brl/mutter
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity
Files
d7d97f247767ace2655f1fd2a7bbee0c0c8cfb50
mutter/clutter/clutter/x11/clutter-device-manager-xi2.c
Olivier Fourdan c1303bd642 clutter/x11: Hook up pointer accessibility 
Pointer accessibility features requires to receive all pointer events
regardless of X11 grabs.

Add XI2 raw events mask and hook up the pointer accessibility handlers
to the raw motion and button press/release events.

https://gitlab.gnome.org/GNOME/mutter/merge_requests/512
2019-06-06 13:04:50 +02:00

2256 lines
71 KiB
C
Raw Blame History

/*
* Clutter.
*
* An OpenGL based 'interactive canvas' library.
*
* Copyright © 2011 Intel Corp.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*
* Author: Emmanuele Bassi <ebassi@linux.intel.com>
*/
#include "clutter-build-config.h"
#include <stdint.h>
#include "clutter-device-manager-xi2.h"
#include "clutter-backend-x11.h"
#include "clutter-input-device-xi2.h"
#include "clutter-input-device-tool-xi2.h"
#include "clutter-input-pointer-a11y-private.h"
#include "clutter-virtual-input-device-x11.h"
#include "clutter-stage-x11.h"
#include "clutter-backend.h"
#include "clutter-debug.h"
#include "clutter-device-manager-private.h"
#include "clutter-event-private.h"
#include "clutter-event-translator.h"
#include "clutter-stage-private.h"
#include "clutter-private.h"
#include "clutter-xkb-a11y-x11.h"
#include <X11/extensions/XInput2.h>
enum
{
PROP_0,
PROP_OPCODE,
PROP_LAST
};
static GParamSpec *obj_props[PROP_LAST] = { NULL, };
static const char *clutter_input_axis_atom_names[] = {
"Abs X", /* CLUTTER_INPUT_AXIS_X */
"Abs Y", /* CLUTTER_INPUT_AXIS_Y */
"Abs Pressure", /* CLUTTER_INPUT_AXIS_PRESSURE */
"Abs Tilt X", /* CLUTTER_INPUT_AXIS_XTILT */
"Abs Tilt Y", /* CLUTTER_INPUT_AXIS_YTILT */
"Abs Wheel", /* CLUTTER_INPUT_AXIS_WHEEL */
"Abs Distance", /* CLUTTER_INPUT_AXIS_DISTANCE */
};
#define N_AXIS_ATOMS G_N_ELEMENTS (clutter_input_axis_atom_names)
static const char *wacom_type_atoms[] = {
"STYLUS",
"CURSOR",
"ERASER",
"PAD",
"TOUCH"
};
#define N_WACOM_TYPE_ATOMS G_N_ELEMENTS (wacom_type_atoms)
enum
{
WACOM_TYPE_STYLUS,
WACOM_TYPE_CURSOR,
WACOM_TYPE_ERASER,
WACOM_TYPE_PAD,
WACOM_TYPE_TOUCH,
};
enum
{
PAD_AXIS_FIRST = 3, /* First axes are always x/y/pressure, ignored in pads */
PAD_AXIS_STRIP1 = PAD_AXIS_FIRST,
PAD_AXIS_STRIP2,
PAD_AXIS_RING1,
PAD_AXIS_RING2,
};
static Atom clutter_input_axis_atoms[N_AXIS_ATOMS] = { 0, };
static void clutter_event_translator_iface_init (ClutterEventTranslatorIface *iface);
static void clutter_event_extender_iface_init (ClutterEventExtenderInterface *iface);
#define clutter_device_manager_xi2_get_type _clutter_device_manager_xi2_get_type
G_DEFINE_TYPE_WITH_CODE (ClutterDeviceManagerXI2,
clutter_device_manager_xi2,
CLUTTER_TYPE_DEVICE_MANAGER,
G_IMPLEMENT_INTERFACE (CLUTTER_TYPE_EVENT_TRANSLATOR,
clutter_event_translator_iface_init)
G_IMPLEMENT_INTERFACE (CLUTTER_TYPE_EVENT_EXTENDER,
clutter_event_extender_iface_init))
static void
clutter_device_manager_x11_copy_event_data (ClutterEventExtender *event_extender,
const ClutterEvent *src,
ClutterEvent *dest)
{
gpointer event_x11;
event_x11 = _clutter_event_get_platform_data (src);
if (event_x11 != NULL)
_clutter_event_set_platform_data (dest, _clutter_event_x11_copy (event_x11));
}
static void
clutter_device_manager_x11_free_event_data (ClutterEventExtender *event_extender,
ClutterEvent *event)
{
gpointer event_x11;
event_x11 = _clutter_event_get_platform_data (event);
if (event_x11 != NULL)
_clutter_event_x11_free (event_x11);
}
static void
clutter_event_extender_iface_init (ClutterEventExtenderInterface *iface)
{
iface->copy_event_data = clutter_device_manager_x11_copy_event_data;
iface->free_event_data = clutter_device_manager_x11_free_event_data;
}
static void
translate_valuator_class (Display *xdisplay,
ClutterInputDevice *device,
XIValuatorClassInfo *class)
{
static gboolean atoms_initialized = FALSE;
ClutterInputAxis i, axis = CLUTTER_INPUT_AXIS_IGNORE;
if (G_UNLIKELY (!atoms_initialized))
{
XInternAtoms (xdisplay,
(char **) clutter_input_axis_atom_names, N_AXIS_ATOMS,
False,
clutter_input_axis_atoms);
atoms_initialized = TRUE;
}
for (i = 0;
i < N_AXIS_ATOMS;
i += 1)
{
if (clutter_input_axis_atoms[i] == class->label)
{
axis = i + 1;
break;
}
}
_clutter_input_device_add_axis (device, axis,
class->min,
class->max,
class->resolution);
CLUTTER_NOTE (BACKEND,
"Added axis '%s' (min:%.2f, max:%.2fd, res:%d) of device %d",
clutter_input_axis_atom_names[axis],
class->min,
class->max,
class->resolution,
device->id);
}
static void
translate_device_classes (Display *xdisplay,
ClutterInputDevice *device,
XIAnyClassInfo **classes,
guint n_classes)
{
gint i;
for (i = 0; i < n_classes; i++)
{
XIAnyClassInfo *class_info = classes[i];
switch (class_info->type)
{
case XIKeyClass:
{
XIKeyClassInfo *key_info = (XIKeyClassInfo *) class_info;
gint j;
_clutter_input_device_set_n_keys (device,
key_info->num_keycodes);
for (j = 0; j < key_info->num_keycodes; j++)
{
clutter_input_device_set_key (device, j,
key_info->keycodes[i],
0);
}
}
break;
case XIValuatorClass:
translate_valuator_class (xdisplay, device,
(XIValuatorClassInfo *) class_info);
break;
case XIScrollClass:
{
XIScrollClassInfo *scroll_info = (XIScrollClassInfo *) class_info;
ClutterScrollDirection direction;
if (scroll_info->scroll_type == XIScrollTypeVertical)
direction = CLUTTER_SCROLL_DOWN;
else
direction = CLUTTER_SCROLL_RIGHT;
CLUTTER_NOTE (BACKEND, "Scroll valuator %d: %s, increment: %f",
scroll_info->number,
scroll_info->scroll_type == XIScrollTypeVertical
? "vertical"
: "horizontal",
scroll_info->increment);
_clutter_input_device_add_scroll_info (device,
scroll_info->number,
direction,
scroll_info->increment);
}
break;
default:
break;
}
}
}
static gboolean
is_touch_device (XIAnyClassInfo **classes,
guint n_classes,
ClutterInputDeviceType *device_type,
guint *n_touch_points)
{
guint i;
for (i = 0; i < n_classes; i++)
{
XITouchClassInfo *class = (XITouchClassInfo *) classes[i];
if (class->type != XITouchClass)
continue;
if (class->num_touches > 0)
{
if (class->mode == XIDirectTouch)
*device_type = CLUTTER_TOUCHSCREEN_DEVICE;
else if (class->mode == XIDependentTouch)
*device_type = CLUTTER_TOUCHPAD_DEVICE;
else
continue;
*n_touch_points = class->num_touches;
return TRUE;
}
}
return FALSE;
}
static gboolean
is_touchpad_device (ClutterBackendX11 *backend_x11,
XIDeviceInfo *info)
{
gulong nitems, bytes_after;
guint32 *data = NULL;
int rc, format;
Atom type;
Atom prop;
prop = XInternAtom (backend_x11->xdpy, "libinput Tapping Enabled", True);
if (prop == None)
return FALSE;
clutter_x11_trap_x_errors ();
rc = XIGetProperty (backend_x11->xdpy,
info->deviceid,
prop,
