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>
2018-01-29 10:37:29 +00:00
#include <base_screen.h>
#include <hotkeys.h>
#include <tool/common_tools.h>
static TOOL_ACTION ACT_toggleCursor( "common.Control.toggleCursor",
AS_GLOBAL, TOOL_ACTION::LegacyHotKey( HK_TOGGLE_CURSOR ),
_( "Toggle Always Show Cursor" ),
_( "Toggle 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 )
{
bool direction = aEvent.IsAction( &ACTIONS::zoomIn );
return doZoomInOut( direction, true );
}
int COMMON_TOOLS::ZoomInOutCenter( const TOOL_EVENT& aEvent )
{
bool direction = aEvent.IsAction( &ACTIONS::zoomInCenter );
return doZoomInOut( direction, false );
}
int COMMON_TOOLS::doZoomInOut( bool aDirection, bool aCenterOnCursor )
{
double zoom = m_frame->GetGalCanvas()->GetLegacyZoom();
// Step must be AT LEAST 1.3
if( aDirection )
zoom /= 1.3;
else
zoom *= 1.3;
// Now look for the next closest menu step
std::vector<double>& zoomList = m_frame->GetScreen()->m_ZoomList;
int idx;
if( aDirection )
{
for( idx = zoomList.size() - 1; idx >= 0; --idx )
{
if( zoomList[idx] <= zoom )
break;
}
if( idx < 0 )
idx = 0; // if we ran off the end then peg to the end
}
else
{
for( idx = 0; idx < (int)zoomList.size(); ++idx )
{
if( zoomList[idx] >= zoom )
break;
}
if( idx >= (int)zoomList.size() )
idx = zoomList.size() - 1; // if we ran off the end then peg to the end
}
return doZoomToPreset( idx + 1, aCenterOnCursor );
}
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>();
EDA_BASE_FRAME* frame = getEditFrame<EDA_BASE_FRAME>();
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 )
{
bBox = galCanvas->GetDefaultViewBBox();
}
VECTOR2D vsize = bBox.GetSize();
double scale = view->GetScale() / std::max( fabs( vsize.x / screenSize.x ),
fabs( vsize.y / screenSize.y ) );
// Reserve a 10% margin around component bounding box.
double margin_scale_factor = 1.1;
// Leave 20% for library editors & viewers
if( frame->IsType( FRAME_PCB_MODULE_VIEWER ) || frame->IsType( FRAME_PCB_MODULE_VIEWER_MODAL )
|| frame->IsType( FRAME_SCH_VIEWER ) || frame->IsType( FRAME_SCH_VIEWER_MODAL )
|| frame->IsType( FRAME_SCH_LIB_EDITOR ) || frame->IsType( FRAME_PCB_MODULE_EDITOR ) )
{
margin_scale_factor = 1.2;
}
view->SetScale( scale / margin_scale_factor );
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>();
return doZoomToPreset( idx, false );
}
// Note: idx == 0 is Auto; idx == 1 is first entry in zoomList
int COMMON_TOOLS::doZoomToPreset( int idx, bool aCenterOnCursor )
{
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
{
TOOL_EVENT dummy;
return ZoomFitScreen( dummy );
}
else
idx--;
double selectedZoom = zoomList[idx];
double zoomFactor = gal->GetWorldScale() / gal->GetZoomFactor();
double scale = 1.0 / ( zoomFactor * selectedZoom );
if( aCenterOnCursor )
{
view->SetScale( scale, getViewControls()->GetCursorPosition() );
if( getViewControls()->IsCursorWarpingEnabled() )
getViewControls()->CenterOnCursor();
}
else
view->SetScale( scale );
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 );
}