static cb_ret_t
view_handle_key (WDiff *view, int c)
{
struct display_file *lf = &view->df[view->ord];
struct display_file *rf = &view->df[view->ord ^ 1];
c = convert_from_input_c(c);
switch (c) {
case 'l':
view->display_numbers ^= 1;
view->new_frame = 1;
return MSG_HANDLED;
case 'f':
view->full ^= 1;
view->new_frame = 1;
return MSG_HANDLED;
case '=': /* XXX testing only */
if (!view->full) {
view->bias = 0;
view->new_frame = 1;
}
return MSG_HANDLED;
case '>': /* XXX testing only */
if (!view->full) {
view_compute_split(view, 1);
view->new_frame = 1;
}
return MSG_HANDLED;
case '<': /* XXX testing only */
if (!view->full) {
view_compute_split(view, -1);
view->new_frame = 1;
}
return MSG_HANDLED;
case '+':
if (view->subtract) {
view->subtract--;
view->new_frame = 1;
}
return MSG_HANDLED;
case '-':
view->subtract++;
view->new_frame = 1;
return MSG_HANDLED;
case '1':
lf->move = 1;
rf->move ^= 1;
return MSG_HANDLED;
case '2':
lf->move ^= 1;
rf->move = 1;
return MSG_HANDLED;
case XCTRL('u'): {
view->ord ^= 1;
return MSG_HANDLED;
}
case XCTRL('r'):
view_redo(view);
return MSG_HANDLED;
case 'n':
find_next_hunk(view);
return MSG_HANDLED;
case 'p':
find_prev_hunk(view);
return MSG_HANDLED;
case KEY_DC:
view->last_found = -1;
return MSG_HANDLED;
case KEY_F(4):
view_edit(view, view->ord);
return MSG_HANDLED;
case KEY_F(14):
view_edit(view, view->ord ^ 1);
return MSG_HANDLED;
case KEY_F(17):
view_search(view, 1);
return MSG_HANDLED;
case KEY_HOME:
case ALT ('<'):
case KEY_M_CTRL | KEY_PPAGE:
view->last_found = -1;
if (lf->move) lf->offs = 0;
if (rf->move) rf->offs = 0;
return MSG_HANDLED;
case KEY_END:
case ALT ('>'):
case KEY_M_CTRL | KEY_NPAGE:
view->last_found = -1;
if (lf->move) lf->offs = view->max - 1;
if (rf->move) rf->offs = view->max - 1;
return MSG_HANDLED;
case KEY_UP:
if (lf->move) lf->offs -= view->nbytes;
if (rf->move) rf->offs -= view->nbytes;
return MSG_HANDLED;
case KEY_DOWN:
if (lf->move) lf->offs += view->nbytes;
if (rf->move) rf->offs += view->nbytes;
return MSG_HANDLED;
case KEY_NPAGE:
if (lf->move) lf->offs += view->pbytes;
if (rf->move) rf->offs += view->pbytes;
return MSG_HANDLED;
case KEY_PPAGE:
if (lf->move) lf->offs -= view->pbytes;
if (rf->move) rf->offs -= view->pbytes;
return MSG_HANDLED;
case KEY_LEFT:
if (lf->move) lf->offs--;
if (rf->move) rf->offs--;
return MSG_HANDLED;
case KEY_RIGHT:
if (lf->move) lf->offs++;
if (rf->move) rf->offs++;
return MSG_HANDLED;
case KEY_M_CTRL | KEY_LEFT:
if (lf->move) lf->offs -= 16;
if (rf->move) rf->offs -= 16;
return MSG_HANDLED;
case KEY_M_CTRL | KEY_RIGHT:
if (lf->move) lf->offs += 16;
if (rf->move) rf->offs += 16;
return MSG_HANDLED;
case XCTRL('o'):
view_other_cmd();
return MSG_HANDLED;
case 't':
diff_view(view->file[0], view->file[1]);
return MSG_HANDLED;
case 'q':
case ESC_CHAR:
view->view_quit = 1;
return MSG_HANDLED;
case '\n':
return MSG_HANDLED;
#ifdef HAVE_CHARSET
case XCTRL ('t'):
do_select_codepage ();
view_update (view);
return MSG_HANDLED;
#endif /* HAVE_CHARSET */
}
/* Key not used */
return MSG_NOT_HANDLED;
}
static gboolean
edit_translate_key (WEdit * edit, long x_key, int *cmd, int *ch)
{
long command = CK_InsertChar;
int char_for_insertion = -1;
/* an ordinary insertable character */
if (!edit->extmod && x_key < 256)
{
#ifndef HAVE_CHARSET
if (is_printable (x_key))
{
char_for_insertion = x_key;
goto fin;
}
#else
int c;
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';
}
/* input from 8-bit locale */
if (!mc_global.utf8_display)
{
/* source in 8-bit codeset */
c = convert_from_input_c (x_key);
if (is_printable (c))
{
if (!edit->utf8)
char_for_insertion = c;
else
char_for_insertion = convert_from_8bit_to_utf_c2 ((char) x_key);
goto fin;
}
}
else
{
/* UTF-8 locale */
int res;
res = str_is_valid_char (edit->charbuf, edit->charpoint);
if (res < 0 && res != -2)
{
edit->charpoint = 0; /* broken multibyte char, skip */
goto fin;
}
if (edit->utf8)
{
/* source in UTF-8 codeset */
if (res < 0)
{
char_for_insertion = x_key;
goto fin;
}
edit->charbuf[edit->charpoint] = '\0';
edit->charpoint = 0;
if (g_unichar_isprint (g_utf8_get_char (edit->charbuf)))
{
char_for_insertion = x_key;
goto fin;
}
}
else
{
/* 8-bit source */
if (res < 0)
{
/* not finised multibyte input (in meddle multibyte utf-8 char) */
goto fin;
}
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;
char_for_insertion = c;
goto fin;
}
/* unprinteble utf input, skip it */
edit->charbuf[0] = '\0';
edit->charpoint = 0;
}
}
#endif /* HAVE_CHARSET */
}
/* Commands specific to the key emulation */
if (edit->extmod)
{
edit->extmod = FALSE;
command = keybind_lookup_keymap_command (editor_x_map, x_key);
}
else
command = keybind_lookup_keymap_command (editor_map, x_key);
if (command == CK_IgnoreKey)
command = CK_InsertChar;
fin:
*cmd = (int) command; /* FIXME */
*ch = char_for_insertion;
return !(command == CK_InsertChar && char_for_insertion == -1);
}
/*
* 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;
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) {
int c = convert_from_input_c (x_key);
if (is_printable (c)) {
char_for_insertion = c;
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;
}
