1 files changed, 145 insertions, 0 deletions
diff --git a/dw/oofpositionedmgr.hh b/dw/oofpositionedmgr.hh
new file mode 100644
index 00000000..9b99f3cd
--- /dev/null
+++ b/dw/oofpositionedmgr.hh
@@ -0,0 +1,145 @@
+#ifndef __DW_OOFPOSITIONEDMGR_HH__
+#define __DW_OOFPOSITIONEDMGR_HH__
+
+#include "outofflowmgr.hh"
+
+namespace dw {
+
+namespace oof {
+
+class OOFPositionedMgr: public OutOfFlowMgr
+{
+protected:
+   class Child: public lout::object::Object
+   {
+   public:
+      core::Widget *widget, *reference;
+      OOFAwareWidget *generator;
+      int x, y;
+
+      inline Child (core::Widget *widget, OOFAwareWidget *generator,
+                    core::Widget *reference)
+      { this->widget = widget; this->generator = generator;
+         this->reference = reference; x = y = 0; }  
+   };
+
+   virtual bool isReference (core::Widget *widget) = 0;
+   virtual int containerBoxOffsetX () = 0;
+   virtual int containerBoxOffsetY () = 0;
+   virtual int containerBoxRestWidth () = 0;
+   virtual int containerBoxRestHeight () = 0;
+
+   inline int containerBoxDiffWidth ()
+   { return containerBoxOffsetX () + containerBoxRestWidth (); }
+   inline int containerBoxDiffHeight ()
+   { return containerBoxOffsetY () + containerBoxRestHeight (); }
+
+   OOFAwareWidget *container;
+   enum { NOT_ALLOCATED, IN_ALLOCATION, WAS_ALLOCATED }
+      containerAllocationState;
+   core::Allocation containerAllocation;
+
+   lout::container::typed::Vector<Child> *children;
+   lout::container::typed::HashTable<lout::object::TypedPointer
+                                        <dw::core::Widget>,
+                                     Child> *childrenByWidget;
+   
+   bool doChildrenExceedContainer ();
+   bool haveExtremesChanged ();
+   void sizeAllocateChildren ();
+
+   inline int getPosLeft (core::Widget *child, int availWidth)
+   { return getPosBorder (child->getStyle()->left, availWidth); }
+   inline int getPosRight (core::Widget *child, int availWidth)
+   { return getPosBorder (child->getStyle()->right, availWidth); }
+   inline int getPosTop (core::Widget *child, int availHeight)
+   { return getPosBorder (child->getStyle()->top, availHeight); }
+   inline int getPosBottom (core::Widget *child, int availHeight)
+   { return getPosBorder (child->getStyle()->bottom, availHeight); }
+
+   int getPosBorder (core::style::Length cssValue, int refLength);
+
+   bool isHPosComplete (Child *child);
+   bool isVPosComplete (Child *child);
+
+   bool isHPosCalculable (Child *child, bool allocated);
+   bool isVPosCalculable (Child *child, bool allocated);
+
+   bool isPosCalculable (Child *child, bool allocated);
+
+   void calcPosAndSizeChildOfChild (Child *child, int refWidth, int refHeight,
+                                    int *xPtr, int *yPtr, int *widthPtr,
+                                    int *ascentPtr, int *descentPtr);
+   void calcHPosAndSizeChildOfChild (Child *child, int refWidth,
+                                     int origChildWidth, int *xPtr,
+                                     int *widthPtr);
+   void calcVPosAndSizeChildOfChild (Child *child, int refHeight,
+                                     int origChildAscent, int origChildDescent,
+                                     int *yPtr, int *ascentPtr,
+                                     int *descentPtr);
+
+public:
+   OOFPositionedMgr (OOFAwareWidget *container);
+   ~OOFPositionedMgr ();
+
+   void sizeAllocateStart (OOFAwareWidget *caller,
+                           core::Allocation *allocation);
+   void sizeAllocateEnd (OOFAwareWidget *caller);
+   void containerSizeChangedForChildren ();
+   void draw (core::View *view, core::Rectangle *area,
+              core::DrawingContext *context);
+
+   void markSizeChange (int ref);
+   void markExtremesChange (int ref);
+   core::Widget *getWidgetAtPoint (int x, int y,
+                                   core::GettingWidgetAtPointContext *context);
+
+   void addWidgetInFlow (OOFAwareWidget *widget, OOFAwareWidget *parent,
+                         int externalIndex);
+   int addWidgetOOF (core::Widget *widget, OOFAwareWidget *generator,
+                     int externalIndex);
+   void moveExternalIndices (OOFAwareWidget *generator, int oldStartIndex,
+                             int diff);
+
+   void tellPosition (core::Widget *widget, int x, int y);
+
+   void getSize (core::Requisition *containerReq, int *oofWidth,
+                 int *oofHeight);
+   bool containerMustAdjustExtraSpace ();
+   void getExtremes (core::Extremes *containerExtr,
+                     int *oofMinWidth, int *oofMaxWidth);
+
+   int getLeftBorder (OOFAwareWidget *widget, int y, int h,
+                      OOFAwareWidget *lastGen, int lastExtIndex);
+   int getRightBorder (OOFAwareWidget *widget, int y, int h,
+                       OOFAwareWidget *lastGen, int lastExtIndex);
+
+   bool hasFloatLeft (OOFAwareWidget *widget, int y, int h,
+                      OOFAwareWidget *lastGen, int lastExtIndex);
+   bool hasFloatRight (OOFAwareWidget *widget, int y, int h,
+                       OOFAwareWidget *lastGen, int lastExtIndex);
+
+   int getLeftFloatHeight (OOFAwareWidget *widget, int y, int h,
+                           OOFAwareWidget *lastGen, int lastExtIndex);
+   int getRightFloatHeight (OOFAwareWidget *widget, int y, int h,
+                            OOFAwareWidget *lastGen, int lastExtIndex);
+
+   int getClearPosition (OOFAwareWidget *widget);
+
+   bool affectsLeftBorder (core::Widget *widget);
+   bool affectsRightBorder (core::Widget *widget);
+   bool mayAffectBordersAtAll ();
+
+   bool dealingWithSizeOfChild (core::Widget *child);
+   int getAvailWidthOfChild (core::Widget *child, bool forceValue);
+   int getAvailHeightOfChild (core::Widget *child, bool forceValue);
+
+   int getNumWidgets ();
+   core::Widget *getWidget (int i);
+};
+
+} // namespace oof
+
+} // namespace dw
+
+#endif // __DW_OOFPOSITIONEDMGR_HH__