static int setup_events(Display *dpy)
{
XIEventMask mask[2];
Window root;
int dummy;
if (!XQueryExtension(dpy, "XInputExtension", &xinput, &dummy, &dummy)) {
puts("Could not query XInputExtension");
return -1;
}
root = DefaultRootWindow(dpy);
mask[0].deviceid = XIAllDevices;
mask[0].mask_len = XIMaskLen(XI_LASTEVENT);
mask[0].mask = calloc(mask[0].mask_len, sizeof(char));
mask[1].deviceid = XIAllMasterDevices;
mask[1].mask_len = XIMaskLen(XI_LASTEVENT);
mask[1].mask = calloc(mask[1].mask_len, sizeof(char));
XISetMask(mask[1].mask, XI_RawKeyPress);
XISetMask(mask[1].mask, XI_RawButtonPress);
XISelectEvents(dpy, root, &mask[0], 2);
if (!XSync(dpy, False)) {
puts("Could not sync display");
return -1;
}
free(mask[0].mask);
free(mask[1].mask);
return 0;
}
static gboolean
meta_backend_x11_grab_device (MetaBackend *backend,
int device_id,
uint32_t timestamp)
{
MetaBackendX11 *x11 = META_BACKEND_X11 (backend);
MetaBackendX11Private *priv = meta_backend_x11_get_instance_private (x11);
unsigned char mask_bits[XIMaskLen (XI_LASTEVENT)] = { 0 };
XIEventMask mask = { XIAllMasterDevices, sizeof (mask_bits), mask_bits };
int ret;
if (timestamp != CurrentTime)
timestamp = MAX (timestamp, priv->latest_evtime);
XISetMask (mask.mask, XI_ButtonPress);
XISetMask (mask.mask, XI_ButtonRelease);
XISetMask (mask.mask, XI_Enter);
XISetMask (mask.mask, XI_Leave);
XISetMask (mask.mask, XI_Motion);
XISetMask (mask.mask, XI_KeyPress);
XISetMask (mask.mask, XI_KeyRelease);
ret = XIGrabDevice (priv->xdisplay, device_id,
meta_backend_x11_get_xwindow (x11),
timestamp,
None,
XIGrabModeAsync, XIGrabModeAsync,
False, /* owner_events */
&mask);
return (ret == Success);
}
void SetupXI2Events()
{
Display *dpy = nux::GetGraphicsDisplay()->GetX11Display();
unsigned char mask_bits[XIMaskLen (XI_LASTEVENT)] = { 0 };
XIEventMask mask = { XIAllMasterDevices, sizeof (mask_bits), mask_bits };
XISetMask(mask.mask, XI_BarrierHit);
XISetMask(mask.mask, XI_BarrierLeave);
XISelectEvents (dpy, DefaultRootWindow(dpy), &mask, 1);
}
static void install_grabs_mouse( void )
{
int i;
int num_devices;
XIDeviceInfo *info;
XIEventMask mask;
assert( x11display.dpy && x11display.win );
if( mouse_active )
return;
XDefineCursor(x11display.dpy, x11display.win, CreateNullCursor(x11display.dpy, x11display.win));
mask.deviceid = XIAllDevices;
mask.mask_len = XIMaskLen(XI_LASTEVENT);
mask.mask = calloc(mask.mask_len, sizeof(char));
XISetMask(mask.mask, XI_Enter);
XISetMask(mask.mask, XI_Leave);
XISetMask(mask.mask, XI_ButtonPress);
XISetMask(mask.mask, XI_ButtonRelease);
info = XIQueryDevice(x11display.dpy, XIAllDevices, &num_devices);
for(i = 0; i < num_devices; i++) {
int id = info[i].deviceid;
if(info[i].use == XISlavePointer) {
mask.deviceid = id;
XIGrabDevice(x11display.dpy, id, x11display.win, CurrentTime, None, GrabModeSync,
GrabModeSync, True, &mask);
}
else if(info[i].use == XIMasterPointer) {
if (x11display.features.wmStateFullscreen)
XIWarpPointer(x11display.dpy, id, None, x11display.win, 0, 0, 0, 0, 0, 0);
else
XIWarpPointer(x11display.dpy, id, None, x11display.win, 0, 0, 0, 0, x11display.win_width/2, x11display.win_height/2);
}
}
XIFreeDeviceInfo(info);
mask.deviceid = XIAllDevices;
memset(mask.mask, 0, mask.mask_len);
XISetMask(mask.mask, XI_RawMotion);
XISelectEvents(x11display.dpy, DefaultRootWindow(x11display.dpy), &mask, 1);
free(mask.mask);
XSync(x11display.dpy, True);
mx = my = 0;
mouse_active = qtrue;
}
void grab_all_keys(Window window, int is_grab)
{
if (is_grab)
{
// Grab all keys...
XGrabKey(main_window->display, AnyKey, AnyModifier, window, FALSE, GrabModeAsync, GrabModeAsync);
// ...without ModKeys.
grab_modifier_keys(window, FALSE);
XIEventMask mask;
mask.deviceid = XIAllMasterDevices;
mask.mask_len = XIMaskLen(XI_KeyPress)+
XIMaskLen(XI_KeyRelease);
mask.mask = (void *)calloc(mask.mask_len, sizeof(char));
XISetMask(mask.mask, XI_KeyPress);
XISetMask(mask.mask, XI_KeyRelease);
XISelectEvents(main_window->display, window, &mask, 1);
free(mask.mask);
// Not used, XISelectEvents get actions
//grab_action(window);
//grab_user_action(window);
}
else
{
// Ungrab all keys in app window...
