Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdepim@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 495 insertions, 0 deletions

diff --git a/knotes/knoteedit.cpp b/knotes/knoteedit.cpp
new file mode 100644
index 00000000..2398df19
--- /dev/null
+++ b/knotes/knoteedit.cpp
@@ -0,0 +1,495 @@
+/*******************************************************************
+ KNotes -- Notes for the KDE project
+
+ Copyright (c) 1997-2005, The KNotes Developers
+
+ 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.
+
+ 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.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+*******************************************************************/
+
+#include <qdragobject.h>
+#include <qfont.h>
+
+#include <kdebug.h>
+#include <klocale.h>
+#include <kaction.h>
+#include <kurldrag.h>
+#include <kstdaction.h>
+#include <kcolordialog.h>
+
+#include "knoteedit.h"
+
+static const short SEP = 5;
+static const short ICON_SIZE = 10;
+
+
+KNoteEdit::KNoteEdit( KActionCollection *actions, QWidget *parent, const char *name )
+    : KTextEdit( parent, name )
+{
+    setAcceptDrops( true );
+    setWordWrap( WidgetWidth );
+    setWrapPolicy( AtWhiteSpace );
+    setLinkUnderline( true );
+
+    // create the actions for the RMB menu
+    KAction* undo = KStdAction::undo( this, SLOT(undo()), actions );
+    KAction* redo = KStdAction::redo( this, SLOT(redo()), actions );
+    undo->setEnabled( isUndoAvailable() );
+    redo->setEnabled( isRedoAvailable() );
+
+    m_cut = KStdAction::cut( this, SLOT(cut()), actions );
+    m_copy = KStdAction::copy( this, SLOT(copy()), actions );
+    m_paste = KStdAction::paste( this, SLOT(paste()), actions );
+
+    m_cut->setEnabled( false );
+    m_copy->setEnabled( false );
+    m_paste->setEnabled( true );
+
+    connect( this, SIGNAL(undoAvailable(bool)), undo, SLOT(setEnabled(bool)) );
+    connect( this, SIGNAL(redoAvailable(bool)), redo, SLOT(setEnabled(bool)) );
+
+    connect( this, SIGNAL(copyAvailable(bool)), m_cut, SLOT(setEnabled(bool)) );
+    connect( this, SIGNAL(copyAvailable(bool)), m_copy, SLOT(setEnabled(bool)) );
+
+    new KAction( KStdGuiItem::clear(), 0, this, SLOT(clear()), actions, "edit_clear" );
+    KStdAction::selectAll( this, SLOT(selectAll()), actions );
+
+    // create the actions modifying the text format
+    m_textBold = new KToggleAction( i18n("Bold"), "text_bold", CTRL + Key_B, 0, 0,
+                                    actions, "format_bold" );
+    m_textItalic = new KToggleAction( i18n("Italic"), "text_italic", CTRL + Key_I, 0, 0,
+                                      actions, "format_italic" );
+    m_textUnderline = new KToggleAction( i18n("Underline"), "text_under", CTRL + Key_U, 0, 0,
+                                         actions, "format_underline" );
+    m_textStrikeOut = new KToggleAction( i18n("Strike Out"), "text_strike", CTRL + Key_S, 0, 0,
+                                         actions, "format_strikeout" );
+
+    connect( m_textBold, SIGNAL(toggled(bool)), SLOT(setBold(bool)) );
+    connect( m_textItalic, SIGNAL(toggled(bool)), SLOT(setItalic(bool)) );
+    connect( m_textUnderline, SIGNAL(toggled(bool)), SLOT(setUnderline(bool)) );
+    connect( m_textStrikeOut, SIGNAL(toggled(bool)), SLOT(textStrikeOut(bool)) );
+
+    m_textAlignLeft = new KToggleAction( i18n("Align Left"), "text_left", ALT + Key_L,
+                                 this, SLOT(textAlignLeft()),
+                                 actions, "format_alignleft" );
+    m_textAlignLeft->setChecked( true ); // just a dummy, will be updated later
+    m_textAlignCenter = new KToggleAction( i18n("Align Center"), "text_center", ALT + Key_C,
+                                 this, SLOT(textAlignCenter()),
+                                 actions, "format_aligncenter" );
+    m_textAlignRight = new KToggleAction( i18n("Align Right"), "text_right", ALT + Key_R,
