ࡱ> }~F_?bؙ iԌV JFIF``C    #%$""!&+7/&)4)!"0A149;>>>%.DIC;C  ;("(;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;"9!1AQa"24Rq#3BbrFds/!1AQ"2aqR ?0'u ^&C/!Oڊ|}}-x\UIv߱^|qs~3pƕK~Nn'>19kǏwFyVJĝjp_Zh2Ij"ǶR]8=IviSJYf@qz;G\cdT7))E~h\OMy6dM -W.딻i7qpϜ㛷N>Iw}8RL,ƞ"p4dxQht{l')+9m-)BM$ E^3_v鰕RvNY)F_ܿRzN w3GOpzDTel'6roN.Oןm'=eOS.c8=|liKЌw;,)6/QīIQuVYaڏt߄}3W:f/P2yT)yJI5<62kWeǹ̲9G#*zN-yŒ > :fO>z* wle)q7:_fS8}cf;=\%-ZlOgUONo>[!#=xߊwԿ?`\gQԖ&Ư0xɴS5U#kf~|73>ޯ?xJ }UO} x/rn*ry?$[G.2ؕq]șx,2OUus0UTJݺ|5˶|*7E4ܤҮPIrZ׍˒af['> ,i֛v)u}I wSeю-FQvI"ݝ\ޗduO}%2.\-'9:=|sgt:EbUN-6u%a._ο6>,eMyYjƷsj7ǍuFV}8MB&> ɤM ޣո\,]K&5ԓIFRݐ]?c;LajǶ)|SnFS|zLӘ/fB82ⲔmEM-v;y}Gd`SK쬦8qwS21띗F,e?=>/km)4Uo} T+egޥ4kKGˮ ş5w˓yK>оftqqpvCkKOSN/^okZgo:__7jֺVmV]+79|dvOc'2ߋ}w4ljQki% @86OEfif{r6qdЍ)+{m7 ,sDC}ޟ,f=(ݓ̏SX]юC'&p,B:cr6X} Ne҄wA*8wkdVU_"vHf?1Mz!ln: (OhLpvENMJ2[M|3[w(ꮭ[,E)v%)8?t.u\8dԞjQ~w-8̦xE˶g묎dg[ȄžW+v֒s[6zѲ=^qhͩqqz>OxЮGӜ jP. ǶCԸ=ē>Q87⟇?~o2Aogu+J5v䧸m֗ۿG%:t1ܹST/o[b^qi|?-e?o/'Ϛ>31~ O%Bo~$7_}wl(s^4ָJ}}Mi7!Iu ,jzDzQrI&ԓz;_8u ~tcʩ;8o$}vM^LrYo~!8sz='k&_9όvW#R̶lNJz^yn]KUY^ c_Uq%u-슊B+l11B3XU陕&xSݞ馾S>WW4Ȳ)Q)z{ononM}֋ʢ rJ2_)'6uͫ+*94YJEmz.Mm>}_ܛ˓?~z'RU}KoJ\務L 긵/WLo}ppTӏÄbn-=֞_\#&֚knNO''*[ͅxyy5?Ezs~ɭO|_uw^y{?~nyTƺK|'S[M) "Q.6jUK򟷷'=WLEa)UvTTR4mഒ\x.˷[Z}m>߾[~m5ӧ?/]0Yd\b' =w[ﵷ[ҔPetJ/*]eH[Nf_GmЭ'6(.ײ_+ź>Lo?͇IŅ:i9F2z_];cL8ϝ2Ԛ򞶟iG;gzliǥUnR_(J/rz%;=%?ďnn.OM}zj5KU2q|{zi6i9e۾Lo%Xc xQuxtznT'4ߩ´=9L .7T7ةuK2K92n]HxGd)´6Q5zE[o~" -X/Jq*FSLеbH-FK9 l2^CeJTrek><45DY\?qg-!lgkE 2Y7$Ȯ}V}c7Jf%:u!l%x`#tkd{Ƿo*JUSqqz)OO\='zFWUȝS K[)qM{OX ˲'ӺM鱌[NS4V%^Y\Oduq[? +߾_O>.Onu=+okwS2^ORŒ95KLӰ]So};3E1KxMA)٧Im&z,_g,ܸMA6-*|^޻~/mz\\պlN(TkIߓoTl`snE(,l{cu%>O^vucņ>.\V:V ]7cUE*JPr}%lF`"UɵŐ(RXłk_Wij)^"䢚(Xj"52h;YO"h~Kk4_~ωfnw1e5˦`3yv)]65uzlPdq@G=DD-":n}JN 6|w[/^&j^ WU 0dȳ`] [oI'*[\5W쌷7VvzN:>˔),ܫrT1VJ\_4bRI-$U.9f ZpMUE{5ߎ)r~9yn4Z9kq2~|877eǞ3v')d[.r+N94[Ў&_ L8->"7'!rv"Bޢ=P'2KVx;)O[,\QC*|MSyCZs:㢮wܣ"y6s%չG;"|ajx_ź)#%/LgJ&Gz$"l0bRJ\VW'"(Y'?qj8ߔ){(lW"'I2Xc &ų=D[,Kg>fWZ\ݲ}ep{kI=OIXWMxjE.ēAī ʱzz*й3X1Jt,ZZZ#tJ^8*2IEޔ7ZM/r^Ou\g:+r8uп99yܦb1fW+^a0&tplaed#-.tCZ`1X԰} 7_ҢN"oE:t_yYq?-g@ydV_.'i*aE"3Jwe)vK#uV/Emǖ:߰nQ{D9-dfA@[jUw$PZ,_wEc|o9%ǧc&ȹL}l+ ȿ{'+UE^Rjȟzٖ{z8YJcsIśa֞BSO|c6SR*ctɥߍJ/3d?/ӓ<ޟ8dj1G*BIR̭,Nvz$oc|+ȍ exᔷq.