1 files changed, 0 insertions, 651 deletions
diff --git a/gst-mixer/src/volume.c b/gst-mixer/src/volume.c
deleted file mode 100644
index 9a1aaac..0000000
--- a/gst-mixer/src/volume.c
+++ /dev/null
@@ -1,651 +0,0 @@
-/* MATE Volume Control
- * Copyright (C) 2003-2004 Ronald Bultje <[email protected]>
- *
- * volume.c: representation of a track's volume channels
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library 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
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the
- * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
- * Boston, MA 02110-1301, USA.
- */
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#define _ISOC99_SOURCE
-
-#include <math.h>
-#include <glib/gi18n.h>
-#include <gdk/gdkx.h>
-#include <gtk/gtk.h>
-
-#include "volume.h"
-#include "button.h"
-
-G_DEFINE_TYPE (MateVolumeControlVolume, mate_volume_control_volume, GTK_TYPE_FIXED)
-
-
-static void mate_volume_control_volume_class_init (MateVolumeControlVolumeClass *klass);
-static void mate_volume_control_volume_init (MateVolumeControlVolume *el);
-static void mate_volume_control_volume_dispose (GObject *object);
-
-#if GTK_CHECK_VERSION (3, 0, 0)
-static void mate_volume_control_volume_get_preferred_width (GtkWidget *widget,
- gint *minimum_width,
- gint *natural_width);
-static void mate_volume_control_volume_get_preferred_height (GtkWidget *widget,
- gint *minimum_height,
- gint *natural_height);
-#else
-static void mate_volume_control_volume_size_req (GtkWidget *widget,
- GtkRequisition *req);
-#endif
-static void mate_volume_control_volume_size_alloc (GtkWidget *widget,
- GtkAllocation *alloc);
-#if GTK_CHECK_VERSION (3, 0, 0)
-static gboolean mate_volume_control_volume_draw (GtkWidget *widget,
- cairo_t *cr);
-#else
-static gboolean mate_volume_control_volume_expose (GtkWidget *widget,
- GdkEventExpose *expose);
-#endif
-
-static void cb_volume_changed (GtkAdjustment *adj,
- gpointer data);
-static void cb_lock_toggled (GtkToggleButton *button,
- gpointer data);
-
-static gboolean cb_check (gpointer data);
-
-
-static void
-mate_volume_control_volume_class_init (MateVolumeControlVolumeClass *klass)
-{
- GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
- GtkWidgetClass *gtkwidget_class = GTK_WIDGET_CLASS (klass);
-
- gobject_class->dispose = mate_volume_control_volume_dispose;
- gtkwidget_class->size_allocate = mate_volume_control_volume_size_alloc;
-#if GTK_CHECK_VERSION (3, 0, 0)
- gtkwidget_class->get_preferred_width = mate_volume_control_volume_get_preferred_width;
- gtkwidget_class->get_preferred_height = mate_volume_control_volume_get_preferred_height;
- gtkwidget_class->draw = mate_volume_control_volume_draw;
-#else
- gtkwidget_class->size_request = mate_volume_control_volume_size_req;
- gtkwidget_class->expose_event = mate_volume_control_volume_expose;
-#endif
-}
-
-static void
-mate_volume_control_volume_init (MateVolumeControlVolume *vol)
