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-rw-r--r--examples/layouts/anchorlayout/anchorlayout.pro15
-rw-r--r--examples/layouts/anchorlayout/anchorlayout.ui433
-rw-r--r--examples/layouts/anchorlayout/layoutitem.cpp93
-rw-r--r--examples/layouts/anchorlayout/layoutitem.h62
-rw-r--r--examples/layouts/anchorlayout/main.cpp10
-rw-r--r--examples/layouts/anchorlayout/scene.cpp57
-rw-r--r--examples/layouts/anchorlayout/scene.h64
-rw-r--r--examples/layouts/anchorlayout/widgetchooserdelegate.cpp134
-rw-r--r--examples/layouts/anchorlayout/widgetchooserdelegate.h75
-rw-r--r--examples/layouts/anchorlayout/window.cpp517
-rw-r--r--examples/layouts/anchorlayout/window.h60
-rw-r--r--examples/layouts/anchorlayout/xml/linear.xml46
-rw-r--r--examples/layouts/anchorlayout/xml/snake.xml79
13 files changed, 1645 insertions, 0 deletions
diff --git a/examples/layouts/anchorlayout/anchorlayout.pro b/examples/layouts/anchorlayout/anchorlayout.pro
new file mode 100644
index 0000000..8c19404
--- /dev/null
+++ b/examples/layouts/anchorlayout/anchorlayout.pro
@@ -0,0 +1,15 @@
+######################################################################
+# Automatically generated by qmake (2.01a) fr 15. mai 08:51:37 2009
+######################################################################
+
+TEMPLATE = app
+TARGET =
+DEPENDPATH += .
+INCLUDEPATH += .
+
+# Input
+HEADERS += layoutitem.h widgetchooserdelegate.h window.h scene.h
+FORMS += anchorlayout.ui
+SOURCES += layoutitem.cpp main.cpp widgetchooserdelegate.cpp window.cpp scene.cpp
+
+DEFINES += PRO_FILE_PWD=$$_PRO_FILE_PWD_ \ No newline at end of file
diff --git a/examples/layouts/anchorlayout/anchorlayout.ui b/examples/layouts/anchorlayout/anchorlayout.ui
new file mode 100644
index 0000000..f4c061a
--- /dev/null
+++ b/examples/layouts/anchorlayout/anchorlayout.ui
@@ -0,0 +1,433 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>MainWindow</class>
+ <widget class="QMainWindow" name="MainWindow">
+ <property name="geometry">
+ <rect>
+ <x>0</x>
+ <y>0</y>
+ <width>794</width>
+ <height>590</height>
+ </rect>
+ </property>
+ <property name="windowTitle">
+ <string>Anchor layout example</string>
+ </property>
+ <widget class="QWidget" name="centralwidget">
+ <layout class="QVBoxLayout" name="verticalLayout_4">
+ <property name="margin">
+ <number>0</number>
+ </property>
+ <item>
+ <widget class="QGraphicsView" name="graphicsView">
+ <property name="backgroundBrush">
+ <brush brushstyle="SolidPattern">
+ <color alpha="255">
+ <red>0</red>
+ <green>128</green>
+ <blue>0</blue>
+ </color>
+ </brush>
+ </property>
+ <property name="foregroundBrush">
+ <brush brushstyle="NoBrush">
+ <color alpha="255">
+ <red>0</red>
+ <green>0</green>
+ <blue>0</blue>
+ </color>
+ </brush>
+ </property>
+ </widget>
+ </item>
+ </layout>
+ </widget>
+ <widget class="QMenuBar" name="menubar">
+ <property name="geometry">
+ <rect>
+ <x>0</x>
+ <y>0</y>
+ <width>794</width>
+ <height>21</height>
+ </rect>
+ </property>
+ <widget class="QMenu" name="menu_File">
+ <property name="title">
+ <string>&amp;File</string>
+ </property>
+ </widget>
+ <widget class="QMenu" name="menu_View">
+ <property name="title">
+ <string>&amp;View</string>
+ </property>
+ <addaction name="action_Anchors"/>
+ <addaction name="actionLayout_presets"/>
+ <addaction name="action_Item_properties"/>
+ </widget>
+ <addaction name="menu_File"/>
+ <addaction name="menu_View"/>
+ </widget>
+ <widget class="QStatusBar" name="statusbar"/>
+ <widget class="QToolBar" name="toolBar">
+ <property name="windowTitle">
+ <string>toolBar</string>
+ </property>
+ <attribute name="toolBarArea">
+ <enum>TopToolBarArea</enum>
+ </attribute>
+ <attribute name="toolBarBreak">
+ <bool>false</bool>
+ </attribute>
+ <addaction name="actionAdd_item"/>
+ </widget>
+ <widget class="QDockWidget" name="dwAnchors">
+ <property name="sizePolicy">
+ <sizepolicy hsizetype="Preferred" vsizetype="Expanding">
+ <horstretch>0</horstretch>
+ <verstretch>0</verstretch>
+ </sizepolicy>
+ </property>
+ <property name="allowedAreas">
+ <set>Qt::BottomDockWidgetArea|Qt::LeftDockWidgetArea|Qt::RightDockWidgetArea</set>
+ </property>
+ <property name="windowTitle">
+ <string>Anchors</string>
+ </property>
+ <attribute name="dockWidgetArea">
+ <number>1</number>
+ </attribute>
+ <widget class="QWidget" name="dockWidgetContents_3">
+ <layout class="QVBoxLayout" name="verticalLayout_3">
+ <property name="margin">
+ <number>0</number>
+ </property>
+ <item>
+ <widget class="QTableWidget" name="anchors">
+ <property name="sizePolicy">
+ <sizepolicy hsizetype="Preferred" vsizetype="Expanding">
+ <horstretch>0</horstretch>
+ <verstretch>0</verstretch>
+ </sizepolicy>
+ </property>
+ <property name="minimumSize">
+ <size>
+ <width>330</width>
+ <height>0</height>
+ </size>
+ </property>
+ <attribute name="horizontalHeaderDefaultSectionSize">
+ <number>50</number>
+ </attribute>
+ <column>
+ <property name="text">
+ <string>Begin</string>
+ </property>
+ </column>
+ <column>
+ <property name="text">
+ <string>Edge</string>
+ </property>
+ </column>
+ <column>
+ <property name="text">
+ <string>End</string>
+ </property>
+ </column>
+ <column>
+ <property name="text">
+ <string>Edge</string>
+ </property>
+ </column>
+ <column>
+ <property name="text">
+ <string>Min</string>
+ </property>
+ </column>
+ <column>
+ <property name="text">
+ <string>Max</string>
+ </property>
+ </column>
+ </widget>
+ </item>
+ <item>
+ <widget class="QPushButton" name="pbAddAnchor">
