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Fixed crash if the X11 display doesn't have a resource manager property

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This commit is contained in:
Sam Lantinga
2023-05-27 20:42:07 -07:00
parent 76a919d458
commit 85f33fe866
1 changed files with 10 additions and 8 deletions
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4
src/video/x11/SDL_x11modes.c
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@@ -190,7 +190,7 @@ static float GetGlobalContentScale(SDL_VideoDevice *_this)
{ {
SDL_VideoData *data = _this->driverdata; SDL_VideoData *data = _this->driverdata;
Display *display = data->display; Display *display = data->display;
char * resource_manager; char *resource_manager;
XrmDatabase db; XrmDatabase db;
XrmValue value; XrmValue value;
char *type; char *type;
@@ -198,6 +198,7 @@ static float GetGlobalContentScale(SDL_VideoDevice *_this)
X11_XrmInitialize(); X11_XrmInitialize();
resource_manager = X11_XResourceManagerString(display); resource_manager = X11_XResourceManagerString(display);
if (resource_manager) {
db = X11_XrmGetStringDatabase(resource_manager); db = X11_XrmGetStringDatabase(resource_manager);
// Get the value of Xft.dpi from the Database // Get the value of Xft.dpi from the Database
@@ -209,6 +210,7 @@ static float GetGlobalContentScale(SDL_VideoDevice *_this)
} }
X11_XrmDestroyDatabase(db); X11_XrmDestroyDatabase(db);
} }
}
/* If that failed, try the GDK_SCALE envvar... */ /* If that failed, try the GDK_SCALE envvar... */
if (scale_factor <= 0.0) if (scale_factor <= 0.0)