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Gtk::Label Class Reference
Widgets

A widget that displays a small to medium amount of text. More...

Inheritance diagram for Gtk::Label:
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Collaboration diagram for Gtk::Label:
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## Public Member Functions
virtual | ~Label ()
GtkLabel* | gobj ()
| Provides access to the underlying C GtkObject. More...
const GtkLabel* | gobj () const
| Provides access to the underlying C GtkObject. More...
| Label ()
| Label (const Glib::ustring& label, bool mnemonic=false)
| Label (const Glib::ustring& label, float xalign, float yalign, bool mnemonic=false)
| This constructor is a shortcut for often used code when you want to create a label with alignment different than default one. More...
| Label (const Glib::ustring& label, AlignmentEnum xalign, AlignmentEnum yalign=ALIGN_CENTER, bool mnemonic=false)
| This constructor is a shortcut for often used code when you want to create a label with alignment different than default one. More...
void | set_text (const Glib::ustring& str)
| Doesn't use markup. More...
Glib::ustring | get_text () const
| Fetches the text from a label widget, as displayed on the screen. More...
void | set_attributes (Pango::AttrList& attrs)
| Sets a Pango::AttrList; the attributes in the list are applied to the label text. More...
Pango::AttrList | get_attributes () const
| Gets the attribute list that was set on the label using set_attributes(), if any. More...
void | set_label (const Glib::ustring& str)
| Sets the text of the label. More...
Glib::ustring | get_label () const
| Fetches the text from a label widget including any embedded underlines indicating mnemonics and Pango markup. More...
void | set_markup (const Glib::ustring& str)
| Parses str which is marked up with the Pango text markup language, setting the label's text and attribute list based on the parse results. More...
void | set_use_markup (bool setting=true)
| Sets whether the text of the label contains markup in Pango's text markup language. More...
bool | get_use_markup () const
| Returns whether the label's text is interpreted as marked up with the Pango text markup language. More...
void | set_use_underline (bool setting=true)
| If true, an underline in the text indicates the next character should be used for the mnemonic accelerator key. More...
bool | get_use_underline () const
| Returns whether an embedded underline in the label indicates a mnemonic. More...
void | set_markup_with_mnemonic (const Glib::ustring& str)
| Parses str which is marked up with the Pango text markup language, setting the label's text and attribute list based on the parse results. More...
guint | get_mnemonic_keyval () const
| If the label has been set so that it has an mnemonic key this function returns the keyval used for the mnemonic accelerator. More...
void | set_mnemonic_widget (Widget& widget)
| If the label has been set so that it has an mnemonic key (using i.e. set_markup_with_mnemonic(), set_text_with_mnemonic(), new_with_mnemonic() or the "use_underline" property) the label can be associated with a widget that is the target of the mnemonic. More...
Widget* | get_mnemonic_widget ()
| Retrieves the target of the mnemonic (keyboard shortcut) of this label. More...
const Widget* | get_mnemonic_widget () const
| Retrieves the target of the mnemonic (keyboard shortcut) of this label. More...
void | set_text_with_mnemonic (const Glib::ustring& str)
| Sets the label's text from the string str. More...
void | set_justify (Justification jtype)
| Sets the alignment of the lines in the text of the label relative to each other. More...
Justification | get_justify () const
| Returns the justification of the label. More...
void | set_ellipsize (Pango::EllipsizeMode mode)
| Sets the mode used to ellipsize (add an ellipsis: "...") to the text if there is not enough space to render the entire string. More...
Pango::EllipsizeMode | get_ellipsize () const
| Returns the ellipsizing position of the label. More...
void | set_width_chars (int n_chars)
| Sets the desired width in characters of label to n_chars. More...
int | get_width_chars () const
| Retrieves the desired width of label, in characters. More...
void | set_max_width_chars (int n_chars)
| Sets the desired maximum width in characters of label to n_chars. More...
int | get_max_width_chars () const
| Retrieves the desired maximum width of label, in characters. More...
void | set_pattern (const Glib::ustring& pattern)
void | set_line_wrap (bool wrap=true)
| Toggles line wrapping within the Gtk::Label widget. More...
bool | get_line_wrap () const
| Returns whether lines in the label are automatically wrapped. More...
void | set_line_wrap_mode (Pango::WrapMode wrap_mode)
| If line wrapping is on (see set_line_wrap()) this controls how the line wrapping is done. More...
Pango::WrapMode | get_line_wrap_mode () const
| Returns line wrap mode used by the label. More...
void | set_selectable (bool setting=true)
| Selectable labels allow the user to select text from the label, for copy-and-paste. More...
bool | get_selectable () const
| Gets the value set by set_selectable(). More...
void | set_angle (double angle)
| Sets the angle of rotation for the label. More...
double | get_angle () const
| Gets the angle of rotation for the label. More...
void | select_region (int start_offset, int end_offset)
| Selects a range of characters in the label, if the label is selectable. More...
void | select_region (int start_offset)
| Selects a range of characters in the label, from start_offset to the end, if the label is selectable. More...
bool | get_selection_bounds (int&start, int&end) const
| Gets the selected range of characters in the label, returning `true` if there's a selection. More...
Glib::RefPtr< Pango::Layout > | get_layout ()
| Gets the Pango::Layout used to display the label. More...
Glib::RefPtr< const Pango::Layout > | get_layout () const
| Gets the Pango::Layout used to display the label. More...
void | get_layout_offsets (int& x, int& y) const
| Obtains the coordinates where the label will draw the Pango::Layout representing the text in the label; useful to convert mouse events into coordinates inside the Pango::Layout, e.g. to take some action if some part of the label is clicked. More...
void | set_single_line_mode (bool single_line_mode=true)
| Sets whether the label is in single line mode. More...
bool | get_single_line_mode () const
| Returns whether the label is in single line mode. More...
Glib::ustring | get_current_uri () const
| Returns the URI for the currently active link in the label. More...
void | set_track_visited_links (bool track_links=true)
| Sets whether the label should keep track of clicked links (and use a different color for them). More...
bool | get_track_visited_links () const
| Returns whether the label is currently keeping track of clicked links. More...
Glib::SignalProxy< void, Menu* > | signal_populate_popup ()
Glib::SignalProxy< bool, const Glib::ustring& > | signal_activate_link ()
Glib::PropertyProxy< Glib::ustring > | property_label ()
| The text of the label. More...
Glib::PropertyProxy_ReadOnly< Glib::ustring > | property_label () const
| The text of the label. More...
Glib::PropertyProxy< Pango::AttrList > | property_attributes ()
| A list of style attributes to apply to the text of the label. More...
Glib::PropertyProxy_ReadOnly< Pango::AttrList > | property_attributes () const
| A list of style attributes to apply to the text of the label. More...
Glib::PropertyProxy< bool > | property_use_markup ()
| The text of the label includes XML markup. More...
Glib::PropertyProxy_ReadOnly< bool > | property_use_markup () const
| The text of the label includes XML markup. More...
Glib::PropertyProxy< bool > | property_use_underline ()
| If set, an underline in the text indicates the next character should be used for the mnemonic accelerator key. More...
Glib::PropertyProxy_ReadOnly< bool > | property_use_underline () const
| If set, an underline in the text indicates the next character should be used for the mnemonic accelerator key. More...
Glib::PropertyProxy< Justification > | property_justify ()
| The alignment of the lines in the text of the label relative to each other. More...
Glib::PropertyProxy_ReadOnly< Justification > | property_justify () const
| The alignment of the lines in the text of the label relative to each other. More...
Glib::PropertyProxy_WriteOnly< Glib::ustring > | property_pattern ()
| A string with _ characters in positions correspond to characters in the text to underline. More...
Glib::PropertyProxy< bool > | property_wrap ()
| If set, wrap lines if the text becomes too wide. More...
Glib::PropertyProxy_ReadOnly< bool > | property_wrap () const
| If set, wrap lines if the text becomes too wide. More...
Glib::PropertyProxy< Pango::WrapMode > | property_wrap_mode ()
| If wrap is set, controls how linewrapping is done. More...
Glib::PropertyProxy_ReadOnly< Pango::WrapMode > | property_wrap_mode () const
| If wrap is set, controls how linewrapping is done. More...
Glib::PropertyProxy< bool > | property_selectable ()
| Whether the label text can be selected with the mouse. More...
Glib::PropertyProxy_ReadOnly< bool > | property_selectable () const
| Whether the label text can be selected with the mouse. More...
Glib::PropertyProxy_ReadOnly< guint > | property_mnemonic_keyval () const
| The mnemonic accelerator key for this label. More...
Glib::PropertyProxy< Widget* > | property_mnemonic_widget ()
| The widget to be activated when the label's mnemonic key is pressed. More...
Glib::PropertyProxy_ReadOnly< Widget* > | property_mnemonic_widget () const
| The widget to be activated when the label's mnemonic key is pressed. More...
Glib::PropertyProxy_ReadOnly< int > | property_cursor_position () const
| The current position of the insertion cursor in chars. More...
Glib::PropertyProxy_ReadOnly< int > | property_selection_bound () const
| The position of the opposite end of the selection from the cursor in chars. More...
Glib::PropertyProxy< Pango::EllipsizeMode > | property_ellipsize ()
| The preferred place to ellipsize the string, if the label does not have enough room to display the entire string. More...
Glib::PropertyProxy_ReadOnly< Pango::EllipsizeMode > | property_ellipsize () const
| The preferred place to ellipsize the string, if the label does not have enough room to display the entire string. More...
Glib::PropertyProxy< int > | property_width_chars ()
| The desired width of the label, in characters. More...
Glib::PropertyProxy_ReadOnly< int > | property_width_chars () const
| The desired width of the label, in characters. More...
Glib::PropertyProxy< bool > | property_single_line_mode ()
| Whether the label is in single line mode. More...
Glib::PropertyProxy_ReadOnly< bool > | property_single_line_mode () const
| Whether the label is in single line mode. More...
Glib::PropertyProxy< double > | property_angle ()
| Angle at which the label is rotated. More...
Glib::PropertyProxy_ReadOnly< double > | property_angle () const
| Angle at which the label is rotated. More...
Glib::PropertyProxy< int > | property_max_width_chars ()
| The desired maximum width of the label, in characters. More...
Glib::PropertyProxy_ReadOnly< int > | property_max_width_chars () const
| The desired maximum width of the label, in characters. More...
Glib::PropertyProxy< bool > | property_track_visited_links ()
| Whether visited links should be tracked. More...
Glib::PropertyProxy_ReadOnly< bool > | property_track_visited_links () const
| Whether visited links should be tracked. More...
Public Member Functions inherited from Gtk::Misc
virtual | ~Misc ()
GtkMisc* | gobj ()
| Provides access to the underlying C GtkObject. More...
const GtkMisc* | gobj () const
| Provides access to the underlying C GtkObject. More...
void | set_alignment (float xalign=0.0, float yalign=0.5)
void | set_alignment (AlignmentEnum xalign=Gtk::ALIGN_START, AlignmentEnum yalign=Gtk::ALIGN_CENTER)
void | get_alignment (float& xalign, float& yalign) const
| Gets the X and Y alignment of the widget within its allocation. More...
void | set_padding (int xpad, int ypad)
void | get_padding (int& xpad, int& ypad) const
| Gets the padding in the X and Y directions of the widget. More...
Glib::PropertyProxy< float > | property_xalign ()
| The horizontal alignment, from 0 (left) to 1 (right). More...
Glib::PropertyProxy_ReadOnly< float > | property_xalign () const
| The horizontal alignment, from 0 (left) to 1 (right). More...
Glib::PropertyProxy< float > | property_yalign ()
| The vertical alignment, from 0 (top) to 1 (bottom). More...
Glib::PropertyProxy_ReadOnly< float > | property_yalign () const
| The vertical alignment, from 0 (top) to 1 (bottom). More...
Glib::PropertyProxy< int > | property_xpad ()
| The amount of space to add on the left and right of the widget, in pixels. More...
Glib::PropertyProxy_ReadOnly< int > | property_xpad () const
| The amount of space to add on the left and right of the widget, in pixels. More...
Glib::PropertyProxy< int > | property_ypad ()
| The amount of space to add on the top and bottom of the widget, in pixels. More...
Glib::PropertyProxy_ReadOnly< int > | property_ypad () const
| The amount of space to add on the top and bottom of the widget, in pixels. More...
Public Member Functions inherited from Gtk::Widget
virtual | ~Widget ()
GtkWidget* | gobj ()
| Provides access to the underlying C GtkObject. More...
const GtkWidget* | gobj () const
| Provides access to the underlying C GtkObject. More...
bool | set_scroll_adjustments (Adjustment& hadjustment, Adjustment& vadjustment)
| For widgets that support scrolling, sets the scroll adjustments and returns `true`. More...
void | show ()
| Flags a widget to be displayed. More...
void | show_now ()
| Shows a widget. More...
void | hide ()
| Reverses the effects of show(), causing the widget to be hidden (invisible to the user). More...
void | show_all ()
| Recursively shows a widget, and any child widgets (if the widget is a container). More...
void | hide_all ()
| Recursively hides a widget and any child widgets. More...
void | queue_draw ()
| Equivalent to calling queue_draw_area() for the entire area of a widget. More...
void | queue_draw_area (int x, int y, int width, int height)
| Invalidates the rectangular area of widget defined by x, y, width and height by calling gdk_window_invalidate_rect() on the widget's window and all its child windows. More...
void | queue_resize ()
| This function is only for use in widget implementations. More...
Requisition | size_request () const
| This function is typically used when implementing a Gtk::Container subclass. More...
void | size_request (const Requisition& requisition)
| This function is typically used when implementing a Gtk::Container subclass. More...
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. More...
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. More...
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(). More...
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. More...
bool | mnemonic_activate (bool group_cycling)
| Emits the Gtk::Widget::signal_mnemonic_activate() signal. More...
bool | event (GdkEvent* event)
| Rarely-used function. More...
int | send_expose (GdkEvent*event)
| Very rarely-used function. More...
bool | send_focus_change (GdkEvent*event)
| Sends the focus change event to widget. More...
bool | activate ()
| For widgets that can be "activated" (buttons, menu items, etc.) this function activates them. More...
void | reparent (Widget& new_parent)
| Moves a widget from one Gtk::Container to another, handling reference count issues to avoid destroying the widget. More...
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. More...
Gdk::Region | region_intersect (const Gdk::Region& region) const
| Computes the intersection of a widget's area and region, returning the intersection. More...
void | freeze_child_notify ()
| Stops emission of Gtk::Widget::signal_child_notify() signals on widget. More...
void | child_notify (const Glib::ustring& child_property)
| Emits a Gtk::Widget::signal_child_notify() signal for the child property child_property on widget. More...
void | thaw_child_notify ()
| Reverts the effect of a previous call to freeze_child_notify(). More...
void | set_can_focus (bool can_focus=true)
| Specifies whether widget can own the input focus. More...
bool | get_can_focus () const
| Determines whether widget can own the input focus. More...
bool | can_focus () const
| Determines whether widget can own the input focus. More...
bool | has_focus () const
| Determines if the widget has the global input focus. More...
bool | is_focus () const
| Determines if the widget is the focus widget within its toplevel. More...
void | grab_focus ()
| Causes widget to have the keyboard focus for the Gtk::Window it's inside. More...
void | set_can_default (bool can_default=true)
| Specifies whether widget can be a default widget. More...
bool | get_can_default () const
| Determines whether widget can be a default widget. More...
bool | can_default () const
| Determines whether widget can be a default widget. More...
bool | has_default () const
