--- /dev/null
+/*
+ * kbdptr.c - deal with keyboard and pointer device over TCP & UDP.
+ *
+ *
+ */
+
+/*
+ * Copyright (C) 2002-2003 RealVNC Ltd.
+ * Copyright (C) 1999 AT&T Laboratories Cambridge. 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.
+ */
+
+#include <stdio.h>
+
+#include "X11/X.h"
+#define NEED_EVENTS
+#include "X11/Xproto.h"
+#include "inputstr.h"
+#define XK_CYRILLIC
+#include <X11/keysym.h>
+#include <mi.h>
+#include <mipointer.h>
+#include <property.h>
+#include <Xatom.h>
+#include "rfb.h"
+
+extern WindowPtr *WindowTable; /* Why isn't this in a header file? */
+
+#define KEY_IS_PRESSED(keycode) \
+ (kbdDevice->key->down[(keycode) >> 3] & (1 << ((keycode) & 7)))
+
+
+static void XConvertCase(KeySym sym, KeySym *lower, KeySym *upper);
+
+static DeviceIntPtr kbdDevice;
+
+#define MIN_KEY_CODE 8
+#define MAX_KEY_CODE 255
+#define NO_OF_KEYS (MAX_KEY_CODE - MIN_KEY_CODE + 1)
+#define GLYPHS_PER_KEY 2
+
+static KeySym kbdMap[] = {
+
+ /* Modifiers */
+
+ XK_Control_L, NoSymbol,
+#define CONTROL_L_KEY_CODE MIN_KEY_CODE
+
+ XK_Control_R, NoSymbol,
+#define CONTROL_R_KEY_CODE (MIN_KEY_CODE + 1)
+
+ XK_Shift_L, NoSymbol,
+#define SHIFT_L_KEY_CODE (MIN_KEY_CODE + 2)
+
+ XK_Shift_R, NoSymbol,
+#define SHIFT_R_KEY_CODE (MIN_KEY_CODE + 3)
+
+ XK_Meta_L, NoSymbol,
+#define META_L_KEY_CODE (MIN_KEY_CODE + 4)
+
+ XK_Meta_R, NoSymbol,
+#define META_R_KEY_CODE (MIN_KEY_CODE + 5)
+
+ XK_Alt_L, NoSymbol,
+#define ALT_L_KEY_CODE (MIN_KEY_CODE + 6)
+
+ XK_Alt_R, NoSymbol,
+#define ALT_R_KEY_CODE (MIN_KEY_CODE + 7)
+
+ /* Standard US keyboard */
+
+ XK_space, NoSymbol,
+ XK_0, XK_parenright,
+ XK_1, XK_exclam,
+ XK_2, XK_at,
+ XK_3, XK_numbersign,
+ XK_4, XK_dollar,
+ XK_5, XK_percent,
+ XK_6, XK_asciicircum,
+ XK_7, XK_ampersand,
+ XK_8, XK_asterisk,
+ XK_9, XK_parenleft,
+
+ XK_minus, XK_underscore,
+ XK_equal, XK_plus,
+ XK_bracketleft, XK_braceleft,
+ XK_bracketright, XK_braceright,
+ XK_semicolon, XK_colon,
+ XK_apostrophe, XK_quotedbl,
+ XK_grave, XK_asciitilde,
+ XK_comma, XK_less,
+ XK_period, XK_greater,
+ XK_slash, XK_question,
+ XK_backslash, XK_bar,
+
+ XK_a, XK_A,
+ XK_b, XK_B,
+ XK_c, XK_C,
+ XK_d, XK_D,
+ XK_e, XK_E,
+ XK_f, XK_F,
+ XK_g, XK_G,
+ XK_h, XK_H,
+ XK_i, XK_I,
+ XK_j, XK_J,
+ XK_k, XK_K,
+ XK_l, XK_L,
+ XK_m, XK_M,
+ XK_n, XK_N,
+ XK_o, XK_O,
+ XK_p, XK_P,
+ XK_q, XK_Q,
+ XK_r, XK_R,
+ XK_s, XK_S,
+ XK_t, XK_T,
+ XK_u, XK_U,
