JPH07219740A - Multiwindow display device - Google Patents

Abstract

PURPOSE:To improve operability by providing a use attribute setting/releasing means and a use recognition means and controlling windows in accordance with use attributes which are set for the respective windows. CONSTITUTION:The use setting means (use attribute setting/releasing means) 62 sets the use attributes at the time of generating the windows and releases the use attributes at the time of eliminating the windows. The use recognition means 63 identifies requested use and executes a processing corresponding to identified use. Namely, the use identification means 63 refers to a use attribute table and a use structure, obtains the applied window by the list of the window belonging to the use and informs a window management means 1 of the window and the value of a flag in the use structure. The window management means 1 checks the noticed noticed value of the flag. When the value is '0' for the respective noticed windows, a display request is issued to a display means 3, and a non-display request when the value is '1'. The display means 3 displays the applied window or it does not display anything.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a multi-window display device capable of performing multi-window display in which a plurality of windows are superimposed and displayed.

[0002]

2. Description of the Related Art FIG. 14 shows, for example, Japanese Patent Laid-Open No. 63-4328.
2 is a functional block diagram showing a multi-window display device disclosed in Japanese Patent Laid-Open Publication No. JP-A-2003-163, in which 1 is a window management means for managing the size and position of each window and the display order between windows, and 2 is the display of the corresponding window. A storage unit 3 for storing data reads the display data of each window stored in the storage unit 2 and converts the screen of each window into window control data for controlling the attributes and display order managed by the window management unit 1. Based on this, it is a display means for displaying the display 24 in an overlapping manner.

FIG. 15 is a system configuration diagram showing a multi-window display device. This multi-window display device operates under the control of the CPU 11 and simultaneously displays a plurality of windows on the display 24 in a superimposed manner. In the figure, the CPU 11 creates, deletes, and changes windows. In addition to the memory in which the program is stored, the CPU 11 is provided with a mouse 12 and a keyboard 13 for inputting control information, display data information and the like to a window by an operator's operation, via a mouse control device 14 and a keyboard control device 15. It is connected. CPU1
1 also controls peripheral devices such as the window management table 16, the window memory 17, the overlap controller 18, and the like. Window management table 16
Is a table that manages the size and position of windows and the display order relationship between windows, and is created, deleted, or changed by the CPU 11.

The window memory 17 corresponds to the storage means 2 shown in FIG. 14 and is a memory for storing display data of windows, and a logical buffer corresponding to each window is prepared. The overlap control device 18 includes the CPU 1
Under the control of 1, the display control information of each window is extracted from the window management table 16 and the control data to be displayed on the screen is stored in the display control memory 19. The window display device 20 is a device in which the overlap control device 18 stores control data in the display control memory 19 and then outputs the control data to the bit mover 21.
The bit mover 21 fetches the display data of the window from the window memory 17, and stores the fetched display data and the control data sent from the window display device 20 in the display memory 22.

The display control device 23 is a device for controlling the display on the display 24 and displaying the display data for each window stored in the display memory 22 on the display 24 based on the control data. Then, the display control device 23
Under the control of (1), the display 24 is configured to be capable of displaying a plurality of windows simultaneously in an overlapping state.

FIG. 16 shows storage information of a management table corresponding to each window of the window management table 16, and this storage information includes a display data storage logical buffer L of each window managed by the management table.
Width IBW and height IBH of BF, width WIW and height WIH of window, x coordinate W which is the starting point of the window on the screen
IX and y coordinate WIY, pointer F to the next window
There is information such as P, a pointer BP to the previous window, a foreground color FGC of the window, and a background color BGC.

