kicad/include/tool/tool_action.h

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
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* Copyright (C) 2013-2023 CERN
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* Copyright (C) 2020 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
*/
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#ifndef __TOOL_ACTION_H
#define __TOOL_ACTION_H
#include <any>
#include <cassert>
#include <optional>
#include <string>
#include <string_view>
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#include <wx/string.h>
class TOOL_EVENT;
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enum class BITMAPS : unsigned int;
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/// Scope of tool actions
enum TOOL_ACTION_SCOPE
{
AS_CONTEXT = 1, ///< Action belongs to a particular tool (i.e. a part of a pop-up menu)
AS_ACTIVE, ///< All active tools
AS_GLOBAL ///< Global action (toolbar/main menu event, global shortcut)
};
/// Flags for tool actions
enum TOOL_ACTION_FLAGS
{
AF_NONE = 0,
AF_ACTIVATE = 1, ///< Action activates a tool
AF_NOTIFY = 2 ///< Action is a notification (it is by default passed to all tools)
};
/**
* Define a group that can be used to group actions (and their events) of similar operations.
*/
class TOOL_ACTION_GROUP
{
public:
TOOL_ACTION_GROUP( std::string aName ) :
m_name( aName )
{
// Assign a unique group ID to each group
static int groupIDs = 0;
m_groupID = ++groupIDs;
};
TOOL_ACTION_GROUP( const TOOL_ACTION_GROUP& aOther )
{
// Ensure a copy of a group is exactly the same as this one to get
// proper comparisons
m_name = aOther.GetName();
m_groupID = aOther.GetGroupID();
}
int GetGroupID() const { return m_groupID; }
const std::string& GetName() const { return m_name; }
bool operator==( const TOOL_ACTION_GROUP& aOther ) const
{
return m_groupID == aOther.m_groupID;
}
private:
int m_groupID;
std::string m_name;
};
/**
* Build up the properties of a TOOL_ACTION in an incremental manner that is static-construction
* safe.
*
* Note: This is meant to be constructed and immediately passed into the TOOL_ACTION constructor.
* Construction should not be delayed, since this only retains pointers to the strings used.
*/
class TOOL_ACTION_ARGS
{
public:
TOOL_ACTION_ARGS() = default;
/**
* The name of the action, the convention is "app.tool.actionName".
*
* This is a required property.
*/
TOOL_ACTION_ARGS& Name( const std::string_view& aName )
{
m_name = aName;
return *this;
}
TOOL_ACTION_ARGS& FriendlyName( const std::string_view& aName )
{
m_friendlyName = aName;
return *this;
}
/**
* The scope of the action.
*/
TOOL_ACTION_ARGS& Scope( TOOL_ACTION_SCOPE aScope )
{
m_scope = aScope;
return *this;
}
/**
* The default hotkey to assign to the action.
*/
TOOL_ACTION_ARGS& DefaultHotkey( int aDefaultHotkey )
{
m_defaultHotKey = aDefaultHotkey;
return *this;
}
/**
* The default alternate hotkey to assign to the action.
*/
TOOL_ACTION_ARGS& DefaultHotkeyAlt( int aDefaultHotkeyAlt )
{
m_defaultHotKeyAlt = aDefaultHotkeyAlt;
return *this;
}
/**
* The legacy hotkey name from the old system.
*
* This property is only needed for existing actions and shouldn't be used in new actions.
*/
TOOL_ACTION_ARGS& LegacyHotkeyName( const std::string_view& aLegacyName )
{
m_legacyName = aLegacyName;
return *this;
}
/**
*The string to use when displaying the action in a menu.
*/
TOOL_ACTION_ARGS& MenuText( const std::string_view& aMenuText )
{
m_menuText = aMenuText;
return *this;
}
/**
* The string to use as a tooltip for the action in menus and toolbars.
*/
TOOL_ACTION_ARGS& Tooltip( const std::string_view& aTooltip )
{
m_tooltip = aTooltip;
return *this;
}
/**
* The description of the action.
