From e5fcad302d86d316390c6b0f62759a067313e8a9 Mon Sep 17 00:00:00 2001 From: Lars Knoll Date: Mon, 23 Mar 2009 10:18:55 +0100 Subject: Long live Qt 4.5! --- examples/layouts/README | 41 ++++ examples/layouts/basiclayouts/basiclayouts.pro | 9 + examples/layouts/basiclayouts/dialog.cpp | 150 +++++++++++++++ examples/layouts/basiclayouts/dialog.h | 91 +++++++++ examples/layouts/basiclayouts/main.cpp | 51 +++++ examples/layouts/borderlayout/borderlayout.cpp | 214 +++++++++++++++++++++ examples/layouts/borderlayout/borderlayout.h | 89 +++++++++ examples/layouts/borderlayout/borderlayout.pro | 11 ++ examples/layouts/borderlayout/main.cpp | 52 +++++ examples/layouts/borderlayout/window.cpp | 69 +++++++ examples/layouts/borderlayout/window.h | 62 ++++++ examples/layouts/dynamiclayouts/dialog.cpp | 170 ++++++++++++++++ examples/layouts/dynamiclayouts/dialog.h | 91 +++++++++ examples/layouts/dynamiclayouts/dynamiclayouts.pro | 9 + examples/layouts/dynamiclayouts/main.cpp | 51 +++++ examples/layouts/flowlayout/flowlayout.cpp | 154 +++++++++++++++ examples/layouts/flowlayout/flowlayout.h | 73 +++++++ examples/layouts/flowlayout/flowlayout.pro | 11 ++ examples/layouts/flowlayout/main.cpp | 52 +++++ examples/layouts/flowlayout/window.cpp | 59 ++++++ examples/layouts/flowlayout/window.h | 59 ++++++ examples/layouts/layouts.pro | 10 + 22 files changed, 1578 insertions(+) create mode 100644 examples/layouts/README create mode 100644 examples/layouts/basiclayouts/basiclayouts.pro create mode 100644 examples/layouts/basiclayouts/dialog.cpp create mode 100644 examples/layouts/basiclayouts/dialog.h create mode 100644 examples/layouts/basiclayouts/main.cpp create mode 100644 examples/layouts/borderlayout/borderlayout.cpp create mode 100644 examples/layouts/borderlayout/borderlayout.h create mode 100644 examples/layouts/borderlayout/borderlayout.pro create mode 100644 examples/layouts/borderlayout/main.cpp create mode 100644 examples/layouts/borderlayout/window.cpp create mode 100644 examples/layouts/borderlayout/window.h create mode 100644 examples/layouts/dynamiclayouts/dialog.cpp create mode 100644 examples/layouts/dynamiclayouts/dialog.h create mode 100644 examples/layouts/dynamiclayouts/dynamiclayouts.pro create mode 100644 examples/layouts/dynamiclayouts/main.cpp create mode 100644 examples/layouts/flowlayout/flowlayout.cpp create mode 100644 examples/layouts/flowlayout/flowlayout.h create mode 100644 examples/layouts/flowlayout/flowlayout.pro create mode 100644 examples/layouts/flowlayout/main.cpp create mode 100644 examples/layouts/flowlayout/window.cpp create mode 100644 examples/layouts/flowlayout/window.h create mode 100644 examples/layouts/layouts.pro (limited to 'examples/layouts') diff --git a/examples/layouts/README b/examples/layouts/README new file mode 100644 index 0000000000..edaea78463 --- /dev/null +++ b/examples/layouts/README @@ -0,0 +1,41 @@ +Qt uses a layout-based approach to widget management. Widgets are arranged in +the optimal positions in windows based on simple layout rules, leading to a +consistent look and feel. + +Custom layouts can be used to provide more control over the positions and +sizes of child widgets. + + +The example launcher provided with Qt can be used to explore each of the +examples in this directory. + +Documentation for these examples can be found via the Tutorial and Examples +link in the main Qt documentation. + + +Finding the Qt Examples and Demos launcher +========================================== + +On Windows: + +The launcher can be accessed via the Windows Start menu. Select the menu +entry entitled "Qt Examples and Demos" entry in the submenu containing +the Qt tools. + +On Mac OS X: + +For the binary