JP2000339130A - Display controller and recording medium for recording display control program - Google Patents

Abstract

PROBLEM TO BE SOLVED: To output only necessary screen data among plural screen data displayed at a terminal in a display controller for outputting picture data displayed on the display screen of terminal equipment such as a personal computer to an output monitor, and for displaying the picture data. SOLUTION: In a state that plural file data to be displayed on a monitor are called and displayed as window data W1, W2,... at a liquid crystal display part 13 of a personal computer 10, any one window data Wn are instructed and selected by a pointer P as an active window to be monitor-outputted. The selected window data Wn are enlarged according to the preliminarily inputted display screen size(resolution) of an outside monitor 20, and written in a virtual outside device VRAM area being the storage region of an outside output picture data ensured according to the display screen size(resolution) of the outside monitor 20, and converted into a video signal, and outputted and displayed to the outside monitor 20.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a display control device for outputting image data displayed on a display screen of a terminal device such as a personal computer to an external monitor for display, and a recording medium recording a display control program. .

[0002]

2. Description of the Related Art For example, in a portable personal computer, various data (for example, document data created by word processing software, spreadsheet data created by spreadsheet software) created by using various installed application software. ) Is displayed to a third party in a presentation or the like, an external monitor or projector is connected to the video output terminal of the personal computer, and the display data displayed on the display screen of the personal computer is monitored as it is.

[0003] In this case, however, there is a problem that display data such as a menu screen and a file list screen displayed in a window accompanying a file operation for calling each data on a display screen in the personal computer are also monitored as they are.

Therefore, the order in which each data is shown to a third party can be predetermined according to the flow of the story to be explained. By doing so, software for presentations has been conceived, in which each data can be called up on a display screen and monitored in the order set sequentially for each key operation.

[0005]

However, even when such presentation software is used, it is necessary to perform an operation in the middle of the presentation, for example, when searching for data that has already been monitored and recalling the data. In such a case, there is a problem that the operational data accompanying this is also monitored as it is.

That is, it is easier for the presenter to perform the explanation while performing an operation such as searching for necessary data on the display screen of the personal computer, but it is easier to proceed with the explanation in a non-uniform and free combination. ,
A third party looking at the monitor has a demand that it is more troublesome to show only the screen of the data necessary for the explanation.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-described problems, and provides a display control device and a display control program capable of outputting only necessary screen data among a plurality of displayed screen data. It is an object of the present invention to provide a recorded recording medium.

[0008]

That is, a display control device according to a first aspect of the present invention comprises: a window display means for displaying window data on a display screen; and a plurality of windows displayed on the display screen by the window display means. Window selecting means for selecting an arbitrary one of the windows, and output means for outputting data of the window selected by the window selecting means to an external display device.

In such a display control device, when an arbitrary window is selected from a plurality of windows displayed on the display screen by the window display means, only the data of the selected window is output to an external display device. Since the data is displayed on the monitor, even if a plurality of windows and other data are displayed on the display screen, only the necessary windows can be output on the monitor side.

[0010]

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

FIG. 1 is a view showing the external configuration of a laptop personal computer 10 and an external monitor 20 according to an embodiment of the display control device of the present invention.

The personal computer 10 is provided with a keyboard 11, a mouse 12, and a liquid crystal display 13, and has a function of creating various data using, for example, various installed application software (for example, a word processor software). ), And a function of arbitrarily calling and displaying the created data as window data W1, W2,... On the liquid crystal display unit 13.

Then, while moving the pointer P displayed on the liquid crystal display section 13 by operating the mouse 12,
Arbitrary work is performed by designating various functions and selecting data.

In the display control function of the personal computer 10 described in this embodiment, the window data W arbitrarily selected and designated by the pointer P on the liquid crystal display unit 13 is used.
Only n (active window) can be output as a video signal that matches the screen size (resolution) of the display unit 21 of the external monitor 20.

FIG. 2 is a block diagram showing the configuration of the electronic circuit of the personal computer 10. As shown in FIG.

The electronic circuit of the personal computer 10 includes a control unit 14 including a CPU.

