author | Claus Gittinger <cg@exept.de> |
Sat, 31 Aug 2013 13:57:48 +0200 | |
changeset 3219 | eca34010e99b |
parent 3197 | 5924a1d75db3 |
child 3227 | 4c3a5cca2b9e |
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:'Debugging' |
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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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" |
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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 displays 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 at the bottom of its main window. |
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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:'accessing'! |
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debugging |
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^ Debugging ? false |
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"Modified: / 22-12-2011 / 10:46:30 / cg" |
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! |
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debugging:something |
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Debugging := something. |
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" |
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self debugging:true |
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self debugging:false |
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" |
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"Modified (comment): / 22-12-2011 / 10:43:32 / cg" |
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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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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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|
300 |
TheOneAndOnlyHelpListener := self new. |
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
301 |
]. |
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
302 |
TheOneAndOnlyHelpListener listenFor:anApplicationOrTopView |
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 |
"Modified: / 26.10.1997 / 23:17:05 / cg" |
59 | 305 |
! |
306 |
||
307 |
stop |
|
719
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
308 |
"stop activeHelp for all (except for individual apps)" |
233 | 309 |
|
59 | 310 |
TheOneAndOnlyHelpListener notNil ifTrue:[ |
2391 | 311 |
TheOneAndOnlyHelpListener stop. |
1535
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
312 |
TheOneAndOnlyHelpListener := nil. |
59 | 313 |
]. |
314 |
||
315 |
" |
|
316 |
ActiveHelp stop |
|
1543 | 317 |
FlyByHelp stop |
59 | 318 |
" |
233 | 319 |
|
719
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
320 |
"Modified: / 26.10.1997 / 23:18:58 / cg" |
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
321 |
! |
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
322 |
|
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
323 |
stopFor:anAppOrTopView |
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
324 |
"stop activeHelp for a single app" |
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
325 |
|
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
326 |
TheOneAndOnlyHelpListener notNil ifTrue:[ |
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
327 |
TheOneAndOnlyHelpListener unlistenFor:anAppOrTopView. |
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
328 |
]. |
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
329 |
|
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
330 |
"Modified: / 26.10.1997 / 23:12:55 / cg" |
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
331 |
"Created: / 26.10.1997 / 23:18:41 / cg" |
138 | 332 |
! ! |
333 |
||
338
071f92621e3b
oops - catching the terminateSignal is no good idea
Claus Gittinger <cg@exept.de>
parents:
330
diff
changeset
|
334 |
!ActiveHelp class methodsFor:'times'! |
138 | 335 |
|
336 |
delayTime:numberOfSeconds |
|
337 |
"set the delay (the time, the cursor has to be in the view |
|
338 |
before help is shown). The default is 2 seconds." |
|
339 |
||
340 |
DelayTime := numberOfSeconds |
|
341 |
||
342 |
" |
|
343 |
