mc/edit/choosesyntax.c

107 lines
3.2 KiB
C

/* User interface for syntax selection.
Copyright (C) 2005, 2006 Leonard den Ottolander <leonard den ottolander nl>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License version 2 as
published by the Free Software Foundation.
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 "edit.h"
#include "../src/global.h"
#include "../src/wtools.h"
#define MAX_ENTRY_LEN 40
#define LIST_LINES 14
#define N_DFLT_ENTRIES 2
int pstrcmp(const void *p1, const void *p2)
{
return strcmp(*(char**)p1, *(char**)p2);
}
static int
exec_edit_syntax_dialog (const char **names) {
int i;
Listbox *syntaxlist = create_listbox_window (MAX_ENTRY_LEN, LIST_LINES,
_(" Choose syntax highlighting "), NULL);
LISTBOX_APPEND_TEXT (syntaxlist, 'A', _("< Auto >"), NULL);
LISTBOX_APPEND_TEXT (syntaxlist, 'R', _("< Reload Current Syntax >"), NULL);
for (i = 0; names[i]; i++) {
LISTBOX_APPEND_TEXT (syntaxlist, 0, names[i], NULL);
if (! option_auto_syntax && option_syntax_type &&
(strcmp (names[i], option_syntax_type) == 0))
listbox_select_by_number (syntaxlist->list, i + N_DFLT_ENTRIES);
}
return run_listbox (syntaxlist);
}
void
edit_syntax_dialog (void) {
char *old_syntax_type;
int old_auto_syntax, syntax;
char **names;
int i;
int force_reload = 0;
int count = 0;
names = (char**) g_malloc (sizeof (char*));
names[0] = NULL;
/* We fill the list of syntax files every time the editor is invoked.
Instead we could save the list to a file and update it once the syntax
file gets updated (either by testing or by explicit user command). */
edit_load_syntax (NULL, &names, NULL);
while (names[count++] != NULL);
qsort(names, count - 1, sizeof(char*), pstrcmp);
if ((syntax = exec_edit_syntax_dialog ((const char**) names)) < 0) {
for (i = 0; names[i]; i++) {
g_free (names[i]);
}
g_free (names);
return;
}
old_auto_syntax = option_auto_syntax;
old_syntax_type = g_strdup (option_syntax_type);
switch (syntax) {
case 0: /* auto syntax */
option_auto_syntax = 1;
break;
case 1: /* reload current syntax */
force_reload = 1;
break;
default:
option_auto_syntax = 0;
g_free (option_syntax_type);
option_syntax_type = g_strdup (names[syntax - N_DFLT_ENTRIES]);
}
/* Load or unload syntax rules if the option has changed */
if ((option_auto_syntax && !old_auto_syntax) || old_auto_syntax ||
(old_syntax_type && option_syntax_type &&
(strcmp (old_syntax_type, option_syntax_type) != 0)) ||
force_reload)
edit_load_syntax (wedit, NULL, option_syntax_type);
for (i = 0; names[i]; i++) {
g_free (names[i]);
}
g_free (names);
g_free (old_syntax_type);
}