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tdepim/kmail/kmedit.cpp

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// -*- mode: C++; c-file-style: "gnu" -*-
// kmcomposewin.cpp
// Author: Markus Wuebben <markus.wuebben@kde.org>
// This code is published under the GPL.
#include <config.h>
#include "kmedit.h"
#include "kmlineeditspell.h"
#define REALLY_WANT_KMCOMPOSEWIN_H
#include "kmcomposewin.h"
#undef REALLY_WANT_KMCOMPOSEWIN_H
#include "kmmsgdict.h"
#include "kmfolder.h"
#include "kmcommands.h"
#include <maillistdrag.h>
using KPIM::MailListDrag;
#include <libkdepim/kfileio.h>
#include <libemailfunctions/email.h>
#include <kcursor.h>
#include <kprocess.h>
#include <kpopupmenu.h>
#include <kdebug.h>
#include <kmessagebox.h>
#include <kurldrag.h>
#include <ktempfile.h>
#include <klocale.h>
#include <kapplication.h>
#include <kdirwatch.h>
#include <kiconloader.h>
#include "globalsettings.h"
#include "replyphrases.h"
#include <kspell.h>
#include <kspelldlg.h>
#include <spellingfilter.h>
#include <ksyntaxhighlighter.h>
#include <qregexp.h>
#include <qbuffer.h>
#include <qevent.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <stdlib.h>
#include <unistd.h>
#include <errno.h>
#include <fcntl.h>
#include <assert.h>
void KMEdit::contentsDragEnterEvent(QDragEnterEvent *e)
{
if (e->provides(MailListDrag::format()))
e->accept(true);
else if (e->provides("image/png"))
e->accept();
else
return KEdit::contentsDragEnterEvent(e);
}
void KMEdit::contentsDragMoveEvent(QDragMoveEvent *e)
{
if (e->provides(MailListDrag::format()))
e->accept();
else if (e->provides("image/png"))
e->accept();
else
return KEdit::contentsDragMoveEvent(e);
}
void KMEdit::keyPressEvent( QKeyEvent* e )
{
if( e->key() == Key_Return ) {
int line, col;
getCursorPosition( &line, &col );
QString lineText = text( line );
// returns line with additional trailing space (bug in Qt?), cut it off
lineText.truncate( lineText.length() - 1 );
// special treatment of quoted lines only if the cursor is neither at
// the begin nor at the end of the line
if( ( col > 0 ) && ( col < int( lineText.length() ) ) ) {
bool isQuotedLine = false;
uint bot = 0; // bot = begin of text after quote indicators
while( bot < lineText.length() ) {
if( ( lineText[bot] == '>' ) || ( lineText[bot] == '|' ) ) {
isQuotedLine = true;
++bot;
}
else if( lineText[bot].isSpace() ) {
++bot;
}
else {
break;
}
}
KEdit::keyPressEvent( e );
// duplicate quote indicators of the previous line before the new
// line if the line actually contained text (apart from the quote
// indicators) and the cursor is behind the quote indicators
if( isQuotedLine
&& ( bot != lineText.length() )
&& ( col >= int( bot ) ) ) {
// The cursor position might have changed unpredictably if there was selected
// text which got replaced by a new line, so we query it again:
getCursorPosition( &line, &col );
QString newLine = text( line );
// remove leading white space from the new line and instead
// add the quote indicators of the previous line
unsigned int leadingWhiteSpaceCount = 0;
while( ( leadingWhiteSpaceCount < newLine.length() )
&& newLine[leadingWhiteSpaceCount].isSpace() ) {
++leadingWhiteSpaceCount;
}
newLine = newLine.replace( 0, leadingWhiteSpaceCount,
lineText.left( bot ) );
removeParagraph( line );
insertParagraph( newLine, line );
// place the cursor at the begin of the new line since
// we assume that the user split the quoted line in order
// to add a comment to the first part of the quoted line
setCursorPosition( line, 0 );
}
}
else
KEdit::keyPressEvent( e );
}
else
KEdit::keyPressEvent( e );
}
void KMEdit::contentsDropEvent(QDropEvent *e)
{
if (e->provides(MailListDrag::format())) {
// Decode the list of serial numbers stored as the drag data
QByteArray serNums;
