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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>
#include "PlatCocoa.h"
#include <cstring>
#include <cstdio>
#include <cstdlib>
#include <assert.h>
#include <sys/time.h>
#include <stdexcept>
#include "XPM.h"
#import <Foundation/NSGeometry.h>
#import <Carbon/Carbon.h> // Temporary
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)
);
}
//----------------- Palette ------------------------------------------------------------------------
// The Palette implementation is only here because we would get linker errors if not.
// We don't use indexed colors in ScintillaCocoa.
Scintilla::Palette::Palette()
{
}
//--------------------------------------------------------------------------------------------------
Scintilla::Palette::~Palette()
{
}
//--------------------------------------------------------------------------------------------------
void Scintilla::Palette::Release()
{
}
//--------------------------------------------------------------------------------------------------
/**
* Used to transform a given color, if needed. If the caller tries to find a color that matches the
* desired color then we simply pass it on, as we support the full color space.
*/
void Scintilla::Palette::WantFind(ColourPair &cp, bool want)
{
if (!want)
cp.allocated.Set(cp.desired.AsLong());
// Don't do anything if the caller wants the color it has already set.
}
//--------------------------------------------------------------------------------------------------
void Scintilla::Palette::Allocate(Window& w)
{
// Nothing to allocate as we don't use palettes.
}
//----------------- Font ---------------------------------------------------------------------------
Font::Font(): fid(0)
{
}
//--------------------------------------------------------------------------------------------------
Font::~Font()
{
Release();
}
//--------------------------------------------------------------------------------------------------
/**
* Creates a Quartz 2D font with the given properties.
* TODO: rewrite to use NSFont.
*/
void Font::Create(const char *faceName, int characterSet, int size, bool bold, bool italic,
int extraFontFlag)
{
// TODO: How should I handle the characterSet request?
Release();
QuartzTextStyle* style = new QuartzTextStyle();
fid = style;
// Find the font
QuartzFont font(faceName, strlen(faceName));
// We set Font, Size, Bold, Italic
QuartzTextSize textSize(size);
QuartzTextBold isBold(bold);
QuartzTextItalic isItalic(italic);
// Actually set the attributes
QuartzTextStyleAttribute* attributes[] = { &font, &textSize, &isBold, &isItalic };
style->setAttributes(attributes, sizeof(attributes) / sizeof(*attributes));
style->setFontFeature(kLigaturesType, kCommonLigaturesOffSelector);
}
//--------------------------------------------------------------------------------------------------
void Font::Release()
{
if (fid)
delete reinterpret_cast<QuartzTextStyle*>( fid );
fid = 0;
}
//----------------- SurfaceImpl --------------------------------------------------------------------
SurfaceImpl::SurfaceImpl()
{
bitmapData = NULL; // Release will try and delete bitmapData if != NULL
gc = NULL;
textLayout = new QuartzTextLayout(NULL);
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 wid)
{
// 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 wid)
{
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];
if (bitmapData != NULL)
{
// 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(ColourAllocated 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 ColourAllocated& 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);
// Create a data provider.
CGDataProviderRef dataProvider = CGDataProviderCreateWithData(NULL, bitmapData, bitmapByteCount,
NULL);
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;
return image;
}
//--------------------------------------------------------------------------------------------------
/**
* Returns the vertical logical device resolution of the main monitor.
*/
int SurfaceImpl::LogPixelsY()
{
NSSize deviceResolution = [[[[NSScreen mainScreen] deviceDescription]
objectForKey: NSDeviceResolution] sizeValue];
return (int) deviceResolution.height;
}
//--------------------------------------------------------------------------------------------------
/**
* Converts the logical font height (in dpi) into a pixel height for the current main screen.
*/
int SurfaceImpl::DeviceHeightFont(int points)
{
int logPix = LogPixelsY();
return (points * logPix + logPix / 2) / 72;
}
//--------------------------------------------------------------------------------------------------
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, ColourAllocated fore,
ColourAllocated back)
{
// Allocate memory for the array of points.
CGPoint *points = new CGPoint[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, npts);
// TODO: Should the path be automatically closed, or is that the caller's responsability?
// Explicitly close the path, so it is closed for stroking AND filling (implicit close = filling only)
CGContextClosePath( gc );
CGContextDrawPath( gc, kCGPathFillStroke );
// Deallocate memory.
delete points;
points = NULL;
}
//--------------------------------------------------------------------------------------------------
void SurfaceImpl::RectangleDraw(PRectangle rc, ColourAllocated fore, ColourAllocated 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.
// TODO: Create some version of PRectangleToCGRect to do this conversion for us?
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, ColourAllocated back)
{
if (gc)
{
FillColour(back);
CGRect rect = PRectangleToCGRect(rc);
CGContextFillRect(gc, rect);
}
}
//--------------------------------------------------------------------------------------------------
void drawImageRefCallback(CGImageRef pattern, CGContextRef gc)
{
CGContextDrawImage(gc, CGRectMake(0, 0, CGImageGetWidth(pattern), CGImageGetHeight(pattern)), 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, ColourAllocated(0));
return;
}
const CGPatternCallbacks drawImageCallbacks = { 0,
reinterpret_cast<CGPatternDrawPatternCallback>(drawImageRefCallback), NULL };
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 float 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;
CGImageRelease( image );
image = NULL;
} /* pattern != NULL */
}
void SurfaceImpl::RoundedRectangle(PRectangle rc, ColourAllocated fore, ColourAllocated back) {
// TODO: Look at the Win32 API to determine what this is supposed to do:
// ::RoundRect(hdc, rc.left + 1, rc.top, rc.right - 1, rc.bottom, 8, 8 );
// 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
// TODO: Should I include these +0.5 in the array creation code above?
