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annotate client.c @ 711:b40134b93de3

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I think this is the best solution of multihead support
author Anselm R. Garbe <arg@suckless.org>
date Tue, 23 Jan 2007 11:49:16 +0100
parents 6c2fcf88dd9f
children b288b57d81f8
rev   line source
arg@644 1 /* (C)opyright MMVI-MMVII Anselm R. Garbe <garbeam at gmail dot com>
garbeam@5 2 * See LICENSE file for license details.
garbeam@5 3 */
garbeam@76 4 #include "dwm.h"
garbeam@10 5 #include <stdlib.h>
garbeam@5 6 #include <string.h>
garbeam@5 7 #include <X11/Xatom.h>
garbeam@32 8 #include <X11/Xutil.h>
garbeam@5 9
garbeam@76 10 /* static functions */
garbeam@50 11
garbeam@26 12 static void
arg@461 13 detachstack(Client *c) {
arg@446 14 Client **tc;
arg@446 15 for(tc=&stack; *tc && *tc != c; tc=&(*tc)->snext);
arg@446 16 *tc = c->snext;
arg@446 17 }
arg@446 18
arg@446 19 static void
arg@461 20 grabbuttons(Client *c, Bool focused) {
arg@372 21 XUngrabButton(dpy, AnyButton, AnyModifier, c->win);
arg@372 22
arg@452 23 if(focused) {
arg@372 24 XGrabButton(dpy, Button1, MODKEY, c->win, False, BUTTONMASK,
arg@372 25 GrabModeAsync, GrabModeSync, None, None);
arg@372 26 XGrabButton(dpy, Button1, MODKEY | LockMask, c->win, False, BUTTONMASK,
arg@372 27 GrabModeAsync, GrabModeSync, None, None);
arg@372 28 XGrabButton(dpy, Button1, MODKEY | numlockmask, c->win, False, BUTTONMASK,
arg@372 29 GrabModeAsync, GrabModeSync, None, None);
arg@372 30 XGrabButton(dpy, Button1, MODKEY | numlockmask | LockMask, c->win, False, BUTTONMASK,
arg@372 31 GrabModeAsync, GrabModeSync, None, None);
arg@372 32
arg@372 33 XGrabButton(dpy, Button2, MODKEY, c->win, False, BUTTONMASK,
arg@372 34 GrabModeAsync, GrabModeSync, None, None);
arg@372 35 XGrabButton(dpy, Button2, MODKEY | LockMask, c->win, False, BUTTONMASK,
arg@372 36 GrabModeAsync, GrabModeSync, None, None);
arg@372 37 XGrabButton(dpy, Button2, MODKEY | numlockmask, c->win, False, BUTTONMASK,
arg@372 38 GrabModeAsync, GrabModeSync, None, None);
arg@372 39 XGrabButton(dpy, Button2, MODKEY | numlockmask | LockMask, c->win, False, BUTTONMASK,
arg@372 40 GrabModeAsync, GrabModeSync, None, None);
arg@372 41
arg@372 42 XGrabButton(dpy, Button3, MODKEY, c->win, False, BUTTONMASK,
arg@372 43 GrabModeAsync, GrabModeSync, None, None);
arg@372 44 XGrabButton(dpy, Button3, MODKEY | LockMask, c->win, False, BUTTONMASK,
arg@372 45 GrabModeAsync, GrabModeSync, None, None);
arg@372 46 XGrabButton(dpy, Button3, MODKEY | numlockmask, c->win, False, BUTTONMASK,
arg@372 47 GrabModeAsync, GrabModeSync, None, None);
arg@372 48 XGrabButton(dpy, Button3, MODKEY | numlockmask | LockMask, c->win, False, BUTTONMASK,
arg@372 49 GrabModeAsync, GrabModeSync, None, None);
