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annotate client.c @ 380:4bf79305d675

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this algorithm seems to keep order for any scenario
author Anselm R. Garbe <arg@10kloc.org>
date Tue, 29 Aug 2006 09:57:57 +0200
parents b1159a638d0a
children b00cc483d13b
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
arg@372 14 grabbuttons(Client *c, Bool focus)
arg@318 15 {
arg@372 16 XUngrabButton(dpy, AnyButton, AnyModifier, c->win);
arg@372 17
arg@372 18 if(focus) {
arg@372 19 XGrabButton(dpy, Button1, MODKEY, c->win, False, BUTTONMASK,
arg@372 20 GrabModeAsync, GrabModeSync, None, None);
arg@372 21 XGrabButton(dpy, Button1, MODKEY | LockMask, c->win, False, BUTTONMASK,
arg@372 22 GrabModeAsync, GrabModeSync, None, None);
arg@372 23 XGrabButton(dpy, Button1, MODKEY | numlockmask, c->win, False, BUTTONMASK,
arg@372 24 GrabModeAsync, GrabModeSync, None, None);
arg@372 25 XGrabButton(dpy, Button1, MODKEY | numlockmask | LockMask, c->win, False, BUTTONMASK,
arg@372 26 GrabModeAsync, GrabModeSync, None, None);
arg@372 27
arg@372 28 XGrabButton(dpy, Button2, MODKEY, c->win, False, BUTTONMASK,
arg@372 29 GrabModeAsync, GrabModeSync, None, None);
arg@372 30 XGrabButton(dpy, Button2, MODKEY | LockMask, c->win, False, BUTTONMASK,
arg@372 31 GrabModeAsync, GrabModeSync, None, None);
arg@372 32 XGrabButton(dpy, Button2, MODKEY | numlockmask, c->win, False, BUTTONMASK,
arg@372 33 GrabModeAsync, GrabModeSync, None, None);
arg@372 34 XGrabButton(dpy, Button2, MODKEY | numlockmask | LockMask, c->win, False, BUTTONMASK,
arg@372 35 GrabModeAsync, GrabModeSync, None, None);
arg@372 36
arg@372 37 XGrabButton(dpy, Button3, MODKEY, c->win, False, BUTTONMASK,
arg@372 38 GrabModeAsync, GrabModeSync, None, None);
arg@372 39 XGrabButton(dpy, Button3, MODKEY | LockMask, c->win, False, BUTTONMASK,
arg@372 40 GrabModeAsync, GrabModeSync, None, None);
arg@372 41 XGrabButton(dpy, Button3, MODKEY | numlockmask, c->win, False, BUTTONMASK,
arg@372 42 GrabModeAsync, GrabModeSync, None, None);
arg@372 43 XGrabButton(dpy, Button3, MODKEY | numlockmask | LockMask, c->win, False, BUTTONMASK,
arg@372 44 GrabModeAsync, GrabModeSync, None, None);
arg@372 45 }
arg@372 46 else
arg@372 47 XGrabButton(dpy, AnyButton, AnyModifier, c->win, False, BUTTONMASK,
arg@372 48 GrabModeAsync, GrabModeSync, None, None);
arg@372 49
arg@318 50 }
arg@318 51
arg@318 52 static void
garbeam@75 53 resizetitle(Client *c)
garbeam@26 54 {
arg@342 55 c->tw = textw(c->name);
arg@115 56 if(c->tw > c->w)
arg@115 57 c->tw = c->w + 2;
arg@115 58 c->tx = c->x + c->w - c->tw + 2;
arg@115 59 c->ty = c->y;
arg@261 60 if(isvisible(c))
arg@342 61 XMoveResizeWindow(dpy, c->twin, c->tx, c->ty, c->tw, c->th);
