src/osx/carbon/utilscocoa.mm

/////////////////////////////////////////////////////////////////////////////
// Name:        src/osx/carbon/utils.mm
// Purpose:     various cocoa mixin utility functions
// Author:      Stefan Csomor
// Modified by:
// Created:     1998-01-01
// RCS-ID:      $Id: utilscocoa.mm 48805 2007-09-19 14:52:25Z SC $
// Copyright:   (c) Stefan Csomor
// Licence:     wxWindows licence
/////////////////////////////////////////////////////////////////////////////

#include "wx/wxprec.h"

#if wxOSX_USE_COCOA_OR_CARBON
#include <Cocoa/Cocoa.h>
#else
#import <UIKit/UIKit.h>
#endif

#ifdef __WXMAC__
#include "wx/osx/private.h"
#endif

#include "wx/fontutil.h"

#ifdef __WXMAC__

#if wxOSX_USE_CARBON
bool wxMacInitCocoa()
{
    bool cocoaLoaded = NSApplicationLoad();
    wxASSERT_MSG(cocoaLoaded,wxT("Couldn't load Cocoa in Carbon Environment")) ;
    return cocoaLoaded;
}
#endif

wxMacAutoreleasePool::wxMacAutoreleasePool()
{
    m_pool = [[NSAutoreleasePool alloc] init];
}

wxMacAutoreleasePool::~wxMacAutoreleasePool()
{
    [(NSAutoreleasePool*)m_pool release];
}

#endif

#if wxOSX_USE_COCOA

CGContextRef wxOSXGetContextFromCurrentContext()
{
    CGContextRef context = (CGContextRef)[[NSGraphicsContext currentContext]
                                          graphicsPort];
    return context;
}

bool wxOSXLockFocus( WXWidget view)
{
    return [view lockFocusIfCanDraw];
}

void wxOSXUnlockFocus( WXWidget view)
{
    [view unlockFocus];
}

#endif

#if wxOSX_USE_IPHONE

CGContextRef wxOSXGetContextFromCurrentContext()
{
    CGContextRef context = UIGraphicsGetCurrentContext();
    return context;
}

#endif

// ----------------------------------------------------------------------------
// NSObject Utils
// ----------------------------------------------------------------------------

void wxMacCocoaRelease( void* obj )
{
    [(NSObject*)obj release];
}

void wxMacCocoaAutorelease( void* obj )
{
    [(NSObject*)obj autorelease];
}

void* wxMacCocoaRetain( void* obj )
{
    [(NSObject*)obj retain];
    return obj;
}

// ----------------------------------------------------------------------------
// NSFont Utils
// ----------------------------------------------------------------------------

#if wxOSX_USE_COCOA

WX_NSFont wxFont::OSXCreateNSFont(wxOSXSystemFont font, wxNativeFontInfo* info)
{
    NSFont* nsfont = nil;
    switch( font )
    {
        case wxOSX_SYSTEM_FONT_NORMAL:
            nsfont = [NSFont systemFontOfSize:[NSFont systemFontSize]];
            break;
        case wxOSX_SYSTEM_FONT_BOLD:
            nsfont = [NSFont boldSystemFontOfSize:[NSFont systemFontSize]];
            break;
        case wxOSX_SYSTEM_FONT_SMALL:
            nsfont = [NSFont systemFontOfSize:[NSFont smallSystemFontSize]];
            break;
        case wxOSX_SYSTEM_FONT_SMALL_BOLD:
            nsfont = [NSFont boldSystemFontOfSize:[NSFont smallSystemFontSize]];
            break;
        case wxOSX_SYSTEM_FONT_MINI:
            nsfont = [NSFont systemFontOfSize:
                [NSFont systemFontSizeForControlSize:NSMiniControlSize]];
            break;
       case wxOSX_SYSTEM_FONT_MINI_BOLD:
            nsfont = [NSFont boldSystemFontOfSize:
                [NSFont systemFontSizeForControlSize:NSMiniControlSize]];
            break;
        case wxOSX_SYSTEM_FONT_LABELS:
            nsfont = [NSFont labelFontOfSize:[NSFont labelFontSize]];
            break;
       case wxOSX_SYSTEM_FONT_VIEWS:
            nsfont = [NSFont controlContentFontOfSize:0];
            break;
        default:
            break;
    }
    [nsfont retain];
    NSFontDescriptor*desc = [[nsfont fontDescriptor] retain];
    if ( info->m_faceName.empty())
    {
        wxFontStyle fontstyle = wxFONTSTYLE_NORMAL;
        wxFontWeight fontweight = wxFONTWEIGHT_NORMAL;
        bool underlined = false;

        int size = (int) ([desc pointSize]+0.5);
        NSFontSymbolicTraits traits = [desc symbolicTraits];

        if ( traits & NSFontBoldTrait )
            fontweight = wxFONTWEIGHT_BOLD ;
        else
            fontweight = wxFONTWEIGHT_NORMAL ;
        if ( traits & NSFontItalicTrait )
            fontstyle = wxFONTSTYLE_ITALIC ;

        wxCFStringRef fontname( [desc postscriptName] );
        info->Init(size,wxFONTFAMILY_DEFAULT,fontstyle,fontweight,underlined,
            fontname.AsString(), wxFONTENCODING_DEFAULT);