*/
TOOL_ACTION_ARGS& Description( const std::string_view& aDescription )
{
m_description = aDescription;
return *this;
}
/**
* The bitmap to use as the icon for the action in toolbars and menus.
*/
TOOL_ACTION_ARGS& Icon( BITMAPS aIcon )
{
m_icon = aIcon;
return *this;
}
/**
* Flags describing the type of the action.
*/
TOOL_ACTION_ARGS& Flags( TOOL_ACTION_FLAGS aFlags )
{
m_flags = aFlags;
return *this;
}
/**
* Custom parameter to pass information to the tool.
*/
template<typename T>
TOOL_ACTION_ARGS& Parameter( T aParam )
{
m_param = aParam;
return *this;
}
/**
* The ID number to use for the action when interacting with any UI elements.
*/
TOOL_ACTION_ARGS& UIId( int aUIId )
{
m_uiid = aUIId;
return *this;
}
TOOL_ACTION_ARGS& Group( const TOOL_ACTION_GROUP& aGroup )
{
m_group = aGroup;
return *this;
}
protected:
// Let the TOOL_ACTION constructor have direct access to the members here
friend class TOOL_ACTION;
std::optional<std::string_view> m_name;
std::optional<std::string_view> m_friendlyName;
std::optional<TOOL_ACTION_SCOPE> m_scope;
std::optional<TOOL_ACTION_FLAGS> m_flags;
std::optional<int> m_uiid;
std::optional<int> m_defaultHotKey;
std::optional<int> m_defaultHotKeyAlt;
std::optional<std::string_view> m_legacyName;
std::optional<std::string_view> m_menuText;
std::optional<std::string_view> m_tooltip;
std::optional<std::string_view> m_description;
std::optional<BITMAPS> m_icon;
std::optional<TOOL_ACTION_GROUP> m_group;
std::any m_param;
};
/**
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* Represent a single user action.
*
* For instance:
* - changing layer to top by pressing PgUp
* - running the DRC from the menu
* and so on, and so forth....
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*
* Action class groups all necessary properties of an action, including explanation,
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* icons, hotkeys, menu items, etc.
*/
class TOOL_ACTION
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{
public:
TOOL_ACTION( const TOOL_ACTION_ARGS& aArgs );
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TOOL_ACTION( const std::string& aName, TOOL_ACTION_SCOPE aScope = AS_CONTEXT,
int aDefaultHotKey = 0, const std::string& aLegacyHotKeyName = "",
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const wxString& aMenuText = wxEmptyString,
const wxString& aTooltip = wxEmptyString,
BITMAPS aIcon = static_cast<BITMAPS>( 0 ), TOOL_ACTION_FLAGS aFlags = AF_NONE);
~TOOL_ACTION();
// TOOL_ACTIONS are singletons; don't be copying them around....
TOOL_ACTION( const TOOL_ACTION& ) = delete;
TOOL_ACTION& operator= ( const TOOL_ACTION& ) = delete;
bool operator==( const TOOL_ACTION& aRhs ) const
{
return m_id == aRhs.m_id;
}
bool operator!=( const TOOL_ACTION& aRhs ) const
{
return m_id != aRhs.m_id;
}
/**
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* Return name of the action.
*
* It is the same one that is contained in #TOOL_EVENT that is sent by activating the
* TOOL_ACTION. Convention is "app.tool.actionName".
*
* @return Name of the action.
*/
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const std::string& GetName() const { return m_name; }
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/**
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* Return the default hotkey (if any) for the action.
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*/
int GetDefaultHotKey() const { return m_defaultHotKey; }
int GetDefaultHotKeyAlt() const { return m_defaultHotKeyAlt; }
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/**
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* Return the hotkey keycode which initiates the action.
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*/
int GetHotKey() const { return m_hotKey; }
int GetHotKeyAlt() const { return m_hotKeyAlt; }
void SetHotKey( int aKeycode, int aKeycodeAlt = 0 );
/**
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* Return the unique id of the TOOL_ACTION object.
