kicad/include/eda_base_frame.h

819 lines
28 KiB
C++

/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2009-2015 Jean-Pierre Charras, jp.charras wanadoo.fr
* Copyright (C) 2011 Wayne Stambaugh <stambaughw@gmail.com>
* Copyright (C) 1992-2020 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 eda_base_frame.h
* @brief Base window classes and related definitions.
*/
#ifndef EDA_BASE_FRAME_H_
#define EDA_BASE_FRAME_H_
#include <vector>
#include <wx/socket.h>
#include <wx/log.h>
#include <wx/wxhtml.h>
#include <wx/laywin.h>
#include <wx/aui/aui.h>
#include <wx/docview.h>
#include <wx/event.h>
#include <layers_id_colors_and_visibility.h>
#include <frame_type.h>
#include <hotkeys_basic.h>
#include <kiway_holder.h>
#include <tool/tools_holder.h>
#include <widgets/ui_common.h>
#include <undo_redo_container.h>
#include <eda_units.h>
// Option for main frames
#define KICAD_DEFAULT_DRAWFRAME_STYLE wxDEFAULT_FRAME_STYLE | wxWANTS_CHARS
#define KICAD_MANAGER_FRAME_NAME wxT( "KicadFrame" )
class EDA_ITEM;
class EDA_RECT;
class EDA_DRAW_PANEL_GAL;
class EDA_MSG_PANEL;
class BASE_SCREEN;
class PARAM_CFG;
class PAGE_INFO;
class PLOTTER;
class TITLE_BLOCK;
class MSG_PANEL_ITEM;
class TOOL_MANAGER;
class TOOL_DISPATCHER;
class ACTIONS;
class PAGED_DIALOG;
class DIALOG_EDIT_LIBRARY_TABLES;
class PANEL_HOTKEYS_EDITOR;
class FILE_HISTORY;
class SETTINGS_MANAGER;
class SEARCH_STACK;
class APP_SETTINGS_BASE;
class WX_INFOBAR;
struct WINDOW_SETTINGS;
struct WINDOW_STATE;
#define DEFAULT_MAX_UNDO_ITEMS 0
#define ABS_MAX_UNDO_ITEMS (INT_MAX / 2)
/// This is the handler functor for the update UI events
typedef std::function< void( wxUpdateUIEvent& ) > UIUpdateHandler;
wxDECLARE_EVENT( UNITS_CHANGED, wxCommandEvent );
/**
* The base frame for deriving all KiCad main window classes.
*
* This class is not intended to be used directly. It provides support for automatic calls
* to SaveSettings() function. SaveSettings() for a derived class can choose to do nothing,
* or rely on basic SaveSettings() support in this base class to do most of the work by
* calling it from the derived class's SaveSettings(). This class is not a #KIWAY_PLAYER
* because #KICAD_MANAGER_FRAME is derived from it and that class is not a player.
*/
class EDA_BASE_FRAME : public wxFrame, public TOOLS_HOLDER, public KIWAY_HOLDER
{
public:
EDA_BASE_FRAME( wxWindow* aParent, FRAME_T aFrameType, const wxString& aTitle,
const wxPoint& aPos, const wxSize& aSize, long aStyle,
const wxString& aFrameName, KIWAY* aKiway );
~EDA_BASE_FRAME();
/**
* Return the user units currently in use.
*/
EDA_UNITS GetUserUnits() const
{
return m_userUnits;
}
void SetUserUnits( EDA_UNITS aUnits )
{
m_userUnits = aUnits;
}
void ChangeUserUnits( EDA_UNITS aUnits );
virtual void ToggleUserUnits() { }
SETTINGS_MANAGER* GetSettingsManager() const { return m_settingsManager; }
virtual SEVERITY GetSeverity( int aErrorCode ) const { return RPT_SEVERITY_UNDEFINED; }
/**
* Override the default process event handler to implement the auto save feature.
*
* @warning If you override this function in a derived class, make sure you call down to
* this or the auto save feature will be disabled.
*/
bool ProcessEvent( wxEvent& aEvent ) override;
/**
* Capture the key event before it is sent to the GUI.
