[wxWidgets.git] / contrib / src / stc / scintilla / include / Platform.h

// Scintilla source code edit control
// Platform.h - interface to platform facilities
// Also includes some basic utilities
// Implemented in PlatGTK.cxx for GTK+/Linux, PlatWin.cxx for Windows, and PlatWX.cxx for wxWindows
// Copyright 1998-2000 by Neil Hodgson <neilh@scintilla.org>
// The License.txt file describes the conditions under which this software may be distributed.

#ifndef PLATFORM_H
#define PLATFORM_H

// PLAT_GTK = GTK+ on Linux, PLAT_WIN = Win32 API on Win32 OS
// PLAT_WX is wxWindows on any supported platform
// Could also have PLAT_GTKWIN = GTK+ on Win32 OS in future

#define PLAT_GTK 0
#define PLAT_WIN 0
#define PLAT_WX  0

#if defined(__WX__)
#undef PLAT_WX
#define PLAT_WX  1

#elif defined(GTK)
#undef PLAT_GTK
#define PLAT_GTK 1

#else
#undef PLAT_WIN
#define PLAT_WIN 1

#endif


// Include the main header for each platform

#if PLAT_GTK
#include <gtk/gtk.h>
#include <gdk/gdkkeysyms.h>
#endif

#if PLAT_WIN
#define _WIN32_WINNT  0x0400 // Otherwise some required stuff gets ifdef'd out
// Vassili Bourdo: shut up annoying Visual C++ warnings:
#ifdef _MSC_VER
#pragma warning(disable: 4800 4244 4309)
#endif
#include <windows.h>
#include <commctrl.h>
#include <richedit.h>
#endif

#if PLAT_WX
#include <wx/wx.h>
#endif

// Underlying the implementation of the platform classes are platform specific types.
// Sometimes these need to be passed around by client code so they are defined here

#if PLAT_GTK
typedef GdkColor ColourID;
typedef GdkFont* FontID;
typedef GdkDrawable* SurfaceID;
typedef GtkWidget* WindowID;
typedef GtkItemFactory* MenuID;
#endif

#if PLAT_WIN
typedef COLORREF ColourID;
typedef HFONT FontID;
typedef HDC SurfaceID;
typedef HWND WindowID;
typedef HMENU MenuID;
#endif

#if PLAT_WX
typedef wxColour ColourID;
typedef wxFont* FontID;
typedef wxDC* SurfaceID;
typedef wxWindow* WindowID;
typedef wxMenu* MenuID;
#endif

#if PLAT_GTK || PLAT_WX
#define SHIFT_PRESSED 1
#define LEFT_CTRL_PRESSED 2
#define LEFT_ALT_PRESSED 4
#endif

// Point is exactly the same as the Win32 POINT and GTK+ GdkPoint so can be used interchangeably

class Point {
public:
	int x;
	int y;
	
	Point(int x_=0, int y_=0) : x(x_), y(y_) {
	}

	// Other automatically defined methods (assignment, copy constructor, destructor) are fine
	
	static Point FromLong(long lpoint);
};

// PRectangle is exactly the same as the Win32 RECT so can be used interchangeably
// PRectangles contain their top and left sides, but not their right and bottom sides
class PRectangle {
public:
	int left;
	int top;
	int right;
	int bottom;

	PRectangle(int left_=0, int top_=0, int right_=0, int bottom_ = 0) :
		left(left_), top(top_), right(right_), bottom(bottom_) {
	}

	// Other automatically defined methods (assignment, copy constructor, destructor) are fine

	bool Contains(Point pt) {
		return (pt.x >= left) && (pt.x <= right) &&
			(pt.y >= top) && (pt.y <= bottom);
	}
	bool Contains(PRectangle rc) {
		return (rc.left >= left) && (rc.right <= right) &&
			(rc.top >= top) && (rc.bottom <= bottom);
	}
	bool Intersects(PRectangle other) {
		return (right >= other.left) && (left <= other.right) &&
			(bottom >= other.top) && (top <= other.bottom);
	}
	int Width() { return right - left; }
	int Height() { return bottom - top; }
};

#if PLAT_WX
wxRect wxRectFromPRectangle(PRectangle prc);
PRectangle PRectangleFromwxRect(wxRect rc);
#endif

class Colour {
	ColourID co;
public:
	Colour(long lcol=0);
	Colour(unsigned int red, unsigned int green, unsigned int blue);
	bool operator==(const Colour &other) const;
	long AsLong() const;
	unsigned int GetRed();
	unsigned int GetGreen();
	unsigned int GetBlue();
	
	friend class Surface;
	friend class Palette;
};

