src/lib/ecore_x/xlib/ecore_x_gesture.c

   1 #ifdef HAVE_CONFIG_H
   2 # include <config.h>
   3 #endif /* ifdef HAVE_CONFIG_H */
   4
   5 #include "ecore_x_private.h"
   6
   7 static Eina_Bool _gesture_available = EINA_FALSE;
   8
   9 #ifdef ECORE_XGESTURE
  10 static int _gesture_major, _gesture_minor, _gesture_patch;
  11 int _gesture_version;
  12 #endif /* ifdef ECORE_XGESTURE */
  13
  14 void
  15 _ecore_x_gesture_init(void)
  16 {
  17 #ifdef ECORE_XGESTURE
  18    _gesture_major = 0;
  19    _gesture_minor = 0;
  20    _gesture_patch = 0;
  21    _gesture_version = 0;
  22
  23    if (XGestureQueryVersion(_ecore_x_disp, &_gesture_major, &_gesture_minor, &_gesture_patch))
  24      {
  25         _gesture_version = (_gesture_major << 16) | _gesture_minor;
  26         _gesture_available = EINA_TRUE;
  27      }
  28    else
  29      _gesture_available = EINA_FALSE;
  30 #else /* ifdef ECORE_XGESTURE */
  31    _gesture_available = EINA_FALSE;
  32 #endif /* ifdef ECORE_XGESTURE */
  33 }
  34
  35 /*
  36  * @brief Query whether gesture is available or not.
  37  *
  38  * @return @c EINA_TRUE, if extension is available, @c EINA_FALSE otherwise.
  39  */
  40 EAPI Eina_Bool
  41 ecore_x_gesture_supported(void)
  42 {
  43    return _gesture_available;
  44 }
  45
  46 EAPI Eina_Bool
  47 ecore_x_gesture_events_select(Ecore_X_Window win,
  48                               Ecore_X_Gesture_Event_Mask mask)
  49 {
  50 #ifdef ECORE_XGESTURE
  51    if (!_gesture_available)
  52      return EINA_FALSE;
  53
  54    LOGFN(__FILE__, __LINE__, __FUNCTION__);
  55    XGestureSelectEvents(_ecore_x_disp, win, mask);
  56    if (_ecore_xlib_sync) ecore_x_sync();
  57
  58    return EINA_TRUE;
  59 #else /* ifdef ECORE_XGESTURE */
  60    (void) win;
  61    (void) mask;
  62    return EINA_FALSE;
  63 #endif /* ifdef ECORE_XGESTURE */
  64 }
  65
  66 EAPI Ecore_X_Gesture_Event_Mask
  67 ecore_x_gesture_events_selected_get(Ecore_X_Window win)
  68 {
  69 #ifdef ECORE_XGESTURE
  70    Ecore_X_Gesture_Event_Mask mask;
  71
  72    if (!_gesture_available)
  73      return ECORE_X_GESTURE_EVENT_MASK_NONE;
  74
  75    LOGFN(__FILE__, __LINE__, __FUNCTION__);
  76    if (GestureSuccess != XGestureGetSelectedEvents(_ecore_x_disp, win, (Mask *)&mask))
  77      mask = ECORE_X_GESTURE_EVENT_MASK_NONE;
  78    if (_ecore_xlib_sync) ecore_x_sync();
  79
  80    return mask;
  81 #else /* ifdef ECORE_XGESTURE */
  82    (void) win;
  83    return ECORE_X_GESTURE_EVENT_MASK_NONE;
  84 #endif /* ifdef ECORE_XGESTURE */
  85 }
  86
  87 EAPI Eina_Bool
  88 ecore_x_gesture_event_grab(Ecore_X_Window win,
  89                            Ecore_X_Gesture_Event_Type type,
  90                            int num_fingers)
  91 {
  92 #ifdef ECORE_XGESTURE
  93    Eina_Bool ret;
  94    if (!_gesture_available)
  95      return EINA_FALSE;
  96
  97    LOGFN(__FILE__, __LINE__, __FUNCTION__);
  98    ret = (GestureGrabSuccess == XGestureGrabEvent(_ecore_x_disp, win, type, num_fingers, CurrentTime));
  99    if (_ecore_xlib_sync) ecore_x_sync();
 100    return ret;
 101 #else /* ifdef ECORE_XGESTURE */
 102    (void) win;
 103    (void) type;
 104    (void) num_fingers;
 105    return EINA_FALSE;
 106 #endif /* ifdef ECORE_XGESTURE */
 107 }
 108
 109 EAPI Eina_Bool
 110 ecore_x_gesture_event_ungrab(Ecore_X_Window win,
 111                              Ecore_X_Gesture_Event_Type type,
 112                              int num_fingers)
 113 {
 114 #ifdef ECORE_XGESTURE
 115    Eina_Bool ret;
 116
 117    if (!_gesture_available)
 118      return EINA_FALSE;
 119
 120    LOGFN(__FILE__, __LINE__, __FUNCTION__);
 121    ret = (GestureUngrabSuccess == XGestureUngrabEvent(_ecore_x_disp, win, type, num_fingers, CurrentTime));
 122    if (_ecore_xlib_sync) ecore_x_sync();
 123    return ret;
 124 #else /* ifdef ECORE_XGESTURE */
 125    (void) win;
 126    (void) type;
 127    (void) num_fingers;
 128    return EINA_FALSE;
 129 #endif /* ifdef ECORE_XGESTURE */
 130 }
 131