JPH06332425A - Cursor display device - Google Patents

Abstract

(57) [Summary] [Purpose] If a pointing device such as a mouse or touch screen fails, or if those functions are not equipped, those functions can be replaced by cursor keys. . [Structure] Window display means for displaying necessary information on a screen in a window, a cursor key, and movement of the window displayed by the window display means on the basis of a signal from the cursor key to select a specific function. A cursor display means for displaying a cursor indicating a target, a mouse, a mouse cursor display means for displaying a mouse cursor for designating a specific location by moving the screen based on a signal from the mouse, a mode switching key, The mouse cursor display means is provided with a selection key and is configured to move the mouse cursor based on a signal from the cursor key in response to simultaneous operation of the mode switching key and the cursor key.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cursor display device applied to a process monitor for displaying various information for process monitoring and control operation / operation on the screen of a display device. The present invention relates to a cursor display device provided with a pointing device such as a cursor key and a mouse, and by operating the pointing device, selection of a function for operating a plant, development of a screen, control of scrolling a window display, and the like can be performed.

[0002]

2. Description of the Related Art FIG. 5 is a structural conceptual diagram showing an example of a plant monitoring apparatus known as a distributed control system. In the figure, FCS is a control station that is in charge of process control, and is distributed and arranged corresponding to the process in the factory. It is standardized through various signal converters from various sensors and operating terminals in the process field. Also, for example, input analog data of 1 to 5 V is applied.
The OPS is an operator station as a man-machine interface unit or a plant monitoring unit, has a screen display device (display) such as a keyboard and a CRT, and is installed in an instrument room or the like.

The screen display device provided in the operator station OPS includes a control station FCS.
Various operation screens are displayed so that various process data sent from the device via the communication line can be monitored, various parameters can be set, and process control operation can be performed. Here, operation screens include overview screens, various graphic screens,
There are alarm screens that display information related to alarms, tuning screens that set various parameters, and screens that the user arbitrarily prepares.Each of these screens is based on instructions from the operator or at fixed intervals. It will be expanded to the required screen.

Conventionally, in a display device applied to such a plant monitoring device, while a certain screen is displayed, the data and information necessary for a part of the screen is called without switching the screen and the window is displayed. It is configured so that it can be displayed as.

[0005]

In such a conventional plant monitoring apparatus, a touch screen, a mouse, or cursor keys are prepared as a pointing device, and the cursor can be used in the effective area of the touch screen by the touch screen. Moreover, it was configured to be able to move / instruct by operating a cursor key or a mouse.

Therefore, when the function of the touch screen is broken, the same function can be replaced by operating the cursor keys. However, in an apparatus that monitors a plant, for example, operation / operation of the plant and selection of its function are more important than operations such as window display, scroll operation, and screen expansion. There is also a demand for distinguishing from other operations so that the operations can be performed reliably and accurately, for example, by operating a cursor key.

The present invention has been made in view of the above circumstances, and an object thereof is to move a cursor along a target for function selection displayed in a window by operating a cursor key. In addition to configuring, a mode switching key is provided, and by using the cursor key, it can be used as a substitute for a touch screen or mouse, and a flexible cursor display while maintaining the reliability of plant operation / operation. The object is to provide a cursor display device that can be operated.

[0008]

A cursor display device of the present invention which achieves such an object is a process monitoring device for displaying various information for performing process monitoring and control operation on a screen of the display device. A window display means for displaying necessary information on the screen in a window, a cursor key, and a specific function selection target which moves in the window displayed by the window display means based on a signal from the cursor key. Cursor display means for displaying a cursor for indicating, a mouse, a mouse cursor display means for displaying a mouse cursor for moving the screen based on a signal from the mouse and designating a specific portion, a mode switching key, and a selection And a key.

[0009]

When the mouse cursor display means operates the mode switching key and the cursor key at the same time, the mouse cursor is moved based on the signal from the cursor key, and the mode switching key and the selection key are operated simultaneously. When it is done, the function indicated by the mouse cursor is executed.

Thus, the mouse cursor, which operates only by operating the mouse or the touch screen, can also be operated by operating the cursor key.

[0011]

Embodiments of the present invention will be described in detail below with reference to the drawings. FIG. 1 is a functional block diagram showing an embodiment of the present invention. In the figure, 1 is a display means such as a CRT, and 2 is a CRT display screen. Reference numeral 3 denotes a keyboard, which includes various keys for inputting various data, a cursor key 31, a mode switching key 32, and a selection key 33 for selecting a function designated by the cursor. It is provided.

Reference numeral 4 is a mouse. A pointing device interface 5 receives signals from the keyboard 3 and the mouse 4. Although not shown here, a pointing device such as a touch screen may be provided. Reference numeral 6 denotes a window display means, which receives screen display information from a screen display program (application program) (not shown) without switching the screen already displayed on the display screen 2 and displays the window format at a predetermined location. To display the required information. The information displayed in this window includes a plurality of selection targets for function selection.

