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authorDavid Walter Seikel2012-01-04 18:41:13 +1000
committerDavid Walter Seikel2012-01-04 18:41:13 +1000
commitdd7595a3475407a7fa96a97393bae8c5220e8762 (patch)
treee341e911d7eb911a51684a7412ef7f7c7605d28e /libraries/edje/src/examples/edje-basic.c
parentAdd the skeleton. (diff)
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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-basic.c226
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diff --git a/libraries/edje/src/examples/edje-basic.c b/libraries/edje/src/examples/edje-basic.c
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+++ b/libraries/edje/src/examples/edje-basic.c
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1/**
2 * Simple Edje example illustrating the very basic functions of the
3 * library
4 *
5 * You'll need at least one Evas engine built for it (excluding the
6 * buffer one). See stdout/stderr for output.
7 *
8 * @verbatim
9 * gcc -o edje-basic edje-basic.c `pkg-config --libs --cflags evas ecore ecore-evas edje`
10 * @endverbatim
11 */
12
13#ifdef HAVE_CONFIG_H
14#include "config.h"
15#else
16#define PACKAGE_EXAMPLES_DIR "."
17#define __UNUSED__
18#endif
19
20#include <Ecore.h>
21#include <Ecore_Evas.h>
22#include <Edje.h>
23#include <stdio.h>
24
25#define WIDTH (300)
26#define HEIGHT (300)
27
28static const char *border_img_path = PACKAGE_EXAMPLES_DIR "/red.png";
29static const char *edje_file_path = PACKAGE_EXAMPLES_DIR "/basic.edj";
30
31static Ecore_Evas *ee;
32static Evas_Object *edje_obj;
33
34static const char commands[] = \
35 "commands are:\n"
36 "\ts - change Edje's global scaling factor\n"
37 "\tr - change center rectangle's scaling factor\n"
38 "\th - print help\n";
39
40static void
41_on_keydown(void *data __UNUSED__,
42 Evas *evas __UNUSED__,
43 Evas_Object *o __UNUSED__,
44 void *einfo)
45{
46 Evas_Event_Key_Down *ev = einfo;
47
48 if (strcmp(ev->keyname, "h") == 0) /* print help */
49 {
50 fprintf(stdout, commands);
51 return;
52 }
53
54 if (strcmp(ev->keyname, "s") == 0) /* global scaling factor */
55 {
56 double scale = edje_scale_get();
57
58 printf("got scale %f\n", scale);
59
60 if (scale != 1.0) scale = 1.0;
61 else scale = 2.0;
62
63 edje_scale_set(scale);
64
65 fprintf(stdout, "Setting global scaling factor to %f.\n", scale);
66
67 return;
68 }
69
70 if (strcmp(ev->keyname, "r") == 0) /* individual scaling factor */
71 {
72 double scale = edje_object_scale_get(edje_obj);
73
74 printf("got scale %f\n", scale);
75
76 if (!scale) scale = 1.0;
77 else if (scale == 1.0) scale = 2.0;
78 else scale = 0.0;
79
80 edje_object_scale_set(edje_obj, scale);
81
82 fprintf(stdout, "Setting center rectangle's scaling factor to %f.\n",
83 scale);
84
85 return;
86 }
87}
88
89static void
90_on_delete(Ecore_Evas *ee __UNUSED__)
91{
92 ecore_main_loop_quit();
93}
94
95int
96main(void)
97{
98 Evas_Object *border, *bg;
99 int x, y, w, h;
100 Evas *evas;
101
102 if (!ecore_evas_init())
103 return EXIT_FAILURE;
104
105 if (!edje_init())
106 return EXIT_FAILURE;
107
108 /* this will give you a window with an Evas canvas under the first
109 * engine available */
110 ee = ecore_evas_new(NULL, 0, 0, WIDTH, HEIGHT, NULL);
111 if (!ee)
112 goto error;
113
114 ecore_evas_callback_delete_request_set(ee, _on_delete);
115 ecore_evas_title_set(ee, "Edje Basics Example");
116 ecore_evas_show(ee);
117
118 evas = ecore_evas_get(ee);
119
120 bg = evas_object_rectangle_add(evas);
121 evas_object_color_set(bg, 255, 255, 255, 255); /* white bg */
122 evas_object_move(bg, 0, 0); /* at canvas' origin */
123 evas_object_resize(bg, WIDTH, HEIGHT); /* covers full canvas */
124 evas_object_show(bg);
