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wxWidgets/include/wx/generic/grid.h
Vadim Zeitlin 283b7808d8 added support for readonly cells and 3d border drawing 
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@6094 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
2000-02-16 21:10:45 +00:00

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/////////////////////////////////////////////////////////////////////////////
// Name: grid.h
// Purpose: wxGrid and related classes
// Author: Michael Bedward (based on code by Julian Smart, Robin Dunn)
// Modified by:
// Created: 1/08/1999
// RCS-ID: $Id$
// Copyright: (c) Michael Bedward
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#include "wx/defs.h"
#if !defined(wxUSE_NEW_GRID) || !(wxUSE_NEW_GRID)
#include "gridg.h"
#else
#ifndef __WXGRID_H__
#define __WXGRID_H__
#ifdef __GNUG__
#pragma interface "grid.h"
#endif
#include "wx/panel.h"
#include "wx/scrolwin.h"
#include "wx/string.h"
#include "wx/scrolbar.h"
#include "wx/event.h"
#include "wx/textctrl.h"
#include "wx/combobox.h"
#include "wx/dynarray.h"
#include "wx/timer.h"
// Default parameters for wxGrid
//
#define WXGRID_DEFAULT_NUMBER_ROWS 10
#define WXGRID_DEFAULT_NUMBER_COLS 10
#ifdef __WXMSW__
#define WXGRID_DEFAULT_ROW_HEIGHT 25
#else
#define WXGRID_DEFAULT_ROW_HEIGHT 30
#endif // __WXMSW__
#define WXGRID_DEFAULT_COL_WIDTH 80
#define WXGRID_DEFAULT_COL_LABEL_HEIGHT 32
#define WXGRID_DEFAULT_ROW_LABEL_WIDTH 82
#define WXGRID_LABEL_EDGE_ZONE 5
#define WXGRID_MIN_ROW_HEIGHT 15
#define WXGRID_MIN_COL_WIDTH 15
#define WXGRID_DEFAULT_SCROLLBAR_WIDTH 16
// ----------------------------------------------------------------------------
// forward declarations
// ----------------------------------------------------------------------------
class WXDLLEXPORT wxGrid;
class WXDLLEXPORT wxGridCellAttr;
class WXDLLEXPORT wxGridCellAttrProviderData;
class WXDLLEXPORT wxGridColLabelWindow;
class WXDLLEXPORT wxGridCornerLabelWindow;
class WXDLLEXPORT wxGridRowLabelWindow;
class WXDLLEXPORT wxGridTableBase;
class WXDLLEXPORT wxGridWindow;
// ----------------------------------------------------------------------------
// wxGridCellRenderer: this class is responsible for actually drawing the cell
// in the grid. You may pass it to the wxGridCellAttr (below) to change the
// format of one given cell or to wxGrid::SetDefaultRenderer() to change the
// view of all cells. This is an ABC, you will normally use one of the
// predefined derived classes or derive oyur own class from it.
// ----------------------------------------------------------------------------
class WXDLLEXPORT wxGridCellRenderer
{
public:
// draw the given cell on the provided DC inside the given rectangle
// using the style specified by the attribute and the default or selected
// state corresponding to the isSelected value.
//
// this pure virtual function has a default implementation which will
// prepare the DC using the given attribute: it will draw the rectangle
// with the bg colour from attr and set the text colour and font
virtual void Draw(wxGrid& grid,
wxGridCellAttr& attr,
wxDC& dc,
const wxRect& rect,
int row, int col,
bool isSelected) = 0;
};
// the default renderer for the cells containing string data
class WXDLLEXPORT wxGridCellStringRenderer : public wxGridCellRenderer
{
public:
// draw the string
virtual void Draw(wxGrid& grid,
wxGridCellAttr& attr,
wxDC& dc,
const wxRect& rect,
int row, int col,
bool isSelected);
};
// ----------------------------------------------------------------------------
// wxGridCellEditor: This class is responsible for providing and manipulating
// the in-place edit controls for the grid. Instances of wxGridCellEditor
// (actually, instances of derived classes since it is an ABC) can be
// associated with the cell attributes for individual cells, rows, columns, or
// even for the entire grid.
// ----------------------------------------------------------------------------
class WXDLLEXPORT wxGridCellEditor
{
public:
wxGridCellEditor();
virtual ~wxGridCellEditor();
bool IsCreated() { return m_control != NULL; }
// Creates the actual edit control
virtual void Create(wxWindow* parent,
wxWindowID id,
wxEvtHandler* evtHandler) = 0;
// Size and position the edit control
virtual void SetSize(const wxRect& rect);
// Show or hide the edit control, use the specified attributes to set
// colours/fonts for it
virtual void Show(bool show, wxGridCellAttr *attr = (wxGridCellAttr *)NULL);
// Fetch the value from the table and prepare the edit control
// to begin editing. Set the focus to the edit control.
virtual void BeginEdit(int row, int col, wxGrid* grid) = 0;
// Complete the editing of the current cell. If saveValue is
// true then send the new value back to the table. Returns true
// if the value has changed. If necessary, the control may be
// destroyed.
virtual bool EndEdit(int row, int col, bool saveValue, wxGrid* grid) = 0;
// Reset the value in the control back to its starting value
virtual void Reset() = 0;
// If the editor is enabled by pressing keys on the grid,
// this will be called to let the editor do something about
// that first key if desired.
virtual void StartingKey(wxKeyEvent& event);
// Some types of controls on some platforms may need some help
// with the Return key.
virtual void HandleReturn(wxKeyEvent& event);
// Final cleanup
virtual void Destroy();
protected:
// the control we show on screen
wxControl* m_control;
// if we change the colours/font of the control from the default ones, we
// must restore the default later and we save them here between calls to
// Show(TRUE) and Show(FALSE)
wxColour m_colFgOld,
m_colBgOld;
wxFont m_fontOld;
};
class WXDLLEXPORT wxGridCellTextEditor : public wxGridCellEditor
{
public:
wxGridCellTextEditor();
virtual void Create(wxWindow* parent,
wxWindowID id,
wxEvtHandler* evtHandler);
virtual void BeginEdit(int row, int col, wxGrid* grid);
virtual bool EndEdit(int row, int col, bool saveValue, wxGrid* grid);
virtual void Reset();
virtual void StartingKey(wxKeyEvent& event);
virtual void HandleReturn(wxKeyEvent& event);
private:
wxString m_startValue;
};
// ----------------------------------------------------------------------------
// wxGridCellAttr: this class can be used to alter the cells appearance in
// the grid by changing their colour/font/... from default. An object of this
// class may be returned by wxGridTable::GetAttr().
