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449 lines
8.0 KiB
449 lines
8.0 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 <math.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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#include "dwm.h"
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static void floating(void);
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static void tiling(void);
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static void (*arrange)(void) = tiling;
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void
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max(void *aux)
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{
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if(!stack)
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return;
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stack->x = sx;
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stack->y = sy;
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stack->w = sw - 2 * stack->border;
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stack->h = sh - 2 * stack->border;
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resize(stack);
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discard_events(EnterWindowMask);
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}
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static void
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floating(void)
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{
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Client *c;
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for(c = stack; c; c = c->snext)
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resize(c);
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discard_events(EnterWindowMask);
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}
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static void
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tiling(void)
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{
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Client *c;
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int n, cols, rows, gw, gh, i, j;
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float rt, fd;
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if(!clients)
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return;
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for(n = 0, c = clients; c; c = c->next, n++);
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rt = sqrt(n);
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if(modff(rt, &fd) < 0.5)
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rows = floor(rt);
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else
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rows = ceil(rt);
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if(rows * rows < n)
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cols = rows + 1;
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else
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cols = rows;
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gw = (sw - 2) / cols;
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gh = (sh - 2) / rows;
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for(i = j = 0, c = clients; c; c = c->next) {
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c->x = i * gw;
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c->y = j * gh;
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c->w = gw;
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c->h = gh;
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resize(c);
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if(++i == cols) {
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j++;
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i = 0;
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}
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}
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discard_events(EnterWindowMask);
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}
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void
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toggle(void *aux)
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{
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if(arrange == floating)
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arrange = tiling;
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else
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arrange = floating;
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arrange();
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}
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void
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sel(void *aux)
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{
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const char *arg = aux;
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Client *c = NULL;
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if(!arg || !stack)
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return;
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if(!strncmp(arg, "next", 5))
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c = stack->snext ? stack->snext : stack;
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else if(!strncmp(arg, "prev", 5))
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for(c = stack; c && c->snext; c = c->snext);
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if(!c)
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c = stack;
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craise(c);
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focus(c);
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}
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void
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ckill(void *aux)
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{
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Client *c = stack;
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if(!c)
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return;
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if(c->proto & WM_PROTOCOL_DELWIN)
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send_message(c->win, wm_atom[WMProtocols], wm_atom[WMDelete]);
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else
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XKillClient(dpy, c->win);
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}
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static void
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resize_title(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 < TLast; i++)
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if(c->tags[i])
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c->tw += textw(c->tags[i]) + dc.font.height;
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c->tw += textw(c->name) + dc.font.height;
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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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XMoveResizeWindow(dpy, c->title, c->tx, c->ty, c->tw, c->th);
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}
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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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resize_title(c);
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}
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void
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update_size(Client *c)
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{
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XSizeHints size;
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long msize;
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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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craise(Client *c)
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{
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XRaiseWindow(dpy, c->win);
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XRaiseWindow(dpy, c->title);
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}
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void
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lower(Client *c)
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{
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XLowerWindow(dpy, c->title);
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XLowerWindow(dpy, c->win);
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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, *old;
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old = stack;
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for(l = &stack; *l && *l != c; l = &(*l)->snext);
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if(*l)
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*l = c->snext;
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c->snext = stack;
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stack = c;
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if(old && old != c) {
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XSetWindowBorder(dpy, old->win, dc.bg);
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XMapWindow(dpy, old->title);
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draw_client(old);
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}
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XUnmapWindow(dpy, c->title);
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XSetWindowBorder(dpy, c->win, dc.fg);
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draw_client(c);
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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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c = emallocz(sizeof(Client));
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c->win = w;
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c->tx = c->x = wa->x;
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c->ty = c->y = wa->y;
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c->tw = c->w = wa->width;
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c->h = wa->height;
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c->th = th;
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c->border = 1;
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update_size(c);
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XSelectInput(dpy, c->win,
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StructureNotifyMask | PropertyChangeMask | EnterWindowMask);
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XGetTransientForHint(dpy, c->win, &c->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;
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c->tags[tsel] = tags[tsel];
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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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update_name(c);
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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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XSetWindowBorderWidth(dpy, c->win, 1);
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XMapRaised(dpy, c->win);
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XMapRaised(dpy, c->title);
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XGrabButton(dpy, Button1, Mod1Mask, c->win, False, ButtonPressMask,
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GrabModeAsync, GrabModeSync, None, None);
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XGrabButton(dpy, Button2, Mod1Mask, c->win, False, ButtonPressMask,
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GrabModeAsync, GrabModeSync, None, None);
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XGrabButton(dpy, Button3, Mod1Mask, c->win, False, ButtonPressMask,
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GrabModeAsync, GrabModeSync, None, None);
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arrange();
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focus(c);
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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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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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default:
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break;
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}
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switch (c->grav) {
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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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default:
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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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resize(Client *c)
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{
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XConfigureEvent e;
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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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resize_title(c);
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XMoveResizeWindow(dpy, c->win, c->x, c->y, c->w, c->h);
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e.type = ConfigureNotify;
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e.event = c->win;
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e.window = c->win;
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e.x = c->x;
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e.y = c->y;
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e.width = c->w;
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e.height = c->h;
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e.border_width = c->border;
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e.above = None;
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e.override_redirect = False;
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XSendEvent(dpy, c->win, False, StructureNotifyMask, (XEvent *)&e);
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XFlush(dpy);
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}
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static int
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dummy_error_handler(Display *dsply, XErrorEvent *err)
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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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XUngrabButton(dpy, AnyButton, AnyModifier, 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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*l = c->next;
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for(l=&stack; *l && *l != c; l=&(*l)->snext);
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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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arrange();
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if(stack)
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focus(stack);
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}
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Client *
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gettitle(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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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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void
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draw_client(Client *c)
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{
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int i;
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if(c == stack)
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return;
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dc.x = dc.y = 0;
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dc.h = c->th;
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dc.w = 0;
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for(i = 0; i < TLast; i++) {
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if(c->tags[i]) {
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dc.x += dc.w;
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dc.w = textw(c->tags[i]) + dc.font.height;
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draw(True, c->tags[i]);
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}
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}
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dc.x += dc.w;
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dc.w = textw(c->name) + dc.font.height;
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draw(True, c->name);
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XCopyArea(dpy, dc.drawable, c->title, dc.gc,
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0, 0, c->tw, c->th, 0, 0);
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XFlush(dpy);
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}
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