mirror of
https://github.com/debauchee/barrier.git
synced 2026-05-07 22:23:12 +08:00
refactoring. refactored stuff in client (with changes to server
as necessary).
This commit is contained in:
crs
@@ -50,53 +50,60 @@ CMSWindowsSecondaryScreen::~CMSWindowsSecondaryScreen()
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void
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CMSWindowsSecondaryScreen::run()
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{
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assert(m_window != NULL);
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// must call run() from same thread as open()
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assert(m_threadID == GetCurrentThreadId());
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// change our priority
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CThread::getCurrentThread().setPriority(-7);
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// poll input desktop to see if it changes (onPreTranslate()
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// handles WM_TIMER)
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UINT timer = 0;
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if (!m_is95Family) {
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SetTimer(NULL, 0, 200, NULL);
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}
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// run event loop
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log((CLOG_INFO "entering event loop"));
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doRun();
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log((CLOG_INFO "exiting event loop"));
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// remove timer
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if (!m_is95Family) {
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KillTimer(NULL, timer);
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try {
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log((CLOG_INFO "entering event loop"));
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mainLoop();
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log((CLOG_INFO "exiting event loop"));
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}
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catch (...) {
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log((CLOG_INFO "exiting event loop"));
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throw;
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}
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}
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void
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CMSWindowsSecondaryScreen::stop()
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{
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doStop();
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exitMainLoop();
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}
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void
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CMSWindowsSecondaryScreen::open()
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{
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// open the display
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openDisplay();
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assert(m_window == NULL);
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// update key state
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updateKeys();
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updateModifiers();
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try {
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// open the display
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openDisplay();
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// assume primary has all clipboards
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for (ClipboardID id = 0; id < kClipboardEnd; ++id) {
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grabClipboard(id);
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// create and prepare our window
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createWindow();
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// initialize the clipboards; assume primary has all clipboards
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for (ClipboardID id = 0; id < kClipboardEnd; ++id) {
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grabClipboard(id);
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}
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// get keyboard state
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updateKeys();
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updateModifiers();
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// disable the screen saver
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installScreenSaver();
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}
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catch (...) {
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close();
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throw;
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}
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// disable the screen saver
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getScreenSaver()->disable();
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// hide the cursor
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m_active = true;
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@@ -106,13 +113,8 @@ CMSWindowsSecondaryScreen::open()
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void
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CMSWindowsSecondaryScreen::close()
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{
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// release keys that are logically pressed
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releaseKeys();
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// restore the screen saver settings
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getScreenSaver()->enable();
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// close the display
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uninstallScreenSaver();
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destroyWindow();
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closeDisplay();
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}
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@@ -145,8 +147,11 @@ CMSWindowsSecondaryScreen::enter(SInt32 x, SInt32 y, KeyModifierMask mask)
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toggleKey(VK_SCROLL, KeyModifierScrollLock);
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}
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// warp to requested location
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warpCursor(x, y);
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// show mouse
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onEnter(x, y);
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hideWindow();
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}
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void
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@@ -161,30 +166,13 @@ CMSWindowsSecondaryScreen::leave()
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syncDesktop();
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// hide mouse
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onLeave();
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showWindow();
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// not active anymore
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m_active = false;
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// if we think we own the clipboard but we don't then somebody
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// grabbed the clipboard on this screen without us knowing.
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// tell the server that this screen grabbed the clipboard.
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//
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// this works around bugs in the clipboard viewer chain.
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// sometimes NT will simply never send WM_DRAWCLIPBOARD
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// messages for no apparent reason and rebooting fixes the
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// problem. since we don't want a broken clipboard until the
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// next reboot we do this double check. clipboard ownership
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// won't be reflected on other screens until we leave but at
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// least the clipboard itself will work.
