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[Dmytro <1830422@xxxxxxxxxxxxxxxxxx>]

I have checked test program in Linux Ubuntu 19.04. The result is the
same as for Linux Ubuntu 18.04.

** Attachment added: "Test program works in Linux Ubuntu 18.04"
   https://bugs.launchpad.net/ubuntu/+source/libappindicator/+bug/1830422/+attachment/5266960/+files/appind-menu.Ubuntu18.png

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https://bugs.launchpad.net/bugs/1830422

Title:
  Long Gtk menu into appindicator1 cannot be scrolled: arrow bars are
  absent

Status in libappindicator package in Ubuntu:
  Incomplete

Bug description:
  I am using appindicator-1.0 in conjunction with Gtk+2.0 menu. Menu
  consist of constant items and many dynamically added items. If the
  screen pixel resolution is not so good as it must be then the last
  menu items are not visible. Ubuntu 16.04 automatically add top and
  bottom bars with "^" and "v" arrows to scroll menu when mouse pointer
  is over these bars. But in Linux Ubuntu 18.04 (and 19.04 too) such
  scrolling bars are not appearing.

  On the other hand menu scrolling is working fine anywhere into usual
  GTK window with menu bar (without using appindicator). Ubuntu 16.04
  and Ubuntu 18.04 use the same 12.10.1 libappindicator version.

  Here is the test c program which illustrates the issue. It works fine
  in Linux Ubuntu 16.04 and has the described above problem in Linux
  18.04:

  #include <gtk/gtk.h>
  #include <libappindicator/app-indicator.h>

  #define LOGO_PNG "/home/super/my-project/menu-test/logo.png"

  AppIndicator* c_indicator;
  GtkWidget* c_menu;

  void menu_quit_cb(GtkMenuItem* menuitem, gpointer user_data)
  {
      gtk_main_quit();
  }

  int main(int argc, char *argv[])
  {
      gtk_init(&argc, &argv);

      int i;
      GtkWidget* item;
      char title[128];

      c_menu = gtk_menu_new();

      item = gtk_menu_item_new_with_label("Quit");
      g_signal_connect(item, "activate", G_CALLBACK(menu_quit_cb), NULL);
      gtk_menu_shell_append(GTK_MENU_SHELL(c_menu), item);
      gtk_widget_show(item);

      gtk_menu_shell_append(GTK_MENU_SHELL(c_menu),
  gtk_separator_menu_item_new());

      for (i = 1; i <= 100; ++i) {
          snprintf(title, sizeof(title), "Item #%03u", i);
          item = gtk_menu_item_new_with_label(title);
          gtk_menu_shell_append(GTK_MENU_SHELL(c_menu), item);
          gtk_widget_show(item);
      }

      //

      c_indicator = app_indicator_new("Menu Test", LOGO_PNG, APP_INDICATOR_CATEGORY_APPLICATION_STATUS);
      app_indicator_set_status(c_indicator, APP_INDICATOR_STATUS_ACTIVE);
      app_indicator_set_icon(c_indicator, LOGO_PNG);
      app_indicator_set_menu(c_indicator, GTK_MENU(c_menu));

      gtk_main();

      return 0;
  }

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: libappindicator1 12.10.1+18.04.20180322.1-0ubuntu1
  ProcVersionSignature: Ubuntu 4.15.0-50.54-generic 4.15.18
  Uname: Linux 4.15.0-50-generic x86_64
  ApportVersion: 2.20.9-0ubuntu7.6
  Architecture: amd64
  CurrentDesktop: ubuntu:GNOME
  Date: Fri May 24 21:15:59 2019
  InstallationDate: Installed on 2018-07-03 (325 days ago)
  InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426)
  SourcePackage: libappindicator
  UpgradeStatus: No upgrade log present (probably fresh install)

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