Dynamically add and remove desks in the preview when you change the # of virtual desks.

A few small fixmes still to go


SVN revision: 26662

src/bin/e_bg.c

@@ -10,55 +10,55 @@ static void _e_bg_signal(void *data, Evas_Object *obj, const char *emission, con
 
 /* externally accessible functions */
 EAPI const char *
-e_bg_file_get(E_Zone *zone, E_Desk *desk)
+e_bg_file_get(int container_num, int zone_num, int desk_x, int desk_y)
 {
    Evas_List *l, *ll, *entries;
    int ok;
    int current_spec;
    const char *bgfile = "";
 
-
-   if (!zone) zone = e_zone_current_get(e_container_current_get(e_manager_current_get()));
-
    ok = 0;
    current_spec = 0; /* how specific the setting is - we want the least general one that applies */
 
-   /* look for desk specific background. if desk is NULL this is skipped */
-   for (l = e_config->desktop_backgrounds; desk && l; l = l->next)
+   /* look for desk specific background. */
+   if (container_num >= 0 || zone_num >= 0 || desk_x >= 0 || desk_y >= 0)
      {
-	E_Config_Desktop_Background *cfbg;
-	int spec;
-	
-	cfbg = l->data;
-	if ((cfbg->container >= 0) && (zone->container->num != cfbg->container)) continue;
-	if ((cfbg->zone >= 0) && (zone->num != cfbg->zone)) continue;
-	if ((cfbg->desk_x >= 0) && (cfbg->desk_x != desk->x)) continue;
-	if ((cfbg->desk_y >= 0) && (cfbg->desk_y != desk->y)) continue;
+	for (l = e_config->desktop_backgrounds; l; l = l->next)
+	  {
+	     E_Config_Desktop_Background *cfbg;
+	     int spec;
 
-	spec = 0;
-	if (cfbg->container >= 0) spec++;
-	if (cfbg->zone >= 0) spec++;
-	if (cfbg->desk_x >= 0) spec++;
-	if (cfbg->desk_y >= 0) spec++;
+	     cfbg = l->data;
 
-	if (spec <= current_spec) continue;
+	     spec = 0;
+	     if (cfbg->container == container_num) spec++;
+	     else if (cfbg->container >= 0) continue;
+	     if (cfbg->zone == zone_num) spec++;
+	     else if (cfbg->zone >= 0) continue;
+	     if (cfbg->desk_x == desk_x) spec++;
+	     else if (cfbg->desk_x >= 0) continue;
+	     if (cfbg->desk_y == desk_y) spec++;
+	     else if (cfbg->desk_y >= 0) continue;
 
-	entries = edje_file_collection_list(cfbg->file);
-	if (entries)
-	  {
-	     for (ll = entries; ll; ll = ll->next)
+	     if (spec <= current_spec) continue;
+
+	     entries = edje_file_collection_list(cfbg->file);
+	     if (entries)
 	       {
-		  if (!strcmp(ll->data, "e/desktop/background"))
+		  for (ll = entries; ll; ll = ll->next)
 		    {
-		       bgfile = cfbg->file;
-		       current_spec = spec;
-		       ok = 1;
+		       if (!strcmp(ll->data, "e/desktop/background"))
+			 {
+			    bgfile = cfbg->file;
+			    current_spec = spec;
+			    ok = 1;
+			 }
 		    }
+		  edje_file_collection_list_free(entries);
 	       }
-	     edje_file_collection_list_free(entries);
 	  }
      }
-   /* fall back to default bg for zone */
+   /* fall back to default */
    if (!ok)
      {
 	entries = edje_file_collection_list(e_config->desktop_default_background);
@@ -89,13 +89,18 @@ e_bg_zone_update(E_Zone *zone, E_Bg_Transition transition)
    Evas_Object *o;
    const char *bgfile = "";
    const char *trans = "";
+   E_Desk *desk;
    
    if (transition == E_BG_TRANSITION_START) trans = e_config->transition_start;
    else if (transition == E_BG_TRANSITION_DESK) trans = e_config->transition_desk;
    else if (transition == E_BG_TRANSITION_CHANGE) trans = e_config->transition_change;
    if ((!trans) || (strlen(trans) < 1)) transition = E_BG_TRANSITION_NONE;
 
