CN111078104A - Redirection method of multi-point touch equipment on cloud desktop and computer equipment - Google Patents
Redirection method of multi-point touch equipment on cloud desktop and computer equipment Download PDFInfo
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- CN111078104A CN111078104A CN201911000040.5A CN201911000040A CN111078104A CN 111078104 A CN111078104 A CN 111078104A CN 201911000040 A CN201911000040 A CN 201911000040A CN 111078104 A CN111078104 A CN 111078104A
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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
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0487—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
- G06F3/0488—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures
- G06F3/04883—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures for inputting data by handwriting, e.g. gesture or text
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/451—Execution arrangements for user interfaces
- G06F9/452—Remote windowing, e.g. X-Window System, desktop virtualisation
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/455—Emulation; Interpretation; Software simulation, e.g. virtualisation or emulation of application or operating system execution engines
- G06F9/45533—Hypervisors; Virtual machine monitors
- G06F9/45558—Hypervisor-specific management and integration aspects
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Abstract
The invention provides a redirection method of multi-point touch equipment on a cloud desktop, wherein a virtual machine receives multi-point touch data, an operating system of a local terminal and touch screen information; translating the multi-point touch data into an execution instruction according to an operating system, touch screen information, virtual machine hardware information and the type of the operating system of the local terminal; the virtual machine executes corresponding operation according to the execution instruction; the invention also provides computer equipment, so that a user can use multi-point touch on the cloud desktop.
Description
Technical Field
The invention relates to a redirection method of multi-point touch equipment on a cloud desktop and computer equipment.
Background
The cloud desktop is an application of a cloud computing technology, and is simply characterized in that virtualization software is installed in a server in a data center machine room through a virtualization technology, a plurality of virtual machines are created through configuration of the software, and the virtual machines have relatively independent CPU and memory resources, so that an actual server can be divided into the plurality of virtual machines, and the virtual machines are provided for a plurality of users to use independently. In the application scene of the cloud desktop, in order to meet the use habits of most users, a Windows operating system is generally installed in the virtual machine, and the user uses the desktop service of the virtual machine, which is similar to the normal use of a computer, to browse the web pages, edit the documents and the like.
The cloud desktop protocol is a core technology in the cloud desktop technology, and can transmit display contents in the virtual machine to a local terminal (including a computer, a mobile phone and an intelligent television) for display, and transmit local operations (keyboard operation and mouse operation) to the virtual machine for execution, so that an effect of remotely controlling the virtual machine is achieved. The method and the system can enable a user to normally browse the webpage, edit the document and the like on the virtual machine.
As shown in fig. 2, since the cloud desktop technology is implemented by a virtualization technology, most of virtual machines created by the current virtualization technology only support basic hardware, including cpu, memory, and disk, and only a mouse and a keyboard are provided in terms of user input, and there is no multi-touch device. Therefore, when a user connects to a cloud desktop service using a local terminal supporting multi-touch, such as a mobile phone and a smart tv, the multi-touch function cannot be realized. Only multi-point touch can be converted into single-point touch, and the multi-point touch can be converted into mouse for operation. Therefore, the software which can be operated only by multi-point touch can not be used on the cloud desktop.
Comparison files, the name: an RDP protocol-based mobile cloud desktop accurate touch method is disclosed, and has application number 201310026044.7, application date 2013.01.24; a virtual cursor moving module and a touch event response module are established between an RDP (remote desktop protocol) function data layer and an interface display layer, so that a local touch screen of the terminal equipment is simulated to be a touch pad for use; intercepting all touch operations of a current touch screen on a cloud desktop window, and then indicating a current click position by using a virtual cursor, wherein the movement and the position of the virtual cursor are determined by the current touch operations; when the finger moves on the touch screen, the virtual cursor is relatively moved, so that the virtual cursor always keeps moving at the same offset as the touch track, and a touch event message of the current virtual cursor position is sent to the remote cloud desktop; therefore, the touch screen is used for simulating the touch pad function to position the virtual cursor, and then accurate touch control is realized through the virtual cursor. According to the method, the touch screen is used as the touch pad, so that accurate touch control is realized after the cloud desktop is connected under the RDP protocol; the comparison file does not create a virtual multi-point touch screen device in a virtual machine, the multi-point touch screen device cannot be supported, only a single-point touch screen device can be operated by establishing a virtual cursor, the multi-point touch screen device (such as a touch screen mobile phone) cannot display the cursor, and the cursor (such as a mouse) can be displayed only in a single-point operation mode, so that the comparison file only performs some optimization operations between an RDP (remote desktop protocol) functional data layer and an interface layer on the terminal device, the operation precision of the touch screen is improved, and the whole scheme is operated on the terminal device.
