CN114896002A - Browser application window level switching method and device based on Wayland protocol - Google Patents
Browser application window level switching method and device based on Wayland protocol Download PDFInfo
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Abstract
The invention discloses a browser application window level switching method and device based on a Wayland protocol, and relates to the technical field of embedded Linux equipment. The method comprises the following steps: modifying an API (application programming interface) used by Wayland for marking the category to which the window belongs, and marking the classification set by the window into a plurality of levels through the API; setting a hierarchy for the application windows according to a set rule, and then sequencing according to the priority of the application windows; the priorities of the application windows are firstly sorted according to the levels, and if more than one application window level is positioned at the same level, the application windows are sorted according to the proximity degree of the level setting time and the current time; and displaying the application window according to the sorting result. The browser application window level switching method and device based on the Wayland protocol realize free switching of the browser application window level and flexible display of a front-end interface under the condition that a browser of Wayland display service is used as a front-end UI display environment in an embedded Linux system.
Description
Technical Field
The invention relates to the technical field of embedded Linux equipment, in particular to a browser application window level switching method and device based on a Wayland protocol.
Background
The currently popular H5 application usually uses a browser as a display container in embedded applications, and has the characteristics of easy development and rich functions, and with the progress of technology, the applications in a general system are very diverse, and many different applications can exist simultaneously. In the browser system based on the Wayland protocol, a browser is a container of applications, the applications are independent of one another, and each application corresponds to one Wayland window.
However, the existing browser system of Wayland protocol does not provide the function of adjusting the window level of each application, and thus cannot meet the application requirements of the embedded system.
Disclosure of Invention
The technical problem to be solved by the present invention is to provide a browser application window level switching method and device based on the Wayland protocol, which solves the management of the window level of the browser based on the Wayland protocol and provides diversified display control for various applications.
In a first aspect, the present invention provides a browser application window level switching method based on the Wayland protocol, including:
modifying an API (application programming interface) used by Wayland for marking the category to which the window belongs, and marking the classification set by the window into a plurality of levels through the API;
setting a hierarchy for the application windows according to a set rule, and then sequencing according to the priority of the application windows; the priorities of the application windows are firstly sorted according to the levels, and if more than one application window level is positioned at the same level, the application windows are sorted according to the proximity degree of the level setting time and the current time;
and displaying the application window according to the sorting result.
Further, the method also comprises the step of displaying the application interface of the lower layer window according to the transparency set by the window displayed at the top.
Further, the setting a hierarchy for the application window according to the setting rule specifically includes:
when the first application window is opened, automatically allocating the first application window as a first level and displaying the first level at the top;
when the nth application window is opened, automatically allocating the nth application window as a first level and displaying the nth application window at the top, wherein n is a natural number;
when an mth application window needs to be displayed at the top, modifying the hierarchy of the mth application window into a second hierarchy and displaying the second hierarchy at the top, wherein m is a natural number and m < n;
when a new application window is opened, automatically allocating the new application window to be the same level as the current highest level;
and modifying the hierarchy of the appointed non-current window into a hierarchy higher than the current highest level according to the user operation, and modifying the hierarchy of the application window into the hierarchy of the highest level if the current highest level is the highest level.
Further, the API is specifically xdg _ level _ set _ app _ id or zxdg _ level _ v6_ set _ app _ id.
Further, the displaying the application window according to the hierarchical setting specifically includes:
using weston as a server and a rendering synthesizer of Wayland, using a browser as a client of Wayland, communicating with weston through a protocol of Wayland, and realizing application window display operation at the weston end;
when the Wayland client calls the API for marking the category to which the window belongs, the wetson executes the corresponding interface and calls the interface weston _ layer _ set _ position of the display hierarchy of the internal control window of the weston to display the application window of the highest hierarchy.
In a second aspect, the present invention provides a browser application window hierarchy switching apparatus based on the Wayland protocol, including: the system comprises an API module, an application level management module and a window display module;
the API module is used for modifying the API which is used by Wayland for marking the category to which the window belongs, and the classification set by the window is marked into a plurality of levels through the API;
the application level management module is used for setting levels for the application windows according to a set rule and then sequencing the application windows according to the priority levels of the application windows; the priorities of the application windows are firstly sorted according to the levels, and if more than one application window level is positioned at the same level, the application windows are sorted according to the proximity degree of the level setting time and the current time;
and the window display module is used for displaying the application window according to the sequencing result.