for( int i = 0; i < 4*3; ++ i )
{
CGPoint* c = (CGPoint*) corners;
c[i].x += 0.5;
c[i].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*/, ColourAllocated fill, int alphaFill,
ColourAllocated /*outline*/, int /*alphaOutline*/, int /*flags*/)
{
if ( gc ) {
ColourDesired colour( fill.AsLong() );
// Set the Fill color to match
CGContextSetRGBFillColor( gc, colour.GetRed() / 255.0, colour.GetGreen() / 255.0, colour.GetBlue() / 255.0, alphaFill / 100.0 );
CGRect rect = PRectangleToCGRect( rc );
CGContextFillRect( gc, rect );
}
}
void SurfaceImpl::Ellipse(PRectangle rc, ColourAllocated fore, ColourAllocated 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);
}
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, ColourAllocated( 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_, int ybase, const char *s, int len,
ColourAllocated fore, ColourAllocated back)
{
FillRectangle(rc, back);
DrawTextTransparent(rc, font_, ybase, s, len, fore);
}
//--------------------------------------------------------------------------------------------------
void SurfaceImpl::DrawTextClipped(PRectangle rc, Font &font_, int ybase, const char *s, int len,
ColourAllocated fore, ColourAllocated back)
{
CGContextSaveGState(gc);
CGContextClipToRect(gc, PRectangleToCGRect(rc));
DrawTextNoClip(rc, font_, ybase, s, len, fore, back);
CGContextRestoreGState(gc);
}
//--------------------------------------------------------------------------------------------------
void SurfaceImpl::DrawTextTransparent(PRectangle rc, Font &font_, int ybase, const char *s, int len,
ColourAllocated fore)
{
textLayout->setText (reinterpret_cast<const UInt8*>(s), len, *reinterpret_cast<QuartzTextStyle*>(font_.GetID()));
// The Quartz RGB fill color influences the ATSUI color
FillColour(fore);
// Draw text vertically flipped as OS X uses a coordinate system where +Y is upwards.
textLayout->draw(rc.left, ybase, true);
}
//--------------------------------------------------------------------------------------------------
void SurfaceImpl::MeasureWidths(Font &font_, const char *s, int len, int *positions)
{
// sample at http://developer.apple.com/samplecode/ATSUICurveAccessDemo/listing1.html
// sample includes use of ATSUGetGlyphInfo which would be better for older
// OSX systems. We should expand to using that on older systems as well.
for (int i = 0; i < len; i++)
positions [i] = 0;
// We need the right X coords, so we have to append a char to get the left coord of thast extra char
char* buf = (char*) malloc (len+1);
if (!buf)
return;
memcpy (buf, s, len);
buf [len] = '.';
textLayout->setText (reinterpret_cast<const UInt8*>(buf), len+1, *reinterpret_cast<QuartzTextStyle*>(font_.GetID()));
ATSUGlyphInfoArray* theGlyphInfoArrayPtr;
ByteCount theArraySize;
// Get the GlyphInfoArray
ATSUTextLayout layout = textLayout->getLayout();
if ( noErr == ATSUGetGlyphInfo (layout, 0, textLayout->getLength(), &theArraySize, NULL))
{
theGlyphInfoArrayPtr = (ATSUGlyphInfoArray *) malloc (theArraySize + sizeof(ItemCount) + sizeof(ATSUTextLayout));
if (theGlyphInfoArrayPtr)
{
if (noErr == ATSUGetGlyphInfo (layout, 0, textLayout->getLength(), &theArraySize, theGlyphInfoArrayPtr))
{
// do not count the first item, which is at the beginning of the line
for ( UniCharCount unicodePosition = 1, i = 0; i < len && unicodePosition < theGlyphInfoArrayPtr->numGlyphs; unicodePosition ++ )
{
// The ideal position is the x coordinate of the glyph, relative to the beginning of the line
int position = (int)( theGlyphInfoArrayPtr->glyphs[unicodePosition].idealX + 0.5 ); // These older APIs return float values
unsigned char uch = s[i];
positions[i++] = position;
// If we are using unicode (UTF8), map the Unicode position back to the UTF8 characters,
// as 1 unicode character can map to multiple UTF8 characters.
// See: http://www.tbray.org/ongoing/When/200x/2003/04/26/UTF
// Or: http://www.cl.cam.ac.uk/~mgk25/unicode.html
if ( unicodeMode )
{
unsigned char mask = 0xc0;
int count = 1;
// Add one additonal byte for each extra high order one in the byte
while ( uch >= mask && count < 8 )
{
positions[i++] = position;
count ++;
mask = mask >> 1 | 0x80; // add an additional one in the highest order position
}
}
}
}
// Free the GlyphInfoArray
free (theGlyphInfoArrayPtr);
}
}
free (buf);
}
int SurfaceImpl::WidthText(Font &font_, const char *s, int len) {
if (font_.GetID())
{
textLayout->setText (reinterpret_cast<const UInt8*>(s), len, *reinterpret_cast<QuartzTextStyle*>(font_.GetID()));
// TODO: Maybe I should add some sort of text measurement features to QuartzTextLayout?
