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-rw-r--r--panels/sound/gvc-balance-bar.c543
1 files changed, 0 insertions, 543 deletions
diff --git a/panels/sound/gvc-balance-bar.c b/panels/sound/gvc-balance-bar.c
deleted file mode 100644
index 063b99736..000000000
--- a/panels/sound/gvc-balance-bar.c
+++ /dev/null
@@ -1,543 +0,0 @@
-/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
- *
- * Copyright (C) 2008 William Jon McCann
- *
- * 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, see <http://www.gnu.org/licenses/>.
- *
- */
-
-#include "config.h"
-
-#include <stdlib.h>
-#include <stdio.h>
-#include <unistd.h>
-
-#include <glib.h>
-#include <glib/gi18n-lib.h>
-#include <gtk/gtk.h>
-#include <canberra-gtk.h>
-#include <pulse/pulseaudio.h>
-
-#include "gvc-balance-bar.h"
-#include "gvc-channel-map-private.h"
-
-#define SCALE_SIZE 128
-#define ADJUSTMENT_MAX_NORMAL 65536.0 /* PA_VOLUME_NORM */
-
-struct _GvcBalanceBar
-{
- GtkBox parent_instance;
-
- GvcChannelMap *channel_map;
- GvcBalanceType btype;
- GtkWidget *scale_box;
- GtkWidget *start_box;
- GtkWidget *end_box;
- GtkWidget *label;
- GtkWidget *scale;
- GtkAdjustment *adjustment;
- GtkSizeGroup *size_group;
- gboolean symmetric;
- gboolean click_lock;
-};
-
-enum
-{
- PROP_0,
- PROP_CHANNEL_MAP,
- PROP_BALANCE_TYPE,
-};
-
-static void gvc_balance_bar_class_init (GvcBalanceBarClass *klass);
-static void gvc_balance_bar_init (GvcBalanceBar *balance_bar);
-static void gvc_balance_bar_finalize (GObject *object);
-
-static gboolean on_scale_button_press_event (GtkWidget *widget,
- GdkEventButton *event,
- GvcBalanceBar *bar);
-static gboolean on_scale_button_release_event (GtkWidget *widget,
- GdkEventButton *event,
- GvcBalanceBar *bar);
-static gboolean on_scale_scroll_event (GtkWidget *widget,
- GdkEventScroll *event,
- GvcBalanceBar *bar);
-static void on_adjustment_value_changed (GtkAdjustment *adjustment,
- GvcBalanceBar *bar);
-
-G_DEFINE_TYPE (GvcBalanceBar, gvc_balance_bar, GTK_TYPE_BOX)
-
-static GtkWidget *
-_scale_box_new (GvcBalanceBar *bar)
-{
- GtkWidget *box;
- GtkWidget *sbox;
- GtkWidget *ebox;
- GtkAdjustment *adjustment = bar->adjustment;
- char *str_lower, *str_upper;
- gdouble lower, upper;
-
- bar->scale_box = box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6);
- bar->scale = gtk_scale_new (GTK_ORIENTATION_HORIZONTAL, bar->adjustment);
- gtk_widget_show (bar->scale);
- gtk_scale_set_has_origin (GTK_SCALE (bar->scale), FALSE);
- gtk_widget_set_size_request (bar->scale, SCALE_SIZE, -1);
-
- bar->start_box = sbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6);
- gtk_widget_show (sbox);
- gtk_box_pack_start (GTK_BOX (box), sbox, FALSE, FALSE, 0);
-
- gtk_box_pack_start (GTK_BOX (sbox), bar->label, FALSE, FALSE, 0);
-
- gtk_box_pack_start (GTK_BOX (box), bar->scale, TRUE, TRUE, 0);
-
- switch (bar->btype) {
- case BALANCE_TYPE_RL:
- str_lower = g_strdup_printf ("<small>%s</small>", C_("balance", "Left"));
- str_upper = g_strdup_printf ("<small>%s</small>", C_("balance", "Right"));
- break;
- case BALANCE_TYPE_FR:
- str_lower = g_strdup_printf ("<small>%s</small>", C_("balance", "Rear"));
- str_upper = g_strdup_printf ("<small>%s</small>", C_("balance", "Front"));
- break;
- case BALANCE_TYPE_LFE:
- str_lower = g_strdup_printf ("<small>%s</small>", C_("balance", "Minimum"));
- str_upper = g_strdup_printf ("<small>%s</small>", C_("balance", "Maximum"));
