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Partial buffers just get printed to screen

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This commit is contained in:
Jonathan Turner 2019-07-27 07:31:46 +12:00
parent 8fa82ffa2e
commit eba20e5c7b
1 changed files with 17 additions and 9 deletions
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26
src/plugins/textview.rs
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@ -84,16 +84,21 @@ fn paint_textview(
} }
// if it's a short buffer, be sure to fill it out // if it's a short buffer, be sure to fill it out
while pos < (width * height) { // while pos < (width * height) {
frame_buffer.push((' ', 0, 0, 0)); // frame_buffer.push((' ', 0, 0, 0));
pos += 1; // pos += 1;
} // }
let num_frame_buffer_rows = frame_buffer.len() / width;
let buffer_needs_scrolling = num_frame_buffer_rows > height;
// display // display
let mut ansi_strings = vec![]; let mut ansi_strings = vec![];
let mut normal_chars = vec![]; let mut normal_chars = vec![];
for c in &frame_buffer[starting_row * width..(starting_row + height) * width] { for c in
&frame_buffer[starting_row * width..std::cmp::min(pos, (starting_row + height) * width)]
{
if use_color_buffer { if use_color_buffer {
ansi_strings.push(ansi_term::Colour::RGB(c.1, c.2, c.3).paint(format!("{}", c.0))); ansi_strings.push(ansi_term::Colour::RGB(c.1, c.2, c.3).paint(format!("{}", c.0)));
} else { } else {
@ -101,7 +106,10 @@ fn paint_textview(
} }
} }
let _ = cursor.goto(0, 0); if buffer_needs_scrolling {
let _ = cursor.goto(0, 0);
}
if use_color_buffer { if use_color_buffer {
print!("{}", ansi_term::ANSIStrings(&ansi_strings)); print!("{}", ansi_term::ANSIStrings(&ansi_strings));
} else { } else {
@ -109,7 +117,7 @@ fn paint_textview(
print!("{}", s); print!("{}", s);
} }
if (frame_buffer.len() / width) > height { if buffer_needs_scrolling {
let _ = cursor.goto(0, size.1); let _ = cursor.goto(0, size.1);
print!( print!(
"{}", "{}",
@ -119,7 +127,7 @@ fn paint_textview(
let _ = std::io::stdout().flush(); let _ = std::io::stdout().flush();
frame_buffer.len() / width num_frame_buffer_rows
} }
fn scroll_view_lines_if_needed(draw_commands: Vec<DrawCommand>, use_color_buffer: bool) { fn scroll_view_lines_if_needed(draw_commands: Vec<DrawCommand>, use_color_buffer: bool) {
@ -196,7 +204,7 @@ fn scroll_view_lines_if_needed(draw_commands: Vec<DrawCommand>, use_color_buffer
let screen = RawScreen::disable_raw_mode(); let screen = RawScreen::disable_raw_mode();
println!(""); println!("");
thread::sleep(Duration::from_millis(50)); //thread::sleep(Duration::from_millis(50));
} }
fn scroll_view(s: &str) { fn scroll_view(s: &str) {