Diffstat (limited to 'microkde/KDGanttMinimizeSplitter.cpp') (more/less context) (show whitespace changes)
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diff --git a/microkde/KDGanttMinimizeSplitter.cpp b/microkde/KDGanttMinimizeSplitter.cpp index 567ae54..84edc0d 100644 --- a/microkde/KDGanttMinimizeSplitter.cpp +++ b/microkde/KDGanttMinimizeSplitter.cpp @@ -1,1250 +1,1260 @@ /* -*- Mode: C++ -*- $Id$ */ /**************************************************************************** ** Copyright (C) 2002-2004 Klarälvdalens Datakonsult AB. All rights reserved. ** ** This file is part of the KDGantt library. ** ** This file may be distributed and/or modified under the terms of the ** GNU General Public License version 2 as published by the Free Software ** Foundation and appearing in the file LICENSE.GPL included in the ** packaging of this file. ** ** Licensees holding valid commercial KDGantt licenses may use this file in ** accordance with the KDGantt Commercial License Agreement provided with ** the Software. ** ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. ** ** See http://www.klaralvdalens-datakonsult.se/Public/products/ for ** information about KDGantt Commercial License Agreements. ** ** Contact info@klaralvdalens-datakonsult.se if any conditions of this ** licensing are not clear to you. ** ** As a special exception, permission is given to link this program ** with any edition of Qt, and distribute the resulting executable, ** without including the source code for Qt in the source distribution. ** **********************************************************************/ #include "KDGanttMinimizeSplitter.h" #ifndef QT_NO_SPLITTER___ #include "qpainter.h" #include "qdrawutil.h" #include "qbitmap.h" #if QT_VERSION >= 0x030000 #include "qptrlist.h" #include "qmemarray.h" #else #include <qlist.h> #include <qarray.h> #define QPtrList QList #define QMemArray QArray #endif #include "qlayoutengine_p.h" #include "qobjectlist.h" #include "qstyle.h" #include "qapplication.h" //sendPostedEvents #include <qvaluelist.h> #include <qcursor.h> #ifndef KDGANTT_MASTER_CVS //#include "KDGanttMinimizeSplitter.moc" #endif #ifndef DOXYGEN_SKIP_INTERNAL #if QT_VERSION >= 232 static int mouseOffset; static int opaqueOldPos = -1; //### there's only one mouse, but this is a bit risky KDGanttSplitterHandle::KDGanttSplitterHandle( Qt::Orientation o, KDGanttMinimizeSplitter *parent, const char * name ) : QWidget( parent, name ), _activeButton( 0 ), _collapsed( false ) { if ( QApplication::desktop()->width() > 320 && QApplication::desktop()->width() < 650 ) { mSizeHint = QSize(7,7); mUseOffset = true; } else { mSizeHint = QSize(6,6); mUseOffset = false; } s = parent; setOrientation(o); setMouseTracking( true ); //setMaximumHeight( 5 ); // test only } QSize KDGanttSplitterHandle::sizeHint() const { return mSizeHint; } void KDGanttSplitterHandle::setOrientation( Qt::Orientation o ) { orient = o; #ifndef QT_NO_CURSOR if ( o == KDGanttMinimizeSplitter::Horizontal ) setCursor( splitHCursor ); else setCursor( splitVCursor ); #endif } void KDGanttSplitterHandle::mouseMoveEvent( QMouseEvent *e ) { updateCursor( e->pos() ); if ( !(e->state()&LeftButton) ) return; if ( _activeButton != 0) return; QCOORD pos = s->pick(parentWidget()->mapFromGlobal(e->globalPos())) - mouseOffset; if ( true /*opaque()*/ ) { s->moveSplitter( pos, id() ); } else { int min = pos; int max = pos; s->getRange( id(), &min, &max ); s->setRubberband( QMAX( min, QMIN(max, pos ))); } _collapsed = false; } void KDGanttSplitterHandle::mousePressEvent( QMouseEvent *e ) { if ( e->button() == LeftButton ) { _activeButton = onButton( e->pos() ); mouseOffset = s->pick(e->pos()); if ( _activeButton != 0) repaint(); updateCursor( e->pos() ); } } void KDGanttSplitterHandle::updateCursor( const QPoint& p) { if ( onButton( p ) != 0 ) { setCursor( arrowCursor ); } else { if ( orient == KDGanttMinimizeSplitter::Horizontal ) setCursor( splitHCursor ); else setCursor( splitVCursor ); } } void KDGanttSplitterHandle::toggle() { int pos; int min, max; if ( !