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Learning_GTK4_tree/gdk/x11/gdkdevicemanager-xi2.c

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2023-12-12 11:36:42 +01:00
/* GDK - The GIMP Drawing Kit
* Copyright (C) 2009 Carlos Garnacho <carlosg@gnome.org>
*
* 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/>.
*/
#include "config.h"
#include "gdkx11devicemanager-xi2.h"
#include "gdkdevice-xi2-private.h"
#include "gdkdeviceprivate.h"
#include "gdkdevicetoolprivate.h"
#include "gdkdisplayprivate.h"
#include "gdkeventsprivate.h"
#include "gdkeventtranslator.h"
#include "gdkkeys-x11.h"
#include "gdkprivate-x11.h"
#include "gdkdisplay-x11.h"
#include <glib/gi18n-lib.h>
#include "gdkkeysyms.h"
#include "gdkseatdefaultprivate.h"
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <X11/extensions/XInput2.h>
#include <X11/Xatom.h>
#include <string.h>
static const char notify_modes[][19] = {
"NotifyNormal",
"NotifyGrab",
"NotifyUngrab",
"NotifyWhileGrabbed"
};
static const char notify_details[][23] = {
"NotifyAncestor",
"NotifyVirtual",
"NotifyInferior",
"NotifyNonlinear",
"NotifyNonlinearVirtual",
"NotifyPointer",
"NotifyPointerRoot",
"NotifyDetailNone"
};
#define HAS_FOCUS(toplevel) \
((toplevel)->has_focus || (toplevel)->has_pointer_focus)
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,
};
struct _GdkX11DeviceManagerXI2
{
GObject parent_object;
GdkDisplay *display;
GHashTable *id_table;
GList *devices;
int opcode;
int major;
int minor;
};
struct _GdkX11DeviceManagerXI2Class
{
GObjectClass parent_class;
};
static void gdk_x11_device_manager_xi2_event_translator_init (GdkEventTranslatorIface *iface);
G_DEFINE_TYPE_WITH_CODE (GdkX11DeviceManagerXI2, gdk_x11_device_manager_xi2, G_TYPE_OBJECT,
G_IMPLEMENT_INTERFACE (GDK_TYPE_EVENT_TRANSLATOR,
gdk_x11_device_manager_xi2_event_translator_init))
static void gdk_x11_device_manager_xi2_constructed (GObject *object);
static void gdk_x11_device_manager_xi2_dispose (GObject *object);
static void gdk_x11_device_manager_xi2_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec);
static void gdk_x11_device_manager_xi2_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec);
static GdkEvent * gdk_x11_device_manager_xi2_translate_event (GdkEventTranslator *translator,
GdkDisplay *display,
const XEvent *xevent);
static GdkEventMask gdk_x11_device_manager_xi2_get_handled_events (GdkEventTranslator *translator);
static void gdk_x11_device_manager_xi2_select_surface_events (GdkEventTranslator *translator,
Window window,
GdkEventMask event_mask);
static GdkSurface * gdk_x11_device_manager_xi2_get_surface (GdkEventTranslator *translator,
const XEvent *xevent);
enum {
PROP_0,
PROP_DISPLAY,
PROP_OPCODE,
PROP_MAJOR,
PROP_MINOR
};
static void
gdk_x11_device_manager_xi2_class_init (GdkX11DeviceManagerXI2Class *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->constructed = gdk_x11_device_manager_xi2_constructed;
object_class->dispose = gdk_x11_device_manager_xi2_dispose;
object_class->set_property = gdk_x11_device_manager_xi2_set_property;
object_class->get_property = gdk_x11_device_manager_xi2_get_property;
g_object_class_install_property (object_class,
PROP_DISPLAY,
g_param_spec_object ("display", NULL, NULL,
GDK_TYPE_DISPLAY,
G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY |
G_PARAM_STATIC_STRINGS));
g_object_class_install_property (object_class,
PROP_OPCODE,
g_param_spec_int ("opcode", NULL, NULL,
0, G_MAXINT, 0,
G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY |
G_PARAM_STATIC_STRINGS));
g_object_class_install_property (object_class,
PROP_MAJOR,
g_param_spec_int ("major", NULL, NULL,
0, G_MAXINT, 0,
G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY |
G_PARAM_STATIC_STRINGS));
g_object_class_install_property (object_class,
PROP_MINOR,
g_param_spec_int ("minor", NULL, NULL,
0, G_MAXINT, 0,
G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY |
G_PARAM_STATIC_STRINGS));
}
static void
gdk_x11_device_manager_xi2_init (GdkX11DeviceManagerXI2 *device_manager)
{
device_manager->id_table = g_hash_table_new_full (g_direct_hash,
g_direct_equal,
NULL,
(GDestroyNotify) g_object_unref);
}
static void
_gdk_x11_device_manager_xi2_select_events (GdkX11DeviceManagerXI2 *device_manager,
Window xwindow,
XIEventMask *event_mask)
{
GdkDisplay *display;
Display *xdisplay;
display = device_manager->display;
xdisplay = GDK_DISPLAY_XDISPLAY (display);
XISelectEvents (xdisplay, xwindow, event_mask, 1);
}
static void
translate_valuator_class (GdkDisplay *display,
GdkDevice *device,
Atom valuator_label,
double min,
double max,
double resolution)
{
static gboolean initialized = FALSE;
static Atom label_atoms [GDK_AXIS_LAST] = { 0 };
GdkAxisUse use = GDK_AXIS_IGNORE;
int i;
if (!initialized)
{
label_atoms [GDK_AXIS_X] = gdk_x11_get_xatom_by_name_for_display (display, "Abs X");
label_atoms [GDK_AXIS_Y] = gdk_x11_get_xatom_by_name_for_display (display, "Abs Y");
label_atoms [GDK_AXIS_PRESSURE] = gdk_x11_get_xatom_by_name_for_display (display, "Abs Pressure");
label_atoms [GDK_AXIS_XTILT] = gdk_x11_get_xatom_by_name_for_display (display, "Abs Tilt X");
label_atoms [GDK_AXIS_YTILT] = gdk_x11_get_xatom_by_name_for_display (display, "Abs Tilt Y");
label_atoms [GDK_AXIS_WHEEL] = gdk_x11_get_xatom_by_name_for_display (display, "Abs Wheel");
initialized = TRUE;
}
for (i = GDK_AXIS_IGNORE; i < GDK_AXIS_LAST; i++)
{
if (label_atoms[i] == valuator_label)
{
use = i;
break;
}
}
_gdk_device_add_axis (device, use, min, max, resolution);
if (GDK_DISPLAY_DEBUG_CHECK (display, INPUT))
{
const char *label;
if (valuator_label != None)
label = gdk_x11_get_xatom_name_for_display (display, valuator_label);
else
label = NULL;
gdk_debug_message ("\n\taxis: %s %s", label, use == GDK_AXIS_IGNORE ? "(ignored)" : "(used)");
}
}
static void
translate_device_classes (GdkDisplay *display,
GdkDevice *device,
XIAnyClassInfo **classes,
guint n_classes)
{
int i;
g_object_freeze_notify (G_OBJECT (device));
for (i = 0; i < n_classes; i++)
{
XIAnyClassInfo *class_info = classes[i];
switch (class_info->type)
{
case XIKeyClass:
{
/* Not used */
}
break;
case XIValuatorClass:
{
XIValuatorClassInfo *valuator_info = (XIValuatorClassInfo *) class_info;
translate_valuator_class (display, device,
valuator_info->label,
valuator_info->min,
valuator_info->max,
valuator_info->resolution);
}
break;
#ifdef XINPUT_2_2
case XIScrollClass:
{
XIScrollClassInfo *scroll_info = (XIScrollClassInfo *) class_info;
GdkScrollDirection direction;
if (scroll_info->scroll_type == XIScrollTypeVertical)
direction = GDK_SCROLL_DOWN;
else
direction = GDK_SCROLL_RIGHT;
GDK_DISPLAY_DEBUG (display, INPUT, "\n\tscroll valuator %d: %s, increment %f",
scroll_info->number,
scroll_info->scroll_type == XIScrollTypeVertical
? "vertical"
: "horizontal",
scroll_info->increment);
_gdk_x11_device_xi2_add_scroll_valuator (GDK_X11_DEVICE_XI2 (device),
