gtksourceview2.View
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## gtksourceview2.View

gtksourceview2.View — a widget that displays the source code

## Synopsis

    class gtksourceview2.View(gtk.TextView):
        gtksourceview2.View(buffer=None)
        def get_auto_indent()
        def get_draw_spaces()
        def get_highlight_current_line()
        def get_indent_on_tab()
        def get_indent_width()
        def get_insert_spaces_instead_of_tabs()
        def get_mark_category_background(category)
        def get_mark_category_pixbuf(category)
        def get_mark_category_priority(category)
        def get_right_margin_position()
        def get_show_line_marks()
        def get_show_line_numbers()
        def get_show_right_margin()
        def get_smart_home_end()
        def get_tab_width()
        def set_auto_indent(enable)
        def set_draw_spaces(flags)
        def set_highlight_current_line(show)
        def set_indent_on_tab(enable)
        def set_indent_width(width)
        def set_insert_spaces_instead_of_tabs(enable)
        def set_mark_category_pixbuf(category, pixbuf)
        def set_mark_category_background(category, dest)
        def set_mark_category_priority(category, priority)
        def set_right_margin_position(pos)
        def set_show_line_marks(show)
        def set_show_line_numbers(show)
        def set_show_right_margin(show)
        def set_smart_home_end(smart_he)
        def set_tab_width(width)

## Ancestry

    +-- gobject.GObject
        +-- gtk.Object
            +-- gtk.Widget
                +-- gtk.Container
                    +-- gtk.TextView
                        +-- gtksourceview2.View

## Virtual Methods

`do_redo` | Method that can be overridden to implement a custom redo.
`do_undo` | Method that can be overridden to implement a custom undo.

## Properties

"auto-indent" | Read-Write | If `True` enable auto indentation. Default value: False.
"highlight-current-line" | Read-Write | Whether to highlight the current line. Default value: False.
"indent-on-tab" | Read-Write | Whether to indent the selected text when the tab key is pressed. Default value: True.
"indent-width" | Read-Write | Width of an indentation step expressed in number of spaces. Allowed values: [-1,32]. Default value: -1.
"insert-spaces-instead-of-tabs" | Read-Write | If `True` spaces will be inserted instead of tabs. Default value: False
"right-margin-position" | Read-Write | Position of the right margin. Allowed values: [1,200]. Default value: 80
"show-line-marks" | Read-Write | If `True`, the display line marks pixbufs will be shown. Default value: False.
"show-line-numbers" | Read-Write | If `True`, the line numbers will be shown. Default value: False.
"show-right-margin" | Read-Write | If `True`, the right margin will be shown. Default value: False.
"smart-home-end" | Read-Write | Set the behavior of the HOME and END keys. Default value: gtksourceview2.SMART_HOME_END_DISABLED.
"tabs-width" | Read-Write | Width of an tab character expressed in number of spaces. Allowed values: [1,32]. Default value: 8.

## Signal Prototypes

"redo" | `def callback(`sourceview`, `user_param1`, `...`)`
"undo" | `def callback(`sourceview`, `user_param1`, `...`)`

## Description

A `gtksourceview2.View` is a text widget that extends the standard `gtk.TextView` It improves the `gtk.TextView` by implementing syntax highlighting and other features typical of a source editor.

## Constructor

        gtksourceview2.View(buffer=None)

`buffer` : | a `gtksourceview2.Buffer` or `None`
Returns : | a new `gtksourceview2.View`.

Creates a new `gtksourceview2.View` widget displaying the `gtksourceview2.Buffer` specified by `buffer`. If `buffer` is `None`, a new `gtksourceview2.Buffer` will be created. One sourcebuffer can be shared among many widgets.

## Methods

### gtksourceview2.View.get_auto_indent

        def get_auto_indent()

Returns : | `True` if auto indentation is enabled, `False` otherwise.

The `get_auto_indent`() method returns whether auto indentation of text is enabled.

### gtksourceview2.View.get_draw_spaces

        def get_draw_spaces()

Returns : | One of gtksourceview2.DRAW_SPACES_SPACE, gtksourceview2.DRAW_SPACES_TAB gtksourceview2.DRAW_SPACES_NEWLINE or gtksourceview2.DRAW_SPACES_ALL.

