author | Claus Gittinger <cg@exept.de> |
Mon, 25 Jul 2011 17:51:34 +0200 | |
changeset 2935 | c23f73a4b72e |
parent 2915 | d3cfaa2c26c2 |
child 2975 | 7afae6c8a8e3 |
permissions | -rw-r--r-- |
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" |
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COPYRIGHT (c) 1995 by Claus Gittinger |
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All Rights Reserved |
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This software is furnished under a license and may be used |
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only in accordance with the terms of that license and with the |
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inclusion of the above copyright notice. This software may not |
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be provided or otherwise made available to, or used by, any |
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other person. No title to or ownership of the software is |
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hereby transferred. |
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" |
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"{ Package: 'stx:libview2' }" |
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EventListener subclass:#ActiveHelp |
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instanceVariableNames:'lastHelpText listeningForAll applicationsOrTopViewsWithHelp' |
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classVariableNames:'' |
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poolDictionaries:'' |
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category:'Interface-Help' |
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! |
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ActiveHelp class instanceVariableNames:'DelayTime ShowTime TheOneAndOnlyHelpListener' |
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No other class instance variables are inherited by this class. |
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" |
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! |
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!ActiveHelp class methodsFor:'documentation'! |
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copyright |
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" |
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COPYRIGHT (c) 1995 by Claus Gittinger |
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All Rights Reserved |
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||
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This software is furnished under a license and may be used |
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only in accordance with the terms of that license and with the |
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inclusion of the above copyright notice. This software may not |
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be provided or otherwise made available to, or used by, any |
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other person. No title to or ownership of the software is |
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hereby transferred. |
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" |
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! |
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documentation |
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" |
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The active help listener. |
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The one and only instance of myself intercepts incoming mouse & keyboard |
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events for the display device, being especially interested in view-enter/ |
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leave events. When such an event arrives, it asks the corresponding view |
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or its model for a help message and display it via an ActiveHelpView. |
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(actually, the view is first asked if it would like to display it itself |
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- for example, in some information-view). |
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The query for the helpText is repeated along the views superView chain, |
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until any model or view returns a nonNil answer for the #helpTextFor:at |
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or #helpTextFor message. |
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All I need for automatic help is some model/view/applicationModel along |
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the superview chain of the entered component, which responds to the |
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#helpTextFor: message with a non-nil (string-) answer. |
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I close down the help view after a while, if a key is pressed or the mouse |
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moved to another view. |
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Who should provide the helpText: |
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the best place is the application object (an instance of ApplicationModel) |
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or the topView, if its a derived class of StandardSystemView. |
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This should know about its components and return the string |
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when asked via #helpTextFor:aComponent. |
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See examples in FileBrowser, Launcher etc. |
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Be aware, that for applicationModels, there must be a link from the |
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topView to this applicationModel |
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(set via: aTopView application:anApplicationModel) |
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otherwise, the helpManager has no means of finding the application which |
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corresponds to a view. |
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Who should display the helpText: |
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by default, the helpListener opens a little popup view, which displays the |
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returned help message. However, a nice trick which can be used by applications |
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is to create an infoLabel as a subview of the topFrame (a la windows) |
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and display the text right in the #helpTextFor: method. To cheat the |
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help listener, this method should then return nil, to keep it silent. |
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Usage: |
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If help is to be shown for all views (as enabled by the launchers help menu), |
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use 'ActiveHelp start' and 'ActiveHelp stop'. |
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Individual apps may enable/disable active help for themself by: |
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'ActiveHelp startFor:app' or 'ActiveHelp stopFor:app', passing either |
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the topView or the topViews application as argument. |
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This is usually done by applications which want to show contextHelp in |
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some infoView. |
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[author:] |
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Claus Gittinger |
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[start with:] |
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ActiveHelp start |
