#include "e.h"

/* TODO:
 *
 * Give list some icons.
*/

#define RANDR_11 ((1 << 16) | 1)

static void         _fill_data               (E_Config_Dialog_Data *cfdata);
static void        *_create_data             (E_Config_Dialog *cfd);
static void         _free_data               (E_Config_Dialog *cfd, E_Config_Dialog_Data *cfdata);
static int          _basic_check_changed     (E_Config_Dialog *cfd, E_Config_Dialog_Data *cfdata);
static int          _basic_apply_data        (E_Config_Dialog *cfd, E_Config_Dialog_Data *cfdata);
static Evas_Object *_basic_create_widgets    (E_Config_Dialog *cfd, Evas *evas, E_Config_Dialog_Data *cfdata);
static void         _load_resolutions        (E_Config_Dialog_Data *cfdata);
static void         _load_rates              (E_Config_Dialog_Data *cfdata);
static void         _ilist_item_change       (void *data);
static Eina_Bool    _deferred_noxrandr_error (void *data);
static Eina_Bool    _deferred_norates_error  (void *data);
static int	    _sort_resolutions	     (const void *d1, const void *d2);

typedef struct _Resolution Resolution;
typedef struct _SureBox SureBox;

struct _Resolution
{
   int id;
   Ecore_X_Randr_Screen_Size size;
   int size_index;
   Eina_List *rates;
};

struct _SureBox
{
   E_Dialog *dia;
   Ecore_Timer *timer;
   int iterations;
   E_Config_Dialog *cfd;
   E_Config_Dialog_Data *cfdata;
};

struct _E_Config_Dialog_Data
{
   E_Config_Dialog *cfd;
   Eina_List *resolutions;
   Ecore_X_Randr_Screen_Size orig_size;
   int orig_size_index;
   Ecore_X_Randr_Refresh_Rate orig_rate;
   int orig_orientation;
   int orig_flip;
   int restore;
   int can_rotate;
   int can_flip;
   int orientation;
   int flip;
   int flip_x;
   int flip_y;
   Eina_Bool has_rates;

   Evas_Object *rate_list;
   Evas_Object *res_list;
   SureBox *surebox;
};

static void
_surebox_dialog_cb_delete(E_Win *win)
{
   E_Dialog *dia;
   SureBox *sb;
   E_Config_Dialog *cfd;

   dia = win->data;
   sb = dia->data;
   sb->cfdata->surebox = NULL;
   cfd = sb->cfdata->cfd;
   if (sb->timer) ecore_timer_del(sb->timer);
   sb->timer = NULL;
   free(sb);
   e_object_del(E_OBJECT(dia));
   e_object_unref(E_OBJECT(cfd));
}

static void
_surebox_dialog_cb_yes(void *data, E_Dialog *dia)
{
   SureBox *sb;

   sb = data;

   if (sb->cfdata->restore)
     e_randr_11_store_configuration(E_RANDR_CONFIGURATION_STORE_ALL);

   _fill_data(sb->cfdata);
   _load_resolutions(sb->cfdata);
   /* No need to load rates as the currently selected resolution has not been
    * changed since last selection. */
   if (dia) _surebox_dialog_cb_delete(dia->win);
}

static void
_surebox_dialog_cb_no(void *data, E_Dialog *dia)
{
   SureBox *sb;

   sb = data;
   ecore_x_randr_screen_primary_output_refresh_rate_set(sb->dia->win->container->manager->root,
					 sb->cfdata->orig_size_index, sb->cfdata->orig_rate);
   _load_resolutions(sb->cfdata);
   _load_rates(sb->cfdata);
   _surebox_dialog_cb_delete(dia->win);
}

static void
_surebox_text_fill(SureBox *sb)
{
   char buf[4096];

