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Improved scroll area, especially for touch devices

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This commit is contained in:
Yousef Khadadeh 2026-04-29 12:38:40 +03:00
parent 826efee7fb
commit 6a05026f85
12 changed files with 271 additions and 133 deletions
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13
src/GUIStuff/Elements/ScrollArea.hpp
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@ -30,17 +30,28 @@ class ScrollArea : public Element {
void layout(const Clay_ElementId& id, const Options& options);
void reset_scroll();
virtual void update() override;
virtual void input_mouse_wheel_callback(const InputManager::MouseWheelCallbackArgs& wheel) override;
virtual void input_mouse_button_callback(const InputManager::MouseButtonCallbackArgs& button) override;
virtual void input_mouse_motion_callback(const InputManager::MouseMotionCallbackArgs& motion) override;
virtual void input_finger_touch_callback(const InputManager::FingerTouchCallbackArgs& touch) override;
virtual void input_finger_motion_callback(const InputManager::FingerMotionCallbackArgs& motion) override;
private:
Options opts;
bool scrollAreaHeld = false;
Vector2f scrollAreaMotion = {0.0f, 0.0f};
Vector2f scrollAreaMotionMax = {0.0f, 0.0f};
bool isScrollbarHeldY = false;
bool isScrollbarHoveredY = false;
bool isHoveringOverScrollerY = false;
Element* scrollerY = nullptr;
float scrollerStartPosY;
float mouseStartPosY;
void y_scroll_bar();
Vector2f contentDimensions = {0.0f, 0.0f};
Vector2f containerDimensions = {0.0f, 0.0f};
Vector2f scrollOffset = {0.0f, 0.0f};
void clamp_scroll();
};