author | Claus Gittinger <cg@exept.de> |
Wed, 09 May 2018 13:11:29 +0200 | |
changeset 6315 | 1362b6366e09 |
parent 5518 | fc393425a691 |
child 6464 | d3ff7df466f7 |
permissions | -rw-r--r-- |
104 | 1 |
" |
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COPYRIGHT (c) 1995 by Claus Gittinger |
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2179 | 3 |
All Rights Reserved |
104 | 4 |
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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:libwidg' }" |
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"{ NameSpace: Smalltalk }" |
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||
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Controller subclass:#VariablePanelController |
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instanceVariableNames:'movedHandle prevPos clickPos saveCursor startResizing resizeMode |
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opaqueResizing' |
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classVariableNames:'' |
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poolDictionaries:'' |
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category:'Interface-Support-Controllers' |
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! |
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||
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!VariablePanelController class methodsFor:'documentation'! |
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||
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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 |
104 | 30 |
|
31 |
This software is furnished under a license and may be used |
|
32 |
only in accordance with the terms of that license and with the |
|
33 |
inclusion of the above copyright notice. This software may not |
|
34 |
be provided or otherwise made available to, or used by, any |
|
35 |
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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! |
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||
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documentation |
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" |
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An abstract class for variablePanel controllers; |
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normally, not used directly by applications, these are created automatically |
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whenever a variablePanel is created. |
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Instances are responsible for tracking the mouse pointer and resize the |
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views (a panel) subviews as appropriate. |
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[author:] |
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Claus Gittinger |
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" |
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! ! |
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||
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!VariablePanelController methodsFor:'event handling'! |
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||
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buttonMotion:state x:bx y:by |
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"mouse-button was moved while pressed; |
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clear prev handleBar and draw handle bar at new position |
61 |
" |
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|nextPos layout entered handle| |
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state == 0 ifTrue:[ |
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movedHandle notNil ifTrue:[ |
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"/ oops - how can this happen |
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self buttonRelease:1 x:bx y:bx. |
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movedHandle := nil |
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]. |
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view snapMode isNil ifTrue:[^ self]. |
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handle := self detectHandleIndexAt:bx y:by. |
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handle isNil ifTrue:[^ self]. |
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"check entering click button ...." |
