wxWidgets/include/wx/generic/dataview.h
Václav Slavík d0154e3a5a Add optional columns autosizing to wxDataViewCtrl.
Only implemented in the generic and GTK+ versions at the moment, OS X
support will be added later.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@65948 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
2010-10-30 15:57:41 +00:00

267 lines
9.3 KiB
C++

/////////////////////////////////////////////////////////////////////////////
// Name: wx/generic/dataview.h
// Purpose: wxDataViewCtrl generic implementation header
// Author: Robert Roebling
// Modified By: Bo Yang
// Id: $Id$
// Copyright: (c) 1998 Robert Roebling
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef __GENERICDATAVIEWCTRLH__
#define __GENERICDATAVIEWCTRLH__
#include "wx/defs.h"
#include "wx/object.h"
#include "wx/list.h"
#include "wx/control.h"
#include "wx/scrolwin.h"
#include "wx/icon.h"
#include "wx/vector.h"
class WXDLLIMPEXP_FWD_ADV wxDataViewMainWindow;
class WXDLLIMPEXP_FWD_ADV wxDataViewHeaderWindow;
// ---------------------------------------------------------
// wxDataViewColumn
// ---------------------------------------------------------
class WXDLLIMPEXP_ADV wxDataViewColumn : public wxDataViewColumnBase
{
public:
wxDataViewColumn(const wxString& title,
wxDataViewRenderer *renderer,
unsigned int model_column,
int width = wxDVC_DEFAULT_WIDTH,
wxAlignment align = wxALIGN_CENTER,
int flags = wxDATAVIEW_COL_RESIZABLE)
: wxDataViewColumnBase(renderer, model_column),
m_title(title)
{
Init(width, align, flags);
}
wxDataViewColumn(const wxBitmap& bitmap,
wxDataViewRenderer *renderer,
unsigned int model_column,
int width = wxDVC_DEFAULT_WIDTH,
wxAlignment align = wxALIGN_CENTER,
int flags = wxDATAVIEW_COL_RESIZABLE)
: wxDataViewColumnBase(bitmap, renderer, model_column)
{
Init(width, align, flags);
}
// implement wxHeaderColumnBase methods
virtual void SetTitle(const wxString& title) { m_title = title; UpdateDisplay(); }
virtual wxString GetTitle() const { return m_title; }
virtual void SetWidth(int width) { m_width = width; UpdateDisplay(); }
virtual int GetWidth() const;
virtual void SetMinWidth(int minWidth) { m_minWidth = minWidth; UpdateDisplay(); }
virtual int GetMinWidth() const { return m_minWidth; }
virtual void SetAlignment(wxAlignment align) { m_align = align; UpdateDisplay(); }
virtual wxAlignment GetAlignment() const { return m_align; }
virtual void SetFlags(int flags) { m_flags = flags; UpdateDisplay(); }
virtual int GetFlags() const { return m_flags; }
virtual void SetAsSortKey(bool sort = true) { m_sort = sort; UpdateDisplay(); }
virtual bool IsSortKey() const { return m_sort; }
virtual void SetSortOrder(bool ascending) { m_sortAscending = ascending; UpdateDisplay(); }
virtual bool IsSortOrderAscending() const { return m_sortAscending; }
virtual void SetBitmap( const wxBitmap& bitmap ) { wxDataViewColumnBase::SetBitmap(bitmap); UpdateDisplay(); }
private:
// common part of all ctors
void Init(int width, wxAlignment align, int flags);
void UpdateDisplay();
wxString m_title;
int m_width,
m_minWidth;
wxAlignment m_align;
int m_flags;
bool m_sort,
m_sortAscending;
friend class wxDataViewHeaderWindowBase;
friend class wxDataViewHeaderWindow;
friend class wxDataViewHeaderWindowMSW;
};
// ---------------------------------------------------------
// wxDataViewCtrl
// ---------------------------------------------------------
WX_DECLARE_LIST_WITH_DECL(wxDataViewColumn, wxDataViewColumnList,
class WXDLLIMPEXP_ADV);
class WXDLLIMPEXP_ADV wxDataViewCtrl : public wxDataViewCtrlBase,
public wxScrollHelper
{
friend class wxDataViewMainWindow;
friend class wxDataViewHeaderWindowBase;
friend class wxDataViewHeaderWindow;
friend class wxDataViewHeaderWindowMSW;
friend class wxDataViewColumn;
public:
wxDataViewCtrl() : wxScrollHelper(this)
{
Init();
}
wxDataViewCtrl( wxWindow *parent, wxWindowID id,
const wxPoint& pos = wxDefaultPosition,
const wxSize& size = wxDefaultSize, long style = 0,
const wxValidator& validator = wxDefaultValidator,
const wxString& name = wxDataViewCtrlNameStr )
: wxScrollHelper(this)
{
Create(parent, id, pos, size, style, validator, name);
}
virtual ~wxDataViewCtrl();
void Init();
bool Create(wxWindow *parent, wxWindowID id,
const wxPoint& pos = wxDefaultPosition,
const wxSize& size = wxDefaultSize, long style = 0,
