diff options
Diffstat (limited to 'libraries/evas/src/lib/canvas/evas_layer.c')
-rw-r--r-- | libraries/evas/src/lib/canvas/evas_layer.c | 193 |
1 files changed, 193 insertions, 0 deletions
diff --git a/libraries/evas/src/lib/canvas/evas_layer.c b/libraries/evas/src/lib/canvas/evas_layer.c new file mode 100644 index 0000000..54e9907 --- /dev/null +++ b/libraries/evas/src/lib/canvas/evas_layer.c | |||
@@ -0,0 +1,193 @@ | |||
1 | #include "evas_common.h" | ||
2 | #include "evas_private.h" | ||
3 | |||
4 | static void _evas_layer_free(Evas_Layer *lay); | ||
5 | |||
6 | void | ||
7 | evas_object_inject(Evas_Object *obj, Evas *e) | ||
8 | { | ||
9 | Evas_Layer *lay; | ||
10 | |||
11 | if (obj->in_layer) return; | ||
12 | lay = evas_layer_find(e, obj->cur.layer); | ||
13 | if (!lay) | ||
14 | { | ||
15 | lay = evas_layer_new(e); | ||
16 | lay->layer = obj->cur.layer; | ||
17 | evas_layer_add(lay); | ||
18 | } | ||
19 | lay->objects = (Evas_Object *)eina_inlist_append(EINA_INLIST_GET(lay->objects), EINA_INLIST_GET(obj)); | ||
20 | lay->usage++; | ||
21 | obj->layer = lay; | ||
22 | obj->in_layer = 1; | ||
23 | } | ||
24 | |||
25 | void | ||
26 | evas_object_release(Evas_Object *obj, int clean_layer) | ||
27 | { | ||
28 | if (!obj->in_layer) return; | ||
29 | obj->layer->objects = (Evas_Object *)eina_inlist_remove(EINA_INLIST_GET(obj->layer->objects), EINA_INLIST_GET(obj)); | ||
30 | obj->layer->usage--; | ||
31 | if (clean_layer) | ||
32 | { | ||
33 | if (obj->layer->usage <= 0) | ||
34 | { | ||
35 | evas_layer_del(obj->layer); | ||
36 | _evas_layer_free(obj->layer); | ||
37 | } | ||
38 | } | ||
39 | obj->layer = NULL; | ||
40 | obj->in_layer = 0; | ||
41 | } | ||
42 | |||
43 | Evas_Layer * | ||
44 | evas_layer_new(Evas *e) | ||
45 | { | ||
46 | Evas_Layer *lay; | ||
47 | |||
48 | lay = calloc(1, sizeof(Evas_Layer)); | ||
49 | if (!lay) return NULL; | ||
50 | lay->evas = e; | ||
51 | return lay; | ||
52 | } | ||
53 | |||
54 | static void | ||
55 | _evas_layer_free(Evas_Layer *lay) | ||
56 | { | ||
57 | free(lay); | ||
58 | } | ||
59 | |||
60 | void | ||
61 | evas_layer_pre_free(Evas_Layer *lay) | ||
62 | { | ||
63 | Evas_Object *obj; | ||
64 | |||
65 | EINA_INLIST_FOREACH(lay->objects, obj) | ||
66 | { | ||
67 | if ((!obj->smart.parent) && (!obj->delete_me)) | ||
68 | evas_object_del(obj); | ||
69 | } | ||
70 | } | ||
71 | |||
72 | void | ||
73 | evas_layer_free_objects(Evas_Layer *lay) | ||
74 | { | ||
75 | while (lay->objects) | ||
76 | { | ||
77 | Evas_Object *obj; | ||
78 | |||
79 | obj = (Evas_Object *)lay->objects; | ||
80 | evas_object_free(obj, 0); | ||
81 | } | ||
82 | } | ||
83 | |||
84 | void | ||
85 | evas_layer_clean(Evas *e) | ||
86 | { | ||
87 | Evas_Layer *tmp; | ||
88 | |||
89 | while (e->layers) | ||
90 | { | ||
91 | tmp = e->layers; | ||
92 | evas_layer_del(tmp); | ||
93 | _evas_layer_free(tmp); | ||
94 | } | ||
95 | } | ||
96 | |||
97 | Evas_Layer * | ||
98 | evas_layer_find(Evas *e, short layer_num) | ||