unsigned long actualNumberOfBounds = 0;
ATSTrapezoid glyphBounds;
// We get a single bound, since the text should only require one. If it requires more, there is an issue
if ( ATSUGetGlyphBounds( textLayout->getLayout(), 0, 0, kATSUFromTextBeginning, kATSUToTextEnd, kATSUseDeviceOrigins, 1, &glyphBounds, &actualNumberOfBounds ) != noErr || actualNumberOfBounds != 1 )
{
Platform::DebugDisplay( "ATSUGetGlyphBounds failed in WidthText" );
return 0;
}
//Platform::DebugPrintf( "WidthText: \"%*s\" = %ld\n", len, s, Fix2Long( glyphBounds.upperRight.x - glyphBounds.upperLeft.x ) );
return Fix2Long( glyphBounds.upperRight.x - glyphBounds.upperLeft.x );
}
return 1;
}
int SurfaceImpl::WidthChar(Font &font_, char ch) {
char str[2] = { ch, '\0' };
if (font_.GetID())
{
textLayout->setText (reinterpret_cast<const UInt8*>(str), 1, *reinterpret_cast<QuartzTextStyle*>(font_.GetID()));
// TODO: Maybe I should add some sort of text measurement features to QuartzTextLayout?
unsigned long actualNumberOfBounds = 0;
ATSTrapezoid glyphBounds;
// We get a single bound, since the text should only require one. If it requires more, there is an issue
if ( ATSUGetGlyphBounds( textLayout->getLayout(), 0, 0, kATSUFromTextBeginning, kATSUToTextEnd, kATSUseDeviceOrigins, 1, &glyphBounds, &actualNumberOfBounds ) != noErr || actualNumberOfBounds != 1 )
{
Platform::DebugDisplay( "ATSUGetGlyphBounds failed in WidthChar" );
return 0;
}
return Fix2Long( glyphBounds.upperRight.x - glyphBounds.upperLeft.x );
}
else
return 1;
}
// Three possible strategies for determining ascent and descent of font:
// 1) Call ATSUGetGlyphBounds with string containing all letters, numbers and punctuation.
// 2) Use the ascent and descent fields of the font.
// 3) Call ATSUGetGlyphBounds with string as 1 but also including accented capitals.
// Smallest values given by 1 and largest by 3 with 2 in between.
// Techniques 1 and 2 sometimes chop off extreme portions of ascenders and
// descenders but are mostly OK except for accented characters which are
// rarely used in code.
// This string contains a good range of characters to test for size.
const char sizeString[] = "`~!@#$%^&*()-_=+\\|[]{};:\"\'<,>.?/1234567890"
"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
int SurfaceImpl::Ascent(Font &font_) {
if (!font_.GetID())
return 1;
ATSUTextMeasurement ascent = reinterpret_cast<QuartzTextStyle*>( font_.GetID() )->getAttribute<ATSUTextMeasurement>( kATSUAscentTag );
return Fix2Long( ascent );
}
int SurfaceImpl::Descent(Font &font_) {
if (!font_.GetID())
return 1;
ATSUTextMeasurement descent = reinterpret_cast<QuartzTextStyle*>( font_.GetID() )->getAttribute<ATSUTextMeasurement>( kATSUDescentTag );
return Fix2Long( descent );
}
int SurfaceImpl::InternalLeading(Font &) {
// TODO: How do we get EM_Size?
// internal leading = ascent - descent - EM_size
return 0;
}
int SurfaceImpl::ExternalLeading(Font &font_) {
if (!font_.GetID())
return 1;
ATSUTextMeasurement lineGap = reinterpret_cast<QuartzTextStyle*>( font_.GetID() )->getAttribute<ATSUTextMeasurement>( kATSULeadingTag );
return Fix2Long( lineGap );
}
int SurfaceImpl::Height(Font &font_) {
return Ascent(font_) + Descent(font_);
}
int 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);
/*
ATSUStyle textStyle = reinterpret_cast<QuartzTextStyle*>( font_.GetID() )->getATSUStyle();
ATSUFontID fontID;
ByteCount actualSize = 0;
if ( ATSUGetAttribute( textStyle, kATSUFontTag, sizeof( fontID ), &fontID, &actualSize ) != noErr )
{
Platform::DebugDisplay( "ATSUGetAttribute failed" );
return 1;
}
ATSFontMetrics metrics;
memset( &metrics, 0, sizeof( metrics ) );
if ( ATSFontGetHorizontalMetrics( fontID, kATSOptionFlagsDefault, &metrics ) != noErr )
{
Platform::DebugDisplay( "ATSFontGetHorizontalMetrics failed in AverageCharWidth" );
return 1;
}
printf( "%f %f %f\n", metrics.avgAdvanceWidth * 32, metrics.ascent * 32, metrics.descent * 32 );
return (int) (metrics.avgAdvanceWidth + 0.5);*/
}
int SurfaceImpl::SetPalette(Scintilla::Palette *, bool) {
// Mac OS X is always true colour (I think) so this doesn't matter
return 0;
}
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) {
// TODO: Implement this for code pages != UTF-8
}
Surface *Surface::Allocate()
{
return new SurfaceImpl();
}
//----------------- Window -------------------------------------------------------------------------
Window::~Window() {
}
//--------------------------------------------------------------------------------------------------
void Window::Destroy()
{
if (windowRef)
{
// not used
}
wid = 0;
}
//--------------------------------------------------------------------------------------------------
bool Window::HasFocus()
{
NSView* container = reinterpret_cast<NSView*>(wid);
return [[container window] firstResponder] == container;
}
//--------------------------------------------------------------------------------------------------
PRectangle Window::GetPosition()
{
NSRect rect= [reinterpret_cast<NSView*>(wid) frame];
return PRectangle(NSMinX(rect), NSMinY(rect), NSMaxX(rect), NSMaxY(rect));
}
//--------------------------------------------------------------------------------------------------
void Window::SetPosition(PRectangle rc)
{
// Moves this view inside the parent view
if ( wid )
{
// Set the frame on the view, the function handles the rest
// CGRect r = PRectangleToCGRect( rc );
// HIViewSetFrame( reinterpret_cast<HIViewRef>( wid ), &r );
}
}
//--------------------------------------------------------------------------------------------------
void Window::SetPositionRelative(PRectangle rc, Window window) {
// // used to actually move child windows (ie. listbox/calltip) so we have to move
// // the window, not the hiview
// if (windowRef) {
// // we go through some contortions here to get an accurate location for our
// // child windows. This is necessary due to the multiple ways an embedding
// // app may be setup. See SciTest/main.c (GOOD && BAD) for test case.
