193 gpm_brightness_output_get_internal (GpmBrightness *brightness, RROutput output, guint *cur)  in gpm_brightness_output_get_internal()  argument
202 	g_return_val_if_fail (GPM_IS_BRIGHTNESS (brightness), FALSE);  in gpm_brightness_output_get_internal()
204 	if (brightness->priv->backlight == None)  in gpm_brightness_output_get_internal()
207 	if (XRRGetOutputProperty (brightness->priv->dpy, output, brightness->priv->backlight,  in gpm_brightness_output_get_internal()
226 gpm_brightness_output_set_internal (GpmBrightness *brightness, RROutput output, guint value)  in gpm_brightness_output_set_internal()  argument
232 	g_return_val_if_fail (GPM_IS_BRIGHTNESS (brightness), FALSE);  in gpm_brightness_output_set_internal()
237 …XRRChangeOutputProperty (brightness->priv->dpy, output, brightness->priv->backlight, XA_INTEGER, 3…  in gpm_brightness_output_set_internal()
239 	XFlush (brightness->priv->dpy);  in gpm_brightness_output_set_internal()
247 		brightness->priv->hw_changed = TRUE;  in gpm_brightness_output_set_internal()
255 gpm_brightness_setup_display (GpmBrightness *brightness)  in gpm_brightness_setup_display()  argument
259 	g_return_val_if_fail (GPM_IS_BRIGHTNESS (brightness), FALSE);  in gpm_brightness_setup_display()
262 	brightness->priv->dpy = GDK_DISPLAY_XDISPLAY (gdk_display_get_default());  in gpm_brightness_setup_display()
263 	if (!brightness->priv->dpy) {  in gpm_brightness_setup_display()
268 	if (!XRRQueryVersion (brightness->priv->dpy, &major, &minor)) {  in gpm_brightness_setup_display()
277 	brightness->priv->backlight = XInternAtom (brightness->priv->dpy, "Backlight", True);  in gpm_brightness_setup_display()
278 	if (brightness->priv->backlight == None) {  in gpm_brightness_setup_display()
280 		brightness->priv->backlight = XInternAtom (brightness->priv->dpy, "BACKLIGHT", True);  in gpm_brightness_setup_display()
281 		if (brightness->priv->backlight == None) {  in gpm_brightness_setup_display()
293 gpm_brightness_output_get_limits (GpmBrightness *brightness, RROutput output,  in gpm_brightness_output_get_limits()  argument
299 	g_return_val_if_fail (GPM_IS_BRIGHTNESS (brightness), FALSE);  in gpm_brightness_output_get_limits()
301 	info = XRRQueryOutputProperty (brightness->priv->dpy, output, brightness->priv->backlight);  in gpm_brightness_output_get_limits()
322 gpm_brightness_output_get_percentage (GpmBrightness *brightness, RROutput output)  in gpm_brightness_output_get_percentage()  argument
329 	g_return_val_if_fail (GPM_IS_BRIGHTNESS (brightness), FALSE);  in gpm_brightness_output_get_percentage()
331 	ret = gpm_brightness_output_get_internal (brightness, output, &cur);  in gpm_brightness_output_get_percentage()
334 	ret = gpm_brightness_output_get_limits (brightness, output, &min, &max);  in gpm_brightness_output_get_percentage()
340 	brightness->priv->shared_value = percentage;  in gpm_brightness_output_get_percentage()
348 gpm_brightness_output_down (GpmBrightness *brightness, RROutput output)  in gpm_brightness_output_down()  argument
355 	g_return_val_if_fail (GPM_IS_BRIGHTNESS (brightness), FALSE);  in gpm_brightness_output_down()
357 	ret = gpm_brightness_output_get_internal (brightness, output, &cur);  in gpm_brightness_output_down()
360 	ret = gpm_brightness_output_get_limits (brightness, output, &min, &max);  in gpm_brightness_output_down()
375 	ret = gpm_brightness_output_set_internal (brightness, output, cur);  in gpm_brightness_output_down()
383 gpm_brightness_output_up (GpmBrightness *brightness, RROutput output)  in gpm_brightness_output_up()  argument
389 	g_return_val_if_fail (GPM_IS_BRIGHTNESS (brightness), FALSE);  in gpm_brightness_output_up()
391 	ret = gpm_brightness_output_get_internal (brightness, output, &cur);  in gpm_brightness_output_up()
394 	ret = gpm_brightness_output_get_limits (brightness, output, &min, &max);  in gpm_brightness_output_up()
407 	ret = gpm_brightness_output_set_internal (brightness, output, cur);  in gpm_brightness_output_up()
415 gpm_brightness_output_set (GpmBrightness *brightness, RROutput output)  in gpm_brightness_output_set()  argument
