JPH02271420A - Method and device for redisplaying window - Google Patents

Abstract

PURPOSE:To eliminate the calculation of a redisplaying area required for redisplay by controlling a display data record part and a display part with one window as a unit by a display control part and recording and displaying the window redisplay with the change of an window redisplaying order. CONSTITUTION:When the change of the displaying order is inputted from an window displaying order input part 1, an window display control part 2 discovers the window on the forefront surface presently displayed in a display part 3. Next, display data in the window displayed on the forefront surface are recorded and kept in an window display data record part 4. With the change of the displaying order, the window display data of the window to be displayed on the forefront surface are retrieved in the window display data record part 4 and the required window display data are taken out. The taken-out window display data are displayed in the display part 3. Thus, the redisplay is executed with the change of the window displaying order.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to a window redisplay method for quickly redisplaying windows by changing the display order of windows in a computer system that displays a plurality of windows on one display unit. , relates to a window redisplay device used in the method.

Conventional technology As a conventional example, the computer M of Apple Inc.
Regarding the window redisplay device by the window manager (WindowManager) of A.A.H.I.N.T.H., the state of redisplay caused by changing the display order of windows will be explained using FIG. As shown in FIG. 3, when there is an input to change the window display order from the window display order input unit 2o that inputs the window display change, the first step is to input the window display order change to the window management unit 2o.
displays the window frames on the display unit 22 so that the windows are displayed in the input display order. Next, the window management unit 21 instructs the ablicator 23 to redraw the portion of the display within the window that needs to be redisplayed. Upon receiving this, the application cage 23 calculates a rectangular area that needs to be redisplayed, and redisplays the rectangular area.

To explain this situation using Figure 2, the display order of Window A, Window B, and Window C from the front as shown in Figure 2 (-), and Window B as shown in Figure 2 (B).
2. When an instruction is given to change the display order of windows A and C.

The application cage town 23 in FIG. 3 calculates the hatched area 1o in FIG. 2(C) as a rectangular area that needs to be redisplayed, and redisplays this area. Similarly, if you want to change the display order as shown in Figures 2(a) to (d),
The shaded areas 11 and 12 in e) will be redisplayed.

As described above, in Machlntosh, the application cage 23 calculates the rectangular area that needs to be redisplayed and redisplays the rectangular area.

Problems to be Solved by the Invention However, the configuration described in the prior art cannot be used when there is a large amount of data displayed in a window, or when there are a large number of displayed windows and the overlapping screens are complex. However, this method has the problem that calculation of the area that needs to be redisplayed becomes complicated.

In view of this, when the window display control section receives an input from the window display order input section, if the window that was previously displayed in the foreground of the display section is no longer in the foreground, the The display data is stored in the window display data recording section, and the display order is changed so that it is displayed in the forefront.The redisplay area can be calculated by returning the saved window display data. An object of the present invention is to provide a method for redisplaying a window that does not require redisplaying a window, and an apparatus for use in the method.

Means for Solving the Problems In order to solve the above problems, the window redisplay device according to the present invention includes a window display order input section for inputting a change in the display order relationship of windows, and a display of display data to be drawn inside the window. a window display data recording section that records window display data for each window; and a window display control section that controls the display section and the window display data recording section based on input from the window display order input section. Consists of.

If the display order of the working windows is changed and it becomes necessary to redisplay the windows, first input the change in the display order from the window display order input section, and then the window display control section receives this input. An instruction is issued to store the window display data currently being displayed in the foreground of the display section in the window display data recording section, and the window display data recording section records the given window display data.

Next, the window control section searches the window display data recording section for a new window to be displayed in the forefront, and displays the obtained window display data on the display section.

As described above, in the present invention, the window display control unit controls the window display data recording unit and the display unit to record and display the redisplay of windows in response to a change in the window display order in units of one window. There is no need to calculate the rectangular area required for redisplay, and redisplay can be performed more easily when the window display order is changed.

