Initial import of statemachine branch from the old kinetic repository

8 files changed, 501 insertions, 0 deletions

diff --git a/examples/animation/easing/animation.h b/examples/animation/easing/animation.h
new file mode 100644
index 0000000..db67810
--- /dev/null
+++ b/examples/animation/easing/animation.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 $MODULE$ of the Qt Toolkit.
+**
+** $TROLLTECH_DUAL_LICENSE$
+**
+****************************************************************************/
+
+#ifndef ANIMATION_H
+#define ANIMATION_H
+
+#include <QtGui>
+
+#if defined(QT_EXPERIMENTAL_SOLUTION)
+# include "qpropertyanimation.h"
+#else
+# include <QtCore/qpropertyanimation.h>
+#endif
+
+class Animation : public QPropertyAnimation {
+public:
+    enum PathType {
+        LinearPath,
+        CirclePath,
+        NPathTypes
+    };
+    Animation(QObject *target, const QByteArray &prop)
+        : QPropertyAnimation(target, prop)
+    {
+        setPathType(LinearPath);
+    }
+
+    void setPathType(PathType pathType)
+    {
+        if (pathType >= NPathTypes)
+            qWarning("Unknown pathType %d", pathType);
+
+        m_pathType = pathType;
+        m_path = QPainterPath();
+    }
+
+    void updateCurrentTime(int msecs)
+    {
+        if (m_pathType == CirclePath) {
+            if (m_path.isEmpty()) {
+                QPointF to = endValue().toPointF();
+                QPointF from = startValue().toPointF();
+                m_path.moveTo(from);
+                m_path.addEllipse(QRectF(from, to));
+            }
+            int dura = duration();
+            const qreal progress = ((dura == 0) ? 1 : ((((currentTime() - 1) % dura) + 1) / qreal(dura)));
+
+            qreal easedProgress = easingCurve().valueForProgress(progress);
+            if (easedProgress > 1.0) {
+                easedProgress -= 1.0;
+            } else if (easedProgress < 0) {
+                easedProgress += 1.0;
+            }
+            QPointF pt = m_path.pointAtPercent(easedProgress);
+            updateCurrentValue(pt);
+            emit valueChanged(pt);
+        } else {
+            QPropertyAnimation::updateCurrentTime(msecs);
+        }
+    }
+
+    QPainterPath m_path;
+    PathType m_pathType;
+};
+
+#endif // ANIMATION_H
diff --git a/examples/animation/easing/easing.pro b/examples/animation/easing/easing.pro
new file mode 100644
index 0000000..fa5b22d
--- /dev/null
+++ b/examples/animation/easing/easing.pro
@@ -0,0 +1,16 @@
+######################################################################
+# Automatically generated by qmake (2.01a) to 2. okt 23:22:11 2008
+######################################################################
+
+TEMPLATE = app
+TARGET =
+DEPENDPATH += .
+INCLUDEPATH += .
+
+# Input
+HEADERS += window.h animation.h
+SOURCES += main.cpp window.cpp
+
+FORMS   += form.ui
+
+RESOURCES     = resources.qrc
diff --git a/examples/animation/easing/form.ui b/examples/animation/easing/form.ui
new file mode 100644
index 0000000..b60ade8
--- /dev/null
+++ b/examples/animation/easing/form.ui
@@ -0,0 +1,201 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>Form</class>
+ <widget class="QWidget" name="Form">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>545</width>
+    <height>471</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>Easing curves</string>
+  </property>
+  <layout class="QGridLayout" name="gridLayout">
+   <item row="0" column="0" colspan="2">
+    <widget class="QListWidget" name="easingCurvePicker">
+     <property name="sizePolicy">
+      <sizepolicy hsizetype="Expanding" vsizetype="Preferred">
+       <horstretch>0</horstretch>
+       <verstretch>0</verstretch>
+      </sizepolicy>
+     </property>
+     <property name="maximumSize">
+      <size>
+       <width>16777215</width>
+       <height>120</height>
+      </size>
+     </property>
+     <property name="verticalScrollBarPolicy">
+      <enum>Qt::ScrollBarAlwaysOff</enum>
+     </property>
+     <property name="movement">
+      <enum>QListView::Static</enum>
+     </property>
+     <property name="isWrapping" stdset="0">
+      <bool>false</bool>
+     </property>
+     <property name="viewMode">
+      <enum>QListView::IconMode</enum>
+     </property>
+     <property name="selectionRectVisible">
+      <bool>false</bool>
+     </property>
+    </widget>
+   </item>
+   <item row="1" column="0">
+    <layout class="QVBoxLayout" name="verticalLayout">
+     <item>
+      <widget class="QGroupBox" name="groupBox_2">
+       <property name="title">
+        <string>Path type</string>
+       </property>
+       <layout class="QVBoxLayout" name="verticalLayout_2">
+        <item>
+         <widget class="QRadioButton" name="lineRadio">
+          <property name="text">
+           <string>Line</string>
+          </property>
+          <property name="checked">
