moved from Mate-Extra

1 files changed, 441 insertions, 0 deletions

diff --git a/gst-mixer/src/preferences.c b/gst-mixer/src/preferences.c
new file mode 100644
index 0000000..7b34085
--- /dev/null
+++ b/gst-mixer/src/preferences.c
@@ -0,0 +1,441 @@
+/* MATE Volume Control
+ * Copyright (C) 2003-2004 Ronald Bultje <[email protected]>
+ *
+ * preferences.c: preferences screen
+ *
+ * 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., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <string.h>
+#include <glib/gi18n.h>
+#include <gtk/gtk.h>
+#include <mateconf/mateconf-client.h>
+
+#include "element.h"
+#include "preferences.h"
+#include "keys.h"
+#include "track.h"
+#include "misc.h"
+
+enum {
+  COL_ACTIVE,
+  COL_LABEL,
+  COL_TRACK,
+  COL_TYPE,
+  COL_PAGE,
+  NUM_COLS
+};
+
+G_DEFINE_TYPE (MateVolumeControlPreferences, mate_volume_control_preferences, GTK_TYPE_DIALOG)
+
+static void	mate_volume_control_preferences_class_init	(MateVolumeControlPreferencesClass *klass);
+static void	mate_volume_control_preferences_init	(MateVolumeControlPreferences *prefs);
+static void	mate_volume_control_preferences_dispose (GObject *object);
+static void	mate_volume_control_preferences_response (GtkDialog *dialog,
+							   gint       response_id);
+
+static void	set_mateconf_track_active	(MateConfClient *client, GstMixer *mixer, 
+					 GstMixerTrack *track, gboolean active);
+
+
+static void	cb_toggle		(GtkCellRendererToggle *cell,
+					 gchar                 *path_str,
+					 gpointer               data);
+static void	cb_activated		(GtkTreeView *view, GtkTreePath *path,
+					 GtkTreeViewColumn *col, gpointer userdata);
+static void	cb_mateconf		(MateConfClient     *client,
+					 guint            connection_id,
+					 MateConfEntry      *entry,
+					 gpointer         userdata);
+
+
+static void
+mate_volume_control_preferences_class_init (MateVolumeControlPreferencesClass *klass)
+{
+  GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
+  GtkDialogClass *gtkdialog_class = (GtkDialogClass *) klass;
+
+  gobject_class->dispose = mate_volume_control_preferences_dispose;
+  gtkdialog_class->response = mate_volume_control_preferences_response;
+}
+
+/*
+ * Mixer tracks are sorted by their types.
+ */
+static gint
+sort_by_page_num (GtkTreeModel *model, GtkTreeIter *a, GtkTreeIter *b, gpointer user_data)
+{
+	gint a_type, b_type;
+
+	gtk_tree_model_get (model, a, COL_PAGE, &a_type, -1);
+	gtk_tree_model_get (model, b, COL_PAGE, &b_type, -1);
+
+	return (a_type - b_type);
+}
+
+static void
+mate_volume_control_preferences_init (MateVolumeControlPreferences *prefs)
+{
+  GtkWidget *box, *label, *view;
+  GtkListStore *store;
+  GtkTreeSelection *sel;
+  GtkTreeViewColumn *col;
+  GtkCellRenderer *render;
+
+  prefs->client = NULL;
+  prefs->client_cnxn = 0;
+  prefs->mixer = NULL;
+
+  /* make window look cute */
+  gtk_window_set_title (GTK_WINDOW (prefs), _("Volume Control Preferences"));
+  gtk_dialog_set_has_separator (GTK_DIALOG (prefs), FALSE);
+  gtk_container_set_border_width (GTK_CONTAINER (prefs), 5);
+  gtk_box_set_spacing (GTK_BOX (gtk_dialog_get_content_area (GTK_DIALOG (prefs))), 2);
+  gtk_dialog_add_buttons (GTK_DIALOG (prefs),
+			  GTK_STOCK_CLOSE, GTK_RESPONSE_CLOSE,
+			  /* help goes here (future) */
+			  NULL);
+
+  /* add a treeview for all the properties */
+  box = gtk_vbox_new (FALSE, 6);
+  gtk_container_set_border_width (GTK_CONTAINER (box), 5);
+