Disclosure of Invention
The technical problem to be solved by the present invention is to provide a redirection method for a multi-touch device on a cloud desktop and a computer device, so that a user can use multi-touch on the cloud desktop.
One of the present invention is realized by: a redirection method of a multi-touch device on a cloud desktop includes:
step 1, a virtual machine receives multi-point touch data, an operating system of a local terminal and touch screen information;
step 2, translating the multi-point touch data into an execution instruction according to an operating system, touch screen information, virtual machine hardware information and the type of the operating system of the local terminal;
and 3, the virtual machine executes corresponding operation according to the execution instruction.
Further, the step 1 is further specifically: and generating a virtual multi-point touch device for transmitting the execution instruction to a device bus of the virtual machine, wherein the virtual machine receives the multi-point touch data, the operating system of the local terminal and the touch screen information through the virtual multi-point touch device.
Further, the step 2 is further specifically:
step 21, establishing a touch screen data control block of the terminal equipment according to the operating system types and the touch screen information of different terminal equipment;
step 22, establishing a virtual machine touch screen data control block according to the HID descriptor of the virtual device established in the virtual machine;
step 23, establishing a one-to-one correspondence relationship between the terminal device touch screen data control block and the virtual machine touch screen data control block;
step 24, translating the multi-touch data into an execution instruction according to the established one-to-one correspondence.
The second invention is realized by the following steps: a computer device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the steps when executing the program of:
step 1, a virtual machine receives multi-point touch data, an operating system of a local terminal and touch screen information;
step 2, translating the multi-point touch data into an execution instruction according to an operating system, touch screen information, virtual machine hardware information and the type of the operating system of the local terminal;
and 3, the virtual machine executes corresponding operation according to the execution instruction.
Further, the step 1 is further specifically: and generating a virtual multi-point touch device for transmitting the execution instruction to a device bus of the virtual machine, wherein the virtual machine receives the multi-point touch data, the operating system of the local terminal and the touch screen information through the virtual multi-point touch device.
Further, the step 2 is further specifically:
step 21, establishing a touch screen data control block of the terminal equipment according to the operating system types and the touch screen information of different terminal equipment;
step 22, establishing a virtual machine touch screen data control block according to the HID descriptor of the virtual device established in the virtual machine;
step 23, establishing a one-to-one correspondence relationship between the terminal device touch screen data control block and the virtual machine touch screen data control block;
step 24, translating the multi-touch data into an execution instruction according to the established one-to-one correspondence.
The invention has the following advantages: the virtual multi-point touch control device is created in the virtual machine of the cloud desktop, meanwhile, multi-point touch control messages are captured on the local terminal, transmitted to the virtual machine and translated into the multi-point touch control messages which can be identified by the virtual machine, and then the virtual machine is operated through the virtual multi-point touch control device, so that a user can use the multi-point touch control device on the cloud desktop.
Drawings
The invention will be further described with reference to the following examples with reference to the accompanying drawings.
FIG. 1 is a flow chart of the method of the present invention.
Fig. 2 is a technical diagram of a cloud desktop in the prior art.
FIG. 3 is a block diagram of an embodiment of the present invention.
FIG. 4 is a flow chart of an embodiment of the present invention.
FIG. 5 is a translation flow diagram according to an embodiment of the present invention.
Detailed Description
As shown in fig. 1, the redirection method of the multi-touch device on the cloud desktop of the present invention includes:
step 1, generating a virtual multi-point touch device for transmitting an execution instruction to a device bus of a virtual machine, wherein the virtual machine receives multi-point touch data, an operating system of a local terminal and touch screen information through the virtual multi-point touch device;
step 2, establishing a touch screen data control block of the terminal equipment according to the operating system types and the touch screen information of different terminal equipment; establishing a virtual machine touch screen data control block according to the HID descriptor of the created virtual device in the virtual machine; establishing a one-to-one correspondence relationship between a terminal device touch screen data control block and a virtual machine touch screen data control block; translating the multi-point touch data into execution instructions according to the established one-to-one correspondence;
and 3, the virtual machine executes corresponding operation according to the execution instruction.
