CN108920117B - Cross-terminal multi-screen display method, client and system - Google Patents
Cross-terminal multi-screen display method, client and system Download PDFInfo
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Abstract
The invention provides a cross-terminal multi-screen display method, a client and a system, and the cross-terminal multi-screen display method provided by the invention solves the technical problem that the prior application program window cross-screen display can only carry out cross-screen display between display devices connected with the same host machine, so that the prior art can not display a local program window by using the display devices of a non-local computer.
Description
Technical Field
The invention relates to the field of data processing, in particular to a cross-terminal multi-screen display method, a cross-terminal multi-screen display client and a cross-terminal multi-screen display system.
Background
With the popularization of the modern office model, in order to improve the office efficiency, a mode of expanding a display screen is generally adopted, and a program window is moved to a secondary display screen for displaying.
The existing cross-screen display of the application program window can only carry out cross-screen display between display devices connected with the same host computer, so that the technical problem that the display device of a non-local computer cannot be used for displaying the local program window in the prior art is caused.
Disclosure of Invention
The invention provides a cross-terminal multi-screen display method, a client and a system, which are used for solving the technical problem that the prior art cannot utilize display equipment of a non-local computer to display a local program window.
The invention provides a cross-terminal multi-screen display method, which comprises the following steps:
s1: according to the identity information of the host corresponding to all the clients and the resolution of the display equipment, establishing global coordinate configuration information containing boundary coordinates of display areas corresponding to all the clients;
s2: acquiring local window boundary coordinates of a local source program window of a source client, judging whether the source program window is in a display boundary of source client display equipment or not according to the local window boundary coordinates, and if not, executing step S3;
s3: converting the local window boundary coordinates into global window boundary coordinates according to the global coordinate configuration information, determining a target client according to the global window boundary coordinates and establishing communication connection;
s4: and intercepting a window image of the source program window outside the display boundary of the source client, and sending the window image to the target client for display.
Preferably, the step S3 specifically includes:
s31: determining a global source client coordinate corresponding to the origin coordinate of the source client according to the global coordinate configuration information;
s32: and summing the global source client coordinate and the local window boundary coordinate, converting the local window boundary coordinate into a global local window boundary coordinate, determining a target client corresponding to the global window boundary coordinate, and establishing communication connection.
Preferably, the step S4 specifically includes:
s41: determining an out-of-range window area of the source program window outside the display boundary of the source client according to the difference between the local window boundary coordinates and the display boundary coordinates corresponding to the source client;
s42: intercepting a window image in the border-crossing window area, sending the window image and the border coordinates of the border-crossing window area converted by the border coordinates of the border-crossing window area to the target client, converting the border coordinates of the border-crossing window area into local window border coordinates of the target client by the target client, and creating a program mapping window according to the local window border coordinates of the target client, wherein the program mapping window is used for displaying the received window image.
Preferably, the step S32 specifically includes:
s321: converting the local window boundary coordinates into global window boundary coordinates by summing the global source client coordinates and the local window boundary coordinates;
s322: comparing the global window boundary coordinates with the global coordinate configuration information to determine whether a display boundary coordinate of a non-source client is contained in an area formed by the global window boundary coordinates, if not, directly determining a corresponding target client according to the global window boundary coordinates and establishing communication connection, and if so, executing the step S323:
s323: and determining all the target clients in the area formed by the boundary coordinates of the global window according to the difference value of the boundary coordinates of the global window and the display boundary coordinates of the non-source clients, and enabling the source client to establish communication connection with all the target clients.
Preferably, the step S4 is followed by:
s5: when the target client receives a keyboard and mouse instruction sent by input equipment and the cursor coordinate of the target client is within the boundary range of the window image, determining a source client sending the window image reversely according to the communication relation between the target client and the source client, and sending the keyboard and mouse instruction received by the target client to the source client, so that the source client executes corresponding operation according to the received keyboard and mouse instruction.
