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barrier/lib/platform/CMSWindowsPrimaryScreen.cpp

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2002-08-02 23:57:46 +04:00
/*
* synergy -- mouse and keyboard sharing utility
* Copyright (C) 2002 Chris Schoeneman
*
* This package is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* found in the file COPYING that should have accompanied this file.
*
* This package 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.
*/
#include "CMSWindowsPrimaryScreen.h"
#include "CMSWindowsScreen.h"
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#include "IPrimaryScreenReceiver.h"
#include "XScreen.h"
#include "CLog.h"
#include "CArchMiscWindows.h"
#include <cstring>
//
// CMSWindowsPrimaryScreen
//
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CMSWindowsPrimaryScreen::CMSWindowsPrimaryScreen(
IScreenReceiver* receiver,
IPrimaryScreenReceiver* primaryReceiver) :
CPrimaryScreen(receiver),
m_receiver(primaryReceiver),
m_is95Family(CArchMiscWindows::isWindows95Family()),
m_threadID(0),
m_window(NULL),
m_mark(0),
m_markReceived(0)
{
assert(m_receiver != NULL);
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// load the hook library
m_hookLibrary = LoadLibrary("synrgyhk");
if (m_hookLibrary == NULL) {
LOG((CLOG_ERR "Failed to load hook library; synrgyhk.dll is missing"));
throw XScreenOpenFailure();
}
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m_setSides = (SetSidesFunc)GetProcAddress(m_hookLibrary, "setSides");
m_setZone = (SetZoneFunc)GetProcAddress(m_hookLibrary, "setZone");
m_setRelay = (SetRelayFunc)GetProcAddress(m_hookLibrary, "setRelay");
m_install = (InstallFunc)GetProcAddress(m_hookLibrary, "install");
m_uninstall = (UninstallFunc)GetProcAddress(m_hookLibrary, "uninstall");
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m_init = (InitFunc)GetProcAddress(m_hookLibrary, "init");
m_cleanup = (CleanupFunc)GetProcAddress(m_hookLibrary, "cleanup");
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if (m_setSides == NULL ||
m_setZone == NULL ||
m_setRelay == NULL ||
m_install == NULL ||
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m_uninstall == NULL ||
m_init == NULL ||
m_cleanup == NULL) {
LOG((CLOG_ERR "Invalid hook library; use a newer synrgyhk.dll"));
FreeLibrary(m_hookLibrary);
throw XScreenOpenFailure();
}
// create screen
m_screen = new CMSWindowsScreen(receiver, this);
}
CMSWindowsPrimaryScreen::~CMSWindowsPrimaryScreen()
{
assert(m_hookLibrary != NULL);
assert(m_window == NULL);
delete m_screen;
FreeLibrary(m_hookLibrary);
}
void
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CMSWindowsPrimaryScreen::reconfigure(UInt32 activeSides)
{
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m_setSides(activeSides);
}
void
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CMSWindowsPrimaryScreen::warpCursor(SInt32 x, SInt32 y)
{
// warp mouse
warpCursorNoFlush(x, y);
// remove all input events before and including warp
MSG msg;
while (PeekMessage(&msg, NULL, SYNERGY_MSG_INPUT_FIRST,
SYNERGY_MSG_INPUT_LAST, PM_REMOVE)) {
// do nothing
}
// save position as last position
m_x = x;
m_y = y;
}
void
CMSWindowsPrimaryScreen::resetOptions()
{
// no options
}
void
CMSWindowsPrimaryScreen::setOptions(const COptionsList& /*options*/)
{
// no options
}
KeyModifierMask
CMSWindowsPrimaryScreen::getToggleMask() const
{
KeyModifierMask mask = 0;
if ((GetKeyState(VK_CAPITAL) & 0x01) != 0)
mask |= KeyModifierCapsLock;
if ((GetKeyState(VK_NUMLOCK) & 0x01) != 0)
mask |= KeyModifierNumLock;
if ((GetKeyState(VK_SCROLL) & 0x01) != 0)
mask |= KeyModifierScrollLock;
return mask;
}
bool
CMSWindowsPrimaryScreen::isLockedToScreen() const
{
// virtual key table. the table defines the virtual keys that are
// mapped to something (including mouse buttons, OEM and kanji keys
// but not unassigned or undefined keys).
static const UInt32 s_mappedKeys[] = {
0xfbff331e,
0x03ffffff,
0x3ffffffe,
0xffffffff,
0x000300ff,
0xfc000000,
0xf8000001,
0x7ffffe5f
};
// check each key. note that we cannot use GetKeyboardState() here
// since it reports the state of keys according to key messages
// that have been pulled off the queue. in general, we won't get
// these key messages because they're not for our window. if any
// key (or mouse button) is down then we're locked to the screen.
if (isActive()) {
// use shadow keyboard state in m_keys
for (UInt32 i = 0; i < 256; ++i) {
if ((m_keys[i] & 0x80) != 0) {
return true;
}
}
}
else {
for (UInt32 i = 0; i < 256 / 32; ++i) {
for (UInt32 b = 1, j = 0; j < 32; b <<= 1, ++j) {
if ((s_mappedKeys[i] & b) != 0) {
if (GetAsyncKeyState(i * 32 + j) < 0) {
return true;
}
}
}
}
}
// not locked
return false;
}
IScreen*
CMSWindowsPrimaryScreen::getScreen() const
{
return m_screen;
}
void
CMSWindowsPrimaryScreen::onScreensaver(bool activated)
{
m_receiver->onScreensaver(activated);
}
bool
CMSWindowsPrimaryScreen::onPreDispatch(const CEvent* event)
{
assert(event != NULL);
// handle event
const MSG* msg = &event->m_msg;
switch (msg->message) {
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case SYNERGY_MSG_MARK:
m_markReceived = msg->wParam;
return true;
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case SYNERGY_MSG_KEY:
// ignore message if posted prior to last mark change
if (!ignore()) {
KeyModifierMask mask;
const KeyID key = mapKey(msg->wParam, msg->lParam, &mask);
if (key != kKeyNone) {
if ((msg->lParam & 0x80000000) == 0) {
// key press
const SInt32 repeat = (SInt32)(msg->lParam & 0xffff);
if (repeat >= 2) {
LOG((CLOG_DEBUG1 "event: key repeat key=%d mask=0x%04x count=%d", key, mask, repeat));
m_receiver->onKeyRepeat(key, mask, repeat);
}
else {
LOG((CLOG_DEBUG1 "event: key press key=%d mask=0x%04x", key, mask));
m_receiver->onKeyDown(key, mask);
}
// update key state
updateKey(msg->wParam, true);
}
else {
// key release
LOG((CLOG_DEBUG1 "event: key release key=%d mask=0x%04x", key, mask));
m_receiver->onKeyUp(key, mask);
// update key state
updateKey(msg->wParam, false);
}
}
else {
LOG((CLOG_DEBUG2 "event: cannot map key wParam=%d lParam=0x%08x", msg->wParam, msg->lParam));
}
}
return true;
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case SYNERGY_MSG_MOUSE_BUTTON:
// ignore message if posted prior to last mark change
if (!ignore()) {
static const int s_vkButton[] = {
0, // kButtonNone
VK_LBUTTON, // kButtonLeft, etc.
