mirror of
https://gitlab.com/kicad/code/kicad.git
synced 2025-09-14 10:13:19 +02:00
b7c31d3b5b
We can't stay in a sheet that is deleted by the action of undo. Checks the current sheet and, if we are currently using it, ensures that the following action is to leave the current sheet Fixes https://gitlab.com/kicad/code/kicad/issues/10733 (cherry picked from commit ccf2a63f45f2a33bb69bf35da2f06a694f1b0115)
408 lines
13 KiB
C++
408 lines
13 KiB
C++
/*
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* This program source code file is part of KiCad, a free EDA CAD application.
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*
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* Copyright (C) 2004 Jean-Pierre Charras, jaen-pierre.charras@gipsa-lab.inpg.com
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* Copyright (C) 2004-2021 KiCad Developers, see change_log.txt for contributors.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, you may find one here:
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* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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* or you may search the http://www.gnu.org website for the version 2 license,
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* or you may write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include <ee_actions.h>
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#include <sch_edit_frame.h>
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#include <tool/tool_manager.h>
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#include <schematic.h>
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#include <sch_bus_entry.h>
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#include <sch_junction.h>
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#include <sch_line.h>
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#include <sch_bitmap.h>
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#include <tools/ee_selection_tool.h>
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#include <drawing_sheet/ds_proxy_undo_item.h>
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#include <tool/actions.h>
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/* Functions to undo and redo edit commands.
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*
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* m_UndoList and m_RedoList handle a std::vector of PICKED_ITEMS_LIST
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* Each PICKED_ITEMS_LIST handle a std::vector of pickers (class ITEM_PICKER),
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* that store the list of schematic items that are concerned by the command to
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* undo or redo and is created for each command to undo (handle also a command
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* to redo). each picker has a pointer pointing to an item to undo or redo (in
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* fact: deleted, added or modified), and has a pointer to a copy of this item,
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* when this item has been modified (the old values of parameters are
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* therefore saved)
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*
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* there are 3 cases:
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* - delete item(s) command
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* - change item(s) command
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* - add item(s) command
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* and 2 cases for block:
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* - move list of items
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* - mirror (Y) list of items
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*
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* Undo command
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* - delete item(s) command:
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* => deleted items are moved in undo list
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*
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* - change item(s) command
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* => A copy of item(s) is made (a DrawPickedStruct list of wrappers)
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* the .m_Link member of each wrapper points the modified item.
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* the .m_Item member of each wrapper points the old copy of this item.
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*
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* - add item(s) command
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* =>A list of item(s) is made. The .m_Item member of each wrapper points
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* the new item.
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*
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* Redo command
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* - delete item(s) old command:
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* => deleted items are moved into m_tree
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*
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* - change item(s) command
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* => the copy of item(s) is moved in Undo list
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*
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* - add item(s) command
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* => The list of item(s) is used to create a deleted list in undo
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* list(same as a delete command)
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*
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* Some block operations that change items can be undone without memorized
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* items, just the coordinates of the transform: move list of items (undo/
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* redo is made by moving with the opposite move vector) mirror (Y) and flip
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* list of items (undo/redo is made by mirror or flip items) so they are
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* handled specifically.
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*
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* A problem is the hierarchical sheet handling.
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* the data associated (sub-hierarchy, undo/redo list) is deleted only
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* when the sheet is really deleted (i.e. when deleted from undo or redo list)
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* This is handled by its destructor.
