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