{+ٓrZlVGh5uCe|u\˃/ˑG""[s6ȷlڊB/a7Rc-~'(E݋y8e*$x)GeNJ&E93"%a J#()v"E֎ERqel)ɆcfIbuus>6R޻=W+eIx%GZ<-9.Gqǟ>>K{74yK^~n h~kc242U{pbcЁk9\N/BU4^UZ׺6:ZPHĒ'L|qts`z9)]w?b;'䚄\Ds|n=t+r+s&U90I5B3OJO!ZDdyn '$e{߂ѫ~BW>1p-S&+^j_, dkf@Å߸.o˖5M~9I)E<']ﶽI֞򼪚ђ՟WO~Ic7RL{O/Sw)pкd7Ef2Wּduu$oGU)DZlp/KvfW_Ժ$sshkfw7RdddҺ'kXn54RK]yaǏ7 \M=n(7"e㧑^V@z5H'2Z&&*% r62)I4SW̮o[Aoɲ߻7&K؋D H$XSF]ׄWZFIyF%bdm ~ 9 =ݯrQF{[c'U2uđ9֥/b%ٓ6E8geWqDw)ܜV+?VV ա+ fwG^ v؅Ư[],jᖔW%W9'k+J-2+E5KBۛ4mlqkfUmof4oXc!`M:\Hcl3~MA"7/zhGiMڗ,]dM"{[1C ;O we_,8fU\Φ/HzeN|N($_>^~^0VōI'^Pg@GW+kFHggzli 0dK"Z96ߓu\SmohDrFFV7UUD5~J;`+%"Z+vޤC 7[i3irT~ 吿6cLvE{ף)Y3iϹ wiy%JZ3őX#DN&v5%9~Hɾ73<07!v'f&޼J<ބBLErx (K]{/eG6X6KE-2֩2Kr= z /僟(q5w-r#V"e39y #+[MoεOpG iܧZ) -ӷ_,ͯ&^Wo%wf?vZ#j\ն8n&X߂+.SX߃?m.$dwUT^7l8m V˛+sp~BEax&ƫhCP/2[z -T%4[цK,,,e1/UWĮZE%r k䊕~lYB{fj!}di,V0I?,v&+S_ɝ/ȳ-K[)6jloMSC^4+e~Z&.|_乏F^A<~Enj4Ry3Z-zWcOO d)g"*Z:sE-g%Iy4Eq"YQ^YV$Q̈́S#dK94K\].\wRuM^w)ّeϹqk -vdg_Ҟ: {ǥJ[/]٥ Zٰ{^0i/ع%9ە&F2%HMީd׍bI}a Wx k,{O"<"~DV0ǺknN޶iIl{r}"{xi^.ıح-ct+\lj,/e@}UX;$:6^qJ`Ʃh=6;"[-;Y](cM~/ZG&KD}u4FosgOj|jw ͏Pg2w=_ߎ\8bjjZ 5~ZE2oDSȄ9$4'"|Ll!'Z[5P-WRKmm}}21)O=3ϻ.EJ>;ZzٮFK*1捖Qf1!+Er\V3\_zxܵd-g*Qict[dL9L|Wr:^&sr:]VkSvu?מ=jfEG2_Z8eLWoY5j1`dYŔo>Kz9 Ii+/o!Uy&-C)oťs+qF8?6k??lFʨ_ H6TnyM{XTC^Pu|+'eXv0a4(ŁoٛW97ƄɣBD\<ʾFT4nSb(ԢGtIo~Ihu~֧bIC_ fU!ٿF[BM{jVMv:8ɭ8ɭ!/` 9?ޑ29i=_'փ减)Ų z{+/}c7Ao.oykG[z#Iy6rwsz;89sӧd>>v,0̘;7ŜTOTt+G]G+v!vKnɧ2pg=I7V{`דeU_'.&Y^L4_e%6[%G5yEN¿~M]v_&8UPw?{(8կ'3ְϫa=[ #6mܙ41o= n]њ-CK[DFHY ZFc~q1{k -0 '26KySJr~ ޶unR PZ6]7&L͖] ج[F84u>Z5o/u[ f,lDvG? 3)K5OݑҫME^Ejsr}{Ujf9FV/bUbYh-q_Kலwl`Dٲhoa?Oح<};X9so؍H|!}J8e/ɏ츯c'Q&gduG!a3eίo6r6XvCP3L OghѬctQ5]@lj׹:+{ԽQLu߭+UrF:tOh4?Ir Fy{a" } ^%Y)1>x2nN><t'߹iOUN2qZ%n{yc4=;"??OgWWټi3{E|쉝vo.8q=T?v4Ǭ/-Eȋr}:vbɭ5&wGj.ğc^poO<Ǜq&˕q75ywXBxAEk2 IHuNTgY\=5%鑪GCmhoFr%)U6Wܯi k'^/QtVo~Nn샥ߑߓvAɟ&x:?9G&>s샥{90; }~Ni{"?~L :?>s4gtc'=Cd~÷<</bE#kȶI]{)ؚzkzeE.t)FB׹uWV^y:)kewZcaw)`4iE-GDe2~"ݿy-|!k;ce_k;3:f'&93>~|LEhgŝ?