Merge remote-tracking branch 'origin/7.0'

Conflicts:
	cmake/QtCreatorIDEBranding.cmake
	qbs/modules/qtc/qtc.qbs
	qtcreator_ide_branding.pri

Change-Id: Ic02df53b880d0861d9d9ea0df3e0d381ae99f350

.github/workflows/build_cmake.yml

@@ -8,12 +8,12 @@ on:
 
 env:
   QT_VERSION: 6.2.3
-  CLANG_VERSION: 130
+  CLANG_VERSION: 140
   ELFUTILS_VERSION: 0.175
   CMAKE_VERSION: 3.21.1
   NINJA_VERSION: 1.10.2
   BUILD_TYPE: Release
-  CCACHE_VERSION: 4.5
+  CCACHE_VERSION: 4.6
   QT_MIRRORS: download.qt.io;mirrors.ocf.berkeley.edu/qt;ftp.fau.de/qtproject;mirror.bit.edu.cn/qtproject
 
 jobs:
@@ -31,12 +31,14 @@ jobs:
             environment_script: "C:/Program Files (x86)/Microsoft Visual Studio/2019/Enterprise/VC/Auxiliary/Build/vcvars64.bat",
             is_msvc: true
           }
-#        - {
-#            name: "Windows Latest MinGW", artifact: "Windows-MinGW",
-#            os: windows-latest,
-#            cc: "gcc", cxx: "g++",
-#            is_msvc: false
-#          }
+        - {
+            name: "Windows Latest MinGW", artifact: "Windows-MinGW",
+            os: windows-latest,
+            toolchain: "https://github.com/cristianadam/mingw-builds/releases/download/v11.2.0-rev1/x86_64-11.2.0-release-posix-seh-rt_v9-rev1.7z",
+            toolchain_path: "mingw64/bin",
+            cc: "gcc", cxx: "g++",
+            is_msvc: false
+          }
         - {
             name: "Ubuntu Latest GCC", artifact: "Linux",
             os: ubuntu-latest,
@@ -111,6 +113,33 @@ jobs:
           )
         endif()
 
+    - name: Install system libs
+      shell: cmake -P {0}
+      run: |
+        if ("${{ runner.os }}" STREQUAL "Linux")
+          execute_process(
+            COMMAND sudo apt update
+          )
+          execute_process(
+            COMMAND sudo apt install libgl1-mesa-dev libvulkan-dev libxcb-xinput-dev libxcb-xinerama0-dev libxkbcommon-dev libxkbcommon-x11-dev
+            RESULT_VARIABLE result
+          )
+          if (NOT result EQUAL 0)
+            message(FATAL_ERROR "Failed to install dependencies")
+          endif()
+        endif()
+
+        if (NOT "x${{ matrix.config.toolchain }}" STREQUAL "x")
+          foreach(retry RANGE 10)
+            file(DOWNLOAD "${{ matrix.config.toolchain }}" ./toolchain.7z SHOW_PROGRESS)
+            file(SIZE ./toolchain.7z fileSize)
+            if (fileSize GREATER 0)
+              break()
+            endif()
+          endforeach()
+          execute_process(COMMAND ${CMAKE_COMMAND} -E tar xvf ./toolchain.7z)
+        endif()
+
     - name: Download Qt
       id: qt
       shell: cmake -P {0}
@@ -121,8 +150,8 @@ jobs:
         if ("${{ runner.os }}" STREQUAL "Windows")
           set(url_os "windows_x86")
           if ("x${{ matrix.config.environment_script }}" STREQUAL "x")
-            set(qt_package_arch_suffix "win64_mingw81")
-            set(qt_dir_prefix "${qt_version}/mingw81_64")
+            set(qt_package_arch_suffix "win64_mingw")
+            set(qt_dir_prefix "${qt_version}/mingw_64")
             set(qt_package_suffix "-Windows-Windows_10_21H2-Mingw-Windows-Windows_10_21H2-X86_64")
           elseif ("${{ matrix.config.environment_script }}" MATCHES "vcvars64.bat")
             set(qt_package_arch_suffix "win64_msvc2019_64")
@@ -218,7 +247,7 @@ jobs:
           if ("x${{ matrix.config.environment_script }}" STREQUAL "x")
             # deploy MinGW
             foreach(file libwinpthread-1.dll libstdc++-6.dll libgcc_s_seh-1.dll)
-              file(INSTALL "C:/ProgramData/chocolatey/lib/mingw/tools/install/mingw64/bin/${file}"
+              file(INSTALL "$ENV{GITHUB_WORKSPACE}/${{ matrix.config.toolchain_path }}/${file}"
                    DESTINATION "qt6/${qt_dir_prefix}/bin"
                    USE_SOURCE_PERMISSIONS)
             endforeach()
@@ -434,22 +463,6 @@ jobs:
           endforeach()
         endforeach()
 
-    - name: Install system libs
-      shell: cmake -P {0}
-      run: |
-        if ("${{ runner.os }}" STREQUAL "Linux")
-          execute_process(
-            COMMAND sudo apt update
-          )
-          execute_process(
-            COMMAND sudo apt install libgl1-mesa-dev libvulkan-dev libxcb-xinput-dev libxcb-xinerama0-dev libxkbcommon-dev libxkbcommon-x11-dev
-            RESULT_VARIABLE result
-          )
-          if (NOT result EQUAL 0)
-            message(FATAL_ERROR "Failed to install dependencies")
-          endif()
-        endif()
-
     - name: Build
       shell: cmake -P {0}
       run: |
@@ -516,6 +529,14 @@ jobs:
           unset(NO_DMG)
         endif()
 
+        if (NOT "x${{ matrix.config.toolchain_path }}" STREQUAL "x")
+          set(path_separator ":")
+          if ("${{ runner.os }}" STREQUAL "Windows")
+            set(path_separator ";")
+          endif()
+          set(ENV{PATH} "$ENV{GITHUB_WORKSPACE}/${{ matrix.config.toolchain_path }}${path_separator}$ENV{PATH}")
+        endif()
+
         execute_process(
           COMMAND python
             -u
@@ -673,10 +694,10 @@ jobs:
             name: "Windows Latest MSVC", artifact: "Windows-MSVC",
             os: ubuntu-latest
           }
-#        - {
-#            name: "Windows Latest MinGW", artifact: "Windows-MinGW",
-#            os: ubuntu-latest
-#          }
+        - {
+            name: "Windows Latest MinGW", artifact: "Windows-MinGW",
+            os: ubuntu-latest
+          }
         - {
             name: "Ubuntu Latest GCC", artifact: "Linux",
             os: ubuntu-latest

dist/installer/mac/disclaim.entitlements

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+        <key>com.apple.security.cs.allow-dyld-environment-variables</key>
+        <true/>
+</dict>
+</plist>

doc/qtcreator/src/conan/creator-projects-conan.qdoc

@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2021 The Qt Company Ltd.
+** Copyright (C) 2022 The Qt Company Ltd.
 ** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of the Qt Creator documentation.
@@ -52,7 +52,7 @@
 
     To use Conan, install it by using the Qt installer or the tools provided by
     your operating system. For example, on Windows, you can use the
-    \c {choco install conan} or \{pip install conan} command.
+    \c {choco install conan} or \c {pip install conan} command.
 
     To enable the experimental Conan plugin, select \uicontrol Help >
     \uicontrol {About Plugins} > \uicontrol Utilities > \uicontrol Conan.

doc/qtcreator/src/editors/creator-code-syntax.qdoc

@@ -97,6 +97,8 @@
     between lines can be useful if there is usually not enough space to
     display annotations next to the text.
 
+    \image qtcreator-options-text-editor-display.png "Text Editor Display options"
+
     If you hide the annotations by deselecting the check box, you can move the
     mouse pointer over an icon to view them.
 

doc/qtcreator/src/editors/creator-editors-options.qdoc

@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2018 The Qt Company Ltd.
+** Copyright (C) 2022 The Qt Company Ltd.
 ** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of the Qt Creator documentation.
@@ -40,12 +40,18 @@
 
     \title Configuring the Editor
 
-    \QC allows you to configure the text editor to suit your specific
-    needs. To configure the editor, select \uicontrol Tools >
-    \uicontrol Options > \uicontrol{Text Editor}.
+    You can configure the text editor to suit your specific needs by selecting
+    \uicontrol Tools > \uicontrol Options > \uicontrol{Text Editor}.
+
+    \image qtcreator-font-colors.png "Text Editor options"
+
+    The settings you specify apply globally to all projects.
+
+    To specify editor behavior for an open project, select \uicontrol Projects >
+    \uicontrol Editor.
+
+    \image qtcreator-editor-settings.png "Editor settings"
 
-    These settings apply to all projects. To specify editor behavior for an open
-    project, select \uicontrol Projects > \uicontrol Editor.
     \if defined(qtcreator)
     For more information, see \l{Specifying Editor Settings}.
     \endif

doc/qtcreator/src/meson/creator-projects-meson-building.qdoc

@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2021 The Qt Company Ltd.
+** Copyright (C) 2022 The Qt Company Ltd.
 ** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of the Qt Creator documentation.
@@ -31,19 +31,22 @@
 
     \image qtcreator-meson-build-settings.png "Meson build settings"
 
-    Settings are grouped by category by Meson. All items are user modifiable
-    except \c backend which is forced to Ninja, \c {buildtype}, \c debug as well
-    as \c optimization to ensure a good compatibility with \QC.
+    Meson builds projects in the directory specified in the
+    \uicontrol {Build directory} field.
 
-    Each setting type has its own editor. To modif any setting, double-click it,
-    either edit the field, or select your choice depending on the control. To
-    apply changes, select \uicontrol {Apply configuration changes}. This will
-    trigger a \c {meson configure} command if there were any configuration
-    changes. If for any reason the build directory configuration is broken,
-    select \uicontrol {Wipe project}. This should fix any build directory.
+    Build settings are grouped by category. You can modify all settings,
+    except \c backend, which is forced to Ninja, \c {buildtype}, \c debug,
+    and \c optimization to ensure compatibility with \QC.
 
-    \note Any modified setting will remain in bold until \uicontrol
-    {Apply configuration changes} is selected.
+    To modify a setting, double-click it. Modified settings are formatted in
+    bold until you select \uicontrol {Apply configuration changes} to apply
+    them. This triggers \c {meson configure}. If problems arise, select
+    \uicontrol {Wipe Project} to fix the build directory configuration.
+
+    Meson supports cross-compiling in addition to native building. \QC
+    generates a native build file for you. To use a custom native file or a
+    cross file instead, specify the file name in \uicontrol Parameters.
+    For example, \c {--cross-file cross_file.txt}.
 
     For more information about using Meson, see \l{Setting Up Meson}.
 
@@ -56,8 +59,7 @@
 
     \image qtcreator-meson-build-steps.png "Meson build steps"
 
-    The build errors and warnings are parsed and displayed in the
-    \uicontrol Issues output pane.
+    The build errors and warnings are parsed and displayed in \l Issues.
 
     \section1 Meson Clean Steps
 

doc/qtcreator/src/meson/creator-projects-meson.qdoc

@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2020 The Qt Company Ltd.
+** Copyright (C) 2022 The Qt Company Ltd.
 ** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of the Qt Creator documentation.
@@ -99,7 +99,6 @@
     The following features are not supported yet:
 
     \list
-        \li Cross compilation.
         \li Showing header files in project tree.
         \li Configuration change detection, for example when building triggers a
         Meson configuration first.

doc/qtcreator/src/projects/creator-only/creator-projects-creating.qdoc

@@ -80,7 +80,7 @@
     In the first step, you select a template for the project. You can filter
     templates (1) to view only those that apply to a particular target platform.
 
-    \image qtcreator-new-qt-quick-project-wizard.png
+    \image qtcreator-new-project.png
 
     Next, you select a location for the project and specify settings for it.
 
@@ -326,7 +326,7 @@
     \uicontrol {New Subproject}. Follow the steps in the
      \uicontrol {New Subproject} wizard to create a subproject.
 
-    \image qtcreator-new-subproject.png
+    \image qtcreator-new-qt-quick-project.png
 
     To add an existing project as a subproject, select
     \uicontrol {Add Existing Projects} in the context menu.

doc/qtcreator/src/projects/creator-only/creator-projects-settings-run-debug.qdocinc

@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2021 The Qt Company Ltd.
+** Copyright (C) 2022 The Qt Company Ltd.
 ** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of the Qt Creator documentation.
@@ -38,6 +38,18 @@
     execute any JavaScript functions. Therefore, you must make sure that the
     port is properly protected by a firewall.
 
+    Optionally, in \uicontrol {Additional startup commands}, you can enter
+    additional settings for debugging C++:
+
+    \list
+        \li \l{Adding Custom Debugging Helpers}{Custom debugging helpers}
+        \li \l{Specifying GDB Settings}{GDB commands} to execute after GDB
+            has started, but before the debugged program is started or
+            attached, and before the debugging helpers are initialized
+    \endlist
+
+    However, you can usually leave this field empty.
+
     For more information about debugging, see \l{Debugging}.
 
 //! [run settings debugger]

doc/qtcreator/src/qtquick/creator-only/qtquick-creating.qdoc

@@ -36,7 +36,7 @@
 
     \title Creating Qt Quick Projects
 
-    \image qmldesigner-new-project.png "New Project dialog"
+    \image qtcreator-new-qt-quick-project.png "New Project dialog"
 
     The following table lists the wizard templates for creating a new
     Qt Quick project from scratch.

doc/qtcreator/src/vcs/creator-vcs-git.qdoc

@@ -299,7 +299,7 @@
     \uicontrol {Include Old Entries} and \uicontrol {Include Tags}.
 
     To add a tag to a change in the change log, select \uicontrol Branches >
-    \uicontrol Log. Select the change, and then select > \uicontrol {Add Tag
+    \uicontrol Log. Select the change, and then select \uicontrol {Add Tag
     for Change} in the context menu.
 
     If you checked out a specific commit, the list of branches displays a

doc/qtdesignstudio/src/qtquick3d-editor/qtdesignstudio-3d-editor.qdoc

@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2021 The Qt Company Ltd.
+** Copyright (C) 2022 The Qt Company Ltd.
 ** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of the Qt Design Studio documentation.
@@ -26,7 +26,7 @@
 /*!
     \previouspage qtquick-form-editor.html
     \page studio-3d-editor.html
-    \nextpage quick-library.html
+    \nextpage quick-components-view.html
 
     \title 3D Editor
 
@@ -64,11 +64,11 @@
     affect only the local transformations of the component or whether they
     transform with respect to the global space.
 
-    Additional helpful features when editing 3D scenes are the \e {edit light},
-    which is a quick way to light the scene, and the grid that helps you to
-    navigate in 3D space. Select the \inlineimage grid_on.png
-    (\uicontrol {Toggle Grid Visibility}) or press \key G to show or hide the
-    grid.
+    Another helpful feature when editing 3D scenes is the \e {edit light},
+    which is a quick way to light the scene.
+
+    Additionally, you can toggle the visibility of the grid, selection boxes,
+    icon gizmos, and camera frustums in the 3D scene.
 
     To refresh the contents of \uicontrol {3D Editor}, press \key P or
     select the \inlineimage icons/reset.png
@@ -97,7 +97,7 @@
         \li To pan, press \key Alt (or \key Option on \macos) and use the
             middle mouse button to click and drag anywhere in the rendered
             view to slide the view around.
-            \note At the moment it is not possible to pan using Magic Mouse.
+            \note It is not possible to pan using Magic Mouse.
         \li To orbit, press \key Alt and click and drag anywhere in the rendered
             view to rotate the view.
         \li To zoom, use the mouse wheel or press \key Alt and right-click
@@ -109,7 +109,7 @@
     select \inlineimage fit_selected.png
     (\uicontrol {Fit Selected}) or press \key F.
 
-    The world axis helper (1) shows the direction of the world axes in view.
+    The world axis helper (1) shows the direction of the world axes in the view.
     To point the camera at the currently selected component in the direction of
     an axis, click the axis. Clicking the dot at the end of the axis will point
     the camera at the opposite direction of the axis. If no component is
@@ -179,6 +179,7 @@
     {keyboard shortcuts} applicable to your operating system, for example,
     \key Ctrl+C and \key Ctrl+V on Windows to copy-paste components.
 
