/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
/* Nautilus - Floating status bar.
*
* Copyright (C) 2011 Red Hat Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, see <http://www.gnu.org/licenses/>.
*
* Authors: Cosimo Cecchi <cosimoc@redhat.com>
*
*/
#include <config.h>
#include "nautilus-floating-bar.h"
struct _NautilusFloatingBarDetails {
gchar *label;
GtkWidget *label_widget;
GtkWidget *spinner;
gboolean show_spinner;
gboolean is_interactive;
};
enum {
PROP_LABEL = 1,
PROP_SHOW_SPINNER,
NUM_PROPERTIES
};
enum {
ACTION,
NUM_SIGNALS
};
static GParamSpec *properties[NUM_PROPERTIES] = { NULL, };
static guint signals[NUM_SIGNALS] = { 0, };
G_DEFINE_TYPE (NautilusFloatingBar, nautilus_floating_bar,
GTK_TYPE_BOX);
static void
action_button_clicked_cb (GtkButton *button,
NautilusFloatingBar *self)
{
gint action_id;
action_id = GPOINTER_TO_INT
(g_object_get_data (G_OBJECT (button), "action-id"));
g_signal_emit (self, signals[ACTION], 0, action_id);
}
static void
nautilus_floating_bar_finalize (GObject *obj)
{
NautilusFloatingBar *self = NAUTILUS_FLOATING_BAR (obj);
g_free (self->priv->label);
G_OBJECT_CLASS (nautilus_floating_bar_parent_class)->finalize (obj);
}
static void
nautilus_floating_bar_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec)
{
NautilusFloatingBar *self = NAUTILUS_FLOATING_BAR (object);
switch (property_id) {
case PROP_LABEL:
g_value_set_string (value, self->priv->label);
break;
case PROP_SHOW_SPINNER:
g_value_set_boolean (value, self->priv->show_spinner);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
nautilus_floating_bar_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec)
{
NautilusFloatingBar *self = NAUTILUS_FLOATING_BAR (object);
switch (property_id) {
case PROP_LABEL:
nautilus_floating_bar_set_label (self, g_value_get_string (value));
break;
case PROP_SHOW_SPINNER:
nautilus_floating_bar_set_show_spinner (self, g_value_get_boolean (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
update_label (NautilusFloatingBar *self)
{
gtk_label_set_text (GTK_LABEL (self->priv->label_widget), self->priv->label);
}
static gboolean
overlay_enter_notify_cb (GtkWidget *parent,
GdkEventCrossing *event,
gpointer user_data)
{
GtkWidget *widget = user_data;
if (event->window != gtk_widget_get_window (widget)) {
return FALSE;
}
if (NAUTILUS_FLOATING_BAR (widget)->priv->is_interactive) {
return FALSE;
}
if (gtk_widget_get_halign (widget) == GTK_ALIGN_START) {
gtk_widget_set_halign (widget, GTK_ALIGN_END);
} else {
gtk_widget_set_halign (widget, GTK_ALIGN_START);
}
gtk_widget_queue_resize (widget);
return FALSE;
}
static void
nautilus_floating_bar_parent_set (GtkWidget *widget,
GtkWidget *old_parent)
{
GtkWidget *parent;
parent = gtk_widget_get_parent (widget);
if (old_parent != NULL) {
g_signal_handlers_disconnect_by_func (old_parent,
overlay_enter_notify_cb, widget);
}
if (parent != NULL) {
g_signal_connect (parent, "enter-notify-event",
G_CALLBACK (overlay_enter_notify_cb), widget);
}
}
static void
nautilus_floating_bar_show (GtkWidget *widget)
{
NautilusFloatingBar *self = NAUTILUS_FLOATING_BAR (widget);
GTK_WIDGET_CLASS (nautilus_floating_bar_parent_class)->show (widget);
if (self->priv->show_spinner) {
gtk_spinner_start (GTK_SPINNER (self->priv->spinner));
}
}
static void
nautilus_floating_bar_hide (GtkWidget *widget)
{
NautilusFloatingBar *self = NAUTILUS_FLOATING_BAR (widget);
GTK_WIDGET_CLASS (nautilus_floating_bar_parent_class)->hide (widget);
gtk_spinner_stop (GTK_SPINNER (self->priv->spinner));
}
static gboolean
nautilus_floating_bar_draw (GtkWidget *widget,
cairo_t *cr)
{
GtkStyleContext *context;
context = gtk_widget_get_style_context (widget);
gtk_style_context_save (context);
gtk_style_context_set_state (context, gtk_widget_get_state_flags (widget));
gtk_render_background (context, cr, 0, 0,
gtk_widget_get_allocated_width (widget),
gtk_widget_get_allocated_height (widget));
gtk_render_frame (context, cr, 0, 0,
gtk_widget_get_allocated_width (widget),
gtk_widget_get_allocated_height (widget));
gtk_style_context_restore (context);
return GTK_WIDGET_CLASS (nautilus_floating_bar_parent_class)->draw (widget, cr);;
}
static void
nautilus_floating_bar_constructed (GObject *obj)
