enlightenment/src/modules/randr/e_mod_main.c

/*
 * vim:ts=8:sw=3:sts=8:noexpandtab:cino=>5n-3f0^-2{2
 */
#include "e.h"
#include "e_mod_main.h"

/*
 * TODO:
 * * Check if randr is available. It might be disabled in
 *   ecore_x, or not available on screen
 * * Restore screen res if the user wants it
 */

static Randr *_randr_new(void);
static void _randr_free(Randr *e);
static void _randr_config_menu_new(Randr *e);
static void _randr_menu_resolution_add(void *data, E_Menu *m);
static void _randr_menu_resolution_del(void *data, E_Menu *m);
static void _randr_menu_cb_store(void *data, E_Menu *m, E_Menu_Item *mi);
static void _randr_menu_cb_resolution_change(void *data, E_Menu *m, E_Menu_Item *mi);

static E_Config_DD *conf_edd;

void *
e_modapi_init(E_Module *m)
{
   Randr *e;
   
   if (m->api->version < E_MODULE_API_VERSION) {
      e_error_dialog_show(_("Module API Error"),
			  _("Error initializing Module: randr\n"
			    "It requires a minimum module API version of: %i.\n"
			    "The module API advertized by Enlightenment is: %i.\n"
			    "Aborting module."),
			  E_MODULE_API_VERSION,
			  m->api->version);
      return NULL;
   }
   
   /* Create the button */
   e = _randr_new();
   m->config_menu = e->config_menu;
   return e;
}

int
e_modapi_shutdown(E_Module *m)
{
   Randr *e;

   if (m->config_menu) m->config_menu = NULL;
   
   e = m->data;
   if (e) _randr_free(e);
   return 1;
}

int
e_modapi_save(E_Module *m)
{
   Randr *e;
   
   e = m->data;
   e_config_domain_save("module.randr", conf_edd, e->conf);
   
   return 1;
}

int
e_modapi_info(E_Module *m)
{
   char buf[4096];
   
   m->label = strdup(_("Randr"));
   snprintf(buf, sizeof(buf), "%s/module_icon.png", e_module_dir_get(m));
   m->icon_file = strdup(buf);
   return 1;
}

int
e_modapi_about(E_Module *m)
{
   e_error_dialog_show(_("Enlightenment Randr Module"),
		       _("Module to change screen resolution for E17"));
   return 1;
}

static Randr *
_randr_new(void)
{
   Randr *e;
   
   e = E_NEW(Randr, 1);
   if (!e) return NULL;
   
   conf_edd = E_CONFIG_DD_NEW("Randr_Config", Config);
#undef T
#undef D
#define T Config
#define D conf_edd
   E_CONFIG_VAL(D, T, store, INT);
   E_CONFIG_VAL(D, T, width, INT);
   E_CONFIG_VAL(D, T, height, INT);
   
   e->conf = e_config_domain_load("module.randr", conf_edd);
   if (!e->conf) e->conf = E_NEW(Config, 1);
   
   _randr_config_menu_new(e);

   e->augmentation = e_int_menus_menu_augmentation_add("config",
						       _randr_menu_resolution_add, e,
						       _randr_menu_resolution_del, e);

   return e;
}

static void
_randr_free(Randr *e)
{
   E_CONFIG_DD_FREE(conf_edd);
   
   e_object_del(E_OBJECT(e->config_menu));
   if (e->resolution_menu)
     e_object_del(E_OBJECT(e->resolution_menu));
   
   e_int_menus_menu_augmentation_del("config", e->augmentation);
   free(e->conf);
   free(e);
}

static void
_randr_config_menu_new(Randr *e)
{
   E_Menu *m;
   E_Menu_Item *mi;

   m = e_menu_new();
   e->config_menu = m;

   mi = e_menu_item_new(m);
   e_menu_item_label_set(mi, _("Store"));
   e_menu_item_check_set(mi, 1);
   e_menu_item_toggle_set(mi, e->conf->store);
   e_menu_item_callback_set(mi, _randr_menu_cb_store, e);
}

static void
_randr_menu_resolution_add(void *data, E_Menu *m)
{
   E_Manager *man;
   Randr *e;
   E_Menu *subm, *root;
   E_Menu_Item *mi;
   Ecore_X_Screen_Size *sizes;
   Ecore_X_Screen_Size size;
   int i, n;

   e = data;

   subm = e_menu_new();
   e->resolution_menu = subm;

   mi = e_menu_item_new(m);
   e_menu_item_label_set(mi, _("Resolution"));
   e_menu_item_submenu_set(mi, subm);

   root = e_menu_root_get(m);
   if (!root->zone)
     man = e_manager_current_get();
   else
     man = root->zone->container->manager;

   sizes = ecore_x_randr_screen_sizes_get(man->root, &n);
   size = ecore_x_randr_current_screen_size_get(man->root);
   if (sizes)
     {
	char buf[16];

	for (i = 0; i < n; i++)
	  {
	     snprintf(buf, sizeof(buf), "%dx%d", sizes[i].width, sizes[i].height);
	     mi = e_menu_item_new(subm);
	     e_menu_item_radio_set(mi, 1);
	     e_menu_item_radio_group_set(mi, 1);
	     if ((sizes[i].width == size.width) && (sizes[i].height == size.height))
	       e_menu_item_toggle_set(mi, 1);
	     e_menu_item_label_set(mi, buf);
	     e_menu_item_callback_set(mi, _randr_menu_cb_resolution_change, e);
	  }
	free(sizes);
     }
}

static void
_randr_menu_resolution_del(void *data, E_Menu *m)
{
   Randr *e;

   e = data;

   if (e->resolution_menu)
     {
	e_object_del(E_OBJECT(e->resolution_menu));
	e->resolution_menu = NULL;
     }
}

static void
_randr_menu_cb_store(void *data, E_Menu *m, E_Menu_Item *mi)
{
   Randr *e;

   e = data;
   e->conf->store = e_menu_item_toggle_get(mi);
}

static void
_randr_menu_cb_resolution_change(void *data, E_Menu *m, E_Menu_Item *mi)
{
   Randr *e;
   Ecore_X_Screen_Size size;
   
   e = data;
   if (sscanf(mi->label, "%dx%d", &size.width, &size.height) != 2) return;
   ecore_x_randr_screen_size_set(m->zone->container->manager->root, size);

   e->conf->width = size.width;
   e->conf->height = size.height;
}