jamulus/src/chatdlg.cpp
Volker Fischer 791d600634 2019->2020
2020-01-01 15:41:43 +01:00

104 lines
3.5 KiB
C++
Executable file

/******************************************************************************\
* 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.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 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 ( "<b>Chat Window:</b> The chat window "
"shows a history of all chat messages." ) );
txvChatWindow->setAccessibleName ( tr ( "Chat history" ) );
// input message text
edtLocalInputText->setWhatsThis ( tr ( "<b>Input Message Text:</b> 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();
// Connections -------------------------------------------------------------
QObject::connect ( edtLocalInputText,
SIGNAL ( textChanged ( const QString& ) ),
this, SLOT ( OnLocalInputTextTextChanged ( const QString& ) ) );
QObject::connect ( edtLocalInputText, SIGNAL ( returnPressed() ),
this, SLOT ( OnLocalInputTextReturnPressed() ) );
QObject::connect ( butClear, SIGNAL ( pressed() ),
this, SLOT ( OnClearPressed() ) );
}
void CChatDlg::OnLocalInputTextTextChanged ( const QString& strNewText )
{
// check and correct length
if ( strNewText.length() > MAX_LEN_CHAT_TEXT )
{
// text is too long, update control with shortend text
edtLocalInputText->setText ( strNewText.left ( MAX_LEN_CHAT_TEXT ) );
}
}
void CChatDlg::OnLocalInputTextReturnPressed()
{
// send new text and clear line afterwards
emit NewLocalInputText ( edtLocalInputText->text() );
edtLocalInputText->clear();
}
void CChatDlg::OnClearPressed()
{
// 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 (
#if QT_VERSION < QT_VERSION_CHECK(5, 0, 0)
txvChatWindow, 0, QAccessible::ValueChanged
#else
new QAccessibleEvent ( txvChatWindow, QAccessible::ValueChanged )
#endif
);
}