Package-level declarations
Types
The GtkAboutDialog offers a simple way to display information about a program.
GtkAccessible is an interface for describing UI elements for Assistive Technologies.
The possible values for the %GTK_ACCESSIBLE_PROPERTY_AUTOCOMPLETE accessible property.
The possible values for the %GTK_ACCESSIBLE_STATE_INVALID accessible state.
The possible accessible properties of a iface@Accessible.
The possible accessible relations of a iface@Accessible.
The accessible role for a iface@Accessible implementation.
The possible values for the %GTK_ACCESSIBLE_PROPERTY_SORT accessible property.
The possible accessible states of a iface@Accessible.
The possible values for the %GTK_ACCESSIBLE_STATE_PRESSED accessible state.
The GtkActionable interface provides a convenient way of asscociating widgets with actions.
A GtkShortcutAction that calls gtk_widget_activate().
GtkAdjustment is a model for a numeric value.
A GtkShortcutTrigger that combines two triggers.
GtkAnyFilter matches an item when at least one of its filters matches.
GtkAppChooser is an interface for widgets which allow the user to choose an application.
The GtkAppChooserButton lets the user select an application.
GtkAppChooserDialog shows a GtkAppChooserWidget inside a GtkDialog.
GtkAppChooserWidget is a widget for selecting applications.
GtkApplication is a high-level API for writing applications.
Types of user actions that may be blocked by GtkApplication.
GtkApplicationWindow is a GtkWindow subclass that integrates with GtkApplication.
GtkAspectFrame preserves the aspect ratio of its child.
GtkAssistantPage is an auxiliary object used by `GtkAssistant.
Type of callback used to calculate the next page in a GtkAssistant.
Determines the page role inside a GtkAssistant.
Baseline position in a row of widgets.
GtkBinLayout is a GtkLayoutManager subclass useful for create "bins" of widgets.
An opaque, stack-allocated struct for iterating over the elements of a GtkBitset.
GtkBookmarkList is a list model that wraps GBookmarkFile.
GtkBoolFilter evaluates a boolean GtkExpression to determine whether to include items.
Describes how the border of a UI element should be rendered.
The GtkBox widget arranges child widgets into a single row or column.
GtkBoxLayout is a layout manager that arranges children in a single row or column.
A sub-parser for GtkBuildable implementations.
The list of flags that can be passed to gtk_builder_create_closure().
A GtkBuilderScope implementation for the C language.
Error codes that identify various errors that can occur while using GtkBuilder.
GtkBuilderListItemFactory is a GtkListItemFactory that creates widgets by instantiating GtkBuilder UI templates.
GtkBuilderScope is an interface to provide language binding support to GtkBuilder.
The GtkButton widget is generally used to trigger a callback function that is called when the button is pressed.
Prebuilt sets of buttons for GtkDialog.
A GtkShortcutAction that invokes a callback.
A variant of GtkClosureExpression using a C closure.
The type of the callback functions used for iterating over the cell renderers and their allocated areas inside a GtkCellArea, see gtk_cell_area_foreach_alloc().
An abstract class for laying out GtkCellRenderers
A cell area that renders GtkCellRenderers into a row or a column
Stores geometrical information for a series of rows in a GtkCellArea
The type of the callback functions used for iterating over the cell renderers of a GtkCellArea, see gtk_cell_area_foreach().
Interface for widgets that can be used for editing cells
An interface for packing cells
A function which should set the value of @cell_layout’s cell renderer(s) as appropriate.
An object for rendering a single cell
Renders a keyboard accelerator in a cell
The available modes for property@Gtk.CellRendererAccel:accel-mode.
Renders a combobox in a cell
Identifies how the user can interact with a particular cell.
Renders a pixbuf in a cell
Renders numbers as progress bars
Renders a spin button in a cell
Renders a spinning animation in a cell
Tells how a cell is to be rendered.
Renders text in a cell
Renders a toggle button in a cell
A widget displaying a single row of a GtkTreeModel
GtkCenterBox arranges three children in a row, keeping the middle child centered as well as possible.
GtkCenterLayout is a layout manager that manages up to three children.
A GtkCheckButton places a label next to an indicator.
An expression using a custom GClosure to compute the value from its parameters.
