dwm/mouse.c

101 lines
2.6 KiB
C

/*
* (C)opyright MMVI Anselm R. Garbe <garbeam at gmail dot com>
* (C)opyright MMVI Kris Maglione <fbsdaemon@gmail.com>
* See LICENSE file for license details.
*/
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "wm.h"
#define ButtonMask (ButtonPressMask | ButtonReleaseMask)
#define MouseMask (ButtonMask | PointerMotionMask)
static void
mmatch(Client *c, int x1, int y1, int x2, int y2)
{
c->r[RFloat].width = abs(x1 - x2);
c->r[RFloat].height = abs(y1 - y2);
c->r[RFloat].width -=
(c->r[RFloat].width - c->size.base_width) % c->size.width_inc;
c->r[RFloat].height -=
(c->r[RFloat].height - c->size.base_height) % c->size.height_inc;
if(c->size.min_width && c->r[RFloat].width < c->size.min_width)
c->r[RFloat].width = c->size.min_width;
if(c->size.min_height && c->r[RFloat].height < c->size.min_height)
c->r[RFloat].height = c->size.min_height;
if(c->size.max_width && c->r[RFloat].width > c->size.max_width)
c->r[RFloat].width = c->size.max_width;
if(c->size.max_height && c->r[RFloat].height > c->size.max_height)
c->r[RFloat].height = c->size.max_height;
c->r[RFloat].x = (x1 <= x2) ? x1 : x1 - c->r[RFloat].width;
c->r[RFloat].y = (y1 <= y2) ? y1 : y1 - c->r[RFloat].height;
}
void
mresize(Client *c)
{
XEvent ev;
int old_cx, old_cy;
old_cx = c->r[RFloat].x;
old_cy = c->r[RFloat].y;
if(XGrabPointer(dpy, c->win, False, MouseMask, GrabModeAsync, GrabModeAsync,
None, cursor[CurResize], CurrentTime) != GrabSuccess)
return;
XGrabServer(dpy);
XWarpPointer(dpy, None, c->win, 0, 0, 0, 0,
c->r[RFloat].width, c->r[RFloat].height);
for(;;) {
XMaskEvent(dpy, MouseMask, &ev);
switch(ev.type) {
default: break;
case MotionNotify:
XUngrabServer(dpy);
mmatch(c, old_cx, old_cy, ev.xmotion.x, ev.xmotion.y);
resize(c);
XGrabServer(dpy);
break;
case ButtonRelease:
XUngrabPointer(dpy, CurrentTime);
return;
}
}
}
void
mmove(Client *c)
{
XEvent ev;
int x1, y1, old_cx, old_cy, di;
unsigned int dui;
Window dummy;
old_cx = c->r[RFloat].x;
old_cy = c->r[RFloat].y;
if(XGrabPointer(dpy, c->win, False, MouseMask, GrabModeAsync, GrabModeAsync,
None, cursor[CurMove], CurrentTime) != GrabSuccess)
return;
XQueryPointer(dpy, root, &dummy, &dummy, &x1, &y1, &di, &di, &dui);
XGrabServer(dpy);
for(;;) {
XMaskEvent(dpy, MouseMask, &ev);
switch (ev.type) {
default: break;
case MotionNotify:
XUngrabServer(dpy);
c->r[RFloat].x = old_cx + (ev.xmotion.x - x1);
c->r[RFloat].y = old_cy + (ev.xmotion.y - y1);
resize(c);
XGrabServer(dpy);
break;
case ButtonRelease:
XUngrabServer(dpy);
XUngrabPointer(dpy, CurrentTime);
return;
}
}
}