You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
752 lines
22 KiB
752 lines
22 KiB
/*==LICENSE==* |
|
|
|
CyanWorlds.com Engine - MMOG client, server and tools |
|
Copyright (C) 2011 Cyan Worlds, Inc. |
|
|
|
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, see <http://www.gnu.org/licenses/>. |
|
|
|
Additional permissions under GNU GPL version 3 section 7 |
|
|
|
If you modify this Program, or any covered work, by linking or |
|
combining it with any of RAD Game Tools Bink SDK, Autodesk 3ds Max SDK, |
|
NVIDIA PhysX SDK, Microsoft DirectX SDK, OpenSSL library, Independent |
|
JPEG Group JPEG library, Microsoft Windows Media SDK, or Apple QuickTime SDK |
|
(or a modified version of those libraries), |
|
containing parts covered by the terms of the Bink SDK EULA, 3ds Max EULA, |
|
PhysX SDK EULA, DirectX SDK EULA, OpenSSL and SSLeay licenses, IJG |
|
JPEG Library README, Windows Media SDK EULA, or QuickTime SDK EULA, the |
|
licensors of this Program grant you additional |
|
permission to convey the resulting work. Corresponding Source for a |
|
non-source form of such a combination shall include the source code for |
|
the parts of OpenSSL and IJG JPEG Library used as well as that of the covered |
|
work. |
|
|
|
You can contact Cyan Worlds, Inc. by email legal@cyan.com |
|
or by snail mail at: |
|
Cyan Worlds, Inc. |
|
14617 N Newport Hwy |
|
Mead, WA 99021 |
|
|
|
*==LICENSE==*/ |
|
// plInputDevice.cpp |
|
//#include "STRING" |
|
|
|
#include "HeadSpin.h" |
|
|
|
#include "plInputDevice.h" |
|
#include "plInputManager.h" |
|
#include "plAvatarInputInterface.h" |
|
#include "plMessage/plInputEventMsg.h" |
|
#include "pnMessage/plTimeMsg.h" |
|
|
|
#include "plgDispatch.h" |
|
|
|
#include "plPipeline/plPlates.h" |
|
#include "plPipeline/plDebugText.h" |
|
#include "plGImage/plMipmap.h" |
|
|
|
|
|
#include "plPipeline.h" |
|
|
|
// The resolution that uses the base size of the cursor. |
|
// All other resolutions will scale the cursor size to keep the same physical size. |
|
#define BASE_WIDTH 1024 |
|
#define BASE_HEIGHT 768 |
|
|
|
plKeyboardDevice* plKeyboardDevice::fInstance = nil; |
|
bool plKeyboardDevice::fKeyboardState[256]; |
|
bool plKeyboardDevice::fIgnoreCapsLock = false; |
|
|
|
plKeyboardDevice::plKeyboardDevice() : |
|
fShiftKeyDown(false), |
|
fCapsLockKeyDown(false), |
|
fAltKeyDown(false), |
|
fCtrlKeyDown(false), |
|
fCapsLockLock(false), |
|
fControlMode(STANDARD_MODE) |
|
{ |
|
fInstance = this; |
|
InitKeyboardState(); |
|
} |
|
|
|
plKeyboardDevice::~plKeyboardDevice() |
|
{ |
|
} |
|
|
|
void plKeyboardDevice::InitKeyboardState() |
|
{ |
|
static bool initialized = false; |
|
if (!initialized) |
|
{ |
|
for (unsigned int i = 0; i < 256; ++i) |
|
plKeyboardDevice::fKeyboardState[i] = false; |
|
initialized = true; |
|
} |
