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#ifndef __DW_OOFPOSITIONEDMGR_HH__
#define __DW_OOFPOSITIONEDMGR_HH__
#include "outofflowmgr.hh"
#include "oofawarewidget.hh"
namespace dw {
namespace oof {
class OOFPositionedMgr: public OutOfFlowMgr
{
protected:
class Child: public lout::object::Object
{
public:
core::Widget *widget;
OOFAwareWidget *generator;
int externalIndex, x, y;
bool consideredForSize, consideredForExtremes;
Child (core::Widget *widget, OOFAwareWidget *generator,
int externalIndex);
};
OOFAwareWidget *container;
core::Allocation containerAllocation;
enum { NOT_ALLOCATED, IN_ALLOCATION, WAS_ALLOCATED }
containerAllocationState;
lout::container::typed::Vector<Child> *children;
lout::container::typed::HashTable<lout::object::TypedPointer
<dw::core::Widget>,
Child> *childrenByWidget;
inline bool getPosLeft (core::Widget *child, int availWidth, int *result)
{ return getPosBorder (child->getStyle()->left, availWidth, result); }
inline bool getPosRight (core::Widget *child, int availWidth, int *result)
{ return getPosBorder (child->getStyle()->right, availWidth, result); }
inline bool getPosTop (core::Widget *child, int availHeight, int *result)
{ return getPosBorder (child->getStyle()->top, availHeight, result); }
inline bool getPosBottom (core::Widget *child, int availHeight, int *result)
{ return getPosBorder (child->getStyle()->bottom, availHeight, result); }
bool getPosBorder (core::style::Length cssValue, int refLength, int *result);
bool allChildrenConsideredForSize ();
bool allChildrenConsideredForExtremes ();
bool doChildrenExceedContainer ();
virtual void sizeAllocateChildren () = 0;
virtual bool posXAbsolute (Child *child) = 0;
virtual bool posYAbsolute (Child *child) = 0;
inline bool generatorPosDefined (Child *child) {
return child->generator == container ||
(containerAllocationState != NOT_ALLOCATED
&& child->generator->wasAllocated ());
}
inline int generatorPosX (Child *child) {
assert (generatorPosDefined (child));
return child->generator == container ? 0 :
child->generator->getAllocation()->x - containerAllocation.x;
}
inline int generatorPosY (Child *child) {
assert (generatorPosDefined (child));
return child->generator == container ? 0 :
child->generator->getAllocation()->y - containerAllocation.y;
}
inline bool posXDefined (Child *child)
{ return posXAbsolute (child) || generatorPosDefined (child); }
inline bool posYDefined (Child *child)
{ return posYAbsolute (child) || generatorPosDefined (child); }
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 tellPosition1 (core::Widget *widget, int x, int y);
void tellPosition2 (core::Widget *widget, int x, int y);
bool containerMustAdjustExtraSpace ();
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 getNumWidgets ();
core::Widget *getWidget (int i);
};
} // namespace oof
} // namespace dw
#endif // __DW_OOFPOSITIONEDMGR_HH__
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