Abstract: Methods, computer program products, computing and printing systems for improved screen display and touch input, where an operation/display unit comprises a screen display unit such as a LCD; a touch location detection unit, which is a touch panel that accepts a user's touch operation; a touch decision unit that determines the touch location of the user's touch operation to the touch panel; and a touch execution unit that executes functions according to the user's touch location. If the user's touch location is within the effective area(s) of the operation button(s), then the touch execution unit executes the function allocated to the operation button(s). If the touch location is outside of the effective area(s) of the operation button(s), then the region outside of the operation button(s) is displayed as grayed-out.

Abstract: A display control device controls a display of a cursor and a window on a display screen of the device. The control device includes an instruction receiving section that receives instructions from a pointing device and a position sensor that detects a change to move the cursor. A dragging operation determining section determines based on instructions received by the instruction receiving section whether a dragging operation is performed. A cursor position determining section determines a position of the cursor on the screen based on instructions received by the instruction receiving section. A display controller allows the display device to display a scrolling instruction receiving area which receives from the user an instruction of scrolling a display content of the window when a dragging operation is performed. The display controller allows scrolling of display content of the window when the cursor is within the scrolling instruction receiving area.

Abstract: Methods, computer program products, computing and printing systems for improved screen display and touch input, where an operation/display unit comprises a screen display unit such as a LCD; a touch location detection unit, which is a touch panel that accepts a user's touch operation; a touch decision unit that determines the touch location of the user's touch operation to the touch panel; and a touch execution unit that executes functions according to the user's touch location. If the user's touch location is within the effective area(s) of the operation button(s), then the touch execution unit executes the function allocated to the operation button(s). If the touch location is outside of the effective area(s) of the operation button(s), then the region outside of the operation button(s) is displayed as grayed-out.