dwm-meillo

annotate client.c @ 264:afcea99a4f3f

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updated man page, added CAVEATS section
author Anselm R.Garbe <arg@10ksloc.org>
date Sun, 13 Aug 2006 18:04:42 +0200
parents 3692c9324977
children dacd3f3c5823
rev   line source
garbeam@5 1 /*
garbeam@5 2 * (C)opyright MMVI Anselm R. Garbe <garbeam at gmail dot com>
garbeam@5 3 * See LICENSE file for license details.
garbeam@5 4 */
garbeam@76 5 #include "dwm.h"
garbeam@10 6 #include <stdlib.h>
garbeam@5 7 #include <string.h>
garbeam@5 8 #include <X11/Xatom.h>
garbeam@32 9 #include <X11/Xutil.h>
garbeam@5 10
garbeam@76 11 /* static functions */
garbeam@50 12
garbeam@26 13 static void
garbeam@75 14 resizetitle(Client *c)
garbeam@26 15 {
garbeam@31 16 int i;
garbeam@31 17
arg@115 18 c->tw = 0;
arg@178 19 for(i = 0; i < ntags; i++)
garbeam@31 20 if(c->tags[i])
arg@173 21 c->tw += textw(tags[i]);
arg@115 22 c->tw += textw(c->name);
arg@115 23 if(c->tw > c->w)
arg@115 24 c->tw = c->w + 2;
arg@115 25 c->tx = c->x + c->w - c->tw + 2;
arg@115 26 c->ty = c->y;
arg@261 27 if(isvisible(c))
arg@115 28 XMoveResizeWindow(dpy, c->title, c->tx, c->ty, c->tw, c->th);
arg@106 29 else
arg@115 30 XMoveResizeWindow(dpy, c->title, c->tx + 2 * sw, c->ty, c->tw, c->th);
arg@106 31
garbeam@26 32 }
garbeam@18 33
garbeam@76 34 static int
garbeam@76 35 xerrordummy(Display *dsply, XErrorEvent *ee)
garbeam@5 36 {
garbeam@76 37 return 0;
garbeam@5 38 }
garbeam@5 39
garbeam@76 40 /* extern functions */
garbeam@20 41
garbeam@20 42 void
garbeam@76 43 ban(Client *c)
garbeam@26 44 {
arg@115 45 XMoveWindow(dpy, c->win, c->x + 2 * sw, c->y);
arg@115 46 XMoveWindow(dpy, c->title, c->tx + 2 * sw, c->ty);
garbeam@26 47 }
garbeam@26 48
garbeam@26 49 void
garbeam@13 50 focus(Client *c)
garbeam@13 51 {
arg@239 52 if (!issel)
arg@239 53 return;
garbeam@52 54 Client *old = sel;
garbeam@63 55 XEvent ev;
garbeam@52 56
garbeam@50 57 sel = c;
garbeam@52 58 if(old && old != c)
garbeam@74 59 drawtitle(old);
garbeam@74 60 drawtitle(c);
garbeam@26 61 XSetInputFocus(dpy, c->win, RevertToPointerRoot, CurrentTime);
garbeam@79 62 XSync(dpy, False);
garbeam@63 63 while(XCheckMaskEvent(dpy, EnterWindowMask, &ev));
garbeam@13 64 }
garbeam@13 65
garbeam@13 66 void
garbeam@76 67 focusnext(Arg *arg)
garbeam@76 68 {
garbeam@76 69 Client *c;
garbeam@76 70
garbeam@76 71 if(!sel)
garbeam@76 72 return;
garbeam@76 73
arg@124 74 if(sel->ismax)
arg@124 75 togglemax(NULL);
arg@124 76
arg@142 77 if(!(c = getnext(sel->next)))
arg@142 78 c = getnext(clients);
garbeam@76 79 if(c) {
garbeam@76 80 higher(c);
garbeam@76 81 focus(c);
garbeam@76 82 }
garbeam@76 83 }
garbeam@76 84
garbeam@76 85 void
garbeam@76 86 focusprev(Arg *arg)
garbeam@76 87 {
garbeam@76 88 Client *c;
garbeam@76 89
garbeam@76 90 if(!sel)
garbeam@76 91 return;
garbeam@76 92
arg@124 93 if(sel->ismax)
arg@124 94 togglemax(NULL);
arg@124 95
arg@127 96 if(!(c = getprev(sel->prev))) {
arg@127 97 for(c = clients; c && c->next; c = c->next);
arg@127 98 c = getprev(c);
arg@127 99 }
arg@127 100 if(c) {
garbeam@76 101 higher(c);
garbeam@76 102 focus(c);
