Marcel Taeumel uploaded a new version of Morphic to project The Trunk: http://source.squeak.org/trunk/Morphic-mt.2082.mcz
==================== Summary ====================
Name: Morphic-mt.2082 Author: mt Time: 30 January 2023, 10:47:12.840518 am UUID: 6d4a75d3-9931-2b42-bb00-b3ec6b5942e2 Ancestors: Morphic-mt.2081
In tree widgets, fixes regression that mouse-clicks on toggle nodes should not update the current selection but only expand/collapse that node.
=============== Diff against Morphic-mt.2081 ===============
Item was changed: ----- Method: SimpleHierarchicalListMorph>>mouseDown: (in category 'event handling') ----- mouseDown: evt + + | aMorph selectors | - | aMorph selectors | - aMorph := self itemFromPoint: evt position. evt yellowButtonPressed "First check for option (menu) click" ifTrue: [ (PluggableListMorph menuRequestUpdatesSelection and: [model okToChange]) ifTrue: [ aMorph == selectedMorph ifFalse: [self setSelectedMorph: aMorph]]. ^ self yellowButtonActivity: evt shiftPressed]. + + aMorph ifNil: [^ super mouseDown: evt]. + (aMorph notNil and:[aMorph inToggleArea: (aMorph point: evt position from: self)]) + ifTrue: [^ self toggleExpandedState: aMorph event: evt]. - ifTrue:[^self toggleExpandedState: aMorph event: evt]. - aMorph ifNil:[^super mouseDown: evt]. PluggableListMorph highlightPreSelection ifTrue: [ aMorph highlightedForMouseDown: true. self setProperty: #highlightedMorph toValue: aMorph]. + self setProperty: #changeSelectionOnMouseUp toValue: true. + selectors := Array with: #click: with: (self doubleClickEnabled ifTrue: [#doubleClick:] ifFalse: [nil]) with: nil with: (self dragEnabled ifTrue:[#startDrag:] ifFalse:[nil]). evt hand waitForClicksOrDrag: self event: evt selectors: selectors threshold: HandMorph dragThreshold "pixels".!
Item was changed: ----- Method: SimpleHierarchicalListMorph>>mouseUp: (in category 'event handling') ----- mouseUp: event
| clickedMorph | model okToChange ifFalse: [^ self]. (clickedMorph := self itemFromPoint: event position) ifNil: [^ self]. (self valueOfProperty: #highlightedMorph ifAbsent: []) ifNotNil: [:m | m highlightedForMouseDown: false. self removeProperty: #highlightedMorph]. + (self hasProperty: #changeSelectionOnMouseUp) + ifFalse: [^ self] + ifTrue: [self removeProperty: #changeSelectionOnMouseUp]. + ((autoDeselect isNil or: [autoDeselect]) and: [clickedMorph == selectedMorph]) ifTrue: [self setSelectedMorph: nil] ifFalse: [self setSelectedMorph: clickedMorph].
event hand newKeyboardFocus: self. Cursor normal show.!