138 lines
4.2 KiB
C++
138 lines
4.2 KiB
C++
/*
|
|
* This program source code file is part of KiCad, a free EDA CAD application.
|
|
*
|
|
* Copyright (C) 2013 CERN
|
|
* @author Tomasz Wlostowski <tomasz.wlostowski@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 __TOOL_DISPATCHER_H
|
|
#define __TOOL_DISPATCHER_H
|
|
|
|
#include <vector>
|
|
#include <wx/event.h>
|
|
#include <tool/tool_event.h>
|
|
|
|
class TOOL_MANAGER;
|
|
class PCB_BASE_FRAME;
|
|
class ACTIONS;
|
|
|
|
namespace KIGFX
|
|
{
|
|
class VIEW;
|
|
}
|
|
|
|
/**
|
|
* - takes wx events,
|
|
* - fixes all wx quirks (mouse warping, panning, ordering problems, etc)
|
|
* - translates coordinates to world space
|
|
* - low-level input conditioning (drag/click threshold), updating mouse position during view auto-scroll/pan.
|
|
* - issues TOOL_EVENTS to the tool manager
|
|
*/
|
|
|
|
class TOOL_DISPATCHER : public wxEvtHandler
|
|
{
|
|
public:
|
|
/**
|
|
* @param aToolMgr: tool manager instance the events will be sent to
|
|
* @param aActions: ACTIONS subclass instance for ACTIONS::TranslateLegacyId()
|
|
*/
|
|
TOOL_DISPATCHER( TOOL_MANAGER* aToolMgr, ACTIONS *aActions );
|
|
|
|
virtual ~TOOL_DISPATCHER();
|
|
|
|
/**
|
|
* Brings the dispatcher to its initial state.
|
|
*/
|
|
virtual void ResetState();
|
|
|
|
/**
|
|
* Processes wxEvents (mostly UI events), translates them to TOOL_EVENTs, and makes tools
|
|
* handle those.
|
|
*
|
|
* @param aEvent is the wxWidgets event to be processed.
|
|
*/
|
|
virtual void DispatchWxEvent( wxEvent& aEvent );
|
|
|
|
/**
|
|
* Maps a wxWidgets key event to a TOOL_EVENT.
|
|
*/
|
|
OPT<TOOL_EVENT> GetToolEvent( wxKeyEvent* aKeyEvent, bool* aSpecialKeyFlag );
|
|
|
|
/**
|
|
* Processes wxCommands (mostly menu related events) and runs appropriate actions (eg. run the
|
|
* specified tool).
|
|
*
|
|
* @param aEvent is the wxCommandEvent to be processed.
|
|
*/
|
|
virtual void DispatchWxCommand( wxCommandEvent& aEvent );
|
|
|
|
private:
|
|
///> Number of mouse buttons that is handled in events.
|
|
static const int MouseButtonCount = 3;
|
|
|
|
///> The time threshold for a mouse button press that distinguishes between a single mouse
|
|
///> click and a beginning of drag event (expressed in milliseconds).
|
|
static const int DragTimeThreshold = 300;
|
|
|
|
///> The distance threshold for mouse cursor that disinguishes between a single mouse click
|
|
///> and a beginning of drag event (expressed in screen pixels).
|
|
static const int DragDistanceThreshold = 8;
|
|
|
|
///> Handles mouse related events (click, motion, dragging).
|
|
bool handleMouseButton( wxEvent& aEvent, int aIndex, bool aMotion );
|
|
|
|
///> Saves the state of key modifiers (Alt, Ctrl and so on).
|
|
static int decodeModifiers( const wxKeyboardState* aState )
|
|
{
|
|
int mods = 0;
|
|
|
|
if( aState->ControlDown() )
|
|
mods |= MD_CTRL;
|
|
|
|
if( aState->AltDown() )
|
|
mods |= MD_ALT;
|
|
|
|
if( aState->ShiftDown() )
|
|
mods |= MD_SHIFT;
|
|
|
|
return mods;
|
|
}
|
|
|
|
///> Stores all the informations regarding a mouse button state.
|
|
struct BUTTON_STATE;
|
|
|
|
///> The last mouse cursor position (in world coordinates).
|
|
VECTOR2D m_lastMousePos;
|
|
|
|
///> State of mouse buttons.
|
|
std::vector<BUTTON_STATE*> m_buttons;
|
|
|
|
///> Returns the instance of VIEW, used by the application.
|
|
KIGFX::VIEW* getView();
|
|
|
|
///> Instance of tool manager that cooperates with the dispatcher.
|
|
TOOL_MANAGER* m_toolMgr;
|
|
|
|
///> Instance of an actions list that handles legacy action translation
|
|
ACTIONS* m_actions;
|
|
};
|
|
|
|
#endif
|