diff options
Diffstat (limited to 'mate-volume-control/src/gvc-channel-bar.c')
| -rw-r--r-- | mate-volume-control/src/gvc-channel-bar.c | 1158 |
1 files changed, 0 insertions, 1158 deletions
diff --git a/mate-volume-control/src/gvc-channel-bar.c b/mate-volume-control/src/gvc-channel-bar.c deleted file mode 100644 index e431651..0000000 --- a/mate-volume-control/src/gvc-channel-bar.c +++ /dev/null @@ -1,1158 +0,0 @@ -/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*- - * - * Copyright (C) 2008 William Jon McCann - * Copyright (C) 2014 Michal Ratajsky <[email protected]> - * - * 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, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. - * - */ - -#include "config.h" - -#include <glib.h> -#include <glib/gi18n.h> -#include <glib-object.h> -#include <gtk/gtk.h> - -#include <canberra-gtk.h> -#include <libmatemixer/matemixer.h> - -#include "gvc-channel-bar.h" - -#define SCALE_SIZE 128 -#define GVC_CHANNEL_BAR_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), GVC_TYPE_CHANNEL_BAR, GvcChannelBarPrivate)) - -struct _GvcChannelBarPrivate -{ - GtkOrientation orientation; - GtkWidget *scale_box; - GtkWidget *start_box; - GtkWidget *end_box; - GtkWidget *image; - GtkWidget *label; - GtkWidget *low_image; - GtkWidget *scale; - GtkWidget *high_image; - GtkWidget *mute_box; - GtkWidget *mute_button; - GtkAdjustment *adjustment; - gboolean show_icons; - gboolean show_mute; - gboolean show_marks; - gboolean extended; - GtkSizeGroup *size_group; - gboolean symmetric; - gboolean click_lock; - MateMixerStreamControl *control; - MateMixerStreamControlFlags control_flags; -}; - -enum { - PROP_0, - PROP_CONTROL, - PROP_ORIENTATION, - PROP_SHOW_ICONS, - PROP_SHOW_MUTE, - PROP_SHOW_MARKS, - PROP_EXTENDED, - PROP_NAME, - PROP_ICON_NAME, - PROP_LOW_ICON_NAME, - PROP_HIGH_ICON_NAME, - N_PROPERTIES -}; - -static GParamSpec *properties[N_PROPERTIES] = { NULL, }; - -static void gvc_channel_bar_class_init (GvcChannelBarClass *klass); -static void gvc_channel_bar_init (GvcChannelBar *bar); - -static gboolean on_scale_button_press_event (GtkWidget *widget, - GdkEventButton *event, - GvcChannelBar *bar); -static gboolean on_scale_button_release_event (GtkWidget *widget, - GdkEventButton *event, - GvcChannelBar *bar); -static gboolean on_scale_scroll_event (GtkWidget *widget, - GdkEventScroll *event, - GvcChannelBar *bar); - -#if GTK_CHECK_VERSION (3, 0, 0) -G_DEFINE_TYPE (GvcChannelBar, gvc_channel_bar, GTK_TYPE_BOX) -#else -G_DEFINE_TYPE (GvcChannelBar, gvc_channel_bar, GTK_TYPE_HBOX) -#endif - -static void -create_scale_box (GvcChannelBar *bar) -{ -#if GTK_CHECK_VERSION (3, 0, 0) - bar->priv->scale_box = gtk_box_new (bar->priv->orientation, 6); - bar->priv->start_box = gtk_box_new (bar->priv->orientation, 6); - bar->priv->end_box = gtk_box_new (bar->priv->orientation, 6); - bar->priv->scale = gtk_scale_new (bar->priv->orientation, - bar->priv->adjustment); -#else - if (bar->priv->orientation == GTK_ORIENTATION_VERTICAL) { - bar->priv->scale_box = gtk_vbox_new (FALSE, 6); - bar->priv->start_box = gtk_vbox_new (FALSE, 6); - bar->priv->end_box = gtk_vbox_new (FALSE, 6); - bar->priv->scale = gtk_vscale_new (bar->priv->adjustment); - } else { - bar->priv->scale_box = gtk_hbox_new (FALSE, 6); - bar->priv->start_box = gtk_hbox_new (FALSE, 6); - bar->priv->end_box = gtk_hbox_new (FALSE, 6); - bar->priv->scale = gtk_hscale_new (bar->priv->adjustment); - } -#endif - if (bar->priv->orientation == GTK_ORIENTATION_VERTICAL) { - gtk_widget_set_size_request (bar->priv->scale, -1, SCALE_SIZE); - - gtk_range_set_inverted (GTK_RANGE (bar->priv->scale), TRUE); - - gtk_box_pack_start (GTK_BOX (bar->priv->scale_box), - bar->priv->start_box, - FALSE, FALSE, 0); - - gtk_box_pack_start (GTK_BOX (bar->priv->start_box), - bar->priv->image, - FALSE, FALSE, 0); - gtk_box_pack_start (GTK_BOX (bar->priv->start_box), - bar->priv->label, - FALSE, FALSE, 0); - gtk_box_pack_start (GTK_BOX (bar->priv->start_box), - bar->priv->high_image, - FALSE, FALSE, 0); - - gtk_box_pack_start (GTK_BOX (bar->priv->scale_box), - bar->priv->scale, - TRUE, TRUE, 0); - gtk_box_pack_start (GTK_BOX (bar->priv->scale_box), - bar->priv->end_box, - FALSE, FALSE, 0); - - gtk_box_pack_start (GTK_BOX (bar->priv->end_box), - bar->priv->low_image, - FALSE, FALSE, 0); - gtk_box_pack_start (GTK_BOX (bar->priv->end_box), - bar->priv->mute_box, - FALSE, FALSE, 0); - } else { - gtk_widget_set_size_request (bar->priv->scale, SCALE_SIZE, -1); - - gtk_box_pack_start (GTK_BOX (bar->priv->scale_box), - bar->priv->image, - FALSE, FALSE, 0); - gtk_box_pack_start (GTK_BOX (bar->priv->scale_box), - bar->priv->start_box, - FALSE, FALSE, 0); - - gtk_box_pack_end (GTK_BOX (bar->priv->start_box), - bar->priv->low_image, - FALSE, FALSE, 0); - - gtk_box_pack_start (GTK_BOX (bar->priv->start_box), - bar->priv->label, - TRUE, TRUE, 0); - - gtk_box_pack_start (GTK_BOX (bar->priv->scale_box), - bar->priv->scale, - TRUE, TRUE, 0); - gtk_box_pack_start (GTK_BOX (bar->priv->scale_box), - bar->priv->end_box, - FALSE, FALSE, 0); - - gtk_box_pack_start (GTK_BOX (bar->priv->end_box), - bar->priv->high_image, - FALSE, FALSE, 0); - gtk_box_pack_start (GTK_BOX (bar->priv->end_box), - bar->priv->mute_box, - FALSE, FALSE, 0); - } - - if (bar->priv->show_icons) { - gtk_widget_show (bar->priv->low_image); - gtk_widget_show (bar->priv->high_image); - } else { - gtk_widget_hide (bar->priv->low_image); - gtk_widget_hide (bar->priv->high_image); - } - - ca_gtk_widget_disable_sounds (bar->priv->scale, FALSE); - - gtk_widget_add_events (bar->priv->scale, GDK_SCROLL_MASK); - - g_signal_connect (G_OBJECT (bar->priv->scale), - "button-press-event", - G_CALLBACK (on_scale_button_press_event), - bar); - g_signal_connect (G_OBJECT (bar->priv->scale), - "button-release-event", - G_CALLBACK (on_scale_button_release_event), - bar); - g_signal_connect (G_OBJECT (bar->priv->scale), - "scroll-event", - G_CALLBACK (on_scale_scroll_event), - bar); - - if (bar->priv->size_group != NULL) { - gtk_size_group_add_widget (bar->priv->size_group, - bar->priv->start_box); - - if (bar->priv->symmetric) - gtk_size_group_add_widget (bar->priv->size_group, - bar->priv->end_box); - } - - gtk_scale_set_draw_value (GTK_SCALE (bar->priv->scale), FALSE); -} - -static void -on_adjustment_value_changed (GtkAdjustment *adjustment, - GvcChannelBar *bar) -{ - gdouble value; - gdouble lower; - - if (bar->priv->control == NULL || bar->priv->click_lock == TRUE) - return; - - value = gtk_adjustment_get_value (bar->priv->adjustment); - lower = gtk_adjustment_get_lower (bar->priv->adjustment); - - if (bar->priv->control_flags & MATE_MIXER_STREAM_CONTROL_MUTE_WRITABLE) - mate_mixer_stream_control_set_mute (bar->priv->control, (value <= lower)); - - if (bar->priv->control_flags & MATE_MIXER_STREAM_CONTROL_VOLUME_WRITABLE) - mate_mixer_stream_control_set_volume (bar->priv->control, (guint) value); -} - -static void -on_mute_button_toggled (GtkToggleButton *button, GvcChannelBar *bar) -{ - gboolean mute; - - mute = gtk_toggle_button_get_active (button); - - mate_mixer_stream_control_set_mute (bar->priv->control, mute); -} - -static void -update_layout (GvcChannelBar *bar) -{ - GtkWidget *frame; - - if (bar->priv->scale == NULL) - return; - - frame = gtk_widget_get_parent (bar->priv->scale_box); - - g_object_ref (bar->priv->image); - g_object_ref (bar->priv->label); - g_object_ref (bar->priv->mute_box); - g_object_ref (bar->priv->low_image); - g_object_ref (bar->priv->high_image); - - // XXX this is not the opposite of what is done above - gtk_container_remove (GTK_CONTAINER (bar->priv->start_box), - bar->priv->image); - gtk_container_remove (GTK_CONTAINER (bar->priv->start_box), - bar->priv->label); - gtk_container_remove (GTK_CONTAINER (bar->priv->end_box), - bar->priv->mute_box); - - if (bar->priv->orientation == GTK_ORIENTATION_VERTICAL) { - gtk_container_remove (GTK_CONTAINER (bar->priv->start_box), - bar->priv->low_image); - gtk_container_remove (GTK_CONTAINER (bar->priv->end_box), - bar->priv->high_image); - } else { - gtk_container_remove (GTK_CONTAINER (bar->priv->end_box), - bar->priv->low_image); - gtk_container_remove (GTK_CONTAINER (bar->priv->start_box), - bar->priv->high_image); - } - - gtk_container_remove (GTK_CONTAINER (bar->priv->scale_box), - bar->priv->start_box); - gtk_container_remove (GTK_CONTAINER (bar->priv->scale_box), - bar->priv->scale); - gtk_container_remove (GTK_CONTAINER (bar->priv->scale_box), - bar->priv->end_box); - gtk_container_remove (GTK_CONTAINER (frame), - bar->priv->scale_box); - - create_scale_box (bar); - gtk_container_add (GTK_CONTAINER (frame), bar->priv->scale_box); - - g_object_unref (bar->priv->image); - g_object_unref (bar->priv->label); - g_object_unref (bar->priv->mute_box); - g_object_unref (bar->priv->low_image); - g_object_unref (bar->priv->high_image); - - gtk_widget_show_all (frame); -} - -static void -update_marks (GvcChannelBar *bar) -{ - gdouble base; - gdouble normal; - gboolean has_mark = FALSE; - - gtk_scale_clear_marks (GTK_SCALE (bar->priv->scale)); - - if (bar->priv->control == NULL || bar->priv->show_marks == FALSE) - return; - - /* Base volume represents unamplified volume, normal volume is the 100% - * volume, in many cases they are the same as unamplified volume is unknown */ - base = mate_mixer_stream_control_get_base_volume (bar->priv->control); - normal = mate_mixer_stream_control_get_normal_volume (bar->priv->control); - - if (normal <= gtk_adjustment_get_lower (bar->priv->adjustment)) - return; - - if (base < normal) { - gchar *str = g_strdup_printf ("<small>%s</small>", C_("volume", "Unamplified")); - - gtk_scale_add_mark (GTK_SCALE (bar->priv->scale), - base, - GTK_POS_BOTTOM, - str); - has_mark = TRUE; - g_free (str); - } - - /* Only show 100% mark if the scale is extended beyond 100% and - * there is no unamplified mark or it is below the normal volume */ - if (bar->priv->extended && (base == normal || base < normal)) { - gchar *str = g_strdup_printf ("<small>%s</small>", C_("volume", "100%")); - - gtk_scale_add_mark (GTK_SCALE (bar->priv->scale), - normal, - GTK_POS_BOTTOM, - str); - has_mark = TRUE; - g_free (str); - } - - if (has_mark) { - gtk_alignment_set (GTK_ALIGNMENT (bar->priv->mute_box), 0.5, 0, 0, 0); - - gtk_misc_set_alignment (GTK_MISC (bar->priv->low_image), 0.5, 0); - gtk_misc_set_alignment (GTK_MISC (bar->priv->high_image), 0.5, 0); - gtk_misc_set_alignment (GTK_MISC (bar->priv->label), 0, 0); - } else { - gtk_alignment_set (GTK_ALIGNMENT (bar->priv->mute_box), 0.5, 0.5, 0, 0); - - gtk_misc_set_alignment (GTK_MISC (bar->priv->low_image), 0.5, 0.5); - gtk_misc_set_alignment (GTK_MISC (bar->priv->high_image), 0.5, 0.5); - gtk_misc_set_alignment (GTK_MISC (bar->priv->label), 0, 0.5); - } -} - -static void -update_adjustment_value (GvcChannelBar *bar) -{ - gdouble value; - gboolean set_lower = FALSE; - - /* Move the slider to the minimal value if the stream control is muted or - * volume is unavailable */ - if (bar->priv->control == NULL) - set_lower = TRUE; - else if (bar->priv->control_flags & MATE_MIXER_STREAM_CONTROL_MUTE_READABLE) - set_lower = mate_mixer_stream_control_get_mute (bar->priv->control); - - if (set_lower == TRUE) - value = gtk_adjustment_get_lower (bar->priv->adjustment); - else - value = mate_mixer_stream_control_get_volume (bar->priv->control); - - g_signal_handlers_block_by_func (G_OBJECT (bar->priv->adjustment), - on_adjustment_value_changed, - bar); - - gtk_adjustment_set_value (bar->priv->adjustment, value); - - g_signal_handlers_unblock_by_func (G_OBJECT (bar->priv->adjustment), - on_adjustment_value_changed, - bar); -} - -static void -update_adjustment_limits (GvcChannelBar *bar) -{ - gdouble minimum = 0.0; - gdouble maximum = 0.0; - - if (bar->priv->control != NULL) { - minimum = mate_mixer_stream_control_get_min_volume (bar->priv->control); - if (bar->priv->extended) - maximum = mate_mixer_stream_control_get_max_volume (bar->priv->control); - else - maximum = mate_mixer_stream_control_get_normal_volume (bar->priv->control); - } - - gtk_adjustment_configure (bar->priv->adjustment, - gtk_adjustment_get_value (bar->priv->adjustment), - minimum, - maximum, - (maximum - minimum) / 100.0, - (maximum - minimum) / 15.0, - 0.0); -} - -static void -update_mute_button (GvcChannelBar *bar) -{ - if (bar->priv->show_mute == TRUE) { - gboolean enable = FALSE; - - if (bar->priv->control != NULL && - bar->priv->control_flags & MATE_MIXER_STREAM_CONTROL_MUTE_READABLE) - enable = TRUE; - - if (enable == TRUE) { - gboolean mute = mate_mixer_stream_control_get_mute (bar->priv->control); - - gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (bar->priv->mute_button), - mute); - } else { - gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (bar->priv->mute_button), - FALSE); - } - - gtk_widget_set_sensitive (bar->priv->mute_button, enable); - gtk_widget_show (bar->priv->mute_button); - } else - gtk_widget_hide (bar->priv->mute_button); -} - -static gboolean -on_scale_button_press_event (GtkWidget *widget, - GdkEventButton *event, - GvcChannelBar *bar) -{ - -#if !GTK_CHECK_VERSION (3, 6, 0) - /* Up to GTK 3.4 the slider selection only moves in increments when - * clicking in the slider with the left button and it moves directly - * to the clicked position with the middle mouse button. - * Change this behaviour to also jump to the clicked position with the - * left mouse button. */ - if (event->button == 1) - event->button = 2; -#endif - - /* Muting the stream when volume is non-zero moves the slider to zero, - * but the volume remains the same. In this case delay unmuting and - * changing volume until user releases the mouse button. */ - if (bar->priv->control_flags & MATE_MIXER_STREAM_CONTROL_MUTE_READABLE && - bar->priv->control_flags & MATE_MIXER_STREAM_CONTROL_VOLUME_READABLE) { - if (mate_mixer_stream_control_get_mute (bar->priv->control) == TRUE) { - guint minimum = (guint) gtk_adjustment_get_lower (bar->priv->adjustment); - - if (mate_mixer_stream_control_get_volume (bar->priv->control) > minimum) - bar->priv->click_lock = TRUE; - } - } - return FALSE; -} - -static gboolean -on_scale_button_release_event (GtkWidget *widget, - GdkEventButton *event, - GvcChannelBar *bar) -{ -#if !GTK_CHECK_VERSION (3, 6, 0) - if (event->button == 1) - event->button = 2; -#endif - - if (bar->priv->click_lock == TRUE) { - /* The volume change is not reflected while the lock is - * held, propagate the change now that user has released - * the mouse button */ - bar->priv->click_lock = FALSE; - on_adjustment_value_changed (bar->priv->adjustment, bar); - } - - /* Play a sound */ - ca_gtk_play_for_widget (GTK_WIDGET (bar), 0, - CA_PROP_EVENT_ID, "audio-volume-change", - CA_PROP_EVENT_DESCRIPTION, "Volume change", - CA_PROP_APPLICATION_ID, "org.mate.VolumeControl", - CA_PROP_APPLICATION_NAME, _("Volume Control"), - CA_PROP_APPLICATION_VERSION, VERSION, - CA_PROP_APPLICATION_ICON_NAME, "multimedia-volume-control", - NULL); - return FALSE; -} - -static gboolean -on_scale_scroll_event (GtkWidget *widget, - GdkEventScroll *event, - GvcChannelBar *bar) -{ - GdkScrollDirection direction = event->direction; - -#if GTK_CHECK_VERSION (3, 4, 0) - if (direction == GDK_SCROLL_SMOOTH) { - gdouble dx = 0.0; - gdouble dy = 0.0; - - gdk_event_get_scroll_deltas ((const GdkEvent *) event, &dx, &dy); - if (dy > 0.0) - direction = GDK_SCROLL_DOWN; - else if (dy < 0.0) - direction = GDK_SCROLL_UP; - else - return FALSE; - } -#endif - return gvc_channel_bar_scroll (bar, direction); -} - -static void -on_control_volume_notify (MateMixerStreamControl *control, - GParamSpec *pspec, - GvcChannelBar *bar) -{ - update_adjustment_value (bar); -} - -static void -on_control_mute_notify (MateMixerStreamControl *control, - GParamSpec *pspec, - GvcChannelBar *bar) -{ - if (bar->priv->show_mute == TRUE) { - gboolean mute = mate_mixer_stream_control_get_mute (control); - - g_signal_handlers_block_by_func (G_OBJECT (bar->priv->mute_button), - on_mute_button_toggled, - bar); - - gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (bar->priv->mute_button), mute); - - g_signal_handlers_unblock_by_func (G_OBJECT (bar->priv->mute_button), - on_mute_button_toggled, - bar); - } - update_adjustment_value (bar); -} - -MateMixerStreamControl * -gvc_channel_bar_get_control (GvcChannelBar *bar) -{ - g_return_val_if_fail (GVC_IS_CHANNEL_BAR (bar), NULL); - - return bar->priv->control; -} - -void -gvc_channel_bar_set_control (GvcChannelBar *bar, MateMixerStreamControl *control) -{ - g_return_if_fail (GVC_IS_CHANNEL_BAR (bar)); - - if (bar->priv->control == control) - return; - - if (control != NULL) - g_object_ref (control); - - if (bar->priv->control != NULL) { - g_signal_handlers_disconnect_by_func (G_OBJECT (bar->priv->control), - G_CALLBACK (on_control_volume_notify), - bar); - g_signal_handlers_disconnect_by_func (G_OBJECT (bar->priv->control), - G_CALLBACK (on_control_mute_notify), - bar); - g_object_unref (bar->priv->control); - } - - bar->priv->control = control; - - if (control != NULL) - bar->priv->control_flags = mate_mixer_stream_control_get_flags (control); - else - bar->priv->control_flags = MATE_MIXER_STREAM_CONTROL_NO_FLAGS; - - if (bar->priv->control_flags & MATE_MIXER_STREAM_CONTROL_VOLUME_READABLE) - g_signal_connect (G_OBJECT (control), - "notify::volume", - G_CALLBACK (on_control_volume_notify), - bar); - if (bar->priv->control_flags & MATE_MIXER_STREAM_CONTROL_MUTE_READABLE) - g_signal_connect (G_OBJECT (control), - "notify::mute", - G_CALLBACK (on_control_mute_notify), - bar); - - update_marks (bar); - update_mute_button (bar); - update_adjustment_limits (bar); - update_adjustment_value (bar); -} - -GtkOrientation -gvc_channel_bar_get_orientation (GvcChannelBar *bar) -{ - g_return_val_if_fail (GVC_IS_CHANNEL_BAR (bar), 0); - - return bar->priv->orientation; -} - -void -gvc_channel_bar_set_orientation (GvcChannelBar *bar, - GtkOrientation orientation) -{ - g_return_if_fail (GVC_IS_CHANNEL_BAR (bar)); - - if (orientation == bar->priv->orientation) - return; - - bar->priv->orientation = orientation; - update_layout (bar); - - g_object_notify_by_pspec (G_OBJECT (bar), properties[PROP_ORIENTATION]); -} - -gboolean -gvc_channel_bar_get_show_icons (GvcChannelBar *bar) -{ - g_return_val_if_fail (GVC_IS_CHANNEL_BAR (bar), FALSE); - - return bar->priv->show_icons; -} - -void -gvc_channel_bar_set_show_icons (GvcChannelBar *bar, gboolean show_icons) -{ - g_return_if_fail (GVC_IS_CHANNEL_BAR (bar)); - - if (show_icons == bar->priv->show_icons) - return; - - bar->priv->show_icons = show_icons; - - if (bar->priv->show_icons == TRUE) { - gtk_widget_show (bar->priv->low_image); - gtk_widget_show (bar->priv->high_image); - } else { - gtk_widget_hide (bar->priv->low_image); - gtk_widget_hide (bar->priv->high_image); - } - - g_object_notify_by_pspec (G_OBJECT (bar), properties[PROP_SHOW_ICONS]); -} - -gboolean -gvc_channel_bar_get_show_mute (GvcChannelBar *bar) -{ - g_return_val_if_fail (GVC_IS_CHANNEL_BAR (bar), FALSE); - - return bar->priv->show_mute; -} - -void -gvc_channel_bar_set_show_mute (GvcChannelBar *bar, gboolean show_mute) -{ - g_return_if_fail (GVC_IS_CHANNEL_BAR (bar)); - - if (show_mute == bar->priv->show_mute) - return; - - bar->priv->show_mute = show_mute; - update_mute_button (bar); - - g_object_notify_by_pspec (G_OBJECT (bar), properties[PROP_SHOW_MUTE]); -} - -gboolean -gvc_channel_bar_get_show_marks (GvcChannelBar *bar) -{ - g_return_val_if_fail (GVC_IS_CHANNEL_BAR (bar), FALSE); - - return bar->priv->show_marks; -} - -void -gvc_channel_bar_set_show_marks (GvcChannelBar *bar, gboolean show_marks) -{ - g_return_if_fail (GVC_IS_CHANNEL_BAR (bar)); - - if (show_marks == bar->priv->show_marks) - return; - - bar->priv->show_marks = show_marks; - update_marks (bar); - - g_object_notify_by_pspec (G_OBJECT (bar), properties[PROP_SHOW_MARKS]); -} - -gboolean -gvc_channel_bar_get_extended (GvcChannelBar *bar) -{ - g_return_val_if_fail (GVC_IS_CHANNEL_BAR (bar), FALSE); - - return bar->priv->extended; -} - -void -gvc_channel_bar_set_extended (GvcChannelBar *bar, gboolean extended) -{ - g_return_if_fail (GVC_IS_CHANNEL_BAR (bar)); - - if (extended == bar->priv->extended) - return; - - bar->priv->extended = extended; - - /* Update displayed marks as non-extended scales do not show the 100% - * limit at the end of the scale */ - update_marks (bar); - update_adjustment_limits (bar); - - g_object_notify_by_pspec (G_OBJECT (bar), properties[PROP_EXTENDED]); -} - -const gchar * -gvc_channel_bar_get_name (GvcChannelBar *bar) -{ - g_return_val_if_fail (GVC_IS_CHANNEL_BAR (bar), NULL); - - return gtk_label_get_text (GTK_LABEL (bar->priv->label)); -} - -void -gvc_channel_bar_set_name (GvcChannelBar *bar, const gchar *name) -{ - g_return_if_fail (GVC_IS_CHANNEL_BAR (bar)); - - if (name != NULL) { - gtk_label_set_text_with_mnemonic (GTK_LABEL (bar->priv->label), name); - gtk_label_set_mnemonic_widget (GTK_LABEL (bar->priv->label), - bar->priv->scale); - - gtk_widget_show (bar->priv->label); - } else { - gtk_label_set_text (GTK_LABEL (bar->priv->label), NULL); - gtk_widget_hide (bar->priv->label); - } - - g_object_notify_by_pspec (G_OBJECT (bar), properties[PROP_NAME]); -} - -const gchar * -gvc_channel_bar_get_icon_name (GvcChannelBar *bar) -{ - const gchar *name = NULL; - - g_return_val_if_fail (GVC_IS_CHANNEL_BAR (bar), NULL); - - gtk_image_get_icon_name (GTK_IMAGE (bar->priv->image), &name, NULL); - return name; -} - -void -gvc_channel_bar_set_icon_name (GvcChannelBar *bar, const gchar *name) -{ - g_return_if_fail (GVC_IS_CHANNEL_BAR (bar)); - - gtk_image_set_from_icon_name (GTK_IMAGE (bar->priv->image), - name, - GTK_ICON_SIZE_DIALOG); - if (name != NULL) - gtk_widget_show (bar->priv->image); - else - gtk_widget_hide (bar->priv->image); - - g_object_notify_by_pspec (G_OBJECT (bar), properties[PROP_ICON_NAME]); -} - -const gchar * -gvc_channel_bar_get_low_icon_name (GvcChannelBar *bar) -{ - const gchar *name = NULL; - - g_return_val_if_fail (GVC_IS_CHANNEL_BAR (bar), NULL); - - gtk_image_get_icon_name (GTK_IMAGE (bar->priv->low_image), &name, NULL); - return name; -} - -void -gvc_channel_bar_set_low_icon_name (GvcChannelBar *bar, const gchar *name) -{ - g_return_if_fail (GVC_IS_CHANNEL_BAR (bar)); - - gtk_image_set_from_icon_name (GTK_IMAGE (bar->priv->low_image), - name, - GTK_ICON_SIZE_BUTTON); - - g_object_notify_by_pspec (G_OBJECT (bar), properties[PROP_LOW_ICON_NAME]); -} - -const gchar * -gvc_channel_bar_get_high_icon_name (GvcChannelBar *bar) -{ - const gchar *name = NULL; - - g_return_val_if_fail (GVC_IS_CHANNEL_BAR (bar), NULL); - - gtk_image_get_icon_name (GTK_IMAGE (bar->priv->high_image), &name, NULL); - return name; -} - -void -gvc_channel_bar_set_high_icon_name (GvcChannelBar *bar, const gchar *name) -{ - g_return_if_fail (GVC_IS_CHANNEL_BAR (bar)); - - gtk_image_set_from_icon_name (GTK_IMAGE (bar->priv->high_image), - name, - GTK_ICON_SIZE_BUTTON); - - g_object_notify_by_pspec (G_OBJECT (bar), properties[PROP_HIGH_ICON_NAME]); -} - -gboolean -gvc_channel_bar_scroll (GvcChannelBar *bar, GdkScrollDirection direction) -{ - gdouble value; - gdouble minimum; - gdouble maximum; - gdouble scrollstep; - - g_return_val_if_fail (GVC_IS_CHANNEL_BAR (bar), FALSE); - - if (bar->priv->orientation == GTK_ORIENTATION_VERTICAL) { - if (direction != GDK_SCROLL_UP && direction != GDK_SCROLL_DOWN) - return FALSE; - } else { - /* Switch direction for RTL */ - if (gtk_widget_get_direction (GTK_WIDGET (bar)) == GTK_TEXT_DIR_RTL) { - if (direction == GDK_SCROLL_RIGHT) - direction = GDK_SCROLL_LEFT; - else if (direction == GDK_SCROLL_LEFT) - direction = GDK_SCROLL_RIGHT; - } - - /* Switch side scroll to vertical */ - if (direction == GDK_SCROLL_RIGHT) - direction = GDK_SCROLL_UP; - else if (direction == GDK_SCROLL_LEFT) - direction = GDK_SCROLL_DOWN; - } - - value = gtk_adjustment_get_value (bar->priv->adjustment); - minimum = gtk_adjustment_get_lower (bar->priv->adjustment); - maximum = gtk_adjustment_get_upper (bar->priv->adjustment); - - scrollstep = maximum / 100.0 * 5.0; - - if (direction == GDK_SCROLL_UP) { - if (value + scrollstep > maximum) - value = maximum; - else - value = value + scrollstep; - } else if (direction == GDK_SCROLL_DOWN) { - if (value - scrollstep < minimum) - value = minimum; - else - value = value - scrollstep; - } - - gtk_adjustment_set_value (bar->priv->adjustment, value); - return TRUE; -} - -void -gvc_channel_bar_set_size_group (GvcChannelBar *bar, - GtkSizeGroup *group, - gboolean symmetric) -{ - g_return_if_fail (GVC_IS_CHANNEL_BAR (bar)); - g_return_if_fail (GTK_IS_SIZE_GROUP (group)); - - bar->priv->size_group = group; - bar->priv->symmetric = symmetric; - - if (bar->priv->size_group != NULL) { - gtk_size_group_add_widget (bar->priv->size_group, - bar->priv->start_box); - - if (bar->priv->symmetric) - gtk_size_group_add_widget (bar->priv->size_group, - bar->priv->end_box); - } - gtk_widget_queue_draw (GTK_WIDGET (bar)); -} - -static void -gvc_channel_bar_set_property (GObject *object, - guint prop_id, - const GValue *value, - GParamSpec *pspec) -{ - GvcChannelBar *self = GVC_CHANNEL_BAR (object); - - switch (prop_id) { - case PROP_CONTROL: - gvc_channel_bar_set_control (self, g_value_get_object (value)); - break; - case PROP_ORIENTATION: - gvc_channel_bar_set_orientation (self, g_value_get_enum (value)); - break; - case PROP_SHOW_MUTE: - gvc_channel_bar_set_show_mute (self, g_value_get_boolean (value)); - break; - case PROP_SHOW_ICONS: - gvc_channel_bar_set_show_icons (self, g_value_get_boolean (value)); - break; - case PROP_SHOW_MARKS: - gvc_channel_bar_set_show_marks (self, g_value_get_boolean (value)); - break; - case PROP_EXTENDED: - gvc_channel_bar_set_extended (self, g_value_get_boolean (value)); - break; - case PROP_NAME: - gvc_channel_bar_set_name (self, g_value_get_string (value)); - break; - case PROP_ICON_NAME: - gvc_channel_bar_set_icon_name (self, g_value_get_string (value)); - break; - case PROP_LOW_ICON_NAME: - gvc_channel_bar_set_low_icon_name (self, g_value_get_string (value)); - break; - case PROP_HIGH_ICON_NAME: - gvc_channel_bar_set_high_icon_name (self, g_value_get_string (value)); - break; - default: - G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); - break; - } -} - -static void -gvc_channel_bar_get_property (GObject *object, - guint prop_id, - GValue *value, - GParamSpec *pspec) -{ - GvcChannelBar *self = GVC_CHANNEL_BAR (object); - - switch (prop_id) { - case PROP_CONTROL: - g_value_set_object (value, self->priv->control); - break; - case PROP_ORIENTATION: - g_value_set_enum (value, self->priv->orientation); - break; - case PROP_SHOW_MUTE: - g_value_set_boolean (value, self->priv->show_mute); - break; - case PROP_SHOW_ICONS: - g_value_set_boolean (value, self->priv->show_icons); - break; - case PROP_SHOW_MARKS: - g_value_set_boolean (value, self->priv->show_marks); - break; - case PROP_EXTENDED: - g_value_set_boolean (value, self->priv->extended); - break; - case PROP_NAME: - g_value_set_string (value, gtk_label_get_text (GTK_LABEL (self->priv->label))); - break; - default: - G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); - break; - } -} - -static void -gvc_channel_bar_class_init (GvcChannelBarClass *klass) -{ - GObjectClass *object_class = G_OBJECT_CLASS (klass); - - object_class->set_property = gvc_channel_bar_set_property; - object_class->get_property = gvc_channel_bar_get_property; - - properties[PROP_CONTROL] = - g_param_spec_object ("control", - "Control", - "MateMixer stream control", - MATE_MIXER_TYPE_STREAM_CONTROL, - G_PARAM_READWRITE | - G_PARAM_CONSTRUCT | - G_PARAM_STATIC_STRINGS); - - properties[PROP_ORIENTATION] = - g_param_spec_enum ("orientation", - "Orientation", - "The orientation of the scale", - GTK_TYPE_ORIENTATION, - GTK_ORIENTATION_VERTICAL, - G_PARAM_READWRITE | - G_PARAM_STATIC_STRINGS); - - properties[PROP_SHOW_MUTE] = - g_param_spec_boolean ("show-mute", - "show mute", - "Whether stream is muted", - FALSE, - G_PARAM_READWRITE | - G_PARAM_CONSTRUCT | - G_PARAM_STATIC_STRINGS); - - properties[PROP_SHOW_ICONS] = - g_param_spec_boolean ("show-icons", - "show mute", - "Whether to show low and high icons", - FALSE, - G_PARAM_READWRITE | - G_PARAM_CONSTRUCT | - G_PARAM_STATIC_STRINGS); - - properties[PROP_SHOW_MARKS] = - g_param_spec_boolean ("show-marks", - "Show marks", - "Whether to show scale marks", - FALSE, - G_PARAM_READWRITE | - G_PARAM_CONSTRUCT | - G_PARAM_STATIC_STRINGS); - - properties[PROP_EXTENDED] = - g_param_spec_boolean ("extended", - "Extended", - "Allow the scale to be extended above normal volume", - FALSE, - G_PARAM_READWRITE | - G_PARAM_STATIC_STRINGS); - - properties[PROP_NAME] = - g_param_spec_string ("name", - "Name", - "Name to display for this stream", - NULL, - G_PARAM_READWRITE | - G_PARAM_CONSTRUCT | - G_PARAM_STATIC_STRINGS); - - properties[PROP_ICON_NAME] = - g_param_spec_string ("icon-name", - "Icon name", - "Name of icon to display for this stream", - NULL, - G_PARAM_WRITABLE | - G_PARAM_CONSTRUCT | - G_PARAM_STATIC_STRINGS); - - properties[PROP_LOW_ICON_NAME] = - g_param_spec_string ("low-icon-name", - "Low icon name", - "Name of low volume icon to display for this stream", - "audio-volume-low", - G_PARAM_WRITABLE | - G_PARAM_CONSTRUCT | - G_PARAM_STATIC_STRINGS); - - properties[PROP_HIGH_ICON_NAME] = - g_param_spec_string ("high-icon-name", - "High icon name", - "Name of high volume icon to display for this stream", - "audio-volume-high", - G_PARAM_WRITABLE | - G_PARAM_CONSTRUCT | - G_PARAM_STATIC_STRINGS); - - g_object_class_install_properties (object_class, N_PROPERTIES, properties); - - g_type_class_add_private (klass, sizeof (GvcChannelBarPrivate)); -} - -static void -gvc_channel_bar_init (GvcChannelBar *bar) -{ - GtkWidget *frame; - - bar->priv = GVC_CHANNEL_BAR_GET_PRIVATE (bar); - - /* Mute button */ - bar->priv->mute_button = gtk_check_button_new_with_label (_("Mute")); - gtk_widget_set_no_show_all (bar->priv->mute_button, TRUE); - - g_signal_connect (bar->priv->mute_button, - "toggled", - G_CALLBACK (on_mute_button_toggled), - bar); - - bar->priv->mute_box = gtk_alignment_new (0.5, 0.5, 0, 0); - gtk_container_add (GTK_CONTAINER (bar->priv->mute_box), bar->priv->mute_button); - - bar->priv->image = gtk_image_new (); - gtk_widget_set_no_show_all (bar->priv->image, TRUE); - - /* Low/high icons */ - bar->priv->low_image = gtk_image_new (); - gtk_widget_set_no_show_all (bar->priv->low_image, TRUE); - - bar->priv->high_image = gtk_image_new (); - gtk_widget_set_no_show_all (bar->priv->high_image, TRUE); - - bar->priv->label = gtk_label_new (NULL); - gtk_misc_set_alignment (GTK_MISC (bar->priv->label), 0.0, 0.5); - gtk_widget_set_no_show_all (bar->priv->label, TRUE); - - /* Frame */ - frame = gtk_frame_new (NULL); - gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_NONE); - gtk_box_pack_start (GTK_BOX (bar), frame, TRUE, TRUE, 0); - - gtk_widget_show_all (frame); - - /* Create a default adjustment */ - bar->priv->adjustment = GTK_ADJUSTMENT (gtk_adjustment_new (0, 0, 0, 0, 0, 0)); - - g_object_ref_sink (bar->priv->adjustment); - - g_signal_connect (bar->priv->adjustment, - "value-changed", - G_CALLBACK (on_adjustment_value_changed), - bar); - - /* Initially create a vertical scale box */ - bar->priv->orientation = GTK_ORIENTATION_VERTICAL; - - create_scale_box (bar); - - gtk_container_add (GTK_CONTAINER (frame), bar->priv->scale_box); -} - -GtkWidget * -gvc_channel_bar_new (MateMixerStreamControl *control) -{ - return g_object_new (GVC_TYPE_CHANNEL_BAR, - "control", control, -#if GTK_CHECK_VERSION (3, 0, 0) - "orientation", GTK_ORIENTATION_HORIZONTAL, -#endif - NULL); -} |