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kicad/include/pgm_base.h

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2004-2015 Jean-Pierre Charras, jaen-pierre.charras@gipsa-lab.inpg.com
* Copyright (C) 2008-2015 Wayne Stambaugh <stambaughw@verizon.net>
* Copyright (C) 1992-2015 KiCad Developers, see AUTHORS.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
*/
/**
* @file pgm_base.h
* @brief see class PGM_BASE
*/
#ifndef PGM_BASE_H_
#define PGM_BASE_H_
#include <map>
#include <wx/filename.h>
#include <search_stack.h>
#include <wx/gdicmn.h>
class wxConfigBase;
class wxSingleInstanceChecker;
class wxApp;
class wxMenu;
class wxWindow;
// inter program module calling
#define VTBL_ENTRY virtual
/**
* Class ENV_VAR_ITEM
*
* is a simple helper class to store environment variable values and the status of whether
* or not they were defined externally to the process created when any of the KiCad applications
* was launched.
*/
class ENV_VAR_ITEM
{
public:
ENV_VAR_ITEM( const wxString& aValue = wxEmptyString, bool aIsDefinedExternally = false ) :
m_value( aValue ),
m_isDefinedExternally( aIsDefinedExternally )
{
}
~ENV_VAR_ITEM() throw() {} // tell SWIG no exception
bool GetDefinedExternally() const { return m_isDefinedExternally; }
void SetDefinedExternally( bool aIsDefinedExternally )
{
m_isDefinedExternally = aIsDefinedExternally;
}
const wxString& GetValue() const { return m_value; }
void SetValue( const wxString& aValue ) { m_value = aValue; }
private:
/// The environment variable string value.
wxString m_value;
/// Flag to indicate if the environment variable was defined externally to the process.
bool m_isDefinedExternally;
};
typedef std::map<wxString, ENV_VAR_ITEM> ENV_VAR_MAP;
typedef std::map<wxString, ENV_VAR_ITEM>::iterator ENV_VAR_MAP_ITER;
typedef std::map<wxString, ENV_VAR_ITEM>::const_iterator ENV_VAR_MAP_CITER;
/**
* Class PGM_BASE
* keeps program (whole process) data for KiCad programs.
* The VTBL_ENTRY functions are VTBL_ENTRY so we can do cross module calls
* without linking to them. This used to be a wxApp derivative, but that
* is difficult under wxPython which shapes the wxApp. So now this is a "side-car"
* (like a motorcycle side-car) object with a back pointer into the wxApp
* which initializes it.
* <p>
* OnPgmStart() is virtual, may be overridden, and parallels
* wxApp::OnInit(), from where it should called.
* <p>
* OnPgmEnd() is virtual, may be overridden, and parallels wxApp::OnExit(),
* from where it should be called.
*/
class PGM_BASE
{
public:
PGM_BASE();
virtual ~PGM_BASE();
#if 0
/*
Derived classes must implement these two functions: OnPgmInit() and
OnPgmExit(), and since they are only called from same source file as their
implementation, these need not be virtual here. In fact, in the case of
python project manager's class PGM_PYTHON, these functions are actually
written in python. In total there are three implementations, corresponding
to the three defines given by kiface.h's KFCTL_* #defines.
*/
/**
* Function OnPgmInit
* this is the first executed function (like main() )
* @return true if the application can be started.
*/
virtual bool OnPgmInit() = 0; // call this from wxApp::OnInit()
virtual void OnPgmExit() = 0; // call this from wxApp::OnExit()
#endif
//----<Cross Module API>-----------------------------------------------------
/**
* Function MacOpenFile
* is specific to MacOSX (not used under Linux or Windows).
* MacOSX requires it for file association.
* @see http://wiki.wxwidgets.org/WxMac-specific_topics
*/
VTBL_ENTRY void MacOpenFile( const wxString& aFileName ) = 0;
VTBL_ENTRY wxConfigBase* CommonSettings() const { return m_common_settings; }
VTBL_ENTRY void SetEditorName( const wxString& aFileName );
/**
* Return the preferred editor name.
