287 lines
8.5 KiB
C++
287 lines
8.5 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 CERN
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* @author Tomasz Wlostowski <tomasz.wlostowski@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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#include <tool/tool_event.h>
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#include <tool/tool_manager.h>
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#include <tool/tool_interactive.h>
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#include <tool/context_menu.h>
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#include <boost/bind.hpp>
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#include <cassert>
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CONTEXT_MENU::CONTEXT_MENU() :
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m_titleSet( false ), m_selected( -1 ), m_tool( NULL )
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{
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setCustomEventHandler( boost::bind( &CONTEXT_MENU::handleCustomEvent, this, _1 ) );
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setupEvents();
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}
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CONTEXT_MENU::CONTEXT_MENU( const CONTEXT_MENU& aMenu ) :
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m_titleSet( aMenu.m_titleSet ), m_selected( -1 ), m_tool( aMenu.m_tool ),
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m_toolActions( aMenu.m_toolActions ), m_customHandler( aMenu.m_customHandler )
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{
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// Copy all the menu entries
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for( unsigned i = 0; i < aMenu.GetMenuItemCount(); ++i )
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{
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wxMenuItem* item = aMenu.FindItemByPosition( i );
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if( item->IsSubMenu() )
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{
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#ifdef DEBUG
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// Submenus of a CONTEXT_MENU are supposed to be CONTEXT_MENUs as well
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assert( dynamic_cast<CONTEXT_MENU*>( item->GetSubMenu() ) );
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#endif
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CONTEXT_MENU* menu = new CONTEXT_MENU( static_cast<const CONTEXT_MENU&>( *item->GetSubMenu() ) );
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AppendSubMenu( menu, item->GetItemLabel(), wxEmptyString );
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}
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else
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{
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wxMenuItem* newItem = new wxMenuItem( this, item->GetId(), item->GetItemLabel(),
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wxEmptyString, item->GetKind() );
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Append( newItem );
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copyItem( item, newItem );
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}
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}
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setupEvents();
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}
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CONTEXT_MENU& CONTEXT_MENU::operator=( const CONTEXT_MENU& aMenu )
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{
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Clear();
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m_titleSet = aMenu.m_titleSet;
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m_selected = aMenu.m_selected;
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m_tool = aMenu.m_tool;
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m_toolActions = aMenu.m_toolActions;
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m_customHandler = aMenu.m_customHandler;
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// Copy all the menu entries
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for( unsigned i = 0; i < aMenu.GetMenuItemCount(); ++i )
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{
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wxMenuItem* item = aMenu.FindItemByPosition( i );
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if( item->IsSubMenu() )
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{
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#ifdef DEBUG
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// Submenus of a CONTEXT_MENU are supposed to be CONTEXT_MENUs as well
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assert( dynamic_cast<CONTEXT_MENU*>( item->GetSubMenu() ) );
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#endif
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CONTEXT_MENU* menu = new CONTEXT_MENU( static_cast<const CONTEXT_MENU&>( *item->GetSubMenu() ) );
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AppendSubMenu( menu, item->GetItemLabel(), wxEmptyString );
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}
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else
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{
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wxMenuItem* newItem = new wxMenuItem( this, item->GetId(), item->GetItemLabel(),
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wxEmptyString, item->GetKind() );
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Append( newItem );
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copyItem( item, newItem );
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}
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}
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setupEvents();
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return *this;
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}
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void CONTEXT_MENU::setupEvents()
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{
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Connect( wxEVT_MENU_HIGHLIGHT, wxMenuEventHandler( CONTEXT_MENU::onMenuEvent ), NULL, this );
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Connect( wxEVT_COMMAND_MENU_SELECTED, wxMenuEventHandler( CONTEXT_MENU::onMenuEvent ), NULL, this );
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}
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void CONTEXT_MENU::SetTitle( const wxString& aTitle )
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{
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// TODO handle an empty string (remove title and separator)
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// Unfortunately wxMenu::SetTitle() does nothing.. (at least wxGTK)
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if( m_titleSet )
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{
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FindItemByPosition( 0 )->SetItemLabel( aTitle );
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}
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else
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{
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InsertSeparator( 0 );
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Insert( 0, new wxMenuItem( this, -1, aTitle, wxEmptyString, wxITEM_NORMAL ) );
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m_titleSet = true;
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}
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}
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void CONTEXT_MENU::Add( const wxString& aLabel, int aId )
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{
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#ifdef DEBUG
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if( FindItem( aId ) != NULL )
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wxLogWarning( wxT( "Adding more than one menu entry with the same ID may result in"
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"undefined behaviour" ) );
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#endif
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Append( new wxMenuItem( this, aId, aLabel, wxEmptyString, wxITEM_NORMAL ) );
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}
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void CONTEXT_MENU::Add( const TOOL_ACTION& aAction )
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{
