kicad/cvpcb/tools/cvpcb_selection_tool.cpp

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2018 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 3 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, see <http://www.gnu.org/licenses/>.
*/
#include <limits>
#include <functional>
using namespace std::placeholders;
#include <class_draw_panel_gal.h>
#include <view/view.h>
#include <hotkeys.h>
#include <tool/tool_event.h>
#include <tool/tool_manager.h>
#include <preview_items/ruler_item.h>
#include <cvpcb_id.h>
#include "cvpcb_selection_tool.h"
#include "cvpcb_actions.h"
// Selection tool actions
TOOL_ACTION CVPCB_ACTIONS::selectionActivate( "cvpcb.InteractiveSelection",
AS_GLOBAL, 0,
"", "", NULL, AF_ACTIVATE ); // No description, it is not supposed to be shown anywhere
TOOL_ACTION CVPCB_ACTIONS::measureTool( "cvpcb.InteractiveSelection.measureTool",
AS_GLOBAL, TOOL_ACTION::LegacyHotKey( HK_MEASURE_TOOL ),
_( "Measure Tool" ), _( "Interactively measure distance between points" ),
nullptr, AF_ACTIVATE );
CVPCB_SELECTION_TOOL::CVPCB_SELECTION_TOOL() :
TOOL_INTERACTIVE( "cvpcb.InteractiveSelection" ),
m_frame( NULL ), m_menu( *this )
{
}
CVPCB_SELECTION_TOOL::~CVPCB_SELECTION_TOOL()
{
getView()->Remove( &m_selection );
}
bool CVPCB_SELECTION_TOOL::Init()
{
m_menu.AddStandardSubMenus( *getEditFrame<DISPLAY_FOOTPRINTS_FRAME>() );
return true;
}
void CVPCB_SELECTION_TOOL::Reset( RESET_REASON aReason )
{
m_frame = getEditFrame<DISPLAY_FOOTPRINTS_FRAME>();
}
int CVPCB_SELECTION_TOOL::Main( const TOOL_EVENT& aEvent )
{
// Main loop: keep receiving events
while( OPT_TOOL_EVENT evt = Wait() )
{
// This is kind of hacky: activate RMB drag on any event.
// There doesn't seem to be any other good way to tell when another tool
// is canceled and control returns to the selection tool, except by the
// fact that the selection tool starts to get events again.
if( m_frame->GetToolId() == ID_NO_TOOL_SELECTED)
{
getViewControls()->SetAdditionalPanButtons( false, true );
}
// Disable RMB pan for other tools; they can re-enable if desired
if( evt->IsActivate() )
{
getViewControls()->SetAdditionalPanButtons( false, false );
}
// single click? Select single object
if( evt->IsClick( BUT_LEFT ) )
{
clearSelection();
}
// right click? if there is any object - show the context menu
else if( evt->IsClick( BUT_RIGHT ) )
{
m_menu.ShowContextMenu( m_selection );
}
else if( evt->IsCancel() || evt->Action() == TA_UNDO_REDO_PRE )
{
clearSelection();
}
else if( evt->Action() == TA_CONTEXT_MENU_CLOSED )
{
m_menu.CloseContextMenu( evt );
}
}
// This tool is supposed to be active forever
wxASSERT( false );
return 0;
}
SELECTION& CVPCB_SELECTION_TOOL::GetSelection()
{
return m_selection;
}
void CVPCB_SELECTION_TOOL::setTransitions()
{
Go( &CVPCB_SELECTION_TOOL::Main, CVPCB_ACTIONS::selectionActivate.MakeEvent() );
Go( &CVPCB_SELECTION_TOOL::MeasureTool, CVPCB_ACTIONS::measureTool.MakeEvent() );
}
/*
void CVPCB_SELECTION_TOOL::zoomFitSelection( void )
{
//Should recalculate the view to zoom in on the selection
