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author | axis <qt-info@nokia.com> | 2009-04-24 11:34:15 (GMT) |
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committer | axis <qt-info@nokia.com> | 2009-04-24 11:34:15 (GMT) |
commit | 8f427b2b914d5b575a4a7c0ed65d2fb8f45acc76 (patch) | |
tree | a17e1a767a89542ab59907462206d7dcf2e504b2 /examples/layouts/flowlayout | |
download | Qt-8f427b2b914d5b575a4a7c0ed65d2fb8f45acc76.zip Qt-8f427b2b914d5b575a4a7c0ed65d2fb8f45acc76.tar.gz Qt-8f427b2b914d5b575a4a7c0ed65d2fb8f45acc76.tar.bz2 |
Long live Qt for S60!
Diffstat (limited to 'examples/layouts/flowlayout')
-rw-r--r-- | examples/layouts/flowlayout/flowlayout.cpp | 154 | ||||
-rw-r--r-- | examples/layouts/flowlayout/flowlayout.h | 73 | ||||
-rw-r--r-- | examples/layouts/flowlayout/flowlayout.pro | 13 | ||||
-rw-r--r-- | examples/layouts/flowlayout/main.cpp | 52 | ||||
-rw-r--r-- | examples/layouts/flowlayout/window.cpp | 59 | ||||
-rw-r--r-- | examples/layouts/flowlayout/window.h | 59 |
6 files changed, 410 insertions, 0 deletions
diff --git a/examples/layouts/flowlayout/flowlayout.cpp b/examples/layouts/flowlayout/flowlayout.cpp new file mode 100644 index 0000000..d1e857d --- /dev/null +++ b/examples/layouts/flowlayout/flowlayout.cpp @@ -0,0 +1,154 @@ +/**************************************************************************** +** +** 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 "flowlayout.h" + +FlowLayout::FlowLayout(QWidget *parent, int margin, int spacing) + : QLayout(parent) +{ + setMargin(margin); + setSpacing(spacing); +} + +FlowLayout::FlowLayout(int spacing) +{ + setSpacing(spacing); +} + +FlowLayout::~FlowLayout() +{ + QLayoutItem *item; + while ((item = takeAt(0))) + delete item; +} + +void FlowLayout::addItem(QLayoutItem *item) +{ + itemList.append(item); +} + +int FlowLayout::count() const +{ + return itemList.size(); +} + +QLayoutItem *FlowLayout::itemAt(int index) const +{ + return itemList.value(index); +} + +QLayoutItem *FlowLayout::takeAt(int index) +{ + if (index >= 0 && index < itemList.size()) + return itemList.takeAt(index); + else + return 0; +} + +Qt::Orientations FlowLayout::expandingDirections() const +{ + return 0; +} + +bool FlowLayout::hasHeightForWidth() const +{ + return true; +} + +int FlowLayout::heightForWidth(int width) const +{ + int height = doLayout(QRect(0, 0, width, 0), true); + return height; +} + +void FlowLayout::setGeometry(const QRect &rect) +{ + QLayout::setGeometry(rect); + doLayout(rect, false); +} + +QSize FlowLayout::sizeHint() const +{ + return minimumSize(); +} + +QSize FlowLayout::minimumSize() const +{ + QSize size; + QLayoutItem *item; + foreach (item, itemList) + size = size.expandedTo(item->minimumSize()); + + size += QSize(2*margin(), 2*margin()); + return size; +} + +int FlowLayout::doLayout(const QRect &rect, bool testOnly) const +{ + int x = rect.x(); + int y = rect.y(); + int lineHeight = 0; + + QLayoutItem *item; + foreach (item, itemList) { + QWidget *wid = item->widget(); + int spaceX = spacing() + wid->style()->layoutSpacing( + QSizePolicy::PushButton, QSizePolicy::PushButton, Qt::Horizontal); + int spaceY = spacing() + wid->style()->layoutSpacing( + QSizePolicy::PushButton, QSizePolicy::PushButton, Qt::Vertical); + int nextX = x + item->sizeHint().width() + spaceX; + if (nextX - spaceX > rect.right() && lineHeight > 0) { + x = rect.x(); + y = y + lineHeight + spaceY; + nextX = x + item->sizeHint().width() + spaceX; + lineHeight = 0; + } + + if (!testOnly) + item->setGeometry(QRect(QPoint(x, y), item->sizeHint())); + + x = nextX; + lineHeight = qMax(lineHeight, item->sizeHint().height()); + } + return y + lineHeight - rect.y(); +} diff --git a/examples/layouts/flowlayout/flowlayout.h b/examples/layouts/flowlayout/flowlayout.h new file mode 100644 index 0000000..f864d8e --- /dev/null +++ b/examples/layouts/flowlayout/flowlayout.h @@ -0,0 +1,73 @@ +/**************************************************************************** +** +** 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. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef FLOWLAYOUT_H +#define FLOWLAYOUT_H + +#include <QLayout> +#include <QRect> +#include <QWidgetItem> + +class FlowLayout : public QLayout +{ +public: + FlowLayout(QWidget *parent, int margin = -1, int spacing = 0); + FlowLayout(int spacing = 0); + ~FlowLayout(); + + void addItem(QLayoutItem *item); + Qt::Orientations expandingDirections() const; + bool hasHeightForWidth() const; + int heightForWidth(int) const; + int count() const; + QLayoutItem *itemAt(int index) const; + QSize minimumSize() const; + void setGeometry(const QRect &rect); + QSize sizeHint() const; + QLayoutItem *takeAt(int index); + +private: + int doLayout(const QRect &rect, bool testOnly) const; + + QList<QLayoutItem *> itemList; +}; + +#endif diff --git a/examples/layouts/flowlayout/flowlayout.pro b/examples/layouts/flowlayout/flowlayout.pro new file mode 100644 index 0000000..ece314f --- /dev/null +++ b/examples/layouts/flowlayout/flowlayout.pro @@ -0,0 +1,13 @@ +HEADERS = flowlayout.h \ + window.h +SOURCES = flowlayout.cpp \ + main.cpp \ + window.cpp + +# install +target.path = $$[QT_INSTALL_EXAMPLES]/layouts/flowlayout +sources.files = $$SOURCES $$HEADERS *.pro +sources.path = $$[QT_INSTALL_EXAMPLES]/layouts/flowlayout +INSTALLS += target sources + +include($$QT_SOURCE_TREE/examples/examplebase.pri) diff --git a/examples/layouts/flowlayout/main.cpp b/examples/layouts/flowlayout/main.cpp new file mode 100644 index 0000000..fa8b0ab --- /dev/null +++ b/examples/layouts/flowlayout/main.cpp @@ -0,0 +1,52 @@ +/**************************************************************************** +** +** 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 <QApplication> + +#include "window.h" + +int main(int argc, char *argv[]) +{ + QApplication app(argc, argv); + Window window; + window.show(); + return app.exec(); +} diff --git a/examples/layouts/flowlayout/window.cpp b/examples/layouts/flowlayout/window.cpp new file mode 100644 index 0000000..51d9886 --- /dev/null +++ b/examples/layouts/flowlayout/window.cpp @@ -0,0 +1,59 @@ +/**************************************************************************** +** +** 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 "flowlayout.h" +#include "window.h" + +Window::Window() +{ + FlowLayout *flowLayout = new FlowLayout; + + flowLayout->addWidget(new QPushButton(tr("Short"))); + flowLayout->addWidget(new QPushButton(tr("Longer"))); + flowLayout->addWidget(new QPushButton(tr("Different text"))); + flowLayout->addWidget(new QPushButton(tr("More text"))); + flowLayout->addWidget(new QPushButton(tr("Even longer button text"))); + setLayout(flowLayout); + + setWindowTitle(tr("Flow Layout")); +} diff --git a/examples/layouts/flowlayout/window.h b/examples/layouts/flowlayout/window.h new file mode 100644 index 0000000..ffd60af --- /dev/null +++ b/examples/layouts/flowlayout/window.h @@ -0,0 +1,59 @@ +/**************************************************************************** +** +** 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. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef WINDOW_H +#define WINDOW_H + +#include <QWidget> + +QT_BEGIN_NAMESPACE +class QLabel; +QT_END_NAMESPACE + +class Window : public QWidget +{ + Q_OBJECT + +public: + Window(); +}; + +#endif |