614 lines
18 KiB
C++
614 lines
18 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) 2013-2017 CERN
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* Copyright (C) 2013-2021 KiCad Developers, see AUTHORS.txt for contributors.
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*
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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 <confirm.h>
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#include <eda_draw_frame.h>
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#include <kiface_base.h>
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#include <macros.h>
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#include <settings/app_settings.h>
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#include <trace_helpers.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 <painter.h>
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#include <base_screen.h>
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#include <gal/cursors.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 <widgets/infobar.h>
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#include <kiplatform/ui.h>
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#include <profile.h>
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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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KIGFX::GAL_DISPLAY_OPTIONS& aOptions, GAL_TYPE aGalType ) :
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wxScrolledCanvas( aParentWindow, aWindowId, aPosition, aSize ),
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m_edaFrame( nullptr ),
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m_gal( nullptr ),
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m_view( nullptr ),
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m_painter( nullptr ),
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m_viewControls( nullptr ),
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m_backend( GAL_TYPE_NONE ),
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m_options( aOptions ),
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m_eventDispatcher( nullptr ),
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m_lostFocus( false ),
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m_stealsFocus( true )
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{
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m_parent = aParentWindow;
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m_MouseCapturedLost = false;
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SetLayoutDirection( wxLayout_LeftToRight );
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m_edaFrame = dynamic_cast<EDA_DRAW_FRAME*>( m_parent );
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// If we're in a dialog, we have to go looking for our parent frame
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if( !m_edaFrame )
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{
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wxWindow* ancestor = aParentWindow->GetParent();
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while( ancestor && !dynamic_cast<EDA_DRAW_FRAME*>( ancestor ) )
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ancestor = ancestor->GetParent();
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if( ancestor )
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m_edaFrame = dynamic_cast<EDA_DRAW_FRAME*>( ancestor );
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}
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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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Connect( wxEVT_SIZE, wxSizeEventHandler( EDA_DRAW_PANEL_GAL::onSize ), nullptr, this );
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Connect( wxEVT_ENTER_WINDOW, wxMouseEventHandler( EDA_DRAW_PANEL_GAL::onEnter ), nullptr,
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this );
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Connect( wxEVT_KILL_FOCUS, wxFocusEventHandler( EDA_DRAW_PANEL_GAL::onLostFocus ), nullptr,
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this );
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const wxEventType events[] = {
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// Binding both EVT_CHAR and EVT_CHAR_HOOK ensures that all key events,
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// especially special key like arrow keys, are handled by the GAL event dispatcher,
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// and not sent to GUI without filtering, because they have a default action (scroll)
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// that must not be called.
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wxEVT_LEFT_UP,
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wxEVT_LEFT_DOWN,
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wxEVT_LEFT_DCLICK,
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wxEVT_RIGHT_UP,
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wxEVT_RIGHT_DOWN,
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wxEVT_RIGHT_DCLICK,
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wxEVT_MIDDLE_UP,
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wxEVT_MIDDLE_DOWN,
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wxEVT_MIDDLE_DCLICK,
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wxEVT_MOTION,
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wxEVT_MOUSEWHEEL,
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wxEVT_CHAR,
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wxEVT_CHAR_HOOK,
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#if wxCHECK_VERSION( 3, 1, 0 ) || defined( 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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for( wxEventType eventType : events )
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Connect( eventType, wxEventHandler( EDA_DRAW_PANEL_GAL::OnEvent ), nullptr,
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m_eventDispatcher );
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m_pendingRefresh = false;
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m_drawing = false;
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m_drawingEnabled = false;
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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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Connect( m_refreshTimer.GetId(), wxEVT_TIMER,
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wxTimerEventHandler( EDA_DRAW_PANEL_GAL::onRefreshTimer ), nullptr, this );
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// Set up timer to execute OnShow() method when the window appears on the screen
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m_onShowTimer.SetOwner( this );
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Connect( m_onShowTimer.GetId(), wxEVT_TIMER,
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wxTimerEventHandler( EDA_DRAW_PANEL_GAL::onShowTimer ), nullptr, this );
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m_onShowTimer.Start( 10 );
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}
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EDA_DRAW_PANEL_GAL::~EDA_DRAW_PANEL_GAL()
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{
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StopDrawing();
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wxASSERT( !m_drawing );
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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::SetFocus()
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{
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wxScrolledCanvas::SetFocus();
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m_lostFocus = false;
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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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DoRePaint();
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}
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void EDA_DRAW_PANEL_GAL::DoRePaint()
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{
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// Repaint the canvas, and fix scrollbar cursors
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// Usually called by a OnPaint event, but because it does not use a wxPaintDC,
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// it can be called outside a wxPaintEvent.
