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% SCCSid "$SunId$ LBL" |
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% By Isaac Kuo |
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#include "newsconstants.h" |
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greg |
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cdef cps_clear() |
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textbackground setcolor clippath fill |
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cdef initcanvas(x,y,width,height,mb1key,mb2key,mb3key) |
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% a couple of definitions of commands in Sun NeWS but not in |
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% SiliconGraphics NeWS |
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currentdict /createcanvas known not % check if they're defined or not |
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{ |
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/createcanvas |
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{ |
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3 2 roll newcanvas /newcan exch def |
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0 0 4 2 roll newpath rectpath |
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newcan reshapecanvas newpath |
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newcan |
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} def |
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/mapcanvas |
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{ |
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/Mapped true put |
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} def |
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} if |
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% terrific, wasn't it? |
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/Can framebuffer width height createcanvas def |
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Can /Retained true put |
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Can setcanvas x y movecanvas currentcanvas mapcanvas |
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clippath pathbbox pop pop translate |
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1.0 .75 .3 setrgbcolor clippath fill |
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/scrollheight textareaheight fontheight sub def |
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thefont findfont fontheight scalefont setfont |
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/textbackground textbackgroundRED textbackgroundGREEN |
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textbackgroundBLUE rgbcolor def |
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/MB1key mb1key def |
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/MB2key mb2key def |
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/MB3key mb3key def |
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% scroll scrolls the text area |
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/scroll |
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{ |
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newpath |
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0 0 width scrollheight points2rect rectpath |
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0 fontheight copyarea % Scroll the text area |
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newpath textbackground setcolor |
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0 0 width fontheight points2rect rectpath |
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fill |
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/textcursorposition 0 def |
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} def |
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scroll scroll |
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% myshow takes a string and prints it at the current cursor location |
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/myshow |
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{ |
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textshadowgray setgray |
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textcursorposition 1 sub textbottom 1 sub moveto dup show |
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0 setgray |
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textcursorposition textbottom moveto show |
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/textcursorposition currentpoint pop def |
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} def |
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% mydel takes a string and deletes it from the current cursor location |
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/mydel |
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{ |
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textbackground setcolor |
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dup stringwidth pop textcursorposition exch sub |
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dup /textcursorposition exch def |
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1 sub textbottom 1 sub moveto dup show textcursorposition % |
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textbottom moveto show |
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} def |
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/normalcursor |
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{ |
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/xcurs /xcurs_m Can setstandardcursor |
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} def |
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normalcursor |
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% get this canvas ready for input |
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/buttonevent createevent def |
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buttonevent /Name [/LeftMouseButton /MiddleMouseButton /RightMouseButton] put |
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buttonevent /Action /UpTransition put |
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buttonevent /Canvas Can put |
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/keyevent Can addkbdinterests aload /EVENTS exch |
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def revokeinterest revokeinterest def |
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/dumevent createevent def % dumevent is used by the input checker |
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dumevent /Name 32 put % to insure awaitevent returns an answer |
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dumevent /Action 13 put % immediately; if it is the first one |
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dumevent /Canvas Can put % returned, then no keyboard events |
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dumevent expressinterest % were waiting. |
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/kdevent createevent def % kdevent is used by the input checker |
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kdevent /Action 666 put % to replace waiting keyboard events with |
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kdevent /Canvas Can put % something which acts interchangably with |
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kdevent expressinterest % a normal keyboard event. |
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greg |
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cdef box(x1,y1,x2,y2,r,g,b) |
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% Draw a filled box at x,y in pixels with color r,g,b |
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r 500 div g 500 div b 500 div setrgbcolor newpath |
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x1 y1 x2 y2 points2rect rectpath fill |
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#define tag 1990 |
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cdef cps_cleanup() => tag() |
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% Clean up just enough stuff so the window will die quietly |
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keyevent revokeinterest |
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kdevent revokeinterest |
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EVENTS Can revokekbdinterests |
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dumevent revokeinterest |
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/Can currentcanvas def |
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Can /EventsConsumed /NoEvents put |
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Can /Transparent true put |
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Can /Mapped false put |
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Can /Retained false put |
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tag tagprint |
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cdef getthebox(X,Y,W,H) => tag(X,Y,W,H) |
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% Get the coordinates of the box from the user |
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greg |
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% While Sun NeWS coordinates default to pixels, Silicon Graphics NeWS |
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% defaults to "points", which are 4/3 the size of pixels in both directions. |
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% Silicon Graphics NeWS does not have "createcanvas" defined, so it is |
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% used to determine whether the coordinates should be translated. |
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currentcanvas createoverlay setcanvas |
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currentdict /SGIWindow known |
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greg |
1.2 |
{ |
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.75 .75 scale |
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} if |
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getwholerect waitprocess |
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greg |
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aload pop /y1 exch def /x1 exch def /y0 exch def /x0 exch def |
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x0 x1 gt { /x x1 def /w x0 x1 sub def } |
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{ /x x0 def /w x1 x0 sub def } ifelse |
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y0 y1 gt { /y y1 def /h y0 y1 sub def } |
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{ /y y0 def /h y1 y0 sub def } ifelse |
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h w y x tag tagprint typedprint typedprint typedprint typedprint |
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greg |
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cdef sgicheck(V) => tag(V) |
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% Check if this is viewed on an SGI screen |
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0 |
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currentdict /SGIWindow known |
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{ |
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pop 100 |
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} if |
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tag tagprint typedprint |
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greg |
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cdef printout(string message) |
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% print message without scrolling the text "window" up |
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message myshow |
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cdef linefeed(string message) |
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% print message and scroll |
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message myshow scroll |
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cdef getclick(x,y,key) => tag(key,y,x) |
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% get a cursor position marked by click or key |
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buttonevent expressinterest |
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/beye_m /xhair_m Can setstandardcursor |
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/theclick awaitevent def |
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currentcursorlocation textareaheight sub |
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normalcursor |
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buttonevent revokeinterest |
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theclick /Name get |
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% Translate mouse clicks if necessary |
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dup /LeftMouseButton eq |
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{pop MB1key} if |
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dup /MiddleMouseButton eq |
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{pop MB2key} if |
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dup /RightMouseButton eq |
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{pop MB3key} if |
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cvi |
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tag tagprint typedprint typedprint typedprint |
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cdef isready(keyread) => tag(keyread) |
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% tells whether character input is ready |
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0 % default output |
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dumevent createevent copy sendevent |
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{ |
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/theevent awaitevent def |
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theevent /Action get 13 eq |
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{ exit } if |
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pop 1 |
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/newevent kdevent createevent copy def |
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newevent /Name theevent /Name get put |
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newevent sendevent |
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} loop |
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tag tagprint typedprint |
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cdef startcomin() |
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% get ready for execution of comin |
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/nouse /nouse_m Can setstandardcursor |
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cdef endcomin() |
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% get ready for normal execution |
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normalcursor |
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cdef getkey(key) => tag(key) |
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% get a keypress |
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textcursor myshow awaitevent /Name get cvi |
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textcursor mydel tag tagprint typedprint |
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cdef delete(string s) |
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% delete the string s |
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s mydel |