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HWND clipboardOwner = GetClipboardOwner();
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if (m_clipboardOwner != clipboardOwner) {
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m_clipboardOwner = clipboardOwner;
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if (m_clipboardOwner != m_window) {
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m_receiver->onGrabClipboard(kClipboardClipboard);
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m_receiver->onGrabClipboard(kClipboardSelection);
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}
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}
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// make sure our idea of clipboard ownership is correct
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checkClipboard();
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}
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void
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@@ -402,15 +390,7 @@ CMSWindowsSecondaryScreen::getMousePos(SInt32& x, SInt32& y) const
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assert(m_window != NULL);
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syncDesktop();
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POINT pos;
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if (GetCursorPos(&pos)) {
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x = pos.x;
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y = pos.y;
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}
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else {
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x = 0;
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y = 0;
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}
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getCursorPos(x, y);
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}
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void
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@@ -437,52 +417,18 @@ CMSWindowsSecondaryScreen::getClipboard(ClipboardID /*id*/,
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CClipboard::copy(dst, &src);
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}
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void
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CMSWindowsSecondaryScreen::onOpenDisplay()
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{
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assert(m_window == NULL);
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// note if using multiple monitors
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m_multimon = isMultimon();
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// save thread id. we'll need to pass this to the hook library.
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m_threadID = GetCurrentThreadId();
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// get the input desktop and switch to it
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if (m_is95Family) {
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if (!openDesktop()) {
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throw XScreenOpenFailure();
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}
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}
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else {
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if (!switchDesktop(openInputDesktop())) {
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throw XScreenOpenFailure();
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}
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}
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}
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void
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CMSWindowsSecondaryScreen::onCloseDisplay()
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{
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// disconnect from desktop
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if (m_is95Family) {
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closeDesktop();
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}
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else {
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switchDesktop(NULL);
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}
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// clear thread id
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m_threadID = 0;
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assert(m_window == NULL);
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assert(m_desk == NULL);
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}
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bool
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CMSWindowsSecondaryScreen::onPreTranslate(MSG* msg)
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CMSWindowsSecondaryScreen::onPreDispatch(const CEvent* event)
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{
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assert(event != NULL);
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// forward to superclass
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if (CMSWindowsScreen::onPreDispatch(event)) {
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return true;
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}
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// handle event
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const MSG* msg = &event->m_msg;
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switch (msg->message) {
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case WM_TIMER:
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// if current desktop is not the input desktop then switch to it
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@@ -503,32 +449,35 @@ CMSWindowsSecondaryScreen::onPreTranslate(MSG* msg)
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return false;
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}
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LRESULT
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CMSWindowsSecondaryScreen::onEvent(HWND hwnd, UINT msg,
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WPARAM wParam, LPARAM lParam)
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bool
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CMSWindowsSecondaryScreen::onEvent(CEvent* event)
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{
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switch (msg) {
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assert(event != NULL);
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const MSG& msg = event->msg;
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switch (msg.message) {
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case WM_QUERYENDSESSION:
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if (m_is95Family) {
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return TRUE;
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event->m_result = TRUE;
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return true;
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}
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break;
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case WM_ENDSESSION:
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if (m_is95Family) {
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if (wParam == TRUE && lParam == 0) {
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if (msg.wParam == TRUE && msg.lParam == 0) {
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stop();
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}
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return 0;
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return true;
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}
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break;
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case WM_PAINT:
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ValidateRect(hwnd, NULL);
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return 0;
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ValidateRect(msg.hwnd, NULL);
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return true;
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case WM_ACTIVATEAPP:
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if (wParam == FALSE) {
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if (msg.wParam == FALSE) {
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// some other app activated. hide the hider window.
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ShowWindow(m_window, SW_HIDE);
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}
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@@ -538,67 +487,265 @@ CMSWindowsSecondaryScreen::onEvent(HWND hwnd, UINT msg,
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log((CLOG_DEBUG "clipboard was taken"));
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// first pass it on
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SendMessage(m_nextClipboardWindow, msg, wParam, lParam);
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if (m_nextClipboardWindow != NULL) {
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SendMessage(m_nextClipboardWindow,
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msg.message, msg.wParam, msg.lParam);
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}
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// now notify client that somebody changed the clipboard (unless
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// we're now the owner, in which case it's because we took
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// ownership, or now it's owned by nobody, which will happen if
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// we owned it and switched desktops because we destroy our
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// window to do that).
