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: #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: KEYS
garbeam@75: 
arg@291: #define CLEANMASK(mask) (mask & ~(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@268: 	int nw, nh;
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@268: 			if((nw = abs(ocx - ev.xmotion.x)))
arg@268: 				c->w = abs(ocx - ev.xmotion.x);
arg@268: 			if((nh = abs(ocy - ev.xmotion.y)))
arg@268: 				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) {
arg@362: 		x = 0;
arg@362: 		for(a.i = 0; a.i < ntags; a.i++) {
arg@362: 			x += textw(tags[a.i]);
arg@362: 			if(ev->x < x) {
arg@362: 				if(ev->button == Button1)
arg@362: 					view(&a);
arg@362: 				else if(ev->button == Button3)
arg@362: 					toggleview(&a);
arg@362: 				return;
garbeam@73: 			}
garbeam@73: 		}
arg@371: 		if(ev->x < x + bmw) {
arg@371: 			if(ev->button == Button1)
arg@371: 				togglemode(NULL);
arg@371: 		}
garbeam@73: 	}
garbeam@58: 	else if((c = getclient(ev->window))) {
arg@143: 		focus(c);
arg@372: 		if(CLEANMASK(ev->state) != MODKEY)
arg@318: 			return;
garbeam@18: 		switch(ev->button) {
garbeam@18: 		default:
garbeam@18: 			break;
garbeam@18: 		case Button1:
arg@270: 			if(!c->ismax && (arrange == dofloat || c->isfloat)) {
arg@270: 				restack(c);
arg@238: 				movemouse(c);
arg@270: 			}
arg@238: 			break;
arg@238: 		case Button2:
arg@248: 			zoom(NULL);
garbeam@18: 			break;
garbeam@18: 		case Button3:
arg@270: 			if(!c->ismax && (arrange == dofloat || c->isfloat)) {
arg@270: 				restack(c);
arg@99: 				resizemouse(c);
arg@270: 			}
garbeam@18: 			break;
garbeam@18: 		}
garbeam@18: 	}
garbeam@18: }
garbeam@18: 
garbeam@18: static void
arg@387: synconfig(Client *c, int x, int y, int w, int h, unsigned int border)
arg@387: {
arg@387: 	XEvent synev;
arg@387: 
arg@387: 	synev.type = ConfigureNotify;
arg@387: 	synev.xconfigure.display = dpy;
arg@387: 	synev.xconfigure.event = c->win;
arg@387: 	synev.xconfigure.window = c->win;
arg@387: 	synev.xconfigure.x = x;
arg@387: 	synev.xconfigure.y = y;
arg@387: 	synev.xconfigure.width = w;
arg@387: 	synev.xconfigure.height = h;
arg@387: 	synev.xconfigure.border_width = border;
arg@387: 	synev.xconfigure.above = None;
arg@387: 	XSendEvent(dpy, c->win, True, NoEventMask, &synev);
arg@387: }
arg@387: 
arg@387: static void
garbeam@5: configurerequest(XEvent *e)
garbeam@5: {
arg@286: 	unsigned long newmask;
arg@123: 	Client *c;
garbeam@5: 	XConfigureRequestEvent *ev = &e->xconfigurerequest;
garbeam@5: 	XWindowChanges wc;
garbeam@5: 
garbeam@18: 	if((c = getclient(ev->window))) {
arg@386: 		if(!c->isfloat && (arrange != dofloat) && c->ismax) {
arg@387: 			synconfig(c, sx, sy + bh, sw - 2, sh - 2 - bh, ev->border_width);
arg@387: 			XSync(dpy, False);
arg@386: 			return;
arg@386: 		}
garbeam@29: 		gravitate(c, True);
arg@195: 		if(ev->value_mask & CWX)
arg@195: 			c->x = ev->x;
arg@195: 		if(ev->value_mask & CWY)
arg@195: 			c->y = ev->y;
arg@195: 		if(ev->value_mask & CWWidth)
arg@195: 			c->w = ev->width;
arg@195: 		if(ev->value_mask & CWHeight)
arg@195: 			c->h = ev->height;
garbeam@29: 		if(ev->value_mask & CWBorderWidth)
arg@164: 			c->border = ev->border_width;
garbeam@29: 		gravitate(c, False);
arg@164: 		wc.x = c->x;
arg@164: 		wc.y = c->y;
