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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
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* Copyright (C) 2008 William Jon McCann
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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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
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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#include <pulse/pulseaudio.h>
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#include <glib/gi18n-lib.h>
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#include <canberra-gtk.h>
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#include "gvc-channel-bar.h"
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#include "gvc-mixer-control.h"
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#define SCALE_SIZE 128
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#define ADJUSTMENT_MAX_NORMAL gvc_mixer_control_get_vol_max_norm(NULL)
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#define ADJUSTMENT_MAX_AMPLIFIED gvc_mixer_control_get_vol_max_amplified(NULL)
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#define ADJUSTMENT_MAX (bar->priv->is_amplified ? ADJUSTMENT_MAX_AMPLIFIED : ADJUSTMENT_MAX_NORMAL)
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#define SCROLLSTEP (ADJUSTMENT_MAX / 100.0 * 5.0)
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#define GVC_CHANNEL_BAR_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), GVC_TYPE_CHANNEL_BAR, GvcChannelBarPrivate))
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struct GvcChannelBarPrivate
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GtkOrientation orientation;
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GtkWidget *high_image;
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GtkWidget *mute_button;
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GtkAdjustment *adjustment;
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GtkAdjustment *zero_adjustment;
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GtkSizeGroup *size_group;
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gboolean is_amplified;
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static void gvc_channel_bar_class_init (GvcChannelBarClass *klass);
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static void gvc_channel_bar_init (GvcChannelBar *channel_bar);
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static void gvc_channel_bar_finalize (GObject *object);
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static gboolean on_scale_button_press_event (GtkWidget *widget,
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GdkEventButton *event,
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static gboolean on_scale_button_release_event (GtkWidget *widget,
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GdkEventButton *event,
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static gboolean on_scale_scroll_event (GtkWidget *widget,
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GdkEventScroll *event,
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G_DEFINE_TYPE (GvcChannelBar, gvc_channel_bar, GTK_TYPE_HBOX)
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_scale_box_new (GvcChannelBar *bar)
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GvcChannelBarPrivate *priv = bar->priv;
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if (priv->orientation == GTK_ORIENTATION_VERTICAL) {
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bar->priv->scale_box = box = gtk_vbox_new (FALSE, 6);
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priv->scale = gtk_vscale_new (priv->adjustment);
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gtk_widget_set_size_request (priv->scale, -1, SCALE_SIZE);
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gtk_range_set_inverted (GTK_RANGE (priv->scale), TRUE);
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bar->priv->start_box = sbox = gtk_vbox_new (FALSE, 6);
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gtk_box_pack_start (GTK_BOX (box), sbox, FALSE, FALSE, 0);
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gtk_box_pack_start (GTK_BOX (sbox), priv->image, FALSE, FALSE, 0);
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gtk_box_pack_start (GTK_BOX (sbox), priv->label, FALSE, FALSE, 0);
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gtk_box_pack_start (GTK_BOX (sbox), priv->high_image, FALSE, FALSE, 0);
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gtk_widget_hide (priv->high_image);
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gtk_box_pack_start (GTK_BOX (box), priv->scale, TRUE, TRUE, 0);
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bar->priv->end_box = ebox = gtk_vbox_new (FALSE, 6);
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gtk_box_pack_start (GTK_BOX (box), ebox, FALSE, FALSE, 0);
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gtk_box_pack_start (GTK_BOX (ebox), priv->low_image, FALSE, FALSE, 0);
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gtk_widget_hide (priv->low_image);
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gtk_box_pack_start (GTK_BOX (ebox), priv->mute_box, FALSE, FALSE, 0);
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bar->priv->scale_box = box = gtk_hbox_new (FALSE, 6);
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gtk_box_pack_start (GTK_BOX (box), priv->image, FALSE, FALSE, 0);
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priv->scale = gtk_hscale_new (priv->adjustment);
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gtk_widget_set_size_request (priv->scale, SCALE_SIZE, -1);
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bar->priv->start_box = sbox = gtk_hbox_new (FALSE, 6);
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gtk_box_pack_start (GTK_BOX (box), sbox, FALSE, FALSE, 0);
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gtk_box_pack_end (GTK_BOX (sbox), priv->low_image, FALSE, FALSE, 0);
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gtk_widget_show (priv->low_image);