*
* It is valid only after registering the TOOL_ACTION by #ACTION_MANAGER.
*
* @return The unique identification number. If the number is negative, then it is not valid.
*/
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int GetId() const { return m_id; }
/**
* Return true if this action has a custom UI ID set.
*/
bool HasCustomUIId() const { return m_uiid.has_value(); }
/*
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* Get the unique ID for this action in the user interface system.
*
* This can be either set to a specific ID during creation or computed
* by offsetting the action ID by @c ACTION_BASE_UI_ID.
*
* @return The unique ID number for use in the user interface system.
*/
int GetUIId() const { return m_uiid.value_or( m_id + ACTION_BASE_UI_ID ); }
/*
* Get the base value used to offset the user interface IDs for the actions.
*/
static int GetBaseUIId() { return ACTION_BASE_UI_ID; }
/**
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* Return the event associated with the action (i.e. the event that will be sent after
* activating the action).
*/
TOOL_EVENT MakeEvent() const;
/**
* Return the translated label for the action.
*/
wxString GetMenuLabel() const;
wxString GetMenuItem() const;
wxString GetTooltip( bool aIncludeHotkey = true ) const;
wxString GetDescription() const;
/**
* Return the translated user-friendly name of the action.
*/
wxString GetFriendlyName() const;
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TOOL_ACTION_SCOPE GetScope() const { return m_scope; }
/**
* Return a non-standard parameter assigned to the action.
*/
template<typename T>
T GetParam() const
{
wxASSERT_MSG( m_param.has_value(), "Attempted to get a parameter from an action with no parameter." );
T param;
try
{
param = std::any_cast<T>( m_param );
}
catch( const std::bad_any_cast& e )
{
wxASSERT_MSG( false,
wxString::Format( "Requested parameter type %s from action with parameter type %s.",
typeid(T).name(), m_param.type().name() ) );
}
return param;
}
const std::optional<TOOL_ACTION_GROUP> GetActionGroup() const { return m_group; }
/**
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* Return name of the tool associated with the action. It is basically the action name
* stripped of the last part (e.g. for "pcbnew.InteractiveDrawing.drawCircle" it is
* "pcbnew.InteractiveDrawing").
*/
std::string GetToolName() const;
/**
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* Return true if the action is intended to activate a tool.
*/
bool IsActivation() const
{
return m_flags & AF_ACTIVATE;
}
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/**
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* Return true if the action is a notification.
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*/
bool IsNotification() const
{
return m_flags & AF_NOTIFY;
}
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/**
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* Return an icon associated with the action.
*
* It is used in context menu.
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*/
BITMAPS GetIcon() const
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{
return m_icon;
}
protected:
TOOL_ACTION();
friend class ACTION_MANAGER;
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///< Base ID to use inside the user interface system to offset the action IDs.
static constexpr int ACTION_BASE_UI_ID = 20000;
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///< Name of the action (convention is "app.tool.actionName")
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std::string m_name;
TOOL_ACTION_SCOPE m_scope;
std::optional<TOOL_ACTION_GROUP> m_group; // Optional group for the action to belong to
const int m_defaultHotKey; // Default hot key
const int m_defaultHotKeyAlt; // Default hot key alternate
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int m_hotKey; // The current hotkey (post-user-settings-application)
int m_hotKeyAlt; // The alternate hotkey (post-user-settings-application)
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const std::string m_legacyName; // Name for reading legacy hotkey settings
wxString m_friendlyName; // User-friendly name
std::optional<wxString> m_menuLabel; // Menu label
wxString m_tooltip; // User-facing tooltip help text
std::optional<wxString> m_description; // Description of the action
BITMAPS m_icon; // Icon for the menu entry
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int m_id; // Unique ID for maps. Assigned by ACTION_MANAGER.
std::optional<int> m_uiid; // ID to use when interacting with the UI (if empty, generate one)
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TOOL_ACTION_FLAGS m_flags;
std::any m_param; // Generic parameter
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};
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#endif