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[Experimental] [Scrollbar] Add action to help moving a layer #2107

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Merged
D8H merged 1 commit into from
May 5, 2026
+160 −197
Merged

[Experimental] [Scrollbar] Add action to help moving a layer #2107

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357 changes: 160 additions & 197 deletions extensions/community/Scrollbar.json
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Original file line number Diff line number Diff line change
Expand Up @@ -10,7 +10,7 @@
"name": "Scrollbar",
"previewIconUrl": "https://asset-resources.gdevelop.io/public-resources/Icons/Line Hero Pack/Master/SVG/Interface Elements/c1313ac0735bd1c08d7327fd9a56b4d8cebf1b343f9ba82f1b141358433e1cdb_Interface Elements_interface_ui_scroll_bar_scrollbar.svg",
"shortDescription": "A scrollbar to help making a scroll view.",
"version": "1.0.1",
"version": "1.0.2",
"description": [
"A scrollbar to help making a scroll view.",
"",
Expand All @@ -32,9 +32,163 @@
"dependencies": [],
"globalVariables": [],
"sceneVariables": [],
"eventsFunctions": [],
"eventsFunctions": [
{
"description": "Move the camera according to the scroll position.",
"fullName": "Set camera from scroll",
"functionType": "Action",
"group": "Scrollbar",
"name": "SetCameraFromPosition",
"sentence": "Move the camera of _PARAM2_ according to the scroll position of _PARAM1_",
"events": [
{
"type": "BuiltinCommonInstructions::Standard",
"conditions": [
{
"type": {
"value": "BuiltinCommonInstructions::CompareNumbers"
},
"parameters": [
"mod(round(Object.Angle() / 90), 2)",
"=",
"0"
]
}
],
"actions": [
{
"type": {
"value": "SetCameraCenterY"
},
"parameters": [
"",
"=",
"Object.ScrollPosition() + CameraHeight(ScrolledLayer) / 2",
"ScrolledLayer",
""
]
}
]
},
{
"type": "BuiltinCommonInstructions::Else",
"conditions": [],
"actions": [
{
"type": {
"value": "SetCameraCenterX"
},
"parameters": [
"",
"=",
"Object.ScrollPosition() + CameraWidth(ScrolledLayer) / 2",
"ScrolledLayer",
""
]
}
]
}
],
"parameters": [
{
"description": "Object",
"name": "Object",
"supplementaryInformation": "Scrollbar::Scrollbar",
"type": "objectList"
},
{
"description": "Scrolled layer",
"name": "ScrolledLayer",
"type": "layer"
}
],
"objectGroups": []
},
{
"description": "Change the scroll position according to the camera.",
"fullName": "Set scroll from camera",
"functionType": "Action",
"group": "Scrollbar",
"name": "SetPositionFromCamera",
"sentence": "Change the scroll position of _PARAM1_ according to the camera of _PARAM2_",
"events": [
{
"type": "BuiltinCommonInstructions::Standard",
"conditions": [
{
"type": {
"value": "BuiltinCommonInstructions::CompareNumbers"
},
"parameters": [
"mod(round(Object.Angle() / 90), 2)",
"=",
"0"
]
}
],
"actions": [
{
"type": {
"value": "Scrollbar::Scrollbar::SetScrollPosition"
},
"parameters": [
"Object",
"=",
"CameraCenterY(ScrolledLayer) - CameraHeight(ScrolledLayer) / 2",
""
]
}
]
},
{
"type": "BuiltinCommonInstructions::Else",
"conditions": [],
"actions": [
{
"type": {
"value": "Scrollbar::Scrollbar::SetScrollPosition"
},
"parameters": [
"Object",
"=",
"CameraCenterX(ScrolledLayer) - CameraWidth(ScrolledLayer) / 2",
""
]
}
]
}
],
"parameters": [
{
"description": "Object",
"name": "Object",
"supplementaryInformation": "Scrollbar::Scrollbar",
"type": "objectList"
},
{
"description": "Scrolled layer",
"name": "ScrolledLayer",
"type": "layer"
}
],
"objectGroups": []
}
],
"eventsFunctionsFolderStructure": {
"folderName": "__ROOT"
"folderName": "__ROOT",
"children": [
{
"folderName": "Scrollbar",
"children": [
{
"functionName": "SetCameraFromPosition"
},
{
"functionName": "SetPositionFromCamera"
}
]
}
]
},
"eventsBasedBehaviors": [],
"eventsBasedObjects": [
