garbeam@5: /*
garbeam@5:  * (C)opyright MMVI Anselm R. Garbe <garbeam at gmail dot com>
garbeam@5:  * See LICENSE file for license details.
garbeam@5:  */
garbeam@76: #include "dwm.h"
garbeam@5: 
garbeam@5: #include <stdlib.h>
garbeam@5: #include <X11/keysym.h>
garbeam@13: #include <X11/Xatom.h>
garbeam@5: 
arg@146: /* static */
arg@114: 
arg@114: typedef struct {
arg@114: 	unsigned long mod;
arg@114: 	KeySym keysym;
arg@114: 	void (*func)(Arg *arg);
arg@114: 	Arg arg;
arg@114: } Key;
arg@114: 
arg@146: CMDS
arg@146: KEYS
garbeam@75: 
arg@146: static unsigned int valid_mask =  255 &  ~(NUMLOCKMASK | LockMask);
garbeam@5: 
garbeam@77: static void
garbeam@77: movemouse(Client *c)
garbeam@77: {
garbeam@77: 	int x1, y1, ocx, ocy, di;
garbeam@77: 	unsigned int dui;
garbeam@77: 	Window dummy;
arg@123: 	XEvent ev;
garbeam@77: 
arg@115: 	ocx = c->x;
arg@115: 	ocy = c->y;
arg@148: 	if(XGrabPointer(dpy, root, False, MOUSEMASK, GrabModeAsync, GrabModeAsync,
arg@123: 			None, cursor[CurMove], CurrentTime) != GrabSuccess)
garbeam@77: 		return;
garbeam@77: 	XQueryPointer(dpy, root, &dummy, &dummy, &x1, &y1, &di, &di, &dui);
garbeam@77: 	for(;;) {
arg@148: 		XMaskEvent(dpy, MOUSEMASK | ExposureMask, &ev);
garbeam@77: 		switch (ev.type) {
garbeam@77: 		default: break;
garbeam@77: 		case Expose:
garbeam@77: 			handler[Expose](&ev);
garbeam@77: 			break;
garbeam@77: 		case MotionNotify:
garbeam@79: 			XSync(dpy, False);
arg@115: 			c->x = ocx + (ev.xmotion.x - x1);
arg@115: 			c->y = ocy + (ev.xmotion.y - y1);
arg@99: 			resize(c, False, TopLeft);
garbeam@77: 			break;
garbeam@77: 		case ButtonRelease:
garbeam@77: 			XUngrabPointer(dpy, CurrentTime);
garbeam@77: 			return;
garbeam@77: 		}
garbeam@77: 	}
garbeam@77: }
garbeam@77: 
garbeam@77: static void
garbeam@77: resizemouse(Client *c)
garbeam@77: {
garbeam@77: 	int ocx, ocy;
arg@99: 	Corner sticky;
arg@123: 	XEvent ev;
garbeam@77: 
arg@115: 	ocx = c->x;
arg@115: 	ocy = c->y;
arg@148: 	if(XGrabPointer(dpy, root, False, MOUSEMASK, GrabModeAsync, GrabModeAsync,
garbeam@77: 				None, cursor[CurResize], CurrentTime) != GrabSuccess)
garbeam@77: 		return;
arg@115: 	XWarpPointer(dpy, None, c->win, 0, 0, 0, 0, c->w, c->h);
garbeam@77: 	for(;;) {
arg@148: 		XMaskEvent(dpy, MOUSEMASK | ExposureMask, &ev);
garbeam@77: 		switch(ev.type) {
garbeam@77: 		default: break;
garbeam@77: 		case Expose:
garbeam@77: 			handler[Expose](&ev);
garbeam@77: 			break;
garbeam@77: 		case MotionNotify:
garbeam@79: 			XSync(dpy, False);
arg@115: 			c->w = abs(ocx - ev.xmotion.x);
arg@115: 			c->h = abs(ocy - ev.xmotion.y);
arg@115: 			c->x = (ocx <= ev.xmotion.x) ? ocx : ocx - c->w;
arg@115: 			c->y = (ocy <= ev.xmotion.y) ? ocy : ocy - c->h;
arg@105: 			if(ocx <= ev.xmotion.x)
