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Don't pass the large DialogMessage on the stack

Browse source 
Instead, since the size of DialogMessage is allocated in the Message
enum, pass it as a box, so that only the size of a pointer is allocated
on the stack instead.
This commit is contained in:
Chris Glass 2026-04-10 18:32:09 +02:00
parent f50ece41eb
commit 72a27129e3
1 changed files with 137 additions and 122 deletions
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65
src/main.rs
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@ -375,7 +375,7 @@ pub enum Message {
DefaultFontStretch(usize), DefaultFontStretch(usize),
DefaultFontWeight(usize), DefaultFontWeight(usize),
DefaultZoomStep(usize), DefaultZoomStep(usize),
DialogMessage(DialogMessage), DialogMessage(Box<DialogMessage>), // DialogMessage is huge, so we use a box to make the size of this enum smaller on the stack
Drop(Option<(pane_grid::Pane, segmented_button::Entity, DndDrop)>), Drop(Option<(pane_grid::Pane, segmented_button::Entity, DndDrop)>),
Find(bool), Find(bool),
FindNext, FindNext,
@ -694,7 +694,8 @@ impl App {
if let Some(tab_model) = self.pane_model.active() { if let Some(tab_model) = self.pane_model.active() {
for entity in tab_model.iter() { for entity in tab_model.iter() {
if tab_model.is_active(entity) if tab_model.is_active(entity)
&& let Some(terminal) = tab_model.data::<Mutex<Terminal>>(entity) { && let Some(terminal) = tab_model.data::<Mutex<Terminal>>(entity)
{
let mut terminal = terminal.lock().unwrap(); let mut terminal = terminal.lock().unwrap();
let current_zoom_adj = terminal.zoom_adj(); let current_zoom_adj = terminal.zoom_adj();
match zoom_message { match zoom_message {
@ -722,7 +723,8 @@ impl App {
ColorSchemeKind::Light => "color_schemes_light", ColorSchemeKind::Light => "color_schemes_light",
}, },
self.config.color_schemes(color_scheme_kind), self.config.color_schemes(color_scheme_kind),
) { )
{
log::error!("failed to save config: {}", err); log::error!("failed to save config: {}", err);
} }
self.update_color_schemes(); self.update_color_schemes();
@ -1019,7 +1021,8 @@ impl App {
for action in group.actions { for action in group.actions {
let action_label = shortcuts::action_label(action); let action_label = shortcuts::action_label(action);
if let Some(regex) = &self.shortcut_search_regex if let Some(regex) = &self.shortcut_search_regex
&& regex.find(&action_label).is_none() { && regex.find(&action_label).is_none()
{
continue; continue;
} }
found_actions = true; found_actions = true;
@ -1535,7 +1538,8 @@ impl App {
let options = tty::Options { let options = tty::Options {
shell: startup_options.shell.or_else(|| { shell: startup_options.shell.or_else(|| {
if let Some(mut args) = shlex::split(&profile.command) if let Some(mut args) = shlex::split(&profile.command)
&& !args.is_empty() { && !args.is_empty()
{
let command = args.remove(0); let command = args.remove(0);
return Some(tty::Shell::new(command, args)); return Some(tty::Shell::new(command, args));
} }
@ -1946,13 +1950,13 @@ impl Application for App {
.get(&color_scheme_id) .get(&color_scheme_id)
.map(|color_scheme| color_scheme.name.clone()), .map(|color_scheme| color_scheme.name.clone()),
None => Some(format!("COSMIC {:?}", color_scheme_kind)), None => Some(format!("COSMIC {:?}", color_scheme_kind)),
} } && self.dialog_opt.is_none()
&& self.dialog_opt.is_none() { {
let (dialog, command) = Dialog::new( let (dialog, command) = Dialog::new(
DialogSettings::new().kind(DialogKind::SaveFile { DialogSettings::new().kind(DialogKind::SaveFile {
filename: format!("{}.ron", color_scheme_name), filename: format!("{}.ron", color_scheme_name),
