mirrors/mc
1
0
Fork 0
mirror of https://github.com/MidnightCommander/mc synced 2024-12-23 04:46:55 +03:00
Code Issues Packages Projects Releases Wiki Activity
db26e75242
mc/edit/editkeys.c
Ilia Maslakov 42eba5c18c fix some warnings
2009-04-16 21:28:02 +00:00

361 lines
11 KiB
C
Raw Blame History

/* Editor key translation.
Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
2005, 2006, 2007 Free Software Foundation, Inc.
Authors: 1996, 1997 Paul Sheer
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA.
*/
#include <config.h>
#include <assert.h>
#include <stdio.h>
#include <stdarg.h>
#include <sys/types.h>
#include <unistd.h>
#include <string.h>
#include <ctype.h>
#include <errno.h>
#include <sys/stat.h>
#include <stdlib.h>
#include "../src/global.h"
#include "edit.h"
#include "edit-widget.h" /* edit->macro_i */
#include "editcmddef.h" /* list of commands */
#include "../src/key.h" /* KEY_M_SHIFT */
#include "../src/tty.h" /* keys */
#include "../src/charsets.h" /* convert_from_input_c() */
#include "../src/selcodepage.h" /* do_select_codepage() */
#include "../src/main.h" /* display_codepage */
#include "../src/strutil.h" /* str_isutf8 () */
/*
* Ordinary translations. Note that the keys listed first take priority
* when the key is assigned to more than one command.
*/
static const edit_key_map_type cooledit_key_map[] = {
{ ALT ('b'), CK_Match_Bracket },
{ ALT ('m'), CK_Mail },
{ XCTRL ('f'), CK_Save_Block },
{ XCTRL ('n'), CK_New },
{ XCTRL ('p'), CK_Pipe_Block (1) }, /* spell check */
{ XCTRL ('x'), CK_Word_Right },
{ XCTRL ('y'), CK_Delete_Line },
{ XCTRL ('z'), CK_Word_Left },
{ 0, 0 }
};
static const edit_key_map_type emacs_key_map[] = {
{ ALT ('$'), CK_Pipe_Block (1) }, /* spell check */
{ ALT ('b'), CK_Word_Left },
{ ALT ('f'), CK_Word_Right },
{ ALT ('v'), CK_Page_Up },
{ ALT ('w'), CK_XStore },
{ XCTRL ('@'), CK_Mark },
{ XCTRL ('a'), CK_Home },
{ XCTRL ('b'), CK_Left },
{ XCTRL ('e'), CK_End },
{ XCTRL ('f'), CK_Right },
{ XCTRL ('g'), CK_Ignore_Key },
{ XCTRL ('n'), CK_Down },
{ XCTRL ('p'), CK_Up },
{ XCTRL ('s'), CK_Find },
{ XCTRL ('v'), CK_Page_Down },
{ XCTRL ('w'), CK_XCut },
{ XCTRL ('y'), CK_XPaste },
{ 0, 0 }
};
static const edit_key_map_type common_key_map[] = {
{ '\n', CK_Enter },
{ '\t', CK_Tab },
{ ESC_CHAR, CK_Exit },
{ KEY_BACKSPACE, CK_BackSpace },
{ KEY_DC, CK_Delete },
{ KEY_DOWN, CK_Down },
{ KEY_END, CK_End },
{ KEY_HOME, CK_Home },
{ KEY_IC, CK_Toggle_Insert },
{ KEY_LEFT, CK_Left },
{ KEY_NPAGE, CK_Page_Down },
{ KEY_PPAGE, CK_Page_Up },
{ KEY_RIGHT, CK_Right },
{ KEY_UP, CK_Up },
{ ALT ('\n'), CK_Find_Definition },
{ ALT ('\t'), CK_Complete_Word },
{ ALT ('l'), CK_Goto },
{ ALT ('L'), CK_Goto },
{ ALT ('p'), CK_Paragraph_Format },