Reference numeral 7 is a cursor display means for displaying the cursor K1, which moves the cursor K1 within the window W1 displayed by the window display means 6 on the basis of a signal from the cursor key 31 and also serves as a function selection target. Specify a specific one. Reference numeral 8 denotes a mouse cursor display means which moves on the screen based on a signal from the mouse 4 and displays a mouse cursor MK for designating a specific portion.

Reference numeral 9 denotes a mode switching means, which receives a simultaneous operation of the mode switching key 32 and the cursor key 31 and operates the mouse cursor display means 8 to change the movement of the mouse cursor MK into a signal from the cursor key 31. It is configured to be based on. In addition, upon receiving the simultaneous operation of the mode switching key 32 and the selection key 33, the function designated by the mouse cursor MK is executed.

The operation of the thus constructed apparatus will be described below. FIG. 2 shows two windows W1 and W on the display screen.
It is a figure which shows an example of the graphic which displayed 2. Here, the window W1 is an active window, and various function selection targets TG required for performing plant operation / control are included in this window W1.
1, TG2, TG3, TG4 are provided. Then, the cursor K1 moves on the basis of the instruction from the cursor key 31 to select the function selection target TG1 → TG2 → TG3 → TG.
It moves sequentially like 4 → TG1 ...

When the selection key 33 is operated after the cursor K1 is moved to a desired function selection target (for example, after moving to the target TG1), the function assigned to the target is executed. On the other hand, when the cursor key 31 is operated while operating (pressing) the mode switching key 32, the mouse cursor MK displayed in the display screen moves a certain distance in the direction designated by the cursor key. Here, for example, the mouse cursor M
When K is moved to the close box WCB of the window modification section as shown by the broken line, and the selection key 33 is operated while operating the mode switching key 32, the window W1
Can be deleted from the display screen. In this way, the mouse cursor MK, which originally operates only by the signal from the mouse 4, can also be operated by the cursor key 31 by simultaneously operating the mode switching keys 32.

FIG. 3 is a flowchart showing the operation when the cursor key 31 is operated. Cursor key 31
Is operated, it is determined whether the mode switching key 32 is turned on. If it is in the off state, that is, the mode switching key 32 is not operated, the cursor key K1 displayed in the window W1 is moved. In accordance with the operation of 31, the function selection target is moved.

On the other hand, when the mode switching key 32 is on, that is, when the mode switching key 32 is operated, the mouse cursor MK is moved by a certain distance according to the operation of the cursor key 31. FIG. 4 is a flowchart showing the operation when the selection key 33 is operated. When the selection key 33 is operated, it is determined whether or not the mode switching key 32 is turned on, and if it is in the off state, that is, the mode switching key 32 is not operated, in the window W1 indicated by the cursor K1. Select and execute the function of.

On the other hand, when the mode switching key 32 is on, that is, when the mode switching key 32 is operated, the function indicated by the mouse cursor MK is selected and executed. In the above description, the mouse cursor is operated by using the mouse in the normal use state. However, the mouse cursor MK is operated by using the touch screen.
May be configured to operate. Regarding window display, in addition to the case where the window is opened by operating the keyboard, the window is automatically opened by catching changes in related information, such as the occurrence of alarms, etc., based on instructions from the operator. It may be configured to display. Further, the display positions of the windows may be rearranged according to the type of the called window.

[0020]

As described in detail above, according to the present invention, a pointing device such as a mouse is provided,
A mouse cursor can be operated by operating a cursor key and a mode selection key in a display device that displays information necessary for process operation and control and a target for function selection in a window on a display screen such as a CRT or a liquid crystal display. However, if a pointing device such as a mouse or a touch screen fails, or if these functions are not provided, those functions can be replaced by cursor keys.

Therefore, it is possible to provide a cursor display device which is highly reliable and which is effective when applied to a process monitoring device.

[Brief description of drawings]

FIG. 1 is a functional block diagram showing an embodiment of the present invention.

FIG. 2 is a diagram showing a graphic in which two windows W1 and W2 are displayed on a display screen.

FIG. 3 is a flowchart showing an operation when operating a cursor key 31.

FIG. 4 is a flowchart showing an operation when a selection key 33 is operated.

FIG. 5 is a conceptual diagram of a configuration of a distributed control system.

[Explanation of symbols]

 1 display means (CRT) 2 display screen 3 keyboard 4 mouse 5 pointing device interface 6 window display means 7 cursor display means 8 mouse cursor display means 9 mode switching means W1, W2 window K1 cursor MK mouse cursor 31 cursor key 32 mode switching Key 33 Select key

Claims (1)

[Claims] 1. A process monitoring device for displaying various information for performing process monitoring and control operation on a screen of a display device, and window display means for displaying necessary information in a window on the screen. A cursor key, cursor display means for displaying a cursor that moves in the window displayed by the window display means based on a signal from the cursor key and indicates a specific function selection target, a mouse, and a mouse A mouse cursor display means for displaying a mouse cursor that moves the screen based on a signal and designates a specific portion, a mode switching key, and a selection key, and the mouse cursor display means includes the mode switching key and the cursor. In response to operating the and keys simultaneously, move the mouse cursor from the cursor keys Performs based on the signal, cursor display device, characterized in that the mouse cursor received from the engineered simultaneously with selection keys and mode switching key to perform the functions indicated.