[de116e]: cocoa / PlatCocoa.mm Maximize Restore History

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PlatCocoa.mm    2172 lines (1822 with data), 60.9 kB

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/**
* Scintilla source code edit control
* PlatCocoa.mm - implementation of platform facilities on MacOS X/Cocoa
*
* Written by Mike Lischke
* Based on PlatMacOSX.cxx
* Based on work by Evan Jones (c) 2002 <ejones@uwaterloo.ca>
* Based on PlatGTK.cxx Copyright 1998-2002 by Neil Hodgson <neilh@scintilla.org>
* The License.txt file describes the conditions under which this software may be distributed.
*
* Copyright 2009 Sun Microsystems, Inc. All rights reserved.
* This file is dual licensed under LGPL v2.1 and the Scintilla license (http://www.scintilla.org/License.txt).
*/
#import "ScintillaView.h"
#import "PlatCocoa.h"
#include <cstring>
#include <cstdio>
#include <cstdlib>
#include <assert.h>
#include <sys/time.h>
#include <stdexcept>
#include <vector>
#include <map>
#include "XPM.h"
#import <Foundation/NSGeometry.h>
using namespace Scintilla;
extern sptr_t scintilla_send_message(void* sci, unsigned int iMessage, uptr_t wParam, sptr_t lParam);
//--------------------------------------------------------------------------------------------------
/**
* Converts a PRectangle as used by Scintilla to standard Obj-C NSRect structure .
*/
NSRect PRectangleToNSRect(PRectangle& rc)
{
return NSMakeRect(rc.left, rc.top, rc.Width(), rc.Height());
}
//--------------------------------------------------------------------------------------------------
/**
* Converts an NSRect as used by the system to a native Scintilla rectangle.
*/
PRectangle NSRectToPRectangle(NSRect& rc)
{
return PRectangle(rc.origin.x, rc.origin.y, rc.size.width + rc.origin.x, rc.size.height + rc.origin.y);
}
//--------------------------------------------------------------------------------------------------
/**
* Converts a PRctangle as used by Scintilla to a Quartz-style rectangle.
*/
inline CGRect PRectangleToCGRect(PRectangle& rc)
{
return CGRectMake(rc.left, rc.top, rc.Width(), rc.Height());
}
//--------------------------------------------------------------------------------------------------
/**
* Converts a Quartz-style rectangle to a PRectangle structure as used by Scintilla.
*/
inline PRectangle CGRectToPRectangle(const CGRect& rect)
{
PRectangle rc;
rc.left = (int)(rect.origin.x + 0.5);
rc.top = (int)(rect.origin.y + 0.5);
rc.right = (int)(rect.origin.x + rect.size.width + 0.5);
rc.bottom = (int)(rect.origin.y + rect.size.height + 0.5);
return rc;
}
//----------------- Point --------------------------------------------------------------------------
/**
* Converts a point given as a long into a native Point structure.
*/
Scintilla::Point Scintilla::Point::FromLong(long lpoint)
{
return Scintilla::Point(
Platform::LowShortFromLong(lpoint),
Platform::HighShortFromLong(lpoint)
);
}
//----------------- Font ---------------------------------------------------------------------------
Font::Font(): fid(0)
{
}
//--------------------------------------------------------------------------------------------------
Font::~Font()
{
Release();
}
//--------------------------------------------------------------------------------------------------
static int FontCharacterSet(Font &f) {
return reinterpret_cast<QuartzTextStyle *>(f.GetID())->getCharacterSet();
}
/**
* Creates a CTFontRef with the given properties.
*/
void Font::Create(const FontParameters &fp)
{
Release();
QuartzTextStyle* style = new QuartzTextStyle();
fid = style;
// Create the font with attributes
QuartzFont font(fp.faceName, strlen(fp.faceName), fp.size, fp.weight, fp.italic);
CTFontRef fontRef = font.getFontID();
style->setFontRef(fontRef, fp.characterSet);
}
//--------------------------------------------------------------------------------------------------
void Font::Release()
{
if (fid)
delete reinterpret_cast<QuartzTextStyle*>( fid );
fid = 0;
}
//----------------- SurfaceImpl --------------------------------------------------------------------
SurfaceImpl::SurfaceImpl()
{
unicodeMode = true;
x = 0;
y = 0;
gc = NULL;
textLayout = new QuartzTextLayout(NULL);
codePage = 0;
verticalDeviceResolution = 0;
bitmapData = NULL; // Release will try and delete bitmapData if != NULL
bitmapWidth = 0;
bitmapHeight = 0;
Release();
}
//--------------------------------------------------------------------------------------------------
SurfaceImpl::~SurfaceImpl()
{
Release();
delete textLayout;
}
//--------------------------------------------------------------------------------------------------
void SurfaceImpl::Release()
{
textLayout->setContext (NULL);
if ( bitmapData != NULL )
{
delete[] bitmapData;
// We only "own" the graphics context if we are a bitmap context
if (gc != NULL)
CGContextRelease(gc);
}
bitmapData = NULL;
gc = NULL;
bitmapWidth = 0;
bitmapHeight = 0;
x = 0;
y = 0;
}
//--------------------------------------------------------------------------------------------------
bool SurfaceImpl::Initialised()
{
// We are initalised if the graphics context is not null
return gc != NULL;// || port != NULL;
}
//--------------------------------------------------------------------------------------------------
void SurfaceImpl::Init(WindowID)
{
// To be able to draw, the surface must get a CGContext handle. We save the graphics port,
// then aquire/release the context on an as-need basis (see above).
// XXX Docs on QDBeginCGContext are light, a better way to do this would be good.
// AFAIK we should not hold onto a context retrieved this way, thus the need for
// aquire/release of the context.
Release();
}
//--------------------------------------------------------------------------------------------------
void SurfaceImpl::Init(SurfaceID sid, WindowID)
{
Release();
gc = reinterpret_cast<CGContextRef>(sid);
CGContextSetLineWidth(gc, 1.0);
textLayout->setContext(gc);
}
//--------------------------------------------------------------------------------------------------
void SurfaceImpl::InitPixMap(int width, int height, Surface* /* surface_ */, WindowID /* wid */)
{
Release();
// Create a new bitmap context, along with the RAM for the bitmap itself
bitmapWidth = width;
bitmapHeight = height;
const int bitmapBytesPerRow = (width * BYTES_PER_PIXEL);
const int bitmapByteCount = (bitmapBytesPerRow * height);
// Create an RGB color space.
CGColorSpaceRef colorSpace = CGColorSpaceCreateDeviceRGB();
if (colorSpace == NULL)
return;
// Create the bitmap.
bitmapData = new uint8_t[bitmapByteCount];
// create the context
gc = CGBitmapContextCreate(bitmapData,
width,
height,
BITS_PER_COMPONENT,
bitmapBytesPerRow,
colorSpace,
kCGImageAlphaPremultipliedLast);
if (gc == NULL)
{
// the context couldn't be created for some reason,
// and we have no use for the bitmap without the context
delete[] bitmapData;
bitmapData = NULL;
}
textLayout->setContext (gc);
// the context retains the color space, so we can release it
CGColorSpaceRelease(colorSpace);
if (gc != NULL && bitmapData != NULL)
{
// "Erase" to white.
CGContextClearRect( gc, CGRectMake( 0, 0, width, height ) );
CGContextSetRGBFillColor( gc, 1.0, 1.0, 1.0, 1.0 );
CGContextFillRect( gc, CGRectMake( 0, 0, width, height ) );
}
}
//--------------------------------------------------------------------------------------------------
void SurfaceImpl::PenColour(ColourDesired fore)
{
if (gc)
{
ColourDesired colour(fore.AsLong());
// Set the Stroke color to match
CGContextSetRGBStrokeColor(gc, colour.GetRed() / 255.0, colour.GetGreen() / 255.0,
colour.GetBlue() / 255.0, 1.0 );
}
}
//--------------------------------------------------------------------------------------------------
void SurfaceImpl::FillColour(const ColourDesired& back)
{
if (gc)
{
ColourDesired colour(back.AsLong());
// Set the Fill color to match
CGContextSetRGBFillColor(gc, colour.GetRed() / 255.0, colour.GetGreen() / 255.0,
colour.GetBlue() / 255.0, 1.0 );
}
}
//--------------------------------------------------------------------------------------------------
CGImageRef SurfaceImpl::GetImage()
{
// For now, assume that GetImage can only be called on PixMap surfaces.
if (bitmapData == NULL)
return NULL;
CGContextFlush(gc);
// Create an RGB color space.
