TRIED TO add uiMultilineEntry on OS X. It does not quite work yet.

darwin/GNUmakeinc.mk

@@ -18,6 +18,7 @@ MFILES += \
 	darwin/main.m \
 	darwin/map.m \
 	darwin/menu.m \
+	darwin/multilineentry.m \
 	darwin/progressbar.m \
 	darwin/radiobuttons.m \
 	darwin/separator.m \

darwin/multilineentry.m

@@ -0,0 +1,125 @@
+// 8 december 2015
+#import "uipriv_darwin.h"
+
+struct uiMultilineEntry {
+	uiDarwinControl c;
+	NSScrollView *sv;
+	NSTextView *tv;
+	void (*onChanged)(uiMultilineEntry *, void *);
+	void *onChangedData;
+};
+
+// TODO events
+
+uiDarwinDefineControl(
+	uiMultilineEntry,						// type name
+	uiMultilineEntryType,					// type function
+	sv									// handle
+)
+
+static void defaultOnChanged(uiMultilineEntry *e, void *data)
+{
+	// do nothing
+}
+
+char *uiMultilineEntryText(uiMultilineEntry *e)
+{
+	return uiDarwinNSStringToText([e->tv string]);
+}
+
+void uiMultilineEntrySetText(uiMultilineEntry *e, const char *text)
+{
+	// TODO does this send a changed signal?
+	[e->tv setString:toNSString(text)];
+}
+
+// TODO scroll to end?
+void uiMultilineEntryAppend(uiMultilineEntry *e, const char *text)
+{
+	// TODO better way?
+	NSString *str;
+
+	// TODO does this send a changed signal?
+	str = [e->tv string];
+	str = [str stringByAppendingString:toNSString(text)];
+	[e->tv setString:str];
+}
+
+void uiMultilineEntryOnChanged(uiMultilineEntry *e, void (*f)(uiMultilineEntry *e, void *data), void *data)
+{
+	e->onChanged = f;
+	e->onChangedData = data;
+}
+
+int uiMultilineEntryReadOnly(uiMultilineEntry *e)
+{
+	return [e->tv isEditable] == NO;
+}
+
+void uiMultilineEntrySetReadOnly(uiMultilineEntry *e, int readonly)
+{
+	BOOL editable;
+
+	editable = YES;
+	if (readonly)
+		editable = NO;
+	[e->tv setEditable:editable];
+}
+
+uiMultilineEntry *uiNewMultilineEntry(void)
+{
+	uiMultilineEntry *e;
+
+	e = (uiMultilineEntry *) uiNewControl(uiMultilineEntryType());
+
+	e->sv = [[NSScrollView alloc] initWithFrame:NSZeroRect];
+	// TODO verify against Interface Builder
+	[e->sv setHasHorizontalScroller:NO];
+	[e->sv setHasVerticalScroller:YES];
+	[e->sv setAutohidesScrollers:YES];
+	[e->sv setBorderType:NSBezelBorder];
+
+	e->tv = [[NSTextView alloc] initWithFrame:NSZeroRect];
+	// verified against Interface Builder, except for rich text options
+	[e->tv setAllowsDocumentBackgroundColorChange:NO];
+	[e->tv setBackgroundColor:[NSColor textBackgroundColor]];
+	[e->tv setTextColor:[NSColor textColor]];
+	[e->tv setAllowsUndo:YES];
+	[e->tv setEditable:YES];
+	[e->tv setSelectable:YES];
+	[e->tv setRichText:NO];
+	[e->tv setImportsGraphics:NO];
+	[e->tv setBaseWritingDirection:NSWritingDirectionNatural];
+	// TODO default paragraph format
+	[e->tv setAllowsImageEditing:NO];
+	[e->tv setAutomaticQuoteSubstitutionEnabled:NO];
+	[e->tv setAutomaticLinkDetectionEnabled:NO];
+	[e->tv setUsesRuler:NO];
+	[e->tv setRulerVisible:NO];
+	[e->tv setUsesInspectorBar:NO];
+	[e->tv setSelectionGranularity:NSSelectByCharacter];
+//TODO	[e->tv setInsertionPointColor:[NSColor insertionColor]];
+	[e->tv setContinuousSpellCheckingEnabled:NO];
+	[e->tv setGrammarCheckingEnabled:NO];
+	[e->tv setUsesFontPanel:NO];
+	[e->tv setEnabledTextCheckingTypes:0];
+	[e->tv setAutomaticDashSubstitutionEnabled:NO];
+	[e->tv setAutomaticSpellingCorrectionEnabled:NO];
+	[e->tv setAutomaticTextReplacementEnabled:NO];
+	[e->tv setSmartInsertDeleteEnabled:NO];
+	[e->tv setLayoutOrientation:NSTextLayoutOrientationHorizontal];
+	// TODO default find panel behavior
+	// now just to be safe; this will do some of the above but whatever
+	disableAutocorrect(e->tv);
+	// this option is complex; just set it to the Interface Builder default
+	[[e->tv layoutManager] setAllowsNonContiguousLayout:YES];
+	// this will work because it's the same selector
+	uiDarwinSetControlFont((NSControl *) (e->tv), NSRegularControlSize);
+	[e->sv setDocumentView:e->tv];
+
+	uiMultilineEntryOnChanged(e, defaultOnChanged, NULL);
+
+	uiDarwinFinishNewControl(e, uiMultilineEntry);
+
+	return e;
+}