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qt5base-lts/examples/mainwindows/mainwindow/toolbar.cpp
Jason McDonald 5635823e17 Remove "All rights reserved" line from license headers. 
As in the past, to avoid rewriting various autotests that contain
line-number information, an extra blank line has been inserted at the
end of the license text to ensure that this commit does not change the
total number of lines in the license header.

Change-Id: I311e001373776812699d6efc045b5f742890c689
Reviewed-by: Rohan McGovern <rohan.mcgovern@nokia.com>
2012-01-30 03:54:59 +01:00

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/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/
**
** This file is part of the demonstration applications of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** This file may be used under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this
** file. Please review the following information to ensure the GNU Lesser
** General Public License version 2.1 requirements will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 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 the GNU General
** Public License version 3.0 requirements will be met:
** http://www.gnu.org/copyleft/gpl.html.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "toolbar.h"
#include <QMainWindow>
#include <QMenu>
#include <QPainter>
#include <QPainterPath>
#include <QSpinBox>
#include <QLabel>
#include <QToolTip>
#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(const QString &title, QWidget *parent)
: QToolBar(parent), spinbox(0), spinboxAction(0)
{
tip = 0;
setWindowTitle(title);
setObjectName(title);
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);
toolBarBreakAction = new QAction(tr("Insert break"), this);
connect(toolBarBreakAction, SIGNAL(triggered(bool)), this, SLOT(insertToolBarBreak()));
connect(movableAction, SIGNAL(triggered(bool)), areaActions, SLOT(setEnabled(bool)));
connect(movableAction, SIGNAL(triggered(bool)), allowedAreasActions, SLOT(setEnabled(bool)));
menu = new QMenu(title, 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());
menu->addSeparator();
menu->addAction(toolBarBreakAction);
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 = findChildren<QAction *>();
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); }
void ToolBar::insertToolBarBreak()
{
QMainWindow *mainWindow = qobject_cast<QMainWindow *>(parentWidget());
Q_ASSERT(mainWindow != 0);
mainWindow->insertToolBarBreak(this);
}
void ToolBar::enterEvent(QEvent*)
{
/*
These labels on top of toolbars look darn ugly
if (tip == 0) {
tip = new QLabel(windowTitle(), this);
QPalette pal = tip->palette();
QColor c = Qt::black;
c.setAlpha(100);
pal.setColor(QPalette::Window, c);
pal.setColor(QPalette::Foreground, Qt::white);
tip->setPalette(pal);
tip->setAutoFillBackground(true);
tip->setMargin(3);
tip->setText(windowTitle());
}
QPoint c = rect().center();
QSize hint = tip->sizeHint();
tip->setGeometry(c.x() - hint.width()/2, c.y() - hint.height()/2,
hint.width(), hint.height());
tip->show();
*/
}
void ToolBar::leaveEvent(QEvent*)
{
if (tip != 0)
tip->hide();
}
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