// ----------------------------------------------------------------------------
class WXDLLEXPORT wxGridCellAttr
{
public:
// ctors
wxGridCellAttr()
{
Init();
SetAlignment(0, 0);
}
// VZ: considering the number of members wxGridCellAttr has now, this ctor
// seems to be pretty useless... may be we should just remove it?
wxGridCellAttr(const wxColour& colText,
const wxColour& colBack,
const wxFont& font,
int hAlign,
int vAlign)
: m_colText(colText), m_colBack(colBack), m_font(font)
{
Init();
SetAlignment(hAlign, vAlign);
}
// default copy ctor ok
// this class is ref counted: it is created with ref count of 1, so
// calling DecRef() once will delete it. Calling IncRef() allows to lock
// it until the matching DecRef() is called
void IncRef() { m_nRef++; }
void DecRef() { if ( !--m_nRef ) delete this; }
void SafeIncRef() { if ( this ) IncRef(); }
void SafeDecRef() { if ( this ) DecRef(); }
// setters
void SetTextColour(const wxColour& colText) { m_colText = colText; }
void SetBackgroundColour(const wxColour& colBack) { m_colBack = colBack; }
void SetFont(const wxFont& font) { m_font = font; }
void SetAlignment(int hAlign, int vAlign)
{
m_hAlign = hAlign;
m_vAlign = vAlign;
}
void SetReadOnly(bool isReadOnly = TRUE) { m_isReadOnly = isReadOnly; }
// takes ownership of the pointer
void SetRenderer(wxGridCellRenderer *renderer)
{ delete m_renderer; m_renderer = renderer; }
void SetEditor(wxGridCellEditor* editor)
{ delete m_editor; m_editor = editor; }
// accessors
bool HasTextColour() const { return m_colText.Ok(); }
bool HasBackgroundColour() const { return m_colBack.Ok(); }
bool HasFont() const { return m_font.Ok(); }
bool HasAlignment() const { return m_hAlign || m_vAlign; }
bool HasRenderer() const { return m_renderer != NULL; }
bool HasEditor() const { return m_editor != NULL; }
const wxColour& GetTextColour() const;
const wxColour& GetBackgroundColour() const;
const wxFont& GetFont() const;
void GetAlignment(int *hAlign, int *vAlign) const;
wxGridCellRenderer *GetRenderer() const;
wxGridCellEditor *GetEditor() const;
bool IsReadOnly() const { return m_isReadOnly; }
void SetDefAttr(wxGridCellAttr* defAttr) { m_defGridAttr = defAttr; }
private:
// the common part of all ctors
void Init()
{
m_nRef = 1;
m_isReadOnly = FALSE;
m_renderer = NULL;
m_editor = NULL;
}
// the dtor is private because only DecRef() can delete us
~wxGridCellAttr() { delete m_renderer; delete m_editor; }
// the ref count - when it goes to 0, we die
size_t m_nRef;
wxColour m_colText,
m_colBack;
wxFont m_font;
int m_hAlign,
m_vAlign;
wxGridCellRenderer* m_renderer;
wxGridCellEditor* m_editor;
wxGridCellAttr* m_defGridAttr;
bool m_isReadOnly;
// suppress the stupid gcc warning about the class having private dtor and
// no friends
friend class wxGridCellAttrDummyFriend;
};
// ----------------------------------------------------------------------------
// wxGridCellAttrProvider: class used by wxGridTableBase to retrieve/store the
// cell attributes.
// ----------------------------------------------------------------------------
// implementation note: we separate it from wxGridTableBase because we wish to
// avoid deriving a new table class if possible, and sometimes it will be
// enough to just derive another wxGridCellAttrProvider instead
//
// the default implementation is reasonably efficient for the generic case,
// but you might still wish to implement your own for some specific situations
// if you have performance problems with the stock one
class WXDLLEXPORT wxGridCellAttrProvider
{
public:
wxGridCellAttrProvider();
virtual ~wxGridCellAttrProvider();
// DecRef() must be called on the returned pointer
virtual wxGridCellAttr *GetAttr(int row, int col) const;
// all these functions take ownership of the pointer, don't call DecRef()
// on it
virtual void SetAttr(wxGridCellAttr *attr, int row, int col);
virtual void SetRowAttr(wxGridCellAttr *attr, int row);
virtual void SetColAttr(wxGridCellAttr *attr, int col);
// these functions must be called whenever some rows/cols are deleted
// because the internal data must be updated then
void UpdateAttrRows( size_t pos, int numRows );
void UpdateAttrCols( size_t pos, int numCols );
private:
void InitData();
wxGridCellAttrProviderData *m_data;
};
//////////////////////////////////////////////////////////////////////
//
// Grid table classes
//
//////////////////////////////////////////////////////////////////////
class WXDLLEXPORT wxGridTableBase : public wxObject
{
public:
wxGridTableBase();
virtual ~wxGridTableBase();
// You must override these functions in a derived table class
//
virtual long GetNumberRows() = 0;
virtual long GetNumberCols() = 0;
virtual wxString GetValue( int row, int col ) = 0;
virtual void SetValue( int row, int col, const wxString& s ) = 0;
virtual bool IsEmptyCell( int row, int col ) = 0;
// Overriding these is optional
//
virtual void SetView( wxGrid *grid ) { m_view = grid; }
virtual wxGrid * GetView() const { return m_view; }
virtual void Clear() {}
virtual bool InsertRows( size_t pos = 0, size_t numRows = 1 );
virtual bool AppendRows( size_t numRows = 1 );
virtual bool DeleteRows( size_t pos = 0, size_t numRows = 1 );
virtual bool InsertCols( size_t pos = 0, size_t numCols = 1 );
virtual bool AppendCols( size_t numCols = 1 );
virtual bool DeleteCols( size_t pos = 0, size_t numCols = 1 );
virtual wxString GetRowLabelValue( int row );
virtual wxString GetColLabelValue( int col );
virtual void SetRowLabelValue( int WXUNUSED(row), const wxString& ) {}
virtual void SetColLabelValue( int WXUNUSED(col), const wxString& ) {}
// Attribute handling
//
// give us the attr provider to use - we take ownership of the pointer
void SetAttrProvider(wxGridCellAttrProvider *attrProvider);
// get the currently used attr provider (may be NULL)
wxGridCellAttrProvider *GetAttrProvider() const { return m_attrProvider; }
// change row/col number in attribute if needed
void UpdateAttrRows( size_t pos, int numRows );
void UpdateAttrCols( size_t pos, int numCols );
// by default forwarded to wxGridCellAttrProvider if any. May be
// overridden to handle attributes directly in this class.
