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wxGridCellAttr Class Reference
Class List by Category » Grid Related Classes

`#include <wx/grid.h>`

Inheritance diagram for wxGridCellAttr:
[legend]

## Detailed Description

This class can be used to alter the cells' appearance in the grid by changing their attributes from the defaults.

An object of this class may be returned by wxGridTableBase::GetAttr().

##

Library: wxAdvanced
Category: Grid Related Classes

## Public Types

enum | wxAttrKind { Any, Cell, Row, Col, Default, Merged }
| Kind of the attribute to retrieve. More...

## Public Member Functions

| wxGridCellAttr (wxGridCellAttr *attrDefault=NULL)
| Default constructor. More...
| wxGridCellAttr (const wxColour &colText, const wxColour &colBack, const wxFont &font, int hAlign, int vAlign)
| Constructor specifying some of the often used attributes. More...
wxGridCellAttr * | Clone () const
| Creates a new copy of this object. More...
void | DecRef ()
| This class is reference counted: it is created with ref count of 1, so calling DecRef() once will delete it. More...
void | GetAlignment (int *hAlign, int *vAlign) const
| Get the alignment to use for the cell with the given attribute. More...
const wxColour & | GetBackgroundColour () const
| Returns the background colour. More...
wxGridCellEditor * | GetEditor (const wxGrid *grid, int row, int col) const
| Returns the cell editor. More...
const wxFont & | GetFont () const
| Returns the font. More...
void | GetNonDefaultAlignment (int *hAlign, int *vAlign) const
| Get the alignment defined by this attribute. More...
wxGridCellRenderer * | GetRenderer (const wxGrid *grid, int row, int col) const
| Returns the cell renderer. More...
const wxColour & | GetTextColour () const
| Returns the text colour. More...
bool | HasAlignment () const
| Returns true if this attribute has a valid alignment set. More...
bool | HasBackgroundColour () const
| Returns true if this attribute has a valid background colour set. More...
bool | HasEditor () const
| Returns true if this attribute has a valid cell editor set. More...
bool | HasFont () const
| Returns true if this attribute has a valid font set. More...
bool | HasRenderer () const
| Returns true if this attribute has a valid cell renderer set. More...
bool | HasTextColour () const
| Returns true if this attribute has a valid text colour set. More...
void | IncRef ()
| This class is reference counted: it is created with ref count of 1, so calling DecRef() once will delete it. More...
bool | IsReadOnly () const
| Returns true if this cell is set as read-only. More...
void | SetAlignment (int hAlign, int vAlign)
| Sets the alignment. More...
void | SetBackgroundColour (const wxColour &colBack)
| Sets the background colour. More...
void | SetDefAttr (wxGridCellAttr *defAttr)
void | SetEditor (wxGridCellEditor *editor)
| Sets the editor to be used with the cells with this attribute. More...
void | SetFont (const wxFont &font)
| Sets the font. More...
void | SetReadOnly (bool isReadOnly=true)
| Sets the cell as read-only. More...
void | SetRenderer (wxGridCellRenderer *renderer)
| Sets the renderer to be used for cells with this attribute. More...
void | SetTextColour (const wxColour &colText)
| Sets the text colour. More...
void | MergeWith (wxGridCellAttr *mergefrom)
void | SetSize (int num_rows, int num_cols)
void | SetOverflow (bool allow=true)
void | SetKind (wxAttrKind kind)
bool | HasReadWriteMode () const
bool | HasOverflowMode () const
bool | HasSize () const
void | GetSize (int *num_rows, int *num_cols) const
bool | GetOverflow () const
wxAttrKind | GetKind ()
Public Member Functions inherited from wxClientDataContainer
| wxClientDataContainer ()
| Default constructor. More...
virtual | ~wxClientDataContainer ()
| Destructor. More...
void * | GetClientData () const
| Get the untyped client data. More...
wxClientData * | GetClientObject () const
| Get a pointer to the client data object. More...
void | SetClientData (void *data)
| Set the untyped client data. More...
void | SetClientObject (wxClientData *data)
| Set the client data object. More...
Public Member Functions inherited from wxRefCounter
| wxRefCounter ()
| Default constructor. More...
void | DecRef ()
| Decrements the reference count associated with this shared data and, if it reaches zero, destroys this instance of wxRefCounter releasing its memory. More...
int | GetRefCount () const
| Returns the reference count associated with this shared data. More...
void | IncRef ()
| Increments the reference count associated with this shared data. More...

