364 lines
9.3 KiB
C
364 lines
9.3 KiB
C
/*
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* vim:ts=8:sw=3:sts=8:noexpandtab:cino=>5n-3f0^-2{2
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*/
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#include "e.h"
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/* local subsystem functions */
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static void _e_bg_signal(void *data, Evas_Object *obj, const char *emission, const char *source);
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static void _e_bg_event_bg_update_free(void *data, void *event);
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/* local subsystem globals */
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static int _e_bg_reg_files = 0;
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EAPI int E_EVENT_BG_UPDATE = 0;
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/* externally accessible functions */
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EAPI int
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e_bg_init(void)
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{
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Evas_List *l;
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/* Register files in use */
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if (e_config->desktop_default_background)
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e_filereg_register(e_config->desktop_default_background);
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for (l = e_config->desktop_backgrounds; l; l = l->next)
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{
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E_Config_Desktop_Background *cfbg;
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cfbg = l->data;
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e_filereg_register(cfbg->file);
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}
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E_EVENT_BG_UPDATE = ecore_event_type_new();
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return 1;
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}
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EAPI int
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e_bg_shutdown(void)
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{
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Evas_List *l;
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/* Register files in use */
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if (e_config->desktop_default_background)
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e_filereg_deregister(e_config->desktop_default_background);
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for (l = e_config->desktop_backgrounds; l; l = l->next)
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{
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E_Config_Desktop_Background *cfbg;
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cfbg = l->data;
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e_filereg_deregister(cfbg->file);
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}
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return 1;
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}
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/**
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* Find the configuration for a given desktop background
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* Use -1 as a wild card for each parameter.
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* The most specific match will be returned
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*/
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EAPI const E_Config_Desktop_Background *
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e_bg_config_get(int container_num, int zone_num, int desk_x, int desk_y)
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{
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Evas_List *l, *ll, *entries;
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E_Config_Desktop_Background *bg = NULL;
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int current_spec = 0; /* how specific the setting is - we want the least general one that applies */
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/* look for desk specific background. */
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if (container_num >= 0 || zone_num >= 0 || desk_x >= 0 || desk_y >= 0)
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{
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for (l = e_config->desktop_backgrounds; l; l = l->next)
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{
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E_Config_Desktop_Background *cfbg;
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int spec;
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cfbg = l->data;
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spec = 0;
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if (cfbg->container == container_num) spec++;
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else if (cfbg->container >= 0) continue;
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if (cfbg->zone == zone_num) spec++;
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else if (cfbg->zone >= 0) continue;
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if (cfbg->desk_x == desk_x) spec++;
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else if (cfbg->desk_x >= 0) continue;
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if (cfbg->desk_y == desk_y) spec++;
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else if (cfbg->desk_y >= 0) continue;
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if (spec <= current_spec) continue;
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entries = edje_file_collection_list(cfbg->file);
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if (entries)
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{
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for (ll = entries; ll; ll = ll->next)
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{
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if (!strcmp(ll->data, "e/desktop/background"))
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{
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bg = cfbg;
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current_spec = spec;
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}
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}
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edje_file_collection_list_free(entries);
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}
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}
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}
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return bg;
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}
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EAPI const char *
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e_bg_file_get(int container_num, int zone_num, int desk_x, int desk_y)
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{
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const E_Config_Desktop_Background *cfbg;
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Evas_List *l, *entries;
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const char *bgfile = "";
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int ok = 0;
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cfbg = e_bg_config_get(container_num, zone_num, desk_x, desk_y);
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/* fall back to default */
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if (cfbg)
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bgfile = cfbg->file;
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else
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{
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entries = edje_file_collection_list(e_config->desktop_default_background);
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if (entries)
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{
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for (l = entries; l; l = l->next)
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{
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if (!strcmp(l->data, "e/desktop/background"))
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{
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bgfile = e_config->desktop_default_background;
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ok = 1;
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break;
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}
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}
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edje_file_collection_list_free(entries);
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}
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if (!ok)
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{
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bgfile = e_theme_edje_file_get("base/theme/background", "e/desktop/background");
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}
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}
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return bgfile;
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}
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EAPI void
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e_bg_zone_update(E_Zone *zone, E_Bg_Transition transition)
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{
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Evas_Object *o;
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const char *bgfile = "";
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const char *trans = "";
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E_Desk *desk;
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if (transition == E_BG_TRANSITION_START) trans = e_config->transition_start;
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else if (transition == E_BG_TRANSITION_DESK) trans = e_config->transition_desk;
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else if (transition == E_BG_TRANSITION_CHANGE) trans = e_config->transition_change;
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if ((!trans) || (strlen(trans) < 1)) transition = E_BG_TRANSITION_NONE;
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desk = e_desk_current_get(zone);
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if (desk)
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bgfile = e_bg_file_get(zone->container->num, zone->num, desk->x, desk->y);
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else
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bgfile = e_bg_file_get(zone->container->num, zone->num, -1, -1);
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if (zone->bg_object)
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{
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const char *pfile = "";
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edje_object_file_get(zone->bg_object, &pfile, NULL);
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if (!e_util_strcmp(pfile, bgfile))
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return;
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}
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if (transition == E_BG_TRANSITION_NONE)
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{
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if (zone->bg_object)
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{
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evas_object_del(zone->bg_object);
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zone->bg_object = NULL;
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}
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}
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else
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{
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char buf[4096];
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if (zone->bg_object)
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{
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if (zone->prev_bg_object)
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evas_object_del(zone->prev_bg_object);