-   bgfile = e_bg_file_get(zone, e_desk_current_get(zone));
+   desk = e_desk_current_get(zone);
+   if (desk)
+     bgfile = e_bg_file_get(zone->container->num, zone->num, desk->x, desk->y);
+   else
+     bgfile = e_bg_file_get(zone->container->num, zone->num, -1, -1);
 
    if (zone->bg_object)
      {

src/bin/e_bg.h

@@ -14,7 +14,7 @@ typedef enum {
 #ifndef E_BG_H
 #define E_BG_H
 
-EAPI const char *e_bg_file_get(E_Zone *zone, E_Desk *desk);
+EAPI const char *e_bg_file_get(int container_num, int zone_num,  int desk_x, int desk_y);
 EAPI void e_bg_zone_update(E_Zone *zone, E_Bg_Transition transition);
 EAPI void e_bg_add(int container, int zone, int desk_x, int desk_y, char *file);
 EAPI void e_bg_del(int container, int zone, int desk_x, int desk_y);

src/bin/e_widget.c

@@ -140,7 +140,7 @@ e_widget_sub_object_add(Evas_Object *obj, Evas_Object *sobj)
 	printf("----------EEEEEK! dupe sub obj is a sub obj!\n");
 	abort();
      }
- */
+  */
    sd->subobjs = evas_list_append(sd->subobjs, sobj);
    if (!sd->child_can_focus)
      {

src/bin/e_widget_desk_preview.c

@@ -2,6 +2,10 @@
  * vim:ts=8:sw=3:sts=8:noexpandtab:cino=>5n-3f0^-2{2
  */
 
+/* 
+ * XXX need to detect when bg's change and update
+ * XXX thumb doesn't properly change size 
+ */
 #include "e.h"
 
 typedef struct _E_Widget_Data E_Widget_Data;
@@ -13,35 +17,18 @@ struct _E_Widget_Data
    Evas_List *desks;
 
    int w, h;
+   int cur_x, cur_y; /* currently drawn */
    int desk_count_x, desk_count_y;
 };
 
-
-static void
-_e_wid_desks_free(E_Widget_Data *wd)
+typedef struct _E_Widget_Desk_Data E_Widget_Desk_Data;
+struct _E_Widget_Desk_Data
 {
-   Evas_List *l;
-   for (l = wd->desks; l; l = l->next)
-     {
-	Evas_Object *desk = l->data;
-	e_widget_sub_object_del(wd->obj, desk);
-	evas_object_del(desk);
-     }
-   evas_list_free(wd->desks);
-   wd->desks = NULL;
-   if (wd->table) 
-     {
-	e_widget_sub_object_del(wd->obj, wd->table);
-	evas_object_del(wd->table);
-     }
-   wd->table = NULL;
-   if (wd->aspect) 
-     {
-	e_widget_sub_object_del(wd->obj, wd->aspect);
-	evas_object_del(wd->aspect);
-     }
-   wd->aspect = NULL;
-}
+   Evas_Object *thumb;
+   int x, y;
+};
+
+static void _e_wid_reconfigure(E_Widget_Data *wd);
 
 static void
 _e_wid_del_hook(Evas_Object *obj)
@@ -51,46 +38,94 @@ _e_wid_del_hook(Evas_Object *obj)
    wd = e_widget_data_get(obj);
    if (!wd) return;
 
-   _e_wid_desks_free(wd);
+   evas_list_free(wd->desks);
    free(wd);
 }
 
-/* 
- * XXX break this into num_desks_set and _reconfigure calls 
- * XXX don't completely redraw on change just add/del rows/columns and update min sizes
- */
+static void
+_e_wid_desk_del_hook(Evas_Object *obj)
+{
+   E_Widget_Desk_Data *dd;
+
+   dd = e_widget_data_get(obj);
+   if (!dd) return;
+
+   free(dd);
+}
+
 void
 e_widget_desk_preview_num_desks_set(Evas_Object *obj, int nx, int ny)
 {
    E_Widget_Data *wd;
-   Evas_Object *o;
-   int x, y;
-   int aw, ah; /* available */
-   int mw, mh; /* min size for each desk */
-   int tw, th; /* size to thumb at */
-   E_Zone *zone;
 
    wd = e_widget_data_get(obj);
    if (!wd) return;
 
    wd->desk_count_x = nx;
    wd->desk_count_y = ny;
+   _e_wid_reconfigure(wd);
+}
+
+Evas_Object *
+e_widget_deskpreview_desk_add(Evas *evas, E_Zone *zone, int x, int y, int tw, int th)
+{
+   Evas_Object *overlay;
+   Evas_Object *obj, *o;
+   const char *bgfile;
+   E_Widget_Desk_Data *dd = NULL;
 
