zlvgl - zig binding for lvgl

Code Example

const Ctx = struct {
    count: i32 = 0,
};

var _ctx = Ctx{};

const btn1 = lv.Button.init(lv.Screen.active());
_ = btn1.addEventCallback(&_ctx, struct {
    pub fn onClicked(event: anytype) void {
        const the_ctx = event.userData();
        the_ctx.count += 1;
        std.debug.print("Clicked, count: {d}\n", .{ the_ctx.count });
    }
});

btn1.setAlign(.Center, 0, -40);
const label = lv.Label.init(btn1);
label.setText("Button");
label.center();

Build

The following dependencies need to be met before build:

• zig: v0.11
• sdl2: for SDL2 backend
• gtk3: for GTK3 backend

Run Example

$ zig build run

Supported Features

Platforms

• Linux
• Windows
• Free Standing

Backends

A backend manages display and input.

• SDL2
• GTK3
• Wayland
• Win32
• Free Standing

Displays

• LinuxFB
• DRM
• Custom Display

LVGL Components

• Widgets

  • Arc
  • Animation Image
  • Bar
  • Button
  • Button matrix
  • Calendar
  • Chart
  • Canvas
  • Checkbox
  • Drop-down list
  • Image
  • Image button
  • Keyboard
  • Label
  • LED
  • Line
  • List
  • Menu
  • Message box
  • Roller
  • Scale
  • Slider
  • Span
  • Spinbox
  • Spinner
  • Switch
  • Table
  • Tabview
  • Text area
  • Tile view
  • Window

• Events

• Animations

• Styles

• Layouts

• Timers

• Fints

• Images