/******************************************************************************\
* Copyright (c) 2004-2020
*
* Author(s):
* Volker Fischer
*
******************************************************************************
*
* This program is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License as published by the Free Software
* Foundation; either version 2 of the License, or (at your option) any later
* version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*
\******************************************************************************/
#include "chatdlg.h"
/* Implementation *************************************************************/
CChatDlg::CChatDlg ( QWidget* parent, Qt::WindowFlags f ) :
QDialog ( parent, f )
{
setupUi ( this );
// Add help text to controls -----------------------------------------------
// chat window
txvChatWindow->setWhatsThis ( "" + tr ( "Chat Window" ) + ": " + tr (
"The chat window shows a history of all chat messages." ) );
txvChatWindow->setAccessibleName ( tr ( "Chat history" ) );
// input message text
edtLocalInputText->setWhatsThis ( "" + tr ( "Input Message Text" ) + ": " + tr (
"Enter the chat message text in the edit box and press enter to send the "
"message to the server which distributes the message to all connected "
"clients. Your message will then show up in the chat window." ) );
edtLocalInputText->setAccessibleName ( tr ( "New chat text edit box" ) );
// clear chat window and edit line
txvChatWindow->clear();
edtLocalInputText->clear();
// we do not want to show a cursor in the chat history
txvChatWindow->setCursorWidth ( 0 );
// set a placeholder text to make sure where to type the message in (#384)
edtLocalInputText->setPlaceholderText ( tr ( "Type a message here" ) );
// Menu -------------------------------------------------------------------
QMenuBar* pMenu = new QMenuBar ( this );
QMenu* pEditMenu = new QMenu ( tr ( "&Edit" ), this );
pEditMenu->addAction ( tr ( "Cl&ear Chat History" ), this,
SLOT ( OnClearChatHistory() ), QKeySequence ( Qt::CTRL + Qt::Key_E ) );
pMenu->addMenu ( pEditMenu );
// Now tell the layout about the menu
layout()->setMenuBar ( pMenu );
// Connections -------------------------------------------------------------
QObject::connect ( edtLocalInputText, &QLineEdit::textChanged,
this, &CChatDlg::OnLocalInputTextTextChanged );
QObject::connect ( butSend, &QPushButton::clicked,
this, &CChatDlg::OnSendText );
}
void CChatDlg::OnLocalInputTextTextChanged ( const QString& strNewText )
{
// check and correct length
if ( strNewText.length() > MAX_LEN_CHAT_TEXT )
{
// text is too long, update control with shortened text
edtLocalInputText->setText ( strNewText.left ( MAX_LEN_CHAT_TEXT ) );
}
}
void CChatDlg::OnSendText()
{
// send new text and clear line afterwards
emit NewLocalInputText ( edtLocalInputText->text() );
edtLocalInputText->clear();
}
void CChatDlg::OnClearChatHistory()
{
// clear chat window
txvChatWindow->clear();
}
void CChatDlg::AddChatText ( QString strChatText )
{
// add new text in chat window
txvChatWindow->append ( strChatText );
// notify accessibility plugin that text has changed
QAccessible::updateAccessibility ( new QAccessibleValueChangeEvent ( txvChatWindow, strChatText ) );
}