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Doc: Make Qt Gui snippets compilable - textdocument-lists 

Task-number: QTBUG-81486
Change-Id: I5f8017c7dc7fc735af83279ac340e3dfde68af89
Reviewed-by: Topi Reiniö <topi.reinio@qt.io>
bb10
Nico Vertriest 2020-08-05 11:18:33 +02:00 committed by Paul Wicking
parent fec48857e8
commit fcea9d4b72
3 changed files with 18 additions and 135 deletions
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3
src/gui/doc/snippets/snippets.pro
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@ -19,5 +19,6 @@ contains(QT_BUILD_PARTS, tests) {
textdocument-imageformat \
textdocument-images \
textdocument-listitems \
textdocument-listitemstyles
textdocument-listitemstyles \
textdocument-lists
}

144
src/gui/doc/snippets/textdocument-lists/mainwindow.cpp
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@ -47,138 +47,23 @@
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QTextEdit>
#include <QTextList>
#include <QtWidgets>
#include "mainwindow.h"
MainWindow::MainWindow()
namespace textdocument_lists {
struct MainWindow
{
QMenu *fileMenu = new QMenu(tr("&File"));
void insertList();
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()
{
QTextCursor cursor = editor->textCursor();
QTextBlock block = cursor.block();
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

6
src/gui/doc/snippets/textdocument-lists/textdocument-lists.pro Normal file
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@ -0,0 +1,6 @@
TEMPLATE = lib
TARGET = textdocument-lists
QT += core gui widgets
SOURCES = \
mainwindow.cpp