| -rw-r--r-- | libqtaux/qsplitter.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libqtaux/qsplitter.cpp b/libqtaux/qsplitter.cpp index 39321f8..959d5e1 100644 --- a/libqtaux/qsplitter.cpp +++ b/libqtaux/qsplitter.cpp @@ -346,769 +346,769 @@ QSplitterLayoutStruct *QSplitter::addWidget( QWidget *w, bool first ) if ( first ) data->list.insert( 0, s ); else data->list.append( s ); } s = new QSplitterLayoutStruct; s->mode = Stretch; s->wid = w; if ( !testWState( WState_Resized ) && w->sizeHint().isValid() ) s->sizer = pick( w->sizeHint() ); else s->sizer = pick( w->size() ); s->isSplitter = FALSE; if ( first ) data->list.insert( 0, s ); else data->list.append( s ); if ( newHandle && isVisible() ) newHandle->show(); //will trigger sending of post events return s; } /*! Tells the splitter that a child widget has been inserted/removed. */ void QSplitter::childEvent( QChildEvent *c ) { if ( c->type() == QEvent::ChildInserted ) { if ( !c->child()->isWidgetType() ) return; if ( ((QWidget*)c->child())->testWFlags( WType_TopLevel ) ) return; QSplitterLayoutStruct *s = data->list.first(); while ( s ) { if ( s->wid == c->child() ) return; s = data->list.next(); } addWidget( (QWidget*)c->child() ); recalc( isVisible() ); } else if ( c->type() == QEvent::ChildRemoved ) { QSplitterLayoutStruct *p = 0; if ( data->list.count() > 1 ) p = data->list.at(1); //remove handle _after_ first widget. QSplitterLayoutStruct *s = data->list.first(); while ( s ) { if ( s->wid == c->child() ) { data->list.removeRef( s ); delete s; if ( p && p->isSplitter ) { data->list.removeRef( p ); delete p->wid; //will call childEvent delete p; } recalcId(); doResize(); return; } p = s; s = data->list.next(); } } } /*! Shows a rubber band at position \a p. If \a p is negative, the rubber band is removed. */ void QSplitter::setRubberband( int p ) { QPainter paint( this ); paint.setPen( gray ); paint.setBrush( gray ); paint.setRasterOp( XorROP ); QRect r = contentsRect(); const int rBord = 3; //Themable???? const int sw = style().splitterWidth(); if ( orient == Horizontal ) { if ( opaqueOldPos >= 0 ) paint.drawRect( opaqueOldPos + sw/2 - rBord , r.y(), 2*rBord, r.height() ); if ( p >= 0 ) paint.drawRect( p + sw/2 - rBord, r.y(), 2*rBord, r.height() ); } else { if ( opaqueOldPos >= 0 ) paint.drawRect( r.x(), opaqueOldPos + sw/2 - rBord, r.width(), 2*rBord ); if ( p >= 0 ) paint.drawRect( r.x(), p + sw/2 - rBord, r.width(), 2*rBord ); } opaqueOldPos = p; } /*! \reimp */ bool QSplitter::event( QEvent *e ) { if ( e->type() == QEvent::LayoutHint || ( e->type() == QEvent::Show && data->firstShow ) ) { recalc( isVisible() ); if ( e->type() == QEvent::Show ) data->firstShow = FALSE; } return QWidget::event( e ); } /*! Draws the splitter handle in the rectangle described by \a x, \a y, \a w, \a h using painter \a p. \sa QStyle::drawSplitter */ void QSplitter::drawSplitter( QPainter *p, QCOORD x, QCOORD y, QCOORD w, QCOORD h ) { style().drawSplitter( p, x, y, w, h, colorGroup(), orient ); } /*! Returns the id of the splitter to the right of or below the widget \a w, or 0 if there is no such splitter. (ie. it is either not in this QSplitter, or it is at the end). */ int QSplitter::idAfter( QWidget* w ) const { QSplitterLayoutStruct *s = data->list.first(); bool seen_w = FALSE; while ( s ) { if ( s->isSplitter && seen_w ) return data->list.at(); if ( !s->isSplitter && s->wid == w ) seen_w = TRUE; s = data->list.next(); } return 0; } /*! Moves the left/top edge of the splitter handle with id \a id as close as possible to \a p which is the distance from the left (or top) edge of the widget. \sa idAfter() */ void QSplitter::moveSplitter( QCOORD p, int id ) { p = adjustPos( p, id ); QSplitterLayoutStruct *s = data->list.at(id); int oldP = orient == Horizontal? s->wid->x() : s->wid->y(); bool upLeft = p < oldP; moveAfter( p, id, upLeft ); moveBefore( p-1, id-1, upLeft ); storeSizes(); } void QSplitter::setG( QWidget *w, int p, int s ) { if ( orient == Horizontal ) w->setGeometry( p, contentsRect().y(), s, contentsRect().height() ); else w->setGeometry( contentsRect().x(), p, contentsRect().width(), s ); } /*! Places the right/bottom edge of the widget at \a id at position \a pos. \sa idAfter() */ void QSplitter::moveBefore( int pos, int id, bool upLeft ) { QSplitterLayoutStruct *s = data->list.at(id); if ( !s ) return; QWidget *w = s->wid; if ( w->isHidden() ) { moveBefore( pos, id-1, upLeft ); } else if ( s->isSplitter ) { int dd = s->sizer; if ( upLeft ) { setG( w, pos-dd+1, dd ); moveBefore( pos-dd, id-1, upLeft ); } else { moveBefore( pos-dd, id-1, upLeft ); setG( w, pos-dd+1, dd ); } } else { int left = pick( w->pos() ); int dd = pos - left + 1; dd = QMAX( pick(minSize(w)), QMIN(dd, pick(w->maximumSize()))); int newLeft = pos-dd+1; setG( w, newLeft, dd ); if ( left != newLeft ) moveBefore( newLeft-1, id-1, upLeft ); } } /*! Places the left/top edge of the widget at \a id at position \a pos. \sa idAfter() */ void QSplitter::moveAfter( int pos, int id, bool upLeft ) { QSplitterLayoutStruct *s = id < int(data->list.count()) ? data->list.at(id) : 0; if ( !s ) return; QWidget *w = s->wid; if ( w->isHidden() ) { moveAfter( pos, id+1, upLeft ); } else if ( pick( w->pos() ) == pos ) { //No need to do anything if it's already there. return; } else if ( s->isSplitter ) { int dd = s->sizer; if ( upLeft ) { setG( w, pos, dd ); moveAfter( pos+dd, id+1, upLeft ); } else { moveAfter( pos+dd, id+1, upLeft ); setG( w, pos, dd ); } } else { int right = pick( w->geometry().bottomRight() ); int dd = right - pos + 1; dd = QMAX( pick(minSize(w)), QMIN(dd, pick(w->maximumSize()))); int newRight = pos+dd-1; setG( w, pos, dd ); moveAfter( newRight+1, id+1, upLeft ); } } /*! Returns the valid range of the splitter with id \a id in \a min and \a max. \sa idAfter() */ void QSplitter::getRange( int id, int *min, int *max ) { int minB = 0; //before int maxB = 0; int minA = 0; int maxA = 0; //after int n = data->list.count(); if ( id < 0 || id >= n ) return; int i; for ( i = 0; i < id; i++ ) { QSplitterLayoutStruct *s = data->list.at(i); if ( s->wid->isHidden() ) { //ignore } else if ( s->isSplitter ) { minB += s->sizer; maxB += s->sizer; } else { minB += pick( minSize(s->wid) ); maxB += pick( s->wid->maximumSize() ); } } for ( i = id; i < n; i++ ) { QSplitterLayoutStruct *s = data->list.at(i); if ( s->wid->isHidden() ) { //ignore } else if ( s->isSplitter ) { minA += s->sizer; maxA += s->sizer; } else { minA += pick( minSize(s->wid) ); maxA += pick( s->wid->maximumSize() ); } } QRect r = contentsRect(); if ( min ) *min = pick(r.topLeft()) + QMAX( minB, pick(r.size())-maxA ); if ( max ) *max = pick(r.topLeft()) + QMIN( maxB, pick(r.size())-minA ); } /*! Returns the legal position closest to \a p of the splitter with id \a id. \sa idAfter() */ int QSplitter::adjustPos( int p, int id ) { int min = 0; int max = 0; getRange( id, &min, &max ); p = QMAX( min, QMIN( p, max ) ); return p; } void QSplitter::doResize() { QRect r = contentsRect(); int i; int n = data->list.count(); QArray<QLayoutStruct> a( n ); for ( i = 0; i< n; i++ ) { a[i].init(); QSplitterLayoutStruct *s = data->list.at(i); if ( s->wid->isHidden() ) { a[i].stretch = 0; a[i].sizeHint = a[i].minimumSize = 0; a[i].maximumSize = 0; } else if ( s->isSplitter ) { a[i].stretch = 0; a[i].sizeHint = a[i].minimumSize = a[i].maximumSize = s->sizer; a[i].empty = FALSE; } else if ( s->mode == KeepSize ) { a[i].stretch = 0; a[i].minimumSize = pick( minSize(s->wid) ); a[i].sizeHint = s->sizer; a[i].maximumSize = pick( s->wid->maximumSize() ); a[i].empty = FALSE; } else if ( s->mode == FollowSizeHint ) { a[i].stretch = 0; a[i].minimumSize = a[i].sizeHint = pick( s->wid->sizeHint() ); a[i].maximumSize = pick( s->wid->maximumSize() ); a[i].empty = FALSE; } else { //proportional a[i].stretch = s->sizer; a[i].maximumSize = pick( s->wid->maximumSize() ); a[i].sizeHint = a[i].minimumSize = pick( minSize(s->wid) ); a[i].empty = FALSE; } } qGeomCalc( a, 0, n, pick( r.topLeft() ), pick( r.size() ), 0 ); for ( i = 0; i< n; i++ ) { QSplitterLayoutStruct *s = data->list.at(i); if ( orient == Horizontal ) s->wid->setGeometry( a[i].pos, r.top(), a[i].size, r.height() ); else s->wid->setGeometry( r.left(), a[i].pos, r.width(), a[i].size ); } } void QSplitter::recalc( bool update ) { int fi = 2*frameWidth(); int maxl = fi; int minl = fi; int maxt = QWIDGETSIZE_MAX; int mint = fi; int n = data->list.count(); bool first = TRUE; /* The splitter before a hidden widget is always hidden. The splitter before the first visible widget is hidden. The splitter before any other visible widget is visible. */ for ( int i = 0; i< n; i++ ) { QSplitterLayoutStruct *s = data->list.at(i); if ( !s->isSplitter ) { - QSplitterLayoutStruct *p = (i > 0) ? p = data->list.at( i-1 ) : 0; + QSplitterLayoutStruct *p = (i > 0) ? data->list.at( i-1 ) : 0; if ( p && p->isSplitter ) if ( first || s->wid->isHidden() ) p->wid->hide(); //may trigger new recalc else p->wid->show(); //may trigger new recalc if ( !s->wid->isHidden() ) first = FALSE; } } bool empty=TRUE; for ( int j = 0; j< n; j++ ) { QSplitterLayoutStruct *s = data->list.at(j); if ( !s->wid->isHidden() ) { empty = FALSE; if ( s->isSplitter ) { minl += s->sizer; maxl += s->sizer; } else { QSize minS = minSize(s->wid); minl += pick( minS ); maxl += pick( s->wid->maximumSize() ); mint = QMAX( mint, trans( minS )); int tm = trans( s->wid->maximumSize() ); if ( tm > 0 ) maxt = QMIN( maxt, tm ); } } } if ( empty ) maxl = maxt = 0; else maxl = QMIN( maxl, QWIDGETSIZE_MAX ); if ( maxt < mint ) maxt = mint; if ( orient == Horizontal ) { setMaximumSize( maxl, maxt ); setMinimumSize( minl, mint ); } else { setMaximumSize( maxt, maxl ); setMinimumSize( mint, minl ); } if ( update ) doResize(); } /*! \enum QSplitter::ResizeMode This enum type describes how QSplitter will resize each of its child widgets. The currently defined values are: <ul> <li> \c Stretch - the widget will be resized when the splitter itself is resized. <li> \c KeepSize - QSplitter will try to keep this widget's size unchanged. <li> \c FollowSizeHint - QSplitter will resize the widget when its size hint changes. </ul> */ /*! Sets resize mode of \a w to \a mode. \sa ResizeMode */ void QSplitter::setResizeMode( QWidget *w, ResizeMode mode ) { processChildEvents(); QSplitterLayoutStruct *s = data->list.first(); while ( s ) { if ( s->wid == w ) { s->mode = mode; return; } s = data->list.next(); } s = addWidget( w, TRUE ); s->mode = mode; } /*! Returns TRUE if opaque resize is on, FALSE otherwise. \sa setOpaqueResize() */ bool QSplitter::opaqueResize() const { return data->opaque; } /*! Sets opaque resize to \a on. Opaque resize is initially turned off. \sa opaqueResize() */ void QSplitter::setOpaqueResize( bool on ) { data->opaque = on; } /*! Moves \a w to the leftmost/top position. */ void QSplitter::moveToFirst( QWidget *w ) { processChildEvents(); bool found = FALSE; QSplitterLayoutStruct *s = data->list.first(); while ( s ) { if ( s->wid == w ) { found = TRUE; QSplitterLayoutStruct *p = data->list.prev(); if ( p ) { // not already at first place data->list.take(); //take p data->list.take(); // take s data->list.insert( 0, p ); data->list.insert( 0, s ); } break; } s = data->list.next(); } if ( !found ) addWidget( w, TRUE ); recalcId(); } /*! Moves \a w to the rightmost/bottom position. */ void QSplitter::moveToLast( QWidget *w ) { processChildEvents(); bool found = FALSE; QSplitterLayoutStruct *s = data->list.first(); while ( s ) { if ( s->wid == w ) { found = TRUE; data->list.take(); // take s QSplitterLayoutStruct *p = data->list.current(); if ( p ) { // the splitter handle after s data->list.take(); //take p data->list.append( p ); } data->list.append( s ); break; } s = data->list.next(); } if ( !found ) addWidget( w); recalcId(); } void QSplitter::recalcId() { int n = data->list.count(); for ( int i = 0; i < n; i++ ) { QSplitterLayoutStruct *s = data->list.at(i); if ( s->isSplitter ) ((QSplitterHandle*)s->wid)->setId(i); } } /*!