Hi,
This is related to http://bugs.kde.org/show_bug.cgi?id=163676
It seems there is indeed a problem with QDesktopWidget. When I resize
my external monitor, the resize signal is fired with screen=0,
although the screen whose size changed is screen 1. Thus adjustSize
doesn't adjust the size of the panel, which I put on screen 1.
So as a workaround I wrote a hack that calls adjustSize for each
screen when we receive the signal. This works fine, at least on my
machine. The patch is attached. I'll try to have a look at
QDesktopWidget, but in the meantime this patch seems useful.
Regards,
g
Index: plasma/plasmaapp.h
===================================================================
--- plasma/plasmaapp.h (revision 851076)
+++ plasma/plasmaapp.h (working copy)
@@ -90,6 +90,7 @@
void adjustSize(int screen);
private:
+ void doAdjustSize(int screen);
PlasmaApp(Display* display, Qt::HANDLE visual, Qt::HANDLE colormap);
static void crashHandler(int signal);
DesktopView* viewForScreen(int screen) const;
Index: plasma/plasmaapp.cpp
===================================================================
--- plasma/plasmaapp.cpp (revision 851076)
+++ plasma/plasmaapp.cpp (working copy)
@@ -333,6 +333,16 @@
void PlasmaApp::adjustSize(int screen)
{
QDesktopWidget *desktop = QApplication::desktop();
+ // QDesktopWidget always thinks that it is screen 0 that was resized, even
when it
+ // is not the case, so as a workaround we adjust the size of all the
screens.
+ for (int i=0;i<desktop->numScreens();i++) {
+ doAdjustSize(i);
+ }
+}
+
+void PlasmaApp::doAdjustSize(int screen)
+{
+ QDesktopWidget *desktop = QApplication::desktop();
bool screenExists = screen < desktop->numScreens();
QRect screenGeom;
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