| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | /* | ||
| 2 | * Copyright (C) 2018 Canonical Ltd. | ||
| 3 | * | ||
| 4 | * This program is free software; you can redistribute it and/or | ||
| 5 | * modify it under the terms of the GNU General Public License as | ||
| 6 | * published by the Free Software Foundation; either version 2 of the | ||
| 7 | * License, or (at your option) any later version. | ||
| 8 | * | ||
| 9 | * This program is distributed in the hope that it will be useful, but | ||
| 10 | * WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
| 12 | * Lesser General Public License for more details. | ||
| 13 | * | ||
| 14 | * You should have received a copy of the GNU General Public License | ||
| 15 | * along with this program; if not, see <http://www.gnu.org/licenses/>. | ||
| 16 | */ | ||
| 17 | |||
| 18 | #include <pulse/pulseaudio.h> | ||
| 19 | #include <gvc-mixer-control.h> | ||
| 20 | |||
| 21 | #include "cc-sound-resources.h" | ||
| 22 | #include "cc-subwoofer-slider.h" | ||
| 23 | #include "gvc-channel-map-private.h" | ||
| 24 | |||
| 25 | struct _CcSubwooferSlider | ||
| 26 | { | ||
| 27 | GtkWidget parent_instance; | ||
| 28 | |||
| 29 | GtkWidget *scale; | ||
| 30 | GtkAdjustment *adjustment; | ||
| 31 | |||
| 32 | GvcChannelMap *channel_map; | ||
| 33 | guint volume_changed_handler_id; | ||
| 34 | }; | ||
| 35 | |||
| 36 | ✗ | G_DEFINE_TYPE (CcSubwooferSlider, cc_subwoofer_slider, GTK_TYPE_WIDGET) | |
| 37 | |||
| 38 | static void | ||
| 39 | ✗ | changed_cb (CcSubwooferSlider *self) | |
| 40 | { | ||
| 41 | gdouble value; | ||
| 42 | const pa_channel_map *pa_map; | ||
| 43 | pa_cvolume pa_volume; | ||
| 44 | |||
| 45 | ✗ | if (self->channel_map == NULL) | |
| 46 | ✗ | return; | |
| 47 | |||
| 48 | ✗ | value = gtk_adjustment_get_value (self->adjustment); | |
| 49 | ✗ | pa_map = gvc_channel_map_get_pa_channel_map (self->channel_map); | |
| 50 | ✗ | pa_volume = *gvc_channel_map_get_cvolume (self->channel_map); | |
| 51 | ✗ | pa_cvolume_set_position (&pa_volume, pa_map, PA_CHANNEL_POSITION_LFE, value); | |
| 52 | ✗ | gvc_channel_map_volume_changed (self->channel_map, &pa_volume, TRUE); | |
| 53 | } | ||
| 54 | |||
| 55 | static void | ||
| 56 | ✗ | volume_changed_cb (CcSubwooferSlider *self) | |
| 57 | { | ||
| 58 | const gdouble *volumes; | ||
| 59 | |||
| 60 | ✗ | volumes = gvc_channel_map_get_volume (self->channel_map); | |
| 61 | ✗ | g_signal_handlers_block_by_func (self->adjustment, volume_changed_cb, self); | |
| 62 | ✗ | gtk_adjustment_set_value (self->adjustment, volumes[LFE]); | |
| 63 | ✗ | g_signal_handlers_unblock_by_func (self->adjustment, volume_changed_cb, self); | |
| 64 | ✗ | } | |
| 65 | |||
| 66 | static void | ||
| 67 | ✗ | cc_subwoofer_slider_dispose (GObject *object) | |
| 68 | { | ||
| 69 | ✗ | CcSubwooferSlider *self = CC_SUBWOOFER_SLIDER (object); | |
| 70 | |||
| 71 | ✗ | g_clear_pointer (&self->scale, gtk_widget_unparent); | |