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ActiveHelp stop |
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[See also:] |
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ActiveHelpView |
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WindowGroup WindowEvent |
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ApplicationModel StandardSystemView |
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" |
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! |
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examples |
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" |
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Active Help for a single view |
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or app (whatever the global settings are): |
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Can be initiated by an app when its opened. |
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[exBegin] |
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|app top myAppClass| |
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Class withoutUpdatingChangesDo:[ |
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myAppClass := ApplicationModel |
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subclass:#'Demos::DemoApp' |
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instanceVariableNames:'' |
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classVariableNames:'' |
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poolDictionaries:'' |
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category:'demos'. |
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myAppClass |
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compile:'helpTextFor:aView Transcript showCR:''hello''. ^ ''this is some helpText'''. |
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]. |
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app := myAppClass new. |
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top := StandardSystemView new. |
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top extent:300@100. |
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top application:app. |
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top open. |
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ActiveHelp startFor:app. |
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Class withoutUpdatingChangesDo:[ |
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myAppClass removeFromSystem |
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] |
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[exEnd] |
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Active Help (for all views): |
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(make certain that activeHelp is turned on ... |
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... otherwise, you will see nothing) |
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the following example uses a Plug as a model replacement. |
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In concrete application, you would create a method to implement the helpText |
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query message. |
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[exBegin] |
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|app top button1 button2| |
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app := Plug new. |
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app respondTo:#helpTextFor: |
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with:[:view | |
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view == button1 ifTrue:[ |
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'this is button1' |
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] ifFalse:[ |
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view == button2 ifTrue:[ |
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'some help for button2' |
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] ifFalse:[ |
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nil |
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] |
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] |
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]. |
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top := StandardSystemView new. |
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top extent:300@100. |
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button1 := Button label:'b1' in:top. |
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button1 origin:0.0@0.0 corner:0.5@30. |
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button2 := Button label:'b2' in:top. |
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button2 origin:0.5@0.0 corner:1.0@30. |
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top model:app. '<-- normally this would be: top application:app'. |
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top open |
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[exEnd] |
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(make certain that activeHelp is turned on ... |
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... otherwise, you will see nothing) |
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alternatively, display of the helpMessage in a local, private view: |
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[exBegin] |
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|app top button1 button2 infoView| |
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app := Plug new. |
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app respondTo:#helpTextFor: |
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with:[:view | infoView label:'info ...'. |
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view == button1 ifTrue:[ |
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infoView label:'this is button1' |
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]. |
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view == button2 ifTrue:[ |
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infoView label:'some help for button2' |
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]. |
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nil |
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]. |
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top := StandardSystemView new. |
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top extent:300@100. |
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button1 := Button label:'b1' in:top. |
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button1 origin:0.0@0.0 corner:0.5@30. |
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button2 := Button label:'b2' in:top. |
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button2 origin:0.5@0.0 corner:1.0@30. |
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infoView := Label label:'info ...' in:top. |
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infoView level:-1; origin:0.0@1.0 corner:1.0@1.0. |
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infoView topInset:(infoView preferredExtent y negated - 3); |
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leftInset:3; |
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rightInset:3; |
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bottomInset:3; |
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adjust:#left. |
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top model:app. '<-- normally this would be: top application:app'. |
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top open |
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[exEnd] |
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" |
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! ! |
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!ActiveHelp class methodsFor:'queries'! |
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currentHelpListener |
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"return the activeHelp listener if activeHelp is turned on, nil otherwise" |
