screen.c
changeset 790 48e7c3b45250
parent 789 3edec0a35000
child 791 9ab130668f41
equal deleted inserted replaced
789:3edec0a35000 790:48e7c3b45250
     1 /* (C)opyright MMVI-MMVII Anselm R. Garbe <garbeam at gmail dot com>
       
     2  * See LICENSE file for license details.
       
     3  */
       
     4 #include "dwm.h"
       
     5 #include <regex.h>
       
     6 #include <stdio.h>
       
     7 #include <stdlib.h>
       
     8 #include <string.h>
       
     9 #include <sys/types.h>
       
    10 #include <X11/Xutil.h>
       
    11 
       
    12 unsigned int master = MASTER;
       
    13 unsigned int nmaster = NMASTER;
       
    14 unsigned int blw = 0;
       
    15 Layout *lt = NULL;
       
    16 
       
    17 /* static */
       
    18 
       
    19 typedef struct {
       
    20 	const char *prop;
       
    21 	const char *tags;
       
    22 	Bool isversatile;
       
    23 } Rule;
       
    24 
       
    25 typedef struct {
       
    26 	regex_t *propregex;
       
    27 	regex_t *tagregex;
       
    28 } Regs;
       
    29 
       
    30 TAGS
       
    31 RULES
       
    32 
       
    33 static Regs *regs = NULL;
       
    34 static unsigned int nrules = 0;
       
    35 static unsigned int nlayouts = 0;
       
    36 
       
    37 static void
       
    38 tile(void) {
       
    39 	unsigned int i, n, nx, ny, nw, nh, mw, mh, tw, th;
       
    40 	Client *c;
       
    41 
       
    42 	for(n = 0, c = nexttiled(clients); c; c = nexttiled(c->next))
       
    43 		n++;
       
    44 	/* window geoms */
       
    45 	mh = (n > nmaster) ? wah / nmaster : wah / (n > 0 ? n : 1);
       
    46 	mw = (n > nmaster) ? (waw * master) / 1000 : waw;
       
    47 	th = (n > nmaster) ? wah / (n - nmaster) : 0;
       
    48 	tw = waw - mw;
       
    49 
       
    50 	for(i = 0, c = clients; c; c = c->next)
       
    51 		if(isvisible(c)) {
       
    52 			if(c->isbanned)
       
    53 				XMoveWindow(dpy, c->win, c->x, c->y);
       
    54 			c->isbanned = False;
       
    55 			if(c->isversatile)
       
    56 				continue;
       
    57 			c->ismax = False;
       
    58 			nx = wax;
       
    59 			ny = way;
       
    60 			if(i < nmaster) {
       
    61 				ny += i * mh;
       
    62 				nw = mw - 2 * BORDERPX;
       
    63 				nh = mh - 2 * BORDERPX;
       
    64 			}
       
    65 			else {  /* tile window */
       
    66 				nx += mw;
       
    67 				nw = tw - 2 * BORDERPX;
       
    68 				if(th > 2 * BORDERPX) {
       
    69 					ny += (i - nmaster) * th;
       
    70 					nh = th - 2 * BORDERPX;
       
    71 				}
       
    72 				else /* fallback if th <= 2 * BORDERPX */
       
    73 					nh = wah - 2 * BORDERPX;
       
    74 			}
       
    75 			resize(c, nx, ny, nw, nh, False);
       
    76 			i++;
       
    77 		}
       
    78 		else {
       
    79 			c->isbanned = True;
       
    80 			XMoveWindow(dpy, c->win, c->x + 2 * sw, c->y);
       
    81 		}
       
    82 	if(!sel || !isvisible(sel)) {
       
    83 		for(c = stack; c && !isvisible(c); c = c->snext);
       
    84 		focus(c);
       
    85 	}
       
    86 	restack();
       
    87 }
       
    88 
       
    89 LAYOUTS
       
    90 
       
    91 /* extern */
       
    92 
       
    93 void
       
    94 compileregs(void) {
       
    95 	unsigned int i;
       
    96 	regex_t *reg;
       
    97 
       
    98 	if(regs)
       
    99 		return;
       
   100 	nrules = sizeof rule / sizeof rule[0];
       
   101 	regs = emallocz(nrules * sizeof(Regs));
       
   102 	for(i = 0; i < nrules; i++) {
       
   103 		if(rule[i].prop) {
       
   104 			reg = emallocz(sizeof(regex_t));
       
