dwindows: mac/dw.m comparison

comparison mac/dw.m @ 650:55b677d460e9

Added initial support for a MacOS Cocoa port.

author	bsmith@81767d24-ef19-dc11-ae90-00e081727c95
date	Tue, 22 Feb 2011 17:15:15 +0000
parents
children	270580896dac

comparison

equal deleted inserted replaced

-:3e2ada9ee0ac
+:55b677d460e9
+/*
+* Dynamic Windows:
+*          A GTK like implementation of the MacOS GUI using Cocoa
+*
+* (C) 2011 Brian Smith <brian@dbsoft.org>
+*
+* Using garbage collection so requires 10.5 or later.
+* clang -std=c99 -g -o dwtest -D__MAC__ -I. mac/dw.m -framework Cocoa -fobjc-gc-only
+*/
+#import <Cocoa/Cocoa.h>
+#import <WebKit/WebKit.h>
+#include "dw.h"
+#include <sys/utsname.h>
+#include <sys/socket.h>
+#include <sys/un.h>
+#include <sys/mman.h>
+#include <sys/time.h>
+#include <sys/stat.h>
+static void _do_resize(Box *thisbox, int x, int y);
+/* So basically to implement our event handlers...
+* it looks like we are going to have to subclass
+* basically everything.  Was hoping to add methods
+* to the superclasses but it looks like you can
+* only add methods and no variables, which isn't
+* going to work. -Brian
+*/
+/* Subclass for a box type */
+@interface DWBox : NSView
+{
+	Box box;
+	void *userdata;
+	NSColor *bgcolor;
+}
+-(Box)box;
+-(void *)userdata;
+-(void)setBox:(Box)input;
+-(void)setUserdata:(void *)input;
+-(void)drawRect:(NSRect)rect;
+@end
+@implementation DWBox
+-(Box)box { return box; }
+-(void *)userdata { return userdata; }
+-(void)setBox:(Box)input { box = input; }
+-(void)setUserdata:(void *)input { userdata = input; }
+-(void)drawRect:(NSRect)rect
+{
+	if(bgcolor)
+	{
+		[bgcolor set];
+		NSRectFill( [self bounds] );
+	}
+}
+@end
+/* Subclass for a top-level window */
+@interface DWView : DWBox  { }
+@end
+@implementation DWView
+-(void)windowWillClose:(NSNotification *)note
+{
+[[NSApplication sharedApplication] terminate:self];
+}
+- (void)viewDidMoveToWindow
+{
+	[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(windowResized:) name:NSWindowDidResizeNotification object:[self window]];
+}
+- (void)dealloc
+{
+[[NSNotificationCenter defaultCenter] removeObserver:self];
+[super dealloc];
+}
+- (void)windowResized:(NSNotification *)notification;
+{
+NSSize size = [self frame].size;
+		_do_resize(&box, size.width, size.height);
+}
+@end
+/* Subclass for a button type */
+@interface DWButton : NSButton
+{
+	void *userdata;
+}
+-(void *)userdata;
+-(void)setUserdata:(void *)input;
+@end
+@implementation DWButton
+-(void *)userdata { return userdata; }
+-(void)setUserdata:(void *)input { userdata = input; }
+@end
+/* Subclass for a progress type */
+@interface DWPercent : NSProgressIndicator
+{
+	void *userdata;
+}
+-(void *)userdata;
+-(void)setUserdata:(void *)input;
+@end
+@implementation DWPercent
+-(void *)userdata { return userdata; }
+-(void)setUserdata:(void *)input { userdata = input; }
+@end
+NSApplication *DWApp;
+NSRunLoop *DWRunLoop;
+typedef struct _sighandler
+{
+	struct _sighandler   *next;
+	ULONG message;
+	HWND window;
+	int id;
+	void *signalfunction;
+	void *data;
+} SignalHandler;
+SignalHandler *Root = NULL;
+typedef struct
+{
+	ULONG message;
+	char name[30];
+} SignalList;
+/* List of signals */
+#define SIGNALMAX 16
+SignalList SignalTranslate[SIGNALMAX] = {
+	{ 1,	DW_SIGNAL_CONFIGURE },
+	{ 2,	DW_SIGNAL_KEY_PRESS },
+	{ 3,	DW_SIGNAL_BUTTON_PRESS },
+	{ 4,	DW_SIGNAL_BUTTON_RELEASE },
+	{ 5,	DW_SIGNAL_MOTION_NOTIFY },
+	{ 6,	DW_SIGNAL_DELETE },
+	{ 7,	DW_SIGNAL_EXPOSE },
+	{ 8,	DW_SIGNAL_CLICKED },
+	{ 9,	DW_SIGNAL_ITEM_ENTER },
+	{ 10,	DW_SIGNAL_ITEM_CONTEXT },
+	{ 11,	DW_SIGNAL_LIST_SELECT },
+	{ 12,	DW_SIGNAL_ITEM_SELECT },
+	{ 13,	DW_SIGNAL_SET_FOCUS },
+	{ 14,	DW_SIGNAL_VALUE_CHANGED },
+	{ 15,	DW_SIGNAL_SWITCH_PAGE },
+	{ 16,	DW_SIGNAL_TREE_EXPAND }
+};
+/* This function adds a signal handler callback into the linked list.
+*/
+void _new_signal(ULONG message, HWND window, int id, void *signalfunction, void *data)
+{
+	SignalHandler *new = malloc(sizeof(SignalHandler));
+	new->message = message;
+	new->window = window;
+	new->id = id;
+	new->signalfunction = signalfunction;
+	new->data = data;
+	new->next = NULL;
+	if (!Root)
+		Root = new;
+	else
+	{
+		SignalHandler *prev = NULL, *tmp = Root;
+		while(tmp)
+		{
+			if(tmp->message == message &&
+			   tmp->window == window &&
+			   tmp->id == id &&
+			   tmp->signalfunction == signalfunction)
+			{
+				tmp->data = data;
+				free(new);
+				return;
+			}
+			prev = tmp;
+			tmp = tmp->next;
+		}
+		if(prev)
+			prev->next = new;
+		else
+			Root = new;
+	}
+}
+/* Finds the message number for a given signal name */
+ULONG _findsigmessage(char *signame)
+{
+	int z;
+	for(z=0;z<SIGNALMAX;z++)
+	{
+		if(strcasecmp(signame, SignalTranslate[z].name) == 0)
+			return SignalTranslate[z].message;
+	}
+	return 0L;
+}
+unsigned long _foreground = 0xAAAAAA, _background = 0;
+/* This function will recursively search a box and add up the total height of it */
+static void _count_size(HWND thisbox, int type, int *xsize, int *xorigsize)
+{
+int size = 0, origsize = 0, z;
+DWBox *box = thisbox;
+Box _tmp = [box box];
+Box *tmp = &_tmp;
+if(!tmp)
+{
+*xsize = *xorigsize = 0;
+return;
+}
+if(type == tmp->type)
+{
+/* If the box is going in the direction we want, then we
+* return the entire sum of the items.
+*/
+for(z=0;z<tmp->count;z++)
+{
+if(tmp->items[z].type == TYPEBOX)
+{
+int s, os;
+_count_size(tmp->items[z].hwnd, type, &s, &os);
+size += s;
+origsize += os;
+}
+else
+{
+size += (type == DW_HORZ ? tmp->items[z].width : tmp->items[z].height);
+origsize += (type == DW_HORZ ? tmp->items[z].origwidth : tmp->items[z].origheight);
+}
+}
+}
+else
+{
+/* If the box is not going in the direction we want, then we only
+* want to return the maximum value.
+*/
+int tmpsize = 0, tmporigsize = 0;
+for(z=0;z<tmp->count;z++)
+{
+if(tmp->items[z].type == TYPEBOX)
+_count_size(tmp->items[z].hwnd, type, &tmpsize, &tmporigsize);
+else
+{
+tmpsize = (type == DW_HORZ ? tmp->items[z].width : tmp->items[z].height);
+tmporigsize = (type == DW_HORZ ? tmp->items[z].origwidth : tmp->items[z].origheight);
+}
+if(tmpsize > size)
+size = tmpsize;
+}
+}
+*xsize = size;
+*xorigsize = origsize;
+}
+/* This function calculates how much space the widgets and boxes require
+* and does expansion as necessary.
+*/
+static int _resize_box(Box *thisbox, int *depth, int x, int y, int *usedx, int *usedy,
+int pass, int *usedpadx, int *usedpady)
+{
+int z, currentx = 0, currenty = 0;
+int uymax = 0, uxmax = 0;
+int upymax = 0, upxmax = 0;
+/* Used for the SIZEEXPAND */
+int nux = *usedx, nuy = *usedy;
+int nupx = *usedpadx, nupy = *usedpady;
+(*usedx) += (thisbox->pad * 2);
+(*usedy) += (thisbox->pad * 2);
+for(z=0;z<thisbox->count;z++)
+{
+if(thisbox->items[z].type == TYPEBOX)
+{
+		int initialx, initialy;
+		DWBox *box = thisbox->items[z].hwnd;
+		Box _tmp = [box box];
+		Box *tmp = &_tmp;
+initialx = x - (*usedx);
+initialy = y - (*usedy);
+if(tmp)
+{
+int newx, newy;
+int nux = *usedx, nuy = *usedy;
+int upx = *usedpadx + (tmp->pad*2), upy = *usedpady + (tmp->pad*2);
+/* On the second pass we know how big the box needs to be and how
+* much space we have, so we can calculate a ratio for the new box.
+*/
+if(pass == 2)
+{
+int deep = *depth + 1;
+_resize_box(tmp, &deep, x, y, &nux, &nuy, 1, &upx, &upy);
+tmp->upx = upx - *usedpadx;
+tmp->upy = upy - *usedpady;
+newx = x - nux;
+newy = y - nuy;
+tmp->width = thisbox->items[z].width = initialx - newx;
+tmp->height = thisbox->items[z].height = initialy - newy;
+tmp->parentxratio = thisbox->xratio;
+tmp->parentyratio = thisbox->yratio;
+tmp->parentpad = tmp->pad;
+/* Just in case */
+tmp->xratio = thisbox->xratio;
+tmp->yratio = thisbox->yratio;
+if(thisbox->type == DW_VERT)
+{
+if((thisbox->items[z].width-((thisbox->items[z].pad*2)+(tmp->pad*2)))!=0)
+tmp->xratio = ((float)((thisbox->items[z].width * thisbox->xratio)-((thisbox->items[z].pad*2)+(tmp->pad*2))))/((float)(thisbox->items[z].width-((thisbox->items[z].pad*2)+(tmp->pad*2))));
+}
+else
+{
+if((thisbox->items[z].width-tmp->upx)!=0)
+tmp->xratio = ((float)((thisbox->items[z].width * thisbox->xratio)-tmp->upx))/((float)(thisbox->items[z].width-tmp->upx));
+}
+if(thisbox->type == DW_HORZ)
+{
+if((thisbox->items[z].height-((thisbox->items[z].pad*2)+(tmp->pad*2)))!=0)
+tmp->yratio = ((float)((thisbox->items[z].height * thisbox->yratio)-((thisbox->items[z].pad*2)+(tmp->pad*2))))/((float)(thisbox->items[z].height-((thisbox->items[z].pad*2)+(tmp->pad*2))));
+}
+else
+{
+if((thisbox->items[z].height-tmp->upy)!=0)
+tmp->yratio = ((float)((thisbox->items[z].height * thisbox->yratio)-tmp->upy))/((float)(thisbox->items[z].height-tmp->upy));
+}
+nux = *usedx; nuy = *usedy;
+upx = *usedpadx + (tmp->pad*2); upy = *usedpady + (tmp->pad*2);
+}
+			[box setBox:_tmp];
+(*depth)++;
+_resize_box(tmp, depth, x, y, &nux, &nuy, pass, &upx, &upy);
+(*depth)--;
+newx = x - nux;
+newy = y - nuy;
+tmp->minwidth = thisbox->items[z].width = initialx - newx;
+tmp->minheight = thisbox->items[z].height = initialy - newy;
+			[box setBox:_tmp];
+}
+}
+if(pass > 1 && *depth > 0)
+{
+if(thisbox->type == DW_VERT)
+{
+if((thisbox->minwidth-((thisbox->items[z].pad*2)+(thisbox->parentpad*2))) == 0)
+thisbox->items[z].xratio = 1.0;
+else
+thisbox->items[z].xratio = ((float)((thisbox->width * thisbox->parentxratio)-((thisbox->items[z].pad*2)+(thisbox->parentpad*2))))/((float)(thisbox->minwidth-((thisbox->items[z].pad*2)+(thisbox->parentpad*2))));
+}
+else
+{
+if(thisbox->minwidth-thisbox->upx == 0)
+thisbox->items[z].xratio = 1.0;
+else
+thisbox->items[z].xratio = ((float)((thisbox->width * thisbox->parentxratio)-thisbox->upx))/((float)(thisbox->minwidth-thisbox->upx));
+}
+if(thisbox->type == DW_HORZ)
+{
+if((thisbox->minheight-((thisbox->items[z].pad*2)+(thisbox->parentpad*2))) == 0)
+thisbox->items[z].yratio = 1.0;
+else
+thisbox->items[z].yratio = ((float)((thisbox->height * thisbox->parentyratio)-((thisbox->items[z].pad*2)+(thisbox->parentpad*2))))/((float)(thisbox->minheight-((thisbox->items[z].pad*2)+(thisbox->parentpad*2))));
+}
+else
+{
+if(thisbox->minheight-thisbox->upy == 0)
+thisbox->items[z].yratio = 1.0;
+else
+thisbox->items[z].yratio = ((float)((thisbox->height * thisbox->parentyratio)-thisbox->upy))/((float)(thisbox->minheight-thisbox->upy));
+}
+if(thisbox->items[z].type == TYPEBOX)
+{
+			DWBox *box = thisbox->items[z].hwnd;
+			Box _tmp = [box box];
+			Box *tmp = &_tmp;
+if(tmp)
+{
+tmp->parentxratio = thisbox->items[z].xratio;
+tmp->parentyratio = thisbox->items[z].yratio;
+}
+			[box setBox:_tmp];
+}
+}
+else
+{
+thisbox->items[z].xratio = thisbox->xratio;
+thisbox->items[z].yratio = thisbox->yratio;
+}
+if(thisbox->type == DW_VERT)
+{
+if((thisbox->items[z].width + (thisbox->items[z].pad*2)) > uxmax)
+uxmax = (thisbox->items[z].width + (thisbox->items[z].pad*2));
+if(thisbox->items[z].hsize != SIZEEXPAND)
+{
+if(((thisbox->items[z].pad*2) + thisbox->items[z].width) > upxmax)
+upxmax = (thisbox->items[z].pad*2) + thisbox->items[z].width;
+}
+else
+{
+if(thisbox->items[z].pad*2 > upxmax)
+upxmax = thisbox->items[z].pad*2;
+}
+}
+else
+{
+if(thisbox->items[z].width == -1)
+{
+/* figure out how much space this item requires */
+/* thisbox->items[z].width = */
+}
+else
+{
+(*usedx) += thisbox->items[z].width + (thisbox->items[z].pad*2);
+if(thisbox->items[z].hsize != SIZEEXPAND)
+(*usedpadx) += (thisbox->items[z].pad*2) + thisbox->items[z].width;
+else
+(*usedpadx) += thisbox->items[z].pad*2;
+}
+}
+if(thisbox->type == DW_HORZ)
+{
+if((thisbox->items[z].height + (thisbox->items[z].pad*2)) > uymax)
+uymax = (thisbox->items[z].height + (thisbox->items[z].pad*2));
+if(thisbox->items[z].vsize != SIZEEXPAND)
+{
+if(((thisbox->items[z].pad*2) + thisbox->items[z].height) > upymax)
+upymax = (thisbox->items[z].pad*2) + thisbox->items[z].height;
+}
+else
+{
+if(thisbox->items[z].pad*2 > upymax)
+upymax = thisbox->items[z].pad*2;
+}
+}
+else
+{
+if(thisbox->items[z].height == -1)
+{
+/* figure out how much space this item requires */
+/* thisbox->items[z].height = */
+}
+else
+{
+(*usedy) += thisbox->items[z].height + (thisbox->items[z].pad*2);
+if(thisbox->items[z].vsize != SIZEEXPAND)
+(*usedpady) += (thisbox->items[z].pad*2) + thisbox->items[z].height;
+else
+(*usedpady) += thisbox->items[z].pad*2;
+}
+}
+}
+(*usedx) += uxmax;
+(*usedy) += uymax;
+(*usedpadx) += upxmax;
+(*usedpady) += upymax;
+currentx += thisbox->pad;
+currenty += thisbox->pad;
+/* The second pass is for expansion and actual placement. */
+if(pass > 1)
+{
+/* Any SIZEEXPAND items should be set to uxmax/uymax */
+for(z=0;z<thisbox->count;z++)
+{
+if(thisbox->items[z].hsize == SIZEEXPAND && thisbox->type == DW_VERT)
+thisbox->items[z].width = uxmax-(thisbox->items[z].pad*2);
+if(thisbox->items[z].vsize == SIZEEXPAND && thisbox->type == DW_HORZ)
+thisbox->items[z].height = uymax-(thisbox->items[z].pad*2);
+/* Run this code segment again to finalize the sized after setting uxmax/uymax values. */
+if(thisbox->items[z].type == TYPEBOX)
+{
+			DWBox *box = thisbox->items[z].hwnd;
+			Box _tmp = [box box];
+			Box *tmp = &_tmp;
+if(tmp)
+{
+if(*depth > 0)
+{
+float calcval;
+if(thisbox->type == DW_VERT)
+{
+calcval = (float)(tmp->minwidth-((thisbox->items[z].pad*2)+(thisbox->pad*2)));
+if(calcval == 0.0)
+tmp->xratio = thisbox->xratio;
+else
+tmp->xratio = ((float)((thisbox->items[z].width * thisbox->xratio)-((thisbox->items[z].pad*2)+(thisbox->pad*2))))/calcval;
+tmp->width = thisbox->items[z].width;
+}
+if(thisbox->type == DW_HORZ)
+{
+calcval = (float)(tmp->minheight-((thisbox->items[z].pad*2)+(thisbox->pad*2)));
+if(calcval == 0.0)
+tmp->yratio = thisbox->yratio;
+else
+tmp->yratio = ((float)((thisbox->items[z].height * thisbox->yratio)-((thisbox->items[z].pad*2)+(thisbox->pad*2))))/calcval;
+tmp->height = thisbox->items[z].height;
+}
+}
+			   [box setBox:_tmp];
+(*depth)++;
+_resize_box(tmp, depth, x, y, &nux, &nuy, 3, &nupx, &nupy);
+(*depth)--;
+}
+}
+}
+for(z=0;z<(thisbox->count);z++)
+{
+int height = thisbox->items[z].height;
+int width = thisbox->items[z].width;
+int pad = thisbox->items[z].pad;
+NSView *handle = thisbox->items[z].hwnd;
+		 NSPoint point;
+		 NSSize size;
+int vectorx, vectory;
+/* When upxmax != pad*2 then ratios are incorrect. */
+vectorx = (int)((width*thisbox->items[z].xratio)-width);
+vectory = (int)((height*thisbox->items[z].yratio)-height);
+if(width > 0 && height > 0)
+{
+/* This is a hack to fix rounding of the sizing */
+if(*depth == 0)
+{
+vectorx++;
+vectory++;
+}
+/* If this item isn't going to expand... reset the vectors to 0 */
+if(thisbox->items[z].vsize != SIZEEXPAND)
+vectory = 0;
+if(thisbox->items[z].hsize != SIZEEXPAND)
+vectorx = 0;
+			point.x = currentx + pad;
+			point.y = currenty + pad;
+			size.width = width + vectorx;
+			size.height = height + vectory;
+			[handle setFrameOrigin:point];
+			[handle setFrameSize:size];
+if(thisbox->type == DW_HORZ)
+currentx += width + vectorx + (pad * 2);
+if(thisbox->type == DW_VERT)
+currenty += height + vectory + (pad * 2);
+}
+}
+}
+return 0;
+}
+static void _do_resize(Box *thisbox, int x, int y)
+{
+if(x != 0 && y != 0)
+{
+if(thisbox)
+{
+int usedx = 0, usedy = 0, usedpadx = 0, usedpady = 0, depth = 0;
+_resize_box(thisbox, &depth, x, y, &usedx, &usedy, 1, &usedpadx, &usedpady);
+if(usedx-usedpadx == 0 || usedy-usedpady == 0)
+return;
+thisbox->xratio = ((float)(x-usedpadx))/((float)(usedx-usedpadx));
+thisbox->yratio = ((float)(y-usedpady))/((float)(usedy-usedpady));
+usedx = usedy = usedpadx = usedpady = depth = 0;
+_resize_box(thisbox, &depth, x, y, &usedx, &usedy, 2, &usedpadx, &usedpady);
+}
+}
+}
+static void _changebox(Box *thisbox, int percent, int type)
+{
+int z;
+for(z=0;z<thisbox->count;z++)
+{
+if(thisbox->items[z].type == TYPEBOX)
+{
+		 DWBox *box = thisbox->items[z].hwnd;
+		 Box _tmp = [box box];
+		 Box *tmp = &_tmp;
+_changebox(tmp, percent, type);
+		 [box setBox:_tmp];
+}
+else
+{
+if(type == DW_HORZ)
+{
+if(thisbox->items[z].hsize == SIZEEXPAND)
+thisbox->items[z].width = (int)(((float)thisbox->items[z].origwidth) * (((float)percent)/((float)100.0)));
+}
+else
+{
+if(thisbox->items[z].vsize == SIZEEXPAND)
+thisbox->items[z].height = (int)(((float)thisbox->items[z].origheight) * (((float)percent)/((float)100.0)));
+}
+}
+}
+}
+/*
+* Initializes the Dynamic Windows engine.
