From 76b48676844bc7aa0511b8371ef6347b2e8ad545 Mon Sep 17 00:00:00 2001 From: Mike Gabriel Date: Tue, 25 Apr 2017 15:27:17 +0200 Subject: nxcompshad: Switch to autoreconf. --- nxcompshad/src/X11.cpp | 1598 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 1598 insertions(+) create mode 100644 nxcompshad/src/X11.cpp (limited to 'nxcompshad/src/X11.cpp') diff --git a/nxcompshad/src/X11.cpp b/nxcompshad/src/X11.cpp new file mode 100644 index 000000000..3643df731 --- /dev/null +++ b/nxcompshad/src/X11.cpp @@ -0,0 +1,1598 @@ +/**************************************************************************/ +/* */ +/* Copyright (c) 2001, 2011 NoMachine (http://www.nomachine.com) */ +/* Copyright (c) 2008-2014 Oleksandr Shneyder */ +/* Copyright (c) 2014-2016 Ulrich Sibiller */ +/* Copyright (c) 2014-2016 Mihai Moldovan */ +/* Copyright (c) 2011-2016 Mike Gabriel */ +/* Copyright (c) 2015-2016 Qindel Group (http://www.qindel.com) */ +/* */ +/* NXCOMPSHAD, NX protocol compression and NX extensions to this software */ +/* are copyright of the aforementioned persons and companies. */ +/* */ +/* Redistribution and use of the present software is allowed according */ +/* to terms specified in the file LICENSE which comes in the source */ +/* distribution. */ +/* */ +/* All rights reserved. */ +/* */ +/* NOTE: This software has received contributions from various other */ +/* contributors, only the core maintainers and supporters are listed as */ +/* copyright holders. Please contact us, if you feel you should be listed */ +/* as copyright holder, as well. */ +/* */ +/**************************************************************************/ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#if !defined(__CYGWIN32__) && !defined(WIN32) + +#define PANIC +#define WARNING +#undef TEST +#undef DEBUG + +#include +#include +#include +#include "X11/include/XTest_nxcompshad.h" +#include +#include +#include + +#include "Poller.h" +#include "Logger.h" +#include "Shadow.h" + +#define ROUNDUP(nbytes, pad) ((((nbytes) + ((pad)-1)) / (pad)) * ((pad)>>3)) + +#undef TRANSLATE_KEYCODES +#define TRANSLATE_ALWAYS + +typedef struct { + KeySym *map; + KeyCode minKeyCode, + maxKeyCode; + int mapWidth; +} KeySymsRec, *KeySymsPtr; + +extern KeySymsPtr NXShadowKeymap; + +typedef struct _KeyPressed +{ + KeyCode keyRcvd; + KeyCode keySent; + struct _KeyPressed *next; +} KeyPressedRec; + +static KeyPressedRec *shadowKeyPressedPtr = NULL; + +static KeySym *shadowKeysyms = NULL; +static KeySym *masterKeysyms = NULL; + +static KeySym *shadowKeymap = NULL; + +static int shadowMinKey, shadowMaxKey, shadowMapWidth; +static int masterMinKey, masterMaxKey, masterMapWidth; + +static int leftShiftOn = 0; +static int rightShiftOn = 0; +static int modeSwitchOn = 0; +static int level3ShiftOn = 0; +static int altROn = 0; + +static int sentFakeLShiftPress = 0; +static int sentFakeLShiftRelease = 0; +static int sentFakeRShiftRelease = 0; +static int sentFakeModeSwitchPress = 0; +static int sentFakeModeSwitchRelease = 0; +static int sentFakeLevel3ShiftPress = 0; +static int sentFakeLevel3ShiftRelease = 0; +static int sentFakeAltRRelease = 0; + +static int shmInitTrap = 0; + +Poller::Poller(Input *input, Display *display, int depth) : CorePoller(input, display) +{ + logTrace("Poller::Poller"); + + display_ = NULL; + shadowDisplayName_ = input -> getShadowDisplayName(); + + tmpBuffer_ = NULL; + + xtestExtension_ = -1; + shmExtension_ = -1; + randrExtension_ = -1; + damageExtension_ = -1; + + shadowDisplayUid_ = -1; + + image_ = NULL; + + shminfo_ = NULL; +} + +Poller::~Poller() +{ + logTrace("Poller::~Poller"); + + if (shmExtension_ == 1) + { + XShmDetach(display_, shminfo_); + XDestroyImage(image_); + shmdt(shminfo_ -> shmaddr); + shmctl(shminfo_ -> shmid, IPC_RMID, 0); + } + + if (shminfo_ != NULL) + { + delete shminfo_; + + shminfo_ = NULL; + } + + if (display_ != NULL) + { + XCloseDisplay(display_); + } + + if (tmpBuffer_ != NULL && shmExtension_ != -1 && damageExtension_ == 1) + { + XFree(tmpBuffer_); + + tmpBuffer_ = NULL; + } +} + +int Poller::init() +{ + logTrace("Poller::init"); + + if (display_ == NULL) + { + display_ = XOpenDisplay(shadowDisplayName_); + + setShadowDisplay(display_); + } + + logTest("Poller::init:" ,"Shadow display [%p] name [%s].", (Display *) display_, shadowDisplayName_); + + if (display_ == NULL) + { + logTest("Poller::init", "Failed to connect to display [%s].", shadowDisplayName_ ? shadowDisplayName_ : ""); + + return -1; + } + + setRootSize(); + + logTest("Poller::init", "Screen geometry is [%d, %d] depth is [%d] bpl [%d] bpp [%d].", + width_, height_, depth_, bpl_, bpp_); + + xtestInit(); + + shmInit(); + + randrInit(); + + damageInit(); + + return CorePoller::init(); +} + +int Poller::updateShadowFrameBuffer(void) +{ + if (shmExtension_ == 1) + { + if (XShmGetImage(display_, DefaultRootWindow(display_), image_, 0, 0, AllPlanes) == 0) + { + logDebug("Poller::updateShadowFrameBuffer", "XShmGetImage failed!"); + + return -1; + } + } + else + { + image_ = XGetImage(display_, DefaultRootWindow(display_), 0, 0, width_, + height_, AllPlanes, ZPixmap); + + if (image_ == NULL) + { + logDebug("Poller::updateShadowFrameBuffer", "XGetImage failed!"); + + return -1; + } + } + + return 1; +} + +char *Poller::getRect(XRectangle r) +{ + logTrace("Poller::getRect"); + + logDebug("Poller::getRect", "Going to retrive rectangle [%d, %d, %d, %d].", + r.x, r.y, r.width, r.height); + + if (shmExtension_ == 1) + { + if (damageExtension_ == 1) + { + image_ -> width = r.width; + image_ -> height = r.height; + + image_ -> bytes_per_line = ROUNDUP((image_ -> bits_per_pixel * image_ -> width), image_ -> bitmap_pad); + + if (XShmGetImage(display_, DefaultRootWindow(display_), image_, r.x, r.y, AllPlanes) == 0) + { + logDebug("Poller::getRect", "XShmGetImage failed!"); + + return NULL; + } + + tmpBuffer_ = image_ -> data; + } + else + { + image_ -> width = r.width; + image_ -> height = r.height; + + image_ -> bytes_per_line = ROUNDUP((image_ -> bits_per_pixel * image_ -> width), image_ -> bitmap_pad); + + if (XShmGetImage(display_, DefaultRootWindow(display_), image_, r.x, r.y, AllPlanes) == 0) + { + logDebug("Poller::getRect", "XShmGetImage failed!"); + } + + tmpBuffer_ = image_ -> data; + } + } + else + { + if (tmpBuffer_) + { + XFree(tmpBuffer_); + tmpBuffer_ = NULL; + } + + image_ = XGetImage(display_, DefaultRootWindow(display_), r.x, r.y, r.width, r.height, AllPlanes, ZPixmap); + + if (image_ == NULL) + { + logError("Poller::getRect", ESET(ENOMSG)); + + return NULL; + } + + tmpBuffer_ = image_ -> data; + + if (image_ -> obdata) + { + XFree(image_ -> obdata); + } + + XFree(image_); + + image_ = NULL; + } + + return tmpBuffer_; +} + +void Poller::shmInit(void) +{ + int major, minor; + int pixmaps; + + logTest("Poller::shmInit", "Added shmExtension_ [%d].", shmExtension_); + + if (shmExtension_ >= 0) + { + logDebug("Poller::shmInit", "Called with shared memory already initialized."); + + if (shmInitTrap == 0) + { + return; + } + } + + if (shmExtension_ < 0 && NXShadowOptions.optionShmExtension == 0) + { + shmExtension_ = 0; + + logUser("Poller::shmInit: Disabling use of MIT-SHM extension.\n"); + + return; + } + + if (XShmQueryVersion(display_, &major, &minor, &pixmaps) == 0) + { + logDebug("Poller::shmInit", "MIT_SHM: Shared memory extension not available."); + + shmExtension_ = 0; + } + else + { + logDebug("Poller::shmInit", "MIT_SHM: Shared memory extension available."); + + if (shminfo_ != NULL) + { + destroyShmImage(); + } + + shminfo_ = (XShmSegmentInfo* ) new XShmSegmentInfo; + + if (shminfo_ == NULL) + { + logError("Poller::shmInit", ESET(ENOMEM)); + + shmExtension_ = 0; + + return; + } + + image_ = (XImage *)XShmCreateImage(display_, display_ -> screens[0].root_visual, depth_, ZPixmap, + NULL, shminfo_, width_, height_); + + if (image_ == NULL) + { + logError("Poller::shmInit", ESET(ENOMSG)); + + shmExtension_ = 0; + + return; + } + + shadowDisplayUid_ = NXShadowOptions.optionShadowDisplayUid; + + logDebug("Poller::shmInit", "Master X server uid [%d].", NXShadowOptions.optionShadowDisplayUid); + + shminfo_ -> shmid = shmget(IPC_PRIVATE, image_ -> bytes_per_line * image_ -> height, IPC_CREAT | 0666); + + if (shminfo_ -> shmid < 0) + { + logDebug("Poller::shmInit", "kernel id error."); + + shmExtension_ = 0; + + return; + } + + logDebug("Poller::shmInit", "Created shm segment with shmid [%d].", shminfo_ -> shmid); + + shminfo_ -> shmaddr = (char *)shmat(shminfo_ -> shmid, 0, 0); + + if (shminfo_ -> shmaddr < 0) + { + logWarning("Poller::shmInit", "Couldn't attach to shm segment."); + } + + logDebug("Poller::shmInit", "shminfo_ -> shmaddr [%p].", shminfo_ -> shmaddr); + + image_ -> data = shminfo_ -> shmaddr; + + shminfo_ -> readOnly = 0; + + if (XShmAttach(display_, shminfo_) == 0) + { + logDebug("Poller::shmInit", "XShmAttach failed."); + + shmExtension_ = 0; + + return; + } + + // + // Mark the shm segment to be destroyed after + // the last process detach. Let the X server + // complete the X_ShmAttach request, before. + // + + XSync(display_, 0); + + struct shmid_ds ds; + + shmctl(shminfo_ -> shmid, IPC_STAT, &ds); + + if (shadowDisplayUid_ != -1) + { + ds.shm_perm.uid = (ushort) shadowDisplayUid_; + } + else + { + logWarning("Poller::shmInit", "Couldn't set uid for shm segment."); + } + + ds.shm_perm.mode = 0600; + + shmctl(shminfo_ -> shmid, IPC_SET, &ds); + + shmctl(shminfo_ -> shmid, IPC_STAT, &ds); + + shmctl(shminfo_ -> shmid, IPC_RMID, 0); + + logDebug("Poller::shmInit", "Number of attaches to shm segment [%d] are [%d].