+  label = gtk_label_new_with_mnemonic (_("_Select mixers to be visible:"));
+  gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
+  gtk_box_pack_start (GTK_BOX (box), label, FALSE, FALSE, 0);
+  gtk_widget_show (label);
+
+  store = gtk_list_store_new (NUM_COLS, G_TYPE_BOOLEAN,
+			      G_TYPE_STRING, G_TYPE_POINTER, G_TYPE_STRING,
+			      G_TYPE_INT);
+  gtk_tree_sortable_set_default_sort_func (GTK_TREE_SORTABLE (store), sort_by_page_num, NULL, NULL);
+  gtk_tree_sortable_set_sort_column_id (GTK_TREE_SORTABLE (store), GTK_TREE_SORTABLE_DEFAULT_SORT_COLUMN_ID, GTK_SORT_ASCENDING);
+  prefs->treeview = gtk_tree_view_new_with_model (GTK_TREE_MODEL (store));
+  gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (prefs->treeview), FALSE);
+  gtk_label_set_mnemonic_widget (GTK_LABEL(label), GTK_WIDGET (prefs->treeview));
+
+  /* viewport for lots of tracks */
+  view = gtk_scrolled_window_new (NULL, NULL);
+  gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (view),
+				  GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
+  gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (view),
+				       GTK_SHADOW_IN);
+  gtk_widget_set_size_request (view, -1, 250);
+
+  gtk_container_add (GTK_CONTAINER (view), prefs->treeview);
+  gtk_box_pack_start (GTK_BOX (box), view, TRUE, TRUE, 0);
+
+  gtk_widget_show (prefs->treeview);
+  gtk_widget_show (view);
+
+  /* treeview internals */
+  sel = gtk_tree_view_get_selection (GTK_TREE_VIEW (prefs->treeview));
+  gtk_tree_selection_set_mode (sel, GTK_SELECTION_SINGLE);
+
+  render = gtk_cell_renderer_toggle_new ();
+  g_signal_connect (render, "toggled",
+		    G_CALLBACK (cb_toggle), prefs);
+  g_signal_connect (prefs->treeview, "row-activated",
+		    G_CALLBACK (cb_activated), prefs);
+  col = gtk_tree_view_column_new_with_attributes ("Active", render,
+						  "active", COL_ACTIVE,
+						  NULL);
+  gtk_tree_view_column_set_clickable (col, TRUE);
+  gtk_tree_view_append_column (GTK_TREE_VIEW (prefs->treeview), col);
+
+  render = gtk_cell_renderer_text_new ();
+  col = gtk_tree_view_column_new_with_attributes ("Track name", render,
+						  "text", COL_LABEL,
+						  NULL);
+  gtk_tree_view_append_column (GTK_TREE_VIEW (prefs->treeview), col);
+
+  render = gtk_cell_renderer_text_new ();
+  col = gtk_tree_view_column_new_with_attributes ("Type", render,
+                          "text", COL_TYPE,
+						  NULL);
+  gtk_tree_view_append_column (GTK_TREE_VIEW (prefs->treeview), col);
+
+  gtk_tree_view_set_search_column (GTK_TREE_VIEW (prefs->treeview), COL_LABEL);
+
+  /* and show */
+  gtk_box_pack_start (GTK_BOX (gtk_dialog_get_content_area (GTK_DIALOG (prefs))), box,
+		      TRUE, TRUE, 0);
+  gtk_widget_show (box);
+}
+
+GtkWidget *
+mate_volume_control_preferences_new (GstElement  *element,
+				      MateConfClient *client)
+{
+  MateVolumeControlPreferences *prefs;
+
+  g_return_val_if_fail (GST_IS_MIXER (element), NULL);
+
+  /* element */
+  prefs = g_object_new (MATE_VOLUME_CONTROL_TYPE_PREFERENCES, NULL);
+  prefs->client = g_object_ref (G_OBJECT (client));
+
+  mate_volume_control_preferences_change (prefs, element);
+
+  /* mateconf */
+  prefs->client_cnxn = mateconf_client_notify_add (prefs->client, 
+						MATE_VOLUME_CONTROL_KEY_DIR,
+						cb_mateconf, prefs, NULL, NULL);
+
+  return GTK_WIDGET (prefs);
+}
+
+static void
+mate_volume_control_preferences_dispose (GObject *object)
+{
+  MateVolumeControlPreferences *prefs;