MailListDrag::decode( e, serNums );
QBuffer serNumBuffer(serNums);
serNumBuffer.open(IO_ReadOnly);
QDataStream serNumStream(&serNumBuffer);
Q_UINT32 serNum;
KMFolder *folder = 0;
int idx;
QPtrList<KMMsgBase> messageList;
while (!serNumStream.atEnd()) {
KMMsgBase *msgBase = 0;
serNumStream >> serNum;
KMMsgDict::instance()->getLocation(serNum, &folder, &idx);
if (folder)
msgBase = folder->getMsgBase(idx);
if (msgBase)
messageList.append( msgBase );
}
serNumBuffer.close();
uint identity = folder ? folder->identity() : 0;
KMCommand *command =
new KMForwardAttachedCommand(mComposer, messageList,
identity, mComposer);
command->start();
}
else if( e->provides("image/png") ) {
emit attachPNGImageData(e->encodedData("image/png"));
}
else if( KURLDrag::canDecode( e ) ) {
KURL::List urlList;
if( KURLDrag::decode( e, urlList ) ) {
KPopupMenu p;
p.insertItem( i18n("Add as Text"), 0 );
p.insertItem( i18n("Add as Attachment"), 1 );
int id = p.exec( mapToGlobal( e->pos() ) );
switch ( id) {
case 0:
for ( KURL::List::Iterator it = urlList.begin();
it != urlList.end(); ++it ) {
insert( (*it).url() );
}
break;
case 1:
for ( KURL::List::Iterator it = urlList.begin();
it != urlList.end(); ++it ) {
mComposer->addAttach( *it );
}
break;
}
}
else if ( QTextDrag::canDecode( e ) ) {
QString s;
if ( QTextDrag::decode( e, s ) )
insert( s );
}
else
kdDebug(5006) << "KMEdit::contentsDropEvent, unable to add dropped object" << endl;
}
else if( e->provides("text/x-textsnippet") ) {
emit insertSnippet();
}
else {
KEdit::contentsDropEvent(e);
}
}
KMEdit::KMEdit(QWidget *parent, KMComposeWin* composer,
KSpellConfig* autoSpellConfig,
const char *name)
: KEdit( parent, name ),
mComposer( composer ),
mKSpell( 0 ),
mSpellConfig( autoSpellConfig ),
mSpellingFilter( 0 ),
mExtEditorTempFile( 0 ),
mExtEditorTempFileWatcher( 0 ),
mExtEditorProcess( 0 ),
mUseExtEditor( false ),
mWasModifiedBeforeSpellCheck( false ),
mSpellChecker( 0 ),
mSpellLineEdit( false ),
mPasteMode( QClipboard::Clipboard )
{
installEventFilter(this);
KCursor::setAutoHideCursor( this, true, true );
setOverwriteEnabled( true );
}
void KMEdit::initializeAutoSpellChecking()
{
if ( mSpellChecker )
return; // already initialized
QColor defaultColor1( 0x00, 0x80, 0x00 ); // defaults from kmreaderwin.cpp
QColor defaultColor2( 0x00, 0x70, 0x00 );
QColor defaultColor3( 0x00, 0x60, 0x00 );
QColor defaultForeground( kapp->palette().active().text() );
QColor c = Qt::red;
KConfigGroup readerConfig( KMKernel::config(), "Reader" );
QColor col1;
if ( !readerConfig.readBoolEntry( "defaultColors", true ) )
col1 = readerConfig.readColorEntry( "ForegroundColor", &defaultForeground );
else
col1 = defaultForeground;
QColor col2 = readerConfig.readColorEntry( "QuotedText3", &defaultColor3 );
QColor col3 = readerConfig.readColorEntry( "QuotedText2", &defaultColor2 );
QColor col4 = readerConfig.readColorEntry( "QuotedText1", &defaultColor1 );
QColor misspelled = readerConfig.readColorEntry( "MisspelledColor", &c );
mSpellChecker = new KDictSpellingHighlighter( this, /*active*/ true,
/*autoEnabled*/ false,
/*spellColor*/ misspelled,
/*colorQuoting*/ true,
col1, col2, col3, col4,
mSpellConfig );
connect( mSpellChecker, SIGNAL(newSuggestions(const QString&, const QStringList&, unsigned int)),
this, SLOT(addSuggestion(const QString&, const QStringList&, unsigned int)) );
}
QPopupMenu *KMEdit::createPopupMenu( const QPoint& pos )
{
enum { IdUndo, IdRedo, IdSep1, IdCut, IdCopy, IdPaste, IdClear, IdSep2, IdSelectAll };
QPopupMenu *menu = KEdit::createPopupMenu( pos );
if ( !QApplication::clipboard()->image().isNull() ) {
int id = menu->idAt(0);
menu->setItemEnabled( id - IdPaste, true);
}
return menu;
}
void KMEdit::deleteAutoSpellChecking()
{ // because the highlighter doesn't support RichText, delete its instance.
