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kicad/common/tool/selection_tool.cpp

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2021-2022 KiCad Developers, see AUTHORS.TXT for contributors.
*
* 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 3
* 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/gpl-3.0.html
* or you may search the http://www.gnu.org website for the version 3 license,
* or you may write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <bitmaps.h>
#include <widgets/ui_common.h>
#include <collector.h>
#include <tool/tool_manager.h>
#include <tool/actions.h>
#include <tool/selection_tool.h>
#include <view/view.h>
#include <eda_draw_frame.h>
SELECTION_TOOL::SELECTION_TOOL( const std::string& aName ) :
TOOL_INTERACTIVE( aName ),
m_additive( false ),
m_subtractive( false ),
m_exclusive_or( false ),
m_multiple( false ),
m_skip_heuristics( false ),
m_highlight_modifier( false ),
m_drag_additive( false ),
m_drag_subtractive( false ),
m_canceledMenu( false )
{
}
void SELECTION_TOOL::setModifiersState( bool aShiftState, bool aCtrlState, bool aAltState )
{
// Set the configuration of m_additive, m_subtractive, m_exclusive_or from the state of
// modifier keys SHIFT and CTRL
// ALT key cannot be used on MSW because of a conflict with the system menu
m_subtractive = aCtrlState && aShiftState;
m_additive = !aCtrlState && aShiftState;
if( ctrlClickHighlights() )
{
m_exclusive_or = false;
m_highlight_modifier = aCtrlState && !aShiftState;
}
else
{
m_exclusive_or = aCtrlState && !aShiftState;
m_highlight_modifier = false;
}
// Drag is more forgiving and allows either Ctrl+Drag or Shift+Drag to add to the selection
// Note, however that we cannot provide disambiguation at the same time as the box selection
m_drag_additive = ( aCtrlState || aShiftState ) && !aAltState;
m_drag_subtractive = aCtrlState && aShiftState && !aAltState;
// While the ALT key has some conflicts under MSW (and some flavors of Linux WMs), it remains
// useful for users who only use tap-click rather than holding the button. We disable it for
// windows because it flashes the disambiguation menu without showing data
#ifndef __WINDOWS__
m_skip_heuristics = aAltState;
#else
m_skip_heuristics = false;
#endif
}
bool SELECTION_TOOL::hasModifier()
{
return m_subtractive || m_additive || m_exclusive_or;
}
int SELECTION_TOOL::UpdateMenu( const TOOL_EVENT& aEvent )
{
ACTION_MENU* actionMenu = aEvent.Parameter<ACTION_MENU*>();
CONDITIONAL_MENU* conditionalMenu = dynamic_cast<CONDITIONAL_MENU*>( actionMenu );
if( conditionalMenu )
conditionalMenu->Evaluate( selection() );
if( actionMenu )
actionMenu->UpdateAll();
return 0;
}
int SELECTION_TOOL::AddItemToSel( const TOOL_EVENT& aEvent )
{
AddItemToSel( aEvent.Parameter<EDA_ITEM*>() );
selection().SetIsHover( false );
return 0;
}
void SELECTION_TOOL::AddItemToSel( EDA_ITEM* aItem, bool aQuietMode )
{
if( aItem )
{
select( aItem );
// Inform other potentially interested tools
if( !aQuietMode )
m_toolMgr->ProcessEvent( EVENTS::SelectedEvent );
}
}
int SELECTION_TOOL::AddItemsToSel( const TOOL_EVENT& aEvent )
{
AddItemsToSel( aEvent.Parameter<EDA_ITEMS*>(), false );
selection().SetIsHover( false );
return 0;
}
void SELECTION_TOOL::AddItemsToSel( EDA_ITEMS* aList, bool aQuietMode )
{
if( aList )
{
for( EDA_ITEM* item : *aList )
select( item );
// Inform other potentially interested tools
if( !aQuietMode )
m_toolMgr->ProcessEvent( EVENTS::SelectedEvent );
}
}
int SELECTION_TOOL::RemoveItemFromSel( const TOOL_EVENT& aEvent )
{
RemoveItemFromSel( aEvent.Parameter<EDA_ITEM*>() );
selection().SetIsHover( false );
return 0;
}
void SELECTION_TOOL::RemoveItemFromSel( EDA_ITEM* aItem, bool aQuietMode )
{
if( aItem )
{
unselect( aItem );
// Inform other potentially interested tools
if( !aQuietMode )
m_toolMgr->ProcessEvent( EVENTS::UnselectedEvent );
}
}
int SELECTION_TOOL::RemoveItemsFromSel( const TOOL_EVENT& aEvent )
{
RemoveItemsFromSel( aEvent.Parameter<EDA_ITEMS*>(), false );
selection().SetIsHover( false );
return 0;
}
void SELECTION_TOOL::RemoveItemsFromSel( EDA_ITEMS* aList, bool aQuietMode )
{
if( aList )
{
for( EDA_ITEM* item : *aList )
unselect( item );
// Inform other potentially interested tools
if( !aQuietMode )
m_toolMgr->ProcessEvent( EVENTS::UnselectedEvent );
}
}
void SELECTION_TOOL::RemoveItemsFromSel( std::vector<KIID>* aList, bool aQuietMode )
{
EDA_ITEMS removeItems;
for( EDA_ITEM* item : selection() )
{
if( alg::contains( *aList, item->m_Uuid ) )
removeItems.push_back( item );
}
RemoveItemsFromSel( &removeItems, aQuietMode );
}
void SELECTION_TOOL::BrightenItem( EDA_ITEM* aItem )
{
highlight( aItem, BRIGHTENED );
}
void SELECTION_TOOL::UnbrightenItem( EDA_ITEM* aItem )
{
unhighlight( aItem, BRIGHTENED );
}
void SELECTION_TOOL::onDisambiguationExpire( wxTimerEvent& aEvent )
{
// If there is a multiple selection then it's more likely that we're seeing a paused drag
// than a long-click.
