Gtk::TextView Class Reference

Multi-line text editing widget. More...

#include <gtkmm/textview.h>

Inheritance diagram for Gtk::TextView:

Public Member Functions
	TextView (TextView && src) noexcept
TextView &	operator= (TextView && src) noexcept
	TextView (const TextView &)=delete
TextView &	operator= (const TextView &)=delete
	~TextView () noexcept override
GtkTextView *	gobj ()
	Provides access to the underlying C GObject.
const GtkTextView *	gobj () const
	Provides access to the underlying C GObject.
	TextView ()
	TextView (const Glib::RefPtr< TextBuffer > & buffer)
void	set_buffer (const Glib::RefPtr< TextBuffer > & buffer)
	Sets buffer as the buffer being displayed by text_view.
Glib::RefPtr< TextBuffer >	get_buffer ()
	Returns the Gtk::TextBuffer being displayed by this text view.
Glib::RefPtr< const TextBuffer >	get_buffer () const
	Returns the Gtk::TextBuffer being displayed by this text view.
bool	scroll_to (TextBuffer::iterator & iter, double within_margin=0)
	Scrolls the TextView so that iter is on the screen, by scrolling the minimal distance to get the mark onscreen, possibly not scrolling at all.
bool	scroll_to (TextBuffer::iterator & iter, double within_margin, double xalign, double yalign)
	Scrolls the TextView so that iter is on the screen, in the position indicated by xalign and yalign, possibly not scrolling at all.
void	scroll_to (const Glib::RefPtr< TextBuffer::Mark > & mark, double within_margin=0)
	Scrolls text_view so that mark is on the screen, by scrolling the minimal distance to get the mark onscreen, possibly not scrolling at all.
void	scroll_to (const Glib::RefPtr< TextBuffer::Mark > & mark, double within_margin, double xalign, double yalign)
	Scrolls the TextView so that iter is on the screen, in the position indicated by xalign and yalign, possibly not scrolling at all.
bool	move_mark_onscreen (const Glib::RefPtr< TextBuffer::Mark > & mark)
	Moves a mark within the buffer so that it's located within the currently-visible text area.
bool	place_cursor_onscreen ()
	Moves the cursor to the currently visible region of the buffer, it it isn’t there already.
void	get_visible_rect (Gdk::Rectangle & visible_rect) const
	Fills visible_rect with the currently-visible region of the buffer, in buffer coordinates.
void	set_cursor_visible (bool setting=true)
	Toggles whether the insertion point should be displayed.
bool	get_cursor_visible () const
	Find out whether the cursor should be displayed.
void	reset_cursor_blink ()
	Ensures that the cursor is shown (i.e. not in an 'off' blink interval) and resets the time that it will stay blinking (or visible, in case blinking is disabled).
void	get_cursor_locations (const TextBuffer::iterator & iter, Gdk::Rectangle & strong, Gdk::Rectangle & weak) const
	Given an iter within a text layout, determine the positions of the strong and weak cursors if the insertion point is at that iterator.
void	get_iter_location (const TextBuffer::iterator & iter, Gdk::Rectangle & location) const
	Gets a rectangle which roughly contains the character at iter.
void	get_iter_at_location (TextBuffer::iterator & iter, int x, int y) const
	Retrieves the iterator at buffer coordinates x and y.
void	get_iter_at_position (TextBuffer::iterator & iter, int & trailing, int x, int y) const
	Retrieves the iterator pointing to the character at buffer coordinates x and y.
void	get_line_yrange (const TextBuffer::iterator & iter, int & y, int & height) const
	Gets the y coordinate of the top of the line containing iter, and the height of the line.
void	get_line_at_y (TextBuffer::iterator & target_iter, int y, int & line_top) const
	Gets the Gtk::TextIter at the start of the line containing the coordinate y.
void	buffer_to_window_coords (TextWindowType win, int buffer_x, int buffer_y, int & window_x, int & window_y) const
	Converts coordinate ( buffer_x, buffer_y) to coordinates for the window win, and stores the result in ( window_x, window_y).
void	window_to_buffer_coords (TextWindowType win, int window_x, int window_y, int & buffer_x, int & buffer_y) const
	Converts coordinates on the window identified by win to buffer coordinates, storing the result in ( buffer_x, buffer_y).
Glib::RefPtr< Gdk::Window >	get_window (TextWindowType win)
	Retrieves the Gdk::Window corresponding to an area of the text view; possible windows include the overall widget window, child windows on the left, right, top, bottom, and the window that displays the text buffer.
Glib::RefPtr< const Gdk::Window >	get_window (TextWindowType win) const
	Retrieves the Gdk::Window corresponding to an area of the text view; possible windows include the overall widget window, child windows on the left, right, top, bottom, and the window that displays the text buffer.
TextWindowType	get_window_type (const Glib::RefPtr< Gdk::Window > & window)
	Usually used to find out which window an event corresponds to.
void	set_border_window_size (TextWindowType type, int size)
	Sets the width of Gtk::TEXT_WINDOW_LEFT or Gtk::TEXT_WINDOW_RIGHT, or the height of Gtk::TEXT_WINDOW_TOP or Gtk::TEXT_WINDOW_BOTTOM.
int	get_border_window_size (TextWindowType type) const
	Gets the width of the specified border window.
bool	forward_display_line (TextBuffer::iterator & iter)
	Moves the given iter forward by one display (wrapped) line.
bool	backward_display_line (TextBuffer::iterator & iter)
	Moves the given iter backward by one display (wrapped) line.
bool	forward_display_line_end (TextBuffer::iterator & iter)
	Moves the given iter forward to the next display line end.
bool	backward_display_line_start (TextBuffer::iterator & iter)
	Moves the given iter backward to the next display line start.
bool	starts_display_line (const TextBuffer::iterator & iter)
	Determines whether iter is at the start of a display line.
bool	move_visually (TextBuffer::iterator & iter, int count)
	Move the iterator a given number of characters visually, treating it as the strong cursor position.
bool	im_context_filter_keypress (GdkEventKey * gdk_event)
	Allow the Gtk::TextView input method to internally handle key press and release events.
void	reset_im_context ()
	Reset the input method context of the text view if needed.
void	add_child_at_anchor (Widget & child, const Glib::RefPtr< TextBuffer::ChildAnchor > & anchor)
	Adds a child widget in the text buffer, at the given anchor.
void	add_child_in_window (Widget & child, TextWindowType which_window, int xpos, int ypos)
	Adds a child at fixed coordinates in one of the text widget's windows.
void	move_child (Widget & child, int xpos, int ypos)
	Updates the position of a child, as for add_child_in_window().
void	set_wrap_mode (WrapMode wrap_mode)
	Sets the line wrapping for the view.
