pub struct Areas {
pub state: Area,
pub status: Area,
pub input: Area,
pub purpose: Option<Area>,
pub pos_idx: usize,
pub nb_pos: usize,
}Expand description
the areas of the various parts of a panel. It’s also where a state usually checks how many panels there are, and their respective positions
Fields§
§state: Area§status: Area§input: Area§purpose: Option<Area>§pos_idx: usize§nb_pos: usizeImplementations§
source§impl Areas
impl Areas
sourcepub fn create(
present_panels: &mut [Panel],
insertion_idx: usize,
screen: Screen,
with_preview: bool
) -> Self
pub fn create(
present_panels: &mut [Panel],
insertion_idx: usize,
screen: Screen,
with_preview: bool
) -> Self
compute an area for a new panel which will be inserted
Examples found in repository?
src/app/app.rs (line 93)
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pub fn new(
con: &AppContext,
) -> Result<App, ProgramError> {
let screen = Screen::new(con)?;
let panel = Panel::new(
PanelId::from(0),
Box::new(
BrowserState::new(
con.initial_root.clone(),
con.initial_tree_options.clone(),
screen,
con,
&Dam::unlimited(),
)?
),
Areas::create(&mut Vec::new(), 0, screen, false),
con,
);
let (tx_seqs, rx_seqs) = unbounded::<Sequence>();
Ok(App {
screen,
active_panel_idx: 0,
panels: panel.into(),
quitting: false,
launch_at_end: None,
created_panels_count: 1,
preview_panel: None,
stage_panel: None,
shared_root: None,
tx_seqs,
rx_seqs,
drawing_count: 0,
})
}
fn panel_ref_to_idx(&self, panel_ref: PanelReference) -> Option<usize> {
match panel_ref {
PanelReference::Active => Some(self.active_panel_idx),
PanelReference::Leftest => Some(0),
PanelReference::Rightest => Some(self.panels.len().get() - 1),
PanelReference::Id(id) => self.panel_id_to_idx(id),
PanelReference::Preview => self.preview_panel.and_then(|id| self.panel_id_to_idx(id)),
}
}
/// return the current index of the panel with given id
fn panel_id_to_idx(&self, id: PanelId) -> Option<usize> {
self.panels.iter().position(|panel| panel.id == id)
}
fn state(&self) -> &dyn PanelState {
self.panels[self.active_panel_idx].state()
}
fn mut_state(&mut self) -> &mut dyn PanelState {
self.panels[self.active_panel_idx].mut_state()
}
fn panel(&self) -> &Panel {
&self.panels[self.active_panel_idx]
}
fn mut_panel(&mut self) -> &mut Panel {
unsafe {
self.panels
.as_mut_slice()
.get_unchecked_mut(self.active_panel_idx)
}
}
/// close the panel if it's not the last one
///
/// Return true when the panel has been removed (ie it wasn't the last one)
fn close_panel(&mut self, panel_idx: usize) -> bool {
let active_panel_id = self.panels[self.active_panel_idx].id;
if let Some(preview_id) = self.preview_panel {
if self.panels.has_len(2) && self.panels[panel_idx].id != preview_id {
// we don't want to stay with just the preview
return false;
}
}
if let Some(stage_id) = self.stage_panel {
if self.panels.has_len(2) && self.panels[panel_idx].id != stage_id {
// we don't want to stay with just the stage
return false;
}
}
if let Ok(removed_panel) = self.panels.remove(panel_idx) {
if self.preview_panel == Some(removed_panel.id) {
self.preview_panel = None;
}
if self.stage_panel == Some(removed_panel.id) {
self.stage_panel = None;
}
Areas::resize_all(
self.panels.as_mut_slice(),
self.screen,
self.preview_panel.is_some(),
);
self.active_panel_idx = self
.panels
.iter()
.position(|p| p.id == active_panel_id)
.unwrap_or(self.panels.len().get() - 1);
true
} else {
false // there's no other panel to go to
}
}
/// remove the top state of the current panel
///
/// Close the panel too if that was its only state.
/// Close nothing and return false if there's not
/// at least two states in the app.
fn remove_state(&mut self) -> bool {
self.panels[self.active_panel_idx].remove_state()
|| self.close_panel(self.active_panel_idx)
}
/// redraw the whole screen. All drawing
/// are supposed to happen here, and only here.
fn display_panels(
&mut self,
w: &mut W,
skin: &AppSkin,
app_state: &AppState,
con: &AppContext,
) -> Result<(), ProgramError> {
self.drawing_count += 1;
for (idx, panel) in self.panels.as_mut_slice().iter_mut().enumerate() {
let active = idx == self.active_panel_idx;
let panel_skin = if active { &skin.focused } else { &skin.unfocused };
let disc = DisplayContext {
count: self.drawing_count,
active,
screen: self.screen,
panel_skin,
state_area: panel.areas.state.clone(),
app_state,
con,
};
time!(
"display panel",
panel.display(w, &disc)?,
);
}
kitty::manager().lock().unwrap().erase_images_before(w, self.drawing_count)?;
w.flush()?;
Ok(())
}
/// if there are exactly two non preview panels, return the selection
/// in the non focused panel
fn get_other_panel_path(&self) -> Option<PathBuf> {
let len = self.panels.len().get();
if len == 3 {
if let Some(preview_id) = self.preview_panel {
for (idx, panel) in self.panels.iter().enumerate() {
if self.active_panel_idx != idx && panel.id != preview_id {
return panel.state().selected_path()
.map(|p| p.to_path_buf());
}
}
}
None
} else if self.panels.len().get() == 2 && self.preview_panel.is_none() {
let non_focused_panel_idx = if self.active_panel_idx == 0 { 1 } else { 0 };
self.panels[non_focused_panel_idx].state().selected_path()
.map(|p| p.to_path_buf())
} else {
None
}
}
/// apply a command. Change the states but don't redraw on screen.