Further, the window display module is further configured to display the application interface of the lower window according to the transparency set for the window that is displayed at the top.
Further, in the application level management module, a level is set for the application window according to a set rule, specifically:
when the first application window is opened, automatically allocating the first application window as a first level and displaying the first level at the top;
when the nth application window is opened, automatically allocating the nth application window as a first level and displaying the nth application window at the top, wherein n is a natural number;
when an mth application window needs to be displayed at the top, modifying the hierarchy of the mth application window into a second hierarchy and displaying the second hierarchy at the top, wherein m is a natural number and m < n;
when a new application window is opened, automatically allocating the new application window to be the same level as the current highest level;
and modifying the hierarchy of the appointed non-current window into a hierarchy higher than the current highest level according to the user operation, and modifying the hierarchy of the application window into the hierarchy of the highest level if the current highest level is the highest level.
Further, in the API module, the API is specifically xdg _ level _ set _ app _ id or zxdg _ level _ v6_ set _ app _ id.
Further, the window display module specifically includes:
using weston as a server and a rendering synthesizer of Wayland, using a browser as a client of Wayland, communicating with weston through a protocol of Wayland, and realizing application window display operation at the weston end;
when the Wayland client calls the API for marking the category to which the window belongs, the wetson executes the corresponding interface and calls the interface weston _ layer _ set _ position of the display hierarchy of the internal control window of the weston to display the application window of the highest hierarchy.
The technical scheme provided by the embodiment of the invention has the following technical effects or advantages:
1. the classification marks set by the windows are marked into a plurality of levels through an API (application programming interface), so that the windows can be sorted according to the display priority through the level marks, and the application windows are displayed according to the sorting result, thereby solving the problem that when the Wayland service is used as the display service in a browser, the browser can not freely switch the levels among a plurality of windows as a window client, and achieving the purpose that the application can control the level where the application is located in a mode of setting the attribute of the application and display the application to be displayed on the uppermost layer;
2. by setting and displaying the application interface of the lower layer window according to the transparency, some special display effects such as subtitles and the like can be achieved through different layer combinations, and a rich UI display effect is provided for a solution scheme that a browser using Wayland as a display service is used as a UI container.
The above description is only an overview of the technical solutions of the present invention, and the present invention can be implemented in accordance with the content of the description so as to make the technical means of the present invention more clearly understood, and the above and other objects, features, and advantages of the present invention will be more clearly understood.
Drawings
The invention will be further described with reference to the following examples with reference to the accompanying drawings.
FIG. 1 is a flow chart of a method according to one embodiment of the present invention;
FIG. 2 is a schematic diagram of a window level display according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a device according to a second embodiment of the present invention.
Detailed Description
The embodiment of the application provides a browser application window level switching method and device based on the Wayland protocol, so that the management of the window level of the browser based on the Wayland protocol is solved, and diversified display control is provided for various applications.
The technical scheme in the embodiment of the application has the following general idea:
on the Wayland-based system, the browser cannot control the display level of the browser sub-window through the API provided by Wayland. The browser supports multi-window and multi-thread, and needs to support switching between different applications in part of requirements, which cannot be realized by the current Wayland protocol.
Currently popular H5 application usually uses a browser as a display container in embedded applications, and has the characteristics of easy development and rich functions, and with the progress of technology, the applications in a general system are very diverse, and many different applications can exist simultaneously, so that under the service of Wayalnd, the browser is required to be capable of supporting direct hierarchical management and switching among multiple windows. The invention solves the problem of window level management of the browser based on the Wayland protocol and provides diversified display control for various applications.
1. For the specific implementation of the application to application window hierarchy setting:
one application scenario of the Wayland legacy API can be modified first:
xdg _ level _ set _ app _ id or zxdg _ level _ v6_ set _ app _ id
The API is intended to set an ID for the current window to which it belongs, to mark the category to which the window belongs. The invention partially modifies the effect of the API, and the classification of the window settings, marked as "order _ 1" - "order _ 5", respectively represents 5 levels, although more levels can be set, which is only illustrated here.
