345 lines
13 KiB
Rust
345 lines
13 KiB
Rust
// SPDX-License-Identifier: GPL-3.0-only
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use cosmic::widget::menu::Item as MenuItem;
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use cosmic::widget::menu::key_bind::KeyBind;
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use cosmic::{
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Element,
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app::Core,
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iced::{Background, Length, advanced::widget::text::Style as TextStyle, widget::column},
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iced_core::Border,
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theme,
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widget::{
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self, divider,
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menu::{ItemHeight, ItemWidth, menu_button},
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responsive_menu_bar, segmented_button, space,
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},
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};
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use std::{collections::HashMap, path::PathBuf, sync::LazyLock};
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use crate::{Action, Config, ConfigState, Message, fl};
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static MENU_ID: LazyLock<cosmic::widget::Id> =
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LazyLock::new(|| cosmic::widget::Id::new("responsive-menu"));
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// Menu rows are fixed-height in libcosmic; wrapped labels get visually clipped.
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// Keep recent path labels short enough to stay on one line.
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const RECENT_MENU_LABEL_MAX_CHARS: usize = 40;
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fn char_count(value: &str) -> usize {
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value.chars().count()
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}
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fn take_prefix_chars(value: &str, count: usize) -> String {
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value.chars().take(count).collect()
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}
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fn take_suffix_chars(value: &str, count: usize) -> String {
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let total = char_count(value);
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if count >= total {
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value.to_string()
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} else {
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value.chars().skip(total - count).collect()
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}
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}
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fn truncate_middle(value: &str, max_chars: usize) -> String {
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const ELLIPSIS: &str = "...";
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if char_count(value) <= max_chars {
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return value.to_string();
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}
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if max_chars <= ELLIPSIS.len() + 2 {
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return take_prefix_chars(value, max_chars);
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}
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let prefix_len = (max_chars - ELLIPSIS.len()) / 2;
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let suffix_len = max_chars - ELLIPSIS.len() - prefix_len;
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format!(
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"{}{}{}",
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take_prefix_chars(value, prefix_len),
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ELLIPSIS,
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take_suffix_chars(value, suffix_len)
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)
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}
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fn format_recent_menu_path(path: &PathBuf, home_dir_opt: Option<&PathBuf>) -> String {
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const ELLIPSIS: &str = "...";
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let display = if let Some(home_dir) = home_dir_opt {
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if let Ok(part) = path.strip_prefix(home_dir) {
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format!("~/{}", part.display())
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} else {
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path.display().to_string()
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}
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} else {
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path.display().to_string()
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};
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if char_count(&display) <= RECENT_MENU_LABEL_MAX_CHARS {
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return display;
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}
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let file_name = path.file_name().and_then(|name| name.to_str());
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let parent_name = path
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.parent()
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.and_then(|parent| parent.file_name())
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.and_then(|name| name.to_str());
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let mut tails = Vec::new();
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if let Some(file_name) = file_name {
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tails.push(format!("/{}", file_name));
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if let Some(parent_name) = parent_name {
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tails.push(format!("/{}/{}", parent_name, file_name));
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}
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}
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for tail in tails.into_iter().rev() {
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let tail_len = char_count(&tail);
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if tail_len + ELLIPSIS.len() >= RECENT_MENU_LABEL_MAX_CHARS {
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continue;
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}
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let prefix_len = RECENT_MENU_LABEL_MAX_CHARS - ELLIPSIS.len() - tail_len;
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if prefix_len < 6 {
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continue;
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}
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return format!("{}{}{}", take_prefix_chars(&display, prefix_len), ELLIPSIS, tail);
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}
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truncate_middle(&display, RECENT_MENU_LABEL_MAX_CHARS)
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}
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pub fn context_menu<'a>(
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key_binds: &HashMap<KeyBind, Action>,
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entity: segmented_button::Entity,
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) -> Element<'a, Message> {
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fn key_style(theme: &cosmic::Theme) -> TextStyle {
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let mut color = theme.cosmic().background.component.on;
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color.alpha *= 0.75;
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TextStyle {
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color: Some(color.into()),
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}
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}
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let menu_item = |menu_label, menu_action| {