The `get_draw_spaces`() method returns one of the flags specifying if and how spaces should be displayed for this view.

### gtksourceview2.View.get_highlight_current_line

        def get_highlight_current_line()

Returns : | `True` if the current line is highlighted, `False` otherwise.

The `get_highlight_current_line`() method returns whether the current line is highlighted.

### gtksourceview2.View.get_indent_on_tab

        def get_indent_on_tab()

Returns : | `True` if the selection is indented when tab is pressed. `False` otherwise.

The `get_indent_on_tab`() method returns whether when the tab key is pressed the current selection should get indented instead of replaced with the \t character.

### gtksourceview2.View.get_indent_width

        def get_indent_width()

Returns : | the indent width.

The `get_indent_width`() method returns the number of spaces to use for each step of indent. See `gtksourceview2.View.set_indent_width`() for details.

### gtksourceview2.View.get_insert_spaces_instead_of_tabs

        def get_insert_spaces_instead_of_tabs()

Returns : | `True` if spaces are inserted instead of tabs. `False` otherwise.

The `get_insert_spaces_instead_of_tabs`() method returns whether when inserting a tabulator character it should be replaced by a group of space characters.

### gtksourceview2.View.get_mark_category_background

        def get_mark_category_background(category)

`category` : | a marker category.
Returns : | a `gtk.gdk.Color` if found, or `None` if not found.

The `get_marker_category_pixbuf`() method gets the pixbuf which is associated with the given category.

### gtksourceview2.View.get_mark_category_pixbuf

        def get_mark_category_pixbuf(category)

`category` : | a marker category.
Returns : | a `gtk.gdk.Pixbuf` if found, or `None` if not found.

The `get_marker_category_pixbuf`() method gets the pixbuf which is associated with the given category.

### gtksourceview2.View.get_mark_category_priority

        def get_mark_category_priority(category)

`category` : | a marker category.
Returns : | a `gtk.gdk.Pixbuf` if found, or `None` if not found.

The `get_mark_category_priority`() method gets the priority which is associated with the given category.

### gtksourceview2.View.get_right_margin_position

        def get_right_margin_position()

Returns : | the position of the right margin.

The `get_right_margin_position`() method gets the position of the right margin.

### gtksourceview2.View.get_show_line_marks

        def get_show_line_marks()

Returns : | `True` if the line marks are displayed. `False` otherwise.

The `get_show_line_marks`() method returns whether line marks are displayed beside the text.

### gtksourceview2.View.get_show_line_numbers

        def get_show_line_numbers()

Returns : | `True` if the line numbers are displayed. `False` otherwise.

The `get_show_line_numbers`() method returns whether line numbers are displayed beside the text.

### gtksourceview2.View.get_show_right_margin

        def get_show_right_margin()

Returns : | `True` if the right margin is displayed. `False` otherwise.

The `get_show_right_margin`() method returns whether a right margin is displayed.

### gtksourceview2.View.get_smart_home_end

        def get_smart_home_end()

Returns : | a GtkSourceSmartHomeEndType value specifying how the cursor will move when HOME and END keys are pressed.

The `get_smart_home_end`() method returns a value specifying how the cursor will move when HOME and END keys are pressed.

### gtksourceview2.View.get_tab_width

        def get_tab_width()

Returns : | the width of tab.

The `get_tab_width`() method returns the width of tabulation in characters.

### gtksourceview2.View.set_auto_indent

        def set_auto_indent(enabled)

`enabled` : | if `True` auto indentation of text is enabled.

The `set_auto_indent`() method sets whether to enable auto indentation.

### gtksourceview2.View.set_draw_spaces

        def set_draw_spaces(flags)

`flags` : | one of gtksourceview2.DRAW_SPACES_SPACE, gtksourceview2.DRAW_SPACES_TAB gtksourceview2.DRAW_SPACES_NEWLINE or gtksourceview2.DRAW_SPACES_ALL, specifing how white spaces should be displayed.