The invention provides a cross-terminal multi-screen display client, which comprises
The system comprises a global coordinate creating unit, a display device resolution ratio creating unit and a display device resolution ratio creating unit, wherein the global coordinate creating unit is used for creating global coordinate configuration information containing boundary coordinates of display areas corresponding to all clients according to the identity information of hosts corresponding to all the clients and the resolution ratio of the display device;
the system comprises a boundary coordinate acquisition unit, a target client determination unit and a target client determination unit, wherein the boundary coordinate acquisition unit is used for acquiring a local window boundary coordinate of a local source program window of a source client, judging whether the source program window is in a display boundary of source client display equipment according to the local window boundary coordinate, and if so, triggering the target client determination unit;
the target client determining unit is used for converting the local window boundary coordinates into global window boundary coordinates according to the global coordinate configuration information, determining a target client according to the global window boundary coordinates and establishing communication connection;
and the cross-end display unit is used for intercepting the window image of the source program window outside the display boundary of the source client and sending the window image to the target client for displaying.
Preferably, the target end determining unit specifically includes:
an origin coordinate conversion subunit, configured to determine, according to the global coordinate configuration information, a global source client coordinate corresponding to an origin coordinate of the source client;
and the target terminal determining subunit is used for summing the global source client terminal coordinate and the local window boundary coordinate, converting the local window boundary coordinate into a global window boundary coordinate, determining a target client terminal corresponding to the global window boundary coordinate, and establishing communication connection.
Preferably, the cross-end display unit specifically includes:
the border crossing area determining subunit is used for determining a border crossing window area of the source program window beyond the display boundary of the source client according to the difference between the local window boundary coordinate and the local display boundary coordinate corresponding to the source client;
and the cross-terminal display subunit is used for intercepting the window image in the border crossing window area, sending the window image and the global border crossing window area border coordinate converted by the border crossing window area border coordinate to the target client, converting the global border crossing window area border coordinate into a local window border coordinate of the target client by the target client, and creating a program mapping window according to the local window border coordinate of the target client, wherein the program mapping window is used for displaying the received window image.
Preferably, the target terminal determining subunit specifically includes:
the window boundary coordinate conversion submodule is used for converting the local window boundary coordinate into a global window boundary coordinate by summing the global source client coordinate and the local window boundary coordinate;
a window internal boundary point judgment sub-module, configured to compare the global window boundary coordinate with the global coordinate configuration information, and determine whether a display boundary coordinate of a non-source client is included in an area formed by the global window boundary coordinate, if not, determine a corresponding target client directly according to the global window boundary coordinate and establish communication connection, and if so, trigger the multi-target terminal determination sub-module:
a multi-target terminal determination submodule: and determining all the target clients in the area formed by the boundary coordinates of the global window according to the difference value of the boundary coordinates of the global window and the display boundary coordinates of the non-source clients, and enabling the source client to establish communication connection with all the target clients.
Preferably, the method further comprises the following steps:
and the operation instruction forwarding unit is used for determining a source client sending the window image reversely according to the communication relation between the target client and the source client when the target client receives a keyboard and mouse instruction sent by input equipment and the cursor coordinate of the target client is within the boundary range of the window image, and sending the keyboard and mouse instruction received by the target client to the source client so that the source client executes corresponding operation according to the received keyboard and mouse instruction.
The invention provides a cross-terminal multi-screen display system, which comprises: the server and at least two clients mentioned in the invention content;
the server is used for storing global coordinate configuration information;
and the server establishes communication connection with all the clients, wherein one PC host corresponds to one client.
According to the technical scheme, the invention has the following advantages:
the invention provides a cross-terminal multi-screen display method, which comprises the following steps: s1: according to the identity information of the host corresponding to all the clients and the resolution of the display equipment, establishing global coordinate configuration information containing boundary coordinates of display areas corresponding to all the clients; s2: acquiring local window boundary coordinates of a local source program window of a source client, judging whether the source program window is in a display boundary of source client display equipment or not according to the local window boundary coordinates, and if not, executing step S3; s3: converting the local window boundary coordinates into global window boundary coordinates according to the global coordinate configuration information, determining a target client according to the global window boundary coordinates and establishing communication connection; s4: and intercepting a window image of the source program window beyond the display boundary of the source client, and sending the window image to the target client for display.