+    \target moving components 3d editor
     \section1 Moving Components
 
     \image studio-3d-editor-move.png "3D Editor in move mode"
@@ -233,6 +234,76 @@
             gray handle at the center of the component.
     \endlist
 
+    \section1 Aligning Views and Cameras
+
+    To align a camera to the \uicontrol {3D Editor} view:
+    \list 1
+      \li Select a camera in \uicontrol {3D Editor} or \uicontrol {Navigator}.
+      \li In \uicontrol {3D Editor},
+      select \inlineimage icons/align-camera-on.png
+      .
+    \endlist
+
+    This moves and rotates the camera so that the camera shows the same view
+    as the current view in \uicontrol {3D Editor}.
+
+    To align the \uicontrol {3D Editor} view to a camera:
+        \list 1
+      \li Select a camera in \uicontrol {3D Editor} or \uicontrol {Navigator}.
+      \li In \uicontrol {3D Editor},
+      select \inlineimage icons/align-view-on.png
+      .
+    \endlist
+
+    This copies the position as well as x and y rotation values from the
+    camera and applies them to \uicontrol {3D Editor}.
+
+    \section1 Toggling Visibility
+
+    To toggle the visibility of objects in \uicontrol {3D Editor}, select
+    \inlineimage icons/visibilityon.png
+    in the toolbar. This opens a menu with the following options:
+
+    \table
+      \row
+        \li Show Grid
+        \li Toggles the visibility of the helper grid.
+      \row
+        \li Show Selection Boxes
+        \li Toggles the visibility of selection boxes for selected 3D objects.
+      \row
+        \li Show Icon Gizmos
+        \li Toggles the visibility of icon gizmos for object such as cameras,
+            lights, and particle systems.
+      \row
+        \li Always Show Camera Frustums
+        \li Toggles between always showing the camera frustum and showing it
+        only for cameras selected in \uicontrol {3D Editor}.
+    \endtable
+
+    \section1 Particle Editor
+
+    The particle editor tools help you preview your particle systems in
+    \uicontrol {3D Editor}. You can select one particle system to preview at a
+    time.
+
+    To preview a particle system in \uicontrol{3D Editor}:
+
+    \list 1
+      \li Select a particle system in \uicontrol Navigator or
+      \uicontrol {3D Editor}.
+      \li In the \uicontrol {3D Editor}, select
+      \inlineimage icons/particle-animation-on.png
+      to activate particle animation. Now you can see the particle animation in
+      \uicontrol{3D Editor}.
+    \endlist
+
+    You can pause the particle animation by selecting
+    \inlineimage icons/particle-animation-on.png
+    . When the animation is paused, you can use
+    \inlineimage icons/particles-seek.png
+    to manually seek forward or backward in the particle animation.
+
     \section1 Summary of the 3D Editor Toolbar Buttons
 
     The \uicontrol {3D Editor} toolbar contains the following buttons:
@@ -254,7 +325,7 @@
             \inlineimage move_on.png
         \li Activate the Move Tool
         \li \key W
-        \li \l{Moving Components}
+        \li \l{moving components 3d editor}{Moving Components}
     \row
         \li \inlineimage rotate_off.png
             \inlineimage rotate_on.png
@@ -291,17 +362,47 @@
         \li \key U
         \li \l{Using Edit Light}
     \row
-        \li \inlineimage grid_off.png
-            \inlineimage grid_on.png
-        \li Toggle Grid Visibility
-        \li \key G
+        \li \inlineimage icons/align-camera-on.png
+        \li Align Selected Cameras to View
         \li
+        \li\l{Aligning Views and Cameras}
+    \row
+        \li \inlineimage icons/align-view-on.png
+        \li Align View to Selected Camera
+        \li
+        \li \l{Aligning Views and Cameras}
+    \row
+        \li \inlineimage icons/visibilityon.png
+        \li Visibility Toggles
+        \li
+        \li \l{Toggling Visibility}
+    \row
+        \li \inlineimage icons/particles-seek.png
+        \li Seek Particle System Time
+        \li
+        \li \l{Particle Editor}
+    \row
+        \li \inlineimage icons/particle-animation-on.png
+            \inlineimage icons/particle-animation-off.png
+        \li Toggle Particle Animation
+        \li \key V
+        \li \l{Particle Editor}
+    \row
+        \li \inlineimage icons/particle-play.png
+            \inlineimage icons/particle-pause.png
+        \li Play/Pause Particles
+        \li \key ,
+        \li \l{Particle Editor}
+    \row
+        \li \inlineimage icons/particle-restart.png
+        \li Restart Particles
+        \li \key /
+        \li \l{Particle Editor}
     \row
         \li \inlineimage icons/reset.png
         \li Reset View
-        \li \key R
+        \li \key P
         \li
     \endtable
 
-
 */

scripts/common.py

@@ -229,6 +229,16 @@ def codesign_call():
         codesign_call.extend(signing_flags.split())
     return codesign_call
 
+def codesign_executable(path):
+    codesign = codesign_call()
+    if not codesign:
+        return
+    entitlements_path = os.path.join(os.path.dirname(os.path.realpath(__file__)), '..', 'dist',
+                                     'installer', 'mac', os.path.basename(path) + '.entitlements')
+    if os.path.exists(entitlements_path):
+        codesign.extend(['--entitlements', entitlements_path])
+    subprocess.check_call(codesign + [path])
+
 def os_walk(path, filter, function):
     for r, _, fs in os.walk(path):
         for f in fs:
@@ -237,20 +247,21 @@ def os_walk(path, filter, function):
                 function(ff)
 
 def conditional_sign_recursive(path, filter):
-    codesign = codesign_call()
-    if is_mac_platform() and codesign:
-        os_walk(path, filter, lambda fp: subprocess.check_call(codesign + [fp]))
+    if is_mac_platform():
+        os_walk(path, filter, lambda fp: codesign_executable(fp))
 
 def codesign(app_path):
+    codesign = codesign_call()
+    if not codesign or not is_mac_platform():
+        return
     # sign all executables in Resources
     conditional_sign_recursive(os.path.join(app_path, 'Contents', 'Resources'),
                                lambda ff: os.access(ff, os.X_OK))
     # sign all libraries in Imports
     conditional_sign_recursive(os.path.join(app_path, 'Contents', 'Imports'),
                                lambda ff: ff.endswith('.dylib'))
-    codesign = codesign_call()
-    if is_mac_platform() and codesign:
+
+    # sign the whole bundle
     entitlements_path = os.path.join(os.path.dirname(os.path.realpath(__file__)), '..', 'dist',
                                      'installer', 'mac', 'entitlements.plist')
-        # sign the whole bundle
     subprocess.check_call(codesign + ['--deep', app_path, '--entitlements', entitlements_path])

share/qtcreator/qml/qmlpuppet/commands/view3dactioncommand.h

@@ -50,6 +50,7 @@ public:
                 ShowSelectionBox,
                 ShowIconGizmo,
                 ShowCameraFrustum,
+                ShowParticleEmitter,
                 Edit3DParticleModeToggle,
                 ParticlesPlay,
                 ParticlesRestart,

share/qtcreator/qml/qmlpuppet/editor3d_qt6.qrc

@@ -35,7 +35,6 @@
         <file>mockfiles/qt6/LightGizmo.qml</file>
         <file>mockfiles/qt6/LightIconGizmo.qml</file>
         <file>mockfiles/qt6/LightModel.qml</file>
-        <file>mockfiles/qt6/ParticleSystemGizmo.qml</file>
         <file>mockfiles/qt6/Line3D.qml</file>
         <file>mockfiles/qt6/MaterialNodeView.qml</file>
         <file>mockfiles/qt6/ModelNode2DImageView.qml</file>
@@ -44,6 +43,8 @@
         <file>mockfiles/qt6/MoveGizmo.qml</file>
         <file>mockfiles/qt6/NodeNodeView.qml</file>
         <file>mockfiles/qt6/Overlay2D.qml</file>
+        <file>mockfiles/qt6/ParticleSystemGizmo.qml</file>
+        <file>mockfiles/qt6/ParticleEmitterGizmo.qml</file>
         <file>mockfiles/qt6/PlanarDraggable.qml</file>
         <file>mockfiles/qt6/PlanarMoveHandle.qml</file>
         <file>mockfiles/qt6/PlanarScaleHandle.qml</file>

share/qtcreator/qml/qmlpuppet/mockfiles/qt5/EditView3D.qml

@@ -385,14 +385,12 @@ Item {
             lightIconGizmos[slotFound].targetNode = obj;
             lightIconGizmos[slotFound].locked = _generalHelper.isLocked(obj);
             lightIconGizmos[slotFound].hidden = _generalHelper.isHidden(obj);
-            _generalHelper.registerGizmoTarget(obj);
             return;
         }
 
         // No free gizmos available, create a new one
         var gizmoComponent = Qt.createComponent("LightIconGizmo.qml");
         if (gizmoComponent.status === Component.Ready) {
-            _generalHelper.registerGizmoTarget(obj);
             var gizmo = gizmoComponent.createObject(overlayView,
                                                     {"view3D": overlayView, "targetNode": obj,
                                                      "selectedNodes": selectedNodes, "scene": scene,
@@ -426,7 +424,6 @@ Item {
             cameraGizmos[slotFound].targetNode = obj;
             cameraGizmos[slotFound].locked = _generalHelper.isLocked(obj);
             cameraGizmos[slotFound].hidden = _generalHelper.isHidden(obj);
-            _generalHelper.registerGizmoTarget(obj);
             return;
         }
 
@@ -434,7 +431,6 @@ Item {
         var gizmoComponent = Qt.createComponent("CameraGizmo.qml");
         var frustumComponent = Qt.createComponent("CameraFrustum.qml");
         if (gizmoComponent.status === Component.Ready && frustumComponent.status === Component.Ready) {
-            _generalHelper.registerGizmoTarget(obj);
             var geometryName = _generalHelper.generateUniqueName("CameraGeometry");
             var frustum = frustumComponent.createObject(
                         overlayScene,
@@ -463,7 +459,6 @@ Item {
             if (lightIconGizmos[i].targetNode === obj) {
                 lightIconGizmos[i].scene = null;
                 lightIconGizmos[i].targetNode = null;
-                _generalHelper.unregisterGizmoTarget(obj);
                 return;
             }
         }
@@ -475,7 +470,6 @@ Item {
             if (cameraGizmos[i].targetNode === obj) {
                 cameraGizmos[i].scene = null;
                 cameraGizmos[i].targetNode = null;
-                _generalHelper.unregisterGizmoTarget(obj);
                 return;
             }
         }

share/qtcreator/qml/qmlpuppet/mockfiles/qt6/EditView3D.qml

@@ -42,6 +42,7 @@ Item {
     property bool showSelectionBox: true
     property bool showIconGizmo: true
     property bool showCameraFrustum: false
+    property bool showParticleEmitter: false
     property bool usePerspective: true
     property bool globalOrientation: false
     property alias contentItem: contentItem
@@ -58,9 +59,10 @@ Item {
     property var lightIconGizmos: []
     property var cameraGizmos: []
     property var particleSystemIconGizmos: []
+    property var particleEmitterGizmos: []
     property var selectionBoxes: []
     property rect viewPortRect: Qt.rect(0, 0, 1000, 1000)
-
+    property Node activeParticleSystem: null
     property bool shuttingDown: false
 
     property real fps: 0
@@ -77,6 +79,7 @@ Item {
     onShowSelectionBoxChanged:    _generalHelper.storeToolState(sceneId, "showSelectionBox", showSelectionBox);
     onShowIconGizmoChanged:       _generalHelper.storeToolState(sceneId, "showIconGizmo", showIconGizmo);
     onShowCameraFrustumChanged:   _generalHelper.storeToolState(sceneId, "showCameraFrustum", showCameraFrustum);
+    onShowParticleEmitterChanged: _generalHelper.storeToolState(sceneId, "showParticleEmitter", showParticleEmitter);
     onSelectionModeChanged:       _generalHelper.storeToolState(sceneId, "selectionMode", selectionMode);
     onTransformModeChanged:       _generalHelper.storeToolState(sceneId, "transformMode", transformMode);
 
@@ -232,6 +235,11 @@ Item {
         else if (resetToDefault)
             showCameraFrustum = false;
 
+        if ("showParticleEmitter" in toolStates)
+            showParticleEmitter = toolStates.showParticleEmitter;
+        else if (resetToDefault)
+            showParticleEmitter = false;
+
         if ("usePerspective" in toolStates)
             usePerspective = toolStates.usePerspective;
         else if (resetToDefault)
@@ -265,6 +273,7 @@ Item {
         _generalHelper.storeToolState(sceneId, "showSelectionBox", showSelectionBox)
         _generalHelper.storeToolState(sceneId, "showIconGizmo", showIconGizmo)
         _generalHelper.storeToolState(sceneId, "showCameraFrustum", showCameraFrustum)
+        _generalHelper.storeToolState(sceneId, "showParticleEmitter", showParticleEmitter)
         _generalHelper.storeToolState(sceneId, "usePerspective", usePerspective)
         _generalHelper.storeToolState(sceneId, "globalOrientation", globalOrientation)
         _generalHelper.storeToolState(sceneId, "selectionMode", selectionMode);
@@ -376,14 +385,12 @@ Item {
             lightIconGizmos[slotFound].targetNode = obj;
             lightIconGizmos[slotFound].locked = _generalHelper.isLocked(obj);
             lightIconGizmos[slotFound].hidden = _generalHelper.isHidden(obj);
-            _generalHelper.registerGizmoTarget(obj);
             return;
         }
 
         // No free gizmos available, create a new one
         var gizmoComponent = Qt.createComponent("LightIconGizmo.qml");
         if (gizmoComponent.status === Component.Ready) {
-            _generalHelper.registerGizmoTarget(obj);
             var gizmo = gizmoComponent.createObject(overlayView,
                                                     {"view3D": overlayView, "targetNode": obj,
                                                      "selectedNodes": selectedNodes, "scene": scene,
@@ -417,7 +424,6 @@ Item {
             cameraGizmos[slotFound].targetNode = obj;
             cameraGizmos[slotFound].locked = _generalHelper.isLocked(obj);
             cameraGizmos[slotFound].hidden = _generalHelper.isHidden(obj);
-            _generalHelper.registerGizmoTarget(obj);
             return;
         }
 
@@ -425,7 +431,6 @@ Item {
         var gizmoComponent = Qt.createComponent("CameraGizmo.qml");
         var frustumComponent = Qt.createComponent("CameraFrustum.qml");
         if (gizmoComponent.status === Component.Ready && frustumComponent.status === Component.Ready) {
-            _generalHelper.registerGizmoTarget(obj);
             var geometryName = _generalHelper.generateUniqueName("CameraGeometry");
             var frustum = frustumComponent.createObject(
                         overlayScene,
@@ -466,26 +471,66 @@ Item {
             particleSystemIconGizmos[slotFound].targetNode = obj;
             particleSystemIconGizmos[slotFound].locked = _generalHelper.isLocked(obj);
             particleSystemIconGizmos[slotFound].hidden = _generalHelper.isHidden(obj);
-            _generalHelper.registerGizmoTarget(obj);
             return;
         }
 
