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range: add positional style classes to fill/highlight

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Requested by Lapo.
This commit is contained in:
Cosimo Cecchi 2016-03-04 11:56:08 -08:00
parent 832742e1f3
commit 7ff2f451ce
1 changed files with 78 additions and 14 deletions
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92
gtk/gtkrange.c
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@ -278,6 +278,8 @@ static gboolean gtk_range_key_press (GtkWidget *range,
GdkEventKey *event);
static void gtk_range_state_flags_changed (GtkWidget *widget,
GtkStateFlags previous_state);
static void gtk_range_direction_changed (GtkWidget *widget,
GtkTextDirection previous_direction);
static void gtk_range_measure_trough (GtkCssGadget *gadget,
GtkOrientation orientation,
gint for_size,
@ -352,6 +354,7 @@ gtk_range_class_init (GtkRangeClass *class)
widget_class->scroll_event = gtk_range_scroll_event;
widget_class->key_press_event = gtk_range_key_press;
widget_class->state_flags_changed = gtk_range_state_flags_changed;
widget_class->direction_changed = gtk_range_direction_changed;
class->move_slider = gtk_range_move_slider;
class->change_value = gtk_range_real_change_value;
@ -961,6 +964,60 @@ gtk_range_set_adjustment (GtkRange *range,
}
}
static gboolean
should_invert (GtkRange *range)
{
GtkRangePrivate *priv = range->priv;
if (priv->orientation == GTK_ORIENTATION_HORIZONTAL)
return
(priv->inverted && !priv->flippable) ||
(priv->inverted && priv->flippable && gtk_widget_get_direction (GTK_WIDGET (range)) == GTK_TEXT_DIR_LTR) ||
(!priv->inverted && priv->flippable && gtk_widget_get_direction (GTK_WIDGET (range)) == GTK_TEXT_DIR_RTL);
else
return priv->inverted;
}
static void
update_highlight_position (GtkRange *range)
{
GtkRangePrivate *priv = range->priv;
if (!priv->highlight_gadget)
return;
if (should_invert (range))
{
gtk_css_gadget_remove_class (priv->highlight_gadget, GTK_STYLE_CLASS_TOP);
gtk_css_gadget_add_class (priv->highlight_gadget, GTK_STYLE_CLASS_BOTTOM);
}
else
{
gtk_css_gadget_remove_class (priv->highlight_gadget, GTK_STYLE_CLASS_BOTTOM);
gtk_css_gadget_add_class (priv->highlight_gadget, GTK_STYLE_CLASS_TOP);
}
}
static void
update_fill_position (GtkRange *range)
{
GtkRangePrivate *priv = range->priv;
if (!priv->fill_gadget)
return;
if (should_invert (range))
{
gtk_css_gadget_remove_class (priv->fill_gadget, GTK_STYLE_CLASS_TOP);
gtk_css_gadget_add_class (priv->fill_gadget, GTK_STYLE_CLASS_BOTTOM);
}
else
{
gtk_css_gadget_remove_class (priv->fill_gadget, GTK_STYLE_CLASS_BOTTOM);
gtk_css_gadget_add_class (priv->fill_gadget, GTK_STYLE_CLASS_TOP);
}
}
static void
update_stepper_state (GtkRange *range,
Stepper stepper,
@ -1039,6 +1096,9 @@ gtk_range_set_inverted (GtkRange *range,
priv->inverted = setting;
update_steppers_state (range);
update_fill_position (range);
update_highlight_position (range);
gtk_widget_queue_resize (GTK_WIDGET (range));
g_object_notify_by_pspec (G_OBJECT (range), properties[PROP_INVERTED]);
@ -1088,6 +1148,8 @@ gtk_range_set_flippable (GtkRange *range,
if (flippable != priv->flippable)
{
priv->flippable = flippable;
update_fill_position (range);
update_highlight_position (range);
gtk_widget_queue_allocate (GTK_WIDGET (range));
}
@ -1565,6 +1627,8 @@ gtk_range_set_show_fill_level (GtkRange *range,
NULL, NULL);
gtk_css_gadget_set_state (priv->fill_gadget,
gtk_css_node_get_state (gtk_css_gadget_get_node (priv->trough_gadget)));
update_fill_position (range);
}
else
{
@ -1710,20 +1774,6 @@ gtk_range_get_fill_level (GtkRange *range)
return range->priv->fill_level;
}
static gboolean
should_invert (GtkRange *range)
{
GtkRangePrivate *priv = range->priv;
if (priv->orientation == GTK_ORIENTATION_HORIZONTAL)
return
(priv->inverted && !priv->flippable) ||
(priv->inverted && priv->flippable && gtk_widget_get_direction (GTK_WIDGET (range)) == GTK_TEXT_DIR_LTR) ||
(!priv->inverted && priv->flippable && gtk_widget_get_direction (GTK_WIDGET (range)) == GTK_TEXT_DIR_RTL);
else
return priv->inverted;
}
static void
gtk_range_destroy (GtkWidget *widget)
{
@ -2264,6 +2314,18 @@ update_trough_state (GtkRange *range)
gtk_css_gadget_set_state (priv->fill_gadget, state);
}
static void
gtk_range_direction_changed (GtkWidget *widget,
GtkTextDirection previous_direction)
{
GtkRange *range = GTK_RANGE (widget);
update_fill_position (range);
update_highlight_position (range);
GTK_WIDGET_CLASS (gtk_range_parent_class)->direction_changed (widget, previous_direction);
}
static void
gtk_range_state_flags_changed (GtkWidget *widget,
GtkStateFlags previous_state)
@ -3805,6 +3867,8 @@ _gtk_range_set_has_origin (GtkRange *range,
NULL, NULL);
gtk_css_gadget_set_state (priv->highlight_gadget,
gtk_css_node_get_state (gtk_css_gadget_get_node (priv->trough_gadget)));
update_highlight_position (range);
}
else
{