+           <bool>true</bool>
+          </property>
+          <attribute name="buttonGroup">
+           <string>buttonGroup</string>
+          </attribute>
+         </widget>
+        </item>
+        <item>
+         <widget class="QRadioButton" name="circleRadio">
+          <property name="text">
+           <string>Circle</string>
+          </property>
+          <attribute name="buttonGroup">
+           <string>buttonGroup</string>
+          </attribute>
+         </widget>
+        </item>
+       </layout>
+      </widget>
+     </item>
+     <item>
+      <widget class="QGroupBox" name="groupBox">
+       <property name="sizePolicy">
+        <sizepolicy hsizetype="Fixed" vsizetype="Preferred">
+         <horstretch>0</horstretch>
+         <verstretch>0</verstretch>
+        </sizepolicy>
+       </property>
+       <property name="title">
+        <string>Properties</string>
+       </property>
+       <layout class="QFormLayout" name="formLayout">
+        <property name="fieldGrowthPolicy">
+         <enum>QFormLayout::AllNonFixedFieldsGrow</enum>
+        </property>
+        <item row="0" column="0">
+         <widget class="QLabel" name="label">
+          <property name="text">
+           <string>Period</string>
+          </property>
+         </widget>
+        </item>
+        <item row="0" column="1">
+         <widget class="QDoubleSpinBox" name="periodSpinBox">
+          <property name="enabled">
+           <bool>false</bool>
+          </property>
+          <property name="minimum">
+           <double>-1.000000000000000</double>
+          </property>
+          <property name="singleStep">
+           <double>0.100000000000000</double>
+          </property>
+          <property name="value">
+           <double>-1.000000000000000</double>
+          </property>
+         </widget>
+        </item>
+        <item row="1" column="0">
+         <widget class="QLabel" name="label_2">
+          <property name="text">
+           <string>Amplitude</string>
+          </property>
+         </widget>
+        </item>
+        <item row="1" column="1">
+         <widget class="QDoubleSpinBox" name="amplitudeSpinBox">
+          <property name="enabled">
+           <bool>false</bool>
+          </property>
+          <property name="minimum">
+           <double>-1.000000000000000</double>
+          </property>
+          <property name="singleStep">
+           <double>0.100000000000000</double>
+          </property>
+          <property name="value">
+           <double>-1.000000000000000</double>
+          </property>
+         </widget>
+        </item>
+        <item row="2" column="0">
+         <widget class="QLabel" name="label_3">
+          <property name="text">
+           <string>Overshoot</string>
+          </property>
+         </widget>
+        </item>
+        <item row="2" column="1">
+         <widget class="QDoubleSpinBox" name="overshootSpinBox">
+          <property name="enabled">
+           <bool>false</bool>
+          </property>
+          <property name="minimum">
+           <double>-1.000000000000000</double>
+          </property>
+          <property name="singleStep">
+           <double>0.100000000000000</double>
+          </property>
+          <property name="value">
+           <double>-1.000000000000000</double>
+          </property>
+         </widget>
+        </item>
+       </layout>
+      </widget>
+     </item>
+     <item>
+      <spacer name="verticalSpacer">
+       <property name="orientation">
+        <enum>Qt::Vertical</enum>
+       </property>
+       <property name="sizeHint" stdset="0">
+        <size>
+         <width>20</width>
+         <height>40</height>
+        </size>
+       </property>
+      </spacer>
+     </item>
+    </layout>
+   </item>
+   <item row="1" column="1">
+    <widget class="QGraphicsView" name="graphicsView">
+     <property name="sizePolicy">
+      <sizepolicy hsizetype="Expanding" vsizetype="Expanding">
+       <horstretch>0</horstretch>
+       <verstretch>0</verstretch>
+      </sizepolicy>
+     </property>
+    </widget>
+   </item>
+  </layout>
+ </widget>
+ <resources/>
+ <connections/>
+ <buttongroups>
+  <buttongroup name="buttonGroup"/>
+ </buttongroups>
+</ui>
diff --git a/examples/animation/easing/images/qt-logo.png b/examples/animation/easing/images/qt-logo.png
new file mode 100644
index 0000000..14ddf2a
--- /dev/null
+++ b/examples/animation/easing/images/qt-logo.png
diff --git a/examples/animation/easing/main.cpp b/examples/animation/easing/main.cpp
new file mode 100644
index 0000000..139f2da
--- /dev/null
+++ b/examples/animation/easing/main.cpp
@@ -0,0 +1,22 @@
+/****************************************************************************
+**
+** Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the $MODULE$ of the Qt Toolkit.
