Add an option to set selected text color

examples/editor-test/src/main.rs

@@ -17,6 +17,7 @@ fn redraw(
     let font_color = Color::rgb(0xFF, 0xFF, 0xFF);
     let cursor_color = Color::rgb(0xFF, 0xFF, 0xFF);
     let selection_color = Color::rgba(0xFF, 0xFF, 0xFF, 0x33);
+    let selected_text_color = Color::rgb(0xF0, 0xF0, 0xFF);
 
     editor.shape_as_needed(true);
     if editor.redraw() {
@@ -29,6 +30,7 @@ fn redraw(
             font_color,
             cursor_color,
             selection_color,
+            selected_text_color,
             |x, y, w, h, color| {
                 window.rect(x, y, w, h, orbclient::Color { data: color.0 });
             },

examples/rich-text/src/main.rs

@@ -138,6 +138,7 @@ fn main() {
     let font_color = Color::rgb(0xFF, 0xFF, 0xFF);
     let cursor_color = Color::rgb(0xFF, 0xFF, 0xFF);
     let selection_color = Color::rgba(0xFF, 0xFF, 0xFF, 0x33);
+    let selected_text_color = Color::rgb(0xA0, 0xA0, 0xFF);
 
     event_loop
         .run(|event, elwt| {
@@ -193,6 +194,7 @@ fn main() {
                                 font_color,
                                 cursor_color,
                                 selection_color,
+                                selected_text_color,
                                 |x, y, w, h, color| {
                                     // Note: due to softbuffer and tiny_skia having incompatible internal color representations we swap
                                     // the red and blue channels here

src/edit/editor.rs

@@ -50,10 +50,12 @@ impl<'buffer> Editor<'buffer> {
         text_color: Color,
         cursor_color: Color,
         selection_color: Color,
+        selected_text_color: Color,
         mut f: F,
     ) where
         F: FnMut(i32, i32, u32, u32, Color),
     {
+        let selection_bounds = self.selection_bounds();
         self.with_buffer(|buffer| {
             for run in buffer.layout_runs() {
                 let line_i = run.line_i;
@@ -98,7 +100,7 @@ impl<'buffer> Editor<'buffer> {
                 };
 
                 // Highlight selection
-                if let Some((start, end)) = self.selection_bounds() {
+                if let Some((start, end)) = selection_bounds {
                     if line_i >= start.line && line_i <= end.line {
                         let mut range_opt = None;
                         for glyph in run.glyphs.iter() {
@@ -191,10 +193,21 @@ impl<'buffer> Editor<'buffer> {
                 for glyph in run.glyphs.iter() {
                     let physical_glyph = glyph.physical((0., 0.), 1.0);
 
-                    let glyph_color = match glyph.color_opt {
+                    let mut glyph_color = match glyph.color_opt {
                         Some(some) => some,
                         None => text_color,
                     };
+                    if text_color != selected_text_color {
+                        if let Some((start, end)) = selection_bounds {
+                            if line_i >= start.line
+                                && line_i <= end.line
+                                && (start.line != line_i || glyph.end > start.index)
+                                && (end.line != line_i || glyph.start < end.index)
+                            {
+                                glyph_color = selected_text_color;
+                            }
+                        }
+                    }
 
                     cache.with_pixels(
                         font_system,
@@ -880,6 +893,7 @@ impl<'font_system, 'buffer> BorrowedWithFontSystem<'font_system, Editor<'buffer>
         text_color: Color,
         cursor_color: Color,
         selection_color: Color,
+        selected_text_color: Color,
         f: F,
     ) where
         F: FnMut(i32, i32, u32, u32, Color),
@@ -890,6 +904,7 @@ impl<'font_system, 'buffer> BorrowedWithFontSystem<'font_system, Editor<'buffer>
             text_color,
             cursor_color,
             selection_color,
+            selected_text_color,
             f,
         );
     }

src/edit/syntect.rs

@@ -208,6 +208,7 @@ impl<'syntax_system, 'buffer> SyntaxEditor<'syntax_system, 'buffer> {
             self.foreground_color(),
             self.cursor_color(),
             self.selection_color(),
+            self.foreground_color(),
             f,
         );
     }