implement saving

[melted_gui] / src / library.c

diff --git a/src/library.c b/src/library.c
index 5915ed5..faeb21a 100644 (file)
--- a/src/library.c
+++ b/src/library.c
@@ -36,11 +36,13 @@
 #include <mvcp/mvcp.h>
 #include <mvcp/mvcp_remote.h>
 
-#include "instance.h"
+#include "library.h"
 #include "ui.h"
 #include "timecode.h"
 #include "support.h"
 
+extern GtkTargetEntry drag_targets[];
+
 void library_release(instance_t* app)
 {
     mvcp_close(app->library.handle[0]);
@@ -233,6 +235,33 @@ static void on_library_row_collapsed
     library_add_fake(user_data, GTK_TREE_STORE(model), iter);
 };
 
+static void library_drag_data_get_cb(GtkWidget *widget, GdkDragContext *context,
+    GtkSelectionData *selection_data, guint info, guint time, gpointer userdata)
+{
+    int c;
+    playlist_item_t* items;
+    instance_t* app = (instance_t*)userdata;
+
+    g_warning("library_drag_data_get_cb");
+
+    items = library_get_selected_items(app, &c);
+
+    /* clear item */
+    if(items)
+    {
+        gtk_selection_data_set(selection_data, selection_data->target, 8,
+            (const guchar *)items, sizeof(playlist_item_t) * c);
+        free(items);
+    };
+};
+
+static void library_drag_begin_cb(GtkWidget *widget, GdkDragContext *context, gpointer userdata)
+{
+    g_warning("library_drag_begin_cb");
+    gtk_drag_source_set_icon_stock(widget, GTK_STOCK_DND);
+};
+
+
 void library_init(instance_t* app)
 {
     /* connect to library */
@@ -251,48 +280,98 @@ void library_init(instance_t* app)
     /* load lib */
     library_init_load(app);
 
+    /* allow drag source */
+    gtk_drag_source_set(app->library_tree, GDK_BUTTON1_MASK,
+        drag_targets, 1, (GdkDragAction)(GDK_ACTION_COPY));
+
     /* set handlers */
     gtk_signal_connect(GTK_OBJECT(app->library_tree), "row-expanded",
         GTK_SIGNAL_FUNC(on_library_row_expanded), app);
     gtk_signal_connect(GTK_OBJECT(app->library_tree), "row-collapsed",
         GTK_SIGNAL_FUNC(on_library_row_collapsed), app);
+    g_signal_connect(GTK_OBJECT(app->library_tree), "drag_data_get",
+        G_CALLBACK(library_drag_data_get_cb), app);
+    g_signal_connect(GTK_OBJECT(app->library_tree), "drag_begin",
+        G_CALLBACK(library_drag_begin_cb), app);
 
-#if 0
-    pthread_mutex_lock(&app->library.lock);
+};
 
-    if(app->library.filename[0])
+static void library_get_selected_items_iter
+(
+    GtkTreeModel *model,
+    GtkTreePath *path,
+    GtkTreeIter *iter,
+    gpointer data
+)
+{
+    int l;
+    mvcp_dir_entry_t *dir;
+    mvcp_list_entry_t *list;
+    playlist_item_t** pitems = (playlist_item_t**)data;
+    playlist_item_t* items = *pitems;
+
+    /* request pointers to list and dir entries of library items */
+    gtk_tree_model_get(model, iter,
+        3, &dir,
+        4, &list,
+        -1);
+
+    /* check if defined */
+    if(dir && list)
     {
-        app->library.count = MAX_LIBRARY_ITEMS;
-        omnplay_library_load_file(app->library.item, &app->library.count, app->library.filename);
-    };
+        /* allocate items */
+        if(!items)
+        {
+            items = (playlist_item_t*)malloc(sizeof(playlist_item_t));
+            memset(items, 0, sizeof(playlist_item_t));
+        };
 
-    omnplay_library_sort(app);
+        /* find numbers of items in list */
+        for(l = 0; items[l].id[0]; l++);
+        g_warning("library_get_selected_items_iter: l=%d", l);
 
-    pthread_mutex_unlock(&app->library.lock);
+        /* realloc items */
+        items = (playlist_item_t*)realloc(items, (l + 2) * sizeof(playlist_item_t));
 
-    omnplay_library_draw(app);
-#endif
+        /* clean last item */
+        memset(&items[l + 1], 0, sizeof(playlist_item_t));
+
+        /* setup items */
+        memset(&items[l + 0], 0, sizeof(playlist_item_t));
+        strncpy(items[l].id, dir->name, PATH_MAX);
+        strncpy(items[l].title, dir->full, PATH_MAX);
+        items[l].dur = list->size;
+    };
+
+    *pitems = items;
 };
 
-#if 0
-playlist_item_t* omnplay_library_find(omnplay_instance_t* app, char* id)
+playlist_item_t* library_get_selected_items(instance_t* app, int *count)
 {
-    int i;
-    playlist_item_t* item = NULL;
+    int l = 0;
+    playlist_item_t* items = NULL;
 
-    pthread_mutex_lock(&app->library.lock);
+    GtkTreeSelection *selection;
 
-    for(i = 0; i < app->library.count && !item; i++)
-        if(!strcasecmp(id, app->library.item[i].id))
-            item = &app->library.item[i];
+    selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(app->library_tree));
+    if(selection)
+    {
+        gtk_tree_selection_selected_foreach(
+            selection,
+            library_get_selected_items_iter,
+            &items);
 
-    pthread_mutex_unlock(&app->library.lock);
+        if(items)
+            for(; items[l].id[0]; l++);
+    };
 
-    return item;
+    *count = l;
+    return items;
 };
 
-int omnplay_library_normalize_item(omnplay_instance_t* app, playlist_item_t* item)
+int library_normalize_item(instance_t* app, playlist_item_t* item)
 {
+#if 0
     int r = 0;
     playlist_item_t* lib;
     playlist_item_t prev;
@@ -338,10 +417,14 @@ int omnplay_library_normalize_item(omnplay_instance_t* app, playlist_item_t* ite
     pthread_mutex_unlock(&app->library.lock);
 
     return r;
+#else
+    return 0;
+#endif
 };
 
-int omnplay_library_relink_item(omnplay_instance_t* app, playlist_item_t* item)
+int library_relink_item(instance_t* app, playlist_item_t* item)
 {
+#if 0
     int r = 0;
     playlist_item_t* lib;
 
@@ -367,8 +450,30 @@ int omnplay_library_relink_item(omnplay_instance_t* app, playlist_item_t* item)
     pthread_mutex_unlock(&app->library.lock);
 
     return r;
+#else
+    return 0;
+#endif
 };
 
+
+#if 0
+playlist_item_t* omnplay_library_find(omnplay_instance_t* app, char* id)
+{
+    int i;
+    playlist_item_t* item = NULL;
+
+    pthread_mutex_lock(&app->library.lock);
+
+    for(i = 0; i < app->library.count && !item; i++)
+        if(!strcasecmp(id, app->library.item[i].id))
+            item = &app->library.item[i];
+
+    pthread_mutex_unlock(&app->library.lock);
+
+    return item;
+};
+
+
 void omnplay_library_sort(omnplay_instance_t* app)
 {
     int i, j, m;