1 /**
2  * Simple Edje Edit example illustrating BOX part's and it's items editing.
3  *
4  * This example is intended for people who want to write an Edje editor. There
5  * is no other application that should use it, EVER ! If you don't plan to write
6  * an Edje editor please move away from this file.
7  *
8  * See stdout/stderr for output.
9  *
10  * @verbatim
11  * edje_cc box_example.edc && gcc -o edje-edit-part-box edje-edit-part-box.c `pkg-config --libs --cflags evas ecore ecore-evas edje eina`
12  * @endverbatim
13  */
14 
15 #ifdef HAVE_CONFIG_H
16 # include "config.h"
17 #else
18 # define EINA_UNUSED
19 #endif
20 
21 #ifndef PACKAGE_DATA_DIR
22 #define PACKAGE_DATA_DIR "."
23 #endif
24 
25 #define EDJE_EDIT_IS_UNSTABLE_AND_I_KNOW_ABOUT_IT
26 #include <Ecore.h>
27 #include <Ecore_Evas.h>
28 #include <Edje_Edit.h>
29 #include <Edje.h>
30 
31 #define WIDTH  (500)
32 #define HEIGHT (300)
33 
34 static const char commands[] = \
35   "commands are:\n"
36   "\tl - change box layout\n"
37   "\tL - change box alternative layout\n"
38   "\ti - append one/remove item\n"
39   "\tg - change source of middle item\n"
40   "\tM - change max of middle item\n"
41   "\tm - change min of middle item\n"
42   "\ts - change spread (w and h) of middle item\n"
43   "\tb - change paddings of middle item\n"
44   "\tw - change weight of middle item\n"
45   "\tn - change align of middle item\n"
46   "\tp - print resulted source code of edj file (after changing with edje edit)\n"
47   "\th - print help\n"
48   "\tEsc - exit\n";
49 
50 static int group_number = 0;
51 static const char *groups[] =
52 {
53    "blue_group", "red_group", "green_group", "complex_group"
54 };
55 
56 static int layout_number = 0;
57 static int alt_layout_number = 0;
58 static char *layouts[] =
59 {
60    "horizontal", "vertical", "horizontal_homogeneous", "vertical_homogeneous",
61    "horizontal_max", "vertical_max", "horizontal_flow", "vertical_flow", "stack",
62    NULL
63 };
64 
65 static void
_on_delete(Ecore_Evas * ee EINA_UNUSED)66 _on_delete(Ecore_Evas *ee EINA_UNUSED)
67 {
68    ecore_main_loop_quit();
69 }
70 
71 static void
_on_bg_key_down(void * data EINA_UNUSED,Evas * e EINA_UNUSED,Evas_Object * o,void * event_info)72 _on_bg_key_down(void *data EINA_UNUSED,
73                 Evas *e EINA_UNUSED,
74                 Evas_Object *o,
75                 void *event_info)
76 {
77    const char  *edje_file = PACKAGE_DATA_DIR"/box_example.edj";
78    Evas_Event_Key_Down *ev;
79    Evas_Object         *edje_edit_obj = o;
80 
81    ev = (Evas_Event_Key_Down *)event_info;
82 
83    if (!strcmp(ev->key, "h"))
84      {
85         printf(commands);
86         return;
87      }
88    if (!strcmp(ev->key, "p"))
89      {
90         printf("SOURCE CODE:\n%s \n", edje_edit_source_generate(edje_edit_obj));
91         return;
92      }
93    if (!strcmp(ev->key, "n"))
94      {
95         double align_x = edje_edit_part_item_index_align_x_get(edje_edit_obj, "green", 1);
96         double align_y = edje_edit_part_item_index_align_y_get(edje_edit_obj, "green", 1);
97 
98         align_x += 0.1; align_y += 0.2;
99         if (align_x >= 1.0) align_x = 0.0;
100         if (align_y >= 1.0) align_y = 0.0;
101 
102         printf("Changing align to x[%f] y[%f] \n", align_x, align_y);
103 
104         if (!edje_edit_part_item_index_align_x_set(edje_edit_obj, "green", 1, align_x))
105           fprintf(stderr, "Couldn't set align x for item x2, something is absolutely wrong!!!\n");
106         if (!edje_edit_part_item_index_align_y_set(edje_edit_obj, "green", 1, align_y))
107           fprintf(stderr, "Couldn't set align y for item x2, something is absolutely wrong!!!\n");
108 
109         edje_edit_save_all(edje_edit_obj);
