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341 lines
7.9 KiB
341 lines
7.9 KiB
/* (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 "dwm.h"
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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 <X11/Xutil.h>
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/* static functions */
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static void
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detachstack(Client *c) {
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Client **tc;
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for(tc=&stack; *tc && *tc != c; tc=&(*tc)->snext);
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*tc = c->snext;
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}
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static void
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grabbuttons(Client *c, Bool focused) {
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XUngrabButton(dpy, AnyButton, AnyModifier, c->win);
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if(focused) {
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XGrabButton(dpy, Button1, MODKEY, c->win, False, BUTTONMASK,
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GrabModeAsync, GrabModeSync, None, None);
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XGrabButton(dpy, Button1, MODKEY | LockMask, c->win, False, BUTTONMASK,
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GrabModeAsync, GrabModeSync, None, None);
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XGrabButton(dpy, Button1, MODKEY | numlockmask, c->win, False, BUTTONMASK,
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GrabModeAsync, GrabModeSync, None, None);
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XGrabButton(dpy, Button1, MODKEY | numlockmask | LockMask, c->win, False, BUTTONMASK,
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GrabModeAsync, GrabModeSync, None, None);
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XGrabButton(dpy, Button2, MODKEY, c->win, False, BUTTONMASK,
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GrabModeAsync, GrabModeSync, None, None);
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XGrabButton(dpy, Button2, MODKEY | LockMask, c->win, False, BUTTONMASK,
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GrabModeAsync, GrabModeSync, None, None);
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XGrabButton(dpy, Button2, MODKEY | numlockmask, c->win, False, BUTTONMASK,
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GrabModeAsync, GrabModeSync, None, None);
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XGrabButton(dpy, Button2, MODKEY | numlockmask | LockMask, c->win, False, BUTTONMASK,
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GrabModeAsync, GrabModeSync, None, None);
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XGrabButton(dpy, Button3, MODKEY, c->win, False, BUTTONMASK,
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GrabModeAsync, GrabModeSync, None, None);
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XGrabButton(dpy, Button3, MODKEY | LockMask, c->win, False, BUTTONMASK,
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GrabModeAsync, GrabModeSync, None, None);
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XGrabButton(dpy, Button3, MODKEY | numlockmask, c->win, False, BUTTONMASK,
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GrabModeAsync, GrabModeSync, None, None);
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XGrabButton(dpy, Button3, MODKEY | numlockmask | LockMask, c->win, False, BUTTONMASK,
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GrabModeAsync, GrabModeSync, None, None);
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}
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else
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XGrabButton(dpy, AnyButton, AnyModifier, c->win, False, BUTTONMASK,
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GrabModeAsync, GrabModeSync, None, None);
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}
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static int
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xerrordummy(Display *dsply, XErrorEvent *ee) {
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return 0;
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}
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/* extern functions */
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void
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ban(Client *c) {
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XMoveWindow(dpy, c->win, c->x + 2 * sw, c->y);
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XMoveWindow(dpy, c->twin, c->tx + 2 * sw, c->ty);
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}
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void
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configure(Client *c) {
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XEvent synev;
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synev.type = ConfigureNotify;
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synev.xconfigure.display = dpy;
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synev.xconfigure.event = c->win;
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synev.xconfigure.window = c->win;
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synev.xconfigure.x = c->x;
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synev.xconfigure.y = c->y;
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synev.xconfigure.width = c->w;
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synev.xconfigure.height = c->h;
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synev.xconfigure.border_width = c->border;
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synev.xconfigure.above = None;
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XSendEvent(dpy, c->win, True, NoEventMask, &synev);
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}
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void
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focus(Client *c) {
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Client *old;
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if(!issel || (c && !isvisible(c)))
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return;
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if(!sel)
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sel = c;
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else if(sel != c) {
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old = sel;
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sel = c;
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if(old) {
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grabbuttons(old, False);
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drawtitle(old);
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}
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}
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if(c) {
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detachstack(c);
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c->snext = stack;
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stack = c;
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grabbuttons(c, True);
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drawtitle(c);
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XSetInputFocus(dpy, c->win, RevertToPointerRoot, CurrentTime);
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}
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else
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XSetInputFocus(dpy, root, RevertToPointerRoot, CurrentTime);
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}
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Client *
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getclient(Window w) {
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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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Client *
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getctitle(Window w) {
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Client *c;
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for(c = clients; c; c = c->next)
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if(c->twin == w)
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return c;
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return NULL;
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}
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void
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killclient(Arg *arg) {
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if(!sel)
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return;
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if(sel->proto & PROTODELWIN)
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sendevent(sel->win, wmatom[WMProtocols], wmatom[WMDelete]);
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else
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XKillClient(dpy, sel->win);
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}
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void
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manage(Window w, XWindowAttributes *wa) {
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Client *c;
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Window trans;
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XSetWindowAttributes twa;
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c = emallocz(sizeof(Client));
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c->tags = emallocz(ntags * sizeof(Bool));
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c->win = w;
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c->border = 0;
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c->x = c->tx = wa->x;
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c->y = c->ty = wa->y;
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c->w = c->tw = wa->width;
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c->h = wa->height;
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c->th = bh;
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updatesize(c);
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if(c->x + c->w + 2 * BORDERPX > sw)
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c->x = sw - c->w - 2 * BORDERPX;
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if(c->x < sx)
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c->x = sx;
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if(c->y + c->h + 2 * BORDERPX > sh)
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c->y = sh - c->h - 2 * BORDERPX;
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if(c->h != sh && c->y < bh)
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c->y = bh;
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c->proto = getproto(c->win);
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XSelectInput(dpy, c->win,
