CN116225589A - Multi-process screen display method, device, equipment and storage medium - Google Patents

Multi-process screen display method, device, equipment and storage medium Download PDF

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Publication number
CN116225589A
CN116225589A CN202211692958.2A CN202211692958A CN116225589A CN 116225589 A CN116225589 A CN 116225589A CN 202211692958 A CN202211692958 A CN 202211692958A CN 116225589 A CN116225589 A CN 116225589A
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Prior art keywords
window
sub
mode
screen
screen display
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Inventor
汪宏毅
戴晓华
孔金
罗幸明
刘威
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Zhejiang Supcon Technology Co Ltd
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Zhejiang Supcon Technology Co Ltd
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/44—Arrangements for executing specific programs
    • G06F9/451—Execution arrangements for user interfaces
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/30—Monitoring
    • G06F11/32—Monitoring with visual or acoustical indication of the functioning of the machine
    • G06F11/323—Visualisation of programs or trace data
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management

Abstract

Aiming at the problem that each screen of the existing DCS system can only display one large picture (single window monitoring) at a time, the invention realizes a screen display scheme of a full-screen mode and a multi-window mode through multiple processes, and when a plurality of sub-window processes are triggered in the full-screen mode, one sub-window process is displayed in a full screen mode, and other sub-window processes are switched by functional keys; in the multi-window mode, when a plurality of sub-window processes are triggered, the sub-window processes are displayed in a stacked mode or a horizontal tiling mode or a vertical tiling mode. Therefore, the function of displaying a plurality of monitoring pictures on one screen at a time is realized, the monitoring efficiency is improved, and the monitoring cost is reduced.

