Doc: Make Qt Gui snippets compilable - textdocument-lists

Task-number: QTBUG-81486
Change-Id: I5f8017c7dc7fc735af83279ac340e3dfde68af89
Reviewed-by: Topi Reiniö <topi.reinio@qt.io>

3 files changed, 18 insertions, 135 deletions

diff --git a/src/gui/doc/snippets/snippets.pro b/src/gui/doc/snippets/snippets.pro
index cb75894561..86b4f8c9da 100644
--- a/src/gui/doc/snippets/snippets.pro
+++ b/src/gui/doc/snippets/snippets.pro
@@ -19,5 +19,6 @@ contains(QT_BUILD_PARTS, tests) {
         textdocument-imageformat \
         textdocument-images \
         textdocument-listitems \
-        textdocument-listitemstyles
+        textdocument-listitemstyles \
+        textdocument-lists
 }
diff --git a/src/gui/doc/snippets/textdocument-lists/mainwindow.cpp b/src/gui/doc/snippets/textdocument-lists/mainwindow.cpp
index 785f7ebcc9..5cb81c8721 100644
--- a/src/gui/doc/snippets/textdocument-lists/mainwindow.cpp
+++ b/src/gui/doc/snippets/textdocument-lists/mainwindow.cpp
@@ -47,138 +47,23 @@
 ** $QT_END_LICENSE$
 **
 ****************************************************************************/
+#include <QTextEdit>
+#include <QTextList>
 
-#include <QtWidgets>
-
-#include "mainwindow.h"
-
-MainWindow::MainWindow()
-{
-    QMenu *fileMenu = new QMenu(tr("&File"));
-
-    fileMenu->addAction(tr("E&xit"), this, SLOT(close()),
-        QKeySequence(tr("Ctrl+Q", "File|Exit")));
-
-    QMenu *editMenu = new QMenu(tr("&Edit"));
-
-    cutAction = editMenu->addAction(tr("Cu&t"), this, SLOT(cutSelection()),
-        QKeySequence(tr("Ctrl+X", "Edit|Cut")));
-    copyAction = editMenu->addAction(tr("&Copy"), this, SLOT(copySelection()),
-        QKeySequence(tr("Ctrl+C", "Edit|Copy")));
-    pasteAction = editMenu->addAction(tr("&Paste"), this,
-        SLOT(pasteSelection()), QKeySequence(tr("Ctrl+V", "Edit|Paste")));
-
-    QMenu *selectMenu = new QMenu(tr("&Select"));
-    selectMenu->addAction(tr("&Word"), this, SLOT(selectWord()));
-    selectMenu->addAction(tr("&Line"), this, SLOT(selectLine()));
-    selectMenu->addAction(tr("&Block"), this, SLOT(selectBlock()));
-    selectMenu->addAction(tr("&Frame"), this, SLOT(selectFrame()));
-
-    QMenu *insertMenu = new QMenu(tr("&Insert"));
-
-    insertMenu->addAction(tr("&List"), this, SLOT(insertList()),
-        QKeySequence(tr("Ctrl+L", "Insert|List")));
-
-    menuBar()->addMenu(fileMenu);
-    menuBar()->addMenu(editMenu);
-    menuBar()->addMenu(selectMenu);
-    menuBar()->addMenu(insertMenu);
-
-    editor = new QTextEdit(this);
-    document = new QTextDocument(this);
-    editor->setDocument(document);
-
-    connect(editor, &QTextEdit::selectionChanged,
-            this, &MainWindow::updateMenus);
-
-    updateMenus();
-
-    setCentralWidget(editor);
-    setWindowTitle(tr("Text Document Writer"));
-}
-
-void MainWindow::cutSelection()
-{
-    QTextCursor cursor = editor->textCursor();
-    if (cursor.hasSelection()) {
-        selection = cursor.selection();
-        cursor.removeSelectedText();
-    }
-}
-
-void MainWindow::copySelection()
-{
-    QTextCursor cursor = editor->textCursor();
-    if (cursor.hasSelection()) {
-        selection = cursor.selection();
-        cursor.clearSelection();
-    }
-}
-
-void MainWindow::pasteSelection()
-{
-    QTextCursor cursor = editor->textCursor();
-    cursor.insertFragment(selection);
-}
-
-void MainWindow::selectWord()
-{
-    QTextCursor cursor = editor->textCursor();
-    QTextBlock block = cursor.block();
-
-    cursor.beginEditBlock();
-    cursor.movePosition(QTextCursor::StartOfWord);
-    cursor.movePosition(QTextCursor::EndOfWord, QTextCursor::KeepAnchor);
-    cursor.endEditBlock();
-
-    editor->setTextCursor(cursor);
-}
-
-void MainWindow::selectLine()
+namespace textdocument_lists {
+struct MainWindow
 {
-    QTextCursor cursor = editor->textCursor();
-    QTextBlock block = cursor.block();
+    void insertList();
 
-    cursor.beginEditBlock();
-    cursor.movePosition(QTextCursor::StartOfLine);
-    cursor.movePosition(QTextCursor::EndOfLine, QTextCursor::KeepAnchor);
-    cursor.endEditBlock();
-
-    editor->setTextCursor(cursor);
-}
-
-void MainWindow::selectBlock()
-{
-    QTextCursor cursor = editor->textCursor();
-    QTextBlock block = cursor.block();
-
-    cursor.beginEditBlock();
-    cursor.movePosition(QTextCursor::StartOfBlock);
-    cursor.movePosition(QTextCursor::EndOfBlock, QTextCursor::KeepAnchor);
-    cursor.endEditBlock();
-
-    editor->setTextCursor(cursor);
-}
-
-void MainWindow::selectFrame()
-{
-    QTextCursor cursor = editor->textCursor();
-    QTextFrame *frame = cursor.currentFrame();
-
-    cursor.beginEditBlock();
-    cursor.setPosition(frame->firstPosition());
-    cursor.setPosition(frame->lastPosition(), QTextCursor::KeepAnchor);
-    cursor.endEditBlock();
-
-    editor->setTextCursor(cursor);
-}
+private:
+    QTextEdit *editor = nullptr;
+};
 
 void MainWindow::insertList()
 {
     QTextCursor cursor = editor->textCursor();
-    cursor.beginEditBlock();
-
     QTextList *list = cursor.currentList();
+
 //! [0]
     QTextListFormat listFormat;
     if (list) {
@@ -189,15 +74,6 @@ void MainWindow::insertList()
     listFormat.setStyle(QTextListFormat::ListDisc);
     cursor.insertList(listFormat);
 //! [0]
-
-    cursor.endEditBlock();
 }
 
-void MainWindow::updateMenus()
-{
-    QTextCursor cursor = editor->textCursor();
-    cutAction->setEnabled(cursor.hasSelection());
-    copyAction->setEnabled(cursor.hasSelection());
-
-    pasteAction->setEnabled(!selection.isEmpty());
-}
+} //textdocument_lists
diff --git a/src/gui/doc/snippets/textdocument-lists/textdocument-lists.pro b/src/gui/doc/snippets/textdocument-lists/textdocument-lists.pro
new file mode 100644
index 0000000000..c37654876c
--- /dev/null
+++ b/src/gui/doc/snippets/textdocument-lists/textdocument-lists.pro
@@ -0,0 +1,6 @@
+TEMPLATE = lib
+TARGET = textdocument-lists
+QT += core gui widgets
+
+SOURCES = \
+    mainwindow.cpp