1 files changed, 66 insertions, 0 deletions
diff --git a/src/contacts-max-width-bin.vala b/src/contacts-max-width-bin.vala
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+++ b/src/contacts-max-width-bin.vala
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+/*
+ * Copyright (C) 2011 Alexander Larsson <alexl@redhat.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/**
+ * The MaxWidthBin is a very basic helper class to restrict a given widget's
+ * width to a given maximum. Set the widget as the child of this Bin to
+ * restrict its width.
+ */
+public class Contacts.MaxWidthBin : Gtk.Bin {
+
+  public int max_width { get; set; }
+
+  public override void get_preferred_height (out int minimum_height, out int natural_height) {
+    var child = get_child ();
+    if (child != null) {
+      int min, nat;
+      child.get_preferred_height (out min, out nat);
+      minimum_height = min;
+      natural_height = nat;
+    } else {
+      minimum_height = -1;
+      natural_height = -1;
+    }
+  }
+
+  public override void get_preferred_width (out int minimum_width, out int natural_width) {
+    var child = get_child ();
+    if (child != null) {
+      int min, nat;
+      child.get_preferred_width (out min, out nat);
+      minimum_width = min;
+      natural_width = nat;
+    } else {
+      minimum_width = -1;
+      natural_width = -1;
+    }
+  }
+
+  public override void size_allocate (Gtk.Allocation allocation) {
+    Gtk.Allocation new_alloc;
+
+    set_allocation (allocation);
+    new_alloc = allocation;
+    if (allocation.width > this.max_width) {
+      new_alloc.width = this.max_width;
+      new_alloc.x = allocation.x;
+    }
+
+    var child = get_child ();
+    child.size_allocate (new_alloc);
+  }
+}