#include <curses.h>
-/**
- * Indicates whether the underlying terminal device is capable of
- * having colours redefined
- *
- * @ret bool returns boolean
- */
-bool can_change_colour ( void ) {
- return (bool)TRUE;
-}
+struct colour_pair {
+ short fcol;
+ short bcol;
+};
+
+static struct colour_pair cpairs[COLOUR_PAIRS] = {
+ [0] = { COLOUR_WHITE, COLOUR_BLACK },
+};
/**
* Identify the RGB components of a given colour value
* @ret rc return status code
*/
int colour_content ( short colour, short *red, short *green, short *blue ) {
- /* we do not have a particularly large range of colours (3
- primary, 3 secondary and black), so let's just put in a
- basic switch... */
- switch(colour) {
- case COLOUR_BLACK:
- *red = 0; *green = 0; *blue = 0;
- break;
- case COLOUR_BLUE:
- *red = 0; *green = 0; *blue = 1000;
- break;
- case COLOUR_GREEN:
- *red = 0; *green = 1000; *blue = 0;
- break;
- case COLOUR_CYAN:
- *red = 0; *green = 1000; *blue = 1000;
- break;
- case COLOUR_RED:
- *red = 1000; *green = 0; *blue = 0;
- break;
- case COLOUR_MAGENTA:
- *red = 1000; *green = 0; *blue = 1000;
- break;
- case COLOUR_YELLOW:
- *red = 1000; *green = 1000; *blue = 0;
- break;
- }
+ *red = ( ( colour & COLOUR_RED ) ? 1 : 0 );
+ *green = ( ( colour & COLOUR_GREEN ) ? 1 : 0 );
+ *blue = ( ( colour & COLOUR_BLUE ) ? 1 : 0 );
+ return OK;
+}
+
+/**
+ * Initialise colour pair
+ *
+ * @v pair colour pair number
+ * @v fcol foreground colour
+ * @v bcol background colour
+ */
+int init_pair ( short pair, short fcol, short bcol ) {
+ struct colour_pair *cpair;
+
+ if ( ( pair < 1 ) || ( pair >= COLOUR_PAIRS ) )
+ return ERR;
+
+ cpair = &cpairs[pair];
+ cpair->fcol = fcol;
+ cpair->bcol = bcol;
+ return OK;
+}
+
+/**
+ * Get colours of colour pair
+ *
+ * @v pair colour pair number
+ * @ret fcol foreground colour
+ * @ret bcol background colour
+ */
+int pair_content ( short pair, short *fcol, short *bcol ) {
+ struct colour_pair *cpair;
+
+ if ( ( pair < 0 ) || ( pair >= COLOUR_PAIRS ) )
+ return ERR;
+
+ cpair = &cpairs[pair];
+ *fcol = cpair->fcol;
+ *bcol = cpair->bcol;
return OK;
}
/** Curses SCREEN object */
typedef struct _curses_screen {
+ /** Current attribute */
+ attr_t attrs;
+
void ( *init ) ( struct _curses_screen *scr );
void ( *exit ) ( struct _curses_screen *scr );
/**
* @v c character to be written
*/
void ( * putc ) ( struct _curses_screen *scr, chtype c );
+ /**
+ * Pop a character from the keyboard input stream
+ *
+ * @v scr screen on which to operate
+ * @ret c popped character
+ */
+ int ( * getc ) ( struct _curses_screen *scr );
+ /**
+ * Checks to see whether a character is waiting in the input stream
+ *
+ * @v scr screen on which to operate
+ * @ret TRUE character waiting in stream
+ * @ret FALSE no character waiting in stream
+ */
+ bool ( *peek ) ( struct _curses_screen *scr );
} SCREEN;
/** Curses Window struct */
} WINDOW;
extern WINDOW _stdscr;
-extern SCREEN _curscr;
extern unsigned short _COLS;
extern unsigned short _LINES;
-extern unsigned int _COLOURS;
-extern unsigned int _COLOUR_PAIRS;
#define stdscr ( &_stdscr )