WrapMode	get_wrap_mode () const
	Gets the line wrapping for the view.
void	set_editable (bool setting=true)
	Sets the default editability of the Gtk::TextView.
bool	get_editable () const
	Returns the default editability of the Gtk::TextView.
void	set_pixels_above_lines (int pixels_above_lines)
	Sets the default number of blank pixels above paragraphs in text_view.
int	get_pixels_above_lines () const
	Gets the default number of pixels to put above paragraphs.
void	set_pixels_below_lines (int pixels_below_lines)
	Sets the default number of pixels of blank space to put below paragraphs in text_view.
int	get_pixels_below_lines () const
	Gets the value set by set_pixels_below_lines().
void	set_pixels_inside_wrap (int pixels_inside_wrap)
	Sets the default number of pixels of blank space to leave between display/wrapped lines within a paragraph.
int	get_pixels_inside_wrap () const
	Gets the value set by set_pixels_inside_wrap().
void	set_justification (Justification justification)
	Sets the default justification of text in text_view.
Justification	get_justification () const
	Gets the default justification of paragraphs in text_view.
void	set_left_margin (int left_margin)
	Sets the default left margin for text in text_view.
int	get_left_margin () const
	Gets the default left margin size of paragraphs in the text_view.
void	set_right_margin (int right_margin)
	Sets the default right margin for text in the text view.
int	get_right_margin () const
	Gets the default right margin for text in text_view.
void	set_top_margin (int top_margin)
	Sets the top margin for text in text_view.
int	get_top_margin () const
	Gets the top margin for text in the text_view.
void	set_bottom_margin (int bottom_margin)
	Sets the bottom margin for text in text_view.
int	get_bottom_margin () const
	Gets the bottom margin for text in the text_view.
void	set_indent (int indent)
	Sets the default indentation for paragraphs in text_view.
int	get_indent () const
	Gets the default indentation of paragraphs in text_view.
void	set_tabs (Pango::TabArray & tabs)
	Sets the default tab stops for paragraphs in text_view.
Pango::TabArray	get_tabs () const
	Gets the default tabs for text_view.
TextAttributes	get_default_attributes () const
	Obtains a copy of the default text attributes.
void	set_overwrite (bool overwrite=true)
	Changes the Gtk::TextView overwrite mode.
bool	get_overwrite () const
	Returns whether the Gtk::TextView is in overwrite mode or not.
void	set_accepts_tab (bool accepts_tab=true)
	Sets the behavior of the text widget when the Tab key is pressed.
bool	get_accepts_tab () const
	Returns whether pressing the Tab key inserts a tab characters.
void	set_input_purpose (InputPurpose purpose)
	Sets the Gtk::TextView::property_input_purpose() property which can be used by on-screen keyboards and other input methods to adjust their behaviour.
InputPurpose	get_input_purpose () const
	Gets the value of the Gtk::TextView::property_input_purpose() property.
void	set_input_hints (InputHints hints)
	Sets the Gtk::TextView::property_input_hints() property, which allows input methods to fine-tune their behaviour.
InputHints	get_input_hints () const
	Gets the value of the Gtk::TextView::property_input_hints() property.
void	set_monospace (bool monospace=true)
	Sets the Gtk::TextView::property_monospace() property, which indicates that the text view should use monospace fonts.
bool	get_monospace () const
	Gets the value of the Gtk::TextView::property_monospace() property.
Glib::SignalProxy< void, Menu * >	signal_populate_popup ()
Glib::SignalProxy< void >	signal_set_anchor ()
Glib::SignalProxy< void, const Glib::ustring & >	signal_insert_at_cursor ()
Glib::PropertyProxy< int >	property_pixels_above_lines ()
	Pixels of blank space above paragraphs.
Glib::PropertyProxy_ReadOnly< int >	property_pixels_above_lines () const
	Pixels of blank space above paragraphs.
Glib::PropertyProxy< int >	property_pixels_below_lines ()
	Pixels of blank space below paragraphs.
Glib::PropertyProxy_ReadOnly< int >	property_pixels_below_lines () const
	Pixels of blank space below paragraphs.
Glib::PropertyProxy< int >	property_pixels_inside_wrap ()
	Pixels of blank space between wrapped lines in a paragraph.
Glib::PropertyProxy_ReadOnly< int >	property_pixels_inside_wrap () const
	Pixels of blank space between wrapped lines in a paragraph.
Glib::PropertyProxy< bool >	property_editable ()
	Whether the text can be modified by the user.
Glib::PropertyProxy_ReadOnly< bool >	property_editable () const
	Whether the text can be modified by the user.
Glib::PropertyProxy< WrapMode >	property_wrap_mode ()
	Whether to wrap lines never, at word boundaries, or at character boundaries.
Glib::PropertyProxy_ReadOnly< WrapMode >	property_wrap_mode () const
	Whether to wrap lines never, at word boundaries, or at character boundaries.
Glib::PropertyProxy< Justification >	property_justification ()
	Left, right, or center justification.
Glib::PropertyProxy_ReadOnly< Justification >	property_justification () const
	Left, right, or center justification.
Glib::PropertyProxy< int >	property_left_margin ()
	The default left margin for text in the text view.
Glib::PropertyProxy_ReadOnly< int >	property_left_margin () const
	The default left margin for text in the text view.
Glib::PropertyProxy< int >	property_right_margin ()
	The default right margin for text in the text view.
Glib::PropertyProxy_ReadOnly< int >	property_right_margin () const
	The default right margin for text in the text view.
Glib::PropertyProxy< int >	property_top_margin ()
	The top margin for text in the text view.
Glib::PropertyProxy_ReadOnly< int >	property_top_margin () const
	The top margin for text in the text view.
Glib::PropertyProxy< int >	property_bottom_margin ()
	The bottom margin for text in the text view.
Glib::PropertyProxy_ReadOnly< int >	property_bottom_margin () const
	The bottom margin for text in the text view.
