Stav 23.06.2026

2026-06-23 15:20:56 +02:00
commit 6d91e83e8c
5670 changed files with 1145969 additions and 0 deletions
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+# DDE support for Pythonwin
+#
+# Seems to work fine (in the context that IE4 seems to have broken
+# DDE on _all_ NT4 machines I have tried, but only when a "Command Prompt" window
+# is open.  Strange, but true.  If you have problems with this, close all Command Prompts!
+
+
+import sys
+import traceback
+
+import win32ui
+from dde import (  # nopycln: import # Re-exported for intpyapp.py
+    CBF_FAIL_SELFCONNECTIONS as CBF_FAIL_SELFCONNECTIONS,  # noqa: PLC0414
+    CreateConversation as CreateConversation,  # noqa: PLC0414
+    CreateServer,
+    CreateServerSystemTopic,
+    error as error,  # noqa: PLC0414
+)
+from pywin.mfc import object
+
+
+class DDESystemTopic(object.Object):
+    def __init__(self, app):
+        self.app = app
+        object.Object.__init__(self, CreateServerSystemTopic())
+
+    def Exec(self, data):
+        try:
+            # print("Executing", cmd)
+            self.app.OnDDECommand(data)
+        except:
+            t, v, tb = sys.exc_info()
+            # The DDE Execution failed.
+            print("Error executing DDE command.")
+            traceback.print_exception(t, v, tb)
+            return 0
+
+
+class DDEServer(object.Object):
+    def __init__(self, app):
+        self.app = app
+        object.Object.__init__(self, CreateServer())
+        self.topic = self.item = None
+
+    def CreateSystemTopic(self):
+        return DDESystemTopic(self.app)
+
+    def Shutdown(self):
+        self._obj_.Shutdown()
+        self._obj_.Destroy()
+        if self.topic is not None:
+            self.topic.Destroy()
+            self.topic = None
+        if self.item is not None:
+            self.item.Destroy()
+            self.item = None
+
+    def OnCreate(self):
+        return 1
+
+    def Status(self, msg):
+        try:
+            win32ui.SetStatusText(msg)
+        except win32ui.error:
+            pass