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^ TheOneAndOnlyHelpListener |
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"Created: 28.6.1997 / 13:59:44 / cg" |
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! |
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delayTime |
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^ DelayTime ? 0.4 |
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! |
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isActive |
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"return true, if activeHelp is turned on" |
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^ TheOneAndOnlyHelpListener notNil |
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"Modified: 27.4.1996 / 15:07:57 / cg" |
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! |
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showTime |
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"set the number of seconds, a help messages is to be shown. |
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The default is 30 seconds." |
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^ ShowTime ? 30 |
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"Modified: / 10-11-2010 / 12:29:44 / cg" |
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! ! |
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!ActiveHelp class methodsFor:'start & stop'! |
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start |
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"start activeHelp for all apps" |
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TheOneAndOnlyHelpListener notNil ifTrue:[ |
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TheOneAndOnlyHelpListener stop. |
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TheOneAndOnlyHelpListener := nil. |
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]. |
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||
59 | 263 |
TheOneAndOnlyHelpListener isNil ifTrue:[ |
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TheOneAndOnlyHelpListener := self new. |
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]. |
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TheOneAndOnlyHelpListener start. |
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^ TheOneAndOnlyHelpListener |
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" |
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ActiveHelp start |
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FlyByHelp start |
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" |
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"Modified: / 26.10.1997 / 23:16:54 / cg" |
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! |
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startFor:anApplicationOrTopView |
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"start activeHelp for a single app" |
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TheOneAndOnlyHelpListener isNil ifTrue:[ |
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TheOneAndOnlyHelpListener := self new. |
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]. |
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TheOneAndOnlyHelpListener listenFor:anApplicationOrTopView |
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284 |
|
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
285 |
"Modified: / 26.10.1997 / 23:17:05 / cg" |
59 | 286 |
! |
287 |
||
288 |
stop |
|
719
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
289 |
"stop activeHelp for all (except for individual apps)" |
233 | 290 |
|
59 | 291 |
TheOneAndOnlyHelpListener notNil ifTrue:[ |
2391 | 292 |
TheOneAndOnlyHelpListener stop. |
1535
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
293 |
TheOneAndOnlyHelpListener := nil. |
59 | 294 |
]. |
295 |
||
296 |
" |
|
297 |
ActiveHelp stop |
|
1543 | 298 |
FlyByHelp stop |
59 | 299 |
" |
233 | 300 |
|
719
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
301 |
"Modified: / 26.10.1997 / 23:18:58 / cg" |
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
302 |
! |
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
303 |
|
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
304 |
stopFor:anAppOrTopView |
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
305 |
"stop activeHelp for a single app" |
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
306 |
|
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
307 |
TheOneAndOnlyHelpListener notNil ifTrue:[ |
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
308 |
TheOneAndOnlyHelpListener unlistenFor:anAppOrTopView. |
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
309 |
]. |
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
310 |
|
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
311 |
"Modified: / 26.10.1997 / 23:12:55 / cg" |
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
312 |
"Created: / 26.10.1997 / 23:18:41 / cg" |
138 | 313 |
! ! |
314 |
||
338
071f92621e3b
oops - catching the terminateSignal is no good idea
Claus Gittinger <cg@exept.de>
parents:
330
diff
changeset
|
315 |
!ActiveHelp class methodsFor:'times'! |
138 | 316 |
|
317 |
delayTime:numberOfSeconds |
|
318 |
"set the delay (the time, the cursor has to be in the view |
|
319 |
before help is shown). The default is 2 seconds." |
|
320 |
||
321 |
DelayTime := numberOfSeconds |
|
322 |
||
323 |
" |
|
324 |
ActiveHelp delayTime:0.5 |
|
325 |
ActiveHelp delayTime:2 |
|
326 |
ActiveHelp delayTime:10 |
|
327 |
" |
|
59 | 328 |
! |
329 |
||
138 | 330 |
showTime:numberOfSeconds |
331 |
"set the number of seconds, a help messages is to be shown. |
|
2879 | 332 |
The default is 30 seconds." |
138 | 333 |
|
334 |
ShowTime := numberOfSeconds |
|
335 |
||
336 |
" |
|
337 |
ActiveHelp showTime:10 |
|
338 |
ActiveHelp showTime:99999 |
|
339 |
ActiveHelp showTime:30 |
|
340 |
" |
|
2879 | 341 |
|
342 |
"Modified: / 10-11-2010 / 12:29:40 / cg" |
|
138 | 343 |
! ! |
344 |
||
2391 | 345 |
!ActiveHelp methodsFor:'event handling'! |
138 | 346 |
|
2473 | 347 |
buttonMotion:buttonAndModifierState x:x y:y view:aView |
1657 | 348 |
"handle motion events - prepare to show help" |
233 | 349 |
|
2782 | 350 |
|realViewUnderCursor realP| |
351 |
||
2473 | 352 |
buttonAndModifierState == 0 ifTrue:[ |
2783
cb3420e40ed1
changed: #buttonMotion:x:y:view:
Claus Gittinger <cg@exept.de>
parents:
2782
diff
changeset
|
353 |
"/ realViewUnderCursor := aView device viewFromPoint:(aView pointerPosition). |
cb3420e40ed1
changed: #buttonMotion:x:y:view:
Claus Gittinger <cg@exept.de>
parents:
2782
diff
changeset
|
354 |
"/ realP := aView device translatePoint:(x@y) fromView:aView toView:realViewUnderCursor. |
cb3420e40ed1
changed: #buttonMotion:x:y:view:
Claus Gittinger <cg@exept.de>
parents:
2782
diff
changeset
|
355 |
"/ self handleMouseIn:realViewUnderCursor x:realP x y:realP y. |
cb3420e40ed1
changed: #buttonMotion:x:y:view:
Claus Gittinger <cg@exept.de>
parents:
2782
diff
changeset
|
356 |
self handleMouseIn:aView x:x y:y. |
1948
33eb423a6fd3
only act when no mouse-button is pressed
Claus Gittinger <cg@exept.de>
parents:
1909
diff
changeset
|
357 |
]. |
138 | 358 |
^ false |
359 |
! |
|
360 |
||
1591 | 361 |
keyPress:key x:x y:y view:view |
1535
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
362 |
"unconditionally hide the help view" |
233 | 363 |
|
1535
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
364 |
self hideHelpIgnoringErrors. |
138 | 365 |
^ false |
233 | 366 |
|
367 |
"Modified: 27.4.1996 / 15:09:57 / cg" |
|
138 | 368 |
! |
369 |
||
370 |
pointerEnter:state x:x y:y view:aView |
|
1657 | 371 |
"handle pointer entering a view; prepare to show help" |
233 | 372 |
|
1948
33eb423a6fd3
only act when no mouse-button is pressed
Claus Gittinger <cg@exept.de>
parents:
1909
diff
changeset
|
373 |
state == 0 ifTrue:[ |
33eb423a6fd3
only act when no mouse-button is pressed
Claus Gittinger <cg@exept.de>
parents:
1909
diff
changeset
|
374 |
self handleMouseIn:aView x:x y:y. |
33eb423a6fd3
only act when no mouse-button is pressed
Claus Gittinger <cg@exept.de>
parents:
1909
diff
changeset
|
375 |
]. |
