GTK 4

https://docs.gtk.org/gtk4/
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### print_run_page_setup_dialog_async

Source: https://docs.gtk.org//gtk4

Runs a page setup dialog, letting the user modify the values from page_setup.

```APIDOC
## print_run_page_setup_dialog_async

### Description
Runs a page setup dialog, letting the user modify the values from page_setup.

### Parameters
- **parent** (GtkWindow *) - Required - The parent window.
- **page_setup** (GtkPageSetup *) - Required - The initial page setup.
- **settings** (GtkPrintSettings *) - Required - The print settings.
- **done_cb** (GtkPageSetupDoneFunc) - Required - The callback to call when the dialog is closed.
- **data** (gpointer) - Required - User data for the callback.
```

--------------------------------

### print_run_page_setup_dialog

Source: https://docs.gtk.org//gtk4

Runs a page setup dialog, letting the user modify the values from page_setup.

```APIDOC
## print_run_page_setup_dialog

### Description
Runs a page setup dialog, letting the user modify the values from page_setup.

### Parameters
- **parent** (GtkWindow *) - Required - The parent window.
- **page_setup** (GtkPageSetup *) - Required - The initial page setup.
- **settings** (GtkPrintSettings *) - Required - The print settings.

### Returns
The modified page setup.
```

--------------------------------

### ListBoxCreateWidgetFunc

Source: https://docs.gtk.org//gtk4

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.

```APIDOC
## ListBoxCreateWidgetFunc

### Description
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.

### Signature
`GtkWidget * (*ListBoxCreateWidgetFunc) (gpointer item, gpointer user_data)`

### Parameters
- **item** (gpointer) - The item from the model.
- **user_data** (gpointer) - User data.

### Returns
The widget to display for the item.
```

--------------------------------

### init

Source: https://docs.gtk.org//gtk4

Initializes GTK.

```APIDOC
## init

### Description
Initializes GTK.

### Parameters
- **argc** (int *) - Required - Pointer to the number of command line arguments.
- **argv** (char ***) - Required - Pointer to the command line arguments.
```

--------------------------------

### get_locale_direction

Source: https://docs.gtk.org//gtk4

Gets the direction of the current locale.

```APIDOC
## get_locale_direction

### Description
Gets the direction of the current locale.

### Returns
The direction of the current locale.
```

--------------------------------

### accelerator_get_default_mod_mask

Source: https://docs.gtk.org//gtk4

Gets the default modifier mask used for accelerators.

```APIDOC
## accelerator_get_default_mod_mask

### Description
Gets the default modifier mask used for accelerators.

### Returns
The default modifier mask.
```

--------------------------------

### init_check

Source: https://docs.gtk.org//gtk4

Initializes GTK.

```APIDOC
## init_check

### Description
Initializes GTK.

### Parameters
- **argc** (int *) - Required - Pointer to the number of command line arguments.
- **argv** (char ***) - Required - Pointer to the command line arguments.

### Returns
TRUE if initialization succeeded, FALSE otherwise.
```

--------------------------------

### test_init

Source: https://docs.gtk.org//gtk4

This function is used to initialize a GTK test program.

```APIDOC
## test_init

### Description
This function is used to initialize a GTK test program.
```

--------------------------------

### PageSetupDoneFunc

Source: https://docs.gtk.org//gtk4

The type of function that is passed to gtk_print_run_page_setup_dialog_async().

```APIDOC
## PageSetupDoneFunc

### Description
The type of function that is passed to gtk_print_run_page_setup_dialog_async().

### Signature
`void (*PageSetupDoneFunc) (GtkPageSetup *page_setup, gpointer data)`

### Parameters
- **page_setup** (GtkPageSetup*) - The page setup.
- **data** (gpointer) - User data.
```

--------------------------------

### FontFilterFunc

Source: https://docs.gtk.org//gtk4

The type of function that is used for deciding what fonts get shown in a GtkFontChooser. Deprecated since 4.20.

```APIDOC
## FontFilterFunc

### Description
The type of function that is used for deciding what fonts get shown in a `GtkFontChooser`. Deprecated: 4.20

### Signature
`gboolean (*FontFilterFunc) (const PangoFontFamily *family, const PangoFontFace *face, gpointer data)`

### Parameters
- **family** (const PangoFontFamily*) - The font family.
- **face** (const PangoFontFace*) - The font face.
- **data** (gpointer) - User data.

### Returns
TRUE if the font should be shown, FALSE otherwise.

### Deprecation
Deprecated since 4.20.
```

