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kicad/gerbview/tools/gerbview_selection_tool.cpp

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2017 Jon Evans <jon@craftyjon.com>
* Copyright (C) 2017 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 <base_struct.h>
#include <bitmaps.h>
#include <gerber_collectors.h>
#include <class_draw_panel_gal.h>
#include <view/view.h>
#include <view/view_controls.h>
#include <view/view_group.h>
#include <painter.h>
#include <bitmaps.h>
#include <hotkeys.h>
#include <tool/tool_event.h>
#include <tool/tool_manager.h>
#include <preview_items/bright_box.h>
#include <preview_items/ruler_item.h>
#include <preview_items/selection_area.h>
#include <gerbview_id.h>
#include <gerbview_painter.h>
#include "gerbview_selection_tool.h"
#include "gerbview_actions.h"
// Selection tool actions
TOOL_ACTION GERBVIEW_ACTIONS::selectionActivate( "gerbview.InteractiveSelection",
AS_GLOBAL, 0,
"", "", NULL, AF_ACTIVATE ); // No description, it is not supposed to be shown anywhere
TOOL_ACTION GERBVIEW_ACTIONS::selectionCursor( "gerbview.InteractiveSelection.Cursor",
AS_GLOBAL, 0,
"", "" ); // No description, it is not supposed to be shown anywhere
TOOL_ACTION GERBVIEW_ACTIONS::selectItem( "gerbview.InteractiveSelection.SelectItem",
AS_GLOBAL, 0,
"", "" ); // No description, it is not supposed to be shown anywhere
TOOL_ACTION GERBVIEW_ACTIONS::unselectItem( "gerbview.InteractiveSelection.UnselectItem",
AS_GLOBAL, 0,
"", "" ); // No description, it is not supposed to be shown anywhere
TOOL_ACTION GERBVIEW_ACTIONS::selectionClear( "gerbview.InteractiveSelection.Clear",
AS_GLOBAL, 0,
"", "" ); // No description, it is not supposed to be shown anywhere
TOOL_ACTION GERBVIEW_ACTIONS::measureTool( "gerbview.InteractiveSelection.measureTool",
AS_GLOBAL, TOOL_ACTION::LegacyHotKey( HK_MEASURE_TOOL ),
_( "Measure Tool" ), _( "Interactively measure distance between points" ),
measurement_xpm, AF_ACTIVATE );
class HIGHLIGHT_MENU: public ACTION_MENU
{
public:
HIGHLIGHT_MENU()
{
SetIcon( net_highlight_schematic_xpm );
SetTitle( _( "Highlight" ) );
}
private:
void update() override
{
bool addSeparator = false;
const auto& selection = getToolManager()->GetTool<GERBVIEW_SELECTION_TOOL>()->GetSelection();
if( selection.Size() == 1 )
{
auto item = static_cast<GERBER_DRAW_ITEM*>( selection[0] );
const auto& net_attr = item->GetNetAttributes();
if( ( net_attr.m_NetAttribType & GBR_NETLIST_METADATA::GBR_NETINFO_PAD ) ||
( net_attr.m_NetAttribType & GBR_NETLIST_METADATA::GBR_NETINFO_CMP ) )
{
auto menuEntry = Add( GERBVIEW_ACTIONS::highlightComponent );
menuEntry->SetItemLabel( wxString::Format( _( "Highlight Items of Component \"%s\"" ),
GetChars( net_attr.m_Cmpref ) ) );
addSeparator = true;
}
if( ( net_attr.m_NetAttribType & GBR_NETLIST_METADATA::GBR_NETINFO_NET ) )
{
auto menuEntry = Add( GERBVIEW_ACTIONS::highlightNet );
menuEntry->SetItemLabel( wxString::Format( _( "Highlight Items of Net \"%s\"" ),
UnescapeString( net_attr.m_Netname ) ) );
addSeparator = true;
}
D_CODE* apertDescr = item->GetDcodeDescr();
if( apertDescr && !apertDescr->m_AperFunction.IsEmpty() )
{
auto menuEntry = Add( GERBVIEW_ACTIONS::highlightAttribute );
menuEntry->SetItemLabel( wxString::Format( _( "Highlight Aperture Type \"%s\"" ),
