forward port from 2.8
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@49791 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
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src/mac/carbon/utilscocoa.mm
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287
src/mac/carbon/utilscocoa.mm
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/////////////////////////////////////////////////////////////////////////////
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// Name: src/mac/carbon/utils.mm
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// Purpose: various cocoa mixin utility functions
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// Author: Stefan Csomor
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// Modified by:
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// Created: 1998-01-01
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// RCS-ID: $Id: utilscocoa.mm 48805 2007-09-19 14:52:25Z SC $
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// Copyright: (c) Stefan Csomor
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#include "wx/wxprec.h"
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#include <Cocoa/Cocoa.h>
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#include "wx/mac/private.h"
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bool wxMacInitCocoa()
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{
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bool cocoaLoaded = NSApplicationLoad();
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wxASSERT_MSG(cocoaLoaded,wxT("Couldn't load Cocoa in Carbon Environment")) ;
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return cocoaLoaded;
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}
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wxMacAutoreleasePool::wxMacAutoreleasePool()
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{
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m_pool = [[NSAutoreleasePool alloc] init];
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}
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wxMacAutoreleasePool::~wxMacAutoreleasePool()
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{
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[(NSAutoreleasePool*)m_pool release];
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}
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// ----------------------------------------------------------------------------
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// NSObject Utils
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// ----------------------------------------------------------------------------
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void wxMacCocoaRelease( void* obj )
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{
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[(NSObject*)obj release];
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}
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void wxMacCocoaAutorelease( void* obj )
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{
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[(NSObject*)obj autorelease];
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}
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void wxMacCocoaRetain( void* obj )
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{
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[(NSObject*)obj retain];
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}
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// ----------------------------------------------------------------------------
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// NSImage Utils
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// ----------------------------------------------------------------------------
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// From "Cocoa Drawing Guide:Working with Images"
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WX_NSImage CreateNSImageFromCGImage( CGImageRef image )
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{
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NSRect imageRect = NSMakeRect(0.0, 0.0, 0.0, 0.0);
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// Get the image dimensions.
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imageRect.size.height = CGImageGetHeight(image);
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imageRect.size.width = CGImageGetWidth(image);
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// Create a new image to receive the Quartz image data.
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NSImage *newImage = [[NSImage alloc] initWithSize:imageRect.size];
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[newImage lockFocus];
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// Get the Quartz context and draw.
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CGContextRef imageContext = (CGContextRef) [[NSGraphicsContext currentContext] graphicsPort];
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CGContextDrawImage( imageContext, *(CGRect*)&imageRect, image );
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[newImage unlockFocus];
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return( newImage );
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}
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// ----------------------------------------------------------------------------
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// NSCursor Utils
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// ----------------------------------------------------------------------------
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#if wxMAC_USE_COCOA
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// copied from cursor.mm
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static NSCursor* wxGetStockCursor( short sIndex )
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{
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ClassicCursor* pCursor = &gMacCursors[sIndex];
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//Classic mac cursors are 1bps 16x16 black and white with a
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//identical mask that is 1 for on and 0 for off
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NSImage *theImage = [[NSImage alloc] initWithSize:NSMakeSize(16.0,16.0)];
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//NSCursor takes an NSImage takes a number of Representations - here
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//we need only one for the raw data
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NSBitmapImageRep *theRep =
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[[NSBitmapImageRep alloc]
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initWithBitmapDataPlanes:nil // Allocate the buffer for us :)
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pixelsWide:16
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pixelsHigh:16
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bitsPerSample:1
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samplesPerPixel:2
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hasAlpha:YES // Well, more like a mask...
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isPlanar:NO
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colorSpaceName:NSCalibratedWhiteColorSpace // Normal B/W - 0 black 1 white
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bytesPerRow:0 // I don't care - figure it out for me :)
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bitsPerPixel:2]; // bitsPerSample * samplesPerPixel
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//unsigned int is better to put data in then a void*
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//note that working with bitfields would be a lot better here -
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//but since it breaks some compilers...