--------------------------------

### show_uri_full

Source: https://docs.gtk.org//gtk4

This function launches the default application for showing a given uri. Deprecated since 4.10.

```APIDOC
## show_uri_full

### Description
This function launches the default application for showing a given uri. Deprecated since 4.10.

### Deprecation
Deprecated since 4.10.
```

--------------------------------

### show_uri

Source: https://docs.gtk.org//gtk4

This function launches the default application for showing a given uri, or shows an error dialog if that fails. Deprecated since 4.10.

```APIDOC
## show_uri

### Description
This function launches the default application for showing a given uri, or shows an error dialog if that fails. Deprecated since 4.10.

### Deprecation
Deprecated since 4.10.
```

--------------------------------

### is_initialized

Source: https://docs.gtk.org//gtk4

Returns whether GTK has been initialized.

```APIDOC
## is_initialized

### Description
Returns whether GTK has been initialized.

### Returns
TRUE if GTK has been initialized, FALSE otherwise.
```

--------------------------------

### MenuButtonCreatePopupFunc

Source: https://docs.gtk.org//gtk4

User-provided callback function to create a popup for a GtkMenuButton on demand.

```APIDOC
## MenuButtonCreatePopupFunc

### Description
User-provided callback function to create a popup for a `GtkMenuButton` on demand.

### Signature
`void (*MenuButtonCreatePopupFunc) (GtkMenuButton *menu_button, gpointer user_data)`

### Parameters
- **menu_button** (GtkMenuButton*) - The menu button.
- **user_data** (gpointer) - User data.
```

--------------------------------

### check_version

Source: https://docs.gtk.org//gtk4

Checks that the GTK library in use is compatible with the given version.

```APIDOC
## check_version

### Description
Checks that the GTK library in use is compatible with the given version.

### Parameters
- **required_major** (guint) - Required - The required major version.
- **required_minor** (guint) - Required - The required minor version.
- **required_micro** (guint) - Required - The required micro version.

### Returns
NULL if the version is compatible, otherwise a string describing the version mismatch.
```

--------------------------------

### PrintSettingsFunc

Source: https://docs.gtk.org//gtk4

Function called by gtk_print_settings_foreach() on every key/value pair inside a GtkPrintSettings.

```APIDOC
## PrintSettingsFunc

### Description
Function called by `gtk_print_settings_foreach()` on every key/value pair inside a `GtkPrintSettings`.

### Signature
`void (*PrintSettingsFunc) (const gchar *key, const gchar *value, gpointer user_data)`

### Parameters
- **key** (const gchar*) - The key.
- **value** (const gchar*) - The value.
- **user_data** (gpointer) - User data.
```

--------------------------------

### CHECK_VERSION

Source: https://docs.gtk.org//gtk4

Returns true if the version of the GTK header files is the same as or newer than the passed-in version.

```APIDOC
## CHECK_VERSION

### Description
Returns true if the version of the GTK header files is the same as or newer than the passed-in version.

### Parameters
- **major** (int) - Major version number.
- **minor** (int) - Minor version number.
- **micro** (int) - Micro version number.

### Returns
Boolean indicating whether the GTK version is at least the specified version.
```

--------------------------------

### test_register_all_types

Source: https://docs.gtk.org//gtk4

Force registration of all core GTK object types.

```APIDOC
## test_register_all_types

### Description
Force registration of all core GTK object types.
```

--------------------------------

### test_widget_wait_for_draw

Source: https://docs.gtk.org//gtk4

Enters the main loop and waits for widget to be "drawn".

```APIDOC
## test_widget_wait_for_draw

### Description
Enters the main loop and waits for widget to be "drawn".
```

--------------------------------

### accelerator_parse_with_keycode

Source: https://docs.gtk.org//gtk4

Parses a string representing an accelerator.

```APIDOC
## accelerator_parse_with_keycode

### Description
Parses a string representing an accelerator.

### Parameters
- **accelerator** (const char *) - Required - The accelerator string.
- **accelerator_key** (guint *) - Required - Return location for the keyval.
- **accelerator_codes** (guint **) - Required - Return location for the keycodes.
- **accelerator_mods** (GdkModifierType *) - Required - Return location for the modifier mask.

### Returns
TRUE if the parsing succeeded, FALSE otherwise.
```

