Added some missing wxTextCtrl functions: Undo, Redo, CanUndo, CanRedo,

CanCopy, CanCut, CanPaste, GetSelection, IsEditable.
Also added wxNotebook::SetTabSize (only implemented on wxMSW but necessary
when using just an icon).


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@2054 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/generic/notebook.cpp

@@ -601,6 +601,11 @@ wxRect wxNotebook::GetAvailableClientSize()
     return rect;
 }
 
+void wxNotebook::SetTabSize(const wxSize& sz)
+{
+    // TODO
+}
+
 /*
  * wxNotebookTabView
  */

src/gtk/notebook.cpp

@@ -509,6 +509,11 @@ void wxNotebook::SetPadding( const wxSize &WXUNUSED(padding) )
     wxFAIL_MSG( "wxNotebook::SetPadding not implemented" );
 }
 
+void wxNotebook::SetTabSize(const wxSize& sz)
+{
+    wxFAIL_MSG( "wxNotebook::SetTabSize not implemented" );
+}
+
 bool wxNotebook::DeleteAllPages()
 {
     wxCHECK_MSG( m_widget != NULL, FALSE, "invalid notebook" );

src/gtk/textctrl.cpp

@@ -703,6 +703,71 @@ void wxTextCtrl::Paste()
 #endif
 }
 
+bool wxTextCtrl::CanCopy() const
+{
+    // Can copy if there's a selection
+    long from, to;
+    GetSelection(& from, & to);
+    return (from != to) ;
+}
+
+bool wxTextCtrl::CanCut() const
+{
+    // Can cut if there's a selection
+    long from, to;
+    GetSelection(& from, & to);
+    return (from != to) ;
+}
+
+bool wxTextCtrl::CanPaste() const
+{
+    return IsEditable() ;
+}
+
+// Undo/redo
+void wxTextCtrl::Undo()
+{
+    // TODO
+    wxFAIL_MSG( "wxTextCtrl::Undo not implemented" );
+}
+
+void wxTextCtrl::Redo()
+{
+    // TODO
+    wxFAIL_MSG( "wxTextCtrl::Redo not implemented" );
+}
+
+bool wxTextCtrl::CanUndo() const
+{
+    // TODO
+    wxFAIL_MSG( "wxTextCtrl::CanUndo not implemented" );
+    return FALSE;
+}
+
+bool wxTextCtrl::CanRedo() const
+{
+    // TODO
+    wxFAIL_MSG( "wxTextCtrl::CanRedo not implemented" );
+    return FALSE;
+}
+
+// If the return values from and to are the same, there is no
+// selection.
+void wxTextCtrl::GetSelection(long* from, long* to) const
+{
+    // TODO
+    *from = 0;
+    *to = 0;
+    wxFAIL_MSG( "wxTextCtrl::GetSelection not implemented" );
+}
+
+bool wxTextCtrl::IsEditable() const
+{
+    // TODO
+    wxFAIL_MSG( "wxTextCtrl::IsEditable not implemented" );
+    return FALSE;
+}
+
 void wxTextCtrl::Clear()
 {
     SetValue( "" );

src/gtk1/notebook.cpp

@@ -509,6 +509,11 @@ void wxNotebook::SetPadding( const wxSize &WXUNUSED(padding) )
     wxFAIL_MSG( "wxNotebook::SetPadding not implemented" );
 }
 
+void wxNotebook::SetTabSize(const wxSize& sz)
+{
+    wxFAIL_MSG( "wxNotebook::SetTabSize not implemented" );
+}
+
 bool wxNotebook::DeleteAllPages()
 {
     wxCHECK_MSG( m_widget != NULL, FALSE, "invalid notebook" );

