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+/* $Id$ */
+
+/******************************************************************************
+ * Cocoa video driver *
+ * Known things left to do: *
+ * List available resolutions. *
+ ******************************************************************************/
+
+#ifdef WITH_COCOA
+
+#include <AvailabilityMacros.h>
+
+#import <Cocoa/Cocoa.h>
+#import <sys/time.h> /* gettimeofday */
+#import <sys/param.h> /* for MAXPATHLEN */
+#import <unistd.h>
+
+/**
+ * Important notice regarding all modifications!!!!!!!
+ * There are certain limitations because the file is objective C++.
+ * gdb has limitations.
+ * C++ and objective C code can't be joined in all cases (classes stuff).
+ * Read http://developer.apple.com/releasenotes/Cocoa/Objective-C++.html for more information.
+ */
+
+
+/* Defined in stdbool.h */
+#ifndef __cplusplus
+# ifndef __BEOS__
+# undef bool
+# undef false
+# undef true
+# endif
+#endif
+
+
+#include "../../stdafx.h"
+#include "../../openttd.h"
+#include "../../debug.h"
+#include "../../macros.h"
+#include "../../os/macosx/splash.h"
+#include "../../variables.h"
+#include "../../gfx.h"
+#include "cocoa_v.h"
+#include "cocoa_keys.h"
+#include "../../blitter/factory.hpp"
+#include "../../fileio.h"
+
+#undef Point
+#undef Rect
+
+
+class WindowQuartzSubdriver;
+
+
+/* Subclass of NSWindow to fix genie effect and support resize events */
+@interface OTTD_QuartzWindow : NSWindow {
+ WindowQuartzSubdriver *driver;
+}
+
+- (void)setDriver:(WindowQuartzSubdriver*)drv;
+
+- (void)miniaturize:(id)sender;
+- (void)display;
+- (void)setFrame:(NSRect)frameRect display:(BOOL)flag;
+- (void)appDidHide:(NSNotification*)note;
+- (void)appWillUnhide:(NSNotification*)note;
+- (void)appDidUnhide:(NSNotification*)note;
+- (id)initWithContentRect:(NSRect)contentRect styleMask:(unsigned int)styleMask backing:(NSBackingStoreType)backingType defer:(BOOL)flag;
+@end
+
+/* Delegate for our NSWindow to send ask for quit on close */
+@interface OTTD_QuartzWindowDelegate : NSObject{
+ WindowQuartzSubdriver *driver;
+}
+
+- (void)setDriver:(WindowQuartzSubdriver*)drv;
+
+- (BOOL)windowShouldClose:(id)sender;
+@end
+
+/* Subclass of NSView to fix Quartz rendering */
+@interface OTTD_QuartzView : NSView {
+ WindowQuartzSubdriver *driver;
+}
+
+- (void)setDriver:(WindowQuartzSubdriver*)drv;
+
+- (void)drawRect:(NSRect)rect;
+- (BOOL)isOpaque;
+@end
+
+class WindowQuartzSubdriver: public CocoaSubdriver {
+ int device_width;
+ int device_height;
+
+ int window_width;
+ int window_height;
+
+ int buffer_depth;
+
+ void* pixel_buffer;
+ void* image_buffer;
+
+ OTTD_QuartzWindow *window;
+
+ #define MAX_DIRTY_RECTS 100
+ Rect dirty_rects[MAX_DIRTY_RECTS];
+ int num_dirty_rects;
+
+ uint32 palette[256];
+
+public:
+ bool active;
+ bool setup;
+
+ OTTD_QuartzView* qzview;
+ CGContextRef cgcontext;
+
+private:
+ void GetDeviceInfo();
+
+ bool SetVideoMode(int width, int height);
+
+ /**
+ * This function copies 8bpp pixels from the screen buffer in 32bpp windowed mode.
+ *
+ * @param left The x coord for the left edge of the box to blit.
+ * @param top The y coord for the top edge of the box to blit.
+ * @param right The x coord for the right edge of the box to blit.
+ * @param bottom The y coord for the bottom edge of the box to blit.
