2-2SectionAreas for Control/Notification
67
Reference:  Local window can be also opened, closed or moved by the operation of touch
switch (page 308, 308). In addition, by setting the attribute of the screen (base
screen) to be displayed, local window pops up at the same time the screen is
displayed (refer to page 45).
 Global window can be controlled only by writing to the window control area
from the host.
 Window position (coordinate) can be specified by 20 dot unit. (Y coordinate =
multiple of 20-1, because of the bottom-left coordinate specification)
Window can not be controlled and the contents of the window remains un-
changed when the number other than multiple of 20 is specified for X coordi-
nate or when the number other than multiple of 20-1 is specified for Y coordi-
nate.
However, when opening a new window, the window is displayed at the position
that was specified when the window screen was created using the Support
Tool.
If the PT is currently operating, the status of the window is always written to the
window control area. The contents of the window control area depends on the
window type (global window/local window) and the circumstances as follows:
When the Window Is Opened by Touch Switch Operation (Local Window
Only)
A window screen that is set for a touch switch pops up at the position that was
specified when the window was created using the Support Tool. At this time, the
status of the window is written to the screen No.. X coordinate and Y coordinate
of window control area (corresponding window type).
When the Window Is Closed by Touch Switch Operation (Local Window
Only)
The screen No.. X coordinate and Y coordinate of window control area (corre-
sponding window type) are all cleared to 0.
When the Window Screen No. Is Specified for Screen No. of Window Con-
trol Area
The specified window is opened as the corresponding window type. The window
position follows the contents of X coordinate and Y coordinate of window control
area. However, in the following cases, the window is opened at the position that
was specified when the window was created using the Support Tool. (Window
move operation is not performed and the X, Y coordinates return to the existing
value when the incorrect X coordinate and Y coordinate are specified without
changing the screen No..)
• When the contents of X coordinate is not multiple of 20, or when the contents of
Y coordinate is not multiple of 20-1
• When the window will extend out of the screen with the specified value (for ex-
ample, when an NT31/NT31C is being used and an X coordinate of 300 and a
Y coordinate of 199 are specified for a window screen of 100100 dots).
When 0 Is Written to the Screen No. of Window Control Area
Window of the corresponding type is closed. The contents of X coordinate and Y
coordinate is retained.
When the Screen Is Switched to the Other While the Window Is Being Dis-
played (Other Than System Screen)
The behavior depends on the screen type as shown below. (Even when the glob-
al window and the local window were displayed before screen switching, the
each screen also behaves as the table below.)
Functions of the Window
Control Area
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