// Colour pairs hold a desired colour and the colour that the graphics engine
// allocates to approximate the desired colour.
// To make palette management more automatic, ColourPairs could register at 
// construction time with a palette management object.
struct ColourPair {
	Colour desired;
	Colour allocated;

	ColourPair(Colour desired_=Colour(0,0,0)) {
		desired = desired_;
		allocated = desired;
	}
};

class Window;	// Forward declaration for Palette

class Palette {
	int used;
	enum {numEntries = 100};
	ColourPair entries[numEntries];
#if PLAT_GTK
	GdkColor *allocatedPalette;
	int allocatedLen;
#elif PLAT_WIN
	HPALETTE hpal;
#elif PLAT_WX
	// wxPalette* pal;  // **** Is this needed?
#endif
public:
	bool allowRealization;
	
	Palette();
	~Palette();

	void Release();
	
	// This method either adds a colour to the list of wanted colours (want==true)
	// or retrieves the allocated colour back to the ColourPair.
	// This is one method to make it easier to keep the code for wanting and retrieving in sync.
	void WantFind(ColourPair &cp, bool want);

	void Allocate(Window &w);
	
	friend class Surface;
};

class Font {
	FontID id;
#if PLAT_WX
	int ascent;
#endif
	// Private so Font objects can not be copied
	Font(const Font &) {}
	Font &operator=(const Font &) { id=0; return *this; }
public:
	Font();
	~Font();

	void Create(const char *faceName, int characterSet, int size, bool bold, bool italic);
	void Release();

	FontID GetID() { return id; }
	// Alias another font - caller guarantees not to Release
	void SetID(FontID id_) { id = id_; }
	friend class Surface;
};

// A surface abstracts a place to draw
class Surface {
private:
	bool unicodeMode;
#if PLAT_GTK
	GdkDrawable *drawable;
	GdkGC *gc;
	GdkPixmap *ppixmap;
	int x;
	int y;
	bool inited;
	bool createdGC;
#elif PLAT_WIN
	HDC hdc;
	bool hdcOwned;
	HPEN pen;
	HPEN penOld;
	HBRUSH brush;
	HBRUSH brushOld;
	HFONT font;
	HFONT fontOld;
	HBITMAP bitmap;
	HBITMAP bitmapOld;
	HPALETTE paletteOld;
#elif PLAT_WX
	wxDC* hdc;
	bool hdcOwned;
	wxBitmap* bitmap;
	int x;
	int y;
#endif

	// Private so Surface objects can not be copied
	Surface(const Surface &) {}
	Surface &operator=(const Surface &) { return *this; }
#if PLAT_WIN || PLAT_WX
	void BrushColor(Colour back);
	void SetFont(Font &font_);
#endif
public:
	Surface();
	~Surface();
	
	void Init();
	void Init(SurfaceID hdc_);
	void InitPixMap(int width, int height, Surface *surface_);

	void Release();
	bool Initialised();
	void PenColour(Colour fore);
	int LogPixelsY();
	int DeviceHeightFont(int points);
	void MoveTo(int x_, int y_);
	void LineTo(int x_, int y_);
	void Polygon(Point *pts, int npts, Colour fore, Colour back);
	void RectangleDraw(PRectangle rc, Colour fore, Colour back);
	void FillRectangle(PRectangle rc, Colour back);
	void FillRectangle(PRectangle rc, Surface &surfacePattern);
	void RoundedRectangle(PRectangle rc, Colour fore, Colour back);
	void Ellipse(PRectangle rc, Colour fore, Colour back);
	void Copy(PRectangle rc, Point from, Surface &surfaceSource);

	void DrawText(PRectangle rc, Font &font_, int ybase, const char *s, int len, Colour fore, Colour back);
	void DrawTextClipped(PRectangle rc, Font &font_, int ybase, const char *s, int len, Colour fore, Colour back);
	void MeasureWidths(Font &font_, const char *s, int len, int *positions);
	int WidthText(Font &font_, const char *s, int len);
	int WidthChar(Font &font_, char ch);
	int Ascent(Font &font_);
	int Descent(Font &font_);
	int InternalLeading(Font &font_);
	int ExternalLeading(Font &font_);
	int Height(Font &font_);
	int AverageCharWidth(Font &font_);
	
	int SetPalette(Palette *pal, bool inBackGround);
	void SetClip(PRectangle rc);
	void FlushCachedState();

	void SetUnicodeMode(bool unicodeMode_) {
		unicodeMode=unicodeMode_;
	}
};

