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tdepim/kmail/kmmsgpartdlg.cpp

453 lines
14 KiB

// kmmsgpartdlg.cpp
// my includes:
#include <config.h>
#include "kmmsgpartdlg.h"
// other KMail includes:
#include "kmmessage.h"
#include "kmmsgpart.h"
#include "kcursorsaver.h"
// other kdenetwork includes: (none)
// other KDE includes:
#include <kmimetype.h>
#include <kapplication.h>
#include <kiconloader.h>
#include <kaboutdata.h>
#include <kstringvalidator.h>
#include <kcombobox.h>
#include <kdebug.h>
// other Qt includes:
#include <qlabel.h>
#include <qlayout.h>
#include <qwhatsthis.h>
#include <klineedit.h>
#include <qcheckbox.h>
// other includes:
#include <assert.h>
static const struct {
KMMsgPartDialog::Encoding encoding;
const char * displayName;
} encodingTypes[] = {
{ KMMsgPartDialog::SevenBit, I18N_NOOP("None (7-bit text)") },
{ KMMsgPartDialog::EightBit, I18N_NOOP("None (8-bit text)") },
{ KMMsgPartDialog::QuotedPrintable, I18N_NOOP("Quoted Printable") },
{ KMMsgPartDialog::Base64, I18N_NOOP("Base 64") },
};
static const int numEncodingTypes =
sizeof encodingTypes / sizeof *encodingTypes;
KMMsgPartDialog::KMMsgPartDialog( const QString & caption,
QWidget * parent, const char * name )
: KDialogBase( Plain,
caption.isEmpty() ? i18n("Message Part Properties") : caption,
Ok|Cancel|Help, Ok, parent, name, true, true)
{
// tmp vars:
QGridLayout * glay;
QLabel * label;
QString msg;
setHelp( QString::fromLatin1("attachments") );
for ( int i = 0 ; i < numEncodingTypes ; ++i )
mI18nizedEncodings << i18n( encodingTypes[i].displayName );
glay = new QGridLayout( plainPage(), 9 /*rows*/, 2 /*cols*/, spacingHint() );
glay->setColStretch( 1, 1 );
glay->setRowStretch( 8, 1 );
// mimetype icon:
mIcon = new QLabel( plainPage() );
mIcon->setPixmap( DesktopIcon("unknown") );
glay->addMultiCellWidget( mIcon, 0, 1, 0, 0 );
// row 0: Type combobox:
mMimeType = new KComboBox( true, plainPage() );
mMimeType->setInsertionPolicy( QComboBox::NoInsertion );
mMimeType->setValidator( new KMimeTypeValidator( mMimeType ) );
mMimeType->insertStringList( QStringList()
<< QString::fromLatin1("text/html")
<< QString::fromLatin1("text/plain")
<< QString::fromLatin1("image/gif")
<< QString::fromLatin1("image/jpeg")
<< QString::fromLatin1("image/png")
<< QString::fromLatin1("application/octet-stream")
<< QString::fromLatin1("application/x-gunzip")
<< QString::fromLatin1("application/zip") );
connect( mMimeType, SIGNAL(textChanged(const QString&)),
this, SLOT(slotMimeTypeChanged(const QString&)) );
glay->addWidget( mMimeType, 0, 1 );
msg = i18n("<qt><p>The <em>MIME type</em> of the file:</p>"
"<p>normally, you do not need to touch this setting, since the "
"type of the file is automatically checked; but, sometimes, %1 "
"may not detect the type correctly -- here is where you can fix "
"that.</p></qt>").arg( kapp->aboutData()->programName() );
QWhatsThis::add( mMimeType, msg );
// row 1: Size label:
mSize = new QLabel( plainPage() );
setSize( KIO::filesize_t(0) );
glay->addWidget( mSize, 1, 1 );
msg = i18n("<qt><p>The size of the part:</p>"
"<p>sometimes, %1 will only give an estimated size here, "
"because calculating the exact size would take too much time; "
"when this is the case, it will be made visible by adding "
"\"(est.)\" to the size displayed.</p></qt>")
.arg( kapp->aboutData()->programName() );