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m_clipboardOwner = GetClipboardOwner();
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if (m_clipboardOwner != m_window && m_clipboardOwner != NULL) {
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m_receiver->onGrabClipboard(kClipboardClipboard);
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m_receiver->onGrabClipboard(kClipboardSelection);
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try {
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m_clipboardOwner = GetClipboardOwner();
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if (m_clipboardOwner != m_window && m_clipboardOwner != NULL) {
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m_receiver->onGrabClipboard(kClipboardClipboard);
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m_receiver->onGrabClipboard(kClipboardSelection);
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}
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}
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return 0;
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catch (XBadClient&) {
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// ignore. this can happen if we receive this event
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// before we've fully started up.
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}
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return true;
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case WM_CHANGECBCHAIN:
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if (m_nextClipboardWindow == (HWND)wParam) {
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m_nextClipboardWindow = (HWND)lParam;
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if (m_nextClipboardWindow == (HWND)msg.wParam) {
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m_nextClipboardWindow = (HWND)msg.lParam;
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}
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else {
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SendMessage(m_nextClipboardWindow, msg, wParam, lParam);
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else if (m_nextClipboardWindow != NULL) {
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SendMessage(m_nextClipboardWindow,
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msg.message, msg.wParam, msg.lParam);
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}
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return 0;
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return true;
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case WM_DISPLAYCHANGE:
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// screen resolution has changed
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updateScreenShape();
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m_multimon = isMultimon();
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{
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// screen resolution may have changed. get old shape.
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SInt32 xOld, yOld, wOld, hOld;
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getScreenShape(xOld, yOld, wOld, hOld);
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// send new info
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CClientInfo info;
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getShape(info.m_x, info.m_y, info.m_w, info.m_h);
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getMousePos(info.m_mx, info.m_my);
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info.m_zoneSize = getJumpZoneSize();
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m_receiver->onInfoChanged(info);
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return 0;
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// update shape
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updateScreenShape();
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m_multimon = isMultimon();
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// collect new screen info
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CClientInfo info;
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getScreenShape(info.m_x, info.m_y, info.m_w, info.m_h);
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getCursorPos(info.m_mx, info.m_my);
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info.m_zoneSize = getJumpZoneSize();
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// do nothing if resolution hasn't changed
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if (info.m_x != xOld || info.m_y != yOld ||
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info.m_w != wOld || info.m_h != hOld) {
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// send new screen info
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m_receiver->onInfoChanged(info);
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}
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return true;
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}
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}
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return DefWindowProc(hwnd, msg, wParam, lParam);
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return false;
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}
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CString
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CMSWindowsSecondaryScreen::getCurrentDesktopName() const
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{
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return m_deskName;
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}
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void
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CMSWindowsSecondaryScreen::onEnter(SInt32 x, SInt32 y)
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CMSWindowsSecondaryScreen::showWindow()
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{
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// warp to requested location
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warpCursor(x, y);
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// move hider window under the mouse (rather than moving the mouse
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// somewhere else on the screen)
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SInt32 x, y;
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getCursorPos(x, y);
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MoveWindow(m_window, x, y, 1, 1, FALSE);
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// show cursor
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// raise and show the hider window. take activation.
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ShowWindow(m_window, SW_SHOWNORMAL);
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}
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void
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CMSWindowsSecondaryScreen::hideWindow()
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{
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ShowWindow(m_window, SW_HIDE);
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}
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void
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CMSWindowsSecondaryScreen::onLeave()
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CMSWindowsSecondaryScreen::warpCursor(SInt32 x, SInt32 y)
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{
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// move hider window under the mouse (rather than moving the mouse
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// somewhere else on the screen)
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POINT point;
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GetCursorPos(&point);
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MoveWindow(m_window, point.x, point.y, 1, 1, FALSE);
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// move the mouse directly to target position on NT family or if
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// not using multiple monitors.
