src/win.c

   1 /* Curses utilities
   2    Copyright (C) 1995 Miguel de Icaza, Janne Kukonlehto
   3
   4    This program is free software; you can redistribute it and/or modify
   5    it under the terms of the GNU General Public License as published by
   6    the Free Software Foundation; either version 2 of the License, or
   7    (at your option) any later version.
   8
   9    This program is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12    GNU General Public License for more details.
  13
  14    You should have received a copy of the GNU General Public License
  15    along with this program; if not, write to the Free Software
  16    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
  17
  18 #include <config.h>
  19 #include <stdio.h>
  20 #include <string.h>
  21 #ifdef HAVE_TERMIOS_H
  22 #    include <termios.h>
  23 #endif
  24
  25 #include "global.h"
  26 #include "tty.h"
  27 #include "color.h"
  28 #include "mouse.h"
  29 #include "dlg.h"
  30 #include "widget.h"
  31 #include "win.h"
  32 #include "key.h"                /* XCTRL and ALT macros  */
  33 #include "layout.h"
  34
  35 /* "$Id$" */
  36
  37 typedef void (*fnptr)(void);
  38
  39 typedef struct Fkey_Table_List {
  40     fnptr  actions[11];
  41     struct Fkey_Table_List *next;
  42     int    has_labels;
  43 } Fkey_Table_List;
  44
  45 static Fkey_Table_List *fkey_table_list = NULL;
  46
  47 /* Return values: 0 = not a fkey, other = was a fkey */
  48 int check_fkeys (int c)
  49 {
  50     int fkey;
  51
  52     if (!fkey_table_list)
  53         return 0;
  54
  55     switch (c){
  56     case KEY_F(1):
  57         fkey = 1;
  58         break;
  59     case KEY_F(2):
  60         fkey = 2;
  61         break;
  62     case KEY_F(3):
  63         fkey = 3;
  64         break;
  65     case KEY_F(4):
  66         fkey = 4;
  67         break;
  68     case KEY_F(5):
  69         fkey = 5;
  70         break;
  71     case KEY_F(6):
  72         fkey = 6;
  73         break;
  74     case KEY_F(7):
  75         fkey = 7;
  76         break;
  77     case KEY_F(8):
  78         fkey = 8;
  79         break;
  80     case KEY_F(9):
  81         fkey = 9;
  82         break;
  83     case KEY_F(10):
  84         fkey = 10;
  85         break;
  86     default:
  87         return 0;
  88     }
  89     if (fkey_table_list->actions [fkey]){
  90         fkey_table_list->actions [fkey] ();
  91         return fkey;
  92     }
  93     else
  94         return 0;
  95 }
  96
  97 /* Return values: 0 = not a movement key, 1 = was a movement key */
  98 int check_movement_keys (int c, int additional, int page_size, void *data,
  99                          movefn backfn, movefn forfn, movefn topfn,
 100                          movefn bottomfn)
 101 {
 102     switch (c){
 103     case KEY_UP:
 104     case XCTRL ('p'):
 105         (*backfn)(data, 1);
 106         return 1;
 107
 108     case KEY_DOWN:
 109     case XCTRL ('n'):
 110         (*forfn)(data, 1);
 111         return 1;
 112
 113     case KEY_PPAGE:
 114     case ALT('v'):
 115         (*backfn)(data, page_size-1);
 116         return 1;
 117
 118     case KEY_NPAGE:
 119     case XCTRL('v'):
 120         (*forfn)(data, page_size-1);
 121         return 1;
 122
 123     case KEY_HOME:
 124     case KEY_A1:
 125         (*topfn)(data, 0);
 126         return 1;
 127     case KEY_END:
 128     case KEY_C1:
 129         (*bottomfn)(data, 0);
 130         return 1;
 131     }
 132     if (additional)
 133         switch (c){
 134         case 'b':
 135         case XCTRL('h'):
 136         case KEY_BACKSPACE:
 137         case 0177:
 138             (*backfn)(data, page_size-1);
 139             return 1;
 140         case ' ':
 141             (*forfn)(data, page_size-1);
 142             return 1;
 143         case 'u':
 144             (*backfn)(data, page_size / 2);
 145             return 1;
 146         case 'd':
 147             (*forfn)(data, page_size / 2);
 148             return 1;
 149         case 'g':
 150             (*topfn)(data, 0);
 151             return 1;
 152         case 'G':
 153             (*bottomfn)(data, 0);
 154             return 1;
 155         }
 156     return 0;
 157 }
 158
 159 /* Classification routines */
 160 int is_abort_char (int c)
 161 {