| Determines whether widget is the current default widget within its toplevel. More...
void | grab_default ()
| Causes widget to become the default widget. More...
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. More...
bool | get_receives_default () const
| Determines whether widget is alyways treated as default widget withing its toplevel when it has the focus, even if another widget is the default. More...
bool | has_grab () const
| Determines whether the widget is currently grabbing events, so it is the only widget receiving input events (keyboard and mouse). More...
void | add_modal_grab ()
| Block events to everything else than this widget and its children. More...
void | remove_modal_grab ()
| Remove the modal grab of the widget in case it was previously grabbed. More...
void | set_name (const Glib::ustring& name)
| Widgets can be named, which allows you to refer to them from a gtkrc file. More...
void | unset_name ()
Glib::ustring | get_name () const
| Retrieves the name of a widget. More...
void | set_state (StateType state)
| This function is for use in widget implementations. More...
StateType | get_state () const
| Returns the widget's state. More...
void | set_sensitive (bool sensitive=true)
| Sets the sensitivity of a widget. More...
bool | get_sensitive () const
| Returns the widget's sensitivity (in the sense of returning the value that has been set using set_sensitive()). More...
bool | is_sensitive () const
| Returns the widget's effective sensitivity, which means it is sensitive itself and also its parent widget is sensntive. More...
void | set_visible (bool visible=true)
| Sets the visibility state of widget. More...
bool | get_visible () const
| Determines whether the widget is visible. More...
void | set_has_window (bool has_window=true)
| Specifies whether widget has a Gdk::Window of its own. More...
bool | get_has_window () const
| Determines whether widget has a Gdk::Window of its own. More...
bool | get_is_toplevel () const
| Determines whether widget is a toplevel widget. More...
bool | get_is_drawable () const
| Determines whether widget can be drawn to. More...
bool | get_realized () const
| Determines whether widget is realized. More...
bool | get_mapped () const
| Whether the widget is mapped. More...
void | set_app_paintable (bool app_paintable=true)
| Sets whether the application intends to draw on the widget in an Gtk::Widget::signal_expose_event() handler. More...
bool | get_app_paintable () const
| Determines whether the application intends to draw on the widget in an Gtk::Widget::signal_expose_event() handler. More...
void | set_double_buffered (bool double_buffered=true)
| Widgets are double buffered by default; you can use this function to turn off the buffering. More...
bool | get_double_buffered () const
| Determines whether the widget is double buffered. More...
void | set_redraw_on_allocate (bool redraw_on_allocate=true)
| Sets whether the entire widget is queued for drawing when its size allocation changes. More...
void | set_child_visible (bool is_visible=true)
| Sets whether widget should be mapped along with its when its parent is mapped and widget has been shown with show(). More...
bool | get_child_visible () const
| Gets the value set with set_child_visible(). More...
void | set_window (const Glib::RefPtr< Gdk::Window >& window)
| Sets a widget's window. More...
Glib::RefPtr< Gdk::Window > | get_window ()
| Returns the widget's window if it is realized, `nullptr` otherwise. More...
Glib::RefPtr< const Gdk::Window > | get_window () const
| Returns the widget's window if it is realized, `nullptr` otherwise. More...
Allocation | get_allocation () const
| Retrieves the widget's location. More...
void | set_allocation (const Allocation& allocation)
| Sets the widget's allocation. More...
Container* | get_parent ()
| Returns the parent container of widget. More...
const Container* | get_parent () const
| Returns the parent container of widget. More...
Glib::RefPtr< Gdk::Window > | get_parent_window ()
| Gets widget's parent window. More...
Glib::RefPtr< const Gdk::Window > | get_parent_window () const
| Gets widget's parent window. More...
void | set_parent_window (const Glib::RefPtr< const Gdk::Window >& parent_window)
| Sets a non default parent window for widget. More...
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. More...
bool | keynav_failed (DirectionType direction)
| This function should be called whenever keyboard navigation within a single widget hits a boundary. More...
void | error_bell ()
| Notifies the user about an input-related error on this widget. More...
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 width by height. More...
void | get_size_request (int& width, int& height) const
| Gets the size request that was explicitly set for the widget using set_size_request(). More...
void | set_events (Gdk::EventMask events)
| Sets the event mask (see Gdk::EventMask) for a widget. More...
void | add_events (Gdk::EventMask events)
| Adds the events in the bitfield events to the event mask for widget. More...
void | set_extension_events (Gdk::ExtensionMode mode)
| Sets the extension events mask to mode. More...
Gdk::ExtensionMode | get_extension_events () const
| Retrieves the extension events the widget will receive; see gdk_input_set_extension_events(). More...
Container* | get_toplevel ()
| This function returns the topmost widget in the container hierarchy widget is a part of. More...
const Container* | get_toplevel () const
| This function returns the topmost widget in the container hierarchy widget is a part of. More...
Widget* | get_ancestor (GType widget_type)
| Gets the first ancestor of widget with type widget_type. More...
const Widget* | get_ancestor (GType widget_type) const
| Gets the first ancestor of widget with type widget_type. More...
Glib::RefPtr< Gdk::Colormap > | get_colormap ()
| Gets the colormap that will be used to render widget. More...
Glib::RefPtr< Gdk::Visual > | get_visual ()
| Gets the visual that will be used to render widget. More...
Glib::RefPtr< Gdk::Screen > | get_screen ()
| Get the Gdk::Screen from the toplevel window associated with this widget. More...
Glib::RefPtr< const Gdk::Screen > | get_screen () const
| Get the Gdk::Screen from the toplevel window associated with this widget. More...
bool | has_screen () const
| Checks whether there is a Gdk::Screen is associated with this widget. More...
Glib::RefPtr< Gdk::Display > | get_display ()
| Get the Gdk::Display for the toplevel window associated with this widget. More...
Glib::RefPtr< const Gdk::Display > | get_display () const
| Get the Gdk::Display for the toplevel window associated with this widget. More...
Glib::RefPtr< Gdk::Window > | get_root_window ()
| Get the root window where this widget is located. More...
Glib::RefPtr< const Gdk::Window > | get_root_window () const
| Get the root window where this widget is located. More...
Glib::RefPtr< Settings > | get_settings ()
| Gets the settings object holding the settings (global property settings, RC file information, etc) used for this widget. More...
Glib::RefPtr< Clipboard > | get_clipboard (const Glib::ustring& selection)
| Returns the clipboard object for the given selection to be used with widget. More...
Glib::RefPtr< const Clipboard > | get_clipboard (const Glib::ustring& selection) const
| Returns the clipboard object for the given selection to be used with widget. More...
Glib::RefPtr< Gdk::Pixmap > | get_snapshot (Gdk::Rectangle& clip_rect) const
| Create a Gdk::Pixmap of the contents of the widget and its children. More...
Glib::RefPtr< Gdk::Pixmap > | get_snapshot () const
| Create a Gdk::Pixmap of the contents of the widget and its children. More...
Glib::RefPtr< Atk::Object > | get_accessible ()
| Returns the accessible object that describes the widget to an assistive technology. More...
Glib::RefPtr< const Atk::Object > | get_accessible () const
| Returns the accessible object that describes the widget to an assistive technology. More...
void | set_colormap (const Glib::RefPtr< const Gdk::Colormap >& colormap)
| Sets the colormap for the widget to the given value. More...
Gdk::EventMask | get_events () const
| Returns the event mask for the widget (a bitfield containing flags from the Gdk::EventMask enumeration). More...
void | get_pointer (int& x, int& y) const
| Obtains the location of the mouse pointer in widget coordinates. More...
bool | is_ancestor (Widget& ancestor) const
| Determines whether widget is somewhere inside ancestor, possibly with intermediate containers. More...
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. More...
bool | has_rc_style () const
| Determines if the widget style has been looked up through the rc mechanism. More...
void | set_style (const Glib::RefPtr< Style >& style)
| Sets the Gtk::Style for a widget ( widget->style). More...
void | unset_style ()
void | ensure_style ()
| Ensures that widget has a style ( widget->style). More...
Glib::RefPtr< Style > | get_style ()
| Simply an accessor function that returns widget->style. More...
Glib::RefPtr< const Style > | get_style () const
| Simply an accessor function that returns widget->style. More...
void | modify_style (const Glib::RefPtr< RcStyle >& style)
| Modifies style values on the widget. More...
Glib::RefPtr< RcStyle > | get_modifier_style ()
| Returns the current modifier style for the widget. More...
Glib::RefPtr< const RcStyle > | get_modifier_style () const
| Returns the current modifier style for the widget. More...
void | modify_fg (StateType state, const Gdk::Color& color)
| Sets the foreground color for a widget in a particular state. More...
void | modify_bg (StateType state, const Gdk::Color& color)
| Sets the background color for a widget in a particular state. More...
void | modify_bg_pixmap (StateType state, const Glib::ustring& pixmap_name)
void | modify_text (StateType state, const Gdk::Color& color)
| Sets the text color for a widget in a particular state. More...
void | modify_base (StateType state, const Gdk::Color& color)
| Sets the base color for a widget in a particular state. More...
void | modify_cursor (const Gdk::Color& primary, const Gdk::Color& secondary)
| Sets the cursor color to use in a widget, overriding the cursor_color and secondary_cursor_color style properties. More...
void | unset_cursor ()
| See modify_cursor(). More...
void | modify_font (const Pango::FontDescription& font_desc)
| Sets the font to use for a widget. More...
void | unset_fg (StateType state)
| Undo the effect of previous calls to modify_fg() for a particular state. More...
void | unset_bg (StateType state)
| Undo the effect of previous calls to modify_bg() for a particular state. More...
void | unset_text (StateType state)
| Undo the effect of previous calls to modify_text() for a particular state. More...
void | unset_base (StateType state)
| Undo the effect of previous calls to modify_base() for a particular state. More...
void | unset_font ()
| Undo the effect of previous calls to modify_font() for a particular state. More...
template<class PropertyType >
void | get_style_property (const Glib::ustring& the_property_name, PropertyType& value) const
Glib::RefPtr< Pango::Context > | create_pango_context ()
| Creates a new Pango::Context with the appropriate font map, font description, and base direction for drawing text for this widget. More...
Glib::RefPtr< Pango::Context > | get_pango_context ()
| Gets a Pango::Context with the appropriate font map, font description, and base direction for this widget. More...
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. More...
Glib::RefPtr< Gdk::Pixbuf > | render_icon (const StockID& stock_id, IconSize size, const Glib::ustring& detail=Glib::ustring())
| A convenience function that uses the theme engine and RC file settings for the widget to look up stock_id and render it to a pixbuf. More...
void | set_composite_name (const Glib::ustring& name)
| Sets a widgets composite name. More...
void | unset_composite_name ()
Glib::ustring | get_composite_name () const
| Obtains the composite name of a widget. More...
void | reset_rc_styles ()
| Reset the styles of widget and all descendents, so when they are looked up again, they get the correct values for the currently loaded RC file settings. More...
void | set_direction (TextDirection dir)
| Sets the reading direction on a particular widget. More...
TextDirection | get_direction ()
| Gets the reading direction for a particular widget. More...
TextDirection | get_direction () const
| Gets the reading direction for a particular widget. More...
void | shape_combine_mask (const Glib::RefPtr< const Gdk::Bitmap >& shape_mask, int offset_x, int offset_y)
| Sets a shape for this widget's GDK window. More...
void | unset_shape_combine_mask ()
void | input_shape_combine_mask (const Glib::RefPtr< const Gdk::Bitmap >& shape_mask, int offset_x, int offset_y)
| Sets an input shape for this widget's GDK window. More...
void | unset_input_shape_combine_mask ()
void | reset_shapes ()
| Recursively resets the shape on this widget and its descendants. More...
void | path (Glib::ustring& path, Glib::ustring& path_reversed)
| Compute a widget's path of the form "GtkWindow.MyLabel". More...
void | class_path (Glib::ustring&path, Glib::ustring& path_reversed)
Glib::ListHandle< Widget* > | list_mnemonic_labels ()
| Returns a newly allocated list of the widgets, normally labels, for which this widget is a the target of a mnemonic (see for example, Gtk::Label::set_mnemonic_widget()). More...
Glib::ListHandle< const Widget* > | list_mnemonic_labels () const
| Returns a newly allocated list of the widgets, normally labels, for which this widget is a the target of a mnemonic (see for example, Gtk::Label::set_mnemonic_widget()). More...
void | add_mnemonic_label (Widget& label)
| Adds a widget to the list of mnemonic labels for this widget. More...
void | remove_mnemonic_label (Widget& label)
| Removes a widget from the list of mnemonic labels for this widget. More...
void | drag_get_data (const Glib::RefPtr< Gdk::DragContext >& context, Glib::ustring& target, guint32 time)
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 ArrayHandle_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)
void | drag_dest_unset ()
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. More...
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. More...
Glib::RefPtr< const TargetList > | drag_dest_get_target_list () const
| Returns the list of targets this widget can accept from drag-and-drop. More...
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. More...
void | drag_dest_add_text_targets ()
| Add the text targets supported by Gtk::Selection to the target list of the drag destination. More...
void | drag_dest_add_image_targets ()
| Add the image targets supported by Gtk::Selection to the target list of the drag destination. More...
void | drag_dest_add_uri_targets ()
| Add the URI targets supported by Gtk::Selection to the target list of the drag destination. More...
void | drag_source_set (const ArrayHandle_TargetEntry& targets, Gdk::ModifierType start_button_mask=Gdk::MODIFIER_MASK, Gdk::DragAction actions=Gdk::ACTION_COPY)
void | drag_source_unset ()
void | drag_source_set_icon (const Glib::RefPtr< Gdk::Colormap >& colormap, const Glib::RefPtr< Gdk::Pixmap >& pixmap, const Glib::RefPtr< Gdk::Bitmap >& mask)
| Sets the icon that will be used for drags from a particular widget from a pixmap/mask. More...
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. More...
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. More...
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. More...
void | drag_source_add_text_targets ()
| Add the text targets supported by Gtk::Selection to the target list of the drag source. More...
void | drag_source_add_uri_targets ()
| Add the URI targets supported by Gtk::Selection to the target list of the drag source. More...
void | drag_source_add_image_targets ()
| Add the writable image targets supported by Gtk::Selection to the target list of the drag source. More...
Glib::RefPtr< Gdk::DragContext > | drag_begin (const Glib::RefPtr< TargetList >& targets, Gdk::DragAction actions, int button, GdkEvent*event)
| Initiates a drag on the source side. More...
bool | drag_check_threshold (int start_x, int start_y, int current_x, int current_y)
| Checks to see if a mouse drag starting at ( start_x, start_y) and ending at ( current_x, current_y) has passed the GTK+ drag threshold, and thus should trigger the beginning of a drag-and-drop operation. More...
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. More...
bool | get_no_show_all () const
| Returns the current value of the GtkWidget:no-show-all property, which determines whether calls to show_all() and hide_all() will affect this widget. More...
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() and hide_all() will affect this widget. More...
void | set_parent (Widget& parent)
| This function is useful only when implementing subclasses of Gtk::Container. More...
void | unparent ()
| This function is only for use in widget implementations. More...
void | map ()
| This function is only for use in widget implementations. More...
void | unmap ()
| This function is only for use in widget implementations. More...
