X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;ds=sidebyside;f=src%2Fui%2Fgui%2Fpsppire-syntax-window.c;h=c7251a1ab77206c9772df3f377b408708ef67ad3;hb=a258e53c63a08b0ec48aea8f03808eb651729424;hp=3541a165705b20dbed1b68cf366db4e17d1c0c51;hpb=cd7df218e1f2798b4ac8e193558a67e6ad59e3ed;p=pspp-builds.git diff --git a/src/ui/gui/psppire-syntax-window.c b/src/ui/gui/psppire-syntax-window.c index 3541a165..c7251a1a 100644 --- a/src/ui/gui/psppire-syntax-window.c +++ b/src/ui/gui/psppire-syntax-window.c @@ -16,16 +16,22 @@ #include +#include "relocatable.h" + #include #include #include "executor.h" #include "helper.h" +#include +#include +#include +#include + #include #include #include "psppire.h" -#include "psppire-syntax-window.h" #include "psppire-data-window.h" #include "psppire-window-register.h" @@ -99,10 +105,63 @@ psppire_syntax_window_finalize (GObject *object) } +static void +psppire_syntax_window_dispose (GObject *obj) +{ + PsppireSyntaxWindow *sw = (PsppireSyntaxWindow *)obj; + + GtkClipboard *clip_selection; + GtkClipboard *clip_primary; + + if (sw->dispose_has_run) + return; + + clip_selection = gtk_widget_get_clipboard (GTK_WIDGET (sw), GDK_SELECTION_CLIPBOARD); + clip_primary = gtk_widget_get_clipboard (GTK_WIDGET (sw), GDK_SELECTION_PRIMARY); + + g_signal_handler_disconnect (clip_primary, sw->sel_handler); + + g_signal_handler_disconnect (clip_selection, sw->ps_handler); + + /* Make sure dispose does not run twice. */ + sw->dispose_has_run = TRUE; + + /* Chain up to the parent class */ + G_OBJECT_CLASS (parent_class)->dispose (obj); +} + + + static void psppire_syntax_window_class_init (PsppireSyntaxWindowClass *class) { + GObjectClass *gobject_class = G_OBJECT_CLASS (class); + + GtkSourceLanguageManager *lm = gtk_source_language_manager_get_default (); + + const gchar * const *existing_paths = gtk_source_language_manager_get_search_path (lm); + gchar **new_paths = g_strdupv ((gchar **)existing_paths); + int n = g_strv_length ((gchar **) existing_paths); + + new_paths = g_realloc (new_paths, (n + 2) * sizeof (*new_paths)); + new_paths[n] = g_strdup (relocate (PKGDATADIR)); + new_paths[n+1] = NULL; + + lm = gtk_source_language_manager_new (); + gtk_source_language_manager_set_search_path (lm, new_paths); + + class->lan = gtk_source_language_manager_get_language (lm, "pspp"); + + if (class->lan == NULL) + g_warning ("pspp.lang file not found. Syntax highlighting will not be available."); + parent_class = g_type_class_peek_parent (class); + + g_strfreev (new_paths); + + parent_class = g_type_class_peek_parent (class); + + gobject_class->dispose = psppire_syntax_window_dispose; } @@ -110,7 +169,6 @@ static void psppire_syntax_window_base_init (PsppireSyntaxWindowClass *class) { GObjectClass *object_class = G_OBJECT_CLASS (class); - object_class->finalize = psppire_syntax_window_finalize; } @@ -129,10 +187,188 @@ editor_execute_syntax (const PsppireSyntaxWindow *sw, GtkTextIter start, { PsppireWindow *win = PSPPIRE_WINDOW (sw); const gchar *name = psppire_window_get_filename (win); - execute_syntax (create_syntax_editor_source (sw->buffer, start, stop, name)); + execute_syntax (create_syntax_editor_source (GTK_TEXT_BUFFER (sw->buffer), start, stop, name)); } + + +/* Delete the currently selected text */ +static void +on_edit_delete (PsppireSyntaxWindow *sw) +{ + GtkTextIter begin, end; + GtkTextBuffer *buffer = GTK_TEXT_BUFFER (sw->buffer); + + if ( gtk_text_buffer_get_selection_bounds (buffer, &begin, &end) ) + gtk_text_buffer_delete (buffer, &begin, &end); +} + + +/* The syntax editor's clipboard deals only with text */ +enum { + SELECT_FMT_NULL, + SELECT_FMT_TEXT, +}; + + +static void +selection_changed (PsppireSyntaxWindow *sw) +{ + gboolean sel = gtk_text_buffer_get_has_selection (GTK_TEXT_BUFFER (sw->buffer)); + + gtk_action_set_sensitive (sw->edit_copy, sel); + gtk_action_set_sensitive (sw->edit_cut, sel); + gtk_action_set_sensitive (sw->edit_delete, sel); +} + +/* The callback which runs when something request clipboard data */ +static void +clipboard_get_cb (GtkClipboard *clipboard, + GtkSelectionData *selection_data, + guint info, + gpointer data) +{ + PsppireSyntaxWindow *sw = data; + g_assert (info == SELECT_FMT_TEXT); + + gtk_selection_data_set (selection_data, selection_data->target, + 8, + (const guchar *) sw->cliptext, strlen (sw->cliptext)); + +} + +static void +clipboard_clear_cb (GtkClipboard *clipboard, + gpointer data) +{ + PsppireSyntaxWindow *sw = data; + g_free (sw->cliptext); + sw->cliptext = NULL; +} + + +static const GtkTargetEntry targets[] = { + { "UTF8_STRING", 0, SELECT_FMT_TEXT }, + { "STRING", 0, SELECT_FMT_TEXT }, + { "TEXT", 0, SELECT_FMT_TEXT }, + { "COMPOUND_TEXT", 0, SELECT_FMT_TEXT }, + { "text/plain;charset=utf-8", 0, SELECT_FMT_TEXT }, + { "text/plain", 0, SELECT_FMT_TEXT }, +}; + + +/* + Store a clip containing the currently selected text. + Returns true iff something was set. + As a side effect, begin and end will be set to indicate + the limits of the selected text. +*/ +static gboolean +set_clip (PsppireSyntaxWindow *sw, GtkTextIter *begin, GtkTextIter *end) +{ + GtkClipboard *clipboard ; + GtkTextBuffer *buffer = GTK_TEXT_BUFFER (sw->buffer); + + if ( ! gtk_text_buffer_get_selection_bounds (buffer, begin, end) ) + return FALSE; + + g_free (sw->cliptext); + sw->cliptext = gtk_text_buffer_get_text (buffer, begin, end, FALSE); + + clipboard = + gtk_widget_get_clipboard (GTK_WIDGET (sw), GDK_SELECTION_CLIPBOARD); + + if (!gtk_clipboard_set_with_owner (clipboard, targets, + G_N_ELEMENTS (targets), + clipboard_get_cb, clipboard_clear_cb, + G_OBJECT (sw))) + clipboard_clear_cb (clipboard, sw); + + return TRUE; +} + +static void +on_edit_cut (PsppireSyntaxWindow *sw) +{ + GtkTextIter begin, end; + + if ( set_clip (sw, &begin, &end)) + gtk_text_buffer_delete (GTK_TEXT_BUFFER (sw->buffer), &begin, &end); +} + +static void +on_edit_copy (PsppireSyntaxWindow *sw) +{ + GtkTextIter begin, end; + + set_clip (sw, &begin, &end); +} + + +/* A callback for when the clipboard contents have been received */ +static void +contents_received_callback (GtkClipboard *clipboard, + GtkSelectionData *sd, + gpointer data) +{ + gchar *c; + PsppireSyntaxWindow *syntax_window = data; + + if ( sd->length < 0 ) + return; + + if ( sd->type != gdk_atom_intern ("UTF8_STRING", FALSE)) + return; + + c = (gchar *) sd->data; + + gtk_text_buffer_insert_at_cursor (GTK_TEXT_BUFFER (syntax_window->buffer), + (gchar *) sd->data, + sd->length); + +} + +static void +on_edit_paste (PsppireSyntaxWindow *sw) +{ + GdkDisplay *display = gtk_widget_get_display (GTK_WIDGET (sw)); + GtkClipboard *clipboard = + gtk_clipboard_get_for_display (display, GDK_SELECTION_CLIPBOARD); + + gtk_clipboard_request_contents (clipboard, + gdk_atom_intern ("UTF8_STRING", TRUE), + contents_received_callback, + sw); +} + + +/* Check to see if CLIP holds a target which we know how to paste, + and set the sensitivity of the Paste action accordingly. + */ +static void +set_paste_sensitivity (GtkClipboard *clip, GdkEventOwnerChange *event, gpointer data) +{ + gint i; + gboolean compatible_target = FALSE; + PsppireSyntaxWindow *sw = PSPPIRE_SYNTAX_WINDOW (data); + + for (i = 0 ; i < sizeof (targets) / sizeof (targets[0]) ; ++i) + { + GdkAtom atom = gdk_atom_intern (targets[i].target, TRUE); + if ( gtk_clipboard_wait_is_target_available (clip, atom)) + { + compatible_target = TRUE; + break; + } + } + + gtk_action_set_sensitive (sw->edit_paste, compatible_target); +} + + + + /* Parse and execute all the text in the buffer */ static void on_run_all (GtkMenuItem *menuitem, gpointer user_data) @@ -140,8 +376,8 @@ on_run_all (GtkMenuItem *menuitem, gpointer user_data) GtkTextIter begin, end; PsppireSyntaxWindow *se = PSPPIRE_SYNTAX_WINDOW (user_data); - gtk_text_buffer_get_iter_at_offset (se->buffer, &begin, 0); - gtk_text_buffer_get_iter_at_offset (se->buffer, &end, -1); + gtk_text_buffer_get_iter_at_offset (GTK_TEXT_BUFFER (se->buffer), &begin, 0); + gtk_text_buffer_get_iter_at_offset (GTK_TEXT_BUFFER (se->buffer), &end, -1); editor_execute_syntax (se, begin, end); } @@ -153,7 +389,7 @@ on_run_selection (GtkMenuItem *menuitem, gpointer user_data) GtkTextIter begin, end; PsppireSyntaxWindow *se = PSPPIRE_SYNTAX_WINDOW (user_data); - if ( gtk_text_buffer_get_selection_bounds (se->buffer, &begin, &end) ) + if ( gtk_text_buffer_get_selection_bounds (GTK_TEXT_BUFFER (se->buffer), &begin, &end) ) editor_execute_syntax (se, begin, end); } @@ -170,17 +406,17 @@ on_run_to_end (GtkMenuItem *menuitem, gpointer user_data) PsppireSyntaxWindow *se = PSPPIRE_SYNTAX_WINDOW (user_data); /* Get the current line */ - gtk_text_buffer_get_iter_at_mark (se->buffer, + gtk_text_buffer_get_iter_at_mark (GTK_TEXT_BUFFER (se->buffer), &here, - gtk_text_buffer_get_insert (se->buffer) + gtk_text_buffer_get_insert (GTK_TEXT_BUFFER (se->buffer)) ); line = gtk_text_iter_get_line (&here) ; /* Now set begin and end to the start of this line, and end of buffer respectively */ - gtk_text_buffer_get_iter_at_line (se->buffer, &begin, line); - gtk_text_buffer_get_iter_at_line (se->buffer, &end, -1); + gtk_text_buffer_get_iter_at_line (GTK_TEXT_BUFFER (se->buffer), &begin, line); + gtk_text_buffer_get_iter_at_line (GTK_TEXT_BUFFER (se->buffer), &end, -1); editor_execute_syntax (se, begin, end); } @@ -198,17 +434,17 @@ on_run_current_line (GtkMenuItem *menuitem, gpointer user_data) PsppireSyntaxWindow *se = PSPPIRE_SYNTAX_WINDOW (user_data); /* Get the current line */ - gtk_text_buffer_get_iter_at_mark (se->buffer, + gtk_text_buffer_get_iter_at_mark (GTK_TEXT_BUFFER (se->buffer), &here, - gtk_text_buffer_get_insert (se->buffer) + gtk_text_buffer_get_insert (GTK_TEXT_BUFFER (se->buffer)) ); line = gtk_text_iter_get_line (&here) ; /* Now set begin and end to the start of this line, and start of following line respectively */ - gtk_text_buffer_get_iter_at_line (se->buffer, &begin, line); - gtk_text_buffer_get_iter_at_line (se->buffer, &end, line + 1); + gtk_text_buffer_get_iter_at_line (GTK_TEXT_BUFFER (se->buffer), &begin, line); + gtk_text_buffer_get_iter_at_line (GTK_TEXT_BUFFER (se->buffer), &end, line + 1); editor_execute_syntax (se, begin, end); } @@ -240,7 +476,7 @@ save_editor_to_file (PsppireSyntaxWindow *se, const gchar *filename, GError **err) { - GtkTextBuffer *buffer = se->buffer; + GtkTextBuffer *buffer = GTK_TEXT_BUFFER (se->buffer); gboolean result ; GtkTextIter start, stop; gchar *text; @@ -262,7 +498,7 @@ save_editor_to_file (PsppireSyntaxWindow *se, if ( result ) { char *fn = g_filename_display_name (filename); - gchar *msg = g_strdup_printf (_("Saved file \"%s\""), fn); + gchar *msg = g_strdup_printf (_("Saved file `%s'"), fn); g_free (fn); gtk_statusbar_push (GTK_STATUSBAR (se->sb), se->text_context, msg); gtk_text_buffer_set_modified (buffer, FALSE); @@ -353,6 +589,21 @@ on_quit (GtkMenuItem *menuitem, gpointer user_data) } +static void +load_and_show_syntax_window (GtkWidget *se, const gchar *filename) +{ + gboolean ok; + + gtk_source_buffer_begin_not_undoable_action (PSPPIRE_SYNTAX_WINDOW (se)->buffer); + ok = psppire_window_load (PSPPIRE_WINDOW (se), filename); + gtk_source_buffer_end_not_undoable_action (PSPPIRE_SYNTAX_WINDOW (se)->buffer); + + if (ok ) + gtk_widget_show (se); + else + gtk_widget_destroy (se); +} + void create_syntax_window (void) { @@ -361,21 +612,17 @@ create_syntax_window (void) } void -open_syntax_window (const char *file_name) +open_new_syntax_window (const char *file_name) { GtkWidget *se = psppire_syntax_window_new (); - if ( psppire_window_load (PSPPIRE_WINDOW (se), file_name) ) - gtk_widget_show (se); - else - gtk_widget_destroy (se); + if ( file_name) + load_and_show_syntax_window (se, file_name); } -static void -on_text_changed (GtkTextBuffer *buffer, PsppireSyntaxWindow *window) -{ - gtk_statusbar_pop (GTK_STATUSBAR (window->sb), window->text_context); -} + + +static void psppire_syntax_window_print (PsppireSyntaxWindow *window); static void on_modified_changed (GtkTextBuffer *buffer, PsppireWindow *window) @@ -386,6 +633,17 @@ on_modified_changed (GtkTextBuffer *buffer, PsppireWindow *window) extern struct source_stream *the_source_stream ; +static void undo_redo_update (PsppireSyntaxWindow *window); +static void undo_last_edit (PsppireSyntaxWindow *window); +static void redo_last_edit (PsppireSyntaxWindow *window); + +static void +on_text_changed (GtkTextBuffer *buffer, PsppireSyntaxWindow *window) +{ + gtk_statusbar_pop (GTK_STATUSBAR (window->sb), window->text_context); + undo_redo_update (window); +} + static void psppire_syntax_window_init (PsppireSyntaxWindow *window) { @@ -395,19 +653,79 @@ psppire_syntax_window_init (PsppireSyntaxWindow *window) GtkWidget *menubar = get_widget_assert (xml, "menubar"); GtkWidget *sw = get_widget_assert (xml, "scrolledwindow8"); - GtkWidget *text_view = get_widget_assert (xml, "syntax_text_view"); - window->buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (text_view)); + + PsppireSyntaxWindowClass *class + = PSPPIRE_SYNTAX_WINDOW_CLASS (G_OBJECT_GET_CLASS (window)); + + GtkClipboard *clip_selection = gtk_widget_get_clipboard (GTK_WIDGET (window), GDK_SELECTION_CLIPBOARD); + GtkClipboard *clip_primary = gtk_widget_get_clipboard (GTK_WIDGET (window), GDK_SELECTION_PRIMARY); + + + window->print_settings = NULL; + window->undo_menuitem = get_action_assert (xml, "edit_undo"); + window->redo_menuitem = get_action_assert (xml, "edit_redo"); + + if (class->lan) + window->buffer = gtk_source_buffer_new_with_language (class->lan); + else + window->buffer = gtk_source_buffer_new (NULL); + + gtk_text_view_set_buffer (GTK_TEXT_VIEW (text_view), GTK_TEXT_BUFFER (window->buffer)); + + g_object_set (window->buffer, + "highlight-matching-brackets", TRUE, + NULL); + + g_object_set (text_view, + "show-line-numbers", TRUE, + "show-line-marks", TRUE, + "auto-indent", TRUE, + "indent-width", 4, + "highlight-current-line", TRUE, + NULL); + + window->cliptext = NULL; + window->dispose_has_run = FALSE; + + window->edit_delete = get_action_assert (xml, "edit_delete"); + window->edit_copy = get_action_assert (xml, "edit_copy"); + window->edit_cut = get_action_assert (xml, "edit_cut"); + window->edit_paste = get_action_assert (xml, "edit_paste"); + window->lexer = lex_create (the_source_stream); window->sb = get_widget_assert (xml, "statusbar2"); window->text_context = gtk_statusbar_get_context_id (GTK_STATUSBAR (window->sb), "Text Context"); - g_signal_connect (window->buffer, "changed", G_CALLBACK (on_text_changed), window); + g_signal_connect (window->buffer, "changed", + G_CALLBACK (on_text_changed), window); - g_signal_connect (window->buffer, "modified-changed", + g_signal_connect (window->buffer, "modified-changed", G_CALLBACK (on_modified_changed), window); + g_signal_connect_swapped (get_action_assert (xml, "file_print"), "activate", + G_CALLBACK (psppire_syntax_window_print), window); + + + g_signal_connect_swapped (window->undo_menuitem, + "activate", + G_CALLBACK (undo_last_edit), + window); + + g_signal_connect_swapped (window->redo_menuitem, + "activate", + G_CALLBACK (redo_last_edit), + window); + + undo_redo_update (window); + + window->sel_handler = g_signal_connect_swapped (clip_primary, "owner-change", + G_CALLBACK (selection_changed), window); + + window->ps_handler = g_signal_connect (clip_selection, "owner-change", + G_CALLBACK (set_paste_sensitivity), window); + connect_help (xml); gtk_container_add (GTK_CONTAINER (window), box); @@ -418,17 +736,13 @@ psppire_syntax_window_init (PsppireSyntaxWindow *window) g_object_ref (window->sb); - gtk_box_pack_start (GTK_BOX (box), menubar, FALSE, TRUE, 0); gtk_box_pack_start (GTK_BOX (box), sw, TRUE, TRUE, 0); gtk_box_pack_start (GTK_BOX (box), window->sb, FALSE, TRUE, 0); gtk_widget_show_all (box); - g_signal_connect (get_action_assert (xml,"file_new_syntax"), - "activate", - G_CALLBACK (create_syntax_window), - NULL); + g_signal_connect_swapped (get_action_assert (xml,"file_new_syntax"), "activate", G_CALLBACK (create_syntax_window), NULL); #if 0 g_signal_connect (get_action_assert (xml,"file_new_data"), @@ -452,12 +766,31 @@ psppire_syntax_window_init (PsppireSyntaxWindow *window) G_CALLBACK (on_quit), window); + g_signal_connect_swapped (window->edit_delete, + "activate", + G_CALLBACK (on_edit_delete), + window); + + g_signal_connect_swapped (window->edit_copy, + "activate", + G_CALLBACK (on_edit_copy), + window); + + g_signal_connect_swapped (window->edit_cut, + "activate", + G_CALLBACK (on_edit_cut), + window); + + g_signal_connect_swapped (window->edit_paste, + "activate", + G_CALLBACK (on_edit_paste), + window); + g_signal_connect (get_action_assert (xml,"run_all"), "activate", G_CALLBACK (on_run_all), window); - g_signal_connect (get_action_assert (xml,"run_selection"), "activate", G_CALLBACK (on_run_selection), @@ -478,6 +811,9 @@ psppire_syntax_window_init (PsppireSyntaxWindow *window) G_CALLBACK (psppire_window_minimise_all), NULL); + + + { GtkUIManager *uim = GTK_UI_MANAGER (get_object_assert (xml, "uimanager1", GTK_TYPE_UI_MANAGER)); @@ -491,11 +827,15 @@ psppire_syntax_window_init (PsppireSyntaxWindow *window) } + + + GtkWidget* psppire_syntax_window_new (void) { return GTK_WIDGET (g_object_new (psppire_syntax_window_get_type (), - "filename", "Syntax", + /* TRANSLATORS: This will form a filename. Please avoid whitespace. */ + "filename", _("Syntax"), "description", _("Syntax Editor"), NULL)); } @@ -510,7 +850,7 @@ error_dialog (GtkWindow *w, const gchar *filename, GError *err) GTK_DIALOG_DESTROY_WITH_PARENT, GTK_MESSAGE_ERROR, GTK_BUTTONS_CLOSE, - _("Cannot load syntax file '%s'"), + _("Cannot load syntax