Glib::PropertyProxy< int >	property_indent ()
	Amount to indent the paragraph, in pixels.
Glib::PropertyProxy_ReadOnly< int >	property_indent () const
	Amount to indent the paragraph, in pixels.
Glib::PropertyProxy< Pango::TabArray >	property_tabs ()
	Custom tabs for this text.
Glib::PropertyProxy_ReadOnly< Pango::TabArray >	property_tabs () const
	Custom tabs for this text.
Glib::PropertyProxy< bool >	property_cursor_visible ()
	If the insertion cursor is shown.
Glib::PropertyProxy_ReadOnly< bool >	property_cursor_visible () const
	If the insertion cursor is shown.
Glib::PropertyProxy< Glib::RefPtr< TextBuffer > >	property_buffer ()
	The buffer which is displayed.
Glib::PropertyProxy_ReadOnly< Glib::RefPtr< TextBuffer > >	property_buffer () const
	The buffer which is displayed.
Glib::PropertyProxy< bool >	property_overwrite ()
	Whether entered text overwrites existing contents.
Glib::PropertyProxy_ReadOnly< bool >	property_overwrite () const
	Whether entered text overwrites existing contents.
Glib::PropertyProxy< bool >	property_accepts_tab ()
	Whether Tab will result in a tab character being entered.
Glib::PropertyProxy_ReadOnly< bool >	property_accepts_tab () const
	Whether Tab will result in a tab character being entered.
Glib::PropertyProxy< Glib::ustring >	property_im_module ()
	Which IM (input method) module should be used for this text_view.
Glib::PropertyProxy_ReadOnly< Glib::ustring >	property_im_module () const
	Which IM (input method) module should be used for this text_view.
Glib::PropertyProxy< InputPurpose >	property_input_purpose ()
	The purpose of this text field.
Glib::PropertyProxy_ReadOnly< InputPurpose >	property_input_purpose () const
	The purpose of this text field.
Glib::PropertyProxy< InputHints >	property_input_hints ()
	Additional hints (beyond Gtk::TextView::property_input_purpose()) that allow input methods to fine-tune their behaviour.
Glib::PropertyProxy_ReadOnly< InputHints >	property_input_hints () const
	Additional hints (beyond Gtk::TextView::property_input_purpose()) that allow input methods to fine-tune their behaviour.
Glib::PropertyProxy< bool >	property_populate_all ()
	If :populate-all is true, the Gtk::TextView::signal_populate_popup() signal is also emitted for touch popups.
Glib::PropertyProxy_ReadOnly< bool >	property_populate_all () const
	If :populate-all is true, the Gtk::TextView::signal_populate_popup() signal is also emitted for touch popups.
Glib::PropertyProxy< bool >	property_monospace ()
	Whether to use a monospace font.
Glib::PropertyProxy_ReadOnly< bool >	property_monospace () const
	Whether to use a monospace font.
Public Member Functions inherited from Gtk::Container
	Container (Container && src) noexcept
Container &	operator= (Container && src) noexcept
	Container (const Container &)=delete
Container &	operator= (const Container &)=delete
	~Container () noexcept override
GtkContainer *	gobj ()
	Provides access to the underlying C GObject.
const GtkContainer *	gobj () const
	Provides access to the underlying C GObject.
void	set_border_width (guint border_width)
	Sets the border width of the container.
guint	get_border_width () const
	Retrieves the border width of the container.
virtual void	add (Widget & widget)
	Adds widget to container.
void	remove (Widget & widget)
	Removes widget from the container.
void	set_resize_mode (ResizeMode resize_mode)
	Sets the resize mode for the container.
ResizeMode	get_resize_mode () const
	Returns the resize mode for the container.
void	check_resize ()
	Request that contained widgets check their size.
void	foreach (const ForeachSlot & slot)
	Operate on contained items.
void	forall (const ForeachSlot & slot)
	Operate on contained items, including internal children.
std::vector< Widget * >	get_children ()
	Returns the container’s non-internal children.
std::vector< const Widget * >	get_children () const
	Returns the container’s non-internal children.
void	propagate_draw (Widget & child, const ::Cairo::RefPtr< ::Cairo::Context > & cr)
	When a container receives a call to the draw function, it must send synthetic Gtk::Widget::signal_draw() calls to all children that don’t have their own Gdk::Windows.
void	set_focus_chain (const std::vector< Widget * > & focusable_widgets)
	Sets a focus chain, overriding the one computed automatically by GTK+.
bool	has_focus_chain () const
std::vector< Widget * >	get_focus_chain ()
std::vector< const Widget * >	get_focus_chain () const
void	unset_focus_chain ()
	Removes a focus chain explicitly set with set_focus_chain().
void	set_reallocate_redraws (bool needs_redraws=true)
	Sets the reallocate_redraws flag of the container to the given value.
void	set_focus_child (Widget & widget)
	Sets the focus on a child.
Widget *	get_focus_child ()
	Returns the current focus child widget inside container.
const Widget *	get_focus_child () const
	Returns the current focus child widget inside container.
void	set_focus_vadjustment (const Glib::RefPtr< Adjustment > & adjustment)
	Hooks up an adjustment to focus handling in a container, so when a child of the container is focused, the adjustment is scrolled to show that widget.
Glib::RefPtr< Adjustment >	get_focus_vadjustment ()
	Retrieves the vertical focus adjustment for the container.
Glib::RefPtr< const Adjustment >	get_focus_vadjustment () const
	Retrieves the vertical focus adjustment for the container.
void	set_focus_hadjustment (const Glib::RefPtr< Adjustment > & adjustment)
	Hooks up an adjustment to focus handling in a container, so when a child of the container is focused, the adjustment is scrolled to show that widget.
Glib::RefPtr< Adjustment >	get_focus_hadjustment ()
	Retrieves the horizontal focus adjustment for the container.
Glib::RefPtr< const Adjustment >	get_focus_hadjustment () const
	Retrieves the horizontal focus adjustment for the container.
void	resize_children ()
GType	child_type () const
	Returns the type of the children supported by the container.
WidgetPath	get_path_for_child (const Widget & child) const
	Returns a newly created widget path representing all the widget hierarchy from the toplevel down to and including child.