arg@372 50 }
arg@372 51 else
arg@372 52 XGrabButton(dpy, AnyButton, AnyModifier, c->win, False, BUTTONMASK,
arg@372 53 GrabModeAsync, GrabModeSync, None, None);
arg@318 54 }
arg@318 55
garbeam@76 56 static int
arg@461 57 xerrordummy(Display *dsply, XErrorEvent *ee) {
garbeam@76 58 return 0;
garbeam@5 59 }
garbeam@5 60
garbeam@76 61 /* extern functions */
garbeam@20 62
garbeam@20 63 void
arg@491 64 configure(Client *c) {
arg@491 65 XEvent synev;
arg@491 66
arg@491 67 synev.type = ConfigureNotify;
arg@491 68 synev.xconfigure.display = dpy;
arg@491 69 synev.xconfigure.event = c->win;
arg@491 70 synev.xconfigure.window = c->win;
arg@491 71 synev.xconfigure.x = c->x;
arg@491 72 synev.xconfigure.y = c->y;
arg@491 73 synev.xconfigure.width = c->w;
arg@491 74 synev.xconfigure.height = c->h;
arg@491 75 synev.xconfigure.border_width = c->border;
arg@491 76 synev.xconfigure.above = None;
arg@491 77 XSendEvent(dpy, c->win, True, NoEventMask, &synev);
arg@491 78 }
arg@491 79
arg@491 80 void
arg@461 81 focus(Client *c) {
arg@708 82 Client *old = sel;
arg@286 83
arg@709 84 if(c && !isvisible(c))
arg@239 85 return;
arg@708 86
arg@708 87 if(old && old != c) {
arg@708 88 grabbuttons(old, False);
arg@708 89 XSetWindowBorder(dpy, old->win, dc.norm[ColBorder]);
arg@318 90 }
arg@400 91 if(c) {
arg@711 92 detachstack(c);
arg@711 93 c->snext = stack;
arg@711 94 stack = c;
arg@711 95 grabbuttons(c, True);
arg@711 96 XSetWindowBorder(dpy, c->win, dc.sel[ColBorder]);
arg@711 97 XSetInputFocus(dpy, c->win, RevertToPointerRoot, CurrentTime);
arg@400 98 }
arg@709 99 else if(issel)
arg@400 100 XSetInputFocus(dpy, root, RevertToPointerRoot, CurrentTime);
arg@708 101 sel = c;
arg@690 102 drawstatus();
garbeam@13 103 }
garbeam@13 104
garbeam@76 105 Client *
arg@461 106 getclient(Window w) {
garbeam@76 107 Client *c;
arg@123 108
garbeam@76 109 for(c = clients; c; c = c->next)
garbeam@76 110 if(c->win == w)
garbeam@76 111 return c;
garbeam@76 112 return NULL;
garbeam@76 113 }
garbeam@76 114
garbeam@76 115 void
arg@461 116 killclient(Arg *arg) {
garbeam@76 117 if(!sel)
garbeam@76 118 return;
arg@157 119 if(sel->proto & PROTODELWIN)
garbeam@77 120 sendevent(sel->win, wmatom[WMProtocols], wmatom[WMDelete]);
garbeam@76 121 else
garbeam@76 122 XKillClient(dpy, sel->win);
garbeam@76 123 }
garbeam@76 124
garbeam@76 125 void
arg@461 126 manage(Window w, XWindowAttributes *wa) {
arg@431 127 Client *c;
arg@123 128 Window trans;
garbeam@5 129
garbeam@5 130 c = emallocz(sizeof(Client));
arg@178 131 c->tags = emallocz(ntags * sizeof(Bool));
garbeam@5 132 c->win = w;
arg@687 133 c->x = wa->x;
arg@687 134 c->y = wa->y;
arg@687 135 c->w = wa->width;
arg@115 136 c->h = wa->height;
arg@708 137 if(c->w == sw && c->h == sh) {
