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/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
/*
* Copyright (C) 2000 Eazel, Inc
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* 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: Maciej Stachowiak <mjs@eazel.com>
*/
/* nautilus-sample-content-view.c - sample content view
component. This component displays a simple label of the URI
and demonstrates merging menu items & toolbar buttons.
It should be a good basis for writing out-of-proc content views.
*/
/* WHAT YOU NEED TO CHANGE: You need to rename everything. Then look
* for the individual CHANGE comments to see some things you could
* change to make your view do what you want.
*/
#include <config.h>
#include "nautilus-sample-content-view.h"
#include <bonobo/bonobo-i18n.h>
#include <gobject/gsignal.h>
#include <gtk/gtklabel.h>
#include <libgnome/gnome-macros.h>
#include <string.h>
/* CHANGE: You probably want some different widget than a label to be
* your main view contents.
*/
struct NautilusSampleContentViewDetails {
char *location;
GtkWidget *label;
};
GNOME_CLASS_BOILERPLATE (NautilusSampleContentView, nautilus_sample_content_view,
NautilusView, nautilus_view, NAUTILUS_TYPE_VIEW)
static void
nautilus_sample_content_view_finalize (GObject *object)
{
NautilusSampleContentView *view;
view = NAUTILUS_SAMPLE_CONTENT_VIEW (object);
g_free (view->details->location);
g_free (view->details);
GNOME_CALL_PARENT_HANDLER (G_OBJECT_CLASS, finalize, (object));
}
static void
load_location (NautilusSampleContentView *view,
const char *location)
{
char *label_text;
g_assert (NAUTILUS_IS_SAMPLE_CONTENT_VIEW (view));
g_assert (location != NULL);
g_free (view->details->location);
view->details->location = g_strdup (location);
label_text = g_strdup_printf (_("%s\n\nThis is a sample Nautilus content view component."), location);
gtk_label_set_text (GTK_LABEL (view->details->label), label_text);
g_free (label_text);
}
/* CHANGE: Do your own loading here. If loading can be a long-running
* operation, you should consider doing it async, in which case you
* should only call load_complete when the load is actually done.
*/
static void
sample_load_location_callback (NautilusView *nautilus_view,
const char *location,
gpointer user_data)
{
NautilusSampleContentView *view;
g_assert (NAUTILUS_IS_VIEW (nautilus_view));
g_assert (location != NULL);
view = NAUTILUS_SAMPLE_CONTENT_VIEW (nautilus_view);
/* It's mandatory to send an underway message once the
* component starts loading, otherwise nautilus will assume it
* failed. In a real component, this will probably happen in
* some sort of callback from whatever loading mechanism it is
* using to load the data; this component loads no data, so it
* gives the progress update here.
*/
nautilus_view_report_load_underway (nautilus_view);
/* Do the actual load. */
load_location (view, location);
/* It's mandatory to call report_load_complete once the
* component is done loading successfully, or
* report_load_failed if it completes unsuccessfully. In a
* real component, this will probably happen in some sort of
* callback from whatever loading mechanism it is using to
* load the data; this component loads no data, so it gives
* the progress update here.
*/
nautilus_view_report_load_complete (nautilus_view);
}
static void
bonobo_sample_callback (BonoboUIComponent *ui,
gpointer user_data,
const char *verb)
{
NautilusSampleContentView *view;
char *label_text;
g_assert (BONOBO_IS_UI_COMPONENT (ui));
g_assert (verb != NULL);
view = NAUTILUS_SAMPLE_CONTENT_VIEW (user_data);
if (strcmp (verb, "Sample Menu Item") == 0) {
label_text = g_strdup_printf (_("%s\n\nYou selected the Sample menu item."),
view->details->location);
} else {
g_assert (strcmp (verb, "Sample Dock Item") == 0);
label_text = g_strdup_printf (_("%s\n\nYou clicked the Sample toolbar button."),
view->details->location);
}
gtk_label_set_text (GTK_LABEL (view->details->label), label_text);
g_free (label_text);
}
/* CHANGE: Do your own menu/toolbar merging here. */
static void
sample_merge_bonobo_items_callback (BonoboControl *control,
gboolean state,
gpointer user_data)
{
NautilusSampleContentView *view;
BonoboUIComponent *ui_component;
BonoboUIVerb verbs [] = {
BONOBO_UI_VERB ("Sample Menu Item", bonobo_sample_callback),
BONOBO_UI_VERB ("Sample Dock Item", bonobo_sample_callback),
BONOBO_UI_VERB_END
};
g_assert (BONOBO_IS_CONTROL (control));
view = NAUTILUS_SAMPLE_CONTENT_VIEW (user_data);
if (state) {
ui_component = nautilus_view_set_up_ui (NAUTILUS_VIEW (view),
DATADIR,
"nautilus-sample-content-view-ui.xml",
"nautilus-sample-content-view");
bonobo_ui_component_add_verb_list_with_data (ui_component, verbs, view);
}
/* Note that we do nothing if state is FALSE. Nautilus content
* views are activated when installed, but never explicitly
* deactivated. When the view changes to another, the content
* view object is destroyed, which ends up calling
* bonobo_ui_handler_unset_container, which removes its merged
* menu & toolbar items.
*/
}
static void
nautilus_sample_content_view_class_init (NautilusSampleContentViewClass *class)
{
G_OBJECT_CLASS (class)->finalize = nautilus_sample_content_view_finalize;
}
static void
nautilus_sample_content_view_instance_init (NautilusSampleContentView *view)
{
view->details = g_new0 (NautilusSampleContentViewDetails, 1);
view->details->label = gtk_label_new (_("(none)"));
gtk_widget_show (view->details->label);
nautilus_view_construct (NAUTILUS_VIEW (view), view->details->label);
g_signal_connect (view,
"load_location",
G_CALLBACK (sample_load_location_callback),
NULL);
/* Get notified when our bonobo control is activated so we can
* merge menu & toolbar items into the shell's UI.
*/
g_signal_connect (nautilus_view_get_bonobo_control (NAUTILUS_VIEW (view)),
"activate",
G_CALLBACK (sample_merge_bonobo_items_callback),
view);
}
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