firmware for my Touchscreen E-Paper Input Module for Framework Laptop 16
fw16-epd-main: testing scratchpad
author
arthomnix
date
(Jan 12, 2025, 8:52 PM UTC)
commit
e1b37933
e1b37933502284f4937d42a393284af3f5b527b1
parent
4a793548
4a793548696960923ede47ad4007534a7dd4c99b
+168
-34
+10
fw16-epd-gui/src/element/mod.rs
+10
fw16-epd-gui/src/element/mod.rs
···
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pub mod button;
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use embedded_graphics::mono_font::ascii::FONT_10X20;
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use embedded_graphics::mono_font::MonoTextStyle;
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use embedded_graphics::pixelcolor::BinaryColor;
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use embedded_graphics::prelude::*;
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use embedded_graphics::primitives::{PrimitiveStyle, PrimitiveStyleBuilder};
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use fw16_epd_program_interface::TouchEvent;
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use crate::draw_target::EpdDrawTarget;
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pub const DEFAULT_PRIMITIVE_STYLE: PrimitiveStyle<BinaryColor> = PrimitiveStyleBuilder::new()
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.stroke_width(2)
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.stroke_color(BinaryColor::On)
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.fill_color(BinaryColor::Off)
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.build();
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pub const DEFAULT_TEXT_STYLE: MonoTextStyle<BinaryColor> = MonoTextStyle::new(&FONT_10X20, BinaryColor::On);
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pub trait GuiElement {
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fn draw_element(&self, target: &mut EpdDrawTarget);
+120
-32
fw16-epd-main/src/gui.rs
+120
-32
fw16-epd-main/src/gui.rs
···
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use core::fmt::Write;
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use defmt::debug;
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use embedded_graphics::mono_font::ascii::FONT_10X20;
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use embedded_graphics::mono_font::MonoTextStyle;
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use embedded_graphics::geometry::AnchorPoint;
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use embedded_graphics::pixelcolor::BinaryColor;
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use embedded_graphics::prelude::*;
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use embedded_graphics::primitives::{PrimitiveStyle, Rectangle, RoundedRectangle};
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use embedded_graphics::text::Text;
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use heapless::String;
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use embedded_graphics::primitives::Line;
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use fw16_epd_gui::draw_target::EpdDrawTarget;
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use fw16_epd_gui::element::button::Button;
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use fw16_epd_gui::element::GuiElement;
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use fw16_epd_gui::element::{GuiElement, DEFAULT_PRIMITIVE_STYLE};
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use fw16_epd_program_interface::{SafeOption, TouchEvent, TouchEventType};
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use crate::{next_touch_event, set_touch_enabled};
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pub(crate) fn gui_main(mut draw_target: EpdDrawTarget) -> ! {
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debug!("gui_main");
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struct MainPage {
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scratchpad_button: Button<'static>,
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}
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draw_target.refresh(false, true);
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impl MainPage {
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fn new() -> Self {
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Self {
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scratchpad_button: Button::with_default_style_auto_sized(Point::new(10, 10), "Scratchpad"),
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}
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}
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}
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unsafe { set_touch_enabled(true) };
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impl GuiElement for MainPage {
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fn draw_element(&self, target: &mut EpdDrawTarget) {
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self.scratchpad_button.draw_element(target);
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}
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let mut button = Button::new(
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RoundedRectangle::with_equal_corners(Rectangle::new(Point::new(10, 40), Size::new(100, 20)), Size::new(3, 3)),
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"Click me",
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PrimitiveStyle::with_stroke(BinaryColor::On, 2),
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MonoTextStyle::new(&FONT_10X20, BinaryColor::On)
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);
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button.draw_element(&mut draw_target);
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draw_target.refresh(true, false);
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fn handle_touch(&mut self, ev: TouchEvent) {
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self.scratchpad_button.handle_touch(ev);
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}
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}
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let mut counter = 0;
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struct ScratchpadPage {
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exit_button: Button<'static>,
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clear_button: Button<'static>,
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prev_pos: Option<Point>,
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}
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loop {
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while let Some(ev) = next_touch_event().into() {
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button.handle_touch(ev);
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impl ScratchpadPage {
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fn new() -> Self {
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let exit_button = Button::with_default_style_auto_sized(Point::new(10, 416 - 10 - 20), "Exit");
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let next_pos = exit_button
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.rect()
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.translate(Point::new(10, 0))
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.anchor_point(AnchorPoint::TopRight);
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let clear_button = Button::with_default_style_auto_sized(next_pos, "Clear");
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Self {
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exit_button,
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clear_button,
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prev_pos: None,
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}
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}
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}
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if button.clicked(true) {
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counter += 1;
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impl GuiElement for ScratchpadPage {
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fn draw_element(&self, target: &mut EpdDrawTarget) {
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self.exit_button.draw_element(target);
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self.clear_button.draw_element(target);
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}
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let mut s = String::<10>::new();
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write!(s, "{counter}").unwrap();
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fn handle_touch(&mut self, ev: TouchEvent) {
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self.exit_button.handle_touch(ev);
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self.clear_button.handle_touch(ev);
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if matches!(ev.ev_type, TouchEventType::Down | TouchEventType::Move) {
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self.prev_pos = Some(ev.eg_point());
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}
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}
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}
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draw_target.clear(BinaryColor::Off).unwrap();
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button.draw_element(&mut draw_target);
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enum Gui {
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MainPage(MainPage),
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ScratchpadPage(ScratchpadPage),
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}
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Text::new(&s, Point::new(10, 80), MonoTextStyle::new(&FONT_10X20, BinaryColor::On))
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.draw_element(&mut draw_target);
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draw_target.refresh(true, false);
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impl Gui {
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fn tick(&mut self, target: &mut EpdDrawTarget, ev: TouchEvent) {
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match self {
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Gui::MainPage(page) => {
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page.handle_touch(ev);
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if page.scratchpad_button.clicked(true) {
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let scratchpad = ScratchpadPage::new();
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target.clear(BinaryColor::Off).unwrap();
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scratchpad.draw_element(target);
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target.refresh(false, true);
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*self = Gui::ScratchpadPage(scratchpad);
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return;
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}
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}
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Gui::ScratchpadPage(page) => {
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if matches!(ev.ev_type, TouchEventType::Move | TouchEventType::Up) {
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if let Some(prev) = page.prev_pos {
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Line::new(prev, ev.eg_point())
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.into_styled(DEFAULT_PRIMITIVE_STYLE)
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.draw(target)
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.unwrap();
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page.draw_element(target);
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target.refresh(true, false);
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}
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}
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page.handle_touch(ev);
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if page.exit_button.clicked(true) {
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let main = MainPage::new();
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target.clear(BinaryColor::Off).unwrap();
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main.draw_element(target);
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target.refresh(false, true);
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*self = Gui::MainPage(main);
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return;
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}
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if page.clear_button.clicked(true) {
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target.clear(BinaryColor::Off).unwrap();
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page.draw_element(target);
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target.refresh(false, false);
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}
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}
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}
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}
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}
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pub(crate) fn gui_main(mut draw_target: EpdDrawTarget) -> ! {
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debug!("gui_main");
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unsafe { set_touch_enabled(true) };
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let main = MainPage::new();
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main.draw_element(&mut draw_target);
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draw_target.refresh(false, true);
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let mut gui = Gui::MainPage(main);
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loop {
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while let SafeOption::Some(ev) = next_touch_event() {
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gui.tick(&mut draw_target, ev);
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}
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}
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}