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add screen lock functionality which is unlocked by pressing both forw…
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…ard and back buttons.
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xxxxxxxxxxxxx committed Dec 2, 2023
1 parent babe9a9 commit fdb6368
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Showing 4 changed files with 197 additions and 20 deletions.
2 changes: 2 additions & 0 deletions crates/core/src/view/common.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -105,6 +105,8 @@ pub fn toggle_main_menu(view: &mut dyn View, rect: Rectangle, enable: Option<boo
EntryKind::SubMenu("Rotate".to_string(), rotate),
EntryKind::Command("Take Screenshot".to_string(),
EntryId::TakeScreenshot),
EntryKind::Command("Lock Screen Input".to_string(),
EntryId::LockScreenInput),
EntryKind::Separator,
EntryKind::SubMenu("Applications".to_string(), apps),
EntryKind::Separator];
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1 change: 1 addition & 0 deletions crates/core/src/view/mod.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -574,6 +574,7 @@ pub enum EntryId {
New,
Refresh,
TakeScreenshot,
LockScreenInput,
Reboot,
Quit,
}
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85 changes: 85 additions & 0 deletions crates/emulator/src/main.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -281,6 +281,10 @@ fn main() -> Result<(), Error> {

let mut bus = VecDeque::with_capacity(4);

let (mut back_pressed, mut fwd_pressed) = (false, false);
let (mut swallow_back_release, mut swallow_fwd_release) = (false, false);
let mut is_screen_locked = false;

'outer: loop {
let mut event_pump = sdl_context.event_pump().unwrap();
while let Some(sdl_evt) = event_pump.poll_event() {
Expand Down Expand Up @@ -549,6 +553,10 @@ fn main() -> Result<(), Error> {
let notif = Notification::new(msg, &tx, &mut rq, &mut context);
view.children_mut().push(Box::new(notif) as Box<dyn View>);
},
Event::Select(EntryId::LockScreenInput) => {
is_screen_locked = true;
tx.send(Event::Toggle(ViewId::TopBottomBars)).ok();
}
Event::Notify(msg) => {
let notif = Notification::new(msg, &tx, &mut rq, &mut context);
view.children_mut().push(Box::new(notif) as Box<dyn View>);
Expand Down Expand Up @@ -577,13 +585,82 @@ fn main() -> Result<(), Error> {
}
}
},
Event::Device(DeviceEvent::Button { code, status: ButtonStatus::Pressed, .. }) => {
// IDK how we can catch the initial starting press.
// Seems impossible without delay.
if is_screen_locked {
match code {
ButtonCode::Backward => {
back_pressed = true;

// When both buttons are pressed during lock screen
// then unlock the screen.
if fwd_pressed {
is_screen_locked = false;
continue;
}
},
ButtonCode::Forward => {
fwd_pressed = true;

// When both buttons are pressed during lock screen
// then unlock the screen.
if back_pressed {
is_screen_locked = false;
continue;
}
},
_ => (),
}
}

handle_event(view.as_mut(), &evt, &tx, &mut bus, &mut rq, &mut context);
},
Event::Device(DeviceEvent::Button { code, status: ButtonStatus::Released, .. }) => {
match code {
ButtonCode::Backward => {
// User was holding both buttons, but released back first
// Now catch the foward release event and swallow it.
if fwd_pressed && back_pressed {
swallow_fwd_release = true;
}

back_pressed = false;

if swallow_back_release {
swallow_back_release = false;
continue;
}
},
ButtonCode::Forward => {
// Same but the user released forward first. We catch back release.
if fwd_pressed && back_pressed {
swallow_back_release = true;
}

fwd_pressed = false;

if swallow_fwd_release {
swallow_fwd_release = false;
continue
}
},
_ => (),
}

handle_event(view.as_mut(), &evt, &tx, &mut bus, &mut rq, &mut context);
},
Event::Device(DeviceEvent::RotateScreen(n)) => {
tx.send(Event::Select(EntryId::Rotate(n))).ok();
},
Event::Select(EntryId::Quit) => {
break 'outer;
},
_ => {
if is_screen_locked && is_gesture_event(&evt) {
// Skip this event
continue;
}
handle_event(view.as_mut(), &evt, &tx, &mut bus, &mut rq, &mut context);
},
}
Expand Down Expand Up @@ -615,3 +692,11 @@ fn main() -> Result<(), Error> {

Ok(())
}

fn is_gesture_event(evt: &Event) -> bool {
match evt {
Event::Gesture(_) => true,
_ => false,
}
}

