www.pudn.com > chap06.rar > mailclient.cpp

#include  
 
#include "mailclient.h" 
 
MailClient::MailClient() 
{ 
    QIcon folderIcon(style()->standardPixmap(QStyle::SP_DirClosedIcon)); 
    QIcon trashIcon(style()->standardPixmap(QStyle::SP_FileIcon)); 
 
    QStringList folderLabels; 
    folderLabels << tr("Folders"); 
 
    foldersTreeWidget = new QTreeWidget; 
    foldersTreeWidget->setHeaderLabels(folderLabels); 
    addFolder(folderIcon, tr("Inbox")); 
    addFolder(folderIcon, tr("Outbox")); 
    addFolder(folderIcon, tr("Sent")); 
    addFolder(trashIcon, tr("Trash")); 
 
    QStringList messageLabels; 
    messageLabels << tr("Subject") << tr("Sender") << tr("Date"); 
 
    messagesTreeWidget = new QTreeWidget; 
    messagesTreeWidget->setHeaderLabels(messageLabels); 
    addMessage(tr("Happy New Year!"), 
               tr("Grace K. "), 
               tr("2006-12-31")); 
    addMessage(tr("Radically new concept!"), 
               tr("Grace K. "), 
               tr("2006-12-22")); 
    addMessage(tr("Accounts"), 
               tr("pascale@nospam.com"), 
               tr("2006-12-31")); 
    addMessage(tr("Expenses"), 
               tr("Joe Bloggs "), 
               tr("2006-12-25")); 
    addMessage(tr("Re: Expenses"), 
               tr("Andy "), 
               tr("2007-01-02")); 
    addMessage(tr("Re: Accounts"), 
               tr("Joe Bloggs "), 
               tr("2007-01-03")); 
    addMessage(tr("Re: Accounts"), 
               tr("Andy "), 
               tr("2007-01-03")); 
    messagesTreeWidget->resizeColumnToContents(0); 
    messagesTreeWidget->resizeColumnToContents(1); 
 
    textEdit = new QTextEdit; 
    textEdit->setReadOnly(true); 
    textEdit->setHtml("" 
                      "
Subject:" 
                      "
Happy New Year!" 
                      "
Date:" 
                      "
Sun, 31 Dec 2006" 
                      "
From:" 
                      "
Grace K. <grace@software-inc.com>" 
                      "
To:" 
                      "
all@software-inc.com" 
                      "
" 
                      "
I want to seize this occasion to thank " 
                      "everybody for the year that has gone, and want " 
                      "to wish you the best for next year. It has been " 
                      "a pleasure to work with you all on the Hawk " 
                      "project, and I'm sure we'll get concrete " 
                      "results shortly." 
                      "

Happy New Year!" 
                      "
--Grace"); 
 
    menuBar()->addMenu(tr("&File")); 
    menuBar()->addMenu(tr("&Edit")); 
    menuBar()->addMenu(tr("&View")); 
    menuBar()->addMenu(tr("F&older")); 
    menuBar()->addMenu(tr("&Message")); 
    menuBar()->addMenu(tr("&Settings")); 
    menuBar()->addMenu(tr("&Help")); 
    statusBar()->showMessage(tr("No new messages on server")); 
 
    rightSplitter = new QSplitter(Qt::Vertical); 
    rightSplitter->addWidget(messagesTreeWidget); 
    rightSplitter->addWidget(textEdit); 
    rightSplitter->setStretchFactor(1, 1); 
 
    mainSplitter = new QSplitter(Qt::Horizontal); 
    mainSplitter->addWidget(foldersTreeWidget); 
    mainSplitter->addWidget(rightSplitter); 
    mainSplitter->setStretchFactor(1, 1); 
    setCentralWidget(mainSplitter); 
 
    setWindowTitle(tr("Mail Client")); 
    readSettings(); 
} 
 
void MailClient::closeEvent(QCloseEvent *event) 
{ 
    writeSettings(); 
    event->accept(); 
} 
 
void MailClient::addFolder(const QIcon &icon, const QString &name) 
{ 
    QTreeWidgetItem *root; 
    if (foldersTreeWidget->topLevelItemCount() == 0) { 
        root = new QTreeWidgetItem(foldersTreeWidget); 
        root->setText(0, tr("Mail")); 
        foldersTreeWidget->setItemExpanded(root, true); 
    } else { 
        root = foldersTreeWidget->topLevelItem(0); 
    } 
 
    QTreeWidgetItem *newItem = new QTreeWidgetItem(root); 
    newItem->setText(0, name); 
    newItem->setIcon(0, icon); 
 
    if (!foldersTreeWidget->currentItem()) 
        foldersTreeWidget->setCurrentItem(newItem); 
} 
 
void MailClient::addMessage(const QString &subject, const QString &from, 
                            const QString &date) 
{ 
    QTreeWidgetItem *newItem = new QTreeWidgetItem(messagesTreeWidget); 
    newItem->setText(0, subject); 
    newItem->setText(1, from); 
    newItem->setText(2, date); 
 
    if (!messagesTreeWidget->currentItem()) 
        messagesTreeWidget->setCurrentItem(newItem); 
} 
 
void MailClient::readSettings() 
{ 
    QSettings settings("Software Inc.", "Mail Client"); 
 
    settings.beginGroup("mainWindow"); 
    resize(settings.value("size", QSize(480, 360)).toSize()); 
    mainSplitter->restoreState( 
            settings.value("mainSplitter").toByteArray()); 
    rightSplitter->restoreState( 
            settings.value("rightSplitter").toByteArray()); 
    settings.endGroup(); 
} 
 
void MailClient::writeSettings() 
{ 
    QSettings settings("Software Inc.", "Mail Client"); 
 
    settings.beginGroup("mainWindow"); 
    settings.setValue("size", size()); 
    settings.setValue("mainSplitter", mainSplitter->saveState()); 
    settings.setValue("rightSplitter", rightSplitter->saveState()); 
    settings.endGroup(); 
}