- break;
- default:
- g_assert_not_reached ();
- }
-
- lower = gtk_adjustment_get_lower (adjustment);
- gtk_scale_add_mark (GTK_SCALE (bar->scale), lower,
- GTK_POS_BOTTOM, str_lower);
- g_free (str_lower);
- upper = gtk_adjustment_get_upper (adjustment);
- gtk_scale_add_mark (GTK_SCALE (bar->scale), upper,
- GTK_POS_BOTTOM, str_upper);
- g_free (str_upper);
-
- if (bar->btype != BALANCE_TYPE_LFE) {
- gtk_scale_add_mark (GTK_SCALE (bar->scale),
- (upper - lower)/2 + lower,
- GTK_POS_BOTTOM, NULL);
- }
-
- bar->end_box = ebox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6);
- gtk_widget_show (ebox);
- gtk_box_pack_start (GTK_BOX (box), ebox, FALSE, FALSE, 0);
-
- ca_gtk_widget_disable_sounds (bar->scale, FALSE);
- gtk_widget_add_events (bar->scale, GDK_SCROLL_MASK);
-
- g_signal_connect (G_OBJECT (bar->scale), "button-press-event",
- G_CALLBACK (on_scale_button_press_event), bar);
- g_signal_connect (G_OBJECT (bar->scale), "button-release-event",
- G_CALLBACK (on_scale_button_release_event), bar);
- g_signal_connect (G_OBJECT (bar->scale), "scroll-event",
- G_CALLBACK (on_scale_scroll_event), bar);
-
- if (bar->size_group != NULL) {
- gtk_size_group_add_widget (bar->size_group, sbox);
-
- if (bar->symmetric) {
- gtk_size_group_add_widget (bar->size_group, ebox);
- }
- }
-
- gtk_scale_set_draw_value (GTK_SCALE (bar->scale), FALSE);
-
- return box;
-}
-
-void
-gvc_balance_bar_set_size_group (GvcBalanceBar *bar,
- GtkSizeGroup *group,
- gboolean symmetric)
-{
- g_return_if_fail (GVC_IS_BALANCE_BAR (bar));
-
- bar->size_group = group;
- bar->symmetric = symmetric;
-
- if (bar->size_group != NULL) {
- gtk_size_group_add_widget (bar->size_group,
- bar->start_box);
-
- if (bar->symmetric) {
- gtk_size_group_add_widget (bar->size_group,
- bar->end_box);
- }
- }
- gtk_widget_queue_draw (GTK_WIDGET (bar));
-}
-
-static const char *
-btype_to_string (guint btype)
-{
- switch (btype) {
- case BALANCE_TYPE_RL:
- return "Balance";
- case BALANCE_TYPE_FR:
- return "Fade";
- break;
- case BALANCE_TYPE_LFE:
- return "LFE";
- default:
- g_assert_not_reached ();
- }
- return NULL;
-}
-
-static void
-update_level_from_map (GvcBalanceBar *bar,
- GvcChannelMap *map)
-{
- const gdouble *volumes;
- gdouble val;
-
- g_debug ("Volume changed (for %s bar)", btype_to_string (bar->btype));
-
- volumes = gvc_channel_map_get_volume (map);
- switch (bar->btype) {
- case BALANCE_TYPE_RL:
- val = volumes[BALANCE];
- break;
- case BALANCE_TYPE_FR:
- val = volumes[FADE];
- break;
- case BALANCE_TYPE_LFE:
- val = volumes[LFE];
- break;
- default:
- g_assert_not_reached ();
- }
-
- gtk_adjustment_set_value (bar->adjustment, val);
-}
-
-static void
-on_channel_map_volume_changed (GvcChannelMap *map,
- gboolean set,
- GvcBalanceBar *bar)
-{
- update_level_from_map (bar, map);
-}
-
-static void
-gvc_balance_bar_set_channel_map (GvcBalanceBar *bar,
- GvcChannelMap *map)
-{
- g_return_if_fail (GVC_BALANCE_BAR (bar));
-
- if (bar->channel_map != NULL) {
- g_signal_handlers_disconnect_by_func (G_OBJECT (bar->channel_map),
- on_channel_map_volume_changed, bar);
- g_object_unref (bar->channel_map);
- }
- bar->channel_map = g_object_ref (map);
-
- update_level_from_map (bar, map);
-
- g_signal_connect (G_OBJECT (map), "volume-changed",
- G_CALLBACK (on_channel_map_volume_changed), bar);
-
- g_object_notify (G_OBJECT (bar), "channel-map");
-}
-
