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gtk2/gdk/win32/gdkinput-win32.c
Tor Lillqvist 8c323acbae Implement lazy extended input initialization on Win32, by Robert Ögren. 
2005-02-02  Tor Lillqvist  <tml@novell.com>

	Implement lazy extended input initialization on Win32, by Robert
	Ögren. Fixes #163163, possibly #162334. Lazy initialization would
	be a good idea in any case even if it didn't fix any visible
	problems, though.

	The Wacom tablet driver seems to get confused if Wintab is
	initialized but no window is shown before the process exits. This
	is the case for some GIMP plug-ins, for instance.

	* gdk/win32/gdkinput-win32.c (_gdk_input_wintab_init_check): Made
	non-static (and renamed).
	(_gdk_input_init): Don't call _gdk_input_wintab_init_check().

	* gdk/win32/gdkinput-win32.h: Declare _gdk_input_wintab_init_check().

	* gdk/win32/gdkinput.c (gdk_devices_list,
	gdk_display_list_devices, gdk_input_set_extension_events): Call
	_gdk_input_wintab_init_check() here instead.
2005-02-02 18:11:17 +00:00

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/* GDK - The GIMP Drawing Kit
* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
* Copyright (C) 1998-2002 Tor Lillqvist
*
* 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, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
/*
* Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
* file for a list of people on the GTK+ Team. See the ChangeLog
* files for a list of changes. These files are distributed with
* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
*/
#include <config.h>
#include <stdlib.h>
#include <stdio.h>
#include <math.h>
#include "gdk.h"
#include "gdkinput.h"
#include "gdkinternals.h"
#include "gdkprivate-win32.h"
#include "gdkinput-win32.h"
#ifdef HAVE_WINTAB
#define PACKETDATA (PK_CONTEXT | PK_CURSOR | PK_BUTTONS | PK_X | PK_Y | PK_NORMAL_PRESSURE | PK_ORIENTATION)
#define PACKETMODE (PK_BUTTONS)
#include <pktdef.h>
/* If USE_SYSCONTEXT is on, we open the Wintab device (hmm, what if
* there are several?) as a system pointing device, i.e. it controls
* the normal Windows cursor. This seems much more natural.
*/
#define USE_SYSCONTEXT 1 /* The code for the other choice is not
* good at all.
*/
#define DEBUG_WINTAB 1 /* Verbose debug messages enabled */
#endif
#if defined(HAVE_WINTAB) || defined(HAVE_WHATEVER_OTHER)
#define HAVE_SOME_XINPUT
#endif
#define TWOPI (2.*G_PI)
/* Forward declarations */
#if !USE_SYSCONTEXT
static GdkInputWindow *gdk_input_window_find_within (GdkWindow *window);
#endif
#ifdef HAVE_WINTAB
static GdkDevicePrivate *gdk_input_find_dev_from_ctx (HCTX hctx,
UINT id);
static GList *wintab_contexts = NULL;
static GdkWindow *wintab_window = NULL;
#endif /* HAVE_WINTAB */
#ifdef HAVE_SOME_XINPUT
static GdkWindow *x_grab_window = NULL; /* Window that currently holds
* the extended inputs grab
*/
static GdkEventMask x_grab_mask;
static gboolean x_grab_owner_events;
#endif /* HAVE_SOME_XINPUT */
#ifdef HAVE_WINTAB
static GdkDevicePrivate *
gdk_input_find_dev_from_ctx (HCTX hctx,
UINT cursor)
{
GList *tmp_list = _gdk_input_devices;
GdkDevicePrivate *gdkdev;
while (tmp_list)
{
gdkdev = (GdkDevicePrivate *) (tmp_list->data);
if (gdkdev->hctx == hctx && gdkdev->cursor == cursor)
return gdkdev;
tmp_list = tmp_list->next;
}
return NULL;
}
#if DEBUG_WINTAB
static void
print_lc(LOGCONTEXT *lc)
{
g_print ("lcName = %s\n", lc->lcName);
g_print ("lcOptions =");
if (lc->lcOptions & CXO_SYSTEM) g_print (" CXO_SYSTEM");
if (lc->lcOptions & CXO_PEN) g_print (" CXO_PEN");
if (lc->lcOptions & CXO_MESSAGES) g_print (" CXO_MESSAGES");
if (lc->lcOptions & CXO_MARGIN) g_print (" CXO_MARGIN");
if (lc->lcOptions & CXO_MGNINSIDE) g_print (" CXO_MGNINSIDE");
if (lc->lcOptions & CXO_CSRMESSAGES) g_print (" CXO_CSRMESSAGES");
g_print ("\n");
g_print ("lcStatus =");
if (lc->lcStatus & CXS_DISABLED) g_print (" CXS_DISABLED");
if (lc->lcStatus & CXS_OBSCURED) g_print (" CXS_OBSCURED");
if (lc->lcStatus & CXS_ONTOP) g_print (" CXS_ONTOP");
g_print ("\n");
g_print ("lcLocks =");
if (lc->lcLocks & CXL_INSIZE) g_print (" CXL_INSIZE");
if (lc->lcLocks & CXL_INASPECT) g_print (" CXL_INASPECT");
if (lc->lcLocks & CXL_SENSITIVITY) g_print (" CXL_SENSITIVITY");
if (lc->lcLocks & CXL_MARGIN) g_print (" CXL_MARGIN");
g_print ("\n");
