add a possibility to disable individual grid rows/columns resizing

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@60408 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/generic/grid.h

@@ -16,6 +16,8 @@
 
 #if wxUSE_GRID
 
+#include "wx/hashmap.h"
+
 #include "wx/scrolwin.h"
 
 // ----------------------------------------------------------------------------
@@ -85,6 +87,8 @@ class WXDLLIMPEXP_FWD_CORE wxTextCtrl;
 class WXDLLIMPEXP_FWD_CORE wxSpinCtrl;
 #endif
 
+class wxGridFixedIndicesSet;
+
 class wxGridOperations;
 class wxGridRowOperations;
 class wxGridColumnOperations;
@@ -771,7 +775,7 @@ private:
 // their non default size for those which don't have the default size.
 // ----------------------------------------------------------------------------
 
-// Hashmap to store postions as the keys and sizes as the values
+// hash map to store positions as the keys and sizes as the values
 WX_DECLARE_HASH_MAP_WITH_DECL( unsigned, int, wxIntegerHash, wxIntegerEqual,
                                wxUnsignedToIntHashMap, class WXDLLIMPEXP_ADV );
 
@@ -1101,19 +1105,42 @@ public:
     void     SetCellHighlightPenWidth(int width);
     void     SetCellHighlightROPenWidth(int width);
 
+
+    // interactive grid mouse operations control
+    // -----------------------------------------
+
+    // functions globally enabling row/column interactive resizing (enabled by
+    // default)
     void     EnableDragRowSize( bool enable = true );
     void     DisableDragRowSize() { EnableDragRowSize( false ); }
-    bool     CanDragRowSize() const { return m_canDragRowSize; }
+
     void     EnableDragColSize( bool enable = true );
     void     DisableDragColSize() { EnableDragColSize( false ); }
-    bool     CanDragColSize() const { return m_canDragColSize; }
+
+        // if interactive resizing is enabled, some rows/columns can still have
+        // fixed size
+    void DisableRowResize(int row) { DoDisableLineResize(row, m_setFixedRows); }
+    void DisableColResize(int col) { DoDisableLineResize(col, m_setFixedCols); }
+
+        // these functions return whether the given row/column can be
+        // effectively resized: for this interactive resizing must be enabled
+        // and this index must not have been passed to DisableRow/ColResize()
+    bool CanDragRowSize(int row) const
+        { return m_canDragRowSize && DoCanResizeLine(row, m_setFixedRows); }
+    bool CanDragColSize(int col) const
+        { return m_canDragColSize && DoCanResizeLine(col, m_setFixedCols); }
+
+    // interactive column reordering (disabled by default)
     void     EnableDragColMove( bool enable = true );
     void     DisableDragColMove() { EnableDragColMove( false ); }
     bool     CanDragColMove() const { return m_canDragColMove; }
+
+    // interactive resizing of grid cells (enabled by default)
     void     EnableDragGridSize(bool enable = true);
     void     DisableDragGridSize() { EnableDragGridSize(false); }
     bool     CanDragGridSize() const { return m_canDragGridSize; }
 
+    // interactive dragging of cells (disabled by default)
     void     EnableDragCell( bool enable = true );
     void     DisableDragCell() { EnableDragCell( false ); }
     bool     CanDragCell() const { return m_canDragCell; }
@@ -1659,6 +1686,9 @@ public:
            wxGRID_CHECKBOX,
            wxGRID_CHOICE,
            wxGRID_COMBOBOX };
+
+    wxDEPRECATED_INLINE(bool CanDragRowSize() const, return m_canDragRowSize; )
+    wxDEPRECATED_INLINE(bool CanDragColSize() const, return m_canDragColSize; )
 #endif // WXWIN_COMPATIBILITY_2_8
 
 
@@ -2083,10 +2113,22 @@ private:
     bool DoAppendLines(bool (wxGridTableBase::*funcAppend)(size_t),
                        int num, bool updateLabels);
 
-    // Common part of Set{Col,Row}Sizes
+    // common part of Set{Col,Row}Sizes
     void DoSetSizes(const wxGridSizesInfo& sizeInfo,
                     const wxGridOperations& oper);
 
+    // common part of Disable{Row,Col}Resize and CanDrag{Row,Col}Size
+    void DoDisableLineResize(int line, wxGridFixedIndicesSet *& setFixed);
+    bool DoCanResizeLine(int line, const wxGridFixedIndicesSet *setFixed) const;
+
+
+
+    // these sets contain the indices of fixed, i.e. non-resizable
+    // interactively, grid rows or columns and are NULL if there are no fixed
+    // elements (which is the default)
+    wxGridFixedIndicesSet *m_setFixedRows,
+                          *m_setFixedCols;
+
     DECLARE_DYNAMIC_CLASS( wxGrid )
     DECLARE_EVENT_TABLE()
     wxDECLARE_NO_COPY_CLASS(wxGrid);