   if (!sb->dia) return;
   if (sb->iterations > 1)
     {
	if (sb->cfdata->has_rates)
	  snprintf(buf, sizeof(buf),
		   P_("Does this look OK? <hilight>Save</hilight> if it does, or Restore if not.<br>"
		      "If you do not press a button, the old resolution of<br>"
		      "%d×%d at %d Hz will be restored in %d second.",
		      "Does this look OK? <hilight>Save</hilight> if it does, or Restore if not.<br>"
		      "If you do not press a button, the old resolution of<br>"
		      "%d×%d at %d Hz will be restored in %d seconds.", sb->iterations),
		   sb->cfdata->orig_size.width, sb->cfdata->orig_size.height,
		   sb->cfdata->orig_rate, sb->iterations);
	else
	  snprintf(buf, sizeof(buf),
		   P_("Does this look OK? <hilight>Save</hilight> if it does, or Restore if not.<br>"
		      "If you do not press a button, the old resolution of<br>"
		      "%d×%d will be restored in %d second.",
		      "Does this look OK? <hilight>Save</hilight> if it does, or Restore if not.<br>"
		      "If you do not press a button, the old resolution of<br>"
		      "%d×%d will be restored in %d seconds.", sb->iterations),
		   sb->cfdata->orig_size.width, sb->cfdata->orig_size.height,
		   sb->iterations);
     }
   else
     {
	if (sb->cfdata->has_rates)
	  snprintf(buf, sizeof(buf),
		   _("Does this look OK? <hilight>Save</hilight> if it does, or Restore if not.<br>"
		     "If you do not press a button, the old resolution of<br>"
		     "%d×%d at %d Hz will be restored <hilight>IMMEDIATELY</hilight>."),
		   sb->cfdata->orig_size.width, sb->cfdata->orig_size.height,
		   sb->cfdata->orig_rate);
	else
	  snprintf(buf, sizeof(buf),
		   _("Does this look OK? <hilight>Save</hilight> if it does, or Restore if not.<br>"
		     "If you do not press a button, the old resolution of<br>"
		     "%d×%d will be restored <hilight>IMMEDIATELY</hilight>."),
		   sb->cfdata->orig_size.width, sb->cfdata->orig_size.height);
     }
   e_dialog_text_set(sb->dia, buf);
}

static Eina_Bool
_surebox_timer_cb(void *data)
{
   SureBox *sb;

   sb = data;
   sb->iterations--;
   _surebox_text_fill(sb);
   if (sb->iterations == 0)
     {
	_surebox_dialog_cb_no(sb, sb->dia);
	return ECORE_CALLBACK_CANCEL;
     }
   return ECORE_CALLBACK_RENEW;
}

static SureBox *
_surebox_new(E_Config_Dialog *cfd, E_Config_Dialog_Data *cfdata)
{
   SureBox *sb;

   sb = E_NEW(SureBox, 1);
   sb->dia = e_dialog_new(cfd->con, "E", "_display_res_sure_dialog");
   sb->timer = ecore_timer_add(1.0, _surebox_timer_cb, sb);
   sb->iterations = 15;
   sb->cfd = cfd;
   sb->cfdata = cfdata;
   cfdata->surebox = sb;
   sb->dia->data = sb;
   e_dialog_title_set(sb->dia, _("Resolution change"));
   e_dialog_icon_set(sb->dia, "preferences-system-screen-resolution", 48);
   _surebox_text_fill(sb);
   e_win_delete_callback_set(sb->dia->win, _surebox_dialog_cb_delete);
   e_dialog_button_add(sb->dia, _("Save"), NULL, _surebox_dialog_cb_yes, sb);
   e_dialog_button_add(sb->dia, _("Restore"), NULL, _surebox_dialog_cb_no, sb);
   e_dialog_button_focus_num(sb->dia, 1);
   e_win_centered_set(sb->dia->win, 1);
   e_win_borderless_set(sb->dia->win, 1);
   e_win_layer_set(sb->dia->win, E_WIN_LAYER_ABOVE);
   e_win_sticky_set(sb->dia->win, 1);
   e_dialog_show(sb->dia);
   e_object_ref(E_OBJECT(cfd));
   return sb;
}

E_Config_Dialog *
e_int_config_display(E_Container *con, const char *params __UNUSED__)
{
   E_Config_Dialog *cfd;
   E_Config_Dialog_View *v;

   if (!ecore_x_randr_query())
     {
        ecore_timer_add(0.5, _deferred_noxrandr_error, NULL);
        fprintf(stderr, "XRandR not present on this display.\n");
        return NULL;
     }

   if (e_config_dialog_find("E", "screen/screen_resolution")) return NULL;
   v = E_NEW(E_Config_Dialog_View, 1);
   v->create_cfdata = _create_data;
   v->free_cfdata = _free_data;
   v->basic.apply_cfdata = _basic_apply_data;
   v->basic.create_widgets = _basic_create_widgets;
   v->basic.check_changed = _basic_check_changed;
   v->override_auto_apply = 1;

   cfd = e_config_dialog_new(con, _("Screen Resolution Settings"),
			     "E", "screen/screen_resolution",
			     "preferences-system-screen-resolution", 0, v, NULL);
   return cfd;
}