XUngrabKey(main_window->display, AnyKey, AnyModifier, window);
XIEventMask mask;
mask.deviceid = XIAllMasterDevices;
mask.mask_len = XIMaskLen(XI_KeyPress);
mask.mask = (void *)calloc(mask.mask_len, sizeof(char));
XISetMask(mask.mask, 0);
XISelectEvents(main_window->display, window, &mask, 1);
free(mask.mask);
}
XSelectInput(main_window->display, window, FOCUS_CHANGE_MASK);
}
void grab_button(int is_grab)
{
if (is_grab)
{
XIEventMask mask;
mask.deviceid = XIAllMasterDevices;
mask.mask_len = XIMaskLen(XI_RawButtonPress);
mask.mask = (void *)calloc(mask.mask_len, sizeof(char));
XISetMask(mask.mask, XI_RawButtonPress);
XISelectEvents(main_window->display, DefaultRootWindow(main_window->display), &mask, 1);
free(mask.mask);
}
else
{
XIEventMask mask;
mask.deviceid = XIAllMasterDevices;
mask.mask_len = XIMaskLen(XI_RawButtonPress);
mask.mask = (void *)calloc(mask.mask_len, sizeof(char));
XISetMask(mask.mask, 0);
XISelectEvents(main_window->display, DefaultRootWindow(main_window->display), &mask, 1);
free(mask.mask);
}
}
static void
meta_backend_x11_select_stage_events (MetaBackend *backend)
{
MetaBackendX11 *x11 = META_BACKEND_X11 (backend);
MetaBackendX11Private *priv = meta_backend_x11_get_instance_private (x11);
Window xwin = meta_backend_x11_get_xwindow (x11);
unsigned char mask_bits[XIMaskLen (XI_LASTEVENT)] = { 0 };
XIEventMask mask = { XIAllMasterDevices, sizeof (mask_bits), mask_bits };
XISetMask (mask.mask, XI_KeyPress);
XISetMask (mask.mask, XI_KeyRelease);
XISetMask (mask.mask, XI_ButtonPress);
XISetMask (mask.mask, XI_ButtonRelease);
XISetMask (mask.mask, XI_Enter);
XISetMask (mask.mask, XI_Leave);
XISetMask (mask.mask, XI_FocusIn);
XISetMask (mask.mask, XI_FocusOut);
XISetMask (mask.mask, XI_Motion);
if (priv->mode == META_BACKEND_X11_MODE_NESTED)
{
/* When we're an X11 compositor, we can't take these events or else
* replaying events from our passive root window grab will cause
* them to come back to us.
*
* When we're a nested application, we want to behave like any other
* application, so select these events like normal apps do.
*/
XISetMask (mask.mask, XI_TouchBegin);
XISetMask (mask.mask, XI_TouchEnd);
XISetMask (mask.mask, XI_TouchUpdate);
}
XISelectEvents (priv->xdisplay, xwin, &mask, 1);
if (priv->mode == META_BACKEND_X11_MODE_NESTED)
{
/* We have no way of tracking key changes when the stage doesn't have
* focus, so we select for KeymapStateMask so that we get a complete
* dump of the keyboard state in a KeymapNotify event that immediately
* follows each FocusIn (and EnterNotify, but we ignore that.)
*/
XWindowAttributes xwa;
XGetWindowAttributes(priv->xdisplay, xwin, &xwa);
XSelectInput(priv->xdisplay, xwin,
xwa.your_event_mask | FocusChangeMask | KeymapStateMask);
}
}
static void
take_touch_grab (MetaBackend *backend)
{
MetaBackendX11 *x11 = META_BACKEND_X11 (backend);
MetaBackendX11Private *priv = meta_backend_x11_get_instance_private (x11);
unsigned char mask_bits[XIMaskLen (XI_LASTEVENT)] = { 0 };
XIEventMask mask = { META_VIRTUAL_CORE_POINTER_ID, sizeof (mask_bits), mask_bits };
XIGrabModifiers mods = { XIAnyModifier, 0 };
XISetMask (mask.mask, XI_TouchBegin);
XISetMask (mask.mask, XI_TouchUpdate);
XISetMask (mask.mask, XI_TouchEnd);
XIGrabTouchBegin (priv->xdisplay, META_VIRTUAL_CORE_POINTER_ID,
DefaultRootWindow (priv->xdisplay),
False, &mask, 1, &mods);
}
XLibWindowManagerAdapterPrivate::XLibWindowManagerAdapterPrivate(
XLibWindowManagerAdapter *q)
:q_ptr(q)
{
Window root;
Status status;
int xi_major = 2;
int xi_minor = 2;
m_mods.modifiers = XIAnyModifier;
m_mods.status = 0;
m_display = XOpenDisplay(NULL);
Q_ASSERT_X(m_display, "XLibWindowManagerAdapter",
"Failed to open connection to X server");
status = XIQueryVersion(m_display, &xi_major, &xi_minor);
Q_ASSERT_X(status == Success, "XLibWindowManagerAdapter",
"Failed to query XInput version");
if (xi_major < 2 || xi_minor < 2) {
qFatal("XInput version of the server is too old (%d.%d)" ,
xi_major, xi_minor);
}
root = XDefaultRootWindow(m_display);
XSelectInput(m_display, root, PropertyChangeMask);
XMapWindow(m_display, root);
XFlush(m_display);
m_mask.deviceid = XIAllMasterDevices;
m_mask.mask_len = XIMaskLen(XI_LASTEVENT);
m_mask.mask = (unsigned char*)calloc(m_mask.mask_len, sizeof(unsigned char));