Description

Multi-process screen display method, device, equipment and storage medium
Technical Field
The invention belongs to the technical field of DCS monitoring, and particularly relates to a multi-process screen display method, device, equipment and storage medium.
Background
The domestic DCS (Distributed Control System) manufacturer mostly uses a small area above the screen to fix a function button-monitoring head, and a flow chart, a trend chart, a system state chart and the like are displayed below the monitoring head in a base chart (or called a large picture), and each screen can only display one large picture (single window monitoring) at a time. In practice, an operator often needs to monitor several flowcharts and several trend charts at the same time, and multiple screens can be barely satisfied, but the number of screens is limited, and the screens are more inconvenient to observe and operate.
Domestic DCS manufacturers generally take a single-window monitoring scheme in a full-screen mode as a main scheme, and a plurality of base map large pictures to be monitored simultaneously must be realized through multiple screens, and generally support 4 screens at most. The main disadvantages are: the number of screens is limited, and the cost is high; the screen is more, inconvenient observation, complex operation.
The foreign DCS system adopts a single-process-based multi-window monitoring scheme, and the monitoring software is realized based on a multi-document program framework of an MFC. The main disadvantages are: the coupling degree between the modules is extremely high, all functions are realized in the same module, and one module is abnormal, so that the whole process is crashed and all functions are invalid. In addition, from the development point of view, this approach is not conducive to parallel development.
However, a large portion of users, typically in the power industry, often have only one screen for one operating node for cost reasons. Monitoring multiple flowcharts and trend graphs simultaneously on one screen becomes an urgent problem to be solved.
Disclosure of Invention
The invention aims to provide a multi-process screen display method, device, equipment and storage medium, which realize two monitoring schemes of full screen and multi-window, solve the problem that a single screen can only monitor a large picture of a base map at the same time, and solve the problem that the multi-window monitoring scheme based on a single process has large coupling degree.
In order to solve the problems, the technical scheme of the invention is as follows:
a multi-process screen display method, comprising: full screen mode, multi-window mode;
in a full-screen mode, when a plurality of sub-window processes are triggered, displaying one sub-window process in a full screen mode, and switching other sub-window processes by using function keys;
in the multi-window mode, when a plurality of sub-window processes are triggered, displaying in a stacking mode or a horizontal tiling mode or a vertical tiling mode;
when the horizontal tiling mode or the vertical tiling mode is executed, a main window handle of a sub-window process is obtained, the display position and the display size of each sub-window are calculated according to a preset tiling algorithm, and the sub-window is moved to a designated position through the main window handle.
According to an embodiment of the present invention, when the horizontal tiling algorithm is executed in the multi-window mode, when the total number total of sub-windows satisfies n×n < =total < (n+1) ×n+1, the following equation is established:
total＝N*M+A
Figure BDA0004022040480000021
M＝total/N
A＝total-N*M
wherein N is the column number of the sub-window arrangement, M is the row number of the sub-window arrangement, A is the column with M+1 rows.
According to an embodiment of the present invention, when the vertical tiling algorithm is executed in the multi-window mode, when the total number total of sub-windows satisfies n×n < =total < (n+1) ×n+1, the following equation is established:
total＝N*M+A
Figure BDA0004022040480000022
M＝total％N
A＝total-N*M
wherein N is the number of rows of the sub-window arrangement, M is the number of columns of the sub-window arrangement, A is the column with N+1 rows.
According to an embodiment of the invention, in the multi-window mode, multi-window minimization is achieved to the lower left corner of the screen.
According to an embodiment of the present invention, the minimizing the multiple windows to the lower left corner of the screen further includes:
removing an original title bar of a main window process, and self-drawing the title bar at the upper part of a client area of a main window, wherein the self-drawing title bar comprises a left icon, a title text, a right minimum button, a right maximum button and a closing button, and is realized through message reloading including left key pressing, mouse moving, window size changing and window activating;
when the child window is minimized, the child window process sends a message transmission minimizing instruction and a child window communication window name parameter to the monitoring process, and the multi-window management class performs the minimizing operation.
According to an embodiment of the present invention, the minimizing operation by the multi-window management class further includes:
the multi-window management class comprises a sub-window minimum information structure body and a sub-window minimum management class;
the sub-window minimizing information structure is used for providing minimizing and canceling minimizing operation, storing whether minimizing, minimizing window handle, minimizing position and size;
the sub-window minimization management class is used for storing a minimization information array, is designed according to 16 upper limit of the number of the sub-windows, and achieves window minimization and window minimization cancellation operation.
According to an embodiment of the invention, when the multiple windows are minimized to the lower left corner of the screen, the positions of the multiple sub-windows are distributed from the lower left corner of the screen, are arranged in the back row from left to right and are arranged from bottom to top;
if one of the minimized sub-windows is restored, the next minimized sub-window occupies its position in the position distribution order.
A multi-process screen display device comprising:
the full-screen display module displays one sub-window process in a full screen mode when triggering a plurality of sub-window processes, and switches other sub-window processes by using function keys;
the multi-window display module is used for displaying in a stacking mode or a horizontal tiling mode or a vertical tiling mode when triggering a plurality of sub-window processes;
when the multi-window display module executes a horizontal tiling mode or a vertical tiling mode, a main window handle of a sub-window process is obtained, the display position and the display size of each sub-window are calculated according to a preset tiling algorithm, and the sub-window is moved to a designated position through the main window handle.
A multi-process screen display device comprising:
the device comprises a memory and a processor, wherein instructions are stored in the memory, and the memory and the processor are interconnected through a line;
the processor calls the instructions in the memory to realize the multi-process screen display method in one embodiment of the invention.
A computer readable storage medium having stored thereon a computer program which when executed by a processor implements a multi-process screen display method in an embodiment of the invention.