ActiveHelp delayTime:0.5 |
|
344 |
ActiveHelp delayTime:2 |
|
345 |
ActiveHelp delayTime:10 |
|
346 |
" |
|
59 | 347 |
! |
348 |
||
138 | 349 |
showTime:numberOfSeconds |
350 |
"set the number of seconds, a help messages is to be shown. |
|
2879 | 351 |
The default is 30 seconds." |
138 | 352 |
|
353 |
ShowTime := numberOfSeconds |
|
354 |
||
355 |
" |
|
356 |
ActiveHelp showTime:10 |
|
357 |
ActiveHelp showTime:99999 |
|
358 |
ActiveHelp showTime:30 |
|
359 |
" |
|
2879 | 360 |
|
361 |
"Modified: / 10-11-2010 / 12:29:40 / cg" |
|
138 | 362 |
! ! |
363 |
||
2391 | 364 |
!ActiveHelp methodsFor:'event handling'! |
138 | 365 |
|
2473 | 366 |
buttonMotion:buttonAndModifierState x:x y:y view:aView |
1657 | 367 |
"handle motion events - prepare to show help" |
233 | 368 |
|
2782 | 369 |
|realViewUnderCursor realP| |
370 |
||
2473 | 371 |
buttonAndModifierState == 0 ifTrue:[ |
2783
cb3420e40ed1
changed: #buttonMotion:x:y:view:
Claus Gittinger <cg@exept.de>
parents:
2782
diff
changeset
|
372 |
"/ realViewUnderCursor := aView device viewFromPoint:(aView pointerPosition). |
cb3420e40ed1
changed: #buttonMotion:x:y:view:
Claus Gittinger <cg@exept.de>
parents:
2782
diff
changeset
|
373 |
"/ 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
|
374 |
"/ self handleMouseIn:realViewUnderCursor x:realP x y:realP y. |
cb3420e40ed1
changed: #buttonMotion:x:y:view:
Claus Gittinger <cg@exept.de>
parents:
2782
diff
changeset
|
375 |
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
|
376 |
]. |
138 | 377 |
^ false |
378 |
! |
|
379 |
||
1591 | 380 |
keyPress:key x:x y:y view:view |
1535
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
381 |
"unconditionally hide the help view" |
233 | 382 |
|
1535
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
383 |
self hideHelpIgnoringErrors. |
138 | 384 |
^ false |
233 | 385 |
|
386 |
"Modified: 27.4.1996 / 15:09:57 / cg" |
|
138 | 387 |
! |
388 |
||
389 |
pointerEnter:state x:x y:y view:aView |
|
1657 | 390 |
"handle pointer entering a view; prepare to show help" |
233 | 391 |
|
1948
33eb423a6fd3
only act when no mouse-button is pressed
Claus Gittinger <cg@exept.de>
parents:
1909
diff
changeset
|
392 |
state == 0 ifTrue:[ |
33eb423a6fd3
only act when no mouse-button is pressed
Claus Gittinger <cg@exept.de>
parents:
1909
diff
changeset
|
393 |
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
|
394 |
]. |
1657 | 395 |
^ false |
138 | 396 |
! |
397 |
||
2371
4ab6c8c7bc03
flush enqueued help-activation event when we leave a view
Claus Gittinger <cg@exept.de>
parents:
2130
diff
changeset
|
398 |
pointerLeave:state view:aView |
233 | 399 |
"handle pointer leaving a view; hide help text" |
400 |
||
2371
4ab6c8c7bc03
flush enqueued help-activation event when we leave a view
Claus Gittinger <cg@exept.de>
parents:
2130
diff
changeset
|
401 |
|sensor| |
4ab6c8c7bc03
flush enqueued help-activation event when we leave a view
Claus Gittinger <cg@exept.de>
parents:
2130
diff
changeset
|
402 |
|
4ab6c8c7bc03
flush enqueued help-activation event when we leave a view
Claus Gittinger <cg@exept.de>
parents:
2130
diff
changeset
|
403 |
sensor := aView sensor. |
4ab6c8c7bc03
flush enqueued help-activation event when we leave a view
Claus Gittinger <cg@exept.de>
parents:
2130
diff
changeset
|
404 |
sensor notNil ifTrue:[ |
4ab6c8c7bc03
flush enqueued help-activation event when we leave a view
Claus Gittinger <cg@exept.de>
parents:
2130
diff
changeset
|
405 |
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
|
406 |
]. |
1535
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
407 |
self hideHelpIgnoringErrors. |
138 | 408 |
^ false |
2914
18cff2d0daff
change to only expect one single method to be (re)defined:
Claus Gittinger <cg@exept.de>
parents:
2879
diff
changeset
|
409 |
! |
18cff2d0daff
change to only expect one single method to be (re)defined:
Claus Gittinger <cg@exept.de>
parents:
2879
diff
changeset
|
410 |
|
18cff2d0daff
change to only expect one single method to be (re)defined:
Claus Gittinger <cg@exept.de>
parents:
2879
diff
changeset
|
411 |
processEvent:ev |
18cff2d0daff
change to only expect one single method to be (re)defined:
