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