first pass of wxUniv merge - nothing works, most parts don't even compile
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@10673 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
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109
include/wx/cmdproc.h
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109
include/wx/cmdproc.h
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///////////////////////////////////////////////////////////////////////////////
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// Name: wx/cmdproc.h
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// Purpose: undo/redo capable command processing framework
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// Author: Julian Smart (extracted from docview.h by VZ)
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// Modified by:
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// Created: 05.11.00
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// RCS-ID: $Id$
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// Copyright: (c) wxWindows team
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// Licence: wxWindows licence
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///////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_CMDPROC_H_
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#define _WX_CMDPROC_H_
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#ifdef __GNUG__
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#pragma interface "cmdproc.h"
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#endif
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#include "wx/object.h"
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#include "wx/list.h"
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// ----------------------------------------------------------------------------
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// wxCommand: a single command capable of performing itself
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// ----------------------------------------------------------------------------
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class WXDLLEXPORT wxCommand : public wxObject
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{
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public:
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wxCommand(bool canUndoIt = FALSE, const wxString& name = "");
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~wxCommand();
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// Override this to perform a command
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virtual bool Do() = 0;
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// Override this to undo a command
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virtual bool Undo() = 0;
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virtual bool CanUndo() const { return m_canUndo; }
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virtual wxString GetName() const { return m_commandName; }
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protected:
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bool m_canUndo;
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wxString m_commandName;
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private:
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DECLARE_CLASS(wxCommand)
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};
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// ----------------------------------------------------------------------------
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// wxCommandProcessor: wxCommand manager
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// ----------------------------------------------------------------------------
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class WXDLLEXPORT wxCommandProcessor : public wxObject
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{
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public:
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// if max number of commands is -1, it is unlimited
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wxCommandProcessor(int maxCommands = -1);
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virtual ~wxCommandProcessor();
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// Pass a command to the processor. The processor calls Do(); if
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// successful, is appended to the command history unless storeIt is FALSE.
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virtual bool Submit(wxCommand *command, bool storeIt = TRUE);
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// just store the command without executing it
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virtual void Store(wxCommand *command);
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virtual bool Undo();
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virtual bool Redo();
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virtual bool CanUndo() const;
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virtual bool CanRedo() const;
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virtual void Initialize();
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virtual void SetMenuStrings();
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#if wxUSE_MENUS
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// Call this to manage an edit menu.
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void SetEditMenu(wxMenu *menu) { m_commandEditMenu = menu; }
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wxMenu *GetEditMenu() const { return m_commandEditMenu; }
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#endif // wxUSE_MENUS
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// command list access
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wxList& GetCommands() const { return (wxList&) m_commands; }
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wxCommand *GetCurrentCommand() const
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{
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return (wxCommand *)(m_currentCommand ? m_currentCommand->Data() : NULL);
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}
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int GetMaxCommands() const { return m_maxNoCommands; }
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virtual void ClearCommands();
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protected:
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// for further flexibility, command processor doesn't call wxCommand::Do()
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// and Undo() directly but uses these functions which can be overridden in
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// the derived class
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virtual bool DoCommand(wxCommand& cmd);
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virtual bool UndoCommand(wxCommand& cmd);
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int m_maxNoCommands;
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wxList m_commands;
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wxNode* m_currentCommand;
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#if wxUSE_MENUS
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wxMenu* m_commandEditMenu;
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#endif // wxUSE_MENUS
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private:
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DECLARE_DYNAMIC_CLASS(wxCommandProcessor)
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};
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#endif // _WX_CMDPROC_H_
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