2 * image/x-pdf BonoboObject.
5 * Michael Meeks <michael@imaginator.com>
14 #define GString G_String
16 #include <libgnorba/gnorba.h>
17 #include <bonobo/gnome-bonobo.h>
22 #include "parseargs.h"
34 #include "GOutputDev.h"
35 #include "PSOutputDev.h"
36 #include "TextOutputDev.h"
40 #include "BonoboStream.h"
45 GBool printCommands = gFalse;
51 * Number of servers running on the system
52 * when the count reaches zero, we unregister from the
53 * Name Server and we shut down.
55 static int embeddable_servers = 0;
58 * Our embeddable factory
60 static GnomeEmbeddableFactory *factory;
67 GnomeEmbeddable *embeddable;
70 GNOME_Stream stream; /* To free it later */
83 GtkWidget *drawing_area;
94 static void realize_drawing_areas (bed_t *bed);
95 static void setup_pixmap (bed_t *doc, view_data_t *view, GdkWindow *window);
99 redraw_view (view_data_t *view_data, GdkRectangle *rect)
102 bed_t *bed = view_data->bed;
104 g_return_if_fail (view_data->pixmap != NULL);
107 * Do not draw outside the region that we know how to display
109 if (rect->x > view_data->w)
112 if (rect->y > view_data->h)
116 * Clip the draw region
118 if (rect->x + rect->width > view_data->w)
119 rect->width = view_data->w - rect->x;
121 if (rect->y + rect->height > view_data->h)
122 rect->height = view_data->h - rect->y;
125 * Draw the exposed region.
127 gdk_draw_pixmap (view_data->drawing_area->window,
128 view_data->drawing_area->style->white_gc,
137 render_page (view_data_t *view_data)
139 setup_pixmap (view_data->bed, view_data,
141 view_data->bed->pdf->displayPage(view_data->out,
142 view_data->page, view_data->zoom,
147 redraw_view_all (view_data_t *view_data)
150 g_return_if_fail (view_data != NULL);
153 printf ("Redraw view of page %d\n", view_data->page);
155 render_page (view_data);
158 rect.width = view_data->w;
159 rect.height = view_data->h;
160 redraw_view (view_data, &rect);
161 gtk_widget_queue_draw (GTK_WIDGET (view_data->drawing_area));
165 configure_size (view_data_t *view_data)
167 gtk_widget_set_usize (
168 view_data->drawing_area,
174 redraw_all (bed_t *bed)
178 for (l = bed->views; l; l = l->next) {
180 view_data_t *view_data = (view_data_t *)l->data;
181 configure_size (view_data);
182 redraw_view_all (view_data);
187 save_image (GnomePersistStream *ps, GNOME_Stream stream, void *data)
189 g_warning ("Unimplemented");
197 setup_size (bed_t *doc, view_data_t *view)
202 if (!doc || !view || !doc->pdf) {
207 w = (int)((doc->pdf->getPageWidth (view->page) * view->zoom) / 72.0);
208 h = (int)((doc->pdf->getPageHeight (view->page) * view->zoom) / 72.0);
209 if (view->w == w && view->h == h)
220 * Loads a PDF from a GNOME_Stream
223 load_image_from_stream (GnomePersistStream *ps, GNOME_Stream stream, void *data)
225 bed_t *bed = (bed_t *)data;
227 GNOME_Stream_iobuf *buffer;
235 g_warning ("Won't overwrite pre-existing stream: you wierdo");
239 /* We need this for later */
240 CORBA_Object_duplicate (stream, &ev);
241 g_return_val_if_fail (ev._major == CORBA_NO_EXCEPTION, 0);
244 printf ("Loading PDF from persiststream\n");
246 bed->stream = stream;
247 BonoboStream *bs = new BonoboStream (stream);
248 GString *st = new GString ("Bonobo.pdf");
249 bed->pdf = new PDFDoc (bs, st);
252 printf ("Done load\n");
254 if (!(bed->pdf->isOk())) {
255 g_warning ("Duff pdf data\n");
259 if (!bed->pdf->getCatalog()) {
260 g_warning ("Duff pdf catalog\n");
265 realize_drawing_areas (bed);
273 destroy_view (GnomeView *view, view_data_t *view_data)
275 view_data->bed->views = g_list_remove (view_data->bed->views, view_data);
276 gtk_object_unref (GTK_OBJECT (view_data->drawing_area));
282 destroy_embed (GnomeView *view, bed_t *bed)
285 destroy_view (NULL, (view_data_t *)bed->views->data);