         // No free gizmos available, create a new one
         var gizmoComponent = Qt.createComponent("ParticleSystemGizmo.qml");
         if (gizmoComponent.status === Component.Ready) {
-            _generalHelper.registerGizmoTarget(obj);
             var gizmo = gizmoComponent.createObject(overlayView,
                                                     {"view3D": overlayView, "targetNode": obj,
                                                      "selectedNodes": selectedNodes, "scene": scene,
                                                      "activeScene": activeScene,
                                                      "locked": _generalHelper.isLocked(obj),
                                                      "hidden": _generalHelper.isHidden(obj),
-                                                     "globalShow": showIconGizmo});
+                                                     "globalShow": showIconGizmo,
+                                                     "activeParticleSystem": activeParticleSystem});
             particleSystemIconGizmos[particleSystemIconGizmos.length] = gizmo;
             gizmo.clicked.connect(handleObjectClicked);
             gizmo.selectedNodes = Qt.binding(function() {return selectedNodes;});
             gizmo.activeScene = Qt.binding(function() {return activeScene;});
             gizmo.globalShow = Qt.binding(function() {return showIconGizmo;});
+            gizmo.activeParticleSystem = Qt.binding(function() {return activeParticleSystem;});
+        }
+    }
+
+    function addParticleEmitterGizmo(scene, obj)
+    {
+        // Insert into first available gizmo if we don't already have gizmo for this object
+        var slotFound = -1;
+        for (var i = 0; i < particleEmitterGizmos.length; ++i) {
+            if (!particleEmitterGizmos[i].targetNode) {
+                slotFound = i;
+            } else if (particleEmitterGizmos[i].targetNode === obj) {
+                particleEmitterGizmos[i].scene = scene;
+                return;
+            }
+        }
+
+        if (slotFound !== -1) {
+            particleEmitterGizmos[slotFound].scene = scene;
+            particleEmitterGizmos[slotFound].targetNode = obj;
+            particleEmitterGizmos[slotFound].hidden = _generalHelper.isHidden(obj);
+            particleEmitterGizmos[slotFound].systemHidden = _generalHelper.isHidden(obj.system);
+            return;
+        }
+
+        // No free gizmos available, create a new one
+        var gizmoComponent = Qt.createComponent("ParticleEmitterGizmo.qml");
+        if (gizmoComponent.status === Component.Ready) {
+            var gizmo = gizmoComponent.createObject(
+                        overlayScene,
+                        {"targetNode": obj, "selectedNodes": selectedNodes,
+                         "activeParticleSystem": activeParticleSystem, "scene": scene,
+                         "activeScene": activeScene, "hidden": _generalHelper.isHidden(obj),
+                         "systemHidden": _generalHelper.isHidden(obj.system),
+                         "globalShow": showParticleEmitter});
+
+            particleEmitterGizmos[particleEmitterGizmos.length] = gizmo;
+            gizmo.selectedNodes = Qt.binding(function() {return selectedNodes;});
+            gizmo.activeParticleSystem = Qt.binding(function() {return activeParticleSystem;});
+            gizmo.globalShow = Qt.binding(function() {return showParticleEmitter;});
+            gizmo.activeScene = Qt.binding(function() {return activeScene;});
         }
     }
 
@@ -495,7 +540,6 @@ Item {
             if (lightIconGizmos[i].targetNode === obj) {
                 lightIconGizmos[i].scene = null;
                 lightIconGizmos[i].targetNode = null;
-                _generalHelper.unregisterGizmoTarget(obj);
                 return;
             }
         }
@@ -507,7 +551,6 @@ Item {
             if (cameraGizmos[i].targetNode === obj) {
                 cameraGizmos[i].scene = null;
                 cameraGizmos[i].targetNode = null;
-                _generalHelper.unregisterGizmoTarget(obj);
                 return;
             }
         }
@@ -519,7 +562,17 @@ Item {
             if (particleSystemIconGizmos[i].targetNode === obj) {
                 particleSystemIconGizmos[i].scene = null;
                 particleSystemIconGizmos[i].targetNode = null;
-                _generalHelper.unregisterGizmoTarget(obj);
+                return;
+            }
+        }
+    }
+
+    function releaseParticleEmitterGizmo(obj)
+    {
+        for (var i = 0; i < particleEmitterGizmos.length; ++i) {
+            if (particleEmitterGizmos[i].targetNode === obj) {
+                particleEmitterGizmos[i].scene = null;
+                particleEmitterGizmos[i].targetNode = null;
                 return;
             }
         }
@@ -555,6 +608,16 @@ Item {
         }
     }
 
+    function updateParticleEmitterGizmoScene(scene, obj)
+    {
+        for (var i = 0; i < particleEmitterGizmos.length; ++i) {
+            if (particleEmitterGizmos[i].targetNode === obj) {
+                particleEmitterGizmos[i].scene = scene;
+                return;
+            }
+        }
+    }
+
     Component.onCompleted: {
         createEditView();
         selectObjects([]);
@@ -588,7 +651,6 @@ Item {
                     return;
                 }
             }
-
         }
         function onHiddenStateChanged(node)
         {
@@ -610,6 +672,15 @@ Item {
                     return;
                 }
             }
+            for (var i = 0; i < particleEmitterGizmos.length; ++i) {
+                if (particleEmitterGizmos[i].targetNode === node) {
+                    particleEmitterGizmos[i].hidden = _generalHelper.isHidden(node);
+                    return;
+                } else if (particleEmitterGizmos[i].targetNode && particleEmitterGizmos[i].targetNode.system === node) {
+                    particleEmitterGizmos[i].systemHidden = _generalHelper.isHidden(node);
+                    return;
+                }
+            }
         }
     }
 
@@ -810,9 +881,16 @@ Item {
 
                 onPressed: (mouse)=> {
                     if (viewRoot.editView) {
-                        var pickResult = _generalHelper.pickViewAt(viewRoot.editView, mouse.x, mouse.y);
-                        handleObjectClicked(_generalHelper.resolvePick(pickResult.objectHit),
-                                            mouse.modifiers & Qt.ControlModifier);
+                        // First pick overlay to check for hits there
+                        var pickResult = _generalHelper.pickViewAt(overlayView, mouse.x, mouse.y);
+                        var resolvedResult = _generalHelper.resolvePick(pickResult.objectHit);
+                        if (!resolvedResult) {
+                            // No hits from overlay view, pick the main scene
+                            pickResult = _generalHelper.pickViewAt(viewRoot.editView, mouse.x, mouse.y);
+                            resolvedResult = _generalHelper.resolvePick(pickResult.objectHit);
+                        }
+
+                        handleObjectClicked(resolvedResult, mouse.modifiers & Qt.ControlModifier);
 
                         if (pickResult.objectHit) {
                             if (transformMode === EditView3D.TransformMode.Move)

share/qtcreator/qml/qmlpuppet/mockfiles/qt6/IconGizmo.qml

@@ -47,6 +47,7 @@ Item {
     property bool locked: false
     property bool globalShow: true
     property bool canBeVisible: activeScene === scene && !hidden && (targetNode ? targetNode.visible : false)
+    property real iconOpacity: selected ? 0.2 : 1
 
     property alias iconSource: iconImage.source
 
@@ -76,7 +77,7 @@ Item {
             border.color: "#7777ff"
             border.width: !iconGizmo.locked && iconGizmo.highlightOnHover && iconGizmo.hasMouse ? 2 : 0
             radius: 5
-            opacity: iconGizmo.selected ? 0.2 : 1
+            opacity: iconGizmo.iconOpacity
             Image {
                 id: iconImage
                 fillMode: Image.Pad

share/qtcreator/qml/qmlpuppet/mockfiles/qt6/ParticleEmitterGizmo.qml

@@ -0,0 +1,127 @@
+/****************************************************************************
+**
+** Copyright (C) 2022 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of Qt Creator.
+**
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 as published by the Free Software
+** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
+**
+****************************************************************************/
+
+import QtQuick
+import QtQuick3D
+import QtQuick3D.Particles3D
+
+Node {
+    id: root
+
+    property Node targetNode: null
+    property var selectedNodes: []
+    property Node activeParticleSystem: null
+    property Node scene: null
+    property Node activeScene: null
+    property bool hidden: false
+    property bool systemHidden: false
+    property Node shapeModel: null
+    property bool globalShow: false
+    property bool canBeVisible: activeScene === scene && targetNode && !hidden && !systemHidden
+    property bool partOfActiveSystem: root.targetNode && root.targetNode.system === activeParticleSystem
+
+    opacity: 0.15
+
+    readonly property bool selected: selectedNodes.includes(targetNode)
+
+    visible: canBeVisible && (globalShow || selected)
+
+    position: targetNode ? targetNode.scenePosition : Qt.vector3d(0, 0, 0)
+    rotation: targetNode ? targetNode.sceneRotation : Qt.quaternion(1, 0, 0, 0)
+    scale: targetNode ? targetNode.sceneScale : Qt.vector3d(1, 1, 1)
+
+    function basicShape()
+    {
+        if (targetNode && targetNode.shape && targetNode.shape instanceof ParticleShape3D) {
+            if (targetNode.shape.type === ParticleShape3D.Cube)
+                return "#Cube";
+            else if (targetNode.shape.type === ParticleShape3D.Cylinder)
+                return "#Cylinder";
+        }
+        return "#Sphere";
+    }
+
+    function updateShape()
+    {
+        if (shapeModel)
+            shapeModel.destroy();
+
+        if (!targetNode)
+            return;
+
+        if (targetNode.shape instanceof ParticleModelShape3D) {
+            shapeModel = _generalHelper.createParticleEmitterGizmoModel(targetNode, defaultMaterial);
+            shapeModel.parent = root;
+        }
+    }
+
+    Component.onCompleted: {
+        updateShape();
+    }
+
+    Connections {
+        target: targetNode
+        function onSystemChanged() { systemHidden = _generalHelper.isHidden(system); }
+    }
+
+    Connections {
+        target: targetNode
+        function onShapeChanged() { updateShape(); }
+    }
+
+    Connections {
+        target: targetNode.shape instanceof ParticleModelShape3D ? targetNode.shape
+                                                                 :null
+        function onDelegateChanged() { updateShape(); }
+    }
+
+    Connections {
+        target: targetNode.shape instanceof ParticleModelShape3D ? targetNode.shape.delegate
+                                                                 : null
+        function onSourceChanged() { updateShape(); }
+    }
+
+    Model {
+        readonly property Node _pickTarget: root.targetNode
+        materials: [defaultMaterial]
+        source: basicShape()
+        scale: root.targetNode && root.targetNode.shape && targetNode.shape instanceof ParticleShape3D
+               ? root.targetNode.shape.extents.times(0.02) // default extent is 50
+               : autoScale.getScale(Qt.vector3d(0.1, 0.1, 0.1))
+        visible: !shapeModel
+    }
+
+    AutoScaleHelper {
+        id: autoScale
+        view3D: overlayView
+    }
+
+    DefaultMaterial {
+        id: defaultMaterial
+        diffuseColor: root.selected ? "#FF0000" : partOfActiveSystem ? "#FFFF00" : "#AAAAAA"
+        lighting: DefaultMaterial.NoLighting
+        cullMode: Material.NoCulling
+    }
+}

share/qtcreator/qml/qmlpuppet/mockfiles/qt6/ParticleSystemGizmo.qml

@@ -28,5 +28,9 @@ import QtQuick3D 6.0
 
 IconGizmo {
     id: particleSystemGizmo
+
+    property Node activeParticleSystem: null
+
     iconSource: "qrc:///qtquickplugin/mockfiles/images/editor_particlesystem.png"
+    iconOpacity: selected || activeParticleSystem == targetNode ? 0.2 : 1
 }

share/qtcreator/qml/qmlpuppet/mockfiles/qt6/RotateRing.qml

@@ -54,6 +54,7 @@ Model {
 
     Model {
         id: pickModel
+        readonly property bool _edit3dLocked: true // Make this non-pickable in main picking handling
         objectName: "PickModel for " + rotateRing.objectName
         source: "../meshes/ringselect.mesh"
         pickable: true

share/qtcreator/qml/qmlpuppet/qml2puppet/editor3d/generalhelper.cpp

@@ -46,6 +46,12 @@
 #include <QtQuick/qquickitem.h>
 #include <QtCore/qmath.h>
 
+#ifdef QUICK3D_PARTICLES_MODULE
+#include <QtQuick3DParticles/private/qquick3dparticlemodelshape_p.h>
+#include <QtQuick3DParticles/private/qquick3dparticleemitter_p.h>
+#include <QtQuick3DParticles/private/qquick3dparticletrailemitter_p.h>
+#endif
+
 #include <limits>
 
 namespace QmlDesigner {
@@ -404,22 +410,6 @@ QQuick3DNode *GeneralHelper::resolvePick(QQuick3DNode *pickNode)
     return pickNode;
 }
 
-void GeneralHelper::registerGizmoTarget(QQuick3DNode *node)
-{
-    if (!m_gizmoTargets.contains(node)) {
-        m_gizmoTargets.insert(node);
-        node->installEventFilter(this);
-    }
-}
-
-void GeneralHelper::unregisterGizmoTarget(QQuick3DNode *node)
-{
-    if (m_gizmoTargets.contains(node)) {
-        m_gizmoTargets.remove(node);
-        node->removeEventFilter(this);
-    }
-}
-
 bool GeneralHelper::isLocked(QQuick3DNode *node) const
 {
     if (node) {
@@ -460,6 +450,31 @@ bool GeneralHelper::isPickable(QQuick3DNode *node) const
     return true;
 }
 
+// Emitter gizmo model creation is done in C++ as creating dynamic properties and
+// assigning materials to dynamically created models is lot simpler in C++
+QQuick3DNode *GeneralHelper::createParticleEmitterGizmoModel(QQuick3DNode *emitter,
+                                                             QQuick3DMaterial *material) const
+{
+#ifdef QUICK3D_PARTICLES_MODULE
+    auto e = qobject_cast<QQuick3DParticleEmitter *>(emitter);
+    if (!e || qobject_cast<QQuick3DParticleTrailEmitter *>(e) || !material)
+        return nullptr;
+
+    auto shape = qobject_cast<QQuick3DParticleModelShape *>(e->shape());
+    if (shape && shape->delegate()) {
+        if (auto model = qobject_cast<QQuick3DModel *>(
+                    shape->delegate()->create(shape->delegate()->creationContext()))) {
+            QQmlEngine::setObjectOwnership(model, QQmlEngine::JavaScriptOwnership);
+            model->setProperty("_pickTarget", QVariant::fromValue(emitter));
+            QQmlListReference matRef(model, "materials");
+            matRef.append(material);
+            return model;
+        }
+    }
+#endif
+    return nullptr;
+}
+
 void GeneralHelper::storeToolState(const QString &sceneId, const QString &tool, const QVariant &state,
                                    int delay)
 {
@@ -713,21 +728,6 @@ bool GeneralHelper::isRotationBlocked(QQuick3DNode *node) const
     return m_rotationBlockedNodes.contains(node);
 }
 
-bool GeneralHelper::eventFilter(QObject *obj, QEvent *event)
-{
-    if (event->type() == QEvent::DynamicPropertyChange) {
-        auto node = qobject_cast<QQuick3DNode *>(obj);
-        if (m_gizmoTargets.contains(node)) {
-            auto de = static_cast<QDynamicPropertyChangeEvent *>(event);
-            if (de->propertyName() == "_edit3dLocked")
-                emit lockedStateChanged(node);
-            else if (de->propertyName() == "_edit3dHidden")
-                emit hiddenStateChanged(node);
-        }
-    }
-    return QObject::eventFilter(obj, event);
-}
-
 void GeneralHelper::handlePendingToolStateUpdate()
 {
     m_toolStateUpdateTimer.stop();

share/qtcreator/qml/qmlpuppet/qml2puppet/editor3d/generalhelper.h

@@ -41,6 +41,7 @@ QT_BEGIN_NAMESPACE
 class QQuick3DCamera;
 class QQuick3DNode;
 class QQuick3DViewport;
+class QQuick3DMaterial;
 class QQuickItem;
 QT_END_NAMESPACE
 
@@ -84,11 +85,11 @@ public:
     Q_INVOKABLE QQuick3DPickResult pickViewAt(QQuick3DViewport *view, float posX, float posY);
     Q_INVOKABLE QQuick3DNode *resolvePick(QQuick3DNode *pickNode);
 
-    Q_INVOKABLE void registerGizmoTarget(QQuick3DNode *node);
-    Q_INVOKABLE void unregisterGizmoTarget(QQuick3DNode *node);
     Q_INVOKABLE bool isLocked(QQuick3DNode *node) const;
     Q_INVOKABLE bool isHidden(QQuick3DNode *node) const;
     Q_INVOKABLE bool isPickable(QQuick3DNode *node) const;
+    Q_INVOKABLE QQuick3DNode *createParticleEmitterGizmoModel(QQuick3DNode *emitter,
+                                                              QQuick3DMaterial *material) const;
 