    }
    info->m_nsFontDescriptor = desc;
    return nsfont;
}

void wxNativeFontInfo::OSXValidateNSFontDescriptor()
{
    NSFontDescriptor* desc  = [NSFontDescriptor fontDescriptorWithName:wxCFStringRef(m_faceName).AsNSString() size:m_pointSize];
    NSFontSymbolicTraits traits = 0;

    if (m_weight == wxFONTWEIGHT_BOLD)
        traits |= NSFontBoldTrait;
    if (m_style == wxFONTSTYLE_ITALIC || m_style == wxFONTSTYLE_SLANT)
        traits |= NSFontItalicTrait;

    if ( traits != 0 )
    {
        desc = [desc fontDescriptorWithSymbolicTraits:traits];
    }
    wxMacCocoaRetain(desc);
    m_nsFontDescriptor = desc;
}

WX_NSFont wxFont::OSXCreateNSFont(const wxNativeFontInfo* info)
{
    NSFont* nsFont;
    nsFont = [NSFont fontWithDescriptor:info->m_nsFontDescriptor size:info->m_pointSize];
    wxMacCocoaRetain(nsFont);
    return nsFont;
}

#endif

#if wxOSX_USE_IPHONE

WX_UIFont wxFont::OSXCreateUIFont(wxOSXSystemFont font, wxNativeFontInfo* info)
{
    UIFont* uifont;
    switch( font )
    {
        case wxOSX_SYSTEM_FONT_NORMAL:
            uifont = [UIFont systemFontOfSize:[UIFont systemFontSize]];
            break;
        case wxOSX_SYSTEM_FONT_BOLD:
            uifont = [UIFont boldSystemFontOfSize:[UIFont systemFontSize]];
            break;
        case wxOSX_SYSTEM_FONT_MINI:
        case wxOSX_SYSTEM_FONT_SMALL:
            uifont = [UIFont systemFontOfSize:[UIFont smallSystemFontSize]];
            break;
        case wxOSX_SYSTEM_FONT_MINI_BOLD:
        case wxOSX_SYSTEM_FONT_SMALL_BOLD:
            uifont = [UIFont boldSystemFontOfSize:[UIFont smallSystemFontSize]];
            break;
        case wxOSX_SYSTEM_FONT_VIEWS:
        case wxOSX_SYSTEM_FONT_LABELS:
            uifont = [UIFont systemFontOfSize:[UIFont labelFontSize]];
            break;
        default:
            break;
    }
    [uifont retain];
    if ( info->m_faceName.empty())
    {
        wxFontStyle fontstyle = wxFONTSTYLE_NORMAL;
        wxFontWeight fontweight = wxFONTWEIGHT_NORMAL;
        bool underlined = false;

        int size = (int) ([uifont pointSize]+0.5);
        /*
        NSFontSymbolicTraits traits = [desc symbolicTraits];

        if ( traits & NSFontBoldTrait )
            fontweight = wxFONTWEIGHT_BOLD ;
        else
            fontweight = wxFONTWEIGHT_NORMAL ;
        if ( traits & NSFontItalicTrait )
            fontstyle = wxFONTSTYLE_ITALIC ;
        */
        wxCFStringRef fontname( [uifont familyName] );
        info->Init(size,wxFONTFAMILY_DEFAULT,fontstyle,fontweight,underlined,
            fontname.AsString(), wxFONTENCODING_DEFAULT);

    }
    return uifont;
}

WX_UIFont wxFont::OSXCreateUIFont(const wxNativeFontInfo* info)
{
    UIFont* uiFont;
    uiFont = [UIFont fontWithName:wxCFStringRef(info->m_faceName).AsNSString() size:info->m_pointSize];
    wxMacCocoaRetain(uiFont);
    return uiFont;
}

#endif
// ----------------------------------------------------------------------------
// NSImage Utils
// ----------------------------------------------------------------------------

#if wxOSX_USE_COCOA

//  From "Cocoa Drawing Guide:Working with Images"
WX_NSImage  wxOSXCreateNSImageFromCGImage( CGImageRef image )
{
    NSRect      imageRect    = NSMakeRect(0.0, 0.0, 0.0, 0.0);

    // Get the image dimensions.
    imageRect.size.height = CGImageGetHeight(image);
    imageRect.size.width = CGImageGetWidth(image);

    // Create a new image to receive the Quartz image data.
    NSImage  *newImage = [[NSImage alloc] initWithSize:imageRect.size];
    [newImage lockFocus];

    // Get the Quartz context and draw.
    CGContextRef  imageContext = (CGContextRef) [[NSGraphicsContext currentContext] graphicsPort];
    CGContextDrawImage( imageContext, *(CGRect*)&imageRect, image );
    [newImage unlockFocus];