+ XK_v, XK_V,
+ XK_w, XK_W,
+ XK_x, XK_X,
+ XK_y, XK_Y,
+ XK_z, XK_Z,
+
+ /* Other useful keys */
+
+ XK_BackSpace, NoSymbol,
+ XK_Return, NoSymbol,
+ XK_Tab, NoSymbol,
+ XK_Escape, NoSymbol,
+ XK_Delete, NoSymbol,
+
+ XK_Home, NoSymbol,
+ XK_End, NoSymbol,
+ XK_Page_Up, NoSymbol,
+ XK_Page_Down, NoSymbol,
+ XK_Up, NoSymbol,
+ XK_Down, NoSymbol,
+ XK_Left, NoSymbol,
+ XK_Right, NoSymbol,
+
+ XK_F1, NoSymbol,
+ XK_F2, NoSymbol,
+ XK_F3, NoSymbol,
+ XK_F4, NoSymbol,
+ XK_F5, NoSymbol,
+ XK_F6, NoSymbol,
+ XK_F7, NoSymbol,
+ XK_F8, NoSymbol,
+ XK_F9, NoSymbol,
+ XK_F10, NoSymbol,
+ XK_F11, NoSymbol,
+ XK_F12, NoSymbol,
+
+ /* Plus blank ones which can be filled in using xmodmap */
+
+};
+
+#define N_PREDEFINED_KEYS (sizeof(kbdMap) / (sizeof(KeySym) * GLYPHS_PER_KEY))
+
+
+void
+PtrDeviceInit()
+{
+}
+
+
+void
+KbdDeviceInit(pDevice, pKeySyms, pModMap)
+ DeviceIntPtr pDevice;
+ KeySymsPtr pKeySyms;
+ CARD8 *pModMap;
+{
+ int i;
+
+ kbdDevice = pDevice;
+
+ for (i = 0; i < MAP_LENGTH; i++)
+ pModMap[i] = NoSymbol;
+
+ pModMap[CONTROL_L_KEY_CODE] = ControlMask;
+ pModMap[CONTROL_R_KEY_CODE] = ControlMask;
+ pModMap[SHIFT_L_KEY_CODE] = ShiftMask;
+ pModMap[SHIFT_R_KEY_CODE] = ShiftMask;
+ pModMap[META_L_KEY_CODE] = Mod1Mask;
+ pModMap[META_R_KEY_CODE] = Mod1Mask;
+ pModMap[ALT_L_KEY_CODE] = Mod1Mask;
+ pModMap[ALT_R_KEY_CODE] = Mod1Mask;
+
+ pKeySyms->minKeyCode = MIN_KEY_CODE;
+ pKeySyms->maxKeyCode = MAX_KEY_CODE;
+ pKeySyms->mapWidth = GLYPHS_PER_KEY;
+
+ pKeySyms->map = (KeySym *)xalloc(sizeof(KeySym)
+ * MAP_LENGTH * GLYPHS_PER_KEY);
+
+ if (!pKeySyms->map) {
+ rfbLog("xalloc failed\n");
+ exit(1);
+ }
+
+ for (i = 0; i < MAP_LENGTH * GLYPHS_PER_KEY; i++)
+ pKeySyms->map[i] = NoSymbol;
+
+ for (i = 0; i < N_PREDEFINED_KEYS * GLYPHS_PER_KEY; i++) {
+ pKeySyms->map[i] = kbdMap[i];
+ }
+}
+
+
+
+void
+KbdDeviceOn()
+{
+}
+
+
+void
+KbdDeviceOff()
+{
+}
+
+
+void
+PtrDeviceOn(pDev)
+ DeviceIntPtr pDev;
+{
+}
+
+
+void
+PtrDeviceOff()
+{
+}
+
+
+void
+PtrDeviceControl(dev, ctrl)
+ DevicePtr dev;
+ PtrCtrl *ctrl;
+{
+}
+
+
+void
+KbdAddEvent(down, keySym, cl)
+ Bool down;
+ KeySym keySym;
+ rfbClientPtr cl;
+{
+ xEvent ev, fake;
+ KeySymsPtr keySyms = &kbdDevice->key->curKeySyms;
+ int i;
+ int keyCode = 0;
+ int freeIndex = -1;
+ unsigned long time;
+ Bool fakeShiftPress = FALSE;
+ Bool fakeShiftLRelease = FALSE;
+ Bool fakeShiftRRelease = FALSE;
