### Enumeration

# GtkSystemSetting

#### Declaration

    enum Gtk.SystemSetting

#### Description [src]

Values that can be passed to the `Gtk.WidgetClass.system_setting_changed` vfunc.

The values indicate which system setting has changed. Widgets may need to drop caches, or react otherwise.

Most of the values correspond to `GtkSettings` properties.

More values may be added over time.

#### Members

`GTK_SYSTEM_SETTING_DPI`

  The `GtkSettings:gtk-xft-dpi` setting has changed.

  - Value: `0`
  - Nickname: `dpi`
  - Available since: 4.0
`GTK_SYSTEM_SETTING_FONT_NAME`

  The `GtkSettings:gtk-font-name` setting has changed.

  - Value: `1`
  - Nickname: `font-name`
  - Available since: 4.0
`GTK_SYSTEM_SETTING_FONT_CONFIG`

  The font configuration has changed in a way that requires text to be redrawn. This can be any of the `GtkSettings:gtk-xft-antialias`, `GtkSettings:gtk-xft-hinting`, `GtkSettings:gtk-xft-hintstyle`, `GtkSettings:gtk-xft-rgba` or `GtkSettings:gtk-fontconfig-timestamp` settings.

  - Value: `2`
  - Nickname: `font-config`
  - Available since: 4.0
`GTK_SYSTEM_SETTING_DISPLAY`

  The display has changed.

  - Value: `3`
  - Nickname: `display`
  - Available since: 4.0
`GTK_SYSTEM_SETTING_ICON_THEME`

  The icon theme has changed in a way that requires icons to be looked up again.

  - Value: `4`
  - Nickname: `icon-theme`
  - Available since: 4.0