Example Embodiments of the present invention will be described with reference to the drawings.

FIG. 1 shows an embodiment of a window redisplay device according to the present invention. In FIG. 1, reference numeral 1 denotes a window display order input section for inputting changes in the display order of windows. 2
1 is a window display control section, which instructs recording and display of window display data regarding the contents to be displayed in each window.

Reference numeral 3 denotes a display unit, which is a part that displays each window display data on one screen. Reference numeral 4 denotes a window display data recording section, which records window display data of the designated window. The operation of this embodiment configured as above will be described in detail below.

First, the flow of control of the window display control section will be briefly explained.

Step 1: If there is an input to change the display order from the window display order input section, go to Step 2. Otherwise, do nothing.

Step 2: Find the frontmost window currently displayed on the display.

Step 3: Save the display data inside the window displayed in the foreground in the window display data recording section.

Step 4: Search the window display data recording section for the window display data of the window that is to be displayed in the foreground due to the display order change, and take out the necessary window display data.

Step 6: Display the retrieved window display data on the display section.

In the flow described above, re-display is performed in response to changing the window display order. Next, the actual situation will be explained using FIG.

As shown in FIG. 2 (-), when three windows are displayed on the display unit 3 in the display order of window A, window B, and window C from the front, the display order is
When the window display order input unit 10 receives an input to change the display order of window B, window A, and window C from the frontmost as shown in FIG. The foreground window A is found, and the window display data drawn inside the foreground window A is stored as window display data A in the window display data recording section 4. Next, the window display control unit 2 displays the window display data of window B, which will newly become the foreground, and the window display data of window B that was previously saved in the window display data recording unit when it was no longer the foreground. The window display data recording section 4 is searched for display on the display section 3, and the obtained window display data B is displayed on the display section 3.

Similarly, when receiving an input from the window display order input section 1 to change the display order of three windows from the three window display order shown in FIG. 3(,) to the display order as shown in FIG. 3(d), first The window display data B is stored in the window display data recording section 4, and then the window display data B recorded in the window display data recording section 4 is displayed on the display section 3.

Effects of the Invention In the present invention, when the display order of windows is changed by the control of the display control unit, the frontmost window display data is recorded, and the display data of the frontmost window is newly recorded from among the previously recorded window display data. Restore the display data of the window that is on top. Therefore, redisplaying is easily performed without the need to calculate the redisplay area required for redisplaying due to a change in the display order of windows. In addition, the amount of data to be recorded can be said to increase depending on the number of windows that can be displayed, but as the price of recording devices decreases, large amounts of data can be easily recorded, and redisplay can be performed quickly depending on the order in which the windows are displayed. It can be said that it has an extremely high effect.

[Brief explanation of drawings]

FIG. 1 is a block diagram of a window redisplay device according to an embodiment of the present invention, FIG. 2 is an explanatory diagram of an embodiment of the present invention and a conventional example, and FIG. 3 is an explanatory diagram of a conventional example. 1...Input section, 2...Window display order instruction section, 3...Window display control section, 4
... Display management section, 5 ... Display device, 6
...Window display data recording section. Name of agent: Patent attorney Shigetaka Awano and one other person Pharmaceutical diagram ωJ (＾YuII-C) Mubno (8-eA-#C) (CφA”&) (CJ CB4A”C”) (C -A9) n Figure

Claims (2)

[Claims] (1) A window display order input section for inputting changes in the display order of windows, a display section for displaying window display data to be drawn inside the window, and a window display for recording window display data for each window. A data recording section and an input from the window display order input section issue an instruction to record the window display data at the forefront of the display section in the window display data recording section; 1. A window re-display device, comprising: a window display control section that instructs the display section to extract window display data to be displayed on the display section. (2) In response to an input to change the display order of windows, record the window display data of the window that is in the foreground of the display section, retrieve the window display data of the window that will newly become the foreground, and display it on the display section. A window redisplaying method characterized by redisplaying a window.