kicad/eeschema/sch_draw_panel.cpp

335 lines
10 KiB
C++

/*
* 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 <view/wx_view_controls.h>
#include <worksheet_viewitem.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 <tool/tool_manager.h>
#include <tool/actions.h>
#include <functional>
#include <sch_sheet.h>
#include <pgm_base.h>
#include <tools/ee_actions.h>
#include <tools/ee_selection_tool.h>
using namespace std::placeholders;
// Events used by EDA_DRAW_PANEL
BEGIN_EVENT_TABLE( SCH_DRAW_PANEL, wxScrolledCanvas )
EVT_CHAR( SCH_DRAW_PANEL::OnKeyEvent )
EVT_CHAR_HOOK( SCH_DRAW_PANEL::OnCharHook )
EVT_PAINT( SCH_DRAW_PANEL::onPaint )
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 );
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_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_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_SCREEN *aScreen )
{
view()->Clear();
if( aScreen )
view()->DisplaySheet( const_cast<SCH_SCREEN*>( aScreen ) );
}
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::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 )
{
SCH_BASE_FRAME* frame = (SCH_BASE_FRAME*) m_parent;
int localkey = event.GetKeyCode();
bool keyWasHandled = false;
if( localkey == WXK_ESCAPE )
{
m_abortRequest = true;
if( frame->IsModal() )
frame->DismissModal( wxID_CANCEL );
else
GetParent()->GetToolManager()->RunAction( ACTIONS::cancelInteractive, true );
keyWasHandled = true; // The key is captured: the key event will be not skipped
}
/* 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 );
}