CN108519900B - Display window control method and device and server - Google Patents
Display window control method and device and server Download PDFInfo
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- CN108519900B CN108519900B CN201810266804.4A CN201810266804A CN108519900B CN 108519900 B CN108519900 B CN 108519900B CN 201810266804 A CN201810266804 A CN 201810266804A CN 108519900 B CN108519900 B CN 108519900B
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Abstract
The application provides a display window control method, a display window control device and a server, wherein the server is provided with a virtual machine for providing virtual desktop service for a user terminal; the method comprises the following steps: acquiring a window stacking relation on a virtual desktop provided by a virtual machine for a user terminal, and determining a display area of a multimedia redirection window according to the window stacking relation; controlling the user terminal to display the multimedia data in the display area; detecting a switching event of the virtual desktop; and when the switching event is detected, controlling the user terminal to hide the multimedia redirection display window. Therefore, when the desktop is switched, the situation that the newly switched virtual desktop is shielded by the multimedia redirection display window on the user terminal can be prevented, and the user experience is enhanced.
Description
Technical Field
The application relates to a virtual desktop infrastructure, in particular to a display window control method, a display window control device and a server.
Background
The virtual Desktop (Desktop Virtualization) technology can be used for virtualizing an interactive Desktop when an operating system and an application program are configured in a virtual machine of a cloud server or a data center, and a user is connected with the virtual Desktop through a client to perform remote control, so that the user can access the virtual Desktop as if accessing a Desktop of a local operating system.
The user may need to play multimedia data in a scene using the virtual desktop. In order to reduce the decoding burden of the server when playing multimedia data, in the prior art, a multimedia redirection (MMR) technology is often adopted for playing video in a virtual desktop scene, so as to Redirect the video data to a client, and the client performs video decoding playing. Thus, compared with the original mode that the CPU of the server decodes the multimedia data and sends the image to the client for display, the MMR technology can effectively reduce the load of the server. In the MMR technology, a window displaying a video on a client is independent of an operating system running on a server, so that the window displaying the video on the client may block a virtual desktop when some operations are performed, thereby affecting user experience.
Disclosure of Invention
In a first aspect, the present application provides a display window control method, which is applied to a server, where the server is in communication connection with a user terminal and provides a virtual desktop service for the user terminal; the method comprises the following steps:
acquiring a window stacking relation on a virtual desktop provided for a user terminal, and determining a display area for displaying multimedia data according to the window stacking relation;
controlling the user terminal to generate a multimedia redirection display window according to the display area, and analyzing and displaying undecoded multimedia data acquired by the user terminal from the server or multimedia data acquired from a third-party data source in the multimedia redirection display window;
detecting a switching event of the virtual desktop;
and when the switching event is detected, controlling the user terminal to hide the multimedia redirection display window.
In a second aspect, the present application provides a display window control apparatus, which is applied to a server, where the server is in communication connection with a user terminal, and provides a virtual desktop service for the user terminal; the device comprises:
the system comprises a stacking relation acquisition module, a display module and a display module, wherein the stacking relation acquisition module is used for acquiring a window stacking relation on a virtual desktop provided for a user terminal and determining a display area for displaying multimedia data according to the window stacking relation;
the first window control module is used for controlling the user terminal to generate a multimedia redirection display window according to the display area, and analyzing and displaying undecoded multimedia data acquired by the user terminal from the server or multimedia data acquired from a third-party data source in the multimedia redirection display window;
the event detection module is used for detecting a switching event of the virtual desktop;
and the second window control module is used for controlling the user terminal to hide the multimedia redirection display window when the switching event is detected.
In a third aspect, the present application provides a server, including a processor and a machine-readable storage medium, where the machine-readable storage medium stores machine-executable instructions executable by the processor, and the processor executes the machine-executable instructions to perform the display window control method provided in the present application.
In a fourth aspect, the present application provides a machine-readable storage medium having stored thereon machine-executable instructions that, when invoked and executed by a processor, cause the processor to implement the display window control method provided herein.
