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468 lines
8.5 KiB
468 lines
8.5 KiB
/*
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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 "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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grabbutton(Client *c, unsigned int button, unsigned int modifier)
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{
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XGrabButton(dpy, button, modifier, c->win, False, BUTTONMASK,
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GrabModeAsync, GrabModeSync, None, None);
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XGrabButton(dpy, button, modifier | LockMask, c->win, False, BUTTONMASK,
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GrabModeAsync, GrabModeSync, None, None);
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XGrabButton(dpy, button, modifier | numlockmask, c->win, False, BUTTONMASK,
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GrabModeAsync, GrabModeSync, None, None);
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XGrabButton(dpy, button, modifier | numlockmask | LockMask, c->win, False, BUTTONMASK,
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GrabModeAsync, GrabModeSync, None, None);
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}
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static void
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resizetitle(Client *c)
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{
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int i;
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c->tw = 0;
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for(i = 0; i < ntags; i++)
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if(c->tags[i])
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c->tw += textw(tags[i]);
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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;
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c->tx = c->x + c->w - c->tw + 2;
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c->ty = c->y;
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if(isvisible(c))
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XMoveResizeWindow(dpy, c->title, c->tx, c->ty, c->tw, c->th);
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else
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XMoveResizeWindow(dpy, c->title, c->tx + 2 * sw, c->ty, c->tw, c->th);
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}
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static void
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ungrabbutton(Client *c, unsigned int button, unsigned int modifier)
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{
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XUngrabButton(dpy, button, modifier, c->win);
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XUngrabButton(dpy, button, modifier | LockMask, c->win);
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XUngrabButton(dpy, button, modifier | numlockmask, c->win);
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XUngrabButton(dpy, button, modifier | numlockmask | LockMask, c->win);
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}
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static int
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xerrordummy(Display *dsply, XErrorEvent *ee)
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{
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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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{
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XMoveWindow(dpy, c->win, c->x + 2 * sw, c->y);
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XMoveWindow(dpy, c->title, c->tx + 2 * sw, c->ty);
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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 *old = sel;
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if (!issel)
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return;
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if(sel && sel->ismax && sel != c)
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togglemax(NULL);
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sel = c;
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if(old && old != c) {
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grabbutton(old, AnyButton, 0);
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drawtitle(old);
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}
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ungrabbutton(c, AnyButton, 0);
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drawtitle(c);
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XSetInputFocus(dpy, c->win, RevertToPointerRoot, CurrentTime);
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}
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void
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focusnext(Arg *arg)
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{
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Client *c;
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if(!sel)
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return;
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if(!(c = getnext(sel->next)))
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c = getnext(clients);
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if(c) {
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focus(c);
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restack();
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}
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}
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void
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focusprev(Arg *arg)
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{
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Client *c;
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if(!sel)
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return;
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if(!(c = getprev(sel->prev))) {
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for(c = clients; c && c->next; c = c->next);
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c = getprev(c);
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}
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if(c) {
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focus(c);
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restack();
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}
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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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Client *
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getctitle(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->title == 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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gravitate(Client *c, Bool invert)
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{
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int dx = 0, dy = 0;
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switch(c->grav) {
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default:
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break;
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case StaticGravity:
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case NorthWestGravity:
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case NorthGravity:
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case NorthEastGravity:
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dy = c->border;
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break;
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case EastGravity:
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case CenterGravity:
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case WestGravity:
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dy = -(c->h / 2) + c->border;
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break;
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case SouthEastGravity:
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case SouthGravity:
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case SouthWestGravity:
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dy = -(c->h);
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break;
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}
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switch (c->grav) {
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default:
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break;
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case StaticGravity:
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case NorthWestGravity:
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case WestGravity:
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case SouthWestGravity:
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dx = c->border;
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break;
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case NorthGravity:
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case CenterGravity:
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case SouthGravity:
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dx = -(c->w / 2) + c->border;
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break;
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case NorthEastGravity:
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case EastGravity:
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case SouthEastGravity:
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dx = -(c->w + c->border);
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break;
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}
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if(invert) {
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dx = -dx;
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dy = -dy;
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}
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c->x += dx;
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c->y += dy;
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}
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void
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killclient(Arg *arg)
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{
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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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{
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Client *c, *tc;
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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->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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c->border = 0;
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setsize(c);
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if(c->x + c->w + 2 > sw)
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c->x = sw - c->w - 2;
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if(c->x < 0)
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c->x = 0;
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if(c->y + c->h + 2 > sh)
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c->y = sh - c->h - 2;
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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->title = 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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if(clients)
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clients->prev = c;
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c->next = clients;
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clients = c;
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grabbutton(c, Button1, MODKEY);
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grabbutton(c, Button2, MODKEY);
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grabbutton(c, Button3, MODKEY);
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settags(c);
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if(!c->isfloat)
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c->isfloat = trans
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|| (c->maxw && c->minw &&
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c->maxw == c->minw && c->maxh == c->minh);
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settitle(c);
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if(isvisible(c))
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sel = c;
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arrange(NULL);
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XMapWindow(dpy, c->win);
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XMapWindow(dpy, c->title);
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if(isvisible(c))
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focus(c);
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}
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void
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resize(Client *c, Bool sizehints, Corner sticky)
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{
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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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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 = 1;
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XConfigureWindow(dpy, c->win, CWX|CWY|CWWidth|CWHeight|CWBorderWidth, &wc);
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XSync(dpy, False);
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}
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void
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setsize(Client *c)
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{
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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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if(c->flags & PWinGravity)
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c->grav = size.win_gravity;
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else
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c->grav = NorthWestGravity;
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}
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void
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settitle(Client *c)
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{
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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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resizetitle(c);
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}
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void
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togglemax(Arg *arg)
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{
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int ox, oy, ow, oh;
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XEvent ev;
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if(!sel)
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return;
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if((sel->ismax = !sel->ismax)) {
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ox = sel->x;
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oy = sel->y;
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ow = sel->w;
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oh = sel->h;
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sel->x = sx;
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sel->y = sy + bh;
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sel->w = sw - 2;
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sel->h = sh - 2 - bh;
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restack();
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resize(sel, arrange == dofloat, TopLeft);
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sel->x = ox;
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sel->y = oy;
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sel->w = ow;
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sel->h = oh;
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}
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else
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resize(sel, False, TopLeft);
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while(XCheckMaskEvent(dpy, EnterWindowMask, &ev));
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}
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void
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unmanage(Client *c)
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{
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XGrabServer(dpy);
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XSetErrorHandler(xerrordummy);
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XUngrabButton(dpy, AnyButton, AnyModifier, c->win);
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XDestroyWindow(dpy, c->title);
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if(c->prev)
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c->prev->next = c->next;
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if(c->next)
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c->next->prev = c->prev;
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if(c == clients)
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clients = c->next;
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if(sel == c)
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sel = getnext(clients);
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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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if(sel)
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focus(sel);
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arrange(NULL);
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}
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void
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zoom(Arg *arg)
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{
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Client *c;
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if(!sel || (arrange != dotile) || sel->isfloat || sel->ismax)
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return;
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if(sel == getnext(clients)) {
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if((c = getnext(sel->next)))
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sel = c;
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else
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return;
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}
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/* pop */
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sel->prev->next = sel->next;
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if(sel->next)
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sel->next->prev = sel->prev;
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sel->prev = NULL;
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clients->prev = sel;
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sel->next = clients;
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clients = sel;
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focus(sel);
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arrange(NULL);
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}
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