VK_MBUTTON,
VK_RBUTTON
};
const ButtonID button = mapButton(msg->wParam);
switch (msg->wParam) {
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case WM_LBUTTONDOWN:
case WM_MBUTTONDOWN:
case WM_RBUTTONDOWN:
LOG((CLOG_DEBUG1 "event: button press button=%d", button));
if (button != kButtonNone) {
m_receiver->onMouseDown(button);
m_keys[s_vkButton[button]] |= 0x80;
}
break;
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case WM_LBUTTONUP:
case WM_MBUTTONUP:
case WM_RBUTTONUP:
LOG((CLOG_DEBUG1 "event: button release button=%d", button));
if (button != kButtonNone) {
m_receiver->onMouseUp(button);
m_keys[s_vkButton[button]] &= ~0x80;
}
break;
}
}
return true;
case SYNERGY_MSG_MOUSE_WHEEL:
// ignore message if posted prior to last mark change
if (!ignore()) {
LOG((CLOG_DEBUG1 "event: button wheel delta=%d %d", msg->wParam, msg->lParam));
m_receiver->onMouseWheel(msg->wParam);
}
return true;
case SYNERGY_MSG_PRE_WARP:
{
// save position to compute delta of next motion
m_x = static_cast<SInt32>(msg->wParam);
m_y = static_cast<SInt32>(msg->lParam);
// we warped the mouse. discard events until we find the
// matching post warp event. see warpCursorNoFlush() for
// where the events are sent. we discard the matching
// post warp event and can be sure we've skipped the warp
// event.
MSG msg;
do {
GetMessage(&msg, NULL, SYNERGY_MSG_MOUSE_MOVE,
SYNERGY_MSG_POST_WARP);
} while (msg.message != SYNERGY_MSG_POST_WARP);
return true;
}
case SYNERGY_MSG_POST_WARP:
LOG((CLOG_WARN "unmatched post warp"));
return true;
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case SYNERGY_MSG_MOUSE_MOVE:
// ignore message if posted prior to last mark change
if (!ignore()) {
// compute motion delta (relative to the last known
// mouse position)
SInt32 x = static_cast<SInt32>(msg->wParam) - m_x;
SInt32 y = static_cast<SInt32>(msg->lParam) - m_y;
// save position to compute delta of next motion
m_x = static_cast<SInt32>(msg->wParam);
m_y = static_cast<SInt32>(msg->lParam);
if (!isActive()) {
// motion on primary screen
m_receiver->onMouseMovePrimary(m_x, m_y);
}
else {
// motion on secondary screen. warp mouse back to
// center.
if (x != 0 || y != 0) {
// back to center
warpCursorNoFlush(m_xCenter, m_yCenter);
// send motion
m_receiver->onMouseMoveSecondary(x, y);
}
}
}
return true;
}
return false;
}
bool
CMSWindowsPrimaryScreen::onEvent(CEvent* event)
{
assert(event != NULL);
const MSG& msg = event->m_msg;
switch (msg.message) {
case WM_DISPLAYCHANGE:
// recompute center pixel of primary screen
m_screen->getCursorCenter(m_xCenter, m_yCenter);
// warp mouse to center if active
if (isActive()) {
warpCursorToCenter();
}
// tell hook about resize if not active
else {
SInt32 x, y, w, h;
m_screen->getShape(x, y, w, h);
m_setZone(x, y, w, h, getJumpZoneSize());
}
return true;
}
return false;
}
SInt32
CMSWindowsPrimaryScreen::getJumpZoneSize() const
{
return 1;
}
void
CMSWindowsPrimaryScreen::postCreateWindow(HWND window)
{
// save window
m_window = window;
// install hooks
m_install();
// resize window
// note -- we use a fullscreen window to grab input. it should
// be possible to use a 1x1 window but i've run into problems
// with losing keyboard input (focus?) in that case.
// unfortunately, hiding the full screen window (when entering
// the screen) causes all other windows to redraw.
