112 lines
4.3 KiB
Rust
112 lines
4.3 KiB
Rust
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use eframe::egui;
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use egui::{Align2, Color32, FontId, Rect, Sense, Stroke, vec2};
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use crate::game::{Archetype, Glyph};
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use crate::render::{CELL_H, CELL_W, pos_to_cell};
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/// Renders the floating glyph-picker dialog and updates `glyph` in place.
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///
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/// Shows three sections: board palette (unique glyphs on the current board),
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/// FG/BG color pickers, and a 16×6 printable-ASCII character grid.
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/// Closes when the window's X button is clicked, writing `false` to `open`.
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pub(crate) fn show(
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ctx: &egui::Context,
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open: &mut bool,
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glyph: &mut Glyph,
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board_cells: &[(Glyph, Archetype)],
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) {
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// Collect unique glyphs from the board before the window closure borrows
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// `glyph` mutably, to avoid a borrow conflict with `board_cells`.
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let board_glyphs: Vec<Glyph> = {
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let mut seen: Vec<Glyph> = Vec::new();
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for (g, _) in board_cells {
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if !seen.contains(g) {
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seen.push(*g);
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}
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}
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seen
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};
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egui::Window::new("Glyph")
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.collapsible(false)
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.resizable(false)
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.open(open)
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.show(ctx, |ui| {
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// ----- Board palette -----
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ui.label("Board palette");
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ui.horizontal_wrapped(|ui| {
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for &g in &board_glyphs {
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let (r, resp) =
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ui.allocate_exact_size(vec2(CELL_W, CELL_H), Sense::click());
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{
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let p = ui.painter();
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p.rect_filled(r, 0.0, g.bg);
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p.text(r.center(), Align2::CENTER_CENTER, g.ch,
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FontId::monospace(CELL_H), g.fg);
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if g == *glyph {
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p.rect_stroke(r, 0.0, Stroke::new(1.0, Color32::WHITE),
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egui::epaint::StrokeKind::Middle);
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}
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}
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if resp.clicked() {
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*glyph = g;
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}
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}
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});
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ui.separator();
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// ----- Colors -----
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ui.label("Colors");
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ui.horizontal(|ui| {
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ui.label("FG");
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egui::color_picker::color_edit_button_srgba(
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ui, &mut glyph.fg, egui::color_picker::Alpha::Opaque);
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ui.label("BG");
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egui::color_picker::color_edit_button_srgba(
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ui, &mut glyph.bg, egui::color_picker::Alpha::Opaque);
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});
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ui.separator();
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// ----- Character grid -----
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// 16 columns × 6 rows covering printable ASCII 0x20–0x7E.
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ui.label("Character");
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const CHAR_COLS: usize = 16;
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let chars: Vec<char> =
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(0x20u32..=0x7eu32).filter_map(char::from_u32).collect();
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let rows = chars.len().div_ceil(CHAR_COLS);
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let grid_size = vec2(CHAR_COLS as f32 * CELL_W, rows as f32 * CELL_H);
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let (grid_rect, grid_resp) =
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ui.allocate_exact_size(grid_size, Sense::click());
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let fg = glyph.fg;
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let bg = glyph.bg;
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let cur_ch = glyph.ch;
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{
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let p = ui.painter();
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for (i, &ch) in chars.iter().enumerate() {
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let col = i % CHAR_COLS;
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let row = i / CHAR_COLS;
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let tl = grid_rect.min
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+ vec2(col as f32 * CELL_W, row as f32 * CELL_H);
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let cell = Rect::from_min_size(tl, vec2(CELL_W, CELL_H));
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p.rect_filled(cell, 0.0, bg);
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p.text(cell.center(), Align2::CENTER_CENTER, ch,
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FontId::monospace(CELL_H), fg);
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if ch == cur_ch {
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p.rect_stroke(cell, 0.0, Stroke::new(1.0, Color32::WHITE),
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egui::epaint::StrokeKind::Middle);
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}
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}
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}
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if grid_resp.clicked()
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&& let Some(pos) = grid_resp.interact_pointer_pos() {
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let (col, row) = pos_to_cell(grid_rect.min, pos);
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let idx = row as usize * CHAR_COLS + col as usize;
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if let Some(&ch) = chars.get(idx) {
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glyph.ch = ch;
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}
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}
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});
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}
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