1/*
  2 * (C)opyright MMVI Anselm R. Garbe <garbeam at gmail dot com>
  3 * See LICENSE file for license details.
  4 */
  5#include "dwm.h"
  6
  7#include <stdlib.h>
  8#include <X11/keysym.h>
  9#include <X11/Xatom.h>
 10
 11#define ButtonMask      (ButtonPressMask | ButtonReleaseMask)
 12#define MouseMask       (ButtonMask | PointerMotionMask)
 13
 14/* CUSTOMIZE */
 15
 16typedef struct {
 17	unsigned long mod;
 18	KeySym keysym;
 19	void (*func)(Arg *arg);
 20	Arg arg;
 21} Key;
 22
 23const char *browse[] = { "firefox", NULL };
 24const char *gimp[] = { "gimp", NULL };
 25const char *term[] = { 
 26	"urxvtc", "-tr", "+sb", "-bg", "black", "-fg", "white", "-cr", "white",
 27	"-fn", "-*-terminus-medium-*-*-*-13-*-*-*-*-*-iso10646-*", NULL
 28};
 29const char *xlock[] = { "xlock", NULL };
 30
 31static Key key[] = {
 32	/* modifier		key		function	arguments */
 33	{ MODKEY,		XK_0,		view,		{ .i = Tfnord } }, 
 34	{ MODKEY,		XK_1,		view,		{ .i = Tdev } }, 
 35	{ MODKEY,		XK_2,		view,		{ .i = Tnet } }, 
 36	{ MODKEY,		XK_3,		view,		{ .i = Twork } }, 
 37	{ MODKEY,		XK_4,		view,		{ .i = Tmisc} }, 
 38	{ MODKEY,		XK_j,		focusnext,	{ 0 } }, 
 39	{ MODKEY,		XK_k,		focusprev,	{ 0 } },
 40	{ MODKEY,		XK_m,		togglemax,	{ 0 } }, 
 41	{ MODKEY,		XK_space,	togglemode,	{ 0 } }, 
 42	{ MODKEY,		XK_Return,	zoom,		{ 0 } },
 43	{ MODKEY|ControlMask,	XK_0,		appendtag,	{ .i = Tfnord } }, 
 44	{ MODKEY|ControlMask,	XK_1,		appendtag,	{ .i = Tdev } }, 
 45	{ MODKEY|ControlMask,	XK_2,		appendtag,	{ .i = Tnet } }, 
 46	{ MODKEY|ControlMask,	XK_3,		appendtag,	{ .i = Twork } }, 
 47	{ MODKEY|ControlMask,	XK_4,		appendtag,	{ .i = Tmisc } }, 
 48	{ MODKEY|ShiftMask,	XK_0,		replacetag,	{ .i = Tfnord } }, 
 49	{ MODKEY|ShiftMask,	XK_1,		replacetag,	{ .i = Tdev } }, 
 50	{ MODKEY|ShiftMask,	XK_2,		replacetag,	{ .i = Tnet } }, 
 51	{ MODKEY|ShiftMask,	XK_3,		replacetag,	{ .i = Twork } }, 
 52	{ MODKEY|ShiftMask,	XK_4,		replacetag,	{ .i = Tmisc } }, 
 53	{ MODKEY|ShiftMask,	XK_c,		killclient,	{ 0 } }, 
 54	{ MODKEY|ShiftMask,	XK_g,		spawn,		{ .argv = gimp } },
 55	{ MODKEY|ShiftMask,	XK_l,		spawn,		{ .argv = xlock } },
 56	{ MODKEY|ShiftMask,	XK_q,		quit,		{ 0 } },
 57	{ MODKEY|ShiftMask,	XK_w,		spawn,		{ .argv = browse } },
 58	{ MODKEY|ShiftMask,	XK_Return,	spawn,		{ .argv = term } },
 59};
 60
 61/* END CUSTOMIZE */
 62
 63/* static */
 64
 65static void
 66movemouse(Client *c)
 67{
 68	int x1, y1, ocx, ocy, di;
 69	unsigned int dui;
 70	Window dummy;
 71	XEvent ev;
 72
 73	ocx = c->x;
 74	ocy = c->y;
 75	if(XGrabPointer(dpy, root, False, MouseMask, GrabModeAsync, GrabModeAsync,
 76			None, cursor[CurMove], CurrentTime) != GrabSuccess)
 77		return;
 78	XQueryPointer(dpy, root, &dummy, &dummy, &x1, &y1, &di, &di, &dui);
 79	for(;;) {
 80		XMaskEvent(dpy, MouseMask | ExposureMask, &ev);
 81		switch (ev.type) {
 82		default: break;
 83		case Expose:
 84			handler[Expose](&ev);
 85			break;
 86		case MotionNotify:
 87			XSync(dpy, False);
 88			c->x = ocx + (ev.xmotion.x - x1);
 89			c->y = ocy + (ev.xmotion.y - y1);
 90			resize(c, False, TopLeft);
 91			break;
 92		case ButtonRelease:
 93			XUngrabPointer(dpy, CurrentTime);
 94			return;
 95		}
 96	}
 97}
 98
 99static void
