355 lines
9.3 KiB
C++
355 lines
9.3 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) 2013-2015 CERN
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* @author Tomasz Wlostowski <tomasz.wlostowski@cern.ch>
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* @author Maciej Suminski <maciej.suminski@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 <wx/wx.h>
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#include <wx/frame.h>
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#include <wx/window.h>
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#include <wx/event.h>
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#include <wx/colour.h>
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#include <wx/filename.h>
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#include <confirm.h>
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#include <class_draw_panel_gal.h>
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#include <view/view.h>
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#include <view/wx_view_controls.h>
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#include <pcb_painter.h>
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#include <gal/graphics_abstraction_layer.h>
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#include <gal/opengl/opengl_gal.h>
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#include <gal/cairo/cairo_gal.h>
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#include <tool/tool_dispatcher.h>
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#include <tool/tool_manager.h>
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#include <boost/foreach.hpp>
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#ifdef __WXDEBUG__
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#include <profile.h>
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#endif /* __WXDEBUG__ */
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EDA_DRAW_PANEL_GAL::EDA_DRAW_PANEL_GAL( wxWindow* aParentWindow, wxWindowID aWindowId,
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const wxPoint& aPosition, const wxSize& aSize,
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GalType aGalType ) :
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wxScrolledCanvas( aParentWindow, aWindowId, aPosition, aSize )
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{
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m_parent = aParentWindow;
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m_gal = NULL;
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m_backend = GAL_TYPE_NONE;
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m_view = NULL;
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m_painter = NULL;
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m_eventDispatcher = NULL;
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m_lostFocus = false;
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SwitchBackend( aGalType );
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SetBackgroundStyle( wxBG_STYLE_CUSTOM );
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ShowScrollbars( wxSHOW_SB_ALWAYS, wxSHOW_SB_ALWAYS );
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EnableScrolling( false, false ); // otherwise Zoom Auto disables GAL canvas
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m_painter = new KIGFX::PCB_PAINTER( m_gal );
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m_view = new KIGFX::VIEW( true );
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m_view->SetPainter( m_painter );
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m_view->SetGAL( m_gal );
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Connect( wxEVT_SIZE, wxSizeEventHandler( EDA_DRAW_PANEL_GAL::onSize ), NULL, this );
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Connect( wxEVT_ENTER_WINDOW, wxEventHandler( EDA_DRAW_PANEL_GAL::onEnter ), NULL, this );
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Connect( wxEVT_KILL_FOCUS, wxFocusEventHandler( EDA_DRAW_PANEL_GAL::onLostFocus ), NULL, this );
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const wxEventType events[] =
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{
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wxEVT_LEFT_UP, wxEVT_LEFT_DOWN, wxEVT_LEFT_DCLICK,
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wxEVT_RIGHT_UP, wxEVT_RIGHT_DOWN, wxEVT_RIGHT_DCLICK,
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wxEVT_MIDDLE_UP, wxEVT_MIDDLE_DOWN, wxEVT_MIDDLE_DCLICK,
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wxEVT_MOTION, wxEVT_MOUSEWHEEL, wxEVT_CHAR,
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#ifdef USE_OSX_MAGNIFY_EVENT
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wxEVT_MAGNIFY,
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#endif
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KIGFX::WX_VIEW_CONTROLS::EVT_REFRESH_MOUSE
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};
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BOOST_FOREACH( wxEventType eventType, events )
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{
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Connect( eventType, wxEventHandler( EDA_DRAW_PANEL_GAL::onEvent ),
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NULL, m_eventDispatcher );
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}
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// View controls is the first in the event handler chain, so the Tool Framework operates
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// on updated viewport data.
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m_viewControls = new KIGFX::WX_VIEW_CONTROLS( m_view, this );
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// Set up timer that prevents too frequent redraw commands
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m_refreshTimer.SetOwner( this );
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m_pendingRefresh = false;
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m_drawing = false;
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Connect( wxEVT_TIMER, wxTimerEventHandler( EDA_DRAW_PANEL_GAL::onRefreshTimer ), NULL, this );
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}
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EDA_DRAW_PANEL_GAL::~EDA_DRAW_PANEL_GAL()
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{
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delete m_painter;
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delete m_viewControls;
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delete m_view;
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delete m_gal;
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}
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void EDA_DRAW_PANEL_GAL::onPaint( wxPaintEvent& WXUNUSED( aEvent ) )
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{
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m_pendingRefresh = false;
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if( m_drawing )
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return;
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m_drawing = true;
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m_viewControls->UpdateScrollbars();
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m_view->UpdateItems();
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m_gal->BeginDrawing();
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m_gal->ClearScreen( m_painter->GetSettings()->GetBackgroundColor() );
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if( m_view->IsDirty() )
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{
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m_view->ClearTargets();
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// Grid has to be redrawn only when the NONCACHED target is redrawn
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if( m_view->IsTargetDirty( KIGFX::TARGET_NONCACHED ) )
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m_gal->DrawGrid();
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m_view->Redraw();
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}
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m_gal->DrawCursor( m_viewControls->GetCursorPosition() );
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m_gal->EndDrawing();
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m_lastRefresh = wxGetLocalTimeMillis();
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m_drawing = false;
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}
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void EDA_DRAW_PANEL_GAL::onSize( wxSizeEvent& aEvent )
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{
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m_gal->ResizeScreen( aEvent.GetSize().x, aEvent.GetSize().y );
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m_view->MarkTargetDirty( KIGFX::TARGET_CACHED );
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m_view->MarkTargetDirty( KIGFX::TARGET_NONCACHED );
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}
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void EDA_DRAW_PANEL_GAL::Refresh( bool aEraseBackground, const wxRect* aRect )
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{
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if( m_pendingRefresh )
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return;
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wxLongLong t = wxGetLocalTimeMillis();
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wxLongLong delta = t - m_lastRefresh;
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if( delta >= MinRefreshPeriod )
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{
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ForceRefresh();
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m_pendingRefresh = true;
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}
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else
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{
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// One shot timer
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m_refreshTimer.Start( ( MinRefreshPeriod - delta ).ToLong(), true );
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m_pendingRefresh = true;
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}
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}
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void EDA_DRAW_PANEL_GAL::ForceRefresh()
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{
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wxPaintEvent redrawEvent;
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wxPostEvent( this, redrawEvent );
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}
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void EDA_DRAW_PANEL_GAL::SetEventDispatcher( TOOL_DISPATCHER* aEventDispatcher )
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{
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m_eventDispatcher = aEventDispatcher;
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#if wxCHECK_VERSION( 3, 0, 0 )
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const wxEventType eventTypes[] = { wxEVT_TOOL };
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#else
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const wxEventType eventTypes[] = { wxEVT_COMMAND_MENU_SELECTED, wxEVT_COMMAND_TOOL_CLICKED };
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#endif
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if( m_eventDispatcher )
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{
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BOOST_FOREACH( wxEventType type, eventTypes )
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{
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m_parent->Connect( type, wxCommandEventHandler( TOOL_DISPATCHER::DispatchWxCommand ),
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NULL, m_eventDispatcher );
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}
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}
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else
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{
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BOOST_FOREACH( wxEventType type, eventTypes )
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{
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// While loop is used to be sure that all event handlers are removed.
