fixed bug with redoing the command when there was nothing to redo

[wxWidgets.git] / src / common / textcmn.cpp

diff --git a/src/common/textcmn.cpp b/src/common/textcmn.cpp
index 63408d24d4c12e6d9f55806dfa032dec068cfe3c..b2e57eb854717655a8ae043e6fb60a65040d767e 100644 (file)
--- a/src/common/textcmn.cpp
+++ b/src/common/textcmn.cpp
@@ -12,10 +12,11 @@
 // ============================================================================
 // declarations
 // ============================================================================
+
 #ifdef __GNUG__
     #pragma implementation "textctrlbase.h"
 #endif
-        
+
 // for compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
@@ -23,6 +24,8 @@
     #pragma hdrstop
 #endif
 
+#if wxUSE_TEXTCTRL
+
 #ifndef WX_PRECOMP
     #include "wx/intl.h"
     #include "wx/log.h"
@@ -43,16 +46,48 @@
 // implementation
 // ============================================================================
 
+IMPLEMENT_DYNAMIC_CLASS(wxTextUrlEvent, wxCommandEvent)
+
+DEFINE_EVENT_TYPE(wxEVT_COMMAND_TEXT_UPDATED)
+DEFINE_EVENT_TYPE(wxEVT_COMMAND_TEXT_ENTER)
+DEFINE_EVENT_TYPE(wxEVT_COMMAND_TEXT_URL)
+DEFINE_EVENT_TYPE(wxEVT_COMMAND_TEXT_MAXLEN)
+
 // ----------------------------------------------------------------------------
 // ctor
 // ----------------------------------------------------------------------------
 
 wxTextCtrlBase::wxTextCtrlBase()
 {
-#ifndef NO_TEXT_WINDOW_STREAM
-    if (allocate())
-        setp(base(),ebuf());
-#endif // NO_TEXT_WINDOW_STREAM
+}
+
+wxTextCtrlBase::~wxTextCtrlBase()
+{
+}
+
+// ----------------------------------------------------------------------------
+// style functions - not implemented here
+// ----------------------------------------------------------------------------
+
+// apply styling to text range
+bool wxTextCtrlBase::SetStyle(long WXUNUSED(start), long WXUNUSED(end),
+                              const wxTextAttr& WXUNUSED(style))
+{
+    // to be implemented in derived TextCtrl classes
+    return FALSE;
+}
+
+// change default text attributes
+bool wxTextCtrlBase::SetDefaultStyle(const wxTextAttr &style)
+{
+    m_defaultStyle = style;
+    return TRUE;
+}
+
+// get default text attributes
+const wxTextAttr& wxTextCtrlBase::GetDefaultStyle() const
+{
+    return m_defaultStyle;
 }
 
 // ----------------------------------------------------------------------------
@@ -61,6 +96,7 @@ wxTextCtrlBase::wxTextCtrlBase()
 
 bool wxTextCtrlBase::LoadFile(const wxString& filename)
 {
+#if wxUSE_FFILE
     wxFFile file(filename);
     if ( file.IsOpened() )
     {
@@ -78,6 +114,7 @@ bool wxTextCtrlBase::LoadFile(const wxString& filename)
     }
 
     wxLogError(_("File couldn't be loaded."));
+#endif // wxUSE_FFILE
 
     return FALSE;
 }
@@ -88,11 +125,12 @@ bool wxTextCtrlBase::SaveFile(const wxString& filename)
     if ( !filenameToUse )
     {
         // what kind of message to give? is it an error or a program bug?
-        wxLogDebug(_T("Can't save textctrl to file without filename."));
+        wxLogDebug(wxT("Can't save textctrl to file without filename."));
 
         return FALSE;
     }
 
+#if wxUSE_FFILE
     wxFFile file(filename, "w");
     if ( file.IsOpened() && file.Write(GetValue()) )
     {
@@ -105,6 +143,7 @@ bool wxTextCtrlBase::SaveFile(const wxString& filename)
     }
 