100resizemouse(Client *c)
101{
102	int ocx, ocy;
103	Corner sticky;
104	XEvent ev;
105
106	ocx = c->x;
107	ocy = c->y;
108	if(XGrabPointer(dpy, root, False, MouseMask, GrabModeAsync, GrabModeAsync,
109				None, cursor[CurResize], CurrentTime) != GrabSuccess)
110		return;
111	XWarpPointer(dpy, None, c->win, 0, 0, 0, 0, c->w, c->h);
112	for(;;) {
113		XMaskEvent(dpy, MouseMask | ExposureMask, &ev);
114		switch(ev.type) {
115		default: break;
116		case Expose:
117			handler[Expose](&ev);
118			break;
119		case MotionNotify:
120			XSync(dpy, False);
121			c->w = abs(ocx - ev.xmotion.x);
122			c->h = abs(ocy - ev.xmotion.y);
123			c->x = (ocx <= ev.xmotion.x) ? ocx : ocx - c->w;
124			c->y = (ocy <= ev.xmotion.y) ? ocy : ocy - c->h;
125			if(ocx <= ev.xmotion.x)
126				sticky = (ocy <= ev.xmotion.y) ? TopLeft : BotLeft;
127			else
128				sticky = (ocy <= ev.xmotion.y) ? TopRight : BotRight;
129			resize(c, True, sticky);
130			break;
131		case ButtonRelease:
132			XUngrabPointer(dpy, CurrentTime);
133			return;
134		}
135	}
136}
137
138static void
139buttonpress(XEvent *e)
140{
141	int x;
142	Arg a;
143	Client *c;
144	XButtonPressedEvent *ev = &e->xbutton;
145
146	if(barwin == ev->window) {
147		switch(ev->button) {
148		default:
149			x = 0;
150			for(a.i = 0; a.i < TLast; a.i++) {
151				x += textw(tags[a.i]);
152				if(ev->x < x) {
153					view(&a);
154					break;
155				}
156			}
157			break;
158		case Button4:
159			a.i = (tsel + 1 < TLast) ? tsel + 1 : 0;
160			view(&a);
161			break;
162		case Button5:
163			a.i = (tsel - 1 >= 0) ? tsel - 1 : TLast - 1;
164			view(&a);
165			break;
166		}
167	}
168	else if((c = getclient(ev->window))) {
169		switch(ev->button) {
170		default:
171			break;
172		case Button1:
173			if(!c->ismax && (arrange == dofloat || c->isfloat)) {
174				higher(c);
175				movemouse(c);
176			}
177			break;
178		case Button2:
179			lower(c);
180			break;
181		case Button3:
182			if(!c->ismax && (arrange == dofloat || c->isfloat)) {
183				higher(c);
184				resizemouse(c);
185			}
186			break;
187		}
188	}
189}
190
191static void
192configurerequest(XEvent *e)
193{
194	Client *c;
195	XConfigureRequestEvent *ev = &e->xconfigurerequest;
196	XWindowChanges wc;
197
198	ev->value_mask &= ~CWSibling;
199	if((c = getclient(ev->window))) {
200		gravitate(c, True);
201		if(ev->value_mask & CWX)
202			c->x = ev->x;
203		if(ev->value_mask & CWY)
204			c->y = ev->y;
205		if(ev->value_mask & CWWidth)
206			c->w = ev->width;
207		if(ev->value_mask & CWHeight)
208			c->h = ev->height;
209		if(ev->value_mask & CWBorderWidth)
210			c->border = 1;
211		gravitate(c, False);
212		resize(c, True, TopLeft);
213	}
214
215	wc.x = ev->x;
216	wc.y = ev->y;
217	wc.width = ev->width;
218	wc.height = ev->height;
219	wc.border_width = 1;
220	wc.sibling = None;
221	wc.stack_mode = Above;
222	ev->value_mask &= ~CWStackMode;
223	ev->value_mask |= CWBorderWidth;
224	XConfigureWindow(dpy, ev->window, ev->value_mask, &wc);
225	XSync(dpy, False);
226}
227
228static void
229destroynotify(XEvent *e)
230{
231	Client *c;
232	XDestroyWindowEvent *ev = &e->xdestroywindow;
233
234	if((c = getclient(ev->window)))
235		unmanage(c);
236}
237
238static void
