tests/benchmarks/uimodels/GraphicsViewBenchmark/widgets/menu.cpp
changeset 3 41300fa6a67c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/benchmarks/uimodels/GraphicsViewBenchmark/widgets/menu.cpp	Tue Feb 02 00:43:10 2010 +0200
@@ -0,0 +1,202 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Nokia Corporation (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 http://qt.nokia.com/contact.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QGraphicsView>
+#include <QGraphicsWidget>
+#include <QGraphicsLinearLayout>
+#include <QList>
+
+#include "button.h"
+#include "menu.h"
+#include "themeevent.h"
+#include "theme.h"
+
+static const int MinMenuItemWidth = 150;
+static const int MinMenuItemHeight = 40;
+
+Menu::Menu(QGraphicsView* parent) : QGraphicsWidget(),
+    m_Parent(parent), m_Layout(new QGraphicsLinearLayout(Qt::Vertical, this)),
+    m_ButtonContainer(0), m_isMenuVisible(false), m_currentSelectedIndex(-1)
+{
+    init();
+}
+
+Menu::~Menu()
+{
+    for(int i = 0; i < m_ButtonContainer->count(); i++ ) {
+        delete m_ButtonContainer->at(i);
+    }
+    m_ButtonContainer->clear();
+
+    delete m_ButtonContainer;
+    m_ButtonContainer = 0;
+}
+
+void Menu::init()
+{
+    m_ButtonContainer = new QList<Button*>;
+    
+    m_Layout->setContentsMargins(0,0,0,0);
+    m_Layout->setSpacing(0);
+    
+    setMinimumWidth(150); 
+    
+    setLayout(m_Layout);
+    
+    connect(Theme::p(), SIGNAL(themeChanged()), this, SLOT(themeChange()));
+}
+
+Button* Menu::addMenuItem(const QString itemName, QObject* receiver, const char* member)
+{
+    Button* button = new Button(itemName ,this);
+    button->setVisible(m_isMenuVisible);
+    connect(button, SIGNAL(clicked(bool)), receiver, member);
+    connect(button, SIGNAL(clicked(bool)), this, SLOT(menuShowHide()));
+    m_ButtonContainer->append(button);
+    button->setMinimumWidth(MinMenuItemWidth);
+    button->setMinimumHeight(MinMenuItemHeight);
+    return button;
+}
+
+void Menu::menuShowHide()
+{
+    m_isMenuVisible ? menuHide() : menuShow();
+    m_isMenuVisible = !m_isMenuVisible;
+}
+
+void Menu::menuShow()
+{
+    for(int i = 0; i < m_ButtonContainer->count(); i++) {
+        Button* button = m_ButtonContainer->at(i);
+        m_Layout->addItem(button);
+        button->show();
+    }
+}
+
+void Menu::menuHide()
+{
+    for(int i = 0; i < m_ButtonContainer->count(); i++) {
+        Button* button = m_ButtonContainer->at(i);
+        button->select(false);
+        button->hide();
+        m_Layout->removeItem(button);
+    }
+    m_currentSelectedIndex = -1;
+}
+
+void Menu::themeChange()
+{
+    QPixmap pixmap = Theme::p()->pixmap("status_field_middle.svg", 
+            QSize(MinMenuItemWidth, MinMenuItemHeight));
+    
+    for(int i = 0; i < m_ButtonContainer->count(); i++) {
+        Button* button = m_ButtonContainer->at(i);
+        button->setBackground(pixmap);
+    }
+    update();
+}
+
+void Menu::keyPressEvent(QKeyEvent *event)
+{
+    //S60 3.x specific
+    if(event->key() == 16777235 ) { //Up Arrow
+        if(m_currentSelectedIndex > 0) { //One step up
+            Button* button = m_ButtonContainer->at(m_currentSelectedIndex);
+            button->select(false);
+            button->update();
+            
+            m_currentSelectedIndex--;
+            button = m_ButtonContainer->at(m_currentSelectedIndex);
+            button->select(true);
+            button->update();
+        }
+        else { //Jump to bottom
+            if(m_currentSelectedIndex >= 0) {
+               Button* button = m_ButtonContainer->at(m_currentSelectedIndex);
+               button->select(false);
+               button->update();
+           }
+            m_currentSelectedIndex = m_ButtonContainer->count() -1;
+            if(m_currentSelectedIndex >= 0) {
+                Button* button = m_ButtonContainer->at(m_currentSelectedIndex);
+                button->select(true);
+                button->update();
+            }
+        }
+    }
+    
+    if(event->key() == 16777237 ) { //Down Arrow
+        if (m_currentSelectedIndex < m_ButtonContainer->count()-1) { //One step down
+            if(m_currentSelectedIndex >= 0) {
+                Button* button = m_ButtonContainer->at(m_currentSelectedIndex);
+                button->select(false);
+                button->update();
+            }
+            m_currentSelectedIndex++;
+            Button* button = m_ButtonContainer->at(m_currentSelectedIndex);
+            button->select(true);
+            button->update();
+        }
+        else { //Jump to top
+            if(m_currentSelectedIndex >= 0) {
+                Button* button = m_ButtonContainer->at(m_currentSelectedIndex);
+                button->select(false);
+                button->update();
+                m_currentSelectedIndex = 0;
+                button = m_ButtonContainer->at(m_currentSelectedIndex);
+                button->select(true);
+                button->update();
+            }
+        }
+    }
+    
+    if(event->key() == 17825792 || event->key() == 16842752 || //LSK, center key or enter
+            event->key() == 16777221 ) { 
+        if(m_currentSelectedIndex >= 0) {
+            Button* button = m_ButtonContainer->at(m_currentSelectedIndex);
+            button->click();
+        }
+    }
+    
+    if(event->key() == 17825793 ) { //RSK
+        menuShowHide();
+    }
+}