arg@106 62 else
arg@342 63 XMoveResizeWindow(dpy, c->twin, c->tx + 2 * sw, c->ty, c->tw, c->th);
arg@106 64
garbeam@26 65 }
garbeam@18 66
garbeam@76 67 static int
garbeam@76 68 xerrordummy(Display *dsply, XErrorEvent *ee)
garbeam@5 69 {
garbeam@76 70 return 0;
garbeam@5 71 }
garbeam@5 72
garbeam@76 73 /* extern functions */
garbeam@20 74
garbeam@20 75 void
garbeam@76 76 ban(Client *c)
garbeam@26 77 {
arg@115 78 XMoveWindow(dpy, c->win, c->x + 2 * sw, c->y);
arg@342 79 XMoveWindow(dpy, c->twin, c->tx + 2 * sw, c->ty);
garbeam@26 80 }
garbeam@26 81
garbeam@26 82 void
garbeam@13 83 focus(Client *c)
garbeam@13 84 {
arg@286 85 Client *old = sel;
arg@286 86
arg@319 87 if(!issel)
arg@239 88 return;
arg@319 89 if(!sel)
arg@319 90 sel = c;
arg@319 91 else if(sel != c) {
arg@319 92 if(sel->ismax)
arg@319 93 togglemax(NULL);
arg@319 94 sel = c;
arg@372 95 grabbuttons(old, False);
garbeam@74 96 drawtitle(old);
arg@318 97 }
arg@372 98 grabbuttons(c, True);
garbeam@74 99 drawtitle(c);
garbeam@26 100 XSetInputFocus(dpy, c->win, RevertToPointerRoot, CurrentTime);
garbeam@13 101 }
garbeam@13 102
garbeam@76 103 Client *
garbeam@76 104 getclient(Window w)
garbeam@76 105 {
garbeam@76 106 Client *c;
arg@123 107
garbeam@76 108 for(c = clients; c; c = c->next)
garbeam@76 109 if(c->win == w)
garbeam@76 110 return c;
garbeam@76 111 return NULL;
garbeam@76 112 }
garbeam@76 113
garbeam@76 114 Client *
garbeam@76 115 getctitle(Window w)
garbeam@76 116 {
garbeam@76 117 Client *c;
arg@123 118
garbeam@76 119 for(c = clients; c; c = c->next)
arg@342 120 if(c->twin == w)
garbeam@76 121 return c;
garbeam@76 122 return NULL;
garbeam@76 123 }
garbeam@76 124
garbeam@76 125 void
garbeam@76 126 gravitate(Client *c, Bool invert)
garbeam@76 127 {
garbeam@76 128 int dx = 0, dy = 0;
garbeam@76 129
garbeam@76 130 switch(c->grav) {
arg@127 131 default:
arg@127 132 break;
garbeam@76 133 case StaticGravity:
garbeam@76 134 case NorthWestGravity:
garbeam@76 135 case NorthGravity:
garbeam@76 136 case NorthEastGravity:
garbeam@76 137 dy = c->border;
garbeam@76 138 break;
garbeam@76 139 case EastGravity:
garbeam@76 140 case CenterGravity:
garbeam@76 141 case WestGravity:
arg@115 142 dy = -(c->h / 2) + c->border;
garbeam@76 143 break;
garbeam@76 144 case SouthEastGravity:
garbeam@76 145 case SouthGravity:
garbeam@76 146 case SouthWestGravity:
arg@115 147 dy = -(c->h);
garbeam@76 148 break;
garbeam@76 149 }
garbeam@76 150
garbeam@76 151 switch (c->grav) {
arg@127 152 default:
arg@127 153 break;
garbeam@76 154 case StaticGravity:
garbeam@76 155 case NorthWestGravity:
garbeam@76 156 case WestGravity:
garbeam@76 157 case SouthWestGravity:
garbeam@76 158 dx = c->border;
garbeam@76 159 break;
garbeam@76 160 case NorthGravity:
garbeam@76 161 case CenterGravity:
