From d2b36ccbaf9d0057680bc781f75188aee8d3b850 Mon Sep 17 00:00:00 2001
From: rti <devnull@localhost>
Date: Thu, 3 Jun 2010 02:15:45 +0200
Subject: [PATCH] Changed: #947 dead key support

---
 .../src/3d/driver/opengl/mac/cocoa_adapter.mm |   9 +-
 .../3d/driver/opengl/mac/cocoa_opengl_view.h  |  26 ++++-
 .../3d/driver/opengl/mac/cocoa_opengl_view.m  | 101 +++++++++++++++++-
 3 files changed, 122 insertions(+), 14 deletions(-)

diff --git a/code/nel/src/3d/driver/opengl/mac/cocoa_adapter.mm b/code/nel/src/3d/driver/opengl/mac/cocoa_adapter.mm
index 02b90c589..a4eb72077 100644
--- a/code/nel/src/3d/driver/opengl/mac/cocoa_adapter.mm
+++ b/code/nel/src/3d/driver/opengl/mac/cocoa_adapter.mm
@@ -319,7 +319,7 @@ bool isTextKeyEvent(NSEvent* event)
 	
 	/*
 		TODO check why iswprint(character) does not solve it. 
-			it always returns false, even for π é ...
+			it always returns false, even for π, é, ...
 	*/
 	// > 127 but not printable
 	if( nelKey == NLMISC::KeyF1    || nelKey == NLMISC::KeyF2    || 
@@ -408,13 +408,6 @@ void submitEvents(NLMISC::CEventServer& server,
 		case NSMouseEntered:break;
 		case NSMouseExited:break;
 		case NSKeyDown:
-		 	/*
-		 		TODO dead keys
-					http://developer.apple.com/mac/library/documentation/Carbon/Reference/
-						Unicode_Utilities_Ref/Reference/reference.html#//apple_ref/c/func/
-						UCKeyTranslate
-		 	*/
-			
 			// push the key press event to the new event server
 			server.postEvent(new NLMISC::CEventKeyDown(
 				virtualKeycodeToNelKey([event keyCode]), 
diff --git a/code/nel/src/3d/driver/opengl/mac/cocoa_opengl_view.h b/code/nel/src/3d/driver/opengl/mac/cocoa_opengl_view.h
index db1eb5323..6557128e1 100644
--- a/code/nel/src/3d/driver/opengl/mac/cocoa_opengl_view.h
+++ b/code/nel/src/3d/driver/opengl/mac/cocoa_opengl_view.h
@@ -21,12 +21,36 @@
 /**
  * derived to configure the NSOpenGLView
  */
-@interface CocoaOpenGLView : NSOpenGLView
+@interface CocoaOpenGLView : NSOpenGLView<NSTextInputClient>
 {
+  NSMutableAttributedString* backingStore;
+  NSRange markedRange;
 }
 
+-(id)initWithFrame:(NSRect)frame;
+-(void)dealloc;
+
 -(BOOL)acceptsFirstResponder;
 -(BOOL)needsPanelToBecomeKey;
 -(void)keyDown:(NSEvent*)event;
 
+/******************************************************************************/
+/* NSTextInputClient Protocol */
+
+-(BOOL)hasMarkedText;
+-(NSRange)markedRange;
+-(NSRange)selectedRange;
+-(void)setMarkedText:(id)aString 
+	selectedRange:(NSRange)newSelection 
+	replacementRange:(NSRange)replacementRange;
+-(void)unmarkText;
+-(NSArray*)validAttributesForMarkedText;
+-(NSAttributedString*)attributedSubstringForProposedRange:(NSRange)aRange 
+	actualRange:(NSRangePointer)actualRange;
+-(void)insertText:(id)aString replacementRange:(NSRange)replacementRange;
+-(NSUInteger)characterIndexForPoint:(NSPoint)aPoint;
+-(NSRect)firstRectForCharacterRange:(NSRange)aRange 
+	actualRange:(NSRangePointer)actualRange;
+-(void)doCommandBySelector:(SEL)aSelector;
+
 @end
diff --git a/code/nel/src/3d/driver/opengl/mac/cocoa_opengl_view.m b/code/nel/src/3d/driver/opengl/mac/cocoa_opengl_view.m
index 954c9c89e..0c816a4d4 100644
--- a/code/nel/src/3d/driver/opengl/mac/cocoa_opengl_view.m
+++ b/code/nel/src/3d/driver/opengl/mac/cocoa_opengl_view.m
@@ -20,6 +20,21 @@
 
 @implementation CocoaOpenGLView
 
+- (id)initWithFrame:(NSRect)frame 
+{
+	if(self = [super initWithFrame:frame]) 
+	{
+		backingStore = [[NSMutableAttributedString alloc] initWithString:@""];
+		return self;
+	}
+	return nil;
+}
+
+- (void)dealloc
+{
+	[backingStore release];
+	[super dealloc];
+}
 -(BOOL)acceptsFirstResponder
 {
 	return YES;
@@ -32,11 +47,87 @@
 
 -(void)keyDown:(NSEvent*)event
 {
-	// we handle the key here, so os x does not make a sound :)
-	/*
-		TODO do it in the event emitter? eg do not forward key down? 
-			does command+q / command+m still work then?
-	*/
+	[[self inputContext] handleEvent:event];
+}
+
+/******************************************************************************/
+/* NSTextInputClient Protocol */
+
+-(BOOL)hasMarkedText 
+{
+	return (markedRange.location == NSNotFound ? NO : YES);
+}
+
+-(NSRange)markedRange 
+{
+	return markedRange;
+}
+
+-(NSRange)selectedRange 
+{
+	return NSMakeRange(NSNotFound, 0);
+}
+
+-(void)setMarkedText:(id)aString 
+	selectedRange:(NSRange)newSelection 
+	replacementRange:(NSRange)replacementRange
+{
+	if(replacementRange.location == NSNotFound)
+		replacementRange = markedRange;
+
+	if([aString length] == 0) 
+	{
+		[backingStore deleteCharactersInRange:replacementRange];
+		[self unmarkText];
+	} 
+	else 
+	{
+		markedRange = NSMakeRange(replacementRange.location, [aString length]);
+		[backingStore replaceCharactersInRange:replacementRange withString:aString];
+	}
+}
+
+-(void)unmarkText
+{
+	markedRange = NSMakeRange(NSNotFound, 0);
+	[[self inputContext] discardMarkedText];
+}
+
+-(NSArray*)validAttributesForMarkedText
+{
+	return [NSArray arrayWithObjects:
+		NSMarkedClauseSegmentAttributeName, NSGlyphInfoAttributeName, nil];
+}
+
+-(NSAttributedString*)attributedSubstringForProposedRange:(NSRange)aRange 
+	actualRange:(NSRangePointer)actualRange
+{
+	return [backingStore attributedSubstringFromRange:aRange];
+}
+
+-(void)insertText:(id)aString 
+	replacementRange:(NSRange)replacementRange
+{
+	if(replacementRange.location == NSNotFound)
+		replacementRange = markedRange;
+
+	[backingStore replaceCharactersInRange:replacementRange withString:aString];
+}
+
+-(NSUInteger)characterIndexForPoint:(NSPoint)aPoint
+{
+	return 0;
+}
+
+-(NSRect)firstRectForCharacterRange:(NSRange)aRange 
+	actualRange:(NSRangePointer)actualRange
+{
+	return NSMakeRect(0, 0, 0, 0);
+}
+
+-(void)doCommandBySelector:(SEL)aSelector
+{
+	[super doCommandBySelector:aSelector];
 }
 
 @end