+ <property name="text">
+ <string>Add anchor ^^</string>
+ </property>
+ <property name="shortcut">
+ <string>Ctrl+A</string>
+ </property>
+ <property name="flat">
+ <bool>false</bool>
+ </property>
+ </widget>
+ </item>
+ </layout>
+ </widget>
+ </widget>
+ <widget class="QDockWidget" name="dwProperties">
+ <property name="sizePolicy">
+ <sizepolicy hsizetype="Preferred" vsizetype="Maximum">
+ <horstretch>0</horstretch>
+ <verstretch>0</verstretch>
+ </sizepolicy>
+ </property>
+ <property name="windowTitle">
+ <string>Item properties</string>
+ </property>
+ <attribute name="dockWidgetArea">
+ <number>1</number>
+ </attribute>
+ <widget class="QWidget" name="dockWidgetContents">
+ <layout class="QVBoxLayout" name="verticalLayout">
+ <property name="margin">
+ <number>0</number>
+ </property>
+ <item>
+ <widget class="QGroupBox" name="groupBox">
+ <property name="sizePolicy">
+ <sizepolicy hsizetype="Preferred" vsizetype="Maximum">
+ <horstretch>0</horstretch>
+ <verstretch>0</verstretch>
+ </sizepolicy>
+ </property>
+ <property name="title">
+ <string>Item properties</string>
+ </property>
+ <layout class="QGridLayout" name="gridLayout">
+ <item row="0" column="0">
+ <widget class="QLabel" name="label">
+ <property name="text">
+ <string>TextLabel</string>
+ </property>
+ </widget>
+ </item>
+ <item row="0" column="1" colspan="2">
+ <widget class="QLineEdit" name="itemName"/>
+ </item>
+ <item row="1" column="1">
+ <widget class="QLabel" name="label_2">
+ <property name="text">
+ <string>TextLabel</string>
+ </property>
+ </widget>
+ </item>
+ <item row="1" column="2">
+ <widget class="QLabel" name="label_6">
+ <property name="text">
+ <string>TextLabel</string>
+ </property>
+ </widget>
+ </item>
+ <item row="2" column="0">
+ <widget class="QLabel" name="label_3">
+ <property name="text">
+ <string>TextLabel</string>
+ </property>
+ </widget>
+ </item>
+ <item row="2" column="1">
+ <widget class="QDoubleSpinBox" name="itemMinW"/>
+ </item>
+ <item row="2" column="2">
+ <widget class="QDoubleSpinBox" name="itemMinH"/>
+ </item>
+ <item row="3" column="0">
+ <widget class="QLabel" name="label_4">
+ <property name="text">
+ <string>TextLabel</string>
+ </property>
+ </widget>
+ </item>
+ <item row="3" column="1">
+ <widget class="QDoubleSpinBox" name="itemPrefW"/>
+ </item>
+ <item row="3" column="2">
+ <widget class="QDoubleSpinBox" name="itemPrefH"/>
+ </item>
+ <item row="4" column="0">
+ <widget class="QLabel" name="label_5">
+ <property name="text">
+ <string>TextLabel</string>
+ </property>
+ </widget>
+ </item>
+ <item row="4" column="1">
+ <widget class="QDoubleSpinBox" name="itemMaxW"/>
+ </item>
+ <item row="4" column="2">
+ <widget class="QDoubleSpinBox" name="itemMaxH"/>
+ </item>
+ </layout>
+ </widget>
+ </item>
+ </layout>
+ </widget>
+ </widget>
+ <widget class="QDockWidget" name="dwPresets">
+ <property name="sizePolicy">
+ <sizepolicy hsizetype="Preferred" vsizetype="Maximum">
+ <horstretch>0</horstretch>
+ <verstretch>0</verstretch>
+ </sizepolicy>
+ </property>
+ <property name="windowTitle">
+ <string>Layout presets</string>
+ </property>
+ <attribute name="dockWidgetArea">
+ <number>1</number>
+ </attribute>
+ <widget class="QWidget" name="dockWidgetContents_2">
+ <layout class="QVBoxLayout" name="verticalLayout_2">
+ <property name="margin">
+ <number>0</number>
+ </property>
+ <item>
+ <widget class="QListWidget" name="layouts"/>
+ </item>
+ </layout>
+ </widget>
+ </widget>
+ <action name="actionAdd_item">
+ <property name="text">
+ <string>Add item</string>
+ </property>
+ <property name="shortcut">
+ <string>Ctrl+N</string>
+ </property>
+ </action>
+ <action name="action_Anchors">
+ <property name="checkable">
+ <bool>true</bool>
+ </property>
+ <property name="checked">
+ <bool>true</bool>
+ </property>
+ <property name="text">
+ <string>&amp;Anchors</string>
+ </property>
+ </action>
+ <action name="actionLayout_presets">
+ <property name="checkable">
+ <bool>true</bool>
+ </property>
+ <property name="checked">
+ <bool>true</bool>
+ </property>
+ <property name="text">
+ <string>Layout &amp;presets</string>
+ </property>
+ </action>
+ <action name="action_Item_properties">
+ <property name="checkable">
+ <bool>true</bool>
+ </property>
+ <property name="checked">
+ <bool>true</bool>
+ </property>
+ <property name="text">
+ <string>&amp;Item properties</string>
+ </property>
+ </action>
+ </widget>
+ <resources/>
+ <connections>
+ <connection>
+ <sender>actionLayout_presets</sender>
+ <signal>triggered(bool)</signal>
+ <receiver>dwPresets</receiver>
+ <slot>setVisible(bool)</slot>
+ <hints>
+ <hint type="sourcelabel">
+ <x>-1</x>
+ <y>-1</y>
+ </hint>
+ <hint type="destinationlabel">
+ <x>173</x>
+ <y>345</y>
+ </hint>
+ </hints>
+ </connection>
+ <connection>
+ <sender>action_Anchors</sender>
+ <signal>triggered(bool)</signal>
+ <receiver>dwAnchors</receiver>
+ <slot>setVisible(bool)</slot>
+ <hints>
+ <hint type="sourcelabel">
+ <x>-1</x>
+ <y>-1</y>
+ </hint>
+ <hint type="destinationlabel">
+ <x>173</x>
+ <y>169</y>
+ </hint>
+ </hints>
+ </connection>
+ <connection>
+ <sender>action_Item_properties</sender>
+ <signal>triggered(bool)</signal>
+ <receiver>dwProperties</receiver>
+ <slot>setVisible(bool)</slot>
+ <hints>
+ <hint type="sourcelabel">
+ <x>173</x>
+ <y>483</y>
+ </hint>
+ <hint type="destinationlabel">
+ <x>173</x>
+ <y>483</y>
+ </hint>
+ </hints>
+ </connection>
+ <connection>
+ <sender>dwAnchors</sender>