static void
_fill_data(E_Config_Dialog_Data *cfdata)
{
   E_Manager *man;
   int rots;

   man = e_manager_current_get();
   ecore_x_randr_screen_primary_output_current_size_get(man->root, &cfdata->orig_size.width, &cfdata->orig_size.height, NULL, NULL, &cfdata->orig_size_index);
   cfdata->orig_rate = ecore_x_randr_screen_primary_output_current_refresh_rate_get(man->root);

   rots = ecore_x_randr_screen_primary_output_orientations_get(man->root);
   if ((rots) && (rots != ECORE_X_RANDR_ORIENTATION_ROT_0))
     {
	cfdata->orientation = ecore_x_randr_screen_primary_output_orientation_get(man->root);
	cfdata->can_flip = rots & (ECORE_X_RANDR_ORIENTATION_FLIP_X | ECORE_X_RANDR_ORIENTATION_FLIP_Y);
	cfdata->flip = cfdata->orientation &
	  (ECORE_X_RANDR_ORIENTATION_FLIP_X | ECORE_X_RANDR_ORIENTATION_FLIP_Y);
	cfdata->orig_flip = cfdata->flip;

	if (cfdata->orientation & (ECORE_X_RANDR_ORIENTATION_FLIP_X))
	  cfdata->flip_x = 1;
	if (cfdata->orientation & (ECORE_X_RANDR_ORIENTATION_FLIP_Y))
	  cfdata->flip_y = 1;

	cfdata->can_rotate =
	  rots & (ECORE_X_RANDR_ORIENTATION_ROT_0 | ECORE_X_RANDR_ORIENTATION_ROT_90 |
		  ECORE_X_RANDR_ORIENTATION_ROT_180 | ECORE_X_RANDR_ORIENTATION_ROT_270);
	cfdata->orientation =
	  cfdata->orientation &
	  (ECORE_X_RANDR_ORIENTATION_ROT_0 | ECORE_X_RANDR_ORIENTATION_ROT_90 |
	   ECORE_X_RANDR_ORIENTATION_ROT_180 | ECORE_X_RANDR_ORIENTATION_ROT_270);
	cfdata->orig_orientation = cfdata->orientation;
     }
}

static void *
_create_data(E_Config_Dialog *cfd)
{
   E_Config_Dialog_Data *cfdata;

   cfdata = E_NEW(E_Config_Dialog_Data, 1);
   _fill_data(cfdata);
   cfdata->cfd = cfd;
   return cfdata;
}

static void
_free_data(E_Config_Dialog *cfd __UNUSED__, E_Config_Dialog_Data *cfdata)
{
   Resolution *r;

   if (cfdata->surebox)
     _surebox_dialog_cb_delete(cfdata->surebox->dia->win);

   EINA_LIST_FREE(cfdata->resolutions, r)
     {
	Ecore_X_Randr_Refresh_Rate *rt;

	EINA_LIST_FREE(r->rates, rt)
	  E_FREE(rt);

	E_FREE(r);
     }
   E_FREE(cfdata);
}

static int
_basic_check_changed(E_Config_Dialog *cfd __UNUSED__, E_Config_Dialog_Data *cfdata)
{
   int r;
   Resolution *res;
   Ecore_X_Randr_Refresh_Rate *rt;

   r = e_widget_ilist_selected_get(cfdata->res_list);
   if (r < 0) return 0;
   res = eina_list_nth(cfdata->resolutions, r);
   if (!res) return 0;
   r = e_widget_ilist_selected_get(cfdata->rate_list);
   if (r < 0) return 0;
   rt = eina_list_nth(res->rates, r);
   if (!rt) return 0;

   return ((res->size.width != cfdata->orig_size.width) ||
	  (res->size.height != cfdata->orig_size.height) ||
	  (cfdata->has_rates && (*rt != cfdata->orig_rate)) ||
	  (cfdata->can_rotate &&
	   (cfdata->orig_orientation != cfdata->orientation)) ||
	  (cfdata->can_flip &&
	   (((!(cfdata->orig_flip & ECORE_X_RANDR_ORIENTATION_FLIP_X)) !=
	     (!cfdata->flip_x)) ||
	    ((!(cfdata->orig_flip & ECORE_X_RANDR_ORIENTATION_FLIP_Y)) !=
	     (!cfdata->flip_y)))));
}

