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Handle direction changes

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This commit is contained in:
Matthias Clasen
2016-05-25 22:17:48 -04:00
parent 0a06bb66db
commit 4e0c88a3d8
1 changed files with 53 additions and 15 deletions
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68
gtk/gtktabstrip.c
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@@ -47,6 +47,7 @@ typedef struct
gboolean closable;
gboolean scrollable;
gboolean in_child_changed;
gboolean reversed;
GtkWidget *scrolledwindow;
GtkWidget *tabs;
GtkWidget *start_scroll;
@@ -217,6 +218,43 @@ gtk_tab_strip_draw (GtkWidget *widget,
return FALSE;
}
static gboolean
gtk_tab_strip_get_orientation (GtkTabStrip *self)
{
GtkTabStripPrivate *priv = gtk_tab_strip_get_instance_private (self);
if (priv->edge == GTK_POS_TOP || priv->edge == GTK_POS_BOTTOM)
return GTK_ORIENTATION_HORIZONTAL;
else
return GTK_ORIENTATION_VERTICAL;
}
static void
update_node_ordering (GtkTabStrip *self)
{
GtkTabStripPrivate *priv = gtk_tab_strip_get_instance_private (self);
gboolean reverse;
reverse = gtk_tab_strip_get_orientation (self) == GTK_ORIENTATION_HORIZONTAL &&
gtk_widget_get_direction (GTK_WIDGET (self)) == GTK_TEXT_DIR_RTL;
if ((reverse && !priv->reversed) ||
(!reverse && priv->reversed))
{
gtk_box_gadget_reverse_children (GTK_BOX_GADGET (priv->gadget));
priv->reversed = reverse;
}
}
static void
gtk_tab_strip_direction_changed (GtkWidget *widget,
GtkTextDirection previous_direction)
{
update_node_ordering (GTK_TAB_STRIP (widget));
GTK_WIDGET_CLASS (gtk_tab_strip_parent_class)->direction_changed (widget, previous_direction);
}
static void
gtk_tab_strip_get_property (GObject *object,
guint prop_id,
@@ -311,6 +349,7 @@ gtk_tab_strip_class_init (GtkTabStripClass *klass)
widget_class->get_preferred_height_for_width = gtk_tab_strip_get_preferred_height_for_width;
widget_class->size_allocate = gtk_tab_strip_size_allocate;
widget_class->draw = gtk_tab_strip_draw;
widget_class->direction_changed = gtk_tab_strip_direction_changed;
container_class->add = gtk_tab_strip_add;
container_class->remove = gtk_tab_strip_remove;
@@ -354,17 +393,6 @@ gtk_tab_strip_class_init (GtkTabStripClass *klass)
gtk_widget_class_set_css_name (widget_class, "tabs");
}
static gboolean
gtk_tab_strip_get_orientation (GtkTabStrip *self)
{
GtkTabStripPrivate *priv = gtk_tab_strip_get_instance_private (self);
if (priv->edge == GTK_POS_TOP || priv->edge == GTK_POS_BOTTOM)
return GTK_ORIENTATION_HORIZONTAL;
else
return GTK_ORIENTATION_VERTICAL;
}
static void
update_scrolling (GtkTabStrip *self)
{
@@ -419,7 +447,8 @@ add_autoscroll (GtkTabStrip *self,
if (priv->autoscroll_id != 0)
return;
if (button == priv->start_scroll)
if ((button == priv->start_scroll && !priv->reversed) ||
(button == priv->end_scroll && priv->reversed))
priv->autoscroll_mode = GTK_SCROLL_STEP_BACKWARD;
else
priv->autoscroll_mode = GTK_SCROLL_STEP_FORWARD;
@@ -492,11 +521,18 @@ adjustment_changed (GtkTabStrip *self)
at_lower = value <= gtk_adjustment_get_lower (adj);
at_upper = value >= gtk_adjustment_get_upper (adj) - gtk_adjustment_get_page_size (adj);
gtk_widget_set_visible (priv->start_scroll, !(at_lower && at_upper));
gtk_widget_set_visible (priv->end_scroll, !(at_lower && at_upper));
gtk_widget_set_sensitive (priv->start_scroll, !at_lower);
gtk_widget_set_sensitive (priv->end_scroll, !at_upper);
if (priv->reversed)
{
gtk_widget_set_sensitive (priv->start_scroll, !at_upper);
gtk_widget_set_sensitive (priv->end_scroll, !at_lower);
}
else
{
gtk_widget_set_sensitive (priv->start_scroll, !at_lower);
gtk_widget_set_sensitive (priv->end_scroll, !at_upper);
}
}
static void
@@ -881,6 +917,8 @@ gtk_tab_strip_set_edge (GtkTabStrip *self,
gtk_container_foreach (GTK_CONTAINER (priv->tabs), update_edge, self);
update_node_ordering (self);
g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_EDGE]);
}