\n", + shminfo_ -> shmid, (int) ds.shm_nattch); + + if (ds.shm_nattch > 2) + { + logWarning("Poller::shmInit", "More than two attaches to the shm segment."); + + destroyShmImage(); + + shmExtension_ = 0; + + return; + } + + shmExtension_ = 1; + } +} + +void Poller::keymapShadowInit(Display *display) +{ + int i, len; + CARD32 *map; + + if (NXShadowKeymap != NULL) + { + shadowMinKey = NXShadowKeymap -> minKeyCode; + shadowMaxKey = NXShadowKeymap -> maxKeyCode; + shadowMapWidth = NXShadowKeymap -> mapWidth; + + len = (shadowMaxKey - shadowMinKey + 1) * shadowMapWidth; + + map = (CARD32 *) NXShadowKeymap -> map; + + if (shadowKeymap != NULL) + { + free(shadowKeymap); + } + + shadowKeymap = (KeySym *) malloc(len * sizeof(KeySym)); + + if (shadowKeymap != NULL) + { + for (i = 0; i < len; i++) + { + shadowKeymap[i] = map[i]; + } + + shadowKeysyms = shadowKeymap; + } + } + + if (shadowKeysyms == NULL) + { + XDisplayKeycodes(display, &shadowMinKey, &shadowMaxKey); + + shadowKeysyms = XGetKeyboardMapping(display, shadowMinKey, shadowMaxKey - shadowMinKey + 1, + &shadowMapWidth); + } + + #ifdef DEBUG + if (shadowKeysyms != NULL) + { + for (i = 0; i < (shadowMaxKey - shadowMinKey + 1) * shadowMapWidth; i++) + { + if (i % shadowMapWidth == 0) + { + logDebug("Poller::keymapShadowInit", "keycode [%d]", (int) (i / shadowMapWidth)); + } + + logDebug("\tkeysym", " [%x] [%s]", (unsigned int) shadowKeysyms[i], XKeysymToString(shadowKeysyms[i])); + } + } + #endif +} + +void Poller::keymapMasterInit() +{ + XDisplayKeycodes(display_, &masterMinKey, &masterMaxKey); + + masterKeysyms = XGetKeyboardMapping(display_, masterMinKey, masterMaxKey - masterMinKey + 1, + &masterMapWidth); + + #ifdef DEBUG + if (masterKeysyms != NULL) + { + for (int i = 0; i < (masterMaxKey - masterMinKey + 1) * masterMapWidth; i++) + { + if (i % masterMapWidth == 0) + { + logDebug("Poller::keymapMasterInit", "keycode [%d]", (int) (i / masterMapWidth)); + } + + logDebug("\tkeysym", " [%x] [%s]", (unsigned int) masterKeysyms[i], XKeysymToString(masterKeysyms[i])); + } + } + #endif +} + +KeySym Poller::keymapKeycodeToKeysym(KeyCode keycode, KeySym *keysyms, + int minKey, int mapWidth, int col) +{ + int index = ((keycode - minKey) * mapWidth) + col; + return keysyms[index]; +} + +KeyCode Poller::keymapKeysymToKeycode(KeySym keysym, KeySym *keysyms, + int minKey, int maxKey, int mapWidth, int *col) +{ + for (int i = 0; i < (maxKey - minKey + 1) * mapWidth; i++) + { + if (keysyms[i] == keysym) + { + *col = i % mapWidth; + return i / mapWidth + minKey; + } + } + return 0; +} + +KeyCode Poller::translateKeysymToKeycode(KeySym keysym, int *col) +{ + KeyCode keycode; + + keycode = keymapKeysymToKeycode(keysym, masterKeysyms, masterMinKey, + masterMaxKey, masterMapWidth, col); + + if (keycode == 0) + { + if (((keysym >> 8) == 0) && (keysym >= XK_a) && (keysym <= XK_z)) + { + /* + * The master session has a Solaris keyboard. + */ + + keysym -= XK_a - XK_A; + + keycode = keymapKeysymToKeycode(keysym, masterKeysyms, masterMinKey, + masterMaxKey, masterMapWidth, col); + } + else if (keysym == XK_Shift_R) + { + keysym = XK_Shift_L; + + keycode = keymapKeysymToKeycode(keysym, masterKeysyms, masterMinKey, + masterMaxKey, masterMapWidth, col); + } + else if (keysym == XK_Shift_L) + { + keysym = XK_Shift_R; + + keycode = keymapKeysymToKeycode(keysym, masterKeysyms, masterMinKey, + masterMaxKey, masterMapWidth, col); + } + else if (keysym == XK_ISO_Level3_Shift) + { + keysym = XK_Mode_switch; + + if ((keycode = keymapKeysymToKeycode(keysym, masterKeysyms, masterMinKey, + masterMaxKey, masterMapWidth, col)) == 0) + { + keysym = XK_Alt_R; + + keycode = keymapKeysymToKeycode(keysym, masterKeysyms, masterMinKey, + masterMaxKey, masterMapWidth, col); + } + } + else if (keysym == XK_Alt_R) + { + keysym = XK_ISO_Level3_Shift; + + if ((keycode = keymapKeysymToKeycode(keysym, masterKeysyms, masterMinKey, + masterMaxKey, masterMapWidth, col)) == 0) + { + keysym = XK_Mode_switch; + + keycode = keymapKeysymToKeycode(keysym, masterKeysyms, masterMinKey, + masterMaxKey, masterMapWidth, col); + } + } + } + return keycode; +} + +Bool Poller::checkModifierKeys(KeySym