1657 | 376 |
^ false |
138 | 377 |
! |
378 |
||
2371
4ab6c8c7bc03
flush enqueued help-activation event when we leave a view
Claus Gittinger <cg@exept.de>
parents:
2130
diff
changeset
|
379 |
pointerLeave:state view:aView |
233 | 380 |
"handle pointer leaving a view; hide help text" |
381 |
||
2371
4ab6c8c7bc03
flush enqueued help-activation event when we leave a view
Claus Gittinger <cg@exept.de>
parents:
2130
diff
changeset
|
382 |
|sensor| |
4ab6c8c7bc03
flush enqueued help-activation event when we leave a view
Claus Gittinger <cg@exept.de>
parents:
2130
diff
changeset
|
383 |
|
4ab6c8c7bc03
flush enqueued help-activation event when we leave a view
Claus Gittinger <cg@exept.de>
parents:
2130
diff
changeset
|
384 |
sensor := aView sensor. |
4ab6c8c7bc03
flush enqueued help-activation event when we leave a view
Claus Gittinger <cg@exept.de>
parents:
2130
diff
changeset
|
385 |
sensor notNil ifTrue:[ |
4ab6c8c7bc03
flush enqueued help-activation event when we leave a view
Claus Gittinger <cg@exept.de>
parents:
2130
diff
changeset
|
386 |
sensor flushEventsFor:self withType:#initiateHelpFor:at:. |
4ab6c8c7bc03
flush enqueued help-activation event when we leave a view
Claus Gittinger <cg@exept.de>
parents:
2130
diff
changeset
|
387 |
]. |
1535
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
388 |
self hideHelpIgnoringErrors. |
138 | 389 |
^ false |
2914
18cff2d0daff
change to only expect one single method to be (re)defined:
Claus Gittinger <cg@exept.de>
parents:
2879
diff
changeset
|
390 |
! |
18cff2d0daff
change to only expect one single method to be (re)defined:
Claus Gittinger <cg@exept.de>
parents:
2879
diff
changeset
|
391 |
|
18cff2d0daff
change to only expect one single method to be (re)defined:
Claus Gittinger <cg@exept.de>
parents:
2879
diff
changeset
|
392 |
processEvent:ev |
18cff2d0daff
change to only expect one single method to be (re)defined:
Claus Gittinger <cg@exept.de>
parents:
2879
diff
changeset
|
393 |
(ev isPointerEnterLeaveEvent |
18cff2d0daff
change to only expect one single method to be (re)defined:
Claus Gittinger <cg@exept.de>
parents:
2879
diff
changeset
|
394 |
or:[ ev isButtonEvent |
18cff2d0daff
change to only expect one single method to be (re)defined:
Claus Gittinger <cg@exept.de>
parents:
2879
diff
changeset
|
395 |
or:[ ev isKeyEvent ]]) ifTrue:[ |
18cff2d0daff
change to only expect one single method to be (re)defined:
Claus Gittinger <cg@exept.de>
parents:
2879
diff
changeset
|
396 |
^ ev dispatchWithViewArgumentTo:self |
18cff2d0daff
change to only expect one single method to be (re)defined:
Claus Gittinger <cg@exept.de>
parents:
2879
diff
changeset
|
397 |
]. |
18cff2d0daff
change to only expect one single method to be (re)defined:
Claus Gittinger <cg@exept.de>
parents:
2879
diff
changeset
|
398 |
^ false |
18cff2d0daff
change to only expect one single method to be (re)defined:
Claus Gittinger <cg@exept.de>
parents:
2879
diff
changeset
|
399 |
|
18cff2d0daff
change to only expect one single method to be (re)defined:
Claus Gittinger <cg@exept.de>
parents:
2879
diff
changeset
|
400 |
"Created: / 29-06-2011 / 18:22:43 / cg" |
59 | 401 |
! ! |
402 |
||
2391 | 403 |
!ActiveHelp methodsFor:'help texts'! |
59 | 404 |
|
2130 | 405 |
helpTextFor:aView at:aDevicePointOrNil |
233 | 406 |
"retrieve helptext for aView as a string; |
100 | 407 |
walk along the views superView chain, |
408 |
asking models and views encountered while walking. |
|
409 |
The first one who understands and returns a nonNil answer to the |
|
233 | 410 |
#helpTextFor:at: or #helpTextFor: message ends this search and the |
100 | 411 |
returned string is returned." |
412 |
||
2130 | 413 |
|model app1 app2 text v sv topView domainPointOrNil| |
59 | 414 |
|
2130 | 415 |
aView transformation notNil ifTrue:[ |
416 |
domainPointOrNil := aView transformation applyInverseTo:aDevicePointOrNil. |
|
417 |
] ifFalse:[ |
|
418 |
domainPointOrNil := aDevicePointOrNil. |
|
419 |
]. |
|
420 |
||
421 |
text := self helpTextFromView:aView at:domainPointOrNil. |
|
2076 | 422 |
text notNil ifTrue:[ ^ text ]. |
423 |
||
1549
1b5274878f87
care for oldStyle views (StdSysViews)
Claus Gittinger <cg@exept.de>
parents:
1543
diff
changeset
|
424 |
((aView respondsTo:#application) |
1b5274878f87
care for oldStyle views (StdSysViews)
Claus Gittinger <cg@exept.de>
parents:
1543
diff
changeset
|
425 |
and:[ (app1 := aView application) notNil ]) ifTrue:[ |
2130 | 426 |
text := self helpTextFromModel:app1 view:aView at:domainPointOrNil. |
1549
1b5274878f87
care for oldStyle views (StdSysViews)
Claus Gittinger <cg@exept.de>
parents:
1543
diff
changeset
|
427 |
text notNil ifTrue:[ ^ text ]. |
1b5274878f87
care for oldStyle views (StdSysViews)
Claus Gittinger <cg@exept.de>
parents:
1543
diff
changeset
|
428 |
] ifFalse:[ |
1b5274878f87
care for oldStyle views (StdSysViews)
Claus Gittinger <cg@exept.de>
parents:
1543
diff
changeset
|
429 |
"/ old style (i.e. StandardSystemView ...) |
1b5274878f87
care for oldStyle views (StdSysViews)
Claus Gittinger <cg@exept.de>
parents:
1543
diff
changeset
|
430 |
topView := aView topView. |
1b5274878f87
care for oldStyle views (StdSysViews)
Claus Gittinger <cg@exept.de>
parents:
1543
diff
changeset
|
431 |
(topView notNil and:[topView ~~ aView]) ifTrue:[ |
2130 | 432 |
text := self helpTextFromModel:topView view:aView at:domainPointOrNil. |
1535
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
433 |
text notNil ifTrue:[ ^ text ]. |
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
434 |
] |
59 | 435 |
]. |
1549
1b5274878f87
care for oldStyle views (StdSysViews)
Claus Gittinger <cg@exept.de>
parents:
1543
diff
changeset
|
436 |
|
1535
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
437 |
(model := aView model) notNil ifTrue:[ |
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
438 |
model ~~ app1 ifTrue:[ |
2130 | 439 |
text := self helpTextFromModel:model view:aView at:domainPointOrNil. |
1535
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
440 |
text notNil ifTrue:[ ^ text ]. |
1502 | 441 |
]. |
1011
53514f2c18a7
also ask for helpTextAt:, when a motionEvent arrives.
Claus Gittinger <cg@exept.de>
parents:
728
diff
changeset
|
442 |
]. |
2130 | 443 |
text := self helpTextFromView:aView at:domainPointOrNil. |
1535
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
444 |
text notNil ifTrue:[ ^ text ]. |
59 | 445 |
|
446 |
"walk up the chain - maybe someone knows about its subview ..." |
|
447 |
v := aView. |
|
1502 | 448 |
[ |
449 |
(sv := v container) notNil |
|
450 |
] whileTrue:[ |
|
1535
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
451 |
(model := sv model) notNil ifTrue:[ |
2130 | 452 |
text := self helpTextFromModel:model view:aView at:domainPointOrNil. |
1502 | 453 |
text notNil ifTrue:[ ^ text ]. |
1535
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
454 |
]. |
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
455 |
text := self helpTextFromView:sv at:nil. |
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
456 |
text notNil ifTrue:[ ^ text ]. |
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
457 |
v := sv |
602 | 458 |
]. |
1535
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
459 |
|
100 | 460 |
(v notNil and:[v respondsTo:#application]) ifTrue:[ |
1535
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
461 |
(app2 := v application) notNil ifTrue:[ |
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
462 |
(app2 ~~ app1) ifTrue:[ |
2130 | 463 |
text := self helpTextFromModel:app2 view:aView at:domainPointOrNil. |
1535
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
464 |
text notNil ifTrue:[ ^ text ]. |
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
465 |
] |
233 | 466 |
] |
100 | 467 |
]. |
468 |
(v notNil and:[v respondsTo:#model]) ifTrue:[ |
|
233 | 469 |
(model := v model) notNil ifTrue:[ |
2130 | 470 |
text := self helpTextFromModel:model view:aView at:domainPointOrNil. |
1502 | 471 |
text notNil ifTrue:[ ^ text ]. |
233 | 472 |
] |
100 | 473 |
]. |
59 | 474 |
^ nil |
100 | 475 |
|
728 | 476 |
"Modified: / 31.8.1995 / 20:38:00 / claus" |
1011
53514f2c18a7
also ask for helpTextAt:, when a motionEvent arrives.