* @param aCanShowFileChooser If no editor is currently set and this argument is
* 'true' then this method will show a file chooser dialog asking for the
* editor's executable.
* @return Returns the full path of the editor, or an empty string if no editor has
* been set.
*/
VTBL_ENTRY const wxString& GetEditorName( bool aCanShowFileChooser = true );
/**
* Shows a dialog that instructs the user to select a new preferred editor.
* @param aDefaultEditor Default full path for the default editor this dialog should
* show by default.
* @return Returns the full path of the editor, or an empty string if no editor was
* chosen.
*/
VTBL_ENTRY const wxString AskUserForPreferredEditor(
const wxString& aDefaultEditor = wxEmptyString );
VTBL_ENTRY bool IsKicadEnvVariableDefined() const { return !m_kicad_env.IsEmpty(); }
VTBL_ENTRY const wxString& GetKicadEnvVariable() const { return m_kicad_env; }
VTBL_ENTRY const wxString& GetExecutablePath() const { return m_bin_dir; }
VTBL_ENTRY wxLocale* GetLocale() { return m_locale; }
VTBL_ENTRY const wxString& GetPdfBrowserName() const { return m_pdf_browser; }
VTBL_ENTRY void SetPdfBrowserName( const wxString& aFileName ) { m_pdf_browser = aFileName; }
/**
* Function UseSystemPdfBrowser
* returns true if the PDF browser is the default (system) PDF browser
* and false if the PDF browser is the preferred (selected) browser, else
* returns false if there is no selected browser
*/
VTBL_ENTRY bool UseSystemPdfBrowser() const
{
return m_use_system_pdf_browser || m_pdf_browser.IsEmpty();
}
/**
* Function ForceSystemPdfBrowser
* forces the use of system PDF browser, even if a preferred PDF browser is set.
*/
VTBL_ENTRY void ForceSystemPdfBrowser( bool aFlg ) { m_use_system_pdf_browser = aFlg; }
/**
* Function SetLanguage
* sets the dictionary file name for internationalization.
* <p>
* The files are in kicad/internat/xx or kicad/internat/xx_XX and are named kicad.mo
* </p>
* @param first_time must be set to true the first time this funct is
* called, false otherwise
* @return true if the language can be set (i.e. if the locale is available)
*/
VTBL_ENTRY bool SetLanguage( bool first_time = false );
/**
* Function AddMenuLanguageList
* creates a menu list for language choice, and add it as submenu to \a MasterMenu.
*
* @param MasterMenu The main menu. The sub menu list will be accessible from the menu
* item with id ID_LANGUAGE_CHOICE
*/
VTBL_ENTRY void AddMenuLanguageList( wxMenu* MasterMenu );
/**
* Function SetLanguageIdentifier
* sets in .m_language_id member the wxWidgets language identifier Id from
* the KiCad menu id (internal menu identifier).
*
* @param menu_id The KiCad menuitem id (returned by Menu Event, when
* clicking on a menu item)
*/
VTBL_ENTRY void SetLanguageIdentifier( int menu_id );
VTBL_ENTRY void SetLanguagePath();
/**
* Function ReadPdfBrowserInfos
* reads the PDF browser choice from the common configuration.
*/
VTBL_ENTRY void ReadPdfBrowserInfos();
/**
* Function WritePdfBrowserInfos
* saves the PDF browser choice to the common configuration.
*/
VTBL_ENTRY void WritePdfBrowserInfos();
/**
* Function SetLocalEnvVariable
*
* Sets the environment variable \a aName to \a aValue.
*
* This function first checks to see if the environment variable \a aName is already
* defined. If it is not defined, then the environment variable \a aName is set to
* a value. Otherwise, the environment variable is left unchanged. This allows the user
* to override environment variables for testing purposes.
