MODULE test_adw_widgets ;

(*
   m2-GTK4 test - the newly bound libadwaita (GNOME) widgets: view
   stack/switchers, navigation view, adaptive containers, rows, avatar
   and friends.  Requires a display.
*)

FROM GtkApplication IMPORT gtk_application_new;
FROM Gio IMPORT g_application_run, g_application_quit;
FROM GtkWindow IMPORT gtk_window_set_title, gtk_window_set_default_size,
   gtk_window_present;
FROM GtkBox IMPORT gtk_box_new, gtk_box_append;
FROM GtkEnums IMPORT GtkVertical;
FROM GtkLabel IMPORT gtk_label_new;
FROM GtkUtils IMPORT Connect;
FROM AdwWindow IMPORT adw_window_new, adw_window_set_content;
FROM AdwViewStack IMPORT adw_view_stack_new, adw_view_stack_add_titled,
   adw_view_stack_add_titled_with_icon, adw_view_stack_set_visible_child_name,
   adw_view_stack_get_visible_child_name;
FROM AdwViewSwitcher IMPORT adw_view_switcher_new,
   adw_view_switcher_set_stack, adw_view_switcher_get_policy;
FROM AdwViewSwitcherBar IMPORT adw_view_switcher_bar_new,
   adw_view_switcher_bar_set_stack, adw_view_switcher_bar_set_reveal;
FROM AdwViewSwitcherTitle IMPORT adw_view_switcher_title_new,
   adw_view_switcher_title_set_title, adw_view_switcher_title_set_subtitle,
   adw_view_switcher_title_set_stack;
FROM AdwInlineViewSwitcher IMPORT adw_inline_view_switcher_new,
   adw_inline_view_switcher_set_stack,
   adw_inline_view_switcher_set_display_mode;
FROM AdwEnums IMPORT AdwInlineViewSwitcherLabels;
FROM AdwNavigationView IMPORT adw_navigation_view_new,
   adw_navigation_view_push, adw_navigation_view_get_visible_page,
   adw_navigation_view_pop;
FROM AdwNavigationPage IMPORT adw_navigation_page_new;
FROM AdwWindowTitle IMPORT adw_window_title_new;
FROM AdwBin IMPORT adw_bin_new, adw_bin_set_child;
FROM AdwSpinner IMPORT adw_spinner_new;
FROM AdwSpinnerPaintable IMPORT adw_spinner_paintable_new;
FROM AdwAvatar IMPORT adw_avatar_new;
FROM AdwButtonContent IMPORT adw_button_content_new,
   adw_button_content_set_label, adw_button_content_set_icon_name;
FROM AdwSplitButton IMPORT adw_split_button_new, adw_split_button_set_label;
FROM AdwButtonRow IMPORT adw_button_row_new,
   adw_button_row_set_start_icon_name, adw_button_row_set_end_icon_name;
FROM AdwSpinRow IMPORT adw_spin_row_new_with_range;
FROM AdwPasswordEntryRow IMPORT adw_password_entry_row_new;
FROM AdwClampScrollable IMPORT adw_clamp_scrollable_new,
   adw_clamp_scrollable_set_maximum_size;
FROM AdwClampLayout IMPORT adw_clamp_layout_new;
FROM AdwSqueezer IMPORT adw_squeezer_new, adw_squeezer_add;
FROM AdwWrapBox IMPORT adw_wrap_box_new, adw_wrap_box_append;
FROM AdwWrapLayout IMPORT adw_wrap_layout_new;
FROM SYSTEM IMPORT ADDRESS, ADR;
FROM libc IMPORT printf;

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

VAR
   app: ADDRESS;
   passed: BOOLEAN;
   failures: INTEGER;

PROCEDURE Check (cond: BOOLEAN; what: ARRAY OF CHAR);
BEGIN
   IF cond THEN
      printf("  ok - %s\n", what)
   ELSE
      printf("  NOT OK - %s\n", what);
      INC(failures)
   END
END Check;

PROCEDURE OnActivate (application: ADDRESS; data: ADDRESS);
VAR
   window, box, stack, p1, p2, switcher, bar, title, inl, nav, np1, np2: ADDRESS;
   clamp, cliplayout, wrap, wraplayout, squeeze, avatar: ADDRESS;
   content, split, brow, spin, pw, bin, spinner, sp, wt: ADDRESS;
   visible: ADDRESS;
BEGIN
   failures := 0;

