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Usenet 1994 October
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usenetsourcesnewsgroupsinfomagicoctober1994disk2.iso
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volume10
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xt-examples
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part03
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LabelP.h
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1990-11-04
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/***********************************************************
Copyright 1990 by Digital Equipment Corporation, Maynard, Massachusetts.
All Rights Reserved
Permission to use, copy, modify, and distribute these examples for any
purpose and without fee is hereby granted, provided that the above
copyright notice appear in all copies and that both that copyright
notice and this permission notice appear in supporting documentation,
and that the name of Digital not be used in advertising or publicity
pertaining to distribution of the software without specific, written
prior permission.
DIGITAL AND THE AUTHORS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
FITNESS, IN NO EVENT SHALL DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT
OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE
OR PERFORMANCE OF THIS SOFTWARE.
******************************************************************/
/* Make it safe to include this file more than once. */
#ifndef LABELP_H
#define LABELP_H
/* Include the public header file for Label */
#include "Label.h"
/* Label is derived from Core, so no need to include the superclass
private header file. No internal types need to be defined. */
/* Define the Label instance part */
typedef struct {
/* New resource fields */
String label; /* Text to display */
Pixel foreground; /* Foreground pixel value */
XFontStruct *font; /* Font to display in */
Justify justify; /* The justification value */
Dimension space; /* Inner padding value */
XtCallbackList lose_selection; /* Notify app. of lost selection */
/* New internal fields */
GC gc; /* Graphics context for displaying */
Dimension label_width; /* The calculated width */
Dimension label_height; /* The calculated height */
Cardinal label_len; /* The length of the text string */
Boolean size_computed; /* Whether the size was computed */
Dimension desired_width; /* The width the widget wants to be */
Dimension desired_height; /* The height the widget wants to be */
String accel_string; /* Accelerator string */
GC current_gc; /* GC we are currently using */
} LabelPart;
/* Define the full instance record */
typedef struct _LabelRec {
CorePart core;
LabelPart label;
} LabelRec;
/* Define new type for the class method */
typedef Boolean (*LabelSelectionProc)();
/* Widget w; */
/* Atom selection; */
/* Boolean own; */
/* Define class part structure */
typedef struct {
LabelSelectionProc select;
XtPointer extension;
} LabelClassPart;
/* Define the full class record */
typedef struct _LabelClassRec {
CoreClassPart core_class;
LabelClassPart label_class;
} LabelClassRec, *LabelWidgetClass;
/* External definition for class record */
extern LabelClassRec labelClassRec;
/* Inheritance constant for select_text method */
#define InheritSelectText ((LabelSelectionProc) _XtInherit)
/* End of preprocessor directives */
#endif /* LABELP_H */