Claus Gittinger <cg@exept.de>
parents:
728
diff
changeset
|
477 |
"Modified: / 28.7.1998 / 01:47:27 / cg" |
100 | 478 |
! |
479 |
||
1535
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
480 |
helpTextFromModel:aModel view:aView at:aPointOrNil |
1502 | 481 |
"helper: ask aModel for its helpText." |
482 |
||
1996 | 483 |
|text text2| |
1502 | 484 |
|
1535
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
485 |
aPointOrNil notNil ifTrue:[ |
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
486 |
(aModel respondsTo:#helpTextFor:at:) ifTrue:[ |
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
487 |
text := aModel helpTextFor:aView at:aPointOrNil. |
2076 | 488 |
text notNil ifTrue:[^ text]. |
1535
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
489 |
]. |
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
490 |
]. |
2076 | 491 |
(aModel respondsTo:#helpTextFor:) ifTrue:[ |
492 |
text := aModel helpTextFor:aView. |
|
2685
9b6fd90dc9e2
changed #helpTextFromModel:view:at:
Claus Gittinger <cg@exept.de>
parents:
2473
diff
changeset
|
493 |
"/ cg: I dont understand this... |
9b6fd90dc9e2
changed #helpTextFromModel:view:at:
Claus Gittinger <cg@exept.de>
parents:
2473
diff
changeset
|
494 |
"/ text notNil ifTrue:[ |
9b6fd90dc9e2
changed #helpTextFromModel:view:at:
Claus Gittinger <cg@exept.de>
parents:
2473
diff
changeset
|
495 |
"/ text2 := self helpTextFromView:aView at:aPointOrNil. |
9b6fd90dc9e2
changed #helpTextFromModel:view:at:
Claus Gittinger <cg@exept.de>
parents:
2473
diff
changeset
|
496 |
"/ text2 notNil ifTrue:[ ^ text2 ]. |
9b6fd90dc9e2
changed #helpTextFromModel:view:at:
Claus Gittinger <cg@exept.de>
parents:
2473
diff
changeset
|
497 |
"/ ]. |
1502 | 498 |
]. |
1535
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
499 |
^ text |
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
500 |
! |
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
501 |
|
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
502 |
helpTextFromView:aView at:aPointOrNil |
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
503 |
"helper: ask aView for its helpText." |
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
504 |
|
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
505 |
|text| |
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
506 |
|
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
507 |
aPointOrNil notNil ifTrue:[ |
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
508 |
(aView respondsTo:#helpTextAt:) ifTrue:[ |
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
509 |
text := aView helpTextAt:aPointOrNil. |
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
510 |
]. |
1502 | 511 |
]. |
1535
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
512 |
text isNil ifTrue:[ |
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
513 |
(aView respondsTo:#helpText) ifTrue:[ |
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
514 |
text := aView helpText. |
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
515 |
]. |
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
516 |
]. |
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
517 |
^ text. |
2391 | 518 |
! ! |
519 |
||
2914
18cff2d0daff
change to only expect one single method to be (re)defined:
Claus Gittinger <cg@exept.de>
parents:
2879
diff
changeset
|
520 |
!ActiveHelp methodsFor:'others'! |
18cff2d0daff
change to only expect one single method to be (re)defined:
Claus Gittinger <cg@exept.de>
parents:
2879
diff
changeset
|
521 |
|
18cff2d0daff
change to only expect one single method to be (re)defined:
Claus Gittinger <cg@exept.de>
parents:
2879
diff
changeset
|
522 |
buttonPress:b x:x y:y view:v ^ false |
18cff2d0daff
change to only expect one single method to be (re)defined:
Claus Gittinger <cg@exept.de>
parents:
2879
diff
changeset
|
523 |
! |
18cff2d0daff
change to only expect one single method to be (re)defined:
Claus Gittinger <cg@exept.de>
parents:
2879
diff
changeset
|
524 |
|
18cff2d0daff
change to only expect one single method to be (re)defined:
Claus Gittinger <cg@exept.de>
parents:
2879
diff
changeset
|
525 |
buttonRelease:b x:x y:y view:v ^ false |
18cff2d0daff
change to only expect one single method to be (re)defined:
Claus Gittinger <cg@exept.de>
parents:
2879
diff
changeset
|
526 |
! ! |
18cff2d0daff
change to only expect one single method to be (re)defined:
Claus Gittinger <cg@exept.de>
parents:
2879
diff
changeset
|
527 |
|
2391 | 528 |
!ActiveHelp methodsFor:'private'! |
1502 | 529 |
|
2914
18cff2d0daff
change to only expect one single method to be (re)defined:
Claus Gittinger <cg@exept.de>
parents:
2879
diff
changeset
|
530 |
handleMouseIn:aView x:x y:y |
18cff2d0daff
change to only expect one single method to be (re)defined:
Claus Gittinger <cg@exept.de>
parents:
2879
diff
changeset
|
531 |
"handle motion events - if the mousepointer left the |
18cff2d0daff
change to only expect one single method to be (re)defined:
Claus Gittinger <cg@exept.de>
parents:
2879
diff
changeset
|
532 |
previous helped view, hide the help" |
18cff2d0daff
change to only expect one single method to be (re)defined:
Claus Gittinger <cg@exept.de>
parents:
2879
diff
changeset
|
533 |
|
18cff2d0daff
change to only expect one single method to be (re)defined:
Claus Gittinger <cg@exept.de>
parents:
2879
diff
changeset
|
534 |
