void OnKeyDown(wxKeyEvent& event);
void OnCaptureLost(wxMouseCaptureLostEvent& event);
+ // move the column with given idx at given position (this doesn't generate
+ // any events but does refresh the display)
+ void DoMoveCol(unsigned int idx, unsigned int pos);
+
// return the horizontal start position of the given column in physical
// coordinates
int GetColStart(unsigned int idx) const;
+ // and the end position
+ int GetColEnd(unsigned int idx) const;
+
// refresh the given column [only]; idx must be valid
void RefreshCol(unsigned int idx);
// position is near the divider at the right end of this column (notice
// that this means that we return column 0 even if the position is over
// column 1 but close enough to the divider separating it from column 0)
- int FindColumnAtPos(int x, bool& onSeparator) const;
+ unsigned int FindColumnAtPoint(int x, bool *onSeparator = NULL) const;
// return true if a drag resizing operation is currently in progress
bool IsResizing() const;
+ // return true if a drag reordering operation is currently in progress
+ bool IsReordering() const;
+
+ // return true if any drag operation is currently in progress
+ bool IsDragging() const { return IsResizing() || IsReordering(); }
+
// end any drag operation currently in progress (resizing or reordering)
void EndDragging();
+ // cancel the drag operation currently in progress and generate an event
+ // about it
+ void CancelDragging();
+
// start (if m_colBeingResized is -1) or continue resizing the column
//
// this generates wxEVT_COMMAND_HEADER_BEGIN_RESIZE/RESIZING events and can
// about it with its cancelled flag set if xPhysical is -1
void EndResizing(int xPhysical);
+ // same functions as above but for column moving/reordering instead of
+ // resizing
+ void StartReordering(unsigned int col, int xPhysical);
+
+ // returns true if we did drag the column somewhere else or false if we
+ // didn't really move it -- in this case we consider that no reordering
+ // took place and that a normal column click event should be generated
+ bool EndReordering(int xPhysical);
+
// constrain the given position to be larger than the start position of the
// given column plus its minimal width and return the effective width
int ConstrainByMinWidth(unsigned int col, int& xPhysical);
- // update the current position of the resizing marker if xPhysical is a
- // valid physical coordinate value or remove it entirely if it is -1
- void UpdateResizingMarker(int xPhysical);
+ // update the information displayed while a column is being moved around
+ void UpdateReorderingMarker(int xPhysical);
+
+ // clear any overlaid markers
+ void ClearMarkers();
// number of columns in the control currently
// progress
unsigned int m_colBeingResized;
+ // the column being moved or -1 if there is no reordering operation in
+ // progress
+ unsigned int m_colBeingReordered;
+
+ // the distance from the start of m_colBeingReordered and the mouse
+ // position when the user started to drag it
+ int m_dragOffset;
+
// the horizontal scroll offset
int m_scrollOffset;
DECLARE_EVENT_TABLE()
- DECLARE_NO_COPY_CLASS(wxHeaderCtrl)
+ wxDECLARE_NO_COPY_CLASS(wxHeaderCtrl);
};
#endif // _WX_GENERIC_HEADERCTRLG_H_