225 lines
6.9 KiB
C
225 lines
6.9 KiB
C
typedef struct _Ecore_Fb_Ps2_Event Ecore_Fb_Ps2_Event;
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struct _Ecore_Fb_Ps2_Event
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{
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unsigned char button;
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unsigned char x;
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unsigned char y;
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unsigned char z;
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};
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static int _ecore_fb_ps2_event_byte_count = 0;
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static Ecore_Fb_Ps2_Event _ecore_fb_ps2_event;
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static int _ecore_fb_ps2_fd = 0;
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static Eina_Bool _ecore_fb_ps2_fd_handler(void *data, Ecore_Fd_Handler *fd_handler);
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int
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ecore_fb_ps2_init(void)
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{
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_ecore_fb_ps2_fd = open("/dev/psaux", O_RDWR);
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if (_ecore_fb_ps2_fd >= 0)
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{
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prev_flags = fcntl(_ecore_fb_ps2_fd, F_GETFL);
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fcntl(_ecore_fb_ps2_fd, F_SETFL, prev_flags | O_NONBLOCK);
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_ecore_fb_ts_fd_handler_handle = ecore_main_fd_handler_add(_ecore_fb_ps2_fd,
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ECORE_FD_READ,
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_ecore_fb_ps2_fd_handler, NULL, NULL, NULL);
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if (!_ecore_fb_ts_fd_handler_handle)
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{
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close(_ecore_fb_ps2_fd);
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return 0;
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}
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return 1;
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}
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return 0;
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}
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void
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ecore_fb_ps2_shutdown(void)
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{
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if (_ecore_fb_ps2_fd > 0) close(_ecore_fb_ps2_fd);
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_ecore_fb_ps2_fd = 0;
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}
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static Eina_Bool
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_ecore_fb_ps2_fd_handler(void *data EINA_UNUSED, Ecore_Fd_Handler *fd_handler EINA_UNUSED)
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{
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static int prev_x = 0, prev_y = 0, prev_button = 0;
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static double last_time = 0;
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static double last_last_time = 0;
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int v = 0;
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do
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{
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int x, y, button, i;
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int num;
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char *ptr;
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double t;
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static int did_double = 0;
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static int did_triple = 0;
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ptr = (char *)&(_ecore_fb_ps2_event);
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ptr += _ecore_fb_ps2_event_byte_count;
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num = sizeof(Ecore_Fb_Ps2_Event) - _ecore_fb_ps2_event_byte_count;
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v = read(_ecore_fb_ps2_fd, ptr, num);
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if (v < 0) return EINA_TRUE;
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_ecore_fb_ps2_event_byte_count += v;
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if (v < num) return EINA_TRUE;
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t = ecore_loop_time_get();
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_ecore_fb_ps2_event_byte_count = 0;
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if (_ecore_fb_ps2_event.button & 0x10)
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x = prev_x + (0xffffff00 | _ecore_fb_ps2_event.x);
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else
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x = prev_x + _ecore_fb_ps2_event.x;
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if (_ecore_fb_ps2_event.button & 0x20)
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y = prev_y - (0xffffff00 | _ecore_fb_ps2_event.y);
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else
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y = prev_y - _ecore_fb_ps2_event.y;
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button = _ecore_fb_ps2_event.button & 0x7;
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if (x < 0) x = 0;
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if (y < 0) y = 0;
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if (x >= _ecore_fb_console_w) x = _ecore_fb_console_w - 1;
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if (y >= _ecore_fb_console_h) y = _ecore_fb_console_h - 1;
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/* add event to queue */
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/* always add a move event */
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if (1)
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{
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/* MOVE: mouse is down and was */
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Ecore_Event_Mouse_Move *e;
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e = calloc(1, sizeof(Ecore_Fb_Event_Mouse_Move));
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if (!e) goto retry;
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e->x = x;
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e->y = y;
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e->root.x = e->x;
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e->root.y = e->y;
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e->window = 1;
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e->event_window = e->window;
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e->root_window = e->window;
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e->same_screen = 1;
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e->timestamp = ecore_loop_time_get() * 1000.0;
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ecore_event_add(ECORE_EVENT_MOUSE_MOVE, e, NULL, NULL);
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}
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for (i = 1; i <= 3; i++)
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{
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int mask;
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mask = 1 << (i - 1);
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if (((button & mask)) && (!(prev_button & mask)))
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{
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/* DOWN: mouse is down, but was not now */
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Ecore_Event_Mouse_Button *e;
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e = calloc(1, sizeof(Ecore_Event_Mouse_Button));
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if (!e) goto retry;
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e->x = x;
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e->y = y;
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e->root.x = e->x;
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e->root.y = e->y;
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e->button = i;
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e->window = 1;
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e->event_window = e->window;
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e->root_window = e->window;
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e->same_screen = 1;
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if ((t - last_time) <= _ecore_fb_double_click_time)
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{
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e->double_click = 1;
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did_double = 1;
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}
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else
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{
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did_double = 0;
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did_triple = 0;
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}
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if ((t - last_last_time) <= (2 * _ecore_fb_double_click_time))
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{
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did_triple = 1;
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e->triple_click = 1;
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}
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else
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{
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did_triple = 0;
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}
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e->timestamp = ecore_loop_time_get() * 1000.0;
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ecore_event_add(ECORE_EVENT_MOUSE_BUTTON_DOWN, e, NULL, NULL);
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}
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else if ((!(button & mask)) && ((prev_button & mask)))
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{
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/* UP: mouse was down, but is not now */
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Ecore_Event_Mouse_Button *e;
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e = calloc(1, sizeof(Ecore_Event_Mouse_Button));
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if (!e) goto retry;
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e->x = x;
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e->y = y;
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e->root.x = e->x;
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e->root.y = e->y;
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e->button = i;
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e->window = 1;
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e->event_window = e->window;
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e->root_window = e->window;
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e->same_screen = 1;
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if (did_double)
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e->double_click = 1;
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if (did_triple)
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e->triple_click = 1;
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e->timestamp = ecore_loop_time_get() * 1000.0;
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ecore_event_add(ECORE_EVENT_MOUSE_BUTTON_UP, e, NULL, NULL);
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}
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}
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if (did_triple)
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{
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last_time = 0;
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last_last_time = 0;
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}
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else
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{
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last_last_time = last_time;
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last_time = t;
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}
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retry:
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prev_x = x;
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prev_y = y;
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prev_button = button;
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}
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while (v > 0);
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return EINA_TRUE;
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}
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/**
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* @defgroup Ecore_FB_Click_Group Framebuffer Double Click Functions
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* @ingroup Ecore_FB_Group
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*
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* Functions that deal with the double click time of the framebuffer.
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*/
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/**
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* Sets the timeout for a double and triple clicks to be flagged.
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*
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* This sets the time between clicks before the double_click flag is
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* set in a button down event. If 3 clicks occur within double this
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* time, the triple_click flag is also set.
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*
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* @param t The time in seconds
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* @ingroup Ecore_FB_Click_Group
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*/
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EAPI void
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ecore_fb_double_click_time_set(double t)
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{
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if (t < 0.0) t = 0.0;
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_ecore_fb_double_click_time = t;
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}
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/**
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* Retrieves the double and triple click flag timeout.
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*
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* See @ref ecore_x_double_click_time_set for more information.
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*
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* @return The timeout for double clicks in seconds.
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* @ingroup Ecore_FB_Click_Group
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*/
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EAPI double
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ecore_fb_double_click_time_get(void)
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{
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return _ecore_fb_double_click_time;
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}
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