summaryrefslogtreecommitdiff
path: root/unsorted/ecore/ecore_evas_cursor_example.c
blob: a0f6413a88bca1e4cfb8e74823d58df6ee7e7772 (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
/**
 * Ecore Evas example illustrating how to set a new cursor image for a pointer device.
 *
 * @verbatim
 * gcc -o ecore_evas_cursor_example ecore_evas_cursor_example.c `pkg-config --libs --cflags evas ecore ecore-evas`
 * @endverbatim
 */
#ifdef HAVE_CONFIG_H
#include "config.h"
#else
#define EFL_BETA_API_SUPPORT
#endif

#include <Ecore.h>
#include <Ecore_Evas.h>
#include <Evas.h>

#include <stdlib.h>
#include <string.h>
#include <time.h>

#define W (200)
#define H (200)
#define TIMEOUT (1.0)

static void
_delete_request_cb(Ecore_Evas *ee EINA_UNUSED)
{
   ecore_main_loop_quit();
}

static void
_resize_cb(Ecore_Evas *ee)
{
   int w, h;

   ecore_evas_geometry_get(ee, NULL, NULL, &w, &h);
   evas_object_resize(ecore_evas_data_get(ee, "bg"), w, h);
}

static Eina_Bool
_mouse_pos_print(void *data)
{
   Efl_Input_Device *pointer;
   const Eina_List *devs, *l;

   devs = evas_device_list(ecore_evas_get(data), NULL);

   EINA_LIST_FOREACH(devs, l, pointer)
     {
        Evas_Coord x, y;
        Efl_Input_Device *seat;

        if (efl_input_device_type_get(pointer) != EFL_INPUT_DEVICE_TYPE_MOUSE)
          continue;
        ecore_evas_pointer_device_xy_get(data, pointer, &x, &y);
        seat = efl_input_device_seat_get(pointer);
        if (!seat)
          {
             fprintf(stderr, "Could not fetch the seat from mouse '%s'\n",
                     efl_name_get(pointer));
             continue;
          }
        printf("Mouse from seat '%s' is at (%d, %d)\n",
               efl_name_get(seat), x, y);
     }
   return EINA_TRUE;
}

static void
_cursor_set(Ecore_Evas *ee, Efl_Input_Device *pointer)
{
   Evas_Object *obj;

   obj = evas_object_rectangle_add(ecore_evas_get(ee));
   evas_object_color_set(obj, rand() % 256, rand() % 256, rand() % 256, 255);
   evas_object_resize(obj, 30, 30);
   evas_object_show(obj);
   ecore_evas_object_cursor_device_set(ee, pointer, obj, 0, 10, 10);
}

static const char *
_device_type_to_string(Efl_Input_Device_Type klass)
{
   switch (klass)
     {
      case EFL_INPUT_DEVICE_TYPE_NONE:
         return "None";
      case EFL_INPUT_DEVICE_TYPE_SEAT:
         return "Seat";
      case EFL_INPUT_DEVICE_TYPE_KEYBOARD:
         return "Keyboard";
      case EFL_INPUT_DEVICE_TYPE_MOUSE:
         return "Mouse";
      case EFL_INPUT_DEVICE_TYPE_TOUCH:
         return "Touch";
      case EFL_INPUT_DEVICE_TYPE_PEN:
         return "Pen";
      case EFL_INPUT_DEVICE_TYPE_WAND:
         return "Wand";
      case EFL_INPUT_DEVICE_TYPE_GAMEPAD:
         return "Gamepad";
      default:
         return "Unknown";
     }
}

static void
_seat_children_print(Efl_Input_Device *seat)
{
   Efl_Input_Device *child;
   Eina_Iterator *it;

   printf("Children of seat: %s (%s, seat id: %d)\n", efl_name_get(seat),
          _device_type_to_string(efl_input_device_type_get(seat)),
          efl_input_device_seat_id_get(seat));

   it = efl_input_device_children_iterate(seat);
   EINA_ITERATOR_FOREACH(it, child)
     {
        printf(" - Sub device: %s (%s, seat id: %d)\n", efl_name_get(child),
               _device_type_to_string(efl_input_device_type_get(child)),
               efl_input_device_seat_id_get(seat));
     }
   eina_iterator_free(it);
}

static void
_device_added(void *data, const Efl_Event *event)
{
   Efl_Input_Device *pointer = event->info;
   Efl_Input_Device *seat;

   if (efl_input_device_type_get(pointer) != EFL_INPUT_DEVICE_TYPE_MOUSE)
     return;
   seat = efl_input_device_seat_get(pointer);
   if (!seat)
     {
        fprintf(stderr, "Could not fetch the seat from pointer '%s'\n",
                efl_name_get(pointer));
        return;
     }
   printf("Setting cursor image at seat '%s'\n", efl_name_get(seat));
   _cursor_set(data, pointer);
   _seat_children_print(seat);
}

int
main(int argc EINA_UNUSED, char *argv[] EINA_UNUSED)
{
   const Eina_List *devs, *l;
   Efl_Input_Device *dev;
   Ecore_Evas *ee;
   Evas_Object *bg;
   Evas *e;
   Ecore_Timer *t;
   const char *driver;

   srand(time(NULL));
   if (!ecore_evas_init())
     {
        fprintf(stderr, "Could not init the Ecore Evas\n");
        return EXIT_FAILURE;
     }

   ee = ecore_evas_new(NULL, 0, 0, W, H, NULL);
   if (!ee)
     {
        fprintf(stderr, "Could not create the Ecore Evas\n");
        goto err_ee;
     }

   driver = ecore_evas_engine_name_get(ee);
   printf("Using driver %s\n", driver);
   if ((!strcmp(driver, "fb")  || !strcmp(driver, "software_x11")) &&
       !ecore_evas_vnc_start(ee, "localhost", -1, NULL, NULL, NULL))
     {
        fprintf(stderr, "Could not init the VNC server\n");
        goto err_ee;
     }

   e = ecore_evas_get(ee);
   bg = evas_object_rectangle_add(e);
   evas_object_resize(bg, W, H);
   evas_object_move(bg, 0, 0);
   evas_object_color_set(bg, 255, 255, 255, 255);
   evas_object_show(bg);
   ecore_evas_data_set(ee, "bg", bg);

   devs = evas_device_list(e, NULL);

   EINA_LIST_FOREACH(devs, l, dev)
     {
        switch (efl_input_device_type_get(dev))
          {
           case EFL_INPUT_DEVICE_TYPE_SEAT:
             _seat_children_print(dev);
             break;
           case EFL_INPUT_DEVICE_TYPE_MOUSE:
             _cursor_set(ee, dev);
             break;
           default: break;
          }
     }

   t = ecore_timer_add(TIMEOUT, _mouse_pos_print, ee);
   efl_event_callback_add(e, EFL_CANVAS_SCENE_EVENT_DEVICE_ADDED,
                          _device_added, ee);
   ecore_evas_callback_resize_set(ee, _resize_cb);
   ecore_evas_callback_delete_request_set(ee, _delete_request_cb);

   ecore_evas_show(ee);
   ecore_main_loop_begin();
   ecore_evas_free(ee);
   ecore_timer_del(t);
   ecore_evas_shutdown();
   return EXIT_SUCCESS;

 err_ee:
   ecore_evas_shutdown();
   return EXIT_FAILURE;
}