Compared with the prior art, the method has the following beneficial effects:
according to the display window control method, the display window control device and the server, in the multimedia redirection scene of the virtual desktop, the user terminal is controlled to hide the multimedia redirection display window when the virtual desktop switching event is detected, so that the situation that the multimedia redirection display window on the user terminal shields a newly switched virtual desktop when the desktop is switched can be prevented, and user experience is enhanced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.
FIG. 1 is one illustration of an application scenario in which a virtual desktop is redirected using multimedia;
FIG. 2 is a second schematic diagram of an application scenario in which a virtual desktop is redirected by multimedia;
fig. 3 is a block diagram illustrating a server according to an embodiment of the present disclosure;
fig. 4 is a schematic flowchart illustrating steps of a display window control method according to an embodiment of the present application;
fig. 5 is a schematic functional block diagram of a display window control apparatus according to an embodiment of the present application.
Icon: 100-a server; 110-display window control means; 111-a stacking relation obtaining module; 112-a first window control module; 113-event detection module; 114-a second window control module; 115-motion detection module; 120-a memory; 130-a processor; 140-a communication unit; 200-a user terminal; 300-third party data sources.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present application, it is further noted that, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
Referring to fig. 1, the architecture for implementing a virtual desktop includes a server 100 and a user terminal 200 capable of communicating with the server 100. The server 100 may be an independent device with data processing capability, or may be a server 100 cluster or data center composed of multiple devices. The user terminal 200 may be an electronic device capable of implementing human-computer interaction and having a communication capability, such as a smart phone, a Personal Computer (PC), a tablet PC, a Personal Digital Assistant (PDA), a Mobile Internet Device (MID), a Thin terminal (Thin Client), and the like.
The server 100 may provide a Virtual desktop service for the user terminal 200, for example, a Virtual Machine (VM) may be configured on the server 100, and an operating system or an application program may be run on the VM to provide a Virtual desktop. A user may establish a connection with the virtual machine through a Client (Client) configured on the user terminal 200, and perform remote control on the virtual desktop, so that the user may access the virtual desktop as if accessing a desktop provided by a local operating system.
In order to reduce the decoding pressure of the server 100, an MMR technique is often used in some embodiments to redirect multimedia data to the user terminal 200 for decoding and playing by the user terminal 200. For example, upon receiving a video play request, the server 100 may directly transmit an undecoded multimedia data file stored locally or received in real time to the user terminal 200, as shown in fig. 1. The server 100 may also inform the user terminal 200 to obtain multimedia data from a third party data source 300, as shown in fig. 2.
The inventor finds that, in some virtual desktop usage scenarios adopting the MMR technology, in order to make the user not perceive the MMR action and improve the user experience, it is necessary to control the multimedia redirection display window on the user terminal 200 to correspond to the actual player window on the virtual desktop. For example, when receiving a video playing request, the server 100 starts a native multimedia player on the virtual desktop, but does not use the native multimedia player for video decoding playing. But controls the user terminal 200 to generate a corresponding multimedia redirection display window according to the size and position of the local multimedia player window. The user terminal 200 displays a video image on the multimedia redirection display window after decoding the redirected multimedia data.
In order to determine the actual display area of the multimedia redirection display window, the server 100 obtains the stacking relationship of the windows on the virtual desktop. For example, the server 100 may obtain the size and position information of each window on the virtual desktop, and calculate the stacking relationship of each window according to the size and position information of each window. Then, a display area visible to the multimedia redirection window is determined according to the stacking relationship, and then the user terminal 200 is controlled to display multimedia data in the display area.
However, the inventor has found that in the above scenario, the virtual desktop may provide a plurality of sub-desktops, and the user may switch between different sub-desktops when using the virtual desktop, for example, in the Windows10 system, the sub-desktops are switched by the win key + Tab key. When the multimedia redirection display window is opened on a sub desktop, the stacking relation of the windows is determined according to the opened window on the sub desktop. When the desktop is switched from the sub desktop to another sub desktop, the display area visible by the multimedia redirection display window cannot be correctly determined due to the change of the calculation basis of the window stacking relation, so that the newly switched desktop may be blocked by the multimedia redirection display window.
