wxWidgets/include/wx/generic/dataview.h
Vadim Zeitlin b70109ee7a Don't make some generic wxDataViewCtrl unnecessarily virtual
These methods are not supposed to be overridden and don't override any base
class methods neither.
2016-03-14 00:13:46 +01:00

352 lines
12 KiB
C++

/////////////////////////////////////////////////////////////////////////////
// Name: wx/generic/dataview.h
// Purpose: wxDataViewCtrl generic implementation header
// Author: Robert Roebling
// Modified By: Bo Yang
// 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) wxOVERRIDE
{
m_title = title;
UpdateDisplay();
}
virtual wxString GetTitle() const wxOVERRIDE
{
return m_title;
}
virtual void SetWidth(int width) wxOVERRIDE
{
m_width = width;
UpdateDisplay();
}
virtual int GetWidth() const wxOVERRIDE;
virtual void SetMinWidth(int minWidth) wxOVERRIDE
{
m_minWidth = minWidth;
UpdateDisplay();
}
virtual int GetMinWidth() const wxOVERRIDE
{
return m_minWidth;
}
virtual void SetAlignment(wxAlignment align) wxOVERRIDE
{
m_align = align;
UpdateDisplay();
}
virtual wxAlignment GetAlignment() const wxOVERRIDE
{
return m_align;
}
virtual void SetFlags(int flags) wxOVERRIDE
{
m_flags = flags;
UpdateDisplay();
}
virtual int GetFlags() const wxOVERRIDE
{
return m_flags;
}
virtual bool IsSortKey() const wxOVERRIDE
{
return m_sort;
}
virtual void UnsetAsSortKey() wxOVERRIDE;
virtual void SetSortOrder(bool ascending) wxOVERRIDE;
virtual bool IsSortOrderAscending() const wxOVERRIDE
{
return m_sortAscending;
}
virtual void SetBitmap( const wxBitmap& bitmap ) wxOVERRIDE
{
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 ) wxOVERRIDE;
virtual bool AppendColumn( wxDataViewColumn *col ) wxOVERRIDE;
virtual bool PrependColumn( wxDataViewColumn *col ) wxOVERRIDE;
virtual bool InsertColumn( unsigned int pos, wxDataViewColumn *col ) wxOVERRIDE;
virtual void DoSetExpanderColumn() wxOVERRIDE;
virtual void DoSetIndent() wxOVERRIDE;
virtual unsigned int GetColumnCount() const wxOVERRIDE;
virtual wxDataViewColumn* GetColumn( unsigned int pos ) const wxOVERRIDE;
virtual bool DeleteColumn( wxDataViewColumn *column ) wxOVERRIDE;
virtual bool ClearColumns() wxOVERRIDE;
virtual int GetColumnPosition( const wxDataViewColumn *column ) const wxOVERRIDE;
virtual wxDataViewColumn *GetSortingColumn() const wxOVERRIDE;
virtual wxVector<wxDataViewColumn *> GetSortingColumns() const wxOVERRIDE;
virtual int GetSelectedItemsCount() const wxOVERRIDE;
virtual int GetSelections( wxDataViewItemArray & sel ) const wxOVERRIDE;
virtual void SetSelections( const wxDataViewItemArray & sel ) wxOVERRIDE;
virtual void Select( const wxDataViewItem & item ) wxOVERRIDE;
virtual void Unselect( const wxDataViewItem & item ) wxOVERRIDE;
virtual bool IsSelected( const wxDataViewItem & item ) const wxOVERRIDE;
virtual void SelectAll() wxOVERRIDE;
virtual void UnselectAll() wxOVERRIDE;
virtual void EnsureVisible( const wxDataViewItem & item,
const wxDataViewColumn *column = NULL ) wxOVERRIDE;
virtual void HitTest( const wxPoint & point, wxDataViewItem & item,
wxDataViewColumn* &column ) const wxOVERRIDE;
virtual wxRect GetItemRect( const wxDataViewItem & item,
const wxDataViewColumn *column = NULL ) const wxOVERRIDE;
virtual bool SetRowHeight( int rowHeight ) wxOVERRIDE;
virtual void Expand( const wxDataViewItem & item ) wxOVERRIDE;
virtual void Collapse( const wxDataViewItem & item ) wxOVERRIDE;
virtual bool IsExpanded( const wxDataViewItem & item ) const wxOVERRIDE;
virtual void SetFocus() wxOVERRIDE;
virtual bool SetFont(const wxFont & font) wxOVERRIDE;
virtual bool AllowMultiColumnSort(bool allow) wxOVERRIDE;
virtual bool IsMultiColumnSortAllowed() { return m_allowMultiColumnSort; }
virtual void ToggleSortByColumn(int column) wxOVERRIDE;
#if wxUSE_DRAG_AND_DROP
virtual bool EnableDragSource( const wxDataFormat &format ) wxOVERRIDE;
virtual bool EnableDropTarget( const wxDataFormat &format ) wxOVERRIDE;
#endif // wxUSE_DRAG_AND_DROP
virtual wxBorder GetDefaultBorder() const wxOVERRIDE;
virtual void EditItem(const wxDataViewItem& item, const wxDataViewColumn *column) wxOVERRIDE;
// These methods are specific to generic wxDataViewCtrl implementation and
// should not be used in portable code.
