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kicad/pcbnew/tools/drawing_tool.cpp

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2014 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 "drawing_tool.h"
#include "common_actions.h"
#include <wxPcbStruct.h>
#include <view/view_group.h>
#include <view/view_controls.h>
#include <class_board.h>
#include <class_drawsegment.h>
#include <gal/graphics_abstraction_layer.h>
#include <tool/tool_manager.h>
#include <confirm.h>
DRAWING_TOOL::DRAWING_TOOL() :
TOOL_INTERACTIVE( "pcbnew.InteractiveDrawing" )
{
}
DRAWING_TOOL::~DRAWING_TOOL()
{
}
void DRAWING_TOOL::Reset( RESET_REASON aReason )
{
setTransitions();
}
int DRAWING_TOOL::DrawLine( TOOL_EVENT& aEvent )
{
m_continous = true;
return draw( S_SEGMENT );
}
int DRAWING_TOOL::DrawCircle( TOOL_EVENT& aEvent )
{
m_continous = false;
return draw( S_CIRCLE );
}
int DRAWING_TOOL::DrawArc( TOOL_EVENT& aEvent )
{
m_continous = false;
int step = 0;
KIGFX::VIEW* view = getView();
KIGFX::VIEW_CONTROLS* controls = getViewControls();
BOARD* board = getModel<BOARD>( PCB_T );
DRAWSEGMENT graphic;
DRAWSEGMENT helperLine;
bool positive = true;
// Init the new item attributes
graphic.SetShape( S_ARC );
graphic.SetAngle( 0.0 );
graphic.SetWidth( board->GetDesignSettings().m_DrawSegmentWidth );
helperLine.SetShape( S_SEGMENT );
helperLine.SetLayer( DRAW_N );
helperLine.SetWidth( 1 );
// Add a VIEW_GROUP that serves as a preview for the new item
KIGFX::VIEW_GROUP preview( view );
view->Add( &preview );
controls->ShowCursor( true );
controls->SetSnapping( true );
Activate();
// Main loop: keep receiving events
while( OPT_TOOL_EVENT evt = Wait() )
{
VECTOR2D cursorPos = view->ToWorld( controls->GetCursorPosition() );
if( evt->IsCancel() )
break;
else if( evt->IsKeyUp() )
{
int width = graphic.GetWidth();
// Modify the new item width
if( evt->KeyCode() == '-' && width > WIDTH_STEP )
graphic.SetWidth( width - WIDTH_STEP );
else if( evt->KeyCode() == '=' )
graphic.SetWidth( width + WIDTH_STEP );
else if( evt->KeyCode() == ' ' )
{
if( positive )
graphic.SetAngle( graphic.GetAngle() - 3600.0 );
else
graphic.SetAngle( graphic.GetAngle() + 3600.0 );
positive = !positive;
}
preview.ViewUpdate( KIGFX::VIEW_ITEM::GEOMETRY );
}
else if( evt->IsClick( BUT_LEFT ) )
{
switch( step )
{
case 0:
{
LAYER_NUM layer = getEditFrame<PCB_EDIT_FRAME>()->GetScreen()->m_Active_Layer;
if( IsCopperLayer( layer ) )
{
DisplayInfoMessage( NULL, _( "Graphic not allowed on Copper layers" ) );
--step;
}
else
{
controls->SetAutoPan( true );
helperLine.SetStart( graphic.GetCenter() );
graphic.SetLayer( layer );
preview.Add( &graphic );
preview.Add( &helperLine );
}
}
break;
case 2:
{
if( wxPoint( cursorPos.x, cursorPos.y ) != graphic.GetCenter() )
{
DRAWSEGMENT* newItem = new DRAWSEGMENT( graphic );
view->Add( newItem );
getModel<BOARD>( PCB_T )->Add( newItem );
newItem->ViewUpdate( KIGFX::VIEW_ITEM::GEOMETRY );
}
}
break;
}
if( ++step == 3 )
break;
}
else if( evt->IsMotion() )
{
switch( step )
{
case 0:
graphic.SetCenter( wxPoint( cursorPos.x, cursorPos.y ) );
break;
case 1:
helperLine.SetEnd( wxPoint( cursorPos.x, cursorPos.y ) );
graphic.SetArcStart( wxPoint( cursorPos.x, cursorPos.y ) );
break;
case 2:
{
VECTOR2D firstLine( graphic.GetArcStart() - graphic.GetCenter() );
double firstAngle = firstLine.Angle();
VECTOR2D secondLine( wxPoint( cursorPos.x, cursorPos.y ) - graphic.GetCenter() );
double secondAngle = secondLine.Angle();
double angle = RAD2DECIDEG( secondAngle - firstAngle );
if( positive && angle < 0.0 )
