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kicad/eeschema/sch_draw_panel.cpp

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/*
* 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 <functional>
#include <view/wx_view_controls.h>
#include <worksheet_viewitem.h>
#include <confirm.h>
#include <gal/graphics_abstraction_layer.h>
#include <sch_draw_panel.h>
#include <sch_view.h>
#include <sch_painter.h>
#include <sch_edit_frame.h>
#include <preview_items/selection_area.h>
#include <sch_sheet.h>
#include <pgm_base.h>
using namespace std::placeholders;
// Events used by EDA_DRAW_PANEL
// GAL TODO: some (most?) of these need to be implemented...
BEGIN_EVENT_TABLE( SCH_DRAW_PANEL, wxScrolledCanvas )
// EVT_LEAVE_WINDOW( EDA_DRAW_PANEL::OnMouseLeaving )
// EVT_ENTER_WINDOW( EDA_DRAW_PANEL::OnMouseEntering )
// EVT_MOUSEWHEEL( EDA_DRAW_PANEL::OnMouseWheel )
#if wxCHECK_VERSION( 3, 1, 0 ) || defined( USE_OSX_MAGNIFY_EVENT )
// EVT_MAGNIFY( EDA_DRAW_PANEL::OnMagnify )
#endif
// EVT_MOUSE_EVENTS( EDA_DRAW_PANEL::OnMouseEvent )
EVT_CHAR( SCH_DRAW_PANEL::OnKeyEvent )
EVT_CHAR_HOOK( SCH_DRAW_PANEL::OnCharHook )
EVT_PAINT( SCH_DRAW_PANEL::onPaint )
// EVT_ERASE_BACKGROUND( EDA_DRAW_PANEL::OnEraseBackground )
// EVT_SCROLLWIN( EDA_DRAW_PANEL::OnScroll )
// EVT_ACTIVATE( EDA_DRAW_PANEL::OnActivate )
// EVT_MENU_RANGE( ID_PAN_UP, ID_PAN_RIGHT, EDA_DRAW_PANEL::OnPan )
END_EVENT_TABLE()
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_defaultCursor = m_currentCursor = wxCURSOR_ARROW;
m_showCrossHair = true;
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_view->SetPainter( m_painter.get() );
m_view->SetScaleLimits( 50.0, 0.05 ); // 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();
view()->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 );
const wxEventType events[] =
{
wxEVT_LEFT_UP, wxEVT_LEFT_DOWN, wxEVT_LEFT_DCLICK,
wxEVT_RIGHT_UP, wxEVT_RIGHT_DOWN, wxEVT_RIGHT_DCLICK,
wxEVT_MIDDLE_UP, wxEVT_MIDDLE_DOWN, wxEVT_MIDDLE_DCLICK,
wxEVT_MOTION, wxEVT_MOUSEWHEEL,
};
for( auto e : events )
{
Connect( e, wxMouseEventHandler( SCH_DRAW_PANEL::OnMouseEvent ), NULL, this );
}
Connect( wxEVT_CHAR, wxKeyEventHandler( SCH_DRAW_PANEL::OnKeyEvent ), NULL, this );
Connect( wxEVT_CHAR_HOOK, wxKeyEventHandler( SCH_DRAW_PANEL::OnCharHook ), NULL, this );
Pgm().CommonSettings()->Read( ENBL_MOUSEWHEEL_PAN_KEY, &m_enableMousewheelPan, false );
Pgm().CommonSettings()->Read( ENBL_ZOOM_NO_CENTER_KEY, &m_enableZoomNoCenter, false );
Pgm().CommonSettings()->Read( ENBL_AUTO_PAN_KEY, &m_enableAutoPan, true );
m_canStartBlock = -1; // Command block can start if >= 0
m_abortRequest = false;
m_ignoreMouseEvents = false;
// Be sure a mouse release button event will be ignored when creating the canvas
// if the mouse click was not made inside the canvas (can happen sometimes, when
// launching a editor from a double click made in another frame)
m_ignoreNextLeftButtonRelease = true;
m_mouseCaptureCallback = NULL;