delete mSpellChecker;
mSpellChecker =0;
}
void KMEdit::addSuggestion(const QString& text, const QStringList& lst, unsigned int )
{
mReplacements[text] = lst;
}
void KMEdit::setSpellCheckingActive(bool spellCheckingActive)
{
if ( mSpellChecker ) {
mSpellChecker->setActive(spellCheckingActive);
}
}
KMEdit::~KMEdit()
{
removeEventFilter(this);
delete mKSpell;
delete mSpellChecker;
mSpellChecker = 0;
}
QString KMEdit::brokenText()
{
QString temp, line;
int num_lines = numLines();
for (int i = 0; i < num_lines; ++i)
{
int lastLine = 0;
line = textLine(i);
for (int j = 0; j < (int)line.length(); ++j)
{
if (lineOfChar(i, j) > lastLine)
{
lastLine = lineOfChar(i, j);
temp += '\n';
}
temp += line[j];
}
if (i + 1 < num_lines) temp += '\n';
}
return temp;
}
unsigned int KMEdit::lineBreakColumn() const
{
unsigned int lineBreakColumn = 0;
unsigned int numlines = numLines();
while ( numlines-- ) {
lineBreakColumn = QMAX( lineBreakColumn, textLine( numlines ).length() );
}
return lineBreakColumn;
}
bool KMEdit::eventFilter(QObject*o, QEvent* e)
{
if (o == this)
KCursor::autoHideEventFilter(o, e);
if (e->type() == QEvent::KeyPress)
{
QKeyEvent *k = (QKeyEvent*)e;
if (mUseExtEditor) {
if (k->key() == Key_Up)
{
emit focusUp();
return true;
}
// ignore modifier keys (cf. bug 48841)
if ( (k->key() == Key_Shift) || (k->key() == Key_Control) ||
(k->key() == Key_Meta) || (k->key() == Key_Alt) )
return true;
if (mExtEditorTempFile) return true;
QString sysLine = mExtEditor;
mExtEditorTempFile = new KTempFile();
mExtEditorTempFile->setAutoDelete(true);
(*mExtEditorTempFile->textStream()) << text();
mExtEditorTempFile->close();
// replace %f in the system line
sysLine.replace( "%f", mExtEditorTempFile->name() );
mExtEditorProcess = new KProcess();
mExtEditorProcess->setUseShell( true );
sysLine += " ";
while (!sysLine.isEmpty())
{
*mExtEditorProcess << sysLine.left(sysLine.find(" ")).local8Bit();
sysLine.remove(0, sysLine.find(" ") + 1);
}
connect(mExtEditorProcess, SIGNAL(processExited(KProcess*)),
SLOT(slotExternalEditorDone(KProcess*)));
if (!mExtEditorProcess->start())
{
KMessageBox::error( topLevelWidget(),
i18n("Unable to start external editor.") );
killExternalEditor();
} else {
mExtEditorTempFileWatcher = new KDirWatch( this, "mExtEditorTempFileWatcher" );
connect( mExtEditorTempFileWatcher, SIGNAL(dirty(const QString&)),
SLOT(slotExternalEditorTempFileChanged(const QString&)) );
mExtEditorTempFileWatcher->addFile( mExtEditorTempFile->name() );
}
return true;
} else {
// ---sven's Arrow key navigation start ---
// Key Up in first line takes you to Subject line.
