src/lib/ecore_x/xlib/ecore_x_xi2.c

   1 /*
   2  * vim:ts=8:sw=3:sts=8:noexpandtab:cino=>5n-3f0^-2{2
   3  */
   4
   5 #ifdef HAVE_CONFIG_H
   6 # include <config.h>
   7 #endif
   8
   9 #include <string.h>
  10
  11 #include "Ecore.h"
  12 #include "ecore_x_private.h"
  13 #include "Ecore_X.h"
  14
  15 #ifdef ECORE_XI2
  16 #include "Ecore_Input.h"
  17 #endif
  18
  19 int _ecore_x_xi2_opcode = -1;
  20
  21 #ifdef ECORE_XI2
  22 static XIDeviceInfo *_ecore_x_xi2_devs = NULL;
  23 static int _ecore_x_xi2_num = 0;
  24 #endif
  25
  26 void
  27 _ecore_x_input_init(void)
  28 {
  29 #ifdef ECORE_XI2
  30    int event, error;
  31    int major = 2, minor = 0;
  32
  33    if (!XQueryExtension(_ecore_x_disp, "XInputExtension",
  34                         &_ecore_x_xi2_opcode, &event, &error))
  35      {
  36         _ecore_x_xi2_opcode = -1;
  37         return;
  38      }
  39
  40    if (XIQueryVersion(_ecore_x_disp, &major, &minor) == BadRequest)
  41      {
  42         _ecore_x_xi2_opcode = -1;
  43         return;
  44      }
  45    _ecore_x_xi2_devs = XIQueryDevice(_ecore_x_disp, XIAllDevices,
  46                                      &_ecore_x_xi2_num);
  47 #endif
  48 }
  49
  50 void
  51 _ecore_x_input_shutdown(void)
  52 {
  53 #ifdef ECORE_XI2
  54    if (_ecore_x_xi2_devs)
  55      {
  56         XIFreeDeviceInfo(_ecore_x_xi2_devs);
  57         _ecore_x_xi2_devs = NULL;
  58      }
  59    _ecore_x_xi2_num = 0;
  60    _ecore_x_xi2_opcode = -1;
  61 #endif
  62 }
  63
  64 void
  65 _ecore_x_input_handler(XEvent* xevent)
  66 {
  67 #ifdef ECORE_XI2
  68    XIDeviceEvent *evd = (XIDeviceEvent *)(xevent->xcookie.data);
  69    int devid = evd->deviceid;
  70
  71    //printf("deviceID = %d\n", devid);
  72    switch (xevent->xcookie.evtype)
  73      {
  74      case XI_Motion:
  75         _ecore_mouse_move
  76           (evd->time,
  77            0, // state
  78            evd->event_x, evd->event_y,
  79            evd->root_x, evd->root_y,
  80            evd->event,
  81            (evd->child ? evd->child : evd->event),
  82            evd->root,
  83            1, // same_screen
  84            devid, 1, 1,
  85            1.0, // pressure
  86            0.0, // angle
  87            evd->event_x, evd->event_y,
  88            evd->root_x, evd->root_y);
  89         break;
  90      case XI_ButtonPress:
  91         _ecore_mouse_button
  92           (ECORE_EVENT_MOUSE_BUTTON_DOWN,
  93            evd->time,
  94            0, // state
  95            0, // button
  96            evd->event_x, evd->event_y,
  97            evd->root_x, evd->root_y,
  98            evd->event,
  99            (evd->child ? evd->child : evd->event),
 100            evd->root,
 101            1, // same_screen
 102            devid, 1, 1,
 103            1.0, // pressure
 104            0.0, // angle
 105            evd->event_x, evd->event_y,
 106            evd->root_x, evd->root_y);
 107         break;
 108      case XI_ButtonRelease:
 109         _ecore_mouse_button
 110           (ECORE_EVENT_MOUSE_BUTTON_UP,
 111            evd->time,
 112            0, // state
 113            0, // button
 114            evd->event_x, evd->event_y,
 115            evd->root_x, evd->root_y,
 116            evd->event,
 117            (evd->child ? evd->child : evd->event),
 118            evd->root,
 119            1, // same_screen
 120            devid, 1, 1,
 121            1.0, // pressure
 122            0.0, // angle
 123            evd->event_x, evd->event_y,
 124            evd->root_x, evd->root_y);
 125         break;
 126      }
 127 #endif
 128 }
 129
 130 EAPI Eina_Bool
 131 ecore_x_input_multi_select(Ecore_X_Window win)
 132 {
 133 #ifdef ECORE_XI2
 134    int i, find = 0;
 135
 136    if (!_ecore_x_xi2_devs) return 0;
 137
 138    LOGFN(__FILE__, __LINE__, __FUNCTION__);
 139    for (i = 0; i < _ecore_x_xi2_num; i++)
 140      {
 141         XIDeviceInfo *dev = &(_ecore_x_xi2_devs[i]);
 142
 143         if (dev->use == XIFloatingSlave)
 144           {
 145              XIEventMask eventmask;
 146              unsigned char mask[1] = { 0 };
 147
 148              eventmask.deviceid = dev->deviceid;
 149              eventmask.mask_len = sizeof(mask);
 150              eventmask.mask = mask;
 151              XISetMask(mask, XI_ButtonPress);
 152              XISetMask(mask, XI_ButtonRelease);
 153              XISetMask(mask, XI_Motion);
 154              XISelectEvents(_ecore_x_disp, win, &eventmask, 1);
 155              find = 1;
 156           }
 157      }
 158
 159    return find;
 160 #else
 161    return 0;
 162 #endif
 163 }