--------------------------------

### ShortcutFunc

Source: https://docs.gtk.org//gtk4

Type for shortcuts based on user callbacks.

```APIDOC
## ShortcutFunc

### Description
Type for shortcuts based on user callbacks.

### Signature
`gboolean (*ShortcutFunc) (GtkShortcut *shortcut, gpointer user_data)`

### Parameters
- **shortcut** (GtkShortcut*) - The shortcut.
- **user_data** (gpointer) - User data.

### Returns
TRUE if the shortcut was handled, FALSE otherwise.
```

--------------------------------

### accelerator_get_accessible_label

Source: https://docs.gtk.org//gtk4

Generates an accessible description of an accelerator. Available since GTK 4.22.

```APIDOC
## accelerator_get_accessible_label

### Description
Generates an accessible description of an accelerator.

### Since
4.22

### Parameters
- **keyval** (guint) - Required - The accelerator keyval.
- **modifiers** (GdkModifierType) - Required - The modifier mask.

### Returns
A string describing the accelerator for accessibility purposes.
```

--------------------------------

### PrintJobCompleteFunc

Source: https://docs.gtk.org//gtk4

The type of callback that is passed to gtk_print_job_send().

```APIDOC
## PrintJobCompleteFunc

### Description
The type of callback that is passed to gtk_print_job_send().

### Signature
`void (*PrintJobCompleteFunc) (GtkPrintJob *print_job, gpointer user_data, GError *error)`

### Parameters
- **print_job** (GtkPrintJob*) - The print job.
- **user_data** (gpointer) - User data.
- **error** (GError*) - Error information, or NULL.
```

--------------------------------

### FlowBoxForeachFunc

Source: https://docs.gtk.org//gtk4

A function used by gtk_flow_box_selected_foreach().

```APIDOC
## FlowBoxForeachFunc

### Description
A function used by gtk_flow_box_selected_foreach().

### Signature
`void (*FlowBoxForeachFunc) (GtkFlowBox *box, GtkFlowBoxChild *child, gpointer user_data)`

### Parameters
- **box** (GtkFlowBox*) - The flow box.
- **child** (GtkFlowBoxChild*) - The child.
- **user_data** (gpointer) - User data.
```

--------------------------------

### show_uri_full_finish

Source: https://docs.gtk.org//gtk4

Finishes the gtk_show_uri() call and returns the result of the operation. Deprecated since 4.10.

```APIDOC
## show_uri_full_finish

### Description
Finishes the gtk_show_uri() call and returns the result of the operation. Deprecated since 4.10.

### Deprecation
Deprecated since 4.10.
```

--------------------------------

### ListBoxForeachFunc

Source: https://docs.gtk.org//gtk4

A function used by gtk_list_box_selected_foreach().

```APIDOC
## ListBoxForeachFunc

### Description
A function used by gtk_list_box_selected_foreach().

### Signature
`void (*ListBoxForeachFunc) (GtkListBox *box, GtkListBoxRow *row, gpointer user_data)`

### Parameters
- **box** (GtkListBox*) - The list box.
- **row** (GtkListBoxRow*) - The row.
- **user_data** (gpointer) - User data.
```

--------------------------------

### render_handle

Source: https://docs.gtk.org//gtk4

Renders a handle (as in GtkPaned and GtkWindow's resize grip), in the rectangle determined by x, y, width, height. Deprecated since 4.10.

```APIDOC
## render_handle

### Description
Renders a handle (as in GtkPaned and GtkWindow's resize grip), in the rectangle determined by x, y, width, height. Deprecated since 4.10.

### Deprecation
Deprecated since 4.10.
```

--------------------------------

### ACCESSIBLE_ATTRIBUTE_UNDERLINE_NONE

Source: https://docs.gtk.org//gtk4

The “none” underline value for GTK_ACCESSIBLE_ATTRIBUTE_UNDERLINE.

```APIDOC
## ACCESSIBLE_ATTRIBUTE_UNDERLINE_NONE

### Description
The “none” underline value for `GTK_ACCESSIBLE_ATTRIBUTE_UNDERLINE`.

### Value
String "none".
```

--------------------------------

### show_about_dialog

Source: https://docs.gtk.org//gtk4

A convenience function for showing an application's about dialog.

```APIDOC
## show_about_dialog

### Description
A convenience function for showing an application's about dialog.
```

--------------------------------

### rgb_to_hsv

Source: https://docs.gtk.org//gtk4

Converts a color from RGB space to HSV.

```APIDOC
## rgb_to_hsv

### Description
Converts a color from RGB space to HSV.
```

