aboutsummaryrefslogtreecommitdiffstatshomepage
path: root/libraries/elementary/src/lib/elm_factory.c
diff options
context:
space:
mode:
Diffstat (limited to 'libraries/elementary/src/lib/elm_factory.c')
-rw-r--r--libraries/elementary/src/lib/elm_factory.c338
1 files changed, 338 insertions, 0 deletions
diff --git a/libraries/elementary/src/lib/elm_factory.c b/libraries/elementary/src/lib/elm_factory.c
new file mode 100644
index 0000000..25a3d37
--- /dev/null
+++ b/libraries/elementary/src/lib/elm_factory.c
@@ -0,0 +1,338 @@
1#include <Elementary.h>
2#include "elm_priv.h"
3
4// FIXME: handle if canvas resizes
5
6typedef struct _Widget_Data Widget_Data;
7
8struct _Widget_Data
9{
10 Evas_Object *obj;
11 Evas_Object *content;
12 int last_calc_count;
13 Evas_Coord maxminw, maxminh;
14 Eina_Bool eval : 1;
15 Eina_Bool szeval : 1;
16 Eina_Bool maxmin : 1;
17};
18
19static const char *widtype = NULL;
20static void _del_hook(Evas_Object *obj);
21static Eina_Bool _focus_next_hook(const Evas_Object *obj, Elm_Focus_Direction dir, Evas_Object **next);
22static void _sizing_eval(Evas_Object *obj);
23static void _eval(Evas_Object *obj);
24static void _changed(Evas_Object *obj);
25static void _move(void *data __UNUSED__, Evas *e __UNUSED__, Evas_Object *obj, void *event_info __UNUSED__);
26static void _resize(void *data __UNUSED__, Evas *e __UNUSED__, Evas_Object *obj, void *event_info __UNUSED__);
27static void _child_change(void *data __UNUSED__, Evas *e __UNUSED__, Evas_Object *obj, void *event_info __UNUSED__);
28static void _child_del(void *data, Evas *e __UNUSED__, Evas_Object *obj, void *event_info __UNUSED__);
29static void _content_set_hook(Evas_Object *obj, const char *part, Evas_Object *content);
30static Evas_Object *_content_get_hook(const Evas_Object *obj, const char *part);
31static Evas_Object *_content_unset_hook(Evas_Object *obj, const char *part);
32
33static const char SIG_REALIZE[] = "realize";
34static const char SIG_UNREALIZE[] = "unrealize";
35
36static const Evas_Smart_Cb_Description _signals[] = {
37 {SIG_REALIZE, ""},
38 {SIG_UNREALIZE, ""},
39 {NULL, NULL}
40};
41
42static int fac = 0;
43
44static void
45_del_hook(Evas_Object *obj)
46{
47 Widget_Data *wd = elm_widget_data_get(obj);
48 if (!wd) return;
49 if (wd->content)
50 {
51 Evas_Object *o = wd->content;
52
53 evas_object_event_callback_del_full(o,
54 EVAS_CALLBACK_CHANGED_SIZE_HINTS,
55 _child_change, obj);
56 evas_object_event_callback_del_full(o,
57 EVAS_CALLBACK_DEL,
58 _child_del, obj);
59 wd->content = NULL;
60 evas_object_del(o);
61 fac--;
62// printf("FAC-- = %i\n", fac);
63 }
64 free(wd);
65}
66
67static Eina_Bool
68_focus_next_hook(const Evas_Object *obj, Elm_Focus_Direction dir, Evas_Object **next)
69{
70 Widget_Data *wd = elm_widget_data_get(obj);
71 Evas_Object *cur;
72
73 if ((!wd) || (!wd->content)) return EINA_FALSE;
74 cur = wd->content;
75 return elm_widget_focus_next_get(cur, dir, next);
76}
77
78static void
79_sizing_eval(Evas_Object *obj)
80{
81 Widget_Data *wd = elm_widget_data_get(obj);
82 Evas_Coord minw = -1, minh = -1, maxw = -1, maxh = -1;
83
84 if (!wd) return;
85 if (!wd->content) return;
86 evas_object_size_hint_min_get(wd->content, &minw, &minh);
87 evas_object_size_hint_max_get(wd->content, &maxw, &maxh);
88 if (wd->maxmin)
89 {
90 if (minw > wd->maxminw) wd->maxminw = minw;
91 if (minh > wd->maxminh) wd->maxminh = minh;
92 evas_object_size_hint_min_set(obj, wd->maxminw, wd->maxminh);
93 }
94 else
95 {
