integrate OS X support for scintilla. a big patch with a little commit message :)

- now uses namespaces (optionally for non-os x) to avoid conflicts with OS X libraries
- several fixes in the OS X layer since the branch was commited in 2005
- used in Komodo since 2005, so pretty stable

1 files changed, 101 insertions, 0 deletions

diff --git a/macosx/PlatMacOSX.h b/macosx/PlatMacOSX.h
new file mode 100644
index 000000000..168ba74ee
--- /dev/null
+++ b/macosx/PlatMacOSX.h
@@ -0,0 +1,101 @@
+#ifndef PLATMACOSX_H
+#define PLATMACOSX_H
+
+#include <cstring>
+#include <cstdio>
+#include <cstdlib>
+
+#include <assert.h>
+
+#include <sys/time.h>
+
+#include <Carbon/Carbon.h>
+#include "QuartzTextLayout.h"
+
+#include "Platform.h"
+#include "Scintilla.h"
+
+namespace Scintilla {
+
+class SurfaceImpl : public Surface {
+private:
+    bool unicodeMode;
+    float x;
+    float y;
+
+#ifdef SUPPORT_PORT
+    CGrafPtr port;
+#endif
+    CGContextRef gc;
+
+
+    /** If the surface is a bitmap context, contains a reference to the bitmap data. */
+    uint8_t* bitmapData;
+    /** If the surface is a bitmap context, stores the dimensions of the bitmap. */
+    int bitmapWidth;
+    int bitmapHeight;
+
+    /** Set the CGContext's fill colour to the specified allocated colour. */
+    void FillColour( const ColourAllocated& back );
+
+
+    // 24-bit RGB+A bitmap data constants
+    static const int BITS_PER_COMPONENT = 8;
+    static const int BITS_PER_PIXEL = BITS_PER_COMPONENT * 4;
+    static const int BYTES_PER_PIXEL = BITS_PER_PIXEL / 8;
+public:
+    SurfaceImpl();
+    ~SurfaceImpl();
+
+    void Init(WindowID wid);
+    void Init(SurfaceID sid, WindowID wid);
+    void InitPixMap(int width, int height, Surface *surface_, WindowID wid);
+    CGContextRef GetContext() { return gc; }
+
+    void Release();
+    bool Initialised();
+    void PenColour(ColourAllocated fore);
+
+    /** Returns a CGImageRef that represents the surface. Returns NULL if this is not possible. */
+    CGImageRef GetImage();
+    void CopyImageRectangle(Surface &surfaceSource, PRectangle srcRect, PRectangle dstRect);
+
+    int LogPixelsY();
+    int DeviceHeightFont(int points);
+    void MoveTo(int x_, int y_);
+    void LineTo(int x_, int y_);
+    void Polygon(Scintilla::Point *pts, int npts, ColourAllocated fore, ColourAllocated back);
+    void RectangleDraw(PRectangle rc, ColourAllocated fore, ColourAllocated back);
+    void FillRectangle(PRectangle rc, ColourAllocated back);
+    void FillRectangle(PRectangle rc, Surface &surfacePattern);
+    void RoundedRectangle(PRectangle rc, ColourAllocated fore, ColourAllocated back);
+    void AlphaRectangle(PRectangle rc, int cornerSize, ColourAllocated fill, int alphaFill,
+            ColourAllocated outline, int alphaOutline, int flags);
+    void Ellipse(PRectangle rc, ColourAllocated fore, ColourAllocated back);
+    void Copy(PRectangle rc, Scintilla::Point from, Surface &surfaceSource);
+
+    QuartzTextLayout* GetTextLayout( Font &font_, const char *s, int len );
+    void DrawTextNoClip(PRectangle rc, Font &font_, int ybase, const char *s, int len, ColourAllocated fore, ColourAllocated back);
+    void DrawTextClipped(PRectangle rc, Font &font_, int ybase, const char *s, int len, ColourAllocated fore, ColourAllocated back);
+    void DrawTextTransparent(PRectangle rc, Font &font_, int ybase, const char *s, int len, ColourAllocated fore);
+    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(Scintilla::Palette *pal, bool inBackGround);
+    void SetClip(PRectangle rc);
+    void FlushCachedState();
+
+    void SetUnicodeMode(bool unicodeMode_);
+    void SetDBCSMode(int codePage);
+};
+
+}
+
+#endif