316 lines
10 KiB
C++
316 lines
10 KiB
C++
/*
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* This program source code file is part of KiCad, a free EDA CAD application.
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*
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* Copyright (C) 2014 SoftPLC Corporation, Dick Hollenbeck <dick@softplc.com>
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* Copyright (C) 2014 KiCad Developers, see change_log.txt for contributors.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, you may find one here:
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* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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* or you may search the http://www.gnu.org website for the version 2 license,
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* or you may write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#ifndef KIWAY_PLAYER_H_
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#define KIWAY_PLAYER_H_
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#include <wx/frame.h>
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#include <vector>
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#include <wxstruct.h>
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class KIWAY;
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class PROJECT;
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struct KIFACE;
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class KIFACE_I;
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#define VTBL_ENTRY virtual
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/**
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* Class KIWAY_HOLDER
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* is a mix in class which holds the location of a wxWindow's KIWAY. It allows
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* calls to Kiway() and SetKiway().
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*
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* Known to be used in at least DIALOG_SHIM and KIWAY_PLAYER classes.
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*/
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class KIWAY_HOLDER
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{
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public:
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KIWAY_HOLDER( KIWAY* aKiway ) :
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m_kiway( aKiway )
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{}
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/**
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* Function Kiway
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* returns a reference to the KIWAY that this object has an opportunity
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* to participate in. A KIWAY_HOLDER is not necessarily a KIWAY_PLAYER.
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*/
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KIWAY& Kiway() const
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{
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wxASSERT( m_kiway ); // smoke out bugs in Debug build, then Release runs fine.
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return *m_kiway;
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}
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/**
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* Function Prj
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* returns a reference to the PROJECT "associated with" this KIWAY.
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*/
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PROJECT& Prj() const;
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/**
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* Function SetKiway
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*
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* @param aDest is the recipient of aKiway pointer.
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* It is only used for debugging, since "this" is not a wxWindow*. "this" is
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* a KIWAY_HOLDER mix-in.
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*
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* @param aKiway is often from a parent window, or from KIFACE::CreateWindow().
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*/
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void SetKiway( wxWindow* aDest, KIWAY* aKiway );
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private:
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// private, all setting is done through SetKiway().
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KIWAY* m_kiway; // no ownership.
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};
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class KIWAY_EXPRESS;
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#define WX_EVENT_LOOP wxGUIEventLoop
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class WX_EVENT_LOOP;
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/**
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* Class KIWAY_PLAYER
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* is a wxFrame capable of the OpenProjectFiles function, meaning it can load
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* a portion of a KiCad project. Because this class provides a dummy implementation,
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* it is not a certainty that all classes which inherit from this clas intend to
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* participate in a KIWAY. Those that do must actually interact with the provided
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* KIWAY*.
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* <p>
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* EDA_BASE_FRAME would not have sufficed because BM2CMP_FRAME_BASE is not
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* derived from it.
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*/
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#ifdef SWIG
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class KIWAY_PLAYER : public wxFrame, public KIWAY_HOLDER
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#else
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class KIWAY_PLAYER : public EDA_BASE_FRAME, public KIWAY_HOLDER
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#endif
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{
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public:
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KIWAY_PLAYER( KIWAY* aKiway, wxWindow* aParent, FRAME_T aFrameType,
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const wxString& aTitle, const wxPoint& aPos, const wxSize& aSize,
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long aStyle, const wxString& aWdoName = wxFrameNameStr );
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/// Don't use this one, only wxformbuilder uses it, and it must be augmented with
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/// a SetKiway() early in derived constructor.
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KIWAY_PLAYER( wxWindow* aParent, wxWindowID aId, const wxString& aTitle,
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const wxPoint& aPos, const wxSize& aSize, long aStyle,
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const wxString& aWdoName = wxFrameNameStr );
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~KIWAY_PLAYER() throw();
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//----<Cross Module API>-----------------------------------------------------
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// For the aCtl argument of OpenProjectFiles()
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#define KICTL_EAGLE_BRD (1<<0) ///< chosen *.brd file is Eagle according to user.
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#define KICTL_CREATE (1<<1) ///< caller thinks requested project files may not exist
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/**
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* Function OpenProjectFiles
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* is abstract, and opens a project or set of files given by @a aFileList.
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* This is generalized in the direction of worst case. In a typical case
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* @a aFileList will only hold a single file, like "myboard.kicad_pcb",
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* because any KIWAY_PLAYER is only in one KIWAY and the KIWAY owns the
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* PROJECT. Therefore opening files from multiple projects into the same
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* KIWAY_PLAYER is precluded.
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* <p>
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* Each derived class should handle this in a way specific to its needs.
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* No filename prompting is done inside here for any file or project. There should
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* be no need to call this with aFileList which is empty. However, calling it with
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* a single filename which does not exist should indicate to the implementor
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* that a new session is being started and that the given name is the desired
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* name for the data file at time of save.