void | draw_insertion_cursor (Glib::RefPtr< Gdk::Drawable > drawable, const Gdk::Rectangle& area, const Gdk::Rectangle& location, bool is_primary, TextDirection direction, bool draw_arrow=true)
void | set_tooltip_window (Window& widget)
| Replaces the default, usually yellow, window used for displaying tooltips with widget. More...
Window* | get_tooltip_window ()
| Returns the Gtk::Window of the current tooltip. More...
void | trigger_tooltip_query ()
| Triggers a tooltip query on the display where the toplevel of widget is located. More...
void | set_tooltip_text (const Glib::ustring& text)
| Sets text as the contents of the tooltip. More...
Glib::ustring | get_tooltip_text () const
| Gets the contents of the tooltip for widget. More...
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. More...
Glib::ustring | get_tooltip_markup () const
| Gets the contents of the tooltip for widget. More...
void | set_has_tooltip (bool has_tooltip=TRUE)
| Sets the has-tooltip property on widget to has_tooltip. More...
bool | get_has_tooltip () const
| Returns the current value of the has-tooltip property. More...
bool | has_no_window () const
bool | is_realized () const
bool | is_mapped () const
bool | is_toplevel () const
bool | is_drawable () const
bool | is_visible () const
bool | sensitive () const
bool | app_paintable () const
bool | receives_default () const
bool | double_buffered () const
bool | parent_sensitive () const
bool | rc_style () const
bool | is_composite_child () const
| Returns trye if the widget is a composite child of its parent. More...
WidgetFlags | get_flags () const
void | set_flags (WidgetFlags flags)
void | unset_flags (WidgetFlags flags)
Gtk::StateType | get_saved_state () const
int | get_width () const
int | get_height () const
bool | is_composited () const
| Whether widget can rely on having its alpha channel drawn correctly. More...
Glib::RefPtr< Action > | get_action ()
| Returns the Gtk::Action that widget is a proxy for. More...
Glib::RefPtr< const Action > | get_action () const
| Returns the Gtk::Action that widget is a proxy for. More...
Requisition | get_requisition () const
| Retrieves the widget's requisition. More...
Glib::SignalProxy< void > | signal_show ()
Glib::SignalProxy< void > | signal_hide ()
Glib::SignalProxy< void > | signal_map ()
| Emitted on mapping of a widget to the screen. More...
Glib::SignalProxy< void > | signal_unmap ()
Glib::SignalProxy< void > | signal_realize ()
| Emitted on realization of a widget. More...
Glib::SignalProxy< void > | signal_unrealize ()
Glib::SignalProxy< void, Requisition* > | signal_size_request ()
Glib::SignalProxy< void, Allocation& > | signal_size_allocate ()
Glib::SignalProxy< void, Gtk::StateType > | signal_state_changed ()
Glib::SignalProxy< void, Widget* > | signal_parent_changed ()
| Informs objects that their parent changed. More...
Glib::SignalProxy< void, Widget* > | signal_hierarchy_changed ()
Glib::SignalProxy< void, const Glib::RefPtr< Gtk::Style >& > | signal_style_changed ()
| The style-set signal is emitted when a new style has been set on a widget. More...
Glib::SignalProxy< void, TextDirection > | signal_direction_changed ()
Glib::SignalProxy< void, bool > | signal_grab_notify ()
Glib::SignalProxy< void, GParamSpec* > | signal_child_notify ()
| The ::child-notify signal is emitted for each child property that has changed on an object. More...
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 ()
Glib::SignalProxy< void, GdkEvent* > | signal_event_after ()
Glib::SignalProxy< bool, GdkEventButton* > | signal_button_press_event ()
| Event triggered by user pressing button. More...
Glib::SignalProxy< bool, GdkEventButton* > | signal_button_release_event ()
| Event triggered by user releasing button. More...
Glib::SignalProxy< bool, GdkEventScroll* > | signal_scroll_event ()
Glib::SignalProxy< bool, GdkEventMotion* > | signal_motion_notify_event ()
| Event triggered by user moving pointer. More...
Glib::SignalProxy< bool, GdkEventAny* > | signal_delete_event ()
| The delete_event signal is emitted if a user requests that a toplevel window is closed. More...
Glib::SignalProxy< bool, GdkEventExpose* > | signal_expose_event ()
| Event triggered by window requiring a refresh. More...
Glib::SignalProxy< bool, GdkEventKey* > | signal_key_press_event ()
| Event triggered by a key press will widget has focus. More...
Glib::SignalProxy< bool, GdkEventKey* > | signal_key_release_event ()
| Event triggered by a key release will widget has focus. More...
Glib::SignalProxy< bool, GdkEventCrossing* > | signal_enter_notify_event ()
| Event triggered by pointer entering widget area. More...
Glib::SignalProxy< bool, GdkEventCrossing* > | signal_leave_notify_event ()
| Event triggered by pointer leaving widget area. More...
Glib::SignalProxy< bool, GdkEventConfigure* > | signal_configure_event ()
| Event triggered by a window resizing. More...
Glib::SignalProxy< bool, GdkEventFocus* > | signal_focus_in_event ()
Glib::SignalProxy< bool, GdkEventFocus* > | signal_focus_out_event ()
Glib::SignalProxy< bool, GdkEventAny* > | signal_map_event ()
Glib::SignalProxy< bool, GdkEventAny* > | signal_unmap_event ()
Glib::SignalProxy< bool, GdkEventProperty* > | signal_property_notify_event ()
Glib::SignalProxy< bool, GdkEventSelection* > | signal_selection_clear_event ()
Glib::SignalProxy< bool, GdkEventSelection* > | signal_selection_request_event ()
Glib::SignalProxy< bool, GdkEventSelection* > | signal_selection_notify_event ()
Glib::SignalProxy< bool, GdkEventProximity* > | signal_proximity_in_event ()
Glib::SignalProxy< bool, GdkEventProximity* > | signal_proximity_out_event ()
Glib::SignalProxy< bool, GdkEventVisibility* > | signal_visibility_notify_event ()
Glib::SignalProxy< bool, GdkEventClient* > | signal_client_event ()
Glib::SignalProxy< bool, GdkEventAny* > | signal_no_expose_event ()
Glib::SignalProxy< bool, GdkEventWindowState* > | signal_window_state_event ()
Glib::SignalProxy< void, SelectionData&, guint, guint > | signal_selection_get ()
Glib::SignalProxy< void, const SelectionData&, guint > | signal_selection_received ()
Glib::SignalProxy< void, const Glib::RefPtr< Gdk::DragContext >& > | signal_drag_begin ()
| The drag_begin signal is emitted on the drag source when a drag is started. More...
Glib::SignalProxy< void, const Glib::RefPtr< Gdk::DragContext >& > | signal_drag_end ()
| The drag_end signal is emitted on the drag source when a drag is finished. More...
Glib::SignalProxy< void, const Glib::RefPtr< Gdk::DragContext >&, SelectionData&, guint, guint > | signal_drag_data_get ()
| The drag_data_get signal is emitted on the drag source when the drop site requests the data which is dragged. More...
Glib::SignalProxy< void, const Glib::RefPtr< Gdk::DragContext >& > | signal_drag_data_delete ()
| The drag_data_delete signal is emitted on the drag source when a drag with the action Gdk::ACTION_MOVE is successfully completed. More...
Glib::SignalProxy< bool, const Glib::RefPtr< Gdk::DragContext >&, DragResult > | signal_drag_failed ()
Glib::SignalProxy< void, const Glib::RefPtr< Gdk::DragContext >&, guint > | signal_drag_leave ()
| The drag_leave signal is emitted on the drop site when the cursor leaves the widget. More...
Glib::SignalProxy< bool, const Glib::RefPtr< Gdk::DragContext >&, int, int, guint > | signal_drag_motion ()
| The drag_motion signal is emitted on the drop site when the user moves the cursor over the widget during a drag. More...
Glib::SignalProxy< bool, const Glib::RefPtr< Gdk::DragContext >&, int, int, guint > | signal_drag_drop ()
| The drag_drop signal is emitted on the drop site when the user drops the data onto the widget. More...
Glib::SignalProxy< void, const Glib::RefPtr< Gdk::DragContext >&, int, int, const SelectionData&, guint, guint > | signal_drag_data_received ()
| The drag_data_received signal is emitted on the drop site when the dragged data has been received. More...
Glib::SignalProxy< Glib::RefPtr< Atk::Object > > | signal_get_accessible ()
Glib::SignalProxy< void, const Glib::RefPtr< Gdk::Screen >& > | signal_screen_changed ()
Glib::SignalProxy< void > | signal_composited_changed ()
Glib::SignalProxy< bool > | signal_popup_menu ()
Glib::SignalProxy< bool, int, int, bool, const Glib::RefPtr< Tooltip >& > | signal_query_tooltip ()
Glib::SignalProxy< bool, GdkEventGrabBroken* > | signal_grab_broken_event ()
Glib::SignalProxy< bool, GdkEventExpose* > | signal_damage_event ()
Glib::PropertyProxy< Glib::ustring > | property_name ()
| The name of the widget. More...
Glib::PropertyProxy_ReadOnly< Glib::ustring > | property_name () const
| The name of the widget. More...
Glib::PropertyProxy< Container* > | property_parent ()
| The parent widget of this widget. More...
Glib::PropertyProxy_ReadOnly< Container* > | property_parent () const
| The parent widget of this widget. More...
Glib::PropertyProxy< int > | property_width_request ()
| Override for width request of the widget, or -1 if natural request should be used. More...
Glib::PropertyProxy_ReadOnly< int > | property_width_request () const
| Override for width request of the widget, or -1 if natural request should be used. More...
Glib::PropertyProxy< int > | property_height_request ()
| Override for height request of the widget, or -1 if natural request should be used. More...
Glib::PropertyProxy_ReadOnly< int > | property_height_request () const
| Override for height request of the widget, or -1 if natural request should be used. More...
Glib::PropertyProxy< bool > | property_visible ()
| Whether the widget is visible. More...
Glib::PropertyProxy_ReadOnly< bool > | property_visible () const
| Whether the widget is visible. More...
Glib::PropertyProxy< bool > | property_sensitive ()
| Whether the widget responds to input. More...
Glib::PropertyProxy_ReadOnly< bool > | property_sensitive () const
| Whether the widget responds to input. More...
Glib::PropertyProxy< bool > | property_app_paintable ()
| Whether the application will paint directly on the widget. More...
Glib::PropertyProxy_ReadOnly< bool > | property_app_paintable () const
| Whether the application will paint directly on the widget. More...
Glib::PropertyProxy< bool > | property_can_focus ()
| Whether the widget can accept the input focus. More...
Glib::PropertyProxy_ReadOnly< bool > | property_can_focus () const
| Whether the widget can accept the input focus. More...
Glib::PropertyProxy< bool > | property_has_focus ()
| Whether the widget has the input focus. More...
Glib::PropertyProxy_ReadOnly< bool > | property_has_focus () const
| Whether the widget has the input focus. More...
Glib::PropertyProxy< bool > | property_is_focus ()
| Whether the widget is the focus widget within the toplevel. More...
Glib::PropertyProxy_ReadOnly< bool > | property_is_focus () const
| Whether the widget is the focus widget within the toplevel. More...
Glib::PropertyProxy< bool > | property_can_default ()
| Whether the widget can be the default widget. More...
Glib::PropertyProxy_ReadOnly< bool > | property_can_default () const
| Whether the widget can be the default widget. More...
Glib::PropertyProxy< bool > | property_has_default ()
| Whether the widget is the default widget. More...
Glib::PropertyProxy_ReadOnly< bool > | property_has_default () const
| Whether the widget is the default widget. More...
Glib::PropertyProxy< bool > | property_receives_default ()
| If TRUE, the widget will receive the default action when it is focused. More...
Glib::PropertyProxy_ReadOnly< bool > | property_receives_default () const
| If TRUE, the widget will receive the default action when it is focused. More...
Glib::PropertyProxy_ReadOnly< bool > | property_composite_child () const
| Whether the widget is part of a composite widget. More...
Glib::PropertyProxy< Glib::RefPtr< Style > > | property_style ()
| The style of the widget, which contains information about how it will look (colors etc). More...
Glib::PropertyProxy_ReadOnly< Glib::RefPtr< Style > > | property_style () const
| The style of the widget, which contains information about how it will look (colors etc). More...
Glib::PropertyProxy< Gdk::EventMask > | property_events ()
| The event mask that decides what kind of GdkEvents this widget gets. More...
Glib::PropertyProxy_ReadOnly< Gdk::EventMask > | property_events () const
| The event mask that decides what kind of GdkEvents this widget gets. More...
Glib::PropertyProxy< Gdk::ExtensionMode > | property_extension_events ()
| The mask that decides what kind of extension events this widget gets. More...
Glib::PropertyProxy_ReadOnly< Gdk::ExtensionMode > | property_extension_events () const
| The mask that decides what kind of extension events this widget gets. More...
Glib::PropertyProxy< bool > | property_has_tooltip ()
| Whether this widget has a tooltip. More...
Glib::PropertyProxy_ReadOnly< bool > | property_has_tooltip () const
| Whether this widget has a tooltip. More...
Glib::PropertyProxy< Glib::ustring > | property_tooltip_markup ()
| The contents of the tooltip for this widget. More...
Glib::PropertyProxy_ReadOnly< Glib::ustring > | property_tooltip_markup () const
| The contents of the tooltip for this widget. More...
Glib::PropertyProxy< Glib::ustring > | property_tooltip_text ()
| The contents of the tooltip for this widget. More...
Glib::PropertyProxy_ReadOnly< Glib::ustring > | property_tooltip_text () const
| The contents of the tooltip for this widget. More...
Glib::PropertyProxy_ReadOnly< Glib::RefPtr< Gdk::Window > > | property_window () const
| The widget's window if it is realized. More...
Glib::PropertyProxy< bool > | property_no_show_all ()
| Whether gtk_widget_show_all() should not affect this widget. More...
Glib::PropertyProxy_ReadOnly< bool > | property_no_show_all () const
| Whether gtk_widget_show_all() should not affect this widget. More...
Glib::PropertyProxy< bool > | property_double_buffered ()
| Whether or not the widget is double buffered. More...
Glib::PropertyProxy_ReadOnly< bool > | property_double_buffered () const
| Whether or not the widget is double buffered. More...
Public Member Functions inherited from Gtk::Object
virtual | ~Object ()
GtkObject* | gobj ()
| Provides access to the underlying C GtkObject. More...
const GtkObject* | gobj () const
| Provides access to the underlying C GtkObject. More...
Glib::PropertyProxy< void* > | property_user_data ()
| Anonymous User Data Pointer. More...
Glib::PropertyProxy_ReadOnly< void* > | property_user_data () const
| Anonymous User Data Pointer. More...
Public Member Functions inherited from Glib::Object
| Object (const Object &)=delete
Object & | operator= (const Object &)=delete
| Object (Object &&src) noexcept
Object & | operator= (Object &&src) noexcept
void * | get_data (const QueryQuark &key)
void | set_data (const Quark &key, void *data)
void | set_data (const Quark &key, void *data, DestroyNotify notify)
void | remove_data (const QueryQuark &quark)
void * | steal_data (const QueryQuark &quark)
Glib::RefPtr< Glib::Object > | wrap (GObject *object, bool take_copy=false)
Public Member Functions inherited from Glib::ObjectBase
| ObjectBase (const ObjectBase &)=delete
ObjectBase & | operator= (const ObjectBase &)=delete
void | set_property_value (const Glib::ustring &property_name, const Glib::ValueBase &value)
void | get_property_value (const Glib::ustring &property_name, Glib::ValueBase &value) const
void | set_property (const Glib::ustring &property_name, const PropertyType &value)
void | get_property (const Glib::ustring &property_name, PropertyType &value) const
void | connect_property_changed (const Glib::ustring &property_name, const sigc::slot< void > &slot)
void | connect_property_changed (const Glib::ustring &property_name, sigc::slot< void > &&slot)
sigc::connection | connect_property_changed_with_return (const Glib::ustring &property_name, const sigc::slot< void > &slot)
sigc::connection | connect_property_changed_with_return (const Glib::ustring &property_name, sigc::slot< void > &&slot)
void | freeze_notify ()
void | thaw_notify ()
virtual void | reference () const
virtual void | unreference () const
GObject * | gobj ()
const GObject * | gobj () const
GObject * | gobj_copy () const
Public Member Functions inherited from sigc::trackable
| trackable () noexcept
| trackable (const trackable &src) noexcept
| trackable (trackable &&src)
| ~trackable ()
void | add_destroy_notify_callback (void *data, func_destroy_notify func) const
void | notify_callbacks ()
trackable & | operator= (const trackable &src)
trackable & | operator= (trackable &&src)
void | remove_destroy_notify_callback (void *data) const
Public Member Functions inherited from Atk::Implementor
| Implementor (Implementor &&src) noexcept
Implementor & | operator= (Implementor &&src) noexcept
| ~Implementor () noexceptoverride
AtkImplementor * | gobj ()
const AtkImplementor * | gobj () const
Glib::RefPtr< Atk::Implementor > | wrap (AtkImplementor *object, bool take_copy=false)
Public Member Functions inherited from Glib::Interface
| Interface ()
| Interface (Interface &&src) noexcept
Interface & | operator= (Interface &&src) noexcept
| Interface (const Glib::Interface_Class &interface_class)
| Interface (GObject *castitem)
| ~Interface () noexceptoverride
| Interface (const Interface &)=delete
Interface & | operator= (const Interface &)=delete
GObject * | gobj ()
const GObject * | gobj () const