|
} |
|
|
|
void plKeyboardDevice::ReleaseAllKeys() |
|
{ |
|
// send a key-up message for all "normal" keys |
|
for (unsigned int i = 0; i < 256; ++i) |
|
{ |
|
if ((i == KEY_SHIFT) || (i == KEY_CTRL) || (i == KEY_CAPSLOCK)) |
|
continue; // these are handled slightly differently |
|
|
|
if (fKeyboardState[i]) |
|
{ |
|
fKeyboardState[i] = false; |
|
|
|
// fake a key-up command |
|
plKeyEventMsg* pMsg = new plKeyEventMsg; |
|
pMsg->SetKeyCode( (plKeyDef)i ); |
|
pMsg->SetKeyDown( false ); |
|
pMsg->SetShiftKeyDown( fShiftKeyDown ); |
|
pMsg->SetCtrlKeyDown( fCtrlKeyDown ); |
|
pMsg->SetCapsLockKeyDown( fCapsLockLock ); |
|
pMsg->SetRepeat( false ); |
|
plgDispatch::MsgSend( pMsg ); |
|
} |
|
} |
|
|
|
// send key messages for shift and ctrl if necessary because the keys above need to have |
|
// the proper states of the shift and ctrl keys sent with their messages, and our internal |
|
// flags for these keys need to be cleared. We don't send a key-up message for caps lock |
|
// because it doesn't really operate like every other key on the keyboard |
|
if (fKeyboardState[KEY_SHIFT]) |
|
{ |
|
fKeyboardState[KEY_SHIFT] = false; |
|
fShiftKeyDown = false; |
|
|
|
plKeyEventMsg* pMsg = new plKeyEventMsg; |
|
pMsg->SetKeyCode( KEY_SHIFT ); |
|
pMsg->SetKeyDown( false ); |
|
pMsg->SetShiftKeyDown( false ); |
|
pMsg->SetCtrlKeyDown( false ); |
|
pMsg->SetCapsLockKeyDown( fCapsLockLock ); |
|
pMsg->SetRepeat( false ); |
|
plgDispatch::MsgSend( pMsg ); |
|
} |
|
if (fKeyboardState[KEY_CTRL]) |
|
{ |
|
fKeyboardState[KEY_CTRL] = false; |
|
fCtrlKeyDown = false; |
|
|
|
plKeyEventMsg* pMsg = new plKeyEventMsg; |
|
pMsg->SetKeyCode( KEY_CTRL ); |
|
pMsg->SetKeyDown( false ); |
|
pMsg->SetShiftKeyDown( false ); |
|
pMsg->SetCtrlKeyDown( false ); |
|
pMsg->SetCapsLockKeyDown( fCapsLockLock ); |
|
pMsg->SetRepeat( false ); |
|
plgDispatch::MsgSend( pMsg ); |
|
} |
|
} |
|
|
|
bool plKeyboardDevice::IsCapsLockKeyOn() |
|
{ |
|
return fCapsLockLock; |
|
} |
|
|
|
void plKeyboardDevice::Shutdown() |
|
{ |
|
} |
|
|
|
void plKeyboardDevice::HandleKeyEvent(plOSMsg message, plKeyDef key, bool bKeyDown, bool bKeyRepeat, wchar_t c) |
|
{ |
|
// update the internal keyboard state |
|
unsigned int keyCode = (unsigned int)key; |
|
if (key < 256) |
|
fKeyboardState[key] = bKeyDown; |
|
|
|
if (key == KEY_SHIFT) |
|
{ |
|
fShiftKeyDown = bKeyDown; |
|
} |
|
if (key == KEY_CTRL) |
|
{ |
|
fCtrlKeyDown = bKeyDown; |
|
} |
|
if (key == KEY_CAPSLOCK) |
|
{ |
|
if (!bKeyRepeat) |
|
{ |
|
fCapsLockLock = (GetKeyState(KEY_CAPSLOCK) & 1) == 1; |
|
plAvatarInputInterface::GetInstance()->ForceAlwaysRun(fCapsLockLock); |
|
} |
|
} |
|
|
|
// send a key event... |
|
plKeyEventMsg* pMsg = new plKeyEventMsg; |
|
pMsg->SetKeyChar( c ); |
|
pMsg->SetKeyCode( key ); |
|
pMsg->SetKeyDown( bKeyDown ); |
