kicad/eeschema/tools/symbol_editor_move_tool.cpp

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
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* Copyright (C) 2019 CERN
* Copyright (C) 2019-2021 KiCad Developers, see AUTHORS.txt for contributors.
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*
* 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/tool_manager.h>
#include <tools/ee_selection_tool.h>
#include <ee_actions.h>
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#include <bitmaps.h>
#include <eda_item.h>
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#include <wx/log.h>
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#include "symbol_editor_move_tool.h"
#include "symbol_editor_pin_tool.h"
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SYMBOL_EDITOR_MOVE_TOOL::SYMBOL_EDITOR_MOVE_TOOL() :
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EE_TOOL_BASE( "eeschema.SymbolMoveTool" ),
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m_moveInProgress( false ),
m_moveOffset( 0, 0 )
{
}
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bool SYMBOL_EDITOR_MOVE_TOOL::Init()
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{
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EE_TOOL_BASE::Init();
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//
// Add move actions to the selection tool menu
//
CONDITIONAL_MENU& selToolMenu = m_selectionTool->GetToolMenu().GetMenu();
auto canMove =
[&]( const SELECTION& sel )
{
SYMBOL_EDIT_FRAME* editor = static_cast<SYMBOL_EDIT_FRAME*>( m_frame );
wxCHECK( editor, false );
if( !editor->IsSymbolEditable() )
return false;
if( editor->IsSymbolAlias() )
{
for( EDA_ITEM* item : sel )
{
if( item->Type() != LIB_FIELD_T )
return false;
}
}
return true;
};
selToolMenu.AddItem( EE_ACTIONS::move, canMove && EE_CONDITIONS::IdleSelection, 150 );
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return true;
}
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void SYMBOL_EDITOR_MOVE_TOOL::Reset( RESET_REASON aReason )
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{
EE_TOOL_BASE::Reset( aReason );
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if( aReason == MODEL_RELOAD )
{
m_moveInProgress = false;
m_moveOffset = { 0, 0 };
}
}
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int SYMBOL_EDITOR_MOVE_TOOL::Main( const TOOL_EVENT& aEvent )
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{
static KICAD_T fieldsOnly[] = { LIB_FIELD_T, EOT };
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KIGFX::VIEW_CONTROLS* controls = getViewControls();
m_anchorPos = { 0, 0 };
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// Be sure that there is at least one item that we can move. If there's no selection try
// looking for the stuff under mouse cursor (i.e. Kicad old-style hover selection).
EE_SELECTION& selection = m_frame->IsSymbolAlias()
? m_selectionTool->RequestSelection( fieldsOnly )
: m_selectionTool->RequestSelection();
bool unselect = selection.IsHover();
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if( !m_frame->IsSymbolEditable() || selection.Empty() || m_moveInProgress )
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return 0;
std::string tool = aEvent.GetCommandStr().get();
m_frame->PushTool( tool );
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Activate();
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controls->ShowCursor( true );
controls->SetAutoPan( true );
bool restore_state = false;
bool chain_commands = false;
TOOL_EVENT* evt = const_cast<TOOL_EVENT*>( &aEvent );
VECTOR2I prevPos;
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if( !selection.Front()->IsNew() )
saveCopyInUndoList( m_frame->GetCurSymbol(), UNDO_REDO::LIBEDIT );
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m_cursor = controls->GetCursorPosition();
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// Main loop: keep receiving events
do
{
m_frame->GetCanvas()->SetCurrentCursor( KICURSOR::MOVING );
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if( evt->IsAction( &EE_ACTIONS::move )
|| evt->IsMotion()
|| evt->IsDrag( BUT_LEFT )
|| evt->IsAction( &ACTIONS::refreshPreview )
|| evt->IsAction( &EE_ACTIONS::symbolMoveActivate ) )
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{
if( !m_moveInProgress ) // Prepare to start moving/dragging
{
LIB_ITEM* lib_item = static_cast<LIB_ITEM*>( selection.Front() );
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// Pick up any synchronized pins
//
// Careful when pasting. The pasted pin will be at the same location as it
// was copied from, leading us to believe it's a synchronized pin. It's not.
if( m_frame->SynchronizePins()
&& ( lib_item->GetEditFlags() & IS_PASTED ) == 0 )
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{
std::set<LIB_PIN*> sync_pins;
for( EDA_ITEM* sel_item : selection )
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{
lib_item = static_cast<LIB_ITEM*>( sel_item );
if( lib_item->Type() == LIB_PIN_T )
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{
LIB_PIN* cur_pin = static_cast<LIB_PIN*>( lib_item );
LIB_SYMBOL* symbol = m_frame->GetCurSymbol();
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std::vector<bool> got_unit( symbol->GetUnitCount() );
got_unit[cur_pin->GetUnit()] = true;
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for( LIB_PIN* pin = symbol->GetNextPin(); pin;
pin = symbol->GetNextPin( pin ) )
{
if( !got_unit[pin->GetUnit()]
&& pin->GetPosition() == cur_pin->GetPosition()
&& pin->GetOrientation() == cur_pin->GetOrientation()
&& pin->GetConvert() == cur_pin->GetConvert()
&& pin->GetType() == cur_pin->GetType()
&& pin->GetName() == cur_pin->GetName() )
{
if( sync_pins.insert( pin ).second )
got_unit[pin->GetUnit()] = true;
}
}
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}
}
for( LIB_PIN* pin : sync_pins )
m_selectionTool->AddItemToSel( pin, true /*quiet mode*/ );
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}
// Apply any initial offset in case we're coming from a previous command.
