REM >!RunImage REM (C) Martyn Fox REM shape drawing program REM based on Wimp shell program v0.01 version$="0.01 (date)" ON ERROR PROCclose:REPORT:PRINT" at line ";ERL:END SYS "Wimp_Initialise",200,&4B534154,"Shapes" TO ,task% PROCinit PROCcreateicon ON ERROR IF FNerror THEN PROCclose:END REPEAT PROCpoll UNTIL quit% PROCclose END : DEFPROCcreateicon REM creates the application's icon and puts it on the icon bar !b%=-1:b%!4=0:b%!8=0:b%!12=68:b%!16=68:b%!20=&3002 $(b%+24)="!shapes":SYS"Wimp_CreateIcon",,b% TO i% ENDPROC : DEFPROCclose REM tells the Wimp to quit the application SYS "Wimp_CloseDown",task%,&4B534154 ENDPROC : DEFPROCpoll REM main program Wimp polling loop SYS "Wimp_Poll",,b% TO r% CASE r% OF WHEN 1:PROCredraw(b%) WHEN 2:SYS "Wimp_OpenWindow",,b% WHEN 3:SYS "Wimp_CloseWindow",,b% WHEN 6:PROCmouseclick WHEN 8:PROCkeypress WHEN 9:PROCmenuclick WHEN 17,18:PROCreceive ENDCASE ENDPROC : DEFPROCmouseclick REM handles mouse clicks in response to Wimp_Poll reason code 6 REM b%!0=mousex,b%!4=mousey:b%!8=buttons:b%!12=window handle (-2 for icon bar):b%!16=icon handle CASE b%!12 OF WHEN -2:CASE b%!8 OF WHEN 2:PROCshowmenu(mainmenu%,!b%-64,96+2*44):REM replace '2' with number of main menu items WHEN 4:!b%=main%:SYS "Wimp_GetWindowState",,b%:b%!28=-1:SYS "Wimp_OpenWindow",,b% ENDCASE WHEN main%:PROCwindow_click WHEN options%:PROCopt_box(b%!8,b%!16) WHEN saveas%:PROCsavebox ENDCASE ENDPROC : DEFPROCget_origin(handle%,RETURN xorig%,RETURN yorig%) REM returns coordinates of window work area origin LOCAL c% c%=FNstack(36) !c%=handle% SYS "Wimp_GetWindowState",,c% xorig%=c%!4-c%!20:yorig%=c%!16-c%!24 PROCunstack(c%) ENDPROC : DEFFNstack(size%) REM allocates temporary memory from stack block REM stack must be cleared after use with PROCunstack IF stackptr%+size%>stackend% ERROR 1,"No room in stack" stackptr%+=size% =stackptr%-size% : DEFPROCunstack(old_ptr%) REM removes temporary memory from stack stackptr%=old_ptr% IF stackptr%"*" THEN !menspc%=0 writable%=FALSE ul%=INSTR(item$,"_") IF ul% THEN tail$=RIGHT$(item$,LEN(item$)-ul%) IF INSTR(tail$,"T") !menspc%=!menspc% OR 1:REM tick IF INSTR(tail$,"D") !menspc%=!menspc% OR 2:REM dotted line IF INSTR(tail$,"W") !menspc%=!menspc% OR 4:writable%=TRUE:READ buffer%:READ buflen%:REM writable icon IF INSTR(tail$,"M") !menspc%=!menspc% OR 8:REM generate message item$=LEFT$(item$,ul%-1) ENDIF IF LENitem$>width% width%=LENitem$ menspc%!4=-1:REM submenu ptr IF writable% THEN menspc%!8=&0700F121:menspc%!12=buffer%:menspc%!16=-1:menspc%!20=buflen%:$buffer%=item$ ELSE IF LENitem$<12 THEN menspc%!8=&07000021:$(menspc%+12)=item$ ELSE menspc%!8=&07000121:menspc%!12=ws%:menspc%!16=-1:menspc%!20=LENitem$+1 $ws%=item$:ws%+=LENitem$+1 ENDIF ENDIF menspc%+=24 ENDIF UNTIL item$="*" start%!16=width%*16+32 !(menspc%-24)=!(menspc%-24) OR &80 mptr%=menspc% =start% : DEFPROCload_templates REM opens window template file, loads and creates window SYS "Wimp_OpenTemplate",,".Templates" REM ****** load and create Info box ****** SYS "Wimp_LoadTemplate",,stack%,ws%,wsend%,-1,"progInfo",0 TO ,,ws% $stack%!