m_endMouseCaptureCallback = NULL;
m_enableBlockCommands = false;
m_minDragEventCount = 0;
m_cursorLevel = 0;
m_PrintIsMirrored = false;
m_doubleClickInterval = 250;
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 )
{
view()->Clear();
view()->DisplayComponent( const_cast<LIB_PART*>(aComponent) );
}
void SCH_DRAW_PANEL::DisplaySheet( const SCH_SHEET* aSheet )
{
view()->Clear();
view()->DisplaySheet( const_cast<SCH_SHEET*>(aSheet) );
}
void SCH_DRAW_PANEL::DisplaySheet( const SCH_SCREEN *aScreen )
{
view()->Clear();
if( aScreen )
view()->DisplaySheet( const_cast<SCH_SCREEN*>( aScreen ) );
}
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 );
}
}
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::SetEnableMousewheelPan( bool aEnable )
{
m_enableMousewheelPan = aEnable;
if( GetParent()->IsGalCanvasActive() )
GetParent()->GetGalCanvas()->GetViewControls()->EnableMousewheelPan( aEnable );
}
void SCH_DRAW_PANEL::SetEnableAutoPan( bool aEnable )
{
EDA_DRAW_PANEL::SetEnableAutoPan( aEnable );
if( GetParent()->IsGalCanvasActive() )
GetParent()->GetGalCanvas()->GetViewControls()->EnableAutoPan( aEnable );
}
void SCH_DRAW_PANEL::SetAutoPanRequest( bool aEnable )
{
wxCHECK( GetParent()->IsGalCanvasActive(), /*void*/ );
GetParent()->GetGalCanvas()->GetViewControls()->SetAutoPan( aEnable );
}
void SCH_DRAW_PANEL::SetEnableZoomNoCenter( bool aEnable )
{
m_enableZoomNoCenter = aEnable;
if( GetParent()->IsGalCanvasActive() )
GetParent()->GetGalCanvas()->GetViewControls()->EnableCursorWarping( !aEnable );
}
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 ) ;
}
KIGFX::SCH_VIEW* SCH_DRAW_PANEL::view() const
{
return static_cast<KIGFX::SCH_VIEW*>( m_view );
}
BASE_SCREEN* SCH_DRAW_PANEL::GetScreen()
{
return GetParent()->GetScreen();
}
EDA_DRAW_FRAME* SCH_DRAW_PANEL::GetParent() const
{
return static_cast<EDA_DRAW_FRAME*>(m_parent); // static_cast<SCH_EDIT_FRAME*> (m_parent);
}
void SCH_DRAW_PANEL::OnMouseEvent( wxMouseEvent& event )
{
int localbutt = 0;
BASE_SCREEN* screen = GetScreen();
auto controls = GetViewControls();
auto vmp = VECTOR2I( controls->GetMousePosition() );
wxPoint mousePos ( vmp.x, vmp.y );
event.Skip();
if( !screen )
return;
/* Adjust value to filter mouse displacement before consider the drag
* mouse is really a drag command, not just a movement while click
*/
#define MIN_DRAG_COUNT_FOR_START_BLOCK_COMMAND 5
if( event.Leaving() )
m_canStartBlock = -1;
if( !IsMouseCaptured() ) // No mouse capture in progress.
SetAutoPanRequest( false );
if( GetParent()->IsActive() )
SetFocus();
else
return;
if( !event.IsButton() && !event.Moving() && !event.Dragging() )
return;
if( event.RightUp() )
{
OnRightClick( event );
return;
}
if( m_ignoreMouseEvents )
return;
if( event.LeftDown() )
localbutt = GR_M_LEFT_DOWN;
if( event.ButtonDClick( 1 ) )
localbutt = GR_M_LEFT_DOWN | GR_M_DCLICK;
if( event.MiddleDown() )
localbutt = GR_M_MIDDLE_DOWN;
// Compute the cursor position in drawing (logical) units.