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layout := view snapLayoutAt:handle. |
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entered := layout notNil and:[layout containsPointX:bx y:by]. |
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entered ~~ (self isSnapEntered) ifTrue:[ |
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entered ifTrue:[ |
82 |
saveCursor := view cursor. |
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view cursor:(Cursor hand). |
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] ifFalse:[ |
85 |
view cursor:saveCursor. |
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saveCursor := nil. |
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]. |
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view drawSnapAt:handle |
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]. |
90 |
^ self |
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]. |
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(movedHandle isNil or:[resizeMode isNil]) ifTrue:[^ self]. |
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"/ kludge: workaround Windows bug, which sends a MOUSEMOVE |
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"/ (with same coordinate as previous MOUSE_DOWN |
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view orientation ~~ #vertical ifTrue:[ |
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clickPos == bx ifTrue:[^ self]. |
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prevPos == bx ifTrue:[^ self]. |
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] ifFalse:[ |
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clickPos == by ifTrue:[^ self]. |
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prevPos == by ifTrue:[^ self]. |
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]. |
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"RESIZING" |
106 |
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107 |
"compute new position ...." |
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nextPos := self checkedHandleMovementX:bx y:by. |
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"/ nextPos = prevPos ifTrue:[ |
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"/ ^ self |
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"/ ]. |
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||
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resizeMode == #active ifTrue:[ |
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"check position changed ..." |
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"/ nextPos > 10 ifTrue:[ |
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"/ (prevPos - nextPos) abs < 2 ifTrue:[^ self]. |
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"/ ]. |
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opaqueResizing ifFalse:[ |
119 |
self doInvertHandle "undo the last invert" |
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] |
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] ifFalse:[ |
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"/ nextPos > 10 ifTrue:[ |
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"/ (clickPos - nextPos) abs < 5 ifTrue:[^ self]. |
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"/ ]. |
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resizeMode := #active. |
131 | 126 |
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"/ restore the snap cursor |
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self isSnapEntered ifTrue:[ |
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view grabPointerWithCursor:saveCursor. |
130 |
saveCursor := nil. |
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view drawSnapAt:movedHandle. |
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] |
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]. |
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prevPos := nextPos. |
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opaqueResizing ifFalse:[ |
137 |
self doInvertHandle. |
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] ifTrue:[ |
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self doResize. |
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]. |
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"Modified: / 24.8.2001 / 15:34:57 / cg" |
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! |