## Protected Member Functions

virtual | ~wxGridCellAttr ()
| The destructor is private because only DecRef() can delete us. More...
Protected Member Functions inherited from wxRefCounter
virtual | ~wxRefCounter ()
| Destructor. More...

## Member Enumeration Documentation

enum wxGridCellAttr::wxAttrKind

Kind of the attribute to retrieve.

See also
  wxGridCellAttrProvider::GetAttr(), wxGridTableBase::GetAttr()

Enumerator
Any | Return the combined effective attribute for the cell.
Cell | Return the attribute explicitly set for this cell.
Row | Return the attribute set for this cells row.
Col | Return the attribute set for this cells column.
Default |
Merged |

## Constructor & Destructor Documentation

wxGridCellAttr::wxGridCellAttr | ( | wxGridCellAttr * | attrDefault = `NULL` | ) |

Default constructor.

wxGridCellAttr::wxGridCellAttr | ( | const wxColour & | colText,
|  | const wxColour & | colBack,
|  | const wxFont & | font,
|  | int | hAlign,
|  | int | vAlign
| ) |  |

Constructor specifying some of the often used attributes.

virtual wxGridCellAttr::~wxGridCellAttr | ( |  | ) |

protectedvirtual

The destructor is private because only DecRef() can delete us.

## Member Function Documentation

wxGridCellAttr* wxGridCellAttr::Clone | ( |  | ) | const

Creates a new copy of this object.

void wxGridCellAttr::DecRef | ( |  | ) |

This class is reference counted: it is created with ref count of 1, so calling DecRef() once will delete it.

Calling IncRef() allows locking it until the matching DecRef() is called.

void wxGridCellAttr::GetAlignment | ( | int * | hAlign,
|  | int * | vAlign
| ) |  | const

Get the alignment to use for the cell with the given attribute.

If this attribute doesn't specify any alignment, the default attribute alignment is used (which can be changed using wxGrid::SetDefaultCellAlignment() but is left and top by default).

Notice that hAlign and vAlign values are always overwritten by this function, use GetNonDefaultAlignment() if this is not desirable.

Parameters

  hAlign | Horizontal alignment is returned here if this argument is non-NULL. It is one of wxALIGN_LEFT, wxALIGN_CENTRE or wxALIGN_RIGHT.
  vAlign | Vertical alignment is returned here if this argument is non-NULL. It is one of wxALIGN_TOP, wxALIGN_CENTRE or wxALIGN_BOTTOM.

const wxColour& wxGridCellAttr::GetBackgroundColour | ( |  | ) | const

Returns the background colour.

wxGridCellEditor* wxGridCellAttr::GetEditor | ( | const wxGrid * | grid,
|  | int | row,
|  | int | col
| ) |  | const

Returns the cell editor.

const wxFont& wxGridCellAttr::GetFont | ( |  | ) | const

Returns the font.

wxAttrKind wxGridCellAttr::GetKind | ( |  | ) |

void wxGridCellAttr::GetNonDefaultAlignment | ( | int * | hAlign,
|  | int * | vAlign
| ) |  | const

Get the alignment defined by this attribute.

Unlike GetAlignment() this function only modifies hAlign and vAlign if this attribute does define a non-default alignment. This means that they must be initialized before calling this function and that their values will be preserved unchanged if they are different from wxALIGN_INVALID.