110         if (!edje_object_file_set(edje_edit_obj, edje_file, "box_group"))
111           printf("Couldn't load edje edit object! \n");
112 
113         return;
114      }
115    if (!strcmp(ev->key, "w"))
116      {
117         double weight_x = edje_edit_part_item_index_weight_x_get(edje_edit_obj, "green", 1);
118         double weight_y = edje_edit_part_item_index_weight_y_get(edje_edit_obj, "green", 1);
119 
120         weight_x += 5.0; weight_y += 10.0;
121         if (weight_x >= 30.0) weight_x = 0.0;
122         if (weight_y >= 30.0) weight_y = 0.0;
123 
124         printf("Changing weight to x[%f] y[%f] \n", weight_x, weight_y);
125 
126         if (!edje_edit_part_item_index_weight_x_set(edje_edit_obj, "green", 1, weight_x))
127           fprintf(stderr, "Couldn't set weight x for item x2, something is absolutely wrong!!!\n");
128         if (!edje_edit_part_item_index_weight_y_set(edje_edit_obj, "green", 1, weight_y))
129           fprintf(stderr, "Couldn't set weight y for item x2, something is absolutely wrong!!!\n");
130 
131         edje_edit_save_all(edje_edit_obj);
132         if (!edje_object_file_set(edje_edit_obj, edje_file, "box_group"))
133           printf("Couldn't load edje edit object! \n");
134 
135         return;
136      }
137    if (!strcmp(ev->key, "b"))
138      {
139         Evas_Coord l, r, t, b;
140         edje_edit_part_item_index_padding_get(edje_edit_obj, "green", 1, &l, &r, &t, &b);
141 
142         l += 1; r += 2; t += 4; b += 8;
143         if (l >= 32) l = 0;
144         if (r >= 32) r = 0;
145         if (t >= 32) t = 0;
146         if (b >= 32) b = 0;
147 
148         printf("Changing paddings. left[%d], right[%d], top[%d], bottom[%d]\n", l, r, t, b);
149 
150         if (!edje_edit_part_item_index_padding_set(edje_edit_obj, "green", 1, l, r, t, b))
151           fprintf(stderr, "Couldn't set paddings for item x2, something is absolutely wrong!!!\n");
152 
153         edje_edit_save_all(edje_edit_obj);
154         if (!edje_object_file_set(edje_edit_obj, edje_file, "box_group"))
155           printf("Couldn't load edje edit object! \n");
156 
157         return;
158      }
159    if (!strcmp(ev->key, "s"))
160      {
161         /* numbder of spread item is (spread_w * spread_h) */
162         int spread_w = edje_edit_part_item_index_spread_w_get(edje_edit_obj, "green", 1);
163         int spread_h = edje_edit_part_item_index_spread_h_get(edje_edit_obj, "green", 1);
164 
165         spread_w++;
166         if (spread_w >= 5)
167           {
168              spread_w = 1;
169              spread_h++;
170              if (spread_h >= 5)
171                spread_h = 1;
172           }
173 
174         printf("Changing spread to w[%d] h[%d] \n", spread_w, spread_h);
175 
176         if (!edje_edit_part_item_index_spread_w_set(edje_edit_obj, "green", 1, spread_w))
177           fprintf(stderr, "Couldn't set spread w for item x2, something is absolutely wrong!!!\n");
178         if (!edje_edit_part_item_index_spread_h_set(edje_edit_obj, "green", 1, spread_h))
179           fprintf(stderr, "Couldn't set spread h for item x2, something is absolutely wrong!!!\n");
180 
181         edje_edit_save_all(edje_edit_obj);
182         if (!edje_object_file_set(edje_edit_obj, edje_file, "box_group"))
183           printf("Couldn't load edje edit object! \n");
184 
185         return;
186      }
187    if (!strcmp(ev->key, "m"))
188      {
189         int min_w = edje_edit_part_item_index_min_w_get(edje_edit_obj, "green", 1);
190         int min_h = edje_edit_part_item_index_min_h_get(edje_edit_obj, "green", 1);
191 
192         min_w += 100; min_h += 100;
193         if (min_w >= 500) min_w = 200;
