Changeset 100718 in vbox for trunk/src/VBox/Frontends/VirtualBox

Timestamp:

Jul 27, 2023 4:55:16 PM (20 months ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

158575

Message:

FE/Qt: bugref:10450: Linux: Ignore QT_SCALE_FACTOR env var set by some DE, like Mate; This var used in Qt5 as override, but in Qt6 as additional multiplier, no idea why; As a result we have x4 scale-factor when x2 is set.

File:

• trunk/src/VBox/Frontends/VirtualBox/src/main.cpp (modified) (1 diff)

trunk/src/VBox/Frontends/VirtualBox/src/main.cpp

@@ -478 +478 @@
 #  endif
 # endif
+#else
+# ifdef VBOX_WS_NIX
+        // WORKAROUND:
+        // Some Desktop Environments forcing this variable which was useful in Qt5 case.
+        // But in Qt6 case this variable is additional multiplier to scale-factor
+        // calculated automatic way, which means for x2 the effective factor will be 2x2=4.
+        // No idea how to proceed, probably we will ignore this variable for now, by
+        // setting it to be always equal to 1.
+        qputenv("QT_SCALE_FACTOR", "1");
+# endif
 #endif