CN108132767A - Application widget method for previewing and system - Google Patents

Abstract

The invention relates to a preview method and system. The method includes: receiving an application window preview instruction sent by a preview terminal, opening a corresponding application window according to the application window preview instruction and setting the attribute of the application window to be invisible on a large-screen display terminal, obtaining the data to be previewed currently displayed in the application window, and storing the data to be previewed. The preview data is sent to the preview terminal for preview. The technical scheme of the present invention can realize the preview of the application window when the signal source exists.

Description

Application window preview method and system

technical field

The invention relates to the technical field of large-screen display, in particular to an application window preview method and system.

Background technique

Large-screen display technology is usually used in monitoring rooms and conference rooms. When displaying a certain video or picture on a large screen, in order to avoid unexpected situations that may cause errors in the displayed content, it is generally necessary to preview the content to be displayed first. The current signal preview only supports capture card type signals and IP network video signals for preview. In the above method of previewing signals, the signal source must exist, and the application window has not opened a window on the large wall, so there is no signal source, even if the above method is used, the preview of the application window cannot be realized.

Contents of the invention

Based on this, it is necessary to provide an application window preview method and system for the problem that the traditional signal preview method cannot preview the application window.

A method for previewing an application window, comprising the steps of:

Receiving a window preview instruction sent by the preview terminal, opening a corresponding application window according to the window preview instruction and setting the attribute of the application window to be invisible to the large-screen display terminal;

The data currently displayed in the application window is acquired as the data to be previewed, and the data to be previewed is sent to the preview terminal for previewing.

The above application window preview method, by receiving the window preview instruction sent by the preview terminal, correspondingly opens the application window that needs to be previewed, and immediately sets the attribute of the application window to be invisible on the large-screen display terminal. At this time, the large-screen display terminal will not The application window is displayed, 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 preview. The application window is previewed by setting the property of the application window to be invisible on the large-screen display terminal.

In one of the embodiments, the window preview instruction includes window opening information corresponding to the type of application window; the type of the application window includes a type of application window and a type of application window; wherein, the type of application window is an operation The application window of the system itself, the second type of application window is the application window created by the software itself; the corresponding application window can be opened according to the application window preview instruction in the following way: analyze the window opening information, and open the window according to the window opening information The application window of the first type, or the application window of the second type is created according to the window opening information.

In one of the embodiments, the corresponding application window can be opened according to the window preview instruction and the attribute of the application window is set to be invisible on the large-screen display terminal in the following manner: according to the window preview instruction, if the application window is One 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 the non-display area of the large-screen display terminal; if the application window is a second-type application window, set the The window attribute of the application window is hidden; or, the second type of application window is created in the non-display area of the large-screen display terminal.

In one of the embodiments, after opening the corresponding application window according to the window preview instruction, the application window handle of the application window can also be obtained; and/or, the currently displayed preview of the application window can be obtained in the following manner Data: Acquire the data to be previewed displayed in the current application window according to the handle.

In one of the embodiments, before the data to be previewed is sent to the preview terminal for previewing, the data to be previewed may also be encoded.

A method for previewing an application window, comprising the steps of:

Sending a window preview instruction to the service terminal; wherein, the preview instruction is used to trigger the service terminal to open the corresponding application window and set the attribute of the application window to be invisible to the large-screen display terminal;

receiving the data to be previewed sent by the service terminal, the data to be previewed is data displayed in real time in the application window;

and display the data to be previewed.

In the above application window preview method, by issuing a window preview instruction to the service terminal, the service terminal opens the corresponding application window according to the window preview instruction, and sets the attribute of the application window to be invisible on the large-screen terminal. At this time, the large-screen display terminal does not The application window is displayed, the data to be previewed currently displayed in the application window is received, and then the data to be previewed is previewed. The application window is previewed by setting the property of the application window to be invisible on the large-screen display terminal.

In one of the embodiments, before previewing the data to be previewed in real time, the data to be previewed may also be decoded.