(self interestedIn:aView) ifFalse:[^ self]. |
18cff2d0daff
change to only expect one single method to be (re)defined:
Claus Gittinger <cg@exept.de>
parents:
2879
diff
changeset
|
535 |
|
18cff2d0daff
change to only expect one single method to be (re)defined:
Claus Gittinger <cg@exept.de>
parents:
2879
diff
changeset
|
536 |
Error handle:[:ex | |
18cff2d0daff
change to only expect one single method to be (re)defined:
Claus Gittinger <cg@exept.de>
parents:
2879
diff
changeset
|
537 |
'---------------------' infoPrintCR. |
18cff2d0daff
change to only expect one single method to be (re)defined:
Claus Gittinger <cg@exept.de>
parents:
2879
diff
changeset
|
538 |
ex description infoPrintCR. |
18cff2d0daff
change to only expect one single method to be (re)defined:
Claus Gittinger <cg@exept.de>
parents:
2879
diff
changeset
|
539 |
ex suspendedContext fullPrintAll. |
18cff2d0daff
change to only expect one single method to be (re)defined:
Claus Gittinger <cg@exept.de>
parents:
2879
diff
changeset
|
540 |
ex return |
18cff2d0daff
change to only expect one single method to be (re)defined:
Claus Gittinger <cg@exept.de>
parents:
2879
diff
changeset
|
541 |
] do:[ |
18cff2d0daff
change to only expect one single method to be (re)defined:
Claus Gittinger <cg@exept.de>
parents:
2879
diff
changeset
|
542 |
|sensor| |
18cff2d0daff
change to only expect one single method to be (re)defined:
Claus Gittinger <cg@exept.de>
parents:
2879
diff
changeset
|
543 |
|
18cff2d0daff
change to only expect one single method to be (re)defined:
Claus Gittinger <cg@exept.de>
parents:
2879
diff
changeset
|
544 |
"/ self stopHelpDisplayProcess. |
18cff2d0daff
change to only expect one single method to be (re)defined:
Claus Gittinger <cg@exept.de>
parents:
2879
diff
changeset
|
545 |
self hideIfPointerLeft:aView. |
18cff2d0daff
change to only expect one single method to be (re)defined:
Claus Gittinger <cg@exept.de>
parents:
2879
diff
changeset
|
546 |
|
18cff2d0daff
change to only expect one single method to be (re)defined:
Claus Gittinger <cg@exept.de>
parents:
2879
diff
changeset
|
547 |
"/ check again, in case the stop/hide changed something... |
18cff2d0daff
change to only expect one single method to be (re)defined:
Claus Gittinger <cg@exept.de>
parents:
2879
diff
changeset
|
548 |
(self interestedIn:aView) ifFalse:[ |
18cff2d0daff
change to only expect one single method to be (re)defined:
Claus Gittinger <cg@exept.de>
parents:
2879
diff
changeset
|
549 |
^ self |
18cff2d0daff
change to only expect one single method to be (re)defined:
Claus Gittinger <cg@exept.de>
parents:
2879
diff
changeset
|
550 |
]. |
18cff2d0daff
change to only expect one single method to be (re)defined:
Claus Gittinger <cg@exept.de>
parents:
2879
diff
changeset
|
551 |
|
18cff2d0daff
change to only expect one single method to be (re)defined:
Claus Gittinger <cg@exept.de>
parents:
2879
diff
changeset
|
552 |
"/ if there is a sensor, let the view do it itself (in its process) |
18cff2d0daff
change to only expect one single method to be (re)defined:
Claus Gittinger <cg@exept.de>
parents:
2879
diff
changeset
|
553 |
(self targetViewInitiatesHelpViaSensor |
18cff2d0daff
change to only expect one single method to be (re)defined:
Claus Gittinger <cg@exept.de>
parents:
2879
diff
changeset
|
554 |
and:[ (sensor := aView sensor) notNil ]) |
18cff2d0daff
change to only expect one single method to be (re)defined:
Claus Gittinger <cg@exept.de>
parents:
2879
diff
changeset
|
555 |
ifTrue:[ |
18cff2d0daff
change to only expect one single method to be (re)defined:
Claus Gittinger <cg@exept.de>
parents:
2879
diff
changeset
|
556 |
sensor flushEventsFor:self withType:#initiateHelpFor:at:. |
18cff2d0daff
change to only expect one single method to be (re)defined:
Claus Gittinger <cg@exept.de>
parents:
2879
diff
changeset
|
557 |
sensor |
18cff2d0daff
change to only expect one single method to be (re)defined:
Claus Gittinger <cg@exept.de>
parents:
2879
diff
changeset
|
558 |
pushUserEvent:#initiateHelpFor:at: for:self |
18cff2d0daff
change to only expect one single method to be (re)defined:
Claus Gittinger <cg@exept.de>
parents:
2879
diff
changeset
|
559 |
withArguments:(Array with:aView with:(x @ y)). |
18cff2d0daff
change to only expect one single method to be (re)defined:
Claus Gittinger <cg@exept.de>
parents:
2879
diff
changeset
|
560 |
] ifFalse:[ |
18cff2d0daff
change to only expect one single method to be (re)defined:
Claus Gittinger <cg@exept.de>
parents:
2879
diff
changeset
|
561 |
self initiateHelpFor:aView at:(x @ y). |
18cff2d0daff
change to only expect one single method to be (re)defined:
Claus Gittinger <cg@exept.de>
parents:
2879
diff
changeset
|
562 |
] |
18cff2d0daff
change to only expect one single method to be (re)defined:
Claus Gittinger <cg@exept.de>
parents:
2879
diff
changeset
|
563 |
]. |
18cff2d0daff
change to only expect one single method to be (re)defined:
Claus Gittinger <cg@exept.de>
parents:
2879
diff
changeset
|
564 |
! |
18cff2d0daff
change to only expect one single method to be (re)defined:
Claus Gittinger <cg@exept.de>
parents:
2879
diff
changeset
|
565 |
|
138 | 566 |
hideIfPointerLeft:aView |
233 | 567 |
"hide help, if the pointer is not in aView" |
138 | 568 |
! |
569 |
||
719
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
570 |
interestedIn:aView |
1033
3a56ba930052
care for nil view passed to #interestedIn.