According to the method and the device, the global coordinate system is established, the display areas of the clients corresponding to all the hosts are divided in the global coordinate system, the local coordinates of the source client are converted into the global coordinates, and the intercepted window images are sent to the target client corresponding to the global coordinates for display, so that the technical problem that the existing application program window cross-screen display can only carry out cross-screen display between display devices connected with the same host, and the local program window cannot be displayed by the display devices of non-local computers in the prior art is solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic flowchart of an embodiment of a cross-terminal multi-screen display method provided in the present invention;
FIG. 2 is a flowchart illustrating a cross-terminal multi-screen display method according to another embodiment of the present invention;
fig. 3 is a schematic structural diagram of an embodiment of a cross-terminal multi-screen display client according to the present invention;
FIG. 4 is a schematic structural diagram illustrating an embodiment of a cross-terminal multi-screen display system according to the present invention;
fig. 5 is an architectural diagram of a global coordinate system in the cross-terminal multi-screen display method provided by the present invention.
Detailed Description
The embodiment of the invention provides a cross-terminal multi-screen display method, a client and a system, which are used for solving the technical problem that the prior multi-computer control method cannot utilize a display corresponding to an adjacent computer to display a local source program window.
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the embodiments described below are only a part of the embodiments of the present invention, and not all of the embodiments. 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 invention.
Referring to fig. 1, an embodiment of the present invention provides a cross-terminal multi-screen display method, including:
101: according to the identity information of the host corresponding to all the clients and the resolution of the display equipment, establishing global coordinate configuration information containing boundary coordinates of display areas corresponding to all the clients;
before the cross-terminal window display is realized, the client identity information of the host computer and the resolution parameter of the display device which need to establish the cross-terminal display are firstly obtained, and the corresponding relation table of the screen coordinates of all the clients and the global coordinates, namely the global coordinate configuration information, is established, wherein the architecture of the global coordinates is shown in fig. 5;
referring to fig. 5, for example:
the area of the client A (for the display A) is defined as a rectangular area formed by two points of (0,1080) and (1920,2160)
The area of the client C (for the display C) is defined as a rectangular area formed by two points of (1920,1080) and (3840,2160)
Defining the area of the client B (for the display B) as a rectangular area consisting of two points of (1920,0) and (3840,1080)
The area of the client D (for the display D) is defined as a rectangular area formed by two points (3840,1080) and (5760,2160), and the client position relationship shown in fig. 5 is only an example, and the specific setting mode can be set according to the actual needs of the user, and is not limited specifically herein;
the coordinate systems mentioned in this embodiment are all device coordinate systems.
102: acquiring local window boundary coordinates of a local source program window of a source client;
it should be noted that, in this embodiment, the boundary coordinates are generally set as the coordinates of the vertex at the top left corner and the coordinates of the vertex at the bottom right corner of the program window;
103: judging whether the source program window is in the display boundary of the source client side display equipment or not according to the local window boundary coordinates, if not, executing a step 104;
it should be noted that, in this embodiment, whether the boundary coordinates of the source program window are all located in the display area corresponding to the source client is determined according to a difference between the boundary coordinates of the local window and the display boundary coordinates of the display device corresponding to the source client, and if not, it is determined that the source program window exceeds the display boundary of the display device corresponding to the source client.
104: converting the boundary coordinates of the local window into boundary coordinates of the whole local window according to the global coordinate configuration information, determining a target client according to the boundary coordinates of the global window and establishing communication connection;
it should be noted that, according to the corresponding relationship between the global window boundary coordinates and the display boundary coordinates of all the clients in the global coordinate configuration information, it is determined in which client display boundary coordinate region the cross-screen window region beyond the display boundary of the display device of the source client is located.
105: and intercepting a window image of the source program window beyond the display boundary of the source client, and sending the window image to the target client for display.
The embodiment of the invention solves the technical problem that the prior application program window cross-screen display can only carry out cross-screen display between display devices connected with the same host machine, so that the prior art can not display the local program window by using the display devices of a non-local computer.
