trwindow.cpp

QT 开发环境里面一个很重要的文件

/****************************************************************************
**
** Copyright (C) 1992-2006 Trolltech ASA. All rights reserved.
**
** This file is part of the Qt Linguist of the Qt Toolkit.
**
** This file may be used under the terms of the GNU General Public
** License version 2.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of
** this file.  Please review the following information to ensure GNU
** General Public Licensing requirements will be met:
** http://www.trolltech.com/products/qt/opensource.html
**
** If you are unsure which license is appropriate for your use, please
** review the following information:
** http://www.trolltech.com/products/qt/licensing.html or contact the
** sales department at [e-mail].
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
****************************************************************************/

/*  TRANSLATOR TrWindow

  This is the application's main window.
*/

#include "trwindow.h"
#include "finddialog.h"
#include "translatedialog.h"
#include "batchtranslationdialog.h"
#include "translationsettingsdialog.h"
#include "msgedit.h"
#include "phrasebookbox.h"
#include "printout.h"
#include "statistics.h"
#include "messagemodel.h"
#include "phrasemodel.h"
#include "translator.h"
#include "previewtool/trpreviewtool.h"

#include <QAction>
#include <QApplication>
#include <QBitmap>
#include <QDockWidget>
#include <QFile>
#include <QFileDialog>
#include <QFileInfo>
#include <QHeaderView>
#include <QLabel>
#include <QLayout>
#include <QMenuBar>
#include <QMessageBox>
#include <QMenu>
#include <QRegExp>
#include <QSettings>
#include <QStatusBar>
#include <QToolBar>
#include <QWhatsThis>
#include <QAssistantClient>
#include <QDesktopWidget>
#include <QPrintDialog>
#include <QLibraryInfo>
#include <QUiLoader>

#define pagecurl_mask_width 53
#define pagecurl_mask_height 51
static const uchar pagecurl_mask_bits[] = {
   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff,
   0xff, 0x0f, 0x80, 0xff, 0xff, 0xff, 0xff, 0xff, 0x0f, 0x00, 0xfe, 0xff,
   0xff, 0xff, 0xff, 0x0f, 0x00, 0xf0, 0xff, 0xff, 0xff, 0xff, 0x0f, 0x00,
   0xc0, 0xff, 0xff, 0xff, 0xff, 0x0f, 0x00, 0x80, 0xff, 0xff, 0xff, 0xff,
   0x0f, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0x0f, 0x00, 0x00, 0xfe, 0xff,
   0xff, 0xff, 0x0f, 0x00, 0x00, 0xfc, 0xff, 0xff, 0xff, 0x0f, 0x00, 0x00,
   0xfc, 0xff, 0xff, 0xff, 0x0f, 0x00, 0x00, 0xf8, 0xff, 0xff, 0xff, 0x0f,
   0x00, 0x00, 0xf0, 0xff, 0xff, 0xff, 0x0f, 0x00, 0x00, 0xf0, 0xff, 0xff,
   0xff, 0x0f, 0x00, 0x00, 0xf0, 0xff, 0xff, 0xff, 0x0f, 0x00, 0x00, 0xf0,
   0xff, 0xff, 0xff, 0x0f, 0x00, 0x00, 0xe0, 0xff, 0xff, 0xff, 0x0f, 0x00,
   0x00, 0xe0, 0xff, 0xff, 0xff, 0x0f, 0x00, 0x00, 0xe0, 0xff, 0xff, 0xff,
   0x0f, 0x00, 0x00, 0xe0, 0xff, 0xff, 0xff, 0x0f, 0x00, 0x00, 0xe0, 0xff,
   0xff, 0xff, 0x0f, 0x00, 0x00, 0xe0, 0xff, 0xff, 0xff, 0x0f, 0x00, 0x00,
   0xe0, 0xff, 0xff, 0xff, 0x0f, 0x00, 0x00, 0xe0, 0xff, 0xff, 0xff, 0x0f,
   0x00, 0x00, 0xe0, 0xff, 0xff, 0xff, 0x0f, 0x00, 0x00, 0xe0, 0xff, 0xff,
   0xff, 0x0f, 0x00, 0x00, 0xe0, 0xff, 0xff, 0xff, 0x0f, 0x00, 0x00, 0xe0,
   0xff, 0xff, 0xff, 0x0f, 0x00, 0x00, 0xe0, 0xff, 0xff, 0xff, 0x0f, 0x00,
   0x00, 0xe0, 0xff, 0xff, 0xff, 0x0f, 0x00, 0x00, 0xc0, 0xff, 0xff, 0xff,
   0x0f, 0x00, 0x00, 0xc0, 0xff, 0xff, 0xff, 0x0f, 0x00, 0x00, 0x00, 0xfc,
   0xff, 0xff, 0x0f, 0x00, 0x00, 0x00, 0x00, 0xf8, 0xff, 0x0f, 0x00, 0x00,
   0x00, 0x00, 0x00, 0xfc, 0x0f, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, 0x0f,
   0x00, 0x00, 0x00, 0x00, 0x00, 0xf0, 0x0f, 0x00, 0x00, 0x00, 0x00, 0x00,
   0xe0, 0x0f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x0f, 0x00, 0x00, 0x00,
   0x00, 0x00, 0x00, 0x0f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0f, 0x00,
   0x00, 0x00, 0x00, 0x00, 0x00, 0x0f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
   0x0e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0c, 0x00, 0x00, 0x00, 0x00,
   0x00, 0x00, 0x0c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0c, 0x00, 0x00,
   0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08,
   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00,
   0x00, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08 };