The control unit (CPU) 14 includes a keyboard 12
Storage device 1 according to an operation input signal from the
5 starts a system program stored in advance, or reads a computer terminal control program data recorded on an external recording medium 15a such as a floppy disk (FD) into a recording medium reading device such as a floppy disk device (FDD). And starts up the memory device 15 to control the operation of each part of the circuit.

The control unit (CPU) 14 is connected to the RAM 11, the liquid crystal display unit 13, and the output control unit 17 in addition to the keyboard 11, the mouse 12, and the storage device 15.

The keyboard 11 is provided with character / symbol input keys and numeric keys for inputting arbitrary characters and symbols, function keys for activating various functions, a pointer P on the display screen, and the like. A cursor key or the like for performing a cursor moving operation is provided.

The storage device 15 stores in advance a system program for controlling the entire operation of the personal computer 10 and converts only one window data Wn (active window) selected and designated on the display screen into a video signal. A display control program for conversion output and monitor display, and other application programs corresponding to various functions are stored.

The RAM 16 has an input data memory for storing input data, a file data memory for storing data created using various application functions, and a display to be displayed on the liquid crystal display unit 13. A display data memory for storing data, a work memory serving as a work area for various data, a display control memory used when the display control program is started, and the like are provided.

FIG. 3 is a diagram showing a configuration of a data area of a display control memory provided in the RAM 16 of the personal computer 10. As shown in FIG.

The display control memory includes an external monitor 2
0, an external output data area 16a for storing the screen size (resolution m × n) of the display unit 21; each window data W1, W2 displayed on the liquid crystal display unit 13 from the file data memory to the display data memory; ,…
Window size data areas 16b1, 16b2,... For storing the respective screen sizes;
The window data area 16c in which each of the window data W1, W2,... To be displayed on the display unit 3 is expanded and appropriately adjusted and stored, and the screen size of the display unit 21 of the external monitor 20 stored in the external output data area 16a ( Virtual external device VRAM area 16d secured as a storage area for image data for external output according to the resolution (m × n)
Is prepared.

The output control unit 17 is provided in the virtual external device VRAM area 1 in the display control memory in the RAM 16.
The 6d image data is converted into a video signal and output from the video output terminal to the outside. The video signal output from the output control unit 17 is supplied to the external monitor 20 and is expanded in the VRAM area 16d. Is displayed on the display unit 21 and monitored.

Next, the display control function of the personal computer 10 and the external monitor 20 according to the above configuration will be described.

FIG. 4 is a view showing a state of calling and displaying a plurality of file data on the display screen of the personal computer 10. As shown in FIG.

FIG. 5 is a flowchart showing a display control process performed in the personal computer 10.

FIG. 6 is a flowchart showing an active window enlargement process accompanying the display control process of the personal computer 10.

As shown in FIG. 4A, among a large number of file data stored in the file data memory in the RAM 16, any file data to be monitored later by the external monitor 20, such as document data, And the table data are sequentially invoked by activating the respective applications and displayed on the liquid crystal display unit 13 as window data W1 and W2.
1, W2 are developed and stored in a window data area 16c in a display control memory in the RAM 16, and their respective screen sizes W1 (a × b), W2
(C × d) is the window size data area 16b1,1
6b2.

Here, when it is desired to output the window data W1 and W2 displayed on the liquid crystal display unit 13 one by one to the external monitor 20 and display them, the screen size of the display unit 21 of the external monitor 20 is changed. (Resolution mx
When n) is input by operating the keyboard 11, the resolution m × n of the input external monitor 20 is determined by the RAM 16
Output data area 1 in display control memory inside
6a (step S1).

When the user wants to monitor and display the window data W1 of the two window data W1 and W2 displayed on the liquid crystal display unit 13, the window data W1 is selected and designated as the active window by the pointer P. Then, the selected window data W1 is identified and displayed by being surrounded by a thick frame (Step S).
2).

Then, the storage area of the external output image data corresponding to the resolution m × n of the external monitor 20 stored in the external output data area 16a in step S1 is a virtual area in the display control memory in the RAM 16. It is secured in the external device VRAM area 16d (step S3).