+* Parameters:
+*           newthread: True if this is the only thread.
+*                      False if there is already a message loop running.
+*/
+int API dw_init(int newthread, int argc, char *argv[])
+{
+	/* Create the application object */
+	DWApp = [NSApplication sharedApplication];
+	/* Create a run loop for doing manual loops */
+	DWRunLoop = [NSRunLoop alloc];
+	/* This only works on 10.6 so we have a backup method */
+	NSString * applicationName = [[NSRunningApplication currentApplication] localizedName];
+	if(applicationName == nil)
+	{
+		applicationName = [[NSProcessInfo processInfo] processName];
+	}
+	/* Create the main menu */
+	NSMenu * mainMenu = [[[NSMenu alloc] initWithTitle:@"MainMenu"] autorelease];
+	NSMenuItem * mitem = [mainMenu addItemWithTitle:@"Apple" action:NULL keyEquivalent:@""];
+	NSMenu * menu = [[[NSMenu alloc] initWithTitle:@"Apple"] autorelease];
+	[DWApp setMainMenu:mainMenu];
+	[DWApp performSelector:@selector(setAppleMenu:) withObject:menu];
+	/* Setup the Application menu */
+	NSMenuItem * item = [menu addItemWithTitle:[NSString stringWithFormat:@"%@ %@", NSLocalizedString(@"About", nil), applicationName]
+						   action:@selector(orderFrontStandardAboutPanel:)
+					keyEquivalent:@""];
+	[item setTarget:DWApp];
+	[menu addItem:[NSMenuItem separatorItem]];
+	item = [menu addItemWithTitle:NSLocalizedString(@"Preferences...", nil)
+						   action:NULL
+					keyEquivalent:@","];
+	[menu addItem:[NSMenuItem separatorItem]];
+	item = [menu addItemWithTitle:NSLocalizedString(@"Services", nil)
+						   action:NULL
+					keyEquivalent:@""];
+	NSMenu * servicesMenu = [[[NSMenu alloc] initWithTitle:@"Services"] autorelease];
+	[menu setSubmenu:servicesMenu forItem:item];
+	[DWApp setServicesMenu:servicesMenu];
+	[menu addItem:[NSMenuItem separatorItem]];
+	item = [menu addItemWithTitle:[NSString stringWithFormat:@"%@ %@", NSLocalizedString(@"Hide", nil), applicationName]
+						   action:@selector(hide:)
+					keyEquivalent:@"h"];
+	[item setTarget:DWApp];
+	item = [menu addItemWithTitle:NSLocalizedString(@"Hide Others", nil)
+						   action:@selector(hideOtherApplications:)
+					keyEquivalent:@"h"];
+	[item setKeyEquivalentModifierMask:NSCommandKeyMask | NSAlternateKeyMask];
+	[item setTarget:DWApp];
+	item = [menu addItemWithTitle:NSLocalizedString(@"Show All", nil)
+						   action:@selector(unhideAllApplications:)
+					keyEquivalent:@""];
+	[item setTarget:DWApp];
+	[menu addItem:[NSMenuItem separatorItem]];
+	item = [menu addItemWithTitle:[NSString stringWithFormat:@"%@ %@", NSLocalizedString(@"Quit", nil), applicationName]
+						   action:@selector(terminate:)
+					keyEquivalent:@"q"];
+	[item setTarget:DWApp];
+	[mainMenu setSubmenu:menu forItem:mitem];
+	return 0;
+}
+/*
+* Runs a message loop for Dynamic Windows.
+*/
+void API dw_main(void)
+{
+[DWApp run];
+}
+/*
+* Runs a message loop for Dynamic Windows, for a period of milliseconds.
+* Parameters:
+*           milliseconds: Number of milliseconds to run the loop for.
+*/
+void API dw_main_sleep(int milliseconds)
+{
+	double seconds = (double)milliseconds/1000.0;
+	NSDate *time = [[NSDate alloc] initWithTimeIntervalSinceNow:seconds];
+	[DWRunLoop runUntilDate:time];
+}
+/*
+* Processes a single message iteration and returns.
+*/
+void API dw_main_iteration(void)
+{
+	[DWRunLoop limitDateForMode:NSDefaultRunLoopMode];
+}
+/*
+* Cleanly terminates a DW session, should be signal handler safe.
+* Parameters:
+*       exitcode: Exit code reported to the operating system.
+*/
+void API dw_exit(int exitcode)
+{
+	exit(exitcode);
+}
+/*
+* Free's memory allocated by dynamic windows.
+* Parameters:
+*           ptr: Pointer to dynamic windows allocated
+*                memory to be free()'d.
+*/
+void API dw_free(void *ptr)
+{
+free(ptr);
+}
+/*
+* Returns a pointer to a static buffer which containes the
+* current user directory.  Or the root directory (C:\ on
+* OS/2 and Windows).
+*/
+char *dw_user_dir(void)
+{
+	static char _user_dir[1024] = "";
+	if(!_user_dir[0])
+	{
+		char *home = getenv("HOME");
+		if(home)
+			strcpy(_user_dir, home);
+		else
+			strcpy(_user_dir, "/");
+	}
+	return _user_dir;
+}
+/*
+* Displays a Message Box with given text and title..
+* Parameters:
+*           title: The title of the message box.
+*           flags: flags to indicate buttons and icon
+*           format: printf style format string.
+*           ...: Additional variables for use in the format.
+*/
+int API dw_messagebox(char *title, int flags, char *format, ...)
+{
+	int iResponse;
+	NSString *button1 = @"OK";
+	NSString *button2 = nil;
+	NSString *button3 = nil;
+	va_list args;
+	char outbuf[1000];
+	va_start(args, format);
+	vsprintf(outbuf, format, args);
+	va_end(args);
+	if(flags & DW_MB_OKCANCEL)
+	{
+		button2 = @"Cancel";
+	}
+	else if(flags & DW_MB_YESNO)
+	{
+		button1 = @"Yes";
+		button2 = @"No";
+	}
+	else if(flags & DW_MB_YESNOCANCEL)
+	{
+		button1 = @"Yes";
+		button2 = @"No";
+		button3 = @"Cancel";
+	}
+	if(flags & DW_MB_ERROR)
+	{
+		iResponse =
+		NSRunCriticalAlertPanel([ NSString stringWithUTF8String:title ],
+								[ NSString stringWithUTF8String:outbuf ],
+								button1, button2, button3);	}
+	else
+	{
+		iResponse =
+		NSRunAlertPanel([ NSString stringWithUTF8String:title ],
+						[ NSString stringWithUTF8String:outbuf ],
+						button1, button2, button3);
+	}
+	switch(iResponse)
+	{
+		case NSAlertDefaultReturn:    /* user pressed OK */
+			if(flags & DW_MB_YESNO || flags & DW_MB_YESNOCANCEL)
+			{
+				return DW_MB_RETURN_YES;
+			}
+			return DW_MB_RETURN_OK;
+		case NSAlertAlternateReturn:  /* user pressed Cancel */
+			if(flags & DW_MB_OKCANCEL)
+			{
+				return DW_MB_RETURN_CANCEL;
+			}
+			return DW_MB_RETURN_NO;
+		case NSAlertOtherReturn:      /* user pressed the third button */
+			return DW_MB_RETURN_CANCEL;
+		case NSAlertErrorReturn:      /* an error occurred */
+			break;
+	}
+	return 0;
+}
+/*
+* Opens a file dialog and queries user selection.
+* Parameters:
+*       title: Title bar text for dialog.
+*       defpath: The default path of the open dialog.
+*       ext: Default file extention.
+*       flags: DW_FILE_OPEN or DW_FILE_SAVE.
+* Returns:
+*       NULL on error. A malloced buffer containing
+*       the file path on success.
+*
+*/
+char * API dw_file_browse(char *title, char *defpath, char *ext, int flags)
+{
+	NSLog(@"dw_file_browse() unimplemented\n");
+	return NULL;
+}
+/*
+* Gets the contents of the default clipboard as text.
+* Parameters:
+*       None.
+* Returns:
+*       Pointer to an allocated string of text or NULL if clipboard empty or contents could not
+*       be converted to text.
+*/
+char *dw_clipboard_get_text()
+{
+	NSLog(@"dw_clipboard_get_text() unimplemented\n");
+	return NULL;
+}
+/*
+* Sets the contents of the default clipboard to the supplied text.
+* Parameters:
+*       Text.
+*/
+void dw_clipboard_set_text( char *str, int len )
+{
+	NSLog(@"dw_clipboard_set_text() unimplemented\n");
+	return;
+}
+/*
+* Allocates and initializes a dialog struct.
+* Parameters:
+*           data: User defined data to be passed to functions.
+*/
+DWDialog * API dw_dialog_new(void *data)
+{
+	NSLog(@"dw_dialog_new() unimplemented\n");
+	return NULL;
+}
+/*
+* Accepts a dialog struct and returns the given data to the
+* initial called of dw_dialog_wait().
+* Parameters:
+*           dialog: Pointer to a dialog struct aquired by dw_dialog_new).
+*           result: Data to be returned by dw_dialog_wait().
+*/
+int API dw_dialog_dismiss(DWDialog *dialog, void *result)
+{
+	NSLog(@"dw_dialog_dismiss() unimplemented\n");
+	return 0;
+}
+/*
+* Accepts a dialog struct waits for dw_dialog_dismiss() to be
+* called by a signal handler with the given dialog struct.
+* Parameters:
+*           dialog: Pointer to a dialog struct aquired by dw_dialog_new).
+*/
+void * API dw_dialog_wait(DWDialog *dialog)
+{
+	NSLog(@"dw_dialog_wait() unimplemented\n");
+	return NULL;
+}
+/*
+* Create a new Box to be packed.
+* Parameters:
+*       type: Either DW_VERT (vertical) or DW_HORZ (horizontal).
+*       pad: Number of pixels to pad around the box.
+*/
+HWND API dw_box_new(int type, int pad)
+{
+DWBox *view = [[DWBox alloc] init];
+	Box newbox;
+	memset(&newbox, 0, sizeof(Box));
+	newbox.pad = pad;
+	newbox.type = type;
+	[view setBox:newbox];
+	return view;
+}
+/*
+* Create a new Group Box to be packed.
+* Parameters:
+*       type: Either DW_VERT (vertical) or DW_HORZ (horizontal).
+*       pad: Number of pixels to pad around the box.
+*       title: Text to be displayined in the group outline.
+*/
+HWND API dw_groupbox_new(int type, int pad, char *title)
+{
+	DWBox *box = dw_box_new(type, pad);
+	[box setFocusRingType:NSFocusRingTypeExterior];
+	return box;
+}
+/*
+* Pack windows (widgets) into a box from the end (or bottom).
+* Parameters:
+*       box: Window handle of the box to be packed into.
+*       item: Window handle of the item to be back.
+*       width: Width in pixels of the item or -1 to be self determined.
+*       height: Height in pixels of the item or -1 to be self determined.
+*       hsize: TRUE if the window (widget) should expand horizontally to fill space given.
+*       vsize: TRUE if the window (widget) should expand vertically to fill space given.
+*       pad: Number of pixels of padding around the item.
+*/
+void API dw_box_pack_end(HWND box, HWND item, int width, int height, int hsize, int vsize, int pad)
+{
+	NSObject *object = box;
+	DWBox *view = box;
+	DWBox *this = item;
+	Box thisbox;
+int z;
+Item *tmpitem, *thisitem;
+	/* Query the objects */
+	if([ object isKindOfClass:[ NSWindow class ] ])
+	{
+		NSWindow *window = box;
+		view = [window contentView];
+	}
+	thisbox = [view box];
+	thisitem = thisbox.items;
+	object = item;
+	/* Duplicate the existing data */
+tmpitem = malloc(sizeof(Item)*(thisbox.count+1));
+for(z=0;z<thisbox.count;z++)
+{
+tmpitem[z+1] = thisitem[z];
+}
+	/* Sanity checks */
+if(vsize && !height)
+height = 1;
+if(hsize && !width)
+width = 1;
+	/* Fill in the item data appropriately */
+	if([ object isKindOfClass:[ DWBox class ] ])
+tmpitem[0].type = TYPEBOX;
+else
+tmpitem[0].type = TYPEITEM;
+tmpitem[0].hwnd = item;
+tmpitem[0].origwidth = tmpitem[0].width = width;
+tmpitem[0].origheight = tmpitem[0].height = height;
+tmpitem[0].pad = pad;
+if(hsize)
+tmpitem[0].hsize = SIZEEXPAND;
+else
+tmpitem[0].hsize = SIZESTATIC;
+if(vsize)
+tmpitem[0].vsize = SIZEEXPAND;
+else
+tmpitem[0].vsize = SIZESTATIC;
+thisbox.items = tmpitem;
+	/* Update the item count */
+thisbox.count++;
+	/* Add the item to the box */
+	[view setBox:thisbox];
+	[view addSubview:this];
+	/* Free the old data */
+if(thisbox.count)
+free(thisitem);
+}
+/*
+* Pack windows (widgets) into a box from the start (or top).