distribution, the qtdemo executable is installed in the +/Developer/Applications/Qt directory. For the source distribution, it is +installed alongside the other Qt tools on the path specified when Qt is +configured. + +On Unix/Linux: + +The qtdemo executable is installed alongside the other Qt tools on the path +specified when Qt is configured. + +On all platforms: + +The source code for the launcher can be found in the demos/qtdemo directory +in the Qt package. This example is built at the same time as the Qt libraries, +tools, examples, and demonstrations. diff --git a/examples/layouts/basiclayouts/basiclayouts.pro b/examples/layouts/basiclayouts/basiclayouts.pro new file mode 100644 index 0000000000..8fa73ffc5a --- /dev/null +++ b/examples/layouts/basiclayouts/basiclayouts.pro @@ -0,0 +1,9 @@ +HEADERS = dialog.h +SOURCES = dialog.cpp \ + main.cpp + +# install +target.path = $$[QT_INSTALL_EXAMPLES]/layouts/basiclayouts +sources.files = $$SOURCES $$HEADERS *.pro +sources.path = $$[QT_INSTALL_EXAMPLES]/layouts/basiclayouts +INSTALLS += target sources diff --git a/examples/layouts/basiclayouts/dialog.cpp b/examples/layouts/basiclayouts/dialog.cpp new file mode 100644 index 0000000000..86cafb9d21 --- /dev/null +++ b/examples/layouts/basiclayouts/dialog.cpp @@ -0,0 +1,150 @@ +/**************************************************************************** +** +** 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 + +#include "dialog.h" + +//! [0] +Dialog::Dialog() +{ + createMenu(); + createHorizontalGroupBox(); + createGridGroupBox(); + createFormGroupBox(); +//! [0] + +//! [1] + bigEditor = new QTextEdit; + bigEditor->setPlainText(tr("This widget takes up all the remaining space " + "in the top-level layout.")); + + buttonBox = new QDialogButtonBox(QDialogButtonBox::Ok + | QDialogButtonBox::Cancel); + + connect(buttonBox, SIGNAL(accepted()), this, SLOT(accept())); + connect(buttonBox, SIGNAL(rejected()), this, SLOT(reject())); +//! [1] + +//! [2] + QVBoxLayout *mainLayout = new QVBoxLayout; +//! [2] //! [3] + mainLayout->setMenuBar(menuBar); +//! [3] //! [4] + mainLayout->addWidget(horizontalGroupBox); + mainLayout->addWidget(gridGroupBox); + mainLayout->addWidget(formGroupBox); + mainLayout->addWidget(bigEditor); + mainLayout->addWidget(buttonBox); +//! [4] //! [5] + setLayout(mainLayout); + + setWindowTitle(tr("Basic Layouts")); +} +//! [5] + +//! [6] +void Dialog::createMenu() +{ + menuBar = new QMenuBar; + + fileMenu = new QMenu(tr("&File"), this); + exitAction = fileMenu->addAction(tr("E&xit")); + menuBar->addMenu(fileMenu); + + connect(exitAction, SIGNAL(triggered()), this, SLOT(accept())); +} +//! [6] + +//! [7] +void Dialog::createHorizontalGroupBox() +{ + horizontalGroupBox = new QGroupBox(tr("Horizontal layout")); + QHBoxLayout *layout = new QHBoxLayout; + + for (int i = 0; i < NumButtons; ++i) { + buttons[i] = new QPushButton(tr("Button %1").arg(i + 1)); + layout->addWidget(buttons[i]); + } + horizontalGroupBox->setLayout(layout); +} +//! [7] + +//! [8] +void Dialog::createGridGroupBox() +{ + gridGroupBox = new QGroupBox(tr("Grid layout")); +//! [8] + QGridLayout *layout = new QGridLayout; + +//! [9] + for (int i = 0; i < NumGridRows; ++i) { + labels[i] = new QLabel(tr("Line %1:").arg(i + 1)); + lineEdits[i] = new QLineEdit; + layout->addWidget(labels[i], i + 1, 0); + layout->addWidget(lineEdits[i], i + 1, 1); + } + +//! [9] //! [10] + smallEditor = new QTextEdit; + smallEditor->setPlainText(tr("This widget takes up about two thirds of the " + "grid layout.")); + layout->addWidget(smallEditor, 0, 2, 4, 1); +//! [10] + +//! [11] + layout->setColumnStretch(1, 10); + layout->setColumnStretch(2, 20); + gridGroupBox->setLayout(layout); +} +//! [11] + +//! [12] +void