528 lines
		
	
	
		
			14 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			528 lines
		
	
	
		
			14 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /////////////////////////////////////////////////////////////////////////////
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| // Name:        propgridpagestate.h
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| // Purpose:     interface of wxPGProperty
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| // Author:      wxWidgets team
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| // Licence:     wxWindows licence
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| /////////////////////////////////////////////////////////////////////////////
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| 
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| 
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| /**
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|     @section propgrid_hittestresult wxPropertyGridHitTestResult
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| 
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|     A return value from wxPropertyGrid::HitTest(),
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|     contains all you need to know about an arbitrary location on the grid.
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| */
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| class wxPropertyGridHitTestResult
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| {
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|     friend class wxPropertyGridPageState;
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| public:
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|     wxPropertyGridHitTestResult();
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| 
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|     ~wxPropertyGridHitTestResult();
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| 
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|     /**
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|         Returns column hit. -1 for margin.
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|     */
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|     int GetColumn() const;
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| 
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|     /**
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|         Returns property hit. NULL if empty space below
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|         properties was hit instead.
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|     */
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|     wxPGProperty* GetProperty() const;
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| 
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|     /**
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|         Returns index of splitter hit, -1 for none.
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|     */
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|     int GetSplitter() const;
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| 
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|     /**
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|         If splitter hit, then this member function
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|         returns offset to the exact splitter position.
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|     */
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|     int GetSplitterHitOffset() const;
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| };
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| 
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| // -----------------------------------------------------------------------
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| 
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| #define wxPG_IT_CHILDREN(A)         ((A)<<16)
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| 
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| /** @section propgrid_iterator_flags wxPropertyGridIterator Flags
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|     @{
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| 
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|     NOTES: At lower 16-bits, there are flags to check if item will be included. At higher
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|       16-bits, there are same flags, but to instead check if children will be included.
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| */
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| 
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| enum wxPG_ITERATOR_FLAGS
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| {
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| /**
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|     Iterate through 'normal' property items (does not include children of
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|     aggregate or hidden items by default).
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|     @hideinitializer
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| */
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| wxPG_ITERATE_PROPERTIES = wxPG_PROP_PROPERTY |
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|                           wxPG_PROP_MISC_PARENT |
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|                           wxPG_PROP_AGGREGATE |
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|                           wxPG_PROP_COLLAPSED |
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|                           wxPG_IT_CHILDREN(wxPG_PROP_MISC_PARENT) |
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|                           wxPG_IT_CHILDREN(wxPG_PROP_CATEGORY),
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| 
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| /**
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|     Iterate children of collapsed parents, and individual items that are hidden.
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|     @hideinitializer
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| */
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| wxPG_ITERATE_HIDDEN = wxPG_PROP_HIDDEN |
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|                       wxPG_IT_CHILDREN(wxPG_PROP_COLLAPSED),
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| 
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| /**
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|     Iterate children of parent that is an aggregate property (ie has fixed
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|     children).
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|     @hideinitializer
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| */
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| wxPG_ITERATE_FIXED_CHILDREN = wxPG_IT_CHILDREN(wxPG_PROP_AGGREGATE) |
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|                               wxPG_ITERATE_PROPERTIES,
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| 
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| /** Iterate categories.
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|     Note that even without this flag, children of categories are still iterated
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|     through.
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|     @hideinitializer
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| */
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| wxPG_ITERATE_CATEGORIES = wxPG_PROP_CATEGORY |
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|                           wxPG_IT_CHILDREN(wxPG_PROP_CATEGORY) |
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|                           wxPG_PROP_COLLAPSED,
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| 
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| /**
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|     @hideinitializer
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| */
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| wxPG_ITERATE_ALL_PARENTS = wxPG_PROP_MISC_PARENT |
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|                            wxPG_PROP_AGGREGATE |
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|                            wxPG_PROP_CATEGORY,
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| 
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| /**
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|     @hideinitializer
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| */
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| wxPG_ITERATE_ALL_PARENTS_RECURSIVELY = wxPG_ITERATE_ALL_PARENTS |
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|                                        wxPG_IT_CHILDREN(
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|                                                 wxPG_ITERATE_ALL_PARENTS),
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| 
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| /**
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|     @hideinitializer
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| */
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| wxPG_ITERATOR_FLAGS_ALL = wxPG_PROP_PROPERTY |
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|                           wxPG_PROP_MISC_PARENT |
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|                           wxPG_PROP_AGGREGATE |
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|                           wxPG_PROP_HIDDEN |
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|                           wxPG_PROP_CATEGORY |
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|                           wxPG_PROP_COLLAPSED,
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| 
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| /**
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|     @hideinitializer
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| */
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| wxPG_ITERATOR_MASK_OP_ITEM = wxPG_ITERATOR_FLAGS_ALL,
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| 
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| // (wxPG_PROP_MISC_PARENT|wxPG_PROP_AGGREGATE|wxPG_PROP_CATEGORY)
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| /**
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|     @hideinitializer
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| */
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| wxPG_ITERATOR_MASK_OP_PARENT = wxPG_ITERATOR_FLAGS_ALL,
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| 
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| /**
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|     Combines all flags needed to iterate through visible properties
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|     (i.e. hidden properties and children of collapsed parents are skipped).
