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kicad/include/kiway_player.h

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2014 SoftPLC Corporation, Dick Hollenbeck <dick@softplc.com>
* Copyright (C) 2017 KiCad Developers, see change_log.txt for contributors.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, you may find one here:
* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
* or you may search the http://www.gnu.org website for the version 2 license,
* or you may write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#ifndef KIWAY_PLAYER_H_
#define KIWAY_PLAYER_H_
#include <wx/frame.h>
#include <vector>
#include <eda_base_frame.h>
class KIWAY;
class PROJECT;
struct KIFACE;
class KIFACE_I;
#define VTBL_ENTRY virtual
/**
* Class KIWAY_HOLDER
* is a mix in class which holds the location of a wxWindow's KIWAY. It allows
* calls to Kiway() and SetKiway().
*
* Known to be used in at least DIALOG_SHIM and KIWAY_PLAYER classes.
*/
class KIWAY_HOLDER
{
public:
KIWAY_HOLDER( KIWAY* aKiway ) :
m_kiway( aKiway )
{}
/**
* Function Kiway
* returns a reference to the KIWAY that this object has an opportunity
* to participate in. A KIWAY_HOLDER is not necessarily a KIWAY_PLAYER.
*/
KIWAY& Kiway() const
{
wxASSERT( m_kiway ); // smoke out bugs in Debug build, then Release runs fine.
return *m_kiway;
}
/**
* Function Prj
* returns a reference to the PROJECT "associated with" this KIWAY.
*/
PROJECT& Prj() const;
/**
* Function GetUserUnits
* Allows participation in KEYWAY_PLAYER/DIALOG_SHIM userUnits inheritance.
*
* This would fit better in KEYWAY_PLAYER, but DIALOG_SHIMs can only use mix-ins
* because their primary superclass must be wxDialog.
*/
VTBL_ENTRY EDA_UNITS_T GetUserUnits() const;
/**
* Function SetKiway
*
* @param aDest is the recipient of aKiway pointer.
* It is only used for debugging, since "this" is not a wxWindow*. "this" is
* a KIWAY_HOLDER mix-in.
*
* @param aKiway is often from a parent window, or from KIFACE::CreateWindow().
*/
void SetKiway( wxWindow* aDest, KIWAY* aKiway );
private:
// private, all setting is done through SetKiway().
KIWAY* m_kiway; // no ownership.
};
class KIWAY_EXPRESS;
#define WX_EVENT_LOOP wxGUIEventLoop
class WX_EVENT_LOOP;
/**
* Class KIWAY_PLAYER
* is a wxFrame capable of the OpenProjectFiles function, meaning it can load
* a portion of a KiCad project. Because this class provides a dummy implementation,
* it is not a certainty that all classes which inherit from this clas intend to
* participate in a KIWAY. Those that do must actually interact with the provided
* KIWAY*.
* <p>
* EDA_BASE_FRAME would not have sufficed because BM2CMP_FRAME_BASE is not
* derived from it.
*/
#ifdef SWIG
class KIWAY_PLAYER : public wxFrame, public KIWAY_HOLDER
#else
class KIWAY_PLAYER : public EDA_BASE_FRAME, public KIWAY_HOLDER
#endif
{
public:
KIWAY_PLAYER( KIWAY* aKiway, wxWindow* aParent, FRAME_T aFrameType,
const wxString& aTitle, const wxPoint& aPos, const wxSize& aSize,
long aStyle, const wxString& aWdoName = wxFrameNameStr );
/// Don't use this one, only wxformbuilder uses it, and it must be augmented with
/// a SetKiway() early in derived constructor.
KIWAY_PLAYER( wxWindow* aParent, wxWindowID aId, const wxString& aTitle,
const wxPoint& aPos, const wxSize& aSize, long aStyle,
const wxString& aWdoName = wxFrameNameStr );
~KIWAY_PLAYER() throw();
//----<Cross Module API>-----------------------------------------------------
// For the aCtl argument of OpenProjectFiles()
#define KICTL_EAGLE_BRD (1<<0) ///< chosen *.brd file is Eagle according to user.
#define KICTL_CREATE (1<<1) ///< caller thinks requested project files may not exist
/**
* Function OpenProjectFiles
* is abstract, and opens a project or set of files given by @a aFileList.
* This is generalized in the direction of worst case. In a typical case
* @a aFileList will only hold a single file, like "myboard.kicad_pcb",
* because any KIWAY_PLAYER is only in one KIWAY and the KIWAY owns the
* PROJECT. Therefore opening files from multiple projects into the same
* KIWAY_PLAYER is precluded.
* <p>
* Each derived class should handle this in a way specific to its needs.
* No filename prompting is done inside here for any file or project. There should
* be no need to call this with aFileList which is empty. However, calling it with
* a single filename which does not exist should indicate to the implementor
* that a new session is being started and that the given name is the desired
* name for the data file at time of save.