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gtk_box_pack_start (GTK_BOX (sbox), priv->label, TRUE, TRUE, 0);
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gtk_box_pack_start (GTK_BOX (box), priv->scale, TRUE, TRUE, 0);
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bar->priv->end_box = ebox = gtk_hbox_new (FALSE, 6);
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gtk_box_pack_start (GTK_BOX (box), ebox, FALSE, FALSE, 0);
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gtk_box_pack_start (GTK_BOX (ebox), priv->high_image, FALSE, FALSE, 0);
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gtk_widget_show (priv->high_image);
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gtk_box_pack_start (GTK_BOX (ebox), priv->mute_box, FALSE, FALSE, 0);
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ca_gtk_widget_disable_sounds (bar->priv->scale, FALSE);
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gtk_widget_add_events (bar->priv->scale, GDK_SCROLL_MASK);
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g_signal_connect (G_OBJECT (bar->priv->scale), "button-press-event",
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G_CALLBACK (on_scale_button_press_event), bar);
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g_signal_connect (G_OBJECT (bar->priv->scale), "button-release-event",
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G_CALLBACK (on_scale_button_release_event), bar);
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g_signal_connect (G_OBJECT (bar->priv->scale), "scroll-event",
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G_CALLBACK (on_scale_scroll_event), bar);
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if (bar->priv->size_group != NULL) {
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gtk_size_group_add_widget (bar->priv->size_group, sbox);
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if (bar->priv->symmetric) {
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gtk_size_group_add_widget (bar->priv->size_group, ebox);
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gtk_scale_set_draw_value (GTK_SCALE (priv->scale), FALSE);
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update_image (GvcChannelBar *bar)
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gtk_image_set_from_icon_name (GTK_IMAGE (bar->priv->image),
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bar->priv->icon_name,
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GTK_ICON_SIZE_DIALOG);
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if (bar->priv->icon_name != NULL) {
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gtk_widget_show (bar->priv->image);
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gtk_widget_hide (bar->priv->image);
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update_label (GvcChannelBar *bar)
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if (bar->priv->name != NULL) {
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gtk_label_set_text_with_mnemonic (GTK_LABEL (bar->priv->label),
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gtk_label_set_mnemonic_widget (GTK_LABEL (bar->priv->label),
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gtk_widget_show (bar->priv->label);
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gtk_label_set_text (GTK_LABEL (bar->priv->label), NULL);
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gtk_widget_hide (bar->priv->label);
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update_layout (GvcChannelBar *bar)
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if (bar->priv->scale == NULL) {
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box = bar->priv->scale_box;
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frame = gtk_widget_get_parent (box);
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g_object_ref (bar->priv->image);
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g_object_ref (bar->priv->label);
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g_object_ref (bar->priv->mute_box);
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g_object_ref (bar->priv->low_image);
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g_object_ref (bar->priv->high_image);
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gtk_container_remove (GTK_CONTAINER (bar->priv->start_box), bar->priv->image);
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gtk_container_remove (GTK_CONTAINER (bar->priv->start_box), bar->priv->label);
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gtk_container_remove (GTK_CONTAINER (bar->priv->end_box), bar->priv->mute_box);
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if (bar->priv->orientation == GTK_ORIENTATION_VERTICAL) {
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gtk_container_remove (GTK_CONTAINER (bar->priv->start_box), bar->priv->low_image);
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gtk_container_remove (GTK_CONTAINER (bar->priv->end_box), bar->priv->high_image);
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gtk_container_remove (GTK_CONTAINER (bar->priv->end_box), bar->priv->low_image);
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gtk_container_remove (GTK_CONTAINER (bar->priv->start_box), bar->priv->high_image);
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gtk_container_remove (GTK_CONTAINER (box), bar->priv->start_box);
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gtk_container_remove (GTK_CONTAINER (box), bar->priv->scale);
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gtk_container_remove (GTK_CONTAINER (box), bar->priv->end_box);
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gtk_container_remove (GTK_CONTAINER (frame), box);
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bar->priv->scale_box = _scale_box_new (bar);
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gtk_container_add (GTK_CONTAINER (frame), bar->priv->scale_box);
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g_object_unref (bar->priv->image);
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g_object_unref (bar->priv->label);
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g_object_unref (bar->priv->mute_box);
