Everywhere: Use 'increase_slider_by()' method from AbstractSlider

This method help us to avoid repeating the pattern 'set_value(value() + delta)'.
Author: https://github.com/elyse0 Commit: d53e1fa1fa Pull-request: https://github.com/SerenityOS/serenity/pull/11163 Reviewed-by: https://github.com/kleinesfilmroellchen ✅ Reviewed-by: https://github.com/metmo ✅
2025-07-28 19:59:17 +00:00 · 2021-12-28 21:47:26 -06:00 · 2021-12-28 21:47:26 -06:00 · d53e1fa1fa · 2024-07-17 21:55:29 +09:00
commit d53e1fa1fa
parent 8b8f404146
12 changed files with 19 additions and 19 deletions
--- a/Userland/Libraries/LibGUI/Scrollbar.cpp
+++ b/Userland/Libraries/LibGUI/Scrollbar.cpp
@ -332,7 +332,7 @@ void Scrollbar::scroll_by_page(const Gfx::IntPoint& click_position)
        set_value(value() - page_increment);
    } else {
        gutter_click_state = GutterClickState::AfterScrubber;
-        set_value(value() + page_increment);
+        increase_slider_by(page_increment);
    }
 }