424 	g_return_val_if_fail (GPM_IS_BRIGHTNESS (brightness), FALSE);  in gpm_brightness_output_set()
426 	ret = gpm_brightness_output_get_internal (brightness, output, &cur);  in gpm_brightness_output_set()
429 	ret = gpm_brightness_output_get_limits (brightness, output, &min, &max);  in gpm_brightness_output_set()
433 	shared_value_abs = egg_discrete_from_percent (brightness->priv->shared_value, (max-min)+1);  in gpm_brightness_output_set()
434 	g_debug ("percent=%i, absolute=%i", brightness->priv->shared_value, shared_value_abs);  in gpm_brightness_output_set()
455 			ret = gpm_brightness_output_set_internal (brightness, output, i);  in gpm_brightness_output_set()
469 			ret = gpm_brightness_output_set_internal (brightness, output, i);  in gpm_brightness_output_set()
483 gpm_brightness_foreach_resource (GpmBrightness *brightness, GpmXRandROp op, XRRScreenResources *res…  in gpm_brightness_foreach_resource()  argument
490 	g_return_val_if_fail (GPM_IS_BRIGHTNESS (brightness), FALSE);  in gpm_brightness_foreach_resource()
497 			ret = gpm_brightness_output_get_percentage (brightness, output);  in gpm_brightness_foreach_resource()
499 			ret = gpm_brightness_output_up (brightness, output);  in gpm_brightness_foreach_resource()
501 			ret = gpm_brightness_output_down (brightness, output);  in gpm_brightness_foreach_resource()
503 			ret = gpm_brightness_output_set (brightness, output);  in gpm_brightness_foreach_resource()
519 gpm_brightness_foreach_screen (GpmBrightness *brightness, GpmXRandROp op)  in gpm_brightness_foreach_screen()  argument
527 	g_return_val_if_fail (GPM_IS_BRIGHTNESS (brightness), FALSE);  in gpm_brightness_foreach_screen()
530 	if (!brightness->priv->has_extension)  in gpm_brightness_foreach_screen()
534 	length = brightness->priv->resources->len;  in gpm_brightness_foreach_screen()
536 		resource = (XRRScreenResources *) g_ptr_array_index (brightness->priv->resources, i);  in gpm_brightness_foreach_screen()
538 		ret = gpm_brightness_foreach_resource (brightness, op, resource);  in gpm_brightness_foreach_screen()
542 	XSync (brightness->priv->dpy, False);  in gpm_brightness_foreach_screen()
552 gpm_brightness_trust_cache (GpmBrightness *brightness)  in gpm_brightness_trust_cache()  argument
554 	g_return_val_if_fail (GPM_IS_BRIGHTNESS (brightness), FALSE);  in gpm_brightness_trust_cache()
556 	if (brightness->priv->cache_trusted && brightness->priv->has_changed_events) {  in gpm_brightness_trust_cache()
557 		g_debug ("using cache for value %u (okay)", brightness->priv->cache_percentage);  in gpm_brightness_trust_cache()
564 	if (GPM_SOLE_SETTER_USE_CACHE && brightness->priv->cache_trusted) {  in gpm_brightness_trust_cache()
565 		g_debug ("using cache for value %u (probably okay)", brightness->priv->cache_percentage);  in gpm_brightness_trust_cache()
579 gpm_brightness_set (GpmBrightness *brightness, guint percentage, gboolean *hw_changed)  in gpm_brightness_set()  argument
584 	g_return_val_if_fail (GPM_IS_BRIGHTNESS (brightness), FALSE);  in gpm_brightness_set()
587 	trust_cache = gpm_brightness_trust_cache (brightness);  in gpm_brightness_set()
588 	if (trust_cache && percentage == brightness->priv->cache_percentage) {  in gpm_brightness_set()
594 	brightness->priv->shared_value = percentage;  in gpm_brightness_set()
597 	brightness->priv->hw_changed = FALSE;  in gpm_brightness_set()
598 	ret = gpm_brightness_foreach_screen (brightness, ACTION_BACKLIGHT_SET);  in gpm_brightness_set()
602 		if (brightness->priv->extension_levels < 0)  in gpm_brightness_set()
603 			brightness->priv->extension_levels = gpm_brightness_helper_get_value ("get-max-brightness");  in gpm_brightness_set()
604 …brightness->priv->extension_current = egg_discrete_from_percent (percentage, brightness->priv->ext…  in gpm_brightness_set()
605 		ret = gpm_brightness_helper_set_value ("set-brightness", brightness->priv->extension_current);  in gpm_brightness_set()
610 		*hw_changed = brightness->priv->hw_changed;  in gpm_brightness_set()