scroll_info->number,
direction,
scroll_info->increment);
}
break;
#endif /* XINPUT_2_2 */
default:
/* Ignore */
break;
}
}
g_object_thaw_notify (G_OBJECT (device));
}
static gboolean
is_touch_device (XIAnyClassInfo **classes,
guint n_classes,
GdkInputSource *device_type,
int *num_touches)
{
#ifdef XINPUT_2_2
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 = GDK_SOURCE_TOUCHSCREEN;
else if (class->mode == XIDependentTouch)
*device_type = GDK_SOURCE_TOUCHPAD;
else
continue;
*num_touches = class->num_touches;
return TRUE;
}
}
#endif
return FALSE;
}
static gboolean
has_abs_axes (GdkDisplay *display,
XIAnyClassInfo **classes,
guint n_classes)
{
gboolean has_x = FALSE, has_y = FALSE;
Atom abs_x, abs_y;
guint i;
abs_x = gdk_x11_get_xatom_by_name_for_display (display, "Abs X");
abs_y = gdk_x11_get_xatom_by_name_for_display (display, "Abs Y");
for (i = 0; i < n_classes; i++)
{
XIValuatorClassInfo *class = (XIValuatorClassInfo *) classes[i];
if (class->type != XIValuatorClass)
continue;
if (class->mode != XIModeAbsolute)
continue;
if (class->label == abs_x)
has_x = TRUE;
else if (class->label == abs_y)
has_y = TRUE;
if (has_x && has_y)
break;
}
return (has_x && has_y);
}
static gboolean
get_device_ids (GdkDisplay *display,
XIDeviceInfo *info,
char **vendor_id,
char **product_id)
{
gulong nitems, bytes_after;
guint32 *data;
int rc, format;
Atom prop, type;
gdk_x11_display_error_trap_push (display);
prop = XInternAtom (GDK_DISPLAY_XDISPLAY (display), "Device Product ID", True);
if (prop == None)
{
gdk_x11_display_error_trap_pop_ignored (display);
return 0;
}
rc = XIGetProperty (GDK_DISPLAY_XDISPLAY (display),
info->deviceid, prop,
0, 2, False, XA_INTEGER, &type, &format, &nitems, &bytes_after,
(guchar **) &data);
gdk_x11_display_error_trap_pop_ignored (display);
if (rc != Success || type != XA_INTEGER || format != 32 || nitems != 2)
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 gboolean
has_bool_prop (GdkDisplay *display,
XIDeviceInfo *info,
const char *prop_name)
{
gulong nitems, bytes_after;
guint32 *data;
int rc, format;
Atom type;
gdk_x11_display_error_trap_push (display);
rc = XIGetProperty (GDK_DISPLAY_XDISPLAY (display),
info->deviceid,
gdk_x11_get_xatom_by_name_for_display (display, prop_name),
0, 1, False, XA_INTEGER, &type, &format, &nitems, &bytes_after,
(guchar **) &data);
gdk_x11_display_error_trap_pop_ignored (display);
if (rc != Success || type != XA_INTEGER || format != 8 || nitems != 1)
return FALSE;
XFree (data);
return TRUE;
}
static gboolean
is_touchpad_device (GdkDisplay *display,
XIDeviceInfo *info)
{
/*
* Touchpads are heuristically recognized via XI properties that the various
* Xorg drivers expose:
* libinput: libinput Tapping Enabled
* synaptics: Synaptics Off
* cmt: Raw Touch Passthrough
*/
return has_bool_prop (display, info, "libinput Tapping Enabled") ||
has_bool_prop (display, info, "Synaptics Off") ||
has_bool_prop (display, info, "Raw Touch Passthrough");
}
static GdkDevice *
create_device (GdkX11DeviceManagerXI2 *device_manager,
GdkDisplay *display,
XIDeviceInfo *dev)
{
GdkInputSource input_source;
GdkInputSource touch_source;
GdkX11DeviceType type;
GdkDevice *device;
int num_touches = 0;
char *vendor_id = NULL, *product_id = NULL;
if (dev->use == XIMasterKeyboard || dev->use == XISlaveKeyboard)
input_source = GDK_SOURCE_KEYBOARD;
else if (is_touchpad_device (display, dev))
input_source = GDK_SOURCE_TOUCHPAD;
else if (dev->use == XISlavePointer &&
is_touch_device (dev->classes, dev->num_classes, &touch_source, &num_touches))
input_source = touch_source;
else
{
char *tmp_name;
tmp_name = g_ascii_strdown (dev->name, -1);
if (strstr (tmp_name, " pad"))
input_source = GDK_SOURCE_TABLET_PAD;
else if (strstr (tmp_name, "wacom") ||
strstr (tmp_name, "pen") ||
strstr (tmp_name, "stylus") ||
strstr (tmp_name, "eraser"))
input_source = GDK_SOURCE_PEN;
else if (!strstr (tmp_name, "mouse") &&
!strstr (tmp_name, "pointer") &&
!strstr (tmp_name, "qemu usb tablet") &&
!strstr (tmp_name, "spice vdagent tablet") &&
!strstr (tmp_name, "virtualbox usb tablet") &&
has_abs_axes (display, dev->classes, dev->num_classes))
input_source = GDK_SOURCE_TOUCHSCREEN;
else if (strstr (tmp_name, "trackpoint") ||
strstr (tmp_name, "dualpoint stick"))
input_source = GDK_SOURCE_TRACKPOINT;
else
input_source = GDK_SOURCE_MOUSE;
g_free (tmp_name);
}
switch (dev->use)
{
case XIMasterKeyboard:
case XIMasterPointer:
type = GDK_X11_DEVICE_TYPE_LOGICAL;
break;
case XISlaveKeyboard:
case XISlavePointer:
type = GDK_X11_DEVICE_TYPE_PHYSICAL;
break;
case XIFloatingSlave:
default:
type = GDK_X11_DEVICE_TYPE_FLOATING;
break;
}
if (GDK_DISPLAY_DEBUG_CHECK (display, INPUT))
{
const char *type_names[] = { "logical", "physical", "floating" };
const char *source_names[] = { "mouse", "pen", "eraser", "cursor", "keyboard", "direct touch", "indirect touch", "trackpoint", "pad" };
gdk_debug_message ("input device:\n\tname: %s\n\ttype: %s\n\tsource: %s\n\thas cursor: %d\n\ttouches: %d",
dev->name,
type_names[type],
source_names[input_source],
dev->use == XIMasterPointer,
num_touches);
}
if (dev->use != XIMasterKeyboard &&
dev->use != XIMasterPointer)
get_device_ids (display, dev, &vendor_id, &product_id);
device = g_object_new (GDK_TYPE_X11_DEVICE_XI2,
"name", dev->name,
"source", input_source,
"has-cursor", (dev->use == XIMasterPointer),
"display", display,
"device-id", dev->deviceid,
"vendor-id", vendor_id,
"product-id", product_id,
"num-touches", num_touches,
NULL);
gdk_x11_device_xi2_set_device_type ((GdkX11DeviceXI2 *) device, type);
translate_device_classes (display, device, dev->classes, dev->num_classes);
g_free (vendor_id);
g_free (product_id);
return device;
}
static void
ensure_seat_for_device_pair (GdkX11DeviceManagerXI2 *device_manager,
GdkDevice *device1,
GdkDevice *device2)
{
GdkDevice *pointer, *keyboard;
GdkDisplay *display;
GdkSeat *seat;
display = device_manager->display;
seat = gdk_device_get_seat (device1);
if (!seat)
{
if (gdk_device_get_source (device1) == GDK_SOURCE_KEYBOARD)
{
keyboard = device1;
pointer = device2;
}
else
{
pointer = device1;
keyboard = device2;
}
seat = gdk_seat_default_new_for_logical_pair (pointer, keyboard);
gdk_display_add_seat (display, seat);
g_object_unref (seat);
}
}
static GdkDevice *
add_device (GdkX11DeviceManagerXI2 *device_manager,
XIDeviceInfo *dev,
gboolean emit_signal)
{
GdkDisplay *display;
GdkDevice *device;
display = device_manager->display;
device = create_device (device_manager, display, dev);
g_hash_table_replace (device_manager->id_table,
GINT_TO_POINTER (dev->deviceid),
g_object_ref (device));
device_manager->devices = g_list_append (device_manager->devices, device);
if (emit_signal)
{
if (dev->use == XISlavePointer || dev->use == XISlaveKeyboard)
{
GdkDevice *logical;
GdkSeat *seat;
/* The device manager is already constructed, then
* keep the hierarchy coherent for the added device.