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||
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buttonPress:button x:bx y:by |
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"button was pressed - setup resizing if a handle is hit |
147 |
" |
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|handleView hindex isMin isMax layout| |
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(button == 1) ifFalse:[ |
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movedHandle isNil ifTrue:[ |
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self pointerLeave:0. |
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super buttonPress:button x:bx y:by. |
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]. |
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^ self. |
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]. |
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view compressMotionEvents:true. |
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hindex := self detectHandleIndexAt:bx y:by. |
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"/ movedHandle notNil ifTrue:[ |
162 |
"/ hindex ~~ movedHandle ifTrue:[self pointerLeave:0]. "restore the cursor" |
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"/ ]. |
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( (movedHandle := hindex) notNil |
166 |
and:[(view canChangeExtentOfViewAt:movedHandle)] |
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) ifFalse:[ |
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^ self |
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]. |
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view grabPointerWithCursor:(view cursor). |
172 |
handleView := view subViews at:movedHandle. |
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||
174 |
"setup resizeing" |
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resizeMode := #init. |
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view orientation ~~ #vertical ifTrue:[ |
178 |
clickPos := bx. |
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prevPos := handleView right. |
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] ifFalse:[ |
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clickPos := by. |
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prevPos := handleView bottom. |
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]. |
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prevPos := prevPos + (view barHeight + 1 // 2). |
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"/ self pointerEnter:0 x:bx y:by. |
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|
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opaqueResizing := self sensor shiftDown or:[UserPreferences current opaqueVariablePanelResizing == true]. |
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self isSnapEntered ifTrue:[ |
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"there is a snap under the cursor; redraw selected" |
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view snapMode == #both ifTrue:[ |
193 |
layout := view snapLayoutAt:movedHandle. |
|
194 |
view orientation == #vertical ifTrue:[ |
|
195 |
isMax := bx > (layout right - (layout width//3)). |
|
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isMin := bx < (layout left + (layout width//3)). |
|
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] ifFalse:[ |
|
198 |
isMax := by > (layout bottom - (layout height//3)). |
|
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isMin := by < (layout top + (layout height//3)). |
|
200 |
]. |
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handleView objectAttributeAt:#snapPart put:(isMin ifTrue:[#left] ifFalse:[ isMax ifTrue:[#right] ifFalse:[#middle]]). |
|
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]. |
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view drawSnapAt:movedHandle. |
204 |
] ifFalse:[ |
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opaqueResizing ifFalse:[ |
2529 | 206 |
self doInvertHandle. |
207 |
resizeMode := #active. |
|
208 |
]. |
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invert on click (not on first move)
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]. |
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"Modified: / 24.8.2001 / 15:35:27 / cg" |
200 | 212 |
! |
213 |
||
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buttonRelease:button x:bx y:by |