    /*
        // Create a bitmap rep from the image...
        NSBitmapImageRep *bitmapRep = [[NSBitmapImageRep alloc] initWithCGImage:cgImage];
        // Create an NSImage and add the bitmap rep to it...
        NSImage *image = [[NSImage alloc] init];
        [image addRepresentation:bitmapRep];
        [bitmapRep release];
    */
    [newImage autorelease];
    return( newImage );
}

// ----------------------------------------------------------------------------
// NSCursor Utils
// ----------------------------------------------------------------------------

// copied from cursor.mm

static NSCursor* wxGetStockCursor( short sIndex )
{
    ClassicCursor* pCursor = &gMacCursors[sIndex];

    //Classic mac cursors are 1bps 16x16 black and white with a
    //identical mask that is 1 for on and 0 for off
    NSImage *theImage = [[NSImage alloc] initWithSize:NSMakeSize(16.0,16.0)];

    //NSCursor takes an NSImage takes a number of Representations - here
    //we need only one for the raw data
    NSBitmapImageRep *theRep = [[NSBitmapImageRep alloc]
        initWithBitmapDataPlanes: NULL  // Tell Cocoa to allocate the planes for us.
        pixelsWide: 16      // All classic cursors are 16x16
        pixelsHigh: 16
        bitsPerSample: 1    // All classic cursors are bitmaps with bitmasks
        samplesPerPixel: 2  // Sample 0:image 1:mask
        hasAlpha: YES       // Identify last sample as a mask
        isPlanar: YES       // Use a separate array for each sample
        colorSpaceName: NSCalibratedWhiteColorSpace // 0.0=black 1.0=white
        bytesPerRow: 2      // Rows in each plane are on 2-byte boundaries (no pad)
        bitsPerPixel: 1];   // same as bitsPerSample since data is planar

    // Ensure that Cocoa allocated 2 and only 2 of the 5 possible planes
    unsigned char *planes[5];
    [theRep getBitmapDataPlanes:planes];
    wxASSERT(planes[0] != NULL);
    wxASSERT(planes[1] != NULL);
    wxASSERT(planes[2] == NULL);
    wxASSERT(planes[3] == NULL);
    wxASSERT(planes[4] == NULL);

    // NOTE1: The Cursor's bits field is white=0 black=1.. thus the bitwise-not
    // Why not use NSCalibratedBlackColorSpace?  Because that reverses the
    // sense of the alpha (mask) plane.
    // NOTE2: The mask data is 0=off 1=on
    // NOTE3: Cocoa asks for "premultiplied" color planes.  Since we have a
    // 1-bit color plane and a 1-bit alpha plane we can just do a bitwise-and
    // on the two.  The original cursor bitmaps have 0 (white actually) for
    // any masked-off pixels.  Therefore every masked-off pixel would be wrong
    // since we bit-flip all of the picture bits.  In practice, Cocoa doesn't
    // seem to care, but we are following the documentation.

    // Fill in the color (black/white) plane
    for(int i=0; i<16; ++i)
    {
        planes[0][2*i  ] = (~pCursor->bits[i] & pCursor->mask[i]) >> 8 & 0xff;
        planes[0][2*i+1] = (~pCursor->bits[i] & pCursor->mask[i]) & 0xff;
    }
    // Fill in the alpha (i.e. mask) plane
    for(int i=0; i<16; ++i)
    {
        planes[1][2*i  ] = pCursor->mask[i] >> 8 & 0xff;
        planes[1][2*i+1] = pCursor->mask[i] & 0xff;
    }

    //add the representation (data) to the image
    [theImage addRepresentation:theRep];

    //create the new cursor
    NSCursor* theCursor =  [[NSCursor alloc]  initWithImage:theImage
                                    hotSpot:NSMakePoint(pCursor->hotspot[1], pCursor->hotspot[0])
                            ];

    //do the usual cleanups
    [theRep release];
    [theImage release];

    //return the new cursor
    return theCursor;
}

WX_NSCursor wxMacCocoaCreateStockCursor( int cursor_type )
{
    WX_NSCursor cursor = nil;
    switch (cursor_type)
    {
    case wxCURSOR_COPY_ARROW:
        cursor = [[NSCursor arrowCursor] retain];
        break;

    case wxCURSOR_WATCH:
    case wxCURSOR_WAIT:
        // should be displayed by the system when things are running
        cursor = [[NSCursor arrowCursor] retain];
        break;

    case wxCURSOR_IBEAM:
        cursor = [[NSCursor IBeamCursor] retain];
        break;

    case wxCURSOR_CROSS:
        cursor = [[NSCursor crosshairCursor] retain];
        break;

    case wxCURSOR_SIZENWSE:
        cursor = wxGetStockCursor(kwxCursorSizeNWSE);
        break;

    case wxCURSOR_SIZENESW:
        cursor = wxGetStockCursor(kwxCursorSizeNESW);
        break;

    case wxCURSOR_SIZEWE:
        cursor = [[NSCursor resizeLeftRightCursor] retain];
        break;