+ <signal>visibilityChanged(bool)</signal>
+ <receiver>action_Anchors</receiver>
+ <slot>setChecked(bool)</slot>
+ <hints>
+ <hint type="sourcelabel">
+ <x>173</x>
+ <y>169</y>
+ </hint>
+ <hint type="destinationlabel">
+ <x>-1</x>
+ <y>-1</y>
+ </hint>
+ </hints>
+ </connection>
+ <connection>
+ <sender>dwPresets</sender>
+ <signal>visibilityChanged(bool)</signal>
+ <receiver>actionLayout_presets</receiver>
+ <slot>setChecked(bool)</slot>
+ <hints>
+ <hint type="sourcelabel">
+ <x>173</x>
+ <y>345</y>
+ </hint>
+ <hint type="destinationlabel">
+ <x>-1</x>
+ <y>-1</y>
+ </hint>
+ </hints>
+ </connection>
+ <connection>
+ <sender>dwProperties</sender>
+ <signal>visibilityChanged(bool)</signal>
+ <receiver>action_Item_properties</receiver>
+ <slot>setChecked(bool)</slot>
+ <hints>
+ <hint type="sourcelabel">
+ <x>173</x>
+ <y>483</y>
+ </hint>
+ <hint type="destinationlabel">
+ <x>-1</x>
+ <y>-1</y>
+ </hint>
+ </hints>
+ </connection>
+ </connections>
+</ui>
diff --git a/examples/layouts/anchorlayout/layoutitem.cpp b/examples/layouts/anchorlayout/layoutitem.cpp
new file mode 100644
index 0000000..b85a589
--- /dev/null
+++ b/examples/layouts/anchorlayout/layoutitem.cpp
@@ -0,0 +1,93 @@
+/****************************************************************************
+**
+** 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 "layoutitem.h"
+#include "scene.h"
+
+LayoutItem::LayoutItem(const QString &name, QGraphicsItem *parent/* = 0*/)
+ : QGraphicsWidget(parent)
+{
+ setData(0, name);
+ setGraphicsItem(this);
+ setFocusPolicy(Qt::ClickFocus);
+}
+
+LayoutItem::~LayoutItem()
+{
+}
+
+void LayoutItem::paint(QPainter *painter,
+ const QStyleOptionGraphicsItem *option, QWidget *widget /*= 0*/)
+{
+ Q_UNUSED(widget);
+ Q_UNUSED(option);
+
+ // text
+ QString name = graphicsItem()->data(0).toString();
+ painter->drawText(rect(), Qt::AlignCenter, name);
+
+ // rect
+ if (Scene *scn = static_cast<Scene*>(scene())) {
+ if (scn->lastFocusItem() == this) {
+ QPen pen(Qt::blue, 2.0);
+ painter->setPen(pen);
+ }
+ }
+ painter->drawRoundedRect(rect(), 5, 5);
+}
+
+void LayoutItem::focusInEvent(QFocusEvent *event)
+{
+ if (Scene *scn = static_cast<Scene*>(scene())) {
+ scn->emitFocusItemChanged(this);
+ }
+ QGraphicsWidget::focusInEvent(event);
+}
+
+void LayoutItem::focusOutEvent(QFocusEvent *event)
+{
+ if (Scene *scn = static_cast<Scene*>(scene())) {
+ scn->emitFocusItemChanged(0);
+ }
+ QGraphicsWidget::focusOutEvent(event);
+}
+
+
diff --git a/examples/layouts/anchorlayout/layoutitem.h b/examples/layouts/anchorlayout/layoutitem.h
new file mode 100644
index 0000000..86c0b06
--- /dev/null
+++ b/examples/layouts/anchorlayout/layoutitem.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 LAYOUTITEM_H
+#define LAYOUTITEM_H
+
+#include <QtGui>
+
+class LayoutItem : public QGraphicsWidget
+{
+ Q_OBJECT
+public:
+ LayoutItem(const QString &name, QGraphicsItem *parent = 0);
+ ~LayoutItem();
+
+ void paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
+ QWidget *widget = 0);
+ void focusInEvent(QFocusEvent *event);
+ void focusOutEvent(QFocusEvent *event);
+
+};
+
+
+#endif
diff --git a/examples/layouts/anchorlayout/main.cpp b/examples/layouts/anchorlayout/main.cpp
new file mode 100644
index 0000000..d0e6ee7
--- /dev/null
+++ b/examples/layouts/anchorlayout/main.cpp
@@ -0,0 +1,10 @@
+#include "window.h"
+#include <QtGui/qapplication.h>
+
+int main(int argc, char **argv)
+{
+ QApplication app(argc, argv);
+ Window *w = new Window;
+ w->show();
+ return app.exec();
+} \ No newline at end of file
diff --git a/examples/layouts/anchorlayout/scene.cpp b/examples/layouts/anchorlayout/scene.cpp
new file mode 100644
index 0000000..68b4002
--- /dev/null
+++ b/examples/layouts/anchorlayout/scene.cpp
@@ -0,0 +1,57 @@
+/****************************************************************************
+**
+** 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 "scene.h"
+
+Scene::Scene() : QGraphicsScene()
+{
+
+}
+
+void Scene::emitFocusItemChanged(QGraphicsItem *item)
+{
+ if (hasFocus()) { // when leaving the view, we want to remember the last focused item
+ emit focusItemChanged(item);
+ m_lastFocusItem = item;
+ }
+}
+
+
diff --git a/examples/layouts/anchorlayout/scene.h b/examples/layouts/anchorlayout/scene.h
new file mode 100644
index 0000000..ba7f5d8
--- /dev/null
+++ b/examples/layouts/anchorlayout/scene.h
@@ -0,0 +1,64 @@
+/****************************************************************************
+**
+** 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 SCENE_H
+#define SCENE_H
+
+#include <QtGui/qgraphicsscene.h>
+
+class Scene : public QGraphicsScene
+{
+ Q_OBJECT
+public:
+ Scene();
+
+ void emitFocusItemChanged(QGraphicsItem *item);
+ QGraphicsItem *lastFocusItem() { return m_lastFocusItem; }
+
+Q_SIGNALS:
+ void focusItemChanged(QGraphicsItem *item);
+
+private:
+ QGraphicsItem *m_lastFocusItem;
+
+};
+
+#endif // SCENE_H
diff --git a/examples/layouts/anchorlayout/widgetchooserdelegate.cpp b/examples/layouts/anchorlayout/widgetchooserdelegate.cpp
new file mode 100644
index 0000000..0f988c1
--- /dev/null
+++ b/examples/layouts/anchorlayout/widgetchooserdelegate.cpp
@@ -0,0 +1,134 @@
+/****************************************************************************
+**
+** 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 "widgetchooserdelegate.h"
+
+
+WidgetChooserDelegate::WidgetChooserDelegate(QVector<QGraphicsLayoutItem*> *layoutItems,
+ QGraphicsLayout *layout,
+ QWidget *parent /*= 0*/)
