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view mouse.c @ 19:b5510d0c6d43

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added basic mouse support (actually we don't need more)
author Anselm R. Garbe <garbeam@wmii.de>
date Tue, 11 Jul 2006 21:41:49 +0200
parents 1efa34c6e1b6
children 4560e0882c1d
line source
1 /*
2 * (C)opyright MMVI Anselm R. Garbe <garbeam at gmail dot com>
3 * (C)opyright MMVI Kris Maglione <fbsdaemon@gmail.com>
4 * See LICENSE file for license details.
5 */
6
7 #include <stdlib.h>
8 #include <string.h>
9 #include <unistd.h>
10
11 #include "wm.h"
12
13 #define ButtonMask (ButtonPressMask | ButtonReleaseMask)
14 #define MouseMask (ButtonMask | PointerMotionMask)
15
16 static void
17 mmatch(Client *c, int x1, int y1, int x2, int y2)
18 {
19 c->r[RFloat].width = abs(x1 - x2);
20 c->r[RFloat].height = abs(y1 - y2);
21 c->r[RFloat].width -=
22 (c->r[RFloat].width - c->size.base_width) % c->size.width_inc;
23 c->r[RFloat].height -=
24 (c->r[RFloat].height - c->size.base_height) % c->size.height_inc;
25 if(c->size.min_width && c->r[RFloat].width < c->size.min_width)
26 c->r[RFloat].width = c->size.min_width;
27 if(c->size.min_height && c->r[RFloat].height < c->size.min_height)
28 c->r[RFloat].height = c->size.min_height;
29 if(c->size.max_width && c->r[RFloat].width > c->size.max_width)
30 c->r[RFloat].width = c->size.max_width;
31 if(c->size.max_height && c->r[RFloat].height > c->size.max_height)
32 c->r[RFloat].height = c->size.max_height;
33 c->r[RFloat].x = (x1 <= x2) ? x1 : x1 - c->r[RFloat].width;
34 c->r[RFloat].y = (y1 <= y2) ? y1 : y1 - c->r[RFloat].height;
35 }
36
37 void
38 mresize(Client *c)
39 {
40 XEvent ev;
41 int old_cx, old_cy;
42
43 old_cx = c->r[RFloat].x;
44 old_cy = c->r[RFloat].y;
45 if(XGrabPointer(dpy, root, False, MouseMask, GrabModeAsync, GrabModeAsync,
46 None, cursor[CurResize], CurrentTime) != GrabSuccess)
47 return;
48 XGrabServer(dpy);
49 XWarpPointer(dpy, None, c->win, 0, 0, 0, 0,
50 c->r[RFloat].width, c->r[RFloat].height);
51 for(;;) {
52 XMaskEvent(dpy, MouseMask, &ev);
53 switch(ev.type) {
54 default: break;
55 case MotionNotify:
56 XUngrabServer(dpy);
57 mmatch(c, old_cx, old_cy, ev.xmotion.x, ev.xmotion.y);
58 XResizeWindow(dpy, c->win, c->r[RFloat].width, c->r[RFloat].height);
59 XGrabServer(dpy);
60 break;
61 case ButtonRelease:
62 resize(c);
63 XUngrabServer(dpy);
64 XUngrabPointer(dpy, CurrentTime);
65 return;
66 }
67 }
68 }
69
70 void
71 mmove(Client *c)
72 {
73 XEvent ev;
74 int x1, y1, old_cx, old_cy, di;
75 unsigned int dui;
76 Window dummy;
77
78 old_cx = c->r[RFloat].x;
79 old_cy = c->r[RFloat].y;
80 if(XGrabPointer(dpy, root, False, MouseMask, GrabModeAsync, GrabModeAsync,
81 None, cursor[CurMove], CurrentTime) != GrabSuccess)
82 return;
83 XQueryPointer(dpy, root, &dummy, &dummy, &x1, &y1, &di, &di, &dui);
84 XGrabServer(dpy);
85 for(;;) {
86 XMaskEvent(dpy, MouseMask, &ev);
87 switch (ev.type) {
88 default: break;
89 case MotionNotify:
90 XUngrabServer(dpy);
91 c->r[RFloat].x = old_cx + (ev.xmotion.x - x1);
92 c->r[RFloat].y = old_cy + (ev.xmotion.y - y1);
93 XMoveResizeWindow(dpy, c->win, c->r[RFloat].x, c->r[RFloat].y,
94 c->r[RFloat].width, c->r[RFloat].height);
95 XGrabServer(dpy);
96 break;
97 case ButtonRelease:
98 resize(c);
99 XUngrabServer(dpy);
100 XUngrabPointer(dpy, CurrentTime);
101 return;
102 }
103 }
104 }