elementary/win - [E-devel] [Patch][Elementary] Patch for elm_win to fix the focus...
[framework/uifw/elementary.git] / src / lib / elc_hoversel.c
1 #include <Elementary.h>
2 #include "elm_priv.h"
3
4 typedef struct _Widget_Data Widget_Data;
5 typedef struct _Elm_Hoversel_Item Elm_Hoversel_Item;
6
7 struct _Widget_Data
8 {
9    Evas_Object *btn, *hover;
10    Evas_Object *hover_parent;
11    Eina_List *items;
12    Eina_Bool horizontal : 1;
13    Eina_Bool expanded   : 1;
14 };
15
16 struct _Elm_Hoversel_Item
17 {
18    ELM_WIDGET_ITEM;
19    const char *label;
20    const char *icon_file;
21    const char *icon_group;
22    Elm_Icon_Type icon_type;
23    Evas_Smart_Cb func;
24 };
25
26 static const char *widtype = NULL;
27 static void _del_pre_hook(Evas_Object *obj);
28 static void _del_hook(Evas_Object *obj);
29 static void _activate(Evas_Object *obj);
30 static void _activate_hook(Evas_Object *obj);
31 static void _disable_hook(Evas_Object *obj);
32 static void _sizing_eval(Evas_Object *obj);
33 static void _changed_size_hints(void *data, Evas *e, Evas_Object *obj, void *event_info);
34 static void _parent_del(void *data, Evas *e, Evas_Object *obj, void *event_info);
35
36 static const char SIG_CLICKED[] = "clicked";
37 static const char SIG_SELECTED[] = "selected";
38 static const char SIG_DISMISSED[] = "dismissed";
39
40 static const Evas_Smart_Cb_Description _signals[] = {
41    {SIG_CLICKED, ""},
42    {SIG_SELECTED, ""},
43    {SIG_DISMISSED, ""},
44    {NULL, NULL}
45 };
46
47 static void
48 _del_pre_hook(Evas_Object *obj)
49 {
50    Elm_Hoversel_Item *item;
51    Widget_Data *wd = elm_widget_data_get(obj);
52    if (!wd) return;
53    evas_object_event_callback_del_full(wd->btn, EVAS_CALLBACK_CHANGED_SIZE_HINTS,
54                                        _changed_size_hints, obj);
55    elm_hoversel_hover_end(obj);
56    elm_hoversel_hover_parent_set(obj, NULL);
57    EINA_LIST_FREE(wd->items, item)
58      {
59         eina_stringshare_del(item->label);
60         eina_stringshare_del(item->icon_file);
61         eina_stringshare_del(item->icon_group);
62         elm_widget_item_free(item);
63      }
64 }
65
66 static void
67 _del_hook(Evas_Object *obj)
68 {
69    Widget_Data *wd = elm_widget_data_get(obj);
70    if (!wd) return;
71    free(wd);
72 }
73
74 static void
75 _mirrored_set(Evas_Object *obj, Eina_Bool rtl)
76 {
77    Widget_Data *wd = elm_widget_data_get(obj);
78    if (!wd) return;
79    elm_widget_mirrored_set(wd->btn, rtl);
80    elm_widget_mirrored_set(wd->hover, rtl);
81 }
82
83 static void
84 _theme_hook(Evas_Object *obj)
85 {
86    Widget_Data *wd = elm_widget_data_get(obj);
87    char buf[4096];
88    if (!wd) return;
89    _elm_widget_mirrored_reload(obj);
90
91    elm_hoversel_hover_end(obj);
92    if (wd->horizontal)
93      snprintf(buf, sizeof(buf), "hoversel_horizontal/%s", elm_widget_style_get(obj));
94    else
95      snprintf(buf, sizeof(buf), "hoversel_vertical/%s", elm_widget_style_get(obj));
96    elm_object_style_set(wd->btn, buf);
97    elm_object_disabled_set(wd->btn, elm_widget_disabled_get(obj));
98    _mirrored_set(obj, elm_widget_mirrored_get(obj));
99 }
100
101 static void
102 _disable_hook(Evas_Object *obj)
103 {
104    Widget_Data *wd = elm_widget_data_get(obj);
105    if (!wd) return;
106    elm_object_disabled_set(wd->btn, elm_widget_disabled_get(obj));
107 }
108
109 static void
110 _sizing_eval(Evas_Object *obj)
111 {
112    Widget_Data *wd = elm_widget_data_get(obj);