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StructureNotifyMask | PropertyChangeMask | EnterWindowMask);
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XGetTransientForHint(dpy, c->win, &trans);
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twa.override_redirect = 1;
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twa.background_pixmap = ParentRelative;
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twa.event_mask = ExposureMask | EnterWindowMask;
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c->twin = XCreateWindow(dpy, root, c->tx, c->ty, c->tw, c->th,
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0, DefaultDepth(dpy, screen), CopyFromParent,
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DefaultVisual(dpy, screen),
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CWOverrideRedirect | CWBackPixmap | CWEventMask, &twa);
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grabbuttons(c, False);
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updatetitle(c);
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settags(c, getclient(trans));
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if(!c->isfloat)
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c->isfloat = trans || c->isfixed;
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resizetitle(c);
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if(clients)
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clients->prev = c;
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c->next = clients;
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c->snext = stack;
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stack = clients = c;
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ban(c);
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XMapWindow(dpy, c->win);
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XMapWindow(dpy, c->twin);
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if(isvisible(c))
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focus(c);
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arrange();
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}
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void
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resize(Client *c, Bool sizehints, Corner sticky) {
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int bottom = c->y + c->h;
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int right = c->x + c->w;
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XWindowChanges wc;
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if(sizehints) {
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if(c->incw)
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c->w -= (c->w - c->basew) % c->incw;
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if(c->inch)
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c->h -= (c->h - c->baseh) % c->inch;
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if(c->minw && c->w < c->minw)
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c->w = c->minw;
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if(c->minh && c->h < c->minh)
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c->h = c->minh;
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if(c->maxw && c->w > c->maxw)
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c->w = c->maxw;
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if(c->maxh && c->h > c->maxh)
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c->h = c->maxh;
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}
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if(sticky == TopRight || sticky == BotRight)
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c->x = right - c->w;
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if(sticky == BotLeft || sticky == BotRight)
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c->y = bottom - c->h;
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/* offscreen appearance fixes */
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if(c->x + c->w < sx)
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c->x = sx;
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if(c->y + c->h < bh)
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c->y = bh;
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if(c->x > sw)
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c->x = sw - c->w;
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if(c->y > sh)
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c->y = sh - c->h;
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resizetitle(c);
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wc.x = c->x;
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wc.y = c->y;
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wc.width = c->w;
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wc.height = c->h;
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if(c->w == sw && c->h == sh)
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wc.border_width = 0;
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else
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wc.border_width = BORDERPX;
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XConfigureWindow(dpy, c->win, CWX | CWY | CWWidth | CWHeight | CWBorderWidth, &wc);
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configure(c);
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XSync(dpy, False);
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}
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void
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resizetitle(Client *c) {
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c->tw = textw(c->name);
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if(c->tw > c->w)
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c->tw = c->w + 2 * BORDERPX;
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c->tx = c->x + c->w - c->tw + 2 * BORDERPX;
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c->ty = c->y;
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if(isvisible(c))
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XMoveResizeWindow(dpy, c->twin, c->tx, c->ty, c->tw, c->th);
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else
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XMoveResizeWindow(dpy, c->twin, c->tx + 2 * sw, c->ty, c->tw, c->th);
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}
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void
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updatesize(Client *c) {
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long msize;
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XSizeHints size;
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if(!XGetWMNormalHints(dpy, c->win, &size, &msize) || !size.flags)
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size.flags = PSize;
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c->flags = size.flags;
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if(c->flags & PBaseSize) {
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c->basew = size.base_width;
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c->baseh = size.base_height;
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}
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else
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c->basew = c->baseh = 0;
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if(c->flags & PResizeInc) {
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c->incw = size.width_inc;
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c->inch = size.height_inc;
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}
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else
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c->incw = c->inch = 0;
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if(c->flags & PMaxSize) {
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c->maxw = size.max_width;
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c->maxh = size.max_height;
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}
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else
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c->maxw = c->maxh = 0;
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if(c->flags & PMinSize) {
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c->minw = size.min_width;
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c->minh = size.min_height;
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}
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else
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c->minw = c->minh = 0;
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c->isfixed = (c->maxw && c->minw && c->maxh && c->minh &&
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c->maxw == c->minw && c->maxh == c->minh);
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}
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void
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updatetitle(Client *c) {
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char **list = NULL;
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int n;
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XTextProperty name;
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name.nitems = 0;
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c->name[0] = 0;
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XGetTextProperty(dpy, c->win, &name, netatom[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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unmanage(Client *c) {
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Client *nc;
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/* The server grab construct avoids race conditions. */
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XGrabServer(dpy);
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XSetErrorHandler(xerrordummy);
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detach(c);
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detachstack(c);
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if(sel == c) {
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for(nc = stack; nc && !isvisible(nc); nc = nc->snext);
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focus(nc);
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}
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XUngrabButton(dpy, AnyButton, AnyModifier, c->win);
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XDestroyWindow(dpy, c->twin);
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free(c->tags);
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free(c);
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XSync(dpy, False);
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XSetErrorHandler(xerror);
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XUngrabServer(dpy);
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arrange();
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}
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