Migrating to new directory structure adopted from the RealVNC's source tree. More changes will follow.
git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@591 3789f03b-4d11-0410-bbf8-ca57d06f2519
diff --git a/win/rfb_win32/SInput.cxx b/win/rfb_win32/SInput.cxx
new file mode 100644
index 0000000..db59287
--- /dev/null
+++ b/win/rfb_win32/SInput.cxx
@@ -0,0 +1,466 @@
+/* Copyright (C) 2002-2005 RealVNC Ltd. All Rights Reserved.
+ *
+ * This 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 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This software 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 software; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+ * USA.
+ */
+
+// -=- SInput.cxx
+//
+// A number of routines that accept VNC input event data and perform
+// the appropriate actions under Win32
+
+#define XK_MISCELLANY
+#define XK_LATIN1
+#define XK_CURRENCY
+#include <rfb/keysymdef.h>
+
+#include <tchar.h>
+#include <rfb_win32/SInput.h>
+#include <rfb_win32/MonitorInfo.h>
+#include <rfb_win32/Service.h>
+#include <rfb_win32/OSVersion.h>
+#include <rfb_win32/DynamicFn.h>
+#include <rfb_win32/keymap.h>
+#include <rdr/Exception.h>
+#include <rfb/LogWriter.h>
+
+#if(defined(INPUT_MOUSE) && defined(RFB_HAVE_MONITORINFO))
+#define RFB_HAVE_SENDINPUT
+#else
+#pragma message(" NOTE: Not building SendInput support.")
+#endif
+
+using namespace rfb;
+
+static LogWriter vlog("SInput");
+
+#ifdef RFB_HAVE_SENDINPUT
+typedef UINT (WINAPI *_SendInput_proto)(UINT, LPINPUT, int);
+static win32::DynamicFn<_SendInput_proto> _SendInput(_T("user32.dll"), "SendInput");
+#endif
+
+//
+// -=- Pointer implementation for Win32
+//
+
+static DWORD buttonDownMapping[8] = {
+ MOUSEEVENTF_LEFTDOWN, MOUSEEVENTF_MIDDLEDOWN, MOUSEEVENTF_RIGHTDOWN,
+ MOUSEEVENTF_WHEEL, MOUSEEVENTF_WHEEL, 0, 0, 0
+};
+
+static DWORD buttonUpMapping[8] = {
+ MOUSEEVENTF_LEFTUP, MOUSEEVENTF_MIDDLEUP, MOUSEEVENTF_RIGHTUP,
+ MOUSEEVENTF_WHEEL, MOUSEEVENTF_WHEEL, 0, 0, 0
+};
+
+static DWORD buttonDataMapping[8] = {
+ 0, 0, 0, 120, -120, 0, 0, 0
+};
+
+win32::SPointer::SPointer()
+ : last_buttonmask(0)
+{
+}
+
+void
+win32::SPointer::pointerEvent(const Point& pos, int buttonmask)
+{
+ // - We are specifying absolute coordinates
+ DWORD flags = MOUSEEVENTF_ABSOLUTE;
+
+ // - Has the pointer moved since the last event?
+ if (!last_position.equals(pos))
+ flags |= MOUSEEVENTF_MOVE;
+
+ // - If the system swaps left and right mouse buttons then we must
+ // swap them here to negate the effect, so that we do the actual
+ // action we mean to do
+ if (::GetSystemMetrics(SM_SWAPBUTTON)) {
+ bool leftDown = buttonmask & 1;
+ bool rightDown = buttonmask & 4;
+ buttonmask = (buttonmask & ~(1 | 4));
+ if (leftDown) buttonmask |= 4;
+ if (rightDown) buttonmask |= 1;
+ }
+
+ DWORD data = 0;
+ for (int i = 0; i < 8; i++) {
+ if ((buttonmask & (1<<i)) != (last_buttonmask & (1<<i))) {
+ if (buttonmask & (1<<i)) {
+ flags |= buttonDownMapping[i];
+ if (buttonDataMapping[i]) {
+ if (data) vlog.info("warning - two buttons set mouse_event data field");
+ data = buttonDataMapping[i];
+ }
+ } else {
+ flags |= buttonUpMapping[i];
+ }
+ }
+ }
+
+ last_position = pos;
+ last_buttonmask = buttonmask;
+
+ Rect primaryDisplay(0,0,GetSystemMetrics(SM_CXSCREEN),GetSystemMetrics(SM_CYSCREEN));
+ if (primaryDisplay.contains(pos)) {
+ // mouse_event wants coordinates specified as a proportion of the
+ // primary display's size, scaled to the range 0 to 65535
+ Point scaled;
+ scaled.x = (pos.x * 65535) / (primaryDisplay.width()-1);
+ scaled.y = (pos.y * 65535) / (primaryDisplay.height()-1);
+ ::mouse_event(flags, scaled.x, scaled.y, data, 0);
+ } else {
+ // The event lies outside the primary monitor. Under Win2K, we can just use
+ // SendInput, which allows us to provide coordinates scaled to the virtual desktop.
