init

Signed-off-by: Hadi <[email protected]>

internal/ui/audio/apps.go

@@ -0,0 +1,173 @@
+package audio
+
+import (
+	"strings"
+
+	"charm.land/bubbles/v2/key"
+	tea "charm.land/bubbletea/v2"
+	"charm.land/lipgloss/v2"
+	ilovetui "github.com/anotherhadi/ilovetui"
+	"github.com/anotherhadi/settuings/internal/audio"
+	"github.com/anotherhadi/settuings/internal/keys"
+)
+
+type appsState struct {
+	loading  bool
+	err      error
+	streams  []audio.Stream
+	cursor   int
+	pending  bool
+	feedback string
+}
+
+func newAppsState() appsState {
+	return appsState{loading: true}
+}
+
+func (m *Model) handleAppsList(msg appsListMsg) {
+	m.apps.loading = false
+	m.apps.err = msg.err
+	if msg.err != nil {
+		return
+	}
+	m.apps.streams = msg.streams
+	if m.apps.cursor >= len(m.apps.streams) {
+		m.apps.cursor = max(0, len(m.apps.streams)-1)
+	}
+}
+
+func (m *Model) handleAppsAction(msg appsActionMsg) tea.Cmd {
+	m.apps.pending = false
+	if msg.err != nil {
+		m.apps.feedback = msg.err.Error()
+		return nil
+	}
+	return fetchAppsCmd()
+}
+
+func (m Model) selectedStream() *audio.Stream {
+	if m.apps.cursor < 0 || m.apps.cursor >= len(m.apps.streams) {
+		return nil
+	}
+	return &m.apps.streams[m.apps.cursor]
+}
+
+func (m *Model) updateApps(msg tea.Msg) tea.Cmd {
+	keyMsg, ok := msg.(tea.KeyPressMsg)
+	if !ok {
+		return nil
+	}
+	g := keys.Keys.Global
+	a := keys.Keys.Audio
+
+	switch {
+	case key.Matches(keyMsg, g.Up):
+		if m.apps.cursor > 0 {
+			m.apps.cursor--
+		}
+	case key.Matches(keyMsg, g.Down):
+		if m.apps.cursor < len(m.apps.streams)-1 {
+			m.apps.cursor++
+		}
+	case key.Matches(keyMsg, g.Left):
+		return m.adjustStreamVolume(-volumeStep)
+	case key.Matches(keyMsg, g.Right):
+		return m.adjustStreamVolume(volumeStep)
+	case key.Matches(keyMsg, a.Refresh):
+		m.apps.pending = true
+		return fetchAppsCmd()
+	case key.Matches(keyMsg, a.Mute):
+		s := m.selectedStream()
+		if s == nil {
+			return nil
+		}
+		m.apps.feedback = ""
+		m.apps.pending = true
+		return appsToggleMuteCmd(s.ID)
+	}
+	return nil
+}
+
+func (m *Model) adjustStreamVolume(delta int) tea.Cmd {
+	s := m.selectedStream()
+	if s == nil {
+		return nil
+	}
+	pct := s.Volume + delta
+	if pct < 0 {
+		pct = 0
+	} else if pct > 100 {
+		pct = 100
+	}
+	s.Volume = pct
+	m.apps.feedback = ""
+	return appsSetVolumeCmd(s.ID, pct)
+}
+
+func sectionTitle(k audio.StreamKind) string {
+	if k == audio.StreamInput {
+		return "INPUT STREAMS (recording)"
+	}
+	return "OUTPUT STREAMS (playback)"
+}
+
+// windowAroundCursor picks a [start, end) slice of size items (or fewer, if
+// total is smaller) that keeps cursor in view.
+func windowAroundCursor(cursor, total, size int) (start, end int) {
+	if size >= total {
+		return 0, total
+	}
+	start = cursor - size/2
+	if start < 0 {
+		start = 0
+	}
+	if start+size > total {
+		start = total - size
+	}
+	return start, start + size
+}
+
+func (m Model) renderApps(width, height int) string {
+	if m.apps.loading {
+		return ilovetui.S.Faint.Render("Loading application streams…")
+	}
+
+	header := lipgloss.NewStyle().Bold(true).Foreground(ilovetui.S.Subtle).Render("APPLICATIONS")
+	if m.apps.pending {
+		header += mutedStyle().Render("  refreshing…")
+	}
+
+	if m.apps.err != nil {
+		return lipgloss.JoinVertical(lipgloss.Left, header, "", errorStyle().Render(m.apps.err.Error()))
+	}
+	if len(m.apps.streams) == 0 {
+		return lipgloss.JoinVertical(lipgloss.Left, header, "", ilovetui.S.Faint.Render("No application is currently playing or recording audio."))
+	}
+
+	maxItems := (height - 3) / streamRowHeight
+	if maxItems < 1 {
+		maxItems = 1
+	}
+	start, end := windowAroundCursor(m.apps.cursor, len(m.apps.streams), maxItems)
+
+	sectionStyle := lipgloss.NewStyle().Bold(true).Foreground(ilovetui.S.Subtle)
+	var b strings.Builder
+	lastKind := audio.StreamKind(-1)
+	for i := start; i < end; i++ {
+		s := m.apps.streams[i]
+		if s.Kind != lastKind {
+			b.WriteString(sectionStyle.Render(sectionTitle(s.Kind)) + "\n\n")
+			lastKind = s.Kind
+		}
+		b.WriteString(renderStreamRow(s, i == m.apps.cursor, width))
+		b.WriteString("\n\n")
+	}
+	list := strings.TrimRight(b.String(), "\n")
+
+	footer := ""
+	if m.apps.feedback != "" {
+		footer = subtleStyle().Render(m.apps.feedback)
+	}
+
+	return lipgloss.JoinVertical(lipgloss.Left, header, "", list, footer)
+}