0, 1, False, XA_INTEGER, &type, &format, &nitems, &bytes_after,
(guchar **) &data);
clutter_x11_untrap_x_errors ();
/* We don't care about the data */
XFree (data);
if (rc != Success || type != XA_INTEGER || format != 8 || nitems != 1)
return FALSE;
return TRUE;
}
static gboolean
get_device_ids (ClutterBackendX11 *backend_x11,
XIDeviceInfo *info,
gchar **vendor_id,
gchar **product_id)
{
gulong nitems, bytes_after;
guint32 *data = NULL;
int rc, format;
Atom type;
clutter_x11_trap_x_errors ();
rc = XIGetProperty (backend_x11->xdpy,
info->deviceid,
XInternAtom (backend_x11->xdpy, "Device Product ID", False),
0, 2, False, XA_INTEGER, &type, &format, &nitems, &bytes_after,
(guchar **) &data);
clutter_x11_untrap_x_errors ();
if (rc != Success || type != XA_INTEGER || format != 32 || nitems != 2)
{
XFree (data);
return FALSE;
}
if (vendor_id)
*vendor_id = g_strdup_printf ("%.4x", data[0]);
if (product_id)
*product_id = g_strdup_printf ("%.4x", data[1]);
XFree (data);
return TRUE;
}
static gchar *
get_device_node_path (ClutterBackendX11 *backend_x11,
XIDeviceInfo *info)
{
gulong nitems, bytes_after;
guchar *data;
int rc, format;
Atom prop, type;
gchar *node_path;
prop = XInternAtom (backend_x11->xdpy, "Device Node", False);
if (prop == None)
return NULL;
clutter_x11_trap_x_errors ();
rc = XIGetProperty (backend_x11->xdpy,
info->deviceid, prop, 0, 1024, False,
XA_STRING, &type, &format, &nitems, &bytes_after,
(guchar **) &data);
if (clutter_x11_untrap_x_errors ())
return NULL;
if (rc != Success || type != XA_STRING || format != 8)
{
XFree (data);
return FALSE;
}
node_path = g_strdup ((char *) data);
XFree (data);
return node_path;
}
static void
get_pad_features (XIDeviceInfo *info,
guint *n_rings,
guint *n_strips)
{
gint i, rings = 0, strips = 0;
for (i = PAD_AXIS_FIRST; i < info->num_classes; i++)
{
XIValuatorClassInfo *valuator = (XIValuatorClassInfo*) info->classes[i];
int axis = valuator->number;
if (valuator->type != XIValuatorClass)
continue;
if (valuator->max <= 1)
continue;
/* Ring/strip axes are fixed in pad devices as handled by the
* wacom driver. Match those to detect pad features.
*/
if (axis == PAD_AXIS_STRIP1 || axis == PAD_AXIS_STRIP2)
strips++;
else if (axis == PAD_AXIS_RING1 || axis == PAD_AXIS_RING2)
rings++;
}
*n_rings = rings;
*n_strips = strips;
}
/* The Wacom driver exports the tool type as property. Use that over
guessing based on the device name */
static gboolean
guess_source_from_wacom_type (ClutterBackendX11 *backend_x11,
XIDeviceInfo *info,
ClutterInputDeviceType *source_out)
{
gulong nitems, bytes_after;
guint32 *data = NULL;
int rc, format;
Atom type;
Atom prop;
Atom device_type;
Atom types[N_WACOM_TYPE_ATOMS];
prop = XInternAtom (backend_x11->xdpy, "Wacom Tool Type", True);
if (prop == None)
return FALSE;
clutter_x11_trap_x_errors ();
rc = XIGetProperty (backend_x11->xdpy,
info->deviceid,
prop,
0, 1, False, XA_ATOM, &type, &format, &nitems, &bytes_after,
(guchar **) &data);
clutter_x11_untrap_x_errors ();
if (rc != Success || type != XA_ATOM || format != 32 || nitems != 1)
{
XFree (data);
return FALSE;
}
device_type = *data;
XFree (data);
if (device_type == 0)
return FALSE;
rc = XInternAtoms (backend_x11->xdpy,
(char **)wacom_type_atoms,
N_WACOM_TYPE_ATOMS,
False,
types);
if (rc == 0)
return FALSE;
if (device_type == types[WACOM_TYPE_STYLUS])
{
*source_out = CLUTTER_PEN_DEVICE;
}
else if (device_type == types[WACOM_TYPE_CURSOR])
{
*source_out = CLUTTER_CURSOR_DEVICE;
}
else if (device_type == types[WACOM_TYPE_ERASER])
{
*source_out = CLUTTER_ERASER_DEVICE;
}
else if (device_type == types[WACOM_TYPE_PAD])
{
*source_out = CLUTTER_PAD_DEVICE;
}
else if (device_type == types[WACOM_TYPE_TOUCH])
{
guint num_touches = 0;
if (!is_touch_device (info->classes, info->num_classes,
source_out, &num_touches))
*source_out = CLUTTER_TOUCHSCREEN_DEVICE;
}
else
{
return FALSE;
}
return TRUE;
}
static ClutterInputDevice *
create_device (ClutterDeviceManagerXI2 *manager_xi2,
ClutterBackendX11 *backend_x11,
XIDeviceInfo *info)
{
ClutterInputDeviceType source, touch_source;
ClutterInputDevice *retval;
ClutterInputMode mode;
gboolean is_enabled;
guint num_touches = 0, num_rings = 0, num_strips = 0;
gchar *vendor_id = NULL, *product_id = NULL, *node_path = NULL;
if (info->use == XIMasterKeyboard || info->use == XISlaveKeyboard)
{
source = CLUTTER_KEYBOARD_DEVICE;
}
else if (is_touchpad_device (backend_x11, info))
{
source = CLUTTER_TOUCHPAD_DEVICE;
}
else if (info->use == XISlavePointer &&
is_touch_device (info->classes, info->num_classes,
&touch_source,
&num_touches))
{
source = touch_source;
}
else if (!guess_source_from_wacom_type (backend_x11, info, &source))
{
gchar *name;
name = g_ascii_strdown (info->name, -1);
if (strstr (name, "eraser") != NULL)
source = CLUTTER_ERASER_DEVICE;
else if (strstr (name, "cursor") != NULL)
source = CLUTTER_CURSOR_DEVICE;
else if (strstr (name, " pad") != NULL)
source = CLUTTER_PAD_DEVICE;
else if (strstr (name, "wacom") != NULL || strstr (name, "pen") != NULL)
source = CLUTTER_PEN_DEVICE;
else if (strstr (name, "touchpad") != NULL)
source = CLUTTER_TOUCHPAD_DEVICE;
else
source = CLUTTER_POINTER_DEVICE;
g_free (name);
}
switch (info->use)
{
case XIMasterKeyboard:
case XIMasterPointer:
mode = CLUTTER_INPUT_MODE_MASTER;
is_enabled = TRUE;
break;
case XISlaveKeyboard:
case XISlavePointer:
mode = CLUTTER_INPUT_MODE_SLAVE;
is_enabled = FALSE;
break;
case XIFloatingSlave:
default:
mode = CLUTTER_INPUT_MODE_FLOATING;
is_enabled = FALSE;
break;
}
if (info->use != XIMasterKeyboard &&
info->use != XIMasterPointer)
{
get_device_ids (backend_x11, info, &vendor_id, &product_id);
node_path = get_device_node_path (backend_x11, info);
}
if (source == CLUTTER_PAD_DEVICE)
{
is_enabled = TRUE;
get_pad_features (info, &num_rings, &num_strips);
}
retval = g_object_new (CLUTTER_TYPE_INPUT_DEVICE_XI2,
"name", info->name,
"id", info->deviceid,
"has-cursor", (info->use == XIMasterPointer),
"device-manager", manager_xi2,
"device-type", source,
"device-mode", mode,
"backend", backend_x11,
"enabled", is_enabled,
"vendor-id", vendor_id,
"product-id", product_id,
"device-node", node_path,
"n-rings", num_rings,
"n-strips", num_strips,
"n-mode-groups", MAX (num_rings, num_strips),
NULL);
translate_device_classes (backend_x11->xdpy, retval,
info->classes,
info->num_classes);
#ifdef HAVE_LIBWACOM
if (source == CLUTTER_PAD_DEVICE)
clutter_input_device_xi2_ensure_wacom_info (retval, manager_xi2->wacom_db);
#endif
g_free (vendor_id);
g_free (product_id);
g_free (node_path);
CLUTTER_NOTE (BACKEND, "Created device '%s' (id: %d, has-cursor: %s)",
info->name,
info->deviceid,
info->use == XIMasterPointer ? "yes" : "no");
return retval;
}
static void
pad_passive_button_grab (ClutterInputDevice *device)