Glib::SignalProxy< void, Widget * >	signal_add ()
Glib::SignalProxy< void, Widget * >	signal_remove ()
Glib::SignalProxy< void >	signal_check_resize ()
Glib::SignalProxy< void, Widget * >	signal_set_focus_child ()
void	show_all_children (bool recursive=true)
Public Member Functions inherited from Gtk::Widget
	Widget (Widget && src) noexcept
Widget &	operator= (Widget && src) noexcept
	Widget (const Widget &)=delete
Widget &	operator= (const Widget &)=delete
	~Widget () noexcept override
	Destroys the widget.
GtkWidget *	gobj ()
	Provides access to the underlying C GObject.
const GtkWidget *	gobj () const
	Provides access to the underlying C GObject.
void	show ()
	Flags a widget to be displayed.
void	show_now ()
	Shows a widget.
void	hide ()
	Reverses the effects of show(), causing the widget to be hidden (invisible to the user).
void	show_all ()
	Recursively shows a widget, and any child widgets (if the widget is a container).
void	queue_draw ()
	Equivalent to calling queue_draw_area() for the entire area of a widget.
void	queue_draw_area (int x, int y, int width, int height)
	Convenience function that calls queue_draw_region() on the region created from the given coordinates.
void	queue_draw_region (const ::Cairo::RefPtr< const ::Cairo::Region > & region)
	Invalidates the area of widget defined by region by calling gdk_window_invalidate_region() on the widget’s window and all its child windows.
void	queue_resize ()
	This function is only for use in widget implementations.
void	queue_allocate ()
	This function is only for use in widget implementations.
void	size_allocate (const Allocation & allocation)
	This function is only used by Gtk::Container subclasses, to assign a size and position to their child widgets.
void	size_allocate (const Allocation & allocation, int baseline)
	This function is only used by Gtk::Container subclasses, to assign a size, position and (optionally) baseline to their child widgets.
SizeRequestMode	get_request_mode () const
	Gets whether the widget prefers a height-for-width layout or a width-for-height layout.
void	get_preferred_width (int & minimum_width, int & natural_width) const
	Retrieves a widget’s initial minimum and natural width.
void	get_preferred_height_for_width (int width, int & minimum_height, int & natural_height) const
	Retrieves a widget’s minimum and natural height if it would be given the specified width.
void	get_preferred_height_for_width (int width, int & minimum_height, int & natural_height, int & minimum_baseline, int & natural_baseline) const
	Retrieves a widget’s minimum and natural height and the corresponding baselines if it would be given the specified width, or the default height if width is -1.
void	get_preferred_height (int & minimum_height, int & natural_height) const
	Retrieves a widget’s initial minimum and natural height.
void	get_preferred_width_for_height (int height, int & minimum_width, int & natural_width) const
	Retrieves a widget’s minimum and natural width if it would be given the specified height.
void	get_preferred_size (Requisition & minimum_size, Requisition & natural_size) const
	Retrieves the minimum and natural size of a widget, taking into account the widget’s preference for height-for-width management.
void	add_accelerator (const Glib::ustring & accel_signal, const Glib::RefPtr< AccelGroup > & accel_group, guint accel_key, Gdk::ModifierType accel_mods, AccelFlags accel_flags)
	Installs an accelerator for this widget in accel_group that causes accel_signal to be emitted if the accelerator is activated.
bool	remove_accelerator (const Glib::RefPtr< AccelGroup > & accel_group, guint accel_key, Gdk::ModifierType accel_mods)
	Removes an accelerator from widget, previously installed with add_accelerator().
void	set_accel_path (const Glib::ustring & accel_path, const Glib::RefPtr< AccelGroup > & accel_group)
	Given an accelerator group, accel_group, and an accelerator path, accel_path, sets up an accelerator in accel_group so whenever the key binding that is defined for accel_path is pressed, widget will be activated.
bool	mnemonic_activate (bool group_cycling)
	Emits the Gtk::Widget::signal_mnemonic_activate() signal.
bool	event (GdkEvent * gdk_event)
	Rarely-used function.
int	send_expose (GdkEvent * gdk_event)
	Very rarely-used function.
bool	send_focus_change (GdkEvent * gdk_event)
	Sends the focus change gdk_event to widget.
bool	activate ()
	For widgets that can be “activated” (buttons, menu items, etc.) this function activates them.
void	reparent (Widget & new_parent)
	Moves a widget from one Gtk::Container to another, handling reference count issues to avoid destroying the widget.
bool	intersect (const Gdk::Rectangle & area) const
bool	intersect (const Gdk::Rectangle & area, Gdk::Rectangle & intersection) const
	Computes the intersection of a widget’s area and area, storing the intersection in intersection, and returns true if there was an intersection.
::Cairo::RefPtr< ::Cairo::Region >	region_intersect (const ::Cairo::RefPtr< ::Cairo::Region > & region) const
	Computes the intersection of a widget’s area and region, returning the intersection.
void	freeze_child_notify ()
	Stops emission of Gtk::Widget::signal_child_notify() signals on widget.
void	child_notify (const Glib::ustring & child_property)
	Emits a Gtk::Widget::signal_child_notify() signal for the [child property][child-properties] child_property on widget.
void	thaw_child_notify ()
	Reverts the effect of a previous call to freeze_child_notify().
void	set_can_focus (bool can_focus=true)
	Specifies whether widget can own the input focus.
bool	get_can_focus () const
	Determines whether widget can own the input focus.
bool	has_focus () const
	Determines if the widget has the global input focus.
bool	is_focus () const
	Determines if the widget is the focus widget within its toplevel.
bool	has_visible_focus () const
	Determines if the widget should show a visible indication that it has the global input focus.
void	grab_focus ()
	Causes widget to have the keyboard focus for the Gtk::Window it's inside.
void	set_focus_on_click (bool focus_on_click=true)
	Sets whether the widget should grab focus when it is clicked with the mouse.
bool	get_focus_on_click () const
	Returns whether the widget should grab focus when it is clicked with the mouse.
void	set_can_default (bool can_default=true)
	Specifies whether widget can be a default widget.
bool	get_can_default () const
	Determines whether widget can be a default widget.
bool	has_default () const
	Determines whether widget is the current default widget within its toplevel.
void	grab_default ()
	Causes widget to become the default widget.
void	set_receives_default (bool receives_default=true)
	Specifies whether widget will be treated as the default widget within its toplevel when it has the focus, even if another widget is the default.
bool	get_receives_default () const
	Determines whether widget is always treated as the default widget within its toplevel when it has the focus, even if another widget is the default.
bool	has_grab () const
	Determines whether the widget is currently grabbing events, so it is the only widget receiving input events (keyboard and mouse).
bool	device_is_shadowed (const Glib::RefPtr< const Gdk::Device > & device)
	Returns true if device has been shadowed by a GTK+ device grab on another widget, so it would stop sending events to widget.
void	add_modal_grab ()
	Block events to everything else than this widget and its children.
void	remove_modal_grab ()
	Remove the modal grab of the widget in case it was previously grabbed.
void	set_name (const Glib::ustring & name)
	Widgets can be named, which allows you to refer to them from a CSS file.
void	unset_name ()
Glib::ustring	get_name () const
	Retrieves the name of a widget.
void	set_state (StateType state)
	This function is for use in widget implementations.