*/
logical = g_hash_table_lookup (device_manager->id_table,
GINT_TO_POINTER (dev->attachment));
_gdk_device_set_associated_device (device, logical);
_gdk_device_add_physical_device (logical, device);
seat = gdk_device_get_seat (logical);
gdk_seat_default_add_physical_device (GDK_SEAT_DEFAULT (seat), device);
}
else if (dev->use == XIMasterPointer || dev->use == XIMasterKeyboard)
{
GdkDevice *relative;
relative = g_hash_table_lookup (device_manager->id_table,
GINT_TO_POINTER (dev->attachment));
if (relative)
{
_gdk_device_set_associated_device (device, relative);
_gdk_device_set_associated_device (relative, device);
ensure_seat_for_device_pair (device_manager, device, relative);
}
}
}
return device;
}
static void
detach_from_seat (GdkDevice *device)
{
GdkSeat *seat = gdk_device_get_seat (device);
GdkX11DeviceXI2 *device_xi2 = (GdkX11DeviceXI2 *) device;
if (!seat)
return;
if (gdk_x11_device_xi2_get_device_type (device_xi2) == GDK_X11_DEVICE_TYPE_LOGICAL)
gdk_display_remove_seat (gdk_device_get_display (device), seat);
else if (gdk_x11_device_xi2_get_device_type (device_xi2) == GDK_X11_DEVICE_TYPE_PHYSICAL)
gdk_seat_default_remove_physical_device (GDK_SEAT_DEFAULT (seat), device);
}
static void
remove_device (GdkX11DeviceManagerXI2 *device_manager,
int device_id)
{
GdkDevice *device;
device = g_hash_table_lookup (device_manager->id_table,
GINT_TO_POINTER (device_id));
if (device)
{
detach_from_seat (device);
g_hash_table_remove (device_manager->id_table,
GINT_TO_POINTER (device_id));
device_manager->devices = g_list_remove (device_manager->devices, device);
g_object_run_dispose (G_OBJECT (device));
g_object_unref (device);
}
}
static void
relate_logical_devices (gpointer key,
gpointer value,
gpointer user_data)
{
GdkX11DeviceManagerXI2 *device_manager;
GdkDevice *device, *relative;
device_manager = user_data;
device = g_hash_table_lookup (device_manager->id_table, key);
relative = g_hash_table_lookup (device_manager->id_table, value);
_gdk_device_set_associated_device (device, relative);
_gdk_device_set_associated_device (relative, device);
ensure_seat_for_device_pair (device_manager, device, relative);
}
static void
relate_physical_devices (gpointer key,
gpointer value,
gpointer user_data)
{
GdkX11DeviceManagerXI2 *device_manager;
GdkDevice *physical, *logical;
GdkSeat *seat;
device_manager = user_data;
physical = g_hash_table_lookup (device_manager->id_table, key);
logical = g_hash_table_lookup (device_manager->id_table, value);
_gdk_device_set_associated_device (physical, logical);
_gdk_device_add_physical_device (logical, physical);
seat = gdk_device_get_seat (logical);
gdk_seat_default_add_physical_device (GDK_SEAT_DEFAULT (seat), physical);
}
static void
gdk_x11_device_manager_xi2_constructed (GObject *object)
{
GdkX11DeviceManagerXI2 *device_manager;
GdkDisplay *display;
GHashTable *logical_devices, *physical_devices;
Display *xdisplay;
XIDeviceInfo *info, *dev;
int ndevices, i;
XIEventMask event_mask;
unsigned char mask[2] = { 0 };
G_OBJECT_CLASS (gdk_x11_device_manager_xi2_parent_class)->constructed (object);
device_manager = GDK_X11_DEVICE_MANAGER_XI2 (object);
display = device_manager->display;
xdisplay = GDK_DISPLAY_XDISPLAY (display);
g_assert (device_manager->major == 2);
logical_devices = g_hash_table_new (NULL, NULL);
physical_devices = g_hash_table_new (NULL, NULL);
info = XIQueryDevice (xdisplay, XIAllDevices, &ndevices);
/* Initialize devices list */
for (i = 0; i < ndevices; i++)
{
dev = &info[i];
if (!dev->enabled)
continue;
add_device (device_manager, dev, FALSE);
if (dev->use == XIMasterPointer ||
dev->use == XIMasterKeyboard)
{
g_hash_table_insert (logical_devices,
GINT_TO_POINTER (dev->deviceid),
GINT_TO_POINTER (dev->attachment));
}
else if (dev->use == XISlavePointer ||
dev->use == XISlaveKeyboard)
{
g_hash_table_insert (physical_devices,
GINT_TO_POINTER (dev->deviceid),
GINT_TO_POINTER (dev->attachment));
}
}
XIFreeDeviceInfo (info);
/* Stablish relationships between devices */
g_hash_table_foreach (logical_devices, relate_logical_devices, object);
g_hash_table_destroy (logical_devices);
g_hash_table_foreach (physical_devices, relate_physical_devices, object);
g_hash_table_destroy (physical_devices);
/* Connect to hierarchy change events */
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;
_gdk_x11_device_manager_xi2_select_events (device_manager,
GDK_DISPLAY_XROOTWIN (display),
&event_mask);
}
static void
gdk_x11_device_manager_xi2_dispose (GObject *object)
{
GdkX11DeviceManagerXI2 *device_manager;
device_manager = GDK_X11_DEVICE_MANAGER_XI2 (object);
g_list_free_full (device_manager->devices, g_object_unref);
device_manager->devices = NULL;
if (device_manager->id_table)
{
g_hash_table_destroy (device_manager->id_table);
device_manager->id_table = NULL;
}
G_OBJECT_CLASS (gdk_x11_device_manager_xi2_parent_class)->dispose (object);
}
static void
gdk_x11_device_manager_xi2_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
GdkX11DeviceManagerXI2 *device_manager;
device_manager = GDK_X11_DEVICE_MANAGER_XI2 (object);
switch (prop_id)
{
case PROP_DISPLAY:
device_manager->display = g_value_get_object (value);
break;
case PROP_OPCODE:
device_manager->opcode = g_value_get_int (value);
break;
case PROP_MAJOR:
device_manager->major = g_value_get_int (value);
break;
case PROP_MINOR:
device_manager->minor = g_value_get_int (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gdk_x11_device_manager_xi2_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
GdkX11DeviceManagerXI2 *device_manager;
device_manager = GDK_X11_DEVICE_MANAGER_XI2 (object);
switch (prop_id)
{
case PROP_DISPLAY:
g_value_set_object (value, device_manager->display);
break;
case PROP_OPCODE:
g_value_set_int (value, device_manager->opcode);
break;
case PROP_MAJOR:
g_value_set_int (value, device_manager->major);
break;
case PROP_MINOR:
g_value_set_int (value, device_manager->minor);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gdk_x11_device_manager_xi2_event_translator_init (GdkEventTranslatorIface *iface)
{
iface->translate_event = gdk_x11_device_manager_xi2_translate_event;
iface->get_handled_events = gdk_x11_device_manager_xi2_get_handled_events;
iface->select_surface_events = gdk_x11_device_manager_xi2_select_surface_events;
iface->get_surface = gdk_x11_device_manager_xi2_get_surface;
}
static void
handle_hierarchy_changed (GdkX11DeviceManagerXI2 *device_manager,
XIHierarchyEvent *ev)
{
GdkDisplay *display;
Display *xdisplay;
XIDeviceInfo *info;
int ndevices;
int i;
display = device_manager->display;
xdisplay = GDK_DISPLAY_XDISPLAY (display);