By adopting the technical scheme, the invention has the following advantages and positive effects compared with the prior art:
aiming at the problem that each screen of the existing DCS system can only display one large picture (single window monitoring) at a time, the multi-process screen display method in the embodiment of the invention realizes a screen display scheme of a full-screen mode and a multi-window mode through the multi-process, and when a plurality of sub-window processes are triggered in the full-screen mode, one sub-window process is displayed in a full screen mode, and other sub-window processes are switched through function keys; in the multi-window mode, when a plurality of sub-window processes are triggered, the sub-window processes are displayed in a stacked mode or a horizontal tiling mode or a vertical tiling mode. Therefore, the function of displaying a plurality of monitoring pictures on one screen at a time is realized, the monitoring efficiency is improved, and the monitoring cost is reduced.
Drawings
FIG. 1 is a flowchart of a multi-process screen display method according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a horizontal tiling algorithm according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a vertical tiling algorithm according to an embodiment of the present invention;
FIG. 4 is a block diagram of a multi-process screen display device according to an embodiment of the invention;
fig. 5 is a schematic diagram of a multi-process screen display device according to an embodiment of the invention.
Detailed Description
The following describes in further detail a multi-process screen display method, apparatus, device and storage medium according to the present invention with reference to the accompanying drawings and specific embodiments. Advantages and features of the invention will become more apparent from the following description and from the claims.
Example 1
Aiming at the problem that each screen of the existing DCS system can only display one large picture (single window monitoring) at a time, the embodiment provides a multi-process screen display method, the original multi-process scheme is maintained on the basis of the original full-screen monitoring mode, the multi-window monitoring mode is increased, the free switching between the full-screen monitoring mode and the multi-window monitoring mode is realized, and the omnibearing requirement of a user on the monitoring interface display is met.
Referring to fig. 1, the multi-process screen display method includes a full screen mode and a multi-window mode;
in a full-screen mode, when a plurality of sub-window processes are triggered, displaying one sub-window process in a full screen mode, and switching other sub-window processes by using function keys;
in the multi-window mode, when a plurality of sub-window processes are triggered, displaying in a stacking mode or a horizontal tiling mode or a vertical tiling mode;
when the horizontal tiling mode or the vertical tiling mode is executed, a main window handle of a sub-window process is obtained, the display position and the display size of each sub-window are calculated according to a preset tiling algorithm, and the sub-window is moved to a designated position through the main window handle.
Specifically, the following describes a multi-process screen display method in this embodiment, taking a case of monitoring 3 kinds of pictures (flowchart, trend chart, system state chart) at the same time.
Full screen mode: the single window monitoring mode is also called, namely, all areas below a screen monitoring head can only display a large base map picture at the same time. There is no border or title bar.
Multi-window mode: one screen is arranged below the monitoring head, and a plurality of large base map pictures can be displayed at the same time. Each picture is provided with a title bar and a frame, and the position and the size of the picture can be freely adjusted. Opening a new screen, displaying the screen in a stacking mode by default, and supporting two modes of horizontal tiling and vertical tiling to automatically layout multiple windows.
In a full screen mode, maintaining a monitoring head process, a flow chart process, a trend chart process and a system state diagram process as 4 independent processes, wherein the monitoring head process: the main window process is always fixed above the screen and comprises small windows for various function inlets and state indication of the DCS; the height is generally 70-120 pixels, and the width is the whole screen width. The flow chart process, the trend chart process and the system state diagram process are all child window processes.
In full screen mode, the screen only allows one of the flow chart process, the trend chart process and the system state chart process to be opened, and only one sub-window process is displayed at the same time, and other sub-window processes are hidden. The type switching can be performed through the function buttons corresponding to the monitoring head, and the page turning can be performed through the page turning button and the forward and backward button.
In the multi-window mode, each screen allows multiple openings for the flow chart process, trend chart process, and system state diagram process, the number of openings depending on memory and CPU performance decisions. The progress of each screen is managed by the main window dialog boxes of different screens respectively, the new picture is opened, the picture is displayed in a stacking mode by default, and two modes of horizontal tiling and vertical tiling are supported to automatically layout the multiple windows.
In the multi-window mode, the sub-window is provided with a title bar and a frame, and is provided with a minimum button, a maximum button and a closing button, so that the position and the size of the picture can be freely adjusted.
In the multi-window mode, the monitor head process is used for managing the sub-window process, and each screen is used for respectively managing the sub-window process opened by the respective screen. And managing all sub-window processes of the current screen opening through a multi-window management class. The method comprises the steps of information management such as a sub-window layout mode, a window handle, a communication window name, a current activated window, the number of flow chart sub-windows, the number of trend sub-windows and the like, and operation such as horizontal tiling, vertical tiling, closing of all sub-windows, sub-window minimization, sub-window cancellation minimization and the like of the sub-windows.
When the horizontal tiling algorithm is executed, please refer to fig. 2, wherein column a is on the right side, and each column a has m+1 rows. When the total number total of sub-windows satisfies n×n < = total < (n+1) ×n+1, then the following equation holds:
total＝N*M+A
Figure BDA0004022040480000061
M＝total/N
A＝total-N*M
wherein N is the number of columns of the sub-window arrangement, and M is the number of rows of the sub-window arrangement.
When the vertical tiling algorithm is performed, please refer to fig. 3, right column a, each of which has n+1 rows. When the total number total of sub-windows satisfies n×n < = total < (n+1) ×n+1, then the following equation holds:
total＝N*M+A
Figure BDA0004022040480000062
M＝total％N
A＝total-N*M
wherein, N is the number of rows of the sub-window arrangement, and M is the number of columns of the sub-window arrangement.
Whether horizontally or vertically, the goal is to have each sub-window size distributed relatively evenly.
