Moved here from shell/, since they are now used only by the components,

	* e-activity-handler.c:
	* e-activity-handler.h:
	* e-task-bar.c:
	* e-task-bar.h:
	* e-task-widget.c:
	* e-task-widget.h: Moved here from shell/, since they are now used
	only by the components, not the shell itself.

	* Makefile.am (widgetsinclude_HEADERS,
	libemiscwidgets_la_SOURCES): add new files

svn path=/trunk/; revision=24586

1 files changed, 232 insertions, 0 deletions

diff --git a/widgets/misc/e-task-bar.c b/widgets/misc/e-task-bar.c
new file mode 100644
index 0000000000..6f20d11505
--- /dev/null
+++ b/widgets/misc/e-task-bar.c
@@ -0,0 +1,232 @@
+/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
+/* e-task-bar.c
+ *
+ * Copyright (C) 2001  Ximian, Inc.
+ *
+ * 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., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ *
+ * Author: Ettore Perazzoli <ettore@ximian.com>
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include "e-task-bar.h"
+
+#include <gal/util/e-util.h>
+#include "widgets/misc/e-clipped-label.h"
+
+
+struct _ETaskBarPrivate
+{
+	EClippedLabel *message_label;
+	GtkHBox  *hbox;
+};
+
+#define PARENT_TYPE gtk_hbox_get_type ()
+static GtkHBoxClass *parent_class = NULL;
+
+
+/* WARNING: Ugly hack starts here.  */
+
+#define MAX_ACTIVITIES_PER_COMPONENT 2
+
+static void
+reduce_displayed_activities_per_component (ETaskBar *task_bar)
+{
+	GHashTable *component_ids_hash;
+	GtkBox *box;
+	GList *p;
+
+	component_ids_hash = g_hash_table_new (g_str_hash, g_str_equal);
+
+	box = GTK_BOX (task_bar->priv->hbox);
+
+	for (p = box->children; p != NULL; p = p->next) {
+		GtkBoxChild *child;
+		const char *component_id;
+		void *hash_item;
+
+		child = (GtkBoxChild *) p->data;
+		component_id = e_task_widget_get_component_id (E_TASK_WIDGET (child->widget));
+
+		hash_item = g_hash_table_lookup (component_ids_hash, component_id);
+
+		if (hash_item == NULL) {
+			gtk_widget_show (child->widget);
+			g_hash_table_insert (component_ids_hash, (void *) component_id, GINT_TO_POINTER (1));
+		} else {
+			int num_items;
+
+			num_items = GPOINTER_TO_INT (hash_item);
+			g_assert (num_items <= MAX_ACTIVITIES_PER_COMPONENT);
+
+			if (num_items == MAX_ACTIVITIES_PER_COMPONENT) {
+				gtk_widget_hide (child->widget);
+			} else {
+				num_items ++;
+				gtk_widget_show (child->widget);
+				g_hash_table_insert (component_ids_hash, (void *) component_id, GINT_TO_POINTER (num_items));
+			}
+		}
+	}
+
+	g_hash_table_destroy (component_ids_hash);
+}
+
+
+static void
+class_init (GtkObjectClass *object_class)
+{
+	parent_class = g_type_class_ref(PARENT_TYPE);
+}
+
+static void
+init (ETaskBar *task_bar)
+{
+	GtkWidget *label, *hbox;
+	
+	task_bar->priv = g_new (ETaskBarPrivate, 1);
+
+	gtk_box_set_spacing (GTK_BOX (task_bar), 10);
+	
+	label = e_clipped_label_new ("", PANGO_WEIGHT_NORMAL, 1.0);
+	gtk_widget_show (label);
+	gtk_box_pack_start (GTK_BOX (task_bar), label, TRUE, TRUE, 0);
+	gtk_misc_set_alignment (GTK_MISC (label), 0, 0.5); 
+	task_bar->priv->message_label = E_CLIPPED_LABEL (label);
+
