X-Git-Url: https://www.fi.muni.cz/~kas/git//home/kas/public_html/git/?a=blobdiff_plain;ds=sidebyside;f=pdf%2Fxpdf%2Fgpdf.cc;h=f0237c76646302dfb62b5eb74595884147053c28;hb=1a49446c08faaab930d3a36bc002b566eadb1ebc;hp=b57e75a4f52b84d0f1b439fcf531001e8da9c3b3;hpb=2610a3462d1ac3f20cba8f16dd07cba8a8c2fbef;p=evince.git diff --git a/pdf/xpdf/gpdf.cc b/pdf/xpdf/gpdf.cc index b57e75a4..f0237c76 100644 --- a/pdf/xpdf/gpdf.cc +++ b/pdf/xpdf/gpdf.cc @@ -1,21 +1,30 @@ -//======================================================================== -// -// gpdf.cc -// -// Copyright 1996 Derek B. Noonburg -// Copyright 1999 Michael Meeks. -// Copyright 1999 Miguel de Icaza -// -//======================================================================== +/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ +/* + * test-container.c + * + * A simple program to act as a test container for embeddable + * components. + * + * Authors: + * Nat Friedman (nat@gnome-support.com) + * Miguel de Icaza (miguel@gnu.org) + */ #include #include #include #include +extern "C" { #define GString G_String #include -#include +#include +#include +#include +#include #undef GString +} +#include +#include #include "gtypes.h" #include "GString.h" #include "parseargs.h" @@ -37,31 +46,10 @@ #include "Error.h" #include "config.h" -GBool printCommands = gFalse; -gint gpdf_debug=1; +CORBA_Environment ev; +CORBA_ORB orb; poptContext ctx; - -#define DEV_DEBUG 0 - -#define DOC_ROOT_TAG "xpdf_doc_root" -struct DOC_ROOT { - GString *title; - PDFDoc *pdf; - Catalog *cat; - GtkDrawingArea *area; - GtkPixmap *pixmap; - OutputDev *out; - GdkColor paper; - GtkScrolledWindow *scroll; - GtkWidget *mainframe; - GladeXML *gui; - guint w, h; - - double zoom; - gint page; -}; - -GList *documents = NULL; +gint gpdf_debug=1; const struct poptOption gpdf_popt_options [] = { { "debug", '\0', POPT_ARG_INT, &gpdf_debug, 0, @@ -69,324 +57,449 @@ const struct poptOption gpdf_popt_options [] = { { NULL, '\0', 0, NULL, 0 } }; -extern "C" { - static void connect_signals (DOC_ROOT *doc); -} +/* + * A handle to some Embeddables and their ClientSites so we can add + * views to existing components. + */ +GnomeObjectClient *text_obj; +GnomeClientSite *text_client_site; + +GnomeObjectClient *image_png_obj; +GnomeClientSite *image_client_site; + +/* + * The currently active view. We keep track of this + * so we can deactivate it when a new view is activated. + */ +GnomeViewFrame *active_view_frame; + +char *server_goadid = "gnome_xpdf_viewer"; -//------------------------------------------------------------------------ -// loadFile / displayPage -//------------------------------------------------------------------------ +typedef struct { + GtkWidget *app; + GnomeContainer *container; + GtkWidget *box; + GnomeUIHandler *uih; + gboolean contains_pdf; +} Application; -static GtkPixmap * -setup_pixmap (DOC_ROOT *doc, DOC_ROOT *view, GdkWindow *window) +/* List of applications */ +GList *apps = NULL; + +static Application * application_new (void); + +static void +application_destroy (Application *app) { - GdkGCValues gcValues; - GdkGC *strokeGC; - PDFDoc *pdf = doc->pdf; - int w, h; - GdkPixmap *pixmap = NULL; - - w = view->w = (int)((pdf->getPageWidth (view->page) * view->zoom) / 72.0); - h = view->h = (int)((pdf->getPageHeight (view->page) * view->zoom) / 72.0); - - pixmap = gdk_pixmap_new (window, w, h, -1); - - gdk_color_white (gtk_widget_get_default_colormap(), &view->paper); - view->out = new GOutputDev (pixmap, view->paper, window); - - gdk_color_white (gtk_widget_get_default_colormap (), &gcValues.foreground); - gdk_color_black (gtk_widget_get_default_colormap (), &gcValues.background); - gcValues.line_width = 1; - gcValues.line_style = GDK_LINE_SOLID; - strokeGC = gdk_gc_new_with_values ( - pixmap, &gcValues, - (enum GdkGCValuesMask)(GDK_GC_FOREGROUND | GDK_GC_BACKGROUND | GDK_GC_LINE_WIDTH | GDK_GC_LINE_STYLE)); - - gdk_draw_rectangle (pixmap, strokeGC, - TRUE, 0, 0, - w, h); - - return GTK_PIXMAP (gtk_pixmap_new (pixmap, NULL)); + apps = g_list_remove (apps, app); + gtk_widget_destroy (app->app); + g_free (app); + if (!apps) + gtk_main_quit (); } static void -render_page (DOC_ROOT *doc, DOC_ROOT *view) +applications_destroy () +{ + while (apps) + application_destroy ((Application *)apps->data); +} + +static GnomeObjectClient * +launch_server (GnomeClientSite *client_site, GnomeContainer *container, char *goadid) { - doc->pdf->displayPage(doc->out, view->page, view->zoom, 0, gTrue); + GnomeObjectClient *object_server; + + gnome_container_add (container, GNOME_OBJECT (client_site)); + + printf ("Launching...\n"); + object_server = gnome_object_activate_with_goad_id (NULL, goadid, GOAD_ACTIVATE_SHLIB, NULL); + printf ("Return: %p\n", object_server); + if (!object_server){ + g_warning (_("Can not activate object_server\n")); + return NULL; + } + + if (!gnome_client_site_bind_embeddable (client_site, object_server)){ + g_warning (_("Can not bind object server to client_site\n")); + return NULL; + } + + return object_server; } -/*static void displayPage(int page1, int zoom1, int rotate1) { - char s[20]; +static GnomeObjectClient * +launch_server_moniker (GnomeClientSite *client_site, GnomeContainer *container, char *moniker) +{ + GnomeObjectClient *object_server; + + gnome_container_add (container, GNOME_OBJECT (client_site)); + + printf ("Launching moniker %s...\n", moniker); + object_server = gnome_object_activate (moniker, GOAD_ACTIVATE_SHLIB); + printf ("Return: %p\n", object_server); + if (!object_server){ + g_warning (_("Can not activate object_server\n")); + return NULL; + } + + if (!gnome_client_site_bind_embeddable (client_site, object_server)){ + g_warning (_("Can not bind object server to client_site\n")); + return NULL; + } + + return object_server; +} + +/* + * This function is called when the user double clicks on a View in + * order to activate it. + */ +static gint +user_activation_request_cb (GnomeViewFrame *view_frame) +{ + /* + * If there is already an active View, deactivate it. + */ + if (active_view_frame != NULL) { + /* + * This just sends a notice to the embedded View that + * it is being deactivated. We will also forcibly + * cover it so that it does not receive any Gtk + * events. + */ + gnome_view_frame_view_deactivate (active_view_frame); + + /* + * Here we manually cover it if it hasn't acquiesced. + * If it has consented to be deactivated, then it will + * already have notified us that it is inactive, and + * we will have covered it and set active_view_frame + * to NULL. Which is why this check is here. + */ + if (active_view_frame != NULL) + gnome_view_frame_set_covered (active_view_frame, TRUE); + + active_view_frame = NULL; + } + + /* + * Activate the View which the user clicked on. This just + * sends a request to the embedded View to activate itself. + * When it agrees to be activated, it will notify its + * ViewFrame, and our view_activated_cb callback will be + * called. + * + * We do not uncover the View here, because it may not wish to + * be activated, and so we wait until it