## Protected Member Functions
virtual void | on_populate_popup (Menu* menu)
| This is a default handler for the signal signal_populate_popup(). More...
Protected Member Functions inherited from Gtk::Misc
| Misc ()
Protected Member Functions inherited from Gtk::Widget
virtual void | on_show ()
| This is a default handler for the signal signal_show(). More...
virtual void | on_hide ()
| This is a default handler for the signal signal_hide(). More...
virtual void | on_map ()
| This is a default handler for the signal signal_map(). More...
virtual void | on_unmap ()
| This is a default handler for the signal signal_unmap(). More...
virtual void | on_realize ()
| This is a default handler for the signal signal_realize(). More...
virtual void | on_unrealize ()
| This is a default handler for the signal signal_unrealize(). More...
virtual void | on_size_request (Requisition* requisition)
| This is a default handler for the signal signal_size_request(). More...
virtual void | on_size_allocate (Allocation& allocation)
| This is a default handler for the signal signal_size_allocate(). More...
virtual void | on_state_changed (Gtk::StateType previous_state)
| This is a default handler for the signal signal_state_changed(). More...
virtual void | on_parent_changed (Widget* previous_parent)
| This is a default handler for the signal signal_parent_changed(). More...
virtual void | on_hierarchy_changed (Widget* previous_toplevel)
| This is a default handler for the signal signal_hierarchy_changed(). More...
virtual void | on_style_changed (const Glib::RefPtr< Gtk::Style >& previous_style)
| This is a default handler for the signal signal_style_changed(). More...
virtual void | on_direction_changed (TextDirection direction)
| This is a default handler for the signal signal_direction_changed(). More...
virtual void | on_grab_notify (bool was_grabbed)
| This is a default handler for the signal signal_grab_notify(). More...
virtual void | on_child_notify (GParamSpec* pspec)
| This is a default handler for the signal signal_child_notify(). More...
virtual bool | on_mnemonic_activate (bool group_cycling)
| This is a default handler for the signal signal_mnemonic_activate(). More...
virtual void | on_grab_focus ()
| This is a default handler for the signal signal_grab_focus(). More...
virtual bool | on_focus (DirectionType direction)
| This is a default handler for the signal signal_focus(). More...
virtual bool | on_event (GdkEvent*event)
| This is a default handler for the signal signal_event(). More...
virtual bool | on_button_press_event (GdkEventButton*event)
| This is a default handler for the signal signal_button_press_event(). More...
virtual bool | on_button_release_event (GdkEventButton*event)
| This is a default handler for the signal signal_button_release_event(). More...
virtual bool | on_scroll_event (GdkEventScroll*event)
| This is a default handler for the signal signal_scroll_event(). More...
virtual bool | on_motion_notify_event (GdkEventMotion*event)
| This is a default handler for the signal signal_motion_notify_event(). More...
virtual bool | on_delete_event (GdkEventAny*event)
| This is a default handler for the signal signal_delete_event(). More...
virtual bool | on_expose_event (GdkEventExpose*event)
| This is a default handler for the signal signal_expose_event(). More...
virtual bool | on_key_press_event (GdkEventKey*event)
| This is a default handler for the signal signal_key_press_event(). More...
virtual bool | on_key_release_event (GdkEventKey*event)
| This is a default handler for the signal signal_key_release_event(). More...
virtual bool | on_enter_notify_event (GdkEventCrossing*event)
| This is a default handler for the signal signal_enter_notify_event(). More...
virtual bool | on_leave_notify_event (GdkEventCrossing*event)
| This is a default handler for the signal signal_leave_notify_event(). More...
virtual bool | on_configure_event (GdkEventConfigure*event)
| This is a default handler for the signal signal_configure_event(). More...
virtual bool | on_focus_in_event (GdkEventFocus*event)
| This is a default handler for the signal signal_focus_in_event(). More...
virtual bool | on_focus_out_event (GdkEventFocus*event)
| This is a default handler for the signal signal_focus_out_event(). More...
virtual bool | on_map_event (GdkEventAny*event)
| This is a default handler for the signal signal_map_event(). More...
virtual bool | on_unmap_event (GdkEventAny*event)
| This is a default handler for the signal signal_unmap_event(). More...
virtual bool | on_property_notify_event (GdkEventProperty*event)
| This is a default handler for the signal signal_property_notify_event(). More...
virtual bool | on_selection_clear_event (GdkEventSelection*event)
| This is a default handler for the signal signal_selection_clear_event(). More...
virtual bool | on_selection_request_event (GdkEventSelection*event)
| This is a default handler for the signal signal_selection_request_event(). More...
virtual bool | on_selection_notify_event (GdkEventSelection*event)
| This is a default handler for the signal signal_selection_notify_event(). More...
virtual bool | on_proximity_in_event (GdkEventProximity*event)
| This is a default handler for the signal signal_proximity_in_event(). More...
virtual bool | on_proximity_out_event (GdkEventProximity*event)
| This is a default handler for the signal signal_proximity_out_event(). More...
virtual bool | on_visibility_notify_event (GdkEventVisibility*event)
| This is a default handler for the signal signal_visibility_notify_event(). More...
virtual bool | on_client_event (GdkEventClient*event)
| This is a default handler for the signal signal_client_event(). More...
virtual bool | on_no_expose_event (GdkEventAny*event)
| This is a default handler for the signal signal_no_expose_event(). More...
virtual bool | on_window_state_event (GdkEventWindowState*event)
| This is a default handler for the signal signal_window_state_event(). More...
virtual void | on_selection_get (SelectionData& selection_data, guint info, guint time)
| This is a default handler for the signal signal_selection_get(). More...
virtual void | on_selection_received (const SelectionData& selection_data, guint time)
| This is a default handler for the signal signal_selection_received(). More...
virtual void | on_drag_begin (const Glib::RefPtr< Gdk::DragContext >& context)
| This is a default handler for the signal signal_drag_begin(). More...
virtual void | on_drag_end (const Glib::RefPtr< Gdk::DragContext >& context)
| This is a default handler for the signal signal_drag_end(). More...
virtual void | on_drag_data_get (const Glib::RefPtr< Gdk::DragContext >& context, SelectionData& selection_data, guint info, guint time)
| This is a default handler for the signal signal_drag_data_get(). More...
virtual void | on_drag_data_delete (const Glib::RefPtr< Gdk::DragContext >& context)
| This is a default handler for the signal signal_drag_data_delete(). More...
virtual void | on_drag_leave (const Glib::RefPtr< Gdk::DragContext >& context, guint time)
| This is a default handler for the signal signal_drag_leave(). More...
virtual bool | on_drag_motion (const Glib::RefPtr< Gdk::DragContext >& context, int x, int y, guint time)
| This is a default handler for the signal signal_drag_motion(). More...
virtual bool | on_drag_drop (const Glib::RefPtr< Gdk::DragContext >& context, int x, int y, guint time)
| This is a default handler for the signal signal_drag_drop(). More...
virtual void | on_drag_data_received (const Glib::RefPtr< Gdk::DragContext >& context, int x, int y, const SelectionData& selection_data, guint info, guint time)
| This is a default handler for the signal signal_drag_data_received(). More...
virtual Glib::RefPtr< Atk::Object > | on_get_accessible ()
| This is a default handler for the signal signal_get_accessible(). More...
virtual void | on_screen_changed (const Glib::RefPtr< Gdk::Screen >& previous_screen)
| This is a default handler for the signal signal_screen_changed(). More...
virtual void | dispatch_child_properties_changed_vfunc (guint p1, GParamSpec** p2)
virtual void | show_all_vfunc ()
virtual void | hide_all_vfunc ()
virtual Glib::RefPtr< Atk::Object > | get_accessible_vfunc ()
| Widget ()
void | realize ()
| Creates the GDK (windowing system) resources associated with a widget. More...
void | unrealize ()
| This function is only useful in widget implementations. More...
void | set_mapped (bool mapped=true)
| Marks the widget as being realized. More...
void | set_realized (bool realized=true)
| Marks the widget as being realized. More...
void | style_attach ()
| This function attaches the widget's Gtk::Style to the widget's Gdk::Window. More...
void | get_child_requisition (Requisition& requisition) const
| This function is only for use in widget implementations. More...
void | get_style_property_value (const Glib::ustring& the_property_name, Glib::ValueBase& value) const
| Gets the value of a style property of widget. More...
void | realize_if_needed ()
Protected Member Functions inherited from Glib::Object
| Object ()
| Object (const Glib::ConstructParams &construct_params)
| Object (GObject *castitem)
| ~Object () noexceptoverride
Protected Member Functions inherited from Glib::ObjectBase
| ObjectBase ()
| ObjectBase (const char *custom_type_name)
| ObjectBase (const std::type_info &custom_type_info)
| ObjectBase (ObjectBase &&src) noexcept
ObjectBase & | operator= (ObjectBase &&src) noexcept
virtual | ~ObjectBase () noexcept=0
void | initialize (GObject *castitem)
void | initialize_move (GObject *castitem, Glib::ObjectBase *previous_wrapper)
Protected Member Functions inherited from Atk::Implementor
| Implementor ()
virtual Glib::RefPtr< Object > | ref_accessibile_vfunc ()