XISetMask(m_mask.mask, XI_TouchBegin);
XISetMask(m_mask.mask, XI_TouchUpdate);
XISetMask(m_mask.mask, XI_TouchEnd);
XISetMask(m_mask.mask, XI_TouchOwnership);
XISetMask(m_mask.mask, XI_HierarchyChanged);
XIGrabTouchBegin(m_display, XIAllMasterDevices, root, 0,
&m_mask, 1, &m_mods);
}
static void
xfwm_device_fill_xi2_event_mask (XIEventMask *xievent_mask, gulong core_mask)
{
gint len = XIMaskLen (XI_LASTEVENT);
guchar *mask = g_new0 (guchar, len);
guint i;
xievent_mask->deviceid = XIAllMasterDevices;
xievent_mask->mask_len = sizeof (mask);
xievent_mask->mask = mask;
for (i = 0; i < G_N_ELEMENTS (core_to_xi2); i++)
{
if ((core_mask & core_to_xi2[i].core_mask) == core_to_xi2[i].core_mask)
{
XISetMask (mask, core_to_xi2[i].xi2_event);
}
}
#undef xi2_set_mask
}
static void select_events(Display *dpy, Window win)
{
XIEventMask evmasks[1];
unsigned char mask1[XIMaskLen(XI_RawMotion)];
memset(mask1, 0, sizeof(mask1));
/* Select for motion from the default cursor */
XISetMask(mask1, XI_RawMotion);
int pointer_dev_id;
XIGetClientPointer(dpy, None, &pointer_dev_id);
evmasks[0].deviceid = pointer_dev_id;
evmasks[0].mask_len = sizeof(mask1);
evmasks[0].mask = mask1;
XISelectEvents(dpy, win, evmasks, 1);
XFlush(dpy);
}
static void install_grabs_keyboard( void )
{
int i;
int num_devices;
XIDeviceInfo *info;
XIEventMask mask;
assert( x11display.dpy && x11display.win );
if( input_active )
return;
XDefineCursor(x11display.dpy, x11display.win, CreateNullCursor(x11display.dpy, x11display.win));
mask.deviceid = XIAllMasterDevices;
mask.mask_len = XIMaskLen(XI_LASTEVENT);
mask.mask = calloc(mask.mask_len, sizeof(char));
XISetMask(mask.mask, XI_KeyPress);
XISetMask(mask.mask, XI_KeyRelease);
XISetMask(mask.mask, XI_ButtonPress);
XISetMask(mask.mask, XI_ButtonRelease);
XISelectEvents(x11display.dpy, x11display.win, &mask, 1);
info = XIQueryDevice(x11display.dpy, XIAllDevices, &num_devices);
for(i = 0; i < num_devices; i++) {
int id = info[i].deviceid;
if(info[i].use == XIMasterKeyboard)
{
XIGrabDevice(x11display.dpy, id, x11display.win, CurrentTime, None, GrabModeAsync, GrabModeAsync, False, &mask);
}
}
XIFreeDeviceInfo(info);
free(mask.mask);
XSync(x11display.dpy, True);
input_active = qtrue;
}
static void
meta_backend_x11_select_stage_events (MetaBackend *backend)
{
MetaBackendX11 *x11 = META_BACKEND_X11 (backend);
MetaBackendX11Private *priv = meta_backend_x11_get_instance_private (x11);
Window xwin = meta_backend_x11_get_xwindow (x11);
unsigned char mask_bits[XIMaskLen (XI_LASTEVENT)] = { 0 };
XIEventMask mask = { XIAllMasterDevices, sizeof (mask_bits), mask_bits };
XISetMask (mask.mask, XI_KeyPress);
XISetMask (mask.mask, XI_KeyRelease);
XISetMask (mask.mask, XI_ButtonPress);
XISetMask (mask.mask, XI_ButtonRelease);
XISetMask (mask.mask, XI_Enter);
XISetMask (mask.mask, XI_Leave);
XISetMask (mask.mask, XI_FocusIn);
XISetMask (mask.mask, XI_FocusOut);
XISetMask (mask.mask, XI_Motion);
XIClearMask (mask.mask, XI_TouchBegin);
XIClearMask (mask.mask, XI_TouchEnd);
XIClearMask (mask.mask, XI_TouchUpdate);
XISelectEvents (priv->xdisplay, xwin, &mask, 1);
}
static Window create_win(Display *dpy)
{
XIEventMask mask;
Window win = XCreateSimpleWindow(dpy, DefaultRootWindow(dpy), 0, 0, 1, 1, 0, 0, 0);
mask.deviceid = XIAllDevices;
mask.mask_len = XIMaskLen(XI_RawMotion);
mask.mask = calloc(mask.mask_len, sizeof(char));
XISetMask(mask.mask, XI_RawButtonPress);
XISetMask(mask.mask, XI_RawButtonRelease);
XISetMask(mask.mask, XI_RawKeyPress);
XISetMask(mask.mask, XI_RawKeyRelease);
XISetMask(mask.mask, XI_RawMotion);
XISelectEvents(dpy, DefaultRootWindow(dpy), &mask, 1);
free(mask.mask);
XMapWindow(dpy, win);
XSync(dpy, True);
return win;
}
void XInputMTInputDevice::start()
{
Status status;
SDLDisplayEngine * pEngine = Player::get()->getDisplayEngine();
glm::vec2 size(pEngine->getSize());
glm::vec2 windowSize(pEngine->getWindowSize());
m_DisplayScale.x = size.x/windowSize.x;
m_DisplayScale.y = size.y/windowSize.y;
SDL_SysWMinfo info;
SDL_VERSION(&info.version);
int rc = SDL_GetWMInfo(&info);
AVG_ASSERT(rc != -1);
s_pDisplay = info.info.x11.display;
m_SDLLockFunc = info.info.x11.lock_func;
m_SDLUnlockFunc = info.info.x11.unlock_func;
m_SDLLockFunc();
// XInput Extension available?