src/gtk1/textctrl.cpp

@@ -703,6 +703,71 @@ void wxTextCtrl::Paste()
 #endif
 }
 
+bool wxTextCtrl::CanCopy() const
+{
+    // Can copy if there's a selection
+    long from, to;
+    GetSelection(& from, & to);
+    return (from != to) ;
+}
+
+bool wxTextCtrl::CanCut() const
+{
+    // Can cut if there's a selection
+    long from, to;
+    GetSelection(& from, & to);
+    return (from != to) ;
+}
+
+bool wxTextCtrl::CanPaste() const
+{
+    return IsEditable() ;
+}
+
+// Undo/redo
+void wxTextCtrl::Undo()
+{
+    // TODO
+    wxFAIL_MSG( "wxTextCtrl::Undo not implemented" );
+}
+
+void wxTextCtrl::Redo()
+{
+    // TODO
+    wxFAIL_MSG( "wxTextCtrl::Redo not implemented" );
+}
+
+bool wxTextCtrl::CanUndo() const
+{
+    // TODO
+    wxFAIL_MSG( "wxTextCtrl::CanUndo not implemented" );
+    return FALSE;
+}
+
+bool wxTextCtrl::CanRedo() const
+{
+    // TODO
+    wxFAIL_MSG( "wxTextCtrl::CanRedo not implemented" );
+    return FALSE;
+}
+
+// If the return values from and to are the same, there is no
+// selection.
+void wxTextCtrl::GetSelection(long* from, long* to) const
+{
+    // TODO
+    *from = 0;
+    *to = 0;
+    wxFAIL_MSG( "wxTextCtrl::GetSelection not implemented" );
+}
+
+bool wxTextCtrl::IsEditable() const
+{
+    // TODO
+    wxFAIL_MSG( "wxTextCtrl::IsEditable not implemented" );
+    return FALSE;
+}
+
 void wxTextCtrl::Clear()
 {
     SetValue( "" );

src/motif/textctrl.cpp

@@ -245,6 +245,67 @@ void wxTextCtrl::Paste()
     XmTextPaste((Widget) m_mainWidget);
 }
 
+bool wxTextCtrl::CanCopy() const
+{
+    // Can copy if there's a selection
+    long from, to;
+    GetSelection(& from, & to);
+    return (from != to) ;
+}
+
+bool wxTextCtrl::CanCut() const
+{
+    // Can cut if there's a selection
+    long from, to;
+    GetSelection(& from, & to);
+    return (from != to) ;
+}
+
+bool wxTextCtrl::CanPaste() const
+{
+    return IsEditable() ;
+}
+
+// Undo/redo
+void wxTextCtrl::Undo()
+{
+    // Not possible in Motif
+}
+
+void wxTextCtrl::Redo()
+{
+    // Not possible in Motif
+}
+
+bool wxTextCtrl::CanUndo() const
+{
+    // No Undo in Motif
+    return FALSE;
+}
+
+bool wxTextCtrl::CanRedo() const
+{
+    // No Redo in Motif
+    return FALSE;
+}
+
+// If the return values from and to are the same, there is no
+// selection.
+void wxTextCtrl::GetSelection(long* from, long* to) const
+{
+    XmTextPosition left, right;
+
+    XmTextGetSelectionPosition((Widget) m_mainWidget, & left, & right);
+
+    *from = (long) left;
+    *to = (long) right;
+}
+
+bool wxTextCtrl::IsEditable() const
+{
+    return (XmTextGetEditable((Widget) m_mainWidget) != 0);
+}
+
 void wxTextCtrl::SetEditable(bool editable)
 {
     XmTextSetEditable((Widget) m_mainWidget, (Boolean) editable);

src/msw/textctrl.cpp

@@ -729,9 +729,87 @@ wxString wxTextCtrl::GetLineText(long lineNo) const
   return wxString(wxBuffer);
 }
 
