gui/queue: Add a selector for filtering by different fields

Implements #63: Add field selector for filtering
Signed-off-by: Anna Schumaker <Anna@OcarinaProject.net>

gui/queue.c

@@ -10,6 +10,15 @@
 
 static struct gui_queue *gq_queue = NULL;
 
+enum gq_filter_how {
+	GQ_FILTER_DEFAULT,
+	GQ_FILTER_ALBUM,
+	GQ_FILTER_ARTIST,
+	GQ_FILTER_GENRE,
+	GQ_FILTER_TITLE,
+};
+
+
 static void __queue_set_runtime(struct gui_queue *queue)
 {
 	gchar *len;
@@ -72,6 +81,7 @@ static gboolean __queue_visible_func(GtkTreeModel *model, GtkTreeIter *iter,
 	struct track *track;
 	unsigned int i;
 	gchar *token;
+	bool match;
 
 	if (!gq_queue || !gq_queue->gq_search)
 		return TRUE;
@@ -81,11 +91,28 @@ static gboolean __queue_visible_func(GtkTreeModel *model, GtkTreeIter *iter,
 	for (i = 0; gq_queue->gq_search[i]; i++) {
 		token = gq_queue->gq_search[i];
 
-		if (!track_match_token(track, token) &&
-		    !artist_match_token(track->tr_artist, token) &&
-		    !album_match_token(track->tr_album, token) &&
-		    !genre_match_token(track->tr_genre, token))
-			return FALSE;
+		switch (gq_queue->gq_active) {
+		case GQ_FILTER_ALBUM:
+			match = album_match_token(track->tr_album, token);
+			break;
+		case GQ_FILTER_ARTIST:
+			match = artist_match_token(track->tr_artist, token);
+			break;
+		case GQ_FILTER_GENRE:
+			match = genre_match_token(track->tr_genre, token);
+			break;
+		case GQ_FILTER_TITLE:
+			match = track_match_token(track, token);
+			break;
+		default: /* GQ_FILTER_DEFAULT */
+			match = track_match_token(track, token) ||
+				album_match_token(track->tr_album,   token) ||
+				artist_match_token(track->tr_artist, token) ||
+				genre_match_token(track->tr_genre,   token);
+		}
+
+		if (!match)
+			return false;
 	}
 
 	return TRUE;
@@ -93,7 +120,8 @@ static gboolean __queue_visible_func(GtkTreeModel *model, GtkTreeIter *iter,
 
 void __queue_filter(GtkSearchEntry *entry, gpointer data)
 {
-	const gchar *text = gtk_entry_get_text(GTK_ENTRY(entry));
+	const gchar *text  = gtk_entry_get_text(GTK_ENTRY(entry));
+	GtkComboBox *combo = GTK_COMBO_BOX(gui_builder_widget("filter_how"));
 
 	if (!gq_queue)
 		return;
@@ -101,13 +129,20 @@ void __queue_filter(GtkSearchEntry *entry, gpointer data)
 		g_strfreev(gq_queue->gq_search);
 		gq_queue->gq_search = NULL;
 	}
-	if (strlen(text) > 0)
+	if (strlen(text) > 0) {
 		gq_queue->gq_search = g_str_tokenize_and_fold(text, NULL, NULL);
+		gq_queue->gq_active = gtk_combo_box_get_active(combo);
+	}
 
 	gtk_tree_model_filter_refilter(GTK_TREE_MODEL_FILTER(gq_queue->gq_filter));
 	gui_view_scroll();
 }
 
+void __queue_filter_how_changed(int n)
+{
+	__queue_filter(GTK_SEARCH_ENTRY(gui_builder_widget("o_search")), NULL);
+}
+
 struct gui_queue *gui_queue_alloc(struct playlist *playlist, struct queue *queue,
 				  const gchar *text, unsigned int flags)
 {

include/gui/queue.h

@@ -15,6 +15,7 @@ enum gui_queue_flags {
 
 struct gui_queue {
 	unsigned int gq_flags;
+	unsigned int gq_active;
 	gchar       *gq_text;
 	gchar      **gq_search;
 

share/ocarina/ocarina6.glade

@@ -996,6 +996,28 @@
                     <property name="visible">True</property>
                     <property name="can_focus">False</property>
                     <property name="spacing">5</property>
+                    <child>
+                      <object class="GtkComboBoxText" id="filter_how">
+                        <property name="visible">True</property>
+                        <property name="can_focus">False</property>
+                        <property name="tooltip_text" translatable="yes">Controls what fields are checked during filtering.  The default is to check album, artist, title, and genre fields.</property>
+                        <property name="valign">center</property>
+                        <property name="active">0</property>
+                        <items>
+                          <item translatable="yes">Default</item>
+                          <item translatable="yes">Album</item>
+                          <item translatable="yes">Artist</item>
+                          <item translatable="yes">Genre</item>
+                          <item translatable="yes">Title</item>
+                        </items>
+                        <signal name="changed" handler="__queue_filter_how_changed" swapped="no"/>
+                      </object>
+                      <packing>
+                        <property name="expand">False</property>
+                        <property name="fill">True</property>
+                        <property name="position">0</property>
+                      </packing>
+                    </child>
                     <child>
                       <object class="GtkSearchEntry" id="o_search">
                         <property name="visible">True</property>
@@ -1011,7 +1033,7 @@
                       <packing>
                         <property name="expand">True</property>
                         <property name="fill">True</property>
-                        <property name="position">0</property>
+                        <property name="position">1</property>
                       </packing>
                     </child>
                     <child>
@@ -1026,7 +1048,7 @@
                       <packing>
                         <property name="expand">False</property>
                         <property name="fill">True</property>
-                        <property name="position">1</property>
+                        <property name="position">2</property>
                       </packing>
                     </child>
                   </object>
@@ -1295,8 +1317,10 @@
   <object class="GtkSizeGroup">
     <property name="mode">vertical</property>
     <widgets>
+      <widget name="o_pause_after"/>
       <widget name="buttonbox2"/>
-      <widget name="box10"/>
+      <widget name="filter_how"/>
+      <widget name="o_enable"/>
     </widgets>
   </object>
   <object class="GtkSizeGroup" id="sizegroup1">