author | Stefan Vogel <sv@exept.de> |
Sat, 20 Mar 2004 16:43:19 +0100 | |
changeset 4120 | bd779aa2b314 |
parent 3888 | 1e06f949dc58 |
child 4212 | b04d89b5695a |
permissions | -rw-r--r-- |
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parents:
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1 |
" |
267 | 2 |
COPYRIGHT (c) 1995 by Claus Gittinger |
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deltaTime arg in mouseWheelMotion
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3 |
All Rights Reserved |
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parents:
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4 |
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parents:
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5 |
This software is furnished under a license and may be used |
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parents:
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|
6 |
only in accordance with the terms of that license and with the |
fc9ecf4814a0
use another (synchronous) type of sensor while in a modal debugger.
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parents:
diff
changeset
|
7 |
inclusion of the above copyright notice. This software may not |
fc9ecf4814a0
use another (synchronous) type of sensor while in a modal debugger.
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parents:
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8 |
be provided or otherwise made available to, or used by, any |
fc9ecf4814a0
use another (synchronous) type of sensor while in a modal debugger.
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parents:
diff
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|
9 |
other person. No title to or ownership of the software is |
fc9ecf4814a0
use another (synchronous) type of sensor while in a modal debugger.
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parents:
diff
changeset
|
10 |
hereby transferred. |
fc9ecf4814a0
use another (synchronous) type of sensor while in a modal debugger.
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parents:
diff
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11 |
" |
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"{ Package: 'stx:libview' }" |
14 |
||
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WindowSensor subclass:#SynchronousWindowSensor |
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instanceVariableNames:'' |
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classVariableNames:'' |
18 |
poolDictionaries:'' |
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category:'Interface-Support' |
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! |
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parents:
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!SynchronousWindowSensor class methodsFor:'documentation'! |
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|
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parents:
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24 |
copyright |
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parents:
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25 |
" |
267 | 26 |
COPYRIGHT (c) 1995 by Claus Gittinger |
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deltaTime arg in mouseWheelMotion
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27 |
All Rights Reserved |
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parents:
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28 |
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parents:
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29 |
This software is furnished under a license and may be used |
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use another (synchronous) type of sensor while in a modal debugger.
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parents:
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|
30 |
only in accordance with the terms of that license and with the |
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use another (synchronous) type of sensor while in a modal debugger.
Claus Gittinger <cg@exept.de>
parents:
diff
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|
31 |
inclusion of the above copyright notice. This software may not |
fc9ecf4814a0
use another (synchronous) type of sensor while in a modal debugger.
Claus Gittinger <cg@exept.de>
parents:
diff
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|
32 |
be provided or otherwise made available to, or used by, any |
fc9ecf4814a0
use another (synchronous) type of sensor while in a modal debugger.
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
33 |
other person. No title to or ownership of the software is |
fc9ecf4814a0
use another (synchronous) type of sensor while in a modal debugger.
Claus Gittinger <cg@exept.de>
parents:
diff
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34 |
hereby transferred. |
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use another (synchronous) type of sensor while in a modal debugger.
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parents:
diff
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35 |
" |
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use another (synchronous) type of sensor while in a modal debugger.