The computer equipment comprises a memory, a processor and a computer program which is stored on the memory and can run on the processor, wherein the processor executes the program to realize the following steps:
step 1, generating a virtual multi-point touch device for transmitting an execution instruction to a device bus of a virtual machine, wherein the virtual machine receives multi-point touch data, an operating system of a local terminal and touch screen information through the virtual multi-point touch device;
step 2, establishing a touch screen data control block of the terminal equipment according to the operating system types and the touch screen information of different terminal equipment; establishing a virtual machine touch screen data control block according to the HID descriptor of the created virtual device in the virtual machine; establishing a one-to-one correspondence relationship between a terminal device touch screen data control block and a virtual machine touch screen data control block; translating the multi-point touch data into execution instructions according to the established one-to-one correspondence;
and 3, the virtual machine executes corresponding operation according to the execution instruction.
One specific embodiment of the present invention:
as shown in fig. 3, a virtual multi-touch device is first created on a virtual machine, a multi-touch message is captured on a local terminal, the locally captured multi-touch message is transmitted to the virtual machine through a network and is translated into a multi-touch message that can be recognized by the virtual machine, and the virtual machine is then operated through the virtual multi-touch device, so that the virtual machine can support multi-touch operation. The virtual machine is respectively provided with a virtual multi-point touch device, a virtual multi-point touch translation module and a network communication module. And the local terminal is respectively provided with a multi-point touch capture module and a network communication module.
The description of each module is as follows:
1) as shown in fig. 4, in the multi-touch capture module on the local terminal, a local terminal operating system (for example: windows, Android, IOS) to obtain a multi-touch message. These messages will vary according to the operating system of the local terminal and the hardware of the touch screen. Therefore, the multi-touch capture module needs to send out the information of the system and the information of the touch screen through the network communication module during initialization, then start to capture touch points circularly, and send the captured multi-touch information to the network communication module immediately; the information of the touch screen comprises touch screen information including the number of fingers supported by touch, the length and the width of the touch screen and the pressure sensing sensitivity of the touch screen.
2) The network communication module of the local terminal is only a basic network communication module and is used for establishing connection with the network communication module of the virtual machine, receiving the message of the multi-point touch capture module and sending the message to the virtual machine.
3) The network communication module of the virtual machine is also only a basic network communication module, and is used for establishing connection with the network communication module of the local terminal, receiving the message of the multi-touch capture module sent by the local terminal and sending the message to the virtual multi-touch translation module.
4) As shown in fig. 5, the virtual multi-touch translation module, upon receiving the message, parses the multi-touch message according to the type of the local terminal operating system, and translates the parsed multi-touch message according to the type of the virtual machine operating system to generate an instruction that can be recognized by the virtual machine, and sends the instruction to the virtual multi-touch device for execution.
The specific translation method comprises the following steps:
1) firstly, a touch screen data control block of the terminal device is established according to the operating system types (such as an android system, an IOS system and a Windows system) of different terminal devices. These data blocks contain much information. Including but not limited to:
unique identifier for corresponding finger
Whether fingers are in contact with each other or not
X, Y coordinate of the corresponding finger
The size of the very best finger
2) And establishing a touch screen data control block of the virtual machine according to the HID descriptor (defined by the HID standard of the USB) of the created virtual device in the virtual machine. These data blocks contain much information. Including but not limited to:
unique identifier for corresponding finger
Whether fingers are in contact with each other or not
X, Y coordinate of the corresponding finger
The size of the very best finger
3) The information of the data blocks is established into a one-to-one corresponding relation, such as length units such as coordinates or sizes, and the conversion relation can be established by installing the proportion of the length to the screen.
4) The translation is performed according to the suggested correspondence.
For example, when the Windows operating system is installed in the virtual machine, the translated instruction may include information of one or more fingers, and each finger includes the following information, and the virtual machine can recognize the multi-touch instruction only with the following information.
