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kicad/common/tool/action_menu.cpp

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2013-2019 CERN
* Copyright (C) 2013-2021 KiCad Developers, see AUTHORS.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
*/
#include <bitmaps.h>
#include <eda_base_frame.h>
#include <functional>
#include <id.h>
#include <kiface_i.h>
#include <menus_helpers.h>
#include <tool/action_menu.h>
#include <tool/actions.h>
#include <tool/tool_event.h>
#include <tool/tool_interactive.h>
#include <tool/tool_manager.h>
#include <trace_helpers.h>
#include <wx/log.h>
#include <wx/stc/stc.h>
#include <textentry_tricks.h>
#include <wx/listctrl.h>
using namespace std::placeholders;
ACTION_MENU::ACTION_MENU( bool isContextMenu, TOOL_INTERACTIVE* aTool ) :
m_isForcedPosition( false ),
m_dirty( true ),
m_titleDisplayed( false ),
m_isContextMenu( isContextMenu ),
m_icon( BITMAPS::INVALID_BITMAP ),
m_selected( -1 ),
m_tool( aTool )
{
setupEvents();
}
ACTION_MENU::~ACTION_MENU()
{
// Set parent to NULL to prevent submenus from unregistering from a nonexistent object
for( auto menu : m_submenus )
menu->SetParent( nullptr );
ACTION_MENU* parent = dynamic_cast<ACTION_MENU*>( GetParent() );
if( parent )
parent->m_submenus.remove( this );
}
void ACTION_MENU::SetIcon( BITMAPS aIcon )
{
m_icon = aIcon;
}
void ACTION_MENU::setupEvents()
{
Connect( wxEVT_COMMAND_MENU_SELECTED, wxMenuEventHandler( ACTION_MENU::OnMenuEvent ), nullptr,
this );
Connect( wxEVT_IDLE, wxIdleEventHandler( ACTION_MENU::OnIdle ), nullptr, this );
}
void ACTION_MENU::SetTitle( const wxString& aTitle )
{
// Unfortunately wxMenu::SetTitle() does not work very well, so this is an alternative version
m_title = aTitle;
// Update the menu title
if( m_titleDisplayed )
DisplayTitle( true );
}
void ACTION_MENU::DisplayTitle( bool aDisplay )
{
if( ( !aDisplay || m_title.IsEmpty() ) && m_titleDisplayed )
{
// Destroy the menu entry keeping the title..
wxMenuItem* item = FindItemByPosition( 0 );
wxASSERT( item->GetItemLabelText() == GetTitle() );
Destroy( item );
// ..and separator
item = FindItemByPosition( 0 );
wxASSERT( item->IsSeparator() );
Destroy( item );
m_titleDisplayed = false;
}
else if( aDisplay && !m_title.IsEmpty() )
{
if( m_titleDisplayed )
{
// Simply update the title
FindItemByPosition( 0 )->SetItemLabel( m_title );
}
else
{
// Add a separator and a menu entry to display the title
InsertSeparator( 0 );
Insert( 0, new wxMenuItem( this, wxID_NONE, m_title, wxEmptyString, wxITEM_NORMAL ) );
if( !!m_icon )
AddBitmapToMenuItem( FindItemByPosition( 0 ), KiBitmap( m_icon ) );
m_titleDisplayed = true;
}
}
}
wxMenuItem* ACTION_MENU::Add( const wxString& aLabel, int aId, BITMAPS aIcon )
{
wxASSERT_MSG( FindItem( aId ) == nullptr, "Duplicate menu IDs!" );
wxMenuItem* item = new wxMenuItem( this, aId, aLabel, wxEmptyString, wxITEM_NORMAL );
if( !!aIcon )
AddBitmapToMenuItem( item, KiBitmap( aIcon ) );
return Append( item );
}
wxMenuItem* ACTION_MENU::Add( const wxString& aLabel, const wxString& aTooltip, int aId,
BITMAPS aIcon, bool aIsCheckmarkEntry )
{
wxASSERT_MSG( FindItem( aId ) == nullptr, "Duplicate menu IDs!" );