|
pMsg->SetShiftKeyDown( fShiftKeyDown ); |
|
pMsg->SetCtrlKeyDown( fCtrlKeyDown ); |
|
pMsg->SetCapsLockKeyDown( fCapsLockLock ); |
|
pMsg->SetRepeat(bKeyRepeat); |
|
plgDispatch::MsgSend( pMsg ); |
|
} |
|
|
|
void plKeyboardDevice::HandleWindowActivate(bool bActive, HWND hWnd) |
|
{ |
|
if (bActive) |
|
{ |
|
// Refresh the caps lock state |
|
HandleKeyEvent(KEYDOWN, KEY_CAPSLOCK, nil, false); |
|
} |
|
else |
|
{ |
|
ReleaseAllKeys(); // send key-up events for everything since we're losing focus |
|
} |
|
|
|
} |
|
|
|
|
|
// |
|
// |
|
// |
|
// plMouseDevice |
|
// |
|
// |
|
|
|
bool plMouseDevice::bMsgAlways = true; |
|
bool plMouseDevice::bCursorHidden = false; |
|
bool plMouseDevice::bCursorOverride = false; |
|
bool plMouseDevice::bInverted = false; |
|
float plMouseDevice::fWidth = BASE_WIDTH; |
|
float plMouseDevice::fHeight = BASE_HEIGHT; |
|
plMouseDevice* plMouseDevice::fInstance = 0; |
|
|
|
plMouseDevice::plMouseDevice() |
|
{ |
|
fXPos = 0; |
|
fYPos = 0; |
|
fCursorID = CURSOR_UP; |
|
fButtonState = 0; |
|
fOpacity = 1.f; |
|
|
|
fCursor = nil; |
|
CreateCursor( fCursorID ); |
|
plMouseDevice::fInstance = this; |
|
fXMsg = nil; |
|
fYMsg = nil; |
|
fB2Msg = nil; |
|
|
|
fLeftBMsg[0] = nil; |
|
fLeftBMsg[1] = nil; |
|
fRightBMsg[0] = nil; |
|
fRightBMsg[1] = nil; |
|
fMiddleBMsg[0] = nil; |
|
fMiddleBMsg[1] = nil; |
|
|
|
} |
|
|
|
plMouseDevice::~plMouseDevice() |
|
{ |
|
plPlateManager::Instance().DestroyPlate( fCursor ); |
|
fCursor = nil; |
|
plMouseDevice::fInstance = nil; |
|
} |
|
void plMouseDevice::SetDisplayResolution(float Width, float Height) |
|
{ |
|
fWidth = Width; |
|
fHeight = Height; |
|
IUpdateCursorSize(); |
|
} |
|
|
|
void plMouseDevice::CreateCursor( char* cursor ) |
|
{ |
|
if( fCursor == nil ) |
|
{ |
|
plPlateManager::Instance().CreatePlate( &fCursor ); |
|
fCursor->CreateFromResource(cursor); |
|
} |
|
else |
|
{ |
|
fCursor->ReloadFromResource(cursor); |
|
} |
|
fCursor->SetPosition( 0, 0, 0 ); |
|
IUpdateCursorSize(); |
|
|
|
fCursor->SetVisible( true ); |
|
fCursor->SetOpacity( fOpacity ); |
|
} |
|
|
|
void plMouseDevice::IUpdateCursorSize() |
|
{ |
|
if(fCursor) |
|
{ |
|
// set the size of the cursor based on resolution. |
|
fCursor->SetSize( 2*fCursor->GetMipmap()->GetWidth()/fWidth, 2*fCursor->GetMipmap()->GetHeight()/fHeight ); |
|
} |
|
} |
|
|
|
void plMouseDevice::AddNameToCursor(const char* name) |
|
{ |
|
if (fInstance && name) |
|
{ |
|
plDebugText &txt = plDebugText::Instance(); |
|
txt.DrawString(fInstance->fWXPos + 12 ,fInstance->fWYPos - 7,name); |
|
} |
|
} |
|
void plMouseDevice::AddCCRToCursor() |
|
{ |
|
if (fInstance) |
|
{ |
|
plDebugText &txt = plDebugText::Instance(); |
|
txt.DrawString(fInstance->fWXPos + 12, fInstance->fWYPos - 17, "CCR"); |
|
} |
|
} |
|