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let mut key = String::new();
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for (key_bind, key_action) in key_binds.iter() {
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if key_action == &menu_action {
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key = key_bind.to_string();
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break;
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}
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}
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menu_button(vec![
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widget::text(menu_label).into(),
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space::horizontal().into(),
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widget::text(key)
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.class(theme::Text::Custom(key_style))
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.into(),
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])
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.on_press(Message::TabContextAction(entity, menu_action))
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};
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widget::container(column!(
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menu_item(fl!("undo"), Action::Undo),
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menu_item(fl!("redo"), Action::Redo),
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divider::horizontal::light(),
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menu_item(fl!("cut"), Action::Cut),
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menu_item(fl!("copy"), Action::Copy),
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menu_item(fl!("paste"), Action::Paste),
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menu_item(fl!("select-all"), Action::SelectAll),
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))
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.padding(1)
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//TODO: move style to libcosmic
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.style(|theme| {
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let cosmic = theme.cosmic();
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let component = &cosmic.background.component;
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widget::container::Style {
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icon_color: Some(component.on.into()),
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text_color: Some(component.on.into()),
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background: Some(Background::Color(component.base.into())),
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border: Border {
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radius: cosmic.radius_s().map(|x| x + 1.0).into(),
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width: 1.0,
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color: component.divider.into(),
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},
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..Default::default()
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}
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})
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.width(Length::Fixed(240.0))
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.into()
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}
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pub fn menu_bar<'a>(
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core: &Core,
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config: &Config,
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config_state: &ConfigState,
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key_binds: &HashMap<KeyBind, Action>,
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projects: &Vec<(String, PathBuf)>,
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) -> Element<'a, Message> {
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//TODO: port to libcosmic
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let menu_tab_width = |tab_width: u16| {
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MenuItem::CheckBox(
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fl!("tab-width", tab_width = tab_width),
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None,
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config.tab_width == tab_width,
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Action::TabWidth(tab_width),
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)
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};
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let home_dir_opt = dirs::home_dir();
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let mut recent_files = Vec::with_capacity(config_state.recent_files.len());
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for (i, path) in config_state.recent_files.iter().enumerate() {
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recent_files.push(MenuItem::Button(
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format_recent_menu_path(path, home_dir_opt.as_ref()),
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None,
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Action::OpenRecentFile(i),
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));
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}
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let mut recent_projects = Vec::with_capacity(config_state.recent_projects.len());
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for (i, path) in config_state.recent_projects.iter().enumerate() {
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recent_projects.push(MenuItem::Button(
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format_recent_menu_path(path, home_dir_opt.as_ref()),
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None,
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Action::OpenRecentProject(i),
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));
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}
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let mut close_projects = Vec::with_capacity(projects.len());
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for (project_i, (name, _path)) in projects.iter().enumerate() {
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close_projects.push(MenuItem::Button(
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name.clone(),
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None,
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Action::CloseProject(project_i),
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));
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}
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responsive_menu_bar()
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.item_height(ItemHeight::Dynamic(40))
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.item_width(ItemWidth::Uniform(320))
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.spacing(4.0)
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.into_element(
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core,
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key_binds,
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MENU_ID.clone(),
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Message::Surface,
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vec![
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(
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(fl!("file")),
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vec![
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MenuItem::Button(fl!("new-file"), None, Action::NewFile),
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MenuItem::Button(fl!("new-window"), None, Action::NewWindow),
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MenuItem::Divider,
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MenuItem::Button(fl!("open-file"), None, Action::OpenFileDialog),
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MenuItem::Folder(fl!("open-recent-file"), recent_files),
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MenuItem::Button(fl!("close-file"), None, Action::CloseFile),
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MenuItem::Divider,
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MenuItem::Button(fl!("menu-open-project"), None, Action::OpenProjectDialog),
