284 lines
6.5 KiB
C
284 lines
6.5 KiB
C
/* ncurses.c */
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/* Copyright 1999 - Joseph Pranevich */
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#include <stdio.h>
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#include "config.h"
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#include "console.h" /* Must define WINE_NCURSES */
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#ifdef WINE_NCURSES
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/* This is the console driver for systems that support the ncurses
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interface.
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*/
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/* Actually, this should work for curses, as well. But there may be
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individual functions that are unsupported in plain curses or other
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variants. Those should be detected and special-cased by autoconf.
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*/
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/* When creating new drivers, you need to assign all the functions that
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that driver supports into the driver struct. If it is a supplementary
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driver, it should make sure to perserve the old values.
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*/
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#include "debugtools.h"
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#include "options.h"
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DEFAULT_DEBUG_CHANNEL(console)
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#undef ERR /* Use ncurses's err() */
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#ifdef HAVE_NCURSES_H
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# include <ncurses.h>
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#else
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# ifdef HAVE_CURSES_H
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# include <curses.h>
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# endif
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#endif
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SCREEN *ncurses_screen;
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static int get_color_pair(int fg_color, int bg_color);
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const char *color_names[] = {"null", "black", "blue", "green",
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"cyan", "magenta", "brown", "red", "light gray", "dark gray",
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"light blue", "light green", "light red", "light magenta",
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"light cyan", "yellow", "white"};
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void NCURSES_Start()
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{
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/* This should be the root driver so we can ignore anything
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already in the struct. */
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driver.norefresh = FALSE;
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driver.init = NCURSES_Init;
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driver.write = NCURSES_Write;
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driver.close = NCURSES_Close;
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driver.moveCursor = NCURSES_MoveCursor;
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driver.getCursorPosition = NCURSES_GetCursorPosition;
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driver.getCharacterAtCursor = NCURSES_GetCharacterAtCursor;
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driver.clearScreen = NCURSES_ClearScreen;
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driver.allocColor = NCURSES_AllocColor;
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#ifdef HAVE_GETBKGD
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driver.setBackgroundColor = NCURSES_SetBackgroundColor;
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#endif
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#ifdef HAVE_RESIZETERM
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driver.notifyResizeScreen = NCURSES_NotifyResizeScreen;
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#endif /* HAVE_RESIZETERM */
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driver.checkForKeystroke = NCURSES_CheckForKeystroke;
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driver.getKeystroke = NCURSES_GetKeystroke;
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driver.refresh = NCURSES_Refresh;
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}
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void NCURSES_Init()
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{
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char terminal_type[80];
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PROFILE_GetWineIniString("console", "TerminalType",
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"xterm", terminal_type, 79);
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ncurses_screen = newterm(terminal_type, driver.console_out,
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driver.console_in);
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set_term(ncurses_screen);
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start_color();
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raw();
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noecho();
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nonl();
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intrflush(stdscr, FALSE);
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keypad(stdscr, TRUE);
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nodelay(stdscr, TRUE);
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}
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void NCURSES_Write(char output, int fg, int bg, int attribute)
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{
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char row, col;
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int pair;
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if (!fg)
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fg = COLOR_WHITE; /* Default */
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if (!bg)
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bg = COLOR_BLACK; /* Default */
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pair = get_color_pair(fg, bg);
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if (waddch(stdscr, output | COLOR_PAIR(pair)) == ERR)
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{
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NCURSES_GetCursorPosition(&row, &col);
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FIXME("NCURSES: waddch() failed at %d, %d.\n", row, col);
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}
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}
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void NCURSES_Close()
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{
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endwin();
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}
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void NCURSES_GetKeystroke(char *scan, char *ascii)
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{
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while (!NCURSES_CheckForKeystroke(scan, ascii))
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{} /* Wait until keystroke is detected */
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/* When it is detected, we will already have the right value
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in scan and ascii, but we need to take this keystroke
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out of the buffer. */
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wgetch(stdscr);
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}
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int NCURSES_CheckForKeystroke(char *scan, char *ascii)
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{
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/* We don't currently support scan codes here */
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/* FIXME */
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int temp;
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temp = wgetch(stdscr);
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if (temp == ERR)
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{
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return FALSE;