239enternotify(XEvent *e)
240{
241	Client *c;
242	XCrossingEvent *ev = &e->xcrossing;
243
244	if(ev->mode != NotifyNormal || ev->detail == NotifyInferior)
245		return;
246
247	if((c = getclient(ev->window)))
248		focus(c);
249	else if(ev->window == root)
250		issel = True;
251}
252
253static void
254expose(XEvent *e)
255{
256	Client *c;
257	XExposeEvent *ev = &e->xexpose;
258
259	if(ev->count == 0) {
260		if(barwin == ev->window)
261			drawstatus();
262		else if((c = getctitle(ev->window)))
263			drawtitle(c);
264	}
265}
266
267static void
268keypress(XEvent *e)
269{
270	static unsigned int len = key ? sizeof(key) / sizeof(key[0]) : 0;
271	unsigned int i;
272	KeySym keysym;
273	XKeyEvent *ev = &e->xkey;
274
275	keysym = XKeycodeToKeysym(dpy, (KeyCode)ev->keycode, 0);
276	for(i = 0; i < len; i++)
277		if((keysym == key[i].keysym) && (key[i].mod == ev->state)) {
278			if(key[i].func)
279				key[i].func(&key[i].arg);
280			return;
281		}
282}
283
284static void
285leavenotify(XEvent *e)
286{
287	XCrossingEvent *ev = &e->xcrossing;
288
289	if((ev->window == root) && !ev->same_screen)
290		issel = True;
291}
292
293static void
294maprequest(XEvent *e)
295{
296	static XWindowAttributes wa;
297	XMapRequestEvent *ev = &e->xmaprequest;
298
299	if(!XGetWindowAttributes(dpy, ev->window, &wa))
300		return;
301
302	if(wa.override_redirect) {
303		XSelectInput(dpy, ev->window,
304				(StructureNotifyMask | PropertyChangeMask));
305		return;
306	}
307
308	if(!getclient(ev->window))
309		manage(ev->window, &wa);
310}
311
312static void
313propertynotify(XEvent *e)
314{
315	Client *c;
316	Window trans;
317	XPropertyEvent *ev = &e->xproperty;
318
319	if(ev->state == PropertyDelete)
320		return; /* ignore */
321
322	if((c = getclient(ev->window))) {
323		if(ev->atom == wmatom[WMProtocols]) {
324			c->proto = getproto(c->win);
325			return;
326		}
327		switch (ev->atom) {
328			default: break;
329			case XA_WM_TRANSIENT_FOR:
330				XGetTransientForHint(dpy, c->win, &trans);
331				if(!c->isfloat && (c->isfloat = (trans != 0)))
332					arrange(NULL);
333				break;
334			case XA_WM_NORMAL_HINTS:
335				setsize(c);
336				break;
337		}
338		if(ev->atom == XA_WM_NAME || ev->atom == netatom[NetWMName]) {
339			settitle(c);
340			drawtitle(c);
341		}
342	}
343}
344
345static void
346unmapnotify(XEvent *e)
347{
348	Client *c;
349	XUnmapEvent *ev = &e->xunmap;
350
351	if((c = getclient(ev->window)))
352		unmanage(c);
353}
354
355/* extern */
356
357void (*handler[LASTEvent]) (XEvent *) = {
358	[ButtonPress] = buttonpress,
359	[ConfigureRequest] = configurerequest,
360	[DestroyNotify] = destroynotify,
361	[EnterNotify] = enternotify,
362	[LeaveNotify] = leavenotify,
363	[Expose] = expose,
364	[KeyPress] = keypress,
365	[MapRequest] = maprequest,
366	[PropertyNotify] = propertynotify,
367	[UnmapNotify] = unmapnotify
368};
369
370void
371grabkeys()
372{
373	static unsigned int len = key ? sizeof(key) / sizeof(key[0]) : 0;
374	unsigned int i;
375	KeyCode code;
376
377	for(i = 0; i < len; i++) {
378		code = XKeysymToKeycode(dpy, key[i].keysym);
379		XUngrabKey(dpy, code, key[i].mod, root);
380		XGrabKey(dpy, code, key[i].mod, root, True,
381				GrabModeAsync, GrabModeAsync);
382	}
383}