-static void
-gvc_balance_bar_set_balance_type (GvcBalanceBar *bar,
- GvcBalanceType btype)
-{
- GtkWidget *frame;
-
- g_return_if_fail (GVC_BALANCE_BAR (bar));
-
- bar->btype = btype;
- if (bar->btype != BALANCE_TYPE_LFE) {
- bar->adjustment = GTK_ADJUSTMENT (gtk_adjustment_new (0.0,
- -1.0,
- 1.0,
- 0.5,
- 0.5,
- 0.0));
- } else {
- bar->adjustment = GTK_ADJUSTMENT (gtk_adjustment_new (0.0,
- 0.0,
- ADJUSTMENT_MAX_NORMAL,
- ADJUSTMENT_MAX_NORMAL/100.0,
- ADJUSTMENT_MAX_NORMAL/10.0,
- 0.0));
- }
-
- g_object_ref_sink (bar->adjustment);
- g_signal_connect (bar->adjustment,
- "value-changed",
- G_CALLBACK (on_adjustment_value_changed),
- bar);
-
- switch (btype) {
- case BALANCE_TYPE_RL:
- bar->label = gtk_label_new_with_mnemonic (_("_Balance:"));
- break;
- case BALANCE_TYPE_FR:
- bar->label = gtk_label_new_with_mnemonic (_("_Fade:"));
- break;
- case BALANCE_TYPE_LFE:
- bar->label = gtk_label_new_with_mnemonic (_("_Subwoofer:"));
- break;
- default:
- g_assert_not_reached ();
- }
- gtk_widget_show (bar->label);
- gtk_widget_set_halign (bar->label, GTK_ALIGN_START);
- gtk_widget_set_valign (bar->label, GTK_ALIGN_START);
-
- /* frame */
- frame = gtk_frame_new (NULL);
- gtk_widget_show (frame);
- gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_NONE);
- gtk_box_pack_start (GTK_BOX (bar), frame, TRUE, TRUE, 0);
-
- /* box with scale */
- bar->scale_box = _scale_box_new (bar);
- gtk_widget_show (bar->scale_box);
- gtk_container_add (GTK_CONTAINER (frame), bar->scale_box);
-
- gtk_widget_set_direction (bar->scale, GTK_TEXT_DIR_LTR);
- gtk_label_set_mnemonic_widget (GTK_LABEL (bar->label),
- bar->scale);
-
- g_object_notify (G_OBJECT (bar), "balance-type");
-}
-
-static void
-gvc_balance_bar_set_property (GObject *object,
- guint prop_id,
- const GValue *value,
- GParamSpec *pspec)
-{
- GvcBalanceBar *self = GVC_BALANCE_BAR (object);
-
- switch (prop_id) {
- case PROP_CHANNEL_MAP:
- gvc_balance_bar_set_channel_map (self, g_value_get_object (value));
- break;
- case PROP_BALANCE_TYPE:
- gvc_balance_bar_set_balance_type (self, g_value_get_int (value));
- break;
- default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
- break;
- }
-}
-
-static void
-gvc_balance_bar_get_property (GObject *object,
- guint prop_id,
- GValue *value,
- GParamSpec *pspec)
-{
- GvcBalanceBar *self = GVC_BALANCE_BAR (object);
-
- switch (prop_id) {
- case PROP_CHANNEL_MAP:
- g_value_set_object (value, self->channel_map);
- break;
- default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
- break;
- }
-}
-
-static GObject *
-gvc_balance_bar_constructor (GType type,
- guint n_construct_properties,
- GObjectConstructParam *construct_params)
-{
- return G_OBJECT_CLASS (gvc_balance_bar_parent_class)->constructor (type, n_construct_properties, construct_params);
-}
-
-static void
-gvc_balance_bar_class_init (GvcBalanceBarClass *klass)
-{
- GObjectClass *object_class = G_OBJECT_CLASS (klass);
-
- object_class->constructor = gvc_balance_bar_constructor;
- object_class->finalize = gvc_balance_bar_finalize;
- object_class->set_property = gvc_balance_bar_set_property;
- object_class->get_property = gvc_balance_bar_get_property;
-
- g_object_class_install_property (object_class,
- PROP_CHANNEL_MAP,
- g_param_spec_object ("channel-map",
- "channel map",
- "The channel map",
- GVC_TYPE_CHANNEL_MAP,
- G_PARAM_READWRITE));
- g_object_class_install_property (object_class,
