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kicad/common/draw_panel_gal.cpp

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2013-2014 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_draw_panel_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>
#include <boost/foreach.hpp>
#ifdef __WXDEBUG__
#include <profile.h>
#endif /* __WXDEBUG__ */
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_parent = aParentWindow;
m_gal = NULL;
m_backend = GAL_TYPE_NONE;
m_view = NULL;
m_painter = NULL;
m_eventDispatcher = NULL;
SwitchBackend( aGalType );
SetBackgroundStyle( wxBG_STYLE_CUSTOM );
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_SIZE, wxSizeEventHandler( EDA_DRAW_PANEL_GAL::onSize ), NULL, this );
Connect( wxEVT_ENTER_WINDOW, wxEventHandler( EDA_DRAW_PANEL_GAL::onEnter ), NULL, 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, wxEVT_CHAR, KIGFX::WX_VIEW_CONTROLS::EVT_REFRESH_MOUSE
};
BOOST_FOREACH( wxEventType eventType, events )
{
Connect( eventType, wxEventHandler( EDA_DRAW_PANEL_GAL::onEvent ),
NULL, m_eventDispatcher );
}
// 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 );
}
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_view->UpdateItems();
m_gal->BeginDrawing();
m_gal->ClearScreen( m_painter->GetSettings()->GetBackgroundColor() );
if( m_view->IsDirty() )
{
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 aEraseBackground, const wxRect* aRect )
{
if( m_pendingRefresh )
return;
wxLongLong t = wxGetLocalTimeMillis();
wxLongLong delta = t - m_lastRefresh;
if( delta >= MinRefreshPeriod )
{
ForceRefresh();
m_pendingRefresh = true;
}
else
{
// One shot timer
m_refreshTimer.Start( ( MinRefreshPeriod - delta ).ToLong(), true );
m_pendingRefresh = true;
}
}
void EDA_DRAW_PANEL_GAL::ForceRefresh()
{
wxPaintEvent redrawEvent;
wxPostEvent( this, redrawEvent );
}
void EDA_DRAW_PANEL_GAL::SetEventDispatcher( TOOL_DISPATCHER* aEventDispatcher )
{
m_eventDispatcher = aEventDispatcher;
#if wxCHECK_VERSION( 3, 0, 0 )
if( m_eventDispatcher )
{
m_parent->Connect( wxEVT_TOOL,
wxCommandEventHandler( TOOL_DISPATCHER::DispatchWxCommand ),
NULL, m_eventDispatcher );
}
else
{
// While loops are used to be sure, that we are removing all event handlers
while( m_parent->Disconnect( wxEVT_TOOL,
wxCommandEventHandler( TOOL_DISPATCHER::DispatchWxCommand ),
NULL, m_eventDispatcher ) );
}
#else
if( m_eventDispatcher )
{
m_parent->Connect( wxEVT_COMMAND_MENU_SELECTED,
wxCommandEventHandler( TOOL_DISPATCHER::DispatchWxCommand ),
NULL, m_eventDispatcher );
m_parent->Connect( wxEVT_COMMAND_TOOL_CLICKED,
wxCommandEventHandler( TOOL_DISPATCHER::DispatchWxCommand ),
NULL, m_eventDispatcher );
}
else
{
// While loops are used to be sure, that we are removing all event handlers
while( m_parent->Disconnect( wxEVT_COMMAND_MENU_SELECTED,
wxCommandEventHandler( TOOL_DISPATCHER::DispatchWxCommand ),
NULL, m_eventDispatcher ) );
while( m_parent->Disconnect( wxEVT_COMMAND_TOOL_CLICKED,
wxCommandEventHandler( TOOL_DISPATCHER::DispatchWxCommand ),
NULL, m_eventDispatcher ) );
}
#endif
}
void EDA_DRAW_PANEL_GAL::StartDrawing()
{
m_pendingRefresh = false;
Connect( wxEVT_PAINT, wxPaintEventHandler( EDA_DRAW_PANEL_GAL::onPaint ), NULL, this );
wxPaintEvent redrawEvent;
wxPostEvent( this, redrawEvent );
}
void EDA_DRAW_PANEL_GAL::StopDrawing()
{
m_pendingRefresh = true;
m_refreshTimer.Stop();
Disconnect( wxEVT_PAINT, wxPaintEventHandler( EDA_DRAW_PANEL_GAL::onPaint ), NULL, this );
}
void EDA_DRAW_PANEL_GAL::SetHighContrastLayer( LAYER_ID aLayer )
{
// Set display settings for high contrast mode
KIGFX::RENDER_SETTINGS* rSettings = m_view->GetPainter()->GetSettings();
SetTopLayer( aLayer );
rSettings->ClearActiveLayers();
rSettings->SetActiveLayer( aLayer );
m_view->UpdateAllLayersColor();
}
void EDA_DRAW_PANEL_GAL::SetTopLayer( LAYER_ID aLayer )
{
m_view->ClearTopLayers();
m_view->SetTopLayer( aLayer );
m_view->UpdateAllLayersOrder();
}
void EDA_DRAW_PANEL_GAL::SwitchBackend( GalType aGalType )
{
// Do not do anything if the currently used GAL is correct
if( aGalType == m_backend && m_gal != NULL )
return;
// Prevent refreshing canvas during backend switch
StopDrawing();
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;
}
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_backend = aGalType;
}
void EDA_DRAW_PANEL_GAL::onEvent( wxEvent& aEvent )
{
if( !m_eventDispatcher )
aEvent.Skip();
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();
}
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