diff options
Diffstat (limited to 'examples/widgets/graphicsview/basicgraphicslayouts')
9 files changed, 430 insertions, 0 deletions
diff --git a/examples/widgets/graphicsview/basicgraphicslayouts/basicgraphicslayouts.desktop b/examples/widgets/graphicsview/basicgraphicslayouts/basicgraphicslayouts.desktop new file mode 100644 index 0000000000..be1c3e4a84 --- /dev/null +++ b/examples/widgets/graphicsview/basicgraphicslayouts/basicgraphicslayouts.desktop @@ -0,0 +1,11 @@ +[Desktop Entry] +Encoding=UTF-8 +Version=1.0 +Type=Application +Terminal=false +Name=Basic Graphics Layouts +Exec=/opt/usr/bin/basicgraphicslayouts +Icon=basicgraphicslayouts +X-Window-Icon= +X-HildonDesk-ShowInToolbar=true +X-Osso-Type=application/x-executable diff --git a/examples/widgets/graphicsview/basicgraphicslayouts/basicgraphicslayouts.pro b/examples/widgets/graphicsview/basicgraphicslayouts/basicgraphicslayouts.pro new file mode 100644 index 0000000000..202c8d87a0 --- /dev/null +++ b/examples/widgets/graphicsview/basicgraphicslayouts/basicgraphicslayouts.pro @@ -0,0 +1,14 @@ +HEADERS = layoutitem.h \ + window.h +SOURCES = layoutitem.cpp \ + main.cpp \ + window.cpp +RESOURCES = basicgraphicslayouts.qrc + +# install +target.path = $$[QT_INSTALL_EXAMPLES]/qtbase/graphicsview/basicgraphicslayouts +sources.files = $$SOURCES $$HEADERS $$RESOURCES basicgraphicslayouts.pro +sources.path = $$[QT_INSTALL_EXAMPLES]/qtbase/graphicsview/basicgraphicslayouts +INSTALLS += target sources + +QT += widgets diff --git a/examples/widgets/graphicsview/basicgraphicslayouts/basicgraphicslayouts.qrc b/examples/widgets/graphicsview/basicgraphicslayouts/basicgraphicslayouts.qrc new file mode 100644 index 0000000000..fbe2efa572 --- /dev/null +++ b/examples/widgets/graphicsview/basicgraphicslayouts/basicgraphicslayouts.qrc @@ -0,0 +1,5 @@ +<RCC> + <qresource> + <file>images/block.png</file> + </qresource> +</RCC> diff --git a/examples/widgets/graphicsview/basicgraphicslayouts/images/block.png b/examples/widgets/graphicsview/basicgraphicslayouts/images/block.png Binary files differnew file mode 100644 index 0000000000..4c72a3f508 --- /dev/null +++ b/examples/widgets/graphicsview/basicgraphicslayouts/images/block.png diff --git a/examples/widgets/graphicsview/basicgraphicslayouts/layoutitem.cpp b/examples/widgets/graphicsview/basicgraphicslayouts/layoutitem.cpp new file mode 100644 index 0000000000..7067cddece --- /dev/null +++ b/examples/widgets/graphicsview/basicgraphicslayouts/layoutitem.cpp @@ -0,0 +1,130 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/ +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** You may use this file under the terms of the BSD license as follows: +** +** "Redistribution and use in source and binary forms, with or without +** modification, are permitted provided that the following conditions are +** met: +** * Redistributions of source code must retain the above copyright +** notice, this list of conditions and the following disclaimer. +** * Redistributions in binary form must reproduce the above copyright +** notice, this list of conditions and the following disclaimer in +** the documentation and/or other materials provided with the +** distribution. +** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor +** the names of its contributors may be used to endorse or promote +** products derived from this software without specific prior written +** permission. +** +** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "layoutitem.h" + +//! [0] +LayoutItem::LayoutItem(QGraphicsItem *parent/* = 0*/) + : QGraphicsLayoutItem(), QGraphicsItem(parent) +{ + m_pix = new QPixmap(QLatin1String(":/images/block.png")); + setGraphicsItem(this); +} +//! [0] + +LayoutItem::~LayoutItem() +{ + delete m_pix; +} + +//! [1] +void LayoutItem::paint(QPainter *painter, + const QStyleOptionGraphicsItem *option, QWidget *widget /*= 0*/) +{ + Q_UNUSED(widget); + Q_UNUSED(option); + + QRectF frame(QPointF(0,0), geometry().size()); + qreal w = m_pix->width(); + qreal h = m_pix->height(); + QGradientStops stops; +//! [1] + +//! [2] + // paint a background rect (with gradient) + QLinearGradient gradient(frame.topLeft(), frame.topLeft() + QPointF(200,200)); + stops << QGradientStop(0.0, QColor(60, 60, 60)); + stops << QGradientStop(frame.height()/2/frame.height(), QColor(102, 176, 54)); + + //stops << QGradientStop(((frame.height() + h)/2 )/frame.height(), QColor(157, 195, 55)); + stops << QGradientStop(1.0, QColor(215, 215, 215)); + gradient.setStops(stops); + painter->setBrush(QBrush(gradient)); + painter->drawRoundedRect(frame, 10.0, 10.0); + + // paint a rect around the pixmap (with gradient) + QPointF pixpos = frame.center() - (QPointF(w, h)/2); + QRectF innerFrame(pixpos, QSizeF(w, h)); + innerFrame.adjust(-4, -4, +4, +4); + gradient.setStart(innerFrame.topLeft()); + gradient.setFinalStop(innerFrame.bottomRight()); + stops.clear(); + stops << QGradientStop(0.0, QColor(215, 255, 200)); + stops << QGradientStop(0.5, QColor(102, 176, 54)); + stops << QGradientStop(1.0, QColor(0, 0, 0)); + gradient.setStops(stops); + painter->setBrush(QBrush(gradient)); + painter->drawRoundedRect(innerFrame, 10.0, 10.0); + painter->drawPixmap(pixpos, *m_pix); +} +//! [2] + +//! [3] +QRectF LayoutItem::boundingRect() const +{ + return QRectF(QPointF(0,0), geometry().size()); +} +//! [3] + +//! [4] +void LayoutItem::setGeometry(const QRectF &geom) +{ + prepareGeometryChange(); + QGraphicsLayoutItem::setGeometry(geom); + setPos(geom.topLeft()); +} +//! [4] + +//! [5] +QSizeF LayoutItem::sizeHint(Qt::SizeHint which, const QSizeF &constraint) const +{ + switch (which) { + case Qt::MinimumSize: + case Qt::PreferredSize: + // Do not allow a size smaller than the pixmap with two frames around it. + return m_pix->size() + QSize(12, 12); + case Qt::MaximumSize: + return QSizeF(1000,1000); + default: + break; + } + return constraint; +} +//! [5] diff --git a/examples/widgets/graphicsview/basicgraphicslayouts/layoutitem.h b/examples/widgets/graphicsview/basicgraphicslayouts/layoutitem.h new file mode 100644 index 0000000000..798c4650c6 --- /dev/null +++ b/examples/widgets/graphicsview/basicgraphicslayouts/layoutitem.h @@ -0,0 +1,65 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/ +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** You may use this file under the terms of the BSD license as follows: +** +** "Redistribution and use in source and binary forms, with or without +** modification, are permitted provided that the following conditions are +** met: +** * Redistributions of source code must retain the above copyright +** notice, this list of conditions and the following disclaimer. +** * Redistributions in binary form must reproduce the above copyright +** notice, this list of conditions and the following disclaimer in +** the documentation and/or other materials provided with the +** distribution. +** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor +** the names of its contributors may be used to endorse or promote +** products derived from this software without specific prior written +** permission. +** +** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef LAYOUTITEM_H +#define LAYOUTITEM_H +#include <QtWidgets> + +//! [0] +class LayoutItem : public QGraphicsLayoutItem, public QGraphicsItem +{ +public: + LayoutItem(QGraphicsItem *parent = 0); + ~LayoutItem(); + // Inherited from QGraphicsLayoutItem + void setGeometry(const QRectF &geom); + QSizeF sizeHint(Qt::SizeHint which, const QSizeF &constraint = QSizeF()) const; + + // Inherited from QGraphicsItem + QRectF boundingRect() const; + void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, + QWidget *widget = 0); + +private: + QPixmap *m_pix; +}; +//! [0] + +#endif diff --git a/examples/widgets/graphicsview/basicgraphicslayouts/main.cpp b/examples/widgets/graphicsview/basicgraphicslayouts/main.cpp new file mode 100644 index 0000000000..ef482235a9 --- /dev/null +++ b/examples/widgets/graphicsview/basicgraphicslayouts/main.cpp @@ -0,0 +1,58 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/ +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** You may use this file under the terms of the BSD license as follows: +** +** "Redistribution and use in source and binary forms, with or without +** modification, are permitted provided that the following conditions are +** met: +** * Redistributions of source code must retain the above copyright +** notice, this list of conditions and the following disclaimer. +** * Redistributions in binary form must reproduce the above copyright +** notice, this list of conditions and the following disclaimer in +** the documentation and/or other materials provided with the +** distribution. +** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor +** the names of its contributors may be used to endorse or promote +** products derived from this