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///////////////////////////////////////////////////////////////////////////////
// Name: wx/gtk/dvrenderer.h
// Purpose: wxDataViewRenderer for GTK wxDataViewCtrl implementation
// Author: Robert Roebling, Vadim Zeitlin
// Created: 2009-11-07 (extracted from wx/gtk/dataview.h)
// Copyright: (c) 2006 Robert Roebling
// (c) 2009 Vadim Zeitlin <vadim@wxwidgets.org>
// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
#ifndef _WX_GTK_DVRENDERER_H_
#define _WX_GTK_DVRENDERER_H_
typedef struct _GtkCellRendererText GtkCellRendererText;
typedef struct _GtkTreeViewColumn GtkTreeViewColumn;
// ----------------------------------------------------------------------------
// wxDataViewRenderer
// ----------------------------------------------------------------------------
class WXDLLIMPEXP_ADV wxDataViewRenderer: public wxDataViewRendererBase
{
public:
wxDataViewRenderer( const wxString &varianttype,
wxDataViewCellMode mode = wxDATAVIEW_CELL_INERT,
int align = wxDVR_DEFAULT_ALIGNMENT );
virtual void SetMode( wxDataViewCellMode mode );
virtual wxDataViewCellMode GetMode() const;
virtual void SetAlignment( int align );
virtual int GetAlignment() const;
virtual void EnableEllipsize(wxEllipsizeMode mode = wxELLIPSIZE_MIDDLE);
virtual wxEllipsizeMode GetEllipsizeMode() const;
// GTK-specific implementation
// ---------------------------
// pack the GTK cell renderers used by this renderer to the given column
//
// by default only a single m_renderer is used but some renderers use more
// than one GTK cell renderer
virtual void GtkPackIntoColumn(GtkTreeViewColumn *column);
// called when the cell value was edited by user with the new value
//
// it validates the new value and notifies the model about the change by
// calling GtkOnCellChanged() if it was accepted
virtual void GtkOnTextEdited(const char *itempath, const wxString& value);
GtkCellRenderer* GetGtkHandle() { return m_renderer; }
void GtkInitHandlers();
void GtkUpdateAlignment() { GtkApplyAlignment(m_renderer); }
// should be overridden to return true if the renderer supports properties
// corresponding to wxDataViewItemAttr field, see wxGtkTreeCellDataFunc()
// for details
virtual bool GtkSupportsAttrs() const { return false; }
// if GtkSupportsAttrs() returns true, this function will be called to
// effectively set the attribute to use for rendering the next item
//
// it should return true if the attribute had any non-default properties
virtual bool GtkSetAttr(const wxDataViewItemAttr& WXUNUSED(attr))
{ return false; }
// these functions are only called if GtkSupportsAttrs() returns true and
// are used to remember whether the renderer currently uses the default
// attributes or if we changed (and not reset them)
bool GtkIsUsingDefaultAttrs() const { return m_usingDefaultAttrs; }
void GtkSetUsingDefaultAttrs(bool def) { m_usingDefaultAttrs = def; }
// return the text renderer used by this renderer for setting text cell
// specific attributes: can return NULL if this renderer doesn't render any
// text
virtual GtkCellRendererText *GtkGetTextRenderer() const { return NULL; }
wxDataViewCellMode GtkGetMode() { return m_mode; }
protected:
virtual void GtkOnCellChanged(const wxVariant& value,
const wxDataViewItem& item,
unsigned col);
// Apply our effective alignment (i.e. m_alignment if specified or the
// associated column alignment by default) to the given renderer.
void GtkApplyAlignment(GtkCellRenderer *renderer);
GtkCellRenderer *m_renderer;
int m_alignment;
wxDataViewCellMode m_mode;
// true if we hadn't changed any visual attributes or restored them since
// doing this
bool m_usingDefaultAttrs;
protected:
DECLARE_DYNAMIC_CLASS_NO_COPY(wxDataViewRenderer)
};
#endif // _WX_GTK_DVRENDERER_H_
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