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: usize
Implementations§
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)
474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588
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)
314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610
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,
)?,
})
}