The foregoing is a detailed description of an embodiment of a cross-terminal multi-screen display method provided by the present invention, and the following is a detailed description of another embodiment of a cross-terminal multi-screen display method provided by the present invention.
Referring to fig. 2, an embodiment of the present invention provides a cross-terminal multi-screen display method, including:
201: according to the identity information of the host corresponding to all the clients and the resolution of the display equipment, establishing global coordinate configuration information containing boundary coordinates of display areas corresponding to all the clients;
before the cross-terminal window display is realized, the client identity information of the host computer and the resolution parameter of the display device which need to establish the cross-terminal display are firstly obtained, and the corresponding relation table of the screen coordinates of all the clients and the global coordinates, namely the global coordinate configuration information, is established, wherein the architecture of the global coordinates is shown in fig. 5;
referring to fig. 5, for example:
defining the area of the client A (for the display A) as a rectangular area formed by two points of (0,1080) and (1920,2160);
defining the area of the client C (for the display C) as a rectangular area formed by two points of (1920,1080) and (3840,2160);
defining the area of the client B (for the display B) as a rectangular area consisting of two points of (1920,0) and (3840,1080);
the area of the client D (for the display D) is defined as a rectangular area formed by two points (3840,1080) and (5760,2160), and the client position relationship shown in fig. 5 is only an example, and the specific setting mode can be set according to the actual needs of the user, and is not limited specifically herein;
the coordinate systems mentioned in this embodiment are all device coordinate systems.
202: acquiring local window boundary coordinates of a local source program window of a source client;
it should be noted that, in this embodiment, the boundary coordinates are generally set as the coordinates of the vertex at the top left corner and the coordinates of the vertex at the bottom right corner of the program window;
203: judging whether the source program window is in the display boundary of the source client side display equipment or not according to the local window boundary coordinates, if not, executing a step 204;
it should be noted that, in this embodiment, whether the boundary coordinates of the source program window are all located in the display area corresponding to the source client is determined according to a difference between the boundary coordinates of the local window and the display boundary coordinates of the display device corresponding to the source client, and if not, it is determined that the source program window exceeds the display boundary of the display device corresponding to the source client.
204: determining a global source client coordinate corresponding to the origin coordinate of the source client according to the global coordinate configuration information;
205: summing the global source client coordinate and the local window boundary coordinate, and converting the local window boundary coordinate into a global local window boundary coordinate;
it should be noted that, assuming that the screen origin coordinates of the source client, that is, the global boundary coordinates corresponding to the origin coordinates (0,0) at the upper left corner of the screen of the source client, are (x0, y0), and the window vertex coordinates of the obtained source program window are (x1, y1), the global window boundary coordinates of the source program window are (x0+ x1, y0+ y 1).
206: comparing the global window boundary coordinates with global coordinate configuration information, if the region formed by the global window boundary coordinates contains the display boundary coordinates of the non-source client, if not, executing step 208, and if yes, executing step 207;
207: determining all target clients in an area formed by the boundary coordinates of the global window according to the difference value of the boundary coordinates of the global window and the display boundary coordinates of the non-source client, and enabling the source client to establish communication connection with all the target clients;
it should be noted that, when the area defined by the global window boundary coordinates of the source program window includes the global display boundary coordinates corresponding to the non-source client, it is indicated that the window range of the source program window spans at least two target clients, at this time, the display boundary coordinates in the source program window and the x and y values in the global display boundary coordinates in the area defined by the global window boundary coordinates are extracted, and are recombined, the window image is divided into small-area window images corresponding to the number of target clients according to the recombined global window boundary coordinates, the target clients corresponding to the small-area window images one to one are determined according to the vertex coordinates of each small-area window image, and the source client and the plurality of target clients establish communication connection.
208: and determining a corresponding target client directly according to the boundary coordinates of the global window and establishing communication connection.
209: determining an out-of-range window area of the source program window beyond the display boundary of the source client according to the difference between the local window boundary coordinates and the display boundary coordinates corresponding to the source client;
210: intercepting a window image in the border-crossing window area, and sending the window image and the global border-crossing window area border coordinate converted by the border-crossing window area border coordinate to a target client, so that the target client converts the global border-crossing window area border coordinate into a local window border coordinate of the target client, and creates a program mapping window according to the local window border coordinate of the target client;
wherein the program map window is used to display the received window image.