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g_object_unref (bar->priv->low_image);
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g_object_unref (bar->priv->high_image);
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gtk_widget_show_all (frame);
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gvc_channel_bar_set_size_group (GvcChannelBar *bar,
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g_return_if_fail (GVC_IS_CHANNEL_BAR (bar));
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bar->priv->size_group = group;
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bar->priv->symmetric = symmetric;
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if (bar->priv->size_group != NULL) {
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gtk_size_group_add_widget (bar->priv->size_group,
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bar->priv->start_box);
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if (bar->priv->symmetric) {
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gtk_size_group_add_widget (bar->priv->size_group,
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gtk_widget_queue_draw (GTK_WIDGET (bar));
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gvc_channel_bar_set_name (GvcChannelBar *bar,
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g_return_if_fail (GVC_IS_CHANNEL_BAR (bar));
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g_free (bar->priv->name);
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bar->priv->name = g_strdup (name);
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g_object_notify (G_OBJECT (bar), "name");
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gvc_channel_bar_set_icon_name (GvcChannelBar *bar,
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g_return_if_fail (GVC_IS_CHANNEL_BAR (bar));
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g_free (bar->priv->icon_name);
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bar->priv->icon_name = g_strdup (name);
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g_object_notify (G_OBJECT (bar), "icon-name");
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gvc_channel_bar_set_low_icon_name (GvcChannelBar *bar,
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g_return_if_fail (GVC_IS_CHANNEL_BAR (bar));
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if (name != NULL && strcmp (bar->priv->low_icon_name, name) != 0) {
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g_free (bar->priv->low_icon_name);
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bar->priv->low_icon_name = g_strdup (name);
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gtk_image_set_from_icon_name (GTK_IMAGE (bar->priv->low_image),
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bar->priv->low_icon_name,
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g_object_notify (G_OBJECT (bar), "low-icon-name");
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gvc_channel_bar_set_high_icon_name (GvcChannelBar *bar,
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g_return_if_fail (GVC_IS_CHANNEL_BAR (bar));
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if (name != NULL && strcmp (bar->priv->high_icon_name, name) != 0) {
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g_free (bar->priv->high_icon_name);
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bar->priv->high_icon_name = g_strdup (name);
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gtk_image_set_from_icon_name (GTK_IMAGE (bar->priv->high_image),
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bar->priv->high_icon_name,
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g_object_notify (G_OBJECT (bar), "high-icon-name");
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gvc_channel_bar_set_orientation (GvcChannelBar *bar,
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GtkOrientation orientation)
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g_return_if_fail (GVC_IS_CHANNEL_BAR (bar));
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if (orientation != bar->priv->orientation) {
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bar->priv->orientation = orientation;
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g_object_notify (G_OBJECT (bar), "orientation");
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gvc_channel_bar_set_adjustment (GvcChannelBar *bar,
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GtkAdjustment *adjustment)
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g_return_if_fail (GVC_CHANNEL_BAR (bar));
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g_return_if_fail (GTK_IS_ADJUSTMENT (adjustment));
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if (bar->priv->adjustment != NULL) {
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g_object_unref (bar->priv->adjustment);
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bar->priv->adjustment = g_object_ref_sink (adjustment);
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if (bar->priv->scale != NULL) {
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gtk_range_set_adjustment (GTK_RANGE (bar->priv->scale), adjustment);
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g_object_notify (G_OBJECT (bar), "adjustment");
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gvc_channel_bar_get_adjustment (GvcChannelBar *bar)
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g_return_val_if_fail (GVC_IS_CHANNEL_BAR (bar), NULL);
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return bar->priv->adjustment;
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on_scale_button_press_event (GtkWidget *widget,
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GdkEventButton *event,
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/* HACK: we want the behaviour you get with the middle button, so we
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* mangle the event. clicking with other buttons moves the slider in
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* step increments, clicking with the middle button moves the slider to
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* the location of the click.
