HP OpenVMS Systems Documentation
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DECwindows Motif for OpenVMS Guide to Non-C Bindings
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DRAW POINTS

OpenVMS Format

X$DRAW_POINTS

(display, drawable_id, gc_id, points, num_points, point_mode)

Argument Information
Argument Usage Data Type Access Mechanism
display identifier uns longword read reference
drawable_id identifier uns longword read reference
gc_id identifier uns longword read reference
points array x$point read reference
num_points longword longword read reference
point_mode longword longword read reference

Arguments

point_mode

The coordinate mode of the points. The coordinates of the points can be relative to the drawable origin or relative to the previous point. The predefined values for point_mode are as follows:
X$C_COORD_MODE_ORIGIN
X$C_COORD_MODE_PREVIOUS
Other values specified in this argument are not valid.

DRAW RECTANGLE

OpenVMS Format

X$DRAW_RECTANGLE

(display, drawable_id, gc_id, x_coord, y_coord, width, height)

Argument Information
Argument Usage Data Type Access Mechanism
display identifier uns longword read reference
drawable_id identifier uns longword read reference
gc_id identifier uns longword read reference
x_coord longword longword read reference
y_coord longword longword read reference
width longword uns longword read reference
height longword uns longword read reference

Note
The X Protocol defines that only the least significant 16 bits of the following longword arguments are transmitted to the server: x_coord, y_coord, width, height.

DRAW RECTANGLES

OpenVMS Format

X$DRAW_RECTANGLES

(display, drawable_id, gc_id, rectangles, num_rectangles)

Argument Information
Argument Usage Data Type Access Mechanism
display identifier uns longword read reference
drawable_id identifier uns longword read reference
gc_id identifier uns longword read reference
rectangles array x$rectangle read reference
num_rectangles longword longword read reference

DRAW SEGMENTS

OpenVMS Format

X$DRAW_SEGMENTS

(display, drawable_id, gc_id, segments, num_segments)

Argument Information
Argument Usage Data Type Access Mechanism
display identifier uns longword read reference
drawable_id identifier uns longword read reference
gc_id identifier uns longword read reference
segments array x$segment read reference
num_segments longword longword read reference

DRAW STRING

OpenVMS Format

X$DRAW_STRING

(display, drawable_id, gc_id, x_coord, y_coord, string)

Argument Information
Argument Usage Data Type Access Mechanism
display identifier uns longword read reference
drawable_id identifier uns longword read reference
gc_id identifier uns longword read reference
x_coord longword longword read reference
y_coord longword longword read reference
string char_string character string read descriptor

Note
The X Protocol defines that only the least significant 16 bits of the following longword arguments are transmitted to the server: x_coord, y_coord.

DRAW STRING 16

OpenVMS Format

X$DRAW_STRING_16

(display, drawable_id, gc_id, x_coord, y_coord, string16, length)

Argument Information
Argument Usage Data Type Access Mechanism
display identifier uns longword read reference
drawable_id identifier uns longword read reference
gc_id identifier uns longword read reference
x_coord longword longword read reference
y_coord longword longword read reference
string16 array word read reference
length word word read reference

Note
The X Protocol defines that only the least significant 16 bits of the following longword arguments are transmitted to the server: x_coord, y_coord.

DRAW TEXT

OpenVMS Format

X$DRAW_TEXT

(display, drawable_id, gc_id, x_coord, y_coord, items, num_items)

Argument Information
Argument Usage Data Type Access Mechanism
display identifier uns longword read reference
drawable_id identifier uns longword read reference
gc_id identifier uns longword read reference
x_coord longword longword read reference
y_coord longword longword read reference
items array vector_longword read reference
num_items longword longword read reference

Note
The X Protocol defines that only the least significant 16 bits of the following longword arguments are transmitted to the server: x_coord, y_coord.

DRAW TEXT 16

OpenVMS Format

X$DRAW_TEXT_16

(display, drawable_id, gc_id, x_coord, y_coord, items16, num_items)

Argument Information
Argument Usage Data Type Access Mechanism
display identifier uns longword read reference
drawable_id identifier uns longword read reference
gc_id identifier uns longword read reference
x_coord longword longword read reference
y_coord longword longword read reference
items16 array vector_longword read reference
num_items longword longword read reference

Note
The X Protocol defines that only the least significant 16 bits of the following longword arguments are transmitted to the server: x_coord, y_coord.

EMPTY REGION

OpenVMS Format

answer_return = X$EMPTY_REGION

(region_id)

Argument Information
Argument Usage Data Type Access Mechanism
answer_return longword longword write value
region_id identifier uns longword read reference

ENABLE ACCESS CONTROL

OpenVMS Format

X$ENABLE_ACCESS_CONTROL

(display)

Argument Information
Argument Usage Data Type Access Mechanism
display identifier uns longword read reference

EQUAL REGION

OpenVMS Format

answer_return = X$EQUAL_REGION

(region1_id, region2_id)

Argument Information
Argument Usage Data Type Access Mechanism
answer_return longword longword write value
region1_id identifier uns longword read reference
region2_id identifier uns longword read reference

EVENT MASK OF SCREEN

OpenVMS Format

mask_return = X$EVENT_MASK_OF_SCREEN

(screen_id)

Argument Information
Argument Usage Data Type Access Mechanism
mask_return longword longword write value
screen_id identifier uns longword read reference

EVENTS QUEUED

OpenVMS Format

count = X$EVENTS_QUEUED

(display, mode)

Argument Information
Argument Usage Data Type Access Mechanism
count longword longword write value
display identifier uns longword read reference
mode longword longword read reference

Arguments

mode

The mode by which you return the number of queued events. The predefined values for mode are as follows:
X$C_QUEUED_ALREADY
X$C_QUEUED_AFTER_FLUSH
X$C_QUEUED_AFTER_READING

FETCH BUFFER

OpenVMS Format

status_return = X$FETCH_BUFFER

(display, num_bytes_return, num_buffer, buff_addr_return)

Argument Information
Argument Usage Data Type Access Mechanism
status_return cond_value uns longword write value
display identifier uns longword read reference
num_bytes_return longword longword write reference
num_buffer longword longword read reference
buff_addr_return longword longword write value

Returns

status_return

Specifies whether the routine completed successfully. This routine returns one of the following values:
Value Description
SS$_NORMAL Routine completed successfully.
X$_INVBUFFER Invalid buffer.
X$_ERRORREPLY Error received from server.
X$_INSFMEM Insufficient virtual memory.
0 No data in the buffer.

Arguments

buff_addr_return

The address of the stream of bytes.

FETCH BYTES

OpenVMS Format

buff_addr_return = X$FETCH_BYTES

(display, num_bytes_return)

Argument Information
Argument Usage Data Type Access Mechanism
buff_addr_return longword longword write value
display identifier uns longword read reference
num_bytes_return longword longword write reference

Returns

buff_addr_return

The address of a stream of bytes stored in cut buffer zero.

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