Claus Gittinger <cg@exept.de>
parents:
1019
diff
changeset
|
571 |
"return true, if I am interested in aView (either listeningForAll, |
3a56ba930052
care for nil view passed to #interestedIn.
Claus Gittinger <cg@exept.de>
parents:
1019
diff
changeset
|
572 |
or in my list of apps)" |
719
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
573 |
|
1106 | 574 |
|app aViewsTopView| |
719
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
575 |
|
1535
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
576 |
aView isNil ifTrue:[^ false]. |
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
577 |
|
719
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
578 |
listeningForAll == true ifTrue:[^ true]. |
1957 | 579 |
applicationsOrTopViewsWithHelp isEmptyOrNil ifTrue:[^ false]. |
1033
3a56ba930052
care for nil view passed to #interestedIn.
Claus Gittinger <cg@exept.de>
parents:
1019
diff
changeset
|
580 |
|
1106 | 581 |
aViewsTopView := aView topView. |
582 |
(applicationsOrTopViewsWithHelp includesIdentical:aViewsTopView) ifTrue:[^ true]. |
|
583 |
app := aViewsTopView application. |
|
719
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
584 |
app notNil ifTrue:[ |
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
585 |
(applicationsOrTopViewsWithHelp includesIdentical:app) ifTrue:[^ true] |
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
586 |
]. |
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
587 |
^ false |
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
588 |
|
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
589 |
"Created: / 26.10.1997 / 23:28:52 / cg" |
1033
3a56ba930052
care for nil view passed to #interestedIn.
Claus Gittinger <cg@exept.de>
parents:
1019
diff
changeset
|
590 |
"Modified: / 8.8.1998 / 13:36:19 / cg" |
2782 | 591 |
! |
592 |
||
593 |
targetViewInitiatesHelpViaSensor |
|
594 |
"true if the target view is asked to show the help via the sensor; |
|
595 |
false, if I do it myself synchronously." |
|
596 |
||
597 |
^ true |
|
59 | 598 |
! ! |
599 |
||
2391 | 600 |
!ActiveHelp methodsFor:'queries'! |
601 |
||
602 |
delayTime |
|
603 |
^ self class delayTime |
|
604 |
! |
|
605 |
||
606 |
showTime |
|
607 |
^ self class showTime |
|
608 |
! ! |
|
609 |
||
1768 | 610 |
!ActiveHelp methodsFor:'show & hide help'! |
59 | 611 |
|
612 |
hideHelp |
|
1535
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
613 |
"hide the help text - nothing done here" |
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
614 |
! |
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
615 |
|
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
616 |
hideHelpIgnoringErrors |
233 | 617 |
"hide the help text" |
618 |
||
1713
bc8a1d16e60f
Convert Object>>errorSignal -> Error
Stefan Vogel <sv@exept.de>
parents:
1657
diff
changeset
|
619 |
Error handle:[:ex | |
1535
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
620 |
ex description infoPrintCR. |
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
621 |
ex return |
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
622 |
] do:[ |
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
623 |
self hideHelp. |
59 | 624 |
]. |
625 |
! |
|
626 |
||
1535
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
627 |
initiateHelpFor:aView at:aPointOrNil |
634 | 628 |
"ask aView for helpText, passing x/y coordinates; |
629 |
start a timeout process to display this helpText after some delay; |
|
630 |
Normally used internally, but can also be used by widgets to force |
|
631 |
re-negotiation of the displayed helpText |
|
632 |
(for example in a menu, when the selection changes)" |
|
633 |
||
1657 | 634 |
self initiateHelpFor:aView at:aPointOrNil now:false |
637
8be64da7d932
views own help display is done immediately.
Claus Gittinger <cg@exept.de>
parents:
636
diff
changeset
|
635 |
|
8be64da7d932
views own help display is done immediately.
Claus Gittinger <cg@exept.de>
parents:
636
diff
changeset
|
636 |
"Modified: 28.6.1997 / 14:45:57 / cg" |
8be64da7d932
views own help display is done immediately.
Claus Gittinger <cg@exept.de>
parents:
636
diff
changeset
|
637 |
! |
8be64da7d932
views own help display is done immediately.
Claus Gittinger <cg@exept.de>
parents:
636
diff
changeset
|
638 |
|
1535
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
639 |
initiateHelpFor:aView at:aPointOrNil now:showItNow |
637
8be64da7d932
views own help display is done immediately.
Claus Gittinger <cg@exept.de>
parents:
636
diff
changeset
|
640 |
"ask aView for helpText, passing x/y coordinates; |
8be64da7d932
views own help display is done immediately.
Claus Gittinger <cg@exept.de>
parents:
636
diff
changeset
|
641 |
start a timeout process to display this helpText after some delay; |
8be64da7d932
views own help display is done immediately.
Claus Gittinger <cg@exept.de>
parents:
636
diff
changeset
|
642 |
Normally used internally, but can also be used by widgets to force |
8be64da7d932
views own help display is done immediately.
Claus Gittinger <cg@exept.de>
parents:
636
diff
changeset
|
643 |
re-negotiation of the displayed helpText |
8be64da7d932
views own help display is done immediately.
Claus Gittinger <cg@exept.de>
parents:
636
diff
changeset
|
644 |
(for example in a menu, when the selection changes)" |
8be64da7d932
views own help display is done immediately.
