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@ -20,6 +20,7 @@
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*/
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use super::*;
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use std::cmp;
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#[derive(Debug)]
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struct ThreadEntry {
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@ -28,30 +29,113 @@ struct ThreadEntry {
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content: CellBuffer,
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msg_idx: usize,
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expanded: bool,
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}
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#[derive(Debug)]
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#[derive(Debug, Default)]
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pub struct ThreadView {
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new_cursor_pos: usize,
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cursor_pos: usize,
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expanded_pos: usize,
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new_expanded_pos: usize,
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dirty: bool,
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coordinates: (usize, usize, usize),
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pager: Pager,
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mailview: MailView,
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entries: Vec<ThreadEntry>,
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content: CellBuffer,
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initiated: bool,
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}
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impl ThreadView {
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pub fn new(coordinates: (usize, usize, usize),
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) -> Self {
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ThreadView {
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pub fn new(coordinates: (usize, usize, usize), context: &Context) -> Self {
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let mut stack: Vec<(usize, usize)> = Vec::with_capacity(32);
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let mailbox = &context.accounts[coordinates.0][coordinates.1].as_ref().unwrap();
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let threads = &mailbox.threads;
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let container = &threads.containers()[threads.root_set()[coordinates.2]];
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if container.message().is_some() {
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stack.push((0, threads.root_set()[coordinates.2]));
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} else {
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stack.push((1, container.first_child().unwrap()));
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}
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let mut view = ThreadView {
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dirty: true,
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initiated: false,
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coordinates,
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pager: Pager::default(),
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mailview: MailView::default(),
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entries: Vec::new(),
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cursor_pos: 1,
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new_cursor_pos: 0,
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.. Default::default()
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};
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let mut line = 0;
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let mut max_ind = 0;
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while let Some((ind, idx)) = stack.pop() {
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max_ind = cmp::max(max_ind, ind);
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let entry = view.make_entry(context, (ind, idx, line));
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view.entries.push(entry);
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line += 1;
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let container = &threads.containers()[idx];
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if let Some(i) = container.next_sibling() {
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stack.push((ind, i));
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}
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if let Some(i) = container.first_child() {
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stack.push((ind + 1, i));
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}
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}
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view.new_expanded_pos = view.entries.len() - 1;
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view.expanded_pos = view.new_expanded_pos + 1;
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let height = 2*view.entries.len();
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let mut width = 0;
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let mut strings: Vec<String> = Vec::with_capacity(view.entries.len());
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for e in &view.entries {
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let envelope: &Envelope = &mailbox.collection[e.msg_idx];
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strings.push(format!(" {}{} - {}", " ".repeat(e.index.0 * 4), envelope.date_as_str(), envelope.from_to_string()));
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width = cmp::max(width, e.index.0 + strings.last().as_ref().unwrap().len() + 1);
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}
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let mut content = CellBuffer::new(width, height, Cell::default());
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for (y, e) in view.entries.iter().enumerate() {
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if y > 0 && content.get_mut(e.index.0 * 4, 2*y - 1).is_some() {
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let index = (e.index.0 * 4, 2*y - 1);
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if content[index].ch() == ' ' {
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let mut ctr = 1;
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while content[(e.index.0 * 4 + ctr, 2 * y - 1)].ch() == ' ' {
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content[(e.index.0 * 4 + ctr, 2 * y - 1)].set_ch(HORZ_BOUNDARY);
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ctr += 1;
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}
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content[index].set_ch(_TOP_LEFT_CORNER);
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} else {
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content[index].set_ch(LIGHT_DOWN_AND_HORIZONTAL);
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};
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}
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write_string_to_grid(
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&strings[y],
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&mut content,
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Color::Default,
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Color::Default,
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((e.index.0 + 1, 2*y), (width - 1, height - 1)),
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true,
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);
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content[(e.index.0 * 4, 2*y)].set_ch(VERT_BOUNDARY);
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for i in (e.index.0 * 4)..width {
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content[(i, 2*y + 1)].set_ch(HORZ_BOUNDARY);
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}
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content[(e.index.0 *4, 2*y + 1)].set_ch(LIGHT_UP_AND_HORIZONTAL);
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}
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//view.mailview = MailView::new((view.coordinates.0, view.coordinates.1, view.entries[view.expanded_pos].msg_idx), None, None);
