mainwindow.cpp

Trolltech公司发布的图形界面操作系统。可在qt-embedded-2.3.10平台上编译为嵌入式图形界面操作系统。

/**********************************************************************
** Copyright (C) 2000-2005 Trolltech AS.  All rights reserved.
**
** This file is part of the Qtopia Environment.
** 
** 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.
** 
** A copy of the GNU GPL license version 2 is included in this package as 
** LICENSE.GPL.
**
** 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.
**
** In addition, as a special exception Trolltech gives permission to link
** the code of this program with Qtopia applications copyrighted, developed
** and distributed by Trolltech under the terms of the Qtopia Personal Use
** License Agreement. You must comply with the GNU General Public License
** in all respects for all of the code used other than the applications
** licensed under the Qtopia Personal Use License Agreement. If you modify
** this file, you may extend this exception to your version of the file,
** but you are not obligated to do so. If you do not wish to do so, delete
** this exception statement from your version.
** 
** See http://www.trolltech.com/gpl/ for GPL licensing information.
**
** Contact [e-mail] if any conditions of this licensing are
** not clear to you.
**
**********************************************************************/

#define QTOPIA_INTERNAL_FD
#define QTOPIA_INTERNAL_FILEOPERATIONS

#include "mainwindow.h"
#include "todoentryimpl.h"
#include "todotable.h"

#include <qtopia/applnk.h>
#ifdef QTOPIA_DATA_LINKING
#include <qtopia/qdl.h>
#endif
#include <qtopia/qpeapplication.h>
#include <qtopia/qcopenvelope_qws.h>
#include <qtopia/config.h>
#include <qtopia/global.h>
#include <qtopia/ir.h>
#include <qtopia/qpemenubar.h>
#include <qtopia/qpemessagebox.h>
#include <qtopia/resource.h>
#include <qtopia/pim/task.h>
#include <qtopia/pim/private/taskio_p.h>
#include <qtopia/qpetoolbar.h>
#include <qtopia/categoryselect.h>
#include <qtopia/categories.h>
#include <qtopia/pim/contact.h>
#ifdef QTOPIA_PHONE
# include <qtopia/contextmenu.h>
# include <qtopia/contextbar.h>
# include <qtopia/categorydialog.h>
#endif

#include <qaction.h>
#include <qarray.h>
#include <qdatastream.h>
#include <qdatetime.h>
#include <qdir.h>
#include <qfile.h>
#include <qmessagebox.h>
#include <qpopupmenu.h>
#include <qcombobox.h>
#include <qlineedit.h>
#include <qwhatsthis.h>
#include <qlayout.h>
#include <qlabel.h>

#include <sys/stat.h>
#include <sys/types.h>
#include <fcntl.h>
#if defined(Q_OS_LINUX) || defined(_OS_LINUX_)
#include <unistd.h>
#endif

#include <stdlib.h>

static bool constructorDone = FALSE;

TodoSettings::TodoSettings(QWidget *parent, const char *name, bool modal, WFlags fl)
    : QDialog(parent, name, modal, fl)
{
    setCaption(tr("Configure columns to display"));

    QGridLayout *grid = new QGridLayout(this);
    map = new FieldMap(this);
    grid->addWidget(map, 0, 0);
}

void TodoSettings::setCurrentFields(const QValueList<int> &f)
{
    QMap<int,QString> m = PimTask::trFieldsMap();
    m.remove( PimRecord::Categories );
    map->setFields(m, f);
}

//===========================================================================

TodoView::TodoView( QWidget *parent, const char *name)
    : QTextBrowser(parent, name) 
{ 
    setFrameStyle(NoFrame); 
#ifdef QTOPIA_DATA_LINKING
     mNotesQC = new QDLClient( this, "qdlNotes" );
#endif
}
void TodoView::init( const PimTask &task )
{
    QString txt = task.toRichText();
#ifdef QTOPIA_DATA_LINKING
    QDL::loadLinks( task.customField( QDL::DATA_KEY ), QDL::clients( this ) );
    txt = QDL::lidsToAnchors( txt, mNotesQC );
#endif
    setText(txt);
}

void TodoView::setSource( const QString &name )
{
#ifdef QTOPIA_DATA_LINKING
    QDL::activateLink( name, QDL::clients( this ) );
#else
    QTextBrowser::setSource( name );
#endif
}