-{
- #if GTK_CHECK_VERSION(2,18,0)
- gtk_widget_set_has_window (GTK_WIDGET (vol), TRUE);
- #else
- gtk_fixed_set_has_window (GTK_FIXED (vol), TRUE);
- #endif
-
- vol->mixer = NULL;
- vol->track = NULL;
- vol->padding = 6;
- vol->scales = NULL;
- vol->button = NULL;
- vol->locked = FALSE;
- vol->id = 0;
-}
-
-static GtkWidget *
-get_scale (MateVolumeControlVolume *vol,
- gint num_chan,
- gint volume)
-{
- GtkWidget *slider;
-#if GTK_CHECK_VERSION (3, 0, 0)
- GtkAdjustment *adj;
-#else
- GtkObject *adj;
-#endif
- AtkObject *accessible;
- gchar *accessible_name;
-
- adj = gtk_adjustment_new (volume,
- vol->track->min_volume, vol->track->max_volume,
- (vol->track->max_volume - vol->track->min_volume) / 100.0,
- (vol->track->max_volume - vol->track->min_volume) / 10.0, 0.0);
- g_signal_connect (adj, "value_changed",
- G_CALLBACK (cb_volume_changed), vol);
-#if GTK_CHECK_VERSION (3, 0, 0)
- slider = gtk_vscale_new (adj);
-#else
- slider = gtk_vscale_new (GTK_ADJUSTMENT (adj));
-#endif
- gtk_scale_set_draw_value (GTK_SCALE (slider), FALSE);
- gtk_range_set_inverted (GTK_RANGE (slider), TRUE);
-
- /* a11y */
- accessible = gtk_widget_get_accessible (slider);
- if (GTK_IS_ACCESSIBLE (accessible)) {
- if (vol->track->num_channels == 1) {
- accessible_name = g_strdup_printf (_("Track %s"),
- vol->track->label);
- } else {
- gchar *accessible_desc = g_strdup_printf (_("Channel %d of track %s"),
- num_chan + 1,
- vol->track->label);
- accessible_name = g_strdup_printf (_("Track %s, channel %d"),
- vol->track->label, num_chan + 1);
- atk_object_set_description (accessible, accessible_desc); 
- g_free (accessible_desc);
- }
- atk_object_set_name (accessible, accessible_name);
- g_free (accessible_name);
- }
-
- return slider;
-}
-
-static void
-get_button (MateVolumeControlVolume *vol,
- gint *volumes)
-{
- AtkObject *accessible;
- gchar *accessible_name, *msg;
- gint n;
-
- msg = g_strdup_printf (_("Lock channels for %s together"), vol->track->label);
- vol->button = mate_volume_control_button_new ("chain.png",
- "chain-broken.png",
- msg);
- g_free (msg);
- g_signal_connect (vol->button, "clicked",
- G_CALLBACK (cb_lock_toggled), vol);
- for (n = 1; n < vol->track->num_channels; n++) {
- /* default, unlocked */
- if (volumes[n] != volumes[0])
- break;
- }
- mate_volume_control_button_set_active (MATE_VOLUME_CONTROL_BUTTON (vol->button),
- n == vol->track->num_channels);
-
- /* a11y */
- accessible = gtk_widget_get_accessible (vol->button);
- if (GTK_IS_ACCESSIBLE (accessible)) {
- accessible_name = g_strdup_printf (_("Track %s: lock channels together"),
- vol->track->label);
- atk_object_set_name (accessible, accessible_name);
- g_free (accessible_name);
- }
-}
-
-GtkWidget *
-mate_volume_control_volume_new (GstMixer *mixer,
- GstMixerTrack *track,
- gint padding)
-{
- MateVolumeControlVolume *vol;
- gint *volumes, n;
- gchar *msg, *chan;
- gboolean need_timeout = TRUE;
