From 46fa45fd0f2a40580951903437a5fd1b6c5237ad Mon Sep 17 00:00:00 2001
From: Yann Bodson <yann.bodson@nokia.com>
Date: Wed, 15 Jul 2009 15:43:35 +1000
Subject: Make QmlPalette properties notifiable. Handle palette changes in
 QmlPalette.

---
 src/declarative/util/qmlpalette.cpp | 25 +++++++++++++++++++++++++
 src/declarative/util/qmlpalette.h   | 31 +++++++++++++++++--------------
 tools/qmlviewer/qmlviewer.cpp       | 11 +----------
 tools/qmlviewer/qmlviewer.h         |  1 -
 4 files changed, 43 insertions(+), 25 deletions(-)

diff --git a/src/declarative/util/qmlpalette.cpp b/src/declarative/util/qmlpalette.cpp
index 670966d..eda0ded 100644
--- a/src/declarative/util/qmlpalette.cpp
+++ b/src/declarative/util/qmlpalette.cpp
@@ -41,6 +41,7 @@
 
 #include "private/qobject_p.h"
 #include "qmlpalette.h"
+#include <QApplication>
 
 QT_BEGIN_NAMESPACE
 
@@ -63,7 +64,9 @@ QmlPalette::QmlPalette(QObject *parent)
     : QObject(*(new QmlPalettePrivate), parent)
 {
     Q_D(QmlPalette);
+    d->palette = qApp->palette();
     d->group = QPalette::Active;
+    qApp->installEventFilter(this);
 }
 
 QmlPalette::~QmlPalette()
@@ -160,4 +163,26 @@ QPalette QmlPalette::palette() const
     return d->palette;
 }
 
+bool QmlPalette::eventFilter(QObject *watched, QEvent *event)
+{
+    if (watched == qApp) {
+        if (event->type() == QEvent::ApplicationPaletteChange) {
+            QApplication::postEvent(this, new QEvent(QEvent::ApplicationPaletteChange));
+            return false;
+        }
+    }
+    return QObject::eventFilter(watched, event);
+}
+
+bool QmlPalette::event(QEvent *event)
+{
+    Q_D(QmlPalette);
+    if (event->type() == QEvent::ApplicationPaletteChange) {
+        d->palette = qApp->palette();
+        emit paletteChanged();
+        return true;
+    }
+    return QObject::event(event);
+}
+
 QT_END_NAMESPACE
diff --git a/src/declarative/util/qmlpalette.h b/src/declarative/util/qmlpalette.h
index f176764..1401ad1 100644
--- a/src/declarative/util/qmlpalette.h
+++ b/src/declarative/util/qmlpalette.h
@@ -62,19 +62,19 @@ public:
     QmlPalette(QObject *parent=0);
     ~QmlPalette();
 
-    Q_PROPERTY(QColor window READ window CONSTANT)
-    Q_PROPERTY(QColor windowText READ windowText CONSTANT)
-    Q_PROPERTY(QColor base READ base CONSTANT)
-    Q_PROPERTY(QColor alternateBase READ alternateBase CONSTANT)
-    Q_PROPERTY(QColor button READ button CONSTANT)
-    Q_PROPERTY(QColor buttonText READ buttonText CONSTANT)
-    Q_PROPERTY(QColor light READ light CONSTANT)
-    Q_PROPERTY(QColor midlight READ midlight CONSTANT)
-    Q_PROPERTY(QColor dark READ dark CONSTANT)
-    Q_PROPERTY(QColor mid READ mid CONSTANT)
-    Q_PROPERTY(QColor shadow READ shadow CONSTANT)
-    Q_PROPERTY(QColor highlight READ highlight CONSTANT)
-    Q_PROPERTY(QColor highlightedText READ highlightedText CONSTANT)
+    Q_PROPERTY(QColor window READ window NOTIFY paletteChanged)
+    Q_PROPERTY(QColor windowText READ windowText NOTIFY paletteChanged)
+    Q_PROPERTY(QColor base READ base NOTIFY paletteChanged)
+    Q_PROPERTY(QColor alternateBase READ alternateBase NOTIFY paletteChanged)
+    Q_PROPERTY(QColor button READ button NOTIFY paletteChanged)
+    Q_PROPERTY(QColor buttonText READ buttonText NOTIFY paletteChanged)
+    Q_PROPERTY(QColor light READ light NOTIFY paletteChanged)
+    Q_PROPERTY(QColor midlight READ midlight NOTIFY paletteChanged)
+    Q_PROPERTY(QColor dark READ dark NOTIFY paletteChanged)
+    Q_PROPERTY(QColor mid READ mid NOTIFY paletteChanged)
+    Q_PROPERTY(QColor shadow READ shadow NOTIFY paletteChanged)
+    Q_PROPERTY(QColor highlight READ highlight NOTIFY paletteChanged)
+    Q_PROPERTY(QColor highlightedText READ highlightedText NOTIFY paletteChanged)
 
     QColor window() const;
     QColor windowText() const;
@@ -98,8 +98,11 @@ public:
 
     void setColorGroup(QPalette::ColorGroup);
 
+    bool virtual eventFilter(QObject *watched, QEvent *event);
+    bool virtual event(QEvent *event);
+
 Q_SIGNALS:
-    void updated();
+    void paletteChanged();
 };
 
 QT_END_NAMESPACE
diff --git a/tools/qmlviewer/qmlviewer.cpp b/tools/qmlviewer/qmlviewer.cpp
index 6de1b97..677c08b 100644
--- a/tools/qmlviewer/qmlviewer.cpp
+++ b/tools/qmlviewer/qmlviewer.cpp
@@ -194,7 +194,7 @@ void QmlViewer::createMenu(QMenuBar *menu, QMenu *flatmenu)
     QAction *snapshotAction = new QAction(tr("&Take Snapsot\tF3"), parent);
     connect(snapshotAction, SIGNAL(triggered()), this, SLOT(takeSnapShot()));
     recordMenu->addAction(snapshotAction);
-    
+
     recordAction = new QAction(tr("Start Recording &Video\tF2"), parent);
     connect(recordAction, SIGNAL(triggered()), this, SLOT(toggleRecordingWithSelection()));
     recordMenu->addAction(recordAction);
@@ -502,15 +502,6 @@ void QmlViewer::setRecordFile(const QString& f)
     record_file = f;
 }
 
-bool QmlViewer::event(QEvent *event)
-{
-    if (event->type() == QEvent::PaletteChange) {
-        setupPalettes();
-        return true;
-    }
-    return QWidget::event(event);
-}
-
 void QmlViewer::setRecordPeriod(int ms)
 {
     record_period = ms;
diff --git a/tools/qmlviewer/qmlviewer.h b/tools/qmlviewer/qmlviewer.h
index 765d42f..11316c9 100644
--- a/tools/qmlviewer/qmlviewer.h
+++ b/tools/qmlviewer/qmlviewer.h
@@ -62,7 +62,6 @@ public slots:
 protected:
     virtual void keyPressEvent(QKeyEvent *);
     virtual void timerEvent(QTimerEvent *);
-    virtual bool event(QEvent *event);
 
     void createMenu(QMenuBar *menu, QMenu *flatmenu);
 
-- 
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