The GtkColorButton allows to open a color chooser dialog to change the color.
GtkColorChooser is an interface that is implemented by widgets for choosing colors.
A dialog for choosing a color.
The GtkColorChooserWidget widget lets the user select a color.
GtkColumnView presents a large dynamic list of items using multiple columns with headers.
GtkColumnViewColumn represents the columns being added to GtkColumnView.
A GtkComboBox is a widget that allows the user to choose from a list of valid choices.
A GtkComboBoxText is a simple variant of GtkComboBox for text-only use cases.
A constant value in a GtkExpression.
GtkConstraint describes a constraint between attributes of two widgets, expressed as a linear equation.
The widget attributes that can be used when creating a class@Constraint.
A GtkConstraintGuide is an invisible layout element in a GtkConstraintLayout.
A layout manager using constraints to describe relations between widgets.
GtkLayoutChild subclass for children in a GtkConstraintLayout.
The relation between two terms of a constraint.
The strength of a constraint, expressed as a symbolic constant.
The GtkConstraintTarget interface is implemented by objects that can be used as source or target in GtkConstraints.
Domain for VFL parsing errors.
Specifies which corner a child widget should be placed in when packed into a GtkScrolledWindow.
Represents a location in a file or other source of data parsed by the CSS engine.
Errors that can occur while parsing CSS.
Warnings that can occur while parsing CSS.
GtkCssProvider is an object implementing the GtkStyleProvider interface for CSS.
Defines a part of a CSS document.
GtkCustomFilter determines whether to include items with a callback.
User function that is called to determine if the @item should be matched.
GtkCustomLayout uses closures for size negotiation.
A function to be used by GtkCustomLayout to measure a widget.
Queries a widget for its preferred size request mode.
GtkCustomSorter is a GtkSorter implementation that sorts via a callback function.
Flags to use with gtk_set_debug_flags().
Passed to various keybinding signals for deleting text.
Flags used to influence dialog construction.
Focus movement types.
GtkDirectoryList is a list model that wraps g_file_enumerate_children_async().
GtkDragSource is an event controller to initiate Drag-And-Drop operations.
GtkDrawingArea is a widget that allows drawing with cairo.
Whenever @drawing_area needs to redraw, this function will be called.
GtkDropControllerMotion is an event controller tracking the pointer during Drag-and-Drop operations.
GtkDropTarget is an event controller to receive Drag-and-Drop operations.
GtkDropTargetAsync is an event controller to receive Drag-and-Drop operations, asynchronously.
A GtkEditableLabel is a label that allows users to edit the text by switching to an “edit mode”.
The identifiers for iface@Gtk.Editable properties.
The GtkEmojiChooser is used by text widgets such as GtkEntry or GtkTextView to let users insert Emoji characters.
GtkEntry is a single line text entry widget.
A GtkEntryBuffer hold the text displayed in a GtkText widget.
GtkEntryCompletion is an auxiliary object to provide completion functionality for GtkEntry.
A function which decides whether the row indicated by @iter matches a given @key, and should be displayed as a possible completion for @key.
Specifies the side of the entry at which an icon is placed.
GtkEventController is the base class for event controllers.
GtkEventControllerFocus is an event controller to keep track of keyboard focus.
GtkEventControllerKey is an event controller that provides access to key events.
GtkEventControllerLegacy is an event controller that provides raw access to the event stream.
GtkEventControllerMotion is an event controller tracking the pointer position.
GtkEventControllerScroll is an event controller that handles scroll events.
Describes the behavior of a GtkEventControllerScroll.
Describes the state of a struct@Gdk.EventSequence in a class@Gesture.
GtkEveryFilter matches an item when each of its filters matches.
GtkExpression provides a way to describe references to values.
Callback called by gtk_expression_watch() when the expression value changes.
An opaque structure representing a watched GtkExpression.
GtkFileChooser is an interface that can be implemented by file selection widgets.
Describes whether a GtkFileChooser is being used to open existing files or to save to a possibly new file.
GtkFileChooserDialog is a dialog suitable for use with “File Open” or “File Save” commands.
These identify the various errors that can occur while calling GtkFileChooser functions.
GtkFileChooserNative is an abstraction of a dialog suitable for use with “File Open” or “File Save as” commands.
