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Partial scroll bar implementation

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elasota
2020-03-10 01:35:42 -04:00
parent 699c3cf13c
commit ed7f8783c0
6 changed files with 271 additions and 8 deletions
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27
PortabilityLayer/PLScrollBarWidget.h
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@@ -3,6 +3,8 @@
#include "PascalStr.h"
#include "PLWidgets.h"
struct Rect;
namespace PortabilityLayer
{
class ScrollBarWidget final : public WidgetSpec<ScrollBarWidget>
@@ -11,5 +13,30 @@ namespace PortabilityLayer
explicit ScrollBarWidget(const WidgetBasicState &state);
bool Init(const WidgetBasicState &state) override;
void OnEnabledChanged() override;
WidgetHandleState_t ProcessEvent(const TimeTaggedVOSEvent &evt) override;
void DrawControl(DrawSurface *surface) override;
void OnStateChanged() 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);
int32_t m_min;
int32_t m_max;
int32_t m_gripSize;
int32_t m_gripPos;
int32_t m_laneCapacity;
};
}