376 lines
10 KiB
C++
376 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) 2013-2015 CERN
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* Copyright (C) 2020 KiCad Developers, see AUTHORS.txt for contributors.
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*
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* @author Tomasz Wlostowski <tomasz.wlostowski@cern.ch>
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* @author Maciej Suminski <maciej.suminski@cern.ch>
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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 __TOOL_ACTION_H
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#define __TOOL_ACTION_H
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#include <any>
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#include <string>
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#include <cassert>
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#include <optional>
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#include <wx/string.h>
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class TOOL_EVENT;
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enum class BITMAPS : unsigned int;
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/// Scope of tool actions
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enum TOOL_ACTION_SCOPE
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{
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AS_CONTEXT = 1, ///< Action belongs to a particular tool (i.e. a part of a pop-up menu)
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AS_ACTIVE, ///< All active tools
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AS_GLOBAL ///< Global action (toolbar/main menu event, global shortcut)
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};
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/// Flags for tool actions
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enum TOOL_ACTION_FLAGS
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{
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AF_NONE = 0,
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AF_ACTIVATE = 1, ///< Action activates a tool
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AF_NOTIFY = 2 ///< Action is a notification (it is by default passed to all tools)
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};
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/**
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* Build up the properties of a TOOL_ACTION in an incremental manner that is static-construction
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* safe.
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*/
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class TOOL_ACTION_ARGS
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{
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public:
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TOOL_ACTION_ARGS() = default;
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/**
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* The name of the action, the convention is "app.tool.actionName".
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*
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* This is a required property.
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*/
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TOOL_ACTION_ARGS& Name( std::string aName )
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{
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m_name = aName;
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return *this;
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}
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/**
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* The scope of the action.
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*/
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TOOL_ACTION_ARGS& Scope( TOOL_ACTION_SCOPE aScope )
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{
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m_scope = aScope;
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return *this;
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}
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/**
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* The default hotkey to assign to the action.
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*/
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TOOL_ACTION_ARGS& DefaultHotkey( int aDefaultHotkey )
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{
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m_defaultHotKey = aDefaultHotkey;
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return *this;
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}
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/**
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* The legacy hotkey name from the old system.
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*
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* This property is only needed for existing actions and shouldn't be used in new actions.
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*/
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TOOL_ACTION_ARGS& LegacyHotkeyName( std::string aLegacyName )
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{
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m_legacyName = aLegacyName;
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return *this;
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}
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/**
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*The string to use when displaying the action in a menu.
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*/
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TOOL_ACTION_ARGS& MenuText( wxString aMenuText )
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{
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m_menuText = aMenuText;
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return *this;
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}
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/**
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* The string to use as a tooltip for the action in menus and toolbars.
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*/
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TOOL_ACTION_ARGS& Tooltip( wxString aTooltip )
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{
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m_tooltip = aTooltip;
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return *this;
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}
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/**
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* The bitmap to use as the icon for the action in toolbars and menus.
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*/
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TOOL_ACTION_ARGS& Icon( BITMAPS aIcon )
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{
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m_icon = aIcon;
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return *this;
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}
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/**
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* Flags describing the type of the action.
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*/
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TOOL_ACTION_ARGS& Flags( TOOL_ACTION_FLAGS aFlags )
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{
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m_flags = aFlags;
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return *this;
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}
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/**
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* Custom parameter to pass information to the tool.
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*/
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template<typename T>
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TOOL_ACTION_ARGS& Parameter( T aParam )
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{
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m_param = aParam;
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return *this;
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}
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/**
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* The ID number to use for the action when interacting with any UI elements.
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*/
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TOOL_ACTION_ARGS& UIId( int aUIId )
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{
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m_uiid = aUIId;
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return *this;
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}
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protected:
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// Let the TOOL_ACTION constructor have direct access to the members here
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friend class TOOL_ACTION;
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std::optional<std::string> m_name;
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std::optional<TOOL_ACTION_SCOPE> m_scope;
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std::optional<TOOL_ACTION_FLAGS> m_flags;
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std::optional<int> m_uiid;
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std::optional<int> m_defaultHotKey;
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std::optional<std::string> m_legacyName;
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std::optional<wxString> m_menuText;
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std::optional<wxString> m_tooltip;
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std::optional<BITMAPS> m_icon;
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std::any m_param;
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};
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/**
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* Represent a single user action.
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*
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* For instance:
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* - changing layer to top by pressing PgUp
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* - running the DRC from the menu
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* and so on, and so forth....
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*
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* Action class groups all necessary properties of an action, including explanation,
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* icons, hotkeys, menu items, etc.
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*/
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class TOOL_ACTION
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{
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public:
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TOOL_ACTION( const TOOL_ACTION_ARGS& aArgs );
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TOOL_ACTION( const std::string& aName, TOOL_ACTION_SCOPE aScope = AS_CONTEXT,
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int aDefaultHotKey = 0, const std::string& aLegacyHotKeyName = "",
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const wxString& aMenuText = wxEmptyString,
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const wxString& aTooltip = wxEmptyString,
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BITMAPS aIcon = static_cast<BITMAPS>( 0 ), TOOL_ACTION_FLAGS aFlags = AF_NONE);
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~TOOL_ACTION();
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// TOOL_ACTIONS are singletons; don't be copying them around....