void plMouseDevice::AddIDNumToCursor(uint32_t idNum) |
|
{ |
|
if (fInstance && idNum) |
|
{ |
|
plDebugText &txt = plDebugText::Instance(); |
|
char str[256]; |
|
sprintf(str, "%d",idNum); |
|
txt.DrawString(fInstance->fWXPos + 12 ,fInstance->fWYPos + 3,str); |
|
} |
|
} |
|
|
|
|
|
void plMouseDevice::SetCursorX(float x) |
|
{ |
|
/// Set the cursor position |
|
if( fCursor == nil && !plMouseDevice::bCursorHidden) |
|
CreateCursor( fCursorID ); |
|
|
|
if (fCursor) |
|
fCursor->SetPosition( ( x * 2.0f ) - 1.0f, |
|
( fYPos * 2.0f ) - 1.0f ); |
|
|
|
// plDebugText &txt = plDebugText::Instance(); |
|
// txt.DrawString(fWXPos + 20,fWYPos - 5,"test"); |
|
|
|
} |
|
void plMouseDevice::SetCursorY(float y) |
|
{ |
|
/// Set the cursor position |
|
if( fCursor == nil && !plMouseDevice::bCursorHidden) |
|
CreateCursor( fCursorID ); |
|
|
|
if (fCursor) |
|
fCursor->SetPosition( ( fXPos * 2.0f ) - 1.0f, |
|
( y * 2.0f ) - 1.0f ); |
|
|
|
// plDebugText &txt = plDebugText::Instance(); |
|
// txt.DrawString(fWXPos + 20,fWYPos - 10,"test"); |
|
|
|
} |
|
|
|
|
|
void plMouseDevice::HideCursor(bool override) |
|
{ |
|
if( fInstance->fCursor != nil ) |
|
fInstance->fCursor->SetVisible( false ); |
|
|
|
plMouseDevice::bCursorOverride = (override != 0); |
|
plMouseDevice::bCursorHidden = true; |
|
|
|
} |
|
|
|
void plMouseDevice::ShowCursor(bool override) |
|
{ |
|
if( !plMouseDevice::bCursorHidden ) |
|
return; |
|
if (plMouseDevice::bCursorOverride && !override) |
|
return; |
|
|
|
plMouseDevice::bCursorHidden = false; |
|
plMouseDevice::bCursorOverride = false; |
|
|
|
if( fInstance->fCursor == nil ) |
|
fInstance->CreateCursor( fInstance->fCursorID ); |
|
fInstance->fCursor->SetVisible( true ); |
|
} |
|
|
|
void plMouseDevice::NewCursor(char* cursor) |
|
{ |
|
fInstance->fCursorID = cursor; |
|
fInstance->CreateCursor(cursor); |
|
fInstance->SetCursorX(fInstance->GetCursorX()); |
|
fInstance->SetCursorY(fInstance->GetCursorY()); |
|
|
|
if (!plMouseDevice::bCursorHidden) |
|
fInstance->fCursor->SetVisible( true ); |
|
} |
|
|
|
void plMouseDevice::SetCursorOpacity( float opacity ) |
|
{ |
|
fInstance->fOpacity = opacity; |
|
if( fInstance->fCursor != nil ) |
|
fInstance->fCursor->SetOpacity( opacity ); |
|
} |
|
|
|
bool plMouseDevice::MsgReceive(plMessage* msg) |
|
{ |
|
plEvalMsg* pEMsg = plEvalMsg::ConvertNoRef(msg); |
|
if (pEMsg) |
|
{ |
|
if (fXMsg) |
|
{ |
|
plgDispatch::MsgSend(fXMsg); |
|
fXMsg = nil; |
|
} |
|
else |
|
{ |
|
plMouseEventMsg* pMsg = new plMouseEventMsg; |
|
pMsg->SetXPos( fXPos ); |
|
pMsg->SetYPos( fYPos ); |
|
pMsg->SetDX(0); |
|
pMsg->SetDY(0); |
|
plgDispatch::MsgSend(pMsg); |
|
} |
|
|
|
if (fYMsg) |
|
{ |
|
plgDispatch::MsgSend(fYMsg); |
|
fYMsg = nil; |
|
} |
|
else |
|
{ |
|
plMouseEventMsg* pMsg = new plMouseEventMsg; |
|
pMsg->SetXPos( fXPos ); |
|