Claus Gittinger <cg@exept.de>
parents:
2879
diff
changeset
|
412 |
(ev isPointerEnterLeaveEvent |
18cff2d0daff
change to only expect one single method to be (re)defined:
Claus Gittinger <cg@exept.de>
parents:
2879
diff
changeset
|
413 |
or:[ ev isButtonEvent |
18cff2d0daff
change to only expect one single method to be (re)defined:
Claus Gittinger <cg@exept.de>
parents:
2879
diff
changeset
|
414 |
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
|
415 |
^ ev dispatchWithViewArgumentTo:self |
18cff2d0daff
change to only expect one single method to be (re)defined:
Claus Gittinger <cg@exept.de>
parents:
2879
diff
changeset
|
416 |
]. |
18cff2d0daff
change to only expect one single method to be (re)defined:
Claus Gittinger <cg@exept.de>
parents:
2879
diff
changeset
|
417 |
^ false |
18cff2d0daff
change to only expect one single method to be (re)defined:
Claus Gittinger <cg@exept.de>
parents:
2879
diff
changeset
|
418 |
|
18cff2d0daff
change to only expect one single method to be (re)defined:
Claus Gittinger <cg@exept.de>
parents:
2879
diff
changeset
|
419 |
"Created: / 29-06-2011 / 18:22:43 / cg" |
59 | 420 |
! ! |
421 |
||
2391 | 422 |
!ActiveHelp methodsFor:'help texts'! |
59 | 423 |
|
2130 | 424 |
helpTextFor:aView at:aDevicePointOrNil |
233 | 425 |
"retrieve helptext for aView as a string; |
100 | 426 |
walk along the views superView chain, |
427 |
asking models and views encountered while walking. |
|
428 |
The first one who understands and returns a nonNil answer to the |
|
233 | 429 |
#helpTextFor:at: or #helpTextFor: message ends this search and the |
100 | 430 |
returned string is returned." |
431 |
||
2130 | 432 |
|model app1 app2 text v sv topView domainPointOrNil| |
59 | 433 |
|
2130 | 434 |
aView transformation notNil ifTrue:[ |
435 |
domainPointOrNil := aView transformation applyInverseTo:aDevicePointOrNil. |
|
436 |
] ifFalse:[ |
|
437 |
domainPointOrNil := aDevicePointOrNil. |
|
438 |
]. |
|
439 |
||
440 |
text := self helpTextFromView:aView at:domainPointOrNil. |
|
2076 | 441 |
text notNil ifTrue:[ ^ text ]. |
442 |
||
1549
1b5274878f87
care for oldStyle views (StdSysViews)
Claus Gittinger <cg@exept.de>
parents:
1543
diff
changeset
|
443 |
((aView respondsTo:#application) |
1b5274878f87
care for oldStyle views (StdSysViews)
Claus Gittinger <cg@exept.de>
parents:
1543
diff
changeset
|
444 |
and:[ (app1 := aView application) notNil ]) ifTrue:[ |
2130 | 445 |
text := self helpTextFromModel:app1 view:aView at:domainPointOrNil. |
1549
1b5274878f87
care for oldStyle views (StdSysViews)
Claus Gittinger <cg@exept.de>
parents:
1543
diff
changeset
|
446 |
text notNil ifTrue:[ ^ text ]. |
1b5274878f87
care for oldStyle views (StdSysViews)
Claus Gittinger <cg@exept.de>
parents:
1543
diff
changeset
|
447 |
] ifFalse:[ |
1b5274878f87
care for oldStyle views (StdSysViews)
Claus Gittinger <cg@exept.de>
parents:
1543
diff
changeset
|
448 |
"/ old style (i.e. StandardSystemView ...) |
1b5274878f87
care for oldStyle views (StdSysViews)
Claus Gittinger <cg@exept.de>
parents:
1543
diff
changeset
|
449 |
topView := aView topView. |
1b5274878f87
care for oldStyle views (StdSysViews)
Claus Gittinger <cg@exept.de>
parents:
1543
diff
changeset
|
450 |
(topView notNil and:[topView ~~ aView]) ifTrue:[ |
2130 | 451 |
text := self helpTextFromModel:topView view:aView at:domainPointOrNil. |
1535
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
452 |
text notNil ifTrue:[ ^ text ]. |
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
453 |
] |
59 | 454 |
]. |
1549
1b5274878f87
care for oldStyle views (StdSysViews)
Claus Gittinger <cg@exept.de>
parents:
1543
diff
changeset
|
455 |
|
1535
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
456 |
(model := aView model) notNil ifTrue:[ |
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
457 |
model ~~ app1 ifTrue:[ |
2130 | 458 |
text := self helpTextFromModel:model view:aView at:domainPointOrNil. |
1535
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
459 |
text notNil ifTrue:[ ^ text ]. |
1502 | 460 |
]. |
1011
53514f2c18a7
also ask for helpTextAt:, when a motionEvent arrives.