for (i = 0; i < ev->num_info; i++)
{
if (ev->info[i].flags & XIDeviceEnabled)
{
gdk_x11_display_error_trap_push (display);
info = XIQueryDevice (xdisplay, ev->info[i].deviceid, &ndevices);
gdk_x11_display_error_trap_pop_ignored (display);
if (info)
{
add_device (device_manager, &info[0], TRUE);
XIFreeDeviceInfo (info);
}
}
else if (ev->info[i].flags & XIDeviceDisabled)
remove_device (device_manager, ev->info[i].deviceid);
else if (ev->info[i].flags & XISlaveAttached ||
ev->info[i].flags & XISlaveDetached)
{
GdkDevice *logical = NULL, *physical;
GdkSeat *seat;
physical = g_hash_table_lookup (device_manager->id_table,
GINT_TO_POINTER (ev->info[i].deviceid));
if (!physical)
continue;
seat = gdk_device_get_seat (physical);
gdk_seat_default_remove_physical_device (GDK_SEAT_DEFAULT (seat), physical);
/* Add new logical device if it's an attachment event */
if (ev->info[i].flags & XISlaveAttached)
{
gdk_x11_display_error_trap_push (display);
info = XIQueryDevice (xdisplay, ev->info[i].deviceid, &ndevices);
gdk_x11_display_error_trap_pop_ignored (display);
if (info)
{
logical = g_hash_table_lookup (device_manager->id_table,
GINT_TO_POINTER (info->attachment));
XIFreeDeviceInfo (info);
}
if (logical != NULL)
{
_gdk_device_set_associated_device (physical, logical);
_gdk_device_add_physical_device (logical, physical);
seat = gdk_device_get_seat (logical);
gdk_seat_default_add_physical_device (GDK_SEAT_DEFAULT (seat), physical);
}
}
}
}
}
static void
handle_device_changed (GdkX11DeviceManagerXI2 *device_manager,
XIDeviceChangedEvent *ev)
{
GdkDisplay *display;
GdkDevice *device, *source_device;
display = device_manager->display;
device = g_hash_table_lookup (device_manager->id_table,
GUINT_TO_POINTER (ev->deviceid));
source_device = g_hash_table_lookup (device_manager->id_table,
GUINT_TO_POINTER (ev->sourceid));
if (device)
{
_gdk_device_reset_axes (device);
_gdk_device_xi2_unset_scroll_valuators ((GdkX11DeviceXI2 *) device);
gdk_x11_device_xi2_store_axes (GDK_X11_DEVICE_XI2 (device), NULL, 0);
translate_device_classes (display, device, ev->classes, ev->num_classes);
g_signal_emit_by_name (G_OBJECT (device), "changed");
}
if (source_device)
_gdk_device_xi2_reset_scroll_valuators (GDK_X11_DEVICE_XI2 (source_device));
}
static gboolean
device_get_tool_serial_and_id (GdkDevice *device,
guint *serial_id,
guint *id)
{
GdkDisplay *display;
gulong nitems, bytes_after;
guint32 *data;
int rc, format;
Atom type;
display = gdk_device_get_display (device);
gdk_x11_display_error_trap_push (display);
rc = XIGetProperty (GDK_DISPLAY_XDISPLAY (display),
gdk_x11_device_get_id (device),
gdk_x11_get_xatom_by_name_for_display (display, "Wacom Serial IDs"),
0, 5, False, XA_INTEGER, &type, &format, &nitems, &bytes_after,
(guchar **) &data);
gdk_x11_display_error_trap_pop_ignored (display);
if (rc != Success)
return FALSE;
if (type == XA_INTEGER && format == 32)
{
if (nitems >= 4)
*serial_id = data[3];
if (nitems >= 5)
*id = data[4];
}
XFree (data);
return TRUE;
}
static GdkDeviceToolType
device_get_tool_type (GdkDevice *device)
{
GdkDisplay *display;
gulong nitems, bytes_after;
guint32 *data;
int rc, format;
Atom type;
Atom device_type;
Atom types[N_WACOM_TYPE_ATOMS];
GdkDeviceToolType tool_type = GDK_DEVICE_TOOL_TYPE_UNKNOWN;
display = gdk_device_get_display (device);
gdk_x11_display_error_trap_push (display);
rc = XIGetProperty (GDK_DISPLAY_XDISPLAY (display),
gdk_x11_device_get_id (device),
gdk_x11_get_xatom_by_name_for_display (display, "Wacom Tool Type"),
0, 1, False, XA_ATOM, &type, &format, &nitems, &bytes_after,
(guchar **) &data);
gdk_x11_display_error_trap_pop_ignored (display);
if (rc != Success)
return GDK_DEVICE_TOOL_TYPE_UNKNOWN;
if (type != XA_ATOM || format != 32 || nitems != 1)
{
XFree (data);
return GDK_DEVICE_TOOL_TYPE_UNKNOWN;
}
device_type = *data;
XFree (data);
if (device_type == 0)
return GDK_DEVICE_TOOL_TYPE_UNKNOWN;
gdk_x11_display_error_trap_push (display);
rc = XInternAtoms (GDK_DISPLAY_XDISPLAY (display),
(char **) wacom_type_atoms,
N_WACOM_TYPE_ATOMS,
False,
types);
gdk_x11_display_error_trap_pop_ignored (display);
if (rc == 0)
return GDK_DEVICE_TOOL_TYPE_UNKNOWN;
if (device_type == types[WACOM_TYPE_STYLUS])
tool_type = GDK_DEVICE_TOOL_TYPE_PEN;
else if (device_type == types[WACOM_TYPE_CURSOR])
tool_type = GDK_DEVICE_TOOL_TYPE_MOUSE;
else if (device_type == types[WACOM_TYPE_ERASER])
tool_type = GDK_DEVICE_TOOL_TYPE_ERASER;
else if (device_type == types[WACOM_TYPE_TOUCH])
tool_type = GDK_DEVICE_TOOL_TYPE_UNKNOWN;
return tool_type;
}
static void
handle_property_change (GdkX11DeviceManagerXI2 *device_manager,
XIPropertyEvent *ev)
{
GdkDevice *device;
device = g_hash_table_lookup (device_manager->id_table,
GUINT_TO_POINTER (ev->deviceid));
if (device != NULL &&
ev->property == gdk_x11_get_xatom_by_name_for_display (gdk_device_get_display (device), "Wacom Serial IDs"))
{
GdkDeviceTool *tool = NULL;
guint serial_id = 0, tool_id = 0;
GdkSeat *seat;
if (ev->what != XIPropertyDeleted &&
device_get_tool_serial_and_id (device, &serial_id, &tool_id))
{
GdkDeviceToolType tool_type;
seat = gdk_device_get_seat (device);
tool_type = device_get_tool_type (device);
if (tool_type != GDK_DEVICE_TOOL_TYPE_UNKNOWN)
{
tool = gdk_seat_get_tool (seat, serial_id, tool_id, tool_type);
if (!tool && serial_id > 0)
{
tool = gdk_device_tool_new (serial_id, tool_id, tool_type, 0);
gdk_seat_default_add_tool (GDK_SEAT_DEFAULT (seat), tool);
}
}
}
gdk_device_update_tool (device, tool);
}
}
static GdkCrossingMode
translate_crossing_mode (int mode)
{
switch (mode)
{
case XINotifyNormal:
return GDK_CROSSING_NORMAL;
case XINotifyGrab:
case XINotifyPassiveGrab:
return GDK_CROSSING_GRAB;
case XINotifyUngrab:
case XINotifyPassiveUngrab:
return GDK_CROSSING_UNGRAB;
case XINotifyWhileGrabbed:
/* Fall through, unexpected in pointer crossing events */
default:
g_assert_not_reached ();
return GDK_CROSSING_NORMAL;
}
}
static GdkNotifyType
translate_notify_type (int detail)
{
switch (detail)
{
case NotifyInferior:
return GDK_NOTIFY_INFERIOR;
case NotifyAncestor:
return GDK_NOTIFY_ANCESTOR;
case NotifyVirtual:
return GDK_NOTIFY_VIRTUAL;
case NotifyNonlinear:
return GDK_NOTIFY_NONLINEAR;
case NotifyNonlinearVirtual:
return GDK_NOTIFY_NONLINEAR_VIRTUAL;
default:
g_assert_not_reached ();
return GDK_NOTIFY_UNKNOWN;
}
}
static void
set_user_time (GdkEvent *event)
{
GdkSurface *surface;
guint32 time;
surface = gdk_event_get_surface (event);
g_return_if_fail (GDK_IS_SURFACE (surface));
time = gdk_event_get_time (event);
/* If an event doesn't have a valid timestamp, we shouldn't use it
* to update the latest user interaction time.