An application window preview system, comprising:

The application window setting module is used to receive the window preview instruction sent by the preview terminal, open the corresponding application window according to the window preview instruction and set the attribute of the application window to be invisible on the large-screen display terminal;

The preview data sending module is used to obtain the data currently displayed in the application window as the data to be previewed, and send the data to be previewed to the preview terminal for preview.

In the above-mentioned application window preview system, the application window setting module receives the window preview instruction sent by the preview terminal, and then correspondingly opens the application window that needs to be previewed, and immediately sets the attribute of the application window to be invisible on the large-screen display terminal. At this time, the large-screen display The application window will not be displayed in the 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 in real time for preview. By setting the property of the application window to be invisible on the large-screen display terminal, the application window can be previewed.

A computer device includes a memory, a processor, and a computer program stored on the memory and operable on the processor. When the processor executes the computer program, the above method for previewing an application window is realized.

A computer storage medium, on which a computer program is stored, is characterized in that, when the program is executed by a processor, the above method for previewing an application window is realized.

Description of drawings

Fig. 1 is a schematic flowchart of an application window preview method in an embodiment;

FIG. 2 is a schematic flowchart of a method for previewing an application window in another embodiment;

Fig. 3 is a schematic flowchart of a method for previewing an application window in a specific embodiment;

Fig. 4 is a schematic structural diagram of an application window preview system in an embodiment.

Detailed ways

In order to further explain the technical means adopted by the present invention and the effects obtained, the technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with 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 steps of the method include:

S101. 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 on a large-screen display terminal.

In this step, the preview terminal can be a computer, a tablet, a smart phone, etc., preview software is pre-installed in the preview terminal, and a window preview command can be issued through the preview software. In addition, the application environment of this embodiment may also be a smart terminal such as a computer or a tablet, and the application window may be an application window running an application program in the smart terminal.

S102. 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 step, after opening the corresponding application window, the data of the signal source can be displayed in the application window. At this time, the data to be previewed displayed in the application window is obtained, and then the obtained data to be previewed is sent to the preview terminal for previewing .

In this embodiment, by receiving the window preview command sent by the preview terminal, correspondingly open the application window that needs to be previewed, and immediately set the attribute of the application window to be invisible on the large-screen display terminal. At this time, the large-screen display terminal will not display The application window reads the data to be previewed currently displayed in the application window, and sends the data to be previewed to the preview terminal in real time for preview. By setting the property of the application window so that the large-screen display terminal is invisible, the signal in the application window can be displayed on the screen for preview.

For the step of S101, in one embodiment, the preview command includes windowing information corresponding to the type of application window, and the type of application window includes a type of application window and a type of application window; wherein, the type of application window is the operating system itself The application window of the second type is an application window created by the software; the corresponding application window can be opened according to the window preview instruction in the following manner: analyze the window opening information, and open the first type of application window according to the window opening information An application window, or creating the second type of application window according to the window opening information.

In this embodiment, according to the window opening information sent by the preview terminal, the corresponding application window can be opened. For example, the operating system can be a Windows system, and the preview terminal previews a file in PPT format. Then, the operating system can be opened according to the window opening information. For Microsoft PowerPoint software, if the signal source data needs to be displayed in an application window created by the software, after receiving the window opening information, a second type of application window needs to be created correspondingly.

Optionally, it is also possible to open the corresponding application window according to the window preview instruction and set the attribute of the application window to be invisible on the large-screen display terminal in the following manner: according to the window preview instruction, if the application window is a class Application window, translate the display position of the application window on the large-screen display terminal, so that the application window falls into the non-display area of the large-screen display terminal; if the application window is a second-type application window, the window attribute of the application window is set as hiding; or, creating the second type of application window in the non-display area of the large-screen display terminal.

In this embodiment, since the first type of application window is the application window of the operating system itself, and the window characteristics are complicated, setting the window attribute of the first type of application window to hide may not completely hide the application window, and the second type of application window is created by the software itself. The application window can customize the characteristics of the application window. Therefore, when setting the attribute of the application window to be invisible on the large-screen display terminal, it is only necessary to set the window attribute of the second-type application window to hide, and the display can be realized on the large screen. The on-screen display terminal is not visible.