virtual wxGridCellAttr *GetAttr( int row, int col );
// these functions take ownership of the pointer
virtual void SetAttr(wxGridCellAttr* attr, int row, int col);
virtual void SetRowAttr(wxGridCellAttr *attr, int row);
virtual void SetColAttr(wxGridCellAttr *attr, int col);
private:
wxGrid * m_view;
wxGridCellAttrProvider *m_attrProvider;
DECLARE_ABSTRACT_CLASS( wxGridTableBase );
};
// ----------------------------------------------------------------------------
// wxGridTableMessage
// ----------------------------------------------------------------------------
// IDs for messages sent from grid table to view
//
enum wxGridTableRequest
{
wxGRIDTABLE_REQUEST_VIEW_GET_VALUES = 2000,
wxGRIDTABLE_REQUEST_VIEW_SEND_VALUES,
wxGRIDTABLE_NOTIFY_ROWS_INSERTED,
wxGRIDTABLE_NOTIFY_ROWS_APPENDED,
wxGRIDTABLE_NOTIFY_ROWS_DELETED,
wxGRIDTABLE_NOTIFY_COLS_INSERTED,
wxGRIDTABLE_NOTIFY_COLS_APPENDED,
wxGRIDTABLE_NOTIFY_COLS_DELETED
};
class WXDLLEXPORT wxGridTableMessage
{
public:
wxGridTableMessage();
wxGridTableMessage( wxGridTableBase *table, int id,
int comInt1 = -1,
int comInt2 = -1 );
void SetTableObject( wxGridTableBase *table ) { m_table = table; }
wxGridTableBase * GetTableObject() const { return m_table; }
void SetId( int id ) { m_id = id; }
int GetId() { return m_id; }
void SetCommandInt( int comInt1 ) { m_comInt1 = comInt1; }
int GetCommandInt() { return m_comInt1; }
void SetCommandInt2( int comInt2 ) { m_comInt2 = comInt2; }
int GetCommandInt2() { return m_comInt2; }
private:
wxGridTableBase *m_table;
int m_id;
int m_comInt1;
int m_comInt2;
};
// ------ wxGridStringArray
// A 2-dimensional array of strings for data values
//
WX_DECLARE_EXPORTED_OBJARRAY(wxArrayString, wxGridStringArray);
// ------ wxGridStringTable
//
// Simplest type of data table for a grid for small tables of strings
// that are stored in memory
//
class WXDLLEXPORT wxGridStringTable : public wxGridTableBase
{
public:
wxGridStringTable();
wxGridStringTable( int numRows, int numCols );
~wxGridStringTable();
// these are pure virtual in wxGridTableBase
//
long GetNumberRows();
long GetNumberCols();
wxString GetValue( int row, int col );
void SetValue( int row, int col, const wxString& s );
bool IsEmptyCell( int row, int col );
// overridden functions from wxGridTableBase
//
void Clear();
bool InsertRows( size_t pos = 0, size_t numRows = 1 );
bool AppendRows( size_t numRows = 1 );
bool DeleteRows( size_t pos = 0, size_t numRows = 1 );
bool InsertCols( size_t pos = 0, size_t numCols = 1 );
bool AppendCols( size_t numCols = 1 );
bool DeleteCols( size_t pos = 0, size_t numCols = 1 );
void SetRowLabelValue( int row, const wxString& );
void SetColLabelValue( int col, const wxString& );
wxString GetRowLabelValue( int row );
wxString GetColLabelValue( int col );
private:
wxGridStringArray m_data;
// These only get used if you set your own labels, otherwise the
// GetRow/ColLabelValue functions return wxGridTableBase defaults
//
wxArrayString m_rowLabels;
wxArrayString m_colLabels;
DECLARE_DYNAMIC_CLASS( wxGridStringTable )
};
//////////////////////////////////////////////////////////////////////
//
// Grid view classes
//
//////////////////////////////////////////////////////////////////////
class WXDLLEXPORT wxGridCellCoords
{
public:
wxGridCellCoords() { m_row = m_col = -1; }
wxGridCellCoords( int r, int c ) { m_row = r; m_col = c; }
// default copy ctor is ok
long GetRow() const { return m_row; }
void SetRow( long n ) { m_row = n; }
long GetCol() const { return m_col; }
void SetCol( long n ) { m_col = n; }
void Set( long row, long col ) { m_row = row; m_col = col; }
wxGridCellCoords& operator=( const wxGridCellCoords& other )
{
if ( &other != this )
{
m_row=other.m_row;
m_col=other.m_col;
}
return *this;
}
bool operator==( const wxGridCellCoords& other )
{
return (m_row == other.m_row && m_col == other.m_col);
}
bool operator!=( const wxGridCellCoords& other )
{
return (m_row != other.m_row || m_col != other.m_col);
}
bool operator!()
{
return (m_row == -1 && m_col == -1 );
}
private:
long m_row;
long m_col;
};
// For comparisons...
//
extern wxGridCellCoords wxGridNoCellCoords;
extern wxRect wxGridNoCellRect;
// An array of cell coords...