289 gtk_object_unref (GTK_OBJECT (bed->stream));
293 embeddable_servers--;
295 if (embeddable_servers == 0){
296 gnome_object_unref (GNOME_OBJECT (factory));
302 setup_pixmap (bed_t *doc, view_data_t *view_data, GdkWindow *window)
304 GdkGCValues gcValues;
308 GdkPixmap *pixmap = NULL;
310 g_return_if_fail (doc != NULL);
311 g_return_if_fail (doc->pdf != NULL);
312 g_return_if_fail (view_data != NULL);
316 if (setup_size (doc, view_data) &&
319 printf ("No need to re-init output device\n");
327 pixmap = gdk_pixmap_new (window, w, h, -1);
329 gdk_color_white (gtk_widget_get_default_colormap(), &view_data->paper);
330 view_data->out = new GOutputDev (pixmap, view_data->paper, window);
332 gdk_color_white (gtk_widget_get_default_colormap (), &gcValues.foreground);
333 gdk_color_black (gtk_widget_get_default_colormap (), &gcValues.background);
334 gcValues.line_width = 1;
335 gcValues.line_style = GDK_LINE_SOLID;
336 strokeGC = gdk_gc_new_with_values (
338 (enum GdkGCValuesMask)(GDK_GC_FOREGROUND | GDK_GC_BACKGROUND | GDK_GC_LINE_WIDTH | GDK_GC_LINE_STYLE));
340 gdk_draw_rectangle (pixmap, strokeGC,
344 view_data->pixmap = pixmap;
348 view_is_good (view_data_t *view_data)
352 !view_data->bed->pdf)
359 first_page (view_data_t *view_data)
361 g_return_val_if_fail (view_is_good (view_data), FALSE);
362 if (view_data->page != 1) {
370 last_page (view_data_t *view_data)
372 g_return_val_if_fail (view_is_good (view_data), FALSE);
373 if (view_data->page < view_data->bed->pdf->getNumPages()) {
374 view_data->page = view_data->bed->pdf->getNumPages();
381 next_page (view_data_t *view_data)
383 g_return_val_if_fail (view_is_good (view_data), FALSE);
384 if (view_data->page < view_data->bed->pdf->getNumPages()) {
392 prev_page (view_data_t *view_data)
394 g_return_val_if_fail (view_is_good (view_data), FALSE);
395 if (view_data->page > 1) {
403 page_first_cb (GnomeUIHandler *uih, void *data, char *path)
405 first_page ((view_data_t *)data);
406 redraw_view_all ((view_data_t *)data);
410 page_next_cb (GnomeUIHandler *uih, void *data, char *path)
412 next_page ((view_data_t *)data);
413 redraw_view_all ((view_data_t *)data);
417 page_prev_cb (GnomeUIHandler *uih, void *data, char *path)
419 prev_page ((view_data_t *)data);
420 redraw_view_all ((view_data_t *)data);
424 page_last_cb (GnomeUIHandler *uih, void *data, char *path)
426 last_page ((view_data_t *)data);
427 redraw_view_all ((view_data_t *)data);
432 view_create_menus (view_data_t *view_data)
434 GNOME_UIHandler remote_uih;
435 GnomeView *view = view_data->view;
438 uih = gnome_view_get_ui_handler (view);
439 remote_uih = gnome_view_get_remote_ui_handler (view);
441 if (remote_uih == CORBA_OBJECT_NIL) {
442 g_warning ("server has no UI hander");
446 gnome_ui_handler_set_container (uih, remote_uih);
448 gnome_ui_handler_menu_new_subtree (uih, "/Page",
450 N_("Set the currently displayed page"),
452 GNOME_UI_HANDLER_PIXMAP_NONE, NULL,
453 0, (GdkModifierType)0);
455 gnome_ui_handler_menu_new_item (uih, "/Page/First",
456 N_("First"), N_("View the first page"), -1,
457 GNOME_UI_HANDLER_PIXMAP_NONE, NULL, 0,
458 (GdkModifierType)0, page_first_cb, (gpointer)view_data);
460 gnome_ui_handler_menu_new_item (uih, "/Page/Prev",
461 N_("Previous"), N_("View the previous page"), -1,
462 GNOME_UI_HANDLER_PIXMAP_NONE, NULL, 0,
463 (GdkModifierType)0, page_prev_cb, (gpointer)view_data);
465 gnome_ui_handler_menu_new_item (uih, "/Page/Next",
466 N_("Next"), N_("View the next page"), -1,
467 GNOME_UI_HANDLER_PIXMAP_NONE, NULL, 0,
468 (GdkModifierType)0, page_next_cb, (gpointer)view_data);
470 gnome_ui_handler_menu_new_item (uih, "/Page/Last",
471 N_("Last"), N_("View the last page"), -1,
472 GNOME_UI_HANDLER_PIXMAP_NONE, NULL, 0,