Dialog::createFormGroupBox() +{ + formGroupBox = new QGroupBox(tr("Form layout")); + QFormLayout *layout = new QFormLayout; + layout->addRow(new QLabel(tr("Line 1:")), new QLineEdit); + layout->addRow(new QLabel(tr("Line 2, long text:")), new QComboBox); + layout->addRow(new QLabel(tr("Line 3:")), new QSpinBox); + formGroupBox->setLayout(layout); +} +//! [12] diff --git a/examples/layouts/basiclayouts/dialog.h b/examples/layouts/basiclayouts/dialog.h new file mode 100644 index 0000000000..b6b1e3a5a3 --- /dev/null +++ b/examples/layouts/basiclayouts/dialog.h @@ -0,0 +1,91 @@ +/**************************************************************************** +** +** 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 DIALOG_H +#define DIALOG_H + +#include + +QT_BEGIN_NAMESPACE +class QAction; +class QDialogButtonBox; +class QGroupBox; +class QLabel; +class QLineEdit; +class QMenu; +class QMenuBar; +class QPushButton; +class QTextEdit; +QT_END_NAMESPACE + +//! [0] +class Dialog : public QDialog +{ + Q_OBJECT + +public: + Dialog(); + +private: + void createMenu(); + void createHorizontalGroupBox(); + void createGridGroupBox(); + void createFormGroupBox(); + + enum { NumGridRows = 3, NumButtons = 4 }; + + QMenuBar *menuBar; + QGroupBox *horizontalGroupBox; + QGroupBox *gridGroupBox; + QGroupBox *formGroupBox; + QTextEdit *smallEditor; + QTextEdit *bigEditor; + QLabel *labels[NumGridRows]; + QLineEdit *lineEdits[NumGridRows]; + QPushButton *buttons[NumButtons]; + QDialogButtonBox *buttonBox; + + QMenu *fileMenu; + QAction *exitAction; +}; +//! [0] + +#endif diff --git a/examples/layouts/basiclayouts/main.cpp b/examples/layouts/basiclayouts/main.cpp new file mode 100644 index 0000000000..09c49eece3 --- /dev/null +++ b/examples/layouts/basiclayouts/main.cpp @@ -0,0 +1,51 @@ +/**************************************************************************** +** +** 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 + +#include "dialog.h" + +int main(int argc, char *argv[]) +{ + QApplication app(argc, argv); + Dialog dialog; + return dialog.exec(); +} diff --git a/examples/layouts/borderlayout/borderlayout.cpp b/examples/layouts/borderlayout/borderlayout.cpp new file mode 100644 index 0000000000..25a4778e19 --- /dev/null +++ b/examples/layouts/borderlayout/borderlayout.cpp @@ -0,0 +1,214 @@ +/**************************************************************************** +** +** 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 + +#include "borderlayout.h" + +BorderLayout::BorderLayout(QWidget *parent, int margin, int spacing) + : QLayout(parent) +{ + setMargin(margin); + setSpacing(spacing); +} + +BorderLayout::BorderLayout(int spacing) +{ + setSpacing(spacing); +} + + +BorderLayout::~BorderLayout() +{ + QLayoutItem *l; + while ((l = takeAt(0))) + delete l; +} + +void BorderLayout::addItem(QLayoutItem *item) +{ + add(item, West); +} + +void BorderLayout::addWidget(QWidget *widget, Position position) +{ + add(new QWidgetItem(widget), position); +} + +Qt::Orientations BorderLayout::expandingDirections() const +{ + return Qt::Horizontal | Qt::Vertical; +} + +bool BorderLayout::hasHeightForWidth() const +{ + return false; +} + +int BorderLayout::count() const +{ + return list.size(); +} + +QLayoutItem *BorderLayout::itemAt(int index) const +{ + ItemWrapper *wrapper = list.value(index); + if (wrapper) + return wrapper->item; + else + return 0; +} + +QSize BorderLayout::minimumSize() const +{ + return calculateSize(MinimumSize); +} + +void BorderLayout::setGeometry(const QRect &rect) +{ + ItemWrapper *center = 0; + int eastWidth = 0; + int westWidth = 0; + int northHeight = 0; + int southHeight = 0; + int centerHeight = 