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}
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else
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{
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ungetch(temp); /* Keystroke not removed from buffer */
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*ascii = (char) temp;
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return TRUE;
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}
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}
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void NCURSES_MoveCursor(char row, char col)
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{
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if (wmove(stdscr, row, col) == ERR)
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FIXME("NCURSES: wmove() failed to %d, %d.\n", row, col);
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}
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void NCURSES_GetCursorPosition(char *row, char *col)
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{
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int trow, tcol;
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getyx(stdscr, trow, tcol); /* MACRO, no need to pass pointer */
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*row = (char) trow;
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*col = (char) tcol;
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}
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void NCURSES_GetCharacterAtCursor(char *ch, int *fg_color, int
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*bg_color, int *attribute)
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{
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/* If any of the pointers are NULL, ignore them */
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/* We will eventually have to convert the color data */
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if (ch)
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*ch = (char) winch(stdscr);
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if (fg_color)
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*fg_color = WINE_WHITE;
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if (bg_color)
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*bg_color = WINE_BLACK;
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if (attribute)
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*attribute = 0;
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};
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void NCURSES_Refresh()
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{
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wrefresh(stdscr);
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}
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void NCURSES_ClearScreen()
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{
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werase(stdscr);
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}
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int NCURSES_AllocColor(int color)
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{
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/* Currently support only internal colors */
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switch (color)
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{
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case WINE_BLACK: return COLOR_BLACK;
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case WINE_WHITE: return COLOR_WHITE;
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case WINE_RED: return COLOR_RED;
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case WINE_GREEN: return COLOR_GREEN;
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case WINE_YELLOW: return COLOR_YELLOW;
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case WINE_BLUE: return COLOR_BLUE;
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case WINE_MAGENTA: return COLOR_MAGENTA;
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case WINE_CYAN: return COLOR_CYAN;
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}
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FIXME("Unable to allocate color %d (%s)\n", color,
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color_names[color]);
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/* Don't allocate a color... yet */
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return 0;
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}
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void NCURSES_SetBackgroundColor(int fg, int bg)
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{
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int pair;
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pair = get_color_pair(fg, bg);
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wbkgd(stdscr, COLOR_PAIR(pair));
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}
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#ifdef HAVE_GETBKGD
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void NCURSES_GetBackgroundColor(int *fg, int *bg)
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{
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chtype background;
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short pair, sfg, sbg;
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background = getbkgd(stdscr);
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pair = (!A_CHARTEXT & background);
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pair_content(pair, &sfg, &sbg);
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*fg = sfg;
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*bg = sbg;
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}
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#endif /* HAVE_GETBKGD */
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#ifdef HAVE_RESIZETERM
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void NCURSES_NotifyResizeScreen(int x, int y)
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{
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/* Note: This function gets called *after* another driver in the chain
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calls ResizeScreen(). It is meant to resize the ncurses internal
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data structures to know about the new window dimensions. */
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TRACE("Terminal resized to y: %d, x: %d\n", y, x);
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resizeterm(y, x);
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}
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#endif /* HAVE_RESIZETERM */
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static int get_color_pair(int fg_color, int bg_color)
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{
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/* ncurses internally uses "color pairs" in addition to the "pallet" */
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/* This isn't the best way to do this. Or even close */
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static int current = 0;
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static int fg[255]; /* 16 x 16 is enough */
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static int bg[255];
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int x;
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/* The first pair is hardwired into ncurses */
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fg[0] = COLOR_WHITE;
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bg[0] = COLOR_BLACK;
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for (x = 0; x <= current; x++)
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{
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if ((fg_color == fg[x]) && (bg_color == bg[x]))
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{
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TRACE("Color pair: already allocated\n");
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return x;
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}
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}
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/* Need to allocate new color */
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current++;
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fg[current] = fg_color;
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bg[current] = bg_color;
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TRACE("Color pair: allocated.\n");
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return init_pair(current, fg_color, bg_color);
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}
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#endif /* WINE_NCURSES */
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