+	hbox = gtk_hbox_new (FALSE, 0);
+	gtk_container_add (GTK_CONTAINER (task_bar), hbox);
+	task_bar->priv->hbox = GTK_HBOX (hbox);
+}
+
+
+void
+e_task_bar_construct (ETaskBar *task_bar)
+{
+	g_return_if_fail (task_bar != NULL);
+	g_return_if_fail (E_IS_TASK_BAR (task_bar));
+
+	/* Nothing to do here.  */
+}
+
+GtkWidget *
+e_task_bar_new (void)
+{
+	ETaskBar *task_bar;
+
+	task_bar = g_object_new (e_task_bar_get_type (), NULL);
+	e_task_bar_construct (task_bar);
+
+	return GTK_WIDGET (task_bar);
+}
+
+void
+e_task_bar_set_message (ETaskBar   *task_bar,
+			const char *message)
+{
+	if (message) {
+		gtk_widget_show (GTK_WIDGET (task_bar->priv->message_label));
+		e_clipped_label_set_text (task_bar->priv->message_label,
+					  message);
+	} else {
+		e_task_bar_unset_message (task_bar);
+	}
+}
+
+void
+e_task_bar_unset_message (ETaskBar   *task_bar)
+{
+	gtk_widget_hide (GTK_WIDGET (task_bar->priv->message_label));
+}
+
+void
+e_task_bar_prepend_task (ETaskBar *task_bar,
+			 ETaskWidget *task_widget)
+{
+	GtkBoxChild *child_info;
+	GtkBox *box;
+
+	g_return_if_fail (task_bar != NULL);
+	g_return_if_fail (E_IS_TASK_BAR (task_bar));
+	g_return_if_fail (task_widget != NULL);
+	g_return_if_fail (E_IS_TASK_WIDGET (task_widget));
+
+	/* Hah hah.  GTK+ sucks.  This is adapted from `gtkhbox.c'.  */
+
+	child_info = g_new (GtkBoxChild, 1);
+	child_info->widget = GTK_WIDGET (task_widget);
+	child_info->padding = 0;
+	child_info->expand = TRUE;
+	child_info->fill = TRUE;
+	child_info->pack = GTK_PACK_START;
+
+	box = GTK_BOX (task_bar->priv->hbox);
+
+	box->children = g_list_prepend (box->children, child_info);
+
+	gtk_widget_set_parent (GTK_WIDGET (task_widget), GTK_WIDGET (task_bar->priv->hbox));
+
+	if (GTK_WIDGET_REALIZED (task_bar))
+		gtk_widget_realize (GTK_WIDGET (task_widget));
+
+	if (GTK_WIDGET_VISIBLE (task_bar) && GTK_WIDGET_VISIBLE (task_widget)) {
+		if (GTK_WIDGET_MAPPED (task_bar))
+			gtk_widget_map (GTK_WIDGET (task_widget));
+		gtk_widget_queue_resize (GTK_WIDGET (task_widget));
+	}
+
+	reduce_displayed_activities_per_component (task_bar);
+
+	gtk_widget_show (GTK_WIDGET (task_bar->priv->hbox));
+}
+
+void
+e_task_bar_remove_task (ETaskBar *task_bar,
+			int n)
+{
+	ETaskWidget *task_widget;
+
+	g_return_if_fail (task_bar != NULL);
+	g_return_if_fail (E_IS_TASK_BAR (task_bar));
+	g_return_if_fail (n >= 0);
+
+	task_widget = e_task_bar_get_task_widget (task_bar, n);
+	gtk_widget_destroy (GTK_WIDGET (task_widget));
+
+	reduce_displayed_activities_per_component (task_bar);
+
+	if (g_list_length (GTK_BOX (task_bar->priv->hbox)->children) == 0)
+		gtk_widget_hide (GTK_WIDGET (task_bar->priv->hbox));
+}
+	
+ETaskWidget *
+e_task_bar_get_task_widget (ETaskBar *task_bar,
+			    int n)
+{
+	GtkBoxChild *child_info;
+
+	g_return_val_if_fail (task_bar != NULL, NULL);
+	g_return_val_if_fail (E_IS_TASK_BAR (task_bar), NULL);
+
+	child_info = (GtkBoxChild *) g_list_nth (GTK_BOX (task_bar->priv->hbox)->children, n)->data;
+
+	return E_TASK_WIDGET (child_info->widget);
+}
+
+
+E_MAKE_TYPE (e_task_bar, "ETaskBar", ETaskBar, class_init, init, PARENT_TYPE)