UI enhancements for horizontal mode, intermediate checkin.

This commit is contained in:
Greg 2019-12-05 21:00:17 -05:00
parent 265caa30a2
commit 14bbbf0679
1 changed files with 126 additions and 102 deletions

228
main.go
View File

@ -102,6 +102,7 @@ func eventloop() {
state := "starting"
var hr int
var periph ble.Peripheral
var wide bool
periphs := make([]ble.Peripheral, 0)
btns := make([]*widget.Button, 0)
backBtn := &widget.Button{}
@ -110,118 +111,136 @@ func eventloop() {
f := &layout.Flex{Axis: layout.Vertical}
offpage = func() {
c1 := f.Rigid(gtx, func() {
th.Body1("Heart Rate Monitor").Layout(gtx)
})
c2 := f.Rigid(gtx, func() {
th.Body1("Bluetooth is Powered Off").Layout(gtx)
})
f.Layout(gtx, c1, c2)
f.Layout(gtx,
f.Rigid(gtx, func() {
th.Body1("Heart Rate Monitor").Layout(gtx)
}),
f.Rigid(gtx, func() {
th.Body1("Bluetooth is Powered Off").Layout(gtx)
}),
)
}
scanpage = func() {
c1 := f.Rigid(gtx, func() {
th.Body1("Heart Rate Monitor").Layout(gtx)
})
c2 := f.Rigid(gtx, func() {
th.Body1(state).Layout(gtx)
})
c3 := f.Rigid(gtx, func() {
lst := &layout.List{Axis: layout.Vertical}
lst.Layout(gtx, len(periphs), func(i int) {
gtx.Constraints.Width.Min = gtx.Constraints.Width.Max
layout.UniformInset(unit.Dp(2)).Layout(gtx, func() {
th.Button(periphs[i].Name).Layout(gtx, btns[i])
})
if btns[i].Clicked(gtx) {
b.StopScan()
periph = periphs[i]
b.Connect(periph)
state = "connecting"
page = connpage
w.Invalidate()
}
appname := func() { th.Body1("Heart Rate Monitor").Layout(gtx) }
appstate := func() { th.Body1(state).Layout(gtx) }
periphname := func() { th.Body1(periph.Name).Layout(gtx) }
leftbar := func() {
f := &layout.Flex{Axis: layout.Vertical}
f.Layout(gtx,
f.Rigid(gtx, appname),
f.Rigid(gtx, func() { th.Body1("").Layout(gtx) }),
f.Rigid(gtx, appstate),
)
}
scanlist := func() {
lst := &layout.List{Axis: layout.Vertical}
lst.Layout(gtx, len(periphs), func(i int) {
gtx.Constraints.Width.Min = gtx.Constraints.Width.Max
layout.UniformInset(unit.Dp(2)).Layout(gtx, func() {
th.Button(periphs[i].Name).Layout(gtx, btns[i])
})
if btns[i].Clicked(gtx) {
b.StopScan()
periph = periphs[i]
b.Connect(periph)
state = "connecting"
page = connpage
w.Invalidate()
}
})
f.Layout(gtx, c1, c2, c3)
}
scanpage = func() {
if wide {
f2 := &layout.Flex{Axis: layout.Horizontal}
f2.Layout(gtx,
f2.Flex(gtx, 0.2, leftbar),
f2.Rigid(gtx, scanlist),
)
} else {
f.Layout(gtx,
f.Rigid(gtx, appname),
f.Rigid(gtx, appstate),
f.Rigid(gtx, scanlist),
)
}
}
connpage = func() {
c1 := f.Rigid(gtx, func() {
th.Body1("Heart Rate Monitor").Layout(gtx)
f.Layout(gtx,
f.Rigid(gtx, appname),
f.Rigid(gtx, func() {
th.Body1("Connecting").Layout(gtx)
}),
f.Rigid(gtx, periphname),
f.Rigid(gtx, func() {
th.Button("Cancel").Layout(gtx, backBtn)
if backBtn.Clicked(gtx) {
ble.CancelConnection(periph)
periphs = periphs[:0]
Config.Autoconnect = ""
saveConfig()
b.Scan()
state = "scanning"
page = scanpage
}
}),
)
}
hrcircle := func() {
blue := color.RGBA{0x3f, 0x51, 0xb5, 255}
white := color.RGBA{255, 255, 255, 255}
w, h1 := float32(gtx.Constraints.Width.Max), float32(gtx.Constraints.Height.Max)
if w < h1 {
h1 = w
}
s2 := h1 * 0.9
r1 := f32.Rectangle{f32.Point{0, 0}, f32.Point{h1, h1}}
p2a := f32.Point{(h1-s2)/2, (h1-s2)/2}
p2b := f32.Point{s2 + (h1-s2)/2, s2 + (h1-s2)/2}