+ Bool shiftMustBeReleased = FALSE;
+ Bool shiftMustBePressed = FALSE;
+
+ if (cl) {
+ CARD32 clientId = cl->sock;
+ ChangeWindowProperty(WindowTable[0], VNC_LAST_CLIENT_ID, XA_INTEGER,
+ 32, PropModeReplace, 1, (pointer)&clientId, TRUE);
+ }
+
+ if (down) {
+ if (rfbTrace) rfbLog("KeyPress: 0x%x\n",keySym);
+ ev.u.u.type = KeyPress;
+ } else {
+ ev.u.u.type = KeyRelease;
+ }
+
+ /* First check if it's one of our predefined keys. If so then we can make
+ some attempt at allowing an xmodmap inside a VNC desktop behave
+ something like you'd expect - e.g. if keys A & B are swapped over and
+ the VNC client sends an A, then map it to a B when generating the X
+ event. We don't attempt to do this for keycodes which we make up on the
+ fly because it's too hard... */
+
+ for (i = 0; i < N_PREDEFINED_KEYS * GLYPHS_PER_KEY; i++) {
+ if (keySym == kbdMap[i]) {
+ keyCode = MIN_KEY_CODE + i / GLYPHS_PER_KEY;
+
+ if (kbdMap[(i/GLYPHS_PER_KEY) * GLYPHS_PER_KEY + 1] != NoSymbol) {
+
+ /* this keycode has more than one symbol associated with it,
+ so shift state is important */
+
+ if ((i % GLYPHS_PER_KEY) == 0)
+ shiftMustBeReleased = TRUE;
+ else
+ shiftMustBePressed = TRUE;
+ }
+ break;
+ }
+ }
+
+ if (!keyCode) {
+
+ /* not one of our predefined keys - see if it's in the current keyboard
+ mapping (i.e. we've already allocated an extra keycode for it) */
+
+ if (keySyms->mapWidth < 2) {
+ rfbLog("KbdAddEvent: Sanity check failed - Keyboard mapping has "
+ "less than 2 keysyms per keycode (KeySym 0x%x)\n", keySym);
+ return;
+ }
+
+ for (i = 0; i < NO_OF_KEYS * keySyms->mapWidth; i++) {
+ if (keySym == keySyms->map[i]) {
+ keyCode = MIN_KEY_CODE + i / keySyms->mapWidth;
+
+ if (keySyms->map[(i / keySyms->mapWidth)
+ * keySyms->mapWidth + 1] != NoSymbol) {
+
+ /* this keycode has more than one symbol associated with
+ it, so shift state is important */
+
+ if ((i % keySyms->mapWidth) == 0)
+ shiftMustBeReleased = TRUE;
+ else
+ shiftMustBePressed = TRUE;
+ }
+ break;
+ }
+ if ((freeIndex == -1) && (keySyms->map[i] == NoSymbol)
+ && (i % keySyms->mapWidth) == 0)
+ {
+ freeIndex = i;
+ }
+ }
+ }
+
+ if (!keyCode) {
+ KeySym lower, upper;
+
+ /* we don't have an existing keycode - make one up on the fly and add
+ it to the keyboard mapping. Thanks to Vlad Harchev for pointing
+ out problems with non-ascii capitalisation. */
+
+ if (freeIndex == -1) {
