561 lines
18 KiB
Objective-C
561 lines
18 KiB
Objective-C
/////////////////////////////////////////////////////////////////////////////
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// Name: manager.h
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// Purpose: interface of wxPropertyGridManager
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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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@class wxPropertyGridPage
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Holder of property grid page information. You can subclass this and
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give instance in wxPropertyGridManager::AddPage. It inherits from
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wxEvtHandler and can be used to process events specific to this
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page (id of events will still be same as manager's). If you don't
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want to use it to process all events of the page, you need to
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return @false in the derived wxPropertyGridPage::IsHandlingAllEvents.
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Please note that wxPropertyGridPage lacks many non-const property
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manipulation functions found in wxPropertyGridManager.
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Please use parent manager (m_manager member variable) when needed.
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Please note that most member functions are inherited and as such not
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documented on this page. This means you will probably also want to read
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wxPropertyGridInterface class reference.
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@section propgridpage_event_handling Event Handling
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wxPropertyGridPage receives events emitted by its wxPropertyGridManager, but
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only those events that are specific to that page. If wxPropertyGridPage::
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IsHandlingAllEvents returns @false, then unhandled events are sent to the
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manager's parent, as usual.
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See @ref propgrid_event_handling "wxPropertyGrid Event Handling"
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for more information.
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@library{wxpropgrid}
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@category{propgrid}
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*/
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class wxPropertyGridPage : public wxEvtHandler,
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public wxPropertyGridInterface,
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public wxPropertyGridPageState
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{
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friend class wxPropertyGridManager;
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public:
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wxPropertyGridPage();
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virtual ~wxPropertyGridPage();
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/**
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Deletes all properties on page.
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*/
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virtual void Clear();
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/**
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Reduces column sizes to minimum possible that contents are still visibly
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(naturally some margin space will be applied as well).
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@return Returns minimum size for the page to still display everything.
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@remarks This function only works properly if size of containing grid was
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already fairly large.
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Note that you can also get calculated column widths by calling
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GetColumnWidth() immediately after this function returns.
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*/
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wxSize FitColumns();
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/**
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Returns page index in manager;
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*/
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inline int GetIndex() const;
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/**
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Returns "root property". It does not have name, etc. and it is not
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visible. It is only useful for accessing its children.
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*/
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wxPGProperty* GetRoot() const;
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/**
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Returns x-coordinate position of splitter on a page.
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*/
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int GetSplitterPosition( int col = 0 ) const;
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/**
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Returns pointer to contained property grid state.
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*/
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wxPropertyGridPageState* GetStatePtr();
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/**
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Returns pointer to contained property grid state.
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*/
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const wxPropertyGridPageState* GetStatePtr() const;
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/**
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Returns id of the tool bar item that represents this page on
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wxPropertyGridManager's wxToolBar.
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*/
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int GetToolId() const;
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/**
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Do any member initialization in this method.
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@remarks - Called every time the page is added into a manager.
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- You can add properties to the page here.
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*/
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virtual void Init();
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/**
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Return @false here to indicate unhandled events should be
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propagated to manager's parent, as normal.
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*/
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virtual bool IsHandlingAllEvents() const;
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/**
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Called every time page is about to be shown.
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Useful, for instance, creating properties just-in-time.
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*/
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virtual void OnShow();
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/**
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Refreshes given property on page.
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*/
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virtual void RefreshProperty( wxPGProperty* p );
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/**
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Sets splitter position on page.
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@remarks
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Splitter position cannot exceed grid size, and therefore setting it
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during form creation may fail as initial grid size is often smaller than
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desired splitter position, especially when sizers are being used.
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*/
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void SetSplitterPosition( int splitterPos, int col = 0 );
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};
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/**
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@class wxPropertyGridManager
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wxPropertyGridManager is an efficient multi-page version of wxPropertyGrid,
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which can optionally have toolbar for mode and page selection, a help text
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box, and a header.
