Joe Julian
74 lines
1.9 KiB
Go
74 lines
1.9 KiB
Go
package keepassgo
|
|
|
|
import (
|
|
"image"
|
|
|
|
"gioui.org/layout"
|
|
"gioui.org/op"
|
|
"gioui.org/unit"
|
|
)
|
|
|
|
type dropdownAnchor struct {
|
|
TriggerRightX int
|
|
TriggerBottomY int
|
|
}
|
|
|
|
func (a dropdownAnchor) point() image.Point {
|
|
return image.Pt(a.TriggerRightX, a.TriggerBottomY)
|
|
}
|
|
|
|
type dropdownSurface struct {
|
|
ContainerWidth int
|
|
LeftInset int
|
|
TopInset int
|
|
}
|
|
|
|
func (s dropdownSurface) menuConstraints(gtx layout.Context) layout.Context {
|
|
menuGTX := gtx
|
|
menuGTX.Constraints.Min = image.Point{}
|
|
menuGTX.Constraints.Max.X = max(0, s.ContainerWidth)
|
|
return menuGTX
|
|
}
|
|
|
|
func (s dropdownSurface) origin(anchor dropdownAnchor, menuWidth int) image.Point {
|
|
x := s.LeftInset + anchoredMenuOriginX(s.ContainerWidth, 0, anchor.TriggerRightX, menuWidth)
|
|
y := s.TopInset + anchor.TriggerBottomY
|
|
return image.Pt(x, y)
|
|
}
|
|
|
|
func (s dropdownSurface) draw(gtx layout.Context, anchor dropdownAnchor, menu layout.Widget) layout.Dimensions {
|
|
menuGTX := s.menuConstraints(gtx)
|
|
menuOps := op.Record(gtx.Ops)
|
|
menuDims := layout.Inset{Top: unit.Dp(6)}.Layout(menuGTX, menu)
|
|
menuCall := menuOps.Stop()
|
|
menuOrigin := s.origin(anchor, menuDims.Size.X)
|
|
stack := op.Offset(menuOrigin).Push(gtx.Ops)
|
|
menuCall.Add(gtx.Ops)
|
|
stack.Pop()
|
|
return layout.Dimensions{Size: gtx.Constraints.Max}
|
|
}
|
|
|
|
type headerActionMetrics struct {
|
|
RowOriginX int
|
|
Spacing int
|
|
RowDims layout.Dimensions
|
|
SyncDims layout.Dimensions
|
|
LockDims layout.Dimensions
|
|
MainDims layout.Dimensions
|
|
}
|
|
|
|
func (m headerActionMetrics) syncAnchor() dropdownAnchor {
|
|
return dropdownAnchor{
|
|
TriggerRightX: m.RowOriginX + m.SyncDims.Size.X,
|
|
TriggerBottomY: m.RowDims.Size.Y,
|
|
}
|
|
}
|
|
|
|
func (m headerActionMetrics) mainAnchor() dropdownAnchor {
|
|
triggerRightX := m.SyncDims.Size.X + m.Spacing + m.LockDims.Size.X + m.Spacing + m.MainDims.Size.X
|
|
return dropdownAnchor{
|
|
TriggerRightX: m.RowOriginX + triggerRightX,
|
|
TriggerBottomY: m.RowDims.Size.Y,
|
|
}
|
|
}
|