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Diffstat (limited to 'libraries/evas/src/lib/canvas/evas_key_grab.c')
-rw-r--r--libraries/evas/src/lib/canvas/evas_key_grab.c179
1 files changed, 0 insertions, 179 deletions
diff --git a/libraries/evas/src/lib/canvas/evas_key_grab.c b/libraries/evas/src/lib/canvas/evas_key_grab.c
deleted file mode 100644
index 3fc2172..0000000
--- a/libraries/evas/src/lib/canvas/evas_key_grab.c
+++ /dev/null
@@ -1,179 +0,0 @@
1#include "evas_common.h"
2#include "evas_private.h"
3
4/* private calls */
5
6/* FIXME: this is not optimal, but works. i should have a hash of keys per */
7/* Evas and then a linked lists of grabs for that key and what */
8/* modifiers/not_modifers they use */
9
10static Evas_Key_Grab *evas_key_grab_new (Evas_Object *obj, const char *keyname, Evas_Modifier_Mask modifiers, Evas_Modifier_Mask not_modifiers, Eina_Bool exclusive);
11static Evas_Key_Grab *evas_key_grab_find (Evas_Object *obj, const char *keyname, Evas_Modifier_Mask modifiers, Evas_Modifier_Mask not_modifiers, Eina_Bool exclusive);
12
13static Evas_Key_Grab *
14evas_key_grab_new(Evas_Object *obj, const char *keyname, Evas_Modifier_Mask modifiers, Evas_Modifier_Mask not_modifiers, Eina_Bool exclusive)
15{
16 /* MEM OK */
17 Evas_Key_Grab *g;
18
19 g = evas_mem_calloc(sizeof(Evas_Key_Grab));
20 if (!g) return NULL;
21 g->object = obj;
22 g->modifiers = modifiers;
23 g->not_modifiers = not_modifiers;
24 g->exclusive = exclusive;
25 g->keyname = strdup(keyname);
26 if (obj->layer->evas->walking_grabs)
27 g->just_added = EINA_TRUE;
28 if (!g->keyname)
29 {
30 if (!evas_mem_free(strlen(keyname) + 1))
31 {
32 free(g);
33 return NULL;
34 }
35 g->keyname = strdup(keyname);
36 if (!g->keyname)
37 {
38 free(g);
39 return NULL;
40 }
41 }
42 g->object->grabs = eina_list_append(g->object->grabs, g);
43 if (eina_error_get())
44 {
45 MERR_BAD();
46 evas_mem_free(sizeof(Eina_List));
47 g->object->grabs = eina_list_append(g->object->grabs, g);
48 if (eina_error_get())
49 {
50 MERR_FATAL();
51 free(g->keyname);
52 free(g);
53 return NULL;
54 }
55 }
56 obj->layer->evas->grabs = eina_list_append(obj->layer->evas->grabs, g);
57 if (eina_error_get())
58 {
59 MERR_BAD();
60 evas_mem_free(sizeof(Eina_List));
61 obj->layer->evas->grabs = eina_list_append(obj->layer->evas->grabs, g);
62 if (eina_error_get())
63 {
64 MERR_FATAL();
65 g->object->grabs = eina_list_remove(g->object->grabs, g);
66 free(g->keyname);
67 free(g);
68 return NULL;
69 }
70 }
71 return g;
72}
73
74static Evas_Key_Grab *
75evas_key_grab_find(Evas_Object *obj, const char *keyname, Evas_Modifier_Mask modifiers, Evas_Modifier_Mask not_modifiers, Eina_Bool exclusive)
76{
77 /* MEM OK */
78 Eina_List *l;
79 Evas_Key_Grab *g;
80
81 EINA_LIST_FOREACH(obj->layer->evas->grabs, l, g)
82 {
83 if ((g->modifiers == modifiers) &&
84 (g->not_modifiers == not_modifiers) &&
85 (!strcmp(g->keyname, keyname)))
86 {
87 if ((exclusive) || (obj == g->object)) return g;
88 }
89 }
90 return NULL;
91}
92
93/* local calls */
94
95void
96evas_object_grabs_cleanup(Evas_Object *obj)
97{
98 if (obj->layer->evas->walking_grabs)
99 {
100 Eina_List *l;
101 Evas_Key_Grab *g;
102
103 EINA_LIST_FOREACH(obj->grabs, l, g)
104 g->delete_me = EINA_TRUE;
105 }
106 else
107 {
108 while (obj->grabs)
109 {
110 Evas_Key_Grab *g = obj->grabs->data;
111 if (g->keyname) free(g->keyname);
112 free(g);
113 obj->layer->evas->grabs = eina_list_remove(obj->layer->evas->grabs,
114 g);
115 obj->grabs = eina_list_remove(obj->grabs, g);
116 }
117 }
118}
119
120void
121evas_key_grab_free(Evas_Object *obj, const char *keyname, Evas_Modifier_Mask modifiers, Evas_Modifier_Mask not_modifiers)
122{
123 /* MEM OK */
124 Evas_Key_Grab *g;
125
126 g = evas_key_grab_find(obj, keyname, modifiers, not_modifiers, 0);
127 if (!g) return;
128 g->object->grabs = eina_list_remove(g->object->grabs, g);
129 obj->layer->evas->grabs = eina_list_remove(obj->layer->evas->grabs, g);
130 if (g->keyname) free(g->keyname);
131 free(g);
132}
133
134/* public calls */
135
136EAPI Eina_Bool
137evas_object_key_grab(Evas_Object *obj, const char *keyname, Evas_Modifier_Mask modifiers, Evas_Modifier_Mask not_modifiers, Eina_Bool exclusive)
138{
139 /* MEM OK */
140 Evas_Key_Grab *g;
141
142 MAGIC_CHECK(obj, Evas_Object, MAGIC_OBJ);
143 return EINA_FALSE;
144 MAGIC_CHECK_END();
145 if (!keyname) return EINA_FALSE;
146 if (exclusive)
147 {
148 g = evas_key_grab_find(obj, keyname, modifiers, not_modifiers,
149 exclusive);
150 if (g) return EINA_FALSE;
151 }
152 g = evas_key_grab_new(obj, keyname, modifiers, not_modifiers, exclusive);
153 if (!g) return EINA_FALSE;
154 return EINA_TRUE;
155}
156
157EAPI void
158evas_object_key_ungrab(Evas_Object *obj, const char *keyname, Evas_Modifier_Mask modifiers, Evas_Modifier_Mask not_modifiers)
159{
160 /* MEM OK */
161 Evas_Key_Grab *g;
162
163 MAGIC_CHECK(obj, Evas_Object, MAGIC_OBJ);
164 return;
165 MAGIC_CHECK_END();
166 if (!keyname) return;
167 g = evas_key_grab_find(obj, keyname, modifiers, not_modifiers, 0);
168 if (!g) return;
169 if (g->object->layer->evas->walking_grabs)
170 {
171 if (!g->delete_me)
172 {
173 g->object->layer->evas->delete_grabs++;
174 g->delete_me = EINA_TRUE;
175 }
176 }
177 else
178 evas_key_grab_free(g->object, keyname, modifiers, not_modifiers);
179}
generated by cgit v1.1 at 2024-08-29 22:40:37 +0000