396 lines
13 KiB
C++
396 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) 2013-2017 CERN
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* Copyright (C) 2017-2021 KiCad Developers, see AUTHORS.TXT for contributors.
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*
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* @author Tomasz Wlostowski <tomasz.wlostowski@cern.ch>
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* @author Maciej Suminski <maciej.suminski@cern.ch>
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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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#ifndef PCB_SELECTION_TOOL_H
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#define PCB_SELECTION_TOOL_H
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#include <memory>
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#include <math/vector2d.h>
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#include <project/board_project_settings.h>
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#include <tool/action_menu.h>
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#include <tool/selection_tool.h>
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#include <tool/tool_menu.h>
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#include <tools/pcb_selection_conditions.h>
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#include <tools/pcb_tool_base.h>
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#include <tools/pcb_selection.h>
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class PCB_BASE_FRAME;
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class BOARD_ITEM;
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class GENERAL_COLLECTOR;
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namespace KIGFX
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{
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class GAL;
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}
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typedef void (*CLIENT_SELECTION_FILTER)( const VECTOR2I&, GENERAL_COLLECTOR&, PCB_SELECTION_TOOL* );
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/**
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* The selection tool: currently supports:
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* - pick single objects (click LMB)
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* - add objects to existing selection (Shift+LMB)
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* - draw selection box (drag LMB)
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* - handles FOOTPRINTs properly (i.e. selects either FOOTPRINT or its PADs, TEXTs, etc.)
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* - takes into account high-contrast & layer visibility settings
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* - invokes InteractiveEdit tool when user starts to drag selected items
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*/
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class PCB_SELECTION_TOOL : public SELECTION_TOOL, public PCB_TOOL_BASE
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{
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public:
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PCB_SELECTION_TOOL();
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~PCB_SELECTION_TOOL();
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/// @copydoc TOOL_BASE::Init()
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bool Init() override;
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/// @copydoc TOOL_BASE::Reset()
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void Reset( RESET_REASON aReason ) override;
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void OnIdle( wxIdleEvent& aEvent );
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/**
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* The main loop.
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*/
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int Main( const TOOL_EVENT& aEvent );
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/**
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* Return the set of currently selected items.
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*/
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PCB_SELECTION& GetSelection();
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/**
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* Return the current selection set, filtered according to aFlags and aClientFilter.
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*
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* If the set is empty, performs the legacy-style hover selection.
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*
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* @param aConfirmLockedItems if true the user will be prompted if they want to drop locked
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* items from the selection or override the locks.
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*/
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PCB_SELECTION& RequestSelection( CLIENT_SELECTION_FILTER aClientFilter,
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bool aConfirmLockedItems = false );
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///< Select a single item under cursor event handler.
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int CursorSelection( const TOOL_EVENT& aEvent );
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///< Clear current selection event handler.
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int ClearSelection( const TOOL_EVENT& aEvent );
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void ClearSelection( bool aQuietMode = false );
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///< Item selection event handler.
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int SelectItem( const TOOL_EVENT& aEvent );
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void AddItemToSel( BOARD_ITEM* aItem, bool aQuietMode = false );
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///< Select all items on the board
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int SelectAll( const TOOL_EVENT& aEvent );
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///< Multiple item selection event handler
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int SelectItems( const TOOL_EVENT& aEvent );
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///< Item unselection event handler.
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int UnselectItem( const TOOL_EVENT& aEvent );
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void RemoveItemFromSel( BOARD_ITEM* aItem, bool aQuietMode = false );
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///< Multiple item unselection event handler
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int UnselectItems( const TOOL_EVENT& aEvent );
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void BrightenItem( BOARD_ITEM* aItem );
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void UnbrightenItem( BOARD_ITEM* aItem );
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/**
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* Handle finding an item. Does not do the actual searching, is called
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* by the find dialog.
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*
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* @param aItem Item that was found and needs to be handled.
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*/
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void FindItem( BOARD_ITEM* aItem );
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/**
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* Take necessary action mark an item as selected.
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*
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* @param aItem is an item to be selected.
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*/
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void select( BOARD_ITEM* aItem );
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/**
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* Check conditions for an item to be selected.
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*
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* @return True if the item fulfills conditions to be selected.