{
NautilusFloatingBar *self = NAUTILUS_FLOATING_BAR (obj);
GtkWidget *w, *box;
G_OBJECT_CLASS (nautilus_floating_bar_parent_class)->constructed (obj);
box = GTK_WIDGET (obj);
w = gtk_spinner_new ();
gtk_box_pack_start (GTK_BOX (box), w, FALSE, FALSE, 0);
gtk_widget_set_visible (w, self->priv->show_spinner);
self->priv->spinner = w;
gtk_widget_set_size_request (w, 16, 16);
gtk_widget_set_margin_start (w, 8);
w = gtk_label_new (NULL);
gtk_label_set_ellipsize (GTK_LABEL (w), PANGO_ELLIPSIZE_MIDDLE);
gtk_box_pack_start (GTK_BOX (box), w, FALSE, FALSE, 0);
g_object_set (w,
"margin-top", 2,
"margin-bottom", 2,
"margin-left", 12,
"margin-right", 12,
"max-width-chars", 60,
NULL);
self->priv->label_widget = w;
gtk_widget_show (w);
}
static void
nautilus_floating_bar_init (NautilusFloatingBar *self)
{
GtkStyleContext *context;
self->priv = G_TYPE_INSTANCE_GET_PRIVATE (self, NAUTILUS_TYPE_FLOATING_BAR,
NautilusFloatingBarDetails);
context = gtk_widget_get_style_context (GTK_WIDGET (self));
gtk_style_context_add_class (context, "floating-bar");
}
static void
nautilus_floating_bar_class_init (NautilusFloatingBarClass *klass)
{
GObjectClass *oclass = G_OBJECT_CLASS (klass);
GtkWidgetClass *wclass = GTK_WIDGET_CLASS (klass);
oclass->constructed = nautilus_floating_bar_constructed;
oclass->set_property = nautilus_floating_bar_set_property;
oclass->get_property = nautilus_floating_bar_get_property;
oclass->finalize = nautilus_floating_bar_finalize;
wclass->draw = nautilus_floating_bar_draw;
wclass->show = nautilus_floating_bar_show;
wclass->hide = nautilus_floating_bar_hide;
wclass->parent_set = nautilus_floating_bar_parent_set;
properties[PROP_LABEL] =
g_param_spec_string ("label",
"Bar's label",
"Label displayed by the bar",
NULL,
G_PARAM_WRITABLE | G_PARAM_STATIC_STRINGS);
properties[PROP_SHOW_SPINNER] =
g_param_spec_boolean ("show-spinner",
"Show spinner",
"Whether a spinner should be shown in the floating bar",
FALSE,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
signals[ACTION] =
g_signal_new ("action",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST,
0, NULL, NULL,
g_cclosure_marshal_VOID__INT,
G_TYPE_NONE, 1,
G_TYPE_INT);
g_type_class_add_private (klass, sizeof (NautilusFloatingBarDetails));
g_object_class_install_properties (oclass, NUM_PROPERTIES, properties);
}
void
nautilus_floating_bar_set_label (NautilusFloatingBar *self,
const gchar *label)
{
if (g_strcmp0 (self->priv->label, label) != 0) {
g_free (self->priv->label);
self->priv->label = g_strdup (label);
g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_LABEL]);
update_label (self);
}
}
void
nautilus_floating_bar_set_show_spinner (NautilusFloatingBar *self,
gboolean show_spinner)
{
if (self->priv->show_spinner != show_spinner) {
self->priv->show_spinner = show_spinner;
gtk_widget_set_visible (self->priv->spinner,
show_spinner);
g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_SHOW_SPINNER]);
}
}
GtkWidget *
nautilus_floating_bar_new (const gchar *label,
gboolean show_spinner)
{
return g_object_new (NAUTILUS_TYPE_FLOATING_BAR,
"label", label,
"show-spinner", show_spinner,
"orientation", GTK_ORIENTATION_HORIZONTAL,
"spacing", 8,
NULL);
}
void
nautilus_floating_bar_add_action (NautilusFloatingBar *self,
const gchar *icon_name,
gint action_id)
{
GtkWidget *w, *button;
w = gtk_image_new_from_icon_name (icon_name, GTK_ICON_SIZE_MENU);
gtk_widget_show (w);
button = gtk_button_new ();
gtk_button_set_image (GTK_BUTTON (button), w);
gtk_box_pack_end (GTK_BOX (self), button, FALSE, FALSE, 0);
gtk_widget_show (button);
g_object_set_data (G_OBJECT (button), "action-id",
GINT_TO_POINTER (action_id));
g_signal_connect (button, "clicked",
G_CALLBACK (action_button_clicked_cb), self);
self->priv->is_interactive = TRUE;
}
void
nautilus_floating_bar_cleanup_actions (NautilusFloatingBar *self)
{
GtkWidget *widget;
GList *children, *l;
gpointer data;
children = gtk_container_get_children (GTK_CONTAINER (self));
l = children;
while (l != NULL) {
widget = l->data;
data = g_object_get_data (G_OBJECT (widget), "action-id");
l = l->next;
if (data != NULL) {
/* destroy this */
gtk_widget_destroy (widget);
}
}
g_list_free (children);
self->priv->is_interactive = FALSE;
}