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if (event->button == 1)
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bar->priv->click_lock = TRUE;
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on_scale_button_release_event (GtkWidget *widget,
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GdkEventButton *event,
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/* HACK: see on_scale_button_press_event() */
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if (event->button == 1)
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bar->priv->click_lock = FALSE;
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adj = gtk_range_get_adjustment (GTK_RANGE (widget));
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value = gtk_adjustment_get_value (adj);
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/* this means the adjustment moved away from zero and
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* therefore we should unmute and set the volume. */
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gvc_channel_bar_set_is_muted (bar, (value == 0.0));
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ca_gtk_play_for_widget (GTK_WIDGET (bar), 0,
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CA_PROP_EVENT_ID, "audio-volume-change",
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CA_PROP_EVENT_DESCRIPTION, "foobar event happened",
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CA_PROP_APPLICATION_ID, "org.gnome.VolumeControl",
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gvc_channel_bar_scroll (GvcChannelBar *bar, GdkScrollDirection direction)
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g_return_val_if_fail (bar != NULL, FALSE);
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g_return_val_if_fail (GVC_IS_CHANNEL_BAR (bar), FALSE);
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if (bar->priv->orientation == GTK_ORIENTATION_VERTICAL) {
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if (direction != GDK_SCROLL_UP && direction != GDK_SCROLL_DOWN)
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/* Switch direction for RTL */
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if (gtk_widget_get_direction (GTK_WIDGET (bar)) == GTK_TEXT_DIR_RTL) {
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if (direction == GDK_SCROLL_RIGHT)
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direction = GDK_SCROLL_LEFT;
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else if (direction == GDK_SCROLL_LEFT)
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direction = GDK_SCROLL_RIGHT;
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/* Switch side scroll to vertical */
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if (direction == GDK_SCROLL_RIGHT)
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direction = GDK_SCROLL_UP;
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else if (direction == GDK_SCROLL_LEFT)
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direction = GDK_SCROLL_DOWN;
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adj = gtk_range_get_adjustment (GTK_RANGE (bar->priv->scale));
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if (adj == bar->priv->zero_adjustment) {
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if (direction == GDK_SCROLL_UP)
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gvc_channel_bar_set_is_muted (bar, FALSE);
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value = gtk_adjustment_get_value (adj);
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if (direction == GDK_SCROLL_UP) {
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if (value + SCROLLSTEP > ADJUSTMENT_MAX)
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value = ADJUSTMENT_MAX;
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value = value + SCROLLSTEP;
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} else if (direction == GDK_SCROLL_DOWN) {
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if (value - SCROLLSTEP < 0)
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value = value - SCROLLSTEP;
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gvc_channel_bar_set_is_muted (bar, (value == 0.0));
