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#[cfg_attr(not(test), expect(clippy::wildcard_imports, reason = "shared"))]
use super::*;
impl App {
#[expect(
clippy::excessive_nesting,
reason = "the key handler mirrors the shape of the input it decodes"
)]
#[expect(
clippy::too_many_lines,
reason = "the draw pass reads better as one top-to-bottom pass"
)]
pub(crate) fn handle_mouse(&mut self, event: MouseEvent, now: Instant) -> Vec<AppEffect> {
let mut effects = Vec::new();
self.link_hover = (event.kind == MouseEventKind::Moved
&& event.modifiers.intersects(
KeyModifiers::CONTROL
| KeyModifiers::SUPER
| KeyModifiers::META
| KeyModifiers::HYPER,
)
&& self
.geometry
.link_hits
.iter()
.any(|hit| hit.area.contains((event.column, event.row).into())))
.then_some((event.column, event.row));
if let Some(Modal::Help {
selected, hover, ..
}) = &mut self.modal
{
let point = (event.column, event.row).into();
match event.kind {
MouseEventKind::Moved => {
*hover = self
.geometry
.help_hits
.iter()
.find(|hit| hit.area.contains(point))
.map(|hit| hit.index);
}
MouseEventKind::Down(MouseButton::Left) => {
if let Some(index) = self
.geometry
.help_hits
.iter()
.find(|hit| hit.area.contains(point))
.map(|hit| hit.index)
{
*selected = index;
*hover = Some(index);
}
}
MouseEventKind::ScrollUp => {
*selected = previous_list_index(*selected, crate::ui::help_shortcut_count());
*hover = None;
}
MouseEventKind::ScrollDown => {
*selected = next_list_index(*selected, crate::ui::help_shortcut_count());
*hover = None;
}
_ => {}
}
return effects;
}
if matches!(
self.modal,
Some(
Modal::Commit { .. }
| Modal::Confirm { .. }
| Modal::PullRequestActions { .. }
| Modal::PullRequestReviewThreadActions { .. }
)
) && event.kind == MouseEventKind::Down(MouseButton::Left)
{
if let Some(action) = self
.geometry
.modal_action_hits
.iter()
.find(|(area, _)| area.contains((event.column, event.row).into()))
.map(|(_, action)| *action)
{
self.handle_modal_action(action, &mut effects);
}
return effects;
}
if self.modal.is_some() {
return effects;
}
if event.modifiers.contains(KeyModifiers::SHIFT) {
match event.kind {
MouseEventKind::ScrollUp | MouseEventKind::ScrollLeft => {
self.scroll_horizontal(false);
}
MouseEventKind::ScrollDown | MouseEventKind::ScrollRight => {
self.scroll_horizontal(true);
}
_ => {}
}
return effects;
}
match event.kind {
MouseEventKind::Down(MouseButton::Left) => {
self.text_selection = None;
let point = (event.column, event.row).into();
if self
.geometry
.project_hits
.iter()
.any(|area| area.contains(point))
{
self.open_projects(&mut effects);
} else if let Some(target) = self
.geometry
.link_hits
.iter()
.find(|hit| hit.area.contains(point))
.map(|hit| hit.target.clone())
{
effects.push(AppEffect::Open(target));
} else if self
.geometry
.sidebar_divider
.contains((event.column, event.row).into())
{
self.begin_resize(ResizeTarget::Sidebar, event.column, now);
} else if self
.geometry
.diff_divider
.is_some_and(|divider| divider.contains((event.column, event.row).into()))
{
self.begin_resize(ResizeTarget::Diff, event.column, now);
} else {
self.last_resize_tap = None;
if self
.geometry
.changes_tab
.contains((event.column, event.row).into())
{
self.switch_view(View::Changes, &mut effects);
} else if self
.geometry
.history_tab
.contains((event.column, event.row).into())
{
self.switch_view(View::History, &mut effects);
} else if self
.geometry
.pull_requests_tab
.contains((event.column, event.row).into())
{
self.switch_view(View::PullRequests, &mut effects);
} else if let Some(action) = self
.geometry
.scm_action_hits
.iter()
.find(|hit| hit.area.contains((event.column, event.row).into()))
.map(|hit| hit.action.clone())
{
self.handle_scm_action(action, &mut effects);
} else if self.scm_menu_open || self.pr_menu_open {
self.scm_menu_open = false;
self.pr_menu_open = false;
} else if self
.geometry
.sidebar
.contains((event.column, event.row).into())
{
self.set_focus(Focus::Sidebar, &mut effects);
if let Some(hit) = self
.geometry
.sidebar_hits
.iter()
.find(|hit| hit.area.contains((event.column, event.row).into()))
.map(|hit| hit.target.clone())
{
match hit {
SidebarHit::ChangeSection(section) => {
self.auxiliary_preview = None;
self.toggle_change_section(section);