StateType	get_state () const
	Returns the widget’s state.
void	set_state_flags (StateFlags flags, bool clear=true)
	This function is for use in widget implementations.
void	unset_state_flags (StateFlags flags)
	This function is for use in widget implementations.
StateFlags	get_state_flags () const
	Returns the widget state as a flag set.
void	set_sensitive (bool sensitive=true)
	Sets the sensitivity of a widget.
bool	get_sensitive () const
	Returns the widget’s sensitivity (in the sense of returning the value that has been set using set_sensitive()).
bool	is_sensitive () const
	Returns the widget’s effective sensitivity, which means it is sensitive itself and also its parent widget is sensitive.
void	set_visible (bool visible=true)
	Sets the visibility state of widget.
bool	get_visible () const
	Determines whether the widget is visible.
bool	is_visible () const
	Determines whether the widget and all its parents are marked as visible.
bool	get_has_window () const
	Determines whether widget has a Gdk::Window of its own.
bool	get_is_toplevel () const
	Determines whether widget is a toplevel widget.
bool	get_is_drawable () const
	Determines whether widget can be drawn to.
bool	get_realized () const
	Determines whether widget is realized.
bool	get_mapped () const
	Whether the widget is mapped.
void	set_app_paintable (bool app_paintable=true)
	Sets whether the application intends to draw on the widget in an Gtk::Widget::signal_draw() handler.
bool	get_app_paintable () const
	Determines whether the application intends to draw on the widget in an Gtk::Widget::signal_draw() handler.
void	set_double_buffered (bool double_buffered=true)
	Widgets are double buffered by default; you can use this function to turn off the buffering.
bool	get_double_buffered () const
	Determines whether the widget is double buffered.
void	set_redraw_on_allocate (bool redraw_on_allocate=true)
	Sets whether the entire widget is queued for drawing when its size allocation changes.
void	set_child_visible (bool visible=true)
	Sets whether widget should be mapped along with its when its parent is mapped and widget has been shown with show().
bool	get_child_visible () const
	Gets the value set with set_child_visible().
Glib::RefPtr< Gdk::Window >	get_window ()
	Returns the widget’s window if it is realized, nullptr otherwise.
Glib::RefPtr< const Gdk::Window >	get_window () const
	Returns the widget’s window if it is realized, nullptr otherwise.
void	register_window (const Glib::RefPtr< Gdk::Window > & window)
	Registers a Gdk::Window with the widget and sets it up so that the widget receives events for it.
void	unregister_window (const Glib::RefPtr< Gdk::Window > & window)
	Unregisters a Gdk::Window from the widget that was previously set up with register_window().
int	get_allocated_width () const
	Returns the width that has currently been allocated to widget.
int	get_allocated_height () const
	Returns the height that has currently been allocated to widget.
int	get_allocated_baseline () const
	Returns the baseline that has currently been allocated to widget.
void	get_allocated_size (Allocation & allocation, int & baseline) const
	Retrieves the widget’s allocated size.
Allocation	get_allocation () const
	Retrieves the widget's location.
void	set_allocation (const Allocation & allocation)
	Sets the widget’s allocation.
void	set_clip (const Allocation & clip)
	Sets the widget’s clip.
Allocation	get_clip () const
	Retrieves the widget’s clip area.
Container *	get_parent ()
	Returns the parent container of widget.
const Container *	get_parent () const
	Returns the parent container of widget.
Glib::RefPtr< Gdk::Window >	get_parent_window ()
	Gets widget’s parent window, or nullptr if it does not have one.
Glib::RefPtr< const Gdk::Window >	get_parent_window () const
	Gets widget’s parent window, or nullptr if it does not have one.
void	set_parent_window (const Glib::RefPtr< const Gdk::Window > & parent_window)
	Sets a non default parent window for widget.
bool	child_focus (DirectionType direction)
	This function is used by custom widget implementations; if you're writing an app, you’d use grab_focus() to move the focus to a particular widget, and Gtk::Container::set_focus_chain() to change the focus tab order.
bool	keynav_failed (DirectionType direction)
	This function should be called whenever keyboard navigation within a single widget hits a boundary.
void	error_bell ()
	Notifies the user about an input-related error on this widget.
void	set_size_request (int width=-1, int height=-1)
	Sets the minimum size of a widget; that is, the widget’s size request will be at least width by height.
void	get_size_request (int & width, int & height) const
	Gets the size request that was explicitly set for the widget using set_size_request().
void	set_events (Gdk::EventMask events)
	Sets the event mask (see Gdk::EventMask) for a widget.
void	add_events (Gdk::EventMask events)
	Adds the events in the bitfield events to the event mask for widget.
void	set_device_events (const Glib::RefPtr< const Gdk::Device > & device, Gdk::EventMask events)
	Sets the device event mask (see Gdk::EventMask) for a widget.
void	add_device_events (const Glib::RefPtr< const Gdk::Device > & device, Gdk::EventMask events)
	Adds the device events in the bitfield events to the event mask for widget.
void	set_opacity (double opacity)
	Request the widget to be rendered partially transparent, with opacity 0 being fully transparent and 1 fully opaque.
double	get_opacity () const
	Fetches the requested opacity for this widget.
void	set_device_enabled (const Glib::RefPtr< Gdk::Device > & device, bool enabled=true)
	Enables or disables a Gdk::Device to interact with widget and all its children.
bool	get_device_enabled (const Glib::RefPtr< const Gdk::Device > & device) const
	Returns whether device can interact with widget and its children.