+: QStyledItemDelegate(parent), m_layoutItems(layoutItems), m_layout(layout)
+{
+}
+
+static const char *edges[] = {
+ "Left",
+ "HCenter",
+ "Right",
+ "Top",
+ "VCenter",
+ "Bottom"
+ };
+
+QWidget *WidgetChooserDelegate::createEditor(QWidget *parent,
+ const QStyleOptionViewItem &option,
+ const QModelIndex &index) const
+
+{
+ int column = index.column();
+ if (column == 0 || column == 2) {
+ // first and second anchor items
+ QComboBox *chooser = new QComboBox(parent);
+ chooser->addItem(QLatin1String("layout"),
+ qVariantFromValue(reinterpret_cast<void*>(m_layout)));
+ for (int i = 0; i < m_layoutItems->count(); ++i) {
+ QGraphicsLayoutItem *item = m_layoutItems->at(i);
+ chooser->addItem(item->graphicsItem()->data(0).toString(),
+ qVariantFromValue(reinterpret_cast<void*>(item)));
+ }
+ connect(chooser, SIGNAL(currentIndexChanged(int)),
+ this, SLOT(commitAndCloseEditor()));
+ return chooser;
+ } else if (column == 1 || column == 3) {
+ // first and second anchor edges
+ QComboBox *chooser = new QComboBox(parent);
+ for (int i = 0; i < sizeof(edges)/sizeof(char*); ++i) {
+ chooser->addItem(QLatin1String(edges[i]), i);
+ }
+ connect(chooser, SIGNAL(currentIndexChanged(int)),
+ this, SLOT(commitAndCloseEditor()));
+ return chooser;
+ } else {
+ return QStyledItemDelegate::createEditor(parent, option, index);
+ }
+}
+
+void WidgetChooserDelegate::setEditorData(QWidget *editor,
+ const QModelIndex &index) const
+{
+ if (QComboBox *chooser = qobject_cast<QComboBox*>(editor)) {
+ int column = index.column();
+ if (column >= 0 && column <= 3) {
+ QVariant data = index.data(Qt::UserRole);
+ int index = chooser->findData(data);
+ if (index >= 0) {
+ chooser->setCurrentIndex(index);
+ }
+ }
+ } else {
+ QStyledItemDelegate::setEditorData(editor, index);
+ }
+}
+
+void WidgetChooserDelegate::setModelData(QWidget *editor, QAbstractItemModel *model,
+ const QModelIndex &index) const
+{
+ if (QComboBox *chooser = qobject_cast<QComboBox*>(editor)) {
+ int column = index.column();
+ if (column >= 0 && column <= 3) {
+ int currentIndex = chooser->currentIndex();
+ model->setData(index, chooser->itemText(currentIndex));
+ model->setData(index, chooser->itemData(currentIndex), Qt::UserRole);
+ }
+ } else {
+ QStyledItemDelegate::setModelData(editor, model, index);
+ }
+}
+
+void WidgetChooserDelegate::commitAndCloseEditor()
+{
+ QComboBox *editor = qobject_cast<QComboBox *>(sender());
+ emit commitData(editor);
+ emit closeEditor(editor);
+}
+
diff --git a/examples/layouts/anchorlayout/widgetchooserdelegate.h b/examples/layouts/anchorlayout/widgetchooserdelegate.h
new file mode 100644
index 0000000..50b9e48
--- /dev/null
+++ b/examples/layouts/anchorlayout/widgetchooserdelegate.h
@@ -0,0 +1,75 @@
+/****************************************************************************
+**
+** 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 STARDELEGATE_H
+#define STARDELEGATE_H
+
+#include <QStyledItemDelegate>
+
+#include <QtCore/qvector.h>
+
+class QGraphicsLayoutItem;
+class QGraphicsLayout;
+
+class WidgetChooserDelegate : public QStyledItemDelegate
+{
+ Q_OBJECT
+
+public:
+ WidgetChooserDelegate(QVector<QGraphicsLayoutItem*> *layoutItems,
+ QGraphicsLayout *layout,
+ QWidget *parent = 0);
+
+ QWidget *createEditor(QWidget *parent, const QStyleOptionViewItem &option,
+ const QModelIndex &index) const;
+ void setEditorData(QWidget *editor, const QModelIndex &index) const;
+ void setModelData(QWidget *editor, QAbstractItemModel *model,
+ const QModelIndex &index) const;
+
+private slots:
+ void commitAndCloseEditor();
+
+private:
+ QVector<QGraphicsLayoutItem*> *m_layoutItems;
+ QGraphicsLayout *m_layout;
+};
+
+#endif
diff --git a/examples/layouts/anchorlayout/window.cpp b/examples/layouts/anchorlayout/window.cpp
new file mode 100644
index 0000000..50a1bae
--- /dev/null
+++ b/examples/layouts/anchorlayout/window.cpp
@@ -0,0 +1,517 @@
+#include "window.h"
+#include "layoutitem.h"
+#include "scene.h"
+#include "widgetchooserdelegate.h"
+
+#include <QtGui/qgraphicswidget.h>
+#include <QtGui/qgraphicsanchorlayout.h>
+
+static QGraphicsLayoutItem *layoutItem(const QVariant &data)
+{
+ return reinterpret_cast<QGraphicsLayoutItem *>(qVariantValue<void *>(data));
+}
+
+static QString nodeName(QGraphicsLayoutItem *item)
+{
+ QString str = item->isLayout() ? QLatin1String("layout") : item->graphicsItem()->data(0).toString();
+ str.replace(QLatin1Char(' '), QLatin1Char('_'));
+ return str;
+}
+
+#define _QUOTEMACRO(x) #x
+#define QUOTEMACRO(x) _QUOTEMACRO(x)
+
+Window::Window(QWidget *parent)
+ : QMainWindow(parent), m_inAddAnchor(false)
+{
+ m_ui.setupUi(this);
+ m_scene = new Scene;
+
+ m_ui.graphicsView->setScene(m_scene);
+ connect(m_scene, SIGNAL(focusItemChanged(QGraphicsItem*)), this, SLOT(scene_focusItemChanged(QGraphicsItem*)));
+
+ m_window = new QGraphicsWidget(0, Qt::Window);
+ m_scene->addItem(m_window);
+ m_layout = new QGraphicsAnchorLayout(m_window);
+ m_window->setLayout(m_layout);
+ m_window->resize(400, 300);
+
+ findLayoutFiles();
+
+ WidgetChooserDelegate *delegate = new WidgetChooserDelegate(&m_layoutItems, m_layout, m_ui.anchors);
+ m_ui.anchors->setItemDelegate(delegate);
+
+}
+
+void Window::findLayoutFiles()
+{
+ m_ignoreCurrentLayoutChange = true;
+ QLatin1String s(QUOTEMACRO(PRO_FILE_PWD)"/xml");
+ QDirIterator it(s);
+ while (it.hasNext()) {
+ it.next();
+ QFileInfo fi = it.fileInfo();
+ QString baseName = fi.baseName();
+ if (!baseName.isEmpty()) { // avoid "." and ".."
