| author | Claus Gittinger <cg@exept.de> |
| Thu, 24 Sep 1998 12:08:08 +0200 | |
| changeset 1897 | 76292e485360 |
| parent 1823 | 6ebeee55f0c4 |
| child 2410 | 292d61292ac8 |
| permissions | -rw-r--r-- |
| 981 | 1 |
SimpleView subclass:#SystemStatusMonitor |
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instanceVariableNames:'listView listUpdateDelay updateDelay updateBlock listUpdateBlock |
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updateProcess' |
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classVariableNames:'' |
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poolDictionaries:'' |
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category:'Monitors-ST/X' |
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! |
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!SystemStatusMonitor class methodsFor:'defaults'! |
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defaultIcon |
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^ StandardSystemView defaultIcon |
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"Created: 23.1.1997 / 02:52:25 / cg" |
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! |
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defaultLabel |
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^ 'Status Monitor' |
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"Created: 23.1.1997 / 02:52:43 / cg" |
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! ! |
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!SystemStatusMonitor class methodsFor:'startup'! |
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isVisualStartable |
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^ self ~~ SystemStatusMonitor |
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"Created: / 10.8.1998 / 16:02:23 / cg" |
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"Modified: / 10.8.1998 / 16:02:41 / cg" |
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! |
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open |
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|top monitor| |
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top := StandardSystemView new. |
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monitor := self origin:0.0@0.0 corner:1.0@1.0 in:top. |
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top extent:monitor preferredExtent. |
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top label:self defaultLabel. |
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top icon:self defaultIcon. |
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top open |
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" |
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ProcessMonitor open |
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" |
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"Created: 23.1.1997 / 02:53:42 / cg" |
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! ! |
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!SystemStatusMonitor methodsFor:'destroying'! |
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destroy |
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updateBlock notNil ifTrue:[ |
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Processor removeTimedBlock:updateBlock. |
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Processor removeTimedBlock:listUpdateBlock. |
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] ifFalse:[ |
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updateProcess notNil ifTrue:[updateProcess terminate] |
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]. |
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super destroy |
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"Created: 23.1.1997 / 02:26:50 / cg" |
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! ! |
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!SystemStatusMonitor methodsFor:'drawing'! |
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updateView |
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self updateList. |
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self updateStatus |
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"Created: 23.1.1997 / 02:27:05 / cg" |
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! ! |
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!SystemStatusMonitor methodsFor:'events'! |
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canHandle:key |
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^ key == #InspectIt |
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"Created: 23.1.1997 / 02:27:15 / cg" |
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! |
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keyPress:key x:x y:y |
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<resource: #keyboard ( #InspectIt ) > |
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key == #InspectIt ifTrue:[ |
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^ self inspectSelection. |
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]. |
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^ super keyPress:key x:x y:y |
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"Modified: 23.1.1997 / 02:27:27 / cg" |
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"Created: 23.1.1997 / 02:27:45 / cg" |
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! ! |
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!SystemStatusMonitor methodsFor:'initialization'! |
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initialize |
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|v| |
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super initialize. |
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v := HVScrollableView for:SelectionInListView miniScrollerH:true in:self. |
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v origin:0.0@0.0 corner:1.0@1.0. |
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listView := v scrolledView. |
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1273
3a8a91e6c5fa
give my listView a fixed font.
Claus Gittinger <cg@exept.de>
parents:
1053
diff
changeset
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listView font:(EditTextView defaultFont). |
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listView menuHolder:self; menuPerformer:self; menuMessage:#statusMenu. |
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listView multipleSelectOk:true. |
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"/ listView toggleSelect:true. |
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listView delegate:(KeyboardForwarder toView:self). |
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listView doubleClickAction:[:line | self doubleClicked]. |
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updateDelay := 0.5. |
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listUpdateDelay := 5. |
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"/ event mode is no longer used; |
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"/ this event support may vanish |
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Processor isPureEventDriven ifTrue:[ |
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updateBlock := [self updateStatus]. |
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listUpdateBlock := [self updateList]. |
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]. |
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" |
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ProcessMonitor open |
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" |
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"Modified: / 5.8.1998 / 13:06:04 / cg" |
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! |
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mapped |
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super mapped. |
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self updateStatus. |
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self updateList. |
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"Created: 23.1.1997 / 02:30:05 / cg" |
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! |
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realize |
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super realize. |
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self startUpdateProcess. |
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"Created: 23.1.1997 / 02:30:28 / cg" |
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! |
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reinitialize |
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updateProcess := nil. |
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super reinitialize. |
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self startUpdateProcess. |
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"Modified: 22.12.1995 / 22:51:14 / cg" |
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"Created: 23.1.1997 / 02:30:43 / cg" |
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! |
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startUpdateProcess |
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updateBlock notNil ifTrue:[ |
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Processor addTimedBlock:updateBlock afterSeconds:updateDelay. |
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Processor addTimedBlock:listUpdateBlock afterSeconds:listUpdateDelay. |
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] ifFalse:[ |
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updateProcess := [ |
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[ |
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|id cnt myDelay| |
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myDelay := Delay forSeconds:0.5. |
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" |
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every 20ms, we look which process runs; |
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every half second, the status is updated. |
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every 5 seconds, the list of processes is |
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built up again |
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" |
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[true] whileTrue:[ |
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1 to:9 do:[:i | |
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"/ cpuUsages := IdentityDictionary new. |
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"/ 1 to:25 do:[:i | |
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"/ (Delay forSeconds:0.02) wait. |
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"/ id := Processor interruptedProcess id. |
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"/ cnt := cpuUsages at:id ifAbsent:[0]. |
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"/ cpuUsages at:id put:cnt + 1. |
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"/ ]. |
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myDelay wait. |
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self updateStatus. |
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]. |
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myDelay wait. |
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self updateList. |
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] |
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] valueOnUnwindDo:[ |
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updateProcess := nil |
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] |
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] forkAt:(Processor userSchedulingPriority + 1). |
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updateProcess name:'monitor [' , |
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Processor activeProcess id printString , |
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'] update'. |
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" |
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raise my own priority |
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" |
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Processor activeProcess priority:(Processor userSchedulingPriority + 2) |
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]. |
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"Created: 23.1.1997 / 02:30:58 / cg" |
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"Modified: 24.1.1997 / 21:40:11 / cg" |
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! ! |
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!SystemStatusMonitor methodsFor:'queries'! |
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preferredExtent |
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"return my preferred extent" |
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^ (font widthOf:self titleLine) + 40 @ 100 |
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"Modified: 23.1.1997 / 02:35:01 / cg" |
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"Created: 23.1.1997 / 02:51:24 / cg" |
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! ! |
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!SystemStatusMonitor class methodsFor:'documentation'! |
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version |
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^ '$Header: /cvs/stx/stx/libtool/SystemStatusMonitor.st,v 1.8 1998-09-24 10:08:08 cg Exp $' |
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! ! |