Start work on editor

tools/editor.py

@@ -0,0 +1,53 @@
+#!/usr/bin/env python3
+import sys
+from PyQt5.QtWidgets import (
+  QApplication, QVBoxLayout, QPushButton,
+  QDialog
+)
+from OpenGL.GL import *
+from OpenGL.GLU import *
+from editortool.maptool import MapWindow
+from editortool.langtool import LangToolWindow
+
+DEFAULT_TOOL = None  # Set to "map" or "language" to auto-select for testing
+
+TOOLS = [
+  ("Map Editor", "map", MapWindow),
+  ("Language Editor", "language", LangToolWindow)
+]
+
+class EditorChoiceDialog(QDialog):
+  def __init__(self):
+    super().__init__()
+    self.setWindowTitle("Choose Tool")
+    layout = QVBoxLayout(self)
+    self.selected = None
+    for label, key, win_cls in TOOLS:
+      btn = QPushButton(label)
+      btn.clicked.connect(lambda checked, w=win_cls: self.choose_tool(w))
+      layout.addWidget(btn)
+
+  def choose_tool(self, win_cls):
+    self.selected = win_cls
+    self.accept()
+
+  def get_choice(self):
+    return self.selected
+
+def main():
+  app = QApplication(sys.argv)
+  tool_map = { key: win_cls for _, key, win_cls in TOOLS }
+  if DEFAULT_TOOL in tool_map:
+    win_cls = tool_map[DEFAULT_TOOL]
+  else:
+    choice_dialog = EditorChoiceDialog()
+    if choice_dialog.exec_() == QDialog.Accepted:
+      win_cls = choice_dialog.get_choice()
+    else:
+      sys.exit(0)
+  win = win_cls()
+  win.show()
+  sys.exit(app.exec_())
+
+if __name__ == "__main__":
+  main()