static const int ErrorMS = 600000; // for error messages
static const int MessageMS = 2500;

QPixmap *TrWindow::pxOn = 0;
QPixmap *TrWindow::pxOff = 0;
QPixmap *TrWindow::pxObsolete = 0;
QPixmap *TrWindow::pxDanger = 0;
QPixmap *TrWindow::pxWarning = 0;
QPixmap *TrWindow::pxEmpty = 0;

enum Ending {End_None, End_FullStop, End_Interrobang, End_Colon,
              End_Ellipsis};

static Ending ending(QString str, QLocale::Language lang)
{
    str = str.simplified();
    int ch = 0;
    if (!str.isEmpty())
        ch = str.right(1)[0].unicode();

    switch (ch) {
    case 0x002e: // full stop
        if (str.endsWith(QString("...")))
            return End_Ellipsis;
        else
            return End_FullStop;
    case 0x0589: // armenian full stop
    case 0x06d4: // arabic full stop
    case 0x3002: // ideographic full stop
        return End_FullStop;
    case 0x0021: // exclamation mark
    case 0x003f: // question mark
    case 0x00a1: // inverted exclamation mark
    case 0x00bf: // inverted question mark
    case 0x01c3: // latin letter retroflex click
    case 0x037e: // greek question mark
    case 0x061f: // arabic question mark
    case 0x203c: // double exclamation mark
    case 0x203d: // interrobang
    case 0x2048: // question exclamation mark
    case 0x2049: // exclamation question mark
    case 0x2762: // heavy exclamation mark ornament
        return End_Interrobang;
    case 0x003b: // greek 'compatibility' questionmark
        return lang == QLocale::Greek ? End_Interrobang : End_None;
    case 0x003a: // colon
        return End_Colon;
    case 0x2026: // horizontal ellipsis
        return End_Ellipsis;
    default:
        return End_None;
    }
}

const QPixmap TrWindow::pageCurl()
{
    QPixmap pixmap;
    pixmap.load(":/images/pagecurl.png" );
    if ( !pixmap.isNull() ) {
        QBitmap pageCurlMask = QBitmap::fromData(QSize(pagecurl_mask_width, pagecurl_mask_height),
                                                 pagecurl_mask_bits, QImage::Format_MonoLSB);
        pixmap.setMask(pageCurlMask);
    }

    return pixmap;
}

#ifdef Q_WS_MAC
const QString rsrcString = ":/images/mac";
#else
const QString rsrcString = ":/images/win";
#endif

