src/lib/ecore_x/xcb/ecore_xcb_gesture.c

   1 #include "ecore_xcb_private.h"
   2 #ifdef ECORE_XCB_XGESTURE
   3 # include <xcb/gesture.h>
   4 # include <xcb/xcb_event.h>
   5 #endif
   6
   7 /* local variables */
   8 static Eina_Bool _gesture_available = EINA_FALSE;
   9
  10 /* external variables */
  11 int _ecore_xcb_event_gesture = -1;
  12
  13 void
  14 _ecore_xcb_gesture_init(void)
  15 {
  16    LOGFN(__FILE__, __LINE__, __FUNCTION__);
  17
  18 #ifdef ECORE_XCB_XGESTURE
  19    xcb_prefetch_extension_data(_ecore_xcb_conn, &xcb_gesture_id);
  20 #endif
  21 }
  22
  23 void
  24 _ecore_xcb_gesture_finalize(void)
  25 {
  26 #ifdef ECORE_XCB_XGESTURE
  27    xcb_gesture_query_version_cookie_t cookie;
  28    xcb_gesture_query_version_reply_t *reply;
  29 #endif
  30
  31    LOGFN(__FILE__, __LINE__, __FUNCTION__);
  32
  33 #ifdef ECORE_XCB_XGESTURE
  34    cookie =
  35      xcb_gesture_query_version_unchecked(_ecore_xcb_conn);
  36    reply =
  37      xcb_gesture_query_version_reply(_ecore_xcb_conn, cookie, NULL);
  38    if (reply)
  39      {
  40         _gesture_available = EINA_TRUE;
  41         free(reply);
  42      }
  43
  44    if (_gesture_available)
  45      {
  46         const xcb_query_extension_reply_t *ext_reply;
  47
  48         ext_reply = xcb_get_extension_data(_ecore_xcb_conn, &xcb_gesture_id);
  49         if (ext_reply)
  50           _ecore_xcb_event_gesture = ext_reply->first_event;
  51      }
  52 #endif
  53 }
  54
  55 void
  56 _ecore_xcb_gesture_shutdown(void)
  57 {
  58    LOGFN(__FILE__, __LINE__, __FUNCTION__);
  59 }
  60
  61 EAPI Eina_Bool
  62 ecore_x_gesture_supported(void)
  63 {
  64    return _gesture_available;
  65 }
  66
  67 #ifdef ECORE_XCB_XGESTURE
  68 EAPI Eina_Bool
  69 ecore_x_gesture_events_select(Ecore_X_Window win,
  70                               Ecore_X_Gesture_Event_Mask mask)
  71 #else
  72 EAPI Eina_Bool
  73 ecore_x_gesture_events_select(Ecore_X_Window win EINA_UNUSED,
  74                               Ecore_X_Gesture_Event_Mask mask EINA_UNUSED)
  75 #endif
  76
  77 {
  78 #ifdef ECORE_XCB_XGESTURE
  79    if (!_gesture_available) return EINA_FALSE;
  80
  81    LOGFN(__FILE__, __LINE__, __FUNCTION__);
  82    CHECK_XCB_CONN
  83
  84    xcb_gesture_select_events(_ecore_xcb_conn, win, mask);
  85
  86    return EINA_TRUE;
  87 #else
  88    return EINA_FALSE;
  89 #endif
  90 }
  91
  92 #ifdef ECORE_XCB_XGESTURE
  93 EAPI Ecore_X_Gesture_Event_Mask
  94 ecore_x_gesture_events_selected_get(Ecore_X_Window win)
  95 #else
  96 EAPI Ecore_X_Gesture_Event_Mask
  97 ecore_x_gesture_events_selected_get(Ecore_X_Window win EINA_UNUSED)
  98 #endif
  99 {
 100 #ifdef ECORE_XCB_XGESTURE
 101    xcb_gesture_get_selected_events_cookie_t ecookie;
 102    xcb_gesture_get_selected_events_reply_t *ereply;
 103    Ecore_X_Gesture_Event_Mask mask = ECORE_X_GESTURE_EVENT_MASK_NONE;
 104
 105    if (!_gesture_available) return mask;