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adj = gtk_range_get_adjustment (GTK_RANGE (bar->priv->scale));
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gtk_adjustment_set_value (adj, value);
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on_scale_scroll_event (GtkWidget *widget,
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GdkEventScroll *event,
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return gvc_channel_bar_scroll (bar, event->direction);
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on_zero_adjustment_value_changed (GtkAdjustment *adjustment,
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if (bar->priv->click_lock != FALSE) {
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value = gtk_adjustment_get_value (bar->priv->zero_adjustment);
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gtk_adjustment_set_value (bar->priv->adjustment, value);
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if (bar->priv->show_mute == FALSE) {
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/* this means the adjustment moved away from zero and
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* therefore we should unmute and set the volume. */
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gvc_channel_bar_set_is_muted (bar, value > 0.0);
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update_mute_button (GvcChannelBar *bar)
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if (bar->priv->show_mute) {
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gtk_widget_show (bar->priv->mute_button);
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gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (bar->priv->mute_button),
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bar->priv->is_muted);
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gtk_widget_hide (bar->priv->mute_button);
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if (bar->priv->is_muted) {
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/* If we aren't showing the mute button then
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* move slider to the zero. But we don't want to
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* change the adjustment. */
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g_signal_handlers_block_by_func (bar->priv->zero_adjustment,
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on_zero_adjustment_value_changed,
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gtk_adjustment_set_value (bar->priv->zero_adjustment, 0);
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g_signal_handlers_unblock_by_func (bar->priv->zero_adjustment,
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on_zero_adjustment_value_changed,
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gtk_range_set_adjustment (GTK_RANGE (bar->priv->scale),
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bar->priv->zero_adjustment);
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/* no longer muted so restore the original adjustment
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* and tell the front-end that the value changed */
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gtk_range_set_adjustment (GTK_RANGE (bar->priv->scale),
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bar->priv->adjustment);
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gtk_adjustment_value_changed (bar->priv->adjustment);
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gvc_channel_bar_set_is_muted (GvcChannelBar *bar,
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g_return_if_fail (GVC_IS_CHANNEL_BAR (bar));
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if (is_muted != bar->priv->is_muted) {
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/* Update our internal state before telling the
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* front-end about our changes */
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bar->priv->is_muted = is_muted;
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update_mute_button (bar);
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g_object_notify (G_OBJECT (bar), "is-muted");