GetChars( apertDescr->m_AperFunction ) ) );
addSeparator = true;
}
}
if( addSeparator )
AppendSeparator();
Add( GERBVIEW_ACTIONS::highlightClear );
}
ACTION_MENU* create() const override
{
return new HIGHLIGHT_MENU();
}
};
GERBVIEW_SELECTION_TOOL::GERBVIEW_SELECTION_TOOL() :
TOOL_INTERACTIVE( "gerbview.InteractiveSelection" ),
m_frame( NULL ), m_additive( false ), m_subtractive( false ),
m_multiple( false ),
m_menu( *this )
{
// these members are initialized to avoid warnings about non initialized vars
m_preliminary = true;
}
GERBVIEW_SELECTION_TOOL::~GERBVIEW_SELECTION_TOOL()
{
getView()->Remove( &m_selection );
}
bool GERBVIEW_SELECTION_TOOL::Init()
{
auto selectMenu = std::make_shared<HIGHLIGHT_MENU>();
selectMenu->SetTool( this );
m_menu.AddSubMenu( selectMenu );
auto& menu = m_menu.GetMenu();
menu.AddMenu( selectMenu.get() );
menu.AddSeparator( SELECTION_CONDITIONS::ShowAlways, 1000 );
m_menu.AddStandardSubMenus( getEditFrame<GERBVIEW_FRAME>() );
return true;
}
void GERBVIEW_SELECTION_TOOL::Reset( RESET_REASON aReason )
{
m_frame = getEditFrame<GERBVIEW_FRAME>();
m_preliminary = true;
if( aReason == TOOL_BASE::MODEL_RELOAD )
{
// Remove pointers to the selected items from containers
// without changing their properties (as they are already deleted
// while a new file is loaded)
m_selection.Clear();
getView()->GetPainter()->GetSettings()->SetHighlight( false );
}
else
// Restore previous properties of selected items and remove them from containers
clearSelection();
// Reinsert the VIEW_GROUP, in case it was removed from the VIEW
getView()->Remove( &m_selection );
getView()->Add( &m_selection );
}
int GERBVIEW_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 ) )
{
if( !m_additive )
clearSelection();
selectPoint( evt->Position() );
}
// right click? if there is any object - show the context menu
else if( evt->IsClick( BUT_RIGHT ) )
{
if( m_selection.Empty() )
{
selectPoint( evt->Position() );
m_selection.SetIsHover( true );
}
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
assert( false );
return 0;
}
SELECTION& GERBVIEW_SELECTION_TOOL::GetSelection()
{
return m_selection;
}
void GERBVIEW_SELECTION_TOOL::toggleSelection( EDA_ITEM* aItem )
{
if( aItem->IsSelected() )
{
unselect( aItem );
// Inform other potentially interested tools
m_toolMgr->ProcessEvent( EVENTS::UnselectedEvent );
}
else
{
if( !m_additive )
clearSelection();
// Prevent selection of invisible or inactive items
if( selectable( aItem ) )
{
select( aItem );
// Inform other potentially interested tools
m_toolMgr->ProcessEvent( EVENTS::SelectedEvent );
}
}
m_frame->GetGalCanvas()->ForceRefresh();
}
bool GERBVIEW_SELECTION_TOOL::selectPoint( const VECTOR2I& aWhere, bool aOnDrag )
{
EDA_ITEM* item = NULL;
GERBER_COLLECTOR collector;
EDA_ITEM* model = getModel<EDA_ITEM>();
collector.Collect( model, GERBER_COLLECTOR::AllItems, wxPoint( aWhere.x, aWhere.y ) );
bool anyCollected = collector.GetCount() != 0;
// Remove unselectable items
for( int i = collector.GetCount() - 1; i >= 0; --i )
{
if( !selectable( collector[i] ) )
collector.Remove( i );
}
switch( collector.GetCount() )
{
case 0:
if( !m_additive && anyCollected )
clearSelection();
return false;
case 1:
toggleSelection( collector[0] );
return true;
default:
// Let's see if there is still disambiguation in selection..
