Dogcows Code - chaz/openbox/blob - openbox/dispatch.c

   1 #include "dispatch.h"
   2
   3 #include <glib.h>
   4
   5 static GSList **funcs;
   6
   7 void dispatch_startup()
   8 {
   9     guint i;
  10     EventType j;
  11
  12     i = 0;
  13     j = EVENT_RANGE;
  14     while (j > 1) {
  15         j >>= 1;
  16         ++i;
  17     }
  18     funcs = g_new(GSList*, i);
  19
  20     for (i = 0, j = 1; j < EVENT_RANGE; ++i, j <<= 1)
  21         funcs[i] = NULL;
  22 }
  23
  24 void dispatch_shutdown()
  25 {
  26     guint i;
  27     EventType j;
  28
  29     for (i = 0, j = 1; j < EVENT_RANGE; ++i, j <<= 1)
  30         g_slist_free(funcs[i]);
  31
  32     g_free(funcs);
  33 }
  34
  35 void dispatch_register(EventHandler h, EventMask mask)
  36 {
  37     guint i;
  38     EventType j;
  39
  40     while (mask) {
  41         for (i = 0, j = 1; j < EVENT_RANGE; ++i, j <<= 1)
  42             if (mask & j) {
  43                 funcs[i] = g_slist_append(funcs[i], h);
  44                 mask ^= j; /* remove from the mask */
  45             }
  46         g_assert(j >= EVENT_RANGE); /* an invalid event is in the mask */
  47     }
  48 }
  49
  50 void dispatch_x(XEvent *xe)
  51 {
  52     EventType e;
  53     guint i;
  54     GSList *it;
  55     ObEvent obe;
  56
  57     switch (xe->type) {
  58     case EnterNotify:
  59         e = Event_X_EnterNotify;
  60         break;
  61     case LeaveNotify:
  62         e = Event_X_LeaveNotify;
  63         break;
  64     case KeyPress:
  65         e = Event_X_KeyPress;
  66         break;
  67     case KeyRelease:
  68         e = Event_X_KeyRelease;
  69         break;
  70     case ButtonPress:
  71         e = Event_X_ButtonPress;
  72         break;
  73     case ButtonRelease:
  74         e = Event_X_ButtonRelease;
  75         break;
  76     case MotionNotify:
  77         e = Event_X_MotionNotify;
  78         break;
  79     default:
  80         return;
  81     }
  82
  83     obe.type = e;
  84     obe.data.x = xe;
  85
  86     i = 0;
  87     while (e > 1) {
  88         e >>= 1;
  89         ++i;
  90     }
  91
  92     for (it = funcs[i]; it != NULL; it = it->next)
  93         ((EventHandler)it->data)(&obe);
  94 }
  95
  96 void dispatch_client(EventType e, Client *c)
  97 {
  98     guint i;
  99     GSList *it;
 100     ObEvent obe;
 101
 102     obe.type = e;
 103     obe.data.client = c;
 104
 105     i = 0;
 106     while (e > 1) {
 107         e >>= 1;
 108         ++i;
 109     }
 110
 111     for (it = funcs[i]; it != NULL; it = it->next)
 112         ((EventHandler)it->data)(&obe);
 113 }
 114
 115 void dispatch_ob(EventType e)
 116 {
 117     guint i;
 118     GSList *it;
 119     ObEvent obe;
 120
 121     obe.type = e;
 122
 123     i = 0;
 124     while (e > 1) {
 125         e >>= 1;
 126         ++i;
 127     }
 128
 129     for (it = funcs[i]; it != NULL; it = it->next)
 130         ((EventHandler)it->data)(&obe);
 131 }
 132
 133 void dispatch_signal(int signal)
 134 {
 135     guint i;
 136     EventType e = Event_Signal;
 137     GSList *it;
 138     ObEvent obe;
 139
 140     obe.type = e;
 141     obe.data.signal = signal;
 142
 143     i = 0;
 144     while (e > 1) {
 145         e >>= 1;
 146         ++i;
 147     }
 148
 149     for (it = funcs[i]; it != NULL; it = it->next)
 150         ((EventHandler)it->data)(&obe);
 151 }