   (* AdwViewStack + pages + switchers *)
   stack := adw_view_stack_new();
   p1 := adw_view_stack_add_titled (stack, gtk_label_new("One"),
                                    "one", "Page One");
   p2 := adw_view_stack_add_titled_with_icon (stack, gtk_label_new("Two"),
                                              "two", "Page Two",
                                              "go-home-symbolic");
   Check((stack # NIL) AND (p1 # NIL) AND (p2 # NIL), "AdwViewStack pages");

   adw_view_stack_set_visible_child_name (stack, "two");
   visible := adw_view_stack_get_visible_child_name (stack);
   Check(visible # NIL, "AdwViewStack visible page name");

   switcher := adw_view_switcher_new();
   adw_view_switcher_set_stack (switcher, stack);
   Check(adw_view_switcher_get_policy (switcher) = 0, "AdwViewSwitcher policy");

   bar := adw_view_switcher_bar_new();
   adw_view_switcher_bar_set_stack (bar, stack);
   adw_view_switcher_bar_set_reveal (bar, 1);
   Check(bar # NIL, "AdwViewSwitcherBar");

   title := adw_view_switcher_title_new();
   adw_view_switcher_title_set_title (title, "Demo");
   adw_view_switcher_title_set_subtitle (title, "GNOME widgets");
   adw_view_switcher_title_set_stack (title, stack);
   Check(title # NIL, "AdwViewSwitcherTitle");

   inl := adw_inline_view_switcher_new();
   adw_inline_view_switcher_set_stack (inl, stack);
   adw_inline_view_switcher_set_display_mode (inl, AdwInlineViewSwitcherLabels);
   Check(inl # NIL, "AdwInlineViewSwitcher");

   (* AdwNavigationView *)
   nav := adw_navigation_view_new();
   np1 := adw_navigation_page_new (gtk_label_new("Root"), "Root");
   adw_navigation_view_push (nav, np1);
   np2 := adw_navigation_page_new (gtk_label_new("Child"), "Child");
   adw_navigation_view_push (nav, np2);
   Check(adw_navigation_view_get_visible_page (nav) = np2,
         "AdwNavigationView push");
   Check(adw_navigation_view_pop (nav) # 0, "AdwNavigationView pop");
   Check(adw_navigation_view_get_visible_page (nav) = np1,
         "AdwNavigationView visible after pop");

   (* adaptive containers *)
   clamp := adw_clamp_scrollable_new();
   adw_clamp_scrollable_set_maximum_size (clamp, 400);
   Check(clamp # NIL, "AdwClampScrollable");

   cliplayout := adw_clamp_layout_new();
   Check(cliplayout # NIL, "AdwClampLayout");

   wrap := adw_wrap_box_new();
   adw_wrap_box_append (wrap, gtk_label_new("a"));
   adw_wrap_box_append (wrap, gtk_label_new("b"));
   Check(wrap # NIL, "AdwWrapBox");

   wraplayout := adw_wrap_layout_new();
   Check(wraplayout # NIL, "AdwWrapLayout");

   squeeze := adw_squeezer_new();
   visible := adw_squeezer_add (squeeze, gtk_label_new("wide"));
   visible := adw_squeezer_add (squeeze, gtk_label_new("narrow"));
   Check(squeeze # NIL, "AdwSqueezer");

   (* rows and misc *)
   avatar := adw_avatar_new (32, "Eric", 1);
   Check(avatar # NIL, "AdwAvatar");

   content := adw_button_content_new();
   adw_button_content_set_icon_name (content, "go-home-symbolic");
   adw_button_content_set_label (content, "Home");
   Check(content # NIL, "AdwButtonContent");

   split := adw_split_button_new();
   adw_split_button_set_label (split, "Split");
   Check(split # NIL, "AdwSplitButton");

   brow := adw_button_row_new();
   adw_button_row_set_start_icon_name (brow, "go-home-symbolic");
   adw_button_row_set_end_icon_name (brow, "go-next-symbolic");
   Check(brow # NIL, "AdwButtonRow");

   spin := adw_spin_row_new_with_range (0.0, 10.0, 1.0);
   Check(spin # NIL, "AdwSpinRow");

   pw := adw_password_entry_row_new();
   Check(pw # NIL, "AdwPasswordEntryRow");

   bin := adw_bin_new();
   adw_bin_set_child (bin, gtk_label_new("bin"));
   Check(bin # NIL, "AdwBin");

   spinner := adw_spinner_new();
   sp := adw_spinner_paintable_new (spinner);
   Check((spinner # NIL) AND (sp # NIL), "AdwSpinner / AdwSpinnerPaintable");

   wt := adw_window_title_new ("Title", "Subtitle");
   Check(wt # NIL, "AdwWindowTitle");

   (* put a few of them in the window *)
   box := gtk_box_new (GtkVertical, 12);
   gtk_box_append (box, gtk_label_new("libadwaita widgets"));
   gtk_box_append (box, avatar);
   gtk_box_append (box, split);
   gtk_box_append (box, spinner);

   window := adw_window_new();
   gtk_window_set_title (window, "Adw widgets");
   gtk_window_set_default_size (window, 360, 300);
   adw_window_set_content (window, box);
   gtk_window_present (window);

   passed := (failures = 0);
   g_application_quit (application)
END OnActivate;

VAR
   rc: INTEGER;
BEGIN
   passed := FALSE;
   failures := 0;
   app := gtk_application_new(AppId, 0);
   IF app = NIL THEN
      printf("test_adw_widgets: 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_adw_widgets: PASS\n");
      HALT(0)
   ELSE
      printf("test_adw_widgets: FAIL\n");
      HALT(1)
   END
END test_adw_widgets.