initial import
This commit is contained in:
Anselm R. Garbe
commit
1076f2b6b3
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MIT/X Consortium License
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(C)opyright MMVI Anselm R. Garbe <garbeam at gmail dot com>
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Permission is hereby granted, free of charge, to any person obtaining a
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copy of this software and associated documentation files (the "Software"),
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to deal in the Software without restriction, including without limitation
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the rights to use, copy, modify, merge, publish, distribute, sublicense,
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and/or sell copies of the Software, and to permit persons to whom the
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Software is furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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DEALINGS IN THE SOFTWARE.
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# gridwm - grid window manager
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# (C)opyright MMVI Anselm R. Garbe
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include config.mk
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SRC = wm.c
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OBJ = ${SRC:.c=.o}
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all: gridwm
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@echo finished
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.c.o:
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@echo CC $<
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@${CC} -c ${CFLAGS} $<
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${OBJ}: wm.h
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gridwm: ${OBJ}
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@echo LD $@
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@${CC} -o $@ ${OBJ} ${X11LDFLAGS}
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clean:
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rm -f gridwm *.o
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gridwm
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------
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gridwm is an automatic X11 window manager which arranges all windows in a grid.
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Requirements
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------------
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In order to build gridwm you need the Xlib header files.
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Installation
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------------
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Edit config.mk to match your local setup. gridwm is installed into
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the /usr/local namespace by default.
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Afterwards enter the following command to build and install gridwm (if
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necessary as root):
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make clean install
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Running gridwm
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--------------
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Add the following line to your .xinitrc to start gridwm using startx:
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exec gridwm
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In order to connect gridwm to a specific display, make sure that
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the DISPLAY environment variable is set correctly, e.g.:
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DISPLAY=foo.bar:1 exec wmii
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This will start gridwm on display :1 of the host foo.bar.
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Configuration
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-------------
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The configuration of gridwm is done by customizing the config.h
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source file.
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# Customize to fit your system
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# paths
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PREFIX = /usr/local
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CONFPREFIX = ${PREFIX}/etc
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MANPREFIX = ${PREFIX}/share/man
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X11INC = /usr/X11R6/include
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X11LIB = /usr/X11R6/lib
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VERSION = 0.0
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# includes and libs
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LIBS = -L${PREFIX}/lib -L/usr/lib -lc
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X11LIBS = -L${X11LIB} -lX11
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# Linux/BSD
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CFLAGS = -g -Wall -I. -I${PREFIX}/include -I/usr/include -I${X11INC} \
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-DVERSION=\"${VERSION}\"
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LDFLAGS = -g ${LIBS}
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X11LDFLAGS = ${LDFLAGS} ${X11LIBS}
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# Solaris
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#CFLAGS = -fast -xtarget=ultra ${INCLUDES} -DVERSION=\"${VERSION}\"
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#LIBS += -lnsl -lsocket
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AR = ar cr
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CC = cc
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RANLIB = ranlib
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.TH GRIDWM 1 gridwm-0.0
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.SH NAME
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gridwm \- grid window manager
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.SH SYNOPSIS
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.B gridwm
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.RB [ \-v ]
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.SH DESCRIPTION
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.SS Overview
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.B gridwm
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is an automatic window manager for X11.
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.SS Options
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.TP
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.B \-v
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prints version information to stdout, then exits.