--------------------------------

### render_option

Source: https://docs.gtk.org//gtk4

Renders an option mark (as in a radio button), the GTK_STATE_FLAG_CHECKED state will determine whether the option is on or off, and GTK_STATE_FLAG_INCONSISTENT whether it should be marked as undefined. Deprecated since 4.10.

```APIDOC
## render_option

### Description
Renders an option mark (as in a radio button), the GTK_STATE_FLAG_CHECKED state will determine whether the option is on or off, and GTK_STATE_FLAG_INCONSISTENT whether it should be marked as undefined. Deprecated since 4.10.

### Deprecation
Deprecated since 4.10.
```

--------------------------------

### ACCESSIBLE_ATTRIBUTE_OVERLINE_NONE

Source: https://docs.gtk.org//gtk4

The “none” overline value for GTK_ACCESSIBLE_ATTRIBUTE_OVERLINE.

```APIDOC
## ACCESSIBLE_ATTRIBUTE_OVERLINE_NONE

### Description
The “none” overline value for `GTK_ACCESSIBLE_ATTRIBUTE_OVERLINE`.

### Value
String "none".
```

--------------------------------

### render_check

Source: https://docs.gtk.org//gtk4

Renders a checkmark (as in a GtkCheckButton). Deprecated since 4.10.

```APIDOC
## render_check

### Description
Renders a checkmark (as in a GtkCheckButton).

### Deprecated
4.10

### Parameters
- **cr** (cairo_t *) - Required - The cairo context.
- **x** (gdouble) - Required - The x coordinate.
- **y** (gdouble) - Required - The y coordinate.
- **width** (gdouble) - Required - The width.
- **height** (gdouble) - Required - The height.
```

--------------------------------

### TreeListModelCreateModelFunc

Source: https://docs.gtk.org//gtk4

Prototype of the function called to create new child models when gtk_tree_list_row_set_expanded() is called.

```APIDOC
## TreeListModelCreateModelFunc

### Description
Prototype of the function called to create new child models when `gtk_tree_list_row_set_expanded()` is called.

### Signature
`GListModel * (*TreeListModelCreateModelFunc) (gpointer item, gpointer user_data)`

### Parameters
- **item** (gpointer) - The item for which to create a child model.
- **user_data** (gpointer) - User data.

### Returns
The new child model.
```

--------------------------------

### accelerator_parse

Source: https://docs.gtk.org//gtk4

Parses a string representing an accelerator.

```APIDOC
## accelerator_parse

### Description
Parses a string representing an accelerator.

### Parameters
- **accelerator** (const char *) - Required - The accelerator string.
- **accelerator_key** (guint *) - Required - Return location for the keyval.
- **accelerator_mods** (GdkModifierType *) - Required - Return location for the modifier mask.

### Returns
TRUE if the parsing succeeded, FALSE otherwise.
```

--------------------------------

### get_micro_version

Source: https://docs.gtk.org//gtk4

Returns the micro version number of the GTK library.

```APIDOC
## get_micro_version

### Description
Returns the micro version number of the GTK library.

### Returns
The micro version number.
```

--------------------------------

### render_activity

Source: https://docs.gtk.org//gtk4

Renders an activity indicator (such as in GtkSpinner). The state GTK_STATE_FLAG_CHECKED determines whether there is activity going on. Deprecated since 4.10.

```APIDOC
## render_activity

### Description
Renders an activity indicator (such as in GtkSpinner). The state GTK_STATE_FLAG_CHECKED determines whether there is activity going on.

### Deprecated
4.10

### Parameters
- **cr** (cairo_t *) - Required - The cairo context.
- **x** (gdouble) - Required - The x coordinate.
- **y** (gdouble) - Required - The y coordinate.
- **width** (gdouble) - Required - The width.
- **height** (gdouble) - Required - The height.
```

--------------------------------

### enumerate_printers

Source: https://docs.gtk.org//gtk4

Calls a function for all printers that are known to GTK.

```APIDOC
## enumerate_printers

### Description
Calls a function for all printers that are known to GTK.

### Parameters
- **func** (GtkPrinterFunc) - Required - The function to call.
- **data** (gpointer) - Required - User data to pass to the function.
- **destroy** (GDestroyNotify) - Required - Destroy notify for data.
```

