sointu/tracker/gioui/layout.go
vsariola 7893c1d1ed feat(tracker, gioui): add confirmation dialogs before quit/new/load song
This should avoid accidentally losing all work by destroying window.
2021-04-16 22:42:51 +03:00

99 lines
2.4 KiB
Go

package gioui
import (
"image"
"gioui.org/app"
"gioui.org/layout"
"gioui.org/op/clip"
"gioui.org/op/paint"
"github.com/vsariola/sointu/tracker"
)
type C = layout.Context
type D = layout.Dimensions
func (t *Tracker) Layout(gtx layout.Context) {
paint.FillShape(gtx.Ops, backgroundColor, clip.Rect(image.Rect(0, 0, gtx.Constraints.Max.X, gtx.Constraints.Max.Y)).Op())
t.VerticalSplit.Layout(gtx,
t.layoutTop,
t.layoutBottom)
t.Alert.Layout(gtx)
dstyle := ConfirmDialog(t.Theme, t.ConfirmInstrDelete, "Are you sure you want to delete this instrument?")
dstyle.Layout(gtx)
dstyle = ConfirmDialog(t.Theme, t.ConfirmSongDialog, "Do you want to save your changes to the song? Your changes will be lost if you don't save them.")
dstyle.ShowAlt = true
dstyle.OkStyle.Text = "Save"
dstyle.AltStyle.Text = "Don't save"
dstyle.Layout(gtx)
for t.ConfirmSongDialog.BtnOk.Clicked() {
if t.SaveSongFile() {
t.confirmedSongAction()
}
t.ConfirmSongDialog.Visible = false
}
for t.ConfirmSongDialog.BtnAlt.Clicked() {
t.confirmedSongAction()
t.ConfirmSongDialog.Visible = false
}
for t.ConfirmSongDialog.BtnCancel.Clicked() {
t.ConfirmSongDialog.Visible = false
}
}
func (t *Tracker) confirmedSongAction() {
switch t.ConfirmSongActionType {
case ConfirmLoad:
t.loadSong()
case ConfirmNew:
t.ResetSong()
t.SetFilePath("")
t.window.Option(app.Title("Sointu Tracker"))
t.ClearUndoHistory()
t.SetChangedSinceSave(false)
case ConfirmQuit:
t.quitted = true
}
}
func (t *Tracker) TryResetSong() {
if t.ChangedSinceSave() {
t.ConfirmSongActionType = ConfirmNew
t.ConfirmSongDialog.Visible = true
return
}
t.ResetSong()
t.SetFilePath("")
t.window.Option(app.Title("Sointu Tracker"))
t.ClearUndoHistory()
t.SetChangedSinceSave(false)
}
func (t *Tracker) TryQuit() bool {
if t.ChangedSinceSave() {
t.ConfirmSongActionType = ConfirmQuit
t.ConfirmSongDialog.Visible = true
return false
}
t.quitted = true
return true
}
func (t *Tracker) layoutBottom(gtx layout.Context) layout.Dimensions {
return t.BottomHorizontalSplit.Layout(gtx,
func(gtx C) D {
return Surface{Gray: 24, Focus: t.EditMode() == tracker.EditPatterns}.Layout(gtx, t.layoutPatterns)
},
func(gtx C) D {
return Surface{Gray: 24, Focus: t.EditMode() == tracker.EditTracks}.Layout(gtx, t.layoutTracker)
},
)
}
func (t *Tracker) layoutTop(gtx layout.Context) layout.Dimensions {
return t.TopHorizontalSplit.Layout(gtx,
t.layoutSongPanel,
t.layoutInstruments,
)
}