CN108132767B - Application window preview method and system - Google Patents
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- CN108132767B CN108132767B CN201711404785.9A CN201711404785A CN108132767B CN 108132767 B CN108132767 B CN 108132767B CN 201711404785 A CN201711404785 A CN 201711404785A CN 108132767 B CN108132767 B CN 108132767B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
- G06F3/1423—Digital output to display device ; Cooperation and interconnection of the display device with other functional units controlling a plurality of local displays, e.g. CRT and flat panel display
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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]
- G06F3/0481—Interaction techniques based on graphical user interfaces [GUI] based on specific properties of the displayed interaction object or a metaphor-based environment, e.g. interaction with desktop elements like windows or icons, or assisted by a cursor's changing behaviour or appearance
Abstract
The invention relates to a preview method and a preview system. The method comprises the following steps: receiving an application window preview instruction sent by a preview terminal, opening a corresponding application window according to the application window preview instruction, setting the attribute of the application window to be invisible for a large-screen display terminal, acquiring data to be previewed currently displayed by the application window, and sending the data to be previewed to the preview terminal for previewing. According to the technical scheme, the application window can be previewed when the signal source exists.
Description
Technical Field
The invention relates to the technical field of large-screen display, in particular to a method and a system for previewing an application window.
Background
In a monitoring room and a conference room, a large-screen display technology is usually applied, and when a certain video or picture is displayed on a large screen, in order to avoid an accident and cause display content errors, it is generally required to preview the content to be displayed. The current signal preview only supports the preview of a collection card type signal and an IP network video signal. In the above method for previewing a signal, a signal source must exist, and an application window is not windowed on a large wall, so that the signal source does not exist, and even if the above method is used, the application window cannot be previewed.
Disclosure of Invention
Therefore, it is necessary to provide an application window preview method and system for solving the problem that the conventional signal preview method cannot preview an application window.
An application window previewing method comprises the following steps:
receiving a window preview instruction sent by a preview terminal, opening a corresponding application window according to the window preview instruction and setting the attribute of the application window to be invisible for a large-screen display terminal;
and acquiring the currently displayed data of the application window as data to be previewed, and sending the data to be previewed to a previewing terminal for previewing.
According to the application window previewing method, the application window needing previewing is correspondingly opened by receiving the window previewing instruction sent by the previewing terminal, the attribute of the application window is set to be invisible for the large-screen display terminal, at the moment, the application window cannot be displayed in the large-screen display terminal, the data to be previewed currently displayed in the application window is read, and the data to be previewed is sent to the previewing terminal for previewing in real time. The attribute of the application window is set to be invisible for the large-screen display terminal, so that the application window can be previewed.
In one embodiment, the window preview instruction includes windowing information corresponding to the type of the application window; the types of the application windows comprise a first type of application window and a second type of application window; the first-class application window is an application window of an operating system, and the second-class application window is an application window created by software; the corresponding application window can be opened according to the application window preview instruction in the following way: and analyzing the windowing information, and opening the first class of application windows according to the windowing information or creating the second class of application windows according to the windowing information.
In one embodiment, the corresponding application window can be opened according to the window preview instruction in the following manner and the attribute of the application window is set to be invisible for the large-screen display terminal: according to the window preview instruction, if the application window is a type of application window, translating the display position of the application window on the large-screen display terminal to enable the application window to fall into a non-display area of the large-screen display terminal; if the application window is a second-class application window, setting the window attribute of the application window to be hidden; or, the second type of application windows are created in the non-display area of the large-screen display terminal.
In one embodiment, after the corresponding application window is opened according to the window preview instruction, an application window handle of the application window can be further acquired; and/or acquiring the data to be previewed currently displayed by the application window in the following modes: and acquiring the data to be previewed displayed in the current application window according to the handle.
In one embodiment, before sending the data to be previewed to a previewing end for previewing, the data to be previewed may be further encoded.
An application window previewing method comprises the following steps:
sending a window preview instruction to a service terminal; the preview instruction is used for triggering the service terminal to open a corresponding application window and setting the attribute of the application window to be invisible for the large-screen display terminal;
receiving data to be previewed sent by the service terminal, wherein the data to be previewed is data displayed in the application window in real time;
and displaying the data to be previewed.
According to the application window previewing method, the service terminal issues the window previewing instruction, the service terminal opens the corresponding application window according to the window previewing instruction, the attribute of the application window is set to be invisible for the large-screen terminal, at the moment, the application window cannot be displayed in the large-screen display terminal, the data to be previewed currently displayed by the application window is received, and then the data to be previewed are previewed. The attribute of the application window is set to be invisible for the large-screen display terminal, so that the application window can be previewed.
