// edited. thx to fizzyizzy05.
input {
    keyboard {
        xkb { 
            layout "us"
        }
        numlock
    }

    touchpad {
        // off
        tap
        // dwt
        // dwtp
        // drag false
        // drag-lock
        natural-scroll
        // accel-speed 0.2
        // accel-profile "flat"
        // scroll-method "two-finger"
        // disabled-on-external-mouse
        click-method "clickfinger"
    }

    mouse {
        // off
        // natural-scroll
        accel-speed -0.2
        accel-profile "flat"
        // scroll-method "no-scroll"
    }

    trackpoint {
        // off
        // natural-scroll
        // accel-speed 0.2
        // accel-profile "flat"
        // scroll-method "on-button-down"
        // scroll-button 273
        // middle-emulation
    }

    warp-mouse-to-focus
    disable-power-key-handling
    focus-follows-mouse max-scroll-amount="0%"
}

output "eDP-1" {
    scale 1.25
}

output "HDMI-A-1" {
    mode "1920x1080@180.000"
    //position x=1920 y=0
    focus-at-startup
}

layout {
    gaps 6 

    center-focused-column "never"

    preset-column-widths {
        proportion 0.33333
        proportion 0.5
        proportion 0.66667

        // Fixed sets the width in logical pixels exactly.
        // fixed 1920
    }

    // preset-window-heights { }

    default-column-width { proportion 0.5; }

    focus-ring {
        off
    }

    border {
        width 1
        active-color "#56949fff"
        inactive-color "#403d52ff"

        urgent-color "#eb6f92ff"

        // active-gradient from="#ffbb66" to="#ffc880" angle=45 relative-to="workspace-view"
        // inactive-gradient from="#505050" to="#808080" angle=45 relative-to="workspace-view"
    }

    shadow {
        on

        // draw-behind-window true

        // Softness controls the shadow blur radius.
        softness 15 

        // Spread expands the shadow.
        spread 2 

        // Offset moves the shadow relative to the window.
        offset x=0 y=0

        // You can also change the shadow color and opacity.
        color "#000b"
    }

    struts {
        //left 0
        //right 6
        //top 3
        //bottom 3
    }

    insert-hint {
        // off
        color "#31748f4c"
    }
}

overview {
    backdrop-color "#26233a"
    zoom 0.5
}

layer-rule {
    match namespace="^swww-daemonblur$"
    place-within-backdrop true
}

animations {
    // off

    // Slow down all animations by this factor. Values below 1 speed them up instead.
    // slowdown 3.0

	window-open {
		spring damping-ratio=0.80 stiffness=400 epsilon=0.0001
	}

	window-close {
		duration-ms 350
		curve "ease-out-expo"
	}

	window-resize {
		spring damping-ratio=1.0 stiffness=300 epsilon=0.0001
	}

	window-movement {
		spring damping-ratio=1.0 stiffness=300 epsilon=0.0001
	}
	
	overview-open-close {
		duration-ms 300
		curve "ease-out-quad"
	}

	horizontal-view-movement {
		duration-ms 500
		curve "ease-out-expo"
	}

	workspace-switch {
		duration-ms 500
		curve "ease-out-expo"
	}

	screenshot-ui-open {
		duration-ms 400
		curve "ease-out-cubic"
	}
}

window-rule {
    geometry-corner-radius 6
    clip-to-geometry true
}

window-rule {
    match app-id="QQ"
    match app-id="Electron" title="yacd"  // Yet Another Clash Daemon (webui)
    match app-id="wechat"
    match app-id="org.telegram.desktop"
    match app-id="nwjs"  // mainly for rpgmaker games.
    // open-on-output "eDP-1"
    block-out-from "screencast"
}

window-rule {
    match app-id="com.obsproject.Studio"
    match app-id="Electron" title="Test"   // frg2089.BiliLive.Observer
    match app-id="Electron" title="Blivechat-Openlive"  // blivechat
    default-column-display "tabbed"
    open-on-output "eDP-1"
}

window-rule {
    match title="^(图片查看器|.*记录)$" app-id="QQ"
    match app-id="pavucontrol-qt"

    default-column-width { proportion 0.6; }
    default-window-height { proportion 0.85; }
    open-floating true
}

window-rule {
    match app-id="nwjs"
    match app-id="krita"

    default-column-width { proportion 0.85; }
    default-window-height { proportion 0.9; }
    open-floating true
}

window-rule {
    match app-id=r#"^org\.keepassxc\.KeePassXC$"#
    match app-id=r#"^org\.gnome\.World\.Secrets$"#
    match app-id=r#"^org\.kde\.ksecretd$"#
    open-floating true
}