| 72 | |||
| 73 | ✗ | g_clear_object (&self->channel_map); | |
| 74 | |||
| 75 | ✗ | G_OBJECT_CLASS (cc_subwoofer_slider_parent_class)->dispose (object); | |
| 76 | ✗ | } | |
| 77 | |||
| 78 | void | ||
| 79 | ✗ | cc_subwoofer_slider_class_init (CcSubwooferSliderClass *klass) | |
| 80 | { | ||
| 81 | ✗ | GObjectClass *object_class = G_OBJECT_CLASS (klass); | |
| 82 | ✗ | GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass); | |
| 83 | |||
| 84 | ✗ | object_class->dispose = cc_subwoofer_slider_dispose; | |
| 85 | |||
| 86 | ✗ | gtk_widget_class_set_template_from_resource (widget_class, "/org/gnome/control-center/sound/cc-subwoofer-slider.ui"); | |
| 87 | |||
| 88 | ✗ | gtk_widget_class_bind_template_child (widget_class, CcSubwooferSlider, scale); | |
| 89 | ✗ | gtk_widget_class_bind_template_child (widget_class, CcSubwooferSlider, adjustment); | |
| 90 | |||
| 91 | ✗ | gtk_widget_class_bind_template_callback (widget_class, changed_cb); | |
| 92 | |||
| 93 | ✗ | gtk_widget_class_set_layout_manager_type (widget_class, GTK_TYPE_BIN_LAYOUT); | |
| 94 | ✗ | } | |
| 95 | |||
| 96 | void | ||
| 97 | ✗ | cc_subwoofer_slider_init (CcSubwooferSlider *self) | |
| 98 | { | ||
| 99 | ✗ | g_resources_register (cc_sound_get_resource ()); | |
| 100 | |||
| 101 | ✗ | gtk_widget_init_template (GTK_WIDGET (self)); | |
| 102 | ✗ | } | |
| 103 | |||
| 104 | void | ||
| 105 | ✗ | cc_subwoofer_slider_set_mixer_control (CcSubwooferSlider *self, | |
| 106 | GvcMixerControl *mixer_control) | ||
| 107 | { | ||
| 108 | gdouble vol_max_norm; | ||
| 109 | |||
| 110 | ✗ | g_return_if_fail (CC_IS_SUBWOOFER_SLIDER (self)); | |
| 111 | |||
| 112 | ✗ | vol_max_norm = gvc_mixer_control_get_vol_max_norm (mixer_control); | |
| 113 | ✗ | gtk_adjustment_set_upper (self->adjustment, vol_max_norm); | |
| 114 | ✗ | gtk_adjustment_set_page_increment (self->adjustment, vol_max_norm / 10.0); | |
| 115 | ✗ | gtk_adjustment_set_step_increment (self->adjustment, vol_max_norm / 100.0); | |
| 116 | } | ||
| 117 | |||
| 118 | void | ||
| 119 | ✗ | cc_subwoofer_slider_set_channel_map (CcSubwooferSlider *self, | |
| 120 | GvcChannelMap *channel_map) | ||
| 121 | { | ||
| 122 | ✗ | g_return_if_fail (CC_IS_SUBWOOFER_SLIDER (self)); | |
| 123 | |||
| 124 | ✗ | if (self->channel_map != NULL) | |
| 125 | { | ||
| 126 | ✗ | g_signal_handler_disconnect (self->channel_map, self->volume_changed_handler_id); | |
| 127 | ✗ | self->volume_changed_handler_id = 0; | |
| 128 | } | ||
| 129 | ✗ | g_clear_object (&self->channel_map); | |
| 130 | |||
| 131 | ✗ | if (channel_map != NULL) | |
| 132 | { | ||
| 133 | ✗ | self->channel_map = g_object_ref (channel_map); | |
| 134 | |||
| 135 | ✗ | self->volume_changed_handler_id = g_signal_connect_object (channel_map, | |
| 136 | "volume-changed", | ||
| 137 | G_CALLBACK (volume_changed_cb), | ||
| 138 | self, G_CONNECT_SWAPPED); | ||
| 139 | ✗ | volume_changed_cb (self); | |
| 140 | } | ||
| 141 | } | ||
| 142 |