int event, error;
bool bOk = XQueryExtension(s_pDisplay, "XInputExtension", &m_XIOpcode,
&event, &error);
if (!bOk) {
throw Exception(AVG_ERR_MT_INIT,
"XInput multitouch event source: X Input extension not available.");
}
// Which version of XI2?
int major;
int minor;
status = XIQueryVersion(s_pDisplay, &major, &minor);
if (status == BadRequest) {
throw Exception(AVG_ERR_MT_INIT,
"XInput 2.1 multitouch event source: Server does not support XI2");
}
if (major < 2 || minor < 1) {
throw Exception(AVG_ERR_MT_INIT,
"XInput multitouch event source: Supported version is "
+toString(major)+"."+toString(minor)+". At least 2.1 is needed.");
}
findMTDevice();
// SDL grabs the pointer in full screen mode. This breaks touchscreen usage.
// Can't use SDL_WM_GrabInput(SDL_GRAB_OFF) because it doesn't work in full
// screen mode. Get the display connection and do it manually.
XUngrabPointer(info.info.x11.display, CurrentTime);
XIEventMask mask;
mask.deviceid = m_DeviceID;
mask.mask_len = XIMaskLen(XI_LASTEVENT);
mask.mask = (unsigned char *)calloc(mask.mask_len, sizeof(char));
memset(mask.mask, 0, mask.mask_len);
XISetMask(mask.mask, XI_TouchBegin);
XISetMask(mask.mask, XI_TouchUpdate);
XISetMask(mask.mask, XI_TouchEnd);
status = XISelectEvents(s_pDisplay, info.info.x11.window, &mask, 1);
AVG_ASSERT(status == Success);
m_SDLUnlockFunc();
SDL_SetEventFilter(XInputMTInputDevice::filterEvent);
XIDetachSlaveInfo detInfo;
detInfo.type = XIDetachSlave;
detInfo.deviceid = m_DeviceID;
XIChangeHierarchy(s_pDisplay, (XIAnyHierarchyChangeInfo *)&detInfo, 1);
pEngine->setXIMTInputDevice(this);
MultitouchInputDevice::start();
AVG_TRACE(Logger::category::CONFIG, Logger::severity::INFO,
"XInput Multitouch event source created.");
}
static bool xdpy_create_display_window(ALLEGRO_SYSTEM_XGLX *system,
ALLEGRO_DISPLAY_XGLX *d, int w, int h, int adapter)
{
ALLEGRO_DISPLAY *display = (ALLEGRO_DISPLAY *)d;
/* Create a colormap. */
Colormap cmap = XCreateColormap(system->x11display,
RootWindow(system->x11display, d->xvinfo->screen),
d->xvinfo->visual, AllocNone);
/* Create an X11 window */
XSetWindowAttributes swa;
int mask = CWBorderPixel | CWColormap | CWEventMask;
swa.colormap = cmap;
swa.border_pixel = 0;
swa.event_mask =
KeyPressMask |
KeyReleaseMask |
StructureNotifyMask |
EnterWindowMask |
LeaveWindowMask |
FocusChangeMask |
ExposureMask |
PropertyChangeMask |
ButtonPressMask |
ButtonReleaseMask |
PointerMotionMask;
/* For a non-compositing window manager, a black background can look
* less broken if the application doesn't react to expose events fast
* enough. However in some cases like resizing, the black background
* causes horrible flicker.
*/
if (!(display->flags & ALLEGRO_RESIZABLE)) {
mask |= CWBackPixel;
swa.background_pixel = BlackPixel(system->x11display, d->xvinfo->screen);
}
int x_off = INT_MAX;
int y_off = INT_MAX;
if (display->flags & ALLEGRO_FULLSCREEN) {
_al_xglx_get_display_offset(system, d->adapter, &x_off, &y_off);
}
else {
/* We want new_display_adapter's offset to add to the
* new_window_position.
*/
int xscr_x = 0;
int xscr_y = 0;
al_get_new_window_position(&x_off, &y_off);
if (adapter >= 0) {
/* Non default adapter. I'm assuming this means the user wants the
* window to be placed on the adapter offset by new display pos.
*/
_al_xglx_get_display_offset(system, d->adapter, &xscr_x, &xscr_y);
if (x_off != INT_MAX)
x_off += xscr_x;
if (y_off != INT_MAX)
y_off += xscr_y;
}
}
d->window = XCreateWindow(system->x11display,
RootWindow(system->x11display, d->xvinfo->screen),
x_off != INT_MAX ? x_off : 0,
y_off != INT_MAX ? y_off : 0,
w, h, 0, d->xvinfo->depth,
InputOutput, d->xvinfo->visual, mask, &swa);
ALLEGRO_DEBUG("Window ID: %ld\n", (long)d->window);
/* Try to set full screen mode if requested, fail if we can't. */
if (display->flags & ALLEGRO_FULLSCREEN) {
/* According to the spec, the window manager is supposed to disable
* window decorations when _NET_WM_STATE_FULLSCREEN is in effect.
