1 files changed, 113 insertions, 0 deletions
diff --git a/src/EditView.h b/src/EditView.h
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+++ b/src/EditView.h
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+// Scintilla source code edit control
+/** @file EditView.h
+ ** Defines the appearance of the main text area of the editor window.
+ **/
+// Copyright 1998-2014 by Neil Hodgson <neilh@scintilla.org>
+// The License.txt file describes the conditions under which this software may be distributed.
+
+#ifndef EDITVIEW_H
+#define EDITVIEW_H
+
+#ifdef SCI_NAMESPACE
+namespace Scintilla {
+#endif
+
+struct PrintParameters {
+	int magnification;
+	int colourMode;
+	WrapMode wrapState;
+	PrintParameters();
+};
+
+/**
+* EditView draws the main text area.
+*/
+class EditView {
+public:
+	PrintParameters printParameters;
+
+	bool hideSelection;
+	bool drawOverstrikeCaret;
+
+	/** In bufferedDraw mode, graphics operations are drawn to a pixmap and then copied to
+	* the screen. This avoids flashing but is about 30% slower. */
+	bool bufferedDraw;
+	/** In twoPhaseDraw mode, drawing is performed in two phases, first the background
+	* and then the foreground. This avoids chopping off characters that overlap the next run. */
+	bool twoPhaseDraw;
+
+	int lineWidthMaxSeen;
+
+	bool additionalCaretsBlink;
+	bool additionalCaretsVisible;
+
+	Surface *pixmapLine;
+	Surface *pixmapIndentGuide;
+	Surface *pixmapIndentGuideHighlight;
+
+	LineLayoutCache llc;
+	PositionCache posCache;
+
+	EditView();
+
+	void DropGraphics(bool freeObjects);
+	void AllocateGraphics(const ViewStyle &vsDraw);
+	void RefreshPixMaps(Surface *surfaceWindow, WindowID wid, const ViewStyle &vsDraw);
+
+	LineLayout *RetrieveLineLayout(int lineNumber, const EditModel &model);
+	void LayoutLine(int line, Surface *surface, const ViewStyle &vstyle, LineLayout *ll,
+		const EditModel &model, int width = LineLayout::wrapWidthInfinite);
+
+	Point LocationFromPosition(Surface *surface, SelectionPosition pos, int topLine, const EditModel &model, const ViewStyle &vs);
+	SelectionPosition SPositionFromLocation(Surface *surface, Point pt, bool canReturnInvalid, bool charPosition, bool virtualSpace,
+		const EditModel &model, const ViewStyle &vs);
+	SelectionPosition SPositionFromLineX(Surface *surface, int lineDoc, int x, const EditModel &model, const ViewStyle &vs);
+	int DisplayFromPosition(Surface *surface, int pos, const EditModel &model, const ViewStyle &vs);
+	int StartEndDisplayLine(Surface *surface, int pos, bool start, const EditModel &model, const ViewStyle &vs);
+
+	void DrawIndentGuide(Surface *surface, int lineVisible, int lineHeight, int start, PRectangle rcSegment, bool highlight);
+	void DrawEOL(Surface *surface, const ViewStyle &vsDraw, PRectangle rcLine, LineLayout *ll,
+		int line, int lineEnd, int xStart, int subLine, XYACCUMULATOR subLineStart,
+		ColourOptional background, const EditModel &model);
+	void DrawAnnotation(Surface *surface, const ViewStyle &vsDraw, int line, int xStart,
+		PRectangle rcLine, LineLayout *ll, int subLine, const EditModel &model);
+	void DrawCarets(Surface *surface, const ViewStyle &vsDraw, int line, int xStart,
+		PRectangle rcLine, LineLayout *ll, int subLine, const EditModel &model) const;
+	void DrawLine(Surface *surface, const ViewStyle &vsDraw, int line, int lineVisible, int xStart,
+		PRectangle rcLine, LineLayout *ll, int subLine, const EditModel &model);
+	void PaintText(Surface *surfaceWindow, PRectangle rcArea, PRectangle rcClient,
+		const EditModel &model, const ViewStyle &vsDraw);
+	long FormatRange(bool draw, Sci_RangeToFormat *pfr, Surface *surface, Surface *surfaceMeasure,
+		const EditModel &model, const ViewStyle &vs);
+};
+
+/**
+* Convenience class to ensure LineLayout objects are always disposed.
+*/
+class AutoLineLayout {
+	LineLayoutCache &llc;
+	LineLayout *ll;
+	AutoLineLayout &operator=(const AutoLineLayout &);
+public:
+	AutoLineLayout(LineLayoutCache &llc_, LineLayout *ll_) : llc(llc_), ll(ll_) {}
+	~AutoLineLayout() {
+		llc.Dispose(ll);
+		ll = 0;
+	}
+	LineLayout *operator->() const {
+		return ll;
+	}
+	operator LineLayout *() const {
+		return ll;
+	}
+	void Set(LineLayout *ll_) {
+		llc.Dispose(ll);
+		ll = ll_;
+	}
+};
+
+#ifdef SCI_NAMESPACE
+}
+#endif
+
+#endif