}), }),
Message::DialogMessage, |msg| Message::DialogMessage(Box::new(msg)),
move |result| { move |result| {
Message::ColorSchemeExportResult( Message::ColorSchemeExportResult(
color_scheme_kind, color_scheme_kind,
@ -2050,7 +2054,7 @@ impl Application for App {
self.color_scheme_errors.clear(); self.color_scheme_errors.clear();
let (dialog, command) = Dialog::new( let (dialog, command) = Dialog::new(
DialogSettings::new().kind(DialogKind::OpenMultipleFiles), DialogSettings::new().kind(DialogKind::OpenMultipleFiles),
Message::DialogMessage, |msg| Message::DialogMessage(Box::new(msg)),
move |result| Message::ColorSchemeImportResult(color_scheme_kind, result), move |result| Message::ColorSchemeImportResult(color_scheme_kind, result),
); );
self.dialog_opt = Some(dialog); self.dialog_opt = Some(dialog);
@ -2292,7 +2296,8 @@ impl Application for App {
}, },
Message::DialogMessage(dialog_message) => { Message::DialogMessage(dialog_message) => {
if let Some(dialog) = &mut self.dialog_opt { if let Some(dialog) = &mut self.dialog_opt {
return dialog.update(dialog_message); // DialogMessage is boxed, so we need to dereference it before updating
return dialog.update(*dialog_message);
} }
} }
Message::Drop(Some((pane, entity, data))) => { Message::Drop(Some((pane, entity, data))) => {
@ -2332,7 +2337,8 @@ impl Application for App {
} }
Message::FindNext => { Message::FindNext => {
if !self.find_search_value.is_empty() if !self.find_search_value.is_empty()
&& let Some(tab_model) = self.pane_model.active() { && let Some(tab_model) = self.pane_model.active()
{
let entity = tab_model.active(); let entity = tab_model.active();
if let Some(terminal) = tab_model.data::<Mutex<Terminal>>(entity) { if let Some(terminal) = tab_model.data::<Mutex<Terminal>>(entity) {
let mut terminal = terminal.lock().unwrap(); let mut terminal = terminal.lock().unwrap();
@ -2345,7 +2351,8 @@ impl Application for App {
} }
Message::FindPrevious => { Message::FindPrevious => {
if !self.find_search_value.is_empty() if !self.find_search_value.is_empty()
&& let Some(tab_model) = self.pane_model.active() { && let Some(tab_model) = self.pane_model.active()
{
let entity = tab_model.active(); let entity = tab_model.active();
if let Some(terminal) = tab_model.data::<Mutex<Terminal>>(entity) { if let Some(terminal) = tab_model.data::<Mutex<Terminal>>(entity) {
let mut terminal = terminal.lock().unwrap(); let mut terminal = terminal.lock().unwrap();
@ -2447,7 +2454,8 @@ impl Application for App {
let mut terminal = terminal.lock().unwrap(); let mut terminal = terminal.lock().unwrap();
if let Some(url) = if let Some(url) =
terminal.context_menu.as_ref().and_then(|m| m.link.as_ref()) terminal.context_menu.as_ref().and_then(|m| m.link.as_ref())
&& let Err(err) = open::that_detached(url) { && let Err(err) = open::that_detached(url)
{
log::warn!("failed to open {:?}: {}", url, err); log::warn!("failed to open {:?}: {}", url, err);
} }
terminal.context_menu = None; terminal.context_menu = None;
@ -2813,7 +2821,8 @@ impl Application for App {
} }
// Close terminal context menu state // Close terminal context menu state
if let Some(tab_model) = self.pane_model.active() if let Some(tab_model) = self.pane_model.active()
&& let Some(terminal) = tab_model.data::<Mutex<Terminal>>(entity) { && let Some(terminal) = tab_model.data::<Mutex<Terminal>>(entity)
{
let mut terminal = terminal.lock().unwrap(); let mut terminal = terminal.lock().unwrap();
//Some actions need the menu_state, //Some actions need the menu_state,
//so only clear the position for them. //so only clear the position for them.
