equal
deleted
inserted
replaced
33 " |
33 " |
34 ! |
34 ! |
35 |
35 |
36 version |
36 version |
37 " |
37 " |
38 $Header: /cvs/stx/stx/libwidg/Attic/ToggleC.st,v 1.4 1995-05-03 16:30:51 claus Exp $ |
38 $Header: /cvs/stx/stx/libwidg/Attic/ToggleC.st,v 1.5 1995-05-09 01:56:56 claus Exp $ |
39 " |
39 " |
40 ! |
40 ! |
41 |
41 |
42 documentation |
42 documentation |
43 " |
43 " |
44 ToggleControllers redefine some of ButtonControllers behavior; |
44 ToggleControllers redefine some of ButtonControllers behavior; |
45 user interaction: they always triggerOnDown, and ignore buttonrelease. |
45 user interaction: they always triggerOnDown, and ignore buttonrelease. |
46 Finally, every buttonPress leads to a toggle action. |
46 Finally, every buttonPress leads to a toggle action. |
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47 |
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48 ToggleController redefines the actionBlock, since it inherits press- |
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49 and releaseActions, while we want one actionBlock to be used for both |
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50 on- and off. The actionBlock (if any) is evaluated with the current |
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51 toggles state if it expects an argument, or without argument if its a no-arg |
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52 block. |
47 " |
53 " |
48 ! ! |
54 ! ! |
49 |
55 |
50 !ToggleController methodsFor:'initialization'! |
56 !ToggleController methodsFor:'initialization'! |
51 |
57 |
56 |
62 |
57 !ToggleController methodsFor:'events'! |
63 !ToggleController methodsFor:'events'! |
58 |
64 |
59 performAction |
65 performAction |
60 action notNil ifTrue:[ |
66 action notNil ifTrue:[ |
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67 active := true. |
61 action numArgs == 0 ifTrue:[ |
68 action numArgs == 0 ifTrue:[ |
62 action value |
69 action value |
63 ] ifFalse:[ |
70 ] ifFalse:[ |
64 action value:pressed |
71 action value:pressed |
65 ]. |
72 ]. |
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73 active := false. |
66 ]. |
74 ]. |
67 super performAction |
75 super performAction |
68 ! ! |
76 ! ! |
69 |
77 |
70 !ToggleController methodsFor:'accessing'! |
78 !ToggleController methodsFor:'accessing'! |
73 "set the action to be performed. This is called |
81 "set the action to be performed. This is called |
74 with the toggles state as argument." |
82 with the toggles state as argument." |
75 |
83 |
76 action := aBlock |
84 action := aBlock |
77 ! ! |
85 ! ! |
78 |
|