--------------------------------

### ACCESSIBLE_ATTRIBUTE_OVERLINE_SINGLE

Source: https://docs.gtk.org//gtk4

The “single” overline value for GTK_ACCESSIBLE_ATTRIBUTE_OVERLINE.

```APIDOC
## ACCESSIBLE_ATTRIBUTE_OVERLINE_SINGLE

### Description
The “single” overline value for `GTK_ACCESSIBLE_ATTRIBUTE_OVERLINE`.

### Value
String "single".
```

--------------------------------

### test_list_all_types

Source: https://docs.gtk.org//gtk4

Return the type ids that have been registered after calling gtk_test_register_all_types().

```APIDOC
## test_list_all_types

### Description
Return the type ids that have been registered after calling gtk_test_register_all_types().
```

--------------------------------

### render_layout

Source: https://docs.gtk.org//gtk4

Renders layout on the coordinates x, y. Deprecated since 4.10.

```APIDOC
## render_layout

### Description
Renders layout on the coordinates x, y. Deprecated since 4.10.

### Deprecation
Deprecated since 4.10.
```

--------------------------------

### FlowBoxCreateWidgetFunc

Source: https://docs.gtk.org//gtk4

Called for flow boxes that are bound to a GListModel.

```APIDOC
## FlowBoxCreateWidgetFunc

### Description
Called for flow boxes that are bound to a `GListModel`.

### Signature
`GtkWidget * (*FlowBoxCreateWidgetFunc) (gpointer item, gpointer user_data)`

### Parameters
- **item** (gpointer) - The item from the model.
- **user_data** (gpointer) - User data.

### Returns
The widget to display for the item.
```

--------------------------------

### ACCESSIBLE_ATTRIBUTE_STYLE_NORMAL

Source: https://docs.gtk.org//gtk4

The “normal” style value for GTK_ACCESSIBLE_ATTRIBUTE_STYLE.

```APIDOC
## ACCESSIBLE_ATTRIBUTE_STYLE_NORMAL

### Description
The “normal” style value for `GTK_ACCESSIBLE_ATTRIBUTE_STYLE`.

### Value
String "normal".
```

--------------------------------

### hsv_to_rgb

Source: https://docs.gtk.org//gtk4

Converts a color from HSV space to RGB.

```APIDOC
## hsv_to_rgb

### Description
Converts a color from HSV space to RGB.

### Parameters
- **h** (gdouble) - Required - The hue.
- **s** (gdouble) - Required - The saturation.
- **v** (gdouble) - Required - The value.
- **r** (gdouble *) - Required - Return location for the red component.
- **g** (gdouble *) - Required - Return location for the green component.
- **b** (gdouble *) - Required - Return location for the blue component.
```

--------------------------------

### ACCESSIBLE_ATTRIBUTE_STRETCH_ULTRA_EXPANDED

Source: https://docs.gtk.org//gtk4

The “ultra expanded” stretch value for GTK_ACCESSIBLE_ATTRIBUTE_STRETCH.

```APIDOC
## ACCESSIBLE_ATTRIBUTE_STRETCH_ULTRA_EXPANDED

### Description
The “ultra expanded” stretch value for `GTK_ACCESSIBLE_ATTRIBUTE_STRETCH`.

### Value
String "ultra expanded".
```

--------------------------------

### tree_create_row_drag_content

Source: https://docs.gtk.org//gtk4

Creates a content provider for dragging path from tree_model. Deprecated since 4.10.

```APIDOC
## tree_create_row_drag_content

### Description
Creates a content provider for dragging path from tree_model. Deprecated since 4.10.

### Deprecation
Deprecated since 4.10.
```

--------------------------------

### ACCESSIBLE_ATTRIBUTE_STRETCH_ULTRA_CONDENSED

Source: https://docs.gtk.org//gtk4

The “ultra condensed” stretch value for GTK_ACCESSIBLE_ATTRIBUTE_STRETCH.

```APIDOC
## ACCESSIBLE_ATTRIBUTE_STRETCH_ULTRA_CONDENSED

### Description
The “ultra condensed” stretch value for `GTK_ACCESSIBLE_ATTRIBUTE_STRETCH`.

### Value
String "ultra condensed".
```

--------------------------------

### CustomRequestModeFunc

Source: https://docs.gtk.org//gtk4

Queries a widget for its preferred size request mode.

```APIDOC
## CustomRequestModeFunc

### Description
Queries a widget for its preferred size request mode.

### Signature
`GtkSizeRequestMode (*CustomRequestModeFunc) (GtkWidget *widget, gpointer user_data)`

### Parameters
- **widget** (GtkWidget*) - The widget.
- **user_data** (gpointer) - User data.

### Returns
The preferred size request mode.
```

