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-rw-r--r--ui/src/components/mail/view/thread.rs300
1 files changed, 240 insertions, 60 deletions
diff --git a/ui/src/components/mail/view/thread.rs b/ui/src/components/mail/view/thread.rs
index eedc1038..e00c0724 100644
--- a/ui/src/components/mail/view/thread.rs
+++ b/ui/src/components/mail/view/thread.rs
@@ -20,6 +20,7 @@
*/
use super::*;
+use std::cmp;
#[derive(Debug)]
struct ThreadEntry {
@@ -28,30 +29,113 @@ struct ThreadEntry {
content: CellBuffer,
msg_idx: usize,
- expanded: bool,
}
-#[derive(Debug)]
+#[derive(Debug, Default)]
pub struct ThreadView {
+ new_cursor_pos: usize,
+ cursor_pos: usize,
+ expanded_pos: usize,
+ new_expanded_pos: usize,
dirty: bool,
coordinates: (usize, usize, usize),
- pager: Pager,
+ mailview: MailView,
entries: Vec<ThreadEntry>,
+ content: CellBuffer,
+ initiated: bool,
}
impl ThreadView {
- pub fn new(coordinates: (usize, usize, usize),
- ) -> Self {
- ThreadView {
+ pub fn new(coordinates: (usize, usize, usize), context: &Context) -> Self {
+ let mut stack: Vec<(usize, usize)> = Vec::with_capacity(32);
+ let mailbox = &context.accounts[coordinates.0][coordinates.1].as_ref().unwrap();
+ let threads = &mailbox.threads;
+ let container = &threads.containers()[threads.root_set()[coordinates.2]];
+
+ if container.message().is_some() {
+ stack.push((0, threads.root_set()[coordinates.2]));
+ } else {
+ stack.push((1, container.first_child().unwrap()));
+ }
+ let mut view = ThreadView {
dirty: true,
+ initiated: false,
coordinates,
- pager: Pager::default(),
+ mailview: MailView::default(),
entries: Vec::new(),
+ cursor_pos: 1,
+ new_cursor_pos: 0,
+ .. Default::default()
+ };
+ let mut line = 0;
+ let mut max_ind = 0;
+ while let Some((ind, idx)) = stack.pop() {
+ max_ind = cmp::max(max_ind, ind);
+ let entry = view.make_entry(context, (ind, idx, line));
+ view.entries.push(entry);
+ line += 1;
+ let container = &threads.containers()[idx];
+ if let Some(i) = container.next_sibling() {
+ stack.push((ind, i));
+ }
+
+ if let Some(i) = container.first_child() {
+ stack.push((ind + 1, i));
+ }
+ }
+ view.new_expanded_pos = view.entries.len() - 1;
+ view.expanded_pos = view.new_expanded_pos + 1;
+
+ let height = 2*view.entries.len();
+ let mut width = 0;
+
+ let mut strings: Vec<String> = Vec::with_capacity(view.entries.len());
+
+
+ for e in &view.entries {
+ let envelope: &Envelope = &mailbox.collection[e.msg_idx];
+ strings.push(format!(" {}{} - {}", " ".repeat(e.index.0 * 4), envelope.date_as_str(), envelope.from_to_string()));
+ width = cmp::max(width, e.index.0 + strings.last().as_ref().unwrap().len() + 1);
+
}
+ let mut content = CellBuffer::new(width, height, Cell::default());
+ for (y, e) in view.entries.iter().enumerate() {
+ if y > 0 && content.get_mut(e.index.0 * 4, 2*y - 1).is_some() {
+ let index = (e.index.0 * 4, 2*y - 1);
+ if content[index].ch() == ' ' {
+ let mut ctr = 1;
+ while content[(e.index.0 * 4 + ctr, 2 * y - 1)].ch() == ' ' {
+ content[(e.index.0 * 4 + ctr, 2 * y - 1)].set_ch(HORZ_BOUNDARY);
+ ctr += 1;
+ }
+ content[index].set_ch(_TOP_LEFT_CORNER);
+ } else {
