Long live Qt 4.5!

1 files changed, 262 insertions, 0 deletions

diff --git a/examples/painting/basicdrawing/window.cpp b/examples/painting/basicdrawing/window.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 examples 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 <QtGui>
+
+#include "renderarea.h"
+#include "window.h"
+
+//! [0]
+const int IdRole = Qt::UserRole;
+//! [0]
+
+//! [1]
+Window::Window()
+{
+    renderArea = new RenderArea;
+
+    shapeComboBox = new QComboBox;
+    shapeComboBox->addItem(tr("Polygon"), RenderArea::Polygon);
+    shapeComboBox->addItem(tr("Rectangle"), RenderArea::Rect);
+    shapeComboBox->addItem(tr("Rounded Rectangle"), RenderArea::RoundedRect);
+    shapeComboBox->addItem(tr("Ellipse"), RenderArea::Ellipse);
+    shapeComboBox->addItem(tr("Pie"), RenderArea::Pie);
+    shapeComboBox->addItem(tr("Chord"), RenderArea::Chord);
+    shapeComboBox->addItem(tr("Path"), RenderArea::Path);
+    shapeComboBox->addItem(tr("Line"), RenderArea::Line);
+    shapeComboBox->addItem(tr("Polyline"), RenderArea::Polyline);
+    shapeComboBox->addItem(tr("Arc"), RenderArea::Arc);
+    shapeComboBox->addItem(tr("Points"), RenderArea::Points);
+    shapeComboBox->addItem(tr("Text"), RenderArea::Text);
+    shapeComboBox->addItem(tr("Pixmap"), RenderArea::Pixmap);
+
+    shapeLabel = new QLabel(tr("&Shape:"));
+    shapeLabel->setBuddy(shapeComboBox);
+//! [1]
+
+//! [2]
+    penWidthSpinBox = new QSpinBox;
+    penWidthSpinBox->setRange(0, 20);
+    penWidthSpinBox->setSpecialValueText(tr("0 (cosmetic pen)"));
+
+    penWidthLabel = new QLabel(tr("Pen &Width:"));
+    penWidthLabel->setBuddy(penWidthSpinBox);
+//! [2]
+
+//! [3]
+    penStyleComboBox = new QComboBox;
+    penStyleComboBox->addItem(tr("Solid"), Qt::SolidLine);
+    penStyleComboBox->addItem(tr("Dash"), Qt::DashLine);
+    penStyleComboBox->addItem(tr("Dot"), Qt::DotLine);
+    penStyleComboBox->addItem(tr("Dash Dot"), Qt::DashDotLine);
+    penStyleComboBox->addItem(tr("Dash Dot Dot"), Qt::DashDotDotLine);
+    penStyleComboBox->addItem(tr("None"), Qt::NoPen);
+
+    penStyleLabel = new QLabel(tr("&Pen Style:"));
+    penStyleLabel->setBuddy(penStyleComboBox);
+
+    penCapComboBox = new QComboBox;
+    penCapComboBox->addItem(tr("Flat"), Qt::FlatCap);
+    penCapComboBox->addItem(tr("Square"), Qt::SquareCap);
+    penCapComboBox->addItem(tr("Round"), Qt::RoundCap);
+
+    penCapLabel = new QLabel(tr("Pen &Cap:"));
+    penCapLabel->setBuddy(penCapComboBox);
+
+    penJoinComboBox = new QComboBox;
+    penJoinComboBox->addItem(tr("Miter"), Qt::MiterJoin);
+    penJoinComboBox->addItem(tr("Bevel"), Qt::BevelJoin);
+    penJoinComboBox->addItem(tr("Round"), Qt::RoundJoin);
+
+    penJoinLabel = new QLabel(tr("Pen &Join:"));
+    penJoinLabel->setBuddy(penJoinComboBox);
+//! [3]
+
+//! [4]
+    brushStyleComboBox = new QComboBox;
+    brushStyleComboBox->addItem(tr("Linear Gradient"),
+            Qt::LinearGradientPattern);
+    brushStyleComboBox->addItem(tr("Radial Gradient"),