pMsg->SetYPos( fYPos ); |
|
pMsg->SetDX(0); |
|
pMsg->SetDY(0); |
|
plgDispatch::MsgSend(pMsg); |
|
} |
|
|
|
if( fB2Msg ) |
|
{ |
|
fB2Msg->Send(); |
|
fB2Msg = nil; |
|
} |
|
|
|
// look for mouse button events in the queues to be sent now |
|
// ...Left mouse button |
|
if ( fLeftBMsg[0] != nil) |
|
{ |
|
fLeftBMsg[0]->Send(); |
|
// slide queue elements over... get 'em on the next eval |
|
fLeftBMsg[0] = fLeftBMsg[1]; |
|
fLeftBMsg[1] = nil; |
|
} |
|
// ...Right mouse button |
|
if ( fRightBMsg[0] != nil) |
|
{ |
|
fRightBMsg[0]->Send(); |
|
// slide queue elements over... get 'em on the next eval |
|
fRightBMsg[0] = fRightBMsg[1]; |
|
fRightBMsg[1] = nil; |
|
} |
|
// ...middle mouse button |
|
if ( fMiddleBMsg[0] != nil) |
|
{ |
|
fMiddleBMsg[0]->Send(); |
|
// slide queue elements over... get 'em on the next eval |
|
fMiddleBMsg[0] = fMiddleBMsg[1]; |
|
fMiddleBMsg[1] = nil; |
|
} |
|
|
|
} |
|
|
|
plIMouseXEventMsg* pXMsg = plIMouseXEventMsg::ConvertNoRef(msg); |
|
if (pXMsg) |
|
{ |
|
// send a mouse event |
|
plMouseEventMsg* pMsg = new plMouseEventMsg; |
|
if (pXMsg->fX == 999) |
|
pMsg->SetXPos( fXPos + 0.001f ); |
|
else |
|
if (pXMsg->fX == -999) |
|
pMsg->SetXPos( fXPos - 0.001f ); |
|
else |
|
pMsg->SetXPos(pXMsg->fX); |
|
pMsg->SetYPos( fYPos ); |
|
pMsg->SetDX( ( fXPos - pMsg->GetXPos()) ); |
|
pMsg->SetDY(0); |
|
|
|
if (pMsg->GetDX() == 0.0f && !plMouseDevice::bMsgAlways) |
|
{ |
|
delete pMsg; |
|
return true; |
|
} |
|
if (fXMsg) |
|
delete fXMsg; |
|
fXMsg = pMsg; |
|
|
|
if (pXMsg->fX == 999) |
|
fXPos += 0.01; |
|
else |
|
if (pXMsg->fX == -999) |
|
fXPos -= 0.01; |
|
else |
|
fXPos = pXMsg->fX; |
|
|
|
SetCursorX(fXPos); |
|
fWXPos = pXMsg->fWx; |
|
return true; |
|
} |
|
|
|
plIMouseYEventMsg* pYMsg = plIMouseYEventMsg::ConvertNoRef(msg); |
|
if (pYMsg) |
|
{ |
|
// send a mouse event |
|
plMouseEventMsg* pMsg = new plMouseEventMsg; |
|
pMsg->SetXPos( fXPos ); |
|
if (pYMsg->fY == 999) |
|
pMsg->SetYPos( fYPos + 0.01f ); |
|
else |
|
if (pYMsg->fY == -999) |
|
pMsg->SetYPos( fYPos - 0.01f ); |
|
else |
|
pMsg->SetYPos(pYMsg->fY); |
|
pMsg->SetDX(0); |
|
pMsg->SetDY(fYPos - pMsg->GetYPos()); |
|
|
|
if (pMsg->GetDY() == 0.0f && !plMouseDevice::bMsgAlways) |
|
{ |
|
delete pMsg; |
|
return true; |
|
} |
|
if (fYMsg) |
|
delete fYMsg; |
|
fYMsg = pMsg; |
|
|
|
if (pYMsg->fY == 999) |
|
fYPos += 0.01; |
|
else |
|
if (pYMsg->fY == -999) |
|
fYPos -= 0.01; |
|
else |
|
fYPos = pYMsg->fY; |
|
|
|
fWYPos = pYMsg->fWy; |
|
SetCursorY(fYPos); |
|
|
|
return true; |
|
} |
|
plIMouseBEventMsg* pBMsg = plIMouseBEventMsg::ConvertNoRef(msg); |
|
if (pBMsg) |
|
{ |
|
|
|
// send a mouse event |
|
plMouseEventMsg* pMsg = new plMouseEventMsg; |
|
pMsg->SetXPos( fXPos ); |
|
pMsg->SetYPos( fYPos ); |
|
pMsg->SetDX(0); |
|
pMsg->SetDY(0); |
|
|
|
bool deleteMe = true; |
