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test2/intern/ghost/intern/GHOST_SystemX11.cpp
Bastien Montagne 037df2aaa6 Fix T49303: Fix T49314: More issues with new handling of X11 shortcuts. 
This commits changes two things:
* It adds more keysyms preferably taken from XLookupKeysym than XLookupString (namely, all numpad ones).
* It falls back to keysyms from XLookupKeysym in other cases, when XLookupString does not produce anything we know of.

Finding the correct balance here is far from easy, but think we are comming rather close to it now...
2016-09-10 12:38:12 +02:00

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/*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* This program 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 program 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 program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): none yet.
*
* Part of this code has been taken from Qt, under LGPL license
* Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
*
* ***** END GPL LICENSE BLOCK *****
*/
/** \file ghost/intern/GHOST_SystemX11.cpp
* \ingroup GHOST
*/
#include <X11/Xatom.h>
#include <X11/keysym.h>
#include <X11/XKBlib.h> /* allow detectable autorepeate */
#include <X11/Xutil.h>
#include "GHOST_SystemX11.h"
#include "GHOST_WindowX11.h"
#include "GHOST_WindowManager.h"
#include "GHOST_TimerManager.h"
#include "GHOST_EventCursor.h"
#include "GHOST_EventKey.h"
#include "GHOST_EventButton.h"
#include "GHOST_EventWheel.h"
#include "GHOST_DisplayManagerX11.h"
#include "GHOST_EventDragnDrop.h"
#ifdef WITH_INPUT_NDOF
# include "GHOST_NDOFManagerUnix.h"
#endif
#ifdef WITH_XDND
# include "GHOST_DropTargetX11.h"
#endif
#include "GHOST_Debug.h"
#ifdef WITH_XF86KEYSYM
#include <X11/XF86keysym.h>
#endif
/* for XIWarpPointer */
#ifdef WITH_X11_XINPUT
# include <X11/extensions/XInput2.h>
#endif
/* For timing */
#include <sys/time.h>
#include <unistd.h>
#include <iostream>
#include <vector>
#include <stdio.h> /* for fprintf only */
#include <cstdlib> /* for exit */
/* for debugging - so we can breakpoint X11 errors */
// #define USE_X11_ERROR_HANDLERS
#ifdef WITH_X11_XINPUT
# define USE_XINPUT_HOTPLUG
#endif
/* see [#34039] Fix Alt key glitch on Unity desktop */
#define USE_UNITY_WORKAROUND
/* Fix 'shortcut' part of keyboard reading code only ever using first defined keymap instead of active one.
* See T47228 and D1746 */
#define USE_NON_LATIN_KB_WORKAROUND
static GHOST_TKey convertXKey(KeySym key);
/* these are for copy and select copy */
static char *txt_cut_buffer = NULL;
static char *txt_select_buffer = NULL;
using namespace std;
GHOST_SystemX11::
GHOST_SystemX11(
)
: GHOST_System(),
m_start_time(0)
{
m_display = XOpenDisplay(NULL);
if (!m_display) {
std::cerr << "Unable to open a display" << std::endl;
abort(); /* was return before, but this would just mean it will crash later */
}
#ifdef USE_X11_ERROR_HANDLERS
(void) XSetErrorHandler(GHOST_X11_ApplicationErrorHandler);
(void) XSetIOErrorHandler(GHOST_X11_ApplicationIOErrorHandler);
#endif
#if defined(WITH_X11_XINPUT) && defined(X_HAVE_UTF8_STRING)
/* note -- don't open connection to XIM server here, because the locale
* has to be set before opening the connection but setlocale() has not
* been called yet. the connection will be opened after entering
* the event loop. */
m_xim = NULL;
#endif
#define GHOST_INTERN_ATOM_IF_EXISTS(atom) { m_atom.atom = XInternAtom(m_display, #atom , True); } (void)0
#define GHOST_INTERN_ATOM(atom) { m_atom.atom = XInternAtom(m_display, #atom , False); } (void)0
GHOST_INTERN_ATOM_IF_EXISTS(WM_DELETE_WINDOW);
GHOST_INTERN_ATOM(WM_PROTOCOLS);
GHOST_INTERN_ATOM(WM_TAKE_FOCUS);
GHOST_INTERN_ATOM(WM_STATE);
GHOST_INTERN_ATOM(WM_CHANGE_STATE);
GHOST_INTERN_ATOM(_NET_WM_STATE);
GHOST_INTERN_ATOM(_NET_WM_STATE_MAXIMIZED_HORZ);
GHOST_INTERN_ATOM(_NET_WM_STATE_MAXIMIZED_VERT);
GHOST_INTERN_ATOM(_NET_WM_STATE_FULLSCREEN);
GHOST_INTERN_ATOM(_MOTIF_WM_HINTS);
GHOST_INTERN_ATOM(TARGETS);
GHOST_INTERN_ATOM(STRING);
GHOST_INTERN_ATOM(COMPOUND_TEXT);
GHOST_INTERN_ATOM(TEXT);
GHOST_INTERN_ATOM(CLIPBOARD);
GHOST_INTERN_ATOM(PRIMARY);
GHOST_INTERN_ATOM(XCLIP_OUT);
GHOST_INTERN_ATOM(INCR);
GHOST_INTERN_ATOM(UTF8_STRING);
#ifdef WITH_X11_XINPUT
m_atom.TABLET = XInternAtom(m_display, XI_TABLET, False);
#endif
#undef GHOST_INTERN_ATOM_IF_EXISTS
#undef GHOST_INTERN_ATOM
m_last_warp = 0;
m_last_release_keycode = 0;
m_last_release_time = 0;
/* compute the initial time */
timeval tv;
if (gettimeofday(&tv, NULL) == -1) {
GHOST_ASSERT(false, "Could not instantiate timer!");
}
/* Taking care not to overflow the tv.tv_sec * 1000 */
m_start_time = GHOST_TUns64(tv.tv_sec) * 1000 + tv.tv_usec / 1000;
/* use detectable autorepeate, mac and windows also do this */
int use_xkb;
int xkb_opcode, xkb_event, xkb_error;
int xkb_major = XkbMajorVersion, xkb_minor = XkbMinorVersion;
use_xkb = XkbQueryExtension(m_display, &xkb_opcode, &xkb_event, &xkb_error, &xkb_major, &xkb_minor);
if (use_xkb) {
XkbSetDetectableAutoRepeat(m_display, true, NULL);
}
#ifdef WITH_X11_XINPUT
/* detect if we have xinput (for reuse) */
{
memset(&m_xinput_version, 0, sizeof(m_xinput_version));
XExtensionVersion *version = XGetExtensionVersion(m_display, INAME);
if (version && (version != (XExtensionVersion *)NoSuchExtension)) {
if (version->present) {
m_xinput_version = *version;
}
XFree(version);
}
}
#ifdef USE_XINPUT_HOTPLUG
if (m_xinput_version.present) {
XEventClass class_presence;
int xi_presence;
DevicePresence(m_display, xi_presence, class_presence);
XSelectExtensionEvent(
m_display,
RootWindow(m_display, DefaultScreen(m_display)),
&class_presence, 1);
(void)xi_presence;
}
#endif /* USE_XINPUT_HOTPLUG */
/* initialize incase X11 fails to load */
memset(&m_xtablet, 0, sizeof(m_xtablet));
refreshXInputDevices();
#endif /* WITH_X11_XINPUT */
}
GHOST_SystemX11::
~GHOST_SystemX11()
{
#if defined(WITH_X11_XINPUT) && defined(X_HAVE_UTF8_STRING)
if (m_xim) {
XCloseIM(m_xim);
}
#endif
#ifdef WITH_X11_XINPUT
/* close tablet devices */
if (m_xtablet.StylusDevice)
XCloseDevice(m_display, m_xtablet.StylusDevice);
if (m_xtablet.EraserDevice)
XCloseDevice(m_display, m_xtablet.EraserDevice);
#endif /* WITH_X11_XINPUT */
XCloseDisplay(m_display);
}
GHOST_TSuccess
GHOST_SystemX11::
init()
{
GHOST_TSuccess success = GHOST_System::init();
if (success) {
#ifdef WITH_INPUT_NDOF
m_ndofManager = new GHOST_NDOFManagerUnix(*this);
#endif
m_displayManager = new GHOST_DisplayManagerX11(this);
if (m_displayManager) {
return GHOST_kSuccess;
}
}
return GHOST_kFailure;
}
GHOST_TUns64
GHOST_SystemX11::
getMilliSeconds() const
{
timeval tv;
if (gettimeofday(&tv, NULL) == -1) {
GHOST_ASSERT(false, "Could not compute time!");
}
/* Taking care not to overflow the tv.tv_sec * 1000 */
return GHOST_TUns64(tv.tv_sec) * 1000 + tv.tv_usec / 1000 - m_start_time;
}
GHOST_TUns8
GHOST_SystemX11::
getNumDisplays() const
{
return GHOST_TUns8(1);
}
/**
* Returns the dimensions of the main display on this system.
* \return The dimension of the main display.
*/
void
GHOST_SystemX11::
getMainDisplayDimensions(
GHOST_TUns32& width,
GHOST_TUns32& height) const
{
if (m_display) {
/* note, for this to work as documented,
* we would need to use Xinerama check r54370 for code that did this,
* we've since removed since its not worth the extra dep - campbell */
getAllDisplayDimensions(width, height);
}
}
/**
* Returns the dimensions of the main display on this system.
