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
  72 EAPI int
  73 e_widget_preview_file_set(Evas_Object *obj, const char *file, const char *key)
  74 {
  75    E_Widget_Data *wd;
  76
  77    wd = e_widget_data_get(obj);
  78    if (wd->o_thumb) evas_object_del(wd->o_thumb);
  79
  80    wd->o_thumb = e_icon_add(e_livethumb_evas_get(wd->img));
  81    e_icon_fill_inside_set(wd->o_thumb, 0);
  82    e_icon_file_key_set(wd->o_thumb, file, key);
  83    evas_object_show(wd->o_thumb);
  84    e_livethumb_thumb_set(wd->img, wd->o_thumb);
  85
  86    return 1;
  87 }
  88
  89 EAPI int
  90 e_widget_preview_thumb_set(Evas_Object *obj, const char *file, const char *key __UNUSED__, int w, int h)
  91 {
  92    E_Widget_Data *wd;
  93
  94    wd = e_widget_data_get(obj);
  95    if (wd->img)
  96      {
  97         e_widget_sub_object_del(obj, wd->img);
  98         evas_object_del(wd->img);
  99      }
 100
 101    wd->img = e_thumb_icon_add(evas_object_evas_get(obj));
 102    e_widget_sub_object_add(obj, wd->img);
 103    if (e_util_glob_case_match(file, "*.edj"))
 104      {
 105         /* FIXME: There is probably a quicker way of doing this. */
 106         if (edje_file_group_exists(file, "icon"))
 107           e_thumb_icon_file_set(wd->img, file, "icon");
 108         else if (edje_file_group_exists(file, "e/desktop/background"))
 109           e_thumb_icon_file_set(wd->img, file, "e/desktop/background");
 110         else if (edje_file_group_exists(file, "e/init/splash"))
 111           e_thumb_icon_file_set(wd->img, file, "e/init/splash");
 112      }
 113    else
 114      e_thumb_icon_file_set(wd->img, file, NULL);
 115    evas_object_smart_callback_add(wd->img, "e_thumb_gen", _e_wid_preview_thumb_gen, wd);
 116    e_thumb_icon_size_set(wd->img, w, h);
 117    e_thumb_icon_begin(wd->img);
 118
 119    edje_object_part_swallow(wd->o_frame, "e.swallow.content", wd->img);
 120    evas_object_show(wd->img);
 121
 122    return 1;
 123 }
 124
 125 EAPI void
 126 e_widget_preview_vsize_set(Evas_Object *obj, Evas_Coord w, Evas_Coord h)
 127 {
 128    E_Widget_Data *wd;
 129
 130    wd = e_widget_data_get(obj);
 131    e_livethumb_vsize_set(wd->img, w, h);
 132 }
 133
 134 static void
 135 _e_wid_preview_thumb_gen(void *data, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
 136 {
 137    Evas_Coord w, h;
 138    E_Widget_Data *wd;
 139
 140    wd = data;
 141    e_icon_size_get(wd->img, &w, &h);
 142    edje_extern_object_min_size_set(wd->img, w, h);
 143    /* Why do we set max size? This prevents from being nicely resized. */
 144    /* edje_extern_object_max_size_set(wd->img, w, h); */
 145    edje_object_part_swallow(wd->o_frame, "e.swallow.content", wd->img);
 146    edje_object_size_min_calc(wd->o_frame, &w, &h);
 147    e_widget_size_min_set(wd->obj, w, h);
 148    evas_object_resize(wd->obj, w, h);
 149    evas_object_smart_callback_call(wd->obj, "preview_update", NULL);
 150 }
 151
 152 EAPI int
 153 e_widget_preview_edje_set(Evas_Object *obj, const char *file, const char *group)
 154 {
 155    E_Widget_Data *wd;
 156    int ret;
 157
 158    wd = e_widget_data_get(obj);
 159    if (wd->o_thumb) evas_object_del(wd->o_thumb);
 160    wd->o_thumb = edje_object_add(e_livethumb_evas_get(wd->img));
 161    ret = edje_object_file_set(wd->o_thumb, file, group);
 162    evas_object_show(wd->o_thumb);
 163    e_livethumb_thumb_set(wd->img, wd->o_thumb);
 164    return ret;
 165 }
 166
 167 static void
 168 _e_wid_del_hook(Evas_Object *obj)
 169 {
 170    E_Widget_Data *wd;
 171
 172    wd = e_widget_data_get(obj);
 173    E_FREE(wd);
 174 }