-
- need_timeout = ((gst_mixer_get_mixer_flags (GST_MIXER (mixer)) &
- GST_MIXER_FLAG_AUTO_NOTIFICATIONS) == 0);
-
- /* volume */
- vol = g_object_new (MATE_VOLUME_CONTROL_TYPE_VOLUME, NULL);
- gst_object_ref (GST_OBJECT (mixer));
- vol->mixer = mixer;
- vol->track = g_object_ref (G_OBJECT (track));
- if (padding >= 0)
- vol->padding = padding;
-
- /* sliders */
- volumes = g_new0 (gint, track->num_channels);
- gst_mixer_get_volume (mixer, track, volumes);
- for (n = 0; n < track->num_channels; n++) {
- GtkWidget *slider;
-
- /* we will reposition the widget once we're drawing up */
- slider = get_scale (vol, n, volumes[n]);
- gtk_fixed_put (GTK_FIXED (vol), slider, 0, 0);
- gtk_widget_show (slider);
- vol->scales = g_list_append (vol->scales, slider);
-
- /* somewhat dirty hack that will suffice for now. 1 chan
- * means mono, two means stereo (left/right) and > 2 means
- * alsa, where channel order is front, rear, center, lfe,
- * side. */
- if (vol->track->num_channels == 1) {
- chan = _("mono");
- } else if (vol->track->num_channels == 2) {
- chan = (n == 0) ? _("left") : _("right");
- } else {
- switch (n) {
- case 0: chan = _("front left"); break;
- case 1: chan = _("front right"); break;
- case 2: chan = _("rear left"); break;
- case 3: chan = _("rear right"); break;
- case 4: chan = _("front center"); break;
- /* Translators: This is the name of a surround sound channel. It
- * stands for "Low-Frequency Effects". If you're not sure that
- * this has an established and different translation in your
- * language, leave it unchanged. */
- case 5: chan = _("LFE"); break;
- case 6: chan = _("side left"); break;
- case 7: chan = _("side right"); break;
- default: chan = _("unknown"); break;
- }
- }
-
- /* Here, we can actually tell people that this
- * is a slider that will change channel X. */
- msg = g_strdup_printf (_("Volume of %s channel on %s"),
- chan, vol->track->label);
- gtk_widget_set_tooltip_text (slider, msg);
- g_free (msg);
- }
-
- /* chainbutton */
- get_button (vol, volumes);
- if (track->num_channels > 1) {
- gtk_fixed_put (GTK_FIXED (vol), vol->button, 0, 0);
- gtk_widget_show (vol->button);
- }
-
- g_free (volumes);
-
- /* GStreamer signals */
- if (need_timeout)
- vol->id = g_timeout_add (100, cb_check, vol);
-
- return GTK_WIDGET (vol);
-}
-
-static void
-mate_volume_control_volume_dispose (GObject *object)
-{
- MateVolumeControlVolume *vol = MATE_VOLUME_CONTROL_VOLUME (object);
-
- if (vol->id != 0) {
- g_source_remove (vol->id);
- vol->id = 0;
- }
-
- if (vol->track) {
- g_object_unref (G_OBJECT (vol->track));
- vol->track = NULL;
- }
-
- if (vol->mixer) {
- gst_object_unref (GST_OBJECT (vol->mixer));
- vol->mixer = NULL;
- }
-
- if (vol->scales) {
- g_list_free (vol->scales);
- vol->scales = NULL;
- }
-
- G_OBJECT_CLASS (mate_volume_control_volume_parent_class)->dispose (object);
-}
-
-/*
- * Gtk/GDK virtual functions for size negotiation.