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if (!m_multimon || !m_is95Family) {
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SInt32 x0, y0, w, h;
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getScreenShape(x0, y0, w, h);
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mouse_event(MOUSEEVENTF_MOVE | MOUSEEVENTF_ABSOLUTE,
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(DWORD)((65535.99 * (x - x0)) / (w - 1)),
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(DWORD)((65535.99 * (y - y0)) / (h - 1)),
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0, 0);
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}
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// raise and show the hider window. take activation.
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ShowWindow(m_window, SW_SHOWNORMAL);
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// windows 98 (and Me?) is broken. you cannot set the absolute
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// position of the mouse except on the primary monitor but you
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// can do relative moves onto any monitor. this is, in microsoft's
|
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// words, "by design." apparently the designers of windows 2000
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// we're a little less lazy and did it right.
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//
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// we use the microsoft recommendation (Q193003): set the absolute
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// position on the primary monitor, disable mouse acceleration,
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// relative move the mouse to the final location, restore mouse
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// acceleration. to avoid one kind of race condition (the user
|
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// clicking the mouse or pressing a key between the absolute and
|
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// relative move) we'll use SendInput() which guarantees that the
|
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// events are delivered uninterrupted. we cannot prevent changes
|
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// to the mouse acceleration at inopportune times, though.
|
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//
|
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// point-to-activate (x-mouse) doesn't seem to be bothered by the
|
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// absolute/relative combination. a window over the absolute
|
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// position (0,0) does *not* get activated (at least not on win2k)
|
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// if the relative move puts the cursor elsewhere. similarly, the
|
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// app under the final mouse position does *not* get deactivated
|
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// by the absolute move to 0,0.
|
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else {
|
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// save mouse speed & acceleration
|
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int oldSpeed[4];
|
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bool accelChanged =
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SystemParametersInfo(SPI_GETMOUSE,0, oldSpeed,0) &&
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SystemParametersInfo(SPI_GETMOUSESPEED, 0, oldSpeed + 3, 0);
|
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// use 1:1 motion
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if (accelChanged) {
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int newSpeed[4] = { 0, 0, 0, 1 };
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accelChanged =
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SystemParametersInfo(SPI_SETMOUSE, 0, newSpeed, 0) ||
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SystemParametersInfo(SPI_SETMOUSESPEED, 0, newSpeed + 3, 0);
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}
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|
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// send events
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INPUT events[2];
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events[0].type = INPUT_MOUSE;
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events[0].mi.dx = 0;
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events[0].mi.dy = 0;
|
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events[0].mi.mouseData = 0;
|
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events[0].mi.dwFlags = MOUSEEVENTF_ABSOLUTE | MOUSEEVENTF_MOVE;
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events[0].mi.time = GetTickCount();
|
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events[0].mi.dwExtraInfo = 0;
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events[1].type = INPUT_MOUSE;
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events[1].mi.dx = x;
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events[1].mi.dy = y;
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events[1].mi.mouseData = 0;
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events[1].mi.dwFlags = MOUSEEVENTF_MOVE;
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events[1].mi.time = events[0].mi.time;
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events[1].mi.dwExtraInfo = 0;
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SendInput(sizeof(events) / sizeof(events[0]),
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events, sizeof(events[0]));
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// restore mouse speed & acceleration
|
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if (accelChanged) {
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SystemParametersInfo(SPI_SETMOUSE, 0, oldSpeed, 0);
|
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SystemParametersInfo(SPI_SETMOUSESPEED, 0, oldSpeed + 3, 0);
|
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}
|
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}
|
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}
|
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|
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void
|
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CMSWindowsSecondaryScreen::checkClipboard()
|
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{
|
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// if we think we own the clipboard but we don't then somebody
|
||||
// grabbed the clipboard on this screen without us knowing.
|
||||
// tell the server that this screen grabbed the clipboard.
|
||||
//
|
||||
// this works around bugs in the clipboard viewer chain.
