1 /* Specific command window processing. 2 3 Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007, 2008, 4 2009 Free Software Foundation, Inc. 5 6 Contributed by Hewlett-Packard Company. 7 8 This file is part of GDB. 9 10 This program is free software; you can redistribute it and/or modify 11 it under the terms of the GNU General Public License as published by 12 the Free Software Foundation; either version 3 of the License, or 13 (at your option) any later version. 14 15 This program is distributed in the hope that it will be useful, 16 but WITHOUT ANY WARRANTY; without even the implied warranty of 17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 GNU General Public License for more details. 19 20 You should have received a copy of the GNU General Public License 21 along with this program. If not, see <http://www.gnu.org/licenses/>. */ 22 23 #include "defs.h" 24 #include <ctype.h> 25 #include "tui/tui.h" 26 #include "tui/tui-data.h" 27 #include "tui/tui-win.h" 28 #include "tui/tui-io.h" 29 #include "tui/tui-command.h" 30 31 #include "gdb_curses.h" 32 #include "gdb_string.h" 33 34 35 /***************************************** 36 ** STATIC LOCAL FUNCTIONS FORWARD DECLS ** 37 ******************************************/ 38 39 40 41 /***************************************** 42 ** PUBLIC FUNCTIONS ** 43 ******************************************/ 44 45 /* Dispatch the correct tui function based upon the control 46 character. */ 47 unsigned int 48 tui_dispatch_ctrl_char (unsigned int ch) 49 { 50 struct tui_win_info *win_info = tui_win_with_focus (); 51 52 /* Handle the CTRL-L refresh for each window. */ 53 if (ch == '\f') 54 tui_refresh_all_win (); 55 56 /* If the command window has the logical focus, or no-one does 57 assume it is the command window; in this case, pass the character 58 on through and do nothing here. */ 59 if (win_info == NULL || win_info == TUI_CMD_WIN) 60 return ch; 61 else 62 { 63 unsigned int c = 0, ch_copy = ch; 64 int i; 65 char *term; 66 67 /* If this is an xterm, page next/prev keys aren't returned by 68 keypad as a single char, so we must handle them here. Seems 69 like a bug in the curses library? */ 70 term = (char *) getenv ("TERM"); 71 if (term) 72 { 73 for (i = 0; term[i]; i++) 74 term[i] = toupper (term[i]); 75 if ((strcmp (term, "XTERM") == 0) 76 && key_is_start_sequence (ch)) 77 { 78 unsigned int page_ch = 0; 79 unsigned int tmp_char; 80 WINDOW *w = TUI_CMD_WIN->generic.handle; 81 82 tmp_char = 0; 83 while (!key_is_end_sequence (tmp_char)) 84 { 85 tmp_char = (int) wgetch (w); 86 if (tmp_char == ERR) 87 { 88 return ch; 89 } 90 if (!tmp_char) 91 break; 92 if (tmp_char == 53) 93 page_ch = KEY_PPAGE; 94 else if (tmp_char == 54) 95 page_ch = KEY_NPAGE; 96 else 97 { 98 return 0; 99 } 100 } 101 ch_copy = page_ch; 102 } 103 } 104 105 switch (ch_copy) 106 { 107 case KEY_NPAGE: 108 tui_scroll_forward (win_info, 0); 109 break; 110 case KEY_PPAGE: 111 tui_scroll_backward (win_info, 0); 112 break; 113 case KEY_DOWN: 114 case KEY_SF: 115 tui_scroll_forward (win_info, 1); 116 break; 117 case KEY_UP: 118 case KEY_SR: 119 tui_scroll_backward (win_info, 1); 120 break; 121 case KEY_RIGHT: 122 tui_scroll_left (win_info, 1); 123 break; 124 case KEY_LEFT: 125 tui_scroll_right (win_info, 1); 126 break; 127 case '\f': 128 break; 129 default: 130 c = ch_copy; 131 break; 132 } 133 return c; 134 } 135 } 136