aboutsummaryrefslogtreecommitdiffstatshomepage
path: root/libraries/edje/src/examples/sigtest.c
blob: 6e4d85f710e9ac1d7fcd032e03372c955ba4c742 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
#ifdef HAVE_CONFIG_H
#include "config.h"
#else
#define PACKAGE_EXAMPLES_DIR "."
#define __UNUSED__
#endif

#include <Ecore.h>
#include <Ecore_Evas.h>
#include <Edje.h>
#include <stdio.h>

#define WIDTH  (300)
#define HEIGHT (300)

static const char *border_img_path = PACKAGE_EXAMPLES_DIR "/red.png";
static const char *edje_file_path = PACKAGE_EXAMPLES_DIR "/sigtest.edj";

static Ecore_Evas *ee;
static Evas_Object *edje_obj;

static const char commands[] = \
  "commands are:\n"
  "\te - change te edje base\n"
  "\tl - change to lua base\n"
  "\tm - send message\n"
  "\ts - send signal\n"
  "\th - print help\n";

static void
_on_keydown(void        *data __UNUSED__,
            Evas        *evas __UNUSED__,
            Evas_Object *o __UNUSED__,
            void        *einfo)
{
   Evas_Event_Key_Down *ev = einfo;

   if (strcmp(ev->keyname, "h") == 0)
     {
        fprintf(stdout, commands);
        return;
     }

   if (strcmp(ev->keyname, "e") == 0)
     {
      if (!edje_object_file_set(edje_obj, edje_file_path, "plain/edje/group"))
        {
           int err = edje_object_load_error_get(edje_obj);
           const char *errmsg = edje_load_error_str(err);

           fprintf(stderr, "Could not load 'plain/edje/group' from sigtest.edj: %s\n", errmsg);
        }
      else
         fprintf(stdout, "Loaded Edje object bound to group 'plain/edje/group' from"
                         " file sigtest.edj with success!\n");
        return;
     }

   if (strcmp(ev->keyname, "l") == 0)
     {
      if (!edje_object_file_set(edje_obj, edje_file_path, "lua_base"))
        {
           int err = edje_object_load_error_get(edje_obj);
           const char *errmsg = edje_load_error_str(err);

           fprintf(stderr, "Could not load 'lua_base' from sigtest.edj: %s\n", errmsg);
        }
      else
         fprintf(stdout, "Loaded Edje object bound to group 'lua_base' from"
                         " file sigtest.edj with success!\n");
        return;
     }

   if (strcmp(ev->keyname, "m") == 0)
     {
        Edje_Message_String *msg = malloc(sizeof(*msg));

	fprintf(stdout, "\n");
        msg->str = strdup("C message text");
        edje_object_message_send(edje_obj, EDJE_MESSAGE_STRING, 2, msg);
        free(msg);
	fprintf(stdout, "C message sent\n");
        return;
     }

   if (strcmp(ev->keyname, "s") == 0)
     {
	fprintf(stdout, "\n");
        edje_object_signal_emit(edje_obj, "C signal 1", "Csource");
        edje_object_signal_emit(edje_obj, "bubbles_lua:C signal 2", "Csource");
	fprintf(stdout, "C signal sent\n");
        return;
     }
}

static void
_on_message(void *data, Evas_Object *obj, Edje_Message_Type type, int id, void *msg)
{
   int i;

   fprintf(stdout, "C::message id=%d type=%d ", id, type);
   switch (type)
     {
        case EDJE_MESSAGE_NONE :
          {
             fprintf(stdout, " NONE");
             break;
          }

        case EDJE_MESSAGE_SIGNAL :
          {
             fprintf(stdout, " SIGNAL ");
             break;
          }

        case EDJE_MESSAGE_STRING :
          {
             Edje_Message_String *mmsg = msg;

             fprintf(stdout, " STRING %s", mmsg->str);
             break;
          }

        case EDJE_MESSAGE_INT :
          {
             Edje_Message_Int *mmsg = msg;

             fprintf(stdout, " INT %d", mmsg->val);
             break;
          }

        case EDJE_MESSAGE_FLOAT :
          {
             Edje_Message_Float *mmsg = msg;

             fprintf(stdout, " FLOAT %f", mmsg->val);
             break;
          }

        case EDJE_MESSAGE_STRING_SET :
          {
             Edje_Message_String_Set *mmsg = msg;

             fprintf(stdout, " STRING_SET -\n");
             for (i = 0; i < mmsg->count; i++)
                fprintf(stdout, "  %s\n", mmsg->str[i]);
             break;
          }

        case EDJE_MESSAGE_INT_SET :
          {
             Edje_Message_Int_Set *mmsg = msg;

             fprintf(stdout, " INT_SET -\n");
             for (i = 0; i < mmsg->count; i++)
                fprintf(stdout, "  %d\n", mmsg->val[i]);
             break;
          }

        case EDJE_MESSAGE_FLOAT_SET :
          {
             Edje_Message_Float_Set *mmsg = msg;