     Q_INVOKABLE void storeToolState(const QString &sceneId, const QString &tool,
                                     const QVariant &state, int delayEmit = 0);
@@ -123,9 +124,6 @@ signals:
     void lockedStateChanged(QQuick3DNode *node);
     void rotationBlocksChanged();
 
-protected:
-    bool eventFilter(QObject *obj, QEvent *event) final;
-
 private:
     void handlePendingToolStateUpdate();
     QVector3D pivotScenePosition(QQuick3DNode *node) const;
@@ -136,7 +134,6 @@ private:
     QTimer m_toolStateUpdateTimer;
     QHash<QString, QVariantMap> m_toolStates;
     QHash<QString, QVariantMap> m_toolStatesPending;
-    QSet<QQuick3DNode *> m_gizmoTargets;
     QSet<QQuick3DNode *> m_rotationBlockedNodes;
 
     struct MultiSelData {

share/qtcreator/qml/qmlpuppet/qml2puppet/instances/qt5informationnodeinstanceserver.cpp

@@ -113,6 +113,7 @@
 #include <QtQuick3DParticles/private/qquick3dparticle_p.h>
 #include <QtQuick3DParticles/private/qquick3dparticleaffector_p.h>
 #include <QtQuick3DParticles/private/qquick3dparticleemitter_p.h>
+#include <QtQuick3DParticles/private/qquick3dparticletrailemitter_p.h>
 #endif
 
 #ifdef IMPORT_QUICK3D_ASSETS
@@ -427,16 +428,25 @@ void Qt5InformationNodeInstanceServer::resetParticleSystem()
 
 void Qt5InformationNodeInstanceServer::handleParticleSystemSelected(QQuick3DParticleSystem* targetParticleSystem)
 {
-    if (!m_particleAnimationDriver || targetParticleSystem == m_targetParticleSystem)
+    if (targetParticleSystem == m_targetParticleSystem)
         return;
 
-    m_particleAnimationDriver->reset();
     // stop the previously selected from animating
     resetParticleSystem();
 
     m_targetParticleSystem = targetParticleSystem;
 
+    if (m_editView3DData.rootItem) {
+        QQmlProperty systemProperty(m_editView3DData.rootItem, "activeParticleSystem", context());
+        systemProperty.write(objectToVariant(m_targetParticleSystem));
+    }
+
+    if (!m_particleAnimationDriver)
+        return;
+
+    // Ensure clean slate for newly selected system
     resetParticleSystem();
+
 #if QT_VERSION >= QT_VERSION_CHECK(6, 2, 2)
     QObject::disconnect(m_particleAnimationConnection);
     m_particleAnimationConnection = connect(m_particleAnimationDriver, &AnimationDriver::advanced, [this] () {
@@ -507,9 +517,17 @@ static QQuick3DParticleSystem *parentParticleSystem(QObject *selectedObject)
     return nullptr;
 }
 
-void Qt5InformationNodeInstanceServer::handleParticleSystemDeselected(QObject *selectedObject)
+void Qt5InformationNodeInstanceServer::handleParticleSystemDeselected()
 {
+    resetParticleSystem();
+
     m_targetParticleSystem = nullptr;
+
+    if (m_editView3DData.rootItem) {
+        QQmlProperty systemProperty(m_editView3DData.rootItem, "activeParticleSystem", context());
+        systemProperty.write(objectToVariant(nullptr));
+    }
+
     const auto anim = animations();
     int i = 0;
     for (auto a : anim) {
@@ -526,7 +544,7 @@ void Qt5InformationNodeInstanceServer::handleParticleSystemDeselected(QObject *s
 void Qt5InformationNodeInstanceServer::handleSelectionChanged(const QVariant &objs)
 {
 #ifdef QUICK3D_PARTICLES_MODULE
-    resetParticleSystem();
+    bool skipSystemDeselect = m_targetParticleSystem == nullptr;
 #endif
     QList<ServerNodeInstance> instanceList;
     const QVariantList varObjs = objs.value<QVariantList>();
@@ -535,8 +553,20 @@ void Qt5InformationNodeInstanceServer::handleSelectionChanged(const QVariant &ob
         if (obj) {
             ServerNodeInstance instance = instanceForObject(obj);
             instanceList << instance;
+#ifdef QUICK3D_PARTICLES_MODULE
+            if (!skipSystemDeselect) {
+                auto particleSystem = parentParticleSystem(instance.internalObject());
+                skipSystemDeselect = particleSystem == m_targetParticleSystem;
+            }
+#endif
         }
     }
+
+#ifdef QUICK3D_PARTICLES_MODULE
+    if (m_targetParticleSystem && !skipSystemDeselect)
+        handleParticleSystemDeselected();
+#endif
+
     selectInstances(instanceList);
     // Hold selection changes reflected back from designer for a bit
     m_selectionChangeTimer.start(500);
@@ -745,6 +775,10 @@ void Qt5InformationNodeInstanceServer::handleNode3DDestroyed(QObject *obj)
     } else if (qobject_cast<QQuick3DParticleSystem *>(obj)) {
         QMetaObject::invokeMethod(m_editView3DData.rootItem, "releaseParticleSystemGizmo",
                                   Q_ARG(QVariant, objectToVariant(obj)));
+    } else if (qobject_cast<QQuick3DParticleEmitter *>(obj)
+               && !qobject_cast<QQuick3DParticleTrailEmitter *>(obj)) {
+        QMetaObject::invokeMethod(m_editView3DData.rootItem, "releaseParticleEmitterGizmo",
+                                  Q_ARG(QVariant, objectToVariant(obj)));
 #endif
     }
     removeNode3D(obj);
@@ -853,6 +887,11 @@ void Qt5InformationNodeInstanceServer::resolveSceneRoots()
                 QMetaObject::invokeMethod(m_editView3DData.rootItem, "updateParticleSystemGizmoScene",
                                           Q_ARG(QVariant, objectToVariant(newRoot)),
                                           Q_ARG(QVariant, objectToVariant(node)));
+            } else if (qobject_cast<QQuick3DParticleEmitter *>(node)
+                       && !qobject_cast<QQuick3DParticleTrailEmitter *>(node)) {
+                QMetaObject::invokeMethod(m_editView3DData.rootItem, "updateParticleEmitterGizmoScene",
+                                          Q_ARG(QVariant, objectToVariant(newRoot)),
+                                          Q_ARG(QVariant, objectToVariant(node)));
 #endif
             }
         }
@@ -1415,15 +1454,19 @@ void Qt5InformationNodeInstanceServer::createCameraAndLightGizmos(
     QHash<QObject *, QObjectList> cameras;
     QHash<QObject *, QObjectList> lights;
     QHash<QObject *, QObjectList> particleSystems;
+    QHash<QObject *, QObjectList> particleEmitters;
 
     for (const ServerNodeInstance &instance : instanceList) {
-        if (instance.isSubclassOf("QQuick3DCamera"))
+        if (instance.isSubclassOf("QQuick3DCamera")) {
             cameras[find3DSceneRoot(instance)] << instance.internalObject();
-        else if (instance.isSubclassOf("QQuick3DAbstractLight"))
+        } else if (instance.isSubclassOf("QQuick3DAbstractLight")) {
             lights[find3DSceneRoot(instance)] << instance.internalObject();
-        else if (instance.isSubclassOf("QQuick3DParticleSystem"))
+        } else if (instance.isSubclassOf("QQuick3DParticleSystem")) {
             particleSystems[find3DSceneRoot(instance)] << instance.internalObject();
-
+        } else if (instance.isSubclassOf("QQuick3DParticleEmitter")
+                   && !instance.isSubclassOf("QQuick3DParticleTrailEmitter")) {
+            particleEmitters[find3DSceneRoot(instance)] << instance.internalObject();
+        }
     }
 
     auto cameraIt = cameras.constBegin();
@@ -1456,6 +1499,17 @@ void Qt5InformationNodeInstanceServer::createCameraAndLightGizmos(
         }
         ++particleIt;
     }
+
+    auto emitterIt = particleEmitters.constBegin();
+    while (emitterIt != particleEmitters.constEnd()) {
+        const auto emitterObjs = emitterIt.value();
+        for (auto &obj : emitterObjs) {
+            QMetaObject::invokeMethod(m_editView3DData.rootItem, "addParticleEmitterGizmo",
+                                      Q_ARG(QVariant, objectToVariant(emitterIt.key())),
+                                      Q_ARG(QVariant, objectToVariant(obj)));
+        }
+        ++emitterIt;
+    }
 }
 
 void Qt5InformationNodeInstanceServer::add3DViewPorts(const QList<ServerNodeInstance> &instanceList)
@@ -1924,6 +1978,9 @@ void Qt5InformationNodeInstanceServer::changeSelection(const ChangeSelectionComm
     QVariantList selectedObjs;
     QObject *firstSceneRoot = nullptr;
     ServerNodeInstance firstInstance;
+#ifdef QUICK3D_PARTICLES_MODULE
+    QList<QQuick3DParticleSystem *> selectedParticleSystems;
+#endif
     for (qint32 id : instanceIds) {
         if (hasInstanceForId(id)) {
             ServerNodeInstance instance = instanceForId(id);
@@ -1937,17 +1994,12 @@ void Qt5InformationNodeInstanceServer::changeSelection(const ChangeSelectionComm
                 object = instance.internalObject();
 
 #ifdef QUICK3D_PARTICLES_MODULE
-            auto particlesystem = qobject_cast<QQuick3DParticleSystem *>(instance.internalObject());
-            if (particlesystem) {
-                handleParticleSystemSelected(particlesystem);
-            } else {
-                particlesystem = parentParticleSystem(instance.internalObject());
-                if (particlesystem) {
-                    if (particlesystem != m_targetParticleSystem)
-                        handleParticleSystemSelected(particlesystem);
-                } else {
-                    handleParticleSystemDeselected(instance.internalObject());
-                }
+            if (selectedParticleSystems.size() <= 1) {
+                auto particleSystem = qobject_cast<QQuick3DParticleSystem *>(instance.internalObject());
+                if (!particleSystem)
+                    particleSystem = parentParticleSystem(instance.internalObject());
+                if (particleSystem && !selectedParticleSystems.contains(particleSystem))
+                    selectedParticleSystems.append(particleSystem);
             }
 #endif
             auto isSelectableAsRoot = [&]() -> bool {
@@ -1957,6 +2009,8 @@ void Qt5InformationNodeInstanceServer::changeSelection(const ChangeSelectionComm
                     || qobject_cast<QQuick3DAbstractLight *>(object)
 #ifdef QUICK3D_PARTICLES_MODULE
                     || qobject_cast<QQuick3DParticleSystem *>(object)
+                    || qobject_cast<QQuick3DParticleEmitter *>(object)
+
 #endif
                 ) {
                     return true;
@@ -1978,6 +2032,14 @@ void Qt5InformationNodeInstanceServer::changeSelection(const ChangeSelectionComm
         }
     }
 
+#ifdef QUICK3D_PARTICLES_MODULE
+    // We only support exactly one active particle systems at a time
+    if (selectedParticleSystems.size() == 1)
+        handleParticleSystemSelected(selectedParticleSystems[0]);
+    else
+        handleParticleSystemDeselected();
+#endif
+
     if (firstSceneRoot && m_active3DScene != firstSceneRoot) {
         m_active3DScene = firstSceneRoot;
         m_active3DView = findView3DForInstance(firstInstance);
@@ -2105,6 +2167,9 @@ void Qt5InformationNodeInstanceServer::view3DAction(const View3DActionCommand &c
         updatedState.insert("showCameraFrustum", command.isEnabled());
         break;
 #ifdef QUICK3D_PARTICLES_MODULE
+    case View3DActionCommand::ShowParticleEmitter:
+        updatedState.insert("showParticleEmitter", command.isEnabled());
+        break;
     case View3DActionCommand::ParticlesPlay:
         m_particleAnimationPlaying = command.isEnabled();
         updatedState.insert("particlePlay", command.isEnabled());
@@ -2220,8 +2285,12 @@ void Qt5InformationNodeInstanceServer::handleInstanceLocked(const ServerNodeInst
 
     QObject *obj = instance.internalObject();
     auto node = qobject_cast<QQuick3DNode *>(obj);
-    if (node)
+    if (node) {
         node->setProperty("_edit3dLocked", edit3dLocked);
+        auto helper = qobject_cast<QmlDesigner::Internal::GeneralHelper *>(m_3dHelper);
+        if (helper)
+            emit helper->lockedStateChanged(node);
+    }
     const auto children = obj->children();
     for (auto child : children) {
         if (hasInstanceForObject(child)) {
@@ -2276,6 +2345,9 @@ void Qt5InformationNodeInstanceServer::handleInstanceHidden(const ServerNodeInst
         // as changes in the node tree (reparenting, adding new nodes) can make the previously set
         // hide status based on ancestor unreliable.
         node->setProperty("_edit3dHidden", edit3dHidden);
+        auto helper = qobject_cast<QmlDesigner::Internal::GeneralHelper *>(m_3dHelper);
+        if (helper)
+            emit helper->hiddenStateChanged(node);
 #if QT_VERSION < QT_VERSION_CHECK(6, 2, 1)
         if (auto model = qobject_cast<QQuick3DModel *>(node))
             model->setPickable(!edit3dHidden); // allow 3D objects to receive mouse clicks

share/qtcreator/qml/qmlpuppet/qml2puppet/instances/qt5informationnodeinstanceserver.h

@@ -151,7 +151,7 @@ private:
 #ifdef QUICK3D_PARTICLES_MODULE
     void handleParticleSystemSelected(QQuick3DParticleSystem* targetParticleSystem);
     void resetParticleSystem();
-    void handleParticleSystemDeselected(QObject *selectedObject);
+    void handleParticleSystemDeselected();
 #endif
 
     RenderViewData m_editView3DData;

share/qtcreator/qml/qmlpuppet/qml2puppet/instances/qt5previewnodeinstanceserver.h

@@ -49,7 +49,7 @@ protected:
 
 private:
     ServerNodeInstance m_currentState;
-    QSize m_previewSize{160, 160};
+    QSize m_previewSize{320, 320};
 };
 
 } // namespace QmlDesigner

share/qtcreator/qmldesigner/itemLibraryQmlSources/Assets.qml

@@ -32,45 +32,67 @@ import StudioControls 1.0 as StudioControls
 import StudioTheme 1.0 as StudioTheme
 
 Item {
-    id: rootItem
+    id: root
 
     property var selectedAssets: ({})
     property int allExpandedState: 0
     property string contextFilePath: ""
     property var contextDir: undefined
     property bool isDirContextMenu: false
+    property var dropExtFiles: [] // array of supported externally dropped files
 
     function clearSearchFilter()
     {
         searchBox.text = "";
     }
 
-    DropArea {
-        id: dropArea
-
-        property var files // list of supported dropped files
-
-        enabled: true
-        anchors.fill: parent
-
-        onEntered: (drag)=> {
-            files = []
-            for (var i = 0; i < drag.urls.length; ++i) {
-                var url = drag.urls[i].toString();
+    function updateDropExtFiles(drag)
+    {
+        root.dropExtFiles = []
+        for (const u of drag.urls) {
+            var url = u.toString();
             if (url.startsWith("file:///")) // remove file scheme (happens on Windows)
                 url = url.substr(8)
+
             var ext = url.slice(url.lastIndexOf('.') + 1).toLowerCase()
             if (rootView.supportedDropSuffixes().includes('*.' + ext))
-                    files.push(url)
+                root.dropExtFiles.push(url)
         }
 
