Many changes: split up OutOfFlowMgr for floats, and absolutely and fixedly positioned elements; also with different containing blocks.

1 files changed, 87 insertions, 0 deletions

diff --git a/dw/oofpositionedmgr.hh b/dw/oofpositionedmgr.hh
new file mode 100644
index 00000000..07660547
--- /dev/null
+++ b/dw/oofpositionedmgr.hh
@@ -0,0 +1,87 @@
+#ifndef __DW_OOFPOSITIONEDMGR_HH__
+#define __DW_OOFPOSITIONEDMGR_HH__
+
+#include "outofflowmgr.hh"
+
+namespace dw {
+
+class OOFPositionedMgr: public OutOfFlowMgr
+{
+private:
+   Textblock *containingBlock;
+   core::Allocation containingBlockAllocation;
+
+   lout::container::typed::Vector<core::Widget> *children;
+
+   bool doChildrenExceedCB ();
+   bool haveExtremesChanged ();
+   void sizeAllocateChildren ();
+
+   inline int getAbsPosLeft (core::Widget *child, int availWidth)
+   { return getAbsPosBorder (child->getStyle()->left, availWidth); }
+   inline int getAbsPosRight (core::Widget *child, int availWidth)
+   { return getAbsPosBorder (child->getStyle()->right, availWidth); }
+   inline int getAbsPosTop (core::Widget *child, int availHeight)
+   { return getAbsPosBorder (child->getStyle()->top, availHeight); }
+   inline int getAbsPosBottom (core::Widget *child, int availHeight)
+   { return getAbsPosBorder (child->getStyle()->bottom, availHeight); }
+
+   int getAbsPosBorder (core::style::Length cssValue, int refLength);
+
+public:
+   OOFPositionedMgr (Textblock *containingBlock);
+   ~OOFPositionedMgr ();
+
+   void sizeAllocateStart (Textblock *caller, core::Allocation *allocation);
+   void sizeAllocateEnd (Textblock *caller);
+   void containerSizeChangedForChildren ();
+   void draw (core::View *view, core::Rectangle *area);
+
+   void markSizeChange (int ref);
+   void markExtremesChange (int ref);
+   core::Widget *getWidgetAtPoint (int x, int y, int level);
+
+   void addWidgetInFlow (Textblock *textblock, Textblock *parentBlock,
+                         int externalIndex);
+   int addWidgetOOF (core::Widget *widget, Textblock *generatingBlock,
+                     int externalIndex);
+   void moveExternalIndices (Textblock *generatingBlock, int oldStartIndex,
+                             int diff);
+
+   void tellPosition (core::Widget *widget, int yReq);
+
+   void getSize (core::Requisition *cbReq, int *oofWidth, int *oofHeight);
+   void getExtremes (core::Extremes *cbExtr,
+                     int *oofMinWidth, int *oofMaxWidth);
+
+   int getLeftBorder (Textblock *textblock, int y, int h, Textblock *lastGB,
+                      int lastExtIndex);
+   int getRightBorder (Textblock *textblock, int y, int h, Textblock *lastGB,
+                       int lastExtIndex);
+
+   bool hasFloatLeft (Textblock *textblock, int y, int h, Textblock *lastGB,
+                      int lastExtIndex);
+   bool hasFloatRight (Textblock *textblock, int y, int h, Textblock *lastGB,
+                       int lastExtIndex);
+
+   int getLeftFloatHeight (Textblock *textblock, int y, int h,
+                           Textblock *lastGB, int lastExtIndex);
+   int getRightFloatHeight (Textblock *textblock, int y, int h,
+                            Textblock *lastGB, int lastExtIndex);
+
+   int getClearPosition (Textblock *textblock);
+
+   bool affectsLeftBorder (core::Widget *widget);
+   bool affectsRightBorder (core::Widget *widget);
+
+   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 dw
+
+#endif // __DW_OOFPOSITIONEDMGR_HH__