- */
-
-static void
-mate_volume_control_volume_size_req (GtkWidget *widget,
- GtkRequisition *req)
-{
- MateVolumeControlVolume *vol = MATE_VOLUME_CONTROL_VOLUME (widget);
- GtkRequisition but_req, scale_req;
-
- /* request size of kids */
-#if GTK_CHECK_VERSION (3, 0, 0)
- gtk_widget_get_preferred_size (vol->button, &but_req, NULL);
- gtk_widget_get_preferred_size (vol->scales->data, &scale_req, NULL);
-#else
- GTK_WIDGET_GET_CLASS (vol->button)->size_request (vol->button, &but_req);
- GTK_WIDGET_GET_CLASS (vol->scales->data)->size_request (vol->scales->data,
- &scale_req);
-#endif
- if (scale_req.height < 100)
- scale_req.height = 100;
-
- /* calculate our own size from that */
- req->width = scale_req.width * vol->track->num_channels +
- vol->padding * (vol->track->num_channels - 1);
- req->height = scale_req.height + but_req.height /*+ vol->padding*/;
-}
-
-#if GTK_CHECK_VERSION (3, 0, 0)
-static void
-mate_volume_control_volume_get_preferred_width (GtkWidget *widget,
- gint *minimum_width,
- gint *natural_width)
-{
- GtkRequisition req;
- mate_volume_control_volume_size_req (widget, &req);
- *minimum_width = *natural_width = req.width;
-}
-
-static void
-mate_volume_control_volume_get_preferred_height (GtkWidget *widget,
- gint *minimum_height,
- gint *natural_height)
-{
- GtkRequisition req;
- mate_volume_control_volume_size_req (widget, &req);
- *minimum_height = *natural_height = req.height;
-}
-#endif
-
-static void
-mate_volume_control_volume_size_alloc (GtkWidget *widget,
- GtkAllocation *alloc)
-{
- MateVolumeControlVolume *vol = MATE_VOLUME_CONTROL_VOLUME (widget);
- GtkRequisition but_req, scale_req;
- GtkAllocation but_all, scale_all;
- gint x_offset, but_deco_width, n = 0;
- GList *scales;
- GtkAllocation allocation;
-
- /* loop? */
- gtk_widget_get_allocation (widget, &allocation);
- if (alloc->x == allocation.x &&
- alloc->y == allocation.y &&
- alloc->width == allocation.width &&
- alloc->height == allocation.height)
- return;
-
- /* request size of kids */
-#if GTK_CHECK_VERSION (3, 0, 0)
- gtk_widget_get_preferred_size (vol->button, &but_req, NULL);
- gtk_widget_get_preferred_size (vol->scales->data, &scale_req, NULL);
-#else
- GTK_WIDGET_GET_CLASS (vol->button)->size_request (vol->button, &but_req);
- GTK_WIDGET_GET_CLASS (vol->scales->data)->size_request (vol->scales->data,
- &scale_req);
-#endif
-
- /* calculate */
- x_offset = (alloc->width - ((vol->track->num_channels * scale_req.width) +
- (vol->track->num_channels - 1) * vol->padding)) / 2;
- scale_all.width = scale_req.width;
- scale_all.height = alloc->height - but_req.height;
- scale_all.y = 0;
- but_deco_width = alloc->width - (2 * x_offset);
- but_all.width = but_req.width;
- but_all.height = but_req.height;
- but_all.x = x_offset + (but_deco_width - but_req.width) / 2;
- but_all.y = alloc->height - but_req.height;
-
- /* tell sliders */
- for (scales = vol->scales; scales != NULL; scales = scales->next, n++) {
- scale_all.x = x_offset + n * (scale_req.width + vol->padding);
- gtk_fixed_move (GTK_FIXED (vol), scales->data, scale_all.x, scale_all.y);
- gtk_widget_set_size_request (scales->data, scale_all.width, scale_all.height);
- }
-
- /* tell button */
- if (vol->track->num_channels > 1) {
- gtk_fixed_move (GTK_FIXED (vol), vol->button, but_all.x, but_all.y);
- gtk_widget_set_size_request (vol->button, but_all.width, but_all.height);
