CN109213465B - Multi-display identification method and system for education operation system - Google Patents
Multi-display identification method and system for education operation system Download PDFInfo
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- CN109213465B CN109213465B CN201811120078.1A CN201811120078A CN109213465B CN 109213465 B CN109213465 B CN 109213465B CN 201811120078 A CN201811120078 A CN 201811120078A CN 109213465 B CN109213465 B CN 109213465B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
- G06F3/1423—Digital output to display device ; Cooperation and interconnection of the display device with other functional units controlling a plurality of local displays, e.g. CRT and flat panel display
Abstract
The invention discloses a multi-display identification method and a multi-display identification system for an educational operating system, wherein the multi-display comprises a main display and a plurality of auxiliary displays; the method comprises the following steps: after detecting that the system is started, acquiring and storing EDID information of all displays; analyzing the EDID information to obtain parameter information of the display; generating a display identifier of the display according to the parameter information; and when the display setting instruction is detected, controlling the display of the corresponding display identification on the display screen corresponding to each display. According to the invention, the display information of the plurality of displays is obtained, the display identification is displayed on the main display when the main display sets and displays the display sequence of each display, the display sequence of each display can be adjusted without multiple attempts, the operation is convenient and rapid, the trial and error times are reduced, and the operation efficiency is improved.
Description
Technical Field
The invention relates to the technical field of communication, in particular to a multi-display identification method and a multi-display identification system for an educational operating system.
Background
An educational operating system is an educational system running on a computer device. While computer devices often interface with a display. For example, the computer device may be coupled with and/or include a display. Conventional computer devices typically output the corresponding content on a display. With the development of technology, a computer device can be externally connected with other displays besides a built-in display.
However, when the computer device in the prior art is externally connected with other displays, the positions of the external display and the internal display need to be set, and the display sequence of the external display and the internal display can be determined only after the setting result needs to be repeatedly set and checked because the names of the external display and the internal display cannot be obtained in the setting process, so that errors are easily caused in the display.
Accordingly, the prior art is yet to be improved and developed.
Disclosure of Invention
In view of the above-mentioned deficiencies of the prior art, an object of the present invention is to provide a method and a system for identifying multiple displays for an educational operating system, which are used to solve the problems in the prior art that when a computer device is externally connected with a display, the name of the display cannot be obtained, and the display sequence of the display is set to be complicated.
The technical scheme of the invention is as follows:
a multi-display identification method for an educational operating system, the multi-display comprising a master display and a plurality of slave displays, the method comprising:
after detecting that the system is started, acquiring and storing EDID information of all displays;
analyzing the EDID information to obtain parameter information of the display;
generating a display identifier of the display according to the parameter information;
and when the display setting instruction is detected, controlling the display of the corresponding display identification on the display screen corresponding to each display.
Optionally, the parameter information of the display comprises a brand, a model, a size and an identifier of the display.
Optionally, the generating a display identifier of the display according to the parameter information includes:
and generating display identification of the display according to the brand of the display and the size of the display.
Optionally, when the display setting instruction is detected, controlling to display a corresponding display identifier on a display screen corresponding to each display includes:
and when the display setting instruction is detected, controlling the corresponding display identification to be displayed in the designated area on the display screen corresponding to each display.
Optionally, when the display setting instruction is detected, controlling to display a corresponding display identifier on a display screen corresponding to each display includes:
when a display setting instruction is detected, acquiring the resolution of a main display and the resolution of a slave display;
calculating the coordinate range of the designated area on the main display according to the resolution of the main display, and displaying the display identifier of the main display in the coordinate range of the designated area on the main display;
and calculating the coordinate range of the designated area on the slave display according to the resolution of the slave display, and displaying the display identifier of the slave display in the coordinate range of the designated area on the slave display.
Optionally, the designated area of the main display is located at the upper left corner of the main display; the designated area of the slave display is located in the upper left corner of the slave display.
