Separate text cursor from selection visuals (#3181)

crates/egui/src/style.rs

@@ -508,7 +508,8 @@ pub struct Visuals {
 
     pub resize_corner_size: f32,
 
-    pub text_cursor_width: f32,
+    /// The color and width of the text cursor
+    pub text_cursor: Stroke,
 
     /// show where the text cursor would be if you clicked
     pub text_cursor_preview: bool,
@@ -784,7 +785,7 @@ impl Visuals {
 
             popup_shadow: Shadow::small_dark(),
             resize_corner_size: 12.0,
-            text_cursor_width: 2.0,
+            text_cursor: Stroke::new(2.0, Color32::from_rgb(192, 222, 255)),
             text_cursor_preview: false,
             clip_rect_margin: 3.0, // should be at least half the size of the widest frame stroke + max WidgetVisuals::expansion
             button_frame: true,
@@ -817,6 +818,7 @@ impl Visuals {
             panel_fill: Color32::from_gray(248),
 
             popup_shadow: Shadow::small_light(),
+            text_cursor: Stroke::new(2.0, Color32::from_rgb(0, 83, 125)),
             ..Self::dark()
         }
     }
@@ -1351,7 +1353,7 @@ impl Visuals {
             popup_shadow,
 
             resize_corner_size,
-            text_cursor_width,
+            text_cursor,
             text_cursor_preview,
             clip_rect_margin,
             button_frame,
@@ -1409,8 +1411,9 @@ impl Visuals {
         });
 
         ui_color(ui, hyperlink_color, "hyperlink_color");
+        stroke_ui(ui, text_cursor, "Text Cursor");
+
         ui.add(Slider::new(resize_corner_size, 0.0..=20.0).text("resize_corner_size"));
-        ui.add(Slider::new(text_cursor_width, 0.0..=4.0).text("text_cursor_width"));
         ui.checkbox(text_cursor_preview, "Preview text cursor on hover");
         ui.add(Slider::new(clip_rect_margin, 0.0..=20.0).text("clip_rect_margin"));
 

crates/egui/src/widgets/text_edit/builder.rs

@@ -1138,7 +1138,7 @@ fn paint_cursor_end(
     galley: &Galley,
     cursor: &Cursor,
 ) -> Rect {
-    let stroke = ui.visuals().selection.stroke;
+    let stroke = ui.visuals().text_cursor;
 
     let mut cursor_pos = galley.pos_from_cursor(cursor).translate(pos.to_vec2());
     cursor_pos.max.y = cursor_pos.max.y.at_least(cursor_pos.min.y + row_height); // Handle completely empty galleys
@@ -1147,10 +1147,7 @@ fn paint_cursor_end(
     let top = cursor_pos.center_top();
     let bottom = cursor_pos.center_bottom();
 
-    painter.line_segment(
-        [top, bottom],
-        (ui.visuals().text_cursor_width, stroke.color),
-    );
+    painter.line_segment([top, bottom], (stroke.width, stroke.color));
 
     if false {
         // Roof/floor: