Solutions: Add a common Solutions page

Add also The Tasking solution page. Add some hints into README.md file.

Change-Id: I4e355c95977d668fbc2f7bd286f9446e4e4b1f69
Reviewed-by: Jarek Kobus <jaroslaw.kobus@qt.io>

doc/qtcreatordev/src/qtcreator-module.qdoc

@@ -1,4 +1,4 @@
-// Copyright (C) 2020 The Qt Company Ltd.
+// Copyright (C) 2023 The Qt Company Ltd.
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GFDL-1.3-no-invariants-only
 
 /*!
@@ -109,12 +109,29 @@
     \endomit
     \endtable
 
+    \section1 Solutions
+
+    \QC uses object libraries that are independent of any \QC-specific code, and
+    are threfore ready to be a part of Qt.
+
+    \table
+        \header
+            \li Solution Name
+            \li Description
+
+        \row
+            \li \l{Tasking Solution}{Tasking}
+            \li Enables you to build extensible, declarative task tree structures
+                that contain possibly asynchronous tasks.
+    \endtable
+
     \section1 Reference
 
     \list
         \li \l {Qt Creator C++ Classes}
         \li \l {Qt Creator Namespaces}
         \li \l {Qt Creator Functions}
+        \li \l {Solutions}
     \endlist
 */
 

doc/qtcreatordev/src/solutions-index.qdoc

@@ -0,0 +1,12 @@
+// Copyright (C) 2023 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
+
+/*!
+    \page solutions-index.html
+    \title Solutions
+    \brief A collection of reusable object libraries.
+
+    This topic lists the available solutions:
+
+    \annotatedlist solutions-modules
+*/

src/libs/solutions/README.md

@@ -46,3 +46,23 @@ integrated into Qt when they:
 - Have full docs.
 - Have auto tests.
 - Have at least one example (however, autotests often play this role, too).
+
+## Documentation
+
+The common Solutions doc (doc/qtcreatordev/src/solutions-index.qdoc)
+lists all the solutions added to the solutions-modules group.
+In order to gather all the available solutions in this common page,
+define the module and refer to it like:
+
+/*!
+    \module TaskingSolution
+    \title The Tasking Solution
+    \ingroup solutions-modules
+    \brief (... add a brief description here...)
+*/
+
+The \ingroup will put the item above to the common Solutions page.
+Don't add more \ingroup references from class docs, add \inmodule instead.
+
+
+

src/libs/solutions/tasking/tasktree.cpp

@@ -42,11 +42,25 @@ private:
     Guard &m_guard;
 };
 
+/*!
+    \module TaskingSolution
+    \title Tasking Solution
+    \ingroup solutions-modules
+    \brief Contains a general purpose Tasking solution.
+
+    The Tasking solution depends on Qt only, and doesn't depend on any \QC specific code.
+*/
+
+/*!
+    \namespace Tasking
+    \inmodule TaskingSolution
+    \brief The Tasking namespace encloses all classes and global functions of the Tasking solution.
+*/
+
 /*!
     \class Tasking::GroupItem
     \inheaderfile solutions/tasking/tasktree.h
-    \inmodule QtCreator
+    \inmodule TaskingSolution
-    \ingroup mainclasses
     \brief The GroupItem class represents the basic element for composing nested tree structures.
 */
 
@@ -1104,22 +1118,11 @@ void TaskNode::invokeEndHandler(bool success)
     m_container.m_constData.m_taskTreePrivate->advanceProgress(1);
 }
 
-/*!
-    \namespace Tasking
-    \inmodule QtCreator
-    \brief The Tasking namespace contains a general purpose TaskTree solution.
-
-    The Tasking namespace depends on Qt only, and doesn't depend on any \QC
-    specific code.
-*/
-
 /*!
     \class Tasking::TaskTree
     \inheaderfile solutions/tasking/tasktree.h
-    \inmodule QtCreator
+    \inmodule TaskingSolution
-    \ingroup mainclasses
+    \brief The TaskTree class runs an async task tree structure defined in a declarative way.
-    \brief The TaskTree class runs an async task tree structure defined in a
-           declarative way.
 
     Use the Tasking namespace to build extensible, declarative task tree
     structures that contain possibly asynchronous tasks, such as Process,