+* Parameters:
+*       box: Window handle of the box to be packed into.
+*       item: Window handle of the item to be back.
+*       width: Width in pixels of the item or -1 to be self determined.
+*       height: Height in pixels of the item or -1 to be self determined.
+*       hsize: TRUE if the window (widget) should expand horizontally to fill space given.
+*       vsize: TRUE if the window (widget) should expand vertically to fill space given.
+*       pad: Number of pixels of padding around the item.
+*/
+void API dw_box_pack_start(HWND box, HWND item, int width, int height, int hsize, int vsize, int pad)
+{
+	NSObject *object = box;
+	DWBox *view = box;
+	DWBox *this = item;
+	Box thisbox;
+int z;
+Item *tmpitem, *thisitem;
+	/* Query the objects */
+	if([ object isKindOfClass:[ NSWindow class ] ])
+	{
+		NSWindow *window = box;
+		view = [window contentView];
+	}
+	thisbox = [view box];
+	thisitem = thisbox.items;
+	object = item;
+	/* Duplicate the existing data */
+tmpitem = malloc(sizeof(Item)*(thisbox.count+1));
+for(z=0;z<thisbox.count;z++)
+{
+tmpitem[z] = thisitem[z];
+}
+	/* Sanity checks */
+if(vsize && !height)
+height = 1;
+if(hsize && !width)
+width = 1;
+	/* Fill in the item data appropriately */
+	if([ object isKindOfClass:[ DWBox class ] ])
+tmpitem[thisbox.count].type = TYPEBOX;
+else
+tmpitem[thisbox.count].type = TYPEITEM;
+tmpitem[thisbox.count].hwnd = item;
+tmpitem[thisbox.count].origwidth = tmpitem[thisbox.count].width = width;
+tmpitem[thisbox.count].origheight = tmpitem[thisbox.count].height = height;
+tmpitem[thisbox.count].pad = pad;
+if(hsize)
+tmpitem[thisbox.count].hsize = SIZEEXPAND;
+else
+tmpitem[thisbox.count].hsize = SIZESTATIC;
+if(vsize)
+tmpitem[thisbox.count].vsize = SIZEEXPAND;
+else
+tmpitem[thisbox.count].vsize = SIZESTATIC;
+	thisbox.items = tmpitem;
+	/* Update the item count */
+thisbox.count++;
+	/* Add the item to the box */
+	[view setBox:thisbox];
+	[view addSubview:this];
+	/* Free the old data */
+if(thisbox.count)
+free(thisitem);
+}
+/*
+* Create a new button window (widget) to be packed.
+* Parameters:
+*       text: The text to be display by the static text widget.
+*       id: An ID to be used with dw_window_from_id() or 0L.
+*/
+HWND API dw_button_new(char *text, ULONG id)
+{
+	DWButton *button = [[DWButton alloc] init];
+	[button setTitle:[ NSString stringWithUTF8String:text ]];
+	[button setButtonType:NSMomentaryPushInButton];
+	[button setBezelStyle:NSThickerSquareBezelStyle];
+	/*[button setGradientType:NSGradientConvexWeak];*/
+	[button setTag:id];
+	return button;
+}
+/*
+* Create a new Entryfield window (widget) to be packed.
+* Parameters:
+*       text: The default text to be in the entryfield widget.
+*       id: An ID to be used with dw_window_from_id() or 0L.
+*/
+HWND API dw_entryfield_new(char *text, ULONG id)
+{
+	NSTextField *entry = [[NSTextField alloc] init];
+	[entry setStringValue:[ NSString stringWithUTF8String:text ]];
+	[entry setTag:id];
+	return entry;
+}
+/*
+* Create a new Entryfield (password) window (widget) to be packed.
+* Parameters:
+*       text: The default text to be in the entryfield widget.
+*       id: An ID to be used with dw_window_from_id() or 0L.
+*/
+HWND API dw_entryfield_password_new(char *text, ULONG id)
+{
+	NSSecureTextField *entry = [[NSSecureTextField alloc] init];
+	[entry setStringValue:[ NSString stringWithUTF8String:text ]];
+	[entry setTag:id];
+	return entry;
+}
+/*
+* Sets the entryfield character limit.
+* Parameters:
+*          handle: Handle to the spinbutton to be set.
+*          limit: Number of characters the entryfield will take.
+*/
+void API dw_entryfield_set_limit(HWND handle, ULONG limit)
+{
+	NSLog(@"dw_entryfield_set_limit() unimplemented\n");
+}
+/*
+* Create a new bitmap button window (widget) to be packed.
+* Parameters:
+*       text: Bubble help text to be displayed.
+*       id: An ID of a bitmap in the resource file.
+*/
+HWND API dw_bitmapbutton_new(char *text, ULONG id)
+{
+	NSLog(@"dw_bitmapbutton_new() unimplemented\n");
+	return HWND_DESKTOP;
+}
+/*
+* Create a new bitmap button window (widget) to be packed from a file.
+* Parameters:
+*       text: Bubble help text to be displayed.
+*       id: An ID to be used with dw_window_from_id() or 0L.
+*       filename: Name of the file, omit extention to have
+*                 DW pick the appropriate file extension.
+*                 (BMP on OS/2 or Windows, XPM on Unix)
+*/
+HWND API dw_bitmapbutton_new_from_file(char *text, unsigned long id, char *filename)
+{
+	NSLog(@"dw_bitmapbutton_new_from_file() unimplemented\n");
+	return HWND_DESKTOP;
+}
+/*
+* Create a new bitmap button window (widget) to be packed from data.
+* Parameters:
+*       text: Bubble help text to be displayed.
+*       id: An ID to be used with dw_window_from_id() or 0L.
+*       data: The contents of the image
+*            (BMP or ICO on OS/2 or Windows, XPM on Unix)
+*       len: length of str
+*/
+HWND API dw_bitmapbutton_new_from_data(char *text, unsigned long id, char *data, int len)
+{
+	NSLog(@"dw_bitmapbutton_new_from_data() unimplemented\n");
+	return HWND_DESKTOP;
+}
+/*
+* Create a new spinbutton window (widget) to be packed.
+* Parameters:
+*       text: The text to be display by the static text widget.
+*       id: An ID to be used with dw_window_from_id() or 0L.
+*/
+HWND API dw_spinbutton_new(char *text, ULONG id)
+{
+	NSLog(@"dw_spinbutton_new() unimplemented\n");
+	return HWND_DESKTOP;
+}
+/*
+* Sets the spinbutton value.
+* Parameters:
+*          handle: Handle to the spinbutton to be set.
+*          position: Current value of the spinbutton.
+*/
+void API dw_spinbutton_set_pos(HWND handle, long position)
+{
+	NSLog(@"dw_spinbutton_set_pos() unimplemented\n");
+}
+/*
+* Sets the spinbutton limits.
+* Parameters:
+*          handle: Handle to the spinbutton to be set.
+*          upper: Upper limit.
+*          lower: Lower limit.
+*/
+void API dw_spinbutton_set_limits(HWND handle, long upper, long lower)
+{
+	NSLog(@"dw_spinbutton_set_limits() unimplemented\n");
+}
+/*
+* Returns the current value of the spinbutton.
+* Parameters:
+*          handle: Handle to the spinbutton to be queried.
+*/
+long API dw_spinbutton_get_pos(HWND handle)
+{
+	NSLog(@"dw_spinbutton_get_pos() unimplemented\n");
+return 0;
+}
+/*
+* Create a new radiobutton window (widget) to be packed.
+* Parameters:
+*       text: The text to be display by the static text widget.
+*       id: An ID to be used with dw_window_from_id() or 0L.
+*/
+HWND API dw_radiobutton_new(char *text, ULONG id)
+{
+	DWButton *button = dw_button_new(text, id);
+	[button setButtonType:NSRadioButton];
+	return button;
+}
+/*
+* Create a new slider window (widget) to be packed.
+* Parameters:
+*       vertical: TRUE or FALSE if slider is vertical.
+*       increments: Number of increments available.
+*       id: An ID to be used with dw_window_from_id() or 0L.
+*/
+HWND API dw_slider_new(int vertical, int increments, ULONG id)
+{
+	NSLog(@"dw_slider_new() unimplemented\n");
+	return HWND_DESKTOP;
+}
+/*
+* Returns the position of the slider.
+* Parameters:
+*          handle: Handle to the slider to be queried.
+*/
+unsigned int API dw_slider_get_pos(HWND handle)
+{
+	NSLog(@"dw_slider_get_pos() unimplemented\n");
+	return 0;
+}
+/*
+* Sets the slider position.
+* Parameters:
+*          handle: Handle to the slider to be set.
+*          position: Position of the slider withing the range.
+*/
+void API dw_slider_set_pos(HWND handle, unsigned int position)
+{
+	NSLog(@"dw_slider_set_pos() unimplemented\n");
+}
+/*
+* Create a new scrollbar window (widget) to be packed.
+* Parameters:
+*       vertical: TRUE or FALSE if scrollbar is vertical.
+*       increments: Number of increments available.
+*       id: An ID to be used with dw_window_from_id() or 0L.
+*/
+HWND API dw_scrollbar_new(int vertical, ULONG id)
+{
+	NSLog(@"dw_scrollbar_new() unimplemented\n");
+	return HWND_DESKTOP;
+}
+/*
+* Returns the position of the scrollbar.
+* Parameters:
+*          handle: Handle to the scrollbar to be queried.
+*/
+unsigned int API dw_scrollbar_get_pos(HWND handle)
+{
+	NSLog(@"dw_scrollbar_get_pos() unimplemented\n");
+	return 0;
+}
+/*
+* Sets the scrollbar position.
+* Parameters:
+*          handle: Handle to the scrollbar to be set.
+*          position: Position of the scrollbar withing the range.
+*/
+void API dw_scrollbar_set_pos(HWND handle, unsigned int position)
+{
+	NSLog(@"dw_scrollbar_set_pos() unimplemented\n");
+}
+/*
+* Sets the scrollbar range.
+* Parameters:
+*          handle: Handle to the scrollbar to be set.
+*          range: Maximum range value.
+*          visible: Visible area relative to the range.
+*/
+void API dw_scrollbar_set_range(HWND handle, unsigned int range, unsigned int visible)
+{
+	NSLog(@"dw_scrollbar_set_range() unimplemented\n");
+}
+/*
+* Create a new percent bar window (widget) to be packed.
+* Parameters:
+*       id: An ID to be used with dw_window_from_id() or 0L.
+*/
+HWND API dw_percent_new(ULONG id)
+{
+	DWPercent *percent = [[DWPercent alloc] init];
+	[percent setBezeled:YES];
+	[percent setMaxValue:100];
+	[percent setMinValue:0];
+	/*[percent setTag:id]; Why doesn't this work? */
+	return percent;
+}
+/*
+* Sets the percent bar position.
+* Parameters:
+*          handle: Handle to the percent bar to be set.
+*          position: Position of the percent bar withing the range.
+*/
+void API dw_percent_set_pos(HWND handle, unsigned int position)
+{
+	DWPercent *percent = handle;
+	[percent setDoubleValue:(double)position];
+}
+/*
+* Create a new checkbox window (widget) to be packed.
+* Parameters:
+*       text: The text to be display by the static text widget.
+*       id: An ID to be used with dw_window_from_id() or 0L.
+*/
+HWND API dw_checkbox_new(char *text, ULONG id)
+{
+	DWButton *button = dw_button_new(text, id);
+	[button setButtonType:NSSwitchButton];
+	[button setBezelStyle:NSRegularSquareBezelStyle];
+	return button;
+}
+/*
+* Returns the state of the checkbox.
+* Parameters:
+*          handle: Handle to the checkbox to be queried.
+*/
+int API dw_checkbox_get(HWND handle)
+{
+	NSLog(@"dw_checkbox_set() unimplemented\n");
+	return 0;
+}
+/*
+* Sets the state of the checkbox.
+* Parameters:
+*          handle: Handle to the checkbox to be queried.
+*          value: TRUE for checked, FALSE for unchecked.
+*/
+void API dw_checkbox_set(HWND handle, int value)
+{
+	NSLog(@"dw_checkbox_set() unimplemented\n");
+}
+/*
+* Create a new listbox window (widget) to be packed.
+* Parameters:
+*       id: An ID to be used with dw_window_from_id() or 0L.
+*       multi: Multiple select TRUE or FALSE.
+*/
+HWND API dw_listbox_new(ULONG id, int multi)
+{
+	NSLog(@"dw_listbox_new() unimplemented\n");
+	return HWND_DESKTOP;
+}
+/*
+* Appends the specified text to the listbox's (or combobox) entry list.
+* Parameters:
+*          handle: Handle to the listbox to be appended to.
+*          text: Text to append into listbox.
+*/
+void API dw_listbox_append(HWND handle, char *text)
+{
+	NSLog(@"dw_listbox_append() unimplemented\n");
+}
+/*
+* Inserts the specified text into the listbox's (or combobox) entry list.
+* Parameters:
+*          handle: Handle to the listbox to be inserted into.
+*          text: Text to insert into listbox.
+*          pos: 0-based position to insert text
+*/
+void API dw_listbox_insert(HWND handle, char *text, int pos)
+{
+	NSLog(@"dw_listbox_insert() unimplemented\n");
+}
+/*
+* Appends the specified text items to the listbox's (or combobox) entry list.
+* Parameters:
+*          handle: Handle to the listbox to be appended to.
+*          text: Text strings to append into listbox.
+*          count: Number of text strings to append
+*/
+void API dw_listbox_list_append(HWND handle, char **text, int count)
+{
+	NSLog(@"dw_listbox_list_append() unimplemented\n");
+}
+/*
+* Clears the listbox's (or combobox) list of all entries.
+* Parameters:
+*          handle: Handle to the listbox to be cleared.
+*/
+void API dw_listbox_clear(HWND handle)
+{
+	NSLog(@"dw_listbox_clear() unimplemented\n");
+}
+/*
+* Returns the listbox's item count.
+* Parameters:
+*          handle: Handle to the listbox to be cleared.
+*/
+int API dw_listbox_count(HWND handle)
+{
+	NSLog(@"dw_listbox_count() unimplemented\n");
+	return 0;
+}
+/*
+* Sets the topmost item in the viewport.
+* Parameters:
+*          handle: Handle to the listbox to be cleared.
+*          top: Index to the top item.
+*/
+void API dw_listbox_set_top(HWND handle, int top)
+{
+	NSLog(@"dw_listbox_set_top() unimplemented\n");
+}
+/*
+* Copies the given index item's text into buffer.
+* Parameters:
+*          handle: Handle to the listbox to be queried.
+*          index: Index into the list to be queried.
+*          buffer: Buffer where text will be copied.
+*          length: Length of the buffer (including NULL).
+*/
+void API dw_listbox_get_text(HWND handle, unsigned int index, char *buffer, unsigned int length)
+{
+	NSLog(@"dw_listbox_get_text() unimplemented\n");
+}
+/*
+* Sets the text of a given listbox entry.
+* Parameters:
+*          handle: Handle to the listbox to be queried.
+*          index: Index into the list to be queried.
+*          buffer: Buffer where text will be copied.
+*/
+void API dw_listbox_set_text(HWND handle, unsigned int index, char *buffer)
+{
+	NSLog(@"dw_listbox_set_text() unimplemented\n");
+}
+/*
+* Returns the index to the item in the list currently selected.
+* Parameters:
+*          handle: Handle to the listbox to be queried.
+*/
+unsigned int API dw_listbox_selected(HWND handle)
+{
+	NSLog(@"dw_listbox_selected() unimplemented\n");
+	return 0;
+}
+/*
+* Returns the index to the current selected item or -1 when done.
+* Parameters:
+*          handle: Handle to the listbox to be queried.
+*          where: Either the previous return or -1 to restart.
+*/
+int API dw_listbox_selected_multi(HWND handle, int where)
+{
+	NSLog(@"dw_listbox_selected_multi() unimplemented\n");
+	return 0;
+}
+/*
+* Sets the selection state of a given index.
+* Parameters:
+*          handle: Handle to the listbox to be set.
+*          index: Item index.
+*          state: TRUE if selected FALSE if unselected.
+*/
+void API dw_listbox_select(HWND handle, int index, int state)
+{
+	NSLog(@"dw_listbox_select() unimplemented\n");
+}
+/*
+* Deletes the item with given index from the list.