const wxValidator& validator = wxDefaultValidator,
const wxString& name = wxDataViewCtrlNameStr);
virtual bool AssociateModel( wxDataViewModel *model );
virtual bool AppendColumn( wxDataViewColumn *col );
virtual bool PrependColumn( wxDataViewColumn *col );
virtual bool InsertColumn( unsigned int pos, wxDataViewColumn *col );
virtual void DoSetExpanderColumn();
virtual void DoSetIndent();
virtual unsigned int GetColumnCount() const;
virtual wxDataViewColumn* GetColumn( unsigned int pos ) const;
virtual bool DeleteColumn( wxDataViewColumn *column );
virtual bool ClearColumns();
virtual int GetColumnPosition( const wxDataViewColumn *column ) const;
virtual wxDataViewColumn *GetSortingColumn() const;
virtual wxDataViewItem GetSelection() const;
virtual int GetSelections( wxDataViewItemArray & sel ) const;
virtual void SetSelections( const wxDataViewItemArray & sel );
virtual void Select( const wxDataViewItem & item );
virtual void Unselect( const wxDataViewItem & item );
virtual bool IsSelected( const wxDataViewItem & item ) const;
virtual void SelectAll();
virtual void UnselectAll();
virtual void EnsureVisible( const wxDataViewItem & item,
const wxDataViewColumn *column = NULL );
virtual void HitTest( const wxPoint & point, wxDataViewItem & item,
wxDataViewColumn* &column ) const;
virtual wxRect GetItemRect( const wxDataViewItem & item,
const wxDataViewColumn *column = NULL ) const;
virtual void Expand( const wxDataViewItem & item );
virtual void Collapse( const wxDataViewItem & item );
virtual bool IsExpanded( const wxDataViewItem & item ) const;
virtual void SetFocus();
#if wxUSE_DRAG_AND_DROP
virtual bool EnableDragSource( const wxDataFormat &format );
virtual bool EnableDropTarget( const wxDataFormat &format );
#endif // wxUSE_DRAG_AND_DROP
virtual wxBorder GetDefaultBorder() const;
void StartEditor( const wxDataViewItem & item, unsigned int column );
protected:
virtual int GetSelections( wxArrayInt & sel ) const;
virtual void SetSelections( const wxArrayInt & sel );
virtual void Select( int row );
virtual void Unselect( int row );
virtual bool IsSelected( int row ) const;
virtual void SelectRange( int from, int to );
virtual void UnselectRange( int from, int to );
virtual void EnsureVisible( int row, int column );
virtual wxDataViewItem GetItemByRow( unsigned int row ) const;
virtual int GetRowByItem( const wxDataViewItem & item ) const;
int GetSortingColumnIndex() const { return m_sortingColumnIdx; }
void SetSortingColumnIndex(int idx) { m_sortingColumnIdx = idx; }
public: // utility functions not part of the API
// returns the "best" width for the idx-th column
unsigned int GetBestColumnWidth(int idx) const;
// called by header window after reorder
void ColumnMoved( wxDataViewColumn* col, unsigned int new_pos );
// update the display after a change to an individual column
void OnColumnChange(unsigned int idx);
// update after a change to the number of columns
void OnColumnsCountChanged();
wxWindow *GetMainWindow() { return (wxWindow*) m_clientArea; }
// return the index of the given column in m_cols
int GetColumnIndex(const wxDataViewColumn *column) const;
// return the column displayed at the given position in the control
wxDataViewColumn *GetColumnAt(unsigned int pos) const;
private:
virtual wxDataViewItem DoGetCurrentItem() const;
virtual void DoSetCurrentItem(const wxDataViewItem& item);
void InvalidateColBestWidths();
void InvalidateColBestWidth(int idx);
wxDataViewColumnList m_cols;
// cached column best widths or 0 if not computed, values are for
// respective columns from m_cols and the arrays have same size
wxVector<int> m_colsBestWidths;
wxDataViewModelNotifier *m_notifier;
wxDataViewMainWindow *m_clientArea;
wxDataViewHeaderWindow *m_headerArea;
// the index of the column currently used for sorting or -1
int m_sortingColumnIdx;
private:
void OnSize( wxSizeEvent &event );
virtual wxSize GetSizeAvailableForScrollTarget(const wxSize& size);
// we need to return a special WM_GETDLGCODE value to process just the
// arrows but let the other navigation characters through
#ifdef __WXMSW__
virtual WXLRESULT MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam);
#endif // __WXMSW__
WX_FORWARD_TO_SCROLL_HELPER()
private:
DECLARE_DYNAMIC_CLASS(wxDataViewCtrl)
wxDECLARE_NO_COPY_CLASS(wxDataViewCtrl);
DECLARE_EVENT_TABLE()
};
#endif // __GENERICDATAVIEWCTRLH__