Initial import from the monolithic Qt.

This is the beginning of revision history for this module. If you
want to look at revision history older than this, please refer to the
Qt Git wiki for how to use Git history grafting. At the time of
writing, this wiki is located here:

http://qt.gitorious.org/qt/pages/GitIntroductionWithQt

If you have already performed the grafting and you don't see any
history beyond this commit, try running "git log" with the "--follow"
argument.

Branched from the monolithic repo, Qt master branch, at commit
896db169ea224deb96c59ce8af800d019de63f12

1 files changed, 383 insertions, 0 deletions

diff --git a/demos/mainwindow/toolbar.cpp b/demos/mainwindow/toolbar.cpp
new file mode 100644
index 0000000000..3c9a2bf75b
--- /dev/null
+++ b/demos/mainwindow/toolbar.cpp
@@ -0,0 +1,383 @@
+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the demonstration applications of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, 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.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#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();
+}