theme_resolve.go RawHistoryFolder

1package daemon
2
3import "github.com/bnema/vev/internal/usecase/theme"
4
5func (d *Daemon) applyHostTheme(sess *session, ac *attachedClient, t theme.Theme, clearUnknownScheme bool) bool {
6	if ac != nil {
7		ac.sendMu.Lock()
8		defer ac.sendMu.Unlock()
9	}
10	sess.themeMu.Lock()
11	defer sess.themeMu.Unlock()
12	return d.applyHostThemeLocked(sess, ac, t, clearUnknownScheme)
13}
14
15func (d *Daemon) applyHostThemeLocked(sess *session, ac *attachedClient, t theme.Theme, clearUnknownScheme bool) bool {
16	// Resolve while applying, never while composing. The theme mutex only
17	// publishes the completed value and is not held across session/tab/pane
18	// locks, preserving the daemon lock order.
19	applied := d.resolveAppliedTheme(t)
20	t = applied.Raw
21	sess.mu.Lock()
22	if ac != nil {
23		if _, attached := sess.attachments[ac]; !attached {
24			sess.mu.Unlock()
25			return false
26		}
27	}
28	tabs := append([]*tab(nil), sess.tabs...)
29	sess.mu.Unlock()
30
31	if ac != nil {
32		ac.setAppliedTheme(applied)
33	}
34	for _, tb := range tabs {
35		tb.mu.Lock()
36		panes := tb.panesSnapshot()
37		if floating := tb.floating.pane; floating != nil {
38			panes = append(panes, floating)
39		}
40		tb.mu.Unlock()
41		for _, p := range panes {
42			p.mu.Lock()
43			applyPaneThemeLocked(p, t, clearUnknownScheme)
44			p.mu.Unlock()
45		}
46	}
47	return true
48}
49
50func applyPaneThemeLocked(p *pane, t theme.Theme, clearUnknownScheme bool) {
51	p.screen.SetDefaultColors(t.Foreground, t.Background, t.HasFG && t.HasBG)
52	if t.SchemeKnown {
53		p.screen.SetColorScheme(t.Light)
54	} else if clearUnknownScheme {
55		p.screen.ClearColorScheme()
56	}
57}