* However, some WMs may not be fully compliant, e.g. Fluxbox.
*/
_al_xwin_set_frame(display, false);
_al_xwin_set_above(display, 1);
if (!_al_xglx_fullscreen_set_mode(system, d, w, h, 0,
display->refresh_rate)) {
ALLEGRO_DEBUG("xdpy: failed to set fullscreen mode.\n");
return false;
}
}
if (display->flags & ALLEGRO_FRAMELESS) {
_al_xwin_set_frame(display, false);
}
ALLEGRO_DEBUG("X11 window created.\n");
/* Set the PID related to the window. */
Atom _NET_WM_PID = XInternAtom(system->x11display, "_NET_WM_PID", False);
int pid = getpid();
XChangeProperty(system->x11display, d->window, _NET_WM_PID, XA_CARDINAL,
32, PropModeReplace, (unsigned char *)&pid, 1);
_al_xwin_set_size_hints(display, x_off, y_off);
/* Let the window manager know we're a "normal" window */
Atom _NET_WM_WINDOW_TYPE;
Atom _NET_WM_WINDOW_TYPE_NORMAL;
_NET_WM_WINDOW_TYPE = XInternAtom(system->x11display, "_NET_WM_WINDOW_TYPE",
False);
_NET_WM_WINDOW_TYPE_NORMAL = XInternAtom(system->x11display,
"_NET_WM_WINDOW_TYPE_NORMAL",
False);
XChangeProperty(system->x11display, d->window, _NET_WM_WINDOW_TYPE, XA_ATOM,
32, PropModeReplace,
(unsigned char *)&_NET_WM_WINDOW_TYPE_NORMAL, 1);
/* This seems like a good idea */
const long _NET_WM_BYPASS_COMPOSITOR_HINT_ON = 1;
Atom _NET_WM_BYPASS_COMPOSITOR;
_NET_WM_BYPASS_COMPOSITOR = XInternAtom(system->x11display,
"_NET_WM_BYPASS_COMPOSITOR",
False);
XChangeProperty(system->x11display, d->window, _NET_WM_BYPASS_COMPOSITOR,
XA_CARDINAL, 32, PropModeReplace,
(unsigned char *)&_NET_WM_BYPASS_COMPOSITOR_HINT_ON, 1);
#ifdef ALLEGRO_XWINDOWS_WITH_XINPUT2
/* listen for touchscreen events */
XIEventMask event_mask;
event_mask.deviceid = XIAllMasterDevices;
event_mask.mask_len = XIMaskLen(XI_TouchEnd);
event_mask.mask = (unsigned char*)al_calloc(3, sizeof(char));
XISetMask(event_mask.mask, XI_TouchBegin);
XISetMask(event_mask.mask, XI_TouchUpdate);
XISetMask(event_mask.mask, XI_TouchEnd);
XISelectEvents(system->x11display, d->window, &event_mask, 1);
al_free(event_mask.mask);
#endif
return true;
}
static XIEventMask* set_hierarchy_mask(::Display *display,
int *nmasks_out,
bool *was_set,
bool *was_created)
{
XIEventMask *masks;
int nmasks;
bool mask_toggled = false;
bool new_mask_created = false;
XIEventMask *all_devices_mask = NULL;
masks = XIGetSelectedEvents(display, DefaultRootWindow(display), &nmasks);
/* masks is in a quirky data format (one chunk of memory). Change into a
format easier to manipulate. */
/* extra one, in case we have zero masks or no XIAllDevices mask */
XIEventMask *new_masks = new XIEventMask[nmasks + 1];
for (int i = 0; i < nmasks; i++) {
XIEventMask *m = &new_masks[i];
*m = masks[i];
if (masks[i].deviceid == XIAllDevices) {
all_devices_mask = m;
if (masks[i].mask_len < XIMaskLen(XI_HierarchyChanged)) {
m->mask_len = XIMaskLen(XI_HierarchyChanged);
mask_toggled = true;
} else
mask_toggled = !XIMaskIsSet(m->mask, XI_HierarchyChanged);
}
m->mask = new unsigned char[m->mask_len]();
memcpy(m->mask, masks[i].mask, masks[i].mask_len);
if (mask_toggled && m->deviceid == XIAllDevices)
XISetMask(m->mask, XI_HierarchyChanged);
}
if (!all_devices_mask) {
all_devices_mask = &new_masks[nmasks++];
all_devices_mask->deviceid = XIAllDevices;
all_devices_mask->mask_len = XIMaskLen(XI_HierarchyChanged);
all_devices_mask->mask = new unsigned char[all_devices_mask->mask_len]();
XISetMask(all_devices_mask->mask, XI_HierarchyChanged);
new_mask_created = true;
}
XFree(masks);
masks = NULL;
if (new_mask_created || mask_toggled) {
XISelectEvents(display, DefaultRootWindow(display), new_masks, nmasks);
XFlush(display);
}
*was_set = mask_toggled;
*was_created = new_mask_created;
*nmasks_out = nmasks;
return new_masks;
}
int
test_xi2(Display *display,
int argc,
char *argv[],
char *name,
char *desc)
{
XIEventMask mask[2];
XIEventMask *m;
Window win;
int deviceid = -1;
int use_root = 0;
int rc;
setvbuf(stdout, NULL, _IOLBF, 0);
if (argc >= 1 && strcmp(argv[0], "--root") == 0) {
use_root = 1;
argc--;
argv++;
}
rc = list(display, argc, argv, name, desc);
if (rc != EXIT_SUCCESS)
return rc;
if (use_root)
win = DefaultRootWindow(display);
else
win = create_win(display);
if (argc >= 1) {
XIDeviceInfo *info;
info = xi2_find_device_info(display, argv[0]);
deviceid = info->deviceid;
}
/* Select for motion events */
m = &mask[0];
m->deviceid = (deviceid == -1) ? XIAllDevices : deviceid;
m->mask_len = XIMaskLen(XI_LASTEVENT);
m->mask = calloc(m->mask_len, sizeof(char));
XISetMask(m->mask, XI_ButtonPress);