wxColour GetAlternateRowColour() const { return m_alternateRowColour; }
void SetAlternateRowColour(const wxColour& colour);
protected:
virtual void EnsureVisible( int row, int column );
// Notice that row here may be invalid (i.e. >= GetRowCount()), this is not
// an error and this function simply returns an invalid item in this case.
wxDataViewItem GetItemByRow( unsigned int row ) const;
int GetRowByItem( const wxDataViewItem & item ) const;
// Mark the column as being used or not for sorting.
void UseColumnForSorting(int idx);
void DontUseColumnForSorting(int idx);
// Return true if the given column is sorted
bool IsColumnSorted(int idx) const;
// Reset all columns currently used for sorting.
void ResetAllSortColumns();
virtual void DoEnableSystemTheme(bool enable, wxWindow* window) wxOVERRIDE;
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 index of the column having the given model index.
int GetModelColumnIndex(unsigned int model_column) const;
// return the column displayed at the given position in the control
wxDataViewColumn *GetColumnAt(unsigned int pos) const;
virtual wxDataViewColumn *GetCurrentColumn() const wxOVERRIDE;
virtual void OnInternalIdle() wxOVERRIDE;
private:
virtual wxDataViewItem DoGetCurrentItem() const wxOVERRIDE;
virtual void DoSetCurrentItem(const wxDataViewItem& item) wxOVERRIDE;
void InvalidateColBestWidths();
void InvalidateColBestWidth(int idx);
void UpdateColWidths();
wxDataViewColumnList m_cols;
// cached column best widths information, values are for
// respective columns from m_cols and the arrays have same size
struct CachedColWidthInfo
{
CachedColWidthInfo() : width(0), dirty(true) {}
int width; // cached width or 0 if not computed
bool dirty; // column was invalidated, header needs updating
};
wxVector<CachedColWidthInfo> m_colsBestWidths;
// This indicates that at least one entry in m_colsBestWidths has 'dirty'
// flag set. It's cheaper to check one flag in OnInternalIdle() than to
// iterate over m_colsBestWidths to check if anything needs to be done.
bool m_colsDirty;
wxDataViewModelNotifier *m_notifier;
wxDataViewMainWindow *m_clientArea;
wxDataViewHeaderWindow *m_headerArea;
// user defined color to draw row lines, may be invalid
wxColour m_alternateRowColour;
// columns indices used for sorting, empty if nothing is sorted
wxVector<int> m_sortingColumnIdxs;
// if true, allow sorting by more than one column
bool m_allowMultiColumnSort;
private:
void OnSize( wxSizeEvent &event );
virtual wxSize GetSizeAvailableForScrollTarget(const wxSize& size) wxOVERRIDE;
// 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) wxOVERRIDE;
#endif // __WXMSW__
WX_FORWARD_TO_SCROLL_HELPER()
private:
wxDECLARE_DYNAMIC_CLASS(wxDataViewCtrl);
wxDECLARE_NO_COPY_CLASS(wxDataViewCtrl);
wxDECLARE_EVENT_TABLE();
};
#endif // __GENERICDATAVIEWCTRLH__