113    Evas_Coord minw = -1, minh = -1, maxw = -1, maxh = -1;
114    if (!wd) return;
115    evas_object_size_hint_min_get(wd->btn, &minw, &minh);
116    evas_object_size_hint_max_get(wd->btn, &maxw, &maxh);
117    evas_object_size_hint_min_set(obj, minw, minh);
118    evas_object_size_hint_max_set(obj, maxw, maxh);
119 }
120
121 static void
122 _on_focus_hook(void *data __UNUSED__, Evas_Object *obj)
123 {
124    Widget_Data *wd = elm_widget_data_get(obj);
125    if (!wd) return;
126    if (elm_widget_focus_get(obj))
127      elm_widget_focus_steal(wd->btn);
128 }
129
130 static void
131 _changed_size_hints(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
132 {
133    _sizing_eval(data);
134 }
135
136 static void
137 _hover_clicked(void *data, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
138 {
139    elm_hoversel_hover_end(data);
140 }
141
142 static void
143 _item_clicked(void *data, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
144 {
145    Elm_Hoversel_Item *item = data;
146    Evas_Object *obj2 = WIDGET(item);
147
148    elm_hoversel_hover_end(obj2);
149    if (item->func) item->func((void *)item->base.data, obj2, item);
150    evas_object_smart_callback_call(obj2, SIG_SELECTED, item);
151 }
152
153 static void
154 _activate(Evas_Object *obj)
155 {
156    Widget_Data *wd = elm_widget_data_get(obj);
157    Evas_Object *bt, *bx, *ic;
158    const Eina_List *l;
159    const Elm_Hoversel_Item *item;
160    char buf[4096];
161
162    if (!wd) return;
163    if (wd->expanded)
164      {
165         elm_hoversel_hover_end(obj);
166         return;
167      }
168    wd->expanded = EINA_TRUE;
169
170    if (elm_widget_disabled_get(obj)) return;
171    wd->hover = elm_hover_add(obj);
172    elm_widget_mirrored_automatic_set(wd->hover, EINA_FALSE);
173    if (wd->horizontal)
174      snprintf(buf, sizeof(buf), "hoversel_horizontal/%s", elm_widget_style_get(obj));
175    else
176      snprintf(buf, sizeof(buf), "hoversel_vertical/%s", elm_widget_style_get(obj));
177    elm_object_style_set(wd->hover, buf);
178    evas_object_smart_callback_add(wd->hover, "clicked", _hover_clicked, obj);
179    elm_hover_parent_set(wd->hover, wd->hover_parent);
180    elm_hover_target_set(wd->hover, wd->btn);
181
182    bx = elm_box_add(wd->hover);
183    elm_widget_mirrored_automatic_set(bx, EINA_FALSE);
184    elm_box_homogeneous_set(bx, 1);
185
186    elm_box_horizontal_set(bx, wd->horizontal);
187
188    if (wd->horizontal)
189      snprintf(buf, sizeof(buf), "hoversel_horizontal_entry/%s",
190               elm_widget_style_get(obj));
191    else
192      snprintf(buf, sizeof(buf), "hoversel_vertical_entry/%s",
193               elm_widget_style_get(obj));
194    EINA_LIST_FOREACH(wd->items, l, item)
195      {
196         bt = elm_button_add(wd->hover);
197         elm_widget_mirrored_automatic_set(bt, EINA_FALSE);
198         elm_widget_mirrored_set(bt, elm_widget_mirrored_get(obj));
199         elm_object_style_set(bt, buf);
200         elm_object_text_set(bt, item->label);
201         if (item->icon_file)
202           {
203              ic = elm_icon_add(obj);
204              elm_icon_resizable_set(ic, EINA_FALSE, EINA_TRUE);
205              if (item->icon_type == ELM_ICON_FILE)
206                elm_icon_file_set(ic, item->icon_file, item->icon_group);
207              else if (item->icon_type == ELM_ICON_STANDARD)
208                elm_icon_standard_set(ic, item->icon_file);
