cnslock/cnslock.c

   1 /* csnlock v1.02
   2  * Copyright (C) 2002 Simon Hunter (lists@sprig.dyn.dhs.org)
   3  *
   4  * cnslock is a dock application that displays the current state of the
   5  * three lock keys (caps, num, and scroll)
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have receive a copy of the GNU General Public License along with
  18  * this program; if you still want it, write to the Free Software Foundation, Inc.,
  19  * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  20  *
  21  * Hacked from various wm applets.
  22  *
  23  */
  24
  25 /* general includes */
  26 #include <X11/Xlib.h>
  27 #include <libdockapp/dockapp.h>
  28
  29 #include "include/kleds.h"
  30 #include "graphics/caps_num_scroll.xpm"
  31
  32 /* stuff */
  33 void cnslock_init(void);
  34 void cnslock_update(void);
  35
  36 /* globals */
  37 Pixmap led_pix;
  38 Pixmap win_pix;
  39
  40 /* the main routine */
  41 int main(int argc, char **argv)
  42 {
  43         DACallbacks eventCallbacks = {NULL, NULL, NULL, NULL, NULL, NULL,
  44                                       cnslock_update};
  45
  46         DAParseArguments(argc, argv, NULL, 0,
  47                          "This is an applet that displays the various states of"
  48                          "the CAPS, NUM and SCROLL\nLOCK keys.",
  49                          "cnslock applet v" VERSION);
  50         DAInitialize(NULL, "cnslock", 56, 56, argc, argv);
  51         DASetCallbacks(&eventCallbacks);
  52         DASetTimeout(20);
  53         cnslock_init();
  54         DAShow();
  55         DAEventLoop();
  56
  57         return 0;
  58 }
  59
  60 void cnslock_init(void)
  61 {
  62         int status;
  63         short unsigned int w, h;
  64
  65         win_pix = DAMakePixmap();
  66         XFillRectangle(DADisplay, win_pix, DAGC, 0, 0, 56, 56);
  67         DAMakePixmapFromData(caps_num_scroll_xpm, &led_pix, NULL, &w, &h);
  68
  69         status = check_kleds();
  70
  71         if (status & 1)
  72                 XCopyArea(DADisplay, led_pix, win_pix, DAGC,
  73                           9, 9, 20, 26, 9, 9);
  74         if (status & 2)
  75                 XCopyArea(DADisplay, led_pix, win_pix, DAGC,
  76                           32, 13, 15, 20, 32, 13);
  77         if (status & 3)
  78                 XCopyArea(DADisplay, led_pix, win_pix, DAGC,
  79                           8, 38, 40, 10, 8, 38);
  80         DASetPixmap(win_pix);
  81 }
  82
  83 /* update caps, num, scroll lock */
  84 void cnslock_update(void)
  85 {
  86         static int status;
  87         int new_status;
  88         int new_pix = 0;
  89
  90         new_status = check_kleds();
  91
  92         if ((status & 1) != (new_status & 1)) {
  93                 if ((new_status & 1) == 1)
  94                         XCopyArea(DADisplay, led_pix, win_pix, DAGC,
  95                                   9, 9, 20, 26, 9, 9);
  96                 else
  97                         XFillRectangle(DADisplay, win_pix, DAGC, 9, 9, 20, 26);
  98                 new_pix = 1;
  99         }
 100         if ((status & 2) != (new_status & 2)) {
 101                 if ((new_status & 2) == 2)
 102                         XCopyArea(DADisplay, led_pix, win_pix, DAGC,
 103                                   32, 13, 15, 20, 32, 13);
 104                 else
 105                         XFillRectangle(DADisplay, win_pix, DAGC,
 106                                        32, 13, 15, 20);
 107                 new_pix = 1;
 108         }
 109         if ((status & 4) != (new_status & 4)) {
 110                 if ((new_status & 4) == 4)
 111                         XCopyArea(DADisplay, led_pix, win_pix, DAGC,
 112                                   8, 38, 40, 10, 8, 38);
 113                 else
 114                         XFillRectangle(DADisplay, win_pix, DAGC, 8, 38, 40, 10);
 115                 new_pix = 1;
 116         }
 117
 118         if (new_pix)
 119                 DASetPixmap(win_pix);
 120         status = new_status;
 121 }