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*/
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bool Selectable( const BOARD_ITEM* aItem, bool checkVisibilityOnly = false ) const;
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/**
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* Try to guess best selection candidates in case multiple items are clicked, by doing
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* some brain-dead heuristics.
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*
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* @param aCollector is the collector that has a list of items to be queried.
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* @param aWhere is the selection point to consider
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*/
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void GuessSelectionCandidates( GENERAL_COLLECTOR& aCollector, const VECTOR2I& aWhere ) const;
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/**
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* Show a popup menu to trim the COLLECTOR passed as aEvent's parameter down to a single
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* item.
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*
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* @note This routine **does not** modify the selection.
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*/
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int SelectionMenu( const TOOL_EVENT& aEvent );
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/**
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* Rebuild the selection from the EDA_ITEMs' selection flags.
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*
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* Commonly called after rolling back an undo state to make sure there aren't any stale
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* pointers.
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*/
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void RebuildSelection();
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SELECTION_FILTER_OPTIONS& GetFilter()
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{
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return m_filter;
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}
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///< Set up handlers for various events.
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void setTransitions() override;
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///< Zoom the screen to center and fit the current selection.
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void zoomFitSelection();
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BOARD* GetBoard() const
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{
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return board();
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}
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void EnterGroup();
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/**
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* Leave the currently entered group.
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*
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* @param aSelectGroup when true will select the group after leaving
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*/
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void ExitGroup( bool aSelectGroup = false );
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PCB_GROUP* GetEnteredGroup() { return m_enteredGroup; }
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/**
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* In general we don't want to select both a parent and any of it's children. This includes
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* both footprints and their items, and groups and their members.
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*/
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void FilterCollectorForHierarchy( GENERAL_COLLECTOR& aCollector, bool aMultiselect ) const;
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///< Apply the SELECTION_FILTER_OPTIONS to a collection of items
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void FilterCollectedItems( GENERAL_COLLECTOR& aCollector, bool aMultiSelect );
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private:
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/**
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* Select an item pointed by the parameter \a aWhere.
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*
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* If there is more than one item at that place, there is a menu displayed that allows
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* one to choose the item.
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*
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* @param aWhere is the place where the item should be selected.
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* @param aOnDrag indicates whether a drag operation is being performed.
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* @param aSelectionCancelledFlag allows the function to inform its caller that a selection
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* was canceled (for instance, by clicking outside of the
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* disambiguation menu).
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* @param aClientFilter allows the client to perform tool- or action-specific filtering.
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* @return True if an item was selected, false otherwise.
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*/
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bool selectPoint( const VECTOR2I& aWhere, bool aOnDrag = false,
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bool* aSelectionCancelledFlag = nullptr,
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CLIENT_SELECTION_FILTER aClientFilter = nullptr );
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/**
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* Select an item under the cursor unless there is something already selected or
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* \a aSelectAlways is true.
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*
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* @param aForceSelect forces to select an item even if there is an item already selected.
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* @param aClientFilter allows the client to perform tool- or action-specific filtering.
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* @return true if eventually there is an item selected, false otherwise.
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*/
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bool selectCursor( bool aForceSelect = false,
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CLIENT_SELECTION_FILTER aClientFilter = nullptr );
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/**
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* Handle drawing a selection box that allows one to select many items at the same time.
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*
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* @return true if the function was canceled (i.e. CancelEvent was received).
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*/
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bool selectMultiple();
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/**
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* Allow the selection of a single item from a list via pop-up menu.
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*
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* The items are highlighted on the canvas when hovered in the menu. The collector is
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* trimmed to the picked item.
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*
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* @return true if an item was picked
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*/
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bool doSelectionMenu( GENERAL_COLLECTOR* aItems );
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/**
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* Start the process to show our disambiguation menu once the user has kept
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* the mouse down for the minimum time
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* @param aEvent
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*/
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void onDisambiguationExpire( wxTimerEvent& aEvent );
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/**
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* Handle disambiguation actions including displaying the menu.
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*/
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int disambiguateCursor( const TOOL_EVENT& aEvent );
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/**
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* Expand the current track selection to the next boundary (junctions, pads, or all)
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*/
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int expandConnection( const TOOL_EVENT& aEvent );
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/**
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* Select all copper connections belonging to the same net(s) as the items in the selection
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*/
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int selectNet( const TOOL_EVENT& aEvent );
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enum STOP_CONDITION
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{
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/**
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* Stop at any place where more than two traces meet.