614 		brightness->priv->cache_trusted = FALSE;  in gpm_brightness_set()
628 gpm_brightness_get (GpmBrightness *brightness, guint *percentage)  in gpm_brightness_get()  argument
634 	g_return_val_if_fail (GPM_IS_BRIGHTNESS (brightness), FALSE);  in gpm_brightness_get()
638 	trust_cache = gpm_brightness_trust_cache (brightness);  in gpm_brightness_get()
640 		*percentage = brightness->priv->cache_percentage;  in gpm_brightness_get()
645 	ret = gpm_brightness_foreach_screen (brightness, ACTION_BACKLIGHT_GET);  in gpm_brightness_get()
646 	percentage_local = brightness->priv->shared_value;  in gpm_brightness_get()
650 		if (brightness->priv->extension_levels < 0)  in gpm_brightness_get()
651 			brightness->priv->extension_levels = gpm_brightness_helper_get_value ("get-max-brightness");  in gpm_brightness_get()
652 		brightness->priv->extension_current = gpm_brightness_helper_get_value ("get-brightness");  in gpm_brightness_get()
653 …percentage_local = egg_discrete_to_percent (brightness->priv->extension_current, brightness->priv-…  in gpm_brightness_get()
665 		brightness->priv->cache_percentage = percentage_local;  in gpm_brightness_get()
666 		brightness->priv->cache_trusted = TRUE;  in gpm_brightness_get()
669 		brightness->priv->cache_trusted = FALSE;  in gpm_brightness_get()
683 gpm_brightness_up (GpmBrightness *brightness, gboolean *hw_changed)  in gpm_brightness_up()  argument
688 	g_return_val_if_fail (GPM_IS_BRIGHTNESS (brightness), FALSE);  in gpm_brightness_up()
691 	brightness->priv->hw_changed = FALSE;  in gpm_brightness_up()
692 	ret = gpm_brightness_foreach_screen (brightness, ACTION_BACKLIGHT_INC);  in gpm_brightness_up()
696 		*hw_changed = brightness->priv->hw_changed;  in gpm_brightness_up()
700 		brightness->priv->cache_trusted = FALSE;  in gpm_brightness_up()
704 		if (brightness->priv->extension_levels < 0)  in gpm_brightness_up()
705 			brightness->priv->extension_levels = gpm_brightness_helper_get_value ("get-max-brightness");  in gpm_brightness_up()
706 		brightness->priv->extension_current = gpm_brightness_helper_get_value ("get-brightness");  in gpm_brightness_up()
709 		if (brightness->priv->extension_current < brightness->priv->extension_levels) {  in gpm_brightness_up()
710 			step = gpm_brightness_get_step (brightness->priv->extension_levels);  in gpm_brightness_up()
711 			brightness->priv->extension_current += step;  in gpm_brightness_up()
712 			if (brightness->priv->extension_current > brightness->priv->extension_levels)  in gpm_brightness_up()
713 				brightness->priv->extension_current = brightness->priv->extension_levels;  in gpm_brightness_up()
714 			ret = gpm_brightness_helper_set_value ("set-brightness", brightness->priv->extension_current);  in gpm_brightness_up()
718 		brightness->priv->cache_trusted = FALSE;  in gpm_brightness_up()
734 gpm_brightness_down (GpmBrightness *brightness, gboolean *hw_changed)  in gpm_brightness_down()  argument
739 	g_return_val_if_fail (GPM_IS_BRIGHTNESS (brightness), FALSE);  in gpm_brightness_down()
742 	brightness->priv->hw_changed = FALSE;  in gpm_brightness_down()
743 	ret = gpm_brightness_foreach_screen (brightness, ACTION_BACKLIGHT_DEC);  in gpm_brightness_down()
747 		*hw_changed = brightness->priv->hw_changed;  in gpm_brightness_down()
751 		brightness->priv->cache_trusted = FALSE;  in gpm_brightness_down()
755 		if (brightness->priv->extension_levels < 0)  in gpm_brightness_down()
756 			brightness->priv->extension_levels = gpm_brightness_helper_get_value ("get-max-brightness");  in gpm_brightness_down()
757 		brightness->priv->extension_current = gpm_brightness_helper_get_value ("get-brightness");  in gpm_brightness_down()
760 		if (brightness->priv->extension_current > 0) {  in gpm_brightness_down()
761 			step = gpm_brightness_get_step (brightness->priv->extension_levels);  in gpm_brightness_down()
762 			brightness->priv->extension_current -= step;  in gpm_brightness_down()
763 			if (brightness->priv->extension_current < 0)  in gpm_brightness_down()
764 				brightness->priv->extension_current = 0;  in gpm_brightness_down()
