CMake: Port the snippet project setup to CMake

Change-Id: I411e58e94752f3b2d0a3e8aac0ab7c4c2272db89
Fixes: QTBUG-89826
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
Reviewed-by: Paul Wicking <paul.wicking@qt.io>
Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>

src/network/CMakeLists.txt

@@ -432,3 +432,8 @@ qt_internal_add_docs(Network
 qt_internal_extend_target(Network CONDITION WIN32 PUBLIC_LIBRARIES ws2_32) # special case: mkspecs/common/msvc-desktop.conf
 
 qt_internal_extend_target(Network CONDITION QNX PUBLIC_LIBRARIES socket) # special case: mkspecs/common/qcc-base-qnx.conf
+
+# include the snippet projects for developer-builds
+if(QT_FEATURE_private_tests)
+    add_subdirectory(doc/snippets/network)
+endif()

src/network/doc/snippets/network/CMakeLists.txt

@@ -0,0 +1,5 @@
+add_library(network_cppsnippets OBJECT tcpwait.cpp)
+
+target_link_libraries(network_cppsnippets PRIVATE
+    Qt::Network
+)

src/network/doc/snippets/network/tcpwait.cpp

@@ -48,13 +48,10 @@
 **
 ****************************************************************************/
 
-#include <QCoreApplication>
 #include <QTcpSocket>
 
-int main(int argv, char **args)
+void test_tcpwait()
 {
-    QCoreApplication app(argv, args);
-
     QTcpSocket socket;
     socket.connectToHost("localhost", 1025);
 
@@ -72,6 +69,4 @@ int main(int argv, char **args)
             break;
     }
 //! [0]
-
-    return app.exec();
 }

src/sql/CMakeLists.txt

@@ -55,3 +55,8 @@ qt_internal_add_docs(Sql
     doc/qtsql.qdocconf
 )
 
+# include the snippet projects for developer-builds
+if(QT_FEATURE_private_tests)
+    add_subdirectory(doc/snippets/code)
+    add_subdirectory(doc/snippets/sqldatabase)
+endif()

src/sql/doc/snippets/code/CMakeLists.txt

@@ -0,0 +1,13 @@
+add_library(code_snippets OBJECT
+    doc_src_sql-driver.cpp
+    src_sql_kernel_qsqldatabase.cpp
+    src_sql_kernel_qsqlerror.cpp
+    src_sql_kernel_qsqlresult.cpp
+    src_sql_kernel_qsqldriver.cpp
+    src_sql_models_qsqlquerymodel.cpp
+)
+
+target_link_libraries(code_snippets PRIVATE
+    Qt::Core
+    Qt::Sql
+)

src/sql/doc/snippets/sqldatabase/CMakeLists.txt

@@ -0,0 +1,8 @@
+add_library(sqldatabase_snippets OBJECT
+    sqldatabase.cpp
+)
+
+target_link_libraries(sqldatabase_snippets PRIVATE
+    Qt::Core
+    Qt::Sql
+)

src/testlib/CMakeLists.txt

@@ -133,3 +133,8 @@ qt_internal_add_docs(Test
 # special case begin
 qt_internal_apply_testlib_coverage_options(Test)
 # special case end
+
+# include the snippet projects for developer-builds
+if(QT_FEATURE_private_tests)
+    add_subdirectory(doc/snippets/code)
+endif()

src/testlib/doc/snippets/code/CMakeLists.txt

@@ -0,0 +1,26 @@
+add_library(testlib_code_snippets OBJECT
+    doc_src_qtqskip.cpp
+    doc_src_qttest.cpp
+    src_corelib_kernel_qtestsupport_core.cpp
+)
+
+target_link_libraries(testlib_code_snippets PRIVATE
+    Qt::Core
+    Qt::Test
+)
+
+qt_internal_extend_target(testlib_code_snippets CONDITION QT_FEATURE_gui AND QT_FEATURE_sql
+    SOURCES
+        doc_src_qtestlib.cpp
+    PUBLIC_LIBRARIES
+        Qt::Gui
+        Qt::Sql
+)
+
+qt_internal_extend_target(testlib_code_snippets CONDITION QT_FEATURE_widgets
+    SOURCES
+        doc_src_qtestevent.cpp
+        doc_src_qtestevent.h
+    PUBLIC_LIBRARIES
+        Qt::Widgets
+)

src/testlib/doc/snippets/code/doc_src_qtestevent.cpp

@@ -51,13 +51,7 @@
 #include <QTest>
 #include <QLineEdit>
 
-// dummy
-class TestGui: public QObject
-{
-    Q_OBJECT
-public:
-    void testGui_data();
-};
+#include "doc_src_qtestevent.h"
 