+ m_ui.layouts->addItem(baseName);
+ }
+ }
+ m_ignoreCurrentLayoutChange = false;
+}
+
+void Window::on_layouts_currentRowChanged(int row)
+{
+ if (m_ignoreCurrentLayoutChange)
+ return;
+
+ QListWidgetItem *item = m_ui.layouts->item(row);
+ if (item) {
+ QString fileName = QString::fromAscii("%1/xml/%2.xml").arg(QUOTEMACRO(PRO_FILE_PWD), item->text());
+ if (!loadLayout(fileName, m_layout)) {
+ qWarning("could not find %s", qPrintable(fileName));
+ }
+ }
+}
+
+void Window::on_anchors_cellChanged(int row, int column)
+{
+ Q_UNUSED(row);
+ Q_UNUSED(column);
+ if (!m_inAddAnchor)
+ rebuildLayout();
+}
+
+
+void Window::on_pbAddAnchor_clicked(bool)
+{
+ addAnchorRow();
+}
+
+void Window::on_actionAdd_item_triggered(bool checked)
+{
+ addItem();
+}
+
+void Window::on_itemName_textEdited(const QString & )
+{
+ updateItem();
+}
+
+void Window::on_itemMinW_valueChanged(double )
+{
+ updateItem();
+}
+
+void Window::on_itemMinH_valueChanged(double )
+{
+ updateItem();
+}
+
+void Window::on_itemPrefW_valueChanged(double )
+{
+ updateItem();
+}
+
+void Window::on_itemPrefH_valueChanged(double )
+{
+ updateItem();
+}
+
+void Window::on_itemMaxW_valueChanged(double )
+{
+ updateItem();
+}
+
+void Window::on_itemMaxH_valueChanged(double )
+{
+ updateItem();
+}
+
+void Window::scene_focusItemChanged(QGraphicsItem *item)
+{
+ bool isItemValid = item && item->isWidget();
+ m_ui.groupBox->setEnabled(isItemValid);
+ QGraphicsLayoutItem *newCurrentItem = m_currentItem;
+ m_currentItem = 0;
+ if (isItemValid) {
+ QGraphicsWidget *w = static_cast<QGraphicsWidget *>(item);
+ setItemData(item->data(0).toString(), w->minimumSize(), w->preferredSize(), w->maximumSize());
+ newCurrentItem = w;
+ } else {
+ setItemData(QString(), QSizeF(), QSizeF(), QSizeF());
+ }
+ m_currentItem = newCurrentItem;
+}
+
+void Window::updateItem()
+{
+ if (!m_currentItem)
+ return;
+ if (QGraphicsItem *gi = m_currentItem->graphicsItem()) {
+ gi->setData(0, m_ui.itemName->text());
+ gi->update();
+ }
+ QSizeF min(m_ui.itemMinW->value(), m_ui.itemMinH->value());
+ QSizeF pref(m_ui.itemPrefW->value(), m_ui.itemPrefH->value());
+ QSizeF max(m_ui.itemMaxW->value(), m_ui.itemMaxH->value());
+
+ if (min.isValid())
+ m_currentItem->setMinimumSize(min);
+ if (pref.isValid())
+ m_currentItem->setPreferredSize(pref);
+ if (max.isValid())
+ m_currentItem->setMaximumSize(max);
+}
+
+void Window::rebuildLayout()
+{
+ int i;
+ for (i = m_layout->count(); i > 0; --i) {
+ m_layout->removeAt(0);
+ }
+
+ int rc = m_ui.anchors->rowCount();
+ for (i = 0; i < rc; ++i) {
+ bool ok;
+
+ QGraphicsLayoutItem *startItem = layoutItemAt(m_ui.anchors->model(), i, 0);
+ if (!startItem)
+ continue;
+ QGraphicsAnchorLayout::Edge startEdge = (QGraphicsAnchorLayout::Edge)(m_ui.anchors->item(i, 1)->data(Qt::UserRole).toInt(&ok));
+ if (!ok)
+ continue;
+ QGraphicsLayoutItem *endItem = layoutItemAt(m_ui.anchors->model(), i, 2);
+ if (!endItem)
+ continue;
+ QGraphicsAnchorLayout::Edge endEdge = (QGraphicsAnchorLayout::Edge)(m_ui.anchors->item(i, 3)->data(Qt::UserRole).toInt(&ok));
+ if (!ok)
+ continue;
+
+ QString strStart = nodeName(startItem);
+ QString strEnd = nodeName(endItem);
+ m_layout->anchor(startItem, startEdge, endItem, endEdge);
+ }
+}
+
+void Window::setItemData(const QString &name, const QSizeF &min, const QSizeF &pref, const QSizeF &max)
+{
+ m_ui.itemName->setText(name);
+ m_ui.itemMinW->setValue(min.width());
+ m_ui.itemMinH->setValue(min.height());
+ m_ui.itemPrefW->setValue(pref.width());
+ m_ui.itemPrefH->setValue(pref.height());
+ m_ui.itemMaxW->setValue(max.width());
+ m_ui.itemMaxH->setValue(max.height());
+}
+
+QGraphicsLayoutItem *Window::addItem(const QString &name)
+{
+ int rc = m_layoutItems.count();
+ QString effectiveName = name.isEmpty() ? QString::fromAscii("item %1").arg(rc + 1) : name;
+ QGraphicsLayoutItem *layoutItem = new LayoutItem(effectiveName, m_window);
+ m_layoutItems.append(layoutItem);
+ m_scene->setFocusItem(layoutItem->graphicsItem());
+ return layoutItem;
+}
+
+static const char *strEdges[] = {"Left",
+ "HCenter",
+ "Right",
+ "Top",
+ "VCenter",
+ "Bottom"};
+
+void Window::setAnchorData(QGraphicsLayoutItem *startItem, const QString &startName, QGraphicsAnchorLayout::Edge startEdge,
+ QGraphicsLayoutItem *endItem, const QString &endName, QGraphicsAnchorLayout::Edge endEdge, int row /*= -1*/)
+{
+ if (row == -1) {
+ row = m_ui.anchors->rowCount();
+ m_ui.anchors->insertRow(row);
+ }
+ m_inAddAnchor = true;
+
+ QTableWidgetItem *item = new QTableWidgetItem;
+ item->setData(Qt::UserRole, qVariantFromValue<void*>(reinterpret_cast<void*>(startItem)));
