339 lines
7.4 KiB
C
339 lines
7.4 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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/* TODO: We need to free out efreet_desktop's! */
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/* local subsystem functions */
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static void _e_order_free (E_Order *eo);
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static void _e_order_cb_monitor (void *data, Ecore_File_Monitor *em, Ecore_File_Event event, const char *path);
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static void _e_order_read (E_Order *eo);
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static void _e_order_save (E_Order *eo);
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static int _e_order_cb_efreet_desktop_change(void *data, int ev_type, void *ev);
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static Eina_List *orders = NULL;
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static Eina_List *handlers = NULL;
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/* externally accessible functions */
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EAPI int
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e_order_init(void)
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{
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handlers = eina_list_append(handlers, ecore_event_handler_add(EFREET_EVENT_DESKTOP_CHANGE, _e_order_cb_efreet_desktop_change, NULL));
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efreet_menu_file_set(e_config->default_system_menu);
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return 1;
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}
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EAPI int
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e_order_shutdown(void)
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{
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orders = eina_list_free(orders);
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while (handlers)
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{
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ecore_event_handler_del(handlers->data);
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handlers = eina_list_remove_list(handlers, handlers);
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}
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return 1;
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}
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EAPI E_Order *
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e_order_new(const char *path)
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{
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E_Order *eo;
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eo = E_OBJECT_ALLOC(E_Order, E_ORDER_TYPE, _e_order_free);
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if (!eo) return NULL;
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if (path) eo->path = eina_stringshare_add(path);
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_e_order_read(eo);
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eo->monitor = ecore_file_monitor_add(path, _e_order_cb_monitor, eo);
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orders = eina_list_append(orders, eo);
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return eo;
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}
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EAPI void
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e_order_update_callback_set(E_Order *eo, void (*cb)(void *data, E_Order *eo), void *data)
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{
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E_OBJECT_CHECK(eo);
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E_OBJECT_TYPE_CHECK(eo, E_ORDER_TYPE);
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eo->cb.update = cb;
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eo->cb.data = data;
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}
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EAPI void
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e_order_remove(E_Order *eo, Efreet_Desktop *desktop)
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{
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Eina_List *tmp;
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E_OBJECT_CHECK(eo);
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E_OBJECT_TYPE_CHECK(eo, E_ORDER_TYPE);
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tmp = eina_list_data_find_list(eo->desktops, desktop);
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if (!tmp) return;
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efreet_desktop_free(tmp->data);
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eo->desktops = eina_list_remove_list(eo->desktops, tmp);
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_e_order_save(eo);
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}
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EAPI void
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e_order_append(E_Order *eo, Efreet_Desktop *desktop)
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{
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E_OBJECT_CHECK(eo);
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E_OBJECT_TYPE_CHECK(eo, E_ORDER_TYPE);
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efreet_desktop_ref(desktop);
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eo->desktops = eina_list_append(eo->desktops, desktop);
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_e_order_save(eo);
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}
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EAPI void
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e_order_prepend_relative(E_Order *eo, Efreet_Desktop *desktop, Efreet_Desktop *before)
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{
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E_OBJECT_CHECK(eo);
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E_OBJECT_TYPE_CHECK(eo, E_ORDER_TYPE);
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efreet_desktop_ref(desktop);
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eo->desktops = eina_list_prepend_relative(eo->desktops, desktop, before);
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_e_order_save(eo);
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}
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EAPI void
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e_order_files_append(E_Order *eo, Eina_List *files)
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{
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Eina_List *l;
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E_OBJECT_CHECK(eo);
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E_OBJECT_TYPE_CHECK(eo, E_ORDER_TYPE);
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for (l = files; l ; l = l->next)
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{
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Efreet_Desktop *desktop;
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const char *file;
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file = l->data;
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desktop = efreet_desktop_get(file);
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if (!desktop) continue;
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eo->desktops = eina_list_append(eo->desktops, desktop);
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}
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_e_order_save(eo);
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}
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EAPI void
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e_order_files_prepend_relative(E_Order *eo, Eina_List *files, Efreet_Desktop *before)
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{
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Eina_List *l;
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E_OBJECT_CHECK(eo);
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E_OBJECT_TYPE_CHECK(eo, E_ORDER_TYPE);
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for (l = files; l ; l = l->next)
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{
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Efreet_Desktop *desktop;
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const char *file;
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file = l->data;
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desktop = efreet_desktop_get(file);
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if (!desktop) continue;
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eo->desktops = eina_list_prepend_relative(eo->desktops, desktop, before);
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}
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_e_order_save(eo);
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}
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EAPI void
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e_order_clear(E_Order *eo)
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{
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E_OBJECT_CHECK(eo);
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E_OBJECT_TYPE_CHECK(eo, E_ORDER_TYPE);
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while (eo->desktops)
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{
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efreet_desktop_free(eo->desktops->data);
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eo->desktops = eina_list_remove_list(eo->desktops, eo->desktops);
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}
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_e_order_save(eo);
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}
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/* local subsystem functions */
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static void
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_e_order_free(E_Order *eo)
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{
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while (eo->desktops)
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{
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efreet_desktop_free(eo->desktops->data);
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eo->desktops = eina_list_remove_list(eo->desktops, eo->desktops);
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}
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if (eo->path) eina_stringshare_del(eo->path);
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if (eo->monitor) ecore_file_monitor_del(eo->monitor);
