kicad/common/tool/common_tools.cpp

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2014-2016 CERN
* @author Maciej Suminski <maciej.suminski@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 <tool/actions.h>
#include <draw_frame.h>
#include <class_draw_panel_gal.h>
#include <view/view.h>
#include <view/view_controls.h>
#include <gal/graphics_abstraction_layer.h>
#include <class_base_screen.h>
#include <tool/common_tools.h>
static TOOL_ACTION ACT_toggleCursor( "common.Control.toggleCursor",
AS_GLOBAL, MD_CTRL + MD_SHIFT + 'X',
_( "Toggle Always Show Cursor" ),
_( "Toogle display of the cursor, even when not in an interactive tool" ) );
COMMON_TOOLS::COMMON_TOOLS() :
TOOL_INTERACTIVE( "common.Control" ), m_frame( NULL )
{
}
COMMON_TOOLS::~COMMON_TOOLS()
{
}
void COMMON_TOOLS::Reset( RESET_REASON aReason )
{
m_frame = getEditFrame<EDA_DRAW_FRAME>();
}
int COMMON_TOOLS::ZoomInOut( const TOOL_EVENT& aEvent )
{
KIGFX::VIEW* view = m_frame->GetGalCanvas()->GetView();
KIGFX::VIEW_CONTROLS* ctls = getViewControls();
double zoomScale = 1.0;
if( aEvent.IsAction( &ACTIONS::zoomIn ) )
zoomScale = 1.3;
else if( aEvent.IsAction( &ACTIONS::zoomOut ) )
zoomScale = 1/1.3;
view->SetScale( view->GetScale() * zoomScale, getViewControls()->GetCursorPosition() );
if( ctls->IsCursorWarpingEnabled() )
ctls->CenterOnCursor();
return 0;
}
int COMMON_TOOLS::ZoomInOutCenter( const TOOL_EVENT& aEvent )
{
KIGFX::VIEW* view = getView();
double zoomScale = 1.0;
if( aEvent.IsAction( &ACTIONS::zoomInCenter ) )
zoomScale = 1.3;
else if( aEvent.IsAction( &ACTIONS::zoomOutCenter ) )
zoomScale = 1/1.3;
view->SetScale( view->GetScale() * zoomScale );
return 0;
}
int COMMON_TOOLS::ZoomCenter( const TOOL_EVENT& aEvent )
{
KIGFX::VIEW_CONTROLS* ctls = getViewControls();
ctls->CenterOnCursor();
return 0;
}
int COMMON_TOOLS::ZoomFitScreen( const TOOL_EVENT& aEvent )
{
KIGFX::VIEW* view = getView();
EDA_DRAW_PANEL_GAL* galCanvas = m_frame->GetGalCanvas();
EDA_ITEM* model = getModel<EDA_ITEM>();
BOX2I bBox = model->ViewBBox();
VECTOR2D scrollbarSize = VECTOR2D( galCanvas->GetSize() - galCanvas->GetClientSize() );
VECTOR2D screenSize = view->ToWorld( galCanvas->GetClientSize(), false );
if( bBox.GetWidth() == 0 || bBox.GetHeight() == 0 )
{
// Empty view
view->SetScale( 17.0 ); // works fine for the standard worksheet frame
view->SetCenter( screenSize / 2.0 );
}
else
{
VECTOR2D vsize = bBox.GetSize();
double scale = view->GetScale() / std::max( fabs( vsize.x / screenSize.x ),
fabs( vsize.y / screenSize.y ) );
view->SetScale( scale );
view->SetCenter( bBox.Centre() );
}
// Take scrollbars into account
VECTOR2D worldScrollbarSize = view->ToWorld( scrollbarSize, false );
view->SetCenter( view->GetCenter() + worldScrollbarSize / 2.0 );
return 0;
}
int COMMON_TOOLS::ZoomPreset( const TOOL_EVENT& aEvent )
{
unsigned int idx = aEvent.Parameter<intptr_t>();
std::vector<double>& zoomList = m_frame->GetScreen()->m_ZoomList;
KIGFX::VIEW* view = m_frame->GetGalCanvas()->GetView();
KIGFX::GAL* gal = m_frame->GetGalCanvas()->GetGAL();
m_frame->SetPresetZoom( idx );
if( idx == 0 ) // Zoom Auto
{
return ZoomFitScreen( aEvent );
}
else if( idx >= zoomList.size() )
{
assert( false );
return 0;
}
double selectedZoom = zoomList[idx];
double zoomFactor = gal->GetWorldScale() / gal->GetZoomFactor();
view->SetScale( 1.0 / ( zoomFactor * selectedZoom ) );
return 0;
}
// Grid control
int COMMON_TOOLS::GridNext( const TOOL_EVENT& aEvent )
{
m_frame->SetNextGrid();
updateGrid();
return 0;
}
int COMMON_TOOLS::GridPrev( const TOOL_EVENT& aEvent )
{
m_frame->SetPrevGrid();
updateGrid();
return 0;
}
int COMMON_TOOLS::GridPreset( const TOOL_EVENT& aEvent )
{
long idx = aEvent.Parameter<intptr_t>();
m_frame->SetPresetGrid( idx );
updateGrid();
return 0;
}
int COMMON_TOOLS::ToggleCursor( const TOOL_EVENT& aEvent )
{
auto& galOpts = m_frame->GetGalDisplayOptions();
galOpts.m_forceDisplayCursor = !galOpts.m_forceDisplayCursor;
galOpts.NotifyChanged();
return 0;
}
void COMMON_TOOLS::setTransitions()
{
Go( &COMMON_TOOLS::ZoomInOut, ACTIONS::zoomIn.MakeEvent() );
Go( &COMMON_TOOLS::ZoomInOut, ACTIONS::zoomOut.MakeEvent() );
Go( &COMMON_TOOLS::ZoomInOutCenter, ACTIONS::zoomInCenter.MakeEvent() );
Go( &COMMON_TOOLS::ZoomInOutCenter, ACTIONS::zoomOutCenter.MakeEvent() );
Go( &COMMON_TOOLS::ZoomCenter, ACTIONS::zoomCenter.MakeEvent() );
Go( &COMMON_TOOLS::ZoomFitScreen, ACTIONS::zoomFitScreen.MakeEvent() );
Go( &COMMON_TOOLS::ZoomPreset, ACTIONS::zoomPreset.MakeEvent() );
Go( &COMMON_TOOLS::GridNext, ACTIONS::gridNext.MakeEvent() );
Go( &COMMON_TOOLS::GridPrev, ACTIONS::gridPrev.MakeEvent() );
Go( &COMMON_TOOLS::GridPreset, ACTIONS::gridPreset.MakeEvent() );
Go( &COMMON_TOOLS::ToggleCursor, ACT_toggleCursor.MakeEvent() );
}
void COMMON_TOOLS::updateGrid()
{
BASE_SCREEN* screen = m_frame->GetScreen();
getView()->GetGAL()->SetGridSize( VECTOR2D( screen->GetGridSize() ) );
getView()->MarkTargetDirty( KIGFX::TARGET_NONCACHED );
}