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