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/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
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/* Nautilus - Floating status bar.
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*
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* Copyright (C) 2011 Red Hat Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library 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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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, see <http://www.gnu.org/licenses/>.
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*
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* Authors: Cosimo Cecchi <cosimoc@redhat.com>
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*
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*/
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#include <config.h>
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#include "nautilus-floating-bar.h"
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struct _NautilusFloatingBarDetails {
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gchar *label;
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GtkWidget *label_widget;
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GtkWidget *spinner;
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gboolean show_spinner;
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gboolean is_interactive;
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};
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enum {
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PROP_LABEL = 1,
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PROP_SHOW_SPINNER,
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NUM_PROPERTIES
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};
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enum {
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ACTION,
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NUM_SIGNALS
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};
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static GParamSpec *properties[NUM_PROPERTIES] = { NULL, };
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static guint signals[NUM_SIGNALS] = { 0, };
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G_DEFINE_TYPE (NautilusFloatingBar, nautilus_floating_bar,
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GTK_TYPE_BOX);
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static void
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action_button_clicked_cb (GtkButton *button,
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NautilusFloatingBar *self)
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{
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gint action_id;
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action_id = GPOINTER_TO_INT
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(g_object_get_data (G_OBJECT (button), "action-id"));
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g_signal_emit (self, signals[ACTION], 0, action_id);
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}
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static void
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nautilus_floating_bar_finalize (GObject *obj)
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{
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NautilusFloatingBar *self = NAUTILUS_FLOATING_BAR (obj);
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g_free (self->priv->label);
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G_OBJECT_CLASS (nautilus_floating_bar_parent_class)->finalize (obj);
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}
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static void
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nautilus_floating_bar_get_property (GObject *object,
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guint property_id,
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GValue *value,
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GParamSpec *pspec)
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{
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NautilusFloatingBar *self = NAUTILUS_FLOATING_BAR (object);
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switch (property_id) {
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case PROP_LABEL:
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g_value_set_string (value, self->priv->label);
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break;
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case PROP_SHOW_SPINNER:
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g_value_set_boolean (value, self->priv->show_spinner);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
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break;
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}
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}
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static void
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nautilus_floating_bar_set_property (GObject *object,
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guint property_id,
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const GValue *value,
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GParamSpec *pspec)
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{
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NautilusFloatingBar *self = NAUTILUS_FLOATING_BAR (object);
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switch (property_id) {
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case PROP_LABEL:
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nautilus_floating_bar_set_label (self, g_value_get_string (value));
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break;
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case PROP_SHOW_SPINNER:
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nautilus_floating_bar_set_show_spinner (self, g_value_get_boolean (value));
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
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break;
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}
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}
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static void
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update_label (NautilusFloatingBar *self)
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{
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gtk_label_set_text (GTK_LABEL (self->priv->label_widget), self->priv->label);
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}
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static gboolean
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overlay_enter_notify_cb (GtkWidget *parent,
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GdkEventCrossing *event,
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gpointer user_data)
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{
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GtkWidget *widget = user_data;
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if (event->window != gtk_widget_get_window (widget)) {
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return FALSE;
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}
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if (NAUTILUS_FLOATING_BAR (widget)->priv->is_interactive) {
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return FALSE;
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}
