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Dim Carousel Arrows

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- Dim carousel arrows if there are no further options in that direction (closes #708)

This sets the color property constantly, not sure if that is a concern for perf (would imagine not since it already sets the rml to mValueElem every frame also?)
This commit is contained in:
SuperDude88
2026-05-07 21:40:14 -04:00
committed by Luke Street
parent 6cfdc3d8a3
commit 313f03f5e5
2 changed files with 15 additions and 5 deletions
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src/dusk/ui/graphics_tuner.cpp
+13 -5
View File
@@ -91,18 +91,23 @@ Rml::Element* create_stepped_carousel_arrow(
return parent->AppendChild(std::move(button));
}
void update_carousel_arrow_color(Rml::Element* arrow, bool dim) {
const Rml::Colourb& color = Rml::Colourb(255, 255, 255, dim ? 128 : 255);
arrow->SetProperty(Rml::PropertyId::Color, Rml::Property(color, Rml::Unit::COLOUR));
}
} // namespace
SteppedCarousel::SteppedCarousel(Rml::Element* parent, Props props)
: Component(create_stepped_carousel_root(parent)), mProps(std::move(props)) {
Rml::Element* prevElem = create_stepped_carousel_arrow(mRoot, "prev", "");
mPrevElem = create_stepped_carousel_arrow(mRoot, "prev", "");
mValueElem = append(mRoot, "div");
mValueElem->SetClass("stepped-carousel-value", true);
Rml::Element* nextElem = create_stepped_carousel_arrow(mRoot, "next", "");
mNextElem = create_stepped_carousel_arrow(mRoot, "next", "");
listen(prevElem, Rml::EventId::Click,
listen(mPrevElem, Rml::EventId::Click,
[this](Rml::Event&) { handle_nav_command(NavCommand::Left); });
listen(nextElem, Rml::EventId::Click,
listen(mNextElem, Rml::EventId::Click,
[this](Rml::Event&) { handle_nav_command(NavCommand::Right); });
listen(mRoot, Rml::EventId::Keydown, [this](Rml::Event& event) {
const auto cmd = map_nav_event(event);
@@ -126,6 +131,9 @@ void SteppedCarousel::update() {
} else {
mValueElem->SetInnerRML(std::to_string(value));
}
update_carousel_arrow_color(mPrevElem, value == mProps.min);
update_carousel_arrow_color(mNextElem, value == mProps.max);
}
bool SteppedCarousel::handle_nav_command(NavCommand cmd) {
@@ -280,4 +288,4 @@ void GraphicsTuner::reset_default() {
set_value(mOption, mDefaultValue);
}
} // namespace dusk::ui
} // namespace dusk::ui
src/dusk/ui/graphics_tuner.hpp
+2
View File
@@ -34,6 +34,8 @@ private:
void apply(int value);
Props mProps;
Rml::Element* mPrevElem = nullptr;
Rml::Element* mNextElem = nullptr;
Rml::Element* mValueElem = nullptr;
};