mirror of
https://github.com/awesomeWM/awesome
synced 2024-11-05 20:26:09 +01:00
146 lines
3.8 KiB
C
146 lines
3.8 KiB
C
/*
|
|
* xutil.c - X-related useful functions
|
|
*
|
|
* Copyright © 2007 Julien Danjou <julien@danjou.info>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License along
|
|
* with this program; if not, write to the Free Software Foundation, Inc.,
|
|
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*
|
|
*/
|
|
#include <X11/Xutil.h>
|
|
#include <X11/Xatom.h>
|
|
#include <X11/extensions/Xinerama.h>
|
|
#include <sys/wait.h>
|
|
|
|
#include "config.h"
|
|
#include "util.h"
|
|
#include "xutil.h"
|
|
#include "screen.h"
|
|
|
|
extern AwesomeConf globalconf;
|
|
|
|
/** Execute another process, replacing the current instance of Awesome
|
|
* \param screen Screen ID
|
|
* \param arg Command
|
|
* \ingroup ui_callback
|
|
*/
|
|
void
|
|
uicb_exec(int screen __attribute__ ((unused)), char *arg)
|
|
{
|
|
char path[PATH_MAX];
|
|
if(globalconf.display)
|
|
close(ConnectionNumber(globalconf.display));
|
|
|
|
sscanf(arg, "%s", path);
|
|
execlp(path, arg, NULL);
|
|
}
|
|
|
|
/** Spawn another process
|
|
* \param screen Screen ID
|
|
* \param arg Command
|
|
* \ingroup ui_callback
|
|
*/
|
|
void
|
|
uicb_spawn(int screen, char *arg)
|
|
{
|
|
static char *shell = NULL;
|
|
char *display = NULL;
|
|
char *tmp, newdisplay[128];
|
|
|
|
if(!shell && !(shell = getenv("SHELL")))
|
|
shell = a_strdup("/bin/sh");
|
|
if(!arg)
|
|
return;
|
|
|
|
if(!XineramaIsActive(globalconf.display) && (tmp = getenv("DISPLAY")))
|
|
{
|
|
display = a_strdup(tmp);
|
|
if((tmp = strrchr(display, '.')))
|
|
*tmp = '\0';
|
|
snprintf(newdisplay, sizeof(newdisplay), "%s.%d", display, screen);
|
|
setenv("DISPLAY", newdisplay, 1);
|
|
}
|
|
|
|
|
|
/* The double-fork construct avoids zombie processes and keeps the code
|
|
* clean from stupid signal handlers. */
|
|
if(fork() == 0)
|
|
{
|
|
if(fork() == 0)
|
|
{
|
|
if(globalconf.display)
|
|
close(ConnectionNumber(globalconf.display));
|
|
setsid();
|
|
execl(shell, shell, "-c", arg, (char *) NULL);
|
|
warn("execl '%s -c %s'", shell, arg);
|
|
perror(" failed");
|
|
}
|
|
exit(EXIT_SUCCESS);
|
|
}
|
|
wait(0);
|
|
}
|
|
|
|
Bool
|
|
xgettextprop(Display *disp, Window w, Atom atom, char *text, ssize_t textlen)
|
|
{
|
|
char **list = NULL;
|
|
int n;
|
|
|
|
XTextProperty name;
|
|
|
|
if(!text || !textlen)
|
|
return False;
|
|
|
|
text[0] = '\0';
|
|
XGetTextProperty(disp, w, &name, atom);
|
|
|
|
if(!name.nitems)
|
|
return False;
|
|
|
|
if(name.encoding == XA_STRING)
|
|
a_strncpy(text, textlen, (char *) name.value, textlen - 1);
|
|
|
|
else if(XmbTextPropertyToTextList(disp, &name, &list, &n) >= Success && n > 0 && *list)
|
|
{
|
|
a_strncpy(text, textlen, *list, textlen - 1);
|
|
XFreeStringList(list);
|
|
}
|
|
|
|
text[textlen - 1] = '\0';
|
|
XFree(name.value);
|
|
|
|
return True;
|
|
}
|
|
|
|
|
|
/** Initialize an X color
|
|
* \param screen Screen number
|
|
* \param colstr Color specification
|
|
*/
|
|
XColor
|
|
initxcolor(int phys_screen, const char *colstr)
|
|
{
|
|
XColor screenColor, exactColor;
|
|
|
|
if(!XAllocNamedColor(globalconf.display,
|
|
DefaultColormap(globalconf.display, phys_screen),
|
|
colstr,
|
|
&screenColor,
|
|
&exactColor))
|
|
eprint("awesome: error, cannot allocate color '%s'\n", colstr);
|
|
|
|
return screenColor;
|
|
}
|
|
|
|
// vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80
|