TrWindow::TrWindow()
    : QMainWindow(0, Qt::Window)
{
    ac = 0;

#ifndef Q_WS_MAC
    setWindowIcon(QPixmap(":/images/appicon.png" ));
#endif

    m_previewTool = 0;

    // Create the application global listview symbols
    pxOn  = new QPixmap(":/images/s_check_on.png");
    pxOff = new QPixmap(":/images/s_check_off.png");
    pxObsolete = new QPixmap(":/images/s_check_obsolete.png");
    pxDanger = new QPixmap(":/images/s_check_danger.png");
    pxWarning = new QPixmap(":/images/s_check_warning.png");
    pxEmpty = new QPixmap(":/images/s_check_empty.png");

    setCorner(Qt::TopLeftCorner, Qt::LeftDockWidgetArea);
    setCorner(Qt::TopRightCorner, Qt::RightDockWidgetArea);
    setCorner(Qt::BottomLeftCorner, Qt::LeftDockWidgetArea);
    setCorner(Qt::BottomRightCorner, Qt::RightDockWidgetArea);

    // Set up the Scope dock window
    dwScope = new QDockWidget(this);
    dwScope->setObjectName("ContextDockWidget");
    dwScope->setAllowedAreas(Qt::AllDockWidgetAreas);
    dwScope->setFeatures(QDockWidget::AllDockWidgetFeatures);
    dwScope->setWindowTitle(tr("Context"));

    tv = new MessagesTreeView(dwScope);
    cmdl = new MessageModel(dwScope);
    tv->setModel(cmdl);
    dwScope->setWidget(tv);
    addDockWidget(Qt::LeftDockWidgetArea, dwScope);

    me = new MessageEditor(cmdl, this);
    //setCentralWidget(me);
    ptv = me->phraseView();
    pmdl = qobject_cast<PhraseModel *>(ptv->model());

    connect(tv->selectionModel(), SIGNAL(currentChanged(QModelIndex,QModelIndex)),
             this, SLOT(showNewCurrent(QModelIndex,QModelIndex)));

    connect(cmdl, SIGNAL(languageChanged(QLocale::Language)), this, SLOT(updateLanguage(QLocale::Language)));

    m_translatedlg = new TranslateDialog(this);
    m_batchTranslateDlg = new BatchTranslationDialog(cmdl, this);
    m_translationSettingsDialog = 0;
    finddlg = new FindDialog(this);
    findMatchCase = false;
    findWhere = 0;
    foundWhere = 0;
    foundOffset = 0;

    setupMenuBar();
    setupToolBars();
    // We can't call setCentralWidget(me), since it is already called in m_ui.setupUi()
    QBoxLayout *lout = new QBoxLayout(QBoxLayout::TopToBottom, m_ui.centralwidget);
    lout->addWidget(me);
    lout->setMargin(0);
    m_ui.centralwidget->setLayout(lout);

    progress = new QLabel(statusBar());
    statusBar()->addPermanentWidget(progress);
    modified = new QLabel(QString(" %1 ").arg(tr("MOD")), statusBar());
    statusBar()->addPermanentWidget(modified);

    updateProgress();
    updateCaption();


    connect(tv, SIGNAL(clicked(QModelIndex)),
        this, SLOT(toggleFinished(QModelIndex)));
    connect(me, SIGNAL(translationChanged(QStringList)),
        this, SLOT(updateTranslation(QStringList)));
    connect(me, SIGNAL(finished(bool)), this, SLOT(updateFinished(bool)));
    connect(me, SIGNAL(prevUnfinished()), this, SLOT(prevUnfinished()));
    connect(me, SIGNAL(nextUnfinished()), this, SLOT(nextUnfinished()));
    connect(me, SIGNAL(focusSourceList()), this, SLOT(focusSourceList()));
    connect(me, SIGNAL(focusPhraseList()), this, SLOT(focusPhraseList()));
    connect(finddlg, SIGNAL(findNext(QString,int,bool)),
        this, SLOT(findNext(QString,int,bool)));
    connect(m_translatedlg, SIGNAL( translateAndFindNext(QString,QString,int,int,bool) ),
        this, SLOT( translateAndFindNext(QString,QString,int,int,bool) ));

    connect(tv->header(), SIGNAL(sectionClicked(int)),
        tv, SLOT(clearSelection()));

    tv->setWhatsThis(tr("This panel lists the source contexts."));

