Add EosFlexyGrid

A layout manager for flexible grid layouts using the same algorithm of
the Discovery Center. The UI pattern is going to be used in the app
store and other native applications, so it makes sense to have this
widget in the SDK.

1 files changed, 204 insertions, 0 deletions

diff --git a/endless/eosflexygridcell.c b/endless/eosflexygridcell.c
new file mode 100644
index 0000000..4cc2627
--- /dev/null
+++ b/endless/eosflexygridcell.c
@@ -0,0 +1,204 @@
+/* Copyright 2013 Endless Mobile, Inc. */
+
+#include "config.h"
+
+#include "eosflexygrid-private.h"
+
+#include <glib-object.h>
+#include <gtk/gtk.h>
+
+EOS_DEFINE_ENUM_TYPE (EosFlexyShape, eos_flexy_shape,
+                      EOS_ENUM_VALUE (EOS_FLEXY_SHAPE_SMALL, small)
+                      EOS_ENUM_VALUE (EOS_FLEXY_SHAPE_MEDIUM_HORIZONTAL, medium-horizontal)
+                      EOS_ENUM_VALUE (EOS_FLEXY_SHAPE_MEDIUM_VERTICAL, medium-vertical)
+                      EOS_ENUM_VALUE (EOS_FLEXY_SHAPE_LARGE, large))
+
+typedef struct {
+  EosFlexyShape shape;
+
+  GSequenceIter *iter;
+
+  guint selected : 1;
+} EosFlexyGridCellPrivate;
+
+#if GLIB_CHECK_VERSION (2, 37, 5)
+
+# define EOS_FLEXY_GRID_CELL_GET_PRIV(obj) \
+  ((EosFlexyGridCellPrivate *) eos_flexy_grid_cell_get_instance_private ((EosFlexyGridCell *) (obj)))
+
+G_DEFINE_TYPE_WITH_PRIVATE (EosFlexyGridCell, eos_flexy_grid_cell, GTK_TYPE_BIN)
+
+#else
+
+# define EOS_FLEXY_GRID_CELL_GET_PRIV(obj) \
+  (G_TYPE_INSTANCE_GET_PRIVATE ((obj), EOS_TYPE_FLEXY_GRID_CELL, EosFlexyGridCellPrivate))
+
+G_DEFINE_TYPE (EosFlexyGridCell, eos_flexy_grid_cell, GTK_TYPE_BIN)
+
+#endif /* GLIB_CHECK_VERSION (2, 37, 5) */
+
+enum
+{
+  PROP_0,
+
+  PROP_SHAPE,
+
+  PROP_LAST
+};
+
+static GParamSpec *obj_props[PROP_LAST] = { NULL, };
+
+static void
+eos_flexy_grid_cell_set_property (GObject      *gobject,
+                                  guint         prop_id,
+                                  const GValue *value,
+                                  GParamSpec   *pspec)
+{
+  EosFlexyGridCell *self = EOS_FLEXY_GRID_CELL (gobject);
+
+  switch (prop_id)
+    {
+    case PROP_SHAPE:
+      eos_flexy_grid_cell_set_shape (self, g_value_get_enum (value));
+      break;
+
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (gobject, prop_id, pspec);
+    }
+}
+
+static void
+eos_flexy_grid_cell_get_property (GObject    *gobject,
+                                  guint       prop_id,
+                                  GValue     *value,
+                                  GParamSpec *pspec)
+{
+  EosFlexyGridCell *self = EOS_FLEXY_GRID_CELL (gobject);
+  EosFlexyGridCellPrivate *priv = self->priv;
+
+  switch (prop_id)
+    {
+    case PROP_SHAPE:
+      g_value_set_enum (value, priv->shape);
+      break;
+
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (gobject, prop_id, pspec);
+    }
+}
+
+static void
+eos_flexy_grid_cell_class_init (EosFlexyGridCellClass *klass)
+{
+#if !GLIB_CHECK_VERSION (2, 37, 6)
+  g_type_class_add_private (klass, sizeof (EosFlexyGridCellPrivate));
+#endif
+
+  GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
+  gobject_class->set_property = eos_flexy_grid_cell_set_property;
+  gobject_class->get_property = eos_flexy_grid_cell_get_property;
+
+  obj_props[PROP_SHAPE] =
+    g_param_spec_enum ("shape",
+                       "Shape",
+                       "The shape of the cell",
+                       EOS_TYPE_FLEXY_SHAPE,
+                       EOS_FLEXY_SHAPE_SMALL,
+                       G_PARAM_STATIC_STRINGS |
+                       G_PARAM_READWRITE);
+
+  g_object_class_install_properties (gobject_class, PROP_LAST, obj_props);
+}
+
+static void
+eos_flexy_grid_cell_init (EosFlexyGridCell *self)
+{
+  EosFlexyGridCellPrivate *priv = EOS_FLEXY_GRID_CELL_GET_PRIV (self);
+
+  priv->shape = EOS_FLEXY_SHAPE_SMALL;
+
+  self->priv = priv;
+
+  GtkStyleContext *context = gtk_widget_get_style_context (GTK_WIDGET (self));
+  gtk_style_context_add_class (context, EOS_STYLE_CLASS_FLEXY_GRID_CELL);
+}
+
+GtkWidget *
+eos_flexy_grid_cell_new (void)
+{
+  return g_object_new (EOS_TYPE_FLEXY_GRID_CELL, NULL);
+}
+
+void
+eos_flexy_grid_cell_set_shape (EosFlexyGridCell *cell,
+                               EosFlexyShape     shape)
+{
+  EosFlexyGridCellPrivate *priv;
+
+  g_return_if_fail (EOS_IS_FLEXY_GRID_CELL (cell));
+
+  priv = cell->priv;
+  if (priv->shape != shape)
+    {
+      priv->shape = shape;
+
+      g_object_notify_by_pspec (G_OBJECT (cell), obj_props[PROP_SHAPE]);
+    }
+}
+
+EosFlexyShape
+eos_flexy_grid_cell_get_shape (EosFlexyGridCell *cell)
+{
+  EosFlexyGridCellPrivate *priv;
+
+  g_return_val_if_fail (EOS_IS_FLEXY_GRID_CELL (cell), EOS_FLEXY_SHAPE_SMALL);
+
+  priv = cell->priv;
+
+  return priv->shape;
+}
+
+/*< private >*/
+void
+eos_flexy_grid_cell_set_iter (EosFlexyGridCell *cell,
+                              GSequenceIter    *iter)
+{
+  EosFlexyGridCellPrivate *priv = cell->priv;
+
+  priv->iter = iter;
+}
+
+/*< private >*/
+GSequenceIter *
+eos_flexy_grid_cell_get_iter (EosFlexyGridCell *cell)
+{
+  EosFlexyGridCellPrivate *priv = cell->priv;
+
+  return priv->iter;
+}
+
+/*< private >*/
+void
+eos_flexy_grid_cell_set_selected (EosFlexyGridCell *cell,
+                                  gboolean          selected)
+{
+  g_return_if_fail (EOS_IS_FLEXY_GRID_CELL (cell));
+
+  EosFlexyGridCellPrivate *priv = cell->priv;
+
+  selected = !!selected;
+  if (priv->selected != selected)
+    {
+      priv->selected = selected;
+    }
+}
+
+gboolean
+eos_flexy_grid_cell_get_selected (EosFlexyGridCell *cell)
+{
+  g_return_val_if_fail (EOS_IS_FLEXY_GRID_CELL (cell), FALSE);
+
+  EosFlexyGridCellPrivate *priv = cell->priv;
+
+  return priv->selected;
+}