kicad/common/drawpanel_gal.cpp

269 lines
7.7 KiB
C++

/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2013 CERN
* @author Tomasz Wlostowski <tomasz.wlostowski@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 <wx/wx.h>
#include <wx/frame.h>
#include <wx/window.h>
#include <wx/event.h>
#include <wx/colour.h>
#include <wx/filename.h>
#include <class_drawpanel_gal.h>
#include <view/view.h>
#include <view/wx_view_controls.h>
#include <pcb_painter.h>
#include <gal/graphics_abstraction_layer.h>
#include <gal/opengl/opengl_gal.h>
#include <gal/cairo/cairo_gal.h>
#include <tool/tool_dispatcher.h>
#include <tool/tool_manager.h>
#ifdef __WXDEBUG__
#include <profile.h>
#endif /* __WXDEBUG__ */
#define METRIC_UNIT_LENGTH (1e9)
EDA_DRAW_PANEL_GAL::EDA_DRAW_PANEL_GAL( wxWindow* aParentWindow, wxWindowID aWindowId,
const wxPoint& aPosition, const wxSize& aSize,
GalType aGalType ) :
wxWindow( aParentWindow, aWindowId, aPosition, aSize )
{
m_gal = NULL;
m_currentGal = GAL_TYPE_NONE;
m_view = NULL;
m_painter = NULL;
m_eventDispatcher = NULL;
SwitchBackend( aGalType );
SetBackgroundStyle( wxBG_STYLE_CUSTOM );
// Initial display settings
m_gal->SetLookAtPoint( VECTOR2D( 0, 0 ) );
m_gal->SetZoomFactor( 1.0 );
m_gal->ComputeWorldScreenMatrix();
m_painter = new KIGFX::PCB_PAINTER( m_gal );
m_view = new KIGFX::VIEW( true );
m_view->SetPainter( m_painter );
m_view->SetGAL( m_gal );
m_viewControls = new KIGFX::WX_VIEW_CONTROLS( m_view, this );
Connect( wxEVT_PAINT, wxPaintEventHandler( EDA_DRAW_PANEL_GAL::onPaint ), NULL, this );
Connect( wxEVT_SIZE, wxSizeEventHandler( EDA_DRAW_PANEL_GAL::onSize ), NULL, this );
/* Generic events for the Tool Dispatcher */
Connect( wxEVT_MOTION, wxEventHandler( EDA_DRAW_PANEL_GAL::onEvent ), NULL, this );
Connect( wxEVT_LEFT_UP, wxEventHandler( EDA_DRAW_PANEL_GAL::onEvent ), NULL, this );
Connect( wxEVT_LEFT_DOWN, wxEventHandler( EDA_DRAW_PANEL_GAL::onEvent ), NULL, this );
Connect( wxEVT_RIGHT_UP, wxEventHandler( EDA_DRAW_PANEL_GAL::onEvent ), NULL, this );
Connect( wxEVT_RIGHT_DOWN, wxEventHandler( EDA_DRAW_PANEL_GAL::onEvent ), NULL, this );
Connect( wxEVT_MIDDLE_UP, wxEventHandler( EDA_DRAW_PANEL_GAL::onEvent ), NULL, this );
Connect( wxEVT_MIDDLE_DOWN, wxEventHandler( EDA_DRAW_PANEL_GAL::onEvent ), NULL, this );
Connect( wxEVT_MOUSEWHEEL, wxEventHandler( EDA_DRAW_PANEL_GAL::onEvent ), NULL, this );
Connect( wxEVT_CHAR_HOOK, wxEventHandler( EDA_DRAW_PANEL_GAL::skipEvent ) );
Connect( wxEVT_KEY_UP, wxEventHandler( EDA_DRAW_PANEL_GAL::onEvent ), NULL, this );
Connect( wxEVT_KEY_DOWN, wxEventHandler( EDA_DRAW_PANEL_GAL::onEvent ), NULL, this );
Connect( wxEVT_ENTER_WINDOW, wxEventHandler( EDA_DRAW_PANEL_GAL::onEnter ), NULL, this );
Connect( KIGFX::WX_VIEW_CONTROLS::EVT_REFRESH_MOUSE,
wxEventHandler( EDA_DRAW_PANEL_GAL::onEvent ), NULL, this );
// Set up timer that prevents too frequent redraw commands
m_refreshTimer.SetOwner( this );
m_pendingRefresh = false;
m_drawing = false;
Connect( wxEVT_TIMER, wxTimerEventHandler( EDA_DRAW_PANEL_GAL::onRefreshTimer ), NULL, this );
this->SetFocus();
}