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if (gtk_widget_get_halign (widget) == GTK_ALIGN_START) {
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gtk_widget_set_halign (widget, GTK_ALIGN_END);
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} else {
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gtk_widget_set_halign (widget, GTK_ALIGN_START);
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}
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gtk_widget_queue_resize (widget);
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return FALSE;
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}
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static void
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nautilus_floating_bar_parent_set (GtkWidget *widget,
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GtkWidget *old_parent)
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{
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GtkWidget *parent;
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parent = gtk_widget_get_parent (widget);
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if (old_parent != NULL) {
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g_signal_handlers_disconnect_by_func (old_parent,
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overlay_enter_notify_cb, widget);
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}
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if (parent != NULL) {
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g_signal_connect (parent, "enter-notify-event",
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G_CALLBACK (overlay_enter_notify_cb), widget);
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}
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}
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static void
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nautilus_floating_bar_show (GtkWidget *widget)
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{
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NautilusFloatingBar *self = NAUTILUS_FLOATING_BAR (widget);
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GTK_WIDGET_CLASS (nautilus_floating_bar_parent_class)->show (widget);
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if (self->priv->show_spinner) {
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gtk_spinner_start (GTK_SPINNER (self->priv->spinner));
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}
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}
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static void
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nautilus_floating_bar_hide (GtkWidget *widget)
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{
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NautilusFloatingBar *self = NAUTILUS_FLOATING_BAR (widget);
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GTK_WIDGET_CLASS (nautilus_floating_bar_parent_class)->hide (widget);
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gtk_spinner_stop (GTK_SPINNER (self->priv->spinner));
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}
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static gboolean
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nautilus_floating_bar_draw (GtkWidget *widget,
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cairo_t *cr)
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{
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GtkStyleContext *context;
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context = gtk_widget_get_style_context (widget);
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gtk_style_context_save (context);
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gtk_style_context_set_state (context, gtk_widget_get_state_flags (widget));
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gtk_render_background (context, cr, 0, 0,
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gtk_widget_get_allocated_width (widget),
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gtk_widget_get_allocated_height (widget));
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gtk_render_frame (context, cr, 0, 0,
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gtk_widget_get_allocated_width (widget),
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gtk_widget_get_allocated_height (widget));
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gtk_style_context_restore (context);
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return GTK_WIDGET_CLASS (nautilus_floating_bar_parent_class)->draw (widget, cr);;
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}
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static void
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nautilus_floating_bar_constructed (GObject *obj)
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{
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NautilusFloatingBar *self = NAUTILUS_FLOATING_BAR (obj);
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GtkWidget *w, *box;
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G_OBJECT_CLASS (nautilus_floating_bar_parent_class)->constructed (obj);
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box = GTK_WIDGET (obj);
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w = gtk_spinner_new ();
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gtk_box_pack_start (GTK_BOX (box), w, FALSE, FALSE, 0);
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gtk_widget_set_visible (w, self->priv->show_spinner);
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self->priv->spinner = w;
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gtk_widget_set_size_request (w, 16, 16);
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gtk_widget_set_margin_start (w, 8);
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w = gtk_label_new (NULL);
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gtk_label_set_ellipsize (GTK_LABEL (w), PANGO_ELLIPSIZE_MIDDLE);
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gtk_box_pack_start (GTK_BOX (box), w, FALSE, FALSE, 0);
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g_object_set (w,
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"margin-top", 2,
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"margin-bottom", 2,
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"margin-left", 12,
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"margin-right", 12,
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"max-width-chars", 60,
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NULL);
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self->priv->label_widget = w;
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gtk_widget_show (w);
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}
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static void
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nautilus_floating_bar_init (NautilusFloatingBar *self)
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{
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GtkStyleContext *context;
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self->priv = G_TYPE_INSTANCE_GET_PRIVATE (self, NAUTILUS_TYPE_FLOATING_BAR,
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NautilusFloatingBarDetails);
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context = gtk_widget_get_style_context (GTK_WIDGET (self));
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gtk_style_context_add_class (context, "floating-bar");
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}
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static void
