src/bin/e_widget_preview.c

   1 #include "e.h"
   2
   3 typedef struct _E_Widget_Data E_Widget_Data;
   4 struct _E_Widget_Data
   5 {
   6    Evas_Object *obj, *o_frame, *img, *o_thumb, *o_extern;
   7 };
   8
   9 /* local subsystem functions */
  10 static void _e_wid_del_hook(Evas_Object *obj);
  11 static void _e_wid_preview_thumb_gen(void *data, Evas_Object *obj, void *event_info);
  12
  13 /* externally accessible functions */
  14 EAPI Evas_Object *
  15 e_widget_preview_add(Evas *evas, int minw, int minh)
  16 {
  17    Evas_Object *obj;
  18    E_Widget_Data *wd;
  19    Evas_Coord mw, mh;
  20
  21    obj = e_widget_add(evas);
  22    e_widget_del_hook_set(obj, _e_wid_del_hook);
  23
  24    wd = E_NEW(E_Widget_Data, 1);
  25    if (!wd) return NULL;
  26
  27    wd->obj = obj;
  28
  29    wd->o_frame = edje_object_add(evas);
  30    e_theme_edje_object_set(wd->o_frame, "base/theme/widgets",
  31                            "e/widgets/preview");
  32    evas_object_show(wd->o_frame);
  33    e_widget_sub_object_add(obj, wd->o_frame);
  34    e_widget_resize_object_set(obj, wd->o_frame);
  35
  36    wd->img = e_livethumb_add(evas);
  37    e_livethumb_vsize_set(wd->img, minw * 2, minh * 2);
  38    edje_extern_object_min_size_set(wd->img, minw, minh);
  39    /* Why do we set max size? This prevents from being nicely resized. */
  40    /* edje_extern_object_max_size_set(o, minw, minh); */
  41 //   evas_object_show(wd->img);
  42    edje_object_part_swallow(wd->o_frame, "e.swallow.content", wd->img);
  43    e_widget_sub_object_add(obj, wd->img);
  44
  45    e_widget_data_set(obj, wd);
  46    e_widget_can_focus_set(obj, 0);
  47    edje_object_size_min_calc(wd->o_frame, &mw, &mh);
  48    e_widget_size_min_set(obj, mw, mh);
  49
  50    return obj;
  51 }
  52
  53 EAPI Evas *
  54 e_widget_preview_evas_get(Evas_Object *obj)
  55 {
  56    E_Widget_Data *wd;
  57
  58    wd = e_widget_data_get(obj);
  59    return e_livethumb_evas_get(wd->img);
  60 }
  61
  62 EAPI void
  63 e_widget_preview_extern_object_set(Evas_Object *obj, Evas_Object *eobj)
  64 {
  65    E_Widget_Data *wd;
  66
  67    wd = e_widget_data_get(obj);
  68    wd->o_extern = eobj;
  69    e_livethumb_thumb_set(wd->img, wd->o_extern);
  70
  71    e_widget_change(obj);
  72 }
  73
  74 EAPI int
  75 e_widget_preview_file_set(Evas_Object *obj, const char *file, const char *key)
  76 {
  77    E_Widget_Data *wd;
  78
  79    wd = e_widget_data_get(obj);
  80    if (wd->o_thumb) evas_object_del(wd->o_thumb);
  81
  82    wd->o_thumb = e_icon_add(e_livethumb_evas_get(wd->img));
  83    e_icon_fill_inside_set(wd->o_thumb, 0);
  84    e_icon_file_key_set(wd->o_thumb, file, key);
  85    evas_object_show(wd->o_thumb);
  86    e_livethumb_thumb_set(wd->img, wd->o_thumb);
  87
  88    e_widget_change(obj);
  89
  90    return 1;
  91 }
  92
  93 EAPI int
  94 e_widget_preview_thumb_set(Evas_Object *obj, const char *file, const char *key, int w, int h)
  95 {
  96    E_Widget_Data *wd;
  97
  98    wd = e_widget_data_get(obj);
  99    if (wd->img)
 100      {
 101         e_widget_sub_object_del(obj, wd->img);
 102         evas_object_del(wd->img);
 103      }
 104
 105    wd->img = e_thumb_icon_add(evas_object_evas_get(obj));
 106    e_widget_sub_object_add(obj, wd->img);
 107    if (eina_str_has_extension(file, "edj"))
 108      {
 109         if (key)
 110           e_thumb_icon_file_set(wd->img, file, key);
 111         else
 112         /* FIXME: There is probably a quicker way of doing this. */
 113         if (edje_file_group_exists(file, "icon"))
 114           e_thumb_icon_file_set(wd->img, file, "icon");
 115         else if (edje_file_group_exists(file, "e/desktop/background"))
 116           e_thumb_icon_file_set(wd->img, file, "e/desktop/background");
 117         else if (edje_file_group_exists(file, "e/init/splash"))
 118           e_thumb_icon_file_set(wd->img, file, "e/init/splash");
 119      }
 120    else
 121      e_thumb_icon_file_set(wd->img, file, NULL);
 122    evas_object_smart_callback_add(wd->img, "e_thumb_gen", _e_wid_preview_thumb_gen, wd);
 123    e_thumb_icon_size_set(wd->img, w, h);
 124    e_thumb_icon_begin(wd->img);
 125
 126    edje_object_part_swallow(wd->o_frame, "e.swallow.content", wd->img);
 127    evas_object_show(wd->img);
 128
 129    e_widget_change(obj);
 130
 131    return 1;
 132 }
 133
 134 EAPI void
 135 e_widget_preview_vsize_set(Evas_Object *obj, Evas_Coord w, Evas_Coord h)
 136 {
 137    E_Widget_Data *wd;
 138
 139    wd = e_widget_data_get(obj);
 140    e_livethumb_vsize_set(wd->img, w, h);
 141 }
 142
 143 static void
 144 _e_wid_preview_thumb_gen(void *data, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
 145 {
 146    Evas_Coord w, h;
 147    E_Widget_Data *wd;
 148
 149    wd = data;
 150    e_icon_size_get(wd->img, &w, &h);
 151    edje_extern_object_min_size_set(wd->img, w, h);
 152    /* Why do we set max size? This prevents from being nicely resized. */
 153    /* edje_extern_object_max_size_set(wd->img, w, h); */
 154    edje_object_part_swallow(wd->o_frame, "e.swallow.content", wd->img);
 155    edje_object_size_min_calc(wd->o_frame, &w, &h);
 156    e_widget_size_min_set(wd->obj, w, h);
 157    evas_object_resize(wd->obj, w, h);
 158    evas_object_smart_callback_call(wd->obj, "preview_update", NULL);
 159 }
 160
 161 EAPI void
 162 e_widget_preview_file_get(Evas_Object *obj, const char **file, const char **group)
 163 {
 164    E_Widget_Data *wd;
 165
 166    wd = e_widget_data_get(obj);
 167    edje_object_file_get(wd->o_thumb, file, group);
 168 }
 169
 170 EAPI int
 171 e_widget_preview_edje_set(Evas_Object *obj, const char *file, const char *group)
 172 {
 173    E_Widget_Data *wd;
 174    int ret;
 175
 176    wd = e_widget_data_get(obj);
 177    if (wd->o_thumb) evas_object_del(wd->o_thumb);
 178    wd->o_thumb = edje_object_add(e_livethumb_evas_get(wd->img));
 179    ret = edje_object_file_set(wd->o_thumb, file, group);
 180    evas_object_show(wd->o_thumb);
 181    e_livethumb_thumb_set(wd->img, wd->o_thumb);
 182
 183    e_widget_change(obj);
 184
 185    return ret;
 186 }
 187
 188 static void
 189 _e_wid_del_hook(Evas_Object *obj)
 190 {
 191    E_Widget_Data *wd;
 192
 193    wd = e_widget_data_get(obj);
 194    E_FREE(wd);
 195 }
 196