* <p>
* This function does not support "appending". Use a different function for that.
* Any prior project data tree should be cleared before loading the new stuff.
* <p>
* Therefore, one of the first things an implementation should do is test for
* existence of the first file in the list, and if it does not exist, treat
* it as a new session, possibly with a UI notification to that effect.
* <p>
* After loading the window should update its Title as part of this operation.
* If the KIWAY_PLAYER needs to, it can load the *.pro file as part of this operation.
* <p>
* If the KIWAY_PLAYER cannot load any of the file(s) in the list, then it
* should say why through some GUI interface, and return false.
*
* @param aFileList includes files that this frame should open
* according to the knowledge in the derived wxFrame. In almost every case,
* the list will have only a single file in it.
*
* @param aCtl is a set of bit flags ORed together from the set of KICTL_* \#defined above.
*
* @return bool - true if all requested files were opened OK, else false.
*/
VTBL_ENTRY bool OpenProjectFiles( const std::vector<wxString>& aFileList, int aCtl = 0 )
{
// overload me for your wxFrame type.
// Any overload should probably do this also:
// Prj().MaybeLoadProjectSettings();
// Then update the window title.
return false;
}
/**
* Function ShowModal
* puts up this wxFrame as if it were a modal dialog, with all other instantiated
* wxFrames disabled until this KIWAY_PLAYER derivative calls DismissModal().
* That is, behavior is similar to a modal dialog window. Not all KIWAY_PLAYERs
* use this interface, so don't call this unless the implementation knows how
* to call DismissModal() on a button click or double click or some special
* event which ends the modal behavior.
*
* @param aResult if not NULL, indicates a place to put a resultant string.
* @param aResultantFocusWindow if not NULL, indicates what window to pass focus to on return.
*
* @return bool - true if frame implementation called KIWAY_PLAYER::DismissModal()
* with aRetVal of true.
*/
VTBL_ENTRY bool ShowModal( wxString* aResult = NULL, wxWindow* aResultantFocusWindow = NULL );
//----</Cross Module API>----------------------------------------------------
/**
* Function KiwayMailIn
* receives KIWAY_EXPRESS messages from other players. Merely override it
* in derived classes.
*/
virtual void KiwayMailIn( KIWAY_EXPRESS& aEvent );
/**
* Our version of Destroy() which is virtual from wxWidgets
*/
bool Destroy() override;
protected:
bool IsModal() { return m_modal; }
void SetModal( bool aIsModal ) { m_modal = aIsModal; }
/**
* Function IsDismissed
* returns false only if both the frame is acting in modal mode and it has not been
* dismissed yet with DismissModal(). IOW, it will return true if the dialog is
* not modal or if it is modal and has been dismissed.
*/
bool IsDismissed();
void DismissModal( bool aRetVal, const wxString& aResult = wxEmptyString );
/// event handler, routes to derivative specific virtual KiwayMailIn()
void kiway_express( KIWAY_EXPRESS& aEvent );
/**
* Function language_change
* is an event handler called on a language menu selection.
*/
void language_change( wxCommandEvent& event );
/**
* Function OnChangeIconsOptions
* is an event handler called on a icons options in menus or toolbars
* menu selection.
*/
void OnChangeIconsOptions( wxCommandEvent& event ) override;
// variables for modal behavior support, only used by a few derivatives.
bool m_modal; // true if frame is intended to be modal, not modeless
WX_EVENT_LOOP* m_modal_loop; // points to nested event_loop, NULL means not modal and dismissed
wxWindow* m_modal_resultant_parent; // the window caller in modal mode
wxString m_modal_string;
bool m_modal_ret_val; // true if a selection was made
#ifndef SWIG
DECLARE_EVENT_TABLE()
#endif
};
// psuedo code for OpenProjectFiles
#if 0
bool OpenProjectFiles( const std::vector<wxString>& aFileList, int aCtl = 0 )
{
if( aFileList.size() != 1 )
{
complain via UI.
return false
}
assert( aFileList[0] is absolute ) // bug in single_top.cpp or project manager.
if( !Pgm().LockFile( fullFileName ) )
{
DisplayError( this, _( "This file is already open." ) );
return false;
}
if current open project files have been modified
{
ask if user wants to save them and if yes save.
}
unload any currently open project files.
Prj().SetProjectFullName( )
if( aFileList[0] does not exist )
{
notify user file does not exist and ask if he wants to create it
if( yes )
{
create empty project file(s)
mark file as modified.
use the default project config file.
}
else
return false
}
else
{
load aFileList[0]
use the project config file for project given by aFileList[0]s full path.
}
UpdateFileHistory( g_RootSheet->GetScreen()->GetFileName() );
/* done in ReDraw typically:
UpdateTitle();
*/
show contents.
}
#endif
#endif // KIWAY_PLAYER_H_
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