//GetParent()->SetMousePosition( event.GetLogicalPosition( DC ) );
int kbstat = 0;
if( event.ShiftDown() )
kbstat |= GR_KB_SHIFT;
if( event.ControlDown() )
kbstat |= GR_KB_CTRL;
if( event.AltDown() )
kbstat |= GR_KB_ALT;
// Calling Double Click and Click functions :
if( localbutt == (int) ( GR_M_LEFT_DOWN | GR_M_DCLICK ) )
{
GetParent()->OnLeftDClick( nullptr, mousePos );
// inhibit a response to the mouse left button release,
// because we have a double click, and we do not want a new
// OnLeftClick command at end of this Double Click
m_ignoreNextLeftButtonRelease = true;
}
else if( event.LeftUp() )
{
// A block command is in progress: a left up is the end of block
// or this is the end of a double click, already seen
// Note also m_ignoreNextLeftButtonRelease can be set by
// the call to OnLeftClick(), so do not change it after calling OnLeftClick
bool ignoreEvt = m_ignoreNextLeftButtonRelease;
m_ignoreNextLeftButtonRelease = false;
if( screen->m_BlockLocate.GetState() == STATE_NO_BLOCK && !ignoreEvt )
GetParent()->OnLeftClick( nullptr, mousePos );
}
else if( !event.LeftIsDown() )
{
/* be sure there is a response to a left button release command
* even when a LeftUp event is not seen. This happens when a
* double click opens a dialog box, and the release mouse button
* is made when the dialog box is opened.
*/
m_ignoreNextLeftButtonRelease = false;
}
if( event.ButtonDown( wxMOUSE_BTN_MIDDLE ) )
{
m_PanStartCenter = GetParent()->GetScrollCenterPosition();
m_PanStartEventPosition = event.GetPosition();
CrossHairOff( );
SetCursor( wxCURSOR_SIZING );
}
if( event.ButtonUp( wxMOUSE_BTN_MIDDLE ) )
{
CrossHairOn();
SetCursor( (wxStockCursor) m_currentCursor );
}
if( event.MiddleIsDown() )
{
// already managed by EDA_DRAW_PANEL_GAL mouse event handler.
return;
}
// Calling the general function on mouse changes (and pseudo key commands)
GetParent()->GeneralControl( nullptr, mousePos );
/*******************************/
/* Control of block commands : */
/*******************************/
// Command block can't start if mouse is dragging a new panel
static SCH_DRAW_PANEL* lastPanel;
if( lastPanel != this )
{
m_minDragEventCount = 0;
m_canStartBlock = -1;
}
/* A new command block can start after a release buttons
* and if the drag is enough
* This is to avoid a false start block when a dialog box is dismissed,
* or when changing panels in hierarchy navigation
* or when clicking while and moving mouse
*/
if( !event.LeftIsDown() && !event.MiddleIsDown() )
{
m_minDragEventCount = 0;
m_canStartBlock = 0;
/* Remember the last cursor position when a drag mouse starts
* this is the last position ** before ** clicking a button
* this is useful to start a block command from the point where the
* mouse was clicked first
* (a filter creates a delay for the real block command start, and
* we must remember this point)
*/
m_CursorStartPos = GetParent()->GetCrossHairPosition();
}
if( m_enableBlockCommands && !(localbutt & GR_M_DCLICK) )
{
if( !screen->IsBlockActive() )
{
screen->m_BlockLocate.SetOrigin( m_CursorStartPos );
}
if( event.LeftDown() )
{
if( screen->m_BlockLocate.GetState() == STATE_BLOCK_MOVE )
{
SetAutoPanRequest( false );
GetParent()->HandleBlockPlace( nullptr );
m_ignoreNextLeftButtonRelease = true;
}
}
else if( ( m_canStartBlock >= 0 ) && event.LeftIsDown() && !IsMouseCaptured() )
{
// Mouse is dragging: if no block in progress, start a block command.