GtkFileChooserWidget is a widget for choosing files.
GtkFileFilter filters files by name or mime type.
Describes changes in a filter in more detail and allows objects using the filter to optimize refiltering items.
GtkFilterListModel is a list model that filters the elements of the underlying model according to a GtkFilter.
Describes the known strictness of a filter.
GtkFixedLayout is a layout manager which can place child widgets at fixed positions.
GtkLayoutChild subclass for children in a GtkFixedLayout.
GtkFlattenListModel is a list model that concatenates other list models.
A GtkFlowBox puts child widgets in reflowing grid.
GtkFlowBoxChild is the kind of widget that can be added to a GtkFlowBox.
Called for flow boxes that are bound to a GListModel.
A function that will be called whenever a child changes or is added.
A function used by gtk_flow_box_selected_foreach().
A function to compare two children to determine which should come first.
The GtkFontButton allows to open a font chooser dialog to change the font.
GtkFontChooser is an interface that can be implemented by widgets for choosing fonts.
The GtkFontChooserDialog widget is a dialog for selecting a font.
Specifies the granularity of font selection that is desired in a GtkFontChooser.
The GtkFontChooserWidget widget lets the user select a font.
The type of function that is used for deciding what fonts get shown in a GtkFontChooser.
GtkGesture is the base class for gesture recognition.
GtkGestureClick is a GtkGesture implementation for clicks.
GtkGestureDrag is a GtkGesture implementation for drags.
GtkGestureLongPress is a GtkGesture for long presses.
GtkGesturePan is a GtkGesture for pan gestures.
GtkGestureRotate is a GtkGesture for 2-finger rotations.
GtkGestureSingle is a GtkGestures subclass optimized for singe-touch and mouse gestures.
GtkGestureStylus is a GtkGesture specific to stylus input.
GtkGestureSwipe is a GtkGesture for swipe gestures.
GtkGestureZoom is a GtkGesture for 2-finger pinch/zoom gestures.
GtkGrid is a container which arranges its child widgets in rows and columns.
GtkGridLayout is a layout manager which arranges child widgets in rows and columns.
GtkLayoutChild subclass for children in a GtkGridLayout.
Used to specify options for gtk_icon_theme_lookup_icon().
Contains information found when looking up an icon in GtkIconTheme.
Error codes for GtkIconTheme operations.
GtkIconView is a widget which displays data in a grid of icons.
An enum for determining where a dropped item goes.
A function used by gtk_icon_view_selected_foreach() to map all selected rows.
GtkIMContextSimple is an input method supporting table-based input methods.
GtkIMMulticontext is an input method context supporting multiple, switchable input methods.
Describes hints that might be taken into account by input methods or applications.
Describes primary purpose of the input widget.
Used for justifying the text inside a class@Label widget.
A GtkShortcutTrigger that triggers when a specific keyval and modifiers are pressed.
GtkLayoutChild is the base class for objects that are meant to hold layout properties.
Layout managers are delegate classes that handle the preferred size and the allocation of a widget.
GtkLevelBar is a widget that can be used as a level indicator.
Describes how class@LevelBar contents should be rendered.
A GtkLinkButton is a button with a hyperlink.
GtkListBase is the abstract base class for GTK's list widgets.
Called for list boxes that are bound to a GListModel with gtk_list_box_bind_model() for each item that gets added to the model.
Will be called whenever the row changes or is added and lets you control if the row should be visible or not.
A function used by gtk_list_box_selected_foreach().
GtkListBoxRow is the kind of widget that can be added to a GtkListBox.
Compare two rows to determine which should be first.
Whenever @row changes or which row is before @row changes this is called, which lets you update the header on @row.
A GtkListItemFactory creates widgets for the items taken from a GListModel.
A list-like data structure that can be used with the class@Gtk.TreeView.
GtkLockButton is a widget to obtain and revoke authorizations needed to operate the controls.
A GtkMapListModel maps the items in a list model to different items.
User function that is called to map an @item of the original model to an item expected by the map model.
GtkMediaControls is a widget to show controls for a video.
GtkMediaFile implements GtkMediaStream for files.
GtkMediaStream is the integration point for media playback inside GTK.