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|     @hideinitializer
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| */
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| wxPG_ITERATE_VISIBLE = wxPG_ITERATE_PROPERTIES |
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|                        wxPG_PROP_CATEGORY |
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|                        wxPG_IT_CHILDREN(wxPG_PROP_AGGREGATE),
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| 
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| /**
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|     Iterate all items.
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|     @hideinitializer
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| */
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| wxPG_ITERATE_ALL = wxPG_ITERATE_VISIBLE |
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|                    wxPG_ITERATE_HIDDEN,
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| 
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| /**
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|     Iterate through individual properties (ie categories and children of
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|     aggregate properties are skipped).
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|     @hideinitializer
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| */
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| wxPG_ITERATE_NORMAL = wxPG_ITERATE_PROPERTIES |
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|                       wxPG_ITERATE_HIDDEN,
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| 
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| /**
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|     Default iterator flags.
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|     @hideinitializer
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| */
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| wxPG_ITERATE_DEFAULT = wxPG_ITERATE_NORMAL
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| 
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| };
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| 
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| /** @}
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| */
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| 
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| 
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| /**
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|     @section propgrid_iterator_class wxPropertyGridIterator
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| 
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|     Preferable way to iterate through contents of wxPropertyGrid,
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|     wxPropertyGridManager, and wxPropertyGridPage.
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| 
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|     See wxPropertyGridInterface::GetIterator() for more information about usage.
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| 
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|     @library{wxpropgrid}
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|     @category{propgrid}
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| 
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|     @{
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| */
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| /**
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|     Base for wxPropertyGridIterator classes.
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| */
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| class wxPropertyGridIteratorBase
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| {
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| public:
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|     wxPropertyGridIteratorBase();
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| 
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|     void Assign( const wxPropertyGridIteratorBase& it );
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| 
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|     bool AtEnd() const;
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| 
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|     /**
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|         Get current property.
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|     */
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|     wxPGProperty* GetProperty() const;
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| 
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|     void Init( wxPropertyGridPageState* state,
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|                int flags,
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|                wxPGProperty* property,
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|                int dir = 1 );
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| 
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|     void Init( wxPropertyGridPageState* state,
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|                int flags,
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|                int startPos = wxTOP,
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|                int dir = 0 );
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| 
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|     /**
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|         Iterate to the next property.
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|     */
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|     void Next( bool iterateChildren = true );
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| 
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|     /**
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|         Iterate to the previous property.
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|     */
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|     void Prev();
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| 
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|     /**
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|         Set base parent, i.e. a property when, in which iteration returns,
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|         it ends.
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| 
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|         Default base parent is the root of the used wxPropertyGridPageState.
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|     */
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|     void SetBaseParent( wxPGProperty* baseParent );
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| };
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| 
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| class wxPropertyGridIterator : public wxPropertyGridIteratorBase
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| {
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| public:
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|     wxPropertyGridIterator();
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|     wxPropertyGridIterator( wxPropertyGridPageState* state,
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|                             int flags = wxPG_ITERATE_DEFAULT,
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|                             wxPGProperty* property = NULL, int dir = 1 );
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|     wxPropertyGridIterator( wxPropertyGridPageState* state,
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|                             int flags, int startPos, int dir = 0 );
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|     wxPropertyGridIterator( const wxPropertyGridIterator& it );
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|     ~wxPropertyGridIterator();};
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| 
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| /**
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|     Const version of wxPropertyGridIterator.
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| */
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| class wxPropertyGridConstIterator : public wxPropertyGridIteratorBase
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| {
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| public:
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|     /**
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|         Additional copy constructor.
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|     */
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|     wxPropertyGridConstIterator( const wxPropertyGridIterator& other );
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| 
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|     /**
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|         Additional assignment operator.