if( screen->m_BlockLocate.GetState() == STATE_NO_BLOCK )
{
// Start a block command
int cmd_type = kbstat;
// A block command is started if the drag is enough. A small
// drag is ignored (it is certainly a little mouse move when
// clicking) not really a drag mouse
if( m_minDragEventCount < MIN_DRAG_COUNT_FOR_START_BLOCK_COMMAND )
m_minDragEventCount++;
else
{
auto cmd = (GetParent()->GetToolId() == ID_ZOOM_SELECTION) ? BLOCK_ZOOM : 0;
// DBG(printf("start block\n"); fflush(0);)
if( !GetParent()->HandleBlockBegin( nullptr, cmd_type, m_CursorStartPos, cmd ) )
{
// should not occur: error
GetParent()->DisplayToolMsg( "SCH_DRAW_PANEL: Block Error" );
}
else
{
SetAutoPanRequest( true );
SetCursor( wxCURSOR_SIZING );
}
}
}
}
if( event.ButtonUp( wxMOUSE_BTN_LEFT ) )
{
/* Release the mouse button: end of block.
* The command can finish (DELETE) or have a next command (MOVE,
* COPY). However the block command is canceled if the block
* size is small because a block command filtering is already
* made, this case happens, but only when the on grid cursor has
* not moved.
*/
#define BLOCK_MINSIZE_LIMIT 1
bool BlockIsSmall =
( std::abs( screen->m_BlockLocate.GetWidth() ) < BLOCK_MINSIZE_LIMIT )
&& ( std::abs( screen->m_BlockLocate.GetHeight() ) < BLOCK_MINSIZE_LIMIT );
if( (screen->m_BlockLocate.GetState() != STATE_NO_BLOCK) && BlockIsSmall )
{
if( m_endMouseCaptureCallback )
{
m_endMouseCaptureCallback( this, nullptr );
SetAutoPanRequest( false );
}
//SetCursor( (wxStockCursor) m_currentCursor );
}
else if( screen->m_BlockLocate.GetState() == STATE_BLOCK_END )
{
SetAutoPanRequest( false );
GetParent()->HandleBlockEnd( nullptr );
//SetCursor( (wxStockCursor) m_currentCursor );
if( screen->m_BlockLocate.GetState() == STATE_BLOCK_MOVE )
{
SetAutoPanRequest( true );
SetCursor( wxCURSOR_HAND );
}
}
}
}
// End of block command on a double click
// To avoid an unwanted block move command if the mouse is moved while double clicking
if( localbutt == (int) ( GR_M_LEFT_DOWN | GR_M_DCLICK ) )
{
if( !screen->IsBlockActive() && IsMouseCaptured() )
{
m_endMouseCaptureCallback( this, nullptr );
}
}
lastPanel = this;
}
bool SCH_DRAW_PANEL::OnRightClick( wxMouseEvent& event )
{
auto controls = GetViewControls();
auto vmp = controls->GetMousePosition();
wxPoint mouseWorldPos ( (int) vmp.x, (int) vmp.y );
wxMenu MasterMenu;
if( !GetParent()->OnRightClick( mouseWorldPos, &MasterMenu ) )
return false;
GetParent()->AddMenuZoomAndGrid( &MasterMenu );
m_ignoreMouseEvents = true;
PopupMenu( &MasterMenu, event.GetPosition() );
m_ignoreMouseEvents = false;
return true;
}
void SCH_DRAW_PANEL::CallMouseCapture( wxDC* aDC, const wxPoint& aPosition, bool aErase )
{
wxCHECK_RET( m_mouseCaptureCallback != NULL, wxT( "Mouse capture callback not set." ) );
m_mouseCaptureCallback( this, aDC, aPosition, aErase );
}
void SCH_DRAW_PANEL::CallEndMouseCapture( wxDC* aDC )
{
// CallEndMouseCapture is sometimes called with m_endMouseCaptureCallback == NULL
// for instance after an ABORT in block paste.