104 | 215 |
"end bar-move" |
216 |
||
3921 | 217 |
|layout aboveView| |
1871 | 218 |
|
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(button == 1) ifFalse:[ |
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movedHandle isNil ifTrue:[ |
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resizeMode := nil. |
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222 |
super buttonRelease:button x:bx y:by |
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]. |
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224 |
^ self. |
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]. |
226 |
||
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view compressMotionEvents:false. |
2179 | 228 |
view ungrabPointer. |
229 |
movedHandle isNil ifTrue:[^ self]. |
|
1871 | 230 |
|
2179 | 231 |
resizeMode notNil ifTrue:[ |
232 |
resizeMode == #active ifTrue:[ |
|
2236 | 233 |
(view snapMode == #both) ifFalse:[ |
234 |
aboveView := view subViews at:movedHandle. |
|
235 |
aboveView objectAttributeAt:#vpext put:(aboveView relativeCorner). |
|
236 |
]. |
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237 |
opaqueResizing ifFalse:[ |
2252 | 238 |
self doResize |
239 |
]. |
|
2179 | 240 |
] ifFalse:[ |
241 |
( (layout := view snapLayoutAt:movedHandle) notNil |
|
242 |
and:[layout containsPointX:bx y:by] |
|
243 |
) ifTrue:[ |
|
2236 | 244 |
self doSnapPressedX:bx y:by |
2179 | 245 |
]. |
1871 | 246 |
]. |
2179 | 247 |
]. |
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248 |
movedHandle := nil. |
2179 | 249 |
self pointerLeave:0. |
250 |
self pointerEnter:0 x:bx y:by. "check whether mouse on a handle" |
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|
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252 |
"Modified: / 24.8.2001 / 15:35:33 / cg" |
1871 | 253 |
! |
254 |
||
2179 | 255 |
pointerEnter:state x:bx y:by |
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"this could be send by the KDE before a button press event; |
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257 |
test whether the state == 0 |
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258 |
" |
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259 |
|handle| |
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|
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|
261 |
state ~~ 0 ifTrue:[ ^ self ]. |
2179 | 262 |
|
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263 |
view snapMode notNil ifTrue:[ |
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264 |
"/ test whether a handle is under the cursor |
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265 |
handle := self detectHandleIndexAt:bx y:by. |
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266 |
|
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267 |
handle notNil ifTrue:[ |
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268 |
"/ there is a handel; thus we have to setup the cursor... |
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269 |
self buttonMotion:state x:bx y:by |
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270 |
]. |
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|
271 |
]. |
2179 | 272 |
! |
273 |
||
274 |
pointerLeave:state |
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275 |
"this could be send by the KDE before a button press event; |
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|
276 |
test whether the state == 0 |
954415c8fa83
bug fix in #pointerLeave: the KDE sends a #pointerLeave: with each button press which should be discard
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|
277 |
" |
954415c8fa83
bug fix in #pointerLeave: the KDE sends a #pointerLeave: with each button press which should be discard
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|
278 |
state ~~ 0 ifTrue:[ ^ self ]. |
954415c8fa83
bug fix in #pointerLeave: the KDE sends a #pointerLeave: with each button press which should be discard
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|
279 |
|
954415c8fa83
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|
280 |
"/ the view is leave and no button is pressed |
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|
281 |
"/ restore the cursor and redraw the snap if not nil |
2179 | 282 |
|
283 |
saveCursor notNil ifTrue:[ |
|
284 |
"restore the cursor" |
|
285 |
view cursor:saveCursor. |
|
286 |
saveCursor := nil |
|
287 |