*/
if (time != GDK_CURRENT_TIME)
gdk_x11_surface_set_user_time (surface, time);
}
static double *
translate_axes (GdkDevice *device,
double x,
double y,
GdkSurface *surface,
XIValuatorState *valuators)
{
guint n_axes, i;
double *axes;
double *vals;
n_axes = gdk_device_get_n_axes (device);
axes = g_new0 (double, GDK_AXIS_LAST);
vals = valuators->values;
for (i = 0; i < MIN (valuators->mask_len * 8, n_axes); i++)
{
GdkAxisUse use;
double val;
if (!XIMaskIsSet (valuators->mask, i))
continue;
use = gdk_device_get_axis_use (device, i);
val = *vals++;
switch ((guint) use)
{
case GDK_AXIS_X:
case GDK_AXIS_Y:
{
if (use == GDK_AXIS_X)
axes[use] = x;
else
axes[use] = y;
}
break;
default:
_gdk_device_translate_axis (device, i, val, &axes[use]);
break;
}
}
gdk_x11_device_xi2_store_axes (GDK_X11_DEVICE_XI2 (device), axes, n_axes);
return axes;
}
static gboolean
get_event_surface (GdkEventTranslator *translator,
XIEvent *ev,
GdkSurface **surface_p)
{
GdkDisplay *display;
GdkSurface *surface = NULL;
gboolean should_have_window = TRUE;
display = GDK_X11_DEVICE_MANAGER_XI2 (translator)->display;
switch (ev->evtype)
{
case XI_KeyPress:
case XI_KeyRelease:
case XI_ButtonPress:
case XI_ButtonRelease:
case XI_Motion:
#ifdef XINPUT_2_2
case XI_TouchUpdate:
case XI_TouchBegin:
case XI_TouchEnd:
#endif /* XINPUT_2_2 */
{
XIDeviceEvent *xev = (XIDeviceEvent *) ev;
surface = gdk_x11_surface_lookup_for_display (display, xev->event);
/* Apply keyboard grabs to non-native windows */
if (ev->evtype == XI_KeyPress || ev->evtype == XI_KeyRelease)
{
GdkDeviceGrabInfo *info;
GdkDevice *device;
gulong serial;
device = g_hash_table_lookup (GDK_X11_DEVICE_MANAGER_XI2 (translator)->id_table,
GUINT_TO_POINTER (((XIDeviceEvent *) ev)->deviceid));
serial = _gdk_display_get_next_serial (display);
info = _gdk_display_has_device_grab (display, device, serial);
if (info && !info->owner_events)
{
/* Report key event against grab surface */
surface = info->surface;
}
}
}
break;
#ifdef XINPUT_2_4
case XI_GesturePinchBegin:
case XI_GesturePinchUpdate:
case XI_GesturePinchEnd:
{
XIGesturePinchEvent *xev = (XIGesturePinchEvent *) ev;
surface = gdk_x11_surface_lookup_for_display (display, xev->event);
}
break;
case XI_GestureSwipeBegin:
case XI_GestureSwipeUpdate:
case XI_GestureSwipeEnd:
{
XIGestureSwipeEvent *xev = (XIGestureSwipeEvent *) ev;
surface = gdk_x11_surface_lookup_for_display (display, xev->event);
}
break;
#endif /* XINPUT_2_4 */
case XI_Enter:
case XI_Leave:
case XI_FocusIn:
case XI_FocusOut:
{
XIEnterEvent *xev = (XIEnterEvent *) ev;
surface = gdk_x11_surface_lookup_for_display (display, xev->event);
}
break;
default:
should_have_window = FALSE;
break;
}
*surface_p = surface;
if (should_have_window && !surface)
return FALSE;
return TRUE;
}
static gboolean
scroll_valuators_changed (GdkX11DeviceXI2 *device,
XIValuatorState *valuators,
double *dx,
double *dy)
{
gboolean has_scroll_valuators = FALSE;
GdkScrollDirection direction;
guint n_axes, i, n_val;
double *vals;
n_axes = gdk_device_get_n_axes (GDK_DEVICE (device));
vals = valuators->values;
*dx = *dy = 0;
n_val = 0;
for (i = 0; i < MIN (valuators->mask_len * 8, n_axes); i++)
{
double delta;
if (!XIMaskIsSet (valuators->mask, i))
continue;
if (_gdk_x11_device_xi2_get_scroll_delta (device, i, vals[n_val],
&direction, &delta))
{
has_scroll_valuators = TRUE;
if (direction == GDK_SCROLL_UP ||
direction == GDK_SCROLL_DOWN)
*dy = delta;
else
*dx = delta;
}
n_val++;
}
return has_scroll_valuators;
}
/* We only care about focus events that indicate that _this_
* surface (not an ancestor or child) got or lost the focus
*/
static void
_gdk_device_manager_xi2_handle_focus (GdkSurface *surface,
Window original,
GdkDevice *device,
GdkDevice *source_device,
gboolean focus_in,
int detail,
int mode)
{
GdkToplevelX11 *toplevel;
GdkX11Screen *x11_screen;
gboolean had_focus;
g_return_if_fail (GDK_IS_SURFACE (surface));
g_return_if_fail (GDK_IS_DEVICE (device));
g_return_if_fail (source_device == NULL || GDK_IS_DEVICE (source_device));
GDK_DISPLAY_DEBUG (gdk_surface_get_display (surface), EVENTS,
"focus out:\t\twindow: %ld, detail: %s, mode: %s",
GDK_SURFACE_XID (surface),
notify_details[detail],
notify_modes[mode]);
toplevel = _gdk_x11_surface_get_toplevel (surface);
if (!toplevel)
return;
if (toplevel->focus_window == original)
return;
had_focus = HAS_FOCUS (toplevel);
x11_screen = GDK_X11_SCREEN (GDK_SURFACE_SCREEN (surface));
switch (detail)
{
case NotifyAncestor:
case NotifyVirtual:
/* When the focus moves from an ancestor of the window to
* the window or a descendent of the window, *and* the
* pointer is inside the window, then we were previously
* receiving keystroke events in the has_pointer_focus
* case and are now receiving them in the
* has_focus_window case.
