352 lines
10 KiB
C++
352 lines
10 KiB
C++
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// NeL - MMORPG Framework <http://dev.ryzom.com/projects/nel/>
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// Copyright (C) 2010 Winch Gate Property Limited
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as
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// published by the Free Software Foundation, either version 3 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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#include "stdmisc.h"
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#include "nel/misc/events.h"
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#include "nel/misc/event_emitter.h"
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#include "nel/misc/win_event_emitter.h"
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#include "nel/misc/event_server.h"
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#ifdef NL_OS_WINDOWS
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#include <windowsx.h>
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/**
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* Needed for definition of WM_MOUSEWHEEL. It should be in winuser.h
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* but not under win98.. strange..
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*/
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#include <zmouse.h>
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#ifdef DEBUG_NEW
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#define new DEBUG_NEW
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#endif
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namespace NLMISC {
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/*------------------------------------------------------------------*\
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submitEvents()
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\*------------------------------------------------------------------*/
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void CWinEventEmitter::submitEvents(CEventServer & server, bool allWindows)
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{
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MSG msg;
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while ( PeekMessageW(&msg,allWindows?NULL:_HWnd,0,0,PM_REMOVE) )
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{
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TranslateMessage(&msg);
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DispatchMessageW(&msg);
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}
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// Dispatch sent messages
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_InternalServer.setServer (&server);
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_InternalServer.pump (allWindows);
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}
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/*------------------------------------------------------------------*\
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processMessage()
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\*------------------------------------------------------------------*/
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TKeyButton getKeyButton (bool _altButton, bool _shiftButton, bool _ctrlButton)
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{
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TKeyButton button=noKeyButton;
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if (_altButton)
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(int&)button|=altKeyButton;
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if (_shiftButton)
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(int&)button|=shiftKeyButton;
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if (_ctrlButton)
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(int&)button|=ctrlKeyButton;
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return button;
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}
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/*TMouseButton getMouseButton (uint32 wParam, bool _altButton)
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{
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TMouseButton button=noButton;
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if (wParam&MK_CONTROL)
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(int&)button|=ctrlButton;
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if (wParam&MK_LBUTTON)
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(int&)button|=leftButton;
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if (wParam&MK_RBUTTON)
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(int&)button|=rightButton;
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if (wParam&MK_MBUTTON)
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(int&)button|=middleButton;
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if (wParam&MK_SHIFT)
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(int&)button|=shiftButton;
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if (_altButton)
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(int&)button|=altButton;
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}*/
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TMouseButton CWinEventEmitter::getButtons() const
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{
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uint result = (_CtrlButton ? ctrlButton : 0)
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| (_AltButton ? altButton : 0)
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| (_ShiftButton ? shiftButton : 0)
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| (_CtrlButton ? ctrlButton : 0)
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| (_MouseButtons[0] ? leftButton : 0)
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| (_MouseButtons[1] ? rightButton : 0)
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| (_MouseButtons[2] ? middleButton : 0);
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return (TMouseButton) result;
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}
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bool CWinEventEmitter::processMessage (HWND hWnd, uint32 msg, WPARAM wParam, LPARAM lParam, CEventServer *server)
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{
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if (!server)
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server=&_InternalServer;
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/// Process IME messages
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/*if ( _IMEEventsEnabled && (ImmIsUIMessage( ImmGetDefaultIMEWnd((HWND)_HWnd), msg, wParam, lParam) == TRUE) )
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{
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server->postEvent( new CEventIME(msg, wParam, lParam, this) );
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return true; // trap message (however DefWindowProc will still be called in some instances by the event listener)
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}*/
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switch (msg)
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{
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case WM_KEYDOWN:
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case WM_SYSKEYDOWN:
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if (_KeyboardEventsEnabled)
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{
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// Ctrl, shit or alt ?
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if ((sint)wParam==VK_MENU)
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_AltButton=true;
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if ((sint)wParam==VK_CONTROL)
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_CtrlButton=true;
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if ((sint)wParam==VK_SHIFT)
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_ShiftButton=true;
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// Post the message
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if (wParam < KeyCount)
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server->postEvent (new CEventKeyDown ((NLMISC::TKey)wParam, getKeyButton(_AltButton, _ShiftButton, _CtrlButton), (((int) lParam)&(1<<30))==0, this));
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}
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break;
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case WM_SYSKEYUP:
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case WM_KEYUP:
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if (_KeyboardEventsEnabled)
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{
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// Ctrl, shit or alt ?