--------------------------------

### render_line

Source: https://docs.gtk.org//gtk4

Renders a line from (x0, y0) to (x1, y1). Deprecated since 4.10.

```APIDOC
## render_line

### Description
Renders a line from (x0, y0) to (x1, y1). Deprecated since 4.10.

### Deprecation
Deprecated since 4.10.
```

--------------------------------

### accelerator_get_label_with_keycode

Source: https://docs.gtk.org//gtk4

Converts an accelerator keyval and modifier mask into a string that can be displayed to the user.

```APIDOC
## accelerator_get_label_with_keycode

### Description
Converts an accelerator keyval and modifier mask into a string that can be displayed to the user.

### Parameters
- **keyval** (guint) - Required - The accelerator keyval.
- **keycode** (guint) - Required - The keycode.
- **modifiers** (GdkModifierType) - Required - The modifier mask.

### Returns
A string representing the accelerator.
```

--------------------------------

### ACCESSIBLE_ATTRIBUTE_UNDERLINE_ERROR

Source: https://docs.gtk.org//gtk4

The “error” underline value for GTK_ACCESSIBLE_ATTRIBUTE_UNDERLINE.

```APIDOC
## ACCESSIBLE_ATTRIBUTE_UNDERLINE_ERROR

### Description
The “error” underline value for `GTK_ACCESSIBLE_ATTRIBUTE_UNDERLINE`.

### Value
String "error".
```

--------------------------------

### ACCESSIBLE_ATTRIBUTE_UNDERLINE

Source: https://docs.gtk.org//gtk4

An attribute for the underline style.

```APIDOC
## ACCESSIBLE_ATTRIBUTE_UNDERLINE

### Description
An attribute for the underline style.

### Value
String representing the underline style.
```

--------------------------------

### accelerator_name_with_keycode

Source: https://docs.gtk.org//gtk4

Converts an accelerator keyval and modifier mask into a string that can be parsed by gtk_accelerator_parse_with_keycode().

```APIDOC
## accelerator_name_with_keycode

### Description
Converts an accelerator keyval and modifier mask into a string that can be parsed by gtk_accelerator_parse_with_keycode().

### Parameters
- **keyval** (guint) - Required - The accelerator keyval.
- **keycode** (guint) - Required - The keycode.
- **modifiers** (GdkModifierType) - Required - The modifier mask.

### Returns
A string representing the accelerator.
```

--------------------------------

### distribute_natural_allocation

Source: https://docs.gtk.org//gtk4

Distributes extra_space to child sizes by bringing smaller children up to natural size first.

```APIDOC
## distribute_natural_allocation

### Description
Distributes extra_space to child sizes by bringing smaller children up to natural size first.

### Parameters
- **extra_space** (guint) - Required - The extra space to distribute.
- **n_sizes** (guint) - Required - The number of sizes.
- **sizes** (GtkRequestedSize *) - Required - The array of sizes.

### Returns
The distributed size.
```

--------------------------------

### ACCESSIBLE_ATTRIBUTE_UNDERLINE_DOUBLE

Source: https://docs.gtk.org//gtk4

The “double” underline value for GTK_ACCESSIBLE_ATTRIBUTE_UNDERLINE.

```APIDOC
## ACCESSIBLE_ATTRIBUTE_UNDERLINE_DOUBLE

### Description
The “double” underline value for `GTK_ACCESSIBLE_ATTRIBUTE_UNDERLINE`.

### Value
String "double".
```

--------------------------------

### test_accessible_assertion_message_role

Source: https://docs.gtk.org//gtk4

Prints an assertion message for gtk_test_accessible_assert_role().

```APIDOC
## test_accessible_assertion_message_role

### Description
Prints an assertion message for gtk_test_accessible_assert_role().
```

--------------------------------

### set_debug_flags

Source: https://docs.gtk.org//gtk4

Sets the GTK debug flags.

```APIDOC
## set_debug_flags

### Description
Sets the GTK debug flags.
```

--------------------------------

### PrinterFunc

Source: https://docs.gtk.org//gtk4

The type of function passed to gtk_enumerate_printers().

```APIDOC
## PrinterFunc

### Description
The type of function passed to gtk_enumerate_printers().

### Signature
`void (*PrinterFunc) (GtkPrinter *printer, gpointer data)`

### Parameters
- **printer** (GtkPrinter*) - The printer.
- **data** (gpointer) - User data.
```