g_print ("lcMsgBase = %#x, lcDevice = %#x, lcPktRate = %d\n",
lc->lcMsgBase, lc->lcDevice, lc->lcPktRate);
g_print ("lcPktData =");
if (lc->lcPktData & PK_CONTEXT) g_print (" PK_CONTEXT");
if (lc->lcPktData & PK_STATUS) g_print (" PK_STATUS");
if (lc->lcPktData & PK_TIME) g_print (" PK_TIME");
if (lc->lcPktData & PK_CHANGED) g_print (" PK_CHANGED");
if (lc->lcPktData & PK_SERIAL_NUMBER) g_print (" PK_SERIAL_NUMBER");
if (lc->lcPktData & PK_CURSOR) g_print (" PK_CURSOR");
if (lc->lcPktData & PK_BUTTONS) g_print (" PK_BUTTONS");
if (lc->lcPktData & PK_X) g_print (" PK_X");
if (lc->lcPktData & PK_Y) g_print (" PK_Y");
if (lc->lcPktData & PK_Z) g_print (" PK_Z");
if (lc->lcPktData & PK_NORMAL_PRESSURE) g_print (" PK_NORMAL_PRESSURE");
if (lc->lcPktData & PK_TANGENT_PRESSURE) g_print (" PK_TANGENT_PRESSURE");
if (lc->lcPktData & PK_ORIENTATION) g_print (" PK_ORIENTATION");
if (lc->lcPktData & PK_ROTATION) g_print (" PK_ROTATION");
g_print ("\n");
g_print ("lcPktMode =");
if (lc->lcPktMode & PK_CONTEXT) g_print (" PK_CONTEXT");
if (lc->lcPktMode & PK_STATUS) g_print (" PK_STATUS");
if (lc->lcPktMode & PK_TIME) g_print (" PK_TIME");
if (lc->lcPktMode & PK_CHANGED) g_print (" PK_CHANGED");
if (lc->lcPktMode & PK_SERIAL_NUMBER) g_print (" PK_SERIAL_NUMBER");
if (lc->lcPktMode & PK_CURSOR) g_print (" PK_CURSOR");
if (lc->lcPktMode & PK_BUTTONS) g_print (" PK_BUTTONS");
if (lc->lcPktMode & PK_X) g_print (" PK_X");
if (lc->lcPktMode & PK_Y) g_print (" PK_Y");
if (lc->lcPktMode & PK_Z) g_print (" PK_Z");
if (lc->lcPktMode & PK_NORMAL_PRESSURE) g_print (" PK_NORMAL_PRESSURE");
if (lc->lcPktMode & PK_TANGENT_PRESSURE) g_print (" PK_TANGENT_PRESSURE");
if (lc->lcPktMode & PK_ORIENTATION) g_print (" PK_ORIENTATION");
if (lc->lcPktMode & PK_ROTATION) g_print (" PK_ROTATION");
g_print ("\n");
g_print ("lcMoveMask =");
if (lc->lcMoveMask & PK_CONTEXT) g_print (" PK_CONTEXT");
if (lc->lcMoveMask & PK_STATUS) g_print (" PK_STATUS");
if (lc->lcMoveMask & PK_TIME) g_print (" PK_TIME");
if (lc->lcMoveMask & PK_CHANGED) g_print (" PK_CHANGED");
if (lc->lcMoveMask & PK_SERIAL_NUMBER) g_print (" PK_SERIAL_NUMBER");
if (lc->lcMoveMask & PK_CURSOR) g_print (" PK_CURSOR");
if (lc->lcMoveMask & PK_BUTTONS) g_print (" PK_BUTTONS");
if (lc->lcMoveMask & PK_X) g_print (" PK_X");
if (lc->lcMoveMask & PK_Y) g_print (" PK_Y");
if (lc->lcMoveMask & PK_Z) g_print (" PK_Z");
if (lc->lcMoveMask & PK_NORMAL_PRESSURE) g_print (" PK_NORMAL_PRESSURE");
if (lc->lcMoveMask & PK_TANGENT_PRESSURE) g_print (" PK_TANGENT_PRESSURE");
if (lc->lcMoveMask & PK_ORIENTATION) g_print (" PK_ORIENTATION");
if (lc->lcMoveMask & PK_ROTATION) g_print (" PK_ROTATION");
g_print ("\n");
g_print ("lcBtnDnMask = %#x, lcBtnUpMask = %#x\n",
(guint) lc->lcBtnDnMask, (guint) lc->lcBtnUpMask);
g_print ("lcInOrgX = %ld, lcInOrgY = %ld, lcInOrgZ = %ld\n",
lc->lcInOrgX, lc->lcInOrgY, lc->lcInOrgZ);
g_print ("lcInExtX = %ld, lcInExtY = %ld, lcInExtZ = %ld\n",
lc->lcInExtX, lc->lcInExtY, lc->lcInExtZ);
g_print ("lcOutOrgX = %ld, lcOutOrgY = %ld, lcOutOrgZ = %ld\n",
lc->lcOutOrgX, lc->lcOutOrgY, lc->lcOutOrgZ);
g_print ("lcOutExtX = %ld, lcOutExtY = %ld, lcOutExtZ = %ld\n",
lc->lcOutExtX, lc->lcOutExtY, lc->lcOutExtZ);
g_print ("lcSensX = %g, lcSensY = %g, lcSensZ = %g\n",
lc->lcSensX / 65536., lc->lcSensY / 65536., lc->lcSensZ / 65536.);
g_print ("lcSysMode = %d\n", lc->lcSysMode);
g_print ("lcSysOrgX = %d, lcSysOrgY = %d\n",
lc->lcSysOrgX, lc->lcSysOrgY);
g_print ("lcSysExtX = %d, lcSysExtY = %d\n",
lc->lcSysExtX, lc->lcSysExtY);
g_print ("lcSysSensX = %g, lcSysSensY = %g\n",
lc->lcSysSensX / 65536., lc->lcSysSensY / 65536.);
}
#endif
void
_gdk_input_wintab_init_check (void)
{
static gboolean wintab_initialized = FALSE;
GdkDevicePrivate *gdkdev;
GdkWindowAttr wa;
WORD specversion;
LOGCONTEXT defcontext;
HCTX *hctx;
UINT ndevices, ncursors, ncsrtypes, firstcsr, hardware;
BOOL active;
AXIS axis_x, axis_y, axis_npressure, axis_or[3];
int i, k;
int devix, cursorix;
char devname[100], csrname[100];
if (wintab_initialized)
return;
wintab_initialized = TRUE;
wintab_contexts = NULL;
if (!_gdk_input_ignore_wintab &&
WTInfo (0, 0, NULL))
{
WTInfo (WTI_INTERFACE, IFC_SPECVERSION, &specversion);
GDK_NOTE (INPUT, g_print ("Wintab interface version %d.%d\n",
HIBYTE (specversion), LOBYTE (specversion)));
#if USE_SYSCONTEXT