if( selection().GetSize() >= 2 && !hasModifier() )
return;
// If another tool has since started running then we don't want to interrupt
if( !getEditFrame<EDA_DRAW_FRAME>()->ToolStackIsEmpty() )
return;
m_toolMgr->ProcessEvent( EVENTS::DisambiguatePoint );
}
int SELECTION_TOOL::SelectionMenu( const TOOL_EVENT& aEvent )
{
COLLECTOR* collector = aEvent.Parameter<COLLECTOR*>();
if( !doSelectionMenu( collector ) )
collector->m_MenuCancelled = true;
return 0;
}
bool SELECTION_TOOL::doSelectionMenu( COLLECTOR* aCollector )
{
UNITS_PROVIDER* unitsProvider = getEditFrame<EDA_DRAW_FRAME>();
EDA_ITEM* current = nullptr;
SELECTION highlightGroup;
bool selectAll = false;
bool expandSelection = false;
highlightGroup.SetLayer( LAYER_SELECT_OVERLAY );
getView()->Add( &highlightGroup );
do
{
/// The user has requested the full, non-limited list of selection items
if( expandSelection )
aCollector->Combine();
expandSelection = false;
int limit = std::min( 100, aCollector->GetCount() );
ACTION_MENU menu( true );
for( int i = 0; i < limit; ++i )
{
EDA_ITEM* item = ( *aCollector )[i];
wxString menuText;
if( i < 9 )
{
#ifdef __WXMAC__
menuText = wxString::Format( "%s\t%d",
item->GetSelectMenuText( unitsProvider ),
i + 1 );
#else
menuText = wxString::Format( "&%d %s\t%d",
i + 1,
item->GetSelectMenuText( unitsProvider ),
i + 1 );
#endif
}
else
{
menuText = item->GetSelectMenuText( unitsProvider );
}
menu.Add( menuText, i + 1, item->GetMenuImage() );
}
menu.AppendSeparator();
menu.Add( _( "Select &All\tA" ), limit + 1, BITMAPS::INVALID_BITMAP );
if( !expandSelection && aCollector->HasAdditionalItems() )
menu.Add( _( "&Expand Selection\tE" ), limit + 2, BITMAPS::INVALID_BITMAP );
if( aCollector->m_MenuTitle.Length() )
{
menu.SetTitle( aCollector->m_MenuTitle );
menu.SetIcon( BITMAPS::info );
menu.DisplayTitle( true );
}
else
{
menu.DisplayTitle( false );
}
SetContextMenu( &menu, CMENU_NOW );
while( TOOL_EVENT* evt = Wait() )
{
if( evt->Action() == TA_CHOICE_MENU_UPDATE )
{
if( selectAll )
{
for( int i = 0; i < aCollector->GetCount(); ++i )
unhighlight( ( *aCollector )[i], BRIGHTENED, &highlightGroup );
}
else if( current )
{
unhighlight( current, BRIGHTENED, &highlightGroup );
}
int id = *evt->GetCommandId();
// User has pointed an item, so show it in a different way
if( id > 0 && id <= limit )
{
current = ( *aCollector )[id - 1];
highlight( current, BRIGHTENED, &highlightGroup );
}
else
{
current = nullptr;
}
// User has pointed on the "Select All" option
if( id == limit + 1 )
{
for( int i = 0; i < aCollector->GetCount(); ++i )
highlight( ( *aCollector )[i], BRIGHTENED, &highlightGroup );
selectAll = true;
}
else
{
selectAll = false;
}
}
else if( evt->Action() == TA_CHOICE_MENU_CHOICE )
{
if( selectAll )
{
for( int i = 0; i < aCollector->GetCount(); ++i )
unhighlight( ( *aCollector )[i], BRIGHTENED, &highlightGroup );
}
else if( current )
{
unhighlight( current, BRIGHTENED, &highlightGroup );
}
std::optional<int> id = evt->GetCommandId();
// User has selected the "Select All" option
if( id == limit + 1 )
{
selectAll = true;
current = nullptr;
}
// User has selected the "Expand Selection" option
else if( id == limit + 2 )
{
selectAll = false;
current = nullptr;
expandSelection = true;
}
// User has selected an item, so this one will be returned
else if( id && ( *id > 0 ) && ( *id <= limit ) )
{
selectAll = false;
current = ( *aCollector )[*id - 1];
}
// User has cancelled the menu (either by <esc> or clicking out of it)
else
{
selectAll = false;
current = nullptr;
}
}
else if( evt->Action() == TA_CHOICE_MENU_CLOSED )
{
break;
}
getView()->UpdateItems();
getEditFrame<EDA_DRAW_FRAME>()->GetCanvas()->Refresh();
}
} while( expandSelection );
getView()->Remove( &highlightGroup );
if( selectAll )
{
return true;
}
else if( current )
{
aCollector->Empty();
aCollector->Append( current );
return true;
}
return false;
}
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