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draw pagination indicator if applicable

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This commit is contained in:
Henrik Friedrichsen
2019-10-31 12:29:20 +01:00
parent dc427e3ba2
commit 31a8119749
1 changed files with 61 additions and 42 deletions
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103
src/ui/listview.rs
View File

@@ -161,56 +161,75 @@ impl<I: ListItem> View for ListView<I> {
let content = self.content.read().unwrap();
self.scrollbar.draw(printer, |printer, i| {
let item = &content[i];
// draw paginator after content
if i == content.len() {
let style = ColorStyle::secondary();
let style = if self.selected == i {
let fg = if item.is_playing(self.queue.clone()) {
*printer.theme.palette.custom("playing").unwrap()
} else {
PaletteColor::Tertiary.resolve(&printer.theme.palette)
};
ColorStyle::new(
ColorType::Color(fg),
ColorType::Palette(PaletteColor::Highlight),
)
} else if item.is_playing(self.queue.clone()) {
ColorStyle::new(
ColorType::Color(*printer.theme.palette.custom("playing").unwrap()),
ColorType::Color(*printer.theme.palette.custom("playing_bg").unwrap()),
)
} else {
ColorStyle::primary()
};
let left = item.display_left();
let right = item.display_right(self.library.clone());
// draw left string
printer.with_color(style, |printer| {
printer.print_hline((0, 0), printer.size.x, " ");
printer.print((0, 0), &left);
});
// draw ".." to indicate a cut off string
let max_length = printer.size.x.saturating_sub(right.width() + 1);
if max_length < left.width() {
let offset = max_length.saturating_sub(1);
let max = self.pagination.max_content().unwrap();
let buf = format!("{} more items, scroll to load", max - i);
printer.with_color(style, |printer| {
printer.print((offset, 0), "..");
printer.print((0, 0), &buf);
});
} else {
let item = &content[i];
let style = if self.selected == i {
let fg = if item.is_playing(self.queue.clone()) {
*printer.theme.palette.custom("playing").unwrap()
} else {
PaletteColor::Tertiary.resolve(&printer.theme.palette)
};
ColorStyle::new(
ColorType::Color(fg),
ColorType::Palette(PaletteColor::Highlight),
)
} else if item.is_playing(self.queue.clone()) {
ColorStyle::new(
ColorType::Color(*printer.theme.palette.custom("playing").unwrap()),
ColorType::Color(*printer.theme.palette.custom("playing_bg").unwrap()),
)
} else {
ColorStyle::primary()
};
let left = item.display_left();
let right = item.display_right(self.library.clone());
// draw left string
printer.with_color(style, |printer| {
printer.print_hline((0, 0), printer.size.x, " ");
printer.print((0, 0), &left);
});
// draw ".." to indicate a cut off string
let max_length = printer.size.x.saturating_sub(right.width() + 1);
if max_length < left.width() {
let offset = max_length.saturating_sub(1);
printer.with_color(style, |printer| {
printer.print((offset, 0), "..");
});
}
// draw right string
let offset = HAlign::Right.get_offset(right.width(), printer.size.x);
printer.with_color(style, |printer| {
printer.print((offset, 0), &right);
});
}
// draw right string
let offset = HAlign::Right.get_offset(right.width(), printer.size.x);
printer.with_color(style, |printer| {
printer.print((offset, 0), &right);
});
});
}
fn layout(&mut self, size: Vec2) {
self.last_content_len = self.content.read().unwrap().len();
let content_len = self.content.read().unwrap().len();
// add 1 more row for paginator if we can paginate
self.last_content_len = if self.can_paginate() {
content_len + 1
} else {
content_len
};
self.last_size = size;
self.scrollbar.set_heights(size.y, self.last_content_len);
}