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d14efe561b
long become wxWidgets 2.9.2, which in turn is expected to be the last 2.9 release before the 3.0 stable release. Since the full wxWidgets distribution is rather large, I have imported only the parts that we use, on a subdirectory basis: art include/wx/*.* include/wx/aui include/wx/cocoa include/wx/generic include/wx/gtk include/wx/meta include/wx/msw include/wx/osx include/wx/persist include/wx/private include/wx/protocol include/wx/unix src/aui src/common src/generic src/gtk src/msw src/osx src/unix git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@7380 8ced0084-cf51-0410-be5f-012b33b47a6e
144 lines
4.5 KiB
C++
144 lines
4.5 KiB
C++
///////////////////////////////////////////////////////////////////////////////
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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: cmdproc.h 58757 2009-02-08 11:45:59Z VZ $
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// Copyright: (c) wxWidgets 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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#include "wx/defs.h"
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#include "wx/object.h"
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#include "wx/list.h"
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class WXDLLIMPEXP_FWD_CORE wxMenu;
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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 WXDLLIMPEXP_CORE wxCommand : public wxObject
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{
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public:
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wxCommand(bool canUndoIt = false, const wxString& name = wxEmptyString);
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virtual ~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 WXDLLIMPEXP_CORE 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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// Initialises the current command and menu strings.
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virtual void Initialize();
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// Sets the Undo/Redo menu strings for the current menu.
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virtual void SetMenuStrings();
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// Gets the current Undo menu label.
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wxString GetUndoMenuLabel() const;
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// Gets the current Undo menu label.
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wxString GetRedoMenuLabel() const;
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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() { return m_commands; }
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const wxList& GetCommands() const { return m_commands; }
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wxCommand *GetCurrentCommand() const
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{
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return (wxCommand *)(m_currentCommand ? m_currentCommand->GetData() : 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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// Has the current project been changed?
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virtual bool IsDirty() const
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{
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return m_currentCommand && (m_lastSavedCommand != m_currentCommand);
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}
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// Mark the current command as the one where the last save took place
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void MarkAsSaved()
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{
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m_lastSavedCommand = m_currentCommand;
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}
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// By default, the accelerators are "\tCtrl+Z" and "\tCtrl+Y"
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const wxString& GetUndoAccelerator() const { return m_undoAccelerator; }
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const wxString& GetRedoAccelerator() const { return m_redoAccelerator; }
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void SetUndoAccelerator(const wxString& accel) { m_undoAccelerator = accel; }
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void SetRedoAccelerator(const wxString& accel) { m_redoAccelerator = accel; }
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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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wxList::compatibility_iterator m_currentCommand,
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m_lastSavedCommand;
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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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wxString m_undoAccelerator;
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wxString m_redoAccelerator;
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private:
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DECLARE_DYNAMIC_CLASS(wxCommandProcessor)
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wxDECLARE_NO_COPY_CLASS(wxCommandProcessor);
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};
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#endif // _WX_CMDPROC_H_
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