QWhatsThis::add( mSize, msg );
// row 2: "Name" lineedit and label:
mFileName = new KLineEdit( plainPage() );
label = new QLabel( mFileName, i18n("&Name:"), plainPage() );
glay->addWidget( label, 2, 0 );
glay->addWidget( mFileName, 2, 1 );
msg = i18n("<qt><p>The file name of the part:</p>"
"<p>although this defaults to the name of the attached file, "
"it does not specify the file to be attached; rather, it "
"suggests a file name to be used by the recipient's mail agent "
"when saving the part to disk.</p></qt>");
QWhatsThis::add( label, msg );
QWhatsThis::add( mFileName, msg );
// row 3: "Description" lineedit and label:
mDescription = new KLineEdit( plainPage() );
label = new QLabel( mDescription, i18n("&Description:"), plainPage() );
glay->addWidget( label, 3, 0 );
glay->addWidget( mDescription, 3, 1 );
msg = i18n("<qt><p>A description of the part:</p>"
"<p>this is just an informational description of the part, "
"much like the Subject is for the whole message; most "
"mail agents will show this information in their message "
"previews alongside the attachment's icon.</p></qt>");
QWhatsThis::add( label, msg );
QWhatsThis::add( mDescription, msg );
// row 4: "Encoding" combobox and label:
mEncoding = new QComboBox( false, plainPage() );
mEncoding->insertStringList( mI18nizedEncodings );
label = new QLabel( mEncoding, i18n("&Encoding:"), plainPage() );
glay->addWidget( label, 4, 0 );
glay->addWidget( mEncoding, 4, 1 );
msg = i18n("<qt><p>The transport encoding of this part:</p>"
"<p>normally, you do not need to change this, since %1 will use "
"a decent default encoding, depending on the MIME type; yet, "
"sometimes, you can significantly reduce the size of the "
"resulting message, e.g. if a PostScript file does not contain "
"binary data, but consists of pure text -- in this case, choosing "
"\"quoted-printable\" over the default \"base64\" will save up "
"to 25% in resulting message size.</p></qt>")
.arg( kapp->aboutData()->programName() );
QWhatsThis::add( label, msg );
QWhatsThis::add( mEncoding, msg );
// row 5: "Suggest automatic display..." checkbox:
mInline = new QCheckBox( i18n("Suggest &automatic display"), plainPage() );
glay->addMultiCellWidget( mInline, 5, 5, 0, 1 );
msg = i18n("<qt><p>Check this option if you want to suggest to the "
"recipient the automatic (inline) display of this part in the "
"message preview, instead of the default icon view;</p>"
"<p>technically, this is carried out by setting this part's "
"<em>Content-Disposition</em> header field to \"inline\" "
"instead of the default \"attachment\".</p></qt>");
QWhatsThis::add( mInline, msg );
// row 6: "Sign" checkbox:
mSigned = new QCheckBox( i18n("&Sign this part"), plainPage() );
glay->addMultiCellWidget( mSigned, 6, 6, 0, 1 );
msg = i18n("<qt><p>Check this option if you want this message part to be "
"signed;</p>"
"<p>the signature will be made with the key that you associated "
"with the currently-selected identity.</p></qt>");
QWhatsThis::add( mSigned, msg );
// row 7: "Encrypt" checkbox:
mEncrypted = new QCheckBox( i18n("Encr&ypt this part"), plainPage() );
glay->addMultiCellWidget( mEncrypted, 7, 7, 0, 1 );
msg = i18n("<qt><p>Check this option if you want this message part to be "
"encrypted;</p>"
"<p>the part will be encrypted for the recipients of this "
"message</p></qt>");