99 | { | ||
100 | Evas_Layer *layer; | ||
101 | |||
102 | EINA_INLIST_FOREACH(e->layers, layer) | ||
103 | { | ||
104 | if (layer->layer == layer_num) return layer; | ||
105 | } | ||
106 | return NULL; | ||
107 | } | ||
108 | |||
109 | void | ||
110 | evas_layer_add(Evas_Layer *lay) | ||
111 | { | ||
112 | Evas_Layer *layer; | ||
113 | |||
114 | EINA_INLIST_FOREACH(lay->evas->layers, layer) | ||
115 | { | ||
116 | if (layer->layer > lay->layer) | ||
117 | { | ||
118 | lay->evas->layers = (Evas_Layer *)eina_inlist_prepend_relative(EINA_INLIST_GET(lay->evas->layers), | ||
119 | EINA_INLIST_GET(lay), | ||
120 | EINA_INLIST_GET(layer)); | ||
121 | return; | ||
122 | } | ||
123 | } | ||
124 | lay->evas->layers = (Evas_Layer *)eina_inlist_append(EINA_INLIST_GET(lay->evas->layers), EINA_INLIST_GET(lay)); | ||
125 | } | ||
126 | |||
127 | void | ||
128 | evas_layer_del(Evas_Layer *lay) | ||
129 | { | ||
130 | Evas *e; | ||
131 | |||
132 | e = lay->evas; | ||
133 | e->layers = (Evas_Layer *)eina_inlist_remove(EINA_INLIST_GET(e->layers), EINA_INLIST_GET(lay)); | ||
134 | } | ||
135 | |||
136 | /* public functions */ | ||
137 | |||
138 | EAPI void | ||
139 | evas_object_layer_set(Evas_Object *obj, short l) | ||
140 | { | ||
141 | Evas *e; | ||
142 | |||
143 | MAGIC_CHECK(obj, Evas_Object, MAGIC_OBJ); | ||
144 | return; | ||
145 | MAGIC_CHECK_END(); | ||
146 | if (obj->delete_me) return; | ||
147 | if (evas_object_intercept_call_layer_set(obj, l)) return; | ||
148 | if (obj->smart.parent) return; | ||
149 | if (obj->cur.layer == l) | ||
150 | { | ||
151 | evas_object_raise(obj); | ||
152 | return; | ||
153 | } | ||
154 | e = obj->layer->evas; | ||
155 | evas_object_release(obj, 1); | ||
156 | obj->cur.layer = l; | ||
157 | evas_object_inject(obj, e); | ||
158 | obj->restack = 1; | ||
159 | evas_object_change(obj); | ||
160 | if (obj->clip.clipees) | ||
161 | { | ||
162 | evas_object_inform_call_restack(obj); | ||
163 | return; | ||
164 | } | ||
165 | evas_object_change(obj); | ||
166 | if (!obj->smart.smart) | ||
167 | { | ||
168 | if (evas_object_is_in_output_rect(obj, | ||
169 | obj->layer->evas->pointer.x, | ||
170 | obj->layer->evas->pointer.y, 1, 1) && | ||
171 | obj->cur.visible) | ||
172 | if (eina_list_data_find(obj->layer->evas->pointer.object.in, obj)) | ||
173 | evas_event_feed_mouse_move(obj->layer->evas, | ||
174 | obj->layer->evas->pointer.x, | ||
175 | obj->layer->evas->pointer.y, | ||
176 | obj->layer->evas->last_timestamp, | ||
177 | NULL); | ||
178 | } | ||
179 | evas_object_inform_call_restack(obj); | ||
180 | } | ||
181 | |||
182 | EAPI short | ||
183 | evas_object_layer_get(const Evas_Object *obj) | ||
184 | { | ||
185 | MAGIC_CHECK(obj, Evas_Object, MAGIC_OBJ); | ||
186 | return 0; | ||
187 | MAGIC_CHECK_END(); | ||
188 | if (obj->smart.parent) | ||
189 | { | ||
190 | return obj->smart.parent->cur.layer; | ||
191 | } | ||
192 | return obj->cur.layer; | ||
193 | } | ||