Fix for symbian dialog background transparency.

If Avkon components support transparency then dialog background is transparent
enabling rounded corners.

Reviewed-by: Sami Merila

5 files changed, 62 insertions, 6 deletions

diff --git a/src/gui/dialogs/qdialog.cpp b/src/gui/dialogs/qdialog.cpp
index 3650051..9e11ebf 100644
--- a/src/gui/dialogs/qdialog.cpp
+++ b/src/gui/dialogs/qdialog.cpp
@@ -265,6 +265,14 @@ QDialog::QDialog(QWidget *parent, Qt::WindowFlags f)
     if (!qt_wince_is_smartphone())
         setWindowFlags(windowFlags() | Qt::WindowOkButtonHint | QFlag(qt_wince_is_mobile() ? 0 : Qt::WindowCancelButtonHint));
 #endif
+
+#ifdef Q_WS_S60
+    if (S60->avkonComponentsSupportTransparency()) {
+        bool noSystemBackground = testAttribute(Qt::WA_NoSystemBackground);
+        setAttribute(Qt::WA_TranslucentBackground); // also sets WA_NoSystemBackground
+        setAttribute(Qt::WA_NoSystemBackground, noSystemBackground); // restore system background attribute
+    }
+#endif
 }
 
 #ifdef QT3_SUPPORT
@@ -294,6 +302,14 @@ QDialog::QDialog(QDialogPrivate &dd, QWidget *parent, Qt::WindowFlags f)
     if (!qt_wince_is_smartphone())
         setWindowFlags(windowFlags() | Qt::WindowOkButtonHint | QFlag(qt_wince_is_mobile() ? 0 : Qt::WindowCancelButtonHint));
 #endif
+
+#ifdef Q_WS_S60
+    if (S60->avkonComponentsSupportTransparency()) {
+        bool noSystemBackground = testAttribute(Qt::WA_NoSystemBackground);
+        setAttribute(Qt::WA_TranslucentBackground); // also sets WA_NoSystemBackground
+        setAttribute(Qt::WA_NoSystemBackground, noSystemBackground); // restore system background attribute
+    }
+#endif
 }
 
 /*!
diff --git a/src/gui/kernel/qt_s60_p.h b/src/gui/kernel/qt_s60_p.h
index b417065..2c733b9 100644
--- a/src/gui/kernel/qt_s60_p.h
+++ b/src/gui/kernel/qt_s60_p.h
@@ -74,6 +74,7 @@
 #include <akncontext.h>             // CAknContextPane
 #include <eikspane.h>               // CEikStatusPane
 #include <aknpopupfader.h>          // MAknFadedComponent and TAknPopupFader
+#include <centralrepository.h>
 #endif
 
 QT_BEGIN_NAMESPACE
@@ -133,8 +134,14 @@ public:
     static inline CAknTitlePane* titlePane();
     static inline CAknContextPane* contextPane();
     static inline CEikButtonGroupContainer* buttonGroupContainer();
+    static inline bool avkonComponentsSupportTransparency();
 
     TTrapHandler *s60InstalledTrapHandler;
+
+private:
+
+    bool transparencyChecked;
+    bool transparencyEnabled;
 #endif
 };
 
@@ -305,6 +312,30 @@ inline CEikButtonGroupContainer* QS60Data::buttonGroupContainer()
 {
     return CEikonEnv::Static()->AppUiFactory()->Cba();
 }
+
+inline bool QS60Data::avkonComponentsSupportTransparency()
+{
+    if(!S60->transparencyChecked) {
+        S60->transparencyChecked = true;
+        S60->transparencyEnabled = false;
+
+        TUid KCRUidAvkon = { 0x101F876E };
+        TUint32 KAknAvkonTransparencyEnabled = 0x0000000D;
+
+        CRepository* repository = 0;
+        TRAPD(err, repository = CRepository::NewL(KCRUidAvkon));
+
+        if(err == KErrNone) {
+            TInt value = 0;
+            err = repository->Get(KAknAvkonTransparencyEnabled, value);
+            if(err == KErrNone) {
+                S60->transparencyEnabled = (value==1) ? true : false;
+            }
+        }
+    }
+
+    return S60->transparencyEnabled;
+}
 #endif // Q_WS_S60
 
 static inline QFont qt_TFontSpec2QFontL(const TFontSpec &fontSpec)
diff --git a/src/gui/kernel/qwidget.cpp b/src/gui/kernel/qwidget.cpp
index 81a9a80..542da5e 100644
--- a/src/gui/kernel/qwidget.cpp
+++ b/src/gui/kernel/qwidget.cpp
@@ -2026,6 +2026,14 @@ void QWidgetPrivate::updateIsOpaque()
     }
 #endif
 
+#ifdef Q_WS_S60
+    if (q->windowType() == Qt::Dialog && q->testAttribute(Qt::WA_TranslucentBackground)
+                && S60->avkonComponentsSupportTransparency()) {
+        setOpaque(false);
+        return;
+    }
+#endif
+
     if (q->testAttribute(Qt::WA_OpaquePaintEvent) || q->testAttribute(Qt::WA_PaintOnScreen)) {
         setOpaque(true);
         return;
diff --git a/src/gui/styles/qs60style.cpp b/src/gui/styles/qs60style.cpp
index ca0b8c7..100303e 100644
--- a/src/gui/styles/qs60style.cpp
+++ b/src/gui/styles/qs60style.cpp
@@ -3056,11 +3056,13 @@ bool qt_s60_fill_background(QPainter *painter, const QRegion &rgn, const QBrush
     const QPaintDevice *target = painter->device();
     if (target->devType() == QInternal::Widget) {
         const QWidget *widget = static_cast<const QWidget *>(target);
-        const QVector<QRect> &rects = rgn.rects();
-        for (int i = 0; i < rects.size(); ++i) {
-            const QRect rect(rects.at(i));
-            painter->drawPixmap(rect.topLeft(), backgroundTexture,
-                                rect.translated(qt_s60_fill_background_offset(widget)));
+        if (!widget->testAttribute(Qt::WA_TranslucentBackground)) {
+            const QVector<QRect> &rects = rgn.rects();
+            for (int i = 0; i < rects.size(); ++i) {
+                const QRect rect(rects.at(i));
+                painter->drawPixmap(rect.topLeft(), backgroundTexture,
+                                    rect.translated(qt_s60_fill_background_offset(widget)));
+            }
         }
     }
     return true;
diff --git a/src/gui/styles/qs60style_s60.cpp b/src/gui/styles/qs60style_s60.cpp
index be61073..d03574f 100644
--- a/src/gui/styles/qs60style_s60.cpp
+++ b/src/gui/styles/qs60style_s60.cpp
@@ -731,7 +731,6 @@ QPixmap QS60StyleModeSpecifics::createSkinnedGraphicsLX(QS60StylePrivate::SkinFr
     MAknsSkinInstance* skinInstance = AknsUtils::SkinInstance();
     QPixmap result;
 
-//        QS60WindowSurface::unlockBitmapHeap();
     static const TDisplayMode displayMode = S60->supportsPremultipliedAlpha ? Q_SYMBIAN_ECOLOR16MAP : EColor16MA;
     static const TInt drawParam = S60->supportsPremultipliedAlpha ? KAknsDrawParamDefault : KAknsDrawParamNoClearUnderImage|KAknsDrawParamRGBOnly;