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// Update current zoom settings if the canvas is managed by a EDA frame
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// (i.e. not by a preview panel in a dialog)
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if( !IsDialogPreview() && GetParentEDAFrame() && GetParentEDAFrame()->GetScreen() )
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GetParentEDAFrame()->GetScreen()->m_ScrollCenter = GetView()->GetCenter();
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m_viewControls->UpdateScrollbars();
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if( !m_gal->IsVisible() )
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return;
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m_pendingRefresh = false;
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if( m_drawing )
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return;
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wxASSERT( m_painter );
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m_drawing = true;
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KIGFX::RENDER_SETTINGS* settings =
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static_cast<KIGFX::RENDER_SETTINGS*>( m_painter->GetSettings() );
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PROF_COUNTER cntUpd("view-upd-items");
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PROF_COUNTER cntTotal("view-total");
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PROF_COUNTER cntDraw("view-draw");
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PROF_COUNTER cntCtx("view-context-create");
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PROF_COUNTER cntCtxDestroy("view-context-destroy");
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PROF_COUNTER cntRedraw("view-redraw-rects");
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bool isDirty = false;
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cntTotal.Start();
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try
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{
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cntUpd.Start();
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m_view->UpdateItems();
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cntUpd.Stop();
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cntCtx.Start();
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int cookie = rand();
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m_gal->LockContext( cookie );
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m_gal->BeginDrawing();
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cntCtx.Stop();
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if( m_view->IsTargetDirty( KIGFX::TARGET_OVERLAY )
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&& !m_gal->HasTarget( KIGFX::TARGET_OVERLAY ) )
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{
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m_view->MarkDirty();
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}
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m_gal->SetClearColor( settings->GetBackgroundColor() );
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m_gal->SetGridColor( settings->GetGridColor() );
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m_gal->SetCursorColor( settings->GetCursorColor() );
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// TODO: find why ClearScreen() must be called here in opengl mode
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// and only if m_view->IsDirty() in Cairo mode to avoid display artifacts
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// when moving the mouse cursor
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if( m_backend == GAL_TYPE_OPENGL )
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m_gal->ClearScreen();
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if( m_view->IsDirty() )
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{
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if( m_backend != GAL_TYPE_OPENGL && // Already called in opengl
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m_view->IsTargetDirty( KIGFX::TARGET_NONCACHED ) )
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m_gal->ClearScreen();
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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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cntRedraw.Start();
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m_view->Redraw();
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cntRedraw.Stop();
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isDirty = true;
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}
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m_gal->DrawCursor( m_viewControls->GetCursorPosition() );
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cntCtxDestroy.Start();
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m_gal->EndDrawing();
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m_gal->UnlockContext( cookie );
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cntCtxDestroy.Stop();
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}
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catch( std::exception& err )
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{
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if( GAL_FALLBACK != m_backend )
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{
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SwitchBackend( GAL_FALLBACK );
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DisplayInfoMessage( m_parent,
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_( "Could not use OpenGL, falling back to software rendering" ),
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wxString( err.what() ) );
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}
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else
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{
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// We're well and truly banjaxed if we get here without a fallback.
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DisplayInfoMessage( m_parent, _( "Could not use OpenGL" ), wxString( err.what() ) );
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}
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}
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if( isDirty )
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{
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KI_TRACE( traceGalProfile, "View timing: %s %s %s %s %s %s\n",
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cntTotal.to_string(),
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cntUpd.to_string(),
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cntDraw.to_string(),
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cntCtx.to_string(),
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cntCtxDestroy.to_string(),
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cntRedraw.to_string()
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);
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}
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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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// If we get a second wx update call before the first finishes, don't crash
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if( m_gal->IsContextLocked() )
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return;
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KIGFX::GAL_CONTEXT_LOCKER locker( m_gal );
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wxSize clientSize = GetClientSize();
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WX_INFOBAR* infobar = GetParentEDAFrame() ? GetParentEDAFrame()->GetInfoBar() : nullptr;
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if( VECTOR2I( clientSize ) == m_gal->GetScreenPixelSize() )
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return;
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clientSize.x = std::max( 10, clientSize.x );
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clientSize.y = std::max( 10, clientSize.y );
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VECTOR2D bottom( 0, 0 );
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if( m_view )
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bottom = m_view->ToWorld( m_gal->GetScreenPixelSize(), true );
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m_gal->ResizeScreen( clientSize.GetX(), clientSize.GetY() );
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if( m_view )
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{
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if( infobar && infobar->IsLocked() )
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m_view->SetCenter( bottom - m_view->ToWorld( clientSize, false ) / 2.0 );
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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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}
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void EDA_DRAW_PANEL_GAL::Refresh( bool aEraseBackground, const wxRect* aRect )
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{
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wxLongLong t = wxGetLocalTimeMillis();
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wxLongLong delta = t - m_lastRefresh;
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// If it has been too long since the last frame (possible depending on platform timer latency),
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// just do a refresh. Otherwise, start the refresh timer if it hasn't already been started.