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|     */
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|     const wxPropertyGridConstIterator& operator=( const wxPropertyGridIterator& it );
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| 
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|     wxPropertyGridConstIterator();
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|     wxPropertyGridConstIterator( const wxPropertyGridPageState* state,
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|                                  int flags = wxPG_ITERATE_DEFAULT,
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|                                  const wxPGProperty* property = NULL, int dir = 1 );
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|     wxPropertyGridConstIterator( wxPropertyGridPageState* state,
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|                                  int flags, int startPos, int dir = 0 );
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|     wxPropertyGridConstIterator( const wxPropertyGridConstIterator& it );
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|     ~wxPropertyGridConstIterator();
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| };
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| 
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| /** @}
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| */
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| 
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| // -----------------------------------------------------------------------
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| 
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| /**
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|     @section propgrid_viterator_class wxPGVIterator
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| 
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|     Abstract implementation of a simple iterator. Can only be used
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|     to iterate in forward order, and only through the entire container.
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|     Used to have functions dealing with all properties work with both
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|     wxPropertyGrid and wxPropertyGridManager.
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| */
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| class wxPGVIterator
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| {
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| public:
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|     wxPGVIterator();
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|     wxPGVIterator( wxPGVIteratorBase* obj );
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|     ~wxPGVIterator();
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|     void UnRef();
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|     wxPGVIterator( const wxPGVIterator& it );
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|     const wxPGVIterator& operator=( const wxPGVIterator& it );
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|     void Next();
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|     bool AtEnd() const;
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|     wxPGProperty* GetProperty() const;
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| };
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| 
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| // -----------------------------------------------------------------------
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| 
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| /** @class wxPropertyGridPageState
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| 
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|     Contains low-level property page information (properties, column widths,
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|     etc.) of a single wxPropertyGrid or single wxPropertyGridPage. Generally you
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|     should not use this class directly, but instead member functions in
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|     wxPropertyGridInterface, wxPropertyGrid, wxPropertyGridPage, and
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|     wxPropertyGridManager.
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| 
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|     @remarks
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|     Currently this class is not implemented in wxPython.
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| 
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|     @library{wxpropgrid}
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|     @category{propgrid}
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| */
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| class wxPropertyGridPageState
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| {
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|     friend class wxPropertyGrid;
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|     friend class wxPropertyGridInterface;
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|     friend class wxPropertyGridPage;
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|     friend class wxPropertyGridManager;
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| public:
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| 
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|     /**
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|         Default constructor.
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|     */
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|     wxPropertyGridPageState();
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| 
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|     /**
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|         Destructor.
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|     */
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|     virtual ~wxPropertyGridPageState();
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| 
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|     /**
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|         Makes sure all columns have minimum width.
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|     */
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|     void CheckColumnWidths( int widthChange = 0 );
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| 
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|     /**
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|         Override this member function to add custom behaviour on property
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|         deletion.
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|     */
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|     virtual void DoDelete( wxPGProperty* item, bool doDelete = true );
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| 
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|     wxSize DoFitColumns( bool allowGridResize = false );
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| 
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|     wxPGProperty* DoGetItemAtY( int y ) const;
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| 
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|     /**
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|         Override this member function to add custom behaviour on property
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|         insertion.
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|     */
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|     virtual wxPGProperty* DoInsert( wxPGProperty* parent,
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|                                     int index,
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|                                     wxPGProperty* property );
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| 
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|     /**
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|         This needs to be overridden in grid used the manager so that splitter
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|         changes can be propagated to other pages.
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|     */
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|     virtual void DoSetSplitterPosition( int pos,
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|                                         int splitterColumn = 0,
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|                                         int flags = 0 );
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| 
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|     bool EnableCategories( bool enable );
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| 
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|     /**
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|         Make sure virtual height is up-to-date.
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|     */
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|     void EnsureVirtualHeight();
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| 
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|     /**
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|         Returns (precalculated) height of contained visible properties.
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|     */
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|     unsigned int GetVirtualHeight() const;
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| 
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|     /**
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|         Returns (precalculated) height of contained visible properties.
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|     */
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|     unsigned int GetVirtualHeight();
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| 
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|     /**
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|         Returns actual height of contained visible properties.
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|         @remarks
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|         Mostly used for internal diagnostic purposes.
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|     */
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|     inline unsigned int GetActualVirtualHeight() const;
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| 
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|     unsigned int GetColumnCount() const'
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| 
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|     int GetColumnMinWidth( int column ) const;
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| 
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|     int GetColumnWidth( unsigned int column ) const;
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| 
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|     wxPropertyGrid* GetGrid() const;
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| 
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|     /**
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|         Returns last item which could be iterated using given flags.
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|         @param flags
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|             @ref propgrid_iterator_flags
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|     */
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|     wxPGProperty* GetLastItem( int flags = wxPG_ITERATE_DEFAULT );
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| 
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|     const wxPGProperty* GetLastItem( int flags = wxPG_ITERATE_DEFAULT ) const;
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| 
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|     /**
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|         Returns currently selected property.
