examples/Cargo.toml

@@ -13,6 +13,10 @@ embedded-graphics-simulator = "0.2.0"
 heapless = "0.5.5"
 cstr_core = { version = "0.2.0", features = ["alloc"] }
 
+[[example]]
+name = "simple"
+path = "simple.rs"
+
 [[example]]
 name = "demo"
 path = "demo.rs"

examples/arc.rs

@@ -8,14 +8,11 @@ use lvgl::style::Style;
 use lvgl::widgets::{Arc, Label, LabelAlign};
 use lvgl::{self, Align, Color, Part, State, UI};
 use lvgl::{LvError, Widget};
-use lvgl_sys;
 use std::time::Instant;
 
 fn main() -> Result<(), LvError> {
-    let display: SimulatorDisplay<Rgb565> = SimulatorDisplay::new(Size::new(
+    let display: SimulatorDisplay<Rgb565> =
-        lvgl_sys::LV_HOR_RES_MAX,
+        SimulatorDisplay::new(Size::new(lvgl::HOR_RES_MAX, lvgl::VER_RES_MAX));
-        lvgl_sys::LV_VER_RES_MAX,
-    ));
 
     let output_settings = OutputSettingsBuilder::new().scale(2).build();
     let mut window = Window::new("Arc Example", &output_settings);

examples/bar.rs

@@ -7,14 +7,11 @@ use embedded_graphics_simulator::{
 use lvgl::style::Style;
 use lvgl::widgets::{Bar, Label, LabelAlign};
 use lvgl::{self, Align, Animation, Color, Event, LvError, Part, State, Widget, UI};
-use lvgl_sys;
 use std::time::Instant;
 
 fn main() -> Result<(), LvError> {
-    let display: SimulatorDisplay<Rgb565> = SimulatorDisplay::new(Size::new(
+    let display: SimulatorDisplay<Rgb565> =
-        lvgl_sys::LV_HOR_RES_MAX,
+        SimulatorDisplay::new(Size::new(lvgl::HOR_RES_MAX, lvgl::VER_RES_MAX));
-        lvgl_sys::LV_VER_RES_MAX,
-    ));
 
     let output_settings = OutputSettingsBuilder::new().scale(2).build();
     let mut window = Window::new("Bar Example", &output_settings);

examples/button_click.rs

@@ -7,14 +7,11 @@ use embedded_graphics_simulator::{
 use lvgl::style::Style;
 use lvgl::widgets::{Btn, Label};
 use lvgl::{self, Align, Color, Event, LvError, Part, State, Widget, UI};
-use lvgl_sys;
 use std::time::Instant;
 
 fn main() -> Result<(), LvError> {
-    let display: SimulatorDisplay<Rgb565> = SimulatorDisplay::new(Size::new(
+    let display: SimulatorDisplay<Rgb565> =
-        lvgl_sys::LV_HOR_RES_MAX,
+        SimulatorDisplay::new(Size::new(lvgl::HOR_RES_MAX, lvgl::VER_RES_MAX));
-        lvgl_sys::LV_VER_RES_MAX,
-    ));
 
     let output_settings = OutputSettingsBuilder::new().scale(2).build();
     let mut window = Window::new("Bar Example", &output_settings);

examples/demo.rs

@@ -13,10 +13,8 @@ use std::thread::sleep;
 use std::time::{Duration, Instant};
 
 fn main() -> Result<(), LvError> {
-    let display: SimulatorDisplay<Rgb565> = SimulatorDisplay::new(Size::new(
+    let display: SimulatorDisplay<Rgb565> =
-        lvgl_sys::LV_HOR_RES_MAX,
+        SimulatorDisplay::new(Size::new(lvgl::HOR_RES_MAX, lvgl::VER_RES_MAX));
-        lvgl_sys::LV_VER_RES_MAX,
-    ));
 
     let output_settings = OutputSettingsBuilder::new().scale(2).build();
     let mut window = Window::new("PineTime", &output_settings);

examples/gauge.rs

@@ -6,14 +6,11 @@ use embedded_graphics_simulator::{
 use lvgl::style::{Opacity, Style};
 use lvgl::widgets::Gauge;
 use lvgl::{self, Align, Color, LvError, Part, State, Widget, UI};
-use lvgl_sys;
 use std::time::Instant;
 
 fn main() -> Result<(), LvError> {
-    let display: SimulatorDisplay<Rgb565> = SimulatorDisplay::new(Size::new(
+    let display: SimulatorDisplay<Rgb565> =
-        lvgl_sys::LV_HOR_RES_MAX,
+        SimulatorDisplay::new(Size::new(lvgl::HOR_RES_MAX, lvgl::VER_RES_MAX));
-        lvgl_sys::LV_VER_RES_MAX,
-    ));
 
     let output_settings = OutputSettingsBuilder::new().scale(2).build();
     let mut window = Window::new("Gauge Example", &output_settings);
@@ -36,7 +33,7 @@ fn main() -> Result<(), LvError> {
     gauge_style.set_radius(State::DEFAULT, 5);
     gauge_style.set_bg_opa(State::DEFAULT, Opacity::OPA_COVER);
     gauge_style.set_bg_color(State::DEFAULT, Color::from_rgb((192, 192, 192)));
-    // Set some paddings
+    // Set some padding's
     gauge_style.set_pad_inner(State::DEFAULT, 20);
     gauge_style.set_pad_top(State::DEFAULT, 20);
     gauge_style.set_pad_left(State::DEFAULT, 5);

examples/simple.rs

@@ -0,0 +1,52 @@
+use embedded_graphics::pixelcolor::Rgb565;
+use embedded_graphics::prelude::*;
+use embedded_graphics_simulator::{
+    OutputSettingsBuilder, SimulatorDisplay, SimulatorEvent, Window,
+};
+use lvgl::widgets::Keyboard;
+use lvgl::LvError;
+use lvgl::UI;
+use std::time::Instant;
+
+fn main() -> Result<(), LvError> {
+    let display: SimulatorDisplay<Rgb565> =
+        SimulatorDisplay::new(Size::new(lvgl::HOR_RES_MAX, lvgl::VER_RES_MAX));
+
+    let output_settings = OutputSettingsBuilder::new().scale(2).build();
+    let mut window = Window::new("Simple Example", &output_settings);
+
+    // Initialize LVGL
+    let mut ui = UI::init()?;
+
+    // Register your display
+    ui.disp_drv_register(display)?;
+
+    // Get the active screen
+    let mut screen = ui.scr_act()?;
+
+    // Create a Keyboard widget on the screen
+    let _ = Keyboard::new(&mut screen)?;
+
+    let mut loop_started = Instant::now();
+    'running: loop {
+        // Tell LVGL to process UI related tasks
+        ui.task_handler();
+
+        // Update your window with the latest display image
+        window.update(ui.get_display_ref().unwrap());
+
+        for event in window.events() {
+            match event {
+                SimulatorEvent::Quit => break 'running,
+                _ => {}
+            }
+        }
+
+        // Tell LVGL how much time has past since last loop
+        ui.tick_inc(loop_started.elapsed());
+
+        loop_started = Instant::now();
+    }
+
+    Ok(())
+}

lvgl/src/lib.rs

@@ -13,3 +13,6 @@ pub mod widgets;
 pub use lv_core::*;
 pub use support::*;
 pub use ui::*;
+
+pub const HOR_RES_MAX: u32 = lvgl_sys::LV_HOR_RES_MAX;
+pub const VER_RES_MAX: u32 = lvgl_sys::LV_VER_RES_MAX;