Changeset 2763 for trunk/synergy/lib/platform/CPMScreen.cpp

Timestamp:

Aug 13, 2006, 12:50:25 PM (19 years ago)

Author:

bird

Message:

Grr. HK_MSGINPUT / PM sucks. Got mouse working, but the hook code contains seriously bad hacks.

File:

• trunk/synergy/lib/platform/CPMScreen.cpp (modified) (9 diffs)

trunk/synergy/lib/platform/CPMScreen.cpp

@@ -71 +71 @@
         assert(s_screen == NULL);
         s_screen = this;
+    LOG((CLOG_DEBUG1 "CPMScreen: isPrimary=%d", isPrimary));
     
     // create the event queue buffer first so we know there is a message queue.
@@ -93 +94 @@
 
         try {
-                if (m_isPrimary)
-                        m_hmodHook = openHookLibrary("synrgyhk");
+                m_hmodHook = openHookLibrary("synrgyhk");
                 m_screensaver = new CPMScreenSaver();
                 m_keyState    = new CPMKeyState(getEventTarget());
@@ -528 +528 @@
 }
 
+/**
+ * Injects a fake input message.
+ *
+ * @param   msg     The message id.
+ * @param   mp1     Message param 1.
+ * @param   mp1     Message param 2.
+ */
+void 
+CPMScreen::fakeMessage(ULONG msg, MPARAM mp1, MPARAM mp2) const
+{
+    QMSG qmsg;
+    qmsg.hwnd = NULLHANDLE;
+    qmsg.msg = msg;
+    qmsg.mp1 = mp1;
+    qmsg.mp2 = mp2;
+    qmsg.time = WinGetCurrentTime(m_hab);
+    qmsg.ptl.x = 0;     ///@todo check the qmsg.ptl.
+    qmsg.ptl.y = 0;
+    qmsg.reserved = 0;
+LOG((CLOG_DEBUG "fakeMessage: msg=%#lx mp1=%#lx mp2=%#lx...", msg, mp1, mp2));
+    const char *pszError = m_fakeMsg(m_hab, &qmsg);
+    if (pszError) {
+        LOG((CLOG_CRIT "fakeMessage: msg=%#lx mp1=%#lx mp2=%#lx failed: %s", msg, mp1, mp2, pszError));
+    }
+else LOG((CLOG_DEBUG "fakeMessage: done"));
+}
+
+/**
+ * Injects a fake input message generating mp2.
+ * @param   msg     The message id.
+ * @param   mp1     The mouse coordinates.
+ */
+void
+CPMScreen::fakeMouseMessage(ULONG msg, MPARAM mp1) const
+{
+    /* hittest stuff is taken care off.. dunno about KC_*. */
+    fakeMessage(msg, mp1, 0);
+}
+
 void
 CPMScreen::fakeMouseButton(ButtonID id, bool press) const
 {
-        //m_desks->fakeMouseButton(id, press);
+    // determin the message.
+    ULONG msg;
+    switch (id) {
+        case kButtonLeft:
+            msg = press ? WM_BUTTON1DOWN : WM_BUTTON1UP;
+            break;
+        case kButtonRight:
+            msg = press ? WM_BUTTON2DOWN : WM_BUTTON2UP;
+            break;
+        case kButtonMiddle:
+            msg = press ? WM_BUTTON3DOWN : WM_BUTTON3UP;
+            break;
+        default:
+            return;
+    }
+
+    // mp1
+    POINTL ptl;
+    if (!WinQueryPointerPos(HWND_DESKTOP, &ptl)) {
+        LOG((CLOG_CRIT "fakeMouseButton: failed %#lx", WinGetLastError(CPMUtil::getHAB())));
+        ptl.x = m_xCenter;
+        ptl.y = m_yCenter;
+    }
+
+    // forge the message.
+    fakeMouseMessage(msg, MPFROM2SHORT(ptl.x, ptl.y));
 }
 