//===========================================================================

TodoWindow::TodoWindow( QWidget *parent, const char *name, WFlags f) :
    QMainWindow( parent, name, f )
{
#ifdef Q_WS_QWS
    beamfile = Global::tempDir() + "obex";
    QDir d;
    d.mkdir(beamfile);
    beamfile += "/todo.vcs";
#endif

    setCaption( tr("Tasks") );
    setBackgroundMode( PaletteButton );

    tView = 0;

    listView = new QWidget(this);

    table = new TodoTable(listView );
#ifdef QTOPIA_PHONE
    table->setMargin(0);
    table->setSelectionMode( TodoTable::NoSelection );
#else
    table->setSelectionMode( TodoTable::Extended );
#endif
    QWhatsThis::add( table, tr("List of tasks matching the completion and category filters.") );
    
    setCentralWidget( listView );

    createUI();
    
    if ( table->hasCurrentEntry() )
        currentEntryChanged( );
    setCentralWidget( listView );
    
    connect( table, SIGNAL( clicked() ),
	    this, SLOT( showDetailView() ) );

    // Wah? why this strange turn-around
    connect( table, SIGNAL( updateTask(const PimTask&) ),
	     table, SLOT( updateEntry(const PimTask&) ) );
    connect( table, SIGNAL( currentChanged() ),
             this, SLOT( currentEntryChanged() ) );

    connect(qApp, SIGNAL( appMessage(const QCString&,const QByteArray&) ), 
	    this, SLOT( appMessage(const QCString&,const QByteArray&) ) );
    connect(qApp, SIGNAL(reload()), this, SLOT(reload()));
    connect(qApp, SIGNAL(flush()), this, SLOT(flush()));
    connect(qApp, SIGNAL(categoriesChanged()), this, SLOT(catChanged()) );
    
    constructorDone = TRUE;

    
    // This call is to ensure that all records contains only valid categories 
    catChanged();
}

TodoWindow::~TodoWindow()
{
    table->saveData();
}

void TodoWindow::createUI()
{
    QGridLayout *grid = new QGridLayout(listView);
    grid->addMultiCellWidget( table, 0, 0, 0, 1);

    newAction = new QAction( tr( "New" ), Resource::loadIconSet( "new" ),
			      QString::null, 0, this, 0 );
    connect( newAction, SIGNAL( activated() ),
             this, SLOT( createNewEntry() ) );
    newAction->setWhatsThis( tr("Create a new task.") );

    editAction = new QAction( tr( "Edit" ), Resource::loadIconSet( "edit" ),
		     QString::null, 0, this, 0 );
    connect( editAction, SIGNAL( activated() ),
             this, SLOT( editCurrentEntry() ) );
    editAction->setWhatsThis( tr("Edit the highlighted task.") );
    editAction->setEnabled( FALSE );

    deleteAction = new QAction( tr( "Delete" ), Resource::loadIconSet( "trash" ),
		     QString::null, 0, this, 0 );
    connect( deleteAction, SIGNAL( activated() ),
             this, SLOT( deleteCurrentEntry() ) );
    deleteAction->setWhatsThis( tr("Delete the highlighted task.") );
    deleteAction->setEnabled( FALSE );

    findAction = new QAction( tr( "Find" ), Resource::loadIconSet( "find" ),
		     QString::null, 0, this, 0 );
    findAction->setToggleAction( TRUE );
    findAction->setWhatsThis( tr("Search for a task.") );
    connect( findAction, SIGNAL( toggled(bool) ),
	     this, SLOT( showFindWidget(bool) ) );