96 evas_object_size_hint_min_set(obj, minw, minh);
97 }
98 evas_object_size_hint_max_set(obj, maxw, maxh);
99// printf("FAC SZ: %i %i | %i %i\n", minw, minh, maxw, maxh);
100}
101
102static void
103_eval(Evas_Object *obj)
104{
105 Evas_Coord x, y, w, h, cvx, cvy, cvw, cvh;
106 Widget_Data *wd = elm_widget_data_get(obj);
107 if (!wd) return;
108
109 evas_event_freeze(evas_object_evas_get(obj));
110 evas_object_geometry_get(obj, &x, &y, &w, &h);
111 if (w < 1) w = 1;
112 if (h < 1) h = 1;
113 evas_output_viewport_get(evas_object_evas_get(obj),
114 &cvx, &cvy, &cvw, &cvh);
115 if ((cvw < 1) || (cvh < 1)) return;
116 // need some fuzz value thats beyond the current viewport
117 // for now just make it the viewport * 3 in size (so 1 vp in each direction)
118 /*
119 cvx -= cvw;
120 cvy -= cvh;
121 cvw *= 3;
122 cvh *= 3;
123 */
124 if (ELM_RECTS_INTERSECT(x, y, w, h, cvx, cvy, cvw, cvh))
125 {
126 if (!wd->content)
127 {
128// printf(" + %i %i %ix%i <> %i %i %ix%i\n", x, y, w, h, cvx, cvy, cvw, cvh);
129 evas_object_smart_callback_call(obj, SIG_REALIZE, NULL);
130 if (wd->content)
131 {
132 if (evas_object_smart_data_get(wd->content))
133 evas_object_smart_calculate(wd->content);
134 }
135 wd->last_calc_count =
136 evas_smart_objects_calculate_count_get(evas_object_evas_get(obj));
137 }
138 }
139 else
140 {
141 if (wd->content)
142 {
143 if (wd->last_calc_count !=
144 evas_smart_objects_calculate_count_get(evas_object_evas_get(obj)))
145 evas_object_smart_callback_call(obj, SIG_UNREALIZE, NULL);
146 }
147 }
148 evas_event_thaw(evas_object_evas_get(obj));
149 evas_event_thaw_eval(evas_object_evas_get(obj));
150}
151
152static void
153_changed(Evas_Object *obj)
154{
155 Widget_Data *wd = elm_widget_data_get(obj);
156 if (!wd) return;
157 if (wd->eval)
158 {
159 _eval(obj);
160 wd->eval = EINA_FALSE;
161 }
162 if (wd->szeval)
163 {
164 _sizing_eval(obj);
165 wd->szeval = EINA_FALSE;
166 }
167}
168
169static void
170_move(void *data __UNUSED__, Evas *e __UNUSED__, Evas_Object *obj, void *event_info __UNUSED__)
171{
172 Widget_Data *wd = elm_widget_data_get(obj);
173 if (!wd) return;
174 wd->eval = EINA_TRUE;
175 evas_object_smart_changed(obj);
176}
177
178static void
179_resize(void *data __UNUSED__, Evas *e __UNUSED__, Evas_Object *obj, void *event_info __UNUSED__)
180{
181 Widget_Data *wd = elm_widget_data_get(obj);
182 if (!wd) return;
183 wd->eval = EINA_TRUE;
184 evas_object_smart_changed(obj);
185}
186
187static void
188_child_change(void *data __UNUSED__, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
189{
190 Widget_Data *wd = elm_widget_data_get(data);
191 if (!wd) return;
192 wd->eval = EINA_TRUE;
193 wd->szeval = EINA_TRUE;
194 evas_object_smart_changed(data);
195}
196
197static void
198_child_del(void *data, Evas *e __UNUSED__, Evas_Object *obj, void *event_info __UNUSED__)
199{
200 Evas_Object *fobj = data;
201 Widget_Data *wd = elm_widget_data_get(fobj);
202 if (!wd) return;
203 if (wd->content != obj) return;
204 evas_object_event_callback_del_full(wd->content,
205 EVAS_CALLBACK_CHANGED_SIZE_HINTS,
206 _child_change, obj);
207 evas_object_event_callback_del_full(wd->content,
208 EVAS_CALLBACK_DEL,
209 _child_del, obj);
210 wd->content = NULL;
211 fac--;
212// printf("FAC-- = %i\n", fac);
213}
214
215static Evas_Object *
216_content_unset_hook(Evas_Object *obj, const char *part)
217{
218 ELM_CHECK_WIDTYPE(obj, widtype) NULL;
219 Widget_Data *wd;
220 Evas_Object *content;
221
222 if (part && strcmp(part, "default")) return NULL;