{
XIGrabModifiers xi_grab_mods = { XIAnyModifier, };
XIEventMask xi_event_mask;
gint device_id, rc;
device_id = clutter_input_device_get_device_id (device);
xi_event_mask.deviceid = device_id;
xi_event_mask.mask_len = XIMaskLen (XI_LASTEVENT);
xi_event_mask.mask = g_new0 (unsigned char, xi_event_mask.mask_len);
XISetMask (xi_event_mask.mask, XI_Motion);
XISetMask (xi_event_mask.mask, XI_ButtonPress);
XISetMask (xi_event_mask.mask, XI_ButtonRelease);
clutter_x11_trap_x_errors ();
rc = XIGrabButton (clutter_x11_get_default_display (),
device_id, XIAnyButton,
clutter_x11_get_root_window (), None,
XIGrabModeSync, XIGrabModeSync,
True, &xi_event_mask, 1, &xi_grab_mods);
if (rc != 0)
{
g_warning ("Could not passively grab pad device: %s",
clutter_input_device_get_device_name (device));
}
else
{
XIAllowEvents (clutter_x11_get_default_display (),
device_id, XIAsyncDevice,
CLUTTER_CURRENT_TIME);
}
clutter_x11_untrap_x_errors ();
g_free (xi_event_mask.mask);
}
static ClutterInputDevice *
add_device (ClutterDeviceManagerXI2 *manager_xi2,
ClutterBackendX11 *backend_x11,
XIDeviceInfo *info,
gboolean in_construction)
{
ClutterInputDevice *device;
device = create_device (manager_xi2, backend_x11, info);
/* we don't go through the DeviceManager::add_device() vfunc because
* that emits the signal, and we only do it conditionally
*/
g_hash_table_replace (manager_xi2->devices_by_id,
GINT_TO_POINTER (info->deviceid),
device);
if (info->use == XIMasterPointer ||
info->use == XIMasterKeyboard)
{
manager_xi2->master_devices =
g_list_prepend (manager_xi2->master_devices, device);
}
else if (info->use == XISlavePointer ||
info->use == XISlaveKeyboard ||
info->use == XIFloatingSlave)
{
manager_xi2->slave_devices =
g_list_prepend (manager_xi2->slave_devices, device);
}
else
g_warning ("Unhandled device: %s",
clutter_input_device_get_device_name (device));
if (clutter_input_device_get_device_type (device) == CLUTTER_PAD_DEVICE)
pad_passive_button_grab (device);
/* relationships between devices and signal emissions are not
* necessary while we're constructing the device manager instance
*/
if (!in_construction)
{
if (info->use == XISlavePointer || info->use == XISlaveKeyboard)
{
ClutterInputDevice *master;
master = g_hash_table_lookup (manager_xi2->devices_by_id,
GINT_TO_POINTER (info->attachment));
_clutter_input_device_set_associated_device (device, master);
_clutter_input_device_add_slave (master, device);
}
/* blow the cache */
g_slist_free (manager_xi2->all_devices);
manager_xi2->all_devices = NULL;
g_signal_emit_by_name (manager_xi2, "device-added", device);
}
return device;
}
static void
remove_device (ClutterDeviceManagerXI2 *manager_xi2,
gint device_id)
{
ClutterInputDevice *device;
device = g_hash_table_lookup (manager_xi2->devices_by_id,
GINT_TO_POINTER (device_id));
if (device != NULL)
{
manager_xi2->master_devices =
g_list_remove (manager_xi2->master_devices, device);
manager_xi2->slave_devices =
g_list_remove (manager_xi2->slave_devices, device);
/* blow the cache */
g_slist_free (manager_xi2->all_devices);
manager_xi2->all_devices = NULL;
g_signal_emit_by_name (manager_xi2, "device-removed", device);
g_object_run_dispose (G_OBJECT (device));
g_hash_table_remove (manager_xi2->devices_by_id,
GINT_TO_POINTER (device_id));
}
}
static void
translate_hierarchy_event (ClutterBackendX11 *backend_x11,
ClutterDeviceManagerXI2 *manager_xi2,
XIHierarchyEvent *ev)
{
int i;
for (i = 0; i < ev->num_info; i++)
{
if (ev->info[i].flags & XIDeviceEnabled &&
!g_hash_table_lookup (manager_xi2->devices_by_id,
GINT_TO_POINTER (ev->info[i].deviceid)))
{
XIDeviceInfo *info;
int n_devices;
CLUTTER_NOTE (EVENT, "Hierarchy event: device enabled");
clutter_x11_trap_x_errors ();
info = XIQueryDevice (backend_x11->xdpy,
ev->info[i].deviceid,
&n_devices);
clutter_x11_untrap_x_errors ();
if (info != NULL)
{
add_device (manager_xi2, backend_x11, &info[0], FALSE);
XIFreeDeviceInfo (info);
}
}
else if (ev->info[i].flags & XIDeviceDisabled)
{
CLUTTER_NOTE (EVENT, "Hierarchy event: device disabled");
remove_device (manager_xi2, ev->info[i].deviceid);
}
else if ((ev->info[i].flags & XISlaveAttached) ||
(ev->info[i].flags & XISlaveDetached))
{
ClutterInputDevice *master, *slave;
XIDeviceInfo *info;
int n_devices;
gboolean send_changed = FALSE;
CLUTTER_NOTE (EVENT, "Hierarchy event: slave %s",
(ev->info[i].flags & XISlaveAttached)
? "attached"
: "detached");
slave = g_hash_table_lookup (manager_xi2->devices_by_id,
GINT_TO_POINTER (ev->info[i].deviceid));
master = clutter_input_device_get_associated_device (slave);
/* detach the slave in both cases */
if (master != NULL)
{
_clutter_input_device_remove_slave (master, slave);
_clutter_input_device_set_associated_device (slave, NULL);
send_changed = TRUE;
}
/* and attach the slave to the new master if needed */
if (ev->info[i].flags & XISlaveAttached)
{
clutter_x11_trap_x_errors ();
info = XIQueryDevice (backend_x11->xdpy,
ev->info[i].deviceid,
&n_devices);
clutter_x11_untrap_x_errors ();
if (info != NULL)
{
master = g_hash_table_lookup (manager_xi2->devices_by_id,
GINT_TO_POINTER (info->attachment));
if (master != NULL)
{
_clutter_input_device_set_associated_device (slave, master);
_clutter_input_device_add_slave (master, slave);
send_changed = TRUE;
}
XIFreeDeviceInfo (info);
}
}
if (send_changed)
{
ClutterStage *stage = _clutter_input_device_get_stage (master);
if (stage != NULL)
_clutter_stage_x11_events_device_changed (CLUTTER_STAGE_X11 (_clutter_stage_get_window (stage)),
master,
CLUTTER_DEVICE_MANAGER (manager_xi2));
}
}
}
}
static void
clutter_device_manager_xi2_select_events (ClutterDeviceManager *manager,
Window xwindow,
XIEventMask *event_mask)
{
Display *xdisplay;
xdisplay = clutter_x11_get_default_display ();
XISelectEvents (xdisplay, xwindow, event_mask, 1);
}
static ClutterStage *
get_event_stage (ClutterEventTranslator *translator,
XIEvent *xi_event)
{
Window xwindow = None;
switch (xi_event->evtype)
{
case XI_KeyPress:
case XI_KeyRelease:
case XI_ButtonPress:
case XI_ButtonRelease:
case XI_Motion:
case XI_TouchBegin:
case XI_TouchUpdate:
case XI_TouchEnd:
{
XIDeviceEvent *xev = (XIDeviceEvent *) xi_event;
xwindow = xev->event;
}
break;
case XI_Enter:
case XI_Leave:
case XI_FocusIn:
case XI_FocusOut:
{
XIEnterEvent *xev = (XIEnterEvent *) xi_event;
xwindow = xev->event;
}
break;
default:
break;
}
if (xwindow == None)
return NULL;
return clutter_x11_get_stage_from_window (xwindow);
}
/*
* print_key_sym: Translate a symbol to its printable form if any
* @symbol: the symbol to translate
* @buffer: the buffer where to put the translated string
* @len: size of the buffer
*
* Translates @symbol into a printable representation in @buffer, if possible.
