GtkSourceView

## GtkSourceView GtkSourceView |

## Synopsis

    #include <gtksourceview/gtksourceview.h>

                        GtkSourceView;
                        GtkSourceViewClass;
    enum                GtkSourceSmartHomeEndType;
    GtkWidget*          gtk_source_view_new                 (void);
    GtkWidget*          gtk_source_view_new_with_buffer     (GtkSourceBuffer *buffer);
    void                gtk_source_view_set_auto_indent     (GtkSourceView *view,
                                                             gboolean enable);
    gboolean            gtk_source_view_get_auto_indent     (GtkSourceView *view);
    void                gtk_source_view_set_indent_on_tab   (GtkSourceView *view,
                                                             gboolean enable);
    gboolean            gtk_source_view_get_indent_on_tab   (GtkSourceView *view);
    void                gtk_source_view_set_indent_width    (GtkSourceView *view,
                                                             gint width);
    gint                gtk_source_view_get_indent_width    (GtkSourceView *view);
    void                gtk_source_view_set_insert_spaces_instead_of_tabs
                                                            (GtkSourceView *view,
                                                             gboolean enable);
    gboolean            gtk_source_view_get_insert_spaces_instead_of_tabs
                                                            (GtkSourceView *view);
    void                gtk_source_view_set_smart_home_end  (GtkSourceView *view,
                                                             GtkSourceSmartHomeEndType smart_he);
    GtkSourceSmartHomeEndType gtk_source_view_get_smart_home_end
                                                            (GtkSourceView *view);
    void                gtk_source_view_set_highlight_current_line
                                                            (GtkSourceView *view,
                                                             gboolean show);
    gboolean            gtk_source_view_get_highlight_current_line
                                                            (GtkSourceView *view);
    void                gtk_source_view_set_show_line_numbers
                                                            (GtkSourceView *view,
                                                             gboolean show);
    gboolean            gtk_source_view_get_show_line_numbers
                                                            (GtkSourceView *view);
    void                gtk_source_view_set_show_right_margin
                                                            (GtkSourceView *view,
                                                             gboolean show);
    gboolean            gtk_source_view_get_show_right_margin
                                                            (GtkSourceView *view);
    void                gtk_source_view_set_right_margin_position
                                                            (GtkSourceView *view,
                                                             guint pos);
    guint               gtk_source_view_get_right_margin_position
                                                            (GtkSourceView *view);
    void                gtk_source_view_set_tab_width       (GtkSourceView *view,
                                                             guint width);
    guint               gtk_source_view_get_tab_width       (GtkSourceView *view);

## Object Hierarchy

      GObject
       +----GInitiallyUnowned
             +----GtkObject
                   +----GtkWidget
                         +----GtkContainer
                               +----GtkTextView
                                     +----GtkSourceView

## Implemented Interfaces

GtkSourceView implements AtkImplementorIface and GtkBuildable.

## Properties

      "auto-indent"              gboolean              : Read / Write
      "highlight-current-line"   gboolean              : Read / Write
      "indent-on-tab"            gboolean              : Read / Write
      "indent-width"             gint                  : Read / Write
      "insert-spaces-instead-of-tabs" gboolean              : Read / Write
      "right-margin-position"    guint                 : Read / Write
      "show-line-numbers"        gboolean              : Read / Write
      "show-right-margin"        gboolean              : Read / Write
      "smart-home-end"           GtkSourceSmartHomeEndType  : Read / Write
      "tab-width"                guint                 : Read / Write

## Signals

      "redo"                                           : Run Last / Action
      "undo"                                           : Run Last / Action

## Description

## Details

### GtkSourceView

    typedef struct _GtkSourceView GtkSourceView;

### GtkSourceViewClass

    typedef struct {
    	GtkTextViewClass parent_class;

    	void (*undo) (GtkSourceView *view);
    	void (*redo) (GtkSourceView *view);

    	/* Padding for future expansion */
    	void (*_gtk_source_reserved1) (void);
    	void (*_gtk_source_reserved2) (void);
    	void (*_gtk_source_reserved3) (void);
    	void (*_gtk_source_reserved4) (void);
    } GtkSourceViewClass;

### enum GtkSourceSmartHomeEndType

    typedef enum
    {
    	GTK_SOURCE_SMART_HOME_END_DISABLED,
    	GTK_SOURCE_SMART_HOME_END_BEFORE,
    	GTK_SOURCE_SMART_HOME_END_AFTER,
    	GTK_SOURCE_SMART_HOME_END_ALWAYS
    } GtkSourceSmartHomeEndType;

`GTK_SOURCE_SMART_HOME_END_DISABLED` | smart-home-end disabled.
`GTK_SOURCE_SMART_HOME_END_BEFORE` | move to the first/last non-whitespace character on the first press of the HOME/END keys and to the beginning/end of the line on the second press.
`GTK_SOURCE_SMART_HOME_END_AFTER` | move to the beginning/end of the line on the first press of the HOME/END keys and to the first/last non-whitespace character on the second press.
`GTK_SOURCE_SMART_HOME_END_ALWAYS` | always move to the first/last non-whitespace character when the HOME/END keys are pressed.

