kicad/eeschema/sch_draw_panel.cpp

212 lines
6.3 KiB
C++

/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2014-2019 CERN
* @author Maciej Suminski <maciej.suminski@cern.ch>
* Copyright (C) 2019 KiCad Developers, see AUTHORS.txt for contributors.
*
* 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 <sch_draw_panel.h>
#include <wx/debug.h>
#include <wx/event.h>
#include <wx/gdicmn.h>
#include <wx/window.h>
#include <wx/windowid.h>
#include <memory>
#include <stdexcept>
#include <confirm.h>
#include <eda_draw_frame.h>
#include <gal/definitions.h>
#include <gal/graphics_abstraction_layer.h>
#include <layers_id_colors_and_visibility.h>
#include <math/vector2d.h>
#include <pgm_base.h>
#include <settings/settings_manager.h>
#include <view/view.h>
#include <view/view_controls.h>
#include <view/wx_view_controls.h>
#include <sch_base_frame.h>
#include <sch_painter.h>
SCH_DRAW_PANEL::SCH_DRAW_PANEL( wxWindow* aParentWindow, wxWindowID aWindowId,
const wxPoint& aPosition, const wxSize& aSize,
KIGFX::GAL_DISPLAY_OPTIONS& aOptions, GAL_TYPE aGalType ) :
EDA_DRAW_PANEL_GAL( aParentWindow, aWindowId, aPosition, aSize, aOptions, aGalType ),
m_parent( aParentWindow )
{
m_currentCursor = wxCURSOR_ARROW;
m_view = new KIGFX::SCH_VIEW( true, dynamic_cast<SCH_BASE_FRAME*>( aParentWindow ) );
m_view->SetGAL( m_gal );
m_gal->SetWorldUnitLength( SCH_WORLD_UNIT );
m_painter.reset( new KIGFX::SCH_PAINTER( m_gal ) );
m_painter->GetSettings()->LoadColors( Pgm().GetSettingsManager().GetColorSettings() );
m_view->SetPainter( m_painter.get() );
m_view->SetScaleLimits( 1000.0, 0.0001 ); // This fixes the zoom in and zoom out limits
m_view->SetMirror( false, false );
// Early initialization of the canvas background color,
// before any OnPaint event is fired for the canvas using a wrong bg color
auto settings = m_painter->GetSettings();
m_gal->SetClearColor( settings->GetBackgroundColor() );
setDefaultLayerOrder();
setDefaultLayerDeps();
GetView()->UpdateAllLayersOrder();
// View controls is the first in the event handler chain, so the Tool Framework operates
// on updated viewport data.
m_viewControls = new KIGFX::WX_VIEW_CONTROLS( m_view, this );
m_viewControls->SetSnapping( true );
SetEvtHandlerEnabled( true );
SetFocus();
Show( true );
Raise();
StartDrawing();
}
SCH_DRAW_PANEL::~SCH_DRAW_PANEL()
{
}
void SCH_DRAW_PANEL::DisplayComponent( const LIB_PART* aComponent )
{
GetView()->Clear();
GetView()->DisplayComponent( const_cast<LIB_PART*>(aComponent) );
}
void SCH_DRAW_PANEL::DisplaySheet( const SCH_SCREEN *aScreen )
{
GetView()->Clear();
if( aScreen )
GetView()->DisplaySheet( const_cast<SCH_SCREEN*>( aScreen ) );
}
void SCH_DRAW_PANEL::setDefaultLayerOrder()
{
for( LAYER_NUM i = 0; (unsigned) i < sizeof( SCH_LAYER_ORDER ) / sizeof( LAYER_NUM ); ++i )
{
LAYER_NUM layer = SCH_LAYER_ORDER[i];
wxASSERT( layer < KIGFX::VIEW::VIEW_MAX_LAYERS );
m_view->SetLayerOrder( layer, i );
}
}
bool SCH_DRAW_PANEL::SwitchBackend( GAL_TYPE aGalType )
{
VECTOR2D grid_size = m_gal->GetGridSize();
bool rv = EDA_DRAW_PANEL_GAL::SwitchBackend( aGalType );
setDefaultLayerDeps();
m_gal->SetWorldUnitLength( SCH_WORLD_UNIT );
// Keep grid size and grid visibility:
m_gal->SetGridSize( grid_size );
SCH_BASE_FRAME* frame = dynamic_cast<SCH_BASE_FRAME*>( GetParent() );
if( frame )
m_gal->SetGridVisibility( frame->IsGridVisible() );
Refresh();
return rv;
}
void SCH_DRAW_PANEL::setDefaultLayerDeps()
{
// caching makes no sense for Cairo and other software renderers
auto target = m_backend == GAL_TYPE_OPENGL ? KIGFX::TARGET_CACHED : KIGFX::TARGET_NONCACHED;
for( int i = 0; i < KIGFX::VIEW::VIEW_MAX_LAYERS; i++ )
m_view->SetLayerTarget( i, target );
// Bitmaps are draw on a non cached GAL layer:
m_view->SetLayerTarget( LAYER_DRAW_BITMAPS, KIGFX::TARGET_NONCACHED );
// Some draw layers need specific settings
m_view->SetLayerTarget( LAYER_GP_OVERLAY, KIGFX::TARGET_OVERLAY );
m_view->SetLayerDisplayOnly( LAYER_GP_OVERLAY ) ;
m_view->SetLayerTarget( LAYER_SELECT_OVERLAY, KIGFX::TARGET_OVERLAY );
m_view->SetLayerDisplayOnly( LAYER_SELECT_OVERLAY ) ;
m_view->SetLayerTarget( LAYER_WORKSHEET, KIGFX::TARGET_NONCACHED );
m_view->SetLayerDisplayOnly( LAYER_WORKSHEET ) ;
// m_view->SetLayerTarget( LAYER_SELECTION_SHADOWS, KIGFX::TARGET_NONCACHED );
// m_view->SetLayerDisplayOnly( LAYER_SELECTION_SHADOWS ) ;
}
KIGFX::SCH_VIEW* SCH_DRAW_PANEL::GetView() const
{
return static_cast<KIGFX::SCH_VIEW*>( m_view );
}
void SCH_DRAW_PANEL::OnShow()
{
SCH_BASE_FRAME* frame = dynamic_cast<SCH_BASE_FRAME*>( GetParent() );
try
{
// Check if the current rendering backend can be properly initialized
m_view->UpdateItems();
}
catch( const std::runtime_error& e )
{
// Fallback to software renderer
DisplayInfoMessage( frame, e.what() );
SwitchBackend( GAL_TYPE_CAIRO );
if( frame )
frame->ActivateGalCanvas();
}
}
void SCH_DRAW_PANEL::onPaint( wxPaintEvent& aEvent )
{
// The first wxPaintEvent can be fired at startup before the GAL engine is fully initialized
// (depending on platforms). Do nothing in this case
if( !m_gal->IsInitialized() || !m_gal->IsVisible() )
return;
EDA_DRAW_PANEL_GAL::onPaint( aEvent );
}