+* Parameters:
+*          handle: Handle to the listbox to be set.
+*          index: Item index.
+*/
+void API dw_listbox_delete(HWND handle, int index)
+{
+	NSLog(@"dw_listbox_delete() unimplemented\n");
+}
+/*
+* Create a new Combobox window (widget) to be packed.
+* Parameters:
+*       text: The default text to be in the combpbox widget.
+*       id: An ID to be used with dw_window_from_id() or 0L.
+*/
+HWND API dw_combobox_new(char *text, ULONG id)
+{
+	NSLog(@"dw_combobox_new() unimplemented\n");
+	return HWND_DESKTOP;
+}
+/*
+* Create a new Multiline Editbox window (widget) to be packed.
+* Parameters:
+*       id: An ID to be used with dw_window_from_id() or 0L.
+*/
+HWND API dw_mle_new(ULONG id)
+{
+	NSLog(@"dw_mle_new() unimplemented\n");
+	return HWND_DESKTOP;
+}
+/*
+* Adds text to an MLE box and returns the current point.
+* Parameters:
+*          handle: Handle to the MLE to be queried.
+*          buffer: Text buffer to be imported.
+*          startpoint: Point to start entering text.
+*/
+unsigned int API dw_mle_import(HWND handle, char *buffer, int startpoint)
+{
+	NSLog(@"dw_mle_import() unimplemented\n");
+	return 0;
+}
+/*
+* Grabs text from an MLE box.
+* Parameters:
+*          handle: Handle to the MLE to be queried.
+*          buffer: Text buffer to be exported.
+*          startpoint: Point to start grabbing text.
+*          length: Amount of text to be grabbed.
+*/
+void API dw_mle_export(HWND handle, char *buffer, int startpoint, int length)
+{
+	NSLog(@"dw_mle_export() unimplemented\n");
+}
+/*
+* Obtains information about an MLE box.
+* Parameters:
+*          handle: Handle to the MLE to be queried.
+*          bytes: A pointer to a variable to return the total bytes.
+*          lines: A pointer to a variable to return the number of lines.
+*/
+void API dw_mle_get_size(HWND handle, unsigned long *bytes, unsigned long *lines)
+{
+	NSLog(@"dw_mle_get_size() unimplemented\n");
+}
+/*
+* Deletes text from an MLE box.
+* Parameters:
+*          handle: Handle to the MLE to be deleted from.
+*          startpoint: Point to start deleting text.
+*          length: Amount of text to be deleted.
+*/
+void API dw_mle_delete(HWND handle, int startpoint, int length)
+{
+	NSLog(@"dw_mle_delete() unimplemented\n");
+}
+/*
+* Clears all text from an MLE box.
+* Parameters:
+*          handle: Handle to the MLE to be cleared.
+*/
+void API dw_mle_clear(HWND handle)
+{
+	NSLog(@"dw_mle_clear() unimplemented\n");
+}
+/*
+* Sets the visible line of an MLE box.
+* Parameters:
+*          handle: Handle to the MLE to be positioned.
+*          line: Line to be visible.
+*/
+void API dw_mle_set_visible(HWND handle, int line)
+{
+	NSLog(@"dw_mle_clear() unimplemented\n");
+}
+/*
+* Sets the editablity of an MLE box.
+* Parameters:
+*          handle: Handle to the MLE.
+*          state: TRUE if it can be edited, FALSE for readonly.
+*/
+void API dw_mle_set_editable(HWND handle, int state)
+{
+	NSLog(@"dw_mle_set_editable() unimplemented\n");
+}
+/*
+* Sets the word wrap state of an MLE box.
+* Parameters:
+*          handle: Handle to the MLE.
+*          state: TRUE if it wraps, FALSE if it doesn't.
+*/
+void API dw_mle_set_word_wrap(HWND handle, int state)
+{
+	NSLog(@"dw_mle_set_word_wrap() unimplemented\n");
+}
+/*
+* Sets the current cursor position of an MLE box.
+* Parameters:
+*          handle: Handle to the MLE to be positioned.
+*          point: Point to position cursor.
+*/
+void API dw_mle_set_cursor(HWND handle, int point)
+{
+	NSLog(@"dw_mle_set_cursor() unimplemented\n");
+}
+/*
+* Finds text in an MLE box.
+* Parameters:
+*          handle: Handle to the MLE to be cleared.
+*          text: Text to search for.
+*          point: Start point of search.
+*          flags: Search specific flags.
+*/
+int API dw_mle_search(HWND handle, char *text, int point, unsigned long flags)
+{
+	NSLog(@"dw_mle_search() unimplemented\n");
+	return 0;
+}
+/*
+* Stops redrawing of an MLE box.
+* Parameters:
+*          handle: Handle to the MLE to freeze.
+*/
+void API dw_mle_freeze(HWND handle)
+{
+	NSLog(@"dw_mle_freeze() unimplemented\n");
+}
+/*
+* Resumes redrawing of an MLE box.
+* Parameters:
+*          handle: Handle to the MLE to thaw.
+*/
+void API dw_mle_thaw(HWND handle)
+{
+	NSLog(@"dw_mle_thaw() unimplemented\n");
+}
+/*
+* Create a new status text window (widget) to be packed.
+* Parameters:
+*       text: The text to be display by the static text widget.
+*       id: An ID to be used with dw_window_from_id() or 0L.
+*/
+HWND API dw_status_text_new(char *text, ULONG id)
+{
+	NSLog(@"dw_status_text_new() unimplemented\n");
+	return HWND_DESKTOP;
+}
+/*
+* Create a new static text window (widget) to be packed.
+* Parameters:
+*       text: The text to be display by the static text widget.
+*       id: An ID to be used with dw_window_from_id() or 0L.
+*/
+HWND API dw_text_new(char *text, ULONG id)
+{
+	NSLog(@"dw_text_new() unimplemented\n");
+	return HWND_DESKTOP;
+}
+/*
+* Creates a rendering context widget (window) to be packed.
+* Parameters:
+*       id: An id to be used with dw_window_from_id.
+* Returns:
+*       A handle to the widget or NULL on failure.
+*/
+HWND API dw_render_new(unsigned long id)
+{
+	NSLog(@"dw_render_new() unimplemented\n");
+	return HWND_DESKTOP;
+}
+/* Sets the current foreground drawing color.
+* Parameters:
+*       red: red value.
+*       green: green value.
+*       blue: blue value.
+*/
+void API dw_color_foreground_set(unsigned long value)
+{
+	_foreground = value;
+}
+/* Sets the current background drawing color.
+* Parameters:
+*       red: red value.
+*       green: green value.
+*       blue: blue value.
+*/
+void API dw_color_background_set(unsigned long value)
+{
+	_background = value;
+}
+/* Allows the user to choose a color using the system's color chooser dialog.
+* Parameters:
+*       value: current color
+* Returns:
+*       The selected color or the current color if cancelled.
+*/
+unsigned long API dw_color_choose(unsigned long value)
+{
+	NSLog(@"dw_color_choose() unimplemented\n");
+	return 0;
+}
+/* Draw a point on a window (preferably a render window).
+* Parameters:
+*       handle: Handle to the window.
+*       pixmap: Handle to the pixmap. (choose only one of these)
+*       x: X coordinate.
+*       y: Y coordinate.
+*/
+void API dw_draw_point(HWND handle, HPIXMAP pixmap, int x, int y)
+{
+	NSLog(@"dw_draw_point() unimplemented\n");
+}
+/* Draw a line on a window (preferably a render window).
+* Parameters:
+*       handle: Handle to the window.
+*       pixmap: Handle to the pixmap. (choose only one of these)
+*       x1: First X coordinate.
+*       y1: First Y coordinate.
+*       x2: Second X coordinate.
+*       y2: Second Y coordinate.
+*/
+void API dw_draw_line(HWND handle, HPIXMAP pixmap, int x1, int y1, int x2, int y2)
+{
+	NSLog(@"dw_draw_line() unimplemented\n");
+}
+/* Draw text on a window (preferably a render window).
+* Parameters:
+*       handle: Handle to the window.
+*       pixmap: Handle to the pixmap. (choose only one of these)
+*       x: X coordinate.
+*       y: Y coordinate.
+*       text: Text to be displayed.
+*/
+void API dw_draw_text(HWND handle, HPIXMAP pixmap, int x, int y, char *text)
+{
+	NSLog(@"dw_draw_line() unimplemented\n");
+}
+/* Query the width and height of a text string.
+* Parameters:
+*       handle: Handle to the window.
+*       pixmap: Handle to the pixmap. (choose only one of these)
+*       text: Text to be queried.
+*       width: Pointer to a variable to be filled in with the width.
+*       height Pointer to a variable to be filled in with the height.
+*/
+void API dw_font_text_extents_get(HWND handle, HPIXMAP pixmap, char *text, int *width, int *height)
+{
+	NSLog(@"dw_font_text_extents_get() unimplemented\n");
+}
+/* Draw a polygon on a window (preferably a render window).
+* Parameters:
+*       handle: Handle to the window.
+*       pixmap: Handle to the pixmap. (choose only one of these)
+*       fill: Fill box TRUE or FALSE.
+*       x: X coordinate.
+*       y: Y coordinate.
+*       width: Width of rectangle.
+*       height: Height of rectangle.
+*/
+void API dw_draw_polygon( HWND handle, HPIXMAP pixmap, int fill, int npoints, int *x, int *y )
+{
+	NSLog(@"dw_draw_polygon() unimplemented\n");
+}
+/* Draw a rectangle on a window (preferably a render window).
+* Parameters:
+*       handle: Handle to the window.
+*       pixmap: Handle to the pixmap. (choose only one of these)
+*       fill: Fill box TRUE or FALSE.
+*       x: X coordinate.
+*       y: Y coordinate.
+*       width: Width of rectangle.
+*       height: Height of rectangle.
+*/
+void API dw_draw_rect(HWND handle, HPIXMAP pixmap, int fill, int x, int y, int width, int height)
+{
+	NSLog(@"dw_draw_rect() unimplemented\n");
+}
+/*
+* Create a tree object to be packed.
+* Parameters:
+*       id: An ID to be used for getting the resource from the
+*           resource file.
+*/
+HWND API dw_tree_new(ULONG id)
+{
+	NSLog(@"dw_tree_new() unimplemented\n");
+	return HWND_DESKTOP;
+}
+/*
+* Inserts an item into a tree window (widget) after another item.
+* Parameters:
+*          handle: Handle to the tree to be inserted.
+*          item: Handle to the item to be positioned after.
+*          title: The text title of the entry.
+*          icon: Handle to coresponding icon.
+*          parent: Parent handle or 0 if root.
+*          itemdata: Item specific data.
+*/
+HTREEITEM API dw_tree_insert_after(HWND handle, HTREEITEM item, char *title, unsigned long icon, HTREEITEM parent, void *itemdata)
+{
+	NSLog(@"dw_tree_insert_item_after() unimplemented\n");
+	return HWND_DESKTOP;
+}
+/*
+* Inserts an item into a tree window (widget).
+* Parameters:
+*          handle: Handle to the tree to be inserted.
+*          title: The text title of the entry.
+*          icon: Handle to coresponding icon.
+*          parent: Parent handle or 0 if root.
+*          itemdata: Item specific data.
+*/
+HTREEITEM API dw_tree_insert(HWND handle, char *title, unsigned long icon, HTREEITEM parent, void *itemdata)
+{
+	NSLog(@"dw_tree_insert_item() unimplemented\n");
+	return HWND_DESKTOP;
+}
+/*
+* Gets the text an item in a tree window (widget).
+* Parameters:
+*          handle: Handle to the tree containing the item.
+*          item: Handle of the item to be modified.
+*/
+char * API dw_tree_get_title(HWND handle, HTREEITEM item)
+{
+	NSLog(@"dw_tree_get_title() unimplemented\n");
+	return NULL;
+}
+/*
+* Gets the text an item in a tree window (widget).
+* Parameters:
+*          handle: Handle to the tree containing the item.
+*          item: Handle of the item to be modified.
+*/
+HTREEITEM API dw_tree_get_parent(HWND handle, HTREEITEM item)
+{
+	NSLog(@"dw_tree_get_parent() unimplemented\n");
+	return HWND_DESKTOP;
+}
+/*
+* Sets the text and icon of an item in a tree window (widget).
+* Parameters:
+*          handle: Handle to the tree containing the item.
+*          item: Handle of the item to be modified.
+*          title: The text title of the entry.
+*          icon: Handle to coresponding icon.
+*/
+void API dw_tree_item_change(HWND handle, HTREEITEM item, char *title, unsigned long icon)
+{
+	NSLog(@"dw_tree_item_change() unimplemented\n");
+}
+/*
+* Sets the item data of a tree item.
+* Parameters:
+*          handle: Handle to the tree containing the item.
+*          item: Handle of the item to be modified.
+*          itemdata: User defined data to be associated with item.
+*/
+void API dw_tree_item_set_data(HWND handle, HTREEITEM item, void *itemdata)
+{
+	NSLog(@"dw_tree_item_set_data() unimplemented\n");
+}
+/*
+* Gets the item data of a tree item.
+* Parameters:
+*          handle: Handle to the tree containing the item.
+*          item: Handle of the item to be modified.
+*/
+void * API dw_tree_item_get_data(HWND handle, HTREEITEM item)
+{
+	NSLog(@"dw_tree_item_get_data() unimplemented\n");
+	return NULL;
+}
+/*
+* Sets this item as the active selection.
+* Parameters:
+*       handle: Handle to the tree window (widget) to be selected.
+*       item: Handle to the item to be selected.
+*/
+void API dw_tree_item_select(HWND handle, HTREEITEM item)
+{
+	NSLog(@"dw_tree_item_select() unimplemented\n");
+}
+/*
+* Removes all nodes from a tree.
+* Parameters:
+*       handle: Handle to the window (widget) to be cleared.
+*/
+void API dw_tree_clear(HWND handle)
+{
+	NSLog(@"dw_tree_clear() unimplemented\n");
+}
+/*
+* Expands a node on a tree.
+* Parameters:
+*       handle: Handle to the tree window (widget).
+*       item: Handle to node to be expanded.
+*/
+void API dw_tree_item_expand(HWND handle, HTREEITEM item)
+{
+	NSLog(@"dw_tree_item_expand() unimplemented\n");
+}
+/*
+* Collapses a node on a tree.
+* Parameters:
+*       handle: Handle to the tree window (widget).
+*       item: Handle to node to be collapsed.
+*/
+void API dw_tree_item_collapse(HWND handle, HTREEITEM item)
+{
+	NSLog(@"dw_tree_item_collapse() unimplemented\n");
+}
+/*
+* Removes a node from a tree.
+* Parameters:
+*       handle: Handle to the window (widget) to be cleared.
+*       item: Handle to node to be deleted.
+*/
+void API dw_tree_item_delete(HWND handle, HTREEITEM item)
+{
+	NSLog(@"dw_tree_item_delete() unimplemented\n");
+}
+/*
+* Create a container object to be packed.
+* Parameters:
+*       id: An ID to be used for getting the resource from the
+*           resource file.
+*/
+HWND API dw_container_new(ULONG id, int multi)
+{
+	NSLog(@"dw_container_new() unimplemented\n");
+	return HWND_DESKTOP;
+}
+/*
+* Sets up the container columns.
+* Parameters:
+*          handle: Handle to the container to be configured.
+*          flags: An array of unsigned longs with column flags.
+*          titles: An array of strings with column text titles.
+*          count: The number of columns (this should match the arrays).
+*          separator: The column number that contains the main separator.
+*                     (this item may only be used in OS/2)
+*/
+int API dw_container_setup(HWND handle, unsigned long *flags, char **titles, int count, int separator)
+{
+	NSLog(@"dw_container_setup() unimplemented\n");
+	return 0;
+}
+/*
+* Sets up the filesystem columns, note: filesystem always has an icon/filename field.
+* Parameters:
+*          handle: Handle to the container to be configured.
+*          flags: An array of unsigned longs with column flags.
+*          titles: An array of strings with column text titles.
+*          count: The number of columns (this should match the arrays).
+*/
+int API dw_filesystem_setup(HWND handle, unsigned long *flags, char **titles, int count)
+{
+	NSLog(@"dw_filesystem_setup() unimplemented\n");
+	return 0;
+}
+/*
+* Allocates memory used to populate a container.
+* Parameters:
+*          handle: Handle to the container window (widget).
+*          rowcount: The number of items to be populated.
+*/
+void * API dw_container_alloc(HWND handle, int rowcount)
+{
+	NSLog(@"dw_container_alloc() unimplemented\n");
+	return NULL;
+}
+/*
+* Sets an item in specified row and column to the given data.
+* Parameters:
+*          handle: Handle to the container window (widget).
+*          pointer: Pointer to the allocated memory in dw_container_alloc().
+*          column: Zero based column of data being set.
+*          row: Zero based row of data being set.
+*          data: Pointer to the data to be added.
