[gnome-calendar] year-view: initial GtkWidget::size_allocate impl

[Erick Pérez Castellanos <erickpc src gnome org>]

commit e57d9ca55e51ae60e7c0ed8c3afaf1cd373f998f
Author: Erick Pérez Castellanos <erick red gmail com>
Date:   Mon Dec 29 16:35:41 2014 -0500

    year-view: initial GtkWidget::size_allocate impl
    
    This impl uses internals structures from GcalSubscriber

 src/gcal-year-view.c |   55 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 55 insertions(+), 0 deletions(-)
---
diff --git a/src/gcal-year-view.c b/src/gcal-year-view.c
index 554407c..4322cf8 100644
--- a/src/gcal-year-view.c
+++ b/src/gcal-year-view.c
@@ -60,6 +60,14 @@ static gboolean       get_widget_parts                            (gint
                                                                    GArray          *cells,
                                                                    GArray          *lengths);
 
+static gboolean       get_widget_parts                            (gint             first_cell,
+                                                                   gint             last_cell,
+                                                                   gint             natural_height,
+                                                                   gdouble          vertical_cell_space,
+                                                                   gdouble         *size_left,
+                                                                   GArray          *cells,
+                                                                   GArray          *lengths);
+
 static void           gcal_view_interface_init                    (GcalViewIface  *iface);
 
 static void           gcal_year_view_set_property                 (GObject        *object,
@@ -168,6 +176,53 @@ get_widget_parts (gint     first_cell,
   return TRUE;
 }
 
+static gboolean
+get_widget_parts (gint     first_cell,
+                  gint     last_cell,
+                  gint     natural_height,
+                  gdouble  vertical_cell_space,
+                  gdouble *size_left,
+                  GArray  *cells,
+                  GArray  *lengths)
+{
+  gint i;
+  gint current_part_length;
+  gdouble y, old_y = - 1.0;
+
+  if (last_cell < first_cell)
+    {
+      gint swap = last_cell;
+      last_cell = first_cell;
+      first_cell = swap;
+    }
+
+  for (i = first_cell; i <= last_cell; i++)
+    {
+      if (size_left[i] < natural_height)
+        {
+          return FALSE;
+        }
+      else
+        {
+          y = vertical_cell_space - size_left[i];
+          if (y != old_y)
+            {
+              current_part_length = 1;
+              g_array_append_val (cells, i);
+              g_array_append_val (lengths, current_part_length);
+              old_y = y;
+            }
+          else
+            {
+              current_part_length++;
+              g_array_index (lengths, gint, lengths->len - 1) = current_part_length;
+            }
+        }
+    }
+
+  return TRUE;
+}
+
 static void
 gcal_year_view_class_init (GcalYearViewClass *klass)
 {