Fix dsound looping when moving/resizing window

Add MOVE_START/MOVE_END events to detect when the window is moved or
resized and pause sound on Windows to prevent the DirectSound driver
from looping.

Signed-off-by: Rafael Kitover <rkitover@gmail.com>

src/wx/wxvbam.cpp

@@ -824,6 +824,8 @@ EVT_DROP_FILES(MainFrame::OnDropFile)
 
 // for window geometry
 EVT_MOVE(MainFrame::OnMove)
+EVT_MOVE_START(MainFrame::OnMoveStart)
+EVT_MOVE_END(MainFrame::OnMoveEnd)
 EVT_SIZE(MainFrame::OnSize)
 
 // For tracking menubar state.
@@ -879,6 +881,20 @@ void MainFrame::OnMove(wxMoveEvent&) {
     }
 }
 
+// On Windows pause sound when moving and resizing the window to prevent dsound
+// from looping.
+void MainFrame::OnMoveStart(wxMoveEvent&) {
+#ifdef __WXMSW__
+    soundPause();
+#endif
+}
+
+void MainFrame::OnMoveEnd(wxMoveEvent&) {
+#ifdef __WXMSW__
+    soundResume();
+#endif
+}
+
 void MainFrame::OnSize(wxSizeEvent& event)
 {
     wxFrame::OnSize(event);

src/wx/wxvbam.h

@@ -382,6 +382,8 @@ private:
     void OnMenu(wxContextMenuEvent&);
     // window geometry
     void OnMove(wxMoveEvent& event);
+    void OnMoveStart(wxMoveEvent& event);
+    void OnMoveEnd(wxMoveEvent& event);
     void OnSize(wxSizeEvent& event);
     // Load a named wxDialog from the XRC file
     wxDialog* LoadXRCDialog(const char* name);