From cb961007c534b260b779ed513d33843a9dce01f4 Mon Sep 17 00:00:00 2001 From: J-P Nurmi Date: Tue, 27 Nov 2012 14:18:41 +0100 Subject: Examples: move widgets specific "tools" examples to the correct place examples/tools -> examples/widgets/tools Change-Id: I8b9e23c45e07ce5cd9da8f24a9a9f7ae10b2b107 Reviewed-by: hjk --- examples/tools/plugandpaint/mainwindow.cpp | 309 ----------------------------- 1 file changed, 309 deletions(-) delete mode 100644 examples/tools/plugandpaint/mainwindow.cpp (limited to 'examples/tools/plugandpaint/mainwindow.cpp') diff --git a/examples/tools/plugandpaint/mainwindow.cpp b/examples/tools/plugandpaint/mainwindow.cpp deleted file mode 100644 index 5626cdb82c..0000000000 --- a/examples/tools/plugandpaint/mainwindow.cpp +++ /dev/null @@ -1,309 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies). -** Contact: http://www.qt-project.org/legal -** -** This file is part of the examples of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:BSD$ -** 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 Digia Plc and its Subsidiary(-ies) 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 "interfaces.h" -#include "mainwindow.h" -#include "paintarea.h" -#include "plugindialog.h" - -#include -#include - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -MainWindow::MainWindow() : - paintArea(new PaintArea), - scrollArea(new QScrollArea) -{ - scrollArea->setBackgroundRole(QPalette::Dark); - scrollArea->setWidget(paintArea); - setCentralWidget(scrollArea); - - createActions(); - createMenus(); - loadPlugins(); - - setWindowTitle(tr("Plug & Paint")); - - if (!brushActionGroup->actions().isEmpty()) - brushActionGroup->actions().first()->trigger(); - - QTimer::singleShot(500, this, SLOT(aboutPlugins())); -} - -void MainWindow::open() -{ - const QString fileName = QFileDialog::getOpenFileName(this, - tr("Open File"), - QDir::currentPath()); - if (!fileName.isEmpty()) { - if (!paintArea->openImage(fileName)) { - QMessageBox::information(this, tr("Plug & Paint"), - tr("Cannot load %1.").arg(fileName)); - return; - } - paintArea->adjustSize(); - } -} - -bool MainWindow::saveAs() -{ - const QString initialPath = QDir::currentPath() + "/untitled.png"; - - const QString fileName = QFileDialog::getSaveFileName(this, tr("Save As"), - initialPath); - if (fileName.isEmpty()) { - return false; - } else { - return paintArea->saveImage(fileName, "png"); - } -} - -void MainWindow::brushColor() -{ - const QColor newColor = QColorDialog::getColor(paintArea->brushColor()); - if (newColor.isValid()) - paintArea->setBrushColor(newColor); -} - -void MainWindow::brushWidth() -{ - bool ok; - const int newWidth = QInputDialog::getInt(this, tr("Plug & Paint"), - tr("Select brush width:"), - paintArea->brushWidth(), - 1, 50, 1, &ok); - if (ok) - paintArea->setBrushWidth(newWidth); -} - -//! [0] -void MainWindow::changeBrush() -{ - QAction *action = qobject_cast(sender()); - BrushInterface *iBrush = qobject_cast(action->parent()); - const QString brush = action->text(); - - paintArea->setBrush(iBrush, brush); -} -//! [0] - -//! [1] -void MainWindow::insertShape() -{ - QAction *action = qobject_cast(sender()); - ShapeInterface *iShape = qobject_cast(action->parent()); - - const QPainterPath path = iShape->generateShape(action->text(), this); - if (!path.isEmpty()) - paintArea->insertShape(path); -} -//! [1] - -//! [2] -void MainWindow::applyFilter() -{ - QAction *action = qobject_cast(sender()); - FilterInterface *iFilter = - qobject_cast(action->parent()); - - const QImage image = iFilter->filterImage(action->text(), paintArea->image(), - this); - paintArea->setImage(image); -} -//! [2] - -void MainWindow::about() -{ - QMessageBox::about(this, tr("About Plug & Paint"), - tr("The Plug & Paint example demonstrates how to write Qt " - "applications that can be extended through plugins.")); -} - -//! [3] -void MainWindow::aboutPlugins() -{ - PluginDialog dialog(pluginsDir.path(), pluginFileNames, this); - dialog.exec(); -} -//! [3] - -void MainWindow::createActions() -{ - openAct = new QAction(tr("&Open..."), this); - openAct->setShortcuts(QKeySequence::Open); - connect(openAct, SIGNAL(triggered()), this, SLOT(open())); - - saveAsAct = new QAction(tr("&Save As..."), this); - saveAsAct->setShortcuts(QKeySequence::SaveAs); - connect(saveAsAct, SIGNAL(triggered()), this, SLOT(saveAs())); - - exitAct = new QAction(tr("E&xit"), this); - exitAct->setShortcuts(QKeySequence::Quit); - connect(exitAct, SIGNAL(triggered()), this, SLOT(close())); - - brushColorAct = new QAction(tr("&Brush Color..."), this); - connect(brushColorAct, SIGNAL(triggered()), this, SLOT(brushColor())); - - brushWidthAct = new QAction(tr("&Brush Width..."), this); - connect(brushWidthAct, SIGNAL(triggered()), this, SLOT(brushWidth())); - - brushActionGroup = new QActionGroup(this); - - aboutAct = new QAction(tr("&About"), this); - connect(aboutAct, SIGNAL(triggered()), this, SLOT(about())); - - aboutQtAct = new QAction(tr("About &Qt"), this); - connect(aboutQtAct, SIGNAL(triggered()), qApp, SLOT(aboutQt())); - - aboutPluginsAct = new QAction(tr("About &Plugins"), this); - connect(aboutPluginsAct, SIGNAL(triggered()), this, SLOT(aboutPlugins())); -} - -void MainWindow::createMenus() -{ - fileMenu = menuBar()->addMenu(tr("&File")); - fileMenu->addAction(openAct); - fileMenu->addAction(saveAsAct); - fileMenu->addSeparator(); - fileMenu->addAction(exitAct); - - brushMenu = menuBar()->addMenu(tr("&Brush")); - brushMenu->addAction(brushColorAct); - brushMenu->addAction(brushWidthAct); - brushMenu->addSeparator(); - - shapesMenu = menuBar()->addMenu(tr("&Shapes")); - - filterMenu = menuBar()->addMenu(tr("&Filter")); - - menuBar()->addSeparator(); - - helpMenu = menuBar()->addMenu(tr("&Help")); - helpMenu->addAction(aboutAct); - helpMenu->addAction(aboutQtAct); - helpMenu->addAction(aboutPluginsAct); -} - -//! [4] -void MainWindow::loadPlugins() -{ - foreach (QObject *plugin, QPluginLoader::staticInstances()) - populateMenus(plugin); -//! [4] //! [5] - - pluginsDir = QDir(qApp->applicationDirPath()); - -#if defined(Q_OS_WIN) - if (pluginsDir.dirName().toLower() == "debug" || pluginsDir.dirName().toLower() == "release") - pluginsDir.cdUp(); -#elif defined(Q_OS_MAC) - if (pluginsDir.dirName() == "MacOS") { - pluginsDir.cdUp(); - pluginsDir.cdUp(); - pluginsDir.cdUp(); - } -#endif - pluginsDir.cd("plugins"); -//! [5] - -//! [6] - foreach (QString fileName, pluginsDir.entryList(QDir::Files)) { - QPluginLoader loader(pluginsDir.absoluteFilePath(fileName)); - QObject *plugin = loader.instance(); - if (plugin) { - populateMenus(plugin); - pluginFileNames += fileName; -//! [6] //! [7] - } -//! [7] //! [8] - } -//! [8] - -//! [9] - brushMenu->setEnabled(!brushActionGroup->actions().isEmpty()); - shapesMenu->setEnabled(!shapesMenu->actions().isEmpty()); - filterMenu->setEnabled(!filterMenu->actions().isEmpty()); -} -//! [9] - -//! [10] -void MainWindow::populateMenus(QObject *plugin) -{ - BrushInterface *iBrush = qobject_cast(plugin); - if (iBrush) - addToMenu(plugin, iBrush->brushes(), brushMenu, SLOT(changeBrush()), - brushActionGroup); - - ShapeInterface *iShape = qobject_cast(plugin); - if (iShape) - addToMenu(plugin, iShape->shapes(), shapesMenu, SLOT(insertShape())); - - FilterInterface *iFilter = qobject_cast(plugin); - if (iFilter) - addToMenu(plugin, iFilter->filters(), filterMenu, SLOT(applyFilter())); -} -//! [10] - -void MainWindow::addToMenu(QObject *plugin, const QStringList &texts, - QMenu *menu, const char *member, - QActionGroup *actionGroup) -{ - foreach (QString text, texts) { - QAction *action = new QAction(text, plugin); - connect(action, SIGNAL(triggered()), this, member); - menu->addAction(action); - - if (actionGroup) { - action->setCheckable(true); - actionGroup->addAction(action); - } - } -} -- cgit v1.2.3