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This commit is contained in:
Alexandre Bury 2016-06-27 22:10:59 -07:00
parent 042e631d9f
commit 80b219f34a
22 changed files with 196 additions and 91 deletions
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14
src/event.rs
View File

@ -135,7 +135,7 @@ impl Key {
pub fn from_ncurses(ch: i32) -> Self {
match ch {
// Values under 256 are chars and control values
//
// Tab is '\t'
9 => Key::Tab,
// Treat '\n' and the numpad Enter the same
@ -155,9 +155,8 @@ impl Key {
521 => Key::CtrlDel,
522 => Key::CtrlShiftDel,
// 523: CtrlAltDel?
//
// 524?
525 => Key::AltDown,
526 => Key::AltShiftDown,
527 => Key::CtrlDown,
@ -206,7 +205,6 @@ impl Key {
563 => Key::CtrlShiftRight,
564 => Key::CtrlAltRight,
// 565?
566 => Key::AltUp,
567 => Key::AltShiftUp,
568 => Key::CtrlUp,
@ -235,7 +233,9 @@ impl Key {
ncurses::KEY_SNEXT => Key::ShiftPageDown,
ncurses::KEY_SPREVIOUS => Key::ShiftPageUp,
// All Fn keys use the same enum with associated number
f @ ncurses::KEY_F1...ncurses::KEY_F12 => Key::F((f - ncurses::KEY_F0) as u8),
f @ ncurses::KEY_F1...ncurses::KEY_F12 => {
Key::F((f - ncurses::KEY_F0) as u8)
}
f @ 277...288 => Key::ShiftF((f - 277) as u8),
f @ 289...300 => Key::CtrlF((f - 289) as u8),
f @ 301...312 => Key::CtrlShiftF((f - 300) as u8),
@ -244,7 +244,9 @@ impl Key {
//
// TODO: shift and ctrl Fn keys
// Avoids 8-10 (H,I,J), they are used by other commands.
c @ 1...7 | c @ 11...25 => Key::CtrlChar(('a' as u8 + (c - 1) as u8) as char),
c @ 1...7 | c @ 11...25 => {
Key::CtrlChar(('a' as u8 + (c - 1) as u8) as char)
}
_ => Key::Unknown(ch),
}
}

4
src/menu.rs
View File

@ -14,7 +14,6 @@ pub enum MenuItem {
}
impl MenuTree {
pub fn new() -> Self {
Self::default()
}
@ -38,7 +37,8 @@ impl MenuTree {
pub fn leaf<F: 'static + Fn(&mut Cursive)>(&mut self, title: &str, cb: F)
-> &mut Self {
self.children.push(MenuItem::Leaf(title.to_string(), Rc::new(Box::new(cb))));
self.children
.push(MenuItem::Leaf(title.to_string(), Rc::new(Box::new(cb))));
self
}

8
src/orientation.rs
View File

@ -44,8 +44,12 @@ impl Orientation {
/// For a vertical view, returns (Max(x),Sum(y)).
pub fn stack<'a, T: Iterator<Item = &'a Vec2>>(&self, iter: T) -> Vec2 {
match *self {
Orientation::Horizontal => iter.fold(Vec2::zero(), |a, b| a.stack_horizontal(&b)),
Orientation::Vertical => iter.fold(Vec2::zero(), |a, b| a.stack_vertical(&b)),
Orientation::Horizontal => {
iter.fold(Vec2::zero(), |a, b| a.stack_horizontal(&b))
}
Orientation::Vertical => {
iter.fold(Vec2::zero(), |a, b| a.stack_vertical(&b))
}
}
}
}