211: when the target client receives a keyboard and mouse instruction sent by the input device and the cursor coordinate of the target client is within the boundary range of the window image, the source client sending the window image is reversely determined according to the communication relation between the target client and the source client, and the keyboard and mouse instruction received by the target client is sent to the source client, so that the source client executes corresponding operation.
It should be noted that, the target client monitors the states of all local program mapping windows, and if the program mapping windows are in an activated state, all the received keyboard and mouse events and cursor coordinate information are forwarded to the corresponding source client for processing, and the source client activates the window where the keyboard and mouse events move out of the boundary after receiving the information and sends the keyboard and mouse events to the corresponding window for processing, where the executable operations include: and simultaneously, when the source program window processes related operation instructions, the source client can still intercept window images outside the local display boundary in real time and send the window images to the target client for display.
The embodiment of the invention solves the technical problem that the prior application program window cross-screen display can only carry out cross-screen display between display devices connected with the same host machine, so that the prior art can not display the local program window by using the display devices of a non-local computer.
The foregoing is a detailed description of an embodiment of a cross-terminal multi-screen display method provided by the present invention, and the following is a detailed description of an embodiment of a cross-terminal multi-screen display client provided by the present invention.
Referring to fig. 3, an embodiment of the present invention provides a cross-terminal multi-screen display client, including
A global coordinate creating unit 301, configured to create global coordinate configuration information including boundary coordinates of display areas corresponding to all the clients according to the identity information of the hosts corresponding to all the clients and the resolution of the display device;
a boundary coordinate obtaining unit 302, configured to obtain a local window boundary coordinate of a source program window local to a source client, determine, according to the local window boundary coordinate, whether the source program window is within a display boundary of a source client display device, and if not, execute a target client determining unit 303;
a target client determining unit 303, configured to convert the local window boundary coordinates into global window boundary coordinates according to the global coordinate configuration information, determine a target client according to the global window boundary coordinates, and establish communication connection;
and the cross-terminal display unit 304 is configured to intercept a window image of the source program window exceeding the display boundary of the source client, and send the window image to the target client for display.
Preferably, the target end determining unit 303 specifically includes:
an origin coordinate conversion subunit 3031, configured to determine, according to the global coordinate configuration information, a global source client coordinate corresponding to an origin coordinate of the source client;
and the target terminal determining subunit 3032 is configured to sum the global source client coordinates and the local window boundary coordinates, convert the local window boundary coordinates into global window boundary coordinates, determine a target client corresponding to the global window boundary coordinates, and establish communication connection.
Preferably, the cross-end display unit 304 specifically includes:
an out-of-bounds area determining subunit 3041, configured to determine, according to a difference between the local window boundary coordinate and the local display boundary coordinate corresponding to the source client, an out-of-bounds window area where the source program window exceeds the display boundary of the source client;
the cross-terminal display subunit 3042 is configured to intercept a window image in the border-crossing window region, send the window image and the global border-crossing window region border coordinates converted by the border-crossing window region border coordinates to the target client, convert the global border-crossing window region border coordinates into local window border coordinates of the target client by the target client, and create a program mapping window according to the local window border coordinates of the target client, where the program mapping window is used to display the received window image.
Preferably, the target terminal determining subunit 3032 specifically includes:
a window boundary coordinate conversion submodule 30321, configured to convert the local window boundary coordinate into a global window boundary coordinate by summing the global source client coordinate and the local window boundary coordinate;
a window internal boundary point determining submodule 30322, configured to compare the global window boundary coordinate with the global coordinate configuration information, if a region formed by the global window boundary coordinate contains a display boundary coordinate of a non-source client, if the region is not a region formed by the global window boundary coordinate, directly determine a corresponding target client according to the global window boundary coordinate and establish a communication connection, and if the region is a region formed by the global window boundary coordinate, execute the multi-target terminal determining submodule 30323:
and the multi-target terminal determining submodule 30323 is configured to determine, according to a difference between the global window boundary coordinate and the display boundary coordinate of the non-source client, all target clients in an area formed by the global window boundary coordinate, and enable the source client to establish communication connection with all the target clients.