if( m_endMouseCaptureCallback )
m_endMouseCaptureCallback( this, aDC );
}
void SCH_DRAW_PANEL::EndMouseCapture( int id, int cursor, const wxString& title,
bool aCallEndFunc )
{
if( m_mouseCaptureCallback && m_endMouseCaptureCallback && aCallEndFunc )
{
m_endMouseCaptureCallback( this, nullptr );
}
m_mouseCaptureCallback = NULL;
m_endMouseCaptureCallback = NULL;
SetAutoPanRequest( false );
if( id != -1 && cursor != -1 )
{
//wxASSERT( cursor > wxCURSOR_NONE && cursor < wxCURSOR_MAX );
GetParent()->SetToolID( id, cursor, title );
}
}
void SCH_DRAW_PANEL::CrossHairOff( wxDC* DC )
{
m_viewControls->ShowCursor( false );
}
void SCH_DRAW_PANEL::CrossHairOn( wxDC* DC )
{
m_viewControls->ShowCursor( true );
}
void SCH_DRAW_PANEL::MoveCursorToCrossHair()
{
GetViewControls()->WarpCursor( GetParent()->GetCrossHairPosition(), true );
}
void SCH_DRAW_PANEL::Refresh( bool aEraseBackground, const wxRect* aRect )
{
EDA_DRAW_PANEL_GAL::Refresh( aEraseBackground, aRect );
}
void SCH_DRAW_PANEL::OnCharHook( wxKeyEvent& event )
{
event.Skip();
}
void SCH_DRAW_PANEL::OnKeyEvent( wxKeyEvent& event )
{
int localkey = event.GetKeyCode();
bool keyWasHandled = false;
switch( localkey )
{
default:
break;
case WXK_ESCAPE:
m_abortRequest = true;
if( IsMouseCaptured() )
EndMouseCapture();
else
EndMouseCapture( ID_NO_TOOL_SELECTED, 0 /*m_defaultCursor*/, wxEmptyString );
keyWasHandled = true; // The key is captured: the key event will be not skipped
break;
}
/* Normalize keys code to easily handle keys from Ctrl+A to Ctrl+Z
* They have an ascii code from 1 to 27 remapped
* to GR_KB_CTRL + 'A' to GR_KB_CTRL + 'Z'
*/
if( event.ControlDown() && localkey >= WXK_CONTROL_A && localkey <= WXK_CONTROL_Z )
localkey += 'A' - 1;
/* Disallow shift for keys that have two keycodes on them (e.g. number and
* punctuation keys) leaving only the "letter keys" of A-Z.
* Then, you can have, e.g. Ctrl-5 and Ctrl-% (GB layout)
* and Ctrl-( and Ctrl-5 (FR layout).
* Otherwise, you'd have to have to say Ctrl-Shift-5 on a FR layout
*/
bool keyIsLetter = ( localkey >= 'A' && localkey <= 'Z' ) ||
( localkey >= 'a' && localkey <= 'z' );
if( event.ShiftDown() && ( keyIsLetter || localkey > 256 ) )
localkey |= GR_KB_SHIFT;
if( event.ControlDown() )
localkey |= GR_KB_CTRL;
if( event.AltDown() )
localkey |= GR_KB_ALT;
// Some key commands use the current mouse position: refresh it.
//pos = wxGetMousePosition() - GetScreenPosition();
// Compute the cursor position in drawing units. Also known as logical units to wxDC.
//pos = wxPoint( DC.DeviceToLogicalX( pos.x ), DC.DeviceToLogicalY( pos.y ) );
auto p = GetViewControls()->GetCursorPosition( false );
wxPoint pos ((int)p.x, (int)p.y);
GetParent()->SetMousePosition( pos );
// a Key event has to be skipped only if it is not handled:
if( !GetParent()->GeneralControl( nullptr, pos, localkey ) && !keyWasHandled )
event.Skip();
}
void SCH_DRAW_PANEL::onPaint( wxPaintEvent& aEvent )
{
if( !m_gal->IsInitialized() || !m_gal->IsVisible() )
// The first wxPaintEvent can be fired at startup before the GAL engine is fully initialized
// (depending on platforms). Do nothing in this case
return;
if( m_painter )
static_cast<KIGFX::SCH_PAINTER*>(m_painter.get())->GetSettings()->ImportLegacyColors( nullptr );
EDA_DRAW_PANEL_GAL::onPaint( aEvent );
}
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