\reimp */ QSize QSplitter::sizeHint() const { constPolish(); int l = 0; int t = 0; if ( children() ) { const QObjectList * c = children(); QObjectListIt it( *c ); QObject * o; while( (o=it.current()) != 0 ) { ++it; if ( o->isWidgetType() && !((QWidget*)o)->isHidden() ) { QSize s = ((QWidget*)o)->sizeHint(); if ( s.isValid() ) { l += pick( s ); t = QMAX( t, trans( s ) ); } } } } return orientation() == Horizontal ? QSize( l, t ) : QSize( t, l ); } /*! \reimp */ QSize QSplitter::minimumSizeHint() const { constPolish(); int l = 0; int t = 0; if ( children() ) { const QObjectList * c = children(); QObjectListIt it( *c ); QObject * o; while( (o=it.current()) != 0 ) { ++it; if ( o->isWidgetType() && !((QWidget*)o)->isHidden() ) { QSize s = minSize((QWidget*)o); if ( s.isValid() ) { l += pick( s ); t = QMAX( t, trans( s ) ); } } } } return orientation() == Horizontal ? QSize( l, t ) : QSize( t, l ); } /*!\reimp */ QSizePolicy QSplitter::sizePolicy() const { return QSizePolicy( QSizePolicy::Expanding, QSizePolicy::Expanding ); } /*! Calculates stretch parameters from current sizes */ void QSplitter::storeSizes() { QSplitterLayoutStruct *s = data->list.first(); while ( s ) { if ( !s->isSplitter ) s->sizer = pick( s->wid->size() ); s = data->list.next(); } } #if 0 // ### remove this code ASAP /*! Hides \a w if \a hide is TRUE, and updates the splitter. \warning Due to a limitation in the current implementation, calling QWidget::hide() will not work. */ void QSplitter::setHidden( QWidget *w, bool hide ) { if ( w == w1 ) { w1show = !hide; } else if ( w == w2 ) { w2show = !hide; } else { #ifdef CHECK_RANGE qWarning( "QSplitter::setHidden(), unknown widget" ); #endif return; } if ( hide ) w->hide(); else w->show(); recalc( TRUE ); } /*! Returns the hidden status of \a w */ bool QSplitter::isHidden( QWidget *w ) const { if ( w == w1 ) return !w1show; else if ( w == w2 ) return !w2show; #ifdef CHECK_RANGE else qWarning( "QSplitter::isHidden(), unknown widget" ); #endif return FALSE; } #endif /*! Returns a list of the size parameters of all the widgets in this splitter. Giving the values to setSizes() will give a splitter with the same layout as this one. \sa setSizes() */ QValueList<int> QSplitter::sizes() const { if ( !testWState(WState_Polished) ) { QWidget* that = (QWidget*) this; that->polish(); } QValueList<int> list; QSplitterLayoutStruct *s = data->list.first(); while ( s ) { if ( !s->isSplitter ) list.append( s->sizer ); s = data->list.next(); } return list; } /*! Sets the size parameters to the values given in \a list. If the splitter is horizontal, the values set the sizes from left to right. If it is vertical, the sizes are applied from top to bottom. Extra values in \a list are ignored. If \a list contains too few values, the result is undefined but the program will still be well-behaved. \sa sizes() */ void QSplitter::setSizes( QValueList<int> list ) { processChildEvents(); QValueList<int>::Iterator it = list.begin(); QSplitterLayoutStruct *s = data->list.first(); while ( s && it != list.end() ) { if ( !s->isSplitter ) { s->sizer = *it; ++it; } s = data->list.next(); } doResize(); } /*! Gets all posted child events, ensuring that the internal state of the splitter is consistent with the programmer's idea. */ void QSplitter::processChildEvents() { QApplication::sendPostedEvents( this, QEvent::ChildInserted ); } /*! \reimp */ void QSplitter::styleChange( QStyle& old ) { int sw = style().splitterWidth(); |