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|     */
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|     wxPGProperty* GetSelection() const;
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| 
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|     void DoSetSelection( wxPGProperty* prop );
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| 
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|     bool DoClearSelection();
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| 
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|     void DoRemoveFromSelection( wxPGProperty* prop );
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| 
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|     void DoSetColumnProportion( unsigned int column, int proportion );
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| 
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|     int DoGetColumnProportion( unsigned int column ) const;
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| 
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|     void ResetColumnSizes( int setSplitterFlags );
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| 
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|     wxPropertyCategory* GetPropertyCategory( const wxPGProperty* p ) const;
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| 
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|     wxVariant DoGetPropertyValues( const wxString& listname,
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|                                    wxPGProperty* baseparent,
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|                                    long flags ) const;
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| 
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|     wxPGProperty* DoGetRoot() const;
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| 
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|     void DoSetPropertyName( wxPGProperty* p, const wxString& newName );
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| 
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|     /**
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|         Returns combined width of margin and all the columns.
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|     */
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|     int GetVirtualWidth() const;
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| 
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|     /**
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|         Returns minimal width for given column so that all images and texts
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|         will fit entirely.
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| 
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|         Used by SetSplitterLeft() and DoFitColumns().
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|     */
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|     int GetColumnFitWidth(wxClientDC& dc,
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|                           wxPGProperty* pwc,
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|                           unsigned int col,
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|                           bool subProps) const;
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| 
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|     int GetColumnFullWidth(wxClientDC &dc, wxPGProperty *p, unsigned int col);
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| 
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|     /**
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|         Returns information about arbitrary position in the grid.
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| 
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|         @param pt
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|             Logical coordinates in the virtual grid space. Use
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|             wxScrolled<T>::CalcUnscrolledPosition() if you need to
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|             translate a scrolled position into a logical one.
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|     */
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|     wxPropertyGridHitTestResult HitTest( const wxPoint& pt ) const;
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| 
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|     /**
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|         Returns true if page is visibly displayed.
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|     */
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|     inline bool IsDisplayed() const;
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| 
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|     bool IsInNonCatMode() const;
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| 
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|     void DoLimitPropertyEditing( wxPGProperty* p, bool limit = true );
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| 
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|     bool DoSelectProperty( wxPGProperty* p, unsigned int flags = 0 );
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| 
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|     /**
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|         widthChange is non-client.
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|     */
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|     void OnClientWidthChange( int newWidth,
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|                               int widthChange,
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|                               bool fromOnResize = false );
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| 
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|     /**
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|         Recalculates m_virtualHeight.
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|     */
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|     void RecalculateVirtualHeight();
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| 
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|     void SetColumnCount( int colCount );
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| 
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|     void PropagateColSizeDec( int column, int decrease, int dir );
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| 
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|     bool DoHideProperty( wxPGProperty* p, bool hide, int flags = wxPG_RECURSE );
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| 
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|     bool DoSetPropertyValueString( wxPGProperty* p, const wxString& value );
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| 
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|     bool DoSetPropertyValue( wxPGProperty* p, wxVariant& value );
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| 
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|     bool DoSetPropertyValueWxObjectPtr( wxPGProperty* p, wxObject* value );
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|     void DoSetPropertyValues( const wxVariantList& list,
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|                               wxPGProperty* default_category );
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| 
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|     void SetSplitterLeft( bool subProps = false );
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| 
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|     /**
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|         Set virtual width for this particular page.
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|     */
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|     void SetVirtualWidth( int width );
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| 
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|     void DoSortChildren( wxPGProperty* p, int flags = 0 );
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|     void DoSort( int flags = 0 );
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| 
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|     bool PrepareAfterItemsAdded();
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| 
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|     /**
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|         Called after virtual height needs to be recalculated.
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|     */
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|     void VirtualHeightChanged();
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| 
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|     /**
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|         Base append.
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|     */
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|     wxPGProperty* DoAppend( wxPGProperty* property );
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| 
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|     /**
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|         Returns property by its name.
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|     */
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|     wxPGProperty* BaseGetPropertyByName( const wxString& name ) const;
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| 
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|     /**
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|         Called in, for example, wxPropertyGrid::Clear.
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|     */
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|     void DoClear();
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| 
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|     bool DoIsPropertySelected( wxPGProperty* prop ) const;
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| 
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|     bool DoCollapse( wxPGProperty* p );
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| 
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|     bool DoExpand( wxPGProperty* p );
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| 
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|     void CalculateFontAndBitmapStuff( int vspacing );
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| }:
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