+ content[index].set_ch(LIGHT_DOWN_AND_HORIZONTAL);
+ };
+ }
+
+ write_string_to_grid(
+ &strings[y],
+ &mut content,
+ Color::Default,
+ Color::Default,
+ ((e.index.0 + 1, 2*y), (width - 1, height - 1)),
+ true,
+ );
+ content[(e.index.0 * 4, 2*y)].set_ch(VERT_BOUNDARY);
+ for i in (e.index.0 * 4)..width {
+ content[(i, 2*y + 1)].set_ch(HORZ_BOUNDARY);
+ }
+ content[(e.index.0 *4, 2*y + 1)].set_ch(LIGHT_UP_AND_HORIZONTAL);
+ }
+ //view.mailview = MailView::new((view.coordinates.0, view.coordinates.1, view.entries[view.expanded_pos].msg_idx), None, None);
+ view.content = content;
+ view.new_cursor_pos = view.new_expanded_pos;
+ view
}
- fn make_entry(&mut self, context: &mut Context, i: (usize, usize, usize)) -> ThreadEntry {
+ fn make_entry(&mut self, context: &Context, i: (usize, usize, usize)) -> ThreadEntry {
let (ind, idx, order) = i;
let mailbox = &context.accounts[self.coordinates.0][self.coordinates.1]
.as_ref()
@@ -90,7 +174,7 @@ impl ThreadView {
&mut buf,
Color::Byte(33),
Color::Default,
- ((0, 0), (width, height)),
+ ((ind, 0), (width, height)),
true,
);
write_string_to_grid(
@@ -98,7 +182,7 @@ impl ThreadView {
&mut buf,
Color::Byte(33),
Color::Default,
- ((0, 1), (width, height)),
+ ((ind, 1), (width, height)),
true,
);
write_string_to_grid(
@@ -106,7 +190,7 @@ impl ThreadView {
&mut buf,
Color::Byte(33),
Color::Default,
- ((0, 2), (width, height)),
+ ((ind, 2), (width, height)),
true,
);
@@ -116,9 +200,71 @@ impl ThreadView {
content: buf,
msg_idx,
- expanded: false,
}
}
+
+ fn highlight_line(&self, grid: &mut CellBuffer, area: Area, idx: usize) {
+ let fg_color = Color::Default;
+ let bg_color = if self.cursor_pos == idx {
+ Color::Byte(246)
+ } else {
+ Color::Default
+ };
+ change_colors(grid, area, fg_color, bg_color);
+ }
+
+ /// Draw the list
+ fn draw_list(&mut self, grid: &mut CellBuffer, area: Area, context: &mut Context) {
+ let upper_left = upper_left!(area);
+ let bottom_right = bottom_right!(area);
+ let (width, height) = self.content.size();
+ if height == 0 {
+ clear_area(grid, area);
+ copy_area(grid, &self.content, area, ((0, 0), (width - 1, 0)));
+ context.dirty_areas.push_back(area);
+ return;
+ }
+ let rows = (get_y(bottom_right) - get_y(upper_left) + 1) / 2;
+ let prev_page_no = (self.cursor_pos).wrapping_div(rows);
+ let page_no = (self.new_cursor_pos).wrapping_div(rows);
+
+ let top_idx = page_no * rows;
+
+ /* If cursor position has changed, remove the highlight from the previous position and
+ * apply it in the new one. */
+ if prev_page_no == page_no {
+ let old_cursor_pos = self.cursor_pos;
+ self.cursor_pos = self.new_cursor_pos;
+ for &idx in &[old_cursor_pos, self.new_cursor_pos] {
+ let new_area = (
+ set_y(upper_left, get_y(upper_left) + 2*(idx % rows)),
+ set_y(bottom_right, get_y(upper_left) + 2*(idx % rows)),
+ );
+ self.highlight_line(grid, new_area, idx);
+ context.dirty_areas.push_back(new_area);
+ }
+ return;
+ } else if self.cursor_pos != self.new_cursor_pos {
+ self.cursor_pos = self.new_cursor_pos;
+ }
+
+ /* Page_no has changed, so draw new page */
+ copy_area(
+ grid,
+ &self.content,
+ area,
+ ((0, 2*top_idx), (width - 1, height - 1)),