Unique identifier for a finger
Whether the finger is in contact with
X-axis coordinate of finger
Y-axis coordinates of a finger
Width of finger
Height of finger
With the translation module, the redirection of the multi-touch device can be compatible after instruction translation no matter how different the hardware and the operating system of the local terminal and the virtual machine are.
5) The virtual multi-touch device is generated by software simulation and is only responsible for delivering instructions to the device bus of the virtual machine. Therefore, interaction between multi-touch and a virtual machine is realized, the equipment is required to be added, and an operating system in some virtual machines can start multi-touch functions such as handwriting input and the like only when the operating system in some virtual machines recognizes the equipment of the type.
Although specific embodiments of the invention have been described above, it will be understood by those skilled in the art that the specific embodiments described are illustrative only and are not limiting upon the scope of the invention, and that equivalent modifications and variations can be made by those skilled in the art without departing from the spirit of the invention, which is to be limited only by the appended claims.
Claims (6)
1. A redirection method of a multi-point touch device on a cloud desktop is characterized by comprising the following steps: the method comprises the following steps:
step 1, a virtual machine receives multi-point touch data, an operating system of a local terminal and touch screen information;
step 2, translating the multi-point touch data into an execution instruction according to an operating system, touch screen information, virtual machine hardware information and the type of the operating system of the local terminal;
and 3, the virtual machine executes corresponding operation according to the execution instruction.
2. The method for redirecting the multi-touch device on the cloud desktop as recited in claim 1, wherein: the step 1 is further specifically as follows: and generating a virtual multi-point touch device for transmitting the execution instruction to a device bus of the virtual machine, wherein the virtual machine receives the multi-point touch data, the operating system of the local terminal and the touch screen information through the virtual multi-point touch device.
3. The method for redirecting the multi-touch device on the cloud desktop as recited in claim 1, wherein: the step 2 is further specifically as follows:
step 21, establishing a touch screen data control block of the terminal equipment according to the operating system types and the touch screen information of different terminal equipment;
step 22, establishing a virtual machine touch screen data control block according to the HID descriptor of the virtual device established in the virtual machine;
step 23, establishing a one-to-one correspondence relationship between the terminal device touch screen data control block and the virtual machine touch screen data control block;
step 24, translating the multi-touch data into an execution instruction according to the established one-to-one correspondence.
4. A computer device comprising a memory, a processor, and a computer program stored on the memory and executable on the processor, wherein: the processor implements the following steps when executing the program:
step 1, a virtual machine receives multi-point touch data, an operating system of a local terminal and touch screen information;
step 2, translating the multi-point touch data into an execution instruction according to an operating system, touch screen information, virtual machine hardware information and the type of the operating system of the local terminal;
and 3, the virtual machine executes corresponding operation according to the execution instruction.
5. A computer device according to claim 4, wherein: the step 1 is further specifically as follows: and generating a virtual multi-point touch device for transmitting the execution instruction to a device bus of the virtual machine, wherein the virtual machine receives the multi-point touch data, the operating system of the local terminal and the touch screen information through the virtual multi-point touch device.
6. A computer device according to claim 4, wherein: the step 2 is further specifically as follows:
step 21, establishing a touch screen data control block of the terminal equipment according to the operating system types and the touch screen information of different terminal equipment;
step 22, establishing a virtual machine touch screen data control block according to the HID descriptor of the virtual device established in the virtual machine;
step 23, establishing a one-to-one correspondence relationship between the terminal device touch screen data control block and the virtual machine touch screen data control block;
step 24, translating the multi-touch data into an execution instruction according to the established one-to-one correspondence.
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Cited By (4)
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| CN112156450A (en) * | 2020-08-20 | 2021-01-01 | 福建升腾资讯有限公司 | Game handle redirection method and system applied to cloud desktop |
| CN112202825A (en) * | 2020-12-09 | 2021-01-08 | 江苏北弓智能科技有限公司 | Remote mobile cloud desktop transmission system and method |
| CN112394872A (en) * | 2020-11-30 | 2021-02-23 | 北京麟卓信息科技有限公司 | Method and device for optimizing android system multi-touch supported by Linux platform |
| CN112394871A (en) * | 2020-11-30 | 2021-02-23 | 北京麟卓信息科技有限公司 | Method and device for supporting android system multi-point touch by Linux platform |
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