[gtk+/wip/baedert/drawing] sizerequest: Assert that min_size >= 0

[Timm Bäder <baedert src gnome org>]

commit 884f87e40ab1f02d5171a49099c13dc1b81a5a0a
Author: Timm Bäder <mail baedert org>
Date:   Sun Jun 4 20:13:26 2017 +0200

    sizerequest: Assert that min_size >= 0
    
    This should generally be true, so remove the checks from gtkbox.c and
    move it into gtksizerequest.c

 gtk/gtkbox.c         |   32 --------------------------------
 gtk/gtksizerequest.c |   11 +++++++++++
 2 files changed, 11 insertions(+), 32 deletions(-)
---
diff --git a/gtk/gtkbox.c b/gtk/gtkbox.c
index 312f535..d71aa48 100644
--- a/gtk/gtkbox.c
+++ b/gtk/gtkbox.c
@@ -433,24 +433,6 @@ gtk_box_size_allocate_no_center (GtkWidget           *widget,
                           &sizes[i].minimum_size, &sizes[i].natural_size,
                           NULL, NULL);
 
-      /* Assert the api is working properly */
-      if (sizes[i].minimum_size < 0)
-       g_error ("GtkBox child %s minimum %s: %d < 0 for %s %d",
-                gtk_widget_get_name (GTK_WIDGET (child->widget)),
-                (private->orientation == GTK_ORIENTATION_HORIZONTAL) ? "width" : "height",
-                sizes[i].minimum_size,
-                (private->orientation == GTK_ORIENTATION_HORIZONTAL) ? "height" : "width",
-                (private->orientation == GTK_ORIENTATION_HORIZONTAL) ? allocation->height : 
allocation->width);
-
-      if (sizes[i].natural_size < sizes[i].minimum_size)
-       g_error ("GtkBox child %s natural %s: %d < minimum %d for %s %d",
-                gtk_widget_get_name (GTK_WIDGET (child->widget)),
-                (private->orientation == GTK_ORIENTATION_HORIZONTAL) ? "width" : "height",
-                sizes[i].natural_size,
-                sizes[i].minimum_size,
-                (private->orientation == GTK_ORIENTATION_HORIZONTAL) ? "height" : "width",
-                (private->orientation == GTK_ORIENTATION_HORIZONTAL) ? allocation->height : 
allocation->width);
-
       children_minimum_size += sizes[i].minimum_size;
 
       sizes[i].data = child;
@@ -1117,20 +1099,6 @@ gtk_box_compute_size_for_opposing_orientation (GtkBox *box,
                               &sizes[i].minimum_size, &sizes[i].natural_size,
                               NULL, NULL);
 
-         /* Assert the api is working properly */
-         if (sizes[i].minimum_size < 0)
-           g_error ("GtkBox child %s minimum %s: %d < 0",
-                    gtk_widget_get_name (GTK_WIDGET (child->widget)),
-                    (private->orientation == GTK_ORIENTATION_HORIZONTAL) ? "width" : "height",
-                    sizes[i].minimum_size);
-
-         if (sizes[i].natural_size < sizes[i].minimum_size)
-           g_error ("GtkBox child %s natural %s: %d < minimum %d",
-                    gtk_widget_get_name (GTK_WIDGET (child->widget)),
-                    (private->orientation == GTK_ORIENTATION_HORIZONTAL) ? "width" : "height",
-                    sizes[i].natural_size,
-                    sizes[i].minimum_size);
-
           children_minimum_size += sizes[i].minimum_size;
 
          sizes[i].data = child;
diff --git a/gtk/gtksizerequest.c b/gtk/gtksizerequest.c
index 7505c8a..ea1b7c0 100644
--- a/gtk/gtksizerequest.c
+++ b/gtk/gtksizerequest.c
@@ -238,6 +238,17 @@ gtk_widget_query_size_for_orientation (GtkWidget        *widget,
                          G_OBJECT_TYPE_NAME (widget), widget, min_size, nat_size, for_size);
 
             }
+
+          nat_size = min_size;
+        }
+      else if (G_UNLIKELY (min_size < 0))
+        {
+          g_warning ("%s %p reported min %s %d, but sizes must be >= 0",
+                     G_OBJECT_TYPE_NAME (widget), widget,
+                     orientation == GTK_ORIENTATION_HORIZONTAL ? "width" : "height",
+                     min_size);
+          min_size = 0;
+          nat_size = MAX (0, min_size);
         }
 
       adjusted_min     = min_size;