xmdrawingarea(3)
NAME
XmDrawingArea
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
Name Class Type Default Access ----------------------------------------------------------------------------XmNmarginWidth XmCMarginWidth HorizontalDimension NULL CSG XmNmarginHeight XmCMarginHeight VerticalDimension NULL CSG XmNresizeCallback XmCCallback Callback NULL CSG XmNexposeCallback XmCCallback Callback NULL CSG XmNinputCallback XmCCallback Callback NULL CSG XmNresizePolicy XmCResizePolicy ResizePolicy NULL CSG
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()