+ // SendInput is available on all multi-monitor-aware platforms.
+#ifdef RFB_HAVE_SENDINPUT
+ if (osVersion.isPlatformNT) {
+ if (!_SendInput.isValid())
+ throw rdr::Exception("SendInput not available");
+ INPUT evt;
+ evt.type = INPUT_MOUSE;
+ Point vPos(pos.x-GetSystemMetrics(SM_XVIRTUALSCREEN),
+ pos.y-GetSystemMetrics(SM_YVIRTUALSCREEN));
+ evt.mi.dx = (vPos.x * 65535) / (GetSystemMetrics(SM_CXVIRTUALSCREEN)-1);
+ evt.mi.dy = (vPos.y * 65535) / (GetSystemMetrics(SM_CYVIRTUALSCREEN)-1);
+ evt.mi.dwFlags = flags | MOUSEEVENTF_VIRTUALDESK;
+ evt.mi.dwExtraInfo = 0;
+ evt.mi.mouseData = data;
+ evt.mi.time = 0;
+ if ((*_SendInput)(1, &evt, sizeof(evt)) != 1)
+ throw rdr::SystemException("SendInput", GetLastError());
+ } else {
+ // Under Win9x, this is not addressable by either mouse_event or SendInput
+ // *** STUPID KLUDGY HACK ***
+ POINT cursorPos; GetCursorPos(&cursorPos);
+ ULONG oldSpeed, newSpeed = 10;
+ ULONG mouseInfo[3];
+ if (flags & MOUSEEVENTF_MOVE) {
+ flags &= ~MOUSEEVENTF_ABSOLUTE;
+ SystemParametersInfo(SPI_GETMOUSE, 0, &mouseInfo, 0);
+ SystemParametersInfo(SPI_GETMOUSESPEED, 0, &oldSpeed, 0);
+ vlog.debug("SPI_GETMOUSE %d, %d, %d, speed %d", mouseInfo[0], mouseInfo[1], mouseInfo[2], oldSpeed);
+ ULONG idealMouseInfo[] = {10, 0, 0};
+ SystemParametersInfo(SPI_SETMOUSESPEED, 0, &newSpeed, 0);
+ SystemParametersInfo(SPI_SETMOUSE, 0, &idealMouseInfo, 0);
+ }
+ ::mouse_event(flags, pos.x-cursorPos.x, pos.y-cursorPos.y, data, 0);
+ if (flags & MOUSEEVENTF_MOVE) {
+ SystemParametersInfo(SPI_SETMOUSE, 0, &mouseInfo, 0);
+ SystemParametersInfo(SPI_SETMOUSESPEED, 0, &oldSpeed, 0);
+ }
+ }
+#endif
+ }
+}
+
+//
+// -=- Keyboard implementation
+//
+
+BoolParameter rfb::win32::SKeyboard::deadKeyAware("DeadKeyAware",
+ "Whether to assume the viewer has already interpreted dead key sequences "
+ "into latin-1 characters", true);
+
+static bool oneShift;
+
+// The keysymToAscii table transforms a couple of awkward keysyms into their
+// ASCII equivalents.