In the multi-window mode, multi-window minimization is also achieved to the lower left corner of the screen.
Since the process child window is minimized, only the process icon is displayed on the taskbar by default. To achieve the minimum and then display in the lower left corner of the screen, it is necessary to implement the minimum, maximum and restore functions of the process by itself. The specific method for minimizing the multiple windows to the lower left corner of the screen is as follows:
removing an original title bar of a main window process, and self-drawing the title bar at the upper part of a client area of a main window, wherein the self-drawing title bar comprises a left icon, a title text, a right minimum button, a right maximum button and a closing button, and is realized through message reloading including left key pressing, mouse moving, window size changing and window activating;
when the child window is minimized, the child window process sends a message transmission minimizing instruction and a child window communication window name parameter to the monitoring head process, and the multi-window management class performs the minimizing operation. And when the child window is restored and maximized, a message is also required to be sent to the monitoring head process, so that the multi-window management class can cancel the minimization operation.
The multi-window management class includes a child window minimization information structure for providing a minimization and cancellation minimization operation, storing whether the window is minimized, a minimized window handle, a minimized location and a minimized size, and a child window minimization management class.
The sub-window minimization management class is used for storing a minimization information array, and is designed according to the upper limit 16 of the number of the sub-windows, so that window minimization and window minimization cancellation operations are realized. The sub-window minimized coordinate design refers to the position distribution of the minimization of the sub-window of the MDI multi-document program, and the layout is in a mode of starting from the lower left corner, going in the back row, going from left to right and going from bottom to top. If one of the minimized sub-windows is restored, the next minimized sub-window occupies its position.
Minimization is simulated by moving window positions and changing window sizes by the system function MoveWindow. Not truly minimized, it may be possible to scale the window by dragging the bezel.
According to the multi-process screen display method, two monitoring schemes of full screen and multi-window are realized based on the multi-process, the problem that a single screen can only monitor a large base map picture at the same time is solved, and the problem that the coupling degree of the multi-window monitoring scheme based on the single process is large is solved. On the basis of the original full-screen monitoring mode, the original multi-process scheme is maintained, the multi-window monitoring mode is increased, the free switching between the full-screen monitoring mode and the multi-window monitoring mode is realized, and the omnibearing requirement of a user on the display of a monitoring interface is met.
Example two
The present embodiment provides a multi-process screen display device, please refer to fig. 4, which includes:
the full-screen display module 1 displays one sub-window process in a full screen mode when triggering a plurality of sub-window processes, and switches other sub-window processes by using function keys;
the multi-window display module 2 displays in a stacking mode or a horizontal tiling mode or a vertical tiling mode when a plurality of sub-window processes are triggered;
when the multi-window display module 2 executes the horizontal tiling mode or the vertical tiling mode, a main window handle of the sub-window process is obtained, the display position and the display size of each sub-window are calculated according to a preset tiling algorithm, and the sub-window is moved to a designated position through the main window handle.
The multi-process screen display device and the multi-process screen display method in the first embodiment are based on the same inventive concept, and the same functions are implemented, and are not described herein.
Example III
The invention also provides a multi-process screen display device. Referring to fig. 5, the multi-process screen display device 500 may vary considerably in configuration or performance and may include one or more processors (central processing units, CPU) 510 (e.g., one or more processors) and memory 520, one or more storage media 530 (e.g., one or more mass storage devices) storing applications 533 or data 532. Wherein memory 520 and storage medium 530 may be transitory or persistent storage. The program stored in the storage medium 530 may include one or more modules (not shown), each of which may include a series of instruction operations in the multi-process screen display device 500.
Further, the processor 510 may be arranged to communicate with a storage medium 530 to execute a series of instruction operations in the storage medium 530 on the multi-process screen display device 500.
The multi-process screen display device 500 may also include one or more power supplies 540, one or more wired or wireless network interfaces 550, one or more input/output interfaces 560, and/or one or more operating systems 531, such as Windows Server, vista, and the like.
It will be appreciated by those skilled in the art that the multi-process screen display device structure shown in fig. 5 does not constitute a limitation of the multi-process screen display device and may include more or less components than illustrated, or may combine certain components, or may be arranged in different components.
Another embodiment of the present invention also provides a computer-readable storage medium.
The computer readable storage medium may be a non-volatile computer readable storage medium, and the computer readable storage medium may also be a volatile computer readable storage medium. The computer readable storage medium has stored therein instructions which, when executed on a computer, cause the computer to perform the steps of the multi-process screen display method of embodiment one.
The multiprocessing screen display method, if implemented in the form of program instructions and sold or used as a stand alone product, may be stored on a computer readable storage medium. Based on such understanding, the technical solution of the present embodiment may be essentially or a part contributing to the prior art or all or part of the technical solution may be embodied in the form of software, where the computer software is stored in a storage medium, and includes several instructions to cause a computer device (which may be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the method described in the embodiments of the present disclosure. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-only memory (ROM), a random access memory (Random access memory, RAM), a magnetic disk, or an optical disk, or other various media capable of storing program codes.
It will be apparent to those skilled in the art that, for convenience and brevity of description, reference may be made to the corresponding procedures in the foregoing method embodiments for identifying the specific implementation of the above-described system and apparatus.
The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments. Even if various changes are made to the present invention, it is within the scope of the appended claims and their equivalents to fall within the scope of the invention.