garbeam@76 103 }
garbeam@76 104 }
garbeam@76 105
garbeam@76 106 Client *
garbeam@76 107 getclient(Window w)
garbeam@76 108 {
garbeam@76 109 Client *c;
arg@123 110
garbeam@76 111 for(c = clients; c; c = c->next)
garbeam@76 112 if(c->win == w)
garbeam@76 113 return c;
garbeam@76 114 return NULL;
garbeam@76 115 }
garbeam@76 116
garbeam@76 117 Client *
garbeam@76 118 getctitle(Window w)
garbeam@76 119 {
garbeam@76 120 Client *c;
arg@123 121
garbeam@76 122 for(c = clients; c; c = c->next)
garbeam@76 123 if(c->title == w)
garbeam@76 124 return c;
garbeam@76 125 return NULL;
garbeam@76 126 }
garbeam@76 127
garbeam@76 128 void
garbeam@76 129 gravitate(Client *c, Bool invert)
garbeam@76 130 {
garbeam@76 131 int dx = 0, dy = 0;
garbeam@76 132
garbeam@76 133 switch(c->grav) {
arg@127 134 default:
arg@127 135 break;
garbeam@76 136 case StaticGravity:
garbeam@76 137 case NorthWestGravity:
garbeam@76 138 case NorthGravity:
garbeam@76 139 case NorthEastGravity:
garbeam@76 140 dy = c->border;
garbeam@76 141 break;
garbeam@76 142 case EastGravity:
garbeam@76 143 case CenterGravity:
garbeam@76 144 case WestGravity:
arg@115 145 dy = -(c->h / 2) + c->border;
garbeam@76 146 break;
garbeam@76 147 case SouthEastGravity:
garbeam@76 148 case SouthGravity:
garbeam@76 149 case SouthWestGravity:
arg@115 150 dy = -(c->h);
garbeam@76 151 break;
garbeam@76 152 }
garbeam@76 153
garbeam@76 154 switch (c->grav) {
arg@127 155 default:
arg@127 156 break;
garbeam@76 157 case StaticGravity:
garbeam@76 158 case NorthWestGravity:
garbeam@76 159 case WestGravity:
garbeam@76 160 case SouthWestGravity:
garbeam@76 161 dx = c->border;
garbeam@76 162 break;
garbeam@76 163 case NorthGravity:
garbeam@76 164 case CenterGravity:
garbeam@76 165 case SouthGravity:
arg@115 166 dx = -(c->w / 2) + c->border;
garbeam@76 167 break;
garbeam@76 168 case NorthEastGravity:
garbeam@76 169 case EastGravity:
garbeam@76 170 case SouthEastGravity:
arg@115 171 dx = -(c->w + c->border);
garbeam@76 172 break;
garbeam@76 173 }
garbeam@76 174
garbeam@76 175 if(invert) {
garbeam@76 176 dx = -dx;
garbeam@76 177 dy = -dy;
garbeam@76 178 }
arg@115 179 c->x += dx;
arg@115 180 c->y += dy;
garbeam@76 181 }
garbeam@76 182
garbeam@76 183 void
garbeam@76 184 higher(Client *c)
garbeam@76 185 {
garbeam@76 186 XRaiseWindow(dpy, c->win);
garbeam@76 187 XRaiseWindow(dpy, c->title);
garbeam@76 188 }
garbeam@76 189
garbeam@76 190 void
garbeam@76 191 killclient(Arg *arg)
garbeam@76 192 {
garbeam@76 193 if(!sel)
garbeam@76 194 return;
arg@157 195 if(sel->proto & PROTODELWIN)
garbeam@77 196 sendevent(sel->win, wmatom[WMProtocols], wmatom[WMDelete]);
garbeam@76 197 else
garbeam@76 198 XKillClient(dpy, sel->win);
garbeam@76 199 }
garbeam@76 200
garbeam@76 201 void
garbeam@10 202 manage(Window w, XWindowAttributes *wa)
garbeam@5 203 {
garbeam@80 204 Client *c;
arg@123 205 Window trans;
garbeam@5 206 XSetWindowAttributes twa;
garbeam@5 207
garbeam@5 208 c = emallocz(sizeof(Client));
arg@178 209 c->tags = emallocz(ntags * sizeof(Bool));
garbeam@5 210 c->win = w;
arg@115 211 c->x = c->tx = wa->x;
arg@115 212 c->y = c->ty = wa->y;