Claus Gittinger <cg@exept.de>
parents:
728
diff
changeset
|
461 |
]. |
2130 | 462 |
text := self helpTextFromView:aView at:domainPointOrNil. |
1535
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
463 |
text notNil ifTrue:[ ^ text ]. |
59 | 464 |
|
465 |
"walk up the chain - maybe someone knows about its subview ..." |
|
466 |
v := aView. |
|
1502 | 467 |
[ |
468 |
(sv := v container) notNil |
|
469 |
] whileTrue:[ |
|
1535
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
470 |
(model := sv model) notNil ifTrue:[ |
2130 | 471 |
text := self helpTextFromModel:model view:aView at:domainPointOrNil. |
1502 | 472 |
text notNil ifTrue:[ ^ text ]. |
1535
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
473 |
]. |
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
474 |
text := self helpTextFromView:sv at:nil. |
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
475 |
text notNil ifTrue:[ ^ text ]. |
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
476 |
v := sv |
602 | 477 |
]. |
1535
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
478 |
|
100 | 479 |
(v notNil and:[v respondsTo:#application]) ifTrue:[ |
1535
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
480 |
(app2 := v application) notNil ifTrue:[ |
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
481 |
(app2 ~~ app1) ifTrue:[ |
2130 | 482 |
text := self helpTextFromModel:app2 view:aView at:domainPointOrNil. |
1535
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
483 |
text notNil ifTrue:[ ^ text ]. |
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
484 |
] |
233 | 485 |
] |
100 | 486 |
]. |
487 |
(v notNil and:[v respondsTo:#model]) ifTrue:[ |
|
233 | 488 |
(model := v model) notNil ifTrue:[ |
2130 | 489 |
text := self helpTextFromModel:model view:aView at:domainPointOrNil. |
1502 | 490 |
text notNil ifTrue:[ ^ text ]. |
233 | 491 |
] |
100 | 492 |
]. |
59 | 493 |
^ nil |
100 | 494 |
|
728 | 495 |
"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
|
496 |
"Modified: / 28.7.1998 / 01:47:27 / cg" |
100 | 497 |
! |
498 |
||
1535
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
499 |
helpTextFromModel:aModel view:aView at:aPointOrNil |
1502 | 500 |
"helper: ask aModel for its helpText." |
501 |
||
1996 | 502 |
|text text2| |
1502 | 503 |
|
1535
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
504 |
aPointOrNil notNil ifTrue:[ |
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
505 |
(aModel respondsTo:#helpTextFor:at:) ifTrue:[ |
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
506 |
text := aModel helpTextFor:aView at:aPointOrNil. |
2076 | 507 |
text notNil ifTrue:[^ text]. |
1535
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
508 |
]. |
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
509 |
]. |
2076 | 510 |
(aModel respondsTo:#helpTextFor:) ifTrue:[ |
511 |
text := aModel helpTextFor:aView. |
|
2685
9b6fd90dc9e2
changed #helpTextFromModel:view:at:
Claus Gittinger <cg@exept.de>
parents:
2473
diff
changeset
|
512 |
"/ cg: I dont understand this... |
9b6fd90dc9e2
changed #helpTextFromModel:view:at:
Claus Gittinger <cg@exept.de>
parents:
2473
diff
changeset
|
513 |
"/ text notNil ifTrue:[ |
9b6fd90dc9e2
changed #helpTextFromModel:view:at:
Claus Gittinger <cg@exept.de>
parents:
2473
diff
changeset
|
514 |
"/ text2 := self helpTextFromView:aView at:aPointOrNil. |
9b6fd90dc9e2
changed #helpTextFromModel:view:at:
Claus Gittinger <cg@exept.de>
parents:
2473
diff
changeset
|
515 |
"/ text2 notNil ifTrue:[ ^ text2 ]. |
9b6fd90dc9e2
changed #helpTextFromModel:view:at:
Claus Gittinger <cg@exept.de>
parents:
2473
diff
changeset
|
516 |
"/ ]. |
1502 | 517 |
]. |
1535
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
518 |
^ text |
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
519 |
! |
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