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nautilus_floating_bar_class_init (NautilusFloatingBarClass *klass)
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{
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GObjectClass *oclass = G_OBJECT_CLASS (klass);
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GtkWidgetClass *wclass = GTK_WIDGET_CLASS (klass);
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oclass->constructed = nautilus_floating_bar_constructed;
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oclass->set_property = nautilus_floating_bar_set_property;
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oclass->get_property = nautilus_floating_bar_get_property;
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oclass->finalize = nautilus_floating_bar_finalize;
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wclass->draw = nautilus_floating_bar_draw;
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wclass->show = nautilus_floating_bar_show;
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wclass->hide = nautilus_floating_bar_hide;
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wclass->parent_set = nautilus_floating_bar_parent_set;
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properties[PROP_LABEL] =
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g_param_spec_string ("label",
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|
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"Bar's label",
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|
Packit |
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"Label displayed by the bar",
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NULL,
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G_PARAM_WRITABLE | G_PARAM_STATIC_STRINGS);
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properties[PROP_SHOW_SPINNER] =
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g_param_spec_boolean ("show-spinner",
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|
Packit |
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"Show spinner",
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|
Packit |
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"Whether a spinner should be shown in the floating bar",
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FALSE,
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|
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G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
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signals[ACTION] =
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g_signal_new ("action",
|
|
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G_TYPE_FROM_CLASS (klass),
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|
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G_SIGNAL_RUN_LAST,
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|
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0, NULL, NULL,
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|
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g_cclosure_marshal_VOID__INT,
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|
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G_TYPE_NONE, 1,
|
|
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G_TYPE_INT);
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79f644 |
|
|
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g_type_class_add_private (klass, sizeof (NautilusFloatingBarDetails));
|
|
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g_object_class_install_properties (oclass, NUM_PROPERTIES, properties);
|
|
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}
|
|
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|
|
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void
|
|
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nautilus_floating_bar_set_label (NautilusFloatingBar *self,
|
|
Packit |
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const gchar *label)
|
|
Packit |
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{
|
|
Packit |
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if (g_strcmp0 (self->priv->label, label) != 0) {
|
|
Packit |
79f644 |
g_free (self->priv->label);
|
|
Packit |
79f644 |
self->priv->label = g_strdup (label);
|
|
Packit |
79f644 |
|
|
Packit |
79f644 |
g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_LABEL]);
|
|
Packit |
79f644 |
|
|
Packit |
79f644 |
update_label (self);
|
|
Packit |
79f644 |
}
|
|
Packit |
79f644 |
}
|
|
Packit |
79f644 |
|
|
Packit |
79f644 |
void
|
|
Packit |
79f644 |
nautilus_floating_bar_set_show_spinner (NautilusFloatingBar *self,
|
|
Packit |
79f644 |
gboolean show_spinner)
|
|
Packit |
79f644 |
{
|
|
Packit |
79f644 |
if (self->priv->show_spinner != show_spinner) {
|
|
Packit |
79f644 |
self->priv->show_spinner = show_spinner;
|
|
Packit |
79f644 |
gtk_widget_set_visible (self->priv->spinner,
|
|
Packit |
79f644 |
show_spinner);
|
|
Packit |
79f644 |
|
|
Packit |
79f644 |
g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_SHOW_SPINNER]);
|
|
Packit |
79f644 |
}
|
|
Packit |
79f644 |
}
|
|
Packit |
79f644 |
|
|
Packit |
79f644 |
GtkWidget *
|
|
Packit |
79f644 |
nautilus_floating_bar_new (const gchar *label,
|
|
Packit |
79f644 |
gboolean show_spinner)
|
|
Packit |
79f644 |
{
|
|
Packit |
79f644 |
return g_object_new (NAUTILUS_TYPE_FLOATING_BAR,
|
|
Packit |
79f644 |
"label", label,
|
|
Packit |
79f644 |
"show-spinner", show_spinner,
|
|
Packit |
79f644 |
"orientation", GTK_ORIENTATION_HORIZONTAL,
|
|
Packit |
79f644 |
"spacing", 8,
|
|
Packit |
79f644 |
NULL);
|
|
Packit |
79f644 |
}
|
|
Packit |
79f644 |
|
|
Packit |
79f644 |
void
|
|
Packit |
79f644 |
nautilus_floating_bar_add_action (NautilusFloatingBar *self,
|
|
Packit |
79f644 |
const gchar *icon_name,
|
|
Packit |
79f644 |
gint action_id)
|
|
Packit |
79f644 |
{
|
|
Packit |
79f644 |
GtkWidget *w, *button;
|
|
Packit |
79f644 |
|
|
Packit |
79f644 |
w = gtk_image_new_from_icon_name (icon_name, GTK_ICON_SIZE_MENU);
|
|
Packit |
79f644 |
gtk_widget_show (w);
|
|
Packit |
79f644 |
|
|
Packit |
79f644 |
button = gtk_button_new ();
|
|
Packit |
79f644 |
gtk_button_set_image (GTK_BUTTON (button), w);
|
|
Packit |
79f644 |
gtk_box_pack_end (GTK_BOX (self), button, FALSE, FALSE, 0);
|
|
Packit |
79f644 |
gtk_widget_show (button);
|
|
Packit |
79f644 |
|
|
Packit |
79f644 |
g_object_set_data (G_OBJECT (button), "action-id",
|
|
Packit |
79f644 |
GINT_TO_POINTER (action_id));
|
|
Packit |
79f644 |
|
|
Packit |
79f644 |
g_signal_connect (button, "clicked",
|
|
Packit |
79f644 |
G_CALLBACK (action_button_clicked_cb), self);
|
|
Packit |
79f644 |
|
|
Packit |
79f644 |
self->priv->is_interactive = TRUE;
|
|
Packit |
79f644 |
}
|
|
Packit |
79f644 |
|
|
Packit |
79f644 |
void
|
|
Packit |
79f644 |
nautilus_floating_bar_cleanup_actions (NautilusFloatingBar *self)
|
|
Packit |
79f644 |
{
|
|
Packit |
79f644 |
GtkWidget *widget;
|
|
Packit |
79f644 |
GList *children, *l;
|
|
Packit |
79f644 |
gpointer data;
|
|
Packit |
79f644 |
|
|
Packit |
79f644 |
children = gtk_container_get_children (GTK_CONTAINER (self));
|
|
Packit |
79f644 |
l = children;
|
|
Packit |
79f644 |
|
|
Packit |
79f644 |
while (l != NULL) {
|
|
Packit |
79f644 |
widget = l->data;
|
|
Packit |
79f644 |
data = g_object_get_data (G_OBJECT (widget), "action-id");
|
|
Packit |
79f644 |
l = l->next;
|
|
Packit |
79f644 |
|
|
Packit |
79f644 |
if (data != NULL) {
|
|
Packit |
79f644 |
/* destroy this */
|
|
Packit |
79f644 |
gtk_widget_destroy (widget);
|
|
Packit |
79f644 |
}
|
|
Packit |
79f644 |
}
|
|
Packit |
79f644 |
|
|
Packit |
79f644 |
g_list_free (children);
|
|
Packit |
79f644 |
|
|
Packit |
79f644 |
self->priv->is_interactive = FALSE;
|
|
Packit |
79f644 |
}
|