--------------------------------

### get_minor_version

Source: https://docs.gtk.org//gtk4

Returns the minor version number of the GTK library.

```APIDOC
## get_minor_version

### Description
Returns the minor version number of the GTK library.

### Returns
The minor version number.
```

--------------------------------

### accelerator_name

Source: https://docs.gtk.org//gtk4

Converts an accelerator keyval and modifier mask into a string that can be parsed by gtk_accelerator_parse().

```APIDOC
## accelerator_name

### Description
Converts an accelerator keyval and modifier mask into a string that can be parsed by gtk_accelerator_parse().

### Parameters
- **keyval** (guint) - Required - The accelerator keyval.
- **modifiers** (GdkModifierType) - Required - The modifier mask.

### Returns
A string representing the accelerator.
```

--------------------------------

### ACCESSIBLE_ATTRIBUTE_OVERLINE

Source: https://docs.gtk.org//gtk4

An attribute for the overline style.

```APIDOC
## ACCESSIBLE_ATTRIBUTE_OVERLINE

### Description
An attribute for the overline style.

### Value
String representing the overline style.
```

--------------------------------

### ACCESSIBLE_ATTRIBUTE_STYLE_ITALIC

Source: https://docs.gtk.org//gtk4

The “italic” style value for GTK_ACCESSIBLE_ATTRIBUTE_STYLE.

```APIDOC
## ACCESSIBLE_ATTRIBUTE_STYLE_ITALIC

### Description
The “italic” style value for `GTK_ACCESSIBLE_ATTRIBUTE_STYLE`.

### Value
String "italic".
```

--------------------------------

### builder_cscope_add_callback

Source: https://docs.gtk.org//gtk4

Adds the callback to the scope of builder under its own name. Available since GTK 4.8.

```APIDOC
## builder_cscope_add_callback

### Description
Adds the `callback` to the scope of `builder` under its own name.

### Since
4.8

### Parameters
- **callback** (function) - The callback to add.

### Usage
This macro is used to register a callback function in the builder's scope.
```

--------------------------------

### IconViewForeachFunc

Source: https://docs.gtk.org//gtk4

A function used by gtk_icon_view_selected_foreach() to map all selected rows. Deprecated since 4.20.

```APIDOC
## IconViewForeachFunc

### Description
A function used by `gtk_icon_view_selected_foreach()` to map all selected rows. Deprecated: 4.20

### Signature
`void (*IconViewForeachFunc) (GtkIconView *icon_view, GtkTreePath *path, gpointer data)`

### Parameters
- **icon_view** (GtkIconView*) - The icon view.
- **path** (GtkTreePath*) - The tree path.
- **data** (gpointer) - User data.

### Deprecation
Deprecated since 4.20.
```

--------------------------------

### ACCESSIBLE_ATTRIBUTE_STRETCH_EXTRA_CONDENSED

Source: https://docs.gtk.org//gtk4

The “extra condensed” stretch value for GTK_ACCESSIBLE_ATTRIBUTE_STRETCH.

```APIDOC
## ACCESSIBLE_ATTRIBUTE_STRETCH_EXTRA_CONDENSED

### Description
The “extra condensed” stretch value for `GTK_ACCESSIBLE_ATTRIBUTE_STRETCH`.

### Value
String "extra condensed".
```

--------------------------------

### widget_class_bind_template_callback

Source: https://docs.gtk.org//gtk4

Binds a callback function defined in a template to the widget_class.

```APIDOC
## widget_class_bind_template_callback

### Description
Binds a callback function defined in a template to the `widget_class`.

### Parameters
- **widget_class** (GtkWidgetClass) - The widget class.
- **callback_name** (string) - The name of the callback.
- **callback** (GCallback) - The callback function.

### Usage
Use this macro in class initialization to bind template callbacks.
```

--------------------------------

### render_expander

Source: https://docs.gtk.org//gtk4

Renders an expander (as used in GtkTreeView and GtkExpander) in the area defined by x, y, width, height. The state GTK_STATE_FLAG_CHECKED determines whether the expander is collapsed or expanded. Deprecated since 4.10.

```APIDOC
## render_expander

### Description
Renders an expander (as used in GtkTreeView and GtkExpander) in the area defined by x, y, width, height. The state GTK_STATE_FLAG_CHECKED determines whether the expander is collapsed or expanded. Deprecated since 4.10.

### Deprecation
Deprecated since 4.10.
```

