init, basic glogg clone

src/highlight.rs

@@ -0,0 +1,56 @@
+use crate::types::HighlightRule;
+
+pub struct HighlightManager {
+    pub rules: Vec<HighlightRule>,
+    pub show_editor: bool,
+    pub new_pattern: String,
+    pub new_color: [u8; 3],
+}
+
+impl HighlightManager {
+    pub fn new(rules: Vec<HighlightRule>) -> Self {
+        Self {
+            rules,
+            show_editor: false,
+            new_pattern: String::new(),
+            new_color: [255, 255, 0],
+        }
+    }
+
+    pub fn toggle_editor(&mut self) {
+        self.show_editor = !self.show_editor;
+    }
+
+    pub fn add_highlight(&mut self) -> bool {
+        if self.new_pattern.is_empty() {
+            return false;
+        }
+
+        self.rules.push(HighlightRule {
+            pattern: self.new_pattern.clone(),
+            color: self.new_color,
+            enabled: true,
+        });
+
+        self.new_pattern.clear();
+        true
+    }
+
+    pub fn remove_highlight(&mut self, index: usize) -> bool {
+        if index < self.rules.len() {
+            self.rules.remove(index);
+            true
+        } else {
+            false
+        }
+    }
+
+    pub fn toggle_rule(&mut self, index: usize) -> bool {
+        if let Some(rule) = self.rules.get_mut(index) {
+            rule.enabled = !rule.enabled;
+            true
+        } else {
+            false
+        }
+    }
+}