*/
if (toplevel->has_pointer &&
!x11_screen->wmspec_check_window &&
mode != NotifyGrab &&
mode != XINotifyPassiveGrab &&
mode != XINotifyPassiveUngrab &&
mode != NotifyUngrab)
toplevel->has_pointer_focus = (focus_in) ? FALSE : TRUE;
G_GNUC_FALLTHROUGH;
case NotifyNonlinear:
case NotifyNonlinearVirtual:
if (mode != NotifyGrab &&
mode != XINotifyPassiveGrab &&
mode != XINotifyPassiveUngrab &&
mode != NotifyUngrab)
toplevel->has_focus_window = (focus_in) ? TRUE : FALSE;
/* We pretend that the focus moves to the grab
* window, so we pay attention to NotifyGrab
* NotifyUngrab, and ignore NotifyWhileGrabbed
*/
if (mode != NotifyWhileGrabbed)
toplevel->has_focus = (focus_in) ? TRUE : FALSE;
break;
case NotifyPointer:
/* The X server sends NotifyPointer/NotifyGrab,
* but the pointer focus is ignored while a
* grab is in effect
*/
if (!x11_screen->wmspec_check_window &&
mode != NotifyGrab &&
mode != XINotifyPassiveGrab &&
mode != XINotifyPassiveUngrab &&
mode != NotifyUngrab)
toplevel->has_pointer_focus = (focus_in) ? TRUE : FALSE;
break;
case NotifyInferior:
case NotifyPointerRoot:
case NotifyDetailNone:
default:
break;
}
if (HAS_FOCUS (toplevel) != had_focus)
{
GdkEvent *event;
event = gdk_focus_event_new (surface, device, focus_in);
G_GNUC_BEGIN_IGNORE_DEPRECATIONS
gdk_display_put_event (gdk_surface_get_display (surface), event);
G_GNUC_END_IGNORE_DEPRECATIONS
gdk_event_unref (event);
}
}
static GdkEvent *
gdk_x11_device_manager_xi2_translate_event (GdkEventTranslator *translator,
GdkDisplay *display,
const XEvent *xevent)
{
GdkX11DeviceManagerXI2 *device_manager;
const XGenericEventCookie *cookie;
GdkDevice *device, *source_device;
GdkSurface *surface;
GdkX11Surface *impl;
int scale;
XIEvent *ev;
GdkEvent *event;
event = NULL;
device_manager = (GdkX11DeviceManagerXI2 *) translator;
cookie = &xevent->xcookie;
if (xevent->type != GenericEvent ||
cookie->extension != device_manager->opcode)
return event;
ev = (XIEvent *) cookie->data;
if (!ev)
return NULL;
if (!get_event_surface (translator, ev, &surface))
return NULL;
if (surface && GDK_SURFACE_DESTROYED (surface))
return NULL;
scale = 1;
if (surface)
{
impl = GDK_X11_SURFACE (surface);
scale = impl->surface_scale;
}
if (ev->evtype == XI_Motion ||
ev->evtype == XI_ButtonRelease)
{
if (_gdk_x11_moveresize_handle_event (xevent))
return NULL;
}
switch (ev->evtype)
{
case XI_HierarchyChanged:
handle_hierarchy_changed (device_manager,
(XIHierarchyEvent *) ev);
break;
case XI_DeviceChanged:
handle_device_changed (device_manager,
(XIDeviceChangedEvent *) ev);
break;
case XI_PropertyEvent:
handle_property_change (device_manager,
(XIPropertyEvent *) ev);
break;
case XI_KeyPress:
case XI_KeyRelease:
{
XIDeviceEvent *xev = (XIDeviceEvent *) ev;
GdkKeymap *keymap = gdk_display_get_keymap (display);
GdkModifierType consumed, state, orig_state;
int layout, level;
guint keyval;
GdkTranslatedKey translated;
GdkTranslatedKey no_lock;
GDK_DISPLAY_DEBUG (display, EVENTS,
"key %s:\twindow %ld\n"
"\tdevice:%u\n"
"\tsource device:%u\n"
"\tkey number: %u\n",
(ev->evtype == XI_KeyPress) ? "press" : "release",
xev->event,
xev->deviceid,
xev->sourceid,
xev->detail);
state = _gdk_x11_device_xi2_translate_state (&xev->mods, &xev->buttons, &xev->group);
device = g_hash_table_lookup (device_manager->id_table,
GUINT_TO_POINTER (xev->deviceid));
source_device = g_hash_table_lookup (device_manager->id_table,
GUINT_TO_POINTER (xev->sourceid));
keyval = GDK_KEY_VoidSymbol;
gdk_keymap_translate_keyboard_state (keymap,
xev->detail,
state,
xev->group.effective,
&keyval,
&layout, &level, &consumed);
orig_state = state;
state &= ~consumed;
_gdk_x11_keymap_add_virt_mods (keymap, &state);
state |= orig_state;
translated.keyval = keyval;
translated.consumed = consumed;
translated.layout = layout;
translated.level = level;
if (orig_state & GDK_LOCK_MASK)
{
orig_state &= ~GDK_LOCK_MASK;
gdk_keymap_translate_keyboard_state (keymap,
xev->detail,
orig_state,
xev->group.effective,
&keyval,
&layout, &level, &consumed);
no_lock.keyval = keyval;
no_lock.consumed = consumed;
no_lock.layout = layout;
no_lock.level = level;
}
else
{
no_lock = translated;
}
event = gdk_key_event_new (xev->evtype == XI_KeyPress
? GDK_KEY_PRESS
: GDK_KEY_RELEASE,
surface,
device,
xev->time,
xev->detail,
state,
gdk_x11_keymap_key_is_modifier (keymap, xev->detail),
&translated,
&no_lock,
NULL);
if (ev->evtype == XI_KeyPress)
set_user_time (event);
/* FIXME: emulate autorepeat on key
* release? XI2 seems attached to Xkb.
