void QDockArea::invalidateFixedSizes()
{
for ( QDockWindow *dw = dockWindows->first(); dw; dw = dockWindows->next() ) {
if ( orientation() == Qt::Horizontal )
dw->setFixedExtentWidth( -1 );
else
dw->setFixedExtentHeight( -1 );
}
}
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 ) );
}