## Related Functions
(Note that these are not member functions.)
Gtk::Label* | wrap (GtkLabel* object, bool take_copy=false)
| A Glib::wrap() method for this object. More...
Related Functions inherited from Gtk::Misc
Gtk::Misc* | wrap (GtkMisc* object, bool take_copy=false)
| A Glib::wrap() method for this object. More...
Related Functions inherited from Gtk::Widget
Gtk::Widget* | wrap (GtkWidget* object, bool take_copy=false)
| A Glib::wrap() method for this object. More...
Related Functions inherited from Gtk::Object
Gtk::Object* | wrap (GtkObject* object, bool take_copy=false)
| A Glib::wrap() method for this object. More...

## Additional Inherited Members
Public Types inherited from Glib::Object
typedef void(*)(gpointer data | DestroyNotify)
Public Types inherited from sigc::trackable
typedef internal::func_destroy_notify | func_destroy_notify
Static Public Member Functions inherited from Gtk::Widget
static Widget* | get_current_modal_grab ()
| Retrieve the widget which is currently grabbing all events. More...
static void | push_colormap (const Glib::RefPtr< const Gdk::Colormap >& cmap)
| Pushes cmap onto a global stack of colormaps; the topmost colormap on the stack will be used to create all widgets. More...
static void | pop_colormap ()
| Removes a colormap pushed with push_colormap(). More...
static void | push_composite_child ()
| Makes all newly-created widgets as composite children until the corresponding pop_composite_child() call. More...
static void | pop_composite_child ()
| Cancels the effect of a previous call to push_composite_child(). More...
static void | set_default_colormap (const Glib::RefPtr< const Gdk::Colormap >& colormap)
| Sets the default colormap to use when creating widgets. More...
static Glib::RefPtr< Style > | get_default_style ()
| Returns the default style used by all widgets initially. More...
static Glib::RefPtr< Gdk::Colormap > | get_default_colormap ()
| Obtains the default colormap used to create widgets. More...
static Glib::RefPtr< Gdk::Visual > | get_default_visual ()
| Obtains the visual of the default colormap. More...
static void | set_default_direction (TextDirection dir)
| Sets the default reading direction for widgets where the direction has not been explicitly set by set_direction(). More...
static TextDirection | get_default_direction ()
| Obtains the current default reading direction. More...
static Widget* | drag_get_source_widget (const Glib::RefPtr< Gdk::DragContext >& context)
Static Public Member Functions inherited from Atk::Implementor
static void | add_interface (GType gtype_implementer)
static GType | get_type ()

