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XmArrowButton(3) FreeBSD Library Functions Manual XmArrowButton(3)

XmArrowButton — The ArrowButton widget class

#include <Xm/ArrowB.h>

ArrowButton consists of a directional arrow surrounded by a border shadow. When it is selected, the shadow changes to give the appearance that the ArrowButton has been pressed in. When the ArrowButton is unselected, the shadow reverts to give the appearance that the ArrowButton is released, or out.
ArrowButton holds the XmQTactivatable trait.

ArrowButton inherits behavior, resources, and traits from the Core and XmPrimitive classes.
The class pointer is xmArrowButtonWidgetClass.
The class name is XmArrowButton.

The following table defines a set of widget resources used by the programmer to specify data. The programmer can also set the resource values for the inherited classes to set attributes for this widget. To reference a resource by name or by class in a .Xdefaults file, remove the XmN or XmC prefix and use the remaining letters. To specify one of the defined values for a resource in a .Xdefaults file, remove the Xm prefix and use the remaining letters (in either lowercase or uppercase, but include any underscores between words). The codes in the access column indicate if the given resource can be set at creation time (C), set by using XtSetValues (S), retrieved by using XtGetValues (G), or is not applicable (N/A).
XmArrowButton Resource Set
Name Class Type Default Access
_ _ _ _ _
XmNactivateCallback XmCCallback XtCallbackList NULL C
_ _ _ _ _
XmNarmCallback XmCCallback XtCallbackList NULL C
_ _ _ _ _
XmNarrowDirection XmCArrowDirection unsigned char XmARROW_UP CSG
_ _ _ _ _
XmNdetailShadowThickness XmCDetailShadowThickness Dimension 2 CSG
_ _ _ _ _
XmNdisarmCallback XmCCallback XtCallbackList NULL C
_ _ _ _ _
XmNmultiClick XmCMultiClick unsigned char dynamic CSG
_ _ _ _ _
XmNactivateCallback
Specifies a list of callbacks that is called when the ArrowButton is activated. To activate the button, press and release BSelect while the pointer is inside the ArrowButton widget. Activating the ArrowButton also disarms it. The reason sent by this callback is XmCR_ACTIVATE. This callback uses the XmQTactivatable trait.
XmNarmCallback
Specifies a list of callbacks that is called when the ArrowButton is armed. To arm this widget, press BSelect while the pointer is inside the ArrowButton. The reason sent by this callback is XmCR_ARM.
XmNarrowDirection
Sets the arrow direction. The values for this resource are
XmARROW_UP
XmARROW_DOWN
XmARROW_LEFT
XmARROW_RIGHT
XmNdetailShadowThickness
Specifies the thickness of the inside arrow shadows. The default thickness is 2 pixels.
XmNdisarmCallback
Specifies a list of callbacks that is called when the ArrowButton is disarmed. To disarm this widget, press and release BSelect while the pointer is inside the ArrowButton. The reason for this callback is XmCR_DISARM.
XmNmultiClick
If a button click is followed by another button click within the time span specified by the display's multiclick time, and this resource is set to XmMULTICLICK_DISCARD, the second click. is not processed. If this resource is set to XmMULTICLICK_KEEP, the event is processed and click_count is incremented in the callback structure. When the button is not in a menu, the default value is XmMULTICLICK_KEEP.

ArrowButton inherits behavior and resources from the superclasses described in the following table. For a complete description of each resource, refer to the reference page for that superclass.
XmPrimitive Resource Set
Name Class Type Default Access
_ _ _ _ _
XmNbottomShadowColor XmCBottomShadowColor Pixel dynamic CSG
_ _ _ _ _
XmNbottomShadowPixmap XmCBottomShadowPixmap Pixmap XmUNSPECIFIED_PIXMAP CSG
_ _ _ _ _
XmNconvertCallback XmCCallback XtCallbackList NULL C
_ _ _ _ _
XmNforeground XmCForeground Pixel dynamic CSG
_ _ _ _ _
XmNhelpCallback XmCCallback XtCallbackList NULL C
_ _ _ _ _
XmNhighlightColor XmCHighlightColor Pixel dynamic CSG
_ _ _ _ _
XmNhighlightOnEnter XmCHighlightOnEnter Boolean False CSG
_ _ _ _ _
XmNhighlightPixmap XmCHighlightPixmap Pixmap dynamic CSG
_ _ _ _ _
XmNhighlightThickness XmCHighlightThickness Dimension 2 CSG
_ _ _ _ _
XmNlayoutDirection XmCLayoutDirection XmDirection dynamic CG
_ _ _ _ _
XmNnavigationType XmCNavigationType XmNavigationType XmNONE CSG
_ _ _ _ _
XmNpopupHandlerCallback XmCCallback XtCallbackList NULL C
_ _ _ _ _
XmNshadowThickness XmCShadowThickness Dimension 2 CSG
_ _ _ _ _
XmNtopShadowColor XmCTopShadowColor Pixel dynamic CSG
_ _ _ _ _
XmNtopShadowPixmap XmCTopShadowPixmap Pixmap dynamic CSG
_ _ _ _ _
XmNtraversalOn XmCTraversalOn Boolean True CSG
_ _ _ _ _
XmNunitType XmCUnitType unsigned char dynamic CSG
_ _ _ _ _
XmNuserData XmCUserData XtPointer NULL CSG
_ _ _ _ _
Core Resource Set
Name Class Type Default Access
_ _ _ _ _
XmNaccelerators XmCAccelerators XtAccelerators dynamic CSG
_ _ _ _ _
XmNancestorSensitive XmCSensitive Boolean dynamic G
_ _ _ _ _
XmNbackground XmCBackground Pixel dynamic CSG
_ _ _ _ _
XmNbackgroundPixmap XmCPixmap Pixmap XmUNSPECIFIED_PIXMAP CSG
_ _ _ _ _
XmNborderColor XmCBorderColor Pixel XtDefaultForeground CSG
_ _ _ _ _
XmNborderPixmap XmCPixmap Pixmap XmUNSPECIFIED_PIXMAP CSG
_ _ _ _ _
XmNborderWidth XmCBorderWidth Dimension 0 CSG
_ _ _ _ _
XmNcolormap XmCColormap Colormap dynamic CG
_ _ _ _ _
XmNdepth XmCDepth int dynamic CG
_ _ _ _ _
XmNdestroyCallback XmCCallback XtCallbackList NULL C
_ _ _ _ _
XmNheight XmCHeight Dimension dynamic CSG
_ _ _ _ _
XmNinitialResourcesPersistent XmCInitialResourcesPersistent Boolean True C
_ _ _ _ _
XmNmappedWhenManaged XmCMappedWhenManaged Boolean True CSG
_ _ _ _ _
XmNscreen XmCScreen Screen * dynamic CG
_ _ _ _ _
XmNsensitive XmCSensitive Boolean True CSG
_ _ _ _ _
XmNtranslations XmCTranslations XtTranslations dynamic CSG
_ _ _ _ _
XmNwidth XmCWidth Dimension dynamic CSG
_ _ _ _ _
XmNx XmCPosition Position 0 CSG
_ _ _ _ _
XmNy XmCPosition Position 0 CSG
_ _ _ _ _