QWhatsThis::add( mEncrypted, msg );
// (row 8: spacer)
}
KMMsgPartDialog::~KMMsgPartDialog() {}
QString KMMsgPartDialog::mimeType() const {
return mMimeType->currentText();
}
void KMMsgPartDialog::setMimeType( const QString & mimeType ) {
int dummy = 0;
QString tmp = mimeType; // get rid of const'ness
if ( mMimeType->validator() && mMimeType->validator()->validate( tmp, dummy ) )
for ( int i = 0 ; i < mMimeType->count() ; ++i )
if ( mMimeType->text( i ) == mimeType ) {
mMimeType->setCurrentItem( i );
return;
}
mMimeType->insertItem( mimeType, 0 );
mMimeType->setCurrentItem( 0 );
slotMimeTypeChanged( mimeType );
}
void KMMsgPartDialog::setMimeType( const QString & type,
const QString & subtype ) {
setMimeType( QString::fromLatin1("%1/%2").arg(type).arg(subtype) );
}
void KMMsgPartDialog::setMimeTypeList( const QStringList & mimeTypes ) {
mMimeType->insertStringList( mimeTypes );
}
void KMMsgPartDialog::setSize( KIO::filesize_t size, bool estimated ) {
QString text = KIO::convertSize( size );
if ( estimated )
text = i18n("%1: a filesize incl. unit (e.g. \"1.3 KB\")",
"%1 (est.)").arg( text );
mSize->setText( text );
}
QString KMMsgPartDialog::fileName() const {
return mFileName->text();
}
void KMMsgPartDialog::setFileName( const QString & fileName ) {
mFileName->setText( fileName );
}
QString KMMsgPartDialog::description() const {
return mDescription->text();
}
void KMMsgPartDialog::setDescription( const QString & description ) {
mDescription->setText( description );
}
KMMsgPartDialog::Encoding KMMsgPartDialog::encoding() const {
QString s = mEncoding->currentText();
for ( unsigned int i = 0 ; i < mI18nizedEncodings.count() ; ++i )
if ( s == *mI18nizedEncodings.at(i) )
return encodingTypes[i].encoding;
kdFatal(5006) << "KMMsgPartDialog::encoding(): Unknown encoding encountered!"
<< endl;
return None; // keep compiler happy
}
void KMMsgPartDialog::setEncoding( Encoding encoding ) {
for ( int i = 0 ; i < numEncodingTypes ; ++i )
if ( encodingTypes[i].encoding == encoding ) {
QString text = *mI18nizedEncodings.at(i);
for ( int j = 0 ; j < mEncoding->count() ; ++j )
if ( mEncoding->text(j) == text ) {
mEncoding->setCurrentItem( j );
return;
}
mEncoding->insertItem( text, 0 );
mEncoding->setCurrentItem( 0 );
}
kdFatal(5006) << "KMMsgPartDialog::setEncoding(): "
"Unknown encoding encountered!" << endl;
}
void KMMsgPartDialog::setShownEncodings( int encodings ) {
mEncoding->clear();
for ( int i = 0 ; i < numEncodingTypes ; ++i )
if ( encodingTypes[i].encoding & encodings )
mEncoding->insertItem( *mI18nizedEncodings.at(i) );
}
bool KMMsgPartDialog::isInline() const {
return mInline->isChecked();
}
void KMMsgPartDialog::setInline( bool inlined ) {
mInline->setChecked( inlined );
}
bool KMMsgPartDialog::isEncrypted() const {
return mEncrypted->isChecked();
}
void KMMsgPartDialog::setEncrypted( bool encrypted ) {
mEncrypted->setChecked( encrypted );
}
void KMMsgPartDialog::setCanEncrypt( bool enable ) {
mEncrypted->setEnabled( enable );
}
bool KMMsgPartDialog::isSigned() const {
return mSigned->isChecked();
}
void KMMsgPartDialog::setSigned( bool sign ) {
mSigned->setChecked( sign );
}
void KMMsgPartDialog::setCanSign( bool enable ) {
mSigned->setEnabled( enable );
}
void KMMsgPartDialog::slotMimeTypeChanged( const QString & mimeType ) {
// message subparts MUST have 7bit or 8bit encoding...