Container *	get_toplevel ()
	This function returns the topmost widget in the container hierarchy widget is a part of.
const Container *	get_toplevel () const
	This function returns the topmost widget in the container hierarchy widget is a part of.
Widget *	get_ancestor (GType widget_type)
	Gets the first ancestor of widget with type widget_type.
const Widget *	get_ancestor (GType widget_type) const
	Gets the first ancestor of widget with type widget_type.
Glib::RefPtr< Gdk::Visual >	get_visual ()
	Gets the visual that will be used to render widget.
Glib::RefPtr< Gdk::Screen >	get_screen ()
	Get the Gdk::Screen from the toplevel window associated with this widget.
Glib::RefPtr< const Gdk::Screen >	get_screen () const
	Get the Gdk::Screen from the toplevel window associated with this widget.
bool	has_screen () const
	Checks whether there is a Gdk::Screen is associated with this widget.
int	get_scale_factor () const
	Retrieves the internal scale factor that maps from window coordinates to the actual device pixels.
Glib::RefPtr< Gdk::Display >	get_display ()
	Get the Gdk::Display for the toplevel window associated with this widget.
Glib::RefPtr< const Gdk::Display >	get_display () const
	Get the Gdk::Display for the toplevel window associated with this widget.
Glib::RefPtr< Gdk::Window >	get_root_window ()
	Get the root window where this widget is located.
Glib::RefPtr< const Gdk::Window >	get_root_window () const
	Get the root window where this widget is located.
Glib::RefPtr< Settings >	get_settings ()
	Gets the settings object holding the settings used for this widget.
Glib::RefPtr< Clipboard >	get_clipboard (const Glib::ustring & selection)
	Returns the clipboard object for the given selection to be used with widget.
Glib::RefPtr< const Clipboard >	get_clipboard (const Glib::ustring & selection) const
	Returns the clipboard object for the given selection to be used with widget.
bool	get_hexpand () const
	Gets whether the widget would like any available extra horizontal space.
void	set_hexpand (bool expand=true)
	Sets whether the widget would like any available extra horizontal space.
bool	get_hexpand_set () const
	Gets whether set_hexpand() has been used to explicitly set the expand flag on this widget.
void	set_hexpand_set (bool set=true)
	Sets whether the hexpand flag (see get_hexpand()) will be used.
bool	get_vexpand () const
	Gets whether the widget would like any available extra vertical space.
void	set_vexpand (bool expand=true)
	Sets whether the widget would like any available extra vertical space.
bool	get_vexpand_set () const
	Gets whether set_vexpand() has been used to explicitly set the expand flag on this widget.
void	set_vexpand_set (bool set=true)
	Sets whether the vexpand flag (see get_vexpand()) will be used.
void	queue_compute_expand ()
	Mark widget as needing to recompute its expand flags.
bool	compute_expand (Orientation orientation)
	Computes whether a container should give this widget extra space when possible.
bool	get_support_multidevice () const
	Returns true if widget is multiple pointer aware.
void	set_support_multidevice (bool support_multidevice=true)
	Enables or disables multiple pointer awareness.
Glib::RefPtr< Atk::Object >	get_accessible ()
	Returns the accessible object that describes the widget to an assistive technology.
Glib::RefPtr< const Atk::Object >	get_accessible () const
	Returns the accessible object that describes the widget to an assistive technology.
Align	get_halign () const
	Gets the value of the Gtk::Widget::property_halign() property.
void	set_halign (Align align)
	Sets the horizontal alignment of widget.
Align	get_valign () const
	Gets the value of the Gtk::Widget::property_valign() property.
Align	get_valign_with_baseline () const
	Gets the value of the Gtk::Widget::property_valign() property, including Gtk::ALIGN_BASELINE.
void	set_valign (Align align)
	Sets the vertical alignment of widget.
int	get_margin_left () const
	Gets the value of the Gtk::Widget::property_margin_left() property.
void	set_margin_left (int margin)
	Sets the left margin of widget.
int	get_margin_right () const
	Gets the value of the Gtk::Widget::property_margin_right() property.
void	set_margin_right (int margin)
	Sets the right margin of widget.
int	get_margin_start () const
	Gets the value of the Gtk::Widget::property_margin_start() property.
void	set_margin_start (int margin)
	Sets the start margin of widget.
int	get_margin_end () const
	Gets the value of the Gtk::Widget::property_margin_end() property.
void	set_margin_end (int margin)
	Sets the end margin of widget.
int	get_margin_top () const
	Gets the value of the Gtk::Widget::property_margin_top() property.
void	set_margin_top (int margin)
	Sets the top margin of widget.
int	get_margin_bottom () const
	Gets the value of the Gtk::Widget::property_margin_bottom() property.
void	set_margin_bottom (int margin)
	Sets the bottom margin of widget.
Gdk::EventMask	get_events () const
	Returns the event mask (see Gdk::EventMask) for the widget.
Gdk::EventMask	get_device_events (const Glib::RefPtr< const Gdk::Device > & device) const
	Returns the events mask for the widget corresponding to an specific device.
void	get_pointer (int & x, int & y) const
	Obtains the location of the mouse pointer in widget coordinates.
bool	is_ancestor (Widget & ancestor) const
	Determines whether widget is somewhere inside ancestor, possibly with intermediate containers.
bool	translate_coordinates (Widget & dest_widget, int src_x, int src_y, int & dest_x, int & dest_y)
	Translate coordinates relative to src_widget’s allocation to coordinates relative to dest_widget’s allocations.
void	override_color (const Gdk::RGBA & color, StateFlags state=STATE_FLAG_NORMAL)
	Sets the color to use for a widget.
void	unset_color (StateFlags state=STATE_FLAG_NORMAL)
	Undoes the effect of previous calls to override_color().
void	override_background_color (const Gdk::RGBA & color, StateFlags state=STATE_FLAG_NORMAL)
	Sets the background color to use for a widget.
void	unset_background_color (StateFlags state=STATE_FLAG_NORMAL)
	Undoes the effect of previous calls to override_background_color().
void	override_font (const Pango::FontDescription & font_desc)
	Sets the font to use for a widget.
void	unset_font ()
	Undoes the effect of previous calls to override_font().
void	override_symbolic_color (const Glib::ustring & name, const Gdk::RGBA & color)
	Sets a symbolic color for a widget.
void	unset_symbolic_color (const Glib::ustring & name)
	Undoes the effect of previous calls to override_symbolic_color().
void	override_cursor (const Gdk::RGBA & cursor, const Gdk::RGBA & secondary_cursor)
	Sets the cursor color to use in a widget, overriding the cursor-color and secondary-cursor-color style properties.
void	unset_cursor ()
	Undoes the effect of previous calls to override_cursor().
void	reset_style ()
	Updates the style context of widget and all descendants by updating its widget path.
template<class PropertyType >
void	get_style_property (const Glib::ustring & the_property_name, PropertyType & value) const
	Gets the value of a style property of widget.