garbeam@76 162 case SouthGravity:
arg@115 163 dx = -(c->w / 2) + c->border;
garbeam@76 164 break;
garbeam@76 165 case NorthEastGravity:
garbeam@76 166 case EastGravity:
garbeam@76 167 case SouthEastGravity:
arg@115 168 dx = -(c->w + c->border);
garbeam@76 169 break;
garbeam@76 170 }
garbeam@76 171
garbeam@76 172 if(invert) {
garbeam@76 173 dx = -dx;
garbeam@76 174 dy = -dy;
garbeam@76 175 }
arg@115 176 c->x += dx;
arg@115 177 c->y += dy;
garbeam@76 178 }
garbeam@76 179
garbeam@76 180 void
garbeam@76 181 killclient(Arg *arg)
garbeam@76 182 {
garbeam@76 183 if(!sel)
garbeam@76 184 return;
arg@157 185 if(sel->proto & PROTODELWIN)
garbeam@77 186 sendevent(sel->win, wmatom[WMProtocols], wmatom[WMDelete]);
garbeam@76 187 else
garbeam@76 188 XKillClient(dpy, sel->win);
garbeam@76 189 }
garbeam@76 190
garbeam@76 191 void
garbeam@10 192 manage(Window w, XWindowAttributes *wa)
garbeam@5 193 {
arg@320 194 unsigned int i;
arg@306 195 Client *c, *tc;
arg@123 196 Window trans;
garbeam@5 197 XSetWindowAttributes twa;
garbeam@5 198
garbeam@5 199 c = emallocz(sizeof(Client));
arg@178 200 c->tags = emallocz(ntags * sizeof(Bool));
garbeam@5 201 c->win = w;
arg@115 202 c->x = c->tx = wa->x;
arg@115 203 c->y = c->ty = wa->y;
arg@115 204 c->w = c->tw = wa->width;
arg@115 205 c->h = wa->height;
arg@115 206 c->th = bh;
arg@100 207
arg@164 208 c->border = 0;
arg@163 209 setsize(c);
arg@163 210
arg@315 211 if(c->x + c->w + 2 > sw)
arg@314 212 c->x = sw - c->w - 2;
arg@314 213 if(c->x < 0)
arg@314 214 c->x = 0;
arg@315 215 if(c->y + c->h + 2 > sh)
arg@314 216 c->y = sh - c->h - 2;
arg@163 217 if(c->h != sh && c->y < bh)
arg@314 218 c->y = bh;
arg@104 219
garbeam@75 220 c->proto = getproto(c->win);
garbeam@26 221 XSelectInput(dpy, c->win,
arg@127 222 StructureNotifyMask | PropertyChangeMask | EnterWindowMask);
garbeam@53 223 XGetTransientForHint(dpy, c->win, &trans);
garbeam@5 224 twa.override_redirect = 1;
garbeam@5 225 twa.background_pixmap = ParentRelative;
arg@161 226 twa.event_mask = ExposureMask | EnterWindowMask;
garbeam@5 227
arg@342 228 c->twin = XCreateWindow(dpy, root, c->tx, c->ty, c->tw, c->th,
garbeam@20 229 0, DefaultDepth(dpy, screen), CopyFromParent,
garbeam@5 230 DefaultVisual(dpy, screen),
garbeam@5 231 CWOverrideRedirect | CWBackPixmap | CWEventMask, &twa);
garbeam@31 232
arg@372 233 grabbuttons(c, False);
arg@320 234 if((tc = getclient(trans))) /* inherit tags */
arg@320 235 for(i = 0; i < ntags; i++)
arg@320 236 c->tags[i] = tc->tags[i];
arg@320 237 else
arg@320 238 settags(c);
garbeam@80 239 if(!c->isfloat)
arg@163 240 c->isfloat = trans
arg@163 241 || (c->maxw && c->minw &&
arg@164 242 c->maxw == c->minw && c->maxh == c->minh);
arg@378 243
arg@378 244 attach(c);
arg@378 245
