toolbar.cpp Example File
demos/mainwindow/toolbar.cpp
/****************************************************************************
**
** Copyright (C) 2004-2006 Trolltech AS. All rights reserved.
**
** This file is part of the documentation 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://www.trolltech.com/products/qt/opensource.html
**
** If you are unsure which license is appropriate for your use, please
** review the following information:
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** 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"));
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());
randomize();
}
void ToolBar::polishEvent(QEvent *)
{
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); }