*
* The basic frame does not capture this event. Editor frames should override this event
* function to capture and filter these keys when they are used as hotkeys, and skip it if
* the key is not used as hotkey (otherwise the key events will be not sent to menus).
*/
virtual void OnCharHook( wxKeyEvent& event );
/**
* The #TOOL_DISPATCHER needs these to work around some issues in wxWidgets where the menu
* events aren't captured by the menus themselves.
*/
void OnMenuEvent( wxMenuEvent& event );
/**
* Register a UI update handler for the control with ID @c aID
*
* @param aID is the control ID to register the handler for
* @param aConditions are the UI conditions to use for the control states
*/
virtual void RegisterUIUpdateHandler( int aID, const ACTION_CONDITIONS& aConditions ) override;
/**
* Unregister a UI handler for a given ID that was registered using @c RegisterUIUpdateHandler
*
* @param aID is the control ID to unregister the handler for
*/
virtual void UnregisterUIUpdateHandler( int aID ) override;
/**
* Handle events generated when the UI is trying to figure out the current state of the
* UI controls related to #TOOL_ACTIONS (e.g. enabled, checked, etc.).
*
* @param aEvent is the wxUpdateUIEvent to be processed.
* @param aFrame is the frame to get the selection from
* @param aCond are the #UI SELECTION_CONDITIONS used
*/
static void HandleUpdateUIEvent( wxUpdateUIEvent& aEvent, EDA_BASE_FRAME* aFrame,
ACTION_CONDITIONS aCond );
virtual void OnMove( wxMoveEvent& aEvent )
{
aEvent.Skip();
}
void OnMaximize( wxMaximizeEvent& aEvent );
void SetAutoSaveInterval( int aInterval );
int GetAutoSaveInterval() const { return m_autoSaveInterval; }
bool IsType( FRAME_T aType ) const { return m_ident == aType; }
/**
* Return a #SEARCH_STACK pertaining to entire program.
*
* This is overloaded in #KICAD_MANAGER_FRAME
*/
virtual const SEARCH_STACK& sys_search();
virtual wxString help_name();
void OnKicadAbout( wxCommandEvent& event );
void OnPreferences( wxCommandEvent& event );
void PrintMsg( const wxString& text );
void CreateInfoBar();
void FinishAUIInitialization();
/**
* @return the #WX_INFOBAR that can be displayed on the top of the canvas.
*/
WX_INFOBAR* GetInfoBar() { return m_infoBar; }
/**
* Show the #WX_INFOBAR displayed on the top of the canvas with a message and an error
* icon on the left of the infobar, and an optional closebox to the right.
*
* The infobar will be closed after a timeout.
*
* @param aErrorMsg is the message to display.
* @param aShowCloseButton true to show a close button on the right of the #WX_INFOBAR.
*/
void ShowInfoBarError( const wxString& aErrorMsg, bool aShowCloseButton = false );
/**
* Show the #WX_INFOBAR displayed on the top of the canvas with a message and an error
* icon on the left of the infobar, and an optional closebox to the right.
*
* The infobar will be closed after a timeout.
*
* This version accepts a callback which will be called when the infobar is dismissed
* (either as a result of user action or a timeout). This can be useful when the caller
* wants to make other decorations in the canvas to highlight the error.
*
* @param aErrorMsg is the message to display.
* @param aShowCloseButton true to show a close button on the right of the #WX_INFOBAR.
* @param aCallback a callback to be called when the infobar is dismissed.
*/
void ShowInfoBarError( const wxString& aErrorMsg, bool aShowCloseButton,
std::function<void(void)> aCallback );
/**
* Show the #WX_INFOBAR displayed on the top of the canvas with a message and a warning
* icon on the left of the infobar.
*
* The infobar will be closed after a timeout.
*
* @param aErrorMsg is the message to display.
* @param aShowCloseButton true to show a close button on the right of the #WX_INFOBAR.
*/
void ShowInfoBarWarning( const wxString& aWarningMsg, bool aShowCloseButton = false );
/**
* Show the #WX_INFOBAR displayed on the top of the canvas with a message and an info
* icon on the left of the infobar.
*
* The infobar will be closed after a timeout.
*
* @param aErrorMsg is the message to display.
* @param aShowCloseButton true to show a close button on the right of the #WX_INFOBAR.
*/
void ShowInfoBarMsg( const wxString& aMsg, bool aShowCloseButton = false );
/**
* Returns the settings object used in SaveSettings(), and is overloaded in
* #KICAD_MANAGER_FRAME.
*/
virtual APP_SETTINGS_BASE* config() const;
/**
* Allow a frame to load its preference panels (if any) into the preferences dialog.
*
* @param aParent a paged dialog into which the preference panels should be installed.
*/
virtual void InstallPreferences( PAGED_DIALOG* , PANEL_HOTKEYS_EDITOR* ) { }
void LoadWindowState( const wxString& aFileName );
/**
* Load window settings from the given settings object.
*
* Normally called by #LoadSettings() unless the window in question is a child window
* that* stores its settings somewhere other than #APP_SETTINGS_BASE::m_Window.
*/
void LoadWindowSettings( const WINDOW_SETTINGS* aCfg );
/**
* Save window settings to the given settings object.
*
* Normally called by #SaveSettings unless the window in question is a child window that
* stores its settings somewhere other than #APP_SETTINGS_BASE::m_Window.
*/
void SaveWindowSettings( WINDOW_SETTINGS* aCfg );
/**
* Load common frame parameters from a configuration file.
*
* Don't forget to call the base method or your frames won't remember their positions
* and sizes.
*/
virtual void LoadSettings( APP_SETTINGS_BASE* aCfg );
/**
* Save common frame parameters to a configuration data file.
*
* Don't forget to call the base class's SaveSettings() from your derived
* #SaveSettings() otherwise the frames won't remember their positions and sizes.
*/
virtual void SaveSettings( APP_SETTINGS_BASE* aCfg );
/**
* Return a pointer to the window settings for this frame.
*
* By default, points to aCfg->m_Window for top-level frames.
*
* @param aCfg is this frame's config object
*/
virtual WINDOW_SETTINGS* GetWindowSettings( APP_SETTINGS_BASE* aCfg );
/**
* Load frame state info from a configuration file
*/
virtual void LoadWindowState( const WINDOW_STATE& aState );
/**
* Get the configuration base name.
*
* This is usually the name of the frame set by CTOR, except for frames shown in
* multiple modes in which case the m_configName must be set to the base name so
* that a single configuration can be used.
*
* @return a base name prefix used in Load/Save settings to build the full name of keys
* used in configuration.
*/
wxString ConfigBaseName() override
{
wxString baseCfgName = m_configName.IsEmpty() ? GetName() : m_configName;
return baseCfgName;
}
/**
* Save changes to the project settings to the project (.pro) file.
*
* The method is virtual so you can override it to call the suitable save method.
* The base method does nothing.
*
* @param aAskForSave true to open a dialog before saving the settings.
*/
virtual void SaveProjectSettings() {};
/**
* Prompt the user for a hotkey file to read, and read it.
*
* @param aActionMap current hotkey map (over which the imported hotkeys will be applied).
* @param aDefaultShortname a default short name (extension not needed) like
* Eeschema, KiCad...
*/
void ImportHotkeyConfigFromFile( std::map<std::string, TOOL_ACTION*> aActionMap,
const wxString& aDefaultShortname );
/**
* Fetches the file name from the file history list.
*
* This removes the selected file, if this file does not exist. The menu is also updated,
* if #FILE_HISTORY::UseMenu was called at initialization time.
*
* @param cmdId The command ID associated with the \a aFileHistory object.
* @param type Please document me!
* @param aFileHistory The FILE_HISTORY in use. If null, the main application file
* history is used
* @return a wxString containing the selected filename
*/
wxString GetFileFromHistory( int cmdId, const wxString& type,
FILE_HISTORY* aFileHistory = nullptr );
/**
* Removes all files from the file history.
*
* @param aFileHistory The FILE_HISTORY in use. If null, the main application file
* history is used
*/
void ClearFileHistory( FILE_HISTORY* aFileHistory = nullptr );
/**
* Update the list of recently opened files.
*
* The menu is also updated, if FILE_HISTORY::UseMenu was called at init time.