* \return The dimension of the main display.
*/
void
GHOST_SystemX11::
getAllDisplayDimensions(
GHOST_TUns32& width,
GHOST_TUns32& height) const
{
if (m_display) {
width = DisplayWidth(m_display, DefaultScreen(m_display));
height = DisplayHeight(m_display, DefaultScreen(m_display));
}
}
/**
* Create a new window.
* The new window is added to the list of windows managed.
* Never explicitly delete the window, use disposeWindow() instead.
* \param title The name of the window (displayed in the title bar of the window if the OS supports it).
* \param left The coordinate of the left edge of the window.
* \param top The coordinate of the top edge of the window.
* \param width The width the window.
* \param height The height the window.
* \param state The state of the window when opened.
* \param type The type of drawing context installed in this window.
* \param glSettings: Misc OpenGL settings.
* \param exclusive: Use to show the window ontop and ignore others (used fullscreen).
* \param parentWindow Parent (embedder) window
* \return The new window (or 0 if creation failed).
*/
GHOST_IWindow *
GHOST_SystemX11::
createWindow(const STR_String& title,
GHOST_TInt32 left,
GHOST_TInt32 top,
GHOST_TUns32 width,
GHOST_TUns32 height,
GHOST_TWindowState state,
GHOST_TDrawingContextType type,
GHOST_GLSettings glSettings,
const bool exclusive,
const GHOST_TEmbedderWindowID parentWindow)
{
GHOST_WindowX11 *window = NULL;
if (!m_display) return 0;
window = new GHOST_WindowX11(this, m_display, title,
left, top, width, height,
state, parentWindow, type,
((glSettings.flags & GHOST_glStereoVisual) != 0), exclusive,
((glSettings.flags & GHOST_glAlphaBackground) != 0),
glSettings.numOfAASamples, (glSettings.flags & GHOST_glDebugContext) != 0);
if (window) {
/* Both are now handle in GHOST_WindowX11.cpp
* Focus and Delete atoms. */
if (window->getValid()) {
/* Store the pointer to the window */
m_windowManager->addWindow(window);
m_windowManager->setActiveWindow(window);
pushEvent(new GHOST_Event(getMilliSeconds(), GHOST_kEventWindowSize, window) );
}
else {
delete window;
window = NULL;
}
}
return window;
}
#if defined(WITH_X11_XINPUT) && defined(X_HAVE_UTF8_STRING)
static void destroyIMCallback(XIM /*xim*/, XPointer ptr, XPointer /*data*/)
{
GHOST_PRINT("XIM server died\n");
if (ptr)
*(XIM *)ptr = NULL;
}
bool GHOST_SystemX11::openX11_IM()
{
if (!m_display)
return false;
/* set locale modifiers such as "@im=ibus" specified by XMODIFIERS */
XSetLocaleModifiers("");
m_xim = XOpenIM(m_display, NULL, (char *)GHOST_X11_RES_NAME, (char *)GHOST_X11_RES_CLASS);
if (!m_xim)
return false;
XIMCallback destroy;
destroy.callback = (XIMProc)destroyIMCallback;
destroy.client_data = (XPointer)&m_xim;
XSetIMValues(m_xim, XNDestroyCallback, &destroy, NULL);
return true;
}
#endif
GHOST_WindowX11 *
GHOST_SystemX11::
findGhostWindow(
Window xwind) const
{
if (xwind == 0) return NULL;
/* It is not entirely safe to do this as the backptr may point
* to a window that has recently been removed.
* We should always check the window manager's list of windows
* and only process events on these windows. */
vector<GHOST_IWindow *> & win_vec = m_windowManager->getWindows();
vector<GHOST_IWindow *>::iterator win_it = win_vec.begin();
vector<GHOST_IWindow *>::const_iterator win_end = win_vec.end();
for (; win_it != win_end; ++win_it) {
GHOST_WindowX11 *window = static_cast<GHOST_WindowX11 *>(*win_it);
if (window->getXWindow() == xwind) {
return window;
}
}
return NULL;
}
static void SleepTillEvent(Display *display, GHOST_TInt64 maxSleep)
{
int fd = ConnectionNumber(display);
fd_set fds;
FD_ZERO(&fds);
FD_SET(fd, &fds);
if (maxSleep == -1) {
select(fd + 1, &fds, NULL, NULL, NULL);
}
else {
timeval tv;
tv.tv_sec = maxSleep / 1000;
tv.tv_usec = (maxSleep - tv.tv_sec * 1000) * 1000;
select(fd + 1, &fds, NULL, NULL, &tv);
}
}
/* This function borrowed from Qt's X11 support
* qclipboard_x11.cpp
* */
struct init_timestamp_data {
Time timestamp;
};
static Bool init_timestamp_scanner(Display *, XEvent *event, XPointer arg)
{
init_timestamp_data *data =
reinterpret_cast<init_timestamp_data *>(arg);
switch (event->type) {
case ButtonPress:
case ButtonRelease:
data->timestamp = event->xbutton.time;
break;
case MotionNotify:
data->timestamp = event->xmotion.time;
break;
case KeyPress:
case KeyRelease:
data->timestamp = event->xkey.time;
break;
case PropertyNotify:
data->timestamp = event->xproperty.time;
break;
case EnterNotify:
case LeaveNotify:
data->timestamp = event->xcrossing.time;
break;
case SelectionClear:
data->timestamp = event->xselectionclear.time;
break;
default:
break;
}
return false;
}
Time
GHOST_SystemX11::
lastEventTime(Time default_time) {
init_timestamp_data data;
data.timestamp = default_time;
XEvent ev;
XCheckIfEvent(m_display, &ev, &init_timestamp_scanner, (XPointer) & data);
return data.timestamp;
}
bool
GHOST_SystemX11::
processEvents(
bool waitForEvent)
{
/* Get all the current events -- translate them into
* ghost events and call base class pushEvent() method. */
bool anyProcessed = false;
do {
GHOST_TimerManager *timerMgr = getTimerManager();
if (waitForEvent && m_dirty_windows.empty() && !XPending(m_display)) {
GHOST_TUns64 next = timerMgr->nextFireTime();
if (next == GHOST_kFireTimeNever) {
SleepTillEvent(m_display, -1);
}
else {
GHOST_TInt64 maxSleep = next - getMilliSeconds();
if (maxSleep >= 0)
SleepTillEvent(m_display, next - getMilliSeconds());
}
}
if (timerMgr->fireTimers(getMilliSeconds())) {
anyProcessed = true;
}
while (XPending(m_display)) {
XEvent xevent;
XNextEvent(m_display, &xevent);
#if defined(WITH_X11_XINPUT) && defined(X_HAVE_UTF8_STRING)
/* open connection to XIM server and create input context (XIC)
* when receiving the first FocusIn or KeyPress event after startup,
* or recover XIM and XIC when the XIM server has been restarted */
if (xevent.type == FocusIn || xevent.type == KeyPress) {
if (!m_xim && openX11_IM()) {
GHOST_PRINT("Connected to XIM server\n");
}
if (m_xim) {
GHOST_WindowX11 * window = findGhostWindow(xevent.xany.window);
if (window && !window->getX11_XIC() && window->createX11_XIC()) {
GHOST_PRINT("XIM input context created\n");
if (xevent.type == KeyPress)
/* we can assume the window has input focus
* here, because key events are received only
* when the window is focused. */
XSetICFocus(window->getX11_XIC());
}
}
}
/* dispatch event to XIM server */
if ((XFilterEvent(&xevent, (Window)NULL) == True) && (xevent.type != KeyRelease)) {
/* do nothing now, the event is consumed by XIM.