*/
}
break;
case XI_ButtonPress:
case XI_ButtonRelease:
{
XIDeviceEvent *xev = (XIDeviceEvent *) ev;
GDK_DISPLAY_DEBUG (display, EVENTS,
"button %s:\twindow %ld\n"
"\tdevice:%u\n"
"\tsource device:%u\n"
"\tbutton number: %u\n"
"\tx,y: %.2f %.2f",
(ev->evtype == XI_ButtonPress) ? "press" : "release",
xev->event,
xev->deviceid,
xev->sourceid,
xev->detail,
xev->event_x, xev->event_y);
#ifdef XINPUT_2_2
if (xev->flags & XIPointerEmulated)
return FALSE;
#endif
if (ev->evtype == XI_ButtonRelease &&
(xev->detail >= 4 && xev->detail <= 7))
return FALSE;
else if (ev->evtype == XI_ButtonPress &&
(xev->detail >= 4 && xev->detail <= 7))
{
GdkScrollDirection direction;
/* Button presses of button 4-7 are scroll events */
if (xev->detail == 4)
direction = GDK_SCROLL_UP;
else if (xev->detail == 5)
direction = GDK_SCROLL_DOWN;
else if (xev->detail == 6)
direction = GDK_SCROLL_LEFT;
else
direction = GDK_SCROLL_RIGHT;
device = g_hash_table_lookup (device_manager->id_table,
GUINT_TO_POINTER (xev->deviceid));
source_device = g_hash_table_lookup (device_manager->id_table,
GUINT_TO_POINTER (xev->sourceid));
event = gdk_scroll_event_new_discrete (surface,
source_device,
NULL,
xev->time,
_gdk_x11_device_xi2_translate_state (&xev->mods, &xev->buttons, &xev->group),
direction);
}
else
{
double x, y;
double *axes;
device = g_hash_table_lookup (device_manager->id_table,
GUINT_TO_POINTER (xev->deviceid));
source_device = g_hash_table_lookup (device_manager->id_table,
GUINT_TO_POINTER (xev->sourceid));
axes = translate_axes (device,
(double) xev->event_x / scale,
(double) xev->event_y / scale,
surface,
&xev->valuators);
x = (double) xev->event_x / scale;
y = (double) xev->event_y / scale;
event = gdk_button_event_new (ev->evtype == XI_ButtonPress
? GDK_BUTTON_PRESS
: GDK_BUTTON_RELEASE,
surface,
device,
source_device->last_tool,
xev->time,
_gdk_x11_device_xi2_translate_state (&xev->mods, &xev->buttons, &xev->group),
xev->detail,
x, y,
axes);
}
if (ev->evtype == XI_ButtonPress)
set_user_time (event);
break;
}
case XI_Motion:
{
XIDeviceEvent *xev = (XIDeviceEvent *) ev;
double delta_x, delta_y;
double x, y;
double *axes;
#ifdef XINPUT_2_2
if (xev->flags & XIPointerEmulated)
return FALSE;
#endif
source_device = g_hash_table_lookup (device_manager->id_table,
GUINT_TO_POINTER (xev->sourceid));
device = g_hash_table_lookup (device_manager->id_table,
GUINT_TO_POINTER (xev->deviceid));
/* When scrolling, X might send events twice here; once with both the
* device and the source device set to the physical device, and once
* with the device set to the logical device.
*
* Since we are only interested in the latter, and
* scroll_valuators_changed() updates the valuator cache for the
* source device, we need to explicitly ignore the first event in
* order to get the correct delta for the second.
*/
if (gdk_x11_device_xi2_get_device_type ((GdkX11DeviceXI2 *) device) != GDK_X11_DEVICE_TYPE_PHYSICAL &&
scroll_valuators_changed (GDK_X11_DEVICE_XI2 (source_device),
&xev->valuators, &delta_x, &delta_y))
{
GdkModifierType state;
GdkScrollDirection direction;
GDK_DISPLAY_DEBUG (display, EVENTS,
"smooth scroll: \n\tdevice: %u\n\tsource device: %u\n\twindow %ld\n\tdeltas: %f %f",
xev->deviceid, xev->sourceid,
xev->event, delta_x, delta_y);
state = _gdk_x11_device_xi2_translate_state (&xev->mods, &xev->buttons, &xev->group);
if (delta_x > 0)
direction = GDK_SCROLL_RIGHT;
else if (delta_x < 0)
direction = GDK_SCROLL_LEFT;
else if (delta_y > 0)
direction = GDK_SCROLL_DOWN;
else
direction = GDK_SCROLL_UP;
if (gdk_device_get_source (source_device) != GDK_SOURCE_TOUCHPAD &&
((delta_x == 0.0 && ABS (delta_y) == 1.0) ||
(ABS (delta_x) == 1.0 && delta_y == 0.0)))
{
event = gdk_scroll_event_new_discrete (surface,
device,
NULL,
xev->time,
state,
direction);
}
else if (gdk_device_get_source (source_device) == GDK_SOURCE_MOUSE)
{
event = gdk_scroll_event_new_value120 (surface,
device,
NULL,
xev->time,
state,
direction,
delta_x * 120.0,
delta_y * 120.0);
}
else
{
event = gdk_scroll_event_new (surface,
device,
NULL,
xev->time,
state,
delta_x,
delta_y,
delta_x == 0.0 && delta_y == 0.0,
GDK_SCROLL_UNIT_WHEEL);
}
break;
}
axes = translate_axes (device,
(double) xev->event_x / scale,
(double) xev->event_y / scale,
surface,
&xev->valuators);
x = (double) xev->event_x / scale;
y = (double) xev->event_y / scale;
event = gdk_motion_event_new (surface,
device,
source_device->last_tool,
xev->time,
_gdk_x11_device_xi2_translate_state (&xev->mods, &xev->buttons, &xev->group),
x, y,
axes);
}
break;
#ifdef XINPUT_2_2
case XI_TouchBegin:
case XI_TouchEnd:
{
XIDeviceEvent *xev = (XIDeviceEvent *) ev;
GdkModifierType state;
double x, y;
double *axes;
GDK_DISPLAY_DEBUG (display, EVENTS,
"touch %s:\twindow %ld\n\ttouch id: %u\n\tpointer emulating: %s",
ev->evtype == XI_TouchBegin ? "begin" : "end",
xev->event,
xev->detail,
xev->flags & XITouchEmulatingPointer ? "true" : "false");
device = g_hash_table_lookup (device_manager->id_table,
GUINT_TO_POINTER (xev->deviceid));
source_device = g_hash_table_lookup (device_manager->id_table,
GUINT_TO_POINTER (xev->sourceid));
state = _gdk_x11_device_xi2_translate_state (&xev->mods, &xev->buttons, &xev->group);
if (ev->evtype == XI_TouchBegin)
state |= GDK_BUTTON1_MASK;
axes = translate_axes (device,
(double) xev->event_x / scale,
(double) xev->event_y / scale,
surface,
&xev->valuators);
x = (double) xev->event_x / scale;
y = (double) xev->event_y / scale;
event = gdk_touch_event_new (ev->evtype == XI_TouchBegin
? GDK_TOUCH_BEGIN
: GDK_TOUCH_END,
GUINT_TO_POINTER (xev->detail),
surface,
device,
xev->time,
state,
x, y,
axes,
xev->flags & XITouchEmulatingPointer);
if (ev->evtype == XI_TouchBegin)
set_user_time (event);
}
break;
case XI_TouchUpdate:
{
XIDeviceEvent *xev = (XIDeviceEvent *) ev;
GdkModifierType state;
double x, y;
double *axes;
GDK_DISPLAY_DEBUG (display, EVENTS,
"touch update:\twindow %ld\n\ttouch id: %u\n\tpointer emulating: %s",
xev->event,
xev->detail,
xev->flags & XITouchEmulatingPointer ? "true" : "false");
device = g_hash_table_lookup (device_manager->id_table,
GINT_TO_POINTER (xev->deviceid));
source_device = g_hash_table_lookup (device_manager->id_table,
GUINT_TO_POINTER (xev->sourceid));
state = _gdk_x11_device_xi2_translate_state (&xev->mods, &xev->buttons, &xev->group);
state |= GDK_BUTTON1_MASK;
axes = translate_axes (device,
(double) xev->event_x / scale,
(double) xev->event_y / scale,
surface,
