supporting max len event

[wxWidgets.git] / src / osx / textentry_osx.cpp

diff --git a/src/osx/textentry_osx.cpp b/src/osx/textentry_osx.cpp
index 8061d068e40f22e28d446f0cb5939f8e8a5d9679..c5f53512b235ed9fdb7a3c22b632b1495cfff53e 100644 (file)
--- a/src/osx/textentry_osx.cpp
+++ b/src/osx/textentry_osx.cpp
@@ -63,16 +63,22 @@ wxTextEntry::~wxTextEntry()
 
 wxString wxTextEntry::DoGetValue() const
 {
+    wxCHECK_MSG( GetTextPeer(), wxString(), "Must create the control first" );
+
     return GetTextPeer()->GetStringValue() ;
 }
 
 void wxTextEntry::GetSelection(long* from, long* to) const
 {
+    wxCHECK_RET( GetTextPeer(), "Must create the control first" );
+
     GetTextPeer()->GetSelection( from , to ) ;
 }
 
 void wxTextEntry::SetMaxLength(unsigned long len)
 {
+    if ( GetTextPeer()->CanClipMaxLength() )
+        GetTextPeer()->SetMaxLength(len);
     m_maxLength = len ;
 }
 
@@ -80,18 +86,24 @@ void wxTextEntry::SetMaxLength(unsigned long len)
 
 void wxTextEntry::Copy()
 {
+    wxCHECK_RET( GetTextPeer(), "Must create the control first" );
+
     if (CanCopy())
         GetTextPeer()->Copy() ;
 }
 
 void wxTextEntry::Cut()
 {
+    wxCHECK_RET( GetTextPeer(), "Must create the control first" );
+
     if (CanCut())
         GetTextPeer()->Cut() ;
 }
 
 void wxTextEntry::Paste()
 {
+    wxCHECK_RET( GetTextPeer(), "Must create the control first" );
+
     if (CanPaste())
         GetTextPeer()->Paste() ;
 }
@@ -122,16 +134,20 @@ bool wxTextEntry::CanPaste() const
     if (!IsEditable())
         return false;
 
+    wxCHECK_MSG( GetTextPeer(), false, "Must create the control first" );
+
     return GetTextPeer()->CanPaste() ;
 }
 
 void wxTextEntry::SetEditable(bool editable)
 {
-    if ( editable != m_editable )
-    {
-        m_editable = editable ;
-        GetTextPeer()->SetEditable( editable ) ;
-    }
+    if ( editable == m_editable )
+        return;
+
+    m_editable = editable ;
+
+    wxCHECK_RET( GetTextPeer(), "Must create the control first" );
+    GetTextPeer()->SetEditable( editable ) ;
 }
 
 void wxTextEntry::SetInsertionPoint(long pos)
@@ -155,11 +171,15 @@ long wxTextEntry::GetInsertionPoint() const
 
 wxTextPos wxTextEntry::GetLastPosition() const
 {
+    wxCHECK_MSG( GetTextPeer(), -1, "Must create the control first" );
+
     return GetTextPeer()->GetLastPosition() ;
 }
 
 void wxTextEntry::Remove(long from, long to)
 {
+    wxCHECK_RET( GetTextPeer(), "Must create the control first" );
+
     {
         EventsSuppressor noevents(this);
         GetTextPeer()->Remove( from , to );
@@ -170,11 +190,15 @@ void wxTextEntry::Remove(long from, long to)
 
 void wxTextEntry::SetSelection(long from, long to)
 {
+    wxCHECK_RET( GetTextPeer(), "Must create the control first" );
+
     GetTextPeer()->SetSelection( from , to ) ;
 }
 
 void wxTextEntry::WriteText(const wxString& str)
 {
+    wxCHECK_RET( GetTextPeer(), "Must create the control first" );
+
     {
         EventsSuppressor noevents(this);
         GetTextPeer()->WriteText( str );
@@ -185,6 +209,8 @@ void wxTextEntry::WriteText(const wxString& str)
 
 void wxTextEntry::Clear()
 {
+    wxCHECK_RET( GetTextPeer(), "Must create the control first" );
+
     {
         EventsSuppressor noevents(this);
         GetTextPeer()->Clear();
@@ -198,18 +224,39 @@ bool wxTextEntry::IsEditable() const
     return m_editable ;
 }
 
+bool wxTextEntry::SendMaxLenEvent()
+{
+    wxWindow *win = GetEditableWindow();
+    wxCHECK_MSG( win, false, "can't send an event without a window" );
+    
+    wxCommandEvent event(wxEVT_TEXT_MAXLEN, win->GetId());
+    
+    // do not do this as it could be very inefficient if the text control
+    // contains a lot of text and we're not using ref-counted wxString
+    // implementation -- instead, event.GetString() will query the control for
+    // its current text if needed
+    //event.SetString(win->GetValue());
+    
+    event.SetEventObject(win);
+    return win->HandleWindowEvent(event);
+}
+
 // ----------------------------------------------------------------------------
 // Undo/redo
 // ----------------------------------------------------------------------------
 
 void wxTextEntry::Undo()
 {
+    wxCHECK_RET( GetTextPeer(), "Must create the control first" );
+
     if (CanUndo())
         GetTextPeer()->Undo() ;
 }
 
 void wxTextEntry::Redo()
 {
+    wxCHECK_RET( GetTextPeer(), "Must create the control first" );
+
     if (CanRedo())
         GetTextPeer()->Redo() ;
 }
@@ -219,6 +266,8 @@ bool wxTextEntry::CanUndo() const
     if ( !IsEditable() )
         return false ;
 
+    wxCHECK_MSG( GetTextPeer(), false, "Must create the control first" );
+
     return GetTextPeer()->CanUndo() ;
 }
 
@@ -227,6 +276,8 @@ bool wxTextEntry::CanRedo() const
     if ( !IsEditable() )
         return false ;
 
+    wxCHECK_MSG( GetTextPeer(), false, "Must create the control first" );
+
     return GetTextPeer()->CanRedo() ;
 }