+ rfbLog("KbdAddEvent: ignoring KeySym 0x%x - no free KeyCodes\n",
+ keySym);
+ return;
+ }
+
+ keyCode = MIN_KEY_CODE + freeIndex / keySyms->mapWidth;
+
+ XConvertCase(keySym, &lower, &upper);
+
+ if (lower == upper) {
+ keySyms->map[freeIndex] = keySym;
+
+ } else {
+ keySyms->map[freeIndex] = lower;
+ keySyms->map[freeIndex+1] = upper;
+
+ if (keySym == lower)
+ shiftMustBeReleased = TRUE;
+ else
+ shiftMustBePressed = TRUE;
+ }
+
+ SendMappingNotify(MappingKeyboard, keyCode, 1, serverClient);
+
+ rfbLog("KbdAddEvent: unknown KeySym 0x%x - allocating KeyCode %d\n",
+ keySym, keyCode);
+ }
+
+ time = GetTimeInMillis();
+
+ if (down) {
+ if (shiftMustBePressed && !(kbdDevice->key->state & ShiftMask)) {
+ fakeShiftPress = TRUE;
+ fake.u.u.type = KeyPress;
+ fake.u.u.detail = SHIFT_L_KEY_CODE;
+ fake.u.keyButtonPointer.time = time;
+ mieqEnqueue(&fake);
+ }
+ if (shiftMustBeReleased && (kbdDevice->key->state & ShiftMask)) {
+ if (KEY_IS_PRESSED(SHIFT_L_KEY_CODE)) {
+ fakeShiftLRelease = TRUE;
+ fake.u.u.type = KeyRelease;
+ fake.u.u.detail = SHIFT_L_KEY_CODE;
+ fake.u.keyButtonPointer.time = time;
+ mieqEnqueue(&fake);
+ }
+ if (KEY_IS_PRESSED(SHIFT_R_KEY_CODE)) {
+ fakeShiftRRelease = TRUE;
+ fake.u.u.type = KeyRelease;
+ fake.u.u.detail = SHIFT_R_KEY_CODE;
+ fake.u.keyButtonPointer.time = time;
+ mieqEnqueue(&fake);
+ }
+ }
+ }
+
+ ev.u.u.detail = keyCode;
+ ev.u.keyButtonPointer.time = time;
+ mieqEnqueue(&ev);
+
+ if (fakeShiftPress) {
+ fake.u.u.type = KeyRelease;
+ fake.u.u.detail = SHIFT_L_KEY_CODE;
+ fake.u.keyButtonPointer.time = time;
+ mieqEnqueue(&fake);
+ }
+ if (fakeShiftLRelease) {
+ fake.u.u.type = KeyPress;
+ fake.u.u.detail = SHIFT_L_KEY_CODE;
+ fake.u.keyButtonPointer.time = time;
+ mieqEnqueue(&fake);
+ }
+ if (fakeShiftRRelease) {
+ fake.u.u.type = KeyPress;
+ fake.u.u.detail = SHIFT_R_KEY_CODE;
+ fake.u.keyButtonPointer.time = time;
+ mieqEnqueue(&fake);
+ }
+}
+
+void
+PtrAddEvent(buttonMask, x, y, cl)
+ int buttonMask;
+ int x;
+ int y;
+ rfbClientPtr cl;
+{
+ xEvent ev;
+ int i;
+ unsigned long time;
+ static int oldButtonMask = 0;
+
+ if (cl) {
+ CARD32 clientId = cl->sock;
+ ChangeWindowProperty(WindowTable[0], VNC_LAST_CLIENT_ID, XA_INTEGER,
+ 32, PropModeReplace, 1, (pointer)&clientId, TRUE);
+ }
+
+ time = GetTimeInMillis();
+
+ miPointerAbsoluteCursor(x, y, time);
+
+ for (i = 0; i < 5; i++) {
+ if ((buttonMask ^ oldButtonMask) & (1<<i)) {
