289 lines
8.5 KiB
C++
289 lines
8.5 KiB
C++
/*
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* This program source code file is part of KiCad, a free EDA CAD application.
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*
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* Copyright (C) 2013 CERN
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* @author Tomasz Wlostowski <tomasz.wlostowski@cern.ch>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, you may find one here:
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* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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* or you may search the http://www.gnu.org website for the version 2 license,
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* or you may write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include <wxPcbStruct.h>
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#include <wxBasePcbFrame.h>
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#include <tool/tool_manager.h>
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#include <tool/tool_dispatcher.h>
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#include <view/view.h>
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#include <view/wx_view_controls.h>
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#include <class_drawpanel_gal.h>
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#include <pcbnew_id.h>
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#include <boost/optional.hpp>
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#include <boost/foreach.hpp>
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using boost::optional;
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///> Stores information about a mouse button state
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struct TOOL_DISPATCHER::BUTTON_STATE
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{
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BUTTON_STATE( TOOL_MOUSE_BUTTONS aButton, const wxEventType& aDownEvent,
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const wxEventType& aUpEvent, const wxEventType& aDblClickEvent ) :
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button( aButton ),
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downEvent( aDownEvent ),
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upEvent( aUpEvent ),
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dblClickEvent( aDblClickEvent )
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{};
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///> Flag indicating that dragging is active for the given button.
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bool dragging;
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///> Flag indicating that the given button is pressed.
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bool pressed;
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///> Point where dragging has started (in world coordinates).
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VECTOR2D dragOrigin;
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///> Point where click event has occurred.
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VECTOR2D downPosition;
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///> Difference between drag origin point and current mouse position (expressed as distance in
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///> pixels).
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double dragMaxDelta;
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///> Determines the mouse button for which information are stored.
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TOOL_MOUSE_BUTTONS button;
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///> The type of wxEvent that determines mouse button press.
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wxEventType downEvent;
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///> The type of wxEvent that determines mouse button release.
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wxEventType upEvent;
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///> The type of wxEvent that determines mouse button double click.
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wxEventType dblClickEvent;
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///> Time stamp for the last mouse button press event.
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wxLongLong downTimestamp;
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///> Restores initial state.
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void Reset()
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{
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dragging = false;
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pressed = false;
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}
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};
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TOOL_DISPATCHER::TOOL_DISPATCHER( TOOL_MANAGER* aToolMgr, PCB_BASE_FRAME* aEditFrame ) :
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m_toolMgr( aToolMgr ), m_editFrame( aEditFrame )
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{
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m_buttons.push_back( new BUTTON_STATE( BUT_LEFT, wxEVT_LEFT_DOWN,
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wxEVT_LEFT_UP, wxEVT_LEFT_DCLICK ) );
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m_buttons.push_back( new BUTTON_STATE( BUT_RIGHT, wxEVT_RIGHT_DOWN,
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wxEVT_RIGHT_UP, wxEVT_RIGHT_DCLICK ) );
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m_buttons.push_back( new BUTTON_STATE( BUT_MIDDLE, wxEVT_MIDDLE_DOWN,
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wxEVT_MIDDLE_UP, wxEVT_MIDDLE_DCLICK ) );
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ResetState();
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}
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TOOL_DISPATCHER::~TOOL_DISPATCHER()
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{
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BOOST_FOREACH( BUTTON_STATE* st, m_buttons )
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delete st;
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}
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void TOOL_DISPATCHER::ResetState()
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{
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BOOST_FOREACH( BUTTON_STATE* st, m_buttons )
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st->Reset();
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}
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KIGFX::VIEW* TOOL_DISPATCHER::getView()
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{
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return m_editFrame->GetGalCanvas()->GetView();
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}
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bool TOOL_DISPATCHER::handleMouseButton( wxEvent& aEvent, int aIndex, bool aMotion )
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{
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BUTTON_STATE* st = m_buttons[aIndex];
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wxEventType type = aEvent.GetEventType();
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optional<TOOL_EVENT> evt;
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bool isClick = false;
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bool up = type == st->upEvent;
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bool down = type == st->downEvent;
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bool dblClick = type == st->dblClickEvent;
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int mods = decodeModifiers<wxMouseEvent>( static_cast<wxMouseEvent*>( &aEvent ) );
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int args = st->button | mods;
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if( down ) // Handle mouse button press
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{
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st->downTimestamp = wxGetLocalTimeMillis();
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st->dragOrigin = m_lastMousePos;
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st->downPosition = m_lastMousePos;
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st->dragMaxDelta = 0;
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st->pressed = true;
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evt = TOOL_EVENT( TC_MOUSE, TA_MOUSE_DOWN, args );
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}
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else if( up ) // Handle mouse button release
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{
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st->pressed = false;
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if( st->dragging )
