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Revert "x11: Query pointer devices' scroll valuators on toplevel enter events"

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This reverts commit 77b8495bc4.

The commit broke more scenarios than fixed, better to go back to square one.
This commit is contained in:
Carlos Garnacho
2015-07-15 21:19:25 +02:00
parent 6504b2e534
commit 72bfb40ccf
3 changed files with 26 additions and 30 deletions
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39
gdk/x11/gdkdevice-xi2.c
View File

@ -40,6 +40,7 @@ struct _ScrollValuator
{
guint n_valuator : 4;
guint direction : 4;
guint last_value_valid : 1;
gdouble last_value;
gdouble increment;
};
@ -818,8 +819,8 @@ _gdk_x11_device_xi2_add_scroll_valuator (GdkX11DeviceXI2 *device,
scroll.n_valuator = n_valuator;
scroll.direction = direction;
scroll.last_value_valid = FALSE;
scroll.increment = increment;
scroll.last_value = 0;
g_array_append_val (device->scroll_valuators, scroll);
}
@ -850,10 +851,18 @@ _gdk_x11_device_xi2_get_scroll_delta (GdkX11DeviceXI2 *device,
if (delta_ret)
*delta_ret = 0;
if (delta_ret)
*delta_ret = (valuator_value - scroll->last_value) / scroll->increment;
if (scroll->last_value_valid)
{
if (delta_ret)
*delta_ret = (valuator_value - scroll->last_value) / scroll->increment;
scroll->last_value = valuator_value;
scroll->last_value = valuator_value;
}
else
{
scroll->last_value = valuator_value;
scroll->last_value_valid = TRUE;
}
return TRUE;
}
@ -863,33 +872,17 @@ _gdk_x11_device_xi2_get_scroll_delta (GdkX11DeviceXI2 *device,
}
void
_gdk_device_xi2_revalidate_scroll_valuators (GdkX11DeviceXI2 *device)
_gdk_device_xi2_reset_scroll_valuators (GdkX11DeviceXI2 *device)
{
GdkDisplay *display;
XIDeviceInfo *info;
gint i, ndevices;
display = gdk_device_get_display (GDK_DEVICE (device));
gdk_x11_display_error_trap_push (display);
info = XIQueryDevice (GDK_DISPLAY_XDISPLAY (display),
device->device_id, &ndevices);
gdk_x11_display_error_trap_pop_ignored (display);
if (!info)
return;
guint i;
for (i = 0; i < device->scroll_valuators->len; i++)
{
XIValuatorClassInfo *valuator;
ScrollValuator *scroll;
scroll = &g_array_index (device->scroll_valuators, ScrollValuator, i);
valuator = (XIValuatorClassInfo *) info->classes[scroll->n_valuator + 1];
scroll->last_value = valuator->value;
scroll->last_value_valid = FALSE;
}
XIFreeDeviceInfo (info);
}
void

15
gdk/x11/gdkdevicemanager-xi2.c
View File

@ -824,11 +824,13 @@ handle_device_changed (GdkX11DeviceManagerXI2 *device_manager,
XIDeviceChangedEvent *ev)
{
GdkDisplay *display;
GdkDevice *device;
GdkDevice *device, *source_device;
display = gdk_device_manager_get_display (GDK_DEVICE_MANAGER (device_manager));
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)
{
@ -839,6 +841,9 @@ handle_device_changed (GdkX11DeviceManagerXI2 *device_manager,
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 GdkCrossingMode
@ -1678,16 +1683,16 @@ gdk_x11_device_manager_xi2_translate_event (GdkEventTranslator *translator,
xev->detail != XINotifyInferior && xev->mode != XINotifyPassiveUngrab &&
gdk_window_get_window_type (window) == GDK_WINDOW_TOPLEVEL)
{
if (gdk_device_get_device_type (device) != GDK_DEVICE_TYPE_MASTER)
_gdk_device_xi2_revalidate_scroll_valuators (GDK_X11_DEVICE_XI2 (source_device));
if (gdk_device_get_device_type (source_device) != GDK_DEVICE_TYPE_MASTER)
_gdk_device_xi2_reset_scroll_valuators (GDK_X11_DEVICE_XI2 (source_device));
else
{
GList *slaves, *l;
slaves = gdk_device_list_slave_devices (device);
slaves = gdk_device_list_slave_devices (source_device);
for (l = slaves; l; l = l->next)
_gdk_device_xi2_revalidate_scroll_valuators (l->data);
_gdk_device_xi2_reset_scroll_valuators (GDK_X11_DEVICE_XI2 (l->data));
g_list_free (slaves);
}

2
gdk/x11/gdkprivate-x11.h
View File

@ -246,8 +246,6 @@ gboolean _gdk_x11_device_xi2_get_scroll_delta (GdkX11DeviceXI2 *device,
GdkScrollDirection *direction_ret,
gdouble *delta_ret);
void _gdk_device_xi2_reset_scroll_valuators (GdkX11DeviceXI2 *device);
void _gdk_device_xi2_revalidate_scroll_valuators (GdkX11DeviceXI2 *device);
gdouble gdk_x11_device_xi2_get_last_axis_value (GdkX11DeviceXI2 *device,
gint n_axis);