// Author: Julian Smart (extracted from docview.h by VZ)
// Modified by:
// Created: 05.11.00
-// RCS-ID: $Id$
// Copyright: (c) wxWidgets team
// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
// headers
// ----------------------------------------------------------------------------
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
- #pragma implementation "cmdproc.h"
-#endif
-
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#include "wx/intl.h"
#include "wx/string.h"
#include "wx/menu.h"
+ #include "wx/accel.h"
#endif //WX_PRECOMP
#include "wx/cmdproc.h"
{
m_maxNoCommands = maxCommands;
#if wxUSE_MENUS
- m_commandEditMenu = (wxMenu *) NULL;
+ m_commandEditMenu = NULL;
#endif // wxUSE_MENUS
- m_undoAccelerator = wxT("\tCtrl+Z");
- m_redoAccelerator = wxT("\tCtrl+Y");
+
+#if wxUSE_ACCEL
+ m_undoAccelerator = '\t' + wxAcceleratorEntry(wxACCEL_CTRL, 'Z').ToString();
+ m_redoAccelerator = '\t' + wxAcceleratorEntry(wxACCEL_CTRL, 'Y').ToString();
+#endif // wxUSE_ACCEL
m_lastSavedCommand =
m_currentCommand = wxList::compatibility_iterator();
// storeIt is false.
bool wxCommandProcessor::Submit(wxCommand *command, bool storeIt)
{
- wxCHECK_MSG( command, false, _T("no command in wxCommandProcessor::Submit") );
+ wxCHECK_MSG( command, false, wxT("no command in wxCommandProcessor::Submit") );
if ( !DoCommand(*command) )
{
void wxCommandProcessor::Store(wxCommand *command)
{
- wxCHECK_RET( command, _T("no command in wxCommandProcessor::Store") );
-
- if ( (int)m_commands.GetCount() == m_maxNoCommands )
- {
- wxList::compatibility_iterator firstNode = m_commands.GetFirst();
- wxCommand *firstCommand = (wxCommand *)firstNode->GetData();
- delete firstCommand;
- m_commands.Erase(firstNode);
-
- // Make sure m_lastSavedCommand won't point to freed memory
- if ( m_lastSavedCommand == firstNode )
- m_lastSavedCommand = wxList::compatibility_iterator();
- }
+ wxCHECK_RET( command, wxT("no command in wxCommandProcessor::Store") );
// Correct a bug: we must chop off the current 'branch'
// so that we're at the end of the command list.
while (node)
{
wxList::compatibility_iterator next = node->GetNext();
- delete (wxCommand *)node->GetData();
- m_commands.Erase(node);
// Make sure m_lastSavedCommand won't point to freed memory
- if ( m_lastSavedCommand == node )
+ if ( m_lastSavedCommand && m_lastSavedCommand == node )
m_lastSavedCommand = wxList::compatibility_iterator();
+ delete (wxCommand *)node->GetData();
+ m_commands.Erase(node);
+
node = next;
}
}
+ if ( (int)m_commands.GetCount() == m_maxNoCommands )
+ {
+ wxList::compatibility_iterator firstNode = m_commands.GetFirst();
+
+ // Make sure m_lastSavedCommand won't point to freed memory
+ if ( m_lastSavedCommand && m_lastSavedCommand == firstNode )
+ m_lastSavedCommand = wxList::compatibility_iterator();
+
+ wxCommand *firstCommand = (wxCommand *)firstNode->GetData();
+ delete firstCommand;
+ m_commands.Erase(firstNode);
+ }
+
m_commands.Append(command);
m_currentCommand = m_commands.GetLast();
SetMenuStrings();
bool wxCommandProcessor::Redo()
{
- wxCommand *redoCommand = (wxCommand *) NULL;
+ wxCommand *redoCommand = NULL;
wxList::compatibility_iterator redoNode
-#if !wxUSE_STL
+#if !wxUSE_STD_CONTAINERS
= NULL // just to avoid warnings
-#endif // !wxUSE_STL
+#endif // !wxUSE_STD_CONTAINERS
;
if ( m_currentCommand )
m_lastSavedCommand = wxList::compatibility_iterator();
}
+bool wxCommandProcessor::IsDirty() const
+{
+ if ( m_commands.empty() )
+ {
+ // If we have never been modified, we can't be dirty.
+ return false;
+ }
+
+ if ( !m_lastSavedCommand )
+ {
+ // If we have been modified but have never been saved, we're dirty.
+ return true;
+ }
+
+ if ( !m_currentCommand )
+ {
+ // This only happens if all commands were undone after saving the
+ // document: we're dirty then.
+ return true;
+ }
+
+ // Finally if both iterators are valid, we may just compare them.
+ return m_currentCommand != m_lastSavedCommand;
+}