src/libds/touch.c

   1 #include <stdlib.h>
   2 #include <wayland-server.h>
   3 #include "libds/interfaces/touch.h"
   4
   5 void
   6 ds_touch_init(struct ds_touch *touch,
   7         const struct ds_touch_interface *iface)
   8 {
   9     touch->iface = iface;
  10
  11     wl_signal_init(&touch->events.down);
  12     wl_signal_init(&touch->events.up);
  13     wl_signal_init(&touch->events.motion);
  14     wl_signal_init(&touch->events.frame);
  15 }
  16
  17 void
  18 ds_touch_destroy(struct ds_touch *touch)
  19 {
  20     if (!touch)
  21         return;
  22
  23     if (touch->iface && touch->iface->destroy)
  24         touch->iface->destroy(touch);
  25     else
  26         free(touch);
  27 }
  28
  29 WL_EXPORT void
  30 ds_touch_add_down_listener(struct ds_touch *touch,
  31         struct wl_listener *listener)
  32 {
  33     wl_signal_add(&touch->events.down, listener);
  34 }
  35
  36 WL_EXPORT void
  37 ds_touch_add_up_listener(struct ds_touch *touch,
  38         struct wl_listener *listener)
  39 {
  40     wl_signal_add(&touch->events.up, listener);
  41 }
  42
  43 WL_EXPORT void
  44 ds_touch_add_motion_listener(struct ds_touch *touch,
  45         struct wl_listener *listener)
  46 {
  47     wl_signal_add(&touch->events.motion, listener);
  48 }
  49
  50 WL_EXPORT void
  51 ds_touch_add_frame_listener(struct ds_touch *touch,
  52         struct wl_listener *listener)
  53 {
  54     wl_signal_add(&touch->events.frame, listener);
  55 }