Glib::RefPtr< Pango::Context >	create_pango_context ()
	Creates a new Pango::Context with the appropriate font map, font options, font description, and base direction for drawing text for this widget.
Glib::RefPtr< Pango::Context >	get_pango_context ()
	Gets a Pango::Context with the appropriate font map, font description, and base direction for this widget.
void	set_font_options (const ::Cairo::FontOptions & options)
	Sets the #cairo_font_options_t used for Pango rendering in this widget.
void	unset_font_options ()
	Undoes the effect of previous calls to set_font_options().
::Cairo::FontOptions	get_font_options () const
	Returns the #cairo_font_options_t used for Pango rendering.
Glib::RefPtr< Pango::Layout >	create_pango_layout (const Glib::ustring & text)
	Creates a new Pango::Layout with the appropriate font map, font description, and base direction for drawing text for this widget.
Glib::RefPtr< Gdk::Pixbuf >	render_icon_pixbuf (const StockID & stock_id, IconSize size)
	A convenience function that uses the theme engine and style settings for widget to look up stock_id and render it to a pixbuf.
void	set_composite_name (const Glib::ustring & name)
	Sets a widgets composite name.
void	unset_composite_name ()
Glib::ustring	get_composite_name () const
	Obtains the composite name of a widget.
void	set_direction (TextDirection dir)
	Sets the reading direction on a particular widget.
TextDirection	get_direction () const
	Gets the reading direction for a particular widget.
void	shape_combine_region (const ::Cairo::RefPtr< const ::Cairo::Region > & region)
	Sets a shape for this widget’s GDK window.
void	input_shape_combine_region (const ::Cairo::RefPtr< const ::Cairo::Region > & region)
	Sets an input shape for this widget’s GDK window.
WidgetPath	get_path () const
	Returns the Gtk::WidgetPath representing widget, if the widget is not connected to a toplevel widget, a partial path will be created.
std::vector< Widget * >	list_mnemonic_labels ()
	Returns a newly allocated list of the widgets, normally labels, for which this widget is the target of a mnemonic (see for example, Gtk::Label::set_mnemonic_widget()).
std::vector< const Widget * >	list_mnemonic_labels () const
	Returns a newly allocated list of the widgets, normally labels, for which this widget is the target of a mnemonic (see for example, Gtk::Label::set_mnemonic_widget()).
void	add_mnemonic_label (Widget & label)
	Adds a widget to the list of mnemonic labels for this widget.
void	remove_mnemonic_label (Widget & label)
	Removes a widget from the list of mnemonic labels for this widget.
void	drag_get_data (const Glib::RefPtr< Gdk::DragContext > & context, const Glib::ustring & target, guint32 time)
void	drag_highlight ()
void	drag_unhighlight ()
void	drag_dest_set (DestDefaults flags=DestDefaults(0), Gdk::DragAction actions=Gdk::DragAction(0))
void	drag_dest_set (const std::vector< TargetEntry > & targets, DestDefaults flags=DEST_DEFAULT_ALL, Gdk::DragAction actions=Gdk::ACTION_COPY)
void	drag_dest_set_proxy (const Glib::RefPtr< Gdk::Window > & proxy_window, Gdk::DragProtocol protocol, bool use_coordinates)
	Sets this widget as a proxy for drops to another window.
void	drag_dest_unset ()
	Clears information about a drop destination set with gtk_drag_dest_set().
Glib::ustring	drag_dest_find_target (const Glib::RefPtr< Gdk::DragContext > & context, const Glib::RefPtr< TargetList > & target_list) const
	Looks for a match between context->targets and the dest_target_list, returning the first matching target, otherwise returning GDK_NONE.
Glib::ustring	drag_dest_find_target (const Glib::RefPtr< Gdk::DragContext > & context) const
Glib::RefPtr< TargetList >	drag_dest_get_target_list ()
	Returns the list of targets this widget can accept from drag-and-drop.
Glib::RefPtr< const TargetList >	drag_dest_get_target_list () const
	Returns the list of targets this widget can accept from drag-and-drop.
void	drag_dest_set_target_list (const Glib::RefPtr< TargetList > & target_list)
	Sets the target types that this widget can accept from drag-and-drop.
void	drag_dest_add_text_targets ()
	Add the text targets supported by Gtk::SelectionData to the target list of the drag destination.
void	drag_dest_add_image_targets ()
	Add the image targets supported by Gtk::SelectionData to the target list of the drag destination.
void	drag_dest_add_uri_targets ()
	Add the URI targets supported by Gtk::SelectionData to the target list of the drag destination.
void	drag_source_set (const std::vector< TargetEntry > & targets, Gdk::ModifierType start_button_mask=Gdk::MODIFIER_MASK, Gdk::DragAction actions=Gdk::ACTION_COPY)
void	drag_source_unset ()
	Undoes the effects of gtk_drag_source_set().
void	drag_source_set_icon (const Glib::RefPtr< Gdk::Pixbuf > & pixbuf)
	Sets the icon that will be used for drags from a particular widget from a Gdk::Pixbuf.
void	drag_source_set_icon (const StockID & stock_id)
	Sets the icon that will be used for drags from a particular source to a stock icon.
void	drag_source_set_icon (const Glib::ustring & icon_name)
	Sets the icon that will be used for drags from a particular source to a themed icon.
void	drag_source_add_text_targets ()
	Add the text targets supported by Gtk::SelectionData to the target list of the drag source.
void	drag_source_add_uri_targets ()
	Add the URI targets supported by Gtk::SelectionData to the target list of the drag source.
void	drag_source_add_image_targets ()
	Add the writable image targets supported by Gtk::SelectionData to the target list of the drag source.
