1 files changed, 193 insertions, 0 deletions

diff --git a/src/fs/gnunet-fs-gtk_main-window-meta-data-context-menu.c b/src/fs/gnunet-fs-gtk_main-window-meta-data-context-menu.c
new file mode 100644
index 00000000..06e58b67
--- /dev/null
+++ b/src/fs/gnunet-fs-gtk_main-window-meta-data-context-menu.c
@@ -0,0 +1,193 @@
+/*
+     This file is part of GNUnet.
+     (C) 2010, 2011, 2012 Christian Grothoff (and other contributing authors)
+
+     GNUnet 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, or (at your
+     option) any later version.
+
+     GNUnet 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 GNUnet; see the file COPYING.  If not, write to the
+     Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+     Boston, MA 02111-1307, USA.
+*/
+
+/**
+ * @file src/fs/gnunet-fs-gtk_main-window-meta-data-context-menu.c
+ * @brief context menu for the 'meta data' tree view in the main window
+ * @author Christian Grothoff
+ */
+#include "gnunet-fs-gtk.h"
+#include "gnunet-fs-gtk_download-save-as.h"
+#include "gnunet-fs-gtk_event-handler.h"
+#include <string.h>
+
+
+
+/**
+ * Helper function of GNUNET_GTK_FS_metadata_copy_selection_activated
+ * which copies the (selected) entries from the tree view to the
+ * GList.
+ *
+ * @param model the tree model with the data
+ * @param path unused
+ * @param iter position in the model to access
+ * @param user_data 'GList**' where we should store the types and values found
+ */ 
+static void
+copy_metadata_to_clipboard (GtkTreeModel * model, GtkTreePath * path,
+                            GtkTreeIter * iter, gpointer user_data)
+{
+  GList **l = user_data;
+  gchar *type;
+  gchar *value;
+
+  gtk_tree_model_get (model, iter,
+                      GNUNET_GTK_FS_MAIN_WINDOW_META_DATA_MC_META_TYPE_STRING,
+                      &type,
+                      GNUNET_GTK_FS_MAIN_WINDOW_META_DATA_MC_META_VALUE,
+                      &value,
+                      -1);
+  *l = g_list_prepend (*l, type);
+  *l = g_list_prepend (*l, value);
+}
+
+
+/**
+ * User activated metadata pop up menu "Copy selection" entry.
+ *
+ * @param menuitem the 'copy selection' menu item
+ * @param user_data the GtkBuilder of the main window
+ */
+void
+GNUNET_GTK_FS_metadata_copy_selection_activated (GtkMenuItem * menuitem, 
+                                                 gpointer user_data)
+{
+  struct GNUNET_GTK_MainWindowContext *main_ctx = user_data;
+  GtkTreeView *tree;
+  GtkClipboard *cb;
+  GList *pairs;
+  GList *pos;
+  GList *value;
+  GList *type;
+  guint total_len;
+  gchar *s;
+  gchar *p;
+
+  tree = main_ctx->md_treeview;
+  pairs = NULL;
+  gtk_tree_selection_selected_foreach (gtk_tree_view_get_selection (tree),
+                                       &copy_metadata_to_clipboard, &pairs);
+  if (NULL == pairs)
+    return; /* nothing selected */
+  total_len = 0;
+  pairs = g_list_reverse (pairs);
+  for (pos = pairs; NULL != pos; pos = value->next)
+  {
+    type = pos;
+    value = pos->next;
+    GNUNET_assert (NULL != value);
+    total_len +=
+      strlen ((gchar *) type->data) + strlen ((gchar *) value->data) +
+      2 /* ": " */  + ((NULL != value->next) ? 1 : 0) /* "\n" */ ;
+  }
+  GNUNET_assert (total_len > 0);
+  total_len++;             /* "\0" */
+  s = g_new0 (gchar, total_len);
+  if (NULL == s)
+  {
+    GNUNET_log_strerror (GNUNET_ERROR_TYPE_ERROR, "malloc");
+    return;
+  }
+  p = s;
+  for (pos = pairs; NULL != pos; pos = value->next)
+  {
+    type = pos;
+    value = pos->next;
+    GNUNET_assert (NULL != value);
+    p = g_stpcpy (p, (gchar *) type->data);
+    p = g_stpcpy (p, ": ");
+    p = g_stpcpy (p, (gchar *) value->data);
+    if (NULL != value->next)
+      p = g_stpcpy (p, "\n");        
+  }
+  g_list_foreach (pairs, (GFunc) &g_free, NULL);
+  g_list_free (pairs);
+  cb = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD);
+  gtk_clipboard_set_text (cb, s, -1);
+  gtk_clipboard_store (cb);
+  g_free (s);  
+}
+
+
+/**
+ * Got asked to pop up the context menu in the metadata treeview in
+ * the main window.  Do it.
+ *
+ * @param button which button caused the event (0 for none)
+ * @param event_time time of the event (current time or 'event->time')
+ * @param user_data the context of the main window
+ */
+static void
+do_metadata_popup_menu (int button,
+                        int event_time,
+                        gpointer user_data)
+{
+  GtkMenu *menu;
+  struct GNUNET_GTK_MainWindowContext *main_ctx = user_data;
+
+  menu = GTK_MENU (gtk_builder_get_object (main_ctx->builder, "metadata_popup_menu"));
+  gtk_menu_popup (menu, NULL, NULL, NULL, main_ctx, button, event_time);
+}
+
+
+/**
+ * Got a button press event on the metadata treeview in the main window.
+ * If it was a right click, pop up the context menu.
+ *
+ * @param widget the tree view widget
+ * @param user_data the gtk builder of the main window
+ */
+gboolean
+GNUNET_GTK_main_window_metadata_treeview_button_press_event_cb (GtkWidget *
+                                                                widget,
+                                                                GdkEventButton *
+                                                                event,
+                                                                gpointer
+                                                                user_data)
+{
+  /* Ignore double-clicks and triple-clicks */
+  if ( (event->button != 3) || (event->type != GDK_BUTTON_PRESS) )
+    return FALSE;
+  do_metadata_popup_menu (event->button,
+                          event->time,
+                          user_data);
+  return FALSE;
+}
+
+
+/**
+ * Metadata treeview in the main window got the 'popup-menu' signal.
+ * Pop up the menu.
+ *
+ * @param widget the tree view widget
+ * @param user_data the gtk builder of the main window
+ * @return TRUE we did it
+ */
+gboolean
+GNUNET_GTK_main_window_metadata_treeview_popup_menu_cb (GtkWidget * widget,
+                                                        gpointer user_data)
+{
+  do_metadata_popup_menu (0 /* no button */,
+                          gtk_get_current_event_time (),
+                          user_data);
+  return TRUE;
+}
+
+/* end of gnunet-fs-gtk_meta-data-context-menu.c */