+            Qt::RadialGradientPattern);
+    brushStyleComboBox->addItem(tr("Conical Gradient"),
+            Qt::ConicalGradientPattern);
+    brushStyleComboBox->addItem(tr("Texture"), Qt::TexturePattern);
+    brushStyleComboBox->addItem(tr("Solid"), Qt::SolidPattern);
+    brushStyleComboBox->addItem(tr("Horizontal"), Qt::HorPattern);
+    brushStyleComboBox->addItem(tr("Vertical"), Qt::VerPattern);
+    brushStyleComboBox->addItem(tr("Cross"), Qt::CrossPattern);
+    brushStyleComboBox->addItem(tr("Backward Diagonal"), Qt::BDiagPattern);
+    brushStyleComboBox->addItem(tr("Forward Diagonal"), Qt::FDiagPattern);
+    brushStyleComboBox->addItem(tr("Diagonal Cross"), Qt::DiagCrossPattern);
+    brushStyleComboBox->addItem(tr("Dense 1"), Qt::Dense1Pattern);
+    brushStyleComboBox->addItem(tr("Dense 2"), Qt::Dense2Pattern);
+    brushStyleComboBox->addItem(tr("Dense 3"), Qt::Dense3Pattern);
+    brushStyleComboBox->addItem(tr("Dense 4"), Qt::Dense4Pattern);
+    brushStyleComboBox->addItem(tr("Dense 5"), Qt::Dense5Pattern);
+    brushStyleComboBox->addItem(tr("Dense 6"), Qt::Dense6Pattern);
+    brushStyleComboBox->addItem(tr("Dense 7"), Qt::Dense7Pattern);
+    brushStyleComboBox->addItem(tr("None"), Qt::NoBrush);
+
+    brushStyleLabel = new QLabel(tr("&Brush Style:"));
+    brushStyleLabel->setBuddy(brushStyleComboBox);
+//! [4]
+
+//! [5]
+    otherOptionsLabel = new QLabel(tr("Other Options:"));
+//! [5] //! [6]
+    antialiasingCheckBox = new QCheckBox(tr("&Antialiasing"));
+//! [6] //! [7]
+    transformationsCheckBox = new QCheckBox(tr("&Transformations"));
+//! [7]
+
+//! [8]
+    connect(shapeComboBox, SIGNAL(activated(int)),
+            this, SLOT(shapeChanged()));
+    connect(penWidthSpinBox, SIGNAL(valueChanged(int)),
+            this, SLOT(penChanged()));
+    connect(penStyleComboBox, SIGNAL(activated(int)),
+            this, SLOT(penChanged()));
+    connect(penCapComboBox, SIGNAL(activated(int)),
+            this, SLOT(penChanged()));
+    connect(penJoinComboBox, SIGNAL(activated(int)),
+            this, SLOT(penChanged()));
+    connect(brushStyleComboBox, SIGNAL(activated(int)),
+            this, SLOT(brushChanged()));
+    connect(antialiasingCheckBox, SIGNAL(toggled(bool)),
+            renderArea, SLOT(setAntialiased(bool)));
+    connect(transformationsCheckBox, SIGNAL(toggled(bool)),
+            renderArea, SLOT(setTransformed(bool)));
+//! [8]
+
+//! [9]
+    QGridLayout *mainLayout = new QGridLayout;
+//! [9] //! [10]
+    mainLayout->setColumnStretch(0, 1);
+    mainLayout->setColumnStretch(3, 1);
+    mainLayout->addWidget(renderArea, 0, 0, 1, 4);
+    mainLayout->setRowMinimumHeight(1, 6);
+    mainLayout->addWidget(shapeLabel, 2, 1, Qt::AlignRight);
+    mainLayout->addWidget(shapeComboBox, 2, 2);
+    mainLayout->addWidget(penWidthLabel, 3, 1, Qt::AlignRight);
+    mainLayout->addWidget(penWidthSpinBox, 3, 2);
+    mainLayout->addWidget(penStyleLabel, 4, 1, Qt::AlignRight);