Based on the above-mentioned drawbacks, in this embodiment, a solution is provided to solve the problem that the desktop switching action causes the newly cut desktop to be blocked in the above-mentioned scenario, and the solution of this embodiment is described in detail below.
The defects existing in the above solutions are the results obtained after the inventor has practiced and studied carefully, so the discovery process of the above problems and the solutions proposed by the following embodiments of the present invention to the above problems should be the contribution of the inventor to the present invention in the process of the present invention.
First, referring to fig. 3, the present embodiment provides a server 100 shown in fig. 1, where the server 100 includes a display window control device 110, a memory 120, a processor 130, and a communication unit 140.
The elements of the memory 120, the processor 130 and the communication unit 140 are electrically connected to each other directly or indirectly to realize data transmission or interaction. For example, the components may be electrically connected to each other via one or more communication buses or signal lines. The display window control device 110 includes at least one software function module which can be stored in the memory 120 in the form of software or Firmware (Firmware) or solidified in an Operating System (OS) of the server 100. The processor 130 is used for executing executable modules stored in the memory 120, such as software functional modules and computer programs included in the display window control device 110.
The Memory 120 may be, but is not limited to, a Random Access Memory (RAM), a Read Only Memory (ROM), a Programmable Read-Only Memory (PROM), an Erasable Read-Only Memory (EPROM), an electrically Erasable Read-Only Memory (EEPROM), and the like. The memory 120 stores machine-executable instructions, and the processor 130 executes or calls the instructions after receiving the execution instructions. The communication unit 140 is configured to establish a communication connection between the server 100 and the user terminal 200 through the network.
The processor 130 may be an integrated circuit chip having signal processing capabilities. The Processor 130 may be a general-purpose Processor, including a Central Processing Unit (CPU), a Network Processor 130 (NP), and the like; but may also be a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other programmable logic device, discrete gate or transistor logic device, discrete hardware components. The various methods, steps, and logic blocks disclosed in the embodiments of the present application may be implemented or performed. A general purpose processor may be a microprocessor or the processor 130 may be any conventional processor or the like.
Referring to fig. 4, the present embodiment provides a display window control method applied to the server 100 shown in fig. 1, wherein each step in the display window control method may be executed by the server 100 or a virtual machine configured in the server 100. The individual steps of the method are explained in detail below.
Step S110, obtaining a window stacking relationship on a virtual desktop provided by the virtual machine for the user terminal 200, and determining a display area of the multimedia data redirection display window according to the window stacking relationship.
Step S120, controlling the user terminal 200 to display the multimedia data in the display area.
Wherein the multimedia data may be an undecoded multimedia data file stored locally by the server 100 or received in real time, as shown in fig. 1. The multimedia data may also be the multimedia data that the server 100 notifies the user terminal 200 of the acquisition from the third party data source 300, as shown in fig. 2.
In this embodiment, the virtual machine may cyclically perform steps S110 and S120, and accurately determine the size and the position of the display area of the multimedia redirection display window in time.
Step S130, detecting a switching event of the virtual desktop.
In this embodiment, the virtual machine may be preconfigured with a handle corresponding to the switching event, and the handle is set to an activated state by a system when the virtual desktop is switched on the virtual machine.
The server 100 determines whether the virtual desktop generates desktop switching by detecting whether the switching event handler is in an activated state. And if the switching event handler is in an excitation state, indicating that the switching event is detected.
Optionally, in this embodiment, the handover event may be triggered by an operation on the user terminal 200. For example, the user presses the win key + Tab key on the user terminal 200 to operate the switching sub-desktop, or the user simultaneously presses the ALT + DEL + CTRL combination key on the user terminal 200 to call up the login desktop.
Optionally, in this embodiment, the switching event may also be actively generated by the virtual machine on the server 100 according to some trigger conditions and/or preset control logic.
Step S140, when the switching event is detected, controlling the user terminal 200 to hide the multimedia redirection display window.
