python: add wizard project based on uic

This includes a new template that allow users to create
a UI based project, but without a dynamic loading.

To get the initial empty window, the user needs to use
a 'uic' tool to generate Python code from a UI file first.

This tool is different for PySide2, PySide6, PyQt5 and PySide6.

Change-Id: Ic12fe23696bf3b18eaf240ffac03e9bd92a5455b
Reviewed-by: David Schulz <david.schulz@qt.io>

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

@@ -130,6 +130,12 @@
             \li Empty Window
             \li Creates a Qt for Python application that contains an empty
                 window.
+        \row
+            \li Window UI
+            \li Creates a Qt for Python application that contains an empty
+                window with a widget-based UI. Preferred approach that requires
+                you to generate a Python file from the .ui file, to import
+                it directly into your application.
         \row
             \li Window UI - Dynamic load
             \li Creates a Qt for Python application that contains an empty

share/qtcreator/templates/wizards/projects/qtforpythonapplication/main_widget_gen.py

@@ -0,0 +1,39 @@
+# This Python file uses the following encoding: utf-8
+import sys
+
+@if '%{BaseCB}' === 'QWidget'
+from %{PySideVersion}.QtWidgets import QApplication, QWidget
+@endif
+@if '%{BaseCB}' === 'QMainWindow'
+from %{PySideVersion}.QtWidgets import QApplication, QMainWindow
+@endif
+@if '%{BaseCB}' === 'QDialog'
+from %{PySideVersion}.QtWidgets import QApplication, QDialog
+@endif
+
+# Important:
+# You need to run the following command to generate the ui_form.py file
+#     pyside6-uic form.ui -o ui_form.py, or
+#     pyside2-uic form.ui -o ui_form.py
+from ui_form import Ui_%{Class}
+
+@if '%{BaseCB}'
+class %{Class}(%{BaseCB}):
+@else
+class %{Class}:
+@endif
+    def __init__(self, parent=None):
+        super().__init__(parent)
+        self.ui = Ui_%{Class}()
+        self.ui.setupUi(self)
+
+
+if __name__ == "__main__":
+    app = QApplication(sys.argv)
+    widget = %{Class}()
+    widget.show()
+@if '%{PySideVersion}' === 'PySide6'
+    sys.exit(app.exec())
+@else
+    sys.exit(app.exec_())
+@endif

share/qtcreator/templates/wizards/projects/qtforpythonapplication/widget_gen/main.pyproject

@@ -0,0 +1,3 @@
+{
+    "files": ["%{SrcFileName}", "form.ui"]
+}

share/qtcreator/templates/wizards/projects/qtforpythonapplication/widget_gen/wizard.json

@@ -0,0 +1,110 @@
+{
+    "version": 1,
+    "supportedProjectTypes": [ "PythonProject" ],
+    "id": "F.QtForPythonApplicationWindowWidgetGen",
+    "category": "F.ApplicationPySide",
+    "trDescription": "Creates a Qt for Python application that includes a Qt Designer-based widget (ui file) - Requires .ui to Python conversion",
+    "trDisplayName": "Window UI",
+    "trDisplayCategory": "Application (Qt for Python)",
+    "icon": "../icons/icon.png",
+    "iconKind": "Themed",
+    "enabled": "%{JS: value('Plugins').indexOf('Python') >= 0}",
+
+    "options":
+    [
+        { "key": "SrcFileName", "value": "%{MainFileName}" },
+        { "key": "PyProjectFile", "value": "%{ProjectFileName}" }
+    ],
+
+    "pages":
+    [
+        {
+            "trDisplayName": "Project Location",
+            "trShortTitle": "Location",
+            "typeId": "Project",
+            "name": "ProjectPath"
+        },
+        {
+            "trDisplayName": "Define Class",
+            "trShortTitle": "Details",
+            "typeId": "Fields",
+            "data" :
+            [
+                {
+                    "name": "PySideVersion",
+                    "trDisplayName": "PySide version:",
+                    "type": "ComboBox",
+                    "data": { "items": [ "PySide2", "PySide6" ] }
+                },
+                {
+                    "name": "Class",
+                    "trDisplayName": "Class name:",
+                    "mandatory": true,
+                    "type": "LineEdit",
+                    "data":
+                    {
+                        "validator": "(?:(?:[a-zA-Z_][a-zA-Z_0-9]*::)*[a-zA-Z_][a-zA-Z_0-9]*|)",
+                        "trText": "%{JS: value('BaseCB') ? value('BaseCB').slice(1) : 'MyClass'}"
+                    }
+
+                },
+                {
+                    "name": "BaseCB",
+                    "trDisplayName": "Base class:",
+                    "type": "ComboBox",
+                    "data":
+                    {
+                        "items": [ "QWidget", "QDialog", "QMainWindow" ]
+                    }
+                },
+                {
+                    "name": "MainFileName",
+                    "type": "LineEdit",
+                    "trDisplayName": "Source file:",
+                    "mandatory": true,
+                    "data": { "trText": "%{JS: Cpp.classToFileName(value('Class'), Util.preferredSuffix('text/x-python'))}" }
+                },
+                {
+                    "name": "ProjectFileName",
+                    "type": "LineEdit",
+                    "trDisplayName": "Project file:",
+                    "mandatory": true,
+                    "data": { "trText": "%{JS: Util.fileName('%{ProjectName}', 'pyproject')}" }
+                }
+            ]
+        },
+        {
+            "trDisplayName": "Project Management",
+            "trShortTitle": "Summary",
+            "typeId": "Summary"
+        }
+    ],
+    "generators":
+    [
+        {
+            "typeId": "File",
+            "data":
+            [
+                {
+                    "source": "main.pyproject",
+                    "target": "%{PyProjectFile}",
+                    "openAsProject": true
+                },
+                {
+                    "source": "../main_widget_gen.py",
+                    "target": "%{SrcFileName}",
+                    "openInEditor": true
+                },
+                {
+                    "source": "../main_widget.ui",
+                    "target": "form.ui"
+                },
+                {
+                    "source": "../../git.ignore",
+                    "target": ".gitignore",
+                    "condition": "%{JS: !value('IsSubproject') && value('VersionControl') === 'G.Git'}"
+                }
+            ]
+        }
+    ]
+}