arg@105: 				sticky = (ocy <= ev.xmotion.y) ? TopLeft : BotLeft;
arg@105: 			else
arg@105: 				sticky = (ocy <= ev.xmotion.y) ? TopRight : BotRight;
arg@99: 			resize(c, True, sticky);
garbeam@77: 			break;
garbeam@77: 		case ButtonRelease:
garbeam@77: 			XUngrabPointer(dpy, CurrentTime);
garbeam@77: 			return;
garbeam@77: 		}
garbeam@77: 	}
garbeam@77: }
garbeam@73: 
garbeam@73: static void
garbeam@18: buttonpress(XEvent *e)
garbeam@18: {
garbeam@73: 	int x;
garbeam@73: 	Arg a;
arg@123: 	Client *c;
garbeam@18: 	XButtonPressedEvent *ev = &e->xbutton;
garbeam@18: 
garbeam@73: 	if(barwin == ev->window) {
garbeam@80: 		switch(ev->button) {
garbeam@80: 		default:
garbeam@80: 			x = 0;
garbeam@80: 			for(a.i = 0; a.i < TLast; a.i++) {
garbeam@80: 				x += textw(tags[a.i]);
garbeam@80: 				if(ev->x < x) {
garbeam@80: 					view(&a);
garbeam@80: 					break;
garbeam@80: 				}
garbeam@73: 			}
garbeam@80: 			break;
garbeam@80: 		case Button4:
garbeam@80: 			a.i = (tsel + 1 < TLast) ? tsel + 1 : 0;
garbeam@80: 			view(&a);
garbeam@80: 			break;
garbeam@80: 		case Button5:
garbeam@80: 			a.i = (tsel - 1 >= 0) ? tsel - 1 : TLast - 1;
garbeam@80: 			view(&a);
garbeam@80: 			break;
garbeam@73: 		}
garbeam@73: 	}
garbeam@58: 	else if((c = getclient(ev->window))) {
arg@143: 		focus(c);
garbeam@18: 		switch(ev->button) {
garbeam@18: 		default:
garbeam@18: 			break;
garbeam@18: 		case Button1:
arg@133: 			if(!c->ismax && (arrange == dofloat || c->isfloat)) {
arg@99: 				higher(c);
arg@99: 				movemouse(c);
arg@99: 			}
garbeam@18: 			break;
garbeam@18: 		case Button2:
garbeam@26: 			lower(c);
garbeam@18: 			break;
garbeam@18: 		case Button3:
arg@133: 			if(!c->ismax && (arrange == dofloat || c->isfloat)) {
arg@99: 				higher(c);
arg@99: 				resizemouse(c);
arg@99: 			}
garbeam@18: 			break;
garbeam@18: 		}
garbeam@18: 	}
garbeam@18: }
garbeam@18: 
garbeam@18: static void
garbeam@5: configurerequest(XEvent *e)
garbeam@5: {
arg@123: 	Client *c;
garbeam@5: 	XConfigureRequestEvent *ev = &e->xconfigurerequest;
garbeam@5: 	XWindowChanges wc;
garbeam@5: 
garbeam@5: 	ev->value_mask &= ~CWSibling;
garbeam@18: 	if((c = getclient(ev->window))) {
garbeam@29: 		gravitate(c, True);
garbeam@5: 		if(ev->value_mask & CWX)
arg@115: 			c->x = ev->x;
garbeam@5: 		if(ev->value_mask & CWY)
arg@115: 			c->y = ev->y;
garbeam@5: 		if(ev->value_mask & CWWidth)
arg@115: 			c->w = ev->width;
garbeam@5: 		if(ev->value_mask & CWHeight)
arg@115: 			c->h = ev->height;
garbeam@29: 		if(ev->value_mask & CWBorderWidth)
garbeam@55: 			c->border = 1;
garbeam@29: 		gravitate(c, False);
arg@99: 		resize(c, True, TopLeft);
garbeam@5: 	}
garbeam@5: 
garbeam@5: 	wc.x = ev->x;
garbeam@5: 	wc.y = ev->y;
garbeam@5: 	wc.width = ev->width;
