gui.py

import sys
from PyQt6.QtWidgets import QApplication, QWidget, QVBoxLayout, QLabel, QFileDialog
from PyQt6.QtCore import Qt
from PyQt6.QtGui import QDropEvent,QPixmap, QPainter, QFont, QColor,QFontMetrics,QIcon,QDragEnterEvent
import os
from ncmdump import dump

class DragDropWidget(QWidget):
    def __init__(self, parent=None):
        super().__init__(parent)
        self.setAcceptDrops(True)
        self.init_ui()

    def init_ui(self):
        self.setWindowTitle("NCM转换器")
        self.setGeometry(100, 100, 400, 400)
        self.setMinimumSize(200, 200) 
        self.setWindowIcon(QIcon(self.get_resource_path("file/favicon-32x32.png")))
        # 加载图片
        self.original_pixmap = QPixmap(self.get_resource_path("file/bk_l.png"))
        
        # 修改标签布局方式
        layout = QVBoxLayout()
        self.label = QLabel(self)
        layout.addWidget(self.label)
        self.setLayout(layout)
        
        self.update_text('将ncm文件拖拽到此处')

    # 添加 resizeEvent 处理函数
    def resizeEvent(self, event):
        super().resizeEvent(event)
        # 当窗口大小改变时，更新文本显示
        self.update_text(self.label.text())

    def update_text(self, text):
        resized_pixmap = self.original_pixmap.scaled(self.label.size(), Qt.AspectRatioMode.KeepAspectRatio, Qt.TransformationMode.SmoothTransformation)
        pixmap = resized_pixmap.copy()
        painter = QPainter(pixmap)
        painter.setRenderHint(QPainter.RenderHint.Antialiasing)  # 添加抗锯齿

        # 调整字体设置
        font_size = 18  # 增大字号
        font = QFont('Microsoft YaHei', font_size)  # 使用微软雅黑字体
        font.setBold(True)  # 设置为粗体
        painter.setFont(font)
        font_metrics = QFontMetrics(font)

        # 文本分行处理保持不变
        text_lines = []
        if len(text) > 30:
            words = text.split('：', 1)
            if len(words) > 1:
                text_lines.append(words[0] + '：')
                remaining_text = words[1]
                while remaining_text:
                    if len(remaining_text) > 20:
                        text_lines.append(remaining_text[:20])
                        remaining_text = remaining_text[20:]
                    else:
                        text_lines.append(remaining_text)
                        break
        else:
            text_lines = [text]

        # 计算文本位置
        total_height = len(text_lines) * font_metrics.height()
        current_y = (pixmap.height() - total_height) // 2 + font_metrics.ascent()

        # 绘制文本阴影和主文本
        for line in text_lines:
            text_width = font_metrics.horizontalAdvance(line)
            x = (pixmap.width() - text_width) // 2
            
            # 绘制阴影
            painter.setPen(QColor(0, 0, 0, 160))  # 半透明黑色阴影
            shadow_offset = 2  # 阴影偏移量
            painter.drawText(x + shadow_offset, current_y + shadow_offset, line)
            
            # 绘制主文本
            painter.setPen(QColor('white'))  # 使用白色作为主文本颜色
            painter.drawText(x, current_y, line)
            
            current_y += font_metrics.height()

        painter.end()
        self.label.setPixmap(pixmap)

    def get_resource_path(self,relative_path):
        if hasattr(sys, '_MEIPASS'):
            return os.path.join(sys._MEIPASS, relative_path)
        return os.path.join(os.path.abspath("."), relative_path)


    def dragEnterEvent(self, event: QDragEnterEvent):
        if event.mimeData().hasUrls():
            event.acceptProposedAction()

    # 添加鼠标点击事件处理
    def mouseDoubleClickEvent(self, event):
        if event.button() == Qt.MouseButton.LeftButton:
            self.select_files()
    
    # 添加文件选择方法
    def select_files(self):
        files, _ = QFileDialog.getOpenFileNames(
            self,
            "选择NCM文件",
            "",
            "NCM Files (*.ncm)"
        )
        if files:
            self.process_files(files)
    
    # 抽取共同的文件处理逻辑
    def process_files(self, file_paths):
        ncm_files = [f for f in file_paths if f.endswith('.ncm')]
        if ncm_files:
            success_count = 0  # 添加成功计数器
            total_files = len(ncm_files)  # 总文件数
            
            for file_path in ncm_files:
                try:
                    dump(file_path)
                    success_count += 1  # 成功转换后计数加1
                    file_name = os.path.basename(file_path)
                    self.update_text(f"处理完成：{file_name}\n已转换：{success_count}/{total_files}")
                    QApplication.processEvents()
                except Exception as e:
                    file_name = os.path.basename(file_path)
                    self.update_text(f"处理文件时出错：{file_name}: {str(e)}\n已转换：{success_count}/{total_files}")
                    QApplication.processEvents()
            
            # 所有文件处理完成后显示最终结果
            self.update_text(f"转换完成！\n共转换 {success_count}/{total_files} 个文件")
        else:
            self.update_text("没有找到 .ncm 文件")
    
    # 修改 dropEvent 方法，使用新的处理逻辑
    def dropEvent(self, event: QDropEvent):
        file_paths = [url.toLocalFile() for url in event.mimeData().urls()]
        self.process_files(file_paths)

if __name__ == "__main__":
    app = QApplication(sys.argv)
    widget = DragDropWidget()
    widget.show()
    sys.exit(app.exec())