### gtk_source_view_new ()

    GtkWidget*          gtk_source_view_new                 (void);

Creates a new GtkSourceView. An empty default buffer will be created for you. If you want to specify your own buffer, consider `gtk_source_view_new_with_buffer()`.

Returns : | a new GtkSourceView

### gtk_source_view_new_with_buffer ()

    GtkWidget*          gtk_source_view_new_with_buffer     (GtkSourceBuffer *buffer);

Creates a new GtkSourceView widget displaying the buffer `buffer`. One buffer can be shared among many widgets.

`buffer` : | a GtkSourceBuffer.
Returns : | a new GtkTextView.

### gtk_source_view_set_auto_indent ()

    void                gtk_source_view_set_auto_indent     (GtkSourceView *view,
                                                             gboolean enable);

If `TRUE` auto indentation of text is enabled.

`view` : | a GtkSourceView.
`enable` : | whether to enable auto indentation.

### gtk_source_view_get_auto_indent ()

    gboolean            gtk_source_view_get_auto_indent     (GtkSourceView *view);

Returns whether auto indentation of text is enabled.

`view` : | a GtkSourceView.
Returns : | `TRUE` if auto indentation is enabled.

### gtk_source_view_set_indent_on_tab ()

    void                gtk_source_view_set_indent_on_tab   (GtkSourceView *view,
                                                             gboolean enable);

If `TRUE`, 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.

`view` : | a GtkSourceView.
`enable` : | whether to indent a block when tab is pressed.

Since 1.8

### gtk_source_view_get_indent_on_tab ()

    gboolean            gtk_source_view_get_indent_on_tab   (GtkSourceView *view);

Returns whether when the tab key is pressed the current selection should get indented instead of replaced with the \t character.

`view` : | a GtkSourceView.
Returns : | `TRUE` if the selection is indented when tab is pressed.

Since 1.8

### gtk_source_view_set_indent_width ()

    void                gtk_source_view_set_indent_width    (GtkSourceView *view,
                                                             gint width);

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.

`view` : | a GtkSourceView.
`width` : | indent width in characters.

### gtk_source_view_get_indent_width ()

    gint                gtk_source_view_get_indent_width    (GtkSourceView *view);

Returns the number of spaces to use for each step of indent. See `gtk_source_view_set_indent_width()` for details.

`view` : | a GtkSourceView.
Returns : | indent width.

### gtk_source_view_set_insert_spaces_instead_of_tabs ()

    void                gtk_source_view_set_insert_spaces_instead_of_tabs
                                                            (GtkSourceView *view,
                                                             gboolean enable);

If `TRUE` any tabulator character inserted is replaced by a group of space characters.

`view` : | a GtkSourceView.
`enable` : | whether to insert spaces instead of tabs.

### gtk_source_view_get_insert_spaces_instead_of_tabs ()

    gboolean            gtk_source_view_get_insert_spaces_instead_of_tabs
                                                            (GtkSourceView *view);

Returns whether when inserting a tabulator character it should be replaced by a group of space characters.

`view` : | a GtkSourceView.
Returns : | `TRUE` if spaces are inserted instead of tabs.

### gtk_source_view_set_smart_home_end ()

    void                gtk_source_view_set_smart_home_end  (GtkSourceView *view,
                                                             GtkSourceSmartHomeEndType smart_he);

Set the desired movement of the cursor when HOME and END keys are pressed.

`view` : | a GtkSourceView.
`smart_he` : | the desired behavior among GtkSourceSmartHomeEndType

### gtk_source_view_get_smart_home_end ()

    GtkSourceSmartHomeEndType gtk_source_view_get_smart_home_end
                                                            (GtkSourceView *view);

`view` : | a GtkSourceView.
Returns : | a GtkSourceSmartHomeEndTypeend value specifying how the cursor will move when HOME and END keys are pressed.

### gtk_source_view_set_highlight_current_line ()

    void                gtk_source_view_set_highlight_current_line
                                                            (GtkSourceView *view,
                                                             gboolean show);

If `show` is `TRUE` the current line is highlighted.

