src/lib/elm_bubble.c

   1 #include <Elementary.h>
   2 #include "elm_priv.h"
   3
   4 typedef struct _Widget_Data Widget_Data;
   5
   6 struct _Widget_Data
   7 {
   8    Evas_Object *bbl;
   9    Evas_Object *content, *icon;
  10    const char *label, *info, *corner;
  11 };
  12
  13 static const char *widtype = NULL;
  14 static void _del_hook(Evas_Object *obj);
  15 static void _mirrored_set(Evas_Object *obj, Eina_Bool rtl);
  16 static void _theme_hook(Evas_Object *obj);
  17 static void _sizing_eval(Evas_Object *obj);
  18 static void _changed_size_hints(void *data, Evas *e, Evas_Object *obj, void *event_info);
  19 static void _sub_del(void *data, Evas_Object *obj, void *event_info);
  20
  21 static const char SIG_CLICKED[] = "clicked";
  22
  23 static const Evas_Smart_Cb_Description _signals[] =
  24 {
  25      {SIG_CLICKED, ""},
  26      {NULL, NULL}
  27 };
  28
  29 static void
  30 _del_hook(Evas_Object *obj)
  31 {
  32    Widget_Data *wd = elm_widget_data_get(obj);
  33    if (!wd) return;
  34    if (wd->label) eina_stringshare_del(wd->label);
  35    if (wd->info) eina_stringshare_del(wd->info);
  36    if (wd->corner) eina_stringshare_del(wd->corner);
  37    free(wd);
  38 }
  39
  40 static void
  41 _mirrored_set(Evas_Object *obj, Eina_Bool rtl)
  42 {
  43    Widget_Data *wd = elm_widget_data_get(obj);
  44    if (!wd) return;
  45    edje_object_mirrored_set(wd->bbl, rtl);
  46 }
  47
  48 static void
  49 _theme_hook(Evas_Object *obj)
  50 {
  51    Widget_Data *wd = elm_widget_data_get(obj);
  52    if (!wd) return;
  53    _elm_widget_mirrored_reload(obj);
  54    _mirrored_set(obj, elm_widget_mirrored_get(obj));
  55    _elm_theme_object_set(obj, wd->bbl, "bubble", wd->corner,
  56                          elm_widget_style_get(obj));
  57    edje_object_part_text_set(wd->bbl, "elm.text", wd->label);
  58    if (wd->label) edje_object_signal_emit(wd->bbl, "elm,state,text,visible", "elm");
  59    else edje_object_signal_emit(wd->bbl, "elm,state,text,hidden", "elm");
  60    edje_object_part_text_set(wd->bbl, "elm.info", wd->info);
  61    if (wd->info) edje_object_signal_emit(wd->bbl, "elm,state,info,visible", "elm");
  62    else edje_object_signal_emit(wd->bbl, "elm,state,info,hidden", "elm");
  63    if (wd->content)
  64      {
  65         edje_object_part_swallow(wd->bbl, "elm.swallow.content", wd->content);
  66         edje_object_message_signal_process(wd->bbl);
  67      }
  68    if (wd->icon)
  69      edje_object_signal_emit(wd->bbl, "elm,state,icon,visible", "elm");
  70    else
  71      edje_object_signal_emit(wd->bbl, "elm,state,icon,hidden", "elm");
  72    edje_object_scale_set(wd->bbl,
  73                          elm_widget_scale_get(obj) * _elm_config->scale);
  74    _sizing_eval(obj);
  75 }
  76
  77 static Eina_Bool
  78 _elm_bubble_focus_next_hook(const Evas_Object *obj, Elm_Focus_Direction dir, Evas_Object **next)
  79 {
  80    Widget_Data *wd = elm_widget_data_get(obj);
  81    Evas_Object *cur;
  82
  83    if ((!wd) || (!wd->content))
  84      return EINA_FALSE;
  85
  86    cur = wd->content;
  87
  88    /* Try Focus cycle in subitem */
  89    return elm_widget_focus_next_get(cur, dir, next);
  90 }
  91
  92 static void
  93 _sizing_eval(Evas_Object *obj)
  94 {
  95    Widget_Data *wd = elm_widget_data_get(obj);
  96    Evas_Coord minw = -1, minh = -1, maxw = -1, maxh = -1;
  97    if (!wd) return;
  98    elm_coords_finger_size_adjust(1, &minw, 1, &minh);
  99    edje_object_size_min_restricted_calc(wd->bbl, &minw, &minh, minw, minh);
 100    evas_object_size_hint_min_set(obj, minw, minh);
 101    evas_object_size_hint_max_set(obj, maxw, maxh);
 102 }
 103
 104 static void
 105 _changed_size_hints(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
