kicad/pcbnew/tools/pcb_selection_tool.h

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