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*/
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/* Used if undo / redo command:
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* swap data between Item and its copy, pointed by its picked item link member
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* swapped data is data modified by editing, so not all values are swapped
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*/
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void SCH_EDIT_FRAME::StartNewUndo()
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{
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PICKED_ITEMS_LIST* blank = new PICKED_ITEMS_LIST();
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PushCommandToUndoList( blank );
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}
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void SCH_EDIT_FRAME::SaveCopyInUndoList( SCH_SCREEN* aScreen,
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SCH_ITEM* aItem,
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UNDO_REDO aCommandType,
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bool aAppend )
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{
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PICKED_ITEMS_LIST* commandToUndo = nullptr;
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wxCHECK( aItem, /* void */ );
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// Connectivity may change
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aItem->SetConnectivityDirty();
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PICKED_ITEMS_LIST* lastUndo = PopCommandFromUndoList();
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// If the last stack was empty, use that one instead of creating a new stack
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if( lastUndo )
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{
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if( aAppend || !lastUndo->GetCount() )
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commandToUndo = lastUndo;
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else
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PushCommandToUndoList( lastUndo );
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}
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if( !commandToUndo )
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{
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commandToUndo = new PICKED_ITEMS_LIST();
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}
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ITEM_PICKER itemWrapper( aScreen, aItem, aCommandType );
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itemWrapper.SetFlags( aItem->GetFlags() );
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switch( aCommandType )
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{
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case UNDO_REDO::CHANGED: /* Create a copy of item */
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itemWrapper.SetLink( aItem->Duplicate( true ) );
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commandToUndo->PushItem( itemWrapper );
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break;
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case UNDO_REDO::NEWITEM:
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case UNDO_REDO::DELETED:
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commandToUndo->PushItem( itemWrapper );
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break;
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default:
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wxFAIL_MSG( wxString::Format( wxT( "SaveCopyInUndoList() error (unknown code %X)" ),
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aCommandType ) );
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break;
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}
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if( commandToUndo->GetCount() )
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{
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/* Save the copy in undo list */
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PushCommandToUndoList( commandToUndo );
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/* Clear redo list, because after new save there is no redo to do */
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ClearUndoORRedoList( REDO_LIST );
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}
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else
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{
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delete commandToUndo;
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}
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}
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void SCH_EDIT_FRAME::SaveCopyInUndoList( const PICKED_ITEMS_LIST& aItemsList,
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UNDO_REDO aTypeCommand,
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bool aAppend )
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{
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PICKED_ITEMS_LIST* commandToUndo = nullptr;
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if( !aItemsList.GetCount() )
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return;
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PICKED_ITEMS_LIST* lastUndo = PopCommandFromUndoList();
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// If the last stack was empty, use that one instead of creating a new stack
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if( lastUndo )
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{
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if( aAppend || !lastUndo->GetCount() )
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commandToUndo = lastUndo;
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else
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PushCommandToUndoList( lastUndo );
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}
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if( !commandToUndo )
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commandToUndo = new PICKED_ITEMS_LIST();
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// Copy picker list:
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if( !commandToUndo->GetCount() )
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commandToUndo->CopyList( aItemsList );
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else
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{
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// Unless we are appending, in which case, get the picker items
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for( unsigned ii = 0; ii < aItemsList.GetCount(); ii++ )
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commandToUndo->PushItem( aItemsList.GetItemWrapper( ii) );
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}
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// Verify list, and creates data if needed
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for( unsigned ii = 0; ii < commandToUndo->GetCount(); ii++ )
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{
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SCH_ITEM* sch_item = dynamic_cast<SCH_ITEM*>( commandToUndo->GetPickedItem( ii ) );
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// Common items implemented in EDA_DRAW_FRAME will not be SCH_ITEMs.
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if( !sch_item )
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continue;
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// Connectivity may change
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sch_item->SetConnectivityDirty();
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UNDO_REDO command = commandToUndo->GetPickedItemStatus( ii );
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if( command == UNDO_REDO::UNSPECIFIED )
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{
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command = aTypeCommand;
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commandToUndo->SetPickedItemStatus( command, ii );
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}
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switch( command )
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{
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case UNDO_REDO::CHANGED:
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/* If needed, create a copy of item, and put in undo list
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* in the picker, as link
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* If this link is not null, the copy is already done
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*/
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if( commandToUndo->GetPickedItemLink( ii ) == nullptr )
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commandToUndo->SetPickedItemLink( sch_item->Duplicate( true ), ii );
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wxASSERT( commandToUndo->GetPickedItemLink( ii ) );
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break;
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case UNDO_REDO::NEWITEM:
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case UNDO_REDO::DELETED:
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case UNDO_REDO::EXCHANGE_T:
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case UNDO_REDO::PAGESETTINGS:
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break;
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default:
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wxFAIL_MSG( wxString::Format( wxT( "Unknown undo/redo command %d" ), command ) );
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break;
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}
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}
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if( commandToUndo->GetCount() )
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{
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/* Save the copy in undo list */
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PushCommandToUndoList( commandToUndo );
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/* Clear redo list, because after new save there is no redo to do */
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ClearUndoORRedoList( REDO_LIST );
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}
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else // Should not occur
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{
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delete commandToUndo;
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}
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}
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void SCH_EDIT_FRAME::PutDataInPreviousState( PICKED_ITEMS_LIST* aList )
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{
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// Undo in the reverse order of list creation: (this can allow stacked changes like the
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// same item can be changed and deleted in the same complex command).