]. |
|
288 |
||
2665
954415c8fa83
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|
289 |
resizeMode := nil. |
2179 | 290 |
|
2665
954415c8fa83
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changeset
|
291 |
movedHandle notNil ifTrue:[ |
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|
292 |
view drawSnapAt:movedHandle. |
954415c8fa83
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|
293 |
self buttonRelease:1 x:0 y:0. |
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|
294 |
movedHandle := nil. |
2179 | 295 |
]. |
296 |
! ! |
|
297 |
||
298 |
!VariablePanelController methodsFor:'private'! |
|
299 |
||
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make certain, that handles can always be clicked on;
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|
300 |
checkedHandleMovementX:bx y:by |
2179 | 301 |
"check and return valid position a handle can be placed |
302 |
" |
|
5518 | 303 |
|max min pos subViews halfBarHeight barHeight |
304 |
thisView nextView nextView2 |
|
305 |
minExtentThisView| |
|
2159
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diff
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|
306 |
|
2864c0de7f33
make certain, that handles can always be clicked on;
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diff
changeset
|
307 |
subViews := view subViews. |
2252 | 308 |
barHeight := view barHeight. |
2245 | 309 |
"/ halfBarHeight := view barHeight + 1 // 2. |
2252 | 310 |
halfBarHeight := barHeight // 2. |
311 |
||
5518 | 312 |
thisView := subViews at:movedHandle. "/ the view above the handle |
2252 | 313 |
nextView := subViews at:movedHandle + 1. |
314 |
nextView2 := subViews at:movedHandle + 2 ifAbsent:nil. |
|
2159
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diff
changeset
|
315 |
|
5518 | 316 |
minExtentThisView := thisView minExtent. |
317 |
||
2179 | 318 |
view orientation == #vertical ifTrue:[ |
2245 | 319 |
pos := by. |
2252 | 320 |
min := thisView top. |
5518 | 321 |
minExtentThisView notNil ifTrue:[ |
322 |
min := min + (minExtentThisView y ? 0) |
|
323 |
]. |
|
2252 | 324 |
nextView2 isNil ifTrue:[ |
325 |
max := view height. |
|
326 |
] ifFalse:[ |
|
327 |
max := nextView2 top. |
|
328 |
]. |
|
2159
2864c0de7f33
make certain, that handles can always be clicked on;
Claus Gittinger <cg@exept.de>
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diff
changeset
|
329 |
] ifFalse:[ |
2245 | 330 |
pos := bx. |
2252 | 331 |
min := thisView left. |
5518 | 332 |
minExtentThisView notNil ifTrue:[ |
333 |
min := min + (minExtentThisView x ? 0) |
|
334 |
]. |
|
2252 | 335 |
nextView2 isNil ifTrue:[ |
336 |
max := view width. |
|
337 |
] ifFalse:[ |
|
338 |
max := nextView2 left. |
|
339 |
]. |
|
2159
2864c0de7f33
make certain, that handles can always be clicked on;
Claus Gittinger <cg@exept.de>
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diff
changeset
|
340 |
]. |
2864c0de7f33
make certain, that handles can always be clicked on;
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diff
changeset
|
341 |
|
2260
ce3be65862db
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Claus Gittinger <cg@exept.de>
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diff
changeset
|
342 |
min := min + halfBarHeight "- 1". |
2252 | 343 |
barHeight odd ifTrue:[ min := min + 1 ]. |
2260
ce3be65862db
min/max - make certain that handle can still be grabbed
Claus Gittinger <cg@exept.de>
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2252
diff
changeset
|
344 |
movedHandle == 1 ifTrue:[ |
ce3be65862db
min/max - make certain that handle can still be grabbed
Claus Gittinger <cg@exept.de>
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diff
changeset
|
345 |
min := min + view margin |
ce3be65862db
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Claus Gittinger <cg@exept.de>
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diff
changeset
|
346 |
]. |
2245 | 347 |
|
348 |
"/ max := max - halfBarHeight. |
|
2252 | 349 |
"/ movedHandle == (subViews size-1) ifTrue:[ |
350 |
"/ max := max - barHeight + 2. |
|
351 |
"/ ] ifFalse:[ |
|
5475 | 352 |
max := max - halfBarHeight "+ 1". |
353 |
true "barHeight odd" ifTrue:[ max := max - 1 ]. |
|
2252 | 354 |
"/ ]. |
2159
2864c0de7f33
make certain, that handles can always be clicked on;
Claus Gittinger <cg@exept.de>
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2005
diff
changeset
|
355 |
|
2260