// Class to hide the details of window manipulation
// Does not own the window which will normally have a longer life than this object
class Window {
	friend class ListBox;
protected:
	WindowID id;
public:
	Window() : id(0) {}
	Window(const Window &source) : id(source.id) {}
	virtual ~Window();
	Window &operator=(WindowID id_) {
		id = id_;
		return *this;
	}
	WindowID GetID() { return id; }
	bool Created() { return id != 0; }
	void Destroy();
	bool HasFocus();
	PRectangle GetPosition();
	void SetPosition(PRectangle rc);
	void SetPositionRelative(PRectangle rc, Window relativeTo);
	PRectangle GetClientPosition();
	void Show(bool show=true);
	void InvalidateAll();
	void InvalidateRectangle(PRectangle rc);
	void SetFont(Font &font);
	enum Cursor { cursorText, cursorArrow, cursorUp, cursorWait, cursorHoriz, cursorVert, cursorReverseArrow };
	void SetCursor(Cursor curs);
	void SetTitle(const char *s);
#if PLAT_WIN
	LRESULT SendMessage(UINT msg, WPARAM wParam=0, LPARAM lParam=0);
	int GetDlgCtrlID();
	HINSTANCE GetInstance();
#endif
};

class ListBox : public Window {
#if PLAT_GTK
	WindowID list;
	WindowID scroller;
	int current;
#endif
public:
	ListBox();
	virtual ~ListBox();
	ListBox &operator=(WindowID id_) {
		id = id_;
		return *this;
	}
	void Create(Window &parent, int ctrlID);
	void Clear();
	void Append(char *s);
	int Length();
	void Select(int n);
	int GetSelection();
	int Find(const char *prefix);
	void GetValue(int n, char *value, int len);
	void Sort();
};

class Menu {
	MenuID id;
public:
	Menu();
	MenuID GetID() { return id; }
	void CreatePopUp();
	void Destroy();
	void Show(Point pt, Window &w);
};

// Platform class used to retrieve system wide parameters such as double click speed
// and chrome colour. Not a creatable object, more of a module with several functions.
class Platform {
	// Private so Platform objects can not be copied
	Platform(const Platform &) {}
	Platform &operator=(const Platform &) { return *this; }
public:
	// Should be private because no new Platforms are ever created
	// but gcc warns about this
	Platform() {}
	~Platform() {}
	static Colour Chrome();
	static Colour ChromeHighlight();
	static const char *DefaultFont();
	static int DefaultFontSize();
	static unsigned int DoubleClickTime();
	static void DebugDisplay(const char *s);
	static bool IsKeyDown(int key);
	static long SendScintilla(
		WindowID w, unsigned int msg, unsigned long wParam=0, long lParam=0);
	
	// These are utility functions not really tied to a platform
	static int Minimum(int a, int b);
	static int Maximum(int a, int b);
	static void DebugPrintf(const char *format, ...);
	static int Clamp(int val, int minVal, int maxVal);
};