## Detailed Description

A widget that displays a small to medium amount of text.

A simple setable widget for holding a Glib::ustring.

The Label widget looks like this:

## Constructor & Destructor Documentation

virtual Gtk::Label::~Label | ( |  | ) |
| virtual

Gtk::Label::Label | ( |  | ) |

Gtk::Label::Label | ( | const Glib::ustring & | label,
|  | bool | mnemonic = `false`
| ) |  |
| explicit

Gtk::Label::Label | ( | const Glib::ustring & | label,
|  | float | xalign,
|  | float | yalign,
|  | bool | mnemonic = `false`
| ) |  |

This constructor is a shortcut for often used code when you want to create a label with alignment different than default one.

Gtk::Label label(text, x, y, mnemonic);

is equivalent to:

Gtk::Label label(text, mnemonic);
label.set_alignment(x, y);

Gtk::Label::Label | ( | const Glib::ustring & | label,
|  | AlignmentEnum | xalign,
|  | AlignmentEnum | yalign = `ALIGN_CENTER`,
|  | bool | mnemonic = `false`
| ) |  |

This constructor is a shortcut for often used code when you want to create a label with alignment different than default one.

Gtk::Label label(text, x, y, mnemonic);

is equivalent to:

Gtk::Label label(text, mnemonic);
label.set_alignment(x, y);

## Member Function Documentation

double Gtk::Label::get_angle | ( |  | ) | const

Gets the angle of rotation for the label.

See set_angle().

Since gtkmm 2.6:

Returns
  The angle of rotation for the label.

Pango::AttrList Gtk::Label::get_attributes | ( |  | ) | const

Gets the attribute list that was set on the label using set_attributes(), if any.

This function does not reflect attributes that come from the labels markup (see set_markup()). If you want to get the effective attributes for the label, use pango_layout_get_attribute (gtk_label_get_layout (label)).

Returns
  The attribute list, or `nullptr` if none was set.

Glib::ustring Gtk::Label::get_current_uri | ( |  | ) | const

Returns the URI for the currently active link in the label.

The active link is the one under the mouse pointer or, in a selectable label, the link in which the text cursor is currently positioned.

This function is intended for use in a Gtk::Label::signal_activate_link() handler or for use in a Gtk::Widget::signal_query_tooltip() handler.

Since gtkmm 2.18:

Returns
  The currently active URI. The string is owned by GTK+ and must not be freed or modified.

Pango::EllipsizeMode Gtk::Label::get_ellipsize | ( |  | ) | const

Returns the ellipsizing position of the label.

See set_ellipsize().

Since gtkmm 2.6:

Returns
  Pango::EllipsizeMode.

Justification Gtk::Label::get_justify | ( |  | ) | const

Returns the justification of the label.

See set_justify().

Returns
  Gtk::Justification.

Glib::ustring Gtk::Label::get_label | ( |  | ) | const

Fetches the text from a label widget including any embedded underlines indicating mnemonics and Pango markup.

(See get_text()).

Returns
  The text of the label widget..

Glib::RefPtr<Pango::Layout> Gtk::Label::get_layout | ( |  | ) |

Gets the Pango::Layout used to display the label.

The layout is useful to e.g. convert text positions to pixel positions, in combination with get_layout_offsets().

Returns
  The Pango::Layout for this label.

Glib::RefPtr<const Pango::Layout> Gtk::Label::get_layout | ( |  | ) | const

Gets the Pango::Layout used to display the label.

The layout is useful to e.g. convert text positions to pixel positions, in combination with get_layout_offsets().

Returns
  The Pango::Layout for this label.

void Gtk::Label::get_layout_offsets | ( | int & | x,
|  | int & | y
| ) |  | const

Obtains the coordinates where the label will draw the Pango::Layout representing the text in the label; useful to convert mouse events into coordinates inside the Pango::Layout, e.g. to take some action if some part of the label is clicked.

