X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~mdw/git/disorder/blobdiff_plain/83fb99f9459f4f6a270d2b75c8dd0137d2f2ccde..591bec8587c71a025bcc83092145b0ef9ffbe944:/disobedience/queue.c

diff --git a/disobedience/queue.c b/disobedience/queue.c
index 817dc11..3aec533 100644
--- a/disobedience/queue.c
+++ b/disobedience/queue.c
@@ -2,22 +2,24 @@
  * This file is part of DisOrder
  * Copyright (C) 2006-2008 Richard Kettlewell
  *
- * This program is free software; you can redistribute it and/or modify
+ * 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
+ * the Free Software Foundation, either version 3 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.
- *
+ * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307
- * USA
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+/** @file disobedience/queue.c
+ * @brief Disobedience queue widget
  */
 #include "disobedience.h"
+#include "popup.h"
 #include "queue-generic.h"
 
 /** @brief The actual queue */
@@ -27,19 +29,21 @@ static struct queue_entry *actual_playing_track;
 /** @brief The playing track */
 struct queue_entry *playing_track;
 
-/** @brief When we last got the playing track */
+/** @brief When we last got the playing track
+ *
+ * Set to 0 if the timings are currently off due to having just unpaused.
+ */
 time_t last_playing;
 
 static void queue_completed(void *v,
-                            const char *error,
+                            const char *err,
                             struct queue_entry *q);
 static void playing_completed(void *v,
-                              const char *error,
+                              const char *err,
                               struct queue_entry *q);
 
 /** @brief Called when either the actual queue or the playing track change */
 static void queue_playing_changed(void) {
-
   /* Check that the playing track isn't in the queue.  There's a race here due
    * to the fact that we issue the two commands at slightly different times.
    * If it goes wrong we re-issue and try again, so that we never offer up an
@@ -65,7 +69,6 @@ static void queue_playing_changed(void) {
     playing_track = NULL;
     q = actual_queue;
   }
-  time(&last_playing);          /* for column_length() */
   ql_new_queue(&ql_queue, q);
   /* Tell anyone who cares */
   event_raise("queue-list-changed", q);
@@ -74,10 +77,10 @@ static void queue_playing_changed(void) {
 
 /** @brief Update the queue itself */
 static void queue_completed(void attribute((unused)) *v,
-                            const char *error,
+                            const char *err,
                             struct queue_entry *q) {
-  if(error) {
-    popup_protocol_error(0, error);
+  if(err) {
+    popup_protocol_error(0, err);
     return;
   }
   actual_queue = q;
@@ -86,14 +89,15 @@ static void queue_completed(void attribute((unused)) *v,
 
 /** @brief Update the playing track */
 static void playing_completed(void attribute((unused)) *v,
-                              const char *error,
+                              const char *err,
                               struct queue_entry *q) {
-  if(error) {
-    popup_protocol_error(0, error);
+  if(err) {
+    popup_protocol_error(0, err);
     return;
   }
   actual_playing_track = q;
   queue_playing_changed();
+  xtime(&last_playing);
 }
 
 /** @brief Schedule an update to the queue
@@ -117,6 +121,9 @@ static void playing_changed(const char attribute((unused)) *event,
                             void  attribute((unused)) *callbackdata) {
   D(("playing_changed"));
   gtk_label_set_text(GTK_LABEL(report_label), "updating playing track");
+  /* Setting last_playing=0 means that we don't know what the correct value
+   * is right now, e.g. because things have been deranged by a pause. */
+  last_playing = 0;
   disorder_eclient_playing(client, playing_completed, 0);
 }
 
@@ -132,7 +139,7 @@ static gboolean playing_periodic(gpointer attribute((unused)) data) {
 }
 
 /** @brief Called at startup */
-static void queue_init(void) {
+static void queue_init(struct queuelike attribute((unused)) *ql) {
   /* Arrange a callback whenever the playing state changes */ 
   event_register("playing-changed", playing_changed, 0);
   /* We reget both playing track and queue at pause/resume so that start times
@@ -145,6 +152,46 @@ static void queue_init(void) {
   g_timeout_add(1000/*ms*/, playing_periodic, 0);
 }
 
