[gtk+] widget: Add get_width() and get_height()

[Timm Bäder <baedert src gnome org>]

commit 8f55647fbb8d522869e5f47e181a3894e778bcec
Author: Timm Bäder <mail baedert org>
Date:   Thu Nov 2 11:21:29 2017 +0100

    widget: Add get_width() and get_height()

 docs/reference/gtk/gtk4-sections.txt |    2 +
 gtk/gtkwidget.c                      |   64 ++++++++++++++++++++++++++++++++++
 gtk/gtkwidget.h                      |    5 +++
 3 files changed, 71 insertions(+), 0 deletions(-)
---
diff --git a/docs/reference/gtk/gtk4-sections.txt b/docs/reference/gtk/gtk4-sections.txt
index 4a933fd..60c29a6 100644
--- a/docs/reference/gtk/gtk4-sections.txt
+++ b/docs/reference/gtk/gtk4-sections.txt
@@ -4580,6 +4580,8 @@ gtk_widget_get_allocated_height
 gtk_widget_get_allocation
 gtk_widget_get_allocated_baseline
 gtk_widget_get_allocated_size
+gtk_widget_get_width
+gtk_widget_get_height
 gtk_widget_get_clip
 gtk_widget_contains
 gtk_widget_get_can_default
diff --git a/gtk/gtkwidget.c b/gtk/gtkwidget.c
index fda90dc..bdac230 100644
--- a/gtk/gtkwidget.c
+++ b/gtk/gtkwidget.c
@@ -15500,3 +15500,67 @@ gtk_widget_init_legacy_controller (GtkWidget *widget)
                           "gtk-widget-legacy-event-controller",
                           controller, g_object_unref);
 }
+
+/**
+ * gtk_widget_get_width:
+ * @widget: a #GtkWidget
+ *
+ * Returns the content width of the widget, as passed to its size-allocate implementation.
+ * This is the size you should be using in GtkWidgetClass.snapshot(). For pointer
+ * events, see gtk_widget_contains().
+ *
+ * Returns: The width of @widget
+ *
+ * Since: 3.94
+ */
+int
+gtk_widget_get_width (GtkWidget *widget)
+{
+  GtkWidgetPrivate *priv = gtk_widget_get_instance_private (widget);
+  GtkBorder margin, border, padding;
+  GtkCssStyle *style;
+
+  g_return_val_if_fail (GTK_IS_WIDGET (widget), 0);
+
+  style = gtk_css_node_get_style (priv->cssnode);
+  get_box_margin (style, &margin);
+  get_box_border (style, &border);
+  get_box_padding (style, &padding);
+
+  return priv->allocation.width -
+         margin.left  - margin.right -
+         border.left  - border.right -
+         padding.left - padding.right;
+}
+
+/**
+ * gtk_widget_get_height:
+ * @widget: a #GtkWidget
+ *
+ * Returns the content height of the widget, as passed to its size-allocate implementation.
+ * This is the size you should be using in GtkWidgetClass.snapshot(). For pointer
+ * events, see gtk_widget_contains().
+ *
+ * Returns: The height of @widget
+ *
+ * Since: 3.94
+ */
+int
+gtk_widget_get_height (GtkWidget *widget)
+{
+  GtkWidgetPrivate *priv = gtk_widget_get_instance_private (widget);
+  GtkBorder margin, border, padding;
+  GtkCssStyle *style;
+
+  g_return_val_if_fail (GTK_IS_WIDGET (widget), 0);
+
+  style = gtk_css_node_get_style (priv->cssnode);
+  get_box_margin (style, &margin);
+  get_box_border (style, &border);
+  get_box_padding (style, &padding);
+
+  return priv->allocation.height -
+         margin.top  - margin.bottom -
+         border.top  - border.bottom -
+         padding.top - padding.bottom;
+}
diff --git a/gtk/gtkwidget.h b/gtk/gtkwidget.h
index a8af148..243e80d 100644
--- a/gtk/gtkwidget.h
+++ b/gtk/gtkwidget.h
@@ -743,6 +743,11 @@ void                  gtk_widget_get_allocated_size     (GtkWidget     *widget,
 GDK_AVAILABLE_IN_ALL
 void                  gtk_widget_get_allocation         (GtkWidget     *widget,
                                                          GtkAllocation *allocation);
+GDK_AVAILABLE_IN_3_94
+int                   gtk_widget_get_width              (GtkWidget     *widget);
+GDK_AVAILABLE_IN_3_94
+int                   gtk_widget_get_height             (GtkWidget     *widget);
+
 GDK_AVAILABLE_IN_3_14
 void                  gtk_widget_get_clip               (GtkWidget     *widget,
                                                          GtkAllocation *clip);