First Checked In.

cmd/macfe/gui/CAutoCompleteURLEditField.cp

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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ *
+ * The contents of this file are subject to the Netscape Public License
+ * Version 1.0 (the "NPL"); you may not use this file except in
+ * compliance with the NPL.  You may obtain a copy of the NPL at
+ * http://www.mozilla.org/NPL/
+ *
+ * Software distributed under the NPL is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
+ * for the specific language governing rights and limitations under the
+ * NPL.
+ *
+ * The Initial Developer of this code under the NPL is Netscape
+ * Communications Corporation.  Portions created by Netscape are
+ * Copyright (C) 1998 Netscape Communications Corporation.  All Rights
+ * Reserved.
+ */
+
+// CAutoCompleteURLEditField.h
+
+// Subclass of CURLEditField that calls urlMatch function to do
+// URL string matching
+
+#include "CAutoCompleteURLEditField.h"
+
+#include <PP_Types.h>		// for Char16 typedef
+#include <UKeyFilters.h>	// for UKeyFilters::IsPrintingChar proto
+#include <LowMem.h>			// for LMGetTicks() proto
+
+#include "xp_mem.h"	// for XP_FREE macro
+#include "glhist.h"	// for urlMatch proto
+
+#include "PascalString.h"	// for CString/CStr255 stuff
+
+const UInt32 CAutoCompleteURLEditField::matchDelay = 20;
+
+CAutoCompleteURLEditField::CAutoCompleteURLEditField(LStream* inStream)
+:	CURLEditField(inStream),
+		lastKeyPressTicks(0)
+{
+}
+
+// NOTE: I believe UKeyFilters::IsPrintingChar() makes this method
+// i18n unfriendly, but that's just a guess.
+Boolean CAutoCompleteURLEditField::HandleKeyPress(const EventRecord& inKeyEvent)
+{
+	Char16 theChar = inKeyEvent.message & charCodeMask;
+	if (UKeyFilters::IsPrintingChar(theChar))
+		lastKeyPressTicks = LMGetTicks();
+	return CURLEditField::HandleKeyPress(inKeyEvent);
+}
+
+void CAutoCompleteURLEditField::SpendTime(const EventRecord	&inMacEvent)
+{
+	if (lastKeyPressTicks && (LMGetTicks() - lastKeyPressTicks > matchDelay))
+	{
+		char *result = NULL;
+		CStr255 str;
+		GetDescriptor(str);
+		if (str.Length() > 0)
+		{
+			// remove selection from search string
+			if ((**GetMacTEH()).selEnd - (**GetMacTEH()).selStart > 0)
+				str.Delete((**GetMacTEH()).selStart, kStr255Len);
+			autoCompStatus status = stillSearching;
+			bool firstTime = true;
+			while (status == stillSearching)
+			{
+				status = urlMatch(str, &result, firstTime, false);
+				firstTime = false;
+			}
+			if (status == foundDone)
+			{
+				unsigned char selStart = str.Length();
+				// append search result
+				str += (result + str.Length());
+				SetDescriptor(str);
+				FocusDraw();			// SetDescriptor() mucks with the port rect
+				
+				// then set selection
+				::TESetSelect(selStart, str.Length() + 1, GetMacTEH());
+				XP_FREE(result);	// urlMatch uses XP_STRDUP to pass back a new string
+			}
+		}
+		lastKeyPressTicks = 0;
+	}
+	
+	CURLEditField::SpendTime(inMacEvent);
+}

cmd/macfe/gui/CAutoCompleteURLEditField.h

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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ *
+ * The contents of this file are subject to the Netscape Public License
+ * Version 1.0 (the "NPL"); you may not use this file except in
+ * compliance with the NPL.  You may obtain a copy of the NPL at
+ * http://www.mozilla.org/NPL/
+ *
+ * Software distributed under the NPL is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
+ * for the specific language governing rights and limitations under the
+ * NPL.
+ *
+ * The Initial Developer of this code under the NPL is Netscape
+ * Communications Corporation.  Portions created by Netscape are
+ * Copyright (C) 1998 Netscape Communications Corporation.  All Rights
+ * Reserved.
+ */
+
+// CAutoCompleteURLEditField.h
+
+// Subclass of CURLEditField that calls urlMatch function to do
+// URL string matching
+
+#pragma once
+
+#include "CURLEditField.h"
+
+#include <Types.h>	// for UInt32 typedef
+#include <LStream.h>
+
+class CAutoCompleteURLEditField : public CURLEditField
+{
+public:
+	enum {	class_ID = 'AcUF' };
+	
+	const static UInt32 matchDelay;	// ticks before we start URL matching
+	
+	CAutoCompleteURLEditField(LStream* inStream);
+
+	virtual Boolean		HandleKeyPress(const EventRecord& inKeyEvent);
+
+	virtual	void		SpendTime(const EventRecord	&inMacEvent);
+
+protected:
+	UInt32	lastKeyPressTicks;	// contains tick count of last key press
+};