Glib::RefPtr< Gdk::DragContext >	drag_begin (const Glib::RefPtr< TargetList > & targets, Gdk::DragAction actions, int button, GdkEvent * gdk_event)
Glib::RefPtr< Gdk::DragContext >	drag_begin (const Glib::RefPtr< TargetList > & targets, Gdk::DragAction actions, int button, GdkEvent * gdk_event, int x, int y)
bool	drag_check_threshold (int start_x, int start_y, int current_x, int current_y)
void	drag_set_as_icon (const Glib::RefPtr< Gdk::DragContext > & context, int hot_x, int hot_y)
void	queue_resize_no_redraw ()
	This function works like queue_resize(), except that the widget is not invalidated.
Glib::RefPtr< Gdk::FrameClock >	get_frame_clock ()
	Obtains the frame clock for a widget.
Glib::RefPtr< const Gdk::FrameClock >	get_frame_clock () const
	Obtains the frame clock for a widget.
bool	get_no_show_all () const
	Returns the current value of the Gtk::Widget::property_no_show_all() property, which determines whether calls to show_all() will affect this widget.
void	set_no_show_all (bool no_show_all=true)
	Sets the Gtk::Widget::property_no_show_all() property, which determines whether calls to show_all() will affect this widget.
void	set_parent (Widget & parent)
	This function is useful only when implementing subclasses of Gtk::Container.
void	unparent ()
	This function is only for use in widget implementations.
void	map ()
	This function is only for use in widget implementations.
void	unmap ()
	This function is only for use in widget implementations.
void	draw_insertion_cursor (const ::Cairo::RefPtr< ::Cairo::Context > & cr, const Gdk::Rectangle & location, bool is_primary, TextDirection direction, bool draw_arrow=true)
	Draws a text caret on cr at location.
void	set_tooltip_window (Window & custom_window)
	Replaces the default window used for displaying tooltips with custom_window.
Window *	get_tooltip_window ()
	Returns the Gtk::Window of the current tooltip.
void	trigger_tooltip_query ()
	Triggers a tooltip query on the display where the toplevel of widget is located.
void	set_tooltip_text (const Glib::ustring & text)
	Sets text as the contents of the tooltip.
Glib::ustring	get_tooltip_text () const
	Gets the contents of the tooltip for widget.
void	set_tooltip_markup (const Glib::ustring & markup)
	Sets markup as the contents of the tooltip, which is marked up with the Pango text markup language.
Glib::ustring	get_tooltip_markup () const
	Gets the contents of the tooltip for widget.
void	set_has_tooltip (bool has_tooltip=TRUE)
	Sets the has-tooltip property on widget to has_tooltip.
bool	get_has_tooltip () const
	Returns the current value of the has-tooltip property.
int	get_width () const
int	get_height () const
bool	is_composited () const
	Whether widget can rely on having its alpha channel drawn correctly.
bool	in_destruction () const
	Returns whether the widget is currently being destroyed.
Glib::RefPtr< StyleContext >	get_style_context ()
	Returns the style context associated to widget.
Glib::RefPtr< Gtk::StyleContext >	get_style_context () const
	Returns the style context associated to widget.
Gdk::ModifierType	get_modifier_mask (Gdk::ModifierIntent intent)
	Returns the modifier mask the widget’s windowing system backend uses for a particular purpose.
guint	add_tick_callback (const SlotTick & slot)
	Queues an animation frame update and adds a callback to be called before each frame.
void	remove_tick_callback (guint id)
	Removes a tick callback previously registered with add_tick_callback().
void	insert_action_group (const Glib::ustring & name, const Glib::RefPtr< Gio::ActionGroup > & group)
	Inserts group into widget.
void	remove_action_group (const Glib::ustring & name)
	Removes a group from the widget.
Glib::RefPtr< Gio::ActionGroup >	get_action_group (const Glib::ustring & prefix)
	Retrieves the Gio::ActionGroup that was registered using prefix.
Glib::RefPtr< const Gio::ActionGroup >	get_action_group (const Glib::ustring & prefix) const
	Retrieves the Gio::ActionGroup that was registered using prefix.
std::vector< Glib::ustring >	list_action_prefixes () const
	Retrieves a nullptr-terminated array of strings containing the prefixes of Gio::ActionGroup's available to widget.
void	set_font_map (const Glib::RefPtr< Pango::FontMap > & font_map)
	Sets the font map to use for Pango rendering.
Glib::RefPtr< Pango::FontMap >	get_font_map ()
	Gets the font map that has been set with set_font_map().
Glib::RefPtr< const Pango::FontMap >	get_font_map () const
	Gets the font map that has been set with set_font_map().
Glib::SignalProxy< void >	signal_show ()
Glib::SignalProxy< void >	signal_hide ()
Glib::SignalProxy< void >	signal_map ()
	Emitted on mapping of a widget to the screen.
Glib::SignalProxy< void >	signal_unmap ()
Glib::SignalProxy< void >	signal_realize ()
	Emitted on realization of a widget.
Glib::SignalProxy< void >	signal_unrealize ()
Glib::SignalProxy< void, Allocation & >	signal_size_allocate ()
Glib::SignalProxy< void, Gtk::StateType >	signal_state_changed ()
Glib::SignalProxy< void, Gtk::StateFlags >	signal_state_flags_changed ()
Glib::SignalProxy< void, Widget * >	signal_parent_changed ()
	Informs objects that their parent changed.
Glib::SignalProxy< void, Widget * >	signal_hierarchy_changed ()
Glib::SignalProxy< void >	signal_style_updated ()
Glib::SignalProxy< void, TextDirection >	signal_direction_changed ()
Glib::SignalProxy< void, bool >	signal_grab_notify ()
Glib::SignalProxy< void, GParamSpec * >	signal_child_notify ()
Glib::SignalProxyDetailedAnyType< void, GParamSpec * >	signal_child_notify (const Glib::ustring & child_property_name)
Glib::SignalProxy< bool, bool >	signal_mnemonic_activate ()
Glib::SignalProxy< void >	signal_grab_focus ()
Glib::SignalProxy< bool, DirectionType >	signal_focus ()
Glib::SignalProxy< bool, GdkEvent * >	signal_event ()