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-rw-r--r--gst-mixer-applet/preferences.c444
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diff --git a/gst-mixer-applet/preferences.c b/gst-mixer-applet/preferences.c
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--- a/gst-mixer-applet/preferences.c
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-/* MATE Volume Applet
- * Copyright (C) 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., 51 Franklin St, Fifth Floor,
- * Boston, MA 02110-1301, USA.
- */
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include <string.h>
-
-#include <glib/gi18n.h>
-#include <glib.h>
-
-#include <gtk/gtk.h>
-
-#include <gst/interfaces/mixer.h>
-
-#include "applet.h"
-#include "preferences.h"
-#include "keys.h"
-
-enum {
- COL_LABEL,
- COL_TRACK,
- NUM_COLS
-};
-
-static void mate_volume_applet_preferences_class_init (MateVolumeAppletPreferencesClass *klass);
-static void mate_volume_applet_preferences_init (MateVolumeAppletPreferences *prefs);
-static void mate_volume_applet_preferences_dispose (GObject *object);
-static void mate_volume_applet_preferences_response (GtkDialog *dialog,
- gint response_id);
-
-static void cb_dev_selected (GtkComboBox *box,
- gpointer data);
-
-static gboolean cb_track_select (GtkTreeSelection *selection,
- GtkTreeModel *model,
- GtkTreePath *path,
- gboolean path_selected,
- gpointer data);
-
-static GtkDialogClass *parent_class = NULL;
-
-G_DEFINE_TYPE (MateVolumeAppletPreferences, mate_volume_applet_preferences, GTK_TYPE_DIALOG)
-
-static void
-mate_volume_applet_preferences_class_init (MateVolumeAppletPreferencesClass *klass)
-{
- GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
- GtkDialogClass *gtkdialog_class = (GtkDialogClass *) klass;
-
- parent_class = g_type_class_ref (GTK_TYPE_DIALOG);
-
- gobject_class->dispose = mate_volume_applet_preferences_dispose;
- gtkdialog_class->response = mate_volume_applet_preferences_response;
-}
-
-static void
-mate_volume_applet_preferences_init (MateVolumeAppletPreferences *prefs)
-{
- GtkWidget *box, *label, *view;
- GtkListStore *store;
- GtkTreeSelection *sel;
- GtkTreeViewColumn *col;
- GtkCellRenderer *render;
- GList *cells;
-
- prefs->applet = NULL;
- prefs->mixer = NULL;
-
- /* make window look cute */
- gtk_window_set_title (GTK_WINDOW (prefs), _("Volume Control Preferences"));
-#if !GTK_CHECK_VERSION (3, 0, 0)
- gtk_dialog_set_has_separator (GTK_DIALOG (prefs), FALSE);
-#endif
- 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 (_("Select the device and track to control."));
- 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);
-
- /* optionmenu */
- prefs->optionmenu = gtk_combo_box_text_new ();
- cells = gtk_cell_layout_get_cells (GTK_CELL_LAYOUT (prefs->optionmenu));
- g_object_set (G_OBJECT (cells->data), "ellipsize", PANGO_ELLIPSIZE_END, NULL);
- g_list_free (cells);
-
- gtk_box_pack_start (GTK_BOX (box), prefs->optionmenu, FALSE, FALSE, 0);
- gtk_widget_show (prefs->optionmenu);
- g_signal_connect (prefs->optionmenu, "changed",
- G_CALLBACK (cb_dev_selected), prefs);
-
- store = gtk_list_store_new (NUM_COLS,
- G_TYPE_STRING, G_TYPE_POINTER);
- prefs->treeview = gtk_tree_view_new_with_model (GTK_TREE_MODEL (store));
- gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (prefs->treeview), FALSE);
-
- /* 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, 100);
-
- 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_MULTIPLE);
- gtk_tree_selection_set_select_function (sel, cb_track_select, prefs, NULL);
-
- render = gtk_cell_renderer_text_new ();
- col = gtk_tree_view_column_new_with_attributes ("Track name", render,
- "text", COL_LABEL,
- NULL);
- gtk_tree_view_column_set_clickable (col, TRUE);
- 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_applet_preferences_new (MateVolumeApplet *applet,
- GList *elements,
- GstMixer *mixer,
- GList *tracks)
-{
- MateVolumeAppletPreferences *prefs;
-
- /* element */
- prefs = g_object_new (MATE_VOLUME_APPLET_TYPE_PREFERENCES, NULL);
- prefs->applet = g_object_ref (G_OBJECT (applet));
-
- /* show devices */
- for ( ; elements != NULL; elements = elements->next) {
- gchar *name = g_object_get_data (G_OBJECT (elements->data),
- "mate-volume-applet-name");
- gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (prefs->optionmenu), name);
- }
-
- mate_volume_applet_preferences_change (prefs, mixer, tracks);
- return GTK_WIDGET (prefs);
-}
-
-static void
-mate_volume_applet_preferences_dispose (GObject *object)
-{
- MateVolumeAppletPreferences *prefs = MATE_VOLUME_APPLET_PREFERENCES (object);
-
- if (prefs->applet) {
- g_object_unref (G_OBJECT (prefs->applet));
- prefs->applet = NULL;
- }
-
- if (prefs->mixer) {
- gst_object_unref (GST_OBJECT (prefs->mixer));
- prefs->mixer = NULL;
- }
-
- G_OBJECT_CLASS (parent_class)->dispose (object);
-}
-
-static void
-mate_volume_applet_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 *) parent_class)->response)
- ((GtkDialogClass *) parent_class)->response (dialog, response_id);
-}
-
-/*
- * Change the element. Basically recreates this object internally.
