Docs: reorder extra documentation to be module bound

Slim down the many unneeded extra files / dirs we've had. It only adds
to the confusion having every tiny thing separated into a specific file
or extra subfolder.

All non-main modules (extras) now take simply doc/ without src/

Task-number: QTBUG-125406
Pick-to: 6.8
Change-Id: If3e5206a486726f43f8a38285b7dd0f1fff81a88
Reviewed-by:  Alexey Edelev <alexey.edelev@qt.io>

src/grpc/doc/qtgrpc.qdocconf

@@ -39,16 +39,15 @@ qhp.QtGrpc.subprojects.manual.type = manual
 depends += qtdoc qtcore qtnetwork qtwidgets qtprotobuf qtcmake qtqml
 
 {headerdirs,sourcedirs}  += .. \
-                            ../../tools/doc/src \
-                            ../../tools/qtgrpcgen/doc/src \
                             ../../grpcquick
 
+# Add additional documentation dirs
+sourcedirs  += ../../tools/doc
 
-exampledirs +=  ../../tools/qtgrpcgen/doc/src/snippets \
+exampledirs += src/snippets \
                ../../../examples/grpc
 
-imagedirs   += images \
-               ../../../examples/grpc/doc/images
+imagedirs   += ../../../examples/grpc/doc/images
 
 navigation.landingpage = "Qt GRPC"
 navigation.cppclassespage = "Qt GRPC C++ Classes"

src/grpc/doc/src/qt-add-grpc.qdoc

@@ -2,7 +2,7 @@
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GFDL-1.3-no-invariants-only
 
 /*!
-\page qt_add_grpc.html
+\page qt-add-grpc.html
 \ingroup cmake-commands-qtgrpc
 
 \title qt_add_grpc
@@ -76,9 +76,9 @@ target to the protobuf one:
     \li \c TARGET_TYPE is the type of gRPC code to be generated.
         Although gRPC supports a client-server architecture, only
         CLIENT source code can be generated.
-    \include qtgrpcgen-options.qdocinc 0
-    \include qtprotoccommon-options.qdocinc 0
-    \include qtprotogen-cmake-options.qdocinc 0
+    \include qtgrpcgen.qdocinc 0
+    \include qtprotoccommon.qdocinc 0
+    \include qtprotoccommon.qdocinc 1
 \endlist
 
 \sa{The qtgrpcgen Tool}

src/grpc/doc/src/qtgrpcgen.qdoc

@@ -61,7 +61,7 @@ Options have direct aliases in the \l{qt_add_grpc} function. The following
 options are supported:
 
 \list
-    \include qtprotoccommon-options.qdocinc 0
-    \include qtgrpcgen-options.qdocinc 0
+    \include qtprotoccommon.qdocinc 0
+    \include qtgrpcgen.qdocinc 0
 \endlist
 */

src/protobuf/doc/qtprotobuf.qdocconf

@@ -60,11 +60,11 @@ depends += qtdoc qtcore qtgui qtcmake qtgrpc qtwidgets qtqml qtquickcontrols
 {headerdirs,sourcedirs} += .. \
                            ../../protobufqttypes \
                            ../../wellknown
-sourcedirs += ../../tools/doc/src \
-              ../../tools/qtprotobufgen/doc/src
 
-exampledirs +=  ../../../examples/protobuf \
-                ../../tools/qtprotobufgen/doc/src/snippets
+# Add additional documentation dirs
+sourcedirs  += ../../tools/doc
+
+exampledirs += ../../../examples/protobuf
 
 imagedirs   += images \
                ../../../examples/protobuf/sensors/doc/images

src/protobuf/doc/src/qt-add-protobuf.qdoc

@@ -35,7 +35,7 @@ link to.
 
 \section1 Arguments
 \list
-    \include qtprotoccommon-options.qdocinc 0
+    \include qtprotoccommon.qdocinc 0
     \li \c QML enables QProtobufMessage types in QML context by registering
         them as a QML module.
         Protobuf types can extend an existing QML module:
@@ -93,8 +93,8 @@ link to.
         \c QML_URI or proto package name, because it leads to import error
         in QML context.
 
-    \include qtprotogen-options.qdocinc 0
-    \include qtprotogen-cmake-options.qdocinc 0
+    \include qtprotobufgen.qdocinc 0
+    \include qtprotoccommon.qdocinc 1
 \endlist
 
 \sa{The qtprotobufgen Tool}

src/protobuf/doc/src/qtprotobufgen.qdoc

@@ -64,7 +64,7 @@ Options have direct aliases in the \l{qt_add_protobuf} function. The following
 options are supported:
 
 \list
-    \include qtprotoccommon-options.qdocinc 0
-    \include qtprotogen-options.qdocinc 0
+    \include qtprotoccommon.qdocinc 0
+    \include qtprotobufgen.qdocinc 0
 \endlist
 */

src/tools/doc/qtprotoccommon.qdocinc

@@ -18,3 +18,19 @@ the generation of the file containing the macro definitions. If
 \c macro_output_file is not set, the option falls back to the old syntax
 handling.
 //! [0]
+
+//! [1]
+\li \c PROTO_FILES is the list of \c .proto files that will be used in the
+generation procedure.
+\li \c PROTO_INCLUDES is the list of directories that will be searched for
+dependencies.
+\li \c OUTPUT_DIRECTORY is the directory where the generated files will be
+put. By default, the current directory (while evaluating the function) is
+used.
+\li \c OUTPUT_HEADERS can be used to specify a variable that will
+hold the list of headers created by the function. This list can be useful for
+custom project install rules.
+\li \c OUTPUT_TARGETS can be used to specify a variable that will
+hold the list of targets created by the function. This list can be useful for
+custom project install rules.
+//! [1]

src/tools/doc/src/qtprotogen-cmake-options.qdocinc

@@ -1,18 +0,0 @@
-// Copyright (C) 2022 The Qt Company Ltd.
-// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GFDL-1.3-no-invariants-only
-
-//! [0]
-\li \c PROTO_FILES is the list of \c .proto files that will be used in the
-generation procedure.
-\li \c PROTO_INCLUDES is the list of directories that will be searched for
-dependencies.
-\li \c OUTPUT_DIRECTORY is the directory where the generated files will be
-put. By default, the current directory (while evaluating the function) is
-used.
-\li \c OUTPUT_HEADERS can be used to specify a variable that will
-hold the list of headers created by the function. This list can be useful for
-custom project install rules.
-\li \c OUTPUT_TARGETS can be used to specify a variable that will
-hold the list of targets created by the function. This list can be useful for
-custom project install rules.
-//! [0]