/**
* gimp_number_pair_entry_set_aspect:
* @entry: A #GimpNumberPairEntry widget.
* @aspect: The new aspect.
*
* Sets the aspect of the ratio by swapping the left_number and
* right_number if necessary (or setting them to 1.0 in case that
* @aspect is %GIMP_ASPECT_SQUARE).
*
* Since: GIMP 2.4
**/
void
gimp_number_pair_entry_set_aspect (GimpNumberPairEntry *entry,
GimpAspectType aspect)
{
GimpNumberPairEntryPrivate *priv;
g_return_if_fail (GIMP_IS_NUMBER_PAIR_ENTRY (entry));
if (gimp_number_pair_entry_get_aspect (entry) == aspect)
return;
priv = GIMP_NUMBER_PAIR_ENTRY_GET_PRIVATE (entry);
switch (aspect)
{
case GIMP_ASPECT_SQUARE:
gimp_number_pair_entry_set_values (entry,
priv->left_number,
priv->left_number);
break;
case GIMP_ASPECT_LANDSCAPE:
case GIMP_ASPECT_PORTRAIT:
gimp_number_pair_entry_set_values (entry,
priv->right_number,
priv->left_number);
break;
}
}
/**
* gimp_number_pair_entry_set_ratio:
* @entry: A #GimpNumberPairEntry widget.
* @ratio: Ratio to set in the widget.
*
* Sets the numbers of the #GimpNumberPairEntry to have the desired
* ratio. If the new ratio is different than the previous ratio, the
* "ratio-changed" signal is emitted.
*
* An attempt is made to convert the decimal number into a fraction
* with left_number and right_number < 1000.
*
* Since: GIMP 2.4
**/
void
gimp_number_pair_entry_set_ratio (GimpNumberPairEntry *entry,
gdouble ratio)
{
gdouble numerator;
gdouble denominator;
g_return_if_fail (GIMP_IS_NUMBER_PAIR_ENTRY (entry));
gimp_number_pair_entry_ratio_to_fraction (ratio, &numerator, &denominator);
gimp_number_pair_entry_set_values (entry, numerator, denominator);
}
static WidgetInfo *
create_number_pair_entry (void)
{
GtkWidget *vbox;
GtkWidget *entry;
GtkWidget *align;
vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 6);
align = gtk_alignment_new (0.5, 0.5, 0.5, 0.0);
entry = gimp_number_pair_entry_new (":/", TRUE, 0.001, GIMP_MAX_IMAGE_SIZE);
gimp_number_pair_entry_set_values (GIMP_NUMBER_PAIR_ENTRY (entry), 4, 3);
gtk_container_add (GTK_CONTAINER (align), entry);
gtk_box_pack_start (GTK_BOX (vbox), align, TRUE, TRUE, 0);
gtk_box_pack_start (GTK_BOX (vbox),
gtk_label_new ("Number Pair Entry"), FALSE, FALSE, 0);
return new_widget_info ("gimp-widget-number-pair-entry", vbox, SMALL);
}
/**
* gimp_number_pair_entry_set_default_values:
* @entry: A #GimpNumberPairEntry widget.
* @left: Default left value in the entry.
* @right: Default right value in the entry.
*
* Since: GIMP 2.4
**/
void
gimp_number_pair_entry_set_default_values (GimpNumberPairEntry *entry,
gdouble left,
gdouble right)
{
GimpNumberPairEntryPrivate *priv;
g_return_if_fail (GIMP_IS_NUMBER_PAIR_ENTRY (entry));
priv = GIMP_NUMBER_PAIR_ENTRY_GET_PRIVATE (entry);
priv->default_left_number = left;
priv->default_right_number = right;
if (! priv->user_override)
{
gimp_number_pair_entry_set_values (entry,
priv->default_left_number,
priv->default_right_number);
}
}
static gboolean
gimp_number_pair_entry_events (GtkWidget *widget,
GdkEvent *event)
{
GimpNumberPairEntry *entry;
GimpNumberPairEntryPrivate *priv;
gboolean force_user_override;
entry = GIMP_NUMBER_PAIR_ENTRY (widget);
priv = GIMP_NUMBER_PAIR_ENTRY_GET_PRIVATE (entry);
force_user_override = FALSE;
switch (event->type)
{
case GDK_KEY_PRESS:
{
GdkEventKey *kevent = (GdkEventKey *) event;
if (kevent->keyval != GDK_Return &&
kevent->keyval != GDK_KP_Enter &&
kevent->keyval != GDK_ISO_Enter)
break;
/* If parsing was done due to widgets focus being lost, we only change
* to user-override mode if the values differ from the default ones. If
* Return was pressed however, we always switch to user-override mode.
