utilities: add scrollbar on y overflow in shortcuts panel

jmap-eventsource
Manos Pitsidianakis 2020-11-28 18:48:48 +02:00
parent 3e109cabf0
commit 6a67322570
Signed by: Manos Pitsidianakis
GPG Key ID: 73627C2F690DF710
1 changed files with 77 additions and 38 deletions

View File

@ -892,29 +892,54 @@ impl Component for Tabbed {
}
if (self.show_shortcuts && self.dirty) || must_redraw_shortcuts {
let area = (
let dialog_area = (
pos_inc(upper_left!(area), (2, 1)),
set_x(
bottom_right!(area),
get_x(bottom_right!(area)).saturating_sub(2),
),
);
context.dirty_areas.push_back(area);
clear_area(grid, area, crate::conf::value(context, "theme_default"));
let area = create_box(grid, area);
context.dirty_areas.push_back(dialog_area);
clear_area(
grid,
dialog_area,
crate::conf::value(context, "theme_default"),
);
let inner_area = create_box(grid, dialog_area);
let mut children_maps = self.children[self.cursor_pos].get_shortcuts(context);
let our_map = self.get_shortcuts(context);
children_maps.extend(our_map.into_iter());
if children_maps.is_empty() {
return;
}
let (x, y) = write_string_to_grid(
"shortcuts",
grid,
self.theme_default.fg,
self.theme_default.bg,
self.theme_default.attrs | Attr::BOLD,
(
pos_inc(upper_left!(dialog_area), (2, 0)),
bottom_right!(dialog_area),
),
None,
);
write_string_to_grid(
"Press ? to close",
grid,
self.theme_default.fg,
self.theme_default.bg,
self.theme_default.attrs | Attr::ITALICS,
((x + 2, y), bottom_right!(dialog_area)),
None,
);
if (children_maps == self.help_curr_views) && must_redraw_shortcuts {
let (width, height) = self.help_content.size();
let (cols, rows) = (width!(area), height!(area));
let (cols, rows) = (width!(inner_area), height!(inner_area));
copy_area(
grid,
&self.help_content,
area,
inner_area,
(
(
std::cmp::min(
@ -932,6 +957,22 @@ impl Component for Tabbed {
),
),
);
if height.wrapping_div(rows) > 0 || width.wrapping_div(cols) > 0 {
ScrollBar::default().set_show_arrows(true).draw(
grid,
(
pos_inc(upper_left!(inner_area), (width!(inner_area), 0)),
bottom_right!(inner_area),
),
context,
/* position */
std::cmp::min((height - 1).saturating_sub(rows), self.help_screen_cursor.1),
/* visible_rows */
rows,
/* length */
height,
);
}
self.dirty = false;
return;
}
@ -957,7 +998,7 @@ impl Component for Tabbed {
CellBuffer::new_with_context(max_width, max_length + 2, None, context);
self.help_content.set_growable(true);
let (width, height) = self.help_content.size();
let (cols, rows) = (width!(area), height!(area));
let (cols, rows) = (width!(inner_area), height!(inner_area));
if cols == 0 || rows == 0 {
return;
}
@ -967,24 +1008,18 @@ impl Component for Tabbed {
std::cmp::min((height - 1).saturating_sub(rows), self.help_screen_cursor.1),
);
let (x, y) = write_string_to_grid(
"shortcut maps",
&mut self.help_content,
self.theme_default.fg,
self.theme_default.bg,
self.theme_default.attrs,
((2, 0), (max_width.saturating_sub(2), max_length - 1)),
None,
);
write_string_to_grid(
"Press ? to close",
&mut self.help_content,
self.theme_default.fg,
self.theme_default.bg,
self.theme_default.attrs,
((x + 1, y), (max_width.saturating_sub(2), max_length - 1)),
None,
);
/* In this case we will be scrolling, so show the user how to do it */
if height.wrapping_div(rows) > 0 || width.wrapping_div(cols) > 0 {
write_string_to_grid(
"Use Up, Down, Left, Right to scroll.",
&mut self.help_content,
self.theme_default.fg,
self.theme_default.bg,
self.theme_default.attrs | Attr::ITALICS,
((2, 2), (max_width.saturating_sub(2), max_length - 1)),
None,
);
}
write_string_to_grid(
"use COMMAND \"search\" to find shortcuts",
&mut self.help_content,
@ -994,18 +1029,6 @@ impl Component for Tabbed {
((2, 1), (max_width.saturating_sub(2), max_length - 1)),
None,
);
/* In this case we will be scrolling, so show the user how to do it */
if height.wrapping_div(rows) > 0 || width.wrapping_div(cols) > 0 {
write_string_to_grid(
"Use Up, Down, Left, Right to scroll.",
&mut self.help_content,
self.theme_default.fg,
self.theme_default.bg,
self.theme_default.attrs,
((2, 2), (max_width.saturating_sub(2), max_length - 1)),
None,
);
}
let mut idx = 2;
for (desc, shortcuts) in children_maps.iter() {
write_string_to_grid(
@ -1107,7 +1130,7 @@ impl Component for Tabbed {
copy_area(
grid,
&self.help_content,
area,
inner_area,
(
(
std::cmp::min((width - 1).saturating_sub(cols), self.help_screen_cursor.0),
@ -1119,6 +1142,22 @@ impl Component for Tabbed {
),
),
);
if height.wrapping_div(rows) > 0 || width.wrapping_div(cols) > 0 {
ScrollBar::default().set_show_arrows(true).draw(
grid,
(
pos_inc(upper_left!(inner_area), (width!(inner_area), 0)),
bottom_right!(inner_area),
),
context,
/* position */
std::cmp::min((height - 1).saturating_sub(rows), self.help_screen_cursor.1),
/* visible_rows */
rows,
/* length */
height,
);
}
}
self.dirty = false;
}