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diff --git a/src/CallTip.h b/src/CallTip.h
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+++ b/src/CallTip.h
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+// Scintilla source code edit control
+/** @file CallTip.h
+ ** Interface to the call tip control.
+ **/
+// Copyright 1998-2001 by Neil Hodgson <neilh@scintilla.org>
+// The License.txt file describes the conditions under which this software may be distributed.
+
+#ifndef CALLTIP_H
+#define CALLTIP_H
+
+/**
+ */
+class CallTip {
+	int startHighlight;    // character offset to start and...
+	int endHighlight;      // ...end of highlighted text
+	char *val;
+	Font font;
+	PRectangle rectUp;      // rectangle of last up angle in the tip
+	PRectangle rectDown;    // rectangle of last down arrow in the tip
+	int lineHeight;         // vertical line spacing
+	int offsetMain;         // The alignment point of the call tip
+	int tabSize;            // Tab size in pixels, <=0 no TAB expand
+	bool useStyleCallTip;   // if true, STYLE_CALLTIP should be used
+
+	// Private so CallTip objects can not be copied
+	CallTip(const CallTip &) {}
+	CallTip &operator=(const CallTip &) { return *this; }
+	void DrawChunk(Surface *surface, int &x, const char *s,
+		int posStart, int posEnd, int ytext, PRectangle rcClient,
+		bool highlight, bool draw);
+	int PaintContents(Surface *surfaceWindow, bool draw);
+	bool IsTabCharacter(char c);
+	int NextTabPos(int x);
+
+public:
+	Window wCallTip;
+	Window wDraw;
+	bool inCallTipMode;
+	int posStartCallTip;
+	ColourPair colourBG;
+	ColourPair colourUnSel;
+	ColourPair colourSel;
+	ColourPair colourShade;
+	ColourPair colourLight;
+	int codePage;
+	int clickPlace;
+
+	CallTip();
+	~CallTip();
+
+	/// Claim or accept palette entries for the colours required to paint a calltip.
+	void RefreshColourPalette(Palette &pal, bool want);
+
+	void PaintCT(Surface *surfaceWindow);
+
+	void MouseClick(Point pt);
+
+	/// Setup the calltip and return a rectangle of the area required.
+	PRectangle CallTipStart(int pos, Point pt, const char *defn,
+		const char *faceName, int size, int codePage_, 
+		int characterSet, Window &wParent);
+
+	void CallTipCancel();
+
+	/// Set a range of characters to be displayed in a highlight style.
+	/// Commonly used to highlight the current parameter.
+	void SetHighlight(int start, int end);
+
+	/// Set the tab size in pixels for the call tip. 0 or -ve means no tab expand.
+	void SetTabSize(int tabSz);
+
+	/// Used to determine which STYLE_xxxx to use for call tip information
+	bool UseStyleCallTip() const { return useStyleCallTip;}
+
+	// Modify foreground and background colours
+	void SetForeBack(const ColourPair &fore, const ColourPair &back);
+};
+
+#endif