Add GTK application implementation

internal/gui/serverpanel.go

@@ -0,0 +1,115 @@
+package gui
+
+import (
+	"fmt"
+	"strings"
+
+	"github.com/diamondburned/gotk4-adwaita/pkg/adw"
+	"github.com/diamondburned/gotk4/pkg/gtk/v4"
+	"suruatoel.xyz/mcg/data"
+	"suruatoel.xyz/mcg/internal/common"
+)
+
+type serverPanel struct {
+	*adw.Bin
+
+	toolbar         *gtk.Box
+	statusFile      *gtk.Label
+	statusAudio     *gtk.Label
+	statusBitrate   *gtk.Label
+	statusErrer     *gtk.Label
+	statsArtist     *gtk.Label
+	statsAlbums     *gtk.Label
+	statsSongs      *gtk.Label
+	statsDBPlaytime *gtk.Label
+	statsPlaytime   *gtk.Label
+	statsUptime     *gtk.Label
+	outputDevices   *gtk.ListBox
+
+	outputDeviceChangeCB OutputDeviceChangeCB
+}
+
+type OutputDeviceChangeCB func(device *common.OutputDevice, enable bool)
+
+func newServerPanel() *serverPanel {
+	panel := serverPanel{}
+	panel.loadWidgets()
+
+	return &panel
+}
+
+func (p *serverPanel) loadWidgets() {
+	builder := gtk.NewBuilderFromString(data.ServerPanelXML)
+
+	p.Bin = builder.GetObject("McgServerPanel").Cast().(*adw.Bin)
+	p.toolbar = builder.GetObject("toolbar").Cast().(*gtk.Box)
+	p.statusFile = builder.GetObject("status_file").Cast().(*gtk.Label)
+	p.statusAudio = builder.GetObject("status_audio").Cast().(*gtk.Label)
+	p.statusBitrate = builder.GetObject("status_bitrate").Cast().(*gtk.Label)
+	p.statusErrer = builder.GetObject("status_error").Cast().(*gtk.Label)
+	p.statsArtist = builder.GetObject("stats_artists").Cast().(*gtk.Label)
+	p.statsAlbums = builder.GetObject("stats_albums").Cast().(*gtk.Label)
+	p.statsSongs = builder.GetObject("stats_songs").Cast().(*gtk.Label)
+	p.statsDBPlaytime = builder.GetObject("stats_dbplaytime").Cast().(*gtk.Label)
+	p.statsPlaytime = builder.GetObject("stats_playtime").Cast().(*gtk.Label)
+	p.statsUptime = builder.GetObject("stats_uptime").Cast().(*gtk.Label)
+	p.outputDevices = builder.GetObject("output_devices").Cast().(*gtk.ListBox)
+}
+
+func (p *serverPanel) ReceiveOutputDeviceChange(callback OutputDeviceChangeCB) {
+	p.outputDeviceChangeCB = callback
+}
+
+func (p *serverPanel) Toolbar() gtk.Widgetter {
+	return p.toolbar
+}
+
+func (p *serverPanel) Status(file, audio, bitrate, errorMessage string) {
+	p.statusFile.SetText(file)
+	p.statusAudio.SetText(p.formatAudio(audio))
+	p.statusBitrate.SetText(p.formatBitrate(bitrate))
+	p.statusErrer.SetText(errorMessage)
+}
+
+func (p *serverPanel) formatAudio(audio string) string {
+	parts := strings.Split(audio, ":")
+	if len(parts) == 3 {
+		return fmt.Sprintf("%s Hz, %s bit, %s channels", parts[0], parts[1], parts[2])
+	}
+
+	return ""
+}
+
+func (p *serverPanel) formatBitrate(bitrate string) string {
+	if bitrate != "" {
+		return bitrate + " kb/s"
+	}
+
+	return ""
+}
+
+func (p *serverPanel) Statistics(artists, albums, songs, dbplaytime, playtime, uptime string) {
+	p.statsArtist.SetText(artists)
+	p.statsAlbums.SetText(albums)
+	p.statsSongs.SetText(songs)
+	p.statsDBPlaytime.SetText(dbplaytime)
+	p.statsPlaytime.SetText(playtime)
+	p.statsUptime.SetText(uptime)
+}
+
+func (p *serverPanel) OutputDevices(devices []*common.OutputDevice) {
+	p.outputDevices.RemoveAll()
+	for _, device := range devices {
+		deviceButton := gtk.NewCheckButtonWithLabel(device.Name)
+		if device.Enabled {
+			deviceButton.SetActive(true)
+		}
+		deviceButton.ConnectToggled(func() {
+			if p.outputDeviceChangeCB != nil {
+				p.outputDeviceChangeCB(device, deviceButton.Active())
+			}
+		})
+
+		p.outputDevices.Insert(deviceButton, -1)
+	}
+}