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*
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* Because vias are also traces, this makes selection stop at a via if there is a trace
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* on another layer as well, but a via with only one connection will be selected.
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*/
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STOP_AT_JUNCTION,
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/** Stop when reaching a pad. */
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STOP_AT_PAD,
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/** Select the entire net. */
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STOP_NEVER
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};
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/**
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* Select connected tracks and vias.
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*
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* @param aStopCondition where to stop selecting more items
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*/
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void selectConnectedTracks( BOARD_CONNECTED_ITEM& aSourceItem, STOP_CONDITION aStopCondition );
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/**
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* Select all items with the given net code.
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*
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* @param aNetCode is the target net to select
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* @param aSelect is true to add the items to the selection, false to remove them (deselect)
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*/
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void selectAllItemsOnNet( int aNetCode, bool aSelect = true );
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/**
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* Select all items with the given sheet timestamp/UUID name (the sheet path).
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*
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* The path of the root sheet is "/".
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*/
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void selectAllItemsOnSheet( wxString& aSheetPath );
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///< Select all footprints belonging to same sheet, from Eeschema using cross-probing.
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int selectSheetContents( const TOOL_EVENT& aEvent );
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///< Select all footprints belonging to same hierarchical sheet as the selected footprint
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///< (same sheet path).
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int selectSameSheet( const TOOL_EVENT& aEvent );
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///< Invoke filter dialog and modify current selection
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int filterSelection( const TOOL_EVENT& aEvent );
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///< Return true if the given item passes the current SELECTION_FILTER_OPTIONS.
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bool itemPassesFilter( BOARD_ITEM* aItem, bool aMultiSelect );
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/**
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* Take necessary action mark an item as unselected.
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*
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* @param aItem is an item to be unselected.
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*/
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void unselect( BOARD_ITEM* aItem );
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/**
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* Highlight the item visually.
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*
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* @param aItem is an item to be be highlighted.
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* @param aHighlightMode should be either SELECTED or BRIGHTENED
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* @param aGroup is the group to add the item to in the BRIGHTENED mode.
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*/
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void highlight( BOARD_ITEM* aItem, int aHighlightMode, PCB_SELECTION* aGroup = nullptr );
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/**
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* Unhighlight the item visually.
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*
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* @param aItem is an item to be be highlighted.
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* @param aHighlightMode should be either SELECTED or BRIGHTENED
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* @param aGroup is the group to remove the item from.
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*/
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void unhighlight( BOARD_ITEM* aItem, int aHighlightMode, PCB_SELECTION* aGroup = nullptr );
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/**
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* @return True if the given point is contained in any of selected items' bounding box.
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*/
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bool selectionContains( const VECTOR2I& aPoint ) const;
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int hitTestDistance( const wxPoint& aWhere, BOARD_ITEM* aItem, int aMaxDistance ) const;
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/**
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* Event handler to update the selection VIEW_ITEM.
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*/
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int updateSelection( const TOOL_EVENT& aEvent );
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/**
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* Pass the selection to a conditional menu for updating.
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*/
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int UpdateMenu( const TOOL_EVENT& aEvent );
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const GENERAL_COLLECTORS_GUIDE getCollectorsGuide() const;
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private:
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void highlightInternal( BOARD_ITEM* aItem, int aHighlightMode, bool aUsingOverlay );
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void unhighlightInternal( BOARD_ITEM* aItem, int aHighlightMode, bool aUsingOverlay );
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private:
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PCB_BASE_FRAME* m_frame; // Pointer to the parent frame
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PCB_SELECTION m_selection; // Current state of selection
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SELECTION_FILTER_OPTIONS m_filter;
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KICURSOR m_nonModifiedCursor; // Cursor in the absence of shift/ctrl/alt
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PCB_GROUP* m_enteredGroup; // If non-null, selections are limited to
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// members of this group
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KIGFX::VIEW_GROUP m_enteredGroupOverlay; // Overlay for the entered group's frame.
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/// Private state (opaque pointer/compilation firewall)
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class PRIV;
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std::unique_ptr<PRIV> m_priv;
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};
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#endif /* PCB_SELECTION_TOOL_H */
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