+struct keysymToAscii_t {
+ rdr::U32 keysym;
+ rdr::U8 ascii;
+};
+
+keysymToAscii_t keysymToAscii[] = {
+ { XK_KP_Space, ' ' },
+ { XK_KP_Equal, '=' },
+};
+
+rdr::U8 latin1DeadChars[] = {
+ XK_grave, XK_acute, XK_asciicircum, XK_diaeresis, XK_degree, XK_cedilla,
+ XK_asciitilde
+};
+
+struct latin1ToDeadChars_t {
+ rdr::U8 latin1Char;
+ rdr::U8 deadChar;
+ rdr::U8 baseChar;
+};
+
+latin1ToDeadChars_t latin1ToDeadChars[] = {
+
+ { XK_Agrave, XK_grave, XK_A },
+ { XK_Egrave, XK_grave, XK_E },
+ { XK_Igrave, XK_grave, XK_I },
+ { XK_Ograve, XK_grave, XK_O },
+ { XK_Ugrave, XK_grave, XK_U },
+ { XK_agrave, XK_grave, XK_a },
+ { XK_egrave, XK_grave, XK_e },
+ { XK_igrave, XK_grave, XK_i },
+ { XK_ograve, XK_grave, XK_o},
+ { XK_ugrave, XK_grave, XK_u },
+
+ { XK_Aacute, XK_acute, XK_A },
+ { XK_Eacute, XK_acute, XK_E },
+ { XK_Iacute, XK_acute, XK_I },
+ { XK_Oacute, XK_acute, XK_O },
+ { XK_Uacute, XK_acute, XK_U },
+ { XK_Yacute, XK_acute, XK_Y },
+ { XK_aacute, XK_acute, XK_a },
+ { XK_eacute, XK_acute, XK_e },
+ { XK_iacute, XK_acute, XK_i },
+ { XK_oacute, XK_acute, XK_o},
+ { XK_uacute, XK_acute, XK_u },
+ { XK_yacute, XK_acute, XK_y },
+
+ { XK_Acircumflex, XK_asciicircum, XK_A },
+ { XK_Ecircumflex, XK_asciicircum, XK_E },
+ { XK_Icircumflex, XK_asciicircum, XK_I },
+ { XK_Ocircumflex, XK_asciicircum, XK_O },
+ { XK_Ucircumflex, XK_asciicircum, XK_U },
+ { XK_acircumflex, XK_asciicircum, XK_a },
+ { XK_ecircumflex, XK_asciicircum, XK_e },
+ { XK_icircumflex, XK_asciicircum, XK_i },
+ { XK_ocircumflex, XK_asciicircum, XK_o},
+ { XK_ucircumflex, XK_asciicircum, XK_u },
+
+ { XK_Adiaeresis, XK_diaeresis, XK_A },
+ { XK_Ediaeresis, XK_diaeresis, XK_E },
+ { XK_Idiaeresis, XK_diaeresis, XK_I },
+ { XK_Odiaeresis, XK_diaeresis, XK_O },
+ { XK_Udiaeresis, XK_diaeresis, XK_U },
+ { XK_adiaeresis, XK_diaeresis, XK_a },
+ { XK_ediaeresis, XK_diaeresis, XK_e },
+ { XK_idiaeresis, XK_diaeresis, XK_i },
+ { XK_odiaeresis, XK_diaeresis, XK_o},
+ { XK_udiaeresis, XK_diaeresis, XK_u },
+ { XK_ydiaeresis, XK_diaeresis, XK_y },
+
+ { XK_Aring, XK_degree, XK_A },
+ { XK_aring, XK_degree, XK_a },
+
+ { XK_Ccedilla, XK_cedilla, XK_C },
+ { XK_ccedilla, XK_cedilla, XK_c },
+
+ { XK_Atilde, XK_asciitilde, XK_A },
+ { XK_Ntilde, XK_asciitilde, XK_N },
+ { XK_Otilde, XK_asciitilde, XK_O },
+ { XK_atilde, XK_asciitilde, XK_a },
+ { XK_ntilde, XK_asciitilde, XK_n },
+ { XK_otilde, XK_asciitilde, XK_o },
+};
+
+// doKeyboardEvent wraps the system keybd_event function and attempts to find
+// the appropriate scancode corresponding to the supplied virtual keycode.