fn apply_command(
&mut self,
w: &mut W,
cmd: Command,
panel_skin: &PanelSkin,
app_state: &mut AppState,
con: &mut AppContext,
) -> Result<(), ProgramError> {
use CmdResult::*;
let mut error: Option<String> = None;
let is_input_invocation = cmd.is_verb_invocated_from_input();
let app_cmd_context = AppCmdContext {
panel_skin,
preview_panel: self.preview_panel,
stage_panel: self.stage_panel,
screen: self.screen, // it can't change in this function
con,
};
let cmd_result = self.mut_panel().apply_command(w, &cmd, app_state, &app_cmd_context)?;
debug!("cmd_result: {:?}", &cmd_result);
match cmd_result {
ApplyOnPanel { id } => {
if let Some(idx) = self.panel_id_to_idx(id) {
if let DisplayError(txt) = self.panels[idx].apply_command(
w, &cmd, app_state, &app_cmd_context
)? {
// we should probably handle other results
// which implies the possibility of a recursion
error = Some(txt);
} else if is_input_invocation {
self.mut_panel().clear_input();
}
} else {
warn!("no panel found for ApplyOnPanel");
}
}
ClosePanel { validate_purpose, panel_ref } => {
if is_input_invocation {
self.mut_panel().clear_input_invocation(con);
}
let close_idx = self.panel_ref_to_idx(panel_ref)
.unwrap_or_else(||
// when there's a preview panel, we close it rather than the app
if self.panels.len().get()==2 && self.preview_panel.is_some() {
1
} else {
self.active_panel_idx
}
);
let mut new_arg = None;
if validate_purpose {
let purpose = &self.panels[close_idx].purpose;
if let PanelPurpose::ArgEdition { .. } = purpose {
new_arg = self.panels[close_idx]
.state()
.selected_path()
.map(|p| p.to_string_lossy().to_string());
}
}
if self.close_panel(close_idx) {
let screen = self.screen;
self.mut_state().refresh(screen, con);
if let Some(new_arg) = new_arg {
self.mut_panel().set_input_arg(new_arg);
let new_input = self.panel().get_input_content();
let cmd = Command::from_raw(new_input, false);
let app_cmd_context = AppCmdContext {
panel_skin,
preview_panel: self.preview_panel,
stage_panel: self.stage_panel,
screen,
con,
};
self.mut_panel().apply_command(w, &cmd, app_state, &app_cmd_context)?;
}
} else {
self.quitting = true;
}
}
DisplayError(txt) => {
error = Some(txt);
}
ExecuteSequence { sequence } => {
self.tx_seqs.send(sequence).unwrap();
}
HandleInApp(internal) => {
debug!("handling internal {internal:?} at app level");
match internal {
Internal::panel_left_no_open | Internal::panel_right_no_open => {
let new_active_panel_idx = if internal == Internal::panel_left_no_open {
// we're here because the state wants us to either move to the panel
// to the left, or close the rightest one
if self.active_panel_idx == 0 {
self.close_panel(self.panels.len().get()-1);
None
} else {
Some(self.active_panel_idx - 1)
}
} else { // panel_right
// we either move to the right or close the leftest panel
if self.active_panel_idx + 1 == self.panels.len().get() {
self.close_panel(0);
None
} else {
Some(self.active_panel_idx + 1)
}
};
if let Some(idx) = new_active_panel_idx {
if is_input_invocation {
self.mut_panel().clear_input();
}
self.active_panel_idx = idx;
let app_cmd_context = AppCmdContext {
panel_skin,
preview_panel: self.preview_panel,
stage_panel: self.stage_panel,
screen: self.screen,
con,
};
self.mut_panel().refresh_input_status(app_state, &app_cmd_context);
}
}
Internal::toggle_second_tree => {
let panels_count = self.panels.len().get();
let trees_count = self.panels.iter()
.filter(|p| p.state().get_type() == PanelStateType::Tree)
.count();
if trees_count < 2 {
// we open a tree, closing a (non tree) panel if necessary
if panels_count >= con.max_panels_count {
for i in (0..panels_count).rev() {
if self.panels[i].state().get_type() != PanelStateType::Tree {
self.close_panel(i);
break;
}
}
}
if let Some(selected_path) = self.state().selected_path() {
let dir = closest_dir(selected_path);
if let Ok(new_state) = BrowserState::new(
dir,
self.state().tree_options().without_pattern(),
self.screen,
con,
&Dam::unlimited(),
) {
if let Err(s) = self.new_panel(
Box::new(new_state),
PanelPurpose::None,
HDir::Right,
is_input_invocation,
con,
) {
error = Some(s);
}
}
}
} else {
// we close the rightest inactive tree
for i in (0..panels_count).rev() {
if self.panels[i].state().get_type() == PanelStateType::Tree {
if i == self.active_panel_idx {
continue;
}
self.close_panel(i);
break;
}
}
}
}
Internal::set_syntax_theme => {
let arg = cmd
.as_verb_invocation()
.and_then(|vi| vi.args.as_ref());
match arg {
Some(arg) => {
match SyntaxTheme::from_str(arg) {
Ok(theme) => {
con.syntax_theme = Some(theme);
self.update_preview(con, true);
}
Err(e) => {
error = Some(e.to_string());
}
}
}
None => {
error = Some("no theme provided".to_string());
}
}
}
_ => {
info!("unhandled propagated internal. cmd={:?}", &cmd);
}
}
}
Keep => {
if is_input_invocation {
self.mut_panel().clear_input_invocation(con);
}
}
Launch(launchable) => {
self.launch_at_end = Some(*launchable);
self.quitting = true;
}
NewPanel {
state,
purpose,
direction,
} => {
if let Err(s) = self.new_panel(state, purpose, direction, is_input_invocation, con) {
error = Some(s);
}
}
NewState { state, message } => {
self.mut_panel().clear_input();
self.mut_panel().push_state(state);
if let Some(md) = message {
self.mut_panel().set_message(md);
} else {
self.mut_panel().refresh_input_status(app_state, &app_cmd_context);
}
}
PopState => {
if is_input_invocation {
self.mut_panel().clear_input();
}
if self.remove_state() {
self.mut_state().refresh(app_cmd_context.screen, con);
self.mut_panel().refresh_input_status(app_state, &app_cmd_context);
} else if con.quit_on_last_cancel {
self.quitting = true;
}
}
PopStateAndReapply => {
if is_input_invocation {
self.mut_panel().clear_input();
}
if self.remove_state() {
let app_cmd_context = AppCmdContext {
panel_skin,
preview_panel: self.preview_panel,
stage_panel: self.stage_panel,
screen: self.screen,
con,
};
self.mut_panel().apply_command(w, &cmd, app_state, &app_cmd_context)?;
} else if con.quit_on_last_cancel {
self.quitting = true;
}
}
Quit => {
self.quitting = true;
}
RefreshState { clear_cache } => {
if is_input_invocation {
self.mut_panel().clear_input_invocation(con);
}
if clear_cache {
clear_caches();
}
app_state.stage.refresh();
for i in 0..self.panels.len().get() {
self.panels[i].mut_state().refresh(self.screen, con);
}
}
}
if let Some(text) = error {
self.mut_panel().set_error(text);
}
app_state.other_panel_path = self.get_other_panel_path();
if let Some(path) = self.state().tree_root() {
app_state.root = path.to_path_buf();
}
if let Some(shared_root) = &mut self.shared_root {
if let Ok(mut root) = shared_root.lock() {
*root = app_state.root.clone();
}
}
self.update_preview(con, false);
Ok(())
}
/// update the state of the preview, if there's some
fn update_preview(&mut self, con: &AppContext, refresh: bool) {
let preview_idx = self.preview_panel.and_then(|id| self.panel_id_to_idx(id));
if let Some(preview_idx) = preview_idx {
if let Some(path) = self.state().selected_path() {
let old_path = self.panels[preview_idx].state().selected_path();
if (refresh || Some(path) != old_path) && path.is_file() {
let path = path.to_path_buf();
self.panels[preview_idx].mut_state().set_selected_path(path, con);
}
}
}
}
/// get the index of the panel at x
fn clicked_panel_index(&self, x: u16, _y: u16) -> usize {
let len = self.panels.len().get();
(len * x as usize) / (self.screen.width as usize + 1)
}
/// handle CmdResult::NewPanel
fn new_panel(
&mut self,
state: Box<dyn PanelState>,
purpose: PanelPurpose,
direction: HDir,
is_input_invocation: bool, // if true we clean the input
con: &AppContext,
) -> Result<(), String> {
match state.get_type() {
PanelStateType::Preview if self.preview_panel.is_some() => {
return Err("There can be only one preview panel".to_owned());
// todo replace instead ?