&xev->valuators);
x = (double) xev->event_x / scale;
y = (double) xev->event_y / scale;
event = gdk_touch_event_new (GDK_TOUCH_UPDATE,
GUINT_TO_POINTER (xev->detail),
surface,
device,
xev->time,
state,
x, y,
axes,
xev->flags & XITouchEmulatingPointer);
}
break;
#endif /* XINPUT_2_2 */
#ifdef XINPUT_2_4
case XI_GesturePinchBegin:
case XI_GesturePinchUpdate:
case XI_GesturePinchEnd:
{
XIGesturePinchEvent *xev = (XIGesturePinchEvent *) ev;
GdkModifierType state;
GdkTouchpadGesturePhase phase;
double x, y;
const char *event_name = "";
switch (xev->evtype)
{
case XI_GesturePinchBegin:
event_name = "begin";
break;
case XI_GesturePinchUpdate:
event_name = "update";
break;
case XI_GesturePinchEnd:
event_name = "end";
break;
default:
break;
}
GDK_DEBUG (EVENTS, "pinch gesture %s:\twindow %ld\n\tfinger_count: %u%s",
event_name,
xev->event,
xev->detail,
xev->flags & XIGesturePinchEventCancelled ? "\n\tcancelled" : "");
device = g_hash_table_lookup (device_manager->id_table,
GINT_TO_POINTER (xev->deviceid));
state = _gdk_x11_device_xi2_translate_state (&xev->mods, NULL, &xev->group);
phase = _gdk_x11_device_xi2_gesture_type_to_phase (xev->evtype, xev->flags);
x = (double) xev->event_x / scale;
y = (double) xev->event_y / scale;
event = gdk_touchpad_event_new_pinch (surface,
NULL, /* FIXME make up sequences */
device,
xev->time,
state,
phase,
x, y,
xev->detail,
xev->delta_x,
xev->delta_y,
xev->scale,
xev->delta_angle * G_PI / 180);
if (ev->evtype == XI_GesturePinchBegin)
set_user_time (event);
}
break;
case XI_GestureSwipeBegin:
case XI_GestureSwipeUpdate:
case XI_GestureSwipeEnd:
{
XIGestureSwipeEvent *xev = (XIGestureSwipeEvent *) ev;
GdkModifierType state;
GdkTouchpadGesturePhase phase;
double x, y;
const char *event_name = "";
switch (xev->evtype)
{
case XI_GestureSwipeBegin:
event_name = "begin";
break;
case XI_GestureSwipeUpdate:
event_name = "update";
break;
case XI_GestureSwipeEnd:
event_name = "end";
break;
default:
break;
}
GDK_DEBUG (EVENTS, "swipe gesture %s:\twindow %ld\n\tfinger_count: %u%s",
event_name,
xev->event,
xev->detail,
xev->flags & XIGestureSwipeEventCancelled ? "\n\tcancelled" : "");
device = g_hash_table_lookup (device_manager->id_table,
GINT_TO_POINTER (xev->deviceid));
state = _gdk_x11_device_xi2_translate_state (&xev->mods, NULL, &xev->group);
phase = _gdk_x11_device_xi2_gesture_type_to_phase (xev->evtype, xev->flags);
x = (double) xev->event_x / scale;
y = (double) xev->event_y / scale;
event = gdk_touchpad_event_new_swipe (surface,
NULL, /* FIXME make up sequences */
device,
xev->time,
state,
phase,
x, y,
xev->detail,
xev->delta_x,
xev->delta_y);
if (ev->evtype == XI_GestureSwipeBegin)
set_user_time (event);
}
break;
#endif /* XINPUT_2_4 */
case XI_Enter:
case XI_Leave:
{
XIEnterEvent *xev = (XIEnterEvent *) ev;
GdkModifierType state;
GDK_DISPLAY_DEBUG (display, EVENTS,
"%s notify:\twindow %ld\n\tsubwindow:%ld\n"
"\tdevice: %u\n\tsource device: %u\n"
"\tnotify type: %u\n\tcrossing mode: %u",
(ev->evtype == XI_Enter) ? "enter" : "leave",
xev->event, xev->child,
xev->deviceid, xev->sourceid,
xev->detail, xev->mode);
device = g_hash_table_lookup (device_manager->id_table,
GINT_TO_POINTER (xev->deviceid));
source_device = g_hash_table_lookup (device_manager->id_table,
GUINT_TO_POINTER (xev->sourceid));
state = _gdk_x11_device_xi2_translate_state (&xev->mods, &xev->buttons, &xev->group);
/* Ignore normal crossing events while there is an implicit grab.
* We will receive a crossing event with one of the other details if
* the implicit grab were finished (eg. releasing the button outside
* the window triggers a XINotifyUngrab leave).
*/
if (xev->mode == XINotifyNormal &&
(state & (GDK_BUTTON1_MASK | GDK_BUTTON2_MASK | GDK_BUTTON3_MASK |
GDK_BUTTON4_MASK | GDK_BUTTON5_MASK)))
break;
if (ev->evtype == XI_Enter &&
xev->detail != XINotifyInferior && xev->mode != XINotifyPassiveUngrab &&
GDK_IS_TOPLEVEL (surface))
{
GList *l;
for (l = device_manager->devices; l; l = l->next)
_gdk_device_xi2_reset_scroll_valuators (GDK_X11_DEVICE_XI2 (l->data));
}
event = gdk_crossing_event_new (ev->evtype == XI_Enter
? GDK_ENTER_NOTIFY
: GDK_LEAVE_NOTIFY,
surface,
device,
xev->time,
state,
(double) xev->event_x / scale,
(double) xev->event_y / scale,
translate_crossing_mode (xev->mode),
translate_notify_type (xev->detail));
}
break;
case XI_FocusIn:
case XI_FocusOut:
{
if (surface)
{
XIEnterEvent *xev = (XIEnterEvent *) ev;
device = g_hash_table_lookup (device_manager->id_table,
GINT_TO_POINTER (xev->deviceid));
source_device = g_hash_table_lookup (device_manager->id_table,
GUINT_TO_POINTER (xev->sourceid));
_gdk_device_manager_xi2_handle_focus (surface,
xev->event,
device,
source_device,
(ev->evtype == XI_FocusIn) ? TRUE : FALSE,
xev->detail,
xev->mode);
}
}
break;
default:
break;
}
return event;
}
static GdkEventMask
gdk_x11_device_manager_xi2_get_handled_events (GdkEventTranslator *translator)
{
return (GDK_KEY_PRESS_MASK |
GDK_KEY_RELEASE_MASK |
GDK_BUTTON_PRESS_MASK |
GDK_BUTTON_RELEASE_MASK |
GDK_SCROLL_MASK |
GDK_ENTER_NOTIFY_MASK |
GDK_LEAVE_NOTIFY_MASK |
GDK_POINTER_MOTION_MASK |
GDK_BUTTON1_MOTION_MASK |
GDK_BUTTON2_MOTION_MASK |
GDK_BUTTON3_MOTION_MASK |
GDK_BUTTON_MOTION_MASK |
GDK_FOCUS_CHANGE_MASK |
GDK_TOUCH_MASK |
GDK_TOUCHPAD_GESTURE_MASK);
}
static void
gdk_x11_device_manager_xi2_select_surface_events (GdkEventTranslator *translator,
Window window,
GdkEventMask evmask)
{
XIEventMask event_mask;
event_mask.deviceid = XIAllMasterDevices;
event_mask.mask = _gdk_x11_device_xi2_translate_event_mask (GDK_X11_DEVICE_MANAGER_XI2 (translator),
evmask,
&event_mask.mask_len);
_gdk_x11_device_manager_xi2_select_events (GDK_X11_DEVICE_MANAGER_XI2 (translator), window, &event_mask);
g_free (event_mask.mask);
}
static GdkSurface *
gdk_x11_device_manager_xi2_get_surface (GdkEventTranslator *translator,
const XEvent *xevent)
{
GdkX11DeviceManagerXI2 *device_manager;
XIEvent *ev;
GdkSurface *surface = NULL;
device_manager = (GdkX11DeviceManagerXI2 *) translator;
if (xevent->type != GenericEvent ||
xevent->xcookie.extension != device_manager->opcode)
return NULL;
ev = (XIEvent *) xevent->xcookie.data;
if (!ev)
return NULL;
get_event_surface (translator, ev, &surface);
return surface;
}
GdkDevice *
_gdk_x11_device_manager_xi2_lookup (GdkX11DeviceManagerXI2 *device_manager_xi2,
int device_id)
{
return g_hash_table_lookup (device_manager_xi2->id_table,
GINT_TO_POINTER (device_id));
}