#!/usr/bin/env python3
# -*- coding: utf-8 -*-

"""
测试2D GUI组件显示修复
验证按钮、标签、输入框是否能正常显示
"""

import warnings
warnings.filterwarnings("ignore", category=DeprecationWarning)

from direct.showbase.ShowBase import ShowBase
from direct.gui.DirectGui import *
from panda3d.core import *
import os

class GUITestApp(ShowBase):
    def __init__(self):
        ShowBase.__init__(self)
        
        # 设置背景色
        self.setBackgroundColor(0.2, 0.2, 0.3)
        
        # 尝试加载中文字体
        self.chinese_font = self.loadChineseFont()
        
        # 创建测试GUI元素
        self.createTestGUI()
        
        print("GUI测试应用启动成功!")
        print(f"中文字体加载状态: {'成功' if self.chinese_font else '失败，使用默认字体'}")
        
    def loadChineseFont(self):
        """尝试加载中文字体"""
        font_paths = [
            '/usr/share/fonts/truetype/wqy/wqy-microhei.ttc',
            '/usr/share/fonts/truetype/wqy/wqy-zenhei.ttc',
            '/usr/share/fonts/truetype/arphic/ukai.ttc',
            '/usr/share/fonts/truetype/arphic/uming.ttc',
        ]
        
        for font_path in font_paths:
            if os.path.exists(font_path):
                try:
                    font = self.loader.loadFont(font_path)
                    if font:
                        return font
                except:
                    continue
        return None
    
    def createTestGUI(self):
        """创建测试GUI元素"""
        
        # 标题
        self.title = OnscreenText(
            text="2D GUI 显示测试",
            pos=(0, 0.9),
            scale=0.08,
            fg=(1, 1, 1, 1),
            align=TextNode.ACenter,
            font=self.chinese_font if self.chinese_font else None
        )
        
        # 测试不同位置的GUI元素
        positions = [
            ("中心", (0, 0, 0)),
            ("左侧", (-5, 0, 0)),
            ("右侧", (5, 0, 0)),
            ("上方", (0, 0, 5)),
            ("下方", (0, 0, -5))
        ]
        
        self.gui_elements = []
        y_offset = 0.6
        
        for i, (name, pos) in enumerate(positions):
            # 计算屏幕位置（模拟修复后的坐标转换）
            gui_pos = (pos[0] * 0.1, 0, pos[2] * 0.1)
            
            # 创建按钮
            button = DirectButton(
                text=f"{name}按钮",
                pos=gui_pos,
                scale=0.08,
                command=self.onButtonClick,
                extraArgs=[name],
                frameColor=(0.2, 0.6, 0.8, 1),
                text_font=self.chinese_font if self.chinese_font else None,
                rolloverSound=None,
                clickSound=None
            )
            
            # 偏移位置创建标签
            label_pos = (gui_pos[0], 0, gui_pos[2] - 0.2)
            label = DirectLabel(
                text=f"{name}标签",
                pos=label_pos,
                scale=0.06,
                frameColor=(0, 0, 0, 0),
                text_fg=(1, 1, 0, 1),
                text_font=self.chinese_font if self.chinese_font else None
            )
            
            # 偏移位置创建输入框
            entry_pos = (gui_pos[0], 0, gui_pos[2] - 0.4)
            entry = DirectEntry(
                text="",
                pos=entry_pos,
                scale=0.05,
                command=self.onEntrySubmit,
                extraArgs=[name],
                initialText=f"{name}输入框",
                numLines=1,
                width=12,
                focus=0
            )
            
            self.gui_elements.extend([button, label, entry])
            
            print(f"创建了 {name} 位置的GUI元素:")
            print(f"  - 按钮位置: {gui_pos}")
            print(f"  - 标签位置: {label_pos}")
            print(f"  - 输入框位置: {entry_pos}")
        
        # 创建退出按钮
        self.exitButton = DirectButton(
            text="退出测试",
            pos=(0, 0, -0.8),
            scale=0.06,
            command=self.exitTest,
            frameColor=(0.8, 0.2, 0.2, 1),
            text_font=self.chinese_font if self.chinese_font else None
        )
        
        # 状态信息
        self.statusText = OnscreenText(
            text="如果你能看到各个位置的按钮、标签和输入框，说明修复成功!",
            pos=(0, -0.9),
            scale=0.04,
            fg=(0, 1, 0, 1),
            align=TextNode.ACenter,
            font=self.chinese_font if self.chinese_font else None
        )
    
    def onButtonClick(self, name):
        """按钮点击事件"""
        print(f"点击了 {name} 按钮")
        self.statusText.setText(f"最后点击: {name} 按钮")
    
    def onEntrySubmit(self, text, name):
        """输入框提交事件"""
        print(f"{name} 输入框内容: {text}")
        self.statusText.setText(f"{name} 输入框: {text}")
    
    def exitTest(self):
        """退出测试"""
        print("退出GUI测试")
        self.userExit()

if __name__ == "__main__":
    print("启动2D GUI显示测试...")
    print("如果修复成功，你应该能看到不同位置的按钮、标签和输入框")
    app = GUITestApp()
    app.run()