|
|
|
// which button is different? |
|
if (pBMsg->fButton & kLeftButtonDown && !(fButtonState & kLeftButtonDown)) |
|
{ |
|
// left button now down |
|
fButtonState |= kLeftButtonDown; |
|
pMsg->SetButton( kLeftButtonDown ); |
|
deleteMe = false; |
|
} |
|
else |
|
if (pBMsg->fButton & kLeftButtonUp && fButtonState & kLeftButtonDown) |
|
{ |
|
// left button now up |
|
fButtonState &= ~kLeftButtonDown; |
|
pMsg->SetButton( kLeftButtonUp ); |
|
deleteMe = false; |
|
} |
|
else |
|
if (pBMsg->fButton & kRightButtonDown && !(fButtonState & kRightButtonDown)) |
|
{ |
|
// right button now down |
|
fButtonState |= kRightButtonDown; |
|
pMsg->SetButton( kRightButtonDown ); |
|
deleteMe = false; |
|
} |
|
else |
|
if (pBMsg->fButton & kRightButtonUp && fButtonState & kRightButtonDown) |
|
{ |
|
// right button now up |
|
fButtonState &= ~kRightButtonDown; |
|
pMsg->SetButton( kRightButtonUp ); |
|
deleteMe = false; |
|
} |
|
else |
|
if (pBMsg->fButton & kMiddleButtonDown && !(fButtonState & kMiddleButtonDown)) |
|
{ |
|
// mouse wheel button now down |
|
fButtonState |= kMiddleButtonDown; |
|
pMsg->SetButton( kMiddleButtonDown ); |
|
deleteMe = false; |
|
} |
|
else |
|
if (pBMsg->fButton & kMiddleButtonUp && fButtonState & kMiddleButtonDown) |
|
{ |
|
// right button now up |
|
fButtonState &= ~kMiddleButtonDown; |
|
pMsg->SetButton( kMiddleButtonUp ); |
|
deleteMe = false; |
|
} |
|
|
|
if (pBMsg->fButton & kRightButtonDblClk) |
|
{ |
|
// right button dbl clicked, send TWO messages |
|
plMouseEventMsg* pMsg2 = new plMouseEventMsg; |
|
pMsg2->SetXPos( fXPos ); |
|
pMsg2->SetYPos( fYPos ); |
|
pMsg2->SetDX(0); |
|
pMsg2->SetDY(0); |
|
pMsg2->SetButton( kRightButtonDblClk ); |
|
|
|
if( fB2Msg != nil ) |
|
delete fB2Msg; |
|
fB2Msg = pMsg2; |
|
|
|
pMsg->SetButton( kRightButtonDown ); |
|
deleteMe = false; |
|
} |
|
else |
|
if (pBMsg->fButton & kLeftButtonDblClk) |
|
{ |
|
// left button dbl clicked, send TWO messages |
|
plMouseEventMsg* pMsg2 = new plMouseEventMsg; |
|
pMsg2->SetXPos( fXPos ); |
|
pMsg2->SetYPos( fYPos ); |
|
pMsg2->SetDX(0); |
|
pMsg2->SetDY(0); |
|
pMsg2->SetButton( kLeftButtonDblClk ); |
|
|
|
if( fB2Msg != nil ) |
|
delete fB2Msg; |
|
fB2Msg = pMsg2; |
|
|
|
pMsg->SetButton( kLeftButtonDown ); |
|
deleteMe = false; |
|
} |
|
|
|
if( deleteMe ) |
|
{ |
|
// mouse button state not changed |
|
delete pMsg; |
|
return true; |
|
} |
|
|
|
// we are going to save up to two button mouse events per button (left and right) |
|
// that will be dispatched on the next eval |
|
|
|
// which button is this for? |
|
if ( pMsg->GetButton() == kLeftButtonDown || pMsg->GetButton() == kLeftButtonUp ) |
|
{ |
|
// see if the queue is just empty |
|
if ( fLeftBMsg[0] == nil) |
|
{ |
|
// nothing to think about... goes in first slot |
|
fLeftBMsg[0] = pMsg; |
