slideshow.cpp

#define __SLIDESHOW_C__

/*
 * Help/About window
 *
 * Authors:
 *   Lauris Kaplinski <lauris@kaplinski.com>
 *
 * Copyright (C) 1999-2003 authors
 * Copyright (C) 2000-2002 Ximian, Inc.
 *
 * Released under GNU GPL, read the file 'COPYING' for more information
 */

#ifdef HAVE_CONFIG_H
# include "config.h"
#endif

#include <gdk/gdkkeysyms.h>
#include <gtk/gtkwindow.h>

#include <glibmm/i18n.h>
#include "document.h"
#include "svg-view-widget.h"
#include "svg-view.h"

static gint
sp_slideshow_event (SPViewWidget *vw, GdkEvent *event, GtkWidget *window)
{
      GSList *slides;
      const gchar *fname, *nname;
      int idx;

      slides = (GSList*)g_object_get_data (G_OBJECT (window), "slides");
      fname = (const gchar*)g_object_get_data (G_OBJECT (window), "current");
      idx = g_slist_index (slides, fname);

      switch (event->type) {
      case GDK_KEY_PRESS:
            switch (event->key.keyval) {
            case GDK_BackSpace:
            case GDK_Delete:
            case GDK_Left:
                  idx -= 1;
                  break;
            case GDK_Escape:
                  gtk_widget_destroy (window);
                  return TRUE;
                  break;
            default:
                  idx += 1;
                  break;
            }
            break;
      case GDK_BUTTON_PRESS:
            idx += 1;
            break;
      default:
            break;
      }

      nname = (const gchar*)g_slist_nth_data (slides, idx);
//    g_print ("Old %s new %s\n", fname, nname);

      if (nname && (nname != fname)) {
            SPDocument *doc;
            g_print ("Trying to load %s\n", nname);
            doc = sp_document_new (nname, TRUE);
            if (doc) {
                  reinterpret_cast<SPSVGView*>(SP_VIEW_WIDGET_VIEW (vw))->setDocument (doc);
                  sp_document_unref (doc);
            }
            g_object_set_data (G_OBJECT (window), "current", (gpointer) nname);
      }

      return TRUE;
}

GtkWidget *
sp_slideshow_new (const GSList *files)
{
      SPDocument *doc;
      GtkWidget *w, *v;

      doc = sp_document_new ((const gchar*)files->data, TRUE);
      g_return_val_if_fail (doc != NULL, NULL);

      w = gtk_window_new (GTK_WINDOW_TOPLEVEL);
      gtk_window_set_title (GTK_WINDOW (w), _("Inkscape slideshow"));
      gtk_window_set_default_size (GTK_WINDOW (w), 480, 360);
      gtk_window_set_policy (GTK_WINDOW (w), TRUE, TRUE, FALSE);

      v = sp_svg_view_widget_new (doc);
      sp_svg_view_widget_set_resize (SP_SVG_VIEW_WIDGET (v), FALSE, sp_document_width (doc), sp_document_height (doc));
      sp_document_unref (doc);
      gtk_widget_show (v);
      gtk_container_add (GTK_CONTAINER (w), v);

      g_object_set_data (G_OBJECT (w), "slides", (gpointer) files);
      g_object_set_data (G_OBJECT (w), "current", files->data);

      g_signal_connect (G_OBJECT (v), "event", G_CALLBACK (sp_slideshow_event), w);

      return w;
}