+*/
+void API dw_container_set_item(HWND handle, void *pointer, int column, int row, void *data)
+{
+	NSLog(@"dw_container_set_item() unimplemented\n");
+}
+/*
+* Changes an existing item in specified row and column to the given data.
+* Parameters:
+*          handle: Handle to the container window (widget).
+*          column: Zero based column of data being set.
+*          row: Zero based row of data being set.
+*          data: Pointer to the data to be added.
+*/
+void API dw_container_change_item(HWND handle, int column, int row, void *data)
+{
+	NSLog(@"dw_container_change_item() unimplemented\n");
+}
+/*
+* Changes an existing item in specified row and column to the given data.
+* Parameters:
+*          handle: Handle to the container window (widget).
+*          column: Zero based column of data being set.
+*          row: Zero based row of data being set.
+*          data: Pointer to the data to be added.
+*/
+void API dw_filesystem_change_item(HWND handle, int column, int row, void *data)
+{
+	NSLog(@"dw_filesystem_change_item() unimplemented\n");
+}
+/*
+* Changes an item in specified row and column to the given data.
+* Parameters:
+*          handle: Handle to the container window (widget).
+*          pointer: Pointer to the allocated memory in dw_container_alloc().
+*          column: Zero based column of data being set.
+*          row: Zero based row of data being set.
+*          data: Pointer to the data to be added.
+*/
+void API dw_filesystem_change_file(HWND handle, int row, char *filename, unsigned long icon)
+{
+	NSLog(@"dw_filesystem_change_file() unimplemented\n");
+}
+/*
+* Sets an item in specified row and column to the given data.
+* Parameters:
+*          handle: Handle to the container window (widget).
+*          pointer: Pointer to the allocated memory in dw_container_alloc().
+*          column: Zero based column of data being set.
+*          row: Zero based row of data being set.
+*          data: Pointer to the data to be added.
+*/
+void API dw_filesystem_set_file(HWND handle, void *pointer, int row, char *filename, unsigned long icon)
+{
+	NSLog(@"dw_filesystem_set_file() unimplemented\n");
+}
+/*
+* Sets an item in specified row and column to the given data.
+* Parameters:
+*          handle: Handle to the container window (widget).
+*          pointer: Pointer to the allocated memory in dw_container_alloc().
+*          column: Zero based column of data being set.
+*          row: Zero based row of data being set.
+*          data: Pointer to the data to be added.
+*/
+void API dw_filesystem_set_item(HWND handle, void *pointer, int column, int row, void *data)
+{
+	NSLog(@"dw_filesystem_set_item() unimplemented\n");
+}
+/*
+* Gets column type for a container column
+* Parameters:
+*          handle: Handle to the container window (widget).
+*          column: Zero based column.
+*/
+int API dw_container_get_column_type(HWND handle, int column)
+{
+	NSLog(@"dw_container_get_column_type() unimplemented\n");
+	return 0;
+}
+/*
+* Gets column type for a filesystem container column
+* Parameters:
+*          handle: Handle to the container window (widget).
+*          column: Zero based column.
+*/
+int API dw_filesystem_get_column_type(HWND handle, int column)
+{
+	NSLog(@"dw_filesystem_get_column_type() unimplemented\n");
+	return 0;
+}
+/*
+* Sets the width of a column in the container.
+* Parameters:
+*          handle: Handle to window (widget) of container.
+*          column: Zero based column of width being set.
+*          width: Width of column in pixels.
+*/
+void API dw_container_set_column_width(HWND handle, int column, int width)
+{
+	NSLog(@"dw_container_set_column_width() unimplemented\n");
+}
+/*
+* Sets the title of a row in the container.
+* Parameters:
+*          pointer: Pointer to the allocated memory in dw_container_alloc().
+*          row: Zero based row of data being set.
+*          title: String title of the item.
+*/
+void API dw_container_set_row_title(void *pointer, int row, char *title)
+{
+	NSLog(@"dw_container_set_row_title() unimplemented\n");
+}
+/*
+* Sets the title of a row in the container.
+* Parameters:
+*          handle: Handle to the container window (widget).
+*          pointer: Pointer to the allocated memory in dw_container_alloc().
+*          rowcount: The number of rows to be inserted.
+*/
+void API dw_container_insert(HWND handle, void *pointer, int rowcount)
+{
+	NSLog(@"dw_container_insert() unimplemented\n");
+}
+/*
+* Removes all rows from a container.
+* Parameters:
+*       handle: Handle to the window (widget) to be cleared.
+*       redraw: TRUE to cause the container to redraw immediately.
+*/
+void API dw_container_clear(HWND handle, int redraw)
+{
+	NSLog(@"dw_container_clear() unimplemented\n");
+}
+/*
+* Removes the first x rows from a container.
+* Parameters:
+*       handle: Handle to the window (widget) to be deleted from.
+*       rowcount: The number of rows to be deleted.
+*/
+void API dw_container_delete(HWND handle, int rowcount)
+{
+	NSLog(@"dw_container_delete() unimplemented\n");
+}
+/*
+* Scrolls container up or down.
+* Parameters:
+*       handle: Handle to the window (widget) to be scrolled.
+*       direction: DW_SCROLL_UP, DW_SCROLL_DOWN, DW_SCROLL_TOP or
+*                  DW_SCROLL_BOTTOM. (rows is ignored for last two)
+*       rows: The number of rows to be scrolled.
+*/
+void API dw_container_scroll(HWND handle, int direction, long rows)
+{
+	NSLog(@"dw_container_scroll() unimplemented\n");
+}
+/*
+* Starts a new query of a container.
+* Parameters:
+*       handle: Handle to the window (widget) to be queried.
+*       flags: If this parameter is DW_CRA_SELECTED it will only
+*              return items that are currently selected.  Otherwise
+*              it will return all records in the container.
+*/
+char * API dw_container_query_start(HWND handle, unsigned long flags)
+{
+	NSLog(@"dw_container_query_start() unimplemented\n");
+	return NULL;
+}
+/*
+* Continues an existing query of a container.
+* Parameters:
+*       handle: Handle to the window (widget) to be queried.
+*       flags: If this parameter is DW_CRA_SELECTED it will only
+*              return items that are currently selected.  Otherwise
+*              it will return all records in the container.
+*/
+char * API dw_container_query_next(HWND handle, unsigned long flags)
+{
+	NSLog(@"dw_container_query_next() unimplemented\n");
+	return NULL;
+}
+/*
+* Cursors the item with the text speficied, and scrolls to that item.
+* Parameters:
+*       handle: Handle to the window (widget) to be queried.
+*       text:  Text usually returned by dw_container_query().
+*/
+void API dw_container_cursor(HWND handle, char *text)
+{
+	NSLog(@"dw_container_cursor() unimplemented\n");
+}
+/*
+* Deletes the item with the text speficied.
+* Parameters:
+*       handle: Handle to the window (widget).
+*       text:  Text usually returned by dw_container_query().
+*/
+void API dw_container_delete_row(HWND handle, char *text)
+{
+	NSLog(@"dw_container_delete_row() unimplemented\n");
+}
+/*
+* Optimizes the column widths so that all data is visible.
+* Parameters:
+*       handle: Handle to the window (widget) to be optimized.
+*/
+void API dw_container_optimize(HWND handle)
+{
+	NSLog(@"dw_container_optimize() unimplemented\n");
+}
+/*
+* Inserts an icon into the taskbar.
+* Parameters:
+*       handle: Window handle that will handle taskbar icon messages.
+*       icon: Icon handle to display in the taskbar.
+*       bubbletext: Text to show when the mouse is above the icon.
+*/
+void API dw_taskbar_insert(HWND handle, unsigned long icon, char *bubbletext)
+{
+	NSLog(@"dw_taskbar_insert() unimplemented\n");
+}
+/*
+* Deletes an icon from the taskbar.
+* Parameters:
+*       handle: Window handle that was used with dw_taskbar_insert().
+*       icon: Icon handle that was used with dw_taskbar_insert().
+*/
+void API dw_taskbar_delete(HWND handle, unsigned long icon)
+{
+	NSLog(@"dw_taskbar_delete() unimplemented\n");
+}
+/*
+* Obtains an icon from a module (or header in GTK).
+* Parameters:
+*          module: Handle to module (DLL) in OS/2 and Windows.
+*          id: A unsigned long id int the resources on OS/2 and
+*              Windows, on GTK this is converted to a pointer
+*              to an embedded XPM.
+*/
+unsigned long API dw_icon_load(unsigned long module, unsigned long id)
+{
+	NSLog(@"dw_icon_load() unimplemented\n");
+	return 0;
+}
+/*
+* Obtains an icon from a file.
+* Parameters:
+*       filename: Name of the file, omit extention to have
+*                 DW pick the appropriate file extension.
+*                 (ICO on OS/2 or Windows, XPM on Unix)
+*/
+unsigned long API dw_icon_load_from_file(char *filename)
+{
+	NSLog(@"dw_icon_load_from_file() unimplemented\n");
+	return 0;
+}
+/*
+* Obtains an icon from data
+* Parameters:
+*       filename: Name of the file, omit extention to have
+*                 DW pick the appropriate file extension.
+*                 (ICO on OS/2 or Windows, XPM on Unix)
+*/
+unsigned long API dw_icon_load_from_data(char *data, int len)
+{
+	NSLog(@"dw_icon_load_from_data() unimplemented\n");
+	return 0;
+}
+/*
+* Frees a loaded resource in OS/2 and Windows.
+* Parameters:
+*          handle: Handle to icon returned by dw_icon_load().
+*/
+void API dw_icon_free(unsigned long handle)
+{
+	NSLog(@"dw_icon_free() unimplemented\n");
+}
+/*
+* Create a new MDI Frame to be packed.
+* Parameters:
+*       id: An ID to be used with dw_window_from_id or 0L.
+*/
+HWND API dw_mdi_new(unsigned long id)
+{
+	NSLog(@"dw_mdi_new() unimplemented\n");
+	return HWND_DESKTOP;
+}
+/*
+* Creates a splitbar window (widget) with given parameters.
+* Parameters:
+*       type: Value can be DW_VERT or DW_HORZ.
+*       topleft: Handle to the window to be top or left.
+*       bottomright:  Handle to the window to be bottom or right.
+* Returns:
+*       A handle to a splitbar window or NULL on failure.
+*/
+HWND API dw_splitbar_new(int type, HWND topleft, HWND bottomright, unsigned long id)
+{
+	NSLog(@"dw_splitbar_new() unimplemented\n");
+	return HWND_DESKTOP;
+}
+/*
+* Sets the position of a splitbar (pecentage).
+* Parameters:
+*       handle: The handle to the splitbar returned by dw_splitbar_new().
+*/
+void API dw_splitbar_set(HWND handle, float percent)
+{
+	NSLog(@"dw_splitbar_set() unimplemented\n");
+}
+/*
+* Gets the position of a splitbar (pecentage).
+* Parameters:
+*       handle: The handle to the splitbar returned by dw_splitbar_new().
+*/
+float API dw_splitbar_get(HWND handle)
+{
+	NSLog(@"dw_splitbar_get() unimplemented\n");
+	return 0.0;
+}
+/*
+* Create a bitmap object to be packed.
+* Parameters:
+*       id: An ID to be used with dw_window_from_id() or 0L.
+*/
+HWND API dw_bitmap_new(ULONG id)
+{
+	NSLog(@"dw_bitmap_new() unimplemented\n");
+	return HWND_DESKTOP;
+}
+/*
+* Creates a pixmap with given parameters.
+* Parameters:
+*       handle: Window handle the pixmap is associated with.
+*       width: Width of the pixmap in pixels.
+*       height: Height of the pixmap in pixels.
+*       depth: Color depth of the pixmap.
+* Returns:
+*       A handle to a pixmap or NULL on failure.
+*/
+HPIXMAP API dw_pixmap_new(HWND handle, unsigned long width, unsigned long height, int depth)
+{
+	NSLog(@"dw_pixmap_new() unimplemented\n");
+	return HWND_DESKTOP;
+}
+/*
+* Creates a pixmap from a file.
+* Parameters:
+*       handle: Window handle the pixmap is associated with.
+*       filename: Name of the file, omit extention to have
+*                 DW pick the appropriate file extension.
+*                 (BMP on OS/2 or Windows, XPM on Unix)
+* Returns:
+*       A handle to a pixmap or NULL on failure.
+*/
+HPIXMAP API dw_pixmap_new_from_file(HWND handle, char *filename)
+{
+	NSLog(@"dw_pixmap_new_from_file() unimplemented\n");
+	return HWND_DESKTOP;
+}
+/*
+* Creates a pixmap from memory.
+* Parameters:
+*       handle: Window handle the pixmap is associated with.
+*       data: Source of the image data
+*                 (BMP on OS/2 or Windows, XPM on Unix)
+*       le: length of data
+* Returns:
+*       A handle to a pixmap or NULL on failure.
+*/
+HPIXMAP API dw_pixmap_new_from_data(HWND handle, char *data, int len)
+{
+	NSLog(@"dw_pixmap_new_from_data() unimplemented\n");
+	return HWND_DESKTOP;
+}
+/*
+* Creates a bitmap mask for rendering bitmaps with transparent backgrounds
+*/
+void API dw_pixmap_set_transparent_color( HPIXMAP pixmap, ULONG color )
+{
+	NSLog(@"dw_pixmap_set_transparent_color() unimplemented\n");
+}
+/*
+* Creates a pixmap from internal resource graphic specified by id.
+* Parameters:
+*       handle: Window handle the pixmap is associated with.
+*       id: Resource ID associated with requested pixmap.
+* Returns:
+*       A handle to a pixmap or NULL on failure.
+*/
+HPIXMAP API dw_pixmap_grab(HWND handle, ULONG id)
+{
+	NSLog(@"dw_pixmap_grab() unimplemented\n");
+	return HWND_DESKTOP;
+}
+/*
+* Destroys an allocated pixmap.
+* Parameters:
+*       pixmap: Handle to a pixmap returned by
+*               dw_pixmap_new..
+*/
+void API dw_pixmap_destroy(HPIXMAP pixmap)
+{
+	NSLog(@"dw_pixmap_destroy() unimplemented\n");
+}
+/*
+* Copies from one item to another.
+* Parameters:
+*       dest: Destination window handle.
+*       destp: Destination pixmap. (choose only one).
+*       xdest: X coordinate of destination.
+*       ydest: Y coordinate of destination.
+*       width: Width of area to copy.
+*       height: Height of area to copy.
+*       src: Source window handle.
+*       srcp: Source pixmap. (choose only one).
+*       xsrc: X coordinate of source.
+*       ysrc: Y coordinate of source.
+*/
+void API dw_pixmap_bitblt(HWND dest, HPIXMAP destp, int xdest, int ydest, int width, int height, HWND src, HPIXMAP srcp, int xsrc, int ysrc)
+{
+	NSLog(@"dw_pixmap_bitblt() unimplemented\n");
+}
+/*
+* Create a new static text window (widget) to be packed.
+* Not available under OS/2, eCS
+* Parameters:
+*       text: The text to be display by the static text widget.
+*       id: An ID to be used with dw_window_from_id() or 0L.
+*/
+HWND API dw_calendar_new(ULONG id)
+{
+	NSLog(@"dw_calendar_new() unimplemented\n");
+	return HWND_DESKTOP;
+}
+/*
+* Sets the current date of a calendar
+* Parameters:
+*       handle: The handle to the calendar returned by dw_calendar_new().
+*       year...
+*/
+void dw_calendar_set_date(HWND handle, unsigned int year, unsigned int month, unsigned int day)
+{
+	NSLog(@"dw_calendar_set_date() unimplemented\n");
+}
+/*
+* Gets the position of a splitbar (pecentage).
+* Parameters:
+*       handle: The handle to the splitbar returned by dw_splitbar_new().
+*/
+void dw_calendar_get_date(HWND handle, unsigned int *year, unsigned int *month, unsigned int *day)
+{
+	NSLog(@"dw_calendar_get_date() unimplemented\n");
+}
+/*
+* Causes the embedded HTML widget to take action.
+* Parameters:
+*       handle: Handle to the window.
+*       action: One of the DW_HTML_* constants.
+*/
+void API dw_html_action(HWND handle, int action)
+{
+	NSLog(@"dw_html_action() unimplemented\n");
+}
+/*
+* Render raw HTML code in the embedded HTML widget..
+* Parameters:
+*       handle: Handle to the window.
+*       string: String buffer containt HTML code to
+*               be rendered.
+* Returns:
+*       0 on success.
+*/
+int API dw_html_raw(HWND handle, char *string)
+{
+	WebView *html = handle;
+	[[html mainFrame] loadHTMLString:[ NSString stringWithUTF8String:string ] baseURL:nil];
+	return 0;
+}
+/*
+* Render file or web page in the embedded HTML widget..
+* Parameters:
+*       handle: Handle to the window.
+*       url: Universal Resource Locator of the web or
+*               file object to be rendered.
+* Returns:
+*       0 on success.