arg@115 213 c->w = c->tw = wa->width;
arg@115 214 c->h = wa->height;
arg@115 215 c->th = bh;
arg@100 216
arg@164 217 c->border = 0;
arg@163 218 setsize(c);
arg@163 219
arg@163 220 if(c->h != sh && c->y < bh)
arg@115 221 c->y = c->ty = bh;
arg@104 222
garbeam@75 223 c->proto = getproto(c->win);
garbeam@26 224 XSelectInput(dpy, c->win,
arg@127 225 StructureNotifyMask | PropertyChangeMask | EnterWindowMask);
garbeam@53 226 XGetTransientForHint(dpy, c->win, &trans);
garbeam@5 227 twa.override_redirect = 1;
garbeam@5 228 twa.background_pixmap = ParentRelative;
arg@161 229 twa.event_mask = ExposureMask | EnterWindowMask;
garbeam@5 230
arg@115 231 c->title = XCreateWindow(dpy, root, c->tx, c->ty, c->tw, c->th,
garbeam@20 232 0, DefaultDepth(dpy, screen), CopyFromParent,
garbeam@5 233 DefaultVisual(dpy, screen),
garbeam@5 234 CWOverrideRedirect | CWBackPixmap | CWEventMask, &twa);
garbeam@31 235
arg@127 236 if(clients)
arg@127 237 clients->prev = c;
garbeam@80 238 c->next = clients;
garbeam@80 239 clients = c;
garbeam@49 240
arg@148 241 XGrabButton(dpy, Button1, MODKEY, c->win, False, BUTTONMASK,
garbeam@19 242 GrabModeAsync, GrabModeSync, None, None);
arg@198 243 XGrabButton(dpy, Button1, MODKEY | LockMask, c->win, False, BUTTONMASK,
arg@198 244 GrabModeAsync, GrabModeSync, None, None);
arg@198 245 XGrabButton(dpy, Button1, MODKEY | NUMLOCKMASK, c->win, False, BUTTONMASK,
arg@198 246 GrabModeAsync, GrabModeSync, None, None);
arg@198 247 XGrabButton(dpy, Button1, MODKEY | NUMLOCKMASK | LockMask, c->win, False, BUTTONMASK,
arg@198 248 GrabModeAsync, GrabModeSync, None, None);
arg@198 249
arg@148 250 XGrabButton(dpy, Button2, MODKEY, c->win, False, BUTTONMASK,
garbeam@19 251 GrabModeAsync, GrabModeSync, None, None);
arg@198 252 XGrabButton(dpy, Button2, MODKEY | LockMask, c->win, False, BUTTONMASK,
arg@198 253 GrabModeAsync, GrabModeSync, None, None);
arg@198 254 XGrabButton(dpy, Button2, MODKEY | NUMLOCKMASK, c->win, False, BUTTONMASK,
arg@198 255 GrabModeAsync, GrabModeSync, None, None);
arg@198 256 XGrabButton(dpy, Button2, MODKEY | NUMLOCKMASK | LockMask, c->win, False, BUTTONMASK,
arg@198 257 GrabModeAsync, GrabModeSync, None, None);
arg@198 258
arg@148 259 XGrabButton(dpy, Button3, MODKEY, c->win, False, BUTTONMASK,
garbeam@18 260 GrabModeAsync, GrabModeSync, None, None);
arg@198 261 XGrabButton(dpy, Button3, MODKEY | LockMask, c->win, False, BUTTONMASK,
arg@198 262 GrabModeAsync, GrabModeSync, None, None);
arg@198 263 XGrabButton(dpy, Button3, MODKEY | NUMLOCKMASK, c->win, False, BUTTONMASK,
arg@198 264 GrabModeAsync, GrabModeSync, None, None);
arg@198 265 XGrabButton(dpy, Button3, MODKEY | NUMLOCKMASK | LockMask, c->win, False, BUTTONMASK,
arg@198 266 GrabModeAsync, GrabModeSync, None, None);
garbeam@53 267
arg@163 268 settags(c);
garbeam@80 269 if(!c->isfloat)
arg@163 270 c->isfloat = trans
arg@163 271 || (c->maxw && c->minw &&
arg@164 272 c->maxw == c->minw && c->maxh == c->minh);
garbeam@95 273 settitle(c);
garbeam@46 274 arrange(NULL);
garbeam@95 275
garbeam@60 276 /* mapping the window now prevents flicker */
arg@142 277 XMapRaised(dpy, c->win);
