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WIP/fix/centralize gui nodes #27

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e8f6309
fix(diagram): centralize nodes
yesoer Dec 11, 2023
2e476b4
fix(network-diagram): node positions
yesoer Jan 20, 2024
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15 changes: 10 additions & 5 deletions fyne-gui/NetworkDiagram.go
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Original file line number Diff line number Diff line change
Expand Up @@ -188,26 +188,31 @@ func (networkDiag *NetworkDiagram) refreshNodes(
for i, p := range points {
// needs an inital size because its not set for the widget on the
// initial pass
diagWidth := diag.Size().Width
diagWidth := diag.Size().Width // TODO : larger than expected, why ? try container for diag ? temp fix : /2
if diagWidth == 0 {
diagWidth = 800
diagWidth = InitialWindowSize.Width / 2
}

diagHeight := diag.Size().Height
if diagHeight == 0 {
diagHeight = 1200
diagHeight = InitialWindowSize.Height // TODO : InitialWindowSize disregards the top bar above the diagram
}

ratiow := diagWidth / 100
ratioh := diagHeight / 100

// draw node
x := ratiow * float32(p.x*.5)
y := ratioh * float32(p.y*.5)
x := ratiow * float32(p.x)
y := ratioh * float32(p.y)

nodeName := "Node" + strconv.Itoa(i)
nodeButton := networkDiag.buttons[i]
diagNode := diagramwidget.NewDiagramNode(diag, nodeButton, "Id:"+nodeName)

// anchor nodes at their center
x -= nodeButton.Size().Width / 2
y -= nodeButton.Size().Height / 2

diagNode.Move(fyne.Position{X: x, Y: y})
newNode := node{diagNode, false, false}
networkDiag.nodes = append(networkDiag.nodes, newNode)
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