CGColorSpaceRef colorSpace = CGColorSpaceCreateDeviceRGB();
if( colorSpace == NULL )
return NULL;
const int bitmapBytesPerRow = ((int) bitmapWidth * BYTES_PER_PIXEL);
const int bitmapByteCount = (bitmapBytesPerRow * (int) bitmapHeight);
// Make a copy of the bitmap data for the image creation and divorce it
// From the SurfaceImpl lifetime
CFDataRef dataRef = CFDataCreate(kCFAllocatorDefault, bitmapData, bitmapByteCount);
// Create a data provider.
CGDataProviderRef dataProvider = CGDataProviderCreateWithCFData(dataRef);
CGImageRef image = NULL;
if (dataProvider != NULL)
{
// Create the CGImage.
image = CGImageCreate(bitmapWidth,
bitmapHeight,
BITS_PER_COMPONENT,
BITS_PER_PIXEL,
bitmapBytesPerRow,
colorSpace,
kCGImageAlphaPremultipliedLast,
dataProvider,
NULL,
0,
kCGRenderingIntentDefault);
}
// The image retains the color space, so we can release it.
CGColorSpaceRelease(colorSpace);
colorSpace = NULL;
// Done with the data provider.
CGDataProviderRelease(dataProvider);
dataProvider = NULL;
// Done with the data provider.
CFRelease(dataRef);
return image;
}
//--------------------------------------------------------------------------------------------------
/**
* Returns the vertical logical device resolution of the main monitor.
* This is no longer called.
* For Cocoa, all screens are treated as 72 DPI, even retina displays.
*/
int SurfaceImpl::LogPixelsY()
{
return 72;
}
//--------------------------------------------------------------------------------------------------
/**
* Converts the logical font height in points into a device height.
* For Cocoa, points are always used for the result even on retina displays.
*/
int SurfaceImpl::DeviceHeightFont(int points)
{
return points;
}
//--------------------------------------------------------------------------------------------------
void SurfaceImpl::MoveTo(int x_, int y_)
{
x = x_;
y = y_;
}
//--------------------------------------------------------------------------------------------------
void SurfaceImpl::LineTo(int x_, int y_)
{
CGContextBeginPath( gc );
// Because Quartz is based on floating point, lines are drawn with half their colour
// on each side of the line. Integer coordinates specify the INTERSECTION of the pixel
// divison lines. If you specify exact pixel values, you get a line that
// is twice as thick but half as intense. To get pixel aligned rendering,
// we render the "middle" of the pixels by adding 0.5 to the coordinates.
CGContextMoveToPoint( gc, x + 0.5, y + 0.5 );
CGContextAddLineToPoint( gc, x_ + 0.5, y_ + 0.5 );
CGContextStrokePath( gc );
x = x_;
y = y_;
}
//--------------------------------------------------------------------------------------------------
void SurfaceImpl::Polygon(Scintilla::Point *pts, int npts, ColourDesired fore,
ColourDesired back)
{
// Allocate memory for the array of points.
std::vector<CGPoint> points(npts);
for (int i = 0;i < npts;i++)
{
// Quartz floating point issues: plot the MIDDLE of the pixels
points[i].x = pts[i].x + 0.5;
points[i].y = pts[i].y + 0.5;
}
CGContextBeginPath(gc);
// Set colours
FillColour(back);
PenColour(fore);
// Draw the polygon
CGContextAddLines(gc, points.data(), npts);
// Explicitly close the path, so it is closed for stroking AND filling (implicit close = filling only)
CGContextClosePath( gc );
CGContextDrawPath( gc, kCGPathFillStroke );
}
//--------------------------------------------------------------------------------------------------
void SurfaceImpl::RectangleDraw(PRectangle rc, ColourDesired fore, ColourDesired back)
{
if (gc)
{
CGContextBeginPath( gc );
FillColour(back);
PenColour(fore);
// Quartz integer -> float point conversion fun (see comment in SurfaceImpl::LineTo)
// We subtract 1 from the Width() and Height() so that all our drawing is within the area defined
// by the PRectangle. Otherwise, we draw one pixel too far to the right and bottom.
CGContextAddRect( gc, CGRectMake( rc.left + 0.5, rc.top + 0.5, rc.Width() - 1, rc.Height() - 1 ) );
CGContextDrawPath( gc, kCGPathFillStroke );
}
}
//--------------------------------------------------------------------------------------------------
void SurfaceImpl::FillRectangle(PRectangle rc, ColourDesired back)
{
if (gc)
{
FillColour(back);
// Snap rectangle boundaries to nearest int
rc.left = lround(rc.left);
rc.right = lround(rc.right);
CGRect rect = PRectangleToCGRect(rc);
CGContextFillRect(gc, rect);
}
}
//--------------------------------------------------------------------------------------------------
void drawImageRefCallback(CGImageRef pattern, CGContextRef gc)
{
CGContextDrawImage(gc, CGRectMake(0, 0, CGImageGetWidth(pattern), CGImageGetHeight(pattern)), pattern);
}
//--------------------------------------------------------------------------------------------------
void releaseImageRefCallback(CGImageRef pattern)
{
CGImageRelease(pattern);
}
//--------------------------------------------------------------------------------------------------
void SurfaceImpl::FillRectangle(PRectangle rc, Surface &surfacePattern)
{
SurfaceImpl& patternSurface = static_cast<SurfaceImpl &>(surfacePattern);
// For now, assume that copy can only be called on PixMap surfaces. Shows up black.
CGImageRef image = patternSurface.GetImage();
if (image == NULL)
{
FillRectangle(rc, ColourDesired(0));
return;
}
const CGPatternCallbacks drawImageCallbacks = { 0,
reinterpret_cast<CGPatternDrawPatternCallback>(drawImageRefCallback),
reinterpret_cast<CGPatternReleaseInfoCallback>(releaseImageRefCallback) };
CGPatternRef pattern = CGPatternCreate(image,
CGRectMake(0, 0, patternSurface.bitmapWidth, patternSurface.bitmapHeight),
CGAffineTransformIdentity,
patternSurface.bitmapWidth,
patternSurface.bitmapHeight,
kCGPatternTilingNoDistortion,
true,
&drawImageCallbacks
);
if (pattern != NULL)
{
// Create a pattern color space
CGColorSpaceRef colorSpace = CGColorSpaceCreatePattern( NULL );
if( colorSpace != NULL ) {
CGContextSaveGState( gc );
CGContextSetFillColorSpace( gc, colorSpace );
// Unlike the documentation, you MUST pass in a "components" parameter:
// For coloured patterns it is the alpha value.
const CGFloat alpha = 1.0;
CGContextSetFillPattern( gc, pattern, &alpha );
CGContextFillRect( gc, PRectangleToCGRect( rc ) );
CGContextRestoreGState( gc );
// Free the color space, the pattern and image
CGColorSpaceRelease( colorSpace );
} /* colorSpace != NULL */
colorSpace = NULL;
CGPatternRelease( pattern );
pattern = NULL;
} /* pattern != NULL */
}
void SurfaceImpl::RoundedRectangle(PRectangle rc, ColourDesired fore, ColourDesired back) {
// This is only called from the margin marker drawing code for SC_MARK_ROUNDRECT
// The Win32 version does
// ::RoundRect(hdc, rc.left + 1, rc.top, rc.right - 1, rc.bottom, 8, 8 );
// which is a rectangle with rounded corners each having a radius of 4 pixels.
