Class
Gtk.Fixed
Description [src]
class Gtk.Fixed : Gtk.Widget {
parent_instance: GtkWidget
}
GtkFixed
places its child widgets at fixed positions and with fixed sizes.
GtkFixed
performs no automatic layout management.
For most applications, you should not use this container! It keeps
you from having to learn about the other GTK containers, but it
results in broken applications. With GtkFixed
, the following
things will result in truncated text, overlapping widgets, and
other display bugs:
-
Themes, which may change widget sizes.
-
Fonts other than the one you used to write the app will of course change the size of widgets containing text; keep in mind that users may use a larger font because of difficulty reading the default, or they may be using a different OS that provides different fonts.
-
Translation of text into other languages changes its size. Also, display of non-English text will use a different font in many cases.
In addition, GtkFixed
does not pay attention to text direction and
thus may produce unwanted results if your app is run under right-to-left
languages such as Hebrew or Arabic. That is: normally GTK will order
containers appropriately for the text direction, e.g. to put labels to
the right of the thing they label when using an RTL language, but it can’t
do that with GtkFixed
. So if you need to reorder widgets depending on
the text direction, you would need to manually detect it and adjust child
positions accordingly.
Finally, fixed positioning makes it kind of annoying to add/remove UI elements, since you have to reposition all the other elements. This is a long-term maintenance problem for your application.
If you know none of these things are an issue for your application,
and prefer the simplicity of GtkFixed
, by all means use the
widget. But you should be aware of the tradeoffs.
Ancestors
- GtkWidget
- GInitiallyUnowned
- GObject
Constructors
gtk_fixed_new
Creates a new GtkFixed
.
Instance methods
gtk_fixed_get_child_position
Retrieves the translation transformation of the
given child GtkWidget
in the GtkFixed
.
gtk_fixed_get_child_transform
Retrieves the transformation for widget
set using
gtk_fixed_set_child_transform()
.
gtk_fixed_move
Sets a translation transformation to the given x
and y
coordinates to the child widget
of the GtkFixed
.
gtk_fixed_put
Adds a widget to a GtkFixed
at the given position.
gtk_fixed_remove
Removes a child from fixed
.
gtk_fixed_set_child_transform
Sets the transformation for widget
.
Methods inherited from GtkWidget (159)
Methods inherited from GtkAccessible (10)
gtk_accessible_get_accessible_role
Retrieves the GtkAccessibleRole
for the given GtkAccessible
.
gtk_accessible_reset_property
Resets the accessible property
to its default value.
gtk_accessible_reset_relation
Resets the accessible relation
to its default value.
gtk_accessible_reset_state
Resets the accessible state
to its default value.
gtk_accessible_update_property
Updates a list of accessible properties.
gtk_accessible_update_property_value
Updates an array of accessible properties.
gtk_accessible_update_relation
Updates a list of accessible relations.
gtk_accessible_update_relation_value
Updates an array of accessible relations.
gtk_accessible_update_state
Updates a list of accessible states. See the GtkAccessibleState
documentation for the value types of accessible states.
gtk_accessible_update_state_value
Updates an array of accessible states.
Methods inherited from GtkBuildable (1)
gtk_buildable_get_buildable_id
Gets the ID of the buildable
object.