Finally got the "Current View" menu under control.

svn path=/branches/kill-bonobo/; revision=36380

1 files changed, 335 insertions, 0 deletions

diff --git a/shell/e-shell-taskbar.c b/shell/e-shell-taskbar.c
new file mode 100644
index 0000000000..f9c293d7c9
--- /dev/null
+++ b/shell/e-shell-taskbar.c
@@ -0,0 +1,335 @@
+/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
+/* e-shell-taskbar.c
+ *
+ * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of version 2 of the GNU General Public
+ * License as published by the Free Software Foundation.
+ *
+ * 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
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public
+ * License along with this program; if not, write to the
+ * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#include "e-shell-taskbar.h"
+
+#include <e-shell-view.h>
+
+#define E_SHELL_TASKBAR_GET_PRIVATE(obj) \
+	(G_TYPE_INSTANCE_GET_PRIVATE \
+	((obj), E_TYPE_SHELL_TASKBAR, EShellTaskbarPrivate))
+
+struct _EShellTaskbarPrivate {
+
+	gpointer shell_view;  /* weak pointer */
+
+	GtkWidget *label;
+	GtkWidget *hbox;
+};
+
+enum {
+	PROP_0,
+	PROP_SHELL_VIEW
+};
+
+static gpointer parent_class;
+
+static void
+shell_taskbar_set_shell_view (EShellTaskbar *shell_taskbar,
+                              EShellView *shell_view)
+{
+	g_return_if_fail (shell_taskbar->priv->shell_view == NULL);
+
+	shell_taskbar->priv->shell_view = shell_view;
+
+	g_object_add_weak_pointer (
+		G_OBJECT (shell_view),
+		&shell_taskbar->priv->shell_view);
+}
+
+static void
+shell_taskbar_set_property (GObject *object,
+                            guint property_id,
+                            const GValue *value,
+                            GParamSpec *pspec)
+{
+	switch (property_id) {
+		case PROP_SHELL_VIEW:
+			shell_taskbar_set_shell_view (
+				E_SHELL_TASKBAR (object),
+				g_value_get_object (value));
+			return;
+	}
+
+	G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+}
+
+static void
+shell_taskbar_get_property (GObject *object,
+                            guint property_id,
+                            GValue *value,
+                            GParamSpec *pspec)
+{
+	switch (property_id) {
+		case PROP_SHELL_VIEW:
+			g_value_set_object (
+				value, e_shell_taskbar_get_shell_view (
+				E_SHELL_TASKBAR (object)));
+			return;
+	}
+
+	G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+}
+
+static void
+shell_taskbar_dispose (GObject *object)
+{
+	EShellTaskbarPrivate *priv;
+
+	priv = E_SHELL_TASKBAR_GET_PRIVATE (object);
+
+	if (priv->shell_view != NULL) {
+		g_object_remove_weak_pointer (
+			G_OBJECT (priv->shell_view), &priv->shell_view);
+		priv->shell_view = NULL;
+	}
+
+	if (priv->label != NULL) {
+		g_object_unref (priv->label);
+		priv->label = NULL;
+	}
+
+	if (priv->hbox != NULL) {
+		g_object_unref (priv->hbox);
+		priv->hbox = NULL;
+	}
+
+	/* Chain up to parent's dispose() method. */
+	G_OBJECT_CLASS (parent_class)->dispose (object);
+}
+
+static void
+shell_taskbar_class_init (EShellTaskbarClass *class)
+{
+	GObjectClass *object_class;
+
+	parent_class = g_type_class_peek_parent (class);
+	g_type_class_add_private (class, sizeof (EShellTaskbarPrivate));
+
+	object_class = G_OBJECT_CLASS (class);
+	object_class->set_property = shell_taskbar_set_property;
+	object_class->get_property = shell_taskbar_get_property;
+	object_class->dispose = shell_taskbar_dispose;
+
+	g_object_class_install_property (
+		object_class,
+		PROP_SHELL_VIEW,
+		g_param_spec_object (
+			"shell-view",
+			NULL,
+			NULL,
+			E_TYPE_SHELL_VIEW,
+			G_PARAM_READWRITE |
+			G_PARAM_CONSTRUCT_ONLY));
+}
+
+static void
+shell_taskbar_init (EShellTaskbar *shell_taskbar)
+{
+	GtkWidget *widget;
+	gint height;
+
+	shell_taskbar->priv = E_SHELL_TASKBAR_GET_PRIVATE (shell_taskbar);
+
+	gtk_box_set_spacing (GTK_BOX (shell_taskbar), 12);
+
+	widget = gtk_label_new (NULL);
+	gtk_label_set_ellipsize (GTK_LABEL (widget), PANGO_ELLIPSIZE_END);
+	gtk_box_pack_start (GTK_BOX (shell_taskbar), widget, TRUE, TRUE, 0);
+	gtk_misc_set_alignment (GTK_MISC (widget), 0.0, 0.5);
+	shell_taskbar->priv->label = g_object_ref (widget);
+	gtk_widget_hide (widget);
+
+	widget = gtk_hbox_new (FALSE, 0);
+	gtk_box_pack_start (GTK_BOX (shell_taskbar), widget, TRUE, TRUE, 0);
+	shell_taskbar->priv->hbox = g_object_ref (widget);
+	gtk_widget_hide (widget);
+
+	/* Make the taskbar large enough to accomodate a small icon.