if( collector.GetCount() == 1 )
{
toggleSelection( collector[0] );
return true;
}
else if( collector.GetCount() > 1 )
{
if( aOnDrag )
Wait( TOOL_EVENT( TC_ANY, TA_MOUSE_UP, BUT_LEFT ) );
item = disambiguationMenu( &collector );
if( item )
{
toggleSelection( item );
return true;
}
}
break;
}
return false;
}
bool GERBVIEW_SELECTION_TOOL::selectCursor( bool aSelectAlways )
{
if( aSelectAlways || m_selection.Empty() )
{
clearSelection();
selectPoint( getViewControls()->GetCursorPosition( false ) );
}
return !m_selection.Empty();
}
bool GERBVIEW_SELECTION_TOOL::selectMultiple()
{
bool cancelled = false; // Was the tool cancelled while it was running?
m_multiple = true; // Multiple selection mode is active
KIGFX::VIEW* view = getView();
getViewControls()->SetAutoPan( true );
KIGFX::PREVIEW::SELECTION_AREA area;
view->Add( &area );
while( OPT_TOOL_EVENT evt = Wait() )
{
if( evt->IsCancel() )
{
cancelled = true;
break;
}
if( evt->IsDrag( BUT_LEFT ) )
{
// Start drawing a selection box
area.SetOrigin( evt->DragOrigin() );
area.SetEnd( evt->Position() );
area.SetAdditive( m_additive );
area.SetSubtractive( m_subtractive );
view->SetVisible( &area, true );
view->Update( &area );
}
if( evt->IsMouseUp( BUT_LEFT ) )
{
// End drawing the selection box
view->SetVisible( &area, false );
// Mark items within the selection box as selected
std::vector<KIGFX::VIEW::LAYER_ITEM_PAIR> selectedItems;
// Filter the view items based on the selection box
BOX2I selectionBox = area.ViewBBox();
view->Query( selectionBox, selectedItems ); // Get the list of selected items
std::vector<KIGFX::VIEW::LAYER_ITEM_PAIR>::iterator it, it_end;
int width = area.GetEnd().x - area.GetOrigin().x;
int height = area.GetEnd().y - area.GetOrigin().y;
// Construct an EDA_RECT to determine EDA_ITEM selection
EDA_RECT selectionRect( wxPoint( area.GetOrigin().x, area.GetOrigin().y ),
wxSize( width, height ) );
selectionRect.Normalize();
for( it = selectedItems.begin(), it_end = selectedItems.end(); it != it_end; ++it )
{
auto item = static_cast<GERBER_DRAW_ITEM*>( it->first );
if( !item || !selectable( item ) )
continue;
/* Selection mode depends on direction of drag-selection:
* Left > Right : Select objects that are fully enclosed by selection
* Right > Left : Select objects that are crossed by selection
*/
if( item->HitTest( selectionRect, width >= 0 ) )
{
if( m_subtractive )
unselect( item );
else
select( item );
}
}
if( m_selection.Size() == 1 )
m_frame->SetCurItem( static_cast<GERBER_DRAW_ITEM*>( m_selection.Front() ) );
else
m_frame->SetCurItem( NULL );
// Inform other potentially interested tools
if( !m_selection.Empty() )
m_toolMgr->ProcessEvent( EVENTS::SelectedEvent );
break; // Stop waiting for events
}
}
// Stop drawing the selection box
view->Remove( &area );
m_multiple = false; // Multiple selection mode is inactive
getViewControls()->SetAutoPan( false );
return cancelled;
}
void GERBVIEW_SELECTION_TOOL::setTransitions()
{
Go( &GERBVIEW_SELECTION_TOOL::Main, GERBVIEW_ACTIONS::selectionActivate.MakeEvent() );
Go( &GERBVIEW_SELECTION_TOOL::CursorSelection, GERBVIEW_ACTIONS::selectionCursor.MakeEvent() );
Go( &GERBVIEW_SELECTION_TOOL::ClearSelection, GERBVIEW_ACTIONS::selectionClear.MakeEvent() );
Go( &GERBVIEW_SELECTION_TOOL::SelectItem, GERBVIEW_ACTIONS::selectItem.MakeEvent() );
Go( &GERBVIEW_SELECTION_TOOL::UnselectItem, GERBVIEW_ACTIONS::unselectItem.MakeEvent() );
Go( &GERBVIEW_SELECTION_TOOL::MeasureTool, GERBVIEW_ACTIONS::measureTool.MakeEvent() );
}
int GERBVIEW_SELECTION_TOOL::CursorSelection( const TOOL_EVENT& aEvent )
{
if( m_selection.Empty() ) // Try to find an item that could be modified
{
selectCursor( true );
clearSelection();
return 0;
}
return 0;
}
int GERBVIEW_SELECTION_TOOL::ClearSelection( const TOOL_EVENT& aEvent )
{
clearSelection();
return 0;
}
int GERBVIEW_SELECTION_TOOL::SelectItems( const TOOL_EVENT& aEvent )
{
std::vector<EDA_ITEM*>* items = aEvent.Parameter<std::vector<EDA_ITEM*>*>();
if( items )
{
// Perform individual selection of each item
// before processing the event.