|
||||
// sometimes NT will simply never send WM_DRAWCLIPBOARD
|
||||
// messages for no apparent reason and rebooting fixes the
|
||||
// problem. since we don't want a broken clipboard until the
|
||||
// next reboot we do this double check. clipboard ownership
|
||||
// won't be reflected on other screens until we leave but at
|
||||
// least the clipboard itself will work.
|
||||
HWND clipboardOwner = GetClipboardOwner();
|
||||
if (m_clipboardOwner != clipboardOwner) {
|
||||
try {
|
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m_clipboardOwner = clipboardOwner;
|
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if (m_clipboardOwner != m_window && m_clipboardOwner != NULL) {
|
||||
m_receiver->onGrabClipboard(kClipboardClipboard);
|
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m_receiver->onGrabClipboard(kClipboardSelection);
|
||||
}
|
||||
}
|
||||
catch (XBadClient&) {
|
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// ignore
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void
|
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CMSWindowsPrimaryScreen::createWindow()
|
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{
|
||||
// save thread id
|
||||
m_threadID = GetCurrentThreadId();
|
||||
|
||||
// note if using multiple monitors
|
||||
m_multimon = isMultimon();
|
||||
|
||||
// get the input desktop and switch to it
|
||||
if (m_is95Family) {
|
||||
if (!openDesktop()) {
|
||||
throw XScreenOpenFailure();
|
||||
}
|
||||
}
|
||||
else {
|
||||
if (!switchDesktop(openInputDesktop())) {
|
||||
throw XScreenOpenFailure();
|
||||
}
|
||||
}
|
||||
|
||||
// poll input desktop to see if it changes (onPreDispatch()
|
||||
// handles WM_TIMER)
|
||||
m_timer = 0;
|
||||
if (!m_is95Family) {
|
||||
m_timer = SetTimer(NULL, 0, 200, NULL);
|
||||
}
|
||||
}
|
||||
|
||||
void
|
||||
CMSWindowsPrimaryScreen::destroyWindow()
|
||||
{
|
||||
// remove timer
|
||||
if (m_timer != 0) {
|
||||
KillTimer(NULL, m_timer);
|
||||
}
|
||||
|
||||
// release keys that are logically pressed
|
||||
releaseKeys();
|
||||
|
||||
// disconnect from desktop
|
||||
if (m_is95Family) {
|
||||
closeDesktop();
|
||||
}
|
||||
else {
|
||||
switchDesktop(NULL);
|
||||
}
|
||||
|
||||
// clear thread id
|
||||
m_threadID = 0;
|
||||
|
||||
assert(m_window == NULL);
|
||||
assert(m_desk == NULL);
|
||||
}
|
||||
|
||||
void
|
||||
CMSWindowsSecondaryScreen::installScreenSaver()
|
||||
{
|
||||
getScreenSaver()->disable();
|
||||
}
|
||||
|
||||
void
|
||||
CMSWindowsSecondaryScreen::uninstallScreenSaver()
|
||||
{
|
||||
getScreenSaver()->enable();
|
||||
}
|
||||
|
||||
bool
|
||||
@@ -720,7 +867,7 @@ CMSWindowsSecondaryScreen::switchDesktop(HDESK desk)
|
||||
|
||||
// get desktop up to date
|
||||
if (!m_active) {
|
||||
onLeave();
|
||||
showWindow();
|
||||
}
|
||||
|
||||
return true;
|
||||
@@ -750,89 +897,6 @@ CMSWindowsSecondaryScreen::syncDesktop() const
|
||||
}
|
||||
}
|
||||
|
||||
CString
|
||||
CMSWindowsSecondaryScreen::getCurrentDesktopName() const
|
||||
{
|
||||
return m_deskName;
|
||||
}
|
||||
|
||||
void
|
||||
CMSWindowsSecondaryScreen::warpCursor(SInt32 x, SInt32 y)
|
||||
{
|
||||
// move the mouse directly to target position on NT family or if
|
||||
// not using multiple monitors.