// It would be almost as good just cutting off the corners with lines at
// 45 degrees as is done on GTK+.
// Create a rectangle with semicircles at the corners
const int MAX_RADIUS = 4;
int radius = Platform::Minimum( MAX_RADIUS, rc.Height()/2 );
radius = Platform::Minimum( radius, rc.Width()/2 );
// Points go clockwise, starting from just below the top left
// Corners are kept together, so we can easily create arcs to connect them
CGPoint corners[4][3] =
{
{
{ rc.left, rc.top + radius },
{ rc.left, rc.top },
{ rc.left + radius, rc.top },
},
{
{ rc.right - radius - 1, rc.top },
{ rc.right - 1, rc.top },
{ rc.right - 1, rc.top + radius },
},
{
{ rc.right - 1, rc.bottom - radius - 1 },
{ rc.right - 1, rc.bottom - 1 },
{ rc.right - radius - 1, rc.bottom - 1 },
},
{
{ rc.left + radius, rc.bottom - 1 },
{ rc.left, rc.bottom - 1 },
{ rc.left, rc.bottom - radius - 1 },
},
};
// Align the points in the middle of the pixels
for( int i = 0; i < 4; ++ i )
{
for( int j = 0; j < 3; ++ j )
{
corners[i][j].x += 0.5;
corners[i][j].y += 0.5;
}
}
PenColour( fore );
FillColour( back );
// Move to the last point to begin the path
CGContextBeginPath( gc );
CGContextMoveToPoint( gc, corners[3][2].x, corners[3][2].y );
for ( int i = 0; i < 4; ++ i )
{
CGContextAddLineToPoint( gc, corners[i][0].x, corners[i][0].y );
CGContextAddArcToPoint( gc, corners[i][1].x, corners[i][1].y, corners[i][2].x, corners[i][2].y, radius );
}
// Close the path to enclose it for stroking and for filling, then draw it
CGContextClosePath( gc );
CGContextDrawPath( gc, kCGPathFillStroke );
}
void Scintilla::SurfaceImpl::AlphaRectangle(PRectangle rc, int /*cornerSize*/, ColourDesired fill, int alphaFill,
ColourDesired /*outline*/, int /*alphaOutline*/, int /*flags*/)
{
if ( gc ) {
ColourDesired colour( fill.AsLong() );
// Snap rectangle boundaries to nearest int
rc.left = lround(rc.left);
rc.right = lround(rc.right);
// Set the Fill color to match
CGContextSetRGBFillColor( gc, colour.GetRed() / 255.0, colour.GetGreen() / 255.0, colour.GetBlue() / 255.0, alphaFill / 255.0 );
CGRect rect = PRectangleToCGRect( rc );
CGContextFillRect( gc, rect );
}
}
static void ProviderReleaseData(void *, const void *data, size_t) {
const unsigned char *pixels = reinterpret_cast<const unsigned char *>(data);
delete []pixels;
}
static CGImageRef ImageCreateFromRGBA(int width, int height, const unsigned char *pixelsImage, bool invert) {
CGImageRef image = 0;
// Create an RGB color space.
CGColorSpaceRef colorSpace = CGColorSpaceCreateDeviceRGB();
if (colorSpace) {
const int bitmapBytesPerRow = ((int) width * 4);
const int bitmapByteCount = (bitmapBytesPerRow * (int) height);
// Create a data provider.
CGDataProviderRef dataProvider = 0;
if (invert) {
unsigned char *pixelsUpsideDown = new unsigned char[bitmapByteCount];
for (int y=0; y<height; y++) {
int yInverse = height - y - 1;
memcpy(pixelsUpsideDown + y * bitmapBytesPerRow,
pixelsImage + yInverse * bitmapBytesPerRow,
bitmapBytesPerRow);
}
dataProvider = CGDataProviderCreateWithData(
NULL, pixelsUpsideDown, bitmapByteCount, ProviderReleaseData);
} else {
dataProvider = CGDataProviderCreateWithData(
NULL, pixelsImage, bitmapByteCount, NULL);
}
if (dataProvider) {
// Create the CGImage.
image = CGImageCreate(width,
height,
8,
8 * 4,
bitmapBytesPerRow,
colorSpace,
kCGImageAlphaLast,
dataProvider,
NULL,
0,
kCGRenderingIntentDefault);
CGDataProviderRelease(dataProvider);
}
// The image retains the color space, so we can release it.
CGColorSpaceRelease(colorSpace);
}
return image;
}
void SurfaceImpl::DrawRGBAImage(PRectangle rc, int width, int height, const unsigned char *pixelsImage) {
CGImageRef image = ImageCreateFromRGBA(width, height, pixelsImage, true);
if (image) {
CGRect drawRect = CGRectMake(rc.left, rc.top, rc.Width(), rc.Height());
CGContextDrawImage(gc, drawRect, image);
CGImageRelease(image);
}
}
void SurfaceImpl::Ellipse(PRectangle rc, ColourDesired fore, ColourDesired back) {
// Drawing an ellipse with bezier curves. Code modified from:
// http://www.codeguru.com/gdi/ellipse.shtml
// MAGICAL CONSTANT to map ellipse to beziers 2/3*(sqrt(2)-1)
const double EToBConst = 0.2761423749154;
CGSize offset = CGSizeMake((int)(rc.Width() * EToBConst), (int)(rc.Height() * EToBConst));
CGPoint centre = CGPointMake((rc.left + rc.right) / 2, (rc.top + rc.bottom) / 2);
// The control point array
CGPoint cCtlPt[13];
// Assign values to all the control points
cCtlPt[0].x =
cCtlPt[1].x =
cCtlPt[11].x =
cCtlPt[12].x = rc.left + 0.5;
cCtlPt[5].x =
cCtlPt[6].x =
cCtlPt[7].x = rc.right - 0.5;
cCtlPt[2].x =
cCtlPt[10].x = centre.x - offset.width + 0.5;
cCtlPt[4].x =
cCtlPt[8].x = centre.x + offset.width + 0.5;
cCtlPt[3].x =
cCtlPt[9].x = centre.x + 0.5;
cCtlPt[2].y =
cCtlPt[3].y =
cCtlPt[4].y = rc.top + 0.5;
cCtlPt[8].y =
cCtlPt[9].y =
cCtlPt[10].y = rc.bottom - 0.5;
cCtlPt[7].y =
cCtlPt[11].y = centre.y + offset.height + 0.5;
cCtlPt[1].y =
cCtlPt[5].y = centre.y - offset.height + 0.5;
cCtlPt[0].y =
cCtlPt[12].y =
cCtlPt[6].y = centre.y + 0.5;
FillColour(back);
PenColour(fore);
CGContextBeginPath( gc );
CGContextMoveToPoint( gc, cCtlPt[0].x, cCtlPt[0].y );
for ( int i = 1; i < 13; i += 3 )
{
CGContextAddCurveToPoint( gc, cCtlPt[i].x, cCtlPt[i].y, cCtlPt[i+1].x, cCtlPt[i+1].y, cCtlPt[i+2].x, cCtlPt[i+2].y );
}
// Close the path to enclose it for stroking and for filling, then draw it
CGContextClosePath( gc );
CGContextDrawPath( gc, kCGPathFillStroke );
}
void SurfaceImpl::CopyImageRectangle(Surface &surfaceSource, PRectangle srcRect, PRectangle dstRect)
{
SurfaceImpl& source = static_cast<SurfaceImpl &>(surfaceSource);
CGImageRef image = source.GetImage();
CGRect src = PRectangleToCGRect(srcRect);
CGRect dst = PRectangleToCGRect(dstRect);
/* source from QuickDrawToQuartz2D.pdf on developer.apple.com */
float w = (float) CGImageGetWidth(image);
float h = (float) CGImageGetHeight(image);
CGRect drawRect = CGRectMake (0, 0, w, h);
if (!CGRectEqualToRect (src, dst))
{
float sx = CGRectGetWidth(dst) / CGRectGetWidth(src);
float sy = CGRectGetHeight(dst) / CGRectGetHeight(src);
float dx = CGRectGetMinX(dst) - (CGRectGetMinX(src) * sx);
float dy = CGRectGetMinY(dst) - (CGRectGetMinY(src) * sy);
drawRect = CGRectMake (dx, dy, w*sx, h*sy);
}
CGContextSaveGState (gc);
CGContextClipToRect (gc, dst);
CGContextDrawImage (gc, drawRect, image);
CGContextRestoreGState (gc);
CGImageRelease(image);
}
void SurfaceImpl::Copy(PRectangle rc, Scintilla::Point from, Surface &surfaceSource) {
// Maybe we have to make the Surface two contexts:
// a bitmap context which we do all the drawing on, and then a "real" context
// which we copy the output to when we call "Synchronize". Ugh! Gross and slow!