The GtkMenuButton widget is used to display a popup when clicked.
User-provided callback function to create a popup for a GtkMenuButton on demand.
GtkMessageDialog presents a dialog with some message text.
The type of message being displayed in a class@MessageDialog.
A GtkShortcutAction that calls gtk_widget_mnemonic_activate().
A GtkShortcutTrigger that triggers when a specific mnemonic is pressed.
GtkMountOperation is an implementation of GMountOperation.
Passed as argument to various keybinding signals for moving the cursor position.
GtkMultiFilter is the base class for filters that combine multiple filters.
GtkMultiSelection is a GtkSelectionModel that allows selecting multiple elements.
GtkMultiSorter combines multiple sorters by trying them in turn.
A GtkShortcutAction that activates an action by name.
Native dialogs are platform dialogs that don't use GtkDialog.
Options for selecting a different wrap mode for natural size requests.
A GtkShortcutTrigger that never triggers.
GtkNoSelection is a GtkSelectionModel that does not allow selecting anything.
GtkNotebookPage is an auxiliary object used by GtkNotebook.
The parameter used in the action signals of GtkNotebook.
A GtkShortcutAction that does nothing.
Used to determine the layout of pages on a sheet when printing multiple pages per sheet.
GtkNumericSorter is a GtkSorter that compares numbers.
A GObject value in a GtkExpression.
The GtkOrientable interface is implemented by all widgets that can be oriented horizontally or vertically.
Represents the orientation of widgets and other objects.
GtkOverlayLayout is the layout manager used by GtkOverlay.
GtkLayoutChild subclass for children in a GtkOverlayLayout.
Struct defining a pad action entry.
The type of a pad action.
GtkPadController is an event controller for the pads found in drawing tablets.
See also gtk_print_settings_set_orientation().
The type of function that is passed to gtk_print_run_page_setup_dialog_async().
GtkPageSetupUnixDialog implements a page setup dialog for platforms which don’t provide a native page setup dialog, like Unix.
Describes the panning direction of a class@GesturePan.
A widget with two panes, arranged either horizontally or vertically.
A GParamSpec for properties holding a GtkExpression.
GtkPasswordEntry is an entry that has been tailored for entering secrets.
A GtkEntryBuffer that locks the underlying memory to prevent it from being swapped to disk.
Flags that influence the behavior of method@Widget.pick.
Determines how the size should be computed to achieve the one of the visibility mode for the scrollbars.
GtkPopover is a bubble-like context popup.
GtkPopoverMenu is a subclass of GtkPopover that implements menu behavior.
GtkPopoverMenuBar presents a horizontal bar of items that pop up popover menus when clicked.
Flags that affect how popover menus are created from a menu model.
Describes which edge of a widget a certain feature is positioned at.
Specifies which features the print dialog should offer.
A GtkPrintContext encapsulates context information that is required when drawing pages for printing.
See also gtk_print_settings_set_duplex().
The type of function passed to gtk_enumerate_printers().
Error codes that identify various errors that can occur while using the GTK printing support.
The type of callback that is passed to gtk_print_job_send().
GtkPrintOperation is the high-level, portable printing API.
Determines what action the print operation should perform.
GtkPrintOperationPreview is the interface that is used to implement print preview.
The result of a print operation.
See also gtk_print_job_set_pages()
See also gtk_print_settings_set_quality().
A GtkPrintSettings object represents the settings of a print dialog in a system-independent way.
The status gives a rough indication of the completion of a running print operation.
GtkPrintUnixDialog implements a print dialog for platforms which don’t provide a native print dialog, like Unix.
GtkProgressBar is typically used to display the progress of a long running operation.
Describes limits of a class@EventController for handling events targeting other widgets.
Describes the stage at which events are fed into a class@EventController.
A GObject property value in a GtkExpression.
GtkRange is the common base class for widgets which visualize an adjustment.
Meta-data to be passed to gtk_recent_manager_add_full() when registering a recently used resource.
GtkRecentInfo contains the metadata associated with an item in the recently used files list.
GtkRecentManager manages and looks up recently used files.
Error codes for GtkRecentManager operations
Represents a request of a screen object in a given orientation. These are primarily used in container implementations when allocating a natural size for children calling. See func@distribute_natural_allocation.
