diff options
| author | Friedemann Kleint <Friedemann.Kleint@qt.io> | 2019-12-02 13:53:35 +0100 |
|---|---|---|
| committer | Friedemann Kleint <Friedemann.Kleint@qt.io> | 2019-12-05 15:49:32 +0100 |
| commit | 455e9e5be35b36d79b9541a6e014c5c9026d685b (patch) | |
| tree | 566318b61810a1cadf204a477f3f0fdac5e78d86 /src/plugins/platforms/windows/qwindowssystemtrayicon.cpp | |
| parent | 75f75e997a8de911fccd1e2ca30814aaae7c34ad (diff) | |
Windows QPA: Fix tray geometry not updating
The application does not update its screens when there are
no windows on which a WM_DPICHANGE could be received. Add a
check for it to the tray window procedure and trigger an
update from there if no top levels are present.
Fixes: QTBUG-79248
Change-Id: I0b1c4db560662ecf2b473304942da373be6fdc73
Reviewed-by: André de la Rocha <andre.rocha@qt.io>
Reviewed-by: Morten Johan Sørvig <morten.sorvig@qt.io>
Diffstat (limited to 'src/plugins/platforms/windows/qwindowssystemtrayicon.cpp')
| -rw-r--r-- | src/plugins/platforms/windows/qwindowssystemtrayicon.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/plugins/platforms/windows/qwindowssystemtrayicon.cpp b/src/plugins/platforms/windows/qwindowssystemtrayicon.cpp index 22cdefbbbc..ab830e1461 100644 --- a/src/plugins/platforms/windows/qwindowssystemtrayicon.cpp +++ b/src/plugins/platforms/windows/qwindowssystemtrayicon.cpp @@ -57,6 +57,7 @@ #include "qwindowsmenu.h" #include "qwindowsscreen.h" +#include <QtGui/qguiapplication.h> #include <QtGui/qpixmap.h> #include <QtCore/qdebug.h> #include <QtCore/qrect.h> @@ -135,6 +136,9 @@ static int indexOfHwnd(HWND hwnd) extern "C" LRESULT QT_WIN_CALLBACK qWindowsTrayIconWndProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam) { + // QTBUG-79248: Trigger screen update if there are no other windows. + if (message == WM_DPICHANGED && QGuiApplication::topLevelWindows().isEmpty()) + QWindowsContext::instance()->screenManager().handleScreenChanges(); if (message == MYWM_TASKBARCREATED || message == MYWM_NOTIFYICON || message == WM_INITMENU || message == WM_INITMENUPOPUP || message == WM_CLOSE || message == WM_COMMAND) { |