// For now, assume that copy can only be called on PixMap surfaces
SurfaceImpl& source = static_cast<SurfaceImpl &>(surfaceSource);
// Get the CGImageRef
CGImageRef image = source.GetImage();
// If we could not get an image reference, fill the rectangle black
if ( image == NULL )
{
FillRectangle( rc, ColourDesired( 0 ) );
return;
}
// Now draw the image on the surface
// Some fancy clipping work is required here: draw only inside of rc
CGContextSaveGState( gc );
CGContextClipToRect( gc, PRectangleToCGRect( rc ) );
//Platform::DebugPrintf(stderr, "Copy: CGContextDrawImage: (%d, %d) - (%d X %d)\n", rc.left - from.x, rc.top - from.y, source.bitmapWidth, source.bitmapHeight );
CGContextDrawImage( gc, CGRectMake( rc.left - from.x, rc.top - from.y, source.bitmapWidth, source.bitmapHeight ), image );
// Undo the clipping fun
CGContextRestoreGState( gc );
// Done with the image
CGImageRelease( image );
image = NULL;
}
//--------------------------------------------------------------------------------------------------
void SurfaceImpl::DrawTextNoClip(PRectangle rc, Font &font_, XYPOSITION ybase, const char *s, int len,
ColourDesired fore, ColourDesired back)
{
FillRectangle(rc, back);
DrawTextTransparent(rc, font_, ybase, s, len, fore);
}
//--------------------------------------------------------------------------------------------------
void SurfaceImpl::DrawTextClipped(PRectangle rc, Font &font_, XYPOSITION ybase, const char *s, int len,
ColourDesired fore, ColourDesired back)
{
CGContextSaveGState(gc);
CGContextClipToRect(gc, PRectangleToCGRect(rc));
DrawTextNoClip(rc, font_, ybase, s, len, fore, back);
CGContextRestoreGState(gc);
}
//--------------------------------------------------------------------------------------------------
CFStringEncoding EncodingFromCharacterSet(bool unicode, int characterSet)
{
if (unicode)
return kCFStringEncodingUTF8;
// Unsupported -> Latin1 as reasonably safe
enum { notSupported = kCFStringEncodingISOLatin1};
switch (characterSet)
{
case SC_CHARSET_ANSI:
return kCFStringEncodingISOLatin1;
case SC_CHARSET_DEFAULT:
return kCFStringEncodingISOLatin1;
case SC_CHARSET_BALTIC:
return kCFStringEncodingWindowsBalticRim;
case SC_CHARSET_CHINESEBIG5:
return kCFStringEncodingBig5;
case SC_CHARSET_EASTEUROPE:
return kCFStringEncodingWindowsLatin2;
case SC_CHARSET_GB2312:
return kCFStringEncodingGB_18030_2000;
case SC_CHARSET_GREEK:
return kCFStringEncodingWindowsGreek;
case SC_CHARSET_HANGUL:
return kCFStringEncodingEUC_KR;
case SC_CHARSET_MAC:
return kCFStringEncodingMacRoman;
case SC_CHARSET_OEM:
return kCFStringEncodingISOLatin1;
case SC_CHARSET_RUSSIAN:
return kCFStringEncodingKOI8_R;
case SC_CHARSET_CYRILLIC:
return kCFStringEncodingWindowsCyrillic;
case SC_CHARSET_SHIFTJIS:
return kCFStringEncodingShiftJIS;
case SC_CHARSET_SYMBOL:
return kCFStringEncodingMacSymbol;
case SC_CHARSET_TURKISH:
return kCFStringEncodingWindowsLatin5;
case SC_CHARSET_JOHAB:
return kCFStringEncodingWindowsKoreanJohab;
case SC_CHARSET_HEBREW:
return kCFStringEncodingWindowsHebrew;
case SC_CHARSET_ARABIC:
return kCFStringEncodingWindowsArabic;
case SC_CHARSET_VIETNAMESE:
return kCFStringEncodingWindowsVietnamese;
case SC_CHARSET_THAI:
return kCFStringEncodingISOLatinThai;
case SC_CHARSET_8859_15:
return kCFStringEncodingISOLatin1;
default:
return notSupported;
}
}
void SurfaceImpl::DrawTextTransparent(PRectangle rc, Font &font_, XYPOSITION ybase, const char *s, int len,
ColourDesired fore)
{
CFStringEncoding encoding = EncodingFromCharacterSet(unicodeMode, FontCharacterSet(font_));
ColourDesired colour(fore.AsLong());
CGColorRef color = CGColorCreateGenericRGB(colour.GetRed()/255.0,colour.GetGreen()/255.0,colour.GetBlue()/255.0,1.0);
QuartzTextStyle* style = reinterpret_cast<QuartzTextStyle*>(font_.GetID());
style->setCTStyleColor(color);
CGColorRelease(color);
textLayout->setText (reinterpret_cast<const UInt8*>(s), len, encoding, *reinterpret_cast<QuartzTextStyle*>(font_.GetID()));
textLayout->draw(rc.left, ybase);
}
static size_t utf8LengthFromLead(unsigned char uch) {
if (uch >= (0x80 + 0x40 + 0x20 + 0x10)) {
return 4;
} else if (uch >= (0x80 + 0x40 + 0x20)) {
return 3;
} else if (uch >= (0x80)) {
return 2;
} else {
return 1;
}
}
//--------------------------------------------------------------------------------------------------
void SurfaceImpl::MeasureWidths(Font &font_, const char *s, int len, XYPOSITION *positions)
{
CFStringEncoding encoding = EncodingFromCharacterSet(unicodeMode, FontCharacterSet(font_));
textLayout->setText (reinterpret_cast<const UInt8*>(s), len, encoding, *reinterpret_cast<QuartzTextStyle*>(font_.GetID()));
CTLineRef mLine = textLayout->getCTLine();
assert(mLine != NULL);
if (unicodeMode) {
// Map the widths given for UTF-16 characters back onto the UTF-8 input string
CFIndex fit = textLayout->getStringLength();
int ui=0;
const unsigned char *us = reinterpret_cast<const unsigned char *>(s);
int i=0;
while (ui<fit) {
size_t lenChar = utf8LengthFromLead(us[i]);
size_t codeUnits = (lenChar < 4) ? 1 : 2;
CGFloat xPosition = CTLineGetOffsetForStringIndex(mLine, ui+1, NULL);
for (unsigned int bytePos=0; (bytePos<lenChar) && (i<len); bytePos++) {
positions[i++] = xPosition;
}
ui += codeUnits;
}
int lastPos = 0;
if (i > 0)
lastPos = positions[i-1];
while (i<len) {
positions[i++] = lastPos;
}
} else if (codePage) {
int ui = 0;
for (int i=0;i<len;) {
size_t lenChar = Platform::IsDBCSLeadByte(codePage, s[i]) ? 2 : 1;
CGFloat xPosition = CTLineGetOffsetForStringIndex(mLine, ui+1, NULL);
for (unsigned int bytePos=0; (bytePos<lenChar) && (i<len); bytePos++) {
positions[i++] = xPosition;
}
ui++;
}
} else { // Single byte encoding
for (int i=0;i<len;i++) {
CGFloat xPosition = CTLineGetOffsetForStringIndex(mLine, i+1, NULL);
positions[i] = xPosition;
}
}
}
XYPOSITION SurfaceImpl::WidthText(Font &font_, const char *s, int len) {
if (font_.GetID())
{
CFStringEncoding encoding = EncodingFromCharacterSet(unicodeMode, FontCharacterSet(font_));
textLayout->setText (reinterpret_cast<const UInt8*>(s), len, encoding, *reinterpret_cast<QuartzTextStyle*>(font_.GetID()));
return textLayout->MeasureStringWidth();
}
return 1;
}
XYPOSITION SurfaceImpl::WidthChar(Font &font_, char ch) {
char str[2] = { ch, '\0' };
if (font_.GetID())
{
CFStringEncoding encoding = EncodingFromCharacterSet(unicodeMode, FontCharacterSet(font_));
textLayout->setText (reinterpret_cast<const UInt8*>(str), 1, encoding, *reinterpret_cast<QuartzTextStyle*>(font_.GetID()));
return textLayout->MeasureStringWidth();
}
else
return 1;
}
// This string contains a good range of characters to test for size.
