gui/model: Begin new custom tree model for queues

I'm not even going to try converting my C++ code.  Let's just start
fresh, and write unit tests as we build this up.

Signed-off-by: Anna Schumaker <Anna@OcarinaProject.net>

gui/model.c

@@ -0,0 +1,78 @@
+/*
+ * Copyright 2016 (c) Anna Schumaker.
+ */
+#include <gui/model.h>
+
+static const GTypeInfo queue_type_info;
+static const GInterfaceInfo queue_tree_model;
+static GObjectClass *parent_class = NULL;
+
+
+static void _queue_model_init(GuiQueueModel *model)
+{
+	model->gqm_stamp = g_random_int();
+}
+
+static void _queue_model_finalize(GObject *object)
+{
+	parent_class->finalize(object);
+}
+
+static void _queue_model_class_init(GuiQueueModelClass *class)
+{
+	GObjectClass *object_class;
+
+	parent_class = g_type_class_peek_parent(class);
+	object_class = (GObjectClass *)class;
+
+	object_class->finalize = _queue_model_finalize;
+}
+
+static void _queue_tree_model_init(GtkTreeModelIface *iface)
+{
+}
+
+
+GuiQueueModel *gui_queue_model_new()
+{
+	GuiQueueModel *model = g_object_new(GUI_QUEUE_MODEL_TYPE, NULL);
+
+	g_assert(model != NULL);
+	return model;
+}
+
+GType gui_queue_model_get_type()
+{
+	static GType queue_type = 0;
+
+	if (queue_type == 0) {
+		queue_type = g_type_register_static(G_TYPE_OBJECT,
+						    "GuiQueueModel",
+						    &queue_type_info,
+						    (GTypeFlags)0);
+		g_type_add_interface_static(queue_type,
+					    GTK_TYPE_TREE_MODEL,
+					    &queue_tree_model);
+	}
+
+	return queue_type;
+}
+
+
+static const GTypeInfo queue_type_info = {
+	.class_size     = sizeof(GuiQueueModelClass),
+	.base_init      = NULL,
+	.base_finalize  = NULL,
+	.class_init     = (GClassInitFunc)_queue_model_class_init,
+	.class_finalize = NULL,
+	.class_data     = NULL,
+	.instance_size  = sizeof(GuiQueueModel),
+	.n_preallocs    = 0,
+	.instance_init  = (GInstanceInitFunc)_queue_model_init,
+};
+
+static const GInterfaceInfo queue_tree_model = {
+	.interface_init     = (GInterfaceInitFunc)_queue_tree_model_init,
+	.interface_finalize = NULL,
+	.interface_data     = NULL,
+};

include/gui/model.h

@@ -0,0 +1,30 @@
+/*
+ * Copyright 2016 (c) Anna Schumaker.
+ */
+#ifndef OCARINA_GUI_MODEL_H
+#define OCARINA_GUI_MODEL_H
+#include <gtk/gtk.h>
+
+#define GUI_QUEUE_MODEL_TYPE (gui_queue_model_get_type())
+
+typedef struct _gui_queue_model       GuiQueueModel;
+typedef struct _gui_queue_model_class GuiQueueModelClass;
+
+struct _gui_queue_model {
+	GObject gqm_parent; /* This MUST be the first member.       */
+
+	gint    gqm_stamp;  /* This is used to check iter validity. */
+};
+
+struct _gui_queue_model_class {
+	GObjectClass parent_class;
+};
+
+
+/* Called to allocate a new GuiQueueModel */
+GuiQueueModel *gui_queue_model_new();
+
+/* Called to find the GType of the GuiQueueModel */
+GType gui_queue_model_get_type();
+
+#endif /* OCARINA_GUI_MODEL_H */

tests/gui/.gitignore

@@ -1,5 +1,6 @@
 builder
 settings
+model
 queue
 window
 sidebar

tests/gui/Sconscript

@@ -26,6 +26,7 @@ def GuiTest(name):
 env.UsePackage("gmodule-export-2.0")
 res += [ GuiTest("builder")    ]
 res += [ GuiTest("settings")   ]
+res += [ GuiTest("model")      ]
 res += [ GuiTest("queue")      ]
 res += [ GuiTest("window")     ]
 res += [ GuiTest("sidebar")    ]

tests/gui/model.c

@@ -0,0 +1,20 @@
+/*
+ * Copyright 2016 (c) Anna Schumaker.
+ */
+#include <gui/model.h>
+#include <tests/test.h>
+
+static void test_model()
+{
+	GuiQueueModel *model = gui_queue_model_new();
+
+	test_not_equal((void *)model, NULL);
+	test_equal(GTK_IS_TREE_MODEL(model), true);
+
+	g_object_unref(model);
+	test_equal(G_IS_OBJECT(model), false);
+}
+
+DECLARE_UNIT_TESTS(
+	UNIT_TEST("Queue Model", test_model),
+);