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ef6b0a1ad9
Ctrl-K = erase the rest of the line (patches by Tommi Komulainen) git-svn-id: http://svn.irssi.org/repos/irssi/trunk@202 dbcabf3a-b0e7-0310-adc4-f8d773084564
466 lines
11 KiB
C
466 lines
11 KiB
C
/*
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gui-readline.c : irssi
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Copyright (C) 1999 Timo Sirainen
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "module.h"
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#include "signals.h"
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#include "server.h"
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#include "misc.h"
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#include "completion.h"
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#include "command-history.h"
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#include "keyboard.h"
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#include "translation.h"
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#include "windows.h"
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#include "screen.h"
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#include "gui-entry.h"
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#include "gui-windows.h"
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#include <signal.h>
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typedef void (*ENTRY_REDIRECT_KEY_FUNC) (int key, void *data, SERVER_REC *server, WI_ITEM_REC *item);
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typedef void (*ENTRY_REDIRECT_ENTRY_FUNC) (const char *line, void *data, SERVER_REC *server, WI_ITEM_REC *item);
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typedef struct {
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SIGNAL_FUNC func;
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int key;
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void *data;
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} ENTRY_REDIRECT_REC;
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static ENTRY_REDIRECT_REC *redir;
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static int readtag, sigint_count = 0;
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static time_t idle_time;
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static void handle_key_redirect(int key)
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{
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ENTRY_REDIRECT_KEY_FUNC func;
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void *data;
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func = (ENTRY_REDIRECT_KEY_FUNC) redir->func;
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data = redir->data;
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g_free_and_null(redir);
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if (func != NULL)
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func(key, data, active_win->active_server, active_win->active);
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gui_entry_remove_perm_prompt();
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window_update_prompt(active_win);
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}
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static void handle_entry_redirect(const char *line)
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{
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ENTRY_REDIRECT_ENTRY_FUNC func;
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void *data;
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func = (ENTRY_REDIRECT_ENTRY_FUNC) redir->func;
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data = redir->data;
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g_free_and_null(redir);
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if (func != NULL)
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func(line, data, active_win->active_server, active_win->active);
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gui_entry_remove_perm_prompt();
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window_update_prompt(active_win);
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}
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static void window_prev_page(void)
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{
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GUI_WINDOW_REC *gui = WINDOW_GUI(active_win);
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gui_window_scroll(active_win, -(gui->parent->last_line-gui->parent->first_line)/2);
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}
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static void window_next_page(void)
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{
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GUI_WINDOW_REC *gui = WINDOW_GUI(active_win);
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gui_window_scroll(active_win, (gui->parent->last_line-gui->parent->first_line)/2);
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}
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static const char *get_key_name(int key)
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{
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static char str[MAX_INT_STRLEN];
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switch (key) {
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case KEY_HOME:
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return "Home";
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case KEY_END:
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return "End";
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case KEY_PPAGE:
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return "Prior";
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case KEY_NPAGE:
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return "Next";
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case KEY_UP:
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return "Up";
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case KEY_DOWN:
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return "Down";
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case KEY_LEFT:
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return "Left";
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case KEY_RIGHT:
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return "Right";
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default:
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ltoa(str, key);
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return str;
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}
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}
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void handle_key(int key)
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{
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const char *text;
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char *str;
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int c;
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/* Quit if we get 5 CTRL-C's in a row. */
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if (key != 3)
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sigint_count = 0;
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else if (++sigint_count >= 5)
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raise(SIGTERM);
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idle_time = time(NULL);
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if (redir != NULL && redir->key) {
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handle_key_redirect(key);
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return;
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}
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switch (key)
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{
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case 27:
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c = getch();
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if (c == toupper(c) && c != tolower(c))
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str = g_strdup_printf("ALT-SHIFT-%c", c);
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else {
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if (c < 256)
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str = g_strdup_printf("ALT-%c", toupper(c));
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else
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str = g_strdup_printf("ALT-%s", get_key_name(c));
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}
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key_pressed(str, NULL);
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g_free(str);
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break;
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case KEY_HOME:
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/* home */
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gui_entry_set_pos(0);
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gui_entry_move_pos(0);
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break;
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case KEY_END:
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/* end */
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gui_entry_set_pos(strlen(gui_entry_get_text()));
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gui_entry_move_pos(0);
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break;
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case KEY_PPAGE:
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/* page up */
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window_prev_page();
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break;
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case KEY_NPAGE:
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/* page down */