window-rule {
    match title=r#"Code - OSS$"#
    match title=r#"Visual Studio Code$"#
    match app-id=r#"^code"#

    open-maximized true
}

window-rule {
    match app-id=r#"firefox$"# title="^Picture-in-Picture$"
    match app-id="steam" title="Friends List"
    open-floating true
    default-floating-position x=8 y=8 relative-to="bottom-right"
    open-focused false
    open-on-output "eDP-1"
}

spawn-at-startup "waybar"
spawn-at-startup "swww-daemon"
spawn-at-startup "swww-daemon" "--namespace" "blur"
spawn-at-startup "xwayland-satellite"
spawn-at-startup "/usr/lib/pam_kwallet_init"

environment {
    QT_QPA_PLATFORMTHEME "qt6ct"
    ELECTRON_OZONE_PLATFORM_HINT "auto"
}

hotkey-overlay {
    skip-at-startup
    hide-not-bound
}

gestures {
    hot-corners {
        off
    }
}

prefer-no-csd

screenshot-path "~/.tmp/Screenshots/%Y-%m-%d %H-%M-%S.png"
// screenshot-path null

binds {
    Mod+F1 { show-hotkey-overlay; }

    Mod+Return hotkey-overlay-title="Terminal (foot)" { spawn "foot"; }
    Mod+F9 hotkey-overlay-title="Browser (chrome)" { spawn "ykrun" "google-chrome-stable"; }
    Mod+E hotkey-overlay-title="Explorer (yazi)" { spawn "foot" "yazi"; }
    //Shift+Mod+Return hotkey-overlay-title="Steam" { spawn "steam"; }

    Mod+F12 hotkey-overlay-title="Open Projects ... (VSCode)" { spawn "~/.niri-dotfiles/bin/fuzzel-vsc-entries.sh"; }
    Mod+Space hotkey-overlay-title="Run a command ... (fuzzel)" { spawn "~/.niri-dotfiles/bin/fuzzel-win+r.sh"; }

    // Applications such as remote-desktop clients and software KVM switches may
    // request that niri stops processing the keyboard shortcuts defined here
    // so they may, for example, forward the key presses as-is to a remote machine.
    // It's a good idea to bind an escape hatch to toggle the inhibitor,
    // so a buggy application can't hold your session hostage.
    //
    // The allow-inhibiting=false property can be applied to other binds as well,
    // which ensures niri always processes them, even when an inhibitor is active.
    Mod+Alt+Escape allow-inhibiting=false { toggle-keyboard-shortcuts-inhibit; }
    XF86PowerOff hotkey-overlay-title="Exit niri" { quit; }
    Super+Escape hotkey-overlay-title="Lock the Screen (gtklock)" { spawn "gtklock" "-d"; }
    Mod+Delete hotkey-overlay-title="Lock screen and Hibernate ..." allow-when-locked=true {
        spawn-sh "(pgrep gtklock || gtklock -d) && sleep 1 && systemctl hibernate";
    }

    XF86AudioRaiseVolume hotkey-overlay-title=null allow-when-locked=true { spawn "wpctl" "set-volume" "@DEFAULT_AUDIO_SINK@" "0.05+"; }
    XF86AudioLowerVolume hotkey-overlay-title=null allow-when-locked=true { spawn "wpctl" "set-volume" "@DEFAULT_AUDIO_SINK@" "0.05-"; }
    XF86AudioMute        hotkey-overlay-title=null allow-when-locked=true { spawn "wpctl" "set-mute" "@DEFAULT_AUDIO_SINK@" "toggle"; }
    XF86AudioMicMute     hotkey-overlay-title=null allow-when-locked=true { spawn "wpctl" "set-mute" "@DEFAULT_AUDIO_SOURCE@" "toggle"; }

    //Mod+Shift+M allow-when-locked=true { spawn "swayosd-client" "--input-volume" "mute-toggle"; }

    XF86AudioPlay        allow-when-locked=true { spawn "playerctl" "play-pause"; }
    XF86AudioPause       allow-when-locked=true { spawn "playerctl" "play-pause"; }
    XF86AudioNext        allow-when-locked=true { spawn "playerctl" "next"; }
    XF86AudioPrev        allow-when-locked=true { spawn "playerctl" "previous"; }
    XF86AudioStop        allow-when-locked=true { spawn "playerctl" "stop"; }

    XF86MonBrightnessUp allow-when-locked=true { spawn "brightnessctl" "--class=backlight" "set" "+5%"; }
    XF86MonBrightnessDown allow-when-locked=true { spawn "brightnessctl" "--class=backlight" "set" "5%-"; }

