ff1dba498e
Add wxDataViewRenderer:: SetValueAdjuster() and a wxDataViewValueAdjuster class. This can be used to customize rendering of values depending on whether they are highlighted (selection) or not, without having to implement an entire new custom renderer.
116 lines
3.4 KiB
C++
116 lines
3.4 KiB
C++
///////////////////////////////////////////////////////////////////////////////
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// Name: wx/osx/dvrenderer.h
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// Purpose: wxDataViewRenderer for OS X wxDataViewCtrl implementations
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// Author: Vadim Zeitlin
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// Created: 2009-11-07 (extracted from wx/osx/dataview.h)
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// Copyright: (c) 2009 Vadim Zeitlin <vadim@wxwidgets.org>
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// Licence: wxWindows licence
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///////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_OSX_DVRENDERER_H_
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#define _WX_OSX_DVRENDERER_H_
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class wxDataViewRendererNativeData;
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// ----------------------------------------------------------------------------
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// wxDataViewRenderer
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// ----------------------------------------------------------------------------
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class WXDLLIMPEXP_ADV wxDataViewRenderer : public wxDataViewRendererBase
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{
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public:
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// constructors / destructor
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// -------------------------
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wxDataViewRenderer(const wxString& varianttype,
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wxDataViewCellMode mode = wxDATAVIEW_CELL_INERT,
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int align = wxDVR_DEFAULT_ALIGNMENT);
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virtual ~wxDataViewRenderer();
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// inherited methods from wxDataViewRendererBase
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// ---------------------------------------------
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virtual int GetAlignment() const wxOVERRIDE
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{
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return m_alignment;
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}
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virtual wxDataViewCellMode GetMode() const wxOVERRIDE
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{
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return m_mode;
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}
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virtual bool GetValue(wxVariant& value) const wxOVERRIDE
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{
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value = m_value;
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return true;
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}
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// NB: in Carbon this is always identical to the header alignment
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virtual void SetAlignment(int align) wxOVERRIDE;
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virtual void SetMode(wxDataViewCellMode mode) wxOVERRIDE;
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virtual bool SetValue(const wxVariant& newValue) wxOVERRIDE
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{
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m_value = newValue;
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return true;
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}
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virtual void EnableEllipsize(wxEllipsizeMode mode = wxELLIPSIZE_MIDDLE) wxOVERRIDE;
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virtual wxEllipsizeMode GetEllipsizeMode() const wxOVERRIDE;
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// implementation
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// --------------
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const wxVariant& GetValue() const
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{
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return m_value;
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}
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wxDataViewRendererNativeData* GetNativeData() const
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{
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return m_NativeDataPtr;
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}
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// a call to the native data browser function to render the data;
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// returns true if the data value could be rendered, false otherwise
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virtual bool MacRender() = 0;
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void SetNativeData(wxDataViewRendererNativeData* newNativeDataPtr);
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void OSXUpdateAlignment();
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#if wxOSX_USE_COCOA
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// called when a value was edited by user
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virtual void OSXOnCellChanged(NSObject *value,
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const wxDataViewItem& item,
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unsigned col);
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protected:
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virtual void SetAttr(const wxDataViewItemAttr& attr) wxOVERRIDE;
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virtual void SetEnabled(bool enabled) wxOVERRIDE;
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#else
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protected:
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void SetAttr(const wxDataViewItemAttr& WXUNUSED(attr)) wxOVERRIDE { };
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void SetEnabled(bool WXUNUSED(enabled)) wxOVERRIDE { };
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#endif
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virtual bool IsHighlighted() const wxOVERRIDE;
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private:
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// contains the alignment flags
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int m_alignment;
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// storing the mode that determines how the cell is going to be shown
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wxDataViewCellMode m_mode;
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// data used by implementation of the native renderer
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wxDataViewRendererNativeData* m_NativeDataPtr;
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// value that is going to be rendered
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wxVariant m_value;
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wxDECLARE_DYNAMIC_CLASS_NO_COPY(wxDataViewRenderer);
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};
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#endif // _WX_OSX_DVRENDERER_H_
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