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Cleaned up UI display code.

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This commit is contained in:
Nathan Vegdahl 2014-12-26 17:42:16 -08:00
parent 16945f4183
commit d979b2cfdc
1 changed files with 24 additions and 18 deletions
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38
src/term_ui.rs
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@ -143,33 +143,45 @@ impl TermUI {
let mut tb_iter = editor.buffer.root_iter();
let mut line: uint = 0;
let mut column: uint = 0;
let mut pos: uint = 0;
let height = c2.0 - c1.0;
let width = c2.1 - c1.1;
let cursor_pos = editor.buffer.pos_2d_to_closest_1d(editor.cursor);
loop {
if let Option::Some(c) = tb_iter.next() {
if c == '\n' {
if editor.cursor.0 == line && editor.cursor.1 >= column && editor.cursor.1 <= width {
self.rb.print(editor.cursor.1, line, rustbox::RB_NORMAL, Color::Black, Color::White, " ".to_string().as_slice());
if pos == cursor_pos {
self.rb.print(column, line, rustbox::RB_NORMAL, Color::Black, Color::White, " ".to_string().as_slice());
}
line += 1;
column = 0;
continue;
}
if editor.cursor.0 == line && editor.cursor.1 == column {
self.rb.print(column, line, rustbox::RB_NORMAL, Color::Black, Color::White, c.to_string().as_slice());
}
else {
self.rb.print(column, line, rustbox::RB_NORMAL, Color::White, Color::Black, c.to_string().as_slice());
if pos == cursor_pos {
self.rb.print(column, line, rustbox::RB_NORMAL, Color::Black, Color::White, c.to_string().as_slice());
}
else {
self.rb.print(column, line, rustbox::RB_NORMAL, Color::White, Color::Black, c.to_string().as_slice());
}
column += 1;
}
column += 1;
}
else {
// Show cursor at end of document if it's past the end of
// the document
if cursor_pos >= pos {
self.rb.print(column, line, rustbox::RB_NORMAL, Color::Black, Color::White, " ");
}
break;
}
pos += 1;
if line > height {
break;
}
@ -178,14 +190,8 @@ impl TermUI {
tb_iter.next_line();
line += 1;
column = 0;
// TODO: handle pos incrementing here
}
}
if editor.cursor.0 == line && editor.cursor.1 >= column && editor.cursor.1 <= width {
self.rb.print(editor.cursor.1, line, rustbox::RB_NORMAL, Color::Black, Color::White, " ");
}
else if editor.cursor.0 > line && editor.cursor.0 <= height && editor.cursor.1 <= width {
self.rb.print(editor.cursor.1, editor.cursor.0, rustbox::RB_NORMAL, Color::Black, Color::White, " ");
}
}
}