+
+inline void doKeyboardEvent(BYTE vkCode, DWORD flags) {
+ vlog.debug("vkCode 0x%x flags 0x%x", vkCode, flags);
+ keybd_event(vkCode, MapVirtualKey(vkCode, 0), flags, 0);
+}
+
+// KeyStateModifier is a class which helps simplify generating a "fake" press
+// or release of shift, ctrl, alt, etc. An instance of the class is created
+// for every key which may need to be pressed or released. Then either press()
+// or release() may be called to make sure that the corresponding key is in the
+// right state. The destructor of the class automatically reverts to the
+// previous state.
+
+class KeyStateModifier {
+public:
+ KeyStateModifier(int vkCode_, int flags_=0)
+ : vkCode(vkCode_), flags(flags_), pressed(false), released(false)
+ {}
+ void press() {
+ if (!(GetAsyncKeyState(vkCode) & 0x8000)) {
+ doKeyboardEvent(vkCode, flags);
+ pressed = true;
+ }
+ }
+ void release() {
+ if (GetAsyncKeyState(vkCode) & 0x8000) {
+ doKeyboardEvent(vkCode, flags | KEYEVENTF_KEYUP);
+ released = true;
+ }
+ }
+ ~KeyStateModifier() {
+ if (pressed) {
+ doKeyboardEvent(vkCode, flags | KEYEVENTF_KEYUP);
+ } else if (released) {
+ doKeyboardEvent(vkCode, flags);
+ }
+ }
+ int vkCode;
+ int flags;
+ bool pressed;
+ bool released;
+};
+
+
+// doKeyEventWithModifiers() generates a key event having first "pressed" or
+// "released" the shift, ctrl or alt modifiers if necessary.
+
+void doKeyEventWithModifiers(BYTE vkCode, BYTE modifierState, bool down)
+{
+ KeyStateModifier ctrl(VK_CONTROL);
+ KeyStateModifier alt(VK_MENU);
+ KeyStateModifier shift(VK_SHIFT);
+
+ if (down) {
+ if (modifierState & 2) ctrl.press();
+ if (modifierState & 4) alt.press();
+ if (modifierState & 1) {
+ shift.press();
+ } else {
+ shift.release();
+ }
+ }
+ doKeyboardEvent(vkCode, down ? 0 : KEYEVENTF_KEYUP);
+}
+
+
+win32::SKeyboard::SKeyboard()
+{
+ oneShift = rfb::win32::osVersion.isPlatformWindows;
+ for (int i = 0; i < sizeof(keymap) / sizeof(keymap_t); i++) {
+ vkMap[keymap[i].keysym] = keymap[i].vk;
+ extendedMap[keymap[i].keysym] = keymap[i].extended;
+ }
+
+ // Find dead characters for the current keyboard layout
+ // XXX how could we handle the keyboard layout changing?
+ BYTE keystate[256];
+ memset(keystate, 0, 256);
+ for (int j = 0; j < sizeof(latin1DeadChars); j++) {
+ SHORT s = VkKeyScan(latin1DeadChars[j]);
+ if (s != -1) {
+ BYTE vkCode = LOBYTE(s);
+ BYTE modifierState = HIBYTE(s);
+ keystate[VK_SHIFT] = (modifierState & 1) ? 0x80 : 0;
+ keystate[VK_CONTROL] = (modifierState & 2) ? 0x80 : 0;
+ keystate[VK_MENU] = (modifierState & 4) ? 0x80 : 0;
+ rdr::U8 chars[2];
+ int nchars = ToAscii(vkCode, 0, keystate, (WORD*)&chars, 0);
+ if (nchars < 0) {
+ vlog.debug("Found dead key 0x%x '%c'",
+ latin1DeadChars[j], latin1DeadChars[j]);
+ deadChars.push_back(latin1DeadChars[j]);
+ ToAscii(vkCode, 0, keystate, (WORD*)&chars, 0);
+ }
+ }
+ }
+}
+
+
+void win32::SKeyboard::keyEvent(rdr::U32 keysym, bool down)
+{
+ for (int i = 0; i < sizeof(keysymToAscii) / sizeof(keysymToAscii_t); i++) {
+ if (keysymToAscii[i].keysym == keysym) {
+ keysym = keysymToAscii[i].ascii;
+ break;
+ }
+ }
+
+ if ((keysym >= 32 && keysym <= 126) ||
+ (keysym >= 160 && keysym <= 255))
+ {
+ // ordinary Latin-1 character
+
+ if (deadKeyAware) {
+ // Detect dead chars and generate the dead char followed by space so
+ // that we'll end up with the original char.
