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[evolution/kill-bonobo] Add EPaned widget to generalize vertical view.

commit 0e1066b431b3d172c18b7be8744875942515e117
Author: Matthew Barnes <mbarnes redhat com>
Date:   Wed Aug 26 23:46:56 2009 -0400

    Add EPaned widget to generalize vertical view.

 modules/mail/e-mail-shell-content.c |  160 ++--------------
 modules/mail/e-mail-shell-content.h |    5 -
 widgets/misc/Makefile.am            |    2 +
 widgets/misc/e-paned.c              |  344 +++++++++++++++++++++++++++++++++++
 widgets/misc/e-paned.h              |   75 ++++++++
 5 files changed, 441 insertions(+), 145 deletions(-)
---
diff --git a/modules/mail/e-mail-shell-content.c b/modules/mail/e-mail-shell-content.c
index faa7447..9bea68f 100644
--- a/modules/mail/e-mail-shell-content.c
+++ b/modules/mail/e-mail-shell-content.c
@@ -25,9 +25,11 @@
 #include <camel/camel-store.h>
 #include <libedataserver/e-data-server-util.h>
 
+#include "e-util/e-binding.h"
 #include "e-util/gconf-bridge.h"
 #include "widgets/menus/gal-view-etable.h"
 #include "widgets/menus/gal-view-instance.h"
+#include "widgets/misc/e-paned.h"
 
 #include "em-search-context.h"
 #include "em-utils.h"
@@ -72,7 +74,6 @@ struct _EMailShellContentPrivate {
 
 enum {
 	PROP_0,
-	PROP_PREVIEW_SIZE,
 	PROP_PREVIEW_VISIBLE,
 	PROP_SHOW_DELETED,
 	PROP_VERTICAL_VIEW
@@ -82,12 +83,6 @@ static gpointer parent_class;
 static GType mail_shell_content_type;
 
 static void
-mail_shell_content_notify_preview_size (EMailShellContent *mail_shell_content)
-{
-	g_object_notify (G_OBJECT (mail_shell_content), "preview-size");
-}
-
-static void
 mail_shell_content_etree_unfreeze (MessageList *message_list,
                                    GdkEvent *event)
 {
@@ -323,12 +318,6 @@ mail_shell_content_set_property (GObject *object,
                                  GParamSpec *pspec)
 {
 	switch (property_id) {
-		case PROP_PREVIEW_SIZE:
-			e_mail_shell_content_set_preview_size (
-				E_MAIL_SHELL_CONTENT (object),
-				g_value_get_int (value));
-			return;
-
 		case PROP_PREVIEW_VISIBLE:
 			e_mail_shell_content_set_preview_visible (
 				E_MAIL_SHELL_CONTENT (object),
@@ -358,13 +347,6 @@ mail_shell_content_get_property (GObject *object,
                                  GParamSpec *pspec)
 {
 	switch (property_id) {
-		case PROP_PREVIEW_SIZE:
-			g_value_set_int (
-				value,
-				e_mail_shell_content_get_preview_size (
-				E_MAIL_SHELL_CONTENT (object)));
-			return;
-
 		case PROP_PREVIEW_VISIBLE:
 			g_value_set_boolean (
 				value,
@@ -384,6 +366,7 @@ mail_shell_content_get_property (GObject *object,
 				value,
 				e_mail_shell_content_get_vertical_view (
 				E_MAIL_SHELL_CONTENT (object)));
+			return;
 	}
 
 	G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
@@ -460,15 +443,14 @@ mail_shell_content_constructed (GObject *object)
 
 	container = GTK_WIDGET (object);
 
-	widget = gtk_vpaned_new ();
+	widget = e_paned_new (GTK_ORIENTATION_VERTICAL);
 	gtk_container_add (GTK_CONTAINER (container), widget);
 	priv->paned = g_object_ref (widget);
 	gtk_widget_show (widget);
 
-	g_signal_connect_swapped (
-		widget, "notify::position",
-		G_CALLBACK (mail_shell_content_notify_preview_size),
-		shell_content);
+	e_binding_new (
+		G_OBJECT (object), "vertical-view",
+		G_OBJECT (widget), "vertical-view");
 
 	container = widget;
 