}
PanelStateType::Stage if self.stage_panel.is_some() => {
return Err("There can be only one stage panel".to_owned());
// todo replace instead ?
}
_ => {}
}
if is_input_invocation {
self.mut_panel().clear_input_invocation(con);
}
let insertion_idx = if purpose.is_preview() {
self.panels.len().get()
} else if direction == HDir::Right {
self.active_panel_idx + 1
} else {
self.active_panel_idx
};
let with_preview = purpose.is_preview() || self.preview_panel.is_some();
let areas = Areas::create(
self.panels.as_mut_slice(),
insertion_idx,
self.screen,
with_preview,
);
let panel_id = self.created_panels_count.into();
match state.get_type() {
PanelStateType::Preview => {
self.preview_panel = Some(panel_id);
}
PanelStateType::Stage => {
self.stage_panel = Some(panel_id);
}
_ => {
self.active_panel_idx = insertion_idx;
}
}
let mut panel = Panel::new(panel_id, state, areas, con);
panel.purpose = purpose;
self.created_panels_count += 1;
self.panels.insert(insertion_idx, panel);
Ok(())
}sourcepub fn resize_all(panels: &mut [Panel], screen: Screen, with_preview: bool)
pub fn resize_all(panels: &mut [Panel], screen: Screen, with_preview: bool)
Examples found in repository?
src/app/app.rs (lines 169-173)
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fn close_panel(&mut self, panel_idx: usize) -> bool {
let active_panel_id = self.panels[self.active_panel_idx].id;
if let Some(preview_id) = self.preview_panel {
if self.panels.has_len(2) && self.panels[panel_idx].id != preview_id {
// we don't want to stay with just the preview
return false;
}
}
if let Some(stage_id) = self.stage_panel {
if self.panels.has_len(2) && self.panels[panel_idx].id != stage_id {
// we don't want to stay with just the stage
return false;
}
}
if let Ok(removed_panel) = self.panels.remove(panel_idx) {
if self.preview_panel == Some(removed_panel.id) {
self.preview_panel = None;
}
if self.stage_panel == Some(removed_panel.id) {
self.stage_panel = None;
}
Areas::resize_all(
self.panels.as_mut_slice(),
self.screen,
self.preview_panel.is_some(),
);
self.active_panel_idx = self
.panels
.iter()
.position(|p| p.id == active_panel_id)
.unwrap_or(self.panels.len().get() - 1);
true
} else {
false // there's no other panel to go to
}
}
/// remove the top state of the current panel
///
/// Close the panel too if that was its only state.
/// Close nothing and return false if there's not
/// at least two states in the app.
fn remove_state(&mut self) -> bool {
self.panels[self.active_panel_idx].remove_state()
|| self.close_panel(self.active_panel_idx)
}
/// redraw the whole screen. All drawing
/// are supposed to happen here, and only here.
fn display_panels(
&mut self,
w: &mut W,
skin: &AppSkin,
app_state: &AppState,
con: &AppContext,
) -> Result<(), ProgramError> {
self.drawing_count += 1;
for (idx, panel) in self.panels.as_mut_slice().iter_mut().enumerate() {
let active = idx == self.active_panel_idx;
let panel_skin = if active { &skin.focused } else { &skin.unfocused };
let disc = DisplayContext {
count: self.drawing_count,
active,
screen: self.screen,
panel_skin,
state_area: panel.areas.state.clone(),
app_state,
con,
};
time!(
"display panel",
panel.display(w, &disc)?,
);
}
kitty::manager().lock().unwrap().erase_images_before(w, self.drawing_count)?;
w.flush()?;
Ok(())
}
/// if there are exactly two non preview panels, return the selection
/// in the non focused panel
fn get_other_panel_path(&self) -> Option<PathBuf> {
let len = self.panels.len().get();
if len == 3 {
if let Some(preview_id) = self.preview_panel {
for (idx, panel) in self.panels.iter().enumerate() {
if self.active_panel_idx != idx && panel.id != preview_id {
return panel.state().selected_path()
.map(|p| p.to_path_buf());
}
}
}
None
} else if self.panels.len().get() == 2 && self.preview_panel.is_none() {
let non_focused_panel_idx = if self.active_panel_idx == 0 { 1 } else { 0 };
self.panels[non_focused_panel_idx].state().selected_path()
.map(|p| p.to_path_buf())
} else {
None
}
}
/// apply a command. Change the states but don't redraw on screen.
fn apply_command(
&mut self,
w: &mut W,
cmd: Command,
panel_skin: &PanelSkin,
app_state: &mut AppState,
con: &mut AppContext,
) -> Result<(), ProgramError> {
use CmdResult::*;
let mut error: Option<String> = None;
let is_input_invocation = cmd.is_verb_invocated_from_input();
let app_cmd_context = AppCmdContext {
panel_skin,
preview_panel: self.preview_panel,
stage_panel: self.stage_panel,
screen: self.screen, // it can't change in this function
con,
};
let cmd_result = self.mut_panel().apply_command(w, &cmd, app_state, &app_cmd_context)?;
debug!("cmd_result: {:?}", &cmd_result);
match cmd_result {
ApplyOnPanel { id } => {
if let Some(idx) = self.panel_id_to_idx(id) {
if let DisplayError(txt) = self.panels[idx].apply_command(
w, &cmd, app_state, &app_cmd_context
)? {
// we should probably handle other results
// which implies the possibility of a recursion
error = Some(txt);
} else if is_input_invocation {
self.mut_panel().clear_input();
}
} else {
warn!("no panel found for ApplyOnPanel");
}
}
ClosePanel { validate_purpose, panel_ref } => {
if is_input_invocation {
self.mut_panel().clear_input_invocation(con);
}
let close_idx = self.panel_ref_to_idx(panel_ref)
.unwrap_or_else(||
// when there's a preview panel, we close it rather than the app
if self.panels.len().get()==2 && self.preview_panel.is_some() {
1
} else {
self.active_panel_idx
}
);
let mut new_arg = None;
if validate_purpose {
let purpose = &self.panels[close_idx].purpose;
if let PanelPurpose::ArgEdition { .. } = purpose {
new_arg = self.panels[close_idx]
.state()
.selected_path()
.map(|p| p.to_string_lossy().to_string());
}
}
if self.close_panel(close_idx) {
let screen = self.screen;
self.mut_state().refresh(screen, con);
if let Some(new_arg) = new_arg {
self.mut_panel().set_input_arg(new_arg);
let new_input = self.panel().get_input_content();
let cmd = Command::from_raw(new_input, false);
let app_cmd_context = AppCmdContext {
panel_skin,