#if defined(Q_WS_QWS) || defined(_WS_QWS_)
    if ( Ir::supported() ) {
	beamAction = new QAction( tr( "Beam" ), Resource::loadIconSet( "beam" ),
			 QString::null, 0, this, 0 );
	connect( beamAction, SIGNAL( activated() ),
		 this, SLOT( beamCurrentEntry() ) );
	beamAction->setWhatsThis( tr("Beam the highlighted task to another device.") );
	beamAction->setEnabled(FALSE);
    } else {
	beamAction = 0;
    }
#endif

    backAction = new QAction( tr("Back"), 
	    Resource::loadIconSet("addressbook/back"),
	    QString::null, 0, this, 0);
    backAction->setEnabled(FALSE);
    connect( backAction, SIGNAL(activated()), this, SLOT(showListView()) );

#ifndef QTOPIA_PHONE
    setToolBarsMovable( FALSE );

    QPEToolBar *bar = new QPEToolBar( this );
    bar->setHorizontalStretchable( TRUE );

    QPEMenuBar *mb = new QPEMenuBar( bar );

    QPopupMenu *edit = new QPopupMenu( this );

    bar = new QPEToolBar( this );

    newAction->addTo( bar );
    newAction->addTo( edit );
    editAction->addTo( bar );
    editAction->addTo( edit );
    deleteAction->addTo( bar );
    deleteAction->addTo( edit );
    findAction->addTo( bar );
    findAction->addTo( edit );
    if (beamAction)
	beamAction->addTo( edit );
    bar->addSeparator();

    QPopupMenu *view = new QPopupMenu(this);
    backAction->addTo( bar );

    view->insertSeparator();
    view->insertItem( tr("Select All"), this, SLOT( selectAll() ) );
    view->insertSeparator();
    view->insertItem( tr("Configure columns"), this, SLOT( configure() ) );

    mb->insertItem( tr( "Task" ), edit );
    mb->insertItem( tr( "View" ), view );
#else
    contextMenu = new ContextMenu(this);
    newAction->addTo(contextMenu);
    editAction->addTo(contextMenu);
    deleteAction->addTo(contextMenu);
    if (beamAction)
	beamAction->addTo(contextMenu);

    actionCategory = new QAction(tr("View Category..."), Resource::loadIconSet("viewcategory"), QString::null,
	    0, this, 0 );
    connect( actionCategory, SIGNAL(activated()), this, SLOT(selectCategory()));
    actionCategory->addTo(contextMenu);

    categoryLbl = new QLabel(listView);
    categoryLbl->hide();
    grid->addMultiCellWidget(categoryLbl, 1, 1, 0, 1);

    categoryDlg = 0;
#endif

#ifndef QTOPIA_PHONE
    // Search bar
    searchBar = new QPEToolBar(this);
    addToolBar( searchBar,  tr("Search"), QMainWindow::Top, TRUE );

    searchBar->setHorizontalStretchable( TRUE );

    searchEdit = new QLineEdit( searchBar, "searchEdit" );
    searchBar->setStretchableWidget( searchEdit );
    connect( searchEdit, SIGNAL(textChanged(const QString&)),
	    this, SLOT(search()) );
    connect( searchEdit, SIGNAL(returnPressed()), this, SLOT(search()) );

    QAction *a = new QAction( tr( "Find Next" ), Resource::loadIconSet( "next" ), QString::null, 0, this, 0 );
    a->setWhatsThis( tr("Find the next matching task.") );
    a->addTo( searchBar );

    searchBar->hide();

    connect( a, SIGNAL(activated()), table, SLOT(findNext()) );
    // can create this item now
    view->insertItem( tr("Fit to width"), table, SLOT(fitHeadersToWidth()) );

    // Filter bar
    QComboBox *cb = new QComboBox( listView );
    cb->insertItem( tr("Pending Tasks") );
    cb->insertItem( tr("All Tasks") );
    cb->setSizePolicy( QSizePolicy(QSizePolicy::Preferred, QSizePolicy::Preferred) );
    cb->setCurrentItem( table->completedFilter() ? 0 : 1 );
    connect( cb, SIGNAL(activated(int)), this, SLOT(setShowCompleted(int)) );
    QWhatsThis::add( cb, tr("Show tasks with this completion status.") );

