cosmic-edit/src/menu.rs

342 lines
13 KiB
Rust

// SPDX-License-Identifier: GPL-3.0-only
use cosmic::widget::menu::Item as MenuItem;
use cosmic::widget::menu::action::MenuAction;
use cosmic::widget::menu::key_bind::KeyBind;
use cosmic::{
Element,
app::Core,
widget::{
self,
menu::{ItemHeight, ItemWidth},
responsive_menu_bar, segmented_button,
},
};
use std::{collections::HashMap, path::PathBuf, sync::LazyLock};
use crate::{Action, Config, ConfigState, Message, fl};
static MENU_ID: LazyLock<cosmic::widget::Id> =
LazyLock::new(|| cosmic::widget::Id::new("responsive-menu"));
// Menu rows are fixed-height in libcosmic; wrapped labels get visually clipped.
// Keep recent path labels short enough to stay on one line.
const RECENT_MENU_LABEL_MAX_CHARS: usize = 40;
fn char_count(value: &str) -> usize {
value.chars().count()
}
fn take_prefix_chars(value: &str, count: usize) -> String {
value.chars().take(count).collect()
}
fn take_suffix_chars(value: &str, count: usize) -> String {
let total = char_count(value);
if count >= total {
value.to_string()
} else {
value.chars().skip(total - count).collect()
}
}
fn truncate_middle(value: &str, max_chars: usize) -> String {
const ELLIPSIS: &str = "...";
if char_count(value) <= max_chars {
return value.to_string();
}
if max_chars <= ELLIPSIS.len() + 2 {
return take_prefix_chars(value, max_chars);
}
let prefix_len = (max_chars - ELLIPSIS.len()) / 2;
let suffix_len = max_chars - ELLIPSIS.len() - prefix_len;
format!(
"{}{}{}",
take_prefix_chars(value, prefix_len),
ELLIPSIS,
take_suffix_chars(value, suffix_len)
)
}
fn format_recent_menu_path(path: &PathBuf, home_dir_opt: Option<&PathBuf>) -> String {
const ELLIPSIS: &str = "...";
let display = if let Some(home_dir) = home_dir_opt {
if let Ok(part) = path.strip_prefix(home_dir) {
format!("~/{}", part.display())
} else {
path.display().to_string()
}
} else {
path.display().to_string()
};
if char_count(&display) <= RECENT_MENU_LABEL_MAX_CHARS {
return display;
}
let file_name = path.file_name().and_then(|name| name.to_str());
let parent_name = path
.parent()
.and_then(|parent| parent.file_name())
.and_then(|name| name.to_str());
let mut tails = Vec::new();
if let Some(file_name) = file_name {
tails.push(format!("/{}", file_name));
if let Some(parent_name) = parent_name {
tails.push(format!("/{}/{}", parent_name, file_name));
}
}
for tail in tails.into_iter().rev() {
let tail_len = char_count(&tail);
if tail_len + ELLIPSIS.len() >= RECENT_MENU_LABEL_MAX_CHARS {
continue;
}
let prefix_len = RECENT_MENU_LABEL_MAX_CHARS - ELLIPSIS.len() - tail_len;
if prefix_len < 6 {
continue;
}
return format!(
"{}{}{}",
take_prefix_chars(&display, prefix_len),
ELLIPSIS,
tail
);
}
truncate_middle(&display, RECENT_MENU_LABEL_MAX_CHARS)
}
/// A context menu action dispatched to the tab the menu was opened on.
#[derive(Clone, Copy, Debug, Eq, PartialEq)]
pub struct TabAction(pub segmented_button::Entity, pub Action);
impl MenuAction for TabAction {
type Message = Message;
fn message(&self) -> Message {
Message::TabContextAction(self.0, self.1)
}
}
pub fn context_menu(
key_binds: &HashMap<KeyBind, Action>,
entity: segmented_button::Entity,
has_selection: bool,
) -> Vec<widget::menu::Tree<Message>> {
let item =
|label: String, action: Action| MenuItem::Button(label, None, TabAction(entity, action));
let optional = |label: String, action: Action, enabled: bool| {
if enabled {
MenuItem::Button(label, None, TabAction(entity, action))
} else {
MenuItem::ButtonDisabled(label, None, TabAction(entity, action))
}
};
let key_binds: HashMap<KeyBind, TabAction> = key_binds
.iter()
.map(|(key_bind, action)| (key_bind.clone(), TabAction(entity, *action)))
.collect();
widget::menu::items(
&key_binds,
vec![
item(fl!("undo"), Action::Undo),
item(fl!("redo"), Action::Redo),
MenuItem::Divider,
optional(fl!("cut"), Action::Cut, has_selection),
optional(fl!("copy"), Action::Copy, has_selection),
item(fl!("paste"), Action::Paste),
item(fl!("select-all"), Action::SelectAll),
],
)
}
pub fn menu_bar<'a>(
core: &Core,
config: &Config,
config_state: &ConfigState,
key_binds: &HashMap<KeyBind, Action>,
projects: &Vec<(String, PathBuf)>,
has_selection: bool,
) -> Element<'a, Message> {
//TODO: port to libcosmic
let menu_tab_width = |tab_width: u16| {
MenuItem::CheckBox(
fl!("tab-width", tab_width = tab_width),
None,
config.tab_width == tab_width,
Action::TabWidth(tab_width),
)
};
let home_dir_opt = dirs::home_dir();