//
WX_DECLARE_EXPORTED_OBJARRAY(wxGridCellCoords, wxGridCellCoordsArray);
// ----------------------------------------------------------------------------
// wxGrid
// ----------------------------------------------------------------------------
class WXDLLEXPORT wxGrid : public wxScrolledWindow
{
public:
wxGrid()
{
Create();
}
wxGrid( wxWindow *parent,
wxWindowID id,
const wxPoint& pos = wxDefaultPosition,
const wxSize& size = wxDefaultSize,
long style = 0,
const wxString& name = wxPanelNameStr );
~wxGrid();
bool CreateGrid( int numRows, int numCols );
// ------ grid dimensions
//
int GetNumberRows() { return m_numRows; }
int GetNumberCols() { return m_numCols; }
// ------ display update functions
//
void CalcRowLabelsExposed( wxRegion& reg );
void CalcColLabelsExposed( wxRegion& reg );
void CalcCellsExposed( wxRegion& reg );
// ------ event handlers
//
void ProcessRowLabelMouseEvent( wxMouseEvent& event );
void ProcessColLabelMouseEvent( wxMouseEvent& event );
void ProcessCornerLabelMouseEvent( wxMouseEvent& event );
void ProcessGridCellMouseEvent( wxMouseEvent& event );
bool ProcessTableMessage( wxGridTableMessage& );
void DoEndDragResizeRow();
void DoEndDragResizeCol();
wxGridTableBase * GetTable() const { return m_table; }
bool SetTable( wxGridTableBase *table, bool takeOwnership=FALSE );
void ClearGrid();
bool InsertRows( int pos = 0, int numRows = 1, bool updateLabels=TRUE );
bool AppendRows( int numRows = 1, bool updateLabels=TRUE );
bool DeleteRows( int pos = 0, int numRows = 1, bool updateLabels=TRUE );
bool InsertCols( int pos = 0, int numCols = 1, bool updateLabels=TRUE );
bool AppendCols( int numCols = 1, bool updateLabels=TRUE );
bool DeleteCols( int pos = 0, int numCols = 1, bool updateLabels=TRUE );
void DrawGridCellArea( wxDC& dc );
void DrawCellBorder( wxDC& dc, const wxGridCellCoords& );
void DrawAllGridLines( wxDC& dc, const wxRegion & reg );
void DrawCell( wxDC& dc, const wxGridCellCoords& );
void DrawCellHighlight( wxDC& dc, const wxGridCellAttr *attr );
void DrawRowLabels( wxDC& dc );
void DrawRowLabel( wxDC& dc, int row );
void DrawColLabels( wxDC& dc );
void DrawColLabel( wxDC& dc, int col );
// ------ Cell text drawing functions
//
void DrawTextRectangle( wxDC& dc, const wxString&, const wxRect&,
int horizontalAlignment = wxLEFT,
int verticalAlignment = wxTOP );
// Split a string containing newline chararcters into an array of
// strings and return the number of lines
//
void StringToLines( const wxString& value, wxArrayString& lines );
void GetTextBoxSize( wxDC& dc,
wxArrayString& lines,
long *width, long *height );
// ------
// Code that does a lot of grid modification can be enclosed
// between BeginBatch() and EndBatch() calls to avoid screen
// flicker
//
void BeginBatch() { m_batchCount++; }
void EndBatch() { if ( m_batchCount > 0 ) m_batchCount--; }
int GetBatchCount() { return m_batchCount; }
// ------ edit control functions
//
bool IsEditable() { return m_editable; }
void EnableEditing( bool edit );
void EnableCellEditControl( bool enable );
bool IsCellEditControlEnabled();
void ShowCellEditControl();
void HideCellEditControl();
void SetEditControlValue( const wxString& s = wxEmptyString );
void SaveEditControlValue();
// ------ grid location functions
// Note that all of these functions work with the logical coordinates of
// grid cells and labels so you will need to convert from device
// coordinates for mouse events etc.
//
void XYToCell( int x, int y, wxGridCellCoords& );
int YToRow( int y );
int XToCol( int x );
int YToEdgeOfRow( int y );
int XToEdgeOfCol( int x );
wxRect CellToRect( int row, int col );
wxRect CellToRect( const wxGridCellCoords& coords )
{ return CellToRect( coords.GetRow(), coords.GetCol() ); }
int GetGridCursorRow() { return m_currentCellCoords.GetRow(); }
int GetGridCursorCol() { return m_currentCellCoords.GetCol(); }
// check to see if a cell is either wholly visible (the default arg) or
// at least partially visible in the grid window
//
bool IsVisible( int row, int col, bool wholeCellVisible = TRUE );
bool IsVisible( const wxGridCellCoords& coords, bool wholeCellVisible = TRUE )
{ return IsVisible( coords.GetRow(), coords.GetCol(), wholeCellVisible ); }
void MakeCellVisible( int row, int col );
void MakeCellVisible( const wxGridCellCoords& coords )
{ MakeCellVisible( coords.GetRow(), coords.GetCol() ); }
// ------ grid cursor movement functions
//
void SetGridCursor( int row, int col )
{ SetCurrentCell( wxGridCellCoords(row, col) ); }
bool MoveCursorUp();
bool MoveCursorDown();
bool MoveCursorLeft();
bool MoveCursorRight();
bool MovePageDown();
bool MovePageUp();
bool MoveCursorUpBlock();
bool MoveCursorDownBlock();
bool MoveCursorLeftBlock();
bool MoveCursorRightBlock();
// ------ label and gridline formatting
//
int GetDefaultRowLabelSize() { return WXGRID_DEFAULT_ROW_LABEL_WIDTH; }
int GetRowLabelSize() { return m_rowLabelWidth; }
int GetDefaultColLabelSize() { return WXGRID_DEFAULT_COL_LABEL_HEIGHT; }
int GetColLabelSize() { return m_colLabelHeight; }
wxColour GetLabelBackgroundColour() { return m_labelBackgroundColour; }
wxColour GetLabelTextColour() { return m_labelTextColour; }
wxFont GetLabelFont() { return m_labelFont; }
void GetRowLabelAlignment( int *horiz, int *vert );
void GetColLabelAlignment( int *horiz, int *vert );
wxString GetRowLabelValue( int row );