// WindowRef relativeWindow = GetControlOwner(reinterpret_cast<HIViewRef>( window.GetID() ));
// WindowRef thisWindow = reinterpret_cast<WindowRef>( windowRef );
//
// Rect portBounds;
// ::GetWindowBounds(relativeWindow, kWindowStructureRgn, &portBounds);
// //fprintf(stderr, "portBounds %d %d %d %d\n", portBounds.left, portBounds.top, portBounds.right, portBounds.bottom);
// PRectangle hbounds = window.GetPosition();
// //fprintf(stderr, "hbounds %d %d %d %d\n", hbounds.left, hbounds.top, hbounds.right, hbounds.bottom);
// HIViewRef parent = HIViewGetSuperview(reinterpret_cast<HIViewRef>( window.GetID() ));
// Rect pbounds;
// GetControlBounds(parent, &pbounds);
// //fprintf(stderr, "pbounds %d %d %d %d\n", pbounds.left, pbounds.top, pbounds.right, pbounds.bottom);
//
// PRectangle bounds;
// bounds.top = portBounds.top + pbounds.top + hbounds.top + rc.top;
// bounds.bottom = bounds.top + rc.Height();
// bounds.left = portBounds.left + pbounds.left + hbounds.left + rc.left;
// bounds.right = bounds.left + rc.Width();
// //fprintf(stderr, "bounds %d %d %d %d\n", bounds.left, bounds.top, bounds.right, bounds.bottom);
//
// MoveWindow(thisWindow, bounds.left, bounds.top, false);
// SizeWindow(thisWindow, bounds.Width(), bounds.Height(), true);
//
// SetPosition(PRectangle(0,0,rc.Width(),rc.Height()));
// } else {
// 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 ) {
// HIViewSetVisible( reinterpret_cast<HIViewRef>( wid ), show );
// }
// // this is necessary for calltip/listbox
// if (windowRef) {
// WindowRef thisWindow = reinterpret_cast<WindowRef>( windowRef );
// if (show) {
// ShowWindow( thisWindow );
// DrawControls( thisWindow );
// } else
// HideWindow( thisWindow );
// }
}
//--------------------------------------------------------------------------------------------------
/**
* Invalidates the entire window (here an NSView) so it is completely redrawn.
*/
void Window::InvalidateAll()
{
if (wid)
{
NSView* container = reinterpret_cast<NSView*>(wid);
container.needsDisplay = YES;
}
}
//--------------------------------------------------------------------------------------------------
/**
* Invalidates part of the window (here an NSView) so only this part redrawn.
*/
void Window::InvalidateRectangle(PRectangle rc)
{
if (wid)
{
NSView* container = reinterpret_cast<NSView*>(wid);
[container setNeedsDisplayInRect: PRectangleToNSRect(rc)];
}
}
//--------------------------------------------------------------------------------------------------
void Window::SetFont(Font &)
{
// TODO: Do I need to implement this? MSDN: specifies the font that a control is to use when drawing text.
}
//--------------------------------------------------------------------------------------------------
/**
* 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)
{
InnerView* container = reinterpret_cast<InnerView*>(wid);
[container setCursor: curs];
}
}
//--------------------------------------------------------------------------------------------------
void Window::SetTitle(const char *s)
{
// WindowRef window = GetControlOwner(reinterpret_cast<HIViewRef>( wid ));
// CFStringRef title = CFStringCreateWithCString(kCFAllocatorDefault, s, kCFStringEncodingMacRoman);
// SetWindowTitleWithCFString(window, title);
// CFRelease(title);
}
//--------------------------------------------------------------------------------------------------
PRectangle Window::GetMonitorRect(Point)
{
return PRectangle();
}
//----------------- ListBox ------------------------------------------------------------------------
ListBox::ListBox()
{
}
//--------------------------------------------------------------------------------------------------
ListBox::~ListBox()
{
}
//--------------------------------------------------------------------------------------------------
static const OSType scintillaListBoxType = 'sclb';
enum {
kItemsPerContainer = 1,
kIconColumn = 'icon',
kTextColumn = 'text'
};
static SInt32 kScrollBarWidth = 0;
class LineData {
int *types;
CFStringRef *strings;
int len;
int maximum;
public:
LineData() :types(0), strings(0), len(0), maximum(0) {}
~LineData() {
Clear();
}
void Clear() {
delete []types;
types = 0;
for (int i=0; i<maximum; i++) {
if (strings[i]) CFRelease(strings[i]);
}
delete []strings;
strings = 0;
len = 0;
maximum = 0;
}
void Add(int index, int type, CFStringRef str ) {
if (index >= maximum) {
if (index >= len) {
int lenNew = (index+1) * 2;
int *typesNew = new int[lenNew];
CFStringRef *stringsNew = new CFStringRef[lenNew];
for (int i=0; i<maximum; i++) {