-            if (files.length === 0)
-                drag.accepted = false;
+        drag.accepted = root.dropExtFiles.length > 0
+    }
+
+    DropArea { // handles external drop on empty area of the view (goes to root folder)
+        id: dropArea
+        y: assetsView.y + assetsView.contentHeight + 5
+        width: parent.width
+        height: parent.height - y
+
+        onEntered: (drag)=> {
+            root.updateDropExtFiles(drag)
         }
 
         onDropped: {
-            if (files.length > 0)
-                rootView.handleFilesDrop(files)
+            rootView.handleExtFilesDrop(root.dropExtFiles, assetsModel.rootDir().dirPath)
+        }
+
+        Canvas { // marker for the drop area
+            id: dropCanvas
+            anchors.fill: parent
+            visible: dropArea.containsDrag
+
+            onWidthChanged: dropCanvas.requestPaint()
+            onHeightChanged: dropCanvas.requestPaint()
+
+            onPaint: {
+                var ctx = getContext("2d")
+                ctx.reset()
+                ctx.strokeStyle = StudioTheme.Values.themeInteraction
+                ctx.lineWidth = 2
+                ctx.setLineDash([4, 4])
+                ctx.rect(5, 5, dropCanvas.width - 10, dropCanvas.height - 10)
+                ctx.stroke()
+            }
         }
     }
 
@@ -79,9 +101,9 @@ Item {
         acceptedButtons: Qt.RightButton
         onClicked: {
             if (!assetsModel.isEmpty) {
-                contextFilePath = ""
-                contextDir = assetsModel.rootDir()
-                isDirContextMenu = false
+                root.contextFilePath = ""
+                root.contextDir = assetsModel.rootDir()
+                root.isDirContextMenu = false
                 contextMenu.popup()
             }
         }
@@ -91,8 +113,8 @@ Item {
     function handleViewFocusOut()
     {
         contextMenu.close()
-        selectedAssets = {}
-        selectedAssetsChanged()
+        root.selectedAssets = {}
+        root.selectedAssetsChanged()
     }
 
     StudioControls.Menu {
@@ -100,42 +122,50 @@ Item {
 
         closePolicy: Popup.CloseOnPressOutside | Popup.CloseOnEscape
 
+        onOpened: {
+            var numSelected = Object.values(root.selectedAssets).filter(p => p).length
+            deleteFileItem.text = numSelected > 1 ? qsTr("Delete Files") : qsTr("Delete File")
+        }
+
         StudioControls.MenuItem {
             text: qsTr("Expand All")
-            enabled: allExpandedState !== 1
-            visible: isDirContextMenu
+            enabled: root.allExpandedState !== 1
+            visible: root.isDirContextMenu
             height: visible ? implicitHeight : 0
             onTriggered: assetsModel.toggleExpandAll(true)
         }
 
         StudioControls.MenuItem {
             text: qsTr("Collapse All")
-            enabled: allExpandedState !== 2
-            visible: isDirContextMenu
+            enabled: root.allExpandedState !== 2
+            visible: root.isDirContextMenu
             height: visible ? implicitHeight : 0
             onTriggered: assetsModel.toggleExpandAll(false)
         }
 
         StudioControls.MenuSeparator {
-            visible: isDirContextMenu
+            visible: root.isDirContextMenu
             height: visible ? StudioTheme.Values.border : 0
         }
 
         StudioControls.MenuItem {
+            id: deleteFileItem
             text: qsTr("Delete File")
-            visible: contextFilePath
-            height: visible ? implicitHeight : 0
-            onTriggered: assetsModel.deleteFile(contextFilePath)
+            visible: root.contextFilePath
+            height: deleteFileItem.visible ? deleteFileItem.implicitHeight : 0
+            onTriggered: {
+                assetsModel.deleteFiles(Object.keys(root.selectedAssets).filter(p => root.selectedAssets[p]))
+            }
         }
 
         StudioControls.MenuSeparator {
-            visible: contextFilePath
+            visible: root.contextFilePath
             height: visible ? StudioTheme.Values.border : 0
         }
 
         StudioControls.MenuItem {
             text: qsTr("Rename Folder")
-            visible: isDirContextMenu
+            visible: root.isDirContextMenu
             height: visible ? implicitHeight : 0
             onTriggered: renameFolderDialog.open()
         }
@@ -147,14 +177,14 @@ Item {
 
         StudioControls.MenuItem {
             text: qsTr("Delete Folder")
-            visible: isDirContextMenu
+            visible: root.isDirContextMenu
             height: visible ? implicitHeight : 0
             onTriggered: {
-                var dirEmpty = !(contextDir.dirsModel && contextDir.dirsModel.rowCount() > 0)
-                            && !(contextDir.filesModel && contextDir.filesModel.rowCount() > 0);
+                var dirEmpty = !(root.contextDir.dirsModel && root.contextDir.dirsModel.rowCount() > 0)
+                            && !(root.contextDir.filesModel && root.contextDir.filesModel.rowCount() > 0);
 
                 if (dirEmpty)
-                    assetsModel.deleteFolder(contextDir.dirPath)
+                    assetsModel.deleteFolder(root.contextDir.dirPath)
                 else
                     confirmDeleteFolderDialog.open()
             }
@@ -235,7 +265,7 @@ Item {
                     text: qsTr("Rename")
                     enabled: folderRename.text !== ""
                     onClicked: {
-                        var success = assetsModel.renameFolder(contextDir.dirPath, folderRename.text)
+                        var success = assetsModel.renameFolder(root.contextDir.dirPath, folderRename.text)
                         if (success)
                             renameFolderDialog.accept()
 
@@ -251,7 +281,7 @@ Item {
         }
 
         onOpened: {
-            folderRename.text = contextDir.dirName
+            folderRename.text = root.contextDir.dirName
             folderRename.selectAll()
             folderRename.forceActiveFocus()
             renameFolderDialog.renameError = false
@@ -309,7 +339,7 @@ Item {
                     text: qsTr("Create")
                     enabled: folderName.text !== ""
                     onClicked: {
-                        assetsModel.addNewFolder(contextDir.dirPath + '/' + folderName.text)
+                        assetsModel.addNewFolder(root.contextDir.dirPath + '/' + folderName.text)
                         newFolderDialog.accept()
                     }
                 }
@@ -345,7 +375,7 @@ Item {
                 id: folderNotEmpty
 
                 text: qsTr("Folder \"%1\" is not empty. Delete it anyway?")
-                            .arg(contextDir ? contextDir.dirName : "")
+                            .arg(root.contextDir ? root.contextDir.dirName : "")
                 color: StudioTheme.Values.themeTextColor
                 wrapMode: Text.WordWrap
                 width: confirmDeleteFolderDialog.width
@@ -373,7 +403,7 @@ Item {
                     text: qsTr("Delete")
 
                     onClicked: {
-                        assetsModel.deleteFolder(contextDir.dirPath)
+                        assetsModel.deleteFolder(root.contextDir.dirPath)
                         confirmDeleteFolderDialog.accept()
                     }
                 }
@@ -433,7 +463,7 @@ Item {
 
                 spacing: 20
                 x: 20
-                width: rootItem.width - 2 * x
+                width: root.width - 2 * x
                 anchors.verticalCenter: parent.verticalCenter
 
                 Text {
@@ -492,6 +522,8 @@ Item {
                     id: dirSection
 
                     Section {
+                        id: section
+
                         width: assetsView.width -
                                (assetsView.verticalScrollBarVisible ? assetsView.verticalThickness : 0) - 5
                         caption: dirName
@@ -506,16 +538,31 @@ Item {
                         visible: dirVisible
                         expandOnClick: false
                         useDefaulContextMenu: false
+                        dropEnabled: true
 
                         onToggleExpand: {
                             dirExpanded = !dirExpanded
                         }
 
+                        onDropEnter: (drag)=> {
+                            root.updateDropExtFiles(drag)
+                            section.highlight = drag.accepted
+                        }
+
+                        onDropExit: {
+                            section.highlight = false
+                        }
+
+                        onDrop: {
+                            section.highlight = false
+                            rootView.handleExtFilesDrop(root.dropExtFiles, dirPath)
+                        }
+
                         onShowContextMenu: {
-                            contextFilePath = ""
-                            contextDir = model
-                            isDirContextMenu = true
-                            allExpandedState = assetsModel.getAllExpandedState()
+                            root.contextFilePath = ""
+                            root.contextDir = model
+                            root.isDirContextMenu = true
+                            root.allExpandedState = assetsModel.getAllExpandedState()
                             contextMenu.popup()
                         }
 
@@ -544,9 +591,9 @@ Item {
                                     anchors.fill: parent
                                     acceptedButtons: Qt.RightButton
                                     onClicked: {
-                                        contextFilePath = ""
-                                        contextDir = model
-                                        isDirContextMenu = true
+                                        root.contextFilePath = ""
+                                        root.contextDir = model
+                                        root.isDirContextMenu = true
                                         contextMenu.popup()
                                     }
                                 }
@@ -562,7 +609,8 @@ Item {
                         width: assetsView.width -
                                (assetsView.verticalScrollBarVisible ? assetsView.verticalThickness : 0)
                         height: img.height
-                        color: selectedAssets[filePath] ? StudioTheme.Values.themeInteraction
+                        color: root.selectedAssets[filePath]
+                                            ? StudioTheme.Values.themeInteraction
                                             : (mouseArea.containsMouse ? StudioTheme.Values.themeSectionHeadBackground
                                                                        : "transparent")
 
@@ -601,28 +649,31 @@ Item {
                             onPositionChanged: tooltipBackend.reposition()
                             onPressed: (mouse)=> {
                                 forceActiveFocus()
-                                if (mouse.button === Qt.LeftButton) {
                                 var ctrlDown = mouse.modifiers & Qt.ControlModifier
-                                    if (!selectedAssets[filePath] && !ctrlDown)
-                                        selectedAssets = {}
-                                    currFileSelected = ctrlDown ? !selectedAssets[filePath] : true
-                                    selectedAssets[filePath] = currFileSelected
-                                    selectedAssetsChanged()
+                                if (mouse.button === Qt.LeftButton) {
+                                    if (!root.selectedAssets[filePath] && !ctrlDown)
+                                        root.selectedAssets = {}
+                                    currFileSelected = ctrlDown ? !root.selectedAssets[filePath] : true
+                                    root.selectedAssets[filePath] = currFileSelected
+                                    root.selectedAssetsChanged()
 
-                                    var selectedAssetsArr = []
-                                    for (var assetPath in selectedAssets) {
-                                        if (selectedAssets[assetPath])
-                                            selectedAssetsArr.push(assetPath)
+                                    if (currFileSelected) {
+                                        rootView.startDragAsset(
+                                                   Object.keys(root.selectedAssets).filter(p => root.selectedAssets[p]),
+                                                   mapToGlobal(mouse.x, mouse.y))
                                     }
-
-                                    if (currFileSelected)
-                                        rootView.startDragAsset(selectedAssetsArr, mapToGlobal(mouse.x, mouse.y))
                                 } else {
-                                    contextFilePath = filePath
-                                    contextDir = model.fileDir
+                                    if (!root.selectedAssets[filePath] && !ctrlDown)
+                                        root.selectedAssets = {}
+                                    currFileSelected = root.selectedAssets[filePath] || !ctrlDown
+                                    root.selectedAssets[filePath] = currFileSelected
+                                    root.selectedAssetsChanged()
+
+                                    root.contextFilePath = filePath
+                                    root.contextDir = model.fileDir
+                                    root.isDirContextMenu = false
 
                                     tooltipBackend.hideTooltip()
-                                    isDirContextMenu = false
                                     contextMenu.popup()
                                 }
                             }
@@ -630,9 +681,9 @@ Item {
                             onReleased: (mouse)=> {
                                 if (mouse.button === Qt.LeftButton) {
                                     if (!(mouse.modifiers & Qt.ControlModifier))
-                                        selectedAssets = {}
-                                    selectedAssets[filePath] = currFileSelected
-                                    selectedAssetsChanged()
+                                        root.selectedAssets = {}
+                                    root.selectedAssets[filePath] = currFileSelected
+                                    root.selectedAssetsChanged()
                                 }
                             }
 

share/qtcreator/qmldesigner/newprojectdialog/NewProjectDialog.qml

@@ -32,6 +32,7 @@ import StudioTheme as StudioTheme
 import StudioControls as SC
 
 import NewProjectDialog
+import BackendApi
 
 Item {
     id: rootDialog
@@ -161,17 +162,43 @@ Item {
                                 readonly property int animDur: 500
                                 id: tabBar
                                 x: 10                       // left padding
-                                width: parent.width - 64    // right padding
-                                height: DialogValues.projectViewHeaderHeight
+                                width: parent.width - 20    // right padding
+                                height: DialogValues.presetViewHeaderHeight
                                 color: DialogValues.lightPaneColor
 
+                                function selectTab(tabIndex, selectLast = false) {
+                                    var item = repeater.itemAt(tabIndex)
+                                    tabBarRow.currIndex = tabIndex
+
+                                    presetView.selectLast = selectLast
+                                    BackendApi.presetModel.setPage(tabIndex) // NOTE: it resets preset model
+                                }
+
+                                Connections {
+                                    target: BackendApi
+
+                                    function onUserPresetSaved() {
+                                        var customTabIndex = repeater.count - 1
+                                        tabBar.selectTab(customTabIndex, true)
+                                    }
+
+                                    function onLastUserPresetRemoved() {
+                                        tabBar.selectTab(0, false)
+                                    }
+                                }
+
                                 Row {
                                     id: tabBarRow
                                     spacing: 20
                                     property int currIndex: 0
+                                    readonly property string currentTabName:
+                                        repeater.count > 0 && repeater.itemAt(currIndex)
+                                        ? repeater.itemAt(currIndex).text
+                                        : ''
 
                                     Repeater {
-                                        model: categoryModel
+                                        id: repeater
+                                        model: BackendApi.categoryModel
                                         Text {
                                             text: name
                                             font.weight: Font.DemiBold
@@ -184,13 +211,7 @@ Item {
                                             MouseArea {
                                                 anchors.fill: parent
                                                 onClicked: {
-                                                    tabBarRow.currIndex = index
-                                                    presetModel.setPage(index)
-                                                    projectView.currentIndex = 0
-                                                    projectView.currentIndexChanged()
-
-                                                    strip.x = parent.x
-                                                    strip.width = parent.width
+                                                    tabBar.selectTab(index)
                                                 }
                                             }
 
@@ -199,8 +220,19 @@ Item {
                                 } // tabBarRow
 
                                 Rectangle {
+                                    function computeX() {
+                                        var item = tabBarRow.children[tabBarRow.currIndex] ?? tabBarRow.children[0]
+                                        return item.x;
+                                    }
+
+                                    function computeWidth() {
+                                        var item = tabBarRow.children[tabBarRow.currIndex] ?? tabBarRow.children[0]
+                                        return item.width;
+                                    }
+
                                     id: strip
-                                    width: tabBarRow.children[0].width
+                                    x: computeX()
+                                    width: computeWidth()
                                     height: 5
                                     radius: 2
                                     color: DialogValues.textColorInteraction
@@ -209,35 +241,40 @@ Item {
                                     Behavior on x { SmoothedAnimation { duration: tabBar.animDur } }
                                     Behavior on width { SmoothedAnimation { duration: strip.width === 0 ? 0 : tabBar.animDur } } // do not animate initial width
                                 }
-
-                                Connections {
-                                    target: rootDialog
-                                    function onWidthChanged() {
-                                        if (rootDialog.width < 1200) { // 1200 = the width threshold
-                                            tabBar.width = tabBar.parent.width - 20
-                                            projectView.width = projectView.parent.width - 20
-                                        } else {
-                                            tabBar.width = tabBar.parent.width - 64
-                                            projectView.width = projectView.parent.width - 64
-                                        }
-                                    }
-                                }
                             } // Rectangle
 
-                            NewProjectView {
-                                id: projectView
+                            Rectangle {
+                                id: presetViewFrame
                                 x: 10                       // left padding
-                                width: parent.width - 64    // right padding
-                                height: DialogValues.projectViewHeight
+                                width: parent.width - 20    // right padding
+                                height: DialogValues.presetViewHeight
+                                color: DialogValues.darkPaneColor
+
+                                Item {
+                                    anchors.fill: parent
+                                    anchors.margins: DialogValues.gridMargins
+
+                                    NewProjectView {
+                                        id: presetView
+                                        anchors.fill: parent
+
                                         loader: projectDetailsLoader
+                                        currentTabName: tabBarRow.currentTabName
 