ce3be65862db
min/max - make certain that handle can still be grabbed
Claus Gittinger <cg@exept.de>
parents:
2252
diff
changeset
|
356 |
movedHandle == (subViews size-1) ifTrue:[ |
ce3be65862db
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Claus Gittinger <cg@exept.de>
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2252
diff
changeset
|
357 |
max := max - view margin |
ce3be65862db
min/max - make certain that handle can still be grabbed
Claus Gittinger <cg@exept.de>
parents:
2252
diff
changeset
|
358 |
]. |
ce3be65862db
min/max - make certain that handle can still be grabbed
Claus Gittinger <cg@exept.de>
parents:
2252
diff
changeset
|
359 |
|
2179 | 360 |
pos < min ifTrue:[^ min]. |
2252 | 361 |
pos > max ifTrue:[^ max]. |
362 |
^ pos |
|
2159
2864c0de7f33
make certain, that handles can always be clicked on;
Claus Gittinger <cg@exept.de>
parents:
2005
diff
changeset
|
363 |
! |
2864c0de7f33
make certain, that handles can always be clicked on;
Claus Gittinger <cg@exept.de>
parents:
2005
diff
changeset
|
364 |
|
2179 | 365 |
detectHandleIndexAt:x y:y |
366 |
"returns the handle index at position x@y or nil if none detected |
|
367 |
" |
|
368 |
|subViews |
|
369 |
size "{ Class: SmallInteger }"| |
|
370 |
||
371 |
subViews := view subViews. |
|
372 |
||
373 |
(size := subViews size) > 1 ifTrue:[ |
|
374 |
view orientation == #vertical ifTrue:[ |
|
375 |
2 to:size do:[:i| |
|
376 |
(subViews at:i) top >= y ifTrue:[ |
|
377 |
^ (subViews at:(i-1)) bottom < y ifTrue:[i-1] ifFalse:[nil] |
|
378 |
] |
|
379 |
] |
|
380 |
] ifFalse:[ |
|
381 |
2 to:size do:[:i| |
|
382 |
(subViews at:i) left >= x ifTrue:[ |
|
383 |
^ (subViews at:(i-1)) right < x ifTrue:[i-1] ifFalse:[nil] |
|
384 |
] |
|
385 |
] |
|
386 |
] |
|
387 |
]. |
|
388 |
^ nil |
|
389 |
||
390 |
||
391 |
! ! |
|
1871 | 392 |
|
2179 | 393 |
!VariablePanelController methodsFor:'queries'! |
394 |
||
2529 | 395 |
isSnapEntered |
396 |
^ saveCursor notNil |
|
397 |
! |
|
398 |
||
2179 | 399 |
isSnapEntered:anIndex |
400 |
^ saveCursor notNil and:[anIndex == movedHandle] |
|
401 |
||
402 |
! |
|
403 |
||
404 |
isSnapPressed |
|
405 |
^ resizeMode notNil and:[resizeMode ~~ #active] |
|
406 |
! ! |
|
407 |
||
408 |
!VariablePanelController methodsFor:'user operations'! |
|
104 | 409 |
|
2179 | 410 |
doInvertHandle |
411 |
"invert a handle |
|
412 |
" |
|
413 |
|pos| |
|
414 |
||
415 |
pos := prevPos - (view barHeight + 1 // 2). |
|
416 |
view invertHandleBarAtX:pos y:pos. |
|
417 |
! |
|
418 |
||
419 |
doResize |
|
420 |
"perform the resize |
|
421 |
" |
|
422 |
|aboveView belowView aboveIndex belowIndex newRelPos subViews isVertical |
|
5475 | 423 |
newCorner newOrigin halfBarHg aboveInvisible belowInvisible| |
104 | 424 |
|
1871 | 425 |
"undo the last invert" |
2179 | 426 |
(resizeMode == #active and:[opaqueResizing not]) ifTrue:[ |
427 |
self doInvertHandle |
|
1871 | 428 |
]. |
2179 | 429 |
"check if position changed" |
430 |
prevPos == clickPos ifTrue:[^ self]. |
|
104 | 431 |
|
2179 | 432 |
"compute the new relative origins & corners" |
433 |
isVertical := view orientation == #vertical. |
|
1871 | 434 |
aboveIndex := movedHandle. |
435 |
belowIndex := movedHandle + 1. |
|
2179 | 436 |
subViews := view subViews. |
437 |
aboveView := subViews at:aboveIndex. |
|
438 |
belowView := subViews at:belowIndex. |
|
5475 | 439 |
halfBarHg := (view barHeight + 1) // 2. |
440 |
aboveInvisible := belowInvisible := false. |
|
1626
3013631d4384
do nothing if pointer was never moved;
Claus Gittinger <cg@exept.de>
parents:
1483
diff
changeset
|
441 |
|
5475 | 442 |
isVertical ifTrue:[ |
2179 | 443 |
"X complains badly if you try to create/resize a view with a dimension <= 0 |
444 |
" |
|
5475 | 445 |
prevPos - halfBarHg == aboveView top ifTrue:[ |
446 |
prevPos := prevPos + 1. |
|
447 |
aboveInvisible := true. |
|
448 |
]. |
|
449 |
||
450 |
newRelPos := (prevPos / view height) asFloat. |
|
451 |
newCorner := aboveView relativeCorner x @ newRelPos. |
|
452 |
newOrigin := belowView relativeOrigin x @ newRelPos. |
|
453 |
] ifFalse:[ |
|
454 |
"X complains badly if you try to create/resize a view with a dimension <= 0 |
|
455 |
" |
|
456 |
prevPos - halfBarHg == aboveView left ifTrue:[ |
|
457 |
prevPos := prevPos + 1. |
|
458 |
aboveInvisible := true. |
|
459 |
]. |
|
104 | 460 |
|
2179 | 461 |
newRelPos := (prevPos / view width) asFloat. |
462 |
newCorner := newRelPos @ aboveView relativeCorner y. |