notifies us that it + * has been activated to uncover it. + */ + gnome_view_frame_view_activate (view_frame); + + return FALSE; +} + +/* + * Gets called when the View notifies the ViewFrame that it would like + * to be activated or deactivated. + */ +static gint +view_activated_cb (GnomeViewFrame *view_frame, gboolean activated) +{ + + if (activated) { + /* + * If the View is requesting to be activated, then we + * check whether or not there is already an active + * View. + */ + if (active_view_frame != NULL) { + g_warning ("View requested to be activated but there is already " + "an active View!\n"); + return FALSE; + } + + /* + * Otherwise, uncover it so that it can receive + * events, and set it as the active View. + */ + gnome_view_frame_set_covered (view_frame, FALSE); + active_view_frame = view_frame; + } else { + /* + * If the View is asking to be deactivated, always + * oblige. We may have already deactivated it (see + * user_activation_request_cb), but there's no harm in + * doing it again. There is always the possibility + * that a View will ask to be deactivated when we have + * not told it to deactivate itself, and that is + * why we cover the view here. + */ + gnome_view_frame_set_covered (view_frame, TRUE); + + if (view_frame == active_view_frame) + active_view_frame = NULL; + } + + return FALSE; +} + +static GnomeViewFrame * +add_view (Application *app, + GnomeClientSite *client_site, GnomeObjectClient *server) +{ + GnomeViewFrame *view_frame; + GtkWidget *view_widget; + + view_frame = gnome_client_site_embeddable_new_view (client_site); + + gtk_signal_connect (GTK_OBJECT (view_frame), "user_activate", + GTK_SIGNAL_FUNC (user_activation_request_cb), NULL); + gtk_signal_connect (GTK_OBJECT (view_frame), "view_activated", + GTK_SIGNAL_FUNC (view_activated_cb), NULL); - // check for document - if (!doc) - return; + gnome_view_frame_set_ui_handler (view_frame, app->uih); - // busy cursor - if (win) - win->setBusyCursor(gTrue); + view_widget = gnome_view_frame_get_wrapper (view_frame); - // new page/zoom/rotate values - page = page1; - zoom = zoom1; - rotate = rotate1; + gtk_box_pack_start (GTK_BOX (app->box), view_widget, TRUE, TRUE, 0); + gtk_widget_show_all (app->box); - // initialize mouse-related stuff - linkAction = NULL; - win->setDefaultCursor(); - linkLabel->setText(NULL); - selectXMin = selectXMax = 0; - selectYMin = selectYMax = 0; - lastDragLeft = lastDragTop = gTrue; + return view_frame; +} /* add_view */ - // draw the page - doc->displayPage(out, page, zoomDPI[zoom - minZoom], rotate, gTrue); - layoutCbk(win); +static GnomeObjectClient * +add_cmd (Application *app, char *server_goadid, + GnomeClientSite **client_site) +{ + GnomeObjectClient *server; + + *client_site = gnome_client_site_new (app->container); + + server = launch_server (*client_site, app->container, server_goadid); + if (server == NULL) + return NULL; - // update page number display - sprintf(s, "%d", page); - pageNumText->setText(s); + add_view (app, *client_site, server); + return server; +} - // back to regular cursor - win->setBusyCursor(gFalse); - }*/ +static void +open_pdf (Application *app, const char *name) +{ + GnomeObjectClient *object; + GnomeStream *stream; + GNOME_PersistStream persist; + + object = add_cmd (app, "bonobo-object:image-x-pdf", &image_client_site); + if (object == NULL) { + gnome_error_dialog (_("Could not launch bonobo object.")); + return; + } + + image_png_obj = object; + + persist = GNOME_Unknown_query_interface ( + gnome_object_corba_objref (GNOME_OBJECT (object)), + "IDL:GNOME/PersistStream:1.0", &ev); + + if (ev._major != CORBA_NO_EXCEPTION || + persist == CORBA_OBJECT_NIL) { + gnome_error_dialog ("Panic: component is well broken."); + return; + } + + stream = gnome_stream_fs_open (name, GNOME_Storage_READ); + + if (stream == NULL) { + char *err = g_strconcat (_("Could not open "), name, NULL); + gnome_error_dialog_parented (err, GTK_WINDOW(app->app)); + g_free (err); + return; + } + + GNOME_PersistStream_load (persist, + (GNOME_Stream) gnome_object_corba_objref (GNOME_OBJECT (stream)), &ev); + + GNOME_Unknown_unref (persist, &ev); + CORBA_Object_release (persist, &ev); + app->contains_pdf = TRUE; +} -static PDFDoc * -getPDF (GString *fname) +static void +set_ok (GtkWidget *widget, gboolean *dialog_result) { - PDFDoc *pdf; - BaseFile *file; - - pdf = new PDFDoc(bxpdfopen(fname), fname); - if (!pdf->isOk()) { - delete pdf; - return NULL; - } - g_return_val_if_fail (pdf->getCatalog(), NULL); - return pdf; + *dialog_result = TRUE; + gtk_main_quit (); } -static DOC_ROOT * -doc_root_new (GString *fileName) +static guint +file_dialog_delete_event (GtkWidget *widget, GdkEventAny *event) { - DOC_ROOT *doc = new DOC_ROOT(); - GtkVBox *pane; - - // open PDF file - doc->pdf = getPDF (fileName); - if (!doc->pdf) { - delete doc; - return NULL; - } - - doc->gui = glade_xml_new (GPDF_GLADE_DIR "/gpdf.glade", NULL); - if (!doc->gui || - !(doc->mainframe = glade_xml_get_widget (doc->gui, "gpdf")) || - !(pane = GTK_VBOX (glade_xml_get_widget (doc->gui, "pane")))) { - printf ("Couldn't find " GPDF_GLADE_DIR "/gpdf.glade\n"); - delete doc->pdf; - delete doc; - return NULL; - } - - doc->zoom = 86.0; - doc->page = 1; - - connect_signals (doc); - - gtk_object_set_data (GTK_OBJECT (doc->mainframe), DOC_ROOT_TAG, doc); - - doc->pixmap = setup_pixmap (doc, doc, gtk_widget_get_parent_window (GTK_WIDGET (pane))); - - doc->scroll = GTK_SCROLLED_WINDOW (gtk_scrolled_window_new (NULL, NULL)); - gtk_scrolled_window_set_policy (doc->scroll, GTK_POLICY_AUTOMATIC, - GTK_POLICY_AUTOMATIC); - render_page (doc, doc); - gtk_scrolled_window_add_with_viewport (doc->scroll, GTK_WIDGET (doc->pixmap)); - gtk_box_pack_start (GTK_BOX (pane), GTK_WIDGET (doc->scroll), TRUE, TRUE, 0); - - gtk_widget_show_all (doc->mainframe); - - documents = g_list_append (documents, doc); - - return doc; + gtk_main_quit (); + return TRUE; } static void -doc_root_destroy (DOC_ROOT *doc) +file_open_cmd (GtkWidget *widget, Application *app) { - gtk_widget_destroy (doc->mainframe); - gtk_object_destroy (GTK_OBJECT (doc->gui)); - - documents = g_list_remove (documents, doc); - if (g_list_length (documents) == 0) - gtk_main_quit (); - delete (doc); + GtkFileSelection *fsel; + gboolean accepted = FALSE; + + fsel = GTK_FILE_SELECTION (gtk_file_selection_new (_("Load file"))); + gtk_window_set_modal (GTK_WINDOW (fsel), TRUE); + + gtk_window_set_transient_for (GTK_WINDOW (fsel), + GTK_WINDOW (app->app)); + + /* Connect the signals for Ok and Cancel */ + gtk_signal_connect (GTK_OBJECT (fsel->ok_button), "clicked", + GTK_SIGNAL_FUNC (set_ok), &accepted); + gtk_signal_connect (GTK_OBJECT (fsel->cancel_button), "clicked", + GTK_SIGNAL_FUNC (gtk_main_quit), NULL); + gtk_window_set_position (GTK_WINDOW (fsel), GTK_WIN_POS_MOUSE); + + /* + * Make sure that we quit the main loop if the window is destroyed + */ + gtk_signal_connect (GTK_OBJECT (fsel), "delete_event", + GTK_SIGNAL_FUNC (file_dialog_delete_event), NULL); + + /* Run the dialog */ + gtk_widget_show (GTK_WIDGET (fsel)); + gtk_grab_add (GTK_WIDGET (fsel)); + gtk_main (); + + if (accepted) { + char *name = gtk_file_selection_get_filename (fsel); + + if (name [strlen (name)-1] != '/') { + if (app->contains_pdf) + app = application_new (); + char *fname = g_strdup (name); + open_pdf (app, fname); + g_free (fname); + } else { + GtkWidget *dialog; + dialog = gnome_message_box_new ("Can't open a directory", + GNOME_MESSAGE_BOX_ERROR, + GNOME_STOCK_BUTTON_OK, NULL); + gnome_dialog_set_parent (GNOME_DIALOG (dialog), + GTK_WINDOW (app->app)); + gnome_dialog_run (GNOME_DIALOG (dialog)); + } + } + + gtk_widget_destroy (GTK_WIDGET (fsel)); } -//------------------------------------------------------------------------ -// Signal handlers -//------------------------------------------------------------------------ +static void +close_cmd (GtkWidget *widget, Application *app) +{ + application_destroy (app); +} -extern "C" { - void - do_close (GtkWidget *menuitem, DOC_ROOT *doc) - { - doc_root_destroy (doc); - } - - void - do_exit (GtkWidget *menuitem, DOC_ROOT *doc) - { - GList *l; - while ((l=documents)) - doc_root_destroy ((DOC_ROOT *)l->data); - } - - static void - do_about_box (GtkWidget *w, DOC_ROOT *doc) - { - GladeXML *gui = glade_xml_new (GPDF_GLADE_DIR "/about.glade", NULL); - g_return_if_fail (gui); - GtkWidget *wi = glade_xml_get_widget (gui, "about_box"); - g_return_if_fail (wi); - gtk_widget_show (wi); - gtk_object_destroy (GTK_OBJECT (gui)); - } - - static void - do_forward_button (GtkWidget *w, DOC_ROOT *doc) - { - if (doc->page < doc->pdf->getNumPages()) { - doc->page++; - render_page (doc, doc); - gtk_widget_queue_draw (GTK_WIDGET (doc->scroll)); - } - } - - static void - do_back_button (GtkWidget *w, DOC_ROOT *doc) - { - if (doc->page > 1) { - doc->page--; - render_page (doc, doc); - gtk_widget_queue_draw (GTK_WIDGET (doc->pixmap)); - } - } - - static void - do_first_button (GtkWidget *w, DOC_ROOT *doc) - { - if (doc->page != 1) { - doc->page = 1; - render_page (doc, doc); - gtk_widget_queue_draw (GTK_WIDGET (doc->pixmap)); - } - } - - static void - do_last_button (GtkWidget *w, DOC_ROOT *doc) - { - if (doc->page != doc->pdf->getNumPages()) { - doc->page = doc->pdf->getNumPages(); - render_page (doc, doc); - gtk_widget_queue_draw (GTK_WIDGET (doc->pixmap)); - } - } - - static void - do_larger_button (GtkWidget *w, DOC_ROOT *doc) - { - if (doc->zoom < 200) { - doc->zoom *= 1.2; - render_page (doc, doc); - gtk_widget_queue_draw (GTK_WIDGET (doc->pixmap)); - } - } - - static void - do_smaller_button (GtkWidget *w, DOC_ROOT *doc) - { - if (doc->zoom < 200) { - doc->zoom /= 1.2; - render_page (doc, doc); - gtk_widget_queue_draw (GTK_WIDGET (doc->pixmap)); - } - } - - static void - simple_menu_connect (DOC_ROOT *doc, const char *name, GtkSignalFunc func) - { - GtkWidget *w; - w = glade_xml_get_widget (doc->gui, name); - g_return_if_fail (w); - gtk_signal_connect (GTK_OBJECT (w), "activate", func, doc); - } - - static void - simple_button_connect (DOC_ROOT *doc, const char *name, GtkSignalFunc func) - { - GtkWidget *w; - w = glade_xml_get_widget (doc->gui, name); - g_return_if_fail (w); - gtk_signal_connect (GTK_OBJECT (w), "clicked", func, doc); - } - - static void - connect_signals (DOC_ROOT *doc) - { - GtkWidget *w; - - simple_menu_connect (doc, "about_menu", GTK_SIGNAL_FUNC (do_about_box)); - simple_menu_connect (doc, "close_menu", GTK_SIGNAL_FUNC (do_close)); - simple_menu_connect (doc, "exit_menu", GTK_SIGNAL_FUNC (do_exit)); - - simple_button_connect (doc, "forward", GTK_SIGNAL_FUNC (do_forward_button)); - simple_button_connect (doc, "back", GTK_SIGNAL_FUNC (do_back_button)); - simple_button_connect (doc, "first", GTK_SIGNAL_FUNC (do_first_button)); - simple_button_connect (doc, "last", GTK_SIGNAL_FUNC (do_last_button)); -/* simple_button_connect (doc, "larger", GTK_SIGNAL_FUNC (do_larger_button)); need to resize the gtkpixmap... - simple_button_connect (doc, "smaller", GTK_SIGNAL_FUNC (do_smaller_button)); but bed first. */ - - gtk_signal_connect (GTK_OBJECT (doc->mainframe), "destroy", - GTK_SIGNAL_FUNC (do_close), doc); - } +static void +exit_cmd (void) +{ + applications_destroy (); +} + +static GnomeUIInfo container_file_menu [] = { + GNOMEUIINFO_MENU_OPEN_ITEM (file_open_cmd, NULL), + GNOMEUIINFO_SEPARATOR, + GNOMEUIINFO_MENU_CLOSE_ITEM(close_cmd, NULL), + GNOMEUIINFO_SEPARATOR, + GNOMEUIINFO_MENU_EXIT_ITEM (exit_cmd, NULL), + GNOMEUIINFO_END +}; + +static GnomeUIInfo container_main_menu [] = { + GNOMEUIINFO_MENU_FILE_TREE (container_file_menu), + GNOMEUIINFO_END +}; + +static Application * +application_new (void) +{ + Application *app; + GnomeUIHandlerMenuItem *menu_list; + + app = g_new0 (Application, 1); + app->app = gnome_app_new ("gpdf", + "GNOME PDF viewer"); + app->container = GNOME_CONTAINER (gnome_container_new ()); + app->contains_pdf = FALSE; + + app->box = gtk_vbox_new (FALSE, 0); + gtk_widget_show (app->box); + gnome_app_set_contents (GNOME_APP (app->app), app->box); + + /* + * Create the menus. + */ + app->uih = gnome_ui_handler_new (); + + gnome_ui_handler_set_app (app->uih, GNOME_APP (app->app)); + gnome_ui_handler_create_menubar (app->uih); + + menu_list = gnome_ui_handler_menu_parse_uiinfo_list_with_data (container_main_menu, app); + gnome_ui_handler_menu_add_list (app->uih, "/", menu_list); + gnome_ui_handler_menu_free_list (menu_list); + +/* gnome_ui_handler_create_toolbar (app->uih, "Common"); + gnome_ui_handler_toolbar_new_item (app->uih, + "/Common/item 1", + "Container-added Item 1", "I am the container. Hear me roar.", + 0, GNOME_UI_HANDLER_PIXMAP_NONE, NULL, 0, 0, + NULL, NULL);*/ + + gtk_widget_show (app->app); + + apps = g_list_append (apps, app); + return app; } int main (int argc, char *argv []) { - char **view_files = NULL; - int i; - - gnome_init_with_popt_table ( - "gpdf", "0.1", argc, argv, - gpdf_popt_options, 0, &ctx); - - errorInit(); - - initParams (xpdfConfigFile); /* Init font path */ - - glade_gnome_init (); - - view_files = poptGetArgs (ctx); - /* Load files */ - if (view_files) { - for (i = 0; view_files[i]; i++) { - GString *name = new GString (view_files[i]); - if (!name || !doc_root_new (name)) - printf ("Error loading '%s'\n", view_files[i]); - } - } else { - printf ("Need filenames...\n"); - exit (0); - } - - poptFreeContext (ctx); - - gtk_main (); - - freeParams(); - - /* Destroy files */ + Application *app; + char **view_files = NULL; + + if (argc != 1){ + server_goadid = argv [1]; + } + + CORBA_exception_init (&ev); + + gnome_CORBA_init_with_popt_table ("PDFViewer", "0.0.1", + &argc, argv, + gpdf_popt_options, 0, &ctx, + GNORBA_INIT_SERVER_FUNC, &ev); + orb = gnome_CORBA_ORB (); + + if (bonobo_init (orb, NULL, NULL) == FALSE) + g_error (_("Can not bonobo_init\n")); + + app = application_new (); + + view_files = poptGetArgs (ctx); + + /* Load files */ + if (view_files) { + int i; + for (i = 0; view_files[i]; i++) { + if (app->contains_pdf) + app = application_new (); + open_pdf (app, view_files[i]); + } + } + + poptFreeContext (ctx); + + gtk_main (); + + CORBA_exception_free (&ev); + + return 0; }