0; + int i; + + QLayout::setGeometry(rect); + + for (i = 0; i < list.size(); ++i) { + ItemWrapper *wrapper = list.at(i); + QLayoutItem *item = wrapper->item; + Position position = wrapper->position; + + if (position == North) { + item->setGeometry(QRect(rect.x(), northHeight, rect.width(), + item->sizeHint().height())); + + northHeight += item->geometry().height() + spacing(); + } else if (position == South) { + item->setGeometry(QRect(item->geometry().x(), + item->geometry().y(), rect.width(), + item->sizeHint().height())); + + southHeight += item->geometry().height() + spacing(); + + item->setGeometry(QRect(rect.x(), + rect.y() + rect.height() - southHeight + spacing(), + item->geometry().width(), + item->geometry().height())); + } else if (position == Center) { + center = wrapper; + } + } + + centerHeight = rect.height() - northHeight - southHeight; + + for (i = 0; i < list.size(); ++i) { + ItemWrapper *wrapper = list.at(i); + QLayoutItem *item = wrapper->item; + Position position = wrapper->position; + + if (position == West) { + item->setGeometry(QRect(rect.x() + westWidth, northHeight, + item->sizeHint().width(), centerHeight)); + + westWidth += item->geometry().width() + spacing(); + } else if (position == East) { + item->setGeometry(QRect(item->geometry().x(), item->geometry().y(), + item->sizeHint().width(), centerHeight)); + + eastWidth += item->geometry().width() + spacing(); + + item->setGeometry(QRect( + rect.x() + rect.width() - eastWidth + spacing(), + northHeight, item->geometry().width(), + item->geometry().height())); + } + } + + if (center) + center->item->setGeometry(QRect(westWidth, northHeight, + rect.width() - eastWidth - westWidth, + centerHeight)); +} + +QSize BorderLayout::sizeHint() const +{ + return calculateSize(SizeHint); +} + +QLayoutItem *BorderLayout::takeAt(int index) +{ + if (index >= 0 && index < list.size()) { + ItemWrapper *layoutStruct = list.takeAt(index); + return layoutStruct->item; + } + return 0; +} + +void BorderLayout::add(QLayoutItem *item, Position position) +{ + list.append(new ItemWrapper(item, position)); +} + +QSize BorderLayout::calculateSize(SizeType sizeType) const +{ + QSize totalSize; + + for (int i = 0; i < list.size(); ++i) { + ItemWrapper *wrapper = list.at(i); + Position position = wrapper->position; + QSize itemSize; + + if (sizeType == MinimumSize) + itemSize = wrapper->item->minimumSize(); + else // (sizeType == SizeHint) + itemSize = wrapper->item->sizeHint(); + + if (position == North || position == South || position == Center) + totalSize.rheight() += itemSize.height(); + + if (position == West || position == East || position == Center) + totalSize.rwidth() += itemSize.width(); + } + return totalSize; +} diff --git a/examples/layouts/borderlayout/borderlayout.h b/examples/layouts/borderlayout/borderlayout.h new file mode 100644 index 0000000000..781a01fd36 --- /dev/null +++ b/examples/layouts/borderlayout/borderlayout.h @@ -0,0 +1,89 @@ +/**************************************************************************** +** +** 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 BORDERLAYOUT_H +#define BORDERLAYOUT_H + +#include +#include +#include + +class BorderLayout : public QLayout +{ +public: + enum Position { West, North, South, East, Center }; + + BorderLayout(QWidget *parent, int margin = 0, int spacing = -1); + BorderLayout(int spacing = -1); + ~BorderLayout(); + + void addItem(QLayoutItem *item); + void addWidget(QWidget *widget, Position position); + Qt::Orientations expandingDirections() const; + bool hasHeightForWidth() const; + int count() const; + QLayoutItem *itemAt(int index) const; + QSize minimumSize() const; + void setGeometry(const QRect &rect); + QSize