mouse.c

   1 /*
   2  * (C)opyright MMVI Anselm R. Garbe <garbeam at gmail dot com>
   3  * See LICENSE file for license details.
   4  */
   5
   6 #include <stdlib.h>
   7 #include <string.h>
   8 #include <unistd.h>
   9
  10 #include "wm.h"
  11
  12 #define ButtonMask      (ButtonPressMask | ButtonReleaseMask)
  13 #define MouseMask       (ButtonMask | PointerMotionMask)
  14
  15 void
  16 mresize(Client *c)
  17 {
  18         XEvent ev;
  19         int ocx, ocy;
  20
  21         ocx = c->x;
  22         ocy = c->y;
  23         if(XGrabPointer(dpy, root, False, MouseMask, GrabModeAsync, GrabModeAsync,
  24                                 None, cursor[CurResize], CurrentTime) != GrabSuccess)
  25                 return;
  26         XWarpPointer(dpy, None, c->win, 0, 0, 0, 0, c->w, c->h);
  27         for(;;) {
  28                 XMaskEvent(dpy, MouseMask | ExposureMask, &ev);
  29                 switch(ev.type) {
  30                 default: break;
  31                 case Expose:
  32                         handler[Expose](&ev);
  33                         break;
  34                 case MotionNotify:
  35                         XFlush(dpy);
  36                         c->w = abs(ocx - ev.xmotion.x);
  37                         c->h = abs(ocy - ev.xmotion.y);
  38                         c->x = (ocx <= ev.xmotion.x) ? ocx : ocx - c->w;
  39                         c->y = (ocy <= ev.xmotion.y) ? ocy : ocy - c->h;
  40                         resize(c);
  41                         break;
  42                 case ButtonRelease:
  43                         XUngrabPointer(dpy, CurrentTime);
  44                         return;
  45                 }
  46         }
  47 }
  48
  49 void
  50 mmove(Client *c)
  51 {
  52         XEvent ev;
  53         int x1, y1, ocx, ocy, di;
  54         unsigned int dui;
  55         Window dummy;
  56
  57         ocx = c->x;
  58         ocy = c->y;
  59         if(XGrabPointer(dpy, root, False, MouseMask, GrabModeAsync, GrabModeAsync,
  60                                 None, cursor[CurMove], CurrentTime) != GrabSuccess)
  61                 return;
  62         XQueryPointer(dpy, root, &dummy, &dummy, &x1, &y1, &di, &di, &dui);
  63         for(;;) {
  64                 XMaskEvent(dpy, MouseMask | ExposureMask, &ev);
  65                 switch (ev.type) {
  66                 default: break;
  67                 case Expose:
  68                         handler[Expose](&ev);
  69                         break;
  70                 case MotionNotify:
  71                         XFlush(dpy);
  72                         c->x = ocx + (ev.xmotion.x - x1);
  73                         c->y = ocy + (ev.xmotion.y - y1);
  74                         resize(c);
  75                         break;
  76                 case ButtonRelease:
  77                         XUngrabPointer(dpy, CurrentTime);
  78                         return;
  79                 }
  80         }
  81 }