WTInfo (WTI_DEFSYSCTX, 0, &defcontext);
#if DEBUG_WINTAB
GDK_NOTE (INPUT, (g_print("DEFSYSCTX:\n"), print_lc(&defcontext)));
#endif
#else
WTInfo (WTI_DEFCONTEXT, 0, &defcontext);
#if DEBUG_WINTAB
GDK_NOTE (INPUT, (g_print("DEFCONTEXT:\n"), print_lc(&defcontext)));
#endif
#endif
WTInfo (WTI_INTERFACE, IFC_NDEVICES, &ndevices);
WTInfo (WTI_INTERFACE, IFC_NCURSORS, &ncursors);
#if DEBUG_WINTAB
GDK_NOTE (INPUT, g_print ("NDEVICES: %d, NCURSORS: %d\n",
ndevices, ncursors));
#endif
/* Create a dummy window to receive wintab events */
wa.wclass = GDK_INPUT_OUTPUT;
wa.event_mask = GDK_ALL_EVENTS_MASK;
wa.width = 2;
wa.height = 2;
wa.x = -100;
wa.y = -100;
wa.window_type = GDK_WINDOW_TOPLEVEL;
if ((wintab_window = gdk_window_new (NULL, &wa, GDK_WA_X|GDK_WA_Y)) == NULL)
{
g_warning ("gdk_input_wintab_init: gdk_window_new failed");
return;
}
g_object_ref (wintab_window);
for (devix = 0; devix < ndevices; devix++)
{
LOGCONTEXT lc;
WTInfo (WTI_DEVICES + devix, DVC_NAME, devname);
WTInfo (WTI_DEVICES + devix, DVC_NCSRTYPES, &ncsrtypes);
WTInfo (WTI_DEVICES + devix, DVC_FIRSTCSR, &firstcsr);
WTInfo (WTI_DEVICES + devix, DVC_HARDWARE, &hardware);
WTInfo (WTI_DEVICES + devix, DVC_X, &axis_x);
WTInfo (WTI_DEVICES + devix, DVC_Y, &axis_y);
WTInfo (WTI_DEVICES + devix, DVC_NPRESSURE, &axis_npressure);
WTInfo (WTI_DEVICES + devix, DVC_ORIENTATION, axis_or);
if (HIBYTE (specversion) > 1 || LOBYTE (specversion) >= 1)
{
WTInfo (WTI_DDCTXS + devix, CTX_NAME, lc.lcName);
WTInfo (WTI_DDCTXS + devix, CTX_OPTIONS, &lc.lcOptions);
lc.lcOptions |= CXO_MESSAGES;
#if USE_SYSCONTEXT
lc.lcOptions |= CXO_SYSTEM;
#endif
lc.lcStatus = 0;
WTInfo (WTI_DDCTXS + devix, CTX_LOCKS, &lc.lcLocks);
lc.lcMsgBase = WT_DEFBASE;
lc.lcDevice = devix;
lc.lcPktRate = 50;
lc.lcPktData = PACKETDATA;
lc.lcPktMode = PK_BUTTONS; /* We want buttons in relative mode */
lc.lcMoveMask = PACKETDATA;
lc.lcBtnDnMask = lc.lcBtnUpMask = ~0;
WTInfo (WTI_DDCTXS + devix, CTX_INORGX, &lc.lcInOrgX);
WTInfo (WTI_DDCTXS + devix, CTX_INORGY, &lc.lcInOrgY);
WTInfo (WTI_DDCTXS + devix, CTX_INORGZ, &lc.lcInOrgZ);
WTInfo (WTI_DDCTXS + devix, CTX_INEXTX, &lc.lcInExtX);
WTInfo (WTI_DDCTXS + devix, CTX_INEXTY, &lc.lcInExtY);
WTInfo (WTI_DDCTXS + devix, CTX_INEXTZ, &lc.lcInExtZ);
lc.lcOutOrgX = axis_x.axMin;
lc.lcOutOrgY = axis_y.axMin;
lc.lcOutExtX = axis_x.axMax - axis_x.axMin;
lc.lcOutExtY = axis_y.axMax - axis_y.axMin;
lc.lcOutExtY = -lc.lcOutExtY; /* We want Y growing downward */
WTInfo (WTI_DDCTXS + devix, CTX_SENSX, &lc.lcSensX);
WTInfo (WTI_DDCTXS + devix, CTX_SENSY, &lc.lcSensY);
WTInfo (WTI_DDCTXS + devix, CTX_SENSZ, &lc.lcSensZ);
WTInfo (WTI_DDCTXS + devix, CTX_SYSMODE, &lc.lcSysMode);
WTInfo (WTI_DDCTXS + devix, CTX_SYSORGX, &lc.lcSysOrgX);
WTInfo (WTI_DDCTXS + devix, CTX_SYSORGY, &lc.lcSysOrgY);
WTInfo (WTI_DDCTXS + devix, CTX_SYSEXTX, &lc.lcSysExtX);
WTInfo (WTI_DDCTXS + devix, CTX_SYSEXTY, &lc.lcSysExtY);
WTInfo (WTI_DDCTXS + devix, CTX_SYSSENSX, &lc.lcSysSensX);
WTInfo (WTI_DDCTXS + devix, CTX_SYSSENSY, &lc.lcSysSensY);
}
else
{
lc = defcontext;
lc.lcOptions |= CXO_MESSAGES;
lc.lcMsgBase = WT_DEFBASE;
lc.lcPktRate = 50;
lc.lcPktData = PACKETDATA;
lc.lcPktMode = PACKETMODE;
lc.lcMoveMask = PACKETDATA;
lc.lcBtnUpMask = lc.lcBtnDnMask = ~0;
#if 0
lc.lcOutExtY = -lc.lcOutExtY; /* Y grows downward */
#else
lc.lcOutOrgX = axis_x.axMin;
lc.lcOutOrgY = axis_y.axMin;
lc.lcOutExtX = axis_x.axMax - axis_x.axMin;
lc.lcOutExtY = axis_y.axMax - axis_y.axMin;
lc.lcOutExtY = -lc.lcOutExtY; /* We want Y growing downward */
#endif
}
#if DEBUG_WINTAB
GDK_NOTE (INPUT, (g_print("context for device %d:\n", devix),
print_lc(&lc)));
#endif
hctx = g_new (HCTX, 1);
if ((*hctx = WTOpen (GDK_WINDOW_HWND (wintab_window), &lc, TRUE)) == NULL)
{
g_warning ("gdk_input_wintab_init: WTOpen failed");
return;
}
GDK_NOTE (INPUT, g_print ("opened Wintab device %d %p\n",
devix, *hctx));
wintab_contexts = g_list_append (wintab_contexts, hctx);
#if 0
WTEnable (*hctx, TRUE);
#endif
WTOverlap (*hctx, TRUE);
#if DEBUG_WINTAB
GDK_NOTE (INPUT, (g_print("context for device %d after WTOpen:\n", devix),
print_lc(&lc)));
#endif
/* Increase packet queue size to reduce the risk of lost packets */
/* According to the specs, if the function fails we must try again */
/* with a smaller queue size */
