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Elements detect when children are hovered over

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This commit is contained in:
Yousef Khadadeh 2026-04-02 21:57:26 +03:00
parent e3af067972
commit 031c61146b
33 changed files with 153 additions and 185 deletions
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26
src/GUIStuff/Elements/ScrollArea.cpp
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@ -48,7 +48,7 @@ void ScrollArea::layout(const Clay_ElementId& id, const Options& options) {
float scrollerPos = std::fabs(scrollOffset.y() / scrollPosMax);
float areaAboveScrollerSize = scrollerPos * (sAreaDim - scrollerSize);
gui.element<LayoutElement>("scroll bar", [&] (const Clay_ElementId& lId) {
gui.element<LayoutElement>("scroll bar", [&] (LayoutElement*, const Clay_ElementId& lId) {
CLAY(lId, {
.layout = {
.sizing = {.width = CLAY_SIZING_FIXED(12), .height = CLAY_SIZING_GROW(0)},
@ -71,28 +71,27 @@ void ScrollArea::layout(const Clay_ElementId& id, const Options& options) {
}
}) {}
gui.element<LayoutElement>("scroller", [&] (const Clay_ElementId& lId2) {
gui.element<LayoutElement>("scroller", [&] (LayoutElement*, const Clay_ElementId& lId2) {
CLAY(lId2, {
.layout = {.sizing = {.width = CLAY_SIZING_GROW(0), .height = CLAY_SIZING_FIXED(scrollerSize)}},
.backgroundColor = convert_vec4<Clay_Color>(scrollerColor),
.cornerRadius = CLAY_CORNER_RADIUS(3),
}) {}
}, LayoutElement::Callbacks{
.mouseMotion = [&] (const InputManager::MouseMotionCallbackArgs& motion, bool mouseHovering) {
if(isHoveringOverScrollerY != mouseHovering) {
isHoveringOverScrollerY = mouseHovering;
.mouseMotion = [&] (LayoutElement* t, const InputManager::MouseMotionCallbackArgs& motion) {
if(isHoveringOverScrollerY != t->mouseHovering) {
isHoveringOverScrollerY = t->mouseHovering;
gui.set_to_layout();
}
return mouseHovering;
}
});
CLAY_AUTO_ID({ .layout = {.sizing = {.width = CLAY_SIZING_GROW(0), .height = CLAY_SIZING_GROW(0)}}}) {}
}
}, LayoutElement::Callbacks{
.mouseButton = [&, scrollPosMax, sAreaStart, sAreaDim, scrollerSize, areaAboveScrollerSize](const InputManager::MouseButtonCallbackArgs& button, bool mouseHovering) {
.mouseButton = [&, scrollPosMax, sAreaStart, sAreaDim, scrollerSize, areaAboveScrollerSize](LayoutElement* t, const InputManager::MouseButtonCallbackArgs& button) {
if(button.button == InputManager::MouseButton::LEFT) {
if(button.down && mouseHovering) {
if(button.down && t->mouseHovering) {
isScrollbarHeldY = true;
if(isHoveringOverScrollerY)
scrollerStartPosY = sAreaStart + areaAboveScrollerSize + scrollerSize * 0.5f;
@ -112,11 +111,10 @@ void ScrollArea::layout(const Clay_ElementId& id, const Options& options) {
gui.set_to_layout();
}
}
return mouseHovering;
},
.mouseMotion = [&, scrollPosMax, sAreaStart, sAreaDim, scrollerSize](const InputManager::MouseMotionCallbackArgs& motion, bool mouseHovering) {
if(isScrollbarHoveredY != mouseHovering) {
isScrollbarHoveredY = mouseHovering;
.mouseMotion = [&, scrollPosMax, sAreaStart, sAreaDim, scrollerSize](LayoutElement* t, const InputManager::MouseMotionCallbackArgs& motion) {
if(isScrollbarHoveredY != t->mouseHovering) {
isScrollbarHoveredY = t->mouseHovering;
gui.set_to_layout();
}
if(isScrollbarHeldY) {
@ -131,7 +129,6 @@ void ScrollArea::layout(const Clay_ElementId& id, const Options& options) {
if(oldScrollOffset != scrollOffset.y())
gui.set_to_layout();
}
return mouseHovering;
}
});
}
@ -147,7 +144,7 @@ void ScrollArea::clamp_scroll() {
scrollOffset.y() = std::clamp(scrollOffset.y(), -std::max(0.0f, contentDimensions.y() - containerDimensions.y()), 0.0f);
}
void ScrollArea::input_mouse_wheel_callback(const InputManager::MouseWheelCallbackArgs& wheel, bool mouseHovering) {
void ScrollArea::input_mouse_wheel_callback(const InputManager::MouseWheelCallbackArgs& wheel) {
if(mouseHovering) {
Vector2f oldScrollOffset = scrollOffset;
@ -160,7 +157,6 @@ void ScrollArea::input_mouse_wheel_callback(const InputManager::MouseWheelCallba
if(oldScrollOffset != scrollOffset)
gui.set_to_layout();
}
Element::input_mouse_wheel_callback(wheel, mouseHovering);
}
}