src/modules/comp/e_mod_comp_wl_input.c

   1 #include "e.h"
   2 #include "e_mod_main.h"
   3 #ifdef HAVE_WAYLAND_CLIENTS
   4 # include "e_mod_comp_wl.h"
   5 # include "e_mod_comp_wl_input.h"
   6 #endif
   7
   8 /* local function prototypes */
   9 static void _e_mod_comp_wl_input_bind(struct wl_client *client, void *data, uint32_t version __UNUSED__, uint32_t id);
  10 static void _e_mod_comp_wl_input_unbind(struct wl_resource *resource);
  11 static void _e_mod_comp_wl_input_attach(struct wl_client *client, struct wl_resource *resource, uint32_t timestamp, struct wl_resource *buffer_resource __UNUSED__, int32_t x, int32_t y);
  12
  13 /* wayland interfaces */
  14 static const struct wl_input_device_interface _wl_input_interface =
  15 {
  16    _e_mod_comp_wl_input_attach,
  17 };
  18
  19 /* private variables */
  20 static Wayland_Input *_wl_input;
  21
  22 Eina_Bool
  23 e_mod_comp_wl_input_init(void)
  24 {
  25    LOGFN(__FILE__, __LINE__, __FUNCTION__);
  26
  27    if (!(_wl_input = malloc(sizeof(Wayland_Input))))
  28      {
  29         EINA_LOG_ERR("Could not allocate space for input\n");
  30         return EINA_FALSE;
  31      }
  32
  33    memset(_wl_input, 0, sizeof(*_wl_input));
  34
  35    wl_input_device_init(&_wl_input->input_device);
  36    if (!wl_display_add_global(_wl_disp, &wl_input_device_interface, _wl_input,
  37                          _e_mod_comp_wl_input_bind))
  38      {
  39         EINA_LOG_ERR("Failed to add input to wayland\n");
  40         free(_wl_input);
  41         return EINA_FALSE;
  42      }
  43
  44    _wl_input->hotspot_x = 16;
  45    _wl_input->hotspot_y = 16;
  46
  47    return EINA_TRUE;
  48 }
  49
  50 void
  51 e_mod_comp_wl_input_shutdown(void)
  52 {
  53    LOGFN(__FILE__, __LINE__, __FUNCTION__);
  54
  55    if (!_wl_input) return;
  56    wl_input_device_release(&_wl_input->input_device);
  57    free(_wl_input);
  58 }
  59
  60 Wayland_Input *
  61 e_mod_comp_wl_input_get(void)
  62 {
  63    return _wl_input;
  64 }
  65
  66 /* local functions */
  67 static void
  68 _e_mod_comp_wl_input_bind(struct wl_client *client, void *data, uint32_t version __UNUSED__, uint32_t id)
  69 {
  70    struct wl_input_device *device;
  71    struct wl_resource *resource;
  72
  73    LOGFN(__FILE__, __LINE__, __FUNCTION__);
  74
  75    device = data;
  76    resource =
  77      wl_client_add_object(client, &wl_input_device_interface,
  78                           &_wl_input_interface, id, data);
  79    wl_list_insert(&device->resource_list, &resource->link);
  80    resource->destroy = _e_mod_comp_wl_input_unbind;
  81 }
  82
  83 static void
  84 _e_mod_comp_wl_input_unbind(struct wl_resource *resource)
  85 {
  86    LOGFN(__FILE__, __LINE__, __FUNCTION__);
  87
  88    wl_list_remove(&resource->link);
  89    free(resource);
  90 }
  91
  92 static void
  93 _e_mod_comp_wl_input_attach(struct wl_client *client, struct wl_resource *resource, uint32_t timestamp, struct wl_resource *buffer_resource __UNUSED__, int32_t x, int32_t y)
  94 {
  95    Wayland_Input *wi;
  96
  97    LOGFN(__FILE__, __LINE__, __FUNCTION__);
  98
  99    wi = resource->data;
 100    if (timestamp < wi->input_device.pointer_focus_time) return;
 101    if (!wi->input_device.pointer_focus) return;
 102    if (wi->input_device.pointer_focus->resource.client != client) return;
 103    wi->hotspot_x = x;
 104    wi->hotspot_y = y;
 105 }