Optionally, when the display setting instruction is detected, after controlling to display the corresponding display identifier on the display screen corresponding to each display, the method further includes:
and setting a display identifier to be always displayed on the uppermost layer of the display area.
Yet another embodiment of the present invention also provides a multi-display identification system for an educational operating system, the system comprising at least one processor; and the number of the first and second groups,
a memory communicatively coupled to the at least one processor; wherein the content of the first and second substances,
the memory stores instructions executable by the at least one processor to enable the at least one processor to perform the above-described multi-display identification method for an educational operating system.
Yet another embodiment of the present invention provides a non-transitory computer-readable storage medium, wherein the non-transitory computer-readable storage medium stores computer-executable instructions, which when executed by one or more processors, cause the one or more processors to perform the above-mentioned multi-display identification method for an educational operating system.
Another embodiment of the present invention provides a computer program product comprising a computer program stored on a non-volatile computer-readable storage medium, the computer program comprising program instructions that, when executed by a processor, cause the processor to perform the above-described multi-display identification method for an educational operating system.
Has the advantages that: the embodiment of the invention can realize that the display sequence of each display can be adjusted without multiple attempts by acquiring the display information of a plurality of displays and displaying the display sequence of each display on the main display when the main display sets and displays the display sequence of each display, thereby being convenient and quick, reducing the trial and error times and improving the operation efficiency.
Drawings
The invention will be further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a flow chart of a preferred embodiment of a multi-display identification method for an educational operating system;
FIG. 2 is a diagram of a hardware structure of a multi-display identification system for an educational operating system according to a preferred embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and effects of the present invention clearer and clearer, the present invention is described in further detail below. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. Embodiments of the present invention will be described below with reference to the accompanying drawings.
Referring to fig. 1, fig. 1 is a flowchart illustrating a multi-display identification method for an educational operating system according to a preferred embodiment of the present invention. The multi-display comprises a main display and a plurality of slave displays, as shown in fig. 1, and comprises the following steps:
s100, after detecting that the system is started, acquiring and storing EDID information of all displays;
s200, analyzing the EDID information to obtain parameter information of the display;
step S300, generating a display identifier of the display according to the parameter information;
and S400, when a display setting instruction is detected, controlling the display of corresponding display marks on the display screen corresponding to each display.
In specific implementation, the education operation system in the embodiment of the invention refers to a system with education resources, and can run in a windows system and a linux system. The multi-display identification method for the educational operating system is used for computers including but not limited to notebook computers and desktop computers. If the notebook computer is the notebook computer, after the notebook computer is connected with a plurality of other displays, the display of the notebook computer is the main display, and the other displays are the auxiliary displays. If the desktop computer is connected with a plurality of displays, one display is set as a main display by the desktop computer host, and the other displays are slave displays.
In step S100, taking the notebook computer connected to other displays as an example, after the educational operating system is started, the host of the notebook computer respectively obtains EDID (Extended Display Identification Data) information of the main Display and the slave Display, where the EDID is a VESA standard Data format and is composed of 128 bytes, and the EDID is roughly divided as follows:
0-7: header information, 8 bytes, consisting of 00 FF FF FF FF FF FF 00;
8-9: a vendor ID;
10-11: a product ID;
12-15: a 32-bit sequence number;
16-17: a date of manufacture;
18-19: EDID version;
20-24: basic information of the display (power, maximum height, width);
25-34: a color characteristic of the display;
35-37: basic timing, resolution of the display;
38-53: standard timing and timing of the display;
54-125: detailed timing and timing of the display;
126: the extended flag bit, EDID-1.3 version needs to be ignored, is set to 0;
127: the verification values are summed.
The notebook computer acquires the EDID information of the main display and the auxiliary display and then stores the EDID information in the corresponding storage space.
Step S200, after obtaining the EDID information, the notebook computer analyzes the EDID information to obtain parameter information of the display, wherein the parameter information of the display includes but is not limited to the brand, model, size and identifier of the display.