In addition, when the window is opened, the coordinate information of the window is also set. For example, the display coordinates of the large-screen display terminal are the area where the X-axis coordinate is positive. In order to make the content in the application window be displayed on the large-screen display terminal, the application window should also Open within the display coordinates of the large-screen display terminal.

For a type of application window, since it is the application window of the operating system itself, when opening the type of application window, obtain the application window handle of the type of application window, and then immediately move the type of application window to the display coordinates of the large-screen display terminal In addition, for example, the area where the X-axis coordinate is negative, so that the content displayed in a type of application window will not be displayed on the large-screen display terminal.

For the second type of application window, since it is an application window created by software, there are two ways to set the attribute of the application window to be invisible on the large-screen display terminal. One is to set the window attribute of the second type of application window to hide, then The signal source data will not be displayed on the large-screen display terminal. The second is to directly create a second-type application window in the area where the X-axis coordinates are negative, so the data to be previewed in the second-type application window will not be displayed on the large screen. displayed on the display terminal.

In an embodiment, after opening the corresponding application window according to the window preview instruction, it is also necessary to obtain the window handle of the application window. After obtaining the window handle of the application window, the window handle of the current application window can be obtained according to the window handle. The displayed data to be previewed.

In this embodiment, the image data currently displayed in the application window can be obtained according to the window handle, and then the image data is sent to the preview terminal in real time, and the real-time image data in the application window can be seen in the preview terminal, so as to realize the real-time image data in the application window. to preview the image data.

Optionally, before sending the image data to the preview terminal in real time, the image data needs to be encoded. 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, a method for previewing an application window is also provided. FIG. 2 is a schematic flowchart of a method for previewing an application window in another embodiment. As shown in FIG. 2 , the steps of the method include:

S201. Send a window preview instruction to the service terminal; wherein, the window preview instruction is used to trigger the service terminal to open the corresponding application window and set the attribute of the application window to be invisible to the large-screen display terminal;

In this step, the service terminal can be a computer, a tablet, a smart phone, etc., and the service software is pre-installed in the preview terminal, and the window preview command can be processed through the service software. In addition, the application environment of this embodiment may also be smart terminals such as computers and tablets.

S202. Receive data to be previewed sent by the service terminal, where the data to be previewed is data displayed in real time in the application window.

In this step, after the corresponding application window is opened in the service terminal, the signal source data in the service terminal will be displayed in the application window, and the service software can obtain the data to be previewed in the application window.

S203. Display 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 the corresponding application window according to the window preview instruction, and sets the attribute of the application window to be invisible on the large-screen terminal. At this time, the large-screen display terminal will not The application window is displayed, the data to be previewed currently displayed in the application window is received, and then the data to be previewed is previewed. The application window is previewed by setting the property of the application window to be invisible on the large-screen display terminal.

For the step of S201, in one embodiment, the application window preview instruction includes window opening information corresponding to the type of application window, and the service software in the service terminal opens the corresponding application window according to the window opening information. The types of application windows include: A first-class application window and a second-class application window, wherein the first-class application window is the application window of the operating system itself, and the second-class application window is an application window created by software; the service software parses the window opening information, if opened If the application window is a first-class application window, it is enough to open the application window of the operating system itself. If the opened application window is a second-class application window, the service software needs to create a new application window.

Optionally, the service software can also open the 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 on the large-screen display terminal: if the application window is a type of application window, pan The display position of the application window on the large-screen display terminal makes the application window fall into the non-display area of the large-screen display terminal; if the application window is a second-type application window, the application window attribute of the application window is set or, creating the second type of application window in the non-display area of the large-screen display terminal.

In this embodiment, since the application window of the first category is the application window of the operating system itself, and the window characteristics are complicated, setting the application window attribute of the application window of the first category to hidden may not completely hide the data to be previewed displayed in the application window. The window is an application window created by the software, and the structure of the application window is simple. Therefore, when the property of the application window is set to be invisible on the large-screen display terminal, it is only necessary to set the property of the application window of the second type of application window to be hidden, which can realize The large-screen display terminal is invisible.