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parents:
diff
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36 |
! |
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parents:
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37 |
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parents:
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38 |
documentation |
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" |
3888 | 40 |
These sensors are not used with regular views. |
41 |
||
42 |
In contrast to a regular windowSensor, instances of SynchronousWindowSensor |
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do NOT put events into a queue and do NOT wakeup any windowGroup process. |
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Instead, the underlying view is notified synchronously (via a message send) |
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immediately about the event. |
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SynchronousWindowSensor are used for only one single situation: |
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when a super-modal debugger is open |
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(i.e. one that is debugging the scheduler or event-dispatcher). |
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This debugger's windowGroup is augmented with a synchronous Sensor, in order |
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to prevent the event handling code from suspending any process |
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(you cannot suspend the scheduler; you should not suspend the event dispatcher). |
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This is pretty tricky and magic - and you dont have to understand this. |
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(consider this system internal code) |
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[author:] |
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Claus Gittinger |
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" |
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parents:
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61 |
! ! |
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!SynchronousWindowSensor methodsFor:'dummy event flushing'! |
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compressKeyPressEventsWithKey:aKey |
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^ 0 |
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! |
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flushEventsFor:aViewOrNil inQueue:anEventQueue where:aCondition |
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^ nil |
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! ! |
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!SynchronousWindowSensor methodsFor:'event processing'! |
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addDamage:aRectangle view:aView wakeup:doWakeup |
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"forward as an expose for some view" |
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aView |
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dispatchEvent:#exposeX:y:width:height: |
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arguments:(Array with:aRectangle left |
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with:aRectangle top |
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with:aRectangle width |
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with:aRectangle height) |
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! |
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buttonMotion:buttonAndModifierState x:x y:y view:aView |
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"forward a button-motion for some view" |
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|buttonState ev| |
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"/ in the following, we are only interested in the buttons (i.e. mask out the modifiers) |
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buttonState := buttonAndModifierState bitAnd:(aView device anyButtonStateMask). |
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ev := WindowEvent buttonMotion:buttonState x:x y:y view:aView. |
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self sendEvent:ev to:aView. |
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! |
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buttonMultiPress:button x:x y:y view:aView |
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"forward a button-multi-press event for some view" |
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|ev| |
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ev := WindowEvent buttonMultiPress:button x:x y:y view:aView. |
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self sendEvent:ev to:aView. |
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"Created: / 24.11.1995 / 19:14:14 / cg" |
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"Modified: / 20.5.1998 / 22:56:07 / cg" |
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! |
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109 |
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buttonPress:button x:x y:y view:aView |
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"forward a button-press event for some view" |
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|ev| |
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ev := WindowEvent buttonPress:button x:x y:y view:aView. |
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self sendEvent:ev to:aView. |
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! |
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buttonRelease:button x:x y:y view:aView |
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"forward a button-release event for some view" |
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|ev| |
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ev := WindowEvent buttonRelease:button x:x y:y view:aView. |
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self sendEvent:ev to:aView. |
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! |
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configureX:x y:y width:w height:h view:aView |
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"forward a configure for some view" |
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|ev| |
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ev := WindowEvent configureX:x y:y width:w height:h view:aView. |
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aView dispatchEvent:ev |
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! |
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exposeX:x y:y width:w height:h view:aView |
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"forward an expose for some view" |
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ignoreExposeEvents ~~ true ifTrue:[ |
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aView |
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dispatchEvent:#exposeX:y:width:height: |
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arguments:(Array with:x with:y with:w with:h) |
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] |
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! |
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graphicsExposeX:x y:y width:w height:h final:final view:aView |
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"forward a graphic expose for some view" |
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"/ this is a possible response to a scroll operation |