arg@708 138 c->border = 0;
arg@708 139 c->x = sx;
arg@708 140 c->y = sy;
arg@708 141 }
arg@708 142 else {
arg@708 143 c->border = BORDERPX;
arg@708 144 if(c->x < wax)
arg@708 145 c->x = wax;
arg@708 146 if(c->y < way)
arg@708 147 c->y = way;
arg@708 148 if(c->x + c->w + 2 * c->border > wax + waw)
arg@708 149 c->x = wax + waw - c->w - 2 * c->border;
arg@708 150 if(c->y + c->h + 2 * c->border > way + wah)
arg@708 151 c->y = way + wah - c->h - 2 * c->border;
arg@708 152 }
arg@639 153 updatesizehints(c);
garbeam@75 154 c->proto = getproto(c->win);
garbeam@26 155 XSelectInput(dpy, c->win,
arg@127 156 StructureNotifyMask | PropertyChangeMask | EnterWindowMask);
garbeam@53 157 XGetTransientForHint(dpy, c->win, &trans);
arg@372 158 grabbuttons(c, False);
arg@500 159 updatetitle(c);
arg@431 160 settags(c, getclient(trans));
garbeam@80 161 if(!c->isfloat)
arg@549 162 c->isfloat = trans || c->isfixed;
arg@381 163 if(clients)
arg@381 164 clients->prev = c;
arg@381 165 c->next = clients;
arg@446 166 c->snext = stack;
arg@446 167 stack = clients = c;
arg@687 168 XMoveWindow(dpy, c->win, c->x + 2 * sw, c->y);
arg@270 169 XMapWindow(dpy, c->win);
arg@261 170 if(isvisible(c))
garbeam@51 171 focus(c);
arg@533 172 arrange();
garbeam@94 173 }
garbeam@94 174
garbeam@94 175 void
arg@708 176 resize(Client *c, Bool sizehints) {
arg@163 177 XWindowChanges wc;
garbeam@18 178
arg@129 179 if(sizehints) {
garbeam@52 180 if(c->incw)
arg@115 181 c->w -= (c->w - c->basew) % c->incw;
garbeam@52 182 if(c->inch)
arg@115 183 c->h -= (c->h - c->baseh) % c->inch;
arg@129 184 if(c->minw && c->w < c->minw)
arg@129 185 c->w = c->minw;
arg@129 186 if(c->minh && c->h < c->minh)
arg@129 187 c->h = c->minh;
arg@129 188 if(c->maxw && c->w > c->maxw)
arg@129 189 c->w = c->maxw;
arg@129 190 if(c->maxh && c->h > c->maxh)
arg@129 191 c->h = c->maxh;
garbeam@52 192 }
arg@708 193 if(c->w == sw && c->h == sh)
arg@708 194 c->border = 0;
arg@708 195 else
arg@708 196 c->border = BORDERPX;
arg@465 197 /* offscreen appearance fixes */
arg@708 198 if(c->x + c->w + 2 * c->border < sx)
arg@517 199 c->x = sx;
arg@708 200 if(c->y + c->h + 2 * c->border < sy)
arg@708 201 c->y = sy;
arg@465 202 if(c->x > sw)
arg@708 203 c->x = sw - c->w - 2 * c->border;
arg@465 204 if(c->y > sh)
arg@708 205 c->y = sh - c->h - 2 * c->border;
arg@163 206 wc.x = c->x;
arg@163 207 wc.y = c->y;
arg@163 208 wc.width = c->w;
arg@163 209 wc.height = c->h;
arg@708 210 wc.border_width = c->border;
arg@452 211 XConfigureWindow(dpy, c->win, CWX | CWY | CWWidth | CWHeight | CWBorderWidth, &wc);
arg@630 212 configure(c);
garbeam@79 213 XSync(dpy, False);
garbeam@18 214 }
garbeam@18 215
garbeam@76 216 void
arg@639 217 updatesizehints(Client *c) {
arg@123 218 long msize;