SInt32 x, y, w, h;
m_screen->getShape(x, y, w, h);
MoveWindow(m_window, x, y, w, h, FALSE);
if (isActive()) {
// hide the cursor
showWindow();
}
else {
// watch jump zones
m_setRelay(false);
// all messages prior to now are invalid
nextMark();
}
}
void
CMSWindowsPrimaryScreen::preDestroyWindow(HWND)
{
// hide the window if it's visible
if (isActive()) {
hideWindow();
}
// uninstall hooks
m_uninstall();
}
void
CMSWindowsPrimaryScreen::onPreMainLoop()
{
// must call mainLoop() from same thread as open()
assert(m_threadID == GetCurrentThreadId());
assert(m_window != NULL);
}
void
CMSWindowsPrimaryScreen::onPreOpen()
{
assert(m_window == NULL);
// initialize hook library
m_threadID = GetCurrentThreadId();
if (m_init(m_threadID) == 0) {
LOG((CLOG_ERR "Cannot initialize hook library; is synergy already running?"));
throw XScreenOpenFailure();
}
}
void
CMSWindowsPrimaryScreen::onPostOpen()
{
// get cursor info
m_screen->getCursorPos(m_x, m_y);
m_screen->getCursorCenter(m_xCenter, m_yCenter);
// set jump zones
SInt32 x, y, w, h;
m_screen->getShape(x, y, w, h);
m_setZone(x, y, w, h, getJumpZoneSize());
// initialize marks
m_mark = 0;
m_markReceived = 0;
nextMark();
}
void
CMSWindowsPrimaryScreen::onPostClose()
{
m_cleanup();
m_threadID = 0;
}
void
CMSWindowsPrimaryScreen::onPreEnter()
{
assert(m_window != NULL);
// enable ctrl+alt+del, alt+tab, etc
if (m_is95Family) {
DWORD dummy = 0;
SystemParametersInfo(SPI_SETSCREENSAVERRUNNING, FALSE, &dummy, 0);
}
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// watch jump zones
m_setRelay(false);
}
void
CMSWindowsPrimaryScreen::onPostEnter()
{
// all messages prior to now are invalid
nextMark();
}
void
CMSWindowsPrimaryScreen::onPreLeave()
{
assert(m_window != NULL);
// all messages prior to now are invalid
nextMark();
}
void
CMSWindowsPrimaryScreen::onPostLeave(bool success)
{
if (success) {
// relay all mouse and keyboard events
m_setRelay(true);
// disable ctrl+alt+del, alt+tab, etc
if (m_is95Family) {
DWORD dummy = 0;
SystemParametersInfo(SPI_SETSCREENSAVERRUNNING, TRUE, &dummy, 0);
}
}
}
void
CMSWindowsPrimaryScreen::createWindow()
{
// open the desktop and the window
m_window = m_screen->openDesktop();
if (m_window == NULL) {
throw XScreenOpenFailure();
}
// note -- we use a fullscreen window to grab input. it should
// be possible to use a 1x1 window but i've run into problems
// with losing keyboard input (focus?) in that case.
// unfortunately, hiding the full screen window (when entering
// the scren causes all other windows to redraw).
SInt32 x, y, w, h;
m_screen->getShape(x, y, w, h);
MoveWindow(m_window, x, y, w, h, FALSE);
}
void
CMSWindowsPrimaryScreen::destroyWindow()
{
// close the desktop and the window
m_screen->closeDesktop();
m_window = NULL;
}
bool
CMSWindowsPrimaryScreen::showWindow()
{
// remember the active window before we leave. GetActiveWindow()
// will only return the active window for the thread's queue (i.e.
// our app) but we need the globally active window. get that by
// attaching input to the foreground window's thread then calling
// GetActiveWindow() and then detaching our input.
m_lastActiveWindow = NULL;
m_lastForegroundWindow = GetForegroundWindow();
m_lastActiveThread = GetWindowThreadProcessId(
m_lastForegroundWindow, NULL);
if (m_lastActiveThread != 0) {
DWORD myThread = GetCurrentThreadId();
if (AttachThreadInput(myThread, m_lastActiveThread, TRUE)) {
m_lastActiveWindow = GetActiveWindow();
AttachThreadInput(myThread, m_lastActiveThread, FALSE);
}
}
// show our window
ShowWindow(m_window, SW_SHOW);
// get keyboard input and capture mouse
SetActiveWindow(m_window);
SetFocus(m_window);
SetCapture(m_window);
return true;
}
void
CMSWindowsPrimaryScreen::hideWindow()
{
// restore the active window and hide our window. we can only set
// the active window for another thread if we first attach our input
// to that thread.
ReleaseCapture();
if (m_lastActiveWindow != NULL) {
DWORD myThread = GetCurrentThreadId();
if (AttachThreadInput(myThread, m_lastActiveThread, TRUE)) {
// FIXME -- shouldn't raise window if X-Mouse is enabled
// but i have no idea how to do that or check if enabled.
SetActiveWindow(m_lastActiveWindow);
AttachThreadInput(myThread, m_lastActiveThread, FALSE);
}
}
// hide the window. do not wait for it, though, since ShowWindow()
// waits for the event loop to process the show-window event, but
// that thread may need to lock the mutex that this thread has
// already locked. in particular, that deadlock will occur unless
// we use the asynchronous version of show window when a client
// disconnects: thread A will lock the mutex and enter the primary
// screen which warps the mouse and calls this method while thread B
// will handle the mouse warp event and call methods that try to
// lock the mutex. thread A owns the mutex and is waiting for the
// event loop, thread B owns the event loop and is waiting for the
// mutex causing deadlock.
ShowWindowAsync(m_window, SW_HIDE);
}
void
CMSWindowsPrimaryScreen::warpCursorToCenter()
{
warpCursor(m_xCenter, m_yCenter);
}
void
CMSWindowsPrimaryScreen::warpCursorNoFlush(SInt32 x, SInt32 y)
{
// send an event that we can recognize before the mouse warp
PostThreadMessage(m_threadID, SYNERGY_MSG_PRE_WARP, x, y);
// warp mouse. hopefully this inserts a mouse motion event
// between the previous message and the following message.