*
* Return value: The number of bytes of the translated string, 0 if the
* symbol can't be printed
*
* Note: The code is derived from libX11's src/KeyBind.c
* Copyright 1985, 1987, 1998 The Open Group
*
* Note: This code works for Latin-1 symbols. clutter_keysym_to_unicode()
* does the work for the other keysyms.
*/
static int
print_keysym (uint32_t symbol,
char *buffer,
int len)
{
unsigned long high_bytes;
unsigned char c;
high_bytes = symbol >> 8;
if (!(len &&
((high_bytes == 0) ||
((high_bytes == 0xFF) &&
(((symbol >= CLUTTER_KEY_BackSpace) &&
(symbol <= CLUTTER_KEY_Clear)) ||
(symbol == CLUTTER_KEY_Return) ||
(symbol == CLUTTER_KEY_Escape) ||
(symbol == CLUTTER_KEY_KP_Space) ||
(symbol == CLUTTER_KEY_KP_Tab) ||
(symbol == CLUTTER_KEY_KP_Enter) ||
((symbol >= CLUTTER_KEY_KP_Multiply) &&
(symbol <= CLUTTER_KEY_KP_9)) ||
(symbol == CLUTTER_KEY_KP_Equal) ||
(symbol == CLUTTER_KEY_Delete))))))
return 0;
/* if X keysym, convert to ascii by grabbing low 7 bits */
if (symbol == CLUTTER_KEY_KP_Space)
c = CLUTTER_KEY_space & 0x7F; /* patch encoding botch */
else if (high_bytes == 0xFF)
c = symbol & 0x7F;
else
c = symbol & 0xFF;
buffer[0] = c;
return 1;
}
static gdouble *
translate_axes (ClutterInputDevice *device,
gdouble x,
gdouble y,
XIValuatorState *valuators)
{
guint n_axes = clutter_input_device_get_n_axes (device);
guint i;
gdouble *retval;
double *values;
retval = g_new0 (gdouble, n_axes);
values = valuators->values;
for (i = 0; i < valuators->mask_len * 8; i++)
{
ClutterInputAxis axis;
gdouble val;
if (!XIMaskIsSet (valuators->mask, i))
continue;
axis = clutter_input_device_get_axis (device, i);
val = *values++;
switch (axis)
{
case CLUTTER_INPUT_AXIS_X:
retval[i] = x;
break;
case CLUTTER_INPUT_AXIS_Y:
retval[i] = y;
break;
default:
_clutter_input_device_translate_axis (device, i, val, &retval[i]);
break;
}
}
return retval;
}
static gboolean
translate_pad_axis (ClutterInputDevice *device,
XIValuatorState *valuators,
ClutterEventType *evtype,
guint *number,
gdouble *value)
{
double *values;
gint i;
values = valuators->values;
for (i = PAD_AXIS_FIRST; i < valuators->mask_len * 8; i++)
{
gdouble val;
guint axis_number = 0;
if (!XIMaskIsSet (valuators->mask, i))
continue;
val = *values++;
if (val <= 0)
continue;
_clutter_input_device_translate_axis (device, i, val, value);
if (i == PAD_AXIS_RING1 || i == PAD_AXIS_RING2)
{
*evtype = CLUTTER_PAD_RING;
(*value) *= 360.0;
}
else if (i == PAD_AXIS_STRIP1 || i == PAD_AXIS_STRIP2)
{
*evtype = CLUTTER_PAD_STRIP;
}
else
continue;
if (i == PAD_AXIS_STRIP2 || i == PAD_AXIS_RING2)
axis_number++;
*number = axis_number;
return TRUE;
}
return FALSE;
}
static void
translate_coords (ClutterStageX11 *stage_x11,
gdouble event_x,
gdouble event_y,
gfloat *x_out,
gfloat *y_out)
{
ClutterStageCogl *stage_cogl = CLUTTER_STAGE_COGL (stage_x11);
ClutterActor *stage = CLUTTER_ACTOR (stage_cogl->wrapper);
gfloat stage_width;
gfloat stage_height;
clutter_actor_get_size (stage, &stage_width, &stage_height);
*x_out = CLAMP (event_x, 0, stage_width);
*y_out = CLAMP (event_y, 0, stage_height);
}
static gdouble
scroll_valuators_changed (ClutterInputDevice *device,
XIValuatorState *valuators,
gdouble *dx_p,
gdouble *dy_p)
{
gboolean retval = FALSE;
guint n_axes, n_val, i;
double *values;
n_axes = clutter_input_device_get_n_axes (device);
values = valuators->values;
*dx_p = *dy_p = 0.0;
n_val = 0;
for (i = 0; i < MIN (valuators->mask_len * 8, n_axes); i++)
{
ClutterScrollDirection direction;
gdouble delta;
if (!XIMaskIsSet (valuators->mask, i))
continue;
if (_clutter_input_device_get_scroll_delta (device, i,
values[n_val],
&direction,
&delta))
{
retval = TRUE;
if (direction == CLUTTER_SCROLL_UP ||
direction == CLUTTER_SCROLL_DOWN)
*dy_p = delta;
else
*dx_p = delta;
}
n_val += 1;
}
return retval;
}
static void
clutter_device_manager_xi2_select_stage_events (ClutterDeviceManager *manager,
ClutterStage *stage)
{
ClutterBackendX11 *backend_x11;
ClutterStageX11 *stage_x11;
XIEventMask xi_event_mask;
unsigned char *mask;
int len;
backend_x11 = CLUTTER_BACKEND_X11 (clutter_get_default_backend ());
stage_x11 = CLUTTER_STAGE_X11 (_clutter_stage_get_window (stage));
len = XIMaskLen (XI_LASTEVENT);
mask = g_new0 (unsigned char, len);
XISetMask (mask, XI_Motion);
XISetMask (mask, XI_ButtonPress);
XISetMask (mask, XI_ButtonRelease);
XISetMask (mask, XI_KeyPress);
XISetMask (mask, XI_KeyRelease);
XISetMask (mask, XI_Enter);
XISetMask (mask, XI_Leave);
/* enable touch event support if we're running on XInput 2.2 */
if (backend_x11->xi_minor >= 2)
{
XISetMask (mask, XI_TouchBegin);
XISetMask (mask, XI_TouchUpdate);
XISetMask (mask, XI_TouchEnd);
}
xi_event_mask.deviceid = XIAllMasterDevices;
xi_event_mask.mask = mask;
xi_event_mask.mask_len = len;
XISelectEvents (backend_x11->xdpy, stage_x11->xwin, &xi_event_mask, 1);
g_free (mask);
}
static guint
device_get_tool_serial (ClutterBackendX11 *backend_x11,
ClutterInputDevice *device)
{
gulong nitems, bytes_after;
guint32 *data = NULL;
guint serial_id = 0;
int rc, format;
Atom type;
Atom prop;
prop = XInternAtom (backend_x11->xdpy, "Wacom Serial IDs", True);
if (prop == None)
return 0;
clutter_x11_trap_x_errors ();
rc = XIGetProperty (backend_x11->xdpy,
clutter_input_device_get_device_id (device),
prop, 0, 4, FALSE, XA_INTEGER, &type, &format, &nitems, &bytes_after,
(guchar **) &data);
clutter_x11_untrap_x_errors ();
if (rc == Success && type == XA_INTEGER && format == 32 && nitems >= 4)
serial_id = data[3];
XFree (data);
return serial_id;
}
static void
handle_property_event (ClutterDeviceManagerXI2 *manager_xi2,
XIEvent *event)
{
XIPropertyEvent *xev = (XIPropertyEvent *) event;
ClutterBackendX11 *backend_x11 = CLUTTER_BACKEND_X11 (clutter_get_default_backend ());
Atom serial_ids_prop = XInternAtom (backend_x11->xdpy, "Wacom Serial IDs", True);
ClutterInputDevice *device;
device = g_hash_table_lookup (manager_xi2->devices_by_id,
GINT_TO_POINTER (xev->deviceid));
if (!device)
return;
if (xev->property == serial_ids_prop)
{
ClutterInputDeviceTool *tool = NULL;
ClutterInputDeviceToolType type;
guint serial_id;
serial_id = device_get_tool_serial (backend_x11, device);
if (serial_id != 0)
{
tool = g_hash_table_lookup (manager_xi2->tools_by_serial,
GUINT_TO_POINTER (serial_id));
if (!tool)
{
type = clutter_input_device_get_device_type (device) == CLUTTER_ERASER_DEVICE ?