+ */
+ void BlitIndexedToView32(int left, int top, int right, int bottom);
+
+public:
+ WindowQuartzSubdriver(int bpp);
+ virtual ~WindowQuartzSubdriver();
+
+ virtual void Draw();
+ virtual void MakeDirty(int left, int top, int width, int height);
+ virtual void UpdatePalette(uint first_color, uint num_colors);
+
+ virtual uint ListModes(OTTDPoint* modes, uint max_modes);
+
+ virtual bool ChangeResolution(int w, int h);
+
+ virtual bool IsFullscreen() { return false; }
+
+ virtual int GetWidth() { return window_width; }
+ virtual int GetHeight() { return window_height; }
+ virtual void *GetPixelBuffer() { return buffer_depth == 8 ? pixel_buffer : image_buffer; }
+
+ /* Convert local coordinate to window server (CoreGraphics) coordinate */
+ virtual CGPoint PrivateLocalToCG(NSPoint* p);
+
+ virtual NSPoint GetMouseLocation(NSEvent *event);
+ virtual bool MouseIsInsideView(NSPoint *pt);
+
+ virtual bool IsActive() { return active; }
+
+
+ void SetPortAlphaOpaque();
+ bool WindowResized();
+};
+
+
+static CGColorSpaceRef QZ_GetCorrectColorSpace()
+{
+ static CGColorSpaceRef colorSpace = NULL;
+
+ if (colorSpace == NULL)
+ {
+ CMProfileRef sysProfile;
+
+ if (CMGetSystemProfile(&sysProfile) == noErr)
+ {
+ colorSpace = CGColorSpaceCreateWithPlatformColorSpace(sysProfile);
+ CMCloseProfile(sysProfile);
+ }
+
+ assert(colorSpace != NULL);
+ }
+
+ return colorSpace;
+}
+
+
+@implementation OTTD_QuartzWindow
+
+- (void)setDriver:(WindowQuartzSubdriver*)drv
+{
+ driver = drv;
+}
+
+
+/* we override these methods to fix the miniaturize animation/dock icon bug */
+- (void)miniaturize:(id)sender
+{
+ /* make the alpha channel opaque so anim won't have holes in it */
+ driver->SetPortAlphaOpaque ();
+
+ /* window is hidden now */
+ driver->active = false;
+
+ QZ_ShowMouse();
+
+ [ super miniaturize:sender ];
+}
+
+- (void)display
+{
+ /* This method fires just before the window deminaturizes from the Dock.
+ * We'll save the current visible surface, let the window manager redraw any
+ * UI elements, and restore the surface. This way, no expose event
+ * is required, and the deminiaturize works perfectly.
+ */
+
+ driver->SetPortAlphaOpaque();
+
+ /* save current visible surface */
+ [ self cacheImageInRect:[ driver->qzview frame ] ];
+
+ /* let the window manager redraw controls, border, etc */
+ [ super display ];
+
+ /* restore visible surface */
+ [ self restoreCachedImage ];
+
+ /* window is visible again */
+ driver->active = true;
+}
+
+- (void)setFrame:(NSRect)frameRect display:(BOOL)flag
+{
+ [ super setFrame:frameRect display:flag ];
+
+ /* Don't do anything if the window is currently being created */
+ if (driver->setup) return;
+
+ if (!driver->WindowResized())
+ error("Cocoa: Failed to resize window.");
+}
+
+- (void)appDidHide:(NSNotification*)note
+{
+ driver->active = false;
+}
+
+
+- (void)appWillUnhide:(NSNotification*)note
+{
+ driver->SetPortAlphaOpaque ();
+
+ /* save current visible surface */
+ [ self cacheImageInRect:[ driver->qzview frame ] ];
+}
+
+- (void)appDidUnhide:(NSNotification*)note
+{
+ /* restore cached image, since it may not be current, post expose event too */
+ [ self restoreCachedImage ];
+
+ driver->active = true;
+}
+
+
+- (id)initWithContentRect:(NSRect)contentRect styleMask:(unsigned int)styleMask backing:(NSBackingStoreType)backingType defer:(BOOL)flag
+{
