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tdepim/knotes/knoteedit.cpp

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/*******************************************************************
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 <tqdragobject.h>
#include <tqfont.h>
#include <kdebug.h>
#include <klocale.h>
#include <kaction.h>
#include <kurldrag.h>
#include <kstdaction.h>
#include <kcolordialog.h>
#include <tqpopupmenu.h>
#include <kiconloader.h>
#include "knoteedit.h"
#include "knote.h"
static const short SEP = 5;
static const short ICON_SIZE = 10;
KNoteEdit::KNoteEdit( KActionCollection *actions, TQWidget *parent, const char *name )
: KTextEdit( parent, name ), m_note( 0 )
{
setAcceptDrops( true );
setWordWrap( WidgetWidth );
setWrapPolicy( AtWhiteSpace );
setLinkUnderline( true );
setCheckSpellingEnabled(false);
// create the actions for the RMB menu
undo = KStdAction::undo( TQT_TQOBJECT(this), TQT_SLOT(undo()), actions );
redo = KStdAction::redo( TQT_TQOBJECT(this), TQT_SLOT(redo()), actions );
undo->setEnabled( isUndoAvailable() );
redo->setEnabled( isRedoAvailable() );
m_cut = KStdAction::cut( TQT_TQOBJECT(this), TQT_SLOT(cut()), actions );
m_copy = KStdAction::copy( TQT_TQOBJECT(this), TQT_SLOT(copy()), actions );
m_paste = KStdAction::paste( TQT_TQOBJECT(this), TQT_SLOT(paste()), actions );
m_cut->setEnabled( false );
m_copy->setEnabled( false );
m_paste->setEnabled( true );
connect( this, TQT_SIGNAL(undoAvailable(bool)), TQT_TQOBJECT(this), TQT_SLOT(setEnabledUndo(bool)) );
connect( this, TQT_SIGNAL(redoAvailable(bool)), TQT_TQOBJECT(this), TQT_SLOT(setEnabledRedo(bool)) );
connect( this, TQT_SIGNAL(copyAvailable(bool)), TQT_TQOBJECT(this), TQT_SLOT( slotCutEnabled( bool ) ) );
connect( this, TQT_SIGNAL(copyAvailable(bool)), m_copy, TQT_SLOT(setEnabled(bool)) );
new KAction( KStdGuiItem::clear(), 0, TQT_TQOBJECT(this), TQT_SLOT(clear()), actions, "edit_clear" );
KStdAction::selectAll( TQT_TQOBJECT(this), TQT_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, TQT_SIGNAL(toggled(bool)), TQT_SLOT(setBold(bool)) );
connect( m_textItalic, TQT_SIGNAL(toggled(bool)), TQT_SLOT(setItalic(bool)) );
connect( m_textUnderline, TQT_SIGNAL(toggled(bool)), TQT_SLOT(setUnderline(bool)) );
connect( m_textStrikeOut, TQT_SIGNAL(toggled(bool)), TQT_SLOT(textStrikeOut(bool)) );
m_textAlignLeft = new KToggleAction( i18n("Align Left"), "text_left", ALT + Key_L,
TQT_TQOBJECT(this), TQT_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,
TQT_TQOBJECT(this), TQT_SLOT(textAlignCenter()),
actions, "format_aligncenter" );
m_textAlignRight = new KToggleAction( i18n("Align Right"), "text_right", ALT + Key_R,
TQT_TQOBJECT(this), TQT_SLOT(textAlignRight()),
actions, "format_alignright" );
m_textAlignBlock = new KToggleAction( i18n("Align Block"), "text_block", ALT + Key_B,
TQT_TQOBJECT(this), TQT_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,
TQT_TQOBJECT(this), TQT_SLOT(textList()),
actions, "format_list" );
m_textList->setExclusiveGroup( "style" );
m_textSuper = new KToggleAction( i18n("Superscript"), "text_super", 0,
TQT_TQOBJECT(this), TQT_SLOT(textSuperScript()),
actions, "format_super" );
m_textSub = new KToggleAction( i18n("Subscript"), "text_sub", 0,
TQT_TQOBJECT(this), TQT_SLOT(textSubScript()),
actions, "format_sub" );
m_textSuper->setExclusiveGroup( "valign" );
m_textSub->setExclusiveGroup( "valign" );
// There is no easy possibility to implement text indenting with TQTextEdit
//
// m_textIncreaseIndent = new KAction( i18n("Increase Indent"), "format_increaseindent", 0,
// TQT_TQOBJECT(this), TQT_SLOT(textIncreaseIndent()),
// actions, "format_increaseindent" );
//
// m_textDecreaseIndent = new KAction( i18n("Decrease Indent"), "format_decreaseindent", 0,
// TQT_TQOBJECT(this), TQT_SLOT(textDecreaseIndent()),
// actions, "format_decreaseindent" );
TQPixmap 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, TQT_TQOBJECT(this),
TQT_SLOT(textColor()), actions, "format_color" );
m_textFont = new KFontAction( i18n("Text Font"), "text", KKey(),
actions, "format_font" );
connect( m_textFont, TQT_SIGNAL(activated( const TQString & )),
TQT_TQOBJECT(this), TQT_SLOT(setFamily( const TQString & )) );
m_textSize = new KFontSizeAction( i18n("Text Size"), KKey(),
actions, "format_size" );
connect( m_textSize, TQT_SIGNAL(fontSizeChanged( int )),
TQT_TQOBJECT(this), TQT_SLOT(setPointSize( int )) );
// TQTextEdit connections
connect( this, TQT_SIGNAL(returnPressed()), TQT_SLOT(slotReturnPressed()) );
connect( this, TQT_SIGNAL(currentFontChanged( const TQFont & )),
TQT_TQOBJECT(this), TQT_SLOT(fontChanged( const TQFont & )) );
