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
  57    return EINA_TRUE;
  58 #else /* ifdef ECORE_XGESTURE */
  59    return EINA_FALSE;
  60    win = 0;
  61    mask = 0;
  62 #endif /* ifdef ECORE_XGESTURE */
  63 }
  64
  65 EAPI Ecore_X_Gesture_Event_Mask
  66 ecore_x_gesture_events_selected_get(Ecore_X_Window win)
  67 {
  68 #ifdef ECORE_XGESTURE
  69    Ecore_X_Gesture_Event_Mask mask;
  70
  71    if (!_gesture_available)
  72      return ECORE_X_GESTURE_EVENT_MASK_NONE;
  73
  74    LOGFN(__FILE__, __LINE__, __FUNCTION__);
  75    if (GestureSuccess != XGestureGetSelectedEvents(_ecore_x_disp, win, &mask))
  76      {
  77         mask = ECORE_X_GESTURE_EVENT_MASK_NONE;
  78         return mask;
  79      }
  80
  81    return mask;
  82 #else /* ifdef ECORE_XGESTURE */
  83    return ECORE_X_GESTURE_EVENT_MASK_NONE;
  84    win = 0;
  85 #endif /* ifdef ECORE_XGESTURE */
  86 }
  87
  88 EAPI Eina_Bool
  89 ecore_x_gesture_event_grab(Ecore_X_Window win,
  90                            Ecore_X_Gesture_Event_Type type,
  91                            int num_fingers)
  92 {
  93 #ifdef ECORE_XGESTURE
  94    if (!_gesture_available)
  95      return EINA_FALSE;
  96
  97    LOGFN(__FILE__, __LINE__, __FUNCTION__);
  98    if (GestureGrabSuccess != XGestureGrabEvent(_ecore_x_disp, win, type, num_fingers, CurrentTime))
  99      {
 100         return EINA_FALSE;
 101      }
 102
 103    return EINA_TRUE;
 104 #else /* ifdef ECORE_XGESTURE */
 105    return EINA_FALSE;
 106    win = 0;
 107    type = 0;
 108    num_fingers = 0;
 109 #endif /* ifdef ECORE_XGESTURE */
 110 }
 111
 112 EAPI Eina_Bool
 113 ecore_x_gesture_event_ungrab(Ecore_X_Window win,
 114                              Ecore_X_Gesture_Event_Type type,
 115                              int num_fingers)
 116 {
 117 #ifdef ECORE_XGESTURE
 118    Ecore_X_Gesture_Event_Mask mask;
 119
 120    if (!_gesture_available)
 121      return EINA_FALSE;
 122
 123    LOGFN(__FILE__, __LINE__, __FUNCTION__);
 124    if (GestureUngrabSuccess != XGestureUngrabEvent(_ecore_x_disp, win, type, num_fingers, CurrentTime))
 125      {
 126         return EINA_FALSE;
 127      }
 128
 129    return EINA_TRUE;
 130 #else /* ifdef ECORE_XGESTURE */
 131    return EINA_FALSE;
 132    win = 0;
 133    type = 0;
 134    num_fingers = 0;
 135 #endif /* ifdef ECORE_XGESTURE */
 136 }
 137