preview_panel: self.preview_panel,
stage_panel: self.stage_panel,
screen,
con,
};
self.mut_panel().apply_command(w, &cmd, app_state, &app_cmd_context)?;
}
} else {
self.quitting = true;
}
}
DisplayError(txt) => {
error = Some(txt);
}
ExecuteSequence { sequence } => {
self.tx_seqs.send(sequence).unwrap();
}
HandleInApp(internal) => {
debug!("handling internal {internal:?} at app level");
match internal {
Internal::panel_left_no_open | Internal::panel_right_no_open => {
let new_active_panel_idx = if internal == Internal::panel_left_no_open {
// we're here because the state wants us to either move to the panel
// to the left, or close the rightest one
if self.active_panel_idx == 0 {
self.close_panel(self.panels.len().get()-1);
None
} else {
Some(self.active_panel_idx - 1)
}
} else { // panel_right
// we either move to the right or close the leftest panel
if self.active_panel_idx + 1 == self.panels.len().get() {
self.close_panel(0);
None
} else {
Some(self.active_panel_idx + 1)
}
};
if let Some(idx) = new_active_panel_idx {
if is_input_invocation {
self.mut_panel().clear_input();
}
self.active_panel_idx = idx;
let app_cmd_context = AppCmdContext {
panel_skin,
preview_panel: self.preview_panel,
stage_panel: self.stage_panel,
screen: self.screen,
con,
};
self.mut_panel().refresh_input_status(app_state, &app_cmd_context);
}
}
Internal::toggle_second_tree => {
let panels_count = self.panels.len().get();
let trees_count = self.panels.iter()
.filter(|p| p.state().get_type() == PanelStateType::Tree)
.count();
if trees_count < 2 {
// we open a tree, closing a (non tree) panel if necessary
if panels_count >= con.max_panels_count {
for i in (0..panels_count).rev() {
if self.panels[i].state().get_type() != PanelStateType::Tree {
self.close_panel(i);
break;
}
}
}
if let Some(selected_path) = self.state().selected_path() {
let dir = closest_dir(selected_path);
if let Ok(new_state) = BrowserState::new(
dir,
self.state().tree_options().without_pattern(),
self.screen,
con,
&Dam::unlimited(),
) {
if let Err(s) = self.new_panel(
Box::new(new_state),
PanelPurpose::None,
HDir::Right,
is_input_invocation,
con,
) {
error = Some(s);
}
}
}
} else {
// we close the rightest inactive tree
for i in (0..panels_count).rev() {
if self.panels[i].state().get_type() == PanelStateType::Tree {
if i == self.active_panel_idx {
continue;
}
self.close_panel(i);
break;
}
}
}
}
Internal::set_syntax_theme => {
let arg = cmd
.as_verb_invocation()
.and_then(|vi| vi.args.as_ref());
match arg {
Some(arg) => {
match SyntaxTheme::from_str(arg) {
Ok(theme) => {
con.syntax_theme = Some(theme);
self.update_preview(con, true);
}
Err(e) => {
error = Some(e.to_string());
}
}
}
None => {
error = Some("no theme provided".to_string());
}
}
}
_ => {
info!("unhandled propagated internal. cmd={:?}", &cmd);
}
}
}
Keep => {
if is_input_invocation {
self.mut_panel().clear_input_invocation(con);
}
}
Launch(launchable) => {
self.launch_at_end = Some(*launchable);
self.quitting = true;
}
NewPanel {
state,
purpose,
direction,
} => {
if let Err(s) = self.new_panel(state, purpose, direction, is_input_invocation, con) {
error = Some(s);
}
}
NewState { state, message } => {
self.mut_panel().clear_input();
self.mut_panel().push_state(state);
if let Some(md) = message {
self.mut_panel().set_message(md);
} else {
self.mut_panel().refresh_input_status(app_state, &app_cmd_context);
}
}
PopState => {
if is_input_invocation {
self.mut_panel().clear_input();
}
if self.remove_state() {
self.mut_state().refresh(app_cmd_context.screen, con);
self.mut_panel().refresh_input_status(app_state, &app_cmd_context);
} else if con.quit_on_last_cancel {
self.quitting = true;
}
}
PopStateAndReapply => {
if is_input_invocation {
self.mut_panel().clear_input();
}
if self.remove_state() {
let app_cmd_context = AppCmdContext {
panel_skin,
preview_panel: self.preview_panel,
stage_panel: self.stage_panel,
screen: self.screen,
con,
};
self.mut_panel().apply_command(w, &cmd, app_state, &app_cmd_context)?;
} else if con.quit_on_last_cancel {
self.quitting = true;
}
}
Quit => {
self.quitting = true;
}
RefreshState { clear_cache } => {
if is_input_invocation {
self.mut_panel().clear_input_invocation(con);
}
if clear_cache {
clear_caches();
}
app_state.stage.refresh();
for i in 0..self.panels.len().get() {
self.panels[i].mut_state().refresh(self.screen, con);
}
}
}
if let Some(text) = error {
self.mut_panel().set_error(text);
}
app_state.other_panel_path = self.get_other_panel_path();
if let Some(path) = self.state().tree_root() {
app_state.root = path.to_path_buf();
}
if let Some(shared_root) = &mut self.shared_root {
if let Ok(mut root) = shared_root.lock() {
*root = app_state.root.clone();
}
}
self.update_preview(con, false);
Ok(())
}
/// update the state of the preview, if there's some
fn update_preview(&mut self, con: &AppContext, refresh: bool) {
let preview_idx = self.preview_panel.and_then(|id| self.panel_id_to_idx(id));
if let Some(preview_idx) = preview_idx {
if let Some(path) = self.state().selected_path() {
let old_path = self.panels[preview_idx].state().selected_path();
if (refresh || Some(path) != old_path) && path.is_file() {
let path = path.to_path_buf();
self.panels[preview_idx].mut_state().set_selected_path(path, con);
}
}
}
}
/// get the index of the panel at x
fn clicked_panel_index(&self, x: u16, _y: u16) -> usize {
let len = self.panels.len().get();
(len * x as usize) / (self.screen.width as usize + 1)
}
/// handle CmdResult::NewPanel
fn new_panel(
&mut self,
state: Box<dyn PanelState>,
purpose: PanelPurpose,
direction: HDir,
is_input_invocation: bool, // if true we clean the input
con: &AppContext,
) -> Result<(), String> {
match state.get_type() {
PanelStateType::Preview if self.preview_panel.is_some() => {
return Err("There can be only one preview panel".to_owned());
// todo replace instead ?
}
PanelStateType::Stage if self.stage_panel.is_some() => {
return Err("There can be only one stage panel".to_owned());
// todo replace instead ?