* however, KeyRelease event should be processed
* here, otherwise modifiers remain activated. */
continue;
}
#endif
/* when using autorepeat, some keypress events can actually come *after* the
* last keyrelease. The next code takes care of that */
if (xevent.type == KeyRelease) {
m_last_release_keycode = xevent.xkey.keycode;
m_last_release_time = xevent.xkey.time;
}
else if (xevent.type == KeyPress) {
if ((xevent.xkey.keycode == m_last_release_keycode) && ((xevent.xkey.time <= m_last_release_time)))
continue;
}
processEvent(&xevent);
anyProcessed = true;
#ifdef USE_UNITY_WORKAROUND
/* note: processEvent() can't include this code because
* KeymapNotify event have no valid window information. */
/* the X server generates KeymapNotify event immediately after
* every EnterNotify and FocusIn event. we handle this event
* to correct modifier states. */
if (xevent.type == FocusIn) {
/* use previous event's window, because KeymapNotify event
* has no window information. */
GHOST_WindowX11 *window = findGhostWindow(xevent.xany.window);
if (window && XPending(m_display) >= 2) {
XNextEvent(m_display, &xevent);
if (xevent.type == KeymapNotify) {
XEvent xev_next;
/* check if KeyPress or KeyRelease event was generated
* in order to confirm the window is active. */
XPeekEvent(m_display, &xev_next);
if (xev_next.type == KeyPress || xev_next.type == KeyRelease) {
/* XK_Hyper_L/R currently unused */
const static KeySym modifiers[8] = {XK_Shift_L, XK_Shift_R,
XK_Control_L, XK_Control_R,
XK_Alt_L, XK_Alt_R,
XK_Super_L, XK_Super_R};
for (int i = 0; i < (sizeof(modifiers) / sizeof(*modifiers)); i++) {
KeyCode kc = XKeysymToKeycode(m_display, modifiers[i]);
if (((xevent.xkeymap.key_vector[kc >> 3] >> (kc & 7)) & 1) != 0) {
pushEvent(new GHOST_EventKey(
getMilliSeconds(),
GHOST_kEventKeyDown,
window,
convertXKey(modifiers[i]),
'\0',
NULL));
}
}
}
}
}
}
#endif /* USE_UNITY_WORKAROUND */
}
if (generateWindowExposeEvents()) {
anyProcessed = true;
}
#ifdef WITH_INPUT_NDOF
if (static_cast<GHOST_NDOFManagerUnix *>(m_ndofManager)->processEvents()) {
anyProcessed = true;
}
#endif
} while (waitForEvent && !anyProcessed);
return anyProcessed;
}
#ifdef WITH_X11_XINPUT
/* set currently using tablet mode (stylus or eraser) depending on device ID */
static void setTabletMode(GHOST_SystemX11 *system, GHOST_WindowX11 *window, XID deviceid)
{
if (deviceid == system->GetXTablet().StylusID)
window->GetTabletData()->Active = GHOST_kTabletModeStylus;
else if (deviceid == system->GetXTablet().EraserID)
window->GetTabletData()->Active = GHOST_kTabletModeEraser;
}
#endif /* WITH_X11_XINPUT */
#ifdef WITH_X11_XINPUT
static bool checkTabletProximity(Display *display, XDevice *device)
{
/* we could have true/false/not-found return value, but for now false is OK */
/* see: state.c from xinput, to get more data out of the device */
XDeviceState *state;
if (device == NULL) {
return false;
}
/* needed since unplugging will abort() without this */
GHOST_X11_ERROR_HANDLERS_OVERRIDE(handler_store);
state = XQueryDeviceState(display, device);
GHOST_X11_ERROR_HANDLERS_RESTORE(handler_store);
if (state) {
XInputClass *cls = state->data;
// printf("%d class%s :\n", state->num_classes,
// (state->num_classes > 1) ? "es" : "");
for (int loop = 0; loop < state->num_classes; loop++) {
switch (cls->c_class) {
case ValuatorClass:
XValuatorState *val_state = (XValuatorState *)cls;
// printf("ValuatorClass Mode=%s Proximity=%s\n",
// val_state->mode & 1 ? "Absolute" : "Relative",
// val_state->mode & 2 ? "Out" : "In");
if ((val_state->mode & 2) == 0) {
XFreeDeviceState(state);
return true;
}
break;
}
cls = (XInputClass *) ((char *)cls + cls->length);
}
XFreeDeviceState(state);
}
return false;
}
#endif /* WITH_X11_XINPUT */
void
GHOST_SystemX11::processEvent(XEvent *xe)
{
GHOST_WindowX11 *window = findGhostWindow(xe->xany.window);
GHOST_Event *g_event = NULL;
#ifdef USE_XINPUT_HOTPLUG
/* Hot-Plug support */
if (m_xinput_version.present) {
XEventClass class_presence;
int xi_presence;
DevicePresence(m_display, xi_presence, class_presence);
(void)class_presence;
if (xe->type == xi_presence) {
XDevicePresenceNotifyEvent *notify_event = (XDevicePresenceNotifyEvent *)xe;
if ((notify_event->devchange == DeviceEnabled) ||
(notify_event->devchange == DeviceDisabled) ||
(notify_event->devchange == DeviceAdded) ||
(notify_event->devchange == DeviceRemoved))
{
refreshXInputDevices();
/* update all window events */
{
vector<GHOST_IWindow *> & win_vec = m_windowManager->getWindows();
vector<GHOST_IWindow *>::iterator win_it = win_vec.begin();
vector<GHOST_IWindow *>::const_iterator win_end = win_vec.end();
for (; win_it != win_end; ++win_it) {
GHOST_WindowX11 *window = static_cast<GHOST_WindowX11 *>(*win_it);
window->refreshXInputDevices();
}
}
}
}
}
#endif /* USE_XINPUT_HOTPLUG */
if (!window) {
return;
}
#ifdef WITH_X11_XINPUT
/* Proximity-Out Events are not reliable, if the tablet is active - check on each event
* this adds a little overhead but only while the tablet is in use.
* in the future we could have a ghost call window->CheckTabletProximity()
* but for now enough parts of the code are checking 'Active'
* - campbell */
if (window->GetTabletData()->Active != GHOST_kTabletModeNone) {
if (checkTabletProximity(xe->xany.display, m_xtablet.StylusDevice) == false &&
checkTabletProximity(xe->xany.display, m_xtablet.EraserDevice) == false)
{
// printf("proximity disable\n");
window->GetTabletData()->Active = GHOST_kTabletModeNone;
}
}
#endif /* WITH_X11_XINPUT */
switch (xe->type) {
case Expose:
{
XExposeEvent & xee = xe->xexpose;
if (xee.count == 0) {
/* Only generate a single expose event
* per read of the event queue. */
g_event = new
GHOST_Event(
getMilliSeconds(),
GHOST_kEventWindowUpdate,
window
);
}
break;
}
case MotionNotify:
{
XMotionEvent &xme = xe->xmotion;
#ifdef WITH_X11_XINPUT
bool is_tablet = window->GetTabletData()->Active != GHOST_kTabletModeNone;
#else
bool is_tablet = false;
#endif
if (is_tablet == false && window->getCursorGrabModeIsWarp()) {
GHOST_TInt32 x_new = xme.x_root;
GHOST_TInt32 y_new = xme.y_root;
GHOST_TInt32 x_accum, y_accum;
GHOST_Rect bounds;
/* fallback to window bounds */
if (window->getCursorGrabBounds(bounds) == GHOST_kFailure)
window->getClientBounds(bounds);
/* could also clamp to screen bounds
* wrap with a window outside the view will fail atm */
bounds.wrapPoint(x_new, y_new, 8); /* offset of one incase blender is at screen bounds */
window->getCursorGrabAccum(x_accum, y_accum);
if (x_new != xme.x_root || y_new != xme.y_root) {
if (xme.time > m_last_warp) {
/* when wrapping we don't need to add an event because the
* setCursorPosition call will cause a new event after */
setCursorPosition(x_new, y_new); /* wrap */
window->setCursorGrabAccum(x_accum + (xme.x_root - x_new), y_accum + (xme.y_root - y_new));
m_last_warp = lastEventTime(xme.time);
}
else {
setCursorPosition(x_new, y_new); /* wrap but don't accumulate */
}
}
else {
g_event = new
GHOST_EventCursor(
getMilliSeconds(),
GHOST_kEventCursorMove,
window,
xme.x_root + x_accum,
xme.y_root + y_accum
);
}
}
else {
g_event = new
GHOST_EventCursor(
getMilliSeconds(),
GHOST_kEventCursorMove,
window,
xme.x_root,
xme.y_root
);
}
break;
}
case KeyPress:
case KeyRelease:
{
XKeyEvent *xke = &(xe->xkey);
KeySym key_sym;
KeySym key_sym_str;
char ascii;
#if defined(WITH_X11_XINPUT) && defined(X_HAVE_UTF8_STRING)
/* utf8_array[] is initial buffer used for Xutf8LookupString().
* if the length of the utf8 string exceeds this array, allocate
* another memory area and call Xutf8LookupString() again.
* the last 5 bytes are used to avoid segfault that might happen
* at the end of this buffer when the constructor of GHOST_EventKey
* reads 6 bytes regardless of the effective data length. */
char utf8_array[16 * 6 + 5]; /* 16 utf8 characters */
char *utf8_buf = utf8_array;
int len = 1; /* at least one null character will be stored */
#else
char *utf8_buf = NULL;
#endif
GHOST_TEventType type = (xke->type == KeyPress) ? GHOST_kEventKeyDown : GHOST_kEventKeyUp;
GHOST_TKey gkey;
#ifdef USE_NON_LATIN_KB_WORKAROUND
/* XXX Code below is kinda awfully convoluted... Issues are:
*
* - In keyboards like latin ones, numbers need a 'Shift' to be accessed but key_sym
* is unmodified (or anyone swapping the keys with xmodmap).
*
* - XLookupKeysym seems to always use first defined keymap (see T47228), which generates
* keycodes unusable by convertXKey for non-latin-compatible keymaps.
*
* To address this, we:
*
* - Try to get a 'number' key_sym using XLookupKeysym (with virtual shift modifier),
* in a very restrictive set of cases.
* - Fallback to XLookupString to get a key_sym from active user-defined keymap.
*
* Note that:
* - This effectively 'lock' main number keys to always output number events (except when using alt-gr).
* - This enforces users to use an ascii-compatible keymap with Blender - but at least it gives
* predictable and consistent results.
*
* Also, note that nothing in XLib sources [1] makes it obvious why those two functions give different
* key_sym results...
