Support CSI2031 (dark/light theme switching) + remove STDIN cache to avoid stale color queries (#5105)

* initial phase 1 implementation

* various fies

* some fixes

* fix fragmented stdin cases

* some fixes

* renaming

* guard against old clients

* implement csi 2031

* allow toggling theme with actions

* rustfmt

* fix: finalize trailing characters in ansi parser as well

* add pr

1 files changed, 24 insertions, 0 deletions

diff --git a/zellij-utils/src/plugin_api/action.rs b/zellij-utils/src/plugin_api/action.rs
index cbd62e5b..cd3e1522 100644
--- a/zellij-utils/src/plugin_api/action.rs
+++ b/zellij-utils/src/plugin_api/action.rs
@@ -611,6 +611,18 @@ impl TryFrom<ProtobufAction> for Action {
                 Some(_) => Err("Detach should not have a payload"),
                 None => Ok(Action::Detach),
             },
+            Some(ProtobufActionName::SetDarkTheme) => match protobuf_action.optional_payload {
+                Some(_) => Err("SetDarkTheme should not have a payload"),
+                None => Ok(Action::SetDarkTheme),
+            },
+            Some(ProtobufActionName::SetLightTheme) => match protobuf_action.optional_payload {
+                Some(_) => Err("SetLightTheme should not have a payload"),
+                None => Ok(Action::SetLightTheme),
+            },
+            Some(ProtobufActionName::ToggleTheme) => match protobuf_action.optional_payload {
+                Some(_) => Err("ToggleTheme should not have a payload"),
+                None => Ok(Action::ToggleTheme),
+            },
             Some(ProtobufActionName::LeftClick) => match protobuf_action.optional_payload {
                 Some(OptionalPayload::LeftClickPayload(payload)) => {
                     let position = payload.try_into()?;
@@ -1567,6 +1579,18 @@ impl TryFrom<Action> for ProtobufAction {
                 name: ProtobufActionName::Detach as i32,
                 optional_payload: None,
             }),
+            Action::SetDarkTheme => Ok(ProtobufAction {
+                name: ProtobufActionName::SetDarkTheme as i32,
+                optional_payload: None,
+            }),
+            Action::SetLightTheme => Ok(ProtobufAction {
+                name: ProtobufActionName::SetLightTheme as i32,
+                optional_payload: None,
+            }),
+            Action::ToggleTheme => Ok(ProtobufAction {
+                name: ProtobufActionName::ToggleTheme as i32,
+                optional_payload: None,
+            }),
             Action::LaunchOrFocusPlugin {
                 plugin: run_plugin_or_alias,
                 should_float,