520 |
|
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
521 |
helpTextFromView:aView at:aPointOrNil |
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
522 |
"helper: ask aView for its helpText." |
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
523 |
|
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
524 |
|text| |
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
525 |
|
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
526 |
aPointOrNil notNil ifTrue:[ |
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
527 |
(aView respondsTo:#helpTextAt:) ifTrue:[ |
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
528 |
text := aView helpTextAt:aPointOrNil. |
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
529 |
]. |
1502 | 530 |
]. |
1535
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
531 |
text isNil ifTrue:[ |
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
532 |
(aView respondsTo:#helpText) ifTrue:[ |
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
533 |
text := aView helpText. |
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
534 |
]. |
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
535 |
]. |
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
536 |
^ text. |
2391 | 537 |
! ! |
538 |
||
539 |
!ActiveHelp methodsFor:'private'! |
|
1502 | 540 |
|
2914
18cff2d0daff
change to only expect one single method to be (re)defined:
Claus Gittinger <cg@exept.de>
parents:
2879
diff
changeset
|
541 |
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
|
542 |
"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
|
543 |
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
|
544 |
|
18cff2d0daff
change to only expect one single method to be (re)defined:
Claus Gittinger <cg@exept.de>
parents:
2879
diff
changeset
|
545 |
(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
|
546 |
|
18cff2d0daff
change to only expect one single method to be (re)defined:
Claus Gittinger <cg@exept.de>
parents:
2879
diff
changeset
|
547 |
Error handle:[:ex | |
18cff2d0daff
change to only expect one single method to be (re)defined:
Claus Gittinger <cg@exept.de>
parents:
2879
diff
changeset
|
548 |
'---------------------' infoPrintCR. |
18cff2d0daff
change to only expect one single method to be (re)defined:
Claus Gittinger <cg@exept.de>
parents:
2879
diff
changeset
|
549 |
ex description infoPrintCR. |
18cff2d0daff
change to only expect one single method to be (re)defined:
Claus Gittinger <cg@exept.de>
parents:
2879
diff
changeset
|
550 |
ex suspendedContext fullPrintAll. |
18cff2d0daff
change to only expect one single method to be (re)defined:
Claus Gittinger <cg@exept.de>
parents:
2879
diff
changeset
|
551 |
ex return |
18cff2d0daff
change to only expect one single method to be (re)defined:
Claus Gittinger <cg@exept.de>
parents:
2879
diff
changeset
|
552 |
] do:[ |
18cff2d0daff
change to only expect one single method to be (re)defined:
Claus Gittinger <cg@exept.de>
parents:
2879
diff
changeset
|
553 |
|sensor| |
18cff2d0daff
change to only expect one single method to be (re)defined:
Claus Gittinger <cg@exept.de>
parents:
2879
diff
changeset
|
554 |
|
18cff2d0daff
change to only expect one single method to be (re)defined:
Claus Gittinger <cg@exept.de>
parents:
2879
diff
changeset
|
555 |
"/ self stopHelpDisplayProcess. |
18cff2d0daff
change to only expect one single method to be (re)defined:
Claus Gittinger <cg@exept.de>
parents:
2879
diff
changeset
|
556 |
self hideIfPointerLeft:aView. |
18cff2d0daff
change to only expect one single method to be (re)defined:
Claus Gittinger <cg@exept.de>
parents:
2879
diff
changeset
|
557 |
|
18cff2d0daff
change to only expect one single method to be (re)defined:
Claus Gittinger <cg@exept.de>
parents:
2879
diff
changeset
|
558 |
"/ 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