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"/ (if an expose is pending) |
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final ifTrue:[ |
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(catchExpose includes:aView) ifTrue:[ |
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gotExpose add:aView. |
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] |
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]. |
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aView |
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160 |
dispatchEvent:#graphicsExposeX:y:width:height:final: |
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161 |
arguments:(Array with:x with:y with:w with:h with:final) |
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162 |
|
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163 |
"Created: / 24.11.1995 / 19:16:38 / cg" |
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164 |
"Modified: / 20.5.1998 / 22:57:32 / cg" |
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165 |
! |
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166 |
|
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167 |
keyPress:untranslatedKey x:x y:y view:aView |
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168 |
"forward a key-press event for some view" |
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|
3680 | 170 |
|xlatedKey ev| |
264
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171 |
|
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self key:untranslatedKey state:true. |
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|
2141 | 174 |
xlatedKey := aView graphicsDevice translateKey:untranslatedKey forView:aView. |
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xlatedKey notNil ifTrue:[ |
3680 | 176 |
ev := WindowEvent |
177 |
keyPress:xlatedKey |
|
178 |
rawKey:untranslatedKey |
|
179 |
hasShift:shiftDown ctrl:ctrlDown alt:altDown meta:metaDown |
|
180 |
button1:leftButtonDown button2:middleButtonDown button3:rightButtonDown |
|
181 |
x:x y:y view:aView. |
|
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|
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self sendEvent:ev to:aView. |
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184 |
] |
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185 |
|
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186 |
"Created: / 24.11.1995 / 19:17:23 / cg" |
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187 |
"Modified: / 20.5.1998 / 22:57:52 / cg" |
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188 |
! |
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189 |
|
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keyRelease:untranslatedKey x:x y:y view:aView |
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191 |
"forward a key-release event for some view" |
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192 |
|
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|xlatedKey ev| |
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194 |
|
266
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195 |
self key:untranslatedKey state:false. |
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196 |
|
2141 | 197 |
xlatedKey := aView graphicsDevice translateKey:untranslatedKey forView:aView. |
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198 |
xlatedKey notNil ifTrue:[ |
3680 | 199 |
ev := WindowEvent |
200 |
keyRelease:xlatedKey |
|
201 |
rawKey:untranslatedKey |
|
202 |
hasShift:shiftDown ctrl:ctrlDown alt:altDown meta:metaDown |
|
203 |
button1:leftButtonDown button2:middleButtonDown button3:rightButtonDown |
|
204 |
x:x y:y view:aView. |
|
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205 |
|
3680 | 206 |
self sendEvent:ev to:aView. |
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207 |
] |
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208 |
|
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209 |
"Created: / 24.11.1995 / 19:17:50 / cg" |
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210 |
"Modified: / 20.5.1998 / 22:58:05 / cg" |
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211 |
! |
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|
212 |
|
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pass x/y with mouseWheel event
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|
213 |
mouseWheelMotion:buttonState x:x y:y amount:amount deltaTime:dTime view:aView |
2699 | 214 |
"forward a wheel-motion for some view" |
215 |
||
3680 | 216 |
|ev| |
217 |
||
218 |
ev := WindowEvent mouseWheelMotion:buttonState x:x y:y amount:amount deltaTime:dTime view:aView. |
|
219 |
self sendEvent:ev to:aView. |
|
2699 | 220 |
|
221 |
"Created: / 21.5.1999 / 13:07:51 / cg" |
|
222 |
! |
|
223 |
||
264
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|
224 |
noExposeView:aView |
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|
225 |
"forward a noExpose event for some view" |
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226 |
|
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227 |
catchExpose isNil ifTrue:[ |
2718
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|
228 |
'SWSensor [info]: noExpose but not catching' infoPrintCR. |
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|
229 |
]. |
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|
230 |
|
1299 | 231 |
(catchExpose includes:aView) ifTrue:[ |
2718
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|
232 |
gotExpose add:aView. |
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|
233 |
catchExpose remove:aView. |
1299 | 234 |
]. |
264
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|
235 |
aView noExpose. |
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|
236 |
|
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|
237 |
"Created: 24.11.1995 / 19:18:10 / cg" |
1299 | 238 |
"Modified: 29.1.1997 / 20:46:47 / cg" |
264
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|
239 |
! |
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|
240 |
|
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|
241 |
pointerEnter:buttonState x:x y:y view:aView |
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|
242 |
"forward a pointer enter for some view" |
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|
243 |
|
3680 | 244 |
|ev| |
264
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|
245 |
|
3680 | 246 |
ev := WindowEvent pointerEnter:buttonState x:x y:y view:aView. |
247 |
aView dispatchEvent:ev |
|
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|
248 |
|
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|
249 |
"Created: / 24.11.1995 / 19:18:20 / cg" |
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|
250 |
"Modified: / 20.5.1998 / 22:58:20 / cg" |
264
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|
251 |
! |
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|
252 |
|
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|
253 |
pointerLeave:buttonState view:aView |
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|
254 |
"forward a pointer leave for some view" |
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|
255 |
|
3680 | 256 |
|ev| |
264
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|
257 |
|
3680 | 258 |
ev := WindowEvent pointerLeave:buttonState view:aView. |
259 |
aView dispatchEvent:ev |
|
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|
260 |
|
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|
261 |
"Created: / 24.11.1995 / 19:18:30 / cg" |
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|
262 |
"Modified: / 20.5.1998 / 22:58:35 / cg" |
264