#endif
Commit	Line	Data
9ce192d4 RD	1	// Scintilla source code edit control
	2	// Platform.h - interface to platform facilities
	3	// Also includes some basic utilities
	4	// Implemented in PlatGTK.cxx for GTK+/Linux, PlatWin.cxx for Windows, and PlatWX.cxx for wxWindows
	5	// Copyright 1998-2000 by Neil Hodgson <neilh@scintilla.org>
	6	// The License.txt file describes the conditions under which this software may be distributed.
	7
	8	#ifndef PLATFORM_H
	9	#define PLATFORM_H
	10
	11	// PLAT_GTK = GTK+ on Linux, PLAT_WIN = Win32 API on Win32 OS
	12	// PLAT_WX is wxWindows on any supported platform
	13	// Could also have PLAT_GTKWIN = GTK+ on Win32 OS in future
	14
	15	#define PLAT_GTK 0
	16	#define PLAT_WIN 0
	17	#define PLAT_WX 0
	18
	19	#if defined(__WX__)
	20	#undef PLAT_WX
	21	#define PLAT_WX 1
	22
	23	#elif defined(GTK)
	24	#undef PLAT_GTK
	25	#define PLAT_GTK 1
	26
	27	#else
	28	#undef PLAT_WIN
	29	#define PLAT_WIN 1
	30
	31	#endif
	32
	33
	34	// Include the main header for each platform
	35
	36	#if PLAT_GTK
	37	#include <gtk/gtk.h>
	38	#include <gdk/gdkkeysyms.h>
	39	#endif
	40
	41	#if PLAT_WIN
	42	#define _WIN32_WINNT 0x0400 // Otherwise some required stuff gets ifdef'd out
	43	// Vassili Bourdo: shut up annoying Visual C++ warnings:
	44	#ifdef _MSC_VER
	45	#pragma warning(disable: 4800 4244 4309)
	46	#endif
	47	#include <windows.h>
f6bcfd97	48	#include <commctrl.h>
9ce192d4 RD	49	#include <richedit.h>
	50	#endif
	51
	52	#if PLAT_WX
	53	#include <wx/wx.h>
	54	#endif
	55
	56	// Underlying the implementation of the platform classes are platform specific types.
	57	// Sometimes these need to be passed around by client code so they are defined here
	58
	59	#if PLAT_GTK
	60	typedef GdkColor ColourID;
	61	typedef GdkFont* FontID;
	62	typedef GdkDrawable* SurfaceID;
	63	typedef GtkWidget* WindowID;
	64	typedef GtkItemFactory* MenuID;
	65	#endif
	66
	67	#if PLAT_WIN
	68	typedef COLORREF ColourID;
	69	typedef HFONT FontID;
	70	typedef HDC SurfaceID;
	71	typedef HWND WindowID;
	72	typedef HMENU MenuID;
	73	#endif
	74
	75	#if PLAT_WX
	76	typedef wxColour ColourID;
	77	typedef wxFont* FontID;
	78	typedef wxDC* SurfaceID;
	79	typedef wxWindow* WindowID;
	80	typedef wxMenu* MenuID;
	81	#endif
	82
	83	#if PLAT_GTK \|\| PLAT_WX
	84	#define SHIFT_PRESSED 1
	85	#define LEFT_CTRL_PRESSED 2
	86	#define LEFT_ALT_PRESSED 4
	87	#endif
	88
	89	// Point is exactly the same as the Win32 POINT and GTK+ GdkPoint so can be used interchangeably
	90
	91	class Point {
	92	public:
	93	int x;
	94	int y;
	95
	96	Point(int x_=0, int y_=0) : x(x_), y(y_) {
	97	}
	98
	99	// Other automatically defined methods (assignment, copy constructor, destructor) are fine
	100
	101	static Point FromLong(long lpoint);
	102	};
	103
	104	// PRectangle is exactly the same as the Win32 RECT so can be used interchangeably
	105	// PRectangles contain their top and left sides, but not their right and bottom sides
	106	class PRectangle {
	107	public:
	108	int left;
	109	int top;
	110	int right;
	111	int bottom;
	112
113	PRectangle(int left_=0, int top_=0, int right_=0, int bottom_ = 0) :
114	left(left_), top(top_), right(right_), bottom(bottom_) {
115	}
116
117	// Other automatically defined methods (assignment, copy constructor, destructor) are fine
118
119	bool Contains(Point pt) {
120	return (pt.x >= left) && (pt.x <= right) &&
121	(pt.y >= top) && (pt.y <= bottom);
122	}
123	bool Contains(PRectangle rc) {
124	return (rc.left >= left) && (rc.right <= right) &&
125	(rc.top >= top) && (rc.bottom <= bottom);
126	}
127	bool Intersects(PRectangle other) {
128	return (right >= other.left) && (left <= other.right) &&
129	(bottom >= other.top) && (top <= other.bottom);
130	}
131	int Width() { return right - left; }
132	int Height() { return bottom - top; }
133	};
134
135	#if PLAT_WX
136	wxRect wxRectFromPRectangle(PRectangle prc);
137	PRectangle PRectangleFromwxRect(wxRect rc);
138	#endif
139
140	class Colour {
141	ColourID co;