`view` : | a GtkSourceView
`show` : | whether to highlight the current line

### gtk_source_view_get_highlight_current_line ()

    gboolean            gtk_source_view_get_highlight_current_line
                                                            (GtkSourceView *view);

Returns whether the current line is highlighted

`view` : | a GtkSourceView
Returns : | `TRUE` if the current line is highlighted.

### gtk_source_view_set_show_line_numbers ()

    void                gtk_source_view_set_show_line_numbers
                                                            (GtkSourceView *view,
                                                             gboolean show);

If `TRUE` line numbers will be displayed beside the text.

`view` : | a GtkSourceView.
`show` : | whether line numbers should be displayed.

### gtk_source_view_get_show_line_numbers ()

    gboolean            gtk_source_view_get_show_line_numbers
                                                            (GtkSourceView *view);

Returns whether line numbers are displayed beside the text.

`view` : | a GtkSourceView.
Returns : | `TRUE` if the line numbers are displayed.

### gtk_source_view_set_show_right_margin ()

    void                gtk_source_view_set_show_right_margin
                                                            (GtkSourceView *view,
                                                             gboolean show);

If `TRUE` a right margin is displayed

`view` : | a GtkSourceView.
`show` : | whether to show a right margin.

### gtk_source_view_get_show_right_margin ()

    gboolean            gtk_source_view_get_show_right_margin
                                                            (GtkSourceView *view);

Returns whether a right margin is displayed.

`view` : | a GtkSourceView.
Returns : | `TRUE` if the right margin is shown.

### gtk_source_view_set_right_margin_position ()

    void                gtk_source_view_set_right_margin_position
                                                            (GtkSourceView *view,
                                                             guint pos);

Sets the position of the right margin in the given `view`.

`view` : | a GtkSourceView.
`pos` : |

### gtk_source_view_get_right_margin_position ()

    guint               gtk_source_view_get_right_margin_position
                                                            (GtkSourceView *view);

Gets the position of the right margin in the given `view`.

`view` : | a GtkSourceView.
Returns : | the position of the right margin.

### gtk_source_view_set_tab_width ()

    void                gtk_source_view_set_tab_width       (GtkSourceView *view,
                                                             guint width);

Sets the width of tabulation in characters.

`view` : | a GtkSourceView.
`width` : | width of tab in characters.

### gtk_source_view_get_tab_width ()

    guint               gtk_source_view_get_tab_width       (GtkSourceView *view);

Returns the width of tabulation in characters.

`view` : | a GtkSourceView.
Returns : | width of tab.

## Property Details

### The "`auto-indent`" property

      "auto-indent"              gboolean              : Read / Write

Whether to enable auto indentation.

Default value: FALSE

### The "`highlight-current-line`" property

      "highlight-current-line"   gboolean              : Read / Write

Whether to highlight the current line.

Default value: FALSE

### The "`indent-on-tab`" property

      "indent-on-tab"            gboolean              : Read / Write

Whether to indent the selected text when the tab key is pressed.

Default value: TRUE

### The "`indent-width`" property

      "indent-width"             gint                  : Read / Write

Width of an indentation step expressed in number of spaces.

Allowed values: [-1,32]

Default value: -1

### The "`insert-spaces-instead-of-tabs`" property

      "insert-spaces-instead-of-tabs" gboolean              : Read / Write

Whether to insert spaces instead of tabs.

Default value: FALSE

### The "`right-margin-position`" property

      "right-margin-position"    guint                 : Read / Write

Position of the right margin.

Allowed values: [1,200]

Default value: 80

### The "`show-line-numbers`" property

      "show-line-numbers"        gboolean              : Read / Write

Whether to display line numbers.

Default value: FALSE

### The "`show-right-margin`" property

      "show-right-margin"        gboolean              : Read / Write

Whether to display the right margin.

Default value: FALSE

### The "`smart-home-end`" property

      "smart-home-end"           GtkSourceSmartHomeEndType  : Read / Write

Set the behavior of the HOME and END keys.

Default value: GTK_SOURCE_SMART_HOME_END_DISABLED

Since 2.0

### The "`tab-width`" property

      "tab-width"                guint                 : Read / Write

Width of an tab character expressed in number of spaces.

Allowed values: [1,32]

Default value: 8

## Signal Details

### The "redo" signal

    void                user_function                      (GtkSourceView *sourceview,
                                                            gpointer       user_data)       : Run Last / Action

`sourceview` : | the object which received the signal.
`user_data` : | user data set when the signal handler was connected.

### The "undo" signal

    void                user_function                      (GtkSourceView *sourceview,
                                                            gpointer       user_data)       : Run Last / Action

`sourceview` : | the object which received the signal.
`user_data` : | user data set when the signal handler was connected.