file `%s'"), fn); g_free (fn); @@ -538,7 +878,7 @@ syntax_load (PsppireWindow *window, const gchar *filename) gsize len_utf8 = -1; GtkTextIter iter; PsppireSyntaxWindow *sw = PSPPIRE_SYNTAX_WINDOW (window); - + GtkTextBuffer *buffer = GTK_TEXT_BUFFER (sw->buffer); /* FIXME: What if it's a very big file ? */ if ( ! g_file_get_contents (filename, &text_locale, &len_locale, &err) ) { @@ -558,11 +898,11 @@ syntax_load (PsppireWindow *window, const gchar *filename) return FALSE; } - gtk_text_buffer_get_iter_at_line (sw->buffer, &iter, 0); + gtk_text_buffer_get_iter_at_line (buffer, &iter, 0); - gtk_text_buffer_insert (sw->buffer, &iter, text_utf8, len_utf8); + gtk_text_buffer_insert (buffer, &iter, text_utf8, len_utf8); - gtk_text_buffer_set_modified (sw->buffer, FALSE); + gtk_text_buffer_set_modified (buffer, FALSE); free (text_utf8); @@ -577,3 +917,114 @@ psppire_syntax_window_iface_init (PsppireWindowIface *iface) iface->save = syntax_save; iface->load = syntax_load; } + + + + +static void +undo_redo_update (PsppireSyntaxWindow *window) +{ + gtk_action_set_sensitive (window->undo_menuitem, + gtk_source_buffer_can_undo (window->buffer)); + + gtk_action_set_sensitive (window->redo_menuitem, + gtk_source_buffer_can_redo (window->buffer)); +} + +static void +undo_last_edit (PsppireSyntaxWindow *window) +{ + gtk_source_buffer_undo (window->buffer); + undo_redo_update (window); +} + +static void +redo_last_edit (PsppireSyntaxWindow *window) +{ + gtk_source_buffer_redo (window->buffer); + undo_redo_update (window); +} + + + +/* Printing related stuff */ + + +static void +begin_print (GtkPrintOperation *operation, + GtkPrintContext *context, + PsppireSyntaxWindow *window) +{ + window->compositor = + gtk_source_print_compositor_new (window->buffer); +} + + +static void +end_print (GtkPrintOperation *operation, + GtkPrintContext *context, + PsppireSyntaxWindow *window) +{ + g_object_unref (window->compositor); + window->compositor = NULL; +} + + + +static gboolean +paginate (GtkPrintOperation *operation, + GtkPrintContext *context, + PsppireSyntaxWindow *window) +{ + if (gtk_source_print_compositor_paginate (window->compositor, context)) + { + gint n_pages = gtk_source_print_compositor_get_n_pages (window->compositor); + gtk_print_operation_set_n_pages (operation, n_pages); + + return TRUE; + } + + return FALSE; +} + +static void +draw_page (GtkPrintOperation *operation, + GtkPrintContext *context, + gint page_nr, + PsppireSyntaxWindow *window) +{ + gtk_source_print_compositor_draw_page (window->compositor, + context, + page_nr); +} + + + +static void +psppire_syntax_window_print (PsppireSyntaxWindow *window) +{ + GtkPrintOperationResult res; + + GtkPrintOperation *print = gtk_print_operation_new (); + + if (window->print_settings != NULL) + gtk_print_operation_set_print_settings (print, window->print_settings); + + + g_signal_connect (print, "begin_print", G_CALLBACK (begin_print), window); + g_signal_connect (print, "end_print", G_CALLBACK (end_print), window); + g_signal_connect (print, "draw_page", G_CALLBACK (draw_page), window); + g_signal_connect (print, "paginate", G_CALLBACK (paginate), window); + + res = gtk_print_operation_run (print, GTK_PRINT_OPERATION_ACTION_PRINT_DIALOG, + GTK_WINDOW (window), NULL); + + if (res == GTK_PRINT_OPERATION_RESULT_APPLY) + { + if (window->print_settings != NULL) + g_object_unref (window->print_settings); + window->print_settings = g_object_ref (gtk_print_operation_get_print_settings (print)); + } + + g_object_unref (print); +}