mahefa/feufaro
2
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Remember voice states SATB

Browse source
This commit is contained in:
hasina 2026-01-19 14:53:39 +03:00
parent 4e8866a4e7
commit 2760a67d5f
1 changed files with 20 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

20
composeApp/src/desktopMain/kotlin/mg/dot/feufaro/midi/MidiPlayer.kt
View file

@ -6,6 +6,7 @@ import kotlinx.coroutines.launch
import mg.dot.feufaro.FileRepository import mg.dot.feufaro.FileRepository
import java.io.ByteArrayInputStream import java.io.ByteArrayInputStream
import java.io.File import java.io.File
import java.util.prefs.Preferences
import javax.sound.midi.MidiSystem import javax.sound.midi.MidiSystem
import javax.sound.midi.Sequencer import javax.sound.midi.Sequencer
import javax.sound.midi.Synthesizer //import javax.sound.midi.ShortMessage import javax.sound.midi.Synthesizer //import javax.sound.midi.ShortMessage
@ -27,6 +28,7 @@ actual class MediaPlayer actual constructor(
null null
} }
private val prefs = Preferences.userRoot().node("mg.dot.feufaro")
private var synthetizer = MidiSystem.getSynthesizer() as Synthesizer? private var synthetizer = MidiSystem.getSynthesizer() as Synthesizer?
private var pointA: Long = -1L private var pointA: Long = -1L
@ -53,6 +55,7 @@ actual class MediaPlayer actual constructor(
val file = File(filename) val file = File(filename)
if (file.exists()){ if (file.exists()){
sequencer?.sequence = MidiSystem.getSequence(file) sequencer?.sequence = MidiSystem.getSequence(file)
loadVoiceStates()
applyVoiceStates() applyVoiceStates()
sequencer?.addMetaEventListener { meta -> sequencer?.addMetaEventListener { meta ->
if(meta.type == 47){ if(meta.type == 47){
@ -170,6 +173,7 @@ actual class MediaPlayer actual constructor(
actual fun toggleVoice(index: Int) { actual fun toggleVoice(index: Int) {
voiceStates[index] = !voiceStates[index] voiceStates[index] = !voiceStates[index]
saveVoiceStates()
applyVoiceStates() applyVoiceStates()
} }
@ -231,4 +235,20 @@ actual class MediaPlayer actual constructor(
e.printStackTrace() e.printStackTrace()
} }
} }
private fun saveVoiceStates() {
val data = voiceStates.joinToString(",")
prefs.put("voice_states", data)
}
private fun loadVoiceStates() {
val defaultValue = "true,true,true,true"
val savedData = prefs.get("voice_states", defaultValue)
val states = savedData.split(",").map { it.toBoolean() }
for (i in 0 until 4) {
if (i < states.size) voiceStates[i] = states[i]
}
}
} }