const char sizeString[] = "`~!@#$%^&*()-_=+\\|[]{};:\"\'<,>.?/1234567890"
"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
XYPOSITION SurfaceImpl::Ascent(Font &font_) {
if (!font_.GetID())
return 1;
float ascent = reinterpret_cast<QuartzTextStyle*>( font_.GetID() )->getAscent();
return ascent + 0.5;
}
XYPOSITION SurfaceImpl::Descent(Font &font_) {
if (!font_.GetID())
return 1;
float descent = reinterpret_cast<QuartzTextStyle*>( font_.GetID() )->getDescent();
return descent + 0.5;
}
XYPOSITION SurfaceImpl::InternalLeading(Font &) {
return 0;
}
XYPOSITION SurfaceImpl::ExternalLeading(Font &font_) {
if (!font_.GetID())
return 1;
float leading = reinterpret_cast<QuartzTextStyle*>( font_.GetID() )->getLeading();
return leading + 0.5;
}
XYPOSITION SurfaceImpl::Height(Font &font_) {
int ht = Ascent(font_) + Descent(font_);
return ht;
}
XYPOSITION SurfaceImpl::AverageCharWidth(Font &font_) {
if (!font_.GetID())
return 1;
const int sizeStringLength = (sizeof( sizeString ) / sizeof( sizeString[0] ) - 1);
int width = WidthText( font_, sizeString, sizeStringLength );
return (int) ((width / (float) sizeStringLength) + 0.5);
}
void SurfaceImpl::SetClip(PRectangle rc) {
CGContextClipToRect( gc, PRectangleToCGRect( rc ) );
}
void SurfaceImpl::FlushCachedState() {
CGContextSynchronize( gc );
}
void SurfaceImpl::SetUnicodeMode(bool unicodeMode_) {
unicodeMode = unicodeMode_;
}
void SurfaceImpl::SetDBCSMode(int codePage_) {
if (codePage_ && (codePage_ != SC_CP_UTF8))
codePage = codePage_;
}
Surface *Surface::Allocate(int)
{
return new SurfaceImpl();
}
//----------------- Window -------------------------------------------------------------------------
// Cocoa uses different types for windows and views, so a Window may
// be either an NSWindow or NSView and the code will check the type
// before performing an action.
Window::~Window()
{
}
//--------------------------------------------------------------------------------------------------
void Window::Destroy()
{
if (wid)
{
id idWin = reinterpret_cast<id>(wid);
if ([idWin isKindOfClass: [NSWindow class]])
{
NSWindow* win = reinterpret_cast<NSWindow*>(idWin);
[win release];
}
}
wid = 0;
}
//--------------------------------------------------------------------------------------------------
bool Window::HasFocus()
{
NSView* container = reinterpret_cast<NSView*>(wid);
return [[container window] firstResponder] == container;
}
//--------------------------------------------------------------------------------------------------
static int ScreenMax(NSWindow* win)
{
NSScreen* screen = [win screen];
NSRect frame = [screen frame];
return frame.origin.y + frame.size.height;
}
PRectangle Window::GetPosition()
{
if (wid)
{
NSRect rect;
id idWin = reinterpret_cast<id>(wid);
NSWindow* win;
if ([idWin isKindOfClass: [NSView class]])
{
// NSView
NSView* view = reinterpret_cast<NSView*>(idWin);
win = [view window];
rect = [view convertRect: [view bounds] toView: nil];
rect.origin = [win convertBaseToScreen:rect.origin];
}
else
{
// NSWindow
win = reinterpret_cast<NSWindow*>(idWin);
rect = [win frame];
}
int screenHeight = ScreenMax(win);
// Invert screen positions to match Scintilla
return PRectangle(
NSMinX(rect), screenHeight - NSMaxY(rect),
NSMaxX(rect), screenHeight - NSMinY(rect));
}
else
{
return PRectangle(0, 0, 1, 1);
}
}
//--------------------------------------------------------------------------------------------------
void Window::SetPosition(PRectangle rc)
{
if (wid)
{
id idWin = reinterpret_cast<id>(wid);
if ([idWin isKindOfClass: [NSView class]])
{
// NSView
// Moves this view inside the parent view
NSRect nsrc = NSMakeRect(rc.left, rc.bottom, rc.Width(), rc.Height());
NSView* view = reinterpret_cast<NSView*>(idWin);
nsrc.origin = [[view window] convertScreenToBase:nsrc.origin];
[view setFrame: nsrc];
}
else
{
// NSWindow
NSWindow* win = reinterpret_cast<NSWindow*>(idWin);
int screenHeight = ScreenMax(win);
NSRect nsrc = NSMakeRect(rc.left, screenHeight - rc.bottom,
rc.Width(), rc.Height());
[win setFrame: nsrc display:YES];
}
}
}
//--------------------------------------------------------------------------------------------------
void Window::SetPositionRelative(PRectangle rc, Window window)
{
PRectangle rcOther = window.GetPosition();
rc.left += rcOther.left;
rc.right += rcOther.left;
rc.top += rcOther.top;
rc.bottom += rcOther.top;
SetPosition(rc);
}
//--------------------------------------------------------------------------------------------------
PRectangle Window::GetClientPosition()
{
// This means, in MacOS X terms, get the "frame bounds". Call GetPosition, just like on Win32.
return GetPosition();
}
//--------------------------------------------------------------------------------------------------
void Window::Show(bool show)
{
if (wid)
{
id idWin = reinterpret_cast<id>(wid);
if ([idWin isKindOfClass: [NSWindow class]])
{
NSWindow* win = reinterpret_cast<NSWindow*>(idWin);
if (show)
{
[win orderFront:nil];
}
else
{
[win orderOut:nil];
}
}
}
}
//--------------------------------------------------------------------------------------------------
/**
* Invalidates the entire window or view so it is completely redrawn.
*/
void Window::InvalidateAll()
{
if (wid)
{
id idWin = reinterpret_cast<id>(wid);
NSView* container;
if ([idWin isKindOfClass: [NSView class]])
{
container = reinterpret_cast<NSView*>(idWin);
}
else
{
// NSWindow
NSWindow* win = reinterpret_cast<NSWindow*>(idWin);
container = reinterpret_cast<NSView*>([win contentView]);
container.needsDisplay = YES;
}
container.needsDisplay = YES;
}
}
//--------------------------------------------------------------------------------------------------
/**
* Invalidates part of the window or view so only this part redrawn.
*/
void Window::InvalidateRectangle(PRectangle rc)
{
if (wid)
{
id idWin = reinterpret_cast<id>(wid);
NSView* container;
if ([idWin isKindOfClass: [NSView class]])
{
container = reinterpret_cast<NSView*>(idWin);
}
else
{
// NSWindow
NSWindow* win = reinterpret_cast<NSWindow*>(idWin);
container = reinterpret_cast<NSView*>([win contentView]);
}
[container setNeedsDisplayInRect: PRectangleToNSRect(rc)];
}
}
//--------------------------------------------------------------------------------------------------
void Window::SetFont(Font&)
{
// Implemented on list subclass on Cocoa.