194         if (min_h >= 500) min_h = 200;
195 
196         printf("Changing min to w[%d] h[%d] \n", min_w, min_h);
197 
198         if (!edje_edit_part_item_index_min_w_set(edje_edit_obj, "green", 1, min_w))
199           fprintf(stderr, "Couldn't set min w for item x2, something is absolutely wrong!!!\n");
200         if (!edje_edit_part_item_index_min_h_set(edje_edit_obj, "green", 1, min_h))
201           fprintf(stderr, "Couldn't set min h for item x2, something is absolutely wrong!!!\n");
202 
203         edje_edit_save_all(edje_edit_obj);
204         if (!edje_object_file_set(edje_edit_obj, edje_file, "box_group"))
205           printf("Couldn't load edje edit object! \n");
206 
207         return;
208      }
209    if (!strcmp(ev->key, "M"))
210      {
211         int max_w = edje_edit_part_item_index_max_w_get(edje_edit_obj, "green", 1);
212         int max_h = edje_edit_part_item_index_max_h_get(edje_edit_obj, "green", 1);
213 
214         max_w -= 100; max_h -= 100;
215         if (max_w <= 0) max_w = 800;
216         if (max_h <= 0) max_h = 800;
217 
218         printf("Changing max to w[%d] h[%d] \n", max_w, max_h);
219 
220         if (!edje_edit_part_item_index_max_w_set(edje_edit_obj, "green", 1, max_w))
221           fprintf(stderr, "Couldn't set max w for item x2, something is absolutely wrong!!!\n");
222         if (!edje_edit_part_item_index_max_h_set(edje_edit_obj, "green", 1, max_h))
223           fprintf(stderr, "Couldn't set max h for item x2, something is absolutely wrong!!!\n");
224 
225         edje_edit_save_all(edje_edit_obj);
226         if (!edje_object_file_set(edje_edit_obj, edje_file, "box_group"))
227           printf("Couldn't load edje edit object! \n");
228 
229         return;
230      }
231    if (!strcmp(ev->key, "g"))
232      {
233         Eina_Stringshare *source = edje_edit_part_item_index_source_get(edje_edit_obj, "green", 1);
234         const char *new_source = NULL;
235 
236         group_number++;
237         if (group_number > 3)
238           group_number = 0;
239          new_source = groups[group_number];
240 
241         printf("Changing item's source from [%s] to [%s] \n", source, new_source);
242 
243         if (!edje_edit_part_item_index_source_set(edje_edit_obj, "green", 1, new_source))
244           fprintf(stderr, "Couldn't change item's source, something is absolutely wrong!!!\n");
245 
246         edje_edit_save_all(edje_edit_obj);
247         if (!edje_object_file_set(edje_edit_obj, edje_file, "box_group"))
248           printf("Couldn't load edje edit object! \n");
249 
250         eina_stringshare_del(source);
251         return;
252      }
253    if (!strcmp(ev->key, "i"))
254      {
255         if (!edje_edit_part_item_append(edje_edit_obj, "green", "x_new", "complex_group"))
256           {
257              edje_edit_part_item_index_del(edje_edit_obj, "green", 3);
258              printf("Successfully removed new item!\n");
259           }
260         else
261           {
262              if (!edje_edit_part_item_index_min_w_set(edje_edit_obj, "green", 3, 200))
263                fprintf(stderr, "Couldn't set min w for item x_new, something is absolutely wrong!!!\n");
264              if (!edje_edit_part_item_index_min_h_set(edje_edit_obj, "green", 3, 200))
265                fprintf(stderr, "Couldn't set min h for item x_new, something is absolutely wrong!!!\n");
266              printf("Successfully added new item!\n");
267           }
268 
269         edje_edit_save_all(edje_edit_obj);
270         if (!edje_object_file_set(edje_edit_obj, edje_file, "box_group"))
271           printf("Couldn't load edje edit object! \n");
272 
273         return;
274      }
275    if (!strcmp(ev->key, "l"))
