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term: implement platform-independent console text colour/formatting

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max 🍓
2024-11-14 22:01:40 +00:00
parent b260159fae
commit 9ac204e84e
5 changed files with 347 additions and 25 deletions
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66
term/sys/windows/print.c
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@@ -1,6 +1,7 @@
#include <stdio.h>
#include <string.h>
#include <Windows.h>
#include "../../print.h"
int z__b_stream_is_tty(FILE *fp)
{
@@ -22,11 +23,11 @@ int z__b_stream_dimensions(FILE *fp, unsigned int *w, unsigned int *h)
}
if (w) {
*w = csbi.dwMaximumWindowSize.X;
*w = csbi.srWindow.Right - csbi.srWindow.Left;
}
if (h) {
*h = csbi.dwMaximumWindowSize.Y;
*h = csbi.srWindow.Bottom - csbi.srWindow.Top;
}
return 0;
@@ -37,6 +38,7 @@ int z__b_stream_cursorpos(FILE *in, FILE *out, unsigned int *x, unsigned int *y)
CONSOLE_SCREEN_BUFFER_INFO csbi;
HANDLE console = (HANDLE)_get_osfhandle(fileno(in));
BOOL status = GetConsoleScreenBufferInfo(console, &csbi);
if (status == FALSE) {
return -1;
@@ -52,3 +54,63 @@ int z__b_stream_cursorpos(FILE *in, FILE *out, unsigned int *x, unsigned int *y)
return 0;
}
#define APPLY_FLAG(mod, attrib, x, y) \
if ((mod) & (x)) { \
(attrib) |= (y); \
}
#define APPLY_FLAG_X(mod, attrib, x, y) \
if ((mod) & (x)) { \
(attrib) |= (y); \
} else { \
(attrib) &= ~(y); \
}
int z__b_stream_set_modifier(FILE *fp, unsigned int mod)
{
WORD attrib = 0;
CONSOLE_SCREEN_BUFFER_INFO csbi;
HANDLE console = (HANDLE)_get_osfhandle(fileno(fp));
BOOL status = GetConsoleScreenBufferInfo(console, &csbi);
if (status == FALSE) {
return -1;
}
attrib = csbi.wAttributes;
if (mod & Z__B_STREAM_MOD_RESET) {
attrib = FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE;
SetConsoleTextAttribute(console, attrib);
return 0;
}
if (Z__B_STREAM_MOD_GET_FG_COLOUR(mod) != 0) {
if (mod & Z__B_STREAM_MOD_BLACK) {
attrib &= ~(FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE);
} else {
APPLY_FLAG_X(mod, attrib, Z__B_STREAM_MOD_RED, FOREGROUND_RED);
APPLY_FLAG_X(mod, attrib, Z__B_STREAM_MOD_GREEN, FOREGROUND_GREEN);
APPLY_FLAG_X(mod, attrib, Z__B_STREAM_MOD_BLUE, FOREGROUND_BLUE);
}
}
if (Z__B_STREAM_MOD_GET_BG_COLOUR(mod) != 0) {
if (mod & Z__B_STREAM_MOD_BG_BLACK) {
attrib &= ~(BACKGROUND_RED | BACKGROUND_GREEN | BACKGROUND_BLUE);
} else {
APPLY_FLAG_X(mod, attrib, Z__B_STREAM_MOD_BG_RED, BACKGROUND_RED);
APPLY_FLAG_X(mod, attrib, Z__B_STREAM_MOD_BG_GREEN, BACKGROUND_GREEN);
APPLY_FLAG_X(mod, attrib, Z__B_STREAM_MOD_BG_BLUE, BACKGROUND_BLUE);
}
}
APPLY_FLAG(mod, attrib, Z__B_STREAM_MOD_ULINE, COMMON_LVB_UNDERSCORE);
APPLY_FLAG(mod, attrib, Z__B_STREAM_MOD_INVERT, COMMON_LVB_REVERSE_VIDEO);
APPLY_FLAG(mod, attrib, Z__B_STREAM_MOD_BRIGHT | Z__B_STREAM_MOD_BOLD, FOREGROUND_INTENSITY);
SetConsoleTextAttribute(console, attrib);
return 0;
}