#if 0
// ...but until KMail can recode 8bit messages on attach, so that
// they can be signed, we can't enforce this :-(
if ( mimeType.startsWith("message/") ) {
setEncoding( SevenBit );
mEncoding->setEnabled( false );
} else {
mEncoding->setEnabled( !mReadOnly );
}
#endif
// find a mimetype icon:
int dummy = 0;
QString tmp = mimeType; // get rid of const'ness
if ( mMimeType->validator() && mMimeType->validator()->validate( tmp, dummy )
== QValidator::Acceptable )
mIcon->setPixmap( KMimeType::mimeType( mimeType )->pixmap( KIcon::Desktop ) );
else
mIcon->setPixmap( DesktopIcon("unknown") );
}
KMMsgPartDialogCompat::KMMsgPartDialogCompat( QWidget * parent, const char *, bool readOnly)
: KMMsgPartDialog(QString::null, parent ), mMsgPart( 0 )
{
setShownEncodings( SevenBit|EightBit|QuotedPrintable|Base64 );
if (readOnly)
{
mMimeType->setEditable(false);
mMimeType->setEnabled(false);
mFileName->setReadOnly(true);
mDescription->setReadOnly(true);
mEncoding->setEnabled(false);
mInline->setEnabled(false);
mEncrypted->setEnabled(false);
mSigned->setEnabled(false);
}
}
KMMsgPartDialogCompat::~KMMsgPartDialogCompat() {}
void KMMsgPartDialogCompat::setMsgPart( KMMessagePart * aMsgPart )
{
mMsgPart = aMsgPart;
assert( mMsgPart );
QCString enc = mMsgPart->cteStr();
if ( enc == "7bit" )
setEncoding( SevenBit );
else if ( enc == "8bit" )
setEncoding( EightBit );
else if ( enc == "quoted-printable" )
setEncoding( QuotedPrintable );
else
setEncoding( Base64 );
setDescription( mMsgPart->contentDescription() );
setFileName( mMsgPart->fileName() );
setMimeType( mMsgPart->typeStr(), mMsgPart->subtypeStr() );
setSize( mMsgPart->decodedSize() );
setInline( mMsgPart->contentDisposition()
.find( QRegExp("^\\s*inline", false) ) >= 0 );
}
void KMMsgPartDialogCompat::applyChanges()
{
if (!mMsgPart) return;
KCursorSaver busy(KBusyPtr::busy());
// apply Content-Disposition:
QCString cDisp;
if ( isInline() )
cDisp = "inline;";
else
cDisp = "attachment;";
QString name = fileName();
if ( !name.isEmpty() || !mMsgPart->name().isEmpty()) {
mMsgPart->setName( name );
QCString encoding = KMMsgBase::autoDetectCharset( mMsgPart->charset(),
KMMessage::preferredCharsets(), name );
if ( encoding.isEmpty() ) encoding = "utf-8";
QCString encName = KMMsgBase::encodeRFC2231String( name, encoding );
cDisp += "\n\tfilename";
if ( name != QString( encName ) )
cDisp += "*=" + encName;
else
cDisp += "=\"" + encName.replace( '\\', "\\\\" ).replace( '"', "\\\"" ) + '"';
mMsgPart->setContentDisposition( cDisp );
}
// apply Content-Description"
QString desc = description();
if ( !desc.isEmpty() || !mMsgPart->contentDescription().isEmpty() )
mMsgPart->setContentDescription( desc );
// apply Content-Type:
QCString type = mimeType().latin1();
QCString subtype;
int idx = type.find('/');
if ( idx < 0 )
subtype = "";
else {
subtype = type.mid( idx+1 );
type = type.left( idx );
}
mMsgPart->setTypeStr(type);
mMsgPart->setSubtypeStr(subtype);
// apply Content-Transfer-Encoding:
QCString cte;
if (subtype == "rfc822" && type == "message")
kdWarning( encoding() != SevenBit && encoding() != EightBit, 5006 )
<< "encoding on rfc822/message must be \"7bit\" or \"8bit\"" << endl;
switch ( encoding() ) {
case SevenBit: cte = "7bit"; break;
case EightBit: cte = "8bit"; break;
case QuotedPrintable: cte = "quoted-printable"; break;
case Base64: default: cte = "base64"; break;
}
if ( cte != mMsgPart->cteStr().lower() ) {
QByteArray body = mMsgPart->bodyDecodedBinary();
mMsgPart->setCteStr( cte );
mMsgPart->setBodyEncodedBinary( body );
}
}
//-----------------------------------------------------------------------------
void KMMsgPartDialogCompat::slotOk()
{
applyChanges();
KMMsgPartDialog::slotOk();
}
//-----------------------------------------------------------------------------
#include "kmmsgpartdlg.moc"