+*/
+int API dw_html_url(HWND handle, char *url)
+{
+	WebView *html = handle;
+	[[html mainFrame] loadRequest:[NSURLRequest requestWithURL:[NSURL URLWithString:[ NSString stringWithUTF8String:url ]]]];
+	return 0;
+}
+/*
+* Create a new HTML window (widget) to be packed.
+* Not available under OS/2, eCS
+* Parameters:
+*       text: The default text to be in the entryfield widget.
+*       id: An ID to be used with dw_window_from_id() or 0L.
+*/
+HWND API dw_html_new(unsigned long id)
+{
+	WebView *web = [[WebView alloc] init];
+	return web;
+}
+/*
+* Call a function from the window (widget)'s context.
+* Parameters:
+*       handle: Window handle of the widget.
+*       function: Function pointer to be called.
+*       data: Pointer to the data to be passed to the function.
+*/
+void API dw_window_function(HWND handle, void *function, void *data)
+{
+	NSLog(@"dw_window_function() unimplemented\n");
+}
+/*
+* Returns the current X and Y coordinates of the mouse pointer.
+* Parameters:
+*       x: Pointer to variable to store X coordinate.
+*       y: Pointer to variable to store Y coordinate.
+*/
+void API dw_pointer_query_pos(long *x, long *y)
+{
+NSPoint mouseLoc;
+mouseLoc = [NSEvent mouseLocation];
+	if(x)
+	{
+		*x = mouseLoc.x;
+	}
+	if(y)
+	{
+		*y = mouseLoc.y;
+	}
+}
+/*
+* Sets the X and Y coordinates of the mouse pointer.
+* Parameters:
+*       x: X coordinate.
+*       y: Y coordinate.
+*/
+void API dw_pointer_set_pos(long x, long y)
+{
+	NSLog(@"dw_pointer_set_pos() unimplemented\n");
+}
+/*
+* Create a menu object to be popped up.
+* Parameters:
+*       id: An ID to be used for getting the resource from the
+*           resource file.
+*/
+HMENUI API dw_menu_new(ULONG id)
+{
+	NSMenu *menu = [[[NSMenu alloc] initWithTitle:@"Apple"] autorelease];
+	return menu;
+}
+/*
+* Create a menubar on a window.
+* Parameters:
+*       location: Handle of a window frame to be attached to.
+*/
+HMENUI API dw_menubar_new(HWND location)
+{
+	NSLog(@"dw_menubar_new() unimplemented\n");
+	return HWND_DESKTOP;
+}
+/*
+* Destroys a menu created with dw_menubar_new or dw_menu_new.
+* Parameters:
+*       menu: Handle of a menu.
+*/
+void API dw_menu_destroy(HMENUI *menu)
+{
+	NSMenu *thismenu = *menu;
+	[thismenu dealloc];
+}
+/*
+* Pops up a context menu at given x and y coordinates.
+* Parameters:
+*       menu: The handle the the existing menu.
+*       parent: Handle to the window initiating the popup.
+*       x: X coordinate.
+*       y: Y coordinate.
+*/
+void API dw_menu_popup(HMENUI *menu, HWND parent, int x, int y)
+{
+	NSMenu *thismenu = (NSMenu *)menu;
+	NSView *view = parent;
+	NSEvent* fake = [[NSEvent alloc]
+					mouseEventWithType:NSLeftMouseDown
+					location:NSMakePoint(x,y)
+					modifierFlags:0
+					timestamp:1
+					windowNumber:[[view window] windowNumber]
+					context:[NSGraphicsContext currentContext]
+					eventNumber:1
+					clickCount:1
+					pressure:0.0];
+	[NSMenu popUpContextMenu:thismenu withEvent:fake forView:view];
+}
+char _removetilde(char *dest, char *src)
+{
+	int z, cur=0;
+	char accel = '\0';
+	for(z=0;z<strlen(src);z++)
+	{
+		if(src[z] != '~')
+		{
+			dest[cur] = src[z];
+			cur++;
+		}
+		else
+		{
+			dest[cur] = '_';
+			accel = src[z+1];
+			cur++;
+		}
+	}
+	dest[cur] = 0;
+	return accel;
+}
+/*
+* Adds a menuitem or submenu to an existing menu.
+* Parameters:
+*       menu: The handle the the existing menu.
+*       title: The title text on the menu item to be added.
+*       id: An ID to be used for message passing.
+*       flags: Extended attributes to set on the menu.
+*       end: If TRUE memu is positioned at the end of the menu.
+*       check: If TRUE menu is "check"able.
+*       flags: Extended attributes to set on the menu.
+*       submenu: Handle to an existing menu to be a submenu or NULL.
+*/
+HWND API dw_menu_append_item(HMENUI menux, char *title, ULONG id, ULONG flags, int end, int check, HMENUI submenu)
+{
+	NSMenu *menu = menux;
+	NSMenuItem *item = NULL;
+	if(strlen(title) == 0)
+	{
+		[menu addItem:[NSMenuItem separatorItem]];
+	}
+	else
+	{
+		char accel[2];
+		char *newtitle = malloc(strlen(title)+1);
+		accel[0] = _removetilde(newtitle, title);
+		accel[1] = 0;
+		item = [menu addItemWithTitle:[ NSString stringWithUTF8String:newtitle ]
+													action:NULL
+													keyEquivalent:[ NSString stringWithUTF8String:accel ]];
+		free(newtitle);
+		return item;
+	}
+	return item;
+}
+/*
+* Sets the state of a menu item check.
+* Deprecated; use dw_menu_item_set_state()
+* Parameters:
+*       menu: The handle the the existing menu.
+*       id: Menuitem id.
+*       check: TRUE for checked FALSE for not checked.
+*/
+void API dw_menu_item_set_check(HMENUI menux, unsigned long id, int check)
+{
+	NSLog(@"dw_menu_item_set_check() unimplemented\n");
+}
+/*
+* Sets the state of a menu item.
+* Parameters:
+*       menu: The handle to the existing menu.
+*       id: Menuitem id.
+*       flags: DW_MIS_ENABLED/DW_MIS_DISABLED
+*              DW_MIS_CHECKED/DW_MIS_UNCHECKED
+*/
+void API dw_menu_item_set_state( HMENUI menux, unsigned long id, unsigned long state)
+{
+	NSLog(@"dw_menu_item_set_state() unimplemented\n");
+}
+/*
+* Create a notebook object to be packed.
+* Parameters:
+*       id: An ID to be used for getting the resource from the
+*           resource file.
+*/
+HWND API dw_notebook_new(ULONG id, int top)
+{
+	NSLog(@"dw_notebook_new() unimplemented\n");
+	return HWND_DESKTOP;
+}
+/*
+* Adds a new page to specified notebook.
+* Parameters:
+*          handle: Window (widget) handle.
+*          flags: Any additional page creation flags.
+*          front: If TRUE page is added at the beginning.
+*/
+unsigned long API dw_notebook_page_new(HWND handle, ULONG flags, int front)
+{
+	NSLog(@"dw_notebook_page_new() unimplemented\n");
+	return 0;
+}
+/*
+* Remove a page from a notebook.
+* Parameters:
+*          handle: Handle to the notebook widget.
+*          pageid: ID of the page to be destroyed.
+*/
+void API dw_notebook_page_destroy(HWND handle, unsigned int pageid)
+{
+	NSLog(@"dw_notebook_page_destroy() unimplemented\n");
+}
+/*
+* Queries the currently visible page ID.
+* Parameters:
+*          handle: Handle to the notebook widget.
+*/
+unsigned long API dw_notebook_page_get(HWND handle)
+{
+	NSLog(@"dw_notebook_page_get() unimplemented\n");
+	return 0;
+}
+/*
+* Sets the currently visibale page ID.
+* Parameters:
+*          handle: Handle to the notebook widget.
+*          pageid: ID of the page to be made visible.
+*/
+void API dw_notebook_page_set(HWND handle, unsigned int pageid)
+{
+	NSLog(@"dw_notebook_page_set() unimplemented\n");
+}
+/*
+* Sets the text on the specified notebook tab.
+* Parameters:
+*          handle: Notebook handle.
+*          pageid: Page ID of the tab to set.
+*          text: Pointer to the text to set.
+*/
+void API dw_notebook_page_set_text(HWND handle, ULONG pageid, char *text)
+{
+	NSLog(@"dw_notebook_page_set_text() unimplemented\n");
+}
+/*
+* Sets the text on the specified notebook tab status area.
+* Parameters:
+*          handle: Notebook handle.
+*          pageid: Page ID of the tab to set.
+*          text: Pointer to the text to set.
+*/
+void API dw_notebook_page_set_status_text(HWND handle, ULONG pageid, char *text)
+{
+	NSLog(@"dw_notebook_page_set_status_text() unimplemented\n");
+}
+/*
+* Packs the specified box into the notebook page.
+* Parameters:
+*          handle: Handle to the notebook to be packed.
+*          pageid: Page ID in the notebook which is being packed.
+*          page: Box handle to be packed.
+*/
+void API dw_notebook_pack(HWND handle, ULONG pageid, HWND page)
+{
+	NSLog(@"dw_notebook_pack() unimplemented\n");
+}
+/*
+* Create a new Window Frame.
+* Parameters:
+*       owner: The Owner's window handle or HWND_DESKTOP.
+*       title: The Window title.
+*       flStyle: Style flags, see the PM reference.
+*/
+HWND API dw_window_new(HWND hwndOwner, char *title, ULONG flStyle)
+{
+	NSRect frame = NSMakeRect(1,1,1,1);
+NSWindow *window = [[NSWindow alloc]
+						initWithContentRect:frame
+						styleMask:flStyle
+						backing:NSBackingStoreBuffered
+						defer:false];
+[window setTitle:[ NSString stringWithUTF8String:title ]];
+DWView *view = [[DWView alloc] init];
+[window setContentView:view];
+[window setDelegate:view];
+[window makeKeyAndOrderFront:nil];
+	return (HWND)window;
+}
+/*
+* Changes the appearance of the mouse pointer.
+* Parameters:
+*       handle: Handle to widget for which to change.
+*       cursortype: ID of the pointer you want.
+*/
+void API dw_window_set_pointer(HWND handle, int pointertype)
+{
+	NSLog(@"dw_window_set_pointer() unimplemented\n");
+}
+/*
+* Makes the window visible.
+* Parameters:
+*           handle: The window handle to make visible.
+*/
+int API dw_window_show(HWND handle)
+{
+	NSObject *object = handle;
+	if([ object isKindOfClass:[ NSWindow class ] ])
+	{
+		NSWindow *window = handle;
+		if([window isMiniaturized])
+		{
+			[window deminiaturize:nil];
+		}
+		[[window contentView] windowResized:nil];
+	}
+	return 0;
+}
+/*
+* Makes the window invisible.
+* Parameters:
+*           handle: The window handle to make visible.
+*/
+int API dw_window_hide(HWND handle)
+{
+	NSLog(@"dw_window_hide() unimplemented\n");
+	return 0;
+}
+/*
+* Sets the colors used by a specified window (widget) handle.
+* Parameters:
+*          handle: The window (widget) handle.
+*          fore: Foreground color in DW_RGB format or a default color index.
+*          back: Background color in DW_RGB format or a default color index.
+*/
+int API dw_window_set_color(HWND handle, ULONG fore, ULONG back)
+{
+	NSLog(@"dw_window_set_color() unimplemented\n");
+	return -1;
+}
+/*
+* Sets the font used by a specified window (widget) handle.
+* Parameters:
+*          handle: The window (widget) handle.
+*          border: Size of the window border in pixels.
+*/
+int API dw_window_set_border(HWND handle, int border)
+{
+	NSLog(@"dw_window_set_border() unimplemented\n");
+	return 0;
+}
+/*
+* Sets the style of a given window (widget).
+* Parameters:
+*          handle: Window (widget) handle.
+*          width: New width in pixels.
+*          height: New height in pixels.
+*/
+void API dw_window_set_style(HWND handle, ULONG style, ULONG mask)
+{
+	NSLog(@"dw_window_set_style() unimplemented\n");
+}
+/*
+* Sets the default focus item for a window/dialog.
+* Parameters:
+*         window: Toplevel window or dialog.
+*         defaultitem: Handle to the dialog item to be default.
+*/
+void API dw_window_default(HWND window, HWND defaultitem)
+{
+	NSLog(@"dw_window_default() unimplemented\n");
+}
+/*
+* Sets window to click the default dialog item when an ENTER is pressed.
+* Parameters:
+*         window: Window (widget) to look for the ENTER press.
+*         next: Window (widget) to move to next (or click)
+*/
+void API dw_window_click_default(HWND window, HWND next)
+{
+	NSLog(@"dw_window_click_default() unimplemented\n");
+}
+/*
+* Captures the mouse input to this window.
+* Parameters:
+*       handle: Handle to receive mouse input.
+*/
+void API dw_window_capture(HWND handle)
+{
+	NSLog(@"dw_window_capture() unimplemented\n");
+}
+/*
+* Releases previous mouse capture.
+*/
+void API dw_window_release(void)
+{
+	NSLog(@"dw_window_release() unimplemented\n");
+}
+/*
+* Tracks this window movement.
+* Parameters:
+*       handle: Handle to frame to be tracked.
+*/
+void API dw_window_track(HWND handle)
+{
+	NSLog(@"dw_window_track() unimplemented\n");
+}
+/*
+* Changes a window's parent to newparent.
+* Parameters:
+*           handle: The window handle to destroy.
+*           newparent: The window's new parent window.
+*/
+void API dw_window_reparent(HWND handle, HWND newparent)
+{
+	/* Is this even possible? */
+	NSLog(@"dw_window_reparent() unimplemented\n");
+}
+/*
+* Sets the font used by a specified window (widget) handle.
+* Parameters:
+*          handle: The window (widget) handle.
+*          fontname: Name and size of the font in the form "size.fontname"
+*/
+int API dw_window_set_font(HWND handle, char *fontname)
+{
+	NSLog(@"dw_window_set_font() unimplemented\n");
+	return 0;
+}
+/*
+* Destroys a window and all of it's children.
+* Parameters:
+*           handle: The window handle to destroy.
+*/
+int API dw_window_destroy(HWND handle)
+{
+	NSObject *object = handle;
+	if([ object isKindOfClass:[ NSWindow class ] ])
+	{
+		NSWindow *window = handle;
+		[window close];
+	}
+	return 0;
+}
+/*
+* Gets the text used for a given window.
+* Parameters:
+*       handle: Handle to the window.
+* Returns:
+*       text: The text associsated with a given window.
+*/
+char * API dw_window_get_text(HWND handle)
+{
+	NSObject *object = handle;
+	if([ object isKindOfClass:[ NSControl class ] ])
+	{
+		NSControl *control = handle;
+		NSString *nsstr = [ control stringValue];
+		return strdup([ nsstr UTF8String ]);
+	}
+	else if([ object isKindOfClass:[ NSWindow class ] ])
+	{
+		NSWindow *window = handle;
+		NSString *nsstr = [ window title];
+		return strdup([ nsstr UTF8String ]);
+	}
+	return NULL;
+}
+/*
+* Sets the text used for a given window.
+* Parameters:
+*       handle: Handle to the window.
+*       text: The text associsated with a given window.
+*/
+void API dw_window_set_text(HWND handle, char *text)
+{
+	NSObject *object = handle;
+	if([ object isKindOfClass:[ NSControl class ] ])
+	{
+		NSControl *control = handle;
+		[control setStringValue:[ NSString stringWithUTF8String:text ]];
+	}
+	else if([ object isKindOfClass:[ NSWindow class ] ])
+	{
+		NSWindow *window = handle;
+		[window setTitle:[ NSString stringWithUTF8String:text ]];
+	}
+}
+/*
+* Disables given window (widget).
+* Parameters:
+*       handle: Handle to the window.
+*/
+void API dw_window_disable(HWND handle)
+{
+	NSObject *object = handle;
+	if([ object isKindOfClass:[ NSControl class ] ])
+	{
+		NSControl *control = handle;
+		[control setEnabled:NO];
+	}
+}
+/*
+* Enables given window (widget).
+* Parameters:
+*       handle: Handle to the window.
+*/
+void API dw_window_enable(HWND handle)
+{
+	NSObject *object = handle;
+	if([ object isKindOfClass:[ NSControl class ] ])
+	{
+		NSControl *control = handle;
+		[control setEnabled:YES];
+	}
+}
+/*
+* Sets the bitmap used for a given static window.
+* Parameters:
+*       handle: Handle to the window.
+*       id: An ID to be used to specify the icon,
+*           (pass 0 if you use the filename param)
+*       filename: a path to a file (Bitmap on OS/2 or
+*                 Windows and a pixmap on Unix, pass
+*                 NULL if you use the id param)
+*/
+void API dw_window_set_bitmap_from_data(HWND handle, unsigned long id, char *data, int len)
+{
+	NSLog(@"dw_window_set_bitmap_from_data() unimplemented\n");
+}
+/*
+* Sets the bitmap used for a given static window.
+* Parameters:
+*       handle: Handle to the window.
