1 /**
2  * Edje example demonstrating how to deal with part and objects focus.
3  *
4  * @verbatim
5  * edje_cc focus.edc && gcc -o edje-focus edje-focus.c `pkg-config --libs --cflags evas ecore ecore-evas edje`
6  * @endverbatim
7  */
8 
9 #ifdef HAVE_CONFIG_H
10 # include "config.h"
11 #else
12 # define EINA_UNUSED
13 #endif
14 
15 #ifndef PACKAGE_DATA_DIR
16 #define PACKAGE_DATA_DIR "."
17 #endif
18 
19 #include <Ecore.h>
20 #include <Ecore_Evas.h>
21 #include <Edje.h>
22 
23 #define WIDTH 400
24 #define HEIGHT 400
25 
26 static const char *GROUPNAME = "example/main";
27 static const char *EDJE_FILE = PACKAGE_DATA_DIR"/multiseat_custom_names.edj";
28 
29 static Efl_Input_Device *default_seat = NULL;
30 static Efl_Input_Device *secondary_seat = NULL;
31 
32 static void
_on_destroy(Ecore_Evas * ee EINA_UNUSED)33 _on_destroy(Ecore_Evas *ee EINA_UNUSED)
34 {
35    ecore_main_loop_quit();
36 }
37 
38 static void
_on_canvas_resize(Ecore_Evas * ee)39 _on_canvas_resize(Ecore_Evas *ee)
40 {
41    Evas_Object *edje_obj;
42    int w, h;
43 
44    edje_obj = ecore_evas_data_get(ee, "edje_obj");
45 
46    ecore_evas_geometry_get(ee, NULL, NULL, &w, &h);
47    evas_object_resize(edje_obj, w, h);
48 }
49 
50 static void
_device_rename(Efl_Input_Device * dev)51 _device_rename(Efl_Input_Device *dev)
52 {
53    if (!default_seat) {
54        default_seat = dev;
55        efl_name_set(dev, "default");
56        return;
57    }
58 
59    if (!secondary_seat) {
60        secondary_seat = dev;
61        efl_name_set(dev, "secondary");
62    }
63 }
64 
65 static void
_device_added(void * data EINA_UNUSED,const Efl_Event * event)66 _device_added(void *data EINA_UNUSED, const Efl_Event *event)
67 {
68    Efl_Input_Device *dev = event->info;
69 
70    if (efl_input_device_type_get(dev) != EFL_INPUT_DEVICE_TYPE_SEAT)
71      return;
72    _device_rename(dev);
73 }
74 
75 static void
_device_changed(void * data EINA_UNUSED,const Efl_Event * event)76 _device_changed(void *data EINA_UNUSED, const Efl_Event *event)
77 {
78    Efl_Input_Device *dev = event->info;
79 
80    if (dev == default_seat)
81      efl_name_set(dev, "default");
82    else if (dev == secondary_seat)
83      efl_name_set(dev, "secondary");
84 }
85 
86 int
main(int argc EINA_UNUSED,char * argv[]EINA_UNUSED)87 main(int argc EINA_UNUSED, char *argv[] EINA_UNUSED)
88 {
89    const Eina_List *devices, *l;
90    Efl_Input_Device *dev;
91    Evas_Object *edje_obj;
92    Ecore_Evas *ee;
93    Evas *evas;
94 
95    if (!ecore_evas_init())
96      return EXIT_FAILURE;
97 
98    if (!edje_init())
99      goto shutdown_ecore_evas;
100 
101    ee = ecore_evas_new(NULL, 0, 0, WIDTH, HEIGHT, NULL);
102    if (!ee) goto shutdown_edje;
103 
104    ecore_evas_callback_destroy_set(ee, _on_destroy);
105    ecore_evas_callback_resize_set(ee, _on_canvas_resize);
106    ecore_evas_title_set(ee, "Edje Focus Example");
107 
108    evas = ecore_evas_get(ee);
109 
110    edje_obj = edje_object_add(evas);
111 
112    if (!edje_object_file_set(edje_obj, EDJE_FILE, GROUPNAME))
113      printf("failed to set file %s.\n", EDJE_FILE);
114 
115    evas_object_move(edje_obj, 0, 0);
116    evas_object_resize(edje_obj, WIDTH, HEIGHT);
117    evas_object_show(edje_obj);
118    ecore_evas_data_set(ee, "edje_obj", edje_obj);
119 
120    devices = evas_device_list(evas, NULL);
121    EINA_LIST_FOREACH(devices, l, dev)
122      {
123         if (efl_input_device_type_get(dev) == EFL_INPUT_DEVICE_TYPE_SEAT)
124           _device_rename(dev);
125      }
126    efl_event_callback_add(evas, EFL_CANVAS_SCENE_EVENT_DEVICE_ADDED,
127                           _device_added, NULL);
128    efl_event_callback_add(evas, EFL_CANVAS_SCENE_EVENT_DEVICE_CHANGED,
129                           _device_changed, NULL);
130 
131    printf("Running example on evas engine %s\n",
132           ecore_evas_engine_name_get(ee));
133 
134    ecore_evas_show(ee);
135 
136    ecore_main_loop_begin();
137 
138    ecore_evas_free(ee);
139    ecore_evas_shutdown();
140    edje_shutdown();
141 
142    return EXIT_SUCCESS;
143 
144 shutdown_edje:
145    edje_shutdown();
146 shutdown_ecore_evas:
147    ecore_evas_shutdown();
148 
149    return EXIT_FAILURE;
150 }
151