- }
-
- /* parent will resize window */
- GTK_WIDGET_CLASS (mate_volume_control_volume_parent_class)->size_allocate (widget, alloc);
-}
-
-static gboolean
-#if GTK_CHECK_VERSION (3, 0, 0)
-mate_volume_control_volume_draw (GtkWidget *widget,
- cairo_t *cr)
-#else
-mate_volume_control_volume_expose (GtkWidget *widget,
- GdkEventExpose *expose)
-#endif
-{
- GtkAllocation allocation;
- MateVolumeControlVolume *vol = MATE_VOLUME_CONTROL_VOLUME (widget);
-
-#if !GTK_CHECK_VERSION (3, 0, 0)
- /* clear background */
- gtk_widget_get_allocation (widget, &allocation);
- gdk_window_clear_area (gtk_widget_get_window (widget), 0, 0,
- allocation.width,
- allocation.height);
-#endif
-
- if (vol->track->num_channels > 1) {
- gint x_offset, y_offset, height, width;
- GtkRequisition scale_req, but_req;
- GdkPoint points[3];
- GtkStyle *style;
- GtkStateType state;
-
- /* request size of kids */
-#if GTK_CHECK_VERSION (3, 0, 0)
- gtk_widget_get_preferred_size (vol->button, &but_req, NULL);
- gtk_widget_get_preferred_size (vol->scales->data, &scale_req, NULL);
-#else
- GTK_WIDGET_GET_CLASS (vol->button)->size_request (vol->button, &but_req);
- GTK_WIDGET_GET_CLASS (vol->scales->data)->size_request (vol->scales->data,
- &scale_req);
-#endif
-
- /* calculate */
- gtk_widget_get_allocation (widget, &allocation);
- x_offset = (allocation.width -
- ((vol->track->num_channels * scale_req.width) +
- (vol->track->num_channels - 1) * vol->padding)) / 2;
- y_offset = allocation.height - but_req.height;
- width = allocation.width - (2 * x_offset + but_req.width);
- height = but_req.height / 2;
- points[0].y = y_offset + 3;
- points[1].y = points[2].y = points[0].y + height - 3;
-
- /* draw chainbutton decorations */
- style = gtk_widget_get_style (widget);
- state = gtk_widget_get_state (widget);
-
- points[0].x = points[1].x = x_offset + 3;
- points[2].x = points[0].x + width - 6;
-#if GTK_CHECK_VERSION (3, 0, 0)
- cairo_move_to (cr, points[0].x, points[0].x);
- cairo_line_to (cr, points[1].x, points[1].x);
- cairo_move_to (cr, points[1].x, points[1].x);
- cairo_line_to (cr, points[2].x, points[2].x);
- cairo_move_to (cr, points[0].x, points[0].x);
-#else
- gtk_paint_polygon (style, gtk_widget_get_window (widget),
- state,
- GTK_SHADOW_ETCHED_IN,
- &expose->area, widget, "hseparator",
- points, 3, FALSE);
-#endif
-
- points[0].x = points[1].x = allocation.width - x_offset - 3;
- points[2].x = points[0].x - width + 6;
-#if GTK_CHECK_VERSION (3, 0, 0)
- cairo_move_to (cr, points[0].x, points[0].x);
- cairo_line_to (cr, points[1].x, points[1].x);
- cairo_move_to (cr, points[1].x, points[1].x);
- cairo_line_to (cr, points[2].x, points[2].x);
- cairo_move_to (cr, points[0].x, points[0].x);
-#else
- gtk_paint_polygon (style, gtk_widget_get_window (widget),
- state,
- GTK_SHADOW_ETCHED_IN,
- &expose->area, widget, "hseparator",
- points, 3, FALSE);
-#endif
-
-#if GTK_CHECK_VERSION (3, 0, 0)
- cairo_set_antialias (cr, CAIRO_ANTIALIAS_NONE);
- cairo_set_line_width (cr, 1.0);
- cairo_set_source_rgb (cr, 0, 0, 0);
- cairo_stroke (cr);
-#endif
- }
-
- /* take care of redrawing the kids */
-#if GTK_CHECK_VERSION (3, 0, 0)
- return GTK_WIDGET_CLASS (mate_volume_control_volume_parent_class)->draw (widget, cr);
-#else
- return GTK_WIDGET_CLASS (mate_volume_control_volume_parent_class)->expose_event (widget, expose);
-#endif
-}
-
-/*
- * Signals handlers.