static int
_basic_apply_data(E_Config_Dialog *cfd, E_Config_Dialog_Data *cfdata)
{
   int r;
   Resolution *res;
   Ecore_X_Randr_Refresh_Rate *rate;
   E_Manager *man;

   r = e_widget_ilist_selected_get(cfdata->res_list);
   res = eina_list_nth(cfdata->resolutions, r);
   r = e_widget_ilist_selected_get(cfdata->rate_list);
   rate = eina_list_nth(res->rates, r);

   man = e_manager_current_get();

   if (!((cfdata->orig_size.width == res->size.width) &&
	 (cfdata->orig_size.height == res->size.height) &&
	 (cfdata->orig_rate == *rate || !cfdata->has_rates)))
     {
	if (cfdata->has_rates)
	  ecore_x_randr_screen_primary_output_refresh_rate_set(man->root, res->size_index, *rate);
	else
	  ecore_x_randr_screen_primary_output_size_set(man->root, res->size_index);

	if (e_config->cnfmdlg_disabled)
	  {
	     SureBox *sb;

	     sb = E_NEW(SureBox, 1);
	     sb->cfd = cfd;
	     sb->cfdata = cfdata;
	     _surebox_dialog_cb_yes (sb, NULL);
	  }
	else
	  _surebox_new(cfd, cfdata);
     }

   if ((cfdata->can_rotate) || (cfdata->can_flip))
     {
	cfdata->flip = cfdata->orientation;
	if (cfdata->flip_x)
	  cfdata->flip = (cfdata->flip | ECORE_X_RANDR_ORIENTATION_FLIP_X);
	if (cfdata->flip_y)
	  cfdata->flip = (cfdata->flip | ECORE_X_RANDR_ORIENTATION_FLIP_Y);

	ecore_x_randr_screen_primary_output_orientation_set(man->root,
					  (cfdata->orientation | cfdata->flip));
	cfdata->orig_orientation = cfdata->orientation;
	cfdata->orig_flip = cfdata->flip;
     }

   return 1;
}

static Evas_Object *
_basic_create_widgets(E_Config_Dialog *cfd, Evas *evas, E_Config_Dialog_Data *cfdata)
{
   Evas_Object *o, *of, *ob, *ot;
   E_Radio_Group *rg;
   E_Manager *man;
   Ecore_X_Randr_Screen_Size_MM *sizes;
   int i, s;

   o = e_widget_table_add(evas, 0);

   of = e_widget_framelist_add(evas, _("Resolution"), 0);
   ob = e_widget_ilist_add(evas, 16, 16, NULL);
   cfdata->res_list = ob;
   e_widget_size_min_set(ob, 170, 215);
   e_widget_framelist_object_append(of, ob);
   e_widget_table_object_append(o, of, 0, 0, 1, 1, 1, 1, 1, 1);

   ob = e_widget_check_add(evas, _("Restore on login"), &cfdata->restore);
   e_widget_table_object_append(o, ob, 0, 1, 2, 1, 1, 1, 0, 0);

   ot = e_widget_table_add(evas, 0);
   of = e_widget_framelist_add(evas, _("Refresh"), 0);
   ob = e_widget_ilist_add(evas, 16, 16, NULL);
   cfdata->rate_list = ob;
   e_widget_size_min_set(ob, 100, 80);
   e_widget_framelist_object_append(of, ob);
   e_widget_table_object_append(ot, of, 0, 0, 1, 1, 1, 1, 1, 1);

   man = e_manager_current_get();
   sizes = ecore_x_randr_screen_primary_output_sizes_get(man->root, &s);
   cfdata->has_rates = EINA_FALSE;

   if ((!sizes) || (s == 0))
     ecore_timer_add(0.5, _deferred_noxrandr_error, NULL);
   else
     {
	ecore_x_randr_screen_primary_output_current_size_get(man->root, &cfdata->orig_size.width, &cfdata->orig_size.height, NULL, NULL, &cfdata->orig_size_index);
	cfdata->orig_rate = ecore_x_randr_screen_primary_output_current_refresh_rate_get(man->root);

	for (i = 0; i < (s - 1); i++)
	  {
	     Resolution * res;
	     Ecore_X_Randr_Refresh_Rate * rates;
	     int r = 0, j;

	     res = E_NEW(Resolution, 1);
	     if (!res) continue;

	     res->size.width = sizes[i].width;
	     res->size.height = sizes[i].height;
	     res->size_index = i;
	     rates = ecore_x_randr_screen_primary_output_refresh_rates_get(man->root, i, &r);
	     for (j = 0; j < r; j++)
	       {
		  Ecore_X_Randr_Refresh_Rate * rt;