CLUTTER_INPUT_DEVICE_TOOL_ERASER : CLUTTER_INPUT_DEVICE_TOOL_PEN;
tool = clutter_input_device_tool_xi2_new (serial_id, type);
g_hash_table_insert (manager_xi2->tools_by_serial,
GUINT_TO_POINTER (serial_id),
tool);
}
}
clutter_input_device_xi2_update_tool (device, tool);
g_signal_emit_by_name (manager_xi2, "tool-changed", device, tool);
}
}
static gboolean
translate_pad_event (ClutterEvent *event,
XIDeviceEvent *xev,
ClutterInputDevice *device)
{
gdouble value;
guint number, mode = 0;
if (!translate_pad_axis (device, &xev->valuators,
&event->any.type,
&number, &value))
return FALSE;
/* When touching a ring/strip a first XI_Motion event
* is generated. Use it to reset the pad state, so
* later events actually have a directionality.
*/
if (xev->evtype == XI_Motion)
value = -1;
#ifdef HAVE_LIBWACOM
mode = clutter_input_device_xi2_get_pad_group_mode (device, number);
#endif
if (event->any.type == CLUTTER_PAD_RING)
{
event->pad_ring.ring_number = number;
event->pad_ring.angle = value;
event->pad_ring.mode = mode;
}
else
{
event->pad_strip.strip_number = number;
event->pad_strip.value = value;
event->pad_strip.mode = mode;
}
event->any.time = xev->time;
clutter_event_set_device (event, device);
clutter_event_set_source_device (event, device);
CLUTTER_NOTE (EVENT,
"%s: win:0x%x, device:%d '%s', time:%d "
"(value:%f)",
event->any.type == CLUTTER_PAD_RING
? "pad ring "
: "pad strip",
(unsigned int) xev->event,
device->id,
device->device_name,
event->any.time, value);
return TRUE;
}
static void
handle_raw_event (ClutterDeviceManagerXI2 *manager_xi2,
XEvent *xevent)
{
ClutterInputDevice *device;
XGenericEventCookie *cookie;
XIEvent *xi_event;
XIRawEvent *xev;
float x,y;
cookie = &xevent->xcookie;
xi_event = (XIEvent *) cookie->data;
xev = (XIRawEvent *) xi_event;
device = g_hash_table_lookup (manager_xi2->devices_by_id,
GINT_TO_POINTER (xev->deviceid));
if (device == NULL)
return;
if (!_clutter_is_input_pointer_a11y_enabled (device))
return;
switch (cookie->evtype)
{
case XI_RawMotion:
CLUTTER_NOTE (EVENT,
"raw motion: device:%d '%s'",
device->id,
device->device_name);
/* We don't get actual pointer location with raw events, and we cannot
* rely on `clutter_input_device_get_coords()` either because of
* unreparented toplevels (like all client-side decoration windows),
* so we need to explicitely query the pointer here...
*/
if (clutter_input_device_xi2_get_pointer_location (device, &x, &y))
_clutter_input_pointer_a11y_on_motion_event (device, x, y);
break;
case XI_RawButtonPress:
case XI_RawButtonRelease:
CLUTTER_NOTE (EVENT,
"raw button %s: device:%d '%s' button %i",
cookie->evtype == XI_RawButtonPress
? "press "
: "release",
device->id,
device->device_name,
xev->detail);
_clutter_input_pointer_a11y_on_button_event (device,
xev->detail,
(cookie->evtype == XI_RawButtonPress));
break;
}
}
static ClutterTranslateReturn
clutter_device_manager_xi2_translate_event (ClutterEventTranslator *translator,
gpointer native,
ClutterEvent *event)
{
ClutterDeviceManagerXI2 *manager_xi2 = CLUTTER_DEVICE_MANAGER_XI2 (translator);
ClutterTranslateReturn retval = CLUTTER_TRANSLATE_CONTINUE;
ClutterBackendX11 *backend_x11;
ClutterStageX11 *stage_x11 = NULL;
ClutterStage *stage = NULL;
ClutterInputDevice *device, *source_device;
XGenericEventCookie *cookie;
XIEvent *xi_event;
XEvent *xevent;
backend_x11 = CLUTTER_BACKEND_X11 (clutter_get_default_backend ());
xevent = native;
cookie = &xevent->xcookie;
if (cookie->type != GenericEvent ||
cookie->extension != manager_xi2->opcode)
return CLUTTER_TRANSLATE_CONTINUE;
xi_event = (XIEvent *) cookie->data;
if (!xi_event)
return CLUTTER_TRANSLATE_REMOVE;
if (cookie->evtype == XI_RawMotion ||
cookie->evtype == XI_RawButtonPress ||
cookie->evtype == XI_RawButtonRelease)
{
handle_raw_event (manager_xi2, xevent);
return CLUTTER_TRANSLATE_REMOVE;
}
if (!(xi_event->evtype == XI_HierarchyChanged ||
xi_event->evtype == XI_DeviceChanged ||
xi_event->evtype == XI_PropertyEvent))
{
stage = get_event_stage (translator, xi_event);
if (stage == NULL || CLUTTER_ACTOR_IN_DESTRUCTION (stage))
return CLUTTER_TRANSLATE_CONTINUE;
else
stage_x11 = CLUTTER_STAGE_X11 (_clutter_stage_get_window (stage));
}
event->any.stage = stage;
switch (xi_event->evtype)
{
case XI_HierarchyChanged:
{
XIHierarchyEvent *xev = (XIHierarchyEvent *) xi_event;
translate_hierarchy_event (backend_x11, manager_xi2, xev);
}
retval = CLUTTER_TRANSLATE_REMOVE;
break;
case XI_DeviceChanged:
{
XIDeviceChangedEvent *xev = (XIDeviceChangedEvent *) xi_event;
device = g_hash_table_lookup (manager_xi2->devices_by_id,
GINT_TO_POINTER (xev->deviceid));
source_device = g_hash_table_lookup (manager_xi2->devices_by_id,
GINT_TO_POINTER (xev->sourceid));
if (device)
{
_clutter_input_device_reset_axes (device);
translate_device_classes (backend_x11->xdpy,
device,
xev->classes,
xev->num_classes);
}
if (source_device)
_clutter_input_device_reset_scroll_info (source_device);
}
retval = CLUTTER_TRANSLATE_REMOVE;
break;
case XI_KeyPress:
case XI_KeyRelease:
{
XIDeviceEvent *xev = (XIDeviceEvent *) xi_event;
ClutterEventX11 *event_x11;
char buffer[7] = { 0, };
gunichar n;
event->key.type = event->type = (xev->evtype == XI_KeyPress)
? CLUTTER_KEY_PRESS
: CLUTTER_KEY_RELEASE;
if (xev->evtype == XI_KeyPress && xev->flags & XIKeyRepeat)
clutter_event_set_flags (event, CLUTTER_EVENT_FLAG_REPEATED);
event->key.time = xev->time;
event->key.stage = stage;
_clutter_input_device_xi2_translate_state (event, &xev->mods, &xev->buttons, &xev->group);
event->key.hardware_keycode = xev->detail;
/* keyval is the key ignoring all modifiers ('1' vs. '!') */
event->key.keyval =
_clutter_keymap_x11_translate_key_state (backend_x11->keymap,
event->key.hardware_keycode,
&event->key.modifier_state,
NULL);
/* KeyEvents have platform specific data associated to them */
event_x11 = _clutter_event_x11_new ();
_clutter_event_set_platform_data (event, event_x11);
event_x11->key_group =
_clutter_keymap_x11_get_key_group (backend_x11->keymap,
event->key.modifier_state);
event_x11->key_is_modifier =
_clutter_keymap_x11_get_is_modifier (backend_x11->keymap,
event->key.hardware_keycode);
event_x11->num_lock_set =
clutter_keymap_get_num_lock_state (CLUTTER_KEYMAP (backend_x11->keymap));
event_x11->caps_lock_set =
clutter_keymap_get_caps_lock_state (CLUTTER_KEYMAP (backend_x11->keymap));
source_device = g_hash_table_lookup (manager_xi2->devices_by_id,
GINT_TO_POINTER (xev->sourceid));
clutter_event_set_source_device (event, source_device);
device = g_hash_table_lookup (manager_xi2->devices_by_id,
GINT_TO_POINTER (xev->deviceid));
clutter_event_set_device (event, device);
/* XXX keep this in sync with the evdev device manager */
n = print_keysym (event->key.keyval, buffer, sizeof (buffer));
if (n == 0)
{
/* not printable */
event->key.unicode_value = (gunichar) '\0';
}
else
{
event->key.unicode_value = g_utf8_get_char_validated (buffer, n);
if (event->key.unicode_value == -1 ||
event->key.unicode_value == -2)
event->key.unicode_value = (gunichar) '\0';
}
CLUTTER_NOTE (EVENT,
"%s: win:0x%x device:%d source:%d, key: %12s (%d)",
event->any.type == CLUTTER_KEY_PRESS
? "key press "
: "key release",
(unsigned int) stage_x11->xwin,
xev->deviceid,
xev->sourceid,
event->key.keyval ? buffer : "(none)",
event->key.keyval);
if (xi_event->evtype == XI_KeyPress)
_clutter_stage_x11_set_user_time (stage_x11, event->key.time);
retval = CLUTTER_TRANSLATE_QUEUE;
}
break;
case XI_ButtonPress:
case XI_ButtonRelease:
{
XIDeviceEvent *xev = (XIDeviceEvent *) xi_event;
source_device = g_hash_table_lookup (manager_xi2->devices_by_id,
GINT_TO_POINTER (xev->sourceid));
device = g_hash_table_lookup (manager_xi2->devices_by_id,
GINT_TO_POINTER (xev->deviceid));
/* Set the stage for core events coming out of nowhere (see bug #684509) */
if (clutter_input_device_get_device_mode (device) == CLUTTER_INPUT_MODE_MASTER &&
clutter_input_device_get_pointer_stage (device) == NULL &&
stage != NULL)
_clutter_input_device_set_stage (device, stage);
if (clutter_input_device_get_device_type (source_device) == CLUTTER_PAD_DEVICE)
{
/* We got these events because of the passive button grab */
XIAllowEvents (clutter_x11_get_default_display (),
xev->sourceid,
XIAsyncDevice,
xev->time);
event->any.stage = stage;
if (xev->detail >= 4 && xev->detail <= 7)
{
retval = CLUTTER_TRANSLATE_REMOVE;
if (xi_event->evtype == XI_ButtonPress &&
translate_pad_event (event, xev, source_device))
retval = CLUTTER_TRANSLATE_QUEUE;
break;
}
event->any.type =
(xi_event->evtype == XI_ButtonPress) ? CLUTTER_PAD_BUTTON_PRESS
: CLUTTER_PAD_BUTTON_RELEASE;
event->any.time = xev->time;
/* The 4-7 button range is taken as non-existent on pad devices,
* let the buttons above that take over this range.
