void
CSecondaryScreen::enter(SInt32 x, SInt32 y, KeyModifierMask mask)
{
CLock lock(&m_mutex);
assert(m_active == false);
LOG((CLOG_INFO "entering screen at %d,%d mask=%04x", x, y, mask));
getScreen()->syncDesktop();
// now active
m_active = true;
// subclass hook
onPreEnter();
// update our keyboard state to reflect the local state
updateKeys();
// remember toggle key state
m_toggleKeys = getToggleState();
// toggle modifiers that don't match the desired state
setToggleState(mask);
// warp to requested location
warpCursor(x, y);
// show mouse
hideWindow();
// subclass hook
onPostEnter();
}
bool
COSXScreen::onMouseMove(SInt32 mx, SInt32 my)
{
LOG((CLOG_DEBUG2 "mouse move %+d,%+d", mx, my));
SInt32 x = mx - m_xCursor;
SInt32 y = my - m_yCursor;
if ((x == 0 && y == 0) || (mx == m_xCenter && mx == m_yCenter)) {
return true;
}
// save position to compute delta of next motion
m_xCursor = mx;
m_yCursor = my;
if (m_isOnScreen) {
// motion on primary screen
sendEvent(m_events->forIPrimaryScreen().motionOnPrimary(),
CMotionInfo::alloc(m_xCursor, m_yCursor));
}
else {
// motion on secondary screen. warp mouse back to
// center.
warpCursor(m_xCenter, m_yCenter);
// examine the motion. if it's about the distance
// from the center of the screen to an edge then
// it's probably a bogus motion that we want to
// ignore (see warpCursorNoFlush() for a further
// description).
static SInt32 bogusZoneSize = 10;
if (-x + bogusZoneSize > m_xCenter - m_x ||
x + bogusZoneSize > m_x + m_w - m_xCenter ||
-y + bogusZoneSize > m_yCenter - m_y ||
y + bogusZoneSize > m_y + m_h - m_yCenter) {
LOG((CLOG_DEBUG "dropped bogus motion %+d,%+d", x, y));
}
else {
// send motion
sendEvent(m_events->forIPrimaryScreen().motionOnSecondary(), CMotionInfo::alloc(x, y));
}
}
return true;
}
bool
COSXScreen::leave()
{
if (m_isPrimary) {
// warp to center
warpCursor(m_xCenter, m_yCenter);
// capture events
HideWindow(m_hiddenWindow);
ShowWindow(m_userInputWindow);
RepositionWindow(m_userInputWindow,
m_userInputWindow, kWindowCenterOnMainScreen);
SetUserFocusWindow(m_userInputWindow);
// The OS will coalesce some events if they are similar enough in a
// short period of time this is bad for us since we need every event
// to send it over to other machines. So disable it.
SetMouseCoalescingEnabled(false, NULL);
CGSetLocalEventsSuppressionInterval(0.0001);
// disable global hotkeys
//setGlobalHotKeysEnabled(false);
}
else {
// hide cursor
if (!m_cursorHidden) {
// CGDisplayHideCursor(m_displayID);
m_cursorHidden = true;
}
// warp the mouse to the cursor center
fakeMouseMove(m_xCenter, m_yCenter);
// FIXME -- prepare to show cursor if it moves
// take keyboard focus
// FIXME
}
// now off screen
m_isOnScreen = false;
return true;
}
bool
COSXScreen::onDisplayChange()
{
// screen resolution may have changed. save old shape.
SInt32 xOld = m_x, yOld = m_y, wOld = m_w, hOld = m_h;
// update shape
updateScreenShape();
// do nothing if resolution hasn't changed
if (xOld != m_x || yOld != m_y || wOld != m_w || hOld != m_h) {
if (m_isPrimary) {
// warp mouse to center if off screen
if (!m_isOnScreen) {
warpCursor(m_xCenter, m_yCenter);
}
}
// send new screen info
sendEvent(m_events->forIPrimaryScreen().shapeChanged());
}
return true;
}
bool
COSXScreen::leave()
{
// hide cursor
if (!m_cursorHidden) {
hideCursor();
m_cursorHidden = true;
}
if (m_isPrimary) {
// warp to center
warpCursor(m_xCenter, m_yCenter);
// This used to be necessary to get smooth mouse motion on other screens,
// but now is just to avoid a hesitating cursor when transitioning to
// the primary (this) screen.
CGSetLocalEventsSuppressionInterval(0.0001);
// disable global hotkeys
//setGlobalHotKeysEnabled(false);
}
else {
// warp the mouse to the cursor center
fakeMouseMove(m_xCenter, m_yCenter);
// FIXME -- prepare to show cursor if it moves
// take keyboard focus
// FIXME
}
// now off screen
m_isOnScreen = false;
return true;
}
void
CXWindowsPrimaryScreen::warpCursorToCenter()
{
warpCursor(m_xCenter, m_yCenter);
}
