about summary refs log tree commit diff stats
path: root/mouse.c
blob: 896d6b06a884d9f6fa0bd1782f05e78ffb9c1e0d (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
/*
 * (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->w = abs(x1 - x2);
	c->h = abs(y1 - y2);
	if(c->incw)
		c->w -= (c->w - c->basew) % c->incw;
	if(c->inch)
		c->h -= (c->h - c->baseh) % c->inch;
	if(c->minw && c->w < c->minw)
		c->w = c->minw;
	if(c->minh && c->h < c->minh)
		c->h = c->minh;
	if(c->maxw && c->w > c->maxw)
		c->w = c->maxw;
	if(c->maxh && c->h > c->maxh)
		c->h = c->maxh;
	c->x = (x1 <= x2) ? x1 : x1 - c->w;
	c->y = (y1 <= y2) ? y1 : y1 - c->h;
}

void
mresize(Client *c)
{
	XEvent ev;
	int old_cx, old_cy;

	old_cx = c->x;
	old_cy = c->y;
	if(XGrabPointer(dpy, root, False, MouseMask, GrabModeAsync, GrabModeAsync,
				None, cursor[CurResize], CurrentTime) != GrabSuccess)
		return;
	XWarpPointer(dpy, None, c->win, 0, 0, 0, 0, c->w, c->h);
	for(;;) {
		XMaskEvent(dpy, MouseMask | ExposureMask, &ev);
		switch(ev.type) {
		default: break;
		case Expose:
			handler[Expose](&ev);
			break;
		case MotionNotify:
			XFlush(dpy);
			mmatch(c, old_cx, old_cy, ev.xmotion.x, ev.xmotion.y);
			XResizeWindow(dpy, c->win, c->w, c->h);
			break;
		case ButtonRelease:
			resize(c);
			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->x;
	old_cy = c->y;
	if(XGrabPointer(dpy, root, False, MouseMask, GrabModeAsync, GrabModeAsync,
				None, cursor[CurMove], CurrentTime) != GrabSuccess)
		return;
	XQueryPointer(dpy, root, &dummy, &dummy, &x1, &y1, &di, &di, &dui);
	for(;;) {
		XMaskEvent(dpy, MouseMask | ExposureMask, &ev);
		switch (ev.type) {
		default: break;
		case Expose:
			handler[Expose](&ev);
			break;
		case MotionNotify:
			XFlush(dpy);
			c->x = old_cx + (ev.xmotion.x - x1);
			c->y = old_cy + (ev.xmotion.y - y1);
			XMoveResizeWindow(dpy, c->win, c->x, c->y, c->w, c->h);
			break;
		case ButtonRelease:
			resize(c);
			XUngrabPointer(dpy, CurrentTime);
			return;
		}
	}
}
n class="w"> < SNAP) c->y = way + wah - c->h - 2 * c->border; resize(c, False); break; } } } static void resizemouse(Client *c) { int ocx, ocy; int nw, nh; XEvent ev; ocx = c->x; ocy = c->y; if(XGrabPointer(dpy, root, False, MOUSEMASK, GrabModeAsync, GrabModeAsync, None, cursor[CurResize], CurrentTime) != GrabSuccess) return; c->ismax = False; XWarpPointer(dpy, None, c->win, 0, 0, 0, 0, c->w + c->border - 1, c->h + c->border - 1); for(;;) { XMaskEvent(dpy, MOUSEMASK | ExposureMask | SubstructureRedirectMask , &ev); switch(ev.type) { case ButtonRelease: resize(c, True); XUngrabPointer(dpy, CurrentTime); return; case ConfigureRequest: case Expose: case MapRequest: handler[ev.type](&ev); break; case MotionNotify: XSync(dpy, False); nw = ev.xmotion.x - ocx - 2 * c->border + 1; c->w = nw > 0 ? nw : 1; nh = ev.xmotion.y - ocy - 2 * c->border + 1; c->h = nh > 0 ? nh : 1; resize(c, True); break; } } } static void buttonpress(XEvent *e) { int x; Arg a; Client *c; XButtonPressedEvent *ev = &e->xbutton; if(barwin == ev->window) { x = 0; for(a.i = 0; a.i < ntags; a.i++) { x += textw(tags[a.i]); if(ev->x < x) { if(ev->button == Button1) { if(ev->state & MODKEY) tag(&a); else view(&a); } else if(ev->button == Button3) { if(ev->state & MODKEY) toggletag(&a); else toggleview(&a); } return; } } if(ev->x < x + bmw) switch(ev->button) { case Button1: togglemode(NULL); break; case Button4: a.i = 1; incnmaster(&a); break; case Button5: a.i = -1; incnmaster(&a); break; } } else if((c = getclient(ev->window))) { focus(c); if(CLEANMASK(ev->state) != MODKEY) return; if(ev->button == Button1 && (arrange == dofloat || c->isfloat)) { restack(); movemouse(c); } else if(ev->button == Button2) zoom(NULL); else if(ev->button == Button3 && (arrange == dofloat || c->isfloat) && !c->isfixed) { restack(); resizemouse(c); } } } static void configurerequest(XEvent *e) { unsigned long newmask; Client *c; XConfigureRequestEvent *ev = &e->xconfigurerequest; XWindowChanges wc; if((c = getclient(ev->window))) { c->ismax = False; if(ev->value_mask & CWX) c->x = ev->x; if(ev->value_mask & CWY) c->y = ev->y; if(ev->value_mask & CWWidth) c->w = ev->width; if(ev->value_mask & CWHeight) c->h = ev->height; if(ev->value_mask & CWBorderWidth) c->border = ev->border_width; wc.x = c->x; wc.y = c->y; wc.width = c->w; wc.height = c->h; newmask = ev->value_mask & (~(CWSibling | CWStackMode | CWBorderWidth)); if(newmask) XConfigureWindow(dpy, c->win, newmask, &wc); else configure(c); XSync(dpy, False); if(c->isfloat) { resize(c, False); if(!isvisible(c)) XMoveWindow(dpy, c->win, c->x + 2 * sw, c->y); } else arrange(); } else { wc.x = ev->x; wc.y = ev->y; wc.width = ev->width; wc.height = ev->height; wc.border_width = ev->border_width; wc.sibling = ev->above; wc.stack_mode = ev->detail; XConfigureWindow(dpy, ev->window, ev->value_mask, &wc); XSync(dpy, False); } } static void destroynotify(XEvent *e) { Client *c; XDestroyWindowEvent *ev = &e->xdestroywindow; if((c = getclient(ev->window))) unmanage(c); } static void enternotify(XEvent *e) { Client *c; XCrossingEvent *ev = &e->xcrossing; if(ev->mode != NotifyNormal || ev->detail == NotifyInferior) return; if((c = getclient(ev->window)) && isvisible(c)) focus(c); else if(ev->window == root) { issel = True; for(c = stack; c && !isvisible(c); c = c->snext); focus(c); } } static void expose(XEvent *e) { XExposeEvent *ev = &e->xexpose; if(ev->count == 0) { if(barwin == ev->window) drawstatus(); } } static void keypress(XEvent *e) { static unsigned int len = sizeof key / sizeof key[0]; unsigned int i; KeySym keysym; XKeyEvent *ev = &e->xkey; keysym = XKeycodeToKeysym(dpy, (KeyCode)ev->keycode, 0); for(i = 0; i < len; i++) { if(keysym == key[i].keysym && CLEANMASK(key[i].mod) == CLEANMASK(ev->state)) { if(key[i].func) key[i].func(&key[i].arg); } } } static void leavenotify(XEvent *e) { XCrossingEvent *ev = &e->xcrossing; if((ev->window == root) && !ev->same_screen) { issel = False; focus(NULL); } } static void mappingnotify(XEvent *e) { XMappingEvent *ev = &e->xmapping; XRefreshKeyboardMapping(ev); if(ev->request == MappingKeyboard) grabkeys(); } static void maprequest(XEvent *e) { static XWindowAttributes wa; XMapRequestEvent *ev = &e->xmaprequest; if(!XGetWindowAttributes(dpy, ev->window, &wa)) return; if(wa.override_redirect) { XSelectInput(dpy, ev->window, (StructureNotifyMask | PropertyChangeMask)); return; } if(!getclient(ev->window)) manage(ev->window, &wa); } static void propertynotify(XEvent *e) { Client *c; Window trans; XPropertyEvent *ev = &e->xproperty; if(ev->state == PropertyDelete) return; /* ignore */ if((c = getclient(ev->window))) { if(ev->atom == wmatom[WMProtocols]) { c->proto = getproto(c->win); return; } switch (ev->atom) { default: break; case XA_WM_TRANSIENT_FOR: XGetTransientForHint(dpy, c->win, &trans); if(!c->isfloat && (c->isfloat = (trans != 0))) arrange(); break; case XA_WM_NORMAL_HINTS: updatesizehints(c); break; } if(ev->atom == XA_WM_NAME || ev->atom == netatom[NetWMName]) { updatetitle(c); if(c == sel) drawstatus(); } } } static void unmapnotify(XEvent *e) { Client *c; XUnmapEvent *ev = &e->xunmap; if((c = getclient(ev->window))) unmanage(c); } /* extern */ void (*handler[LASTEvent]) (XEvent *) = { [ButtonPress] = buttonpress, [ConfigureRequest] = configurerequest, [DestroyNotify] = destroynotify, [EnterNotify] = enternotify, [LeaveNotify] = leavenotify, [Expose] = expose, [KeyPress] = keypress, [MappingNotify] = mappingnotify, [MapRequest] = maprequest, [PropertyNotify] = propertynotify, [UnmapNotify] = unmapnotify }; void grabkeys(void) { static unsigned int len = sizeof key / sizeof key[0]; unsigned int i; KeyCode code; XUngrabKey(dpy, AnyKey, AnyModifier, root); for(i = 0; i < len; i++) { code = XKeysymToKeycode(dpy, key[i].keysym); XGrabKey(dpy, code, key[i].mod, root, True, GrabModeAsync, GrabModeAsync); XGrabKey(dpy, code, key[i].mod | LockMask, root, True, GrabModeAsync, GrabModeAsync); XGrabKey(dpy, code, key[i].mod | numlockmask, root, True, GrabModeAsync, GrabModeAsync); XGrabKey(dpy, code, key[i].mod | numlockmask | LockMask, root, True, GrabModeAsync, GrabModeAsync); } } void procevent(void) { XEvent ev; while(XPending(dpy)) { XNextEvent(dpy, &ev); if(handler[ev.type]) (handler[ev.type])(&ev); /* call handler */ } }