Of course you will need to create a Gtk::EventBox to receive the events, and pack the label inside it, since labels are a Gtk::NO_WINDOW widget. Remember when using the Pango::Layout functions you need to convert to and from pixels using PANGO_PIXELS() or Pango::SCALE.

Parameters

  x | Location to store X offset of layout, or `nullptr`.
  y | Location to store Y offset of layout, or `nullptr`.

bool Gtk::Label::get_line_wrap | ( |  | ) | const

Returns whether lines in the label are automatically wrapped.

See set_line_wrap().

Returns
  `true` if the lines of the label are automatically wrapped.

Pango::WrapMode Gtk::Label::get_line_wrap_mode | ( |  | ) | const

Returns line wrap mode used by the label.

See set_line_wrap_mode().

Since gtkmm 2.10:

Returns
  `true` if the lines of the label are automatically wrapped.

int Gtk::Label::get_max_width_chars | ( |  | ) | const

Retrieves the desired maximum width of label, in characters.

See set_width_chars().

Since gtkmm 2.6:

Returns
  The maximum width of the label in characters.

guint Gtk::Label::get_mnemonic_keyval | ( |  | ) | const

If the label has been set so that it has an mnemonic key this function returns the keyval used for the mnemonic accelerator.

If there is no mnemonic set up it returns #GDK_VoidSymbol.

Returns
  GDK keyval usable for accelerators, or #GDK_VoidSymbol.

Widget* Gtk::Label::get_mnemonic_widget | ( |  | ) |

Retrieves the target of the mnemonic (keyboard shortcut) of this label.

See set_mnemonic_widget().

Returns
  The target of the label's mnemonic, or `nullptr` if none has been set and the default algorithm will be used.

const Widget* Gtk::Label::get_mnemonic_widget | ( |  | ) | const

Retrieves the target of the mnemonic (keyboard shortcut) of this label.

See set_mnemonic_widget().

Returns
  The target of the label's mnemonic, or `nullptr` if none has been set and the default algorithm will be used.

bool Gtk::Label::get_selectable | ( |  | ) | const

Gets the value set by set_selectable().

Returns
  `true` if the user can copy text from the label.

bool Gtk::Label::get_selection_bounds | ( | int & | start,
|  | int & | end
| ) |  | const

Gets the selected range of characters in the label, returning `true` if there's a selection.

Parameters

  start | Return location for start of selection, as a character offset.
  end | Return location for end of selection, as a character offset.

Returns
  `true` if selection is non-empty.

bool Gtk::Label::get_single_line_mode | ( |  | ) | const

Returns whether the label is in single line mode.

Since gtkmm 2.6:

Returns
  `true` when the label is in single line mode.

Glib::ustring Gtk::Label::get_text | ( |  | ) | const

Fetches the text from a label widget, as displayed on the screen.

This does not include any embedded underlines indicating mnemonics or Pango markup. (See get_label())

Returns
  The text in the label widget.

bool Gtk::Label::get_track_visited_links | ( |  | ) | const

Returns whether the label is currently keeping track of clicked links.

Since gtkmm 2.18:

Returns
  `true` if clicked links are remembered.

bool Gtk::Label::get_use_markup | ( |  | ) | const

Returns whether the label's text is interpreted as marked up with the Pango text markup language.

See set_use_markup().

Returns
  `true` if the label's text will be parsed for markup.

bool Gtk::Label::get_use_underline | ( |  | ) | const

Returns whether an embedded underline in the label indicates a mnemonic.

See set_use_underline().

Returns
  `true` whether an embedded underline in the label indicates the mnemonic accelerator keys.

int Gtk::Label::get_width_chars | ( |  | ) | const

Retrieves the desired width of label, in characters.

See set_width_chars().

Since gtkmm 2.6:

Returns
  The width of the label in characters.

GtkLabel* Gtk::Label::gobj | ( |  | ) |
| inline

Provides access to the underlying C GtkObject.

const GtkLabel* Gtk::Label::gobj | ( |  | ) | const
| inline

Provides access to the underlying C GtkObject.

virtual void Gtk::Label::on_populate_popup | ( | Menu* | menu | ) |
| protected virtual

This is a default handler for the signal signal_populate_popup().

Glib::PropertyProxy< double > Gtk::Label::property_angle | ( |  | ) |

Angle at which the label is rotated.

Returns
  A PropertyProxy that allows you to get or set the value of the property, or receive notification when the value of the property changes.

Glib::PropertyProxy_ReadOnly< double > Gtk::Label::property_angle | ( |  | ) | const

Angle at which the label is rotated.

Returns
  A PropertyProxy_ReadOnly that allows you to get the value of the property, or receive notification when the value of the property changes.

Glib::PropertyProxy< Pango::AttrList > Gtk::Label::property_attributes | ( |  | ) |

A list of style attributes to apply to the text of the label.

Returns
  A PropertyProxy that allows you to get or set the value of the property, or receive notification when the value of the property changes.

Glib::PropertyProxy_ReadOnly< Pango::AttrList > Gtk::Label::property_attributes | ( |  | ) | const

A list of style attributes to apply to the text of the label.

Returns
  A PropertyProxy_ReadOnly that allows you to get the value of the property, or receive notification when the value of the property changes.

Glib::PropertyProxy_ReadOnly< int > Gtk::Label::property_cursor_position | ( |  | ) | const

The current position of the insertion cursor in chars.

Returns
  A PropertyProxy_ReadOnly that allows you to get the value of the property, or receive notification when the value of the property changes.

Glib::PropertyProxy< Pango::EllipsizeMode > Gtk::Label::property_ellipsize | ( |  | ) |

The preferred place to ellipsize the string, if the label does not have enough room to display the entire string.

Returns
  A PropertyProxy that allows you to get or set the value of the property, or receive notification when the value of the property changes.

Glib::PropertyProxy_ReadOnly< Pango::EllipsizeMode > Gtk::Label::property_ellipsize | ( |  | ) | const

The preferred place to ellipsize the string, if the label does not have enough room to display the entire string.

Returns
  A PropertyProxy_ReadOnly that allows you to get the value of the property, or receive notification when the value of the property changes.

Glib::PropertyProxy< Justification > Gtk::Label::property_justify | ( |  | ) |

The alignment of the lines in the text of the label relative to each other.

This does NOT affect the alignment of the label within its allocation. See GtkMisc::xalign for that.

Returns
  A PropertyProxy that allows you to get or set the value of the property, or receive notification when the value of the property changes.

Glib::PropertyProxy_ReadOnly< Justification > Gtk::Label::property_justify | ( |  | ) | const

The alignment of the lines in the text of the label relative to each other.

This does NOT affect the alignment of the label within its allocation. See GtkMisc::xalign for that.

Returns
  A PropertyProxy_ReadOnly that allows you to get the value of the property, or receive notification when the value of the property changes.

Glib::PropertyProxy< Glib::ustring > Gtk::Label::property_label | ( |  | ) |

The text of the label.

Returns
  A PropertyProxy that allows you to get or set the value of the property, or receive notification when the value of the property changes.

Glib::PropertyProxy_ReadOnly< Glib::ustring > Gtk::Label::property_label | ( |  | ) | const

The text of the label.

Returns
  A PropertyProxy_ReadOnly that allows you to get the value of the property, or receive notification when the value of the property changes.

Glib::PropertyProxy< int > Gtk::Label::property_max_width_chars | ( |  | ) |

The desired maximum width of the label, in characters.

Returns
  A PropertyProxy that allows you to get or set the value of the property, or receive notification when the value of the property changes.

Glib::PropertyProxy_ReadOnly< int > Gtk::Label::property_max_width_chars | ( |  | ) | const

The desired maximum width of the label, in characters.

Returns
  A PropertyProxy_ReadOnly that allows you to get the value of the property, or receive notification when the value of the property changes.

Glib::PropertyProxy_ReadOnly< guint > Gtk::Label::property_mnemonic_keyval | ( |  | ) | const

The mnemonic accelerator key for this label.

Returns
  A PropertyProxy_ReadOnly that allows you to get the value of the property, or receive notification when the value of the property changes.

Glib::PropertyProxy< Widget* > Gtk::Label::property_mnemonic_widget | ( |  | ) |

The widget to be activated when the label's mnemonic key is pressed.

Returns
  A PropertyProxy that allows you to get or set the value of the property, or receive notification when the value of the property changes.

Glib::PropertyProxy_ReadOnly< Widget* > Gtk::Label::property_mnemonic_widget | ( |  | ) | const

The widget to be activated when the label's mnemonic key is pressed.

Returns
  A PropertyProxy_ReadOnly that allows you to get the value of the property, or receive notification when the value of the property changes.

Glib::PropertyProxy_WriteOnly< Glib::ustring > Gtk::Label::property_pattern | ( |  | ) |

A string with _ characters in positions correspond to characters in the text to underline.

Returns
  A PropertyProxy_WriteOnly that allows you to set the value of the property, or receive notification when the value of the property changes.

Glib::PropertyProxy< bool > Gtk::Label::property_selectable | ( |  | ) |

Whether the label text can be selected with the mouse.

Returns
  A PropertyProxy that allows you to get or set the value of the property, or receive notification when the value of the property changes.

Glib::PropertyProxy_ReadOnly< bool > Gtk::Label::property_selectable | ( |  | ) | const

Whether the label text can be selected with the mouse.

Returns
  A PropertyProxy_ReadOnly that allows you to get the value of the property, or receive notification when the value of the property changes.

Glib::PropertyProxy_ReadOnly< int > Gtk::Label::property_selection_bound | ( |  | ) | const

The position of the opposite end of the selection from the cursor in chars.

Returns
  A PropertyProxy_ReadOnly that allows you to get the value of the property, or receive notification when the value of the property changes.

Glib::PropertyProxy< bool > Gtk::Label::property_single_line_mode | ( |  | ) |

Whether the label is in single line mode.

Returns
  A PropertyProxy that allows you to get or set the value of the property, or receive notification when the value of the property changes.

Glib::PropertyProxy_ReadOnly< bool > Gtk::Label::property_single_line_mode | ( |  | ) | const

Whether the label is in single line mode.

Returns
  A PropertyProxy_ReadOnly that allows you to get the value of the property, or receive notification when the value of the property changes.

Glib::PropertyProxy< bool > Gtk::Label::property_track_visited_links | ( |  | ) |

Whether visited links should be tracked.

Returns
  A PropertyProxy that allows you to get or set the value of the property, or receive notification when the value of the property changes.

Glib::PropertyProxy_ReadOnly< bool > Gtk::Label::property_track_visited_links | ( |  | ) | const

Whether visited links should be tracked.

Returns
  A PropertyProxy_ReadOnly that allows you to get the value of the property, or receive notification when the value of the property changes.

Glib::PropertyProxy< bool > Gtk::Label::property_use_markup | ( |  | ) |

The text of the label includes XML markup.