EDA_DRAW_PANEL_GAL::~EDA_DRAW_PANEL_GAL()
{
if( m_painter )
delete m_painter;
if( m_viewControls )
delete m_viewControls;
if( m_view )
delete m_view;
if( m_gal )
delete m_gal;
}
void EDA_DRAW_PANEL_GAL::onPaint( wxPaintEvent& WXUNUSED( aEvent ) )
{
m_pendingRefresh = false;
m_lastRefresh = wxGetLocalTimeMillis();
if( !m_drawing )
{
m_drawing = true;
m_gal->BeginDrawing();
m_gal->SetBackgroundColor( KIGFX::COLOR4D( 0.0, 0.0, 0.0, 1.0 ) );
m_gal->ClearScreen();
m_view->ClearTargets();
// Grid has to be redrawn only when the NONCACHED target is redrawn
if( m_view->IsTargetDirty( KIGFX::TARGET_NONCACHED ) )
m_gal->DrawGrid();
m_view->Redraw();
m_gal->DrawCursor( m_viewControls->GetCursorPosition() );
m_gal->EndDrawing();
m_drawing = false;
}
}
void EDA_DRAW_PANEL_GAL::onSize( wxSizeEvent& aEvent )
{
m_gal->ResizeScreen( aEvent.GetSize().x, aEvent.GetSize().y );
m_view->MarkTargetDirty( KIGFX::TARGET_CACHED );
m_view->MarkTargetDirty( KIGFX::TARGET_NONCACHED );
}
void EDA_DRAW_PANEL_GAL::onRefreshTimer( wxTimerEvent& aEvent )
{
wxPaintEvent redrawEvent;
wxPostEvent( this, redrawEvent );
}
void EDA_DRAW_PANEL_GAL::Refresh( bool eraseBackground, const wxRect* rect )
{
if( m_pendingRefresh )
return;
wxLongLong t = wxGetLocalTimeMillis();
wxLongLong delta = t - m_lastRefresh;
if( delta >= MinRefreshPeriod )
{
wxPaintEvent redrawEvent;
wxPostEvent( this, redrawEvent );
m_pendingRefresh = true;
}
else
{
// One shot timer
m_refreshTimer.Start( ( MinRefreshPeriod - delta ).ToLong(), true );
m_pendingRefresh = true;
}
}
void EDA_DRAW_PANEL_GAL::StopDrawing()
{
Disconnect( wxEVT_PAINT, wxPaintEventHandler( EDA_DRAW_PANEL_GAL::onPaint ), NULL, this );
m_refreshTimer.Stop();
}
void EDA_DRAW_PANEL_GAL::SwitchBackend( GalType aGalType )
{
// Protect from refreshing during backend switch
m_pendingRefresh = true;
m_refreshTimer.Stop();
// Do not do anything if the currently used GAL is correct
if( aGalType == m_currentGal && m_gal != NULL )
return;
delete m_gal;
switch( aGalType )
{
case GAL_TYPE_OPENGL:
m_gal = new KIGFX::OPENGL_GAL( this, this, this );
break;
case GAL_TYPE_CAIRO:
m_gal = new KIGFX::CAIRO_GAL( this, this, this );
break;
case GAL_TYPE_NONE:
return;
}
m_gal->SetWorldUnitLength( 1.0 / METRIC_UNIT_LENGTH * 2.54 ); // 1 inch in nanometers
m_gal->SetScreenDPI( 106 ); // Display resolution setting
m_gal->ComputeWorldScreenMatrix();
wxSize size = GetClientSize();
m_gal->ResizeScreen( size.GetX(), size.GetY() );
if( m_painter )
m_painter->SetGAL( m_gal );
if( m_view )
{
m_view->SetGAL( m_gal );
m_view->RecacheAllItems( true );
}
m_currentGal = aGalType;
m_pendingRefresh = false;
}
void EDA_DRAW_PANEL_GAL::onEvent( wxEvent& aEvent )
{
if( !m_eventDispatcher )
{
aEvent.Skip();
return;
}
else
{
m_eventDispatcher->DispatchWxEvent( aEvent );
}
Refresh();
}
void EDA_DRAW_PANEL_GAL::onEnter( wxEvent& aEvent )
{
// Getting focus is necessary in order to receive key events properly
SetFocus();
}
void EDA_DRAW_PANEL_GAL::skipEvent( wxEvent& aEvent )
{
// This is necessary for CHAR_HOOK event to generate KEY_UP and KEY_DOWN events
aEvent.Skip();
}