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window_next_page();
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break;
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case KEY_UP:
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/* up */
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text = command_history_prev(active_win, gui_entry_get_text());
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gui_entry_set_text(text);
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break;
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case KEY_DOWN:
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/* down */
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text = command_history_next(active_win, gui_entry_get_text());
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gui_entry_set_text(text);
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break;
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case KEY_RIGHT:
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/* right */
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gui_entry_move_pos(1);
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break;
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case KEY_LEFT:
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/* left */
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gui_entry_move_pos(-1);
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break;
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case 21:
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/* Ctrl-U, clear line */
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gui_entry_set_text("");
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break;
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case 9:
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key_pressed("Tab", NULL);
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break;
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case 8:
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case 127:
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case KEY_BACKSPACE:
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gui_entry_erase(1);
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break;
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case 4:
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case KEY_DC:
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if (gui_entry_get_pos() < strlen(gui_entry_get_text())) {
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gui_entry_move_pos(1);
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gui_entry_erase(1);
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}
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break;
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case 11:
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/* C-K - erase the rest of the line */
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c = gui_entry_get_pos();
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gui_entry_set_pos(strlen(gui_entry_get_text()));
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gui_entry_erase(strlen(gui_entry_get_text()) - c);
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gui_entry_move_pos(0);
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break;
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case 0:
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/* Ctrl-space - ignore */
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break;
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case 1:
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/* C-A, home */
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gui_entry_set_pos(0);
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gui_entry_move_pos(0);
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break;
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case 5:
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/* C-E, end */
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gui_entry_set_pos(strlen(gui_entry_get_text()));
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gui_entry_move_pos(0);
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break;
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case '\n':
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case 13:
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key_pressed("Return", NULL);
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str = gui_entry_get_text();
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if (*str == '\0') break;
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translate_output(str);
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if (redir == NULL)
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signal_emit("send command", 3, str, active_win->active_server, active_win->active);
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else
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handle_entry_redirect(str);
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command_history_add(active_win, gui_entry_get_text(), FALSE);
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gui_entry_set_text("");
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command_history_clear_pos(active_win);
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break;
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default:
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if (key > 0 && key < 32) {
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str = g_strdup_printf("CTRL-%c", key == 31 ? '-' : key+'A'-1);
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key_pressed(str, NULL);
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g_free(str);
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break;
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}
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if (key < 256) {
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char str[2];
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str[0] = toupper(key); str[1] = '\0';
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key_pressed(str, NULL);
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gui_entry_insert_char((char) key);
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}
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break;
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}
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}
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void readline(void)
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{
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int key;
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for (;;) {
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key = getch();
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if (key == ERR) break;
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handle_key(key);
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}
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}
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time_t get_idle_time(void)
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{
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return idle_time;
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}
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static void sig_prev_page(void)
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{
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window_prev_page();
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}
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static void sig_next_page(void)
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{
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window_next_page();
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}
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static void sig_change_window(const char *data)
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{
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signal_emit("command window goto", 3, data, active_win->active_server, active_win->active);
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}
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static void sig_completion(void)
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{
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char *line;
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int pos;
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pos = gui_entry_get_pos();
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line = completion_line(active_win, gui_entry_get_text(), &pos);
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if (line != NULL) {
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gui_entry_set_text(line);
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gui_entry_set_pos(pos);
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g_free(line);
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}
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}
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static void sig_replace(void)
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{
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char *line;
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int pos;
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pos = gui_entry_get_pos();
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line = auto_completion(gui_entry_get_text(), &pos);
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if (line != NULL) {
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gui_entry_set_text(line);
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gui_entry_set_pos(pos);
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g_free(line);
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}
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}
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static void sig_prev_window(void)