See pango_parse_markup().

Returns
  A PropertyProxy that allows you to get or set the value of the property, or receive notification when the value of the property changes.

Glib::PropertyProxy_ReadOnly< bool > Gtk::Label::property_use_markup | ( |  | ) | const

The text of the label includes XML markup.

See pango_parse_markup().

Returns
  A PropertyProxy_ReadOnly that allows you to get the value of the property, or receive notification when the value of the property changes.

Glib::PropertyProxy< bool > Gtk::Label::property_use_underline | ( |  | ) |

If set, an underline in the text indicates the next character should be used for the mnemonic accelerator key.

Returns
  A PropertyProxy that allows you to get or set the value of the property, or receive notification when the value of the property changes.

Glib::PropertyProxy_ReadOnly< bool > Gtk::Label::property_use_underline | ( |  | ) | const

If set, an underline in the text indicates the next character should be used for the mnemonic accelerator key.

Returns
  A PropertyProxy_ReadOnly that allows you to get the value of the property, or receive notification when the value of the property changes.

Glib::PropertyProxy< int > Gtk::Label::property_width_chars | ( |  | ) |

The desired width of the label, in characters.

Returns
  A PropertyProxy that allows you to get or set the value of the property, or receive notification when the value of the property changes.

Glib::PropertyProxy_ReadOnly< int > Gtk::Label::property_width_chars | ( |  | ) | const

The desired width of the label, in characters.

Returns
  A PropertyProxy_ReadOnly that allows you to get the value of the property, or receive notification when the value of the property changes.

Glib::PropertyProxy< bool > Gtk::Label::property_wrap | ( |  | ) |

If set, wrap lines if the text becomes too wide.

Returns
  A PropertyProxy that allows you to get or set the value of the property, or receive notification when the value of the property changes.

Glib::PropertyProxy_ReadOnly< bool > Gtk::Label::property_wrap | ( |  | ) | const

If set, wrap lines if the text becomes too wide.

Returns
  A PropertyProxy_ReadOnly that allows you to get the value of the property, or receive notification when the value of the property changes.

Glib::PropertyProxy< Pango::WrapMode > Gtk::Label::property_wrap_mode | ( |  | ) |

If wrap is set, controls how linewrapping is done.

Returns
  A PropertyProxy that allows you to get or set the value of the property, or receive notification when the value of the property changes.

Glib::PropertyProxy_ReadOnly< Pango::WrapMode > Gtk::Label::property_wrap_mode | ( |  | ) | const

If wrap is set, controls how linewrapping is done.

Returns
  A PropertyProxy_ReadOnly that allows you to get the value of the property, or receive notification when the value of the property changes.

void Gtk::Label::select_region | ( | int | start_offset,
|  | int | end_offset
| ) |  |

Selects a range of characters in the label, if the label is selectable.

See set_selectable(). If the label is not selectable, this function has no effect. If start_offset or end_offset are -1, then the end of the label will be substituted.

Parameters

  start_offset | Start offset (in characters not bytes).
  end_offset | End offset (in characters not bytes).

void Gtk::Label::select_region | ( | int | start_offset | ) |

Selects a range of characters in the label, from start_offset to the end, if the label is selectable.

See gtk_label_set_selectable(). If the label is not selectable, this function has no effect.

Parameters

  start_offset | Start offset (in characters not bytes)

void Gtk::Label::set_angle | ( | double | angle | ) |

Sets the angle of rotation for the label.

An angle of 90 reads from from bottom to top, an angle of 270, from top to bottom. The angle setting for the label is ignored if the label is selectable, wrapped, or ellipsized.

Since gtkmm 2.6:

Parameters

  angle | The angle that the baseline of the label makes with the horizontal, in degrees, measured counterclockwise.

void Gtk::Label::set_attributes | ( | Pango::AttrList & | attrs | ) |

Sets a Pango::AttrList; the attributes in the list are applied to the label text.

<note>The attributes set with this function will be applied and merged with any other attributes previously effected by way of the Gtk::Label::property_use_underline() or Gtk::Label::property_use_markup() properties. While it is not recommended to mix markup strings with manually set attributes, if you must; know that the attributes will be applied to the label after the markup string is parsed.</note>

Parameters

  attrs | A Pango::AttrList.

void Gtk::Label::set_ellipsize | ( | Pango::EllipsizeMode | mode | ) |

Sets the mode used to ellipsize (add an ellipsis: "...") to the text if there is not enough space to render the entire string.

Since gtkmm 2.6:

Parameters

  mode | A Pango::EllipsizeMode.

void Gtk::Label::set_justify | ( | Justification | jtype | ) |

Sets the alignment of the lines in the text of the label relative to each other.

Gtk::JUSTIFY_LEFT is the default value when the widget is first created with new(). If you instead want to set the alignment of the label as a whole, use Gtk::Misc::set_alignment() instead. set_justify() has no effect on labels containing only a single line.

Parameters

  jtype | A Gtk::Justification.

void Gtk::Label::set_label | ( | const Glib::ustring & | str | ) |

Sets the text of the label.

The label is interpreted as including embedded underlines and/or Pango markup depending on the values of the Gtk::Label::property_use_underline()" and Gtk::Label::property_use_markup() properties.

Parameters

  str | The new text to set for the label.

void Gtk::Label::set_line_wrap | ( | bool | wrap = `true` | ) |

Toggles line wrapping within the Gtk::Label widget.

`true` makes it break lines if text exceeds the widget's size. `false` lets the text get cut off by the edge of the widget if it exceeds the widget size.

Note that setting line wrapping to `true` does not make the label wrap at its parent container's width, because GTK+ widgets conceptually can't make their requisition depend on the parent container's size. For a label that wraps at a specific position, set the label's width using Gtk::Widget::set_size_request().

Parameters

  wrap | The setting.

void Gtk::Label::set_line_wrap_mode | ( | Pango::WrapMode | wrap_mode | ) |

If line wrapping is on (see set_line_wrap()) this controls how the line wrapping is done.

The default is Pango::WRAP_WORD which means wrap on word boundaries.

Since gtkmm 2.10:

Parameters

  wrap_mode | The line wrapping mode.

void Gtk::Label::set_markup | ( | const Glib::ustring & | str | ) |

Parses str which is marked up with the Pango text markup language, setting the label's text and attribute list based on the parse results.

If the str is external data, you may need to escape it with Glib::markup_escape_text() or Glib::markup_printf_escaped():

[C example ellipted]

Parameters

  str | A markup string (see Pango markup format).

void Gtk::Label::set_markup_with_mnemonic | ( | const Glib::ustring & | str | ) |

Parses str which is marked up with the Pango text markup language, setting the label's text and attribute list based on the parse results.

If characters in str are preceded by an underscore, they are underlined indicating that they represent a keyboard accelerator called a mnemonic.

The mnemonic key can be used to activate another widget, chosen automatically, or explicitly using set_mnemonic_widget().

Parameters

  str | A markup string (see Pango markup format).

void Gtk::Label::set_max_width_chars | ( | int | n_chars | ) |

Sets the desired maximum width in characters of label to n_chars.

Since gtkmm 2.6:

Parameters

  n_chars | The new desired maximum width, in characters.

void Gtk::Label::set_mnemonic_widget | ( | Widget& | widget | ) |

If the label has been set so that it has an mnemonic key (using i.e. set_markup_with_mnemonic(), set_text_with_mnemonic(), new_with_mnemonic() or the "use_underline" property) the label can be associated with a widget that is the target of the mnemonic.

When the label is inside a widget (like a Gtk::Button or a Gtk::Notebook tab) it is automatically associated with the correct widget, but sometimes (i.e. when the target is a Gtk::Entry next to the label) you need to set it explicitly using this function.

The target widget will be accelerated by emitting the GtkWidget::mnemonic-activate signal on it. The default handler for this signal will activate the widget if there are no mnemonic collisions and toggle focus between the colliding widgets otherwise.

Parameters

  widget | The target Gtk::Widget.

void Gtk::Label::set_pattern | ( | const Glib::ustring & | pattern | ) |

void Gtk::Label::set_selectable | ( | bool | setting = `true` | ) |

Selectable labels allow the user to select text from the label, for copy-and-paste.

Parameters

  setting | `true` to allow selecting text in the label.

void Gtk::Label::set_single_line_mode | ( | bool | single_line_mode = `true` | ) |

Sets whether the label is in single line mode.

Since gtkmm 2.6:

Parameters

  single_line_mode | `true` if the label should be in single line mode.

void Gtk::Label::set_text | ( | const Glib::ustring & | str | ) |

Doesn't use markup.

void Gtk::Label::set_text_with_mnemonic | ( | const Glib::ustring & | str | ) |

Sets the label's text from the string str.

If characters in str are preceded by an underscore, they are underlined indicating that they represent a keyboard accelerator called a mnemonic. The mnemonic key can be used to activate another widget, chosen automatically, or explicitly using set_mnemonic_widget().

Parameters

  str | A string.

void Gtk::Label::set_track_visited_links | ( | bool | track_links = `true` | ) |

Sets whether the label should keep track of clicked links (and use a different color for them).

Since gtkmm 2.18:

Parameters

  track_links | `true` to track visited links.

void Gtk::Label::set_use_markup | ( | bool | setting = `true` | ) |

Sets whether the text of the label contains markup in Pango's text markup language.

See set_markup().

Parameters

  setting | `true` if the label's text should be parsed for markup.

void Gtk::Label::set_use_underline | ( | bool | setting = `true` | ) |

If true, an underline in the text indicates the next character should be used for the mnemonic accelerator key.

Parameters

  setting | `true` if underlines in the text indicate mnemonics.

void Gtk::Label::set_width_chars | ( | int | n_chars | ) |

Sets the desired width in characters of label to n_chars.

Since gtkmm 2.6:

Parameters

  n_chars | The new desired width, in characters.

Glib::SignalProxy< bool,const Glib::ustring& > Gtk::Label::signal_activate_link | ( |  | ) |

Slot Prototype:
  `bool on_my_activate_link(const Glib::ustring& uri)`

Glib::SignalProxy< void,Menu* > Gtk::Label::signal_populate_popup | ( |  | ) |

Slot Prototype:
  `void on_my_populate_popup(Menu* menu)`

## Friends And Related Function Documentation

Gtk::Label* wrap | ( | GtkLabel * | object,
|  | bool | take_copy = `false`
| ) |  |
| related

A Glib::wrap() method for this object.

Parameters

  object | The C instance.
  take_copy | False if the result should take ownership of the C instance. True if it should take a new copy or ref.

Returns
  A C++ instance that wraps this C instance.

The documentation for this class was generated from the following file:

- gtkmm/label.h