+**
+** $TROLLTECH_DUAL_LICENSE$
+**
+****************************************************************************/
+
+#include <QtGui>
+#include "window.h"
+
+int main(int argc, char **argv)
+{
+    QApplication app(argc, argv);
+    Window w;
+    w.resize(400, 400);
+    w.show();
+    return app.exec();
+}
diff --git a/examples/animation/easing/resources.qrc b/examples/animation/easing/resources.qrc
new file mode 100644
index 0000000..7e112d3
--- /dev/null
+++ b/examples/animation/easing/resources.qrc
@@ -0,0 +1,5 @@
+<!DOCTYPE RCC><RCC version="1.0">
+ <qresource>
+     <file>images/qt-logo.png</file>
+ </qresource>
+ </RCC>
\ No newline at end of file
diff --git a/examples/animation/easing/window.cpp b/examples/animation/easing/window.cpp
new file mode 100644
index 0000000..c6ea360
--- /dev/null
+++ b/examples/animation/easing/window.cpp
@@ -0,0 +1,133 @@
+/****************************************************************************
+**
+** Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the $MODULE$ of the Qt Toolkit.
+**
+** $TROLLTECH_DUAL_LICENSE$
+**
+****************************************************************************/
+
+#include "window.h"
+
+Window::Window(QWidget *parent) 
+    : QWidget(parent), m_iconSize(64, 64)
+{
+    m_ui.setupUi(this);
+    QButtonGroup *buttonGroup = qFindChild<QButtonGroup *>(this);     // ### workaround for uic in 4.4
+    m_ui.easingCurvePicker->setIconSize(m_iconSize);  
+    m_ui.easingCurvePicker->setMinimumHeight(m_iconSize.height() + 50);
+    buttonGroup->setId(m_ui.lineRadio, 0);
+    buttonGroup->setId(m_ui.circleRadio, 1);
+    
+    QEasingCurve dummy;
+    m_ui.periodSpinBox->setValue(dummy.period());
+    m_ui.amplitudeSpinBox->setValue(dummy.amplitude());
+    m_ui.overshootSpinBox->setValue(dummy.overshoot());
+    
+    connect(m_ui.easingCurvePicker, SIGNAL(currentRowChanged(int)), this, SLOT(curveChanged(int)));
+    connect(buttonGroup, SIGNAL(buttonClicked(int)), this, SLOT(pathChanged(int)));
+    connect(m_ui.periodSpinBox, SIGNAL(valueChanged(double)), this, SLOT(periodChanged(double)));
+    connect(m_ui.amplitudeSpinBox, SIGNAL(valueChanged(double)), this, SLOT(amplitudeChanged(double)));
+    connect(m_ui.overshootSpinBox, SIGNAL(valueChanged(double)), this, SLOT(overshootChanged(double)));
+    createCurveIcons();
+    
+    QPixmap pix(QLatin1String(":/images/qt-logo.png"));
+    m_item = new PixmapItem(pix);
+    m_scene.addItem(m_item);
+    m_ui.graphicsView->setScene(&m_scene);
+
+    m_anim = new Animation(m_item, "pos");
+    m_anim->setEasingCurve(QEasingCurve::OutBounce);
+    m_ui.easingCurvePicker->setCurrentRow(int(QEasingCurve::OutBounce));
+
+    startAnimation();
+}
+
+void Window::createCurveIcons()
+{
+    QPixmap pix(m_iconSize);
+    QPainter painter(&pix);
+    QLinearGradient gradient(0,0, 0, m_iconSize.height());
+    gradient.setColorAt(0.0, QColor(240, 240, 240));
+    gradient.setColorAt(1.0, QColor(224, 224, 224));
+    QBrush brush(gradient);
+    const QMetaObject &mo = QEasingCurve::staticMetaObject;
+    QMetaEnum metaEnum = mo.enumerator(mo.indexOfEnumerator("Type"));
+    // Skip QEasingCurve::Custom
+    for (int i = 0; i < QEasingCurve::NCurveTypes - 1; ++i) {
+        painter.fillRect(QRect(QPoint(0, 0), m_iconSize), brush);
+        QEasingCurve curve((QEasingCurve::Type)i);
+        painter.setPen(QColor(0, 0, 255, 64));
+        qreal xAxis = m_iconSize.height()/1.5;
+        qreal yAxis = m_iconSize.width()/3;