 162     return (c == XCTRL('c') || c == XCTRL('g') || c == ESC_CHAR ||
 163             c == KEY_F(10));
 164 }
 165
 166 void mc_raw_mode (void)
 167 {
 168     raw ();
 169 }
 170
 171 void mc_noraw_mode (void)
 172 {
 173     noraw ();
 174 }
 175
 176 int is_quit_char (int c)
 177 {
 178     return (c == XCTRL('g') || (c == ESC_CHAR) || (c == KEY_F(10)));
 179 }
 180
 181 /* This table is a mapping between names and the constants we use
 182  * We use this to allow users to define alternate definitions for
 183  * certain keys that may be missing from the terminal database
 184  */
 185 key_code_name_t key_name_conv_tab [] = {
 186 /* KEY_F(0) is not here, since we are mapping it to f10, so there is no reason
 187    to define f0 as well. Also, it makes Learn keys a bunch of problems :( */
 188     { KEY_F(1),      "f1",         N_("Function key 1") },
 189     { KEY_F(2),      "f2",         N_("Function key 2") },
 190     { KEY_F(3),      "f3",         N_("Function key 3") },
 191     { KEY_F(4),      "f4",         N_("Function key 4") },
 192     { KEY_F(5),      "f5",         N_("Function key 5") },
 193     { KEY_F(6),      "f6",         N_("Function key 6") },
 194     { KEY_F(7),      "f7",         N_("Function key 7") },
 195     { KEY_F(8),      "f8",         N_("Function key 8") },
 196     { KEY_F(9),      "f9",         N_("Function key 9") },
 197     { KEY_F(10),     "f10",        N_("Function key 10") },
 198     { KEY_F(11),     "f11",        N_("Function key 11") },
 199     { KEY_F(12),     "f12",        N_("Function key 12") },
 200     { KEY_F(13),     "f13",        N_("Function key 13") },
 201     { KEY_F(14),     "f14",        N_("Function key 14") },
 202     { KEY_F(15),     "f15",        N_("Function key 15") },
 203     { KEY_F(16),     "f16",        N_("Function key 16") },
 204     { KEY_F(17),     "f17",        N_("Function key 17") },
 205     { KEY_F(18),     "f18",        N_("Function key 18") },
 206     { KEY_F(19),     "f19",        N_("Function key 19") },
 207     { KEY_F(20),     "f20",        N_("Function key 20") },
 208     { KEY_BACKSPACE, "bs",         N_("Backspace key") },
 209     { KEY_END,       "end",        N_("End key") },
 210     { KEY_UP,        "up",         N_("Up arrow key") },
 211     { KEY_DOWN,      "down",       N_("Down arrow key") },
 212     { KEY_LEFT,      "left",       N_("Left arrow key") },
 213     { KEY_RIGHT,     "right",      N_("Right arrow key") },
 214     { KEY_HOME,      "home",       N_("Home key") },
 215     { KEY_NPAGE,     "pgdn",       N_("Page Down key") },
 216     { KEY_PPAGE,     "pgup",       N_("Page Up key") },
 217     { KEY_IC,        "insert",     N_("Insert key") },
 218     { KEY_DC,        "delete",     N_("Delete key") },
 219     { ALT('\t'),     "complete",   N_("Completion/M-tab") },
 220     { KEY_KP_ADD,    "kpplus",     N_("+ on keypad") },
 221     { KEY_KP_SUBTRACT,"kpminus",   N_("- on keypad") },
 222     { KEY_KP_MULTIPLY,"kpasterix", N_("* on keypad") },
 223 /* From here on, these won't be shown in Learn keys (no space) */
 224     { KEY_LEFT,      "kpleft",     N_("Left arrow keypad") },
 225     { KEY_RIGHT,     "kpright",    N_("Right arrow keypad") },
 226     { KEY_UP,        "kpup",       N_("Up arrow keypad") },
 227     { KEY_DOWN,      "kpdown",     N_("Down arrow keypad") },
 228     { KEY_HOME,      "kphome",     N_("Home on keypad") },
 229     { KEY_END,       "kpend",      N_("End on keypad") },
 230     { KEY_NPAGE,     "kpnpage",    N_("Page Down keypad") },
 231     { KEY_PPAGE,     "kpppage",    N_("Page Up keypad") },
 232     { KEY_IC,        "kpinsert",   N_("Insert on keypad") },
 233     { KEY_DC,        "kpdelete",   N_("Delete on keypad") },
 234     { (int) '\n',    "kpenter",    N_("Enter on keypad") },
 235     { (int) '/',     "kpslash",    N_("Slash on keypad") },
 236     { (int) '#',     "kpnumlock",  N_("NumLock on keypad") },
 237     { 0, 0, 0 }
 238     };
 239
 240 /* Return the code associated with the symbolic name keyname */
 241 int lookup_key (char *keyname)
 242 {
 243     int i;
 244
 245     for (i = 0; key_name_conv_tab [i].code; i++){
 246         if ( g_strcasecmp (key_name_conv_tab [i].name, keyname))
 247             continue;
 248         return key_name_conv_tab [i].code;
 249     }
 250     return 0;
 251 }
 252