                                         Connections {
                                             target: rootDialog
                                             function onHeightChanged() {
-                                        if (rootDialog.height < 700) { // 700 = minimum height big dialog
-                                            projectView.height = DialogValues.projectViewHeight / 2
+                                                if (rootDialog.height < 720) { // 720 = minimum height big dialog
+                                                    DialogValues.presetViewHeight =
+                                                            DialogValues.presetItemHeight
+                                                            + 2 * DialogValues.gridMargins
                                                 } else {
-                                            projectView.height = DialogValues.projectViewHeight
+                                                    DialogValues.presetViewHeight =
+                                                            DialogValues.presetItemHeight * 2
+                                                            + DialogValues.gridSpacing
+                                                            + 2 * DialogValues.gridMargins
+                                                }
+                                            }
                                         }
                                     }
                                 }
@@ -247,12 +284,12 @@ Item {
 
                             Text {
                                 id: descriptionText
-                                text: dialogBox.projectDescription
+                                text: BackendApi.projectDescription
                                 font.pixelSize: DialogValues.defaultPixelSize
                                 lineHeight: DialogValues.defaultLineHeight
                                 lineHeightMode: Text.FixedHeight
                                 leftPadding: 14
-                                width: projectView.width
+                                width: presetViewFrame.width
                                 color: DialogValues.textColor
                                 wrapMode: Text.WordWrap
                                 maximumLineCount: 4
@@ -298,7 +335,7 @@ Item {
                                 iconFont: StudioTheme.Constants.font
 
                                 onClicked: {
-                                    dialogBox.reject();
+                                    BackendApi.reject();
                                 }
                             }
 
@@ -310,11 +347,11 @@ Item {
                                 visible: true
                                 buttonIcon: qsTr("Create")
                                 iconSize: DialogValues.defaultPixelSize
-                                enabled: dialogBox.fieldsValid
+                                enabled: BackendApi.fieldsValid
                                 iconFont: StudioTheme.Constants.font
 
                                 onClicked: {
-                                    dialogBox.accept();
+                                    BackendApi.accept();
                                 }
                             }
                         } // RowLayout

share/qtcreator/qmldesigner/newprojectdialog/imports/NewProjectDialog/Details.qml

@@ -31,16 +31,13 @@ import QtQuick.Layouts
 import StudioControls as SC
 import StudioTheme as StudioTheme
 
+import BackendApi
+
 Item {
     width: DialogValues.detailsPaneWidth
 
-    Component.onCompleted: {
-        dialogBox.detailsLoaded = true;
-    }
-
-    Component.onDestruction: {
-        dialogBox.detailsLoaded = false;
-    }
+    Component.onCompleted: BackendApi.detailsLoaded = true
+    Component.onDestruction: BackendApi.detailsLoaded = false
 
     Rectangle {
         color: DialogValues.darkPaneColor
@@ -53,13 +50,13 @@ Item {
 
             Column {
                 anchors.fill: parent
-                spacing: DialogValues.defaultPadding
+                spacing: 5
 
                 Text {
                     id: detailsHeading
                     text: qsTr("Details")
                     height: DialogValues.paneTitleTextHeight
-                    width: parent.width;
+                    width: parent.width
                     font.weight: Font.DemiBold
                     font.pixelSize: DialogValues.paneTitlePixelSize
                     lineHeight: DialogValues.paneTitleLineHeight
@@ -71,39 +68,36 @@ Item {
                 Flickable {
                     width: parent.width
                     height: parent.height - detailsHeading.height - DialogValues.defaultPadding
-
+                            - savePresetButton.height
                     contentWidth: parent.width
                     contentHeight: scrollContent.height
                     boundsBehavior: Flickable.StopAtBounds
                     clip: true
 
-                    ScrollBar.vertical: SC.VerticalScrollBar {
-                    }
+                    ScrollBar.vertical: SC.VerticalScrollBar {}
 
                     Column {
                         id: scrollContent
                         width: parent.width - DialogValues.detailsPanePadding
-                        height: DialogValues.detailsScrollableContentHeight
                         spacing: DialogValues.defaultPadding
 
                         SC.TextField {
                             id: projectNameTextField
                             actionIndicatorVisible: false
                             translationIndicatorVisible: false
-                            text: dialogBox.projectName
+                            text: BackendApi.projectName
                             width: parent.width
                             color: DialogValues.textColor
                             selectByMouse: true
+                            font.pixelSize: DialogValues.defaultPixelSize
 
                             onEditingFinished: {
                                 text = text.charAt(0).toUpperCase() + text.slice(1)
                             }
-
-                            font.pixelSize: DialogValues.defaultPixelSize
                         }
 
                         Binding {
-                            target: dialogBox
+                            target: BackendApi
                             property: "projectName"
                             value: projectNameTextField.text
                         }
@@ -118,14 +112,14 @@ Item {
                                 id: projectLocationTextField
                                 actionIndicatorVisible: false
                                 translationIndicatorVisible: false
-                                text: dialogBox.projectLocation
+                                text: BackendApi.projectLocation
                                 color: DialogValues.textColor
                                 selectByMouse: true
                                 font.pixelSize: DialogValues.defaultPixelSize
                             }
 
                             Binding {
-                                target: dialogBox
+                                target: BackendApi
                                 property: "projectLocation"
                                 value: projectLocationTextField.text
                             }
@@ -138,7 +132,7 @@ Item {
                                 iconFont: StudioTheme.Constants.font
 
                                 onClicked: {
-                                    var newLocation = dialogBox.chooseProjectLocation()
+                                    var newLocation = BackendApi.chooseProjectLocation()
                                     if (newLocation)
                                         projectLocationTextField.text = newLocation
                                 }
@@ -159,7 +153,7 @@ Item {
 
                             Text {
                                 id: statusMessage
-                                text: dialogBox.statusMessage
+                                text: BackendApi.statusMessage
                                 font.pixelSize: DialogValues.defaultPixelSize
                                 lineHeight: DialogValues.defaultLineHeight
                                 lineHeightMode: Text.FixedHeight
@@ -172,7 +166,7 @@ Item {
                                 states: [
                                     State {
                                         name: "warning"
-                                        when: dialogBox.statusType === "warning"
+                                        when: BackendApi.statusType === "warning"
                                         PropertyChanges {
                                             target: statusMessage
                                             color: DialogValues.textWarning
@@ -185,7 +179,7 @@ Item {
 
                                     State {
                                         name: "error"
-                                        when: dialogBox.statusType === "error"
+                                        when: BackendApi.statusType === "error"
                                         PropertyChanges {
                                             target: statusMessage
                                             color: DialogValues.textError
@@ -208,7 +202,7 @@ Item {
                         }
 
                         Binding {
-                            target: dialogBox
+                            target: BackendApi
                             property: "saveAsDefaultLocation"
                             value: defaultLocationCheckbox.checked
                         }
@@ -219,25 +213,25 @@ Item {
                             id: screenSizeComboBox
                             actionIndicatorVisible: false
                             currentIndex: -1
-                            model: screenSizeModel
+                            model: BackendApi.screenSizeModel
                             textRole: "display"
                             width: parent.width
                             font.pixelSize: DialogValues.defaultPixelSize
 
                             onActivated: (index) => {
-                                dialogBox.setScreenSizeIndex(index);
+                                BackendApi.setScreenSizeIndex(index);
 
-                                var size = screenSizeModel.screenSizes(index);
+                                var size = BackendApi.screenSizeModel.screenSizes(index);
                                 widthField.realValue = size.width;
                                 heightField.realValue = size.height;
                             }
 
                             Connections {
-                                target: screenSizeModel
+                                target: BackendApi.screenSizeModel
                                 function onModelReset() {
                                     var newIndex = screenSizeComboBox.currentIndex > -1
                                             ? screenSizeComboBox.currentIndex
-                                            : dialogBox.screenSizeIndex()
+                                            : BackendApi.screenSizeIndex()
 
                                     screenSizeComboBox.currentIndex = newIndex
                                     screenSizeComboBox.activated(newIndex)
@@ -248,10 +242,8 @@ Item {
                         GridLayout { // orientation + width + height
                             width: parent.width
                             height: 85
-
                             columns: 4
                             rows: 2
-
                             columnSpacing: 10
                             rowSpacing: 10
 
@@ -295,10 +287,7 @@ Item {
                                 font.pixelSize: DialogValues.defaultPixelSize
 
                                 onRealValueChanged: {
-                                    var height = heightField.realValue
-                                    var width = realValue
-
-                                    if (width >= height)
+                                    if (widthField.realValue >= heightField.realValue)
                                         orientationButton.setHorizontal()
                                     else
                                         orientationButton.setVertical()
@@ -306,7 +295,7 @@ Item {
                             } // Width Text Field
 
                             Binding {
-                                target: dialogBox
+                                target: BackendApi
                                 property: "customWidth"
                                 value: widthField.realValue
                             }
@@ -323,10 +312,7 @@ Item {
                                 font.pixelSize: DialogValues.defaultPixelSize
 
                                 onRealValueChanged: {
-                                    var height = realValue
-                                    var width = widthField.realValue
-
-                                    if (width >= height)
+                                    if (widthField.realValue >= heightField.realValue)
                                         orientationButton.setHorizontal()
                                     else
                                         orientationButton.setVertical()
@@ -334,7 +320,7 @@ Item {
                             } // Height Text Field
 
                             Binding {
-                                target: dialogBox
+                                target: BackendApi
                                 property: "customHeight"
                                 value: heightField.realValue
                             }
@@ -345,7 +331,6 @@ Item {
                                 id: orientationButton
                                 implicitWidth: 100
                                 implicitHeight: 50
-
                                 checked: false
                                 hoverEnabled: false
                                 background: Rectangle {
@@ -384,19 +369,22 @@ Item {
 
                                 onClicked: {
                                     if (widthField.realValue && heightField.realValue) {
-                                        [widthField.realValue, heightField.realValue] = [heightField.realValue, widthField.realValue];
-                                        checked = !checked
+                                        [widthField.realValue, heightField.realValue] = [heightField.realValue, widthField.realValue]
+                                        orientationButton.checked = !orientationButton.checked
+
+                                        if (widthField.realValue === heightField.realValue)
+                                            orientationButton.checked ? setVertical() : setHorizontal()
                                     }
                                 }
 
                                 function setHorizontal() {
-                                    checked = false
+                                    orientationButton.checked = false
                                     horizontalBar.color = DialogValues.textColorInteraction
                                     verticalBar.color = "white"
                                 }
 
                                 function setVertical() {
-                                    checked = true
+                                    orientationButton.checked = true
                                     horizontalBar.color = "white"
                                     verticalBar.color = DialogValues.textColorInteraction
                                 }
@@ -404,23 +392,27 @@ Item {
 
                         } // GridLayout: orientation + width + height
 
-                        Rectangle { width: parent.width; height: 1; color: DialogValues.dividerlineColor }
+                        Rectangle {
+                            width: parent.width
+                            height: 1
+                            color: DialogValues.dividerlineColor
+                        }
 
                         SC.CheckBox {
                             id: useQtVirtualKeyboard
                             actionIndicatorVisible: false
                             text: qsTr("Use Qt Virtual Keyboard")
                             font.pixelSize: DialogValues.defaultPixelSize
-                            checked: dialogBox.useVirtualKeyboard
-                            visible: dialogBox.haveVirtualKeyboard
+                            checked: BackendApi.useVirtualKeyboard
+                            visible: BackendApi.haveVirtualKeyboard
                         }
 
                         RowLayout { // Target Qt Version
                             width: parent.width
-                            visible: dialogBox.haveTargetQtVersion
+                            visible: BackendApi.haveTargetQtVersion
 
                             Text {
-                                text: "Target Qt Version:"
+                                text: qsTr("Target Qt Version:")
                                 font.pixelSize: DialogValues.defaultPixelSize
                                 lineHeight: DialogValues.defaultLineHeight
                                 lineHeightMode: Text.FixedHeight
@@ -432,33 +424,98 @@ Item {
                                 actionIndicatorVisible: false
                                 implicitWidth: 70
                                 Layout.alignment: Qt.AlignRight
-                                currentIndex: 1
+                                currentIndex: BackendApi.targetQtVersionIndex
                                 font.pixelSize: DialogValues.defaultPixelSize
 
                                 model: ListModel {
-                                    ListElement {
-                                        name: "Qt 5"
-                                    }
-                                    ListElement {
-                                        name: "Qt 6"
-                                    }
+                                    ListElement { name: "Qt 5" }
+                                    ListElement { name: "Qt 6" }
                                 }
 
                                 onActivated: (index) => {
-                                    dialogBox.setTargetQtVersion(index)
+                                    BackendApi.targetQtVersionIndex = index
                                 }
                             } // Target Qt Version ComboBox
+
+                            Binding {
+                                target: BackendApi
+                                property: "targetQtVersionIndex"
+                                value: qtVersionComboBox.currentIndex
+                            }
+
                         } // RowLayout
 
                         Binding {
-                            target: dialogBox
+                            target: BackendApi
                             property: "useVirtualKeyboard"
                             value: useQtVirtualKeyboard.checked
                         }
                     } // ScrollContent Column
                 } // ScrollView
-
             } // Column
-        } // Item
+
+            SC.AbstractButton {
+                id: savePresetButton
+                width: StudioTheme.Values.singleControlColumnWidth
+                buttonIcon: qsTr("Save Custom Preset")
+                iconFont: StudioTheme.Constants.font
+                iconSize: DialogValues.defaultPixelSize
+                anchors.bottom: parent.bottom
+                anchors.horizontalCenter: parent.horizontalCenter
+
+                onClicked: savePresetDialog.open()
             }
-}
+
+            PopupDialog {
+                id: savePresetDialog
+                title: qsTr("Save Preset")
+                standardButtons: Dialog.Save | Dialog.Cancel
+                modal: true
+                closePolicy: Popup.CloseOnEscape
+                anchors.centerIn: parent
+                width: DialogValues.popupDialogWidth
+
+                onAccepted: BackendApi.savePresetDialogAccept()
+
+                onOpened: {
+                    presetNameTextField.selectAll()
+                    presetNameTextField.forceActiveFocus()
+                }
+
+                ColumnLayout {
+                    width: parent.width
+                    spacing: 10
+
+                    Text {
+                        text: qsTr("Preset name")
+                        font.pixelSize: DialogValues.defaultPixelSize
+                        color: DialogValues.textColor
+                    }
+
+                    SC.TextField {
+                        id: presetNameTextField
+                        actionIndicatorVisible: false
+                        translationIndicatorVisible: false
+                        text: qsTr("MyPreset")
+                        color: DialogValues.textColor
+                        font.pixelSize: DialogValues.defaultPixelSize
+                        Layout.fillWidth: true
+                        maximumLength: 30
+                        validator: RegularExpressionValidator { regularExpression: /\w[\w ]*/ }
+
+                        onEditingFinished: {
+                            presetNameTextField.text = text.trim()
+                            presetNameTextField.text = text.replace(/\s+/g, " ")
+                        }
+                    }
+
+                    Binding {
+                        target: BackendApi
+                        property: "presetName"
+                        value: presetNameTextField.text
+                    }
+                }
+            }
+        } // Item
+    } // Rectangle
+} // root Item

share/qtcreator/qmldesigner/newprojectdialog/imports/NewProjectDialog/DialogValues.qml

@@ -29,39 +29,57 @@ import QtQml
 import StudioTheme as StudioTheme
 
 QtObject {
+    id: root
+
     readonly property int dialogWidth: 1522
     readonly property int dialogHeight: 940
-    readonly property int projectViewMinimumWidth: 600
-    readonly property int projectViewMinimumHeight: projectViewHeight
-    readonly property int dialogContentHeight: projectViewHeight + 300  // i.e. dialog without header and footer
-    readonly property int loadedPanesWidth: detailsPaneWidth + stylesPaneWidth
-    readonly property int detailsPaneWidth: 330 + detailsPanePadding * 2
+    readonly property int presetViewMinimumWidth: 600
+    readonly property int presetViewMinimumHeight: root.gridCellHeight
+    readonly property int dialogContentHeight: root.presetViewHeight + 300 // i.e. dialog without header and footer
+    readonly property int loadedPanesWidth: root.detailsPaneWidth + root.stylesPaneWidth
+    readonly property int detailsPaneWidth: 330 + root.detailsPanePadding * 2
     readonly property int dialogTitleTextHeight: 85
     readonly property int paneTitleTextHeight: 47
     readonly property int logoWidth: 85
     readonly property int logoHeight: 85
 
