pegasus/weechat
1
0
Fork 0
mirror of https://github.com/weechat/weechat.git synced 2026-06-27 13:26:38 +02:00
Code Activity
Files
100440c8a1ff15dd7d9d42cbdf591647a2ee6bf7
weechat/src/gui/curses/gui-curses-main.c
T

665 lines
16 KiB
C
Raw Blame History

/*
* gui-curses-main.c - main loop for Curses GUI
*
* Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
*
* This file is part of WeeChat, the extensible chat client.
*
* WeeChat is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* WeeChat 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 WeeChat. If not, see <https://www.gnu.org/licenses/>.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
#include <string.h>
#include <signal.h>
#include <time.h>
#include "../../core/weechat.h"
#include "../../core/wee-command.h"
#include "../../core/wee-config.h"
#include "../../core/wee-hook.h"
#include "../../core/wee-log.h"
#include "../../core/wee-string.h"
#include "../../core/wee-utf8.h"
#include "../../core/wee-util.h"
#include "../../core/wee-version.h"
#include "../../plugins/plugin.h"
#include "../gui-main.h"
#include "../gui-bar.h"
#include "../gui-bar-item.h"
#include "../gui-bar-window.h"
#include "../gui-buffer.h"
#include "../gui-chat.h"
#include "../gui-color.h"
#include "../gui-cursor.h"
#include "../gui-filter.h"
#include "../gui-hotlist.h"
#include "../gui-input.h"
#include "../gui-layout.h"
#include "../gui-line.h"
#include "../gui-history.h"
#include "../gui-mouse.h"
#include "../gui-nicklist.h"
#include "../gui-window.h"
#include "gui-curses.h"
volatile sig_atomic_t gui_signal_sigwinch_received = 0; /* sigwinch signal */
/* (terminal has been resized) */
int gui_term_cols = 0; /* number of columns in terminal */
int gui_term_lines = 0; /* number of lines in terminal */
/*
* Gets a password from user (called on startup, when GUI is not initialized).
*
* The result is stored in "password" with max "size" bytes (including the
* final '\0').
*/
void
gui_main_get_password (const char **prompt, char *password, int size)
{
int line, i, ch;
memset (password, '\0', size);
if (weechat_headless)
{
password[0] = ' ';
return;
}
initscr ();
cbreak ();
noecho ();
raw ();
clear ();
line = 0;
while (prompt[line])
{
mvaddstr (line, 0, prompt[line]);
line++;
}
mvaddstr (line, 0, "=> ");
refresh ();
i = 0;
while (i < size - 1)
{
ch = getch ();
/* enter */
if (ch == '\n')
break;
/* terminal lost or ctrl-C */
if ((ch == ERR) || (ch == 3))
{
password[0] = 3;
i = 1;
break;
}
if (ch == 127)
{
if (i > 0)
{
i--;
password[i] = '\0';
mvaddstr (line, 3 + i, " ");
move (line, 3 + i);
}
}
else
{
password[i] = ch;
mvaddstr (line, 3 + i, "*");
i++;
}
refresh ();
}
password[i] = '\0';
refresh ();
endwin ();
}
/*
* Callback for system signal SIGINT: quits WeeChat.
*/
void
gui_main_signal_sigint ()
{
weechat_quit = 1;
}
/*
* Initializes GUI.