    Alt+Tab hotkey-overlay-title=null repeat=false { toggle-overview; }
    Alt+F4 { close-window; }

    Mod+Left  { focus-column-left; }
    Mod+Down  { focus-window-down; }
    Mod+Up    { focus-window-up; }
    Mod+Right { focus-column-right; }
    //Mod+H     { focus-column-left; }
    //Mod+J     { focus-window-down; }
    //Mod+K     { focus-window-up; }
    //Mod+L     { focus-column-right; }

    Mod+Shift+Left  { move-column-left; }
    Mod+Shift+Down  { move-window-down; }
    Mod+Shift+Up    { move-window-up; }
    Mod+Shift+Right { move-column-right; }
    //Mod+Shift+H     { move-column-left; }
    //Mod+Shift+J     { move-window-down; }
    //Mod+Shift+K     { move-window-up; }
    //Mod+Shift+L     { move-column-right; }

    // Alternative commands that move across workspaces when reaching
    // the first or last window in a column.
    // Mod+J     { focus-window-or-workspace-down; }
    // Mod+K     { focus-window-or-workspace-up; }
    // Mod+Ctrl+J     { move-window-down-or-to-workspace-down; }
    // Mod+Ctrl+K     { move-window-up-or-to-workspace-up; }

    Mod+Home { focus-column-first; }
    Mod+End  { focus-column-last; }
    Mod+Ctrl+Home { move-column-to-first; }
    Mod+Ctrl+End  { move-column-to-last; }

    Mod+Ctrl+Left  { focus-monitor-left; }
    Mod+Ctrl+Down  { focus-monitor-down; }
    Mod+Ctrl+Up    { focus-monitor-up; }
    Mod+Ctrl+Right { focus-monitor-right; }
    //Mod+Ctrl+H     { focus-monitor-left; }
    //Mod+Ctrl+J     { focus-monitor-down; }
    //Mod+Ctrl+K     { focus-monitor-up; }
    //Mod+Ctrl+L     { focus-monitor-right; }

    Mod+Shift+Ctrl+Left  { move-column-to-monitor-left; }
    Mod+Shift+Ctrl+Down  { move-column-to-monitor-down; }
    Mod+Shift+Ctrl+Up    { move-column-to-monitor-up; }
    Mod+Shift+Ctrl+Right { move-column-to-monitor-right; }
    //Mod+Shift+Ctrl+H     { move-column-to-monitor-left; }
    //Mod+Shift+Ctrl+J     { move-column-to-monitor-down; }
    //Mod+Shift+Ctrl+K     { move-column-to-monitor-up; }
    //Mod+Shift+Ctrl+L     { move-column-to-monitor-right; }

    // Alternatively, there are commands to move just a single window:
    // Mod+Shift+Ctrl+Left  { move-window-to-monitor-left; }
    // ...
    // And you can also move a whole workspace to another monitor:
    // Mod+Shift+Ctrl+Left  { move-workspace-to-monitor-left; }
    // ...

    Mod+Page_Down      { focus-workspace-down; }
    Mod+Page_Up        { focus-workspace-up; }
    //Mod+U              { focus-workspace-down; }
    //Mod+I              { focus-workspace-up; }
    Mod+Shift+Page_Down { move-column-to-workspace-down; }
    Mod+Shift+Page_Up   { move-column-to-workspace-up; }
    //Mod+Shift+U         { move-column-to-workspace-down; }
    //Mod+Shift+I         { move-column-to-workspace-up; }

    // Alternatively, there are commands to move just a single window:
    // Mod+Ctrl+Page_Down { move-window-to-workspace-down; }
    // ...

    Mod+Ctrl+Page_Down { move-workspace-down; }
    Mod+Ctrl+Page_Up   { move-workspace-up; }
    //Mod+Ctrl+U       { move-workspace-down; }
    //Mod+Ctrl+I       { move-workspace-up; }


    Mod+WheelScrollDown      cooldown-ms=150 { focus-workspace-down; }
    Mod+WheelScrollUp        cooldown-ms=150 { focus-workspace-up; }
    Mod+Shift+WheelScrollDown cooldown-ms=150 { move-column-to-workspace-down; }
    Mod+Shift+WheelScrollUp   cooldown-ms=150 { move-column-to-workspace-up; }

    Mod+WheelScrollRight      { focus-column-right; }
    Mod+WheelScrollLeft       { focus-column-left; }
    Mod+Shift+WheelScrollRight { move-column-right; }
    Mod+Shift+WheelScrollLeft  { move-column-left; }
    // Usually scrolling up and down with Shift in applications results in
    // horizontal scrolling; these binds replicate that.
    // Mod+Shift+WheelScrollDown      { focus-column-right; }
    // Mod+Shift+WheelScrollUp        { focus-column-left; }
    // Mod+Ctrl+Shift+WheelScrollDown { move-column-right; }
    // Mod+Ctrl+Shift+WheelScrollUp   { move-column-left; }