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orders = eina_list_remove(orders, eo);
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free(eo);
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}
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static void
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_e_order_cb_monitor(void *data, Ecore_File_Monitor *em, Ecore_File_Event event, const char *path)
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{
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E_Order *eo;
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eo = data;
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/* It doesn't really matter what the change is, just re-read the file */
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_e_order_read(eo);
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if (eo->cb.update) eo->cb.update(eo->cb.data, eo);
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}
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static void
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_e_order_read(E_Order *eo)
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{
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FILE *f;
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char *dir;
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while (eo->desktops)
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{
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efreet_desktop_free(eo->desktops->data);
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eo->desktops = eina_list_remove_list(eo->desktops, eo->desktops);
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}
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if (!eo->path) return;
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dir = ecore_file_dir_get(eo->path);
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f = fopen(eo->path, "rb");
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if (f)
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{
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char buf[4096];
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while (fgets(buf, sizeof(buf), f))
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{
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int len;
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len = strlen(buf);
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if (len > 0)
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{
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if (buf[len - 1] == '\n')
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{
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buf[len - 1] = 0;
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len--;
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}
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if (len > 0)
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{
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Efreet_Desktop *desktop;
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desktop = NULL;
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if (buf[0] == '/')
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desktop = efreet_desktop_get(buf);
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if (!desktop)
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desktop = efreet_desktop_get(ecore_file_file_get(buf));
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if (!desktop)
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{
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desktop = efreet_util_desktop_file_id_find(ecore_file_file_get(buf));
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/* Need to ref this as we only get a cache pointer from efreet_util */
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if (desktop) efreet_desktop_ref(desktop);
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}
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if (desktop) eo->desktops = eina_list_append(eo->desktops, desktop);
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}
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}
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}
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fclose(f);
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}
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if (dir) free(dir);
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}
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static void
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_e_order_save(E_Order *eo)
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{
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FILE *f;
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Eina_List *l;
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if (!eo->path) return;
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f = fopen(eo->path, "wb");
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if (!f) return;
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for (l = eo->desktops; l; l = l->next)
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{
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Efreet_Desktop *desktop;
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const char *id;
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desktop = l->data;
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id = efreet_util_path_to_file_id(desktop->orig_path);
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if (id)
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{
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fprintf(f, "%s\n", id);
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}
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else
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{
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fprintf(f, "%s\n", desktop->orig_path);
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}
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}
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fclose(f);
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}
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static int
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_e_order_cb_efreet_desktop_change(void *data, int ev_type, void *ev)
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{
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Efreet_Event_Desktop_Change *event;
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Eina_List *l;
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event = ev;
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switch (event->change)
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{
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case EFREET_DESKTOP_CHANGE_ADD:
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/* If a desktop is added, reread all .order files */
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for (l = orders; l; l = l->next)
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{
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E_Order *eo;
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eo = l->data;
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_e_order_read(eo);
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if (eo->cb.update) eo->cb.update(eo->cb.data, eo);
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}
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break;
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case EFREET_DESKTOP_CHANGE_REMOVE:
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/* If a desktop is removed, drop the .desktop pointer */
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for (l = orders; l; l = l->next)
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{
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E_Order *eo;
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Eina_List *l2;
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int changed = 0;
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eo = l->data;
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for (l2 = eo->desktops; l2; l2 = l2->next)
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{
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if (l2->data == event->current)
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{
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efreet_desktop_free(l2->data);
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eo->desktops = eina_list_remove_list(eo->desktops, l2);
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changed = 1;
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}
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}
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if ((changed) && (eo->cb.update)) eo->cb.update(eo->cb.data, eo);
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}
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break;
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case EFREET_DESKTOP_CHANGE_UPDATE:
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/* If a desktop is updated, point to the new desktop and update */
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for (l = orders; l; l = l->next)
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{
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E_Order *eo;
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Eina_List *l2;
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int changed = 0;
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eo = l->data;
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for (l2 = eo->desktops; l2; l2 = l2->next)
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{
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if (l2->data == event->previous)
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{
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efreet_desktop_free(l2->data);
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efreet_desktop_ref(event->current);
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l2->data = event->current;
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changed = 1;
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}
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}
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if ((changed) && (eo->cb.update)) eo->cb.update(eo->cb.data, eo);
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}
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break;
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}
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return 1;
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}
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