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Code Issues Projects Releases Wiki Activity

browse: workaround ScrollView issues

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FliegendeWurst 2021-04-09 11:59:59 +02:00 committed by Arne Keller
parent 39a63ad966
commit 636e103303
1 changed files with 17 additions and 10 deletions
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27
src/bin/browse.rs
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@ -2,12 +2,12 @@
use std::{cell::RefCell, cmp, collections::{HashMap, HashSet}, env, fmt::Display, io, sync::Arc}; use std::{cell::RefCell, cmp, collections::{HashMap, HashSet}, env, fmt::Display, io, sync::Arc};
use cursive::{Cursive, CursiveExt, Vec2}; use cursive::{Cursive, Vec2};
use cursive::align::HAlign; use cursive::align::HAlign;
use cursive::event::{Event, Key}; use cursive::event::{Event, Key};
use cursive::traits::Identifiable; use cursive::traits::Identifiable;
use cursive::view::{Scrollable, ScrollStrategy, SizeConstraint, View}; use cursive::view::{Scrollable, SizeConstraint, View};
use cursive::views::{Checkbox, LinearLayout, OnEventView, Panel, ResizedView, SelectView, TextView}; use cursive::views::{Checkbox, LinearLayout, NamedView, OnEventView, Panel, ResizedView, ScrollView, SelectView, TextView};
use cursive_tree_view::{Placement, TreeEntry, TreeView}; use cursive_tree_view::{Placement, TreeEntry, TreeView};
use inboxid::*; use inboxid::*;
use io::Write; use io::Write;
@ -221,12 +221,10 @@ fn show_listing(mailbox: &str) -> Result<()> {
}); });
} }
}; };
tree.set_on_select(tree_on_select);
tree.set_on_submit(|siv, _row| { tree.set_on_submit(|siv, _row| {
siv.focus_name("mail").unwrap(); siv.focus_name("mail").unwrap();
}); });
let mut tree = tree.with_name("tree").scrollable(); let tree = tree.on_select(tree_on_select).with_name("tree").scrollable().with_name("tree_scroller");
tree.set_scroll_strategy(ScrollStrategy::StickToBottom);
let update_flags2 = Arc::clone(&update_flags); let update_flags2 = Arc::clone(&update_flags);
let update_flags3 = Arc::clone(&update_flags); let update_flags3 = Arc::clone(&update_flags);
let tree = OnEventView::new(tree) let tree = OnEventView::new(tree)
@ -330,7 +328,16 @@ fn show_listing(mailbox: &str) -> Result<()> {
siv.add_global_callback('q', |s| s.quit()); siv.add_global_callback('q', |s| s.quit());
siv.run(); // manual event loop (to scroll to end of ScrollView)
let mut siv = siv.into_runner(cursive::backends::termion::Backend::init()?);
siv.refresh();
siv.call_on_name("tree_scroller", |tree: &mut ScrollView<NamedView<MailTreeView>>| {
tree.on_event(Event::Key(Key::End))
}).unwrap().process(&mut siv);
siv.refresh();
while siv.is_running() {
siv.step();
}
Ok(()) Ok(())
} }
@ -377,7 +384,7 @@ impl MailInfoView {
const HEADERS_TO_DISPLAY: &[&str] = &["From", "Subject", "To"]; const HEADERS_TO_DISPLAY: &[&str] = &["From", "Subject", "To"];
impl View for MailInfoView { impl View for MailInfoView {
fn draw(&self, printer: &cursive::Printer) { fn draw(&self, printer: &cursive::Printer) {
if let Some(mail) = self.email { if let Some(mail) = self.email {
let mut y = 0; let mut y = 0;
for header in HEADERS_TO_DISPLAY { for header in HEADERS_TO_DISPLAY {
@ -386,11 +393,11 @@ impl View for MailInfoView {
x += header.len(/* ASCII-only */); x += header.len(/* ASCII-only */);
printer.print((x, y), ": "); printer.print((x, y), ": ");
x += 2; x += 2;
printer.print((x, y), &mail.headers.get_all_values(header).join(" ")); printer.print((x, y), &mail.headers.get_all_values(header).join(" "));
y += 1; y += 1;
} }
} }
} }
fn required_size(&mut self, _constraint: Vec2) -> Vec2 { fn required_size(&mut self, _constraint: Vec2) -> Vec2 {
(42, HEADERS_TO_DISPLAY.len()).into() (42, HEADERS_TO_DISPLAY.len()).into()