How does Kirin OS support multi-screen display and resolution settings?

How does Kirin OS support multi-screen display and resolution settings?

With the development of computer technology and the popularity of smart devices, multi-screen display has become a common requirement. As an operating system based on the Linux kernel, Kirin provides users with a more flexible and convenient operating experience through multi-screen display and resolution setting functions. In this article, we will explore the implementation principles of multi-screen display and resolution settings in Kirin OS and provide corresponding code examples.

1. The implementation principle of multi-screen display

Multi-screen display refers to outputting computer images to multiple display devices. In Kirin operating system, the implementation of multi-screen display mainly relies on the X Window system (i.e. X11 or Xorg). The X Window System is an open source standard for graphical interfaces that provides an environment that allows applications to work together in windows. Let’s take a look at how to implement multi-screen display in Kirin operating system.

Step 1: Install and configure the hardware driver

Before performing multi-screen display, we first need to install and configure the hardware driver of the display device. For most common graphics cards and monitors, Kirin operating system has built-in corresponding hardware drivers. We can install and configure hardware drivers through system settings or package managers.

Step 2: Connect multiple display devices

After the hardware driver installation and configuration is completed, we need to connect multiple display devices to the computer. Generally speaking, computers will be equipped with at least one VGA, DVI, HDMI or DisplayPort interface, and we can connect the monitor to the computer through these interfaces.

Step 3: Configure the X Window System

Once the hardware driver and display device are connected, we can start to configure the X Window System to support multi-screen display. In the Kirin operating system, the configuration file of the X Window system is usually stored in the /etc/X11/xorg.conf file. We can open the file with a text editor and configure it accordingly.

Sample code:

Section "Device"
   Identifier  "Card0"
   Driver      "intel"  #显卡驱动
   BusID       "PCI:0:2:0"
EndSection

Section "Screen"
   Identifier "Screen0"
   Device     "Card0"
   Monitor    "Monitor0"
   DefaultDepth 24
   Option     "RandRRotation" "on"
   SubSection "Display"
      Virtual 3840 1200  #设置屏幕虚拟大小
   EndSubSection
EndSection

Section "Monitor"
   Identifier "Monitor0"
   Option     "DPMS"
   HorizSync  30-60
   VertRefresh 50-70
EndSection

Section "ServerLayout"
   Identifier     "Layout0"
   Screen      0  "Screen0" 0 0
EndSection

xorg.conf file example in Kirin operating system:

In the above example, we specified the relevant settings of the graphics card driver and monitor, and passed The Virtual parameter sets the virtual size of the screen to adapt to the needs of multi-screen display. You can modify the parameters in the above configuration file according to your specific circumstances.

Step 4: Restart the X Window system

After completing the configuration of the X Window system, we need to restart the X Window system to make the configuration take effect. In Kirin operating system, we can restart the X Window system through the Ctrl Alt Backspace shortcut key.

2. The implementation principle of resolution setting

Resolution refers to the number of pixels on the display device, and determines the clarity and display effect of the image. In Kirin operating system, resolution setting is an important function of multi-screen display. Let’s take a look at how to set the resolution in Kirin operating system.

Step 1: Open the system settings

In the Kirin operating system, we can set the resolution through the system settings. We can find the "System Settings" option in the Start menu and click to open it.

Step 2: Select display settings

In the system settings, we can find the "Display" option and click to open it. In the "Display" option, we can see all currently connected display devices and resolution setting options.

Step 3: Adjust the resolution

In the "Display" option, we can select the display device that needs to adjust the resolution and select the appropriate resolution. Normally, Kirin OS automatically detects the best resolution of the display device and lists it as a preference. If we need to adjust the resolution, we can select other resolution options and click Apply.

Step 4: Save settings

After completing the resolution adjustment, we can click the "Save" button to make the settings take effect. At this time, Kirin OS will automatically adjust the resolution of the display device and save it as the default setting.

Through the above steps, we can easily perform multi-screen display and resolution settings in the Kirin operating system. Multi-screen display and resolution settings not only improve work efficiency, but also provide users with a better user experience.

Summary:

In this article, we introduced how Kirin OS supports multi-screen display and resolution settings. By installing and configuring hardware drivers, connecting multiple display devices, configuring the xorg.conf file of the X Window system, and adjusting the resolution, we can easily achieve multi-screen display and resolution settings. I hope this article will help you understand the multi-screen display and resolution setting functions of Kirin OS.

References:

1. "Kylin Warcraft System User Manual"
2. "Kylin Operating System User Guide"

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