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[broadway] Don't roundtrip for getting current pointer location

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Roundtrips are bad, and this gets called a lot, so we use all currently
availible future info to "emulate" a full roundtrip, but with much lower
cost.
This commit is contained in:
Alexander Larsson 2011-04-05 10:45:51 +02:00
parent a0048d5e70
commit 5b645357d6
1 changed files with 18 additions and 26 deletions
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44
gdk/broadway/gdkdevice-broadway.c
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@ -155,10 +155,7 @@ gdk_broadway_device_query_state (GdkDevice *device,
{ {
GdkDisplay *display; GdkDisplay *display;
GdkBroadwayDisplay *broadway_display; GdkBroadwayDisplay *broadway_display;
GdkWindowImplBroadway *impl;
guint32 serial;
GdkScreen *screen; GdkScreen *screen;
BroadwayInputMsg *reply;
gint device_root_x, device_root_y; gint device_root_x, device_root_y;
if (gdk_device_get_source (device) != GDK_SOURCE_MOUSE) if (gdk_device_get_source (device) != GDK_SOURCE_MOUSE)
@ -178,32 +175,27 @@ gdk_broadway_device_query_state (GdkDevice *device,
if (broadway_display->output) if (broadway_display->output)
{ {
impl = GDK_WINDOW_IMPL_BROADWAY (window->impl); _gdk_broadway_display_consume_all_input (display);
serial = broadway_output_query_pointer (broadway_display->output, impl->id); if (root_x)
*root_x = broadway_display->future_root_x;
reply = _gdk_broadway_display_block_for_input (display, 'q', serial, TRUE); if (root_y)
*root_y = broadway_display->future_root_y;
if (reply != NULL) /* TODO: Should really use future_x/y when we get configure events */
if (win_x)
*win_x = broadway_display->future_root_x - window->x;
if (win_y)
*win_y = broadway_display->future_root_y - window->y;
if (child_window)
{ {
if (root_x) if (gdk_window_get_window_type (window) == GDK_WINDOW_ROOT)
*root_x = reply->query_reply.root_x; *child_window =
if (root_y) g_hash_table_lookup (broadway_display->id_ht,
*root_y = reply->query_reply.root_y; GINT_TO_POINTER (broadway_display->future_mouse_in_toplevel));
if (win_x) else
*win_x = reply->query_reply.win_x; *child_window = window; /* No native children */
if (win_y)
*win_y = reply->query_reply.win_y;
if (child_window)
{
if (gdk_window_get_window_type (window) == GDK_WINDOW_ROOT)
*child_window = g_hash_table_lookup (broadway_display->id_ht, GINT_TO_POINTER (reply->query_reply.window_with_mouse));
else
*child_window = window; /* No native children */
}
g_free (reply);
return TRUE;
} }
return TRUE;
} }
/* Fallback when unconnected */ /* Fallback when unconnected */