MODULE test_print ;

(*
   m2-GTK4 test - printing objects: GtkPageSetup, GtkPrintSettings and
   GtkPrintOperation property round-trips (the print dialog is not
   shown).  Requires a display (GTK initialised).
*)

FROM Gio IMPORT g_application_run, g_application_quit;
FROM GtkApplication IMPORT gtk_application_new;
FROM GtkPageSetup IMPORT gtk_page_setup_new, gtk_page_setup_set_orientation,
   gtk_page_setup_get_orientation, gtk_page_setup_get_page_width,
   GtkPageLandscape, GtkUnitPoints;
FROM GtkPrintSettings IMPORT gtk_print_settings_new, gtk_print_settings_set,
   gtk_print_settings_get, gtk_print_settings_set_printer;
FROM GtkPrintOperation IMPORT gtk_print_operation_new,
   gtk_print_operation_set_n_pages,
   gtk_print_operation_set_default_page_setup,
   gtk_print_operation_get_default_page_setup,
   gtk_print_operation_set_print_settings,
   gtk_print_operation_get_print_settings;
FROM GObject IMPORT g_object_unref;
FROM GtkUtils IMPORT Connect, CStrToM2;
FROM SYSTEM IMPORT ADDRESS, ADR;
FROM libc IMPORT printf;

CONST
   AppId = "org.example.m2gtk4.TestPrint";

VAR
   app: ADDRESS;
   passed: BOOLEAN;

PROCEDURE OnActivate (application: ADDRESS; data: ADDRESS);
VAR
   setup, settings, op: ADDRESS;
   buf: ARRAY [0..63] OF CHAR;
   width: REAL;
   ok: BOOLEAN;
BEGIN
   ok := TRUE;

   setup := gtk_page_setup_new();
   gtk_page_setup_set_orientation(setup, GtkPageLandscape);
   IF gtk_page_setup_get_orientation(setup) # GtkPageLandscape THEN
      printf("orientation wrong\n"); ok := FALSE
   END;
   width := gtk_page_setup_get_page_width(setup, GtkUnitPoints);
   IF width <= 0.0 THEN printf("page width wrong\n"); ok := FALSE END;

   settings := gtk_print_settings_new();
   gtk_print_settings_set(settings, "test-key", "test-value");
   CStrToM2(gtk_print_settings_get(settings, "test-key"), buf);
   IF (buf[0] # 't') OR (buf[10] # 0C) THEN
      printf("settings value wrong: [%s]\n", buf); ok := FALSE
   END;
   gtk_print_settings_set_printer(settings, "MyPrinter");

   op := gtk_print_operation_new();
   gtk_print_operation_set_n_pages(op, 3);
   gtk_print_operation_set_default_page_setup(op, setup);
   IF gtk_print_operation_get_default_page_setup(op) # setup THEN
      printf("page setup round-trip wrong\n"); ok := FALSE
   END;
   gtk_print_operation_set_print_settings(op, settings);
   IF gtk_print_operation_get_print_settings(op) # settings THEN
      printf("settings round-trip wrong\n"); ok := FALSE
   END;

   g_object_unref(op);

   passed := ok;
   g_application_quit(application)
END OnActivate;

VAR
   rc: INTEGER;
BEGIN
   passed := FALSE;
   app := gtk_application_new(AppId, 0);
   IF app = NIL THEN
      printf("test_print: FAIL (no app)\n");
      HALT(1)
   END;
   Connect(app, "activate", ADR(OnActivate), NIL);
   rc := g_application_run(app, 0, NIL);

   IF passed THEN
      printf("test_print: PASS\n");
      HALT(0)
   ELSE
      printf("test_print: FAIL\n");
      HALT(1)
   END
END test_print.