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zone->prev_bg_object = zone->bg_object;
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if (zone->transition_object)
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evas_object_del(zone->transition_object);
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zone->transition_object = NULL;
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zone->bg_object = NULL;
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}
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o = edje_object_add(zone->container->bg_evas);
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zone->transition_object = o;
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evas_object_data_set(o, "e_zone", zone);
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snprintf(buf, sizeof(buf), "e/transitions/%s", trans);
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e_theme_edje_object_set(o, "base/theme/transitions", buf);
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edje_object_signal_callback_add(o, "e,state,done", "*", _e_bg_signal, zone);
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evas_object_move(o, zone->x, zone->y);
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evas_object_resize(o, zone->w, zone->h);
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evas_object_layer_set(o, -1);
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evas_object_clip_set(o, zone->bg_clip_object);
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evas_object_show(o);
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}
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o = edje_object_add(zone->container->bg_evas);
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zone->bg_object = o;
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evas_object_data_set(o, "e_zone", zone);
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evas_object_move(o, zone->x, zone->y);
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evas_object_resize(o, zone->w, zone->h);
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edje_object_file_set(o, bgfile, "e/desktop/background");
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evas_object_layer_set(o, -1);
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evas_object_clip_set(o, zone->bg_clip_object);
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evas_object_show(o);
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if (transition != E_BG_TRANSITION_NONE)
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{
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edje_object_part_swallow(zone->transition_object, "e.swallow.bg.old",
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zone->prev_bg_object);
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edje_object_part_swallow(zone->transition_object, "e.swallow.bg.new",
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zone->bg_object);
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edje_object_signal_emit(zone->transition_object, "e,action,start", "e");
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}
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}
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EAPI void
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e_bg_default_set(char * file)
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{
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E_Event_Bg_Update *ev;
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if (e_config->desktop_default_background)
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{
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e_filereg_deregister(e_config->desktop_default_background);
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evas_stringshare_del(e_config->desktop_default_background);
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}
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if (file)
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{
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e_filereg_register(file);
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e_config->desktop_default_background = evas_stringshare_add(file);
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}
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else
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e_config->desktop_default_background = NULL;
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ev = E_NEW(E_Event_Bg_Update, 1);
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ev->container = -1;
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ev->zone = -1;
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ev->desk_x = -1;
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ev->desk_y = -1;
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ecore_event_add(E_EVENT_BG_UPDATE, ev, _e_bg_event_bg_update_free, NULL);
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}
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EAPI void
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e_bg_add(int container, int zone, int desk_x, int desk_y, char *file)
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{
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E_Config_Desktop_Background *cfbg;
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E_Event_Bg_Update *ev;
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e_bg_del(container, zone, desk_x, desk_y);
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cfbg = E_NEW(E_Config_Desktop_Background, 1);
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cfbg->container = container;
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cfbg->zone = zone;
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cfbg->desk_x = desk_x;
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cfbg->desk_y = desk_y;
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cfbg->file = evas_stringshare_add(file);
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e_config->desktop_backgrounds = evas_list_append(e_config->desktop_backgrounds, cfbg);
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e_filereg_register(cfbg->file);
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ev = E_NEW(E_Event_Bg_Update, 1);
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ev->container = container;
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ev->zone = zone;
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ev->desk_x = desk_x;
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ev->desk_y = desk_y;
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ecore_event_add(E_EVENT_BG_UPDATE, ev, _e_bg_event_bg_update_free, NULL);
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}
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EAPI void
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e_bg_del(int container, int zone, int desk_x, int desk_y)
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{
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Evas_List *l;
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E_Event_Bg_Update *ev;
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for (l = e_config->desktop_backgrounds; l; l = l->next)
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{
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E_Config_Desktop_Background *cfbg;
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cfbg = l->data;
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if ((cfbg->container == container) && (cfbg->zone == zone) &&
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(cfbg->desk_x == desk_x) && (cfbg->desk_y == desk_y))
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{
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e_config->desktop_backgrounds = evas_list_remove_list(e_config->desktop_backgrounds, l);
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e_filereg_deregister(cfbg->file);
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if (cfbg->file) evas_stringshare_del(cfbg->file);
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free(cfbg);
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break;
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}
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}
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ev = E_NEW(E_Event_Bg_Update, 1);
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ev->container = container;
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ev->zone = zone;
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ev->desk_x = desk_x;
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ev->desk_y = desk_y;
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ecore_event_add(E_EVENT_BG_UPDATE, ev, _e_bg_event_bg_update_free, NULL);
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}
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EAPI void
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e_bg_update(void)
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{
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Evas_List *l, *ll, *lll;
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E_Manager *man;
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E_Container *con;
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E_Zone *zone;
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for (l = e_manager_list(); l; l = l->next)
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{
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man = l->data;
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for (ll = man->containers; ll; ll = ll->next)
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{
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con = ll->data;
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for (lll = con->zones; lll; lll = lll->next)
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{
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zone = lll->data;
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e_zone_bg_reconfigure(zone);
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}
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}
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}
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}
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/* local subsystem functions */
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static void
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_e_bg_signal(void *data, Evas_Object *obj, const char *emission, const char *source)
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{
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E_Zone *zone;
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zone = data;
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if (zone->prev_bg_object)
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{
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evas_object_del(zone->prev_bg_object);
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zone->prev_bg_object = NULL;
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}
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if (zone->transition_object)
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{
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evas_object_del(zone->transition_object);
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zone->transition_object = NULL;
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}
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evas_object_move(zone->bg_object, zone->x, zone->y);
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evas_object_resize(zone->bg_object, zone->w, zone->h);
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evas_object_layer_set(zone->bg_object, -1);
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evas_object_clip_set(zone->bg_object, zone->bg_clip_object);
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evas_object_show(zone->bg_object);
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}
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static void
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_e_bg_event_bg_update_free(void *data, void *event)
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{
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free(event);
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}
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