angle += 3600.0;
else if( !positive && angle > 0.0 )
angle -= 3600.0;
graphic.SetAngle( angle );
}
break;
}
// Show a preview of the item
preview.ViewUpdate( KIGFX::VIEW_ITEM::GEOMETRY );
}
}
controls->ShowCursor( false );
controls->SetSnapping( false );
controls->SetAutoPan( false );
view->Remove( &preview );
setTransitions();
return 0;
}
int DRAWING_TOOL::draw( STROKE_T aShape )
{
bool started = false;
KIGFX::VIEW* view = getView();
KIGFX::VIEW_CONTROLS* controls = getViewControls();
BOARD* board = getModel<BOARD>( PCB_T );
DRAWSEGMENT graphic;
// Init the new item attributes
graphic.SetShape( aShape );
graphic.SetWidth( board->GetDesignSettings().m_DrawSegmentWidth );
// Add a VIEW_GROUP that serves as a preview for the new item
KIGFX::VIEW_GROUP preview( view );
view->Add( &preview );
controls->ShowCursor( true );
controls->SetSnapping( true );
Activate();
// Main loop: keep receiving events
while( OPT_TOOL_EVENT evt = Wait() )
{
// Enable 45 degrees lines only mode by holding shift
bool linesAngle45 = evt->Modifier( MD_SHIFT );
VECTOR2D cursorPos = view->ToWorld( controls->GetCursorPosition() );
if( evt->IsCancel() )
break;
else if( evt->IsKeyUp() )
{
int width = graphic.GetWidth();
// Modify the new item width
if( evt->KeyCode() == '-' && width > WIDTH_STEP )
graphic.SetWidth( width - WIDTH_STEP );
else if( evt->KeyCode() == '=' )
graphic.SetWidth( width + WIDTH_STEP );
preview.ViewUpdate( KIGFX::VIEW_ITEM::GEOMETRY );
}
else if( evt->IsClick( BUT_LEFT ) )
{
if( !started )
{
LAYER_NUM layer = getEditFrame<PCB_EDIT_FRAME>()->GetScreen()->m_Active_Layer;
if( IsCopperLayer( layer ) )
{
DisplayInfoMessage( NULL, _( "Graphic not allowed on Copper layers" ) );
}
else
{
controls->SetAutoPan( true );
graphic.SetStart( wxPoint( cursorPos.x, cursorPos.y ) );
graphic.SetLayer( layer );
preview.Add( &graphic );
started = true;
}
}
else
{
if( wxPoint( cursorPos.x, cursorPos.y ) != graphic.GetStart() )
{
DRAWSEGMENT* newItem = new DRAWSEGMENT( graphic );
view->Add( newItem );
getModel<BOARD>( PCB_T )->Add( newItem );
newItem->ViewUpdate( KIGFX::VIEW_ITEM::GEOMETRY );
if( m_continous )
graphic.SetStart( graphic.GetEnd() ); // This is the origin point for a new item
else
break;
}
else // User has clicked twice in the same spot
break; // seems like a clear sign that the drawing is finished
}
}
else if( evt->IsMotion() && started )
{
// 45 degree lines
if( linesAngle45 && aShape == S_SEGMENT )
{
VECTOR2D lineVector( wxPoint( cursorPos.x, cursorPos.y ) - graphic.GetStart() );
double angle = lineVector.Angle();
double newAngle = round( angle / ( M_PI / 4.0 ) ) * M_PI / 4.0;
VECTOR2D newLineVector = lineVector.Rotate( newAngle - angle );
// Snap the new line to the grid // TODO fix it, does not work good..
VECTOR2D newLineEnd = VECTOR2D( graphic.GetStart() ) + newLineVector;
VECTOR2D snapped = view->GetGAL()->GetGridPoint( newLineEnd );
graphic.SetEnd( wxPoint( snapped.x, snapped.y ) );
}
else
{
graphic.SetEnd( wxPoint( cursorPos.x, cursorPos.y ) );
}
// Show a preview of the item
preview.ViewUpdate( KIGFX::VIEW_ITEM::GEOMETRY );
}
}
controls->ShowCursor( false );
controls->SetSnapping( false );
controls->SetAutoPan( false );
view->Remove( &preview );
setTransitions();
return 0;
}
void DRAWING_TOOL::setTransitions()
{
Go( &DRAWING_TOOL::DrawLine, COMMON_ACTIONS::drawLine.MakeEvent() );
Go( &DRAWING_TOOL::DrawCircle, COMMON_ACTIONS::drawCircle.MakeEvent() );
Go( &DRAWING_TOOL::DrawArc, COMMON_ACTIONS::drawArc.MakeEvent() );
}
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