    // Similarly, you can bind touchpad scroll "ticks".
    // Touchpad scrolling is continuous, so for these binds it is split into
    // discrete intervals.
    // These binds are also affected by touchpad's natural-scroll, so these
    // example binds are "inverted", since we have natural-scroll enabled for
    // touchpads by default.
    // Mod+TouchpadScrollDown { spawn "wpctl" "set-volume" "@DEFAULT_AUDIO_SINK@" "0.02+"; }
    // Mod+TouchpadScrollUp   { spawn "wpctl" "set-volume" "@DEFAULT_AUDIO_SINK@" "0.02-"; }

    Mod+1 { focus-workspace 1; }
    Mod+2 { focus-workspace 2; }
    Mod+3 { focus-workspace 3; }
    Mod+4 { focus-workspace 4; }
    Mod+5 { focus-workspace 5; }
    Mod+6 { focus-workspace 6; }
    Mod+7 { focus-workspace 7; }
    Mod+8 { focus-workspace 8; }
    Mod+9 { focus-workspace 9; }
    Mod+Shift+1 { move-column-to-workspace focus=false 1 ; }
    Mod+Shift+2 { move-column-to-workspace focus=false 2 ; }
    Mod+Shift+3 { move-column-to-workspace focus=false 3 ; }
    Mod+Shift+4 { move-column-to-workspace focus=false 4 ; }
    Mod+Shift+5 { move-column-to-workspace focus=false 5 ; }
    Mod+Shift+6 { move-column-to-workspace focus=false 6 ; }
    Mod+Shift+7 { move-column-to-workspace focus=false 7 ; }
    Mod+Shift+8 { move-column-to-workspace focus=false 8 ; }
    Mod+Shift+9 { move-column-to-workspace focus=false 9 ; }

    // Alternatively, there are commands to move just a single window:
    // Mod+Ctrl+1 { move-window-to-workspace 1; }

    // Switches focus between the current and the previous workspace.
    // Mod+Tab { focus-workspace-previous; }

    Mod+Comma  { consume-window-into-column; }
    Mod+Period { expel-window-from-column; }

    Mod+Shift+V       { toggle-window-floating; }
    Mod+V { switch-focus-between-floating-and-tiling; }

    Mod+BracketLeft  { consume-or-expel-window-left; }
    Mod+BracketRight { consume-or-expel-window-right; }

    Mod+R { switch-preset-column-width; }
    Mod+Shift+R { switch-preset-window-height; }
    Mod+Ctrl+R { reset-window-height; }
    Mod+F11 { maximize-column; }
    Mod+Shift+F11 { toggle-windowed-fullscreen; }
    Mod+Ctrl+F11 { fullscreen-window; }
    Mod+T  hotkey-overlay-title="Expand column to available width" { expand-column-to-available-width; }
    Mod+W  hotkey-overlay-title="Tabbed Column Mode" { toggle-column-tabbed-display; }

    Mod+C { center-column; }
    Mod+Ctrl+C { center-visible-columns; }

    // Finer width adjustments.
    // This command can also:
    // * set width in pixels: "1000"
    // * adjust width in pixels: "-5" or "+5"
    // * set width as a percentage of screen width: "25%"
    // * adjust width as a percentage of screen width: "-10%" or "+10%"
    // Pixel sizes use logical, or scaled, pixels. I.e. on an output with scale 2.0,
    // set-column-width "100" will make the column occupy 200 physical screen pixels.
    Mod+Minus { set-column-width "-5%"; }
    Mod+Equal { set-column-width "+5%"; }

    // Finer height adjustments when in column with other windows.
    Mod+Shift+Minus { set-window-height "-5%"; }
    Mod+Shift+Equal { set-window-height "+5%"; }

    // Actions to switch layouts.
    // Note: if you uncomment these, make sure you do NOT have
    // a matching layout switch hotkey configured in xkb options above.
    // Having both at once on the same hotkey will break the switching,
    // since it will switch twice upon pressing the hotkey (once by xkb, once by niri).
    // Mod+Space       { switch-layout "next"; }
    // Mod+Shift+Space { switch-layout "prev"; }

    Print hotkey-overlay-title=null { screenshot-screen; }
    Mod+Shift+S { screenshot; }
    Alt+Print { screenshot-window; }

    // Powers off the monitors. To turn them back on, do any input like
    // moving the mouse or pressing any other key.
    //Mod+Shift+P { power-off-monitors; }
}