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// This ensures that we will render often enough but not too often.
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if( delta >= MinRefreshPeriod )
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{
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if( !m_pendingRefresh )
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ForceRefresh();
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m_refreshTimer.Start( MinRefreshPeriod, true );
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}
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else if( !m_refreshTimer.IsRunning() )
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{
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m_refreshTimer.Start( ( MinRefreshPeriod - delta ).ToLong(), 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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m_pendingRefresh = true;
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DoRePaint();
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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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}
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void EDA_DRAW_PANEL_GAL::StartDrawing()
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{
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// Start querying GAL if it is ready
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m_refreshTimer.StartOnce( 100 );
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}
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void EDA_DRAW_PANEL_GAL::StopDrawing()
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{
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m_drawingEnabled = false;
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Disconnect( wxEVT_PAINT, wxPaintEventHandler( EDA_DRAW_PANEL_GAL::onPaint ), nullptr, this );
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m_pendingRefresh = false;
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m_refreshTimer.Stop();
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}
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void EDA_DRAW_PANEL_GAL::SetHighContrastLayer( int 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->ClearHighContrastLayers();
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rSettings->SetLayerIsHighContrast( aLayer );
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m_view->UpdateAllLayersColor();
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}
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void EDA_DRAW_PANEL_GAL::SetTopLayer( int 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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bool EDA_DRAW_PANEL_GAL::SwitchBackend( GAL_TYPE 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 != nullptr )
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return true;
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VECTOR2D grid_size = m_gal ? m_gal->GetGridSize() : VECTOR2D();
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bool grid_visibility = m_gal ? m_gal->GetGridVisibility() : true;
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bool result = true; // assume everything will be fine
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// Prevent refreshing canvas during backend switch
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StopDrawing();
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KIGFX::GAL* new_gal = nullptr;
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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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{
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wxString errormsg = KIGFX::OPENGL_GAL::CheckFeatures( m_options );
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if( errormsg.empty() )
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{
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new_gal = new KIGFX::OPENGL_GAL( m_options, this, this, this );
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}
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else
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{
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if( GAL_FALLBACK != aGalType )
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{
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aGalType = GAL_FALLBACK;
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DisplayInfoMessage(
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m_parent,
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_( "Could not use OpenGL, falling back to software rendering" ),
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errormsg );
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new_gal = new KIGFX::CAIRO_GAL( m_options, this, this, this );
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}
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else
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{
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// We're well and truly banjaxed if we get here without a fallback.
