wxMSW: generate wxClipboardTextEvent from wxTextCtrl with wxTE_RICH style too

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_8_BRANCH@52547 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

docs/changes.txt

@@ -157,6 +157,7 @@ wxMSW:
   SmartPhone.
 - Fixed rendering of borders for wxTextCtrl with wxTE_RICH(2) style when
   using Windows XP's Classic UI theme.
+- Text controls with wxTE_RICH style now also generate wxClipboardTextEvents.
 
 wxGTK:
 

docs/latex/wx/clipevent.tex

@@ -30,10 +30,10 @@ was copied or cut.
 
 \wxheading{Remarks}
 
-These events are currently only generated by \helpref{wxComboBox}{wxcombobox} and
-under Windows and \helpref{wxTextCtrl}{wxtextctrl} under Windows and GTK and
-are not generated for the text controls with \texttt{wxTE\_RICH} style under
-Windows.
+These events are currently only generated by \helpref{wxTextCtrl}{wxtextctrl}
+under GTK. They are generated by all controls under Windows. (Prior to version
+2.8.8, only wxComboBox and wxTextCtrl without wxTE\_RICH style generated them
+under Windows.)
 
 
 \wxheading{Derived from}

include/wx/msw/textctrl.h

@@ -272,6 +272,8 @@ protected:
     int m_updatesCount;
 
 private:
+    void OnKeyDown(wxKeyEvent& event);
+
     DECLARE_EVENT_TABLE()
     DECLARE_DYNAMIC_CLASS_NO_COPY(wxTextCtrl)
 

src/msw/textctrl.cpp

@@ -238,6 +238,7 @@ IMPLEMENT_DYNAMIC_CLASS(wxTextCtrl, wxTextCtrlBase)
 
 BEGIN_EVENT_TABLE(wxTextCtrl, wxTextCtrlBase)
     EVT_CHAR(wxTextCtrl::OnChar)
+    EVT_KEY_DOWN(wxTextCtrl::OnKeyDown)
     EVT_DROP_FILES(wxTextCtrl::OnDropFiles)
 
 #if wxUSE_RICHEDIT
@@ -1968,6 +1969,35 @@ void wxTextCtrl::OnChar(wxKeyEvent& event)
     event.Skip();
 }
 
+void wxTextCtrl::OnKeyDown(wxKeyEvent& event)
+{
+    // richedit control doesn't send WM_PASTE, WM_CUT and WM_COPY messages
+    // when Ctrl-V, X or C is pressed and this prevents wxClipboardTextEvent
+    // from working. So we work around it by intercepting these shortcuts
+    // ourselves and emitting clipboard events (which richedit will handle,
+    // so everything works as before, including pasting of rich text):
+    if ( event.GetModifiers() == wxMOD_CONTROL && IsRich() )
+    {
+        switch ( event.GetKeyCode() )
+        {
+            case 'C':
+                Copy();
+                return;
+            case 'X':
+                Cut();
+                return;
+            case 'V':
+                Paste();
+                return;
+            default:
+                break;
+        }
+    }
+
+    // no, we didn't process it
+    event.Skip();
+}
+
 WXLRESULT wxTextCtrl::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
 {
     // we must handle clipboard events before calling MSWWindowProc, otherwise