XmStringDirectionToDirection(library call) XmStringDirectionToDirection(library call)
NAME
XmStringDirectionToDirection -- A function that converts from XmStringDirection to XmDirection
SYNOPSIS
#include <Xm/Xm.h>
XmDirection XmStringDirectionToDirection(
XmStringDirection direction);
DESCRIPTION
XmStringDirectionToDirection converts the specified XmStringDirection direction value to its equivalent XmDirection value. This function
provides backward compatibility with the XmStringDirection data type.
direction Specifies the XmStringDirection value to be converted.
RETURN
Returns the following XmDirection values:
XmLEFT_TO_RIGHT
If the direction argument is XmSTRING_DIRECTION_L_TO_R.
XmRIGHT_TO_LEFT
If the direction argument is XmSTRING_DIRECTION_R_TO_L.
XmDEFAULT_DIRECTION
If the direction argument was not either of the above.
RELATED INFORMATION XmStringDirection(3) and XmDirection(3).
XmStringDirectionToDirection(library call)
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XmDirection(library call) XmDirection(library call)
NAME
XmDirection -- Data type for the direction of widget components
SYNOPSIS
#include <Xm/Xm.h>
DESCRIPTION
XmDirection is the data type specifying the direction in which the system displays subwidgets, children of widgets, or other visual compo-
nents that are to be laid out. This data type also affects traversal order within tab groups.
XmDirection is implemented as an unsigned char bit mask. The horizontal and vertical directions can be specified independent of each
other. XmDirection also specifies the precedence of the horizontal and vertical directions relative to each other. For example, a value of
XmRIGHT_TO_LEFT_TOP_TO_BOTTOM lays out a component horizontally from right to left first, then vertically top to bottom.
XmDirection provides the following masks, each of which corresponds to a particular bit in XmDirection:
o XmRIGHT_TO_LEFT_MASK
o XmLEFT_TO_RIGHT_MASK
o XmTOP_TO_BOTTOM_MASK
o XmBOTTOM_TO_TOP_MASK
o XmPRECEDENCE_HORIZ_MASK
o XmPRECEDENCE_VERT_MASK
In addition to the preceding single bit masks, XmDirection also provides the following multiple bit masks. These multiple bit masks are
particularly useful as arguments to XmDirectionMatchPartial:
o XmHORIZONTAL_MASK
o XmPRECEDENCE_MASK
o XmVERTICAL_MASK
Motif also provides the following enumerated constants for specifying various combinations of directions:
XmRIGHT_TO_LEFT_TOP_TO_BOTTOM
Specifies that the components are laid out from right to left first, then top to bottom.
XmLEFT_TO_RIGHT_TOP_TO_BOTTOM
Specifies that the components are laid out from left to right first, then top to bottom.
XmRIGHT_TO_LEFT_BOTTOM_TO_TOP
Specifies that the components are laid out from right to left first, then bottom to top.
XmLEFT_TO_RIGHT_BOTTOM_TO_TOP
Specifies that the components are laid out from left to right first, then bottom to top.
XmTOP_TO_BOTTOM_RIGHT_TO_LEFT
Specifies that the components are laid out from top to bottom first, then right to left.
XmTOP_TO_BOTTOM_LEFT_TO_RIGHT
Specifies that the components are laid out from top to bottom first, then left to right.
XmBOTTOM_TO_TOP_RIGHT_TO_LEFT
Specifies that the components are laid out from bottom to top first, then right to left.
XmBOTTOM_TO_TOP_LEFT_TO_RIGHT
Specifies that the components are laid out from bottom to top first, then left to right.
XmTOP_TO_BOTTOM
Specifies that the components are laid out from top to bottom. If horizontal direction is important, do not use this constant.
XmBOTTOM_TO_TOP
Specifies that the components are laid out from bottom to top. If horizontal direction is important, do not use this constant.
XmDEFAULT_DIRECTION
Specifies that the components are laid out according to the default direction. (This constant is primarily for widget writers.)
XmLEFT_TO_RIGHT
Specifies that the components are laid out from left to right. If vertical direction is important, do not use this constant.
XmRIGHT_TO_LEFT
Specifies that the components are laid out from right to left. If vertical direction is important, do not use this constant.
RELATED XmDirectionMatch(3), XmDirectionMatchPartial(3), XmDirectionToStringDirection(3), XmString(3), XmStringDirection(3), and XmStringDirection-
ToDirection(3).
XmDirection(library call)