When the application sets different hierarchies, the Wayland Server adjusts each window to the hierarchy according to the order hierarchy set by the window in real time. The interface is displayed according to the hierarchy, the uppermost layer is displayed, the bottom layer is displayed according to the transparency of the upper layer, and if the lower layer is not transparent, only the application of the uppermost layer is displayed.
By the method, the application window can control the window levels, and the browser window levels can be freely switched by informing the states of the windows.
2. For the specific implementation of the application window hierarchical display:
in the embedded Linux system, weston is used as a server and a rendering synthesizer of Wayland, and a browser is used as a client of Wayland, communicates with weston through the protocol of Wayland, and realizes window display and other operations at the weston end.
In WESTON, several LAYERs are set by default, and different types of hierarchies can be controlled, for example, wet _ LAYER _ POSITION _ BACKGROUND is a BACKGROUND LAYER and is the lowest LAYER where contents can be displayed. The store _ LAYER _ POSITION _ NORMAL is a display LAYER of a conventional application, such as a browser, belonging to this hierarchy. The browser is a Wayland client with a plurality of windows, which are displayed under the hierarchy of the windows of the client by default, and no interface is provided in the Wayland protocol, so that the display hierarchy of the windows of the client can be switched on the client.
The invention adds some display LAYERs, WESTON _ LAYER _ POSITION _ NORMAL + 1. + 5. (the larger the value, the higher the display LAYER of the window is), corresponding to the order _ 1.. oder 5. set in the set _ app _ id interface, and controls the LAYER of each window according to the app _ id set by the Walland client for each window.
The key point of the invention is that in the condition that a browser of Wayland display service is used as a front-end UI display environment in an embedded Linux system, the window level of the browser application can be freely switched, and the application can switch the level of the window according to the self condition, so that the front-end interface can be flexibly displayed. By improving the effect of the API in the Wayland protocol, the application can control the level of the application in a mode of setting the attribute of the application, so that the application to be displayed is displayed on the uppermost layer, and meanwhile, special display effects such as subtitles can be achieved through different layer combinations.
Example one
The present embodiment provides a browser application window hierarchy switching method based on the Wayland protocol, as shown in fig. 1 to 2, including:
modifying an API (application programming interface) used by Wayland for marking the category to which the window belongs, and marking the classification set by the window into a plurality of levels through the API;
setting a hierarchy for the application windows according to a set rule, and then sequencing according to the priority of the application windows; the priorities of the application windows are firstly sorted according to the levels, and if more than one application window level is positioned at the same level, the application windows are sorted according to the proximity degree of the level setting time and the current time;
and displaying the application window according to the sorting result.
Preferably, the method further comprises displaying the application interface of the lower window according to the transparency set by the window displayed at the top.
In a particular implementation:
the method for setting the hierarchy for the application window according to the set rule specifically comprises the following steps:
when the first application window is opened, automatically allocating the first application window as a first level and displaying the first level at the top;
when the nth application window is opened, automatically allocating the nth application window as a first level and displaying the nth application window at the top, wherein n is a natural number;
when an mth application window needs to be displayed at the top, modifying the hierarchy of the mth application window into a second hierarchy and displaying the second hierarchy at the top, wherein m is a natural number and m < n;
when a new application window is opened, automatically allocating the new application window to be the same level as the current highest level;
and modifying the hierarchy of the appointed non-current window into a hierarchy higher than the current highest level according to the user operation, and modifying the hierarchy of the application window into the hierarchy of the highest level if the current highest level is the highest level.
The API is specifically xdg _ level _ set _ app _ id or zxdg _ level _ v6_ set _ app _ id.
The displaying of the application window according to the hierarchical setting specifically comprises:
using weston as a server and a rendering synthesizer of Wayland, using a browser as a client of Wayland, communicating with weston through a protocol of Wayland, and realizing application window display operation at the weston end;
when the Wayland client calls the API for marking the category to which the window belongs, the wetson executes the corresponding interface and calls the interface weston _ layer _ set _ position of the display hierarchy of the internal control window of the weston to display the application window of the highest hierarchy.
Based on the same inventive concept, the application also provides a device corresponding to the method in the first embodiment, which is detailed in the second embodiment.