wxString GetColLabelValue( int col );
wxColour GetGridLineColour() { return m_gridLineColour; }
void SetRowLabelSize( int width );
void SetColLabelSize( int height );
void SetLabelBackgroundColour( const wxColour& );
void SetLabelTextColour( const wxColour& );
void SetLabelFont( const wxFont& );
void SetRowLabelAlignment( int horiz, int vert );
void SetColLabelAlignment( int horiz, int vert );
void SetRowLabelValue( int row, const wxString& );
void SetColLabelValue( int col, const wxString& );
void SetGridLineColour( const wxColour& );
// this sets the specified attribute for all cells in this row/col
void SetRowAttr(int row, wxGridCellAttr *attr);
void SetColAttr(int col, wxGridCellAttr *attr);
void EnableGridLines( bool enable = TRUE );
bool GridLinesEnabled() { return m_gridLinesEnabled; }
// ------ row and col formatting
//
int GetDefaultRowSize();
int GetRowSize( int row );
int GetDefaultColSize();
int GetColSize( int col );
wxColour GetDefaultCellBackgroundColour();
wxColour GetCellBackgroundColour( int row, int col );
wxColour GetDefaultCellTextColour();
wxColour GetCellTextColour( int row, int col );
wxFont GetDefaultCellFont();
wxFont GetCellFont( int row, int col );
void GetDefaultCellAlignment( int *horiz, int *vert );
void GetCellAlignment( int row, int col, int *horiz, int *vert );
void SetDefaultRowSize( int height, bool resizeExistingRows = FALSE );
void SetRowSize( int row, int height );
void SetDefaultColSize( int width, bool resizeExistingCols = FALSE );
void SetColSize( int col, int width );
void SetDefaultCellBackgroundColour( const wxColour& );
void SetCellBackgroundColour( int row, int col, const wxColour& );
void SetDefaultCellTextColour( const wxColour& );
void SetCellTextColour( int row, int col, const wxColour& );
void SetDefaultCellFont( const wxFont& );
void SetCellFont( int row, int col, const wxFont& );
void SetDefaultCellAlignment( int horiz, int vert );
void SetCellAlignment( int row, int col, int horiz, int vert );
// takes ownership of the pointer
void SetDefaultRenderer(wxGridCellRenderer *renderer);
void SetCellRenderer(int row, int col, wxGridCellRenderer *renderer);
wxGridCellRenderer *GetDefaultRenderer() const;
wxGridCellRenderer* GetCellRenderer(int row, int col);
// takes ownership of the pointer
void SetDefaultEditor(wxGridCellEditor *editor);
void SetCellEditor(int row, int col, wxGridCellEditor *editor);
wxGridCellEditor *GetDefaultEditor() const;
wxGridCellEditor* GetCellEditor(int row, int col);
// ------ cell value accessors
//
wxString GetCellValue( int row, int col )
{
if ( m_table )
{
return m_table->GetValue( row, col );
}
else
{
return wxEmptyString;
}
}
wxString GetCellValue( const wxGridCellCoords& coords )
{ return GetCellValue( coords.GetRow(), coords.GetCol() ); }
void SetCellValue( int row, int col, const wxString& s );
void SetCellValue( const wxGridCellCoords& coords, const wxString& s )
{ SetCellValue( coords.GetRow(), coords.GetCol(), s ); }
// returns TRUE if the cell can't be edited
bool IsReadOnly(int row, int col) const;
// make the cell editable/readonly
void SetReadOnly(int row, int col, bool isReadOnly = TRUE);
// ------ selections of blocks of cells
//
void SelectRow( int row, bool addToSelected = FALSE );
void SelectCol( int col, bool addToSelected = FALSE );
void SelectBlock( int topRow, int leftCol, int bottomRow, int rightCol );
void SelectBlock( const wxGridCellCoords& topLeft,
const wxGridCellCoords& bottomRight )
{ SelectBlock( topLeft.GetRow(), topLeft.GetCol(),
bottomRight.GetRow(), bottomRight.GetCol() ); }
void SelectAll();
bool IsSelection()
{ return ( m_selectedTopLeft != wxGridNoCellCoords &&
m_selectedBottomRight != wxGridNoCellCoords );
}
void ClearSelection();
bool IsInSelection( int row, int col )
{ return ( IsSelection() &&
row >= m_selectedTopLeft.GetRow() &&
col >= m_selectedTopLeft.GetCol() &&
row <= m_selectedBottomRight.GetRow() &&
col <= m_selectedBottomRight.GetCol() );
}
bool IsInSelection( const wxGridCellCoords& coords )
{ return IsInSelection( coords.GetRow(), coords.GetCol() ); }
void GetSelection( int* topRow, int* leftCol, int* bottomRow, int* rightCol )
{
// these will all be -1 if there is no selected block
//
*topRow = m_selectedTopLeft.GetRow();
*leftCol = m_selectedTopLeft.GetCol();
*bottomRow = m_selectedBottomRight.GetRow();
*rightCol = m_selectedBottomRight.GetCol();
}
// This function returns the rectangle that encloses the block of cells
// limited by TopLeft and BottomRight cell in device coords and clipped
// to the client size of the grid window.
//
wxRect BlockToDeviceRect( const wxGridCellCoords & topLeft,
const wxGridCellCoords & bottomRight );
// This function returns the rectangle that encloses the selected cells
// in device coords and clipped to the client size of the grid window.
//
wxRect SelectionToDeviceRect()
{
return BlockToDeviceRect( m_selectedTopLeft,
m_selectedBottomRight );
}
// Access or update the selection fore/back colours
wxColour GetSelectionBackground() const
{ return m_selectionBackground; }
wxColour GetSelectionForeground() const
{ return m_selectionForeground; }
void SetSelectionBackground(const wxColour& c) { m_selectionBackground = c; }
void SetSelectionForeground(const wxColour& c) { m_selectionForeground = c; }
// ------ For compatibility with previous wxGrid only...
