* Merged caca_show_cursor() and caca_hide_cursor() into caca_set_mouse() so
that we have one function less.
* Fixed coding style.
* Removed FUCKING TABS. ____.------.___
_______.----'`` ``` `` ``` ``-.
_.--' ` ```` ` ` ` ``` `` `` ``.
_.-' ' ` `` ``` `` ` `' `. _
.-'' ` H A H A H A `' M A I S \/.)
. . .-' / ` ` ` `` ||
|`-.(``-. ` ` ` ' ` ` ``` |\
`. '\```\ `` ` V I E U X ' ' `` `-`` -|\\
`/''````) `` ` - - ````` ' '.' |\_)
|`'_._` ``` ''` P O R C . . ```` /
// @) \ ` `` ''' . ``` '/
/''''' | ` \).`.'-. ''' _ _ .`` ` '/
.''''- `-'`. . // )-- '/,,',,' ,,,,''__,._`' ' /
.' ` `- ` ' .' / ' /,;;;, ,___.---' \ '' / \
(`. .'` __',`''''.--'/ ' /'-----' | ' / ))
`'-'/ `'''_.---' \;;|- '/ ,,, | ''|`- |
`'--'---' |;| / ,,,,;;;;;;;;;;,,,,, |-' /` |
|;|-'| ,;;;;;;;;;;;;;;;; ;;;/ /|`'''
''',,,''',,,,,,,,,,,,,,,' /,,'''
''''
18 jaren geleden |
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- /*
- * libcaca Colour ASCII-Art library
- * Copyright (c) 2002-2006 Sam Hocevar <sam@zoy.org>
- * All Rights Reserved
- *
- * $Id$
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the Do What The Fuck You Want To
- * Public License, Version 2, as published by Sam Hocevar. See
- * http://sam.zoy.org/wtfpl/COPYING for more details.
- */
-
- /*
- * This file contains the libcaca Ncurses input and output driver
- */
-
- #include "config.h"
- #include "common.h"
-
- #if defined USE_NCURSES
-
- #if defined HAVE_NCURSESW_NCURSES_H
- # include <ncursesw/ncurses.h>
- #elif defined HAVE_NCURSES_NCURSES_H
- # include <ncurses/ncurses.h>
- #elif defined HAVE_NCURSES_H
- # include <ncurses.h>
- #else
- # include <curses.h>
- #endif
-
- #include <stdlib.h>
- #include <string.h>
-
- #if defined HAVE_SIGNAL_H
- # include <signal.h>
- #endif
- #if defined HAVE_SYS_IOCTL_H
- # include <sys/ioctl.h>
- #endif
- #if defined HAVE_LOCALE_H
- # include <locale.h>
- #endif
-
- #include "caca.h"
- #include "caca_internals.h"
- #include "cucul.h"
- #include "cucul_internals.h"
-
- /*
- * Local functions
- */
-
- #if defined HAVE_SIGNAL
- static RETSIGTYPE sigwinch_handler(int);
- static caca_display_t *sigwinch_d; /* FIXME: we ought to get rid of this */
- #endif
- #if defined HAVE_GETENV && defined HAVE_PUTENV
- static void ncurses_check_terminal(void);
- #endif
- static void ncurses_write_utf32(uint32_t);
-
- struct driver_private
- {
- int attr[16*16];
- mmask_t oldmask;
- };
-
- static int ncurses_init_graphics(caca_display_t *dp)
- {
- static int curses_colors[] =
- {
- /* Standard curses colours */
- COLOR_BLACK,
- COLOR_BLUE,
- COLOR_GREEN,
- COLOR_CYAN,
- COLOR_RED,
- COLOR_MAGENTA,
- COLOR_YELLOW,
- COLOR_WHITE,
- /* Extra values for xterm-16color */
- COLOR_BLACK + 8,
- COLOR_BLUE + 8,
- COLOR_GREEN + 8,
- COLOR_CYAN + 8,
- COLOR_RED + 8,
- COLOR_MAGENTA + 8,
- COLOR_YELLOW + 8,
- COLOR_WHITE + 8
- };
-
- mmask_t newmask;
- int fg, bg, max;
-
- dp->drv.p = malloc(sizeof(struct driver_private));
-
- #if defined HAVE_GETENV && defined HAVE_PUTENV
- ncurses_check_terminal();
- #endif
-
- #if defined HAVE_SIGNAL
- sigwinch_d = dp;
- signal(SIGWINCH, sigwinch_handler);
- #endif
-
- #if defined HAVE_LOCALE_H
- setlocale(LC_ALL, "");
- #endif
-
- initscr();
- keypad(stdscr, TRUE);
- nonl();
- raw();
- noecho();
- nodelay(stdscr, TRUE);
- curs_set(0);
-
- /* Activate mouse */
- newmask = REPORT_MOUSE_POSITION | ALL_MOUSE_EVENTS;
- mousemask(newmask, &dp->drv.p->oldmask);
- mouseinterval(-1); /* No click emulation */
-
- /* Set the escape delay to a ridiculously low value */
- ESCDELAY = 10;
-
- /* Activate colour */
- start_color();
-
- /* If COLORS == 16, it means the terminal supports full bright colours
- * using setab and setaf (will use \e[90m \e[91m etc. for colours >= 8),
- * we can build 16*16 colour pairs.
