<?xml version="1.0" encoding="iso-8859-1"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "DTD/xhtml1-strict.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"> <head> <title>Qt 4.2: toolbar.cpp Example File (demos/mainwindow/toolbar.cpp)</title> <link href="classic.css" rel="stylesheet" type="text/css" /> </head> <body> <table border="0" cellpadding="0" cellspacing="0" width="100%"> <tr> <td align="left" valign="top" width="32"><a href="http://www.trolltech.com/products/qt"><img src="images/qt-logo.png" align="left" width="32" height="32" border="0" /></a></td> <td width="1"> </td><td class="postheader" valign="center"><a href="index.html"><font color="#004faf">Home</font></a> · <a href="classes.html"><font color="#004faf">All Classes</font></a> · <a href="mainclasses.html"><font color="#004faf">Main Classes</font></a> · <a href="groups.html"><font color="#004faf">Grouped Classes</font></a> · <a href="modules.html"><font color="#004faf">Modules</font></a> · <a href="functions.html"><font color="#004faf">Functions</font></a></td> <td align="right" valign="top" width="230"><a href="http://www.trolltech.com"><img src="images/trolltech-logo.png" align="right" width="203" height="32" border="0" /></a></td></tr></table><h1 align="center">toolbar.cpp Example File<br /><sup><sup>demos/mainwindow/toolbar.cpp</sup></sup></h1> <pre> /**************************************************************************** ** ** Copyright (C) 2004-2006 Trolltech ASA. All rights reserved. ** ** This file is part of the demonstration applications of the Qt Toolkit. ** ** This file may be used under the terms of the GNU General Public ** License version 2.0 as published by the Free Software Foundation ** and appearing in the file LICENSE.GPL included in the packaging of ** this file. Please review the following information to ensure GNU ** General Public Licensing requirements will be met: ** http:<span class="comment">//www.trolltech.com/products/qt/opensource.html</span> ** ** If you are unsure which license is appropriate for your use, please ** review the following information: ** http:<span class="comment">//www.trolltech.com/products/qt/licensing.html or contact the</span> ** sales department at sales@trolltech.com. ** ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. ** ****************************************************************************/ #include "toolbar.h" #include <QMainWindow> #include <QMenu> #include <QPainter> #include <QPainterPath> #include <QSpinBox> #include <stdlib.h> static QPixmap genIcon(const QSize &iconSize, const QString &, const QColor &color) { int w = iconSize.width(); int h = iconSize.height(); QImage image(w, h, QImage::Format_ARGB32_Premultiplied); image.fill(0); QPainter p(&image); extern void render_qt_text(QPainter *, int, int, const QColor &); render_qt_text(&p, w, h, color); return QPixmap::fromImage(image, Qt::DiffuseDither | Qt::DiffuseAlphaDither); } static QPixmap genIcon(const QSize &iconSize, int number, const QColor &color) { return genIcon(iconSize, QString::number(number), color); } ToolBar::ToolBar(QWidget *parent) : QToolBar(parent), spinbox(0), spinboxAction(0) { setWindowTitle(tr("Main Tool Bar")); setObjectName("MainToolBar"); setIconSize(QSize(32, 32)); QColor bg(palette().background().color()); menu = new QMenu("One", this); menu->setIcon(genIcon(iconSize(), 1, Qt::black)); menu->addAction(genIcon(iconSize(), "A", Qt::blue), "A"); menu->addAction(genIcon(iconSize(), "B", Qt::blue), "B"); menu->addAction(genIcon(iconSize(), "C", Qt::blue), "C"); addAction(menu->menuAction()); QAction *two = addAction(genIcon(iconSize(), 2, Qt::white), "Two"); QFont boldFont; boldFont.setBold(true); two->setFont(boldFont); addAction(genIcon(iconSize(), 3, Qt::red), "Three"); addAction(genIcon(iconSize(), 