for( auto item : *items )
{
select( item );
}
m_toolMgr->ProcessEvent( EVENTS::SelectedEvent );
}
return 0;
}
int GERBVIEW_SELECTION_TOOL::SelectItem( const TOOL_EVENT& aEvent )
{
// Check if there is an item to be selected
EDA_ITEM* item = aEvent.Parameter<EDA_ITEM*>();
if( item )
{
select( item );
// Inform other potentially interested tools
m_toolMgr->ProcessEvent( EVENTS::SelectedEvent );
}
return 0;
}
int GERBVIEW_SELECTION_TOOL::UnselectItems( const TOOL_EVENT& aEvent )
{
std::vector<EDA_ITEM*>* items = aEvent.Parameter<std::vector<EDA_ITEM*>*>();
if( items )
{
// Perform individual unselection of each item
// before processing the event
for( auto item : *items )
{
unselect( item );
}
m_toolMgr->ProcessEvent( EVENTS::UnselectedEvent );
}
return 0;
}
int GERBVIEW_SELECTION_TOOL::UnselectItem( const TOOL_EVENT& aEvent )
{
// Check if there is an item to be selected
EDA_ITEM* item = aEvent.Parameter<EDA_ITEM*>();
if( item )
{
unselect( item );
// Inform other potentially interested tools
m_toolMgr->ProcessEvent( EVENTS::UnselectedEvent );
}
return 0;
}
void GERBVIEW_SELECTION_TOOL::clearSelection()
{
if( m_selection.Empty() )
return;
for( auto item : m_selection )
unselectVisually( static_cast<EDA_ITEM*>( item ) );
m_selection.Clear();
m_frame->SetCurItem( NULL );
// Inform other potentially interested tools
m_toolMgr->ProcessEvent( EVENTS::ClearedEvent );
}
void GERBVIEW_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();
}
EDA_ITEM* GERBVIEW_SELECTION_TOOL::disambiguationMenu( GERBER_COLLECTOR* aCollector )
{
EDA_ITEM* current = NULL;
KIGFX::VIEW_GROUP highlightGroup;
ACTION_MENU menu;
highlightGroup.SetLayer( LAYER_SELECT_OVERLAY );
getView()->Add( &highlightGroup );
int limit = std::min( 10, aCollector->GetCount() );
for( int i = 0; i < limit; ++i )
{
wxString text;
EDA_ITEM* item = ( *aCollector )[i];
text = item->GetSelectMenuText( m_frame->GetUserUnits() );
menu.Add( text, i + 1, item->GetMenuImage() );
}
menu.SetTitle( _( "Clarify selection" ) );
menu.SetIcon( info_xpm );
menu.DisplayTitle( true );
SetContextMenu( &menu, CMENU_NOW );
while( OPT_TOOL_EVENT evt = Wait() )
{
if( evt->Action() == TA_CONTEXT_MENU_UPDATE )
{
if( current )
{
current->ClearBrightened();
getView()->Hide( current, false );
highlightGroup.Remove( current );
getView()->MarkTargetDirty( KIGFX::TARGET_OVERLAY );
}
int id = *evt->GetCommandId();
// User has pointed an item, so show it in a different way
if( id > 0 && id <= limit )
{
current = ( *aCollector )[id - 1];
current->SetBrightened();
getView()->Hide( current, true );
highlightGroup.Add( current );
getView()->MarkTargetDirty( KIGFX::TARGET_OVERLAY );
}
else
{
current = NULL;
}
}
else if( evt->Action() == TA_CONTEXT_MENU_CHOICE )
{
OPT<int> id = evt->GetCommandId();
// User has selected an item, so this one will be returned
if( id && ( *id > 0 ) )
current = ( *aCollector )[*id - 1];
else
current = NULL;
break;
}
}
if( current && current->IsBrightened() )
{
current->ClearBrightened();
getView()->Hide( current, false );
