sorry about monster commit

wgui/src/parser/mod.rs

@@ -766,6 +766,45 @@ impl CustomAttribsInfo<'_> {
 
 		None
 	}
+
+	pub fn to_owned(&self) -> CustomAttribsInfoOwned {
+		CustomAttribsInfoOwned {
+			parent_id: self.parent_id,
+			widget_id: self.widget_id,
+			pairs: self
+				.pairs
+				.iter()
+				.map(|p| CustomAttribPairOwned {
+					attrib: p.attrib.to_string(),
+					value: p.value.to_string(),
+				})
+				.collect(),
+		}
+	}
+}
+
+pub struct CustomAttribPairOwned {
+	pub attrib: String, // without _ at the beginning
+	pub value: String,
+}
+
+pub struct CustomAttribsInfoOwned {
+	pub parent_id: WidgetID,
+	pub widget_id: WidgetID,
+	pub pairs: Vec<CustomAttribPairOwned>,
+}
+
+impl CustomAttribsInfoOwned {
+	pub fn get_value(&self, attrib_name: &str) -> Option<&str> {
+		// O(n) search, these pairs won't be problematically big anyways
+		for pair in self.pairs.iter() {
+			if pair.attrib == attrib_name {
+				return Some(pair.value.as_str());
+			}
+		}
+
+		None
+	}
 }
 
 pub type OnCustomAttribsFunc = Box<dyn Fn(CustomAttribsInfo)>;

wgui/src/widget/label.rs

@@ -1,6 +1,6 @@
 use std::{cell::RefCell, rc::Rc};
 
-use cosmic_text::{Attrs, Buffer, Metrics, Shaping, Wrap};
+use cosmic_text::{Attrs, AttrsList, Buffer, Metrics, Shaping, Wrap};
 use slotmap::Key;
 use taffy::AvailableSpace;
 
@@ -10,7 +10,7 @@ use crate::{
 	globals::Globals,
 	i18n::{I18n, Translation},
 	layout::WidgetID,
-	renderer_vk::text::{FONT_SYSTEM, TextStyle},
+	renderer_vk::text::{TextStyle, FONT_SYSTEM},
 };
 
 use super::{WidgetObj, WidgetState};
@@ -84,12 +84,27 @@ impl WidgetLabel {
 		true
 	}
 
+	fn update_attrs(&mut self) {
+		let attrs = Attrs::from(&self.params.style);
+		for line in self.buffer.borrow_mut().lines.iter_mut() {
+			line.set_attrs_list(AttrsList::new(&attrs));
+		}
+	}
+
 	// set text and check if it needs to be re-rendered/re-layouted
 	pub fn set_text(&mut self, common: &mut CallbackDataCommon, translation: Translation) {
 		if self.set_text_simple(&mut common.i18n(), translation) {
 			common.mark_widget_dirty(self.id);
 		}
 	}
+
+	pub fn set_color(&mut self, common: &mut CallbackDataCommon, color: drawing::Color, apply_to_existing_text: bool) {
+		self.params.style.color = Some(color);
+		if apply_to_existing_text {
+			self.update_attrs();
+			common.mark_widget_dirty(self.id);
+		}
+	}
 }
 
 impl WidgetObj for WidgetLabel {