}
//--------------------------------------------------------------------------------------------------
/**
* Converts the Scintilla cursor enum into an NSCursor and stores it in the associated NSView,
* which then will take care to set up a new mouse tracking rectangle.
*/
void Window::SetCursor(Cursor curs)
{
if (wid)
{
id idWin = reinterpret_cast<id>(wid);
if ([idWin isMemberOfClass: [InnerView class]])
{
InnerView* container = reinterpret_cast<InnerView*>(idWin);
[container setCursor: curs];
}
}
}
//--------------------------------------------------------------------------------------------------
void Window::SetTitle(const char* s)
{
if (wid)
{
id idWin = reinterpret_cast<id>(wid);
if ([idWin isKindOfClass: [NSWindow class]])
{
NSWindow* win = reinterpret_cast<NSWindow*>(idWin);
NSString* sTitle = [NSString stringWithUTF8String:s];
[win setTitle:sTitle];
}
}
}
//--------------------------------------------------------------------------------------------------
PRectangle Window::GetMonitorRect(Point)
{
if (wid)
{
id idWin = reinterpret_cast<id>(wid);
if ([idWin isKindOfClass: [NSWindow class]])
{
NSWindow* win = reinterpret_cast<NSWindow*>(idWin);
NSScreen* screen = [win screen];
NSRect rect = [screen frame];
int screenHeight = rect.origin.y + rect.size.height;
// Invert screen positions to match Scintilla
return PRectangle(
NSMinX(rect), screenHeight - NSMaxY(rect),
NSMaxX(rect), screenHeight - NSMinY(rect));
}
}
return PRectangle();
}
//----------------- ImageFromXPM -------------------------------------------------------------------
// Convert an XPM image into an NSImage for use with Cocoa
static NSImage* ImageFromXPM(XPM* pxpm)
{
NSImage* img = nil;
if (pxpm)
{
const int width = pxpm->GetWidth();
const int height = pxpm->GetHeight();
PRectangle rcxpm(0, 0, width, height);
Surface* surfaceXPM = Surface::Allocate(SC_TECHNOLOGY_DEFAULT);
if (surfaceXPM)
{
surfaceXPM->InitPixMap(width, height, NULL, NULL);
SurfaceImpl* surfaceIXPM = static_cast<SurfaceImpl*>(surfaceXPM);
CGContextClearRect(surfaceIXPM->GetContext(), CGRectMake(0, 0, width, height));
pxpm->Draw(surfaceXPM, rcxpm);
img = [[[NSImage alloc] initWithSize:NSZeroSize] autorelease];
CGImageRef imageRef = surfaceIXPM->GetImage();
NSBitmapImageRep *bitmapRep = [[NSBitmapImageRep alloc] initWithCGImage: imageRef];
[img addRepresentation: bitmapRep];
[bitmapRep release];
CGImageRelease(imageRef);
delete surfaceXPM;
}
}
return img;
}
//----------------- ListBox and related classes ----------------------------------------------------
namespace {
// unnamed namespace hides IListBox interface
class IListBox {
public:
virtual int Rows() = 0;
virtual NSImage* ImageForRow(NSInteger row) = 0;
virtual NSString* TextForRow(NSInteger row) = 0;
virtual void DoubleClick() = 0;
};
} // unnamed namespace
//----------------- AutoCompletionDataSource -------------------------------------------------------
@interface AutoCompletionDataSource :
NSObject
#if MAC_OS_X_VERSION_MAX_ALLOWED > MAC_OS_X_VERSION_10_5
<NSTableViewDataSource>
#endif
{
IListBox* box;
}
@property IListBox* box;
@end
@implementation AutoCompletionDataSource
@synthesize box;
- (void) doubleClick: (id) sender
{
#pragma unused(sender)
if (box)
{
box->DoubleClick();
}
}
- (id)tableView: (NSTableView*)aTableView objectValueForTableColumn: (NSTableColumn*)aTableColumn row: (NSInteger)rowIndex
{
#pragma unused(aTableView)
if (!box)
return nil;
if ([(NSString*)[aTableColumn identifier] isEqualToString: @"icon"])
{
return box->ImageForRow(rowIndex);
}
else {
return box->TextForRow(rowIndex);
}
}
- (void)tableView: (NSTableView*)aTableView setObjectValue: anObject forTableColumn: (NSTableColumn*)aTableColumn row: (NSInteger)rowIndex
{
#pragma unused(aTableView)
#pragma unused(anObject)
#pragma unused(aTableColumn)
#pragma unused(rowIndex)
}
- (NSInteger)numberOfRowsInTableView: (NSTableView*)aTableView
{
#pragma unused(aTableView)
if (!box)
return 0;
return box->Rows();
}
@end
//----------------- ListBoxImpl --------------------------------------------------------------------
namespace { // unnamed namespace hides ListBoxImpl and associated classes
struct RowData
{
int type;
std::string text;
RowData(int type_, const char* text_) :
type(type_), text(text_)
{
}
};
class LinesData
{
std::vector<RowData> lines;
public:
LinesData()
{
}
~LinesData()
{
}
int Length() const
{
return static_cast<int>(lines.size());
}
void Clear()
{
lines.clear();
}
void Add(int /* index */, int type, char* str)
{
lines.push_back(RowData(type, str));
}
int GetType(size_t index) const
{
if (index < lines.size())
{
return lines[index].type;
}
else
{
return 0;
}
}
const char* GetString(size_t index) const
{
if (index < lines.size())
{
return lines[index].text.c_str();
}
else
{
return 0;
}
}
};
// Map from icon type to an NSImage*
typedef std::map<NSInteger, NSImage*> ImageMap;
class ListBoxImpl : public ListBox, IListBox
{
private:
ImageMap images;
int lineHeight;
bool unicodeMode;
int desiredVisibleRows;
unsigned int maxItemWidth;
unsigned int aveCharWidth;
unsigned int maxIconWidth;
Font font;
int maxWidth;
NSTableView* table;
NSScrollView* scroller;
NSTableColumn* colIcon;
NSTableColumn* colText;
AutoCompletionDataSource* ds;
LinesData ld;
CallBackAction doubleClickAction;
void* doubleClickActionData;
public:
ListBoxImpl() : lineHeight(10), unicodeMode(false),
desiredVisibleRows(5), maxItemWidth(0), aveCharWidth(8), maxIconWidth(0),
doubleClickAction(NULL), doubleClickActionData(NULL)
{
}
~ListBoxImpl() {}
// ListBox methods
void SetFont(Font& font);
void Create(Window& parent, int ctrlID, Scintilla::Point pt, int lineHeight_, bool unicodeMode_, int technology_);
void SetAverageCharWidth(int width);
void SetVisibleRows(int rows);
int GetVisibleRows() const;
PRectangle GetDesiredRect();
int CaretFromEdge();
void Clear();
void Append(char* s, int type = -1);
int Length();
void Select(int n);
int GetSelection();
int Find(const char* prefix);
void GetValue(int n, char* value, int len);
void RegisterImage(int type, const char* xpm_data);
void RegisterRGBAImage(int type, int width, int height, const unsigned char *pixelsImage);
void ClearRegisteredImages();
void SetDoubleClickAction(CallBackAction action, void* data)
{
doubleClickAction = action;
doubleClickActionData = data;
}
void SetList(const char* list, char separator, char typesep);
// For access from AutoCompletionDataSource implement IListBox
int Rows();
NSImage* ImageForRow(NSInteger row);
NSString* TextForRow(NSInteger row);
void DoubleClick();
};
void ListBoxImpl::Create(Window& /*parent*/, int /*ctrlID*/, Scintilla::Point pt,
int lineHeight_, bool unicodeMode_, int)
{
lineHeight = lineHeight_;
unicodeMode = unicodeMode_;
maxWidth = 2000;
NSRect lbRect = NSMakeRect(pt.x,pt.y, 120, lineHeight * desiredVisibleRows);
NSWindow* winLB = [[NSWindow alloc] initWithContentRect: lbRect
styleMask: NSBorderlessWindowMask
backing: NSBackingStoreBuffered
defer: NO];
[winLB setLevel:NSFloatingWindowLevel];
[winLB setHasShadow:YES];
scroller = [NSScrollView alloc];
NSRect scRect = NSMakeRect(0, 0, lbRect.size.width, lbRect.size.height);
[scroller initWithFrame: scRect];
[scroller setHasVerticalScroller:YES];
table = [[NSTableView alloc] initWithFrame: scRect];
[table setHeaderView:nil];
[scroller setDocumentView: table];
colIcon = [[NSTableColumn alloc] initWithIdentifier:@"icon"];
[colIcon setWidth: 20];
[colIcon setEditable:NO];
[colIcon setHidden:YES];
NSImageCell* imCell = [[[NSImageCell alloc] init] autorelease];
[colIcon setDataCell:imCell];
[table addTableColumn:colIcon];
colText = [[NSTableColumn alloc] initWithIdentifier:@"name"];
[colText setResizingMask:NSTableColumnAutoresizingMask];
[colText setEditable:NO];
[table addTableColumn:colText];
ds = [[AutoCompletionDataSource alloc] init];
[ds setBox:this];
[table setDataSource: ds]; // Weak reference
[scroller setAutoresizingMask: NSViewWidthSizable | NSViewHeightSizable];
[[winLB contentView] addSubview: scroller];
[table setTarget:ds];
[table setDoubleAction:@selector(doubleClick:)];
wid = winLB;
}
void ListBoxImpl::SetFont(Font& font_)
{
// NSCell setFont takes an NSFont* rather than a CTFontRef but they
// are the same thing toll-free bridged.