27
src/printer.rs
View File

@ -5,7 +5,7 @@ use std::cmp::min;
use ncurses;
use theme::{ColorPair, Theme};
use vec::{Vec2, ToVec2};
use vec::{ToVec2, Vec2};
/// Convenient interface to draw on a subset of the screen.
pub struct Printer {
@ -30,6 +30,8 @@ impl Printer {
}
}
// TODO: use &mut self? We don't *need* it, but it may make sense.
// We don't want people to start calling prints in parallel?
/// Prints some text at the given position relative to the window.
pub fn print<S: ToVec2>(&self, pos: S, text: &str) {
let p = pos.to_vec2();
@ -39,6 +41,7 @@ impl Printer {
// Do we have enough room for the entire line?
let room = self.size.x - p.x;
// We want the number of CHARACTERS, not bytes.
// (Actually we want the "width" of the string, see unicode-width)
let text = match text.char_indices().nth(room) {
Some((i, _)) => &text[..i],
_ => text,
@ -46,7 +49,9 @@ impl Printer {
let p = p + self.offset;
if text.contains("%") {
ncurses::mvprintw(p.y as i32, p.x as i32, &text.replace("%", "%%"));
ncurses::mvprintw(p.y as i32,
p.x as i32,
&text.replace("%", "%%"));
} else {
ncurses::mvprintw(p.y as i32, p.x as i32, text);
}
@ -133,12 +138,24 @@ impl Printer {
self.print_hline(start_v + (1, 0), size_v.x - 1, "─");
self.print_vline(start_v + (0, 1), size_v.y - 1, "│");
self.print_hline(start_v + (1, 0) + size_v.keep_y(), size_v.x - 1, "─");
self.print_vline(start_v + (0, 1) + size_v.keep_x(), size_v.y - 1, "│");
self.print_hline(start_v + (1, 0) + size_v.keep_y(),
size_v.x - 1,
"─");
self.print_vline(start_v + (0, 1) + size_v.keep_x(),
size_v.y - 1,
"│");
}
pub fn print_hdelim<T: ToVec2>(&self, start: T, len: usize) {
let start = start.to_vec2();
self.print(start, "├");
self.print_hline(start + (1, 0), len - 2, "─");
self.print(start + (len - 1, 0), "┤");
}
/// Returns a printer on a subset of this one's area.
pub fn sub_printer<S: ToVec2>(&self, offset: S, size: S, focused: bool) -> Printer {
pub fn sub_printer<S: ToVec2>(&self, offset: S, size: S, focused: bool)
-> Printer {
let offset_v = offset.to_vec2();
Printer {
offset: self.offset + offset_v,

8
src/theme.rs
View File

@ -105,8 +105,12 @@ impl Theme {
Theme::apply_color(ColorPair::Background,
&self.colors.background,
&self.colors.background);
Theme::apply_color(ColorPair::Shadow, &self.colors.shadow, &self.colors.shadow);
Theme::apply_color(ColorPair::Primary, &self.colors.primary, &self.colors.view);
Theme::apply_color(ColorPair::Shadow,
&self.colors.shadow,
&self.colors.shadow);
Theme::apply_color(ColorPair::Primary,
&self.colors.primary,
&self.colors.view);
Theme::apply_color(ColorPair::Secondary,
&self.colors.secondary,
&self.colors.view);

4
src/utf8.rs
View File

@ -27,7 +27,9 @@ pub fn read_char<F>(first: u8, next: F) -> Result<char, String>
for _ in 1..n_bytes {
let byte = next();
if byte & 0xC0 != 0x80 {
return Err(format!("Found non-continuation byte after leading: {}", byte));
return Err(format!("Found non-continuation byte after leading: \
{}",
byte));
}
// We have 6 fresh new bits to read, make room.
res <<= 6;

4
src/vec.rs
View File

@ -1,7 +1,7 @@
//! Points on the 2D character grid.
use std::ops::{Add, Sub, Mul, Div};
use std::cmp::{min, max, Ordering};
use std::ops::{Add, Div, Mul, Sub};
use std::cmp::{Ordering, max, min};
/// Simple 2D size, in characters.
#[derive(Clone,Copy,PartialEq,Debug)]

4
src/view/box_view.rs
View File

@ -1,5 +1,5 @@
use vec::{Vec2, ToVec2};
use super::{View, ViewWrapper, SizeRequest, DimensionRequest};
use vec::{ToVec2, Vec2};
use super::{DimensionRequest, SizeRequest, View, ViewWrapper};
/// BoxView is a wrapper around an other view, with a given minimum size.
pub struct BoxView<T: View> {

6
src/view/button.rs
View File

@ -3,7 +3,7 @@ use std::rc::Rc;
use theme::ColorPair;
use Cursive;
use vec::Vec2;
use view::{View, SizeRequest};
use view::{SizeRequest, View};
use event::*;
use printer::Printer;
@ -50,7 +50,9 @@ impl View for Button {
fn on_event(&mut self, event: Event) -> EventResult {
match event {
// 10 is the ascii code for '\n', that is the return key
Event::KeyEvent(Key::Enter) => EventResult::Consumed(Some(self.callback.clone())),
Event::KeyEvent(Key::Enter) => {
EventResult::Consumed(Some(self.callback.clone()))
}
_ => EventResult::Ignored,
}
}

