pymel.core.windows.gradientControl

gradientControl(*args, **kwargs)

This command creates a control that displays the gradient attribute specified. The gradient attribute must be of the correct form and naming. It should be a multi attribute with each entry a compound composed of: Either a color compound or a float value (the control will automatically detect which and display a ramp or graph accordingly).A single float attribute for position.An enum for the interpolation types.Currently the routines to get the value of a ramp structure (with interpolation) are not available through MEL, which limits the use of this control by end users. The MEL command AEaddRampControl should be used to attach this control to an attribute from attribute editor templates.

Flags:

Long name (short name)		Argument Types	Properties
adaptiveScaling (adaptiveScaling)		bool
	Allow the ramp widget display to scale vertically to accommodate values greater than 1.0. True if adaptive scaling is enabled, false (the default) if not.
annotation (ann)		unicode
	Annotate the control with an extra string value.
attribute (at)		PyNode
	Specifies the name of the gradient attribute to control.
backgroundColor (bgc)		float, float, float
	The background color of the control. The arguments correspond to the red, green, and blue color components. Each component ranges in value from 0.0 to 1.0.When setting backgroundColor, the background is automatically enabled, unless enableBackground is also specified with a false value.
defineTemplate (dt)		unicode
	Puts a command in a mode where any other flags and args are parsed and added to the command template specified in the argument. They will be used as default arguments in any subsequent invocations of the command when templateName is set as the current template.
docTag (dtg)		unicode
	Add a documentation flag to the control. The documentation flag has a directory structure like hierarchy. Eg. -dt render/multiLister/createNode/material
dragCallback (dgc)		script
	Adds a callback that is called when the middle mouse button is pressed. The MEL version of the callback is of the form: global proc string[] callbackName(string $dragControl, int $x, int $y, int $mods) The proc returns a string array that is transferred to the drop site. By convention the first string in the array describes the user settable message type. Controls that are application defined drag sources may ignore the callback. $mods allows testing for the key modifiers CTL and SHIFT. Possible values are 0 == No modifiers, 1 == SHIFT, 2 == CTL, 3 == CTL + SHIFT. In Python, it is similar, but there are two ways to specify the callback. The recommended way is to pass a Python function object as the argument. In that case, the Python callback should have the form: def callbackName( dragControl, x, y, modifiers ): The values of these arguments are the same as those for the MEL version above. The other way to specify the callback in Python is to specify a string to be executed. In that case, the string will have the values substituted into it via the standard Python format operator. The format values are passed in a dictionary with the keys “dragControl”, “x”, “y”, “modifiers”. The “dragControl” value is a string and the other values are integers (eg the callback string could be “print ‘%(dragControl)s %(x)d %(y)d %(modifiers)d’”)
dropCallback (dpc)		script
	Adds a callback that is called when a drag and drop operation is released above the drop site. The MEL version of the callback is of the form: global proc callbackName(string $dragControl, string $dropControl, string $msgs[], int $x, int $y, int $type) The proc receives a string array that is transferred from the drag source. The first string in the msgs array describes the user defined message type. Controls that are application defined drop sites may ignore the callback. $type can have values of 1 == Move, 2 == Copy, 3 == Link. In Python, it is similar, but there are two ways to specify the callback. The recommended way is to pass a Python function object as the argument. In that case, the Python callback should have the form: def pythonDropTest( dragControl, dropControl, messages, x, y, dragType ): The values of these arguments are the same as those for the MEL version above. The other way to specify the callback in Python is to specify a string to be executed. In that case, the string will have the values substituted into it via the standard Python format operator. The format values are passed in a dictionary with the keys “dragControl”, “dropControl”, “messages”, “x”, “y”, “type”. The “dragControl” value is a string and the other values are integers (eg the callback string could be “print ‘%(dragControl)s %(dropControl)s %(messages)r %(x)d %(y)d %(type)d’”)
enable (en)		bool
	The enable state of the control. By default, this flag is set to true and the control is enabled. Specify false and the control will appear dimmed or greyed-out indicating it is disabled.
enableBackground (ebg)		bool
	Enables the background color of the control.
exists (ex)		bool
	Returns true|false depending upon whether the specified object exists. Other flags are ignored.
fullPathName (fpn)		unicode
	Return the full path name of the widget, which includes all the parents
height (h)		int
	The height of the control. The control will attempt to be this size if it is not overruled by parent layout conditions.
isObscured (io)		bool
	Return whether the control can actually be seen by the user. The control will be obscured if its state is invisible, if it is blocked (entirely or partially) by some other control, if it or a parent layout is unmanaged, or if the control’s window is invisible or iconified.
manage (m)		bool
	Manage state of the control. An unmanaged control is not visible, nor does it take up any screen real estate. All controls are created managed by default.
numberOfControls (nc)		int
	Returns the number of controls in the ramp widget
numberOfPopupMenus (npm)		bool
	Return the number of popup menus attached to this control.
parent (p)		unicode
	The parent layout for this control.
popupMenuArray (pma)		bool
	Return the names of all the popup menus attached to this control.
preventOverride (po)		bool
	If true, this flag disallows overriding the control’s attribute via the control’s right mouse button menu.
refreshOnRelease (ror)		int
	Define how updates are dispatched during interactive editing of the ramp widget. True causes updates to only dispatch after releasing the mouse button after editing. False (the default) causes updates to dispatch interactively during editing (e.g. while moving ramp curve points). Note that the global update mode, if set to “on release” can disable the effect of this option.
selectedColorControl (scc)		unicode
	Specifies the name of a color control to edit the selected color.
selectedInterpControl (sic)		unicode
	Specifies the name of an enum control to edit the selected interpolation.

| .. |

spc)** | unicode | .. image:: /images/create.gif |

| | .. image:: /images/edit.gif |

Specifies the name of a float slider to edit the selected position.

| .. |

snc)** | bool | .. image:: /images/create.gif |

| | .. image:: /images/query.gif |

| | .. image:: /images/edit.gif |

	When ‘true’, this flag disables the creation/deletion of ramp entries (control points) via ramp widget interaction. Default is false.
staticPositions (sp)		bool
	When ‘true’, this flag disables the interactive modification of ramp entry positions. Default is false.
upperLimitControl (ulc)		unicode
	Specify the name of a text control which is updated with the current upper display limit for the ramp. This option is only effective when adaptiveScaling is specified.
useTemplate (ut)		unicode
	Force the command to use a command template other than the current one.
verticalLayout (vl)		bool
	When ‘true’, this makes the control orient vertically rather than horizontally. The default is false or horizontal.Flag can appear in Create mode of commandFlag can have multiple arguments, passed either as a tuple or a list.
visible (vis)		bool
	The visible state of the control. A control is created visible by default. Note that a control’s actual appearance is also dependent on the visible state of its parent layout(s).
visibleChangeCommand (vcc)		script
	Command that gets executed when visible state of the control changes.
width (w)		int
	The width of the control. The control will attempt to be this size if it is not overruled by parent layout conditions.

Derived from mel command maya.cmds.gradientControl

Example:

import pymel.core as pm

import maya.cmds as cmds

# Create a ramp widget for the profileCurve attribute
#
pm.window( title='Gradient Control For Attribute' )
# Result: ui.Window('window1') #
objName = pm.createNode('polySplitRing')
pm.columnLayout()
# Result: ui.ColumnLayout('window1|columnLayout40') #
pm.gradientControl( at='%s.profileCurve' % objName )
# Result: ui.GradientControl('window1|columnLayout40|gradientControl1') #
pm.showWindow()

# To add a ramp widget in the attribute editor, call the
# AEaddRampControl mel script.
#