software without specific prior written +** permission. +** +** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include <QtWidgets> + +#include "window.h" + +int main(int argc, char **argv) +{ + QApplication app(argc, argv); + + QGraphicsScene scene; + + Window *window = new Window; + scene.addItem(window); + QGraphicsView view(&scene); + view.resize(600, 600); + view.show(); + + return app.exec(); +} diff --git a/examples/widgets/graphicsview/basicgraphicslayouts/window.cpp b/examples/widgets/graphicsview/basicgraphicslayouts/window.cpp new file mode 100644 index 0000000000..e3786b61f1 --- /dev/null +++ b/examples/widgets/graphicsview/basicgraphicslayouts/window.cpp @@ -0,0 +1,90 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/ +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** You may use this file under the terms of the BSD license as follows: +** +** "Redistribution and use in source and binary forms, with or without +** modification, are permitted provided that the following conditions are +** met: +** * Redistributions of source code must retain the above copyright +** notice, this list of conditions and the following disclaimer. +** * Redistributions in binary form must reproduce the above copyright +** notice, this list of conditions and the following disclaimer in +** the documentation and/or other materials provided with the +** distribution. +** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor +** the names of its contributors may be used to endorse or promote +** products derived from this software without specific prior written +** permission. +** +** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "window.h" +#include "layoutitem.h" + +Window::Window(QGraphicsWidget *parent) : QGraphicsWidget(parent, Qt::Window) +{ +//! [0] + QGraphicsLinearLayout *windowLayout = new QGraphicsLinearLayout(Qt::Vertical); + QGraphicsLinearLayout *linear = new QGraphicsLinearLayout(windowLayout); + LayoutItem *item = new LayoutItem; + linear->addItem(item); + linear->setStretchFactor(item, 1); +//! [0] + +//! [1] + item = new LayoutItem; + linear->addItem(item); + linear->setStretchFactor(item, 3); + windowLayout->addItem(linear); +//! [1] + +//! [2] + QGraphicsGridLayout *grid = new QGraphicsGridLayout(windowLayout); + item = new LayoutItem; + grid->addItem(item, 0, 0, 4, 1); + item = new LayoutItem; + item->setMaximumHeight(item->minimumHeight()); + grid->addItem(item, 0, 1, 2, 1, Qt::AlignVCenter); + item = new LayoutItem; + item->setMaximumHeight(item->minimumHeight()); + grid->addItem(item, 2, 1, 2, 1, Qt::AlignVCenter); + item = new LayoutItem; + grid->addItem(item, 0, 2); + item = new LayoutItem; + grid->addItem(item, 1, 2); + item = new LayoutItem; + grid->addItem(item, 2, 2); + item = new LayoutItem; + grid->addItem(item, 3, 2); + windowLayout->addItem(grid); +//! [2] + +//! [3] + setLayout(windowLayout); + setWindowTitle(tr("Basic Graphics Layouts Example")); +//! [3] + +} + + + diff --git a/examples/widgets/graphicsview/basicgraphicslayouts/window.h b/examples/widgets/graphicsview/basicgraphicslayouts/window.h new file mode 100644 index 0000000000..5c1cc2ed4f --- /dev/null +++ b/examples/widgets/graphicsview/basicgraphicslayouts/window.h @@ -0,0 +1,57 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/ +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** You may use this file under the terms of the BSD license as follows: +** +** "Redistribution and use in source and binary forms, with or without +** modification, are permitted provided that the following conditions are +** met: +** * Redistributions of source code must retain the above copyright +** notice, this list of conditions and the following disclaimer. +** * Redistributions in binary form must reproduce the above copyright +** notice, this list of conditions and the following disclaimer in +** the documentation and/or other materials provided with the +** distribution. +** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor +** the names of its contributors may be used to endorse or promote +** products derived from this software without specific prior written +** permission. +** +** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef WINDOW_H +#define WINDOW_H + +#include <QtWidgets/QGraphicsWidget> + +//! [0] +class Window : public QGraphicsWidget { + Q_OBJECT + +public: + Window(QGraphicsWidget *parent = 0); + +}; +//! [0] + +#endif //WINDOW_H + |