34
src/view/dialog.rs
View File

@ -5,9 +5,9 @@ use Cursive;
use align::*;
use event::*;
use theme::ColorPair;
use view::{View, SizeRequest, DimensionRequest, Selector};
use view::{DimensionRequest, Selector, SizeRequest, TextView, View};
use view::{Button, SizedView};
use vec::{Vec2, Vec4, ToVec4};
use vec::{ToVec4, Vec2, Vec4};
use printer::Printer;
#[derive(PartialEq)]
@ -52,6 +52,10 @@ impl Dialog {
}
}
pub fn info(text: &str) -> Self {
Self::new(TextView::new(text)).dismiss_button("Ok")
}
/// Adds a button to the dialog with the given label and callback.
///
/// Consumes and returns self for easy chaining.
@ -117,7 +121,9 @@ impl View for Dialog {
};
let overhead = self.padding + self.borders;
let mut offset = overhead.left +
self.align.h.get_offset(width, printer.size.x - overhead.horizontal());
self.align.h.get_offset(width,
printer.size.x -
overhead.horizontal());
let y = printer.size.y - self.padding.bottom - self.borders.bottom - 1;
for (i, button) in self.buttons.iter_mut().enumerate() {
@ -133,10 +139,12 @@ impl View for Dialog {
}
// What do we have left?
let inner_size = printer.size - Vec2::new(0, height) - self.borders.combined() -
let inner_size = printer.size - Vec2::new(0, height) -
self.borders.combined() -
self.padding.combined();
self.content.draw(&printer.sub_printer(self.borders.top_left() + self.padding.top_left(),
self.content.draw(&printer.sub_printer(self.borders.top_left() +
self.padding.top_left(),
inner_size,
self.focus == Focus::Content));
@ -148,14 +156,16 @@ impl View for Dialog {
printer.print((x - 2, 0), "┤ ");
printer.print((x + len, 0), " ├");
printer.with_color(ColorPair::TitlePrimary, |p| p.print((x, 0), &self.title));
printer.with_color(ColorPair::TitlePrimary,
|p| p.print((x, 0), &self.title));
}
}
fn get_min_size(&self, req: SizeRequest) -> Vec2 {
// Padding and borders are not available for kids.
let content_req = req.reduced(self.padding.combined() + self.borders.combined());
let content_req = req.reduced(self.padding.combined() +
self.borders.combined());
let content_size = self.content.get_min_size(content_req);
let mut buttons_size = Vec2::new(0, 0);
@ -215,7 +225,8 @@ impl View for Dialog {
self.focus = Focus::Button(0);
EventResult::Consumed(None)
}
Event::KeyEvent(Key::Tab) | Event::KeyEvent(Key::ShiftTab) => {
Event::KeyEvent(Key::Tab) |
Event::KeyEvent(Key::ShiftTab) => {
self.focus = Focus::Button(0);
EventResult::Consumed(None)
}
@ -239,7 +250,8 @@ impl View for Dialog {
EventResult::Ignored
}
}
Event::KeyEvent(Key::Tab) | Event::KeyEvent(Key::ShiftTab) => {
Event::KeyEvent(Key::Tab) |
Event::KeyEvent(Key::ShiftTab) => {
if self.content.take_focus() {
self.focus = Focus::Content;
EventResult::Consumed(None)
@ -248,7 +260,9 @@ impl View for Dialog {
}
}
// Left and Right move to other buttons
Event::KeyEvent(Key::Right) if i + 1 < self.buttons.len() => {
Event::KeyEvent(Key::Right) if i + 1 <
self.buttons
.len() => {
self.focus = Focus::Button(i + 1);
EventResult::Consumed(None)
}

10
src/view/edit_view.rs
View File

@ -5,7 +5,7 @@ use std::cmp::min;
use theme::ColorPair;
use vec::Vec2;
use view::{View, IdView, SizeRequest};
use view::{IdView, SizeRequest, View};
use event::*;
use printer::Printer;
@ -86,7 +86,8 @@ impl View for EditView {
printer.print((0, 0), &self.content);
printer.print_hline((len, 0), printer.size.x - len, "_");
} else {
let visible_end = min(self.content.len(), self.offset + self.last_length);
let visible_end = min(self.content.len(),
self.offset + self.last_length);
let content = &self.content[self.offset..visible_end];
printer.print((0, 0), content);
@ -144,7 +145,10 @@ impl View for EditView {
Key::Home => self.cursor = 0,
Key::End => self.cursor = self.content.chars().count(),
Key::Left if self.cursor > 0 => self.cursor -= 1,
Key::Right if self.cursor < self.content.chars().count() => self.cursor += 1,
Key::Right if self.cursor <
self.content.chars().count() => {
self.cursor += 1
}
Key::Backspace if self.cursor > 0 => {
self.cursor -= 1;
remove_char(&mut self.content, self.cursor);

