X-Git-Url: https://git.deb.at/w?a=blobdiff_plain;f=abook_rl.c;fp=abook_rl.c;h=b450d94874e376c022826469c95751c5a4813fcb;hb=c5d8ef5198f2bfd02f678b7a709b6538ef83cd44;hp=0000000000000000000000000000000000000000;hpb=7dca83329bb3ce545d6d03e10754999b9a82ca01;p=pkg%2Fabook.git

diff --git a/abook_rl.c b/abook_rl.c
new file mode 100644
index 0000000..b450d94
--- /dev/null
+++ b/abook_rl.c
@@ -0,0 +1,163 @@
+/*
+ * $Id: abook_rl.c,v 1.11 2004/02/18 19:41:37 jheinonen Exp $
+ *
+ * by JH <jheinonen@users.sourceforge.net>
+ *
+ * Copyright (C) Jaakko Heinonen
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/types.h>
+#include "abook.h"
+#include "abook_rl.h"
+
+#define KEYPAD_HACK 1 /* enable keypad hack */
+#define CBREAK_HACK 1 /* enable cbreak hack */
+
+#ifdef HAVE_CONFIG_H
+#	include "config.h"
+#endif
+
+#if defined(HAVE_READLINE_READLINE_H)
+#       include <readline/readline.h>
+#elif defined(HAVE_READLINE_H)
+#       include <readline.h>
+#endif
+
+#if defined(HAVE_READLINE_HISTORY_H)
+#       include <readline/history.h>
+#elif defined(HAVE_HISTORY_H)
+#       include <history.h>
+#endif
+
+#ifdef HANDLE_MULTIBYTE
+#	include <mbswidth.h>
+#endif
+
+#define RL_READLINE_NAME	"Abook"
+
+static int rl_x, rl_y;
+static WINDOW *rl_win;
+
+static bool rl_cancelled;
+
+static void
+rl_refresh()
+{
+	/*refresh();*/
+	wrefresh(rl_win);
+}
+
+#ifdef HANDLE_MULTIBYTE
+static int
+rline_calc_point()
+{
+	return (int)mbsnwidth(rl_line_buffer, rl_point, 0);
+}
+#endif
+
+static void
+rline_update()
+{	
+#ifdef HANDLE_MULTIBYTE
+	int real_point = rline_calc_point() + rl_x;
+#else
+	int real_point = rl_point + rl_x;
+#endif
+	
+	if(real_point > (COLS - 1))
+		mvwaddnstr(rl_win, rl_y, rl_x,
+			rl_line_buffer + (1 + real_point - COLS),
+			COLS - rl_x - 1);
+	else
+		mvwaddnstr(rl_win, rl_y, rl_x, rl_line_buffer, rl_end);
+
+	wclrtoeol(rl_win);
+	wmove(rl_win, rl_y, min(real_point, COLS - 1));
+
+	rl_refresh();
+}
+
+static void
+rline_compdisp(char **matches, int n, int max_len)
+{
+	/* dummy */
+}
+
+static int
+rl_cancel(int dummy1, int dummy2)
+{
+	rl_cancelled = TRUE;
+
+	rl_done = 1;
+
+	return 0;
+}
+
+static void
+abook_rl_init(bool use_completion)
+{
+	rl_readline_name = RL_READLINE_NAME;
+	
+#if RL_VERSION_MAJOR >= 4
+	rl_already_prompted = 1;
+#endif
+	rl_catch_sigwinch = 0;
+	
+	rl_redisplay_function = rline_update;
+	rl_completion_display_matches_hook = rline_compdisp;
+
+	rl_unbind_function_in_map(rl_clear_screen, rl_get_keymap());
+	rl_unbind_function_in_map(rl_reverse_search_history, rl_get_keymap());
+	rl_unbind_function_in_map(rl_re_read_init_file, rl_get_keymap());
+	
+	if(use_completion) {
+		rl_bind_key('\t', rl_menu_complete);
+	} else {
+		rl_unbind_function_in_map(rl_complete, rl_get_keymap());
+		rl_unbind_function_in_map(rl_menu_complete, rl_get_keymap());
+	}
+
+	rl_bind_key('g' & 31, rl_cancel); /* C-g */
+
+	clear_history();
+
+	rl_cancelled = FALSE;
+}	
+
+char *
+abook_readline(WINDOW *w, int y, int x, char *s, int limit, bool use_completion)
+{
+	char *ret;
+
+	abook_rl_init(use_completion);
+
+	wmove(rl_win = w, rl_y = y, rl_x = x);
+	rl_refresh();
+
+	if(s && *s)
+		add_history(s);
+	
+#ifdef KEYPAD_HACK
+	keypad(w, FALSE);
+#endif
+#ifdef CBREAK_HACK
+	nocbreak();
+#endif
+	ret = readline(NULL);
+#ifdef CBREAK_HACK
+	cbreak();
+#endif
+#ifdef KEYPAD_HACK
+	keypad(w, TRUE);
+#endif
+
+	if(rl_cancelled && ret) {
+		free(ret);
+		ret = NULL;
+	}
+
+	return ret;
+}
+