//
// ************************************************
// ** Don't use these in new code because they **
// ** are liable to disappear in a future **
// ** revision **
// ************************************************
//
wxGrid( wxWindow *parent,
int x = -1, int y = -1, int w = -1, int h = -1,
long style = 0,
const wxString& name = wxPanelNameStr )
: wxScrolledWindow( parent, -1, wxPoint(x,y), wxSize(w,h), style, name )
{
Create();
}
void SetCellValue( const wxString& val, int row, int col )
{ SetCellValue( row, col, val ); }
void UpdateDimensions()
{ CalcDimensions(); }
int GetRows() { return GetNumberRows(); }
int GetCols() { return GetNumberCols(); }
int GetCursorRow() { return GetGridCursorRow(); }
int GetCursorColumn() { return GetGridCursorCol(); }
int GetScrollPosX() { return 0; }
int GetScrollPosY() { return 0; }
void SetScrollX( int x ) { }
void SetScrollY( int y ) { }
void SetColumnWidth( int col, int width )
{ SetColSize( col, width ); }
int GetColumnWidth( int col )
{ return GetColSize( col ); }
void SetRowHeight( int row, int height )
{ SetRowSize( row, height ); }
int GetRowHeight( int row )
{ return GetRowSize( row ); }
int GetViewHeight() // returned num whole rows visible
{ return 0; }
int GetViewWidth() // returned num whole cols visible
{ return 0; }
void SetLabelSize( int orientation, int sz )
{
if ( orientation == wxHORIZONTAL )
SetColLabelSize( sz );
else
SetRowLabelSize( sz );
}
int GetLabelSize( int orientation )
{
if ( orientation == wxHORIZONTAL )
return GetColLabelSize();
else
return GetRowLabelSize();
}
void SetLabelAlignment( int orientation, int align )
{
if ( orientation == wxHORIZONTAL )
SetColLabelAlignment( align, -1 );
else
SetRowLabelAlignment( align, -1 );
}
int GetLabelAlignment( int orientation, int WXUNUSED(align) )
{
int h, v;
if ( orientation == wxHORIZONTAL )
{
GetColLabelAlignment( &h, &v );
return h;
}
else
{
GetRowLabelAlignment( &h, &v );
return h;
}
}
void SetLabelValue( int orientation, const wxString& val, int pos )
{
if ( orientation == wxHORIZONTAL )
SetColLabelValue( pos, val );
else
SetRowLabelValue( pos, val );
}
wxString GetLabelValue( int orientation, int pos)
{
if ( orientation == wxHORIZONTAL )
return GetColLabelValue( pos );
else
return GetRowLabelValue( pos );
}
wxFont GetCellTextFont() const
{ return m_defaultCellAttr->GetFont(); }
wxFont GetCellTextFont(int WXUNUSED(row), int WXUNUSED(col)) const
{ return m_defaultCellAttr->GetFont(); }
void SetCellTextFont(const wxFont& fnt)
{ SetDefaultCellFont( fnt ); }
void SetCellTextFont(const wxFont& fnt, int row, int col)
{ SetCellFont( row, col, fnt ); }
void SetCellTextColour(const wxColour& val, int row, int col)
{ SetCellTextColour( row, col, val ); }
void SetCellTextColour(const wxColour& col)
{ SetDefaultCellTextColour( col ); }
void SetCellBackgroundColour(const wxColour& col)
{ SetDefaultCellBackgroundColour( col ); }
void SetCellBackgroundColour(const wxColour& colour, int row, int col)
{ SetCellBackgroundColour( row, col, colour ); }
bool GetEditable() { return IsEditable(); }
void SetEditable( bool edit = TRUE ) { EnableEditing( edit ); }
bool GetEditInPlace() { return IsCellEditControlEnabled(); }
void SetEditInPlace(bool edit = TRUE) { }
void SetCellAlignment( int align, int row, int col)
{ SetCellAlignment(row, col, align, wxCENTER); }
void SetCellAlignment( int WXUNUSED(align) ) {}
void SetCellBitmap(wxBitmap *WXUNUSED(bitmap), int WXUNUSED(row), int WXUNUSED(col))
{ }
void SetDividerPen(const wxPen& WXUNUSED(pen)) { }
wxPen& GetDividerPen() const { return wxNullPen; }
void OnActivate(bool WXUNUSED(active)) {}
// ******** End of compatibility functions **********
// ------ control IDs
enum { wxGRID_CELLCTRL = 2000,
wxGRID_TOPCTRL };
// ------ control types
enum { wxGRID_TEXTCTRL = 2100,
wxGRID_CHECKBOX,
wxGRID_CHOICE,
wxGRID_COMBOBOX };
protected:
bool m_created;
bool m_displayed;
wxGridWindow *m_gridWin;
wxGridRowLabelWindow *m_rowLabelWin;
wxGridColLabelWindow *m_colLabelWin;
wxGridCornerLabelWindow *m_cornerLabelWin;
wxGridTableBase *m_table;
bool m_ownTable;
int m_left;
int m_top;
int m_right;
int m_bottom;
int m_numRows;
int m_numCols;
wxGridCellCoords m_currentCellCoords;
wxGridCellCoords m_selectedTopLeft;
wxGridCellCoords m_selectedBottomRight;
wxColour m_selectionBackground;
wxColour m_selectionForeground;
int m_defaultRowHeight;
wxArrayInt m_rowHeights;
wxArrayInt m_rowBottoms;
int m_defaultColWidth;
wxArrayInt m_colWidths;
wxArrayInt m_colRights;
int m_rowLabelWidth;
int m_colLabelHeight;
wxColour m_labelBackgroundColour;
wxColour m_labelTextColour;
wxFont m_labelFont;
int m_rowLabelHorizAlign;
int m_rowLabelVertAlign;
int m_colLabelHorizAlign;
int m_colLabelVertAlign;
bool m_defaultRowLabelValues;
bool m_defaultColLabelValues;
wxColour m_gridLineColour;
bool m_gridLinesEnabled;
// do we have some place to store attributes in?