QuartzTextStyle* style = reinterpret_cast<QuartzTextStyle*>(font_.GetID());
font.Release();
font.SetID(new QuartzTextStyle(*style));
NSFont *pfont = (NSFont *)style->getFontRef();
[[colText dataCell] setFont: pfont];
CGFloat itemHeight = ceil([pfont boundingRectForFont].size.height);
[table setRowHeight:itemHeight];
}
void ListBoxImpl::SetAverageCharWidth(int width)
{
aveCharWidth = width;
}
void ListBoxImpl::SetVisibleRows(int rows)
{
desiredVisibleRows = rows;
}
int ListBoxImpl::GetVisibleRows() const
{
return desiredVisibleRows;
}
PRectangle ListBoxImpl::GetDesiredRect()
{
PRectangle rcDesired;
rcDesired = GetPosition();
// There appears to be an extra pixel above and below the row contents
int itemHeight = [table rowHeight] + 2;
int rows = Length();
if ((rows == 0) || (rows > desiredVisibleRows))
rows = desiredVisibleRows;
rcDesired.bottom = rcDesired.top + itemHeight * rows;
rcDesired.right = rcDesired.left + maxItemWidth + aveCharWidth;
if (Length() > rows)
{
[scroller setHasVerticalScroller:YES];
rcDesired.right += [NSScroller scrollerWidth];
}
else
{
[scroller setHasVerticalScroller:NO];
}
rcDesired.right += maxIconWidth;
rcDesired.right += 6;
return rcDesired;
}
int ListBoxImpl::CaretFromEdge()
{
if ([colIcon isHidden])
return 3;
else
return 6 + [colIcon width];
}
void ListBoxImpl::Clear()
{
maxItemWidth = 0;
maxIconWidth = 0;
ld.Clear();
}
void ListBoxImpl::Append(char* s, int type)
{
int count = Length();
ld.Add(count, type, s);
Scintilla::SurfaceImpl surface;
unsigned int width = surface.WidthText(font, s, static_cast<int>(strlen(s)));
if (width > maxItemWidth)
{
maxItemWidth = width;
[colText setWidth: maxItemWidth];
}
ImageMap::iterator it = images.find(type);
if (it != images.end())
{
NSImage* img = it->second;
if (img)
{
unsigned int widthIcon = img.size.width;
if (widthIcon > maxIconWidth)
{
[colIcon setHidden: NO];
maxIconWidth = widthIcon;
[colIcon setWidth: maxIconWidth];
}
}
}
}
void ListBoxImpl::SetList(const char* list, char separator, char typesep)
{
Clear();
size_t count = strlen(list) + 1;
std::vector<char> words(list, list+count);
char* startword = words.data();
char* numword = NULL;
int i = 0;
for (; words[i]; i++)
{
if (words[i] == separator)
{
words[i] = '\0';
if (numword)
*numword = '\0';
Append(startword, numword?atoi(numword + 1):-1);
startword = words.data() + i + 1;
numword = NULL;
}
else if (words[i] == typesep)
{
numword = words.data() + i;
}
}
if (startword)
{
if (numword)
*numword = '\0';
Append(startword, numword?atoi(numword + 1):-1);
}
[table reloadData];
}
int ListBoxImpl::Length()
{
return ld.Length();
}
void ListBoxImpl::Select(int n)
{
[table selectRowIndexes:[NSIndexSet indexSetWithIndex:n] byExtendingSelection:NO];
[table scrollRowToVisible:n];
}
int ListBoxImpl::GetSelection()
{
return static_cast<int>([table selectedRow]);
}
int ListBoxImpl::Find(const char* prefix)
{
int count = Length();
for (int i = 0; i < count; i++)
{
const char* s = ld.GetString(i);
if (s && (s[0] != '\0') && (0 == strncmp(prefix, s, strlen(prefix))))
{
return i;
}
}
return - 1;
}
void ListBoxImpl::GetValue(int n, char* value, int len)
{
const char* textString = ld.GetString(n);
if (textString == NULL)
{
value[0] = '\0';
return;
}
strncpy(value, textString, len);
value[len - 1] = '\0';
}
void ListBoxImpl::RegisterImage(int type, const char* xpm_data)
{
XPM xpm(xpm_data);
NSImage* img = ImageFromXPM(&xpm);
[img retain];
ImageMap::iterator it=images.find(type);
if (it == images.end())
{
images[type] = img;
}
else
{
[it->second release];
it->second = img;
}
}
void ListBoxImpl::RegisterRGBAImage(int type, int width, int height, const unsigned char *pixelsImage) {
CGImageRef imageRef = ImageCreateFromRGBA(width, height, pixelsImage, false);
NSSize sz = {static_cast<CGFloat>(width), static_cast<CGFloat>(height)};
NSImage *img = [[[NSImage alloc] initWithSize: sz] autorelease];
NSBitmapImageRep *bitmapRep = [[NSBitmapImageRep alloc] initWithCGImage: imageRef];
[img addRepresentation: bitmapRep];
[bitmapRep release];
CGImageRelease(imageRef);
[img retain];
ImageMap::iterator it=images.find(type);
if (it == images.end())
{
images[type] = img;
}
else
{
[it->second release];
it->second = img;
}
}
void ListBoxImpl::ClearRegisteredImages()
{
for (ImageMap::iterator it=images.begin();
it != images.end(); ++it)
{
[it->second release];
it->second = nil;
}
images.clear();
}
int ListBoxImpl::Rows()
{
return ld.Length();
}
NSImage* ListBoxImpl::ImageForRow(NSInteger row)
{
ImageMap::iterator it = images.find(ld.GetType(row));
if (it != images.end())
{
NSImage* img = it->second;
return img;
}
else
{
return nil;
}
}
NSString* ListBoxImpl::TextForRow(NSInteger row)
{
const char* textString = ld.GetString(row);
NSString* sTitle;
if (unicodeMode)
sTitle = [NSString stringWithUTF8String:textString];
else
sTitle = [NSString stringWithCString:textString encoding:NSWindowsCP1252StringEncoding];
return sTitle;
}
void ListBoxImpl::DoubleClick()
{
if (doubleClickAction)
{
doubleClickAction(doubleClickActionData);
}
}
} // unnamed namespace
//----------------- ListBox ------------------------------------------------------------------------
ListBox::ListBox()
{
}
ListBox::~ListBox()
{
}
ListBox* ListBox::Allocate()
{
ListBoxImpl* lb = new ListBoxImpl();
return lb;
}
//----------------- ScintillaContextMenu -----------------------------------------------------------
@implementation ScintillaContextMenu : NSMenu
// This NSMenu subclass serves also as target for menu commands and forwards them as
// notfication messages to the front end.