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view.content = content;
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view.new_cursor_pos = view.new_expanded_pos;
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view
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}
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fn make_entry(&mut self, context: &mut Context, i: (usize, usize, usize)) -> ThreadEntry {
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fn make_entry(&mut self, context: &Context, i: (usize, usize, usize)) -> ThreadEntry {
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let (ind, idx, order) = i;
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let mailbox = &context.accounts[self.coordinates.0][self.coordinates.1]
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.as_ref()
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@ -90,7 +174,7 @@ impl ThreadView {
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&mut buf,
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Color::Byte(33),
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Color::Default,
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((0, 0), (width, height)),
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((ind, 0), (width, height)),
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true,
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);
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write_string_to_grid(
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@ -98,7 +182,7 @@ impl ThreadView {
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&mut buf,
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Color::Byte(33),
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Color::Default,
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((0, 1), (width, height)),
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((ind, 1), (width, height)),
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true,
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);
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write_string_to_grid(
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@ -106,7 +190,7 @@ impl ThreadView {
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&mut buf,
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Color::Byte(33),
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Color::Default,
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((0, 2), (width, height)),
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((ind, 2), (width, height)),
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true,
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);
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@ -116,9 +200,71 @@ impl ThreadView {
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content: buf,
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msg_idx,
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expanded: false,
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}
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}
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fn highlight_line(&self, grid: &mut CellBuffer, area: Area, idx: usize) {
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let fg_color = Color::Default;
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let bg_color = if self.cursor_pos == idx {
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Color::Byte(246)
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} else {
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Color::Default
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};
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change_colors(grid, area, fg_color, bg_color);
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}
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/// Draw the list
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fn draw_list(&mut self, grid: &mut CellBuffer, area: Area, context: &mut Context) {
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let upper_left = upper_left!(area);
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let bottom_right = bottom_right!(area);
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let (width, height) = self.content.size();
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if height == 0 {
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clear_area(grid, area);
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copy_area(grid, &self.content, area, ((0, 0), (width - 1, 0)));
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context.dirty_areas.push_back(area);
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return;
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}
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let rows = (get_y(bottom_right) - get_y(upper_left) + 1) / 2;
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let prev_page_no = (self.cursor_pos).wrapping_div(rows);
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let page_no = (self.new_cursor_pos).wrapping_div(rows);
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let top_idx = page_no * rows;
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/* If cursor position has changed, remove the highlight from the previous position and
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* apply it in the new one. */
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if prev_page_no == page_no {
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let old_cursor_pos = self.cursor_pos;
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self.cursor_pos = self.new_cursor_pos;
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for &idx in &[old_cursor_pos, self.new_cursor_pos] {
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let new_area = (
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set_y(upper_left, get_y(upper_left) + 2*(idx % rows)),
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set_y(bottom_right, get_y(upper_left) + 2*(idx % rows)),
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);
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self.highlight_line(grid, new_area, idx);
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context.dirty_areas.push_back(new_area);
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}
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return;
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} else if self.cursor_pos != self.new_cursor_pos {
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self.cursor_pos = self.new_cursor_pos;
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}
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/* Page_no has changed, so draw new page */
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copy_area(
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grid,
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&self.content,
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area,
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((0, 2*top_idx), (width - 1, height - 1)),
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);
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self.highlight_line(
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grid,
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(
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set_y(upper_left, get_y(upper_left) + 2*(self.cursor_pos % rows)),
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set_y(bottom_right, get_y(upper_left) + 2*(self.cursor_pos % rows)),
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),
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self.cursor_pos,
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);
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context.dirty_areas.push_back(area);
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}
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}
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impl fmt::Display for ThreadView {
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@ -132,11 +278,27 @@ impl Component for ThreadView {
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fn draw(&mut self, grid: &mut CellBuffer, area: Area, context: &mut Context) {
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let upper_left = upper_left!(area);
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let bottom_right = bottom_right!(area);
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clear_area(grid, area);
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let mut stack: Vec<(usize, usize)> = Vec::with_capacity(32);