_collapsed ) { s->expandPos( id(), &min, &max ); if ( s->minimizeDirection() == KDGanttMinimizeSplitter::Left || s->minimizeDirection() == KDGanttMinimizeSplitter::Up ) { pos = min; } else { pos = max; } _origPos = s->pick(mapToParent( QPoint( 0,0 ) )); s->moveSplitter( pos, id() ); _collapsed = true; } else { s->moveSplitter( _origPos, id() ); _collapsed = false; } + repaint(); } void KDGanttSplitterHandle::mouseReleaseEvent( QMouseEvent *e ) { if ( _activeButton != 0 ) { if ( onButton( e->pos() ) == _activeButton ) { toggle(); } _activeButton = 0; updateCursor( e->pos() ); } else { if ( !opaque() && e->button() == LeftButton ) { QCOORD pos = s->pick(parentWidget()->mapFromGlobal(e->globalPos())) - mouseOffset; s->setRubberband( -1 ); s->moveSplitter( pos, id() ); } } repaint(); } int KDGanttSplitterHandle::onButton( const QPoint& p ) { QValueList<QPointArray> list = buttonRegions(); int index = 1; int add = 12; for( QValueList<QPointArray>::Iterator it = list.begin(); it != list.end(); ++it ) { QRect rect = (*it).boundingRect(); rect.setLeft( rect.left()- add ); rect.setRight( rect.right() + add); rect.setTop( rect.top()- add ); rect.setBottom( rect.bottom() + add); if ( rect.contains( p ) ) { return index; } index++; } return 0; } QValueList<QPointArray> KDGanttSplitterHandle::buttonRegions() { QValueList<QPointArray> list; int sw = 8; int yyy = 1; int xxx = 1; int voffset[] = { (int) -sw*3, (int) sw*3 }; for ( int i = 0; i < 2; i++ ) { QPointArray arr; if ( !_collapsed && s->minimizeDirection() == KDGanttMinimizeSplitter::Right || _collapsed && s->minimizeDirection() == KDGanttMinimizeSplitter::Left) { int mid = height()/2 + voffset[i]; arr.setPoints( 3, 1-xxx, mid - sw + 4, sw-3-xxx, mid, 1-xxx, mid + sw -4); } else if ( !_collapsed && s->minimizeDirection() == KDGanttMinimizeSplitter::Left || _collapsed && s->minimizeDirection() == KDGanttMinimizeSplitter::Right ) { int mid = height()/2 + voffset[i]; arr.setPoints( 3, sw-4, mid - sw + 4, 0, mid, sw-4, mid + sw - 4); } else if ( !_collapsed && s->minimizeDirection() == KDGanttMinimizeSplitter::Up || _collapsed && s->minimizeDirection() == KDGanttMinimizeSplitter::Down) { int mid = width()/2 + voffset[i]; arr.setPoints( 3, mid - sw + 4, sw-4, mid, 0, mid + sw - 4, sw-4 ); } else if ( !_collapsed && s->minimizeDirection() == KDGanttMinimizeSplitter::Down || _collapsed && s->minimizeDirection() == KDGanttMinimizeSplitter::Up ) { int mid = width()/2 + voffset[i]; arr.setPoints( 3, mid - sw + 4, 1-yyy, mid, sw-3-yyy, mid + sw -4, 1-yyy); } list.append( arr ); } return list; } void KDGanttSplitterHandle::paintEvent( QPaintEvent * ) { QPixmap buffer( size() ); QPainter p( &buffer ); //LR // Draw the splitter rectangle p.setBrush( colorGroup().background() ); p.setPen( colorGroup().foreground() ); //p.drawRect( rect() ); buffer.fill( colorGroup().background() ); //buffer.fill( backgroundColor() ); // parentWidget()->style().drawPrimitive( QStyle::PE_Panel, &p, rect(), parentWidget()->colorGroup()); int sw = 8; // Hardcoded, given I didn't use styles anymore, I didn't like to use their size // arrow color QColor col; if ( _activeButton ) col = colorGroup().background().dark( 250 ); else col = colorGroup().background().dark( 150 ); //QColor col = backgroundColor().dark( 130 ); p.setBrush( col ); p.setPen( col ); QValueList<QPointArray> list = buttonRegions(); int index = 1; if ( mUseOffset ) p.translate( 0, 1 ); for ( QValueList<QPointArray>::Iterator it = list.begin(); it != list.end(); ++it ) { if ( index == _activeButton ) { /* if ( ! _collapsed ) { p.save(); // p.translate( parentWidget()->style().pixelMetric( QStyle::PM_ButtonShiftHorizontal ), // parentWidget()->style().pixelMetric( QStyle::PM_ButtonShiftVertical ) ); p.translate( -1, 0 ); p.drawPolygon( *it, true ); p.restore(); } else */ p.drawPolygon( *it, true ); } else { /* if ( ! _collapsed ) { p.save(); p.translate( -1, 0 ); p.drawPolygon( *it, true ); p.restore(); } else */ p.drawPolygon( *it, true ); } index++; } // Draw the lines between the arrows if ( s->minimizeDirection() == KDGanttMinimizeSplitter::Left || s->minimizeDirection() == KDGanttMinimizeSplitter::Right ) { int mid = height()/2; p.drawLine ( 1, mid - sw, 1, mid + sw ); p.drawLine ( 3, mid - sw, 3, mid + sw ); } else if ( s->minimizeDirection() == KDGanttMinimizeSplitter::Up || s->minimizeDirection() == KDGanttMinimizeSplitter::Down ) { int mid = width()/2; p.drawLine( mid -sw, 1, mid +sw, 1 ); p.drawLine( mid -sw, 3, mid +sw, 3 ); } bitBlt( this, 0, 0, &buffer ); } #endif class QSplitterLayoutStruct { public: KDGanttMinimizeSplitter::ResizeMode mode; QCOORD sizer; bool isSplitter; QWidget *wid; }; class QSplitterData { public: QSplitterData() : opaque( FALSE ), firstShow( TRUE ) {} QPtrList<QSplitterLayoutStruct> list; bool opaque; bool firstShow; }; void kdganttGeomCalc( QMemArray<QLayoutStruct> &chain, int start, int count, int pos, int space, int spacer ); #endif // DOXYGEN_SKIP_INTERNAL /*! \class KDGanttMinimizeSplitter KDGanttMinimizeSplitter.h \brief The KDGanttMinimizeSplitter class implements a splitter widget with minimize buttons. This class (and its documentation) is largely a copy of Qt's QSplitter; the copying was necessary because QSplitter is not extensible at all. QSplitter and its documentation are licensed according to the GPL and the Qt Professional License (if you hold such a license) and are (C) Trolltech AS. A splitter lets the user control the size of child widgets by dragging the boundary between the children. Any number of widgets may be controlled. To show a QListBox, a QListView and a QTextEdit side by side: \code KDGanttMinimizeSplitter *split = new KDGanttMinimizeSplitter( parent ); QListBox *lb = new QListBox( split ); QListView *lv = new QListView( split ); QTextEdit *ed = new QTextEdit( split ); \endcode In KDGanttMinimizeSplitter, the boundary can be either horizontal or vertical. The default is horizontal (the children are side by side) but you can use setOrientation( QSplitter::Vertical ) to set it to vertical. Use setResizeMode() to specify that a widget should keep its size when the splitter is resized. Although KDGanttMinimizeSplitter normally resizes the children only at the end of a resize operation, if you call setOpaqueResize( TRUE ) the widgets are resized as often as possible. The initial distribution of size between the widgets is determined by the initial size of each widget. You can also use setSizes() to set the sizes of all the widgets. The function sizes() returns the sizes set by the user. If you hide() a child, its space will be distributed among the other children. It will be reinstated when you show() it again. It is also possible to reorder the widgets within the splitter using moveToFirst() and moveToLast(). */ static QSize minSize( const QWidget* /*w*/ ) { return QSize(0,0); } // This is the original version of minSize static QSize