    QSize as( qApp->desktop()->size() );
    as -= QSize( 30, 30 );
    resize( QSize( 1000, 800 ).boundedTo( as ) );
    readConfig();
    stats = 0;

    QWidget::setTabOrder(ptv, tv);
}

void TrWindow::updateLanguage(QLocale::Language lang)
{
    QStringList forms;
    QByteArray rules;

    getNumerusInfo(lang, cmdl->country(), &rules, &forms);
    me->setNumerusForms(tr("Translation"), forms);
}

TrWindow::~TrWindow()
{
    writeConfig();
    cmdl->clearContextList();
    delete stats;
    delete m_previewTool;
}

void TrWindow::openFile( const QString& name )
{
    if (name.isEmpty())
        return;

    statusBar()->showMessage(tr("Loading..."));
    qApp->processEvents();

    if (!cmdl->load(name)) {
        statusBar()->clearMessage();
        QMessageBox::warning(this, tr("Qt Linguist"), tr("Cannot open '%1'.").arg(name));
        return;
    }

    MessageItem *m;
    for (MessageModel::iterator it = cmdl->begin() ; (m = it.current()) ; ++it) {
        updateDanger(m);
    }

    tv->clearSelection();

    setEnabled(true);
    updateProgress();
    filename = name;
    
    updateCaption();

    me->showNothing();

    m_ui.actionDoneAndNext->setEnabled(false);
    m_ui.actionPreviewForm->setEnabled(true);

    statusBar()->showMessage(tr("%n source phrase(s) loaded.", 0, cmdl->getMessageCount()), MessageMS);
    foundWhere = 0;
    foundOffset = 0;

    if (cmdl->contextsInList() > 0) {
        m_ui.actionFind->setEnabled(true);
        m_ui.actionFindNext->setEnabled(false);
        m_ui.actionTranslationFileSettings->setEnabled(true);
        m_ui.actionBatchTranslation->setEnabled(true);
        m_ui.actionSearchAndTranslate->setEnabled(true);
    }

    addRecentlyOpenedFile(name, recentFiles);
    updateStatistics();
}

void TrWindow::open()
{
    if (maybeSave()) {
        QString newFilename = QFileDialog::getOpenFileName( this, QString(), filename,
            tr("Qt translation source (*.ts)\nAll files (*)"));
        openFile(newFilename);
    }
}

void TrWindow::save()
{
    if (filename.isEmpty())
        return;

    if (cmdl->save(filename)) {
        updateCaption();
        statusBar()->showMessage(tr("File saved."), MessageMS);
    } else {
        QMessageBox::warning(this, tr("Qt Linguist"), tr("Cannot save '%1'.").arg(filename));
    }
}

void TrWindow::saveAs()
{
    QString newFilename = QFileDialog::getSaveFileName(this, QString(), filename,
        tr( "Qt translation source (*.ts)\nAll files (*)"));
    if (!newFilename.isEmpty()) {
        filename = newFilename;
        save();
        updateCaption();
    }
}

void TrWindow::releaseAs()
{
    QString newFilename = filename;
    newFilename.replace(QRegExp(".ts$"), "");
    newFilename += QString(".qm");

    newFilename = QFileDialog::getSaveFileName(this, tr("Release"), newFilename,
        tr("Qt message files for released applications (*.qm)\nAll files (*)"));
    if (!newFilename.isEmpty()) {
        if (cmdl->release(newFilename, false, false, Translator::Everything))
            statusBar()->showMessage(tr("File created."), MessageMS);
        else
            QMessageBox::warning(this, tr("Qt Linguist"), tr("Cannot save '%1'.").arg(newFilename));
    }
}

// No-question
void TrWindow::release()