dwm-custom/client.c

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