+ /* Make our window subclass receive these application notifications */
+ [ [ NSNotificationCenter defaultCenter ] addObserver:self
+ selector:@selector(appDidHide:) name:NSApplicationDidHideNotification object:NSApp ];
+
+ [ [ NSNotificationCenter defaultCenter ] addObserver:self
+ selector:@selector(appDidUnhide:) name:NSApplicationDidUnhideNotification object:NSApp ];
+
+ [ [ NSNotificationCenter defaultCenter ] addObserver:self
+ selector:@selector(appWillUnhide:) name:NSApplicationWillUnhideNotification object:NSApp ];
+
+ return [ super initWithContentRect:contentRect styleMask:styleMask backing:backingType defer:flag ];
+}
+
+@end
+
+@implementation OTTD_QuartzWindowDelegate
+
+- (void)setDriver:(WindowQuartzSubdriver*)drv
+{
+ driver = drv;
+}
+
+- (BOOL)windowShouldClose:(id)sender
+{
+ HandleExitGameRequest();
+
+ return NO;
+}
+
+- (void)windowDidBecomeKey:(NSNotification*)aNotification
+{
+ driver->active = true;
+}
+
+- (void)windowDidResignKey:(NSNotification*)aNotification
+{
+ driver->active = false;
+}
+
+- (void)windowDidBecomeMain:(NSNotification*)aNotification
+{
+ driver->active = true;
+}
+
+- (void)windowDidResignMain:(NSNotification*)aNotification
+{
+ driver->active = false;
+}
+
+@end
+
+@implementation OTTD_QuartzView
+
+- (void)setDriver:(WindowQuartzSubdriver*)drv
+{
+ driver = drv;
+}
+
+
+- (BOOL)isOpaque
+{
+ return YES;
+}
+
+- (void)drawRect:(NSRect)invalidRect
+{
+ CGImageRef fullImage;
+ CGImageRef clippedImage;
+ NSRect rect;
+ const NSRect* dirtyRects;
+ int dirtyRectCount;
+ int n;
+ CGRect clipRect;
+ CGRect blitRect;
+ uint32 blitArea = 0;
+ NSRect frameRect = [ self frame ];
+ CGContextRef viewContext = (CGContextRef)[ [ NSGraphicsContext currentContext ] graphicsPort ];
+
+ if (driver->cgcontext == NULL) return;
+
+ CGContextSetShouldAntialias(viewContext, FALSE);
+ CGContextSetInterpolationQuality(viewContext, kCGInterpolationNone);
+
+ /* The obtained 'rect' is actually a union of all dirty rects, let's ask for an explicit list of rects instead */
+ [ self getRectsBeingDrawn:&dirtyRects count:&dirtyRectCount ];
+
+ /* We need an Image in order to do blitting, but as we don't touch the context between this call and drawing no copying will actually be done here */
+ fullImage = CGBitmapContextCreateImage(driver->cgcontext);
+
+ /* Calculate total area we are blitting */
+ for (n = 0; n < dirtyRectCount; n++) {
+ blitArea += dirtyRects[n].size.width * dirtyRects[n].size.height;
+ }
+
+ /*
+ * This might be completely stupid, but in my extremely subjective opinion it feels faster
+ * The point is, if we're blitting less than 50% of the dirty rect union then it's still a good idea to blit each dirty
+ * rect separately but if we blit more than that, it's just cheaper to blit the entire union in one pass.
+ * Feel free to remove or find an even better value than 50% ... / blackis
+ */
+ if (blitArea / (float)(invalidRect.size.width * invalidRect.size.height) > 0.5f) {
+ rect = invalidRect;
+
+ blitRect.origin.x = rect.origin.x;
+ blitRect.origin.y = rect.origin.y;
+ blitRect.size.width = rect.size.width;
+ blitRect.size.height = rect.size.height;
+
+ clipRect.origin.x = rect.origin.x;
+ clipRect.origin.y = frameRect.size.height - rect.origin.y - rect.size.height;
+
+ clipRect.size.width = rect.size.width;
+ clipRect.size.height = rect.size.height;
+
+ /* Blit dirty part of image */
+ clippedImage = CGImageCreateWithImageInRect(fullImage, clipRect);