r2 := f32.Rectangle{p2a, p2b}
clip.Rect{ Rect: r1, NE: h1/2, NW: h1/2, SE: h1/2, SW: h1/2}.Op(gtx.Ops).Add(gtx.Ops)
paint.ColorOp{Color: blue}.Add(gtx.Ops)
paint.PaintOp{Rect: r1}.Add(gtx.Ops)
clip.Rect{ Rect: r2, NE: s2/2, NW: s2/2, SE: s2/2, SW: s2/2}.Op(gtx.Ops).Add(gtx.Ops)
paint.ColorOp{Color: white}.Add(gtx.Ops)
paint.PaintOp{Rect: r2}.Add(gtx.Ops)
op.TransformOp{}.Offset(p2a).Add(gtx.Ops)
gtx.Constraints.Width.Max = int(s2)
gtx.Constraints.Height.Max = int(s2)
gtx.Constraints.Width.Min = int(s2)
gtx.Constraints.Height.Min = int(s2)
l := th.H1(fmt.Sprintf("%d", hr))
l.Alignment = text.Middle
layout.Align(layout.Center).Layout(gtx, func() {
l.Layout(gtx)
})
c2 := f.Rigid(gtx, func() {
th.Body1("Connecting").Layout(gtx)
})
c3 := f.Rigid(gtx, func() {
th.Body1(periph.Name).Layout(gtx)
})
c4 := f.Rigid(gtx, func() {
th.Button("Cancel").Layout(gtx, backBtn)
if backBtn.Clicked(gtx) {
ble.CancelConnection(periph)
periphs = periphs[:0]
Config.Autoconnect = ""
saveConfig()
b.Scan()
state = "scanning"
page = scanpage
}
})
f.Layout(gtx, c1, c2, c3, c4)
gtx.Dimensions.Size = image.Point{int(h1), int(h1)}
}
hrpage = func() {
c1 := f.Rigid(gtx, func() {
th.Body1("Heart Rate Monitor").Layout(gtx)
})
c2 := f.Rigid(gtx, func() {
th.Body1(periph.Name).Layout(gtx)
})
c4 := f.Rigid(gtx, func() {
layout.UniformInset(unit.Dp(2)).Layout(gtx, func() {
th.Button("Stop").Layout(gtx, backBtn)
})
if backBtn.Clicked(gtx) {
ble.Disconnect(periph)
periphs = periphs[:0]
Config.Autoconnect = ""
saveConfig()
b.Scan()
state = "scanning"
page = scanpage
}
})
c3 := f.Rigid(gtx, func() {
blue := color.RGBA{0x3f, 0x51, 0xb5, 255}
white := color.RGBA{255, 255, 255, 255}
w, h1 := float32(gtx.Constraints.Width.Max), float32(gtx.Constraints.Height.Max)
if w < h1 {
h1 = w
}
s2 := h1 * 0.9
r1 := f32.Rectangle{f32.Point{0, 0}, f32.Point{h1, h1}}
p2a := f32.Point{(h1-s2)/2, (h1-s2)/2}
p2b := f32.Point{s2 + (h1-s2)/2, s2 + (h1-s2)/2}
r2 := f32.Rectangle{p2a, p2b}
clip.Rect{ Rect: r1, NE: h1/2, NW: h1/2, SE: h1/2, SW: h1/2}.Op(gtx.Ops).Add(gtx.Ops)
paint.ColorOp{Color: blue}.Add(gtx.Ops)
paint.PaintOp{Rect: r1}.Add(gtx.Ops)
clip.Rect{ Rect: r2, NE: s2/2, NW: s2/2, SE: s2/2, SW: s2/2}.Op(gtx.Ops).Add(gtx.Ops)
paint.ColorOp{Color: white}.Add(gtx.Ops)
paint.PaintOp{Rect: r2}.Add(gtx.Ops)
op.TransformOp{}.Offset(p2a).Add(gtx.Ops)
gtx.Constraints.Width.Max = int(s2)
gtx.Constraints.Height.Max = int(s2)
gtx.Constraints.Width.Min = int(s2)
gtx.Constraints.Height.Min = int(s2)
l := th.H1(fmt.Sprintf("%d", hr))
l.Alignment = text.Middle
layout.Align(layout.Center).Layout(gtx, func() {
l.Layout(gtx)
})
gtx.Dimensions.Size = image.Point{int(h1), int(h1)}
})
f.Layout(gtx, c1, c2, c3, c4)
f.Layout(gtx,
f.Rigid(gtx, appname),
f.Rigid(gtx, periphname),
f.Rigid(gtx, func() {
layout.UniformInset(unit.Dp(2)).Layout(gtx, func() {
th.Button("Stop").Layout(gtx, backBtn)
})
if backBtn.Clicked(gtx) {
ble.Disconnect(periph)
periphs = periphs[:0]
Config.Autoconnect = ""
saveConfig()
b.Scan()
state = "scanning"
page = scanpage
}
}),
f.Rigid(gtx, hrcircle),
)
}
page = offpage
@ -297,6 +316,11 @@ func eventloop() {
return
case system.FrameEvent:
gtx.Reset(e.Config, e.Size)
if e.Size.X > e.Size.Y {
wide = true
} else {
wide = false
}
resetSysinset(e.Insets)
sysinset.Layout(gtx, func() {
margin.Layout(gtx, page)