*
* @param FullFileName The full file name including the path.
* @param aFileHistory The FILE_HISTORY in use. If NULL, the main application file
* history is used.
*/
void UpdateFileHistory( const wxString& FullFileName, FILE_HISTORY* aFileHistory = nullptr );
/**
* Get the frame's main file history.
*
* @return the main file history
*/
FILE_HISTORY& GetFileHistory()
{
return *m_fileHistory;
}
void SetMruPath( const wxString& aPath ) { m_mruPath = aPath; }
wxString GetMruPath() const { return m_mruPath; }
/**
* Get the full filename + path of the currently opened file in the frame.
*
* If no file is open, an empty string is returned.
*
* @return the filename and full path to the open file
*/
virtual wxString GetCurrentFileName() const { return wxEmptyString; }
/**
* Recreates the menu bar.
*
* Needed when the language or icons are changed
*/
virtual void ReCreateMenuBar();
/**
* Adds the standard KiCad help menu to the menubar.
*/
void AddStandardHelpMenu( wxMenuBar* aMenuBar );
/**
* Checks if \a aFileName can be written.
*
* The function performs a number of tests on \a aFileName to verify that it can be saved.
* If \a aFileName defines a path with no file name, them the path is tested for user write
* permission. If \a aFileName defines a file name that does not exist in the path, the
* path is tested for user write permission. If \a aFileName defines a file that already
* exits, the file name is tested for user write permissions.
*>
* @note The file name path must be set or an assertion will be raised on debug builds and
* return false on release builds.
* @param aFileName The full path and/or file name of the file to test.
* @return False if \a aFileName cannot be written.
*/
bool IsWritable( const wxFileName& aFileName );
/**
* Check if an auto save file exists for \a aFileName and takes the appropriate action
* depending on the user input.
*
* If an auto save file exists for \a aFileName, the user is prompted if they wish to
* replace file \a aFileName with the auto saved file. If the user chooses to replace the
* file, the backup file of \a aFileName is removed, \a aFileName is renamed to the backup
* file name, and the auto save file is renamed to \a aFileName. If user chooses to keep
* the existing version of \a aFileName, the auto save file is removed.
*
* @param aFileName A wxFileName object containing the file name to check.
*/
void CheckForAutoSaveFile( const wxFileName& aFileName );
/**
* Update the status bar information.
*
* The status bar can draw itself. This is not a drawing function per se, but rather
* updates lines of text held by the components within the status bar which is owned
* by the wxFrame.
*/
virtual void UpdateStatusBar() { }
/**
* Redraw the menus and what not in current language.
*/
virtual void ShowChangedLanguage();
/**
* Notification event that some of the common (suite-wide) settings have changed.
* Update menus, toolbars, local variables, etc.
*/
void CommonSettingsChanged( bool aEnvVarsChanged, bool aTextVarsChanged ) override;
/**
* Process light/dark theme change.
*/
virtual void ThemeChanged();
/**
* Notification event that the project has changed.
*/
virtual void ProjectChanged() {}
const wxString& GetAboutTitle() const { return m_aboutTitle; }
/**
* Get if the contents of the frame have been modified since the last save.
*
* @return true if the contents of the frame have not been saved
*/
virtual bool IsContentModified();
/**
* Get the undecorated window size that can be used for restoring the window size.
*
* This is needed for GTK, since the normal wxWidgets GetSize() call will return
* a window size that includes the window decorations added by the window manager.
*
* @return the undecorated window size
*/
wxSize GetWindowSize();
/**
* Remove the \a aItemCount of old commands from \a aList and delete commands, pickers
* and picked items if needed.
*
* Because picked items must be deleted only if they are not in use, this is a virtual
* pure function that must be created for #SCH_SCREEN and #PCB_SCREEN. Commands are
* deleted from the older to the last.
*
* @param aList = the #UNDO_REDO_CONTAINER of commands.
* @param aItemCount number of old commands to delete. -1 to remove all old commands
* this will empty the list of commands.
