JPH03144775A - Display updating system - Google Patents

Abstract

PURPOSE:To grasp the outline of the up-to-date state of display contents by updating a temporary display always prior to the updating of an original display, and after allowing the temporary display to follow up operation, updating the original display also to a new position. CONSTITUTION:It is supposed that a current display position 201 is stored in a computer. When an observer to be an operator starts operation for moving the display 201 from p1 to (p) through an arrow route, the temporary display 202 always follow up the operation, and when the temporary display 202 shows the up-to-date value, the original display 201 is moved to the position of the temporary display 202 and a position 302 is displayed. Then the old display 201 is erased. Thus, the observer can grasp the outline of the final display contents without generating any delay.

Description

[Detailed Description of the Invention] <Industrial Application Field> The present invention provides a temporary display that shows an outline of the changed display content prior to changing the display content in a table display device that is one of the terminals of a computer, for example. This invention relates to a display update method that performs.

(Prior art) For example, when a computer user wants to move the position of something displayed on the screen of a computer terminal, the user usually specifies a new position using a position input device such as a mouse. do. At this time, one of the usual methods is used to notify the operator of the position after the operation is completed.

■The displayed mortar body is updated according to the operation.

Refresh the display every time it is necessary to change the display 0 If display change requests occur continuously even though it takes time to update the display, only the display change information is stored and the display change request is Another method is to update to the latest state when the data is interrupted.

- Perform a temporary display before the original display.

If it takes time to update the original display and sufficient followability cannot be achieved for continuous display change requests, a temporary display (temporary display) that can be displayed relatively easily (in a short time)
follows the operation, and when the series of display change requests is completed and the final value is determined, the original display is updated to correspond to it. Since the temporary display is simpler than the original display, some portion of the information contained in the original display is usually omitted.

(Issues to be Solved by the Invention) When updating a display to a changed state, if updating the display takes time, the following problem occurs.

■With a method in which the entire display follows the operation, the display follows the operation with a large delay, making it impossible to grasp the latest status during operation.

■With the method of following only the temporary display, an overview of the latest state can be grasped, but the complete state after the change cannot be known until the display update is completed.

As described above, the conventional display updating method has problems that need to be solved.The purpose of the present invention is to solve the above problems and to enable the observer to grasp an overview of the latest state of display contents without delay. To provide a display updating method which can simultaneously grasp the final winter display contents in the middle of a series of changing operations.

(Means for Solving the Problems) In the present invention, both the temporary display and the original display are updated, and the update of the temporary display is always given priority over the update of the original display, and the temporary display is After following the operation, the original display is also updated to the new position.

(Operation) The basic principle of the display update method of the present invention is that updating of the temporary display always takes priority over updating of the original display, and that after the temporary display has followed the latest state, the original display is also updated. It will be updated to a new location. by this,! l
The aim is for the I measurer to be able to grasp the outline of the final display content without delay, and at the same time to be able to grasp the final display content during a series of operations.

(Embodiment) FIG. 1 is a diagram showing the flow of processing performed in an embodiment of the present invention, and FIGS. 2 and 3 are diagrams showing an example of display updating performed in the embodiment.

In this embodiment, the explanation will be given assuming that the change in display state is a change in the display position displayed on the screen, as shown in FIGS. 1, 2, and 3. It is assumed that the current display position (201 in FIG. 2) is stored in the computer.

Now, when the observer starts the operation of moving this display (FIG. 2 201) via the arrow path from P1 to P in FIG.

The process proceeds to the state shown in FIG. 3. At this time,
First, only the temporary display always follows the operation like 202 in Figure 2, and if the temporary display is the latest one, the original display 201 is moved to the position where the temporary display is, and 302 in Figure 3 Display it like this. After that, the old display 201 is deleted. Operations continue to occur on the opening bank.

The operation by the operator is notified to the program shown by chart 70 in FIG. 1 in the form of an event. The events are "start (of movement)", "movement", and "(movement).
``End''. When the operator starts a movement operation,
The program receives the "start" event and proceeds to block 4. In block 4, the position P is set to the position p1 where the current display is, and in block 5, a temporary display is made at p, and then in block 6
Set 1ast p to p and save the temporary display position. As a temporary display, for example, it is possible to display only a rectangle indicating the outer shape. Block 11 examines the next event.

(2) If no movement is performed As long as the next event is not obtained in block 11, the program returns to block 11 through blocks 12, 31 and 33. In other words, nothing is done. If the next event is "end", the process proceeds to blocks 12, 13 and 41, and no movement is performed and P=P remains 1, so in block 36, the process is performed in block 5. Clear the temporary display and exit.