-#define curscr ( &_curscr )
#define COLS _COLS
#define LINES _LINES
-#define COLORS _COLOURS
-#define COLOR_PAIRS _COLOUR_PAIRS
#define MUCURSES_BITS( mask, shift ) (( mask ) << (shift))
#define CPAIR_SHIFT 8
#define ATTRS_SHIFT 16
-#define A_DEFAULT ( 1UL - 1UL )
-#define A_ALTCHARSET MUCURSES_BITS( 1UL, ATTRS_SHIFT + 0 )
-#define A_BLINK MUCURSES_BITS( 1UL, ATTRS_SHIFT + 1 )
-#define A_BOLD MUCURSES_BITS( 1UL, ATTRS_SHIFT + 2 )
-#define A_DIM MUCURSES_BITS( 1UL, ATTRS_SHIFT + 3 )
-#define A_INVIS MUCURSES_BITS( 1UL, ATTRS_SHIFT + 4 )
-#define A_PROTECT MUCURSES_BITS( 1UL, ATTRS_SHIFT + 5 )
-#define A_REVERSE MUCURSES_BITS( 1UL, ATTRS_SHIFT + 6 )
-#define A_STANDOUT MUCURSES_BITS( 1UL, ATTRS_SHIFT + 7 )
-#define A_UNDERLINE MUCURSES_BITS( 1UL, ATTRS_SHIFT + 8 )
-
-#define WA_ALTCHARSET A_ALTCHARSET
-#define WA_BLINK A_BLINK
-#define WA_BOLD A_BOLD
-#define WA_DIM A_DIM
-#define WA_INVIS A_INVIS
-#define WA_PROTECT A_PROTECT
-#define WA_REVERSE A_REVERSE
-#define WA_STANDOUT A_STANDOUT
-#define WA_UNDERLINE A_UNDERLINE
-#define WA_HORIZONTAL MUCURSES_BITS( 1UL, ATTRS_SHIFT + 9 )
-#define WA_VERTICAL MUCURSES_BITS( 1UL, ATTRS_SHIFT + 10 )
-#define WA_LEFT MUCURSES_BITS( 1UL, ATTRS_SHIFT + 11 )
-#define WA_RIGHT MUCURSES_BITS( 1UL, ATTRS_SHIFT + 12 )
-#define WA_LOW MUCURSES_BITS( 1UL, ATTRS_SHIFT + 13 )
-#define WA_TOP MUCURSES_BITS( 1UL, ATTRS_SHIFT + 14 )
-
-#define A_ATTRIBUTES ( MUCURSES_BITS( 1UL, ATTRS_SHIFT ) - 1UL )
-#define A_CHARTEXT ( MUCURSES_BITS( 1UL, 0 ) - 1UL )
-#define A_COLOUR MUCURSES_BITS( ( 1UL << 8 ) - 1UL, CPAIR_SHIFT )
+#define WA_DEFAULT ( 0x0000 << ATTRS_SHIFT )
+#define WA_ALTCHARSET ( 0x0001 << ATTRS_SHIFT )
+#define WA_BLINK ( 0x0002 << ATTRS_SHIFT )
+#define WA_BOLD ( 0x0004 << ATTRS_SHIFT )
+#define WA_DIM ( 0x0008 << ATTRS_SHIFT )
+#define WA_INVIS ( 0x0010 << ATTRS_SHIFT )
+#define WA_PROTECT ( 0x0020 << ATTRS_SHIFT )
+#define WA_REVERSE ( 0x0040 << ATTRS_SHIFT )
+#define WA_STANDOUT ( 0x0080 << ATTRS_SHIFT )
+#define WA_UNDERLINE ( 0x0100 << ATTRS_SHIFT )
+#define WA_HORIZONTAL ( 0x0200 << ATTRS_SHIFT )
+#define WA_VERTICAL ( 0x0400 << ATTRS_SHIFT )
+#define WA_LEFT ( 0x0800 << ATTRS_SHIFT )
+#define WA_RIGHT ( 0x1000 << ATTRS_SHIFT )
+#define WA_LOW ( 0x2000 << ATTRS_SHIFT )
+#define WA_TOP ( 0x4000 << ATTRS_SHIFT )
+
+#define A_DEFAULT WA_DEFAULT
+#define A_ALTCHARSET WA_ALTCHARSET
+#define A_BLINK WA_BLINK
+#define A_BOLD WA_BOLD
+#define A_DIM WA_DIM
+#define A_INVIS WA_INVIS
+#define A_PROTECT WA_PROTECT
+#define A_REVERSE WA_REVERSE
+#define A_STANDOUT WA_STANDOUT
+#define A_UNDERLINE WA_UNDERLINE
+
+#define A_ATTRIBUTES ( 0xffff << ATTRS_SHIFT )
+#define A_CHARTEXT ( 0xff )
+#define A_COLOUR ( 0xff << CPAIR_SHIFT )
#define A_COLOR A_COLOUR
+#define COLOUR_PAIR(n) ( (n) << CPAIR_SHIFT )
+#define COLOR_PAIR(n) COLOUR_PAIR(n)
+#define PAIR_NUMBER(attrs) ( ( (attrs) & A_COLOUR ) >> CPAIR_SHIFT )
+
+#define COLOUR_PAIRS 4 /* Arbitrary limit */
+#define COLOR_PAIRS COLOUR_PAIRS
+
#define ACS_ULCORNER '+'
#define ACS_LLCORNER '+'
#define ACS_URCORNER '+'
#define COLOUR_MAGENTA 5
#define COLOUR_CYAN 6
