libs/Cursor.c

   1 /* -*-c-*- */
   2 /* This program is free software; you can redistribute it and/or modify
   3  * it under the terms of the GNU General Public License as published by
   4  * the Free Software Foundation; either version 2 of the License, or
   5  * (at your option) any later version.
   6  *
   7  * This program is distributed in the hope that it will be useful,
   8  * but WITHOUT ANY WARRANTY; without even the implied warranty of
   9  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  10  * GNU General Public License for more details.
  11  *
  12  * You should have received a copy of the GNU General Public License
  13  * along with this program; if not, write to the Free Software
  14  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  15  */
  16
  17 /*  Modification History */
  18
  19 /*  Created on 10/05/01 by Dan Espen (dane):
  20     Extracted from fvwm/cursor.c.
  21     Contains common routine to verify and convert a cursor name
  22     into a cursor number from X11/cursorfont.h.
  23     Used by fvwm CursorStyle command and FvwmForm.
  24 */
  25 #include "config.h"
  26 #include <stdio.h>
  27 #include "fvwmlib.h"
  28 #include <X11/cursorfont.h>
  29 #include "Cursor.h"
  30
  31 /*
  32  *  fvwmCursorNameToIndex: return the number of a X11 cursor from its
  33  *  name, if not found return -1.
  34  */
  35 int fvwmCursorNameToIndex (char *cursor_name)
  36 {
  37         static const struct CursorNameIndex {
  38                 const char  *name;
  39                 unsigned int number;
  40         } cursor_table[] = {
  41                 {"arrow", XC_arrow},
  42                 {"based_arrow_down", XC_based_arrow_down},
  43                 {"based_arrow_up", XC_based_arrow_up},
  44                 {"boat", XC_boat},
  45                 {"bogosity", XC_bogosity},
  46                 {"bottom_left_corner", XC_bottom_left_corner},
  47                 {"bottom_right_corner", XC_bottom_right_corner},
  48                 {"bottom_side", XC_bottom_side},
  49                 {"bottom_tee", XC_bottom_tee},
  50                 {"box_spiral", XC_box_spiral},
  51                 {"center_ptr", XC_center_ptr},
  52                 {"circle", XC_circle},
  53                 {"clock", XC_clock},
  54                 {"coffee_mug", XC_coffee_mug},
  55                 {"cross", XC_cross},
  56                 {"cross_reverse", XC_cross_reverse},
  57                 {"crosshair", XC_crosshair},
  58                 {"diamond_cross", XC_diamond_cross},
  59                 {"dot", XC_dot},
  60                 {"dotbox", XC_dotbox},
  61                 {"double_arrow", XC_double_arrow},
  62                 {"draft_large", XC_draft_large},
  63                 {"draft_small", XC_draft_small},
  64                 {"draped_box", XC_draped_box},
  65                 {"exchange", XC_exchange},
  66                 {"fleur", XC_fleur},
  67                 {"gobbler", XC_gobbler},
  68                 {"gumby", XC_gumby},
  69                 {"hand1", XC_hand1},
  70                 {"hand2", XC_hand2},
  71                 {"heart", XC_heart},
  72                 {"icon", XC_icon},
  73                 {"iron_cross", XC_iron_cross},
  74                 {"left_ptr", XC_left_ptr},
  75                 {"left_side", XC_left_side},
  76                 {"left_tee", XC_left_tee},
  77                 {"leftbutton", XC_leftbutton},
  78                 {"ll_angle", XC_ll_angle},
  79                 {"lr_angle", XC_lr_angle},
  80                 {"man", XC_man},
  81                 {"middlebutton", XC_middlebutton},
  82                 {"mouse", XC_mouse},
  83                 {"pencil", XC_pencil},
  84                 {"pirate", XC_pirate},
  85                 {"plus", XC_plus},
  86                 {"question_arrow", XC_question_arrow},
  87                 {"right_ptr", XC_right_ptr},
  88                 {"right_side", XC_right_side},
  89                 {"right_tee", XC_right_tee},
  90                 {"rightbutton", XC_rightbutton},
  91                 {"rtl_logo", XC_rtl_logo},
  92                 {"sailboat", XC_sailboat},
  93                 {"sb_down_arrow", XC_sb_down_arrow},
  94                 {"sb_h_double_arrow", XC_sb_h_double_arrow},
  95                 {"sb_left_arrow", XC_sb_left_arrow},
  96                 {"sb_right_arrow", XC_sb_right_arrow},
  97                 {"sb_up_arrow", XC_sb_up_arrow},
  98                 {"sb_v_double_arrow", XC_sb_v_double_arrow},
  99                 {"sizing", XC_sizing},
 100                 {"spider", XC_spider},
 101                 {"spraycan", XC_spraycan},
 102                 {"star", XC_star},
 103                 {"target", XC_target},
 104                 {"tcross", XC_tcross},
 105                 {"top_left_arrow", XC_top_left_arrow},
 106                 {"top_left_corner", XC_top_left_corner},
 107                 {"top_right_corner", XC_top_right_corner},
 108                 {"top_side", XC_top_side},
 109                 {"top_tee", XC_top_tee},
 110                 {"trek", XC_trek},
 111                 {"ul_angle", XC_ul_angle},
 112                 {"umbrella", XC_umbrella},
 113                 {"ur_angle", XC_ur_angle},
 114                 {"watch", XC_watch},
 115                 {"x_cursor", XC_X_cursor},
 116                 {"xterm", XC_xterm},
 117         };
 118
 119         int cond;
 120         int down = 0;
 121         int up = (sizeof cursor_table / sizeof cursor_table[0]) - 1;
 122         int middle;
 123         char temp[20];
 124         char *s;
 125
 126         if (!cursor_name || cursor_name[0] == 0 ||
 127             strlen(cursor_name) >= sizeof temp)
 128                 return -1;
 129         strcpy(temp, cursor_name);
 130
 131         for (s = temp; *s != 0; s++)
 132                 if (isupper(*s))
 133                         *s = tolower(*s);
 134
 135         while (down <= up)
 136         {
 137                 middle= (down + up) / 2;
 138                 if ((cond = strcmp(temp, cursor_table[middle].name)) < 0)
 139                         up = middle - 1;
 140                 else if (cond > 0)
 141                         down =  middle + 1;
 142                 else
 143                         return cursor_table[middle].number;
 144         }
 145         return -1;
 146 }