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8337e36f46
so that CursorView tells its superview to redrawn in the background, except the RoundCursorView.
42 lines
1.0 KiB
C++
42 lines
1.0 KiB
C++
#ifndef SHARED_ROUND_CURSOR_VIEW_H
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#define SHARED_ROUND_CURSOR_VIEW_H
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#include "cursor_view.h"
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#include "dots.h"
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namespace Shared {
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#define GRAPH_CURSOR_SPEEDUP
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class RoundCursorView : public CursorView {
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public:
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RoundCursorView(KDColor color = KDColorBlack) :
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m_color(color)
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#ifdef GRAPH_CURSOR_SPEEDUP
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, m_underneathPixelBufferLoaded(false)
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#endif
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{}
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void drawRect(KDContext * ctx, KDRect rect) const override;
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KDSize minimalSizeForOptimalDisplay() const override;
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void setColor(KDColor color);
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void setCursorFrame(KDRect frame, bool force) override;
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#ifdef GRAPH_CURSOR_SPEEDUP
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void resetMemoization() const { m_underneathPixelBufferLoaded = false; }
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#endif
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private:
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void markRectAsDirty(KDRect rect) override;
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#ifdef GRAPH_CURSOR_SPEEDUP
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bool eraseCursorIfPossible();
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#endif
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constexpr static int k_cursorSize = Dots::LargeDotDiameter;
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KDColor m_color;
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#ifdef GRAPH_CURSOR_SPEEDUP
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mutable KDColor m_underneathPixelBuffer[k_cursorSize*k_cursorSize];
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mutable bool m_underneathPixelBufferLoaded;
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#endif
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};
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}
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#endif
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