276      {
277         Eina_Stringshare *layout = edje_edit_state_box_layout_get(edje_edit_obj, "green", "default", 0.0);
278         char *new_layout = NULL;
279 
280         layout_number++;
281         if (layout_number > 9)
282           layout_number = 0;
283         new_layout = layouts[layout_number];
284 
285         printf("Changing box's layout from [%s] to [%s] \n", layout, new_layout);
286 
287         if (!edje_edit_state_box_layout_set(edje_edit_obj, "green", "default", 0.0, new_layout))
288           fprintf(stderr, "Couldn't change layout, something is absolutely wrong!!!\n");
289 
290         edje_edit_save_all(edje_edit_obj);
291         if (!edje_object_file_set(edje_edit_obj, edje_file, "box_group"))
292           printf("Couldn't load edje edit object! \n");
293 
294         eina_stringshare_del(layout);
295         return;
296      }
297    if (!strcmp(ev->key, "L"))
298      {
299         Eina_Stringshare *layout = edje_edit_state_box_alt_layout_get(edje_edit_obj, "green", "default", 0.0);
300         char *new_layout = NULL;
301 
302         alt_layout_number++;
303         if (alt_layout_number > 9)
304           alt_layout_number = 0;
305         new_layout = layouts[alt_layout_number];
306 
307         printf("Changing box's alternative layout from [%s] to [%s] \n", layout, new_layout);
308 
309         if (!edje_edit_state_box_alt_layout_set(edje_edit_obj, "green", "default", 0.0, new_layout))
310           fprintf(stderr, "Couldn't change alternative layout, something is absolutely wrong!!!\n");
311 
312         edje_edit_save_all(edje_edit_obj);
313         if (!edje_object_file_set(edje_edit_obj, edje_file, "box_group"))
314           printf("Couldn't load edje edit object! \n");
315 
316         eina_stringshare_del(layout);
317         return;
318      }
319    else if (!strcmp(ev->key, "Escape"))
320      ecore_main_loop_quit();
321 }
322 
323 int
main(int argc EINA_UNUSED,char * argv[]EINA_UNUSED)324 main(int argc EINA_UNUSED, char *argv[] EINA_UNUSED)
325 {
326    const char  *edje_file = PACKAGE_DATA_DIR"/box_example.edj";
327    Ecore_Evas  *ee;
328    Evas        *evas;
329    Evas_Object *edje_edit_obj;
330 
331    if (!ecore_evas_init())
332      return EXIT_FAILURE;
333 
334    if (!edje_init())
335      goto shutdown_ecore_evas;
336 
337    /* this will give you a window with an Evas canvas under the first
338     * engine available */
339    ee = ecore_evas_new(NULL, 0, 0, WIDTH, HEIGHT, NULL);
340    if (!ee) goto shutdown_edje;
341 
342    ecore_evas_callback_delete_request_set(ee, _on_delete);
343 
344    ecore_evas_title_set(ee, "Edje Edit Example: BOX part");
345 
346    evas = ecore_evas_get(ee);
347 
348    /* loading edje edit object here */
349    edje_edit_obj = edje_edit_object_add(evas);
350    if (!edje_object_file_set(edje_edit_obj, edje_file, "box_group"))
351      printf("Couldn't load edje edit object! \n");
352 
353    evas_object_resize(edje_edit_obj, WIDTH, HEIGHT);
354    evas_object_show(edje_edit_obj);
355 
356    ecore_evas_data_set(ee, "background", edje_edit_obj);
357    ecore_evas_object_associate(ee, edje_edit_obj, ECORE_EVAS_OBJECT_ASSOCIATE_BASE);
358    evas_object_focus_set(edje_edit_obj, EINA_TRUE);
359    evas_object_event_callback_add(edje_edit_obj, EVAS_CALLBACK_KEY_DOWN, _on_bg_key_down, ee);
360 
361    printf(commands);
362 
363    ecore_evas_show(ee);
364 
365    ecore_main_loop_begin();
366 
367    ecore_evas_free(ee);
368    ecore_evas_shutdown();
369    edje_shutdown();
370 
371    return EXIT_SUCCESS;
372 
373  shutdown_edje:
374    edje_shutdown();
375  shutdown_ecore_evas:
376    ecore_evas_shutdown();
377 
378    return EXIT_FAILURE;
379 }
380