garbeam@95 246 settitle(c);
arg@283 247 if(isvisible(c))
arg@283 248 sel = c;
arg@283 249 arrange(NULL);
arg@270 250 XMapWindow(dpy, c->win);
arg@342 251 XMapWindow(dpy, c->twin);
arg@261 252 if(isvisible(c))
garbeam@51 253 focus(c);
garbeam@94 254 }
garbeam@94 255
garbeam@94 256 void
arg@129 257 resize(Client *c, Bool sizehints, Corner sticky)
garbeam@18 258 {
arg@123 259 int bottom = c->y + c->h;
arg@123 260 int right = c->x + c->w;
arg@163 261 XWindowChanges wc;
garbeam@18 262
arg@129 263 if(sizehints) {
garbeam@52 264 if(c->incw)
arg@115 265 c->w -= (c->w - c->basew) % c->incw;
garbeam@52 266 if(c->inch)
arg@115 267 c->h -= (c->h - c->baseh) % c->inch;
arg@129 268 if(c->minw && c->w < c->minw)
arg@129 269 c->w = c->minw;
arg@129 270 if(c->minh && c->h < c->minh)
arg@129 271 c->h = c->minh;
arg@129 272 if(c->maxw && c->w > c->maxw)
arg@129 273 c->w = c->maxw;
arg@129 274 if(c->maxh && c->h > c->maxh)
arg@129 275 c->h = c->maxh;
garbeam@52 276 }
arg@105 277 if(sticky == TopRight || sticky == BotRight)
arg@115 278 c->x = right - c->w;
arg@105 279 if(sticky == BotLeft || sticky == BotRight)
arg@115 280 c->y = bottom - c->h;
arg@106 281
garbeam@75 282 resizetitle(c);
arg@163 283 wc.x = c->x;
arg@163 284 wc.y = c->y;
arg@163 285 wc.width = c->w;
arg@163 286 wc.height = c->h;
arg@164 287 if(c->w == sw && c->h == sh)
arg@164 288 wc.border_width = 0;
arg@164 289 else
arg@164 290 wc.border_width = 1;
arg@164 291 XConfigureWindow(dpy, c->win, CWX|CWY|CWWidth|CWHeight|CWBorderWidth, &wc);
garbeam@79 292 XSync(dpy, False);
garbeam@18 293 }
garbeam@18 294
garbeam@76 295 void
garbeam@76 296 setsize(Client *c)
garbeam@10 297 {
arg@123 298 long msize;
garbeam@76 299 XSizeHints size;
arg@123 300
garbeam@76 301 if(!XGetWMNormalHints(dpy, c->win, &size, &msize) || !size.flags)
garbeam@76 302 size.flags = PSize;
garbeam@76 303 c->flags = size.flags;
garbeam@76 304 if(c->flags & PBaseSize) {
garbeam@76 305 c->basew = size.base_width;
garbeam@76 306 c->baseh = size.base_height;
garbeam@76 307 }
garbeam@76 308 else
garbeam@76 309 c->basew = c->baseh = 0;
garbeam@76 310 if(c->flags & PResizeInc) {
garbeam@76 311 c->incw = size.width_inc;
garbeam@76 312 c->inch = size.height_inc;
garbeam@76 313 }
garbeam@76 314 else
garbeam@76 315 c->incw = c->inch = 0;
garbeam@76 316 if(c->flags & PMaxSize) {
garbeam@76 317 c->maxw = size.max_width;
garbeam@76 318 c->maxh = size.max_height;
garbeam@76 319 }
garbeam@76 320 else
garbeam@76 321 c->maxw = c->maxh = 0;
garbeam@76 322 if(c->flags & PMinSize) {
garbeam@76 323 c->minw = size.min_width;
garbeam@76 324 c->minh = size.min_height;
garbeam@76 325 }
garbeam@76 326 else
garbeam@76 327 c->minw = c->minh = 0;
garbeam@76 328 if(c->flags & PWinGravity)
garbeam@76 329 c->grav = size.win_gravity;
