JPS63301320A - Display processor - Google Patents

Abstract

PURPOSE:To quickly and accurately position a cursor by using a jumping means to jump mouse cursor to its shift starting point based on the key input and then moving the mouse cursor from said start point based on the mouse input. CONSTITUTION:A control circuit 242 of a mouse input device 24 arranges the shift information on the device 24 as well as on a switch 241 in a series of forms and produces the mouse information B by a request A. A mouse data processing part 31 gives a request A to the device 24 according to an instruction given from a key input device 23 and calculates the shift value and the absolute position of the deice 24 to store them in a mouse position information memory 33. At the same time, the part 31 selects one of those start position information set at a mouse cursor start point setting part 35 and rewrites the mouse position information on the memory 33. The set start point is positioned at the center of a split screen area of a display device 22. A cursor display control part 32 calculates a display address from the mouse position information given from the memory 33 to store it into a cursor position data memory 34 to display a mouse cursor on the address of the device 22. In such a constitution, the cursor can be positioned quickly and accurately.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a display control device, and particularly to display control of a mouse cursor that moves according to input from a mouse input device.

[Conventional technology]

The amount of movement of the mouse cursor, which moves according to input from a mouse input device used in personal computers, word processors, etc., is set at a ratio of, for example, 2 to 1, relative to the amount of movement of the mouse input device. We make it easy.

On the other hand, in order to accurately position the mouse cursor on the display screen, it is advantageous that the ratio of the amount of movement of the mouse cursor to the amount of movement of the mouse input device is smaller. but,
If you reduce the ratio of the amount of movement of the mouse cursor to the amount of movement of the mouse input device, you will have to move the mouse input device over a wide range when moving the mouse cursor, so move the mouse input device and mouse cursor! A device has been proposed that has a variable ratio to allow easy movement and accurate positioning.

This type of mouse input device and mouse cursor movement control device are described in Japanese Patent Laid-Open No. 51-8373 and Japanese Patent Laid-Open No. 60-14317.

[Problem to be Solved by the Invention 3] The conventional display processing device described above controls the movement of the mouse cursor by increasing the ratio of the amount of movement of the mouse cursor to the amount of movement of the mouse input device. If you make the movement operation easier, the positioning accuracy will decrease, and if you improve the positioning accuracy of the mouse cursor by reducing the ratio of the amount of movement of the mouse cursor to the amount of movement of the mouse input device, it will be easier to move the mouse input device. This requires a large mouse operation area, and if the ratio of the amount of movement between the two is made variable, switching operations are troublesome.

Therefore, an object of the present invention is to enable a mouse cursor to be quickly and accurately positioned at a target position with a simple operation.

[Means for solving problems]

In order to achieve this object, the present invention provides a mouse cursor starting point setting means for setting a plurality of mouse cursor movement starting points on the screen of a display device, and a mouse cursor starting point setting means for setting the mouse cursor starting point in accordance with input from a key input device. The present invention is characterized in that a mouse cursor jumping means is provided for jumping the mouse cursor to one of the movement starting point positions set in the means.

[Effect]

The mouse cursor jumping means selects one mouse cursor movement start position according to the input from the key input device, jumps the mouse cursor to the selected position, and enables the mouse cursor movement operation from the selected position according to the input from the mouse input device. do.

〔Example〕

Hereinafter, one embodiment of the present invention will be described with reference to the drawings.

Figure 2 is a perspective view of the Japanese word processor.
22 is a display device, 23 is a key input device, 24 is a mouse input device, and 25 is a flexible disk device.

A created document, a menu, and a mouse cursor are displayed on the display screen of the display device 22.

The mouse cursor is used to indicate possible input positions or to designate a menu area, and moves according to the stroke of a scroll key or numeric keypad provided on the key input device 23 or the amount of movement of the mouse input device 24.

The mouse input device 24 is provided with a switch 241, which is used to set or delete a target area specified by the mouse cursor.

FIG. 1 is a block diagram of a mouse cursor display processing system. The mouse input device 24 includes a switch 241 and a control circuit 24.
2. This control circuit 242 provides movement information about the movement of the mouse input device 24 and whether the switch 241 is turned on or off.
The off information is arranged in a series of data formats, and upon receiving the data request signal A, this data is output as the mouse data signal B.

The mouse data processing section 31 sends a data request signal A to the mouse input device 24 in accordance with the instruction input from the key input device 23, and based on the mouse movement information of the mouse data signal B received from the mouse input bag 224. to calculate the movement amount and absolute position of the mouse input device 24, and store this as mouse position data in the mouse position data memory 3.
1 of a plurality of mouse cursor movement start point position data stored in 3 and set in the mouse cursor start point setting section 35.
Select one and rewrite the mouse position data in the mouse position data memory 33. Mouse cursor starting point setting section 3
The mouse cursor movement starting point position set as No. 5 is a position corresponding to the center of each area where the display screen of the display device 22 is divided into a plurality of areas. The cursor display control unit 32 calculates a display address on the display screen based on the mouse position data obtained from the mouse position data memory 33, stores the result in the mouse cursor position data memory 34, and displays this on the display device 22. Display the mouse cursor at the address.

Note that the - part of these mouse cursor display processing systems is CP.
It is composed of logic operation elements such as U.

Figure 3 shows data request signal A and mouse data signal B.
This is a time chart. The data request signal A is a pulse signal sent out at a constant period T. Mouse data signal B is 3-byte serial data sent in synchronization with the rising edge of data request signal A.