		  cfdata->has_rates = EINA_TRUE;
		  rt = E_NEW(Ecore_X_Randr_Refresh_Rate, 1);
		  if (!rt) continue;
		  *rt = rates[j];
		  res->rates = eina_list_append(res->rates, rt);
	       }
	     if (rates) E_FREE(rates);
	     cfdata->resolutions = eina_list_append(cfdata->resolutions, res);
	  }

	cfdata->resolutions = eina_list_sort(cfdata->resolutions,
	      eina_list_count(cfdata->resolutions), _sort_resolutions);
	cfdata->resolutions = eina_list_reverse(cfdata->resolutions);

	_load_resolutions(cfdata);
	if (!cfdata->has_rates)
	  ecore_timer_add(0.5, _deferred_norates_error, NULL);
     }

   E_FREE(sizes);

   _load_rates(cfdata);

   if (cfdata->can_rotate)
     {
	of = e_widget_framelist_add(evas, _("Rotation"), 0);
	rg = e_widget_radio_group_new(&(cfdata->orientation));
	ob = e_widget_radio_icon_add(evas, NULL, "preferences-screen-normal", 24, 24, ECORE_X_RANDR_ORIENTATION_ROT_0, rg);
        e_widget_framelist_object_append(of, ob);
	if (!(cfdata->can_rotate & ECORE_X_RANDR_ORIENTATION_ROT_0)) e_widget_disabled_set(ob, 1);
	ob = e_widget_radio_icon_add(evas, NULL, "preferences-screen-left", 24, 24, ECORE_X_RANDR_ORIENTATION_ROT_90, rg);
        e_widget_framelist_object_append(of, ob);
	if (!(cfdata->can_rotate & ECORE_X_RANDR_ORIENTATION_ROT_90)) e_widget_disabled_set(ob, 1);
	ob = e_widget_radio_icon_add(evas, NULL, "preferences-screen-around", 24, 24, ECORE_X_RANDR_ORIENTATION_ROT_180, rg);
        e_widget_framelist_object_append(of, ob);
	if (!(cfdata->can_rotate & ECORE_X_RANDR_ORIENTATION_ROT_180)) e_widget_disabled_set(ob, 1);
	ob = e_widget_radio_icon_add(evas, NULL, "preferences-screen-right", 24, 24, ECORE_X_RANDR_ORIENTATION_ROT_270, rg);
        e_widget_framelist_object_append(of, ob);
	if (!(cfdata->can_rotate & ECORE_X_RANDR_ORIENTATION_ROT_270)) e_widget_disabled_set(ob, 1);
	e_widget_table_object_append(ot, of, 0, 1, 1, 1, 1, 0, 1, 0);
     }

   if (cfdata->can_flip)
     {
	of = e_widget_framelist_add(evas, _("Mirroring"), 0);
	ob = e_widget_check_icon_add(evas, NULL, "preferences-screen-hflip", 24, 24, &(cfdata->flip_x));
        e_widget_framelist_object_append(of, ob);
	if (!(cfdata->can_flip & ECORE_X_RANDR_ORIENTATION_FLIP_X)) e_widget_disabled_set(ob, 1);
	ob = e_widget_check_icon_add(evas, NULL, "preferences-screen-vflip", 24, 24, &(cfdata->flip_y));
        e_widget_framelist_object_append(of, ob);
	if (!(cfdata->can_flip & ECORE_X_RANDR_ORIENTATION_FLIP_Y))
	  e_widget_disabled_set(ob, 1);
	e_widget_table_object_append(ot, of, 0, 2, 1, 1, 1, 0, 1, 0);
     }

   e_widget_table_object_append(o, ot, 1, 0, 1, 1, 1, 1, 1, 1);
   e_dialog_resizable_set(cfd->dia, 1);
   return o;
}

static int
_sort_resolutions(const void *d1, const void *d2)
{
   const Resolution *r1 = d1;
   const Resolution *r2 = d2;

   if (r1->size.width > r2->size.width) return 1;
   if (r1->size.width < r2->size.width) return -1;
   if (r1->size.height > r2->size.height) return 1;

   return -1;
}

static void
_load_resolutions(E_Config_Dialog_Data *cfdata)
{
   int i, sel = 0;
   Evas *evas;
   Eina_List *l;