keysym, Bool isKeyPress) +{ + switch (keysym) + { + case XK_Shift_L: + leftShiftOn = isKeyPress; + return True; + case XK_Shift_R: + rightShiftOn = isKeyPress; + return True; + case XK_Mode_switch: + modeSwitchOn = isKeyPress; + return True; + case XK_ISO_Level3_Shift: + level3ShiftOn = isKeyPress; + return True; + case XK_Alt_R: + altROn = isKeyPress; + return True; + default: + return False; + } +} + +void Poller::sendFakeModifierEvents(int pos, Bool skip) +{ + KeySym fakeKeysym; + int col; + + if ((!leftShiftOn && !rightShiftOn) && + (!modeSwitchOn && !level3ShiftOn && !altROn)) + { + if (pos == 1 || pos == 3) + { + fakeKeysym = keymapKeysymToKeycode(XK_Shift_L, masterKeysyms, masterMinKey, + masterMaxKey, masterMapWidth, &col); + XTestFakeKeyEvent(display_, fakeKeysym, 1, 0); + sentFakeLShiftPress = 1; + } + if (pos == 2 || pos == 3) + { + fakeKeysym = keymapKeysymToKeycode(XK_ISO_Level3_Shift, masterKeysyms, masterMinKey, + masterMaxKey, masterMapWidth, &col); + + if (fakeKeysym == 0) + { + fakeKeysym = keymapKeysymToKeycode(XK_Mode_switch, masterKeysyms, masterMinKey, + masterMaxKey, masterMapWidth, &col); + sentFakeModeSwitchPress = 1; + } + else + { + sentFakeLevel3ShiftPress = 1; + } + + XTestFakeKeyEvent(display_, fakeKeysym, 1, 0); + } + } + + else if ((leftShiftOn || rightShiftOn) && + (!modeSwitchOn && !level3ShiftOn && !altROn)) + { + if ((pos == 0 && !skip) || pos == 2) + { + if (leftShiftOn) + { + fakeKeysym = keymapKeysymToKeycode(XK_Shift_L, masterKeysyms, masterMinKey, + masterMaxKey, masterMapWidth, &col); + XTestFakeKeyEvent(display_, fakeKeysym, 0, 0); + sentFakeLShiftRelease = 1; + } + if (rightShiftOn) + { + fakeKeysym = keymapKeysymToKeycode(XK_Shift_R, masterKeysyms, masterMinKey, + masterMaxKey, masterMapWidth, &col); + XTestFakeKeyEvent(display_, fakeKeysym, 0, 0); + sentFakeRShiftRelease = 1; + } + } + if (pos == 2 || pos ==3) + { + fakeKeysym = keymapKeysymToKeycode(XK_ISO_Level3_Shift, masterKeysyms, masterMinKey, + masterMaxKey, masterMapWidth, &col); + + if (fakeKeysym == 0) + { + fakeKeysym = keymapKeysymToKeycode(XK_Mode_switch, masterKeysyms, masterMinKey, + masterMaxKey, masterMapWidth, &col); + sentFakeModeSwitchPress = 1; + } + else + { + sentFakeLevel3ShiftPress = 1; + } + + XTestFakeKeyEvent(display_, fakeKeysym, 1, 0); + } + } + + else if ((!leftShiftOn && !rightShiftOn) && + (modeSwitchOn || level3ShiftOn || altROn)) + { + if (pos == 1 || pos == 3) + { + fakeKeysym = keymapKeysymToKeycode(XK_Shift_L, masterKeysyms, masterMinKey, + masterMaxKey, masterMapWidth, &col); + XTestFakeKeyEvent(display_, fakeKeysym, 1, 0); + sentFakeLShiftPress = 1; + } + if (pos == 0 || pos == 1) + { + if (modeSwitchOn) + { + fakeKeysym = keymapKeysymToKeycode(XK_Mode_switch, masterKeysyms, masterMinKey, + masterMaxKey, masterMapWidth, &col); + XTestFakeKeyEvent(display_, fakeKeysym, 0, 0); + sentFakeModeSwitchRelease = 1; + } + if (level3ShiftOn) + { + fakeKeysym = keymapKeysymToKeycode(XK_ISO_Level3_Shift, masterKeysyms, masterMinKey, + masterMaxKey, masterMapWidth, &col); + XTestFakeKeyEvent(display_, fakeKeysym, 0, 0); + sentFakeLevel3ShiftRelease = 1; + } + if (altROn) + { + fakeKeysym = keymapKeysymToKeycode(XK_Alt_R, masterKeysyms, masterMinKey, + masterMaxKey, masterMapWidth, &col); + XTestFakeKeyEvent(display_, fakeKeysym, 0, 0); + sentFakeAltRRelease = 1; + } + } + } + + else if ((leftShiftOn || rightShiftOn) && + (modeSwitchOn || level3ShiftOn || altROn)) + { + if (pos == 0 || pos == 2) + { + if (leftShiftOn) + { + fakeKeysym = keymapKeysymToKeycode(XK_Shift_L, masterKeysyms, masterMinKey, + masterMaxKey, masterMapWidth, &col); + XTestFakeKeyEvent(display_, fakeKeysym, 0, 0); + sentFakeLShiftRelease = 1; + } + if (rightShiftOn) + { + fakeKeysym = keymapKeysymToKeycode(XK_Shift_R, masterKeysyms, masterMinKey, + masterMaxKey, masterMapWidth, &col); + XTestFakeKeyEvent(display_, fakeKeysym, 0, 0); + sentFakeRShiftRelease = 1; + } + } + if (pos == 0 || pos == 1) + { + if (modeSwitchOn) + { + fakeKeysym = keymapKeysymToKeycode(XK_Mode_switch, masterKeysyms, masterMinKey, + masterMaxKey, masterMapWidth, &col); + XTestFakeKeyEvent(display_, fakeKeysym, 0, 0); + sentFakeModeSwitchRelease = 1; + } + if (level3ShiftOn) + { + fakeKeysym = keymapKeysymToKeycode(XK_ISO_Level3_Shift, masterKeysyms, masterMinKey, + masterMaxKey, masterMapWidth, &col); + XTestFakeKeyEvent(display_, fakeKeysym, 0, 0); + sentFakeLevel3ShiftRelease = 1; + } + if (altROn) + { + fakeKeysym = keymapKeysymToKeycode(XK_Alt_R, masterKeysyms, masterMinKey, + masterMaxKey, masterMapWidth, &col); + XTestFakeKeyEvent(display_, fakeKeysym, 