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examples/unsorted/ecore/ecore_evas_vnc_example.c

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#define EFL_BETA_API_SUPPORT
#include <Efl.h>
#include <stdio.h>
#include <Ecore.h>
#include <Evas.h>
#include <Eina.h>
#include <Ecore_Evas.h>
#include <Ecore_Input.h>
#include <Ecore_Getopt.h>
static int width = 800;
static void
_resize_cb(Ecore_Evas *ee)
{
Evas_Object *vnc;
int w = 0, h = 0;
ecore_evas_geometry_get(ee, NULL, NULL, &w, &h);
fprintf(stderr, "resizing [%i, %i]\n", w, h);
vnc = ecore_evas_data_get(ee, "vnc");
evas_object_resize(vnc, w, h);
}
static Eina_Bool
_anim(void *data)
{
static enum { RIGHT, LEFT } direction = LEFT;
static const int speed = 20;
int x, y;
Evas_Object *rect = data;
evas_object_geometry_get(rect, &x, &y, NULL, NULL);
if (direction == LEFT)
{
x -= speed;
if (x <= 0)
{
x = 0;
direction = RIGHT;
}
}
else
{
x += speed;
if (x >= width)
{
direction = LEFT;
x = width;
}
}
evas_object_move(rect, x, y);
return ECORE_CALLBACK_RENEW;
}
static Eina_Bool
_accept_cb(void *data EINA_UNUSED, Ecore_Evas *ee EINA_UNUSED, const char *client_host)
{
printf("Client %s trying to connect\n", client_host);
return EINA_TRUE;
}
static void
_disc_cb(void *data EINA_UNUSED, Ecore_Evas *ee EINA_UNUSED, const char *client_host)
{
printf("Client %s disconnected\n", client_host);
}
static Eina_Bool
_keyboard_event(void *data EINA_UNUSED, int type, void *event)
{
Ecore_Event_Key *e = event;
Efl_Input_Device *seat = NULL;
if (e->dev)
seat = efl_input_device_seat_get(e->dev);
printf("The keyboard on seat '%s' %s the key '%s'\n", seat ?
efl_name_get(seat) : "default",
type == ECORE_EVENT_KEY_DOWN ? "pressed" : "released",
e->keyname);
return ECORE_CALLBACK_PASS_ON;
}
static Eina_Bool
_mouse_move(void *data EINA_UNUSED, int type EINA_UNUSED, void *event)
{
Ecore_Event_Mouse_Move *e = event;
Efl_Input_Device *seat = NULL;
if (e->dev)
seat = efl_input_device_seat_get(e->dev);
printf("The mouse on seat '%s' is at X: %d Y:%d\n",
seat ? efl_name_get(seat) : "default", e->x, e->y);
return ECORE_CALLBACK_PASS_ON;
}
static Eina_Bool
_mouse_button(void *data EINA_UNUSED, int type, void *event)
{
Ecore_Event_Mouse_Button *e = event;
Efl_Input_Device *seat = NULL;
if (e->dev)
seat = efl_input_device_seat_get(e->dev);
printf("The mouse on seat '%s' %s the following button '%d'\n",
seat ? efl_name_get(seat) : "default",
type == ECORE_EVENT_MOUSE_BUTTON_DOWN ? "pressed" : "released",
e->buttons);
return ECORE_CALLBACK_PASS_ON;
}
static Eina_Bool
_mouse_wheel(void *data EINA_UNUSED, int type EINA_UNUSED, void *event)
{
Ecore_Event_Mouse_Wheel *e = event;
Efl_Input_Device *seat = NULL;
if (e->dev)
seat = efl_input_device_seat_get(e->dev);
printf("The mouse on seat '%s' moved the wheel '%s'\n",
seat ? efl_name_get(seat) : "default",
e->z < 0 ? "up" : "down");
return ECORE_CALLBACK_PASS_ON;
}
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
_dev_added_or_removed(void *data EINA_UNUSED, const Efl_Event *event)
{
Efl_Input_Device *dev = event->info;
printf("The device '%s' - class: '%s' - description: '%s' was '%s'\n",
efl_name_get(dev),
_device_type_to_string(efl_input_device_type_get(dev)),
efl_comment_get(dev),
event->desc == EFL_CANVAS_SCENE_EVENT_DEVICE_ADDED ? "added" : "removed");
if (efl_input_device_type_get(dev) == EFL_INPUT_DEVICE_TYPE_SEAT)
_seat_children_print(dev);
}
int
main(int argc, char *argv[])
{
Ecore_Evas *ee;
Evas *evas;
Evas_Object *bg, *rect;