*
* [1] http://cgit.freedesktop.org/xorg/lib/libX11/tree/src/KeyBind.c
*/
/* Mode_switch 'modifier' is AltGr - when this one or Shift are enabled, we do not want to apply
* that 'forced number' hack. */
const unsigned int mode_switch_mask = XkbKeysymToModifiers(xke->display, XK_Mode_switch);
const unsigned int number_hack_forbidden_kmods_mask = mode_switch_mask | ShiftMask;
if ((xke->keycode >= 10 && xke->keycode < 20) && ((xke->state & number_hack_forbidden_kmods_mask) == 0)) {
key_sym = XLookupKeysym(xke, ShiftMask);
if (!((key_sym >= XK_0) && (key_sym <= XK_9))) {
key_sym = XLookupKeysym(xke, 0);
}
}
else {
key_sym = XLookupKeysym(xke, 0);
}
if (!XLookupString(xke, &ascii, 1, &key_sym_str, NULL)) {
ascii = '\0';
}
/* Only allow a limited set of keys from XLookupKeysym, all others we take from XLookupString,
* unless it gives unknown key... */
gkey = convertXKey(key_sym);
switch (gkey) {
case GHOST_kKeyRightAlt:
case GHOST_kKeyLeftAlt:
case GHOST_kKeyRightShift:
case GHOST_kKeyLeftShift:
case GHOST_kKeyRightControl:
case GHOST_kKeyLeftControl:
case GHOST_kKeyOS:
case GHOST_kKey0:
case GHOST_kKey1:
case GHOST_kKey2:
case GHOST_kKey3:
case GHOST_kKey4:
case GHOST_kKey5:
case GHOST_kKey6:
case GHOST_kKey7:
case GHOST_kKey8:
case GHOST_kKey9:
case GHOST_kKeyNumpad0:
case GHOST_kKeyNumpad1:
case GHOST_kKeyNumpad2:
case GHOST_kKeyNumpad3:
case GHOST_kKeyNumpad4:
case GHOST_kKeyNumpad5:
case GHOST_kKeyNumpad6:
case GHOST_kKeyNumpad7:
case GHOST_kKeyNumpad8:
case GHOST_kKeyNumpad9:
case GHOST_kKeyNumpadPeriod:
case GHOST_kKeyNumpadEnter:
case GHOST_kKeyNumpadPlus:
case GHOST_kKeyNumpadMinus:
case GHOST_kKeyNumpadAsterisk:
case GHOST_kKeyNumpadSlash:
break;
default:
GHOST_TKey gkey_str = convertXKey(key_sym_str);
if (gkey_str != GHOST_kKeyUnknown) {
gkey = gkey_str;
}
}
#else
/* In keyboards like latin ones,
* numbers needs a 'Shift' to be accessed but key_sym
* is unmodified (or anyone swapping the keys with xmodmap).
*
* Here we look at the 'Shifted' version of the key.
* If it is a number, then we take it instead of the normal key.
*
* The modified key is sent in the 'ascii's variable anyway.
*/
if ((xke->keycode >= 10 && xke->keycode < 20) &&
((key_sym = XLookupKeysym(xke, ShiftMask)) >= XK_0) && (key_sym <= XK_9))
{
/* pass (keep shift'ed key_sym) */
}
else {
/* regular case */
key_sym = XLookupKeysym(xke, 0);
}
gkey = convertXKey(key_sym);
if (!XLookupString(xke, &ascii, 1, NULL, NULL)) {
ascii = '\0';
}
#endif
#if defined(WITH_X11_XINPUT) && defined(X_HAVE_UTF8_STRING)
/* getting unicode on key-up events gives XLookupNone status */
XIC xic = window->getX11_XIC();
if (xic && xke->type == KeyPress) {
Status status;
/* use utf8 because its not locale depentant, from xorg docs */
if (!(len = Xutf8LookupString(xic, xke, utf8_buf, sizeof(utf8_array) - 5, &key_sym, &status))) {
utf8_buf[0] = '\0';
}
if (status == XBufferOverflow) {
utf8_buf = (char *) malloc(len + 5);
len = Xutf8LookupString(xic, xke, utf8_buf, len, &key_sym, &status);
}
if ((status == XLookupChars || status == XLookupBoth)) {
if ((unsigned char)utf8_buf[0] >= 32) { /* not an ascii control character */
/* do nothing for now, this is valid utf8 */
}
else {
utf8_buf[0] = '\0';
}
}
else if (status == XLookupKeySym) {
/* this key doesn't have a text representation, it is a command
* key of some sort */;
}
else {
printf("Bad keycode lookup. Keysym 0x%x Status: %s\n",
(unsigned int) key_sym,
(status == XLookupNone ? "XLookupNone" :
status == XLookupKeySym ? "XLookupKeySym" :
"Unknown status"));
printf("'%.*s' %p %p\n", len, utf8_buf, xic, m_xim);
}
}
else {
utf8_buf[0] = '\0';
}
#endif
g_event = new
GHOST_EventKey(
getMilliSeconds(),
type,
window,
gkey,
ascii,
utf8_buf
);
#if defined(WITH_X11_XINPUT) && defined(X_HAVE_UTF8_STRING)
/* when using IM for some languages such as Japanese,
* one event inserts multiple utf8 characters */
if (xic && xke->type == KeyPress) {
unsigned char c;
int i = 0;
while (1) {
/* search character boundary */
if ((unsigned char)utf8_buf[i++] > 0x7f) {
for (; i < len; ++i) {
c = utf8_buf[i];
if (c < 0x80 || c > 0xbf) break;
}
}
if (i >= len) break;
/* enqueue previous character */
pushEvent(g_event);
g_event = new
GHOST_EventKey(
getMilliSeconds(),
type,
window,
gkey,
'\0',
&utf8_buf[i]
);
}
}
if (utf8_buf != utf8_array)
free(utf8_buf);
#endif
break;
}
case ButtonPress:
case ButtonRelease:
{
XButtonEvent & xbe = xe->xbutton;
GHOST_TButtonMask gbmask = GHOST_kButtonMaskLeft;
GHOST_TEventType type = (xbe.type == ButtonPress) ?
GHOST_kEventButtonDown : GHOST_kEventButtonUp;
/* process wheel mouse events and break, only pass on press events */
if (xbe.button == Button4) {
if (xbe.type == ButtonPress)
g_event = new GHOST_EventWheel(getMilliSeconds(), window, 1);
break;
}
else if (xbe.button == Button5) {
if (xbe.type == ButtonPress)
g_event = new GHOST_EventWheel(getMilliSeconds(), window, -1);
break;
}
/* process rest of normal mouse buttons */
if (xbe.button == Button1)
gbmask = GHOST_kButtonMaskLeft;
else if (xbe.button == Button2)
gbmask = GHOST_kButtonMaskMiddle;
else if (xbe.button == Button3)
gbmask = GHOST_kButtonMaskRight;
/* It seems events 6 and 7 are for horizontal scrolling.
* you can re-order button mapping like this... (swaps 6,7 with 8,9)
* xmodmap -e "pointer = 1 2 3 4 5 8 9 6 7"
*/
else if (xbe.button == 6)
gbmask = GHOST_kButtonMaskButton6;
else if (xbe.button == 7)
gbmask = GHOST_kButtonMaskButton7;
else if (xbe.button == 8)
gbmask = GHOST_kButtonMaskButton4;
else if (xbe.button == 9)
gbmask = GHOST_kButtonMaskButton5;
else
break;
g_event = new
GHOST_EventButton(
getMilliSeconds(),
type,
window,
gbmask
);
break;
}
/* change of size, border, layer etc. */
case ConfigureNotify:
{
/* XConfigureEvent & xce = xe->xconfigure; */
g_event = new
GHOST_Event(
getMilliSeconds(),
GHOST_kEventWindowSize,
window
);
break;
}
case FocusIn:
case FocusOut:
{
XFocusChangeEvent &xfe = xe->xfocus;
/* TODO: make sure this is the correct place for activate/deactivate */
// printf("X: focus %s for window %d\n", xfe.type == FocusIn ? "in" : "out", (int) xfe.window);
/* May have to look at the type of event and filter some out. */
GHOST_TEventType gtype = (xfe.type == FocusIn) ?
GHOST_kEventWindowActivate : GHOST_kEventWindowDeactivate;
#if defined(WITH_X11_XINPUT) && defined(X_HAVE_UTF8_STRING)
XIC xic = window->getX11_XIC();
if (xic) {
if (xe->type == FocusIn)
XSetICFocus(xic);
else
XUnsetICFocus(xic);
}
#endif
g_event = new
GHOST_Event(
getMilliSeconds(),
gtype,
window
);
break;
}
case ClientMessage:
{
XClientMessageEvent & xcme = xe->xclient;
if (((Atom)xcme.data.l[0]) == m_atom.WM_DELETE_WINDOW) {
g_event = new
GHOST_Event(
getMilliSeconds(),
GHOST_kEventWindowClose,
window
);
}
else if (((Atom)xcme.data.l[0]) == m_atom.WM_TAKE_FOCUS) {
XWindowAttributes attr;
Window fwin;
int revert_to;
/* as ICCCM say, we need reply this event
* with a SetInputFocus, the data[1] have
* the valid timestamp (send by the wm).
*
* Some WM send this event before the
* window is really mapped (for example
* change from virtual desktop), so we need
* to be sure that our windows is mapped
* or this call fail and close blender.
*/
if (XGetWindowAttributes(m_display, xcme.window, &attr) == True) {
if (XGetInputFocus(m_display, &fwin, &revert_to) == True) {
if (attr.map_state == IsViewable) {
if (fwin != xcme.window)
XSetInputFocus(m_display, xcme.window, RevertToParent, xcme.data.l[1]);
}
}
}
}
else {
#ifdef WITH_XDND
/* try to handle drag event (if there's no such events, GHOST_HandleClientMessage will return zero) */
if (window->getDropTarget()->GHOST_HandleClientMessage(xe) == false) {
/* Unknown client message, ignore */
}
#else
/* Unknown client message, ignore */
#endif
}
break;
}
case DestroyNotify:
::exit(-1);
/* We're not interested in the following things.(yet...) */
case NoExpose:
case GraphicsExpose:
break;
case EnterNotify:
case LeaveNotify:
{
/* XCrossingEvents pointer leave enter window.
