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Support for RGB colour, using the extended cell mechanism to avoid

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wasting unnecessary space. The 'Tc' flag must be set in the external
TERM entry (using terminal-overrides or a custom terminfo entry), if not
tmux will map to the closest of the 256 or 16 colour palettes.

Mostly from Suraj N Kurapati, based on a diff originally by someone else.
This commit is contained in:
nicm
2016-01-29 11:13:56 +00:00
parent b5b5221c13
commit 427b820426
6 changed files with 209 additions and 55 deletions
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20
tmux.h
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@ -385,6 +385,7 @@ enum tty_code_code {
TTYC_SMSO, /* enter_standout_mode, so */
TTYC_SMUL, /* enter_underline_mode, us */
TTYC_SS, /* set cursor style, Ss */
TTYC_TC, /* 24-bit "true" colour, Tc */
TTYC_TSL, /* to_status_line, tsl */
TTYC_VPA, /* row_address, cv */
TTYC_XENL, /* eat_newline_glitch, xn */
@ -641,16 +642,31 @@ enum utf8_state {
#define GRID_FLAG_BG256 0x2
#define GRID_FLAG_PADDING 0x4
#define GRID_FLAG_EXTENDED 0x8
#define GRID_FLAG_FGRGB 0x10
#define GRID_FLAG_BGRGB 0x20
/* Grid line flags. */
#define GRID_LINE_WRAPPED 0x1
/* Grid cell RGB colours. */
struct grid_cell_rgb {
u_char r;
u_char g;
u_char b;
};
/* Grid cell data. */
struct grid_cell {
u_char flags;
u_char attr;
u_char fg;
u_char bg;
union {
u_char fg;
struct grid_cell_rgb fg_rgb;
};
union {
u_char bg;
struct grid_cell_rgb bg_rgb;
};
struct utf8_data data;
};