+ item->setData(Qt::DisplayRole, startName);
+ m_ui.anchors->setItem(row, 0, item);
+
+ item = new QTableWidgetItem;
+ item->setData(Qt::UserRole, int(startEdge));
+ item->setData(Qt::DisplayRole, QLatin1String(strEdges[startEdge]));
+ m_ui.anchors->setItem(row, 1, item);
+
+ item = new QTableWidgetItem;
+ item->setData(Qt::UserRole, qVariantFromValue<void*>(reinterpret_cast<void*>(endItem)));
+ item->setData(Qt::DisplayRole, endName);
+ m_ui.anchors->setItem(row, 2, item);
+
+ item = new QTableWidgetItem;
+ item->setData(Qt::UserRole, int(endEdge));
+ item->setData(Qt::DisplayRole, QLatin1String(strEdges[endEdge]));
+ m_ui.anchors->setItem(row, 3, item);
+
+ item = new QTableWidgetItem;
+ item->setData(Qt::DisplayRole, 6);
+ m_ui.anchors->setItem(row, 4, item);
+
+ item = new QTableWidgetItem;
+ item->setData(Qt::DisplayRole, 6);
+ m_ui.anchors->setItem(row, 5, item);
+ m_inAddAnchor = false;
+
+}
+
+void Window::addAnchorRow()
+{
+ int rc = m_ui.anchors->rowCount();
+ QGraphicsLayoutItem *defaultLayoutItem = m_layout;
+ if (m_layoutItems.count() > 0) {
+ defaultLayoutItem = m_layoutItems.at(0);
+ }
+
+ m_ui.anchors->insertRow(rc);
+
+ if (defaultLayoutItem) {
+ QString defaultName = defaultLayoutItem->isLayout() ?
+ QLatin1String("layout") :
+ defaultLayoutItem->graphicsItem()->data(0).toString();
+ setAnchorData(defaultLayoutItem, defaultName, QGraphicsAnchorLayout::Right, defaultLayoutItem, defaultName, QGraphicsAnchorLayout::Left, rc);
+ rebuildLayout();
+ }
+}
+
+QGraphicsLayoutItem *Window::layoutItemAt(QAbstractItemModel *model, int row, int column /*= 0*/)
+{
+ int rc = model->rowCount();
+ QGraphicsLayoutItem *item = 0;
+ if (row < rc) {
+ QVariant data = model->data(model->index(row, column), Qt::UserRole);
+ if (data.isValid()) {
+ item = layoutItem(data);
+ }
+ }
+ return item;
+}
+
+bool Window::saveLayout(const QString& fileName)
+{
+ bool ok;
+#if 0
+ QFile out(fileName);
+ ok = out.open(QIODevice::WriteOnly);
+
+ if (ok) {
+ int i;
+ out.write("graph anchorlayout {\nnode [shape=\"rect\"]\n\n");
+ for (i = 0; i < m_ui.items->rowCount(); ++i) {
+ // name, min, pref, max
+ QTableWidgetItem *item = m_ui.items->item(i, 0);
+ QGraphicsLayoutItem *li = layoutItem(item->data(Qt::UserRole));
+ if (li == m_layout)
+ continue;
+ out.write(qPrintable(QString::fromAscii("%1 [label=\"%1\"]\n").arg(nodeName(li))));
+ }
+ out.write("\n\n");
+ static const char *compass = "wnes";
+ for (i = 0; i < m_ui.anchors->rowCount(); ++i) {
+ // name, min, pref, max
+ bool ok;
+ QGraphicsLayoutItem *startItem = layoutItem(m_ui.anchors->item(i, 0)->data(Qt::UserRole));
+
+ QGraphicsAnchorLayout::Edge startEdge = (QGraphicsAnchorLayout::Edge)(m_ui.anchors->item(i, 1)->data(Qt::UserRole).toInt(&ok));
+ if (!ok)
+ continue;
+
+ QGraphicsLayoutItem *endItem = layoutItem(m_ui.anchors->item(i, 2)->data(Qt::UserRole));
+
+ QGraphicsAnchorLayout::Edge endEdge = (QGraphicsAnchorLayout::Edge)(m_ui.anchors->item(i, 3)->data(Qt::UserRole).toInt(&ok));
+ if (!ok)
+ continue;
+
+ out.write(qPrintable(QString::fromAscii("%1:%2--%3:%4 [label=\"[%5,%6]\"]\n")
+ .arg(nodeName(startItem))
+ .arg(QLatin1Char(compass[int(startEdge)]))
+ .arg(nodeName(endItem))
+ .arg(QLatin1Char(compass[int(endEdge)]))
+ .arg(1)
+ .arg(1)
+ .arg(2)));
+ }
+ out.write("}");
+ out.close();
+ }
+#endif
+ return ok;
+}
+
+static bool parseProperty(QXmlStreamReader *xml, QString *name, QSizeF *size)
+{
+ QString propName = xml->attributes().value("name").toString();
+ QSizeF sz;
+ while (!xml->atEnd()) {
+ xml->readNext();
+ if (xml->isStartElement() && xml->name() == QLatin1String("size")) {
+ QXmlStreamAttributes attrs = xml->attributes();
+ QString sw = attrs.value("width").toString();
+ QString sh = attrs.value("height").toString();
+ bool ok;
+ float w = sw.toFloat(&ok);
+ if (ok) {
+ sz.setWidth(w);
+ }
+
+ float h = sw.toFloat(&ok);
+ if (ok) {
+ sz.setHeight(h);
+ }
+
+ }
+ if (xml->isEndElement() && xml->name() == QLatin1String("property")) {
+ if (name && size && sz.isValid()) {
+ *name = propName;
+ *size = sz;
+ return true;
+ }
+ }
+ }
+ return false;
+}
+
+static bool parseEdge(const QString &itemEdge, QByteArray *id, QGraphicsAnchorLayout::Edge *edge)
+{
+ QStringList item_edge = itemEdge.split(QLatin1Char('.'));
+ bool ok = item_edge.count() == 2;
+ if (ok) {
+ QByteArray strEdge = item_edge.at(1).toAscii().toLower();
+ if (strEdge == "left") {
+ *edge = QGraphicsAnchorLayout::Left;
+ } else if (strEdge == "hcenter") {
+ *edge = QGraphicsAnchorLayout::HCenter;
+ } else if (strEdge == "right") {
+ *edge = QGraphicsAnchorLayout::Right;
+ } else if (strEdge == "top") {