    case wxCURSOR_SIZENS:
        cursor = [[NSCursor resizeUpDownCursor] retain];
        break;

    case wxCURSOR_SIZING:
        cursor = wxGetStockCursor(kwxCursorSize);
        break;

    case wxCURSOR_HAND:
        cursor = [[NSCursor pointingHandCursor] retain];
        break;

    case wxCURSOR_BULLSEYE:
        cursor = wxGetStockCursor(kwxCursorBullseye);
        break;

    case wxCURSOR_PENCIL:
        cursor = wxGetStockCursor(kwxCursorPencil);
        break;

    case wxCURSOR_MAGNIFIER:
        cursor = wxGetStockCursor(kwxCursorMagnifier);
        break;

    case wxCURSOR_NO_ENTRY:
        cursor = wxGetStockCursor(kwxCursorNoEntry);
        break;

    case wxCURSOR_PAINT_BRUSH:
        cursor = wxGetStockCursor(kwxCursorPaintBrush);
        break;

    case wxCURSOR_POINT_LEFT:
        cursor = wxGetStockCursor(kwxCursorPointLeft);
        break;

    case wxCURSOR_POINT_RIGHT:
        cursor = wxGetStockCursor(kwxCursorPointRight);
        break;

    case wxCURSOR_QUESTION_ARROW:
        cursor = wxGetStockCursor(kwxCursorQuestionArrow);
        break;

    case wxCURSOR_BLANK:
        cursor = wxGetStockCursor(kwxCursorBlank);
        break;

    case wxCURSOR_RIGHT_ARROW:
        cursor = wxGetStockCursor(kwxCursorRightArrow);
        break;

    case wxCURSOR_SPRAYCAN:
        cursor = wxGetStockCursor(kwxCursorRoller);
        break;

    case wxCURSOR_OPEN_HAND:
        cursor = [[NSCursor openHandCursor] retain];
        break;

    case wxCURSOR_CLOSED_HAND:
        cursor = [[NSCursor closedHandCursor] retain];
        break;

    case wxCURSOR_CHAR:
    case wxCURSOR_ARROW:
    case wxCURSOR_LEFT_BUTTON:
    case wxCURSOR_RIGHT_BUTTON:
    case wxCURSOR_MIDDLE_BUTTON:
    default:
        cursor = [[NSCursor arrowCursor] retain];
        break;
    }
    return cursor;
}

//  C-based style wrapper routines around NSCursor
WX_NSCursor  wxMacCocoaCreateCursorFromCGImage( CGImageRef cgImageRef, float hotSpotX, float hotSpotY )
{
    static BOOL    firstTime  = YES;

    if ( firstTime )
    {
        //  Must first call [[[NSWindow alloc] init] release] to get the NSWindow machinery set up so that NSCursor can use a window to cache the cursor image
        [[[NSWindow alloc] init] release];
        firstTime = NO;
    }

    NSImage    *nsImage  = wxOSXCreateNSImageFromCGImage( cgImageRef );
    NSCursor  *cursor    = [[NSCursor alloc] initWithImage:nsImage hotSpot:NSMakePoint( hotSpotX, hotSpotY )];

    [nsImage release];