bool CanHaveAttributes();
// returns the attribute we may modify in place: a new one if this cell
// doesn't have any yet or the existing one if it does
//
// DecRef() must be called on the returned pointer, as usual
wxGridCellAttr *GetOrCreateCellAttr(int row, int col) const;
// cell attribute cache (currently we only cache 1, may be will do
// more/better later)
struct CachedAttr
{
int row, col;
wxGridCellAttr *attr;
} m_attrCache;
// invalidates the attribute cache
void ClearAttrCache();
// adds an attribute to cache
void CacheAttr(int row, int col, wxGridCellAttr *attr) const;
// looks for an attr in cache, returns TRUE if found
bool LookupAttr(int row, int col, wxGridCellAttr **attr) const;
// looks for the attr in cache, if not found asks the table and caches the
// result
wxGridCellAttr *GetCellAttr(int row, int col) const;
wxGridCellAttr *GetCellAttr(const wxGridCellCoords& coords )
{ return GetCellAttr( coords.GetRow(), coords.GetCol() ); }
// the default cell attr object for cells that don't have their own
wxGridCellAttr* m_defaultCellAttr;
wxGridCellCoordsArray m_cellsExposed;
wxArrayInt m_rowsExposed;
wxArrayInt m_colsExposed;
wxArrayInt m_rowLabelsExposed;
wxArrayInt m_colLabelsExposed;
bool m_inOnKeyDown;
int m_batchCount;
enum CursorMode
{
WXGRID_CURSOR_SELECT_CELL,
WXGRID_CURSOR_RESIZE_ROW,
WXGRID_CURSOR_RESIZE_COL,
WXGRID_CURSOR_SELECT_ROW,
WXGRID_CURSOR_SELECT_COL
};
// this method not only sets m_cursorMode but also sets the correct cursor
// for the given mode and, if captureMouse is not FALSE releases the mouse
// if it was captured and captures it if it must be captured
//
// for this to work, you should always use it and not set m_cursorMode
// directly!
void ChangeCursorMode(CursorMode mode,
wxWindow *win = (wxWindow *)NULL,
bool captureMouse = TRUE);
wxWindow *m_winCapture; // the window which captured the mouse
CursorMode m_cursorMode;
int m_dragLastPos;
int m_dragRowOrCol;
bool m_isDragging;
wxPoint m_startDragPos;
bool m_waitForSlowClick;
wxGridCellCoords m_selectionStart;
wxCursor m_rowResizeCursor;
wxCursor m_colResizeCursor;
bool m_editable; // applies to whole grid
bool m_cellEditCtrlEnabled;
void Create();
void Init();
void CalcDimensions();
void CalcWindowSizes();
bool Redimension( wxGridTableMessage& );
bool SendEvent( const wxEventType,
int row, int col,
wxMouseEvent& );
bool SendEvent( const wxEventType,
int row, int col );
void OnPaint( wxPaintEvent& );
void OnSize( wxSizeEvent& );
void OnKeyDown( wxKeyEvent& );
void OnEraseBackground( wxEraseEvent& );
void SetCurrentCell( const wxGridCellCoords& coords );
void SetCurrentCell( int row, int col )
{ SetCurrentCell( wxGridCellCoords(row, col) ); }
// ------ functions to get/send data (see also public functions)
//
bool GetModelValues();
bool SetModelValues();
DECLARE_DYNAMIC_CLASS( wxGrid )
DECLARE_EVENT_TABLE()
};
//
// ------ Grid event class and event types
//
class WXDLLEXPORT wxGridEvent : public wxNotifyEvent
{
public:
wxGridEvent()
: wxNotifyEvent(), m_row(-1), m_col(-1), m_x(-1), m_y(-1),
m_control(0), m_meta(0), m_shift(0), m_alt(0)
{
}
wxGridEvent(int id, wxEventType type, wxObject* obj,
int row=-1, int col=-1, int x=-1, int y=-1,
bool control=FALSE, bool shift=FALSE, bool alt=FALSE, bool meta=FALSE);
virtual int GetRow() { return m_row; }
virtual int GetCol() { return m_col; }
wxPoint GetPosition() { return wxPoint( m_x, m_y ); }
bool ControlDown() { return m_control; }
bool MetaDown() { return m_meta; }
bool ShiftDown() { return m_shift; }
bool AltDown() { return m_alt; }
protected:
int m_row;
int m_col;
int m_x;
int m_y;
bool m_control;
bool m_meta;
bool m_shift;
bool m_alt;
DECLARE_DYNAMIC_CLASS(wxGridEvent)
};
class WXDLLEXPORT wxGridSizeEvent : public wxNotifyEvent
{
public:
wxGridSizeEvent()
: wxNotifyEvent(), m_rowOrCol(-1), m_x(-1), m_y(-1),
m_control(0), m_meta(0), m_shift(0), m_alt(0)
{
}
wxGridSizeEvent(int id, wxEventType type, wxObject* obj,
int rowOrCol=-1, int x=-1, int y=-1,
bool control=FALSE, bool shift=FALSE, bool alt=FALSE, bool meta=FALSE);
int GetRowOrCol() { return m_rowOrCol; }
wxPoint GetPosition() { return wxPoint( m_x, m_y ); }
bool ControlDown() { return m_control; }
bool MetaDown() { return m_meta; }
bool ShiftDown() { return m_shift; }
bool AltDown() { return m_alt; }
protected:
int m_rowOrCol;
int m_x;
int m_y;
bool m_control;
bool m_meta;
bool m_shift;
bool m_alt;
DECLARE_DYNAMIC_CLASS(wxGridSizeEvent)
};
class WXDLLEXPORT wxGridRangeSelectEvent : public wxNotifyEvent
{
public:
wxGridRangeSelectEvent()
: wxNotifyEvent()
{
m_topLeft = wxGridNoCellCoords;
m_bottomRight = wxGridNoCellCoords;
m_control = FALSE;
m_meta = FALSE;
m_shift = FALSE;