Claims (10)

1. A multi-process screen display method, comprising: full screen mode, multi-window mode;
in a full-screen mode, when a plurality of sub-window processes are triggered, displaying one sub-window process in a full screen mode, and switching other sub-window processes by using function keys;
in the multi-window mode, when a plurality of sub-window processes are triggered, displaying in a stacking mode or a horizontal tiling mode or a vertical tiling mode;
when the horizontal tiling mode or the vertical tiling mode is executed, a main window handle of a sub-window process is obtained, the display position and the display size of each sub-window are calculated according to a preset tiling algorithm, and the sub-window is moved to a designated position through the main window handle.
2. The multi-process screen display method of claim 1, wherein in the multi-window mode, when the horizontal tiling algorithm is performed, when the total number total of sub-windows satisfies n×n < = total < (n+1) ×n+1), the following equation is satisfied:
total＝N*M+A
Figure FDA0004022040470000011
M＝total/N
A＝total-N*M
wherein N is the number of columns of the sub-window arrangement, M is the number of rows of the sub-window arrangement, and a is the column with m+1 rows.
3. The multi-process screen display method of claim 1, wherein in the multi-window mode, when the vertical tiling algorithm is performed, when the total number total of sub-windows satisfies n×n < = total < (n+1) ×n+1), the following equation is satisfied:
total＝N*M+A
Figure FDA0004022040470000012
M＝total％N
A＝total-N*M
wherein N is the number of rows of the sub-window arrangement, M is the number of columns of the sub-window arrangement, and a is the column with n+1 rows.
4. The multi-process screen display method of claim 1, wherein in the multi-window mode, multi-window minimization is achieved to a lower left corner of the screen.
5. The multi-process screen display method of claim 4, wherein the minimizing of the multi-window to the lower left corner of the screen further comprises:
removing an original title bar of a main window process, and self-drawing the title bar at the upper part of a client area of a main window, wherein the self-drawing title bar comprises a left icon, a title text, a right minimum button, a right maximum button and a closing button, and is realized through message reloading including left key pressing, mouse moving, window size changing and window activating;
when the child window is minimized, the child window process sends a message transmission minimizing instruction and a child window communication window name parameter to the monitoring process, and the multi-window management class performs the minimizing operation.
6. The multi-process screen display method of claim 5, wherein the multi-window management class performing a minimizing operation further comprises:
the multi-window management class comprises a sub-window minimum information structure body and a sub-window minimum management class;
the sub-window minimizing information structure is used for providing minimizing and canceling minimizing operation, storing whether minimizing, minimizing window handle, minimizing position and size;
the sub-window minimization management class is used for storing a minimization information array, is designed according to 16 upper limit of the number of the sub-windows, and achieves window minimization and window minimization cancellation operation.
7. The multiprocessing screen display method according to claim 4, wherein the position distribution of the plurality of sub-windows is arranged from the lower left corner of the screen, from the first rear column, from left to right, from bottom to top, when the multiple windows are minimized to the lower left corner of the screen;
if one of the minimized sub-windows is restored, the next minimized sub-window occupies its position in the position distribution order.
8. A multi-process screen display device, comprising:
the full-screen display module displays one sub-window process in a full screen mode when triggering a plurality of sub-window processes, and switches other sub-window processes by using function keys;
the multi-window display module is used for displaying in a stacking mode or a horizontal tiling mode or a vertical tiling mode when triggering a plurality of sub-window processes;
when the multi-window display module executes a horizontal tiling mode or a vertical tiling mode, a main window handle of a sub-window process is obtained, the display position and the display size of each sub-window are calculated according to a preset tiling algorithm, and the sub-window is moved to a designated position through the main window handle.
9. A multi-process screen display device, comprising:
the device comprises a memory and a processor, wherein instructions are stored in the memory, and the memory and the processor are interconnected through a line;
the processor invokes the instructions in the memory to implement the multi-process screen display method of any one of claims 1-7.
10. A computer readable storage medium having a computer program stored thereon, which when executed by a processor implements the multi-process screen display method according to any of claims 1-7.
CN202211692958.2A 2022-12-28 2022-12-28 Multi-process screen display method, device, equipment and storage medium Pending CN116225589A (en)

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Applicant before: ZHEJIANG SUPCON TECHNOLOGY Co.,Ltd.

Country or region before: China