    return cursor;
}

void  wxMacCocoaSetCursor( WX_NSCursor cursor )
{
    [cursor set];
}

void  wxMacCocoaHideCursor()
{
    [NSCursor hide];
}

void  wxMacCocoaShowCursor()
{
    [NSCursor unhide];
}

#endif
Commit	Line	Data
	1	/////////////////////////////////////////////////////////////////////////////
	2	// Name: src/osx/carbon/utils.mm
	3	// Purpose: various cocoa mixin utility functions
	4	// Author: Stefan Csomor
	5	// Modified by:
	6	// Created: 1998-01-01
	7	// RCS-ID: $Id: utilscocoa.mm 48805 2007-09-19 14:52:25Z SC $
	8	// Copyright: (c) Stefan Csomor
	9	// Licence: wxWindows licence
	10	/////////////////////////////////////////////////////////////////////////////
	11
	12	#include "wx/wxprec.h"
	13
	14	#if wxOSX_USE_COCOA_OR_CARBON
	15	#include <Cocoa/Cocoa.h>
	16	#else
	17	#import <UIKit/UIKit.h>
	18	#endif
	19
	20	#ifdef __WXMAC__
	21	#include "wx/osx/private.h"
	22	#endif
	23
	24	#include "wx/fontutil.h"
	25
	26	#ifdef __WXMAC__
	27
	28	#if wxOSX_USE_CARBON
	29	bool wxMacInitCocoa()
	30	{
	31	bool cocoaLoaded = NSApplicationLoad();
	32	wxASSERT_MSG(cocoaLoaded,wxT("Couldn't load Cocoa in Carbon Environment")) ;
	33	return cocoaLoaded;
	34	}
	35	#endif
	36
	37	wxMacAutoreleasePool::wxMacAutoreleasePool()
	38	{
	39	m_pool = [[NSAutoreleasePool alloc] init];
	40	}
	41
	42	wxMacAutoreleasePool::~wxMacAutoreleasePool()
	43	{
	44	[(NSAutoreleasePool*)m_pool release];
	45	}
	46
	47	#endif
	48
	49	#if wxOSX_USE_COCOA
	50
	51	CGContextRef wxOSXGetContextFromCurrentContext()
	52	{
	53	CGContextRef context = (CGContextRef)[[NSGraphicsContext currentContext]
	54	graphicsPort];
	55	return context;
	56	}
	57
	58	bool wxOSXLockFocus( WXWidget view)
	59	{
	60	return [view lockFocusIfCanDraw];
	61	}
	62
	63	void wxOSXUnlockFocus( WXWidget view)
	64	{
	65	[view unlockFocus];
	66	}
	67
	68	#endif
	69
	70	#if wxOSX_USE_IPHONE
	71
	72	CGContextRef wxOSXGetContextFromCurrentContext()
	73	{
	74	CGContextRef context = UIGraphicsGetCurrentContext();
	75	return context;
	76	}
	77
	78	#endif
	79
	80	// ----------------------------------------------------------------------------
	81	// NSObject Utils
	82	// ----------------------------------------------------------------------------
	83
	84	void wxMacCocoaRelease( void* obj )
	85	{
	86	[(NSObject*)obj release];
	87	}
	88
	89	void wxMacCocoaAutorelease( void* obj )
	90	{
	91	[(NSObject*)obj autorelease];
	92	}
	93
	94	void* wxMacCocoaRetain( void* obj )
	95	{
	96	[(NSObject*)obj retain];
	97	return obj;
	98	}
	99
	100	// ----------------------------------------------------------------------------
	101	// NSFont Utils
	102	// ----------------------------------------------------------------------------
	103
	104	#if wxOSX_USE_COCOA
	105
	106	WX_NSFont wxFont::OSXCreateNSFont(wxOSXSystemFont font, wxNativeFontInfo* info)
	107	{
	108	NSFont* nsfont = nil;
	109	switch( font )
	110	{
	111	case wxOSX_SYSTEM_FONT_NORMAL:
	112	nsfont = [NSFont systemFontOfSize:[NSFont systemFontSize]];
	113	break;
	114	case wxOSX_SYSTEM_FONT_BOLD:
	115	nsfont = [NSFont boldSystemFontOfSize:[NSFont systemFontSize]];
	116	break;
	117	case wxOSX_SYSTEM_FONT_SMALL:
	118	nsfont = [NSFont systemFontOfSize:[NSFont smallSystemFontSize]];
	119	break;
	120	case wxOSX_SYSTEM_FONT_SMALL_BOLD:
	121	nsfont = [NSFont boldSystemFontOfSize:[NSFont smallSystemFontSize]];
	122	break;
	123	case wxOSX_SYSTEM_FONT_MINI:
	124	nsfont = [NSFont systemFontOfSize:
	125	[NSFont systemFontSizeForControlSize:NSMiniControlSize]];
	126	break;
	127	case wxOSX_SYSTEM_FONT_MINI_BOLD:
	128	nsfont = [NSFont boldSystemFontOfSize:
	129	[NSFont systemFontSizeForControlSize:NSMiniControlSize]];
	130	break;
	131	case wxOSX_SYSTEM_FONT_LABELS:
	132	nsfont = [NSFont labelFontOfSize:[NSFont labelFontSize]];
	133	break;
	134	case wxOSX_SYSTEM_FONT_VIEWS:
	135	nsfont = [NSFont controlContentFontOfSize:0];
	136	break;
	137	default:
	138	break;
	139	}
	140	[nsfont retain];
