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wacom: Reset the calibration before starting a new one

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We shouldn't be using the old calibration values to create the
new ones, so reset the "area" settings before starting a new
calibration, and re-apply the saved calibration if the calibration
is cancelled or fails.

https://bugzilla.gnome.org/show_bug.cgi?id=707784
This commit is contained in:
Bastien Nocera 2013-10-08 08:46:41 +02:00
parent 21a2a53fea
commit 6aa409ffdb
1 changed files with 39 additions and 34 deletions
Download patch file Download diff file Expand all files Collapse all files

73
panels/wacom/cc-wacom-page.c
View file

@ -192,6 +192,13 @@ finish_calibration (CalibArea *area,
display_width,
display_height,
cal, 4, priv->wacom_settings);
} else {
/* Reset the old values */
GVariant *old_calibration;
old_calibration = g_object_get_data (G_OBJECT (page), "old-calibration");
g_settings_set_value (page->priv->wacom_settings, "area", old_calibration);
g_object_set_data (G_OBJECT (page), "old-calibration", NULL);
}
calib_area_free (area);
@ -201,6 +208,7 @@ finish_calibration (CalibArea *area,
static gboolean
run_calibration (CcWacomPage *page,
GVariant *old_calibration,
gint *cal,
gint monitor)
{
@ -233,6 +241,11 @@ run_calibration (CcWacomPage *page,
THRESHOLD_MISCLICK,
THRESHOLD_DOUBLECLICK);
g_object_set_data_full (G_OBJECT (page),
"old-calibration",
old_calibration,
(GDestroyNotify) g_variant_unref);
return FALSE;
}
@ -240,11 +253,13 @@ static void
calibrate (CcWacomPage *page)
{
CcWacomPagePrivate *priv;
int i, calibration[4];
GVariant *variant;
int *current;
int i, *calibration;
GVariant *old_calibration, **tmp, *array;
gsize ncal;
gint monitor;
#ifdef FAKE_AREA
GdkScreen *screen;
#endif
priv = page->priv;
@ -257,49 +272,39 @@ calibrate (CcWacomPage *page)
return;
}
variant = g_settings_get_value (page->priv->wacom_settings, "area");
current = (int *) g_variant_get_fixed_array (variant, &ncal, sizeof (gint32));
old_calibration = g_settings_get_value (page->priv->wacom_settings, "area");
g_variant_get_fixed_array (old_calibration, &ncal, sizeof (gint32));
if (ncal != 4) {
g_warning("Device calibration property has wrong length. Got %"G_GSIZE_FORMAT" items; expected %d.\n", ncal, 4);
g_free (current);
return;
}
for (i = 0; i < 4; i++)
calibration[i] = current[i];
if (calibration[0] == -1 &&
calibration[1] == -1 &&
calibration[2] == -1 &&
calibration[3] == -1) {
gint *device_cal;
#ifdef FAKE_AREA
GdkScreen *screen;
screen = gdk_screen_get_default ();
/* Prepare the monitor attachment */
screen = gdk_screen_get_default ();
device_cal = g_new0 (int, 4);
device_cal[0] = 0;
device_cal[1] = gdk_screen_get_width (screen);
device_cal[2] = 0;
device_cal[3] = gdk_screen_get_height (screen);
calibration = g_new0 (int, 4);
calibration[0] = 0;
calibration[1] = gdk_screen_get_width (screen);
calibration[2] = 0;
calibration[3] = gdk_screen_get_height (screen);
#else
device_cal = gsd_wacom_device_get_area (page->priv->stylus);
if (device_cal == NULL) {
g_warning ("Failed to get device's area. "
"Not running calibration.");
return;
}
calibration = gsd_wacom_device_get_default_area (priv->stylus);
#endif /* FAKE_AREA */
for (i = 0; i < 4; i++)
calibration[i] = device_cal[i];
g_free (device_cal);
}
/* Reset the current values, to avoid old calibrations
* from interfering with the calibration */
tmp = g_malloc (ncal * sizeof (GVariant*));
for (i = 0; i < ncal; i++)
tmp[i] = g_variant_new_int32 (calibration[i]);
g_free (calibration);
run_calibration (page, calibration, monitor);
array = g_variant_new_array (G_VARIANT_TYPE_INT32, tmp, 4);
g_settings_set_value (page->priv->wacom_settings, "area", array);
g_free (tmp);
run_calibration (page, old_calibration, calibration, monitor);
gtk_widget_set_sensitive (WID ("button-calibrate"), FALSE);
}