In step S300, the notebook computer may extract one or two parameters as display identifiers of the display according to the obtained parameter information of the main display and all the slave displays, so that a user may conveniently and quickly obtain a corresponding sequence of the display screen. For example, the brand and size may be selected to generate a display identification for the display.
In step S400, when a display setting instruction is detected, where the display setting instruction is an instruction for adjusting a display order between the master display and the slave display or adjusting a display order between the slave display and the master display, after the notebook computer enters a display interface between the master display and the slave display, corresponding display identifiers are displayed on display screens corresponding to the master display and the slave display displayed on the display interface.
Further, step S300 includes:
and generating display identification of the display according to the brand of the display and the size of the display.
In particular, the brand name and size of each display can be spliced together to serve as the display identifier of the display as a whole. For example, if the display is associative, and the size is 21, the display is identified as associative 21. Through the brand name and the size, a user can quickly correspond each display in the main display in the display sequence to the actual display, and the sequence is convenient to adjust.
Further, step S400 includes:
and when the display setting instruction is detected, controlling the corresponding display identification to be displayed in the designated area on the display screen corresponding to each display.
In specific implementation, when the adjustment of the display sequence of each display is detected, the display identifier should be displayed in a designated area on the display screen. The designated area may be four corners of the display, i.e., the top left corner, the bottom left corner, the top right corner, and the bottom right corner of the display, or may be a central location of the display.
Further, when a display setting instruction is detected, controlling to display a corresponding display identifier on a display screen corresponding to each display, including:
when a display setting instruction is detected, acquiring the resolution of a main display and the resolution of a slave display;
calculating the coordinate range of the designated area on the main display according to the resolution of the main display, and displaying the display identifier of the main display in the coordinate range of the designated area on the main display;
and calculating the coordinate range of the designated area on the slave display according to the resolution of the slave display, and displaying the display identifier of the slave display in the coordinate range of the designated area on the slave display.
In specific implementation, when a display order adjusting instruction of the display is detected, the notebook computer obtains the resolution of the main display and the resolution of the slave display, respectively calculates coordinate information in the main display of the notebook computer and the coordinate information of the slave display, obtains a preset specified area displayed by the display identifier, and obtains the coordinate range of the specified area according to the coordinate information. And displaying the display identifier of the main display in the coordinate range of the main display, and displaying the corresponding display identifier of the slave display in the coordinate range of the slave display.
Further, the designated area of the main display is located at the upper left corner of the main display; the designated area of the slave display is located in the upper left corner of the slave display.
In specific implementation, because the sequence of watching the display content on the display is from top to bottom and from left to right, the designated area is arranged at the upper left corner of the display, so that a user can conveniently and quickly identify the display identifier of the designated area.
Further, step S400 is followed by:
and setting a display identifier to be always displayed on the uppermost layer of the display area.
In specific implementation, in order to facilitate a user to quickly acquire the display identifier, the priority of the display identifier preset by the user is the highest. No matter what content is currently displayed on the main display or the slave display, when the user is detected to adjust the display sequence, the display identifier is displayed at the top of the display screen and is not blocked by other windows.
The invention also provides a specific embodiment of the multi-display identification method for the educational operating system, the notebook is connected with the external display, the display setting is opened, the corresponding name of the current display automatically appears at the upper left corner of each display, and the user is clear at a glance by combining the setting interface.
As described below:
the method comprises the following specific implementation steps:
when the user notebook is connected with the external display, the system can automatically acquire and store EDID (binary information of the display) information of the display. By analyzing the EDID data, information such as the brand, model, size, identifier, and the like of the display can be obtained.
And then the brand information and the size information are spliced together to be used as an identifier for prompting a user.
And then respectively calculating the position coordinates of the upper left corners of the built-in display and the external display by reading the resolution and the front-back sequence of the two current displays.
The position coordinates of the upper left corner will be recalculated each time the order of the display is adjusted, ensuring correct correspondence of the identification and the display.
