kicad/common/tool/context_menu.cpp

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2013 CERN
* @author Tomasz Wlostowski <tomasz.wlostowski@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
*/
#include <tool/tool_event.h>
#include <tool/tool_manager.h>
#include <tool/tool_interactive.h>
#include <tool/context_menu.h>
#include <cassert>
CONTEXT_MENU::CONTEXT_MENU() :
m_titleSet( false ), m_handler( this ), m_tool( NULL )
{
m_menu.Connect( wxEVT_MENU_HIGHLIGHT, wxEventHandler( CMEventHandler::onEvent ),
NULL, &m_handler );
m_menu.Connect( wxEVT_COMMAND_MENU_SELECTED, wxEventHandler( CMEventHandler::onEvent ),
NULL, &m_handler );
// Workaround for the case when mouse cursor never reaches menu (it hangs up tools using menu)
wxMenuEvent menuEvent( wxEVT_MENU_HIGHLIGHT, -1, &m_menu );
m_menu.AddPendingEvent( menuEvent );
}
CONTEXT_MENU::CONTEXT_MENU( const CONTEXT_MENU& aMenu ) :
m_titleSet( aMenu.m_titleSet ), m_handler( this ), m_tool( aMenu.m_tool )
{
m_menu.Connect( wxEVT_MENU_HIGHLIGHT, wxEventHandler( CMEventHandler::onEvent ),
NULL, &m_handler );
m_menu.Connect( wxEVT_COMMAND_MENU_SELECTED, wxEventHandler( CMEventHandler::onEvent ),
NULL, &m_handler );
// Workaround for the case when mouse cursor never reaches menu (it hangs up tools using menu)
wxMenuEvent menuEvent( wxEVT_MENU_HIGHLIGHT, -1, &m_menu );
m_menu.AddPendingEvent( menuEvent );
// Copy all the menu entries
for( unsigned i = 0; i < aMenu.m_menu.GetMenuItemCount(); ++i )
{
wxMenuItem* item = aMenu.m_menu.FindItemByPosition( i );
m_menu.Append( new wxMenuItem( &m_menu, item->GetId(), item->GetItemLabel(),
wxEmptyString, wxITEM_NORMAL ) );
}
// Copy tool actions that are available to choose from context menu
m_toolActions = aMenu.m_toolActions;
}
void CONTEXT_MENU::SetTitle( const wxString& aTitle )
{
// TODO handle an empty string (remove title and separator)
// Unfortunately wxMenu::SetTitle() does nothing..
if( m_titleSet )
{
m_menu.FindItemByPosition( 0 )->SetItemLabel( aTitle );
}
else
{
m_menu.InsertSeparator( 0 );
m_menu.Insert( 0, new wxMenuItem( &m_menu, -1, aTitle, wxEmptyString, wxITEM_NORMAL ) );
m_titleSet = true;
}
}
void CONTEXT_MENU::Add( const wxString& aLabel, int aId )
{
#ifdef DEBUG
if( m_menu.FindItem( aId ) != NULL )
wxLogWarning( wxT( "Adding more than one menu entry with the same ID may result in"
"undefined behaviour" ) );
#endif
m_menu.Append( new wxMenuItem( &m_menu, aId, aLabel, wxEmptyString, wxITEM_NORMAL ) );
}
void CONTEXT_MENU::Add( const TOOL_ACTION& aAction )
{
/// ID numbers for tool actions need to have a value higher than m_actionId
int id = m_actionId + aAction.GetId();
wxString menuEntry;
if( aAction.HasHotKey() )
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menuEntry = wxString( ( aAction.GetMenuItem() + '\t' +
getHotKeyDescription( aAction ) ).c_str(), wxConvUTF8 );
else
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menuEntry = wxString( aAction.GetMenuItem().c_str(), wxConvUTF8 );
m_menu.Append( new wxMenuItem( &m_menu, id, menuEntry,
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wxString( aAction.GetDescription().c_str(), wxConvUTF8 ), wxITEM_NORMAL ) );
m_toolActions[id] = &aAction;
}
void CONTEXT_MENU::Clear()
{
m_titleSet = false;
// Remove all the entries from context menu
for( unsigned i = 0; i < m_menu.GetMenuItemCount(); ++i )
m_menu.Destroy( m_menu.FindItemByPosition( 0 ) );
m_toolActions.clear();
}
std::string CONTEXT_MENU::getHotKeyDescription( const TOOL_ACTION& aAction ) const
{
int hotkey = aAction.GetHotKey();
std::string description = "";
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if( hotkey & MD_ALT )
description += "ALT+";
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if( hotkey & MD_CTRL )
description += "CTRL+";
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if( hotkey & MD_SHIFT )
description += "SHIFT+";
// TODO dispatch keys such as Fx, TAB, PG_UP/DN, HOME, END, etc.
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description += char( hotkey & ~MD_MODIFIER_MASK );
return description;
}
void CONTEXT_MENU::CMEventHandler::onEvent( wxEvent& aEvent )
{
TOOL_EVENT evt;
wxEventType type = aEvent.GetEventType();
// When the currently chosen item in the menu is changed, an update event is issued.
// For example, the selection tool can use this to dynamically highlight the current item
// from selection clarification popup.
if( type == wxEVT_MENU_HIGHLIGHT )
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evt = TOOL_EVENT( TC_COMMAND, TA_CONTEXT_MENU_UPDATE, aEvent.GetId() );
// One of menu entries was selected..
else if( type == wxEVT_COMMAND_MENU_SELECTED )
{
// Check if there is a TOOL_ACTION for the given ID
if( m_menu->m_toolActions.count( aEvent.GetId() ) == 1 )
{
evt = m_menu->m_toolActions[aEvent.GetId()]->MakeEvent();
}
else
{
// Handling non-action menu entries (e.g. items in clarification list)
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evt = TOOL_EVENT( TC_COMMAND, TA_CONTEXT_MENU_CHOICE, aEvent.GetId() );
}
}
// forward the action/update event to the TOOL_MANAGER
if( m_menu->m_tool )
m_menu->m_tool->GetManager()->ProcessEvent( evt );
}