GDK_NOTE (INPUT, g_print("Attempting to increase queue size\n"));
for (i = 128; i >= 1; i >>= 1)
{
if (WTQueueSizeSet(*hctx, i))
{
GDK_NOTE (INPUT, g_print("Queue size set to %d\n", i));
break;
}
}
if (!i)
GDK_NOTE (INPUT, g_print("Whoops, no queue size could be set\n"));
for (cursorix = firstcsr; cursorix < firstcsr + ncsrtypes; cursorix++)
{
active = FALSE;
WTInfo (WTI_CURSORS + cursorix, CSR_ACTIVE, &active);
if (!active)
continue;
gdkdev = g_object_new (GDK_TYPE_DEVICE, NULL);
WTInfo (WTI_CURSORS + cursorix, CSR_NAME, csrname);
gdkdev->info.name = g_strconcat (devname, " ", csrname, NULL);
gdkdev->info.source = GDK_SOURCE_PEN;
gdkdev->info.mode = GDK_MODE_SCREEN;
#if USE_SYSCONTEXT
gdkdev->info.has_cursor = TRUE;
#else
gdkdev->info.has_cursor = FALSE;
#endif
gdkdev->hctx = *hctx;
gdkdev->cursor = cursorix;
WTInfo (WTI_CURSORS + cursorix, CSR_PKTDATA, &gdkdev->pktdata);
gdkdev->info.num_axes = 0;
if (gdkdev->pktdata & PK_X)
gdkdev->info.num_axes++;
if (gdkdev->pktdata & PK_Y)
gdkdev->info.num_axes++;
if (gdkdev->pktdata & PK_NORMAL_PRESSURE)
gdkdev->info.num_axes++;
/* The wintab driver for the Wacom ArtPad II reports
* PK_ORIENTATION in CSR_PKTDATA, but the tablet doesn't
* actually sense tilt. Catch this by noticing that the
* orientation axis's azimuth resolution is zero.
*/
if ((gdkdev->pktdata & PK_ORIENTATION)
&& axis_or[0].axResolution == 0)
gdkdev->pktdata &= ~PK_ORIENTATION;
if (gdkdev->pktdata & PK_ORIENTATION)
gdkdev->info.num_axes += 2; /* x and y tilt */
WTInfo (WTI_CURSORS + cursorix, CSR_NPBTNMARKS, &gdkdev->npbtnmarks);
gdkdev->info.axes = g_new (GdkDeviceAxis, gdkdev->info.num_axes);
gdkdev->axes = g_new (GdkAxisInfo, gdkdev->info.num_axes);
gdkdev->last_axis_data = g_new (gint, gdkdev->info.num_axes);
k = 0;
if (gdkdev->pktdata & PK_X)
{
gdkdev->axes[k].xresolution =
gdkdev->axes[k].resolution = axis_x.axResolution / 65535.;
gdkdev->axes[k].xmin_value =
gdkdev->axes[k].min_value = axis_x.axMin;
gdkdev->axes[k].xmax_value =
gdkdev->axes[k].max_value = axis_x.axMax;
gdkdev->info.axes[k].use = GDK_AXIS_X;
gdkdev->info.axes[k].min = axis_x.axMin;
gdkdev->info.axes[k].max = axis_x.axMax;
k++;
}
if (gdkdev->pktdata & PK_Y)
{
gdkdev->axes[k].xresolution =
gdkdev->axes[k].resolution = axis_y.axResolution / 65535.;
gdkdev->axes[k].xmin_value =
gdkdev->axes[k].min_value = axis_y.axMin;
gdkdev->axes[k].xmax_value =
gdkdev->axes[k].max_value = axis_y.axMax;
gdkdev->info.axes[k].use = GDK_AXIS_Y;
gdkdev->info.axes[k].min = axis_y.axMin;
gdkdev->info.axes[k].max = axis_y.axMax;
k++;
}
if (gdkdev->pktdata & PK_NORMAL_PRESSURE)
{
gdkdev->axes[k].xresolution =
gdkdev->axes[k].resolution = axis_npressure.axResolution / 65535.;
gdkdev->axes[k].xmin_value =
gdkdev->axes[k].min_value = axis_npressure.axMin;
gdkdev->axes[k].xmax_value =
gdkdev->axes[k].max_value = axis_npressure.axMax;
gdkdev->info.axes[k].use = GDK_AXIS_PRESSURE;
/* GIMP seems to expect values in the range 0-1 */
gdkdev->info.axes[k].min = 0.0; /*axis_npressure.axMin;*/
gdkdev->info.axes[k].max = 1.0; /*axis_npressure.axMax;*/
k++;
}
if (gdkdev->pktdata & PK_ORIENTATION)
{
GdkAxisUse axis;
gdkdev->orientation_axes[0] = axis_or[0];
gdkdev->orientation_axes[1] = axis_or[1];
for (axis = GDK_AXIS_XTILT; axis <= GDK_AXIS_YTILT; axis++)
{
/* Wintab gives us aximuth and altitude, which
* we convert to x and y tilt in the -1000..1000 range
*/
gdkdev->axes[k].xresolution =
gdkdev->axes[k].resolution = 1000;
gdkdev->axes[k].xmin_value =
gdkdev->axes[k].min_value = -1000;
gdkdev->axes[k].xmax_value =
gdkdev->axes[k].max_value = 1000;
gdkdev->info.axes[k].use = axis;
gdkdev->info.axes[k].min = -1000;
gdkdev->info.axes[k].max = 1000;
k++;
}
}
gdkdev->info.num_keys = 0;
gdkdev->info.keys = NULL;
GDK_NOTE (INPUT,
g_print ("device: (%d) %s axes: %d\n",
cursorix,
gdkdev->info.name,
gdkdev->info.num_axes));
for (i = 0; i < gdkdev->info.num_axes; i++)
GDK_NOTE (INPUT,
g_print ("...axis %d: %d--%d@%d (%d--%d@%d)\n",
i,
gdkdev->axes[i].xmin_value,
gdkdev->axes[i].xmax_value,
gdkdev->axes[i].xresolution,
gdkdev->axes[i].min_value,
gdkdev->axes[i].max_value,
gdkdev->axes[i].resolution));
_gdk_input_devices = g_list_append (_gdk_input_devices,
gdkdev);
}
}
}
}
static void
decode_tilt (gint *axis_data,
AXIS *axes,
PACKET *packet)
{
/* As I don't have a tilt-sensing tablet,
* I cannot test this code.
