From 12607bfdbededa2c4b43cb4e2106a0615d2e7879 Mon Sep 17 00:00:00 2001
From: zaaarf <me@zaaarf.foo>
Date: Tue, 21 May 2024 13:03:39 +0200
Subject: [PATCH] feat: hint text styling

---
 crates/egui/src/widgets/text_edit/builder.rs | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/crates/egui/src/widgets/text_edit/builder.rs b/crates/egui/src/widgets/text_edit/builder.rs
index 440916f31b2e..fa9edff30b69 100644
--- a/crates/egui/src/widgets/text_edit/builder.rs
+++ b/crates/egui/src/widgets/text_edit/builder.rs
@@ -60,6 +60,7 @@ use super::{TextEditOutput, TextEditState};
 pub struct TextEdit<'t> {
     text: &'t mut dyn TextBuffer,
     hint_text: WidgetText,
+    hint_text_font: Option<FontSelection>,
     id: Option<Id>,
     id_source: Option<Id>,
     font_selection: FontSelection,
@@ -111,6 +112,7 @@ impl<'t> TextEdit<'t> {
         Self {
             text,
             hint_text: Default::default(),
+            hint_text_font: None,
             id: None,
             id_source: None,
             font_selection: Default::default(),
@@ -189,6 +191,13 @@ impl<'t> TextEdit<'t> {
         self
     }
 
+    /// Forces a specific style for the hint text.
+    #[inline]
+    pub fn hint_text_font(mut self, hint_text_font: impl Into<FontSelection>) -> Self {
+        self.hint_text_font = Some(hint_text_font.into());
+        self
+    }
+
     /// If true, hide the letters from view and prevent copying from the field.
     #[inline]
     pub fn password(mut self, password: bool) -> Self {
@@ -436,6 +445,7 @@ impl<'t> TextEdit<'t> {
         let TextEdit {
             text,
             hint_text,
+            hint_text_font,
             id,
             id_source,
             font_selection,
@@ -652,9 +662,9 @@ impl<'t> TextEdit<'t> {
             if text.as_str().is_empty() && !hint_text.is_empty() {
                 let hint_text_color = ui.visuals().weak_text_color();
                 let galley = if multiline {
-                    hint_text.into_galley(ui, Some(true), desired_inner_size.x, font_id)
+                    hint_text.into_galley(ui, Some(true), desired_inner_size.x, hint_text_font.unwrap_or(font_id.into()))
                 } else {
-                    hint_text.into_galley(ui, Some(false), f32::INFINITY, font_id)
+                    hint_text.into_galley(ui, Some(false), f32::INFINITY, hint_text_font.unwrap_or(font_id.into()))
                 };
                 painter.galley(rect.min, galley, hint_text_color);
             }