sizeHint() const; + QLayoutItem *takeAt(int index); + + void add(QLayoutItem *item, Position position); + +private: + struct ItemWrapper + { + ItemWrapper(QLayoutItem *i, Position p) { + item = i; + position = p; + } + + QLayoutItem *item; + Position position; + }; + + enum SizeType { MinimumSize, SizeHint }; + QSize calculateSize(SizeType sizeType) const; + + QList list; +}; + +#endif diff --git a/examples/layouts/borderlayout/borderlayout.pro b/examples/layouts/borderlayout/borderlayout.pro new file mode 100644 index 0000000000..e327574ebc --- /dev/null +++ b/examples/layouts/borderlayout/borderlayout.pro @@ -0,0 +1,11 @@ +HEADERS = borderlayout.h \ + window.h +SOURCES = borderlayout.cpp \ + main.cpp \ + window.cpp + +# install +target.path = $$[QT_INSTALL_EXAMPLES]/layouts/borderlayout +sources.files = $$SOURCES $$HEADERS *.pro +sources.path = $$[QT_INSTALL_EXAMPLES]/layouts/borderlayout +INSTALLS += target sources diff --git a/examples/layouts/borderlayout/main.cpp b/examples/layouts/borderlayout/main.cpp new file mode 100644 index 0000000000..fa8b0abb9d --- /dev/null +++ b/examples/layouts/borderlayout/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 + +#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/borderlayout/window.cpp b/examples/layouts/borderlayout/window.cpp new file mode 100644 index 0000000000..2b085517a5 --- /dev/null +++ b/examples/layouts/borderlayout/window.cpp @@ -0,0 +1,69 @@ +/**************************************************************************** +** +** 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 + +#include "borderlayout.h" +#include "window.h" + +Window::Window() +{ + QTextBrowser *centralWidget = new QTextBrowser; + centralWidget->setPlainText(tr("Central widget")); + + BorderLayout *layout = new BorderLayout; + layout->addWidget(centralWidget, BorderLayout::Center); + layout->addWidget(createLabel("North"), BorderLayout::North); + layout->addWidget(createLabel("West"), BorderLayout::West); + layout->addWidget(createLabel("East 1"), BorderLayout::East); + layout->addWidget(createLabel("East 2") , BorderLayout::East); + layout->addWidget(createLabel("South"), BorderLayout::South); + setLayout(layout); + + setWindowTitle(tr("Border Layout")); +} + +QLabel *Window::createLabel(const QString &text) +{ + QLabel *label = new QLabel(text); + label->setFrameStyle(QFrame::Box | QFrame::Raised); + return label; +} diff --git a/examples/layouts/borderlayout/window.h b/examples/layouts/borderlayout/window.h new file mode 100644 index 0000000000..708d2702d0 --- /dev/null +++ b/examples/layouts/borderlayout/window.h @@ -0,0 +1,62 @@ +/**************************************************************************** +** +** 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 + +QT_BEGIN_NAMESPACE +class QLabel; +QT_END_NAMESPACE + +class Window : public QWidget +{ + Q_OBJECT + +public: + Window(); + +private: + QLabel *createLabel(const QString &text); +}; + +#endif diff --git a/examples/layouts/dynamiclayouts/dialog.cpp b/examples/layouts/dynamiclayouts/dialog.cpp new file mode 100644 index 0000000000..eee15f60be --- /dev/null +++ b/examples/layouts/dynamiclayouts/dialog.cpp @@ -0,0 +1,170 @@ +/**************************************************************************** +** +** 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 + +#include "dialog.h" + +Dialog::Dialog(QWidget *parent) + : QDialog(parent) +{ + createRotableGroupBox(); + createOptionsGroupBox(); + createButtonBox(); + + mainLayout = new QGridLayout; + mainLayout->addWidget(rotableGroupBox, 0, 0); + mainLayout->addWidget(optionsGroupBox, 1, 0); + mainLayout->addWidget(buttonBox, 2, 