- */
-
-void
-mate_volume_applet_preferences_change (MateVolumeAppletPreferences *prefs,
- GstMixer *mixer,
- GList *tracks)
-{
- GtkTreeIter iter;
- GtkTreeSelection *sel;
- GtkListStore *store;
- GtkTreeModel *model;
- const GList *item;
- gchar *label;
- gboolean change = (mixer != prefs->mixer), res;
- GList *tree_iter;
-
- /* because the old list of tracks is cleaned out when the application removes
- * all the tracks, we need to keep a backup of the list before clearing it */
- GList *old_selected_tracks = g_list_copy (tracks);
-
- prefs->track_lock = TRUE;
- if (change) {
- /* remove old */
- model = gtk_tree_view_get_model (GTK_TREE_VIEW (prefs->treeview));
- store = GTK_LIST_STORE (model);
-
- 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 (mixer));
-
- /* select active element */
- model = gtk_combo_box_get_model (GTK_COMBO_BOX (prefs->optionmenu));
- for (res = gtk_tree_model_get_iter_first (model, &iter); res; res = gtk_tree_model_iter_next (model, &iter)) {
- gtk_tree_model_get (model, &iter, COL_LABEL, &label, -1);
- if (!strcmp (label, g_object_get_data (G_OBJECT (mixer), "mate-volume-applet-name"))) {
- gtk_combo_box_set_active_iter (GTK_COMBO_BOX (prefs->optionmenu), &iter);
- }
-
- g_free (label);
- }
-
- /* now over to the tracks */
- model = gtk_tree_view_get_model (GTK_TREE_VIEW (prefs->treeview));
- store = GTK_LIST_STORE (model);
- sel = gtk_tree_view_get_selection (GTK_TREE_VIEW (prefs->treeview));
-
- /* add all tracks */
- for (item = gst_mixer_list_tracks (mixer); item; item = item->next) {
- GstMixerTrack *track = item->data;
-
- if (track->num_channels <= 0)
- continue;
-
- gtk_list_store_append (store, &iter);
- gtk_list_store_set (store, &iter,
- COL_LABEL, track->label,
- COL_TRACK, track,
- -1);
-
- /* select active tracks */
- for (tree_iter = g_list_first (old_selected_tracks); tree_iter; tree_iter = tree_iter->next) {
- GstMixerTrack *test_against = tree_iter->data;
- if (!strcmp (test_against->label, track->label))
- gtk_tree_selection_select_iter (sel, &iter);
- }
- }
- } else {
- model = gtk_tree_view_get_model (GTK_TREE_VIEW (prefs->treeview));
- sel = gtk_tree_view_get_selection (GTK_TREE_VIEW (prefs->treeview));
- gtk_tree_selection_unselect_all (sel);
-
- for (res = gtk_tree_model_get_iter_first (model, &iter); res == TRUE; res = gtk_tree_model_iter_next (model, &iter)) {
- gtk_tree_model_get (model, &iter, COL_LABEL, &label, -1);
-
- /* select active tracks */
- for (tree_iter = g_list_first (old_selected_tracks); tree_iter; tree_iter = tree_iter->next) {
- GstMixerTrack *track = tree_iter->data;
- if (!strcmp (track->label, label))
- gtk_tree_selection_select_iter (sel, &iter);
- }
-
- g_free (label);
- }
- }
- prefs->track_lock = FALSE;
- g_list_free (old_selected_tracks);
-}
-
-/*
- * Select callback (menu/tree).