arg@142 278 XMapRaised(dpy, c->title);
arg@261 279 if(isvisible(c))
garbeam@51 280 focus(c);
garbeam@94 281 }
garbeam@94 282
garbeam@94 283 void
arg@129 284 resize(Client *c, Bool sizehints, Corner sticky)
garbeam@18 285 {
arg@123 286 int bottom = c->y + c->h;
arg@123 287 int right = c->x + c->w;
arg@164 288 /*XConfigureEvent e;*/
arg@163 289 XWindowChanges wc;
garbeam@18 290
arg@129 291 if(sizehints) {
garbeam@52 292 if(c->incw)
arg@115 293 c->w -= (c->w - c->basew) % c->incw;
garbeam@52 294 if(c->inch)
arg@115 295 c->h -= (c->h - c->baseh) % c->inch;
arg@129 296 if(c->minw && c->w < c->minw)
arg@129 297 c->w = c->minw;
arg@129 298 if(c->minh && c->h < c->minh)
arg@129 299 c->h = c->minh;
arg@129 300 if(c->maxw && c->w > c->maxw)
arg@129 301 c->w = c->maxw;
arg@129 302 if(c->maxh && c->h > c->maxh)
arg@129 303 c->h = c->maxh;
garbeam@52 304 }
arg@163 305 if(c->x > right) /* might happen on restart */
arg@163 306 c->x = right - c->w;
arg@163 307 if(c->y > bottom)
arg@163 308 c->y = bottom - c->h;
arg@105 309 if(sticky == TopRight || sticky == BotRight)
arg@115 310 c->x = right - c->w;
arg@105 311 if(sticky == BotLeft || sticky == BotRight)
arg@115 312 c->y = bottom - c->h;
arg@106 313
garbeam@75 314 resizetitle(c);
arg@163 315 wc.x = c->x;
arg@163 316 wc.y = c->y;
arg@163 317 wc.width = c->w;
arg@163 318 wc.height = c->h;
arg@164 319 if(c->w == sw && c->h == sh)
arg@164 320 wc.border_width = 0;
arg@164 321 else
arg@164 322 wc.border_width = 1;
arg@164 323 XConfigureWindow(dpy, c->win, CWX|CWY|CWWidth|CWHeight|CWBorderWidth, &wc);
garbeam@79 324 XSync(dpy, False);
garbeam@18 325 }
garbeam@18 326
garbeam@76 327 void
garbeam@76 328 setsize(Client *c)
garbeam@10 329 {
arg@123 330 long msize;
garbeam@76 331 XSizeHints size;
arg@123 332
garbeam@76 333 if(!XGetWMNormalHints(dpy, c->win, &size, &msize) || !size.flags)
garbeam@76 334 size.flags = PSize;
garbeam@76 335 c->flags = size.flags;
garbeam@76 336 if(c->flags & PBaseSize) {
garbeam@76 337 c->basew = size.base_width;
garbeam@76 338 c->baseh = size.base_height;
garbeam@76 339 }
garbeam@76 340 else
garbeam@76 341 c->basew = c->baseh = 0;
garbeam@76 342 if(c->flags & PResizeInc) {
garbeam@76 343 c->incw = size.width_inc;
garbeam@76 344 c->inch = size.height_inc;
garbeam@76 345 }
garbeam@76 346 else
garbeam@76 347 c->incw = c->inch = 0;
garbeam@76 348 if(c->flags & PMaxSize) {
garbeam@76 349 c->maxw = size.max_width;
garbeam@76 350 c->maxh = size.max_height;
garbeam@76 351 }
garbeam@76 352 else
garbeam@76 353 c->maxw = c->maxh = 0;
garbeam@76 354 if(c->flags & PMinSize) {
garbeam@76 355 c->minw = size.min_width;
garbeam@76 356 c->minh = size.min_height;
garbeam@76 357 }
garbeam@76 358 else
garbeam@76 359 c->minw = c->minh = 0;
garbeam@76 360 if(c->flags & PWinGravity)
garbeam@76 361 c->grav = size.win_gravity;
garbeam@76 362 else
garbeam@76 363 c->grav = NorthWestGravity;
garbeam@76 364 }
garbeam@76 365
garbeam@76 366 void
garbeam@76 367 settitle(Client *c)
garbeam@76 368 {
arg@123 369 char **list = NULL;
arg@123 370 int n;
garbeam@76 371 XTextProperty name;
garbeam@76 372
garbeam@76 373 name.nitems = 0;