@@ -539 +603 @@
     LOG((CLOG_DEBUG "fakeMouseMove: %d,%d (y=%d)", x, m_cy - y, y));
     if (WinSetPointerPos(HWND_DESKTOP, x, m_cy - y)) {
+        // check x limits
+        if (x > 0x7fff) x = 0x7fff;
+        else if (x < -0x8000) x = -0x8000;
+
+        // wrap y and check the limits.
+        y = m_cy - y;
+        if (y > 0x7fff) y = 0x7fff;
+        else if (y < -0x8000) y = -0x8000;
+
+        // forge the message.
+        fakeMouseMessage(WM_MOUSEMOVE, MPFROM2SHORT(x, y));
         return;
     }
@@ -550 +625 @@
     if (WinQueryPointerPos(HWND_DESKTOP, &ptl)) {
         LOG((CLOG_DEBUG "fakeMouseRelativeMove: %d,%d (%d,%d +/- %d,%d)", ptl.x + dx, ptl.y - dy, ptl.y, ptl.x, dx, dy));
-        if (WinSetPointerPos(HWND_DESKTOP, ptl.x + dx, ptl.y - dy)) {
-            return;
+        fakeMouseMove(ptl.x + dx, ptl.y - dy - m_cy);
+        return;
+    }
+    LOG((CLOG_CRIT "fakeMouseRelativeMove: failed %#lx", WinGetLastError(CPMUtil::getHAB())));
+}
+
+void
+CPMScreen::fakeMouseWheel(SInt32 xDelta, SInt32 yDelta) const
+{   
+#if 0 /** @todo send scroll messages the the window beneath the cursor. */
+    POINTL ptl;
+    if (WinQueryPointerPos(HWND_DESKTOP, &ptl)) {
+    }
+#else
+    /* dead simple arrow movement. */
+    yDelta /= 30;
+    while (yDelta != 0) {
+        if (yDelta < 0) {
+            yDelta++;
+            fakeMessage(WM_CHAR, MPFROMSH2CH(KC_VIRTUALKEY | KC_SCANCODE, 1, 0x66), MPFROM2SHORT(0x50e0, VK_DOWN));
+            fakeMessage(WM_CHAR, MPFROMSH2CH(KC_VIRTUALKEY | KC_SCANCODE | KC_KEYUP | KC_LONEKEY | KC_TOGGLE, 1, 0x66), MPFROM2SHORT(0x50e0, VK_DOWN));
+        } else {
+            yDelta--;
+            fakeMessage(WM_CHAR, MPFROMSH2CH(KC_VIRTUALKEY | KC_SCANCODE, 1, 0x61), MPFROM2SHORT(0x48e0, VK_UP));
+            fakeMessage(WM_CHAR, MPFROMSH2CH(KC_VIRTUALKEY | KC_SCANCODE | KC_KEYUP | KC_LONEKEY | KC_TOGGLE, 1, 0x61), MPFROM2SHORT(0x48e0, VK_UP));
         }
     }
-    LOG((CLOG_CRIT "fakeMouseRelativeMove: failed %#lx", WinGetLastError(CPMUtil::getHAB())));
-}
-
-void
-CPMScreen::fakeMouseWheel(SInt32 xDelta, SInt32 yDelta) const
-{
-        //m_desks->fakeMouseWheel(xDelta, yDelta);
+#endif 
 }
 
@@ -602 +694 @@
 CPMScreen::openHookLibrary(const char* name)
 {
-        // load the hook library
-        HMODULE hmod;
-        APIRET rc = DosLoadModule(NULL, 0, (PCSZ)name, &hmod);
+        // load the hook library - try with qualified name first.
+        HMODULE hmod = NULLHANDLE;
+    APIRET rc = ERROR_FILE_NOT_FOUND;
+    char szFullName[CCHMAXPATH + 10];
+    if (!_execname(szFullName, CCHMAXPATH)) {
+        char *psz = strrchr(szFullName, '\\');
+        if (!psz || strrchr(psz, '/')) {
+            psz = strrchr(psz, '/');
+        }
+        if (psz) {
+            strcat(strcpy(psz + 1, name), ".DLL");
+        }
+            rc = DosLoadModule(NULL, 0, (PCSZ)szFullName, &hmod);
+    }
+
+    // if that failed, try with the bare name.
+    if (rc != NO_ERROR) {
+            rc = DosLoadModule(NULL, 0, (PCSZ)name, &hmod);
+    } else {
+        name = szFullName;
+    }
         if (rc != NO_ERROR) {
                 LOG((CLOG_ERR "Failed to load hook library (%s), rc=%d ", name, rc));
@@ -611 +721 @@
 
         // look up functions
-        if (    (rc = DosQueryProcAddr(hmod, 0, (PCSZ)"_setSides",      (PPFN)&m_setSides)) != NO_ERROR
+        if (    (rc = DosQueryProcAddr(hmod, 0, (PCSZ)"_fakeMsg",       (PPFN)&m_fakeMsg )) != NO_ERROR
+        ||      (rc = DosQueryProcAddr(hmod, 0, (PCSZ)"_setSides",      (PPFN)&m_setSides)) != NO_ERROR
                 ||      (rc = DosQueryProcAddr(hmod, 0, (PCSZ)"_setZone",       (PPFN)&m_setZone )) != NO_ERROR
                 ||      (rc = DosQueryProcAddr(hmod, 0, (PCSZ)"_setMode",       (PPFN)&m_setMode )) != NO_ERROR
@@ -627 +738 @@
                 throw XScreenOpenFailure();
         }
+    LOG((CLOG_DEBUG1 "openHookLibrary: hmod=%#lx '%s'", hmod, name));
         return hmod;
 }
@@ -633 +745 @@
 CPMScreen::closeHookLibrary(HMODULE hmod) const
 {
+    LOG((CLOG_DEBUG1 "closeHookLibrary: hmod=%#lx\n", hmod));
         if (hmod != NULL) {
                 m_cleanup(m_hab);