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 ✅
2025-07-31 05:09:12 +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/Applications/Piano/RollWidget.cpp
+++ b/Userland/Applications/Piano/RollWidget.cpp
@ -239,7 +239,7 @@ void RollWidget::mouseup_event([[maybe_unused]] GUI::MouseEvent& event)
 void RollWidget::mousewheel_event(GUI::MouseEvent& event)
 {
    if (event.modifiers() & KeyModifier::Mod_Shift) {
-        horizontal_scrollbar().set_value(horizontal_scrollbar().value() + (event.wheel_delta() * horizontal_scroll_sensitivity));
+        horizontal_scrollbar().increase_slider_by(event.wheel_delta() * horizontal_scroll_sensitivity);
        return;
    }