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feat: added faint-opacity option (#8472)

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This pull request adds the `--faint-opacity` option, as discussed in
#7637.

The default value of the option is also changed from `0.68` to `0.5` for
greater consistency with other popular terminal emulators.
This commit is contained in:
Mitchell Hashimoto
2025-08-31 13:45:26 -07:00
committed by GitHub
parent d8578a9ee2 650095e7e9
commit 2009ea511d
2 changed files with 12 additions and 1 deletions
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9
src/config/Config.zig
View File

@@ -3035,6 +3035,13 @@ else
/// Available since Ghostty 1.2.0.
@"bold-color": ?BoldColor = null,
/// The opacity level (opposite of transparency) of the faint text. A value of
/// 1 is fully opaque and a value of 0 is fully transparent. A value less than 0
/// or greater than 1 will be clamped to the nearest valid value.
///
/// Available since Ghostty 1.2.0.
@"faint-opacity": f64 = 0.5,
/// This will be used to set the `TERM` environment variable.
/// HACK: We set this with an `xterm` prefix because vim uses that to enable key
/// protocols (specifically this will enable `modifyOtherKeys`), among other
@@ -4017,6 +4024,8 @@ pub fn finalize(self: *Config) !void {
if (self.@"auto-update-channel" == null) {
self.@"auto-update-channel" = build_config.release_channel;
}
self.@"faint-opacity" = std.math.clamp(self.@"faint-opacity", 0.0, 1.0);
}
/// Callback for src/cli/args.zig to allow us to handle special cases

4
src/renderer/generic.zig
View File

@@ -522,6 +522,7 @@ pub fn Renderer(comptime GraphicsAPI: type) type {
selection_background: ?configpkg.Config.TerminalColor,
selection_foreground: ?configpkg.Config.TerminalColor,
bold_color: ?configpkg.BoldColor,
faint_opacity: u8,
min_contrast: f32,
padding_color: configpkg.WindowPaddingColor,
custom_shaders: configpkg.RepeatablePath,
@@ -584,6 +585,7 @@ pub fn Renderer(comptime GraphicsAPI: type) type {
.background = config.background.toTerminalRGB(),
.foreground = config.foreground.toTerminalRGB(),
.bold_color = config.@"bold-color",
.faint_opacity = @intFromFloat(@ceil(config.@"faint-opacity" * 255)),
.min_contrast = @floatCast(config.@"minimum-contrast"),
.padding_color = config.@"window-padding-color",
@@ -2633,7 +2635,7 @@ pub fn Renderer(comptime GraphicsAPI: type) type {
};
// Foreground alpha for this cell.
const alpha: u8 = if (style.flags.faint) 175 else 255;
const alpha: u8 = if (style.flags.faint) self.config.faint_opacity else 255;
// Set the cell's background color.
{