352 lines
10 KiB
C++
352 lines
10 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: NPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.1 (the "License"); you may not use this file except in
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* compliance with the License. You may obtain a copy of the License at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the NPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the NPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "nsTextHelper.h"
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#include "nsTextWidget.h"
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#include "nsToolkit.h"
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#include "nsColor.h"
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#include "nsGUIEvent.h"
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#include "nsString.h"
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#include "nsReadableUtils.h"
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#include "nsWindow.h"
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#include <qlineedit.h>
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#include <qmultilineedit.h>
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#define DBG 0
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//-------------------------------------------------------------------------
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//
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// nsTextHelper constructor
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//
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//-------------------------------------------------------------------------
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nsTextHelper::nsTextHelper() : nsWidget(), nsITextWidget()
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{
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PR_LOG(QtWidgetsLM, PR_LOG_DEBUG, ("nsTextHelper::nsTextHelper()\n"));
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mIsReadOnly = PR_FALSE;
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mIsPassword = PR_FALSE;
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}
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//-------------------------------------------------------------------------
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//
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// nsTextHelper destructor
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//
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//-------------------------------------------------------------------------
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nsTextHelper::~nsTextHelper()
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{
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PR_LOG(QtWidgetsLM, PR_LOG_DEBUG, ("nsTextHelper::~nsTextHelper()\n"));
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}
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//-------------------------------------------------------------------------
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//
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// Set initial parameters
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//
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//-------------------------------------------------------------------------
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NS_METHOD nsTextHelper::PreCreateWidget(nsWidgetInitData *aInitData)
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{
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PR_LOG(QtWidgetsLM, PR_LOG_DEBUG, ("nsTextHelper::PreCreateWidget()\n"));
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if (nsnull != aInitData)
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{
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nsTextWidgetInitData* data = (nsTextWidgetInitData *) aInitData;
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mIsPassword = data->mIsPassword;
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mIsReadOnly = data->mIsReadOnly;
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}
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return NS_OK;
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}
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//-------------------------------------------------------------------------
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NS_METHOD nsTextHelper::SetMaxTextLength(PRUint32 aChars)
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{
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PR_LOG(QtWidgetsLM, PR_LOG_DEBUG, ("nsTextHelper::SetMaxTextLength()\n"));
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if (mWidget->isA("nsQLineEdit"))
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{
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((QLineEdit *)mWidget)->setMaxLength((int) aChars);
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}
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else
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{
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//((QMultiLineEdit *)mWidget)->setMaxLength((int) aChars);
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return NS_ERROR_FAILURE;
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}
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return NS_OK;
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}
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//-------------------------------------------------------------------------
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NS_METHOD nsTextHelper::GetText(nsString& aTextBuffer,
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PRUint32 aBufferSize,
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PRUint32& aActualSize)
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{
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PR_LOG(QtWidgetsLM, PR_LOG_DEBUG, ("nsTextHelper::GetText()\n"));
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QString string;
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if (mWidget->isA("nsQLineEdit"))
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{
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string = ((QLineEdit *)mWidget)->text();
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}
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else
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{
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string = ((QMultiLineEdit *)mWidget)->text();
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}
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aTextBuffer.SetLength(0);
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aTextBuffer.AppendWithConversion((const char *) string);
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aActualSize = (PRUint32) string.length();
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return NS_OK;
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}
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//-------------------------------------------------------------------------
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NS_METHOD nsTextHelper::SetText(const nsString& aText, PRUint32& aActualSize)
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{
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char *buf = ToNewCString(aText);
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PR_LOG(QtWidgetsLM, PR_LOG_DEBUG, ("nsTextHelper::SetText to \"%s\"\n",
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buf));
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QString string = buf;
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//mWidget->setUpdatesEnabled(PR_FALSE);
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if (mWidget->isA("nsQLineEdit"))
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{
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((QLineEdit *)mWidget)->setText(string);
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}
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else
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{
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((QMultiLineEdit *)mWidget)->setText(string);
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}
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//mWidget->setUpdatesEnabled(PR_TRUE);
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aActualSize = aText.Length();
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delete[] buf;
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return NS_OK;
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}
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//-------------------------------------------------------------------------
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NS_METHOD nsTextHelper::InsertText(const nsString &aText,
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PRUint32 aStartPos,
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PRUint32 aEndPos,
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PRUint32& aActualSize)
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{
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PR_LOG(QtWidgetsLM, PR_LOG_DEBUG, ("nsTextHelper::InsertText()\n"));
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nsString currentText;
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PRUint32 actualSize;
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GetText(currentText, 256, actualSize);
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nsString newText(aText);
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currentText.Insert(newText, aStartPos);
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SetText(currentText,actualSize);
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aActualSize = aText.Length();
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return NS_OK;
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}
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//-------------------------------------------------------------------------
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NS_METHOD nsTextHelper::RemoveText()
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{
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PR_LOG(QtWidgetsLM, PR_LOG_DEBUG, ("nsTextHelper::RemoveText()\n"));
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if (mWidget->isA("nsQLineEdit"))
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{
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((QLineEdit *)mWidget)->clear();
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}
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else
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{
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((QMultiLineEdit *)mWidget)->clear();
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}
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return NS_OK;
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}
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//-------------------------------------------------------------------------
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NS_METHOD nsTextHelper::SetPassword(PRBool aIsPassword)
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{
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PR_LOG(QtWidgetsLM, PR_LOG_DEBUG, ("nsTextHelper::SetPassword()\n"));
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if (mWidget->isA("nsQLineEdit"))
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{
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QLineEdit::EchoMode mode = aIsPassword ?