209              elm_object_part_content_set(bt, "icon", ic);
210              evas_object_show(ic);
211           }
212         evas_object_size_hint_weight_set(bt, EVAS_HINT_EXPAND, 0.0);
213         evas_object_size_hint_align_set(bt, EVAS_HINT_FILL, EVAS_HINT_FILL);
214         elm_box_pack_end(bx, bt);
215         evas_object_smart_callback_add(bt, "clicked", _item_clicked, item);
216         evas_object_show(bt);
217      }
218
219    if (wd->horizontal)
220      elm_object_part_content_set(wd->hover,
221                            elm_hover_best_content_location_get(wd->hover,
222                                                                ELM_HOVER_AXIS_HORIZONTAL),
223                            bx);
224    else
225      elm_object_part_content_set(wd->hover,
226                            elm_hover_best_content_location_get(wd->hover,
227                                                                ELM_HOVER_AXIS_VERTICAL),
228                            bx);
229    evas_object_show(bx);
230
231    evas_object_show(wd->hover);
232    evas_object_smart_callback_call(obj, SIG_CLICKED, NULL);
233
234    //   if (wd->horizontal) evas_object_hide(wd->btn);
235 }
236
237 static void
238 _activate_hook(Evas_Object *obj)
239 {
240    _activate(obj);
241 }
242
243 static void
244 _button_clicked(void *data, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
245 {
246    _activate(data);
247 }
248
249 static void
250 _parent_del(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
251 {
252    Widget_Data *wd = elm_widget_data_get(data);
253    if (!wd) return;
254    wd->hover_parent = NULL;
255 }
256
257 static void
258 _elm_hoversel_label_set(Evas_Object *obj, const char *item, const char *label)
259 {
260    ELM_CHECK_WIDTYPE(obj, widtype);
261    Widget_Data *wd = elm_widget_data_get(obj);
262    if (item && strcmp(item, "default")) return;
263    if (!wd) return;
264    elm_object_text_set(wd->btn, label);
265 }
266
267 static const char *
268 _elm_hoversel_label_get(const Evas_Object *obj, const char *item)
269 {
270    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
271    Widget_Data *wd = elm_widget_data_get(obj);
272    if (item && strcmp(item, "default")) return NULL;
273    if ((!wd) || (!wd->btn)) return NULL;
274    return elm_object_text_get(wd->btn);
275 }
276
277 static void
278 _content_set_hook(Evas_Object *obj, const char *part, Evas_Object *content)
279 {
280    ELM_CHECK_WIDTYPE(obj, widtype);
281    Widget_Data *wd = elm_widget_data_get(obj);
282    if (!wd) return;
283
284    elm_object_part_content_set(wd->btn, part, content);
285 }
286
287 static Evas_Object *
288 _content_get_hook(const Evas_Object *obj, const char *part)
289 {
290    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
291    Widget_Data *wd = elm_widget_data_get(obj);
292    if ((!wd) || (!wd->btn)) return NULL;
293    return elm_object_part_content_get(wd->btn, part);
294 }
295
296 static Evas_Object *
297 _content_unset_hook(Evas_Object *obj, const char *part)
298 {
299    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
300    Widget_Data *wd = elm_widget_data_get(obj);
301    if ((!wd) || (!wd->btn)) return NULL;
302    return elm_object_part_content_unset(wd->btn, part);
303 }
304
305 static const char *
306 _item_text_get_hook(const Elm_Object_Item *it, const char *part)
307 {
308    if (part && strcmp(part, "default")) return NULL;
309    return ((Elm_Hoversel_Item *)it)->label;
