SgDial(3X)
SgDial --The Dial widget class
Showing IRIX 6.5.30 (default release). Unchanged since IRIX 6.5.
NAME SgDial --The Dial widget class SYNOPSIS #include <Sgm/Dial.h> VERSION This page documents the version of Sgm that accompanies Motif 1.2. DESCRIPTION Dial is used by an application to allow the user to input or modify a value from within a range of values. A Dial has a rectangular region within which a knob or pointer graphic is displayed. The user can modify the Dial's value by spinning this knob or pointer. Classes Dial inherits behavior and resources from Core and Primitive classes. The class pointer is sgDialWidgetClass. The class name is SgDial. New Resources The following table defines a set of widget resources used by the program- mer 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, SgN, XmC, or SgC 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 in- clude any underscores between words). The codes in the access column indi- cate 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). SgDial Resource Set Name Class Type Default Access ---------------------------------------------------------------------------- SgNdialMarkers SgCMarkers int 16 CSG XmNminimum XmCMinimum int 0 CSG XmNmaximum XmCMaximum int 360 CSG SgNstartAngle SgCStartAngle int 0 CSG SgNangleRange SgCAngleRange int 360 CSG SgNindicatorColor XmCColor Pixel Red CSG XmNvalue XmCValue Position 0 CSG SgNmarkerLength XmCLength Dimension 8 CSG SgNdialForeground SgCForeground Pixel Red CSG SgNdialVisual SgCDialVisual SgDialVisual SgKNOB CSG XmNvalueChangedCallback XmCCallback XtCallbackList NULL C XmNdragCallback XmCCallback XtCallbackList NULL C SgNdialMarkers Specifies the number of divisions around the perimeter of the dial. A "tick mark" will be drawn at each division, filled with the color set by SgNdialForeground. XmNmaximumSpecifies the dial's maximum value. XmNmaximum must be greater than or equal to XmNminimum. XmNminimumSpecifies the dial's minimum value. XmNmaximum must be greater than or equal to XmNminimum. SgNstartAngle Specifies the whole number angle (0-360) where the dial will start increasing. SgNangleRange Specifies the angular range, in degrees, through which the dial is allowed to rotate. This, in conjunction with XmNmaximum and XmNminimum, controls the fineness or coarseness of the dial con- trol. SgNindicatorColor Specifies the color to be used for filling in the center of the dial pointer, in SgPOINTER mode. XmNvalue Specifies the current position of the dial, between XmNminimum and XmNmaximum. SgNmarkerLength Specifies the length (in pixels) of each tick mark on the dial. The width of each tick mark is derived from the length (length/3). SgNdialForeground Specifies the color to be used for filling in the tick marks around the perimeter of the dial. SgNdialVisual Specifies the look of the dial, either SgKNOB or SgPOINTER. XmNvalueChangedCallback Specifies the list of callbacks that is called when the value of the dial has changed. The reason sent by the callback is XmCR_VALUE_CHANGED. XmNdragCallback Specifies the list of callbacks that is called when the dial po- sition changes as the dial is being spun. The reason sent by the callback is XmCR_DRAG. Inherited Resources Dial inherits behavior and resources from the following superclasses. For a complete description of each resource, refer to the man page for that su- perclass. XmPrimitive Resource Set Name Class Type Default Access ------------------------------------------------------------------------------------------------- XmNbottomShadowColor XmCBottomShadowColor Pixel dynamic CSG XmNbottomShadowPixmap XmCBottomShadowPixmap Pixmap XmUNSPECIFIED_PIXMAP CSG 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 0 CSG XmNnavigationType XmCNavigationType XmNavigationType XmNONE CSG XmNshadowThickness XmCShadowThickness Dimension 0 CSG XmNtopShadowColor XmCTopShadowColor Pixel dynamic CSG XmNtopShadowPixmap XmCTopShadowPixmap Pixmap dynamic CSG XmNtraversalOn XmCTraversalOn Boolean False 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 Callback Information A pointer to the following structure is passed to each callback: typedef struct { int reason; XEvent * event; int position; } SgDialCallbackStruct; reason Indicates why the callback was invoked event Points to the XEvent that triggered the callback position Is the new dial value Behavior Dial behavior is described below: BSelect Press or BDrag Press: Activates the interactive dragging of the dial. BSelect Motion or BDrag Motion: Motion events spin the dial to follow the motion of the pointer and call the callbacks for XmNdragCallback. BSelect Release or BDrag Release: If the dial position has changed, the callbacks for XmNval- ueChangedCallback are called. Virtual Bindings The bindings for virtual keys are vendor specific. For information about bindings for virtual buttons and keys, see VirtualBindings(3X). RELATED INFORMATION Primitive(3X), Core(3X) Dial(3X)