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author | David Walter Seikel | 2012-01-04 18:41:13 +1000 |
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committer | David Walter Seikel | 2012-01-04 18:41:13 +1000 |
commit | dd7595a3475407a7fa96a97393bae8c5220e8762 (patch) | |
tree | e341e911d7eb911a51684a7412ef7f7c7605d28e /libraries/edje/src/examples/edje-signals-messages.c | |
parent | Add the skeleton. (diff) | |
download | SledjHamr-dd7595a3475407a7fa96a97393bae8c5220e8762.zip SledjHamr-dd7595a3475407a7fa96a97393bae8c5220e8762.tar.gz SledjHamr-dd7595a3475407a7fa96a97393bae8c5220e8762.tar.bz2 SledjHamr-dd7595a3475407a7fa96a97393bae8c5220e8762.tar.xz |
Add the base Enlightenment Foundation Libraries - eina, eet, evas, ecore, embryo, and edje.
Note that embryo wont be used, but I'm not sure yet if you can build edje without it.
Diffstat (limited to '')
-rw-r--r-- | libraries/edje/src/examples/edje-signals-messages.c | 230 |
1 files changed, 230 insertions, 0 deletions
diff --git a/libraries/edje/src/examples/edje-signals-messages.c b/libraries/edje/src/examples/edje-signals-messages.c new file mode 100644 index 0000000..2345738 --- /dev/null +++ b/libraries/edje/src/examples/edje-signals-messages.c | |||
@@ -0,0 +1,230 @@ | |||
1 | /** | ||
2 | * Simple Edje example illustrating the Edje signals and messages | ||
3 | * | ||
4 | * You'll need at least one Evas engine built for it (excluding the | ||
5 | * buffer one). See stdout/stderr for output. | ||
6 | * | ||
7 | * @verbatim | ||
8 | * gcc -o edje-signals-messages edje-signals-messages.c `pkg-config --libs --cflags evas ecore ecore-evas edje` | ||
9 | * @endverbatim | ||
10 | */ | ||
11 | |||
12 | #ifdef HAVE_CONFIG_H | ||
13 | #include "config.h" | ||
14 | #else | ||
15 | #define PACKAGE_EXAMPLES_DIR "." | ||
16 | #define __UNUSED__ | ||
17 | #endif | ||
18 | |||
19 | #include <Ecore.h> | ||
20 | #include <Ecore_Evas.h> | ||
21 | #include <Edje.h> | ||
22 | #include <stdio.h> | ||
23 | |||
24 | #define WIDTH (300) | ||
25 | #define HEIGHT (300) | ||
26 | |||
27 | #define MSG_COLOR 1 | ||
28 | #define MSG_TEXT 2 | ||
29 | |||
30 | static const char *border_img_path = PACKAGE_EXAMPLES_DIR "/red.png"; | ||
31 | static const char *edje_file_path = \ | ||
32 | PACKAGE_EXAMPLES_DIR "/signals-messages.edj"; | ||
33 | |||
34 | static Ecore_Evas *ee; | ||
35 | static Evas_Object *edje_obj; | ||
36 | static Eina_Bool right_rect_show = EINA_TRUE; | ||
37 | |||
38 | static const char *commands = \ | ||
39 | "commands are:\n" | ||
40 | "\tt - toggle right rectangle's visibility\n" | ||
41 | "\th - print help\n"; | ||
42 | |||
43 | static void | ||
44 | _on_keydown(void *data __UNUSED__, | ||
45 | Evas *evas __UNUSED__, | ||
46 | Evas_Object *o __UNUSED__, | ||
47 | void *einfo) | ||
48 | { | ||
49 | Evas_Event_Key_Down *ev = einfo; | ||
50 | |||
51 | if (strcmp(ev->keyname, "h") == 0) /* print help */ | ||
52 | { | ||