*/
force_user_override = TRUE;
}
/* Fall through */
case GDK_FOCUS_CHANGE:
{
const gchar *text;
ParseResult parse_result;
gdouble left_value;
gdouble right_value;
text = gtk_entry_get_text (GTK_ENTRY (entry));
parse_result = gimp_number_pair_entry_parse_text (entry,
text,
&left_value,
&right_value);
switch (parse_result)
{
case PARSE_VALID:
{
if (priv->left_number != left_value ||
priv->right_number != right_value ||
force_user_override)
{
gimp_number_pair_entry_set_values (entry,
left_value,
right_value);
priv->user_override = TRUE;
g_object_notify (G_OBJECT (entry), "user-override");
}
}
break;
case PARSE_CLEAR:
gimp_number_pair_entry_set_values (entry,
priv->default_left_number,
priv->default_right_number);
priv->user_override = FALSE;
g_object_notify (G_OBJECT (entry), "user-override");
break;
default:
break;
}
/* Mak sure the entry text is up to date */
gimp_number_pair_entry_update_text (entry);
gtk_editable_set_position (GTK_EDITABLE (entry), -1);
}
break;
default:
break;
}
return FALSE;
}
static void
gimp_number_pair_entry_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec)
{
GimpNumberPairEntry *entry = GIMP_NUMBER_PAIR_ENTRY (object);
GimpNumberPairEntryPrivate *priv;
priv = GIMP_NUMBER_PAIR_ENTRY_GET_PRIVATE (entry);
switch (property_id)
{
case PROP_LEFT_NUMBER:
gimp_number_pair_entry_set_values (entry,
g_value_get_double (value),
priv->right_number);
break;
case PROP_RIGHT_NUMBER:
gimp_number_pair_entry_set_values (entry,
priv->left_number,
g_value_get_double (value));
break;
case PROP_DEFAULT_LEFT_NUMBER:
gimp_number_pair_entry_set_default_values (entry,
g_value_get_double (value),
priv->default_right_number);
break;
case PROP_DEFAULT_RIGHT_NUMBER:
gimp_number_pair_entry_set_default_values (entry,
priv->default_left_number,
g_value_get_double (value));
break;
case PROP_USER_OVERRIDE:
gimp_number_pair_entry_set_user_override (entry,
g_value_get_boolean (value));
break;
case PROP_SEPARATORS:
g_free (priv->separators);
priv->num_separators = 0;
if (g_value_get_string (value))
priv->separators = g_utf8_to_ucs4 (g_value_get_string (value), -1,
NULL, &priv->num_separators, NULL);
else
priv->separators = NULL;
break;
case PROP_DEFAULT_TEXT:
gimp_number_pair_entry_set_default_text (entry,
g_value_get_string (value));
break;
case PROP_ALLOW_SIMPLIFICATION:
priv->allow_simplification = g_value_get_boolean (value);
break;
case PROP_MIN_VALID_VALUE:
priv->min_valid_value = g_value_get_double (value);
break;
case PROP_MAX_VALID_VALUE:
priv->max_valid_value = g_value_get_double (value);
break;
case PROP_RATIO:
gimp_number_pair_entry_set_ratio (entry, g_value_get_double (value));
break;
case PROP_ASPECT:
gimp_number_pair_entry_set_aspect (entry, g_value_get_enum (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
