From 8ab74e16d7bc203ef277d72fd41a1fdb4e787c01 Mon Sep 17 00:00:00 2001 From: Přemysl Janouch Date: Sat, 11 May 2013 04:17:39 +0200 Subject: Rename the project --- src/sdcli.c | 274 ------------------------------------------------------------ src/sdtui.c | 274 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 274 insertions(+), 274 deletions(-) delete mode 100644 src/sdcli.c create mode 100644 src/sdtui.c (limited to 'src') diff --git a/src/sdcli.c b/src/sdcli.c deleted file mode 100644 index 8a8f4ca..0000000 --- a/src/sdcli.c +++ /dev/null @@ -1,274 +0,0 @@ -/* - * StarDict console UI - * - * Copyright (c) 2013, Přemysl Janouch - * All rights reserved. - * - * Permission to use, copy, modify, and/or distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY - * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION - * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN - * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - * - */ - -#define _XOPEN_SOURCE_EXTENDED /**< Yes, we want ncursesw. */ - -#include -#include -#include -#include -#include - -#include -#include -#include - -#include -#include -#include -#include - -#include "stardict.h" - - -#define KEY_ESCAPE 27 /**< Curses doesn't define this. */ - -// --- Utilities --------------------------------------------------------------- - -static void -display (const gchar *format, ...) -{ - va_list ap; - - va_start (ap, format); - vw_printw (stdscr, format, ap); - va_end (ap); - refresh (); -} - -static gchar * -wchar_to_mb (wchar_t ch) -{ - /* Convert the character back to a multi-byte sequence. */ - static gchar buffer[MB_LEN_MAX + 1]; - size_t len = wcrtomb (buffer, ch, NULL); - - /* This shouldn't happen. It would mean that the user has - * somehow managed to enter something inexpressable in the - * current locale. */ - if (len == (size_t) -1) - abort (); - - /* Here I hope the buffer doesn't overflow. Who uses - * shift states nowadays, anyway? */ - if (wcrtomb (buffer + len, L'\0', NULL) == (size_t) -1) - abort (); - - return buffer; -} - -static const gchar * -wchar_to_mb_escaped (wchar_t ch) -{ - switch (ch) - { - case L'\r': return "\\r"; - case L'\n': return "\\n"; - case L'\t': return "\\t"; - default: return wchar_to_mb (ch); - } -} - -static int -poll_restart (struct pollfd *fds, nfds_t nfds, int timeout) -{ - int ret; - do - ret = poll (fds, nfds, timeout); - while (ret == -1 && errno == EINTR); - return ret; -} - -// --- SIGWINCH ---------------------------------------------------------------- - -static int g_winch_pipe[2]; /**< SIGWINCH signalling pipe. */ -static void (*g_old_winch_handler) (int); - -static void -winch_handler (int signum) -{ - /* Call the ncurses handler. */ - if (g_old_winch_handler) - g_old_winch_handler (signum); - - /* And wake up the poll() call. */ - write (g_winch_pipe[1], "x", 1); -} - -static void -install_winch_handler (void) -{ - struct sigaction act, oldact; - - act.sa_handler = winch_handler; - act.sa_flags = SA_RESTART; - sigemptyset (&act.sa_mask); - sigaction (SIGWINCH, &act, &oldact); - - /* Save the ncurses handler. */ - if (oldact.sa_handler != SIG_DFL - && oldact.sa_handler != SIG_IGN) - g_old_winch_handler = oldact.sa_handler; -} - -// --- Event handlers ---------------------------------------------------------- - -typedef struct -{ - wint_t code; - guint is_char : 1; - MEVENT mouse; -} -CursesEvent; - -static gboolean -process_curses_event (CursesEvent *event) -{ - if (!event->is_char) - { - switch (event->code) - { - case KEY_RESIZE: - display ("Screen has been resized to %u x %u\n", - COLS, LINES); - break; - case KEY_MOUSE: - display ("Mouse event at (%d, %d), state %#lx\n", - event->mouse.x, event->mouse.y, event->mouse.bstate); - break; - default: - display ("Keyboard event: non-character: %u\n", - event->code); - } - return TRUE; - } - - display ("Keyboard event: character: '%s'\n", - wchar_to_mb_escaped (event->code)); - - if (event->code == L'q' || event->code == KEY_ESCAPE) - { - display ("Quitting...