In one embodiment, before previewing the data to be previewed in real time, the data to be previewed may be decoded.
An application window preview system comprising:
the application window setting module is used for receiving a window preview instruction sent by a preview terminal, opening a corresponding application window according to the window preview instruction and setting the attribute of the application window to be invisible for the large-screen display terminal;
and the preview data sending module is used for acquiring the data currently displayed by the application window as the data to be previewed and sending the data to be previewed to the preview terminal for previewing.
According to the application window preview system, the application window setting module correspondingly opens the application window to be previewed by receiving the window preview instruction sent by the preview terminal, and immediately sets the attribute of the application window to be invisible for the large-screen display terminal, at the moment, the application window cannot be displayed in the large-screen display terminal, and the preview data sending module reads the data to be previewed currently displayed in the application window and sends the data to be previewed to the preview terminal for previewing in real time. The attribute of the application window is set to be invisible for the large-screen display terminal, so that the application window can be previewed.
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 application window preview method described above when executing the computer program.
A computer storage medium having a computer program stored thereon, wherein the program, when executed by a processor, implements the application window preview method described above.
Drawings
FIG. 1 is a schematic flow chart diagram illustrating a method for previewing an application window in one embodiment;
FIG. 2 is a schematic flow chart diagram of a method for previewing an application window in another embodiment;
FIG. 3 is a schematic flow chart diagram illustrating a method for previewing an application window in accordance with an exemplary embodiment;
FIG. 4 is a schematic block diagram of an application window preview system in one embodiment.
Detailed Description
In order to further explain the technical means and effects of the present invention, the following description will be made for clear and complete descriptions of the technical solutions of the embodiments of the present invention with reference to the accompanying drawings and preferred embodiments.
Fig. 1 is a schematic flowchart of an application window preview method in an embodiment, as shown in fig. 1, the method includes the steps of:
s101, receiving a window preview instruction sent by a preview terminal, opening a corresponding application window according to the window preview instruction, and setting the attribute of the application window to be invisible for a large-screen display terminal.
In this step, the preview terminal may be a computer, a tablet, a smart phone, or the like, and preview software is pre-installed in the preview terminal, and a window preview instruction may be issued through the preview software. In addition, the application environment of this embodiment may also be an intelligent terminal such as a computer or a tablet, and the application window may be an application window for running an application program in the intelligent terminal.
S102, acquiring data currently displayed by the application window as data to be previewed, and sending the data to be previewed to a previewing terminal for previewing.
In this step, after the corresponding application window is opened, the data of the signal source may be displayed in the application window, at this time, the data to be previewed displayed in the application window is acquired, and then the acquired data to be previewed is sent to the preview terminal for previewing.
In the embodiment, the window preview instruction sent by the preview terminal is received, the application window needing to be previewed is correspondingly opened, and the attribute of the application window is immediately set to be invisible for the large-screen display terminal, at this moment, the application window cannot be displayed in the large-screen display terminal, the data to be previewed currently displayed in the application window is read, and the data to be previewed is sent to the preview terminal in real time for previewing. The attribute of the application window is set to be invisible for the large-screen display terminal, so that the signal in the screen display application window can be previewed.
For the step of S101, in an embodiment, the preview instruction includes windowing information corresponding to a type of the application window, where the type of the application window includes a first type of application window and a second type of application window; the first-class application window is an application window of an operating system, and the second-class application window is an application window created by software; the corresponding application window can be opened according to the window preview instruction in the following way: and analyzing the windowing information, and opening the first class of application windows according to the windowing information or creating the second class of application windows according to the windowing information.
In this embodiment, according to the windowing information sent by the preview terminal, the corresponding application window may be opened, for example, the operating system may be a Windows system, and the preview terminal previews the PPT format file, then Microsoft PowerPoint software of the operating system may be opened according to the windowing information, and if the signal source data needs to be displayed by an application window created by software, then after receiving the windowing information, it needs to correspondingly create a second-type application window.
Optionally, the corresponding application window may be opened according to the window preview instruction in the following manner and the attribute of the application window is set to be invisible on the large screen display terminal: according to the window preview instruction, if the application window is a type of application window, translating the display position of the application window on the large-screen display terminal to enable the application window to fall into a non-display area of the large-screen display terminal; if the application window is the second type of application window, setting the window attribute of the application window to be hidden; or, the second type of application windows are created in the non-display area of the large-screen display terminal.