In this embodiment, when the server 100 detects the switching event, it obtains a window handle of a multimedia redirection display window opened on the user terminal 200. The window handle may be a handle corresponding to the multimedia redirection window.
And sending a hiding instruction for the multimedia redirection display window to the user terminal 200 according to the window handle, and controlling the user terminal 200 to hide the multimedia redirection display window corresponding to the window handle.
In this way, after the virtual desktop is switched to a desktop, the user terminal 200 automatically hides the multimedia redirection display window, and prevents the multimedia redirection display window from blocking a newly cut desktop.
Meanwhile, the server 100 minimizes a local multimedia player window of the server 100 when the handover event is detected. So that the window state on the virtual desktop is synchronized with the window state displayed on the user terminal 200.
In this embodiment, the server 100 may cyclically execute step S130 and step S140, and accurately obtain the switching event of the virtual desktop in time, and timely control the user terminal 200 to hide the multimedia redirection display window.
Referring to fig. 4, the present embodiment further provides a display window control apparatus 110, which is applied to the server 100 shown in fig. 1, wherein the server 100 may be in communication connection with the user terminal 200 to provide a virtual desktop service for the user terminal 200, and the apparatus includes a stacking relation obtaining module 111, a first window control module 112, an event detecting module 113, and a second window control module 114.
The stacking relation obtaining module 111 is configured to obtain a window stacking relation on a virtual desktop provided by the virtual machine for the user terminal 200, and determine a display area of the multimedia redirection display window according to the window stacking relation.
In this embodiment, the stacking relationship obtaining module 111 may be configured to execute step S110 shown in fig. 2, and for a detailed description of the stacking relationship obtaining module 111, reference may be made to the description of step S110.
The first window control module 112 is configured to control the user terminal 200 to display multimedia data in the multi-display area.
In this embodiment, the first window control module 112 may be configured to execute the step S120 shown in fig. 2, and the detailed description about the first window control module 112 may refer to the description about the step S120.
The event detection module 113 is configured to detect a switching event of the virtual desktop;
in this embodiment, the event detection module 113 may be configured to execute step S130 shown in fig. 2, and the detailed description about the event detection module 113 may refer to the description about step S130.
The second window control module 114 is configured to control the user terminal 200 to hide the multimedia redirection display window when the handover event is detected.
In this embodiment, the second window control module 114 may be configured to execute step S140 shown in fig. 2, and reference may be made to the description of step S140 for the detailed description of the second window control module 114.
Optionally, in this embodiment, the second window control module 114 is further configured to minimize a native multimedia player window of the server 100 when the switching event is detected.
Optionally, referring to fig. 5 again, in this embodiment, a switching event handler for identifying whether to generate a switching event of the virtual desktop is preset in the server 100; the apparatus further comprises a motion detection module 115.
The manner of detecting the handover event by the event detection module 113 may be to detect whether the handover event handler is in an activated state, and if the handover event handler is in the activated state, it indicates that the handover event is detected.
Optionally, in this embodiment, when the second detection module sends a window hiding instruction to the user terminal 200, a window handle of a multimedia redirection display window opened on the user terminal 200 is obtained first. Then, according to the window handle, a hiding instruction for the multimedia redirection display window is sent to the user terminal 200, and the user terminal 200 is controlled to hide the multimedia redirection display window corresponding to the window handle.
In summary, according to the display window control method, the display window control device and the server provided by the application, in the multimedia redirection scene of the virtual desktop, the user terminal is controlled to hide the multimedia redirection display window when the virtual desktop switching event is detected, so that the situation that the newly switched virtual desktop is shielded by the multimedia redirection display window on the user terminal when the desktop is switched can be prevented, and the user experience is enhanced.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other ways. The apparatus embodiments described above are merely illustrative, and for example, the flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of apparatus, methods and computer program products according to various embodiments of the present application. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
In addition, functional modules in the embodiments of the present application may be integrated together to form an independent part, or each module may exist separately, or two or more modules may be integrated to form an independent part.