0, 0); + sentFakeAltRRelease = 1; + } + } + } +} + +void Poller::cancelFakeModifierEvents() +{ + KeySym fakeKeysym; + int col; + + if (sentFakeLShiftPress) + { + logTest("Poller::handleKeyboardEvent", "Fake Shift_L key press event has been sent"); + logTest("Poller::handleKeyboardEvent", "Sending fake Shift_L key release event"); + + fakeKeysym = keymapKeysymToKeycode(XK_Shift_L, masterKeysyms, masterMinKey, + masterMaxKey, masterMapWidth, &col); + XTestFakeKeyEvent(display_, fakeKeysym, 0, 0); + + sentFakeLShiftPress = 0; + } + + if (sentFakeLShiftRelease) + { + logTest("Poller::handleKeyboardEvent", "Fake Shift_L key release event has been sent"); + logTest("Poller::handleKeyboardEvent", "Sending fake Shift_L key press event"); + + fakeKeysym = keymapKeysymToKeycode(XK_Shift_L, masterKeysyms, masterMinKey, + masterMaxKey, masterMapWidth, &col); + XTestFakeKeyEvent(display_, fakeKeysym, 1, 0); + + sentFakeLShiftRelease = 0; + } + + if (sentFakeRShiftRelease) + { + logTest("Poller::handleKeyboardEvent", "Fake Shift_R key release event has been sent"); + logTest("Poller::handleKeyboardEvent", "Sending fake Shift_R key press event"); + + fakeKeysym = keymapKeysymToKeycode(XK_Shift_R, masterKeysyms, masterMinKey, + masterMaxKey, masterMapWidth, &col); + XTestFakeKeyEvent(display_, fakeKeysym, 1, 0); + + sentFakeRShiftRelease = 0; + } + + if (sentFakeModeSwitchPress) + { + logTest("Poller::handleKeyboardEvent", "Fake Mode_switch key press event has been sent"); + logTest("Poller::handleKeyboardEvent", "Sending fake Mode_switch key release event"); + + fakeKeysym = keymapKeysymToKeycode(XK_Mode_switch, masterKeysyms, masterMinKey, + masterMaxKey, masterMapWidth, &col); + XTestFakeKeyEvent(display_, fakeKeysym, 0, 0); + + sentFakeModeSwitchPress = 0; + } + + if (sentFakeModeSwitchRelease) + { + logTest("Poller::handleKeyboardEvent", "Fake Mode_switch key release event has been sent"); + logTest("Poller::handleKeyboardEvent", "Sending Mode_switch key press event"); + + fakeKeysym = keymapKeysymToKeycode(XK_Mode_switch, masterKeysyms, masterMinKey, + masterMaxKey, masterMapWidth, &col); + XTestFakeKeyEvent(display_, fakeKeysym, 1, 0); + + sentFakeModeSwitchRelease = 0; + } + + if (sentFakeLevel3ShiftPress) + { + logTest("Poller::handleKeyboardEvent", "Fake ISO_Level3_Shift key press event has been sent"); + logTest("Poller::handleKeyboardEvent", "Sending fake ISO_Level3_Shift key release event"); + + fakeKeysym = keymapKeysymToKeycode(XK_ISO_Level3_Shift, masterKeysyms, masterMinKey, + masterMaxKey, masterMapWidth, &col); + XTestFakeKeyEvent(display_, fakeKeysym, 0, 0); + + sentFakeLevel3ShiftPress = 0; + } + + if (sentFakeLevel3ShiftRelease) + { + logTest("Poller::handleKeyboardEvent", "Fake ISO_Level3_Shift key release event has been sent"); + logTest("Poller::handleKeyboardEvent", "Sending fake ISO_Level3_Shift key press event"); + + fakeKeysym = keymapKeysymToKeycode(XK_ISO_Level3_Shift, masterKeysyms, masterMinKey, + masterMaxKey, masterMapWidth, &col); + XTestFakeKeyEvent(display_, fakeKeysym, 1, 0); + + sentFakeLevel3ShiftRelease = 0; + } + + if (sentFakeAltRRelease) + { + logTest("Poller::handleKeyboardEvent", "Fake XK_Alt_R key release event has been sent"); + logTest("Poller::handleKeyboardEvent", "Sending fake XK_Alt_R key press event"); + + fakeKeysym = keymapKeysymToKeycode(XK_Alt_R, masterKeysyms, masterMinKey, + masterMaxKey, masterMapWidth, &col); + XTestFakeKeyEvent(display_, fakeKeysym, 1, 0); + + sentFakeAltRRelease = 0; + } +} + +Bool Poller::keyIsDown(KeyCode keycode) +{ + KeyPressedRec *downKey; + + downKey = shadowKeyPressedPtr; + + while (downKey) + { + if (downKey -> keyRcvd == keycode) + { + return True; + } + downKey = downKey -> next; + } + + return False; +} + +void Poller::addKeyPressed(KeyCode received, KeyCode sent) +{ + KeyPressedRec *downKey; + + if (!keyIsDown(received)) + { + if (shadowKeyPressedPtr == NULL) + { + shadowKeyPressedPtr = (KeyPressedRec *) malloc(sizeof(KeyPressedRec)); + + shadowKeyPressedPtr -> keyRcvd = received; + shadowKeyPressedPtr -> keySent = sent; + shadowKeyPressedPtr -> next = NULL; + } + else + { + downKey = shadowKeyPressedPtr; + + while (downKey -> next != NULL) + { + downKey = downKey -> next; + } + + downKey -> next = (KeyPressedRec *) malloc(sizeof(KeyPressedRec)); + + downKey -> next -> keyRcvd = received; + downKey -> next -> keySent = sent; + downKey -> next -> next = NULL; + } + } +} + +KeyCode Poller::getKeyPressed(KeyCode received) +{ + KeyCode sent; + KeyPressedRec *downKey; + KeyPressedRec *tempKey; + + if (shadowKeyPressedPtr != NULL) + { + if (shadowKeyPressedPtr -> keyRcvd == received) + { + sent = shadowKeyPressedPtr -> keySent; + + tempKey = shadowKeyPressedPtr; + shadowKeyPressedPtr = shadowKeyPressedPtr -> next; + free(tempKey); + + return sent; + } + else + { + downKey = shadowKeyPressedPtr; + + while (downKey -> next != NULL) + { + if (downKey -> next -> keyRcvd == received) + { + sent = downKey -> next -> keySent; + + tempKey = downKey -> next; + downKey -> next = downKey -> next -> next; + free(tempKey); + + return sent; + } + else + { + downKey = downKey -> next; + } + } + } + } + return 0; +} + +void Poller::handleKeyboardEvent(Display *display, XEvent *event) +{ + if (xtestExtension_ == 0 || display_ == 0) + { + return; + } + + logTest("Poller::handleKeyboardEvent", "Handling event at [%p]", event); + +#ifdef TRANSLATE_ALWAYS + + KeyCode keycode; + KeySym keysym; + + int col = 0; + + Bool isKeyPress = False; + Bool isModifier = False; + Bool isShiftComb = False; + Bool skip = False; + + if (event -> type == KeyPress) + { + isKeyPress = True; + } + + if (shadowKeysyms == NULL) + { + keymapShadowInit(event -> xkey.display); + } + + if (masterKeysyms == NULL) + { + keymapMasterInit(); + } + + if (shadowKeysyms == NULL || masterKeysyms == NULL) + { + logTest("Poller::handleKeyboardEvent", "Unable to initialize keymaps. Do not translate"); + + keycode = event -> xkey.keycode; + + goto SendKeycode; + } + + keysym = keymapKeycodeToKeysym(event -> xkey.keycode, shadowKeysyms, + shadowMinKey, shadowMapWidth, 0); + + isModifier = checkModifierKeys(keysym, isKeyPress); + + if (event -> type == KeyRelease) + { + KeyCode keycodeToSend; + + keycodeToSend = getKeyPressed(event -> xkey.keycode); + + if (keycodeToSend) + { + keycode = keycodeToSend; + + goto SendKeycode; + } + } + + /* + * Convert case for Solaris keyboard. + */ + + if (((keysym >> 8) == 0) && (keysym >= XK_A) && (keysym <= XK_Z)) + { + if (!leftShiftOn && !rightShiftOn) + { + keysym += XK_a - XK_A; + } + else + { + skip = True; + } + } + + if (!isModifier) + { + if ((leftShiftOn || rightShiftOn) && + (!modeSwitchOn && !level3ShiftOn && !altROn) && + !skip) + { + KeySym tempKeysym = keymapKeycodeToKeysym(event -> xkey.keycode, shadowKeysyms, + shadowMinKey, shadowMapWidth, 1); + + if (tempKeysym == 0) + { + isShiftComb = True; + } + else + { + keysym = tempKeysym; + } + } + else if ((!leftShiftOn && !rightShiftOn) && + (modeSwitchOn || level3ShiftOn || altROn)) + { + keysym = keymapKeycodeToKeysym(event -> xkey.keycode, shadowKeysyms, + shadowMinKey, shadowMapWidth, 2); + } + else if ((leftShiftOn || rightShiftOn) && + (modeSwitchOn || level3ShiftOn || altROn)) + { + keysym = keymapKeycodeToKeysym(event -> xkey.keycode, shadowKeysyms, + shadowMinKey, shadowMapWidth, 3); + } + } + + if (keysym == 0) + { + logTest("Poller::handleKeyboardEvent", "Null keysym. Return"); + + return; + } + + logTest("Poller::handleKeyboardEvent", "keysym [%x] [%s]", + (unsigned int)keysym, XKeysymToString(keysym)); + + if (keysym == XK_Mode_switch) + { + keysym = XK_ISO_Level3_Shift; + } + + keycode = translateKeysymToKeycode(keysym, &col); + + if (keycode == 0) + { + logTest("Poller::handleKeyboardEvent", "No keycode found for keysym [%x] [%s]. Return", + (unsigned int)keysym, XKeysymToString(keysym)); + return; + } + + logTest("Poller::handleKeyboardEvent", "keycode [%d] translated into keycode [%d]", + (int)event -> xkey.keycode, (unsigned int)keycode); + + if (event -> type == KeyPress) + { + addKeyPressed(event -> xkey.keycode, keycode); + } + + /* + * Send fake modifier events. + */ + + if (!isModifier && isShiftComb == False) + { + sendFakeModifierEvents(col, ((keysym >> 8) == 0) && (keysym >= XK_A) && (keysym <= XK_Z)); + } + +SendKeycode: + + /* + * Send the event. + */ + + XTestFakeKeyEvent(display_, keycode, isKeyPress, 0); + + /* + * Check if fake modifier events have been sent. + */ + + cancelFakeModifierEvents(); + +#else // TRANSLATE_ALWAYS + + // + // Use keysyms to translate keycodes across different + // keyboard models. Unuseful when both keyboards have + // same keycodes (e.g. both are pc keyboards). + // + + #ifdef TRANSLATE_KEYCODES + + KeyCode keycode = XKeysymToKeycode(display_, XK_A); + + if (XKeysymToKeycode(event -> xkey.display, XK_A) != keycode) + { + KeySym keysym = XKeycodeToKeysym(event -> xkey.display, event -> xkey.keycode, 0); + + if (keysym == XK_Mode_switch || keysym == XK_ISO_Level3_Shift) + { + logUser("Poller::handleKeyboardEvent: keysym [%x].