Example two
In this embodiment, there is provided a browser application window hierarchy switching apparatus based on the Wayland protocol, as shown in fig. 3, including: the system comprises an API module, an application level management module and a window display module;
the API module is used for modifying the API which is used by Wayland for marking the category to which the window belongs, and the classification set by the window is marked into a plurality of levels through the API;
the application level management module is used for setting levels for the application windows according to a set rule and then sequencing the application windows according to the priority levels of the application windows; the priorities of the application windows are firstly sorted according to the levels, and if more than one application window level is positioned at the same level, the application windows are sorted according to the proximity degree of the level setting time and the current time;
and the window display module is used for displaying the application window according to the sequencing result.
In a particular implementation:
the window display module is also used for displaying the application interface of the lower layer window according to the transparency set by the window displayed at the top.
In the application level management module, a level is set for an application window according to a set rule, and the method specifically comprises the following steps:
when the first application window is opened, automatically allocating the first application window as a first level and displaying the first level at the top;
when the nth application window is opened, automatically allocating the nth application window as a first level and displaying the nth application window at the top, wherein n is a natural number;
when an mth application window needs to be displayed at the top, modifying the hierarchy of the mth application window into a second hierarchy and displaying the second hierarchy at the top, wherein m is a natural number and m < n;
when a new application window is opened, automatically allocating the new application window to be the same level as the current highest level;
and modifying the hierarchy of the appointed non-current window into a hierarchy higher than the current highest level according to the user operation, and modifying the hierarchy of the application window into the hierarchy of the highest level if the current highest level is the highest level.
In the API module, the API is specifically xdg _ level _ set _ app _ id or zxdg _ level _ v6_ set _ app _ id.
The window display module specifically comprises:
using weston as a server and a rendering synthesizer of Wayland, using a browser as a client of Wayland, communicating with weston through a protocol of Wayland, and realizing application window display operation at the weston end;
when the Wayland client calls the API for marking the category to which the window belongs, the wetson executes the corresponding interface and calls the interface weston _ layer _ set _ position of the display hierarchy of the internal control window of the weston to display the application window of the highest hierarchy.
Since the apparatus described in the second embodiment of the present invention is an apparatus used for implementing the method of the first embodiment of the present invention, based on the method described in the first embodiment of the present invention, a person skilled in the art can understand the specific structure and the deformation of the apparatus, and thus the details are not described herein. All the devices adopted in the method of the first embodiment of the present invention belong to the protection scope of the present invention.
According to the invention, the classification marks set by the windows are marked into a plurality of levels through the API, so that the windows can be sorted according to the display priority through the level marks, and the application windows are displayed according to the sorting result, thereby solving the problem that when the Wayland service is used as the display service in a browser, the browser can not freely switch the levels among a plurality of windows as a window client, and achieving the purpose that the application can control the level where the application is located in a mode of setting the attribute of the application and the application to be displayed is displayed on the uppermost layer; by setting and displaying the application interface of the lower layer window according to the transparency, special display effects such as subtitles and the like can be achieved through different layer combinations, and rich UI display effects are provided for a solution scheme that a browser using Wayland as display service is used as a UI container.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
Although specific embodiments of the invention have been described above, it will be understood by those skilled in the art that the specific embodiments described are illustrative only and are not limiting upon the scope of the invention, and that equivalent modifications and variations can be made by those skilled in the art without departing from the spirit of the invention, which is to be limited only by the appended claims.
Claims (10)
1. A browser application window level switching method based on a Wayland protocol is characterized by comprising the following steps:
modifying an API (application programming interface) used by Wayland for marking the category to which the window belongs, and marking the classification set by the window into a plurality of levels through the API;
setting a hierarchy for the application windows according to a set rule, and then sequencing according to the priority of the application windows; the priorities of the application windows are firstly sorted according to the levels, and if more than one application window level is positioned at the same level, the application windows are sorted according to the proximity degree of the level setting time and the current time;
and displaying the application window according to the sorting result.
2. The method of claim 1, wherein: and the application interface of the lower layer window is displayed according to the transparency set by the window displayed at the top.