    QArray<int> vl( 0 );
    catSelect = new CategorySelect( listView );
    catSelect->setRemoveCategoryEdit( TRUE );
    catSelect->setCategories( vl, "Todo List", // No tr
	    tr("Tasks") );
    catSelect->setAllCategories( TRUE );
    connect( catSelect, SIGNAL(signalSelected(int)), this, SLOT(catSelected(int)) );
    QWhatsThis::add( catSelect, tr("Show tasks in this category.") );

    grid->addWidget( cb, 1, 0);
    grid->addWidget( catSelect, 1, 1);

//     qDebug("mainwindow #3: t=%d", t.elapsed() );
    connect( table, SIGNAL(findWrapAround()), this, SLOT(findWrapped()) );
    connect( table, SIGNAL(findNotFound()), this, SLOT(findNotFound()) );
    connect( table, SIGNAL(findFound()), this, SLOT(findFound()) );

    Config config( "todo" );
    config.setGroup( "View" );
    int currCat = config.readNumEntry( "Category", -2 );
    catSelect->setCurrentCategory( currCat );
    table->setFilter( currCat );
    setCaption( tr("Tasks") + " - " + table->categoryLabel( currCat ) );
#else
    setCaption(tr("Tasks"));
#endif
}

void TodoWindow::appMessage(const QCString &msg, const QByteArray &data)
{
    bool needShow = FALSE;
    if ( msg == "newTask()" ) {
	createNewEntry();
    } else if ( msg == "addTask(PimTask)" ) {
	QDataStream stream(data,IO_ReadOnly);
	PimTask c;
	stream >> c;
	table->addEntry(c);
    } else if ( msg == "removeTask(PimTask)" ) {
	QDataStream stream(data,IO_ReadOnly);
	PimTask c;
	stream >> c;
	table->removeEntry(c);
    } else if ( msg == "updateTask(PimTask)" ) {
	QDataStream stream(data,IO_ReadOnly);
	PimTask c;
	stream >> c;
	table->updateEntry(c);
	if ( centralWidget() == todoView() ) {
	    todoView()->init( table->currentEntry() );
	    tView->setFocus();  //To avoid events being passed to QTable
	}
    } else if ( msg == "showTask(QUuid)" ) {
	// If we're in edit mode, we need to stay there (which we currently do)
	QDataStream stream(data,IO_ReadOnly);
	QUuid u;
	stream >> u;

	//
	// Searching for the right category given just the uid may be
	// expensive.  Default to the "All" category for now.
	//
	catSelect->setCurrentCategory(-2);
	catSelected(-2);
	table->setCurrentEntry(u);
	needShow = TRUE;
    } else if ( msg == "receiveData(QString,QString)" ) {
	QDataStream stream(data,IO_ReadOnly);
	QString f,t;
	stream >> f >> t;
	if ( t.lower() == "text/x-vcalendar" )
	    if ( receiveFile(f) )
		needShow = TRUE;
	QFile::remove(f);
#ifdef QTOPIA_DATA_LINKING
    } else if( msg == "QDLRequestLink(QString,QString)" ) {
	QDataStream stream( data, IO_ReadOnly );
        QString	clientID, hint;
	stream >> clientID >> hint;
	QDLHeartBeat hb( clientID );

	QDialog *diag = new QDialog(this, 0, TRUE);
	diag->setCaption( tr("Tasks") );
	QHBoxLayout *hl = new QHBoxLayout(diag);
	TodoTable *tmpTable = new TodoTable(diag, 0, 0, TRUE);
	connect(tmpTable, SIGNAL(clicked()), diag, SLOT(accept()));
	hl->addWidget(tmpTable);
#ifndef QTOPIA_DESKTOP
	if( QPEApplication::execDialog( diag ) == QDialog::Accepted )
#else
	if( diag->exec() == QDialog::Accepted )
#endif
	{
	    QCopEnvelope e( QDL::CLIENT_CHANNEL, "QDLProvideLink(QString,int,...)" );
	    e << clientID;
	    e << 1;
	    QByteArray dataRef;
	    QDataStream refStream( dataRef, IO_WriteOnly );