*/
void
gui_main_init ()
{
struct t_gui_buffer *ptr_buffer;
struct t_gui_bar *ptr_bar;
struct t_gui_bar_window *ptr_bar_win;
char title[256];
#ifdef WEECHAT_HEADLESS
/* allow Ctrl-C to quit WeeChat in headless mode */
util_catch_signal (SIGINT, &gui_main_signal_sigint);
#endif /* WEECHAT_HEADLESS */
initscr ();
if (CONFIG_BOOLEAN(config_look_eat_newline_glitch))
gui_term_set_eat_newline_glitch (0);
curs_set (1);
noecho ();
nodelay (stdscr, TRUE);
raw ();
gui_color_alloc ();
/* build prefixes according to configuration */
gui_chat_prefix_build ();
refresh ();
gui_term_cols = COLS;
gui_term_lines = LINES;
gui_window_read_terminal_size ();
/* init clipboard buffer */
gui_input_clipboard = NULL;
/* get time length */
gui_chat_time_length = gui_chat_get_time_length ();
/* init bar items */
gui_bar_item_init ();
gui_init_ok = 0;
/* create core buffer */
ptr_buffer = gui_buffer_new (NULL, GUI_BUFFER_MAIN,
NULL, NULL, NULL,
NULL, NULL, NULL);
if (ptr_buffer)
{
gui_init_ok = 1;
ptr_buffer->num_displayed = 1;
/* set short name */
if (!ptr_buffer->short_name)
ptr_buffer->short_name = strdup (GUI_BUFFER_MAIN);
/* set title for core buffer */
snprintf (title, sizeof (title), "WeeChat %s %s - %s",
version_get_version (),
WEECHAT_COPYRIGHT_DATE,
WEECHAT_WEBSITE);
gui_buffer_set_title (ptr_buffer, title);
/* create main window (using full space) */
if (gui_window_new (NULL, ptr_buffer, 0, 0,
gui_term_cols, gui_term_lines, 100, 100))
{
gui_current_window = gui_windows;
if (CONFIG_STRING(config_look_window_title)
&& CONFIG_STRING(config_look_window_title)[0])
{
gui_window_set_title (CONFIG_STRING(config_look_window_title));
}
}
/*
* create bar windows for root bars (they were read from config,
* but no window was created, GUI was not initialized)
*/
for (ptr_bar = gui_bars; ptr_bar; ptr_bar = ptr_bar->next_bar)
{
if ((CONFIG_INTEGER(ptr_bar->options[GUI_BAR_OPTION_TYPE]) == GUI_BAR_TYPE_ROOT)
&& (!ptr_bar->bar_window))
{
gui_bar_window_new (ptr_bar, NULL);
}
}
for (ptr_bar_win = gui_windows->bar_windows;
ptr_bar_win; ptr_bar_win = ptr_bar_win->next_bar_window)
{
gui_bar_window_calculate_pos_size (ptr_bar_win, gui_windows);
gui_bar_window_create_win (ptr_bar_win);
}
}
if (CONFIG_BOOLEAN(config_look_mouse))
gui_mouse_enable ();
else
gui_mouse_disable ();
gui_window_set_bracketed_paste_mode (CONFIG_BOOLEAN(config_look_paste_bracketed));
}
/*
* Returns signal name with a signal number.
*
* Note: result must be freed after use.
*/
char *
gui_main_get_signal_name (int signal_number)
{
const char *signal_name;
char str_signal[32];
signal_name = util_signal_search_number (signal_number);
if (!signal_name)
return NULL;
snprintf (str_signal, sizeof (str_signal),
"SIG%s",
signal_name);
string_toupper (str_signal);
return strdup (str_signal);
}
/*
* Callback for system signal SIGWINCH: refreshes screen.
*/
void
gui_main_signal_sigwinch ()
{
gui_signal_sigwinch_received = 1;
}
/*
* Sends a WeeChat signal on a system signal received.
*
* Returns:
* WEECHAT_RC_OK: the WeeChat handler must be executed
* WEECHAT_RC_OK_EAT: signal eaten, the WeeChat handler must NOT be executed
*/
int
gui_main_handle_signal (const char *signal_name)
{
int rc;
char str_signal[32];
if (!signal_name)
return WEECHAT_RC_OK;
snprintf (str_signal, sizeof (str_signal), "signal_%s", signal_name);
string_tolower (str_signal);
rc = hook_signal_send (str_signal, WEECHAT_HOOK_SIGNAL_STRING, NULL);
return (rc == WEECHAT_RC_OK_EAT) ? WEECHAT_RC_OK_EAT : WEECHAT_RC_OK;
}
/*
* Callback for signals received that will make WeeChat reload configuration.
*/
void
gui_main_handle_reload_signal ()
{
char *signal_name;
signal_name = gui_main_get_signal_name (weechat_reload_signal);
if (gui_main_handle_signal (signal_name) != WEECHAT_RC_OK_EAT)
{
log_printf ("Signal %s received, reloading WeeChat configuration...",
signal_name);
command_reload_files ();
}
if (signal_name)
free (signal_name);
weechat_reload_signal = 0;
}
/*
* Callback for signals received that will make WeeChat quit.