connect( this, TQT_SIGNAL(currentColorChanged( const TQColor & )),
TQT_TQOBJECT(this), TQT_SLOT(colorChanged( const TQColor & )) );
connect( this, TQT_SIGNAL(currentAlignmentChanged( int )),
TQT_TQOBJECT(this), TQT_SLOT(alignmentChanged( int )) );
connect( this, TQT_SIGNAL(currentVerticalAlignmentChanged( VerticalAlignment )),
TQT_TQOBJECT(this), TQT_SLOT(verticalAlignmentChanged( VerticalAlignment )) );
}
KNoteEdit::~KNoteEdit()
{
}
void KNoteEdit::setEnabledRedo( bool b )
{
redo->setEnabled( b && !isReadOnly() );
}
void KNoteEdit::setEnabledUndo( bool b )
{
undo->setEnabled( b && !isReadOnly() );
}
void KNoteEdit::slotCutEnabled( bool b )
{
m_cut->setEnabled( b && !isReadOnly() );
}
void KNoteEdit::setText( const TQString& text )
{
// to update the font and font size combo box - TQTextEdit stopped
// emitting the currentFontChanged signal with the new optimizations
KTextEdit::setText( text );
fontChanged( currentFont() );
}
void KNoteEdit::setTextFont( const TQFont& font )
{
if ( textFormat() == PlainText )
setFont( font );
else
setCurrentFont( font );
}
void KNoteEdit::setTextColor( const TQColor& color )
{
setColor( color );
colorChanged( color );
}
void KNoteEdit::setTabStop( int tabs )
{
TQFontMetrics 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 )
{
TQString 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 ( TQStyleSheet::mightBeRichText( t ) )
setText( t );
else
setText( text() );
enableRichTextActions();
}
else
{
KTextEdit::setTextFormat( f );
TQString t = text();
setText( t );
disableRichTextActions();
}
}
void KNoteEdit::textStrikeOut( bool s )
{
// TQTextEdit does not support stroke out text (no saving,
// no changing of more than one selected character)
TQFont 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()
{
if ( m_note )
m_note->blockEmitDataChanged( true );
TQColor c = color();
int ret = KColorDialog::getColor( c, this );
if ( ret == TQDialog::Accepted )
setTextColor( c );
if ( m_note )
m_note->blockEmitDataChanged( false );
}
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( TQStyleSheetItem::DisplayListItem, TQStyleSheetItem::ListDisc );
else
setParagType( TQStyleSheetItem::DisplayBlock, TQStyleSheetItem::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( TQDragEnterEvent *e )
{
if ( KURLDrag::canDecode( e ) )
e->accept();
else
KTextEdit::contentsDragEnterEvent( e );
}
void KNoteEdit::contentsDropEvent( TQDropEvent *e )
{
KURL::List list;
if ( KURLDrag::decode( e, list ) )
{
KURL::List::ConstIterator begin = list.constBegin();
KURL::List::ConstIterator end = list.constEnd();
for ( KURL::List::ConstIterator it = begin; it != end; ++it )
{
if ( it != begin )
insert( ", " );
insert( (*it).prettyURL() );
}
}
else
KTextEdit::contentsDropEvent( e );
}
/** private slots **/
void KNoteEdit::slotReturnPressed()
{
if ( m_autoIndentMode )
autoIndent();
}
void KNoteEdit::fontChanged( const TQFont &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 TQColor &c )
{
TQPixmap 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;
TQString 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
TQString 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 TQString &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 );
}
void KNoteEdit::slotAllowTab()
{
setTabChangesFocus(!tabChangesFocus());
}
TQPopupMenu *KNoteEdit::createPopupMenu( const TQPoint &pos )
{
enum { IdUndo, IdRedo, IdSep1, IdCut, IdCopy, IdPaste, IdClear, IdSep2, IdSelectAll };
TQPopupMenu *menu = TQTextEdit::createPopupMenu( pos );
if ( isReadOnly() )
menu->changeItem( menu->idAt(0), SmallIconSet("editcopy"), menu->text( menu->idAt(0) ) );
else {
int id = menu->idAt(0);
menu->changeItem( id - IdUndo, SmallIconSet("undo"), menu->text( id - IdUndo) );
menu->changeItem( id - IdRedo, SmallIconSet("redo"), menu->text( id - IdRedo) );
menu->changeItem( id - IdCut, SmallIconSet("editcut"), menu->text( id - IdCut) );
menu->changeItem( id - IdCopy, SmallIconSet("editcopy"), menu->text( id - IdCopy) );
menu->changeItem( id - IdPaste, SmallIconSet("editpaste"), menu->text( id - IdPaste) );
menu->changeItem( id - IdClear, SmallIconSet("editclear"), menu->text( id - IdClear) );
menu->insertSeparator();
id = menu->insertItem( SmallIconSet( "spellcheck" ), i18n( "Check Spelling..." ),
TQT_TQOBJECT(this), TQT_SLOT( checkSpelling() ) );
if( text().isEmpty() )
menu->setItemEnabled( id, false );
menu->insertSeparator();
id=menu->insertItem(i18n("Allow Tabulations"),this,TQT_SLOT(slotAllowTab()));
menu->setItemChecked(id, !tabChangesFocus());
}
return menu;
}
#include "knoteedit.moc"
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