For example, the following fragment can be used to use the cell alignment if one is defined but right-align its contents by default (instead of left-aligning it by default) while still using the default vertical alignment:

int hAlign = wxALIGN_RIGHT,
vAlign = wxALIGN_INVALID;
attr.GetNonDefaultAlignment(&hAlign, &vAlign);

Since
  2.9.1

bool wxGridCellAttr::GetOverflow | ( |  | ) | const

wxGridCellRenderer* wxGridCellAttr::GetRenderer | ( | const wxGrid * | grid,
|  | int | row,
|  | int | col
| ) |  | const

Returns the cell renderer.

void wxGridCellAttr::GetSize | ( | int * | num_rows,
|  | int * | num_cols
| ) |  | const

const wxColour& wxGridCellAttr::GetTextColour | ( |  | ) | const

Returns the text colour.

bool wxGridCellAttr::HasAlignment | ( |  | ) | const

Returns true if this attribute has a valid alignment set.

bool wxGridCellAttr::HasBackgroundColour | ( |  | ) | const

Returns true if this attribute has a valid background colour set.

bool wxGridCellAttr::HasEditor | ( |  | ) | const

Returns true if this attribute has a valid cell editor set.

bool wxGridCellAttr::HasFont | ( |  | ) | const

Returns true if this attribute has a valid font set.

bool wxGridCellAttr::HasOverflowMode | ( |  | ) | const

bool wxGridCellAttr::HasReadWriteMode | ( |  | ) | const

bool wxGridCellAttr::HasRenderer | ( |  | ) | const

Returns true if this attribute has a valid cell renderer set.

bool wxGridCellAttr::HasSize | ( |  | ) | const

bool wxGridCellAttr::HasTextColour | ( |  | ) | const

Returns true if this attribute has a valid text colour set.

void wxGridCellAttr::IncRef | ( |  | ) |

This class is reference counted: it is created with ref count of 1, so calling DecRef() once will delete it.

Calling IncRef() allows locking it until the matching DecRef() is called.

bool wxGridCellAttr::IsReadOnly | ( |  | ) | const

Returns true if this cell is set as read-only.

void wxGridCellAttr::MergeWith | ( | wxGridCellAttr * | mergefrom | ) |

void wxGridCellAttr::SetAlignment | ( | int | hAlign,
|  | int | vAlign
| ) |  |

Sets the alignment.

hAlign can be one of `wxALIGN_LEFT`, `wxALIGN_CENTRE` or `wxALIGN_RIGHT` and vAlign can be one of `wxALIGN_TOP`, `wxALIGN_CENTRE` or `wxALIGN_BOTTOM`.

void wxGridCellAttr::SetBackgroundColour | ( | const wxColour & | colBack | ) |

Sets the background colour.

void wxGridCellAttr::SetDefAttr | ( | wxGridCellAttr * | defAttr | ) |

Todo:
  Needs documentation.

void wxGridCellAttr::SetEditor | ( | wxGridCellEditor * | editor | ) |

Sets the editor to be used with the cells with this attribute.

void wxGridCellAttr::SetFont | ( | const wxFont & | font | ) |

Sets the font.

void wxGridCellAttr::SetKind | ( | wxAttrKind | kind | ) |

void wxGridCellAttr::SetOverflow | ( | bool | allow = `true` | ) |

void wxGridCellAttr::SetReadOnly | ( | bool | isReadOnly = `true` | ) |

Sets the cell as read-only.

void wxGridCellAttr::SetRenderer | ( | wxGridCellRenderer * | renderer | ) |

Sets the renderer to be used for cells with this attribute.

Takes ownership of the pointer.

void wxGridCellAttr::SetSize | ( | int | num_rows,
|  | int | num_cols
| ) |  |

void wxGridCellAttr::SetTextColour | ( | const wxColour & | colText | ) |

Sets the text colour.