The functions, if implemented in the form of software functional modules and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present application or portions thereof that substantially contribute to the prior art may be embodied in the form of a software product stored in a storage medium and including instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (8)
1. A display window control method is applied to a server, wherein the server is provided with a virtual machine for providing virtual desktop service for a user terminal; the method comprises the following steps:
acquiring a window stacking relation on a virtual desktop provided by the virtual machine for the user terminal, and determining a display area of a multimedia redirection display window according to the window stacking relation;
controlling the user terminal to display the multimedia data in the display area;
detecting a switching event of the virtual desktop;
and when the switching event is detected, minimizing a local multimedia player window of the server, and controlling the user terminal to hide the multimedia redirection display window.
2. The method according to claim 1, wherein the server is pre-provisioned with a switching event handler for identifying whether to generate a switching event of the virtual desktop; the step of detecting the switching event of the virtual desktop includes:
and detecting whether the switching event handle is in an excitation state, wherein if the switching event handle is in the excitation state, the switching event is detected.
3. The method according to claim 1, wherein the step of controlling the user terminal to hide the multimedia redirection display window comprises:
acquiring a window handle of a multimedia redirection display window opened on the user terminal;
and sending a hiding instruction aiming at the multimedia redirection display window to the user terminal according to the window handle, and controlling the user terminal to hide the multimedia redirection display window corresponding to the window handle.
4. The display window control device is applied to a server, wherein the server is provided with a virtual machine for providing virtual desktop service for a user terminal; the device comprises:
the system comprises a stacking relation acquisition module, a display area determination module and a display area display module, wherein the stacking relation acquisition module is used for acquiring a window stacking relation on a virtual desktop provided by a virtual machine for a user terminal and determining the display area of a multimedia redirection display window according to the window stacking relation;
the first window control module is used for controlling the user terminal to display the multimedia data in the display area;
the event detection module is used for detecting a switching event of the virtual desktop;
and the second window control module is used for minimizing a local multimedia player window of the server and controlling the user terminal to hide the multimedia redirection display window when the switching event is detected.
5. The apparatus according to claim 4, wherein the server is pre-provisioned with a switching event handler for identifying whether to generate a switching event of the virtual desktop; the manner of the event detection module detecting the handover event includes: and detecting whether the switching event handle is in an excitation state, wherein if the switching event handle is in the excitation state, the switching event is detected.
6. The apparatus according to claim 4, wherein the second window control module obtains a window handle of a multimedia redirection display window opened on the user terminal when sending a window hiding instruction to the user terminal; and according to the window handle, sending a hiding instruction for the multimedia redirection display window to the user terminal, and controlling the user terminal to hide the multimedia redirection display window corresponding to the window handle.
7. A server comprising a processor and a machine-readable storage medium storing machine-executable instructions executable by the processor to perform the method of any one of claims 1 to 3.
8. A machine-readable storage medium having stored thereon machine-executable instructions which, when invoked and executed by a processor, cause the processor to implement the method of any of claims 1-3.
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| CN109324844A (en) * | 2018-09-30 | 2019-02-12 | 武汉斗鱼网络科技有限公司 | A kind of method, apparatus and computer equipment at detection window interface |
| CN110221892B (en) * | 2019-05-20 | 2022-07-15 | 北京字节跳动网络技术有限公司 | Method, device, medium and electronic equipment for scrolling window information |
| EP3764210A1 (en) * | 2019-07-08 | 2021-01-13 | dSPACE digital signal processing and control engineering GmbH | Display of display areas on a desktop |
| CN113495651B (en) * | 2020-03-20 | 2024-05-21 | 北京京东振世信息技术有限公司 | Window control method and device |
| CN111639335A (en) * | 2020-05-29 | 2020-09-08 | 深信服科技股份有限公司 | Sandbox control method and device, electronic equipment and storage medium |
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| EP2891038B1 (en) * | 2012-08-31 | 2020-06-24 | Citrix Systems, Inc. | Reverse seamless integration between local and remote computing environments |
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