+                                 this, SLOT(textAlignRight()),
+                                 actions, "format_alignright" );
+    m_textAlignBlock = new KToggleAction( i18n("Align Block"), "text_block", ALT + Key_B,
+                                 this, SLOT(textAlignBlock()),
+                                 actions, "format_alignblock" );
+
+    m_textAlignLeft->setExclusiveGroup( "align" );
+    m_textAlignCenter->setExclusiveGroup( "align" );
+    m_textAlignRight->setExclusiveGroup( "align" );
+    m_textAlignBlock->setExclusiveGroup( "align" );
+
+    m_textList = new KToggleAction( i18n("List"), "enum_list", 0,
+                                    this, SLOT(textList()),
+                                    actions, "format_list" );
+
+    m_textList->setExclusiveGroup( "style" );
+
+    m_textSuper = new KToggleAction( i18n("Superscript"), "text_super", 0,
+                                     this, SLOT(textSuperScript()),
+                                     actions, "format_super" );
+    m_textSub = new KToggleAction( i18n("Subscript"), "text_sub", 0,
+                                   this, SLOT(textSubScript()),
+                                   actions, "format_sub" );
+
+    m_textSuper->setExclusiveGroup( "valign" );
+    m_textSub->setExclusiveGroup( "valign" );
+
+// There is no easy possibility to implement text indenting with QTextEdit
+//
+//     m_textIncreaseIndent = new KAction( i18n("Increase Indent"), "format_increaseindent", 0,
+//                                         this, SLOT(textIncreaseIndent()),
+//                                         actions, "format_increaseindent" );
+//
+//     m_textDecreaseIndent = new KAction( i18n("Decrease Indent"), "format_decreaseindent", 0,
+//                                         this, SLOT(textDecreaseIndent()),
+//                                         actions, "format_decreaseindent" );
+
+    QPixmap pix( ICON_SIZE, ICON_SIZE );
+    pix.fill( black );     // just a dummy, gets updated before widget is shown
+    m_textColor = new KAction( i18n("Text Color..."), pix, 0, this,
+                                  SLOT(textColor()), actions, "format_color" );
+
+    m_textFont = new KFontAction( i18n("Text Font"), "text", KKey(),
+                                  actions, "format_font" );
+    connect( m_textFont, SIGNAL(activated( const QString & )),
+             this, SLOT(setFamily( const QString & )) );
+
+    m_textSize = new KFontSizeAction( i18n("Text Size"), KKey(),
+                                      actions, "format_size" );
+    connect( m_textSize, SIGNAL(fontSizeChanged( int )),
+             this, SLOT(setPointSize( int )) );
+
+    // QTextEdit connections
+    connect( this, SIGNAL(returnPressed()), SLOT(slotReturnPressed()) );
+    connect( this, SIGNAL(currentFontChanged( const QFont & )),
+             this, SLOT(fontChanged( const QFont & )) );
+    connect( this, SIGNAL(currentColorChanged( const QColor & )),
+             this, SLOT(colorChanged( const QColor & )) );
+    connect( this, SIGNAL(currentAlignmentChanged( int )),
+             this, SLOT(alignmentChanged( int )) );
+    connect( this, SIGNAL(currentVerticalAlignmentChanged( VerticalAlignment )),
+             this, SLOT(verticalAlignmentChanged( VerticalAlignment )) );
+}
+
+KNoteEdit::~KNoteEdit()
+{
+}
+
+void KNoteEdit::setText( const QString& text )
+{
+    // to update the font and font size combo box - QTextEdit stopped
+    // emitting the currentFontChanged signal with the new optimizations
+    KTextEdit::setText( text );
+    fontChanged( currentFont() );
+}
+
+void KNoteEdit::setTextFont( const QFont& font )
+{
+    if ( textFormat() == PlainText )
+        setFont( font );
+    else
+        setCurrentFont( font );
+}
+
+void KNoteEdit::setTextColor( const QColor& color )
+{
+    setColor( color );
+    colorChanged( color );