|
||||
if (!m_multimon || !m_is95Family) {
|
||||
SInt32 x0, y0, w, h;
|
||||
getScreenShape(x0, y0, w, h);
|
||||
mouse_event(MOUSEEVENTF_MOVE | MOUSEEVENTF_ABSOLUTE,
|
||||
(DWORD)((65535.99 * (x - x0)) / (w - 1)),
|
||||
(DWORD)((65535.99 * (y - y0)) / (h - 1)),
|
||||
0, 0);
|
||||
}
|
||||
|
||||
// windows 98 (and Me?) is broken. you cannot set the absolute
|
||||
// position of the mouse except on the primary monitor but you
|
||||
// can do relative moves onto any monitor. this is, in microsoft's
|
||||
// words, "by design." apparently the designers of windows 2000
|
||||
// we're a little less lazy and did it right.
|
||||
//
|
||||
// we use the microsoft recommendation (Q193003): set the absolute
|
||||
// position on the primary monitor, disable mouse acceleration,
|
||||
// relative move the mouse to the final location, restore mouse
|
||||
// acceleration. to avoid one kind of race condition (the user
|
||||
// clicking the mouse or pressing a key between the absolute and
|
||||
// relative move) we'll use SendInput() which guarantees that the
|
||||
// events are delivered uninterrupted. we cannot prevent changes
|
||||
// to the mouse acceleration at inopportune times, though.
|
||||
//
|
||||
// point-to-activate (x-mouse) doesn't seem to be bothered by the
|
||||
// absolute/relative combination. a window over the absolute
|
||||
// position (0,0) does *not* get activated (at least not on win2k)
|
||||
// if the relative move puts the cursor elsewhere. similarly, the
|
||||
// app under the final mouse position does *not* get deactivated
|
||||
// by the absolute move to 0,0.
|
||||
else {
|
||||
// save mouse speed & acceleration
|
||||
int oldSpeed[4];
|
||||
bool accelChanged =
|
||||
SystemParametersInfo(SPI_GETMOUSE,0, oldSpeed,0) &&
|
||||
SystemParametersInfo(SPI_GETMOUSESPEED, 0, oldSpeed + 3, 0);
|
||||
|
||||
// use 1:1 motion
|
||||
if (accelChanged) {
|
||||
int newSpeed[4] = { 0, 0, 0, 1 };
|
||||
accelChanged =
|
||||
SystemParametersInfo(SPI_SETMOUSE, 0, newSpeed, 0) ||
|
||||
SystemParametersInfo(SPI_SETMOUSESPEED, 0, newSpeed + 3, 0);
|
||||
}
|
||||
|
||||
// send events
|
||||
INPUT events[2];
|
||||
events[0].type = INPUT_MOUSE;
|
||||
events[0].mi.dx = 0;
|
||||
events[0].mi.dy = 0;
|
||||
events[0].mi.mouseData = 0;
|
||||
events[0].mi.dwFlags = MOUSEEVENTF_ABSOLUTE | MOUSEEVENTF_MOVE;
|
||||
events[0].mi.time = GetTickCount();
|
||||
events[0].mi.dwExtraInfo = 0;
|
||||
events[1].type = INPUT_MOUSE;
|
||||
events[1].mi.dx = x;
|
||||
events[1].mi.dy = y;
|
||||
events[1].mi.mouseData = 0;
|
||||
events[1].mi.dwFlags = MOUSEEVENTF_MOVE;
|
||||
events[1].mi.time = events[0].mi.time;
|
||||
events[1].mi.dwExtraInfo = 0;
|
||||
SendInput(sizeof(events) / sizeof(events[0]),
|
||||
events, sizeof(events[0]));
|
||||
|
||||
// restore mouse speed & acceleration
|
||||
if (accelChanged) {
|
||||
SystemParametersInfo(SPI_SETMOUSE, 0, oldSpeed, 0);
|
||||
SystemParametersInfo(SPI_SETMOUSESPEED, 0, oldSpeed + 3, 0);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
bool
|
||||
CMSWindowsSecondaryScreen::isMultimon() const
|
||||
{
|
||||
|
||||
Reference in New Issue
Block a user