	141	NSFontDescriptor*desc = [[nsfont fontDescriptor] retain];
	142	if ( info->m_faceName.empty())
	143	{
	144	wxFontStyle fontstyle = wxFONTSTYLE_NORMAL;
	145	wxFontWeight fontweight = wxFONTWEIGHT_NORMAL;
	146	bool underlined = false;
	147
	148	int size = (int) ([desc pointSize]+0.5);
	149	NSFontSymbolicTraits traits = [desc symbolicTraits];
	150
	151	if ( traits & NSFontBoldTrait )
	152	fontweight = wxFONTWEIGHT_BOLD ;
	153	else
	154	fontweight = wxFONTWEIGHT_NORMAL ;
	155	if ( traits & NSFontItalicTrait )
	156	fontstyle = wxFONTSTYLE_ITALIC ;
	157
	158	wxCFStringRef fontname( [desc postscriptName] );
	159	info->Init(size,wxFONTFAMILY_DEFAULT,fontstyle,fontweight,underlined,
	160	fontname.AsString(), wxFONTENCODING_DEFAULT);
	161
	162	}
	163	info->m_nsFontDescriptor = desc;
	164	return nsfont;
	165	}
	166
	167	void wxNativeFontInfo::OSXValidateNSFontDescriptor()
	168	{
	169	NSFontDescriptor* desc = [NSFontDescriptor fontDescriptorWithName:wxCFStringRef(m_faceName).AsNSString() size:m_pointSize];
	170	NSFontSymbolicTraits traits = 0;
	171
	172	if (m_weight == wxFONTWEIGHT_BOLD)
	173	traits \|= NSFontBoldTrait;
	174	if (m_style == wxFONTSTYLE_ITALIC \|\| m_style == wxFONTSTYLE_SLANT)
	175	traits \|= NSFontItalicTrait;
	176
	177	if ( traits != 0 )
	178	{
	179	desc = [desc fontDescriptorWithSymbolicTraits:traits];
	180	}
	181	wxMacCocoaRetain(desc);
	182	m_nsFontDescriptor = desc;
	183	}
	184
	185	WX_NSFont wxFont::OSXCreateNSFont(const wxNativeFontInfo* info)
	186	{
	187	NSFont* nsFont;
	188	nsFont = [NSFont fontWithDescriptor:info->m_nsFontDescriptor size:info->m_pointSize];
	189	wxMacCocoaRetain(nsFont);
	190	return nsFont;
	191	}
	192
	193	#endif
	194
	195	#if wxOSX_USE_IPHONE
	196
	197	WX_UIFont wxFont::OSXCreateUIFont(wxOSXSystemFont font, wxNativeFontInfo* info)
	198	{
	199	UIFont* uifont;
	200	switch( font )
	201	{
	202	case wxOSX_SYSTEM_FONT_NORMAL:
	203	uifont = [UIFont systemFontOfSize:[UIFont systemFontSize]];
	204	break;
	205	case wxOSX_SYSTEM_FONT_BOLD:
	206	uifont = [UIFont boldSystemFontOfSize:[UIFont systemFontSize]];
	207	break;
	208	case wxOSX_SYSTEM_FONT_MINI:
	209	case wxOSX_SYSTEM_FONT_SMALL:
	210	uifont = [UIFont systemFontOfSize:[UIFont smallSystemFontSize]];
	211	break;
	212	case wxOSX_SYSTEM_FONT_MINI_BOLD:
	213	case wxOSX_SYSTEM_FONT_SMALL_BOLD:
	214	uifont = [UIFont boldSystemFontOfSize:[UIFont smallSystemFontSize]];
	215	break;
	216	case wxOSX_SYSTEM_FONT_VIEWS:
	217	case wxOSX_SYSTEM_FONT_LABELS:
	218	uifont = [UIFont systemFontOfSize:[UIFont labelFontSize]];
	219	break;
	220	default:
	221	break;
	222	}
	223	[uifont retain];
	224	if ( info->m_faceName.empty())
	225	{
	226	wxFontStyle fontstyle = wxFONTSTYLE_NORMAL;
	227	wxFontWeight fontweight = wxFONTWEIGHT_NORMAL;
	228	bool underlined = false;
	229
	230	int size = (int) ([uifont pointSize]+0.5);
	231	/*
	232	NSFontSymbolicTraits traits = [desc symbolicTraits];
	233
	234	if ( traits & NSFontBoldTrait )
	235	fontweight = wxFONTWEIGHT_BOLD ;
	236	else
	237	fontweight = wxFONTWEIGHT_NORMAL ;
	238	if ( traits & NSFontItalicTrait )
	239	fontstyle = wxFONTSTYLE_ITALIC ;
	240	*/
	241	wxCFStringRef fontname( [uifont familyName] );
	242	info->Init(size,wxFONTFAMILY_DEFAULT,fontstyle,fontweight,underlined,
	243	fontname.AsString(), wxFONTENCODING_DEFAULT);
	244
	245	}
	246	return uifont;
	247	}
	248
	249	WX_UIFont wxFont::OSXCreateUIFont(const wxNativeFontInfo* info)
	250	{
	251	UIFont* uiFont;
	252	uiFont = [UIFont fontWithName:wxCFStringRef(info->m_faceName).AsNSString() size:info->m_pointSize];
	253	wxMacCocoaRetain(uiFont);
	254	return uiFont;
	255	}
	256
	257	#endif
	258	// ----------------------------------------------------------------------------
	259	// NSImage Utils
	260	// ----------------------------------------------------------------------------
	261
	262	#if wxOSX_USE_COCOA
	263
	264	// From "Cocoa Drawing Guide:Working with Images"
	265	WX_NSImage wxOSXCreateNSImageFromCGImage( CGImageRef image )
	266	{
