feat(player): Add ,/. to step by a frame

gabe565 · May 1, 2024 · 857361e · 857361e
1 parent b9c29ef
commit 857361e
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Showing 2 changed files with 24 additions and 0 deletions.
diff --git a/internal/player/keymap.go b/internal/player/keymap.go
@@ -60,6 +60,14 @@ func newKeymap() keymap {
 			key.WithKeys("shift+right", "L", "D"),
 			key.WithHelp("shift+right", "jump forward"),
 		),
+		stepPrev: key.NewBinding(
+			key.WithKeys(","),
+			key.WithHelp(", (when paused)", "step backward"),
+		),
+		stepNext: key.NewBinding(
+			key.WithKeys("."),
+			key.WithHelp(". (when paused)", "step forward"),
+		),
 		help: key.NewBinding(
 			key.WithKeys("?"),
 			key.WithHelp("?", "help"),
@@ -80,6 +88,8 @@ type keymap struct {
 	jump       key.Binding
 	jumpPrev   key.Binding
 	jumpNext   key.Binding
+	stepPrev   key.Binding
+	stepNext   key.Binding
 	help       key.Binding
 }
 
@@ -105,6 +115,10 @@ func (k keymap) FullHelp() [][]key.Binding {
 			k.jump,
 			k.jumpPrev,
 			k.jumpNext,
+			k.stepPrev,
+			k.stepNext,
+		},
+		{
 			k.help,
 			k.quit,
 		},

diff --git a/internal/player/player.go b/internal/player/player.go
@@ -148,6 +148,16 @@ func (p *Player) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 			if p.isPlaying() {
 				return p, p.play()
 			}
+		case key.Matches(msg, p.keymap.stepPrev):
+			if !p.isPlaying() && p.frame > 0 {
+				p.frame--
+				return p, nil
+			}
+		case key.Matches(msg, p.keymap.stepNext):
+			if !p.isPlaying() && p.frame < len(p.movie.Frames)-1 {
+				p.frame++
+				return p, nil
+			}
 		case key.Matches(msg, p.keymap.jumps...):
 			for i, binding := range p.keymap.jumps {
 				if key.Matches(msg, binding) {