awesome/awesome-message.c

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/*
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* awesome-message.c - message window for awesome
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*
* Copyright © 2008 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.
*
*/
#define _GNU_SOURCE
#include <getopt.h>
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#include <signal.h>
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#include <unistd.h>
#include <stdlib.h>
#include <errno.h>
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#include <stdbool.h>
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#include <xcb/xcb.h>
#include <xcb/xcb_aux.h>
#include <xcb/xcb_atom.h>
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#include "common/swindow.h"
#include "common/util.h"
#include "common/version.h"
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#include "common/configopts.h"
#include "common/xscreen.h"
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#define PROGNAME "awesome-message"
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static bool running = true;
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/** Import awesome config file format */
extern cfg_opt_t awesome_opts[];
/** awesome-run global configuration structure */
typedef struct
{
/** Display ref */
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xcb_connection_t *connection;
/** Default screen number */
int default_screen;
/** Style */
style_t style;
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} AwesomeMsgConf;
static AwesomeMsgConf globalconf;
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static void __attribute__ ((noreturn))
exit_help(int exit_code)
{
FILE *outfile = (exit_code == EXIT_SUCCESS) ? stdout : stderr;
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fprintf(outfile, "Usage: %s [-x xcoord] [-y ycoord] [-d delay] <message> <icon>\n",
PROGNAME);
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exit(exit_code);
}
static int
config_parse(int screen, const char *confpatharg)
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{
int ret;
char *confpath;
cfg_t *cfg, *cfg_screen;
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if(!confpatharg)
confpath = config_file();
else
confpath = a_strdup(confpatharg);
cfg = cfg_new();
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switch((ret = cfg_parse(cfg, confpath)))
{
case CFG_FILE_ERROR:
warn("parsing configuration file failed: %s\n", strerror(errno));
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break;
case CFG_PARSE_ERROR:
cfg_error(cfg, "awesome: parsing configuration file %s failed.\n", confpath);
break;
}
if(ret)
return ret;
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/* get global screen section */
if(!(cfg_screen = cfg_getnsec(cfg, "screen", screen)))
if(!(cfg_screen = cfg_getsec(cfg, "screen")))
eprint("parsing configuration file failed, no screen section found\n");
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/* style */
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draw_style_init(globalconf.connection, globalconf.default_screen,
cfg_getsec(cfg_getsec(cfg_screen, "styles"), "normal"),
&globalconf.style, NULL);
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if(!globalconf.style.font)
eprint("no default font available\n");
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p_delete(&confpath);
return ret;
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}
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static void
exit_on_signal(int sig __attribute__ ((unused)))
{
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running = false;
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}
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int
main(int argc, char **argv)
{
simple_window_t *sw;
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DrawCtx *ctx;
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xcb_generic_event_t *ev;
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area_t geometry = { 0, 0, 200, 50, NULL, NULL },
icon_geometry = { -1, -1, -1, -1, NULL, NULL };
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int opt, ret, screen = 0, delay = 0;
xcb_query_pointer_reply_t *xqp = NULL;
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char *configfile = NULL;
ScreensInfo *si;
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static struct option long_options[] =
{
{"help", 0, NULL, 'h'},
{"version", 0, NULL, 'v'},
{NULL, 0, NULL, 0}
};
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while((opt = getopt_long(argc, argv, "vhf:b:x:y:n:c:d:",
long_options, NULL)) != -1)
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switch(opt)
{
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case 'd':
if((delay = atoi(optarg)) <= 0)
delay = 1;
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break;
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case 'v':
eprint_version(PROGNAME);
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break;
case 'x':
geometry.x = atoi(optarg);
break;
case 'y':
geometry.y = atoi(optarg);
break;
case 'h':
exit_help(EXIT_SUCCESS);
break;
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case 'c':
configfile = a_strdup(optarg);
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break;
}
if(argc - optind < 1)
exit_help(EXIT_FAILURE);
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globalconf.connection = xcb_connect(NULL, &globalconf.default_screen);
if(xcb_connection_has_error(globalconf.connection))
eprint("unable to open display");
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si = screensinfo_new(globalconf.connection);
if(si->xinerama_is_active)
{
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if((xqp = xcb_query_pointer_reply(globalconf.connection,
xcb_query_pointer(globalconf.connection,
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xcb_aux_get_screen(globalconf.connection,
globalconf.default_screen)->root),
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NULL)) != NULL)
{
screen = screen_get_bycoord(si, 0, xqp->root_x, xqp->root_y);
p_delete(&xqp);
}
}
else
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screen = globalconf.default_screen;
if((ret = config_parse(screen, configfile)))
return ret;
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geometry.width = draw_textwidth(globalconf.connection, globalconf.default_screen,
globalconf.style.font, argv[optind]);
geometry.height = globalconf.style.font->height * 1.5;
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if(argc - optind >= 2)
{
icon_geometry = draw_get_image_size(argv[optind + 1]);
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if(icon_geometry.width <= 0 || icon_geometry.height <= 0)
eprint("invalid image\n");
else
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geometry.width += icon_geometry.width
* ((double) globalconf.style.font->height / (double) icon_geometry.height);
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}
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sw = simplewindow_new(globalconf.connection, globalconf.default_screen,
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geometry.x, geometry.y, geometry.width, geometry.height, 0);
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xcb_change_property(globalconf.connection, XCB_PROP_MODE_REPLACE, sw->window,
WM_NAME, STRING, 8, strlen(PROGNAME), PROGNAME);
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ctx = draw_context_new(globalconf.connection, globalconf.default_screen,
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geometry.width, geometry.height, sw->drawable);
geometry.x = geometry.y = 0;
draw_text(ctx, geometry, AlignRight, 0,argv[optind], globalconf.style);
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if(icon_geometry.width > 0 && icon_geometry.height > 0)
draw_image(ctx, 0, (geometry.height / 2) - (globalconf.style.font->height / 2),
globalconf.style.font->height, argv[optind + 1]);
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p_delete(&ctx);
xcb_map_window(globalconf.connection, sw->window);
simplewindow_refresh_drawable(sw);
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xcb_aux_sync(globalconf.connection);
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signal(SIGALRM, &exit_on_signal);
alarm(delay);
while(running)
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{
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while((ev = xcb_poll_for_event(globalconf.connection)))
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{
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/* Skip errors */
if(ev->response_type == 0)
continue;
switch(ev->response_type & 0x7f)
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{
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case XCB_BUTTON_PRESS:
case XCB_KEY_PRESS:
running = false;
case XCB_EXPOSE:
simplewindow_refresh_drawable(sw);
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break;
default:
break;
}
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p_delete(&ev);
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}
usleep(100000);
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}
simplewindow_delete(&sw);
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xcb_disconnect(globalconf.connection);
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return EXIT_SUCCESS;
}
// vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80