Preferably, the method further comprises the following steps:
an operation instruction forwarding unit 305, configured to determine, in reverse, a source client that sends the window image according to a communication relationship between the target client and the source client when the target client receives the keyboard and mouse instruction sent by the input device and a cursor coordinate of the target client is within a boundary range of the window image, and send the keyboard and mouse instruction received by the target client to the source client, so that the source client executes a corresponding operation.
The foregoing is a detailed description of an embodiment of a cross-terminal multi-screen display client provided by the present invention, and the following is a detailed description of an embodiment of a cross-terminal multi-screen display system provided by the present invention.
The invention provides a cross-terminal multi-screen display system, which comprises: a server 401 and at least two clients 402 mentioned in the above embodiments;
the server 401 is configured to store global coordinate configuration information;
the server 401 is communicatively connected to all the clients 402, wherein one PC host corresponds to one client 402.
It should be noted that each computer transmits its display output to the display device for display in a wired manner such as HDMI, DVI, or a wireless display manner such as Miracast, and the computer corresponds to the client software one to one, and the computer corresponds to the display device one to one. The operating console is provided with a plurality of display devices, and the placement positions of the display devices are in one-to-one correspondence with the display area positions in the relative relationship on the area positions and the client software;
the server 401 may be separately installed in a terminal, or may be installed in a host provided with client software, which is not limited herein.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the several embodiments provided in the present application, it should be understood that the disclosed system, apparatus and method may be implemented in other manners. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
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 units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in all embodiments of the present invention may be integrated into one processing unit, all units may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit 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 invention may be embodied in the form of a software product, which is stored in a storage medium and includes 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 all embodiments of the present invention. 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.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (5)
1. A cross-terminal multi-screen display method is characterized by comprising the following steps:
s1: according to the identity information of the host corresponding to all the clients and the resolution of the display equipment, establishing global coordinate configuration information containing boundary coordinates of display areas corresponding to all the clients;
s2: acquiring local window boundary coordinates of a local source program window of a source client, judging whether the source program window is in a display boundary of source client display equipment or not according to the local window boundary coordinates, and if not, executing step S31;
s31: determining a global source client coordinate corresponding to the origin coordinate of the source client according to the global coordinate configuration information;
s321: converting the local window boundary coordinates into global window boundary coordinates by summing the global source client coordinates and the local window boundary coordinates;
s322: comparing the global window boundary coordinates with the global coordinate configuration information to determine whether a display boundary coordinate of a non-source client is contained in an area formed by the global window boundary coordinates, if not, directly determining a corresponding target client according to the global window boundary coordinates and establishing communication connection, and if so, executing a step S323;
s323: determining all the target clients in an area formed by the global window boundary coordinates according to the difference value of the global window boundary coordinates and the display boundary coordinates of the non-source clients, and enabling the source clients to establish communication connection with all the target clients;
s4: intercepting a window image of the source program window outside a display boundary of the source client, and sending the window image to the target client for display;
s5: when the target client receives a keyboard and mouse instruction sent by input equipment and the cursor coordinate of the target client is within the boundary range of the window image, determining a source client sending the window image reversely according to the communication relation between the target client and the source client, and sending the keyboard and mouse instruction received by the target client to the source client, so that the source client executes corresponding operation according to the received keyboard and mouse instruction, and simultaneously, intercepting the window image in real time and sending the window image to the target client for display.
2. A cross-terminal multi-screen display method according to claim 1, wherein the step S4 specifically includes:
s41: determining an out-of-range window area of the source program window outside the display boundary of the source client according to the difference between the local window boundary coordinates and the display boundary coordinates corresponding to the source client;
s42: intercepting a window image in the border-crossing window area, sending the window image and the border coordinates of the border-crossing window area converted by the border coordinates of the border-crossing window area to the target client, converting the border coordinates of the border-crossing window area into local window border coordinates of the target client by the target client, and creating a program mapping window according to the local window border coordinates of the target client, wherein the program mapping window is used for displaying the received window image.
