JPS6364122A - System line displaying system - Google Patents

Abstract

PURPOSE:To eliminate the fact that a system line comes to be an obstacle and to obtain an efficient displaying screen by executing the displaying only when the system line is necessary and preventing the displaying when it is not necessary. CONSTITUTION:First, while a system line is not displayed on the displaying screen of a CRT displaying device 100, the system line is set and a window screen 11 is formed. Next, when a command that the system line is to be displayed on a screen 11 is inputted, the screen 11 is displayed when the screen 11 is not displayed and a character is displayed in the screen. While the screen is displayed, an input character is displayed. In this condition, when a command that the character is to be deleted is inputted, a displaying character is deleted and next, the screen 11 is also deleted. Further, when a command that the screen 11 is to be cleared is inputted and the screen is displayed, the system line is cleared and the screen 11 is deleted. Thus, the efficient displaying is executed.

Description

[Detailed Description of the Invention] [Field of Industrial Application] The present invention relates to a system line display method, in particular, a system line is provided in a part of the display screen of a display device separately from the main screen, and the display differs from the main screen. This invention relates to a system line display method for display.

[Conventional technology]

BACKGROUND ART In computers, particularly personal computers, word processors, and the like, in addition to displaying a desired display on the display screen of the display device, for example, a part of the lower part of the display screen is reserved as a system line or system area. FIG. 6 shows a display screen with such a system line provided at the bottom. In the display screen of FIG. 6, a system line 41 is provided at the bottom of the main screen 43, and for example, system information and other information are displayed on this system line 41.

[Problem that the invention seeks to solve]

Conventionally, the system line has always been fixedly displayed on a part of the display screen, such as at the bottom. Therefore, for example, in applications that do not use the system line frequently, there is a problem that the system line becomes a nuisance.

The present invention has been made in view of the above, and its purpose is to display system lines only when necessary.
An object of the present invention is to provide a system line display method that does not display the display when it is not necessary.

[Means for solving problems]

In order to solve the above problem, in a system line display method, a system line is provided in a part of the display screen of the display device separately from the main screen, and a display different from the main screen is displayed.
The present invention provides a command means for instructing a system line to display characters, a setting means for setting a system line when the system line is not set in response to a command from the command means, and a setting means for setting the system line. after the system line is set by the means, a display control means controls so that characters inputted following a command from the command means are displayed on the system line; and a detection means detects that no character is displayed on the system line. and when this detection means detects that no characters are displayed on the system line,
and erasing means for erasing the system line when a system line erasure command is supplied.

[Effect]

In the system line display method of the present invention, the system line is provided only when and when characters are displayed on the system line.

〔Example〕

Hereinafter, the present invention will be explained in detail using the drawings.

FIG. 1 is a block diagram showing the configuration of a system line display method according to an embodiment of the present invention. The system line display method shown in the figure has a CR7 display device 10, and this C
As shown in FIG. 3, a window screen 11 is formed as a system line on the screen displayed on the RT display device 1o. Then, only when you want to display characters etc. as a system line, the window screen 11 is set to CR7.
This window screen 11 is displayed on the screen of the display device 10.
Although characters are displayed within, the window screen 11 is erased from the screen when it is not needed so that it does not get in the way.

The system line display method shown in Figure 1 is the CR7 display device 1.
an image writing circuit 1 for writing an image to 0;
7. A main screen image holding circuit 2 that holds image information of the main screen other than the window screen 11 of the display device 10, and a system line image holding circuit 3 that holds the image of the system line displayed within the window screen 11. A window display/erase determination circuit 4 that determines whether to display or erase the window screen 11 based on the output of the system line image holding circuit 3, and a display position storage circuit that stores the display position of the window screen 11. 5 and window display/
A window display circuit 6 that displays the window screen 11 on the CR7 display device 10 based on the output of the erasure determination circuit 4, a window erase circuit 7 that erases the window screen 11, a main screen image holding circuit 2, a window display circuit 6, and a window erase circuit 7 that erases the window screen 11. CR7 display device 1 by the output signal from circuit 7
0, and an image display circuit 9 for displaying an image on the display.

FIG. 2 is a flowchart showing the operation of the window type system line display method shown in FIG. 1. Next, the operation will be explained according to this flowchart.

First, in a state where the system line in window format is not displayed on the display screen of the CR7 display device 10, set the system line, form the window screen 11 as a display screen, and input characters into this window screen 11. When a command indicating that the window screen 11 is to be displayed is input, this command is analyzed in step 110, and the process proceeds to step 120, where it is checked whether the window screen 11 is being displayed. If the window screen 11 is not being displayed, the window screen 11 is displayed as shown in FIG. 3, and characters are displayed on this window screen 11 (steps 130 and 1).
40), and in the check at step 120, if the window screen 11 is already being displayed, the input characters are displayed on the window screen 11 (step 120.
140).

When a command to erase characters is entered while characters are being displayed on the window screen 11 in this way, the process proceeds from step 110 to step 150, where it is checked whether the window screen 11 is currently being displayed. be done.