garbeam@76 219 XSizeHints size;
arg@123 220
garbeam@76 221 if(!XGetWMNormalHints(dpy, c->win, &size, &msize) || !size.flags)
garbeam@76 222 size.flags = PSize;
garbeam@76 223 c->flags = size.flags;
garbeam@76 224 if(c->flags & PBaseSize) {
garbeam@76 225 c->basew = size.base_width;
garbeam@76 226 c->baseh = size.base_height;
garbeam@76 227 }
garbeam@76 228 else
garbeam@76 229 c->basew = c->baseh = 0;
garbeam@76 230 if(c->flags & PResizeInc) {
garbeam@76 231 c->incw = size.width_inc;
garbeam@76 232 c->inch = size.height_inc;
garbeam@76 233 }
garbeam@76 234 else
garbeam@76 235 c->incw = c->inch = 0;
garbeam@76 236 if(c->flags & PMaxSize) {
garbeam@76 237 c->maxw = size.max_width;
garbeam@76 238 c->maxh = size.max_height;
garbeam@76 239 }
garbeam@76 240 else
garbeam@76 241 c->maxw = c->maxh = 0;
garbeam@76 242 if(c->flags & PMinSize) {
garbeam@76 243 c->minw = size.min_width;
garbeam@76 244 c->minh = size.min_height;
garbeam@76 245 }
garbeam@76 246 else
garbeam@76 247 c->minw = c->minh = 0;
arg@550 248 c->isfixed = (c->maxw && c->minw && c->maxh && c->minh &&
arg@550 249 c->maxw == c->minw && c->maxh == c->minh);
garbeam@76 250 }
garbeam@76 251
garbeam@76 252 void
arg@461 253 updatetitle(Client *c) {
arg@123 254 char **list = NULL;
arg@377 255 int n;
garbeam@76 256 XTextProperty name;
garbeam@76 257
garbeam@76 258 name.nitems = 0;
garbeam@76 259 c->name[0] = 0;
garbeam@77 260 XGetTextProperty(dpy, c->win, &name, netatom[NetWMName]);
garbeam@76 261 if(!name.nitems)
garbeam@76 262 XGetWMName(dpy, c->win, &name);
garbeam@76 263 if(!name.nitems)
garbeam@76 264 return;
garbeam@76 265 if(name.encoding == XA_STRING)
arg@581 266 strncpy(c->name, (char *)name.value, sizeof c->name);
garbeam@76 267 else {
garbeam@76 268 if(XmbTextPropertyToTextList(dpy, &name, &list, &n) >= Success
garbeam@76 269 && n > 0 && *list)
garbeam@76 270 {
arg@581 271 strncpy(c->name, *list, sizeof c->name);
garbeam@76 272 XFreeStringList(list);
garbeam@76 273 }
garbeam@76 274 }
garbeam@76 275 XFree(name.value);
garbeam@10 276 }
garbeam@10 277
garbeam@10 278 void
arg@461 279 unmanage(Client *c) {
arg@450 280 Client *nc;
arg@450 281
arg@472 282 /* The server grab construct avoids race conditions. */
garbeam@10 283 XGrabServer(dpy);
garbeam@75 284 XSetErrorHandler(xerrordummy);
arg@400 285 detach(c);
arg@448 286 detachstack(c);
arg@400 287 if(sel == c) {
arg@450 288 for(nc = stack; nc && !isvisible(nc); nc = nc->snext);
arg@450 289 focus(nc);
arg@400 290 }
garbeam@18 291 XUngrabButton(dpy, AnyButton, AnyModifier, c->win);
arg@178 292 free(c->tags);
garbeam@10 293 free(c);
garbeam@79 294 XSync(dpy, False);
garbeam@74 295 XSetErrorHandler(xerror);
garbeam@10 296 XUngrabServer(dpy);
arg@533 297 arrange();
garbeam@10 298 }