warren/momentry_playground
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feat(ui): add keyboard shortcuts help panel (H key)

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accusys
2026-03-19 02:16:35 +08:00
parent 3f08b0d5d9
commit 7eee097e55
1 changed files with 70 additions and 0 deletions
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70
src/main.rs
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@@ -74,6 +74,7 @@ fn run(config: &Config) -> Result<()> {
let mut show_search = false;
let mut search_query = String::new();
let mut search_results: Vec<SearchResult> = Vec::new();
let mut show_help = false;
if let Some(ref video_path) = config.video {
info!("Loading video: {:?}", video_path);
@@ -182,10 +183,15 @@ fn run(config: &Config) -> Result<()> {
show_search = false;
search_query.clear();
search_results.clear();
} else if show_help {
show_help = false;
} else {
running = false;
}
}
sdl2::keyboard::Keycode::H => {
show_help = !show_help;
}
sdl2::keyboard::Keycode::Slash => {
if searcher.is_some() {
show_search = true;
@@ -824,6 +830,70 @@ fn run(config: &Config) -> Result<()> {
}
}
if show_help {
if let Some(ref font) = font {
let help_lines = vec![
"MoMentry Playground - Keyboard Shortcuts",
"",
"=== Playback ===",
"Space Play / Pause",
"Home Jump to start",
"End Jump to end",
"Left/Right Frame step (Shift for 1 sec)",
"",
"=== Display ===",
"S Toggle subtitles",
"Y Toggle YOLO boxes",
"C Toggle chunk markers",
"F Toggle fullscreen",
"M Mute / Unmute",
"+/- Zoom in / out",
"0 or ` Reset zoom",
"Arrow keys Pan when zoomed",
"",
"=== Search ===",
"/ Open search panel",
"Enter Search",
"1-6 Jump to result",
"Esc Close panel",
"",
"=== Other ===",
"H Toggle this help",
"Esc Exit",
];
let line_height = 18u32;
let help_h = (help_lines.len() as u32) * line_height + 40;
let help_w = 380u32;
let help_x = (config.width as i32 - help_w as i32) / 2;
let help_y = (config.height as i32 - help_h as i32) / 2;
canvas.set_draw_color(sdl2::pixels::Color::RGBA(15, 15, 25, 245));
let _ = canvas.fill_rect(Rect::new(help_x, help_y, help_w, help_h));
canvas.set_draw_color(sdl2::pixels::Color::RGBA(80, 80, 120, 255));
let _ = canvas.draw_rect(Rect::new(help_x, help_y, help_w, help_h));
let mut y_offset = help_y + 15;
for (i, line) in help_lines.iter().enumerate() {
let color = if line.ends_with("===") || line.is_empty() {
sdl2::pixels::Color::RGB(120, 180, 255)
} else if line.starts_with("===") {
sdl2::pixels::Color::RGB(100, 100, 120)
} else {
sdl2::pixels::Color::RGB(200, 200, 200)
};
if let Ok(surface) = font.render(line).solid(color) {
if let Ok(tex) = texture_creator.create_texture_from_surface(&surface) {
let rect =
Rect::new(help_x + 20, y_offset, surface.width(), surface.height());
canvas.copy(&tex, None, Some(rect)).ok();
}
}
y_offset += line_height as i32;
}
}
}
canvas.present();
std::thread::sleep(std::time::Duration::from_millis(16));
}