}
_ => {}
}
if is_input_invocation {
self.mut_panel().clear_input_invocation(con);
}
let insertion_idx = if purpose.is_preview() {
self.panels.len().get()
} else if direction == HDir::Right {
self.active_panel_idx + 1
} else {
self.active_panel_idx
};
let with_preview = purpose.is_preview() || self.preview_panel.is_some();
let areas = Areas::create(
self.panels.as_mut_slice(),
insertion_idx,
self.screen,
with_preview,
);
let panel_id = self.created_panels_count.into();
match state.get_type() {
PanelStateType::Preview => {
self.preview_panel = Some(panel_id);
}
PanelStateType::Stage => {
self.stage_panel = Some(panel_id);
}
_ => {
self.active_panel_idx = insertion_idx;
}
}
let mut panel = Panel::new(panel_id, state, areas, con);
panel.purpose = purpose;
self.created_panels_count += 1;
self.panels.insert(insertion_idx, panel);
Ok(())
}
/// do the pending tasks, if any, and refresh the screen accordingly
fn do_pending_tasks(
&mut self,
w: &mut W,
skin: &AppSkin,
dam: &mut Dam,
app_state: &mut AppState,
con: &AppContext,
) -> Result<(), ProgramError> {
while self.has_pending_task() && !dam.has_event() {
let error = self.do_pending_task(app_state, con, dam).err();
self.update_preview(con, false); // the selection may have changed
if let Some(error) = &error {
self.mut_panel().set_error(error.to_string());
//} else {
// // the refresh here removes the toggle status message. Not
// // sure there's a case it's useful
// let app_cmd_context = AppCmdContext {
// panel_skin: &skin.focused,
// preview_panel: self.preview_panel,
// stage_panel: self.stage_panel,
// screen: self.screen,
// con,
// };
// self.mut_panel().refresh_input_status(app_state, &app_cmd_context);
}
self.display_panels(w, skin, app_state, con)?;
if error.is_some() {
return Ok(()); // breaking pending tasks chain on first error/interruption
}
}
Ok(())
}
/// Do the next pending task
fn do_pending_task(
&mut self,
app_state: &mut AppState,
con: &AppContext,
dam: &mut Dam,
) -> Result<(), ProgramError> {
let screen = self.screen;
// we start with the focused panel
if self.panel().has_pending_task() {
return self.mut_panel().do_pending_task(app_state, screen, con, dam);
}
// then the other ones
for idx in 0..self.panels.len().get() {
if idx != self.active_panel_idx {
let panel = &mut self.panels[idx];
if panel.has_pending_task() {
return panel.do_pending_task(app_state, screen, con, dam);
}
}
}
warn!("unexpected lack of pending task");
Ok(())
}
fn has_pending_task(&mut self) -> bool {
self.panels.iter().any(|p| p.has_pending_task())
}
/// This is the main loop of the application
pub fn run(
mut self,
w: &mut W,
con: &mut AppContext,
conf: &Conf,
) -> Result<Option<Launchable>, ProgramError> {
#[cfg(feature = "clipboard")]
{
// different systems have different clipboard capabilities
// and it may be useful to know which one we have
debug!("Clipboard backend: {:?}", terminal_clipboard::get_type());
}
// we listen for events in a separate thread so that we can go on listening
// when a long search is running, and interrupt it if needed
let event_source = EventSource::new()?;
let rx_events = event_source.receiver();
let mut dam = Dam::from(rx_events);
let skin = AppSkin::new(conf, con.launch_args.color == TriBool::No);
let mut app_state = AppState {
stage: Stage::default(),
root: con.initial_root.clone(),
other_panel_path: None,
};
self.screen.clear_bottom_right_char(w, &skin.focused)?;
if let Some(raw_sequence) = &con.launch_args.cmd {
self.tx_seqs
.send(Sequence::new_local(raw_sequence.to_string()))
.unwrap();
}
#[cfg(unix)]
let _server = con.launch_args.listen.as_ref()
.map(|server_name| {
let shared_root = Arc::new(Mutex::new(app_state.root.clone()));
let server = crate::net::Server::new(
server_name,
self.tx_seqs.clone(),
Arc::clone(&shared_root),
);
self.shared_root = Some(shared_root);
server
})
.transpose()?;
loop {
if !self.quitting {
self.display_panels(w, &skin, &app_state, con)?;
time!(
Info,
"pending_tasks",
self.do_pending_tasks(w, &skin, &mut dam, &mut app_state, con)?,
);
}
#[allow(unused_mut)]
match dam.next(&self.rx_seqs) {
Either::First(Some(event)) => {
info!("event: {:?}", &event);
let mut handled = false;
// app level handling
if let Some((x, y)) = event.as_click() {
if self.clicked_panel_index(x, y) != self.active_panel_idx {
// panel activation click
self.active_panel_idx = self.clicked_panel_index(x, y);
handled = true;
}
} else if let Event::Resize(mut width, mut height) = event.event {
// I don't know why but Crossterm seems to always report an
// understimated size on Windows
#[cfg(windows)]
{
width += 1;
height += 1;
}
self.screen.set_terminal_size(width, height, con);
Areas::resize_all(
self.panels.as_mut_slice(),
self.screen,
self.preview_panel.is_some(),
);
for panel in &mut self.panels {
panel.mut_state().refresh(self.screen, con);
}
handled = true;
}
// event handled by the panel
if !handled {
let cmd = self.mut_panel().add_event(w, event, &app_state, con)?;
debug!("command after add_event: {:?}", &cmd);
self.apply_command(w, cmd, &skin.focused, &mut app_state, con)?;
}
event_source.unblock(self.quitting);
}
Either::First(None) => {
// this is how we quit the application,
// when the input thread is properly closed
break;
}
Either::Second(Some(raw_sequence)) => {
debug!("got command sequence: {:?}", &raw_sequence);
for (input, arg_cmd) in raw_sequence.parse(con)? {
self.mut_panel().set_input_content(&input);
self.apply_command(w, arg_cmd, &skin.focused, &mut app_state, con)?;
if self.quitting {
// is that a 100% safe way of quitting ?
return Ok(self.launch_at_end.take());
} else {
self.display_panels(w, &skin, &app_state, con)?;
time!(
"sequence pending tasks",
self.do_pending_tasks(w, &skin, &mut dam, &mut app_state, con)?,
);
}
}
}
Either::Second(None) => {
warn!("I didn't expect a None to occur here");
}
}
}
Ok(self.launch_at_end.take())
}sourcepub fn is_first(&self) -> bool
pub fn is_first(&self) -> bool
Examples found in repository?