+ CGContextDrawImage(viewContext, blitRect, clippedImage);
+ CGImageRelease(clippedImage);
+ } else {
+ for (n = 0; n < dirtyRectCount; n++) {
+ rect = dirtyRects[n];
+
+ blitRect.origin.x = rect.origin.x;
+ blitRect.origin.y = rect.origin.y;
+ blitRect.size.width = rect.size.width;
+ blitRect.size.height = rect.size.height;
+
+ clipRect.origin.x = rect.origin.x;
+ clipRect.origin.y = frameRect.size.height - rect.origin.y - rect.size.height;
+
+ clipRect.size.width = rect.size.width;
+ clipRect.size.height = rect.size.height;
+
+ /* Blit dirty part of image */
+ clippedImage = CGImageCreateWithImageInRect(fullImage, clipRect);
+ CGContextDrawImage(viewContext, blitRect, clippedImage);
+ CGImageRelease(clippedImage);
+ }
+ }
+
+ CGImageRelease(fullImage);
+}
+
+@end
+
+
+extern const char _openttd_revision[];
+
+
+void WindowQuartzSubdriver::GetDeviceInfo()
+{
+ CFDictionaryRef cur_mode;
+
+ /* Initialize the video settings; this data persists between mode switches */
+ cur_mode = CGDisplayCurrentMode(kCGDirectMainDisplay);
+
+ /* Gather some information that is useful to know about the display */
+ CFNumberGetValue(
+ (const __CFNumber*)CFDictionaryGetValue(cur_mode, kCGDisplayWidth),
+ kCFNumberSInt32Type, &device_width
+ );
+
+ CFNumberGetValue(
+ (const __CFNumber*)CFDictionaryGetValue(cur_mode, kCGDisplayHeight),
+ kCFNumberSInt32Type, &device_height
+ );
+}
+
+bool WindowQuartzSubdriver::SetVideoMode(int width, int height)
+{
+ char caption[50];
+ NSString *nsscaption;
+ unsigned int style;
+ NSRect contentRect;
+ BOOL isCustom = NO;
+ bool ret;
+
+ setup = true;
+
+ GetDeviceInfo();
+
+ if (width > device_width)
+ width = device_width;
+ if (height > device_height)
+ height = device_height;
+
+ contentRect = NSMakeRect(0, 0, width, height);
+
+ /* Check if we should recreate the window */
+ if (window == nil) {
+ OTTD_QuartzWindowDelegate *delegate;
+
+ /* Set the window style */
+ style = NSTitledWindowMask;
+ style |= (NSMiniaturizableWindowMask | NSClosableWindowMask);
+ style |= NSResizableWindowMask;
+
+ /* Manually create a window, avoids having a nib file resource */
+ window = [ [ OTTD_QuartzWindow alloc ]
+ initWithContentRect: contentRect
+ styleMask: style
+ backing: NSBackingStoreBuffered
+ defer: NO ];
+
+ if (window == nil) {
+ DEBUG(driver, 0, "Could not create the Cocoa window.");
+ setup = false;
+ return false;
+ }
+
+ [ window setDriver:this ];
+
+ snprintf(caption, sizeof(caption), "OpenTTD %s", _openttd_revision);
+ nsscaption = [ [ NSString alloc ] initWithCString:caption ];
+ [ window setTitle: nsscaption ];
+ [ window setMiniwindowTitle: nsscaption ];
+ [ nsscaption release ];
+
+ [ window setAcceptsMouseMovedEvents: YES ];
+ [ window setViewsNeedDisplay: NO ];
+
+ [ window useOptimizedDrawing: YES ];
+
+ delegate = [ [ OTTD_QuartzWindowDelegate alloc ] init ];
+ [ delegate setDriver: this ];
+ [ window setDelegate: [ delegate autorelease ] ];
+ } else {
+ /* We already have a window, just change its size */
+ if (!isCustom) {
+ [ window setContentSize: contentRect.size ];
+
+ // Ensure frame height - title bar height >= view height
+ contentRect.size.height = Clamp(height, 0, [ window frame ].size.height - 22 /* 22 is the height of title bar of window*/);
+
+ if (qzview != nil) {
+ height = contentRect.size.height;
+ [ qzview setFrameSize: contentRect.size ];