765 			ret = gpm_brightness_helper_set_value ("set-brightness", brightness->priv->extension_current);  in gpm_brightness_down()
769 		brightness->priv->cache_trusted = FALSE;  in gpm_brightness_down()
781 gpm_brightness_may_have_changed (GpmBrightness *brightness)  in gpm_brightness_may_have_changed()  argument
785 	ret = gpm_brightness_get (brightness, &percentage);  in gpm_brightness_may_have_changed()
791 	g_signal_emit (brightness, signals [BRIGHTNESS_CHANGED], 0, percentage);  in gpm_brightness_may_have_changed()
800 	GpmBrightness *brightness = GPM_BRIGHTNESS (data);  in gpm_brightness_filter_xevents()  local
803 	gpm_brightness_may_have_changed (brightness);  in gpm_brightness_filter_xevents()
808 static void gpm_brightness_update_cache (GpmBrightness *brightness);
814 gpm_brightness_monitors_changed (GdkScreen *screen, GpmBrightness *brightness)  in gpm_brightness_monitors_changed()  argument
816 	g_return_if_fail (GPM_IS_BRIGHTNESS (brightness));  in gpm_brightness_monitors_changed()
817 	gpm_brightness_update_cache (brightness);  in gpm_brightness_monitors_changed()
824 gpm_brightness_update_cache (GpmBrightness *brightness)  in gpm_brightness_update_cache()  argument
832 	g_return_if_fail (GPM_IS_BRIGHTNESS (brightness));  in gpm_brightness_update_cache()
835 	length = brightness->priv->resources->len;  in gpm_brightness_update_cache()
837 		g_ptr_array_set_size (brightness->priv->resources, 0);  in gpm_brightness_update_cache()
847 				  G_CALLBACK (gpm_brightness_monitors_changed), brightness);  in gpm_brightness_update_cache()
850 	root = RootWindow (brightness->priv->dpy, 0);  in gpm_brightness_update_cache()
853 	resource = XRRGetScreenResourcesCurrent (brightness->priv->dpy, root);  in gpm_brightness_update_cache()
860 		g_ptr_array_add (brightness->priv->resources, resource);  in gpm_brightness_update_cache()
868 gpm_brightness_has_hw (GpmBrightness *brightness)  in gpm_brightness_has_hw()  argument
870 	g_return_val_if_fail (GPM_IS_BRIGHTNESS (brightness), FALSE);  in gpm_brightness_has_hw()
873 	if (brightness->priv->has_extension)  in gpm_brightness_has_hw()
877 	if (brightness->priv->extension_levels < 0)  in gpm_brightness_has_hw()
878 		brightness->priv->extension_levels = gpm_brightness_helper_get_value ("get-max-brightness");  in gpm_brightness_has_hw()
879 	if (brightness->priv->extension_levels > 0)  in gpm_brightness_has_hw()
890 	GpmBrightness *brightness;  in gpm_brightness_finalize()  local
893 	brightness = GPM_BRIGHTNESS (object);  in gpm_brightness_finalize()
894 	g_ptr_array_unref (brightness->priv->resources);  in gpm_brightness_finalize()
895 	gdk_window_remove_filter (brightness->priv->root_window,  in gpm_brightness_finalize()
896 				  gpm_brightness_filter_xevents, brightness);  in gpm_brightness_finalize()
922 gpm_brightness_init (GpmBrightness *brightness)  in gpm_brightness_init()  argument
929 	brightness->priv = gpm_brightness_get_instance_private (brightness);  in gpm_brightness_init()
931 	brightness->priv->cache_trusted = FALSE;  in gpm_brightness_init()
932 	brightness->priv->has_changed_events = FALSE;  in gpm_brightness_init()
933 	brightness->priv->cache_percentage = 0;  in gpm_brightness_init()
934 	brightness->priv->hw_changed = FALSE;  in gpm_brightness_init()
935 	brightness->priv->extension_levels = -1;  in gpm_brightness_init()
936 …brightness->priv->resources = g_ptr_array_new_with_free_func ((GDestroyNotify) XRRFreeScreenResour…  in gpm_brightness_init()
939 	brightness->priv->has_extension = gpm_brightness_setup_display (brightness);  in gpm_brightness_init()
940 	if (brightness->priv->has_extension == FALSE)  in gpm_brightness_init()
944 	brightness->priv->root_window = gdk_screen_get_root_window (screen);  in gpm_brightness_init()
952 	gdk_window_add_filter (brightness->priv->root_window,  in gpm_brightness_init()
953 			       gpm_brightness_filter_xevents, brightness);  in gpm_brightness_init()
958 			GDK_WINDOW_XID (brightness->priv->root_window),  in gpm_brightness_init()
966 	gpm_brightness_update_cache (brightness);  in gpm_brightness_init()