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wxPropertyGridManager inherits from wxPropertyGridInterface, and as such
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it has most property manipulation functions. However, only some of them affect
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properties on all pages (e.g. GetPropertyByName() and ExpandAll()), while some
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(e.g. Append()) only apply to the currently selected page.
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To operate explicitly on properties on specific page, use
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wxPropertyGridManager::GetPage() to obtain pointer to page's
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wxPropertyGridPage object.
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Visual methods, such as SetCellBackgroundColour() are only available in
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wxPropertyGrid. Use wxPropertyGridManager::GetGrid() to obtain pointer to it.
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Non-virtual iterators will not work in wxPropertyGridManager. Instead, you must
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acquire the internal grid (GetGrid()) or wxPropertyGridPage object (GetPage()).
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wxPropertyGridManager constructor has exact same format as wxPropertyGrid
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constructor, and basically accepts same extra window style flags (albeit also
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has some extra ones).
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Here's some example code for creating and populating a wxPropertyGridManager:
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@code
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wxPropertyGridManager* pgMan = new wxPropertyGridManager(this, PGID,
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wxDefaultPosition, wxDefaultSize,
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// These and other similar styles are automatically
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// passed to the embedded wxPropertyGrid.
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wxPG_BOLD_MODIFIED|wxPG_SPLITTER_AUTO_CENTER|
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// Include toolbar.
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wxPG_TOOLBAR |
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// Include description box.
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wxPG_DESCRIPTION |
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// Include compactor.
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wxPG_COMPACTOR |
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// Plus defaults.
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wxPGMAN_DEFAULT_STYLE
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);
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wxPropertyGridPage* page;
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page = pgMan->AddPage("First Page");
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page->Append( new wxPropertyCategory("Category A1") );
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page->Append( new wxIntProperty("Number",wxPG_LABEL,1) );
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page->Append( new wxColourProperty("Colour",wxPG_LABEL,*wxWHITE) );
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page = pgMan->AddPage("Second Page");
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page->Append( "Text",wxPG_LABEL,"(no text)" );
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page->Append( new wxFontProperty("Font",wxPG_LABEL) );
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// Display a header above the grid
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pgMan->ShowHeader();
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@endcode
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@section propgridmanager_window_styles_ Window Styles
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See @ref propgrid_window_styles.
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@section propgridmanager_event_handling Event Handling
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See @ref propgrid_event_handling "wxPropertyGrid Event Handling"
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for more information.
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@library{wxpropgrid}
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@category{propgrid}
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*/
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class wxPropertyGridManager : public wxPanel, public wxPropertyGridInterface
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{
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public:
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/**
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Two step constructor.
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Call Create when this constructor is called to build up the
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wxPropertyGridManager.
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*/
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wxPropertyGridManager();
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/**
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The default constructor. The styles to be used are styles valid for
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the wxWindow.
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@see @ref propgrid_window_styles
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*/
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wxPropertyGridManager( wxWindow *parent, wxWindowID id = wxID_ANY,
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const wxPoint& pos = wxDefaultPosition,
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const wxSize& size = wxDefaultSize,
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long style = wxPGMAN_DEFAULT_STYLE,
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const wxString& name = wxPropertyGridManagerNameStr );
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/**
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Destructor.
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*/
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virtual ~wxPropertyGridManager();
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/**
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Creates new property page. Note that the first page is not created
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automatically.
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@param label
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A label for the page. This may be shown as a toolbar tooltip etc.
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@param bmp
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Bitmap image for toolbar. If wxNullBitmap is used, then a built-in
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default image is used.
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@param pageObj
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wxPropertyGridPage instance. Manager will take ownership of this
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object. @NULL indicates that a default page instance should be created.
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@return Returns pointer to created property grid page.
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@remarks If toolbar is used, it is highly recommended that the pages are
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added when the toolbar is not turned off using window style flag
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switching. Otherwise toolbar buttons might not be added properly.
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*/
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wxPropertyGridPage* AddPage( const wxString& label = wxEmptyString,
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const wxBitmap& bmp = wxPG_NULL_BITMAP,
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wxPropertyGridPage* pageObj = NULL );
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/**
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Deletes all properties and all pages.