+ }
+ }
+ }
+
+ window_width = width;
+ window_height = height;
+
+ [ window center ];
+
+ /* Only recreate the view if it doesn't already exist */
+ if (qzview == nil) {
+ qzview = [ [ OTTD_QuartzView alloc ] initWithFrame: contentRect ];
+ if (qzview == nil) {
+ DEBUG(driver, 0, "Could not create the Quickdraw view.");
+ setup = false;
+ return false;
+ }
+
+ [ qzview setDriver: this ];
+
+ [ qzview setAutoresizingMask: NSViewWidthSizable | NSViewHeightSizable ];
+ [ window setContentView: qzview ];
+ [ qzview release ];
+ [ window makeKeyAndOrderFront:nil ];
+ }
+
+ ret = WindowResized();
+
+ UpdatePalette(0, 256);
+
+ setup = false;
+
+ return ret;
+}
+
+void WindowQuartzSubdriver::BlitIndexedToView32(int left, int top, int right, int bottom)
+{
+ const uint32* pal = palette;
+ const uint8* src = (uint8*)pixel_buffer;
+ uint32* dst = (uint32*)image_buffer;
+ uint width = window_width;
+ uint pitch = window_width;
+ int x;
+ int y;
+
+ for (y = top; y < bottom; y++) {
+ for (x = left; x < right; x++) {
+ dst[y * pitch + x] = pal[src[y * width + x]];
+ }
+ }
+}
+
+
+WindowQuartzSubdriver::WindowQuartzSubdriver(int bpp)
+{
+ window_width = 0;
+ window_height = 0;
+ buffer_depth = bpp;
+ image_buffer = NULL;
+ pixel_buffer = NULL;
+ active = false;
+ setup = false;
+
+ window = nil;
+ qzview = nil;
+
+ cgcontext = NULL;
+
+ num_dirty_rects = MAX_DIRTY_RECTS;
+}
+
+WindowQuartzSubdriver::~WindowQuartzSubdriver()
+{
+ QZ_ShowMouse();
+
+ /* Release window mode resources */
+ if (window != nil) [ window close ];
+
+ CGContextRelease(cgcontext);
+
+ free(image_buffer);
+ free(pixel_buffer);
+}
+
+void WindowQuartzSubdriver::Draw()
+{
+ int i;
+ NSRect dirtyrect;
+
+ /* Check if we need to do anything */
+ if (num_dirty_rects == 0 ||
+ [ window isMiniaturized ]) {
+ return;
+ }
+
+ if (num_dirty_rects >= MAX_DIRTY_RECTS) {
+ num_dirty_rects = 1;
+ dirty_rects[0].left = 0;
+ dirty_rects[0].top = 0;
+ dirty_rects[0].right = window_width;
+ dirty_rects[0].bottom = window_height;
+ }
+
+ /* Build the region of dirty rectangles */
+ for (i = 0; i < num_dirty_rects; i++) {
+ /* We only need to blit in indexed mode since in 32bpp mode the game draws directly to the image. */
+ if(buffer_depth == 8) {
+ BlitIndexedToView32(
+ dirty_rects[i].left,
+ dirty_rects[i].top,
+ dirty_rects[i].right,
+ dirty_rects[i].bottom
+ );
+ }
+
+ dirtyrect.origin.x = dirty_rects[i].left;
+ dirtyrect.origin.y = window_height - dirty_rects[i].bottom;
+ dirtyrect.size.width = dirty_rects[i].right - dirty_rects[i].left;
+ dirtyrect.size.height = dirty_rects[i].bottom - dirty_rects[i].top;
+
+ /* drawRect will be automatically called by Mac OS X during next update cycle, and then blitting will occur */
+ [ qzview setNeedsDisplayInRect: dirtyrect ];
+ }
+
+ //DrawResizeIcon();
+
+ num_dirty_rects = 0;
+}
+
+void WindowQuartzSubdriver::MakeDirty(int left, int top, int width, int height)
+{
+ if (num_dirty_rects < MAX_DIRTY_RECTS) {
+ dirty_rects[num_dirty_rects].left = left;
+ dirty_rects[num_dirty_rects].top = top;
+ dirty_rects[num_dirty_rects].right = left + width;
+ dirty_rects[num_dirty_rects].bottom = top + height;
+ }
+ num_dirty_rects++;
+}
+
+void WindowQuartzSubdriver::UpdatePalette(uint first_color, uint num_colors)
+{
+ uint i;
+
+ if (buffer_depth != 8)
+ return;
+
+ for (i = first_color; i < first_color + num_colors; i++) {
+ uint32 clr = 0xff000000;