wxMenuItem* item = new wxMenuItem( this, aId, aLabel, aTooltip,
aIsCheckmarkEntry ? wxITEM_CHECK : wxITEM_NORMAL );
if( !!aIcon )
AddBitmapToMenuItem( item, KiBitmap( aIcon ) );
return Append( item );
}
wxMenuItem* ACTION_MENU::Add( const TOOL_ACTION& aAction, bool aIsCheckmarkEntry,
const wxString& aOverrideLabel )
{
/// ID numbers for tool actions are assigned above ACTION_BASE_UI_ID inside TOOL_EVENT
BITMAPS icon = aAction.GetIcon();
// Allow the label to be overridden at point of use
wxString menuLabel = aOverrideLabel.IsEmpty() ? aAction.GetMenuItem() : aOverrideLabel;
wxMenuItem* item = new wxMenuItem( this, aAction.GetUIId(), menuLabel,
aAction.GetDescription(),
aIsCheckmarkEntry ? wxITEM_CHECK : wxITEM_NORMAL );
if( !!icon )
AddBitmapToMenuItem( item, KiBitmap( icon ) );
m_toolActions[aAction.GetUIId()] = &aAction;
return Append( item );
}
wxMenuItem* ACTION_MENU::Add( ACTION_MENU* aMenu )
{
ACTION_MENU* menuCopy = aMenu->Clone();
m_submenus.push_back( menuCopy );
wxASSERT_MSG( !menuCopy->m_title.IsEmpty(), "Set a title for ACTION_MENU using SetTitle()" );
if( !!aMenu->m_icon )
{
wxMenuItem* newItem = new wxMenuItem( this, -1, menuCopy->m_title );
AddBitmapToMenuItem( newItem, KiBitmap( aMenu->m_icon ) );
newItem->SetSubMenu( menuCopy );
return Append( newItem );
}
else
{
return AppendSubMenu( menuCopy, menuCopy->m_title );
}
}
void ACTION_MENU::AddClose( wxString aAppname )
{
#ifdef __WINDOWS__
Add( _( "Close" ),
wxString::Format( _( "Close %s" ), aAppname ),
wxID_CLOSE,
BITMAPS::exit );
#else
Add( _( "Close" ) + "\tCtrl+W",
wxString::Format( _( "Close %s" ), aAppname ),
wxID_CLOSE,
BITMAPS::exit );
#endif
}
void ACTION_MENU::AddQuitOrClose( KIFACE_I* aKiface, wxString aAppname )
{
if( !aKiface || aKiface->IsSingle() ) // not when under a project mgr
{
// Don't use ACTIONS::quit; wxWidgets moves this on OSX and expects to find it via
// wxID_EXIT
Add( _( "Quit" ) + "\tCtrl+Q",
wxString::Format( _( "Quit %s" ), aAppname ),
wxID_EXIT,
BITMAPS::exit );
}
else
{
AddClose( aAppname );
}
}
void ACTION_MENU::Clear()
{
m_titleDisplayed = false;
for( int i = GetMenuItemCount() - 1; i >= 0; --i )
Destroy( FindItemByPosition( i ) );
m_toolActions.clear();
m_submenus.clear();
wxASSERT( GetMenuItemCount() == 0 );
}
bool ACTION_MENU::HasEnabledItems() const
{
bool hasEnabled = false;
auto& items = GetMenuItems();
for( auto item : items )
{
if( item->IsEnabled() && !item->IsSeparator() )
{
hasEnabled = true;
break;
}
}
return hasEnabled;
}
void ACTION_MENU::UpdateAll()
{
try
{
update();
}
catch( std::exception& )
{
}
if( m_tool )
updateHotKeys();
runOnSubmenus( std::bind( &ACTION_MENU::UpdateAll, _1 ) );
}
void ACTION_MENU::ClearDirty()
{
m_dirty = false;
runOnSubmenus( std::bind( &ACTION_MENU::ClearDirty, _1 ) );
}
void ACTION_MENU::SetDirty()
{
m_dirty = true;
runOnSubmenus( std::bind( &ACTION_MENU::SetDirty, _1 ) );
}
void ACTION_MENU::SetTool( TOOL_INTERACTIVE* aTool )
{
m_tool = aTool;
runOnSubmenus( std::bind( &ACTION_MENU::SetTool, _1, aTool ) );
}
ACTION_MENU* ACTION_MENU::Clone() const
{
ACTION_MENU* clone = create();
clone->Clear();
clone->copyFrom( *this );
return clone;
}
