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143 lines
3.8 KiB
143 lines
3.8 KiB
/* This file is part of the KDE libraries
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Copyright (C) 1999 Waldo Bastian (bastian@kde.org)
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; version 2
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of the License.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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#include "kactivelabel.h"
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#include <kapplication.h>
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#include <tqregexp.h>
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#include <tqwhatsthis.h>
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#include <tqsimplerichtext.h>
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#include <kdebug.h>
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KActiveLabel::KActiveLabel(TQWidget * parent, const char * name)
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: TQTextBrowser(parent, name)
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{
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init();
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}
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KActiveLabel::KActiveLabel(const TQString &text, TQWidget * parent, const char * name)
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: TQTextBrowser(parent, name)
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{
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init();
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setText(text);
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}
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void KActiveLabel::init()
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{
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setTextFormat(TQt::RichText);
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setVScrollBarMode(TQScrollView::AlwaysOff);
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setHScrollBarMode(TQScrollView::AlwaysOff);
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setFrameStyle(TQFrame::NoFrame);
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setFocusPolicy( TQ_TabFocus );
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paletteChanged();
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connect(this, TQT_SIGNAL(linkClicked(const TQString &)),
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this, TQT_SLOT(openLink(const TQString &)));
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if (kapp)
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{
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connect(kapp, TQT_SIGNAL(tdedisplayPaletteChanged()),
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this, TQT_SLOT(paletteChanged()));
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}
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}
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void KActiveLabel::paletteChanged()
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{
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TQPalette p = kapp ? kapp->palette() : palette();
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p.setBrush(TQColorGroup::Base, p.brush(TQPalette::Normal, TQColorGroup::Background));
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p.setColor(TQColorGroup::Text, p.color(TQPalette::Normal, TQColorGroup::Foreground));
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setPalette(p);
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}
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void KActiveLabel::openLink(const TQString & link)
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{
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TQRegExp whatsthis("whatsthis:/*([^/].*)");
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if (whatsthis.exactMatch(link)) {
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TQWhatsThis::display(whatsthis.cap(1));
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return;
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}
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TQStringList args;
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args << "exec" << link;
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kapp->tdeinitExec("kfmclient", args);
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}
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void KActiveLabel::virtual_hook( int, void* )
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{ /*BASE::virtual_hook( id, data );*/ }
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void KActiveLabel::focusInEvent( TQFocusEvent* fe )
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{
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TQTextBrowser::focusInEvent(fe);
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if(fe->reason() == TQFocusEvent::Tab || fe->reason() == TQFocusEvent::Backtab)
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selectAll(true);
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}
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void KActiveLabel::focusOutEvent( TQFocusEvent* fe )
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{
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TQTextBrowser::focusOutEvent(fe);
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if(fe->reason() == TQFocusEvent::Tab || fe->reason() == TQFocusEvent::Backtab)
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selectAll(false);
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}
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void KActiveLabel::keyPressEvent( TQKeyEvent *e )
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{
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switch ( e->key() )
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{
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case Key_Down:
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case Key_Up:
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case Key_Left:
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case Key_Right:
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// jump over QTextEdit's key navigation breakage.
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// we're not interested in keyboard navigation within the text
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TQWidget::keyPressEvent( e );
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break;
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default:
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TQTextBrowser::keyPressEvent( e );
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}
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}
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TQSize KActiveLabel::minimumSizeHint() const
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{
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TQSize ms = minimumSize();
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if ((ms.width() > 0) && (ms.height() > 0))
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return ms;
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int w = 400;
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if (ms.width() > 0)
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w = ms.width();
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TQString txt = text();
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TQSimpleRichText rt(txt, font());
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rt.setWidth(w - 2*frameWidth() - 10);
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w = 10 + rt.widthUsed() + 2*frameWidth();
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if (w < ms.width())
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w = ms.width();
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int h = rt.height() + 2*frameWidth();
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if ( h < ms.height())
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h = ms.height();
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return TQSize(w, h);
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}
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TQSize KActiveLabel::sizeHint() const
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{
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return minimumSizeHint();
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}
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#include "kactivelabel.moc"
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