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/**
* 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"
#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_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;
}
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