Example #1
0
void QDockArea::setFixedExtent( int d, QDockWindow *dw )
{
    QPtrList<QDockWindow> lst;
    QDockWindow *w;
    for ( w = dockWindows->first(); w; w = dockWindows->next() ) {
	if ( w->isHidden() )
	    continue;
	if ( orientation() == Horizontal ) {
	    if ( dw->y() != w->y() )
		continue;
	} else {
	    if ( dw->x() != w->x() )
		continue;
	}
	if ( orientation() == Horizontal )
	    d = QMAX( d, w->minimumHeight() );
	else
	    d = QMAX( d, w->minimumWidth() );
	if ( w->isResizeEnabled() )
	    lst.append( w );
    }
    for ( w = lst.first(); w; w = lst.next() ) {
	if ( orientation() == Horizontal )
	    w->setFixedExtentHeight( d );
	else
	    w->setFixedExtentWidth( d );
    }
}
Example #2
0
void QDockArea::moveDockWindow( QDockWindow *w, const QPoint &p, const QRect &r, bool swap )
{
    invalidateFixedSizes();
    int mse = -10;
    bool hasResizable = FALSE;
    for ( QDockWindow *dw = dockWindows->first(); dw; dw = dockWindows->next() ) {
	if ( dw->isHidden() )
	    continue;
	if ( dw->isResizeEnabled() )
	    hasResizable = TRUE;
	if ( orientation() != Qt::Horizontal )
	    mse = QMAX( QMAX( dw->fixedExtent().width(), dw->width() ), mse );
	else
	    mse = QMAX( QMAX( dw->fixedExtent().height(), dw->height() ), mse );
    }
    if ( !hasResizable && w->isResizeEnabled() ) {
	if ( orientation() != Qt::Horizontal )
	    mse = QMAX( w->fixedExtent().width(), mse );
	else
	    mse = QMAX( w->fixedExtent().height(), mse );
    }

    QDockWindow *dockWindow = 0;
    int dockWindowIndex = findDockWindow( w );
    QPtrList<QDockWindow> lineStarts = layout->lineStarts();
    QValueList<QRect> lines = layout->lineList();
    bool wasAloneInLine = FALSE;
    QPoint pos = mapFromGlobal( p );
    QRect lr = *lines.at( lineOf( dockWindowIndex ) );
    if ( dockWindowIndex != -1 ) {
	if ( lineStarts.find( w ) != -1 &&
	     ( dockWindowIndex < (int)dockWindows->count() - 1 && lineStarts.find( dockWindows->at( dockWindowIndex + 1 ) ) != -1 ||
	       dockWindowIndex == (int)dockWindows->count() - 1 ) )
	    wasAloneInLine = TRUE;
	dockWindow = dockWindows->take( dockWindowIndex );
	if ( !wasAloneInLine ) { // only do the pre-layout if the widget isn't the only one in its line
	    if ( lineStarts.findRef( dockWindow ) != -1 && dockWindowIndex < (int)dockWindows->count() )
		dockWindows->at( dockWindowIndex )->setNewLine( TRUE );
	    layout->layoutItems( QRect( 0, 0, width(), height() ), TRUE );
	}
    } else {
	dockWindow = w;
	dockWindow->reparent( this, QPoint( 0, 0 ), TRUE );
	if ( swap )
	    dockWindow->resize( dockWindow->height(), dockWindow->width() );
	w->installEventFilter( this );
    }

    lineStarts = layout->lineStarts();
    lines = layout->lineList();

    QRect rect = QRect( mapFromGlobal( r.topLeft() ), r.size() );
    if ( orientation() == Horizontal && QApplication::reverseLayout() ) {
	rect = QRect( width() - rect.x() - rect.width(), rect.y(), rect.width(), rect.height() );
	pos.rx() = width() - pos.x();
    }
    dockWindow->setOffset( point_pos( rect.topLeft(), orientation() ) );
    if ( orientation() == Horizontal ) {
	int offs = dockWindow->offset();
	if ( width() - offs < dockWindow->minimumWidth() )
	    dockWindow->setOffset( width() - dockWindow->minimumWidth() );
    } else {
	int offs = dockWindow->offset();
	if ( height() - offs < dockWindow->minimumHeight() )
	    dockWindow->setOffset( height() - dockWindow->minimumHeight() );
    }

    if ( dockWindows->isEmpty() ) {
	dockWindows->append( dockWindow );
    } else {
	int dockLine = -1;
	bool insertLine = FALSE;
	int i = 0;
	QRect lineRect;
	// find the line which we touched with the mouse
	for ( QValueList<QRect>::Iterator it = lines.begin(); it != lines.end(); ++it, ++i ) {
	    if ( point_pos( pos, orientation(), TRUE ) >= point_pos( (*it).topLeft(), orientation(), TRUE ) &&
		 point_pos( pos, orientation(), TRUE ) <= point_pos( (*it).topLeft(), orientation(), TRUE ) +
		 size_extent( (*it).size(), orientation(), TRUE ) ) {
		dockLine = i;
		lineRect = *it;
		break;
	    }
	}
	if ( dockLine == -1 ) { // outside the dock...
	    insertLine = TRUE;
	    if ( point_pos( pos, orientation(), TRUE ) < 0 ) // insert as first line
		dockLine = 0;
	    else
		dockLine = (int)lines.count(); // insert after the last line ### size_t/int cast
	} else { // inside the dock (we have found a dockLine)
	    if ( point_pos( pos, orientation(), TRUE ) <
		 point_pos( lineRect.topLeft(), orientation(), TRUE ) + 4 ) {	// mouse was at the very beginning of the line
		insertLine = TRUE;					// insert a new line before that with the docking widget
	    } else if ( point_pos( pos, orientation(), TRUE ) >
			point_pos( lineRect.topLeft(), orientation(), TRUE ) +
			size_extent( lineRect.size(), orientation(), TRUE ) - 4 ) {	// mouse was at the very and of the line
		insertLine = TRUE;						// insert a line after that with the docking widget
		dockLine++;
	    }
	}

	if ( !insertLine && wasAloneInLine && lr.contains( pos ) ) // if we are alone in a line and just moved in there, re-insert it
	    insertLine = TRUE;

