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Diffstat (limited to 'knotes/knoteedit.cpp')
| -rw-r--r-- | knotes/knoteedit.cpp | 495 |
1 files changed, 495 insertions, 0 deletions
diff --git a/knotes/knoteedit.cpp b/knotes/knoteedit.cpp new file mode 100644 index 000000000..2398df19f --- /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( ¶, &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" |