53 | fprintf(stdout, commands); | ||
54 | return; | ||
55 | } | ||
56 | |||
57 | if (strcmp(ev->keyname, "t") == 0) /* toggle right rectangle's visibility */ | ||
58 | { | ||
59 | char buf[1024]; | ||
60 | |||
61 | right_rect_show = !right_rect_show; | ||
62 | snprintf(buf, sizeof(buf), "part_right,%s", | ||
63 | right_rect_show ? "show" : "hide"); | ||
64 | |||
65 | printf("emitting %s\n", buf); | ||
66 | |||
67 | edje_object_signal_emit(edje_obj, buf, ""); | ||
68 | |||
69 | return; | ||
70 | } | ||
71 | } | ||
72 | |||
73 | static void | ||
74 | _on_delete(Ecore_Evas *ee __UNUSED__) | ||
75 | { | ||
76 | ecore_main_loop_quit(); | ||
77 | } | ||
78 | |||
79 | /* print signals coming from theme */ | ||
80 | static void | ||
81 | _sig_print(const char *emission, | ||
82 | const char *source) | ||
83 | { | ||
84 | fprintf(stdout, "Signal %s coming from part %s!\n", emission, source); | ||
85 | } | ||
86 | |||
87 | static void | ||
88 | _mouse_wheel_cb(void *data __UNUSED__, | ||
89 | Evas_Object *obj __UNUSED__, | ||
90 | const char *emission, | ||
91 | const char *source) | ||
92 | { | ||
93 | _sig_print(emission, source); | ||
94 | } | ||
95 | |||
96 | /* mouse over signals */ | ||
97 | static void | ||
98 | _mouse_over_cb(void *data __UNUSED__, | ||
99 | Evas_Object *obj __UNUSED__, | ||
100 | const char *emission, | ||
101 | const char *source) | ||
102 | { | ||
103 | int i; | ||
104 | |||
105 | _sig_print(emission, source); | ||
106 | |||
107 | Edje_Message_Int_Set *msg = malloc(sizeof(*msg) + 3 * sizeof(int)); | ||
108 | msg->count = 4; | ||
109 | for (i = 0; i < 4; i++) | ||
110 | msg->val[i] = rand() % 256; | ||
111 | |||
112 | edje_object_message_send(edje_obj, EDJE_MESSAGE_INT_SET, MSG_COLOR, msg); | ||
113 | |||
114 | free(msg); | ||
115 | } | ||
116 | |||
117 | /* print out received message string */ | ||
118 | static void | ||
119 | _message_handle(void *data __UNUSED__, | ||
120 | Evas_Object *obj __UNUSED__, | ||
121 | Edje_Message_Type type, | ||
122 | int id, | ||
123 | void *msg) | ||
124 | { | ||
125 | Edje_Message_String *m; | ||
126 | |||
127 | if (type != EDJE_MESSAGE_STRING) return; | ||
128 | if (id != MSG_TEXT) return; | ||
129 | |||
130 | m = msg; | ||
131 | |||
132 | fprintf(stdout, "String message received: %s\n", m->str); | ||
133 | } | ||
134 | |||
135 | int | ||
136 | main(void) | ||
137 | { | ||
138 | Evas_Object *border, *bg; | ||
139 | Evas *evas; | ||
140 | |||
141 | srand(time(NULL)); | ||
142 | |||
143 | if (!ecore_evas_init()) | ||
144 | return EXIT_FAILURE; | ||
145 | |||
146 | if (!edje_init()) | ||
147 | return EXIT_FAILURE; | ||
148 | |||
149 | /* this will give you a window with an Evas canvas under the first | ||
150 | * engine available */ | ||
151 | ee = ecore_evas_new(NULL, 0, 0, WIDTH, HEIGHT, NULL); | ||
152 | if (!ee) | ||
153 | goto error; | ||
154 | |||
155 | ecore_evas_callback_delete_request_set(ee, _on_delete); | ||