- * If COLORS == 8, it means the terminal does not know about bright
- * colours and we need to get them through A_BOLD and A_BLINK (\e[1m
- * and \e[5m). We can only build 8*8 colour pairs. */
- max = COLORS >= 16 ? 16 : 8;
-
- for(bg = 0; bg < max; bg++)
- for(fg = 0; fg < max; fg++)
- {
- /* Use ((max + 7 - fg) % max) instead of fg so that colour 0
- * is light gray on black. Some terminals don't like this
- * colour pair to be redefined. */
- int col = ((max + 7 - fg) % max) + max * bg;
- init_pair(col, curses_colors[fg], curses_colors[bg]);
- dp->drv.p->attr[fg + 16 * bg] = COLOR_PAIR(col);
-
- if(max == 8)
- {
- /* Bright fg on simple bg */
- dp->drv.p->attr[fg + 8 + 16 * bg] = A_BOLD | COLOR_PAIR(col);
- /* Simple fg on bright bg */
- dp->drv.p->attr[fg + 16 * (bg + 8)] = A_BLINK
- | COLOR_PAIR(col);
- /* Bright fg on bright bg */
- dp->drv.p->attr[fg + 8 + 16 * (bg + 8)] = A_BLINK | A_BOLD
- | COLOR_PAIR(col);
- }
- }
-
- _cucul_set_canvas_size(dp->cv, COLS, LINES);
-
- return 0;
- }
-
- static int ncurses_end_graphics(caca_display_t *dp)
- {
- mousemask(dp->drv.p->oldmask, NULL);
- curs_set(1);
- noraw();
- endwin();
-
- free(dp->drv.p);
-
- return 0;
- }
-
- static int ncurses_set_display_title(caca_display_t *dp, char const *title)
- {
- return -1;
- }
-
- static unsigned int ncurses_get_display_width(caca_display_t *dp)
- {
- /* Fallback to a 6x10 font */
- return dp->cv->width * 6;
- }
-
- static unsigned int ncurses_get_display_height(caca_display_t *dp)
- {
- /* Fallback to a 6x10 font */
- return dp->cv->height * 10;
- }
-
- static void ncurses_display(caca_display_t *dp)
- {
- int x, y;
- uint32_t *attrs = dp->cv->attrs;
- uint32_t *chars = dp->cv->chars;
- for(y = 0; y < (int)dp->cv->height; y++)
- {
- move(y, 0);
- for(x = dp->cv->width; x--; )
- {
- attrset(dp->drv.p->attr[cucul_attr_to_ansi(*attrs++)]);
- ncurses_write_utf32(*chars++);
- }
- }
- refresh();
- }
-
- static void ncurses_handle_resize(caca_display_t *dp)
- {
- struct winsize size;
-
- #if defined HAVE_SYS_IOCTL_H
- if(ioctl(fileno(stdout), TIOCGWINSZ, &size) == 0)
- {
- dp->resize.w = size.ws_col;
- dp->resize.h = size.ws_row;
- #if defined HAVE_RESIZE_TERM
- resize_term(dp->resize.h, dp->resize.w);
- #else
- resizeterm(*dp->resize.h, *dp->resize.w);
- #endif
- wrefresh(curscr);
- return;
- }
- #endif
-
- /* Fallback */
- dp->resize.w = dp->cv->width;
- dp->resize.h = dp->cv->height;
- }
-
- static int ncurses_get_event(caca_display_t *dp, caca_event_t *ev)
- {
- int intkey;
-
- intkey = getch();
- if(intkey == ERR)
- {
- ev->type = CACA_EVENT_NONE;
- return 0;
- }
-
- if(intkey < 0x7f)
- {
- ev->type = CACA_EVENT_KEY_PRESS;
- ev->data.key.ch = intkey;
- ev->data.key.utf32 = intkey;
- ev->data.key.utf8[0] = intkey;
- ev->data.key.utf8[1] = '\0';
- return 1;
- }
-
- /* If the key was UTF-8, parse the whole sequence */
- if(intkey >= 0x80 && intkey < 0x100)