|
559 |
(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
|
560 |
^ self |
18cff2d0daff
change to only expect one single method to be (re)defined:
Claus Gittinger <cg@exept.de>
parents:
2879
diff
changeset
|
561 |
]. |
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 |
"/ 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
|
564 |
(self targetViewInitiatesHelpViaSensor |
18cff2d0daff
change to only expect one single method to be (re)defined:
Claus Gittinger <cg@exept.de>
parents:
2879
diff
changeset
|
565 |
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
|
566 |
ifTrue:[ |
18cff2d0daff
change to only expect one single method to be (re)defined:
Claus Gittinger <cg@exept.de>
parents:
2879
diff
changeset
|
567 |
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
|
568 |
sensor |
18cff2d0daff
change to only expect one single method to be (re)defined:
Claus Gittinger <cg@exept.de>
parents:
2879
diff
changeset
|
569 |
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
|
570 |
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
|
571 |
] ifFalse:[ |
18cff2d0daff
change to only expect one single method to be (re)defined:
Claus Gittinger <cg@exept.de>
parents:
2879
diff
changeset
|
572 |
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
|
573 |
] |
18cff2d0daff
change to only expect one single method to be (re)defined:
Claus Gittinger <cg@exept.de>
parents:
2879
diff
changeset
|
574 |
]. |
18cff2d0daff
change to only expect one single method to be (re)defined:
Claus Gittinger <cg@exept.de>
parents:
2879
diff
changeset
|
575 |
! |
18cff2d0daff
change to only expect one single method to be (re)defined:
Claus Gittinger <cg@exept.de>
parents:
2879
diff
changeset
|
576 |
|
138 | 577 |
hideIfPointerLeft:aView |
233 | 578 |
"hide help, if the pointer is not in aView" |
138 | 579 |
! |
580 |
||
719
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
581 |
interestedIn:aView |
1033
3a56ba930052
care for nil view passed to #interestedIn.
Claus Gittinger <cg@exept.de>
parents:
1019
diff
changeset
|
582 |
"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
|
583 |
or in my list of apps)" |
719
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
584 |
|
1106 | 585 |
|app aViewsTopView| |
719
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
586 |
|
1535
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
587 |
aView isNil ifTrue:[^ false]. |
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
588 |
|
719
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
589 |
listeningForAll == true ifTrue:[^ true]. |
1957 | 590 |
applicationsOrTopViewsWithHelp isEmptyOrNil ifTrue:[^ false]. |
1033
3a56ba930052
care for nil view passed to #interestedIn.
Claus Gittinger <cg@exept.de>
parents:
1019
diff
changeset
|
591 |
|
1106 | 592 |
aViewsTopView := aView topView. |
593 |
(applicationsOrTopViewsWithHelp includesIdentical:aViewsTopView) ifTrue:[^ true]. |
|
594 |
app := aViewsTopView application. |
|
719
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
595 |
app notNil ifTrue:[ |
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
596 |
(applicationsOrTopViewsWithHelp includesIdentical:app) ifTrue:[^ true] |
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
597 |
]. |
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
598 |
^ false |
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
599 |
|
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
600 |
"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
|
601 |
"Modified: / 8.8.1998 / 13:36:19 / cg" |
2782 | 602 |
! |
603 |
||
604 |
targetViewInitiatesHelpViaSensor |
|
605 |
"true if the target view is asked to show the help via the sensor; |
|
606 |
false, if I do it myself synchronously." |
|
607 |
||
608 |
^ true |
|
59 | 609 |
! ! |
610 |
||
2391 | 611 |
!ActiveHelp methodsFor:'queries'! |