A pointer to the following structure is passed to each callback:
typedef struct
{
        int  reason;
        XEvent  * event;
        int  click_count;
} XmArrowButtonCallbackStruct;
reason
Indicates why the callback was invoked.
event
Points to the XEvent that triggered the callback.
click_count
This value is valid only when the reason is XmCR_ACTIVATE. It contains the number of clicks in the last multiclick sequence if the XmNmultiClick resource is set to XmMULTICLICK_KEEP; otherwise it contains 1. The activate callback is invoked for each click if XmNmultiClick is set to XmMULTICLICK_KEEP.

XmArrowButton includes translations for XmPrimitive. The following key names are listed in the X standard key event translation table syntax. This format is the one used by Motif to specify the widget actions corresponding to a given key. A brief overview of the format is provided under VirtualBindings(3). For a complete description of the format, please refer to the X Toolkit Instrinsics Documentation.
<EnterWindow>:
Enter()
<LeaveWindow>:
Leave()
c<Btn1Down>:
ButtonTakeFocus()
∼c<Btn1Down>:
Arm()
∼c<Btn1Down>,∼c<Btn1Up>:
Activate() Disarm()
∼c<Btn1Down>(2+):
MultiArm()
∼c<Btn1Up>(2+):
MultiActivate()
∼c<Btn1Up>:
Activate() Disarm()
:<Key><osfActivate>:
PrimitiveParentActivate()
:<Key><osfCancel>:
PrimitiveParentCancel()
:<Key><osfSelect>:
ArmAndActivate()
:<Key><osfHelp>:
Help()
∼s ∼m ∼a <Key>Return:
PrimitiveParentActivate()
∼s ∼m ∼a <Key>space:
ArmAndActivate()

The XmArrowButton action routines are
Activate():
Draws the shadow in the unselected state. If the pointer is within the ArrowButton, calls the callbacks for XmNactivateCallback.
Arm():
Draws the shadow in the selected state and calls the callbacks for XmNarmCallback.
ArmAndActivate():
Draws the shadow in the selected state and calls the callbacks for XmNarmCallback. Arranges for the shadow to be drawn in the unselected state and the callbacks for XmNactivateCallback and XmNdisarmCallback to be called, either immediately or at a later time.
ButtonTakeFocus():
Causes the ArrowButton to take keyboard focus when Ctrl<Btn1Down> is pressed, without activating the widget.
Disarm():
Draws the shadow in the unselected state and calls the callbacks for XmNdisarmCallback.
Help():
Calls the callbacks for XmNhelpCallback if any exist. If there are no help callbacks for this widget, this action calls the help callbacks for the nearest ancestor that has them.
MultiActivate():
If XmNmultiClick is XmMULTICLICK_DISCARD, this action does nothing.
If XmNmultiClick is XmMULTICLICK_KEEP, this action increments click_count in the callback structure and draws the shadow in the unselected state. If the pointer is within the ArrowButton, this action calls the callbacks for XmNactivateCallback and XmNdisarmCallback.
MultiArm():
If XmNmultiClick is XmMULTICLICK_DISCARD, this action does nothing. If XmNmultiClick is XmMULTICLICK_KEEP, this action draws the shadow in the selected state and calls the callbacks for XmNarmCallback.

This widget has the following additional behavior:
<EnterWindow>:
Draws the ArrowButton shadow in its selected state if the pointer leaves and re-enters the window while <Btn1> is pressed.
<LeaveWindow>:
Draws the ArrowButton shadow in its unselected state if the pointer leaves the window while <Btn1> is pressed.

The bindings for virtual keys are vendor specific. For information about bindings for virtual buttons and keys, see VirtualBindings(3).

Core(3), XmCreateArrowButton(3), XmPrimitive(3), XmVaCreateArrowButton(3), and XmVaCreateManagedArrowButton(3).

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