ACTION_MENU* ACTION_MENU::create() const
{
ACTION_MENU* menu = new ACTION_MENU( false );
wxASSERT_MSG( typeid( *this ) == typeid( *menu ),
wxString::Format( "You need to override create() method for class %s",
typeid( *this ).name() ) );
return menu;
}
TOOL_MANAGER* ACTION_MENU::getToolManager() const
{
wxASSERT( m_tool );
return m_tool ? m_tool->GetManager() : nullptr;
}
void ACTION_MENU::updateHotKeys()
{
TOOL_MANAGER* toolMgr = getToolManager();
for( auto& ii : m_toolActions )
{
int id = ii.first;
const TOOL_ACTION& action = *ii.second;
int key = toolMgr->GetHotKey( action ) & ~MD_MODIFIER_MASK;
if( key )
{
int mod = toolMgr->GetHotKey( action ) & MD_MODIFIER_MASK;
int flags = 0;
wxMenuItem* item = FindChildItem( id );
if( item )
{
flags |= ( mod & MD_ALT ) ? wxACCEL_ALT : 0;
flags |= ( mod & MD_CTRL ) ? wxACCEL_CTRL : 0;
flags |= ( mod & MD_SHIFT ) ? wxACCEL_SHIFT : 0;
if( !flags )
flags = wxACCEL_NORMAL;
wxAcceleratorEntry accel( flags, key, id, item );
item->SetAccel( &accel );
}
}
}
}
// wxWidgets doesn't tell us when a menu command was generated from a hotkey or from
// a menu selection. It's important to us because a hotkey can be an immediate action
// while the menu selection can not (as it has no associated position).
//
// We get around this by storing the last highlighted menuId. If it matches the command
// id then we know this is a menu selection. (You might think we could use the menuOpen
// menuClose events, but these are actually generated for hotkeys as well.)
static int g_last_menu_highlighted_id = 0;
// We need to store the position of the mouse when the menu was opened so it can be passed
// to the command event generated when the menu item is selected.
static VECTOR2D g_menu_open_position;
void ACTION_MENU::OnIdle( wxIdleEvent& event )
{
g_last_menu_highlighted_id = 0;
g_menu_open_position.x = 0.0;
g_menu_open_position.y = 0.0;
}
void ACTION_MENU::OnMenuEvent( wxMenuEvent& aEvent )
{
OPT_TOOL_EVENT evt;
wxString menuText;
wxEventType type = aEvent.GetEventType();
wxWindow* focus = wxWindow::FindFocus();
if( type == wxEVT_MENU_OPEN )
{
if( m_dirty && m_tool )
getToolManager()->RunAction( ACTIONS::updateMenu, true, this );
wxMenu* parent = dynamic_cast<wxMenu*>( GetParent() );
// Don't update the position if this menu has a parent
if( !parent && m_tool )
g_menu_open_position = getToolManager()->GetMousePosition();
g_last_menu_highlighted_id = 0;
}
else if( type == wxEVT_MENU_HIGHLIGHT )
{
if( aEvent.GetId() > 0 )
g_last_menu_highlighted_id = aEvent.GetId();
evt = TOOL_EVENT( TC_COMMAND, TA_CHOICE_MENU_UPDATE, aEvent.GetId() );
}
else if( type == wxEVT_COMMAND_MENU_SELECTED )
{
// Despite our attempts to catch the theft of text editor CHAR_HOOK and CHAR events
// in TOOL_DISPATCHER::DispatchWxEvent, wxWidgets sometimes converts those it knows
// about into menu commands without ever generating the appropriate CHAR_HOOK and CHAR
// events first.
if( dynamic_cast<wxTextEntry*>( focus )
|| dynamic_cast<wxStyledTextCtrl*>( focus )
|| dynamic_cast<wxListView*>( focus ) )
{
// Original key event has been lost, so we have to re-create it from the menu's
// wxAcceleratorEntry.