+ if (buttonMask & (1<<i)) {
+ ev.u.u.type = ButtonPress;
+ ev.u.u.detail = i + 1;
+ ev.u.keyButtonPointer.time = time;
+ mieqEnqueue(&ev);
+ } else {
+ ev.u.u.type = ButtonRelease;
+ ev.u.u.detail = i + 1;
+ ev.u.keyButtonPointer.time = time;
+ mieqEnqueue(&ev);
+ }
+ }
+ }
+
+ oldButtonMask = buttonMask;
+}
+
+void
+KbdReleaseAllKeys()
+{
+ int i, j;
+ xEvent ev;
+ unsigned long time = GetTimeInMillis();
+
+ for (i = 0; i < DOWN_LENGTH; i++) {
+ if (kbdDevice->key->down[i] != 0) {
+ for (j = 0; j < 8; j++) {
+ if (kbdDevice->key->down[i] & (1 << j)) {
+ ev.u.u.type = KeyRelease;
+ ev.u.u.detail = (i << 3) | j;
+ ev.u.keyButtonPointer.time = time;
+ mieqEnqueue(&ev);
+ }
+ }
+ }
+ }
+}
+
+
+/* copied from Xlib source */
+
+static void XConvertCase(KeySym sym, KeySym *lower, KeySym *upper)
+{
+ *lower = sym;
+ *upper = sym;
+ switch(sym >> 8) {
+ case 0: /* Latin 1 */
+ if ((sym >= XK_A) && (sym <= XK_Z))
+ *lower += (XK_a - XK_A);
+ else if ((sym >= XK_a) && (sym <= XK_z))
+ *upper -= (XK_a - XK_A);
+ else if ((sym >= XK_Agrave) && (sym <= XK_Odiaeresis))
+ *lower += (XK_agrave - XK_Agrave);
+ else if ((sym >= XK_agrave) && (sym <= XK_odiaeresis))
+ *upper -= (XK_agrave - XK_Agrave);
+ else if ((sym >= XK_Ooblique) && (sym <= XK_Thorn))
+ *lower += (XK_oslash - XK_Ooblique);
+ else if ((sym >= XK_oslash) && (sym <= XK_thorn))
+ *upper -= (XK_oslash - XK_Ooblique);
+ break;
+ case 1: /* Latin 2 */
+ /* Assume the KeySym is a legal value (ignore discontinuities) */
+ if (sym == XK_Aogonek)
+ *lower = XK_aogonek;
+ else if (sym >= XK_Lstroke && sym <= XK_Sacute)
+ *lower += (XK_lstroke - XK_Lstroke);
+ else if (sym >= XK_Scaron && sym <= XK_Zacute)
+ *lower += (XK_scaron - XK_Scaron);
+ else if (sym >= XK_Zcaron && sym <= XK_Zabovedot)
+ *lower += (XK_zcaron - XK_Zcaron);
+ else if (sym == XK_aogonek)
+ *upper = XK_Aogonek;
+ else if (sym >= XK_lstroke && sym <= XK_sacute)
+ *upper -= (XK_lstroke - XK_Lstroke);
+ else if (sym >= XK_scaron && sym <= XK_zacute)
+ *upper -= (XK_scaron - XK_Scaron);
+ else if (sym >= XK_zcaron && sym <= XK_zabovedot)
+ *upper -= (XK_zcaron - XK_Zcaron);
+ else if (sym >= XK_Racute && sym <= XK_Tcedilla)
+ *lower += (XK_racute - XK_Racute);
+ else if (sym >= XK_racute && sym <= XK_tcedilla)
+ *upper -= (XK_racute - XK_Racute);
+ break;
+ case 2: /* Latin 3 */
+ /* Assume the KeySym is a legal value (ignore discontinuities) */