#if defined(QDOCKAREA_DEBUG)
	qDebug( "insert in line %d, and insert that line: %d", dockLine, insertLine );
	qDebug( "     (btw, we have %d lines)", lines.count() );
#endif
	QDockWindow *dw = 0;
	if ( dockLine >= (int)lines.count() ) { // insert after last line
	    dockWindows->append( dockWindow );
	    dockWindow->setNewLine( TRUE );
#if defined(QDOCKAREA_DEBUG)
	    qDebug( "insert at the end" );
#endif
	} else if ( dockLine == 0 && insertLine ) { // insert before first line
	    dockWindows->insert( 0, dockWindow );
	    dockWindows->at( 1 )->setNewLine( TRUE );
#if defined(QDOCKAREA_DEBUG)
	    qDebug( "insert at the begin" );
#endif
	} else { // insert somewhere in between
	    // make sure each line start has a new line
	    for ( dw = lineStarts.first(); dw; dw = lineStarts.next() )
		dw->setNewLine( TRUE );

	    // find the index of the first widget in the search line
	    int searchLine = dockLine;
#if defined(QDOCKAREA_DEBUG)
	    qDebug( "search line start of %d", searchLine );
#endif
	    QDockWindow *lsw = lineStarts.at( searchLine );
	    int index = dockWindows->find( lsw );
	    if ( index == -1 ) { // the linestart widget hasn't been found, try to find it harder
		if ( lsw == w && dockWindowIndex <= (int)dockWindows->count())
		    index = dockWindowIndex;
		else
		    index = 0;
		if ( index < (int)dockWindows->count() )
		    (void)dockWindows->at( index ); // move current to index
	    }
#if defined(QDOCKAREA_DEBUG)
	    qDebug( "     which starts at %d", index );
#endif
	    if ( !insertLine ) { // if we insert the docking widget in the existing line
		// find the index for the widget
		bool inc = TRUE;
		bool firstTime = TRUE;
		for ( dw = dockWindows->current(); dw; dw = dockWindows->next() ) {
		    if ( orientation() == Horizontal )
			dw->setFixedExtentWidth( -1 );
		    else
			dw->setFixedExtentHeight( -1 );
		    if ( !firstTime && lineStarts.find( dw ) != -1 ) // we are in the next line, so break
			break;
		    if ( point_pos( pos, orientation() ) <
			 point_pos( fix_pos( dw ), orientation() ) + size_extent( dw->size(), orientation() ) / 2 ) {
			inc = FALSE;
		    }
		    if ( inc )
			index++;
		    firstTime = FALSE;
		}
#if defined(QDOCKAREA_DEBUG)
		qDebug( "insert at index: %d", index );
#endif
		// if we insert it just before a widget which has a new line, transfer the newline to the docking widget
		// but not if we didn't only mave a widget in its line which was alone in the line before
		if ( !( wasAloneInLine && lr.contains( pos ) )
		     && index >= 0 && index < (int)dockWindows->count() &&
		     dockWindows->at( index )->newLine() && lineOf( index ) == dockLine ) {
#if defined(QDOCKAREA_DEBUG)
		    qDebug( "get rid of the old newline and get me one" );
#endif
		    dockWindows->at( index )->setNewLine( FALSE );
		    dockWindow->setNewLine( TRUE );
		} else if ( wasAloneInLine && lr.contains( pos ) ) {
		    dockWindow->setNewLine( TRUE );
		} else { // if we are somewhere in a line, get rid of the newline
		    dockWindow->setNewLine( FALSE );
		}
	    } else { // insert in a new line, so make sure the dock widget and the widget which will be after it have a newline
#if defined(QDOCKAREA_DEBUG)
		qDebug( "insert a new line" );
#endif
		if ( index < (int)dockWindows->count() ) {
#if defined(QDOCKAREA_DEBUG)
		    qDebug( "give the widget at %d a newline", index );
#endif
		    QDockWindow* nldw = dockWindows->at( index );
		    if ( nldw )
			nldw->setNewLine( TRUE );
		}
#if defined(QDOCKAREA_DEBUG)
		qDebug( "give me a newline" );
#endif
		dockWindow->setNewLine( TRUE );
	    }
	    // finally insert the widget
	    dockWindows->insert( index, dockWindow );
	}
    }

    if ( mse != -10 && w->isResizeEnabled() ) {
	if ( orientation() != Qt::Horizontal )
	    w->setFixedExtentWidth( QMIN( QMAX( w->minimumWidth(), mse ), w->sizeHint().width() ) );
	else
	    w->setFixedExtentHeight( QMIN( QMAX( w->minimumHeight(), mse ), w->sizeHint().height() ) );
    }

    updateLayout();
    setSizePolicy( QSizePolicy( orientation() == Horizontal ? QSizePolicy::Expanding : QSizePolicy::Minimum,
				orientation() == Vertical ? QSizePolicy::Expanding : QSizePolicy::Minimum ) );
}