cnslock/cnslock.c

   1 /* cnslock
   2  * Copyright (C) 2002 Simon Hunter (lists@sprig.dyn.dhs.org)
   3  * Copyright (C) 2017 Window Maker Team (wmaker-dev@googlegroups.com)
   4  *
   5  * cnslock is a dock application that displays the current state of the
   6  * three lock keys (caps, num, and scroll)
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; either version 2 of the License, or
  11  * (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have receive a copy of the GNU General Public License along with
  19  * this program; if you still want it, write to the Free Software Foundation, Inc.,
  20  * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  21  *
  22  * Hacked from various wm applets.
  23  *
  24  */
  25
  26 /* general includes */
  27 #include <X11/Xlib.h>
  28 #include <libdockapp/dockapp.h>
  29
  30 #include "include/kleds.h"
  31 #include "graphics/caps_num_scroll.xpm"
  32
  33 /* stuff */
  34 void cnslock_init(void);
  35 void cnslock_update(void);
  36
  37 /* globals */
  38 Pixmap led_pix;
  39 Pixmap win_pix;
  40
  41 /* the main routine */
  42 int main(int argc, char **argv)
  43 {
  44         DACallbacks eventCallbacks = {NULL, NULL, NULL, NULL, NULL, NULL,
  45                                       cnslock_update};
  46
  47         DAParseArguments(argc, argv, NULL, 0,
  48                          "This is an applet that displays the various states of"
  49                          "the CAPS, NUM and SCROLL\nLOCK keys.",
  50                          "cnslock applet v" VERSION);
  51         DAInitialize(NULL, "cnslock", 56, 56, argc, argv);
  52         DASetCallbacks(&eventCallbacks);
  53         DASetTimeout(20);
  54         cnslock_init();
  55         DAShow();
  56         DAEventLoop();
  57
  58         return 0;
  59 }
  60
  61 void cnslock_init(void)
  62 {
  63         int status;
  64         short unsigned int w, h;
  65
  66         win_pix = DAMakePixmap();
  67         XFillRectangle(DADisplay, win_pix, DAGC, 0, 0, 56, 56);
  68         DAMakePixmapFromData(caps_num_scroll_xpm, &led_pix, NULL, &w, &h);
  69
  70         status = check_kleds();
  71
  72         if (status & 1)
  73                 XCopyArea(DADisplay, led_pix, win_pix, DAGC,
  74                           9, 9, 20, 26, 9, 9);
  75         if (status & 2)
  76                 XCopyArea(DADisplay, led_pix, win_pix, DAGC,
  77                           32, 13, 15, 20, 32, 13);
  78         if (status & 3)
  79                 XCopyArea(DADisplay, led_pix, win_pix, DAGC,
  80                           8, 38, 40, 10, 8, 38);
  81         DASetPixmap(win_pix);
  82 }
  83
  84 /* update caps, num, scroll lock */
  85 void cnslock_update(void)
  86 {
  87         static int status;
  88         int new_status;
  89         int new_pix = 0;
  90
  91         new_status = check_kleds();
  92
  93         if ((status & 1) != (new_status & 1)) {
  94                 if ((new_status & 1) == 1)
  95                         XCopyArea(DADisplay, led_pix, win_pix, DAGC,
  96                                   9, 9, 20, 26, 9, 9);
  97                 else
  98                         XFillRectangle(DADisplay, win_pix, DAGC, 9, 9, 20, 26);
  99                 new_pix = 1;
 100         }
 101         if ((status & 2) != (new_status & 2)) {
 102                 if ((new_status & 2) == 2)
 103                         XCopyArea(DADisplay, led_pix, win_pix, DAGC,
 104                                   32, 13, 15, 20, 32, 13);
 105                 else
 106                         XFillRectangle(DADisplay, win_pix, DAGC,
 107                                        32, 13, 15, 20);
 108                 new_pix = 1;
 109         }
 110         if ((status & 4) != (new_status & 4)) {
 111                 if ((new_status & 4) == 4)
 112                         XCopyArea(DADisplay, led_pix, win_pix, DAGC,
 113                                   8, 38, 40, 10, 8, 38);
 114                 else
 115                         XFillRectangle(DADisplay, win_pix, DAGC, 8, 38, 40, 10);
 116                 new_pix = 1;
 117         }
 118
 119         if (new_pix)
 120                 DASetPixmap(win_pix);
 121         status = new_status;
 122 }