minSizeHint( const QWidget* w ) { QSize min = w->minimumSize(); QSize s; if ( min.height() <= 0 || min.width() <= 0 ) s = w->minimumSizeHint(); if ( min.height() > 0 ) s.setHeight( min.height() ); if ( min.width() > 0 ) s.setWidth( min.width() ); return s.expandedTo(QSize(0,0)); } /*! Constructs a horizontal splitter with the \a parent and \a name arguments being passed on to the QFrame constructor. */ KDGanttMinimizeSplitter::KDGanttMinimizeSplitter( QWidget *parent, const char *name ) :QFrame(parent,name,WPaintUnclipped) { mFirstHandle = 0; #if QT_VERSION >= 232 orient = Horizontal; init(); #endif } /*! Constructs a splitter with orientation \a o with the \a parent and \a name arguments being passed on to the QFrame constructor. */ KDGanttMinimizeSplitter::KDGanttMinimizeSplitter( Orientation o, QWidget *parent, const char *name ) :QFrame(parent,name,WPaintUnclipped) { mFirstHandle = 0; #if QT_VERSION >= 232 orient = o; init(); #endif } /*! Destroys the splitter and any children. */ KDGanttMinimizeSplitter::~KDGanttMinimizeSplitter() { #if QT_VERSION >= 232 data->list.setAutoDelete( TRUE ); delete data; #endif } #if QT_VERSION >= 232 void KDGanttMinimizeSplitter::init() { data = new QSplitterData; if ( orient == Horizontal ) setSizePolicy( QSizePolicy(QSizePolicy::Expanding,QSizePolicy::Minimum) ); else setSizePolicy( QSizePolicy(QSizePolicy::Minimum,QSizePolicy::Expanding) ); } #endif +void KDGanttMinimizeSplitter::toggle() +{ + if ( mFirstHandle ) + mFirstHandle->toggle(); + else + qDebug("KDGanttMinimizeSplitter::toggle::sorry, handle not available "); + +} + /*! \brief the orientation of the splitter By default the orientation is horizontal (the widgets are side by side). The possible orientations are Qt:Vertical and Qt::Horizontal (the default). */ void KDGanttMinimizeSplitter::setOrientation( Orientation o ) { #if QT_VERSION >= 232 if ( orient == o ) return; orient = o; if ( orient == Horizontal ) setSizePolicy( QSizePolicy( QSizePolicy::Expanding, QSizePolicy::Minimum ) ); else setSizePolicy( QSizePolicy( QSizePolicy::Minimum, QSizePolicy::Expanding ) ); QSplitterLayoutStruct *s = data->list.first(); while ( s ) { if ( s->isSplitter ) ((KDGanttSplitterHandle*)s->wid)->setOrientation( o ); s = data->list.next(); // ### next at end of loop, no iterator } recalc( isVisible() ); #endif } #if QT_VERSION >= 232 /*! \reimp */ void KDGanttMinimizeSplitter::resizeEvent( QResizeEvent * ) { doResize(); } /* Inserts the widget \a w at the end (or at the beginning if \a first is TRUE) of the splitter's list of widgets. It is the responsibility of the caller of this function to make sure that \a w is not already in the splitter and to call recalcId if needed. (If \a first is TRUE, then recalcId is very probably needed.) */ QSplitterLayoutStruct *KDGanttMinimizeSplitter::addWidget( QWidget *w, bool first ) { QSplitterLayoutStruct *s; KDGanttSplitterHandle *newHandle = 0; if ( data->list.count() > 0 ) { s = new QSplitterLayoutStruct; s->mode = KeepSize; QString tmp = "qt_splithandle_"; tmp += w->name(); newHandle = new KDGanttSplitterHandle( orientation(), this, tmp.latin1() ); if ( ! mFirstHandle ) mFirstHandle = newHandle; s->wid = newHandle; newHandle->setId(data->list.count()); s->isSplitter = TRUE; s->sizer = pick( newHandle->sizeHint() ); 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 or removed. The event is passed in \a c. */ void KDGanttMinimizeSplitter::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 KDGanttMinimizeSplitter::setRubberband( int p ) { QPainter paint( this ); paint.setPen( gray ); paint.setBrush( gray ); paint.setRasterOp( XorROP ); QRect r = contentsRect(); const int