+ for (int i = 0; i < deadChars.size(); i++) {
+ if (keysym == deadChars[i]) {
+ SHORT dc = VkKeyScan(keysym);
+ if (dc != -1) {
+ if (down) {
+ vlog.info("latin-1 dead key: 0x%x vkCode 0x%x mod 0x%x "
+ "followed by space", keysym, LOBYTE(dc), HIBYTE(dc));
+ doKeyEventWithModifiers(LOBYTE(dc), HIBYTE(dc), true);
+ doKeyEventWithModifiers(LOBYTE(dc), HIBYTE(dc), false);
+ doKeyEventWithModifiers(VK_SPACE, 0, true);
+ doKeyEventWithModifiers(VK_SPACE, 0, false);
+ }
+ return;
+ }
+ }
+ }
+ }
+
+ SHORT s = VkKeyScan(keysym);
+ if (s == -1) {
+ if (down) {
+ // not a single keypress - try synthesizing dead chars.
+ for (int j = 0;
+ j < sizeof(latin1ToDeadChars) / sizeof(latin1ToDeadChars_t);
+ j++) {
+ if (keysym == latin1ToDeadChars[j].latin1Char) {
+ for (int i = 0; i < deadChars.size(); i++) {
+ if (deadChars[i] == latin1ToDeadChars[j].deadChar) {
+ SHORT dc = VkKeyScan(latin1ToDeadChars[j].deadChar);
+ SHORT bc = VkKeyScan(latin1ToDeadChars[j].baseChar);
+ if (dc != -1 && bc != -1) {
+ vlog.info("latin-1 key: 0x%x dead key vkCode 0x%x mod 0x%x "
+ "followed by vkCode 0x%x mod 0x%x",
+ keysym, LOBYTE(dc), HIBYTE(dc),
+ LOBYTE(bc), HIBYTE(bc));
+ doKeyEventWithModifiers(LOBYTE(dc), HIBYTE(dc), true);
+ doKeyEventWithModifiers(LOBYTE(dc), HIBYTE(dc), false);
+ doKeyEventWithModifiers(LOBYTE(bc), HIBYTE(bc), true);
+ doKeyEventWithModifiers(LOBYTE(bc), HIBYTE(bc), false);
+ return;
+ }
+ break;
+ }
+ }
+ break;
+ }
+ }
+ vlog.info("ignoring unrecognised Latin-1 keysym 0x%x",keysym);
+ }
+ return;
+ }
+
+ BYTE vkCode = LOBYTE(s);
+ BYTE modifierState = HIBYTE(s);
+ vlog.debug("latin-1 key: 0x%x vkCode 0x%x mod 0x%x down %d",
+ keysym, vkCode, modifierState, down);
+ doKeyEventWithModifiers(vkCode, modifierState, down);
+
+ } else {
+
+ // see if it's a recognised keyboard key, otherwise ignore it
+
+ if (vkMap.find(keysym) == vkMap.end()) {
+ vlog.info("ignoring unknown keysym 0x%x",keysym);
+ return;
+ }
+ BYTE vkCode = vkMap[keysym];
+ DWORD flags = 0;
+ if (extendedMap[keysym]) flags |= KEYEVENTF_EXTENDEDKEY;
+ if (!down) flags |= KEYEVENTF_KEYUP;
+
+ vlog.debug("keyboard key: keysym 0x%x vkCode 0x%x ext %d down %d",
+ keysym, vkCode, extendedMap[keysym], down);
+ if (down && (vkCode == VK_DELETE) &&
+ ((GetAsyncKeyState(VK_CONTROL) & 0x8000) != 0) &&
+ ((GetAsyncKeyState(VK_MENU) & 0x8000) != 0))
+ {
+ rfb::win32::emulateCtrlAltDel();
+ return;
+ }
+
+ doKeyboardEvent(vkCode, flags);
+ }
+}