             fprintf(stdout, " FLOAT_SET -\n");
             for (i = 0; i < mmsg->count; i++)
                fprintf(stdout, "  %f\n", mmsg->val[i]);
             break;
          }

        case EDJE_MESSAGE_STRING_INT :
          {
             Edje_Message_String_Int *mmsg = msg;

             fprintf(stdout, " STRING_INT %s %d", mmsg->str, mmsg->val);
             break;
          }

        case EDJE_MESSAGE_STRING_FLOAT :
          {
             Edje_Message_String_Float *mmsg = msg;

             fprintf(stdout, " STRING_FLOAT %s %f", mmsg->str, mmsg->val);
             break;
          }

        case EDJE_MESSAGE_STRING_INT_SET :
          {
             Edje_Message_String_Int_Set *mmsg = msg;

             fprintf(stdout, " STRING_INT_SET %s -\n", mmsg->str);
             for (i = 0; i < mmsg->count; i++)
                fprintf(stdout, "  %d\n", mmsg->val[i]);
             break;
          }

        case EDJE_MESSAGE_STRING_FLOAT_SET :
          {
             Edje_Message_String_Float_Set *mmsg = msg;

             fprintf(stdout, " STRING_FLOAT_SET %s -\n", mmsg->str);
             for (i = 0; i < mmsg->count; i++)
                fprintf(stdout, "  %f\n", mmsg->val[i]);
             break;
          }
     }
   fprintf(stdout, "\n");
}

static void
_on_signal(void *data, Evas_Object *obj __UNUSED__, const char  *emission, const char  *source)
{
   fprintf(stdout, "C::signal sig=|%s| src=|%s|\n", emission, source);
}

static void
_on_delete(Ecore_Evas *ee __UNUSED__)
{
   ecore_main_loop_quit();
}

int
main(void)
{
   Evas_Object *border, *bg;
   Evas *evas;

   if (!ecore_evas_init())
     return EXIT_FAILURE;

   if (!edje_init())
     return EXIT_FAILURE;

   /* this will give you a window with an Evas canvas under the first
    * engine available */
   ee = ecore_evas_new(NULL, 0, 0, WIDTH, HEIGHT, NULL);
   if (!ee)
     goto error;

   ecore_evas_callback_delete_request_set(ee, _on_delete);
   ecore_evas_title_set(ee, "Signals and wessages tester");
   ecore_evas_show(ee);

   evas = ecore_evas_get(ee);

   bg = evas_object_rectangle_add(evas);
   evas_object_color_set(bg, 255, 255, 255, 255); /* white bg */
   evas_object_move(bg, 0, 0); /* at canvas' origin */
   evas_object_resize(bg, WIDTH, HEIGHT); /* covers full canvas */
   evas_object_show(bg);
   ecore_evas_object_associate(ee, bg, ECORE_EVAS_OBJECT_ASSOCIATE_BASE);

   evas_object_focus_set(bg, EINA_TRUE);
   evas_object_event_callback_add(
       bg, EVAS_CALLBACK_KEY_DOWN, _on_keydown, NULL);

   edje_obj = edje_object_add(evas);

   edje_object_message_handler_set(edje_obj, _on_message, NULL);
   edje_object_signal_callback_add(edje_obj, "*", "*", _on_signal, NULL);

   if (!edje_object_file_set(edje_obj, edje_file_path, "lua_base"))
     {
        int err = edje_object_load_error_get(edje_obj);
        const char *errmsg = edje_load_error_str(err);
        fprintf(stderr, "Could not load 'lua_base' from sigtest.edj: %s\n",
                errmsg);

        evas_object_del(edje_obj);
        goto error_edj;
     }

   fprintf(stdout, "Loaded Edje object bound to group 'lua_base' from"
                   " file sigtest.edj with success!\n");

   evas_object_move(edje_obj, 20, 20);
   evas_object_resize(edje_obj, WIDTH - 40, HEIGHT - 40);
   evas_object_show(edje_obj);

   /* this is a border around the Edje object above, here just to
    * emphasize its geometry */
   border = evas_object_image_filled_add(evas);
   evas_object_image_file_set(border, border_img_path, NULL);
   evas_object_image_border_set(border, 2, 2, 2, 2);
   evas_object_image_border_center_fill_set(border, EVAS_BORDER_FILL_NONE);

   evas_object_resize(border, WIDTH - 40 + 4, HEIGHT - 40 + 4);
   evas_object_move(border, 20 - 2, 20 - 2);
   evas_object_show(border);

   ecore_main_loop_begin();

   ecore_evas_free(ee);
   ecore_evas_shutdown();
   edje_shutdown();
   return 0;

error:
   fprintf(stderr, "You got to have at least one evas engine built"
                   " and linked up to ecore-evas for this example to run"
                   " properly.\n");
   ecore_evas_shutdown();
   return -1;

error_edj:
   fprintf(stderr, "Failed to load sigtest.edj!\n");

   ecore_evas_shutdown();
   return -2;
}