if (k->key() == Key_Up && k->state() != ShiftButton && currentLine() == 0
&& lineOfChar(0, currentColumn()) == 0)
{
deselect();
emit focusUp();
return true;
}
// ---sven's Arrow key navigation end ---
if (k->key() == Key_Backtab && k->state() == ShiftButton)
{
deselect();
emit focusUp();
return true;
}
}
} else if ( e->type() == QEvent::ContextMenu ) {
QContextMenuEvent *event = (QContextMenuEvent*) e;
int para = 1, charPos, firstSpace, lastSpace;
//Get the character at the position of the click
charPos = charAt( viewportToContents(event->pos()), &para );
QString paraText = text( para );
if( !paraText.at(charPos).isSpace() )
{
//Get word right clicked on
const QRegExp wordBoundary( "[\\s\\W]" );
firstSpace = paraText.findRev( wordBoundary, charPos ) + 1;
lastSpace = paraText.find( wordBoundary, charPos );
if( lastSpace == -1 )
lastSpace = paraText.length();
QString word = paraText.mid( firstSpace, lastSpace - firstSpace );
//Continue if this word was misspelled
if( !word.isEmpty() && mReplacements.contains( word ) )
{
KPopupMenu p;
p.insertTitle( i18n("Suggestions") );
//Add the suggestions to the popup menu
QStringList reps = mReplacements[word];
if( reps.count() > 0 )
{
int listPos = 0;
for ( QStringList::Iterator it = reps.begin(); it != reps.end(); ++it ) {
p.insertItem( *it, listPos );
listPos++;
}
}
else
{
p.insertItem( QString::fromLatin1("No Suggestions"), -2 );
}
//Execute the popup inline
int id = p.exec( mapToGlobal( event->pos() ) );
if( id > -1 )
{
//Save the cursor position
int parIdx = 1, txtIdx = 1;
getCursorPosition(&parIdx, &txtIdx);
setSelection(para, firstSpace, para, lastSpace);
insert(mReplacements[word][id]);
// Restore the cursor position; if the cursor was behind the
// misspelled word then adjust the cursor position
if ( para == parIdx && txtIdx >= lastSpace )
txtIdx += mReplacements[word][id].length() - word.length();
setCursorPosition(parIdx, txtIdx);
}
//Cancel original event
return true;
}
}
} else if ( e->type() == QEvent::FocusIn || e->type() == QEvent::FocusOut ) {
QFocusEvent *fe = static_cast<QFocusEvent*>(e);
if(! (fe->reason() == QFocusEvent::ActiveWindow || fe->reason() == QFocusEvent::Popup) )
emit focusChanged( fe->gotFocus() );
}
return KEdit::eventFilter(o, e);
}
int KMEdit::autoSpellChecking( bool on )
{
if ( textFormat() == Qt::RichText ) {
// syntax highlighter doesn't support extended text properties
if ( on )
KMessageBox::sorry(this, i18n("Automatic spellchecking is not possible on text with markup."));
return -1;
}
if ( mSpellChecker ) {
// don't autoEnable spell checking if the user turned spell checking off
mSpellChecker->setAutomatic( on );
mSpellChecker->setActive( on );
}
return 1;
}
void KMEdit::slotExternalEditorTempFileChanged( const QString & fileName ) {
if ( !mExtEditorTempFile )
return;
if ( fileName != mExtEditorTempFile->name() )
return;
// read data back in from file
setAutoUpdate(false);
clear();
insertLine(QString::fromLocal8Bit(KPIM::kFileToString( fileName, true, false )), -1);