-   _e_wid_desks_free(wd);
 
-   zone = e_zone_current_get(e_container_current_get(e_manager_current_get()));
+   bgfile = e_bg_file_get(zone->container->num, zone->num, x, y);
+
+   /* wrap desks in a widget (to set min size) */
+   obj = e_widget_add(evas);
+
+   dd = calloc(1, sizeof(E_Widget_Desk_Data));
+   e_widget_data_set(obj, dd);
+   dd->x = x;
+   dd->y = y;
 
-   o = e_widget_aspect_add(evas_object_evas_get(obj), zone->w * nx, zone->h * ny);
+   e_widget_del_hook_set(obj, _e_wid_desk_del_hook);
+
+   o = edje_object_add(evas);
+   e_theme_edje_object_set(o, "base/theme/widgets", "e/widgets/deskpreview/desk");
    e_widget_resize_object_set(obj, o);
-   e_widget_sub_object_add(obj, o);
    evas_object_show(o);
-   wd->aspect = o;
-
-   o = e_widget_table_add(evas_object_evas_get(obj), 1);
    e_widget_sub_object_add(obj, o);
+   overlay = o;
+
+   o = e_thumb_icon_add(evas);
+   e_icon_fill_inside_set(o, 0);
+   e_thumb_icon_file_set(o, bgfile, "e/desktop/background");
+   e_thumb_icon_size_set(o, tw, th);
+   edje_object_part_swallow(overlay, "e.swallow.content", o);
+   e_thumb_icon_begin(o);
    evas_object_show(o);
-   e_widget_aspect_child_set(wd->aspect, o); 
-   wd->table = o;
+   e_widget_sub_object_add(obj, o);
+   dd->thumb = o;
+
+   return obj;
+}
+
+
+static void
+_e_wid_reconfigure(E_Widget_Data *wd)
+{
+   Evas_List *l, *delete = NULL;
+   Evas_Object *o;
+   int x, y;
+   int aw, ah; /* available */
+   int mw, mh; /* min size for each desk */
+   int tw, th; /* size to thumb at */
+   int nx, ny;
+   E_Zone *zone;
+
+   if (wd->desk_count_x == wd->cur_x && wd->desk_count_y == wd->cur_y) return;
+
+   nx = wd->desk_count_x;
+   ny = wd->desk_count_y;
+
+   zone = e_zone_current_get(e_container_current_get(e_manager_current_get()));
 
    evas_object_geometry_get(wd->table, NULL, NULL, &aw, &ah);
 
@@ -120,45 +155,50 @@ e_widget_desk_preview_num_desks_set(Evas_Object *obj, int nx, int ny)
      tw = 300;
    th = (tw * zone->h) / zone->w;
 
+   for (l = wd->desks; l; l = l->next)
+     {
+	Evas_Object *dw = l->data;
+	E_Widget_Desk_Data *dd = e_widget_data_get(dw);
+	if (dd->x < nx && dd->y < ny)
+	  {
+	     e_widget_min_size_set(dw, mw, mh);
+	     e_widget_table_object_repack(wd->table, dw, dd->x, dd->y, 1, 1, 1, 1, 1, 1);
+	     e_thumb_icon_size_set(dd->thumb, tw, th);
+	     e_thumb_icon_begin(dd->thumb); /* XXX this isn't working - never ggetting new thumb */
+	  }
+	else
+	  {
+	     delete = evas_list_append(delete, dw);
+	  }
+     }
+   while (delete)
+     {
+	Evas_Object *dw = delete->data;
+	e_widget_table_unpack(wd->table, dw);
+	evas_object_del(dw);
+	wd->desks = evas_list_remove(wd->desks, dw);
+	delete = evas_list_remove_list(delete, delete);
+     }
+
    for (y = 0; y < ny; y++)
      {
-	for (x = 0; x < nx; x++)
+	int sx;
+	if (y >= wd->cur_y) sx = 0;
+	else sx = wd->cur_x;
+	for (x = sx; x < nx; x++)
 	  {
-	     Evas_Object *overlay;
 	     Evas_Object *dw;
-	     const char *bgfile;
-	     E_Desk *desk = NULL;
-
-	     if (x < zone->desk_x_count && y < zone->desk_y_count)
-	       desk = zone->desks[x + (y * zone->desk_x_count)];
-	     bgfile = e_bg_file_get(zone, desk);
 