 106
 107    LOGFN(__FILE__, __LINE__, __FUNCTION__);
 108    CHECK_XCB_CONN
 109
 110    ecookie = xcb_gesture_get_selected_events(_ecore_xcb_conn, win);
 111    ereply =
 112      xcb_gesture_get_selected_events_reply(_ecore_xcb_conn, ecookie, NULL);
 113    if (ereply)
 114      {
 115         mask = ereply->mask;
 116          free(ereply);
 117      }
 118
 119    return mask;
 120 #else
 121    return ECORE_X_GESTURE_EVENT_MASK_NONE;
 122 #endif
 123 }
 124
 125 #ifdef ECORE_XCB_XGESTURE
 126 EAPI Eina_Bool
 127 ecore_x_gesture_event_grab(Ecore_X_Window win,
 128                            Ecore_X_Gesture_Event_Type type,
 129                            int num_fingers)
 130 #else
 131 EAPI Eina_Bool
 132 ecore_x_gesture_event_grab(Ecore_X_Window win EINA_UNUSED,
 133                            Ecore_X_Gesture_Event_Type type EINA_UNUSED,
 134                            int num_fingers EINA_UNUSED)
 135 #endif
 136 {
 137 #ifdef ECORE_XCB_XGESTURE
 138    Eina_Bool status = EINA_TRUE;
 139    xcb_gesture_grab_event_cookie_t ecookie;
 140    xcb_gesture_grab_event_reply_t *ereply;
 141
 142    if (!_gesture_available) return EINA_FALSE;
 143
 144    LOGFN(__FILE__, __LINE__, __FUNCTION__);
 145    CHECK_XCB_CONN
 146
 147    ecookie =
 148      xcb_gesture_grab_event(_ecore_xcb_conn, win, type, num_fingers, 0L);
 149    ereply = xcb_gesture_grab_event_reply(_ecore_xcb_conn, ecookie, NULL);
 150
 151    if (ereply)
 152      {
 153         if (ereply->status) status = EINA_FALSE;
 154         free(ereply);
 155      }
 156    else
 157      status = EINA_FALSE;
 158
 159    return status;
 160 #else
 161    return EINA_FALSE;
 162 #endif
 163 }
 164
 165 #ifdef ECORE_XCB_XGESTURE
 166 EAPI Eina_Bool
 167 ecore_x_gesture_event_ungrab(Ecore_X_Window win,
 168                              Ecore_X_Gesture_Event_Type type,
 169                              int num_fingers)
 170 #else
 171 EAPI Eina_Bool
 172 ecore_x_gesture_event_ungrab(Ecore_X_Window win EINA_UNUSED,
 173                              Ecore_X_Gesture_Event_Type type EINA_UNUSED,
 174                              int num_fingers EINA_UNUSED)
 175 #endif
 176 {
 177 #ifdef ECORE_XCB_XGESTURE
 178    Eina_Bool status = EINA_TRUE;
 179    xcb_gesture_ungrab_event_cookie_t ecookie;
 180    xcb_gesture_ungrab_event_reply_t *ereply;
 181
 182    if (!_gesture_available) return EINA_FALSE;
 183
 184    LOGFN(__FILE__, __LINE__, __FUNCTION__);
 185    CHECK_XCB_CONN
 186
 187   ecookie =
 188      xcb_gesture_ungrab_event(_ecore_xcb_conn, win, type, num_fingers, 0L);
 189   ereply = xcb_gesture_ungrab_event_reply(_ecore_xcb_conn, ecookie, NULL);
 190
 191    if (ereply)
 192      {
 193         if (ereply->status) status = EINA_FALSE;
 194         free(ereply);
 195      }
 196    else
 197      status = EINA_FALSE;
 198
 199    return status;
 200 #else
 201    return EINA_FALSE;
 202 #endif
 203 }