config: add fallback output mode

toml-config/src/config/parsers.rs

@@ -21,6 +21,7 @@ mod drm_device;
 mod drm_device_match;
 mod env;
 pub mod exec;
+mod fallback_output_mode;
 pub mod float;
 pub mod focus_history;
 mod format;

toml-config/src/config/parsers/config.rs

@@ -15,6 +15,7 @@ use {
                 drm_device::DrmDevicesParser,
                 drm_device_match::DrmDeviceMatchParser,
                 env::EnvParser,
+                fallback_output_mode::FallbackOutputModeParser,
                 float::FloatParser,
                 focus_history::FocusHistoryParser,
                 gfx_api::GfxApiParser,
@@ -147,6 +148,7 @@ impl Parser for ConfigParser<'_> {
                 auto_reload,
                 simple_im_val,
                 show_titles,
+                fallback_output_mode_val,
             ),
         ) = ext.extract((
             (
@@ -204,6 +206,7 @@ impl Parser for ConfigParser<'_> {
                 recover(opt(bol("auto-reload"))),
                 opt(val("simple-im")),
                 recover(opt(bol("show-titles"))),
+                opt(val("fallback-output-mode")),
             ),
         ))?;
         let mut keymap = None;
@@ -524,6 +527,18 @@ impl Parser for ConfigParser<'_> {
                 }
             }
         }
+        let mut fallback_output_mode = None;
+        if let Some(value) = fallback_output_mode_val {
+            match value.parse(&mut FallbackOutputModeParser) {
+                Ok(v) => fallback_output_mode = Some(v),
+                Err(e) => {
+                    log::warn!(
+                        "Could not parse the fallback output mode: {}",
+                        self.0.error(e)
+                    );
+                }
+            }
+        }
         Ok(Config {
             keymap,
             repeat_rate,
@@ -570,6 +585,7 @@ impl Parser for ConfigParser<'_> {
             input_modes,
             workspace_display_order,
             simple_im,
+            fallback_output_mode,
         })
     }
 }

toml-config/src/config/parsers/fallback_output_mode.rs

@@ -0,0 +1,38 @@
+use {
+    crate::{
+        config::parser::{DataType, ParseResult, Parser, UnexpectedDataType},
+        toml::toml_span::{Span, SpannedExt},
+    },
+    jay_config::input::FallbackOutputMode,
+    thiserror::Error,
+};
+
+pub struct FallbackOutputModeParser;
+
+#[derive(Debug, Error)]
+pub enum FallbackOutputModeParserError {
+    #[error(transparent)]
+    DataType(#[from] UnexpectedDataType),
+    #[error("Unknown mode {0}")]
+    Unknown(String),
+}
+
+impl Parser for FallbackOutputModeParser {
+    type Value = FallbackOutputMode;
+    type Error = FallbackOutputModeParserError;
+    const EXPECTED: &'static [DataType] = &[DataType::String];
+
+    fn parse_string(&mut self, span: Span, string: &str) -> ParseResult<Self> {
+        use FallbackOutputMode::*;
+        let api = match string.to_ascii_lowercase().as_str() {
+            "cursor" => Cursor,
+            "focus" => Focus,
+            _ => {
+                return Err(
+                    FallbackOutputModeParserError::Unknown(string.to_string()).spanned(span)
+                );
+            }
+        };
+        Ok(api)
+    }
+}