-	     /* wrap desks in a widget (to set min size) */
-	     dw = e_widget_add(evas_object_evas_get(obj));
+	     dw = e_widget_deskpreview_desk_add(evas_object_evas_get(wd->obj), zone, x, y, tw, th);
 	     e_widget_min_size_set(dw, mw, mh);
 
-	     o = edje_object_add(evas_object_evas_get(obj));
-	     e_theme_edje_object_set(o, "base/theme/widgets", "e/widgets/deskpreview/desk");
-	     e_widget_resize_object_set(dw, o);
-	     e_widget_sub_object_add(dw, o);
-
-	     evas_object_show(o);
-	     e_widget_sub_object_add(dw, o);
-	     overlay = o;
-
-	     o = e_thumb_icon_add(evas_object_evas_get(obj));
-	     e_icon_fill_inside_set(o, 0);
-	     e_thumb_icon_file_set(o, bgfile, "e/desktop/background");
-	     e_thumb_icon_size_set(o, tw, th);
-	     edje_object_part_swallow(overlay, "e.swallow.content", o);
-	     e_thumb_icon_begin(o);
-	     evas_object_show(o);
-	     e_widget_sub_object_add(dw, o);
-
 	     e_widget_table_object_append(wd->table, dw, x, y, 1, 1, 1, 1, 1, 1);
 	     wd->desks = evas_list_append(wd->desks, dw);
 	  }
      }
+
+   wd->cur_x = wd->desk_count_x;
+   wd->cur_y = wd->desk_count_y;
 }
 
 Evas_Object *
@@ -167,6 +207,7 @@ e_widget_desk_preview_add(Evas *evas, int nx, int ny)
    Evas_Object *obj, *o;
    E_Widget_Data *wd;
    Evas_Coord iw, ih;
+   E_Zone *zone;
 
    obj = e_widget_add(evas);
    wd = calloc(1, sizeof(E_Widget_Data));
@@ -175,6 +216,19 @@ e_widget_desk_preview_add(Evas *evas, int nx, int ny)
    e_widget_data_set(obj, wd);
    e_widget_del_hook_set(obj, _e_wid_del_hook);
 
+   zone = e_zone_current_get(e_container_current_get(e_manager_current_get()));
+   o = e_widget_aspect_add(evas, zone->w * nx, zone->h * ny);
+   e_widget_resize_object_set(wd->obj, o);
+   e_widget_sub_object_add(wd->obj, o);
+   evas_object_show(o);
+   wd->aspect = o;
+
+   o = e_widget_table_add(evas, 1);
+   e_widget_sub_object_add(wd->obj, o);
+   evas_object_show(o);
+   e_widget_aspect_child_set(wd->aspect, o); 
+   wd->table = o;
+
    e_widget_desk_preview_num_desks_set(obj, nx, ny);
 
    return obj;

src/bin/e_widget_table.c

@@ -81,6 +81,13 @@ e_widget_table_object_repack(Evas_Object *obj, Evas_Object *sobj, int col, int r
    e_widget_min_size_set(obj, mw, mh);
 }
 
+EAPI void
+e_widget_table_unpack(Evas_Object *obj, Evas_Object *sobj)
+{
+   e_widget_sub_object_del(obj, sobj);
+   e_table_unpack(sobj);
+}
+
 static void
 _e_wid_del_hook(Evas_Object *obj)
 {

src/bin/e_widget_table.h

@@ -9,6 +9,7 @@
 EAPI Evas_Object *e_widget_table_add(Evas *evas, int homogenous);
 EAPI void e_widget_table_object_append(Evas_Object *obj, Evas_Object *sobj, int col, int row, int colspan, int rowspan, int fill_w, int fill_h, int expand_w, int expand_h);
 EAPI void e_widget_table_object_repack(Evas_Object *obj, Evas_Object *sobj, int col, int row, int colspan, int rowspan, int fill_w, int fill_h, int expand_w, int expand_h);
+EAPI void e_widget_table_unpack(Evas_Object *obj, Evas_Object *sobj);
     
 #endif
 #endif