getView()->MarkTargetDirty( KIGFX::TARGET_OVERLAY );
}
getView()->Remove( &highlightGroup );
return current;
}
bool GERBVIEW_SELECTION_TOOL::selectable( const EDA_ITEM* aItem ) const
{
auto item = static_cast<const GERBER_DRAW_ITEM*>( aItem );
if( item->GetLayerPolarity() )
{
// Don't allow selection of invisible negative items
auto rs = static_cast<KIGFX::GERBVIEW_RENDER_SETTINGS*>( getView()->GetPainter()->GetSettings() );
if( !rs->IsShowNegativeItems() )
return false;
}
return getEditFrame<GERBVIEW_FRAME>()->IsLayerVisible( item->GetLayer() );
}
void GERBVIEW_SELECTION_TOOL::select( EDA_ITEM* aItem )
{
if( aItem->IsSelected() )
{
return;
}
m_selection.Add( aItem );
getView()->Add( &m_selection );
selectVisually( aItem );
if( m_selection.Size() == 1 )
{
// Set as the current item, so the information about selection is displayed
m_frame->SetCurItem( static_cast<GERBER_DRAW_ITEM*>( aItem ), true );
}
else if( m_selection.Size() == 2 ) // Check only for 2, so it will not be
{ // called for every next selected item
// If multiple items are selected, do not show the information about the selected item
m_frame->SetCurItem( NULL, true );
}
}
void GERBVIEW_SELECTION_TOOL::unselect( EDA_ITEM* aItem )
{
if( !aItem->IsSelected() )
return;
unselectVisually( aItem );
m_selection.Remove( aItem );
if( m_selection.Empty() )
{
m_frame->SetCurItem( NULL );
getView()->Remove( &m_selection );
}
}
void GERBVIEW_SELECTION_TOOL::selectVisually( EDA_ITEM* aItem )
{
// Move the item's layer to the front
int layer = static_cast<GERBER_DRAW_ITEM*>( aItem )->GetLayer();
m_frame->SetActiveLayer( layer, true );
// Hide the original item, so it is shown only on overlay
aItem->SetSelected();
getView()->Hide( aItem, true );
getView()->Update( &m_selection );
}
void GERBVIEW_SELECTION_TOOL::unselectVisually( EDA_ITEM* aItem )
{
// Restore original item visibility
aItem->ClearSelected();
getView()->Hide( aItem, false );
getView()->Update( aItem, KIGFX::ALL );
getView()->Update( &m_selection );
}
bool GERBVIEW_SELECTION_TOOL::selectionContains( const VECTOR2I& aPoint ) const
{
const unsigned GRIP_MARGIN = 20;
VECTOR2D margin = getView()->ToWorld( VECTOR2D( GRIP_MARGIN, GRIP_MARGIN ), false );
// Check if the point is located within any of the currently selected items bounding boxes
for( auto item : m_selection )
{
BOX2I itemBox = item->ViewBBox();
itemBox.Inflate( margin.x, margin.y ); // Give some margin for gripping an item
if( itemBox.Contains( aPoint ) )
return true;
}
return false;
}
int GERBVIEW_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;
}
VECTOR2I SELECTION::GetCenter() const
{
VECTOR2I centre;
if( Size() == 1 )
{
centre = static_cast<GERBER_DRAW_ITEM*>( Front() )->GetPosition();
}
else
{
EDA_RECT bbox = Front()->GetBoundingBox();
auto i = m_items.begin();
++i;
for( ; i != m_items.end(); ++i )
{
bbox.Merge( (*i)->GetBoundingBox() );
}
centre = bbox.Centre();
}
return centre;
}
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;
}
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