125 ecore_evas_object_associate(ee, bg, ECORE_EVAS_OBJECT_ASSOCIATE_BASE);
126
127 evas_object_focus_set(bg, EINA_TRUE);
128 evas_object_event_callback_add(
129 bg, EVAS_CALLBACK_KEY_DOWN, _on_keydown, NULL);
130
131 edje_obj = edje_object_add(evas);
132
133 /* exercising Edje loading error, on purpose */
134 if (!edje_object_file_set(edje_obj, edje_file_path, "unexistant_group"))
135 {
136 int err = edje_object_load_error_get(edje_obj);
137 const char *errmsg = edje_load_error_str(err);
138 fprintf(stderr, "Could not load 'unexistant_group' from basic.edj:"
139 " %s\n", errmsg);
140 }
141
142 if (!edje_object_file_set(edje_obj, edje_file_path, "example_group"))
143 {
144 int err = edje_object_load_error_get(edje_obj);
145 const char *errmsg = edje_load_error_str(err);
146 fprintf(stderr, "Could not load 'example_group' from basic.edj: %s\n",
147 errmsg);
148
149 evas_object_del(edje_obj);
150 goto error_edj;
151 }
152
153 fprintf(stdout, "Loaded Edje object bound to group 'example_group' from"
154 " file basic.edj with success!\n");
155
156 evas_object_move(edje_obj, 20, 20);
157 evas_object_resize(edje_obj, WIDTH - 40, HEIGHT - 40);
158 evas_object_show(edje_obj);
159
160 /* this is a border around the Edje object above, here just to
161 * emphasize its geometry */
162 border = evas_object_image_filled_add(evas);
163 evas_object_image_file_set(border, border_img_path, NULL);
164 evas_object_image_border_set(border, 2, 2, 2, 2);
165 evas_object_image_border_center_fill_set(border, EVAS_BORDER_FILL_NONE);
166
167 evas_object_resize(border, WIDTH - 40 + 4, HEIGHT - 40 + 4);
168 evas_object_move(border, 20 - 2, 20 - 2);
169 evas_object_show(border);
170
171 fprintf(stdout, "'example_data' data field in group 'example_group' has "
172 "the value: %s\n", edje_object_data_get(edje_obj,
173 "example_data"));
174
175 fprintf(stdout, "Testing if 'part_one' part exists: %s\n",
176 edje_object_part_exists(edje_obj, "part_one") ? "yes!" : "no");
177
178 edje_object_part_geometry_get(edje_obj, "part_one", &x, &y, &w, &h);
179 fprintf(stdout, "The geometry of that part inside the Edje object's area "
180 "is: x = %d, y = %d, w = %d, h = %d\n", x, y, w, h);
181
182 evas_object_color_get(edje_object_part_object_get(edje_obj, "part_one"),
183 &x, &y, &w, &h);
184 fprintf(stdout, "That part's color components are: r = %d, g = %d, b = %d,"
185 " a = %d\n", x, y, w, h);
186
187 edje_object_size_max_get(edje_obj, &w, &h);
188 fprintf(stdout, "The Edje object's max. size is: %d, %d\n", w, h);
189
190 edje_object_size_min_get(edje_obj, &w, &h);
191 fprintf(stdout, "The Edje object's min. size is: %d, %d\n", w, h);
192
193 edje_object_size_min_calc(edje_obj, &w, &h);
194 fprintf(stdout, "The Edje object's min. size reported by min. size"
195 " calculation is: w = %d, h = %d\n", w, h);
196
197 edje_object_size_min_restricted_calc(edje_obj, &w, &h, 500, 500);
198 fprintf(stdout, "The Edje object's min. size reported by *restricted* "
199 "min. size calculation is: w = %d, h = %d\n", w, h);
200
201 edje_object_parts_extends_calc(edje_obj, &x, &y, &w, &h);
202 fprintf(stdout, "The Edje object's \"extended\" geometry is: x = %d, "
203 "y = %d, w = %d, h = %d\n", x, y, w, h);
204
205 fprintf(stdout, commands);
206 ecore_main_loop_begin();
207
208 ecore_evas_free(ee);
209 ecore_evas_shutdown();
210 edje_shutdown();
211 return 0;
212
213error:
214 fprintf(stderr, "You got to have at least one evas engine built"
215 " and linked up to ecore-evas for this example to run"
216 " properly.\n");
217 ecore_evas_shutdown();
218 return -1;
219
220error_edj:
221 fprintf(stderr, "Failed to load basic.edj!\n");
222
223 ecore_evas_shutdown();
224 return -2;
225}
226