mkb.zig

const std = @import("std");
const win = std.os.windows;
const WINAPI = win.WINAPI;

extern "user32" fn SystemParametersInfoA(
    uiAction: SPI,
    uiParam: u32, // must be zero if not used
    pvParam: usize, // must be null if not used
    fWinIni: u32,
) callconv(WINAPI) i32;

const SPI = enum(u32) {
    SETMOUSE = 0x0004,
    SETMOUSESPEED = 0x0071,
    SETKEYBOARDDELAY = 0x0017,
    SETKEYBOARDSPEED = 0x000B,
    SETFILTERKEYS = 0x0033,
    SETKEYBOARDCUES = 0x100B,
    SETKEYBOARDPREF = 0x0045,
    SETMOUSEHOVERTIME = 0x0067,
    SETMENUSHOWDELAY = 0x006B,

    SETUIEFFECTS = 0x103F, // master switch of al UI animation

    SETCLIENTAREAANIMATION = 0x1043, // animate controls and elements inside windows
    SETANIMATION = 0x0049, // animate windows when minimzing and maximizing

    SETMENUANIMATION = 0x1003, // slide menu into view
    SETMENUFADE = 0x1013, // fade menu into view
    SETTOOLTIPANIMATION = 0x1017, // slide tooltip into view
    SETTOOLTIPFADE = 0x1019, // fade tooltip into view
    SETSELECTIONFADE = 0x1015, // fade out menu items after clicking

    SETCOMBOBOXANIMATION = 0x1005, // slide open combo boxes

    SETLISTBOXSMOOTHSCROLLING = 0x1007, // smooth scroll list boxes
    _,
};

pub fn main() void {
    const delay = 150;

    // mouse preferences
    var accel: [3]i32 = .{ 0, 0, 0 }; // must be mutable memory even for setmouse
    _ = SystemParametersInfoA(SPI.SETMOUSE, 0, @intFromPtr(&accel), 1);
    _ = SystemParametersInfoA(SPI.SETMOUSESPEED, 0, 10, 1);

    // keyboard preferences
    _ = SystemParametersInfoA(SPI.SETKEYBOARDCUES, 0, 1, 1);
    _ = SystemParametersInfoA(SPI.SETKEYBOARDPREF, 1, 0, 1);
    _ = SystemParametersInfoA(SPI.SETKEYBOARDDELAY, 0, 0, 1);
    _ = SystemParametersInfoA(SPI.SETKEYBOARDSPEED, 31, 0, 1);

    {
        const FILTERKEYS = extern struct {
            cbSize: u32 = @sizeOf(@This()),
            dwFlags: u32,
            iWaitMSec: u32,
            iDelayMSec: u32,
            iRepeateMSec: u32,
            iBounceMSec: u32,
        };
        var cfg: FILTERKEYS = .{
            .dwFlags = 1,
            .iWaitMSec = 0,
            .iDelayMSec = delay,
            .iRepeateMSec = 1,
            .iBounceMSec = 0,
        };
        _ = SystemParametersInfoA(SPI.SETFILTERKEYS, cfg.cbSize, @intFromPtr(&cfg), 1);
    }

    // hover options
    _ = SystemParametersInfoA(SPI.SETMOUSEHOVERTIME, delay, 0, 1);
    _ = SystemParametersInfoA(SPI.SETMENUSHOWDELAY, delay, 0, 1);

    // animations
    _ = SystemParametersInfoA(SPI.SETUIEFFECTS, 0, 1, 1);
    _ = SystemParametersInfoA(SPI.SETSELECTIONFADE, 0, 1, 1);
    _ = SystemParametersInfoA(SPI.SETCLIENTAREAANIMATION, 0, 1, 1);
    _ = SystemParametersInfoA(SPI.SETMENUANIMATION, 0, 0, 1);
    _ = SystemParametersInfoA(SPI.SETMENUFADE, 0, 0, 1);
    _ = SystemParametersInfoA(SPI.SETTOOLTIPANIMATION, 0, 0, 1);
    _ = SystemParametersInfoA(SPI.SETTOOLTIPFADE, 0, 0, 1);
    _ = SystemParametersInfoA(SPI.SETCOMBOBOXANIMATION, 0, 0, 1);
    _ = SystemParametersInfoA(SPI.SETLISTBOXSMOOTHSCROLLING, 0, 0, 1);
    {
        const ANIMATIONINFO = extern struct {
            cbSize: u32 = @sizeOf(@This()),
            iMinAnimate: i32,
        };
        var cfg: ANIMATIONINFO = .{
            .iMinAnimate = 0,
        };
        _ = SystemParametersInfoA(SPI.SETANIMATION, @sizeOf(ANIMATIONINFO), @intFromPtr(&cfg), 1);
    }
}