142	public:
143	Colour(long lcol=0);
144	Colour(unsigned int red, unsigned int green, unsigned int blue);
145	bool operator==(const Colour &other) const;
146	long AsLong() const;
147	unsigned int GetRed();
148	unsigned int GetGreen();
149	unsigned int GetBlue();
150
151	friend class Surface;
152	friend class Palette;
153	};
154
155	// Colour pairs hold a desired colour and the colour that the graphics engine
156	// allocates to approximate the desired colour.
157	// To make palette management more automatic, ColourPairs could register at
158	// construction time with a palette management object.
159	struct ColourPair {
160	Colour desired;
161	Colour allocated;
162
163	ColourPair(Colour desired_=Colour(0,0,0)) {
164	desired = desired_;
165	allocated = desired;
166	}
167	};
168
169	class Window; // Forward declaration for Palette
170
171	class Palette {
172	int used;
173	enum {numEntries = 100};
174	ColourPair entries[numEntries];
175	#if PLAT_GTK
176	GdkColor *allocatedPalette;
177	int allocatedLen;
178	#elif PLAT_WIN
179	HPALETTE hpal;
180	#elif PLAT_WX
181	// wxPalette* pal; // **** Is this needed?
182	#endif
183	public:
184	bool allowRealization;
185
186	Palette();
187	~Palette();
188
189	void Release();
190
191	// This method either adds a colour to the list of wanted colours (want==true)
192	// or retrieves the allocated colour back to the ColourPair.
193	// This is one method to make it easier to keep the code for wanting and retrieving in sync.
194	void WantFind(ColourPair &cp, bool want);
195
196	void Allocate(Window &w);
197
198	friend class Surface;
199	};
200
201	class Font {
202	FontID id;
203	#if PLAT_WX
204	int ascent;
205	#endif
206	// Private so Font objects can not be copied
207	Font(const Font &) {}
208	Font &operator=(const Font &) { id=0; return *this; }
209	public:
210	Font();
211	~Font();
212
f6bcfd97	213	void Create(const char *faceName, int characterSet, int size, bool bold, bool italic);
9ce192d4 RD	214	void Release();
	215
	216	FontID GetID() { return id; }
f6bcfd97 BP	217	// Alias another font - caller guarantees not to Release
f6bcfd97 BP	218	void SetID(FontID id_) { id = id_; }
9ce192d4 RD	219	friend class Surface;
	220	};
	221
	222	// A surface abstracts a place to draw
	223	class Surface {
	224	private:
f6bcfd97	225	bool unicodeMode;
9ce192d4 RD	226	#if PLAT_GTK
	227	GdkDrawable *drawable;
	228	GdkGC *gc;
	229	GdkPixmap *ppixmap;
	230	int x;
	231	int y;
	232	bool inited;
	233	bool createdGC;
	234	#elif PLAT_WIN
	235	HDC hdc;
	236	bool hdcOwned;
	237	HPEN pen;
	238	HPEN penOld;
	239	HBRUSH brush;
	240	HBRUSH brushOld;
	241	HFONT font;
	242	HFONT fontOld;
	243	HBITMAP bitmap;
	244	HBITMAP bitmapOld;
	245	HPALETTE paletteOld;
	246	#elif PLAT_WX
	247	wxDC* hdc;
	248	bool hdcOwned;
	249	wxBitmap* bitmap;
	250	int x;
	251	int y;
	252	#endif
	253
	254	// Private so Surface objects can not be copied
	255	Surface(const Surface &) {}
	256	Surface &operator=(const Surface &) { return *this; }
	257	#if PLAT_WIN \|\| PLAT_WX
	258	void BrushColor(Colour back);
	259	void SetFont(Font &font_);
	260	#endif
	261	public:
	262	Surface();
	263	~Surface();
	264
	265	void Init();
	266	void Init(SurfaceID hdc_);
	267	void InitPixMap(int width, int height, Surface *surface_);
	268
	269	void Release();
	270	bool Initialised();
	271	void PenColour(Colour fore);
	272	int LogPixelsY();
f6bcfd97	273	int DeviceHeightFont(int points);
9ce192d4 RD	274	void MoveTo(int x_, int y_);
	275	void LineTo(int x_, int y_);
	276	void Polygon(Point *pts, int npts, Colour fore, Colour back);
	277	void RectangleDraw(PRectangle rc, Colour fore, Colour back);
	278	void FillRectangle(PRectangle rc, Colour back);
	279	void FillRectangle(PRectangle rc, Surface &surfacePattern);
	280	void RoundedRectangle(PRectangle rc, Colour fore, Colour back);
	281	void Ellipse(PRectangle rc, Colour fore, Colour back);
	282	void Copy(PRectangle rc, Point from, Surface &surfaceSource);
	283
