[gtk/wip/otte/listview: 977/1040] widget: Add gtk_widget_get_size()

[Benjamin Otte <otte src gnome org>]

commit 7687ea3a901740349a95f229e593559a3abd82b2
Author: Benjamin Otte <otte redhat com>
Date:   Sat Oct 19 05:15:15 2019 +0200

    widget: Add gtk_widget_get_size()
    
    A little bit of convenience.

 docs/reference/gtk/gtk4-sections.txt |  1 +
 gtk/gtkwidget.c                      | 25 +++++++++++++++++++++++++
 gtk/gtkwidget.h                      |  3 +++
 3 files changed, 29 insertions(+)
---
diff --git a/docs/reference/gtk/gtk4-sections.txt b/docs/reference/gtk/gtk4-sections.txt
index c26452f0a0..ee6c93d1f3 100644
--- a/docs/reference/gtk/gtk4-sections.txt
+++ b/docs/reference/gtk/gtk4-sections.txt
@@ -4655,6 +4655,7 @@ gtk_widget_get_allocation
 gtk_widget_get_allocated_baseline
 gtk_widget_get_width
 gtk_widget_get_height
+gtk_widget_get_size
 gtk_widget_compute_bounds
 gtk_widget_compute_transform
 gtk_widget_compute_point
diff --git a/gtk/gtkwidget.c b/gtk/gtkwidget.c
index a900308120..9c4253bc3e 100644
--- a/gtk/gtkwidget.c
+++ b/gtk/gtkwidget.c
@@ -12822,6 +12822,31 @@ gtk_widget_get_height (GtkWidget *widget)
   return priv->height;
 }
 
+/**
+ * gtk_widget_get_size:
+ * @widget: a #GtkWidget
+ * @orientation: the orientation to query
+ *
+ * Returns the content width or height of the widget, depending on @orientation.
+ * This is equivalent to calling gtk_widget_get_width() for %GTK_ORIENTATION_HORIZONTAL
+ * or gtk_widget_get_height() for %GTK_ORIENTATION_VERTICAL, but can be used when
+ * writing orientation-independent code, such as when implementing #GtkOrientable
+ * widgets.
+ *
+ * Returns: The size of @widget in @orientation.
+ */
+int
+gtk_widget_get_size (GtkWidget      *widget,
+                     GtkOrientation  orientation)
+{
+  g_return_val_if_fail (GTK_IS_WIDGET (widget), 0);
+
+  if (orientation == GTK_ORIENTATION_HORIZONTAL)
+    return gtk_widget_get_width (widget);
+  else
+    return gtk_widget_get_height (widget);
+}
+
 /**
  * gtk_widget_class_set_layout_manager_type:
  * @widget_class: class to set the layout manager type for
diff --git a/gtk/gtkwidget.h b/gtk/gtkwidget.h
index bcde90db00..de1dd25145 100644
--- a/gtk/gtkwidget.h
+++ b/gtk/gtkwidget.h
@@ -529,6 +529,9 @@ GDK_AVAILABLE_IN_ALL
 int                   gtk_widget_get_width              (GtkWidget     *widget);
 GDK_AVAILABLE_IN_ALL
 int                   gtk_widget_get_height             (GtkWidget     *widget);
+GDK_AVAILABLE_IN_ALL
+int                   gtk_widget_get_size               (GtkWidget     *widget,
+                                                         GtkOrientation orientation);
 
 GDK_AVAILABLE_IN_ALL
 gboolean   gtk_widget_child_focus         (GtkWidget           *widget,