static void
gdk_device_wintab_get_state (GdkDevice *device,
GdkSurface *window,
gdouble *axes,
GdkModifierType *mask)
{
GdkDeviceWintab *device_wintab;
device_wintab = GDK_DEVICE_WINTAB (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)
{
*mask = get_current_mask ();
*mask &= 0xFF; /* Mask away core pointer buttons */
*mask |= ((device_wintab->button_state << 8)
& (GDK_BUTTON1_MASK | GDK_BUTTON2_MASK
| GDK_BUTTON3_MASK | GDK_BUTTON4_MASK
| GDK_BUTTON5_MASK));
}
if (axes && device_wintab->last_axis_data)
_gdk_device_wintab_translate_axes (device_wintab, window, axes, NULL, NULL);
}
gboolean
_gdk_input_other_event (GdkEvent *event,
MSG *msg,
GdkWindow *window)
{
GdkDisplay *display;
GdkDeviceWintab *device = NULL;
GdkDeviceGrabInfo *last_grab;
GdkEventMask masktest;
guint key_state;
POINT pt;
PACKET packet;
gdouble root_x, root_y;
gint num_axes;
gint x, y;
guint translated_buttons, button_diff, button_mask;
/* Translation from tablet button state to GDK button state for
* buttons 1-3 - swap button 2 and 3.
*/
static guint button_map[8] = {0, 1, 4, 5, 2, 3, 6, 7};
if (event->any.window != wintab_window)
{
g_warning ("_gdk_input_other_event: not wintab_window?");
return FALSE;
}
window = gdk_window_at_pointer (&x, &y);
if (window == NULL)
window = _gdk_root;
g_object_ref (window);
display = gdk_window_get_display (window);
GDK_NOTE (EVENTS_OR_INPUT,
g_print ("_gdk_input_other_event: window=%p %+d%+d\n",
GDK_WINDOW_HWND (window), x, y));
if (msg->message == WT_PACKET)
{
if (!(*p_WTPacket) ((HCTX) msg->lParam, msg->wParam, &packet))
return FALSE;
}
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 (_modal_operation_in_progress)
{
GDK_NOTE (EVENTS_OR_INPUT, g_print ("... ignored when moving/sizing\n"));
return FALSE;
}
if ((device = _gdk_device_manager_find_wintab_device ((HCTX) msg->lParam,
packet.pkCursor)) == NULL)
return FALSE;
if (gdk_device_get_mode (GDK_DEVICE (device)) == GDK_MODE_DISABLED)
return FALSE;
last_grab = _gdk_display_get_last_device_grab (_gdk_display, GDK_DEVICE (device));
if (last_grab && last_grab->window)
{
g_object_unref (window);
window = g_object_ref (last_grab->window);
}
if (window == _gdk_root)
{
GDK_NOTE (EVENTS_OR_INPUT, g_print ("... is root\n"));
return FALSE;
}
num_axes = 0;
if (device->pktdata & PK_X)
device->last_axis_data[num_axes++] = packet.pkX;
if (device->pktdata & PK_Y)
device->last_axis_data[num_axes++] = packet.pkY;
if (device->pktdata & PK_NORMAL_PRESSURE)
device->last_axis_data[num_axes++] = packet.pkNormalPressure;
if (device->pktdata & PK_ORIENTATION)
{
decode_tilt (device->last_axis_data + num_axes,
device->orientation_axes, &packet);
num_axes += 2;
}
translated_buttons = button_map[packet.pkButtons & 0x07] | (packet.pkButtons & ~0x07);
if (translated_buttons != device->button_state)
{
/* At least one button has changed state so produce a button event
* If more than one button has changed state (unlikely),
* just care about the first and act on the next the next time
* we get a packet
*/
button_diff = translated_buttons ^ device->button_state;
/* Gdk buttons are numbered 1.. */
event->button.button = 1;
for (button_mask = 1; button_mask != 0x80000000;
button_mask <<= 1, event->button.button++)
{
if (button_diff & button_mask)
{
/* Found a button that has changed state */
break;
}
}
if (!(translated_buttons & button_mask))
{
event->any.type = GDK_BUTTON_RELEASE;
masktest = GDK_BUTTON_RELEASE_MASK;
}
else
{
event->any.type = GDK_BUTTON_PRESS;
masktest = GDK_BUTTON_PRESS_MASK;
}
device->button_state ^= button_mask;
}
else
{
event->any.type = GDK_MOTION_NOTIFY;
masktest = GDK_POINTER_MOTION_MASK;
if (device->button_state & (1 << 0))
masktest |= GDK_BUTTON_MOTION_MASK | GDK_BUTTON1_MOTION_MASK;
if (device->button_state & (1 << 1))
masktest |= GDK_BUTTON_MOTION_MASK | GDK_BUTTON2_MOTION_MASK;
if (device->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.
*/
while (gdk_window_get_device_events (window, GDK_DEVICE (device)) == 0)
{
GDK_NOTE (EVENTS_OR_INPUT, g_print ("... not selected\n"));
if (window->parent == GDK_WINDOW (_gdk_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 (window->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 = window->parent;
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));
}
if (gdk_window_get_device_events (window, GDK_DEVICE (device)) == 0)
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);
gdk_event_set_device (event, GDK_DEVICE (device));
event->button.axes = g_new (gdouble, num_axes);
_gdk_device_wintab_get_window_coords (window, &root_x, &root_y);
_gdk_device_wintab_translate_axes (device,
window,
event->button.axes,
&event->button.x,
&event->button.y);
event->button.x_root = event->button.x + root_x;
event->button.y_root = event->button.y + root_y;
event->button.state =
key_state | ((device->button_state << 8)
& (GDK_BUTTON1_MASK | GDK_BUTTON2_MASK
| GDK_BUTTON3_MASK | GDK_BUTTON4_MASK
| GDK_BUTTON5_MASK));
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;
gdk_event_set_device (event, GDK_DEVICE (device));
event->motion.axes = g_new (gdouble, num_axes);
_gdk_device_wintab_get_window_coords (window, &root_x, &root_y);
_gdk_device_wintab_translate_axes (device,
window,
event->motion.axes,
&event->motion.x,
&event->motion.y);
event->motion.x_root = event->motion.x + root_x;
event->motion.y_root = event->motion.y + root_y;
event->motion.state =
key_state | ((device->button_state << 8)
& (GDK_BUTTON1_MASK | GDK_BUTTON2_MASK
| GDK_BUTTON3_MASK | GDK_BUTTON4_MASK
| GDK_BUTTON5_MASK));
GDK_NOTE (EVENTS_OR_INPUT,
g_print ("WINTAB motion: %g,%g\n",
event->motion.x, event->motion.y));
}
return TRUE;
case WT_PROXIMITY:
if (LOWORD (msg->lParam) == 0)
{
event->proximity.type = GDK_PROXIMITY_OUT;
set_ignore_core (FALSE);
}
else
{
event->proximity.type = GDK_PROXIMITY_IN;
set_ignore_core (TRUE);
}
event->proximity.time = _gdk_win32_get_next_tick (msg->time);
gdk_event_set_device (event, GDK_DEVICE (device));
GDK_NOTE (EVENTS_OR_INPUT,
g_print ("WINTAB proximity %s\n",
(event->proximity.type == GDK_PROXIMITY_IN ?
"in" : "out")));
return TRUE;
}
return FALSE;
}