	267	NSRect imageRect = NSMakeRect(0.0, 0.0, 0.0, 0.0);
	268
	269	// Get the image dimensions.
	270	imageRect.size.height = CGImageGetHeight(image);
	271	imageRect.size.width = CGImageGetWidth(image);
	272
	273	// Create a new image to receive the Quartz image data.
	274	NSImage *newImage = [[NSImage alloc] initWithSize:imageRect.size];
	275	[newImage lockFocus];
	276
	277	// Get the Quartz context and draw.
	278	CGContextRef imageContext = (CGContextRef) [[NSGraphicsContext currentContext] graphicsPort];
	279	CGContextDrawImage( imageContext, (CGRect)&imageRect, image );
	280	[newImage unlockFocus];
	281
	282	/*
	283	// Create a bitmap rep from the image...
	284	NSBitmapImageRep *bitmapRep = [[NSBitmapImageRep alloc] initWithCGImage:cgImage];
	285	// Create an NSImage and add the bitmap rep to it...
	286	NSImage *image = [[NSImage alloc] init];
	287	[image addRepresentation:bitmapRep];
	288	[bitmapRep release];
	289	*/
	290	[newImage autorelease];
	291	return( newImage );
	292	}
	293
	294	// ----------------------------------------------------------------------------
	295	// NSCursor Utils
	296	// ----------------------------------------------------------------------------
	297
	298	// copied from cursor.mm
	299
	300	static NSCursor* wxGetStockCursor( short sIndex )
	301	{
	302	ClassicCursor* pCursor = &gMacCursors[sIndex];
	303
	304	//Classic mac cursors are 1bps 16x16 black and white with a
	305	//identical mask that is 1 for on and 0 for off
	306	NSImage *theImage = [[NSImage alloc] initWithSize:NSMakeSize(16.0,16.0)];
	307
	308	//NSCursor takes an NSImage takes a number of Representations - here
	309	//we need only one for the raw data
	310	NSBitmapImageRep *theRep = [[NSBitmapImageRep alloc]
	311	initWithBitmapDataPlanes: NULL // Tell Cocoa to allocate the planes for us.
	312	pixelsWide: 16 // All classic cursors are 16x16
	313	pixelsHigh: 16
	314	bitsPerSample: 1 // All classic cursors are bitmaps with bitmasks
	315	samplesPerPixel: 2 // Sample 0:image 1:mask
	316	hasAlpha: YES // Identify last sample as a mask
	317	isPlanar: YES // Use a separate array for each sample
	318	colorSpaceName: NSCalibratedWhiteColorSpace // 0.0=black 1.0=white
	319	bytesPerRow: 2 // Rows in each plane are on 2-byte boundaries (no pad)
	320	bitsPerPixel: 1]; // same as bitsPerSample since data is planar
	321
	322	// Ensure that Cocoa allocated 2 and only 2 of the 5 possible planes
	323	unsigned char *planes[5];
	324	[theRep getBitmapDataPlanes:planes];
	325	wxASSERT(planes[0] != NULL);
	326	wxASSERT(planes[1] != NULL);
	327	wxASSERT(planes[2] == NULL);
	328	wxASSERT(planes[3] == NULL);
	329	wxASSERT(planes[4] == NULL);
	330
	331	// NOTE1: The Cursor's bits field is white=0 black=1.. thus the bitwise-not
	332	// Why not use NSCalibratedBlackColorSpace? Because that reverses the
	333	// sense of the alpha (mask) plane.
	334	// NOTE2: The mask data is 0=off 1=on
	335	// NOTE3: Cocoa asks for "premultiplied" color planes. Since we have a
	336	// 1-bit color plane and a 1-bit alpha plane we can just do a bitwise-and
	337	// on the two. The original cursor bitmaps have 0 (white actually) for
	338	// any masked-off pixels. Therefore every masked-off pixel would be wrong
	339	// since we bit-flip all of the picture bits. In practice, Cocoa doesn't
	340	// seem to care, but we are following the documentation.
	341
	342	// Fill in the color (black/white) plane
	343	for(int i=0; i<16; ++i)
	344	{
	345	planes[0][2*i ] = (~pCursor->bits[i] & pCursor->mask[i]) >> 8 & 0xff;
	346	planes[0][2*i+1] = (~pCursor->bits[i] & pCursor->mask[i]) & 0xff;
	347	}
	348	// Fill in the alpha (i.e. mask) plane
	349	for(int i=0; i<16; ++i)
	350	{
	351	planes[1][2*i ] = pCursor->mask[i] >> 8 & 0xff;
	352	planes[1][2*i+1] = pCursor->mask[i] & 0xff;
	353	}
	354
	355	//add the representation (data) to the image
	356	[theImage addRepresentation:theRep];
	357
	358	//create the new cursor
	359	NSCursor* theCursor = [[NSCursor alloc] initWithImage:theImage
