diff options
author | Michal Ratajsky <[email protected]> | 2014-07-18 17:55:53 +0200 |
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committer | infirit <[email protected]> | 2014-10-09 16:53:00 +0200 |
commit | 0c558fac14266f8c18cfb8bc1d4669ed35868c2f (patch) | |
tree | fb7479547b7c1032b13a1adc0f33e9c71861251a /mate-volume-control/src/gvc-balance-bar.c | |
parent | 25445eb4cb2d7b49bc435113056587f83b742104 (diff) | |
download | mate-media-0c558fac14266f8c18cfb8bc1d4669ed35868c2f.tar.bz2 mate-media-0c558fac14266f8c18cfb8bc1d4669ed35868c2f.tar.xz |
More porting work along with fixes and cleanups
Diffstat (limited to 'mate-volume-control/src/gvc-balance-bar.c')
-rw-r--r-- | mate-volume-control/src/gvc-balance-bar.c | 401 |
1 files changed, 209 insertions, 192 deletions
diff --git a/mate-volume-control/src/gvc-balance-bar.c b/mate-volume-control/src/gvc-balance-bar.c index 0730b67..f31d136 100644 --- a/mate-volume-control/src/gvc-balance-bar.c +++ b/mate-volume-control/src/gvc-balance-bar.c @@ -1,6 +1,7 @@ /* -*- 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 @@ -18,10 +19,9 @@ * */ -#include "config.h" - #include <glib.h> #include <glib/gi18n.h> +#include <glib-object.h> #include <gtk/gtk.h> #include <canberra-gtk.h> @@ -29,14 +29,17 @@ #include "gvc-balance-bar.h" -#define SCALE_SIZE 128 -#define ADJUSTMENT_MAX_NORMAL 65536.0 /* PA_VOLUME_NORM */ // XXX +#define BALANCE_BAR_STYLE \ + "style \"balance-bar-scale-style\" {\n" \ + " GtkScale::trough-side-details = 0\n" \ + "}\n" \ + "widget \"*.balance-bar-scale\" style : rc \"balance-bar-scale-style\"\n" +#define SCALE_SIZE 128 #define GVC_BALANCE_BAR_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), GVC_TYPE_BALANCE_BAR, GvcBalanceBarPrivate)) struct _GvcBalanceBarPrivate { - MateMixerStream *stream; GvcBalanceType btype; GtkWidget *scale_box; GtkWidget *start_box; @@ -46,7 +49,8 @@ struct _GvcBalanceBarPrivate GtkAdjustment *adjustment; GtkSizeGroup *size_group; gboolean symmetric; - gboolean click_lock; + MateMixerStream *stream; + gint lfe_channel; }; enum @@ -59,21 +63,16 @@ enum static GParamSpec *properties[N_PROPERTIES] = { NULL, }; -static void gvc_balance_bar_class_init (GvcBalanceBarClass *klass); -static void gvc_balance_bar_init (GvcBalanceBar *balance_bar); -static void gvc_balance_bar_dispose (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); +static void gvc_balance_bar_class_init (GvcBalanceBarClass *klass); +static void gvc_balance_bar_init (GvcBalanceBar *balance_bar); +static void gvc_balance_bar_dispose (GObject *object); + +static gboolean on_scale_scroll_event (GtkWidget *widget, + GdkEventScroll *event, + GvcBalanceBar *bar); + +static void on_adjustment_value_changed (GtkAdjustment *adjustment, + GvcBalanceBar *bar); #if GTK_CHECK_VERSION (3, 0, 0) G_DEFINE_TYPE (GvcBalanceBar, gvc_balance_bar, GTK_TYPE_BOX) @@ -81,33 +80,78 @@ G_DEFINE_TYPE (GvcBalanceBar, gvc_balance_bar, GTK_TYPE_BOX) G_DEFINE_TYPE (GvcBalanceBar, gvc_balance_bar, GTK_TYPE_HBOX) #endif -static GtkWidget * -_scale_box_new (GvcBalanceBar *bar) +static void +create_scale_box (GvcBalanceBar *bar) { - GvcBalanceBarPrivate *priv = bar->priv; - GtkWidget *box; - GtkWidget *sbox; - GtkWidget *ebox; - GtkAdjustment *adjustment = bar->priv->adjustment; - char *str_lower, *str_upper; - gdouble lower, upper; +#if GTK_CHECK_VERSION (3, 0, 0) + bar->priv->scale_box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6); + bar->priv->start_box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6); + bar->priv->end_box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6); + bar->priv->scale = gtk_scale_new (GTK_ORIENTATION_HORIZONTAL, + bar->priv->adjustment); +#if GTK_CHECK_VERSION (3, 4, 0) + /* Balance and fade scales do not have an origin */ + if (bar->priv->btype != BALANCE_TYPE_LFE) + gtk_scale_set_has_origin (GTK_SCALE (bar->priv->scale), FALSE); +#endif +#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); + + /* GTK2 way to remove the origin */ + if (bar->priv->btype != BALANCE_TYPE_LFE) { + gtk_rc_parse_string (BALANCE_BAR_STYLE); + gtk_widget_set_name (bar->priv->scale, "balance-bar-scale"); + } +#endif - bar->priv->scale_box = box = gtk_hbox_new (FALSE, 6); - priv->scale = gtk_hscale_new (priv->adjustment); - gtk_widget_set_size_request (priv->scale, SCALE_SIZE, -1); + gtk_widget_set_size_request (bar->priv->scale, SCALE_SIZE, -1); + + 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->label, + 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_widget_set_name (priv->scale, "balance-bar-scale"); - gtk_rc_parse_string ("style \"balance-bar-scale-style\" {\n" - " GtkScale::trough-side-details = 0\n" - "}\n" - "widget \"*.balance-bar-scale\" style : rc \"balance-bar-scale-style\"\n"); + ca_gtk_widget_disable_sounds (bar->priv->scale, FALSE); - bar->priv->start_box = sbox = gtk_hbox_new (FALSE, 6); - gtk_box_pack_start (GTK_BOX (box), sbox, FALSE, FALSE, 0); + gtk_widget_add_events (bar->priv->scale, GDK_SCROLL_MASK); - gtk_box_pack_start (GTK_BOX (sbox), priv->label, FALSE, FALSE, 0); + g_signal_connect (G_OBJECT (bar->priv->scale), + "scroll-event", + G_CALLBACK (on_scale_scroll_event), + bar); - gtk_box_pack_start (GTK_BOX (box), priv->scale, TRUE, TRUE, 0); + 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 +update_scale_marks (GvcBalanceBar *bar) +{ + gchar *str_lower = NULL, + *str_upper = NULL; + gdouble lower, + upper; + + gtk_scale_clear_marks (GTK_SCALE (bar->priv->scale)); switch (bar->priv->btype) { case BALANCE_TYPE_RL: @@ -122,49 +166,26 @@ _scale_box_new (GvcBalanceBar *bar) 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 (priv->scale), lower, - GTK_POS_BOTTOM, str_lower); + lower = gtk_adjustment_get_lower (bar->priv->adjustment); + gtk_scale_add_mark (GTK_SCALE (bar->priv->scale), + lower, + GTK_POS_BOTTOM, + str_lower); + upper = gtk_adjustment_get_upper (bar->priv->adjustment); + gtk_scale_add_mark (GTK_SCALE (bar->priv->scale), + upper, + GTK_POS_BOTTOM, + str_upper); g_free (str_lower); - upper = gtk_adjustment_get_upper (adjustment); - gtk_scale_add_mark (GTK_SCALE (priv->scale), upper, - GTK_POS_BOTTOM, str_upper); g_free (str_upper); - if (bar->priv->btype != BALANCE_TYPE_LFE) { - gtk_scale_add_mark (GTK_SCALE (priv->scale), - (upper - lower)/2 + lower, - GTK_POS_BOTTOM, NULL); - } - - bar->priv->end_box = ebox = gtk_hbox_new (FALSE, 6); - gtk_box_pack_start (GTK_BOX (box), ebox, FALSE, FALSE, 0); - - 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, sbox); - - if (bar->priv->symmetric) { - gtk_size_group_add_widget (bar->priv->size_group, ebox); - } - } - - gtk_scale_set_draw_value (GTK_SCALE (priv->scale), FALSE); - - return box; + if (bar->priv->btype != BALANCE_TYPE_LFE) + gtk_scale_add_mark (GTK_SCALE (bar->priv->scale), + (upper - lower) / 2 + lower, + GTK_POS_BOTTOM, + NULL); } void @@ -173,6 +194,7 @@ gvc_balance_bar_set_size_group (GvcBalanceBar *bar, gboolean symmetric) { g_return_if_fail (GVC_IS_BALANCE_BAR (bar)); + g_return_if_fail (GTK_IS_SIZE_GROUP (group)); bar->priv->size_group = group; bar->priv->symmetric = symmetric; @@ -181,31 +203,13 @@ gvc_balance_bar_set_size_group (GvcBalanceBar *bar, gtk_size_group_add_widget (bar->priv->size_group, bar->priv->start_box); - if (bar->priv->symmetric) { + 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 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_balance_value (GvcBalanceBar *bar) { @@ -214,20 +218,20 @@ update_balance_value (GvcBalanceBar *bar) switch (bar->priv->btype) { case BALANCE_TYPE_RL: value = mate_mixer_stream_get_balance (bar->priv->stream); + g_debug ("Balance value changed to %.2f", value); break; case BALANCE_TYPE_FR: value = mate_mixer_stream_get_fade (bar->priv->stream); + g_debug ("Fade value changed to %.2f", value); break; case BALANCE_TYPE_LFE: - value = mate_mixer_stream_get_position_volume (bar->priv->stream, - MATE_MIXER_CHANNEL_LFE); + value = mate_mixer_stream_get_channel_volume (bar->priv->stream, + bar->priv->lfe_channel); + + g_debug ("Subwoofer volume changed to %.0f", value); break; - default: - g_assert_not_reached (); } - g_debug ("%s value changed to %.1f", btype_to_string (bar->priv->btype), value); - gtk_adjustment_set_value (bar->priv->adjustment, value); } @@ -239,6 +243,22 @@ on_balance_value_changed (MateMixerStream *stream, update_balance_value (bar); } +static gint +find_stream_lfe_channel (MateMixerStream *stream) +{ + guint i; + + for (i = 0; i < mate_mixer_stream_get_num_channels (stream); i++) { + MateMixerChannelPosition position; + + position = mate_mixer_stream_get_channel_position (stream, i); + if (position == MATE_MIXER_CHANNEL_LFE) + return i; + } + + return -1; +} + static void gvc_balance_bar_set_stream (GvcBalanceBar *bar, MateMixerStream *stream) { @@ -254,6 +274,37 @@ gvc_balance_bar_set_stream (GvcBalanceBar *bar, MateMixerStream *stream) bar->priv->stream = g_object_ref (stream); + if (bar->priv->btype == BALANCE_TYPE_LFE) { + gdouble minimum = 0.0; + gdouble maximum = 0.0; + + if (mate_mixer_stream_get_flags (stream) & MATE_MIXER_STREAM_HAS_VOLUME) { + minimum = mate_mixer_stream_get_min_volume (stream); + maximum = mate_mixer_stream_get_normal_volume (stream); + } + + /* Configure the adjustment for the volume limits of the current + * stream. + * Only subwoofer scale uses volume, balance and fade use fixed + * limits which do not need to be updated as balance type is + * only set during construction. */ + gtk_adjustment_configure (GTK_ADJUSTMENT (bar->priv->adjustment), + gtk_adjustment_get_value (bar->priv->adjustment), + minimum, + maximum, + (maximum - minimum) / 100.0, + (maximum - minimum) / 10.0, + 0.0); + + bar->priv->lfe_channel = find_stream_lfe_channel (stream); + + if (G_LIKELY (bar->priv->lfe_channel > -1)) + g_debug ("Found LFE channel at position %d", bar->priv->lfe_channel); + else + g_warn_if_reached (); + } else + bar->priv->lfe_channel = -1; + switch (bar->priv->btype) { case BALANCE_TYPE_RL: g_signal_connect (G_OBJECT (stream), @@ -273,41 +324,30 @@ gvc_balance_bar_set_stream (GvcBalanceBar *bar, MateMixerStream *stream) G_CALLBACK (on_balance_value_changed), bar); break; - default: - g_assert_not_reached (); } update_balance_value (bar); + update_scale_marks (bar); - g_object_notify (G_OBJECT (bar), "stream"); + g_object_notify_by_pspec (G_OBJECT (bar), properties[PROP_STREAM]); } static void gvc_balance_bar_set_balance_type (GvcBalanceBar *bar, GvcBalanceType btype) { - GtkWidget *frame; + GtkWidget *frame; + GtkAdjustment *adjustment; - g_return_if_fail (GVC_BALANCE_BAR (bar)); + /* Create adjustment with limits for balance and fade types because + * some limits must be provided. + * If subwoofer type is used instead, the limits will be changed when + * stream is set. */ + adjustment = GTK_ADJUSTMENT (gtk_adjustment_new (0.0, -1.0, 1.0, 0.05, 0.5, 0.0)); bar->priv->btype = btype; - if (bar->priv->btype != BALANCE_TYPE_LFE) { - bar->priv->adjustment = GTK_ADJUSTMENT (gtk_adjustment_new (0.0, - -1.0, - 1.0, - 0.5, - 0.5, - 0.0)); - } else { - bar->priv->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)); - } + bar->priv->adjustment = GTK_ADJUSTMENT (g_object_ref_sink (adjustment)); - g_object_ref_sink (bar->priv->adjustment); - g_signal_connect (bar->priv->adjustment, + g_signal_connect (G_OBJECT (adjustment), "value-changed", G_CALLBACK (on_adjustment_value_changed), bar); @@ -322,27 +362,26 @@ gvc_balance_bar_set_balance_type (GvcBalanceBar *bar, GvcBalanceType btype) case BALANCE_TYPE_LFE: bar->priv->label = gtk_label_new_with_mnemonic (_("_Subwoofer:")); break; - default: - g_assert_not_reached (); } - gtk_misc_set_alignment (GTK_MISC (bar->priv->label), - 0.0, - 0.0); - /* frame */ + + gtk_misc_set_alignment (GTK_MISC (bar->priv->label), 0.0, 0.0); + + /* Frame */ frame = gtk_frame_new (NULL); gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_NONE); - gtk_container_add (GTK_CONTAINER (bar), frame); + gtk_box_pack_start (GTK_BOX (bar), frame, TRUE, TRUE, 0); - /* box with scale */ - bar->priv->scale_box = _scale_box_new (bar); + /* Box with scale */ + create_scale_box (bar); gtk_container_add (GTK_CONTAINER (frame), bar->priv->scale_box); - gtk_widget_show_all (frame); - gtk_widget_set_direction (bar->priv->scale, GTK_TEXT_DIR_LTR); gtk_label_set_mnemonic_widget (GTK_LABEL (bar->priv->label), bar->priv->scale); - g_object_notify (G_OBJECT (bar), "balance-type"); + gtk_widget_set_direction (bar->priv->scale, GTK_TEXT_DIR_LTR); + gtk_widget_show_all (frame); + + g_object_notify_by_pspec (G_OBJECT (bar), properties[PROP_BALANCE_TYPE]); } static void @@ -414,60 +453,37 @@ gvc_balance_bar_class_init (GvcBalanceBarClass *klass) g_type_class_add_private (klass, sizeof (GvcBalanceBarPrivate)); } - -static gboolean -on_scale_button_press_event (GtkWidget *widget, - GdkEventButton *event, - GvcBalanceBar *bar) -{ - // XXX this is unused - bar->priv->click_lock = TRUE; - return FALSE; -} - -static gboolean -on_scale_button_release_event (GtkWidget *widget, - GdkEventButton *event, - GvcBalanceBar *bar) -{ - // XXX this is unused - bar->priv->click_lock = FALSE; - return FALSE; -} - static gboolean on_scale_scroll_event (GtkWidget *widget, GdkEventScroll *event, GvcBalanceBar *bar) { gdouble value; - - value = gtk_adjustment_get_value (bar->priv->adjustment); - - if (bar->priv->btype == BALANCE_TYPE_LFE) { - if (event->direction == GDK_SCROLL_UP) { - if (value + ADJUSTMENT_MAX_NORMAL/100.0 > ADJUSTMENT_MAX_NORMAL) - value = ADJUSTMENT_MAX_NORMAL; - else - value = value + ADJUSTMENT_MAX_NORMAL/100.0; - } else if (event->direction == GDK_SCROLL_DOWN) { - if (value - ADJUSTMENT_MAX_NORMAL/100.0 < 0) - value = 0.0; - else - value = value - ADJUSTMENT_MAX_NORMAL/100.0; - } - } else { - if (event->direction == GDK_SCROLL_UP) { - if (value + 0.01 > 1.0) - value = 1.0; - else - value = value + 0.01; - } else if (event->direction == GDK_SCROLL_DOWN) { - if (value - 0.01 < 0) - value = 0.0; - else - value = value - 0.01; - } + gdouble minimum; + gdouble maximum; + gdouble step; + + value = gtk_adjustment_get_value (bar->priv->adjustment); + minimum = gtk_adjustment_get_lower (bar->priv->adjustment); + maximum = gtk_adjustment_get_upper (bar->priv->adjustment); + + // XXX fix this for GTK3 + + if (bar->priv->btype == BALANCE_TYPE_LFE) + step = (maximum - minimum) / 100.0; + else + step = 0.05; + + if (event->direction == GDK_SCROLL_UP) { + if (value + step > maximum) + value = maximum; + else + value = value + step; + } else if (event->direction == GDK_SCROLL_DOWN) { + if (value - step < minimum) + value = minimum; + else + value = value - step; } gtk_adjustment_set_value (bar->priv->adjustment, value); @@ -492,12 +508,10 @@ on_adjustment_value_changed (GtkAdjustment *adjustment, GvcBalanceBar *bar) mate_mixer_stream_set_fade (bar->priv->stream, value); break; case BALANCE_TYPE_LFE: - mate_mixer_stream_set_position_volume (bar->priv->stream, - MATE_MIXER_CHANNEL_LFE, - value); + mate_mixer_stream_set_channel_volume (bar->priv->stream, + bar->priv->lfe_channel, + value); break; - default: - g_assert_not_reached (); } } @@ -530,5 +544,8 @@ gvc_balance_bar_new (MateMixerStream *stream, GvcBalanceType btype) return g_object_new (GVC_TYPE_BALANCE_BAR, "balance-type", btype, "stream", stream, +#if GTK_CHECK_VERSION (3, 0, 0) + "orientation", GTK_ORIENTATION_HORIZONTAL, +#endif NULL); } |