   105 			if(regcomp(reg, rule[i].prop, REG_EXTENDED))
       
   106 				free(reg);
       
   107 			else
       
   108 				regs[i].propregex = reg;
       
   109 		}
       
   110 		if(rule[i].tags) {
       
   111 			reg = emallocz(sizeof(regex_t));
       
   112 			if(regcomp(reg, rule[i].tags, REG_EXTENDED))
       
   113 				free(reg);
       
   114 			else
       
   115 				regs[i].tagregex = reg;
       
   116 		}
       
   117 	}
       
   118 }
       
   119 
       
   120 void
       
   121 incnmaster(Arg *arg) {
       
   122 	if((lt->arrange != tile) || (nmaster + arg->i < 1)
       
   123 	|| (wah / (nmaster + arg->i) <= 2 * BORDERPX))
       
   124 		return;
       
   125 	nmaster += arg->i;
       
   126 	if(sel)
       
   127 		lt->arrange();
       
   128 	else
       
   129 		drawstatus();
       
   130 }
       
   131 
       
   132 void
       
   133 initlayouts(void) {
       
   134 	unsigned int i, w;
       
   135 
       
   136 	lt = &layout[0];
       
   137 	nlayouts = sizeof layout / sizeof layout[0];
       
   138 	for(blw = i = 0; i < nlayouts; i++) {
       
   139 		w = textw(layout[i].symbol);
       
   140 		if(w > blw)
       
   141 			blw = w;
       
   142 	}
       
   143 }
       
   144 
       
   145 Bool
       
   146 isvisible(Client *c) {
       
   147 	unsigned int i;
       
   148 
       
   149 	for(i = 0; i < ntags; i++)
       
   150 		if(c->tags[i] && seltag[i])
       
   151 			return True;
       
   152 	return False;
       
   153 }
       
   154 
       
   155 void
       
   156 resizemaster(Arg *arg) {
       
   157 	if(lt->arrange != tile)
       
   158 		return;
       
   159 	if(arg->i == 0)
       
   160 		master = MASTER;
       
   161 	else {
       
   162 		if(waw * (master + arg->i) / 1000 >= waw - 2 * BORDERPX
       
   163 		|| waw * (master + arg->i) / 1000 <= 2 * BORDERPX)
       
   164 			return;
       
   165 		master += arg->i;
       
   166 	}
       
   167 	lt->arrange();
       
   168 }
       
   169 
       
   170 void
       
   171 restack(void) {
       
   172 	Client *c;
       
   173 	XEvent ev;
       
   174 
       
   175 	drawstatus();
       
   176 	if(!sel)
       
   177 		return;
       
   178 	if(sel->isversatile || lt->arrange == versatile)
       
   179 		XRaiseWindow(dpy, sel->win);
       
   180 	if(lt->arrange != versatile) {
       
   181 		if(!sel->isversatile)
       
   182 			XLowerWindow(dpy, sel->win);
       
   183 		for(c = nexttiled(clients); c; c = nexttiled(c->next)) {
       
   184 			if(c == sel)
       
   185 				continue;
       
   186 			XLowerWindow(dpy, c->win);
       
   187 		}
       
   188 	}
       
   189 	XSync(dpy, False);
       
   190 	while(XCheckMaskEvent(dpy, EnterWindowMask, &ev));
       
   191 }
       
   192 
       
   193 void
       
   194 setlayout(Arg *arg) {
       
   195 	unsigned int i;
       
   196 
       
   197 	if(arg->i == -1) {
       
   198 		for(i = 0; i < nlayouts && lt != &layout[i]; i++);
       
   199 		if(i == nlayouts - 1)
       
   200 			lt = &layout[0];
       
   201 		else
       
   202 			lt = &layout[++i];
       
   203 	}
       
   204 	else {
       
   205 		if(arg->i < 0 || arg->i >= nlayouts)
       
   206 			return;
       
   207 		lt = &layout[arg->i];
       
   208 	}
       
   209 	if(sel)
       
   210 		lt->arrange();
       
   211 	else
       
   212 		drawstatus();
       
   213 }
       
   214 
       
   215 void
       
   216 settags(Client *c, Client *trans) {
       
   217 	char prop[512];
       
   218 	unsigned int i, j;
       
   219 	regmatch_t tmp;
       
   220 	Bool matched = trans != NULL;
       
   221 	XClassHint ch = { 0 };
       
   222 
       
   223 	if(matched)
       