 106 {
 107    Widget_Data *wd = elm_widget_data_get(data);
 108    if (!wd) return;
 109    _sizing_eval(data);
 110 }
 111
 112 static void
 113 _sub_del(void *data __UNUSED__, Evas_Object *obj, void *event_info)
 114 {
 115    Widget_Data *wd = elm_widget_data_get(obj);
 116    Evas_Object *sub = event_info;
 117    if (!wd) return;
 118    evas_object_event_callback_del_full(sub, EVAS_CALLBACK_CHANGED_SIZE_HINTS,
 119                                        _changed_size_hints, obj);
 120    if (sub == wd->content) wd->content = NULL;
 121    else if (sub == wd->icon)
 122      {
 123         edje_object_signal_emit(wd->bbl, "elm,state,icon,hidden", "elm");
 124         wd->icon = NULL;
 125         edje_object_message_signal_process(wd->bbl);
 126      }
 127    _sizing_eval(obj);
 128 }
 129
 130 static void
 131 _mouse_up(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info)
 132 {
 133    Evas_Event_Mouse_Up *ev = event_info;
 134    if (ev->event_flags & EVAS_EVENT_FLAG_ON_HOLD)
 135      return;
 136    evas_object_smart_callback_call(data, SIG_CLICKED, NULL);
 137 }
 138
 139 EAPI Evas_Object *
 140 elm_bubble_add(Evas_Object *parent)
 141 {
 142    Evas_Object *obj;
 143    Evas *e;
 144    Widget_Data *wd;
 145
 146    ELM_WIDGET_STANDARD_SETUP(wd, Widget_Data, parent, e, obj, NULL);
 147
 148    ELM_SET_WIDTYPE(widtype, "bubble");
 149    elm_widget_type_set(obj, "bubble");
 150    elm_widget_sub_object_add(parent, obj);
 151    elm_widget_data_set(obj, wd);
 152    elm_widget_del_hook_set(obj, _del_hook);
 153    elm_widget_theme_hook_set(obj, _theme_hook);
 154    elm_widget_focus_next_hook_set(obj, _elm_bubble_focus_next_hook);
 155    elm_widget_can_focus_set(obj, EINA_FALSE);
 156
 157    wd->corner = eina_stringshare_add("base");
 158
 159    wd->bbl = edje_object_add(e);
 160    elm_widget_resize_object_set(obj, wd->bbl);
 161
 162    evas_object_smart_callback_add(obj, "sub-object-del", _sub_del, obj);
 163    evas_object_event_callback_add(wd->bbl, EVAS_CALLBACK_MOUSE_UP,
 164                                   _mouse_up, obj);
 165
 166    evas_object_smart_callbacks_descriptions_set(obj, _signals);
 167    _mirrored_set(obj, elm_widget_mirrored_get(obj));
 168    _elm_theme_object_set(obj, wd->bbl, "bubble", wd->corner,
 169                          elm_widget_style_get(obj));
 170    _sizing_eval(obj);
 171    return obj;
 172 }
 173
 174 EAPI void
 175 elm_bubble_label_set(Evas_Object *obj, const char *label)
 176 {
 177    ELM_CHECK_WIDTYPE(obj, widtype);
 178    Widget_Data *wd = elm_widget_data_get(obj);
 179    if (!wd) return;
 180    eina_stringshare_replace(&wd->label, label);
 181    edje_object_part_text_set(wd->bbl, "elm.text", label);
 182    if (label) edje_object_signal_emit(wd->bbl, "elm,state,text,visible", "elm");
 183    else edje_object_signal_emit(wd->bbl, "elm,state,text,hidden", "elm");
 184    _sizing_eval(obj);
 185 }
 186
 187 EAPI const char*
 188 elm_bubble_label_get(const Evas_Object *obj)
 189 {
 190    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 191    Widget_Data *wd = elm_widget_data_get(obj);
 192    if (!wd) return NULL;
 193    return wd->label;
 194 }
 195
 196 EAPI void
 197 elm_bubble_info_set(Evas_Object *obj, const char *info)
 198 {
 199    ELM_CHECK_WIDTYPE(obj, widtype);
 200    Widget_Data *wd = elm_widget_data_get(obj);
 201    if (!wd) return;
 202    eina_stringshare_replace(&wd->info, info);
 203    edje_object_part_text_set(wd->bbl, "elm.info", info);
 204    if (info) edje_object_signal_emit(wd->bbl, "elm,state,info,visible", "elm");
 205    else edje_object_signal_emit(wd->bbl, "elm,state,info,hidden", "elm");
 206    _sizing_eval(obj);
 207 }
 208
 209 EAPI const char *
 210 elm_bubble_info_get(const Evas_Object *obj)