_;zoϥc}㚨߱qt9Dw+~ċ|z6֊OWױpEUcxѢpFWdl(  / 0|DTimes New Roman@b@bLb0pbpb 0DArial Blackman@b@bLb0pbpb 0" DTahomalackman@b@bLb0pbpb 0"0DMonotype Sorts@b@bLb0pbpb 0@DArialpe Sorts@b@bLb0pbpb 0"  @n?" dd@  @@`` `Y@   $%'(*+,.0/X$zR$bؙ iԌV g?zc $ @8> g4JdJd|b 0tb ppp@ g4KdKd|b 0tb p@ pp<4BdBdv@b ?T+ @Tim Margush, University of AkronOl;ST: Java @Tim Margush, University of AkronCup 6: AWT Event HandlingSpecial Topics: JavaGEvent Handling Process>Operating System monitors keystrokes, mouse actions, and other events events are sent to the program that owns the window in which the event occurred Events in Java programs cause calls to the AWT library routines which create Event objects These objects are then passed to methods in your program to handle the eventsFFPFOzH ListenersObjects that must respond to events generally register one or more listeners An add_X_Listener method does this Components can handle their own events6M#'M#' A Listener is simply a class that implements certain methods The methods are defined in an interface Listeners extend java.util.EventListener$v>v I Event ClassesLow-Level Events keyboard, mouse, window actions Semantic Events component-related (button click, scrollbar adjustment, menu operation) Some system events cause multiple Java events click button - causes both types of eventsl G.+ G.+JLow-Level Event ClassestFocusEvent occurs when a component gets or loses the focus MouseEvent movement of the mouse or pressing mouse buttonH 0 / 0 /$ 0 / |KeyEvent keyboard WindowEvent activating, deactivating, closing, iconifying, etc. related to Window objects (and subclasses)H  _ _6  # 2KEvent Hierarchyjava.util.EventObject java.awt.AWTEvent java.awt.event.ComponentEvent All events are subclassed from ComponentEvent and are located in the java.awt.event package All events inherit getSource() from the top levelH  " LLow-Level ListenersAll listeners are in java.awt.event There are Listener classes for each event type WindowListener MouseListener MouseMotionListener KeyListener FocusListener$SKSK>6JMAdapter ClassesA class that implements all the methods of a Listener interface with empty bodies By subclassing, you need only override methods you need to implementU 7 There are adapter classes for all of the low-level listener interfaces FocusAdapter MouseAdapter WindowAdapter MouseMotionAdapter KeyAdapter$GGGGGFNSemantic Event ClassesZActionEvent Button, List, MenuItem TextEvent TextArea, TextField AdjustmentEvent