Display apparatus that displays menu item indicating name of group including item to be set displayed at uppermost position of scrollable display region, in different display style from other menu items, and image forming apparatus

A display apparatus comprising:

• a touch panel;
• a display device;
• and
• a control device including a processor, and configured to act as a display controller that controls a displaying operation of the display device, when the processor executes a control program,
• wherein the display controller causes the display device to:
• display an operation screen including a scrollable display region for displaying a list of setting items, in which the setting items are classified into groups and listed along a scroll direction, and a menu display region for displaying menu items each indicating a name of a group with respect to each of the groups;
• display a first menu item indicating a name of a first group that includes a first setting item displayed at an uppermost position of the scrollable display region, in a first display style visually different from other menu items;
• scroll, when the touch panel receives a scroll instruction made on the scrollable display region, the list of setting items according to the scroll instruction;
• switch, when changing the setting item displayed at the uppermost position from the first setting item to a second setting item by scrolling of the list of setting items based on the scroll instruction and when the group corresponding to the setting item displayed at the uppermost position is shifted from the first group to a second group that includes the second setting item, the menu item to be displayed in the first display style from the first menu item to a second menu item indicating a name of the second group;
• and
• maintain, even when changing the setting item displayed at the uppermost position from the first setting item to the second setting item by scrolling of the list of setting items based on the scroll instruction, when the group corresponding to the setting item displayed at the uppermost position is not shifted from the first group to the second group, the menu item to be displayed in the first display style in the first menu item,
• wherein the display controller displays group range bars each extending along the scrolling direction and having a length corresponding to a length of a range of a corresponding group, in the scrollable display region side by side along the list of setting items, with respect to each of the groups, and
• displays a first group range bar over a range corresponding to the setting items included in the first group, the name of which is indicated by the first menu item displayed in the first display style, in a second display style visually different from the group range bar displayed at a different position,
• wherein the display controller further displays the first menu item in a first color as a predetermined eye-catching color, and displays the other menu items in a second color weaker than the first color,
• wherein the display controller:
• causes the display device to display a partially hidden setting item at the uppermost position and to display a entirely displayed setting item under the partially hidden setting item;
• and
• decides the entirely displayed setting item as the setting item displayed at the uppermost position.