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wxUint32 *data = (wxUint32 *)[theRep bitmapData];
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//traverse through the bitmap data
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for (int i = 0; i < 16; ++i)
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{
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//bit alpha bit alpha ... :D
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//Notice the = instead of |= -
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//this is to avoid doing a memset earlier
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data[i] = 0;
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//do the rest of those bits and alphas :)
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for (int shift = 0; shift < 32; ++shift)
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{
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const int bit = 1 << (shift >> 1);
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data[i] |= ( !!( (pCursor->mask[i] & bit) ) ) << shift;
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data[i] |= ( !( (pCursor->bits[i] & bit) ) ) << ++shift;
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}
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}
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//add the representation (data) to the image
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[theImage addRepresentation:theRep];
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//create the new cursor
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NSCursor* theCursor = [[NSCursor alloc] initWithImage:theImage
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hotSpot:NSMakePoint(pCursor->hotspot[1], pCursor->hotspot[0])
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];
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//do the usual cleanups
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[theRep release];
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[theImage release];
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//return the new cursor
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return theCursor;
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}
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WX_NSCursor wxMacCocoaCreateStockCursor( int cursor_type )
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{
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WX_NSCursor cursor = nil;
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switch (cursor_type)
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{
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case wxCURSOR_COPY_ARROW:
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cursor = [[NSCursor arrowCursor] retain];
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break;
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case wxCURSOR_WATCH:
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case wxCURSOR_WAIT:
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// should be displayed by the system when things are running
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cursor = [[NSCursor arrowCursor] retain];
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break;
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case wxCURSOR_IBEAM:
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cursor = [[NSCursor IBeamCursor] retain];
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break;
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case wxCURSOR_CROSS:
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cursor = [[NSCursor crosshairCursor] retain];
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break;
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case wxCURSOR_SIZENWSE:
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cursor = wxGetStockCursor(kwxCursorSizeNWSE);
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break;
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case wxCURSOR_SIZENESW:
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cursor = wxGetStockCursor(kwxCursorSizeNESW);
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break;
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case wxCURSOR_SIZEWE:
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cursor = [[NSCursor resizeLeftRightCursor] retain];
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break;
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case wxCURSOR_SIZENS:
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cursor = [[NSCursor resizeUpDownCursor] retain];
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break;
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case wxCURSOR_SIZING:
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cursor = wxGetStockCursor(kwxCursorSize);
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break;
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case wxCURSOR_HAND:
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cursor = [[NSCursor pointingHandCursor] retain];
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break;
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case wxCURSOR_BULLSEYE:
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cursor = wxGetStockCursor(kwxCursorBullseye);
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break;
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case wxCURSOR_PENCIL:
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cursor = wxGetStockCursor(kwxCursorPencil);
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break;
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case wxCURSOR_MAGNIFIER:
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cursor = wxGetStockCursor(kwxCursorMagnifier);
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break;
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case wxCURSOR_NO_ENTRY:
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cursor = wxGetStockCursor(kwxCursorNoEntry);
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break;
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case wxCURSOR_PAINT_BRUSH:
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cursor = wxGetStockCursor(kwxCursorPaintBrush);
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break;
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case wxCURSOR_POINT_LEFT:
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cursor = wxGetStockCursor(kwxCursorPointLeft);
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break;
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case wxCURSOR_POINT_RIGHT:
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cursor = wxGetStockCursor(kwxCursorPointRight);
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break;
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case wxCURSOR_QUESTION_ARROW:
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cursor = wxGetStockCursor(kwxCursorQuestionArrow);
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break;
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case wxCURSOR_BLANK:
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cursor = wxGetStockCursor(kwxCursorBlank);
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break;
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case wxCURSOR_RIGHT_ARROW:
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cursor = wxGetStockCursor(kwxCursorRightArrow);
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break;
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case wxCURSOR_SPRAYCAN:
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cursor = wxGetStockCursor(kwxCursorRoller);
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break;
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case wxCURSOR_CHAR:
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case wxCURSOR_ARROW:
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case wxCURSOR_LEFT_BUTTON:
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case wxCURSOR_RIGHT_BUTTON:
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case wxCURSOR_MIDDLE_BUTTON:
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default:
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cursor = [[NSCursor arrowCursor] retain];
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break;
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}
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return cursor;
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}
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// C-based style wrapper routines around NSCursor
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WX_NSCursor wxMacCocoaCreateCursorFromCGImage( CGImageRef cgImageRef, float hotSpotX, float hotSpotY )
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{
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static BOOL firstTime = YES;
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if ( firstTime )
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{
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// 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
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[[[NSWindow alloc] init] release];
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firstTime = NO;
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}
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NSImage *nsImage = CreateNSImageFromCGImage( cgImageRef );
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NSCursor *cursor = [[NSCursor alloc] initWithImage:nsImage hotSpot:NSMakePoint( hotSpotX, hotSpotY )];
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[nsImage release];
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return cursor;
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}
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void wxMacCocoaSetCursor( WX_NSCursor cursor )
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{
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[cursor set];
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}
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void wxMacCocoaHideCursor()
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{
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[NSCursor hide];
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}
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void wxMacCocoaShowCursor()
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{
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[NSCursor unhide];
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}
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#endif
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