diff options
Diffstat (limited to 'examples/widgets/tools/undoframework/mainwindow.cpp')
-rw-r--r-- | examples/widgets/tools/undoframework/mainwindow.cpp | 142 |
1 files changed, 53 insertions, 89 deletions
diff --git a/examples/widgets/tools/undoframework/mainwindow.cpp b/examples/widgets/tools/undoframework/mainwindow.cpp index 583af11a2b..c2a6c1cff6 100644 --- a/examples/widgets/tools/undoframework/mainwindow.cpp +++ b/examples/widgets/tools/undoframework/mainwindow.cpp @@ -1,52 +1,5 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the examples 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." -** -** $QT_END_LICENSE$ -** -****************************************************************************/ +// Copyright (C) 2016 The Qt Company Ltd. +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause #include "mainwindow.h" #include "diagramscene.h" @@ -54,70 +7,75 @@ #include "commands.h" #include <QAction> +#include <QDockWidget> #include <QGraphicsView> #include <QMenu> #include <QMenuBar> #include <QMessageBox> +#include <QToolBar> #include <QUndoView> //! [0] MainWindow::MainWindow() { undoStack = new QUndoStack(this); + diagramScene = new DiagramScene(); + + const QBrush pixmapBrush(QPixmap(":/icons/cross.png").scaled(30, 30)); + diagramScene->setBackgroundBrush(pixmapBrush); + diagramScene->setSceneRect(QRect(0, 0, 500, 500)); createActions(); createMenus(); + createToolBars(); createUndoView(); - diagramScene = new DiagramScene(); - QBrush pixmapBrush(QPixmap(":/images/cross.png").scaled(30, 30)); - diagramScene->setBackgroundBrush(pixmapBrush); - diagramScene->setSceneRect(QRect(0, 0, 500, 500)); - connect(diagramScene, &DiagramScene::itemMoved, this, &MainWindow::itemMoved); + connect(diagramScene, &DiagramScene::selectionChanged, + this, &MainWindow::updateActions); setWindowTitle("Undo Framework"); QGraphicsView *view = new QGraphicsView(diagramScene); setCentralWidget(view); - resize(700, 500); + adjustSize(); } //! [0] //! [1] void MainWindow::createUndoView() { - undoView = new QUndoView(undoStack); - undoView->setWindowTitle(tr("Command List")); - undoView->show(); - undoView->setAttribute(Qt::WA_QuitOnClose, false); + QDockWidget *undoDockWidget = new QDockWidget; + undoDockWidget->setWindowTitle(tr("Command List")); + undoDockWidget->setWidget(new QUndoView(undoStack)); + addDockWidget(Qt::RightDockWidgetArea, undoDockWidget); } //! [1] //! [2] void MainWindow::createActions() { - deleteAction = new QAction(tr("&Delete Item"), this); + deleteAction = new QAction(QIcon(":/icons/remove.png"), tr("&Delete Item"), this); deleteAction->setShortcut(tr("Del")); connect(deleteAction, &QAction::triggered, this, &MainWindow::deleteItem); -//! [2] //! [3] +//! [2] -//! [3] //! [4] - addBoxAction = new QAction(tr("Add &Box"), this); -//! [4] + addBoxAction = new QAction(QIcon(":/icons/rectangle.png"), tr("Add &Box"), this); addBoxAction->setShortcut(tr("Ctrl+O")); connect(addBoxAction, &QAction::triggered, this, &MainWindow::addBox); - addTriangleAction = new QAction(tr("Add &Triangle"), this); + addTriangleAction = new QAction(QIcon(":/icons/triangle.png"), tr("Add &Triangle"), this); addTriangleAction->setShortcut(tr("Ctrl+T")); connect(addTriangleAction, &QAction::triggered, this, &MainWindow::addTriangle); //! [5] undoAction = undoStack->createUndoAction(this, tr("&Undo")); + undoAction->setIcon(QIcon(":/icons/undo.png")); undoAction->setShortcuts(QKeySequence::Undo); redoAction = undoStack->createRedoAction(this, tr("&Redo")); + redoAction->setIcon(QIcon(":/icons/redo.png")); redoAction->setShortcuts(QKeySequence::Redo); //! [5] @@ -130,46 +88,66 @@ void MainWindow::createActions() aboutShortcuts << tr("Ctrl+A") << tr("Ctrl+B"); aboutAction->setShortcuts(aboutShortcuts); connect(aboutAction, &QAction::triggered, this, &MainWindow::about); + +//! [6] + updateActions(); } +void MainWindow::updateActions() +{ + deleteAction->setEnabled(!diagramScene->selectedItems().isEmpty()); +} //! [6] + +//! [7] void MainWindow::createMenus() { -//! [6] fileMenu = menuBar()->addMenu(tr("&File")); fileMenu->addAction(exitAction); -//! [7] editMenu = menuBar()->addMenu(tr("&Edit")); editMenu->addAction(undoAction); editMenu->addAction(redoAction); editMenu->addSeparator(); editMenu->addAction(deleteAction); - connect(editMenu, &QMenu::aboutToShow, - this, &MainWindow::itemMenuAboutToShow); - connect(editMenu, &QMenu::aboutToHide, - this, &MainWindow::itemMenuAboutToHide); - //! [7] + itemMenu = menuBar()->addMenu(tr("&Item")); itemMenu->addAction(addBoxAction); itemMenu->addAction(addTriangleAction); +//! [8] helpMenu = menuBar()->addMenu(tr("&About")); helpMenu->addAction(aboutAction); -//! [8] } + +void MainWindow::createToolBars() +{ + QToolBar *editToolBar = new QToolBar; + editToolBar->addAction(undoAction); + editToolBar->addAction(redoAction); + editToolBar->addSeparator(); + editToolBar->addAction(deleteAction); //! [8] + QToolBar *itemToolBar = new QToolBar; + itemToolBar->addAction(addBoxAction); + itemToolBar->addAction(addTriangleAction); +//! [9] + addToolBar(editToolBar); + addToolBar(itemToolBar); +} //! [9] + +//! [11] void MainWindow::itemMoved(DiagramItem *movedItem, const QPointF &oldPosition) { undoStack->push(new MoveCommand(movedItem, oldPosition)); } -//! [9] +//! [11] -//! [10] +//! [12] void MainWindow::deleteItem() { if (diagramScene->selectedItems().isEmpty()) @@ -178,20 +156,6 @@ void MainWindow::deleteItem() QUndoCommand *deleteCommand = new DeleteCommand(diagramScene); undoStack->push(deleteCommand); } -//! [10] - -//! [11] -void MainWindow::itemMenuAboutToHide() -{ - deleteAction->setEnabled(true); -} -//! [11] - -//! [12] -void MainWindow::itemMenuAboutToShow() -{ - deleteAction->setEnabled(!diagramScene->selectedItems().isEmpty()); -} //! [12] //! [13] |