* also do cursor move here, MotionNotify only
* happens when motion starts & ends inside window.
* we only do moves when the crossing mode is 'normal'
* (really crossing between windows) since some windowmanagers
* also send grab/ungrab crossings for mousewheel events.
*/
XCrossingEvent &xce = xe->xcrossing;
if (xce.mode == NotifyNormal) {
g_event = new
GHOST_EventCursor(
getMilliSeconds(),
GHOST_kEventCursorMove,
window,
xce.x_root,
xce.y_root
);
}
// printf("X: %s window %d\n", xce.type == EnterNotify ? "entering" : "leaving", (int) xce.window);
if (xce.type == EnterNotify)
m_windowManager->setActiveWindow(window);
else
m_windowManager->setWindowInactive(window);
break;
}
case MapNotify:
/*
* From ICCCM:
* [ Clients can select for StructureNotify on their
* top-level windows to track transition between
* Normal and Iconic states. Receipt of a MapNotify
* event will indicate a transition to the Normal
* state, and receipt of an UnmapNotify event will
* indicate a transition to the Iconic state. ]
*/
if (window->m_post_init == True) {
/*
* Now we are sure that the window is
* mapped, so only need change the state.
*/
window->setState(window->m_post_state);
window->m_post_init = False;
}
break;
case UnmapNotify:
break;
case MappingNotify:
case ReparentNotify:
break;
case SelectionRequest:
{
XEvent nxe;
Atom target, utf8_string, string, compound_text, c_string;
XSelectionRequestEvent *xse = &xe->xselectionrequest;
target = XInternAtom(m_display, "TARGETS", False);
utf8_string = XInternAtom(m_display, "UTF8_STRING", False);
string = XInternAtom(m_display, "STRING", False);
compound_text = XInternAtom(m_display, "COMPOUND_TEXT", False);
c_string = XInternAtom(m_display, "C_STRING", False);
/* support obsolete clients */
if (xse->property == None) {
xse->property = xse->target;
}
nxe.xselection.type = SelectionNotify;
nxe.xselection.requestor = xse->requestor;
nxe.xselection.property = xse->property;
nxe.xselection.display = xse->display;
nxe.xselection.selection = xse->selection;
nxe.xselection.target = xse->target;
nxe.xselection.time = xse->time;
/* Check to see if the requestor is asking for String */
if (xse->target == utf8_string ||
xse->target == string ||
xse->target == compound_text ||
xse->target == c_string)
{
if (xse->selection == XInternAtom(m_display, "PRIMARY", False)) {
XChangeProperty(m_display, xse->requestor, xse->property, xse->target, 8, PropModeReplace,
(unsigned char *)txt_select_buffer, strlen(txt_select_buffer));
}
else if (xse->selection == XInternAtom(m_display, "CLIPBOARD", False)) {
XChangeProperty(m_display, xse->requestor, xse->property, xse->target, 8, PropModeReplace,
(unsigned char *)txt_cut_buffer, strlen(txt_cut_buffer));
}
}
else if (xse->target == target) {
Atom alist[5];
alist[0] = target;
alist[1] = utf8_string;
alist[2] = string;
alist[3] = compound_text;
alist[4] = c_string;
XChangeProperty(m_display, xse->requestor, xse->property, xse->target, 32, PropModeReplace,
(unsigned char *)alist, 5);
XFlush(m_display);
}
else {
/* Change property to None because we do not support anything but STRING */
nxe.xselection.property = None;
}
/* Send the event to the client 0 0 == False, SelectionNotify */
XSendEvent(m_display, xse->requestor, 0, 0, &nxe);
XFlush(m_display);
break;
}
default:
{
#ifdef WITH_X11_XINPUT
if (xe->type == m_xtablet.MotionEvent ||
xe->type == m_xtablet.MotionEventEraser ||
xe->type == m_xtablet.PressEvent ||
xe->type == m_xtablet.PressEventEraser)
{
XDeviceMotionEvent *data = (XDeviceMotionEvent *)xe;
const unsigned char axis_first = data->first_axis;
const unsigned char axes_end = axis_first + data->axes_count; /* after the last */
int axis_value;
/* stroke might begin without leading ProxyIn event,
* this happens when window is opened when stylus is already hovering
* around tablet surface */
setTabletMode(this, window, data->deviceid);
/* Note: This event might be generated with incomplete dataset (don't exactly know why, looks like in
* some cases, if the value does not change, it is not included in subsequent XDeviceMotionEvent
* events). So we have to check which values this event actually contains!
*/
#define AXIS_VALUE_GET(axis, val) \
((axis_first <= axis && axes_end > axis) && ((void)(val = data->axis_data[axis - axis_first]), true))
if (AXIS_VALUE_GET(2, axis_value)) {
window->GetTabletData()->Pressure = axis_value / ((float)m_xtablet.PressureLevels);
}
/* the (short) cast and the & 0xffff is bizarre and unexplained anywhere,
* but I got garbage data without it. Found it in the xidump.c source --matt
*
* The '& 0xffff' just truncates the value to its two lowest bytes, this probably means
* some drivers do not properly set the whole int value? Since we convert to float afterward,
* I don't think we need to cast to short here, but do not have a device to check this. --mont29
*/
if (AXIS_VALUE_GET(3, axis_value)) {
window->GetTabletData()->Xtilt = (short)(axis_value & 0xffff) /
((float)m_xtablet.XtiltLevels);
}
if (AXIS_VALUE_GET(4, axis_value)) {
window->GetTabletData()->Ytilt = (short)(axis_value & 0xffff) /
((float)m_xtablet.YtiltLevels);
}
#undef AXIS_VALUE_GET
}
else if (xe->type == m_xtablet.ProxInEvent) {
XProximityNotifyEvent *data = (XProximityNotifyEvent *)xe;
setTabletMode(this, window, data->deviceid);
}
else if (xe->type == m_xtablet.ProxOutEvent) {
window->GetTabletData()->Active = GHOST_kTabletModeNone;
}
#endif // WITH_X11_XINPUT
break;
}
}
if (g_event) {
pushEvent(g_event);
}
}
GHOST_TSuccess
GHOST_SystemX11::
getModifierKeys(
GHOST_ModifierKeys& keys) const
{
/* analyse the masks retuned from XQueryPointer. */
memset((void *)m_keyboard_vector, 0, sizeof(m_keyboard_vector));
XQueryKeymap(m_display, (char *)m_keyboard_vector);
/* now translate key symbols into keycodes and
* test with vector. */
const static KeyCode shift_l = XKeysymToKeycode(m_display, XK_Shift_L);
const static KeyCode shift_r = XKeysymToKeycode(m_display, XK_Shift_R);
const static KeyCode control_l = XKeysymToKeycode(m_display, XK_Control_L);
const static KeyCode control_r = XKeysymToKeycode(m_display, XK_Control_R);
const static KeyCode alt_l = XKeysymToKeycode(m_display, XK_Alt_L);
const static KeyCode alt_r = XKeysymToKeycode(m_display, XK_Alt_R);
const static KeyCode super_l = XKeysymToKeycode(m_display, XK_Super_L);
const static KeyCode super_r = XKeysymToKeycode(m_display, XK_Super_R);
/* shift */
keys.set(GHOST_kModifierKeyLeftShift, ((m_keyboard_vector[shift_l >> 3] >> (shift_l & 7)) & 1) != 0);
keys.set(GHOST_kModifierKeyRightShift, ((m_keyboard_vector[shift_r >> 3] >> (shift_r & 7)) & 1) != 0);
/* control */
keys.set(GHOST_kModifierKeyLeftControl, ((m_keyboard_vector[control_l >> 3] >> (control_l & 7)) & 1) != 0);
keys.set(GHOST_kModifierKeyRightControl, ((m_keyboard_vector[control_r >> 3] >> (control_r & 7)) & 1) != 0);
/* alt */
keys.set(GHOST_kModifierKeyLeftAlt, ((m_keyboard_vector[alt_l >> 3] >> (alt_l & 7)) & 1) != 0);
keys.set(GHOST_kModifierKeyRightAlt, ((m_keyboard_vector[alt_r >> 3] >> (alt_r & 7)) & 1) != 0);
/* super (windows) - only one GHOST-kModifierKeyOS, so mapping to either */
keys.set(GHOST_kModifierKeyOS, ( ((m_keyboard_vector[super_l >> 3] >> (super_l & 7)) & 1) ||