{ ALT ('t'), CK_Sort },
{ ALT ('u'), CK_ExtCmd },
{ ALT ('<'), CK_Beginning_Of_Text },
{ ALT ('>'), CK_End_Of_Text },
{ ALT ('-'), CK_Load_Prev_File },
{ ALT ('='), CK_Load_Next_File },
{ ALT (KEY_BACKSPACE), CK_Delete_Word_Left },
{ XCTRL ('k'), CK_Delete_To_Line_End },
{ XCTRL ('l'), CK_Refresh },
{ XCTRL ('o'), CK_Shell },
{ XCTRL ('s'), CK_Toggle_Syntax },
{ XCTRL ('u'), CK_Undo },
{ XCTRL ('t'), CK_Select_Codepage },
{ XCTRL ('q'), CK_Insert_Literal },
{ XCTRL ('a'), CK_Execute_Macro },
{ XCTRL ('r'), CK_Begin_End_Macro },
{ KEY_F (1), CK_Help },
{ KEY_F (2), CK_Save },
{ KEY_F (3), CK_Mark },
{ KEY_F (4), CK_Replace },
{ KEY_F (5), CK_Copy },
{ KEY_F (6), CK_Move },
{ KEY_F (7), CK_Find },
{ KEY_F (8), CK_Remove },
{ KEY_F (10), CK_Exit },
{ KEY_F (11), CK_User_Menu }, /* edit user menu */
{ KEY_F (12), CK_Save_As },
{ KEY_F (13), CK_Column_Mark },
{ KEY_F (14), CK_Replace_Again },
{ KEY_F (15), CK_Insert_File },
{ KEY_F (17), CK_Find_Again },
{ KEY_F (19), CK_Pipe_Block (0) }, /* C formatter */
/* Shift */
{ KEY_M_SHIFT | KEY_PPAGE, CK_Page_Up_Highlight },
{ KEY_M_SHIFT | KEY_NPAGE, CK_Page_Down_Highlight },
{ KEY_M_SHIFT | KEY_LEFT, CK_Left_Highlight },
{ KEY_M_SHIFT | KEY_RIGHT, CK_Right_Highlight },
{ KEY_M_SHIFT | KEY_UP, CK_Up_Highlight },
{ KEY_M_SHIFT | KEY_DOWN, CK_Down_Highlight },
{ KEY_M_SHIFT | KEY_HOME, CK_Home_Highlight },
{ KEY_M_SHIFT | KEY_END, CK_End_Highlight },
{ KEY_M_SHIFT | KEY_IC, CK_XPaste },
{ KEY_M_SHIFT | KEY_DC, CK_XCut },
{ KEY_M_SHIFT | '\n', CK_Return }, /* useful for pasting multiline text */
/* Ctrl */
{ KEY_M_CTRL | (KEY_F (2)), CK_Save_As },
{ KEY_M_CTRL | (KEY_F (4)), CK_Replace_Again },
{ KEY_M_CTRL | (KEY_F (7)), CK_Find_Again },
{ KEY_M_CTRL | KEY_BACKSPACE, CK_Undo },
{ KEY_M_CTRL | KEY_PPAGE, CK_Beginning_Of_Text },
{ KEY_M_CTRL | KEY_NPAGE, CK_End_Of_Text },
{ KEY_M_CTRL | KEY_HOME, CK_Beginning_Of_Text },
{ KEY_M_CTRL | KEY_END, CK_End_Of_Text },
{ KEY_M_CTRL | KEY_UP, CK_Scroll_Up },
{ KEY_M_CTRL | KEY_DOWN, CK_Scroll_Down },
{ KEY_M_CTRL | KEY_LEFT, CK_Word_Left },
{ KEY_M_CTRL | KEY_RIGHT, CK_Word_Right },
{ KEY_M_CTRL | KEY_IC, CK_XStore },
{ KEY_M_CTRL | KEY_DC, CK_Remove },
/* Ctrl + Shift */
{ KEY_M_SHIFT | KEY_M_CTRL | KEY_PPAGE, CK_Beginning_Of_Text_Highlight },
{ KEY_M_SHIFT | KEY_M_CTRL | KEY_NPAGE, CK_End_Of_Text_Highlight },
{ KEY_M_SHIFT | KEY_M_CTRL | KEY_LEFT, CK_Word_Left_Highlight },
{ KEY_M_SHIFT | KEY_M_CTRL | KEY_RIGHT, CK_Word_Right_Highlight },
{ KEY_M_SHIFT | KEY_M_CTRL | KEY_UP, CK_Scroll_Up_Highlight },
{ KEY_M_SHIFT | KEY_M_CTRL | KEY_DOWN, CK_Scroll_Down_Highlight },
{ 0, 0 }
};
/*
* Translate the keycode into either 'command' or 'char_for_insertion'.
* 'command' is one of the editor commands from editcmddef.h.