0); + setLayout(mainLayout); + + mainLayout->setSizeConstraint(QLayout::SetMinimumSize); + + setWindowTitle(tr("Dynamic Layouts")); +} + +void Dialog::buttonsOrientationChanged(int index) +{ + mainLayout->setSizeConstraint(QLayout::SetNoConstraint); + setMinimumSize(0, 0); + + Qt::Orientation orientation = Qt::Orientation( + buttonsOrientationComboBox->itemData(index).toInt()); + + if (orientation == buttonBox->orientation()) + return; + + mainLayout->removeWidget(buttonBox); + + int spacing = mainLayout->spacing(); + + QSize oldSizeHint = buttonBox->sizeHint() + QSize(spacing, spacing); + buttonBox->setOrientation(orientation); + QSize newSizeHint = buttonBox->sizeHint() + QSize(spacing, spacing); + + if (orientation == Qt::Horizontal) { + mainLayout->addWidget(buttonBox, 2, 0); + resize(size() + QSize(-oldSizeHint.width(), newSizeHint.height())); + } else { + mainLayout->addWidget(buttonBox, 0, 3, 2, 1); + resize(size() + QSize(newSizeHint.width(), -oldSizeHint.height())); + } + + mainLayout->setSizeConstraint(QLayout::SetDefaultConstraint); +} + +void Dialog::rotateWidgets() +{ + Q_ASSERT(rotableWidgets.count() % 2 == 0); + + foreach (QWidget *widget, rotableWidgets) + rotableLayout->removeWidget(widget); + + rotableWidgets.enqueue(rotableWidgets.dequeue()); + + const int n = rotableWidgets.count(); + for (int i = 0; i < n / 2; ++i) { + rotableLayout->addWidget(rotableWidgets[n - i - 1], 0, i); + rotableLayout->addWidget(rotableWidgets[i], 1, i); + } +} + +void Dialog::help() +{ + QMessageBox::information(this, tr("Dynamic Layouts Help"), + tr("This example shows how to change layouts " + "dynamically.")); +} + +void Dialog::createRotableGroupBox() +{ + rotableGroupBox = new QGroupBox(tr("Rotable Widgets")); + + rotableWidgets.enqueue(new QSpinBox); + rotableWidgets.enqueue(new QSlider); + rotableWidgets.enqueue(new QDial); + rotableWidgets.enqueue(new QProgressBar); + + int n = rotableWidgets.count(); + for (int i = 0; i < n; ++i) { + connect(rotableWidgets[i], SIGNAL(valueChanged(int)), + rotableWidgets[(i + 1) % n], SLOT(setValue(int))); + } + + rotableLayout = new QGridLayout; + rotableGroupBox->setLayout(rotableLayout); + + rotateWidgets(); +} + +void Dialog::createOptionsGroupBox() +{ + optionsGroupBox = new QGroupBox(tr("Options")); + + buttonsOrientationLabel = new QLabel(tr("Orientation of buttons:")); + + buttonsOrientationComboBox = new QComboBox; + buttonsOrientationComboBox->addItem(tr("Horizontal"), Qt::Horizontal); + buttonsOrientationComboBox->addItem(tr("Vertical"), Qt::Vertical); + + connect(buttonsOrientationComboBox, SIGNAL(currentIndexChanged(int)), + this, SLOT(buttonsOrientationChanged(int))); + + optionsLayout = new QGridLayout; + optionsLayout->addWidget(buttonsOrientationLabel, 0, 0); + optionsLayout->addWidget(buttonsOrientationComboBox, 0, 1); + optionsLayout->setColumnStretch(2, 1); + optionsGroupBox->setLayout(optionsLayout); +} + +void Dialog::createButtonBox() +{ + buttonBox = new QDialogButtonBox; + + closeButton = buttonBox->addButton(QDialogButtonBox::Close); + helpButton = buttonBox->addButton(QDialogButtonBox::Help); + rotateWidgetsButton = buttonBox->addButton(tr("Rotate &Widgets"), + QDialogButtonBox::ActionRole); + + connect(rotateWidgetsButton, SIGNAL(clicked()), this, SLOT(rotateWidgets())); + connect(closeButton, SIGNAL(clicked()), this, SLOT(close())); + connect(helpButton, SIGNAL(clicked()), this, SLOT(help())); +} diff --git a/examples/layouts/dynamiclayouts/dialog.h b/examples/layouts/dynamiclayouts/dialog.h new file mode 100644 index 0000000000..bc1225ad38 --- /dev/null +++ b/examples/layouts/dynamiclayouts/dialog.h @@ -0,0 +1,91 @@ +/**************************************************************************** +** +** 