In this embodiment, since the first-type application window is an application window of the operating system, the window characteristics are complex, the window attribute of the first-type application window is set to be hidden and may not be completely hidden in the application window, and the second-type application window is an application window created by the software itself, and the characteristics of the application window can be customized, so that the large-screen display terminal cannot be seen when the attribute of the application window is set to be invisible, and the large-screen display terminal cannot be seen only by setting the window attribute of the second-type application window to be hidden.
In addition, when windowing, windowing coordinate information is also set, for example, the display coordinate of the large-screen display end is an area with a positive X-axis coordinate, and in order to display the content in the application window on the large-screen display terminal, the application window should be also opened in the display coordinate of the large-screen display end.
For one type of application window, because the application window is the application window of the operating system, when the one type of application window is opened, the application window handle of the one type of application window is obtained, and then the one type of application window is immediately moved to a region outside the display coordinates of the large-screen display terminal, for example, the X-axis coordinate is negative, so that the content displayed in the one type of application window cannot be displayed on the large-screen display terminal.
For the second type of application windows, because the application windows are created by software, the attribute of the application windows is set to be invisible for the large-screen display terminal in two ways, one way is to set the window attribute of the second type of application windows to be hidden, so that signal source data cannot be displayed on the large-screen display terminal, and the other way is to directly create the second type of application windows in an area with negative X-axis coordinates, so that data to be previewed displayed in the second type of application windows cannot be displayed on the large-screen display terminal.
In an embodiment, after the corresponding application window is opened according to the window preview instruction, a window handle of the application window needs to be acquired, and after the window handle of the application window is acquired, the data to be previewed displayed in the current application window may be acquired according to the window handle.
In this embodiment, the image data currently displayed in the application window may be acquired according to the window handle, and then the image data is sent to the preview terminal in real time, so that the preview terminal can see the real-time image data in the application window, thereby implementing preview of the image data in the application window.
Optionally, before sending the image data to the preview terminal in real time, the image data needs to be encoded, and in addition, the encoded image data needs to be sent to the preview terminal through a specific communication protocol with the preview terminal.
In some embodiments, an application window previewing method is further provided, and fig. 2 is a schematic flow chart of the application window previewing method in another embodiment, as shown in fig. 2, the method includes the steps of:
s201, sending a window preview instruction to a service terminal; the window preview instruction is used for triggering the service terminal to start a corresponding application window and setting the attribute of the application window to be invisible for the large-screen display terminal;
in this step, the service terminal may be a computer, a tablet, a smart phone, or the like, and the preview terminal is pre-installed with service software, and can process a window preview instruction through the service software. In addition, the application environment of the embodiment may also be an intelligent terminal such as a computer and a tablet.
S202, receiving data to be previewed sent by the service terminal, wherein the data to be previewed is data displayed in the application window in real time.
In this step, after the application window is correspondingly opened in the service terminal, the signal source data in the service terminal is displayed in the application window, and the service software can acquire the data to be previewed in the application window.
And S203, displaying the data to be previewed.
In this step, the data to be previewed can be previewed in real time through the preview software.
In this embodiment, by issuing a window preview instruction to the service terminal, the service terminal opens a corresponding application window according to the window preview instruction, and sets the attribute of the application window to be invisible for the large-screen terminal, at this time, the application window is not displayed in the large-screen display terminal, receives the data to be previewed currently displayed by the application window, and then previews the data to be previewed. The application window is previewed by setting the attribute of the application window to be invisible for the large-screen display terminal.
For the step of S201, in an embodiment, the application window preview instruction includes windowing information corresponding to a type of the application window, and the service software in the service terminal opens the corresponding application window according to the windowing information, where the type of the application window includes: the method comprises the steps of firstly, obtaining a first type application window and a second type application window, wherein the first type application window is an application window of an operating system, and the second type application window is an application window created by software; the service software analyzes the windowing information, if the opened application window is a first-class application window, the application window of the operating system is correspondingly opened, and if the opened application window is a second-class application window, the service software needs to newly establish the application window.
Optionally, the service software may further open a corresponding application window according to the application window preview instruction in the following manner and set the attribute of the application window to be invisible for the large screen display terminal: if the application window is of one type, translating the display position of the application window on the large-screen display terminal to enable the application window to fall into a non-display area of the large-screen display terminal; if the application window is a second-class application window, setting the application window attribute of the application window to be hidden; or, the second type of application windows are created in the non-display area of the large-screen display terminal.