@@ -512,6 +494,14 @@ mail_shell_content_constructed (GObject *object)
 
 	bridge = gconf_bridge_get ();
 
+	object = G_OBJECT (priv->paned);
+	key = "/apps/evolution/mail/display/hpaned_size";
+	gconf_bridge_bind_property (bridge, key, object, "hposition");
+
+	object = G_OBJECT (priv->paned);
+	key = "/apps/evolution/mail/display/paned_size";
+	gconf_bridge_bind_property (bridge, key, object, "vposition");
+
 	object = G_OBJECT (shell_content);
 	key = "/apps/evolution/mail/display/show_deleted";
 	gconf_bridge_bind_property (bridge, key, object, "show-deleted");
@@ -527,33 +517,6 @@ mail_shell_content_constructed (GObject *object)
 		shell_content);
 }
 
-static void
-mail_shell_content_size_allocate (GtkWidget *widget,
-                                  GtkAllocation *allocation)
-{
-	EMailShellContentPrivate *priv;
-	GConfBridge *bridge;
-	const gchar *key;
-
-	priv = E_MAIL_SHELL_CONTENT_GET_PRIVATE (widget);
-
-	/* Chain up to parent's size_allocate() method. */
-	GTK_WIDGET_CLASS (parent_class)->size_allocate (widget, allocation);
-
-	if (priv->paned_binding_id > 0)
-		return;
-
-	bridge = gconf_bridge_get ();
-
-	if (priv->vertical_view)
-		key = "/apps/evolution/mail/display/hpaned_size";
-	else
-		key = "/apps/evolution/mail/display/paned_size";
-
-	priv->paned_binding_id = gconf_bridge_bind_property_delayed (
-		bridge, key, G_OBJECT (widget), "preview-size");
-}
-
 static guint32
 mail_shell_content_check_state (EShellContent *shell_content)
 {
@@ -690,7 +653,6 @@ static void
 mail_shell_content_class_init (EMailShellContentClass *class)
 {
 	GObjectClass *object_class;
-	GtkWidgetClass *widget_class;
 	EShellContentClass *shell_content_class;
 
 	parent_class = g_type_class_peek_parent (class);
@@ -702,27 +664,12 @@ mail_shell_content_class_init (EMailShellContentClass *class)
 	object_class->dispose = mail_shell_content_dispose;
 	object_class->constructed = mail_shell_content_constructed;
 
-	widget_class = GTK_WIDGET_CLASS (class);
-	widget_class->size_allocate = mail_shell_content_size_allocate;
-
 	shell_content_class = E_SHELL_CONTENT_CLASS (class);
 	shell_content_class->new_search_context = em_search_context_new;
 	shell_content_class->check_state = mail_shell_content_check_state;
 
 	g_object_class_install_property (
 		object_class,
-		PROP_PREVIEW_SIZE,
-		g_param_spec_int (
-			"preview-size",
-			_("Preview Size"),
-			_("Size of the preview pane in pixels"),
-			G_MININT,
-			G_MAXINT,
-			100,
-			G_PARAM_READWRITE));
-
-	g_object_class_install_property (
-		object_class,
 		PROP_PREVIEW_VISIBLE,
 		g_param_spec_boolean (
 			"preview-visible",
@@ -823,53 +770,6 @@ e_mail_shell_content_new (EShellView *shell_view)
 		"shell-view", shell_view, NULL);
 }
 