223 wd = elm_widget_data_get(obj);
224 if (!wd || !wd->content) return NULL;
225
226 content = wd->content;
227 evas_object_event_callback_del_full(content,
228 EVAS_CALLBACK_CHANGED_SIZE_HINTS,
229 _child_change, obj);
230 evas_object_event_callback_del_full(content,
231 EVAS_CALLBACK_DEL,
232 _child_del, obj);
233 wd->content = NULL;
234 fac--;
235// printf("FAC-- = %i\n", fac);
236 return content;
237}
238
239static void
240_content_set_hook(Evas_Object *obj, const char *part, Evas_Object *content)
241{
242 ELM_CHECK_WIDTYPE(obj, widtype);
243 Widget_Data *wd;
244 Evas_Object *prev_content;
245
246 if (part && strcmp(part, "default")) return;
247 wd = elm_widget_data_get(obj);
248 if (!wd) return;
249 if (wd->content == content) return;
250
251 prev_content = _content_unset_hook(obj, part);
252 if (prev_content) evas_object_del(prev_content);
253
254 wd->content = content;
255 if (!content) return;
256
257 elm_widget_resize_object_set(obj, content);
258 evas_object_event_callback_add(content, EVAS_CALLBACK_DEL, _child_del, obj);
259 evas_object_event_callback_add(content, EVAS_CALLBACK_CHANGED_SIZE_HINTS,
260 _child_change, obj);
261 wd->eval = EINA_TRUE;
262 wd->szeval = EINA_TRUE;
263 evas_object_smart_changed(obj);
264 fac++;
265}
266
267static Evas_Object *
268_content_get_hook(const Evas_Object *obj, const char *part)
269{
270 ELM_CHECK_WIDTYPE(obj, widtype) NULL;
271 Widget_Data *wd;
272 if (part && strcmp(part, "default")) return NULL;
273 wd = elm_widget_data_get(obj);
274 if (!wd) return NULL;
275 return wd->content;
276}
277
278EAPI Evas_Object *
279elm_factory_add(Evas_Object *parent)
280{
281 Evas_Object *obj;
282 Evas *e;
283 Widget_Data *wd;
284
285 ELM_WIDGET_STANDARD_SETUP(wd, Widget_Data, parent, e, obj, NULL);
286
287 ELM_SET_WIDTYPE(widtype, "factory");
288 elm_widget_type_set(obj, "factory");
289 elm_widget_sub_object_add(parent, obj);
290 elm_widget_data_set(obj, wd);
291 elm_widget_del_hook_set(obj, _del_hook);
292 elm_widget_focus_next_hook_set(obj, _focus_next_hook);
293 elm_widget_content_set_hook_set(obj, _content_set_hook);
294 elm_widget_content_get_hook_set(obj, _content_get_hook);
295 elm_widget_content_unset_hook_set(obj, _content_unset_hook);
296 elm_widget_can_focus_set(obj, EINA_FALSE);
297 elm_widget_changed_hook_set(obj, _changed);
298
299 evas_object_event_callback_add(obj, EVAS_CALLBACK_MOVE, _move, NULL);
300 evas_object_event_callback_add(obj, EVAS_CALLBACK_RESIZE, _resize, NULL);
301
302 evas_object_smart_callbacks_descriptions_set(obj, _signals);
303
304 wd->obj = obj;
305 wd->last_calc_count = -1;
306 return obj;
307}
308
309EAPI void
310elm_factory_maxmin_mode_set(Evas_Object *obj, Eina_Bool enabled)
311{
312 ELM_CHECK_WIDTYPE(obj, widtype);
313 Widget_Data *wd = elm_widget_data_get(obj);
314 if (!wd) return;
315 wd->maxmin = !!enabled;
316}
317
318EAPI Eina_Bool
319elm_factory_maxmin_mode_get(const Evas_Object *obj)
320{
321 ELM_CHECK_WIDTYPE(obj, widtype) EINA_FALSE;
322 Widget_Data *wd = elm_widget_data_get(obj);
323 if (!wd) return EINA_FALSE;
324 return wd->maxmin;
325}
326
327EAPI void
328elm_factory_maxmin_reset_set(Evas_Object *obj)
329{
330 ELM_CHECK_WIDTYPE(obj, widtype);
331 Widget_Data *wd = elm_widget_data_get(obj);
332 if (!wd) return;
333 wd->maxminw = 0;
334 wd->maxminh = 0;
335 wd->eval = EINA_TRUE;
336 wd->szeval = EINA_TRUE;
337 evas_object_smart_changed(obj);
338}
generated by cgit v1.1 at 2024-10-21 23:23:05 +0000