- PROP_BALANCE_TYPE,
- g_param_spec_int ("balance-type",
- "balance type",
- "Whether the balance is right-left or front-rear",
- BALANCE_TYPE_RL, NUM_BALANCE_TYPES - 1, BALANCE_TYPE_RL,
- G_PARAM_READWRITE|G_PARAM_CONSTRUCT_ONLY));
-}
-
-
-static gboolean
-on_scale_button_press_event (GtkWidget *widget,
- GdkEventButton *event,
- GvcBalanceBar *bar)
-{
- bar->click_lock = TRUE;
-
- return FALSE;
-}
-
-static gboolean
-on_scale_button_release_event (GtkWidget *widget,
- GdkEventButton *event,
- GvcBalanceBar *bar)
-{
- bar->click_lock = FALSE;
-
- return FALSE;
-}
-
-static gboolean
-on_scale_scroll_event (GtkWidget *widget,
- GdkEventScroll *event,
- GvcBalanceBar *bar)
-{
- gdouble value;
- gdouble dx, dy;
-
- value = gtk_adjustment_get_value (bar->adjustment);
-
- if (!gdk_event_get_scroll_deltas ((GdkEvent*)event, &dx, &dy)) {
- dx = 0.0;
- dy = 0.0;
-
- switch (event->direction) {
- case GDK_SCROLL_UP:
- case GDK_SCROLL_RIGHT:
- dy = 1.0;
- break;
- case GDK_SCROLL_DOWN:
- case GDK_SCROLL_LEFT:
- dy = -1.0;
- break;
- default:
- ;
- }
- }
-
- if (bar->btype == BALANCE_TYPE_LFE) {
- if (dy > 0) {
- if (value + dy * ADJUSTMENT_MAX_NORMAL/100.0 > ADJUSTMENT_MAX_NORMAL)
- value = ADJUSTMENT_MAX_NORMAL;
- else
- value = value + dy * ADJUSTMENT_MAX_NORMAL/100.0;
- } else if (dy < 0) {
- if (value + dy * ADJUSTMENT_MAX_NORMAL/100.0 < 0)
- value = 0.0;
- else
- value = value + dy * ADJUSTMENT_MAX_NORMAL/100.0;
- }
- } else {
- if (dy > 0) {
- if (value + dy * 0.01 > 1.0)
- value = 1.0;
- else
- value = value + dy * 0.01;
- } else if (dy < 0) {
- if (value + dy * 0.01 < -1.0)
- value = -1.0;
- else
- value = value + dy * 0.01;
- }
- }
- gtk_adjustment_set_value (bar->adjustment, value);
-
- return TRUE;
-}
-
-static void
-on_adjustment_value_changed (GtkAdjustment *adjustment,
- GvcBalanceBar *bar)
-{
- gdouble val;
- pa_cvolume cv;
- const pa_channel_map *pa_map;
-
- if (bar->channel_map == NULL)
- return;
-
- cv = *gvc_channel_map_get_cvolume (bar->channel_map);
- val = gtk_adjustment_get_value (adjustment);
-
- pa_map = gvc_channel_map_get_pa_channel_map (bar->channel_map);
-
- switch (bar->btype) {
- case BALANCE_TYPE_RL:
- pa_cvolume_set_balance (&cv, pa_map, val);
- break;
- case BALANCE_TYPE_FR:
- pa_cvolume_set_fade (&cv, pa_map, val);
- break;
- case BALANCE_TYPE_LFE:
- pa_cvolume_set_position (&cv, pa_map, PA_CHANNEL_POSITION_LFE, val);
- break;
- }
-
- gvc_channel_map_volume_changed (bar->channel_map, &cv, TRUE);
-}
-
-static void
-gvc_balance_bar_init (GvcBalanceBar *bar)
-{
-}
-
-static void
-gvc_balance_bar_finalize (GObject *object)
-{
- GvcBalanceBar *bar;
-
- g_return_if_fail (object != NULL);
- g_return_if_fail (GVC_IS_BALANCE_BAR (object));
-
- bar = GVC_BALANCE_BAR (object);
-
- g_return_if_fail (bar != NULL);
-
- if (bar->channel_map != NULL) {
- g_signal_handlers_disconnect_by_func (G_OBJECT (bar->channel_map),
- on_channel_map_volume_changed, bar);
- g_object_unref (bar->channel_map);
- }
-
- G_OBJECT_CLASS (gvc_balance_bar_parent_class)->finalize (object);
-}
-
-GtkWidget *
-gvc_balance_bar_new (const GvcChannelMap *channel_map, GvcBalanceType btype)
-{
- GObject *bar;
- bar = g_object_new (GVC_TYPE_BALANCE_BAR,
- "channel-map", channel_map,
- "balance-type", btype,
- "orientation", GTK_ORIENTATION_HORIZONTAL,
- NULL);
- return GTK_WIDGET (bar);
-}
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