((m_keyboard_vector[super_r >> 3] >> (super_r & 7)) & 1) ) != 0);
return GHOST_kSuccess;
}
GHOST_TSuccess
GHOST_SystemX11::
getButtons(
GHOST_Buttons& buttons) const
{
Window root_return, child_return;
int rx, ry, wx, wy;
unsigned int mask_return;
if (XQueryPointer(m_display,
RootWindow(m_display, DefaultScreen(m_display)),
&root_return,
&child_return,
&rx, &ry,
&wx, &wy,
&mask_return) == True)
{
buttons.set(GHOST_kButtonMaskLeft, (mask_return & Button1Mask) != 0);
buttons.set(GHOST_kButtonMaskMiddle, (mask_return & Button2Mask) != 0);
buttons.set(GHOST_kButtonMaskRight, (mask_return & Button3Mask) != 0);
}
else {
return GHOST_kFailure;
}
return GHOST_kSuccess;
}
GHOST_TSuccess
GHOST_SystemX11::
getCursorPosition(
GHOST_TInt32& x,
GHOST_TInt32& y) const
{
Window root_return, child_return;
int rx, ry, wx, wy;
unsigned int mask_return;
if (XQueryPointer(
m_display,
RootWindow(m_display, DefaultScreen(m_display)),
&root_return,
&child_return,
&rx, &ry,
&wx, &wy,
&mask_return
) == False) {
return GHOST_kFailure;
}
else {
x = rx;
y = ry;
}
return GHOST_kSuccess;
}
GHOST_TSuccess
GHOST_SystemX11::
setCursorPosition(
GHOST_TInt32 x,
GHOST_TInt32 y)
{
/* This is a brute force move in screen coordinates
* XWarpPointer does relative moves so first determine the
* current pointer position. */
int cx, cy;
if (getCursorPosition(cx, cy) == GHOST_kFailure) {
return GHOST_kFailure;
}
int relx = x - cx;
int rely = y - cy;
#ifdef WITH_X11_XINPUT
if ((m_xinput_version.present) &&
(m_xinput_version.major_version >= 2))
{
/* Needed to account for XInput "Coordinate Transformation Matrix", see T48901 */
int device_id;
if (XIGetClientPointer(m_display, None, &device_id) != False) {
XIWarpPointer(m_display, device_id, None, None, 0, 0, 0, 0, relx, rely);
}
}
else
#endif
{
XWarpPointer(m_display, None, None, 0, 0, 0, 0, relx, rely);
}
XSync(m_display, 0); /* Sync to process all requests */
return GHOST_kSuccess;
}
void
GHOST_SystemX11::
addDirtyWindow(
GHOST_WindowX11 *bad_wind)
{
GHOST_ASSERT((bad_wind != NULL), "addDirtyWindow() NULL ptr trapped (window)");
m_dirty_windows.push_back(bad_wind);
}
bool
GHOST_SystemX11::
generateWindowExposeEvents()
{
vector<GHOST_WindowX11 *>::iterator w_start = m_dirty_windows.begin();
vector<GHOST_WindowX11 *>::const_iterator w_end = m_dirty_windows.end();
bool anyProcessed = false;
for (; w_start != w_end; ++w_start) {
GHOST_Event *g_event = new
GHOST_Event(
getMilliSeconds(),
GHOST_kEventWindowUpdate,
*w_start
);
(*w_start)->validate();
if (g_event) {
pushEvent(g_event);
anyProcessed = true;
}
}
m_dirty_windows.clear();
return anyProcessed;
}
#define GXMAP(k, x, y) case x: k = y; break
static GHOST_TKey
convertXKey(KeySym key)
{
GHOST_TKey type;
if ((key >= XK_A) && (key <= XK_Z)) {
type = GHOST_TKey(key - XK_A + int(GHOST_kKeyA));
}
else if ((key >= XK_a) && (key <= XK_z)) {
type = GHOST_TKey(key - XK_a + int(GHOST_kKeyA));
}
else if ((key >= XK_0) && (key <= XK_9)) {
type = GHOST_TKey(key - XK_0 + int(GHOST_kKey0));
}
else if ((key >= XK_F1) && (key <= XK_F24)) {
type = GHOST_TKey(key - XK_F1 + int(GHOST_kKeyF1));
#if defined(__sun) || defined(__sun__)
/* This is a bit of a hack, but it looks like sun
* Used F11 and friends for its special keys Stop,again etc..
* So this little patch enables F11 and F12 to work as expected
* following link has documentation on it:
* http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=4734408
* also from /usr/include/X11/Sunkeysym.h
* #define SunXK_F36 0x1005FF10 // Labeled F11
* #define SunXK_F37 0x1005FF11 // Labeled F12
*
* mein@cs.umn.edu
*/
}
else if (key == 268828432) {
type = GHOST_kKeyF11;
}
else if (key == 268828433) {
type = GHOST_kKeyF12;
#endif
}
else {
switch (key) {
GXMAP(type, XK_BackSpace, GHOST_kKeyBackSpace);
GXMAP(type, XK_Tab, GHOST_kKeyTab);
GXMAP(type, XK_ISO_Left_Tab, GHOST_kKeyTab);
GXMAP(type, XK_Return, GHOST_kKeyEnter);
GXMAP(type, XK_Escape, GHOST_kKeyEsc);
GXMAP(type, XK_space, GHOST_kKeySpace);
GXMAP(type, XK_Linefeed, GHOST_kKeyLinefeed);
GXMAP(type, XK_semicolon, GHOST_kKeySemicolon);
GXMAP(type, XK_period, GHOST_kKeyPeriod);
GXMAP(type, XK_comma, GHOST_kKeyComma);
GXMAP(type, XK_quoteright, GHOST_kKeyQuote);
GXMAP(type, XK_quoteleft, GHOST_kKeyAccentGrave);
GXMAP(type, XK_minus, GHOST_kKeyMinus);
GXMAP(type, XK_plus, GHOST_kKeyPlus);
GXMAP(type, XK_slash, GHOST_kKeySlash);
GXMAP(type, XK_backslash, GHOST_kKeyBackslash);
GXMAP(type, XK_equal, GHOST_kKeyEqual);
GXMAP(type, XK_bracketleft, GHOST_kKeyLeftBracket);
GXMAP(type, XK_bracketright, GHOST_kKeyRightBracket);
GXMAP(type, XK_Pause, GHOST_kKeyPause);
GXMAP(type, XK_Shift_L, GHOST_kKeyLeftShift);
GXMAP(type, XK_Shift_R, GHOST_kKeyRightShift);
GXMAP(type, XK_Control_L, GHOST_kKeyLeftControl);
GXMAP(type, XK_Control_R, GHOST_kKeyRightControl);
GXMAP(type, XK_Alt_L, GHOST_kKeyLeftAlt);
GXMAP(type, XK_Alt_R, GHOST_kKeyRightAlt);
GXMAP(type, XK_Super_L, GHOST_kKeyOS);
GXMAP(type, XK_Super_R, GHOST_kKeyOS);
GXMAP(type, XK_Insert, GHOST_kKeyInsert);
GXMAP(type, XK_Delete, GHOST_kKeyDelete);
GXMAP(type, XK_Home, GHOST_kKeyHome);
GXMAP(type, XK_End, GHOST_kKeyEnd);
GXMAP(type, XK_Page_Up, GHOST_kKeyUpPage);
GXMAP(type, XK_Page_Down, GHOST_kKeyDownPage);
GXMAP(type, XK_Left, GHOST_kKeyLeftArrow);
GXMAP(type, XK_Right, GHOST_kKeyRightArrow);
GXMAP(type, XK_Up, GHOST_kKeyUpArrow);
GXMAP(type, XK_Down, GHOST_kKeyDownArrow);
GXMAP(type, XK_Caps_Lock, GHOST_kKeyCapsLock);
GXMAP(type, XK_Scroll_Lock, GHOST_kKeyScrollLock);
GXMAP(type, XK_Num_Lock, GHOST_kKeyNumLock);
/* keypad events */
GXMAP(type, XK_KP_0, GHOST_kKeyNumpad0);
GXMAP(type, XK_KP_1, GHOST_kKeyNumpad1);
GXMAP(type, XK_KP_2, GHOST_kKeyNumpad2);
GXMAP(type, XK_KP_3, GHOST_kKeyNumpad3);
GXMAP(type, XK_KP_4, GHOST_kKeyNumpad4);
GXMAP(type, XK_KP_5, GHOST_kKeyNumpad5);
GXMAP(type, XK_KP_6, GHOST_kKeyNumpad6);
GXMAP(type, XK_KP_7, GHOST_kKeyNumpad7);
GXMAP(type, XK_KP_8, GHOST_kKeyNumpad8);
GXMAP(type, XK_KP_9, GHOST_kKeyNumpad9);
GXMAP(type, XK_KP_Decimal, GHOST_kKeyNumpadPeriod);
GXMAP(type, XK_KP_Insert, GHOST_kKeyNumpad0);
GXMAP(type, XK_KP_End, GHOST_kKeyNumpad1);
GXMAP(type, XK_KP_Down, GHOST_kKeyNumpad2);
GXMAP(type, XK_KP_Page_Down, GHOST_kKeyNumpad3);
GXMAP(type, XK_KP_Left, GHOST_kKeyNumpad4);
GXMAP(type, XK_KP_Begin, GHOST_kKeyNumpad5);
GXMAP(type, XK_KP_Right, GHOST_kKeyNumpad6);
GXMAP(type, XK_KP_Home, GHOST_kKeyNumpad7);
GXMAP(type, XK_KP_Up, GHOST_kKeyNumpad8);
GXMAP(type, XK_KP_Page_Up, GHOST_kKeyNumpad9);
GXMAP(type, XK_KP_Delete, GHOST_kKeyNumpadPeriod);
GXMAP(type, XK_KP_Enter, GHOST_kKeyNumpadEnter);
GXMAP(type, XK_KP_Add, GHOST_kKeyNumpadPlus);
GXMAP(type, XK_KP_Subtract, GHOST_kKeyNumpadMinus);
GXMAP(type, XK_KP_Multiply, GHOST_kKeyNumpadAsterisk);
GXMAP(type, XK_KP_Divide, GHOST_kKeyNumpadSlash);
/* Media keys in some keyboards and laptops with XFree86/Xorg */
#ifdef WITH_XF86KEYSYM
GXMAP(type, XF86XK_AudioPlay, GHOST_kKeyMediaPlay);
GXMAP(type, XF86XK_AudioStop, GHOST_kKeyMediaStop);
GXMAP(type, XF86XK_AudioPrev, GHOST_kKeyMediaFirst);
GXMAP(type, XF86XK_AudioRewind, GHOST_kKeyMediaFirst);
GXMAP(type, XF86XK_AudioNext, GHOST_kKeyMediaLast);
