kicad/pcbnew/tools/picker_tool.cpp

165 lines
4.4 KiB
C++

/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2015 CERN
* @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 "picker_tool.h"
#include "pcb_actions.h"
#include "grid_helper.h"
#include <view/view_controls.h>
#include <tool/tool_manager.h>
#include "tool_event_utils.h"
#include "selection_tool.h"
TOOL_ACTION PCB_ACTIONS::pickerTool( "pcbnew.Picker", AS_GLOBAL, 0, "", "", NULL, AF_ACTIVATE );
PICKER_TOOL::PICKER_TOOL()
: PCB_TOOL( "pcbnew.Picker" )
{
reset();
}
int PICKER_TOOL::Main( const TOOL_EVENT& aEvent )
{
KIGFX::VIEW_CONTROLS* controls = getViewControls();
GRID_HELPER grid( frame() );
int finalize_state = WAIT_CANCEL;
setControls();
while( OPT_TOOL_EVENT evt = Wait() )
{
grid.SetSnap( !evt->Modifier( MD_SHIFT ) );
grid.SetUseGrid( !evt->Modifier( MD_ALT ) );
controls->SetSnapping( !evt->Modifier( MD_ALT ) );
VECTOR2I cursorPos = grid.BestSnapAnchor( controls->GetMousePosition(), nullptr );
controls->ForceCursorPosition(true, cursorPos );
if( evt->IsClick( BUT_LEFT ) )
{
bool getNext = false;
m_picked = cursorPos;
if( m_clickHandler )
{
try
{
getNext = (*m_clickHandler)( *m_picked );
}
catch( std::exception& e )
{
std::cerr << "PICKER_TOOL click handler error: " << e.what() << std::endl;
finalize_state = EXCEPTION_CANCEL;
break;
}
}
if( !getNext )
{
finalize_state = CLICK_CANCEL;
break;
}
else
setControls();
}
else if( TOOL_EVT_UTILS::IsCancelInteractive( *evt ) )
{
if( m_cancelHandler )
{
try
{
(*m_cancelHandler)();
}
catch( std::exception& e )
{
std::cerr << "PICKER_TOOL cancel handler error: " << e.what() << std::endl;
}
}
finalize_state = EVT_CANCEL;
break;
}
else if( evt->IsClick( BUT_RIGHT ) )
m_menu.ShowContextMenu();
else
m_toolMgr->PassEvent();
}
if( m_finalizeHandler )
{
try
{
(*m_finalizeHandler)( finalize_state );
}
catch( std::exception& e )
{
std::cerr << "PICKER_TOOL finalize handler error: " << e.what() << std::endl;
}
}
reset();
controls->ForceCursorPosition( false );
getEditFrame<PCB_BASE_FRAME>()->SetNoToolSelected();
return 0;
}
void PICKER_TOOL::setTransitions()
{
Go( &PICKER_TOOL::Main, PCB_ACTIONS::pickerTool.MakeEvent() );
}
void PICKER_TOOL::reset()
{
m_cursorSnapping = true;
m_cursorVisible = true;
m_cursorCapture = false;
m_autoPanning = false;
m_layerMask = LSET::AllLayersMask();
m_picked = NULLOPT;
m_clickHandler = NULLOPT;
m_cancelHandler = NULLOPT;
m_finalizeHandler = NULLOPT;
}
void PICKER_TOOL::setControls()
{
KIGFX::VIEW_CONTROLS* controls = getViewControls();
// Ensure that the view controls do not handle our snapping as we use the GRID_HELPER
controls->SetSnapping( false );
controls->ShowCursor( m_cursorVisible );
controls->CaptureCursor( m_cursorCapture );
controls->SetAutoPan( m_autoPanning );
}