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-rw-r--r--helix-term/src/application.rs28
-rw-r--r--helix-term/src/commands.rs14
-rw-r--r--helix-term/src/lib.rs6
-rw-r--r--helix-term/src/ui/mod.rs1
4 files changed, 38 insertions, 11 deletions
diff --git a/helix-term/src/application.rs b/helix-term/src/application.rs
index 90330751..3e0b6d59 100644
--- a/helix-term/src/application.rs
+++ b/helix-term/src/application.rs
@@ -76,17 +76,27 @@ impl Application {
None => Ok(def_lang_conf),
};
- let theme = if let Some(theme) = &config.theme {
- match theme_loader.load(theme) {
- Ok(theme) => theme,
- Err(e) => {
- log::warn!("failed to load theme `{}` - {}", theme, e);
+ let true_color = config.editor.true_color || crate::true_color();
+ let theme = config
+ .theme
+ .as_ref()
+ .and_then(|theme| {
+ theme_loader
+ .load(theme)
+ .map_err(|e| {
+ log::warn!("failed to load theme `{}` - {}", theme, e);
+ e
+ })
+ .ok()
+ .filter(|theme| (true_color || theme.is_16_color()))
+ })
+ .unwrap_or_else(|| {
+ if true_color {
theme_loader.default()
+ } else {
+ theme_loader.base16_default()
}
- }
- } else {
- theme_loader.default()
- };
+ });
let syn_loader_conf: helix_core::syntax::Configuration = lang_conf
.and_then(|conf| conf.try_into())
diff --git a/helix-term/src/commands.rs b/helix-term/src/commands.rs
index 0ae225e9..22c23043 100644
--- a/helix-term/src/commands.rs
+++ b/helix-term/src/commands.rs
@@ -2366,8 +2366,18 @@ pub mod cmd {
args: &[Cow<str>],
_event: PromptEvent,
) -> anyhow::Result<()> {
- let theme = args.first().context("theme not provided")?;
- cx.editor.set_theme_from_name(theme)
+ let theme = args.first().context("Theme not provided")?;
+ let theme = cx
+ .editor
+ .theme_loader
+ .load(theme)
+ .with_context(|| format!("Failed setting theme {}", theme))?;
+ let true_color = cx.editor.config.true_color || crate::true_color();
+ if !(true_color || theme.is_16_color()) {
+ bail!("Unsupported theme: theme requires true color support");
+ }
+ cx.editor.set_theme(theme);
+ Ok(())
}
fn yank_main_selection_to_clipboard(
diff --git a/helix-term/src/lib.rs b/helix-term/src/lib.rs
index f5e3a8cd..4fe76cd5 100644
--- a/helix-term/src/lib.rs
+++ b/helix-term/src/lib.rs
@@ -9,3 +9,9 @@ pub mod config;
pub mod job;
pub mod keymap;
pub mod ui;
+
+fn true_color() -> bool {
+ std::env::var("COLORTERM")
+ .map(|v| matches!(v.as_str(), "truecolor" | "24bit"))
+ .unwrap_or(false)
+}
diff --git a/helix-term/src/ui/mod.rs b/helix-term/src/ui/mod.rs
index cdf42311..f57e2e2b 100644
--- a/helix-term/src/ui/mod.rs
+++ b/helix-term/src/ui/mod.rs
@@ -186,6 +186,7 @@ pub mod completers {
&helix_core::config_dir().join("themes"),
));
names.push("default".into());
+ names.push("base16_default".into());
let mut names: Vec<_> = names
.into_iter()