Scrollbarl      6  /ItemEvent Checkbox CheckboxMenuItem Choice List$ & &$   O Semantic ListenersEach semantic event has a corresponding Listener interface ActionListener ItemListener TextListener AdjustmentListener Each of these listener interfaces has only one method to be implemented6;<H;<H;<H/   ` ^WN̙f` ^WNff3` 999MMM` ^WNf` ff33` ff33` ^WN̙f>?" dd@(?zdd@ y x@" `  n?" dd@   @@``@n?" dd@  @@``PR   @ ` ` p>> ]U(    C XA@C:\WINDOWS\DESKTOP\JavaBack.jpg  s *!v 0` v T Click to edit Master title style! !   c $!v @ v RClick to edit Master text styles Second level Third level Fourth level Fifth level!     S  s *T"v Tt v E* 2  s *"v Tt  v G*(2  s *#v T@t v I6-*(2Z  B޽h))? ? ^WNff3 Javaxx.potd   ` ( &`    C XA@C:\WINDOWS\DESKTOP\JavaBack.jpg  s *D @@ v T Click to edit Master title style! !  c $ @  v W#Click to edit Master subtitle style$ $  s *d T v E* 2^WN  s *ą T  v G*(2^WN  s *$ T@ v G*(2^WNZ  B޽h))? ? ^WNff3 0 @.(    0 P   v Y*   0䀺    v [* d  c $ ?  v  0D  @ v RClick to edit Master text styles Second level Third level Fourth level Fifth level!     S  6 `P  v Y*   6 `  v [* H  0޽h ? ̙33 04(      0 P   v =*   0d    v ?*   6 `P  v =*   6$ `  v ?* H  0޽h ? ̙33 xP( K l  C  PP  v r  S 䆺 ` p v   0D0 pj VDr. Tim Margush Department of Mathematics and Computer Science The University of AkronW(2WH  0޽h ? ^WNff3  @0( w 0l 0 C 0`   l 0 C t#v@  H 0 0޽h ? ^WNff3R  P4(  4l 4 C Do0`   r 4 S dp   l 4 C q8 @  H 4 0޽h ? ^WNff3  p<(  <l < C t0`   l < C $q@  H < 0޽h ? ^WNff3R  @(  @l @ C ds0`   r @ S u   l @ C dv8 @  H @ 0޽h ? ^WNff3  H(  Hl H C s0`   l H C Dr@  H H 0޽h ? ^WNff3  L(  Ll L C r0`   l L C $t@  H L 0޽h ? ^WNff3R  P( \d Pl P C s0`   r P S t)   l P C d| @  H P 0޽h ? ^WNff3R  X( @o Xl X C $w0`   r X S w   l X C $v8 @  H X 0޽h ? ^WNff3  `(  `l ` C )0`   l ` C )@  H ` 0޽h ? ^WNff3 0 xp( X R  3    ~  C ( @    H  0޽h ? ̙33rL`)}/+$Y3 HG168k:K<>@eBDG pJObOh+'0Rx\ p|   Cup 6:AWT Eventse-The Abstract Window Toolkit - Event Handlingowe Tim Margush,Class notes for 3460:289 ST:Java, Fall 19987C:\Program Files\Microsoft Office\Templates\Javaxx.pot Tim Margush24 Microsoft PowerPointoso@3!x@ hTͽ@TGPoM  P('& &&#TNPPp0D v & TNPP &&TNPP     'A x(xʦ """)))UUUMMMBBB999|PP3f3333f333ff3fffff3f3f̙f3333f3333333333f3333333f3f33ff3f3f3f3333f3333333f3̙33333f333ff3ffffff3f33f3ff3f3f3ffff3fffffffff3fffffff3f̙ffff3ff333f3ff33fff33f3ff̙3f3f3333f333ff3fffff̙̙3̙f̙̙̙3f̙3f3f3333f333ff3fffff3f3f̙3ffffffffff!