98 lines
		
	
	
		
			3.8 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			98 lines
		
	
	
		
			3.8 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
///////////////////////////////////////////////////////////////////////////////
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// Name:        wx/gtk/dvrenderer.h
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// Purpose:     wxDataViewRenderer for GTK wxDataViewCtrl implementation
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// Author:      Robert Roebling, Vadim Zeitlin
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// Created:     2009-11-07 (extracted from wx/gtk/dataview.h)
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// Copyright:   (c) 2006 Robert Roebling
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//              (c) 2009 Vadim Zeitlin <vadim@wxwidgets.org>
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// Licence:     wxWindows licence
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///////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_GTK_DVRENDERER_H_
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#define _WX_GTK_DVRENDERER_H_
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typedef struct _GtkCellRendererText GtkCellRendererText;
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typedef struct _GtkTreeViewColumn GtkTreeViewColumn;
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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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    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 void SetMode( wxDataViewCellMode mode ) wxOVERRIDE;
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    virtual wxDataViewCellMode GetMode() const wxOVERRIDE;
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    virtual void SetAlignment( int align ) wxOVERRIDE;
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    virtual int GetAlignment() const wxOVERRIDE;
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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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    virtual bool FinishEditing() wxOVERRIDE;
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    // GTK-specific implementation
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    // ---------------------------
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    // pack the GTK cell renderers used by this renderer to the given column
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    //
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    // by default only a single m_renderer is used but some renderers use more
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    // than one GTK cell renderer
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    virtual void GtkPackIntoColumn(GtkTreeViewColumn *column);
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    // called when the cell value was edited by user with the new value
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    //
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    // it validates the new value and notifies the model about the change by
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    // calling GtkOnCellChanged() if it was accepted
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    virtual void GtkOnTextEdited(const char *itempath, const wxString& value);
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    GtkCellRenderer* GetGtkHandle() { return m_renderer; }
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    void GtkInitHandlers();
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    void GtkUpdateAlignment() { GtkApplyAlignment(m_renderer); }
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    // return the text renderer used by this renderer for setting text cell
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    // specific attributes: can return NULL if this renderer doesn't render any
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    // text
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    virtual GtkCellRendererText *GtkGetTextRenderer() const { return NULL; }
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private:
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    // Change the mode at GTK level without touching m_mode, this is useful for
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    // temporarily making the renderer insensitive but does mean that GetMode()
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    // may return a value different from the actual GTK renderer mode.
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    void GtkSetMode(wxDataViewCellMode mode);
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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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    virtual void GtkOnCellChanged(const wxVariant& value,
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                                  const wxDataViewItem& item,
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                                  unsigned col);
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    // Apply our effective alignment (i.e. m_alignment if specified or the
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    // associated column alignment by default) to the given renderer.
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    void GtkApplyAlignment(GtkCellRenderer *renderer);
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    GtkCellRenderer    *m_renderer;
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    int                 m_alignment;
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    // We store the renderer mode at wx level as it can differ from the mode of
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    // the corresponding GTK+ renderer as explained above.
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    wxDataViewCellMode  m_mode;
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    // true if we hadn't changed any visual attributes or restored them since
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    // doing this
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    bool m_usingDefaultAttrs;
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protected:
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    wxDECLARE_DYNAMIC_CLASS_NO_COPY(wxDataViewRenderer);
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};
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#endif // _WX_GTK_DVRENDERER_H_
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