A GtkRequisition represents the desired size of a widget. See class.Widget.html#height-for-width-geometry-management for more information.
Predefined values for use as response ids in gtk_dialog_add_button().
These enumeration values describe the possible transitions when the child of a GtkRevealer widget is shown or hidden.
GtkScaleButton provides a button which pops up a scale widget.
GtkScrollable is an interface for widgets with native scrolling ability.
Defines the policy to be used in a scrollable widget when updating the scrolled window adjustments in a given orientation.
The GtkScrollbar widget is a horizontal or vertical scrollbar.
GtkScrolledWindow is a container that makes its child scrollable.
Passed as argument to various keybinding signals.
Scrolling types.
GtkSearchEntry is an entry widget that has been tailored for use as a search entry.
GtkSelectionFilterModel is a list model that presents the selection from a GtkSelectionModel.
Used to control what selections users are allowed to make.
GtkSelectionModel is an interface that add support for selection to list models.
Determines how GTK handles the sensitivity of various controls, such as combo box buttons.
GtkSeparator is a horizontal or vertical separator widget.
GtkSettings provides a mechanism to share global settings between applications.
GtkShortcutAction encodes an action that can be triggered by a keyboard shortcut.
List of flags that can be passed to action activation.
GtkShortcutController is an event controller that manages shortcuts.
Prototype for shortcuts based on user callbacks.
GtkShortcutLabel displays a single keyboard shortcut or gesture.
The GtkShortcutManager interface is used to implement shortcut scopes.
Describes where class@Shortcuts added to a class@ShortcutController get handled.
A GtkShortcutsGroup represents a group of related keyboard shortcuts or gestures.
A GtkShortcutsSection collects all the keyboard shortcuts and gestures for a major application mode.
A GtkShortcutsShortcut represents a single keyboard shortcut or gesture with a short text.
A GtkShortcutsWindow shows information about the keyboard shortcuts and gestures of an application.
GtkShortcutTrigger tracks how a GtkShortcut should be activated.
GtkShortcutType specifies the kind of shortcut that is being described.
A GtkShortcutAction that emits a signal.
GtkSignalListItemFactory is a GtkListItemFactory that emits signals to to manage listitems.
GtkSingleSelection is a GtkSelectionModel that allows selecting a single item.
The mode of the size group determines the directions in which the size group affects the requested sizes of its component widgets.
Specifies a preference for height-for-width or width-for-height geometry management.
GtkSliceListModel is a list model that presents a slice of another model.
Describes changes in a sorter in more detail and allows users to optimize resorting.
Describes the type of order that a GtkSorter may produce.
A GListModel that sorts the elements of an underlying model according to a GtkSorter.
A GtkSpinButton is an ideal way to allow the user to set the value of some attribute.
Determines whether the spin button displays values outside the adjustment bounds.
GtkStackPage is an auxiliary class used by GtkStack.
A GtkStackSidebar uses a sidebar to switch between GtkStack pages.
The GtkStackSwitcher shows a row of buttons to switch between GtkStack pages.
Possible transitions between pages in a GtkStack widget.
Describes a widget state.
GtkStringFilter determines whether to include items by comparing strings to a fixed search term.
Specifies how search strings are matched inside text.
GtkStringList is a list model that wraps an array of strings.
GtkStringObject is the type of items in a GtkStringList.
GtkStringSorter is a GtkSorter that compares strings.
GtkStyleContext stores styling information affecting a widget.
Flags that modify the behavior of gtk_style_context_to_string().
GtkStyleProvider is an interface for style information used by GtkStyleContext.
GtkSwitch is a "light switch" that has two states: on or off.
The indexes of colors passed to symbolic color rendering, such as vfunc@Gtk.SymbolicPaintable.snapshot_symbolic.
GtkSymbolicPaintable is an interface that support symbolic colors in paintables.
Values that can be passed to the vfunc@Gtk.Widget.system_setting_changed vfunc.
Stores text and attributes for display in a GtkTextView.
The predicate function used by gtk_text_iter_forward_find_char() and gtk_text_iter_backward_find_char().
A GtkTextChildAnchor is a spot in a GtkTextBuffer where child widgets can be “anchored”.