self.schedule_preview(now);
}
SidebarHit::Change(index) => {
if let Some(cursor) = self
.visible_change_indices()
.iter()
.position(|visible| *visible == index)
{
self.auxiliary_preview = None;
self.selected_change_section = None;
self.change_cursor = cursor;
self.schedule_preview(now);
}
}
SidebarHit::Commit(index) => {
if let Some(cursor) = self
.visible_commit_indices()
.iter()
.position(|visible| *visible == index)
{
self.history_cursor = cursor;
self.schedule_preview(now);
}
}
SidebarHit::PullRequestFiles => self.select_pull_request_section(
PullRequestSection::Files,
&mut effects,
),
SidebarHit::PullRequestOverview => self
.select_pull_request_section(
PullRequestSection::Overview,
&mut effects,
),
SidebarHit::PullRequestConversation => {
self.selected_check_section = None;
self.select_pull_request_check(None, &mut effects);
}
SidebarHit::PullRequestCheckSection(section) => {
self.toggle_check_section(section);
self.schedule_preview(now);
}
SidebarHit::PullRequestChooseRepository => {
self.open_pull_request_repositories(&mut effects);
}
SidebarHit::PullRequestLookup => {
self.pull_request_lookup_active = true;
}
SidebarHit::RecentPullRequest(index) => {
let _ = self.open_recent_pull_request(index, &mut effects);
}
SidebarHit::PullRequestDirectory(path) => {
self.toggle_pull_request_directory(path);
}
SidebarHit::PullRequestFile(index) => {
if let Some(cursor) =
self.pull_request_tree_entries().iter().position(|entry| {
matches!(
entry,
PullRequestTreeEntry::File {
index: entry_index,
..
} if *entry_index == index
)
})
{
self.select_pull_request_tree_entry(cursor, now);
}
}
SidebarHit::PullRequestCheck(index) => {
if index < self.pull_request_checks.len() {
self.select_pull_request_check(Some(index), &mut effects);
}
}
}
}
} else if self
.geometry
.content
.contains((event.column, event.row).into())
{
if let Some(step) = self
.geometry
.content_step_hits
.iter()
.find(|hit| hit.area.contains((event.column, event.row).into()))
.map(|hit| hit.step)
{
self.focus = Focus::Content;
self.toggle_check_step(step);
} else if let Some(thread_id) = self
.geometry
.content_review_hits
.iter()
.find(|hit| hit.area.contains((event.column, event.row).into()))
.map(|hit| hit.thread_id.clone())
{
self.focus = Focus::Content;
self.open_review_thread_actions(&thread_id);
} else if let Some(path) = self
.geometry
.content_file_hits
.iter()
.find(|hit| hit.area.contains((event.column, event.row).into()))
.map(|hit| hit.path.clone())
{
self.focus = Focus::Content;
self.toggle_preview_file(path, &mut effects);
} else {
self.focus = Focus::Content;
self.start_text_selection(event.column, event.row);
}
}
}
}
MouseEventKind::Drag(MouseButton::Left) => {
self.last_resize_tap = None;
match self.resize_target {
Some(ResizeTarget::Sidebar) => self.resize_sidebar(event.column),
Some(ResizeTarget::Diff) => self.resize_diff(event.column),
None => self.update_text_selection(event.column, event.row),
}
}
MouseEventKind::Up(MouseButton::Left) if self.resize_target.take().is_none() => {
self.update_text_selection(event.column, event.row);
let dragged = self
.text_selection
.is_some_and(|selection| selection.anchor != selection.head);
if dragged {
let text = self.selected_text();
if !text.is_empty() {
effects.push(AppEffect::Copy(text));
self.show_toast(
"Selection copied from this pane".to_owned(),
ToastLevel::Success,
now,
);
}
} else {
self.text_selection = None;
}
}
MouseEventKind::ScrollDown => {
if self
.geometry
.sidebar
.contains((event.column, event.row).into())
{
self.focus = Focus::Sidebar;
self.sidebar_free_scroll = true;
self.sidebar_offset = self.sidebar_offset.saturating_add(2);
} else {
self.focus = Focus::Content;
self.content_scroll = self.content_scroll.saturating_add(2);
}
}
MouseEventKind::ScrollUp => {
if self
.geometry
.sidebar
.contains((event.column, event.row).into())
{
self.focus = Focus::Sidebar;
self.sidebar_free_scroll = true;
self.sidebar_offset = self.sidebar_offset.saturating_sub(2);
} else {
self.focus = Focus::Content;
self.content_scroll = self.content_scroll.saturating_sub(2);
}
}
MouseEventKind::ScrollLeft => {
self.scroll_horizontal(false);
}
MouseEventKind::ScrollRight => {
self.scroll_horizontal(true);
}
_ => {}
}
effects
}
}