- {
- int keys[7]; /* Necessary for ungetch(); */
- char utf8[7];
- uint32_t utf32;
- unsigned int i, bytes = 0;
-
- keys[0] = intkey;
- utf8[0] = intkey;
-
- for(i = 1; i < 6; i++)
- {
- keys[i] = getch();
- utf8[i] = (unsigned char)keys[i];
- }
-
- utf8[i] = '\0';
- utf32 = cucul_utf8_to_utf32(utf8, &bytes);
-
- while(i > bytes)
- ungetch(keys[--i]);
-
- if(bytes)
- {
- ev->type = CACA_EVENT_KEY_PRESS;
- ev->data.key.ch = 0;
- ev->data.key.utf32 = utf32;
- strcpy(ev->data.key.utf8, utf8);
- return 1;
- }
- }
-
- if(intkey == KEY_MOUSE)
- {
- MEVENT mevent;
- getmouse(&mevent);
-
- switch(mevent.bstate)
- {
- #define PRESS(x) ev->data.mouse.button = x; \
- ev->type = CACA_EVENT_MOUSE_PRESS; _push_event(dp, ev)
- #define RELEASE(x) ev->data.mouse.button = x; \
- ev->type = CACA_EVENT_MOUSE_RELEASE; _push_event(dp, ev)
- #define CLICK(x) PRESS(x); RELEASE(x)
- case BUTTON1_PRESSED: PRESS(1); break;
- case BUTTON1_RELEASED: RELEASE(1); break;
- case BUTTON1_CLICKED: CLICK(1); break;
- case BUTTON1_DOUBLE_CLICKED: CLICK(1); CLICK(1); break;
- case BUTTON1_TRIPLE_CLICKED: CLICK(1); CLICK(1); CLICK(1); break;
- case BUTTON1_RESERVED_EVENT: break;
-
- case BUTTON2_PRESSED: PRESS(2); break;
- case BUTTON2_RELEASED: RELEASE(2); break;
- case BUTTON2_CLICKED: CLICK(2); break;
- case BUTTON2_DOUBLE_CLICKED: CLICK(2); CLICK(2); break;
- case BUTTON2_TRIPLE_CLICKED: CLICK(2); CLICK(2); CLICK(2); break;
- case BUTTON2_RESERVED_EVENT: break;
-
- case BUTTON3_PRESSED: PRESS(3); break;
- case BUTTON3_RELEASED: RELEASE(3); break;
- case BUTTON3_CLICKED: CLICK(3); break;
- case BUTTON3_DOUBLE_CLICKED: CLICK(3); CLICK(3); break;
- case BUTTON3_TRIPLE_CLICKED: CLICK(3); CLICK(3); CLICK(3); break;
- case BUTTON3_RESERVED_EVENT: break;
-
- case BUTTON4_PRESSED: PRESS(4); break;
- case BUTTON4_RELEASED: RELEASE(4); break;
- case BUTTON4_CLICKED: CLICK(4); break;
- case BUTTON4_DOUBLE_CLICKED: CLICK(4); CLICK(4); break;
- case BUTTON4_TRIPLE_CLICKED: CLICK(4); CLICK(4); CLICK(4); break;
- case BUTTON4_RESERVED_EVENT: break;
-
- default:
- break;
- #undef PRESS
- #undef RELEASE
- #undef CLICK
- }
-
- if(dp->mouse.x == (unsigned int)mevent.x &&
- dp->mouse.y == (unsigned int)mevent.y)
- return _pop_event(dp, ev);
-
- dp->mouse.x = mevent.x;
- dp->mouse.y = mevent.y;
-
- ev->type = CACA_EVENT_MOUSE_MOTION;
- ev->data.mouse.x = dp->mouse.x;
- ev->data.mouse.y = dp->mouse.y;
- return 1;
- }
-
- switch(intkey)
- {
- case KEY_UP: ev->data.key.ch = CACA_KEY_UP; break;
- case KEY_DOWN: ev->data.key.ch = CACA_KEY_DOWN; break;
- case KEY_LEFT: ev->data.key.ch = CACA_KEY_LEFT; break;
- case KEY_RIGHT: ev->data.key.ch = CACA_KEY_RIGHT; break;
-
- case KEY_IC: ev->data.key.ch = CACA_KEY_INSERT; break;
- case KEY_DC: ev->data.key.ch = CACA_KEY_DELETE; break;
- case 0x7f:
- case KEY_BACKSPACE: ev->data.key.ch = CACA_KEY_BACKSPACE; break;
- case KEY_HOME: ev->data.key.ch = CACA_KEY_HOME; break;