473 (GdkModifierType)0, page_last_cb, (gpointer)view_data);
475 gnome_ui_handler_toolbar_new_item (uih, "/First", GNOME_UI_HANDLER_MENU_ITEM,
476 N_("First"), N_("View the first page"), -1,
477 GNOME_UI_HANDLER_PIXMAP_STOCK, GNOME_STOCK_PIXMAP_FIRST,
478 0, (GdkModifierType)0, page_first_cb, (gpointer)view_data);
479 gnome_ui_handler_toolbar_new_item (uih, "/Prev", GNOME_UI_HANDLER_MENU_ITEM,
480 N_("Previous"), N_("View the previous page"), -1,
481 GNOME_UI_HANDLER_PIXMAP_STOCK, GNOME_STOCK_PIXMAP_FIRST,
482 0, (GdkModifierType)0, page_prev_cb, (gpointer)view_data);
483 gnome_ui_handler_toolbar_new_item (uih, "/Next", GNOME_UI_HANDLER_MENU_ITEM,
484 N_("Next"), N_("View the next page"), -1,
485 GNOME_UI_HANDLER_PIXMAP_STOCK, GNOME_STOCK_PIXMAP_FIRST,
486 0, (GdkModifierType)0, page_next_cb, (gpointer)view_data);
487 gnome_ui_handler_toolbar_new_item (uih, "/Last", GNOME_UI_HANDLER_MENU_ITEM,
488 N_("Last"), N_("View the last page"), -1,
489 GNOME_UI_HANDLER_PIXMAP_STOCK, GNOME_STOCK_PIXMAP_FIRST,
490 0, (GdkModifierType)0, page_last_cb, (gpointer)view_data);
496 * When this view is deactivated, we must remove our menu items.
499 view_remove_menus (view_data_t *view_data)
501 GnomeView *view = view_data->view;
504 uih = gnome_view_get_ui_handler (view);
506 gnome_ui_handler_unset_container (uih);
512 drawing_area_realize (GtkWidget *drawing_area, view_data_t *view_data)
514 g_return_if_fail (view_data != NULL);
515 g_return_if_fail (drawing_area != NULL);
517 view_data->win = gtk_widget_get_parent_window (drawing_area);
521 drawing_area_exposed (GtkWidget *widget, GdkEventExpose *event, view_data_t *view_data)
524 !view_data->bed->pdf)
527 redraw_view (view_data, &event->area);
533 view_activate (GnomeView *view, gboolean activate, gpointer data)
535 view_data_t *view_data = (view_data_t *) data;
536 g_return_if_fail (view != NULL);
537 g_return_if_fail (view_data != NULL);
539 gnome_view_activate_notify (view, activate);
542 printf ("View change activation to %d\n", activate);
545 * If we were just activated, we merge in our menu entries.
546 * If we were just deactivated, we remove them.
549 view_create_menus (view_data);
551 view_remove_menus (view_data);
555 view_size_query (GnomeView *view, int *desired_width, int *desired_height,
558 view_data_t *view_data = (view_data_t *) data;
560 g_return_if_fail (view_data != NULL);
562 *desired_width = view_data->w;
563 *desired_height = view_data->h;
567 view_zoom_query (GnomeView *view, gdouble new_zoom, gpointer data)
569 view_data_t *view_data = (view_data_t *) data;
571 g_return_if_fail (view_data != NULL);
573 view_data->zoom = new_zoom;
575 redraw_view_all (view_data);
579 realize_drawing_areas (bed_t *bed)
583 for (l = bed->views; l; l = l->next) {
584 view_data_t *view_data = (view_data_t *)l->data;
585 g_return_if_fail (view_data->win);
586 render_page (view_data);
587 configure_size (view_data);
592 view_switch_page (GnomeView *view, const char *verb_name, void *user_data)
594 view_data_t *view_data = (view_data_t *) user_data;
596 gboolean changed = FALSE;
598 if (!g_strcasecmp (verb_name, "firstpage")) {
599 changed = first_page (view_data);
600 } else if (!g_strcasecmp (verb_name, "prevpage")) {
601 changed = prev_page (view_data);
602 } else if (!g_strcasecmp (verb_name, "nextpage")) {
603 changed = next_page (view_data);
604 } else if (!g_strcasecmp (verb_name, "lastpage")) {
605 changed = last_page (view_data);
607 g_warning ("Unknown verb");
610 render_page (view_data);
611 redraw_view (view_data, &rect);
612 gtk_widget_queue_draw (GTK_WIDGET (view_data->drawing_area));
618 view_factory (GnomeEmbeddable *embeddable,
619 const GNOME_ViewFrame view_frame,
624 bed_t *bed = (bed_t *)data;