This mouse data signal B indicates the amount of movement of the mouse input device 24 and the on/off state of the switch 241 between the two pulse signals before the data request signal A, and X in the first byte indicates the amount of movement. The X-direction component, Y in the second byte represents the y-direction component, and S- in the third byte represents on/off of the switch 241 as 1.0.

FIG. 4 shows the relationship between the movement position of the mouse input device 24 and the display position of the mouse cursor 36. There is a mouse input device at the position indicated by the reference numeral 24, and at the position indicated by the reference numeral 36.
When the mouse cursor is displayed at the position indicated by , when the mouse input device is moved to the position indicated by reference numeral 24a, this movement information is transmitted to the mouse data processing section 31 by the data request signal A and mouse data signal B.
The mouse cursor is moved and displayed at the position indicated by reference numeral 36a. Further, when the mouse input device moves to the position indicated by reference numeral 24b, the mouse cursor moves to the position indicated by reference numeral 3.
Move to the position indicated by 6b.

By the way, the number of display dots on the display screen of the display device 22 is 1024 dots in the X (horizontal) direction and 760 dots in the Y (vertical) direction, the mouse cursor movement resolution is 1 dot, and the resolution of the mouse input device 24 is 4 dots. Dot/fi, in order to move the mouse cursor 36 from one end of the display screen to the other, move the mouse input device 24 to
It is necessary to move 256 w in the direction and 190 m in the Y direction.

The above-described embodiment of the present invention simplifies such a mouse cursor movement operation, and its control processing will be explained with reference to FIGS. 5 and 6.

FIG. 5 shows a display screen 22a of the display device 22, and this display screen 22a is divided into a document editing area 22b and a microcomputer display area 22c. Furthermore, in this embodiment, when the entire display screen 22a is divided into four areas A to D as shown by broken lines, mouse cursor movement starting point positions 22d to 22g are set at the center of each area, and each position data is This is set in the mouse cursor start point setting section 35 as mouse cursor movement start point position data.

FIG. 6 is a flowchart of the mouse cursor display process in a state where such mouse cursor movement start point position data is set in the mouse cursor start point setting section 35.

Processing of information input by moving the mouse input device 24 is performed by moving from processing block 601 to processing block 602, where the movement information of the mouse input device 24 is input manually, and in processing block 603, the amount of movement and absolute position are calculated, and the mouse input device 24 is processed. The mouse position data is stored in the mouse position data memory 33 as position data, and a processing block 604 executes mouse cursor display based on this mouse position data.

However, when one of the mouse cursor movement start point position data set in the mouse cursor start point setting section 35 is selected using the numeric keypad or the like of the key input device 23, the process moves from the processing block 601 to the processing block 605 and the mouse position data memory is The mouse position data of 33 is rewritten with the selected mouse cursor movement start point position data, and in processing block 606, the mouse cursor 36 is jumped and displayed at this mouse cursor movement start position.

Therefore, if you want to move the mouse cursor 36 by a large distance, first input from the key input device 23 to make the mouse cursor 36 jump to the mouse cursor movement start position close to the target position, and then use the mouse input device 24 to move the mouse cursor 36 to the target position. By moving the mouse cursor 36, the mouse cursor 36 can be quickly moved to the target position, and positioning accuracy can be improved by keeping the ratio of the amount of movement of the mouse cursor 36 to the amount of movement of the mouse input device 24 small. do.

〔Effect of the invention〕

As described above, the present invention allows the mouse cursor to jump to one of a plurality of mouse cursor movement start positions on the screen by input from the key input device, and then to be moved to the target position by the mouse input device. By keeping the ratio of the amount of movement of the mouse cursor to the amount of movement of the mouse input device small, it is possible to quickly and accurately position the mouse cursor with a simple operation.

[Brief explanation of the drawing]

The drawings show a Japanese word processor according to the present invention, and FIG. 1 is a block diagram of a mouse cursor display processing system;
FIG. 2 is an external perspective view of a Japanese word processor, FIG. 3 is a time chart of data request signals and mouse data signals, and FIG. 4 is an explanatory diagram showing the relationship between the moving position of the mouse input device and the display position of the mouse cursor. FIG. 5 is an explanatory diagram showing the display screen of the display device, and FIG. 6 is a flowchart of mouse cursor display processing. 22...--Display device, 22a...--
1 display screen, 22d to 22g --- Mouse cursor movement starting point position, 23. --- Key input device, 24
----------- Mouse input device, 31---------
・Mouse data processing section, 32-------1.Cursor display control section, 33..--Mouse position data memory, 34------1.-Cursor position data memory,
35--Mouse cursor starting point setting section, 36----
--- Mouse cursor. Figure 1 Figure 2 Figure 3 Figure t4 Figure 5 Figure 6

Claims (1)

[Claims] 1. A key input device, a mouse input device, a display device,
A display processing device comprising: a control device that causes the display device to display a mouse cursor according to key input information from the key input device and input from the mouse input device;
The control device includes a mouse cursor start point setting means for setting a plurality of mouse cursor movement start points on the screen of the display device, and a mouse cursor start point setting means for setting the mouse cursor to the mouse cursor start point setting means in accordance with an input from the key input device. A display processing device comprising a mouse cursor jump means for jumping to one of the set movement start positions. 2. The display control device according to claim 1, wherein the mouse cursor starting point setting means divides the display screen into a plurality of areas and sets the movement starting point position at the center of each area.