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tui: Add support for true color terminals

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This is enabled by setting the `$NVIM_TUI_ENABLE_TRUE_COLOR` environment
variable, eg:

```
$ NVIM_TUI_ENABLE_TRUE_COLOR=1 nvim
```
This commit is contained in:
Thiago de Arruda 2015-03-19 19:00:19 -03:00
parent 29b6fc57e8
commit 8dd415e887
1 changed files with 32 additions and 8 deletions
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40
src/nvim/tui/tui.c
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@ -57,6 +57,7 @@ typedef struct {
int enable_mouse, disable_mouse;
int enable_bracketed_paste, disable_bracketed_paste;
int enter_insert_mode, exit_insert_mode;
int set_rgb_foreground, set_rgb_background;
} unibi_ext;
} TUIData;
@ -135,7 +136,7 @@ void tui_start(void)
data->winch_handle.data = ui;
ui->stop = tui_stop;
ui->rgb = false;
ui->rgb = os_getenv("NVIM_TUI_ENABLE_TRUE_COLOR") != NULL;
ui->data = data;
ui->resize = tui_resize;
ui->clear = tui_clear;
@ -231,14 +232,33 @@ static void update_attrs(UI *ui, HlAttrs attrs)
data->print_attrs = attrs;
unibi_out(ui, unibi_exit_attribute_mode);
data->params[0].i = attrs.foreground != -1 ? attrs.foreground : data->fg;
if (data->params[0].i != -1) {
unibi_out(ui, unibi_set_a_foreground);
}
int fg = attrs.foreground != -1 ? attrs.foreground : data->fg;
int bg = attrs.background != -1 ? attrs.background : data->bg;
data->params[0].i = attrs.background != -1 ? attrs.background : data->bg;
if (data->params[0].i != -1) {
unibi_out(ui, unibi_set_a_background);
if (ui->rgb) {
if (fg != -1) {
data->params[0].i = (fg >> 16) & 0xff; // red
data->params[1].i = (fg >> 8) & 0xff; // green
data->params[2].i = fg & 0xff; // blue
unibi_out(ui, data->unibi_ext.set_rgb_foreground);
}
if (bg != -1) {
data->params[0].i = (bg >> 16) & 0xff; // red
data->params[1].i = (bg >> 8) & 0xff; // green
data->params[2].i = bg & 0xff; // blue
unibi_out(ui, data->unibi_ext.set_rgb_background);
}
} else {
if (fg != -1) {
data->params[0].i = fg;
unibi_out(ui, unibi_set_a_foreground);
}
if (bg != -1) {
data->params[0].i = bg;
unibi_out(ui, unibi_set_a_background);
}
}
if (attrs.bold) {
@ -769,6 +789,10 @@ end:
"\x1b[?1002h\x1b[?1006h");
data->unibi_ext.disable_mouse = (int)unibi_add_ext_str(ut, NULL,
"\x1b[?1002l\x1b[?1006l");
data->unibi_ext.set_rgb_foreground = (int)unibi_add_ext_str(ut, NULL,
"\x1b[38;2;%p1%d;%p2%d;%p3%dm");
data->unibi_ext.set_rgb_background = (int)unibi_add_ext_str(ut, NULL,
"\x1b[48;2;%p1%d;%p2%d;%p3%dm");
unibi_set_if_empty(ut, unibi_cursor_address, "\x1b[%i%p1%d;%p2%dH");
unibi_set_if_empty(ut, unibi_exit_attribute_mode, "\x1b[0;10m");
unibi_set_if_empty(ut, unibi_set_a_foreground, XTERM_SETAF);