17 (a), (b) and (c) show CP
Two windows A and B under control of U11
7 shows the states of the window memory 17 and the window management table 16 and the window displayed on the display 24 when the is generated. As shown in FIG. 6A, the window memory 17 has a logical buffer LBFA for window A and a logical buffer LBFB for window B in C.
Logical buffer L generated by the program of PU11
Display data for window A, logical buffer L in BFA
Display data for window B is stored in the BFB. Further, in FIG. 9B, 16a is a management table for window A, and 16b is a management table for window B. Reference numeral 16c is a base table, in which a base pointer BSP pointing to the start address of the management table of the frontmost window is set.

When the window A is displayed in the foreground and the window B is displayed in the last as shown in FIG. 17C, the respective management tables 16a and 16b are shown in FIG. It must be set in the link structure as shown. That is, the base pointer BSP of the base table 16c points to the head address of the management table 16a of the window A in the foreground. Further, since the window is not displayed before the window A, the termination code NULL is stored in the pointer BPA that points to the leading address of the management table of the window before the management table 16a of the window A at the forefront. The pointer FPA to the next window of the management table 16a of the window A points to the start address of the management table 16b of the next window B.

The pointer FPB to the next window in the management table 16b of the window B stores the termination code NULL because there is no other window after the window B. The pointer BPB of the management table 16b indicates that the window A is displayed before the window B.
It points to the start address of a.

Thus, as shown in FIG. 17 (c), the window A is displayed on the screen of the display 24 so as to be superimposed on the window B, but the window B is hidden by the screen of the window A. Since there is an open area, the operator cannot know the display contents of the logical buffer LBFB of the window B for this portion. In such a case, the display order of the window B is changed so that the window B is brought to the forefront by the operation of the mouse or the keyboard or the application program used in this window control device. To change the display order of the window B, the base pointer BSP of the base table 16c of the window management table 16 is set to the management table 16 of the window B.
b, the end code NULL is stored in the pointer BPB of the management table 16b of the window B, and the pointer FPB of the management table 16b points to the start address of the management table 16a of the window A. The termination code NULL is stored in the pointer FPA. Then, the pointer BPA of the management table 16a is reset so as to point to the start address of the management table 16b of the window B. In this way, the program of the CPU 11 causes the base pointer BSP of the base table 16c of the window management table 16 and the management table 16a of each window,
The display order of the window B is changed by changing the point contents of the pointers FPA, BPA, FPB, and BPB of 16b.

[0011]

Since the conventional multi-window display device is configured as described above, when searching for a window for a specific purpose from a plurality of windows displayed on the screen, an operator There is a problem in that it is necessary to perform an operation to eliminate this overlap state for windows whose display contents cannot be confirmed due to overlap, because the use contents of the windows are judged by themselves. For this reason, it is necessary to pop up the target window by mouse operation or unmap or move the non-target window, which is troublesome and the operability is not good.

When the window is focused, the display contents may be hidden by the cursor, which may hinder the confirmation of the display contents, which is also a problem.

Further, in the case of a shared terminal or the like, if the entire display screen is locked to hide the display contents, there is a problem that the display cannot be used by other users.

The invention of claim 1 has been made to solve the above problems, and an object of the invention is to obtain a multi-window display device with improved operability by controlling windows for each use attribute. And

It is an object of the present invention to provide a multi-window display device capable of concealing display contents.

According to the third aspect of the present invention, the foreground color and the background color in the display of the window are controlled for each use attribute to facilitate the identification of the use-specific window on the display and improve the operability. The purpose is to obtain a display device.

It is an object of the present invention to provide a multi-window display device capable of improving operability by popping up the window and displaying it in the foreground when the window is focused.

It is an object of the present invention to provide a multi-window display device in which the display of the cursor is hidden when the cursor is stopped and the displayed contents are prevented from being shaded by the cursor.

[0019]

A multi-window display device according to the invention of claim 1 sets a usage attribute to each window or cancels a usage attribute that has been set, and usage attribute setting means. The use recognition means for identifying the use attribute set by the release means is provided.

A multi-window display device according to a second aspect of the present invention controls a window display based on a password setting means for setting a password for specifying an operator, and the password set by the password setting means. And a user determination unit that enables the determination.