src/filesystems/filesystems_state.rs (line 532)
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fn on_internal(
&mut self,
w: &mut W,
internal_exec: &InternalExecution,
input_invocation: Option<&VerbInvocation>,
trigger_type: TriggerType,
app_state: &mut AppState,
cc: &CmdContext,
) -> Result<CmdResult, ProgramError> {
let screen = cc.app.screen;
let con = &cc.app.con;
use Internal::*;
Ok(match internal_exec.internal {
Internal::back => {
if let Some(f) = self.filtered.take() {
if !f.mounts.is_empty() {
self.selection_idx = self.mounts.iter()
.position(|m| m.info.id == f.mounts[f.selection_idx].info.id)
.unwrap(); // all filtered mounts come from self.mounts
}
CmdResult::Keep
} else {
CmdResult::PopState
}
}
Internal::line_down => {
self.move_line(internal_exec, input_invocation, 1, true)
}
Internal::line_up => {
self.move_line(internal_exec, input_invocation, -1, true)
}
Internal::line_down_no_cycle => {
self.move_line(internal_exec, input_invocation, 1, false)
}
Internal::line_up_no_cycle => {
self.move_line(internal_exec, input_invocation, -1, false)
}
Internal::open_stay => {
let in_new_panel = input_invocation
.map(|inv| inv.bang)
.unwrap_or(internal_exec.bang);
let dam = Dam::unlimited();
let mut tree_options = self.tree_options();
tree_options.show_root_fs = true;
CmdResult::from_optional_state(
BrowserState::new(
self.no_opt_selected_path().to_path_buf(),
tree_options,
screen,
con,
&dam,
),
None,
in_new_panel,
)
}
Internal::panel_left => {
let areas = &cc.panel.areas;
if areas.is_first() && areas.nb_pos < con.max_panels_count {
// we ask for the creation of a panel to the left
internal_focus::new_panel_on_path(
self.no_opt_selected_path().to_path_buf(),
screen,
self.tree_options(),
PanelPurpose::None,
con,
HDir::Left,
)
} else {
// we ask the app to focus the panel to the left
CmdResult::HandleInApp(Internal::panel_left_no_open)
}
}
Internal::panel_left_no_open => CmdResult::HandleInApp(Internal::panel_left_no_open),
Internal::panel_right => {
let areas = &cc.panel.areas;
if areas.is_last() && areas.nb_pos < con.max_panels_count {
// we ask for the creation of a panel to the right
internal_focus::new_panel_on_path(
self.no_opt_selected_path().to_path_buf(),
screen,
self.tree_options(),
PanelPurpose::None,
con,
HDir::Right,
)
} else {
// we ask the app to focus the panel to the right
CmdResult::HandleInApp(Internal::panel_right_no_open)
}
}
Internal::panel_right_no_open => CmdResult::HandleInApp(Internal::panel_right_no_open),
Internal::page_down => {
if !self.try_scroll(ScrollCommand::Pages(1)) {
self.selection_idx = self.count() - 1;
}
CmdResult::Keep
}
Internal::page_up => {
if !self.try_scroll(ScrollCommand::Pages(-1)) {
self.selection_idx = 0;
}
CmdResult::Keep
}
open_leave => CmdResult::PopStateAndReapply,
_ => self.on_internal_generic(
w,
internal_exec,
input_invocation,
trigger_type,
app_state,
cc,
)?,
})
}More examples
src/browser/browser_state.rs (line 446)
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fn on_internal(
&mut self,
w: &mut W,
internal_exec: &InternalExecution,
input_invocation: Option<&VerbInvocation>,
trigger_type: TriggerType,
app_state: &mut AppState,
cc: &CmdContext,
) -> Result<CmdResult, ProgramError> {
let con = &cc.app.con;
let screen = cc.app.screen;
let page_height = BrowserState::page_height(cc.app.screen);
let bang = input_invocation
.map(|inv| inv.bang)
.unwrap_or(internal_exec.bang);
Ok(match internal_exec.internal {
Internal::back => {
if let Some(filtered_tree) = &self.filtered_tree {
let filtered_selection = &filtered_tree.selected_line().path;
if self.tree.try_select_path(filtered_selection) {
self.tree.make_selection_visible(page_height);
}
self.filtered_tree = None;
CmdResult::Keep
} else if self.tree.selection > 0 {
self.tree.selection = 0;
CmdResult::Keep
} else {
CmdResult::PopState
}
}
Internal::focus => internal_focus::on_internal(
internal_exec,
input_invocation,
trigger_type,
&self.displayed_tree().selected_line().path,
self.displayed_tree().options.clone(),
app_state,
cc,
),
Internal::select => internal_select::on_internal(
internal_exec,
input_invocation,
trigger_type,
self.displayed_tree_mut(),
app_state,
cc,
),
Internal::up_tree => match self.displayed_tree().root().parent() {
Some(path) => internal_focus::on_path(
path.to_path_buf(),
screen,
self.displayed_tree().options.clone(),
bang,
con,
),
None => CmdResult::error("no parent found"),
},
Internal::open_stay => self.open_selection_stay_in_broot(screen, con, bang, false)?,
Internal::open_stay_filter => self.open_selection_stay_in_broot(screen, con, bang, true)?,
Internal::line_down => {
let count = get_arg(input_invocation, internal_exec, 1);
self.displayed_tree_mut().move_selection(count, page_height, true);
CmdResult::Keep
}
Internal::line_up => {
let count = get_arg(input_invocation, internal_exec, 1);
self.displayed_tree_mut().move_selection(-count, page_height, true);
CmdResult::Keep
}
Internal::line_down_no_cycle => {
let count = get_arg(input_invocation, internal_exec, 1);
self.displayed_tree_mut().move_selection(count, page_height, false);
CmdResult::Keep
}
Internal::line_up_no_cycle => {
let count = get_arg(input_invocation, internal_exec, 1);
self.displayed_tree_mut().move_selection(-count, page_height, false);
CmdResult::Keep
}
Internal::previous_dir => {
self.displayed_tree_mut().try_select_previous_filtered(
|line| line.is_dir(),
page_height,
);
CmdResult::Keep
}
Internal::next_dir => {
self.displayed_tree_mut().try_select_next_filtered(
|line| line.is_dir(),
page_height,
);
CmdResult::Keep
}
Internal::previous_match => {
self.displayed_tree_mut().try_select_previous_filtered(
|line| line.direct_match,
page_height,
);
CmdResult::Keep
}
Internal::next_match => {
self.displayed_tree_mut().try_select_next_filtered(
|line| line.direct_match,
page_height,
);
CmdResult::Keep
}
Internal::previous_same_depth => {
self.displayed_tree_mut().try_select_previous_same_depth(page_height);
CmdResult::Keep
}
Internal::next_same_depth => {
self.displayed_tree_mut().try_select_next_same_depth(page_height);
CmdResult::Keep
}
Internal::page_down => {
let tree = self.displayed_tree_mut();
if !tree.try_scroll(page_height as i32, page_height) {
tree.try_select_last(page_height);
}
CmdResult::Keep
}
Internal::page_up => {
let tree = self.displayed_tree_mut();
if !tree.try_scroll(page_height as i32 * -1, page_height) {
tree.try_select_first();
}
CmdResult::Keep
}
Internal::panel_left => {
let areas = &cc.panel.areas;
if areas.is_first() && areas.nb_pos < con.max_panels_count {
// we ask for the creation of a panel to the left
internal_focus::new_panel_on_path(
self.displayed_tree().selected_line().path.to_path_buf(),
screen,
self.displayed_tree().options.clone(),
PanelPurpose::None,
con,
HDir::Left,
)
} else {
// we let the app handle other cases
CmdResult::HandleInApp(Internal::panel_left_no_open)
}
}
Internal::panel_left_no_open => CmdResult::HandleInApp(Internal::panel_left_no_open),
Internal::panel_right => {
let areas = &cc.panel.areas;
let selected_path = &self.displayed_tree().selected_line().path;
if areas.is_last() && areas.nb_pos < con.max_panels_count {
let purpose = if selected_path.is_file() && cc.app.preview_panel.is_none() {
PanelPurpose::Preview
} else {
PanelPurpose::None
};
// we ask for the creation of a panel to the right
internal_focus::new_panel_on_path(
selected_path.to_path_buf(),
screen,
self.displayed_tree().options.clone(),
purpose,
con,
HDir::Right,
)
} else {
// we ask the app to handle other cases :
// focus the panel to the right or close the leftest one
CmdResult::HandleInApp(Internal::panel_right_no_open)
}
}
Internal::panel_right_no_open => CmdResult::HandleInApp(Internal::panel_right_no_open),
Internal::parent => self.go_to_parent(screen, con, bang),
Internal::print_tree => {
print::print_tree(self.displayed_tree(), cc.app.screen, cc.app.panel_skin, con)?