--------------------------------

### TreeModelForeachFunc

Source: https://docs.gtk.org//gtk4

Type of the callback passed to gtk_tree_model_foreach() to iterate over the rows in a tree model. Deprecated since 4.20.

```APIDOC
## TreeModelForeachFunc

### Description
Type of the callback passed to `gtk_tree_model_foreach()` to iterate over the rows in a tree model. Deprecated: 4.20

### Signature
`gboolean (*TreeModelForeachFunc) (GtkTreeModel *model, GtkTreePath *path, GtkTreeIter *iter, gpointer data)`

### Parameters
- **model** (GtkTreeModel*) - The model.
- **path** (GtkTreePath*) - The path.
- **iter** (GtkTreeIter*) - The iterator.
- **data** (gpointer) - User data.

### Returns
TRUE to stop iteration, FALSE to continue.

### Deprecation
Deprecated since 4.20.
```

--------------------------------

### ACCESSIBLE_ATTRIBUTE_STRETCH_NORMAL

Source: https://docs.gtk.org//gtk4

The “normal” stretch value for GTK_ACCESSIBLE_ATTRIBUTE_STRETCH.

```APIDOC
## ACCESSIBLE_ATTRIBUTE_STRETCH_NORMAL

### Description
The “normal” stretch value for `GTK_ACCESSIBLE_ATTRIBUTE_STRETCH`.

### Value
String "normal".
```

--------------------------------

### css_parser_warning_quark

Source: https://docs.gtk.org//gtk4

Registers an error quark for CSS parsing warnings.

```APIDOC
## css_parser_warning_quark

### Description
Registers an error quark for CSS parsing warnings.

### Returns
The error quark.
```

--------------------------------

### render_background

Source: https://docs.gtk.org//gtk4

Renders the background of an element. Deprecated since 4.10.

```APIDOC
## render_background

### Description
Renders the background of an element.

### Deprecated
4.10

### Parameters
- **cr** (cairo_t *) - Required - The cairo context.
- **x** (gdouble) - Required - The x coordinate.
- **y** (gdouble) - Required - The y coordinate.
- **width** (gdouble) - Required - The width.
- **height** (gdouble) - Required - The height.
```

--------------------------------

### accelerator_get_label

Source: https://docs.gtk.org//gtk4

Converts an accelerator keyval and modifier mask into a string which can be used to represent the accelerator to the user.

```APIDOC
## accelerator_get_label

### Description
Converts an accelerator keyval and modifier mask into a string which can be used to represent the accelerator to the user.

### Parameters
- **keyval** (guint) - Required - The accelerator keyval.
- **modifiers** (GdkModifierType) - Required - The modifier mask.

### Returns
A string representing the accelerator.
```

--------------------------------

### ACCESSIBLE_ATTRIBUTE_STRETCH_CONDENSED

Source: https://docs.gtk.org//gtk4

The “condensed” stretch value for GTK_ACCESSIBLE_ATTRIBUTE_STRETCH.

```APIDOC
## ACCESSIBLE_ATTRIBUTE_STRETCH_CONDENSED

### Description
The “condensed” stretch value for `GTK_ACCESSIBLE_ATTRIBUTE_STRETCH`.

### Value
String "condensed".
```

--------------------------------

### ACCESSIBLE_ATTRIBUTE_STRIKETHROUGH

Source: https://docs.gtk.org//gtk4

An attribute for strikethrough text.

```APIDOC
## ACCESSIBLE_ATTRIBUTE_STRIKETHROUGH

### Description
An attribute for strikethrough text.

### Value
String representing the strikethrough style.
```

--------------------------------

### CustomAllocateFunc

Source: https://docs.gtk.org//gtk4

A function to be used by GtkCustomLayout to allocate a widget.

```APIDOC
## CustomAllocateFunc

### Description
A function to be used by `GtkCustomLayout` to allocate a widget.

### Signature
`void (*CustomAllocateFunc) (GtkWidget *widget, int width, int height, int baseline, gpointer user_data)`

### Parameters
- **widget** (GtkWidget*) - The widget to allocate.
- **width** (int) - The width.
- **height** (int) - The height.
- **baseline** (int) - The baseline.
- **user_data** (gpointer) - User data.
```
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