\n", (unsigned int)keysym); + + if (XKeycodeToKeysym(display_, 113, 0) == XK_ISO_Level3_Shift || + (XKeycodeToKeysym(display_, 124, 0) == XK_ISO_Level3_Shift)) + { + event -> xkey.keycode = 113; + } + else + { + event -> xkey.keycode = XKeysymToKeycode(display_, XK_Mode_switch); + } + + logUser("Poller::handleKeyboardEvent: keycode translated to [%x].\n", (unsigned int)event -> xkey.keycode); + } + else + { + event -> xkey.keycode = XKeysymToKeycode(display_, keysym); + } + } + + #endif // TRANSLATE_KEYCODES + + if (event -> type == KeyPress) + { + XTestFakeKeyEvent(display_, event -> xkey.keycode, 1, 0); + } + else if (event -> type == KeyRelease) + { + XTestFakeKeyEvent(display_, event -> xkey.keycode, 0, 0); + } + +#endif // TRANSLATE_ALWAYS +} + +void Poller::handleWebKeyboardEvent(KeySym keysym, Bool isKeyPress) +{ + KeyCode keycode; + int col; + + if (masterKeysyms == NULL) + { + keymapMasterInit(); + } + + if (masterKeysyms == NULL) + { + logTest("Poller::handleWebKeyboardEvent", "Unable to initialize keymap"); + + return; + } + + keycode = translateKeysymToKeycode(keysym, &col); + + if (keycode == 0) + { + logTest("Poller::handleKeyboardEvent", "No keycode found for keysym [%x] [%s]. Return", + (unsigned int)keysym, XKeysymToString(keysym)); + return; + } + + logTest("Poller::handleKeyboardEvent", "keysym [%x] [%s] translated into keycode [%x]", + (unsigned int)keysym, XKeysymToString(keysym), (unsigned int)keycode); + + /* + * Send fake modifier events. + */ + + if (!checkModifierKeys(keysym, isKeyPress)) + { + sendFakeModifierEvents(col, False); + } + + /* + * Send the event. + */ + + XTestFakeKeyEvent(display_, keycode, isKeyPress, 0); + + /* + * Check if fake modifier events have been sent. + */ + + cancelFakeModifierEvents(); + +} + +void Poller::handleMouseEvent(Display *display, XEvent *event) +{ + if (xtestExtension_ == 0 || display_ == 0) + { + return; + } + + if (event -> type == MotionNotify) + { + XTestFakeMotionEvent(display_, 0, event -> xmotion.x, event -> xmotion.y, 0); + } + else if (event -> type == ButtonPress) + { + XTestFakeButtonEvent(display_, event -> xbutton.button, True, 0); + } + else if (event -> type == ButtonRelease) + { + XTestFakeButtonEvent(display_, event -> xbutton.button, False, 0); + } + + XFlush(display_); +} + +void Poller::setRootSize(void) +{ + width_ = WidthOfScreen(DefaultScreenOfDisplay(display_)); + height_ = HeightOfScreen(DefaultScreenOfDisplay(display_)); + depth_ = DefaultDepth(display_, DefaultScreen(display_)); + + if (depth_ == 8) bpp_ = 1; + else if (depth_ == 16) bpp_ = 2; + else bpp_ = 4; + + bpl_ = width_ * bpp_; +} + +void Poller::destroyShmImage(void) +{ + XShmDetach(display_, shminfo_); + XDestroyImage(image_); + image_ = NULL; + + shmdt(shminfo_ -> shmaddr); + shmctl(shminfo_ -> shmid, IPC_RMID, 0); + + delete shminfo_; + shminfo_ = NULL; +} + +void Poller::xtestInit(void) +{ + int eventBase; + int errorBase; + int versionMajor; + int versionMinor; + int result; + + xtestExtension_ = 0; + + result = XTestQueryExtension(display_, &eventBase, &errorBase, &versionMajor, &versionMinor); + + if (result == 0) + { + xtestExtension_ = 0; + + logWarning("Poller::xtestInit", "Failed while querying for XTEST extension."); + } + else + { + logDebug("Poller::xtestInit", "XTEST version %d.%d.", versionMajor, versionMinor); + + xtestExtension_ = 1; + } + + // + // Make this client impervious to grabs. + // + + if (xtestExtension_ == 1) + { + XTestGrabControl(display_, 1); + } +} + +void Poller::randrInit(void) +{ + int randrEventBase; + int randrErrorBase; + + if (XRRQueryExtension(display_, &randrEventBase, &randrErrorBase) == 0) + { + logWarning("Poller::randrInit", "Randr extension not supported on this " + "display."); + + randrExtension_ = 0; + + return; + } + + XRRSelectInput(display_, DefaultRootWindow(display_), + RRScreenChangeNotifyMask); + + randrEventBase_ = randrEventBase; + + randrExtension_ = 1; + + return; +} + +void Poller::damageInit(void) +{ + int damageMajorVersion = 0; + int damageMinorVersion = 0; + + int damageEventBase = 0; + int damageErrorBase = 0; + + if (damageExtension_ >= 0) + { + logDebug("Poller::damageInit", "Called with damage already initialized."); + } + + if (damageExtension_ == 0) + { + logDebug("Poller::damageInit", "Damage disabled. Skip initialization."); + + return; + } + + if (damageExtension_ < 0 && NXShadowOptions.optionDamageExtension == 0) + { + damageExtension_ = 0; + + logUser("Poller::damageInit: Disabling use of DAMAGE extension.