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gvc_channel_bar_get_is_muted (GvcChannelBar *bar)
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g_return_val_if_fail (GVC_IS_CHANNEL_BAR (bar), FALSE);
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return bar->priv->is_muted;
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gvc_channel_bar_set_show_mute (GvcChannelBar *bar,
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g_return_if_fail (GVC_IS_CHANNEL_BAR (bar));
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if (show_mute != bar->priv->show_mute) {
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bar->priv->show_mute = show_mute;
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g_object_notify (G_OBJECT (bar), "show-mute");
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update_mute_button (bar);
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gvc_channel_bar_get_show_mute (GvcChannelBar *bar)
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g_return_val_if_fail (GVC_IS_CHANNEL_BAR (bar), FALSE);
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return bar->priv->show_mute;
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gvc_channel_bar_set_is_amplified (GvcChannelBar *bar, gboolean amplified)
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g_return_if_fail (GVC_IS_CHANNEL_BAR (bar));
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bar->priv->is_amplified = amplified;
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gtk_adjustment_set_upper (bar->priv->adjustment, ADJUSTMENT_MAX);
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gtk_adjustment_set_upper (bar->priv->zero_adjustment, ADJUSTMENT_MAX);
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gtk_scale_clear_marks (GTK_SCALE (bar->priv->scale));
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if (bar->priv->base_volume == ADJUSTMENT_MAX_NORMAL) {
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str = g_strdup_printf ("<small>%s</small>", C_("volume", "100%"));
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gtk_scale_add_mark (GTK_SCALE (bar->priv->scale), ADJUSTMENT_MAX_NORMAL,
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GTK_POS_BOTTOM, str);
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str = g_strdup_printf ("<small>%s</small>", C_("volume", "Unamplified"));
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gtk_scale_add_mark (GTK_SCALE (bar->priv->scale), bar->priv->base_volume,
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GTK_POS_BOTTOM, str);
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/* Only show 100% if it's higher than the base volume */
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if (bar->priv->base_volume < ADJUSTMENT_MAX_NORMAL) {
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str = g_strdup_printf ("<small>%s</small>", C_("volume", "100%"));
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gtk_scale_add_mark (GTK_SCALE (bar->priv->scale), ADJUSTMENT_MAX_NORMAL,
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GTK_POS_BOTTOM, str);
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gtk_alignment_set (GTK_ALIGNMENT (bar->priv->mute_box), 0.5, 0, 0, 0);
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gtk_misc_set_alignment (GTK_MISC (bar->priv->low_image), 0.5, 0.15);
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gtk_misc_set_alignment (GTK_MISC (bar->priv->high_image), 0.5, 0.15);
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gtk_misc_set_alignment (GTK_MISC (bar->priv->label), 0, 0);
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gtk_alignment_set (GTK_ALIGNMENT (bar->priv->mute_box), 0.5, 0.5, 0, 0);
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gtk_misc_set_alignment (GTK_MISC (bar->priv->low_image), 0.5, 0.5);
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gtk_misc_set_alignment (GTK_MISC (bar->priv->high_image), 0.5, 0.5);
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gtk_misc_set_alignment (GTK_MISC (bar->priv->label), 0, 0.5);
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gvc_channel_bar_get_ellipsize (GvcChannelBar *bar)