Reading directions for text.
Granularity types that extend the text selection. Use the GtkTextView::extend-selection signal to customize the selection.
Flags affecting how a search is done.
The collection of tags in a GtkTextBuffer
A function used with gtk_text_tag_table_foreach(), to iterate over every GtkTextTag inside a GtkTextTagTable.
A widget that displays the contents of a class@Gtk.TextBuffer.
Used to reference the layers of GtkTextView for the purpose of customized drawing with the ::snapshot_layer vfunc.
Used to reference the parts of GtkTextView.
Callback type for adding a function to update animations. See gtk_widget_add_tick_callback().
A GtkToggleButton is a button which remains “pressed-in” when clicked.
A function to set the properties of a cell instead of just using the straight mapping between the cell and the model.
Interface for Drag-and-Drop destinations in GtkTreeView.
Interface for Drag-and-Drop destinations in GtkTreeView.
GtkTreeExpander is a widget that provides an expander for a list.
The GtkTreeIter is the primary structure for accessing a GtkTreeModel. Models are expected to put a unique integer in the @stamp member, and put model-specific data in the three @user_data members.
A GtkTreeIterCompareFunc should return a negative integer, zero, or a positive integer if @a sorts before @b, @a sorts with @b, or @a sorts after @b respectively.
GtkTreeListModel is a list model that can create child models on demand.
Prototype of the function called to create new child models when gtk_tree_list_row_set_expanded() is called.
GtkTreeListRow is used by GtkTreeListModel to represent items.
GtkTreeListRowSorter is a special-purpose sorter that will apply a given sorter to the levels in a tree.
A GtkTreeModel which hides parts of an underlying tree model
A function which calculates display values from raw values in the model. It must fill @value with the display value for the column @column in the row indicated by @iter.
A function which decides whether the row indicated by @iter is visible.
These flags indicate various properties of a GtkTreeModel.
Type of the callback passed to gtk_tree_model_foreach() to iterate over the rows in a tree model.
A GtkTreeModel which makes an underlying tree model sortable
A GtkTreeRowReference tracks model changes so that it always refers to the same row (a GtkTreePath refers to a position, not a fixed row). Create a new GtkTreeRowReference with gtk_tree_row_reference_new().
The selection object for GtkTreeView
A function used by gtk_tree_selection_selected_foreach() to map all selected rows. It will be called on every selected row in the view.
A function used by gtk_tree_selection_set_select_function() to filter whether or not a row may be selected. It is called whenever a row's state might change.
The interface for sortable models used by GtkTreeView
A tree-like data structure that can be used with the GtkTreeView
A widget for displaying both trees and lists
A visible column in a class@Gtk.TreeView widget
Function type for determining whether @column can be dropped in a particular spot (as determined by @prev_column and @next_column). In left to right locales, @prev_column is on the left of the potential drop spot, and @next_column is on the right. In right to left mode, this is reversed. This function should return true if the spot is a valid drop spot. Please note that returning true does not actually indicate that the column drop was made, but is meant only to indicate a possible drop spot to the user.
The sizing method the column uses to determine its width. Please note that %GTK_TREE_VIEW_COLUMN_AUTOSIZE are inefficient for large views, and can make columns appear choppy.
An enum for determining where a dropped row goes.
Used to indicate which grid lines to draw in a tree view.
Function used for gtk_tree_view_map_expanded_rows().
Function type for determining whether the row pointed to by @iter should be rendered as a separator. A common way to implement this is to have a boolean column in the model, whose values the GtkTreeViewRowSeparatorFunc returns.
A function used for checking whether a row in @model matches a search key string entered by the user. Note the return value is reversed from what you would normally expect, though it has some similarity to strcmp() returning 0 for equal strings.
GtkViewport implements scrollability for widgets that lack their own scrolling capabilities.
GtkVolumeButton is a GtkScaleButton subclass tailored for volume control.
The base class for all widgets.
The type of the callback functions used for activating actions installed with gtk_widget_class_install_action().
GtkWidgetPaintable is a GdkPaintable that displays the contents of a widget.
GtkWindowControls shows window frame controls.
GtkWindowGroup makes group of windows behave like separate applications.
GtkWindowHandle is a titlebar area widget.