*/
if (xev->detail > 7)
xev->detail -= 4;
/* Pad buttons are 0-indexed */
event->pad_button.button = xev->detail - 1;
#ifdef HAVE_LIBWACOM
clutter_input_device_xi2_update_pad_state (device,
event->pad_button.button,
(xi_event->evtype == XI_ButtonPress),
&event->pad_button.group,
&event->pad_button.mode);
#endif
clutter_event_set_device (event, device);
clutter_event_set_source_device (event, source_device);
CLUTTER_NOTE (EVENT,
"%s: win:0x%x, device:%d '%s', time:%d "
"(button:%d)",
event->any.type == CLUTTER_BUTTON_PRESS
? "pad button press "
: "pad button release",
(unsigned int) stage_x11->xwin,
device->id,
device->device_name,
event->any.time,
event->pad_button.button);
retval = CLUTTER_TRANSLATE_QUEUE;
break;
}
switch (xev->detail)
{
case 4:
case 5:
case 6:
case 7:
/* we only generate Scroll events on ButtonPress */
if (xi_event->evtype == XI_ButtonRelease)
return CLUTTER_TRANSLATE_REMOVE;
event->scroll.type = event->type = CLUTTER_SCROLL;
if (xev->detail == 4)
event->scroll.direction = CLUTTER_SCROLL_UP;
else if (xev->detail == 5)
event->scroll.direction = CLUTTER_SCROLL_DOWN;
else if (xev->detail == 6)
event->scroll.direction = CLUTTER_SCROLL_LEFT;
else
event->scroll.direction = CLUTTER_SCROLL_RIGHT;
event->scroll.stage = stage;
event->scroll.time = xev->time;
translate_coords (stage_x11, xev->event_x, xev->event_y, &event->scroll.x, &event->scroll.y);
_clutter_input_device_xi2_translate_state (event,
&xev->mods,
&xev->buttons,
&xev->group);
clutter_event_set_source_device (event, source_device);
clutter_event_set_device (event, device);
event->scroll.axes = translate_axes (event->scroll.device,
event->scroll.x,
event->scroll.y,
&xev->valuators);
CLUTTER_NOTE (EVENT,
"scroll: win:0x%x, device:%d '%s', time:%d "
"(direction:%s, "
"x:%.2f, y:%.2f, "
"emulated:%s)",
(unsigned int) stage_x11->xwin,
device->id,
device->device_name,
event->any.time,
event->scroll.direction == CLUTTER_SCROLL_UP ? "up" :
event->scroll.direction == CLUTTER_SCROLL_DOWN ? "down" :
event->scroll.direction == CLUTTER_SCROLL_LEFT ? "left" :
event->scroll.direction == CLUTTER_SCROLL_RIGHT ? "right" :
"invalid",
event->scroll.x,
event->scroll.y,
(xev->flags & XIPointerEmulated) ? "yes" : "no"
);
break;
default:
event->button.type = event->type =
(xi_event->evtype == XI_ButtonPress) ? CLUTTER_BUTTON_PRESS
: CLUTTER_BUTTON_RELEASE;
event->button.stage = stage;
event->button.time = xev->time;
translate_coords (stage_x11, xev->event_x, xev->event_y, &event->button.x, &event->button.y);
event->button.button = xev->detail;
_clutter_input_device_xi2_translate_state (event,
&xev->mods,
&xev->buttons,
&xev->group);
clutter_event_set_source_device (event, source_device);
clutter_event_set_device (event, device);
clutter_event_set_device_tool (event,
clutter_input_device_xi2_get_current_tool (source_device));
event->button.axes = translate_axes (event->button.device,
event->button.x,
event->button.y,
&xev->valuators);
CLUTTER_NOTE (EVENT,
"%s: win:0x%x, device:%d '%s', time:%d "
"(button:%d, "
"x:%.2f, y:%.2f, "
"axes:%s, "
"emulated:%s)",
event->any.type == CLUTTER_BUTTON_PRESS
? "button press "
: "button release",
(unsigned int) stage_x11->xwin,
device->id,
device->device_name,
event->any.time,
event->button.button,
event->button.x,
event->button.y,
event->button.axes != NULL ? "yes" : "no",
(xev->flags & XIPointerEmulated) ? "yes" : "no"
);
break;
}
if (source_device != NULL && device->stage != NULL)
_clutter_input_device_set_stage (source_device, device->stage);
if (xev->flags & XIPointerEmulated)
_clutter_event_set_pointer_emulated (event, TRUE);
if (xi_event->evtype == XI_ButtonPress)
_clutter_stage_x11_set_user_time (stage_x11, event->button.time);
retval = CLUTTER_TRANSLATE_QUEUE;
}
break;
case XI_Motion:
{
XIDeviceEvent *xev = (XIDeviceEvent *) xi_event;
gdouble delta_x, delta_y;
source_device = g_hash_table_lookup (manager_xi2->devices_by_id,
GINT_TO_POINTER (xev->sourceid));
device = g_hash_table_lookup (manager_xi2->devices_by_id,
GINT_TO_POINTER (xev->deviceid));
if (clutter_input_device_get_device_type (source_device) == CLUTTER_PAD_DEVICE)
{
event->any.stage = stage;
if (translate_pad_event (event, xev, source_device))
retval = CLUTTER_TRANSLATE_QUEUE;
break;
}
/* Set the stage for core events coming out of nowhere (see bug #684509) */
if (clutter_input_device_get_device_mode (device) == CLUTTER_INPUT_MODE_MASTER &&
clutter_input_device_get_pointer_stage (device) == NULL &&
stage != NULL)
_clutter_input_device_set_stage (device, stage);
if (scroll_valuators_changed (source_device,
&xev->valuators,
&delta_x, &delta_y))
{
event->scroll.type = event->type = CLUTTER_SCROLL;
event->scroll.direction = CLUTTER_SCROLL_SMOOTH;
event->scroll.stage = stage;
event->scroll.time = xev->time;
translate_coords (stage_x11, xev->event_x, xev->event_y, &event->scroll.x, &event->scroll.y);
_clutter_input_device_xi2_translate_state (event,
&xev->mods,
&xev->buttons,
&xev->group);
clutter_event_set_scroll_delta (event, delta_x, delta_y);
clutter_event_set_source_device (event, source_device);
clutter_event_set_device (event, device);
CLUTTER_NOTE (EVENT,
"smooth scroll: win:0x%x device:%d '%s' (x:%.2f, y:%.2f, delta:%f, %f)",
(unsigned int) stage_x11->xwin,
event->scroll.device->id,
event->scroll.device->device_name,
event->scroll.x,
event->scroll.y,
delta_x, delta_y);
retval = CLUTTER_TRANSLATE_QUEUE;
break;
}
event->motion.type = event->type = CLUTTER_MOTION;
event->motion.stage = stage;
event->motion.time = xev->time;
translate_coords (stage_x11, xev->event_x, xev->event_y, &event->motion.x, &event->motion.y);
_clutter_input_device_xi2_translate_state (event,
&xev->mods,
&xev->buttons,
&xev->group);
clutter_event_set_source_device (event, source_device);
clutter_event_set_device (event, device);
clutter_event_set_device_tool (event,
clutter_input_device_xi2_get_current_tool (source_device));
event->motion.axes = translate_axes (event->motion.device,
event->motion.x,
event->motion.y,
&xev->valuators);
if (source_device != NULL && device->stage != NULL)
_clutter_input_device_set_stage (source_device, device->stage);
if (xev->flags & XIPointerEmulated)
_clutter_event_set_pointer_emulated (event, TRUE);
CLUTTER_NOTE (EVENT, "motion: win:0x%x device:%d '%s' (x:%.2f, y:%.2f, axes:%s)",
(unsigned int) stage_x11->xwin,
event->motion.device->id,