wxMenuItem* menuItem = FindItem( aEvent.GetId() );
wxAcceleratorEntry* acceleratorKey = menuItem ? menuItem->GetAccel() : nullptr;
if( acceleratorKey )
{
wxKeyEvent keyEvent( wxEVT_CHAR_HOOK );
keyEvent.m_keyCode = acceleratorKey->GetKeyCode();
keyEvent.m_controlDown = ( acceleratorKey->GetFlags() & wxMOD_CONTROL ) > 0;
keyEvent.m_shiftDown = ( acceleratorKey->GetFlags() & wxMOD_SHIFT ) > 0;
keyEvent.m_altDown = ( acceleratorKey->GetFlags() & wxMOD_ALT ) > 0;
if( auto ctrl = dynamic_cast<wxTextEntry*>( focus ) )
TEXTENTRY_TRICKS::OnCharHook( ctrl, keyEvent );
else
focus->HandleWindowEvent( keyEvent );
if( keyEvent.GetSkipped() )
{
keyEvent.SetEventType( wxEVT_CHAR );
focus->HandleWindowEvent( keyEvent );
}
// If the event was used as KEY event (not skipped) by the focused window,
// just finish.
// Otherwise this is actually a wxEVT_COMMAND_MENU_SELECTED, or the
// focused window is read only
if( !keyEvent.GetSkipped() )
return;
}
}
// Store the selected position, so it can be checked by the tools
m_selected = aEvent.GetId();
ACTION_MENU* parent = dynamic_cast<ACTION_MENU*>( GetParent() );
while( parent )
{
parent->m_selected = m_selected;
parent = dynamic_cast<ACTION_MENU*>( parent->GetParent() );
}
// Check if there is a TOOL_ACTION for the given ID
if( m_selected >= TOOL_ACTION::GetBaseUIId() )
evt = findToolAction( m_selected );
if( !evt )
{
#ifdef __WINDOWS__
if( !evt )
{
// Try to find the submenu which holds the selected item
wxMenu* menu = nullptr;
FindItem( m_selected, &menu );
// This conditional compilation is probably not needed.
// It will be removed later, for the Kicad V 6.x version.
// But in "old" 3.0 version, the "&& menu != this" contition was added to avoid
// hang. This hang is no longer encountered in wxWidgets 3.0.4 version, and this
// condition is no longer needed. And in 3.1.2, we have to remove it, as
// "menu != this" never happens ("menu != this" always happens in 3.1.1 and older!).
#if wxCHECK_VERSION( 3, 1, 2 )
if( menu )
#else
if( menu && menu != this )
#endif
{
ACTION_MENU* cxmenu = static_cast<ACTION_MENU*>( menu );
evt = cxmenu->eventHandler( aEvent );
}
}
#else
if( !evt )
runEventHandlers( aEvent, evt );
#endif
// Handling non-ACTION menu entries. Two ranges of ids are supported:
// between 0 and ID_CONTEXT_MENU_ID_MAX
// between ID_POPUP_MENU_START and ID_POPUP_MENU_END
#define ID_CONTEXT_MENU_ID_MAX wxID_LOWEST /* = 100 should be plenty */
if( !evt &&
( ( m_selected >= 0 && m_selected < ID_CONTEXT_MENU_ID_MAX ) ||
( m_selected >= ID_POPUP_MENU_START && m_selected <= ID_POPUP_MENU_END ) ) )
{
ACTION_MENU* actionMenu = dynamic_cast<ACTION_MENU*>( GetParent() );
if( actionMenu && actionMenu->PassHelpTextToHandler() )
menuText = GetHelpString( aEvent.GetId() );
else
menuText = GetLabelText( aEvent.GetId() );
evt = TOOL_EVENT( TC_COMMAND, TA_CHOICE_MENU_CHOICE, m_selected, AS_GLOBAL,
&menuText );
}
}
}
// forward the action/update event to the TOOL_MANAGER
// clients that don't supply a tool will have to check GetSelected() themselves
if( evt && m_tool )
{
wxLogTrace( kicadTraceToolStack, "ACTION_MENU::OnMenuEvent %s", evt->Format() );
// WARNING: if you're squeamish, look away.
// What follows is a series of egregious hacks necessitated by a lack of information from
// wxWidgets on where context-menu-commands and command-key-events originated.