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 DIALOG_H +#define DIALOG_H + +#include +#include + +QT_BEGIN_NAMESPACE +class QComboBox; +class QDialogButtonBox; +class QGridLayout; +class QGroupBox; +class QLabel; +class QPushButton; +QT_END_NAMESPACE + +class Dialog : public QDialog +{ + Q_OBJECT + +public: + Dialog(QWidget *parent = 0); + +private slots: + void buttonsOrientationChanged(int index); + void rotateWidgets(); + void help(); + +private: + void createRotableGroupBox(); + void createOptionsGroupBox(); + void createButtonBox(); + + QGroupBox *rotableGroupBox; + QQueue rotableWidgets; + + QGroupBox *optionsGroupBox; + QLabel *buttonsOrientationLabel; + QComboBox *buttonsOrientationComboBox; + + QDialogButtonBox *buttonBox; + QPushButton *closeButton; + QPushButton *helpButton; + QPushButton *rotateWidgetsButton; + + QGridLayout *mainLayout; + QGridLayout *rotableLayout; + QGridLayout *optionsLayout; +}; + +#endif diff --git a/examples/layouts/dynamiclayouts/dynamiclayouts.pro b/examples/layouts/dynamiclayouts/dynamiclayouts.pro new file mode 100644 index 0000000000..c169dd0fd6 --- /dev/null +++ b/examples/layouts/dynamiclayouts/dynamiclayouts.pro @@ -0,0 +1,9 @@ +HEADERS = dialog.h +SOURCES = dialog.cpp \ + main.cpp + +# install +target.path = $$[QT_INSTALL_EXAMPLES]/layouts/dynamiclayouts +sources.files = $$SOURCES $$HEADERS *.pro +sources.path = $$[QT_INSTALL_EXAMPLES]/layouts/dynamiclayouts +INSTALLS += target sources diff --git a/examples/layouts/dynamiclayouts/main.cpp b/examples/layouts/dynamiclayouts/main.cpp new file mode 100644 index 0000000000..09c49eece3 --- /dev/null +++ b/examples/layouts/dynamiclayouts/main.cpp @@ -0,0 +1,51 @@ +/**************************************************************************** +** +** 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 + +#include "dialog.h" + +int main(int argc, char *argv[]) +{ + QApplication app(argc, argv); + Dialog dialog; + return dialog.exec(); +} diff --git a/examples/layouts/flowlayout/flowlayout.cpp b/examples/layouts/flowlayout/flowlayout.cpp new file mode 100644 index 0000000000..d1e857d591 --- /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 + +#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 0000000000..f864d8eeab --- /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 +#include +#include + +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 itemList; +}; + +#endif diff --git a/examples/layouts/flowlayout/flowlayout.pro b/examples/layouts/flowlayout/flowlayout.pro new file mode 100644 index 0000000000..0e9782459c --- /dev/null +++ b/examples/layouts/flowlayout/flowlayout.pro @@ -0,0 +1,11 @@ +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 diff --git a/examples/layouts/flowlayout/main.cpp b/examples/layouts/flowlayout/main.cpp new file mode 100644 index 0000000000..fa8b0abb9d --- /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 + +#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 0000000000..51d9886721 --- /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 + +#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 0000000000..ffd60af93d --- /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 + +QT_BEGIN_NAMESPACE +class QLabel; +QT_END_NAMESPACE + +class Window : public QWidget +{ + Q_OBJECT + +public: + Window(); +}; + +#endif diff --git a/examples/layouts/layouts.pro b/examples/layouts/layouts.pro new file mode 100644 index 0000000000..9676f4b690 --- /dev/null +++ b/examples/layouts/layouts.pro @@ -0,0 +1,10 @@ +TEMPLATE = subdirs +SUBDIRS = basiclayouts \ + borderlayout \ + dynamiclayouts \ + flowlayout + +# install +sources.files = README *.pro +sources.path = $$[QT_INSTALL_EXAMPLES]/layouts +INSTALLS += sources -- cgit v1.2.1