310 }
311
312 static Eina_Bool
313 _item_del_pre_hook(Elm_Object_Item *it)
314 {
315    Widget_Data *wd;
316    Elm_Hoversel_Item *item = (Elm_Hoversel_Item *)it;
317    wd = elm_widget_data_get(WIDGET(item));
318    if (!wd) return EINA_FALSE;
319    elm_hoversel_hover_end(WIDGET(item));
320    wd->items = eina_list_remove(wd->items, item);
321    eina_stringshare_del(item->label);
322    eina_stringshare_del(item->icon_file);
323    eina_stringshare_del(item->icon_group);
324
325    return EINA_TRUE;
326 }
327
328 EAPI Evas_Object *
329 elm_hoversel_add(Evas_Object *parent)
330 {
331    Evas_Object *obj;
332    Evas *e;
333    Widget_Data *wd;
334
335    ELM_WIDGET_STANDARD_SETUP(wd, Widget_Data, parent, e, obj, NULL);
336
337    ELM_SET_WIDTYPE(widtype, "hoversel");
338    elm_widget_type_set(obj, "hoversel");
339    elm_widget_sub_object_add(parent, obj);
340    elm_widget_data_set(obj, wd);
341    elm_widget_del_pre_hook_set(obj, _del_pre_hook);
342    elm_widget_del_hook_set(obj, _del_hook);
343    elm_widget_theme_hook_set(obj, _theme_hook);
344    elm_widget_disable_hook_set(obj, _disable_hook);
345    elm_widget_activate_hook_set(obj, _activate_hook);
346    elm_widget_on_focus_hook_set(obj, _on_focus_hook, NULL);
347    elm_widget_can_focus_set(obj, EINA_TRUE);
348    elm_widget_text_set_hook_set(obj, _elm_hoversel_label_set);
349    elm_widget_text_get_hook_set(obj, _elm_hoversel_label_get);
350    elm_widget_content_set_hook_set(obj, _content_set_hook);
351    elm_widget_content_get_hook_set(obj, _content_get_hook);
352    elm_widget_content_unset_hook_set(obj, _content_unset_hook);
353
354    wd->btn = elm_button_add(parent);
355    elm_widget_mirrored_automatic_set(wd->btn, EINA_FALSE);
356    wd->expanded = EINA_FALSE;
357    elm_widget_resize_object_set(obj, wd->btn);
358    evas_object_event_callback_add(wd->btn, EVAS_CALLBACK_CHANGED_SIZE_HINTS,
359                                   _changed_size_hints, obj);
360    evas_object_smart_callback_add(wd->btn, "clicked", _button_clicked, obj);
361    evas_object_smart_callbacks_descriptions_set(obj, _signals);
362
363    elm_widget_sub_object_add(obj, wd->btn);
364
365    elm_hoversel_hover_parent_set(obj, parent);
366    _theme_hook(obj);
367
368    return obj;
369 }
370
371 EAPI void
372 elm_hoversel_hover_parent_set(Evas_Object *obj, Evas_Object *parent)
373 {
374    ELM_CHECK_WIDTYPE(obj, widtype);
375    Widget_Data *wd = elm_widget_data_get(obj);
376    if (!wd) return;
377    if (wd->hover_parent)
378      evas_object_event_callback_del_full(wd->hover_parent, EVAS_CALLBACK_DEL,
379                                          _parent_del, obj);
380    wd->hover_parent = parent;
381    if (wd->hover_parent)
382      evas_object_event_callback_add(wd->hover_parent, EVAS_CALLBACK_DEL,
383                                     _parent_del, obj);
384 }
385
386 EAPI Evas_Object *
387 elm_hoversel_hover_parent_get(const Evas_Object *obj)
388 {
389    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
390    Widget_Data *wd = elm_widget_data_get(obj);
391    if (!wd) return NULL;
392    return wd->hover_parent;
393 }
394
395 EAPI void
396 elm_hoversel_horizontal_set(Evas_Object *obj, Eina_Bool horizontal)
397 {
398    ELM_CHECK_WIDTYPE(obj, widtype);
399    Widget_Data *wd = elm_widget_data_get(obj);
400    if (!wd) return;
401    wd->horizontal = !!horizontal;
402 }
403
404 EAPI Eina_Bool
405 elm_hoversel_horizontal_get(const Evas_Object *obj)