*
* @param aName is a wxString containing the environment variable name.
* @param aValue is a wxString containing the environment variable value.
* @return true if the environment variable \a Name was set to \a aValue.
*/
VTBL_ENTRY bool SetLocalEnvVariable( const wxString& aName, const wxString& aValue );
/**
* Function SetLocalEnvVariables
*
* sets the internal local environment variable map to \a aEnvVarMap, updates the entries
* in the .kicad_common configuration file, and sets the environment variable to the new
* settings.
*
* @param aEnvVarMap is a ENV_VAR_MAP object containing the new environment variables.
*/
VTBL_ENTRY void SetLocalEnvVariables( const ENV_VAR_MAP& aEnvVarMap );
VTBL_ENTRY const ENV_VAR_MAP& GetLocalEnvVariables() const
{
return m_local_env_vars;
}
/**
* Function ConfigurePaths
*
* presents a dialog to the user to edit local environment variable settings for use in
* the footprint library table and the 3D model importer. It was added to PGM_BASE because
* it will eventually find use for in schematic I/O design so it needs to accessible by
* almost every KiCad application.
*
* @param aParent - a pointer the wxWindow parent of the dialog or NULL to use the top level
* window.
*/
VTBL_ENTRY void ConfigurePaths( wxWindow* aParent = NULL );
/**
* Function App
* returns a bare naked wxApp, which may come from wxPython, SINGLE_TOP, or kicad.exe.
* Should return what wxGetApp() returns.
*/
VTBL_ENTRY wxApp& App();
//----</Cross Module API>----------------------------------------------------
static const wxChar workingDirKey[];
/**
* Function initPgm
* initializes this program (process) in a KiCad standard way,
* using some generalized techniques.
* - Default paths (help, libs, bin) and configuration file names
* - Language and locale
* - fonts
* <p>
* But nothing relating to DSOs or projects.
* @return bool - true if success, false if failure and program is to terminate.
*/
bool InitPgm();
// The PGM_* classes can have difficulties at termination if they
// are not destroyed soon enough. Relying on a static destructor can be
// too late for contained objects like wxSingleInstanceChecker.
void Destroy();
/**
* Function saveCommonSettings
* saves the program (process) settings subset which are stored .kicad_common
*/
void SaveCommonSettings();
protected:
/**
* Function loadCommonSettings
* loads the program (process) settings subset which are stored in .kicad_common
*/
void loadCommonSettings();
/// prevents multiple instances of a program from being run at the same time.
wxSingleInstanceChecker* m_pgm_checker;
/// Configuration settings common to all KiCad program modules,
/// like as in $HOME/.kicad_common
wxConfigBase* m_common_settings;
/// full path to this program
wxString m_bin_dir;
/// The KICAD system environment variable.
wxString m_kicad_env;
/// The current locale.
wxLocale* m_locale;
/// The current language setting.
int m_language_id;
/// true to use the selected PDF browser, if exists, or false to use the default
bool m_use_system_pdf_browser;
/// Trap all changes in here, simplifies debugging
void setLanguageId( int aId ) { m_language_id = aId; }
/**
* Function setExecutablePath
* finds the path to the executable and stores it in PGM_BASE::m_bin_dir
* @return bool - true if success, else false.
*/
bool setExecutablePath();
/// The file name of the the program selected for browsing pdf files.
wxString m_pdf_browser;
wxString m_editor_name;
wxSize m_help_size;
/// Local environment variable expansion settings such as KIGITHUB, KISYSMOD, and KISYS3DMOD.
ENV_VAR_MAP m_local_env_vars;
/// Flag to indicate if the environment variable overwrite warning dialog should be shown.
bool m_show_env_var_dialog;
};
/// The global Program "get" accessor.
/// Implemented in: 1) common/single_top.cpp, 2) kicad/kicad.cpp, and 3) scripting/kiway.i
extern PGM_BASE& Pgm();
#endif // PGM_BASE_H_
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