Ecore_Animator *animator;
Evas_Object *vnc;
Ecore_Event_Handler *keydown_handler, *keyup_handler, *mouse_move,
*mouse_down, *mouse_up, *mouse_wheel;
char *engine = "software_x11";
int args, height = 600;
Eina_Bool quit_option = EINA_FALSE;
static const Ecore_Getopt options = {
"ecore_evas_vnc_example",
NULL,
"0.1",
"(C) 2016 Enlightenment Project",
"BSD 2-Clause",
"Ecore_Evas VNC example.\n",
EINA_TRUE,
{
ECORE_GETOPT_STORE_DEF_STR('e', "engine", "The engine backend", "software_x11"),
ECORE_GETOPT_STORE_DEF_INT('w', "width", "The window width", 800),
ECORE_GETOPT_STORE_DEF_INT('h', "height", "The window height", 600),
ECORE_GETOPT_VERSION('v', "version"),
ECORE_GETOPT_COPYRIGHT('c', "copyright"),
ECORE_GETOPT_LICENSE('k', "license"),
ECORE_GETOPT_HELP('H', "help"),
ECORE_GETOPT_SENTINEL
}
};
Ecore_Getopt_Value values[] = {
ECORE_GETOPT_VALUE_STR(engine),
ECORE_GETOPT_VALUE_INT(width),
ECORE_GETOPT_VALUE_INT(height),
ECORE_GETOPT_VALUE_BOOL(quit_option),
ECORE_GETOPT_VALUE_BOOL(quit_option),
ECORE_GETOPT_VALUE_BOOL(quit_option),
ECORE_GETOPT_VALUE_BOOL(quit_option),
ECORE_GETOPT_VALUE_NONE
};
ecore_evas_init();
args = ecore_getopt_parse(&options, values, argc, argv);
if (args < 0)
{
fprintf(stderr, "Could not parse command line options.\n");
return -1;
}
if (quit_option) return 0;
printf("Using engine '%s'. Width: %d - Height: %d\n", engine, width, height);
ee = ecore_evas_new(engine, 0, 0, width, height, NULL);
if (!ee)
{
fprintf(stderr, "Could not create the ecore evas\n");
return -1;
}
evas = ecore_evas_get(ee);
bg = evas_object_rectangle_add(evas);
evas_object_color_set(bg, 255, 255, 255, 255);
evas_object_move(bg, 0, 0);
evas_object_resize(bg, width, height);
evas_object_show(bg);
rect = evas_object_rectangle_add(evas);
evas_object_color_set(rect, 0, 255, 0, 255);
evas_object_resize(rect, 50, 50);
evas_object_move(rect, (width - 50) /2, (height - 50)/2);
evas_object_show(rect);
animator = ecore_animator_add(_anim, rect);
ecore_evas_show(ee);
vnc = ecore_evas_vnc_start(ee, "localhost", -1, _accept_cb, _disc_cb, NULL);
ecore_evas_data_set(ee, "vnc", vnc);
ecore_evas_callback_resize_set(ee, _resize_cb);
evas_object_resize(vnc, width, height);
evas_object_show(vnc);
if (!vnc)
{
fprintf(stderr, "Could not enable the VNC support!\n");
goto exit;
}
keydown_handler = ecore_event_handler_add(ECORE_EVENT_KEY_DOWN,
_keyboard_event, NULL);
keyup_handler = ecore_event_handler_add(ECORE_EVENT_KEY_UP,
_keyboard_event, NULL);
mouse_move = ecore_event_handler_add(ECORE_EVENT_MOUSE_MOVE, _mouse_move,
NULL);
mouse_up = ecore_event_handler_add(ECORE_EVENT_MOUSE_BUTTON_UP,
_mouse_button, NULL);
mouse_down = ecore_event_handler_add(ECORE_EVENT_MOUSE_BUTTON_DOWN,
_mouse_button, NULL);
mouse_wheel = ecore_event_handler_add(ECORE_EVENT_MOUSE_WHEEL,
_mouse_wheel, NULL);
_seat_children_print(evas_default_device_get(evas, EFL_INPUT_DEVICE_TYPE_SEAT));
efl_event_callback_add(evas, EFL_CANVAS_SCENE_EVENT_DEVICE_ADDED,
_dev_added_or_removed, NULL);
efl_event_callback_add(evas, EFL_CANVAS_SCENE_EVENT_DEVICE_REMOVED,
_dev_added_or_removed, NULL);
ecore_main_loop_begin();
ecore_event_handler_del(mouse_wheel);
ecore_event_handler_del(keydown_handler);
ecore_event_handler_del(keyup_handler);
ecore_event_handler_del(mouse_move);
ecore_event_handler_del(mouse_up);
ecore_event_handler_del(mouse_down);
exit:
ecore_evas_free(ee);
ecore_animator_del(animator);
ecore_evas_shutdown();
return 0;
}
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