4, Qt::green), "Four"); addAction(genIcon(iconSize(), 5, Qt::blue), "Five"); addAction(genIcon(iconSize(), 6, Qt::yellow), "Six"); orderAction = new QAction(this); orderAction->setText(tr("Order Items in Tool Bar")); connect(orderAction, SIGNAL(triggered()), SLOT(order())); randomizeAction = new QAction(this); randomizeAction->setText(tr("Randomize Items in Tool Bar")); connect(randomizeAction, SIGNAL(triggered()), SLOT(randomize())); addSpinBoxAction = new QAction(this); addSpinBoxAction->setText(tr("Add Spin Box")); connect(addSpinBoxAction, SIGNAL(triggered()), SLOT(addSpinBox())); removeSpinBoxAction = new QAction(this); removeSpinBoxAction->setText(tr("Remove Spin Box")); removeSpinBoxAction->setEnabled(false); connect(removeSpinBoxAction, SIGNAL(triggered()), SLOT(removeSpinBox())); movableAction = new QAction(tr("Movable"), this); movableAction->setCheckable(true); connect(movableAction, SIGNAL(triggered(bool)), SLOT(changeMovable(bool))); allowedAreasActions = new QActionGroup(this); allowedAreasActions->setExclusive(false); allowLeftAction = new QAction(tr("Allow on Left"), this); allowLeftAction->setCheckable(true); connect(allowLeftAction, SIGNAL(triggered(bool)), SLOT(allowLeft(bool))); allowRightAction = new QAction(tr("Allow on Right"), this); allowRightAction->setCheckable(true); connect(allowRightAction, SIGNAL(triggered(bool)), SLOT(allowRight(bool))); allowTopAction = new QAction(tr("Allow on Top"), this); allowTopAction->setCheckable(true); connect(allowTopAction, SIGNAL(triggered(bool)), SLOT(allowTop(bool))); allowBottomAction = new QAction(tr("Allow on Bottom"), this); allowBottomAction->setCheckable(true); connect(allowBottomAction, SIGNAL(triggered(bool)), SLOT(allowBottom(bool))); allowedAreasActions->addAction(allowLeftAction); allowedAreasActions->addAction(allowRightAction); allowedAreasActions->addAction(allowTopAction); allowedAreasActions->addAction(allowBottomAction); areaActions = new QActionGroup(this); areaActions->setExclusive(true); leftAction = new QAction(tr("Place on Left") , this); leftAction->setCheckable(true); connect(leftAction, SIGNAL(triggered(bool)), SLOT(placeLeft(bool))); rightAction = new QAction(tr("Place on Right") , this); rightAction->setCheckable(true); connect(rightAction, SIGNAL(triggered(bool)), SLOT(placeRight(bool))); topAction = new QAction(tr("Place on Top") , this); topAction->setCheckable(true); connect(topAction, SIGNAL(triggered(bool)), SLOT(placeTop(bool))); bottomAction = new QAction(tr("Place on Bottom") , this); bottomAction->setCheckable(true); connect(bottomAction, SIGNAL(triggered(bool)), SLOT(placeBottom(bool))); areaActions->addAction(leftAction); areaActions->addAction(rightAction); areaActions->addAction(topAction); areaActions->addAction(bottomAction); connect(movableAction, SIGNAL(triggered(bool)), areaActions, SLOT(setEnabled(bool))); connect(movableAction, SIGNAL(triggered(bool)), allowedAreasActions, SLOT(setEnabled(bool))); menu = new QMenu(tr("&Toolbar"), this); menu->addAction(toggleViewAction()); menu->addSeparator(); menu->addAction(orderAction); menu->addAction(randomizeAction); menu->addSeparator(); menu->addAction(addSpinBoxAction); menu->addAction(removeSpinBoxAction); menu->addSeparator(); menu->addAction(movableAction); menu->addSeparator(); menu->addActions(allowedAreasActions->actions()); menu->addSeparator(); menu->addActions(areaActions->actions()); connect(menu, SIGNAL(aboutToShow()), this, SLOT(updateMenu())); randomize(); } void ToolBar::updateMenu() { QMainWindow *mainWindow = qobject_cast<QMainWindow *>(parentWidget()); Q_ASSERT(mainWindow != 0); const Qt::ToolBarArea area = mainWindow->toolBarArea(this); const Qt::ToolBarAreas areas = allowedAreas(); movableAction->setChecked(isMovable()); allowLeftAction->setChecked(isAreaAllowed(Qt::LeftToolBarArea)); allowRightAction->setChecked(isAreaAllowed(Qt::RightToolBarArea)); allowTopAction->setChecked(isAreaAllowed(Qt::TopToolBarArea)); allowBottomAction->setChecked(isAreaAllowed(Qt::BottomToolBarArea)); if (allowedAreasActions->isEnabled()) { allowLeftAction->setEnabled(area != Qt::LeftToolBarArea); allowRightAction->setEnabled(area != Qt::RightToolBarArea); allowTopAction->setEnabled(area != Qt::TopToolBarArea); allowBottomAction->setEnabled(area != Qt::BottomToolBarArea); } leftAction->setChecked(area == Qt::LeftToolBarArea); rightAction->setChecked(area == Qt::RightToolBarArea); topAction->setChecked(area == Qt::TopToolBarArea); bottomAction->setChecked(area == Qt::BottomToolBarArea); if (areaActions->isEnabled()) { leftAction->setEnabled(areas & Qt::LeftToolBarArea); rightAction->setEnabled(areas & Qt::RightToolBarArea); topAction->setEnabled(areas & Qt::TopToolBarArea); bottomAction->setEnabled(areas & Qt::BottomToolBarArea); } } void ToolBar::order() { QList<QAction *> ordered, actions1 = actions(), actions2 = qFindChildren<QAction *>(this); while (!actions2.isEmpty()) { QAction *action = actions2.takeFirst(); if (!actions1.contains(action)) continue; actions1.removeAll(action); ordered.append(action); } clear(); addActions(ordered); orderAction->setEnabled(false); } void ToolBar::randomize() { QList<QAction *> randomized, actions = this->actions(); while (!actions.isEmpty()) { QAction *action = actions.takeAt(rand() % actions.size()); randomized.append(action); } clear(); addActions(randomized); orderAction->setEnabled(true); } void ToolBar::addSpinBox() { if (!spinbox) { spinbox = new QSpinBox(this); } if (!spinboxAction) spinboxAction = addWidget(spinbox); else addAction(spinboxAction); addSpinBoxAction->setEnabled(false); removeSpinBoxAction->setEnabled(true); } void ToolBar::removeSpinBox() { if (spinboxAction) removeAction(spinboxAction); addSpinBoxAction->setEnabled(true); removeSpinBoxAction->setEnabled(false); } void ToolBar::allow(Qt::ToolBarArea area, bool a) { Qt::ToolBarAreas areas = allowedAreas(); areas = a ? areas | area : areas & ~area; setAllowedAreas(areas); if (areaActions->isEnabled()) { leftAction->setEnabled(areas & Qt::LeftToolBarArea); rightAction->setEnabled(areas & Qt::RightToolBarArea); topAction->setEnabled(areas & Qt::TopToolBarArea); bottomAction->setEnabled(areas & Qt::BottomToolBarArea); } } void ToolBar::place(Qt::ToolBarArea area, bool p) { if (!p) return; QMainWindow *mainWindow = qobject_cast<QMainWindow *>(parentWidget()); Q_ASSERT(mainWindow != 0); mainWindow->addToolBar(area, this); if (allowedAreasActions->isEnabled()) { allowLeftAction->setEnabled(area != Qt::LeftToolBarArea); allowRightAction->setEnabled(area != Qt::RightToolBarArea); allowTopAction->setEnabled(area != Qt::TopToolBarArea); allowBottomAction->setEnabled(area != Qt::BottomToolBarArea); } } void ToolBar::changeMovable(bool movable) { setMovable(movable); } void ToolBar::allowLeft(bool a) { allow(Qt::LeftToolBarArea, a); } void ToolBar::allowRight(bool a) { allow(Qt::RightToolBarArea, a); } void ToolBar::allowTop(bool a) { allow(Qt::TopToolBarArea, a); } void ToolBar::allowBottom(bool a) { allow(Qt::BottomToolBarArea, a); } void ToolBar::placeLeft(bool p) { place(Qt::LeftToolBarArea, p); } void ToolBar::placeRight(bool p) { place(Qt::RightToolBarArea, p); } void ToolBar::placeTop(bool p) { place(Qt::TopToolBarArea, p); } void ToolBar::placeBottom(bool p) { place(Qt::BottomToolBarArea, p); }</pre> <p /><address><hr /><div align="center"> <table width="100%" cellspacing="0" border="0"><tr class="address"> <td width="30%">Copyright © 2006 <a href="trolltech.html">Trolltech</a></td> <td width="40%" align="center"><a href="trademarks.html">Trademarks</a></td> <td width="30%" align="right"><div align="right">Qt 4.2.1</div></td> </tr></table></div></address></body> </html>