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/*
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, 2, &type, 3, &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)
{
GtkBuilder *builder = GTK_BUILDER (user_data);
GtkTreeView *tree;
GtkClipboard *cb;
GList *pairs;
GList *pos;
GList *value;
GList *type;
guint total_len;
gchar *s;
gchar *p;
tree =
GTK_TREE_VIEW (gtk_builder_get_object
(builder, "GNUNET_GTK_main_window_metadata_treeview"));
pairs = NULL;
gtk_tree_selection_selected_foreach (gtk_tree_view_get_selection (tree),
©_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 gtk builder of the main window
*/
static void
do_metadata_popup_menu (int button,
int event_time,
GtkBuilder *builder)
{
GtkMenu *menu;
menu = GTK_MENU (gtk_builder_get_object (builder, "metadata_popup_menu"));
gtk_menu_popup (menu, NULL, NULL, NULL, builder, 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)
{
GtkBuilder *builder = GTK_BUILDER (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,
builder);
return TRUE;
}
/**
* 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)
{
GtkBuilder *builder = GTK_BUILDER (user_data);
do_metadata_popup_menu (0 /* no button */,
gtk_get_current_event_time (),
builder);
return TRUE;
}
/* end of gnunet-fs-gtk_meta-data-context-menu.c */
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