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removed ugly ban(), extended resize() that it only resets the size if necessary,...
[dwm.git] / view.c
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 <stdio.h>
6
7 /* static */
8
9 static Client *
10 nexttiled(Client *c) {
11         for(; c && (c->isfloat || !isvisible(c)); c = c->next);
12         return c;
13 }
14
15 static void
16 togglemax(Client *c) {
17         XEvent ev;
18                 
19         if(c->isfixed)
20                 return;
21
22         if((c->ismax = !c->ismax)) {
23                 c->rx = c->x;
24                 c->ry = c->y;
25                 c->rw = c->w;
26                 c->rh = c->h;
27                 resize(c, wax, way, waw - 2 * BORDERPX, wah - 2 * BORDERPX, True);
28         }
29         else
30                 resize(c, c->rx, c->ry, c->rw, c->rh, True);
31         while(XCheckMaskEvent(dpy, EnterWindowMask, &ev));
32 }
33
34 /* extern */
35
36 void (*arrange)(void) = DEFMODE;
37
38 void
39 detach(Client *c) {
40         if(c->prev)
41                 c->prev->next = c->next;
42         if(c->next)
43                 c->next->prev = c->prev;
44         if(c == clients)
45                 clients = c->next;
46         c->next = c->prev = NULL;
47 }
48
49 void
50 dofloat(void) {
51         Client *c;
52
53         for(c = clients; c; c = c->next) {
54                 if(isvisible(c)) {
55                         if(c->isbanned)
56                                 XMoveWindow(dpy, c->win, c->x, c->y);
57                         c->isbanned = False;
58                 }
59                 else {
60                         c->isbanned = True;
61                         XMoveWindow(dpy, c->win, c->x + 2 * sw, c->y);
62                 }
63         }
64         if(!sel || !isvisible(sel)) {
65                 for(c = stack; c && !isvisible(c); c = c->snext);
66                 focus(c);
67         }
68         restack();
69 }
70
71 void
72 dotile(void) {
73         unsigned int i, n, nx, ny, nw, nh, mw, mh, tw, th;
74         Client *c;
75
76         for(n = 0, c = nexttiled(clients); c; c = nexttiled(c->next))
77                 n++;
78         /* window geoms */
79         mh = (n > nmaster) ? wah / nmaster : wah / (n > 0 ? n : 1);
80         mw = (n > nmaster) ? (waw * master) / 1000 : waw;
81         th = (n > nmaster) ? wah / (n - nmaster) : 0;
82         tw = waw - mw;
83
84         for(i = 0, c = clients; c; c = c->next)
85                 if(isvisible(c)) {
86                         if(c->isbanned)
87                                 XMoveWindow(dpy, c->win, c->x, c->y);
88                         c->isbanned = False;
89                         if(c->isfloat)
90                                 continue;
91                         c->ismax = False;
92                         nx = wax;
93                         ny = way;
94                         if(i < nmaster) {
95                                 ny += i * mh;
96                                 nw = mw - 2 * BORDERPX;
97                                 nh = mh - 2 * BORDERPX;
98                         }
99                         else {  /* tile window */
100                                 nx += mw;
101                                 nw = tw - 2 * BORDERPX;
102                                 if(th > 2 * BORDERPX) {
103                                         ny += (i - nmaster) * th;
104                                         nh = th - 2 * BORDERPX;
105                                 }
106                                 else /* fallback if th <= 2 * BORDERPX */
107                                         nh = wah - 2 * BORDERPX;
108                         }
109                         resize(c, nx, ny, nw, nh, False);
110                         i++;
111                 }
112                 else {
113                         c->isbanned = True;
114                         XMoveWindow(dpy, c->win, c->x + 2 * sw, c->y);
115                 }
116         if(!sel || !isvisible(sel)) {
117                 for(c = stack; c && !isvisible(c); c = c->snext);
118                 focus(c);
119         }
120         restack();
121 }
122
123 void