The `set_draw_spaces`() method set if and how the spaces should be visualized. Specifying flags as 0 will disable display of spaces.

### gtksourceview2.View.set_highlight_current_line

        def set_highlight_current_line(show)

`show` : | if `True` the current line is highlighted.

The `set_highlight_current_line`() method sets whether to highlight the current line.

### gtksourceview2.View.set_indent_on_tab

        def set_indent_on_tab(enabled)

`enabled` : | if `True` indent a block when tab is pressed.

The `set_indent_on_tab`() method sets when the tab key is pressed and there is a selection, the selected text is indented of one level instead of being replaced with the \t characters. Shift+Tab unindents the selection.

### gtksourceview2.View.set_indent_width

        def set_indent_width(width)

`width` : | indent width in characters.

The `set_indent_width`() method sets the number of spaces to use for each step of indent. If width is -1, the value of the GtkSourceView::tab-width property will be used.

### gtksourceview2.View.set_insert_spaces_instead_of_tabs

        def set_insert_spaces_instead_of_tabs(enabled)

`enabled` : | if `True` insert spaces instead of tabs.

The `set_insert_spaces_instead_of_tabs`() method sets whether any tabulator character inserted is replaced by a group of space characters.

### gtksourceview2.View.set_mark_category_background

        def set_mark_category_background(category, color)

`category` : | a marker category.
`color` : | a `gtk.gdk.Color` or `None`.

The `set_mark_category_priority`() method sets given background color for mark category. If color is `None`, the background color is unset.

### gtksourceview2.View.set_mark_category_pixbuf

        def set_mark_category_pixbuf(category, pixbuf)

`category` : | a marker category.
`pixbuf` : | a `gtk.gdk.Pixbuf` or `None`.

The `set_mark_category_priority`() method associates a given `pixbuf` with a given `category`. If pixbuf is `None`, the pixbuf is unset.

### gtksourceview2.View.set_mark_category_priority

        def set_mark_category_priority(category, priority)

`category` : | a marker category.
`priority` : | the priority for the category.

The `set_mark_category_priority`() method Set the priority for the given mark category. When there are multiple marks on the same line, marks of categories with higher priorities will be drawn on top.

### gtksourceview2.View.set_right_margin_position

        def set_right_margin_position(pos)

`pos` : | The width in characters where to position the right margin.

The `set_right_margin_position`() method sets the position of the right margin.

### gtksourceview2.View.set_show_line_marks

        def set_show_line_marks(show)

`show` : | if `True` line marks will be displayed beside the text.

The `set_show_line_marks`() method sets whether line marks should be displayed.

### gtksourceview2.View.set_show_line_numbers

        def set_show_line_numbers(show)

`show` : | if `True` line numbers will be displayed beside the text.

The `set_show_line_numbers`() method sets whether line numbers should be displayed.

### gtksourceview2.View.set_show_right_margin

        def set_show_right_margin(show)

`show` : | if `True` line numbers will be displayed beside the text.

The `set_show_right_margin`() method sets whether to show a right margin.

### gtksourceview2.View.set_smart_home_end

        def set_smart_home_end(smart_he)

`smart_he` : | the desired behavior among GtkSourceSmartHomeEndType.

The `set_smart_home_end`() method sets the desired movement of the cursor when HOME and END keys are pressed.

### gtksourceview2.View.set_tab_width

        def set_tab_width(width)

`width` : | width of tab in characters.

The `set_tab_width`() method sets the width of tabulation in characters.

## Signals

### The "redo" gtksourceview2.View Signal

        def callback(sourceview, user_param1, ...)

`sourceview` : | the sourceview that received the signal
`user_param1` : | the first user parameter (if any) specified with the `connect`() method
`...` : | additional user parameters (if any)

The "redo" signal is emitted when an action has been redone.

### The "undo" gtksourceview2.View Signal

        def callback(sourceview, user_param1, ...)

`sourceview` : | the sourceview that received the signal
`user_param1` : | the first user parameter (if any) specified with the `connect`() method
`...` : | additional user parameters (if any)

The "undo" signal is emitted when an action has been undone.

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