625 view_data_t *view_data = g_new (view_data_t, 1);
628 printf ("Created new bonobo object view %p\n", view_data);
631 view_data->scale = 1.0;
632 view_data->bed = bed;
633 view_data->drawing_area = gtk_drawing_area_new ();
634 view_data->pixmap = NULL;
635 view_data->win = NULL;
636 view_data->out = NULL;
639 view_data->zoom = 43.0; /* 86.0; Must be small for demos :-) */
643 GTK_OBJECT (view_data->drawing_area),
645 GTK_SIGNAL_FUNC (drawing_area_realize), view_data);
648 GTK_OBJECT (view_data->drawing_area),
650 GTK_SIGNAL_FUNC (drawing_area_exposed), view_data);
652 gtk_widget_show (view_data->drawing_area);
654 setup_size (bed, view_data);
656 view = gnome_view_new (view_data->drawing_area);
657 view_data->view = view;
660 GTK_OBJECT (view), "destroy",
661 GTK_SIGNAL_FUNC (destroy_view), view_data);
664 uih = gnome_ui_handler_new ();
665 gnome_view_set_ui_handler (view, uih);
667 gtk_signal_connect (GTK_OBJECT (view), "view_activate",
668 GTK_SIGNAL_FUNC (view_activate), view_data);
670 gtk_signal_connect (GTK_OBJECT (view), "size_query",
671 GTK_SIGNAL_FUNC (view_size_query), view_data);
673 gtk_signal_connect (GTK_OBJECT (view), "set_zoom_factor",
674 GTK_SIGNAL_FUNC (view_zoom_query), view_data);
676 bed->views = g_list_prepend (bed->views, view_data);
679 gnome_view_register_verb (view, "FirstPage",
680 view_switch_page, view_data);
681 gnome_view_register_verb (view, "PrevPage",
682 view_switch_page, view_data);
683 gnome_view_register_verb (view, "NextPage",
684 view_switch_page, view_data);
685 gnome_view_register_verb (view, "LastPage",
686 view_switch_page, view_data);
692 embeddable_factory (GnomeEmbeddableFactory *This, void *data)
694 GnomeEmbeddable *embeddable;
695 GnomePersistStream *stream;
696 bed_t *bed = (bed_t *)data;
698 bed = g_new0 (bed_t, 1);
703 printf ("Created new bonobo object %p\n", bed);
706 * Creates the BonoboObject server
708 embeddable = gnome_embeddable_new (view_factory, bed);
709 if (embeddable == NULL){
717 * Interface GNOME::PersistStream
719 stream = gnome_persist_stream_new ("bonobo-object:image-x-pdf",
720 load_image_from_stream,
723 if (stream == NULL) {
724 gtk_object_unref (GTK_OBJECT (embeddable));
729 bed->embeddable = embeddable;
732 * Bind the interfaces
734 gnome_object_add_interface (GNOME_OBJECT (embeddable),
735 GNOME_OBJECT (stream));
737 GTK_OBJECT (embeddable), "destroy",
738 GTK_SIGNAL_FUNC (destroy_embed), bed);
740 embeddable_servers++;
742 /* Setup some verbs */
743 gnome_embeddable_add_verb (embeddable,
746 _("goto the first page"));
747 gnome_embeddable_add_verb (embeddable,
750 _("goto the previous page"));
751 gnome_embeddable_add_verb (embeddable,
754 _("goto the next page"));
755 gnome_embeddable_add_verb (embeddable,
758 _("goto the last page"));
760 return (GnomeObject *) embeddable;
764 init_bonobo_image_x_pdf_factory (void)
766 factory = gnome_embeddable_factory_new (
767 "bonobo-object-factory:image-x-pdf",
768 embeddable_factory, NULL);
777 init_server_factory (int argc, char **argv)
779 gnome_CORBA_init_with_popt_table (
780 "bonobo-image-x-pdf", "1.0",
781 &argc, argv, NULL, 0, NULL, GNORBA_INIT_SERVER_FUNC, &ev);
783 if (bonobo_init (CORBA_OBJECT_NIL, CORBA_OBJECT_NIL, CORBA_OBJECT_NIL) == FALSE)
784 g_error (_("I could not initialize Bonobo"));
788 main (int argc, char *argv [])
790 CORBA_exception_init (&ev);
792 init_server_factory (argc, argv);
793 if (!init_bonobo_image_x_pdf_factory ()){
794 fprintf (stderr, "Could not initialize the Bonobo PDF factory\n"
795 "probably a server is already running?");
801 initParams (xpdfConfigFile); /* Init font path */
803 gtk_widget_set_default_colormap (gdk_rgb_get_cmap ());
804 gtk_widget_set_default_visual (gdk_rgb_get_visual ());
808 CORBA_exception_free (&ev);