typesNew[i] = types[i];
stringsNew[i] = strings[i];
}
delete []types;
delete []strings;
types = typesNew;
strings = stringsNew;
len = lenNew;
}
while (maximum < index) {
types[maximum] = 0;
strings[maximum] = 0;
maximum++;
}
}
types[index] = type;
strings[index] = str;
if (index == maximum) {
maximum++;
}
}
int GetType(int index) {
if (index < maximum) {
return types[index];
} else {
return 0;
}
}
CFStringRef GetString(int index) {
if (index < maximum) {
return strings[index];
} else {
return 0;
}
}
};
//----------------- ListBoxImpl --------------------------------------------------------------------
class ListBoxImpl : public ListBox
{
private:
ControlRef lb;
XPMSet xset;
int lineHeight;
bool unicodeMode;
int desiredVisibleRows;
unsigned int maxItemWidth;
unsigned int aveCharWidth;
Font font;
int maxWidth;
void InstallDataBrowserCustomCallbacks();
void ConfigureDataBrowser();
static pascal OSStatus WindowEventHandler(EventHandlerCallRef inCallRef,
EventRef inEvent,
void *inUserData );
EventHandlerRef eventHandler;
protected:
WindowRef windowRef;
public:
LineData ld;
CallBackAction doubleClickAction;
void *doubleClickActionData;
ListBoxImpl() : lb(NULL), lineHeight(10), unicodeMode(false),
desiredVisibleRows(5), maxItemWidth(0), aveCharWidth(8),
doubleClickAction(NULL), doubleClickActionData(NULL)
{
if (kScrollBarWidth == 0)
;//GetThemeMetric(kThemeMetricScrollBarWidth, &kScrollBarWidth);
}
~ListBoxImpl() {};
void SetFont(Font &font);
void Create(Window &parent, int ctrlID, Scintilla::Point pt, int lineHeight_, bool unicodeMode_);
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 Sort();
void RegisterImage(int type, const char *xpm_data);
void ClearRegisteredImages();
void SetDoubleClickAction(CallBackAction action, void *data) {
doubleClickAction = action;
doubleClickActionData = data;
}
int IconWidth();
void ShowHideScrollbar();
#ifdef DB_TABLE_ROW_HEIGHT
void SetRowHeight(DataBrowserItemID itemID);
#endif
void DrawRow(DataBrowserItemID item,
DataBrowserPropertyID property,
DataBrowserItemState itemState,
const Rect *theRect);
void SetList(const char* list, char separator, char typesep);
};
ListBox *ListBox::Allocate() {
ListBoxImpl *lb = new ListBoxImpl();
return lb;
}
void ListBoxImpl::Create(Window &/*parent*/, int /*ctrlID*/, Scintilla::Point /*pt*/,
int lineHeight_, bool unicodeMode_) {
lineHeight = lineHeight_;
unicodeMode = unicodeMode_;
maxWidth = 2000;
//WindowClass windowClass = kHelpWindowClass;
//WindowAttributes attributes = kWindowNoAttributes;
Rect contentBounds;
WindowRef outWindow;
contentBounds.top = contentBounds.left = 0;
contentBounds.right = 100;
contentBounds.bottom = lineHeight * desiredVisibleRows;
//CreateNewWindow(windowClass, attributes, &contentBounds, &outWindow);
//InstallStandardEventHandler(GetWindowEventTarget(outWindow));
//ControlRef root;
//CreateRootControl(outWindow, &root);
//CreateDataBrowserControl(outWindow, &contentBounds, kDataBrowserListView, &lb);
#ifdef DB_TABLE_ROW_HEIGHT
// TODO: does not seem to have any effect
//SetDataBrowserTableViewRowHeight(lb, lineHeight);
#endif
// get rid of the frame, forces databrowser to the full size
// of the window
//Boolean frameAndFocus = false;
//SetControlData(lb, kControlNoPart, kControlDataBrowserIncludesFrameAndFocusTag,
// sizeof(frameAndFocus), &frameAndFocus);
//ListBoxImpl* lbThis = this;
//SetControlProperty( lb, scintillaListBoxType, 0, sizeof( this ), &lbThis );
ConfigureDataBrowser();
InstallDataBrowserCustomCallbacks();
// install event handlers
/*
static const EventTypeSpec kWindowEvents[] =
{
{ kEventClassMouse, kEventMouseDown },
{ kEventClassMouse, kEventMouseMoved },
};
*/
eventHandler = NULL;
//InstallWindowEventHandler( outWindow, WindowEventHandler,
// GetEventTypeCount( kWindowEvents ),
// kWindowEvents, this, &eventHandler );
wid = lb;
//SetControlVisibility(lb, true, true);
SetControl(lb);
SetWindow(outWindow);
}
pascal OSStatus ListBoxImpl::WindowEventHandler(
EventHandlerCallRef inCallRef,
EventRef inEvent,
void* inUserData )
{
switch (kEventClassMouse /* GetEventClass(inEvent) */) {
case kEventClassMouse:
switch (kEventMouseDown /* GetEventKind(inEvent) */ )
{
case kEventMouseMoved:
{
//SetThemeCursor( kThemeArrowCursor );
break;
}
case kEventMouseDown:
{
// we cannot handle the double click from the databrowser notify callback as
// calling doubleClickAction causes the listbox to be destroyed. It is
// safe to do it from this event handler since the destroy event will be queued
// until we're done here.