XISetMask(m->mask, XI_ButtonRelease);
XISetMask(m->mask, XI_KeyPress);
XISetMask(m->mask, XI_KeyRelease);
XISetMask(m->mask, XI_Motion);
XISetMask(m->mask, XI_DeviceChanged);
XISetMask(m->mask, XI_Enter);
XISetMask(m->mask, XI_Leave);
XISetMask(m->mask, XI_FocusIn);
XISetMask(m->mask, XI_FocusOut);
#ifdef HAVE_XI22
XISetMask(m->mask, XI_TouchBegin);
XISetMask(m->mask, XI_TouchUpdate);
XISetMask(m->mask, XI_TouchEnd);
#endif
if (m->deviceid == XIAllDevices)
XISetMask(m->mask, XI_HierarchyChanged);
XISetMask(m->mask, XI_PropertyEvent);
m = &mask[1];
m->deviceid = (deviceid == -1) ? XIAllMasterDevices : deviceid;
m->mask_len = XIMaskLen(XI_LASTEVENT);
m->mask = calloc(m->mask_len, sizeof(char));
XISetMask(m->mask, XI_RawKeyPress);
XISetMask(m->mask, XI_RawKeyRelease);
XISetMask(m->mask, XI_RawButtonPress);
XISetMask(m->mask, XI_RawButtonRelease);
XISetMask(m->mask, XI_RawMotion);
#ifdef HAVE_XI22
XISetMask(m->mask, XI_RawTouchBegin);
XISetMask(m->mask, XI_RawTouchUpdate);
XISetMask(m->mask, XI_RawTouchEnd);
#endif
XISelectEvents(display, win, &mask[0], use_root ? 2 : 1);
if (!use_root) {
XISelectEvents(display, DefaultRootWindow(display), &mask[1], 1);
XMapWindow(display, win);
}
XSync(display, False);
free(mask[0].mask);
free(mask[1].mask);
if (!use_root) {
XEvent event;
XMaskEvent(display, ExposureMask, &event);
XSelectInput(display, win, 0);
}
/*
test_sync_grab(display, win);
*/
while(1)
{
XEvent ev;
XGenericEventCookie *cookie = (XGenericEventCookie*)&ev.xcookie;
XNextEvent(display, (XEvent*)&ev);
if (XGetEventData(display, cookie) &&
cookie->type == GenericEvent &&
cookie->extension == xi_opcode)
{
printf("EVENT type %d (%s)\n", cookie->evtype, type_to_name(cookie->evtype));
switch (cookie->evtype)
{
case XI_DeviceChanged:
print_devicechangedevent(display, cookie->data);
break;
case XI_HierarchyChanged:
print_hierarchychangedevent(cookie->data);
break;
case XI_RawKeyPress:
case XI_RawKeyRelease:
case XI_RawButtonPress:
case XI_RawButtonRelease:
case XI_RawMotion:
case XI_RawTouchBegin:
case XI_RawTouchUpdate:
case XI_RawTouchEnd:
print_rawevent(cookie->data);
break;
case XI_Enter:
case XI_Leave:
case XI_FocusIn:
case XI_FocusOut:
print_enterleave(cookie->data);
break;
case XI_PropertyEvent:
print_propertyevent(display, cookie->data);
break;
default:
print_deviceevent(cookie->data);
break;
}
}
XFreeEventData(display, cookie);
}
XDestroyWindow(display, win);
return EXIT_SUCCESS;
}
void
meta_compositor_manage (MetaCompositor *compositor)
{
MetaDisplay *display = compositor->display;
Display *xdisplay = display->xdisplay;
MetaScreen *screen = display->screen;
Window xwin = 0;
gint width, height;
meta_screen_set_cm_selection (display->screen);
if (meta_is_wayland_compositor ())
{
MetaWaylandCompositor *wayland_compositor = meta_wayland_compositor_get_default ();
compositor->stage = meta_stage_new ();
wayland_compositor->stage = compositor->stage;
meta_screen_get_size (screen, &width, &height);
clutter_actor_set_size (compositor->stage, width, height);
clutter_actor_show (compositor->stage);
}
else
{
compositor->stage = clutter_stage_new ();
meta_screen_get_size (screen, &width, &height);
clutter_actor_realize (compositor->stage);
xwin = clutter_x11_get_stage_window (CLUTTER_STAGE (compositor->stage));
XResizeWindow (xdisplay, xwin, width, height);
{
MetaBackendX11 *backend = META_BACKEND_X11 (meta_get_backend ());
Display *backend_xdisplay = meta_backend_x11_get_xdisplay (backend);
unsigned char mask_bits[XIMaskLen (XI_LASTEVENT)] = { 0 };
XIEventMask mask = { XIAllMasterDevices, sizeof (mask_bits), mask_bits };
XISetMask (mask.mask, XI_KeyPress);
XISetMask (mask.mask, XI_KeyRelease);
XISetMask (mask.mask, XI_ButtonPress);
XISetMask (mask.mask, XI_ButtonRelease);
XISetMask (mask.mask, XI_Enter);
XISetMask (mask.mask, XI_Leave);
XISetMask (mask.mask, XI_FocusIn);
XISetMask (mask.mask, XI_FocusOut);
XISetMask (mask.mask, XI_Motion);
XIClearMask (mask.mask, XI_TouchBegin);
XIClearMask (mask.mask, XI_TouchEnd);
XIClearMask (mask.mask, XI_TouchUpdate);
XISelectEvents (backend_xdisplay, xwin, &mask, 1);
}
}
/* We use connect_after() here to accomodate code in GNOME Shell that,
* when benchmarking drawing performance, connects to ::after-paint
* and calls glFinish(). The timing information from that will be
* more accurate if we hold off until that completes before we signal
* apps to begin drawing the next frame. If there are no other
* connections to ::after-paint, connect() vs. connect_after() doesn't
* matter.