3. The method of claim 1, wherein: the method for setting the hierarchy for the application window according to the set rule specifically comprises the following steps:
when the first application window is opened, automatically allocating the first application window as a first level and displaying the first level at the top;
when the nth application window is opened, automatically allocating the nth application window as a first level and displaying the nth application window at the top, wherein n is a natural number;
when an mth application window needs to be displayed at the top, modifying the hierarchy of the mth application window into a second hierarchy and displaying the second hierarchy at the top, wherein m is a natural number and m < n;
when a new application window is opened, automatically allocating the new application window to be the same level as the current highest level;
and modifying the hierarchy of the appointed non-current window into a hierarchy higher than the current highest level according to the user operation, and modifying the hierarchy of the application window into the hierarchy of the highest level if the current highest level is the highest level.
4. The method of claim 1, wherein: the API is specifically xdg _ level _ set _ app _ id or zxdg _ level _ v6_ set _ app _ id.
5. The method of claim 1, wherein: the displaying of the application window according to the hierarchical setting specifically comprises:
using weston as a server and a rendering synthesizer of Wayland, using a browser as a client of Wayland, communicating with weston through a protocol of Wayland, and realizing application window display operation at the weston end;
when the Wayland client calls the API for marking the category to which the window belongs, the wetson executes the corresponding interface and calls the interface weston _ layer _ set _ position of the display hierarchy of the internal control window of the weston to display the application window of the highest hierarchy.
6. A browser application window hierarchy switching apparatus based on the Wayland protocol, comprising: the system comprises an API module, an application level management module and a window display module;
the API module is used for modifying the API which is used by Wayland for marking the category to which the window belongs, and the classification set by the window is marked into a plurality of levels through the API;
the application level management module is used for setting levels for the application windows according to a set rule and then sequencing the application windows according to the priority levels of the application windows; the priorities of the application windows are firstly sorted according to the levels, and if more than one application window level is positioned at the same level, the application windows are sorted according to the proximity degree of the level setting time and the current time;
and the window display module is used for displaying the application window according to the sequencing result.
7. The apparatus of claim 6, wherein: the window display module is also used for displaying the application interface of the lower layer window according to the transparency set by the window displayed at the top.
8. The apparatus of claim 6, wherein: in the application level management module, a level is set for an application window according to a set rule, and the method specifically comprises the following steps:
when the first application window is opened, automatically allocating the first application window as a first level and displaying the first level at the top;
when the nth application window is opened, automatically allocating the nth application window as a first level and displaying the nth application window at the top, wherein n is a natural number;
when an mth application window needs to be displayed at the top, modifying the hierarchy of the mth application window into a second hierarchy and displaying the second hierarchy at the top, wherein m is a natural number and m < n;
when a new application window is opened, automatically allocating the new application window to be the same level as the current highest level;
and modifying the hierarchy of the appointed non-current window into a hierarchy higher than the current highest level according to the user operation, and modifying the hierarchy of the application window into the hierarchy of the highest level if the current highest level is the highest level.
9. The apparatus of claim 6, wherein: in the API module, the API is specifically xdg _ level _ set _ app _ id or zxdg _ level _ v6_ set _ app _ id.
10. The apparatus of claim 6, wherein: the window display module specifically comprises:
using weston as a server and a rendering synthesizer of Wayland, using a browser as a client of Wayland, communicating with weston through a protocol of Wayland, and realizing application window display operation at the weston end;
when the Wayland client calls the API for marking the category to which the window belongs, the wetson executes the corresponding interface and calls the interface weston _ layer _ set _ position of the display hierarchy of the internal control window of the weston to display the application window of the highest hierarchy.
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| CN115309315A (en) * | 2022-10-11 | 2022-11-08 | 麒麟软件有限公司 | Screenshot method, system and medium for X application in Wayland environment |
| CN115309315B (en) * | 2022-10-11 | 2023-01-20 | 麒麟软件有限公司 | Screenshot method, system and medium for X application in Wayland environment |
| CN115686727A (en) * | 2023-01-04 | 2023-02-03 | 麒麟软件有限公司 | Method for realizing synthetic rendering based on WLroots |
| CN115686727B (en) * | 2023-01-04 | 2023-04-14 | 麒麟软件有限公司 | Method for realizing synthesis rendering based on wlroots |
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Application publication date: 20220812 |