SetCursorPos(x, y);
// send an event that we can recognize after the mouse warp
PostThreadMessage(m_threadID, SYNERGY_MSG_POST_WARP, 0, 0);
}
void
CMSWindowsPrimaryScreen::nextMark()
{
// next mark
++m_mark;
// mark point in message queue where the mark was changed
PostThreadMessage(m_threadID, SYNERGY_MSG_MARK, m_mark, 0);
}
bool
CMSWindowsPrimaryScreen::ignore() const
{
return (m_mark != m_markReceived);
}
// map virtual keys to synergy key enumeration. use extended keyboard
// bit to distinguish some keys.
static const KeyID g_virtualKey[][2] =
{
/* 0x00 */ kKeyNone, kKeyNone, // reserved
/* 0x01 */ kKeyNone, kKeyNone, // VK_LBUTTON
/* 0x02 */ kKeyNone, kKeyNone, // VK_RBUTTON
/* 0x03 */ kKeyNone, kKeyBreak, // VK_CANCEL
/* 0x04 */ kKeyNone, kKeyNone, // VK_MBUTTON
/* 0x05 */ kKeyNone, kKeyNone, // undefined
/* 0x06 */ kKeyNone, kKeyNone, // undefined
/* 0x07 */ kKeyNone, kKeyNone, // undefined
/* 0x08 */ kKeyBackSpace, kKeyNone, // VK_BACK
/* 0x09 */ kKeyTab, kKeyNone, // VK_TAB
/* 0x0a */ kKeyNone, kKeyNone, // undefined
/* 0x0b */ kKeyNone, kKeyNone, // undefined
/* 0x0c */ kKeyClear, kKeyClear, // VK_CLEAR
/* 0x0d */ kKeyReturn, kKeyKP_Enter, // VK_RETURN
/* 0x0e */ kKeyNone, kKeyNone, // undefined
/* 0x0f */ kKeyNone, kKeyNone, // undefined
/* 0x10 */ kKeyShift_L, kKeyShift_R, // VK_SHIFT
/* 0x11 */ kKeyControl_L, kKeyControl_R, // VK_CONTROL
/* 0x12 */ kKeyAlt_L, kKeyAlt_R, // VK_MENU
/* 0x13 */ kKeyPause, kKeyNone, // VK_PAUSE
/* 0x14 */ kKeyCapsLock, kKeyNone, // VK_CAPITAL
/* 0x15 */ kKeyNone, kKeyNone, // VK_KANA
/* 0x16 */ kKeyNone, kKeyNone, // VK_HANGUL
/* 0x17 */ kKeyNone, kKeyNone, // VK_JUNJA
/* 0x18 */ kKeyNone, kKeyNone, // VK_FINAL
/* 0x19 */ kKeyNone, kKeyNone, // VK_KANJI
/* 0x1a */ kKeyNone, kKeyNone, // undefined
/* 0x1b */ kKeyEscape, kKeyNone, // VK_ESCAPE
/* 0x1c */ kKeyNone, kKeyNone, // VK_CONVERT
/* 0x1d */ kKeyNone, kKeyNone, // VK_NONCONVERT
/* 0x1e */ kKeyNone, kKeyNone, // VK_ACCEPT
/* 0x1f */ kKeyNone, kKeyNone, // VK_MODECHANGE
/* 0x20 */ 0x0020, kKeyNone, // VK_SPACE
/* 0x21 */ kKeyKP_PageUp, kKeyPageUp, // VK_PRIOR
/* 0x22 */ kKeyKP_PageDown, kKeyPageDown, // VK_NEXT
/* 0x23 */ kKeyKP_End, kKeyEnd, // VK_END
/* 0x24 */ kKeyKP_Home, kKeyHome, // VK_HOME
/* 0x25 */ kKeyKP_Left, kKeyLeft, // VK_LEFT
/* 0x26 */ kKeyKP_Up, kKeyUp, // VK_UP
/* 0x27 */ kKeyKP_Right, kKeyRight, // VK_RIGHT
/* 0x28 */ kKeyKP_Down, kKeyDown, // VK_DOWN
/* 0x29 */ kKeySelect, kKeySelect, // VK_SELECT
/* 0x2a */ kKeyNone, kKeyNone, // VK_PRINT
/* 0x2b */ kKeyExecute, kKeyExecute, // VK_EXECUTE
/* 0x2c */ kKeyPrint, kKeyPrint, // VK_SNAPSHOT
/* 0x2d */ kKeyKP_Insert, kKeyInsert, // VK_INSERT
/* 0x2e */ kKeyKP_Delete, kKeyDelete, // VK_DELETE
/* 0x2f */ kKeyHelp, kKeyHelp, // VK_HELP
/* 0x30 */ kKeyNone, kKeyNone, // VK_0
/* 0x31 */ kKeyNone, kKeyNone, // VK_1
/* 0x32 */ kKeyNone, kKeyNone, // VK_2
/* 0x33 */ kKeyNone, kKeyNone, // VK_3
/* 0x34 */ kKeyNone, kKeyNone, // VK_4
/* 0x35 */ kKeyNone, kKeyNone, // VK_5
/* 0x36 */ kKeyNone, kKeyNone, // VK_6
/* 0x37 */ kKeyNone, kKeyNone, // VK_7
/* 0x38 */ kKeyNone, kKeyNone, // VK_8
/* 0x39 */ kKeyNone, kKeyNone, // VK_9
/* 0x3a */ kKeyNone, kKeyNone, // undefined
/* 0x3b */ kKeyNone, kKeyNone, // undefined
/* 0x3c */ kKeyNone, kKeyNone, // undefined
/* 0x3d */ kKeyNone, kKeyNone, // undefined
/* 0x3e */ kKeyNone, kKeyNone, // undefined
/* 0x3f */ kKeyNone, kKeyNone, // undefined
/* 0x40 */ kKeyNone, kKeyNone, // undefined
/* 0x41 */ kKeyNone, kKeyNone, // VK_A
/* 0x42 */ kKeyNone, kKeyNone, // VK_B
/* 0x43 */ kKeyNone, kKeyNone, // VK_C
/* 0x44 */ kKeyNone, kKeyNone, // VK_D
/* 0x45 */ kKeyNone, kKeyNone, // VK_E
/* 0x46 */ kKeyNone, kKeyNone, // VK_F
/* 0x47 */ kKeyNone, kKeyNone, // VK_G
/* 0x48 */ kKeyNone, kKeyNone, // VK_H
/* 0x49 */ kKeyNone, kKeyNone, // VK_I
/* 0x4a */ kKeyNone, kKeyNone, // VK_J