*/
double az, el;
az = TWOPI * packet->pkOrientation.orAzimuth /
(axes[0].axResolution / 65536.);
el = TWOPI * packet->pkOrientation.orAltitude /
(axes[1].axResolution / 65536.);
/* X tilt */
axis_data[0] = cos (az) * cos (el) * 1000;
/* Y tilt */
axis_data[1] = sin (az) * cos (el) * 1000;
}
#if !USE_SYSCONTEXT
static GdkInputWindow *
gdk_input_window_find_within (GdkWindow *window)
{
GList *list;
GdkWindow *tmpw;
GdkInputWindow *candidate = NULL;
for (list = _gdk_input_windows; list != NULL; list = list->next)
{
tmpw = ((GdkInputWindow *) (tmp_list->data))->window;
if (tmpw == window
|| IsChild (GDK_WINDOW_HWND (window), GDK_WINDOW_HWND (tmpw)))
{
if (candidate)
return NULL; /* Multiple hits */
candidate = (GdkInputWindow *) (list->data);
}
}
return candidate;
}
#endif /* USE_SYSCONTEXT */
#endif /* HAVE_WINTAB */
static void
gdk_input_translate_coordinates (GdkDevicePrivate *gdkdev,
GdkInputWindow *input_window,
gint *axis_data,
gdouble *axis_out,
gdouble *x_out,
gdouble *y_out)
{
GdkWindowImplWin32 *impl, *root_impl;
int i;
int x_axis = 0;
int y_axis = 0;
double device_width, device_height;
double x_offset, y_offset, x_scale, y_scale;
impl = GDK_WINDOW_IMPL_WIN32 (GDK_WINDOW_OBJECT (input_window->window)->impl);
for (i=0; i<gdkdev->info.num_axes; i++)
{
switch (gdkdev->info.axes[i].use)
{
case GDK_AXIS_X:
x_axis = i;
break;
case GDK_AXIS_Y:
y_axis = i;
break;
default:
break;
}
}
device_width = gdkdev->axes[x_axis].max_value -
gdkdev->axes[x_axis].min_value;
device_height = gdkdev->axes[y_axis].max_value -
gdkdev->axes[y_axis].min_value;
if (gdkdev->info.mode == GDK_MODE_SCREEN)
{
root_impl = GDK_WINDOW_IMPL_WIN32 (GDK_WINDOW_OBJECT (_gdk_parent_root)->impl);
x_scale = root_impl->width / device_width;
y_scale = root_impl->height / device_height;
x_offset = - input_window->root_x;
y_offset = - input_window->root_y;
}
else /* GDK_MODE_WINDOW */
{
double device_aspect = (device_height*gdkdev->axes[y_axis].resolution) /
(device_width*gdkdev->axes[x_axis].resolution);
if (device_aspect * impl->width >= impl->height)
{
/* device taller than window */
x_scale = impl->width / device_width;
y_scale = (x_scale * gdkdev->axes[x_axis].resolution)
/ gdkdev->axes[y_axis].resolution;
x_offset = 0;
y_offset = -(device_height * y_scale -
impl->height)/2;
}
else
{
/* window taller than device */
y_scale = impl->height / device_height;
x_scale = (y_scale * gdkdev->axes[y_axis].resolution)
/ gdkdev->axes[x_axis].resolution;
y_offset = 0;
x_offset = - (device_width * x_scale - impl->width)/2;
}
}
for (i=0; i<gdkdev->info.num_axes; i++)
{
switch (gdkdev->info.axes[i].use)
{
case GDK_AXIS_X:
axis_out[i] = x_offset + x_scale*axis_data[x_axis];
if (x_out)
*x_out = axis_out[i];
break;
case GDK_AXIS_Y:
axis_out[i] = y_offset + y_scale*axis_data[y_axis];
if (y_out)
*y_out = axis_out[i];
break;
default:
axis_out[i] =
(gdkdev->info.axes[i].max * (axis_data[i] - gdkdev->axes[i].min_value) +
gdkdev->info.axes[i].min * (gdkdev->axes[i].max_value - axis_data[i])) /
(gdkdev->axes[i].max_value - gdkdev->axes[i].min_value);
break;
}
}
}
static void
gdk_input_get_root_relative_geometry (HWND w,
int *x_ret,
int *y_ret)
{
RECT rect;
GetWindowRect (w, &rect);
if (x_ret)
*x_ret = rect.left + _gdk_offset_x;
if (y_ret)
*y_ret = rect.top + _gdk_offset_y;
}
void
_gdk_input_configure_event (GdkWindow *window)
{
GdkInputWindow *input_window;
int root_x, root_y;
input_window = _gdk_input_window_find (window);
g_return_if_fail (window != NULL);
gdk_input_get_root_relative_geometry (GDK_WINDOW_HWND (window),
&root_x, &root_y);
input_window->root_x = root_x;
input_window->root_y = root_y;
}
void
_gdk_input_enter_event (GdkWindow *window)
{
GdkInputWindow *input_window;
int root_x, root_y;
input_window = _gdk_input_window_find (window);
g_return_if_fail (window != NULL);
gdk_input_get_root_relative_geometry (GDK_WINDOW_HWND (window), &root_x, &root_y);
input_window->root_x = root_x;
input_window->root_y = root_y;
}
/*
* Get the currently active keyboard modifiers (ignoring the mouse buttons)
* We could use gdk_window_get_pointer but that function does a lot of other
* expensive things besides getting the modifiers. This code is somewhat based
* on build_pointer_event_state from gdkevents-win32.c
*/
static guint
get_modifier_key_state (void)
{
guint state;
state = 0;
/* High-order bit is up/down, low order bit is toggled/untoggled */
if (GetKeyState (VK_CONTROL) < 0)
state |= GDK_CONTROL_MASK;
if (GetKeyState (VK_SHIFT) < 0)
state |= GDK_SHIFT_MASK;
if (GetKeyState (VK_MENU) < 0)
state |= GDK_MOD1_MASK;
if (GetKeyState (VK_CAPITAL) & 0x1)
state |= GDK_LOCK_MASK;
return state;
}
gboolean
_gdk_input_other_event (GdkEvent *event,
MSG *msg,
GdkWindow *window)
{
#ifdef HAVE_WINTAB
#if !USE_SYSCONTEXT
GdkWindow *current_window;
#endif
GdkDisplay *display;
GdkWindowObject *obj, *grab_obj;
GdkInputWindow *input_window;
GdkDevicePrivate *gdkdev = NULL;
GdkEventMask masktest;
guint key_state;
POINT pt;
PACKET packet;
gint k;
gint x, y;
if (event->any.window != wintab_window)
{
g_warning ("_gdk_input_other_event: not wintab_window?");
return FALSE;
}
#if USE_SYSCONTEXT
window = gdk_window_at_pointer (&x, &y);
if (window == NULL)
window = _gdk_parent_root;
g_object_ref (window);
display = gdk_drawable_get_display (window);
GDK_NOTE (EVENTS_OR_INPUT,
g_print ("gdk_input_win32_other_event: window=%p (%d,%d)\n",
GDK_WINDOW_HWND (window), x, y));
#else
/* ??? This code is pretty bogus */
current_window = gdk_win32_handle_table_lookup (GetActiveWindow ());
if (current_window == NULL)
return FALSE;
input_window = gdk_input_window_find_within (current_window);
if (input_window == NULL)
return FALSE;
#endif
if (msg->message == WT_PACKET)
{
if (!WTPacket ((HCTX) msg->lParam, msg->wParam, &packet))
return FALSE;
}
obj = GDK_WINDOW_OBJECT (window);
switch (msg->message)
{
case WT_PACKET:
/* Don't produce any button or motion events while a window is being
* moved or resized, see bug #151090. */
if (_sizemove_in_progress)
{
GDK_NOTE (EVENTS_OR_INPUT, g_print ("...ignored when moving/sizing\n"));
return FALSE;
}
if (window == _gdk_parent_root && x_grab_window == NULL)
{
GDK_NOTE (EVENTS_OR_INPUT, g_print ("...is root\n"));
return FALSE;
}
if ((gdkdev = gdk_input_find_dev_from_ctx ((HCTX) msg->lParam,
packet.pkCursor)) == NULL)
return FALSE;
if (gdkdev->info.mode == GDK_MODE_DISABLED)
return FALSE;
k = 0;
if (gdkdev->pktdata & PK_X)
gdkdev->last_axis_data[k++] = packet.pkX;
if (gdkdev->pktdata & PK_Y)
gdkdev->last_axis_data[k++] = packet.pkY;
if (gdkdev->pktdata & PK_NORMAL_PRESSURE)
gdkdev->last_axis_data[k++] = packet.pkNormalPressure;
if (gdkdev->pktdata & PK_ORIENTATION)
{
decode_tilt (gdkdev->last_axis_data + k,
gdkdev->orientation_axes, &packet);
k += 2;
}
g_assert (k == gdkdev->info.num_axes);
if (HIWORD (packet.pkButtons) != TBN_NONE)
{
/* Gdk buttons are numbered 1.. */
event->button.button = 1 + LOWORD (packet.pkButtons);
if (HIWORD (packet.pkButtons) == TBN_UP)
{
event->any.type = GDK_BUTTON_RELEASE;
masktest = GDK_BUTTON_RELEASE_MASK;
gdkdev->button_state &= ~(1 << LOWORD (packet.pkButtons));
}
else
{
event->any.type = GDK_BUTTON_PRESS;
masktest = GDK_BUTTON_PRESS_MASK;
gdkdev->button_state |= 1 << LOWORD (packet.pkButtons);
}
}
else
{
event->any.type = GDK_MOTION_NOTIFY;
masktest = GDK_POINTER_MOTION_MASK;
if (gdkdev->button_state & (1 << 0))
masktest |= GDK_BUTTON_MOTION_MASK | GDK_BUTTON1_MOTION_MASK;
if (gdkdev->button_state & (1 << 1))
masktest |= GDK_BUTTON_MOTION_MASK | GDK_BUTTON2_MOTION_MASK;
if (gdkdev->button_state & (1 << 2))
masktest |= GDK_BUTTON_MOTION_MASK | GDK_BUTTON3_MOTION_MASK;
}
/* See if input is grabbed */
/* FIXME: x_grab_owner_events should probably be handled somehow */
if (x_grab_window != NULL)
{
grab_obj = GDK_WINDOW_OBJECT (x_grab_window);
if (!GDK_WINDOW_IMPL_WIN32 (grab_obj->impl)->extension_events_selected
|| !(grab_obj->extension_events & masktest)
|| !(x_grab_mask && masktest))
{
GDK_NOTE (EVENTS_OR_INPUT,
g_print ("...grabber doesn't want it\n"));
return FALSE;
}
GDK_NOTE (EVENTS_OR_INPUT, g_print ("...to grabber\n"));
g_object_ref(x_grab_window);
g_object_unref(window);
window = x_grab_window;
obj = grab_obj;
}
/* Now we can check if the window wants the event, and
* propagate if necessary.
*/
dijkstra:
if (!GDK_WINDOW_IMPL_WIN32 (obj->impl)->extension_events_selected
|| !(obj->extension_events & masktest))
{
GDK_NOTE (EVENTS_OR_INPUT, g_print ("...not selected\n"));
if (obj->parent == GDK_WINDOW_OBJECT (_gdk_parent_root))
return FALSE;
/* It is not good to propagate the extended events up to the parent
* if this window wants normal (not extended) motion/button events */
if (obj->event_mask & masktest)
{
GDK_NOTE (EVENTS_OR_INPUT,
g_print ("...wants ordinary event, ignoring this\n"));
return FALSE;
}
pt.x = x;
pt.y = y;
ClientToScreen (GDK_WINDOW_HWND (window), &pt);
g_object_unref (window);
window = (GdkWindow *) obj->parent;
obj = GDK_WINDOW_OBJECT (window);
g_object_ref (window);
ScreenToClient (GDK_WINDOW_HWND (window), &pt);
x = pt.x;
y = pt.y;
GDK_NOTE (EVENTS_OR_INPUT, g_print ("...propagating to %p (%d,%d)\n",
GDK_WINDOW_HWND (window), x, y));
goto dijkstra;
}
input_window = _gdk_input_window_find (window);
g_assert (input_window != NULL);
if (gdkdev->info.mode == GDK_MODE_WINDOW
&& input_window->mode == GDK_EXTENSION_EVENTS_CURSOR)
return FALSE;
event->any.window = window;
key_state = get_modifier_key_state ();
if (event->any.type == GDK_BUTTON_PRESS
|| event->any.type == GDK_BUTTON_RELEASE)
{
event->button.time = _gdk_win32_get_next_tick (msg->time);
event->button.device = &gdkdev->info;
#if 0
#if USE_SYSCONTEXT
/* Buttons 1 to 3 will come in as WM_[LMR]BUTTON{DOWN,UP} */
if (event->button.button <= 3)
return FALSE;
#endif
#endif
event->button.axes = g_new(gdouble, gdkdev->info.num_axes);
gdk_input_translate_coordinates (gdkdev, input_window,
gdkdev->last_axis_data,
event->button.axes,
&event->button.x,
&event->button.y);
/* Also calculate root coordinates. Note that input_window->root_x
is in GDK root coordinates. */
event->button.x_root = event->button.x + input_window->root_x;
event->button.y_root = event->button.y + input_window->root_y;
event->button.state = ((gdkdev->button_state << 8)
& (GDK_BUTTON1_MASK | GDK_BUTTON2_MASK
| GDK_BUTTON3_MASK | GDK_BUTTON4_MASK
| GDK_BUTTON5_MASK))
| key_state;
GDK_NOTE (EVENTS_OR_INPUT,
g_print ("WINTAB button %s:%d %g,%g\n",
(event->button.type == GDK_BUTTON_PRESS ?
"press" : "release"),
event->button.button,
event->button.x, event->button.y));
}
else
{
event->motion.time = _gdk_win32_get_next_tick (msg->time);
event->motion.is_hint = FALSE;
event->motion.device = &gdkdev->info;
event->motion.axes = g_new(gdouble, gdkdev->info.num_axes);
gdk_input_translate_coordinates (gdkdev, input_window,
gdkdev->last_axis_data,
event->motion.axes,
&event->motion.x,
&event->motion.y);
/* Also calculate root coordinates. Note that input_window->root_x
is in GDK root coordinates. */
event->motion.x_root = event->motion.x + input_window->root_x;
event->motion.y_root = event->motion.y + input_window->root_y;
event->motion.state = ((gdkdev->button_state << 8)
& (GDK_BUTTON1_MASK | GDK_BUTTON2_MASK
| GDK_BUTTON3_MASK | GDK_BUTTON4_MASK
| GDK_BUTTON5_MASK))
| key_state;
GDK_NOTE (EVENTS_OR_INPUT,
g_print ("WINTAB motion: %g,%g\n",
event->motion.x, event->motion.y));
/* Check for missing release or press events for the normal
* pressure button. At least on my ArtPadII I sometimes miss a
* release event?
*/
if ((gdkdev->pktdata & PK_NORMAL_PRESSURE
&& (event->motion.state & GDK_BUTTON1_MASK)
&& packet.pkNormalPressure <= MAX (0, (gint) gdkdev->npbtnmarks[0] - 2))
|| (gdkdev->pktdata & PK_NORMAL_PRESSURE
&& !(event->motion.state & GDK_BUTTON1_MASK)
&& packet.pkNormalPressure > gdkdev->npbtnmarks[1] + 2))
{
GdkEvent *event2 = gdk_event_copy (event);
if (event->motion.state & GDK_BUTTON1_MASK)
{
event2->button.type = GDK_BUTTON_RELEASE;
gdkdev->button_state &= ~1;
}
else
{
event2->button.type = GDK_BUTTON_PRESS;
gdkdev->button_state |= 1;
}
event2->button.state = ((gdkdev->button_state << 8)
& (GDK_BUTTON1_MASK | GDK_BUTTON2_MASK
| GDK_BUTTON3_MASK | GDK_BUTTON4_MASK
| GDK_BUTTON5_MASK))
| key_state;
event2->button.button = 1;
GDK_NOTE (EVENTS_OR_INPUT,
g_print ("WINTAB synthesized button %s: %d %g,%gg\n",
(event2->button.type == GDK_BUTTON_PRESS ?
"press" : "release"),
event2->button.button,
event2->button.x,
event2->button.y));
_gdk_event_queue_append (display, event2);
}
}
return TRUE;
case WT_PROXIMITY:
if (LOWORD (msg->lParam) == 0)
{
event->proximity.type = GDK_PROXIMITY_OUT;
_gdk_input_ignore_core = FALSE;
}
else
{
event->proximity.type = GDK_PROXIMITY_IN;
_gdk_input_ignore_core = TRUE;
}
event->proximity.time = _gdk_win32_get_next_tick (msg->time);
event->proximity.device = &gdkdev->info;
GDK_NOTE (EVENTS_OR_INPUT,
g_print ("WINTAB proximity %s\n",
(event->proximity.type == GDK_PROXIMITY_IN ?
"in" : "out")));
return TRUE;
}
#endif
return FALSE;
}
gboolean
_gdk_input_enable_window (GdkWindow *window,
GdkDevicePrivate *gdkdev)
{
#ifdef HAVE_SOME_XINPUT
GdkWindowImplWin32 *impl = GDK_WINDOW_IMPL_WIN32 (GDK_WINDOW_OBJECT (window)->impl);
impl->extension_events_selected = TRUE;
#endif
return TRUE;
}
gboolean
_gdk_input_disable_window (GdkWindow *window,
GdkDevicePrivate *gdkdev)
{
#ifdef HAVE_SOME_XINPUT
GdkWindowImplWin32 *impl = GDK_WINDOW_IMPL_WIN32 (GDK_WINDOW_OBJECT (window)->impl);
impl->extension_events_selected = FALSE;
#endif
return TRUE;
}
gint
_gdk_input_grab_pointer (GdkWindow *window,
gint owner_events,
GdkEventMask event_mask,
GdkWindow *confine_to,
guint32 time)
{
#ifdef HAVE_SOME_XINPUT
GdkInputWindow *input_window, *new_window;
gboolean need_ungrab;
GdkDevicePrivate *gdkdev;
GList *tmp_list;
tmp_list = _gdk_input_windows;
new_window = NULL;
need_ungrab = FALSE;
GDK_NOTE (INPUT, g_print ("gdk_input_win32_grab_pointer: %p %d %p\n",
GDK_WINDOW_HWND (window),
owner_events,
(confine_to ? GDK_WINDOW_HWND (confine_to) : 0)));
while (tmp_list)
{
input_window = (GdkInputWindow *)tmp_list->data;
if (input_window->window == window)
new_window = input_window;
else if (input_window->grabbed)
{
input_window->grabbed = FALSE;
need_ungrab = TRUE;
}
tmp_list = tmp_list->next;
}
if (new_window)
{
new_window->grabbed = TRUE;
x_grab_window = window;
x_grab_mask = event_mask;
x_grab_owner_events = owner_events;
/* FIXME: Do we need to handle confine_to and time? */
tmp_list = _gdk_input_devices;
while (tmp_list)
{
gdkdev = (GdkDevicePrivate *)tmp_list->data;
if (!GDK_IS_CORE (gdkdev) && gdkdev->hctx)
{
#if 0
/* XXX */
gdk_input_common_find_events (window, gdkdev,
event_mask,
event_classes, &num_classes);
result = XGrabDevice( GDK_DISPLAY(), gdkdev->xdevice,
GDK_WINDOW_XWINDOW (window),
owner_events, num_classes, event_classes,
GrabModeAsync, GrabModeAsync, time);
/* FIXME: if failure occurs on something other than the first
device, things will be badly inconsistent */
if (result != Success)
return result;
#endif
}
tmp_list = tmp_list->next;
}
}
else
{
x_grab_window = NULL;
tmp_list = _gdk_input_devices;
while (tmp_list)
{
gdkdev = (GdkDevicePrivate *)tmp_list->data;
if (!GDK_IS_CORE (gdkdev) && gdkdev->hctx &&
((gdkdev->button_state != 0) || need_ungrab))
{
#if 0
/* XXX */
XUngrabDevice (gdk_display, gdkdev->xdevice, time);
#endif
gdkdev->button_state = 0;
}
tmp_list = tmp_list->next;
}
}
#endif
return GDK_GRAB_SUCCESS;
}
void
_gdk_input_ungrab_pointer (guint32 time)
{
#ifdef HAVE_SOME_XINPUT
GdkInputWindow *input_window;
GdkDevicePrivate *gdkdev;
GList *tmp_list;
GDK_NOTE (INPUT, g_print ("gdk_input_win32_ungrab_pointer\n"));
tmp_list = _gdk_input_windows;
while (tmp_list)
{
input_window = (GdkInputWindow *)tmp_list->data;
if (input_window->grabbed)
break;
tmp_list = tmp_list->next;
}
if (tmp_list) /* we found a grabbed window */
{
input_window->grabbed = FALSE;
tmp_list = _gdk_input_devices;
while (tmp_list)
{
gdkdev = (GdkDevicePrivate *)tmp_list->data;
#if 0
/* XXX */
if (!GDK_IS_CORE (gdkdev) && gdkdev->xdevice)
XUngrabDevice (gdk_display, gdkdev->xdevice, time);
#endif
tmp_list = tmp_list->next;
}
}
x_grab_window = NULL;
#endif
}
gboolean
_gdk_device_get_history (GdkDevice *device,
GdkWindow *window,
guint32 start,
guint32 stop,
GdkTimeCoord ***events,
gint *n_events)
{
return FALSE;
}
void
gdk_device_get_state (GdkDevice *device,
GdkWindow *window,
gdouble *axes,
GdkModifierType *mask)
{
g_return_if_fail (device != NULL);
g_return_if_fail (GDK_IS_WINDOW (window));
if (GDK_IS_CORE (device))
{
gint x_int, y_int;
gdk_window_get_pointer (window, &x_int, &y_int, mask);
if (axes)
{
axes[0] = x_int;
axes[1] = y_int;
}
}
else
{
GdkDevicePrivate *gdkdev;
GdkInputWindow *input_window;
gdkdev = (GdkDevicePrivate *)device;
/* For now just use the last known button and axis state of the device.
* Since graphical tablets send an insane amount of motion events each
* second, the info should be fairly up to date */
if (mask)
{
gdk_window_get_pointer (window, NULL, NULL, mask);
*mask &= 0xFF; /* Mask away core pointer buttons */
*mask |= ((gdkdev->button_state << 8)
& (GDK_BUTTON1_MASK | GDK_BUTTON2_MASK
| GDK_BUTTON3_MASK | GDK_BUTTON4_MASK
| GDK_BUTTON5_MASK));
}
input_window = _gdk_input_window_find (window);
g_return_if_fail (input_window != NULL);
/* For some reason, input_window is sometimes NULL when I use The GIMP 2
* (bug #141543?). Avoid crashing if debugging is disabled. */
if (axes && gdkdev->last_axis_data && input_window)
gdk_input_translate_coordinates (gdkdev, input_window,
gdkdev->last_axis_data,
axes, NULL, NULL);
}
}
void
_gdk_input_init (GdkDisplay *display)
{
_gdk_input_ignore_core = FALSE;
_gdk_input_devices = NULL;
_gdk_init_input_core (display);
#ifdef HAVE_WINTAB
#ifdef WINTAB_NO_LAZY_INIT
/* Normally, Wintab is only initialized when the application performs
* an action that requires it, such as enabling extended input events
* for a window or enumerating the devices.
*/
_gdk_input_wintab_init_check ();
#endif /* WINTAB_NO_LAZY_INIT */
#endif /* HAVE_WINTAB */
_gdk_input_devices = g_list_append (_gdk_input_devices, display->core_pointer);
}
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