The window data W1 selected as the active window is stored in the window data area 16 in the display control memory in the RAM 16.
c, and is enlarged on the work memory in the RAM 16 according to the screen size of the external monitor 20 (step S4, SA).

That is, in the process of enlarging the active window in FIG. 6, the screen size a × b of the window data W1 selected as the active window is read from the window size data area 16b1 as the active window size xxy. The horizontal ratio [m / x] and the vertical ratio [n / y] are calculated with respect to the screen size (resolution m × n) of the external monitor 20 read from the external output data area 16a (step). A1, A2).

Then, the ratio [m / x] in the horizontal direction calculated in step A2 and the ratio [n /
y], an enlargement magnification corresponding to the smaller ratio is set, and the window data W1 sampled as the active window is enlarged on the work memory (step A3).

As described above, by expanding the active window in accordance with the smaller ratio of the vertical and horizontal size of the active window and the vertical and horizontal size of the monitor screen, whichever is smaller, the original size of the active window is reduced. It is possible to perform the maximum enlargement to fit the monitor screen while maintaining the aspect ratio.

Then, the window data W1 of the active window enlarged and converted to the screen size of the external monitor 20 is stored in the virtual external device VRAM area 16
Then, the data is written into d, converted into a video signal by the output control unit 17, and output from the video output terminal to the external monitor 20 (step S5).

Thus, as shown in FIG. 1, for example, the window data W1 selected and designated as the active window on the display screen of the personal computer 10.
Only the image is enlarged and converted to be displayed on the display unit 21 of the external monitor 20 so as to match the screen size (resolution).

In this case, for example, as shown in FIG. 4B, an operation for calling another file data in the window data W1 selected and designated as the active window is performed in the personal computer 10. Even if the menu data M and the like are further displayed in a window, the file operation process is performed on an application for processing the window data W1 different from the display control process. The menu data M and the like are not written in the VRAM area 16d, and are not displayed in the window data W1 output and displayed on the external monitor 20.

Thereafter, as shown in FIG. 4 (C), when the window data W2 of the two window data W1 and W2 displayed on the liquid crystal display unit 13 is to be displayed next on the monitor, When the window data W2 is selected and designated as the next active window by the pointer P, the selected window data W2 is identified and displayed in a thick frame instead of the window data W1 (steps S6 → S2).

Then, similarly to the case where the window data W1 is selected and designated, the window data W2 of the active window enlarged and converted to the screen size of the external monitor 20 through the processing of steps S3 to S5 is obtained.
The data is written into the virtual external device VRAM area 16d, converted into a video signal by the output control unit 17, and output from the video output terminal to the external monitor 20.

As a result, only the window data W2 selected and designated as the active window next to the window data W1 is enlarged and converted on the display unit 21 of the external monitor 20 so as to match the screen size (resolution). Will be displayed.

Then, the personal computer 10
All window data W1, W2,
Are released from the selection of the active window for..., The series of display control processing is terminated, and a normal display monitor state is set (step S7 → END).

Therefore, according to the display control function of the personal computer 10 and the external monitor 20 having the above-described configuration, a plurality of file data to be monitored and displayed later is displayed on the liquid crystal display unit 13 of the personal computer 10 by the window data W1, W2, and W2. .., And any one of the window data Wn is set as a pointer P as an active window to be monitored and output.
The selected window data Wn is enlarged according to the display screen size (resolution) of the external monitor 20 which has been input in advance, and the display screen size (resolution) of the external monitor 20 is selected. Is written to the virtual external device VRAM area 16d, which is a storage area for the external output image data secured according to, converted into a video signal, output to the external monitor 20, and displayed.
Only the window data Wn selected as the active window on the liquid crystal display unit 13 can be displayed on the monitor. For example, on the presentation side, the user performs an operation such as searching for necessary file data on the display screen of the personal computer 10. However, the third party who views the monitor output can sequentially see only the file data necessary for the explanation.