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|
263 |
! |
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|
264 |
|
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|
265 |
saveAndTerminateView:aView |
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parents:
diff
changeset
|
266 |
"forward a saveAndTerminate event for some view" |
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changeset
|
267 |
|
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|
268 |
aView saveAndTerminate |
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|
269 |
|
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|
270 |
"Created: 24.11.1995 / 19:18:38 / cg" |
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|
271 |
! |
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changeset
|
272 |
|
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|
273 |
terminateView:aView |
fc9ecf4814a0
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parents:
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changeset
|
274 |
"forward a terminate event for some view" |
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changeset
|
275 |
|
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changeset
|
276 |
aView terminate |
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changeset
|
277 |
|
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changeset
|
278 |
"Created: 24.11.1995 / 19:18:48 / cg" |
3888 | 279 |
! ! |
280 |
||
281 |
!SynchronousWindowSensor methodsFor:'event processing-private'! |
|
282 |
||
283 |
pushDamageEvent:ev |
|
284 |
self sendEvent:ev to:ev view |
|
264
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changeset
|
285 |
! |
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parents:
diff
changeset
|
286 |
|
3888 | 287 |
pushUserEvent:selector for:anyObject withArguments:argList |
288 |
^ anyObject perform:selector withArguments:argList. |
|
264
fc9ecf4814a0
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|
289 |
! ! |
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changeset
|
290 |
|
3680 | 291 |
!SynchronousWindowSensor methodsFor:'private'! |
292 |
||
293 |
sendEvent:anEvent to:aView |
|
3858
ecbaa5d75c70
Use SynchronousWindowSensor if no windowGroup
Stefan Vogel <sv@exept.de>
parents:
3680
diff
changeset
|
294 |
WindowGroup lastEventQuerySignal answer:anEvent do:[ |
3680 | 295 |
aView dispatchEvent:anEvent |
296 |
]. |
|
297 |
! ! |
|
298 |
||
264
fc9ecf4814a0
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|
299 |
!SynchronousWindowSensor methodsFor:'specials'! |
fc9ecf4814a0
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changeset
|
300 |
|
1243
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hopefully fixed the 'lost expose' bug
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changeset
|
301 |
catchExposeFor:aView |
264
fc9ecf4814a0
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parents:
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changeset
|
302 |
"start catching noExpose events (must be done BEFORE a bitblt)." |
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parents:
diff
changeset
|
303 |
|
1299 | 304 |
catchExpose notEmpty ifTrue:[ |
2718
85d77ac33019
deltaTime arg in mouseWheelMotion
Claus Gittinger <cg@exept.de>
parents:
2699
diff
changeset
|
305 |
'SWSensor [warning]: already catching in catchExpose' errorPrintCR. |
1243
0c33cb7f8458
hopefully fixed the 'lost expose' bug
Claus Gittinger <cg@exept.de>
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changeset
|
306 |
]. |
0c33cb7f8458
hopefully fixed the 'lost expose' bug
Claus Gittinger <cg@exept.de>
parents:
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diff
changeset
|
307 |
|
1299 | 308 |
gotOtherEvent remove:aView ifAbsent:nil. |
309 |
gotExpose remove:aView ifAbsent:nil. |
|
310 |
catchExpose add:aView. |
|
264
fc9ecf4814a0
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Claus Gittinger <cg@exept.de>
parents:
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changeset
|
311 |
|
1299 | 312 |
"Modified: 29.1.1997 / 20:43:44 / cg" |
264
fc9ecf4814a0
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changeset
|
313 |
! |
fc9ecf4814a0
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changeset
|
314 |
|
fc9ecf4814a0
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Claus Gittinger <cg@exept.de>
parents:
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changeset
|
315 |
waitForExposeFor:aView |
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"wait until a graphicsExpose or a noExpose arrives (after a bitblt)." |
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|device windowId stopPoll endPollTime| |
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319 |
|
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device := aView graphicsDevice. |
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321 |
|
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"/ this is only needed for X ... |
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device scrollsAsynchronous ifTrue:[ |
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windowId := aView id. |
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325 |
|
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326 |
"/ |
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327 |
"/ cannot suspend, I am a synchronous-modal sensor |
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"/ must poll for the event |
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329 |
"/ |
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330 |
endPollTime := Timestamp now addSeconds:10. |
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stopPoll := false. |
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332 |
|
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[(gotExpose includes:aView) or:[stopPoll]] whileFalse:[ |
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(device exposeEventPendingFor:windowId withSync:true) ifTrue:[ |
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device dispatchExposeEventFor:windowId. |
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336 |
]. |
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337 |
stopPoll := Timestamp now > endPollTime. |
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338 |
Processor yield. |
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339 |
]. |
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340 |
|
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341 |
stopPoll ifTrue:[ |
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342 |
'SyncWindowSensor [warning]: lost expose event' errorPrintCR. |
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343 |
] |
264
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344 |
]. |
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345 |
|
1299 | 346 |
catchExpose remove:aView ifAbsent:nil. |
347 |
gotExpose remove:aView ifAbsent:nil. |
|
264
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348 |
|
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349 |
"Modified: 19.8.1997 / 17:25:09 / cg" |
264
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350 |
! ! |
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351 |
|
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352 |
!SynchronousWindowSensor class methodsFor:'documentation'! |
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353 |
|
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354 |
version |
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355 |
^ '$Header: /cvs/stx/stx/libview/SynchronousWindowSensor.st,v 1.26 2004-03-20 15:42:56 stefan Exp $' |
615 | 356 |
! ! |