*/
enum UNDO_REDO_LIST { UNDO_LIST, REDO_LIST };
virtual void ClearUndoORRedoList( UNDO_REDO_LIST aList, int aItemCount = -1 )
{ }
/**
* Clear the undo and redo list using #ClearUndoORRedoList()
*
* Picked items are deleted by ClearUndoORRedoList() according to their status.
*/
virtual void ClearUndoRedoList();
/**
* Add a command to undo in the undo list.
*
* Delete the very old commands when the max count of undo commands is reached.
*/
virtual void PushCommandToUndoList( PICKED_ITEMS_LIST* aItem );
/**
* Add a command to redo in the redo list.
*
* Delete the very old commands when the max count of redo commands is reached.
*/
virtual void PushCommandToRedoList( PICKED_ITEMS_LIST* aItem );
/**
* Return the last command to undo and remove it from list, nothing is deleted.
*/
virtual PICKED_ITEMS_LIST* PopCommandFromUndoList();
/**
* Return the last command to undo and remove it from list, nothing is deleted.
*/
virtual PICKED_ITEMS_LIST* PopCommandFromRedoList();
virtual int GetUndoCommandCount() const { return m_undoList.m_CommandsList.size(); }
virtual int GetRedoCommandCount() const { return m_redoList.m_CommandsList.size(); }
int GetMaxUndoItems() const { return m_undoRedoCountMax; }
bool NonUserClose( bool aForce )
{
m_isNonUserClose = true;
return Close( aForce );
}
/**
* Update the UI in response to a change in the system colors.
*/
virtual void HandleSystemColorChange();
protected:
///< Default style flags used for wxAUI toolbars.
static constexpr int KICAD_AUI_TB_STYLE = wxAUI_TB_DEFAULT_STYLE | wxAUI_TB_PLAIN_BACKGROUND;
/**
* @return the string to prepend to a file name for automatic save.
*/
static wxString GetAutoSaveFilePrefix()
{
return wxT( "_autosave-" );
}
/**
* Handle the auto save timer event.
*/
void onAutoSaveTimer( wxTimerEvent& aEvent );
/**
* Return the auto save status of the application.
*
* Override this function if your derived frame supports automatic file saving.
*/
virtual bool isAutoSaveRequired() const { return false; }
/**
* This should be overridden by the derived class to handle the auto save feature.
*
* @return true if the auto save was successful otherwise false.
*/
virtual bool doAutoSave();
virtual bool canCloseWindow( wxCloseEvent& aCloseEvent ) { return true; }
virtual void doCloseWindow() { }
void onSystemColorChange( wxSysColourChangedEvent& aEvent );
/**
* Called when when the units setting has changed to allow for any derived classes
* to handle refreshing and controls that have units based measurements in them.
*
* The default version only updates the status bar. Don't forget to call the default
* in your derived class or the status bar will not get updated properly.
*/
virtual void unitsChangeRefresh() { }
/**
* Setup the UI conditions for the various actions and their controls in this frame.
*/
virtual void setupUIConditions();
/**
* Sets the common key-pair for exiting the application (Ctrl-Q) and ties it
* to the wxID_EXIT event id.
*
* This is useful in sub-applications to pass the event up to a non-owning window.
*/
void initExitKey();
DECLARE_EVENT_TABLE()
private:
/**
* (with its unexpected name so it does not collide with the real OnWindowClose()
* function provided in derived classes) is called just before a window
* closing, and is used to call a derivation specific SaveSettings().
*
* #SaveSettings() is called for all derived wxFrames in this base class overload.
* Calling it from a destructor is deprecated since the wxFrame's position is not
* available in the destructor on linux. In other words, you should not need to
* call #SaveSettings() anywhere, except in this one function found only in this class.
*/
void windowClosing( wxCloseEvent& event );
wxWindow* findQuasiModalDialog();
/**
* Return true if the frame is shown in our modal mode and false if the frame is
* shown as an usual frame.
*
* In modal mode, the caller that created the frame is responsible to Destroy()
* this frame after closing.
*/
virtual bool IsModal() const { return false; }
protected:
FRAME_T m_ident; // Id Type (pcb, schematic, library..)
wxPoint m_framePos;
wxSize m_frameSize;
bool m_maximizeByDefault;
// These contain the frame size and position for when it is not maximized
wxPoint m_normalFramePos;
wxSize m_normalFrameSize;
wxString m_aboutTitle; // Name of program displayed in About.
wxAuiManager m_auimgr;
wxString m_perspective; // wxAuiManager perspective.