*/
g_signal_connect_after (CLUTTER_STAGE (compositor->stage), "after-paint",
G_CALLBACK (after_stage_paint), compositor);
clutter_stage_set_sync_delay (CLUTTER_STAGE (compositor->stage), META_SYNC_DELAY);
compositor->window_group = meta_window_group_new (screen);
compositor->top_window_group = meta_window_group_new (screen);
clutter_actor_add_child (compositor->stage, compositor->window_group);
clutter_actor_add_child (compositor->stage, compositor->top_window_group);
if (meta_is_wayland_compositor ())
{
/* NB: When running as a wayland compositor we don't need an X
* composite overlay window, and we don't need to play any input
* region tricks to redirect events into clutter. */
compositor->output = None;
}
else
{
compositor->output = screen->composite_overlay_window;
XReparentWindow (xdisplay, xwin, compositor->output, 0, 0);
meta_empty_stage_input_region (screen);
/* Make sure there isn't any left-over output shape on the
* overlay window by setting the whole screen to be an
* output region.
*
* Note: there doesn't seem to be any real chance of that
* because the X server will destroy the overlay window
* when the last client using it exits.
*/
XFixesSetWindowShapeRegion (xdisplay, compositor->output, ShapeBounding, 0, 0, None);
/* Map overlay window before redirecting windows offscreen so we catch their
* contents until we show the stage.
*/
XMapWindow (xdisplay, compositor->output);
}
redirect_windows (display->screen);
compositor->plugin_mgr = meta_plugin_manager_new (compositor);
}
void
meta_window_ensure_frame (MetaWindow *window)
{
MetaFrame *frame;
MetaScreen *screen;
XSetWindowAttributes attrs;
XVisualInfo visual_info;
Visual *visual;
int status;
if (window->frame)
return;
/* See comment below for why this is required. */
meta_display_grab (window->display);
frame = g_new (MetaFrame, 1);
frame->window = window;
frame->xwindow = None;
frame->rect = window->rect;
frame->child_x = 0;
frame->child_y = 0;
frame->bottom_height = 0;
frame->right_width = 0;
frame->current_cursor = 0;
frame->mapped = TRUE;
frame->need_reapply_frame_shape = TRUE;
frame->is_flashing = FALSE;
meta_verbose ("Framing window %s: visual %s default, depth %d default depth %d\n",
window->desc,
XVisualIDFromVisual (window->xvisual) ==
XVisualIDFromVisual (window->screen->default_xvisual) ?
"is" : "is not",
window->depth, window->screen->default_depth);
meta_verbose ("Frame geometry %d,%d %dx%d\n",
frame->rect.x, frame->rect.y,
frame->rect.width, frame->rect.height);
/* Default depth/visual handles clients with weird visuals; they can
* always be children of the root depth/visual obviously, but
* e.g. DRI games can't be children of a parent that has the same
* visual as the client. NULL means default visual.
*
* We look for an ARGB visual if we can find one, otherwise use
* the default of NULL.
*/
screen = meta_window_get_screen (window);
status = XMatchVisualInfo (window->display->xdisplay,
XScreenNumberOfScreen (screen->xscreen),
32, TrueColor,
&visual_info);
if (!status)
{
/* Special case for depth 32 windows (assumed to be ARGB),
* we use the window's visual. Otherwise we just use the system visual.
*/
if (window->depth == 32)
visual = window->xvisual;
else
visual = NULL;
}
else
visual = visual_info.visual;
frame->xwindow = meta_ui_create_frame_window (window->screen->ui,
window->display->xdisplay,
visual,
frame->rect.x,
frame->rect.y,
frame->rect.width,
frame->rect.height,
frame->window->screen->number);
meta_verbose ("Frame for %s is 0x%lx\n", frame->window->desc, frame->xwindow);
attrs.event_mask = EVENT_MASK;
XChangeWindowAttributes (window->display->xdisplay,
frame->xwindow, CWEventMask, &attrs);
meta_display_register_x_window (window->display, &frame->xwindow, window);
/* Reparent the client window; it may be destroyed,
* thus the error trap. We'll get a destroy notify later
* and free everything. Comment in FVWM source code says
* we need a server grab or the child can get its MapNotify
* before we've finished reparenting and getting the decoration
* window onscreen, so ensure_frame must be called with
* a grab.