(88+32*0+20)=version$ SYS "Wimp_CreateWindow",,stack% TO info% REM ****** load and create main window ****** SYS "Wimp_LoadTemplate",,stack%,ws%,wsend%,-1,"Main",0 TO ,,ws% SYS "Wimp_CreateWindow",,stack% TO main% REM ****** load and create Options dialogue box ****** SYS "Wimp_LoadTemplate",,stack%,ws%,wsend%,-1,"Options",0 TO ,,ws% SYS "Wimp_CreateWindow",,stack% TO options% REM ****** load and create Save box ****** SYS "Wimp_LoadTemplate",,stack%,ws%,wsend%,-1,"xfer_send",0 TO ,,ws% savestr%=!(stack%+88+32*2+20) SYS "Wimp_CreateWindow",,stack% TO saveas% REM ****** end of window creation ****** SYS "Wimp_CloseTemplate" ENDPROC : DEFPROCattach(menu%,item%,sub%) REM attach submenu or dialogue box to main menu !(menu%+28+item%*24+4)=sub% ENDPROC : DEFPROCinit REM initialisation before polling loop starts DIM b% 255,ws% 1023,menspc% 1023,stack% 1023,list% 1023 wsend%=ws%+1024:stackend%=stack%+1024:stackptr%=stack% quit%=FALSE !list%=-1 colsel%=7 PROCload_templates PROCmenus !b%=main%:SYS "Wimp_GetWindowState",,b%:SYS "Wimp_OpenWindow",,b% ENDPROC : DEFPROCreceive REM handles messages received from the Wimp with reason codes 17 or 18 CASE b%!16 OF WHEN 0:quit%=TRUE WHEN 2:PROCsave WHEN 3:PROCload ENDCASE ENDPROC : DEFPROCkeypress REM processes keypresses in response to Wimp_Poll reason code 8 IF b%!24=13 THEN ELSE SYS "Wimp_ProcessKey",b%!24 ENDIF ENDPROC : DEFPROCwindow_click REM handles mouse clicks on window REM b%!0=mousex,b%!4=mousey:b%!8=buttons:b%!12=window handle (-2 for icon bar):b%!16=icon handle CASE b%!8 OF WHEN 2:PROCshowmenu(wmenu%,!b%,b%!4) WHEN 1:PROCdelete_item WHEN 4:PROCadd_item ENDCASE ENDPROC : DEFPROCmenus REM create menus and attach submenus and dialogue boxes PROCmain_menu PROCattach(mainmenu%,0,info%) PROCwindow_menu PROCattach(wmenu%,0,options%) PROCattach(wmenu%,2,saveas%) $savestr%="ShapeFile" ENDPROC : DEFPROCshowmenu(menu%,x%,y%) REM opens menu at given coordinates topmenu%=menu%:topx%=x%:topy%=y% SYS "Wimp_CreateMenu",,menu%,x%,y% ENDPROC : DEFPROCmenuclick REM handles mouse clicks on menu in response to Wimp_Poll reason code 9 LOCAL c%,adj% c%=FNstack(20) SYS "Wimp_GetPointerInfo",,c% adj%=(c%!8 AND 1) SYS "Wimp_DecodeMenu",,topmenu%,b%,c% CASE $c% OF WHEN "Quit":quit%=TRUE WHEN "Clear":PROCclear WHEN "Save":PROCsave ENDCASE IF adj% PROCshowmenu(topmenu%,topx%,topy%) PROCunstack(c%) ENDPROC : DEFPROCmain_menu REM creates main menu, calling FNmake_menu RESTORE +1 DATA Shapes,Info,Quit,* mainmenu%=FNmake_menu ENDPROC : DEFPROCredraw(b%) REM redraws window contents LOCAL xorig%,yorig%,more% PROCget_origin(!b%,xorig%,yorig%) SYS "Wimp_RedrawWindow",,b% TO more% WHILE more% PROCdraw(b%,xorig%,yorig%) SYS "Wimp_GetRectangle",,b% TO more% ENDWHILE ENDPROC : DEFPROCdraw(b%,xorig%,yorig%) REM called when all or part of window needs redrawing REM xorig% and yorig% are coordinates of work area origin (top left-hand corner of window work area) REM b% points to block: REM b%!0 : window handle REM b%!4 : visible area minimum x coordinate REM b%!8 : visible area minimum y coordinate REM b%!12 : visible area maximum x coordinate REM b%!16 : visible area maximum y coordinate REM b%!20 : scroll x offset relative to work area origin REM b%!24 : scroll y offset relative to work area origin REM b%!28 : current graphics window minimum x coordinate REM b%!32 : current graphics window minimum y coordinate REM b%!36 : current graphics window maximum x coordinate REM b%!40 : current graphics window maximum y coordinate LOCAL coords%,colour%,plot% MOVE xorig%,yorig% coords%=list% WHILE !coords%<>-1 PROCplot_shape(!coords%,x%,y%,colour%,plot%) SYS "Wimp_SetColour",colour% PLOT plot%,xorig%+x%,yorig%-y% coords%+=4 ENDWHILE ENDPROC : DEFPROCplot_shape(word%,RETURN x%,RETURN y%,RETURN colour%,RETURN plot%) REM returns parameters of object to be plotted, decoded from word% x%=(word% AND &3FF)*4:y%=(word%>>12) AND &FFC colour%=(word%>>10) AND &F plot%=(word%>>24) AND &FF ENDPROC : DEFPROCwindow_menu RESTORE +1 DATA Shapes,Options,Clear,Save,* wmenu%=FNmake_menu ENDPROC : DEFFNicon_state(window%,icon%) LOCAL c% c%=FNstack(40) !c%=window% c%!4=icon% SYS "Wimp_GetIconState",,c% PROCunstack(c%) =((c%!24) AND (1<<21))<>0 : DEFPROCadd_item x%=!b%:y%=b%!4 PROCget_origin(main%,xorig%,yorig%) coords%=FNend IF coords%-1 n%+=4 ENDWHILE =n% : DEFPROCforce_redraw(window%) LOCAL c% c%=FNstack(36) !c%=window% SYS "Wimp_GetWindowState",,c% SYS "Wimp_ForceRedraw",-1,c%!4,c%!8,c%!12,c%!16 PROCunstack(c%) ENDPROC : DEFPROCdelete_item coords%=FNend IF coords%>list% coords%-=4:!coords%=-1 ELSE VDU 7 PROCforce_redraw(main%) ENDPROC : DEFPROCopt_box(button%,icon%) CASE icon% OF WHEN 0,1,2,3: WHEN 5: !b%=options%:b%!4=4 SYS "Wimp_GetIconState",,b% colsel%=(b%!24)>>28 IF button%=4 SYS "Wimp_CreateMenu",,-1 OTHERWISE !b%=options%:b%!4=icon% SYS "Wimp_GetIconState",,b% b%!4=4:b%!8=(b%!24) AND &F<<28:b%!12=&F<<28 SYS "Wimp_SetIconState",,b% ENDCASE ENDPROC : DEFPROCclear !list%=-1 PROCforce_redraw(main%) ENDPROC : DEFFNerror !b%=ERR CASE !b% OF WHEN 1<<30:err_str$="":box%=3 OTHERWISE:err_str$=" at line "+STR$ERL:box%=2 ENDCASE $(b%+4)=REPORT$+err_str$+CHR$0 SYS "Wimp_ReportError",b%,box%,"Shapes" TO ,response% =(response%=2) : DEFPROCload IF b%!40<>&012 ERROR 1<<30,"Filetype not recognised" PROCterm(b%+44) SYS "XOS_CLI","LOAD "+$(b%+44)+" "+STR$~list% TO err%;flags% IF (flags% AND 1)<>0 !err%=1<<30:SYS "OS_GenerateError",err% b%!12=b%!8 b%!16=4:REM Message_DataLoadAck SYS "Wimp_SendMessage",17,b%,b%!4 $savestr%=$(b%+44) !b%=main% SYS "Wimp_GetWindowState",,b% IF ((b%!32) AND 1<<16)=0 THEN SYS "Wimp_OpenWindow",,b% ELSE PROCforce_redraw(main%) ENDIF ENDPROC : DEFPROCterm(a%) LOCAL n% WHILE a%?n%>31 n%+=1 ENDWHILE a%?n%=13 ENDPROC : DEFPROCsavebox CASE b%!16 OF WHEN 1:IF b%!8=16 OR b%!8=64 THEN PROCdrag(b%!12,1) ENDCASE ENDPROC : DEFPROCdrag(window%,icon%) LOCAL c% c%=FNstack(56) PROCget_origin(window%,xorig%,yorig%) !c%=window%:c%!4=icon% SYS "Wimp_GetIconState",,c% xmin%=xorig%+c%!8:ymin%=yorig%+c%!12:xmax%=xorig%+c%!16:ymax%=yorig%+c%!20 c%!4=5:REM drag type c%!8=xmin%:REM coordinates of drag box c%!12=ymin% c%!16=xmax% c%!20=ymax% c%!24=0:REM screen min x c%!28=0:REM screen min y c%!32=4096:REM screen max x c%!36=3072:REM screen max y SYS "Wimp_DragBox",,c% PROCunstack(c%) ENDPROC :