+}
+
+void KNoteEdit::setTabStop( int tabs )
+{
+    QFontMetrics fm( font() );
+    setTabStopWidth( fm.width( 'x' ) * tabs );
+}
+
+void KNoteEdit::setAutoIndentMode( bool newmode )
+{
+    m_autoIndentMode = newmode;
+}
+
+
+/** public slots **/
+
+void KNoteEdit::setTextFormat( TextFormat f )
+{
+    if ( f == textFormat() )
+        return;
+
+    if ( f == RichText )
+    {
+        QString t = text();
+        KTextEdit::setTextFormat( f );
+
+        // if the note contains html/xml source try to display it, otherwise
+        // get the modified text again and set it to preserve newlines
+        if ( QStyleSheet::mightBeRichText( t ) )
+            setText( t );
+        else
+            setText( text() );
+
+        enableRichTextActions();
+    }
+    else
+    {
+        KTextEdit::setTextFormat( f );
+        QString t = text();
+        setText( t );
+
+        disableRichTextActions();
+    }
+}
+
+void KNoteEdit::textStrikeOut( bool s )
+{
+    // QTextEdit does not support stroke out text (no saving,
+    // no changing of more than one selected character)
+    QFont font;
+
+    if ( !hasSelectedText() )
+    {
+        font = currentFont();
+        font.setStrikeOut( s );
+        setCurrentFont( font );
+    }
+    else
+    {
+        int pFrom, pTo, iFrom, iTo, iF, iT;
+        int cp, ci;
+
+        getSelection( &pFrom, &iFrom, &pTo, &iTo );
+        getCursorPosition( &cp, &ci );
+
+        for ( int p = pFrom; p <= pTo; p++ )
+        {
+            iF = 0;
+            iT = paragraphLength( p );
+
+            if ( p == pFrom )
+                iF = iFrom;
+
+            if ( p == pTo )
+                iT = iTo;
+
+            for ( int i = iF; i < iT; i++ )
+            {
+                setCursorPosition( p, i + 1 );
+                setSelection( p, i, p, i + 1 );
+                font = currentFont();
+                font.setStrikeOut( s );
+                setCurrentFont( font );
+            }
+        }
+
+        setSelection( pFrom, iFrom, pTo, iTo );
+        setCursorPosition( cp, ci );
+    }
+}
+
+void KNoteEdit::textColor()
+{
+    QColor c = color();
+    int ret = KColorDialog::getColor( c, this );
+    if ( ret == QDialog::Accepted )
+        setTextColor( c );
+}
+
+void KNoteEdit::textAlignLeft()
+{
+    setAlignment( AlignLeft );
+    m_textAlignLeft->setChecked( true );
+}
+
+void KNoteEdit::textAlignCenter()
+{
+    setAlignment( AlignCenter );
+    m_textAlignCenter->setChecked( true );
+}
+
+void KNoteEdit::textAlignRight()
+{
+    setAlignment( AlignRight );
+    m_textAlignRight->setChecked( true );
+}
+
+void KNoteEdit::textAlignBlock()
+{
+    setAlignment( AlignJustify );
+    m_textAlignBlock->setChecked( true );
+}
+
+void KNoteEdit::textList()
+{
+    if ( m_textList->isChecked() )
+        setParagType( QStyleSheetItem::DisplayListItem, QStyleSheetItem::ListDisc );
+    else
+        setParagType( QStyleSheetItem::DisplayBlock, QStyleSheetItem::ListDisc );
+}
+
+void KNoteEdit::textSuperScript()
+{
+    if ( m_textSuper->isChecked() )
+        setVerticalAlignment( AlignSuperScript );
+    else
+        setVerticalAlignment( AlignNormal );
+}
+
+void KNoteEdit::textSubScript()
+{
+    if ( m_textSub->isChecked() )
+        setVerticalAlignment( AlignSubScript );
+    else
+        setVerticalAlignment( AlignNormal );
+}
+
+//void KNoteEdit::textIncreaseIndent()
+//{
+//}
+
+//void KNoteEdit::textDecreaseIndent()
+//{
+//}
+
+
+/** protected methods **/
+
+void KNoteEdit::contentsDragEnterEvent( QDragEnterEvent *e )
+{
+    if ( KURLDrag::canDecode( e ) )
+        e->accept();
+    else
+        KTextEdit::contentsDragEnterEvent( e );
+}
+
+void KNoteEdit::contentsDropEvent( QDropEvent *e )
+{
+    KURL::List list;
+
+    if ( KURLDrag::decode( e, list ) )
+        for ( KURL::List::Iterator it = list.begin(); it != list.end(); ++it )
+        {
+            if ( it != list.begin() )
