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NAME

KEYWORDS

SYNOPSIS

Parameters:

bcolor=string

Sets the color of the menu background

Options: red,orange,yellow,green,blue,indigo,violet,white,black,gray,brown,magenta,aqua,grey,cyan,purple

Default: white

tcolor=string

Sets the color of the menu text

Options: red,orange,yellow,green,blue,indigo,violet,white,black,gray,brown,magenta,aqua,grey,cyan,purple

Default: black

dcolor=string

Sets the color dividing lines of text

Options: red,orange,yellow,green,blue,indigo,violet,white,black,gray,brown,magenta,aqua,grey,cyan,purple

Default: black

size=integer

Sets the menu text size (in percent)

Options: 1-100

Default: 3

DESCRIPTION

Parameters can be stated on the command line, from within standard input (stdin), or from within a script file (as illustrated below).

The user can specify the menu's background, text, and line colors (bcolor, tcolor, and dcolor) and the menu size (size) on the command line. If the user sets at least one of these values on the command line, any remaining values that are not specified will be set (automatically) to their default values.

NOTES

Menu Information:

The user specifies the menu contents by entering a menu TITLE followed by the option choices to appear in the menu when displayed. The user must enter a menu TITLE and at least one menu option. All .dot commands are optional.

#

Comment line. (ignored)

.B value

Specifies the menu's background color.

.C value

Specifies the menu's text color.

.D value

Specifies the menu's dividing line color.

.F value

Specifies the menu's font. May be any of the standard GRASS fonts. (see d.font)

.S value

Specifies the menu's font size. (as a percentage of the active frame's height).

.T value

Specifies the menu's distance from the active display frame's top edge (as a percentage of the active frame's height).

.L value

Specifies the menu's distance from the active display frame's left edge (as a percentage of the active frame's width).

menu TITLE

A TITLE that describes the type of options listed in the menu, and that will appear at the top of the menu when it is displayed.

option name(s)

The options that will appear in the menu when displayed. Each menu option should appear on a separate line. The user may enter as many options as desired, but must enter at least one menu option.

If the user enters the menu TITLE and option(s) from standard input (i.e., at the keyboard rather than from a file), the user should enter control-d to end input and display the menu in the active frame on the graphics monitor. (Note: The d.menu program can also be incorporated into UNIX Bourne shell script macros. The below example shows how this might be done.)

EXAMPLES

Example 1

a=`d.menu << EOF
# set the background color
.B brown
# set the text color
.C yellow
# set the text size in % of entire screen height
.S 3
# set the top edge
.T 10
# set the LEFT edge
.L 10
# The menu Title
Sample Menu
# the options
option 1
option 2
option 3
option 4
option 5
option 6
EOF
`

echo "You have just chosen option $a"

Example 2

Contents of file menu2:

#! /bin/csh -f
set option = 0
set colors = (red green blue black white )
@ option = `color.select`

if ($option <= 5) then
     set color = $colors[$option]
     echo $color

endif
exit

Contents of file color.select:

#! /bin/csh -f
d.menu bcolor=red tcolor=green dcolor=yellow size=5 << EOF
.T 25
.L 25
Color Choices
Option 1
Option 2
Option 3
Option 4
Option 5
EOF

If the user runs menu2, a menu will be displayed on the graphics monitor that has red background, green text, with menu options divided by yellow lines, and a text size of 5% of the active display frame height. The mouse cursor will become active, allowing the user to select (by pointing with the mouse) one of the displayed menu options. Here, these menu options are called Option 1, Option 2, and Option 3, etc. The first line of text (here, the words Color Choices) contains the TITLE of the menu; this line is not a menu option that can be chosen by the user with the mouse. When the user presses one of the mouse buttons while pointing to the desired menu choice, the number of the option chosen will be available for capture by the shell script menu2. menu2 is a simple example that takes this information and only echoes it to the screen.

NOTES

SEE ALSO

AUTHOR

Last changed: $Date: 2011-11-08 03:29:50 -0800 (Tue, 08 Nov 2011) $

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