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TOOL_ACTION( const TOOL_ACTION& ) = delete;
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TOOL_ACTION& operator= ( const TOOL_ACTION& ) = delete;
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bool operator==( const TOOL_ACTION& aRhs ) const
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{
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return m_id == aRhs.m_id;
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}
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bool operator!=( const TOOL_ACTION& aRhs ) const
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{
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return m_id != aRhs.m_id;
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}
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/**
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* Return name of the action.
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*
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* It is the same one that is contained in #TOOL_EVENT that is sent by activating the
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* TOOL_ACTION. Convention is "app.tool.actionName".
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*
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* @return Name of the action.
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*/
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const std::string& GetName() const { return m_name; }
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/**
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* Return the default hotkey (if any) for the action.
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*/
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int GetDefaultHotKey() const { return m_defaultHotKey; }
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/**
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* Return the hotkey keycode which initiates the action.
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*/
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int GetHotKey() const { return m_hotKey; }
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void SetHotKey( int aKeycode );
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/**
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* Return the unique id of the TOOL_ACTION object.
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*
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* It is valid only after registering the TOOL_ACTION by #ACTION_MANAGER.
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*
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* @return The unique identification number. If the number is negative, then it is not valid.
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*/
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int GetId() const { return m_id; }
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/**
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* Return true if this action has a custom UI ID set.
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*/
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bool HasCustomUIId() const { return m_uiid.has_value(); }
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/*
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* Get the unique ID for this action in the user interface system.
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*
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* This can be either set to a specific ID during creation or computed
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* by offsetting the action ID by @c ACTION_BASE_UI_ID.
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*
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* @return The unique ID number for use in the user interface system.
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*/
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int GetUIId() const { return m_uiid.value_or( m_id + ACTION_BASE_UI_ID ); }
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/*
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* Get the base value used to offset the user interface IDs for the actions.
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*/
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static int GetBaseUIId() { return ACTION_BASE_UI_ID; }
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/**
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* Return the event associated with the action (i.e. the event that will be sent after
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* activating the action).
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*/
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TOOL_EVENT MakeEvent() const;
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wxString GetLabel() const;
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wxString GetMenuItem() const;
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wxString GetDescription( bool aIncludeHotkey = true ) const;
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TOOL_ACTION_SCOPE GetScope() const { return m_scope; }
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/**
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* Return a non-standard parameter assigned to the action.
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*/
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template<typename T>
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T GetParam() const
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{
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#ifdef WX_COMPATIBILITY
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wxASSERT_MSG( m_param.has_value(), "Attempted to get a parameter from an action with no parameter." );
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#else
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assert( m_param.has_value() );
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#endif
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T param;
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try
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{
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param = std::any_cast<T>( m_param );
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}
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catch( const std::bad_any_cast& e )
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{
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#ifdef WX_COMPATIBILITY
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wxASSERT_MSG( false,
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wxString::Format( "Requested parameter type %s from action with parameter type %s.",
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typeid(T).name(), m_param.type().name() ) );
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#else
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assert( false );
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#endif
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}
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return param;
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}
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/**
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* Return name of the tool associated with the action. It is basically the action name
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* stripped of the last part (e.g. for "pcbnew.InteractiveDrawing.drawCircle" it is
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* "pcbnew.InteractiveDrawing").
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*/
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std::string GetToolName() const;
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/**
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* Return true if the action is intended to activate a tool.
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*/
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bool IsActivation() const
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{
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return m_flags & AF_ACTIVATE;
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}
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/**
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* Return true if the action is a notification.
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*/
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bool IsNotification() const
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{
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return m_flags & AF_NOTIFY;
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}
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/**
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* Return an icon associated with the action.
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*
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* It is used in context menu.
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*/
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BITMAPS GetIcon() const
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{
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return m_icon;
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}
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protected:
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TOOL_ACTION();
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friend class ACTION_MANAGER;
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///< Base ID to use inside the user interface system to offset the action IDs.
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static constexpr int ACTION_BASE_UI_ID = 20000;
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///< Name of the action (convention is "app.tool.actionName")
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std::string m_name;
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TOOL_ACTION_SCOPE m_scope;
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const int m_defaultHotKey; // Default hot key
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int m_hotKey; // The current hotkey (post-user-settings-application)
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const std::string m_legacyName; // Name for reading legacy hotkey settings
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wxString m_label;
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wxString m_tooltip;
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BITMAPS m_icon; // Icon for the menu entry
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int m_id; // Unique ID for maps. Assigned by ACTION_MANAGER.
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std::optional<int> m_uiid; // ID to use when interacting with the UI (if empty, generate one)
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TOOL_ACTION_FLAGS m_flags;
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std::any m_param; // Generic parameter
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};
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#endif
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