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MenuItem::Folder(fl!("open-recent-project"), recent_projects),
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MenuItem::Folder(fl!("close-project"), close_projects),
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MenuItem::Divider,
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MenuItem::Button(fl!("save"), None, Action::Save),
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MenuItem::Button(fl!("save-as"), None, Action::SaveAsDialog),
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MenuItem::Divider,
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MenuItem::Button(fl!("revert-all-changes"), None, Action::RevertAllChanges),
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MenuItem::Divider,
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MenuItem::Button(
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fl!("menu-document-statistics"),
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None,
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Action::ToggleDocumentStatistics,
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),
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//TODO MenuItem::Button(fl!("document-type"), Action::Todo),
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//TODO MenuItem::Button(fl!("encoding"), Action::Todo),
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MenuItem::Button(
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fl!("menu-git-management"),
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None,
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Action::ToggleGitManagement,
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),
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//TODO MenuItem::Button(fl!("print"), Action::Todo),
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MenuItem::Divider,
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MenuItem::Button(fl!("quit"), None, Action::Quit),
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],
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),
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(
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(fl!("edit")),
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vec![
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MenuItem::Button(fl!("undo"), None, Action::Undo),
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MenuItem::Button(fl!("redo"), None, Action::Redo),
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MenuItem::Divider,
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MenuItem::Button(fl!("cut"), None, Action::Cut),
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MenuItem::Button(fl!("copy"), None, Action::Copy),
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MenuItem::Button(fl!("paste"), None, Action::Paste),
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MenuItem::Button(fl!("select-all"), None, Action::SelectAll),
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MenuItem::Divider,
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MenuItem::Button(fl!("find"), None, Action::Find),
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MenuItem::Button(fl!("replace"), None, Action::FindAndReplace),
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MenuItem::Button(fl!("find-in-project"), None, Action::ToggleProjectSearch),
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/*TODO: implement spell-check
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MenuItem::Divider,
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MenuItem::Button(fl!("spell-check"), None, Action::Todo),
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*/
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],
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),
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(
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(fl!("view")),
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vec![
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MenuItem::Folder(
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fl!("indentation"),
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vec![
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MenuItem::CheckBox(
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fl!("automatic-indentation"),
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None,
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config.auto_indent,
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Action::ToggleAutoIndent,
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),
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MenuItem::Divider,
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menu_tab_width(1),
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menu_tab_width(2),
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menu_tab_width(3),
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menu_tab_width(4),
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menu_tab_width(5),
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menu_tab_width(6),
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menu_tab_width(7),
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menu_tab_width(8),
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//TODO MenuItem::Divider,
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//TODO MenuItem::Button(fl!("convert-indentation-to-spaces"), Action::Todo),
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//TODO MenuItem::Button(fl!("convert-indentation-to-tabs"), Action::Todo),
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],
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),
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MenuItem::Divider,
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MenuItem::Button(fl!("zoom-in"), None, Action::ZoomIn),
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MenuItem::Button(fl!("default-size"), None, Action::ZoomReset),
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MenuItem::Button(fl!("zoom-out"), None, Action::ZoomOut),
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MenuItem::Divider,
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MenuItem::CheckBox(
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fl!("word-wrap"),
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None,
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config.word_wrap,
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Action::ToggleWordWrap,
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),
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MenuItem::CheckBox(
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fl!("show-line-numbers"),
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None,
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config.line_numbers,
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Action::ToggleLineNumbers,
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),
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MenuItem::CheckBox(
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fl!("highlight-current-line"),
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None,
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config.highlight_current_line,
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Action::ToggleHighlightCurrentLine,
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),
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//TODO: MenuItem::CheckBox(fl!("syntax-highlighting"), Action::Todo),
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MenuItem::Divider,
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MenuItem::Button(fl!("menu-settings"), None, Action::ToggleSettingsPage),
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//TODO MenuItem::Divider,
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//TODO MenuItem::Button(fl!("menu-keyboard-shortcuts"), Action::Todo),
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MenuItem::Divider,
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MenuItem::Button(fl!("menu-about"), None, Action::About),
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],
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),
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],
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)
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}
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