garbeam@76 374 c->name[0] = 0;
garbeam@77 375 XGetTextProperty(dpy, c->win, &name, netatom[NetWMName]);
garbeam@76 376 if(!name.nitems)
garbeam@76 377 XGetWMName(dpy, c->win, &name);
garbeam@76 378 if(!name.nitems)
garbeam@76 379 return;
garbeam@76 380 if(name.encoding == XA_STRING)
garbeam@76 381 strncpy(c->name, (char *)name.value, sizeof(c->name));
garbeam@76 382 else {
garbeam@76 383 if(XmbTextPropertyToTextList(dpy, &name, &list, &n) >= Success
garbeam@76 384 && n > 0 && *list)
garbeam@76 385 {
garbeam@76 386 strncpy(c->name, *list, sizeof(c->name));
garbeam@76 387 XFreeStringList(list);
garbeam@76 388 }
garbeam@76 389 }
garbeam@76 390 XFree(name.value);
garbeam@76 391 resizetitle(c);
garbeam@10 392 }
garbeam@10 393
garbeam@10 394 void
arg@124 395 togglemax(Arg *arg)
arg@124 396 {
arg@124 397 int ox, oy, ow, oh;
arg@124 398 XEvent ev;
arg@124 399
arg@124 400 if(!sel)
arg@124 401 return;
arg@124 402
arg@124 403 if((sel->ismax = !sel->ismax)) {
arg@124 404 ox = sel->x;
arg@124 405 oy = sel->y;
arg@124 406 ow = sel->w;
arg@124 407 oh = sel->h;
arg@124 408 sel->x = sx;
arg@124 409 sel->y = sy + bh;
arg@164 410 sel->w = sw - 2;
arg@164 411 sel->h = sh - 2 - bh;
arg@124 412
arg@124 413 higher(sel);
arg@247 414 resize(sel, arrange == dofloat, TopLeft);
arg@124 415
arg@124 416 sel->x = ox;
arg@124 417 sel->y = oy;
arg@124 418 sel->w = ow;
arg@124 419 sel->h = oh;
arg@124 420 }
arg@124 421 else
arg@124 422 resize(sel, False, TopLeft);
arg@124 423 while(XCheckMaskEvent(dpy, EnterWindowMask, &ev));
arg@124 424 }
arg@124 425
arg@124 426 void
garbeam@10 427 unmanage(Client *c)
garbeam@10 428 {
garbeam@10 429 XGrabServer(dpy);
garbeam@75 430 XSetErrorHandler(xerrordummy);
garbeam@10 431
garbeam@18 432 XUngrabButton(dpy, AnyButton, AnyModifier, c->win);
garbeam@10 433 XDestroyWindow(dpy, c->title);
garbeam@10 434
arg@127 435 if(c->prev)
arg@127 436 c->prev->next = c->next;
arg@127 437 if(c->next)
arg@127 438 c->next->prev = c->prev;
arg@151 439 if(c == clients)
arg@151 440 clients = c->next;
arg@251 441 if(sel == c)
arg@251 442 sel = getnext(clients);
arg@178 443 free(c->tags);
garbeam@10 444 free(c);
garbeam@10 445
garbeam@79 446 XSync(dpy, False);
garbeam@74 447 XSetErrorHandler(xerror);
garbeam@10 448 XUngrabServer(dpy);
garbeam@46 449 arrange(NULL);
garbeam@50 450 if(sel)
garbeam@50 451 focus(sel);
garbeam@10 452 }
garbeam@10 453
garbeam@75 454 void
garbeam@75 455 zoom(Arg *arg)
garbeam@75 456 {
arg@151 457 Client *c;
garbeam@75 458
arg@248 459 if(!sel || (arrange != dotile) || sel->isfloat || sel->ismax)
garbeam@75 460 return;
garbeam@75 461
arg@202 462 if(sel == getnext(clients)) {
arg@142 463 if((c = getnext(sel->next)))
garbeam@75 464 sel = c;
arg@202 465 else
arg@202 466 return;
garbeam@75 467 }
garbeam@75 468
arg@130 469 /* pop */
arg@254 470 sel->prev->next = sel->next;
arg@130 471 if(sel->next)
arg@130 472 sel->next->prev = sel->prev;
arg@130 473 sel->prev = NULL;
arg@250 474 clients->prev = sel;
arg@130 475 sel->next = clients;
arg@130 476 clients = sel;
arg@130 477 arrange(NULL);
garbeam@75 478 focus(sel);
garbeam@75 479 }