114 lines
4.5 KiB
C++
114 lines
4.5 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 );
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virtual wxDataViewCellMode GetMode() const;
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virtual void SetAlignment( int align );
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virtual int GetAlignment() const;
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virtual void EnableEllipsize(wxEllipsizeMode mode = wxELLIPSIZE_MIDDLE);
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virtual wxEllipsizeMode GetEllipsizeMode() const;
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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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// should be overridden to return true if the renderer supports properties
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// corresponding to wxDataViewItemAttr field, see wxGtkTreeCellDataFunc()
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// for details
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virtual bool GtkSupportsAttrs() const { return false; }
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// if GtkSupportsAttrs() returns true, this function will be called to
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// effectively set the attribute to use for rendering the next item
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//
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// it should return true if the attribute had any non-default properties
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virtual bool GtkSetAttr(const wxDataViewItemAttr& WXUNUSED(attr))
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{ return false; }
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// these functions are only called if GtkSupportsAttrs() returns true and
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// are used to remember whether the renderer currently uses the default
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// attributes or if we changed (and not reset them)
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bool GtkIsUsingDefaultAttrs() const { return m_usingDefaultAttrs; }
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void GtkSetUsingDefaultAttrs(bool def) { m_usingDefaultAttrs = def; }
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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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// 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 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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