}
Internal::root_up => {
let tree = self.displayed_tree();
let root = tree.root();
if let Some(new_root) = root.parent() {
self.modified(
screen,
new_root.to_path_buf(),
tree.options.clone(),
None,
bang,
con,
)
} else {
CmdResult::error(format!("{:?} has no parent", root))
}
}
Internal::root_down => {
let tree = self.displayed_tree();
if tree.selection > 0 {
let root_len = tree.root().components().count();
let new_root = tree.selected_line().path
.components()
.take(root_len + 1)
.collect();
self.modified(
screen,
new_root,
tree.options.clone(),
None,
bang,
con,
)
} else {
CmdResult::error("No selected line")
}
}
Internal::stage_all_files => {
let pattern = self.displayed_tree().options.pattern.clone();
self.pending_task = Some(BrowserTask::StageAll(pattern));
if cc.app.stage_panel.is_none() {
let stage_options = self.tree.options.without_pattern();
CmdResult::NewPanel {
state: Box::new(StageState::new(app_state, stage_options, con)),
purpose: PanelPurpose::None,
direction: HDir::Right,
}
} else {
CmdResult::Keep
}
}
Internal::select_first => {
self.displayed_tree_mut().try_select_first();
CmdResult::Keep
}
Internal::select_last => {
let page_height = BrowserState::page_height(screen);
self.displayed_tree_mut().try_select_last(page_height);
CmdResult::Keep
}
Internal::start_end_panel => {
if cc.panel.purpose.is_arg_edition() {
debug!("start_end understood as end");
CmdResult::ClosePanel {
validate_purpose: true,
panel_ref: PanelReference::Active,
}
} else {
debug!("start_end understood as start");
let tree_options = self.displayed_tree().options.clone();
if let Some(input_invocation) = input_invocation {
// we'll go for input arg editing
let path = if let Some(input_arg) = &input_invocation.args {
path::path_from(self.root(), PathAnchor::Unspecified, input_arg)
} else {
self.root().to_path_buf()
};
let arg_type = SelectionType::Any; // We might do better later
let purpose = PanelPurpose::ArgEdition { arg_type };
internal_focus::new_panel_on_path(
path, screen, tree_options, purpose, con, HDir::Right,
)
} else {
// we just open a new panel on the selected path,
// without purpose
internal_focus::new_panel_on_path(
self.displayed_tree().selected_line().path.to_path_buf(),
screen,
tree_options,
PanelPurpose::None,
con,
HDir::Right,
)
}
}
}
Internal::total_search => {
match self.filtered_tree.as_ref().map(|t| t.total_search) {
None => {
CmdResult::error("this verb can be used only after a search")
}
Some(true) => {
CmdResult::error("search was already total: all possible matches have been ranked")
}
Some(false) => {
self.search(self.displayed_tree().options.pattern.clone(), true);
CmdResult::Keep
}
}
}
Internal::quit => CmdResult::Quit,
_ => self.on_internal_generic(
w,
internal_exec,
input_invocation,
trigger_type,
app_state,
cc,
)?,
})
}sourcepub fn is_last(&self) -> bool
pub fn is_last(&self) -> bool
Examples found in repository?
src/filesystems/filesystems_state.rs (line 550)
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fn on_internal(
&mut self,
w: &mut W,
internal_exec: &InternalExecution,
input_invocation: Option<&VerbInvocation>,
trigger_type: TriggerType,
app_state: &mut AppState,
cc: &CmdContext,
) -> Result<CmdResult, ProgramError> {
let screen = cc.app.screen;
let con = &cc.app.con;
use Internal::*;
Ok(match internal_exec.internal {
Internal::back => {
if let Some(f) = self.filtered.take() {
if !f.mounts.is_empty() {
self.selection_idx = self.mounts.iter()
.position(|m| m.info.id == f.mounts[f.selection_idx].info.id)
.unwrap(); // all filtered mounts come from self.mounts
}
CmdResult::Keep
} else {
CmdResult::PopState
}
}
Internal::line_down => {
self.move_line(internal_exec, input_invocation, 1, true)
}
Internal::line_up => {
self.move_line(internal_exec, input_invocation, -1, true)
}
Internal::line_down_no_cycle => {
self.move_line(internal_exec, input_invocation, 1, false)
}
Internal::line_up_no_cycle => {
self.move_line(internal_exec, input_invocation, -1, false)
}
Internal::open_stay => {
let in_new_panel = input_invocation
.map(|inv| inv.bang)
.unwrap_or(internal_exec.bang);
let dam = Dam::unlimited();
let mut tree_options = self.tree_options();
tree_options.show_root_fs = true;
CmdResult::from_optional_state(
BrowserState::new(
self.no_opt_selected_path().to_path_buf(),
tree_options,
screen,
con,
&dam,
),
None,
in_new_panel,
)
}
Internal::panel_left => {
let areas = &cc.panel.areas;
if areas.is_first() && areas.nb_pos < con.max_panels_count {
// we ask for the creation of a panel to the left
internal_focus::new_panel_on_path(
self.no_opt_selected_path().to_path_buf(),
screen,
self.tree_options(),
PanelPurpose::None,
con,
HDir::Left,
)
} else {
// we ask the app to focus the panel to the left
CmdResult::HandleInApp(Internal::panel_left_no_open)
}
}
Internal::panel_left_no_open => CmdResult::HandleInApp(Internal::panel_left_no_open),
Internal::panel_right => {
let areas = &cc.panel.areas;
if areas.is_last() && areas.nb_pos < con.max_panels_count {
// we ask for the creation of a panel to the right
internal_focus::new_panel_on_path(
self.no_opt_selected_path().to_path_buf(),
screen,
self.tree_options(),
PanelPurpose::None,
con,
HDir::Right,
)
} else {
// we ask the app to focus the panel to the right
CmdResult::HandleInApp(Internal::panel_right_no_open)
}
}
Internal::panel_right_no_open => CmdResult::HandleInApp(Internal::panel_right_no_open),
Internal::page_down => {
if !self.try_scroll(ScrollCommand::Pages(1)) {
self.selection_idx = self.count() - 1;
}
CmdResult::Keep
}
Internal::page_up => {
if !self.try_scroll(ScrollCommand::Pages(-1)) {
self.selection_idx = 0;
}
CmdResult::Keep
}
open_leave => CmdResult::PopStateAndReapply,
_ => self.on_internal_generic(
w,
internal_exec,
input_invocation,
trigger_type,
app_state,
cc,
)?,
})
}More examples
src/browser/browser_state.rs (line 465)
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fn on_internal(
&mut self,
w: &mut W,
internal_exec: &InternalExecution,
input_invocation: Option<&VerbInvocation>,
trigger_type: TriggerType,
app_state: &mut AppState,
cc: &CmdContext,
) -> Result<CmdResult, ProgramError> {
let con = &cc.app.con;
let screen = cc.app.screen;
let page_height = BrowserState::page_height(cc.app.screen);
let bang = input_invocation
.map(|inv| inv.bang)
.unwrap_or(internal_exec.bang);
Ok(match internal_exec.internal {
Internal::back => {
if let Some(filtered_tree) = &self.filtered_tree {
let filtered_selection = &filtered_tree.selected_line().path;
if self.tree.try_select_path(filtered_selection) {
self.tree.make_selection_visible(page_height);
}
self.filtered_tree = None;
CmdResult::Keep
} else if self.tree.selection > 0 {
self.tree.selection = 0;
CmdResult::Keep
} else {
CmdResult::PopState
}
}
Internal::focus => internal_focus::on_internal(
internal_exec,