arg@164: 		wc.width = c->w;
arg@164: 		wc.height = c->h;
arg@164: 		newmask = ev->value_mask & (~(CWSibling | CWStackMode | CWBorderWidth));
arg@164: 		if(newmask)
arg@164: 			XConfigureWindow(dpy, c->win, newmask, &wc);
arg@387: 		else
arg@387: 			synconfig(c, c->x, c->y, c->w, c->h, c->border);
arg@195: 		XSync(dpy, False);
arg@385: 		if(c->isfloat)
arg@385: 			resize(c, False, TopLeft);
arg@196: 		else
arg@196: 			arrange(NULL);
garbeam@5: 	}
arg@164: 	else {
arg@164: 		wc.x = ev->x;
arg@164: 		wc.y = ev->y;
arg@164: 		wc.width = ev->width;
arg@164: 		wc.height = ev->height;
arg@164: 		wc.border_width = ev->border_width;
arg@164: 		wc.sibling = ev->above;
arg@164: 		wc.stack_mode = ev->detail;
arg@164: 		XConfigureWindow(dpy, ev->window, ev->value_mask, &wc);
arg@195: 		XSync(dpy, False);
arg@164: 	}
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@232: 	if(ev->mode != NotifyNormal || ev->detail == NotifyInferior)
garbeam@5: 		return;
garbeam@5: 
arg@161: 	if((c = getclient(ev->window)) || (c = getctitle(ev->window)))
garbeam@13: 		focus(c);
arg@239: 	else if(ev->window == root) {
garbeam@31: 		issel = True;
arg@239: 		XSetInputFocus(dpy, root, RevertToPointerRoot, CurrentTime);
arg@239: 		drawall();
arg@239: 	}
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;
garbeam@76: 
garbeam@76: 	keysym = XKeycodeToKeysym(dpy, (KeyCode)ev->keycode, 0);
arg@275: 	for(i = 0; i < len; i++) {
arg@160: 		if(keysym == key[i].keysym &&
arg@275: 				CLEANMASK(key[i].mod) == CLEANMASK(ev->state))
arg@275: 		{
garbeam@76: 			if(key[i].func)
garbeam@76: 				key[i].func(&key[i].arg);
garbeam@76: 			return;
garbeam@76: 		}
arg@275: 	}
garbeam@76: }
garbeam@76: 
garbeam@76: static void
garbeam@76: leavenotify(XEvent *e)
garbeam@76: {
garbeam@76: 	XCrossingEvent *ev = &e->xcrossing;
garbeam@76: 
arg@239: 	if((ev->window == root) && !ev->same_screen) {
arg@239: 		issel = False;
arg@239: 		drawall();
arg@239: 	}
garbeam@76: }
garbeam@76: 
garbeam@76: static void
arg@279: mappingnotify(XEvent *e)
arg@279: {
arg@279: 	XMappingEvent *ev = &e->xmapping;
arg@279: 
arg@279: 	XRefreshKeyboardMapping(ev);
arg@279: 	if(ev->request == MappingKeyboard)
arg@279: 		grabkeys();
arg@279: }
arg@279: 
arg@279: 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,
arg@279: 	[MappingNotify] = mappingnotify,
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: 
arg@279: 	XUngrabKey(dpy, AnyKey, AnyModifier, root);
garbeam@76: 	for(i = 0; i < len; i++) {
garbeam@76: 		code = XKeysymToKeycode(dpy, key[i].keysym);
garbeam@76: 		XGrabKey(dpy, code, key[i].mod, root, True,
garbeam@76: 				GrabModeAsync, GrabModeAsync);
arg@160: 		XGrabKey(dpy, code, key[i].mod | LockMask, root, True,
arg@160: 				GrabModeAsync, GrabModeAsync);
arg@291: 		XGrabKey(dpy, code, key[i].mod | numlockmask, root, True,
arg@146: 				GrabModeAsync, GrabModeAsync);
arg@291: 		XGrabKey(dpy, code, key[i].mod | numlockmask | LockMask, root, True,
arg@146: 				GrabModeAsync, GrabModeAsync);
garbeam@76: 	}
garbeam@76: }
arg@292: 
arg@292: void
arg@292: procevent()
arg@292: {
arg@292: 	XEvent ev;
arg@292: 
arg@292: 	while(XPending(dpy)) {
arg@292: 		XNextEvent(dpy, &ev);
arg@292: 		if(handler[ev.type])
arg@292: 			(handler[ev.type])(&ev); /* call handler */
arg@292: 	}
arg@292: }
arg@292: