66 lines
2.1 KiB
Diff
66 lines
2.1 KiB
Diff
diff --git a/widget/gtk/ScreenHelperGTK.cpp b/widget/gtk/ScreenHelperGTK.cpp
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--- a/widget/gtk/ScreenHelperGTK.cpp
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+++ b/widget/gtk/ScreenHelperGTK.cpp
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@@ -221,11 +221,11 @@
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refreshRate, contentsScale, defaultCssScale, dpi,
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Screen::IsPseudoDisplay::No);
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}
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void ScreenGetterGtk::RefreshScreens() {
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- LOG_SCREEN("Refreshing screens");
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+ LOG_SCREEN("ScreenGetterGtk::RefreshScreens()");
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AutoTArray<RefPtr<Screen>, 4> screenList;
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GdkScreen* defaultScreen = gdk_screen_get_default();
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gint numScreens = gdk_screen_get_n_monitors(defaultScreen);
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LOG_SCREEN("GDK reports %d screens", numScreens);
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@@ -387,16 +387,16 @@
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monitor->refresh, contentsScale, defaultCssScale,
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dpi, Screen::IsPseudoDisplay::No);
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}
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void ScreenGetterWayland::RefreshScreens() {
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- LOG_SCREEN("Refreshing screens");
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+ LOG_SCREEN("ScreenGetterWayland::RefreshScreens()");
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AutoTArray<RefPtr<Screen>, 4> managerScreenList;
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mScreenList.Clear();
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const gint numScreens = mMonitors.Length();
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- LOG_SCREEN("Wayland reports %d screens", numScreens);
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+ LOG_SCREEN("Wayland reports %d monitors", numScreens);
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for (gint i = 0; i < numScreens; i++) {
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RefPtr<Screen> screen = MakeScreenWayland(i);
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mScreenList.AppendElement(screen);
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managerScreenList.AppendElement(screen);
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}
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@@ -446,18 +446,27 @@
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return -1;
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}
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RefPtr<nsIScreen> ScreenGetterWayland::GetScreenForWindow(nsWindow* aWindow) {
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- if (mScreenList.IsEmpty()) {
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+ if (mMonitors.IsEmpty()) {
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return nullptr;
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}
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int monitor = GetMonitorForWindow(aWindow);
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if (monitor < 0) {
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return nullptr;
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}
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+
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+ if (mMonitors.Length() != mScreenList.Length()) {
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+ // Gtk list of GtkScreens are out of sync with our monitor list.
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+ // Try to refresh it now.
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+ RefreshScreens();
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+ }
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+
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+ MOZ_DIAGNOSTIC_ASSERT((unsigned)monitor < mScreenList.Length(),
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+ "We're missing screen?");
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return mScreenList[monitor];
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}
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static bool IsGNOMECompositor() {
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const char* currentDesktop = getenv("XDG_CURRENT_DESKTOP");
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