wuhuacong(伍華聰)的專欄

class MySizedDialog(QDialog):
    """自定義對話框基類"""

    def __init__(
        self,
        parent,
        title="默認對話框標題",
        can_scroll=True,
        show_btn_ok=True,
        size=(400, 600),
        pos=None,
    ):
        super().__init__(parent)

        self.log = settings.log.get_logger()
        self.setWindowTitle(title)
        self.setWindowIcon(images.catalog["appIcon"])
        self.show_btn_ok = show_btn_ok
        self.can_scroll = can_scroll

    def _add_buttons(self) -> QDialogButtonBox:
        """創建按鈕"""

        if self.show_btn_ok:  # OK按鈕、Cancel按鈕都顯示
            # 創建標準按鈕框（包括 OK 和 Cancel）
            button_box = QDialogButtonBox(
                QDialogButtonBox.StandardButton.Ok
                | QDialogButtonBox.StandardButton.Cancel
            )

        else:  # 只顯示 Cancel 按鈕
            button_box = QDialogButtonBox(QDialogButtonBox.StandardButton.Cancel)

        # 查找 OK 按鈕
        ok_button = button_box.button(QDialogButtonBox.StandardButton.Ok)
        if ok_button:  # 檢查按鈕是否存在
            # 設置圖標
            ok_button.setIcon(images.catalog["accept"])
            # 異步綁定事件
            ok_button.clicked.connect(self.on_ok)

        cancel_button = button_box.button(QDialogButtonBox.StandardButton.Cancel)
        if cancel_button:  # 檢查按鈕是否存在
            # 設置圖標
            cancel_button.setIcon(images.catalog["cancel"])
            # 異步綁定事件
            cancel_button.clicked.connect(self.on_cancel)

        return button_box

class MyImageDialog(ctrl.MySizedDialog):
    """圖片選擇對話框"""

    selected_name = ""
    selected_bitmap = None

    def __init__(
        self,
        parent,
        title="圖片選擇對話框",
        can_scroll=True,
        show_btn_ok=True,
        size=(800, 600),
        pos=None,
        return_icon_size=32,
    ):
        super().__init__(
            parent,
            title=title,
            can_scroll=can_scroll,
            show_btn_ok=show_btn_ok,
            size=size,
            pos=pos,
        )
        self.return_icon_size = return_icon_size

    def add_contents(self, panel: QWidget, grid_sizer: QGridLayout):
        """創建列表面板"""

        # 創建 QTabWidget
        self.notebook = QTabWidget(panel)
        self.notebook.setTabPosition(QTabWidget.TabPosition.North)

        self.first = self.create_first()
        self.second = self.create_second()

        self.notebook.addTab(self.first, get_bitmap("group"), "自定義內嵌圖片")
        self.notebook.addTab(self.second, get_bitmap("group_key"), "系統圖標")

        # 創建 QLabel，用于顯示圖片
        self.bmpCtrl = QLabel(panel)
        # self.bmpCtrl.setFixedSize(32, 32)  # 設置固定大小
        self.bmpCtrl.setStyleSheet("border: 1px solid black;")  # 設置邊框樣式
        self.bmpCtrl.setSizePolicy(QSizePolicy.Policy.Fixed, QSizePolicy.Policy.Fixed)  # 設置尺寸策略

        grid_sizer.addWidget(self.notebook)
        grid_sizer.addWidget(self.bmpCtrl)

    def create_first(self) -> QWidget:
        """創建自定義內嵌圖片面板"""

        # 創建面板
        panel = self._create_window(self, True)
        # 創建 WrapSizer
        icon_layout = ctrl.FlowLayout()

        # 遍歷圖片目錄，創建圖標
        for idx, (key, value) in enumerate(images.catalog.items()):
            icon_panel = self.create_icon(panel, value, key)
            icon_layout.addWidget(icon_panel)

        child_panel = QWidget(panel)
        child_panel.setLayout(icon_layout)
        if isinstance(panel, QScrollArea):
           panel.setWidget(child_panel)

        return panel

from core.core_images import CoreImages as images

        # 創建 WrapSizer
        icon_layout = ctrl.FlowLayout()

        # 獲取所有標準圖標
        i = 0
        for standard_icon in QStyle.StandardPixmap:
            icon = QApplication.style().standardIcon(standard_icon)  # 獲取標準圖標
            # 檢查圖標是否有效
            if icon.isNull():
                # print(f"跳過無效圖標: {standard_icon.name}")
                continue

            pixmap_32 = icon.pixmap(32, 32)  # 生成 32x32 的 QPixmap
            icon_32 = QIcon(pixmap_32)  # 重新創建 QIcon
            name = standard_icon.name  # 獲取圖標名稱

            icon_panel = self.create_icon(panel, icon_32, name)
            icon_layout.addWidget(icon_panel)

            i += 1

   def on_item_selected(self, event, name: str):
        """鼠標左鍵單擊事件處理"""
        icon = get_bitmap(name, self.return_icon_size)
        bitmap = icon.pixmap(32, 32)
        bitmap = bitmap.scaled(32, 32, Qt.AspectRatioMode.KeepAspectRatio, Qt.TransformationMode.SmoothTransformation)

        self.selected_name = name
        self.selected_bitmap = bitmap

        self.bmpCtrl.setPixmap(bitmap)
        print(f"你選擇了: {name}")

def get_bitmap(name: str, icon_size: int = 32) -> QIcon:
    """獲取位圖,可以根據名稱獲取images里面的內容，或者是系統內置的圖標SP_XXX"""

    if name is None or name == "":
        name = "appIcon"

    if name.startswith("SP_"):
        # 系統內置的圖標
        icon = get_standard_icon(name, icon_size)
        return icon
    elif name.startswith("ic_fluent_"):
        # 微軟Fluent系統圖標
        icon = FluentSystemIconUtil.create_icon_by_name(name, icon_size)
        return icon
    else:
        # 自定義內置的圖標
        icon = get_customed_icon_with_default(name, icon_size)
        return icon