@ -2948,9 +2957,7 @@ impl Application for App {
let pos = tab_model let pos = tab_model
.position(tab_model.active()) .position(tab_model.active())
.and_then(|i| (i as usize).checked_sub(1)) .and_then(|i| (i as usize).checked_sub(1))
.unwrap_or_else(|| { .unwrap_or_else(|| tab_model.iter().count().saturating_sub(1));
tab_model.iter().count().saturating_sub(1)
});
let entity = tab_model.iter().nth(pos); let entity = tab_model.iter().nth(pos);
if let Some(entity) = entity { if let Some(entity) = entity {
@ -2990,7 +2997,8 @@ impl Application for App {
}, },
TermEvent::ColorRequest(index, f) => { TermEvent::ColorRequest(index, f) => {
if let Some(tab_model) = self.pane_model.panes.get(pane) if let Some(tab_model) = self.pane_model.panes.get(pane)
&& let Some(terminal) = tab_model.data::<Mutex<Terminal>>(entity) { && let Some(terminal) = tab_model.data::<Mutex<Terminal>>(entity)
{
let terminal = terminal.lock().unwrap(); let terminal = terminal.lock().unwrap();
let rgb = terminal.colors()[index].unwrap_or_default(); let rgb = terminal.colors()[index].unwrap_or_default();
let text = f(rgb); let text = f(rgb);
@ -3005,7 +3013,8 @@ impl Application for App {
} }
TermEvent::PtyWrite(text) => { TermEvent::PtyWrite(text) => {
if let Some(tab_model) = self.pane_model.panes.get(pane) if let Some(tab_model) = self.pane_model.panes.get(pane)
&& let Some(terminal) = tab_model.data::<Mutex<Terminal>>(entity) { && let Some(terminal) = tab_model.data::<Mutex<Terminal>>(entity)
{
let terminal = terminal.lock().unwrap(); let terminal = terminal.lock().unwrap();
terminal.input_no_scroll(text.into_bytes()); terminal.input_no_scroll(text.into_bytes());
} }
@ -3028,7 +3037,8 @@ impl Application for App {
} }
TermEvent::TextAreaSizeRequest(f) => { TermEvent::TextAreaSizeRequest(f) => {
if let Some(tab_model) = self.pane_model.panes.get(pane) if let Some(tab_model) = self.pane_model.panes.get(pane)
&& let Some(terminal) = tab_model.data::<Mutex<Terminal>>(entity) { && let Some(terminal) = tab_model.data::<Mutex<Terminal>>(entity)
{
let terminal = terminal.lock().unwrap(); let terminal = terminal.lock().unwrap();
let text = f(terminal.size().into()); let text = f(terminal.size().into());
terminal.input_no_scroll(text.into_bytes()); terminal.input_no_scroll(text.into_bytes());
@ -3051,7 +3061,8 @@ impl Application for App {
} }
TermEvent::MouseCursorDirty | TermEvent::Wakeup => { TermEvent::MouseCursorDirty | TermEvent::Wakeup => {
if let Some(tab_model) = self.pane_model.panes.get(pane) if let Some(tab_model) = self.pane_model.panes.get(pane)
&& let Some(terminal) = tab_model.data::<Mutex<Terminal>>(entity) { && let Some(terminal) = tab_model.data::<Mutex<Terminal>>(entity)
{
let mut terminal = terminal.lock().unwrap(); let mut terminal = terminal.lock().unwrap();
terminal.needs_update = true; terminal.needs_update = true;
} }
@ -3191,10 +3202,12 @@ impl Application for App {
} }
Message::ContextMenuPopupClosed(id) => { Message::ContextMenuPopupClosed(id) => {
if let Some((popup_id, pane, entity, _, _, _)) = &self.context_menu_popup if let Some((popup_id, pane, entity, _, _, _)) = &self.context_menu_popup
&& id == *popup_id { && id == *popup_id
{
// Clear link underline on the terminal // Clear link underline on the terminal
if let Some(tab_model) = self.pane_model.panes.get(*pane) if let Some(tab_model) = self.pane_model.panes.get(*pane)
&& let Some(terminal) = tab_model.data::<Mutex<Terminal>>(*entity) { && let Some(terminal) = tab_model.data::<Mutex<Terminal>>(*entity)
{
let mut terminal = terminal.lock().unwrap(); let mut terminal = terminal.lock().unwrap();
terminal.context_menu = None; terminal.context_menu = None;
terminal.active_regex_match = None; terminal.active_regex_match = None;
@ -3311,7 +3324,8 @@ impl Application for App {
fn on_close_requested(&self, id: window::Id) -> Option<Self::Message> { fn on_close_requested(&self, id: window::Id) -> Option<Self::Message> {
if let Some((popup_id, _, _, _, _, _)) = &self.context_menu_popup if let Some((popup_id, _, _, _, _, _)) = &self.context_menu_popup
&& id == *popup_id { && id == *popup_id
{
return Some(Message::ContextMenuPopupClosed(id)); return Some(Message::ContextMenuPopupClosed(id));
} }
None None
@ -3320,7 +3334,8 @@ impl Application for App {
fn view_window(&self, window_id: window::Id) -> Element<'_, Message> { fn view_window(&self, window_id: window::Id) -> Element<'_, Message> {
if let Some((popup_id, _pane, entity, ref link, ref autosize_id, _)) = if let Some((popup_id, _pane, entity, ref link, ref autosize_id, _)) =
self.context_menu_popup self.context_menu_popup
&& window_id == popup_id { && window_id == popup_id
{
return widget::autosize::autosize( return widget::autosize::autosize(
menu::context_menu(&self.config, &self.key_binds, entity, link.clone()), menu::context_menu(&self.config, &self.key_binds, entity, link.clone()),
autosize_id.clone(), autosize_id.clone(),