/* 0x4b */ kKeyNone, kKeyNone, // VK_K
/* 0x4c */ kKeyNone, kKeyNone, // VK_L
/* 0x4d */ kKeyNone, kKeyNone, // VK_M
/* 0x4e */ kKeyNone, kKeyNone, // VK_N
/* 0x4f */ kKeyNone, kKeyNone, // VK_O
/* 0x50 */ kKeyNone, kKeyNone, // VK_P
/* 0x51 */ kKeyNone, kKeyNone, // VK_Q
/* 0x52 */ kKeyNone, kKeyNone, // VK_R
/* 0x53 */ kKeyNone, kKeyNone, // VK_S
/* 0x54 */ kKeyNone, kKeyNone, // VK_T
/* 0x55 */ kKeyNone, kKeyNone, // VK_U
/* 0x56 */ kKeyNone, kKeyNone, // VK_V
/* 0x57 */ kKeyNone, kKeyNone, // VK_W
/* 0x58 */ kKeyNone, kKeyNone, // VK_X
/* 0x59 */ kKeyNone, kKeyNone, // VK_Y
/* 0x5a */ kKeyNone, kKeyNone, // VK_Z
/* 0x5b */ kKeyNone, kKeySuper_L, // VK_LWIN
/* 0x5c */ kKeyNone, kKeySuper_R, // VK_RWIN
/* 0x5d */ kKeyMenu, kKeyMenu, // VK_APPS
/* 0x5e */ kKeyNone, kKeyNone, // undefined
/* 0x5f */ kKeyNone, kKeyNone, // undefined
/* 0x60 */ kKeyKP_0, kKeyNone, // VK_NUMPAD0
/* 0x61 */ kKeyKP_1, kKeyNone, // VK_NUMPAD1
/* 0x62 */ kKeyKP_2, kKeyNone, // VK_NUMPAD2
/* 0x63 */ kKeyKP_3, kKeyNone, // VK_NUMPAD3
/* 0x64 */ kKeyKP_4, kKeyNone, // VK_NUMPAD4
/* 0x65 */ kKeyKP_5, kKeyNone, // VK_NUMPAD5
/* 0x66 */ kKeyKP_6, kKeyNone, // VK_NUMPAD6
/* 0x67 */ kKeyKP_7, kKeyNone, // VK_NUMPAD7
/* 0x68 */ kKeyKP_8, kKeyNone, // VK_NUMPAD8
/* 0x69 */ kKeyKP_9, kKeyNone, // VK_NUMPAD9
/* 0x6a */ kKeyKP_Multiply, kKeyNone, // VK_MULTIPLY
/* 0x6b */ kKeyKP_Add, kKeyNone, // VK_ADD
/* 0x6c */ kKeyKP_Separator,kKeyKP_Separator,// VK_SEPARATOR
/* 0x6d */ kKeyKP_Subtract, kKeyNone, // VK_SUBTRACT
/* 0x6e */ kKeyKP_Decimal, kKeyNone, // VK_DECIMAL
/* 0x6f */ kKeyNone, kKeyKP_Divide, // VK_DIVIDE
/* 0x70 */ kKeyF1, kKeyNone, // VK_F1
/* 0x71 */ kKeyF2, kKeyNone, // VK_F2
/* 0x72 */ kKeyF3, kKeyNone, // VK_F3
/* 0x73 */ kKeyF4, kKeyNone, // VK_F4
/* 0x74 */ kKeyF5, kKeyNone, // VK_F5
/* 0x75 */ kKeyF6, kKeyNone, // VK_F6
/* 0x76 */ kKeyF7, kKeyNone, // VK_F7
/* 0x77 */ kKeyF8, kKeyNone, // VK_F8
/* 0x78 */ kKeyF9, kKeyNone, // VK_F9
/* 0x79 */ kKeyF10, kKeyNone, // VK_F10
/* 0x7a */ kKeyF11, kKeyNone, // VK_F11
/* 0x7b */ kKeyF12, kKeyNone, // VK_F12
/* 0x7c */ kKeyF13, kKeyF13, // VK_F13
/* 0x7d */ kKeyF14, kKeyF14, // VK_F14
/* 0x7e */ kKeyF15, kKeyF15, // VK_F15
/* 0x7f */ kKeyF16, kKeyF16, // VK_F16
/* 0x80 */ kKeyF17, kKeyF17, // VK_F17
/* 0x81 */ kKeyF18, kKeyF18, // VK_F18
/* 0x82 */ kKeyF19, kKeyF19, // VK_F19
/* 0x83 */ kKeyF20, kKeyF20, // VK_F20
/* 0x84 */ kKeyF21, kKeyF21, // VK_F21
/* 0x85 */ kKeyF22, kKeyF22, // VK_F22
/* 0x86 */ kKeyF23, kKeyF23, // VK_F23
/* 0x87 */ kKeyF24, kKeyF24, // VK_F24
/* 0x88 */ kKeyNone, kKeyNone, // unassigned
/* 0x89 */ kKeyNone, kKeyNone, // unassigned
/* 0x8a */ kKeyNone, kKeyNone, // unassigned
/* 0x8b */ kKeyNone, kKeyNone, // unassigned
/* 0x8c */ kKeyNone, kKeyNone, // unassigned
/* 0x8d */ kKeyNone, kKeyNone, // unassigned
/* 0x8e */ kKeyNone, kKeyNone, // unassigned
/* 0x8f */ kKeyNone, kKeyNone, // unassigned
/* 0x90 */ kKeyNumLock, kKeyNumLock, // VK_NUMLOCK
/* 0x91 */ kKeyScrollLock, kKeyNone, // VK_SCROLL
/* 0x92 */ kKeyNone, kKeyNone, // unassigned
/* 0x93 */ kKeyNone, kKeyNone, // unassigned
/* 0x94 */ kKeyNone, kKeyNone, // unassigned
/* 0x95 */ kKeyNone, kKeyNone, // unassigned
/* 0x96 */ kKeyNone, kKeyNone, // unassigned
/* 0x97 */ kKeyNone, kKeyNone, // unassigned
/* 0x98 */ kKeyNone, kKeyNone, // unassigned
/* 0x99 */ kKeyNone, kKeyNone, // unassigned
/* 0x9a */ kKeyNone, kKeyNone, // unassigned
/* 0x9b */ kKeyNone, kKeyNone, // unassigned
/* 0x9c */ kKeyNone, kKeyNone, // unassigned
/* 0x9d */ kKeyNone, kKeyNone, // unassigned
/* 0x9e */ kKeyNone, kKeyNone, // unassigned
/* 0x9f */ kKeyNone, kKeyNone, // unassigned
/* 0xa0 */ kKeyShift_L, kKeyShift_L, // VK_LSHIFT
/* 0xa1 */ kKeyShift_R, kKeyShift_R, // VK_RSHIFT
/* 0xa2 */ kKeyControl_L, kKeyControl_L, // VK_LCONTROL
/* 0xa3 */ kKeyControl_R, kKeyControl_R, // VK_RCONTROL
