add iot command for theme switch (#364)

main/Kconfig.projbuild

@@ -216,13 +216,7 @@ config USE_WECHAT_MESSAGE_STYLE
     bool "使用微信聊天界面风格"
     default n
     help
-        使用微信聊天界面风格
-
-config USE_DARK_MODE
-    bool "使用深色模式"
-    default n
-    help
-        使用深色模式       
+        使用微信聊天界面风格   
 
 config USE_AUDIO_PROCESSOR
     bool "启用音频降噪、增益处理"

main/boards/bread-compact-wifi-lcd/compact_wifi_board_lcd.cc

@@ -155,6 +155,7 @@ private:
         if (DISPLAY_BACKLIGHT_PIN != GPIO_NUM_NC) {
             thing_manager.AddThing(iot::CreateThing("Backlight"));
         }
+        thing_manager.AddThing(iot::CreateThing("Screen"));
     }
 
 public:

main/boards/lichuang-dev/lichuang_dev_board.cc

@@ -122,7 +122,11 @@ private:
                                     {
                                         .text_font = &font_puhui_20_4,
                                         .icon_font = &font_awesome_20_4,
+#if CONFIG_USE_WECHAT_MESSAGE_STYLE
+                                        .emoji_font = font_emoji_32_init(),
+#else
                                         .emoji_font = font_emoji_64_init(),
+#endif
                                     });
     }
 
@@ -131,6 +135,7 @@ private:
         auto& thing_manager = iot::ThingManager::GetInstance();
         thing_manager.AddThing(iot::CreateThing("Speaker"));
         thing_manager.AddThing(iot::CreateThing("Backlight"));
+        thing_manager.AddThing(iot::CreateThing("Screen"));
     }
 
 public:

main/display/display.h

@@ -25,6 +25,8 @@ public:
     virtual void SetEmotion(const char* emotion);
     virtual void SetChatMessage(const char* role, const char* content);
     virtual void SetIcon(const char* icon);
+    virtual void SetTheme(const std::string& theme_name){}
+    virtual std::string GetTheme() { return "light"; }
 
     inline int width() const { return width_; }
     inline int height() const { return height_; }

main/display/lcd_display.h

@@ -38,6 +38,10 @@ public:
 #if CONFIG_USE_WECHAT_MESSAGE_STYLE
     virtual void SetChatMessage(const char* role, const char* content) override; 
 #endif  
+
+    // Add theme switching function
+    virtual void SetTheme(const std::string& theme_name) override;
+    virtual std::string GetTheme() override;
 };
 
 // RGB LCD显示器

main/iot/things/screen.cc

@@ -0,0 +1,38 @@
+#include "iot/thing.h"
+#include "board.h"
+#include "display/lcd_display.h"
+#include "settings.h"
+
+#include <esp_log.h>
+#include <string>
+
+#define TAG "Screen"
+
+namespace iot {
+
+// 这里仅定义 Screen 的属性和方法，不包含具体的实现
+class Screen : public Thing {
+public:
+    Screen() : Thing("Screen", "这是一个屏幕，可设置主题") {
+        // 定义设备的属性
+        properties_.AddStringProperty("theme", "主题", [this]() -> std::string {
+            auto theme = Board::GetInstance().GetDisplay()->GetTheme();
+            return theme;
+        });
+
+        // 定义设备可以被远程执行的指令
+        methods_.AddMethod("SetTheme", "设置屏幕主题", ParameterList({
+            Parameter("theme_name", "主题模式, light 或 dark", kValueTypeString, true)
+        }), [this](const ParameterList& parameters) {
+            std::string theme_name = static_cast<std::string>(parameters["theme_name"].string());
+            auto display = Board::GetInstance().GetDisplay();
+            if (display) {
+                display->SetTheme(theme_name);
+            }
+        });
+    }
+};
+
+} // namespace iot
+
+DECLARE_THING(Screen);