-gint
-e_mail_shell_content_get_preview_size (EMailShellContent *mail_shell_content)
-{
-	GtkOrientable *orientable;
-	GtkOrientation orientation;
-	gint allocation;
-	gint position;
-
-	g_return_val_if_fail (
-		E_IS_MAIL_SHELL_CONTENT (mail_shell_content), 0);
-
-	orientable = GTK_ORIENTABLE (mail_shell_content->priv->paned);
-	orientation = gtk_orientable_get_orientation (orientable);
-
-	if (orientation == GTK_ORIENTATION_HORIZONTAL)
-		allocation = GTK_WIDGET (orientable)->allocation.width;
-	else
-		allocation = GTK_WIDGET (orientable)->allocation.height;
-
-	position = gtk_paned_get_position (GTK_PANED (orientable));
-
-	return MAX (0, allocation - position);
-}
-
-void
-e_mail_shell_content_set_preview_size (EMailShellContent *mail_shell_content,
-                                       gint preview_size)
-{
-	GtkOrientable *orientable;
-	GtkOrientation orientation;
-	gint allocation;
-	gint position;
-
-	g_return_if_fail (E_IS_MAIL_SHELL_CONTENT (mail_shell_content));
-
-	orientable = GTK_ORIENTABLE (mail_shell_content->priv->paned);
-	orientation = gtk_orientable_get_orientation (orientable);
-
-	if (orientation == GTK_ORIENTATION_HORIZONTAL)
-		allocation = GTK_WIDGET (orientable)->allocation.width;
-	else
-		allocation = GTK_WIDGET (orientable)->allocation.height;
-
-	position = MAX (0, allocation - preview_size);
-	gtk_paned_set_position (GTK_PANED (orientable), position);
-}
-
 gboolean
 e_mail_shell_content_get_preview_visible (EMailShellContent *mail_shell_content)
 {
@@ -949,34 +849,13 @@ void
 e_mail_shell_content_set_vertical_view (EMailShellContent *mail_shell_content,
                                         gboolean vertical_view)
 {
-	GtkOrientable *orientable;
-	GtkOrientation orientation;
-	GConfBridge *bridge;
-	guint binding_id;
-
 	g_return_if_fail (E_IS_MAIL_SHELL_CONTENT (mail_shell_content));
 
-	bridge = gconf_bridge_get ();
-	binding_id = mail_shell_content->priv->paned_binding_id;
-
-	if (binding_id > 0) {
-		gconf_bridge_unbind (bridge, binding_id);
-		mail_shell_content->priv->paned_binding_id = 0;
-	}
-
-	if (vertical_view)
-		orientation = GTK_ORIENTATION_HORIZONTAL;
-	else
-		orientation = GTK_ORIENTATION_VERTICAL;
-
-	orientable = GTK_ORIENTABLE (mail_shell_content->priv->paned);
-	gtk_orientable_set_orientation (orientable, orientation);
-
 	mail_shell_content->priv->vertical_view = vertical_view;
 
-	e_mail_shell_content_update_view_instance (mail_shell_content);
-
 	g_object_notify (G_OBJECT (mail_shell_content), "vertical-view");
+
+	e_mail_shell_content_update_view_instance (mail_shell_content);
 }
 
 GalViewInstance *
@@ -1015,6 +894,7 @@ e_mail_shell_content_set_search_strings (EMailShellContent *mail_shell_content,
 void
 e_mail_shell_content_update_view_instance (EMailShellContent *mail_shell_content)
 {
+	EPaned *paned;
 	EMailReader *reader;
 	EShellContent *shell_content;
 	EShellView *shell_view;
@@ -1052,8 +932,8 @@ e_mail_shell_content_update_view_instance (EMailShellContent *mail_shell_content
 	view_instance = e_shell_view_new_view_instance (shell_view, view_id);
 	mail_shell_content->priv->view_instance = view_instance;
 
-	show_vertical_view =
-		e_mail_shell_content_get_vertical_view (mail_shell_content);
+	paned = E_PANED (mail_shell_content->priv->paned);
+	show_vertical_view = e_paned_get_vertical_view (paned);
 