/* 0xa4 */ kKeyAlt_L, kKeyAlt_L, // VK_LMENU
/* 0xa5 */ kKeyAlt_R, kKeyAlt_R, // VK_RMENU
/* 0xa6 */ kKeyNone, kKeyNone, // unassigned
/* 0xa7 */ kKeyNone, kKeyNone, // unassigned
/* 0xa8 */ kKeyNone, kKeyNone, // unassigned
/* 0xa9 */ kKeyNone, kKeyNone, // unassigned
/* 0xaa */ kKeyNone, kKeyNone, // unassigned
/* 0xab */ kKeyNone, kKeyNone, // unassigned
/* 0xac */ kKeyNone, kKeyNone, // unassigned
/* 0xad */ kKeyNone, kKeyNone, // unassigned
/* 0xae */ kKeyNone, kKeyNone, // unassigned
/* 0xaf */ kKeyNone, kKeyNone, // unassigned
/* 0xb0 */ kKeyNone, kKeyNone, // unassigned
/* 0xb1 */ kKeyNone, kKeyNone, // unassigned
/* 0xb2 */ kKeyNone, kKeyNone, // unassigned
/* 0xb3 */ kKeyNone, kKeyNone, // unassigned
/* 0xb4 */ kKeyNone, kKeyNone, // unassigned
/* 0xb5 */ kKeyNone, kKeyNone, // unassigned
/* 0xb6 */ kKeyNone, kKeyNone, // unassigned
/* 0xb7 */ kKeyNone, kKeyNone, // unassigned
/* 0xb8 */ kKeyNone, kKeyNone, // unassigned
/* 0xb9 */ kKeyNone, kKeyNone, // unassigned
/* 0xba */ kKeyNone, kKeyNone, // OEM specific
/* 0xbb */ kKeyNone, kKeyNone, // OEM specific
/* 0xbc */ kKeyNone, kKeyNone, // OEM specific
/* 0xbd */ kKeyNone, kKeyNone, // OEM specific
/* 0xbe */ kKeyNone, kKeyNone, // OEM specific
/* 0xbf */ kKeyNone, kKeyNone, // OEM specific
/* 0xc0 */ kKeyNone, kKeyNone, // OEM specific
/* 0xc1 */ kKeyNone, kKeyNone, // unassigned
/* 0xc2 */ kKeyNone, kKeyNone, // unassigned
/* 0xc3 */ kKeyNone, kKeyNone, // unassigned
/* 0xc4 */ kKeyNone, kKeyNone, // unassigned
/* 0xc5 */ kKeyNone, kKeyNone, // unassigned
/* 0xc6 */ kKeyNone, kKeyNone, // unassigned
/* 0xc7 */ kKeyNone, kKeyNone, // unassigned
/* 0xc8 */ kKeyNone, kKeyNone, // unassigned
/* 0xc9 */ kKeyNone, kKeyNone, // unassigned
/* 0xca */ kKeyNone, kKeyNone, // unassigned
/* 0xcb */ kKeyNone, kKeyNone, // unassigned
/* 0xcc */ kKeyNone, kKeyNone, // unassigned
/* 0xcd */ kKeyNone, kKeyNone, // unassigned
/* 0xce */ kKeyNone, kKeyNone, // unassigned
/* 0xcf */ kKeyNone, kKeyNone, // unassigned
/* 0xd0 */ kKeyNone, kKeyNone, // unassigned
/* 0xd1 */ kKeyNone, kKeyNone, // unassigned
/* 0xd2 */ kKeyNone, kKeyNone, // unassigned
/* 0xd3 */ kKeyNone, kKeyNone, // unassigned
/* 0xd4 */ kKeyNone, kKeyNone, // unassigned
/* 0xd5 */ kKeyNone, kKeyNone, // unassigned
/* 0xd6 */ kKeyNone, kKeyNone, // unassigned
/* 0xd7 */ kKeyNone, kKeyNone, // unassigned
/* 0xd8 */ kKeyNone, kKeyNone, // unassigned
/* 0xd9 */ kKeyNone, kKeyNone, // unassigned
/* 0xda */ kKeyNone, kKeyNone, // unassigned
/* 0xdb */ kKeyNone, kKeyNone, // OEM specific
/* 0xdc */ kKeyNone, kKeyNone, // OEM specific
/* 0xdd */ kKeyNone, kKeyNone, // OEM specific
/* 0xde */ kKeyNone, kKeyNone, // OEM specific
/* 0xdf */ kKeyNone, kKeyNone, // OEM specific
/* 0xe0 */ kKeyNone, kKeyNone, // OEM specific
/* 0xe1 */ kKeyNone, kKeyNone, // OEM specific
/* 0xe2 */ kKeyNone, kKeyNone, // OEM specific
/* 0xe3 */ kKeyNone, kKeyNone, // OEM specific
/* 0xe4 */ kKeyNone, kKeyNone, // OEM specific
/* 0xe5 */ kKeyNone, kKeyNone, // unassigned
/* 0xe6 */ kKeyNone, kKeyNone, // OEM specific
/* 0xe7 */ kKeyNone, kKeyNone, // unassigned
/* 0xe8 */ kKeyNone, kKeyNone, // unassigned
/* 0xe9 */ kKeyNone, kKeyNone, // OEM specific
/* 0xea */ kKeyNone, kKeyNone, // OEM specific
/* 0xeb */ kKeyNone, kKeyNone, // OEM specific
/* 0xec */ kKeyNone, kKeyNone, // OEM specific
/* 0xed */ kKeyNone, kKeyNone, // OEM specific
/* 0xee */ kKeyNone, kKeyNone, // OEM specific
/* 0xef */ kKeyNone, kKeyNone, // OEM specific
/* 0xf0 */ kKeyNone, kKeyNone, // OEM specific
/* 0xf1 */ kKeyNone, kKeyNone, // OEM specific
/* 0xf2 */ kKeyNone, kKeyNone, // OEM specific
/* 0xf3 */ kKeyNone, kKeyNone, // OEM specific
/* 0xf4 */ kKeyNone, kKeyNone, // OEM specific
/* 0xf5 */ kKeyNone, kKeyNone, // OEM specific
/* 0xf6 */ kKeyNone, kKeyNone, // VK_ATTN
