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Added alt-backspace support

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This commit is contained in:
James Booth 2013-03-03 02:23:16 +00:00
parent 35f905e304
commit dd32044bd5
1 changed files with 66 additions and 1 deletions
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67
src/ui/inputwin.c
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@ -516,6 +516,9 @@ _handle_edit(int result, const wint_t ch, char *input, int *size)
static int
_handle_alt_key(char *input, int *size, int key)
{
int end_del = getcurx(inp_win);
int start_del = end_del;
switch (key)
{
case '1':
@ -549,7 +552,69 @@ _handle_alt_key(char *input, int *size, int key)
ui_switch_win(9);
break;
case 127:
cons_debug("PRESSED ALT BACKSPACE");
input[*size] = '\0';
gchar *curr_ch = g_utf8_offset_to_pointer(input, end_del);
curr_ch = g_utf8_find_prev_char(input, curr_ch);
gchar *prev_ch;
gunichar curr_uni;
gunichar prev_uni;
while (curr_ch != NULL) {
curr_uni = g_utf8_get_char(curr_ch);
if (g_unichar_isspace(curr_uni)) {
curr_ch = g_utf8_find_prev_char(input, curr_ch);
} else {
prev_ch = g_utf8_find_prev_char(input, curr_ch);
if (prev_ch == NULL) {
curr_ch = NULL;
break;
} else {
prev_uni = g_utf8_get_char(prev_ch);
if (g_unichar_isspace(prev_uni)) {
break;
} else {
curr_ch = prev_ch;
}
}
}
}
if (curr_ch == NULL) {
start_del = 0;
} else {
start_del = g_utf8_pointer_to_offset(input, curr_ch);
}
gint len = g_utf8_strlen(input, -1);
gchar *start_string = g_utf8_substring(input, 0, start_del);
gchar *end_string = g_utf8_substring(input, end_del, len);
int i;
for (i = 0; i < strlen(start_string); i++) {
input[i] = start_string[i];
}
for (i = 0; i < strlen(end_string); i++) {
input[strlen(start_string)+i] = end_string[i];
}
*size = strlen(start_string)+i;
input[*size] = '\0';
_clear_input();
waddstr(inp_win, input);
wmove(inp_win, 0, start_del);
// if gone off screen to left, jump left (half a screen worth)
if (start_del <= pad_start) {
pad_start = pad_start - (cols / 2);
if (pad_start < 0) {
pad_start = 0;
}
_inp_win_refresh();
}
return 1;
break;
default: