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91ed4f809f
gtk2/gdk/win32/gdkinput.c
Tor Lillqvist 91ed4f809f Some bug fixes and improvements to the Win32 GDK.
1999-03-07 22:25:54 +00:00

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/* GDK - The GIMP Drawing Kit
* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
* Copyright (C) 1999 Tor Lillqvist
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library 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 1997-1999. 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 "gdkx.h"
#include "gdkprivate.h"
#include "gdkinput.h"
#ifndef M_PI
#define M_PI 3.14159265358979323846
#endif
/* 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 TWOPI (2.*M_PI)
#define PING() g_print("%s: %d\n",__FILE__,__LINE__)
/* Forward declarations */
static gint gdk_input_win32_set_mode (guint32 deviceid,
GdkInputMode mode);
static void gdk_input_win32_get_pointer (GdkWindow *window,
guint32 deviceid,
gdouble *x,
gdouble *y,
gdouble *pressure,
gdouble *xtilt,
gdouble *ytilt,
GdkModifierType *mask);
static void gdk_input_none_get_pointer (GdkWindow *window,
guint32 deviceid,
gdouble *x,
gdouble *y,
gdouble *pressure,
gdouble *xtilt,
gdouble *ytilt,
GdkModifierType *mask);
static gint gdk_input_win32_grab_pointer (GdkWindow * window,
gint owner_events,
GdkEventMask event_mask,
GdkWindow *confine_to,
guint32 time);
static void gdk_input_win32_ungrab_pointer (guint32 time);
static void gdk_input_win32_configure_event (GdkEventConfigure *event,
GdkWindow *window);
static void gdk_input_win32_enter_event (GdkEventCrossing *xevent,
GdkWindow *window);
static gint gdk_input_win32_other_event (GdkEvent *event,
MSG *xevent);
static gint gdk_input_win32_enable_window (GdkWindow *window,
GdkDevicePrivate *gdkdev);
static gint gdk_input_win32_disable_window (GdkWindow *window,
GdkDevicePrivate *gdkdev);
static GdkInputWindow *gdk_input_window_find (GdkWindow *window);
static GdkInputWindow *gdk_input_window_find_within (GdkWindow *window);
static GdkDevicePrivate *gdk_input_find_device (guint32 deviceid);
static GdkDevicePrivate *gdk_input_find_dev_from_ctx (HCTX hctx,
UINT id);
/* Local variables */
static GList *gdk_input_devices;
static GList *gdk_input_windows;
static GList *wintab_contexts;
static gint gdk_input_root_width;
static gint gdk_input_root_height;
static GdkWindow *wintab_window;
static guint32 last_moved_cursor_id;
static GdkAxisUse gdk_input_core_axes[] = { GDK_AXIS_X, GDK_AXIS_Y };
static GdkDeviceInfo gdk_input_core_info =
{
GDK_CORE_POINTER,
"Core Pointer",
GDK_SOURCE_MOUSE,
GDK_MODE_SCREEN,
TRUE,
2,
gdk_input_core_axes
};
/* Global variables */
GdkInputVTable gdk_input_vtable;
gint gdk_input_ignore_core;
gint gdk_input_ignore_wintab = FALSE;
#if 0
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");
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",
lc->lcBtnDnMask, lc->lcBtnUpMask);
g_print ("lcInOrgX = %d, lcInOrgY = %d, lcInOrgZ = %d\n",
lc->lcInOrgX, lc->lcInOrgY, lc->lcInOrgZ);
g_print ("lcInExtX = %d, lcInExtY = %d, lcInExtZ = %d\n",
lc->lcInExtX, lc->lcInExtY, lc->lcInExtZ);
g_print ("lcOutOrgX = %d, lcOutOrgY = %d, lcOutOrgZ = %d\n",
lc->lcOutOrgX, lc->lcOutOrgY, lc->lcOutOrgZ);
g_print ("lcOutExtX = %d, lcOutExtY = %d, lcOutExtZ = %d\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_init (void)
{
GdkDevicePrivate *gdkdev;
GdkWindowPrivate *window_private;
GdkWindowAttr wa;
WORD specversion;
LOGCONTEXT defcontext;
HCTX *hctx;
UINT ndevices, ncursors, ncsrtypes, firstcsr, hardware;
AXIS axis_x, axis_y, axis_npressure, axis_orientation[3];
int i, j, k;
char devname[100], csrname[100];
guint32 deviceid_counter = 0;
gdk_input_devices = NULL;
wintab_contexts = NULL;
if (!gdk_input_ignore_wintab &&
WTInfo (0, 0, NULL))
{
WTInfo (WTI_INTERFACE, IFC_SPECVERSION, &specversion);
#if USE_SYSCONTEXT
WTInfo (WTI_DEFSYSCTX, 0, &defcontext);
#else
WTInfo (WTI_DEFCONTEXT, 0, &defcontext);
#endif
#if 0
g_print("DEFCONTEXT:\n"); print_lc(&defcontext);
#endif
WTInfo (WTI_INTERFACE, IFC_NDEVICES, &ndevices);
WTInfo (WTI_INTERFACE, IFC_NCURSORS, &ncursors);
/* 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_init: gdk_window_new failed");
return;
}
gdk_window_ref (wintab_window);
window_private = (GdkWindowPrivate *) wintab_window;
for (i = 0; i < ndevices; i++)
{
LOGCONTEXT lc;
WTInfo (WTI_DEVICES + i, DVC_NAME, devname);
WTInfo (WTI_DEVICES + i, DVC_NCSRTYPES, &ncsrtypes);
WTInfo (WTI_DEVICES + i, DVC_FIRSTCSR, &firstcsr);
WTInfo (WTI_DEVICES + i, DVC_HARDWARE, &hardware);
WTInfo (WTI_DEVICES + i, DVC_X, &axis_x);
WTInfo (WTI_DEVICES + i, DVC_Y, &axis_y);
WTInfo (WTI_DEVICES + i, DVC_NPRESSURE, &axis_npressure);
WTInfo (WTI_DEVICES + i, DVC_ORIENTATION, axis_orientation);
if (HIBYTE (specversion) > 1 || LOBYTE (specversion) >= 1)
{
WTInfo (WTI_DDCTXS + i, CTX_NAME, lc.lcName);
WTInfo (WTI_DDCTXS + i, CTX_OPTIONS, &lc.lcOptions);
lc.lcOptions |= CXO_MESSAGES;
lc.lcStatus = 0;
WTInfo (WTI_DDCTXS + i, CTX_LOCKS, &lc.lcLocks);
lc.lcMsgBase = WT_DEFBASE;
lc.lcDevice = i;
lc.lcPktRate = 20;
lc.lcPktData = PACKETDATA;
lc.lcPktMode = PK_BUTTONS; /* We want buttons in relative mode */
lc.lcMoveMask = PACKETDATA;
lc.lcBtnDnMask = lc.lcBtnUpMask = ~0;
WTInfo (WTI_DDCTXS + i, CTX_INORGX, &lc.lcInOrgX);
WTInfo (WTI_DDCTXS + i, CTX_INORGY, &lc.lcInOrgY);
WTInfo (WTI_DDCTXS + i, CTX_INORGZ, &lc.lcInOrgZ);
WTInfo (WTI_DDCTXS + i, CTX_INEXTX, &lc.lcInExtX);
WTInfo (WTI_DDCTXS + i, CTX_INEXTY, &lc.lcInExtY);
WTInfo (WTI_DDCTXS + i, 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 + i, CTX_SENSX, &lc.lcSensX);
WTInfo (WTI_DDCTXS + i, CTX_SENSY, &lc.lcSensY);
WTInfo (WTI_DDCTXS + i, CTX_SENSZ, &lc.lcSensZ);
WTInfo (WTI_DDCTXS + i, CTX_SYSMODE, &lc.lcSysMode);
lc.lcSysOrgX = lc.lcSysOrgY = 0;
WTInfo (WTI_DDCTXS + i, CTX_SYSEXTX, &lc.lcSysExtX);
WTInfo (WTI_DDCTXS + i, CTX_SYSEXTY, &lc.lcSysExtY);
WTInfo (WTI_DDCTXS + i, CTX_SYSSENSX, &lc.lcSysSensX);
WTInfo (WTI_DDCTXS + i, CTX_SYSSENSY, &lc.lcSysSensY);
}
else
{
lc = defcontext;
lc.lcOptions |= CXO_MESSAGES;
lc.lcMsgBase = WT_DEFBASE;
lc.lcPktRate = 20; /* Slow down the packets a bit */
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 0
g_print("context for device %d:\n", i); print_lc(&lc);
#endif
hctx = g_new (HCTX, 1);
if ((*hctx = WTOpen (window_private->xwindow, &lc, TRUE)) == NULL)
{
g_warning ("gdk_input_init: WTOpen failed");
return;
}
GDK_NOTE (MISC, g_print ("gdk_input_init: opened Wintab device %d %#x\n",
i, *hctx));
wintab_contexts = g_list_append (wintab_contexts, hctx);
#if 0
WTEnable (*hctx, TRUE);
#endif
WTOverlap (*hctx, TRUE);
#if 0
g_print("context for device %d after WTOpen:\n", i); print_lc(&lc);
#endif
for (j = firstcsr; j < firstcsr + ncsrtypes; j++)
{
gdkdev = g_new (GdkDevicePrivate, 1);
WTInfo (WTI_CURSORS + j, CSR_NAME, csrname);
gdkdev->info.name = g_strconcat (devname, " ", csrname, NULL);
gdkdev->info.deviceid = deviceid_counter++;
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 = j;
WTInfo (WTI_CURSORS + j, 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++;
if (gdkdev->pktdata & PK_ORIENTATION)
gdkdev->info.num_axes += 2; /* x and y tilt */
WTInfo (WTI_CURSORS + j, CSR_NPBTNMARKS, &gdkdev->npbtnmarks);
gdkdev->axes = g_new (GdkAxisInfo, gdkdev->info.num_axes);
gdkdev->info.axes = g_new (GdkAxisUse, gdkdev->info.num_axes);
gdkdev->last_axis_data = g_new (gint, gdkdev->info.num_axes);
for (k = 0; k < GDK_AXIS_LAST; k++)
gdkdev->axis_for_use[k] = -1;
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] = GDK_AXIS_X;
gdkdev->axis_for_use[GDK_AXIS_X] = k;
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] = GDK_AXIS_Y;
gdkdev->axis_for_use[GDK_AXIS_Y] = k;
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] = GDK_AXIS_PRESSURE;
gdkdev->axis_for_use[GDK_AXIS_PRESSURE] = k;
k++;
}
if (gdkdev->pktdata & PK_ORIENTATION)
{
GdkAxisUse axis;
gdkdev->orientation_axes[0] = axis_orientation[0];
gdkdev->orientation_axes[1] = axis_orientation[1];
for (axis = GDK_AXIS_XTILT; axis <= GDK_AXIS_YTILT; axis++)
{
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] = axis;
gdkdev->axis_for_use[axis] = k;
k++;
}
}
gdkdev->info.num_keys = 0;
gdkdev->info.keys = NULL;
GDK_NOTE (EVENTS,
g_print ("gdk_input_init: device: %d axes: %d\n",
gdkdev->info.deviceid,
gdkdev->info.num_axes));
gdk_input_devices = g_list_append (gdk_input_devices,
gdkdev);
}
}
gdk_input_vtable.set_mode = gdk_input_win32_set_mode;
gdk_input_vtable.set_axes = NULL;
gdk_input_vtable.set_key = NULL;
gdk_input_vtable.motion_events = NULL;
gdk_input_vtable.get_pointer = gdk_input_win32_get_pointer;
gdk_input_vtable.grab_pointer = gdk_input_win32_grab_pointer;
gdk_input_vtable.ungrab_pointer = gdk_input_win32_ungrab_pointer;
gdk_input_vtable.configure_event = gdk_input_win32_configure_event;
gdk_input_vtable.enter_event = gdk_input_win32_enter_event;
gdk_input_vtable.other_event = gdk_input_win32_other_event;
gdk_input_vtable.enable_window = gdk_input_win32_enable_window;
gdk_input_vtable.disable_window = gdk_input_win32_disable_window;
gdk_input_root_width = gdk_screen_width ();
gdk_input_root_height = gdk_screen_height ();
gdk_input_ignore_core = FALSE;
}
else
{
gdk_input_vtable.set_mode = NULL;
gdk_input_vtable.set_axes = NULL;
gdk_input_vtable.set_key = NULL;
gdk_input_vtable.motion_events = NULL;
gdk_input_vtable.get_pointer = gdk_input_none_get_pointer;
gdk_input_vtable.grab_pointer = NULL;
gdk_input_vtable.ungrab_pointer = NULL;
gdk_input_vtable.configure_event = NULL;
gdk_input_vtable.enter_event = NULL;
gdk_input_vtable.other_event = NULL;
gdk_input_vtable.enable_window = NULL;
gdk_input_vtable.disable_window = NULL;
gdk_input_ignore_core = FALSE;
}
gdk_input_devices = g_list_append (gdk_input_devices, &gdk_input_core_info);
}
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;
if (y_ret)
*y_ret = rect.top;
}
static void
gdk_input_translate_coordinates (GdkDevicePrivate *gdkdev,
GdkInputWindow *input_window,
gint *axis_data,
gdouble *x,
gdouble *y,
gdouble *pressure,
gdouble *xtilt,
gdouble *ytilt)
{
GdkWindowPrivate *window_private;
gint x_axis, y_axis, pressure_axis, xtilt_axis, ytilt_axis;
gdouble device_width, device_height;
gdouble x_offset, y_offset, x_scale, y_scale;
window_private = (GdkWindowPrivate *) input_window->window;
x_axis = gdkdev->axis_for_use[GDK_AXIS_X];
y_axis = gdkdev->axis_for_use[GDK_AXIS_Y];
pressure_axis = gdkdev->axis_for_use[GDK_AXIS_PRESSURE];
xtilt_axis = gdkdev->axis_for_use[GDK_AXIS_XTILT];
ytilt_axis = gdkdev->axis_for_use[GDK_AXIS_YTILT];
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)
{
x_scale = gdk_input_root_width / device_width;
y_scale = gdk_input_root_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 * window_private->width >= window_private->height)
{
/* device taller than window */
x_scale = window_private->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 -
window_private->height)/2;
}
else
{
/* window taller than device */
y_scale = window_private->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 - window_private->width)/2;
}
}
if (x)
*x = x_offset + x_scale*axis_data[x_axis];
if (y)
*y = y_offset + y_scale*axis_data[y_axis];
if (pressure)
{
if (pressure_axis != -1)
*pressure = ((double)axis_data[pressure_axis]
- gdkdev->axes[pressure_axis].min_value)
/ (gdkdev->axes[pressure_axis].max_value
- gdkdev->axes[pressure_axis].min_value);
else
*pressure = 0.5;
}
if (xtilt)
{
if (xtilt_axis != -1)
{
*xtilt = 2. * (double)(axis_data[xtilt_axis] -
(gdkdev->axes[xtilt_axis].min_value +
gdkdev->axes[xtilt_axis].max_value)/2) /
(gdkdev->axes[xtilt_axis].max_value -
gdkdev->axes[xtilt_axis].min_value);
}
else
*xtilt = 0;
}
if (ytilt)
{
if (ytilt_axis != -1)
{
*ytilt = 2. * (double)(axis_data[ytilt_axis] -
(gdkdev->axes[ytilt_axis].min_value +
gdkdev->axes[ytilt_axis].max_value)/2) /
(gdkdev->axes[ytilt_axis].max_value -
gdkdev->axes[ytilt_axis].min_value);
}
else
*ytilt = 0;
}
}
gint
gdk_input_set_mode (guint32 deviceid,
GdkInputMode mode)
{
if (deviceid == GDK_CORE_POINTER)
return FALSE;
if (gdk_input_vtable.set_mode)
return gdk_input_vtable.set_mode (deviceid, mode);
else
return FALSE;
}
void
gdk_input_set_axes (guint32 deviceid,
GdkAxisUse *axes)
{
int i;
GdkDevicePrivate *gdkdev = gdk_input_find_device (deviceid);
g_return_if_fail (gdkdev != NULL);
if (deviceid == GDK_CORE_POINTER)
return;
for (i = GDK_AXIS_IGNORE; i < GDK_AXIS_LAST; i++)
{
gdkdev->axis_for_use[i] = -1;
}
for (i = 0; i < gdkdev->info.num_axes; i++)
{
gdkdev->info.axes[i] = axes[i];
gdkdev->axis_for_use[axes[i]] = i;
}
}
static void
gdk_input_win32_get_pointer (GdkWindow *window,
guint32 deviceid,
gdouble *x,
gdouble *y,
gdouble *pressure,
gdouble *xtilt,
gdouble *ytilt,
GdkModifierType *mask)
{
GdkDevicePrivate *gdkdev;
GdkInputWindow *input_window;
gint x_int, y_int;
gint i;
if (deviceid == GDK_CORE_POINTER)
{
gdk_window_get_pointer (window, &x_int, &y_int, mask);
if (x)
*x = x_int;
if (y)
*y = y_int;
if (pressure)
*pressure = 0.5;
if (xtilt)
*xtilt = 0;
if (ytilt)
*ytilt = 0;
}
else
{
if (mask)
gdk_window_get_pointer (window, NULL, NULL, mask);
gdkdev = gdk_input_find_device (deviceid);
g_return_if_fail (gdkdev != NULL);
input_window = gdk_input_window_find (window);
g_return_if_fail (input_window != NULL);
gdk_input_translate_coordinates (gdkdev, input_window,
gdkdev->last_axis_data,
x, y, pressure,
xtilt, ytilt);
if (mask)
{
*mask &= 0xFF;
*mask |= ((gdkdev->last_buttons & 0x1F) << 8);
}
}
}
static void
gdk_input_none_get_pointer (GdkWindow *window,
guint32 deviceid,
gdouble *x,
gdouble *y,
gdouble *pressure,
gdouble *xtilt,
gdouble *ytilt,
GdkModifierType *mask)
{
gint x_int, y_int;
gdk_window_get_pointer (window, &x_int, &y_int, mask);
if (x)
*x = x_int;
if (y)
*y = y_int;
if (pressure)
*pressure = 0.5;
if (xtilt)
*xtilt = 0;
if (ytilt)
*ytilt = 0;
}
static gint
gdk_input_win32_set_mode (guint32 deviceid,
GdkInputMode mode)
{
GList *tmp_list;
GdkDevicePrivate *gdkdev;
GdkInputMode old_mode;
GdkInputWindow *input_window;
if (deviceid == GDK_CORE_POINTER)
return FALSE;
gdkdev = gdk_input_find_device (deviceid);
g_return_val_if_fail (gdkdev != NULL, FALSE);
old_mode = gdkdev->info.mode;
if (old_mode == mode)
return TRUE;
gdkdev->info.mode = mode;
if (mode == GDK_MODE_WINDOW)
{
gdkdev->info.has_cursor = FALSE;
for (tmp_list = gdk_input_windows; tmp_list; tmp_list = tmp_list->next)
{
input_window = (GdkInputWindow *)tmp_list->data;
if (input_window->mode != GDK_EXTENSION_EVENTS_CURSOR)
gdk_input_win32_enable_window (input_window->window, gdkdev);
else
if (old_mode != GDK_MODE_DISABLED)
gdk_input_win32_disable_window (input_window->window, gdkdev);
}
}
else if (mode == GDK_MODE_SCREEN)
{
gdkdev->info.has_cursor = TRUE;
for (tmp_list = gdk_input_windows; tmp_list; tmp_list = tmp_list->next)
gdk_input_win32_enable_window (((GdkInputWindow *)tmp_list->data)->window,
gdkdev);
}
else /* mode == GDK_MODE_DISABLED */
{
for (tmp_list = gdk_input_windows; tmp_list; tmp_list = tmp_list->next)
{
input_window = (GdkInputWindow *)tmp_list->data;
if (old_mode != GDK_MODE_WINDOW ||
input_window->mode != GDK_EXTENSION_EVENTS_CURSOR)
gdk_input_win32_disable_window (input_window->window, gdkdev);
}
}
return TRUE;
}
static void
gdk_input_win32_configure_event (GdkEventConfigure *event,
GdkWindow *window)
{
GdkInputWindow *input_window;
gint 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_XWINDOW (window),
&root_x, &root_y);
input_window->root_x = root_x;
input_window->root_y = root_y;
}
static void
gdk_input_win32_enter_event (GdkEventCrossing *event,
GdkWindow *window)
{
GdkInputWindow *input_window;
gint 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_XWINDOW (window),
&root_x, &root_y);
input_window->root_x = root_x;
input_window->root_y = root_y;
}
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;
}
static gint
gdk_input_win32_other_event (GdkEvent *event,
MSG *xevent)
{
GdkWindow *current_window;
GdkInputWindow *input_window;
GdkWindow *window;
GdkWindowPrivate *window_private;
GdkDevicePrivate *gdkdev;
GdkEventMask masktest;
POINT pt;
PACKET packet;
gint return_val;
gint k;
gint x, y;
if (event->any.window != wintab_window)
g_warning ("gdk_input_win32_other_event: not wintab_window?");
#if USE_SYSCONTEXT
window = gdk_window_at_pointer (&x, &y);
if (window == NULL)
window = (GdkWindow *) &gdk_root_parent;
gdk_window_ref (window);
window_private = (GdkWindowPrivate *) window;
GDK_NOTE (EVENTS, g_print ("gdk_input_win32_other_event: window=%#x (%d,%d)\n", window_private->xwindow, x, y));
#else
/* ??? This code is pretty bogus */
current_window = gdk_window_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 (xevent->message == WT_PACKET)
{
if (!WTPacket ((HCTX) xevent->lParam, xevent->wParam, &packet))
return FALSE;
}
switch (xevent->message)
{
case WT_PACKET:
if (window_private == &gdk_root_parent)
{
GDK_NOTE (EVENTS, g_print ("...is root\n"));
return FALSE;
}
if ((gdkdev = gdk_input_find_dev_from_ctx ((HCTX) xevent->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;
}
/* Now we can check if the window wants the event, and
* propagate if necessary.
*/
dijkstra:
if (!window_private->extension_events_selected
|| !(window_private->extension_events & masktest))
{
GDK_NOTE (EVENTS, g_print ("...not selected\n"));
if (window_private->parent == (GdkWindow *) &gdk_root_parent)
return FALSE;
pt.x = x;
pt.y = y;
ClientToScreen (window_private->xwindow, &pt);
gdk_window_unref (window);
window = window_private->parent;
gdk_window_ref (window);
window_private = (GdkWindowPrivate *) window;
ScreenToClient (window_private->xwindow, &pt);
x = pt.x;
y = pt.y;
GDK_NOTE (EVENTS, g_print ("...propagating to %#x, (%d,%d)\n", window_private->xwindow, 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;
if (event->any.type == GDK_BUTTON_PRESS
|| event->any.type == GDK_BUTTON_RELEASE)
{
event->button.time = xevent->time;
event->button.source = gdkdev->info.source;
last_moved_cursor_id =
event->button.deviceid = gdkdev->info.deviceid;
#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
gdk_input_translate_coordinates (gdkdev, input_window,
gdkdev->last_axis_data,
&event->button.x, &event->button.y,
&event->button.pressure,
&event->button.xtilt,
&event->button.ytilt);
event->button.state = ((gdkdev->button_state << 8)
& (GDK_BUTTON1_MASK | GDK_BUTTON2_MASK
| GDK_BUTTON3_MASK | GDK_BUTTON4_MASK
| GDK_BUTTON5_MASK));
GDK_NOTE (EVENTS, g_print ("WINTAB button %s: %d %d %g,%g %g\n",
(event->button.type == GDK_BUTTON_PRESS ?
"press" : "release"),
event->button.deviceid,
event->button.button,
event->button.x, event->button.y,
event->button.pressure));
}
else
{
event->motion.time = xevent->time;
last_moved_cursor_id =
event->motion.deviceid = gdkdev->info.deviceid;
event->motion.is_hint = FALSE;
event->motion.source = gdkdev->info.source;
gdk_input_translate_coordinates (gdkdev, input_window,
gdkdev->last_axis_data,
&event->motion.x, &event->motion.y,
&event->motion.pressure,
&event->motion.xtilt,
&event->motion.ytilt);
event->motion.state = ((gdkdev->button_state << 8)
& (GDK_BUTTON1_MASK | GDK_BUTTON2_MASK
| GDK_BUTTON3_MASK | GDK_BUTTON4_MASK
| GDK_BUTTON5_MASK));
GDK_NOTE (EVENTS, g_print ("WINTAB motion: %d %g,%g %g\n",
event->motion.deviceid,
event->motion.x, event->motion.y,
event->motion.pressure));
/* 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, 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));
event2->button.button = 1;
GDK_NOTE (EVENTS, g_print ("WINTAB synthesized button %s: %d %d %g,%g %g\n",
(event2->button.type == GDK_BUTTON_PRESS ?
"press" : "release"),
event2->button.deviceid,
event2->button.button,
event2->button.x, event2->button.y,
event2->button.pressure));
gdk_event_queue_append (event2);
}
}
return TRUE;
case WT_PROXIMITY:
if (LOWORD (xevent->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 = xevent->time;
event->proximity.source = GDK_SOURCE_PEN;
event->proximity.deviceid = last_moved_cursor_id;
GDK_NOTE (EVENTS, g_print ("WINTAB proximity %s: %d\n",
(event->proximity.type == GDK_PROXIMITY_IN ?
"in" : "out"),
event->proximity.deviceid));
return TRUE;
}
return FALSE;
}
static gint
gdk_input_win32_enable_window (GdkWindow *window,
GdkDevicePrivate *gdkdev)
{
GdkWindowPrivate *window_private = (GdkWindowPrivate *) window;
window_private->extension_events_selected = TRUE;
return TRUE;
}
static gint
gdk_input_win32_disable_window (GdkWindow *window,
GdkDevicePrivate *gdkdev)
{
GdkWindowPrivate *window_private = (GdkWindowPrivate *) window;
window_private->extension_events_selected = FALSE;
return TRUE;
}
static gint
gdk_input_win32_grab_pointer (GdkWindow *window,
gint owner_events,
GdkEventMask event_mask,
GdkWindow *confine_to,
guint32 time)
{
GdkInputWindow *input_window, *new_window;
gboolean need_ungrab;
GdkDevicePrivate *gdkdev;
GList *tmp_list;
gint result;
tmp_list = gdk_input_windows;
new_window = NULL;
need_ungrab = FALSE;
GDK_NOTE (MISC, g_print ("gdk_input_win32_grab_pointer: %#x %d %#x\n",
((GdkWindowPrivate *) window)->xwindow,
owner_events,
(confine_to ?
((GdkWindowPrivate *) confine_to)->xwindow :
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;
tmp_list = gdk_input_devices;
while (tmp_list)
{
gdkdev = (GdkDevicePrivate *)tmp_list->data;
if (gdkdev->info.deviceid != GDK_CORE_POINTER)
{
#if 0
gdk_input_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
{
tmp_list = gdk_input_devices;
while (tmp_list)
{
gdkdev = (GdkDevicePrivate *)tmp_list->data;
if (gdkdev->info.deviceid != GDK_CORE_POINTER &&
((gdkdev->button_state != 0) || need_ungrab))
{
#if 0
XUngrabDevice (gdk_display, gdkdev->xdevice, time);
#endif
gdkdev->button_state = 0;
}
tmp_list = tmp_list->next;
}
}
return Success;
}
static void
gdk_input_win32_ungrab_pointer (guint32 time)
{
GdkInputWindow *input_window;
GdkDevicePrivate *gdkdev;
GList *tmp_list;
GDK_NOTE (MISC, 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
if (gdkdev->info.deviceid != GDK_CORE_POINTER && gdkdev->xdevice)
XUngrabDevice (gdk_display, gdkdev->xdevice, time);
#endif
tmp_list = tmp_list->next;
}
}
}
GList *
gdk_input_list_devices (void)
{
return gdk_input_devices;
}
void
gdk_input_set_source (guint32 deviceid,
GdkInputSource source)
{
GdkDevicePrivate *gdkdev = gdk_input_find_device (deviceid);
g_return_if_fail (gdkdev != NULL);
gdkdev->info.source = source;
}
void gdk_input_set_key (guint32 deviceid,
guint index,
guint keyval,
GdkModifierType modifiers)
{
if (deviceid != GDK_CORE_POINTER && gdk_input_vtable.set_key)
gdk_input_vtable.set_key (deviceid, index, keyval, modifiers);
}
GdkTimeCoord *
gdk_input_motion_events (GdkWindow *window,
guint32 deviceid,
guint32 start,
guint32 stop,
gint *nevents_return)
{
GdkWindowPrivate *window_private;
GdkTimeCoord *coords;
int i;
g_return_val_if_fail (window != NULL, NULL);
window_private = (GdkWindowPrivate *) window;
if (window_private->destroyed)
return NULL;
*nevents_return = 0;
return NULL; /* ??? */
}
static GdkInputWindow *
gdk_input_window_find (GdkWindow *window)
{
GList *tmp_list;
for (tmp_list=gdk_input_windows; tmp_list; tmp_list=tmp_list->next)
if (((GdkInputWindow *)(tmp_list->data))->window == window)
return (GdkInputWindow *)(tmp_list->data);
return NULL; /* Not found */
}
static GdkInputWindow *
gdk_input_window_find_within (GdkWindow *window)
{
GList *tmp_list;
GdkWindowPrivate *window_private;
GdkWindowPrivate *tmp_private;
GdkInputWindow *candidate = NULL;
window_private = (GdkWindowPrivate *) window;
for (tmp_list=gdk_input_windows; tmp_list; tmp_list=tmp_list->next)
{
(GdkWindowPrivate *) tmp_private =
(GdkWindowPrivate *) (((GdkInputWindow *)(tmp_list->data))->window);
if (tmp_private == window_private
|| IsChild (window_private->xwindow, tmp_private->xwindow))
{
if (candidate)
return NULL; /* Multiple hits */
candidate = (GdkInputWindow *)(tmp_list->data);
}
}
return candidate;
}
/* FIXME: this routine currently needs to be called between creation
and the corresponding configure event (because it doesn't get the
root_relative_geometry). This should work with
gtk_window_set_extension_events, but will likely fail in other
cases */
void
gdk_input_set_extension_events (GdkWindow *window,
gint mask,
GdkExtensionMode mode)
{
GdkWindowPrivate *window_private;
GList *tmp_list;
GdkInputWindow *iw;
g_return_if_fail (window != NULL);
window_private = (GdkWindowPrivate *) window;
if (window_private->destroyed)
return;
if (mode == GDK_EXTENSION_EVENTS_NONE)
mask = 0;
if (mask != 0)
{
iw = g_new (GdkInputWindow,1);
iw->window = window;
iw->mode = mode;
iw->grabbed = FALSE;
gdk_input_windows = g_list_append (gdk_input_windows, iw);
window_private->extension_events = mask;
/* Add enter window events to the event mask */
gdk_window_set_events (window,
gdk_window_get_events (window) |
GDK_ENTER_NOTIFY_MASK);
}
else
{
iw = gdk_input_window_find (window);
if (iw)
{
gdk_input_windows = g_list_remove (gdk_input_windows, iw);
g_free (iw);
}
window_private->extension_events = 0;
}
for (tmp_list = gdk_input_devices; tmp_list; tmp_list = tmp_list->next)
{
GdkDevicePrivate *gdkdev = (GdkDevicePrivate *)(tmp_list->data);
if (gdkdev->info.deviceid != GDK_CORE_POINTER)
{
if (mask != 0 && gdkdev->info.mode != GDK_MODE_DISABLED
&& (gdkdev->info.has_cursor || mode == GDK_EXTENSION_EVENTS_ALL))
gdk_input_win32_enable_window (window, gdkdev);
else
gdk_input_win32_disable_window (window, gdkdev);
}
}
}
void
gdk_input_window_destroy (GdkWindow *window)
{
GdkInputWindow *input_window;
input_window = gdk_input_window_find (window);
g_return_if_fail (input_window != NULL);
gdk_input_windows = g_list_remove (gdk_input_windows,input_window);
g_free (input_window);
}
void
gdk_input_exit (void)
{
GList *tmp_list;
GdkDevicePrivate *gdkdev;
for (tmp_list = gdk_input_devices; tmp_list; tmp_list = tmp_list->next)
{
gdkdev = (GdkDevicePrivate *)(tmp_list->data);
if (gdkdev->info.deviceid != GDK_CORE_POINTER)
{
gdk_input_win32_set_mode (gdkdev->info.deviceid, GDK_MODE_DISABLED);
g_free (gdkdev->info.name);
g_free (gdkdev->last_axis_data);
g_free (gdkdev->info.axes);
g_free (gdkdev->info.keys);
g_free (gdkdev->axes);
g_free (gdkdev);
}
}
g_list_free (gdk_input_devices);
for (tmp_list = gdk_input_windows; tmp_list; tmp_list = tmp_list->next)
{
g_free (tmp_list->data);
}
g_list_free (gdk_input_windows);
#if 1
for (tmp_list = wintab_contexts; tmp_list; tmp_list = tmp_list->next)
{
HCTX *hctx = (HCTX *) tmp_list->data;
BOOL result;
/* For some reason WTEnable and/or WTClose tend to crash here.
* Protect with __try/__except to avoid a message box.
*/
__try {
#if 0
WTEnable (*hctx, FALSE);
#endif
result = WTClose (*hctx);
}
__except (/* GetExceptionCode() == EXCEPTION_ACCESS_VIOLATION ? */
EXCEPTION_EXECUTE_HANDLER /*:
EXCEPTION_CONTINUE_SEARCH */) {
result = FALSE;
}
if (!result)
g_warning ("gdk_input_exit: Closing Wintab context %#x failed", *hctx);
g_free (hctx);
}
#endif
g_list_free (wintab_contexts);
}
static GdkDevicePrivate *
gdk_input_find_device (guint32 id)
{
GList *tmp_list = gdk_input_devices;
GdkDevicePrivate *gdkdev;
while (tmp_list)
{
gdkdev = (GdkDevicePrivate *) (tmp_list->data);
if (gdkdev->info.deviceid == id)
return gdkdev;
tmp_list = tmp_list->next;
}
return NULL;
}
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;
}
void
gdk_input_window_get_pointer (GdkWindow *window,
guint32 deviceid,
gdouble *x,
gdouble *y,
gdouble *pressure,
gdouble *xtilt,
gdouble *ytilt,
GdkModifierType *mask)
{
if (gdk_input_vtable.get_pointer)
gdk_input_vtable.get_pointer (window, deviceid, x, y, pressure,
xtilt, ytilt, mask);
}
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