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feat(tracker): implement alerts that display useful notifications / errors

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In particular, we show notification after the user has copied something to clipboard (#34) and when there is a patch compile error (#38).
This commit is contained in:
vsariola
2021-02-17 23:30:07 +02:00
parent 319fc5e853
commit a27494e17d
7 changed files with 141 additions and 5 deletions
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22
tracker/instruments.go
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@ -1,8 +1,10 @@
package tracker
import (
"fmt"
"image"
"strconv"
"time"
"gioui.org/io/clipboard"
"gioui.org/io/pointer"
@ -104,6 +106,7 @@ func (t *Tracker) layoutInstrumentHeader(gtx C) D {
contents, err := yaml.Marshal(t.song.Patch.Instruments[t.CurrentInstrument])
if err == nil {
clipboard.WriteOp{Text: string(contents)}.Add(gtx.Ops)
t.Alert.Update("Instrument copied to clipboard", Notify, time.Second*3)
}
}
for t.DeleteInstrumentBtn.Clicked() {
@ -185,19 +188,20 @@ func (t *Tracker) layoutInstrumentEditor(gtx C) D {
addUnitBtnStyle.Background = t.Theme.Fg
addUnitBtnStyle.Inset = layout.UniformInset(unit.Dp(4))
for len(t.StackUse) < len(t.song.Patch.Instruments[t.CurrentInstrument].Units) {
units := t.song.Patch.Instruments[t.CurrentInstrument].Units
for len(t.StackUse) < len(units) {
t.StackUse = append(t.StackUse, 0)
}
stackHeight := 0
for i, u := range t.song.Patch.Instruments[t.CurrentInstrument].Units {
for i, u := range units {
stackHeight += u.StackChange()
t.StackUse[i] = stackHeight
}
element := func(gtx C, i int) D {
gtx.Constraints = layout.Exact(image.Pt(gtx.Px(unit.Dp(120)), gtx.Px(unit.Dp(20))))
u := t.song.Patch.Instruments[t.CurrentInstrument].Units[i]
u := units[i]
unitNameLabel := LabelStyle{Text: u.Type, ShadeColor: black, Color: white, Font: labelDefaultFont, FontSize: unit.Sp(12)}
if unitNameLabel.Text == "" {
unitNameLabel.Text = "---"
@ -210,8 +214,16 @@ func (t *Tracker) layoutInstrumentEditor(gtx C) D {
if i > 0 {
prevStackUse = t.StackUse[i-1]
}
if u.StackNeed() > prevStackUse || (i == len(t.StackUse)-1 && t.StackUse[i] != 0) {
if stackNeed := u.StackNeed(); stackNeed > prevStackUse {
unitNameLabel.Color = errorColor
typeString := u.Type
if u.Parameters["stereo"] == 1 {
typeString += " (stereo)"
}
t.Alert.Update(fmt.Sprintf("%v needs at least %v input signals, got %v", typeString, stackNeed, prevStackUse), Error, 0)
} else if i == len(units)-1 && t.StackUse[i] != 0 {
unitNameLabel.Color = warningColor
t.Alert.Update(fmt.Sprintf("Instrument leaves %v signal(s) on the stack", t.StackUse[i]), Warning, 0)
}
}
stackLabel := LabelStyle{Text: stackText, ShadeColor: black, Color: mediumEmphasisTextColor, Font: labelDefaultFont, FontSize: unit.Sp(12)}
@ -224,7 +236,7 @@ func (t *Tracker) layoutInstrumentEditor(gtx C) D {
)
}
unitList := FilledDragList(t.Theme, t.UnitDragList, len(t.song.Patch.Instruments[t.CurrentInstrument].Units), element, t.SwapUnits)
unitList := FilledDragList(t.Theme, t.UnitDragList, len(units), element, t.SwapUnits)
if t.EditMode == EditUnits {
unitList.SelectedColor = cursorColor