- */
-
-static void
-cb_dev_selected (GtkComboBox *box,
- gpointer data)
-{
- MateVolumeAppletPreferences *prefs = data;
- /* MateVolumeApplet *applet = (MateVolumeApplet *) prefs->applet; */
- GtkTreeIter iter;
-
- if (gtk_combo_box_get_active_iter (box, &iter)) {
- gchar *label;
-
- gtk_tree_model_get (gtk_combo_box_get_model (box),
- &iter, COL_LABEL, &label, -1);
-
- /* write to gsettings */
- g_settings_set_string (prefs->applet->settings,
- MATE_VOLUME_APPLET_KEY_ACTIVE_ELEMENT,
- label);
- g_free (label);
- }
-}
-
-/* get the percent volume from a track */
-
-static int
-mate_volume_applet_get_volume (GstMixer *mixer, GstMixerTrack *track)
-{
- int *volumes, main_volume, range;
-
- if (track->num_channels == 0)
- return 0;
-
- volumes = g_new (gint, track->num_channels);
- gst_mixer_get_volume (mixer, track, volumes);
- main_volume = volumes[0];
- g_free (volumes);
-
- range = track->max_volume - track->min_volume;
- if (range == 0)
- return 0;
-
- return 100 * (main_volume - track->min_volume) / range;
-}
-
-static gboolean
-cb_track_select (GtkTreeSelection *selection,
- GtkTreeModel *model,
- GtkTreePath *path,
- gboolean path_selected,
- gpointer data)
-{
- MateVolumeAppletPreferences *prefs = data;
- GtkTreeIter iter;
- gchar *label;
- GtkTreeSelection *sel;
- GString *gsettings_string;
- GstMixerTrack *selected_track; /* the track just selected */
- MateVolumeApplet *applet = (MateVolumeApplet*) prefs->applet; /* required to update the track settings */
- int volume_percent;
-
- if (prefs->track_lock)
- return TRUE;
-
- gsettings_string = g_string_new ("");
-
- /* get value */
- gtk_tree_model_get_iter (model, &iter, path);
- gtk_tree_model_get (model, &iter, COL_LABEL, &label, COL_TRACK, &selected_track, -1);
- sel = gtk_tree_view_get_selection (GTK_TREE_VIEW (prefs->treeview));
-
- /* clear the list of selected tracks */
- if (applet->tracks) {
- g_list_free (applet->tracks);
- applet->tracks = NULL;
- }
-
- if (gtk_tree_selection_count_selected_rows (sel) > 0) {
- GList *lst;
-
- /* add the ones already selected */
- for (lst = gtk_tree_selection_get_selected_rows (sel, &model); lst != NULL; lst = lst->next) {
- GstMixerTrack *curr = NULL;
- gchar *it_label;
-
- gtk_tree_model_get_iter (model, &iter, lst->data);
- gtk_tree_model_get (model, &iter, COL_LABEL, &it_label, COL_TRACK, &curr, -1);
-
- /* grab the main volume (they will all be the same, so it doesn't matter
- * which one we get) */
- volume_percent = mate_volume_applet_get_volume (prefs->mixer, curr);
-
- if (strcmp (it_label, label)) {
- applet->tracks = g_list_append (applet->tracks, curr);
-
- if (!path_selected) {
- g_string_append_printf (gsettings_string, "%s:", curr->label);
- } else {
- gsettings_string = g_string_append (gsettings_string, curr->label);
- }
- }
- }
- g_list_foreach (lst, (GFunc)gtk_tree_path_free, NULL);
- g_list_free (lst);
- }
-
- /* add the one just selected and adjust its volume if it's not the only one
- * selected */
- if (!path_selected) {
- GstMixerTrack *curr;
-
- gtk_tree_model_get_iter (model, &iter, path);
- gtk_tree_model_get (model, &iter, COL_TRACK, &curr, -1);
- gsettings_string = g_string_append (gsettings_string, curr->label);
-
- applet->tracks = g_list_append (applet->tracks, curr);
-
- /* unify the volume of this track with the others already added */
- if (g_list_length (applet->tracks) > 1) {
- mate_volume_applet_adjust_volume (prefs->mixer, curr, volume_percent);
- }
- }
-
- /* write to gsettings */
- g_settings_set_string (prefs->applet->settings,
- MATE_VOLUME_APPLET_KEY_ACTIVE_TRACK,
- gsettings_string->str);
- g_free (label);
- g_string_free (gsettings_string, TRUE);
-
- return TRUE;
-}