- (void) handleCommand: (NSMenuItem*) sender
{
owner->HandleCommand([sender tag]);
}
//--------------------------------------------------------------------------------------------------
- (void) setOwner: (Scintilla::ScintillaCocoa*) newOwner
{
owner = newOwner;
}
@end
//----------------- Menu ---------------------------------------------------------------------------
Menu::Menu()
: mid(0)
{
}
//--------------------------------------------------------------------------------------------------
void Menu::CreatePopUp()
{
Destroy();
mid = [[ScintillaContextMenu alloc] initWithTitle: @""];
}
//--------------------------------------------------------------------------------------------------
void Menu::Destroy()
{
ScintillaContextMenu* menu = reinterpret_cast<ScintillaContextMenu*>(mid);
[menu release];
mid = NULL;
}
//--------------------------------------------------------------------------------------------------
void Menu::Show(Point, Window &)
{
// Cocoa menus are handled a bit differently. We only create the menu. The framework
// takes care to show it properly.
}
//----------------- ElapsedTime --------------------------------------------------------------------
// ElapsedTime is used for precise performance measurements during development
// and not for anything a user sees.
ElapsedTime::ElapsedTime() {
struct timeval curTime;
gettimeofday( &curTime, NULL );
bigBit = curTime.tv_sec;
littleBit = curTime.tv_usec;
}
double ElapsedTime::Duration(bool reset) {
struct timeval curTime;
gettimeofday( &curTime, NULL );
long endBigBit = curTime.tv_sec;
long endLittleBit = curTime.tv_usec;
double result = 1000000.0 * (endBigBit - bigBit);
result += endLittleBit - littleBit;
result /= 1000000.0;
if (reset) {
bigBit = endBigBit;
littleBit = endLittleBit;
}
return result;
}
//----------------- Platform -----------------------------------------------------------------------
ColourDesired Platform::Chrome()
{
return ColourDesired(0xE0, 0xE0, 0xE0);
}
//--------------------------------------------------------------------------------------------------
ColourDesired Platform::ChromeHighlight()
{
return ColourDesired(0xFF, 0xFF, 0xFF);
}
//--------------------------------------------------------------------------------------------------
/**
* Returns the currently set system font for the user.
*/
const char *Platform::DefaultFont()
{
NSString* name = [[NSUserDefaults standardUserDefaults] stringForKey: @"NSFixedPitchFont"];
return [name UTF8String];
}
//--------------------------------------------------------------------------------------------------
/**
* Returns the currently set system font size for the user.
*/
int Platform::DefaultFontSize()
{
return static_cast<int>([[NSUserDefaults standardUserDefaults]
integerForKey: @"NSFixedPitchFontSize"]);
}
//--------------------------------------------------------------------------------------------------
/**
* Returns the time span in which two consequtive mouse clicks must occur to be considered as
* double click.
*
* @return
*/
unsigned int Platform::DoubleClickTime()
{
float threshold = [[NSUserDefaults standardUserDefaults] floatForKey:
@"com.apple.mouse.doubleClickThreshold"];
if (threshold == 0)
threshold = 0.5;
return static_cast<unsigned int>(threshold * 1000.0);
}
//--------------------------------------------------------------------------------------------------
bool Platform::MouseButtonBounce()
{
return false;
}
//--------------------------------------------------------------------------------------------------
/**
* Helper method for the backend to reach through to the scintilla window.
*/
long Platform::SendScintilla(WindowID w, unsigned int msg, unsigned long wParam, long lParam)
{
return scintilla_send_message(w, msg, wParam, lParam);
}
//--------------------------------------------------------------------------------------------------
/**
* Helper method for the backend to reach through to the scintilla window.
*/
long Platform::SendScintillaPointer(WindowID w, unsigned int msg, unsigned long wParam, void *lParam)
{
return scintilla_send_message(w, msg, wParam, (long) lParam);
}
//--------------------------------------------------------------------------------------------------
bool Platform::IsDBCSLeadByte(int codePage, char ch)
{
// Byte ranges found in Wikipedia articles with relevant search strings in each case
unsigned char uch = static_cast<unsigned char>(ch);
switch (codePage)
{
case 932:
// Shift_jis
return ((uch >= 0x81) && (uch <= 0x9F)) ||
((uch >= 0xE0) && (uch <= 0xFC));
// Lead bytes F0 to FC may be a Microsoft addition.
case 936:
// GBK
return (uch >= 0x81) && (uch <= 0xFE);
case 949:
// Korean Wansung KS C-5601-1987
return (uch >= 0x81) && (uch <= 0xFE);
case 950:
// Big5
return (uch >= 0x81) && (uch <= 0xFE);
case 1361:
// Korean Johab KS C-5601-1992
return
((uch >= 0x84) && (uch <= 0xD3)) ||
((uch >= 0xD8) && (uch <= 0xDE)) ||
((uch >= 0xE0) && (uch <= 0xF9));
}
return false;
}
//--------------------------------------------------------------------------------------------------
int Platform::DBCSCharLength(int /* codePage */, const char* /* s */)
{
// DBCS no longer uses this.
return 1;
}
//--------------------------------------------------------------------------------------------------
int Platform::DBCSCharMaxLength()
{
return 2;
}
//--------------------------------------------------------------------------------------------------
int Platform::Minimum(int a, int b)
{
return (a < b) ? a : b;
}
//--------------------------------------------------------------------------------------------------
int Platform::Maximum(int a, int b) {
return (a > b) ? a : b;
}
//--------------------------------------------------------------------------------------------------
//#define TRACE
#ifdef TRACE
void Platform::DebugDisplay(const char *s)
{
fprintf( stderr, "%s", s );
}
//--------------------------------------------------------------------------------------------------
void Platform::DebugPrintf(const char *format, ...)
{
const int BUF_SIZE = 2000;
char buffer[BUF_SIZE];
va_list pArguments;
va_start(pArguments, format);
vsnprintf(buffer, BUF_SIZE, format, pArguments);
va_end(pArguments);
Platform::DebugDisplay(buffer);
}
#else
void Platform::DebugDisplay(const char *) {}
void Platform::DebugPrintf(const char *, ...) {}
#endif
//--------------------------------------------------------------------------------------------------
static bool assertionPopUps = true;
bool Platform::ShowAssertionPopUps(bool assertionPopUps_)
{
bool ret = assertionPopUps;
assertionPopUps = assertionPopUps_;
return ret;
}
//--------------------------------------------------------------------------------------------------
void Platform::Assert(const char *c, const char *file, int line)
{
char buffer[2000];
sprintf(buffer, "Assertion [%s] failed at %s %d", c, file, line);
strcat(buffer, "\r\n");
Platform::DebugDisplay(buffer);
#ifdef DEBUG
// Jump into debugger in assert on Mac (CL269835)
::Debugger();
#endif
}
//--------------------------------------------------------------------------------------------------
int Platform::Clamp(int val, int minVal, int maxVal)
{
if (val > maxVal)
val = maxVal;
if (val < minVal)
val = minVal;
return val;
}
//----------------- DynamicLibrary -----------------------------------------------------------------
/**
* Implements the platform specific part of library loading.
*
* @param modulePath The path to the module to load.
* @return A library instance or NULL if the module could not be found or another problem occured.
*/
DynamicLibrary* DynamicLibrary::Load(const char* /* modulePath */)
{
// Not implemented.
return NULL;
}
//--------------------------------------------------------------------------------------------------