video_server_dialog.cc

Go to the documentation of this file.

/*
    Copyright (C) 2010 Paul Davis
    Author: Robin Gareus <robin@gareus.org>

    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
    (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.

    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., 675 Mass Ave, Cambridge, MA 02139, USA.

*/
#include <cstdio>
#include <cmath>

#include <sigc++/bind.h>

#include "pbd/error.h"
#include "pbd/file_utils.h"
#include "ardour/session_directory.h"
#include "gtkmm2ext/utils.h"
#include "ardour/template_utils.h"
#include "ardour/session.h"

#ifdef interface
#undef interface
#endif

#include "video_server_dialog.h"
#include "utils_videotl.h"
#include "video_tool_paths.h"
#include "i18n.h"

#ifdef PLATFORM_WINDOWS
#include <windows.h>
#endif

using namespace Gtk;
using namespace std;
using namespace PBD;
using namespace ARDOUR;
using namespace VideoUtils;

VideoServerDialog::VideoServerDialog (Session* s)
        : ArdourDialog (_("Launch Video Server"))
        , path_label (_("Server Executable:"), Gtk::ALIGN_LEFT)
        , path_browse_button (_("Browse"))
        , docroot_label (_("Server Docroot:"), Gtk::ALIGN_LEFT)
        , docroot_browse_button (_("Browse"))
        , listenport_adjustment (1554, 1025, 65536, 1, 10, 0)
        , listenport_spinner (listenport_adjustment)
        , cachesize_adjustment (256, 32, 32768, 1, 32, 0)
        , cachesize_spinner (cachesize_adjustment)
        , showagain_checkbox (_("Don't show this dialog again. (Reset in Edit->Preferences)."))
{
        set_session (s);

        set_name ("VideoServerDialog");
        set_modal (true);
        set_skip_taskbar_hint (true);
        set_resizable (false);

        Gtk::Label* l;
        VBox* vbox = manage (new VBox);
        VBox* options_box = manage (new VBox);
        HBox* path_hbox = manage (new HBox);
        HBox* docroot_hbox = manage (new HBox);

        path_entry.set_width_chars(38);
        path_browse_button.set_name ("PaddedButton");
        path_entry.set_text("/usr/bin/harvid");
        docroot_entry.set_width_chars(38);
        docroot_entry.set_text(Config->get_video_server_docroot());
        docroot_browse_button.set_name ("PaddedButton");

        listenaddr_combo.set_name ("PaddedButton");
#ifndef __APPLE__
        /* Note: on OSX icsd is not able to bind to IPv4 localhost */
        listenaddr_combo.append_text("127.0.0.1");
#endif
        listenaddr_combo.append_text("0.0.0.0");
        listenaddr_combo.set_active(0);

        std::string harvid_exe;
        if (ArdourVideoToolPaths::harvid_exe(harvid_exe)) {
                path_entry.set_text(harvid_exe);
        } else {
                PBD::warning <<
                        string_compose(
                                        _("The external video server 'harvid' can not be found.\n"
                                                "The tool is included with the %1 releases from ardour.org, "
                                                "alternatively you can download it from http://x42.github.com/harvid/ "
                                                "or acquire it from your distribution.\n"
                                                "\n"
                                                "see also http://manual.ardour.org/video-timeline/setup/"
                                         ), PROGRAM_NAME)
                        << endmsg;
        }

        if (docroot_entry.get_text().empty()) {
          std::string docroot =  Glib::path_get_dirname(_session->session_directory().root_path());
          if ((docroot.empty() || docroot.at(docroot.length()-1) != '/')) { docroot += "/"; }
                docroot_entry.set_text(docroot);
        }

        path_hbox->pack_start (path_label, false, false, 3);
        path_hbox->pack_start (path_entry, true, true, 3);
        path_hbox->pack_start (path_browse_button, false, false, 3);

        docroot_hbox->pack_start (docroot_label, false, false, 3);
        docroot_hbox->pack_start (docroot_entry, true, true, 3);
        docroot_hbox->pack_start (docroot_browse_button, false, false, 3);

        l = manage (new Label (_("<b>Options</b>"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
        l->set_use_markup ();
        options_box->pack_start (*l, false, true, 4);