rBord = 3; //Themable???? #if QT_VERSION >= 0x030000 int sw = style().pixelMetric(QStyle::PM_SplitterWidth, this); #else int sw = style().splitterWidth(); #endif 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 KDGanttMinimizeSplitter::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 ); } /*! \obsolete Draws the splitter handle in the rectangle described by \a x, \a y, \a w, \a h using painter \a p. \sa QStyle::drawPrimitive() */ void KDGanttMinimizeSplitter::drawSplitter( QPainter *p, QCOORD x, QCOORD y, QCOORD w, QCOORD h ) { #if 0 // LR style().drawPrimitive(QStyle::PE_Splitter, p, QRect(x, y, w, h), colorGroup(), (orientation() == Qt::Horizontal ? QStyle::Style_Horizontal : 0)); #endif } /*! Returns the id of the splitter to the right of or below the widget \a w, or 0 if there is no such splitter (i.e. it is either not in this KDGanttMinimizeSplitter or it is at the end). */ int KDGanttMinimizeSplitter::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 position \a p, which is the distance from the left (or top) edge of the widget. For Arabic and Hebrew the layout is reversed, and using this function to set the position of the splitter might lead to unexpected results, since in Arabic and Hebrew the position of splitter one is to the left of the position of splitter zero. \sa idAfter() */ void KDGanttMinimizeSplitter::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; if ( false && orient == Horizontal ) { p += s->wid->width(); upLeft = p > oldP; } else upLeft = p < oldP; moveAfter( p, id, upLeft ); moveBefore( p-1, id-1, upLeft ); storeSizes(); } void KDGanttMinimizeSplitter::setG( QWidget *w, int p, int s, bool isSplitter ) { if ( orient == Horizontal ) { if ( false && orient == Horizontal && !isSplitter ) p = contentsRect().width() - p - s; 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 KDGanttMinimizeSplitter::moveBefore( int pos, int id, bool upLeft ) { if( id < 0 ) return; 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 pos1, pos2; int dd = s->sizer; if( false && orient == Horizontal ) { pos1 = pos; pos2 = pos + dd; } else { pos2 = pos - dd; pos1 = pos2 + 1; } if ( upLeft ) { setG( w, pos1, dd, TRUE ); moveBefore( pos2, id-1, upLeft ); } else { moveBefore( pos2, id-1, upLeft ); setG( w, pos1, dd, TRUE ); } } else { int dd, newLeft, nextPos; if( false && orient == Horizontal ) { dd = w->geometry().right() - pos; dd = QMAX( pick(minSize(w)), QMIN(dd, pick(w->maximumSize()))); newLeft = pos+1; nextPos = newLeft + dd; } else { dd = pos - pick( w->pos() ) + 1; dd = QMAX( pick(minSize(w)), QMIN(dd, pick(w->maximumSize()))); newLeft = pos-dd+1; nextPos = newLeft - 1; } setG( w, newLeft, dd, TRUE ); moveBefore( nextPos, id-1, upLeft ); } } /* Places the left/top edge of the widget at \a id at position \a pos. \sa idAfter() */ void KDGanttMinimizeSplitter::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; int pos1, pos2; if( false && orient == Horizontal ) { pos2 = pos - dd; pos1 = pos2 + 1; } else { pos1 = pos; pos2 = pos + dd; } if ( upLeft ) { setG( w, pos1, dd, TRUE ); moveAfter( pos2, id+1, upLeft ); } else { moveAfter( pos2, id+1, upLeft ); setG( w, pos1, dd, TRUE ); } } else { int left = pick( w->pos() ); int right, dd,/* newRight,*/ newLeft, nextPos; if ( false && orient == Horizontal ) { dd = pos - left + 1; dd = QMAX( pick(minSize(w)), QMIN(dd, pick(w->maximumSize()))); newLeft = pos-dd+1; nextPos = newLeft - 1; } else { right = pick( w->geometry().bottomRight() ); dd = right - pos + 1; dd = QMAX( pick(minSize(w)), QMIN(dd, pick(w->maximumSize()))); /*newRight = pos+dd-1;*/ newLeft = pos; nextPos = newLeft + dd; } setG( w, newLeft, dd, TRUE ); /*if( right != newRight )*/ moveAfter( nextPos, id+1, upLeft ); } } void KDGanttMinimizeSplitter::expandPos( int id, int* min, int* max ) { QSplitterLayoutStruct *s = data->list.at(id-1); QWidget* w = s->wid; *min = pick( w->mapToParent( QPoint(0,0) ) ); if ( (uint) id == data->list.count() ) { pick( size() ); } else { QSplitterLayoutStruct *s = data->list.at(id+1); QWidget* w = s->wid; *max = pick( w->mapToParent( QPoint( w->width(), w->height() ) ) ) -8; } } /*! Returns the valid range of the splitter with id \a id in \a *min and \a *max. \sa idAfter() */ void KDGanttMinimizeSplitter::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 ( orient == Horizontal && false ) { #if QT_VERSION >= 0x030000 int splitterWidth = style().pixelMetric(QStyle::PM_SplitterWidth, this); #else int splitterWidth = style().splitterWidth(); #endif if ( min ) *min = pick(r.topRight()) - QMIN( maxB, pick(r.size())-minA ) - splitterWidth; if ( max ) *max = pick(r.topRight()) - QMAX( minB, pick(r.size())-maxA ) - splitterWidth; } else { 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 closest legal position to \a p of the splitter with id \a id. \sa idAfter() */ int KDGanttMinimizeSplitter::adjustPos( int p, int id ) { int min = 0; int max = 0; getRange( id, &min, &max ); p = QMAX( min, QMIN( p, max ) ); return p; } void KDGanttMinimizeSplitter::doResize() { QRect r = contentsRect(); int i; int n = data->list.count(); QMemArray<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; } } kdganttGeomCalc( a, 0, n, pick( r.topLeft() ), pick( r.size() ), 0 ); for ( i = 0; i< n; i++ ) { QSplitterLayoutStruct *s = data->list.at(i); setG( s->wid, a[i].pos, a[i].size ); } } void KDGanttMinimizeSplitter::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; 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 ) { if ( parentWidget() != 0 && parentWidget()->inherits("KDGanttMinimizeSplitter") ) { // nested splitters; be nice maxl = maxt = 0; } else { // KDGanttMinimizeSplitter with no children yet maxl = QWIDGETSIZE_MAX; } } 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(); } /*! Sets resize mode of \a w to \a mode. \sa ResizeMode */ void KDGanttMinimizeSplitter::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; otherwise returns FALSE. \sa setOpaqueResize() */ bool KDGanttMinimizeSplitter::opaqueResize() const { return data->opaque; } /*! If \a on is TRUE then opaque resizing is turned on; otherwise opaque resizing is turned off. Opaque resizing is initially turned off. \sa opaqueResize() */ void KDGanttMinimizeSplitter::setOpaqueResize( bool on ) { data->opaque = on; } /*! Moves widget \a w to the leftmost/top position. */ void KDGanttMinimizeSplitter::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 widget \a w to the rightmost/bottom position. */ void KDGanttMinimizeSplitter::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 KDGanttMinimizeSplitter::recalcId() { int n = data->list.count(); for ( int i = 0; i < n; i++ ) { QSplitterLayoutStruct *s = data->list.at(i); if ( s->isSplitter ) ((KDGanttSplitterHandle*)s->wid)->setId(i); } } /*!\reimp */ QSize KDGanttMinimizeSplitter::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 KDGanttMinimizeSplitter::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 = minSizeHint((QWidget*)o); if ( s.isValid() ) { l += pick( s ); t = QMAX( t, trans( s ) ); } } } } return orientation() == Horizontal ? QSize( l, t ) : QSize( t, l ); } /* Calculates stretch parameters from current sizes */ void KDGanttMinimizeSplitter::storeSizes() { QSplitterLayoutStruct *s = data->list.first(); while ( s ) { if ( !s->isSplitter ) s->sizer = pick( s->wid->size() ); |