   224 		for(i = 0; i < ntags; i++)
       
   225 			c->tags[i] = trans->tags[i];
       
   226 	else {
       
   227 		XGetClassHint(dpy, c->win, &ch);
       
   228 		snprintf(prop, sizeof prop, "%s:%s:%s",
       
   229 				ch.res_class ? ch.res_class : "",
       
   230 				ch.res_name ? ch.res_name : "", c->name);
       
   231 		for(i = 0; i < nrules; i++)
       
   232 			if(regs[i].propregex && !regexec(regs[i].propregex, prop, 1, &tmp, 0)) {
       
   233 				c->isversatile = rule[i].isversatile;
       
   234 				for(j = 0; regs[i].tagregex && j < ntags; j++) {
       
   235 					if(!regexec(regs[i].tagregex, tags[j], 1, &tmp, 0)) {
       
   236 						matched = True;
       
   237 						c->tags[j] = True;
       
   238 					}
       
   239 				}
       
   240 			}
       
   241 		if(ch.res_class)
       
   242 			XFree(ch.res_class);
       
   243 		if(ch.res_name)
       
   244 			XFree(ch.res_name);
       
   245 	}
       
   246 	if(!matched)
       
   247 		for(i = 0; i < ntags; i++)
       
   248 			c->tags[i] = seltag[i];
       
   249 }
       
   250 
       
   251 void
       
   252 tag(Arg *arg) {
       
   253 	unsigned int i;
       
   254 
       
   255 	if(!sel)
       
   256 		return;
       
   257 	for(i = 0; i < ntags; i++)
       
   258 		sel->tags[i] = (arg->i == -1) ? True : False;
       
   259 	if(arg->i >= 0 && arg->i < ntags)
       
   260 		sel->tags[arg->i] = True;
       
   261 	lt->arrange();
       
   262 }
       
   263 
       
   264 void
       
   265 toggletag(Arg *arg) {
       
   266 	unsigned int i;
       
   267 
       
   268 	if(!sel)
       
   269 		return;
       
   270 	sel->tags[arg->i] = !sel->tags[arg->i];
       
   271 	for(i = 0; i < ntags && !sel->tags[i]; i++);
       
   272 	if(i == ntags)
       
   273 		sel->tags[arg->i] = True;
       
   274 	lt->arrange();
       
   275 }
       
   276 
       
   277 void
       
   278 toggleversatile(Arg *arg) {
       
   279 	if(!sel || lt->arrange == versatile)
       
   280 		return;
       
   281 	sel->isversatile = !sel->isversatile;
       
   282 	lt->arrange();
       
   283 }
       
   284 
       
   285 void
       
   286 toggleview(Arg *arg) {
       
   287 	unsigned int i;
       
   288 
       
   289 	seltag[arg->i] = !seltag[arg->i];
       
   290 	for(i = 0; i < ntags && !seltag[i]; i++);
       
   291 	if(i == ntags)
       
   292 		seltag[arg->i] = True; /* cannot toggle last view */
       
   293 	lt->arrange();
       
   294 }
       
   295 
       
   296 void
       
   297 versatile(void) {
       
   298 	Client *c;
       
   299 
       
   300 	for(c = clients; c; c = c->next) {
       
   301 		if(isvisible(c)) {
       
   302 			if(c->isbanned)
       
   303 				XMoveWindow(dpy, c->win, c->x, c->y);
       
   304 			c->isbanned = False;
       
   305 			resize(c, c->x, c->y, c->w, c->h, True);
       
   306 		}
       
   307 		else {
       
   308 			c->isbanned = True;
       
   309 			XMoveWindow(dpy, c->win, c->x + 2 * sw, c->y);
       
   310 		}
       
   311 	}
       
   312 	if(!sel || !isvisible(sel)) {
       
   313 		for(c = stack; c && !isvisible(c); c = c->snext);
       
   314 		focus(c);
       
   315 	}
       
   316 	restack();
       
   317 }
       
   318 
       
   319 void
       
   320 view(Arg *arg) {
       
   321 	unsigned int i;
       
   322 
       
   323 	for(i = 0; i < ntags; i++)
       
   324 		seltag[i] = (arg->i == -1) ? True : False;
       
   325 	if(arg->i >= 0 && arg->i < ntags)
       
   326 		seltag[arg->i] = True;
       
   327 	lt->arrange();
       
   328 }