#ifdef XF86XK_AudioForward /* Debian lenny's XF86keysym.h has no XF86XK_AudioForward define */
GXMAP(type, XF86XK_AudioForward, GHOST_kKeyMediaLast);
#endif
#endif
/* some extra sun cruft (NICE KEYBOARD!) */
#ifdef __sun__
GXMAP(type, 0xffde, GHOST_kKeyNumpad1);
GXMAP(type, 0xffe0, GHOST_kKeyNumpad3);
GXMAP(type, 0xffdc, GHOST_kKeyNumpad5);
GXMAP(type, 0xffd8, GHOST_kKeyNumpad7);
GXMAP(type, 0xffda, GHOST_kKeyNumpad9);
GXMAP(type, 0xffd6, GHOST_kKeyNumpadSlash);
GXMAP(type, 0xffd7, GHOST_kKeyNumpadAsterisk);
#endif
default:
type = GHOST_kKeyUnknown;
break;
}
}
return type;
}
#undef GXMAP
/* from xclip.c xcout() v0.11 */
#define XCLIB_XCOUT_NONE 0 /* no context */
#define XCLIB_XCOUT_SENTCONVSEL 1 /* sent a request */
#define XCLIB_XCOUT_INCR 2 /* in an incr loop */
#define XCLIB_XCOUT_FALLBACK 3 /* STRING failed, need fallback to UTF8 */
#define XCLIB_XCOUT_FALLBACK_UTF8 4 /* UTF8 failed, move to compouned */
#define XCLIB_XCOUT_FALLBACK_COMP 5 /* compouned failed, move to text. */
#define XCLIB_XCOUT_FALLBACK_TEXT 6
/* Retrieves the contents of a selections. */
void GHOST_SystemX11::getClipboard_xcout(const XEvent *evt,
Atom sel, Atom target, unsigned char **txt,
unsigned long *len, unsigned int *context) const
{
Atom pty_type;
int pty_format;
unsigned char *buffer;
unsigned long pty_size, pty_items;
unsigned char *ltxt = *txt;
vector<GHOST_IWindow *> & win_vec = m_windowManager->getWindows();
vector<GHOST_IWindow *>::iterator win_it = win_vec.begin();
GHOST_WindowX11 *window = static_cast<GHOST_WindowX11 *>(*win_it);
Window win = window->getXWindow();
switch (*context) {
/* There is no context, do an XConvertSelection() */
case XCLIB_XCOUT_NONE:
/* Initialise return length to 0 */
if (*len > 0) {
free(*txt);
*len = 0;
}
/* Send a selection request */
XConvertSelection(m_display, sel, target, m_atom.XCLIP_OUT, win, CurrentTime);
*context = XCLIB_XCOUT_SENTCONVSEL;
return;
case XCLIB_XCOUT_SENTCONVSEL:
if (evt->type != SelectionNotify)
return;
if (target == m_atom.UTF8_STRING && evt->xselection.property == None) {
*context = XCLIB_XCOUT_FALLBACK_UTF8;
return;
}
else if (target == m_atom.COMPOUND_TEXT && evt->xselection.property == None) {
*context = XCLIB_XCOUT_FALLBACK_COMP;
return;
}
else if (target == m_atom.TEXT && evt->xselection.property == None) {
*context = XCLIB_XCOUT_FALLBACK_TEXT;
return;
}
/* find the size and format of the data in property */
XGetWindowProperty(m_display, win, m_atom.XCLIP_OUT, 0, 0, False,
AnyPropertyType, &pty_type, &pty_format,
&pty_items, &pty_size, &buffer);
XFree(buffer);
if (pty_type == m_atom.INCR) {
/* start INCR mechanism by deleting property */
XDeleteProperty(m_display, win, m_atom.XCLIP_OUT);
XFlush(m_display);
*context = XCLIB_XCOUT_INCR;
return;
}
/* if it's not incr, and not format == 8, then there's
* nothing in the selection (that xclip understands, anyway) */
if (pty_format != 8) {
*context = XCLIB_XCOUT_NONE;
return;
}
// not using INCR mechanism, just read the property
XGetWindowProperty(m_display, win, m_atom.XCLIP_OUT, 0, (long) pty_size,
False, AnyPropertyType, &pty_type,
&pty_format, &pty_items, &pty_size, &buffer);
/* finished with property, delete it */
XDeleteProperty(m_display, win, m_atom.XCLIP_OUT);
/* copy the buffer to the pointer for returned data */
ltxt = (unsigned char *) malloc(pty_items);
memcpy(ltxt, buffer, pty_items);
/* set the length of the returned data */
*len = pty_items;
*txt = ltxt;
/* free the buffer */
XFree(buffer);
*context = XCLIB_XCOUT_NONE;
/* complete contents of selection fetched, return 1 */
return;
case XCLIB_XCOUT_INCR:
/* To use the INCR method, we basically delete the
* property with the selection in it, wait for an
* event indicating that the property has been created,
* then read it, delete it, etc. */
/* make sure that the event is relevant */
if (evt->type != PropertyNotify)
return;
/* skip unless the property has a new value */
if (evt->xproperty.state != PropertyNewValue)
return;
/* check size and format of the property */
XGetWindowProperty(m_display, win, m_atom.XCLIP_OUT, 0, 0, False,
AnyPropertyType, &pty_type, &pty_format,
&pty_items, &pty_size, &buffer);
if (pty_format != 8) {
/* property does not contain text, delete it
* to tell the other X client that we have read
* it and to send the next property */
XFree(buffer);
XDeleteProperty(m_display, win, m_atom.XCLIP_OUT);
return;
}
if (pty_size == 0) {
/* no more data, exit from loop */
XFree(buffer);
XDeleteProperty(m_display, win, m_atom.XCLIP_OUT);
*context = XCLIB_XCOUT_NONE;
/* this means that an INCR transfer is now
* complete, return 1 */
return;
}
XFree(buffer);
/* if we have come this far, the property contains
* text, we know the size. */
XGetWindowProperty(m_display, win, m_atom.XCLIP_OUT, 0, (long) pty_size,
False, AnyPropertyType, &pty_type, &pty_format,
&pty_items, &pty_size, &buffer);
/* allocate memory to accommodate data in *txt */
if (*len == 0) {
*len = pty_items;
ltxt = (unsigned char *) malloc(*len);
}
else {
*len += pty_items;
ltxt = (unsigned char *) realloc(ltxt, *len);
}
/* add data to ltxt */
memcpy(&ltxt[*len - pty_items], buffer, pty_items);
*txt = ltxt;
XFree(buffer);
/* delete property to get the next item */
XDeleteProperty(m_display, win, m_atom.XCLIP_OUT);
XFlush(m_display);
return;
}
return;
}
GHOST_TUns8 *GHOST_SystemX11::getClipboard(bool selection) const
{
Atom sseln;
Atom target = m_atom.UTF8_STRING;
Window owner;
/* from xclip.c doOut() v0.11 */
unsigned char *sel_buf;
unsigned long sel_len = 0;
XEvent evt;
unsigned int context = XCLIB_XCOUT_NONE;
if (selection == True)
sseln = m_atom.PRIMARY;
else
sseln = m_atom.CLIPBOARD;
vector<GHOST_IWindow *> & win_vec = m_windowManager->getWindows();
vector<GHOST_IWindow *>::iterator win_it = win_vec.begin();
GHOST_WindowX11 *window = static_cast<GHOST_WindowX11 *>(*win_it);
Window win = window->getXWindow();
/* check if we are the owner. */
owner = XGetSelectionOwner(m_display, sseln);
if (owner == win) {
if (sseln == m_atom.CLIPBOARD) {
sel_buf = (unsigned char *)malloc(strlen(txt_cut_buffer) + 1);
strcpy((char *)sel_buf, txt_cut_buffer);
return sel_buf;
}
else {
sel_buf = (unsigned char *)malloc(strlen(txt_select_buffer) + 1);
strcpy((char *)sel_buf, txt_select_buffer);
return sel_buf;
}
}
else if (owner == None)
return(NULL);
while (1) {
/* only get an event if xcout() is doing something */
if (context != XCLIB_XCOUT_NONE)
XNextEvent(m_display, &evt);
/* fetch the selection, or part of it */
getClipboard_xcout(&evt, sseln, target, &sel_buf, &sel_len, &context);
/* fallback is needed. set XA_STRING to target and restart the loop. */
if (context == XCLIB_XCOUT_FALLBACK) {
context = XCLIB_XCOUT_NONE;
target = m_atom.STRING;
continue;
}
else if (context == XCLIB_XCOUT_FALLBACK_UTF8) {
/* utf8 fail, move to compouned text. */
context = XCLIB_XCOUT_NONE;
target = m_atom.COMPOUND_TEXT;
continue;
}
else if (context == XCLIB_XCOUT_FALLBACK_COMP) {
/* compouned text fail, move to text. */
context = XCLIB_XCOUT_NONE;
target = m_atom.TEXT;
continue;
}
else if (context == XCLIB_XCOUT_FALLBACK_TEXT) {
/* text fail, nothing else to try, break. */
context = XCLIB_XCOUT_NONE;
}