auto selectionBox = m_selection.ViewBBox();
auto canvas = m_frame->GetGalCanvas();
auto view = getView();
VECTOR2D screenSize = view->ToWorld( canvas->GetClientSize(), false );
if( !( selectionBox.GetWidth() == 0 ) || !( selectionBox.GetHeight() == 0 ) )
{
VECTOR2D vsize = selectionBox.GetSize();
double scale = view->GetScale() / std::max( fabs( vsize.x / screenSize.x ),
fabs( vsize.y / screenSize.y ) );
view->SetScale( scale );
view->SetCenter( selectionBox.Centre() );
view->Add( &m_selection );
}
m_frame->GetGalCanvas()->ForceRefresh();
}
*/
int CVPCB_SELECTION_TOOL::MeasureTool( const TOOL_EVENT& aEvent )
{
auto& view = *getView();
auto& controls = *getViewControls();
auto previous_settings = controls.GetSettings();
Activate();
m_frame->SetToolID( ID_TB_MEASUREMENT_TOOL, wxCURSOR_PENCIL,
_( "Measure distance" ) );
KIGFX::PREVIEW::TWO_POINT_GEOMETRY_MANAGER twoPtMgr;
KIGFX::PREVIEW::RULER_ITEM ruler( twoPtMgr, m_frame->GetUserUnits() );
view.Add( &ruler );
view.SetVisible( &ruler, false );
bool originSet = false;
controls.ShowCursor( true );
controls.SetSnapping( true );
controls.SetAdditionalPanButtons( false, true );
while( auto evt = Wait() )
{
const VECTOR2I cursorPos = controls.GetCursorPosition();
if( evt->IsCancel() || evt->IsActivate() )
{
break;
}
// click or drag starts
else if( !originSet &&
( evt->IsDrag( BUT_LEFT ) || evt->IsClick( BUT_LEFT ) ) )
{
if( !evt->IsDrag( BUT_LEFT ) )
{
twoPtMgr.SetOrigin( cursorPos );
twoPtMgr.SetEnd( cursorPos );
}
controls.CaptureCursor( true );
controls.SetAutoPan( true );
originSet = true;
}
else if( !originSet && evt->IsMotion() )
{
// make sure the origin is set before a drag starts
// otherwise you can miss a step
twoPtMgr.SetOrigin( cursorPos );
twoPtMgr.SetEnd( cursorPos );
}
// second click or mouse up after drag ends
else if( originSet &&
( evt->IsClick( BUT_LEFT ) || evt->IsMouseUp( BUT_LEFT ) ) )
{
originSet = false;
controls.SetAutoPan( false );
controls.CaptureCursor( false );
view.SetVisible( &ruler, false );
}
// move or drag when origin set updates rules
else if( originSet &&
( evt->IsMotion() || evt->IsDrag( BUT_LEFT ) ) )
{
twoPtMgr.SetAngleSnap( evt->Modifier( MD_CTRL ) );
twoPtMgr.SetEnd( cursorPos );
view.SetVisible( &ruler, true );
view.Update( &ruler, KIGFX::GEOMETRY );
}
else if( evt->IsClick( BUT_RIGHT ) )
{
m_menu.ShowContextMenu( m_selection );
}
}
view.SetVisible( &ruler, false );
view.Remove( &ruler );
controls.ApplySettings( previous_settings );
m_frame->SetNoToolSelected();
return 0;
}
const BOX2I SELECTION::ViewBBox() const
{
EDA_RECT eda_bbox;
if( Size() == 1 )
{
eda_bbox = Front()->GetBoundingBox();
}
else if( Size() > 1 )
{
eda_bbox = Front()->GetBoundingBox();
auto i = m_items.begin();
++i;
for( ; i != m_items.end(); ++i )
{
eda_bbox.Merge( (*i)->GetBoundingBox() );
}
}
return BOX2I( eda_bbox.GetOrigin(), eda_bbox.GetSize() );
}
const KIGFX::VIEW_GROUP::ITEMS SELECTION::updateDrawList() const
{
std::vector<VIEW_ITEM*> items;
for( auto item : m_items )
items.push_back( item );
return items;
}