sets custom cursors

 

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Sets the cursor

on setCursor parameters      -------------------------------------------------------------   -------------------------------------------------------------      -- Loren Mork, Seattle, Wa, Lmork@aol.com   -- v 1.0   1998      -- SetCursor is a handler that sets the cursor of sprite for   -- any number of sprites or sprite ranges - it uses lists   -- and integers, seperated by commas, to designate the sprites.   -- The first value or list must contain the cursor you wish to use.   -- Input the first parameter / argument either as the   -- single number of a Director internal cursor, such as 260   -- (for the hand icon), or as a list of two numbers representing   -- membernums of a one bit image and it's mask  [ 16, 17],   -- ie: a custom cursor (see below)        -- Examples:      -- setCusor 260         -- shows where to place a single number -260- for   -- the cursor number (in this case the internal hand cursor).   -- NOTE:there must also be designated sprites to affect   -- or nothing will happen.(see below)      -- see bottom of this handler for a listing of internal cursors      -- setCursor [16,17]   -- shows where and how to place   -- the list of members used for a custom cursor   -- NOTE:there must also be designated sprites to affect   -- or nothing will happen.(see below)      -- After the cursor has been designated,  put in the sprites   -- you wish the cursor to affect   -- as either single integers seperated by commas, or   -- by lists containg two numbers   -- ie the bottom  of the sprite range you want selected,   -- and the top of that sprite range   -- or by a combination of both   -- there are no restrictions on the number of parameters / arguments.      -- setCursor 260, 3, 9, [23,35], 67, 90, [106,112]   -- the line above sets,to cursor 260 (the internal hand cursor), sprites 3,9,23-35,67,90,106-112      -- setCursor [16,17], [1,25], 36,[42,80],[105,116], 120   -- the line above sets,to a custom cursor using members [16,17],   -- sprites  1- 25, 36, 42-80, 105-116,120      -- Note that after setting the inital cursor number, you can list in as many sprites   -- or sprite ranges as you wish-   -- there is no preformatted restrictions on these parameters / arguments   -- but the first parameter / argument always has to designate the cursor   -------------------------------------------------------------   -------------------------------------------------------------      -- get the number of parameters / arguments that come after the handler name   -- and put in a variable      set tParamCount = the paramCount   -- defensive check to see if less than 2 parameters        if tParamcount < 2 then exit     -- the first parameter is always the cursor.   -- it can be passed as a list, ie [spritenum,spritenum] or [34,35]   -- or passed as a number contained on the tInternalCursorList      set tCursor   =  param(1)   -- list of internally available cursors      set tInternalCursorList = [0, 200,254,256,257,258,259,260,272,280,281,282,283,284,285,286,290,291,292,293,300,301,302,303,304]      -- defensive check to see if the first parameter is a list that has more than 2 numbers in it   -- if it does then  exit      if listp(tCursor) = 1 then     if count(tCursor) > 2 then exit   end if   -- defensive check to see if the first parameter is a list   -- if it is not then check to see if it is on tCursorList   -- if not on either then exit - it is not a valid cursor number   -- after this filter, the cursor of any sprite can be set to tCursor.   -- tCursor is ready-to-go.   -- Note - other cursor numbers can be added to tInternalList if neccesary      if listp (tCursor) = 0 then     if getPos (tInternalCursorList, tCursor) = 0 then exit   end if      -- start the repeat loop at the second parameter in the list   -- because number one is always the cursor as a list or integer   -- loop through all other parameters      repeat with currentparam = 2 to tParamCount          put param(currentparam) into tTempParam               if not listp(tTempParam) then       -- defensive check       -- if it is not a list it must be a single sprite number       -- if it is zero, then ignore it and get next number       if tTempParam = 0 then next repeat              set the cursor of sprite tTempParam = tCursor       next repeat         -- get the next value from the list            else       -- must be a list       -- get the two numbers off of the list              set tStartSprite =  getat (tTempParam , 1)       set tEndSprite   =  getat (tTempParam , 2)     end if          if tStartSprite > tEndSprite then       -- defensive check to see if the largest number came first              repeat with tSprite = tStartSprite down to tEndSprite         -- must be in wrong order, so adjust         set the cursor of sprite tSprite = tCursor       end repeat            else       -- correct order       repeat with tSprite = tStartSprite  to tEndSprite         set the cursor of sprite tSprite = tCursor       end repeat            end if   end repeat      -------------------------------------------------------------   -------------------------------------------------------------      -- custom cursor list   -- 0   - reset to normal- system default   -- -1  - arrow cursor   -- 1      - I-beam cursor   -- 2      - crosshair cursor   -- 3      - crossbar cursor   -- 4      - watch cursor   -- 200 - blank   -- 254 - help   -- 256 - pencil   -- 257 - erase   -- 258 - select   -- 259 - bucket   -- 260 - hand   -- 272 - lasso   -- 280 - finger   -- 281 - dropper   -- 282 - mouse up   -- 283 - mouse down   -- 284 - vertical stretcher   -- 285 - horizontal stretcher   -- 286 - corner stretcher   -- 290 - closed hand   -- 291 - no-drop closed hand   -- 292 - copy closed hand   -- 293 - mac inverse arrow   -- 300 - smear smotth brush   -- 301 - air brush   -- 302 - zoom in   -- 303 - zoom out   -- 304 - zoom cancel        -------------------------------------------------------------    end setCursor