137 lines
2.8 KiB
C
137 lines
2.8 KiB
C
/*
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* (C)opyright MMVI Anselm R. Garbe <garbeam at gmail dot com>
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* See LICENSE file for license details.
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*/
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#include <stdlib.h>
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#include <string.h>
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#include <X11/Xatom.h>
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#include "util.h"
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#include "wm.h"
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void
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update_name(Client *c)
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{
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XTextProperty name;
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int n;
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char **list = NULL;
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name.nitems = 0;
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c->name[0] = 0;
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XGetTextProperty(dpy, c->win, &name, net_atom[NetWMName]);
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if(!name.nitems)
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XGetWMName(dpy, c->win, &name);
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if(!name.nitems)
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return;
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if(name.encoding == XA_STRING)
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strncpy(c->name, (char *)name.value, sizeof(c->name));
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else {
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if(XmbTextPropertyToTextList(dpy, &name, &list, &n) >= Success
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&& n > 0 && *list)
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{
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strncpy(c->name, *list, sizeof(c->name));
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XFreeStringList(list);
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}
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}
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XFree(name.value);
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}
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void
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focus(Client *c)
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{
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Client **l;
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for(l=&stack; *l && *l != c; l=&(*l)->snext);
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eassert(*l == c);
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*l = c->snext;
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c->snext = stack;
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stack = c;
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XRaiseWindow(dpy, c->win);
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XSetInputFocus(dpy, c->win, RevertToPointerRoot, CurrentTime);
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XFlush(dpy);
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}
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void
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manage(Window w, XWindowAttributes *wa)
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{
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Client *c, **l;
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XSetWindowAttributes twa;
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long msize;
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c = emallocz(sizeof(Client));
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c->win = w;
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c->r[RFloat].x = wa->x;
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c->r[RFloat].y = wa->y;
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c->r[RFloat].width = wa->width;
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c->r[RFloat].height = wa->height;
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c->border = wa->border_width;
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XSetWindowBorderWidth(dpy, c->win, 0);
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XGetTransientForHint(dpy, c->win, &c->trans);
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if(!XGetWMNormalHints(dpy, c->win, &c->size, &msize) || !c->size.flags)
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c->size.flags = PSize;
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c->fixedsize =
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(c->size.flags & PMinSize && c->size.flags & PMaxSize
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&& c->size.min_width == c->size.max_width
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&& c->size.min_height == c->size.max_height);
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update_name(c);
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twa.override_redirect = 1;
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twa.background_pixmap = ParentRelative;
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twa.event_mask = ExposureMask;
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c->title = XCreateWindow(dpy, root, c->r[RFloat].x, c->r[RFloat].y,
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c->r[RFloat].width, barrect.height, 0,
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DefaultDepth(dpy, screen), CopyFromParent,
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DefaultVisual(dpy, screen),
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CWOverrideRedirect | CWBackPixmap | CWEventMask, &twa);
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for(l=&clients; *l; l=&(*l)->next);
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c->next = *l; /* *l == nil */
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*l = c;
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c->snext = stack;
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stack = c;
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XMapWindow(dpy, c->win);
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focus(c);
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}
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static int
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dummy_error_handler(Display *dpy, XErrorEvent *error)
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{
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return 0;
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}
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void
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unmanage(Client *c)
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{
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Client **l;
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XGrabServer(dpy);
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XSetErrorHandler(dummy_error_handler);
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XUnmapWindow(dpy, c->win);
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XDestroyWindow(dpy, c->title);
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for(l=&clients; *l && *l != c; l=&(*l)->next);
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eassert(*l == c);
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*l = c->next;
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for(l=&stack; *l && *l != c; l=&(*l)->snext);
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eassert(*l == c);
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*l = c->snext;
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free(c);
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XFlush(dpy);
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XSetErrorHandler(error_handler);
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XUngrabServer(dpy);
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flush_events(EnterWindowMask);
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}
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Client *
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getclient(Window w)
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{
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Client *c;
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for(c = clients; c; c = c->next)
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if(c->win == w)
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return c;
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return NULL;
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}
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