The window management means of the multi-window display device according to the third aspect of the invention manages and controls the foreground color and the background color in the display of the window for each use attribute set by the use attribute setting / releasing means. Is.

A multi-window display device according to a fourth aspect of the present invention comprises pop-up processing means for popping up the window and displaying it on the foreground when the window is focused.

A multi-window display device according to a fifth aspect of the present invention detects a moving state of the cursor, hides the display of the cursor when the movement of the cursor is not detected for a predetermined period, and moves the cursor. In this case, a cursor control means for displaying the cursor is provided.

[0024]

In the multi-window display device according to the first aspect of the present invention, the window is controlled according to the usage attribute set for each window, thereby improving the operability.

In the multi-window display device according to the second aspect of the present invention, the display and non-display of the window can be controlled based on the set password, so that the display content can be concealed based on the password.

In the multi-window display device according to the invention of claim 3, the foreground color and the background color in the display of the window are controlled in accordance with the usage attribute set for each window, so that the usage of the window on the screen can be changed. It acts to facilitate identification and improve operability.

In the multi-window display device according to the invention of claim 4, the focused window is displayed in the foreground so that the operability is further improved.

In the multi-window display device according to the invention of claim 5, when the cursor is stopped for a predetermined period of time, the display of the cursor is hidden so that the display content is prevented from being shaded by the cursor and the display content can be easily confirmed. The operability is further improved.

[0029]

【Example】

Example 1. Embodiment 1 of the invention of claim 1 will be described below with reference to the drawings. FIG. 1 is a functional block diagram showing the configuration of the multi-window display device of this embodiment. Further, as a system configuration diagram of the multi-window display device of the present embodiment,
The description will proceed using the system configuration diagram shown in FIG.
In FIG. 1, parts that are the same as or correspond to those in FIG. 14 are given the same reference numerals and description thereof is omitted. In the figure, a use setting means 62 (use attribute setting / cancellation means) is a means for setting a use attribute when generating a window and releasing the use attribute when deleting a window. The purpose recognition means 63 is
This is a means for identifying the use set by the use setting means 62 and searching for a window corresponding to the use.

2A, 2B and 2C show the CPU
Window memory 17 when three windows A, B and C are generated under the control of 11
The (storage means), the state of the window management table 16, and the window displayed on the display 24 are shown. As shown in FIG. 7A, a logical buffer LBFA31 for window A, a logical buffer LBFB32 for window B, and a logical buffer LBFC33 for window C are generated in the window memory 17 by the program of the CPU 11, and are stored in the logical buffer LBFA31. Display data for window A, display data for window B in the logical buffer LBFC 32, and display data for window C in the logical buffer LBFB 33 are stored.

In FIG. 1B, reference numeral 50a is a management table for window A, 50b is a management table for window B, and 50c is a management table for window C. The management table 50a for the window A, the management table 50b for the window B, and the management table 50c for the window C are for storing display data of respective windows managed by the management table as shown in FIG. The width LBW51 and the height LBH5 of the logical buffer LBF
2, width W of the window displayed on the display 24
IW53 and height WIH54, x-coordinate WIX55 and y-coordinate WIY56 that are the starting points on the screen of the window, pointer FPA57 to the next window, pointer BPA58 to the previous window, foreground color FGC59 of the window, background color BGC60, and further uses Attribute table USETBL
There is information such as a pointer 61 to 70.

Returning to FIG. 2B, the usage attribute table 70
Is provided with a plurality of usage attributes USE1 to USEn and menu information such as LOCK indicating that the display contents are kept secret and ALL indicating control over all the displayed windows.