 	if (show_vertical_view) {
 		gchar *filename;
diff --git a/modules/mail/e-mail-shell-content.h b/modules/mail/e-mail-shell-content.h
index 48a0f9e..57d2438 100644
--- a/modules/mail/e-mail-shell-content.h
+++ b/modules/mail/e-mail-shell-content.h
@@ -65,11 +65,6 @@ GType		e_mail_shell_content_get_type	(void);
 void		e_mail_shell_content_register_type
 					(GTypeModule *type_module);
 GtkWidget *	e_mail_shell_content_new(EShellView *shell_view);
-gint		e_mail_shell_content_get_preview_size
-					(EMailShellContent *mail_shell_content);
-void		e_mail_shell_content_set_preview_size
-					(EMailShellContent *mail_shell_content,
-					 gint preview_size);
 gboolean	e_mail_shell_content_get_preview_visible
 					(EMailShellContent *mail_shell_content);
 void		e_mail_shell_content_set_preview_visible
diff --git a/widgets/misc/Makefile.am b/widgets/misc/Makefile.am
index ebd5562..2960775 100644
--- a/widgets/misc/Makefile.am
+++ b/widgets/misc/Makefile.am
@@ -67,6 +67,7 @@ widgetsinclude_HEADERS =			\
 	e-map.h					\
 	e-menu-tool-button.h			\
 	e-online-button.h			\
+	e-paned.h				\
 	e-popup-action.h			\
 	e-popup-menu.h				\
 	e-preferences-window.h			\
@@ -130,6 +131,7 @@ libemiscwidgets_la_SOURCES =			\
 	e-map.c					\
 	e-menu-tool-button.c			\
 	e-online-button.c			\
+	e-paned.c				\
 	e-popup-action.c			\
 	e-popup-menu.c				\
 	e-preferences-window.c			\
diff --git a/widgets/misc/e-paned.c b/widgets/misc/e-paned.c
new file mode 100644
index 0000000..3500424
--- /dev/null
+++ b/widgets/misc/e-paned.c
@@ -0,0 +1,344 @@
+/*
+ * e-paned.c
+ *
+ * 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/>
+ *
+ *
+ * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
+ *
+ */
+
+#include "e-paned.h"
+
+#include <config.h>
+#include <glib/gi18n-lib.h>
+
+#define E_PANED_GET_PRIVATE(obj) \
+	(G_TYPE_INSTANCE_GET_PRIVATE \
+	((obj), E_TYPE_PANED, EPanedPrivate))
+
+struct _EPanedPrivate {
+	gint hposition;
+	gint vposition;
+
+	guint sync_position	: 1;
+};
+
+enum {
+	PROP_0,
+	PROP_HPOSITION,
+	PROP_VPOSITION,
+	PROP_VERTICAL_VIEW
+};
+
+static gpointer parent_class;
+
+static void
+paned_notify_orientation_cb (EPaned *paned)
+{
+	paned->priv->sync_position = TRUE;
+	gtk_widget_queue_resize (GTK_WIDGET (paned));
+
+	g_object_notify (G_OBJECT (paned), "vertical-view");
+}
+
+static void
+paned_notify_position_cb (EPaned *paned)
+{
+	GtkAllocation *allocation;
+	gint position;
+
+	if (paned->priv->sync_position)
+		return;
+
+	allocation = &GTK_WIDGET (paned)->allocation;
+	position = gtk_paned_get_position (GTK_PANED (paned));
+
+	if (e_paned_get_vertical_view (paned)) {
+		position = MAX (0, allocation->width - position);
+		e_paned_set_hposition (paned, position);
+	} else {
+		position = MAX (0, allocation->height - position);
+		e_paned_set_vposition (paned, position);
+	}
+}
+
+static void
+paned_set_property (GObject *object,
+                    guint property_id,
+                    const GValue *value,
+                    GParamSpec *pspec)
+{
+	switch (property_id) {
+		case PROP_HPOSITION:
+			e_paned_set_hposition (
+				E_PANED (object),
+				g_value_get_int (value));
+			return;
+
+		case PROP_VPOSITION:
+			e_paned_set_vposition (
+				E_PANED (object),
+				g_value_get_int (value));
+			return;
+
+		case PROP_VERTICAL_VIEW:
+			e_paned_set_vertical_view (
+				E_PANED (object),
+				g_value_get_boolean (value));
+			return;
+	}
+
+	G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+}
+
+static void
+paned_get_property (GObject *object,
+                    guint property_id,
