theme_resolve.go RawHistoryFolder

1package daemon
2
3import (
4	"github.com/bnema/vev/internal/domain/terminalcap"
5	"github.com/bnema/vev/internal/usecase/theme"
6)
7
8func (d *Daemon) applyHostTheme(sess *session, ac *attachedClient, t theme.Theme, clearUnknownScheme bool) bool {
9	if ac != nil {
10		ac.sendMu.Lock()
11		defer ac.sendMu.Unlock()
12	}
13	sess.themeMu.Lock()
14	defer sess.themeMu.Unlock()
15	return d.applyHostThemeLocked(sess, ac, t, clearUnknownScheme)
16}
17
18// applyHostThemeLocked requires sess.themeMu (and ac.sendMu when ac is non-nil),
19// not d.mu.
20func (d *Daemon) applyHostThemeLocked(sess *session, ac *attachedClient, t theme.Theme, clearUnknownScheme bool) bool {
21	// Resolve while applying, never while composing. The theme mutex only
22	// publishes the completed value and is not held across session/tab/pane
23	// locks, preserving the daemon lock order.
24	var color terminalcap.ColorCapabilities
25	if ac != nil {
26		color = ac.terminalCapabilities.Color
27	}
28	applied := d.resolveAppliedTheme(t, color)
29	t = applied.Raw
30	sess.mu.Lock()
31	if ac != nil {
32		if _, attached := sess.attachments[ac]; !attached {
33			sess.mu.Unlock()
34			return false
35		}
36	}
37	tabs := append([]*tab(nil), sess.tabs...)
38	sess.mu.Unlock()
39
40	if ac != nil {
41		ac.setAppliedTheme(applied)
42	}
43	for _, tb := range tabs {
44		tb.mu.Lock()
45		panes := tb.panesSnapshot()
46		if floating := tb.floating.pane; floating != nil {
47			panes = append(panes, floating)
48		}
49		tb.mu.Unlock()
50		for _, p := range panes {
51			p.mu.Lock()
52			applyPaneThemeLocked(p, t, clearUnknownScheme)
53			p.mu.Unlock()
54		}
55	}
56	// An unclaimed spare answers color queries too, so it follows the theme.
57	if spare := sess.floatingSparePane(); spare != nil {
58		spare.mu.Lock()
59		applyPaneThemeLocked(spare, t, clearUnknownScheme)
60		spare.mu.Unlock()
61	}
62	return true
63}
64
65func applyPaneThemeLocked(p *pane, t theme.Theme, clearUnknownScheme bool) {
66	p.screen.SetDefaultColors(t.Foreground, t.Background, t.HasFG && t.HasBG)
67	if t.SchemeKnown {
68		p.screen.SetColorScheme(t.Light)
69	} else if clearUnknownScheme {
70		p.screen.ClearColorScheme()
71	}
72}