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QLineEdit::Password :
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QLineEdit::Normal;
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((QLineEdit *)mWidget)->setEchoMode(mode);
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}
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return NS_OK;
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}
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//-------------------------------------------------------------------------
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NS_METHOD nsTextHelper::SetReadOnly(PRBool aReadOnlyFlag,
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PRBool& aOldReadOnlyFlag)
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{
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PR_LOG(QtWidgetsLM, PR_LOG_DEBUG, ("nsTextHelper::SetReadOnly()\n"));
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NS_ASSERTION(nsnull != mWidget,
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"SetReadOnly - Widget is NULL, Create may not have been called!");
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aOldReadOnlyFlag = mIsReadOnly;
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mIsReadOnly = aReadOnlyFlag?PR_FALSE:PR_TRUE;
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if (mWidget->isA("nsQLineEdit"))
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{
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((QLineEdit *)mWidget)->setEnabled(mIsReadOnly);
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}
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else
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{
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((QMultiLineEdit *)mWidget)->setReadOnly(mIsReadOnly);
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}
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return NS_OK;
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}
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//-------------------------------------------------------------------------
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NS_METHOD nsTextHelper::SelectAll()
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{
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PR_LOG(QtWidgetsLM, PR_LOG_DEBUG, ("nsTextHelper::SelectAll()\n"));
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if (mWidget->isA("nsQLineEdit"))
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{
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((QLineEdit *)mWidget)->selectAll();
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}
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else
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{
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((QMultiLineEdit *)mWidget)->selectAll();
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}
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return NS_OK;
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}
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//-------------------------------------------------------------------------
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NS_METHOD nsTextHelper::SetSelection(PRUint32 aStartSel, PRUint32 aEndSel)
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{
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PR_LOG(QtWidgetsLM, PR_LOG_DEBUG, ("nsTextHelper::SetSelection()\n"));
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if (mWidget->isA("nsQLineEdit"))
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{
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if (aStartSel || aEndSel)
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{
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((QLineEdit *)mWidget)->setSelection(aStartSel, aEndSel - aStartSel);
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}
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else
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{
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((QLineEdit *)mWidget)->deselect();
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}
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}
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else
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{
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//((QMultiLineEdit *)mWidget)->setSelection(aStartSel,
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// aEndSel - aStartSel);
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return NS_ERROR_FAILURE;
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}
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return NS_OK;
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}
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//-------------------------------------------------------------------------
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NS_METHOD nsTextHelper::GetSelection(PRUint32 *aStartSel, PRUint32 *aEndSel)
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{
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PR_LOG(QtWidgetsLM, PR_LOG_DEBUG, ("nsTextHelper::GetSelection()\n"));
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if (mWidget->isA("nsQLineEdit"))
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{
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if (((QLineEdit *)mWidget)->hasMarkedText())
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{
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QString string = ((QLineEdit *)mWidget)->markedText();
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PRUint32 actualSize = 0;
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nsString text;
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GetText(text, 0, actualSize);
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PRInt32 start = text.Find((const char *)string);
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if (start >= 0)
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{
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*aStartSel = start;
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*aEndSel = *aStartSel + string.length();
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}
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else
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{
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return NS_ERROR_FAILURE;
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}
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}
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else
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{
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*aStartSel = 0;
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*aEndSel = 0;
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}
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}
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else
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{
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return NS_ERROR_FAILURE;
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}
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return NS_OK;
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}
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//-------------------------------------------------------------------------
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NS_METHOD nsTextHelper::SetCaretPosition(PRUint32 aPosition)
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{
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PR_LOG(QtWidgetsLM, PR_LOG_DEBUG, ("nsTextHelper::SetCaretPosition()\n"));
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if (mWidget->isA("nsQLineEdit"))
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{
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((QLineEdit *)mWidget)->setCursorPosition((int) aPosition);
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}
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else
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{
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// based on the index into the text field, calculate the row and
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// column.
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int row = 0;
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int col = 0;
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((QMultiLineEdit *)mWidget)->setCursorPosition(row, col);
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}
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return NS_OK;
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}
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//-------------------------------------------------------------------------
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NS_METHOD nsTextHelper::GetCaretPosition(PRUint32& aPosition)
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{
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PR_LOG(QtWidgetsLM, PR_LOG_DEBUG, ("nsTextHelper::GetCaretPosition()\n"));
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if (mWidget->isA("nsQLineEdit"))
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{
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aPosition = (PRUint32) ((QLineEdit *)mWidget)->cursorPosition();
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}
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return NS_OK;
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}
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