// If it's a context menu then fetch the mouse position from our context-menu-position
// hack.
if( m_isContextMenu )
{
evt->SetMousePosition( g_menu_open_position );
}
// Otherwise, if g_last_menu_highlighted_id matches then it's a menubar menu event and has
// no position.
else if( g_last_menu_highlighted_id == aEvent.GetId() )
{
evt->SetHasPosition( false );
}
// Otherwise it's a command-key-event and we need to get the mouse position from the tool
// manager so that immediate actions work.
else
{
evt->SetMousePosition( getToolManager()->GetMousePosition() );
}
if( m_tool->GetManager() )
m_tool->GetManager()->ProcessEvent( *evt );
}
else
{
aEvent.Skip();
}
}
void ACTION_MENU::runEventHandlers( const wxMenuEvent& aMenuEvent, OPT_TOOL_EVENT& aToolEvent )
{
aToolEvent = eventHandler( aMenuEvent );
if( !aToolEvent )
runOnSubmenus( std::bind( &ACTION_MENU::runEventHandlers, _1, aMenuEvent, aToolEvent ) );
}
void ACTION_MENU::runOnSubmenus( std::function<void(ACTION_MENU*)> aFunction )
{
try
{
std::for_each( m_submenus.begin(), m_submenus.end(), [&]( ACTION_MENU* m ) {
aFunction( m );
m->runOnSubmenus( aFunction );
} );
}
catch( std::exception& )
{
}
}
OPT_TOOL_EVENT ACTION_MENU::findToolAction( int aId )
{
OPT_TOOL_EVENT evt;
auto findFunc = [&]( ACTION_MENU* m ) {
if( evt )
return;
const auto it = m->m_toolActions.find( aId );
if( it != m->m_toolActions.end() )
evt = it->second->MakeEvent();
};
findFunc( this );
if( !evt )
runOnSubmenus( findFunc );
return evt;
}
void ACTION_MENU::copyFrom( const ACTION_MENU& aMenu )
{
m_icon = aMenu.m_icon;
m_title = aMenu.m_title;
m_titleDisplayed = aMenu.m_titleDisplayed;
m_selected = -1; // aMenu.m_selected;
m_tool = aMenu.m_tool;
m_toolActions = aMenu.m_toolActions;
// Copy all menu entries
for( int i = 0; i < (int) aMenu.GetMenuItemCount(); ++i )
{
wxMenuItem* item = aMenu.FindItemByPosition( i );
appendCopy( item );
}
}
wxMenuItem* ACTION_MENU::appendCopy( const wxMenuItem* aSource )
{
wxMenuItem* newItem = new wxMenuItem( this, aSource->GetId(), aSource->GetItemLabel(),
aSource->GetHelp(), aSource->GetKind() );
// Add the source bitmap if it is not the wxNullBitmap
// On Windows, for Checkable Menu items, adding a bitmap adds also
// our predefined checked alternate bitmap
// On other OS, wxITEM_CHECK and wxITEM_RADIO Menu items do not use custom bitmaps.
#if defined( _WIN32 )
// On Windows, AddBitmapToMenuItem() uses the unchecked bitmap for wxITEM_CHECK and
// wxITEM_RADIO menuitems and autoamtically adds a checked bitmap.
// For other menuitrms, use the "checked" bitmap.
bool use_checked_bm = ( aSource->GetKind() == wxITEM_CHECK ||
aSource->GetKind() == wxITEM_RADIO ) ? false : true;
const wxBitmap& src_bitmap = aSource->GetBitmap( use_checked_bm );
#else
const wxBitmap& src_bitmap = aSource->GetBitmap();
#endif
if( src_bitmap.IsOk() && src_bitmap.GetHeight() > 1 ) // a null bitmap has a 0 size
AddBitmapToMenuItem( newItem, src_bitmap );
if( aSource->IsSubMenu() )
{
ACTION_MENU* menu = dynamic_cast<ACTION_MENU*>( aSource->GetSubMenu() );
wxASSERT_MSG( menu, "Submenus are expected to be a ACTION_MENU" );
if( menu )
{
ACTION_MENU* menuCopy = menu->Clone();
newItem->SetSubMenu( menuCopy );
m_submenus.push_back( menuCopy );
}
}
// wxMenuItem has to be added before enabling/disabling or checking
Append( newItem );
if( aSource->IsCheckable() )
newItem->Check( aSource->IsChecked() );
newItem->Enable( aSource->IsEnabled() );
return newItem;
}
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