In this embodiment, since the first-class application window is an application window of the operating system, the window characteristics are complex, the application window attribute of the first-class application window is set to hide data to be previewed which may not be completely hidden in the application window, and the second-class application window is an application window created by software, the application window has a simple structure.
In addition, when the service software is opened, coordinate information of the opening is also set, for example, the display coordinate of the large-screen display terminal is an area with a positive X-axis coordinate, and in order to display the content in the application window on the large-screen display terminal, the application window should be opened in the display coordinate of the large-screen display terminal.
For one type of application window, because the application window is the application window of the operating system, when the one type of application window is opened, the application window handle of the one type of application window is obtained, and then the one type of application window is immediately moved to a region outside the display coordinates of the large-screen display terminal, for example, the X-axis coordinate is negative, so that the content displayed in the one type of application window cannot be displayed on the large-screen display terminal.
For the second type of application windows, because the application windows are created by software, the attribute of the application windows is set to be invisible for the large-screen display terminal in two ways, one way is to set the window attribute of the second type of application windows to be hidden, so that signal source data cannot be displayed on the large-screen display terminal, and the other way is to directly create the second type of application windows in an area with negative X-axis coordinates, so that data to be previewed displayed in the second type of application windows cannot be displayed on the large-screen display terminal.
In an embodiment, after the service software opens the corresponding application window according to the window preview instruction, the service software further needs to acquire a window handle of the application window, and after the window handle of the application window is acquired, the service software may acquire the data to be previewed displayed in the current application window according to the window handle.
In this embodiment, the service software may obtain the image data currently displayed by the application window according to the window handle. Optionally, after receiving the image data sent by the service software, the image data needs to be decoded, and in addition, the encoded image data needs to be received by the service terminal through a specific communication protocol.
Fig. 3 is a schematic flowchart of an application window preview method in a specific embodiment, as shown in fig. 3, preview software in a preview terminal sends a window preview instruction to service software in a service terminal, the service software opens or creates an application window, then the application window is set to be invisible for a large-screen display terminal, a specific setting method may be determined according to the type of the opened application window, after the window is successfully opened, a window handle of the application window needs to be obtained, then real-time image data in the application window is obtained according to the window handle, the service software encodes the obtained real-time image data, then sends the encoded image data to preview software, the preview software decodes the received image data, and then displays the received image data in real time, thereby implementing preview of the application window.
Based on the same idea as the application window previewing method in the embodiment, the invention further provides an application window previewing system, which can be used for executing the application window previewing method. For convenience of illustration, the structure of the embodiment of the application window preview system is only shown in the schematic diagram, and those skilled in the art will understand that the illustrated structure does not constitute a limitation to the system, and may include more or less components than those illustrated, or combine some components, or arrange different components.
Fig. 4 is a schematic structural diagram of an application window preview system in an embodiment, and as shown in fig. 4, the system includes:
the application window setting module 301 is configured to receive a window preview instruction sent by a preview terminal, open a corresponding application window according to the window preview instruction, and set an attribute of the application window to be invisible for the large-screen display terminal.
A preview data sending module 302, configured to obtain data currently displayed in the application window as data to be previewed, and send the data to be previewed to a preview terminal for previewing.
In this embodiment, the application window setting module receives a window preview instruction sent by the preview terminal, then correspondingly opens an application window to be previewed, and immediately sets the attribute of the application window to be invisible for the large-screen display terminal, at this time, the application window is not displayed in the large-screen display terminal, and the preview data sending module reads the data to be previewed currently displayed in the application window and sends the data to be previewed to the preview terminal for previewing in real time. The attribute of the application window is set to be invisible for the large-screen display terminal, so that the signal in the screen display application window can be previewed.
In an embodiment, the window preview instruction includes windowing information corresponding to an application window type; the types of the application windows comprise a first type of application window and a second type of application window; the first-class application window is an application window of an operating system, and the second-class application window is an application window created by software; the application window setting module 301 is configured to analyze the windowing information, open the first class of application windows according to the windowing information, or create the second class of application windows according to the windowing information.
Optionally, the application window setting module 301 is further configured to, according to the application window preview instruction, if the application window is a type of application window, translate the display position of the application window on the large-screen display terminal, so that the application window falls into a non-display area of the large-screen display terminal; if the application window is a second-class application window, setting the window attribute of the application window to be hidden; or, the second type of application windows are created in the non-display area of the large-screen display terminal.
In an embodiment, the application window setting module 301 further includes a handle obtaining module, and after the application window setting module starts a corresponding application window according to the window preview instruction, the handle obtaining module is configured to obtain a window handle of the application window; and/or the preview data sending module 302 is further configured to obtain the data to be previewed displayed in the current application window according to the window handle.