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g_return_val_if_fail (GVC_IS_CHANNEL_BAR (bar), FALSE);
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return gtk_label_get_ellipsize (GTK_LABEL (bar->priv->label)) != PANGO_ELLIPSIZE_NONE;
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gvc_channel_bar_set_ellipsize (GvcChannelBar *bar,
643
g_return_if_fail (GVC_IS_CHANNEL_BAR (bar));
646
gtk_label_set_ellipsize (GTK_LABEL (bar->priv->label), PANGO_ELLIPSIZE_END);
648
gtk_label_set_ellipsize (GTK_LABEL (bar->priv->label), PANGO_ELLIPSIZE_NONE);
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gvc_channel_bar_set_base_volume (GvcChannelBar *bar,
653
pa_volume_t base_volume)
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g_return_if_fail (GVC_IS_CHANNEL_BAR (bar));
657
if (base_volume == 0) {
658
bar->priv->base_volume = ADJUSTMENT_MAX_NORMAL;
662
/* Note that you need to call _is_amplified() afterwards to update the marks */
663
bar->priv->base_volume = base_volume;
667
gvc_channel_bar_set_property (GObject *object,
672
GvcChannelBar *self = GVC_CHANNEL_BAR (object);
675
case PROP_ORIENTATION:
676
gvc_channel_bar_set_orientation (self, g_value_get_enum (value));
679
gvc_channel_bar_set_is_muted (self, g_value_get_boolean (value));
682
gvc_channel_bar_set_show_mute (self, g_value_get_boolean (value));
685
gvc_channel_bar_set_name (self, g_value_get_string (value));
688
gvc_channel_bar_set_icon_name (self, g_value_get_string (value));
690
case PROP_LOW_ICON_NAME:
691
gvc_channel_bar_set_low_icon_name (self, g_value_get_string (value));
693
case PROP_HIGH_ICON_NAME:
694
gvc_channel_bar_set_high_icon_name (self, g_value_get_string (value));
696
case PROP_ADJUSTMENT:
697
gvc_channel_bar_set_adjustment (self, g_value_get_object (value));
699
case PROP_IS_AMPLIFIED:
700
gvc_channel_bar_set_is_amplified (self, g_value_get_boolean (value));
703
gvc_channel_bar_set_ellipsize (self, g_value_get_boolean (value));
706
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
712
gvc_channel_bar_get_property (GObject *object,
717
GvcChannelBar *self = GVC_CHANNEL_BAR (object);
718
GvcChannelBarPrivate *priv = self->priv;
721
case PROP_ORIENTATION:
722
g_value_set_enum (value, priv->orientation);
725
g_value_set_boolean (value, priv->is_muted);
728
g_value_set_boolean (value, priv->show_mute);
731
g_value_set_string (value, priv->name);
734
g_value_set_string (value, priv->icon_name);
736
case PROP_LOW_ICON_NAME:
737
g_value_set_string (value, priv->low_icon_name);
739
case PROP_HIGH_ICON_NAME:
740
g_value_set_string (value, priv->high_icon_name);
742
case PROP_ADJUSTMENT:
743
g_value_set_object (value, gvc_channel_bar_get_adjustment (self));
745
case PROP_IS_AMPLIFIED:
746
g_value_set_boolean (value, priv->is_amplified);
749
g_value_set_boolean (value, gvc_channel_bar_get_ellipsize (self));
752
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
758
gvc_channel_bar_constructor (GType type,
759
guint n_construct_properties,
760
GObjectConstructParam *construct_params)
765
object = G_OBJECT_CLASS (gvc_channel_bar_parent_class)->constructor (type, n_construct_properties, construct_params);
767
self = GVC_CHANNEL_BAR (object);
769
update_mute_button (self);
775
gvc_channel_bar_class_init (GvcChannelBarClass *klass)
777
GObjectClass *object_class = G_OBJECT_CLASS (klass);
779
object_class->constructor = gvc_channel_bar_constructor;
780
object_class->finalize = gvc_channel_bar_finalize;
781
object_class->set_property = gvc_channel_bar_set_property;
782
object_class->get_property = gvc_channel_bar_get_property;
784
g_object_class_install_property (object_class,
786
g_param_spec_enum ("orientation",
788
"The orientation of the scale",
789
GTK_TYPE_ORIENTATION,
790
GTK_ORIENTATION_VERTICAL,
792
g_object_class_install_property (object_class,
794
g_param_spec_boolean ("is-muted",
796
"Whether stream is muted",
798
G_PARAM_READWRITE|G_PARAM_CONSTRUCT));
799
g_object_class_install_property (object_class,
801
g_param_spec_boolean ("show-mute",
803
"Whether stream is muted",
805
G_PARAM_READWRITE|G_PARAM_CONSTRUCT));
807
g_object_class_install_property (object_class,
809
g_param_spec_object ("adjustment",
