package d2gui import ( "github.com/OpenDiablo2/OpenDiablo2/d2core/d2input" "github.com/OpenDiablo2/OpenDiablo2/d2core/d2render" ) type MouseHandler func(d2input.MouseEvent) type MouseMoveHandler func(d2input.MouseMoveEvent) type widget interface { render(target d2render.Surface) error advance(elapsed float64) error onMouseMove(event d2input.MouseMoveEvent) bool onMouseEnter(event d2input.MouseMoveEvent) bool onMouseLeave(event d2input.MouseMoveEvent) bool onMouseOver(event d2input.MouseMoveEvent) bool onMouseButtonDown(event d2input.MouseEvent) bool onMouseButtonUp(event d2input.MouseEvent) bool onMouseButtonClick(event d2input.MouseEvent) bool getPosition() (int, int) getSize() (int, int) getLayer() int isVisible() bool isExpanding() bool } type widgetBase struct { x int y int layer int visible bool expanding bool mouseEnterHandler MouseMoveHandler mouseLeaveHandler MouseMoveHandler mouseClickHandler MouseHandler } func (w *widgetBase) SetPosition(x, y int) { w.x = x w.y = y } func (w *widgetBase) SetLayer(layer int) { w.layer = layer } func (w *widgetBase) SetVisible(visible bool) { w.visible = visible } func (w *widgetBase) SetExpanding(expanding bool) { w.expanding = expanding } func (w *widgetBase) SetMouseEnterHandler(handler MouseMoveHandler) { w.mouseEnterHandler = handler } func (w *widgetBase) SetMouseLeaveHandler(handler MouseMoveHandler) { w.mouseLeaveHandler = handler } func (w *widgetBase) SetMouseClickHandler(handler MouseHandler) { w.mouseClickHandler = handler } func (w *widgetBase) getPosition() (int, int) { return w.x, w.y } func (w *widgetBase) getSize() (int, int) { return 0, 0 } func (w *widgetBase) getLayer() int { return w.layer } func (w *widgetBase) isVisible() bool { return w.visible } func (w *widgetBase) isExpanding() bool { return w.expanding } func (w *widgetBase) render(target d2render.Surface) error { return nil } func (w *widgetBase) advance(elapsed float64) error { return nil } func (w *widgetBase) onMouseEnter(event d2input.MouseMoveEvent) bool { if w.mouseEnterHandler != nil { w.mouseEnterHandler(event) } return false } func (w *widgetBase) onMouseLeave(event d2input.MouseMoveEvent) bool { if w.mouseLeaveHandler != nil { w.mouseLeaveHandler(event) } return false } func (w *widgetBase) onMouseButtonClick(event d2input.MouseEvent) bool { if w.mouseClickHandler != nil { w.mouseClickHandler(event) } return false } func (w *widgetBase) onMouseMove(event d2input.MouseMoveEvent) bool { return false } func (w *widgetBase) onMouseOver(event d2input.MouseMoveEvent) bool { return false } func (w *widgetBase) onMouseButtonDown(event d2input.MouseEvent) bool { return false } func (w *widgetBase) onMouseButtonUp(event d2input.MouseEvent) bool { return false }