     wxLogError(_("The text couldn't be saved."));
+#endif // wxUSE_FFILE
 
     return FALSE;
 }
@@ -122,7 +161,7 @@ wxTextCtrl& wxTextCtrlBase::operator<<(const wxString& s)
 wxTextCtrl& wxTextCtrlBase::operator<<(float f)
 {
     wxString str;
-    str.Printf(_T("%.2f"), f);
+    str.Printf(wxT("%.2f"), f);
     AppendText(str);
     return *TEXTCTRL(this);
 }
@@ -130,7 +169,7 @@ wxTextCtrl& wxTextCtrlBase::operator<<(float f)
 wxTextCtrl& wxTextCtrlBase::operator<<(double d)
 {
     wxString str;
-    str.Printf(_T("%.2f"), d);
+    str.Printf(wxT("%.2f"), d);
     AppendText(str);
     return *TEXTCTRL(this);
 }
@@ -138,7 +177,7 @@ wxTextCtrl& wxTextCtrlBase::operator<<(double d)
 wxTextCtrl& wxTextCtrlBase::operator<<(int i)
 {
     wxString str;
-    str.Printf(_T("%d"), i);
+    str.Printf(wxT("%d"), i);
     AppendText(str);
     return *TEXTCTRL(this);
 }
@@ -146,7 +185,7 @@ wxTextCtrl& wxTextCtrlBase::operator<<(int i)
 wxTextCtrl& wxTextCtrlBase::operator<<(long i)
 {
     wxString str;
-    str.Printf(_T("%ld"), i);
+    str.Printf(wxT("%ld"), i);
     AppendText(str);
     return *TEXTCTRL(this);
 }
@@ -162,34 +201,56 @@ wxTextCtrl& wxTextCtrlBase::operator<<(const wxChar c)
 
 #ifndef NO_TEXT_WINDOW_STREAM
 
-int wxTextCtrlBase::overflow( int WXUNUSED(c) )
+int wxTextCtrlBase::overflow(int c)
 {
-    int len = pptr() - pbase();
-    char *txt = new char[len+1];
-    strncpy(txt, pbase(), len);
-    txt[len] = '\0';
-    (*this) << txt;
-    setp(pbase(), epptr());
-    delete[] txt;
-    return EOF;
+    AppendText((wxChar)c);
+
+    // return something different from EOF
+    return 0;
 }
 
-int wxTextCtrlBase::sync()
+#endif // NO_TEXT_WINDOW_STREAM
+
+// ----------------------------------------------------------------------------
+// clipboard stuff
+// ----------------------------------------------------------------------------
+
+bool wxTextCtrlBase::CanCopy() const
 {
-    int len = pptr() - pbase();
-    char *txt = new char[len+1];
-    strncpy(txt, pbase(), len);
-    txt[len] = '\0';
-    (*this) << txt;
-    setp(pbase(), epptr());
-    delete[] txt;
-    return 0;
+    // can copy if there's a selection
+    long from, to;
+    GetSelection(&from, &to);
+    return from != to;
 }
 
-int wxTextCtrlBase::underflow()
+bool wxTextCtrlBase::CanCut() const
 {
-    return EOF;
+    // can cut if there's a selection and if we're not read only
+    return CanCopy() && IsEditable();
 }
 
-#endif // NO_TEXT_WINDOW_STREAM
+bool wxTextCtrlBase::CanPaste() const
+{
+    // can paste if we are not read only
+    return IsEditable();
+}
+
+// ----------------------------------------------------------------------------
+// misc
+// ----------------------------------------------------------------------------
+
+void wxTextCtrlBase::SelectAll()
+{
+    SetSelection(0, GetLastPosition());
+}
+
+#else // !wxUSE_TEXTCTRL
+
+// define this one even if !wxUSE_TEXTCTRL because it is also used by other
+// controls (wxComboBox and wxSpinCtrl)
+#include "wx/event.h"
+
+DEFINE_EVENT_TYPE(wxEVT_COMMAND_TEXT_UPDATED)
+
+#endif // wxUSE_TEXTCTRL/!wxUSE_TEXTCTRL