#ifndef KIWAY_PLAYER_H_ #define KIWAY_PLAYER_H_ /* * This program source code file is part of KiCad, a free EDA CAD application. * * Copyright (C) 2014 SoftPLC Corporation, Dick Hollenbeck * Copyright (C) 2014 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 */ #include #include #include 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 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; /** * 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*. *

* EDA_BASE_FRAME would not have sufficed because BM2CMP_FRAME_BASE is not * derived from it. */ class KIWAY_PLAYER : public EDA_BASE_FRAME, public KIWAY_HOLDER { 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(); //--------------------------------------------------------- // For the aCtl argument of OpenProjectFiles() #define KICTL_OPEN_APPEND (1<<0) ///< append the data file, rather than replace #define KICTL_EAGLE_BRD (1<<1) ///< chosen *.brd file is Eagle according to user. /** * 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. *

* Each derived class should handle this in a way specific to its needs. * No 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. *

* 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. *

* 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. *

* 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& 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. * * @return bool - true if frame implementation called KIWAY_PLAYER::DismissModal() * with aRetVal of true. */ VTBL_ENTRY bool ShowModal( wxString* aResult ); //-------------------------------------------------------- /** * Function KiwayMailIn * receives KIWAY_EXPRESS messages from other players. Merely override it * in derived classes. */ virtual void KiwayMailIn( KIWAY_EXPRESS& aEvent ); protected: bool IsModal() { return m_modal_dismissed; } /** * 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 ); // variables for modal behavior support, only used by a few derivatives. volatile bool* m_modal_dismissed; // points to "dismissed state", NULL means not modal wxString m_modal_string; bool m_modal_ret_val; // true if a selection was made DECLARE_EVENT_TABLE() }; // psuedo code for OpenProjectFiles #if 0 bool OpenProjectFiles( const std::vector& 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 (window does not support appending) || !(aCtl & KICTL_OPEN_APPEND) { close any currently open project files. } if( aFileList[0] does not exist ) { notify user file does not exist. create an empty project file mark file as modified. use the default project config file. } else { load aFileList[0] use the project config file for project given by aFileList[0]s full path. } UpdateTitle(); show contents. } #endif #endif // KIWAY_PLAYER_H_