612 |
||
613 |
delayTime |
|
614 |
^ self class delayTime |
|
615 |
! |
|
616 |
||
617 |
showTime |
|
618 |
^ self class showTime |
|
619 |
! ! |
|
620 |
||
1768 | 621 |
!ActiveHelp methodsFor:'show & hide help'! |
59 | 622 |
|
623 |
hideHelp |
|
1535
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
624 |
"hide the help text - nothing done here" |
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
625 |
! |
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
626 |
|
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
627 |
hideHelpIgnoringErrors |
233 | 628 |
"hide the help text" |
629 |
||
1713
bc8a1d16e60f
Convert Object>>errorSignal -> Error
Stefan Vogel <sv@exept.de>
parents:
1657
diff
changeset
|
630 |
Error handle:[:ex | |
1535
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
631 |
ex description infoPrintCR. |
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
632 |
ex return |
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
633 |
] do:[ |
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
634 |
self hideHelp. |
59 | 635 |
]. |
636 |
! |
|
637 |
||
1535
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
638 |
initiateHelpFor:aView at:aPointOrNil |
634 | 639 |
"ask aView for helpText, passing x/y coordinates; |
640 |
start a timeout process to display this helpText after some delay; |
|
641 |
Normally used internally, but can also be used by widgets to force |
|
642 |
re-negotiation of the displayed helpText |
|
643 |
(for example in a menu, when the selection changes)" |
|
644 |
||
1657 | 645 |
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
|
646 |
|
8be64da7d932
views own help display is done immediately.
Claus Gittinger <cg@exept.de>
parents:
636
diff
changeset
|
647 |
"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
|
648 |
! |
8be64da7d932
views own help display is done immediately.
Claus Gittinger <cg@exept.de>
parents:
636
diff
changeset
|
649 |
|
1535
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
650 |
initiateHelpFor:aView at:aPointOrNil now:showItNow |
637
8be64da7d932
views own help display is done immediately.
Claus Gittinger <cg@exept.de>
parents:
636
diff
changeset
|
651 |
"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
|
652 |
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
|
653 |
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
|
654 |
re-negotiation of the displayed helpText |
8be64da7d932
views own help display is done immediately.
Claus Gittinger <cg@exept.de>
parents:
636
diff
changeset
|
655 |
(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
|
656 |
|
696 | 657 |
|text top app| |
634 | 658 |
|
1143 | 659 |
(self interestedIn:aView) ifFalse:[ |
660 |
^ self |
|
661 |
]. |
|
1535
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
662 |
|
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
663 |
text := self helpTextFor:aView at:aPointOrNil. |
637
8be64da7d932
views own help display is done immediately.
Claus Gittinger <cg@exept.de>
parents:
636
diff
changeset
|
664 |
lastHelpText = text ifTrue:[ |
8be64da7d932
views own help display is done immediately.
Claus Gittinger <cg@exept.de>
parents:
636
diff
changeset
|
665 |
^ self |
8be64da7d932
views own help display is done immediately.
Claus Gittinger <cg@exept.de>
parents:
636
diff
changeset
|
666 |
]. |
8be64da7d932
views own help display is done immediately.
Claus Gittinger <cg@exept.de>
parents:
636
diff
changeset
|
667 |
|
1535
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
668 |
"/ let application show the help |
728 | 669 |
"/ (i.e. in its own information area) |
1535
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
670 |
"/ nil-text is also passed down, to give it a chance |
728 | 671 |
"/ to clean its infoDisplay. |
637
8be64da7d932
views own help display is done immediately.