 211 {
 212    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 213    Widget_Data *wd = elm_widget_data_get(obj);
 214    if (!wd) return NULL;
 215    return wd->info;
 216 }
 217
 218 EAPI void
 219 elm_bubble_content_set(Evas_Object *obj, Evas_Object *content)
 220 {
 221    ELM_CHECK_WIDTYPE(obj, widtype);
 222    Widget_Data *wd = elm_widget_data_get(obj);
 223    if (!wd) return;
 224    if (wd->content == content) return;
 225    if (wd->content) evas_object_del(wd->content);
 226    wd->content = content;
 227    if (content)
 228      {
 229         elm_widget_sub_object_add(obj, content);
 230         evas_object_event_callback_add(content, EVAS_CALLBACK_CHANGED_SIZE_HINTS,
 231                                        _changed_size_hints, obj);
 232         edje_object_part_swallow(wd->bbl, "elm.swallow.content", content);
 233      }
 234    _sizing_eval(obj);
 235 }
 236
 237 EAPI Evas_Object *
 238 elm_bubble_content_get(const Evas_Object *obj)
 239 {
 240    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 241    Widget_Data *wd = elm_widget_data_get(obj);
 242    if (!wd) return NULL;
 243    return wd->content;
 244 }
 245
 246 EAPI Evas_Object *
 247 elm_bubble_content_unset(Evas_Object *obj)
 248 {
 249    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 250    Widget_Data *wd = elm_widget_data_get(obj);
 251    Evas_Object *content;
 252    if (!wd) return NULL;
 253    if (!wd->content) return NULL;
 254    content = wd->content;
 255    elm_widget_sub_object_del(obj, content);
 256    edje_object_part_unswallow(wd->bbl, content);
 257    wd->content = NULL;
 258    return content;
 259 }
 260
 261 EAPI void
 262 elm_bubble_icon_set(Evas_Object *obj, Evas_Object *icon)
 263 {
 264    ELM_CHECK_WIDTYPE(obj, widtype);
 265    Widget_Data *wd = elm_widget_data_get(obj);
 266    if (!wd) return;
 267    if (wd->icon == icon) return;
 268    if (wd->icon) evas_object_del(wd->icon);
 269    wd->icon = icon;
 270    if (icon)
 271      {
 272         elm_widget_sub_object_add(obj, icon);
 273         edje_object_part_swallow(wd->bbl, "elm.swallow.icon", icon);
 274         evas_object_event_callback_add(icon, EVAS_CALLBACK_CHANGED_SIZE_HINTS,
 275                                        _changed_size_hints, obj);
 276         edje_object_signal_emit(wd->bbl, "elm,state,icon,visible", "elm");
 277         edje_object_message_signal_process(wd->bbl);
 278      }
 279    _sizing_eval(obj);
 280 }
 281
 282 EAPI Evas_Object *
 283 elm_bubble_icon_get(const Evas_Object *obj)
 284 {
 285    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 286    Widget_Data *wd = elm_widget_data_get(obj);
 287    if (!wd) return NULL;
 288    return wd->icon;
 289 }
 290
 291 EAPI Evas_Object *
 292 elm_bubble_icon_unset(Evas_Object *obj)
 293 {
 294    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 295    Widget_Data *wd = elm_widget_data_get(obj);
 296    Evas_Object *icon;
 297    if (!wd) return NULL;
 298    if (!wd->icon) return NULL;
 299    icon = wd->icon;
 300    elm_widget_sub_object_del(obj, icon);
 301    edje_object_part_unswallow(wd->bbl, icon);
 302    wd->icon = NULL;
 303    return icon;
 304 }
 305
 306 EAPI void
 307 elm_bubble_corner_set(Evas_Object *obj, const char *corner)
 308 {
 309    ELM_CHECK_WIDTYPE(obj, widtype);
 310    Widget_Data *wd = elm_widget_data_get(obj);
 311    if (!wd) return;
 312    EINA_SAFETY_ON_NULL_RETURN(corner);
 313    eina_stringshare_replace(&wd->corner, corner);
 314    _theme_hook(obj);
 315 }
 316
 317 EAPI const char*
 318 elm_bubble_corner_get(const Evas_Object *obj)
 319 {
 320    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 321    Widget_Data *wd = elm_widget_data_get(obj);
 322    if (!wd) return NULL;
 323    return wd->corner;
 324 }