-    /* detailsScrollableContentHeight - the full height that may need to be scrolled to be fully
-       visible, if the dialog box is too small. */
-    readonly property int detailsScrollableContentHeight: 428
-    readonly property int stylesPaneWidth: styleImageWidth + stylesPanePadding * 2 + styleImageBorderWidth * 2 // i.e. 240px
+    readonly property int stylesPaneWidth: root.styleImageWidth + root.stylesPanePadding * 2
+                                           + root.styleImageBorderWidth * 2 // i.e. 240px
     readonly property int detailsPanePadding: 18
     readonly property int stylesPanePadding: 18
     readonly property int defaultPadding: 18
     readonly property int dialogLeftPadding: 35
 
+    readonly property int styleListItemHeight: root.styleImageHeight + root.styleTextHeight
+                                               + 2 * root.styleImageBorderWidth
+                                               + root.styleListItemBottomMargin
+                                               + root.styleListItemSpacing
+    readonly property int styleListItemBottomMargin: 10
+    readonly property int styleListItemSpacing: 4
     readonly property int styleImageWidth: 200
+    readonly property int styleImageHeight: 262
     readonly property int styleImageBorderWidth: 2
+    readonly property int styleTextHeight: 18
+
     readonly property int footerHeight: 73
-    readonly property int projectItemWidth: 90
-    readonly property int projectItemHeight: 144
-    readonly property int projectViewHeight: projectItemHeight * 2
-    readonly property int projectViewHeaderHeight: 38
+    readonly property int presetItemWidth: 136
+    readonly property int presetItemHeight: 110
+    property int presetViewHeight: root.presetItemHeight * 2 + root.gridSpacing + root.gridMargins * 2
+    readonly property int presetViewHeaderHeight: 38
+
+    readonly property int gridMargins: 20
+    readonly property int gridCellWidth: root.presetItemWidth + root.gridSpacing
+    readonly property int gridCellHeight: root.presetItemHeight + root.gridSpacing
+    readonly property int gridSpacing: 2
 
     readonly property int dialogButtonWidth: 100
 
-    readonly property int loadedPanesHeight: dialogContentHeight
-    readonly property int detailsPaneHeight: dialogContentHeight
+    // This is for internal popup dialogs
+    readonly property int popupDialogWidth: 270
+    readonly property int popupDialogPadding: 12
+
+    readonly property int loadedPanesHeight: root.dialogContentHeight
+    readonly property int detailsPaneHeight: root.dialogContentHeight
 
     readonly property string darkPaneColor: StudioTheme.Values.themeBackgroundColorNormal
     readonly property string lightPaneColor: StudioTheme.Values.themeBackgroundColorAlternate
@@ -71,6 +89,8 @@ QtObject {
     readonly property string dividerlineColor: StudioTheme.Values.themeTextColorDisabled
     readonly property string textError: StudioTheme.Values.themeError
     readonly property string textWarning: StudioTheme.Values.themeWarning
+    readonly property string presetItemBackgroundHover: StudioTheme.Values.themeControlBackgroundGlobalHover
+    readonly property string presetItemBackgroundHoverInteraction: StudioTheme.Values.themeControlBackgroundInteraction
 
     readonly property real defaultPixelSize: 14
     readonly property real defaultLineHeight: 21
@@ -91,6 +111,6 @@ QtObject {
                 item and spacing after it). So we have to subtract 2 x layout spacing before setting
                 our own, narrower, spacing.
                */
-        return -layoutSpacing -layoutSpacing + value
+        return -layoutSpacing - layoutSpacing + value
     }
 }

share/qtcreator/qmldesigner/newprojectdialog/imports/NewProjectDialog/NewProjectView.qml

@@ -28,111 +28,252 @@ import QtQuick.Controls
 
 import QtQuick
 import QtQuick.Layouts
+import StudioControls as SC
 import StudioTheme as StudioTheme
 
-GridView {
-    id: projectView
+import BackendApi
+
+ScrollView {
+    id: scrollView
 
     required property Item loader
+    required property string currentTabName
 
-    cellWidth: DialogValues.projectItemWidth
-    cellHeight: DialogValues.projectItemHeight
-    clip: true
+    property string backgroundHoverColor: DialogValues.presetItemBackgroundHover
 
-    boundsBehavior: Flickable.StopAtBounds
+    // selectLast: if true, it will select last item in the model after a model reset.
+    property bool selectLast: false
 
-    children: [
-        Rectangle {
-            color: DialogValues.darkPaneColor
-            anchors.fill: parent
-            z: -1
+    ScrollBar.horizontal.policy: ScrollBar.AlwaysOff
+    ScrollBar.vertical: SC.VerticalScrollBar {
+        parent: scrollView
+        x: scrollView.width + (DialogValues.gridMargins
+                               - StudioTheme.Values.scrollBarThickness) * 0.5
+        y: scrollView.topPadding
+        height: scrollView.availableHeight
     }
-    ]
 
-    model: presetModel
+    contentWidth: gridView.contentItem.childrenRect.width
+    contentHeight: gridView.contentItem.childrenRect.height
+
+    GridView {
+        id: gridView
+
+        clip: true
+        anchors.fill: parent
+        cellWidth: DialogValues.gridCellWidth
+        cellHeight: DialogValues.gridCellHeight
+        rightMargin: -DialogValues.gridSpacing
+        bottomMargin: -DialogValues.gridSpacing
+        boundsBehavior: Flickable.StopAtBounds
+        model: BackendApi.presetModel
 
         // called by onModelReset and when user clicks on an item, or when the header item is changed.
         onCurrentIndexChanged: {
-        dialogBox.selectedPreset = projectView.currentIndex
-        var source = dialogBox.currentPresetQmlPath()
-        loader.source = source
+            BackendApi.selectedPreset = gridView.currentIndex
+            var source = BackendApi.currentPresetQmlPath()
+            scrollView.loader.source = source
         }
 
         Connections {
-        target: presetModel
+            target: BackendApi.presetModel
 
             // called when data is set (setWizardFactories)
             function onModelReset() {
-            currentIndex = 0
-            currentIndexChanged()
+                if (scrollView.selectLast) {
+                    gridView.currentIndex = BackendApi.presetModel.rowCount() - 1
+                    scrollView.selectLast = false
+                } else {
+                    gridView.currentIndex = 0
+                }
+
+                // This will load Details.qml and Styles.qml by setting "source" on the Loader.
+                gridView.currentIndexChanged()
             }
         }
 
         delegate: ItemDelegate {
             id: delegate
 
-        width: DialogValues.projectItemWidth
-        height: DialogValues.projectItemHeight
-        background: null
+            property bool hover: delegate.hovered || removeMouseArea.containsMouse
+
+            width: DialogValues.presetItemWidth
+            height: DialogValues.presetItemHeight
+
+            onClicked: delegate.GridView.view.currentIndex = index
+
+            background: Rectangle {
+                id: delegateBackground
+                width: parent.width
+                height: parent.height
+                color: delegate.hover ? scrollView.backgroundHoverColor : "transparent"
+                border.color: delegate.hover ? presetName.color : "transparent"
+            }
 
             function fontIconCode(index) {
-            var code = presetModel.fontIconCode(index)
+                var code = BackendApi.presetModel.fontIconCode(index)
                 return code ? code : StudioTheme.Constants.wizardsUnknown
             }
 
-        Column {
-            width: parent.width
-            height: parent.height
+            contentItem: Item {
+                anchors.fill: parent
+
+                ColumnLayout {
+                    spacing: 0
+                    anchors.top: parent.top
+                    anchors.topMargin: -1
+                    anchors.horizontalCenter: parent.horizontalCenter
 
                     Label {
-                id: projectTypeIcon
-                text: fontIconCode(index)
+                        id: presetIcon
+                        text: delegate.fontIconCode(index)
                         color: DialogValues.textColor
-                width: parent.width
-                height: DialogValues.projectItemHeight / 2
                         horizontalAlignment: Text.AlignHCenter
                         verticalAlignment: Text.AlignBottom
                         renderType: Text.NativeRendering
                         font.pixelSize: 65
                         font.family: StudioTheme.Constants.iconFont.family
-            }
+                        Layout.alignment: Qt.AlignHCenter
+                    } // Preset type icon Label
 
                     Text {
-                id: projectTypeLabel
+                        id: presetName
                         color: DialogValues.textColor
-
                         text: name
                         font.pixelSize: DialogValues.defaultPixelSize
                         lineHeight: DialogValues.defaultLineHeight
                         lineHeightMode: Text.FixedHeight
-                width: parent.width
-                height: DialogValues.projectItemHeight / 2
+                        width: DialogValues.presetItemWidth - 16
+                        elide: Text.ElideRight
+                        horizontalAlignment: Text.AlignHCenter
+                        verticalAlignment: Text.AlignTop
+                        Layout.alignment: Qt.AlignHCenter
+                        Layout.preferredWidth: presetName.width
+                        Layout.minimumWidth: presetName.width
+                        Layout.maximumWidth: presetName.width
+
+                        ToolTip {
+                            id: toolTip
+                            y: -toolTip.height
+                            visible: delegate.hovered && presetName.truncated
+                            text: name
+                            delay: 1000
+                            height: 20
+
+                            background: Rectangle {
+                                color: StudioTheme.Values.themeToolTipBackground
+                                border.color: StudioTheme.Values.themeToolTipOutline
+                                border.width: StudioTheme.Values.border
+                            }
+
+                            contentItem: Text {
+                                color: StudioTheme.Values.themeToolTipText
+                                text: toolTip.text
+                                font.pixelSize: DialogValues.defaultPixelSize
+                                verticalAlignment: Text.AlignVCenter
+                            }
+                        }
+                    }
+
+                    Text {
+                        id: presetResolution
+                        color: DialogValues.textColor
+                        text: resolution
+                        font.pixelSize: DialogValues.defaultPixelSize
+                        lineHeight: DialogValues.defaultLineHeight
+                        lineHeightMode: Text.FixedHeight
                         wrapMode: Text.Wrap
                         horizontalAlignment: Text.AlignHCenter
                         verticalAlignment: Text.AlignTop
+                        Layout.alignment: Qt.AlignHCenter
+                    }
+
+                } // ColumnLayout
+
+                Item {
+                    id: removePresetButton
+                    width: 20
+                    height: 20
+                    anchors.top: parent.top
+                    anchors.right: parent.right
+                    anchors.margins: 4
+                    visible: isUserPreset === true
+                             && delegate.hover
+                             && scrollView.currentTabName !== BackendApi.recentsTabName()
+
+                    Text {
+                        anchors.fill: parent
+                        text: StudioTheme.Constants.closeCross
+                        color: DialogValues.textColor
+                        horizontalAlignment: Qt.AlignHCenter
+                        verticalAlignment: Qt.AlignVCenter
+                        font.family: StudioTheme.Constants.iconFont.family
+                        font.pixelSize: StudioTheme.Values.myIconFontSize
                     }
-        } // Column
 
                     MouseArea {
+                        id: removeMouseArea
                         anchors.fill: parent
+                        hoverEnabled: true
+                        cursorShape: removeMouseArea.containsMouse ? Qt.PointingHandCursor
+                                                                   : Qt.ArrowCursor
+
                         onClicked: {
-                delegate.GridView.view.currentIndex = index
+                            removePresetDialog.presetName = presetName.text
+                            removePresetDialog.open()
                         }
                     }
+                } // Delete preset button Item
+            } // Item
 
             states: [
                 State {
+                    name: "current"
                     when: delegate.GridView.isCurrentItem
-                PropertyChanges {
-                    target: projectTypeLabel
-                    color: DialogValues.textColorInteraction
-                }
 
                     PropertyChanges {
-                    target: projectTypeIcon
+                        target: presetName
                         color: DialogValues.textColorInteraction
                     }
+                    PropertyChanges {
+                        target: presetResolution
+                        color: DialogValues.textColorInteraction
+                    }
+                    PropertyChanges {
+                        target: presetIcon
+                        color: DialogValues.textColorInteraction
+                    }
+                    PropertyChanges {
+                        target: scrollView
+                        backgroundHoverColor: DialogValues.presetItemBackgroundHoverInteraction
+                    }
                 } // State
             ]
         } // ItemDelegate
-} // GridView
+
+        PopupDialog {
+            id: removePresetDialog
+
+            property string presetName
+
+            title: qsTr("Delete Custom Preset")
+            standardButtons: Dialog.Yes | Dialog.No
+            modal: true
+            closePolicy: Popup.CloseOnEscape
+            anchors.centerIn: parent
+            width: DialogValues.popupDialogWidth
+
+            onAccepted: BackendApi.removeCurrentPreset()
+
+            Text {
+                text: qsTr("Are you sure you want to delete \"" + removePresetDialog.presetName + "\" ?")
+                color: DialogValues.textColor
+                font.pixelSize: DialogValues.defaultPixelSize
+                wrapMode: Text.WordWrap
+
+                width: DialogValues.popupDialogWidth - 2 * DialogValues.popupDialogPadding
+            }
+
+        } // Dialog
+    } // GridView
+} // ScrollView

share/qtcreator/qmldesigner/newprojectdialog/imports/NewProjectDialog/PopupDialog.qml

@@ -0,0 +1,66 @@
+/****************************************************************************
+**
+** Copyright (C) 2022 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of Qt Creator.
+**
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 as published by the Free Software
+** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
+**
+****************************************************************************/
+
+import QtQuick
+import QtQuick.Controls
+import QtQuick.Layouts
+
+import StudioTheme as StudioTheme
+
+import BackendApi
+
+Dialog {
+    id: root
+    padding: DialogValues.popupDialogPadding
+
+    background: Rectangle {
+        color: DialogValues.darkPaneColor
+        border.color: StudioTheme.Values.themeInteraction
+        border.width: StudioTheme.Values.border
+    }
+
+    header: Label {
+        text: root.title
+        visible: root.title
+        elide: Label.ElideRight
+        font.bold: true
+        font.pixelSize: DialogValues.defaultPixelSize
+        padding: DialogValues.popupDialogPadding
+        color: DialogValues.textColor
+        horizontalAlignment: Text.AlignHCenter
+
+        background: Rectangle {
+            x: 1
+            y: 1
+            width: parent.width - 2
+            height: parent.height - 1
+            color: DialogValues.darkPaneColor
+        }
+    }
+
+    footer: PopupDialogButtonBox {
+        visible: count > 0
+    }
+}

share/qtcreator/qmldesigner/newprojectdialog/imports/NewProjectDialog/PopupDialogButton.qml

