Files
Aerofoil/PortabilityLayer/PLScrollBarWidget.h
2021-03-29 21:41:11 -04:00

58 lines
1.6 KiB
C++

#pragma once
#include "PascalStr.h"
#include "PLWidgets.h"
struct Rect;
namespace PortabilityLayer
{
class ScrollBarWidget final : public WidgetSpec<ScrollBarWidget, WidgetTypes::kScrollBar>
{
public:
explicit ScrollBarWidget(const WidgetBasicState &state);
bool Init(const WidgetBasicState &state, const void *additionalData) override;
void OnEnabledChanged() override;
WidgetHandleState_t ProcessEvent(void *captureContext, const TimeTaggedVOSEvent &evt) GP_ASYNCIFY_PARANOID_OVERRIDE;
void DrawControl(DrawSurface *surface) override;
void SetState(int16_t state) override;
void OnStateChanged() override;
void SetMin(int32_t v) override;
void SetMax(int32_t v) override;
int16_t Capture(void *captureContext, const Point &pos, WidgetUpdateCallback_t callback) GP_ASYNCIFY_PARANOID_OVERRIDE;
int ResolvePart(const Point &point) const override;
private:
bool IsHorizontal() const;
bool Isvertical() const;
void DrawControlHorizontal(DrawSurface *surface);
void DrawControlVertical(DrawSurface *surface);
void RefreshGrip();
static void DrawBeveledBox(DrawSurface *surface, const Rect &rect);
int16_t CaptureScrollSegment(void *captureContext, const Point &pos, int part, WidgetUpdateCallback_t callback);
int16_t CaptureIndicator(void *captureContext, const Point &pos, WidgetUpdateCallback_t callback);
void IterateScrollSegment(void *captureContext, int part, WidgetUpdateCallback_t callback);
int32_t m_min;
int32_t m_max;
int32_t m_gripSize;
int32_t m_gripPos;
int32_t m_laneCapacity;
bool m_isActive;
int m_activePart;
WidgetUpdateCallback_t m_callback;
};
}