feat: textarea布局优化 - 全宽/自适应高度(最多7行)/深色背景/窗口尺寸响应

changelog.md

@@ -63,6 +63,7 @@
 
 **改进内容**:
 - ✅ 模块7: 多行输入 - textarea组件替换textinput
+- ✅ 模块7补充: 布局和样式优化 - 全宽/自适应高度/深色背景
 - ⏳ 模块8: 弹出框组件 - 通用modal
 - ⏳ 模块9: 斜杠命令菜单 - / 命令选择器
 - ⏳ 模块10: 翻译结果滚动 - viewport

internal/tui/app.go

@@ -2,6 +2,7 @@ package tui
 
 import (
 	"context"
+	"strings"
 
 	"github.com/charmbracelet/bubbles/textarea"
 	"github.com/charmbracelet/bubbletea"
@@ -19,6 +20,8 @@ type model struct {
 	targetLang string
 	langIndex  int
 	loading    bool
+	width      int
+	height     int
 }
 
 type translateMsg struct {
@@ -32,10 +35,6 @@ var (
 			Bold(true)
 	dividerStyle = lipgloss.NewStyle().
 			Foreground(lipgloss.Color("#00D9FF"))
-	inputStyle = lipgloss.NewStyle().
-			Foreground(lipgloss.Color("#FAFAFA")).
-			Background(lipgloss.Color("#1A1A2E")).
-			Width(50)
 	resultStyle = lipgloss.NewStyle().
 			Foreground(lipgloss.Color("#98FB98")).
 			Background(lipgloss.Color("#0D1B2A"))
@@ -46,13 +45,10 @@ var (
 			Foreground(lipgloss.Color("#888888"))
 	statusBarStyle = lipgloss.NewStyle().
 			Foreground(lipgloss.Color("#FFFFFF")).
-			Background(lipgloss.Color("#1F2937")).
+			Background(lipgloss.Color("#1F2937"))
-			Width(60)
 	langStyle = lipgloss.NewStyle().
 			Foreground(lipgloss.Color("#FBBF24")).
 			Bold(true)
-	keyStyle = lipgloss.NewStyle().
-			Foreground(lipgloss.Color("#60A5FA"))
 	loadingStyle = lipgloss.NewStyle().
 			Foreground(lipgloss.Color("#60A5FA"))
 )
@@ -69,9 +65,12 @@ func NewApp(cfg *config.Config, t *translator.Translator) *tea.Program {
 	ta.Placeholder = "输入要翻译的文本..."
 	ta.Focus()
 	ta.Prompt = ""
-	ta.SetWidth(50)
-	ta.SetHeight(5)
 	ta.ShowLineNumbers = false
+	ta.SetHeight(3)
+
+	ta.FocusedStyle.Base = lipgloss.NewStyle().
+		Background(lipgloss.Color("#1A1A2E")).
+		Foreground(lipgloss.Color("#FAFAFA"))
 
 	return tea.NewProgram(model{
 		config:     cfg,
@@ -89,6 +88,11 @@ func (m model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 	var cmd tea.Cmd
 
 	switch msg := msg.(type) {
+	case tea.WindowSizeMsg:
+		m.width = msg.Width
+		m.height = msg.Height
+		m.updateTextAreaWidth()
+
 	case translateMsg:
 		m.loading = false
 		if msg.err != nil {
@@ -98,6 +102,7 @@ func (m model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 			m.result = msg.result
 			m.errMsg = ""
 		}
+		m.updateTextAreaHeight()
 		return m, nil
 
 	case tea.KeyMsg:
@@ -114,10 +119,6 @@ func (m model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 			m.errMsg = ""
 			return m, m.doTranslate(text, m.targetLang)
 
-		case tea.KeyCtrlJ:
-			m.textArea, cmd = m.textArea.Update(msg)
-			return m, cmd
-
 		case tea.KeyCtrlC:
 			return m, tea.Quit
 
@@ -138,9 +139,35 @@ func (m model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 	}
 
 	m.textArea, cmd = m.textArea.Update(msg)
+	m.updateTextAreaHeight()
 	return m, cmd
 }
 
+func (m model) updateTextAreaWidth() {
+	if m.width > 0 {
+		margin := 4
+		width := m.width - margin
+		if width < 20 {
+			width = 60
+		}
+		m.textArea.SetWidth(width)
+	}
+}
+
+func (m model) updateTextAreaHeight() {
+	lines := strings.Count(m.textArea.Value(), "\n") + 1
+	if lines < 1 {
+		lines = 1
+	}
+	if lines > 7 {
+		lines = 7
+	}
+	if lines < 3 {
+		lines = 3
+	}
+	m.textArea.SetHeight(lines)
+}
+
 func (m model) doTranslate(text, toLang string) tea.Cmd {
 	return func() tea.Msg {
 		result, err := m.translator.Translate(
@@ -159,34 +186,49 @@ func (m model) doTranslate(text, toLang string) tea.Cmd {
 }
 
 func (m model) View() string {
+	margin := "  "
 	resultBox := m.renderResult()
 
 	return "\n" +
-		"  " + headerStyle.Render("YOYO翻译") + "\n" +
+		margin + headerStyle.Render("YOYO翻译") + "\n" +
-		"  " + dividerStyle.Render("─────────────────────") + "\n\n" +
+		margin + dividerStyle.Render(getDivider(m.width-2)) + "\n\n" +
-		m.textArea.View() + "\n\n" +
+		margin + m.textArea.View() + "\n\n" +
-		resultBox +
+		margin + resultBox +
+		margin + dividerStyle.Render(getDivider(m.width-2)) + "\n" +
 		m.renderStatusBar()
 }
 
+func getDivider(width int) string {
+	if width < 10 {
+		width = 40
+	}
+	result := ""
+	for i := 0; i < width-4; i++ {
+		result += "─"
+	}
+	return result
+}
+
 func (m model) renderResult() string {
 	if m.loading {
-		return "  " + loadingStyle.Render("正在翻译...") + "\n\n"
+		return loadingStyle.Render("正在翻译...") + "\n\n"
 	}
 	if m.errMsg != "" {
-		return "  " + errorStyle.Render("错误: "+m.errMsg) + "\n\n"
+		return errorStyle.Render("错误: "+m.errMsg) + "\n\n"
 	}
 	if m.result == "" {
-		return "  " + helpStyle.Render("翻译结果将显示在这里...") + "\n\n"
+		return helpStyle.Render("翻译结果将显示在这里...") + "\n\n"
 	}
-	return "  " + resultStyle.Render(m.result) + "\n\n"
+	return resultStyle.Render(m.result) + "\n\n"
 }
 
 func (m model) renderStatusBar() string {
-	divider := dividerStyle.Render("─")
+	width := m.width - 4
+	if width < 30 {
+		width = 60
+	}
 	langInfo := langStyle.Render("目标: " + m.targetLang)
 	hint := helpStyle.Render("按 / 显示命令")
 
-	return "  " + divider + "\n" +
+	return "  " + statusBarStyle.Render(" "+langInfo+"  ") + "  " + hint
-		"  " + statusBarStyle.Render("  "+langInfo+"  ") + "  " + hint
 }