Added the uiDarwinControl logic.

newcontrol_darwin.c

@@ -0,0 +1,99 @@
+// 7 april 2015
+#include "uipriv_darwin.h"
+
+typedef struct uiSingleWidgetControl uiSingleWidgetControl;
+
+struct uiSingleViewControl {
+	uiControl control;
+	NSView *control;
+	NSScrollView *scrollView;
+	NSView *immediate;		// the control that is added to the parent container; either control or scrollView
+	void *data;
+};
+
+#define S(c) ((uiSingleViewControl *) (c))
+
+static uintptr_t singleHandle(uiControl *c)
+{
+	return (uintptr_t) (S(c)->control);
+}
+
+static void singleSetParent(uiControl *c, uintptr_t parent)
+{
+	NSView *parentView = (NSView *) parent;
+
+	[parentView addSubview:S(c)->immediate];
+}
+
+static uiSize singlePreferredSize(uiControl *c, uiSizing *d)
+{
+	uiSize size;
+
+	// TODO
+	size.width = size.height = 0;
+	return size;
+}
+
+static void singleResize(uiControl *c, intmax_t x, intmax_t y, intmax_t width, intmax_t height, uiSizing *d)
+{
+	NSRect frame;
+
+	frame.origin.x = x;
+	frame.origin.y = y;
+	frame.size.width = width;
+	frame.size.height = height;
+	frame = [S(c)->immediate frameForAlignmentRect:frame];
+	[S(c)->immediate setFrame:frame];
+}
+
+static void singleContainerShow(uiControl *c)
+{
+	[S(c)->immediate setHidden:NO];
+}
+
+static void singleContainerHide(uiControl *c)
+{
+	[S(c)->immediate setHidden:YES];
+}
+
+// TODO connect free function
+
+uiControl *uiDarwinNewControl(Class class, BOOL inScrollView, BOOL scrollViewHasBorder, void *data)
+{
+	uiSingleViewControl *c;
+
+	c = g_new0(uiSingleViewControl, 1);
+	// thanks to autoxr and arwyn in irc.freenode.net/#macdev
+	c->widget = (NSView *) [[class alloc] initWithFrame:NSZeroRect];
+	c->immediate = c->control;
+
+	// TODO turn into bit field?
+	if (inScrollView) {
+		c->scrollView = [[NSScrollView alloc] initWithFrame:NSZeroRect];
+		[c->scrollView setDocumentView:c->control];
+		[c->scrollView setHasHorizontalScroller:YES];
+		[c->scrollView setHasVerticalScroller:YES];
+		[c->scrollView setAutohidesScrollers:YES];
+		if (scrollViewHasBorder)
+			[c->scrollView setBorderType:NSBezelBorder];
+		else
+			[c->scrollView setBorderType:NSNoBorder];
+		c->immediate = (NSView *) (c->scrolledWindow);
+	}
+
+	c->control.handle = singleHandle;
+	c->control.setParent = singleSetParent;
+	c->control.preferredSize = singlePreferredSize;
+	c->control.resize = singleResize;
+	c->control.containerShow = singleContainerShow;
+	c->control.containerHide = singleContainerHide;
+
+	c->data = data;
+
+	return (uiControl *) c;
+}
+
+void *uiDarwinControlData(uiControl *c)
+{
+	return S(c)->data;
+}

ui_darwin.h

@@ -0,0 +1,17 @@
+// 7 april 2015
+
+/*
+This file assumes that you have imported <Cocoa/Cocoa.h> and "ui.h" beforehand. It provides API-specific functions for interfacing with foreign controls on Mac OS X.
+*/
+
+#ifndef __UI_UI_DARWIN_H__
+#define __UI_UI_DARWIN_H__
+
+// uiDarwinNewControl() creates a new uiControl with the given Cocoa control inside.
+// The first parameter should come from [RealControlType class].
+// The two scrollView parameters allow placing scrollbars on the new control.
+// The data parameter can be accessed with uiDarwinControlData().
+extern uiControl *uiDarwinNewControl(Class class, gboolean inScrollView, gboolean scrollViewHasBorder, void *data);
+extern void *uiDarwinControlData(uiControl *c);
+
+#endif

uipriv_darwin.h

@@ -3,6 +3,7 @@
 #define MAC_OS_X_VERSION_MAX_ALLOWED MAC_OS_X_VERSION_10_7
 #import <Cocoa/Cocoa.h>
 #import "uipriv.h"
+#import "ui_darwin.h"
 
 #define toNSString(str) [NSString stringWithUTF8String:(str)]