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if ((int)wParam==VK_MENU)
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_AltButton=false;
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if ((int)wParam==VK_CONTROL)
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_CtrlButton=false;
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if ((int)wParam==VK_SHIFT)
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_ShiftButton=false;
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// As Print Screen button does not trigger a WM_KEYDOWN msg, simulate it here
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if ((int)wParam==VK_SNAPSHOT)
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{
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if (wParam < KeyCount)
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server->postEvent (new CEventKeyDown ((NLMISC::TKey)wParam, getKeyButton(_AltButton, _ShiftButton, _CtrlButton), true, this));
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}
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// Post the message
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if (wParam < KeyCount)
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server->postEvent (new CEventKeyUp ((NLMISC::TKey)wParam, getKeyButton(_AltButton, _ShiftButton, _CtrlButton), this));
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}
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break;
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case WM_CHAR:
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if (_KeyboardEventsEnabled)
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{
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//if (wParam < KeyCount)
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//nlinfo("WM_CHAR with %u", wParam);
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server->postEvent (new CEventChar ((ucchar)wParam, getKeyButton(_AltButton, _ShiftButton, _CtrlButton), this));
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}
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break;
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/*case WM_IME_CHAR:
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if (_KeyboardEventsEnabled && _IMEEventsEnabled)
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{
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server->postEvent (new CEventChar ((ucchar)wParam, getKeyButton(_AltButton, _ShiftButton, _CtrlButton), this));
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}
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break;*/
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case WM_ACTIVATE:
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if (WA_INACTIVE==LOWORD(wParam))
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server->postEvent (new CEventActivate (false, this));
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else
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{
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// Reset flags state
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resetButtonFlagState ();
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// Post the message
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server->postEvent (new CEventActivate (true, this));
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}
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break;
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case WM_KILLFOCUS:
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server->postEvent (new CEventSetFocus (false, this));
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break;
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case WM_SETFOCUS:
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// Reset flags state
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resetButtonFlagState ();
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// Post the message
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server->postEvent (new CEventSetFocus (true, this));
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break;
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case WM_MOUSEMOVE:
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case WM_RBUTTONDOWN:
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case WM_LBUTTONDOWN:
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case WM_MBUTTONDOWN:
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case WM_RBUTTONUP:
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case WM_LBUTTONUP:
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case WM_MBUTTONUP:
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case WM_RBUTTONDBLCLK:
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case WM_MBUTTONDBLCLK:
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case WM_LBUTTONDBLCLK:
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{
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if (_MouseEventsEnabled)
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{
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// MSWindows coordinates to NeL window coordinate
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float fX, fY;
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RECT client;
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float xPos = (float)GET_X_LPARAM(lParam);
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float yPos = (float)GET_Y_LPARAM(lParam);
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GetClientRect (hWnd, &client);
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fX=xPos/(float)(client.right-client.left);
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fY=1.f-yPos/(float)(client.bottom-client.top);
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// buttons
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TMouseButton button=getButtons();
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// Reswitch
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switch (msg)
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{
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case WM_MOUSEMOVE:
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server->postEvent (new CEventMouseMove (fX, fY, button, this));
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break;
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case WM_RBUTTONDOWN:
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_MouseButtons[1] = true;
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server->postEvent (new CEventMouseDown (fX, fY, (TMouseButton)(rightButton|(button&~(leftButton|middleButton|rightButton))), this));
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break;
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case WM_MBUTTONDOWN:
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_MouseButtons[2] = true;
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server->postEvent (new CEventMouseDown (fX, fY, (TMouseButton)(middleButton|(button&~(leftButton|middleButton|rightButton))), this));
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break;
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case WM_LBUTTONDOWN:
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_MouseButtons[0] = true;
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server->postEvent (new CEventMouseDown (fX, fY, (TMouseButton)(leftButton|(button&~(leftButton|middleButton|rightButton))), this));
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break;
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case WM_RBUTTONUP:
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_MouseButtons[1] = false;
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server->postEvent (new CEventMouseUp (fX, fY, (TMouseButton)(rightButton|(button&~(leftButton|middleButton|rightButton))), this));
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break;
