Display device that allows user to easily move icon and freely change order of icon, image forming apparatus having display device, and control method for display device

A display device comprising:

• a display unit;
• and
• a controller configured to:
• cause the display unit to display a screen including a plurality of tabs, wherein each tab includes a tab label area and a tab pane which accommodates one or more icons;
• receive a first user instruction for selecting an icon which is to be moved;
• cause, based on the first user instruction, the display unit to display, in a first manner, a tab label area of a first tab which has a space for accommodating the selected icon and to display, in a second manner which is visually distinctive from the first manner, a tab label area of a second tab which has no space for accommodating the selected icon, wherein the first tab and the second tab are included in the plurality of tabs and do not accommodate the icon selected by the first user instruction;
• and
• receive a second user instruction for designating one of the plurality of tabs as a destination of the selected icon, wherein the first tab is able to be selected by the second user instruction and the second tab is not able to be selected by the second user instruction.

A control method for a display device,

• the control method comprising:
• causing the display unit to display a screen including a plurality of tabs, wherein each tab includes a tab label area and a tab pane which is capable of accommodating a predetermined number of icons;
• receiving a first user instruction for selecting an icon which is to be moved;
• causing, based on the first user instruction, the display unit to display, in a first manner, a tab label area of a first tab in which a number of icons accommodated is less than the predetermined number and to display, in a second manner which is visually distinctive from the first manner, a tab label area of a second tab in which a number of icons accommodated is at least the predetermined number, wherein the first tab and the second tab are included in the displayed plurality of tabs;
• and
• receiving a second user instruction for designating one of the plurality of tabs as a destination of the selected icon, wherein the first tab is able to be selected by the second user instruction and the second tab is not able to be selected by the second user instruction.