XmDrawingArea(3) Motif-capable drawing-area widget

SYNOPSIS

#include <Xm/DrawingA.h>

XmDrawingArea

XmCreateDrawingArea

DESCRIPTION

XmDrawingArea is a general purpose widget that can be used both as a canvas type widget or general manager widget. The widget has expose, resize and input callbacks and allows other widgets as its children.

X RESOURCES

NameClassTypeDefaultAccess

XmNmarginWidthXmCMarginWidthHorizontalDimensionNULLCSG
XmNmarginHeightXmCMarginHeightVerticalDimensionNULLCSG
XmNresizeCallbackXmCCallbackCallbackNULLCSG
XmNexposeCallbackXmCCallbackCallbackNULLCSG
XmNinputCallbackXmCCallbackCallbackNULLCSG
XmNresizePolicyXmCResizePolicyResizePolicyNULLCSG

XmNmarginWidth

XmNmarginHeight

XmNresizeCallback

XmNexposeCallback

XmNinputCallback

XmNresizePolicy

CLASS HIERARCHY

Object(3) Rect(3) UnNamedObj(3) Core(3) Composite(3) Constraint(3) XmManager(3) XmDrawingArea(3)

CALLBACKS

The Drawing Area widget defines the following callback lists : XmNexposeCallback, XmNinputCallback, XmNresizeCallback, XmNdestroyCallback.

All callbacks pass a pointer to the following structure :
  typedef struct {

    int reason;
    XEvent *event;
    Window window;
  } XmDrawingAreaCallbackStruct;

ACTIONS

DrawingAreaInput()

TRANSLATIONS

<BtnMotion>:ManagerGadgetButtonMotion()
<Btn1Down>:DrawingAreaInput() ManagerGadgetArm()
<Btn1Down>,<Btn1Up>:DrawingAreaInput() ManagerGadgetActivate()
<Btn1Up>:DrawingAreaInput() ManagerGadgetActivate()
<Btn1Down>(2+):DrawingAreaInput() ManagerGadgetMultiArm()
<Btn1Up>(2+):DrawingAreaInput() ManagerGadgetMultiActivate()
<Btn2Down>:DrawingAreaInput() ManagerGadgetDrag()
<BtnDown>:DrawingAreaInput()
<BtnUp>:DrawingAreaInput()
<Key>osfActivate:DrawingAreaInput() ManagerParentActivate()
<Key>osfCancel:DrawingAreaInput() ManagerParentCancel()
<Key>osfHelp:DrawingAreaInput() ManagerGadgetHelp()
<Key>osfSelect:DrawingAreaInput() ManagerGadgetSelect()
<Key>Return:DrawingAreaInput() ManagerParentActivate()
<Key>Return:DrawingAreaInput() ManagerGadgetSelect()
<Key>space:DrawingAreaInput() ManagerGadgetSelect()
<KeyDown>:DrawingAreaInput() ManagerGadgetKeyInput()
<KeyUp>:DrawingAreaInput()

CONVENIENCE FUNCTIONS