garbeam@76 330 else
garbeam@76 331 c->grav = NorthWestGravity;
garbeam@76 332 }
garbeam@76 333
garbeam@76 334 void
garbeam@76 335 settitle(Client *c)
garbeam@76 336 {
arg@123 337 char **list = NULL;
arg@377 338 int n;
garbeam@76 339 XTextProperty name;
garbeam@76 340
garbeam@76 341 name.nitems = 0;
garbeam@76 342 c->name[0] = 0;
garbeam@77 343 XGetTextProperty(dpy, c->win, &name, netatom[NetWMName]);
garbeam@76 344 if(!name.nitems)
garbeam@76 345 XGetWMName(dpy, c->win, &name);
garbeam@76 346 if(!name.nitems)
garbeam@76 347 return;
garbeam@76 348 if(name.encoding == XA_STRING)
garbeam@76 349 strncpy(c->name, (char *)name.value, sizeof(c->name));
garbeam@76 350 else {
garbeam@76 351 if(XmbTextPropertyToTextList(dpy, &name, &list, &n) >= Success
garbeam@76 352 && n > 0 && *list)
garbeam@76 353 {
garbeam@76 354 strncpy(c->name, *list, sizeof(c->name));
garbeam@76 355 XFreeStringList(list);
garbeam@76 356 }
garbeam@76 357 }
garbeam@76 358 XFree(name.value);
garbeam@76 359 resizetitle(c);
garbeam@10 360 }
garbeam@10 361
garbeam@10 362 void
arg@124 363 togglemax(Arg *arg)
arg@124 364 {
arg@124 365 int ox, oy, ow, oh;
arg@124 366 XEvent ev;
arg@124 367
arg@124 368 if(!sel)
arg@124 369 return;
arg@124 370
arg@124 371 if((sel->ismax = !sel->ismax)) {
arg@124 372 ox = sel->x;
arg@124 373 oy = sel->y;
arg@124 374 ow = sel->w;
arg@124 375 oh = sel->h;
arg@124 376 sel->x = sx;
arg@124 377 sel->y = sy + bh;
arg@164 378 sel->w = sw - 2;
arg@164 379 sel->h = sh - 2 - bh;
arg@124 380
arg@270 381 restack();
arg@247 382 resize(sel, arrange == dofloat, TopLeft);
arg@124 383
arg@124 384 sel->x = ox;
arg@124 385 sel->y = oy;
arg@124 386 sel->w = ow;
arg@124 387 sel->h = oh;
arg@124 388 }
arg@124 389 else
arg@124 390 resize(sel, False, TopLeft);
arg@124 391 while(XCheckMaskEvent(dpy, EnterWindowMask, &ev));
arg@124 392 }
arg@124 393
arg@124 394 void
garbeam@10 395 unmanage(Client *c)
garbeam@10 396 {
arg@372 397 Client *tc;
arg@372 398 Window trans;
garbeam@10 399 XGrabServer(dpy);
garbeam@75 400 XSetErrorHandler(xerrordummy);
garbeam@10 401
arg@372 402 XGetTransientForHint(dpy, c->win, &trans);
arg@372 403
garbeam@18 404 XUngrabButton(dpy, AnyButton, AnyModifier, c->win);
arg@342 405 XDestroyWindow(dpy, c->twin);
garbeam@10 406
arg@378 407 detach(c);
arg@372 408 if(sel == c) {
arg@372 409 if(trans && (tc = getclient(trans)) && isvisible(tc))
arg@372 410 sel = tc;
arg@372 411 else
arg@372 412 sel = getnext(clients);
arg@372 413 }
arg@178 414 free(c->tags);
garbeam@10 415 free(c);
garbeam@10 416
garbeam@79 417 XSync(dpy, False);
garbeam@74 418 XSetErrorHandler(xerror);
garbeam@10 419 XUngrabServer(dpy);
garbeam@50 420 if(sel)
garbeam@50 421 focus(sel);
arg@270 422 arrange(NULL);
garbeam@10 423 }