And finally, displaying the corresponding identification on the corresponding coordinate, and setting the priority of the identification to be the highest, so that the identification cannot be shielded by other windows.
In some other embodiments, the markers may also be displayed at the four corners of the display by calculating the coordinates of the four corners of the two displays. In the embodiment, the user can quickly distinguish the corresponding marks of different displays, the sequence is adjusted without trying for many times, the operation is convenient and quick, the trial and error times are reduced, and the operation accuracy is greatly improved.
Another embodiment of the present invention provides a multi-display identification system for an educational operating system, as shown in fig. 2, the system 10 comprising:
one or more processors 110 and a memory 120, where one processor 110 is illustrated in fig. 2, the processor 110 and the memory 120 may be connected by a bus or other means, and the connection by the bus is illustrated in fig. 2.
The memory 120, which is a non-volatile computer-readable storage medium, may be used to store non-volatile software programs, non-volatile computer-executable programs, and modules, such as program instructions corresponding to the multi-display identification method for an educational operating system in the embodiment of the present invention. The processor 110 executes various functional applications and data processing of the system 10, i.e., implements the multi-display identification method for an educational operating system in the above-described method embodiments, by executing the non-volatile software programs, instructions, and units stored in the memory 120.
The memory 120 may include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function; the storage data area may store data created according to the use of the system 10, and the like. Further, the memory 120 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other non-volatile solid state storage device. In some embodiments, memory 120 optionally includes memory located remotely from processor 110, which may be connected to system 10 via a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
One or more units are stored in the memory 120, and when executed by the one or more processors 110, perform the multi-display identification method for an educational operating system in any of the method embodiments described above, e.g., performing the method steps S100-S400 in fig. 1 described above.
Embodiments of the present invention provide a non-transitory computer-readable storage medium storing computer-executable instructions for execution by one or more processors, e.g., to perform method steps S100-S400 of fig. 1 described above.
By way of example, non-volatile storage media can include read-only memory (ROM), Programmable ROM (PROM), Electrically Programmable ROM (EPROM), electrically erasable ROM (EEPROM), or flash memory. Volatile memory can include Random Access Memory (RAM), which acts as external cache memory. By way of illustration and not limitation, RAM is available in many forms such as Synchronous RAM (SRAM), dynamic RAM, (DRAM), Synchronous DRAM (SDRAM), double data rate SDRAM (DDR SDRAM), Enhanced SDRAM (ESDRAM), Synchlink DRAM (SLDRAM), and Direct Rambus RAM (DRRAM). The disclosed memory components or memory of the operating environment described herein are intended to comprise one or more of these and/or any other suitable types of memory.
Another embodiment of the present invention provides a computer program product comprising a computer program stored on a non-volatile computer-readable storage medium, the computer program comprising program instructions which, when executed by a processor, cause the processor to perform the multi-display identification method for an educational operating system of the above method embodiment. For example, the method steps S100 to S400 in fig. 1 described above are performed.
The above-described embodiments are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules can be selected according to actual needs to achieve the purpose of the scheme of the embodiment.
Through the above description of the embodiments, those skilled in the art will clearly understand that the embodiments may be implemented by software plus a general hardware platform, and may also be implemented by hardware. With this in mind, the above-described technical solutions may be embodied in the form of a software product, which can be stored in a computer-readable storage medium, such as ROM/RAM, magnetic disk, optical disk, etc., and includes instructions for causing a computer electronic device (which may be a personal computer, a server, or a network electronic device, etc.) to execute the methods of the various embodiments or some parts of the embodiments.
Conditional language such as "can," "might," or "may" is generally intended to convey that a particular embodiment can include (yet other embodiments do not include) particular features, elements, and/or operations, among others, unless specifically stated otherwise or otherwise understood within the context as used. Thus, such conditional language is not generally intended to imply that features, elements, and/or operations are in any way required for one or more embodiments or that one or more embodiments necessarily include logic for deciding, with or without student input or prompting, whether such features, elements, and/or operations are included or are to be performed in any particular embodiment.