129 changes: 109 additions & 20 deletions crates/plato/src/app.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -335,6 +335,10 @@ pub fn run() -> Result<(), Error> {
BATTERY_REFRESH_INTERVAL, &tx, &mut tasks);
tx.send(Event::WakeUp).ok();

let (mut back_pressed, mut fwd_pressed) = (false, false);
let (mut swallow_back_release, mut swallow_fwd_release) = (false, false);
let mut is_screen_locked = false;

while let Ok(evt) = rx.recv() {
match evt {
Event::Device(de) => {
Expand All @@ -357,9 +361,74 @@ pub fn run() -> Result<(), Error> {
view.children_mut().push(Box::new(interm) as Box<dyn View>);
}
},
DeviceEvent::Button { code: ButtonCode::Light, status: ButtonStatus::Pressed, .. } => {
DeviceEvent::Button { code: ButtonCode::Light, status, .. } => {
tx.send(Event::ToggleFrontlight).ok();
},
DeviceEvent::Button { code, status: ButtonStatus::Pressed, .. } => {
// IDK how we can catch the initial starting press.
// Seems impossible without delay.
if is_screen_locked {
match code {
ButtonCode::Backward => {
back_pressed = true;

// When both buttons are pressed during lock screen
// then unlock the screen.
if fwd_pressed {
is_screen_locked = false;
continue;
}
},
ButtonCode::Forward => {
fwd_pressed = true;

// When both buttons are pressed during lock screen
// then unlock the screen.
if back_pressed {
is_screen_locked = false;
continue;
}
},
_ => (),
}
}

handle_event(view.as_mut(), &evt, &tx, &mut bus, &mut rq, &mut context);
},
DeviceEvent::Button { code, status: ButtonStatus::Released, .. } => {
match code {
ButtonCode::Backward => {
// User was holding both buttons, but released back first
// Now catch the foward release event and swallow it.
if fwd_pressed && back_pressed {
swallow_fwd_release = true;
}

back_pressed = false;

if swallow_back_release {
swallow_back_release = false;
continue;
}
},
ButtonCode::Forward => {
// Same but the user released forward first. We catch back release.
if fwd_pressed && back_pressed {
swallow_back_release = true;
}

fwd_pressed = false;

if swallow_fwd_release {
swallow_fwd_release = false;
continue
}
},
_ => (),
}

handle_event(view.as_mut(), &evt, &tx, &mut bus, &mut rq, &mut context);
},
DeviceEvent::CoverOn => {
if context.covered {
continue;
Expand Down Expand Up @@ -699,28 +768,32 @@ pub fn run() -> Result<(), Error> {
break;
},
GestureEvent::MultiTap(mut points) => {
if points[0].x > points[1].x {
points.swap(0, 1);
}
let rect = context.fb.rect();
let r1 = Region::from_point(points[0], rect,
context.settings.reader.strip_width,
context.settings.reader.corner_width);
let r2 = Region::from_point(points[1], rect,
context.settings.reader.strip_width,
context.settings.reader.corner_width);
match (r1, r2) {
(Region::Corner(DiagDir::SouthWest), Region::Corner(DiagDir::NorthEast)) => {
rq.add(RenderData::new(view.id(), context.fb.rect(), UpdateMode::Full));
},
(Region::Corner(DiagDir::NorthWest), Region::Corner(DiagDir::SouthEast)) => {
tx.send(Event::Select(EntryId::TakeScreenshot)).ok();
},
_ => (),
if !is_screen_locked {
if points[0].x > points[1].x {
points.swap(0, 1);
}
let rect = context.fb.rect();
let r1 = Region::from_point(points[0], rect,
context.settings.reader.strip_width,
context.settings.reader.corner_width);
let r2 = Region::from_point(points[1], rect,
context.settings.reader.strip_width,
context.settings.reader.corner_width);
match (r1, r2) {
(Region::Corner(DiagDir::SouthWest), Region::Corner(DiagDir::NorthEast)) => {
rq.add(RenderData::new(view.id(), context.fb.rect(), UpdateMode::Full));
},
(Region::Corner(DiagDir::NorthWest), Region::Corner(DiagDir::SouthEast)) => {
tx.send(Event::Select(EntryId::TakeScreenshot)).ok();
},
_ => (),
}
}
},
_ => {
handle_event(view.as_mut(), &evt, &tx, &mut bus, &mut rq, &mut context);
if !is_screen_locked {
handle_event(view.as_mut(), &evt, &tx, &mut bus, &mut rq, &mut context);
}
},
}
},
Expand Down Expand Up @@ -951,6 +1024,10 @@ pub fn run() -> Result<(), Error> {
let notif = Notification::new(msg, &tx, &mut rq, &mut context);
view.children_mut().push(Box::new(notif) as Box<dyn View>);
},
Event::Select(EntryId::LockScreenInput) => {
is_screen_locked = true;
tx.send(Event::Toggle(ViewId::TopBottomBars)).ok();
}
Event::CheckFetcher(..) |
Event::FetcherAddDocument(..) |
Event::FetcherRemoveDocument(..) |
Expand Down Expand Up @@ -988,6 +1065,10 @@ pub fn run() -> Result<(), Error> {
}
},
_ => {
if is_screen_locked && is_gesture_event(&evt) {
// Skip this event
continue;
}
handle_event(view.as_mut(), &evt, &tx, &mut bus, &mut rq, &mut context);
},
}
Expand Down Expand Up @@ -1026,3 +1107,11 @@ pub fn run() -> Result<(), Error> {

Ok(())
}

fn is_gesture_event(evt: &Event) -> bool {
match evt {
Event::Gesture(_) => true,
_ => false,
}
}

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