action_manager.cpp

Go to the documentation of this file.

/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2013 CERN
 * Copyright (C) 2019-2021 KiCad Developers, see AUTHORS.txt for contributors.
 * @author Maciej Suminski <[email protected]>
 *
 * 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 <eda_draw_frame.h>
#include <tool/action_manager.h>
#include <tool/tool_action.h>
#include <tool/tool_manager.h>
#include <trace_helpers.h>
#include <wx/log.h>
 
#include <hotkeys_basic.h>
#include <cctype>
 
ACTION_MANAGER::ACTION_MANAGER( TOOL_MANAGER* aToolManager ) :
 m_toolMgr( aToolManager )
{
 // Register known actions
 std::list<TOOL_ACTION*>& actionList = GetActionList();
 
 for( TOOL_ACTION* action : actionList )
 {
 if( action->m_id == -1 )
 action->m_id = MakeActionId( action->m_name );
 
 RegisterAction( action );
 }
}
 
 
ACTION_MANAGER::~ACTION_MANAGER()
{
}
 
 
void ACTION_MANAGER::RegisterAction( TOOL_ACTION* aAction )
{
 // TOOL_ACTIONs are supposed to be named [appName.]toolName.actionName (with dots between)
 // action name without specifying at least toolName is not valid
 wxASSERT( aAction->GetName().find( '.', 0 ) != std::string::npos );
 
 // TOOL_ACTIONs must have unique names & ids
 wxASSERT( m_actionNameIndex.find( aAction->m_name ) == m_actionNameIndex.end() );
 
 m_actionNameIndex[aAction->m_name] = aAction;
}
 
 
void ACTION_MANAGER::SetConditions( const TOOL_ACTION& aAction,
 const ACTION_CONDITIONS& aConditions )
{
 // Remove any existing handlers with the old conditions to ensure the UI layer doesn't have
 // stale data.
 if( m_toolMgr )
 m_toolMgr->GetToolHolder()->UnregisterUIUpdateHandler( aAction );
 
 m_uiConditions[aAction.GetId()] = aConditions;
 
 wxLogTrace( kicadTraceToolStack,
 wxS( "ACTION_MANAGER::SetConditions: Registering conditions for ID %d - %s" ),
 aAction.GetId(), aAction.GetName() );
 
 // Register a new handler with the new conditions
 if( m_toolMgr )
 m_toolMgr->GetToolHolder()->RegisterUIUpdateHandler( aAction, aConditions );
}
 
 
const ACTION_CONDITIONS* ACTION_MANAGER::GetCondition( const TOOL_ACTION& aAction ) const
{
 const auto it = m_uiConditions.find( aAction.GetId() );
 
 // If the action doesn't have something registered, then return null
 if( it == m_uiConditions.end() )
 return nullptr;
 else
 return &it->second;
}
 
 
int ACTION_MANAGER::MakeActionId( const std::string& aActionName )
{
 static int currentActionId = 1;
 
 return currentActionId++;
}
 
 
TOOL_ACTION* ACTION_MANAGER::FindAction( const std::string& aActionName ) const
{
 std::map<std::string, TOOL_ACTION*>::const_iterator it = m_actionNameIndex.find( aActionName );
 
 if( it != m_actionNameIndex.end() )
 return it->second;
 
 return nullptr;
}
 
 
bool ACTION_MANAGER::RunHotKey( int aHotKey ) const
{
 int key = aHotKey & ~MD_MODIFIER_MASK;
 int mod = aHotKey & MD_MODIFIER_MASK;
 
 if( key >= 'a' && key <= 'z' )
 key = std::toupper( key );
 
 wxLogTrace( kicadTraceToolStack, wxS( "ACTION_MANAGER::RunHotKey Key: %s" ),
 KeyNameFromKeyCode( aHotKey ) );
 
 HOTKEY_LIST::const_iterator it = m_actionHotKeys.find( key | mod );
 
 // If no luck, try without Shift, to handle keys that require it
 // e.g. to get ? you need to press Shift+/ without US keyboard layout
 // Hardcoding ? as Shift+/ is a bad idea, as on another layout you may need to press a
 // different combination
 if( it == m_actionHotKeys.end() )
 {
 wxLogTrace( kicadTraceToolStack,
 wxS( "ACTION_MANAGER::RunHotKey No actions found, searching with key: %s" ),
 KeyNameFromKeyCode( key | ( mod & ~MD_SHIFT ) ) );
 
 it = m_actionHotKeys.find( key | ( mod & ~MD_SHIFT ) );
 
 if( it == m_actionHotKeys.end() )
 return false; // no appropriate action found for the hotkey
 }
 
 const std::list<TOOL_ACTION*>& actions = it->second;
 