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/// ID numbers for tool actions need to have a value higher than m_actionId
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int id = m_actionId + aAction.GetId();
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wxMenuItem* item = new wxMenuItem( this, id,
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wxString( aAction.GetMenuItem().c_str(), wxConvUTF8 ),
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wxString( aAction.GetDescription().c_str(), wxConvUTF8 ), wxITEM_NORMAL );
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if( aAction.HasHotKey() )
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{
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int key = aAction.GetHotKey() & ~MD_MODIFIER_MASK;
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int mod = aAction.GetHotKey() & MD_MODIFIER_MASK;
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int flags = wxACCEL_NORMAL;
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switch( mod )
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{
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case MD_ALT: flags = wxACCEL_ALT; break;
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case MD_CTRL: flags = wxACCEL_CTRL; break;
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case MD_SHIFT: flags = wxACCEL_SHIFT; break;
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}
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wxAcceleratorEntry accel( flags, key, id, item );
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item->SetAccel( &accel );
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}
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Append( item );
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m_toolActions[id] = &aAction;
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}
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void CONTEXT_MENU::Clear()
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{
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m_titleSet = false;
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GetMenuItems().DeleteContents( true );
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GetMenuItems().Clear();
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m_toolActions.clear();
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GetMenuItems().DeleteContents( false ); // restore the default so destructor does not go wild
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assert( GetMenuItemCount() == 0 );
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}
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void CONTEXT_MENU::onMenuEvent( wxMenuEvent& aEvent )
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{
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OPT_TOOL_EVENT evt;
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wxEventType type = aEvent.GetEventType();
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// When the currently chosen item in the menu is changed, an update event is issued.
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// For example, the selection tool can use this to dynamically highlight the current item
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// from selection clarification popup.
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if( type == wxEVT_MENU_HIGHLIGHT )
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evt = TOOL_EVENT( TC_COMMAND, TA_CONTEXT_MENU_UPDATE, aEvent.GetId() );
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// One of menu entries was selected..
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else if( type == wxEVT_COMMAND_MENU_SELECTED )
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{
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// Store the selected position
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m_selected = aEvent.GetId();
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// Check if there is a TOOL_ACTION for the given ID
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if( m_toolActions.count( aEvent.GetId() ) == 1 )
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{
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evt = m_toolActions[aEvent.GetId()]->MakeEvent();
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}
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else
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{
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// Under Linux, every submenu can have a separate event handler, under
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// Windows all submenus are handled by the main menu.
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#ifdef __WINDOWS__
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if( !evt ) {
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// Try to find the submenu which holds the selected item
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wxMenu*menu = NULL;
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FindItem( m_selected, &menu );
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if( menu )
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{
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menu->ProcessEvent( aEvent );
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return;
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}
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assert( false ); // The event should be handled above
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}
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#else
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evt = m_customHandler( aEvent );
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#endif /* else __WINDOWS__ */
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// Handling non-action menu entries (e.g. items in clarification list)
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if( !evt )
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evt = TOOL_EVENT( TC_COMMAND, TA_CONTEXT_MENU_CHOICE, aEvent.GetId() );
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}
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}
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assert( m_tool ); // without tool & tool manager we cannot handle events
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// forward the action/update event to the TOOL_MANAGER
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if( evt && m_tool )
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m_tool->GetManager()->ProcessEvent( *evt );
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}
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void CONTEXT_MENU::setTool( TOOL_INTERACTIVE* aTool )
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{
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m_tool = aTool;
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for( unsigned i = 0; i < GetMenuItemCount(); ++i )
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{
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wxMenuItem* item = FindItemByPosition( i );
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if( item->IsSubMenu() )
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{
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CONTEXT_MENU* menu = static_cast<CONTEXT_MENU*>( item->GetSubMenu() );
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menu->setTool( aTool );
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}
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}
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}
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void CONTEXT_MENU::copyItem( const wxMenuItem* aSource, wxMenuItem* aDest ) const
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{
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assert( !aSource->IsSubMenu() ); // it does not transfer submenus
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aDest->SetKind( aSource->GetKind() );
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aDest->SetHelp( aSource->GetHelp() );
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aDest->Enable( aSource->IsEnabled() );
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if( aSource->IsCheckable() )
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aDest->Check( aSource->IsChecked() );
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if( aSource->GetKind() == wxITEM_NORMAL )
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aDest->SetBitmap( aSource->GetBitmap() );
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}
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