event->motion.device->device_name,
event->motion.x,
event->motion.y,
event->motion.axes != NULL ? "yes" : "no");
retval = CLUTTER_TRANSLATE_QUEUE;
}
break;
case XI_TouchBegin:
{
XIDeviceEvent *xev = (XIDeviceEvent *) xi_event;
device = g_hash_table_lookup (manager_xi2->devices_by_id,
GINT_TO_POINTER (xev->deviceid));
if (!_clutter_input_device_get_stage (device))
_clutter_input_device_set_stage (device, stage);
}
/* Fall through */
case XI_TouchEnd:
{
XIDeviceEvent *xev = (XIDeviceEvent *) xi_event;
source_device = g_hash_table_lookup (manager_xi2->devices_by_id,
GINT_TO_POINTER (xev->sourceid));
if (xi_event->evtype == XI_TouchBegin)
event->touch.type = event->type = CLUTTER_TOUCH_BEGIN;
else
event->touch.type = event->type = CLUTTER_TOUCH_END;
event->touch.stage = stage;
event->touch.time = xev->time;
translate_coords (stage_x11, xev->event_x, xev->event_y, &event->touch.x, &event->touch.y);
_clutter_input_device_xi2_translate_state (event,
&xev->mods,
&xev->buttons,
&xev->group);
clutter_event_set_source_device (event, source_device);
device = g_hash_table_lookup (manager_xi2->devices_by_id,
GINT_TO_POINTER (xev->deviceid));
clutter_event_set_device (event, device);
event->touch.axes = translate_axes (event->touch.device,
event->motion.x,
event->motion.y,
&xev->valuators);
if (xi_event->evtype == XI_TouchBegin)
{
event->touch.modifier_state |= CLUTTER_BUTTON1_MASK;
_clutter_stage_x11_set_user_time (stage_x11, event->touch.time);
}
event->touch.sequence = GUINT_TO_POINTER (xev->detail);
if (xev->flags & XITouchEmulatingPointer)
_clutter_event_set_pointer_emulated (event, TRUE);
CLUTTER_NOTE (EVENT, "touch %s: win:0x%x device:%d '%s' (seq:%d, x:%.2f, y:%.2f, axes:%s)",
event->type == CLUTTER_TOUCH_BEGIN ? "begin" : "end",
(unsigned int) stage_x11->xwin,
event->touch.device->id,
event->touch.device->device_name,
GPOINTER_TO_UINT (event->touch.sequence),
event->touch.x,
event->touch.y,
event->touch.axes != NULL ? "yes" : "no");
retval = CLUTTER_TRANSLATE_QUEUE;
}
break;
case XI_TouchUpdate:
{
XIDeviceEvent *xev = (XIDeviceEvent *) xi_event;
source_device = g_hash_table_lookup (manager_xi2->devices_by_id,
GINT_TO_POINTER (xev->sourceid));
event->touch.type = event->type = CLUTTER_TOUCH_UPDATE;
event->touch.stage = stage;
event->touch.time = xev->time;
event->touch.sequence = GUINT_TO_POINTER (xev->detail);
translate_coords (stage_x11, xev->event_x, xev->event_y, &event->touch.x, &event->touch.y);
clutter_event_set_source_device (event, source_device);
device = g_hash_table_lookup (manager_xi2->devices_by_id,
GINT_TO_POINTER (xev->deviceid));
clutter_event_set_device (event, device);
event->touch.axes = translate_axes (event->touch.device,
event->motion.x,
event->motion.y,
&xev->valuators);
_clutter_input_device_xi2_translate_state (event,
&xev->mods,
&xev->buttons,
&xev->group);
event->touch.modifier_state |= CLUTTER_BUTTON1_MASK;
if (xev->flags & XITouchEmulatingPointer)
_clutter_event_set_pointer_emulated (event, TRUE);
CLUTTER_NOTE (EVENT, "touch update: win:0x%x device:%d '%s' (seq:%d, x:%.2f, y:%.2f, axes:%s)",
(unsigned int) stage_x11->xwin,
event->touch.device->id,
event->touch.device->device_name,
GPOINTER_TO_UINT (event->touch.sequence),
event->touch.x,
event->touch.y,
event->touch.axes != NULL ? "yes" : "no");
retval = CLUTTER_TRANSLATE_QUEUE;
}
break;
case XI_Enter:
case XI_Leave:
{
XIEnterEvent *xev = (XIEnterEvent *) xi_event;
device = g_hash_table_lookup (manager_xi2->devices_by_id,
GINT_TO_POINTER (xev->deviceid));
source_device = g_hash_table_lookup (manager_xi2->devices_by_id,
GINT_TO_POINTER (xev->sourceid));
if (xi_event->evtype == XI_Enter)
{
event->crossing.type = event->type = CLUTTER_ENTER;
event->crossing.stage = stage;
event->crossing.source = CLUTTER_ACTOR (stage);
event->crossing.related = NULL;
event->crossing.time = xev->time;
translate_coords (stage_x11, xev->event_x, xev->event_y, &event->crossing.x, &event->crossing.y);
_clutter_input_device_set_stage (device, stage);
}
else
{
if (device->stage == NULL)
{
CLUTTER_NOTE (EVENT,
"Discarding Leave for ButtonRelease "
"event off-stage");
retval = CLUTTER_TRANSLATE_REMOVE;
break;
}
event->crossing.type = event->type = CLUTTER_LEAVE;
event->crossing.stage = stage;
event->crossing.source = CLUTTER_ACTOR (stage);
event->crossing.related = NULL;
event->crossing.time = xev->time;
translate_coords (stage_x11, xev->event_x, xev->event_y, &event->crossing.x, &event->crossing.y);
_clutter_input_device_set_stage (device, NULL);
}
_clutter_input_device_reset_scroll_info (source_device);
clutter_event_set_device (event, device);
clutter_event_set_source_device (event, source_device);
retval = CLUTTER_TRANSLATE_QUEUE;
}
break;
case XI_FocusIn:
case XI_FocusOut:
retval = CLUTTER_TRANSLATE_CONTINUE;
break;
case XI_PropertyEvent:
handle_property_event (manager_xi2, xi_event);
retval = CLUTTER_TRANSLATE_CONTINUE;
break;
}
return retval;
}
static void
clutter_event_translator_iface_init (ClutterEventTranslatorIface *iface)
{
iface->translate_event = clutter_device_manager_xi2_translate_event;
}
static void
clutter_device_manager_xi2_add_device (ClutterDeviceManager *manager,
ClutterInputDevice *device)
{
/* XXX implement */
}
static void
clutter_device_manager_xi2_remove_device (ClutterDeviceManager *manager,
ClutterInputDevice *device)
{
/* XXX implement */
}
static const GSList *
clutter_device_manager_xi2_get_devices (ClutterDeviceManager *manager)
{
ClutterDeviceManagerXI2 *manager_xi2 = CLUTTER_DEVICE_MANAGER_XI2 (manager);
GSList *all_devices = NULL;
GList *l;
if (manager_xi2->all_devices != NULL)
return manager_xi2->all_devices;
for (l = manager_xi2->master_devices; l != NULL; l = l->next)
all_devices = g_slist_prepend (all_devices, l->data);
for (l = manager_xi2->slave_devices; l != NULL; l = l->next)
all_devices = g_slist_prepend (all_devices, l->data);
manager_xi2->all_devices = g_slist_reverse (all_devices);
return manager_xi2->all_devices;
}
static ClutterInputDevice *
clutter_device_manager_xi2_get_device (ClutterDeviceManager *manager,
gint id)
{
ClutterDeviceManagerXI2 *manager_xi2 = CLUTTER_DEVICE_MANAGER_XI2 (manager);
return g_hash_table_lookup (manager_xi2->devices_by_id,
GINT_TO_POINTER (id));
}
static ClutterInputDevice *
clutter_device_manager_xi2_get_core_device (ClutterDeviceManager *manager,
