kicad/include/tool/action_menu.h

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2013-2017 CERN
* @author Tomasz Wlostowski <tomasz.wlostowski@cern.ch>
* @author Maciej Suminski <maciej.suminski@cern.ch>
*
* 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 __CONTEXT_MENU_H
#define __CONTEXT_MENU_H
#include <map>
#include <list>
#include <functional>
#include <wx/menu.h>
#include <tool/tool_action.h>
class TOOL_INTERACTIVE;
/**
* Class ACTION_MENU
*
* Defines the structure of a menu based on ACTIONs.
*/
class ACTION_MENU : public wxMenu
{
public:
///> Default constructor
ACTION_MENU();
virtual ~ACTION_MENU();
ACTION_MENU( const ACTION_MENU& aMenu ) = delete;
ACTION_MENU& operator=( const ACTION_MENU& aMenu ) = delete;
/**
* Function SetTitle()
* Sets title for the menu. The title is shown as a text label shown on the top of
* the menu.
* @param aTitle is the new title.
*/
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void SetTitle( const wxString& aTitle ) override;
/**
* Function DisplayTitle()
* Decides whether a title for a pop up menu should be displayed.
*/
void DisplayTitle( bool aDisplay = true );
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/**
* Function SetIcon()
* Assigns an icon for the entry.
* @param aIcon is the icon to be assigned. NULL is used to remove icon.
*/
void SetIcon( const BITMAP_OPAQUE* aIcon );
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/**
* Function Add()
* Adds a wxWidgets-style entry to the menu. After highlighting/selecting the entry,
* a wxWidgets event is generated.
*/
wxMenuItem* Add( const wxString& aLabel, int aId, const BITMAP_OPAQUE* aIcon );
wxMenuItem* Add( const wxString& aLabel, const wxString& aToolTip, int aId,
const BITMAP_OPAQUE* aIcon );
/**
* Function Add()
* Adds an entry to the menu, basing on the TOOL_ACTION object. After selecting the entry,
* a TOOL_EVENT command containing name of the action is sent.
* @param aAction is the action to be added to menu entry.
*/
wxMenuItem* Add( const TOOL_ACTION& aAction, bool aIsCheckmarkEntry = false );
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/**
* Function Add()
* Adds an action menu as a submenu. The difference between this function and
* wxMenu::AppendSubMenu() is the capability to handle icons.
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* @param aMenu is the submenu to be added.
*/
wxMenuItem* Add( ACTION_MENU* aMenu );
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/**
* Function Clear()
* Removes all the entries from the menu (as well as its title). It leaves the menu in the
* initial state.
*/
void Clear();
/**
* Function HasEnabledItems();
*
* Returns true if the menu has any enabled items
*/
bool HasEnabledItems() const;
/**
* Function GetSelected()
* Returns the position of selected item. If the returned value is negative, that means that
* menu was dismissed.
* @return The position of selected item in the action menu.
*/
inline int GetSelected() const
{
return m_selected;
}
/**
* Function UpdateAll()
* Runs update handlers for the menu and its submenus.
*/
void UpdateAll();
/**
* Function ClearDirty()
* Clears the dirty flag on the menu and all descendants.
*/
void ClearDirty();
void SetDirty();
/**
* Function SetTool()
* Sets a tool that is the creator of the menu.
* @param aTool is the tool that created the menu.
*/
void SetTool( TOOL_INTERACTIVE* aTool );
/**
* Creates a deep, recursive copy of this ACTION_MENU.
*/
ACTION_MENU* Clone() const;
///> The default menu event handler.
void OnMenuEvent( wxMenuEvent& aEvent );
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protected:
///> Returns an instance of this class. It has to be overridden in inheriting classes.
virtual ACTION_MENU* create() const;
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///> Returns an instance of TOOL_MANAGER class.
TOOL_MANAGER* getToolManager() const;
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///> Returns the corresponding wxMenuItem identifier for a TOOL_ACTION object.
static inline int getMenuId( const TOOL_ACTION& aAction )
{
return aAction.GetId() + ACTION_ID;
}
/**
* Update menu state stub. It is called before a menu is shown, in order to update its state.
* Here you can tick current settings, enable/disable entries, etc.
*/
virtual void update()
{
}
/**
* Event handler stub. It should be used if you want to generate a TOOL_EVENT from a wxMenuEvent.
* It will be called when a menu entry is clicked.
*/
virtual OPT_TOOL_EVENT eventHandler( const wxMenuEvent& )
{
return OPT_TOOL_EVENT();
}
/**
* Copies another menus data to this instance. Old entries are preserved, and ones form aMenu
* are copied.
*/
void copyFrom( const ACTION_MENU& aMenu );
protected:
/**
* Function appendCopy
* Appends a copy of wxMenuItem.
*/
wxMenuItem* appendCopy( const wxMenuItem* aSource );
///> Initializes handlers for events.
void setupEvents();
///> Updates hot key settings for TOOL_ACTIONs in this menu.
void updateHotKeys();
///> Traverses the submenus tree looking for a submenu capable of handling a particular menu
///> event. In case it is handled, it is returned the aToolEvent parameter.
void runEventHandlers( const wxMenuEvent& aMenuEvent, OPT_TOOL_EVENT& aToolEvent );
///> Runs a function on the menu and all its submenus.
void runOnSubmenus( std::function<void(ACTION_MENU*)> aFunction );
///> Checks if any of submenus contains a TOOL_ACTION with a specific ID.
OPT_TOOL_EVENT findToolAction( int aId );
///> Menu requires updating before display.
bool m_dirty;
///> Flag indicating that the menu title was set up.
bool m_titleDisplayed;
///> Menu title
wxString m_title;
///> Stores the id number of selected item.
int m_selected;
///> Creator of the menu
TOOL_INTERACTIVE* m_tool;
///> Menu items with ID higher than that are considered TOOL_ACTIONs
static const int ACTION_ID = 20000;
///> Associates tool actions with menu item IDs. Non-owning.
std::map<int, const TOOL_ACTION*> m_toolActions;
///> List of submenus.
std::list<ACTION_MENU*> m_submenus;
///> Optional icon
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const BITMAP_OPAQUE* m_icon;
friend class TOOL_INTERACTIVE;
};
#endif