//
for( EDA_ITEM* item : selection )
moveItem( item, m_moveOffset );
// Set up the starting position and move/drag offset
//
m_cursor = controls->GetCursorPosition();
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if( lib_item->IsNew() )
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{
m_anchorPos = selection.GetReferencePoint();
VECTOR2I delta = m_cursor - mapCoords( m_anchorPos );
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// Drag items to the current cursor position
for( EDA_ITEM* item : selection )
{
moveItem( item, delta );
updateItem( item, false );
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}
m_anchorPos = m_cursor;
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}
else if( selection.Size() == 1 && m_frame->GetMoveWarpsCursor() )
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{
wxPoint itemPos = lib_item->GetPosition();
m_anchorPos = wxPoint( itemPos.x, -itemPos.y );
getViewControls()->WarpCursor( m_anchorPos, true, true );
m_cursor = m_anchorPos;
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}
else
{
m_cursor = getViewControls()->GetCursorPosition( true );
m_anchorPos = m_cursor;
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}
controls->SetCursorPosition( m_cursor, false );
m_toolMgr->PostEvent( EVENTS::SelectedItemsModified );
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prevPos = m_cursor;
controls->SetAutoPan( true );
m_moveInProgress = true;
}
//------------------------------------------------------------------------
// Follow the mouse
//
m_cursor = controls->GetCursorPosition();
VECTOR2I delta( m_cursor - prevPos );
m_anchorPos = m_cursor;
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m_moveOffset += delta;
prevPos = m_cursor;
for( EDA_ITEM* item : selection )
{
moveItem( item, delta );
updateItem( item, false );
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}
m_toolMgr->PostEvent( EVENTS::SelectedItemsMoved );
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}
//------------------------------------------------------------------------
// Handle cancel
//
else if( evt->IsCancelInteractive() || evt->IsActivate() )
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{
if( m_moveInProgress )
{
evt->SetPassEvent( false );
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restore_state = true;
}
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break;
}
//------------------------------------------------------------------------
// Handle TOOL_ACTION special cases
//
else if( evt->Action() == TA_UNDO_REDO_PRE )
{
unselect = true;
break;
}
else if( evt->Category() == TC_COMMAND )
{
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if( evt->IsAction( &ACTIONS::doDelete ) )
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{
// Exit on a remove operation; there is no further processing for removed items.
break;
}
else if( evt->IsAction( &ACTIONS::duplicate ) )
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{
if( selection.Front()->IsNew() )
{
// This doesn't really make sense; we'll just end up dragging a stack of
// objects so Duplicate() is going to ignore this and we'll just carry on.
continue;
}
// Move original back and exit. The duplicate will run in its own loop.
restore_state = true;
unselect = false;
chain_commands = true;
break;
}
else
{
evt->SetPassEvent();
}
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}
//------------------------------------------------------------------------
// Handle context menu
//
else if( evt->IsClick( BUT_RIGHT ) )
{
m_menu.ShowContextMenu( m_selectionTool->GetSelection() );
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}
//------------------------------------------------------------------------
// Handle drop
//
else if( evt->IsMouseUp( BUT_LEFT )
|| evt->IsClick( BUT_LEFT )
|| evt->IsDblClick( BUT_LEFT ) )
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{
if( selection.GetSize() == 1 && selection.Front()->Type() == LIB_PIN_T )
{
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SYMBOL_EDITOR_PIN_TOOL* pinTool = m_toolMgr->GetTool<SYMBOL_EDITOR_PIN_TOOL>();
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try
{
if( !pinTool->PlacePin( (LIB_PIN*) selection.Front() ) )
restore_state = true;
}
catch( const boost::bad_pointer& e )
{
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restore_state = true;
wxLogError( "Boost pointer exception occurred: \"%s\"", e.what() );
}
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}
break; // Finish
}
else
{
evt->SetPassEvent();
}
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} while( ( evt = Wait() ) ); // Assignment intentional; not equality test
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controls->ForceCursorPosition( false );
controls->ShowCursor( false );
controls->SetAutoPan( false );
if( !chain_commands )
m_moveOffset = { 0, 0 };
m_anchorPos = { 0, 0 };
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for( auto item : selection )
item->ClearEditFlags();
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if( restore_state )
{
m_frame->RollbackSymbolFromUndo();
if( unselect )
m_toolMgr->RunAction( EE_ACTIONS::clearSelection, true );
else
m_toolMgr->ProcessEvent( EVENTS::SelectedEvent );
}
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else
{
if( unselect )
m_toolMgr->RunAction( EE_ACTIONS::clearSelection, true );
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m_frame->OnModify();
}
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m_moveInProgress = false;
m_frame->PopTool( tool );
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return 0;
}
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void SYMBOL_EDITOR_MOVE_TOOL::moveItem( EDA_ITEM* aItem, VECTOR2I aDelta )
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{
static_cast<LIB_ITEM*>( aItem )->Offset( mapCoords( aDelta ) );
aItem->SetFlags( IS_MOVING );
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}
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void SYMBOL_EDITOR_MOVE_TOOL::setTransitions()
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{
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Go( &SYMBOL_EDITOR_MOVE_TOOL::Main, EE_ACTIONS::move.MakeEvent() );
Go( &SYMBOL_EDITOR_MOVE_TOOL::Main, EE_ACTIONS::symbolMoveActivate.MakeEvent() );
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}