+
+  prefs = MATE_VOLUME_CONTROL_PREFERENCES (object);
+
+  if (prefs->client) {
+    mateconf_client_notify_remove (prefs->client, prefs->client_cnxn);
+    g_object_unref (G_OBJECT (prefs->client));
+    prefs->client = NULL;
+  }
+
+  if (prefs->mixer) {
+    gst_object_unref (GST_OBJECT (prefs->mixer));
+    prefs->mixer = NULL;
+  }
+
+  G_OBJECT_CLASS (mate_volume_control_preferences_parent_class)->dispose (object);
+}
+
+static void
+mate_volume_control_preferences_response (GtkDialog *dialog,
+					   gint       response_id)
+{
+  switch (response_id) {
+    case GTK_RESPONSE_CLOSE:
+      gtk_widget_destroy (GTK_WIDGET (dialog));
+      break;
+
+    default:
+      break;
+  }
+
+  if (((GtkDialogClass *) mate_volume_control_preferences_parent_class)->response)
+    ((GtkDialogClass *) mate_volume_control_preferences_parent_class)->response (dialog, response_id);
+}
+
+/*
+ * Hide non-alphanumeric characters, for saving in mateconf.
+ */
+
+gchar *
+get_mateconf_key (GstMixer *mixer, GstMixerTrack *track)
+{
+  const gchar *dev;
+  gchar *res;
+  gint i, pos;
+  gchar *label = NULL;
+
+  g_return_val_if_fail(mixer != NULL, NULL);
+
+  dev = g_object_get_data (G_OBJECT (mixer),
+			   "mate-volume-control-name");
+  if (track != NULL) {
+    label = g_strdup (track->label);
+  } else {
+    label = g_strdup ("");
+  }
+
+  pos = strlen (MATE_VOLUME_CONTROL_KEY_DIR) + 1;
+  res = g_new (gchar, pos + strlen (dev) + 1 + strlen (label) + 1);
+  strcpy (res, MATE_VOLUME_CONTROL_KEY_DIR "/");
+
+  for (i = 0; dev[i] != '\0'; i++) {
+    if (g_ascii_isalnum (dev[i]))
+      res[pos++] = dev[i];
+  }
+  res[pos] = '/';
+  for (i = 0; label[i] != '\0'; i++) {
+    if (g_ascii_isalnum (label[i]))
+      res[pos++] = label[i];
+  }
+  res[pos] = '\0';
+
+  g_free (label);
+  return res;
+}
+
+/*
+ * Change the element. Basically recreates this object internally.
+ */
+
+void
+mate_volume_control_preferences_change (MateVolumeControlPreferences *prefs,
+					 GstElement *element)
+{
+  GstMixer *mixer;
+  GtkTreeIter iter;
+  GtkListStore *store;
+  const GList *item;
+  gint pgnum;
+
+  g_return_if_fail (GST_IS_MIXER (element));
+  mixer = GST_MIXER (element);
+
+  store = GTK_LIST_STORE (gtk_tree_view_get_model (GTK_TREE_VIEW (prefs->treeview)));
+
+  /* remove old */
+  while (gtk_tree_model_get_iter_first (GTK_TREE_MODEL (store), &iter)) {
+    gtk_list_store_remove (store, &iter);
+  }
+
+  /* take/put reference */
+  gst_object_replace ((GstObject **) &prefs->mixer, GST_OBJECT (element));
+
+  /* add all tracks */
+  mate_volume_control_element_whitelist (mixer, NULL);
+  for (item = gst_mixer_list_tracks (mixer);
+       item != NULL; item = item->next) {
+    GstMixerTrack *track = item->data;
+    gchar *key = get_mateconf_key (mixer, track);
+    MateConfValue *value;
+    gboolean active = mate_volume_control_element_whitelist (mixer, track);
+
+    if ((value = mateconf_client_get (prefs->client, key, NULL)) != NULL &&
+        value->type == MATECONF_VALUE_BOOL) {
+      active = mateconf_value_get_bool (value);
+    }
+    g_free (key);
+
+    pgnum = get_page_num (mixer, track);
+    gtk_list_store_append (store, &iter);
+    gtk_list_store_set (store, &iter,
+			COL_ACTIVE, active,
+			COL_LABEL, track->label,
+			COL_TRACK, track,
+			COL_TYPE, get_page_description (pgnum),
+			COL_PAGE, pgnum,
+			-1);
+  }
+}
+
+/*
+ * Callback if something is toggled.