garbeam@5: 	wc.height = ev->height;
garbeam@25: 	wc.border_width = 1;
garbeam@5: 	wc.sibling = None;
garbeam@5: 	wc.stack_mode = Above;
garbeam@5: 	ev->value_mask &= ~CWStackMode;
garbeam@5: 	ev->value_mask |= CWBorderWidth;
garbeam@5: 	XConfigureWindow(dpy, ev->window, ev->value_mask, &wc);
garbeam@79: 	XSync(dpy, False);
garbeam@5: }
garbeam@5: 
garbeam@5: static void
garbeam@5: destroynotify(XEvent *e)
garbeam@5: {
garbeam@5: 	Client *c;
garbeam@5: 	XDestroyWindowEvent *ev = &e->xdestroywindow;
garbeam@5: 
garbeam@11: 	if((c = getclient(ev->window)))
garbeam@11: 		unmanage(c);
garbeam@5: }
garbeam@5: 
garbeam@5: static void
garbeam@5: enternotify(XEvent *e)
garbeam@5: {
arg@123: 	Client *c;
garbeam@5: 	XCrossingEvent *ev = &e->xcrossing;
garbeam@5: 
arg@143: 	if(ev->detail == NotifyInferior)
garbeam@5: 		return;
garbeam@5: 
garbeam@13: 	if((c = getclient(ev->window)))
garbeam@13: 		focus(c);
garbeam@26: 	else if(ev->window == root)
garbeam@31: 		issel = True;
garbeam@5: }
garbeam@5: 
garbeam@5: static void
garbeam@5: expose(XEvent *e)
garbeam@5: {
arg@123: 	Client *c;
garbeam@5: 	XExposeEvent *ev = &e->xexpose;
garbeam@5: 
garbeam@5: 	if(ev->count == 0) {
garbeam@70: 		if(barwin == ev->window)
garbeam@74: 			drawstatus();
garbeam@75: 		else if((c = getctitle(ev->window)))
garbeam@74: 			drawtitle(c);
garbeam@5: 	}
garbeam@5: }
garbeam@5: 
garbeam@5: static void
garbeam@76: keypress(XEvent *e)
garbeam@76: {
arg@138: 	static unsigned int len = sizeof(key) / sizeof(key[0]);
garbeam@76: 	unsigned int i;
garbeam@76: 	KeySym keysym;
arg@123: 	XKeyEvent *ev = &e->xkey;
arg@145: 	ev->state &= valid_mask;
garbeam@76: 
garbeam@76: 	keysym = XKeycodeToKeysym(dpy, (KeyCode)ev->keycode, 0);
garbeam@76: 	for(i = 0; i < len; i++)
arg@145: 		if((keysym == key[i].keysym) && ((key[i].mod & valid_mask) == ev->state)) {
garbeam@76: 			if(key[i].func)
garbeam@76: 				key[i].func(&key[i].arg);
garbeam@76: 			return;
garbeam@76: 		}
garbeam@76: }
garbeam@76: 
garbeam@76: static void
garbeam@76: leavenotify(XEvent *e)
garbeam@76: {
garbeam@76: 	XCrossingEvent *ev = &e->xcrossing;
garbeam@76: 
garbeam@76: 	if((ev->window == root) && !ev->same_screen)
garbeam@76: 		issel = True;
garbeam@76: }
garbeam@76: 
garbeam@76: static void
garbeam@5: maprequest(XEvent *e)
garbeam@5: {
arg@123: 	static XWindowAttributes wa;
garbeam@5: 	XMapRequestEvent *ev = &e->xmaprequest;
garbeam@5: 
garbeam@5: 	if(!XGetWindowAttributes(dpy, ev->window, &wa))
garbeam@5: 		return;
garbeam@5: 
garbeam@5: 	if(wa.override_redirect) {
garbeam@5: 		XSelectInput(dpy, ev->window,
garbeam@5: 				(StructureNotifyMask | PropertyChangeMask));
garbeam@5: 		return;
garbeam@5: 	}
garbeam@5: 
garbeam@10: 	if(!getclient(ev->window))