+	 * XXX The "* 2" is a fudge factor to allow for some padding
+	 *     The true value is probably buried in a style property. */
+	gtk_icon_size_lookup (GTK_ICON_SIZE_MENU, NULL, &height);
+	gtk_widget_set_size_request (
+		GTK_WIDGET (shell_taskbar), -1, height * 2);
+}
+
+GType
+e_shell_taskbar_get_type (void)
+{
+	static GType type = 0;
+
+	if (G_UNLIKELY (type == 0)) {
+		static const GTypeInfo type_info = {
+			sizeof (EShellTaskbarClass),
+			(GBaseInitFunc) NULL,
+			(GBaseFinalizeFunc) NULL,
+			(GClassInitFunc) shell_taskbar_class_init,
+			(GClassFinalizeFunc) NULL,
+			NULL,  /* class_data */
+			sizeof (EShellTaskbar),
+			0,     /* n_preallocs */
+			(GInstanceInitFunc) shell_taskbar_init,
+			NULL   /* value_table */
+		};
+
+		type = g_type_register_static (
+			GTK_TYPE_HBOX, "EShellTaskbar", &type_info, 0);
+	}
+
+	return type;
+}
+
+GtkWidget *
+e_shell_taskbar_new (EShellView *shell_view)
+{
+	g_return_val_if_fail (E_IS_SHELL_VIEW (shell_view), NULL);
+
+	return g_object_new (
+		E_TYPE_SHELL_TASKBAR, "shell-view", shell_view, NULL);
+}
+
+EShellView *
+e_shell_taskbar_get_shell_view (EShellTaskbar *shell_taskbar)
+{
+	g_return_val_if_fail (E_IS_SHELL_TASKBAR (shell_taskbar), NULL);
+
+	return shell_taskbar->priv->shell_view;
+}
+
+void
+e_shell_taskbar_set_message (EShellTaskbar *shell_taskbar,
+                             const gchar *message)
+{
+	GtkWidget *label;
+
+	g_return_if_fail (E_IS_SHELL_TASKBAR (shell_taskbar));
+
+	label = shell_taskbar->priv->label;
+	message = (message == NULL) ? message : "";
+	gtk_label_set_text (GTK_LABEL (label), message);
+
+	if (*message != '\0')
+		gtk_widget_show (label);
+	else
+		gtk_widget_hide (label);
+}
+
+void
+e_shell_taskbar_unset_message (EShellTaskbar *shell_taskbar)
+{
+	g_return_if_fail (E_IS_SHELL_TASKBAR (shell_taskbar));
+
+	e_shell_taskbar_set_message (shell_taskbar, NULL);
+}
+
+void
+e_shell_taskbar_prepend_task (EShellTaskbar *shell_taskbar,
+                              ETaskWidget *task_widget)
+{
+	GtkBox *box;
+	GtkWidget *child;
+
+	g_return_if_fail (E_IS_SHELL_TASKBAR (shell_taskbar));
+	g_return_if_fail (E_IS_TASK_WIDGET (task_widget));
+
+	child = GTK_WIDGET (task_widget);
+	box = GTK_BOX (shell_taskbar->priv->hbox);
+	gtk_box_pack_start (box, child, TRUE, TRUE, 0);
+	gtk_box_reorder_child (box, child, 0);
+	gtk_widget_show (GTK_WIDGET (box));
+}
+
+void
+e_shell_taskbar_remove_task (EShellTaskbar *shell_taskbar,
+                             gint position)
+{
+	ETaskWidget *task_widget;
+	GtkBox *box;
+
+	g_return_if_fail (E_IS_SHELL_TASKBAR (shell_taskbar));
+	g_return_if_fail (position >= 0);
+
+	task_widget = e_shell_taskbar_get_task_widget (
+		shell_taskbar, position);
+	gtk_widget_destroy (GTK_WIDGET (task_widget));
+
+	box = GTK_BOX (shell_taskbar->priv->hbox);
+	if (box->children == NULL)
+		gtk_widget_hide (GTK_WIDGET (box));
+}
+
+ETaskWidget *
+e_shell_taskbar_get_task_widget_from_id (EShellTaskbar *shell_taskbar,
+                                         guint task_id)
+{
+	GtkBox *box;
+	GList *iter;
+
+	g_return_val_if_fail (E_IS_SHELL_TASKBAR (shell_taskbar), NULL);
+
+	box = GTK_BOX (shell_taskbar->priv->hbox);
+
+	for (iter = box->children; iter != NULL; iter = iter->next) {
+		GtkBoxChild *child_info = iter->data;
+		ETaskWidget *task_widget;
+
+		task_widget = E_TASK_WIDGET (child_info->widget);
+
+		if (task_widget->id == task_id)
+			return task_widget;
+	}
+
+	return NULL;
+}
+
+void
+e_shell_taskbar_remove_task_from_id (EShellTaskbar *shell_taskbar,
+                                     guint task_id)
+{
+	ETaskWidget *task_widget;
+	GtkBox *box;
+
+	g_return_if_fail (E_IS_SHELL_TASKBAR (shell_taskbar));
+
+	task_widget = e_shell_taskbar_get_task_widget_from_id (
+		shell_taskbar, task_id);
+	g_return_if_fail (task_widget != NULL);
+
+	gtk_widget_destroy (GTK_WIDGET (task_widget));
+
+	box = GTK_BOX (shell_taskbar->priv->hbox);
+	if (box->children == NULL)
+		gtk_widget_hide (GTK_WIDGET (box));
+}
+
+ETaskWidget *
+e_shell_taskbar_get_task_widget (EShellTaskbar *shell_taskbar,
+                                 gint position)
+{
+	GtkBoxChild *child_info;
+	GtkBox *box;
+
+	g_return_val_if_fail (E_IS_SHELL_TASKBAR (shell_taskbar), NULL);
+
+	box = GTK_BOX (shell_taskbar->priv->hbox);
+	child_info = g_list_nth (box->children, position)->data;
+
+	return E_TASK_WIDGET (child_info->widget);
+}