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* <p>
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* This function does not support "appending". Use a different function for that.
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* Any prior project data tree should be cleared before loading the new stuff.
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* <p>
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* Therefore, one of the first things an implementation should do is test for
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* existence of the first file in the list, and if it does not exist, treat
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* it as a new session, possibly with a UI notification to that effect.
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* <p>
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* After loading the window should update its Title as part of this operation.
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* If the KIWAY_PLAYER needs to, it can load the *.pro file as part of this operation.
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* <p>
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* If the KIWAY_PLAYER cannot load any of the file(s) in the list, then it
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* should say why through some GUI interface, and return false.
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*
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* @param aFileList includes files that this frame should open
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* according to the knowledge in the derived wxFrame. In almost every case,
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* the list will have only a single file in it.
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*
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* @param aCtl is a set of bit flags ORed together from the set of KICTL_* \#defined above.
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*
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* @return bool - true if all requested files were opened OK, else false.
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*/
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VTBL_ENTRY bool OpenProjectFiles( const std::vector<wxString>& aFileList, int aCtl = 0 )
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{
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// overload me for your wxFrame type.
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// Any overload should probably do this also:
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// Prj().MaybeLoadProjectSettings();
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// Then update the window title.
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return false;
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}
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/**
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* Function ShowModal
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* puts up this wxFrame as if it were a modal dialog, with all other instantiated
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* wxFrames disabled until this KIWAY_PLAYER derivative calls DismissModal().
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* That is, behavior is similar to a modal dialog window. Not all KIWAY_PLAYERs
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* use this interface, so don't call this unless the implementation knows how
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* to call DismissModal() on a button click or double click or some special
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* event which ends the modal behavior.
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*
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* @param aResult if not NULL, indicates a place to put a resultant string.
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* @param aResultantFocusWindow if not NULL, indicates what window to pass focus to on return.
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*
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* @return bool - true if frame implementation called KIWAY_PLAYER::DismissModal()
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* with aRetVal of true.
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*/
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VTBL_ENTRY bool ShowModal( wxString* aResult = NULL, wxWindow* aResultantFocusWindow = NULL );
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//----</Cross Module API>----------------------------------------------------
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/**
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* Function KiwayMailIn
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* receives KIWAY_EXPRESS messages from other players. Merely override it
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* in derived classes.
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*/
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virtual void KiwayMailIn( KIWAY_EXPRESS& aEvent );
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/**
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* Our version of Destroy() which is virtual from wxWidgets
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*/
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bool Destroy();
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protected:
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bool IsModal() { return m_modal; }
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void SetModal( bool IsModal ) { m_modal = IsModal; }
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/**
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* Function IsDismissed
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* returns false only if both the frame is acting in modal mode and it has not been
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* dismissed yet with DismissModal(). IOW, it will return true if the dialog is
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* not modal or if it is modal and has been dismissed.
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*/
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bool IsDismissed();
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void DismissModal( bool aRetVal, const wxString& aResult = wxEmptyString );
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/// event handler, routes to derivative specific virtual KiwayMailIn()
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void kiway_express( KIWAY_EXPRESS& aEvent );
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/**
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* Function language_change
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* is an event handler called on a language menu selection.
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*/
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void language_change( wxCommandEvent& event );
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// variables for modal behavior support, only used by a few derivatives.
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bool m_modal; // true if frame is intended to be modal, not modeless
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WX_EVENT_LOOP* m_modal_loop; // points to nested event_loop, NULL means not modal and dismissed
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wxWindow* m_modal_resultant_parent; // the window caller in modal mode
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wxString m_modal_string;
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bool m_modal_ret_val; // true if a selection was made
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#ifndef SWIG
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DECLARE_EVENT_TABLE()
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#endif
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};
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// psuedo code for OpenProjectFiles
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#if 0
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bool OpenProjectFiles( const std::vector<wxString>& aFileList, int aCtl = 0 )
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{
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if( aFileList.size() != 1 )
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{
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complain via UI.
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return false
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}
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assert( aFileList[0] is absolute ) // bug in single_top.cpp or project manager.
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if( !Pgm().LockFile( fullFileName ) )
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{
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DisplayError( this, _( "This file is already open." ) );
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return false;
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}
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if current open project files have been modified
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{
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ask if user wants to save them and if yes save.
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}
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unload any currently open project files.
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Prj().SetProjectFullName( )
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if( aFileList[0] does not exist )
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{
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notify user file does not exist and ask if he wants to create it
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if( yes )
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{
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create empty project file(s)
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mark file as modified.
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use the default project config file.
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}
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else
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return false
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}
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else
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{
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load aFileList[0]
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use the project config file for project given by aFileList[0]s full path.
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}
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UpdateFileHistory( g_RootSheet->GetScreen()->GetFileName() );
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/* done in ReDraw typically:
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UpdateTitle();
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*/
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show contents.
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}
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#endif
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#endif // KIWAY_PLAYER_H_
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