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Man Pages


Manual Reference Pages  -  XMCONVERTSTRINGTOUNITS (3)

NAME

XmConvertStringToUnits — A function that converts a string specification to a unit value

CONTENTS

SYNOPSIS

#include <Xm/Xm.h>
int XmConvertStringToUnits(
Screen *screen,
String spec,
int orientation,
int to_type,
XtEnum *parse_error);

DESCRIPTION

XmConvertStringToUnits converts a string specification value and returns the converted value as the return value from the function. This function uses the specified screen’s resolution to compute the number of units for the string specification.
screen Specifies the screen whose resolution is to be used for the computation.
spec Specifies the string, in <floating value><unit> format, to be converted.
orientation Specifies whether the converter uses the horizontal or vertical screen resolution when performing the conversion. The orientation parameter can have values of XmHORIZONTAL or XmVERTICAL.
to_type Converts the value to the unit type specified. Refer to the XmNunitType resource of the XmGadget, XmManager, or XmPrimitive reference page. This parameter can have one of the following values:
XmPIXELS The returned value will be the number of pixels.
XmMILLIMETERS The returned value will be the number of millimeters.
Xm100TH_MILLIMETERS The returned values will be the number of 1/100 millimeters.
XmCENTIMETERS The returned values will be the number of centimeters.
XmINCHES The returned values will be the number of inches.
Xm1000TH_INCHES The returned values will be the number of 1/100 inches.
XmPOINTS The returned values will be the number of points. A point is a text processing unit defined as 1/72 of an inch.
Xm100TH_POINTS The returned values will be the number of 1/100 points.
XmFONT_UNITS All values provided to the widget are treated as font units. A font unit has horizontal and vertical components. These are the values of the XmScreen resources XmNhorizontalFontUnit and XmNverticalFontUnit.
Xm100TH_FONT_UNITS All values provided to the widget are treated as 1/100 of a font unit. A font unit has horizontal and vertical components. These are the values of the XmScreen resources XmNhorizontalFontUnit and XmNverticalFontUnit.
parse_error Specifies if a parsing error occurred. This is set to a value of True indicates that an error occurred, a value of False to indicate no error.

RETURN

Returns the converted value. If a NULL screen, incorrect orientation, or incorrect unit_type is supplied as parameter data, or if a parsing error occurred, 0 (zero) is returned.

RELATED

XmConvertUnits(3), XmSetFontUnits(3), and XmScreen(3).

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