Reference numerals 80a and 80b are application structures prepared for each member (application) of the application attribute table.
The stored information is shown in (b) of FIG. That is, in FIG. 3B, 80 is a usage structure, and a flag 81 indicating an execution state and a start address 82 of a window list 90 that is a list of windows belonging to each usage shown in FIG. 3C are stored. To be done. Therefore, the usage structure 80a shown in FIG. 2B has the storage information including the flag FLG indicating the execution state of the usage attribute USE1 and the start address WLIST1 of the window A belonging to the usage attribute USE1. Further, the usage structure 80b has a usage attribute US
It has a flag FLG indicating the execution state of E2, and storage information consisting of the start address WLIST2 of the window list 90b of the windows B and C belonging to the usage attribute USE2.

Reference numeral 40 is a base table, in which a base pointer BSP pointing to the head address of the management table of the frontmost window is set.

As shown in FIG. 2C, when the window A is displayed in the foreground, the window B is displayed behind the window A, and the window C is displayed in the rearmost surface, the window shown in FIG. ) As shown in window management table 1
Each of the management tables 50a, 50b, 50c of No. 6 must be set in a link structure. That is, the base pointer BSP of the base table 40 points to the start address of the frontmost window A, and the pointer BPA58 to the previous window of the management table 50a of the frontmost window A indicates the window A before the window A. Since the window is not displayed, the termination code NULL is stored, and the pointer FPA57 to the next window of the management table 50a of the window A points to the start address of the management table 50b of the next window B.

The pointer FPB to the next window in the management table 50b of the window B points to the start address of the management table 50c of the window C because the window C is located after the window B. Since the window A is displayed before the window B, the pointer BPB of the management table 50b points to the start address of the management table 50a of the window A.

Furthermore, the management table 50c of the window C
Pointer FPC to the window next to
The end code NULL is stored because there is no window displayed after. Further, the pointer BPC of the management table 50c is set to the window B before the window C.
Is displayed, it points to the start address of the management table 50b of the window B.

Next, the operation of setting the use will be described with reference to FIG. When the window A is generated, the logical buffer LBFA 31 for the window A is generated in the window memory 17 by the program of the CPU 11 and the window display data is stored. The head address of the usage structure 80a is stored in the usage attribute USE1 of the usage attribute table 70, and the window list WLI is a list of windows for the usage attribute USE1.
At the end of ST190a, the window id of window A
(Window identifier) is stored, and usage is set. The usage is similarly set for the windows B and C.

Next, the operation when there is a display / non-display request for each application will be described with reference to FIGS. 4 and 5.
4 (a), (b) and (c) are display transition state explanatory views showing the state of change of the window displayed on the display 24, and FIG. 5 shows a display / non-display request for each application. It is a flow chart which shows processing operation at the time. When performing display / non-display for each purpose, the user causes the display 24 to display the menu window 100 showing a list of uses by operating the mouse. This state is shown in FIG. Then, the intended use is clicked from the uses USE1 to USEn for displaying / non-displaying for each use. This state is shown in FIG.

The usage recognizing means 63 recognizes the requested usage (step ST1) and performs a process according to the identified usage. The usage recognizing unit 63 refers to the usage attribute table 70 and the usage structures 80a and 80b shown in FIG. 2B, finds a corresponding window from the list 90a and 90b of the window ids belonging to the usage, and the window id And the value of the flag FLG of the usage structure is notified to the window management means 1 (step ST2). After that, the usage recognizing means 63 changes the value of the flag FLG to "1" when "0" is set, and changes the value to "0" when "1" is set. To do. On the other hand, the window management means 1 that received the notification checks the value of the notified flag FLG, and if the value of the flag FLG is "0" for each notified window, a display request is made, and if it is "1", a non-display request is made. Is issued to the display means 3, and the display means 3 displays or hides the corresponding window as shown in FIG. 4 (c) (step ST3).

As described above, according to this embodiment, the pointers 61a, 61b, 61c of the management table showing the usage attributes for each window displayed on the display 24, the usage attribute table 70, the usage structures 80a, 80b, and the window list. With 90a and 90b, it is possible to display or hide windows according to usage.