3. A multi-screen display client across terminals is characterized by comprising:
the system comprises a global coordinate creating unit, a display device resolution ratio creating unit and a display device resolution ratio creating unit, wherein the global coordinate creating unit is used for creating global coordinate configuration information containing boundary coordinates of display areas corresponding to all clients according to the identity information of hosts corresponding to all the clients and the resolution ratio of the display device;
the system comprises a boundary coordinate acquisition unit, a target client determination unit and a target client determination unit, wherein the boundary coordinate acquisition unit is used for acquiring a local window boundary coordinate of a local source program window of a source client, judging whether the source program window is in a display boundary of source client display equipment according to the local window boundary coordinate, and if not, triggering the target client determination unit;
the target client determining unit is used for converting the local window boundary coordinates into global window boundary coordinates according to the global coordinate configuration information, determining a target client according to the global window boundary coordinates and establishing communication connection;
the cross-end display unit is used for intercepting a window image of the source program window outside the display boundary of the source client and sending the window image to the target client for displaying;
the operation instruction forwarding unit is used for determining a source client sending the window image reversely according to the communication relation between the target client and the source client when the target client receives a keyboard and mouse instruction sent by input equipment and the cursor coordinate of the target client is within the boundary range of the window image, and sending the keyboard and mouse instruction received by the target client to the source client, so that the source client executes corresponding operation according to the received keyboard and mouse instruction, and simultaneously intercepts the window image in real time and sends the window image to the target client for display;
the target end determining unit specifically includes:
an origin coordinate conversion subunit, configured to determine, according to the global coordinate configuration information, a global source client coordinate corresponding to an origin coordinate of the source client;
the target terminal determining subunit is configured to sum the global source client coordinates and the local window boundary coordinates, convert the local window boundary coordinates into global window boundary coordinates, determine a target client corresponding to the global window boundary coordinates, and establish communication connection;
the target terminal determining subunit specifically includes:
the window boundary coordinate conversion submodule is used for converting the local window boundary coordinate into a global window boundary coordinate by summing the global source client coordinate and the local window boundary coordinate;
a window internal boundary point judgment sub-module, configured to compare the global window boundary coordinate with the global coordinate configuration information, and determine whether a display boundary coordinate of a non-source client is included in an area formed by the global window boundary coordinate, if not, determine a corresponding target client directly according to the global window boundary coordinate and establish communication connection, and if so, trigger the multi-target terminal determination sub-module:
a multi-target terminal determination submodule: and determining all the target clients in the area formed by the boundary coordinates of the global window according to the difference value of the boundary coordinates of the global window and the display boundary coordinates of the non-source clients, and enabling the source client to establish communication connection with all the target clients.
4. A cross-terminal multi-screen display client according to claim 3, wherein the cross-terminal display unit specifically comprises:
the border crossing area determining subunit is used for determining a border crossing window area of the source program window outside the display border of the source client according to the difference between the local window border coordinate and the display border coordinate corresponding to the source client;
and the cross-terminal display subunit is used for intercepting the window image in the border crossing window area, sending the window image and the global border crossing window area border coordinate converted by the border crossing window area border coordinate to the target client, converting the global border crossing window area border coordinate into a local window border coordinate of the target client by the target client, and creating a program mapping window according to the local window border coordinate of the target client, wherein the program mapping window is used for displaying the received window image.
5. A multi-screen display system across terminals, comprising: a server and at least two clients according to any one of claims 3 to 4;
the server is used for storing global coordinate configuration information;
and the server establishes communication connection with all the clients, wherein one PC host corresponds to one client.
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| CN103425451A (en) * | 2012-05-25 | 2013-12-04 | 三星电子株式会社 | Multiple display method with multiple communication terminals and communication terminal |
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| CN103425451A (en) * | 2012-05-25 | 2013-12-04 | 三星电子株式会社 | Multiple display method with multiple communication terminals and communication terminal |
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