Consolidate base utility libraries into libeutil.

Evolution consists of entirely too many small utility libraries, which
increases linking and loading time, places a burden on higher layers of
the application (e.g. modules) which has to remember to link to all the
small in-tree utility libraries, and makes it difficult to generate API
documentation for these utility libraries in one Gtk-Doc module.

Merge the following utility libraries under the umbrella of libeutil,
and enforce a single-include policy on libeutil so we can reorganize
the files as desired without disrupting its pseudo-public API.

   libemail-utils/libemail-utils.la
   libevolution-utils/libevolution-utils.la
   filter/libfilter.la
   widgets/e-timezone-dialog/libetimezonedialog.la
   widgets/menus/libmenus.la
   widgets/misc/libemiscwidgets.la
   widgets/table/libetable.la
   widgets/text/libetext.la

This also merges libedataserverui from the Evolution-Data-Server module,
since Evolution is its only consumer nowadays, and I'd like to make some
improvements to those APIs without concern for backward-compatibility.

And finally, start a Gtk-Doc module for libeutil.  It's going to be a
project just getting all the symbols _listed_ much less _documented_.
But the skeletal structure is in place and I'm off to a good start.

1 files changed, 222 insertions, 0 deletions

diff --git a/e-util/e-table-col.c b/e-util/e-table-col.c
new file mode 100644
index 0000000000..4e5e18a5b6
--- /dev/null
+++ b/e-util/e-table-col.c
@@ -0,0 +1,222 @@
+/*
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) version 3.
+ *
+ * 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with the program; if not, see <http://www.gnu.org/licenses/>
+ *
+ *
+ * Authors:
+ *		Miguel de Icaza <miguel@ximian.com>
+ *
+ * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <glib/gi18n.h>
+
+#include "e-table-col.h"
+
+G_DEFINE_TYPE (ETableCol, e_table_col, G_TYPE_OBJECT)
+
+enum {
+	PROP_0,
+	PROP_COMPARE_COL
+};
+
+static void
+etc_load_icon (ETableCol *etc)
+{
+	/* FIXME This ignores theme changes. */
+
+	GtkIconTheme *icon_theme;
+	gint width, height;
+	GError *error = NULL;
+
+	icon_theme = gtk_icon_theme_get_default ();
+	gtk_icon_size_lookup (GTK_ICON_SIZE_MENU, &width, &height);
+
+	etc->pixbuf = gtk_icon_theme_load_icon (
+		icon_theme, etc->icon_name, height, 0, &error);
+
+	if (error != NULL) {
+		g_warning ("%s", error->message);
+		g_error_free (error);
+	}
+}
+
+static void
+etc_dispose (GObject *object)
+{
+	ETableCol *etc = E_TABLE_COL (object);
+
+	if (etc->ecell)
+		g_object_unref (etc->ecell);
+	etc->ecell = NULL;
+
+	if (etc->pixbuf)
+		g_object_unref (etc->pixbuf);
+	etc->pixbuf = NULL;
+
+	g_free (etc->text);
+	etc->text = NULL;
+
+	g_free (etc->icon_name);
+	etc->icon_name = NULL;
+
+	/* Chain up to parent's dispose() method. */
+	G_OBJECT_CLASS (e_table_col_parent_class)->dispose (object);
+}
+
+static void
+etc_set_property (GObject *object,
+                  guint property_id,
+                  const GValue *value,
+                  GParamSpec *pspec)
+{
+	ETableCol *etc = E_TABLE_COL (object);
+
+	switch (property_id) {
+	case PROP_COMPARE_COL:
+		etc->compare_col = g_value_get_int (value);
+		break;
+	default:
+		break;
+	}
+}
+
+static void
+etc_get_property (GObject *object,
+                  guint property_id,
+                  GValue *value,
+                  GParamSpec *pspec)
+{
+	ETableCol *etc = E_TABLE_COL (object);
+
+	switch (property_id) {