+                insert( ", " );
+
+            insert( (*it).prettyURL() );
+        }
+    else
+        KTextEdit::contentsDropEvent( e );
+}
+
+/** private slots **/
+
+void KNoteEdit::slotReturnPressed()
+{
+    if ( m_autoIndentMode )
+        autoIndent();
+}
+
+void KNoteEdit::fontChanged( const QFont &f )
+{
+    m_textFont->setFont( f.family() );
+    m_textSize->setFontSize( f.pointSize() );
+
+    m_textBold->setChecked( f.bold() );
+    m_textItalic->setChecked( f.italic() );
+    m_textUnderline->setChecked( f.underline() );
+    m_textStrikeOut->setChecked( f.strikeOut() );
+}
+
+void KNoteEdit::colorChanged( const QColor &c )
+{
+    QPixmap pix( ICON_SIZE, ICON_SIZE );
+    pix.fill( c );
+    m_textColor->setIconSet( pix );
+}
+
+void KNoteEdit::alignmentChanged( int a )
+{
+    // TODO: AlignAuto
+    if ( ( a == AlignAuto ) || ( a & AlignLeft ) )
+        m_textAlignLeft->setChecked( true );
+    else if ( ( a & AlignHCenter ) )
+        m_textAlignCenter->setChecked( true );
+    else if ( ( a & AlignRight ) )
+        m_textAlignRight->setChecked( true );
+    else if ( ( a & AlignJustify ) )
+        m_textAlignBlock->setChecked( true );
+}
+
+void KNoteEdit::verticalAlignmentChanged( VerticalAlignment a )
+{
+    if ( a == AlignNormal )
+    {
+        m_textSuper->setChecked( false );
+        m_textSub->setChecked( false );
+    }
+    else if ( a == AlignSuperScript )
+        m_textSuper->setChecked( true );
+    else if ( a == AlignSubScript )
+        m_textSub->setChecked( true );
+}
+
+
+/** private methods **/
+
+void KNoteEdit::autoIndent()
+{
+    int para, index;
+    QString string;
+    getCursorPosition( &para, &index );
+    while ( para > 0 && string.stripWhiteSpace().isEmpty() )
+        string = text( --para );
+
+    if ( string.stripWhiteSpace().isEmpty() )
+        return;
+
+    // This routine returns the whitespace before the first non white space
+    // character in string.
+    // It is assumed that string contains at least one non whitespace character
+    // ie \n \r \t \v \f and space
+    QString indentString;
+
+    int len = string.length();
+    int i = 0;
+    while ( i < len && string.at(i).isSpace() )
+        indentString += string.at( i++ );
+
+    if ( !indentString.isEmpty() )
+        insert( indentString );
+}
+
+void KNoteEdit::emitLinkClicked( const QString &s )
+{
+    kdDebug(5500) << k_funcinfo << s << endl;
+}
+
+void KNoteEdit::enableRichTextActions()
+{
+    m_textColor->setEnabled( true );
+    m_textFont->setEnabled( true );
+    m_textSize->setEnabled( true );
+
+    m_textBold->setEnabled( true );
+    m_textItalic->setEnabled( true );
+    m_textUnderline->setEnabled( true );
+    m_textStrikeOut->setEnabled( true );
+
+    m_textAlignLeft->setEnabled( true );
+    m_textAlignCenter->setEnabled( true );
+    m_textAlignRight->setEnabled( true );
+    m_textAlignBlock->setEnabled( true );
+
+    m_textList->setEnabled( true );
+    m_textSuper->setEnabled( true );
+    m_textSub->setEnabled( true );
+
+//    m_textIncreaseIndent->setEnabled( true );
+//    m_textDecreaseIndent->setEnabled( true );
+}
+
+void KNoteEdit::disableRichTextActions()
+{
+    m_textColor->setEnabled( false );
+    m_textFont->setEnabled( false );
+    m_textSize->setEnabled( false );
+
+    m_textBold->setEnabled( false );
+    m_textItalic->setEnabled( false );
+    m_textUnderline->setEnabled( false );
+    m_textStrikeOut->setEnabled( false );
+
+    m_textAlignLeft->setEnabled( false );
+    m_textAlignCenter->setEnabled( false );
+    m_textAlignRight->setEnabled( false );
+    m_textAlignBlock->setEnabled( false );
+
+    m_textList->setEnabled( false );
+    m_textSuper->setEnabled( false );
+    m_textSub->setEnabled( false );
+
+//    m_textIncreaseIndent->setEnabled( false );
+//    m_textDecreaseIndent->setEnabled( false );
+}
+
+#include "knoteedit.moc"