What has been described herein in this specification and the accompanying drawings includes examples that enable intelligent cabinet customization methods and systems to be provided. It will, of course, not be possible to describe every conceivable combination of components and/or methodologies for purposes of describing the various features of the disclosure, but it can be appreciated that many further combinations and permutations of the disclosed features are possible. It is therefore evident that various modifications can be made to the disclosure without departing from the scope or spirit thereof. In addition, or in the alternative, other embodiments of the disclosure may be apparent from consideration of the specification and drawings and from practice of the disclosure as presented herein. It is intended that the examples set forth in this specification and the drawings be considered in all respects as illustrative and not restrictive. Although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.
Claims (6)
1. A method for identifying multiple displays for an educational operating system, wherein the multiple displays comprise a master display and a plurality of slave displays, the method comprising:
after detecting that the system is started, acquiring and storing EDID information of all displays;
analyzing the EDID information to obtain parameter information of the display;
generating a display identifier of the display according to the parameter information;
when a display setting instruction is detected, controlling display of corresponding display identification on a display screen corresponding to each display;
when a display setting instruction is detected, controlling to display corresponding display identification on a display screen corresponding to each display, including:
when a display setting instruction is detected, controlling a corresponding display identifier to be displayed in a designated area on a display screen corresponding to each display;
specifically, the method comprises the following steps: when a display setting instruction is detected, acquiring the resolution of a main display and the resolution of a slave display;
calculating the coordinate range of the designated area on the main display according to the resolution of the main display, and displaying the display identifier of the main display in the coordinate range of the designated area on the main display;
calculating a coordinate range of a designated area on the slave display according to the resolution of the slave display, and displaying a display identifier of the slave display in the coordinate range of the designated area on the slave display;
the designated area of the main display is positioned at the upper left corner of the main display; the designated area of the slave display is positioned at the upper left corner of the slave display;
and setting a display identifier to be always displayed on the uppermost layer of the display area.
2. The multi-display identification method for an educational operating system according to claim 1, wherein the parameter information of the display comprises a brand, a model, a size, and an identifier of the display.
3. The method of claim 2, wherein generating display identification of a display based on the parameter information comprises:
and generating display identification of the display according to the brand of the display and the size of the display.
4. A multi-display identification system for an educational operating system, the system comprising at least one processor; and the number of the first and second groups,
a memory communicatively coupled to the at least one processor; wherein the content of the first and second substances,
the memory stores instructions executable by the at least one processor to enable the at least one processor to perform the method of any one of claims 1-3 for multiple display identification for an educational operating system.
5. A non-transitory computer-readable storage medium storing computer-executable instructions that, when executed by one or more processors, cause the one or more processors to perform the method for multi-display identification for an educational operating system of any of claims 1-3.
6. A computer program product comprising a computer program stored on a non-transitory computer readable storage medium, the computer program comprising program instructions that, when executed by a processor, cause the processor to perform the multi-display identification method for an educational operating system of any of claims 1-3.
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| CN109885270B (en) * | 2019-02-28 | 2020-11-10 | 京东方科技集团股份有限公司 | Display device control method, display device, and storage medium |
| CN112735283B (en) | 2019-10-28 | 2023-04-14 | 奥图码股份有限公司 | Display method and display system |
| CN111324326B (en) * | 2020-02-20 | 2023-12-05 | 深圳震有科技股份有限公司 | Processing method and device for displaying software to one machine with multiple screens |
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| CN108320667A (en) * | 2018-02-23 | 2018-07-24 | 珠海格力电器股份有限公司 | Identification display method, mark show equipment and server |
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| CN101819761A (en) * | 2010-04-16 | 2010-09-01 | 华为终端有限公司 | Equipment information display method, system and related equipment |
| CN103150134A (en) * | 2013-03-26 | 2013-06-12 | 深圳市杰和科技发展有限公司 | System and method for multi-screen display switching |
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