ksirc/topic.cpp

   1 /* This file is part of the KDE project
   2    Copyright (C) 2001 Simon Hausmann <hausmann@kde.org>
   3
   4    This program is free software; you can redistribute it and/or
   5    modify it under the terms of the Artistic License.
   6 */
   7
   8
   9 #include "topic.h"
  10
  11 #include <qapplication.h>
  12 #include <qtimer.h>
  13 #include <qregexp.h>
  14 #include <qlayout.h>
  15 #include <q3textedit.h>
  16 #include <qtooltip.h>
  17 //Added by qt3to4:
  18 #include <QMouseEvent>
  19 #include <Q3Frame>
  20 #include <QFocusEvent>
  21 #include <QKeyEvent>
  22 #include <Q3PopupMenu>
  23
  24 #include <kapplication.h>
  25 #include <kdebug.h>
  26 #include <klocale.h>
  27 #include <krun.h>
  28 #include <kmenu.h>
  29 #include <kstringhandler.h>
  30 #include <kfiledialog.h>
  31 #include <kio/job.h>
  32
  33 #include "ksopts.h"
  34 #include "ksparser.h"
  35
  36 using namespace Qt;
  37
  38 // FIXME: name is no longer a parameter of KActiveLabel's constructor.
  39 // Check if we needed it for anything.
  40 KSircTopic::KSircTopic( QWidget *parent, const char *name )
  41     : KActiveLabel( parent )
  42 {
  43     m_editor = 0;
  44     m_doEdit = false;
  45     m_height = 0;
  46 //    setBackgroundColor( colorGroup().light() );
  47     setFrameStyle( Q3Frame::Panel | Q3Frame::Sunken );
  48     setSizePolicy( QSizePolicy( QSizePolicy::Expanding, QSizePolicy::Fixed ) );
  49     setTextFormat( RichText );
  50     setWordWrapMode( QTextOption::NoWrap);
  51     doResize();
  52 //    setAlignment( alignment() | WordBreak );
  53 }
  54
  55 void KSircTopic::setText( const QString &_text)
  56 {
  57     m_text = _text; /* save a raw copy for us */
  58     QString text = _text;
  59
  60     QString richText( "<font color=\"%1\">" );
  61     richText = richText.arg( ksopts->textColor.name() );
  62
  63     text.replace('&', "&amp;");
  64     text.replace('<', "&lt;");
  65     text.replace('>', "&gt;");
  66
  67     text.replace('~', "~~");
  68
  69     // ### a bit of a hack: turn '&lt;nick&gt; message' into
  70     // <span>&lt;nick&gt;<span> message' . span itself isn't supported but it
  71     // enforces the creation of separate item objects and hence separate
  72     // drawing of '<nick>' and 'message' , which is needed for BiDi users,
  73     // according to UV Kochavi <uv1st@yahoo.com> , to prevent output like
  74     // '<nick message<' , which is supposedly a bug in Qt's reordering.  The
  75     // same is done for [nick] and >nick< to catch queries.
  76     QRegExp bidiRe( "^(&lt;\\S+&gt;)(.+)$" );
  77     text.replace( bidiRe, QString::fromLatin1( "<span>\\1</span>\\2" ) );
  78     QRegExp bidiRe2( "^(\\[\\S+\\])(.+)$" );
  79     text.replace( bidiRe2, QString::fromLatin1( "<span>\\1</span>\\2" ) );
  80     QRegExp bidiRe3( "^(&gt;\\S+&lt;)(.+)$" );
  81     text.replace( bidiRe3, QString::fromLatin1( "<span>\\1</span>\\2" ) );
  82
  83     KSParser parser;
  84     richText += parser.parse( text );
  85     richText += "</font>";
  86
  87     richText = KStringHandler::tagURLs( richText );
  88     KActiveLabel::setText(richText);
  89
  90     doResize();
  91
  92 }
  93
  94 void KSircTopic::mouseDoubleClickEvent( QMouseEvent * )
  95 {
  96     m_doEdit = true;
  97 }
  98
  99 void KSircTopic::mouseReleaseEvent( QMouseEvent *e )
 100 {
 101     if ( m_doEdit ) {
 102         m_doEdit = false;
 103
 104         if ( m_editor )
 105             return;
 106
 107         doResize();
 108
 109         m_editor = new KSircTopicEditor( this );
 110
 111         connect( m_editor, SIGNAL( returnPressed() ),
 112                  this, SLOT( setNewTopic() ) );
 113         connect( m_editor, SIGNAL( resized() ),
 114                  this, SLOT( slotEditResized() ) );
