gnu/lib/libdialog/rc.h

   1 /*
   2  *  rc.h -- declarations for configuration file processing
   3  *
   4  *  AUTHOR: Savio Lam (lam836@cs.cuhk.hk)
   5  *
   6  *  This program is free software; you can redistribute it and/or
   7  *  modify it under the terms of the GNU General Public License
   8  *  as published by the Free Software Foundation; either version 2
   9  *  of the License, or (at your option) any later version.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License
  17  *  along with this program; if not, write to the Free Software
  18  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  19  */
  20
  21
  22 #define DIALOGRC ".dialogrc"
  23 #define VAR_LEN 30
  24 #define COMMENT_LEN 70
  25
  26 /* Types of values */
  27 #define VAL_INT  0
  28 #define VAL_STR  1
  29 #define VAL_BOOL 2
  30 #define VAL_ATTR 3
  31
  32 /* Type of line in configuration file */
  33 #define LINE_BLANK    2
  34 #define LINE_COMMENT  1
  35 #define LINE_OK       0
  36 #define LINE_ERROR   -1
  37
  38 /* number of configuration variables */
  39 #define VAR_COUNT        (sizeof(vars) / sizeof(vars_st))
  40
  41 /* check if character is white space */
  42 #define whitespace(c)    (c == ' ' || c == '\t')
  43
  44 /* check if character is string quoting characters */
  45 #define isquote(c)       (c == '"' || c == '\'')
  46
  47 /* get last character of string */
  48 #define lastch(str)      str[strlen(str)-1]
  49
  50 /*
  51  * Configuration variables
  52  */
  53 typedef struct {
  54   unsigned char      name[VAR_LEN];  /* name of configuration variable as in DIALOGRC */
  55   void     *var;            /* address of actually variable to change */
  56   int       type;           /* type of value */
  57   unsigned char      comment[COMMENT_LEN];    /* comment to put in "rc" file */
  58 } vars_st;
  59
  60 vars_st vars[] = {
  61   {  "use_shadow",
  62      &use_shadow,
  63      VAL_BOOL,
  64      "Shadow dialog boxes? This also turns on color."                        },
  65
  66   {  "use_colors",
  67      &use_colors,
  68      VAL_BOOL,
  69      "Turn color support ON or OFF"                                          },
  70
  71   {  "screen_color",
  72      color_table[0],
  73      VAL_ATTR,
  74      "Screen color"                                                          },
  75
  76   {  "shadow_color",
  77      color_table[1],
  78      VAL_ATTR,
  79      "Shadow color"                                                          },
  80
  81   {  "dialog_color",
  82      color_table[2],
  83      VAL_ATTR,
  84      "Dialog box color"                                                      },
  85
  86   {  "title_color",
  87      color_table[3],
  88      VAL_ATTR,
  89      "Dialog box title color"                                                },
  90
  91   {  "border_color",
  92      color_table[4],
  93      VAL_ATTR,
  94      "Dialog box border color"                                               },
  95
  96   {  "button_active_color",
  97      color_table[5],
  98      VAL_ATTR,
  99      "Active button color"                                                   },
 100
 101   {  "button_inactive_color",
 102      color_table[6],
 103      VAL_ATTR,
 104      "Inactive button color"                                                 },
 105
 106   {  "button_key_active_color",
 107      color_table[7],
 108      VAL_ATTR,
 109      "Active button key color"                                               },
 110
 111   {  "button_key_inactive_color",
 112      color_table[8],
 113      VAL_ATTR,
 114      "Inactive button key color"                                             },
 115
 116   {  "button_label_active_color",
 117      color_table[9],
 118      VAL_ATTR,
 119      "Active button label color"                                             },
 120
 121   {  "button_label_inactive_color",
 122      color_table[10],
 123      VAL_ATTR,
 124      "Inactive button label color"                                           },
 125
 126   {  "inputbox_color",
 127      color_table[11],
 128      VAL_ATTR,
 129      "Input box color"                                                       },
 130
 131   {  "inputbox_border_color",
 132      color_table[12],
 133      VAL_ATTR,
 134      "Input box border color"                                                },
 135
 136   {  "searchbox_color",
 137      color_table[13],
 138      VAL_ATTR,
 139      "Search box color"                                                      },
 140
 141   {  "searchbox_title_color",
 142      color_table[14],
 143      VAL_ATTR,
 144      "Search box title color"                                                },
 145
 146   {  "searchbox_border_color",
 147      color_table[15],
 148      VAL_ATTR,
 149      "Search box border color"                                               },
 150
 151   {  "position_indicator_color",
 152      color_table[16],
 153      VAL_ATTR,
 154      "File position indicator color"                                         },
 155
 156   {  "menubox_color",
 157      color_table[17],
 158      VAL_ATTR,
 159      "Menu box color"                                                        },
 160
 161   {  "menubox_border_color",
 162      color_table[18],
 163      VAL_ATTR,
 164      "Menu box border color"                                                 },
 165
 166   {  "item_color",
 167      color_table[19],
 168      VAL_ATTR,
 169      "Item color"                                                            },
 170
 171   {  "item_selected_color",
 172      color_table[20],
 173      VAL_ATTR,
 174      "Selected item color"                                                   },
 175
 176   {  "tag_color",
 177      color_table[21],
 178      VAL_ATTR,
 179      "Tag color"                                                             },
 180
 181   {  "tag_selected_color",
 182      color_table[22],
 183      VAL_ATTR,
 184      "Selected tag color"                                                    },
 185
 186   {  "tag_key_color",
 187      color_table[23],
 188      VAL_ATTR,
 189      "Tag key color"                                                         },
 190
 191   {  "tag_key_selected_color",
 192      color_table[24],
 193      VAL_ATTR,
 194      "Selected tag key color"                                                },
 195
 196   {  "check_color",
 197      color_table[25],
 198      VAL_ATTR,
 199      "Check box color"                                                       },
 200
 201   {  "check_selected_color",
 202      color_table[26],
 203      VAL_ATTR,
 204      "Selected check box color"                                              },
 205
 206   {  "uarrow_color",
 207      color_table[27],
 208      VAL_ATTR,
 209      "Up arrow color"                                                        },
 210
 211   {  "darrow_color",
 212      color_table[28],
 213      VAL_ATTR,
 214      "Down arrow color"                                                      }
 215 };    /* vars */
 216
 217
 218
 219 /*
 220  * Routines to process configuration file
 221  */
 222 int parse_rc(void);