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*/
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virtual void Clear();
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/**
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Deletes all properties on given page.
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*/
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void ClearPage( int page );
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/**
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Forces updating the value of property from the editor control.
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@return Returns @true if value was actually updated.
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*/
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bool CommitChangesFromEditor( wxUint32 flags = 0 );
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/**
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Two step creation. Whenever the control is created without any parameters,
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use Create to actually create it. Don't access the control's public methods
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before this is called.
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@see @ref propgrid_window_styles
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*/
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bool Create( wxWindow *parent, wxWindowID id = wxID_ANY,
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const wxPoint& pos = wxDefaultPosition,
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const wxSize& size = wxDefaultSize,
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long style = wxPGMAN_DEFAULT_STYLE,
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const wxString& name = wxPropertyGridManagerNameStr );
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/**
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Enables or disables (shows/hides) categories according to parameter enable.
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@remarks
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Calling this may not properly update toolbar buttons.
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*/
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bool EnableCategories( bool enable );
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/**
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Selects page, scrolls and/or expands items to ensure that the
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given item is visible.
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@return Returns @true if something was actually done.
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*/
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bool EnsureVisible( wxPGPropArg id );
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/**
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Returns number of columns on given page. By the default,
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returns number of columns on current page.
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*/
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int GetColumnCount( int page = -1 ) const;
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/**
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Returns height of the description text box.
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*/
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int GetDescBoxHeight() const;
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/**
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Returns pointer to the contained wxPropertyGrid. This does not change
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after wxPropertyGridManager has been created, so you can safely obtain
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pointer once and use it for the entire lifetime of the manager
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instance.
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*/
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wxPropertyGrid* GetGrid();
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/**
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Similar to GetIterator(), but instead returns wxPGVIterator instance,
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which can be useful for forward-iterating through arbitrary property
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containers.
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*/
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virtual wxPGVIterator GetVIterator( int flags ) const;
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/**
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Returns currently selected page.
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*/
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wxPropertyGridPage* GetCurrentPage() const;
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/**
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Returns page object for given page index.
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*/
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wxPropertyGridPage* GetPage( unsigned int ind ) const;
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/**
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Returns page object for given page name.
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*/
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wxPropertyGridPage* GetPage( const wxString& name ) const;
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/**
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Returns index for a page name. If no match is found, wxNOT_FOUND is
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returned.
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*/
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int GetPageByName( const wxString& name ) const;
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/**
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Returns index for a relevant propertygrid state.
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If no match is found, wxNOT_FOUND is returned.
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*/
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int GetPageByState( const wxPropertyGridPageState* pstate ) const;
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/**
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Returns number of managed pages.
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*/
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size_t GetPageCount() const;
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/**
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Returns name of given page.
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*/
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const wxString& GetPageName( int index ) const;
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/**
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Returns "root property" of the given page. It does not have name, etc.
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and it is not visible. It is only useful for accessing its children.
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*/
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wxPGProperty* GetPageRoot( int index ) const;
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/** Returns index to currently selected page. */
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int GetSelectedPage() const;
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/** Alias for GetSelection(). */
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wxPGProperty* GetSelectedProperty() const;
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/** Shortcut for GetGrid()->GetSelection(). */
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wxPGProperty* GetSelection() const;
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/**
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Returns a pointer to the toolbar currently associated with the
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wxPropertyGridManager (if any).
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*/
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wxToolBar* GetToolBar() const;
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/**
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Creates new property page. Note that the first page is not created
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automatically.
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@param index
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Add to this position. -1 will add as the last item.
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@param label
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A label for the page. This may be shown as a toolbar tooltip etc.
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@param bmp
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Bitmap image for toolbar. If wxNullBitmap is used, then a built-in
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default image is used.
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@param pageObj
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wxPropertyGridPage instance. Manager will take ownership of this
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object. If @NULL, default page object is constructed.
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@return Returns pointer to created page.