-/*
- * Text item
- */
+bool wxTextCtrl::CanCopy() const
+{
+    // Can copy if there's a selection
+    long from, to;
+    GetSelection(& from, & to);
+    return (from != to) ;
+}
+
+bool wxTextCtrl::CanCut() const
+{
+    // Can cut if there's a selection
+    long from, to;
+    GetSelection(& from, & to);
+    return (from != to) ;
+}
+
+bool wxTextCtrl::CanPaste() const
+{
+    int dataFormat = 0; // 0 == any format
+    return (::SendMessage( (HWND) GetHWND(), EM_CANPASTE, (WPARAM) (UINT) dataFormat, 0) != 0);
+}
+
+// Undo/redo
+void wxTextCtrl::Undo()
+{
+    if (CanUndo())
+    {
+        ::SendMessage((HWND) GetHWND(), EM_UNDO, 0, 0);
+    }
+}
+
+void wxTextCtrl::Redo()
+{
+    if (CanRedo())
+    {
+        // Same as Undo, since Undo undoes the undo, i.e. a redo.
+        ::SendMessage((HWND) GetHWND(), EM_UNDO, 0, 0);
+    }
+}
+
+bool wxTextCtrl::CanUndo() const
+{
+    return (::SendMessage((HWND) GetHWND(), EM_CANUNDO, 0, 0) != 0);
+}
+
+bool wxTextCtrl::CanRedo() const
+{
+    return (::SendMessage((HWND) GetHWND(), EM_CANUNDO, 0, 0) != 0);
+}
+
+// If the return values from and to are the same, there is no
+// selection.
+void wxTextCtrl::GetSelection(long* from, long* to) const
+{
+#if wxUSE_RICHEDIT
+    if (m_isRich)
+    {
+        CHARRANGE charRange;
+        ::SendMessage((HWND) GetHWND(), EM_EXGETSEL, 0, (LPARAM) (CHARRANGE*) & charRange);
+
+        *from = charRange.cpMin;
+        *to = charRange.cpMax;
+
+        return;
+    }
+#endif
+    DWORD dwStart, dwEnd;
+    WPARAM wParam = (WPARAM) (DWORD*) dwStart; // receives starting position
+    LPARAM lParam = (LPARAM) (DWORD*) dwEnd;   // receives ending position
+
+    ::SendMessage((HWND) GetHWND(), EM_GETSEL, wParam, lParam);
+
+    *from = dwStart;
+    *to = dwEnd;
+}
+
+bool wxTextCtrl::IsEditable() const
+{
+    long style = ::GetWindowLong((HWND) GetHWND(), GWL_STYLE);
+    return ((style & ES_READONLY) == 0);
+}
 
 void wxTextCtrl::Command(wxCommandEvent & event)
 {

src/stubs/notebook.cpp

@@ -375,3 +375,8 @@ void wxNotebook::ChangePage(int nOldSel, int nSel)
     m_nSelection = nSel;
 }
 
+void wxNotebook::SetTabSize(const wxSize& sz)
+{
+    // TODO
+}
+

src/stubs/textctrl.cpp

@@ -267,10 +267,65 @@ wxString wxTextCtrl::GetLineText(long lineNo) const
     return wxString("");
 }
 
-/*
- * Text item
- */
- 
+bool wxTextCtrl::CanCopy() const
+{
+    // Can copy if there's a selection
+    long from, to;
+    GetSelection(& from, & to);
+    return (from != to) ;
+}
+
+bool wxTextCtrl::CanCut() const
+{
+    // Can cut if there's a selection
+    long from, to;
+    GetSelection(& from, & to);
+    return (from != to) ;
+}
+
+bool wxTextCtrl::CanPaste() const
+{
+    return IsEditable() ;
+}
+
+// Undo/redo
+void wxTextCtrl::Undo()
+{
+    // TODO
+}
+
+void wxTextCtrl::Redo()
+{
+    // TODO
+}
+
+bool wxTextCtrl::CanUndo() const
+{
+    // TODO
+    return FALSE;
+}
+
+bool wxTextCtrl::CanRedo() const
+{
+    // TODO
+    return FALSE;
+}
+
+// If the return values from and to are the same, there is no
+// selection.
+void wxTextCtrl::GetSelection(long* from, long* to) const
+{
+    // TODO
+    *from = 0;
+    *to = 0;
+}
+
+bool wxTextCtrl::IsEditable() const
+{
+    // TODO
+    return FALSE;
+}
+
 void wxTextCtrl::Command(wxCommandEvent & event)
 {
     SetValue (event.GetString());