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81 lines
2.0 KiB
81 lines
2.0 KiB
#include "krsqueezedtextlabel.h"
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#include <kstringhandler.h>
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#include <kurldrag.h>
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#include <tqtooltip.h>
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KrSqueezedTextLabel::KrSqueezedTextLabel(TQWidget *parent, const char *name):
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KSqueezedTextLabel(parent, name), acceptDrops( false ), _index(-1), _length(-1) {
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}
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KrSqueezedTextLabel::~KrSqueezedTextLabel() {
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}
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void KrSqueezedTextLabel::mousePressEvent(TQMouseEvent *) {
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emit clicked();
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}
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void KrSqueezedTextLabel::enableDrops( bool flag )
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{
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setAcceptDrops( acceptDrops = flag );
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}
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void KrSqueezedTextLabel::dropEvent(TQDropEvent *e) {
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emit dropped(e);
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}
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void KrSqueezedTextLabel::dragEnterEvent(TQDragEnterEvent *e) {
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if( acceptDrops )
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e->accept( KURLDrag::canDecode( e ) );
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else
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KSqueezedTextLabel::dragEnterEvent( e );
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}
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void KrSqueezedTextLabel::squeezeTextToLabel(int index, int length) {
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if (index==-1 || length==-1)
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KSqueezedTextLabel::squeezeTextToLabel();
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else {
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TQString sqtext=fullText;
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TQFontMetrics fm(fontMetrics());
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int labelWidth = size().width();
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int textWidth = fm.width(sqtext);
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if (textWidth > labelWidth) {
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int avgCharSize = textWidth / sqtext.length();
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int numOfExtraChars = (textWidth-labelWidth)/avgCharSize;
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int delta;
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// remove as much as possible from the left, and then from the right
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if (index>3) {
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delta=TQMIN(index, numOfExtraChars);
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numOfExtraChars -= delta;
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sqtext.replace(0, delta, "...");
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}
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if (numOfExtraChars>0 && ((int)sqtext.length() > length+3)) {
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delta = TQMIN(numOfExtraChars, (int)sqtext.length() - (length+3));
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sqtext.replace(sqtext.length()-delta, delta, "...");
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}
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TQLabel::setText(sqtext);
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TQToolTip::remove( this );
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TQToolTip::add( this, fullText );
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} else {
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TQLabel::setText(fullText);
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TQToolTip::remove( this );
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TQToolTip::hide();
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}
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}
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}
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void KrSqueezedTextLabel::setText( const TQString &text, int index, int length ) {
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_index=index;
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_length=length;
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fullText = text;
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squeezeTextToLabel(_index,_length);
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}
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#include "krsqueezedtextlabel.moc"
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