\n"); - return FALSE; - } - - return TRUE; -} - -static gboolean -process_stdin_input (void) -{ - CursesEvent event; - int sta; - - while ((sta = get_wch (&event.code)) != ERR) - { - event.is_char = (sta == OK); - if (sta == KEY_CODE_YES && event.code == KEY_MOUSE - && getmouse (&event.mouse) == ERR) - abort (); - if (!process_curses_event (&event)) - return FALSE; - } - - return TRUE; -} - -static gboolean -process_winch_input (int fd) -{ - char c; - - read (fd, &c, 1); - return process_stdin_input (); -} - -// --- Main -------------------------------------------------------------------- - -int -main (int argc, char *argv[]) -{ - static GOptionEntry entries[] = - { - { NULL } - }; - - if (!setlocale (LC_ALL, "")) - abort (); - - GError *error = NULL; - GOptionContext *ctx = g_option_context_new ("- StarDict console UI"); - g_option_context_add_main_entries (ctx, entries, NULL); - if (!g_option_context_parse (ctx, &argc, &argv, &error)) - { - g_print ("option parsing failed: %s\n", error->message); - exit (EXIT_FAILURE); - } - - if (!initscr () - || cbreak () == ERR - || noecho () == ERR) - abort (); - - keypad (stdscr, TRUE); /* Enable character processing. */ - nodelay (stdscr, TRUE); /* Don't block on get_wch(). */ - - mousemask (ALL_MOUSE_EVENTS, NULL); - - display ("Press Q, Escape or ^C to quit\n"); - - if (pipe (g_winch_pipe) == -1) - abort (); - - install_winch_handler (); - -// --- Message loop ------------------------------------------------------------ - - struct pollfd pollfd[2]; - - pollfd[0].fd = fileno (stdin); - pollfd[0].events = POLLIN; - pollfd[1].fd = g_winch_pipe[0]; - pollfd[1].events = POLLIN; - - while (TRUE) - { - if (poll_restart (pollfd, 3, -1) == -1) - abort (); - - if ((pollfd[0].revents & POLLIN) - && !process_stdin_input ()) - break; - if ((pollfd[1].revents & POLLIN) - && !process_winch_input (pollfd[2].fd)) - break; - } - -// --- Cleanup ----------------------------------------------------------------- - - endwin (); - - if (close (g_winch_pipe[0]) == -1 - || close (g_winch_pipe[1]) == -1) - abort (); - - return 0; -} - diff --git a/src/sdtui.c b/src/sdtui.c new file mode 100644 index 0000000..e6cc058 --- /dev/null +++ b/src/sdtui.c @@ -0,0 +1,274 @@ +/* + * StarDict terminal UI + * + * Copyright (c) 2013, Přemysl Janouch + * All rights reserved. + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY + * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN + * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + */ + +#define _XOPEN_SOURCE_EXTENDED /**< Yes, we want ncursesw. */ + +#include +#include +#include +#include +#include + +#include +#include +#include + +#include +#include +#include +#include + +#include "stardict.h" + + +#define KEY_ESCAPE 27 /**< Curses doesn't define this. */ + +// --- Utilities --------------------------------------------------------------- + +static void +display (const gchar *format, ...) +{ + va_list ap; + + va_start (ap, format); + vw_printw (stdscr, format, ap); + va_end (ap); + refresh (); +} + +static gchar * +wchar_to_mb (wchar_t ch) +{ + /* Convert the character back to a multi-byte sequence. */ + static gchar buffer[MB_LEN_MAX + 1]; + size_t len = wcrtomb (buffer, ch, NULL); + + /* This shouldn't happen. It would mean that the user has + * somehow managed to enter something inexpressable in the + * current locale. */ + if (len == (size_t) -1) + abort (); + + /* Here I hope the buffer doesn't overflow. Who uses + * shift states nowadays, anyway? */ + if (wcrtomb (buffer + len, L'\0', NULL) == (size_t) -1) + abort (); + + return buffer; +} + +static const gchar * +wchar_to_mb_escaped (wchar_t ch) +{ + switch (ch) + { + case L'\r': return "\\r"; + case L'\n': return "\\n"; + case L'\t': return "\\t"; + default: return wchar_to_mb (ch); + } +} + +static int +poll_restart (struct pollfd *fds, nfds_t nfds, int timeout) +{ + int ret; + do + ret = poll (fds, nfds, timeout); + while (ret == -1 && errno == EINTR); + return ret; +} + +// --- SIGWINCH ---------------------------------------------------------------- + +static int g_winch_pipe[2]; /**< SIGWINCH signalling pipe. */ +static void (*g_old_winch_handler) (int); + +static void +winch_handler (int signum) +{ + /* Call the ncurses handler. */ + if (g_old_winch_handler) + g_old_winch_handler (signum); + + /* And wake up the poll() call. */ + write (g_winch_pipe[1], "x", 1); +} + +static void +install_winch_handler (void) +{ + struct sigaction act, oldact; + + act.sa_handler = winch_handler; + act.sa_flags = SA_RESTART; + sigemptyset (&act.sa_mask); + sigaction (SIGWINCH, &act, &oldact); + + /* Save the ncurses handler. */ + if (oldact.sa_handler != SIG_DFL + && oldact.sa_handler != SIG_IGN) + g_old_winch_handler = oldact.sa_handler; +} + +// --- Event handlers ---------------------------------------------------------- + +typedef struct +{ + wint_t code; + guint is_char : 1; + MEVENT mouse; +} +CursesEvent; + +static gboolean +process_curses_event (CursesEvent *event) +{ + if (!event->is_char) + { + switch (event->code) + { + case KEY_RESIZE: + display ("Screen has been resized to %u x %u\n", + COLS, LINES); + break; + case KEY_MOUSE: + display ("Mouse event at (%d, %d), state %#lx\n", + event->mouse.x, event->mouse.y, event->mouse.bstate); + break; + default: + display ("Keyboard event: non-character: %u\n", + event->code); + } + return TRUE; + } + + display ("Keyboard event: character: '%s'\n", + wchar_to_mb_escaped (event->code)); + + if (event->code == L'q' || event->code == KEY_ESCAPE) + { + display ("Quitting...\n"); + return FALSE; + } + + return TRUE; +} + +static gboolean +process_stdin_input (void) +{ + CursesEvent event; + int sta; + + while ((sta = get_wch (&event.code)) != ERR) + { + event.is_char = (sta == OK); + if (sta == KEY_CODE_YES && event.code == KEY_MOUSE + && getmouse (&event.mouse) == ERR) + abort (); + if (!process_curses_event (&event)) + return FALSE; + } + + return TRUE; +} + +static gboolean +process_winch_input (int fd) +{ + char c; + + read (fd, &c, 1); + return process_stdin_input (); +} + +// --- Main -------------------------------------------------------------------- + +int +main (int argc, char *argv[]) +{ + static GOptionEntry entries[] = + { + { NULL } + }; + + if (!setlocale (LC_ALL, "")) + abort (); + + GError *error = NULL; + GOptionContext *ctx = g_option_context_new ("- StarDict terminal UI"); + g_option_context_add_main_entries (ctx, entries, NULL); + if (!g_option_context_parse (ctx, &argc, &argv, &error)) + { + g_printerr ("Error: option parsing failed: %s\n", error->message); + exit (EXIT_FAILURE); + } + + if (!initscr () + || cbreak () == ERR + || noecho () == ERR) + abort (); + + keypad (stdscr, TRUE); /* Enable character processing. */ + nodelay (stdscr, TRUE); /* Don't block on get_wch(). */ + + mousemask (ALL_MOUSE_EVENTS, NULL); + + display ("Press Q, Escape or ^C to quit\n"); + + if (pipe (g_winch_pipe) == -1) + abort (); + + install_winch_handler (); + +// --- Message loop ------------------------------------------------------------ + + struct pollfd pollfd[2]; + + pollfd[0].fd = fileno (stdin); + pollfd[0].events = POLLIN; + pollfd[1].fd = g_winch_pipe[0]; + pollfd[1].events = POLLIN; + + while (TRUE) + { + if (poll_restart (pollfd, 3, -1) == -1) + abort (); + + if ((pollfd[0].revents & POLLIN) + && !process_stdin_input ()) + break; + if ((pollfd[1].revents & POLLIN) + && !process_winch_input (pollfd[2].fd)) + break; + } + +// --- Cleanup ----------------------------------------------------------------- + + endwin (); + + if (close (g_winch_pipe[0]) == -1 + || close (g_winch_pipe[1]) == -1) + abort (); + + return 0; +} + -- cgit v1.2.3-70-g09d2