\n"); + + return; + } + + damageExtension_ = 0; + + mirrorChanges_ = 0; + + if (XDamageQueryExtension(display_, &damageEventBase, &damageErrorBase) == 0) + { + logUser("Poller::damageInit: DAMAGE not supported.\n"); + + return; + } + #ifdef DEBUG + else + { + fprintf(stderr, "Poller::damageInit: DAMAGE supported. " + "Event base [%d] error base [%d].\n", damageEventBase, damageErrorBase); + } + #endif + + damageEventBase_ = damageEventBase; + + if (XDamageQueryVersion(display_, &damageMajorVersion, &damageMinorVersion) == 0) + { + logWarning("Poller::damageInit", "Error on querying DAMAGE version.\n"); + + damageExtension_ = 0; + + return; + } + #ifdef DEBUG + else + { + fprintf(stderr, "Poller::damageInit: DAMAGE version %d.%d.\n", + damageMajorVersion, damageMinorVersion); + } + #endif + + damage_ = XDamageCreate(display_, DefaultRootWindow(display_), XDamageReportRawRectangles); + + damageExtension_= 1; + + mirror_ = 1; + + return; +} + +void Poller::getEvents(void) +{ + XEvent X; + + if (damageExtension_ == 1) + { + XDamageSubtract(display_, damage_, None, None); + } + + XSync(display_, 0); + + while (XCheckIfEvent(display_, &X, anyEventPredicate, NULL) == 1) + { + if (randrExtension_ == 1 && (X.type == randrEventBase_ + RRScreenChangeNotify || X.type == ConfigureNotify)) + { + XRRUpdateConfiguration(&X); + + handleRRScreenChangeNotify(&X); + + continue; + } + + if (damageExtension_ == 1 && X.type == damageEventBase_ + XDamageNotify) + { + handleDamageNotify(&X); + } + } + + if (damageExtension_ == 1) + { + updateDamagedAreas(); + } + + XFlush(display_); +} + +void Poller::handleRRScreenChangeNotify(XEvent *X) +{ + return; +} + +void Poller::handleDamageNotify(XEvent *X) +{ + XDamageNotifyEvent *e = (XDamageNotifyEvent *) X; + + // + // e->drawable is the window ID of the damaged window + // e->geometry is the geometry of the damaged window + // e->area is the bounding rect for the damaged area + // e->damage is the damage handle returned by XDamageCreate() + // + + #ifdef DEBUG + fprintf(stderr, "handleDamageNotify: drawable [%d] damage [%d] geometry [%d][%d][%d][%d] area [%d][%d][%d][%d].\n", + (int) e -> drawable, (int) e -> damage, e -> geometry.x, e -> geometry.y, + e -> geometry.width, e -> geometry.height, e -> area.x, e -> area.y, + e -> area.width, e -> area.height); + #endif + + XRectangle rectangle = {e -> area.x, e -> area.y, e -> area.width, e -> area.height}; + + XUnionRectWithRegion(&rectangle, lastUpdatedRegion_, lastUpdatedRegion_); + + mirrorChanges_ = 1; + + return; +} + +void Poller::updateDamagedAreas(void) +{ + BOX *boxPtr; + + XRectangle rectangle; + + int i; + int y; + + for (i = 0; i < lastUpdatedRegion_ -> numRects; i++) + { + boxPtr = lastUpdatedRegion_ -> rects + i; + + if (shmExtension_ == 1) + { + image_ -> width = boxPtr -> x2 - boxPtr -> x1; + image_ -> height = boxPtr -> y2 - boxPtr -> y1; + image_ -> bytes_per_line = + ROUNDUP((image_ -> bits_per_pixel * image_ -> width), + image_ -> bitmap_pad); + + if (XShmGetImage(display_, DefaultRootWindow(display_), image_, + boxPtr -> x1, boxPtr -> y1, AllPlanes) == 0) + { + logDebug("Poller::updateDamagedAreas", "XShmGetImage failed!"); + + return; + } + } + else if (shmExtension_ == 0) + { + image_ = XGetImage(display_, DefaultRootWindow(display_), boxPtr -> x1, + boxPtr -> y1, boxPtr -> x2 - boxPtr -> x1, + boxPtr -> y2 - boxPtr -> y1, AllPlanes, + ZPixmap); + + if (image_ == NULL) + { + logDebug("Poller::updateDamagedAreas", "XGetImage failed!"); + + return; + } + + image_ -> width = boxPtr -> x2 - boxPtr -> x1; + image_ -> height = boxPtr -> y2 - boxPtr -> y1; + image_ -> bytes_per_line = + ROUNDUP((image_ -> bits_per_pixel * image_ -> width), + image_ -> bitmap_pad); + } + + rectangle.height = 1; + rectangle.width = image_ -> width; + rectangle.x = boxPtr -> x1; + rectangle.y = boxPtr -> y1; + + for (y = 0; y < image_ -> height; y++) + { + update(image_ -> data + y * image_ -> bytes_per_line, rectangle); + + rectangle.y++; + } + + if (shmExtension_ != 1) + { + XDestroyImage(image_); + + image_ = NULL; + } + } + + return; +} + +void Poller::getScreenSize(int *w, int *h) +{ + *w = WidthOfScreen(DefaultScreenOfDisplay(display_)); + *h = HeightOfScreen(DefaultScreenOfDisplay(display_)); +} + +void Poller::setScreenSize(int *w, int *h) +{ + setRootSize(); + + shmInitTrap = 1; + shmInit(); + shmInitTrap = 0; + + *w = width_; + *h = height_; + + logDebug("Poller::setScreenSize", "New size of screen [%d, %d]", width_, height_); +} + +int anyEventPredicate(Display *display, XEvent *event, XPointer parameter) +{ + return 1; +} + +#endif /* !defined(__CYGWIN32__) && !defined(WIN32) */ -- cgit v1.2.3