WX_INFOBAR* m_infoBar; // Infobar for the frame
wxString m_configName; // Prefix used to identify some params (frame size...)
// and to name some config files (legacy hotkey files)
SETTINGS_MANAGER* m_settingsManager;
FILE_HISTORY* m_fileHistory; // The frame's recently opened file list
bool m_hasAutoSave;
bool m_autoSaveState;
int m_autoSaveInterval; // The auto save interval time in seconds.
wxTimer* m_autoSaveTimer;
int m_undoRedoCountMax; // undo/Redo command Max depth
UNDO_REDO_CONTAINER m_undoList; // Objects list for the undo command (old data)
UNDO_REDO_CONTAINER m_redoList; // Objects list for the redo command (old data)
wxString m_mruPath; // Most recently used path.
EDA_UNITS m_userUnits;
///< Map containing the UI update handlers registered with wx for each action.
std::map<int, UIUpdateHandler> m_uiUpdateMap;
///< Set by the close window event handler after frames are asked if they can close.
///< Allows other functions when called to know our state is cleanup.
bool m_isClosing;
///< Set by #NonUserClose() to indicate that the user did not request the current close.
bool m_isNonUserClose;
};
/**
* Specialization of the wxAuiPaneInfo class for KiCad panels.
*
* Documentation for wxAui is poor at this time. The following notes spring from errors made in
* previous KiCad implementations:
*
* wxAuiPaneInfo.ToolbarPane() and .Defaults() are used to clear and then prepare the objects so
* only use them once at the beginning of configuration..
*
* Panels are organized in layers, from 0 (close to the center) and increasing outward. Note
* that for ToolbarPanes, layer 0 considered a special default value, and ToolbarPanes on
* layer 0 are pushed to layer 10 automatically. Use Layer 1 for the inner layer as a work-
* around.
*
* Each panel has rows, starting at 0. Each row has positions starting at 0. Each item in a panel
* can have it's row and position set.
*
* Eventually panels will be movable. Each initialization function sets up the panel for this,
* then after a //==// break has additional calls to anchor toolbars in a way that matches
* present functionality.
*/
class EDA_PANE : public wxAuiPaneInfo
{
public:
EDA_PANE()
{
Gripper( false );
CloseButton( false );
PaneBorder( false );
}
/**
* Turn *this to a horizontal toolbar for KiCad.
*/
EDA_PANE& HToolbar()
{
SetFlag( optionToolbar, true );
CaptionVisible( false );
TopDockable().BottomDockable();
DockFixed( true );
Movable( false );
Resizable( true ); // expand to fit available space
return *this;
}
/**
* Turn *this into a vertical toolbar for KiCad.
*/
EDA_PANE& VToolbar()
{
SetFlag( optionToolbar, true );
CaptionVisible( false );
LeftDockable().RightDockable();
DockFixed( true );
Movable( false );
Resizable( true ); // expand to fit available space
return *this;
}
/**
* Turn *this into a captioned palette suitable for a symbol tree, layers manager, etc.
*/
EDA_PANE& Palette()
{
CaptionVisible( true );
PaneBorder( true );
return *this;
}
/**
* Turn *this into an undecorated pane suitable for a drawing canvas.
*/
EDA_PANE& Canvas()
{
CaptionVisible( false );
Layer( 0 );
PaneBorder( true );
Resizable( true ); // expand to fit available space
return *this;
}
/**
* Turn *this into a messages pane for KiCad.
*/
EDA_PANE& Messages()
{
CaptionVisible( false );
BottomDockable( true );
DockFixed( true );
Movable( false );
Resizable( true ); // expand to fit available space
return *this;
}
/**
* Turn *this into a infobar for KiCad.
*/
EDA_PANE& InfoBar()
{
CaptionVisible( false );
Movable( false );
Resizable( true );
PaneBorder( false );
DockFixed( true );
return *this;
}
};
#endif // EDA_BASE_FRAME_H_