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DisplayInfoMessage( m_parent, _( "Could not use OpenGL" ), errormsg );
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}
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}
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break;
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}
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case GAL_TYPE_CAIRO: new_gal = new KIGFX::CAIRO_GAL( m_options, this, this, this ); break;
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default:
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wxASSERT( false );
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KI_FALLTHROUGH;
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// warn about unhandled GAL canvas type, but continue with the fallback option
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case GAL_TYPE_NONE:
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// KIGFX::GAL is a stub - it actually does cannot display anything,
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// but prevents code relying on GAL canvas existence from crashing
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new_gal = new KIGFX::GAL( m_options );
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break;
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}
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}
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catch( std::runtime_error& err )
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{
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// Create a dummy GAL
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new_gal = new KIGFX::GAL( m_options );
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aGalType = GAL_TYPE_NONE;
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DisplayError( m_parent, wxString( err.what() ) );
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result = false;
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}
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// trigger update of the gal options in case they differ from the defaults
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m_options.NotifyChanged();
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delete m_gal;
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m_gal = new_gal;
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wxSize clientSize = GetClientSize();
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clientSize.x = std::max( 10, clientSize.x );
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clientSize.y = std::max( 10, clientSize.y );
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m_gal->ResizeScreen( clientSize.GetX(), clientSize.GetY() );
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if( grid_size.x > 0 && grid_size.y > 0 )
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m_gal->SetGridSize( grid_size );
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m_gal->SetGridVisibility( grid_visibility );
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// Make sure the cursor is set on the new canvas
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SetCurrentCursor( KICURSOR::ARROW );
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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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{
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m_view->SetGAL( m_gal );
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// Note: OpenGL requires reverse draw order when draw priority is enabled
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m_view->ReverseDrawOrder( aGalType == GAL_TYPE_OPENGL );
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}
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m_backend = aGalType;
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return result;
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}
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void EDA_DRAW_PANEL_GAL::OnEvent( wxEvent& aEvent )
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{
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bool shouldSetFocus = m_lostFocus && m_stealsFocus
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&& !KIUI::IsInputControlFocused() // Don't steal from input controls
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&& !KIUI::IsModalDialogFocused() // Don't steal from dialogs
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&& KIPLATFORM::UI::IsWindowActive( m_edaFrame ); // Don't steal from other windows
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if( shouldSetFocus )
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SetFocus();
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|
|
if( !m_eventDispatcher )
|
|
aEvent.Skip();
|
|
else
|
|
m_eventDispatcher->DispatchWxEvent( aEvent );
|
|
|
|
Refresh();
|
|
}
|
|
|
|
|
|
void EDA_DRAW_PANEL_GAL::onEnter( wxMouseEvent& aEvent )
|
|
{
|
|
bool shouldSetFocus = m_stealsFocus
|
|
&& !KIUI::IsInputControlFocused() // Don't steal from input controls
|
|
&& !KIUI::IsModalDialogFocused() // Don't steal from dialogs
|
|
&& KIPLATFORM::UI::IsWindowActive( m_edaFrame ); // Don't steal from other windows
|
|
|
|
// Getting focus is necessary in order to receive key events properly
|
|
if( shouldSetFocus )
|
|
SetFocus();
|
|
|
|
aEvent.Skip();
|
|
}
|
|
|
|
|
|
void EDA_DRAW_PANEL_GAL::onLostFocus( wxFocusEvent& aEvent )
|
|
{
|
|
m_lostFocus = true;
|
|
|
|
m_viewControls->CancelDrag();
|
|
|
|
aEvent.Skip();
|
|
}
|
|
|
|
|
|
void EDA_DRAW_PANEL_GAL::onRefreshTimer( wxTimerEvent& aEvent )
|
|
{
|
|
if( !m_drawingEnabled )
|
|
{
|
|
if( m_gal && m_gal->IsInitialized() )
|
|
{
|
|
m_drawing = false;
|
|
m_pendingRefresh = true;
|
|
Connect( wxEVT_PAINT, wxPaintEventHandler( EDA_DRAW_PANEL_GAL::onPaint ), nullptr,
|
|
this );
|
|
m_drawingEnabled = true;
|
|
}
|
|
else
|
|
{
|
|
// Try again soon
|
|
m_refreshTimer.StartOnce( 100 );
|
|
return;
|
|
}
|
|
}
|
|
|
|
DoRePaint();
|
|
}
|
|
|
|
|
|
void EDA_DRAW_PANEL_GAL::onShowTimer( wxTimerEvent& aEvent )
|
|
{
|
|
if( m_gal && m_gal->IsVisible() )
|
|
{
|
|
m_onShowTimer.Stop();
|
|
OnShow();
|
|
}
|
|
}
|
|
|
|
|
|
void EDA_DRAW_PANEL_GAL::SetCurrentCursor( KICURSOR aCursor )
|
|
{
|
|
if( m_gal )
|
|
m_gal->SetNativeCursorStyle( aCursor );
|
|
}
|
|
|
|
|
|
std::shared_ptr<KIGFX::VIEW_OVERLAY> EDA_DRAW_PANEL_GAL::DebugOverlay()
|
|
{
|
|
if( !m_debugOverlay )
|
|
{
|
|
m_debugOverlay.reset( new KIGFX::VIEW_OVERLAY() );
|
|
m_view->Add( m_debugOverlay.get() );
|
|
}
|
|
|
|
return m_debugOverlay;
|
|
}
|
|
|
|
|
|
void EDA_DRAW_PANEL_GAL::ClearDebugOverlay()
|
|
{
|
|
if( m_debugOverlay )
|
|
{
|
|
m_view->Remove( m_debugOverlay.get() );
|
|
m_debugOverlay = nullptr;
|
|
}
|
|
}
|