Definition viewport now uses all available space

1 files changed, 11 insertions, 3 deletions

diff --git a/main.go b/main.go
index 0ba5bbb..aa716e5 100644
--- a/main.go
+++ b/main.go
@@ -94,7 +94,7 @@ func (m model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 	case definitionMsg:
 		m.currentDefinition = string(msg)
 		m.err = nil
-		m.vp.SetContent(formatDefinitionForDisplay(m.p, m.currentDefinition))
+		m.vp.SetContent(formatDefinitionForDisplay(m.p, m.currentDefinition, m.vp.Width))
 		return m, nil
 	case wordAddedMsg:
 		m.wordAddStatus = fmt.Sprintf("✅ Added '%s' to Anki", string(msg))
@@ -103,6 +103,12 @@ func (m model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 		m.wordInput.SetValue("")
 		m.vp.SetContent("")
 		m.err = nil
+	case tea.WindowSizeMsg:
+		// headerHeight is the height of everything above the definition window.
+		headerHeight := 11
+		m.vp.Width = msg.Width
+		m.vp.Height = msg.Height - headerHeight
+		m.vp.SetContent(formatDefinitionForDisplay(m.p, m.currentDefinition, m.vp.Width))
 	case tea.KeyMsg:
 		switch msg.Type {
 		case tea.KeyCtrlC:
@@ -148,14 +154,16 @@ func (m model) View() string {
 	) + "\n"
 }
 
-func formatDefinitionForDisplay(policy bluemonday.Policy, definition string) string {
+func formatDefinitionForDisplay(policy bluemonday.Policy, definition string, maxWidth int) string {
 	str := strings.ReplaceAll(definition, "<li class=sense>", "<li class=sense>- ")
 	str = strings.ReplaceAll(str, "\t<ul><li><i>", "\n\t<ul><li><i>\x1b[3;39;49m")
 	str = strings.ReplaceAll(str, "</i></li></ul></li>", "</i></li></ul></li>\x1b[0m")
 	str = policy.Sanitize(str)
 	str = strings.ReplaceAll(str, "\t- ", "\x1b[0;33;49m•\x1b[0m ")
 
-	return wordwrap.String(str, 72)
+	width := min(maxWidth, 80)
+
+	return wordwrap.String(str, width)
 }
 
 func formatStatus(lastError error, lastSuccess string) string {