2
src/view/full_view.rs
View File

@ -1,4 +1,4 @@
use view::{View, ViewWrapper, SizeRequest, DimensionRequest};
use view::{DimensionRequest, SizeRequest, View, ViewWrapper};
use vec::Vec2;
/// Simple wrapper view that asks for all the space it can get.

2
src/view/id_view.rs
View File

@ -1,6 +1,6 @@
use std::any::Any;
use view::{View, ViewWrapper, Selector};
use view::{Selector, View, ViewWrapper};
/// Wrapper view that allows to select its content with a fixed string id.
pub struct IdView<T: View> {

2
src/view/key_event_view.rs
View File

@ -2,7 +2,7 @@ use std::collections::HashMap;
use std::rc::Rc;
use Cursive;
use event::{Event, EventResult, ToEvent, Callback};
use event::{Callback, Event, EventResult, ToEvent};
use super::{View, ViewWrapper};
/// A simple wrapper view that catches some ignored event from its child.

47
src/view/linear_layout.rs
View File

@ -1,4 +1,4 @@
use view::{View, SizeRequest, DimensionRequest};
use view::{DimensionRequest, SizeRequest, View};
use vec::Vec2;
use printer::Printer;
use orientation::Orientation;
@ -113,9 +113,12 @@ impl View for LinearLayout {
// Use pre-computed sizes
let mut offset = Vec2::zero();
for (i, child) in self.children.iter_mut().enumerate() {
child.view.draw(&printer.sub_printer(offset, child.size, i == self.focus));
child.view.draw(&printer.sub_printer(offset,
child.size,
i == self.focus));
*self.orientation.get_ref(&mut offset) += self.orientation.get(&child.size);
*self.orientation.get_ref(&mut offset) += self.orientation
.get(&child.size);
}
}
@ -127,7 +130,9 @@ impl View for LinearLayout {
};
let min_sizes: Vec<Vec2> = self.children
.iter()
.map(|child| child.view.get_min_size(req))
.map(|child| {
child.view.get_min_size(req)
})
.collect();
let min_size = self.orientation.stack(min_sizes.iter());
@ -148,12 +153,14 @@ impl View for LinearLayout {
};
for (child, (child_size, extra)) in self.children
.iter_mut()
.zip(min_sizes.iter().zip(extras.iter())) {
for (child, (child_size, extra)) in
self.children
.iter_mut()
.zip(min_sizes.iter().zip(extras.iter())) {
let mut child_size = *child_size;
*self.orientation.get_ref(&mut child_size) += *extra;
*self.orientation.swap().get_ref(&mut child_size) = self.orientation.swap().get(&size);
*self.orientation.swap().get_ref(&mut child_size) =
self.orientation.swap().get(&size);
child.size = child_size;
child.view.layout(child_size);
}
@ -171,9 +178,10 @@ impl View for LinearLayout {
// Did it work? Champagne!
// Ok, so maybe it didn't.
// TODO: Ok, so maybe it didn't.
// Last chance: did someone lie about his needs?
// Could we squash him a little?
// (Maybe he'll just scroll and it'll be fine?)
// Find out who's fluid, if any.
}
@ -186,27 +194,34 @@ impl View for LinearLayout {
self.focus -= 1;
EventResult::Consumed(None)
}
Event::KeyEvent(Key::ShiftTab) if self.focus + 1 < self.children.len() => {
Event::KeyEvent(Key::ShiftTab) if self.focus + 1 <
self.children.len() => {
self.focus += 1;
EventResult::Consumed(None)
}
Event::KeyEvent(Key::Left) if self.orientation == Orientation::Horizontal &&
Event::KeyEvent(Key::Left) if self.orientation ==
Orientation::Horizontal &&
self.focus > 0 => {
self.focus -= 1;
EventResult::Consumed(None)
}
Event::KeyEvent(Key::Up) if self.orientation == Orientation::Vertical &&
Event::KeyEvent(Key::Up) if self.orientation ==
Orientation::Vertical &&
self.focus > 0 => {
self.focus -= 1;
EventResult::Consumed(None)
}
Event::KeyEvent(Key::Right) if self.orientation == Orientation::Horizontal &&
self.focus + 1 < self.children.len() => {
Event::KeyEvent(Key::Right) if self.orientation ==
Orientation::Horizontal &&
self.focus + 1 <
self.children.len() => {
self.focus += 1;
EventResult::Consumed(None)
}
Event::KeyEvent(Key::Down) if self.orientation == Orientation::Vertical &&
self.focus + 1 < self.children.len() => {
Event::KeyEvent(Key::Down) if self.orientation ==
Orientation::Vertical &&
self.focus + 1 <
self.children.len() => {
self.focus += 1;
EventResult::Consumed(None)
}