setAutoUpdate(true);
repaint();
}
void KMEdit::slotExternalEditorDone( KProcess * proc ) {
assert(proc == mExtEditorProcess);
// make sure, we update even when KDirWatcher is too slow:
slotExternalEditorTempFileChanged( mExtEditorTempFile->name() );
killExternalEditor();
}
void KMEdit::killExternalEditor() {
delete mExtEditorTempFileWatcher; mExtEditorTempFileWatcher = 0;
delete mExtEditorTempFile; mExtEditorTempFile = 0;
delete mExtEditorProcess; mExtEditorProcess = 0;
}
bool KMEdit::checkExternalEditorFinished() {
if ( !mExtEditorProcess )
return true;
switch ( KMessageBox::warningYesNoCancel( topLevelWidget(),
i18n("The external editor is still running.\n"
"Abort the external editor or leave it open?"),
i18n("External Editor"),
i18n("Abort Editor"), i18n("Leave Editor Open") ) ) {
case KMessageBox::Yes:
killExternalEditor();
return true;
case KMessageBox::No:
return true;
default:
return false;
}
}
void KMEdit::spellcheck()
{
if ( mKSpell )
return;
mWasModifiedBeforeSpellCheck = isModified();
mSpellLineEdit = !mSpellLineEdit;
// maybe for later, for now plaintext is given to KSpell
// if (textFormat() == Qt::RichText ) {
// kdDebug(5006) << "KMEdit::spellcheck, spellchecking for RichText" << endl;
// mKSpell = new KSpell(this, i18n("Spellcheck - KMail"), this,
// SLOT(slotSpellcheck2(KSpell*)),0,true,false,KSpell::HTML);
// }
// else {
mKSpell = new KSpell(this, i18n("Spellcheck - KMail"), this,
SLOT(slotSpellcheck2(KSpell*)));
// }
QStringList l = KSpellingHighlighter::personalWords();
for ( QStringList::Iterator it = l.begin(); it != l.end(); ++it ) {
mKSpell->addPersonal( *it );
}
connect (mKSpell, SIGNAL( death()),
this, SLOT (slotSpellDone()));
connect (mKSpell, SIGNAL (misspelling (const QString &, const QStringList &, unsigned int)),
this, SLOT (slotMisspelling (const QString &, const QStringList &, unsigned int)));
connect (mKSpell, SIGNAL (corrected (const QString &, const QString &, unsigned int)),
this, SLOT (slotCorrected (const QString &, const QString &, unsigned int)));
connect (mKSpell, SIGNAL (done(const QString &)),
this, SLOT (slotSpellResult (const QString&)));
}
void KMEdit::cut()
{
KEdit::cut();
if ( textFormat() != Qt::RichText && mSpellChecker )
mSpellChecker->restartBackgroundSpellCheck();
}
void KMEdit::clear()
{
KEdit::clear();
if ( textFormat() != Qt::RichText && mSpellChecker )
mSpellChecker->restartBackgroundSpellCheck();
}
void KMEdit::del()
{
KEdit::del();
if ( textFormat() != Qt::RichText && mSpellChecker )
mSpellChecker->restartBackgroundSpellCheck();
}
void KMEdit::paste()
{
mComposer->paste( mPasteMode );
}
// KMEdit indirectly inherits from QTextEdit, which has virtual paste() method,
// but it controls whether it pastes clipboard or selection by an internal
// flag that is not accessible in any way, so paste() being virtual is actually
// useless, because reimplementations can't known where to paste from anyway.
// Roll our own internal flag.
