dockapps/cnslock/cnslock.c

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/* csnlock v1.02
* Copyright (C) 2002 Simon Hunter (lists@sprig.dyn.dhs.org)
*
* cnslock is a dock application that displays the current state of the
* three lock keys (caps, num, and scroll)
*
* 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 receive a copy of the GNU General Public License along with
* this program; if you still want it, write to the Free Software Foundation, Inc.,
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* Hacked from various wm applets.
*
*/
/* general includes */
#include <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <time.h>
#include <math.h>
#include <unistd.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#define _GNU_SOURCE
#include <getopt.h>
#include <ctype.h>
/* gdk includes */
#include <gdk/gdk.h>
#include <gdk/gdkx.h>
/* x11 includes */
#include <X11/xpm.h>
#include <X11/Xlib.h>
#include <X11/extensions/shape.h>
/* header includes */
#include "include/defines.h"
#include "include/applet.h"
#include "include/cnslock.h"
#include "include/kleds.h"
/* graphic includes */
#include "graphics/none.h"
#include "graphics/caps.h"
#include "graphics/num.h"
#include "graphics/scroll.h"
#include "graphics/caps_num.h"
#include "graphics/caps_scroll.h"
#include "graphics/num_scroll.h"
#include "graphics/caps_num_scroll.h"
/* stuff */
void cnslock_update(void);
/* misc support functions */
void prepare_backbuffer(int solid);
void parse_options(int argc, char **argv);
void do_help(void);
void do_version(void);
void make_rgb_buffer256(unsigned char *target, unsigned char *source,int width, int height, int frames, char *cmap);
/* globals */
AppletData ad;
/* keeps track of mouse focus */
int proximity;
/* background style (n/a) */
int selected_background=1;
/* initial positional data (n/a) */
int posx=-1, posy=-1;
/* window manager style (0=wm, 1=other) */
int manager_style=0;
/* the main routine */
int main(int argc, char **argv)
{
GdkEvent *event;
srand(time(NULL));
/* initialize GDK */
if (!gdk_init_check(&argc, &argv))
{
fprintf(stderr, "GDK init failed, bye bye. Check \"DISPLAY\" variable.\n");
exit(-1);
}
gdk_rgb_init();
/* parse command line options */
parse_options(argc, argv);
/* zero main data structure */
memset(&ad, 0, sizeof(ad));
/* intialise keyboard leds */
init_kleds();
/* create dockapp window. creates windows, allocates memory, etc */
make_new_cnslock_dockapp(manager_style);
/* draw initial background */
prepare_backbuffer(selected_background);
while(1)
{
while(gdk_events_pending())
{
event = gdk_event_get();
if(event)
{
switch (event->type)
{
case GDK_DESTROY:
gdk_exit(0);
exit(0);
break;
case GDK_BUTTON_PRESS:
/* printf("button press\n"); */
break;
case GDK_ENTER_NOTIFY:
proximity = 1;
break;
case GDK_LEAVE_NOTIFY:
proximity = 0;
break;
default:
break;
}
}
}
usleep(20000);
cnslock_update();
/* actually draw the rgb buffer to screen */
if (manager_style==0)
gdk_draw_rgb_image(ad.iconwin, ad.gc, XMIN, YMIN, XMAX, YMAX, GDK_RGB_DITHER_NONE, ad.rgb, XMAX * 3);
else
gdk_draw_rgb_image(ad.win, ad.gc, XMIN, YMIN, XMAX, YMAX, GDK_RGB_DITHER_NONE, ad.rgb, XMAX * 3);
}
return 0;
} /* main */
/* update caps, num, scroll lock */
void cnslock_update(void)
{
int status;
memcpy(&ad.rgb, &ad.bgr, RGBSIZE);
status = check_kleds();
if ((status & 0) == 0)
make_rgb_buffer256(ad.rgb,none_data,none_width,none_height,1, *none_cmap);
if ((status & 1) == 1)
make_rgb_buffer256(ad.rgb,c_data,c_width,c_height,1, *c_cmap);
if ((status & 2) == 2)
make_rgb_buffer256(ad.rgb,n_data,n_width,n_height,1, *n_cmap);
if ((status & 3) == 3)
make_rgb_buffer256(ad.rgb,cn_data,cn_width,cn_height,1, *cn_cmap);
if ((status & 4) == 4)
make_rgb_buffer256(ad.rgb,s_data,s_width,s_height,1, *s_cmap);
if ((status & 5) == 5)
make_rgb_buffer256(ad.rgb,cs_data,cs_width,cs_height,1, *cs_cmap);
if ((status & 6) == 6)
make_rgb_buffer256(ad.rgb,ns_data,ns_width,ns_height,1, *ns_cmap);
if ((status & 7) == 7)
make_rgb_buffer256(ad.rgb,cns_data,cns_width,cns_height,1, *cns_cmap);
memcpy(&ad.bgr, &ad.rgb, RGBSIZE);
}
void prepare_backbuffer(int solid)
{
make_rgb_buffer256(ad.rgb,none_data,none_width,none_height,1, *none_cmap);
/* copy it to the "frequent use" buffer */
memcpy(&ad.bgr, &ad.rgb, RGBSIZE);
} /* prepare_backbuffer */
void make_rgb_buffer256(unsigned char *target, unsigned char *source, int width, int height, int frames, char *cmap)
{
int i, j = 0;
for (i = 0; i < (width * height * frames); i++)
{
target[j] = cmap[3*source[i]];
target[j+1] = cmap[3*source[i]+1];
target[j+2] = cmap[3*source[i]+2];
j += 3;
}
}
void parse_options(int argc, char *argv[])
{
int c = 0;
struct option long_options[] = {
{"help", no_argument, NULL, 1},
{"h", no_argument, NULL, 1},
{"version", no_argument, NULL, 2},
{"v", no_argument, NULL, 2},
{"window", no_argument, NULL, 3},
{"w", no_argument, NULL, 3},
{0, 0, 0, 0}
};
while ((c = getopt_long_only(argc, argv, "", long_options, NULL)) != -1)
{
switch(c)
{
case 1:
do_help();
exit(0);
break;
case 2:
do_version();
exit(0);
break;
case 3:
manager_style = 1;
break;
}
}
}
void do_version(void)
{
printf("\ncnslock applet v%.2f\n\n", VERSION);
}
/*
-h,--help Display help
-v,--version Display version
-w,--window Alternative window system
*/
void do_help(void)
{
do_version();
printf("This is an applet that displays the various states of the CAPS, NUM and SCROLL LOCK keys.\n"
"\nUsage: cnslock [options]\n\n"
" -h\t--help\t\tShow this message and exit.\n"
" -v\t--version\tShow version and exit.\n"
" -w\t--window\tUse alternative windowing system.\n\n"
);
}