+ clr |= (uint32)_cur_palette[i].r << 16;
+ clr |= (uint32)_cur_palette[i].g << 8;
+ clr |= (uint32)_cur_palette[i].b;
+ palette[i] = clr;
+ }
+
+ num_dirty_rects = MAX_DIRTY_RECTS;
+}
+
+uint WindowQuartzSubdriver::ListModes(OTTDPoint* modes, uint max_modes)
+{
+ if (max_modes == 0) return 0;
+
+ modes[0].x = window_width;
+ modes[0].y = window_height;
+
+ return 1;
+}
+
+bool WindowQuartzSubdriver::ChangeResolution(int w, int h)
+{
+ int old_width = window_width;
+ int old_height = window_height;
+
+ if (SetVideoMode(w, h))
+ return true;
+
+ if (old_width != 0 && old_height != 0)
+ SetVideoMode(old_width, old_height);
+
+ return false;
+}
+
+/* Convert local coordinate to window server (CoreGraphics) coordinate */
+CGPoint WindowQuartzSubdriver::PrivateLocalToCG(NSPoint* p)
+{
+ CGPoint cgp;
+
+ *p = [ qzview convertPoint:*p toView: nil ];
+ *p = [ window convertBaseToScreen:*p ];
+ p->y = window_height - p->y;
+
+ cgp.x = p->x;
+ cgp.y = p->y;
+
+ return cgp;
+}
+
+NSPoint WindowQuartzSubdriver::GetMouseLocation(NSEvent *event)
+{
+ NSPoint pt;
+
+ pt = [ event locationInWindow ];
+ pt = [ qzview convertPoint:pt fromView:nil ];
+
+ pt.y = window_height - pt.y;
+
+ return pt;
+}
+
+bool WindowQuartzSubdriver::MouseIsInsideView(NSPoint *pt)
+{
+ return [ qzview mouse:*pt inRect:[ qzview bounds ] ];
+}
+
+
+/* This function makes the *game region* of the window 100% opaque.
+ * The genie effect uses the alpha component. Otherwise,
+ * it doesn't seem to matter what value it has.
+ */
+void WindowQuartzSubdriver::SetPortAlphaOpaque()
+{
+ uint32* pixels = (uint32*)image_buffer;
+ uint32 pitch = window_width;
+ int x, y;
+
+ for (y = 0; y < window_height; y++)
+ for (x = 0; x < window_width; x++) {
+ pixels[y * pitch + x] |= 0xFF000000;
+ }
+}
+
+bool WindowQuartzSubdriver::WindowResized()
+{
+ if (window == nil || qzview == nil) return true;
+
+ NSRect newframe = [ qzview frame ];
+
+ window_width = newframe.size.width;
+ window_height = newframe.size.height;
+
+ /* Create Core Graphics Context */
+ free(image_buffer);
+ image_buffer = (uint32*)malloc(window_width * window_height * 4);
+
+ CGContextRelease(cgcontext);
+ cgcontext = CGBitmapContextCreate(
+ image_buffer, // data
+ window_width, // width
+ window_height, // height
+ 8, // bits per component
+ window_width * 4, // bytes per row
+ QZ_GetCorrectColorSpace(), // color space
+ kCGImageAlphaNoneSkipFirst | kCGBitmapByteOrder32Host
+ );
+
+ assert(cgcontext != NULL);
+ CGContextSetShouldAntialias(cgcontext, FALSE);
+ CGContextSetAllowsAntialiasing(cgcontext, FALSE);
+ CGContextSetInterpolationQuality(cgcontext, kCGInterpolationNone);
+
+ if (buffer_depth == 8) {
+ free(pixel_buffer);
+ pixel_buffer = malloc(window_width * window_height);
+ if (pixel_buffer == NULL) {
+ DEBUG(driver, 0, "Failed to allocate pixel buffer");
+ return false;
+ }
+ }
+
+ QZ_GameSizeChanged();
+
+ /* Redraw screen */
+ num_dirty_rects = MAX_DIRTY_RECTS;
+
+ return true;
+}
+
+
+CocoaSubdriver *QZ_CreateWindowQuartzSubdriver(int width, int height, int bpp)
+{
+ WindowQuartzSubdriver *ret;
+
+ if (bpp != 8 && bpp != 32) {
+ DEBUG(driver, 0, "The cocoa quartz subdriver only supports 8 and 32 bpp.");
+ return NULL;
+ }
+
+ ret = new WindowQuartzSubdriver(bpp);
+
+ if (!ret->ChangeResolution(width, height)) {
+ delete ret;
+ return NULL;
+ }
+
+ return ret;
+}
+
+#endif /* WITH_COCOA */