+*       id: An ID to be used to specify the icon,
+*           (pass 0 if you use the filename param)
+*       filename: a path to a file (Bitmap on OS/2 or
+*                 Windows and a pixmap on Unix, pass
+*                 NULL if you use the id param)
+*/
+void API dw_window_set_bitmap(HWND handle, unsigned long id, char *filename)
+{
+	NSLog(@"dw_window_set_bitmap() unimplemented\n");
+}
+/*
+* Sets the icon used for a given window.
+* Parameters:
+*       handle: Handle to the window.
+*       id: An ID to be used to specify the icon.
+*/
+void API dw_window_set_icon(HWND handle, ULONG id)
+{
+	NSLog(@"dw_window_set_icon() unimplemented\n");
+}
+/*
+* Gets the child window handle with specified ID.
+* Parameters:
+*       handle: Handle to the parent window.
+*       id: Integer ID of the child.
+*/
+HWND API dw_window_from_id(HWND handle, int id)
+{
+	NSObject *object = handle;
+	NSView *view = handle;
+	if([ object isKindOfClass:[ NSWindow class ] ])
+	{
+		NSWindow *window = handle;
+		view = [window contentView];
+	}
+	return [view viewWithTag:id];
+}
+/*
+* Minimizes or Iconifies a top-level window.
+* Parameters:
+*           handle: The window handle to minimize.
+*/
+int API dw_window_minimize(HWND handle)
+{
+	NSWindow *window = handle;
+	[window miniaturize:nil];
+	return 0;
+}
+/* Causes entire window to be invalidated and redrawn.
+* Parameters:
+*           handle: Toplevel window handle to be redrawn.
+*/
+void API dw_window_redraw(HWND handle)
+{
+	NSWindow *window = handle;
+	[window flushWindow];
+}
+/*
+* Makes the window topmost.
+* Parameters:
+*           handle: The window handle to make topmost.
+*/
+int API dw_window_raise(HWND handle)
+{
+	NSWindow *window = handle;
+	[window orderFront:nil];
+	return 0;
+}
+/*
+* Makes the window bottommost.
+* Parameters:
+*           handle: The window handle to make bottommost.
+*/
+int API dw_window_lower(HWND handle)
+{
+	NSWindow *window = handle;
+	[window orderBack:nil];
+	return 0;
+}
+/*
+* Sets the size of a given window (widget).
+* Parameters:
+*          handle: Window (widget) handle.
+*          width: New width in pixels.
+*          height: New height in pixels.
+*/
+void API dw_window_set_size(HWND handle, ULONG width, ULONG height)
+{
+	NSObject *object = handle;
+	NSSize size;
+	size.width = width;
+	size.height = height;
+	if([ object isKindOfClass:[ NSWindow class ] ])
+	{
+		NSWindow *window = handle;
+		[window setContentSize:size];
+	}
+}
+/*
+* Sets the position of a given window (widget).
+* Parameters:
+*          handle: Window (widget) handle.
+*          x: X location from the bottom left.
+*          y: Y location from the bottom left.
+*/
+void API dw_window_set_pos(HWND handle, LONG x, LONG y)
+{
+	NSObject *object = handle;
+	NSPoint point;
+	point.x = x;
+	point.y = y;
+	if([ object isKindOfClass:[ NSWindow class ] ])
+	{
+		NSWindow *window = handle;
+		[window setFrameOrigin:point];
+	}
+}
+/*
+* Sets the position and size of a given window (widget).
+* Parameters:
+*          handle: Window (widget) handle.
+*          x: X location from the bottom left.
+*          y: Y location from the bottom left.
+*          width: Width of the widget.
+*          height: Height of the widget.
+*/
+void API dw_window_set_pos_size(HWND handle, LONG x, LONG y, ULONG width, ULONG height)
+{
+	dw_window_set_pos(handle, x, y);
+	dw_window_set_size(handle, width, height);
+}
+/*
+* Gets the position and size of a given window (widget).
+* Parameters:
+*          handle: Window (widget) handle.
+*          x: X location from the bottom left.
+*          y: Y location from the bottom left.
+*          width: Width of the widget.
+*          height: Height of the widget.
+*/
+void API dw_window_get_pos_size(HWND handle, LONG *x, LONG *y, ULONG *width, ULONG *height)
+{
+	NSObject *object = handle;
+	if([ object isKindOfClass:[ NSWindow class ] ])
+	{
+		NSWindow *window = handle;
+		NSRect rect = [window frame];
+		if(x)
+			*x = rect.origin.x;
+		if(y)
+			*y = rect.origin.y;
+		if(width)
+			*width = rect.size.width;
+		if(height)
+			*height = rect.size.height;
+		return;
+	}
+}
+/*
+* Returns the width of the screen.
+*/
+int API dw_screen_width(void)
+{
+	NSRect screenRect = [[NSScreen mainScreen] frame];
+	return screenRect.size.width;
+}
+/*
+* Returns the height of the screen.
+*/
+int API dw_screen_height(void)
+{
+	NSRect screenRect = [[NSScreen mainScreen] frame];
+	return screenRect.size.height;
+}
+/* This should return the current color depth */
+unsigned long API dw_color_depth_get(void)
+{
+	NSWindowDepth screenDepth = [[NSScreen mainScreen] depth];
+	return NSBitsPerPixelFromDepth(screenDepth);
+}
+/*
+* Returns some information about the current operating environment.
+* Parameters:
+*       env: Pointer to a DWEnv struct.
+*/
+void dw_environment_query(DWEnv *env)
+{
+	struct utsname name;
+	char tempbuf[100];
+	int len, z;
+	uname(&name);
+	strcpy(env->osName, name.sysname);
+	strcpy(tempbuf, name.release);
+	env->MajorBuild = env->MinorBuild = 0;
+	len = strlen(tempbuf);
+	strcpy(env->buildDate, __DATE__);
+	strcpy(env->buildTime, __TIME__);
+	env->DWMajorVersion = DW_MAJOR_VERSION;
+	env->DWMinorVersion = DW_MINOR_VERSION;
+	env->DWSubVersion = DW_SUB_VERSION;
+	for(z=1;z<len;z++)
+	{
+		if(tempbuf[z] == '.')
+		{
+			tempbuf[z] = '\0';
+			env->MajorVersion = atoi(&tempbuf[z-1]);
+			env->MinorVersion = atoi(&tempbuf[z+1]);
+			return;
+		}
+	}
+	env->MajorVersion = atoi(tempbuf);
+	env->MinorVersion = 0;
+}
+/*
+* Emits a beep.
+* Parameters:
+*       freq: Frequency.
+*       dur: Duration.
+*/
+void API dw_beep(int freq, int dur)
+{
+	NSLog(@"dw_beep() unimplemented\n");
+}
+/* Call this after drawing to the screen to make sure
+* anything you have drawn is visible.
+*/
+void API dw_flush(void)
+{
+}
+/*
+* Add a named user data item to a window handle.
+* Parameters:
+*       window: Window handle of signal to be called back.
+*       dataname: A string pointer identifying which signal to be hooked.
+*       data: User data to be passed to the handler function.
+*/
+void dw_window_set_data(HWND window, char *dataname, void *data)
+{
+	NSLog(@"dw_window_set_data() unimplemented\n");
+}
+/*
+* Gets a named user data item to a window handle.
+* Parameters:
+*       window: Window handle of signal to be called back.
+*       dataname: A string pointer identifying which signal to be hooked.
+*       data: User data to be passed to the handler function.
+*/
+void *dw_window_get_data(HWND window, char *dataname)
+{
+	NSLog(@"dw_window_get_data() unimplemented\n");
+	return NULL;
+}
+/*
+* Add a callback to a timer event.
+* Parameters:
+*       interval: Milliseconds to delay between calls.
+*       sigfunc: The pointer to the function to be used as the callback.
+*       data: User data to be passed to the handler function.
+* Returns:
+*       Timer ID for use with dw_timer_disconnect(), 0 on error.
+*/
+int API dw_timer_connect(int interval, void *sigfunc, void *data)
+{
+	NSLog(@"dw_timer_connect() unimplemented\n");
+	if(sigfunc)
+	{
+		int timerid = 0;
+		/* = WinStartTimer(dwhab, NULLHANDLE, 0, interval)*/
+		if(timerid)
+		{
+			_new_signal(0, HWND_DESKTOP, timerid, sigfunc, data);
+			return timerid;
+		}
+	}
+	return 0;
+}
+/*
+* Removes timer callback.
+* Parameters:
+*       id: Timer ID returned by dw_timer_connect().
+*/
+void API dw_timer_disconnect(int id)
+{
+	SignalHandler *prev = NULL, *tmp = Root;
+	NSLog(@"dw_timer_disconnect() unimplemented\n");
+	/* 0 is an invalid timer ID */
+	if(!id)
+		return;
+	/*WinStopTimer(dwhab, NULLHANDLE, id);*/
+	while(tmp)
+	{
+		if(tmp->id == id)
+		{
+			if(prev)
+			{
+				prev->next = tmp->next;
+				free(tmp);
+				tmp = prev->next;
+			}
+			else
+			{
+				Root = tmp->next;
+				free(tmp);
+				tmp = Root;
+			}
+		}
+		else
+		{
+			prev = tmp;
+			tmp = tmp->next;
+		}
+	}
+}
+/*
+* Add a callback to a window event.
+* Parameters:
+*       window: Window handle of signal to be called back.
+*       signame: A string pointer identifying which signal to be hooked.
+*       sigfunc: The pointer to the function to be used as the callback.
+*       data: User data to be passed to the handler function.
+*/
+void API dw_signal_connect(HWND window, char *signame, void *sigfunc, void *data)
+{
+	ULONG message = 0, id = 0;
+	if(window && signame && sigfunc)
+	{
+		if((message = _findsigmessage(signame)) != 0)
+		{
+			_new_signal(message, window, id, sigfunc, data);
+		}
+	}
+}
+/*
+* Removes callbacks for a given window with given name.
+* Parameters:
+*       window: Window handle of callback to be removed.
+*/
+void API dw_signal_disconnect_by_name(HWND window, char *signame)
+{
+	SignalHandler *prev = NULL, *tmp = Root;
+	ULONG message;
+	if(!window || !signame || (message = _findsigmessage(signame)) == 0)
+		return;
+	while(tmp)
+	{
+		if(tmp->window == window && tmp->message == message)
+		{
+			if(prev)
+			{
+				prev->next = tmp->next;
+				free(tmp);
+				tmp = prev->next;
+			}
+			else
+			{
+				Root = tmp->next;
+				free(tmp);
+				tmp = Root;
+			}
+		}
+		else
+		{
+			prev = tmp;
+			tmp = tmp->next;
+		}
+	}
+}
+/*
+* Removes all callbacks for a given window.
+* Parameters:
+*       window: Window handle of callback to be removed.
+*/
+void API dw_signal_disconnect_by_window(HWND window)
+{
+	SignalHandler *prev = NULL, *tmp = Root;
+	while(tmp)
+	{
+		if(tmp->window == window)
+		{
+			if(prev)
+			{
+				prev->next = tmp->next;
+				free(tmp);
+				tmp = prev->next;
+			}
+			else
+			{
+				Root = tmp->next;
+				free(tmp);
+				tmp = Root;
+			}
+		}
+		else
+		{
+			prev = tmp;
+			tmp = tmp->next;
+		}
+	}
+}
+/*
+* Removes all callbacks for a given window with specified data.
+* Parameters:
+*       window: Window handle of callback to be removed.
+*       data: Pointer to the data to be compared against.
+*/
+void API dw_signal_disconnect_by_data(HWND window, void *data)
+{
+	SignalHandler *prev = NULL, *tmp = Root;
+	while(tmp)
+	{
+		if(tmp->window == window && tmp->data == data)
+		{
+			if(prev)
+			{
+				prev->next = tmp->next;
+				free(tmp);
+				tmp = prev->next;
+			}
+			else
+			{
+				Root = tmp->next;
+				free(tmp);
+				tmp = Root;
+			}
+		}
+		else
+		{
+			prev = tmp;
+			tmp = tmp->next;
+		}
+	}
+}
+void _my_strlwr(char *buf)
+{
+int z, len = strlen(buf);
+for(z=0;z<len;z++)
+{
+if(buf[z] >= 'A' && buf[z] <= 'Z')
+buf[z] -= 'A' - 'a';
+}
+}
+/* Open a shared library and return a handle.
+* Parameters:
+*         name: Base name of the shared library.
+*         handle: Pointer to a module handle,
+*                 will be filled in with the handle.
+*/
+int dw_module_load(char *name, HMOD *handle)
+{
+int len;
+char *newname;
+char errorbuf[1024];
+if(!handle)
+return -1;
+if((len = strlen(name)) == 0)
+return   -1;
+/* Lenth + "lib" + ".dylib" + NULL */
+newname = malloc(len + 10);
+if(!newname)
+return -1;
+sprintf(newname, "lib%s.dylib", name);
+_my_strlwr(newname);
+*handle = dlopen(newname, RTLD_NOW);
+if(*handle == NULL)
+{
+strncpy(errorbuf, dlerror(), 1024);
+printf("%s\n", errorbuf);
+sprintf(newname, "lib%s.dylib", name);
+*handle = dlopen(newname, RTLD_NOW);
+}
+free(newname);
+return (NULL == *handle) ? -1 : 0;
+}
+/* Queries the address of a symbol within open handle.
+* Parameters:
+*         handle: Module handle returned by dw_module_load()
+*         name: Name of the symbol you want the address of.
+*         func: A pointer to a function pointer, to obtain
+*               the address.
+*/
+int dw_module_symbol(HMOD handle, char *name, void**func)
+{
+if(!func || !name)
+return   -1;
+if(strlen(name) == 0)
+return   -1;
+*func = (void*)dlsym(handle, name);
+return   (NULL == *func);
+}
+/* Frees the shared library previously opened.
+* Parameters:
+*         handle: Module handle returned by dw_module_load()
+*/
+int dw_module_close(HMOD handle)
+{
+if(handle)
+return dlclose(handle);
+return 0;
+}
+/*
+* Returns the handle to an unnamed mutex semaphore.
+*/
+HMTX dw_mutex_new(void)
+{
+HMTX mutex = malloc(sizeof(pthread_mutex_t));
+pthread_mutex_init(mutex, NULL);
+return mutex;
+}
+/*
+* Closes a semaphore created by dw_mutex_new().
+* Parameters:
+*       mutex: The handle to the mutex returned by dw_mutex_new().
+*/
+void dw_mutex_close(HMTX mutex)
+{
+if(mutex)
+{
+pthread_mutex_destroy(mutex);
+free(mutex);
+}
+}
+/*
+* Tries to gain access to the semaphore, if it can't it blocks.
+* Parameters:
+*       mutex: The handle to the mutex returned by dw_mutex_new().
+*/
+void dw_mutex_lock(HMTX mutex)
+{
+pthread_mutex_lock(mutex);
+}
+/*
+* Reliquishes the access to the semaphore.
+* Parameters:
+*       mutex: The handle to the mutex returned by dw_mutex_new().
+*/
+void dw_mutex_unlock(HMTX mutex)
+{
+pthread_mutex_unlock(mutex);
+}
+/*
+* Returns the handle to an unnamed event semaphore.
+*/
+HEV dw_event_new(void)
+{
+HEV eve = (HEV)malloc(sizeof(struct _dw_unix_event));
+if(!eve)
+return NULL;
+/* We need to be careful here, mutexes on Linux are
+* FAST by default but are error checking on other
+* systems such as FreeBSD and OS/2, perhaps others.
+*/
+pthread_mutex_init (&(eve->mutex), NULL);
+pthread_mutex_lock (&(eve->mutex));
+pthread_cond_init (&(eve->event), NULL);
+pthread_mutex_unlock (&(eve->mutex));
+eve->alive = 1;
+eve->posted = 0;
+return eve;
+}
+/*
+* Resets a semaphore created by dw_event_new().
+* Parameters:
+*       eve: The handle to the event returned by dw_event_new().
+*/
+int dw_event_reset (HEV eve)
+{
+if(!eve)
+return FALSE;
+pthread_mutex_lock (&(eve->mutex));
+pthread_cond_broadcast (&(eve->event));
+pthread_cond_init (&(eve->event), NULL);
+eve->posted = 0;
+pthread_mutex_unlock (&(eve->mutex));
+return 0;
+}
+/*
+* Posts a semaphore created by dw_event_new(). Causing all threads
+* waiting on this event in dw_event_wait to continue.
+* Parameters:
+*       eve: The handle to the event returned by dw_event_new().
+*/
+int dw_event_post (HEV eve)
+{
+if(!eve)
+return FALSE;
+pthread_mutex_lock (&(eve->mutex));
+pthread_cond_broadcast (&(eve->event));
+eve->posted = 1;
+pthread_mutex_unlock (&(eve->mutex));
+return 0;
+}
+/*
+* Waits on a semaphore created by dw_event_new(), until the
+* event gets posted or until the timeout expires.
+* Parameters:
+*       eve: The handle to the event returned by dw_event_new().
