397 lines
14 KiB
C++
397 lines
14 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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* @author Tomasz Wlostowski <tomasz.wlostowski@cern.ch>
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* @author Maciej Suminski <maciej.suminski@cern.ch>
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* Copyright (C) 2017-2020 KiCad Developers, see CHANGELOG.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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#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/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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* PCB_SELECTION_TOOL
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*
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* Our sample 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 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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/**
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* Function Main()
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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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* Function GetSelection()
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*
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* Returns 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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* Function RequestSelection()
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*
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* Returns the current selection set, filtered according to aFlags and aClientFilter.
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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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* Function select()
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* Takes 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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* Function selectable()
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* Checks 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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* Function guessSelectionCandidates()
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* Tries 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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* @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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* Function SelectionMenu()
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* Shows 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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* Rebuilds the selection from the EDA_ITEMs' selection flags. Commonly called after
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* rolling back an undo state to make sure there aren't any stale 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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///> Sets up handlers for various events.
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void setTransitions() override;
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///> Zooms 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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void FilterCollectorForGroups( GENERAL_COLLECTOR& aCollector ) const;
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PCB_GROUP* GetEnteredGroup() { return m_enteredGroup; }
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///> Applies the SELECTION_FILTER_OPTIONS to a collection of items
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void FilterCollectedItems( GENERAL_COLLECTOR& aCollector );
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private:
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/**
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* Function selectPoint()
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* Selects an item pointed by the parameter aWhere. If there is more than one item at that
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* place, there is a menu displayed that allows 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 cancelled (for instance, by clicking outside of the 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 = NULL,
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CLIENT_SELECTION_FILTER aClientFilter = NULL );
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/**
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* Function selectCursor()
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* Selects an item under the cursor unless there is something already selected or aSelectAlways
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* is true.
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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 = NULL );
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/**
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* Function selectMultiple()
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* Handles drawing a selection box that allows one to select many items at
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* the same time.
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*
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* @return true if the function was cancelled (i.e. CancelEvent was received).
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*/
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bool selectMultiple();
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/**
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* Allows the selection of a single item from a list via pop-up menu. The items are
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* highlighted on the canvas when hovered in the menu. The collector is trimmed to
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* the picked item.
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* @param aTitle (optional) Allows the menu to be titled (ie: "Clarify Selection").
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* @return true if an item was picked
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*/
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bool doSelectionMenu( GENERAL_COLLECTOR* aItems, const wxString& aTitle );
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/**
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* Expands 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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* Selects all copper connections belonging to the same net(s) as the
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* 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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/** 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
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* via if there is a trace on another layer as well, but a via
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* with only one connection will be selected. */
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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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* Selects connecteed 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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* Selects all items with the given net code
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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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* Selects all items with the given sheet timestamp/UUID name
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* (the sheet path)
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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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///> Selects all footprints belonging to same sheet, from Eeschema,
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///> using crossprobing
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int selectSheetContents( const TOOL_EVENT& aEvent );
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///> Selects all footprints belonging to same hierarchical sheet
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///> as the selected footprint (same sheet path).
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int selectSameSheet( const TOOL_EVENT& aEvent );
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///> Find dialog callback.
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void findCallback( BOARD_ITEM* aItem );
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///> Find an item.
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int find( 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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///> Returns true if the given item passes the current SELECTION_FILTER_OPTIONS
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bool itemPassesFilter( BOARD_ITEM* aItem );
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/**
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* Function pickSmallestComponent()
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* Allows one to find the smallest (in terms of bounding box area) item from the list.
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*
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* @param aCollector containes the list of items.
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*/
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BOARD_ITEM* pickSmallestComponent( GENERAL_COLLECTOR* aCollector );
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/**
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* Function unselect()
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* Takes 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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* Function highlight()
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* Highlights the item visually.
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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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* Function unhighlight()
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* Unhighlights the item visually.
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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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* Function selectionContains()
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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,
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PCB_SELECTION* aSelectionViewGroup, bool isChild);
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void unhighlightInternal( BOARD_ITEM* aItem, int aHighlightMode,
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PCB_SELECTION* aSelectionViewGroup, bool isChild);
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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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bool m_additive; // Items should be added to selection (instead of replacing)
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bool m_subtractive; // Items should be removed from selection
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bool m_exclusive_or; // Items' selection state should be toggled
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bool m_multiple; // Multiple selection mode is active
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bool m_skip_heuristics; // Heuristics are not allowed when choosing item under cursor
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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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