ClutterInputDeviceType device_type)
{
ClutterDeviceManagerXI2 *manager_xi2 = CLUTTER_DEVICE_MANAGER_XI2 (manager);
ClutterInputDevice *pointer = NULL;
GList *l;
for (l = manager_xi2->master_devices; l != NULL ; l = l->next)
{
ClutterInputDevice *device = l->data;
if (clutter_input_device_get_device_type (device) == CLUTTER_POINTER_DEVICE)
{
pointer = device;
break;
}
}
if (pointer == NULL)
return NULL;
switch (device_type)
{
case CLUTTER_POINTER_DEVICE:
return pointer;
case CLUTTER_KEYBOARD_DEVICE:
return clutter_input_device_get_associated_device (pointer);
default:
break;
}
return NULL;
}
static void
relate_masters (gpointer key,
gpointer value,
gpointer data)
{
ClutterDeviceManagerXI2 *manager_xi2 = data;
ClutterInputDevice *device, *relative;
device = g_hash_table_lookup (manager_xi2->devices_by_id, key);
relative = g_hash_table_lookup (manager_xi2->devices_by_id, value);
_clutter_input_device_set_associated_device (device, relative);
_clutter_input_device_set_associated_device (relative, device);
}
static void
relate_slaves (gpointer key,
gpointer value,
gpointer data)
{
ClutterDeviceManagerXI2 *manager_xi2 = data;
ClutterInputDevice *master, *slave;
slave = g_hash_table_lookup (manager_xi2->devices_by_id, key);
master = g_hash_table_lookup (manager_xi2->devices_by_id, value);
_clutter_input_device_set_associated_device (slave, master);
_clutter_input_device_add_slave (master, slave);
}
static void
clutter_device_manager_xi2_constructed (GObject *gobject)
{
ClutterDeviceManagerXI2 *manager_xi2 = CLUTTER_DEVICE_MANAGER_XI2 (gobject);
ClutterDeviceManager *manager = CLUTTER_DEVICE_MANAGER (gobject);
ClutterBackendX11 *backend_x11;
GHashTable *masters, *slaves;
XIDeviceInfo *info;
XIEventMask event_mask;
unsigned char mask[(XI_LASTEVENT + 7) / 8] = { 0, };
int n_devices, i;
backend_x11 =
CLUTTER_BACKEND_X11 (_clutter_device_manager_get_backend (manager));
masters = g_hash_table_new (NULL, NULL);
slaves = g_hash_table_new (NULL, NULL);
info = XIQueryDevice (backend_x11->xdpy, XIAllDevices, &n_devices);
for (i = 0; i < n_devices; i++)
{
XIDeviceInfo *xi_device = &info[i];
if (!xi_device->enabled)
continue;
add_device (manager_xi2, backend_x11, xi_device, TRUE);
if (xi_device->use == XIMasterPointer ||
xi_device->use == XIMasterKeyboard)
{
g_hash_table_insert (masters,
GINT_TO_POINTER (xi_device->deviceid),
GINT_TO_POINTER (xi_device->attachment));
}
else if (xi_device->use == XISlavePointer ||
xi_device->use == XISlaveKeyboard)
{
g_hash_table_insert (slaves,
GINT_TO_POINTER (xi_device->deviceid),
GINT_TO_POINTER (xi_device->attachment));
}
}
XIFreeDeviceInfo (info);
g_hash_table_foreach (masters, relate_masters, manager_xi2);
g_hash_table_destroy (masters);
g_hash_table_foreach (slaves, relate_slaves, manager_xi2);
g_hash_table_destroy (slaves);
XISetMask (mask, XI_HierarchyChanged);
XISetMask (mask, XI_DeviceChanged);
XISetMask (mask, XI_PropertyEvent);
event_mask.deviceid = XIAllDevices;
event_mask.mask_len = sizeof (mask);
event_mask.mask = mask;
clutter_device_manager_xi2_select_events (manager,
clutter_x11_get_root_window (),
&event_mask);
memset(mask, 0, sizeof (mask));
XISetMask (mask, XI_RawMotion);
XISetMask (mask, XI_RawButtonPress);
XISetMask (mask, XI_RawButtonRelease);
event_mask.deviceid = XIAllMasterDevices;
event_mask.mask_len = sizeof (mask);
event_mask.mask = mask;
clutter_device_manager_xi2_select_events (manager,
clutter_x11_get_root_window (),
&event_mask);
XSync (backend_x11->xdpy, False);
clutter_device_manager_x11_a11y_init (manager);
if (G_OBJECT_CLASS (clutter_device_manager_xi2_parent_class)->constructed)
G_OBJECT_CLASS (clutter_device_manager_xi2_parent_class)->constructed (gobject);
}
static void
clutter_device_manager_xi2_set_property (GObject *gobject,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
ClutterDeviceManagerXI2 *manager_xi2 = CLUTTER_DEVICE_MANAGER_XI2 (gobject);
switch (prop_id)
{
case PROP_OPCODE:
manager_xi2->opcode = g_value_get_int (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (gobject, prop_id, pspec);
break;
}
}
static ClutterVirtualInputDevice *
clutter_device_manager_xi2_create_virtual_device (ClutterDeviceManager *manager,
ClutterInputDeviceType device_type)
{
return g_object_new (CLUTTER_TYPE_VIRTUAL_INPUT_DEVICE_X11,
"device-manager", manager,
"device-type", device_type,
NULL);
}
static ClutterVirtualDeviceType
clutter_device_manager_xi2_get_supported_virtual_device_types (ClutterDeviceManager *device_manager)
{
return (CLUTTER_VIRTUAL_DEVICE_TYPE_KEYBOARD |
CLUTTER_VIRTUAL_DEVICE_TYPE_POINTER);
}
static void
clutter_device_manager_xi2_class_init (ClutterDeviceManagerXI2Class *klass)
{
ClutterDeviceManagerClass *manager_class;
GObjectClass *gobject_class;
obj_props[PROP_OPCODE] =
g_param_spec_int ("opcode",
"Opcode",
"The XI2 opcode",
-1, G_MAXINT,
-1,
CLUTTER_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY);
gobject_class = G_OBJECT_CLASS (klass);
gobject_class->constructed = clutter_device_manager_xi2_constructed;
gobject_class->set_property = clutter_device_manager_xi2_set_property;
g_object_class_install_properties (gobject_class, PROP_LAST, obj_props);
manager_class = CLUTTER_DEVICE_MANAGER_CLASS (klass);
manager_class->add_device = clutter_device_manager_xi2_add_device;
manager_class->remove_device = clutter_device_manager_xi2_remove_device;
manager_class->get_devices = clutter_device_manager_xi2_get_devices;
manager_class->get_core_device = clutter_device_manager_xi2_get_core_device;
manager_class->get_device = clutter_device_manager_xi2_get_device;
manager_class->select_stage_events = clutter_device_manager_xi2_select_stage_events;
manager_class->create_virtual_device = clutter_device_manager_xi2_create_virtual_device;
manager_class->get_supported_virtual_device_types = clutter_device_manager_xi2_get_supported_virtual_device_types;
manager_class->apply_kbd_a11y_settings = clutter_device_manager_x11_apply_kbd_a11y_settings;
}
static void
clutter_device_manager_xi2_init (ClutterDeviceManagerXI2 *self)
{
self->devices_by_id = g_hash_table_new_full (NULL, NULL,
NULL,
(GDestroyNotify) g_object_unref);
self->tools_by_serial = g_hash_table_new_full (NULL, NULL, NULL,
(GDestroyNotify) g_object_unref);
#ifdef HAVE_LIBWACOM
self->wacom_db = libwacom_database_new ();
#endif
}
Reference in New Issue View Git Blame Copy Permalink