+ *edge = QGraphicsAnchorLayout::Top;
+ } else if (strEdge == "vcenter") {
+ *edge = QGraphicsAnchorLayout::VCenter;
+ } else if (strEdge == "bottom") {
+ *edge = QGraphicsAnchorLayout::Bottom;
+ } else {
+ ok = false;
+ }
+ if (ok)
+ *id = item_edge.at(0).toAscii();
+ }
+ return ok;
+}
+
+bool Window::loadLayout(const QString& fileName, QGraphicsAnchorLayout *layout)
+{
+ QFile input(fileName);
+ bool ok = input.open(QIODevice::ReadOnly | QIODevice::Text);
+ if (ok) {
+ int i;
+ for (i = 0; i < m_layoutItems.count(); ++i) {
+ QGraphicsLayoutItem *item = m_layoutItems.at(i);
+ delete item;
+ }
+
+ m_layoutItems.clear();
+ m_ui.anchors->setRowCount(0);
+
+ QLatin1String str_anchorlayout("anchorlayout");
+ QLatin1String str_item("item");
+ QLatin1String str_property("property");
+ QXmlStreamReader xml(&input);
+
+ int level = 0;
+ QHash<QByteArray, QGraphicsLayoutItem*> hash;
+ QString item_id;
+ QSizeF min, pref, max;
+
+ while (!xml.atEnd()) {
+ QXmlStreamReader::TokenType token = xml.readNext();
+ switch (token) {
+ case QXmlStreamReader::StartDocument:
+ break;
+ case QXmlStreamReader::StartElement:
+ if (level == 0 && xml.name() == str_anchorlayout) {
+
+ } else if (level == 1 && xml.name() == str_item) {
+ item_id = xml.attributes().value("id").toString();
+ } else if (level == 1 && xml.name() == QLatin1String("anchor")) {
+ QXmlStreamAttributes attrs = xml.attributes();
+ QString first = attrs.value("first").toString();
+ QString second = attrs.value("second").toString();
+ QByteArray startID;
+ QGraphicsAnchorLayout::Edge startEdge;
+ QGraphicsLayoutItem *startItem = 0;
+ if (parseEdge(first, &startID, &startEdge)) {
+ if (startID == "this") {
+ startID = "layout";
+ startItem = layout;
+ } else {
+ startItem = hash.value(startID);
+ }
+ } else {
+ qWarning("%s is not a valid edge description", qPrintable(first));
+ break;
+ }
+
+ QByteArray endID;
+ QGraphicsAnchorLayout::Edge endEdge;
+ QGraphicsLayoutItem *endItem = 0;
+ if (parseEdge(second, &endID, &endEdge)) {
+ if (endID == "this") {
+ endID = "layout";
+ endItem = layout;
+ } else {
+ endItem = hash.value(endID);
+ }
+ } else {
+ qWarning("%s is not a valid edge description", qPrintable(second));
+ break;
+ }
+ setAnchorData( startItem, startID, startEdge,
+ endItem, endID, endEdge, -1);
+ } else if (level == 2 && xml.name() == str_property) {
+ QString name;
+ QSizeF size;
+ if (parseProperty(&xml, &name, &size)) {
+ if (name == QLatin1String("minimumSize")) {
+ min = size;
+ } else if (name == QLatin1String("preferredSize")) {
+ pref = size;
+ } else if (name == QLatin1String("maximumSize")) {
+ max = size;
+ }
+ break;
+ }
+ } else {
+ --level;
+ }
+ ++level;
+ break;
+ case QXmlStreamReader::EndElement:
+ if (xml.name() == str_anchorlayout) {
+ }
+ if (xml.name() == str_item) {
+ QGraphicsLayoutItem *item = addItem(item_id);
+ item->setMinimumSize(min);
+ item->setPreferredSize(pref);
+ item->setMaximumSize(max);
+ hash.insert(item_id.toAscii(), item);
+ }
+ --level;
+ break;
+ }
+ }
+ if (xml.hasError()) {
+ // do error handling
+ qWarning("%s", qPrintable(xml.errorString()));
+ }
+ input.close();
+ }
+ if (ok)
+ rebuildLayout();
+ return ok;
+}
diff --git a/examples/layouts/anchorlayout/window.h b/examples/layouts/anchorlayout/window.h
new file mode 100644
index 0000000..34be649
--- /dev/null
+++ b/examples/layouts/anchorlayout/window.h
@@ -0,0 +1,60 @@
+#ifndef WINDOW_H
+#define WINDOW_H
+
+#include "ui_anchorlayout.h"
+#include <QtGui/qgraphicsanchorlayout.h>
+
+class QGraphicsWidget;
+class Scene;
+
+class Window : public QMainWindow
+{
+ Q_OBJECT
+public:
+ Window(QWidget *parent = 0);
+
+private slots:
+ void on_anchors_cellChanged(int row, int column);
+ void on_pbAddAnchor_clicked(bool);
+ void on_actionAdd_item_triggered(bool checked);
+ void on_layouts_currentRowChanged(int row);
+ void on_itemName_textEdited(const QString &text);
+ void on_itemMinW_valueChanged(double d);
+ void on_itemMinH_valueChanged(double d);
+ void on_itemPrefW_valueChanged(double d);
+ void on_itemPrefH_valueChanged(double d);
+ void on_itemMaxW_valueChanged(double d);
+ void on_itemMaxH_valueChanged(double d);
+
+
+
+ // not in ui file
+ void scene_focusItemChanged(QGraphicsItem *item);
+private:
+ void updateItem();
+ void setItemData(const QString &name, const QSizeF &min, const QSizeF &pref, const QSizeF &max);
+ QGraphicsLayoutItem *addItem(const QString &name = QString());
+ void addAnchorRow();
+ void setAnchorData(QGraphicsLayoutItem *startItem, const QString &startName, QGraphicsAnchorLayout::Edge startEdge,
+ QGraphicsLayoutItem *endItem, const QString &endName, QGraphicsAnchorLayout::Edge endEdge, int row = -1);
