winmessages.h

winmsg.h
winmsg.c
winmultiwindowwndproc.c
winwin32rootlesswndproc.c
Make logging of messages configurable with environment variables

1 files changed, 33 insertions, 0 deletions

diff --git a/hw/xwin/winmsg.c b/hw/xwin/winmsg.c
index 2e5e28f59..b5d4e2e9c 100644
--- a/hw/xwin/winmsg.c
+++ b/hw/xwin/winmsg.c
@@ -31,6 +31,9 @@
 
 #include "win.h"
 #include "winmsg.h"
+#if CYGDEBUG
+#include "winmessages.h"
+#endif
 #include <stdarg.h>
 
 void winVMsg (int, MessageType, int verb, const char *, va_list);
@@ -140,3 +143,33 @@ winW32ErrorEx(int verb, const char *msg, DWORD errorcode)
         LocalFree(buffer);
     }
 }
+
+#if CYGDEBUG
+void winDebugWin32Message(const char* function, HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
+{
+  if (message >= WM_USER)
+    {
+      if (getenv("WIN_DEBUG_MESSAGES") || getenv("WIN_DEBUG_WM_USER"))
+      {
+        winDebug("%s - Message WM_USER + %d", function, message - WM_USER);
+        winDebug("\twParam 0x%x lParam 0x%x\n", wParam, lParam);
+      }
+    }
+  else if (message < MESSAGE_NAMES_LEN && MESSAGE_NAMES[message])
+    {
+      const char *msgname = MESSAGE_NAMES[message];
+      char buffer[64];
+      snprintf(buffer, sizeof(buffer), "WIN_DEBUG_%s", msgname);
+      buffer[63] = 0;
+      if (getenv("WIN_DEBUG_MESSAGES") || getenv(buffer))
+      {
+        winDebug("%s - Message %s", function, MESSAGE_NAMES[message]);
+        winDebug("\twParam 0x%x lParam 0x%x\n", wParam, lParam);
+      }
+    }
+}
+#else
+void winDebugWin32Message(const char* function, HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
+{
+}
+#endif