   evas = evas_object_evas_get(cfdata->res_list);
   if (e_widget_ilist_count(cfdata->res_list) !=
       (int) eina_list_count(cfdata->resolutions))
     {
	evas_event_freeze(evas);
	edje_freeze();
	e_widget_ilist_freeze(cfdata->res_list);
	e_widget_ilist_clear(cfdata->res_list);

	for (l = cfdata->resolutions, i = 0; l; l = l->next, i++)
	  {
	     char buf[1024];
	     Resolution *res = l->data;
	     Evas_Object *ob = NULL;

	     res->id = i;
	     snprintf(buf, sizeof(buf), _("%i×%i"), res->size.width, res->size.height);

	     if ((res->size.width == cfdata->orig_size.width) &&
		 (res->size.height == cfdata->orig_size.height))
	       {
		  ob = e_icon_add(evas);
		  e_util_icon_theme_set(ob, "dialog-ok-apply");
		  sel = res->id;
	       }
	     e_widget_ilist_append(cfdata->res_list, ob, buf,
                                   _ilist_item_change, cfdata, NULL);
	  }

	e_widget_ilist_go(cfdata->res_list);
	e_widget_ilist_selected_set(cfdata->res_list, sel);
	e_widget_ilist_thaw(cfdata->res_list);
	edje_thaw();
	evas_event_thaw(evas);
     }
   else
     {
	for (l = cfdata->resolutions; l; l = l->next)
	  {
	     Resolution *res = l->data;
	     Evas_Object *ob = NULL;

	     if ((res->size.width == cfdata->orig_size.width) &&
		 (res->size.height == cfdata->orig_size.height))
	       {
		  ob = e_icon_add(evas);
		  e_util_icon_theme_set(ob, "dialog-ok-apply");
	       }
	     e_widget_ilist_nth_icon_set(cfdata->res_list, res->id, ob);
	  }
     }
}

static void
_load_rates(E_Config_Dialog_Data *cfdata)
{
   int r, k = 0, sel = 0;
   char buf[16];
   Evas *evas;
   Resolution *res;
   Eina_List *l;

   evas = evas_object_evas_get(cfdata->rate_list);
   evas_event_freeze(evas);
   edje_freeze();
   e_widget_ilist_freeze(cfdata->rate_list);
   e_widget_ilist_clear(cfdata->rate_list);

   r = e_widget_ilist_selected_get(cfdata->res_list);

   EINA_LIST_FOREACH(cfdata->resolutions, l, res)
     if (res->id == r)
       {
	  Ecore_X_Randr_Refresh_Rate *rt;
	  Eina_List *ll;

	  EINA_LIST_FOREACH(res->rates, ll, rt)
	    {
	       Evas_Object *ob = NULL;

	       snprintf(buf, sizeof(buf), "%i Hz", (int)*rt);

	       if (*rt == cfdata->orig_rate)
		 {
		    ob = e_icon_add(evas);
		    e_util_icon_theme_set(ob, "dialog-ok-apply");
		    sel = k;
		 }
	       e_widget_ilist_append(cfdata->rate_list, ob, buf, NULL, NULL, NULL);
	       k++;
	    }
	  break;
       }

   e_widget_ilist_go(cfdata->rate_list);
   e_widget_ilist_selected_set(cfdata->rate_list, sel);
   e_widget_ilist_thaw(cfdata->rate_list);
   edje_thaw();
   evas_event_thaw(evas);
}

static void
_ilist_item_change(void *data)
{
   _load_rates(data);
}

static Eina_Bool
_deferred_noxrandr_error(void *data __UNUSED__)
{
   e_util_dialog_show(_("Missing Features"),
		      _("Your X Display Server is missing support for<br>"
			"the <hilight>XRandR</hilight> (X Resize and Rotate) extension.<br>"
			"You cannot change screen resolutions without<br>"
			"the support of this extension. It could also be<br>"
			"that at the time <hilight>ecore</hilight> was built, there<br>"
			"was no XRandR support detected."));
   return ECORE_CALLBACK_CANCEL;
}

static Eina_Bool
_deferred_norates_error(void *data __UNUSED__)
{
   e_util_dialog_show(_("No Refresh Rates Found"),
		      _("No refresh rates were reported by your X Display Server.<br>"
			"If you are running a nested X Display Server, then<br>"
			"this is to be expected. However, if you are not, then<br>"
			"the current refresh rate will be used when setting<br>"
			"the resolution, which may cause <hilight>damage</hilight> to your screen."));
   return ECORE_CALLBACK_CANCEL;
}