Example 2. Embodiment 2 of the invention of claim 2 will be described below with reference to the drawings. FIG. 6 is a functional block diagram showing the configuration of the multi-window display device of this embodiment.
FIG. 6 has a configuration in which a user determination unit 64 and a password setting unit 65 are added to the configuration shown in FIG. 1, and operations such as setting of usage of each window and usage recognition are the same as in the first embodiment. Done. 6, parts that are the same as or substantially equivalent to those in FIG. 1 are assigned the same reference numerals and explanations thereof are omitted. In the figure, the user determination means 64 is means for identifying the user from the password set by the password setting means 65 when the value indicating the confidentiality of the display contents is set in the usage attribute.

Next, the operation of concealing the display contents in window units when there is a request to display or hide windows for each application will be described with reference to FIGS. 7 and 8. FIG. 7 is a display screen diagram showing an operation process of concealing display contents, and FIG. 8 is a flowchart showing an operation of concealing display contents. When the value indicating the confidentiality of the display content is set in the usage attribute, that is, when the usage attribute clicked in the usage identification processing in step ST1 is the confidential display content (LOCK), the mode is shifted to the password mode, and the user determination means 64 displays the password input window 101 on the display 24 (step ST
4) Then, it is checked whether or not the password has been set (step ST5).

If the password is not set when the window is hidden, the user determination means 64
Sets the password using the password input window 101 via the password setting means 65 (step ST7), and then the password input window 10
1 is hidden (step ST8), and the corresponding window is hidden. When the password has already been set, the corresponding window is immediately hidden (step ST2, step ST3).

When the window is displayed in the non-display state, the user determination means 64 determines whether the password input from the displayed password input window 101 is correct (step ST6), and the password is input correctly. If not, the process ends, and if correct, the password input window 101 is hidden (step ST
8) Display the window to be displayed (step ST
2, step ST3). 7A is a display screen showing a state before the window 2 in the hidden state is displayed, and FIG. 7B is a password input window 10
1 is a display screen showing a state in which 1 is displayed, FIG.
2 is a display screen showing a state in which a correct password is set in the window 2 and window 2 is displayed.

As described above, according to the present embodiment, the password can be set by the password setting means 65, and the user can be identified by the set password and the entered password, and the user can be limited to a specific user and classified by use. It is possible to hide the window display contents of.

Example 3. A third embodiment of the invention of claim 3 will be described below with reference to the drawings. In this embodiment, the foreground color and the background color of the window are changed according to the use. The operation up to the use setting and the use recognition is the same as the operation described in the first and second embodiments.

FIG. 9 is an explanatory view showing a use structure 80c for changing the foreground color and the background color of the window according to the use, and has a configuration obtained by expanding the use structure 80 shown in FIG. 3B. ing. That is, the contents of the usage structure 80 shown in FIG. 3B are added with the information of the foreground color USEFGC83 and the background color USEBGC84 of the window corresponding to each usage.

In this embodiment, when searching for a window for a certain purpose, the user operates the mouse to display the menu window 100 shown in FIG. 4 in which a list of uses is displayed on the display screen, and clicks on the corresponding purpose.
When the use is a normal use, the use recognizing unit 63 refers to the use attribute table 70 and the use structure 80 to obtain a corresponding window from the list 90 of window ids belonging to the use, and the window id of the window and the use structure. The foreground color USEFGC83 and background color USEBGC84 of the window of the body and the value of the flag FLG are notified to the window management means 1. After that, the usage recognizing means 63 changes the value of the flag FLG81 to "1" when it is set to "0", and changes it to "0" when "1" is set.

Upon receipt of the notification, the window management means 1 checks the value of the notified flag FLG, and if the value is "0", the foreground color is the foreground color USEFGC83, and the background color is the background color USEBGC84. If the value is "1", the foreground color is the foreground color FGC59 of the window management table.
In addition, a request is issued to the display means 3 for each window notified from the application recognition means 63 to change the background color to the background color BGC60, and the display means 3 displays the foreground color and background color of the requested window. change. Further, when the use is to conceal the display contents, the operation is the same as that of the second embodiment.

