shell-global: Set high dpi scaling factor

Set the scaling factor based on the xsetting.

https://bugzilla.gnome.org/show_bug.cgi?id=705410
This commit is contained in:
Adel Gadllah 2014-02-12 19:18:37 +01:00
parent d868e6bfaf
commit ba459f4d20

View File

@ -746,6 +746,20 @@ global_stage_after_paint (gpointer data)
return TRUE;
}
static void
update_scale_factor (gpointer data)
{
ShellGlobal *global = SHELL_GLOBAL (data);
ClutterStage *stage = CLUTTER_STAGE (global->stage);
StThemeContext *context = st_theme_context_get_for_stage (stage);
GValue value = G_VALUE_INIT;
g_value_init (&value, G_TYPE_INT);
gdk_screen_get_setting (global->gdk_screen, "gdk-window-scaling-factor", &value);
g_object_set (context, "scale-factor", g_value_get_int (&value), NULL);
}
/* This is an IBus workaround. The flow of events with IBus is that every time
* it gets gets a key event, it:
*
@ -924,9 +938,19 @@ _shell_global_set_plugin (ShellGlobal *global,
g_signal_connect (global->meta_display, "notify::focus-window",
G_CALLBACK (focus_window_changed), global);
/*
* We connect to GdkScreen's monitors-changed here to avoid
* a race condition. GdkScreen's monitors-changed signal is
* emitted *after* the xsetting has been updated.
*/
g_signal_connect (global->gdk_screen, "monitors-changed",
G_CALLBACK (update_scale_factor), global);
gdk_event_handler_set (gnome_shell_gdk_event_handler, global, NULL);
global->focus_manager = st_focus_manager_get_for_stage (global->stage);
update_scale_factor (global);
}
GjsContext *