*/
meta_error_trap_push (window->display);
if (window->mapped)
{
window->mapped = FALSE; /* the reparent will unmap the window,
* we don't want to take that as a withdraw
*/
meta_topic (META_DEBUG_WINDOW_STATE,
"Incrementing unmaps_pending on %s for reparent\n", window->desc);
window->unmaps_pending += 1;
}
/* window was reparented to this position */
window->rect.x = 0;
window->rect.y = 0;
XReparentWindow (window->display->xdisplay,
window->xwindow,
frame->xwindow,
window->rect.x,
window->rect.y);
/* FIXME handle this error */
meta_error_trap_pop (window->display, FALSE);
/* stick frame to the window */
window->frame = frame;
meta_ui_map_frame (window->screen->ui, window->frame->xwindow);
/* Now that frame->xwindow is registered with window, we can set its
* style and background.
*/
meta_ui_update_frame_style (window->screen->ui, frame->xwindow);
if (window->title)
meta_ui_set_frame_title (window->screen->ui,
window->frame->xwindow,
window->title);
/* Move keybindings to frame instead of window */
meta_window_grab_keys (window);
/* Shape mask */
meta_ui_apply_frame_shape (frame->window->screen->ui,
frame->xwindow,
frame->rect.width,
frame->rect.height,
frame->window->has_shape);
frame->need_reapply_frame_shape = FALSE;
meta_display_ungrab (window->display);
{
Display* xdisplay = window->display->xdisplay;
unsigned char mask_bits[XIMaskLen (XI_LASTEVENT)] = { 0 };
XIEventMask mask = { XIAllMasterDevices, sizeof (mask_bits), mask_bits };
XISetMask (mask.mask, XI_ButtonPress);
XISetMask (mask.mask, XI_ButtonRelease);
XISetMask (mask.mask, XI_Motion);
XISetMask (mask.mask, XI_Enter);
XISetMask (mask.mask, XI_Leave);
XISelectEvents (xdisplay, frame->xwindow, &mask, 1);
}
meta_prefs_add_listener (prefs_changed_callback, frame);
}
void
meta_window_ensure_frame (MetaWindow *window)
{
MetaFrame *frame;
XSetWindowAttributes attrs;
gulong create_serial;
if (window->frame)
return;
frame = g_new (MetaFrame, 1);
frame->window = window;
frame->xwindow = None;
frame->rect = window->rect;
frame->child_x = 0;
frame->child_y = 0;
frame->bottom_height = 0;
frame->right_width = 0;
frame->current_cursor = 0;
frame->is_flashing = FALSE;
frame->borders_cached = FALSE;
meta_verbose ("Frame geometry %d,%d %dx%d\n",
frame->rect.x, frame->rect.y,
frame->rect.width, frame->rect.height);
frame->ui_frame = meta_ui_create_frame (window->screen->ui,
window->display->xdisplay,
frame->window,
window->xvisual,
frame->rect.x,
frame->rect.y,
frame->rect.width,
frame->rect.height,
&create_serial);
frame->xwindow = frame->ui_frame->xwindow;
meta_stack_tracker_record_add (window->screen->stack_tracker,
frame->xwindow,
create_serial);
meta_verbose ("Frame for %s is 0x%lx\n", frame->window->desc, frame->xwindow);
attrs.event_mask = EVENT_MASK;
XChangeWindowAttributes (window->display->xdisplay,
frame->xwindow, CWEventMask, &attrs);
meta_display_register_x_window (window->display, &frame->xwindow, window);
meta_error_trap_push (window->display);
if (window->mapped)
{
window->mapped = FALSE; /* the reparent will unmap the window,
* we don't want to take that as a withdraw
*/
meta_topic (META_DEBUG_WINDOW_STATE,
"Incrementing unmaps_pending on %s for reparent\n", window->desc);
window->unmaps_pending += 1;
}
meta_stack_tracker_record_remove (window->screen->stack_tracker,
window->xwindow,
XNextRequest (window->display->xdisplay));
XReparentWindow (window->display->xdisplay,
window->xwindow,
frame->xwindow,
frame->child_x,
frame->child_y);
/* FIXME handle this error */
meta_error_trap_pop (window->display);
/* stick frame to the window */
window->frame = frame;
/* Now that frame->xwindow is registered with window, we can set its
* style and background.
*/
meta_frame_update_style (frame);
meta_frame_update_title (frame);
meta_ui_map_frame (frame->window->screen->ui, frame->xwindow);
{
MetaBackend *backend = meta_get_backend ();
if (META_IS_BACKEND_X11 (backend))
{
Display *xdisplay = meta_backend_x11_get_xdisplay (META_BACKEND_X11 (backend));
/* Since the backend selects for events on another connection,
* make sure to sync the GTK+ connection to ensure that the
* frame window has been created on the server at this point. */
XSync (window->display->xdisplay, False);
unsigned char mask_bits[XIMaskLen (XI_LASTEVENT)] = { 0 };
XIEventMask mask = { XIAllMasterDevices, sizeof (mask_bits), mask_bits };
XISelectEvents (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()),
frame->xwindow, &mask, 1);
XISetMask (mask.mask, XI_ButtonPress);
XISetMask (mask.mask, XI_ButtonRelease);
XISetMask (mask.mask, XI_Motion);
XISetMask (mask.mask, XI_Enter);
XISetMask (mask.mask, XI_Leave);
XISelectEvents (xdisplay, frame->xwindow, &mask, 1);
}
}
/* Move keybindings to frame instead of window */
meta_window_grab_keys (window);
}