@@ -0,0 +1,107 @@
+/****************************************************************************
+**
+** Copyright (C) 2022 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of Qt Creator.
+**
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 as published by the Free Software
+** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
+**
+****************************************************************************/
+
+import QtQuick
+import QtQuick.Controls
+import StudioTheme as StudioTheme
+
+Button {
+    id: root
+
+    implicitWidth: Math.max(
+                       background ? background.implicitWidth : 0,
+                       textItem.implicitWidth + leftPadding + rightPadding)
+    implicitHeight: Math.max(
+                        background ? background.implicitHeight : 0,
+                        textItem.implicitHeight + topPadding + bottomPadding)
+    leftPadding: 4
+    rightPadding: 4
+
+    background: Rectangle {
+        id: background
+        implicitWidth: 80
+        implicitHeight: StudioTheme.Values.height
+        color: StudioTheme.Values.themeControlBackground
+        border.color: StudioTheme.Values.themeControlOutline
+        anchors.fill: parent
+    }
+
+    contentItem: Text {
+        id: textItem
+        text: root.text
+        font.family: StudioTheme.Constants.font.family
+        font.pixelSize: DialogValues.defaultPixelSize
+        color: StudioTheme.Values.themeTextColor
+        horizontalAlignment: Text.AlignHCenter
+        verticalAlignment: Text.AlignVCenter
+        renderType: Text.QtRendering
+        anchors.fill: parent
+    }
+
+    states: [
+        State {
+            name: "default"
+            when: !root.hovered && !root.checked && !root.pressed
+
+            PropertyChanges {
+                target: background
+                color: StudioTheme.Values.themeControlBackground
+                border.color: StudioTheme.Values.themeControlOutline
+            }
+            PropertyChanges {
+                target: textItem
+                color: StudioTheme.Values.themeTextColor
+            }
+        },
+        State {
+            name: "hover"
+            when: root.hovered && !root.checked && !root.pressed
+
+            PropertyChanges {
+                target: background
+                color: StudioTheme.Values.themeControlBackgroundHover
+                border.color: StudioTheme.Values.themeControlOutline
+            }
+            PropertyChanges {
+                target: textItem
+                color: StudioTheme.Values.themeTextColor
+            }
+        },
+        State {
+            name: "press"
+            when: root.hovered && root.pressed
+
+            PropertyChanges {
+                target: background
+                color: StudioTheme.Values.themeInteraction
+                border.color: StudioTheme.Values.themeInteraction
+            }
+            PropertyChanges {
+                target: textItem
+                color: StudioTheme.Values.themeIconColor
+            }
+        }
+    ]
+}

share/qtcreator/qmldesigner/newprojectdialog/imports/NewProjectDialog/PopupDialogButtonBox.qml

@@ -0,0 +1,46 @@
+/****************************************************************************
+**
+** Copyright (C) 2022 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of Qt Creator.
+**
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 as published by the Free Software
+** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
+**
+****************************************************************************/
+
+import QtQuick
+import QtQuick.Controls
+
+DialogButtonBox {
+    id: root
+    padding: DialogValues.popupDialogPadding
+    alignment: Qt.AlignRight | Qt.AlignBottom
+
+    background: Rectangle {
+        implicitHeight: 40
+        x: 1
+        y: 1
+        width: parent.width - 2
+        height: parent.height - 2
+        color: DialogValues.darkPaneColor
+    }
+
+    delegate: PopupDialogButton {
+        width: root.count === 1 ? root.availableWidth / 2 : undefined
+    }
+}

share/qtcreator/qmldesigner/newprojectdialog/imports/NewProjectDialog/Styles.qml

@@ -23,20 +23,21 @@
 **
 ****************************************************************************/
 
+import QtQuick
 import QtQuick.Window
 import QtQuick.Controls
-
-import QtQuick
 import QtQuick.Layouts
 
 import StudioControls as SC
 import StudioTheme as StudioTheme
 
+import BackendApi
+
 Item {
     width: DialogValues.stylesPaneWidth
 
     Component.onCompleted: {
-        dialogBox.stylesLoaded = true;
+        BackendApi.stylesLoaded = true
 
         /*
          * TODO: roleNames is called before the backend model (in the proxy class StyleModel) is
@@ -47,7 +48,7 @@ Item {
     }
 
     Component.onDestruction: {
-        dialogBox.stylesLoaded = false;
+        BackendApi.stylesLoaded = false
     }
 
     Rectangle {
@@ -57,35 +58,40 @@ Item {
 
         Item {
             x: DialogValues.stylesPanePadding
-            width: parent.width - DialogValues.stylesPanePadding * 2 + styleScrollBar.width
+            width: parent.width - DialogValues.stylesPanePadding * 2
             height: parent.height
 
-            ColumnLayout {
-                anchors.fill: parent
-                spacing: 5
-
             Text {
                 id: styleTitleText
                 text: qsTr("Style")
-                    Layout.minimumHeight: DialogValues.paneTitleTextHeight
+                height: DialogValues.paneTitleTextHeight
+                width: parent.width
                 font.weight: Font.DemiBold
                 font.pixelSize: DialogValues.paneTitlePixelSize
                 lineHeight: DialogValues.paneTitleLineHeight
                 lineHeightMode: Text.FixedHeight
                 color: DialogValues.textColor
                 verticalAlignment: Qt.AlignVCenter
+                anchors.top: parent.top
+                anchors.left: parent.left
+                anchors.right: parent.right
 
                 function refresh() {
-                        text = qsTr("Style") + " (" + styleModel.rowCount() + ")"
+                    styleTitleText.text = qsTr("Style") + " (" + BackendApi.styleModel.rowCount() + ")"
                 }
             }
 
             SC.ComboBox { // Style Filter ComboBox
+                id: styleComboBox
                 actionIndicatorVisible: false
                 currentIndex: 0
                 textRole: "text"
                 valueRole: "value"
                 font.pixelSize: DialogValues.defaultPixelSize
+                width: parent.width
+
+                anchors.top: styleTitleText.bottom
+                anchors.topMargin: 5
 
                 model: ListModel {
                     ListElement { text: qsTr("All"); value: "all" }
@@ -93,80 +99,79 @@ Item {
                     ListElement { text: qsTr("Dark"); value: "dark" }
                 }
 
-                    implicitWidth: parent.width
-
                 onActivated: (index) => {
-                        styleModel.filter(currentValue.toLowerCase());
-                        styleTitleText.refresh();
+                    BackendApi.styleModel.filter(currentValue.toLowerCase())
+                    styleTitleText.refresh()
                 }
             } // Style Filter ComboBox
 
-                Item { implicitWidth: 1; implicitHeight: 9 }
+            ScrollView {
+                id: scrollView
+
+                anchors.top: styleComboBox.bottom
+                anchors.topMargin: 11
+                anchors.bottom: parent.bottom
+                anchors.bottomMargin: DialogValues.stylesPanePadding
+                width: parent.width
+
+                ScrollBar.horizontal.policy: ScrollBar.AlwaysOff
+                ScrollBar.vertical: SC.VerticalScrollBar {
+                    id: styleScrollBar
+                    x: stylesList.width + (DialogValues.stylesPanePadding
+                                           - StudioTheme.Values.scrollBarThickness) * 0.5
+                }
 
                 ListView {
                     id: stylesList
-                    Layout.fillWidth: true
-                    Layout.fillHeight: true
-                    clip: true
-                    model: styleModel
-
-                    MouseArea {
-                        id: listViewMouseArea
                     anchors.fill: parent
-                        hoverEnabled: true
-                        propagateComposedEvents: true
-                    }
-
                     focus: true
+                    clip: true
+                    model: BackendApi.styleModel
                     boundsBehavior: Flickable.StopAtBounds
-
                     highlightFollowsCurrentItem: false
-
-                    ScrollBar.vertical: SC.VerticalScrollBar {
-                        id: styleScrollBar
-                        property int extraPadding: 0
-                        bottomInset: extraPadding
-                        bottomPadding: bottomInset + 16
-                        viewMouseArea: listViewMouseArea
-                    } // ScrollBar
+                    bottomMargin: -DialogValues.styleListItemBottomMargin
 
                     onCurrentIndexChanged: {
-                        if (styleModel.rowCount() > 0)
-                            dialogBox.styleIndex = stylesList.currentIndex;
+                        if (BackendApi.styleModel.rowCount() > 0)
+                            BackendApi.styleIndex = stylesList.currentIndex
                     }
 
                     delegate: ItemDelegate {
                         id: delegateId
-                        height: styleImage.height + DialogValues.styleImageBorderWidth + styleText.height + extraPadding.height + 1
-                        width: stylesList.width - styleScrollBar.width
+                        width: stylesList.width
+                        height: DialogValues.styleListItemHeight
 
-                        Component.onCompleted: {
-                            styleScrollBar.extraPadding = styleText.height + extraPadding.height
-                        }
+                        onClicked: stylesList.currentIndex = index
 
-                        Rectangle {
+                        background: Rectangle {
                             anchors.fill: parent
                             color: DialogValues.lightPaneColor
+                        }
 
-                            Column {
-                                spacing: 0
+                        contentItem: Item {
                             anchors.fill: parent
 
+                            Column {
+                                anchors.fill: parent
+                                spacing: DialogValues.styleListItemSpacing
+
                                 Rectangle {
-                                    border.color: index == stylesList.currentIndex ? DialogValues.textColorInteraction : "transparent"
-                                    border.width: index == stylesList.currentIndex ? DialogValues.styleImageBorderWidth : 0
+                                    width: DialogValues.styleImageWidth
+                                           + 2 * DialogValues.styleImageBorderWidth
+                                    height: DialogValues.styleImageHeight
+                                            + 2 * DialogValues.styleImageBorderWidth
+                                    border.color: index === stylesList.currentIndex ? DialogValues.textColorInteraction : "transparent"
+                                    border.width: index === stylesList.currentIndex ? DialogValues.styleImageBorderWidth : 0
                                     color: "transparent"
-                                    width: parent.width
-                                    height: parent.height - styleText.height - extraPadding.height
 
                                     Image {
                                         id: styleImage
-                                        asynchronous: false
-                                        source: "image://newprojectdialog_library/" + styleModel.iconId(model.index)
-                                        width: 200
-                                        height: 262
                                         x: DialogValues.styleImageBorderWidth
                                         y: DialogValues.styleImageBorderWidth
+                                        width: DialogValues.styleImageWidth
+                                        height: DialogValues.styleImageHeight
+                                        asynchronous: false
+                                        source: "image://newprojectdialog_library/" + BackendApi.styleModel.iconId(model.index)
                                     }
                                 } // Rectangle
 
@@ -175,35 +180,26 @@ Item {
                                     text: model.display
                                     font.pixelSize: DialogValues.defaultPixelSize
                                     lineHeight: DialogValues.defaultLineHeight
-                                    height: 18
+                                    height: DialogValues.styleTextHeight
                                     lineHeightMode: Text.FixedHeight
                                     horizontalAlignment: Text.AlignHCenter
                                     width: parent.width
                                     color: DialogValues.textColor
                                 }
-
-                                Item { id: extraPadding; width: 1; height: 10 }
                             } // Column
-                        } // Rectangle
-
-                        MouseArea {
-                            anchors.fill: parent
-                            onClicked: {
-                                stylesList.currentIndex = index
-                            }
                         }
                     }
 
                     Connections {
-                        target: styleModel
+                        target: BackendApi.styleModel
                         function onModelReset() {
-                            stylesList.currentIndex = dialogBox.styleIndex;
-                            stylesList.currentIndexChanged();
-                            styleTitleText.refresh();
+                            stylesList.currentIndex = BackendApi.styleIndex
+                            stylesList.currentIndexChanged()
+                            styleTitleText.refresh()
                         }
                     }
                 } // ListView
-            } // ColumnLayout
+            } // ScrollView
         } // Parent Item
     } // Rectangle
 }

share/qtcreator/qmldesigner/newprojectdialog/imports/NewProjectDialog/qmldir

@@ -1,4 +1,7 @@
-singleton DialogValues 1.0 DialogValues.qml
+PopupDialog 1.0 PopupDialog.qml
+PopupDialogButton 1.0 PopupDialogButton.qml
+PopupDialogButtonBox 1.0 PopupDialogButtonBox.qml
 Details 1.0 Details.qml
-Styles 1.0 Styles.qml
+singleton DialogValues 1.0 DialogValues.qml
 NewProjectView 1.0 NewProjectView.qml
+Styles 1.0 Styles.qml

share/qtcreator/qmldesigner/propertyEditorQmlSources/imports/HelperWidgets/ExpressionTextField.qml

@@ -140,7 +140,7 @@ StudioControls.TextField {
                                                            + 2 : 0)
                 height: StudioTheme.Values.height - 2 * StudioTheme.Values.border
                 color: StudioTheme.Values.themeInteraction
-                y: listView.currentItem.y
+                y: listView.currentItem?.y ?? 0
             }
             highlightFollowsCurrentItem: false
         }

share/qtcreator/qmldesigner/propertyEditorQmlSources/imports/HelperWidgets/Section.qml

@@ -54,6 +54,8 @@ Item {
     property bool expandOnClick: true // if false, toggleExpand signal will be emitted instead
     property bool addTopPadding: true
     property bool addBottomPadding: true
+    property bool dropEnabled: false
+    property bool highlight: false
 
     property bool useDefaulContextMenu: true
 
@@ -72,9 +74,22 @@ Item {
         function onExpandAll() { section.expanded = true }
     }
 
+    signal drop(var drag)
+    signal dropEnter(var drag)
+    signal dropExit()
     signal showContextMenu()
     signal toggleExpand()
 
+    DropArea {
+        id: dropArea
+
+        enabled: section.dropEnabled
+        anchors.fill: parent
+
+        onEntered: (drag)=> section.dropEnter(drag)
+        onDropped: (drag)=> section.drop(drag)
+        onExited: section.dropExit()
+    }
 
     Rectangle {
         id: header
@@ -82,7 +97,9 @@ Item {
         visible: !section.hideHeader
         anchors.left: parent.left
         anchors.right: parent.right
-        color: Qt.lighter(StudioTheme.Values.themeSectionHeadBackground, 1.0 + (0.2 * section.level))
+        color: section.highlight ? StudioTheme.Values.themeInteraction
+                                 : Qt.lighter(StudioTheme.Values.themeSectionHeadBackground, 1.0
+                                              + (0.2 * section.level))
 
         Item {
             StudioControls.Menu {

share/qtcreator/qmldesigner/propertyEditorQmlSources/imports/StudioControls/VerticalScrollBar.qml

@@ -35,37 +35,26 @@ ScrollBar {
     implicitHeight: Math.max(implicitBackgroundHeight + topInset + bottomInset,
                              implicitContentHeight + topPadding + bottomPadding)
 
-    property bool scrollBarVisible: parent.childrenRect.height > parent.height
-    // viewMouseArea: if set, the scrollbar will be visible only on hover over the view containing
-    // the mouse area item.
-    property MouseArea viewMouseArea: null
-
-    minimumSize: orientation == Qt.Horizontal ? height / width : width / height
+    property bool scrollBarVisible: parent.contentHeight > scrollBar.height
 
+    minimumSize: scrollBar.width / scrollBar.height
     orientation: Qt.Vertical
-    policy: computePolicy()
-    x: parent.width - width
-    y: 0
+    policy: scrollBar.scrollBarVisible ? ScrollBar.AlwaysOn : ScrollBar.AlwaysOff
+
     height: parent.availableHeight
             - (parent.bothVisible ? parent.horizontalThickness : 0)
-    padding: 0
+    padding: scrollBar.active ? StudioTheme.Values.scrollBarActivePadding
+                              : StudioTheme.Values.scrollBarInactivePadding
 
     background: Rectangle {
+        implicitWidth: StudioTheme.Values.scrollBarThickness
+        implicitHeight: StudioTheme.Values.scrollBarThickness
         color: StudioTheme.Values.themeScrollBarTrack
     }
 
     contentItem: Rectangle {
-        implicitWidth: StudioTheme.Values.scrollBarThickness
+        implicitWidth: StudioTheme.Values.scrollBarThickness - 2 * scrollBar.padding
+        implicitHeight: StudioTheme.Values.scrollBarThickness - 2 * scrollBar.padding
         color: StudioTheme.Values.themeScrollBarHandle
     }
-
-    function computePolicy() {
-        if (!scrollBar.scrollBarVisible)
-            return ScrollBar.AlwaysOff;
-
-        if (scrollBar.viewMouseArea)
-            return scrollBar.viewMouseArea.containsMouse ? ScrollBar.AlwaysOn : ScrollBar.AlwaysOff
-        else
-            return ScrollBar.AlwaysOn;
-    }
 }

share/qtcreator/qmldesigner/propertyEditorQmlSources/imports/StudioTheme/Values.qml

@@ -89,6 +89,8 @@ QtObject {
     property real typeLabelVerticalShift: Math.round(6 * values.scaleFactor)
 
     property real scrollBarThickness: 10
+    property real scrollBarActivePadding: 1
+    property real scrollBarInactivePadding: 2
 
     property real toolTipHeight: 25
     property int toolTipDelay: 1000