*/
void
gui_main_handle_quit_signals ()
{
char *signal_name;
signal_name = gui_main_get_signal_name (weechat_quit_signal);
if (gui_main_handle_signal (signal_name) != WEECHAT_RC_OK_EAT)
{
if (!weechat_quit)
{
log_printf (_("Signal %s received, exiting WeeChat..."),
signal_name);
(void) hook_signal_send ("quit", WEECHAT_HOOK_SIGNAL_STRING, NULL);
weechat_quit = 1;
}
}
if (signal_name)
free (signal_name);
weechat_quit_signal = 0;
}
/*
* Displays infos about ncurses lib.
*/
void
gui_main_debug_libs ()
{
#if defined(NCURSES_VERSION) && defined(NCURSES_VERSION_PATCH)
gui_chat_printf (NULL, " ncurses: %s (patch %d)",
NCURSES_VERSION, NCURSES_VERSION_PATCH);
#else
gui_chat_printf (NULL, " ncurses: (?)");
#endif /* defined(NCURSES_VERSION) && defined(NCURSES_VERSION_PATCH) */
}
/*
* Refreshes for windows, buffers, bars.
*/
void
gui_main_refreshes ()
{
struct t_gui_window *ptr_win;
struct t_gui_buffer *ptr_buffer;
struct t_gui_bar *ptr_bar;
/* refresh color buffer if needed */
if (gui_color_buffer_refresh_needed)
{
gui_color_buffer_display ();
gui_color_buffer_refresh_needed = 0;
}
/* compute max length for prefix/buffer if needed */
for (ptr_buffer = gui_buffers; ptr_buffer;
ptr_buffer = ptr_buffer->next_buffer)
{
/* compute buffer/prefix max length for own_lines */
if (ptr_buffer->own_lines)
{
if (ptr_buffer->own_lines->buffer_max_length_refresh)
{
gui_line_compute_buffer_max_length (ptr_buffer,
ptr_buffer->own_lines);
}
if (ptr_buffer->own_lines->prefix_max_length_refresh)
gui_line_compute_prefix_max_length (ptr_buffer->own_lines);
}
/* compute buffer/prefix max length for mixed_lines */
if (ptr_buffer->mixed_lines)
{
if (ptr_buffer->mixed_lines->buffer_max_length_refresh)
{
gui_line_compute_buffer_max_length (ptr_buffer,
ptr_buffer->mixed_lines);
}
if (ptr_buffer->mixed_lines->prefix_max_length_refresh)
gui_line_compute_prefix_max_length (ptr_buffer->mixed_lines);
}
}
/* refresh window if needed */
if (gui_window_refresh_needed)
{
gui_window_refresh_screen ((gui_window_refresh_needed > 1) ? 1 : 0);
gui_window_refresh_needed = 0;
}
/* refresh bars if needed */
for (ptr_bar = gui_bars; ptr_bar; ptr_bar = ptr_bar->next_bar)
{
if (ptr_bar->bar_refresh_needed)
gui_bar_draw (ptr_bar);
}
/* refresh window if needed (if asked during refresh of bars) */
if (gui_window_refresh_needed)
{
gui_window_refresh_screen ((gui_window_refresh_needed > 1) ? 1 : 0);
gui_window_refresh_needed = 0;
}
/* refresh windows if needed */
for (ptr_win = gui_windows; ptr_win; ptr_win = ptr_win->next_window)
{
if (ptr_win->refresh_needed)
{
gui_window_switch_to_buffer (ptr_win, ptr_win->buffer, 0);
gui_chat_draw (ptr_win->buffer, 1);
ptr_win->refresh_needed = 0;
}
}
/* refresh chat buffers if needed */
for (ptr_buffer = gui_buffers; ptr_buffer;
ptr_buffer = ptr_buffer->next_buffer)
{
if (ptr_buffer->chat_refresh_needed)
{
gui_chat_draw (ptr_buffer,
(ptr_buffer->chat_refresh_needed) > 1 ? 1 : 0);
}
}
if (!gui_window_bare_display)
{
/* refresh bars if needed */
for (ptr_bar = gui_bars; ptr_bar; ptr_bar = ptr_bar->next_bar)
{
if (ptr_bar->bar_refresh_needed)
{
gui_bar_draw (ptr_bar);
}
}
/* move cursor (for cursor mode) */
if (gui_cursor_mode)
gui_window_move_cursor ();
}
}
/*
* Main loop for WeeChat with ncurses GUI.
