kicad/common/tool/conditional_menu.cpp

252 lines
7.5 KiB
C++

/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2015-2019 CERN
* Copyright (C) 2015-2019 KiCad Developers, see CHANGELOG.txt for contributors.
* @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
*/
#include <bitmaps.h>
#include <tool/conditional_menu.h>
#include <tool/action_menu.h>
#include <menus_helpers.h>
#include <kiface_base.h>
CONDITIONAL_MENU::CONDITIONAL_MENU( TOOL_INTERACTIVE* aTool ) :
ACTION_MENU( true, aTool )
{
}
ACTION_MENU* CONDITIONAL_MENU::create() const
{
CONDITIONAL_MENU* clone = new CONDITIONAL_MENU( m_tool );
clone->m_entries = m_entries;
return clone;
}
void CONDITIONAL_MENU::AddItem( const TOOL_ACTION& aAction, const SELECTION_CONDITION& aCondition,
int aOrder )
{
wxASSERT( aAction.GetId() > 0 ); // Check if action was previously registered in ACTION_MANAGER
addEntry( ENTRY( &aAction, aCondition, aOrder, false ) );
}
void CONDITIONAL_MENU::AddCheckItem( const TOOL_ACTION& aAction,
const SELECTION_CONDITION& aCondition, int aOrder )
{
wxASSERT( aAction.GetId() > 0 ); // Check if action was previously registered in ACTION_MANAGER
addEntry( ENTRY( &aAction, aCondition, aOrder, true ) );
}
void CONDITIONAL_MENU::AddItem( int aId, const wxString& aText, const wxString& aTooltip,
BITMAPS aIcon, const SELECTION_CONDITION& aCondition,
int aOrder )
{
wxMenuItem item( nullptr, aId, aText, aTooltip, wxITEM_NORMAL );
if( !!aIcon )
AddBitmapToMenuItem( &item, KiBitmap( aIcon ) );
addEntry( ENTRY( item, aIcon, aCondition, aOrder, false ) );
}
void CONDITIONAL_MENU::AddCheckItem( int aId, const wxString& aText, const wxString& aTooltip,
BITMAPS aIcon, const SELECTION_CONDITION& aCondition,
int aOrder )
{
wxMenuItem item( nullptr, aId, aText, aTooltip, wxITEM_CHECK );
if( !!aIcon )
AddBitmapToMenuItem( &item, KiBitmap( aIcon ) );
addEntry( ENTRY( item, aIcon, aCondition, aOrder, true ) );
}
void CONDITIONAL_MENU::AddMenu( ACTION_MENU* aMenu, const SELECTION_CONDITION& aCondition,
int aOrder )
{
addEntry( ENTRY( aMenu, aCondition, aOrder ) );
}
void CONDITIONAL_MENU::AddSeparator( int aOrder )
{
addEntry( ENTRY( SELECTION_CONDITIONS::ShowAlways, aOrder ) );
}
SELECTION g_resolveDummySelection;
void CONDITIONAL_MENU::Resolve()
{
Evaluate( g_resolveDummySelection );
UpdateAll();
runOnSubmenus(
[] ( ACTION_MENU* aMenu )
{
CONDITIONAL_MENU* conditionalMenu = dynamic_cast<CONDITIONAL_MENU*>( aMenu );
if( conditionalMenu )
conditionalMenu->Resolve();
} );
}
void CONDITIONAL_MENU::Evaluate( SELECTION& aSelection )
{
Clear();
// We try to avoid adding useless separators (when no menuitems between separators)
int menu_count = 0; // number of menus since the latest separator
for( const ENTRY& entry : m_entries )
{
const SELECTION_CONDITION& cond = entry.Condition();
bool result;
wxMenuItem* menuItem = nullptr;
try
{
result = cond( aSelection );
}
catch( std::exception& )
{
continue;
}
if( !result )
continue;
switch( entry.Type() )
{
case ENTRY::ACTION:
Add( *entry.Action(), entry.IsCheckmarkEntry() );
menu_count++;
break;
case ENTRY::MENU:
entry.Menu()->UpdateTitle();
Add( entry.Menu()->Clone() );
menu_count++;
break;
case ENTRY::WXITEM:
menuItem = new wxMenuItem( this,
entry.wxItem()->GetId(),
wxGetTranslation( entry.wxItem()->GetItemLabel() ),
wxGetTranslation( entry.wxItem()->GetHelp() ),
entry.wxItem()->GetKind() );
if( !!entry.GetIcon() )
AddBitmapToMenuItem( menuItem, KiBitmap( entry.GetIcon() ) );
// the wxMenuItem must be append only after the bitmap is set:
Append( menuItem );
menu_count++;
break;
case ENTRY::SEPARATOR:
if( menu_count )
AppendSeparator();
menu_count = 0;
break;
default:
wxASSERT( false );
break;
}
}
// Recursively call Evaluate on all the submenus that are CONDITIONAL_MENUs to ensure
// they are updated. This is also required on GTK to make sure the menus have the proper
// size when created.
runOnSubmenus(
[&aSelection]( ACTION_MENU* aMenu )
{
CONDITIONAL_MENU* conditionalMenu = dynamic_cast<CONDITIONAL_MENU*>( aMenu );
if( conditionalMenu )
conditionalMenu->Evaluate( aSelection );
} );
}
void CONDITIONAL_MENU::addEntry( ENTRY aEntry )
{
if( aEntry.Order() < 0 ) // Any order, so give it any order number
aEntry.SetOrder( m_entries.size() );
std::list<ENTRY>::iterator it = m_entries.begin();
// Find the right spot for the entry
while( it != m_entries.end() && it->Order() <= aEntry.Order() )
++it;
m_entries.insert( it, aEntry );
}
CONDITIONAL_MENU::ENTRY::ENTRY( const ENTRY& aEntry )
{
m_type = aEntry.m_type;
m_icon = aEntry.m_icon;
switch( aEntry.m_type )
{
case ACTION:
m_data.action = aEntry.m_data.action;
break;
case MENU:
m_data.menu = aEntry.m_data.menu;
break;
case WXITEM:
// We own the wxItem, so we need to make a new one for the new object
m_data.wxItem = new wxMenuItem( nullptr,
aEntry.m_data.wxItem->GetId(),
aEntry.m_data.wxItem->GetItemLabel(),
aEntry.m_data.wxItem->GetHelp(),
aEntry.m_data.wxItem->GetKind() );
break;
case SEPARATOR:
break; //No data to copy
}
m_condition = aEntry.m_condition;
m_order = aEntry.m_order;
m_isCheckmarkEntry = aEntry.m_isCheckmarkEntry;
}
CONDITIONAL_MENU::ENTRY::~ENTRY()
{
if( WXITEM == m_type )
delete m_data.wxItem;
}