___wwwݼݽݼݽ޼ݽݼݼݼݼݼݽ޼ݼݼݽ޼ݼݼݼݽñݼݼݼݼݼݼݼݼݼݼݼݼݼݼݼݽݼݽݽݼ޼ݼݽݽݼݼݼݼݼ޼ݼݼݼݼݼݼ޼ݽݼݽ޽ݽݼݽݽݽݼ޼ݼñݼݽޔtttu㓱ݽݼ޼oݼݽݽýý޽ݼݼݽݽݼݼݼݼݼ޼ݼݼݼݼ޼ݼݼݽ޼ݼݽݼݼ޼ݼݽݼݼݽݼݽݽݼݼݼݼݽݽݽݼݼݼݼݼݽý޼ݼݽݽݽ޼޼ޔoݼݼݽݽݽݼݼݽݽݼݽݽݼݽݼ޼޽ݼݼݽ½޼ݽݽ޽޼ݼݼݽݼ޼⽽ݽݼݽ޽ݽ޽ݽݽݔݼݼݽݽ޽ݽݼ޽ݽݽݽ޽ݽݼ½ݼ޼ݽ޼ݽݽݼݼݽݼݼ޼ݼݼݼݼ޼ݼݽݼݽݼݼݼݽݼݼݼݼݼ޼ݼ㔼ݽݼݼ޼ݼݼݽݽݼ޼ݼݼݽݽ޼ݼݽ޼ݼ޼޼޼ݼݼݼݽ޽޽ݼݼݼݼݼ㓔ݼ޼ݼݼݼݽݽݽݼݼݽݼݼݼݼݼ޽ݼݼޔݽݽݽݽݼݼݼݼݽݼ޽޽޽޽޽½񷽽޽޽޽޽޽޽޽޽޽޽޽޽޽޽ý񽼽ýý޽޽޽޽޽ý޽޽޽޽޽޽޽޽޽⽽޽޽޽޽޼޼޽ý޽ýý޶޽޽޽޼޽ýýt㔶޽޽ݽ޽޽t޽u޽ý޽޽޽޽޽޽㱓޽񽽽޽޽޽޽޽޽޽޽޽ýݽ޽޽޽޽⼼޽ý޽޽޽ýnmJJ޽޽m##D##DsݼýÒD)D###$##JD#$#$###"#Dn޽D$#*#*#$##"nJ"D޽޽ýn)$#$#$#*$$Ds޽#$#*#*$)D#)$#޽s#$$#D##CDCE)$JQ0s޽񽽽޽ݽ#$D7)ý񽽽ý)#f7_D޽޽#DrDJtKn޽ݽ޽CsmLuMMtý"#JJLRR޽޽nDnELMMSMDg##m޽޽ֻ#"`Csޘ޽֧ȧ޽޶޽޽㓽޽޽o÷ "--&TNPP &՜.+,D՜.+,      fOn-screen ShowUniversity of AkronL  Times New Roman Arial BlackTahomaMonotype SortsArial Javaxx.potCup 6: AWT Event HandlingEvent Handling Process ListenersEvent ClassesLow-Level Event ClassesEvent HierarchyLow-Level ListenersAdapter ClassesSemantic Event ClassesSemantic Listeners  Fonts UsedDesign Template Slide Titles $em  5    _PID_GUID TemplateType GraphicType Compression ScreenSize ScreenUsage MailAddress HomePage Other DownloadOriginal DownloadIEButton UseBrowserColor BackColor TextColor LinkColor VisitedColorTransparentButton ButtonType ShowNotes NavBtnPos OutputDirAN{57184741-57E2-11D2-9E0C-00403331078B}Fmargush@uakron.edu"http://www.cs.uakron.edu/~margushvjClass Notes for ST:Java Tim Margush Department of Mathematics and Computer Science University of Akronm   f3 C:\WINDOWS\DESKTOP\JavaRoot EntrydO)ad )|@Picturesg?Current User+SummaryInformation(FR !"#$%&'()*+,-./0123456789:;<=>?@ABCDEGHIJKLMNOPQRSTUVWXYZ[\]^_`abcdefghijklmnoqrstuvw#_K Tim MargushRoot EntrydO)h}Picturesg?Current UserMSummaryInformation(FR !"#$%&'()*+,-./0123456789:;<=>?@ABCDEGHIJKLMNOPQRSTUVWXYZ[\]^_`abcdefghijklmnoqrstuvw'_KUniversity UserUniversity UserRoot EntrydO)Picturesg?Current UserxSummaryInformation(FRPowerPoint Document( 9KDocumentSummaryInformation8p