Display device, screen display method, and recording medium

A screen display method for a display device, the display device comprising:

• a display;
• a touch panel disposed on the display;
• and
• a memory that stores screen configuration information, the screen configuration information essentially including information of a base area of a fixed size and an extra area of an unfixed size, the base area for displaying a first screen therein, the extra area for displaying a second screen therein,
• the screen display method comprising the following steps of the display device:
• retrieving the screen configuration information from the memory;
• allocating the base area in the fixed size in an image displayable area of the display on the basis of a reference point of the screen of the display with reference to the retrieved screen configuration information and displaying the first screen in the allocated base area, and further allocating the extra area in an area other than the base area and displaying the second screen in the allocated extra area when the size of the image displayable area of the display is larger than the size of the base area;
• and
• judging whether or not a user expands the extra area displaying the second screen therein to stretch the extra area toward the base area on the touch panel, by performing a first operation or a second operation, the first operation consisting of touching a point in the extra area and sliding the touch point toward the base area, the second operation consisting of touching a point in the base area and sliding the touch point away from the extra area,
• wherein, if it is judged that a user performs the first operation, the extra area expands by the extra area stretching toward the base area and the second screen being displayed in the expanded extra area, and the first screen displayed in the base area remains motionless, until the extra area reaches a predetermined key in the first screen, and the extra area expands and the first screen slides away from the extra area after the extra area reaches the predetermined key, and
• wherein, if it is judged that a user performs the second operation, the extra area expands by the extra area stretching toward the base area and the second screen being displayed in the expanded extra area, and the first screen slides away from the extra area.

A non-transitory computer-readable recording medium storing a screen display program to be run by a computer of a display device, the display device comprising a display and a touch panel disposed on the display, the screen display program including screen configuration information, the screen configuration information essentially including information of a base area of a fixed size and an extra area of an unfixed size, the base area for displaying a first screen therein, the extra area for displaying a second screen therein, the screen display program making the computer to execute:

• retrieving the screen configuration information from the memory;
• allocating the base area in the fixed size in an image displayable area of the display on the basis of a reference point of the screen of the display with reference to the retrieved screen configuration information and displaying the first screen in the allocated base area, and further allocating the extra area in an area other than the base area and displaying the second screen in the allocated extra area when the size of the image displayable area of the display is larger than the size of the base area;
• and
• judging whether or not a user expands the extra area displaying the second screen therein to stretch the extra area toward the base area on the touch panel, by performing a first operation or a second operation, the first operation consisting of touching a point in the extra area and sliding the touch point toward the base area, the second operation consisting of touching a point in the base area and sliding the touch point away from the extra area,
• wherein, if it is judged that a user performs the first operation, the extra area expands Ly the extra area stretching toward the base area and the second screen being displayed in the expanded extra area, and the first screen displayed in the base area remains motionless, until the extra area reaches a predetermined key in the first screen, and the extra area expands and the first screen slides away from the extra area after the extra area reaches the predetermined key, and
• wherein, if it is judged that a user performs the second operation, the extra area expands by the extra area stretching toward the base area and the second screen being displayed in the expanded extra area, and the first screen slides away from the extra area.