/* 0xf7 */ kKeyNone, kKeyNone, // VK_CRSEL
/* 0xf8 */ kKeyNone, kKeyNone, // VK_EXSEL
/* 0xf9 */ kKeyNone, kKeyNone, // VK_EREOF
/* 0xfa */ kKeyNone, kKeyNone, // VK_PLAY
/* 0xfb */ kKeyNone, kKeyNone, // VK_ZOOM
/* 0xfc */ kKeyNone, kKeyNone, // reserved
/* 0xfd */ kKeyNone, kKeyNone, // VK_PA1
/* 0xfe */ kKeyNone, kKeyNone, // VK_OEM_CLEAR
/* 0xff */ kKeyNone, kKeyNone // reserved
};
KeyID
CMSWindowsPrimaryScreen::mapKey(
WPARAM vkCode,
LPARAM info,
KeyModifierMask* maskOut)
{
// note: known microsoft bugs
// Q72583 -- MapVirtualKey() maps keypad keys incorrectly
// 95,98: num pad vk code -> invalid scan code
// 95,98,NT4: num pad scan code -> bad vk code except
// SEPARATOR, MULTIPLY, SUBTRACT, ADD
assert(maskOut != NULL);
// map modifier key
KeyModifierMask mask = 0;
if (((m_keys[VK_LSHIFT] |
m_keys[VK_RSHIFT] |
m_keys[VK_SHIFT]) & 0x80) != 0) {
mask |= KeyModifierShift;
}
if (((m_keys[VK_LCONTROL] |
m_keys[VK_RCONTROL] |
m_keys[VK_CONTROL]) & 0x80) != 0) {
mask |= KeyModifierControl;
}
if ((m_keys[VK_RMENU] & 0x80) != 0) {
// right alt => AltGr on windows
mask |= KeyModifierModeSwitch;
}
else if (((m_keys[VK_LMENU] |
m_keys[VK_MENU]) & 0x80) != 0) {
mask |= KeyModifierAlt;
}
if (((m_keys[VK_LWIN] |
m_keys[VK_RWIN]) & 0x80) != 0) {
mask |= KeyModifierMeta;
}
if ((m_keys[VK_CAPITAL] & 0x01) != 0) {
mask |= KeyModifierCapsLock;
}
if ((m_keys[VK_NUMLOCK] & 0x01) != 0) {
mask |= KeyModifierNumLock;
}
if ((m_keys[VK_SCROLL] & 0x01) != 0) {
mask |= KeyModifierScrollLock;
}
// ctrl+alt => AltGr on windows
/* don't convert ctrl+alt to mode switch. if we do that then we can
* never send ctrl+alt+[key] from windows to some platform that
* doesn't treat ctrl+alt as mode switch (i.e. all other platforms).
* instead, let windows clients automatically treat ctrl+alt as
* AltGr and let other clients use ctrl+alt as is. the right alt
* key serves as a mode switch key.
if ((mask & (KeyModifierControl | KeyModifierAlt)) ==
(KeyModifierControl | KeyModifierAlt)) {
mask |= KeyModifierModeSwitch;
mask &= ~(KeyModifierControl | KeyModifierAlt);
}
*/
*maskOut = mask;
LOG((CLOG_DEBUG2 "key in vk=%d info=0x%08x mask=0x%04x", vkCode, info, mask));
// get the scan code and the extended keyboard flag
UINT scanCode = static_cast<UINT>((info & 0x00ff0000u) >> 16);
int extended = ((info & 0x01000000) == 0) ? 0 : 1;
LOG((CLOG_DEBUG1 "key vk=%d ext=%d scan=%d", vkCode, extended, scanCode));
// handle some keys via table lookup
KeyID id = g_virtualKey[vkCode][extended];
if (id != kKeyNone) {
return id;
}
// check for dead keys
if (MapVirtualKey(vkCode, 2) >= 0x8000) {
return kKeyMultiKey;
}
// save the control state then clear it. ToAscii() maps ctrl+letter
// to the corresponding control code and ctrl+backspace to delete.
// we don't want that translation so we clear the control modifier
// state. however, if we want to simulate AltGr (which is ctrl+alt)
// then we must not clear it.
BYTE lControl = m_keys[VK_LCONTROL];
BYTE rControl = m_keys[VK_RCONTROL];
BYTE control = m_keys[VK_CONTROL];
if ((mask & KeyModifierModeSwitch) == 0) {
m_keys[VK_LCONTROL] = 0;
m_keys[VK_RCONTROL] = 0;
m_keys[VK_CONTROL] = 0;
}
// convert to ascii
// FIXME -- support unicode
WORD ascii;
int result = ToAscii(vkCode, scanCode, m_keys, &ascii, 0);
// restore control state
m_keys[VK_LCONTROL] = lControl;
m_keys[VK_RCONTROL] = rControl;
m_keys[VK_CONTROL] = control;
// if result is less than zero then it was a dead key. that key
// is remembered by the keyboard which we don't want. remove it
// by calling ToAscii() again with arbitrary arguments.
if (result < 0) {
ToAscii(vkCode, scanCode, m_keys, &ascii, 0);
return kKeyMultiKey;
}
// if result is 1 then the key was succesfully converted
else if (result == 1) {
return static_cast<KeyID>(ascii & 0x00ff);
}
// if result is 2 then a previous dead key could not be composed.