 // Choose the action that has the highest priority on the active tools stack
 // If there is none, run the global action associated with the hot key
 int highestPriority = -1, priority = -1;
 const TOOL_ACTION* context = nullptr; // pointer to context action of the highest priority tool
 std::vector<const TOOL_ACTION*> global; // pointers to global actions
 // if there is no context action
 
 for( const TOOL_ACTION* action : actions )
 {
 if( action->GetScope() == AS_GLOBAL )
 {
 // Store the global action in case there are no context actions to run
 global.emplace_back( action );
 continue;
 }
 
 TOOL_BASE* tool = m_toolMgr->FindTool( action->GetToolName() );
 
 if( tool )
 {
 // Choose the action that goes to the tool with highest priority
 // (i.e. is on the top of active tools stack)
 priority = m_toolMgr->GetPriority( tool->GetId() );
 
 if( priority >= 0 && priority > highestPriority )
 {
 highestPriority = priority;
 context = action;
 }
 }
 }
 
 // Get the selection to use to test if the action is enabled
 SELECTION& sel = m_toolMgr->GetToolHolder()->GetCurrentSelection();
 
 if( context )
 {
 bool runAction = true;
 
 if( const ACTION_CONDITIONS* aCond = GetCondition( *context ) )
 runAction = aCond->enableCondition( sel );
 
 wxLogTrace( kicadTraceToolStack,
 wxS( "ACTION_MANAGER::RunHotKey %s context action: %s for hotkey %s" ),
 runAction ? wxS( "Running" ) : wxS( "Not running" ),
 context->GetName(),
 KeyNameFromKeyCode( aHotKey ) );
 
 if( runAction )
 return m_toolMgr->RunAction( *context, true );
 }
 else if( !global.empty() )
 {
 for( const TOOL_ACTION* act : global )
 {
 bool runAction = true;
 
 if( const ACTION_CONDITIONS* aCond = GetCondition( *act ) )
 runAction = aCond->enableCondition( sel );
 
 wxLogTrace( kicadTraceToolStack,
 wxS( "ACTION_MANAGER::RunHotKey %s global action: %s for hotkey %s" ),
 runAction ? wxS( "Running" ) : wxS( "Not running" ),
 act->GetName(),
 KeyNameFromKeyCode( aHotKey ) );
 
 if( runAction && m_toolMgr->RunAction( *act, true ) )
 return true;
 }
 }
 
 wxLogTrace( kicadTraceToolStack,
 wxS( "ACTION_MANAGER::RunHotKey No action found for key %s" ),
 KeyNameFromKeyCode( aHotKey ) );
 
 return false;
}
 
 
const std::map<std::string, TOOL_ACTION*>& ACTION_MANAGER::GetActions() const
{
 return m_actionNameIndex;
}
 
 
int ACTION_MANAGER::GetHotKey( const TOOL_ACTION& aAction ) const
{
 std::map<int, int>::const_iterator it = m_hotkeys.find( aAction.GetId() );
 
 if( it == m_hotkeys.end() )
 return 0;
 
 return it->second;
}
 
 
void ACTION_MANAGER::UpdateHotKeys( bool aFullUpdate )
{
 static std::map<std::string, int> legacyHotKeyMap;
 static std::map<std::string, int> userHotKeyMap;
 static bool mapsInitialized = false;
 
 m_actionHotKeys.clear();
 m_hotkeys.clear();
 
 if( aFullUpdate && !mapsInitialized && m_toolMgr->GetToolHolder() )
 {
 ReadLegacyHotkeyConfig( m_toolMgr->GetToolHolder()->ConfigBaseName(), legacyHotKeyMap );
 ReadHotKeyConfig( wxEmptyString, userHotKeyMap );
 mapsInitialized = true;
 }
 
 for( const auto& ii : m_actionNameIndex )
 {
 TOOL_ACTION* action = ii.second;
 int hotkey = 0;
 
 if( aFullUpdate )
 hotkey = processHotKey( action, legacyHotKeyMap, userHotKeyMap );
 else
 hotkey = action->GetHotKey();
 
 if( hotkey > 0 )
 m_actionHotKeys[hotkey].push_back( action );
 
 m_hotkeys[action->GetId()] = hotkey;
 }
}
 
 
int ACTION_MANAGER::processHotKey( TOOL_ACTION* aAction,
 const std::map<std::string, int>& aLegacyMap,
 const std::map<std::string, int>& aHotKeyMap )
{
 aAction->m_hotKey = aAction->m_defaultHotKey;
 
 if( !aAction->m_legacyName.empty() && aLegacyMap.count( aAction->m_legacyName ) )
 aAction->SetHotKey( aLegacyMap.at( aAction->m_legacyName ) );
 
 if( aHotKeyMap.count( aAction->m_name ) )
 aAction->SetHotKey( aHotKeyMap.at( aAction->m_name ) );
 
 return aAction->m_hotKey;
}