+    mainLayout->addWidget(penStyleComboBox, 4, 2);
+    mainLayout->addWidget(penCapLabel, 5, 1, Qt::AlignRight);
+    mainLayout->addWidget(penCapComboBox, 5, 2);
+    mainLayout->addWidget(penJoinLabel, 6, 1, Qt::AlignRight);
+    mainLayout->addWidget(penJoinComboBox, 6, 2);
+    mainLayout->addWidget(brushStyleLabel, 7, 1, Qt::AlignRight);
+    mainLayout->addWidget(brushStyleComboBox, 7, 2);
+    mainLayout->setRowMinimumHeight(8, 6);
+    mainLayout->addWidget(otherOptionsLabel, 9, 1, Qt::AlignRight);
+    mainLayout->addWidget(antialiasingCheckBox, 9, 2);
+    mainLayout->addWidget(transformationsCheckBox, 10, 2);
+    setLayout(mainLayout);
+
+    shapeChanged();
+    penChanged();
+    brushChanged();
+    antialiasingCheckBox->setChecked(true);
+
+    setWindowTitle(tr("Basic Drawing"));
+}
+//! [10]
+
+//! [11]
+void Window::shapeChanged()
+{
+    RenderArea::Shape shape = RenderArea::Shape(shapeComboBox->itemData(
+            shapeComboBox->currentIndex(), IdRole).toInt());
+    renderArea->setShape(shape);
+}
+//! [11]
+
+//! [12]
+void Window::penChanged()
+{
+    int width = penWidthSpinBox->value();
+    Qt::PenStyle style = Qt::PenStyle(penStyleComboBox->itemData(
+            penStyleComboBox->currentIndex(), IdRole).toInt());
+    Qt::PenCapStyle cap = Qt::PenCapStyle(penCapComboBox->itemData(
+            penCapComboBox->currentIndex(), IdRole).toInt());
+    Qt::PenJoinStyle join = Qt::PenJoinStyle(penJoinComboBox->itemData(
+            penJoinComboBox->currentIndex(), IdRole).toInt());
+
+    renderArea->setPen(QPen(Qt::blue, width, style, cap, join));
+}
+//! [12]
+
+//! [13]
+void Window::brushChanged()
+{
+    Qt::BrushStyle style = Qt::BrushStyle(brushStyleComboBox->itemData(
+//! [13]
+            brushStyleComboBox->currentIndex(), IdRole).toInt());
+
+//! [14]
+    if (style == Qt::LinearGradientPattern) {
+        QLinearGradient linearGradient(0, 0, 100, 100);
+        linearGradient.setColorAt(0.0, Qt::white);
+        linearGradient.setColorAt(0.2, Qt::green);
+        linearGradient.setColorAt(1.0, Qt::black);
+        renderArea->setBrush(linearGradient);
+//! [14] //! [15]
+    } else if (style == Qt::RadialGradientPattern) {
+        QRadialGradient radialGradient(50, 50, 50, 70, 70);
+        radialGradient.setColorAt(0.0, Qt::white);
+        radialGradient.setColorAt(0.2, Qt::green);
+        radialGradient.setColorAt(1.0, Qt::black);
+        renderArea->setBrush(radialGradient);
+    } else if (style == Qt::ConicalGradientPattern) {
+        QConicalGradient conicalGradient(50, 50, 150);
+        conicalGradient.setColorAt(0.0, Qt::white);
+        conicalGradient.setColorAt(0.2, Qt::green);
+        conicalGradient.setColorAt(1.0, Qt::black);
+        renderArea->setBrush(conicalGradient);
+//! [15] //! [16]
+    } else if (style == Qt::TexturePattern) {
+        renderArea->setBrush(QBrush(QPixmap(":/images/brick.png")));
+//! [16] //! [17]
+    } else {
+        renderArea->setBrush(QBrush(Qt::green, style));
+    }
+}
+//! [17]