In addition, when the service software opens the window, it also sets the coordinate information of the window. For example, the display coordinates of the large-screen display terminal are the areas where the X-axis coordinates are positive. In order to display the content in the application window on the large-screen display terminal, the application window It should also be opened within the display coordinates of the large-screen display terminal.

For a type of application window, since it is the application window of the operating system itself, when opening the type of application window, obtain the application window handle of the type of application window, and then immediately move the type of application window to the display coordinates of the large-screen display terminal In addition, for example, the area where the X-axis coordinate is negative, so that the content displayed in a type of application window will not be displayed on the large-screen display terminal.

For the second type of application window, since it is an application window created by software, there are two ways to set the attribute of the application window to be invisible on the large-screen display terminal. One is to set the window attribute of the second type of application window to hide, then The signal source data will not be displayed on the large-screen display terminal. The second is to directly create a second-type application window in the area where the X-axis coordinates are negative, then the data to be previewed in the second-type application window will not be displayed on the large screen. displayed on the display terminal.

In one embodiment, after the service software opens the corresponding application window according to the window preview instruction, it also needs to obtain the window handle of the application window. After obtaining the window handle of the application window, it can obtain the current application window according to the window handle. The data to be previewed displayed in the window.

In this embodiment, the service software can acquire 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 through a specific communication protocol with the service terminal.

Fig. 3 is a schematic flow chart of the application window preview method in a specific embodiment. As shown in Fig. 3, the preview software in the preview terminal sends a window preview instruction to the service software in the service terminal, and the service software opens or creates the application window, and then Set the application window to be invisible to the large-screen display terminal. The specific setting method can be determined according to the type of application window opened. After the window is successfully opened, the window handle of the application window needs to be obtained, and then the window handle of the application window is obtained according to the window handle. Real-time image data, the service software encodes the acquired real-time image data, and then sends the encoded image data to the preview software, the preview software decodes the received image data, and then displays the received image data in real time, so as to realize the A preview of the application window.

Based on the same ideas as the application window preview method in the above embodiments, the present invention also provides an application window preview system, which can be used to implement the above application window preview method. For ease of description, in the schematic structural diagram of the embodiment of the application window preview system, only the parts related to the embodiment of the present invention are shown. Those skilled in the art can understand that the illustrated structure does not constitute a limitation on the system, and may include comparison diagrams. More or fewer components, or combinations of certain components, or different arrangements of components are shown.

Fig. 4 is a schematic structural diagram of an application window preview system in an embodiment, as shown in Fig. 4, the system shown includes:

The application window setting module 301 is configured to receive a window preview instruction sent by the preview terminal, open a corresponding application window according to the window preview instruction, and set the attribute of the application window to be invisible on the large-screen display terminal.

The preview data sending module 302 is configured to acquire the data currently displayed in the application window as the data to be previewed, and send the data to be previewed to the preview terminal for previewing.

In this embodiment, the application window setting module receives the window preview instruction sent by the preview terminal, and then correspondingly opens the application window that needs to be previewed, and immediately sets the attribute of the application window to be invisible on the large-screen display terminal. At this time, the large-screen display terminal The application window will not be displayed in the application window, 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 in real time for preview. By setting the property of the application window so that the large-screen display terminal is invisible, the signal in the application window can be displayed on the screen for preview.

In one embodiment, the window preview instruction includes window opening information corresponding to the type of application window; the type of the application window includes a type-1 application window and a type-2 application window; wherein, the type-1 application window is an operating system Its own application window, the second type of application window is an application window created by software; the application window setting module 301 is used to analyze the window opening information, open the first type of application window according to the window opening information, or open the first type of application window according to the window opening information The window opening information creates the second type of application window.

Optionally, the application window setting module 301 is also configured to translate the display position of the application window on the large-screen display terminal if the application window is a type of application window according to the application window preview instruction, so that the application window fall into the non-display area of the large-screen display terminal; if the application window is a second-type application window, then set the window attribute of the application window to be hidden; or create the second-type application in the non-display area of the large-screen display terminal window.