4
src/view/request.rs
View File

@ -16,7 +16,9 @@ impl DimensionRequest {
pub fn reduced(self, offset: usize) -> Self {
match self {
DimensionRequest::Fixed(w) => DimensionRequest::Fixed(w - offset),
DimensionRequest::AtMost(w) => DimensionRequest::AtMost(w - offset),
DimensionRequest::AtMost(w) => {
DimensionRequest::AtMost(w - offset)
}
DimensionRequest::Unknown => DimensionRequest::Unknown,
}
}

22
src/view/scroll.rs
View File

@ -1,4 +1,4 @@
use std::cmp::{min, max};
use std::cmp::{max, min};
use theme::ColorPair;
use vec::Vec2;
@ -26,7 +26,8 @@ impl ScrollBase {
self.content_height = content_height;
if self.scrollable() {
self.start_line = min(self.start_line, self.content_height - self.view_height);
self.start_line = min(self.start_line,
self.content_height - self.view_height);
} else {
self.start_line = 0;
}
@ -68,7 +69,8 @@ impl ScrollBase {
/// Scroll down by the given number of line, never going further than the bottom of the view.
pub fn scroll_down(&mut self, n: usize) {
self.start_line = min(self.start_line + n, self.content_height - self.view_height);
self.start_line = min(self.start_line + n,
self.content_height - self.view_height);
}
/// Scroll up by the given number of lines, never going above the top of the view.
@ -101,7 +103,8 @@ impl ScrollBase {
where F: Fn(&Printer, usize)
{
// Print the content in a sub_printer
let max_y = min(self.view_height, self.content_height - self.start_line);
let max_y = min(self.view_height,
self.content_height - self.start_line);
let w = if self.scrollable() {
printer.size.x - 2
} else {
@ -110,7 +113,9 @@ impl ScrollBase {
for y in 0..max_y {
// Y is the actual coordinate of the line.
// The item ID is then Y + self.start_line
line_drawer(&printer.sub_printer(Vec2::new(0, y), Vec2::new(w, 1), true),
line_drawer(&printer.sub_printer(Vec2::new(0, y),
Vec2::new(w, 1),
true),
y + self.start_line);
}
@ -120,12 +125,15 @@ impl ScrollBase {
// We directly compute the size of the scrollbar (this allow use to avoid using floats).
// (ratio) * max_height
// Where ratio is ({start or end} / content.height)
let height = max(1, self.view_height * self.view_height / self.content_height);
let height = max(1,
self.view_height * self.view_height /
self.content_height);
// Number of different possible positions
let steps = self.view_height - height + 1;
// Now
let start = steps * self.start_line / (1 + self.content_height - self.view_height);
let start = steps * self.start_line /
(1 + self.content_height - self.view_height);
let color = if printer.focused {
ColorPair::Highlight