As described above, according to this embodiment, the foreground color and the background color of the window can be changed and displayed according to the application.

Example 4. A fourth embodiment of the invention of claim 4 will be described below with reference to the drawings. FIG. 10 is a functional block diagram showing the configuration of the multi-window display device of this embodiment. In FIG. 10, parts that are the same as or substantially equivalent to those in FIG. 66 in the figure
Is a pop-up processing means for automatically displaying the focused window at the top (top).

When the window is focused, the display means 3 notifies the window management means 1 that the window is focused (hereinafter referred to as a focus-in event). In the conventional multi-window display device, the window management means 1 that receives a focus-in event issues a popup request and the display means 3 performs a popup operation, whereas in the present embodiment, the display means 3 becomes the window management means 1. At the same time as issuing the focus-in event, the pop-up processing means 66 performs a pop-up operation for the corresponding window, and the window management means 1 receiving the focus-in event only updates the data of the window management table.

As described above, in this embodiment, the pop-up processing means 66 performs the pop-up operation of the corresponding window, and the window management means 1 receiving the focus-in event only updates the data of the window management table. It will speed up.

Example 5. The fifth embodiment of the invention of claim 5 will be described below with reference to the drawings. FIG. 11 is a functional block diagram showing the configuration of the multi-window display device of this embodiment. 11, parts that are the same as or correspond to those in FIG. 1 are given the same reference numerals, and descriptions thereof will be omitted. 67 in the figure
Is a cursor control means for displaying or hiding the cursor according to the operating state of the cursor.

Next, the operation will be described based on the flowchart shown in FIG. First, it is determined whether or not the cursor is moving (step ST11). If the cursor is moving, a normal cursor display is performed (step ST12). If the cursor is stopped, the cursor state is changed at a constant cycle. Check (step ST13). As a result, when it is determined that the cursor is in the stopped state for several cycles, the cursor is hidden (step ST14), and when it is determined that the cursor is not stopped, the normal cursor is displayed. Perform (step ST12).

As described above, according to this embodiment, when the cursor is stopped for a certain period of time, the cursor display is automatically extinguished, so that there is no portion where the display content is hidden by the cursor, and the display content can be confirmed. The operability is improved, for example, by quickly and easily.

In the embodiment described above, the cursor display is automatically extinguished when the cursor is stopped for a certain period of time. However, it is determined that the cursor is in the moving state for a certain period of time, The cursor may be displayed when the period cursor is in the moving state, and may be hidden when the period cursor is not in the moving state.

Example 6. FIG. 13 is a block diagram showing the configuration of the multi-window display device according to the sixth embodiment of the present invention. The multi-window display device of this embodiment has all the characteristic functions of the multi-window display devices described in the first, second, third, fourth and fifth embodiments. . The configurations and effects for realizing these respective functions and the respective functions have been described in the first embodiment, the second embodiment, the third embodiment, the fourth embodiment, and the fifth embodiment, and the description thereof will be omitted.

[0060]

As described above, according to the first aspect of the invention, the windows are configured to be managed and controlled for each usage attribute, so that the windows can be controlled in usage attribute units and the operability is improved. Has the effect of

According to the second aspect of the present invention, since the display / non-display of the window can be controlled based on the password, there is an effect that the display content can be kept secret.

According to the invention of claim 3, the foreground color and the background color in the display of the window are controlled for each usage attribute set in each window, so that the usage attribute of the window is identified by the foreground color and the background color. Therefore, there is an effect that operability is improved.

According to the invention of claim 4, when the window is focused, the window is popped up and displayed on the foreground, so that it is easy to confirm the display content of the focused window and the operability is improved. There is the effect of further improvement.