- */
-
-static void
-cb_volume_changed (GtkAdjustment *_adj,
- gpointer data)
-{
- MateVolumeControlVolume *vol = data;
- gint *volumes, i = 0;
- GList *scales;
-
- if (vol->locked)
- return;
- vol->locked = TRUE;
- volumes = g_new (gint, vol->track->num_channels);
-
- for (scales = vol->scales; scales != NULL; scales = scales->next) {
- GtkAdjustment *adj = gtk_range_get_adjustment (scales->data);
-
- if (mate_volume_control_button_get_active (
- MATE_VOLUME_CONTROL_BUTTON (vol->button))) {
- gtk_adjustment_set_value (adj, gtk_adjustment_get_value (_adj));
- volumes[i++] = rint (gtk_adjustment_get_value (_adj));
- } else {
- volumes[i++] = rint (gtk_adjustment_get_value (adj));
- }
- }
-
- gst_mixer_set_volume (vol->mixer, vol->track, volumes);
-
- g_free (volumes);
- vol->locked = FALSE;
-}
-
-static void
-cb_lock_toggled (GtkToggleButton *button,
- gpointer data)
-{
- MateVolumeControlVolume *vol = data;
-
- if (mate_volume_control_button_get_active (
- MATE_VOLUME_CONTROL_BUTTON (vol->button))) {
- /* get the mean value, and set it on the first adjustment.
- * the cb_volume_changed () callback will take care of the
- * rest. */
- gint volume = 0, num = 0;
- GList *scales;
-
- for (scales = vol->scales ; scales != NULL; scales = scales->next) {
- GtkAdjustment *adj = gtk_range_get_adjustment (scales->data);
-
- num++;
- volume += gtk_adjustment_get_value (adj);
- }
-
- /* safety check */
- if (vol->scales != NULL) {
- gtk_adjustment_set_value (gtk_range_get_adjustment (vol->scales->data),
- volume / num);
- }
- }
-}
-
-/*
- * See if our volume is zero.
- */
-
-void
-mate_volume_control_volume_ask (MateVolumeControlVolume * vol,
- gboolean *real_zero, gboolean *slider_zero)
-{
- GList *scales;
- gint *volumes, n, tot = 0;
-
- volumes = g_new (gint, vol->track->num_channels);
- gst_mixer_get_volume (vol->mixer, vol->track, volumes);
- for (n = 0; n < vol->track->num_channels; n++)
- tot += volumes[n];
- g_free (volumes);
- *real_zero = (tot == 0);
-
- *slider_zero = TRUE;
- for (n = 0, scales = vol->scales;
- scales != NULL; scales = scales->next, n++) {
- GtkAdjustment *adj = gtk_range_get_adjustment (scales->data);
- 
- if (rint (gtk_adjustment_get_value (adj)) != 0) {
- *slider_zero = FALSE;
- break;
- }
- }
-}
-
-
-void
-mate_volume_control_volume_update (MateVolumeControlVolume *vol)
-{
- gint *volumes, n;
- GList *scales;
-
- /* don't do callbacks */
- if (vol->locked)
- return;
-
- vol->locked = TRUE;
-
- volumes = g_new (gint, vol->track->num_channels);
- gst_mixer_get_volume (vol->mixer, vol->track, volumes);
-
- /* did we change? */
- for (n = 0, scales = vol->scales;
- scales != NULL; scales = scales->next, n++) {
- GtkAdjustment *adj = gtk_range_get_adjustment (scales->data);
-
- if ((gint) gtk_adjustment_get_value (adj) != volumes[n]) {
- gtk_range_set_value (scales->data, volumes[n]);
- }
-
- /* should we release lock? */
- if (volumes[n] != volumes[0]) {
- mate_volume_control_button_set_active (
- MATE_VOLUME_CONTROL_BUTTON (vol->button), FALSE);
- }
- }
-
- g_free (volumes);
- vol->locked = FALSE;
-}
-
-/*
- * Timeout to check for volume changes.
- */
-
-static gboolean
-cb_check (gpointer data)
-{
- mate_volume_control_volume_update (data);
-
- return TRUE;
-}