In the above embodiment, when enlarging the window data Wn selected as the active window in the personal computer 10 according to the screen size (resolution) of the external monitor 20, the vertical and horizontal sizes of the active window and the monitor Enlargement processing is performed in accordance with the smaller ratio of the height and width of the screen to the height or width, and the maximum expansion that fits the monitor screen is maintained while maintaining the original aspect ratio of the active window. However, even if the original aspect ratio of the active window is lost, the enlargement process may be simply performed so as to match the vertical and horizontal screen size of the external monitor 20.

Further, the external monitor 2 in the above-described embodiment is used.
0 may be any of various other display devices such as a projector device.

The methods described in the above embodiment, that is, the respective methods such as the display control processing and the accompanying active window enlargement processing in the personal computer 10 shown in the flowcharts of FIGS. 5 and 6 are executed by the computer. The program that can be stored in an external recording medium 15a such as a memory card (ROM card, RAM card, etc.), a magnetic disk (floppy disk, hard disk, etc.), an optical disk (CD-ROM, DVD, etc.), a semiconductor memory, etc. Can be distributed. Then, the computer reads the program recorded on the external recording medium 15a by a recording medium reading unit such as a magnetic disk device, and the operation is controlled by the read program, whereby
Realizing the display control function described in the embodiment,
The same active window monitoring process can be executed by the above-described method.

[0048]

As described above, according to the display control apparatus of the present invention, when an arbitrary window is selected from a plurality of windows displayed on the display screen by the window display means, the data of the selected window is displayed. Since only the data is output to an external display device and displayed on a monitor, even if a plurality of windows and other data are displayed on the display screen, only the windows necessary for the monitor can be output.

Therefore, it is possible to output only necessary screen data among a plurality of screen data to be displayed.

[Brief description of the drawings]

FIG. 1 is an exemplary view showing an external configuration of a laptop personal computer and an external monitor according to an embodiment of a display control device of the present invention.

FIG. 2 is an exemplary block diagram showing a configuration of an electronic circuit of the personal computer.

FIG. 3 is a diagram showing a configuration of a data area of a display control memory provided in a RAM of the personal computer.

FIG. 4 is an exemplary view showing a calling display state of a plurality of file data on a display screen of the personal computer.

FIG. 5 is a flowchart showing a display control process performed in the personal computer.

FIG. 6 is a flowchart showing an active window enlarging process accompanying the display control process of the personal computer.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 ... Laptop type personal computer, 11 ... Keyboard, 12 ... Mouse, 13 ... Liquid crystal display part, 14 ... Control part (CPU), 15 ... Storage device, 15a ... External recording medium, 16 ... RAM, 16a ... External output data Area, 16b1, 16b2 ... window size data area, 16c ... window data area, 16d ... virtual external device VRAM area, 17 ... output control device, 20 ... external monitor, 21 ... display unit, P ... pointer, W1, W2 ... window data.

Claims (4)

[Claims] 1. Window display means for displaying data of a window on a display screen, window selection means for selecting an arbitrary window from a plurality of windows displayed on the display screen by the window display means, and window selection means Output means for outputting data of the window selected by (1) to an external display device. 2. A data conversion means for converting data of a window selected by the window selection means according to a display size of an external display device, wherein the output means is converted by the data conversion means. The display control device according to claim 1, wherein the display control device is an output unit that outputs window data to the external display device. 3. The data conversion unit includes: a ratio calculation unit that calculates a ratio between a vertical and horizontal size of data of a window selected by the window selecting unit and a vertical and horizontal display size of an external display device. Data conversion means for converting the data size of the window selected by the window selection means in accordance with the smaller one of the vertical and horizontal size ratios calculated by the ratio calculation means. Claim 2
3. The display control device according to 1. 4. A recording medium on which a display control program for controlling a computer of a display control device is recorded, wherein said computer displays window data on a display screen by said window display means. Computer functioning as window selection means for selecting any one of a plurality of windows displayed on the screen, and output means for outputting data of the window selected by the window selection means to an external display device. A recording medium on which a readable display control program is recorded.