SIMpad:

-Update all Widgets if we suspended the device. We implement
it by iterating over QApplication::allWidgets and calling
QWidget::update(). This approach should be more reliable
than the system and echo hack

2 files changed, 23 insertions, 9 deletions

diff --git a/libopie2/opiecore/device/odevice_simpad.cpp b/libopie2/opiecore/device/odevice_simpad.cpp
index 4ae3c4f..ebf0cbb 100644
--- a/libopie2/opiecore/device/odevice_simpad.cpp
+++ b/libopie2/opiecore/device/odevice_simpad.cpp
@@ -36,2 +36,3 @@
 #include <qwindowsystem_qws.h>
+#include <qwidgetlist.h>
 
@@ -317,3 +318,2 @@ bool SIMpad::suspend() // Must override because SIMpad does NOT have apm
 {
-    qDebug( "ODevice for SIMpad: suspend()" );
     if ( !isQWS( ) ) // only qwsserver is allowed to suspend
@@ -321,8 +321,2 @@ bool SIMpad::suspend() // Must override because SIMpad does NOT have apm
 
-    /*
-     * we need to save the screen content
-     * then go to suspend using ODevice::suspend
-     * and finally restore the screen content
-     */
-    (void)::system( "cat /dev/fb/0 > /tmp/.buffer" );
     bool res  = ODevice::suspend();
@@ -330,6 +324,7 @@ bool SIMpad::suspend() // Must override because SIMpad does NOT have apm
     /*
-     * restore
+     * restore the screen content if we really
+     * supended the device
      */
     if ( res )
-        ::system( "cat /tmp/.buffer > /dev/fb/0" );
+        updateAllWidgets();
 
@@ -371 +366,18 @@ int SIMpad::displayBrightnessResolution() const
 
+
+/*
+ * The MQ200 DRAM content is lost during suspend
+ * so we will just repaint every widget on resume
+ */
+void SIMpad::updateAllWidgets() {
+    QWidgetList *list = QApplication::allWidgets();
+    QWidgetListIt it( *list );
+    QWidget *wid;
+
+    while ((wid=it.current()) != 0 ) {
+        wid->update();
+        ++it;
+    }
+
+    delete list;
+}
diff --git a/libopie2/opiecore/device/odevice_simpad.h b/libopie2/opiecore/device/odevice_simpad.h
index dbcbbb4..c25b911 100644
--- a/libopie2/opiecore/device/odevice_simpad.h
+++ b/libopie2/opiecore/device/odevice_simpad.h
@@ -67,2 +67,4 @@ protected:
     OLedState m_leds [2];
+private:
+    static void updateAllWidgets();
 };