48
src/view/select_view.rs
View File

@ -4,7 +4,7 @@ use std::rc::Rc;
use theme::ColorPair;
use Cursive;
use align::*;
use view::{View, IdView, SizeRequest, DimensionRequest};
use view::{DimensionRequest, IdView, SizeRequest, View};
use event::{Event, EventResult, Key};
use vec::Vec2;
use printer::Printer;
@ -53,7 +53,9 @@ impl<T: 'static> SelectView<T> {
self.select_cb = Some(Rc::new(Box::new(cb)));
}
/// Sets a function to be called when an item is selected (when ENTER is pressed).
/// Sets a function to be called when an item is selected.
///
/// (When ENTER is pressed).
pub fn on_select<F>(mut self, cb: F) -> Self
where F: Fn(&mut Cursive, &T) + 'static
{
@ -84,7 +86,9 @@ impl<T: 'static> SelectView<T> {
self
}
/// Returns the value of the currently selected item. Panics if the list is empty.
/// Returns the value of the currently selected item.
///
/// Panics if the list is empty.
pub fn selection(&self) -> Rc<T> {
self.items[self.focus].value.clone()
}
@ -108,7 +112,7 @@ impl<T: 'static> SelectView<T> {
}
impl SelectView<String> {
/// For String-based SelectView, this is a convenient method to use the label as value.
/// Convenient method to use the label as value.
pub fn add_item_str(&mut self, label: &str) {
self.add_item(label, label.to_string());
}
@ -124,7 +128,9 @@ impl<T: 'static> View for SelectView<T> {
let h = self.items.len();
let offset = self.align.v.get_offset(h, printer.size.y);
let printer = &printer.sub_printer(Vec2::new(0, offset), printer.size, true);
let printer = &printer.sub_printer(Vec2::new(0, offset),
printer.size,
true);
self.scrollbase.draw(printer, |printer, i| {
let style = if i == self.focus {
@ -147,7 +153,11 @@ impl<T: 'static> View for SelectView<T> {
}
fn get_min_size(&self, req: SizeRequest) -> Vec2 {
let w = self.items.iter().map(|item| item.label.len()).max().unwrap_or(1);
let w = self.items
.iter()
.map(|item| item.label.len())
.max()
.unwrap_or(1);
let h = self.items.len();
let scrolling = if let DimensionRequest::Fixed(r_h) = req.h {
@ -171,7 +181,8 @@ impl<T: 'static> View for SelectView<T> {
fn on_event(&mut self, event: Event) -> EventResult {
match event {
Event::KeyEvent(Key::Up) if self.focus > 0 => self.focus -= 1,
Event::KeyEvent(Key::Down) if self.focus + 1 < self.items.len() => self.focus += 1,
Event::KeyEvent(Key::Down) if self.focus + 1 <
self.items.len() => self.focus += 1,
Event::KeyEvent(Key::PageUp) => self.focus -= min(self.focus, 10),
Event::KeyEvent(Key::PageDown) => {
self.focus = min(self.focus + 10, self.items.len() - 1)
@ -179,21 +190,26 @@ impl<T: 'static> View for SelectView<T> {
Event::KeyEvent(Key::Home) => self.focus = 0,
Event::KeyEvent(Key::End) => self.focus = self.items.len() - 1,
Event::KeyEvent(Key::Enter) if self.select_cb.is_some() => {
if let Some(ref cb) = self.select_cb {
let cb = cb.clone();
let v = self.selection();
return EventResult::Consumed(Some(Rc::new(Box::new(move |s| cb(s, &*v)))));
}
let cb = self.select_cb.as_ref().unwrap().clone();
let v = self.selection();
// We return a Rc<Box<Callback>>
// With callback being |s| cb(s, &*v)
return EventResult::Consumed(Some(Rc::new(Box::new(move |s| cb(s, &*v)))));
}
Event::CharEvent(c) => {
// Starting from the current focus, find the first item that match the char.
// Cycle back to the beginning of the list when we reach the end.
// Starting from the current focus,
// find the first item that match the char.
// Cycle back to the beginning of
// the list when we reach the end.
// This is achieved by chaining twice the iterator
let iter = self.items.iter().chain(self.items.iter());
if let Some((i, _)) = iter.enumerate()
.skip(self.focus + 1)
.find(|&(_, item)| item.label.starts_with(c)) {
// Apply modulo in case we have a hit from the chained iterator
.find(|&(_, item)| {
item.label.starts_with(c)
}) {
// Apply modulo in case we have a hit
// from the chained iterator
self.focus = i % self.items.len();
}
}

6
src/view/shadow_view.rs
View File

@ -1,4 +1,4 @@
use view::{View, ViewWrapper, SizeRequest};
use view::{SizeRequest, View, ViewWrapper};
use printer::Printer;
use vec::Vec2;
use theme::ColorPair;
@ -37,7 +37,9 @@ impl<T: View> ViewWrapper for ShadowView<T> {
}
});
self.view.draw(&printer.sub_printer(Vec2::new(1, 1), printer.size - (2, 2), true));
self.view.draw(&printer.sub_printer(Vec2::new(1, 1),
printer.size - (2, 2),
true));
let h = printer.size.y - 1;
let w = printer.size.x - 1;