If window screen 11 is being displayed, window screen 1
Erase the characters displayed in 1 (step 160)
As a result of erasing the characters, if the characters displayed on the window screen 11 disappear, the window screen 11 is erased (steps 170 and 180), that is, the characters displayed on the window screen 11 disappear. Sometimes, the window screen 11 is also erased so that it does not get in the way.

Further, if the window screen 11 is not displayed in step 150, and if characters are still displayed on the window screen 11 in step 171, the process is immediately terminated.

Further, when a command to clear the window screen 11 is input, the process proceeds from step 110 to step 190, where it is checked whether the window screen 11 is currently being displayed.

If the window screen 11 is being displayed, the system line is cleared and the window screen 11 is erased (steps 200 and 210).

FIG. 4 is a block diagram showing the configuration of a system line display method according to another embodiment of the present invention. In the system line display method shown in the figure, a system line 41 is displayed on the display screen of the CR7 display device 28 in a scrolling manner at the bottom of the main screen 43, as shown in FIG. Similarly to the system line display method shown in FIG. 1, only when it is desired to display characters, etc., the system line 41 is
The system line 41 is displayed at the bottom of the screen, and characters are displayed within this system line 41, but when it is not needed, the system line 41 is erased from the screen so that it does not get in the way.

The system line display method shown in Figure 4 is the CR7 display device 2.
an image writing circuit 21 for writing an image to CR 8;
7 An image holding circuit 22 that holds image information displayed on the display device 28, and a system line display/erase determination circuit that determines whether to display or erase the system line 41 based on the output of the image holding circuit 22. 23, a display position storage circuit 24 that stores the display position of the system line, a scroll amplifier circuit 25 that scrolls up the system line 41 on the CRT display device 10 based on the output of the system line display/erase determination circuit 4, and a system It has a scroll down circuit 26 that scrolls down the line 41, and an image display circuit 9 that displays an image on a CR7 display device 28.

FIG. 5 is a flowchart showing the operation of the scroll system line display method shown in FIG. 4. Next, the operation will be explained according to this flowchart.

In a state where the system line is not displayed in a scrolling manner on the display screen of the CR7 display device 28, the system line is set to form the system line 41 on the display screen, and characters are input and displayed within this system line 41. When a desired command is input, this command is analyzed in step 310, and the process proceeds to step 320, where it is checked whether the system line 41 is being displayed. If system line 41 is not displayed,
A system line 41 is displayed at the bottom of the screen as shown in FIG. 6, and characters are displayed on this system line 41 (steps 330, 340).

Furthermore, in the check in step 320, if the system line 41 is already displayed, the input characters are displayed on the system line 41 (step 320.34).
0).

When a command to erase a character is entered in a state where characters are displayed on the system line 41 in this way, the process proceeds from step 310 to step 350, where it is checked whether or not the system line 41 is being displayed. be done. If the system line 41 is being displayed, erase the characters displayed on the system line 41 (step 360). The system line 41 is erased (steps 370 and 380). That is, when there are no more characters displayed on the system line 41, the system line 41 is also erased so that it does not get in the way. Further, if the system line 41 is not displayed in step 350, or if characters are still displayed on the system line 41 in step 370, the process is immediately terminated.

Further, when a command indicating that the system line 41 is to be cleared is input, steps 310 to 390 are executed.
, and checks whether the system line 41 is being displayed. If the system line 41 is being displayed, clear the system line and erase the system line 41 (
Step 41O1420).

Note that the positions of the window screen and the system line are not limited to the positions shown in the above embodiments.

〔Effect of the invention〕

As explained above, according to the present invention, the system line is provided only when characters are displayed on the system line and when characters are displayed.
Since the system line is not displayed when it is not needed, it does not get in the way in applications where the system line is not used much, and an efficient display screen can be obtained.

[Brief explanation of drawings]

FIG. 1 is a block diagram of a system line display method according to an embodiment of the present invention, FIG. 2 is a flowchart showing the operation of the system line display method of FIG. 1, and FIG. 3 is a system line display method of FIG. 1. 4 is a block diagram of a system line display method according to another embodiment of the present invention. FIG. 5 is a flowchart showing the operation of the system line display method of FIG. 4. FIG. 5 is a diagram showing a display screen in the system line display method of FIG. 4; In the figure, 1... Image writing circuit, 2... Main screen image holding circuit, 4... Window display/erase discrimination circuit, 5... Display position storage circuit, 6... Window display circuit, 7 . . . window erasing circuit, 9 . . . image display circuit, 10 . . . CRT display device.

Claims (3)

[Claims] (1) In a system line display method in which a system line is provided separately from the main screen on a part of the display screen of a display device and a display different from that of the main screen is provided, a command that instructs character display to be performed on the system line. a setting means for setting a system line when a system line is not set in response to a command from the command means; and a setting means for setting a system line in response to a command from the command means; a display control means for controlling the display of characters on the system line; a detection means for detecting that no characters are displayed on the system line; and a detection means for detecting that no characters are displayed on the system line. A system line display method comprising: erasing means for erasing the system line when the system line is erased and when a system line erasure command is supplied. (2) The system line display method according to claim 1, wherein the system line is displayed in a window format on a part of the display screen. (3) The system line display method according to claim 1, wherein the system line is displayed in a scrolling manner on a part of the display screen.