Expand Down Expand Up @@ -581,12 +735,11 @@
"objectGroups": []
},
{
"description": "the top position of the displayed part.",
"fullName": "Scroll top position",
"description": "the top or left position of the displayed part.",
"fullName": "Scroll position",
"functionType": "ExpressionAndCondition",
"name": "ScrollPosition",
"private": true,
"sentence": "the scroll top position",
"sentence": "the scroll position",
"events": [
{
"type": "BuiltinCommonInstructions::Standard",
Expand Down Expand Up @@ -821,181 +974,6 @@
}
],
"objectGroups": []
},
{
"description": "the center position of the displayed part.",
"fullName": "Scroll center position",
"functionType": "ExpressionAndCondition",
"name": "ScrollCenter",
"sentence": "the scroll center position",
"events": [
{
"type": "BuiltinCommonInstructions::Standard",
"conditions": [],
"actions": [
{
"type": {
"value": "SetReturnNumber"
},
"parameters": [
"ScrollPosition + Background.Height() / 2"
]
}
]
}
],
"expressionType": {
"type": "expression"
},
"parameters": [
{
"description": "Object",
"name": "Object",
"supplementaryInformation": "Scrollbar::Scrollbar",
"type": "object"
}
],
"objectGroups": []
},
{
"description": "the bottom position of the displayed part.",
"fullName": "Scroll bottom position",
"functionType": "ExpressionAndCondition",
"name": "ScrollBottom",
"sentence": "the scroll bottom position",
"events": [
{
"type": "BuiltinCommonInstructions::Standard",
"conditions": [],
"actions": [
{
"type": {
"value": "SetReturnNumber"
},
"parameters": [
"ScrollPosition + Background.Height()"
]
}
]
}
],
"expressionType": {
"type": "expression"
},
"parameters": [
{
"description": "Object",
"name": "Object",
"supplementaryInformation": "Scrollbar::Scrollbar",
"type": "object"
}
],
"objectGroups": []
},
{
"description": "the top position of the displayed part.",
"fullName": "Scroll top position",
"functionType": "ExpressionAndCondition",
"name": "ScrollTop",
"sentence": "the scroll top position",
"events": [
{
"type": "BuiltinCommonInstructions::Standard",
"conditions": [],
"actions": [
{
"type": {
"value": "SetReturnNumber"
},
"parameters": [
"ScrollPosition"
]
}
]
}
],
"expressionType": {
"type": "expression"
},
"parameters": [
{
"description": "Object",
"name": "Object",
"supplementaryInformation": "Scrollbar::Scrollbar",
"type": "object"
}
],
"objectGroups": []
},
{
"fullName": "",
"functionType": "ActionWithOperator",
"getterName": "ScrollCenter",
"name": "SetScrollCenter",
"sentence": "",
"events": [
{
"type": "BuiltinCommonInstructions::Standard",
"conditions": [],
"actions": [
{
"type": {
"value": "Scrollbar::Scrollbar::SetScrollPosition"
},
"parameters": [
"Object",
"=",
"Value - Background.Height() / 2",
""
]
}
]
}
],
"parameters": [
{
"description": "Object",
"name": "Object",
"supplementaryInformation": "Scrollbar::Scrollbar",
"type": "object"
}
],
"objectGroups": []
},
{
"fullName": "",
"functionType": "ActionWithOperator",
"getterName": "ScrollBottom",
"name": "SetScrollBottom",
"sentence": "",
"events": [
{
"type": "BuiltinCommonInstructions::Standard",
"conditions": [],
"actions": [
{
"type": {
"value": "Scrollbar::Scrollbar::SetScrollPosition"
},
"parameters": [
"Object",
"=",
"Value - Background.Height()",
""
]
}
]
}
],
"parameters": [
{
"description": "Object",
"name": "Object",
"supplementaryInformation": "Scrollbar::Scrollbar",
"type": "object"
}
],
"objectGroups": []
}
],
"eventsFunctionsFolderStructure": {
Expand All @@ -1013,21 +991,6 @@
{
"functionName": "SetScrollPosition"
},
{
"functionName": "ScrollTop"
},
{
"functionName": "ScrollCenter"
},
{
"functionName": "SetScrollCenter"
},
{
"functionName": "ScrollBottom"
},
{
"functionName": "SetScrollBottom"
},
{
"functionName": "ContentLength"
},
Expand Down
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