// put the old dead key back.
else if (result == 2) {
// get the scan code of the dead key and the shift state
// required to generate it.
vkCode = VkKeyScan(static_cast<TCHAR>(ascii & 0x00ff));
// set shift state required to generate key
BYTE keys[256];
memset(keys, 0, sizeof(keys));
if (vkCode & 0x0100) {
keys[VK_SHIFT] = 0x80;
}
if (vkCode & 0x0200) {
keys[VK_CONTROL] = 0x80;
}
if (vkCode & 0x0400) {
keys[VK_MENU] = 0x80;
}
// strip shift state off of virtual key code
vkCode &= 0x00ff;
// get the scan code for the key
scanCode = MapVirtualKey(vkCode, 0);
// put it back
ToAscii(vkCode, scanCode, keys, &ascii, 0);
return kKeyMultiKey;
}
// cannot convert key
return kKeyNone;
}
ButtonID
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CMSWindowsPrimaryScreen::mapButton(WPARAM button) const
{
switch (button) {
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case WM_LBUTTONDOWN:
case WM_LBUTTONUP:
return kButtonLeft;
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case WM_MBUTTONDOWN:
case WM_MBUTTONUP:
return kButtonMiddle;
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case WM_RBUTTONDOWN:
case WM_RBUTTONUP:
return kButtonRight;
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default:
return kButtonNone;
}
}
void
CMSWindowsPrimaryScreen::updateKeys()
{
// not using GetKeyboardState() because that doesn't seem to give
// up-to-date results. i don't know why that is or why GetKeyState()
// should give different results.
// clear key state
memset(m_keys, 0, sizeof(m_keys));
// we only care about the modifier key states. other keys and the
// mouse buttons should be up.
m_keys[VK_LSHIFT] = static_cast<BYTE>(GetKeyState(VK_LSHIFT) & 0x80);
m_keys[VK_RSHIFT] = static_cast<BYTE>(GetKeyState(VK_RSHIFT) & 0x80);
m_keys[VK_SHIFT] = static_cast<BYTE>(GetKeyState(VK_SHIFT) & 0x80);
m_keys[VK_LCONTROL] = static_cast<BYTE>(GetKeyState(VK_LCONTROL) & 0x80);
m_keys[VK_RCONTROL] = static_cast<BYTE>(GetKeyState(VK_RCONTROL) & 0x80);
m_keys[VK_CONTROL] = static_cast<BYTE>(GetKeyState(VK_CONTROL) & 0x80);
m_keys[VK_LMENU] = static_cast<BYTE>(GetKeyState(VK_LMENU) & 0x80);
m_keys[VK_RMENU] = static_cast<BYTE>(GetKeyState(VK_RMENU) & 0x80);
m_keys[VK_MENU] = static_cast<BYTE>(GetKeyState(VK_MENU) & 0x80);
m_keys[VK_LWIN] = static_cast<BYTE>(GetKeyState(VK_LWIN) & 0x80);
m_keys[VK_RWIN] = static_cast<BYTE>(GetKeyState(VK_RWIN) & 0x80);
m_keys[VK_APPS] = static_cast<BYTE>(GetKeyState(VK_APPS) & 0x80);
m_keys[VK_CAPITAL] = static_cast<BYTE>(GetKeyState(VK_CAPITAL));
m_keys[VK_NUMLOCK] = static_cast<BYTE>(GetKeyState(VK_NUMLOCK));
m_keys[VK_SCROLL] = static_cast<BYTE>(GetKeyState(VK_SCROLL));
}
void
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CMSWindowsPrimaryScreen::updateKey(UINT vkCode, bool press)
{
if (press) {
switch (vkCode) {
case VK_LSHIFT:
case VK_RSHIFT:
case VK_SHIFT:
m_keys[vkCode] |= 0x80;
m_keys[VK_SHIFT] |= 0x80;
break;
case VK_LCONTROL:
case VK_RCONTROL:
case VK_CONTROL:
m_keys[vkCode] |= 0x80;
m_keys[VK_CONTROL] |= 0x80;
break;
case VK_LMENU:
case VK_RMENU:
case VK_MENU:
m_keys[vkCode] |= 0x80;
m_keys[VK_MENU] |= 0x80;
break;
case VK_CAPITAL:
case VK_NUMLOCK:
case VK_SCROLL:
// toggle keys
m_keys[vkCode] |= 0x80;
break;
default:
case VK_LWIN:
case VK_RWIN:
case VK_APPS:
m_keys[vkCode] |= 0x80;
break;
}
}
else {
switch (vkCode) {
case VK_LSHIFT:
case VK_RSHIFT:
case VK_SHIFT:
m_keys[vkCode] &= ~0x80;
if (((m_keys[VK_LSHIFT] | m_keys[VK_RSHIFT]) & 0x80) == 0) {
m_keys[VK_SHIFT] &= ~0x80;
}
break;
case VK_LCONTROL:
case VK_RCONTROL:
case VK_CONTROL:
m_keys[vkCode] &= ~0x80;
if (((m_keys[VK_LCONTROL] | m_keys[VK_RCONTROL]) & 0x80) == 0) {
m_keys[VK_CONTROL] &= ~0x80;
}
break;
case VK_LMENU:
case VK_RMENU:
case VK_MENU:
m_keys[vkCode] &= ~0x80;
if (((m_keys[VK_LMENU] | m_keys[VK_RMENU]) & 0x80) == 0) {
m_keys[VK_MENU] &= ~0x80;
}
break;
case VK_CAPITAL:
case VK_NUMLOCK:
case VK_SCROLL:
// toggle keys
m_keys[vkCode] &= ~0x80;
m_keys[vkCode] ^= 0x01;
break;
default:
case VK_LWIN:
case VK_RWIN:
case VK_APPS:
m_keys[vkCode] &= ~0x80;
break;
}
}
}