LibGUI: Consider TextEditor icon size when scrolling text horizontally

If an icon exists and the horizontal scroll value is larger than 0,
translate the TextEditor painter by the icon size and padding.

The text would scroll over the icon when the text was long enough to
trigger a horizontal scroll.

Fixes #13669.

1 files changed, 4 insertions, 1 deletions

diff --git a/Userland/Libraries/LibGUI/TextEditor.cpp b/Userland/Libraries/LibGUI/TextEditor.cpp
index 1852b68399..31d76c82d4 100644
--- a/Userland/Libraries/LibGUI/TextEditor.cpp
+++ b/Userland/Libraries/LibGUI/TextEditor.cpp
@@ -452,7 +452,10 @@ void TextEditor::paint_event(PaintEvent& event)
         painter.draw_line(ruler_rect.top_right(), ruler_rect.bottom_right(), palette().ruler_border());
     }
 
-    painter.translate(-horizontal_scrollbar().value(), -vertical_scrollbar().value());
+    auto horizontal_scrollbar_value = horizontal_scrollbar().value();
+    painter.translate(-horizontal_scrollbar_value, -vertical_scrollbar().value());
+    if (m_icon && horizontal_scrollbar_value > 0)
+        painter.translate(min(icon_size() + icon_padding(), horizontal_scrollbar_value), 0);
     painter.translate(gutter_width(), 0);
     painter.translate(ruler_width(), 0);