3
src/view/stack_view.rs
View File

@ -1,7 +1,7 @@
use std::any::Any;
use vec::Vec2;
use view::{View, SizeRequest, DimensionRequest, Selector, ShadowView};
use view::{DimensionRequest, Selector, ShadowView, SizeRequest, View};
use event::{Event, EventResult};
use printer::Printer;
@ -66,6 +66,7 @@ impl View for StackView {
for layer in self.layers.iter_mut() {
layer.size = Vec2::min(size, layer.view.get_min_size(req));
layer.view.layout(layer.size);
// We do it here instead of when adding a new layer because...?
if layer.virgin {
layer.view.take_focus();
layer.virgin = false;

26
src/view/text_view.rs
View File

@ -1,7 +1,7 @@
use std::cmp::max;
use vec::Vec2;
use view::{View, DimensionRequest, SizeRequest};
use view::{DimensionRequest, SizeRequest, View};
use div::*;
use printer::Printer;
use align::*;
@ -15,6 +15,7 @@ pub struct TextView {
align: Align,
// ScrollBase make many scrolling-related things easier
scrollbase: ScrollBase,
}
@ -104,7 +105,8 @@ impl TextView {
.fold(0, |sum, x| sum + x)
}
// Given the specified height, how many columns do we need to properly display?
// Given the specified height,
// how many columns do we need to properly display?
fn get_num_cols(&self, max_height: usize) -> usize {
let len = self.content.chars().count();
(div_up_usize(len, max_height)..len)
@ -180,7 +182,8 @@ impl<'a> Iterator for LinesIterator<'a> {
}
let i = if content_len == self.width + 1 {
// We can't look at the index if we're looking at the end of the string
// We can't look at the index
// if we're looking at the end of the string
content.len()
} else {
content.char_indices().nth(self.width + 1).unwrap().0
@ -210,7 +213,9 @@ impl View for TextView {
let h = self.rows.len();
let offset = self.align.v.get_offset(h, printer.size.y);
let printer = &printer.sub_printer(Vec2::new(0, offset), printer.size, true);
let printer = &printer.sub_printer(Vec2::new(0, offset),
printer.size,
true);
self.scrollbase.draw(printer, |printer, i| {
let row = &self.rows[i];
@ -232,7 +237,8 @@ impl View for TextView {
Event::KeyEvent(Key::Up) if self.scrollbase.can_scroll_up() => {
self.scrollbase.scroll_up(1)
}
Event::KeyEvent(Key::Down) if self.scrollbase.can_scroll_down() => {
Event::KeyEvent(Key::Down) if self.scrollbase
.can_scroll_down() => {
self.scrollbase.scroll_down(1)
}
Event::KeyEvent(Key::PageDown) => self.scrollbase.scroll_down(10),
@ -247,8 +253,11 @@ impl View for TextView {
match (size.w, size.h) {
// If we have no directive, ask for a single big line.
// TODO: what if the text has newlines??
(DimensionRequest::Unknown, DimensionRequest::Unknown) => self.get_ideal_size(),
(DimensionRequest::Unknown, DimensionRequest::Unknown) => {
self.get_ideal_size()
}
(DimensionRequest::Fixed(w), _) => {
// In a BoxView or something.
let h = self.get_num_lines(w);
Vec2::new(w, h)
}
@ -261,8 +270,10 @@ impl View for TextView {
let ideal = self.get_ideal_size();
if w >= ideal.x {
// This is the cheap path
ideal
} else {
// This is the expensive one :(
let h = self.get_num_lines(w);
Vec2::new(w, h)
}
@ -279,7 +290,8 @@ impl View for TextView {
// Compute the text rows.
self.rows = LinesIterator::new(&self.content, size.x).collect();
if self.rows.len() > size.y {
self.rows = LinesIterator::new(&self.content, size.x - 2).collect();
self.rows = LinesIterator::new(&self.content, size.x - 2)
.collect();
}
self.scrollbase.set_heights(size.y, self.rows.len());
}

2
src/view/view_wrapper.rs
View File

@ -1,7 +1,7 @@
use std::any::Any;
use vec::Vec2;
use view::{View, SizeRequest, Selector};
use view::{Selector, SizeRequest, View};
use printer::Printer;
use event::{Event, EventResult};