205 lines
4.8 KiB
C
205 lines
4.8 KiB
C
/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
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/* e-task-bar.c
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*
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* Copyright (C) 2001 Ximian, Inc.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of version 2 of the GNU General Public
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* License as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public
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* License along with this program; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*
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* Author: Ettore Perazzoli <ettore@ximian.com>
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include "e-task-bar.h"
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#include <gal/util/e-util.h>
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#define PARENT_TYPE gtk_hbox_get_type ()
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static GtkHBoxClass *parent_class = NULL;
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/* WARNING: Ugly hack starts here. */
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#define MAX_ACTIVITIES_PER_COMPONENT 2
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static void
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reduce_displayed_activities_per_component (ETaskBar *task_bar)
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{
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GHashTable *component_ids_hash;
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GtkBox *box;
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GList *p;
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component_ids_hash = g_hash_table_new (g_str_hash, g_str_equal);
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box = GTK_BOX (task_bar);
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for (p = box->children; p != NULL; p = p->next) {
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GtkBoxChild *child;
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const char *component_id;
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void *hash_item;
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child = (GtkBoxChild *) p->data;
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component_id = e_task_widget_get_component_id (E_TASK_WIDGET (child->widget));
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hash_item = g_hash_table_lookup (component_ids_hash, component_id);
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if (hash_item == NULL) {
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gtk_widget_show (child->widget);
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g_hash_table_insert (component_ids_hash, (void *) component_id, GINT_TO_POINTER (1));
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} else {
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int num_items;
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num_items = GPOINTER_TO_INT (hash_item);
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g_assert (num_items <= MAX_ACTIVITIES_PER_COMPONENT);
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if (num_items == MAX_ACTIVITIES_PER_COMPONENT) {
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gtk_widget_hide (child->widget);
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} else {
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num_items ++;
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gtk_widget_show (child->widget);
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g_hash_table_insert (component_ids_hash, (void *) component_id, GINT_TO_POINTER (num_items));
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}
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}
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}
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g_hash_table_destroy (component_ids_hash);
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}
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/* GtkObject methods. */
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static void
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impl_destroy (GtkObject *object)
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{
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ETaskBar *task_bar;
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task_bar = E_TASK_BAR (object);
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/* Nothing to do here. */
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(* GTK_OBJECT_CLASS (parent_class)->destroy) (object);
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}
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static void
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class_init (GtkObjectClass *object_class)
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{
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parent_class = gtk_type_class (PARENT_TYPE);
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object_class->destroy = impl_destroy;
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}
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static void
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init (ETaskBar *task_bar)
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{
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/* Nothing to do here. */
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}
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void
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e_task_bar_construct (ETaskBar *task_bar)
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{
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g_return_if_fail (task_bar != NULL);
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g_return_if_fail (E_IS_TASK_BAR (task_bar));
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/* Nothing to do here. */
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}
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GtkWidget *
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e_task_bar_new (void)
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{
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ETaskBar *task_bar;
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task_bar = gtk_type_new (e_task_bar_get_type ());
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e_task_bar_construct (task_bar);
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return GTK_WIDGET (task_bar);
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}
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void
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e_task_bar_prepend_task (ETaskBar *task_bar,
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ETaskWidget *task_widget)
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{
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GtkBoxChild *child_info;
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GtkBox *box;
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g_return_if_fail (task_bar != NULL);
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g_return_if_fail (E_IS_TASK_BAR (task_bar));
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g_return_if_fail (task_widget != NULL);
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g_return_if_fail (E_IS_TASK_WIDGET (task_widget));
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/* Hah hah. GTK+ sucks. This is adapted from `gtkhbox.c'. */
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child_info = g_new (GtkBoxChild, 1);
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child_info->widget = GTK_WIDGET (task_widget);
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child_info->padding = 0;
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child_info->expand = TRUE;
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child_info->fill = TRUE;
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child_info->pack = GTK_PACK_START;
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box = GTK_BOX (task_bar);
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box->children = g_list_prepend (box->children, child_info);
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gtk_widget_set_parent (GTK_WIDGET (task_widget), GTK_WIDGET (task_bar));
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if (GTK_WIDGET_REALIZED (task_bar))
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gtk_widget_realize (GTK_WIDGET (task_widget));
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if (GTK_WIDGET_VISIBLE (task_bar) && GTK_WIDGET_VISIBLE (task_widget)) {
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if (GTK_WIDGET_MAPPED (task_bar))
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gtk_widget_map (GTK_WIDGET (task_widget));
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gtk_widget_queue_resize (GTK_WIDGET (task_widget));
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}
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reduce_displayed_activities_per_component (task_bar);
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}
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void
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e_task_bar_remove_task (ETaskBar *task_bar,
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int n)
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{
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ETaskWidget *task_widget;
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g_return_if_fail (task_bar != NULL);
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g_return_if_fail (E_IS_TASK_BAR (task_bar));
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g_return_if_fail (n >= 0);
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task_widget = e_task_bar_get_task_widget (task_bar, n);
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gtk_widget_destroy (GTK_WIDGET (task_widget));
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reduce_displayed_activities_per_component (task_bar);
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}
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ETaskWidget *
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e_task_bar_get_task_widget (ETaskBar *task_bar,
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int n)
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{
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GtkBoxChild *child_info;
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g_return_val_if_fail (task_bar != NULL, NULL);
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g_return_val_if_fail (E_IS_TASK_BAR (task_bar), NULL);
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child_info = (GtkBoxChild *) g_list_nth (GTK_BOX (task_bar)->children, n)->data;
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return E_TASK_WIDGET (child_info->widget);
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}
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E_MAKE_TYPE (e_task_bar, "ETaskBar", ETaskBar, class_init, init, PARENT_TYPE)
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