/*
TCarbonEvent event( inEvent );
EventMouseButton inMouseButton;
event.GetParameter<EventMouseButton>( kEventParamMouseButton, typeMouseButton, &inMouseButton );
UInt32 inClickCount;
event.GetParameter( kEventParamClickCount, &inClickCount );
if (inMouseButton == kEventMouseButtonPrimary && inClickCount == 2) {
// handle our single mouse click now
ListBoxImpl* listbox = reinterpret_cast<ListBoxImpl*>( inUserData );
const WindowRef window = GetControlOwner(listbox->lb);
const HIViewRef rootView = HIViewGetRoot( window );
HIViewRef targetView = NULL;
HIViewGetViewForMouseEvent( rootView, inEvent, &targetView );
if ( targetView == listbox->lb )
{
if (listbox->doubleClickAction != NULL) {
listbox->doubleClickAction(listbox->doubleClickActionData);
}
}
}
*/
}
}
}
return eventNotHandledErr;
}
#ifdef DB_TABLE_ROW_HEIGHT
void ListBoxImpl::SetRowHeight(DataBrowserItemID itemID)
{
// XXX does not seem to have any effect
//SetDataBrowserTableViewItemRowHeight(lb, itemID, lineHeight);
}
#endif
void ListBoxImpl::DrawRow(DataBrowserItemID item,
DataBrowserPropertyID property,
DataBrowserItemState itemState,
const Rect *theRect)
{
Rect row = *theRect;
row.left = 0;
ColourPair fore;
if (itemState == kDataBrowserItemIsSelected) {
long systemVersion;
Gestalt( gestaltSystemVersion, &systemVersion );
// Panther DB starts using kThemeBrushSecondaryHighlightColor for inactive browser hilighting
if ( (systemVersion >= 0x00001030) )//&& (IsControlActive( lb ) == false) )
;//SetThemePen( kThemeBrushSecondaryHighlightColor, 32, true );
else
; //SetThemePen( kThemeBrushAlternatePrimaryHighlightColor, 32, true );
PaintRect(&row);
fore = ColourDesired(0xff,0xff,0xff);
}
int widthPix = xset.GetWidth() + 2;
int pixId = ld.GetType(item - 1);
XPM *pxpm = xset.Get(pixId);
char s[255];
GetValue(item - 1, s, 255);
Surface *surfaceItem = Surface::Allocate();
if (surfaceItem) {
CGContextRef cgContext;
GrafPtr port;
Rect bounds;
//GetControlBounds(lb, &bounds);
GetPort( &port );
QDBeginCGContext( port, &cgContext );
CGContextSaveGState( cgContext );
CGContextTranslateCTM(cgContext, 0, bounds.bottom - bounds.top);
CGContextScaleCTM(cgContext, 1.0, -1.0);
surfaceItem->Init(cgContext, NULL);
int left = row.left;
if (pxpm) {
PRectangle rc(left + 1, row.top,
left + 1 + widthPix, row.bottom);
pxpm->Draw(surfaceItem, rc);
}
// draw the text
PRectangle trc(left + 2 + widthPix, row.top, row.right, row.bottom);
int ascent = surfaceItem->Ascent(font) - surfaceItem->InternalLeading(font);
int ytext = trc.top + ascent + 1;
trc.bottom = ytext + surfaceItem->Descent(font) + 1;
surfaceItem->DrawTextTransparent( trc, font, ytext, s, strlen(s), fore.allocated );
CGContextRestoreGState( cgContext );
QDEndCGContext( port, &cgContext );
delete surfaceItem;
}
}
pascal void ListBoxDrawItemCallback(ControlRef browser, DataBrowserItemID item,
DataBrowserPropertyID property,
DataBrowserItemState itemState,
const Rect *theRect, SInt16 gdDepth,
Boolean colorDevice)
{
if (property != kIconColumn) return;
ListBoxImpl* lbThis = NULL;
//OSStatus err;
//err = GetControlProperty( browser, scintillaListBoxType, 0, sizeof( lbThis ), NULL, &lbThis );
// adjust our rect
lbThis->DrawRow(item, property, itemState, theRect);
}
void ListBoxImpl::ConfigureDataBrowser()
{
DataBrowserViewStyle viewStyle;
//DataBrowserSelectionFlags selectionFlags;
//GetDataBrowserViewStyle(lb, &viewStyle);
//SetDataBrowserHasScrollBars(lb, false, true);
//SetDataBrowserListViewHeaderBtnHeight(lb, 0);
//GetDataBrowserSelectionFlags(lb, &selectionFlags);
//SetDataBrowserSelectionFlags(lb, selectionFlags |= kDataBrowserSelectOnlyOne);
// if you change the hilite style, also change the style in ListBoxDrawItemCallback
//SetDataBrowserTableViewHiliteStyle(lb, kDataBrowserTableViewFillHilite);
Rect insetRect;