+ if (sym >= XK_Hstroke && sym <= XK_Hcircumflex)
+ *lower += (XK_hstroke - XK_Hstroke);
+ else if (sym >= XK_Gbreve && sym <= XK_Jcircumflex)
+ *lower += (XK_gbreve - XK_Gbreve);
+ else if (sym >= XK_hstroke && sym <= XK_hcircumflex)
+ *upper -= (XK_hstroke - XK_Hstroke);
+ else if (sym >= XK_gbreve && sym <= XK_jcircumflex)
+ *upper -= (XK_gbreve - XK_Gbreve);
+ else if (sym >= XK_Cabovedot && sym <= XK_Scircumflex)
+ *lower += (XK_cabovedot - XK_Cabovedot);
+ else if (sym >= XK_cabovedot && sym <= XK_scircumflex)
+ *upper -= (XK_cabovedot - XK_Cabovedot);
+ break;
+ case 3: /* Latin 4 */
+ /* Assume the KeySym is a legal value (ignore discontinuities) */
+ if (sym >= XK_Rcedilla && sym <= XK_Tslash)
+ *lower += (XK_rcedilla - XK_Rcedilla);
+ else if (sym >= XK_rcedilla && sym <= XK_tslash)
+ *upper -= (XK_rcedilla - XK_Rcedilla);
+ else if (sym == XK_ENG)
+ *lower = XK_eng;
+ else if (sym == XK_eng)
+ *upper = XK_ENG;
+ else if (sym >= XK_Amacron && sym <= XK_Umacron)
+ *lower += (XK_amacron - XK_Amacron);
+ else if (sym >= XK_amacron && sym <= XK_umacron)
+ *upper -= (XK_amacron - XK_Amacron);
+ break;
+ case 6: /* Cyrillic */
+ /* Assume the KeySym is a legal value (ignore discontinuities) */
+ if (sym >= XK_Serbian_DJE && sym <= XK_Serbian_DZE)
+ *lower -= (XK_Serbian_DJE - XK_Serbian_dje);
+ else if (sym >= XK_Serbian_dje && sym <= XK_Serbian_dze)
+ *upper += (XK_Serbian_DJE - XK_Serbian_dje);
+ else if (sym >= XK_Cyrillic_YU && sym <= XK_Cyrillic_HARDSIGN)
+ *lower -= (XK_Cyrillic_YU - XK_Cyrillic_yu);
+ else if (sym >= XK_Cyrillic_yu && sym <= XK_Cyrillic_hardsign)
+ *upper += (XK_Cyrillic_YU - XK_Cyrillic_yu);
+ break;
+ case 7: /* Greek */
+ /* Assume the KeySym is a legal value (ignore discontinuities) */
+ if (sym >= XK_Greek_ALPHAaccent && sym <= XK_Greek_OMEGAaccent)
+ *lower += (XK_Greek_alphaaccent - XK_Greek_ALPHAaccent);
+ else if (sym >= XK_Greek_alphaaccent && sym <= XK_Greek_omegaaccent &&
+ sym != XK_Greek_iotaaccentdieresis &&
+ sym != XK_Greek_upsilonaccentdieresis)
+ *upper -= (XK_Greek_alphaaccent - XK_Greek_ALPHAaccent);
+ else if (sym >= XK_Greek_ALPHA && sym <= XK_Greek_OMEGA)
+ *lower += (XK_Greek_alpha - XK_Greek_ALPHA);
+ else if (sym >= XK_Greek_alpha && sym <= XK_Greek_omega &&
+ sym != XK_Greek_finalsmallsigma)
+ *upper -= (XK_Greek_alpha - XK_Greek_ALPHA);
+ break;
+ }
+}
projects / rdpsrv / blobdiff