let mut recent_files = Vec::with_capacity(config_state.recent_files.len());
for (i, path) in config_state.recent_files.iter().enumerate() {
recent_files.push(MenuItem::Button(
format_recent_menu_path(path, home_dir_opt.as_ref()),
None,
Action::OpenRecentFile(i),
));
}
let mut recent_projects = Vec::with_capacity(config_state.recent_projects.len());
for (i, path) in config_state.recent_projects.iter().enumerate() {
recent_projects.push(MenuItem::Button(
format_recent_menu_path(path, home_dir_opt.as_ref()),
None,
Action::OpenRecentProject(i),
));
}
let mut close_projects = Vec::with_capacity(projects.len());
for (project_i, (name, _path)) in projects.iter().enumerate() {
close_projects.push(MenuItem::Button(
name.clone(),
None,
Action::CloseProject(project_i),
));
}
responsive_menu_bar()
.item_height(ItemHeight::Dynamic(40))
.item_width(ItemWidth::Uniform(320))
.spacing(4.0)
.into_element(
core,
key_binds,
MENU_ID.clone(),
Message::Surface,
vec![
(
(fl!("file")),
vec![
MenuItem::Button(fl!("new-file"), None, Action::NewFile),
MenuItem::Button(fl!("new-window"), None, Action::NewWindow),
MenuItem::Divider,
MenuItem::Button(fl!("open-file"), None, Action::OpenFileDialog),
MenuItem::Folder(fl!("open-recent-file"), recent_files),
MenuItem::Button(fl!("close-file"), None, Action::CloseFile),
MenuItem::Divider,
MenuItem::Button(fl!("menu-open-project"), None, Action::OpenProjectDialog),
MenuItem::Folder(fl!("open-recent-project"), recent_projects),
MenuItem::Folder(fl!("close-project"), close_projects),
MenuItem::Divider,
MenuItem::Button(fl!("save"), None, Action::Save),
MenuItem::Button(fl!("save-as"), None, Action::SaveAsDialog),
MenuItem::Divider,
MenuItem::Button(fl!("revert-all-changes"), None, Action::RevertAllChanges),
MenuItem::Divider,
MenuItem::Button(
fl!("menu-document-statistics"),
None,
Action::ToggleDocumentStatistics,
),
//TODO MenuItem::Button(fl!("document-type"), Action::Todo),
//TODO MenuItem::Button(fl!("encoding"), Action::Todo),
MenuItem::Button(
fl!("menu-git-management"),
None,
Action::ToggleGitManagement,
),
//TODO MenuItem::Button(fl!("print"), Action::Todo),
MenuItem::Divider,
MenuItem::Button(fl!("quit"), None, Action::Quit),
],
),
(
(fl!("edit")),
vec![
MenuItem::Button(fl!("undo"), None, Action::Undo),
MenuItem::Button(fl!("redo"), None, Action::Redo),
MenuItem::Divider,
if has_selection {
MenuItem::Button(fl!("cut"), None, Action::Cut)
} else {
MenuItem::ButtonDisabled(fl!("cut"), None, Action::NoOp)
},
if has_selection {
MenuItem::Button(fl!("copy"), None, Action::Copy)
} else {
MenuItem::ButtonDisabled(fl!("copy"), None, Action::NoOp)
},
MenuItem::Button(fl!("paste"), None, Action::Paste),
MenuItem::Button(fl!("select-all"), None, Action::SelectAll),
MenuItem::Divider,
MenuItem::Button(fl!("find"), None, Action::Find),
MenuItem::Button(fl!("replace"), None, Action::FindAndReplace),
MenuItem::Button(fl!("find-in-project"), None, Action::ToggleProjectSearch),
/*TODO: implement spell-check
MenuItem::Divider,
MenuItem::Button(fl!("spell-check"), None, Action::Todo),
*/
],
),
(
(fl!("view")),
vec![
MenuItem::Folder(
fl!("indentation"),
vec![
MenuItem::CheckBox(
fl!("automatic-indentation"),
None,
config.auto_indent,
Action::ToggleAutoIndent,
),
MenuItem::Divider,
menu_tab_width(1),
menu_tab_width(2),
menu_tab_width(3),
menu_tab_width(4),
menu_tab_width(5),
menu_tab_width(6),
menu_tab_width(7),
menu_tab_width(8),
//TODO MenuItem::Divider,
//TODO MenuItem::Button(fl!("convert-indentation-to-spaces"), Action::Todo),
//TODO MenuItem::Button(fl!("convert-indentation-to-tabs"), Action::Todo),
],
),
MenuItem::Divider,
MenuItem::Button(fl!("zoom-in"), None, Action::ZoomIn),
MenuItem::Button(fl!("default-size"), None, Action::ZoomReset),
MenuItem::Button(fl!("zoom-out"), None, Action::ZoomOut),
MenuItem::Divider,
MenuItem::CheckBox(
fl!("word-wrap"),
None,
config.word_wrap,
Action::ToggleWordWrap,
),
MenuItem::CheckBox(
fl!("show-line-numbers"),
None,
config.line_numbers,
Action::ToggleLineNumbers,
),
MenuItem::CheckBox(
fl!("highlight-current-line"),
None,
config.highlight_current_line,
Action::ToggleHighlightCurrentLine,
),
//TODO: MenuItem::CheckBox(fl!("syntax-highlighting"), Action::Todo),
MenuItem::Divider,
MenuItem::Button(fl!("menu-settings"), None, Action::ToggleSettingsPage),
//TODO MenuItem::Divider,
//TODO MenuItem::Button(fl!("menu-keyboard-shortcuts"), Action::Todo),
MenuItem::Divider,
MenuItem::Button(fl!("menu-about"), None, Action::About),
],
),
],
)
}