xmdrawingarea.3

安装DDD之前

'\" t
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.TH XmDrawingArea 3 "April 1998" "LessTif Project" "LessTif Manuals"
.SH NAME
XmDrawingArea
.SH SYNOPSIS
.B #include <Xm/DrawingA.h>
.PP
.B XmDrawingArea
.PP
.B XmCreateDrawingArea
.SH 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. 
.SH X RESOURCES
.TS
tab(;);
l l l l l.
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
.TE
.PP
.BR XmNmarginWidth
.PP
.BR XmNmarginHeight
.PP
.BR XmNresizeCallback
.PP
.BR XmNexposeCallback
.PP
.BR XmNinputCallback
.PP
.BR XmNresizePolicy
.PP
.SH CLASS HIERARCHY
.BR Object (3)
.BR Rect (3)
.BR UnNamedObj (3)
.BR Core (3)
.BR Composite (3)
.BR Constraint (3)
.BR XmManager (3)
.BR XmDrawingArea (3)
.SH CALLBACKS
The Drawing Area widget defines the following callback lists : 
.BR XmNexposeCallback,
.BR XmNinputCallback,
.BR XmNresizeCallback,
.BR XmNdestroyCallback.
.PP
All callbacks pass a pointer to the following structure :
.SM
  typedef struct {
    int reason;
    XEvent *event;
    Window window;
  } XmDrawingAreaCallbackStruct;
.SM
.SH ACTIONS

DrawingAreaInput()

.SH TRANSLATIONS
.TS
tab(;);
l l.
<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() 
.TE
.SH CONVENIENCE FUNCTIONS
.SH SEE ALSO