cdk_objs man page on DragonFly

cdk_objs man page on DragonFly

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cdk_objs(3)							   cdk_objs(3)

NAME
       cdk_objs - Cdk object-support functions

SYNOPSIS
       cc [ flag ... ] file ...	 -lcdk [ library ... ]

       void cleanCdkTitle (
		      CDKOBJS *obj);

       void drawCdkTitle (
		      WINDOW *window,
		      CDKOBJS *object);

       void positionCDKObject (
		      CDKOBJS *object,
		      WINDOW *win);

       void setCDKObjectBackgroundColor (
		      CDKOBJS *object,
		      const 3char *color);

       void setCDKObjectPostProcess (
		      CDKOBJS *object,
		      PROCESSFN func,
		      void *data);

       void setCDKObjectPreProcess (
		      CDKOBJS *object,
		      PROCESSFN func,
		      void *data);

       void setCdkExitType(
		      CDKOBJS *obj,
		      EExitType *type,
		      chtyp ch);

       int setCdkTitle (
		      CDKOBJS *obj,
		      const char *title,
		      int boxWidth);

       bool validCDKObject (
		      CDKOBJS *obj);

DESCRIPTION
       Cdk  is	written in ANSI C, which has "no" object support.  Most of the
       object support in Cdk is done using macros and a small number of	 types
       which hold object information:

	    CDKFUNCS
		 contains the function pointers for common methods of the wid‐
		 gets.	It is separate from CDKOBJS  because  it  is  compiled
		 into  each  widget's  C code (see the DeclareCDKObjects() and
		 DeclareSetXXchar() macros.  The widget instances point	 to  a
		 single copy of CDKFUNCS for each widget.

	    CDKOBJS
		 Holds	data  common  to  all  objects (widget instances).  It
		 appears first in each widget's struct to  allow  Cdk  to  use
		 generic functions in binding.c, cdkscreen.c, position.c, etc.

AVAILABLE FUNCTIONS
       The functions declared in <cdk/cdk_objs.h> are used in situations where
       the expressions are too complex for a macro.

       cleanCdkTitle
	    Remove storage for the widget's title.

       drawCdkTitle,
	    Draw the widget's title.

       positionCDKObject
	    This allows the user to use the cursor keys to adjust the position
	    of the widget.

       setCDKObjectBackgroundColor
	    Set the background color of the widget.

       setCDKObjectPostProcess
	    Set data for postprocessing.

       setCDKObjectPreProcess
	    Set data for preprocessing.

       setCdkExitType
	    Set	 the  object's	exit-type  based  on the input.	 The .exitType
	    field should have been part of the CDKOBJS struct, but it is  used
	    too pervasively in Cdk4 applications to move.

       setCdkTitle
	    Set the widget's title.

       validCDKObject
	    Returns true if a "new" was done on the object but no "destroy".

SEE ALSO
       cdk_binding (3) cdk_process (3)

								   cdk_objs(3)

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