kicad/pcbnew/tools/pcb_picker_tool.cpp

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2015 CERN
* Copyright (C) 2019-2020 KiCad Developers, see AUTHORS.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 "pcb_picker_tool.h"
#include "pcb_actions.h"
#include "pcb_grid_helper.h"
#include <view/view_controls.h>
#include <tool/tool_manager.h>
#include "pcb_selection_tool.h"
PCB_PICKER_TOOL::PCB_PICKER_TOOL()
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: PCB_TOOL_BASE( "pcbnew.InteractivePicker" )
{
reset();
}
int PCB_PICKER_TOOL::Main( const TOOL_EVENT& aEvent )
{
KIGFX::VIEW_CONTROLS* controls = getViewControls();
PCB_BASE_FRAME* frame = getEditFrame<PCB_BASE_FRAME>();
PCB_GRID_HELPER grid( m_toolMgr, frame->GetMagneticItemsSettings() );
int finalize_state = WAIT_CANCEL;
std::string tool = *aEvent.Parameter<std::string*>();
if( !tool.empty() )
frame->PushTool( tool );
Activate();
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setControls();
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auto setCursor =
[&]()
{
frame->GetCanvas()->SetCurrentCursor( m_cursor );
};
// Set initial cursor
setCursor();
VECTOR2D cursorPos;
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while( TOOL_EVENT* evt = Wait() )
{
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setCursor();
cursorPos = controls->GetMousePosition();
if( m_snap )
{
grid.SetSnap( !evt->Modifier( MD_SHIFT ) );
grid.SetUseGrid( getView()->GetGAL()->GetGridSnapping() && !evt->Modifier( MD_ALT ) );
cursorPos = grid.BestSnapAnchor( cursorPos, nullptr );
controls->ForceCursorPosition( true, cursorPos );
}
if( evt->IsCancelInteractive() || evt->IsActivate() )
{
if( m_cancelHandler )
{
try
{
(*m_cancelHandler)();
}
catch( std::exception& )
{
}
}
// Activating a new tool may have alternate finalization from canceling the current tool
if( evt->IsActivate() )
finalize_state = END_ACTIVATE;
else
finalize_state = EVT_CANCEL;
break;
}
else if( evt->IsClick( BUT_LEFT ) )
{
bool getNext = false;
m_picked = cursorPos;
if( m_clickHandler )
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{
try
{
getNext = (*m_clickHandler)( *m_picked );
}
catch( std::exception& )
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{
finalize_state = EXCEPTION_CANCEL;
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break;
}
}
if( !getNext )
{
finalize_state = CLICK_CANCEL;
break;
}
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else
setControls();
}
else if( evt->IsMotion() )
{
if( m_motionHandler )
{
try
{
(*m_motionHandler)( cursorPos );
}
catch( std::exception& )
{
}
}
}
else if( evt->IsDblClick( BUT_LEFT ) || evt->IsDrag( BUT_LEFT ) )
{
// Not currently used, but we don't want to pass them either
}
else if( evt->IsClick( BUT_RIGHT ) )
{
PCB_SELECTION dummy;
m_menu.ShowContextMenu( dummy );
}
else
evt->SetPassEvent();
}
if( m_finalizeHandler )
{
try
{
(*m_finalizeHandler)( finalize_state );
}
catch( std::exception& )
{
}
}
reset();
controls->ForceCursorPosition( false );
if( !tool.empty() )
frame->PopTool( tool );
return 0;
}
void PCB_PICKER_TOOL::setTransitions()
{
Go( &PCB_PICKER_TOOL::Main, ACTIONS::pickerTool.MakeEvent() );
}
void PCB_PICKER_TOOL::reset()
{
m_layerMask = LSET::AllLayersMask();
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m_cursor = KICURSOR::ARROW;
m_snap = true;
m_picked = NULLOPT;
m_clickHandler = NULLOPT;
m_motionHandler = NULLOPT;
m_cancelHandler = NULLOPT;
m_finalizeHandler = NULLOPT;
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}
void PCB_PICKER_TOOL::setControls()
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{
KIGFX::VIEW_CONTROLS* controls = getViewControls();
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controls->CaptureCursor( false );
controls->SetAutoPan( false );
}