406 {
407    ELM_CHECK_WIDTYPE(obj, widtype) EINA_FALSE;
408    Widget_Data *wd = elm_widget_data_get(obj);
409    if (!wd) return EINA_FALSE;
410    return wd->horizontal;
411 }
412
413 EAPI void
414 elm_hoversel_hover_begin(Evas_Object *obj)
415 {
416    ELM_CHECK_WIDTYPE(obj, widtype);
417    Widget_Data *wd = elm_widget_data_get(obj);
418    if (!wd) return;
419    if (wd->hover) return;
420    _activate(obj);
421 }
422
423 EAPI void
424 elm_hoversel_hover_end(Evas_Object *obj)
425 {
426    ELM_CHECK_WIDTYPE(obj, widtype);
427    Widget_Data *wd = elm_widget_data_get(obj);
428    if (!wd) return;
429    if (!wd->hover) return;
430    wd->expanded = EINA_FALSE;
431    evas_object_del(wd->hover);
432    wd->hover = NULL;
433    evas_object_smart_callback_call(obj, SIG_DISMISSED, NULL);
434 }
435
436 EAPI Eina_Bool
437 elm_hoversel_expanded_get(const Evas_Object *obj)
438 {
439    ELM_CHECK_WIDTYPE(obj, widtype) EINA_FALSE;
440    Widget_Data *wd = elm_widget_data_get(obj);
441    if (!wd) return EINA_FALSE;
442    return (wd->hover) ? EINA_TRUE : EINA_FALSE;
443 }
444
445 EAPI void
446 elm_hoversel_clear(Evas_Object *obj)
447 {
448    Elm_Object_Item *it;
449    Eina_List *l, *ll;
450    ELM_CHECK_WIDTYPE(obj, widtype);
451    Widget_Data *wd = elm_widget_data_get(obj);
452    if (!wd) return;
453    EINA_LIST_FOREACH_SAFE(wd->items, l, ll, it)
454      {
455         _item_del_pre_hook(it);
456         elm_widget_item_free(it);
457      }
458 }
459
460 EAPI const Eina_List *
461 elm_hoversel_items_get(const Evas_Object *obj)
462 {
463    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
464    Widget_Data *wd = elm_widget_data_get(obj);
465    if (!wd) return NULL;
466    return wd->items;
467 }
468
469 EAPI Elm_Object_Item *
470 elm_hoversel_item_add(Evas_Object *obj, const char *label, const char *icon_file, Elm_Icon_Type icon_type, Evas_Smart_Cb func, const void *data)
471 {
472    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
473    Widget_Data *wd = elm_widget_data_get(obj);
474    if (!wd) return NULL;
475    Elm_Hoversel_Item *item = elm_widget_item_new(obj, Elm_Hoversel_Item);
476    if (!item) return NULL;
477    elm_widget_item_del_pre_hook_set(item, _item_del_pre_hook);
478    elm_widget_item_text_get_hook_set(item, _item_text_get_hook);
479    wd->items = eina_list_append(wd->items, item);
480    item->label = eina_stringshare_add(label);
481    item->icon_file = eina_stringshare_add(icon_file);
482    item->icon_type = icon_type;
483    item->func = func;
484    item->base.data = data;
485    return (Elm_Object_Item *)item;
486 }
487
488 EAPI void
489 elm_hoversel_item_icon_set(Elm_Object_Item *it, const char *icon_file, const char *icon_group, Elm_Icon_Type icon_type)
490 {
491    ELM_OBJ_ITEM_CHECK_OR_RETURN(it);
492    Elm_Hoversel_Item *item = (Elm_Hoversel_Item *)it;
493    eina_stringshare_replace(&item->icon_file, icon_file);
494    eina_stringshare_replace(&item->icon_group, icon_group);
495    item->icon_type = icon_type;
496 }
497
498 EAPI void
499 elm_hoversel_item_icon_get(const Elm_Object_Item *it, const char **icon_file, const char **icon_group, Elm_Icon_Type *icon_type)
500 {
501    ELM_OBJ_ITEM_CHECK_OR_RETURN(it);
502    Elm_Hoversel_Item *item = (Elm_Hoversel_Item *)it;
503    if (icon_file) *icon_file = item->icon_file;
504    if (icon_group) *icon_group = item->icon_group;
505    if (icon_type) *icon_type = item->icon_type;
506 }
507