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{
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signal_emit("command window prev", 3, "", active_win->active_server, active_win->active);
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}
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static void sig_next_window(void)
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{
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signal_emit("command window next", 3, "", active_win->active_server, active_win->active);
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}
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static void sig_up_window(void)
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{
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signal_emit("command window up", 3, "", active_win->active_server, active_win->active);
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}
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static void sig_down_window(void)
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{
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signal_emit("command window down", 3, "", active_win->active_server, active_win->active);
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}
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static void sig_window_goto_active(void)
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{
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signal_emit("command window goto", 3, "active", active_win->active_server, active_win->active);
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}
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static void sig_prev_window_item(void)
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{
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signal_emit("command window item prev", 3, "", active_win->active_server, active_win->active);
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}
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static void sig_next_window_item(void)
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{
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signal_emit("command window item next", 3, "", active_win->active_server, active_win->active);
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}
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static void sig_addchar(const char *data)
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{
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gui_entry_insert_char(*data);
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}
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static void sig_window_auto_changed(WINDOW_REC *window)
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{
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command_history_next(active_win, gui_entry_get_text());
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gui_entry_set_text("");
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}
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static void sig_gui_entry_redirect(SIGNAL_FUNC func, const char *entry, gpointer key, void *data)
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{
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redir = g_new0(ENTRY_REDIRECT_REC, 1);
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redir->func = func;
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redir->key = key != NULL;
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redir->data = data;
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gui_entry_set_perm_prompt(entry);
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}
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void gui_readline_init(void)
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{
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static char changekeys[] = "1234567890QWERTYUIO";
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char *key, data[MAX_INT_STRLEN];
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int n;
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redir = NULL;
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idle_time = time(NULL);
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readtag = g_input_add(0, G_INPUT_READ, (GInputFunction) readline, NULL);
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key_bind("completion", NULL, "Nick completion", "Tab", (SIGNAL_FUNC) sig_completion);
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key_bind("check replaces", NULL, "Check word replaces", " ", (SIGNAL_FUNC) sig_replace);
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key_bind("check replaces", NULL, NULL, "Return", (SIGNAL_FUNC) sig_replace);
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key_bind("window prev", NULL, "Previous window", "CTRL-P", (SIGNAL_FUNC) sig_prev_window);
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key_bind("window prev", NULL, NULL, "ALT-Left", (SIGNAL_FUNC) sig_prev_window);
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key_bind("window next", NULL, "Next window", "CTRL-N", (SIGNAL_FUNC) sig_next_window);
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key_bind("window next", NULL, NULL, "ALT-Right", (SIGNAL_FUNC) sig_next_window);
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key_bind("window up", NULL, "Upper window", "ALT-Up", (SIGNAL_FUNC) sig_up_window);
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key_bind("window down", NULL, "Lower window", "ALT-Down", (SIGNAL_FUNC) sig_down_window);
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key_bind("window active", NULL, "Go to next window with the highest activity", "ALT-A", (SIGNAL_FUNC) sig_window_goto_active);
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key_bind("window item next", NULL, "Next channel", "CTRL-X", (SIGNAL_FUNC) sig_next_window_item);
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key_bind("window item prev", NULL, "Next channel", NULL, (SIGNAL_FUNC) sig_prev_window_item);
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key_bind("redraw", NULL, "Redraw window", "CTRL-L", (SIGNAL_FUNC) irssi_redraw);
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key_bind("prev page", NULL, "Previous page", "ALT-P", (SIGNAL_FUNC) sig_prev_page);
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key_bind("next page", NULL, "Next page", "ALT-N", (SIGNAL_FUNC) sig_next_page);
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key_bind("special char", "\x02", "Insert special character", "CTRL-B", (SIGNAL_FUNC) sig_addchar);
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key_bind("special char", "\x1f", NULL, "CTRL--", (SIGNAL_FUNC) sig_addchar);
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key_bind("special char", "\x03", NULL, "CTRL-C", (SIGNAL_FUNC) sig_addchar);
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key_bind("special char", "\x16", NULL, "CTRL-V", (SIGNAL_FUNC) sig_addchar);
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key_bind("special char", "\x07", NULL, "CTRL-G", (SIGNAL_FUNC) sig_addchar);
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key_bind("special char", "\x0f", NULL, "CTRL-O", (SIGNAL_FUNC) sig_addchar);
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for (n = 0; changekeys[n] != '\0'; n++) {
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key = g_strdup_printf("ALT-%c", changekeys[n]);
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ltoa(data, n+1);
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key_bind("change window", data, "Change window", key, (SIGNAL_FUNC) sig_change_window);
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g_free(key);
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}
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signal_add("window changed automatic", (SIGNAL_FUNC) sig_window_auto_changed);
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signal_add("gui entry redirect", (SIGNAL_FUNC) sig_gui_entry_redirect);
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}
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void gui_readline_deinit(void)
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{
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g_source_remove(readtag);
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key_unbind("completion", (SIGNAL_FUNC) sig_completion);
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key_unbind("check replaces", (SIGNAL_FUNC) sig_replace);
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key_unbind("window prev", (SIGNAL_FUNC) sig_prev_window);
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key_unbind("window next", (SIGNAL_FUNC) sig_next_window);
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key_unbind("window active", (SIGNAL_FUNC) sig_window_goto_active);
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key_unbind("window item next", (SIGNAL_FUNC) sig_next_window_item);
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key_unbind("window item prev", (SIGNAL_FUNC) sig_prev_window_item);
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key_unbind("redraw", (SIGNAL_FUNC) irssi_redraw);
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key_unbind("prev page", (SIGNAL_FUNC) sig_prev_page);
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key_unbind("next page", (SIGNAL_FUNC) sig_next_page);
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key_unbind("special char", (SIGNAL_FUNC) sig_addchar);
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key_unbind("change window", (SIGNAL_FUNC) sig_change_window);
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signal_remove("window changed automatic", (SIGNAL_FUNC) sig_window_auto_changed);
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signal_remove("gui entry redirect", (SIGNAL_FUNC) sig_gui_entry_redirect);
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}
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