 void TestGui::testGui_data()
 {

src/testlib/doc/snippets/code/doc_src_qtestevent.h

@@ -0,0 +1,58 @@
+/****************************************************************************
+**
+** Copyright (C) 2021 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the documentation of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** 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.
+**
+** BSD License Usage
+** Alternatively, you may use this file under the terms of the BSD license
+** as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+**   * Redistributions of source code must retain the above copyright
+**     notice, this list of conditions and the following disclaimer.
+**   * Redistributions in binary form must reproduce the above copyright
+**     notice, this list of conditions and the following disclaimer in
+**     the documentation and/or other materials provided with the
+**     distribution.
+**   * Neither the name of The Qt Company Ltd nor the names of its
+**     contributors may be used to endorse or promote products derived
+**     from this software without specific prior written permission.
+**
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+#include <QObject>
+
+// dummy
+class TestGui: public QObject
+{
+    Q_OBJECT
+public:
+    void testGui_data();
+};

src/testlib/doc/snippets/code/src_qtestlib_qtestcase.cpp

@@ -49,7 +49,7 @@
 ****************************************************************************/
 #include <QTest>
 #include <QSqlDatabase>
-#include <QtGui/qfontdatabase.h>
+#include <QFontDatabase>
 
 #include <initializer_list>
 

src/widgets/CMakeLists.txt

@@ -824,3 +824,14 @@ qt_internal_add_docs(Widgets
     doc/qtwidgets.qdocconf
 )
 
+# include the snippet projects for developer-builds
+if(QT_FEATURE_private_tests)
+    add_subdirectory(doc/snippets/customviewstyle)
+    add_subdirectory(doc/snippets/filedialogurls)
+    add_subdirectory(doc/snippets/graphicssceneadditem)
+    if(QT_FEATURE_opengl AND QT_FEATURE_printsupport)
+        add_subdirectory(doc/snippets/graphicsview)
+    endif()
+    add_subdirectory(doc/snippets/mdiarea)
+    add_subdirectory(doc/snippets/myscrollarea)
+endif()

src/widgets/doc/snippets/customstyle/customstyle.cpp

@@ -52,7 +52,7 @@
 
 #include "customstyle.h"
 
-CustomStyle::CustomStyle()
+CustomStyle::CustomStyle(const QWidget *widget)
 {
 //! [0]
     const QSpinBox *spinBox = qobject_cast<const QSpinBox *>(widget);

src/widgets/doc/snippets/customstyle/customstyle.h

@@ -59,7 +59,7 @@ class CustomStyle : public QProxyStyle
     Q_OBJECT
 
 public:
-    CustomStyle();
+    CustomStyle(const QWidget *widget);
     ~CustomStyle() {}
 
     void drawPrimitive(PrimitiveElement element, const QStyleOption *option,

src/widgets/doc/snippets/customviewstyle/CMakeLists.txt

@@ -0,0 +1,11 @@
+add_library(widgets_customviewstyle_snippets OBJECT
+    ../customstyle/customstyle.h
+    ../customstyle/customstyle.cpp
+    customviewstyle.cpp
+)
+
+target_link_libraries(widgets_customviewstyle_snippets PRIVATE
+    Qt::Core
+    Qt::Gui
+    Qt::Widgets
+)

src/widgets/doc/snippets/filedialogurls/CMakeLists.txt

@@ -0,0 +1,9 @@
+add_library(widgets_filedialogurl_snippets OBJECT
+    filedialogurls.cpp
+)
+
+target_link_libraries(widgets_filedialogurl_snippets PRIVATE
+    Qt::Core
+    Qt::Gui
+    Qt::Widgets
+)

src/widgets/doc/snippets/graphicssceneadditem/CMakeLists.txt

@@ -0,0 +1,9 @@
+add_library(widgets_graphicssceneadditem_snippets OBJECT
+    graphicssceneadditemsnippet.cpp
+)
+
+target_link_libraries(widgets_graphicssceneadditem_snippets PRIVATE
+    Qt::Core
+    Qt::Gui
+    Qt::Widgets
+)

src/widgets/doc/snippets/graphicsview/CMakeLists.txt

@@ -0,0 +1,12 @@
+add_library(widgets_graphicsview_snippets OBJECT
+    graphicsview.cpp
+)
+
+target_link_libraries(widgets_graphicsview_snippets PRIVATE
+    Qt::Core
+    Qt::Gui
+    Qt::Widgets
+    Qt::OpenGL
+    Qt::OpenGLWidgets
+    Qt::PrintSupport
+)

src/widgets/doc/snippets/mdiarea/CMakeLists.txt

@@ -0,0 +1,9 @@
+add_library(widgets_mdiarea_snippets OBJECT
+    mdiareasnippets.cpp
+)
+
+target_link_libraries(widgets_mdiarea_snippets PRIVATE
+    Qt::Core
+    Qt::Gui
+    Qt::Widgets
+)

src/widgets/doc/snippets/myscrollarea/CMakeLists.txt

@@ -0,0 +1,9 @@
+add_library(widgets_myscrollarea_snippets OBJECT
+    myscrollarea.cpp
+)
+
+target_link_libraries(widgets_myscrollarea_snippets PRIVATE
+    Qt::Core
+    Qt::Gui
+    Qt::Widgets
+)