+*/
+int dw_event_wait(HEV eve, unsigned long timeout)
+{
+int rc;
+struct timeval now;
+struct timespec timeo;
+if(!eve)
+return FALSE;
+if(eve->posted)
+return 0;
+pthread_mutex_lock (&(eve->mutex));
+gettimeofday(&now, 0);
+timeo.tv_sec = now.tv_sec + (timeout / 1000);
+timeo.tv_nsec = now.tv_usec * 1000;
+rc = pthread_cond_timedwait (&(eve->event), &(eve->mutex), &timeo);
+pthread_mutex_unlock (&(eve->mutex));
+if(!rc)
+return 1;
+if(rc == ETIMEDOUT)
+return -1;
+return 0;
+}
+/*
+* Closes a semaphore created by dw_event_new().
+* Parameters:
+*       eve: The handle to the event returned by dw_event_new().
+*/
+int dw_event_close(HEV *eve)
+{
+if(!eve || !(*eve))
+return FALSE;
+pthread_mutex_lock (&((*eve)->mutex));
+pthread_cond_destroy (&((*eve)->event));
+pthread_mutex_unlock (&((*eve)->mutex));
+pthread_mutex_destroy (&((*eve)->mutex));
+free(*eve);
+*eve = NULL;
+return TRUE;
+}
+struct _seminfo {
+int fd;
+int waiting;
+};
+static void _handle_sem(int *tmpsock)
+{
+fd_set rd;
+struct _seminfo *array = (struct _seminfo *)malloc(sizeof(struct _seminfo));
+int listenfd = tmpsock[0];
+int bytesread, connectcount = 1, maxfd, z, posted = 0;
+char command;
+sigset_t mask;
+sigfillset(&mask); /* Mask all allowed signals */
+pthread_sigmask(SIG_BLOCK, &mask, NULL);
+/* problems */
+if(tmpsock[1] == -1)
+{
+free(array);
+return;
+}
+array[0].fd = tmpsock[1];
+array[0].waiting = 0;
+/* Free the memory allocated in dw_named_event_new. */
+free(tmpsock);
+while(1)
+{
+FD_ZERO(&rd);
+FD_SET(listenfd, &rd);
+maxfd = listenfd;
+/* Added any connections to the named event semaphore */
+for(z=0;z<connectcount;z++)
+{
+if(array[z].fd > maxfd)
+maxfd = array[z].fd;
+FD_SET(array[z].fd, &rd);
+}
+if(select(maxfd+1, &rd, NULL, NULL, NULL) == -1)
+return;
+if(FD_ISSET(listenfd, &rd))
+{
+struct _seminfo *newarray;
+int newfd = accept(listenfd, 0, 0);
+if(newfd > -1)
+{
+/* Add new connections to the set */
+newarray = (struct _seminfo *)malloc(sizeof(struct _seminfo)*(connectcount+1));
+memcpy(newarray, array, sizeof(struct _seminfo)*(connectcount));
+newarray[connectcount].fd = newfd;
+newarray[connectcount].waiting = 0;
+connectcount++;
+/* Replace old array with new one */
+free(array);
+array = newarray;
+}
+}
+/* Handle any events posted to the semaphore */
+for(z=0;z<connectcount;z++)
+{
+if(FD_ISSET(array[z].fd, &rd))
+{
+if((bytesread = read(array[z].fd, &command, 1)) < 1)
+{
+struct _seminfo *newarray;
+/* Remove this connection from the set */
+newarray = (struct _seminfo *)malloc(sizeof(struct _seminfo)*(connectcount-1));
+if(!z)
+memcpy(newarray, &array[1], sizeof(struct _seminfo)*(connectcount-1));
+else
+{
+memcpy(newarray, array, sizeof(struct _seminfo)*z);
+if(z!=(connectcount-1))
+memcpy(&newarray[z], &array[z+1], sizeof(struct _seminfo)*(z-connectcount-1));
+}
+connectcount--;
+/* Replace old array with new one */
+free(array);
+array = newarray;
+}
+else if(bytesread == 1)
+{
+switch(command)
+{
+case 0:
+{
+/* Reset */
+posted = 0;
+}
+break;
+case 1:
+/* Post */
+{
+int s;
+char tmp = (char)0;
+posted = 1;
+for(s=0;s<connectcount;s++)
+{
+/* The semaphore has been posted so
+* we tell all the waiting threads to
+* continue.
+*/
+if(array[s].waiting)
+write(array[s].fd, &tmp, 1);
+}
+}
+break;
+case 2:
+/* Wait */
+{
+char tmp = (char)0;
+array[z].waiting = 1;
+/* If we are posted exit immeditately */
+if(posted)
+write(array[z].fd, &tmp, 1);
+}
+break;
+case 3:
+{
+/* Done Waiting */
+array[z].waiting = 0;
+}
+break;
+}
+}
+}
+}
+}
+}
+/* Using domain sockets on unix for IPC */
+/* Create a named event semaphore which can be
+* opened from other processes.
+* Parameters:
+*         eve: Pointer to an event handle to receive handle.
+*         name: Name given to semaphore which can be opened
+*               by other processes.
+*/
+HEV dw_named_event_new(char *name)
+{
+	struct sockaddr_un un;
+	int ev, *tmpsock = (int *)malloc(sizeof(int)*2);
+	HEV eve;
+	DWTID dwthread;
+	if(!tmpsock)
+		return NULL;
+	eve = (HEV)malloc(sizeof(struct _dw_unix_event));
+	if(!eve)
+	{
+		free(tmpsock);
+	return NULL;
+	}
+	tmpsock[0] = socket(AF_UNIX, SOCK_STREAM, 0);
+	ev = socket(AF_UNIX, SOCK_STREAM, 0);
+	memset(&un, 0, sizeof(un));
+	un.sun_family=AF_UNIX;
+	mkdir("/tmp/.dw", S_IWGRP|S_IWOTH);
+	strcpy(un.sun_path, "/tmp/.dw/");
+	strcat(un.sun_path, name);
+	/* just to be safe, this should be changed
+	 * to support multiple instances.
+	 */
+	remove(un.sun_path);
+	bind(tmpsock[0], (struct sockaddr *)&un, sizeof(un));
+	listen(tmpsock[0], 0);
+	connect(ev, (struct sockaddr *)&un, sizeof(un));
+	tmpsock[1] = accept(tmpsock[0], 0, 0);
+	if(tmpsock[0] < 0 || tmpsock[1] < 0 || ev < 0)
+	{
+		if(tmpsock[0] > -1)
+			close(tmpsock[0]);
+		if(tmpsock[1] > -1)
+			close(tmpsock[1]);
+		if(ev > -1)
+			close(ev);
+		free(tmpsock);
+		free(eve);
+		return NULL;
+	}
+	/* Create a thread to handle this event semaphore */
+	pthread_create(&dwthread, NULL, (void *)_handle_sem, (void *)tmpsock);
+	eve->alive = ev;
+	return eve;
+}
+/* Open an already existing named event semaphore.
+* Parameters:
+*         eve: Pointer to an event handle to receive handle.
+*         name: Name given to semaphore which can be opened
+*               by other processes.
+*/
+HEV dw_named_event_get(char *name)
+{
+	struct sockaddr_un un;
+	HEV eve;
+	int ev = socket(AF_UNIX, SOCK_STREAM, 0);
+	if(ev < 0)
+		return NULL;
+	eve = (HEV)malloc(sizeof(struct _dw_unix_event));
+	if(!eve)
+	{
+		close(ev);
+	return NULL;
+	}
+	un.sun_family=AF_UNIX;
+	mkdir("/tmp/.dw", S_IWGRP|S_IWOTH);
+	strcpy(un.sun_path, "/tmp/.dw/");
+	strcat(un.sun_path, name);
+	connect(ev, (struct sockaddr *)&un, sizeof(un));
+	eve->alive = ev;
+	return eve;
+}
+/* Resets the event semaphore so threads who call wait
+* on this semaphore will block.
+* Parameters:
+*         eve: Handle to the semaphore obtained by
+*              an open or create call.
+*/
+int dw_named_event_reset(HEV eve)
+{
+/* signal reset */
+char tmp = (char)0;
+if(!eve || eve->alive < 0)
+return 0;
+if(write(eve->alive, &tmp, 1) == 1)
+return 0;
+return 1;
+}
+/* Sets the posted state of an event semaphore, any threads
+* waiting on the semaphore will no longer block.
+* Parameters:
+*         eve: Handle to the semaphore obtained by
+*              an open or create call.
+*/
+int dw_named_event_post(HEV eve)
+{
+/* signal post */
+char tmp = (char)1;
+if(!eve || eve->alive < 0)
+return 0;
+if(write(eve->alive, &tmp, 1) == 1)
+return 0;
+return 1;
+}
+/* Waits on the specified semaphore until it becomes
+* posted, or returns immediately if it already is posted.
+* Parameters:
+*         eve: Handle to the semaphore obtained by
+*              an open or create call.
+*         timeout: Number of milliseconds before timing out
+*                  or -1 if indefinite.
+*/
+int dw_named_event_wait(HEV eve, unsigned long timeout)
+{
+fd_set rd;
+struct timeval tv, *useme;
+int retval = 0;
+char tmp;
+if(!eve || eve->alive < 0)
+return DW_ERROR_NON_INIT;
+/* Set the timout or infinite */
+if(timeout == -1)
+useme = NULL;
+else
+{
+tv.tv_sec = timeout / 1000;
+tv.tv_usec = timeout % 1000;
+useme = &tv;
+}
+FD_ZERO(&rd);
+FD_SET(eve->alive, &rd);
+/* Signal wait */
+tmp = (char)2;
+write(eve->alive, &tmp, 1);
+retval = select(eve->alive+1, &rd, NULL, NULL, useme);
+/* Signal done waiting. */
+tmp = (char)3;
+write(eve->alive, &tmp, 1);
+if(retval == 0)
+return DW_ERROR_TIMEOUT;
+else if(retval == -1)
+return DW_ERROR_INTERRUPT;
+/* Clear the entry from the pipe so
+* we don't loop endlessly. :)
+*/
+read(eve->alive, &tmp, 1);
+return 0;
+}
+/* Release this semaphore, if there are no more open
+* handles on this semaphore the semaphore will be destroyed.
+* Parameters:
+*         eve: Handle to the semaphore obtained by
+*              an open or create call.
+*/
+int dw_named_event_close(HEV eve)
+{
+/* Finally close the domain socket,
+* cleanup will continue in _handle_sem.
+*/
+	if(eve)
+	{
+		close(eve->alive);
+		free(eve);
+	}
+	return 0;
+}
+/*
+* Setup thread independent color sets.
+*/
+void _dwthreadstart(void *data)
+{
+void (*threadfunc)(void *) = NULL;
+void **tmp = (void **)data;
+threadfunc = (void (*)(void *))tmp[0];
+threadfunc(tmp[1]);
+free(tmp);
+}
+/*
+* Allocates a shared memory region with a name.
+* Parameters:
+*         handle: A pointer to receive a SHM identifier.
+*         dest: A pointer to a pointer to receive the memory address.
+*         size: Size in bytes of the shared memory region to allocate.
+*         name: A string pointer to a unique memory name.
+*/
+HSHM dw_named_memory_new(void **dest, int size, char *name)
+{
+char namebuf[1024];
+struct _dw_unix_shm *handle = malloc(sizeof(struct _dw_unix_shm));
+mkdir("/tmp/.dw", S_IWGRP|S_IWOTH);
+sprintf(namebuf, "/tmp/.dw/%s", name);
+if((handle->fd = open(namebuf, O_CREAT | O_RDWR, S_IRUSR | S_IWUSR)) < 0)
+{
+free(handle);
+return NULL;
+}
+ftruncate(handle->fd, size);
+/* attach the shared memory segment to our process's address space. */
+*dest = mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_SHARED, handle->fd, 0);
+if(*dest == MAP_FAILED)
+{
+close(handle->fd);
+*dest = NULL;
+free(handle);
+return NULL;
+}
+handle->size = size;
+handle->sid = getsid(0);
+handle->path = strdup(namebuf);
+return handle;
+}
+/*
+* Aquires shared memory region with a name.
+* Parameters:
+*         dest: A pointer to a pointer to receive the memory address.
+*         size: Size in bytes of the shared memory region to requested.
+*         name: A string pointer to a unique memory name.
+*/
+HSHM dw_named_memory_get(void **dest, int size, char *name)
+{
+char namebuf[1024];
+struct _dw_unix_shm *handle = malloc(sizeof(struct _dw_unix_shm));
+mkdir("/tmp/.dw", S_IWGRP|S_IWOTH);
+sprintf(namebuf, "/tmp/.dw/%s", name);
+if((handle->fd = open(namebuf, O_RDWR)) < 0)
+{
+free(handle);
+return NULL;
+}
+/* attach the shared memory segment to our process's address space. */
+*dest = mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_SHARED, handle->fd, 0);
+if(*dest == MAP_FAILED)
+{
+close(handle->fd);
+*dest = NULL;
+free(handle);
+return NULL;
+}
+handle->size = size;
+handle->sid = -1;
+handle->path = NULL;
+return handle;
+}
+/*
+* Frees a shared memory region previously allocated.
+* Parameters:
+*         handle: Handle obtained from DB_named_memory_allocate.
+*         ptr: The memory address aquired with DB_named_memory_allocate.
+*/
+int dw_named_memory_free(HSHM handle, void *ptr)
+{
+struct _dw_unix_shm *h = handle;
+int rc = munmap(ptr, h->size);
+close(h->fd);
+if(h->path)
+{
+/* Only remove the actual file if we are the
+* creator of the file.
+*/
+if(h->sid != -1 && h->sid == getsid(0))
+remove(h->path);
+free(h->path);
+}
+return rc;
+}
+/*
+* Creates a new thread with a starting point of func.
+* Parameters:
+*       func: Function which will be run in the new thread.
+*       data: Parameter(s) passed to the function.
+*       stack: Stack size of new thread (OS/2 and Windows only).
+*/
+DWTID dw_thread_new(void *func, void *data, int stack)
+{
+DWTID thread;
+void **tmp = malloc(sizeof(void *) * 2);
+int rc;
+tmp[0] = func;
+tmp[1] = data;
+rc = pthread_create(&thread, NULL, (void *)_dwthreadstart, (void *)tmp);
+if(rc == 0)
+return thread;
+return (DWTID)-1;
+}
+/*
+* Ends execution of current thread immediately.
+*/
+void dw_thread_end(void)
+{
+pthread_exit(NULL);
+}
+/*
+* Returns the current thread's ID.
+*/
+DWTID dw_thread_id(void)
+{
+return (DWTID)pthread_self();
+}
+#ifdef DWTEST
+int main(int argc, char *argv[])
+{
+	HWND window, box, vbox, hbox, button, text, checkbox, html;
+	LONG x, y;
+	ULONG width, height;
+	dw_init(TRUE, argc, argv);
+	window = dw_window_new(HWND_DESKTOP, "Dynamic Windows Test", DW_FCF_TITLEBAR | DW_FCF_SYSMENU | DW_FCF_MINMAX | DW_FCF_SIZEBORDER);
+	box = dw_box_new(DW_VERT, 0);
+	vbox = dw_groupbox_new(DW_VERT, 4, "Checks");
+	checkbox = dw_checkbox_new("Checkbox 1", 0);
+	dw_box_pack_start(vbox, checkbox, 100, 25, TRUE, FALSE, 2);
+	checkbox = dw_checkbox_new("Checkbox 2", 0);
+	dw_box_pack_start(vbox, checkbox, 100, 25, TRUE, FALSE, 2);
+	checkbox = dw_checkbox_new("Checkbox 3", 0);
+	dw_box_pack_start(vbox, checkbox, 100, 25, TRUE, FALSE, 2);
+	hbox = dw_box_new(DW_HORZ, 0);
+	button = dw_button_new("Test Button", 0);
+	/*dw_window_disable(button);*/
+	text = dw_entryfield_new("Entry", 0);
+	dw_box_pack_start(hbox, button, 100, 40, TRUE, FALSE, 2);
+	dw_box_pack_start(hbox, text, 100, 40, TRUE, FALSE, 2);
+	dw_box_pack_start(vbox, hbox, 0, 0, TRUE, FALSE, 0);
+	html = dw_html_new(0);
+	dw_html_url(html, "http://dbsoft.org");
+	dw_box_pack_start(vbox, html, 0, 0, TRUE, TRUE, 0);
+	dw_box_pack_start(box, vbox, 0, 0, TRUE, TRUE, 0);
+	dw_box_pack_start(window, box, 0, 0, TRUE, TRUE, 0);
+	dw_window_show(window);
+	dw_window_set_pos_size(window, 400, 400, 500, 500);
+	dw_window_get_pos_size(window, &x, &y, &width, &height);
+	dw_messagebox("Dynamic Windows Information", DW_MB_OK | DW_MB_INFORMATION, "%d %d %d %d %d %d %d\n", (int)x, (int)y, (int)width, (int)height, (int)dw_screen_width(), (int)dw_screen_height(), (int)dw_color_depth_get());
+	dw_main();
+	return 0;
+}
+#endif

Mercurial > dwindows

comparison mac/dw.m @ 650:55b677d460e9