Long live Qt 4.5!

1 files changed, 383 insertions, 0 deletions

diff --git a/demos/mainwindow/toolbar.cpp b/demos/mainwindow/toolbar.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (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 either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** 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 1.0, 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.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@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 = 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); }
+
+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();
+}