+
+ bool saveLayout(const QString& fileName);
+ bool loadLayout(const QString& fileName, QGraphicsAnchorLayout *layout);
+ void findLayoutFiles();
+
+ void rebuildLayout();
+ QGraphicsLayoutItem *layoutItemAt(QAbstractItemModel *mode, int row, int column = 0);
+
+ Ui::MainWindow m_ui;
+ Scene *m_scene;
+ bool m_changingCell;
+ QGraphicsWidget *m_window;
+ QGraphicsAnchorLayout *m_layout;
+ QVector<QGraphicsLayoutItem*> m_layoutItems;
+ QGraphicsLayoutItem *m_currentItem;
+ bool m_inAddAnchor;
+ bool m_ignoreCurrentLayoutChange;
+};
+
+#endif // WINDOW_H
+
diff --git a/examples/layouts/anchorlayout/xml/linear.xml b/examples/layouts/anchorlayout/xml/linear.xml
new file mode 100644
index 0000000..723b72b
--- /dev/null
+++ b/examples/layouts/anchorlayout/xml/linear.xml
@@ -0,0 +1,46 @@
+<?xml version="1.0"?>
+<anchorlayout>
+ <item id="item1">
+ <property name="minimumSize">
+ <size width="10" height="10"/>
+ </property>
+ <property name="preferredSize">
+ <size width="50" height="50"/>
+ </property>
+ <property name="maximumSize">
+ <size width="100" height="100"/>
+ </property>
+ </item>
+ <item id="item2">
+ <property name="minimumSize">
+ <size width="10" height="10"/>
+ </property>
+ <property name="preferredSize">
+ <size width="50" height="50"/>
+ </property>
+ <property name="maximumSize">
+ <size width="100" height="100"/>
+ </property>
+ </item>
+ <item id="item3">
+ <property name="minimumSize">
+ <size width="10" height="10"/>
+ </property>
+ <property name="preferredSize">
+ <size width="50" height="50"/>
+ </property>
+ <property name="maximumSize">
+ <size width="100" height="100"/>
+ </property>
+ </item>
+
+ <anchor first="this.Left" second="item1.Left"/>
+ <anchor first="item1.Right" second="item2.Left"/>
+ <anchor first="item2.Right" second="item3.Left"/>
+ <anchor first="item3.Right" second="this.Right"/>
+
+ <anchor first="this.Top" second="item1.Top"/>
+ <anchor first="this.Top" second="item2.Top"/>
+ <anchor first="this.Top" second="item3.Top"/>
+
+</anchorlayout> \ No newline at end of file
diff --git a/examples/layouts/anchorlayout/xml/snake.xml b/examples/layouts/anchorlayout/xml/snake.xml
new file mode 100644
index 0000000..22b1a6d
--- /dev/null
+++ b/examples/layouts/anchorlayout/xml/snake.xml
@@ -0,0 +1,79 @@
+<?xml version="1.0"?>
+<anchorlayout>
+ <item id="item1">
+ <property name="minimumSize">
+ <size width="10" height="10"/>
+ </property>
+ <property name="preferredSize">
+ <size width="50" height="50"/>
+ </property>
+ <property name="maximumSize">
+ <size width="100" height="100"/>
+ </property>
+ </item>
+ <item id="item2">
+ <property name="minimumSize">
+ <size width="10" height="10"/>
+ </property>
+ <property name="preferredSize">
+ <size width="50" height="50"/>
+ </property>
+ <property name="maximumSize">
+ <size width="100" height="100"/>
+ </property>
+ </item>
+ <item id="item3">
+ <property name="minimumSize">
+ <size width="10" height="10"/>
+ </property>
+ <property name="preferredSize">
+ <size width="50" height="50"/>
+ </property>
+ <property name="maximumSize">
+ <size width="100" height="100"/>
+ </property>
+ </item>
+ <item id="item4">
+ <property name="minimumSize">
+ <size width="10" height="10"/>
+ </property>
+ <property name="preferredSize">
+ <size width="50" height="50"/>
+ </property>
+ <property name="maximumSize">
+ <size width="100" height="100"/>
+ </property>
+ </item>
+ <item id="item5">
+ <property name="minimumSize">
+ <size width="10" height="10"/>
+ </property>
+ <property name="preferredSize">
+ <size width="50" height="50"/>
+ </property>
+ <property name="maximumSize">
+ <size width="100" height="100"/>
+ </property>
+ </item>
+ <!--
+ -->
+
+ <!-- Horizontal anchors -->
+ <anchor first="this.Left" second="item1.Left"/>
+ <anchor first="item1.Right" second="item2.Right"/>
+ <anchor first="item1.Right" second="item4.Right"/>
+ <anchor first="item3.Right" second="item4.Left"/>
+ <anchor first="item2.Left" second="item5.Left"/>
+ <anchor first="item3.Left" second="item5.Left"/>
+ <anchor first="item5.Right" second="this.Right"/>
+
+ <!-- Vertical anchors -->
+ <anchor first="this.Top" second="item1.Top"/>
+ <anchor first="item1.Bottom" second="item2.Top"/>
+ <anchor first="item2.Bottom" second="item3.Top"/>
+ <anchor first="item2.Bottom" second="item4.Top"/>
+ <anchor first="item4.Bottom" second="item5.Top"/>
+ <anchor first="item3.Bottom" second="item5.Top"/>
+ <anchor first="item5.Bottom" second="this.Bottom"/>
+
+</anchorlayout> \ No newline at end of file
generated by cgit v0.12 at 2024-10-21 18:59:10 (GMT)