Claus Gittinger <cg@exept.de>
parents:
636
diff
changeset
|
672 |
|
728 | 673 |
top := aView topView. |
674 |
(app := aView application) notNil ifTrue:[ |
|
1019
862f095da4ac
#showHelp:for: renamed to #showActiveHelp:for:
Claus Gittinger <cg@exept.de>
parents:
1011
diff
changeset
|
675 |
(app showActiveHelp:text for:aView) ifTrue:[ |
728 | 676 |
lastHelpText := text. |
632
844b1aaf3eeb
provide access to the current activeHelp instance
Claus Gittinger <cg@exept.de>
parents:
602
diff
changeset
|
677 |
] |
844b1aaf3eeb
provide access to the current activeHelp instance
Claus Gittinger <cg@exept.de>
parents:
602
diff
changeset
|
678 |
]. |
1535
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
679 |
! |
59 | 680 |
|
1535
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
681 |
stopHelpDisplayProcess |
59 | 682 |
! ! |
683 |
||
719
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
684 |
!ActiveHelp methodsFor:'start & stop'! |
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
685 |
|
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
686 |
listenFor:anAppOrTopView |
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
687 |
"start listening" |
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
688 |
|
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
689 |
applicationsOrTopViewsWithHelp isNil ifTrue:[ |
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
690 |
applicationsOrTopViewsWithHelp := WeakIdentitySet new. |
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
691 |
]. |
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
692 |
applicationsOrTopViewsWithHelp add:anAppOrTopView. |
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
693 |
super listen. |
639 | 694 |
|
719
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
695 |
"Created: / 26.10.1997 / 23:20:47 / cg" |
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
696 |
"Modified: / 26.10.1997 / 23:21:10 / cg" |
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
697 |
! |
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
698 |
|
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
699 |
listenForAll |
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
700 |
"start listening" |
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
701 |
|
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
702 |
listeningForAll := true. |
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
703 |
super listen. |
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
704 |
|
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
705 |
"Modified: / 28.6.1997 / 15:07:02 / cg" |
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
706 |
"Created: / 26.10.1997 / 23:19:30 / cg" |
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
707 |
! |
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
708 |
|
2391 | 709 |
start |
710 |
self listenForAll |
|
711 |
! |
|
712 |
||
713 |
stop |
|
714 |
self unlistenAll |
|
715 |
! |
|
716 |
||
719
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
717 |
unlistenAll |
639 | 718 |
"stop listening" |
719 |
||
720 |
self hideHelp. |
|
1535
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
721 |
|
719
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
722 |
listeningForAll := false. |
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
723 |
applicationsOrTopViewsWithHelp size == 0 ifTrue:[ |
1535
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
724 |
self unlisten. |
719
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
725 |
] |
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
726 |
|
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
727 |
"Created: / 26.10.1997 / 23:14:17 / cg" |
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
728 |
"Modified: / 26.10.1997 / 23:23:04 / cg" |
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
729 |
! |
639 | 730 |
|
719
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
731 |
unlistenFor:anApp |
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
732 |
"stop listening for an app" |
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 |
self hideHelp. |
1535
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
735 |
|
1543 | 736 |
applicationsOrTopViewsWithHelp isNil ifFalse:[ |
737 |
applicationsOrTopViewsWithHelp remove:anApp ifAbsent:nil. |
|
738 |
]. |
|
726 | 739 |
listeningForAll == true ifFalse:[ |
719
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
740 |
applicationsOrTopViewsWithHelp size == 0 ifTrue:[ |
1535
a9fcabccabb3
separated into flyByHelp and activeHelp
Claus Gittinger <cg@exept.de>
parents:
1502
diff
changeset
|
741 |
self unlisten. |
719
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
742 |
] |
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
743 |
] |
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
744 |
|
17fba5c2a167
allow applications to start activeHelp for
Claus Gittinger <cg@exept.de>
parents:
696
diff
changeset
|
745 |
"Created: / 26.10.1997 / 23:22:42 / cg" |
726 | 746 |
"Modified: / 29.10.1997 / 15:48:34 / cg" |
639 | 747 |
! ! |
748 |
||
338
071f92621e3b
oops - catching the terminateSignal is no good idea
Claus Gittinger <cg@exept.de>
parents:
330
diff
changeset
|
749 |
!ActiveHelp class methodsFor:'documentation'! |
138 | 750 |
|
2779
b608ded19ff2
changed: #handleMouseIn:x:y:
Claus Gittinger <cg@exept.de>
parents:
2688
diff
changeset
|
751 |
version_CVS |
3219 | 752 |
^ '$Header: /cvs/stx/stx/libview2/ActiveHelp.st,v 1.72 2013-08-31 11:57:48 cg Exp $' |
138 | 753 |
! ! |
3197 | 754 |