15.3.3.1 Root Properties

Properties of the root graphics object:

beingdeleted: {"off"} | "on"

beingdeleted is unused.

busyaction: "cancel" | {"queue"}

busyaction is unused.

buttondownfcn: string | function handle, def. [](0x0)

buttondownfcn is unused.

callbackobject (read-only): graphics handle, def. [](0x0)

Graphics handle of the current object whose callback is executing.

children (read-only): vector of graphics handles, def. [](0x1)

Graphics handles of the root’s children.

clipping: "off" | {"on"}

clipping is unused.

commandwindowsize (read-only): def. [0 0]
createfcn: string | function handle, def. [](0x0)

createfcn is unused.

currentfigure: graphics handle, def. [](0x0)

Graphics handle of the current figure.

deletefcn: string | function handle, def. [](0x0)

deletefcn is unused.

fixedwidthfontname: string, def. "Courier"
handlevisibility: "callback" | "off" | {"on"}

handlevisibility is unused.

hittest: "off" | {"on"}

hittest is unused.

interruptible: "off" | {"on"}

interruptible is unused.

monitorpositions (read-only):

monitorpositions is unused.

parent: graphics handle, def. [](0x0)

Root object has no parent graphics object. parent is always empty.

pickableparts: "all" | "none" | {"visible"}

pickableparts is unused.

pointerlocation: two-element vector, def. [0 0]

pointerlocation is unused.

pointerwindow (read-only): graphics handle, def. 0

pointerwindow is unused.

screendepth (read-only): double
screenpixelsperinch (read-only): double
screensize (read-only): four-element vector
selected: {"off"} | "on"

selected is unused.

selectionhighlight: "off" | {"on"}

selectionhighlight is unused.

showhiddenhandles: {"off"} | "on"

If showhiddenhandles is "on", all graphics objects handles are visible in their parents’ children list, regardless of the value of their handlevisibility property.

tag: string, def. ""

A user-defined string to label the graphics object.

type (read-only): string

Class name of the graphics object. type is always "root"

uicontextmenu: graphics handle, def. [](0x0)

uicontextmenu is unused.

units: "centimeters" | "characters" | "inches" | "normalized" | {"pixels"} | "points"
userdata: Any Octave data, def. [](0x0)

User-defined data to associate with the graphics object.

visible: "off" | {"on"}

visible is unused.

© 1996–2020 John W. Eaton
Permission is granted to make and distribute verbatim copies of this manual provided the copyright notice and this permission notice are preserved on all copies.
Permission is granted to copy and distribute modified versions of this manual under the conditions for verbatim copying, provided that the entire resulting derived work is distributed under the terms of a permission notice identical to this one.
Permission is granted to copy and distribute translations of this manual into another language, under the above conditions for modified versions.
https://octave.org/doc/v5.2.0/Root-Properties.html