[gtk+/wip/csoriano/pathbar-bin-view-window] gtkrevealer: take into account min size of child

[Carlos Soriano Sánchez <csoriano src gnome org>]

commit 9e5ecf304e4db74d484bd355d35aaeb4ed6100f9
Author: Carlos Soriano <csoriano gnome org>
Date:   Wed Jun 15 18:22:32 2016 +0200

    gtkrevealer: take into account min size of child

 gtk/gtkrevealer.c |   22 ++++++++++++++++++----
 1 files changed, 18 insertions(+), 4 deletions(-)
---
diff --git a/gtk/gtkrevealer.c b/gtk/gtkrevealer.c
index b23f66a..c5994dd 100644
--- a/gtk/gtkrevealer.c
+++ b/gtk/gtkrevealer.c
@@ -310,6 +310,7 @@ gtk_revealer_get_child_allocation (GtkRevealer   *revealer,
   GtkWidget *child;
   GtkRevealerTransitionType transition;
   GtkBorder padding;
+  GtkAllocation child_min_allocation;
   gint vertical_padding, horizontal_padding;
 
   g_return_if_fail (revealer != NULL);
@@ -331,15 +332,28 @@ gtk_revealer_get_child_allocation (GtkRevealer   *revealer,
       transition = effective_transition (revealer);
       if (transition == GTK_REVEALER_TRANSITION_TYPE_SLIDE_LEFT ||
           transition == GTK_REVEALER_TRANSITION_TYPE_SLIDE_RIGHT)
-        gtk_widget_get_preferred_width_for_height (child, MAX (0, allocation->height - vertical_padding), 
NULL,
+        gtk_widget_get_preferred_width_for_height (child, MAX (0, allocation->height - vertical_padding),
+                                                   &child_min_allocation.width,
                                                    &child_allocation->width);
       else
-        gtk_widget_get_preferred_height_for_width (child, MAX (0, allocation->width - horizontal_padding), 
NULL,
+        gtk_widget_get_preferred_height_for_width (child, MAX (0, allocation->width - horizontal_padding),
+                                                   &child_min_allocation.height,
                                                    &child_allocation->height);
     }
 
-  child_allocation->width = MAX (child_allocation->width, allocation->width - horizontal_padding);
-  child_allocation->height = MAX (child_allocation->height, allocation->height - vertical_padding);
+    if (child_allocation->width > allocation->width - horizontal_padding)
+        child_allocation->width = CLAMP (allocation->width - horizontal_padding,
+                                         child_min_allocation.width,
+                                         child_allocation->width);
+    else
+        child_allocation->width = allocation->width - horizontal_padding;
+
+    if (child_allocation->height > allocation->height - vertical_padding)
+        child_allocation->height = CLAMP (allocation->height - vertical_padding,
+                                          child_min_allocation.height,
+                                          child_allocation->height);
+    else
+        child_allocation->height = allocation->height - vertical_padding;
 }
 
 static void