//GetDataBrowserScrollBarInset(lb, &insetRect);
insetRect.right = kScrollBarWidth - 1;
//SetDataBrowserScrollBarInset(lb, &insetRect);
switch (viewStyle)
{
case kDataBrowserListView:
{
DataBrowserListViewColumnDesc iconCol;
iconCol.headerBtnDesc.version = kDataBrowserListViewLatestHeaderDesc;
iconCol.headerBtnDesc.minimumWidth = 0;
iconCol.headerBtnDesc.maximumWidth = maxWidth;
iconCol.headerBtnDesc.titleOffset = 0;
iconCol.headerBtnDesc.titleString = NULL;
iconCol.headerBtnDesc.initialOrder = kDataBrowserOrderIncreasing;
iconCol.headerBtnDesc.btnFontStyle.flags = kControlUseJustMask;
iconCol.headerBtnDesc.btnFontStyle.just = teFlushLeft;
iconCol.headerBtnDesc.btnContentInfo.contentType = kControlContentTextOnly;
iconCol.propertyDesc.propertyID = kIconColumn;
iconCol.propertyDesc.propertyType = kDataBrowserCustomType;
iconCol.propertyDesc.propertyFlags = kDataBrowserListViewSelectionColumn;
//AddDataBrowserListViewColumn(lb, &iconCol, kDataBrowserListViewAppendColumn);
} break;
}
}
void ListBoxImpl::InstallDataBrowserCustomCallbacks()
{
/*
DataBrowserCustomCallbacks callbacks;
callbacks.version = kDataBrowserLatestCustomCallbacks;
verify_noerr(InitDataBrowserCustomCallbacks(&callbacks));
callbacks.u.v1.drawItemCallback = NewDataBrowserDrawItemUPP(ListBoxDrawItemCallback);
callbacks.u.v1.hitTestCallback = NULL;//NewDataBrowserHitTestUPP(ListBoxHitTestCallback);
callbacks.u.v1.trackingCallback = NULL;//NewDataBrowserTrackingUPP(ListBoxTrackingCallback);
callbacks.u.v1.editTextCallback = NULL;
callbacks.u.v1.dragRegionCallback = NULL;
callbacks.u.v1.acceptDragCallback = NULL;
callbacks.u.v1.receiveDragCallback = NULL;
SetDataBrowserCustomCallbacks(lb, &callbacks);
*/
}
void ListBoxImpl::SetFont(Font &font_) {
// Having to do this conversion is LAME
QuartzTextStyle *ts = reinterpret_cast<QuartzTextStyle*>( font_.GetID() );
ControlFontStyleRec style;
ATSUAttributeValuePtr value;
ATSUFontID fontID;
style.flags = kControlUseFontMask | kControlUseSizeMask | kControlAddToMetaFontMask;
ts->getAttribute( kATSUFontTag, sizeof(fontID), &fontID, NULL );
ATSUFontIDtoFOND(fontID, &style.font, NULL);
ts->getAttribute( kATSUSizeTag, sizeof(Fixed), &value, NULL );
style.size = ((SInt16)FixRound((SInt32)value));
//SetControlFontStyle(lb, &style);
#ifdef DB_TABLE_ROW_HEIGHT
// XXX this doesn't *stick*
ATSUTextMeasurement ascent = ts->getAttribute<ATSUTextMeasurement>( kATSUAscentTag );
ATSUTextMeasurement descent = ts->getAttribute<ATSUTextMeasurement>( kATSUDescentTag );
lineHeight = Fix2Long( ascent ) + Fix2Long( descent );
//SetDataBrowserTableViewRowHeight(lb, lineHeight + lineLeading);
#endif
// !@&^#%$ we cant copy Font, but we need one for our custom drawing
Str255 fontName255;
char fontName[256];
FMGetFontFamilyName(style.font, fontName255);
CFStringRef fontNameCF = ::CFStringCreateWithPascalString( kCFAllocatorDefault, fontName255, kCFStringEncodingMacRoman );
::CFStringGetCString( fontNameCF, fontName, (CFIndex)255, kCFStringEncodingMacRoman );
font.Create((const char *)fontName, 0, style.size, false, false);
}
void ListBoxImpl::SetAverageCharWidth(int width) {
aveCharWidth = width;
}
void ListBoxImpl::SetVisibleRows(int rows) {
desiredVisibleRows = rows;
}
int ListBoxImpl::GetVisibleRows() const {
// XXX Windows & GTK do this, but it seems incorrect to me. Other logic
// to do with visible rows is essentially the same across platforms.
return desiredVisibleRows;
/*
// This would be more correct
int rows = Length();
if ((rows == 0) || (rows > desiredVisibleRows))
rows = desiredVisibleRows;
return rows;
*/
}
PRectangle ListBoxImpl::GetDesiredRect() {
PRectangle rcDesired = GetPosition();
// XXX because setting the line height on the table doesnt
// *stick*, we'll have to suffer and just use whatever
// the table desides is the correct height.
