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Add support for alt-backtick switching #377

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Add support for alt-backtick switching #377

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87 changes: 85 additions & 2 deletions src/app.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -76,6 +76,10 @@ pub enum LauncherTasks {
Input { input: Option<String> },
#[clap(about = "Close the launcher if open")]
Close,
#[clap(about = "Switch to the next window of the current application")]
AltBacktick,
#[clap(about = "Switch to the previous window of the current application")]
ShiftAltBacktick,
}

impl Display for LauncherTasks {
Expand Down Expand Up @@ -151,6 +155,7 @@ pub struct CosmicLauncher {
focused: usize,
last_hide: Instant,
alt_tab: bool,
alt_backtick: Option<String>,
window_id: window::Id,
queue: VecDeque<Message>,
result_ids: Vec<Id>,
Expand Down Expand Up @@ -180,6 +185,8 @@ pub enum Message {
ActivationToken(Option<String>, String, String, GpuPreference, bool),
AltTab,
ShiftAltTab,
AltBacktick,
ShiftAltBacktick,
Opened(Size, window::Id),
AltRelease,
Overlap(OverlapNotifyEvent),
Expand Down Expand Up @@ -221,6 +228,7 @@ impl CosmicLauncher {
self.input_value.clear();
self.focused = 0;
self.alt_tab = false;
self.alt_backtick = None;
self.queue.clear();
self.hand_over.clear();

Expand Down Expand Up @@ -330,6 +338,7 @@ impl cosmic::Application for CosmicLauncher {
focused: 0,
last_hide: Instant::now(),
alt_tab: false,
alt_backtick: None,
window_id: SurfaceId::unique(),
queue: VecDeque::new(),
result_ids: (0..10)
Expand Down Expand Up @@ -527,6 +536,35 @@ impl cosmic::Application for CosmicLauncher {
let b = i32::from(b.window.is_none());
a.cmp(&b)
});

// Filter for Alt-Backtick mode: show only windows of the current application
if let Some(ref app_name) = self.alt_backtick {
if app_name.is_empty() {
// First invocation: determine current app from first window
if let Some(first_window) =
list.iter().find(|item| item.window.is_some())
{
let app_name_to_filter = first_window.name.clone();
self.alt_backtick = Some(app_name_to_filter.clone());
list.retain(|item| {
item.window.is_some() && item.name == app_name_to_filter
});
} else {
return self.hide(); // No windows found
}
} else {
// Already have app name, filter by it
let app_name_clone = app_name.clone();
list.retain(|item| {
item.window.is_some() && item.name == app_name_clone
});
}

if list.is_empty() {
return self.hide();
}
}

self.launcher_items.splice(.., list);
if self.result_ids.len() < self.launcher_items.len() {
self.result_ids.extend(
Expand Down Expand Up @@ -709,8 +747,34 @@ impl cosmic::Application for CosmicLauncher {
},
);
}
Message::AltBacktick => {
self.focus_next();
return operation::snap_to(
SCROLLABLE.clone(),
RelativeOffset {
x: None,
y: Some(
(self.focused as f32 / (self.launcher_items.len() as f32 - 1.).max(1.))
.max(0.0),
),
},
);
}
Message::ShiftAltBacktick => {
self.focus_previous();
return operation::snap_to(
SCROLLABLE.clone(),
RelativeOffset {
x: None,
y: Some(
(self.focused as f32 / (self.launcher_items.len() as f32 - 1.).max(1.))
.max(0.0),
),
},
);
}
Message::AltRelease => {
if self.alt_tab {
if self.alt_tab || self.alt_backtick.is_some() {
return self.update(Message::Activate(None));
}
}
Expand Down Expand Up @@ -779,6 +843,24 @@ impl cosmic::Application for CosmicLauncher {
LauncherTasks::Close => {
return self.update(Message::Hide);
}
LauncherTasks::AltBacktick => {
if self.alt_backtick.is_some() {
return self.update(Message::AltBacktick);
}

self.alt_backtick = Some(String::new());
self.request(launcher::Request::Search(String::new()));
self.queue.push_back(Message::AltBacktick);
}
LauncherTasks::ShiftAltBacktick => {
if self.alt_backtick.is_some() {
return self.update(Message::ShiftAltBacktick);
}

self.alt_backtick = Some(String::new());
self.request(launcher::Request::Search(String::new()));
self.queue.push_back(Message::ShiftAltBacktick);

@mmm-spot mmm-spot Apr 13, 2026

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Suggested change
self.queue.push_back(Message::ShiftAltBacktick);
self.queue.push_back(Message::ShiftAltBacktick);
}

@mmm-spot mmm-spot Apr 13, 2026

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should be just this, right?

}
}
}
Details::Open { .. } => {}
Expand Down Expand Up @@ -846,6 +928,7 @@ impl cosmic::Application for CosmicLauncher {

let mut button_content = Vec::new();
if !self.alt_tab
&& self.alt_backtick.is_none()
&& let Some(source) = item.category_icon.as_ref()
{
let icon_handle = match source {
Expand Down Expand Up @@ -980,7 +1063,7 @@ impl cosmic::Application for CosmicLauncher {
})
.collect();

let mut content = if self.alt_tab {
let mut content = if self.alt_tab || self.alt_backtick.is_some() {
Column::new()
.max_width(600)
.spacing(16)
Expand Down
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