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GridSetPosition.pprx
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1993-08-07
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/* This Genie sets up a grid to a user-defined position (rather than size), with snap enabled.
Written by Don Cox ⌐ Feb 93. Mods Aug 93. Not public domain but freely usable for non-commercial purposes. */
signal on error
signal on syntax
address command
call SafeEndEdit.rexx()
call ppm_AutoUpdate(0)
cr="0a"x
currentunits = ppm_GetUnits()
gsize = ppm_GetGridSize()
gwidth = word(gsize,1)
gheight = word(gsize,2)
call ppm_SaveText("ram:gridsize",gsize)
form = "From Left"cr"From Top"
form = ppm_GetForm("Type Left or Top position",8,form)
if form = "" then exit_msg("No position set")
parse var form xpos "0a"x ypos
if xpos>=4 then do
xnum = xpos%2.0
xspacing = xpos/xnum
end
else if xpos>=2 then xspacing = xpos/2
else xspacing = xpos
if ypos>2 then do
ynum = ypos%2.0
yspacing = ypos/ynum
end
else if ypos>=2 then yspacing = ypos/2
else yspacing = ypos
select
when xpos = 0 | xpos = "" then call ppm_SetGridSize(0.01,yspacing)
when ypos = 0 | ypos = "" then call ppm_SetGridSize(xspacing,0.01)
otherwise call ppm_SetGridSize(xspacing,yspacing)
end
call ppm_SetGrid(1)
call ppm_SetGridSnap(1)
call exit_msg()
end
error:
syntax:
do
exit_msg("Genie failed due to error: "errortext(rc))
end
exit_msg:
do
parse arg message
if message ~= "" then
call ppm_Inform(1,message)
call ppm_ClearStatus()
call ppm_AutoUpdate(1)
exit
end