According to the invention of claim 5, the display of the cursor is hidden when the movement of the cursor is not detected for a predetermined period, and is displayed when the cursor is moving. There is no effect that the contents are shaded by the cursor, and there is an effect that operability is further improved such that the displayed contents can be easily confirmed.

[Brief description of drawings]

FIG. 1 is a functional block diagram showing a configuration of a multi-window display device according to a first embodiment of the present invention.

FIG. 2 is an explanatory diagram showing the states of the window memory and the window management table of the multi-window display device according to the first embodiment of the present invention and the windows displayed on the display.

FIG. 3 is an explanatory diagram showing configurations of a management table, a usage structure, and a window list of the multi-window display device according to the first embodiment of the present invention.

FIG. 4 is a display transition state explanatory diagram showing a change state of windows displayed on the display of the multi-window display device according to the first embodiment of the present invention.

FIG. 5 is a flowchart showing a processing operation when there is a display / non-display request for each application in the multi-window display device according to the first embodiment of the present invention.

FIG. 6 is a functional block diagram showing a configuration of a multi-window display device according to a second embodiment of the invention of claim 2.

FIG. 7 is a display screen diagram showing an operation process of concealing display contents displayed on the display of the multi-window display device according to the second embodiment of the present invention.

FIG. 8 is a flowchart showing an operation of concealing display contents in the multi-window display device according to the second embodiment of the invention of claim 2;

FIG. 9 is an explanatory diagram showing a configuration of a usage structure of a multi-window display device according to a third embodiment of the present invention.

FIG. 10 is a functional block diagram showing the structure of a multi-window display device according to a fourth embodiment of the present invention.

FIG. 11 is a functional block diagram showing a configuration of a multi-window display device according to a fifth embodiment of the present invention.

FIG. 12 is a flowchart showing the operation of the cursor control means in the multi-window display device according to the fifth embodiment of the invention.

FIG. 13 is a functional block diagram showing a configuration of a multi-window display device according to a sixth embodiment of the present invention.

FIG. 14 is a functional block diagram showing a configuration of a conventional multi-window display device.

FIG. 15 is a system configuration diagram of a conventional multi-window display device.

FIG. 16 is an explanatory diagram showing storage information of a management table corresponding to each window in the conventional multi-window display device.

FIG. 17 is an explanatory diagram showing the states of the window memory and the window management table in the conventional multi-window display device and the windows displayed on the display.

[Explanation of symbols]

 1 Window Management Means 3 Display Means 17 Window Memory (Storage Means) 62 Application Setting Means (Application Attribute Setting / Cancellation Means) 63 Application Recognition Means 64 User Judging Means 66 Popup Processing Means 67 Cursor Control Means

Claims (5)

[Claims] 1. A window managing means for managing and controlling the size and position of windows, a display order relationship between windows, a storage means for storing display data to be displayed in the window, and a window managing means for managing the display data. In a multi-window display device having a display means for simultaneously displaying a plurality of windows on a display screen in an overlapping manner based on window control data stored therein, a use attribute for setting or canceling the set use attribute for each window A multi-window display device comprising: setting / releasing means and usage recognizing means for identifying the usage attribute set by the usage attribute setting / releasing means. 2. A password setting means for setting a password for specifying an operator, and a user determination means for enabling control of display of the window based on the password set by the password setting means. The multi-window display device according to claim 1, wherein: 3. The multi according to claim 1, wherein the window management means manages and controls the foreground color and the background color in the display of the window for each use attribute set by the use attribute setting / cancelling means. Window display device. 4. The multi-window display device according to claim 1, further comprising a pop-up processing unit that pops up the window and displays it in the foreground when the window is focused. 5. A cursor control for detecting a state of movement of the cursor, hiding the display of the cursor when the movement of the cursor is not detected for a predetermined period, and displaying the cursor when the cursor is moving. The multi-window display device according to claim 1, further comprising means.