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// After hitting 0, subtracting 1 will roll the value over to its max representation
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for( unsigned ii = aList->GetCount() - 1; ii < std::numeric_limits<unsigned>::max(); ii-- )
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{
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UNDO_REDO status = aList->GetPickedItemStatus( ii );
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EDA_ITEM* eda_item = aList->GetPickedItem( ii );
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SCH_SCREEN* screen = dynamic_cast<SCH_SCREEN*>( aList->GetScreenForItem( ii ) );
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wxCHECK( screen, /* void */ );
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eda_item->SetFlags( aList->GetPickerFlags( ii ) );
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eda_item->ClearEditFlags();
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eda_item->ClearTempFlags();
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if( status == UNDO_REDO::NOP )
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{
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continue;
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}
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if( status == UNDO_REDO::NEWITEM )
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{
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// If we are removing the current sheet, get out first
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if( SCH_SHEET* sheet = dyn_cast<SCH_SHEET*>( eda_item ) )
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{
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if( sheet->GetScreen() == GetScreen() )
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GetToolManager()->RunAction( EE_ACTIONS::leaveSheet );
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}
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RemoveFromScreen( eda_item, screen );
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aList->SetPickedItemStatus( UNDO_REDO::DELETED, ii );
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}
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else if( status == UNDO_REDO::DELETED )
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{
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// deleted items are re-inserted on undo
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AddToScreen( eda_item, screen );
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aList->SetPickedItemStatus( UNDO_REDO::NEWITEM, ii );
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}
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else if( status == UNDO_REDO::PAGESETTINGS )
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{
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SetCurrentSheet( *m_schematic->GetSheets().FindSheetForScreen( screen ) );
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DisplayCurrentSheet();
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// swap current settings with stored settings
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DS_PROXY_UNDO_ITEM alt_item( this );
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DS_PROXY_UNDO_ITEM* item = static_cast<DS_PROXY_UNDO_ITEM*>( eda_item );
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item->Restore( this );
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*item = alt_item;
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}
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else if( SCH_ITEM* item = dynamic_cast<SCH_ITEM*>( eda_item ) )
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{
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// everything else is modified in place
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SCH_ITEM* alt_item = static_cast<SCH_ITEM*>( aList->GetPickedItemLink( ii ) );
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// The root sheet is a pseudo object that owns the root screen object but is not on
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// the root screen so do not attempt to remove it from the screen it owns.
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if( item != &Schematic().Root() )
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RemoveFromScreen( item, screen );
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switch( status )
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{
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case UNDO_REDO::CHANGED:
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item->SwapData( alt_item );
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break;
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case UNDO_REDO::EXCHANGE_T:
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aList->SetPickedItem( alt_item, ii );
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aList->SetPickedItemLink( item, ii );
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item = alt_item;
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break;
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default:
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wxFAIL_MSG( wxString::Format( wxT( "Unknown undo/redo command %d" ),
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aList->GetPickedItemStatus( ii ) ) );
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break;
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}
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if( item->Type() == SCH_SYMBOL_T )
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{
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SCH_SYMBOL* sym = static_cast<SCH_SYMBOL*>( item );
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sym->UpdatePins();
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}
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if( item != &Schematic().Root() )
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AddToScreen( item, screen );
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}
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}
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// Bitmaps are cached in Opengl: clear the cache, because
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// the cache data can be invalid
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GetCanvas()->GetView()->RecacheAllItems();
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GetCanvas()->GetView()->ClearHiddenFlags();
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}
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void SCH_EDIT_FRAME::RollbackSchematicFromUndo()
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{
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PICKED_ITEMS_LIST* undo = PopCommandFromUndoList();
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// Skip empty frames
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while( undo && ( !undo->GetCount()
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|| ( undo->GetCount() == 1 && undo->GetPickedItemStatus( 0 ) == UNDO_REDO::NOP ) ) )
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{
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delete undo;
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undo = PopCommandFromUndoList();
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}
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if( undo )
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{
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PutDataInPreviousState( undo );
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undo->ClearListAndDeleteItems();
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delete undo;
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SetSheetNumberAndCount();
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UpdateHierarchyNavigator();
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TestDanglingEnds();
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m_toolManager->GetTool<EE_SELECTION_TOOL>()->RebuildSelection();
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}
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SyncView();
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GetCanvas()->Refresh();
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}
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void SCH_EDIT_FRAME::ClearUndoORRedoList( UNDO_REDO_LIST whichList, int aItemCount )
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{
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if( aItemCount == 0 )
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return;
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UNDO_REDO_CONTAINER& list = whichList == UNDO_LIST ? m_undoList : m_redoList;
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for( PICKED_ITEMS_LIST* command : list.m_CommandsList )
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{
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command->ClearListAndDeleteItems();
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delete command;
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}
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list.m_CommandsList.clear();
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}
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