/* * This program source code file is part of KiCad, a free EDA CAD application. * * Copyright (C) 2015 CERN * @author Maciej Suminski * * 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 CONDITIONAL_MENU_H #define CONDITIONAL_MENU_H #include #include #include #include class SELECTION_TOOL; class TOOL_ACTION; class TOOL_INTERACTIVE; class CONDITIONAL_MENU : public ACTION_MENU { public: ///> Constant to indicate that we do not care about an ENTRY location in the menu. static const int ANY_ORDER = -1; CONDITIONAL_MENU( bool isContextMenu, TOOL_INTERACTIVE* aTool ); ACTION_MENU* create() const override; /** * Function AddItem() * * Adds a menu entry to run a TOOL_ACTION on selected items. * @param aAction is a menu entry to be added. * @param aCondition is a condition that has to be fulfilled to enable the menu entry. * @param aOrder determines location of the added item, higher numbers are put on the bottom. * You may use ANY_ORDER here if you think it does not matter. */ void AddItem( const TOOL_ACTION& aAction, const SELECTION_CONDITION& aCondition, int aOrder = ANY_ORDER ); void AddItem( int aId, const wxString& aText, const wxString& aTooltip, BITMAP_DEF aIcon, const SELECTION_CONDITION& aCondition, int aOrder = ANY_ORDER ); /** * Function AddCheckItem() * * Adds a checked menu entry to run a TOOL_ACTION on selected items. * @param aAction is a menu entry to be added. * @param aCondition is a condition that has to be fulfilled to check the menu entry. * @param aOrder determines location of the added item, higher numbers are put on the bottom. * You may use ANY_ORDER here if you think it does not matter. */ void AddCheckItem( const TOOL_ACTION& aAction, const SELECTION_CONDITION& aCondition, int aOrder = ANY_ORDER ); void AddCheckItem( int aId, const wxString& aText, const wxString& aTooltip, BITMAP_DEF aIcon, const SELECTION_CONDITION& aCondition, int aOrder = ANY_ORDER ); /** * Function AddMenu() * * Adds a submenu to the menu. CONDITIONAL_MENU takes ownership of the added menu, so it will * be freed when the CONDITIONAL_MENU object is destroyed. * @param aMenu is the submenu to be added. * @param aExpand determines if the added submenu items should be added as individual items * or as a submenu. * @param aCondition is a condition that has to be fulfilled to enable the submenu entry. * @param aOrder determines location of the added menu, higher numbers are put on the bottom. * You may use ANY_ORDER here if you think it does not matter. */ void AddMenu( ACTION_MENU* aMenu, const SELECTION_CONDITION& aCondition = SELECTION_CONDITIONS::ShowAlways, int aOrder = ANY_ORDER ); /** * Function AddSeparator() * * Adds a separator to the menu. * @param aCondition is a condition that has to be fulfilled to enable the submenu entry. * @param aOrder determines location of the added menu, higher numbers are put on the bottom. * You may use ANY_ORDER here if you think it does not matter. */ void AddSeparator( const SELECTION_CONDITION& aCondition = SELECTION_CONDITIONS::ShowAlways, int aOrder = ANY_ORDER ); /** * Function Evaluate() * * Updates the contents of the menu based on the supplied conditions. */ void Evaluate( SELECTION& aSelection ); /** * Function Resolve() * * Updates the initial contents so that wxWidgets doesn't get its knickers tied in a knot * over the menu being empty (mainly an issue on GTK, but also on OSX with the preferences * and quit menu items). */ void Resolve(); private: ///> Helper class to organize menu entries. class ENTRY { public: ENTRY( const TOOL_ACTION* aAction, SELECTION_CONDITION aCondition, int aOrder, bool aCheckmark ) : m_type( ACTION ), m_icon(nullptr), m_condition( aCondition ), m_order( aOrder ), m_isCheckmarkEntry( aCheckmark ) { m_data.action = aAction; } ENTRY( ACTION_MENU* aMenu, SELECTION_CONDITION aCondition, int aOrder ) : m_type( MENU ), m_icon(nullptr), m_condition( aCondition ), m_order( aOrder ), m_isCheckmarkEntry( false ) { m_data.menu = aMenu; } ENTRY( wxMenuItem* aItem, const BITMAP_OPAQUE* aWxMenuBitmap, SELECTION_CONDITION aCondition, int aOrder, bool aCheckmark ) : m_type( WXITEM ), m_icon( aWxMenuBitmap ), m_condition( aCondition ), m_order( aOrder ), m_isCheckmarkEntry( aCheckmark ) { m_data.wxItem = aItem; } // Separator ENTRY( SELECTION_CONDITION aCondition, int aOrder ) : m_type( SEPARATOR ), m_icon(nullptr), m_condition( aCondition ), m_order( aOrder ), m_isCheckmarkEntry( false ) { } ///> Possible entry types. enum ENTRY_TYPE { ACTION, MENU, WXITEM, SEPARATOR }; inline ENTRY_TYPE Type() const { return m_type; } inline const BITMAP_OPAQUE* GetIcon() const { return m_icon; } inline const TOOL_ACTION* Action() const { assert( m_type == ACTION ); return m_data.action; } inline ACTION_MENU* Menu() const { assert( m_type == MENU ); return m_data.menu; } inline wxMenuItem* wxItem() const { assert( m_type == WXITEM ); return m_data.wxItem; } inline bool IsCheckmarkEntry() const { return m_isCheckmarkEntry; } inline const SELECTION_CONDITION& Condition() const { return m_condition; } inline int Order() const { return m_order; } inline void SetOrder( int aOrder ) { m_order = aOrder; } private: ENTRY_TYPE m_type; const BITMAP_OPAQUE* m_icon; union { const TOOL_ACTION* action; ACTION_MENU* menu; wxMenuItem* wxItem; } m_data; ///> Condition to be fulfilled to show the entry in menu. SELECTION_CONDITION m_condition; ///> Order number, the higher the number the lower position it takes it is in the menu. int m_order; bool m_isCheckmarkEntry; }; ///> Inserts the entry, preserving the requested order. void addEntry( ENTRY aEntry ); ///> Context menus include only items that resolve to true; ///> Regular menus enable only menu items that resolve to true. bool m_isContextMenu; ///> List of all menu entries. std::list m_entries; }; #endif /* CONDITIONAL_MENU_H */