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# wxNotebook (wx v2.4.3.1)

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This class represents a notebook control, which manages multiple windows with associated tabs.

To use the class, create a `wxNotebook` object and call `wxBookCtrlBase:addPage/4` or `wxBookCtrlBase:insertPage/5`, passing a window to be used as the page. Do not explicitly delete the window for a page that is currently managed by `wxNotebook`.

`wxNotebookPage` is a typedef for `wxWindow`.

## Styles

This class supports the following styles:

- wxNB_TOP: Place tabs on the top side.

- wxNB_LEFT: Place tabs on the left side.

- wxNB_RIGHT: Place tabs on the right side.

- wxNB_BOTTOM: Place tabs under instead of above the notebook pages.

- wxNB_FIXEDWIDTH: (Windows only) All tabs will have same width.

- wxNB_MULTILINE: (Windows only) There can be several rows of tabs.

- wxNB_NOPAGETHEME: (Windows only) Display a solid colour on notebook pages, and not a gradient, which can reduce performance. The styles wxNB_LEFT, RIGHT and BOTTOM are not supported under Microsoft Windows when using visual themes.

Page backgrounds

On Windows, the default theme paints a background on the notebook's pages. If you wish to suppress this theme, for aesthetic or performance reasons, there are three ways of doing it. You can use `wxNB_NOPAGETHEME` to disable themed drawing for a particular notebook, you can call `wxSystemOptions:setOption/2` to disable it for the whole application, or you can disable it for individual pages by using `wxWindow:setBackgroundColour/2`.

To disable themed pages globally:

Set the value to 1 to enable it again. To give a single page a solid background that more or less fits in with the overall theme, use:

On platforms other than Windows, or if the application is not using Windows themes, `getThemeBackgroundColour/1` will return an uninitialised colour object, and the above code will therefore work on all platforms.

See:

- ?wxBookCtrl

- `wxBookCtrlEvent`

- `wxImageList`

- Examples

This class is derived, and can use functions, from:

- `wxBookCtrlBase`

- `wxControl`

- `wxWindow`

- `wxEvtHandler`

wxWidgets docs: wxNotebook

## Events

Event types emitted from this class:

- `command_notebook_page_changed`

- `command_notebook_page_changing`

# Summary

## Types

wxNotebook()

## Functions

assignImageList(This, ImageList)

Sets the image list for the page control and takes ownership of the list.

create(This, Parent, Id)

Equivalent to `create(This, Parent, Id, [])`.

create/4

Creates a notebook control.

destroy(This)

Destroys the object

getImageList(This)

Returns the associated image list, may be NULL.

getPageImage(This, NPage)

Returns the image index for the given page.

getRowCount(This)

Returns the number of rows in the notebook control.

getThemeBackgroundColour(This)

If running under Windows and themes are enabled for the application, this function returns a suitable colour for painting the background of a notebook page, and can be passed to `wxWindow:setBackgroundColour/2`.

new()

Constructs a notebook control.

new(Parent, Id)

Equivalent to `new(Parent, Id, [])`.

new/3

Constructs a notebook control.

setImageList(This, ImageList)

Sets the image list to use.

setPadding(This, Padding)

Sets the amount of space around each page's icon and label, in pixels.

setPageImage(This, Page, Image)

Sets the image index for the given page.

setPageSize(This, Size)

Sets the width and height of the pages.

# Types

# wxNotebook()

    -type wxNotebook() :: wx:wx_object().

# Functions

# assignImageList(This, ImageList)

    -spec assignImageList(This, ImageList) -> ok
                             when This :: wxNotebook(), ImageList :: wxImageList:wxImageList().

Sets the image list for the page control and takes ownership of the list.

See:

- `wxImageList`

- `setImageList/2`

# create(This, Parent, Id)

    -spec create(This, Parent, Id) -> boolean()
                    when This :: wxNotebook(), Parent :: wxWindow:wxWindow(), Id :: integer().

Equivalent to `create(This, Parent, Id, [])`.

# create/4

    -spec create(This, Parent, Id, [Option]) -> boolean()
                    when
                        This :: wxNotebook(),
                        Parent :: wxWindow:wxWindow(),
                        Id :: integer(),
                        Option ::
                            {pos, {X :: integer(), Y :: integer()}} |
                            {size, {W :: integer(), H :: integer()}} |
                            {style, integer()}.

Creates a notebook control.

See `new/3` for a description of the parameters.

# destroy(This)

    -spec destroy(This :: wxNotebook()) -> ok.

Destroys the object

# getImageList(This)

    -spec getImageList(This) -> wxImageList:wxImageList() when This :: wxNotebook().

Returns the associated image list, may be NULL.

See:

- `wxImageList`

- `setImageList/2`

# getPageImage(This, NPage)

    -spec getPageImage(This, NPage) -> integer() when This :: wxNotebook(), NPage :: integer().

Returns the image index for the given page.

# getRowCount(This)

    -spec getRowCount(This) -> integer() when This :: wxNotebook().

Returns the number of rows in the notebook control.

# getThemeBackgroundColour(This)

    -spec getThemeBackgroundColour(This) -> wx:wx_colour4() when This :: wxNotebook().

If running under Windows and themes are enabled for the application, this function returns a suitable colour for painting the background of a notebook page, and can be passed to `wxWindow:setBackgroundColour/2`.

Otherwise, an uninitialised colour will be returned.

# new()

    -spec new() -> wxNotebook().

Constructs a notebook control.

# new(Parent, Id)

    -spec new(Parent, Id) -> wxNotebook() when Parent :: wxWindow:wxWindow(), Id :: integer().

Equivalent to `new(Parent, Id, [])`.

# new/3

    -spec new(Parent, Id, [Option]) -> wxNotebook()
                 when
                     Parent :: wxWindow:wxWindow(),
                     Id :: integer(),
                     Option ::
                         {pos, {X :: integer(), Y :: integer()}} |
                         {size, {W :: integer(), H :: integer()}} |
                         {style, integer()}.

Constructs a notebook control.

Note that sometimes you can reduce flicker by passing the wxCLIP_CHILDREN window style.

# setImageList(This, ImageList)

    -spec setImageList(This, ImageList) -> ok
                          when This :: wxNotebook(), ImageList :: wxImageList:wxImageList().

Sets the image list to use.

It does not take ownership of the image list, you must delete it yourself.

See:

- `wxImageList`

- `assignImageList/2`

# setPadding(This, Padding)

    -spec setPadding(This, Padding) -> ok
                        when This :: wxNotebook(), Padding :: {W :: integer(), H :: integer()}.

Sets the amount of space around each page's icon and label, in pixels.

Note: The vertical padding cannot be changed in wxGTK.

# setPageImage(This, Page, Image)

    -spec setPageImage(This, Page, Image) -> boolean()
                          when This :: wxNotebook(), Page :: integer(), Image :: integer().

Sets the image index for the given page.

`image` is an index into the image list which was set with `setImageList/2`.

# setPageSize(This, Size)

    -spec setPageSize(This, Size) -> ok when This :: wxNotebook(), Size :: {W :: integer(), H :: integer()}.

Sets the width and height of the pages.

Note: This method is currently not implemented for wxGTK.