+static void queue_move_completed(void attribute((unused)) *v,
+                                 const char *err) {
+  if(err) {
+    popup_protocol_error(0, err);
+    return;
+  }
+  /* The log should tell us the queue changed so we do no more here */
+}
+
+/** @brief Called when drag+drop completes */
+static void queue_drop(struct queuelike attribute((unused)) *ql,
+                       int ntracks,
+                       char attribute((unused)) **tracks, char **ids,
+                       struct queue_entry *after_me) {
+  int n;
+  
+  if(playing_track) {
+    /* If there's a playing track then you can't drag it anywhere  */
+    for(n = 0; n < ntracks; ++n) {
+      if(!strcmp(playing_track->id, ids[n])) {
+        fprintf(stderr, "cannot drag playing track\n");
+        return;
+      }
+    }
+    /* You can't tell the server to drag after the playing track by ID, you
+     * have to send "". */
+    if(after_me == playing_track)
+      after_me = NULL;
+    /* If you try to drag before the playing track (i.e. after_me=NULL on
+     * input) then the effect is just to drag after it, although there's no
+     * longer code to explicitly implement this. */
+  }
+  /* Tell the server to move them.  The log will tell us about the change (if
+   * indeed it succeeds!), so no need to rearrange the model now. */
+  disorder_eclient_moveafter(client,
+                             after_me ? after_me->id : "",
+                             ntracks, (const char **)ids,
+                             queue_move_completed, NULL);
+}
+
 /** @brief Columns for the queue */
 static const struct queue_column queue_columns[] = {
   { "When",   column_when,     0,        COL_RIGHT },
@@ -156,12 +203,13 @@ static const struct queue_column queue_columns[] = {
 };
 
 /** @brief Pop-up menu for queue */
-static struct queue_menuitem queue_menuitems[] = {
+static struct menuitem queue_menuitems[] = {
   { "Track properties", ql_properties_activate, ql_properties_sensitive, 0, 0 },
   { "Select all tracks", ql_selectall_activate, ql_selectall_sensitive, 0, 0 },
   { "Deselect all tracks", ql_selectnone_activate, ql_selectnone_sensitive, 0, 0 },
   { "Scratch playing track", ql_scratch_activate, ql_scratch_sensitive, 0, 0 },
   { "Remove track from queue", ql_remove_activate, ql_remove_sensitive, 0, 0 },
+  { "Adopt track", ql_adopt_activate, ql_adopt_sensitive, 0, 0 },
 };
 
 struct queuelike ql_queue = {
@@ -170,11 +218,34 @@ struct queuelike ql_queue = {
   .columns = queue_columns,
   .ncolumns = sizeof queue_columns / sizeof *queue_columns,
   .menuitems = queue_menuitems,
-  .nmenuitems = sizeof queue_menuitems / sizeof *queue_menuitems
+  .nmenuitems = sizeof queue_menuitems / sizeof *queue_menuitems,
+  .drop = queue_drop
 };
 
+/** @brief Called when a key is pressed in the queue tree view */
+static gboolean queue_key_press(GtkWidget attribute((unused)) *widget,
+                                GdkEventKey *event,
+                                gpointer user_data) {
+  /*fprintf(stderr, "queue_key_press type=%d state=%#x keyval=%#x\n",
+          event->type, event->state, event->keyval);*/
+  switch(event->keyval) {
+  case GDK_BackSpace:
+  case GDK_Delete:
+    if(event->state)
+      break;                            /* Only take unmodified DEL/<-- */
+    ql_remove_activate(0, user_data);
+    return TRUE;                        /* Do not propagate */
+  }
+  return FALSE;                         /* Propagate */
+}
+
 GtkWidget *queue_widget(void) {
-  return init_queuelike(&ql_queue);
+  GtkWidget *const w = init_queuelike(&ql_queue);
+
+  /* Catch keypresses */
+  g_signal_connect(ql_queue.view, "key-press-event",
+                   G_CALLBACK(queue_key_press), &ql_queue);
+  return w;
 }
 
 /** @brief Return nonzero if @p track is in the queue */
@@ -182,6 +253,8 @@ int queued(const char *track) {
   struct queue_entry *q;
 
   D(("queued %s", track));
+  /* Queue will contain resolved name */
+  track = namepart_resolve(track);
   for(q = ql_queue.q; q; q = q->next)
     if(!strcmp(q->track, track))
       return 1;