124 focusnext(Arg *arg) {
125         Client *c;
126    
127         if(!sel)
128                 return;
129         for(c = sel->next; c && !isvisible(c); c = c->next);
130         if(!c)
131                 for(c = clients; c && !isvisible(c); c = c->next);
132         if(c) {
133                 focus(c);
134                 restack();
135         }
136 }
137
138 void
139 focusprev(Arg *arg) {
140         Client *c;
141
142         if(!sel)
143                 return;
144         for(c = sel->prev; c && !isvisible(c); c = c->prev);
145         if(!c) {
146                 for(c = clients; c && c->next; c = c->next);
147                 for(; c && !isvisible(c); c = c->prev);
148         }
149         if(c) {
150                 focus(c);
151                 restack();
152         }
153 }
154
155 void
156 incnmaster(Arg *arg) {
157         if((arrange == dofloat) || (nmaster + arg->i < 1)
158         || (wah / (nmaster + arg->i) <= 2 * BORDERPX))
159                 return;
160         nmaster += arg->i;
161         if(sel)
162                 arrange();
163         else
164                 drawstatus();
165 }
166
167 Bool
168 isvisible(Client *c) {
169         unsigned int i;
170
171         for(i = 0; i < ntags; i++)
172                 if(c->tags[i] && seltag[i])
173                         return True;
174         return False;
175 }
176
177 void
178 resizemaster(Arg *arg) {
179         if(arg->i == 0)
180                 master = MASTER;
181         else {
182                 if(waw * (master + arg->i) / 1000 >= waw - 2 * BORDERPX
183                 || waw * (master + arg->i) / 1000 <= 2 * BORDERPX)
184                         return;
185                 master += arg->i;
186         }
187         arrange();
188 }
189
190 void
191 restack(void) {
192         Client *c;
193         XEvent ev;
194
195         drawstatus();
196         if(!sel)
197                 return;
198         if(sel->isfloat || arrange == dofloat)
199                 XRaiseWindow(dpy, sel->win);
200         if(arrange != dofloat) {
201                 if(!sel->isfloat)
202                         XLowerWindow(dpy, sel->win);
203                 for(c = nexttiled(clients); c; c = nexttiled(c->next)) {
204                         if(c == sel)
205                                 continue;
206                         XLowerWindow(dpy, c->win);
207                 }
208         }
209         XSync(dpy, False);
210         while(XCheckMaskEvent(dpy, EnterWindowMask, &ev));
211 }
212
213 void
214 togglefloat(Arg *arg) {
215         if(!sel || arrange == dofloat)
216                 return;
217         sel->isfloat = !sel->isfloat;
218         arrange();
219 }
220
221 void
222 togglemode(Arg *arg) {
223         arrange = (arrange == dofloat) ? dotile : dofloat;
224         if(sel)
225                 arrange();
226         else
227                 drawstatus();
228 }
229
230 void
231 toggleview(Arg *arg) {
232         unsigned int i;
233
234         seltag[arg->i] = !seltag[arg->i];
235         for(i = 0; i < ntags && !seltag[i]; i++);
236         if(i == ntags)
237                 seltag[arg->i] = True; /* cannot toggle last view */
238         arrange();
239 }
240
241 void
242 view(Arg *arg) {
243         unsigned int i;
244
245         for(i = 0; i < ntags; i++)
246                 seltag[i] = (arg->i == -1) ? True : False;
247         if(arg->i >= 0 && arg->i < ntags)
248                 seltag[arg->i] = True;
249         arrange();
250 }
251
252 void
253 zoom(Arg *arg) {
254         unsigned int n;
255         Client *c;
256
257         if(!sel)
258                 return;
259         if(sel->isfloat || (arrange == dofloat)) {
260                 togglemax(sel);
261                 return;
262         }
263         for(n = 0, c = nexttiled(clients); c; c = nexttiled(c->next))
264                 n++;
265
266         if((c = sel) == nexttiled(clients))
267                 if(!(c = nexttiled(c->next)))
268                         return;
269         detach(c);
270         if(clients)
271                 clients->prev = c;
272         c->next = clients;
273         clients = c;
274         focus(c);
275         arrange();
276 }