input_invocation,
trigger_type,
&self.displayed_tree().selected_line().path,
self.displayed_tree().options.clone(),
app_state,
cc,
),
Internal::select => internal_select::on_internal(
internal_exec,
input_invocation,
trigger_type,
self.displayed_tree_mut(),
app_state,
cc,
),
Internal::up_tree => match self.displayed_tree().root().parent() {
Some(path) => internal_focus::on_path(
path.to_path_buf(),
screen,
self.displayed_tree().options.clone(),
bang,
con,
),
None => CmdResult::error("no parent found"),
},
Internal::open_stay => self.open_selection_stay_in_broot(screen, con, bang, false)?,
Internal::open_stay_filter => self.open_selection_stay_in_broot(screen, con, bang, true)?,
Internal::line_down => {
let count = get_arg(input_invocation, internal_exec, 1);
self.displayed_tree_mut().move_selection(count, page_height, true);
CmdResult::Keep
}
Internal::line_up => {
let count = get_arg(input_invocation, internal_exec, 1);
self.displayed_tree_mut().move_selection(-count, page_height, true);
CmdResult::Keep
}
Internal::line_down_no_cycle => {
let count = get_arg(input_invocation, internal_exec, 1);
self.displayed_tree_mut().move_selection(count, page_height, false);
CmdResult::Keep
}
Internal::line_up_no_cycle => {
let count = get_arg(input_invocation, internal_exec, 1);
self.displayed_tree_mut().move_selection(-count, page_height, false);
CmdResult::Keep
}
Internal::previous_dir => {
self.displayed_tree_mut().try_select_previous_filtered(
|line| line.is_dir(),
page_height,
);
CmdResult::Keep
}
Internal::next_dir => {
self.displayed_tree_mut().try_select_next_filtered(
|line| line.is_dir(),
page_height,
);
CmdResult::Keep
}
Internal::previous_match => {
self.displayed_tree_mut().try_select_previous_filtered(
|line| line.direct_match,
page_height,
);
CmdResult::Keep
}
Internal::next_match => {
self.displayed_tree_mut().try_select_next_filtered(
|line| line.direct_match,
page_height,
);
CmdResult::Keep
}
Internal::previous_same_depth => {
self.displayed_tree_mut().try_select_previous_same_depth(page_height);
CmdResult::Keep
}
Internal::next_same_depth => {
self.displayed_tree_mut().try_select_next_same_depth(page_height);
CmdResult::Keep
}
Internal::page_down => {
let tree = self.displayed_tree_mut();
if !tree.try_scroll(page_height as i32, page_height) {
tree.try_select_last(page_height);
}
CmdResult::Keep
}
Internal::page_up => {
let tree = self.displayed_tree_mut();
if !tree.try_scroll(page_height as i32 * -1, page_height) {
tree.try_select_first();
}
CmdResult::Keep
}
Internal::panel_left => {
let areas = &cc.panel.areas;
if areas.is_first() && areas.nb_pos < con.max_panels_count {
// we ask for the creation of a panel to the left
internal_focus::new_panel_on_path(
self.displayed_tree().selected_line().path.to_path_buf(),
screen,
self.displayed_tree().options.clone(),
PanelPurpose::None,
con,
HDir::Left,
)
} else {
// we let the app handle other cases
CmdResult::HandleInApp(Internal::panel_left_no_open)
}
}
Internal::panel_left_no_open => CmdResult::HandleInApp(Internal::panel_left_no_open),
Internal::panel_right => {
let areas = &cc.panel.areas;
let selected_path = &self.displayed_tree().selected_line().path;
if areas.is_last() && areas.nb_pos < con.max_panels_count {
let purpose = if selected_path.is_file() && cc.app.preview_panel.is_none() {
PanelPurpose::Preview
} else {
PanelPurpose::None
};
// we ask for the creation of a panel to the right
internal_focus::new_panel_on_path(
selected_path.to_path_buf(),
screen,
self.displayed_tree().options.clone(),
purpose,
con,
HDir::Right,
)
} else {
// we ask the app to handle other cases :
// focus the panel to the right or close the leftest one
CmdResult::HandleInApp(Internal::panel_right_no_open)
}
}
Internal::panel_right_no_open => CmdResult::HandleInApp(Internal::panel_right_no_open),
Internal::parent => self.go_to_parent(screen, con, bang),
Internal::print_tree => {
print::print_tree(self.displayed_tree(), cc.app.screen, cc.app.panel_skin, con)?
}
Internal::root_up => {
let tree = self.displayed_tree();
let root = tree.root();
if let Some(new_root) = root.parent() {
self.modified(
screen,
new_root.to_path_buf(),
tree.options.clone(),
None,
bang,
con,
)
} else {
CmdResult::error(format!("{:?} has no parent", root))
}
}
Internal::root_down => {
let tree = self.displayed_tree();
if tree.selection > 0 {
let root_len = tree.root().components().count();
let new_root = tree.selected_line().path
.components()
.take(root_len + 1)
.collect();
self.modified(
screen,
new_root,
tree.options.clone(),
None,
bang,
con,
)
} else {
CmdResult::error("No selected line")
}
}
Internal::stage_all_files => {
let pattern = self.displayed_tree().options.pattern.clone();
self.pending_task = Some(BrowserTask::StageAll(pattern));
if cc.app.stage_panel.is_none() {
let stage_options = self.tree.options.without_pattern();
CmdResult::NewPanel {
state: Box::new(StageState::new(app_state, stage_options, con)),
purpose: PanelPurpose::None,
direction: HDir::Right,
}
} else {
CmdResult::Keep
}
}
Internal::select_first => {
self.displayed_tree_mut().try_select_first();
CmdResult::Keep
}
Internal::select_last => {
let page_height = BrowserState::page_height(screen);
self.displayed_tree_mut().try_select_last(page_height);
CmdResult::Keep
}
Internal::start_end_panel => {
if cc.panel.purpose.is_arg_edition() {
debug!("start_end understood as end");
CmdResult::ClosePanel {
validate_purpose: true,
panel_ref: PanelReference::Active,
}
} else {
debug!("start_end understood as start");
let tree_options = self.displayed_tree().options.clone();
if let Some(input_invocation) = input_invocation {
// we'll go for input arg editing
let path = if let Some(input_arg) = &input_invocation.args {
path::path_from(self.root(), PathAnchor::Unspecified, input_arg)
} else {
self.root().to_path_buf()
};
let arg_type = SelectionType::Any; // We might do better later
let purpose = PanelPurpose::ArgEdition { arg_type };
internal_focus::new_panel_on_path(
path, screen, tree_options, purpose, con, HDir::Right,
)
} else {
// we just open a new panel on the selected path,
// without purpose
internal_focus::new_panel_on_path(
self.displayed_tree().selected_line().path.to_path_buf(),
screen,
tree_options,
PanelPurpose::None,
con,
HDir::Right,
)
}
}
}
Internal::total_search => {
match self.filtered_tree.as_ref().map(|t| t.total_search) {
None => {
CmdResult::error("this verb can be used only after a search")
}
Some(true) => {
CmdResult::error("search was already total: all possible matches have been ranked")
}
Some(false) => {
self.search(self.displayed_tree().options.pattern.clone(), true);
CmdResult::Keep
}
}
}
Internal::quit => CmdResult::Quit,
_ => self.on_internal_generic(
w,
internal_exec,
input_invocation,
trigger_type,
app_state,
cc,
)?,
})
}