+                    GValue *value,
+                    GParamSpec *pspec)
+{
+	switch (property_id) {
+		case PROP_HPOSITION:
+			g_value_set_int (
+				value, e_paned_get_hposition (
+				E_PANED (object)));
+			return;
+
+		case PROP_VPOSITION:
+			g_value_set_int (
+				value, e_paned_get_vposition (
+				E_PANED (object)));
+			return;
+
+		case PROP_VERTICAL_VIEW:
+			g_value_set_boolean (
+				value, e_paned_get_vertical_view (
+				E_PANED (object)));
+			return;
+	}
+
+	G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+}
+
+static void
+paned_size_allocate (GtkWidget *widget,
+                     GtkAllocation *allocation)
+{
+	EPaned *paned = E_PANED (widget);
+	gint allocated;
+	gint position;
+
+	/* Chain up to parent's size_allocate() method. */
+	GTK_WIDGET_CLASS (parent_class)->size_allocate (widget, allocation);
+
+	if (!paned->priv->sync_position)
+		return;
+
+	if (e_paned_get_vertical_view (paned)) {
+		allocated = allocation->width;
+		position = e_paned_get_hposition (paned);
+	} else {
+		allocated = allocation->height;
+		position = e_paned_get_vposition (paned);
+	}
+
+	position = MAX (0, allocated - position);
+	gtk_paned_set_position (GTK_PANED (paned), position);
+
+	paned->priv->sync_position = FALSE;
+}
+
+static void
+paned_class_init (EPanedClass *class)
+{
+	GObjectClass *object_class;
+	GtkWidgetClass *widget_class;
+
+	parent_class = g_type_class_peek_parent (class);
+	g_type_class_add_private (class, sizeof (EPanedPrivate));
+
+	object_class = G_OBJECT_CLASS (class);
+	object_class->set_property = paned_set_property;
+	object_class->get_property = paned_get_property;
+
+	widget_class = GTK_WIDGET_CLASS (class);
+	widget_class->size_allocate = paned_size_allocate;
+
+	g_object_class_install_property (
+		object_class,
+		PROP_HPOSITION,
+		g_param_spec_int (
+			"hposition",
+			_("Horizontal Position"),
+			_("Pane position when oriented horizontally"),
+			G_MININT,
+			G_MAXINT,
+			0,
+			G_PARAM_READWRITE));
+
+	g_object_class_install_property (
+		object_class,
+		PROP_VPOSITION,
+		g_param_spec_int (
+			"vposition",
+			_("Vertical Position"),
+			_("Pane position when oriented vertically"),
+			G_MININT,
+			G_MAXINT,
+			0,
+			G_PARAM_READWRITE));
+
+	g_object_class_install_property (
+		object_class,
+		PROP_VERTICAL_VIEW,
+		g_param_spec_boolean (
+			"vertical-view",
+			_("Vertical View"),
+			_("Whether vertical view is enabled"),
+			FALSE,
+			G_PARAM_READWRITE));
+}
+
+static void
+paned_init (EPaned *paned)
+{
+	paned->priv = E_PANED_GET_PRIVATE (paned);
+
+	g_signal_connect (
+		paned, "notify::orientation",
+		G_CALLBACK (paned_notify_orientation_cb), NULL);
+
+	g_signal_connect (
+		paned, "notify::position",
+		G_CALLBACK (paned_notify_position_cb), NULL);
+}
+
+GType
+e_paned_get_type (void)
+{
+	static GType type = 0;
+
+	if (G_UNLIKELY (type == 0)) {
+		static const GTypeInfo type_info = {
+			sizeof (EPanedClass),
+			(GBaseInitFunc) NULL,
+			(GBaseFinalizeFunc) NULL,
+			(GClassInitFunc) paned_class_init,
+			(GClassFinalizeFunc) NULL,
+			NULL,  /* class_data */
+			sizeof (EPaned),
+			0,     /* n_preallocs */
+			(GInstanceInitFunc) paned_init,
+			NULL   /* value_table */
+		};
+
+		type = g_type_register_static (
+			GTK_TYPE_PANED, "EPaned", &type_info, 0);
+	}
+
+	return type;
+}
+
+GtkWidget *
+e_paned_new (GtkOrientation orientation)
+{
+	return g_object_new (E_TYPE_PANED, "orientation", orientation, NULL);
+}
+
+gint
+e_paned_get_hposition (EPaned *paned)
+{
+	g_return_val_if_fail (E_IS_PANED (paned), 0);