811
"The GtkAdjustment that contains the current value of this scale button object",
814
g_object_class_install_property (object_class,
816
g_param_spec_string ("name",
818
"Name to display for this stream",
820
G_PARAM_READWRITE|G_PARAM_CONSTRUCT));
821
g_object_class_install_property (object_class,
823
g_param_spec_string ("icon-name",
825
"Name of icon to display for this stream",
827
G_PARAM_READWRITE|G_PARAM_CONSTRUCT));
828
g_object_class_install_property (object_class,
830
g_param_spec_string ("low-icon-name",
832
"Name of icon to display for this stream",
833
"audio-volume-low-symbolic",
834
G_PARAM_READWRITE|G_PARAM_CONSTRUCT));
835
g_object_class_install_property (object_class,
837
g_param_spec_string ("high-icon-name",
839
"Name of icon to display for this stream",
840
"audio-volume-high-symbolic",
841
G_PARAM_READWRITE|G_PARAM_CONSTRUCT));
842
g_object_class_install_property (object_class,
844
g_param_spec_boolean ("is-amplified",
846
"Whether the stream is digitally amplified",
848
G_PARAM_READWRITE|G_PARAM_CONSTRUCT));
849
g_object_class_install_property (object_class,
851
g_param_spec_boolean ("ellipsize",
852
"Label is ellipsized",
853
"Whether the label is ellipsized",
855
G_PARAM_READWRITE|G_PARAM_CONSTRUCT));
856
g_type_class_add_private (klass, sizeof (GvcChannelBarPrivate));
860
on_mute_button_toggled (GtkToggleButton *button,
864
is_muted = gtk_toggle_button_get_active (button);
865
gvc_channel_bar_set_is_muted (bar, is_muted);
869
gvc_channel_bar_init (GvcChannelBar *bar)
873
bar->priv = GVC_CHANNEL_BAR_GET_PRIVATE (bar);
875
bar->priv->base_volume = ADJUSTMENT_MAX_NORMAL;
876
bar->priv->low_icon_name = g_strdup ("audio-volume-low-symbolic");
877
bar->priv->high_icon_name = g_strdup ("audio-volume-high-symbolic");
879
bar->priv->orientation = GTK_ORIENTATION_VERTICAL;
880
bar->priv->adjustment = GTK_ADJUSTMENT (gtk_adjustment_new (0.0,
882
ADJUSTMENT_MAX_NORMAL,
883
ADJUSTMENT_MAX_NORMAL/100.0,
884
ADJUSTMENT_MAX_NORMAL/10.0,
886
g_object_ref_sink (bar->priv->adjustment);
888
bar->priv->zero_adjustment = GTK_ADJUSTMENT (gtk_adjustment_new (0.0,
890
ADJUSTMENT_MAX_NORMAL,
891
ADJUSTMENT_MAX_NORMAL/100.0,
892
ADJUSTMENT_MAX_NORMAL/10.0,
894
g_object_ref_sink (bar->priv->zero_adjustment);
896
g_signal_connect (bar->priv->zero_adjustment,
898
G_CALLBACK (on_zero_adjustment_value_changed),
901
bar->priv->mute_button = gtk_check_button_new_with_label (_("Mute"));
902
gtk_widget_set_no_show_all (bar->priv->mute_button, TRUE);
903
g_signal_connect (bar->priv->mute_button,
905
G_CALLBACK (on_mute_button_toggled),
907
bar->priv->mute_box = gtk_alignment_new (0.5, 0.5, 0, 0);
908
gtk_container_add (GTK_CONTAINER (bar->priv->mute_box), bar->priv->mute_button);
910
bar->priv->low_image = gtk_image_new_from_icon_name ("audio-volume-low-symbolic",
912
gtk_widget_set_no_show_all (bar->priv->low_image, TRUE);
913
bar->priv->high_image = gtk_image_new_from_icon_name ("audio-volume-high-symbolic",
915
gtk_widget_set_no_show_all (bar->priv->high_image, TRUE);
917
bar->priv->image = gtk_image_new ();
918
gtk_widget_set_no_show_all (bar->priv->image, TRUE);
920
bar->priv->label = gtk_label_new (NULL);
921
gtk_misc_set_alignment (GTK_MISC (bar->priv->label), 0.0, 0.5);
922
gtk_widget_set_no_show_all (bar->priv->label, TRUE);
925
frame = gtk_frame_new (NULL);
926
gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_NONE);
927
gtk_container_add (GTK_CONTAINER (bar), frame);
928
gtk_widget_show_all (frame);
931
bar->priv->scale_box = _scale_box_new (bar);
933
gtk_container_add (GTK_CONTAINER (frame), bar->priv->scale_box);
937
gvc_channel_bar_finalize (GObject *object)
939
GvcChannelBar *channel_bar;
941
g_return_if_fail (object != NULL);
942
g_return_if_fail (GVC_IS_CHANNEL_BAR (object));
944
channel_bar = GVC_CHANNEL_BAR (object);
946
g_return_if_fail (channel_bar->priv != NULL);
948
g_free (channel_bar->priv->name);
949
g_free (channel_bar->priv->icon_name);
950
g_free (channel_bar->priv->low_icon_name);
951
g_free (channel_bar->priv->high_icon_name);
953
G_OBJECT_CLASS (gvc_channel_bar_parent_class)->finalize (object);
957
gvc_channel_bar_new (void)
960
bar = g_object_new (GVC_TYPE_CHANNEL_BAR,
962
return GTK_WIDGET (bar);