	284	void DrawText(PRectangle rc, Font &font_, int ybase, const char *s, int len, Colour fore, Colour back);
	285	void DrawTextClipped(PRectangle rc, Font &font_, int ybase, const char *s, int len, Colour fore, Colour back);
	286	void MeasureWidths(Font &font_, const char s, int len, int positions);
	287	int WidthText(Font &font_, const char *s, int len);
	288	int WidthChar(Font &font_, char ch);
	289	int Ascent(Font &font_);
	290	int Descent(Font &font_);
	291	int InternalLeading(Font &font_);
	292	int ExternalLeading(Font &font_);
	293	int Height(Font &font_);
	294	int AverageCharWidth(Font &font_);
	295
	296	int SetPalette(Palette *pal, bool inBackGround);
	297	void SetClip(PRectangle rc);
f6bcfd97 BP	298	void FlushCachedState();
	299
	300	void SetUnicodeMode(bool unicodeMode_) {
	301	unicodeMode=unicodeMode_;
	302	}
9ce192d4 RD	303	};
	304
	305	// Class to hide the details of window manipulation
	306	// Does not own the window which will normally have a longer life than this object
	307	class Window {
	308	friend class ListBox;
	309	protected:
	310	WindowID id;
	311	public:
	312	Window() : id(0) {}
f6bcfd97	313	Window(const Window &source) : id(source.id) {}
9ce192d4 RD	314	virtual ~Window();
	315	Window &operator=(WindowID id_) {
	316	id = id_;
	317	return *this;
	318	}
	319	WindowID GetID() { return id; }
	320	bool Created() { return id != 0; }
	321	void Destroy();
	322	bool HasFocus();
	323	PRectangle GetPosition();
	324	void SetPosition(PRectangle rc);
	325	void SetPositionRelative(PRectangle rc, Window relativeTo);
	326	PRectangle GetClientPosition();
	327	void Show(bool show=true);
	328	void InvalidateAll();
	329	void InvalidateRectangle(PRectangle rc);
	330	void SetFont(Font &font);
	331	enum Cursor { cursorText, cursorArrow, cursorUp, cursorWait, cursorHoriz, cursorVert, cursorReverseArrow };
	332	void SetCursor(Cursor curs);
	333	void SetTitle(const char *s);
	334	#if PLAT_WIN
	335	LRESULT SendMessage(UINT msg, WPARAM wParam=0, LPARAM lParam=0);
	336	int GetDlgCtrlID();
	337	HINSTANCE GetInstance();
	338	#endif
	339	};
	340
	341	class ListBox : public Window {
	342	#if PLAT_GTK
	343	WindowID list;
	344	WindowID scroller;
	345	int current;
	346	#endif
	347	public:
	348	ListBox();
	349	virtual ~ListBox();
	350	ListBox &operator=(WindowID id_) {
	351	id = id_;
	352	return *this;
	353	}
	354	void Create(Window &parent, int ctrlID);
	355	void Clear();
	356	void Append(char *s);
	357	int Length();
	358	void Select(int n);
	359	int GetSelection();
	360	int Find(const char *prefix);
	361	void GetValue(int n, char *value, int len);
	362	void Sort();
	363	};
	364
	365	class Menu {
	366	MenuID id;
	367	public:
	368	Menu();
	369	MenuID GetID() { return id; }
	370	void CreatePopUp();
	371	void Destroy();
	372	void Show(Point pt, Window &w);
	373	};
	374
	375	// Platform class used to retrieve system wide parameters such as double click speed
	376	// and chrome colour. Not a creatable object, more of a module with several functions.
	377	class Platform {
378	// Private so Platform objects can not be copied
379	Platform(const Platform &) {}
380	Platform &operator=(const Platform &) { return *this; }
381	public:
382	// Should be private because no new Platforms are ever created
383	// but gcc warns about this
384	Platform() {}
385	~Platform() {}
386	static Colour Chrome();
387	static Colour ChromeHighlight();
388	static const char *DefaultFont();
389	static int DefaultFontSize();
390	static unsigned int DoubleClickTime();
391	static void DebugDisplay(const char *s);
392	static bool IsKeyDown(int key);
393	static long SendScintilla(
394	WindowID w, unsigned int msg, unsigned long wParam=0, long lParam=0);
395
396	// These are utility functions not really tied to a platform
397	static int Minimum(int a, int b);
398	static int Maximum(int a, int b);
399	static void DebugPrintf(const char *format, ...);
400	static int Clamp(int val, int minVal, int maxVal);
401	};
402
403	#endif