garbeam@10: 		manage(ev->window, &wa);
garbeam@5: }
garbeam@5: 
garbeam@5: static void
garbeam@5: propertynotify(XEvent *e)
garbeam@5: {
arg@123: 	Client *c;
arg@123: 	Window trans;
garbeam@5: 	XPropertyEvent *ev = &e->xproperty;
garbeam@5: 
garbeam@5: 	if(ev->state == PropertyDelete)
garbeam@5: 		return; /* ignore */
garbeam@5: 
garbeam@13: 	if((c = getclient(ev->window))) {
garbeam@77: 		if(ev->atom == wmatom[WMProtocols]) {
garbeam@75: 			c->proto = getproto(c->win);
garbeam@30: 			return;
garbeam@30: 		}
garbeam@13: 		switch (ev->atom) {
garbeam@13: 			default: break;
garbeam@13: 			case XA_WM_TRANSIENT_FOR:
garbeam@53: 				XGetTransientForHint(dpy, c->win, &trans);
garbeam@80: 				if(!c->isfloat && (c->isfloat = (trans != 0)))
garbeam@53: 					arrange(NULL);
garbeam@13: 				break;
garbeam@13: 			case XA_WM_NORMAL_HINTS:
garbeam@74: 				setsize(c);
garbeam@13: 				break;
garbeam@13: 		}
garbeam@77: 		if(ev->atom == XA_WM_NAME || ev->atom == netatom[NetWMName]) {
garbeam@74: 			settitle(c);
garbeam@74: 			drawtitle(c);
garbeam@13: 		}
garbeam@13: 	}
garbeam@5: }
garbeam@5: 
garbeam@5: static void
garbeam@5: unmapnotify(XEvent *e)
garbeam@5: {
garbeam@5: 	Client *c;
garbeam@5: 	XUnmapEvent *ev = &e->xunmap;
garbeam@5: 
garbeam@10: 	if((c = getclient(ev->window)))
garbeam@10: 		unmanage(c);
garbeam@5: }
garbeam@76: 
garbeam@84: /* extern */
garbeam@76: 
garbeam@76: void (*handler[LASTEvent]) (XEvent *) = {
garbeam@76: 	[ButtonPress] = buttonpress,
garbeam@76: 	[ConfigureRequest] = configurerequest,
garbeam@76: 	[DestroyNotify] = destroynotify,
garbeam@76: 	[EnterNotify] = enternotify,
garbeam@76: 	[LeaveNotify] = leavenotify,
garbeam@76: 	[Expose] = expose,
garbeam@76: 	[KeyPress] = keypress,
garbeam@76: 	[MapRequest] = maprequest,
garbeam@76: 	[PropertyNotify] = propertynotify,
garbeam@76: 	[UnmapNotify] = unmapnotify
garbeam@76: };
garbeam@76: 
garbeam@76: void
garbeam@76: grabkeys()
garbeam@76: {
arg@138: 	static unsigned int len = sizeof(key) / sizeof(key[0]);
garbeam@76: 	unsigned int i;
garbeam@76: 	KeyCode code;
garbeam@76: 
garbeam@76: 	for(i = 0; i < len; i++) {
garbeam@76: 		code = XKeysymToKeycode(dpy, key[i].keysym);
garbeam@76: 		XUngrabKey(dpy, code, key[i].mod, root);
arg@146: 		XUngrabKey(dpy, code, key[i].mod | NUMLOCKMASK, root);
arg@146: 		XUngrabKey(dpy, code, key[i].mod | NUMLOCKMASK | LockMask, root);
garbeam@76: 		XGrabKey(dpy, code, key[i].mod, root, True,
garbeam@76: 				GrabModeAsync, GrabModeAsync);
arg@146: 		XGrabKey(dpy, code, key[i].mod | NUMLOCKMASK, root, True,
arg@146: 				GrabModeAsync, GrabModeAsync);
arg@146: 		XGrabKey(dpy, code, key[i].mod | NUMLOCKMASK | LockMask, root, True,
arg@146: 				GrabModeAsync, GrabModeAsync);
garbeam@76: 	}
garbeam@76: }