 115         connect( m_editor, SIGNAL( destroyed() ),
 116                  this, SLOT( doResize() ) );
 117
 118         /*
 119          * If you don't do this order
 120          * the size really breaks and you get
 121          * a huge widget
 122          */
 123         m_editor->setGeometry( geometry() );
 124         m_editor->setFocus();
 125         m_editor->show();
 126
 127         m_editor->setText( m_text );
 128         QToolTip::remove(this);
 129
 130     }
 131     KActiveLabel::mouseReleaseEvent(e);
 132 }
 133
 134 void KSircTopic::setNewTopic()
 135 {
 136     QString topic = m_editor->text().trimmed();
 137
 138     /*
 139      * don't change the channel display
 140      * test since if it is set we'll get it
 141      * from the server.  If we can't set the topic
 142      * don't make it look like it was set
 143      */
 144     QTimer::singleShot( 0, m_editor, SLOT( close() ) );
 145     disconnect( m_editor, SIGNAL( resized() ),
 146              this, SLOT( slotEditResized() ) );
 147     doResize();
 148     emit topicChange( topic );
 149 }
 150
 151 void KSircTopic::slotEditResized( )
 152 {
 153     setFixedHeight( m_editor->height() );
 154 }
 155
 156
 157 void KSircTopic::doResize()
 158 {
 159
 160     int h;
 161     QFontMetrics metrics( currentFont() );
 162
 163     h = metrics.lineSpacing()+8;
 164     m_height = h;
 165     setFixedHeight( h );
 166
 167
 168     QToolTip::remove(this);
 169     QStringList sep = QStringList::split(" ", m_text);
 170     int len = 0;
 171     QString brok;
 172     QStringList::Iterator it = sep.begin();
 173     for(; it != sep.end(); ++it) {
 174         brok += *it + " ";
 175         len += (*it).length();
 176         if(len >= 50){
 177             brok += "\n";
 178             len = 0;
 179         }
 180     }
 181
 182     this->setToolTip( brok);
 183
 184 }
 185
 186 void KSircTopic::fontChange(QFont &f)
 187 {
 188     KActiveLabel::fontChange(f);
 189     doResize();
 190 }
 191
 192 KSircTopicEditor::KSircTopicEditor( QWidget *parent, const char *name )
 193     : Q3TextEdit( parent, name )
 194 {
 195     setAttribute( Qt::WA_DeleteOnClose );
 196     setFocusPolicy( Qt::ClickFocus );
 197     connect( this, SIGNAL( textChanged () ), this, SLOT( slotMaybeResize() ) );
 198 }
 199
 200 void KSircTopicEditor::keyPressEvent( QKeyEvent *ev )
 201 {
 202     if ( ev->key() == Key_Escape )
 203     {
 204         ev->accept();
 205         QTimer::singleShot( 0, this, SLOT( close() ) );
 206         return;
 207     }
 208     else if ( ev->key() == Key_Return )
 209     {
 210         ev->accept();
 211         emit returnPressed();
 212         return;
 213     }
 214     Q3TextEdit::keyPressEvent( ev );
 215 }
 216
 217 void KSircTopicEditor::focusOutEvent( QFocusEvent * fe )
 218 {
 219     // we don't want to quit editing when someone brings up QLE's popup
 220     // menu
 221     if ( fe->reason() == QFocusEvent::Popup  )
 222     {
 223         QWidget *focusw = qApp->focusWidget();
 224         if ( focusw && m_popup && focusw == m_popup )
 225             return;
 226     }
 227
 228     QTimer::singleShot( 0, this, SLOT( close() ) );
 229 }
 230
 231 Q3PopupMenu *KSircTopicEditor::createPopupMenu( const QPoint &pos )
 232 {
 233     Q3PopupMenu *popup = Q3TextEdit::createPopupMenu( pos );
 234     m_popup = popup;
 235     return popup;
 236 }
 237
 238 void KSircTopicEditor::slotMaybeResize()
 239 {
 240     if(text().contains("\n")){
 241         QString s = text();
 242         s.replace('\n', " ");
 243         setText(s);
 244         setCursorPosition(0, s.length());
 245     }
 246
 247     QFontMetrics metrics( currentFont() );
 248
 249     int h = metrics.lineSpacing() * lines()+8;
 250     setFixedHeight( h );
 251     emit resized();
 252 }
 253
 254 #include "topic.moc"