*/
void
gui_main_loop ()
{
struct t_hook *hook_fd_keyboard;
int send_signal_sigwinch;
send_signal_sigwinch = 0;
/* catch SIGWINCH signal: redraw screen */
if (!weechat_headless)
util_catch_signal (SIGWINCH, &gui_main_signal_sigwinch);
/* hook stdin (read keyboard) */
if (weechat_headless)
{
hook_fd_keyboard = NULL;
}
else
{
hook_fd_keyboard = hook_fd (NULL, STDIN_FILENO, 1, 0, 0,
&gui_key_read_cb, NULL, NULL);
}
gui_window_ask_refresh (1);
while (!weechat_quit)
{
/* execute timer hooks */
hook_timer_exec ();
/* auto reset of color pairs */
if (gui_color_pairs_auto_reset)
{
gui_color_reset_pairs ();
gui_color_pairs_auto_reset_last = time (NULL);
gui_color_pairs_auto_reset = 0;
gui_color_pairs_auto_reset_pending = 1;
}
if (gui_signal_sigwinch_received)
{
gui_window_ask_refresh (2);
gui_signal_sigwinch_received = 0;
send_signal_sigwinch = 1;
}
gui_main_refreshes ();
if (gui_window_refresh_needed && !gui_window_bare_display)
gui_main_refreshes ();
if (send_signal_sigwinch)
{
(void) hook_signal_send ("signal_sigwinch",
WEECHAT_HOOK_SIGNAL_STRING, NULL);
send_signal_sigwinch = 0;
}
gui_color_pairs_auto_reset_pending = 0;
/* execute fd hooks */
hook_fd_exec ();
/* run process (with fork) */
hook_process_exec ();
/* handle signals received */
if (weechat_reload_signal > 0)
gui_main_handle_reload_signal ();
if (weechat_quit_signal > 0)
gui_main_handle_quit_signals ();
}
/* remove keyboard hook */
if (hook_fd_keyboard)
unhook (hook_fd_keyboard);
}
/*
* Ends GUI.
*
* Argument "clean_exit" is 0 when WeeChat is crashing (we don't clean objects
* because WeeChat can crash again during this cleanup...).
*/
void
gui_main_end (int clean_exit)
{
if (clean_exit)
{
/*
* final refreshes, to see messages just before exiting
* (if we are upgrading, don't refresh anything!)
*/
if (!weechat_upgrading)
{
gui_main_refreshes ();
if (gui_window_refresh_needed)
gui_main_refreshes ();
}
/* disable bracketed paste mode */
gui_window_set_bracketed_paste_mode (0);
/* disable mouse */
gui_mouse_disable ();
/* remove bar items and bars */
gui_bar_item_end ();
gui_bar_free_all ();
/* remove filters */
gui_filter_free_all ();
/* free clipboard buffer */
if (gui_input_clipboard)
free (gui_input_clipboard);
/* delete layouts */
gui_layout_remove_all ();
/* delete all windows */
while (gui_windows)
{
gui_window_free (gui_windows);
}
gui_window_tree_free (&gui_windows_tree);
/* delete all buffers */
while (gui_buffers)
{
gui_buffer_close (gui_buffers);
}
gui_init_ok = 0;
/* delete global history */
gui_history_global_free ();
/* reset title */
if (CONFIG_STRING(config_look_window_title)
&& CONFIG_STRING(config_look_window_title)[0])
{
gui_window_set_title (NULL);
}
/* end color */
gui_color_end ();
/* free some variables used for chat area */
gui_chat_end ();
/* free some variables used for nicklist */
gui_nicklist_end ();
/* free some variables used for hotlist */
gui_hotlist_end ();
}
/* end of Curses output */
refresh ();
endwin ();
}
View Git Blame Copy Permalink