+
+	return paned->priv->hposition;
+}
+
+void
+e_paned_set_hposition (EPaned *paned,
+                       gint hposition)
+{
+	g_return_if_fail (E_IS_PANED (paned));
+
+	if (hposition == paned->priv->hposition)
+		return;
+
+	paned->priv->hposition = hposition;
+
+	g_object_notify (G_OBJECT (paned), "hposition");
+
+	if (e_paned_get_vertical_view (paned)) {
+		paned->priv->sync_position = TRUE;
+		gtk_widget_queue_resize (GTK_WIDGET (paned));
+	}
+}
+
+gint
+e_paned_get_vposition (EPaned *paned)
+{
+	g_return_val_if_fail (E_IS_PANED (paned), 0);
+
+	return paned->priv->vposition;
+}
+
+void
+e_paned_set_vposition (EPaned *paned,
+                       gint vposition)
+{
+	g_return_if_fail (E_IS_PANED (paned));
+
+	if (vposition == paned->priv->vposition)
+		return;
+
+	paned->priv->vposition = vposition;
+
+	g_object_notify (G_OBJECT (paned), "vposition");
+
+	if (!e_paned_get_vertical_view (paned)) {
+		paned->priv->sync_position = TRUE;
+		gtk_widget_queue_resize (GTK_WIDGET (paned));
+	}
+}
+
+gboolean
+e_paned_get_vertical_view (EPaned *paned)
+{
+	GtkOrientable *orientable;
+	GtkOrientation orientation;
+
+	g_return_val_if_fail (E_IS_PANED (paned), FALSE);
+
+	orientable = GTK_ORIENTABLE (paned);
+	orientation = gtk_orientable_get_orientation (orientable);
+
+	return (orientation == GTK_ORIENTATION_HORIZONTAL);
+}
+
+void
+e_paned_set_vertical_view (EPaned *paned,
+                           gboolean vertical_view)
+{
+	GtkOrientable *orientable;
+	GtkOrientation orientation;
+
+	g_return_if_fail (E_IS_PANED (paned));
+
+	if (vertical_view)
+		orientation = GTK_ORIENTATION_HORIZONTAL;
+	else
+		orientation = GTK_ORIENTATION_VERTICAL;
+
+	orientable = GTK_ORIENTABLE (paned);
+	gtk_orientable_set_orientation (orientable, orientation);
+}
diff --git a/widgets/misc/e-paned.h b/widgets/misc/e-paned.h
new file mode 100644
index 0000000..ea37cba
--- /dev/null
+++ b/widgets/misc/e-paned.h
@@ -0,0 +1,75 @@
+/*
+ * e-paned.h
+ *
+ * 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/>
+ *
+ *
+ * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
+ *
+ */
+
+#ifndef E_PANED_H
+#define E_PANED_H
+
+#include <gtk/gtk.h>
+
+/* Standard GObject macros */
+#define E_TYPE_PANED \
+	(e_paned_get_type ())
+#define E_PANED(obj) \
+	(G_TYPE_CHECK_INSTANCE_CAST \
+	((obj), E_TYPE_PANED, EPaned))
+#define E_PANED_CLASS(cls) \
+	(G_TYPE_CHECK_CLASS_CAST \
+	((cls), E_TYPE_PANED, EPanedClass))
+#define E_IS_PANED(obj) \
+	(G_TYPE_CHECK_INSTANCE_TYPE \
+	((obj), E_TYPE_PANED))
+#define E_IS_PANED_CLASS(cls) \
+	(G_TYPE_CHECK_CLASS_TYPE \
+	((cls), E_TYPE_PANED))
+#define E_PANED_GET_CLASS(obj) \
+	(G_TYPE_INSTANCE_GET_CLASS \
+	((obj), E_TYPE_PANED, EPanedClass))
+
+G_BEGIN_DECLS
+
+typedef struct _EPaned EPaned;
+typedef struct _EPanedClass EPanedClass;
+typedef struct _EPanedPrivate EPanedPrivate;
+
+struct _EPaned {
+	GtkPaned parent;
+	EPanedPrivate *priv;
+};
+
+struct _EPanedClass {
+	GtkPanedClass parent_class;
+};
+
+GType		e_paned_get_type		(void);
+GtkWidget *	e_paned_new			(GtkOrientation orientation);
+gint		e_paned_get_hposition		(EPaned *paned);
+void		e_paned_set_hposition		(EPaned *paned,
+						 gint hposition);
+gint		e_paned_get_vposition		(EPaned *paned);
+void		e_paned_set_vposition		(EPaned *paned,
+						 gint vposition);
+gboolean	e_paned_get_vertical_view	(EPaned *paned);
+void		e_paned_set_vertical_view	(EPaned *paned,
+						 gboolean vertical_view);
+
+G_END_DECLS
+
+#endif /* E_PANED_H */
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