+ );
+ self.highlight_line(
+ grid,
+ (
+ set_y(upper_left, get_y(upper_left) + 2*(self.cursor_pos % rows)),
+ set_y(bottom_right, get_y(upper_left) + 2*(self.cursor_pos % rows)),
+ ),
+ self.cursor_pos,
+ );
+ context.dirty_areas.push_back(area);
+ }
}
impl fmt::Display for ThreadView {
@@ -132,11 +278,27 @@ impl Component for ThreadView {
fn draw(&mut self, grid: &mut CellBuffer, area: Area, context: &mut Context) {
let upper_left = upper_left!(area);
let bottom_right = bottom_right!(area);
- clear_area(grid, area);
- let mut stack: Vec<(usize, usize)> = Vec::with_capacity(32);
- let y =
- {
+ let total_rows = get_y(bottom_right) - get_y(upper_left);
+ let pager_ratio = context.runtime_settings.pager.pager_ratio;
+ let bottom_entity_rows = (pager_ratio * total_rows) / 100;
+
+ if bottom_entity_rows > total_rows {
+ clear_area(grid, area);
+ context.dirty_areas.push_back(area);
+ return;
+ }
+
+ let mid = get_y(upper_left) + total_rows - bottom_entity_rows;
+
+ if !self.dirty {
+ self.mailview.draw(grid, (set_y(upper_left, mid + 1), bottom_right), context);
+ return;
+ }
+
+ self.dirty = false;
+
+ let y = {
let mailbox = &mut context.accounts[self.coordinates.0][self.coordinates.1].as_ref().unwrap();
let threads = &mailbox.threads;
let container = &threads.containers()[threads.root_set()[self.coordinates.2]];
@@ -162,62 +324,80 @@ impl Component for ThreadView {
grid[(x, y)].set_bg(Color::Default);
grid[(x, y)].set_fg(Color::Default);
}
- if container.message().is_some() {
- stack.push((0, threads.root_set()[self.coordinates.2]));
- } else {
- stack.push((1, container.first_child().unwrap()));
- }
- y
+ //context.dirty_areas.push_back(((0,0), set_y(bottom_right, y)));
+ y + 2
};
- if self.dirty {
-
- let mut line = 0;
- while let Some((ind, idx)) = stack.pop() {
- let entry = self.make_entry(context, (ind, idx, line));
- self.entries.push(entry);
- line += 1;
- let mailbox = &mut context.accounts[self.coordinates.0][self.coordinates.1].as_ref().unwrap();
- let threads = &mailbox.threads;
- let container = &threads.containers()[idx];
- if let Some(i) = container.next_sibling() {
- stack.push((ind, i));
- }
- if let Some(i) = container.first_child() {
- stack.push((ind + 1, i));
- }
+ let (width, height) = self.content.size();
+ if height == 0 || height == self.cursor_pos || width == 0 {
+ return;
+ }
+
+ if !self.initiated {
+ clear_area(grid, (set_y(upper_left, y - 1), bottom_right));
+ let (width, height) = self.content.size();
+ copy_area(
+ grid,
+ &self.content,
+ (set_y(upper_left, y), set_y(bottom_right, mid - 1)),
+ ((0, 0), (width - 1, height - 1)),
+ );
+ for x in get_x(upper_left)..=get_x(bottom_right) {
+ grid[(x, mid)].set_ch(HORZ_BOUNDARY);
}
- let height = self.entries.iter().map(|x| x.content.size().1).sum();
- let width = self.entries.iter().map(|x| x.content.size().0).max().unwrap_or(0);
- let mut content = CellBuffer::new(width, height, Cell::default());
-
- let mut y = 0;
-
- let (cols_dest, rows_dest) = content.size();
- 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();
}
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-11 18:25:22 +0000