#define COLOUR_WHITE 7
+#define COLOURS 7
#define COLOUR_FG 30
#define COLOUR_BG 40
#define COLOR_MAGENTA COLOUR_MAGENTA
#define COLOR_YELLOW COLOUR_YELLOW
#define COLOR_WHITE COLOUR_WHITE
+#define COLORS COLOURS
/*
* KEY code constants
/*extern int border ( chtype, chtype, chtype, chtype, chtype, chtype, chtype,
chtype );*/
extern int box ( WINDOW *, chtype, chtype );
-extern bool can_change_colour ( void );
+//extern bool can_change_colour ( void );
#define can_change_color() can_change_colour()
extern int cbreak ( void );
//extern int clrtobot ( void );
extern int colour_content ( short, short *, short *, short * );
#define color_content( c, r, g, b ) colour_content( (c), (r), (g), (b) )
//extern int colour_set ( short, void * );
-//#define color_set( cpno, opts ) colour_set( (cpno), (opts) )
+#define color_set( cpno, opts ) colour_set( (cpno), (opts) )
extern int copywin ( const WINDOW *, WINDOW *, int, int, int,
int, int, int, int );
extern int curs_set ( int );
//extern int getnstr ( char *, int );
//extern int getstr ( char * );
extern int halfdelay ( int );
-extern bool has_colors ( void );
+//extern bool has_colors ( void );
extern bool has_ic ( void );
extern bool has_il ( void );
//extern int hline ( chtype, int );
extern int overlay ( const WINDOW *, WINDOW * );
extern int overwrite ( const WINDOW *, WINDOW * );
extern int pair_content ( short, short *, short * );
-extern int PAIR_NUMBER ( int );
//extern int pechochar ( WINDOW *, chtype );
//extern int pnoutrefresh ( WINDOW *, int, int, int, int, int, int );
//extern int prefresh ( WINDOW *, int, int, int, int, int, int );
extern int slk_touch ( void );
extern int standend ( void );
extern int standout ( void );
-extern int start_colour ( void );
+//extern int start_colour ( void );
#define start_color() start_colour()
//extern WINDOW *subpad ( WINDOW *, int, int, int, int );
extern WINDOW *subwin ( WINDOW *, int, int, int, int );
extern int wclrtobot ( WINDOW * );
extern int wclrtoeol ( WINDOW * );
extern void wcursyncup ( WINDOW * );
-//extern int wcolor_set ( WINDOW *, short, void * );
+extern int wcolour_set ( WINDOW *, short, void * );
#define wcolor_set(w,s,v) wcolour_set((w),(s),(v))
extern int wdelch ( WINDOW * );
extern int wdeleteln ( WINDOW * );
return wborder ( stdscr, ls, rs, ts, bs, tl, tr, bl, br );
}
+static inline bool can_change_colour ( void ) {
+ return FALSE;
+}
+
static inline int clrtobot ( void ) {
return wclrtobot( stdscr );
}
return wclrtoeol( stdscr );
}
+static inline int colour_set ( short colour_pair_number, void *opts ) {
+ return wcolour_set ( stdscr, colour_pair_number, opts );
+}
+
static inline int delch ( void ) {
return wdelch ( stdscr );
}
return wgetnstr ( stdscr, str, -1 );
}
+static inline bool has_colors ( void ) {
+ return TRUE;
+}
+
static inline int hline ( chtype ch, int n ) {
return whline ( stdscr, ch, n );
}
#define standend() wstandend( stdscr )
#define standout() wstandout( stdscr )
+static inline int start_colour ( void ) {
+ return OK;
+}
+
static inline int vline ( chtype ch, int n ) {
return wvline ( stdscr, ch, n );
}