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while( m_parent->Disconnect( type,
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wxCommandEventHandler( TOOL_DISPATCHER::DispatchWxCommand ),
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NULL, m_eventDispatcher ) );
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}
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}
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}
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void EDA_DRAW_PANEL_GAL::StartDrawing()
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{
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m_drawing = false;
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m_pendingRefresh = true;
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Connect( wxEVT_PAINT, wxPaintEventHandler( EDA_DRAW_PANEL_GAL::onPaint ), NULL, this );
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wxPaintEvent redrawEvent;
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wxPostEvent( this, redrawEvent );
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}
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void EDA_DRAW_PANEL_GAL::StopDrawing()
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{
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m_pendingRefresh = false;
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m_drawing = true;
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m_refreshTimer.Stop();
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Disconnect( wxEVT_PAINT, wxPaintEventHandler( EDA_DRAW_PANEL_GAL::onPaint ), NULL, this );
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}
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void EDA_DRAW_PANEL_GAL::SetHighContrastLayer( LAYER_ID aLayer )
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{
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// Set display settings for high contrast mode
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KIGFX::RENDER_SETTINGS* rSettings = m_view->GetPainter()->GetSettings();
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SetTopLayer( aLayer );
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rSettings->ClearActiveLayers();
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rSettings->SetActiveLayer( aLayer );
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m_view->UpdateAllLayersColor();
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}
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void EDA_DRAW_PANEL_GAL::SetTopLayer( LAYER_ID aLayer )
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{
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m_view->ClearTopLayers();
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m_view->SetTopLayer( aLayer );
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m_view->UpdateAllLayersOrder();
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}
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double EDA_DRAW_PANEL_GAL::GetLegacyZoom() const
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{
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double zoomFactor = m_gal->GetWorldScale() / m_gal->GetZoomFactor();
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return ( 1.0 / ( zoomFactor * m_view->GetScale() ) );
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}
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bool EDA_DRAW_PANEL_GAL::SwitchBackend( GalType aGalType )
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{
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// Do not do anything if the currently used GAL is correct
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if( aGalType == m_backend && m_gal != NULL )
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return true;
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// Prevent refreshing canvas during backend switch
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StopDrawing();
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KIGFX::GAL* new_gal = NULL;
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try
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{
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switch( aGalType )
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{
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case GAL_TYPE_OPENGL:
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new_gal = new KIGFX::OPENGL_GAL( this, this, this );
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break;
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case GAL_TYPE_CAIRO:
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new_gal = new KIGFX::CAIRO_GAL( this, this, this );
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break;
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case GAL_TYPE_NONE:
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return false;
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}
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delete m_gal;
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m_gal = new_gal;
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wxSize size = GetClientSize();
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m_gal->ResizeScreen( size.GetX(), size.GetY() );
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if( m_painter )
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m_painter->SetGAL( m_gal );
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if( m_view )
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m_view->SetGAL( m_gal );
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m_backend = aGalType;
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}
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catch( std::runtime_error& err )
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{
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DisplayError( m_parent, wxString( err.what() ) );
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return false;
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}
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return true;
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}
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void EDA_DRAW_PANEL_GAL::onEvent( wxEvent& aEvent )
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{
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if( m_lostFocus )
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{
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SetFocus();
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m_lostFocus = false;
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}
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if( !m_eventDispatcher )
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aEvent.Skip();
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else
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m_eventDispatcher->DispatchWxEvent( aEvent );
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Refresh();
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}
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void EDA_DRAW_PANEL_GAL::onEnter( wxEvent& aEvent )
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{
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// Getting focus is necessary in order to receive key events properly
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SetFocus();
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}
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void EDA_DRAW_PANEL_GAL::onLostFocus( wxFocusEvent& aEvent )
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{
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m_lostFocus = true;
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}
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void EDA_DRAW_PANEL_GAL::onRefreshTimer( wxTimerEvent& aEvent )
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{
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wxPaintEvent redrawEvent;
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wxPostEvent( this, redrawEvent );
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}
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