*/
int
edit_translate_key (WEdit *edit, long x_key, int *cmd, int *ch)
{
int command = CK_Insert_Char;
int char_for_insertion = -1;
int i = 0;
int extmod = 0;
int c;
const edit_key_map_type *key_map = NULL;
switch (edit_key_emulation) {
case EDIT_KEY_EMULATION_NORMAL:
key_map = cooledit_key_map;
break;
case EDIT_KEY_EMULATION_EMACS:
key_map = emacs_key_map;
if (x_key == XCTRL ('x')) {
int ext_key;
ext_key =
edit_raw_key_query (" Ctrl-X ", _(" Emacs key: "), 0);
switch (ext_key) {
case 's':
command = CK_Save;
goto fin;
case 'x':
command = CK_Exit;
goto fin;
case 'k':
command = CK_New;
goto fin;
case 'e':
command =
CK_Macro (edit_raw_key_query
(_(" Execute Macro "),
_(" Press macro hotkey: "), 1));
if (command == CK_Macro (0))
command = CK_Insert_Char;
goto fin;
}
goto fin;
}
break;
case EDIT_KEY_EMULATION_USER:
if (edit->user_map != NULL) {
if (edit->extmod && edit->ext_map != NULL) {
key_map = edit->ext_map;
extmod = 1;
} else {
key_map = edit->user_map;
}
edit->extmod = 0;
} else {
key_map = edit->user_map = cooledit_key_map;
}
break;
}
assert (key_map != NULL);
/* an ordinary insertable character */
if (x_key < 256 && !extmod) {
if ( edit->charpoint >= 4 ) {
edit->charpoint = 0;
edit->charbuf[edit->charpoint] = '\0';
}
if ( edit->charpoint < 4 ) {
edit->charbuf[edit->charpoint++] = x_key;
edit->charbuf[edit->charpoint] = '\0';
}
if (!edit->utf8) {
/* input from 8-bit locale */
if ( utf8_display ) {
c = convert_from_input_c (x_key);
if (is_printable (c)) {
char_for_insertion = c;
goto fin;
}
} else {
edit->charbuf[edit->charpoint + 1] = '\0';
int res = str_is_valid_char (edit->charbuf, edit->charpoint);
if (res < 0) {
if (res != -2) {
edit->charpoint = 0; /* broken multibyte char, skip */
goto fin;
}
/* not finised multibyte input (in meddle multibyte utf-8 char) */
goto fin;
} else {
if ( g_unichar_isprint (g_utf8_get_char(edit->charbuf)) ) {
c = convert_from_utf_to_current ( edit->charbuf );
edit->charbuf[0] = '\0';
edit->charpoint = 0;
if (is_printable (c)) {
char_for_insertion = c;
goto fin;
}
}
/* unprinteble utf input, skip it */
edit->charbuf[0] = '\0';
edit->charpoint = 0;
goto fin;
}
}
} else {
int res = str_is_valid_char (edit->charbuf, edit->charpoint);
if (res < 0) {
if (res != -2) {
edit->charpoint = 0; /* broken multibyte char, skip */
goto fin;
}
char_for_insertion = x_key;
goto fin;
} else {
edit->charbuf[edit->charpoint]='\0';
edit->charpoint = 0;
if ( g_unichar_isprint (g_utf8_get_char(edit->charbuf))) {
mc_log("input:%s \n", edit->charbuf);
char_for_insertion = x_key;
goto fin;
}
}
//char_for_insertion = x_key;
//goto fin;
}
}
/* Commands specific to the key emulation */
for (i = 0; key_map[i].key != 0 && key_map[i].key != x_key; i++)
continue;
if (key_map[i].key != 0) {
command = key_map[i].command;
goto fin;
}
/* Commands common for the key emulations */
key_map = common_key_map;
for (i = 0; key_map[i].key != 0 && key_map[i].key != x_key; i++)
continue;
if (key_map[i].key != 0) {
command = key_map[i].command;
goto fin;
}
/* Function still not found for this key, so try macros */
/* This allows the same macro to be
enabled by either eg "ALT('f')" or "XCTRL('f')" or "XCTRL('a'), 'f'" */
if (x_key & ALT (0)) { /* is an alt key ? */
command = CK_Macro (x_key - ALT (0));
goto fin;
}
if (x_key < ' ') { /* is a ctrl key ? */
command = CK_Macro (x_key);
goto fin;
}
fin:
*cmd = command;
*ch = char_for_insertion;
if (command == CK_Insert_Char && char_for_insertion == -1) {
/* unchanged, key has no function here */
return 0;
}
return 1;
}
Reference in New Issue View Git Blame Copy Permalink