|
2159
2864c0de7f33
make certain, that handles can always be clicked on;
Claus Gittinger <cg@exept.de>
parents:
2005
diff
changeset
|
463 |
newOrigin := newRelPos @ belowView relativeOrigin y. |
1871 | 464 |
]. |
2179 | 465 |
view lockRedraw. |
466 |
||
1871 | 467 |
aboveView relativeCorner:newCorner. |
468 |
belowView relativeOrigin:newOrigin. |
|
5475 | 469 |
aboveInvisible ifTrue:[ |
470 |
aboveView realized ifTrue:[ aboveView unmap ]. |
|
471 |
] ifFalse:[ |
|
472 |
aboveView realized ifFalse:[ aboveView map ]. |
|
473 |
]. |
|
104 | 474 |
|
2179 | 475 |
prevPos > clickPos ifTrue:[ "above view grows" |
476 |
view resizeSubviewsFrom:aboveIndex to:belowIndex. |
|
104 | 477 |
] ifFalse:[ |
2179 | 478 |
view resizeSubviewsFrom:belowIndex to:aboveIndex |
1871 | 479 |
]. |
480 |
view unlockRedraw. |
|
1626
3013631d4384
do nothing if pointer was never moved;
Claus Gittinger <cg@exept.de>
parents:
1483
diff
changeset
|
481 |
|
2179 | 482 |
prevPos := isVertical ifTrue:[aboveView bottom] ifFalse:[aboveView right]. |
5475 | 483 |
prevPos := prevPos + halfBarHg. |
1483 | 484 |
! |
485 |
||
2236 | 486 |
doSnapPressedX:x y:y |
2179 | 487 |
"perform the snap press |
488 |
" |
|
2236 | 489 |
|layout handle curRCorner prvRCorner isVertical newPos mode isMax isMin doRememberPosition| |
2179 | 490 |
|
491 |
(mode := view snapMode) isNil ifTrue:[^ self]. |
|
492 |
||
493 |
layout := view snapLayoutAt:movedHandle. |
|
494 |
handle := view subViews at:movedHandle. |
|
495 |
isVertical := view orientation == #vertical. |
|
2236 | 496 |
|
2179 | 497 |
curRCorner := handle relativeCorner. |
498 |
prvRCorner := handle objectAttributeAt:#vpext. |
|
499 |
||
2236 | 500 |
isMax := isMin := false. |
501 |
mode == #both ifTrue:[ |
|
502 |
isVertical ifTrue:[ |
|
503 |
isMax := x > (layout right - (layout width//3)). |
|
504 |
isMin := x < (layout left + (layout width//3)). |
|
505 |
] ifFalse:[ |
|
2239 | 506 |
isMin := y > (layout bottom - (layout height//3)). |
507 |
isMax := y < (layout top + (layout height//3)). |
|
2236 | 508 |
]. |
509 |
handle objectAttributeAt:#snapPart put:(isMin ifTrue:[#left] ifFalse:[ isMax ifTrue:[#right] ifFalse:[#middle]]). |
|
510 |
doRememberPosition := (isMin or:[isMax]) and:[prvRCorner isNil]. |
|
511 |
] ifFalse:[ |
|
512 |
isMax := view snapAtIndexWillGrow:movedHandle. |
|
513 |
isMin := isMax not. |
|
514 |
isMax ifTrue:[ |
|
515 |
isMax := prvRCorner isNil or:[mode ~~ #min] |
|
516 |
] ifFalse:[ |
|
517 |
isMin := prvRCorner isNil or:[mode ~~ #max] |
|
518 |
]. |
|
519 |
doRememberPosition := true. |
|
520 |
]. |
|
521 |
||
522 |
isMax ifTrue:[ |
|
523 |
newPos := 99999 "set extent to max" |
|
524 |
] ifFalse:[ |
|
525 |
isMin ifTrue:[ |
|
526 |
newPos := 0 "set extent to min" |
|
527 |
] ifFalse:[ |
|
528 |
newPos := nil "restore previous extent" |
|
529 |
] |
|
2179 | 530 |
]. |
531 |
||
532 |
newPos isNil ifTrue:[ |
|
2236 | 533 |
prvRCorner isNil ifTrue:[ |
534 |
"/ nothing to do |
|
535 |
^ self |
|
536 |
]. |
|
537 |
||
2179 | 538 |
"restore previous extent" |
539 |
newPos := isVertical ifTrue:[view height * prvRCorner y] |
|
540 |
ifFalse:[view width * prvRCorner x]. |
|
541 |
||
542 |
newPos := self checkedHandleMovementX:newPos y:newPos. |
|
543 |
||
544 |
(prevPos - newPos) abs < 2 ifTrue:[ |
|
545 |
"cannot resize; set extent to min or max dependent on the current extent" |
|
546 |
isVertical ifTrue:[ |
|
547 |
newPos := handle height > 2 ifTrue:[0] ifFalse:[99999] |
|
548 |
] ifFalse:[ |
|
549 |
newPos := handle width > 2 ifTrue:[0] ifFalse:[99999] |
|
550 |
]. |
|
551 |
newPos := self checkedHandleMovementX:newPos y:newPos. |
|
552 |
]. |
|
2236 | 553 |
|
554 |
mode == #both ifTrue:[ |
|
555 |
handle objectAttributeAt:#vpext put:nil. "clear previous corner" |
|
556 |
doRememberPosition := false. |
|
557 |
]. |
|
558 |
||
2179 | 559 |
] ifFalse:[ |
560 |
newPos := self checkedHandleMovementX:newPos y:newPos |
|
561 |
]. |
|
562 |
||
563 |
(newPos - prevPos) abs < 2 ifFalse:[ |
|
2236 | 564 |
doRememberPosition ifTrue:[ |
565 |
handle objectAttributeAt:#vpext put:curRCorner. "save previous corner" |
|
566 |
]. |
|
2179 | 567 |
prevPos := newPos. |
568 |
self doResize. |
|
1483 | 569 |
] |
200 | 570 |
! ! |
104 | 571 |
|
203 | 572 |
!VariablePanelController class methodsFor:'documentation'! |
573 |
||
574 |
version |
|
5475 | 575 |
^ '$Header$' |
2179 | 576 |
|
577 |
||
203 | 578 |
! ! |
5475 | 579 |