UInt16 itemHeight;// = lineHeight;
//GetDataBrowserTableViewRowHeight(lb, &itemHeight);
int rows = Length();
if ((rows == 0) || (rows > desiredVisibleRows))
rows = desiredVisibleRows;
rcDesired.bottom = itemHeight * rows;
rcDesired.right = rcDesired.left + maxItemWidth + aveCharWidth;
if (Length() > rows)
rcDesired.right += kScrollBarWidth;
rcDesired.right += IconWidth();
// Set the column width
//SetDataBrowserTableViewColumnWidth (lb, UInt16 (rcDesired.right - rcDesired.left));
return rcDesired;
}
void ListBoxImpl::ShowHideScrollbar() {
int rows = Length();
if (rows > desiredVisibleRows) {
//SetDataBrowserHasScrollBars(lb, false, true);
} else {
//SetDataBrowserHasScrollBars(lb, false, false);
}
}
int ListBoxImpl::IconWidth() {
return xset.GetWidth() + 2;
}
int ListBoxImpl::CaretFromEdge() {
return 0;
}
void ListBoxImpl::Clear() {
// passing NULL to "items" arg 4 clears the list
maxItemWidth = 0;
ld.Clear();
//AddDataBrowserItems (lb, kDataBrowserNoItem, 0, NULL, kDataBrowserItemNoProperty);
}
void ListBoxImpl::Append(char *s, int type) {
int count = Length();
CFStringRef r = CFStringCreateWithCString(NULL, s, kTextEncodingMacRoman);
ld.Add(count, type, r);
Scintilla::SurfaceImpl surface;
unsigned int width = surface.WidthText (font, s, strlen (s));
if (width > maxItemWidth)
maxItemWidth = width;
DataBrowserItemID items[1];
items[0] = count + 1;
//AddDataBrowserItems (lb, kDataBrowserNoItem, 1, items, kDataBrowserItemNoProperty);
ShowHideScrollbar();
}
void ListBoxImpl::SetList(const char* list, char separator, char typesep) {
// XXX copied from PlatGTK, should be in base class
Clear();
int count = strlen(list) + 1;
char *words = new char[count];
if (words) {
memcpy(words, list, count);
char *startword = words;
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 + i + 1;
numword = NULL;
} else if (words[i] == typesep) {
numword = words + i;
}
}
if (startword) {
if (numword)
*numword = '\0';
Append(startword, numword?atoi(numword + 1):-1);
}
delete []words;
}
}
int ListBoxImpl::Length() {
UInt32 numItems = 0;
//GetDataBrowserItemCount(lb, kDataBrowserNoItem, false, kDataBrowserItemAnyState, &numItems);
return (int)numItems;
}
void ListBoxImpl::Select(int n) {
DataBrowserItemID items[1];
items[0] = n + 1;
//SetDataBrowserSelectedItems(lb, 1, items, kDataBrowserItemsAssign);
//RevealDataBrowserItem(lb, items[0], kIconColumn, kDataBrowserRevealOnly);
// force update on selection
//Draw1Control(lb);
}
int ListBoxImpl::GetSelection() {
Handle selectedItems = NewHandle(0);
//GetDataBrowserItems(lb, kDataBrowserNoItem, true, kDataBrowserItemIsSelected, selectedItems);
UInt32 numSelectedItems = GetHandleSize(selectedItems)/sizeof(DataBrowserItemID);
if (numSelectedItems == 0) {
return -1;
}
HLock( selectedItems );
DataBrowserItemID *individualItem = (DataBrowserItemID*)( *selectedItems );
DataBrowserItemID selected[numSelectedItems];
selected[0] = *individualItem;
HUnlock( selectedItems );
return selected[0] - 1;
}
int ListBoxImpl::Find(const char *prefix) {
int count = Length();
char s[255];
for (int i = 0; i < count; i++) {
GetValue(i, s, 255);
if ((s[0] != '\0') && (0 == strncmp(prefix, s, strlen(prefix)))) {
return i;
}
}
return - 1;
}
void ListBoxImpl::GetValue(int n, char *value, int len) {
CFStringRef textString = ld.GetString(n);
if (textString == NULL) {
value[0] = '\0';
return;
}
CFIndex numUniChars = CFStringGetLength( textString );
// XXX how do we know the encoding of the listbox?
CFStringEncoding encoding = kCFStringEncodingUTF8; //( IsUnicodeMode() ? kCFStringEncodingUTF8 : kCFStringEncodingASCII);
CFIndex maximumByteLength = CFStringGetMaximumSizeForEncoding( numUniChars, encoding ) + 1;
char* text = new char[maximumByteLength];
CFIndex usedBufferLength = 0;
CFStringGetBytes( textString, CFRangeMake( 0, numUniChars ), encoding,
'?', false, reinterpret_cast<UInt8*>( text ),
maximumByteLength, &usedBufferLength );
text[usedBufferLength] = '\0'; // null terminate the ASCII/UTF8 string
if (text && len > 0) {
strncpy(value, text, len);
value[len - 1] = '\0';
} else {
value[0] = '\0';
}
delete text;
}
void ListBoxImpl::Sort() {
// TODO: Implement this
fprintf(stderr, "ListBox::Sort\n");
}
void ListBoxImpl::RegisterImage(int type, const char *xpm_data) {
xset.Add(type, xpm_data);
}
void ListBoxImpl::ClearRegisteredImages() {
xset.Clear();
}
//----------------- 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 pt, Window &)
{
// Cocoa menus are handled a bit differently. We only create the menu. The framework
// takes care to show it properly.
}
//----------------- ElapsedTime --------------------------------------------------------------------
// TODO: Consider if I should be using GetCurrentEventTime instead of gettimeoday
ElapsedTime::ElapsedTime() {
struct timeval curTime;
int retVal;
retVal = gettimeofday( &curTime, NULL );
bigBit = curTime.tv_sec;
littleBit = curTime.tv_usec;
}
double ElapsedTime::Duration(bool reset) {
struct timeval curTime;
int retVal;
retVal = 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 [[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 / kEventDurationMillisecond);
}
//--------------------------------------------------------------------------------------------------
bool Platform::MouseButtonBounce()
{
return false;
}
//--------------------------------------------------------------------------------------------------
/**
* Helper method for the backend to reach through to the scintiall 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 scintiall 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)
{
// No support for DBCS.
return false;
}
//--------------------------------------------------------------------------------------------------
int Platform::DBCSCharLength(int codePage, const char* s)
{
// No support for DBCS.
return 1;
}
//--------------------------------------------------------------------------------------------------
int Platform::DBCSCharMaxLength()
{
// No support for DBCS.
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 );
}
//--------------------------------------------------------------------------------------------------
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)
{
return NULL;
}
//--------------------------------------------------------------------------------------------------
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