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*/
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virtual wxPropertyGridPage* InsertPage( int index, const wxString& label,
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const wxBitmap& bmp = wxNullBitmap,
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wxPropertyGridPage* pageObj = NULL );
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/**
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Returns @true if any property on any page has been modified by the user.
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*/
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bool IsAnyModified() const;
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/**
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Returns @true if updating is frozen (i.e. Freeze() called but not yet Thaw() ).
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*/
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bool IsFrozen() const;
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/**
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Returns @true if any property on given page has been modified by the user.
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*/
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bool IsPageModified( size_t index ) const;
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/**
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Returns @true if property is selected. Since selection is page
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based, this function checks every page in the manager.
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*/
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virtual bool IsPropertySelected( wxPGPropArg id ) const;
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/**
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Removes a page.
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@return Returns @false if it was not possible to remove page in question.
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*/
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virtual bool RemovePage( int page );
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/**
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Select and displays a given page.
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@param index
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Index of page being selected. Can be -1 to select nothing.
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*/
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void SelectPage( int index );
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/**
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Select and displays a given page (by label).
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*/
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void SelectPage( const wxString& label );
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/** Select and displays a given page. */
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void SelectPage( wxPropertyGridPage* page );
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/**
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Select a property.
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@see wxPropertyGrid::SelectProperty(),
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wxPropertyGridInterface::ClearSelection()
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*/
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bool SelectProperty( wxPGPropArg id, bool focus = false );
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/**
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Sets number of columns on given page (default is current page).
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@remarks If you use header, then you should always use this
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member function to set the column count, instead of
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ones present in wxPropertyGrid or wxPropertyGridPage.
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*/
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void SetColumnCount( int colCount, int page = -1 );
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/**
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Sets a column title. Default title for column 0 is "Property",
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and "Value" for column 1.
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@remarks If header is not shown yet, then calling this
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member function will make it visible.
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*/
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void SetColumnTitle( int idx, const wxString& title );
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/**
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Sets label and text in description box.
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*/
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void SetDescription( const wxString& label, const wxString& content );
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/** Sets y coordinate of the description box splitter. */
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void SetDescBoxHeight( int ht, bool refresh = true );
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/**
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Moves splitter as left as possible, while still allowing all
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labels to be shown in full.
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@param subProps
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If @false, will still allow sub-properties (i.e. properties which
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parent is not root or category) to be cropped.
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@param allPages
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If @true, takes labels on all pages into account.
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*/
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void SetSplitterLeft( bool subProps = false, bool allPages = true );
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/** Moves splitter as left as possible on an individual page, while still allowing all
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labels to be shown in full.
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*/
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void SetPageSplitterLeft(int page, bool subProps = false);
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/**
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Sets splitter position on individual page.
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@remarks If you use header, then you should always use this
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member function to set the splitter position, instead of
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ones present in wxPropertyGrid or wxPropertyGridPage.
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*/
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void SetPageSplitterPosition( int page, int pos, int column = 0 );
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/**
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Sets splitter position for all pages.
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@remarks Splitter position cannot exceed grid size, and therefore
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setting it during form creation may fail as initial grid
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size is often smaller than desired splitter position,
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especially when sizers are being used.
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If you use header, then you should always use this
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member function to set the splitter position, instead of
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ones present in wxPropertyGrid or wxPropertyGridPage.
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*/
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void SetSplitterPosition( int pos, int column = 0 );
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/**
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Show or hide the property grid header control. It is hidden
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by the default.
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@remarks Grid may look better if you use ::wxPG_NO_INTERNAL_BORDER
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window style when showing a header.
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*/
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void ShowHeader(bool show = true);
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protected:
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//
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// Subclassing helpers
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//
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/**
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Creates property grid for the manager. Reimplement in derived class to
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use subclassed wxPropertyGrid. However, if you do this then you
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must also use the two-step construction (i.e. default constructor and
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Create() instead of constructor with arguments) when creating the
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manager.
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*/
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virtual wxPropertyGrid* CreatePropertyGrid() const;
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};
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