In an embodiment, a handle acquisition module is also included, and after the application window setting module 301 opens the corresponding application window according to the window preview instruction, the handle acquisition module is used to acquire the window handle of the application window; and/or, The preview data sending module 302 is further configured to acquire the data to be previewed displayed in the current application window according to the window handle.

In another embodiment, the data to be previewed needs to be encoded before the preview data sending module 302 sends the data to be previewed to the preview terminal for previewing.

The technical features of the above-mentioned embodiments can be combined arbitrarily. To make the description concise, all possible combinations of the technical features in the above-mentioned embodiments are not described. However, as long as there is no contradiction in the combination of these technical features, should be considered as within the scope of this specification.

The above-mentioned embodiments only express several implementation modes of the present invention, and the descriptions thereof are relatively specific and detailed, but should not be construed as limiting the patent scope of the invention. It should be pointed out that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the patent for the present invention should be based on the appended claims.

Claims (10)

1. a kind of application widget method for previewing, which is characterized in that include the following steps：

The window preview instruction that preview terminal is sent is received, is instructed according to the window preview and is opened corresponding application widget and set The attribute of the application widget is invisible for large-size screen monitors display terminal；

It obtains the data conduct that the application widget is currently shown and treats preview data, treat that preview data is sent to preview end by described End carries out preview.

2. application widget method for previewing according to claim 1, which is characterized in that window preview instruction includes pair Answer the windowing information of application widget type；The type of the application widget includes a kind of application widget and two class application widgets； Wherein, a kind of application widget is the application widget of operating system itself, and the two classes application widget is created for software itself Application widget；

Described the step of corresponding application widget is opened according to the application widget instruction for previewing, including：

The windowing information is parsed, a kind of application widget is opened or according to the windowing information according to the windowing information Create the two classes application widget.

3. application widget method for previewing according to claim 2, which is characterized in that described to be instructed according to the window preview It opens corresponding application widget and the attribute of the application widget is set to include for the sightless step of large-size screen monitors display terminal：

It is instructed according to the window preview, if the application widget is a kind of application widget, translates the application widget so that institute State the non-display area that application widget falls into large-size screen monitors display terminal；

If the application widget is two class application widgets, the window attribute for setting the application widget is hiding；Or, in large-size screen monitors Display terminal non-display area creates the two classes application widget.

4. application widget method for previewing according to claim 1, which is characterized in that opened according to window preview instruction After opening corresponding application widget, further include：

Obtain the window handle of the application widget；

And/or the data that the acquisition application widget is currently shown are used as the step for the treatment of preview data, including：

According to the window handle, what is shown in acquisition current application window treats preview data.

5. application widget method for previewing according to claim 1, which is characterized in that treating that preview data is sent to by described It the step of before the progress preview of preview end, further includes：

Treat that preview data encodes to described.

6. a kind of application widget method for previewing, which is characterized in that include the following steps：

Window preview instruction is sent to service terminal；Wherein, the window preview instruction is for triggering service terminal unlatching pair It answers application widget and sets the attribute of the application widget invisible for large-size screen monitors display terminal；

The preview data for the treatment of of the service terminal transmission is received, it is described to treat preview data for real-time display in the application widget Data；

Treat that preview data is shown to described.

7. application widget method for previewing according to claim 6, which is characterized in that before live preview treats preview data The step of, it further includes：

Treat that preview data is decoded to described.

8. a kind of application widget prebrowsing system, which is characterized in that including：

Application widget setup module for receiving the window preview instruction of preview terminal transmission, is instructed according to the window preview It opens corresponding application widget and sets the attribute of the window invisible for large-size screen monitors display terminal；

Preview data sending module treats preview data, by described in for obtaining the data conduct that the application widget is currently shown Treat that preview data is sent to preview terminal and carries out preview.

9. a kind of computer equipment, including memory, processor and it is stored on the memory and can be in the processor The computer program of upper operation, which is characterized in that the processor realized when performing the computer program as claim 1 to Application widget method for previewing described in 7 any one.

10. a kind of computer storage media, is stored thereon with computer program, which is characterized in that the program is executed by processor Application widget method for previewing of the Shi Shixian as described in claim 1 to 7 any one.