gnu/lib/libdialog/dialog.priv.h

   1 /*
   2  *  dialog.h -- common declarations for all dialog modules
   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 #include <sys/types.h>
  23 #include <fcntl.h>
  24 #include <unistd.h>
  25 #include <ctype.h>
  26 #include <stdlib.h>
  27 #include <string.h>
  28 #include <termios.h>
  29
  30 #if defined(LOCALE)
  31 #include <locale.h>
  32 #endif
  33
  34
  35 /*
  36  * Change these if you want
  37  */
  38 #define USE_SHADOW TRUE
  39 #define USE_COLORS TRUE
  40
  41 #define ESC 27
  42 #define TAB 9
  43 #define BUF_SIZE (10*1024)
  44
  45 #ifndef MIN
  46 #define MIN(x,y) (x < y ? x : y)
  47 #endif
  48 #ifndef MAX
  49 #define MAX(x,y) (x > y ? x : y)
  50 #endif
  51
  52 #ifndef ctrl
  53 #define ctrl(a)          ((a) - 'a' + 1)
  54 #endif
  55
  56 #ifndef HAVE_NCURSES
  57 #ifndef ACS_ULCORNER
  58 #define ACS_ULCORNER '+'
  59 #endif
  60 #ifndef ACS_LLCORNER
  61 #define ACS_LLCORNER '+'
  62 #endif
  63 #ifndef ACS_URCORNER
  64 #define ACS_URCORNER '+'
  65 #endif
  66 #ifndef ACS_LRCORNER
  67 #define ACS_LRCORNER '+'
  68 #endif
  69 #ifndef ACS_HLINE
  70 #define ACS_HLINE '-'
  71 #endif
  72 #ifndef ACS_VLINE
  73 #define ACS_VLINE '|'
  74 #endif
  75 #ifndef ACS_LTEE
  76 #define ACS_LTEE '+'
  77 #endif
  78 #ifndef ACS_RTEE
  79 #define ACS_RTEE '+'
  80 #endif
  81 #ifndef ACS_UARROW
  82 #define ACS_UARROW '^'
  83 #endif
  84 #ifndef ACS_DARROW
  85 #define ACS_DARROW 'v'
  86 #endif
  87 #endif    /* HAVE_NCURSES */
  88
  89 /* Travel key conventions */
  90 #define KEY_IS_UP(key)          ((key) == KEY_UP || (key) == '-' || key == '\020' /* ^P */)
  91 #define KEY_IS_DOWN(key)        ((key) == KEY_DOWN || (key) == '+' || key == '\016' /* ^N */)
  92
  93 /*
  94  * Global variables
  95  */
  96 #ifdef __DIALOG_MAIN__
  97
  98 #ifdef HAVE_NCURSES
  99
 100 /* use colors by default? */
 101 bool use_colors = USE_COLORS;
 102
 103 /* shadow dialog boxes by default?
 104    Note that 'use_shadow' implies 'use_colors' */
 105 bool use_shadow = USE_SHADOW;
 106
 107 #endif
 108
 109
 110 /*
 111  * Attribute values, default is for mono display
 112  */
 113 chtype attributes[] = {
 114   A_NORMAL,       /* screen_attr */
 115   A_NORMAL,       /* shadow_attr */
 116   A_REVERSE,      /* dialog_attr */
 117   A_REVERSE,      /* title_attr */
 118   A_REVERSE,      /* border_attr */
 119   A_BOLD,         /* button_active_attr */
 120   A_DIM,          /* button_inactive_attr */
 121   A_UNDERLINE,    /* button_key_active_attr */
 122   A_UNDERLINE,    /* button_key_inactive_attr */
 123   A_NORMAL,       /* button_label_active_attr */
 124   A_NORMAL,       /* button_label_inactive_attr */
 125   A_REVERSE,      /* inputbox_attr */
 126   A_REVERSE,      /* inputbox_border_attr */
 127   A_REVERSE,      /* searchbox_attr */
 128   A_REVERSE,      /* searchbox_title_attr */
 129   A_REVERSE,      /* searchbox_border_attr */
 130   A_REVERSE,      /* position_indicator_attr */
 131   A_REVERSE,      /* menubox_attr */
 132   A_REVERSE,      /* menubox_border_attr */
 133   A_REVERSE,      /* item_attr */
 134   A_NORMAL,       /* item_selected_attr */
 135   A_REVERSE,      /* tag_attr */
 136   A_REVERSE,      /* tag_selected_attr */
 137   A_NORMAL,       /* tag_key_attr */
 138   A_BOLD,         /* tag_key_selected_attr */
 139   A_REVERSE,      /* check_attr */
 140   A_REVERSE,      /* check_selected_attr */
 141   A_REVERSE,      /* uarrow_attr */
 142   A_REVERSE       /* darrow_attr */
 143 };
 144
 145 #else
 146
 147 #ifdef HAVE_NCURSES
 148 extern bool use_colors;
 149 #endif
 150
 151 #endif    /* __DIALOG_MAIN__ */
 152
 153
 154
 155 #ifdef HAVE_NCURSES
 156
 157 /*
 158  * Function prototypes
 159  */
 160 #ifdef __DIALOG_MAIN__
 161
 162 extern int parse_rc(void);
 163
 164 #endif    /* __DIALOG_MAIN__ */
 165
 166 #endif
 167
 168
 169 #ifdef HAVE_NCURSES
 170 void color_setup(void);
 171 #endif
 172
 173 void attr_clear(WINDOW *win, int height, int width, chtype attr);
 174 void print_autowrap(WINDOW *win, unsigned char *prompt, int height, int width, int maxwidth,
 175                     int y, int x, int center, int rawmode);
 176 void print_button(WINDOW *win, unsigned char *label, int y, int x, int selected);
 177 FILE *raw_popen(const char *program, char * const *argv, const char *type);
 178 int raw_pclose(FILE *iop);
 179 void display_helpfile(void);
 180 void display_helpline(WINDOW *w, int y, int width);
 181 void print_arrows(WINDOW *dialog, int scroll, int menu_height, int item_no, int box_x,
 182                   int box_y, int tag_x, int cur_x, int cur_y);
 183