- case KEY_END: ev->data.key.ch = CACA_KEY_END; break;
- case KEY_PPAGE: ev->data.key.ch = CACA_KEY_PAGEUP; break;
- case KEY_NPAGE: ev->data.key.ch = CACA_KEY_PAGEDOWN; break;
-
- case KEY_F(1): ev->data.key.ch = CACA_KEY_F1; break;
- case KEY_F(2): ev->data.key.ch = CACA_KEY_F2; break;
- case KEY_F(3): ev->data.key.ch = CACA_KEY_F3; break;
- case KEY_F(4): ev->data.key.ch = CACA_KEY_F4; break;
- case KEY_F(5): ev->data.key.ch = CACA_KEY_F5; break;
- case KEY_F(6): ev->data.key.ch = CACA_KEY_F6; break;
- case KEY_F(7): ev->data.key.ch = CACA_KEY_F7; break;
- case KEY_F(8): ev->data.key.ch = CACA_KEY_F8; break;
- case KEY_F(9): ev->data.key.ch = CACA_KEY_F9; break;
- case KEY_F(10): ev->data.key.ch = CACA_KEY_F10; break;
- case KEY_F(11): ev->data.key.ch = CACA_KEY_F11; break;
- case KEY_F(12): ev->data.key.ch = CACA_KEY_F12; break;
-
- default:
- /* Unknown key */
- ev->type = CACA_EVENT_NONE; return 0;
- }
-
- ev->type = CACA_EVENT_KEY_PRESS;
- ev->data.key.utf32 = 0;
- ev->data.key.utf8[0] = '\0';
- return 1;
- }
-
- /*
- * XXX: following functions are local
- */
-
- #if defined HAVE_SIGNAL
- static RETSIGTYPE sigwinch_handler(int sig)
- {
- sigwinch_d->resize.resized = 1;
-
- signal(SIGWINCH, sigwinch_handler);
- }
- #endif
-
- #if defined HAVE_GETENV && defined HAVE_PUTENV
- static void ncurses_check_terminal(void)
- {
- char *term, *colorterm;
-
- term = getenv("TERM");
- colorterm = getenv("COLORTERM");
-
- if(!term || strcmp(term, "xterm"))
- return;
-
- /* If we are using gnome-terminal, it's really a 16 colour terminal.
- * Ditto if we are using xfce4-terminal, or Konsole. */
- if((colorterm && (!strcmp(colorterm, "gnome-terminal")
- || !strcmp(colorterm, "Terminal")))
- || getenv("KONSOLE_DCOP_SESSION"))
- {
- SCREEN *screen;
- screen = newterm("xterm-16color", stdout, stdin);
- if(screen == NULL)
- return;
- endwin();
- (void)putenv("TERM=xterm-16color");
- return;
- }
- }
- #endif
-
- static void ncurses_write_utf32(uint32_t ch)
- {
- #if defined HAVE_NCURSESW_NCURSES_H
- char buf[10];
- int bytes;
- #endif
-
- if(ch == CUCUL_MAGIC_FULLWIDTH)
- return;
-
- #if defined HAVE_NCURSESW_NCURSES_H
- bytes = cucul_utf32_to_utf8(buf, ch);
- buf[bytes] = '\0';
- addstr(buf);
- #else
- addch(ch < 0x80 ? ch : '?');
- #endif
- }
-
- /*
- * Driver initialisation
- */
-
- int ncurses_install(caca_display_t *dp)
- {
- dp->drv.driver = CACA_DRIVER_NCURSES;
-
- dp->drv.init_graphics = ncurses_init_graphics;
- dp->drv.end_graphics = ncurses_end_graphics;
- dp->drv.set_display_title = ncurses_set_display_title;
- dp->drv.get_display_width = ncurses_get_display_width;
- dp->drv.get_display_height = ncurses_get_display_height;
- dp->drv.display = ncurses_display;
- dp->drv.handle_resize = ncurses_handle_resize;
- dp->drv.get_event = ncurses_get_event;
- dp->drv.set_mouse = NULL;
-
- return 0;
- }
-
- #endif /* USE_NCURSES */
-
|