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