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config: grapheme-width-method sets mode 2027

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Fixes #1403

This changes the behavior of `grapheme-width-method = unicode` to change
the default state of mode 2027 to true. Prior to this, setting this
config would force grapheme clustering regardless of mode 2027. Now,
this only sets the default and running TUI programs can disable it if
they want.
This commit is contained in:
Mitchell Hashimoto
2024-02-02 12:13:13 -08:00
parent cabd2d572d
commit eb653907d6
3 changed files with 10 additions and 14 deletions
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10
src/termio/Exec.zig
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@@ -135,7 +135,13 @@ pub fn init(alloc: Allocator, opts: termio.Options) !Exec {
errdefer term.deinit(alloc);
term.default_palette = opts.config.palette;
term.color_palette.colors = opts.config.palette;
term.flags.default_grapheme_cluster = opts.config.grapheme_width_method == .unicode;
// Setup our initial grapheme cluster support if enabled. We use a
// switch to ensure we get a compiler error if more cases are added.
switch (opts.config.grapheme_width_method) {
.unicode => term.modes.set(.grapheme_cluster, true),
.wcswidth => {},
}
// Set the image size limits
try term.screen.kitty_images.setLimit(alloc, opts.config.image_storage_limit);
@@ -373,8 +379,6 @@ pub fn changeConfig(self: *Exec, config: *DerivedConfig) !void {
// - command, working-directory: we never restart the underlying
// process so we don't care or need to know about these.
self.terminal.flags.default_grapheme_cluster = config.grapheme_width_method == .unicode;
// Update the default palette. Note this will only apply to new colors drawn
// since we decode all palette colors to RGB on usage.
self.terminal.default_palette = config.palette;