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case WM_MBUTTONUP:
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_MouseButtons[2] = false;
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server->postEvent (new CEventMouseUp (fX, fY, (TMouseButton)(middleButton|(button&~(leftButton|middleButton|rightButton))), this));
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break;
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case WM_LBUTTONUP:
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_MouseButtons[0] = false;
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server->postEvent (new CEventMouseUp (fX, fY, (TMouseButton)(leftButton|(button&~(leftButton|middleButton|rightButton))), this));
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break;
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case WM_RBUTTONDBLCLK:
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server->postEvent (new CEventMouseDblClk (fX, fY, (TMouseButton)(rightButton|(button&~(leftButton|middleButton|rightButton))), this));
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break;
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case WM_MBUTTONDBLCLK:
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server->postEvent (new CEventMouseDblClk (fX, fY, (TMouseButton)(middleButton|(button&~(leftButton|middleButton|rightButton))), this));
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break;
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case WM_LBUTTONDBLCLK:
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server->postEvent (new CEventMouseDblClk (fX, fY, (TMouseButton)(leftButton|(button&~(leftButton|middleButton|rightButton))), this));
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break;
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}
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break;
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}
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break;
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}
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case WM_DESTROY:
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server->postEvent (new CEventDestroyWindow (this));
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break;
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case WM_CLOSE:
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server->postEvent (new CEventCloseWindow (this));
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return true;
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case WM_DISPLAYCHANGE:
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server->postEvent (new CEventDisplayChange (LOWORD(lParam), HIWORD(lParam), (uint)wParam, this));
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break;
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case WM_MOUSEWHEEL:
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if (_MouseEventsEnabled)
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{
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// MSWindows coordinates to NeL window coordinate
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float fX, fY;
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RECT client;
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GetClientRect (hWnd, &client);
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if (client.right-client.left > 0)
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fX=(float)LOWORD(lParam)/(float)(client.right-client.left);
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else
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fX=0;
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if (client.bottom-client.top > 0)
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fY=1.f-(float)HIWORD(lParam)/(float)(client.bottom-client.top);
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else
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fY=0;
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// buttons
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TMouseButton button=getButtons();
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server->postEvent (new CEventMouseWheel (fX, fY, button, (short) HIWORD(wParam)>=0, this));
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break;
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}
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case WM_IME_SETCONTEXT:
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case WM_IME_STARTCOMPOSITION:
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case WM_IME_COMPOSITION:
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case WM_IME_ENDCOMPOSITION:
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case WM_IME_NOTIFY:
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//case WM_INPUTLANGCHANGEREQUEST:
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case WM_INPUTLANGCHANGE:
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if ( _IMEEventsEnabled )
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{
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// wParam = Specifies the character set of the new locale.
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// lParam = Input locale identifier.
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server->postEvent( new CEventIME( msg, (uint32)wParam, (uint32)lParam, this ) );
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return true; // trap message
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}
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break;
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}
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return false;
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}
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//==========================================================
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void CWinEventEmitter::resetButtonFlagState ()
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{
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_CtrlButton=( (GetAsyncKeyState(VK_CONTROL)&0x8000) != 0);
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_ShiftButton=( (GetAsyncKeyState(VK_SHIFT)&0x8000) != 0);
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_AltButton=( (GetAsyncKeyState(VK_MENU)&0x8000) != 0);
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//
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_MouseButtons[0]=( (GetAsyncKeyState(VK_LBUTTON)&0x8000) != 0);
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_MouseButtons[1]=( (GetAsyncKeyState(VK_RBUTTON)&0x8000) != 0);
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_MouseButtons[2]=( (GetAsyncKeyState(VK_MBUTTON)&0x8000) != 0);
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}
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//==========================================================
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TMouseButton CWinEventEmitter::buildFlags() const
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{
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uint flags = (_CtrlButton ? ctrlButton : 0)
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| (_ShiftButton ? shiftButton : 0)
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| (_AltButton ? altButton : 0)
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| (_MouseButtons[0] ? leftButton : 0)
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| (_MouseButtons[1] ? rightButton : 0)
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| (_MouseButtons[2] ? middleButton : 0);
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return (TMouseButton) flags;
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}
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} // NLMISC
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#endif // NL_OS_WINDOWS
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