+	case PROP_COMPARE_COL:
+		g_value_set_int (value, etc->compare_col);
+		break;
+	default:
+		G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+		break;
+	}
+}
+
+static void
+e_table_col_class_init (ETableColClass *class)
+{
+	GObjectClass *object_class = G_OBJECT_CLASS (class);
+
+	object_class->dispose = etc_dispose;
+	object_class->set_property = etc_set_property;
+	object_class->get_property = etc_get_property;
+
+	g_object_class_install_property (
+		object_class,
+		PROP_COMPARE_COL,
+		g_param_spec_int (
+			"compare_col",
+			"Width",
+			"Width",
+			0, G_MAXINT, 0,
+			G_PARAM_READWRITE));
+}
+
+static void
+e_table_col_init (ETableCol *etc)
+{
+	etc->width = 0;
+	etc->sortable = 1;
+	etc->groupable = 1;
+	etc->justification = GTK_JUSTIFY_LEFT;
+	etc->priority = 0;
+}
+
+/**
+ * e_table_col_new:
+ * @col_idx: the column we represent in the model
+ * @text: a title for this column
+ * @icon_name: name of the icon to be used for the header, or %NULL
+ * @expansion: FIXME
+ * @min_width: minimum width in pixels for this column
+ * @ecell: the renderer to be used for this column
+ * @compare: comparision function for the elements stored in this column
+ * @resizable: whether the column can be resized interactively by the user
+ * @priority: FIXME
+ *
+ * The ETableCol represents a column to be used inside an ETable.  The
+ * ETableCol objects are inserted inside an ETableHeader (which is just a
+ * collection of ETableCols).  The ETableHeader is the definition of the
+ * order in which columns are shown to the user.
+ *
+ * The @text argument is the the text that will be shown as a header to the
+ * user. @col_idx reflects where the data for this ETableCol object will
+ * be fetch from an ETableModel.  So even if the user changes the order
+ * of the columns being viewed (the ETableCols in the ETableHeader), the
+ * column will always point to the same column inside the ETableModel.
+ *
+ * The @ecell argument is an ECell object that needs to know how to
+ * render the data in the ETableModel for this specific row.
+ *
+ * Data passed to @compare can be (if not %NULL) a cmp_cache, which
+ * can be accessed by e_table_sorting_utils_add_to_cmp_cache() and
+ * e_table_sorting_utils_lookup_cmp_cache().
+ *
+ * Returns: the newly created ETableCol object.
+ */
+ETableCol *
+e_table_col_new (gint col_idx,
+                 const gchar *text,
+                 const gchar *icon_name,
+                 gdouble expansion,
+                 gint min_width,
+                 ECell *ecell,
+                 GCompareDataFunc compare,
+                 gboolean resizable,
+                 gboolean disabled,
+                 gint priority)
+{
+	ETableCol *etc;
+
+	g_return_val_if_fail (expansion >= 0, NULL);
+	g_return_val_if_fail (min_width >= 0, NULL);
+	g_return_val_if_fail (ecell != NULL, NULL);
+	g_return_val_if_fail (compare != NULL, NULL);
+	g_return_val_if_fail (text != NULL, NULL);
+
+	etc = g_object_new (E_TYPE_TABLE_COL, NULL);
+
+	etc->col_idx = col_idx;
+	etc->compare_col = col_idx;
+	etc->text = g_strdup (text);
+	etc->icon_name = g_strdup (icon_name);
+	etc->pixbuf = NULL;
+	etc->expansion = expansion;
+	etc->min_width = min_width;
+	etc->ecell = ecell;
+	etc->compare = compare;
+	etc->disabled = disabled;
+	etc->priority = priority;
+
+	etc->selected = 0;
+	etc->resizable = resizable;
+
+	g_object_ref (etc->ecell);
+
+	if (etc->icon_name != NULL)
+		etc_load_icon (etc);
+
+	return etc;
+}