m_alt = FALSE;
}
wxGridRangeSelectEvent(int id, wxEventType type, wxObject* obj,
const wxGridCellCoords& topLeft,
const wxGridCellCoords& bottomRight,
bool control=FALSE, bool shift=FALSE,
bool alt=FALSE, bool meta=FALSE);
wxGridCellCoords GetTopLeftCoords() { return m_topLeft; }
wxGridCellCoords GetBottomRightCoords() { return m_bottomRight; }
int GetTopRow() { return m_topLeft.GetRow(); }
int GetBottomRow() { return m_bottomRight.GetRow(); }
int GetLeftCol() { return m_topLeft.GetCol(); }
int GetRightCol() { return m_bottomRight.GetCol(); }
bool ControlDown() { return m_control; }
bool MetaDown() { return m_meta; }
bool ShiftDown() { return m_shift; }
bool AltDown() { return m_alt; }
protected:
wxGridCellCoords m_topLeft;
wxGridCellCoords m_bottomRight;
bool m_control;
bool m_meta;
bool m_shift;
bool m_alt;
DECLARE_DYNAMIC_CLASS(wxGridRangeSelectEvent)
};
const wxEventType EVT_GRID_CELL_LEFT_CLICK = wxEVT_FIRST + 1580;
const wxEventType EVT_GRID_CELL_RIGHT_CLICK = wxEVT_FIRST + 1581;
const wxEventType EVT_GRID_CELL_LEFT_DCLICK = wxEVT_FIRST + 1582;
const wxEventType EVT_GRID_CELL_RIGHT_DCLICK = wxEVT_FIRST + 1583;
const wxEventType EVT_GRID_LABEL_LEFT_CLICK = wxEVT_FIRST + 1584;
const wxEventType EVT_GRID_LABEL_RIGHT_CLICK = wxEVT_FIRST + 1585;
const wxEventType EVT_GRID_LABEL_LEFT_DCLICK = wxEVT_FIRST + 1586;
const wxEventType EVT_GRID_LABEL_RIGHT_DCLICK = wxEVT_FIRST + 1587;
const wxEventType EVT_GRID_ROW_SIZE = wxEVT_FIRST + 1588;
const wxEventType EVT_GRID_COL_SIZE = wxEVT_FIRST + 1589;
const wxEventType EVT_GRID_RANGE_SELECT = wxEVT_FIRST + 1590;
const wxEventType EVT_GRID_CELL_CHANGE = wxEVT_FIRST + 1591;
const wxEventType EVT_GRID_SELECT_CELL = wxEVT_FIRST + 1592;
typedef void (wxEvtHandler::*wxGridEventFunction)(wxGridEvent&);
typedef void (wxEvtHandler::*wxGridSizeEventFunction)(wxGridSizeEvent&);
typedef void (wxEvtHandler::*wxGridRangeSelectEventFunction)(wxGridRangeSelectEvent&);
#define EVT_GRID_CELL_LEFT_CLICK(fn) { EVT_GRID_CELL_LEFT_CLICK, -1, -1, (wxObjectEventFunction) (wxEventFunction) (wxGridEventFunction) &fn, NULL },
#define EVT_GRID_CELL_RIGHT_CLICK(fn) { EVT_GRID_CELL_RIGHT_CLICK, -1, -1, (wxObjectEventFunction) (wxEventFunction) (wxGridEventFunction) &fn, NULL },
#define EVT_GRID_CELL_LEFT_DCLICK(fn) { EVT_GRID_CELL_LEFT_DCLICK, -1, -1, (wxObjectEventFunction) (wxEventFunction) (wxGridEventFunction) &fn, NULL },
#define EVT_GRID_CELL_RIGHT_DCLICK(fn) { EVT_GRID_CELL_RIGHT_DCLICK, -1, -1, (wxObjectEventFunction) (wxEventFunction) (wxGridEventFunction) &fn, NULL },
#define EVT_GRID_LABEL_LEFT_CLICK(fn) { EVT_GRID_LABEL_LEFT_CLICK, -1, -1, (wxObjectEventFunction) (wxEventFunction) (wxGridEventFunction) &fn, NULL },
#define EVT_GRID_LABEL_RIGHT_CLICK(fn) { EVT_GRID_LABEL_RIGHT_CLICK, -1, -1, (wxObjectEventFunction) (wxEventFunction) (wxGridEventFunction) &fn, NULL },
#define EVT_GRID_LABEL_LEFT_DCLICK(fn) { EVT_GRID_LABEL_LEFT_DCLICK, -1, -1, (wxObjectEventFunction) (wxEventFunction) (wxGridEventFunction) &fn, NULL },
#define EVT_GRID_LABEL_RIGHT_DCLICK(fn) { EVT_GRID_LABEL_RIGHT_DCLICK, -1, -1, (wxObjectEventFunction) (wxEventFunction) (wxGridEventFunction) &fn, NULL },
#define EVT_GRID_ROW_SIZE(fn) { EVT_GRID_ROW_SIZE, -1, -1, (wxObjectEventFunction) (wxEventFunction) (wxGridSizeEventFunction) &fn, NULL },
#define EVT_GRID_COL_SIZE(fn) { EVT_GRID_COL_SIZE, -1, -1, (wxObjectEventFunction) (wxEventFunction) (wxGridSizeEventFunction) &fn, NULL },
#define EVT_GRID_RANGE_SELECT(fn) { EVT_GRID_RANGE_SELECT, -1, -1, (wxObjectEventFunction) (wxEventFunction) (wxGridRangeSelectEventFunction) &fn, NULL },
#define EVT_GRID_CELL_CHANGE(fn) { EVT_GRID_CELL_CHANGE, -1, -1, (wxObjectEventFunction) (wxEventFunction) (wxGridEventFunction) &fn, NULL },
#define EVT_GRID_SELECT_CELL(fn) { EVT_GRID_SELECT_CELL, -1, -1, (wxObjectEventFunction) (wxEventFunction) (wxGridEventFunction) &fn, NULL },
#if 0 // TODO: implement these ? others ?
const wxEventType EVT_GRID_CREATE_CELL = wxEVT_FIRST + 1576;
const wxEventType EVT_GRID_CHANGE_LABELS = wxEVT_FIRST + 1577;
const wxEventType EVT_GRID_CHANGE_SEL_LABEL = wxEVT_FIRST + 1578;
#define EVT_GRID_CREATE_CELL(fn) { EVT_GRID_CREATE_CELL, -1, -1, (wxObjectEventFunction) (wxEventFunction) (wxGridEventFunction) &fn, NULL },
#define EVT_GRID_CHANGE_LABELS(fn) { EVT_GRID_CHANGE_LABELS, -1, -1, (wxObjectEventFunction) (wxEventFunction) (wxGridEventFunction) &fn, NULL },
#define EVT_GRID_CHANGE_SEL_LABEL(fn) { EVT_GRID_CHANGE_SEL_LABEL, -1, -1, (wxObjectEventFunction) (wxEventFunction) (wxGridEventFunction) &fn, NULL },
#endif
#endif // #ifndef __WXGRID_H__
#endif // ifndef wxUSE_NEW_GRID
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