Gtk.OffscreenWindow - Classes - Gtk 3.0 (original) (raw)
g Atk.ImplementorIface Atk.ImplementorIface Gtk.Widget Gtk.Widget Atk.ImplementorIface->Gtk.Widget GObject.GInterface GObject.GInterface GObject.GInterface->Atk.ImplementorIface Gtk.Buildable Gtk.Buildable GObject.GInterface->Gtk.Buildable GObject.InitiallyUnowned GObject.InitiallyUnowned GObject.InitiallyUnowned->Gtk.Widget GObject.Object GObject.Object GObject.Object->GObject.InitiallyUnowned Gtk.Bin Gtk.Bin Gtk.Window Gtk.Window Gtk.Bin->Gtk.Window Gtk.Buildable->Gtk.Widget Gtk.Container Gtk.Container Gtk.Container->Gtk.Bin Gtk.OffscreenWindow Gtk.OffscreenWindow Gtk.Widget->Gtk.Container Gtk.Window->Gtk.OffscreenWindow
Subclasses:
None
Methods¶
Inherited:
Gtk.Window (119), Gtk.Bin (1), Gtk.Container (35), Gtk.Widget (278), GObject.Object (37), Gtk.Buildable (10)
Structs:
Gtk.ContainerClass (5), Gtk.WidgetClass (12), GObject.ObjectClass (5)
| class | new () |
|---|---|
| get_pixbuf () | |
| get_surface () |
Virtual Methods¶
Inherited:
Gtk.Window (5), Gtk.Container (10), Gtk.Widget (82), GObject.Object (7), Gtk.Buildable (10)
Properties¶
Inherited:
Gtk.Window (33), Gtk.Container (3), Gtk.Widget (39)
Style Properties¶
Inherited:
Gtk.Window (2), Gtk.Widget (17)
Signals¶
Inherited:
Gtk.Window (5), Gtk.Container (4), Gtk.Widget (69), GObject.Object (1)
Fields¶
Inherited:
Gtk.Window (5), Gtk.Container (4), Gtk.Widget (69), GObject.Object (1)
| Name | Type | Access | Description |
|---|---|---|---|
| parent_object | Gtk.Window | r |
Class Details¶
class Gtk.OffscreenWindow(*args, **kwargs)¶
Bases:
Abstract:
No
Structure:
Gtk.OffscreenWindow is strictly intended to be used for obtaining snapshots of widgets that are not part of a normal widget hierarchy. Since Gtk.OffscreenWindow is a toplevel widget you cannot obtain snapshots of a full window with it since you cannot pack a toplevel widget in another toplevel.
The idea is to take a widget and manually set the state of it, add it to a Gtk.OffscreenWindow and then retrieve the snapshot as a cairo.Surface or GdkPixbuf.Pixbuf.
Gtk.OffscreenWindow derives from Gtk.Window only as an implementation detail. Applications should not use any API specific to Gtk.Windowto operate on this object. It should be treated as a Gtk.Bin that has no parent widget.
When contained offscreen widgets are redrawn, Gtk.OffscreenWindowwill emit a Gtk.Widget ::damage-event signal.
Returns:
A pointer to a Gtk.Widget
Return type:
Creates a toplevel container widget that is used to retrieve snapshots of widgets without showing them on the screen.
New in version 2.20.
Returns:
A GdkPixbuf.Pixbuf pointer, or None.
Return type:
Retrieves a snapshot of the contained widget in the form of a GdkPixbuf.Pixbuf. This is a new pixbuf with a reference count of 1, and the application should unreference it once it is no longer needed.
New in version 2.20.
Returns:
A cairo.Surface pointer to the offscreen surface, or None.
Return type:
Retrieves a snapshot of the contained widget in the form of a cairo.Surface. If you need to keep this around over window resizes then you should add a reference to it.
New in version 2.20.