kicad/common/tool/context_menu.cpp

287 lines
8.5 KiB
C++

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