Dont't finish any editing if there is no control

[wxWidgets.git] / src / msw / textctrl.cpp

diff --git a/src/msw/textctrl.cpp b/src/msw/textctrl.cpp
index f20fd9c970af6bdbf63b18d5f54fc0c1c49b9228..5b2730bc62f4a63c53a614c5870883c2881b9772 100644 (file)
--- a/src/msw/textctrl.cpp
+++ b/src/msw/textctrl.cpp
@@ -248,6 +248,7 @@ 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
@@ -483,9 +484,19 @@ bool wxTextCtrl::MSWCreateText(const wxString& value,
         valueWin = value;
     }
 
+    // suppress events sent during control creation: we're called either from
+    // the ctor and then we shouldn't generate any events for compatibility
+    // with the other ports, or from SetWindowStyleFlag() and then we shouldn't
+    // generate the events because our text doesn't really change, the fact
+    // that we (sometimes) need to recreate the control is just an
+    // implementation detail
+    m_updatesCount = -2;
+
     if ( !MSWCreateControl(windowClass.wx_str(), msStyle, pos, size, valueWin) )
         return false;
 
+    m_updatesCount = -1;
+
 #if wxUSE_RICHEDIT
     if (IsRich())
     {
@@ -1305,6 +1316,13 @@ void wxTextCtrl::DoSetSelection(long from, long to, int flags)
 #if wxUSE_RICHEDIT
     if ( IsRich() )
     {
+        // if from and to are both -1, it means (in wxWidgets) that all text
+        // should be selected, translate this into Windows convention
+        if ( (from == -1) && (to == -1) )
+        {
+            from = 0;
+        }
+
         CHARRANGE range;
         range.cpMin = from;
         range.cpMax = to;
@@ -1839,6 +1857,35 @@ 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)
 {
     WXLRESULT lRc = wxTextCtrlBase::MSWWindowProc(nMsg, wParam, lParam);
@@ -1875,7 +1922,7 @@ WXLRESULT wxTextCtrl::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lPara
                 else // !editable
                 {
                     // NB: use "=", not "|=" as the base class version returns
-                    //     the same flags is this state as usual (i.e.
+                    //     the same flags in the disabled state as usual (i.e.
                     //     including DLGC_WANTMESSAGE). This is strange (how
                     //     does it work in the native Win32 apps?) but for now
                     //     live with it.
@@ -2057,15 +2104,12 @@ void wxTextCtrl::OnRedo(wxCommandEvent& WXUNUSED(event))
 
 void wxTextCtrl::OnDelete(wxCommandEvent& WXUNUSED(event))
 {
-    long from, to;
-    GetSelection(& from, & to);
-    if (from != -1 && to != -1)
-        Remove(from, to);
+    RemoveSelection();
 }
 
 void wxTextCtrl::OnSelectAll(wxCommandEvent& WXUNUSED(event))
 {
-    SetSelection(-1, -1);
+    SelectAll();
 }
 
 void wxTextCtrl::OnUpdateCut(wxUpdateUIEvent& event)
@@ -2095,14 +2139,12 @@ void wxTextCtrl::OnUpdateRedo(wxUpdateUIEvent& event)
 
 void wxTextCtrl::OnUpdateDelete(wxUpdateUIEvent& event)
 {
-    long from, to;
-    GetSelection(& from, & to);
-    event.Enable(from != -1 && to != -1 && from != to && IsEditable()) ;
+    event.Enable( HasSelection() && IsEditable() );
 }
 
 void wxTextCtrl::OnUpdateSelectAll(wxUpdateUIEvent& event)
 {
-    event.Enable(GetLastPosition() > 0);
+    event.Enable( !IsEmpty() );
 }
 
 void wxTextCtrl::OnContextMenu(wxContextMenuEvent& event)