	360	hotSpot:NSMakePoint(pCursor->hotspot[1], pCursor->hotspot[0])
	361	];
	362
	363	//do the usual cleanups
	364	[theRep release];
	365	[theImage release];
	366
	367	//return the new cursor
	368	return theCursor;
	369	}
	370
	371	WX_NSCursor wxMacCocoaCreateStockCursor( int cursor_type )
	372	{
	373	WX_NSCursor cursor = nil;
	374	switch (cursor_type)
	375	{
	376	case wxCURSOR_COPY_ARROW:
	377	cursor = [[NSCursor arrowCursor] retain];
	378	break;
	379
	380	case wxCURSOR_WATCH:
	381	case wxCURSOR_WAIT:
	382	// should be displayed by the system when things are running
	383	cursor = [[NSCursor arrowCursor] retain];
	384	break;
	385
	386	case wxCURSOR_IBEAM:
	387	cursor = [[NSCursor IBeamCursor] retain];
	388	break;
	389
	390	case wxCURSOR_CROSS:
	391	cursor = [[NSCursor crosshairCursor] retain];
	392	break;
	393
	394	case wxCURSOR_SIZENWSE:
	395	cursor = wxGetStockCursor(kwxCursorSizeNWSE);
	396	break;
	397
	398	case wxCURSOR_SIZENESW:
	399	cursor = wxGetStockCursor(kwxCursorSizeNESW);
	400	break;
	401
	402	case wxCURSOR_SIZEWE:
	403	cursor = [[NSCursor resizeLeftRightCursor] retain];
	404	break;
	405
	406	case wxCURSOR_SIZENS:
	407	cursor = [[NSCursor resizeUpDownCursor] retain];
	408	break;
	409
	410	case wxCURSOR_SIZING:
	411	cursor = wxGetStockCursor(kwxCursorSize);
	412	break;
	413
	414	case wxCURSOR_HAND:
	415	cursor = [[NSCursor pointingHandCursor] retain];
	416	break;
	417
	418	case wxCURSOR_BULLSEYE:
	419	cursor = wxGetStockCursor(kwxCursorBullseye);
	420	break;
	421
	422	case wxCURSOR_PENCIL:
	423	cursor = wxGetStockCursor(kwxCursorPencil);
	424	break;
	425
	426	case wxCURSOR_MAGNIFIER:
	427	cursor = wxGetStockCursor(kwxCursorMagnifier);
	428	break;
	429
	430	case wxCURSOR_NO_ENTRY:
	431	cursor = wxGetStockCursor(kwxCursorNoEntry);
	432	break;
	433
	434	case wxCURSOR_PAINT_BRUSH:
	435	cursor = wxGetStockCursor(kwxCursorPaintBrush);
	436	break;
	437
	438	case wxCURSOR_POINT_LEFT:
	439	cursor = wxGetStockCursor(kwxCursorPointLeft);
	440	break;
	441
	442	case wxCURSOR_POINT_RIGHT:
	443	cursor = wxGetStockCursor(kwxCursorPointRight);
	444	break;
	445
	446	case wxCURSOR_QUESTION_ARROW:
	447	cursor = wxGetStockCursor(kwxCursorQuestionArrow);
	448	break;
	449
	450	case wxCURSOR_BLANK:
	451	cursor = wxGetStockCursor(kwxCursorBlank);
	452	break;
	453
	454	case wxCURSOR_RIGHT_ARROW:
	455	cursor = wxGetStockCursor(kwxCursorRightArrow);
	456	break;
	457
	458	case wxCURSOR_SPRAYCAN:
	459	cursor = wxGetStockCursor(kwxCursorRoller);
	460	break;
	461
	462	case wxCURSOR_OPEN_HAND:
	463	cursor = [[NSCursor openHandCursor] retain];
	464	break;
	465
	466	case wxCURSOR_CLOSED_HAND:
	467	cursor = [[NSCursor closedHandCursor] retain];
	468	break;
	469
	470	case wxCURSOR_CHAR:
	471	case wxCURSOR_ARROW:
	472	case wxCURSOR_LEFT_BUTTON:
	473	case wxCURSOR_RIGHT_BUTTON:
	474	case wxCURSOR_MIDDLE_BUTTON:
	475	default:
	476	cursor = [[NSCursor arrowCursor] retain];
	477	break;
	478	}
	479	return cursor;
	480	}
	481
	482	// C-based style wrapper routines around NSCursor
	483	WX_NSCursor wxMacCocoaCreateCursorFromCGImage( CGImageRef cgImageRef, float hotSpotX, float hotSpotY )
	484	{
	485	static BOOL firstTime = YES;
	486
	487	if ( firstTime )
	488	{
	489	// Must first call [[[NSWindow alloc] init] release] to get the NSWindow machinery set up so that NSCursor can use a window to cache the cursor image
	490	[[[NSWindow alloc] init] release];
	491	firstTime = NO;
	492	}
	493
	494	NSImage *nsImage = wxOSXCreateNSImageFromCGImage( cgImageRef );
	495	NSCursor *cursor = [[NSCursor alloc] initWithImage:nsImage hotSpot:NSMakePoint( hotSpotX, hotSpotY )];
	496
	497	[nsImage release];
	498
	499	return cursor;
	500	}
	501
	502	void wxMacCocoaSetCursor( WX_NSCursor cursor )
	503	{
	504	[cursor set];
	505	}
	506
	507	void wxMacCocoaHideCursor()
	508	{
	509	[NSCursor hide];
	510	}
	511
	512	void wxMacCocoaShowCursor()
	513	{
	514	[NSCursor unhide];
	515	}
	516
	517	#endif
	518