void KMEdit::contentsMouseReleaseEvent( QMouseEvent * e )
{
if( e->button() != Qt::MidButton )
return KEdit::contentsMouseReleaseEvent( e );
mPasteMode = QClipboard::Selection;
KEdit::contentsMouseReleaseEvent( e );
mPasteMode = QClipboard::Clipboard;
}
void KMEdit::slotMisspelling(const QString &text, const QStringList &lst, unsigned int pos)
{
kdDebug(5006)<<"void KMEdit::slotMisspelling(const QString &text, const QStringList &lst, unsigned int pos) : "<<text <<endl;
if( mSpellLineEdit )
mComposer->sujectLineWidget()->spellCheckerMisspelling( text, lst, pos);
else
misspelling(text, lst, pos);
}
void KMEdit::slotCorrected (const QString &oldWord, const QString &newWord, unsigned int pos)
{
kdDebug(5006)<<"slotCorrected (const QString &oldWord, const QString &newWord, unsigned int pos) : "<<oldWord<<endl;
if( mSpellLineEdit )
mComposer->sujectLineWidget()->spellCheckerCorrected( oldWord, newWord, pos);
else {
unsigned int l = 0;
unsigned int cnt = 0;
bool _bold,_underline,_italic;
QColor _color;
QFont _font;
posToRowCol (pos, l, cnt);
setCursorPosition(l, cnt+1); // the new word will get the same markup now as the first character of the word
_bold = bold();
_underline = underline();
_italic = italic();
_color = color();
_font = currentFont();
corrected(oldWord, newWord, pos);
setSelection (l, cnt, l, cnt+newWord.length());
setBold(_bold);
setItalic(_italic);
setUnderline(_underline);
setColor(_color);
setCurrentFont(_font);
}
}
void KMEdit::slotSpellcheck2(KSpell*)
{
if( !mSpellLineEdit)
{
spellcheck_start();
QString quotePrefix;
if(mComposer && mComposer->msg())
{
int languageNr = GlobalSettings::self()->replyCurrentLanguage();
ReplyPhrases replyPhrases( QString::number(languageNr) );
replyPhrases.readConfig();
quotePrefix = mComposer->msg()->formatString(
replyPhrases.indentPrefix() );
}
kdDebug(5006) << "spelling: new SpellingFilter with prefix=\"" << quotePrefix << "\"" << endl;
QTextEdit plaintext;
plaintext.setText(text());
plaintext.setTextFormat(Qt::PlainText);
mSpellingFilter = new SpellingFilter(plaintext.text(), quotePrefix, SpellingFilter::FilterUrls,
SpellingFilter::FilterEmailAddresses);
mKSpell->check(mSpellingFilter->filteredText());
}
else if( mComposer )
mKSpell->check( mComposer->sujectLineWidget()->text());
}
void KMEdit::slotSpellResult(const QString &s)
{
if( !mSpellLineEdit)
spellcheck_stop();
int dlgResult = mKSpell->dlgResult();
if ( dlgResult == KS_CANCEL )
{
if( mSpellLineEdit)
{
//stop spell check
mSpellLineEdit = false;
QString tmpText( s );
tmpText = tmpText.remove('\n');
if( tmpText != mComposer->sujectLineWidget()->text() )
mComposer->sujectLineWidget()->setText( tmpText );
}
else
{
setModified(true);
}
}
mKSpell->cleanUp();
KDictSpellingHighlighter::dictionaryChanged();
emit spellcheck_done( dlgResult );
}
void KMEdit::slotSpellDone()
{
kdDebug(5006)<<" void KMEdit::slotSpellDone()\n";
KSpell::spellStatus status = mKSpell->status();
delete mKSpell;
mKSpell = 0;
kdDebug(5006) << "spelling: delete SpellingFilter" << endl;
delete mSpellingFilter;
mSpellingFilter = 0;
mComposer->sujectLineWidget()->deselect();
if (status == KSpell::Error)
{
KMessageBox::sorry( topLevelWidget(),
i18n("ISpell/Aspell could not be started. Please "
"make sure you have ISpell or Aspell properly "
"configured and in your PATH.") );
emit spellcheck_done( KS_CANCEL );
}
else if (status == KSpell::Crashed)
{
spellcheck_stop();
KMessageBox::sorry( topLevelWidget(),
i18n("ISpell/Aspell seems to have crashed.") );
emit spellcheck_done( KS_CANCEL );
}
else
{
if( mSpellLineEdit )
spellcheck();
else if( !mComposer->subjectTextWasSpellChecked() && status == KSpell::FinishedNoMisspellingsEncountered )
KMessageBox::information( topLevelWidget(),
i18n("No misspellings encountered.") );
}
}
void KMEdit::setCursorPositionFromStart( unsigned int pos ) {
unsigned int l = 0;
unsigned int c = 0;
posToRowCol( pos, l, c );
// kdDebug() << "Num lines: " << numLines() << endl;
// kdDebug() << "Position " << pos << " converted to " << l << ":" << c << endl;
setCursorPosition( l, c );
ensureCursorVisible();
}
#include "kmedit.moc"
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