Jazz2::UI::Menu::ScrollableMenuSection class

Simplifies creation of unified scrollable menu sections.

Base classes

auto GetClipRectangle(const Recti& contentBounds) -> Recti override: Allows to override clip rectangle of the middle layer.
void OnShow(IMenuContainer* root) override: Called when the section is shown.
void OnUpdate(float timeMult) override: Called when the section should be updated.
void OnDrawClipped(Canvas* canvas) override: Called when the section should be drawn — the middle clipped layer.
void OnTouchEvent(const TouchEvent& event, Vector2i viewSize) override: Called when a touch event is triggered.

void EnsureVisibleSelected(): Makes currently selected item visible in the viewport.
void OnExecuteSelected() pure virtual: Called when the selected item should be executed.
void OnLayoutItem(Canvas* canvas, ListViewItem& item) virtual: Called when an item layout should be calculated.
void OnDrawEmptyText(Canvas* canvas, std::int32_t& charOffset) virtual: Called when an information about empty list should be drawn.
void OnDrawItem(Canvas* canvas, ListViewItem& item, std::int32_t& charOffset, bool isSelected) pure virtual: Called when an item should be drawn.
void OnHandleInput() virtual: Called when input should be handled.
void OnBackPressed() virtual: Called when back button is pressed.
void OnSelectionChanged(ListViewItem& item) virtual: Called when selected item is changed.
void OnTouchUp(std::int32_t newIndex, Vector2i viewSize, Vector2i touchPos) virtual: Called when a touch event is released.