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>> Oratè 1: Se pou yo ekri yon pwogram ki
gen yon koòdone itilizatè grafik ki

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gen ladan yon kurseur ke yon itilizatè kapab deplase
gòch a dwat yo nan lòd yo chwazi kèk

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valè ant de nonb antye relatif.

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>> Pou fè sa, mwen te kòmanse ak
kèk kòd kontneur.

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Epi, koulye a kite a ranpli nan yon vid.

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Se pou yo premye asiyen yon GSlider, lè w rele
li kurseur, epi bay nan li

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valè a retounen nan getGSlider.

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Epi, koulye a kite a presize ke mwen vle a
pi ba mare nan kurseur la yo dwe yon

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nonb antye ki pè nan 0, mare a anwo nan la
kurseur yo dwe genyen yon nonb antye ki pè nan 100, ak

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default valè inisyal la yo dwe 50.

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>> Next, se pou yo ale pi devan epi asosye yon
aksyon lòd ak kurseur sa a pa

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rele setActionCommand, pase nan
kurseur, ak pase nan yon abitrè

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men inik fisèl tankou quote unquote
"Glise." Nan lòt mo, "glise" se

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pral fè idantifyan a inikman
ki asosye ak kurseur sa a.

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Jis nan ka koòdone itilizatè m 'te gen
plizyè koulis, mwen te kapab yo fè distenksyon ant

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nan mitan yo ak teknik sa a.

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>> Next, se pou yo rele addToRegion, pase nan
fenèt, pase nan kurseur, pase

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nan quote unquote "SOUTH," yo nan lòd yo
ajoute kurseur nan sid la

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rejyon nan koòdone itilizatè nou an.

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Ki kote quote unquote "SOUTH" k ap pase nan
gen idantifyan inik sa defini nan la

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Bibliyotèk Portable Stanford.

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>> Koulye a, pou Klète, sou bò goch la
nan la yo kite kurseur difisil

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kòd nimewo a 0.

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Apre sa, sou bò dwat la nan kurseur la kite a
Kòd difisil nimewo a 100.

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Se konsa, ki itilizatè a konnen pa glisman nan
bagay sou bò goch la oswa sou bò dwat la ki jan

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yo ap chanje valè li yo.

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>> Anvan nou asiyen ke kurseur, se pou yo
tounen isit la ak asiyen yon GLabel,

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rele li kite.

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Apre sa, bay li valè a retounen nan
newGLabel, pase nan quote unquote -

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nan lòt mo -

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nan "0." Se pou nou kounye a rele addToRegion,
pase nan fennèt, pase nan gòch li yo,

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pase nan quote unquote "SOUTH." Se konsa,
ki se mete etikèt sou sa a mete nan ki

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sid rejyon anvan kurseur la.

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>> Epi, koulye a apre kurseur la, se pou yo ale
pi devan epi deklare yon lòt GLabel.

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Rele li dwat, plase li nan
retounen valè de newGLabel.

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Quote unquote - yon lòt fil -

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"100". Lè sa a, rele addToRegion,
pase nan fennèt, pase nan dwa,

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pase nan "SOUTH" osi byen.

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Nan lòt mo, nou te jis te deklare yon
mete etikèt sou, yon kurseur, ak yon lòt sou etikèt la ak

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eleman yo nan rejyon an sid
nan ki lòd, se konsa ke itilizatè a konnen

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lè li oswa li te deplase li sou bò dwat la
oswa sou bò goch la apeprè sa ki valè

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yo pral apwoche.

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>> Se pou nou kounye a pwovoke yon bouk enfini.

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Ak andedan sa a bouk,
pèmèt premye chèk pou yon

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GActionEvent Li rele l evènman.

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Plase li retounen nan
valè de waitForEvent.

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Pase nan aksyon-evènman, yon konstan
te deklare nan Portable nan Stanford

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Bibliyotèk ki endike ke ou tout bon
vle rete tann pou yon aksyon.

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>> Se pou yo pwochen chèk si getEventType,
pase nan evènman, egal

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WINDOW_CLOSED, yon lòt konstan te deklare
nan Portable nan Stanford

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Bibliyotèk ki endike ke aksyon an
se fèmen an nan yon fenèt.

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Lè sa a, se pou yo ale pi devan epi kraze soti
nan sa a bouk otreman enfini.

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>> Lòt Bagay, se pou yo tcheke si itilizatè a
te diminuer ki kurseur.

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Si fil konpare nan getActionCommand,
pase nan evènman, vigil, quote unquote

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"Glise" egal egal 0.

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Nan lòt mo, si idantifikatè inik
ki asosye ak kurseur la

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ki te diminuer egal quote unquote
"Glise," idantifikatè inik

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ke nou bay pi bonè, Lè sa a,
Mwen vle fè sa ki annapre yo.

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>> Printf "kurseur te diminuer% mwen antislach
n, "ki endike ke mwen ta renmen

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ploge nan entegral nan
valè de kurseur la.

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Se konsa, vigil getValue nan kurseur.

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>> Se pou nou kounye a sove, konpile, kouri sa a
pwogram, ak glise ki kurseur.

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Fè kurseur.

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. / Kurseur.

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Genyen koòdone itilizatè m 'yo.

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Genyen kurseur m 'yo, sou bò goch la nan yo ki
se yon 0, sou bò dwat nan la ki se

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100, tou de peyi yo etikèt.

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Apre sa, jan mwen glise kurseur la sou bò goch la
e yo gen dwa a, remake ke nan mwen

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fenèt konsole mwen pral wè
valè a nonb antye ki pè.

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>> Koulye a, mwen pa nesesèman wè tout nan la
nimewo ant 0 ak 100, paske

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depann sou vitès la ak ki
Mwen demenaje kurseur a, mwen

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pwogram pa ta ka wè sa.

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Men, tout bon, si mwen demenaje sou sa bay nenpòt
kote patikilye, sa a, se valè a

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ki pral ekri ak lèt ​​detache.

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