        Table* t = manage (new Table (2, 3));
        t->set_spacings (4);
        options_box->pack_start (*t, true, true, 4);

        l = manage (new Label (_("Listen Address:")));
        l->set_alignment (0, 0.5);
        t->attach (*l, 0, 1, 0, 1, FILL);
        t->attach (listenaddr_combo, 1, 2, 0, 1);

        l = manage (new Label (_("Listen Port:")));
        l->set_alignment (0, 0.5);
        t->attach (*l, 0, 1, 1, 2, FILL);
        t->attach (listenport_spinner, 1, 2, 1, 2);

        l = manage (new Label (_("Cache Size:")));
        l->set_alignment (0, 0.5);
        t->attach (*l, 0, 1, 2, 3, FILL);
        t->attach (cachesize_spinner, 1, 2, 2, 3);

        l = manage (new Label (string_compose(
                                        _("%1 relies on an external video server for the videotimeline.\nThe server configured in Edit -> Preferences -> Video is not reachable.\nDo you want %1 to launch 'harvid' on this machine?"), PROGRAM_NAME)
                                , Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
        l->set_max_width_chars(80);
        l->set_line_wrap();
        vbox->pack_start (*l, true, true, 4);
        vbox->pack_start (*path_hbox, false, false);
        if (Config->get_video_advanced_setup()){
                vbox->pack_start (*docroot_hbox, false, false);
        } else {
#ifndef PLATFORM_WINDOWS
                docroot_entry.set_text(X_("/"));
#else
                docroot_entry.set_text(X_("C:\\"));
#endif
                listenport_spinner.set_sensitive(false);
        }
        vbox->pack_start (*options_box, false, true);

        get_vbox()->set_spacing (4);
        get_vbox()->pack_start (*vbox, false, false);
        get_vbox()->pack_start (showagain_checkbox, false, false);
        showagain_checkbox.set_active(!Config->get_show_video_server_dialog());

        path_browse_button.signal_clicked().connect (sigc::mem_fun (*this, &VideoServerDialog::open_path_dialog));
        docroot_browse_button.signal_clicked().connect (sigc::mem_fun (*this, &VideoServerDialog::open_docroot_dialog));

        show_all_children ();
        add_button (Stock::CANCEL, RESPONSE_CANCEL);
        add_button (Stock::EXECUTE, RESPONSE_ACCEPT);
}

VideoServerDialog::~VideoServerDialog ()
{
}

void
VideoServerDialog::on_show ()
{
        Dialog::on_show ();
}

void
VideoServerDialog::open_path_dialog ()
{
        Gtk::FileChooserDialog dialog(_("Set Video Server Executable"), Gtk::FILE_CHOOSER_ACTION_OPEN);
        dialog.set_filename (path_entry.get_text());

        dialog.add_button(Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
        dialog.add_button(Gtk::Stock::OK, Gtk::RESPONSE_OK);

        int result = dialog.run();

        if (result == Gtk::RESPONSE_OK) {
                std::string filename = dialog.get_filename();

                if (filename.length()) {
                        path_entry.set_text (filename);
                }
        }
}

void
VideoServerDialog::open_docroot_dialog ()
{
        Gtk::FileChooserDialog dialog(_("Server docroot"), Gtk::FILE_CHOOSER_ACTION_SELECT_FOLDER);
        dialog.set_filename (docroot_entry.get_text());

        dialog.add_button(Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
        dialog.add_button(Gtk::Stock::OK, Gtk::RESPONSE_OK);

        int result = dialog.run();

        if (result == Gtk::RESPONSE_OK) {
                std::string dirname = dialog.get_filename();

                if (dirname.empty() || dirname.at(dirname.length()-1) != G_DIR_SEPARATOR) {
                        dirname += "/";
                }

                if (dirname.length()) {
                        docroot_entry.set_text (dirname);
                }
        }
}

std::string
VideoServerDialog::get_docroot () {
        return docroot_entry.get_text();
}