In another embodiment, before the preview data sending module 302 sends the data to be previewed to the preview end for previewing, the data to be previewed also needs to be encoded.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A method for previewing an application window is characterized by comprising the following steps:
receiving a window preview instruction sent by a preview terminal, opening a corresponding application window according to the window preview instruction and setting the attribute of the application window to be invisible for a large-screen display terminal;
acquiring currently displayed data of the application window as data to be previewed, and sending the data to be previewed to a previewing terminal for previewing; the currently displayed data of the application window corresponds to the signal source data of the application window;
the step of setting the attribute of the application window to be invisible for the large-screen display terminal comprises the following steps:
if the application window is of one type, translating the application window to enable the application window to fall into a non-display area of the large-screen display terminal;
if the application window is a second-class application window, setting the window attribute of the application window to be hidden; or, creating the second type of application windows in a non-display area of the large-screen display terminal;
the first-class application windows are application windows of an operating system, and the second-class application windows are application windows created by software.
2. The method for previewing the application window according to claim 1, wherein the window preview command includes windowing information corresponding to the type of the application window; the types of the application windows comprise the first type of application windows and the second type of application windows; the step of opening the corresponding application window according to the application window preview instruction comprises the following steps:
and analyzing the windowing information, and opening the first class of application windows according to the windowing information or creating the second class of application windows according to the windowing information.
3. The method for previewing an application window according to claim 1, further comprising, after opening the corresponding application window according to the window preview command:
and acquiring a window handle of the application window.
4. The method for previewing the application window according to claim 3, wherein the step of obtaining the data currently displayed by the application window as the data to be previewed comprises:
and acquiring the data to be previewed displayed in the current application window according to the window handle.
5. The application window previewing method according to claim 1, wherein the step before sending the data to be previewed to a previewing end for previewing further comprises:
and coding the data to be previewed.
6. A method for previewing an application window is characterized by comprising the following steps:
sending a window preview instruction to a service terminal; the window preview instruction is used for triggering the service terminal to start a corresponding application window and setting the attribute of the application window to be invisible for the large-screen display terminal;
receiving data to be previewed sent by the service terminal, wherein the data to be previewed is data displayed in the application window in real time; the data displayed in real time in the application window corresponds to the signal source data of the application window;
displaying the data to be previewed;
the step of setting the attribute of the application window to be invisible for the large-screen display terminal comprises the following steps:
if the application window is of one type, translating the application window to enable the application window to fall into a non-display area of the large-screen display terminal;
if the application window is a second-class application window, setting the window attribute of the application window to be hidden; or, creating the second type of application windows in a non-display area of the large-screen display terminal;
the first-class application windows are application windows of an operating system, and the second-class application windows are application windows created by software.
7. The application window previewing method according to claim 6, wherein the step before displaying the data to be previewed further comprises:
and decoding the data to be previewed.
8. An application window preview system, comprising:
the application window setting module is used for receiving a window preview instruction sent by a preview terminal, opening a corresponding application window according to the window preview instruction and setting the attribute of the window to be invisible for the large-screen display terminal;
the preview data sending module is used for acquiring data currently displayed by the application window as data to be previewed and sending the data to be previewed to a preview terminal for previewing; the currently displayed data of the application window corresponds to the signal source data of the application window;
the step of setting the attribute of the application window to be invisible for the large-screen display terminal comprises the following steps:
if the application window is of one type, translating the application window to enable the application window to fall into a non-display area of the large-screen display terminal;
if the application window is a second-class application window, setting the window attribute of the application window to be hidden; or, creating the second type of application windows in a non-display area of the large-screen display terminal;
the first-class application windows are application windows of an operating system, and the second-class application windows are application windows created by software.
9. 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 application window preview method of any of claims 1 to 7 when executing the computer program.
10. A computer storage medium having stored thereon a computer program, characterized in that the program, when executed by a processor, implements an application window preview method according to any of claims 1 to 7.
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| CN103067787A (en) * | 2013-01-31 | 2013-04-24 | 深圳市酷开网络科技有限公司 | Interaction system and method for intelligent television |
| CN104391453A (en) * | 2014-10-22 | 2015-03-04 | 北京恒泰实达科技股份有限公司 | Visual control room signal control method and system |
| CN104822077A (en) * | 2014-12-04 | 2015-08-05 | 腾讯科技（北京）有限公司 | Client operating method and client |
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