+        painter.drawLine(0, xAxis, m_iconSize.width(),  xAxis);
+        painter.drawLine(yAxis, 0, yAxis, m_iconSize.height());
+        painter.setPen(Qt::black);
+        
+        qreal curveScale = m_iconSize.height()/2;
+        QPoint currentPos(yAxis, xAxis);
+        
+        for (qreal t = 0; t < 1.0; t+=1.0/curveScale) {
+            QPoint to;
+            to.setX(yAxis + curveScale * t);
+            to.setY(xAxis - curveScale * curve.valueForProgress(t));
+            painter.drawLine(currentPos, to);
+            currentPos = to;
+        }
+        QListWidgetItem *item = new QListWidgetItem;
+        item->setIcon(QIcon(pix));
+        item->setText(metaEnum.key(i));
+        m_ui.easingCurvePicker->addItem(item);
+    }
+}
+
+void Window::startAnimation()
+{
+    m_anim->setStartValue(QPointF(0, 0));
+    m_anim->setEndValue(QPointF(100, 100));
+    m_anim->setDuration(2000);
+    m_anim->setIterationCount(-1); // forever
+    m_anim->start();
+}
+
+void Window::curveChanged(int row)
+{
+    QEasingCurve::Type curveType = (QEasingCurve::Type)row;
+    m_anim->setEasingCurve(curveType);
+    m_anim->setCurrentTime(0);
+    
+    bool isElastic = curveType >= QEasingCurve::InElastic && curveType <= QEasingCurve::OutInElastic;
+    bool isBounce = curveType >= QEasingCurve::InBounce && curveType <= QEasingCurve::OutInBounce;
+    m_ui.periodSpinBox->setEnabled(isElastic);
+    m_ui.amplitudeSpinBox->setEnabled(isElastic || isBounce);
+    m_ui.overshootSpinBox->setEnabled(curveType >= QEasingCurve::InBack && curveType <= QEasingCurve::OutInBack);
+}
+
+void Window::pathChanged(int index)
+{
+    m_anim->setPathType((Animation::PathType)index);
+}
+
+void Window::periodChanged(double value)
+{
+    QEasingCurve curve = m_anim->easingCurve();
+    curve.setPeriod(value);
+    m_anim->setEasingCurve(curve);
+}
+
+void Window::amplitudeChanged(double value)
+{
+    QEasingCurve curve = m_anim->easingCurve();
+    curve.setAmplitude(value);
+    m_anim->setEasingCurve(curve);
+}
+
+void Window::overshootChanged(double value)
+{
+    QEasingCurve curve = m_anim->easingCurve();
+    curve.setOvershoot(value);
+    m_anim->setEasingCurve(curve);
+}
+
diff --git a/examples/animation/easing/window.h b/examples/animation/easing/window.h
new file mode 100644
index 0000000..4ba6eb6
--- /dev/null
+++ b/examples/animation/easing/window.h
@@ -0,0 +1,49 @@
+/****************************************************************************
+**
+** Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the $MODULE$ of the Qt Toolkit.
+**
+** $TROLLTECH_DUAL_LICENSE$
+**
+****************************************************************************/
+
+#include <QtGui>
+
+#include "ui_form.h"
+#include "animation.h"
+
+class PixmapItem : public QObject, public QGraphicsPixmapItem
+{
+    Q_OBJECT
+    Q_PROPERTY(QPointF pos READ pos WRITE setPos)
+public:
+    PixmapItem(const QPixmap &pix) : QGraphicsPixmapItem(pix)
+    {
+    }
+};
+
+class Window : public QWidget {
+    Q_OBJECT
+public:
+    Window(QWidget *parent = 0);
+private slots:
+    void curveChanged(int row);
+    void pathChanged(int index);
+    void periodChanged(double);
+    void amplitudeChanged(double);
+    void overshootChanged(double);
+    
+private:
+    void createCurveIcons();
+    void startAnimation();
+    
+    Ui::Form m_ui;
+    QGraphicsScene m_scene;
+    PixmapItem *m_item;
+    Animation *m_anim;
+    QSize m_iconSize;
+
+
+};