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.SH SEE ALSO
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.BR gridmenu (1)
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/*
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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 <stdarg.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <X11/cursorfont.h>
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#include <X11/Xatom.h>
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#include <X11/Xproto.h>
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#include "wm.h"
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Display *dpy;
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Window root;
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XRectangle rect;
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int screen, sel_screen;
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Atom wm_atom[WMLast];
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Atom net_atom[NetLast];
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Cursor cursor[CurLast];
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unsigned int kmask, numlock_mask;
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Pixmap pmap;
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enum { WM_PROTOCOL_DELWIN = 1 };
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static Bool other_wm_running;
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static int (*x_error_handler) (Display *, XErrorEvent *);
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static char version[] = "gridwm - " VERSION ", (C)opyright MMVI Anselm R. Garbe\n";
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static void
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usage()
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{
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fputs("usage: gridwm [-v]\n", stderr);
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exit(1);
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}
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void
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error(char *errstr, ...) {
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va_list ap;
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va_start(ap, errstr);
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vfprintf(stderr, errstr, ap);
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va_end(ap);
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exit(1);
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}
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static void
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scan_wins()
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{
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unsigned int i, num;
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Window *wins;
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XWindowAttributes wa;
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Window d1, d2;
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if(XQueryTree(dpy, root, &d1, &d2, &wins, &num)) {
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for(i = 0; i < num; i++) {
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if(!XGetWindowAttributes(dpy, wins[i], &wa))
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continue;
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if(wa.override_redirect || XGetTransientForHint(dpy, wins[i], &d1))
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continue;
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if(wa.map_state == IsViewable)
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/*manage*/;
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}
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}
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if(wins)
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XFree(wins);
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}
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static int
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win_property(Window w, Atom a, Atom t, long l, unsigned char **prop)
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{
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Atom real;
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int format;
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unsigned long res, extra;
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int status;
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status = XGetWindowProperty(dpy, w, a, 0L, l, False, t, &real, &format,
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&res, &extra, prop);
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if(status != Success || *prop == 0) {
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return 0;
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}
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if(res == 0) {
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free((void *) *prop);
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}
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return res;
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}
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int
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win_proto(Window w)
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{
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Atom *protocols;
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long res;
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int protos = 0;
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int i;
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res = win_property(w, wm_atom[WMProtocols], XA_ATOM, 20L,
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((unsigned char **) &protocols));
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if(res <= 0) {
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return protos;
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}
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for(i = 0; i < res; i++) {
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if(protocols[i] == wm_atom[WMDelete])
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protos |= WM_PROTOCOL_DELWIN;
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}
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free((char *) protocols);
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return protos;
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}
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/*
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* There's no way to check accesses to destroyed windows, thus
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* those cases are ignored (especially on UnmapNotify's).
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* Other types of errors call Xlib's default error handler, which
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* calls exit().
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*/
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static int
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error_handler(Display *dpy, XErrorEvent *error)
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{
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if(error->error_code == BadWindow
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|| (error->request_code == X_SetInputFocus
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&& error->error_code == BadMatch)
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|| (error->request_code == X_PolyText8
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&& error->error_code == BadDrawable)
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|| (error->request_code == X_PolyFillRectangle
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&& error->error_code == BadDrawable)
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|| (error->request_code == X_PolySegment
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&& error->error_code == BadDrawable)
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|| (error->request_code == X_ConfigureWindow
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&& error->error_code == BadMatch)
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|| (error->request_code == X_GrabKey
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&& error->error_code == BadAccess))
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return 0;
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fprintf(stderr, "gridwm: fatal error: request code=%d, error code=%d\n",
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error->request_code, error->error_code);
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return x_error_handler(dpy, error); /* may call exit() */
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}
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/*
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* Startup Error handler to check if another window manager
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* is already running.