|
} |
|
else if (fLeftBMsg[1] == nil) |
|
{ |
|
// nothing to think about... goes in second slot |
|
fLeftBMsg[1] = pMsg; |
|
} |
|
else |
|
{ |
|
// else queue if full... need to make some decisions |
|
plMouseEventMsg* lastMsg = plMouseEventMsg::ConvertNoRef(pMsg); |
|
// ...if this is an up event and [1] is a down then we need to remove both |
|
// ...because we can't lose the up event and the down will have no match |
|
if ( pMsg->GetButton() == kLeftButtonUp && lastMsg && lastMsg->GetButton() == kLeftButtonDown) |
|
{ |
|
delete pMsg; |
|
delete fLeftBMsg[1]; |
|
fLeftBMsg[1] = nil; |
|
} |
|
// ... otherwise ignore this event |
|
else |
|
{ |
|
delete pMsg; |
|
} |
|
} |
|
} |
|
else if ( pMsg->GetButton() == kRightButtonDown || pMsg->GetButton() == kRightButtonUp ) |
|
{ |
|
// see if the queue is just empty |
|
if ( fRightBMsg[0] == nil) |
|
{ |
|
// nothing to think about... goes in first slot |
|
fRightBMsg[0] = pMsg; |
|
} |
|
else if (fRightBMsg[1] == nil) |
|
{ |
|
// nothing to think about... goes in second slot |
|
fRightBMsg[1] = pMsg; |
|
} |
|
else |
|
{ |
|
// else queue if full... need to make some decisions |
|
plMouseEventMsg* lastMsg = plMouseEventMsg::ConvertNoRef(pMsg); |
|
// ...if this is an up event and [1] is a down then we need to remove both |
|
// ...because we can't lose the up event and the down will have no match |
|
if ( pMsg->GetButton() == kRightButtonUp && lastMsg && lastMsg->GetButton() == kRightButtonDown) |
|
{ |
|
delete pMsg; |
|
delete fRightBMsg[1]; |
|
fRightBMsg[1] = nil; |
|
} |
|
// ... otherwise ignore this event |
|
else |
|
{ |
|
delete pMsg; |
|
} |
|
} |
|
} |
|
else if ( pMsg->GetButton() == kMiddleButtonDown || pMsg->GetButton() == kMiddleButtonUp ) |
|
{ |
|
// see if the queue is just empty |
|
if ( fMiddleBMsg[0] == nil) |
|
{ |
|
// nothing to think about... goes in first slot |
|
fMiddleBMsg[0] = pMsg; |
|
} |
|
else if (fMiddleBMsg[1] == nil) |
|
{ |
|
// nothing to think about... goes in second slot |
|
fMiddleBMsg[1] = pMsg; |
|
} |
|
else |
|
{ |
|
// else queue if full... need to make some decisions |
|
plMouseEventMsg* lastMsg = plMouseEventMsg::ConvertNoRef(pMsg); |
|
// ...if this is an up event and [1] is a down then we need to remove both |
|
// ...because we can't lose the up event and the down will have no match |
|
if ( pMsg->GetButton() == kMiddleButtonUp && lastMsg && lastMsg->GetButton() == kMiddleButtonDown) |
|
{ |
|
delete pMsg; |
|
delete fMiddleBMsg[1]; |
|
fMiddleBMsg[1] = nil; |
|
} |
|
// ... otherwise ignore this event |
|
else |
|
{ |
|
delete pMsg; |
|
} |
|
} |
|
} |
|
// we are going to dispatch the mouse button events right away |
|
// and not wait for the next eval, because we shouldn't miss one of these |
|
|
|
return true; |
|
} |
|
return false; |
|
}
|
|
|