garbeam@18: /*
garbeam@18:  * (C)opyright MMVI Anselm R. Garbe <garbeam at gmail dot com>
garbeam@18:  * (C)opyright MMVI Kris Maglione <fbsdaemon@gmail.com>
garbeam@18:  * See LICENSE file for license details.
garbeam@18:  */
garbeam@18: 
garbeam@18: #include <stdlib.h>
garbeam@18: #include <string.h>
garbeam@18: #include <unistd.h>
garbeam@18: 
garbeam@18: #include "wm.h"
garbeam@18: 
garbeam@18: #define ButtonMask      (ButtonPressMask | ButtonReleaseMask)
garbeam@18: #define MouseMask       (ButtonMask | PointerMotionMask)
garbeam@18: 
garbeam@18: static void
garbeam@18: mmatch(Client *c, int x1, int y1, int x2, int y2)
garbeam@18: {
garbeam@18: 	c->r[RFloat].width = abs(x1 - x2);
garbeam@18: 	c->r[RFloat].height = abs(y1 - y2);
garbeam@18: 	c->r[RFloat].width -=
garbeam@18: 		(c->r[RFloat].width - c->size.base_width) % c->size.width_inc;
garbeam@18: 	c->r[RFloat].height -=
garbeam@18: 		(c->r[RFloat].height - c->size.base_height) % c->size.height_inc;
garbeam@18: 	if(c->size.min_width && c->r[RFloat].width < c->size.min_width)
garbeam@18: 		c->r[RFloat].width = c->size.min_width;
garbeam@18: 	if(c->size.min_height && c->r[RFloat].height < c->size.min_height)
garbeam@18: 		c->r[RFloat].height = c->size.min_height;
garbeam@18: 	if(c->size.max_width && c->r[RFloat].width > c->size.max_width)
garbeam@18: 		c->r[RFloat].width = c->size.max_width;
garbeam@18: 	if(c->size.max_height && c->r[RFloat].height > c->size.max_height)
garbeam@18: 		c->r[RFloat].height = c->size.max_height;
garbeam@18: 	c->r[RFloat].x = (x1 <= x2) ? x1 : x1 - c->r[RFloat].width;
garbeam@18: 	c->r[RFloat].y = (y1 <= y2) ? y1 : y1 - c->r[RFloat].height;
garbeam@18: }
garbeam@18: 
garbeam@18: void
garbeam@18: mresize(Client *c)
garbeam@18: {
garbeam@18: 	XEvent ev;
garbeam@18: 	int old_cx, old_cy;
garbeam@18: 
garbeam@18: 	old_cx = c->r[RFloat].x;
garbeam@18: 	old_cy = c->r[RFloat].y;
garbeam@19: 	if(XGrabPointer(dpy, root, False, MouseMask, GrabModeAsync, GrabModeAsync,
garbeam@18: 				None, cursor[CurResize], CurrentTime) != GrabSuccess)
garbeam@18: 		return;
garbeam@18: 	XGrabServer(dpy);
garbeam@18: 	XWarpPointer(dpy, None, c->win, 0, 0, 0, 0,
garbeam@18: 			c->r[RFloat].width, c->r[RFloat].height);
garbeam@18: 	for(;;) {
garbeam@18: 		XMaskEvent(dpy, MouseMask, &ev);
garbeam@18: 		switch(ev.type) {
garbeam@18: 		default: break;
garbeam@18: 		case MotionNotify:
garbeam@18: 			XUngrabServer(dpy);
garbeam@18: 			mmatch(c, old_cx, old_cy, ev.xmotion.x, ev.xmotion.y);
garbeam@19: 			XResizeWindow(dpy, c->win, c->r[RFloat].width, c->r[RFloat].height);
garbeam@18: 			XGrabServer(dpy);
garbeam@18: 			break;
garbeam@18: 		case ButtonRelease:
garbeam@19: 			resize(c);
garbeam@19: 			XUngrabServer(dpy);
garbeam@18: 			XUngrabPointer(dpy, CurrentTime);
garbeam@18: 			return;
garbeam@18: 		}
garbeam@18: 	}
garbeam@18: }
garbeam@18: 
garbeam@18: void
garbeam@18: mmove(Client *c)
garbeam@18: {
garbeam@18: 	XEvent ev;
garbeam@18: 	int x1, y1, old_cx, old_cy, di;
garbeam@18: 	unsigned int dui;
garbeam@18: 	Window dummy;
garbeam@18: 
garbeam@18: 	old_cx = c->r[RFloat].x;
garbeam@18: 	old_cy = c->r[RFloat].y;
garbeam@19: 	if(XGrabPointer(dpy, root, False, MouseMask, GrabModeAsync, GrabModeAsync,
garbeam@18: 				None, cursor[CurMove], CurrentTime) != GrabSuccess)
garbeam@18: 		return;
garbeam@18: 	XQueryPointer(dpy, root, &dummy, &dummy, &x1, &y1, &di, &di, &dui);
garbeam@18: 	XGrabServer(dpy);
garbeam@18: 	for(;;) {
garbeam@18: 		XMaskEvent(dpy, MouseMask, &ev);
garbeam@18: 		switch (ev.type) {
garbeam@18: 		default: break;
garbeam@18: 		case MotionNotify:
garbeam@18: 			XUngrabServer(dpy);
garbeam@18: 			c->r[RFloat].x = old_cx + (ev.xmotion.x - x1);
garbeam@18: 			c->r[RFloat].y = old_cy + (ev.xmotion.y - y1);
garbeam@19: 			XMoveResizeWindow(dpy, c->win, c->r[RFloat].x, c->r[RFloat].y,
garbeam@19: 					c->r[RFloat].width, c->r[RFloat].height);
garbeam@18: 			XGrabServer(dpy);
garbeam@18: 			break;
garbeam@18: 		case ButtonRelease:
garbeam@19: 			resize(c);
garbeam@18: 			XUngrabServer(dpy);
garbeam@18: 			XUngrabPointer(dpy, CurrentTime);
garbeam@18: 			return;
garbeam@18: 		}
garbeam@18: 	}
garbeam@18: }