scripts/config/lxdialog/dialog.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 #include <sys/types.h>
  22 #include <fcntl.h>
  23 #include <unistd.h>
  24 #include <ctype.h>
  25 #include <stdlib.h>
  26 #include <string.h>
  27
  28 #ifdef __sun__
  29 #define CURS_MACROS
  30 #endif
  31 #include CURSES_LOC
  32
  33 /*
  34  * Colors in ncurses 1.9.9e do not work properly since foreground and
  35  * background colors are OR'd rather than separately masked.  This version
  36  * of dialog was hacked to work with ncurses 1.9.9e, making it incompatible
  37  * with standard curses.  The simplest fix (to make this work with standard
  38  * curses) uses the wbkgdset() function, not used in the original hack.
  39  * Turn it off if we're building with 1.9.9e, since it just confuses things.
  40  */
  41 #if defined(NCURSES_VERSION) && defined(_NEED_WRAP) && !defined(GCC_PRINTFLIKE)
  42 #define OLD_NCURSES 1
  43 #undef  wbkgdset
  44 #define wbkgdset(w,p)           /*nothing */
  45 #else
  46 #define OLD_NCURSES 0
  47 #endif
  48
  49 #define TR(params) _tracef params
  50
  51 #define ESC 27
  52 #define TAB 9
  53 #define MAX_LEN 2048
  54 #define BUF_SIZE (10*1024)
  55 #define MIN(x,y) (x < y ? x : y)
  56 #define MAX(x,y) (x > y ? x : y)
  57
  58 #ifndef ACS_ULCORNER
  59 #define ACS_ULCORNER '+'
  60 #endif
  61 #ifndef ACS_LLCORNER
  62 #define ACS_LLCORNER '+'
  63 #endif
  64 #ifndef ACS_URCORNER
  65 #define ACS_URCORNER '+'
  66 #endif
  67 #ifndef ACS_LRCORNER
  68 #define ACS_LRCORNER '+'
  69 #endif
  70 #ifndef ACS_HLINE
  71 #define ACS_HLINE '-'
  72 #endif
  73 #ifndef ACS_VLINE
  74 #define ACS_VLINE '|'
  75 #endif
  76 #ifndef ACS_LTEE
  77 #define ACS_LTEE '+'
  78 #endif
  79 #ifndef ACS_RTEE
  80 #define ACS_RTEE '+'
  81 #endif
  82 #ifndef ACS_UARROW
  83 #define ACS_UARROW '^'
  84 #endif
  85 #ifndef ACS_DARROW
  86 #define ACS_DARROW 'v'
  87 #endif
  88
  89 /*
  90  * Attribute names
  91  */
  92 #define screen_attr                   attributes[0]
  93 #define shadow_attr                   attributes[1]
  94 #define dialog_attr                   attributes[2]
  95 #define title_attr                    attributes[3]
  96 #define border_attr                   attributes[4]
  97 #define button_active_attr            attributes[5]
  98 #define button_inactive_attr          attributes[6]
  99 #define button_key_active_attr        attributes[7]
 100 #define button_key_inactive_attr      attributes[8]
 101 #define button_label_active_attr      attributes[9]
 102 #define button_label_inactive_attr    attributes[10]
 103 #define inputbox_attr                 attributes[11]
 104 #define inputbox_border_attr          attributes[12]
 105 #define searchbox_attr                attributes[13]
 106 #define searchbox_title_attr          attributes[14]
 107 #define searchbox_border_attr         attributes[15]
 108 #define position_indicator_attr       attributes[16]
 109 #define menubox_attr                  attributes[17]
 110 #define menubox_border_attr           attributes[18]
 111 #define item_attr                     attributes[19]
 112 #define item_selected_attr            attributes[20]
 113 #define tag_attr                      attributes[21]
 114 #define tag_selected_attr             attributes[22]
 115 #define tag_key_attr                  attributes[23]
 116 #define tag_key_selected_attr         attributes[24]
 117 #define check_attr                    attributes[25]
 118 #define check_selected_attr           attributes[26]
 119 #define uarrow_attr                   attributes[27]
 120 #define darrow_attr                   attributes[28]
 121
 122 /* number of attributes */
 123 #define ATTRIBUTE_COUNT               29
 124
 125 /*
 126  * Global variables
 127  */
 128 extern bool use_colors;
 129 extern bool use_shadow;
 130
 131 extern chtype attributes[];
 132
 133 extern const char *backtitle;
 134
 135 /*
 136  * Function prototypes
 137  */
 138 extern void create_rc(const char *filename);
 139 extern int parse_rc(void);
 140
 141 void init_dialog(void);
 142 void end_dialog(void);
 143 void attr_clear(WINDOW * win, int height, int width, chtype attr);
 144 void dialog_clear(void);
 145 void color_setup(void);
 146 void print_autowrap(WINDOW * win, const char *prompt, int width, int y, int x);
 147 void print_button(WINDOW * win, const char *label, int y, int x, int selected);
 148 void print_title(WINDOW *dialog, const char *title, int width);
 149 void draw_box(WINDOW * win, int y, int x, int height, int width, chtype box,
 150               chtype border);
 151 void draw_shadow(WINDOW * win, int y, int x, int height, int width);
 152
 153 int first_alpha(const char *string, const char *exempt);
 154 int dialog_yesno(const char *title, const char *prompt, int height, int width);
 155 int dialog_msgbox(const char *title, const char *prompt, int height,
 156                   int width, int pause);
 157 int dialog_textbox(const char *title, const char *file, int height, int width);
 158 int dialog_menu(const char *title, const char *prompt, int height, int width,
 159                 int menu_height, const char *choice, int item_no,
 160                 const char *const *items);
 161 int dialog_checklist(const char *title, const char *prompt, int height,
 162                      int width, int list_height, int item_no,
 163                      const char *const *items);
 164 extern char dialog_input_result[];
 165 int dialog_inputbox(const char *title, const char *prompt, int height,
 166                     int width, const char *init);
 167
 168 /*
 169  * This is the base for fictitious keys, which activate
 170  * the buttons.
 171  *
 172  * Mouse-generated keys are the following:
 173  *   -- the first 32 are used as numbers, in addition to '0'-'9'
 174  *   -- the lowercase are used to signal mouse-enter events (M_EVENT + 'o')
 175  *   -- uppercase chars are used to invoke the button (M_EVENT + 'O')
 176  */
 177 #define M_EVENT (KEY_MAX+1)