/* only continue if xcout() is doing something */
if (context == XCLIB_XCOUT_NONE)
break;
}
if (sel_len) {
/* only print the buffer out, and free it, if it's not
* empty
*/
unsigned char *tmp_data = (unsigned char *) malloc(sel_len + 1);
memcpy((char *)tmp_data, (char *)sel_buf, sel_len);
tmp_data[sel_len] = '\0';
if (sseln == m_atom.STRING)
XFree(sel_buf);
else
free(sel_buf);
return tmp_data;
}
return(NULL);
}
void GHOST_SystemX11::putClipboard(GHOST_TInt8 *buffer, bool selection) const
{
Window m_window, owner;
vector<GHOST_IWindow *> & win_vec = m_windowManager->getWindows();
vector<GHOST_IWindow *>::iterator win_it = win_vec.begin();
GHOST_WindowX11 *window = static_cast<GHOST_WindowX11 *>(*win_it);
m_window = window->getXWindow();
if (buffer) {
if (selection == False) {
XSetSelectionOwner(m_display, m_atom.CLIPBOARD, m_window, CurrentTime);
owner = XGetSelectionOwner(m_display, m_atom.CLIPBOARD);
if (txt_cut_buffer)
free((void *)txt_cut_buffer);
txt_cut_buffer = (char *) malloc(strlen(buffer) + 1);
strcpy(txt_cut_buffer, buffer);
}
else {
XSetSelectionOwner(m_display, m_atom.PRIMARY, m_window, CurrentTime);
owner = XGetSelectionOwner(m_display, m_atom.PRIMARY);
if (txt_select_buffer)
free((void *)txt_select_buffer);
txt_select_buffer = (char *) malloc(strlen(buffer) + 1);
strcpy(txt_select_buffer, buffer);
}
if (owner != m_window)
fprintf(stderr, "failed to own primary\n");
}
}
#ifdef WITH_XDND
GHOST_TSuccess GHOST_SystemX11::pushDragDropEvent(GHOST_TEventType eventType,
GHOST_TDragnDropTypes draggedObjectType,
GHOST_IWindow *window,
int mouseX, int mouseY,
void *data)
{
GHOST_SystemX11 *system = ((GHOST_SystemX11 *)getSystem());
return system->pushEvent(new GHOST_EventDragnDrop(system->getMilliSeconds(),
eventType,
draggedObjectType,
window, mouseX, mouseY, data)
);
}
#endif
/**
* These callbacks can be used for debugging, so we can breakpoint on an X11 error.
*
* Dummy function to get around IO Handler exiting if device invalid
* Basically it will not crash blender now if you have a X device that
* is configured but not plugged in.
*/
int GHOST_X11_ApplicationErrorHandler(Display *display, XErrorEvent *event)
{
char error_code_str[512];
XGetErrorText(display, event->error_code, error_code_str, sizeof(error_code_str));
fprintf(stderr,
"Received X11 Error:\n"
"\terror code: %d\n"
"\trequest code: %d\n"
"\tminor code: %d\n"
"\terror text: %s\n",
event->error_code, event->request_code, event->minor_code, error_code_str);
/* No exit! - but keep lint happy */
return 0;
}
int GHOST_X11_ApplicationIOErrorHandler(Display * /*display*/)
{
fprintf(stderr, "Ignoring Xlib error: error IO\n");
/* No exit! - but keep lint happy */
return 0;
}
#ifdef WITH_X11_XINPUT
/* These C functions are copied from Wine 1.1.13's wintab.c */
#define BOOL int
#define TRUE 1
#define FALSE 0
static bool match_token(const char *haystack, const char *needle)
{
const char *p, *q;
for (p = haystack; *p; ) {
while (*p && isspace(*p))
p++;
if (!*p)
break;
for (q = needle; *q && *p && tolower(*p) == tolower(*q); q++)
p++;
if (!*q && (isspace(*p) || !*p))
return TRUE;
while (*p && !isspace(*p))
p++;
}
return FALSE;
}
/* Determining if an X device is a Tablet style device is an imperfect science.
* We rely on common conventions around device names as well as the type reported
* by Wacom tablets. This code will likely need to be expanded for alternate tablet types
*
* Wintab refers to any device that interacts with the tablet as a cursor,
* (stylus, eraser, tablet mouse, airbrush, etc)
* this is not to be confused with wacom x11 configuration "cursor" device.
* Wacoms x11 config "cursor" refers to its device slot (which we mirror with
* our gSysCursors) for puck like devices (tablet mice essentially).
*/
#if 0 // unused
static BOOL is_tablet_cursor(const char *name, const char *type)
{
int i;
static const char *tablet_cursor_whitelist[] = {
"wacom",
"wizardpen",
"acecad",
"tablet",
"cursor",
"stylus",
"eraser",
"pad",
NULL
};
for (i = 0; tablet_cursor_whitelist[i] != NULL; i++) {
if (name && match_token(name, tablet_cursor_whitelist[i]))
return TRUE;
if (type && match_token(type, tablet_cursor_whitelist[i]))
return TRUE;
}
return FALSE;
}
#endif
static BOOL is_stylus(const char *name, const char *type)
{
int i;
static const char *tablet_stylus_whitelist[] = {
"stylus",
"wizardpen",
"acecad",
NULL
};
for (i = 0; tablet_stylus_whitelist[i] != NULL; i++) {
if (name && match_token(name, tablet_stylus_whitelist[i]))
return TRUE;
if (type && match_token(type, tablet_stylus_whitelist[i]))
return TRUE;
}
return FALSE;
}
static BOOL is_eraser(const char *name, const char *type)
{
if (name && match_token(name, "eraser"))
return TRUE;
if (type && match_token(type, "eraser"))
return TRUE;
return FALSE;
}
#undef BOOL
#undef TRUE
#undef FALSE
/* end code copied from wine */
void GHOST_SystemX11::refreshXInputDevices()
{
if (m_xinput_version.present) {
if (m_xtablet.StylusDevice) {
XCloseDevice(m_display, m_xtablet.StylusDevice);
m_xtablet.StylusDevice = NULL;
}
if (m_xtablet.EraserDevice) {
XCloseDevice(m_display, m_xtablet.EraserDevice);
m_xtablet.EraserDevice = NULL;
}
/* Install our error handler to override Xlib's termination behavior */
GHOST_X11_ERROR_HANDLERS_OVERRIDE(handler_store);
{
int device_count;
XDeviceInfo *device_info = XListInputDevices(m_display, &device_count);
for (int i = 0; i < device_count; ++i) {
char *device_type = device_info[i].type ? XGetAtomName(m_display, device_info[i].type) : NULL;
// printf("Tablet type:'%s', name:'%s', index:%d\n", device_type, device_info[i].name, i);
if ((m_xtablet.StylusDevice == NULL) &&
(is_stylus(device_info[i].name, device_type) || (device_info[i].type == m_atom.TABLET)))
{
// printf("\tfound stylus\n");
m_xtablet.StylusID = device_info[i].id;
m_xtablet.StylusDevice = XOpenDevice(m_display, m_xtablet.StylusID);
if (m_xtablet.StylusDevice != NULL) {
/* Find how many pressure levels tablet has */
XAnyClassPtr ici = device_info[i].inputclassinfo;
for (int j = 0; j < m_xtablet.StylusDevice->num_classes; ++j) {
if (ici->c_class == ValuatorClass) {
// printf("\t\tfound ValuatorClass\n");
XValuatorInfo *xvi = (XValuatorInfo *)ici;
m_xtablet.PressureLevels = xvi->axes[2].max_value;
if (xvi->num_axes > 3) {
/* this is assuming that the tablet has the same tilt resolution in both
* positive and negative directions. It would be rather weird if it didn't.. */
m_xtablet.XtiltLevels = xvi->axes[3].max_value;
m_xtablet.YtiltLevels = xvi->axes[4].max_value;
}
else {
m_xtablet.XtiltLevels = 0;
m_xtablet.YtiltLevels = 0;
}
break;
}
ici = (XAnyClassPtr)(((char *)ici) + ici->length);
}
}
else {
m_xtablet.StylusID = 0;
}
}
else if ((m_xtablet.EraserDevice == NULL) &&
(is_eraser(device_info[i].name, device_type)))
{
// printf("\tfound eraser\n");
m_xtablet.EraserID = device_info[i].id;
m_xtablet.EraserDevice = XOpenDevice(m_display, m_xtablet.EraserID);
if (m_xtablet.EraserDevice == NULL) m_xtablet.EraserID = 0;
}
if (device_type) {
XFree((void *)device_type);
}
}
XFreeDeviceList(device_info);
}
GHOST_X11_ERROR_HANDLERS_RESTORE(handler_store);
}
}
#endif /* WITH_X11_XINPUT */
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