Set IDAPro Custom icon on macOS. Put into ~/.idapro/plugins. Edit icon path from Edit>Plugins

custom_icon.py

from pathlib import Path
import json

import ida_idaapi
from PySide6 import QtCore, QtGui, QtWidgets


CONFIG_FILE = Path.home() / ".idapro" / "custom_icon.json"
DEFAULT_ICON = Path.home() / ".idapro" / "custom_icon.png"

ICON = DEFAULT_ICON


def load_config():
    global ICON

    try:
        if CONFIG_FILE.exists():
            data = json.loads(CONFIG_FILE.read_text())
            ICON = Path(data.get("icon", str(DEFAULT_ICON)))
    except Exception as e:
        print(f"[dock_icon] Failed to load config: {e}")
        ICON = DEFAULT_ICON


def save_config():
    try:
        CONFIG_FILE.parent.mkdir(parents=True, exist_ok=True)
        CONFIG_FILE.write_text(
            json.dumps({"icon": str(ICON)}, indent=4)
        )
    except Exception as e:
        print(f"[dock_icon] Failed to save config: {e}")


def apply_icon():
    icon = QtGui.QIcon(str(ICON))
    if icon.isNull():
        print(f"[dock_icon] Cannot load: {ICON}")
        return

    app = QtWidgets.QApplication.instance()
    if app is None:
        return

    app.setWindowIcon(icon)

    # Aggiorna anche tutte le finestre già aperte
    for window in app.topLevelWidgets():
        window.setWindowIcon(icon)

    print(f"[dock_icon] Icon applied: {ICON}")


class ConfigDialog(QtWidgets.QDialog):
    def __init__(self, current_path, parent=None):
        super().__init__(parent)

        self.setWindowTitle("Dock Icon Configuration")
        self.setMinimumWidth(600)

        layout = QtWidgets.QVBoxLayout(self)

        row = QtWidgets.QHBoxLayout()

        self.edit = QtWidgets.QLineEdit(current_path)
        row.addWidget(self.edit)

        browse = QtWidgets.QPushButton("Browse...")
        browse.clicked.connect(self.browse)
        row.addWidget(browse)

        layout.addLayout(row)

        buttons = QtWidgets.QDialogButtonBox()
        buttons.addButton(QtWidgets.QDialogButtonBox.StandardButton.Ok)
        buttons.addButton(QtWidgets.QDialogButtonBox.StandardButton.Cancel)
        
        buttons.accepted.connect(self.accept)
        buttons.rejected.connect(self.reject)

        layout.addWidget(buttons)

    def browse(self):
        filename, _ = QtWidgets.QFileDialog.getOpenFileName(
            self,
            "Select icon",
            self.edit.text(),
            "Images (*.png *.ico *.icns *.svg);;All files (*)",
        )

        if filename:
            self.edit.setText(filename)

    @property
    def path(self):
        return self.edit.text().strip()


class DockIconPlugin(ida_idaapi.plugin_t):
    flags = ida_idaapi.PLUGIN_FIX
    comment = "Overrides IDA's Qt application icon"
    help = ""
    wanted_name = "Dock icon override"
    wanted_hotkey = ""

    def init(self):
        load_config()

        QtCore.QTimer.singleShot(0, apply_icon)
        QtCore.QTimer.singleShot(1000, apply_icon)

        return ida_idaapi.PLUGIN_KEEP

    def run(self, arg):
        global ICON

        dlg = ConfigDialog(str(ICON))

        if dlg.exec() == QtWidgets.QDialog.Accepted:
            new_icon = Path(dlg.path)

            if not new_icon.exists():
                QtWidgets.QMessageBox.warning(
                    None,
                    "Invalid path",
                    "The selected file does not exist.",
                )
                return

            ICON = new_icon
            save_config()
            apply_icon()

    def term(self):
        pass


def PLUGIN_ENTRY():
    return DockIconPlugin()