Claus Gittinger <cg@exept.de>
parents:
636
diff
changeset
|
645 |
|
696 | 646 |
|text top app| |
634 | 647 |
|
1143 | 648 |
(self interestedIn:aView) ifFalse:[ |
649 |
^ self |
|
650 |
]. |
|
1535
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
651 |
|
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
652 |
text := self helpTextFor:aView at:aPointOrNil. |
637
8be64da7d932
views own help display is done immediately.
Claus Gittinger <cg@exept.de>
parents:
636
diff
changeset
|
653 |
lastHelpText = text ifTrue:[ |
8be64da7d932
views own help display is done immediately.
Claus Gittinger <cg@exept.de>
parents:
636
diff
changeset
|
654 |
^ self |
8be64da7d932
views own help display is done immediately.
Claus Gittinger <cg@exept.de>
parents:
636
diff
changeset
|
655 |
]. |
8be64da7d932
views own help display is done immediately.
Claus Gittinger <cg@exept.de>
parents:
636
diff
changeset
|
656 |
|
1535
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
657 |
"/ let application show the help |
728 | 658 |
"/ (i.e. in its own information area) |
1535
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
659 |
"/ nil-text is also passed down, to give it a chance |
728 | 660 |
"/ to clean its infoDisplay. |
637
8be64da7d932
views own help display is done immediately.
Claus Gittinger <cg@exept.de>
parents:
636
diff
changeset
|
661 |
|
728 | 662 |
top := aView topView. |
663 |
(app := aView application) notNil ifTrue:[ |
|
1019
862f095da4ac
#showHelp:for: renamed to #showActiveHelp:for:
Claus Gittinger <cg@exept.de>
parents:
1011
diff
changeset
|
664 |
(app showActiveHelp:text for:aView) ifTrue:[ |
728 | 665 |
lastHelpText := text. |
632
844b1aaf3eeb
provide access to the current activeHelp instance
Claus Gittinger <cg@exept.de>
parents:
602
diff
changeset
|
666 |
] |
844b1aaf3eeb
provide access to the current activeHelp instance
Claus Gittinger <cg@exept.de>
parents:
602
diff
changeset
|
667 |
]. |
1535
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
668 |
! |
59 | 669 |
|
1535
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
670 |
stopHelpDisplayProcess |
59 | 671 |
! ! |
672 |
||
719
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
673 |
!ActiveHelp methodsFor:'start & stop'! |
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
674 |
|
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
675 |
listenFor:anAppOrTopView |
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
676 |
"start listening" |
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
677 |
|
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
678 |
applicationsOrTopViewsWithHelp isNil ifTrue:[ |
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
679 |
applicationsOrTopViewsWithHelp := WeakIdentitySet new. |
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
680 |
]. |
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
681 |
applicationsOrTopViewsWithHelp add:anAppOrTopView. |
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
682 |
super listen. |
639 | 683 |
|
719
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
684 |
"Created: / 26.10.1997 / 23:20:47 / cg" |
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
685 |
"Modified: / 26.10.1997 / 23:21:10 / cg" |
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
686 |
! |
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
687 |
|
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
688 |
listenForAll |
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
689 |
"start listening" |
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
690 |
|
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
691 |
listeningForAll := true. |
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
692 |
super listen. |
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
693 |
|
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
694 |
"Modified: / 28.6.1997 / 15:07:02 / cg" |
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
695 |
"Created: / 26.10.1997 / 23:19:30 / cg" |
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
696 |
! |
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
697 |
|
2391 | 698 |
start |
699 |
self listenForAll |
|
700 |
! |
|
701 |
||
702 |
stop |
|
703 |
self unlistenAll |
|
704 |
! |
|
705 |
||
719
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
706 |
unlistenAll |
639 | 707 |
"stop listening" |
708 |
||
709 |
self hideHelp. |
|
1535
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
710 |
|
719
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
711 |
listeningForAll := false. |
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
712 |
applicationsOrTopViewsWithHelp size == 0 ifTrue:[ |
1535
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
713 |
self unlisten. |
719
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
714 |
] |
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
715 |
|
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
716 |
"Created: / 26.10.1997 / 23:14:17 / cg" |
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
717 |
"Modified: / 26.10.1997 / 23:23:04 / cg" |
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
718 |
! |
639 | 719 |
|
719
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
720 |
unlistenFor:anApp |
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
721 |
"stop listening for an app" |
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
722 |
|
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
723 |
self hideHelp. |
1535
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
724 |
|
1543 | 725 |
applicationsOrTopViewsWithHelp isNil ifFalse:[ |
726 |
applicationsOrTopViewsWithHelp remove:anApp ifAbsent:nil. |
|
727 |
]. |
|
726 | 728 |
listeningForAll == true ifFalse:[ |
719
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
729 |
applicationsOrTopViewsWithHelp size == 0 ifTrue:[ |
1535
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
730 |
self unlisten. |
719
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
731 |
] |
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
732 |
] |
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
733 |
|
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
734 |
"Created: / 26.10.1997 / 23:22:42 / cg" |
726 | 735 |
"Modified: / 29.10.1997 / 15:48:34 / cg" |
639 | 736 |
! ! |
737 |
||
338
071f92621e3b
oops - catching the terminateSignal is no good idea
Claus Gittinger <cg@exept.de>
parents:
330
diff
changeset
|
738 |
!ActiveHelp class methodsFor:'documentation'! |
138 | 739 |
|
2779
b608ded19ff2
changed: #handleMouseIn:x:y:
Claus Gittinger <cg@exept.de>
parents:
2688
diff
changeset
|
740 |
version_CVS |
2915 | 741 |
^ '$Header: /cvs/stx/stx/libview2/ActiveHelp.st,v 1.69 2011-06-29 17:18:11 cg Exp $' |
138 | 742 |
! ! |