156 | ecore_evas_title_set(ee, "Edje Basics Example"); | ||
157 | ecore_evas_show(ee); | ||
158 | |||
159 | evas = ecore_evas_get(ee); | ||
160 | |||
161 | bg = evas_object_rectangle_add(evas); | ||
162 | evas_object_color_set(bg, 255, 255, 255, 255); /* white bg */ | ||
163 | evas_object_move(bg, 0, 0); /* at canvas' origin */ | ||
164 | evas_object_resize(bg, WIDTH, HEIGHT); /* covers full canvas */ | ||
165 | evas_object_show(bg); | ||
166 | ecore_evas_object_associate(ee, bg, ECORE_EVAS_OBJECT_ASSOCIATE_BASE); | ||
167 | |||
168 | evas_object_focus_set(bg, EINA_TRUE); | ||
169 | evas_object_event_callback_add( | ||
170 | bg, EVAS_CALLBACK_KEY_DOWN, _on_keydown, NULL); | ||
171 | |||
172 | edje_obj = edje_object_add(evas); | ||
173 | |||
174 | if (!edje_object_file_set(edje_obj, edje_file_path, "example_group")) | ||
175 | { | ||
176 | int err = edje_object_load_error_get(edje_obj); | ||
177 | const char *errmsg = edje_load_error_str(err); | ||
178 | fprintf(stderr, "Could not load 'example_group' from " | ||
179 | "signals-messages.edj: %s\n", errmsg); | ||
180 | |||
181 | evas_object_del(edje_obj); | ||
182 | goto error_edj; | ||
183 | } | ||
184 | |||
185 | edje_object_signal_callback_add(edje_obj, "mouse,wheel,*", "part_left", | ||
186 | _mouse_wheel_cb, NULL); | ||
187 | |||
188 | edje_object_signal_callback_add(edje_obj, "mouse,over", "part_right", | ||
189 | _mouse_over_cb, NULL); | ||
190 | |||
191 | edje_object_message_handler_set(edje_obj, _message_handle, NULL); | ||
192 | |||
193 | evas_object_move(edje_obj, 20, 20); | ||
194 | evas_object_resize(edje_obj, WIDTH - 40, HEIGHT - 40); | ||
195 | evas_object_show(edje_obj); | ||
196 | |||
197 | /* this is a border around the Edje object above, here just to | ||
198 | * emphasize its geometry */ | ||
199 | border = evas_object_image_filled_add(evas); | ||
200 | evas_object_image_file_set(border, border_img_path, NULL); | ||
201 | evas_object_image_border_set(border, 2, 2, 2, 2); | ||
202 | evas_object_image_border_center_fill_set(border, EVAS_BORDER_FILL_NONE); | ||
203 | |||
204 | evas_object_resize(border, WIDTH - 40 + 4, HEIGHT - 40 + 4); | ||
205 | evas_object_move(border, 20 - 2, 20 - 2); | ||
206 | evas_object_repeat_events_set(border, EINA_TRUE); | ||
207 | evas_object_show(border); | ||
208 | |||
209 | fprintf(stdout, commands); | ||
210 | ecore_main_loop_begin(); | ||
211 | |||
212 | ecore_evas_free(ee); | ||
213 | ecore_evas_shutdown(); | ||
214 | edje_shutdown(); | ||
215 | return 0; | ||
216 | |||
217 | error: | ||
218 | fprintf(stderr, "You got to have at least one Evas engine built" | ||
219 | " and linked up to ecore-evas for this example to run" | ||
220 | " properly.\n"); | ||
221 | ecore_evas_shutdown(); | ||
222 | return -1; | ||
223 | |||
224 | error_edj: | ||
225 | fprintf(stderr, "Failed to load signals-messages.edj!\n"); | ||
226 | |||
227 | ecore_evas_shutdown(); | ||
228 | return -2; | ||
229 | } | ||
230 | |||