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*/
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static int
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startup_error_handler(Display *dpy, XErrorEvent *error)
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{
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other_wm_running = True;
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return -1;
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}
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static void
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init_lock_keys()
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{
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XModifierKeymap *modmap;
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KeyCode numlock;
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int i;
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static int masks[] = {
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ShiftMask, LockMask, ControlMask, Mod1Mask,
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Mod2Mask, Mod3Mask, Mod4Mask, Mod5Mask
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};
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numlock_mask = 0;
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modmap = XGetModifierMapping(dpy);
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numlock = XKeysymToKeycode(dpy, XStringToKeysym("Num_Lock"));
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if(modmap && modmap->max_keypermod > 0) {
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int max = (sizeof(masks) / sizeof(int)) * modmap->max_keypermod;
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for(i = 0; i < max; i++)
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if(numlock && (modmap->modifiermap[i] == numlock))
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numlock_mask = masks[i / modmap->max_keypermod];
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}
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XFreeModifiermap(modmap);
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kmask = 255 & ~(numlock_mask | LockMask);
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}
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static void
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cleanup()
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{
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/*
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Client *c;
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for(c=client; c; c=c->next)
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reparent_client(c, root, c->sel->rect.x, c->sel->rect.y);
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XSetInputFocus(dpy, PointerRoot, RevertToPointerRoot, CurrentTime);
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*/
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}
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int
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main(int argc, char *argv[])
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{
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int i;
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XSetWindowAttributes wa;
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unsigned int mask;
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Window w;
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/* command line args */
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for(i = 1; (i < argc) && (argv[i][0] == '-'); i++) {
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switch (argv[i][1]) {
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case 'v':
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fprintf(stdout, "%s", version);
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exit(0);
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break;
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default:
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usage();
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break;
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}
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}
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dpy = XOpenDisplay(0);
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if(!dpy)
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error("gridwm: cannot connect X server\n");
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screen = DefaultScreen(dpy);
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root = RootWindow(dpy, screen);
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/* check if another WM is already running */
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other_wm_running = False;
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XSetErrorHandler(startup_error_handler);
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/* this causes an error if some other WM is running */
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XSelectInput(dpy, root, SubstructureRedirectMask);
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XSync(dpy, False);
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if(other_wm_running)
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error("gridwm: another window manager is already running\n");
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rect.x = rect.y = 0;
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rect.width = DisplayWidth(dpy, screen);
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rect.height = DisplayHeight(dpy, screen);
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sel_screen = XQueryPointer(dpy, root, &w, &w, &i, &i, &i, &i, &mask);
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XSetErrorHandler(0);
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x_error_handler = XSetErrorHandler(error_handler);
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/* init atoms */
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wm_atom[WMState] = XInternAtom(dpy, "WM_STATE", False);
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wm_atom[WMProtocols] = XInternAtom(dpy, "WM_PROTOCOLS", False);
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wm_atom[WMDelete] = XInternAtom(dpy, "WM_DELETE_WINDOW", False);
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net_atom[NetSupported] = XInternAtom(dpy, "_NET_SUPPORTED", False);
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net_atom[NetWMName] = XInternAtom(dpy, "_NET_WM_NAME", False);
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XChangeProperty(dpy, root, net_atom[NetSupported], XA_ATOM, 32,
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PropModeReplace, (unsigned char *) net_atom, NetLast);
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/* init cursors */
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cursor[CurNormal] = XCreateFontCursor(dpy, XC_left_ptr);
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cursor[CurResize] = XCreateFontCursor(dpy, XC_sizing);
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cursor[CurMove] = XCreateFontCursor(dpy, XC_fleur);
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init_lock_keys();
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pmap = XCreatePixmap(dpy, root, rect.width, rect.height,
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DefaultDepth(dpy, screen));
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wa.event_mask = SubstructureRedirectMask | EnterWindowMask | LeaveWindowMask;
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wa.cursor = cursor[CurNormal];
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XChangeWindowAttributes(dpy, root, CWEventMask | CWCursor, &wa);
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scan_wins();
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cleanup();
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XCloseDisplay(dpy);
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return 0;
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}
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@ -0,0 +1,57 @@
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/*
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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 <X11/Xlib.h>
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#include <X11/Xutil.h>
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/* WM atoms */
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enum { WMState, WMProtocols, WMDelete, WMLast };
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/* NET atoms */
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enum { NetSupported, NetWMName, NetLast };
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/* Cursor */
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enum { CurNormal, CurResize, CurMove, CurInput, CurLast };
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/* Rects */
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enum { RFloat, RGrid, RLast };
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typedef struct Client Client;
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typedef struct Tag Tag;
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struct Client {
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Tag *tag;
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char name[256];
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int proto;
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Window win;
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Window trans;
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Window title;
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GC gc;
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XSizeHints size;
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XRectangle r[RLast];
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Client *next;
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Client *tnext;
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Client *tprev;
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};
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struct Tag {
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char name[256];
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Client *clients;
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Client *sel;
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XRectangle r;
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};
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extern Display *dpy;
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extern Window root;
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extern XRectangle rect;
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extern int screen, sel_screen;
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extern unsigned int kmask, numlock_mask;
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extern Atom wm_atom[WMLast];
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extern Atom net_atom[NetLast];
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extern Cursor cursor[CurLast];
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extern Pixmap pmap;
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/* wm.c */
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extern void error(char *errstr, ...);
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||||
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