+ */
+
+static void
+set_mateconf_track_active(MateConfClient *client, GstMixer *mixer, 
+		       GstMixerTrack *track, gboolean active)
+{
+  gchar *key;
+
+  key = get_mateconf_key (mixer, track);
+  mateconf_client_set_bool (client, key, active, NULL);
+  g_free (key);
+}
+
+static void	
+cb_mateconf(MateConfClient *client, guint connection_id, 
+	 MateConfEntry *entry, gpointer userdata)
+{
+  MateVolumeControlPreferences *prefs;
+  MateConfValue *value;
+  GtkTreeIter iter;
+  GtkTreeModel *model;
+  gchar *keybase;
+  gboolean active, valid;
+  GstMixerTrack *track;
+
+  prefs = MATE_VOLUME_CONTROL_PREFERENCES (userdata);
+  model = gtk_tree_view_get_model (GTK_TREE_VIEW(prefs->treeview));
+  keybase = get_mateconf_key (prefs->mixer, NULL);
+
+  if (g_str_equal (mateconf_entry_get_key (entry), keybase) &&
+      (value = mateconf_entry_get_value (entry)) != NULL &&
+      (value->type == MATECONF_VALUE_BOOL)) {
+    active = mateconf_value_get_bool (value); 
+    valid = gtk_tree_model_get_iter_first(model, &iter);
+
+    while (valid == TRUE) {
+      gtk_tree_model_get (model, &iter,
+			  COL_TRACK, &track,
+			  -1);
+      if (g_str_equal (track->label, mateconf_entry_get_key (entry) + strlen (keybase))) {
+	gtk_list_store_set( GTK_LIST_STORE(model), &iter, COL_ACTIVE, active, -1);
+	break ;
+      }
+      valid = gtk_tree_model_iter_next(model, &iter);
+    }
+  }
+}
+
+static void
+cb_activated(GtkTreeView *view, GtkTreePath *path,
+	     GtkTreeViewColumn *col, gpointer userdata)
+
+{
+  GtkTreeModel *model;
+  GtkTreeIter iter;
+  gboolean active;
+  GstMixerTrack *track;
+  MateVolumeControlPreferences *prefs;
+
+  prefs = MATE_VOLUME_CONTROL_PREFERENCES (userdata);
+  model = gtk_tree_view_get_model(view);
+
+  if (gtk_tree_model_get_iter(model, &iter, path)) {
+    gtk_tree_model_get(model, &iter, 
+		       COL_ACTIVE, &active, 
+		       COL_TRACK, &track,
+		       -1);
+
+    active = !active;
+
+    gtk_list_store_set( GTK_LIST_STORE(model), &iter, COL_ACTIVE, active, -1);
+    set_mateconf_track_active(prefs->client, prefs->mixer, track, active);
+  }
+}
+
+static void
+cb_toggle (GtkCellRendererToggle *cell,
+	   gchar                 *path_str,
+	   gpointer               data)
+{
+  MateVolumeControlPreferences *prefs = data;
+  GtkTreeModel *model = gtk_tree_view_get_model (GTK_TREE_VIEW (prefs->treeview));
+  GtkTreePath *path = gtk_tree_path_new_from_string (path_str);
+  GtkTreeIter iter;
+  gboolean active;
+  GstMixerTrack *track;
+
+  gtk_tree_model_get_iter (model, &iter, path);
+  gtk_tree_model_get (model, &iter,
+		      COL_ACTIVE, &active,
+		      COL_TRACK, &track,
+		      -1);
+
+  active = !active;
+
+  gtk_list_store_set (GTK_LIST_STORE (model), &iter,
+		      COL_ACTIVE, active,
+		      -1);
+  gtk_tree_path_free (path);
+
+  set_mateconf_track_active(prefs->client, prefs->mixer, track, active);
+}