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{
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wxLongLong t = wxGetLocalTimeMillis();
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// Determine if it was just a single click or beginning of dragging
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if( t - st->downTimestamp < DragTimeThreshold &&
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st->dragMaxDelta < DragDistanceThreshold )
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isClick = true;
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else
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evt = TOOL_EVENT( TC_MOUSE, TA_MOUSE_UP, args );
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}
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else
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isClick = true;
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if( isClick )
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evt = TOOL_EVENT( TC_MOUSE, TA_MOUSE_CLICK, args );
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st->dragging = false;
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}
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else if( dblClick )
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{
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evt = TOOL_EVENT( TC_MOUSE, TA_MOUSE_DBLCLICK, args );
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}
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if( st->pressed && aMotion )
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{
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st->dragging = true;
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double dragPixelDistance =
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getView()->ToScreen( m_lastMousePos - st->dragOrigin, false ).EuclideanNorm();
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st->dragMaxDelta = std::max( st->dragMaxDelta, dragPixelDistance );
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wxLongLong t = wxGetLocalTimeMillis();
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if( t - st->downTimestamp > DragTimeThreshold || st->dragMaxDelta > DragDistanceThreshold )
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{
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evt = TOOL_EVENT( TC_MOUSE, TA_MOUSE_DRAG, args );
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evt->SetMouseDragOrigin( st->dragOrigin );
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evt->SetMouseDelta( m_lastMousePos - st->dragOrigin );
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}
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}
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if( evt )
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{
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evt->SetMousePosition( isClick ? st->downPosition : m_lastMousePos );
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m_toolMgr->ProcessEvent( *evt );
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return true;
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}
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return false;
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}
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void TOOL_DISPATCHER::DispatchWxEvent( wxEvent& aEvent )
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{
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bool motion = false, buttonEvents = false;
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optional<TOOL_EVENT> evt;
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int type = aEvent.GetEventType();
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// Mouse handling
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if( type == wxEVT_MOTION || type == wxEVT_MOUSEWHEEL ||
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type == wxEVT_LEFT_DOWN || type == wxEVT_LEFT_UP ||
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type == wxEVT_MIDDLE_DOWN || type == wxEVT_MIDDLE_UP ||
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type == wxEVT_RIGHT_DOWN || type == wxEVT_RIGHT_UP ||
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type == wxEVT_LEFT_DCLICK || type == wxEVT_MIDDLE_DCLICK || type == wxEVT_RIGHT_DCLICK ||
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// Event issued whem mouse retains position in screen coordinates,
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// but changes in world coordinates (e.g. autopanning)
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type == KIGFX::WX_VIEW_CONTROLS::EVT_REFRESH_MOUSE )
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{
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VECTOR2D screenPos = m_toolMgr->GetViewControls()->GetMousePosition();
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VECTOR2D pos = getView()->ToWorld( screenPos );
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if( pos != m_lastMousePos )
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{
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motion = true;
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m_lastMousePos = pos;
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}
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for( unsigned int i = 0; i < m_buttons.size(); i++ )
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buttonEvents |= handleMouseButton( aEvent, i, motion );
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if( !buttonEvents && motion )
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{
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evt = TOOL_EVENT( TC_MOUSE, TA_MOUSE_MOTION );
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evt->SetMousePosition( pos );
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}
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}
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// Keyboard handling
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else if( type == wxEVT_KEY_UP || type == wxEVT_KEY_DOWN )
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{
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wxKeyEvent* ke = static_cast<wxKeyEvent*>( &aEvent );
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int key = ke->GetKeyCode();
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int mods = decodeModifiers<wxKeyEvent>( ke );
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if( type == wxEVT_KEY_UP )
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{
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if( key == WXK_ESCAPE ) // ESC is the special key for cancelling tools
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evt = TOOL_EVENT( TC_COMMAND, TA_CANCEL_TOOL );
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else
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evt = TOOL_EVENT( TC_KEYBOARD, TA_KEY_UP, key | mods );
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}
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else
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{
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evt = TOOL_EVENT( TC_KEYBOARD, TA_KEY_DOWN, key | mods );
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}
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}
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if( evt )
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m_toolMgr->ProcessEvent( *evt );
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// pass the event to the GUI, it might still be interested in it
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aEvent.Skip();
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}
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void TOOL_DISPATCHER::DispatchWxCommand( const wxCommandEvent& aEvent )
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{
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bool activateTool = false;
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std::string toolName;
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// fixme: use TOOL_ACTIONs here
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switch( aEvent.GetId() )
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{
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case ID_PNS_ROUTER_TOOL:
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toolName = "pcbnew.InteractiveRouter";
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activateTool = true;
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break;
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}
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// do nothing if the legacy view is active
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if( activateTool && m_editFrame->IsGalCanvasActive() )
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m_toolMgr->InvokeTool( toolName );
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}
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