开始主题设置

app/components/ThemeSettings.vue

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+<template>
+  <!-- 设置面板 -->
+  <Transition
+    enter-active-class="transition-transform duration-300 ease-out"
+    enter-from-class="translate-x-full"
+    enter-to-class="translate-x-0"
+    leave-active-class="transition-transform duration-300 ease-in"
+    leave-from-class="translate-x-0"
+    leave-to-class="translate-x-full"
+  >
+    <div 
+      v-if="isOpen"
+      class="fixed right-0 top-16 h-[calc(100vh-4rem)] w-full sm:w-96 bg-white dark:bg-gray-900 shadow-2xl z-40 overflow-y-auto border-l border-gray-200 dark:border-gray-700 custom-scrollbar"
+    >
+      <!-- 头部 -->
+      <div class="sticky top-0 bg-white dark:bg-gray-900 border-b border-gray-200 dark:border-gray-700 px-6 py-4">
+        <div class="flex items-center justify-between">
+          <h2 class="text-lg font-semibold text-gray-900 dark:text-white">页面设置</h2>
+          <UButton
+            color="neutral"
+            variant="ghost"
+            icon="i-lucide-x"
+            square
+            @click="$emit('close')"
+          />
+        </div>
+      </div>
+
+      <!-- 设置内容 -->
+      <div class="p-6 space-y-8">
+        <!-- 主题 -->
+        <div>
+          <h3 class="text-base font-medium text-gray-900 dark:text-white mb-4">主题</h3>
+          <div class="grid grid-cols-3 gap-3">
+            <UButton
+              v-for="theme in themes"
+              :key="theme.value"
+              :label="theme.label"
+              :color="selectedTheme === theme.value ? 'primary' : 'neutral'"
+              :variant="selectedTheme === theme.value ? 'solid' : 'outline'"
+              size="sm"
+              class="justify-center"
+              @click="selectedTheme = theme.value"
+            />
+          </div>
+        </div>
+
+        <!-- 字体 -->
+        <div>
+          <h3 class="text-base font-medium text-gray-900 dark:text-white mb-4">字体</h3>
+          <div class="grid grid-cols-3 gap-3">
+            <UButton
+              v-for="font in fonts"
+              :key="font.value"
+              :label="font.label"
+              :color="selectedFont === font.value ? 'primary' : 'neutral'"
+              :variant="selectedFont === font.value ? 'solid' : 'outline'"
+              size="sm"
+              class="justify-center"
+              @click="selectedFont = font.value"
+            />
+          </div>
+        </div>
+
+        <!-- 字号 -->
+        <div>
+          <h3 class="text-base font-medium text-gray-900 dark:text-white mb-4">字号</h3>
+          <div class="grid grid-cols-5 gap-2">
+            <UButton
+              v-for="size in fontSizes"
+              :key="size.value"
+              :label="size.label"
+              :color="selectedFontSize === size.value ? 'primary' : 'neutral'"
+              :variant="selectedFontSize === size.value ? 'solid' : 'outline'"
+              size="xs"
+              class="justify-center"
+              @click="selectedFontSize = size.value"
+            />
+          </div>
+        </div>
+
+        <!-- 主题色 -->
+        <div>
+          <h3 class="text-base font-medium text-gray-900 dark:text-white mb-4">主题色</h3>
+          <div class="grid grid-cols-2 gap-3">
+            <UButton
+              v-for="color in themeColors"
+              :key="color.value"
+              :color="selectedThemeColor === color.value ? 'primary' : 'neutral'"
+              :variant="selectedThemeColor === color.value ? 'solid' : 'outline'"
+              size="sm"
+              class="justify-start"
+              @click="selectedThemeColor = color.value"
+            >
+              <template #leading>
+                <div 
+                  class="w-4 h-4 rounded-full border border-gray-300 dark:border-gray-600"
+                  :style="{ backgroundColor: color.color }"
+                />
+              </template>
+              <span>{{ color.label }}</span>
+            </UButton>
+          </div>
+        </div>
+
+        <!-- 自定义主题色 -->
+        <div>
+          <h3 class="text-base font-medium text-gray-900 dark:text-white mb-4">自定义主题色</h3>
+          <div class="flex items-center space-x-3">
+            <input
+              v-model="customColor"
+              type="color"
+              class="w-12 h-10 rounded-md border border-gray-300 dark:border-gray-600 cursor-pointer"
+            >
+            <UButton
+              label="应用"
+              color="primary"
+              variant="solid"
+              size="sm"
+              @click="applyCustomColor"
+            />
+          </div>
+        </div>
+
+        <!-- 代码块主题 -->
+        <div>
+          <h3 class="text-base font-medium text-gray-900 dark:text-white mb-4">代码块主题</h3>
+          <USelect
+            v-model="selectedCodeTheme"
+            :options="codeThemes"
+            option-attribute="label"
+            value-attribute="value"
+            placeholder="选择代码主题"
+          />
+        </div>
+
+        <!-- 图注格式 -->
+        <div>
+          <h3 class="text-base font-medium text-gray-900 dark:text-white mb-4">图注格式</h3>
+          <div class="grid grid-cols-2 gap-3">
+            <UButton
+              v-for="format in captionFormats"
+              :key="format.value"
+              :label="format.label"
+              :color="selectedCaptionFormat === format.value ? 'primary' : 'neutral'"
+              :variant="selectedCaptionFormat === format.value ? 'solid' : 'outline'"
+              size="sm"
+              class="justify-center"
+              @click="selectedCaptionFormat = format.value"
+            />
+          </div>
+          <div class="mt-3">
+            <UButton
+              label="不显示"
+              :color="selectedCaptionFormat === 'none' ? 'primary' : 'neutral'"
+              :variant="selectedCaptionFormat === 'none' ? 'solid' : 'outline'"
+              size="sm"
+              class="w-full justify-center"
+              @click="selectedCaptionFormat = 'none'"
+            />
+          </div>
+        </div>
+
+        <!-- 重置按钮 -->
+        <div class="pt-4 border-t border-gray-200 dark:border-gray-700">
+          <UButton
+            label="重置为默认设置"
+            color="neutral"
+            variant="soft"
+            size="sm"
+            class="w-full justify-center"
+            @click="resetSettings"
+          />
+        </div>
+      </div>
+    </div>
+  </Transition>
+</template>
+
+<script setup lang="ts">
+interface ThemeSettingsProps {
+  isOpen: boolean
+}
+
+defineProps<ThemeSettingsProps>()
+
+const emit = defineEmits<{
+  close: []
+}>()
+
+const {
+  themes,
+  fonts,
+  fontSizes,
+  themeColors,
+  codeThemes,
+  captionFormats,
+  selectedTheme,
+  selectedFont,
+  selectedFontSize,
+  selectedThemeColor,
+  customColor,
+  selectedCodeTheme,
+  selectedCaptionFormat,
+  applyCustomColor,
+  resetSettings
+} = useTheme();
+
+// 监听键盘事件（只监听 ESC 键）
+onMounted(() => {
+  const handleKeydown = (event: KeyboardEvent) => {
+    if (event.key === 'Escape') {
+      emit('close')
+    }
+  }
+  
+  document.addEventListener('keydown', handleKeydown)
+  
+  onUnmounted(() => {
+    document.removeEventListener('keydown', handleKeydown)
+  })
+})
+</script>