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let y =
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{
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let total_rows = get_y(bottom_right) - get_y(upper_left);
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let pager_ratio = context.runtime_settings.pager.pager_ratio;
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let bottom_entity_rows = (pager_ratio * total_rows) / 100;
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if bottom_entity_rows > total_rows {
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clear_area(grid, area);
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context.dirty_areas.push_back(area);
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return;
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}
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let mid = get_y(upper_left) + total_rows - bottom_entity_rows;
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if !self.dirty {
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self.mailview.draw(grid, (set_y(upper_left, mid + 1), bottom_right), context);
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return;
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}
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self.dirty = false;
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let y = {
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let mailbox = &mut context.accounts[self.coordinates.0][self.coordinates.1].as_ref().unwrap();
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let threads = &mailbox.threads;
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let container = &threads.containers()[threads.root_set()[self.coordinates.2]];
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@ -162,62 +324,80 @@ impl Component for ThreadView {
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grid[(x, y)].set_bg(Color::Default);
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grid[(x, y)].set_fg(Color::Default);
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}
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if container.message().is_some() {
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stack.push((0, threads.root_set()[self.coordinates.2]));
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} else {
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stack.push((1, container.first_child().unwrap()));
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}
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y
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//context.dirty_areas.push_back(((0,0), set_y(bottom_right, y)));
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y + 2
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};
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if self.dirty {
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let mut line = 0;
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while let Some((ind, idx)) = stack.pop() {
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let entry = self.make_entry(context, (ind, idx, line));
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self.entries.push(entry);
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line += 1;
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let mailbox = &mut context.accounts[self.coordinates.0][self.coordinates.1].as_ref().unwrap();
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let threads = &mailbox.threads;
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let container = &threads.containers()[idx];
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if let Some(i) = container.next_sibling() {
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stack.push((ind, i));
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}
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if let Some(i) = container.first_child() {
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stack.push((ind + 1, i));
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}
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let (width, height) = self.content.size();
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if height == 0 || height == self.cursor_pos || width == 0 {
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return;
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}
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if !self.initiated {
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clear_area(grid, (set_y(upper_left, y - 1), bottom_right));
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let (width, height) = self.content.size();
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copy_area(
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grid,
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&self.content,
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(set_y(upper_left, y), set_y(bottom_right, mid - 1)),
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((0, 0), (width - 1, height - 1)),
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);
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for x in get_x(upper_left)..=get_x(bottom_right) {
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grid[(x, mid)].set_ch(HORZ_BOUNDARY);
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}
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let height = self.entries.iter().map(|x| x.content.size().1).sum();
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let width = self.entries.iter().map(|x| x.content.size().0).max().unwrap_or(0);
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let mut content = CellBuffer::new(width, height, Cell::default());
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let mut y = 0;
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let (cols_dest, rows_dest) = content.size();
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|
|
|
|
for e in &self.entries {
|
|
|
|
|
let (cols_src, rows_src) = e.content.size();
|
|
|
|
|
y = copy_area(&mut content, &e.content, ((0, y), (cols_dest - 1, rows_dest - 1)), ((0, 0), (cols_src - 1, rows_src - 1))).1;
|
|
|
|
|
for i in 0..cols_dest {
|
|
|
|
|
content[(i, y)].set_ch(HORZ_BOUNDARY);
|
|
|
|
|
if let Some(cell) = grid.get_mut(get_x(upper_left).saturating_sub(1), mid) {
|
|
|
|
|
if cell.ch() == VERT_BOUNDARY {
|
|
|
|
|
cell.set_ch(LIGHT_VERTICAL_AND_RIGHT);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
self.pager = Pager::from_buf(content, None);
|
|
|
|
|
self.dirty = false;
|
|
|
|
|
context.dirty_areas.push_back(area);
|
|
|
|
|
self.initiated = true;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
self.pager.draw(grid, (set_y(upper_left, y + 1), bottom_right), context);
|
|
|
|
|
|
|
|
|
|
context
|
|
|
|
|
.dirty_areas
|
|
|
|
|
.push_back(area);
|
|
|
|
|
if self.new_expanded_pos != self.expanded_pos {
|
|
|
|
|
self.expanded_pos = self.new_expanded_pos;
|
|
|
|
|
self.mailview = MailView::new((self.coordinates.0, self.coordinates.1, self.entries[self.expanded_pos].msg_idx), None, None);
|
|
|
|
|
}
|
|
|
|
|
self.draw_list(grid, (set_y(upper_left, y), set_y(bottom_right, mid - 1)), context);
|
|
|
|
|
self.mailview.draw(grid, (set_y(upper_left, mid + 1), bottom_right), context);
|
|
|
|
|
}
|
|
|
|
|
fn process_event(&mut self, event: &UIEvent, context: &mut Context) {
|
|
|
|
|
self.pager.process_event(event, context);
|
|
|
|
|
fn process_event(&mut self, event: &UIEvent, context: &mut Context) -> bool {
|
|
|
|
|
if self.mailview.process_event(event, context) {
|
|
|
|
|
return true;
|
|
|
|
|
}
|
|
|
|
|
match event.event_type {
|
|
|
|
|
UIEventType::Input(Key::Up) => {
|
|
|
|
|
if self.cursor_pos > 0 {
|
|
|
|
|
self.new_cursor_pos -= 1;
|
|
|
|
|
self.dirty = true;
|
|
|
|
|
}
|
|
|
|
|
return true;
|
|
|
|
|
},
|
|
|
|
|
UIEventType::Input(Key::Down) => {
|
|
|
|
|
let height = self.entries.len();
|
|
|
|
|
if height > 0 && self.cursor_pos + 1 < height {
|
|
|
|
|
self.new_cursor_pos += 1;
|
|
|
|
|
self.dirty = true;
|
|
|
|
|
}
|
|
|
|
|
return true;
|
|
|
|
|
}
|
|
|
|
|
UIEventType::Input(Key::Char('\n')) => {
|
|
|
|
|
self.new_expanded_pos = self.cursor_pos;
|
|
|
|
|
self.dirty = true;
|
|
|
|
|
return true;
|
|
|
|
|
},
|
|
|
|
|
UIEventType::Resize => {
|
|
|
|
|
self.dirty = true;
|
|
|
|
|
},
|
|
|
|
|
_ => {}
|
|
|
|
|
}
|
|
|
|
|
false
|
|
|
|
|
}
|
|
|
|
|
fn is_dirty(&self) -> bool {
|
|
|
|
|
self.dirty || self.pager.is_dirty()
|
|
|
|
|
self.dirty || self.mailview.is_dirty()
|
|
|
|
|
}
|
|
|
|
|
fn set_dirty(&mut self) {
|
|
|
|
|
self.dirty = true;
|
|
|
|
|
self.mailview.set_dirty();
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|