(2) When movement is performed As long as the next event is not obtained in block 11, the program repeats passing through blocks 12, 31 and 33 and returning to block 11. If the next event is "move", proceed to block 21, initially P=p
l, and there is no display that is not completed (in the process of being generated) at p. Therefore, in block 23, the change (i.e., the amount of movement) dp in the display position P is calculated, and in block 24, the current temporary display position is calculated. IaStp, and the value of p is changed in block 25. In block 26, a temporary display is made on P, and in block 27, the previously displayed temporary display is erased. The process then proceeds to block 11 again to examine the next event.

(a) If you get an "end" event If you get an "end" event here, proceed to block 41. Since p has moved and p = p1, at blocks 42.43°44.45, The new display is displayed at Hp, the old display at pl is erased, P1=p, and the position P1 where the display exists is set to P. After that, the temporary display □ in P is erased and the process ends.

(b) If you get a "move" event If you get a "move" event again here, block 21
．． Proceed to 23, 24, 25, 26 and 27 to update the temporary display position.

Thereafter, the process returns to block 11.

(C) If an event is not obtained If an event is not obtained here, proceed to block 31. Since P is no longer 21 due to the movement of p,
Proceed to block 32, where display (drawing) is performed at the new position p for a predetermined period of time, and
Proceed to block 33. If the new representation is complete, proceed to block 34.35, erase the old representation in Pl, and set fpl to p as many representations exist as pl=p.
Then, the process returns to block 11. On the other hand, if the new display is not completed, the process directly returns to block 11.

In the case of (a) or (b), the process returns to block 11 again.

Check out the next event here.

(a) If you get an "end" event If you get an "end" event here, proceed to block 41. Since P is moving and p = p1, at blocks 42.43°44.45, A display is performed at a new position P, the old display at Pl is erased, and pl=P, and the position P1 where the display exists is set to P. Thereafter, the temporary display at P is erased and the process ends.

(b) If you get a "move" event If you get a "move" event again here, block 21
If the display (drawing) at the new position performed in block 32 has been completed, the process advances to blocks 23, 24, 25, 26, and 27 to update the temporary display position.

Thereafter, the process returns to block 11. Display in new position (
If the drawing (drawing) is not completed, proceed to block 22, erase the incomplete display, and then proceed to block 23゜24.2
Proceed to 5.26.27 and update the temporary display position. Thereafter, the process returns to block 11.

(C) If an event is not obtained If an event is not obtained here, proceed to block 31. Since P = p1 is no longer due to the movement of P,
Proceed to block 32, where the display (drawing) at the new position P is continued for a predetermined period of time, and proceed to block 33. If the new display is completed, block 34. Proceed to step 35, erase the old display in Pl, set pl=p, set the position p1 where the display exists to p, and return to block 11. on the other hand,
If the new display is not completed, just block 1
Return to 1.

In this way, we always update the temporary display before updating the display (drawing to another position and erasing the old display), and when the "move" event is interrupted or the final value is determined. Only the original display update operation is performed. Furthermore, even while the original display is being updated, the occurrence of an event is checked at regular intervals, and if a "movement" event occurs, the temporary display is updated with priority. Due to these characteristics, updating of the temporary display is always performed with priority over updating of the original display. Tateta,
After the temporary display follows the operation, the original display will also be updated to the new position.

In this example, changing the position of the displayed object is taken as an example.
Zero display is applicable not only to display devices that generate two-dimensional displays, but also to display devices that generate two-dimensional displays. It is designed to interrupt the process and check the event, but there are methods to interrupt the process when it has progressed to a certain point, and methods to use hardware interrupts etc. to know when an event has arrived and interrupt it at that point. is also possible.

Regarding updating the display and temporary display, here we draw the new one and then delete the old one, but it is also possible to do it in the reverse order.0 While updating the original display, When a "move" event is obtained, in this example, the drawing is deleted and the temporary display is updated.
If drawing has progressed to a certain extent, it is also possible to continue for a while, or to postpone erasing and move on to updating the temporary display.

(Effect of the invention) As explained in detail above, in the present invention, updating of the temporary display is
Updates are always given priority to the original display, and after the temporary display follows the operation, the original display is also updated to the new position, so the observer can see the latest information on the display. It is characterized by being able to grasp an overview of the status without delay, and at the same time grasping the final display contents on the spot.

The advantage of this feature becomes even more pronounced when the observer performs the operation while looking at the display. The observer, who is also the operator,
By looking at the temporary display, it is possible to quickly grasp the outline of the final display contents, and on the other hand, it is possible to proceed with the operation while checking the final display contents as necessary.

[Brief explanation of the drawing]

FIG. 1 is a flowchart showing a display updating method according to an embodiment of the present invention, and FIGS. 2 and 3 are diagrams showing an example of display updating performed by the display updating method of the embodiment.

Claims (1)

[Claims] If the need to change the display content occurs individually or consecutively over time, regardless of whether the display is being updated or not,
A display characterized in that a temporary display showing an overview of the updated display content is given priority over the final display, and the display content is updated to the final display after the temporary display follows the latest state. Update method.