add option to delete solutions, with a confirmation dialog

src/main.rs

@@ -18,7 +18,7 @@ use editor::{Editor, ExitState};
 use level::{Chapter, Level};
 use solution::Solution;
 use theme::*;
-use ui::{simple_option_button, text_button, text_input, ShapedText};
+use ui::{simple_option_button, tex32_button, text_button, text_input, ShapedText, Tooltip};
 use util::*;
 
 const TITLE_TEXT: &str = concat!("Marble Machinations v", env!("CARGO_PKG_VERSION"));
@@ -33,6 +33,7 @@ struct Game {
 	textures: Textures,
 	selected_level: usize,
 	selected_solution: usize,
+	delete_solution: Option<usize>,
 	editing_solution_name: bool,
 	level_desc_text: ShapedText,
 }
@@ -74,6 +75,7 @@ impl Game {
 			textures,
 			selected_level: 0,
 			selected_solution,
+			delete_solution: None,
 			editing_solution_name: false,
 			level_desc_text: ShapedText::new(20),
 		}
@@ -112,6 +114,9 @@ impl Game {
 	fn draw(&mut self, d: &mut RaylibDrawHandle) {
 		d.clear_background(BG_DARK);
 
+		let mut tooltip = Tooltip::default();
+		tooltip.init_frame(d);
+
 		d.draw_text(
 			TITLE_TEXT,
 			d.get_screen_width() - 275,
@@ -159,6 +164,7 @@ impl Game {
 						self.editing_solution_name = false;
 						self.selected_level = level_index;
 						self.selected_solution = 0;
+						self.delete_solution = None;
 						// select the last solution of the level, if there is one
 						if let Some(solutions) = self.solutions.get(level.id()) {
 							self.selected_solution = solutions.len().saturating_sub(1);
@@ -236,6 +242,14 @@ impl Game {
 						10,
 						Color::WHITE,
 					);
+					if tex32_button(
+						(d, &mouse),
+						(level_list_width + entry_width + 15, solution_y + 4),
+						self.textures.get("cancel"),
+						(&mut tooltip, "delete"),
+					) {
+						self.delete_solution = Some(solution_index);
+					}
 					solution_y += solution_entry_height + 10;
 				}
 
@@ -252,8 +266,23 @@ impl Game {
 					solutions.push(Solution::new(level, next_id));
 				}
 
+				if let Some(i) = self.delete_solution {
+					let text = format!("really delete solution '{}'?", &solutions[i].name);
+					let y = (solution_y + 40).max(240);
+					let x = level_list_width + 10;
+					d.draw_text(&text, x, y, 20, Color::ORANGE);
+					if text_button(d, &mouse, x, y + 30, 100, "yes") {
+						solutions[i].remove_file();
+						solutions.remove(i);
+						self.delete_solution = None;
+					}
+					if text_button(d, &mouse, x + 110, y + 30, 100, "no") {
+						self.delete_solution = None;
+					}
+				}
+
 				if let Some(solution) = solutions.get_mut(self.selected_solution) {
-					let column_x = level_list_width + entry_width + 20;
+					let column_x = level_list_width + entry_width + 56;
 					let bounds = Rectangle::new(column_x as f32, y as f32, 220., 30.);
 					if text_input(
 						d,
@@ -286,6 +315,7 @@ impl Game {
 				self.solutions.insert(level.id().to_owned(), Vec::new());
 			}
 		}
+		tooltip.draw(d);
 	}
 }
 

src/solution.rs

@@ -1,6 +1,7 @@
 use std::{
 	fs::{self, File},
 	io::Write,
+	path::PathBuf,
 };
 
 use serde::{Deserialize, Serialize};
@@ -45,16 +46,26 @@ impl Solution {
 		self.solution_id
 	}
 
-	pub fn save(&self) {
+	fn path(&self) -> PathBuf {
 		let dir = userdata_dir().join("solutions").join(&self.level_id);
 		fs::create_dir_all(&dir).unwrap();
-		let path = dir.join(format!("solution_{}.json", &self.solution_id));
+		dir.join(format!("solution_{}.json", &self.solution_id))
+	}
 
+	pub fn save(&self) {
+		let path = self.path();
 		let json = serde_json::to_string_pretty(self).unwrap();
 		let mut file = File::create(path).unwrap();
 		file.write_all(json.as_bytes()).unwrap();
 	}
 
+	pub fn remove_file(&self) {
+		let path = self.path();
+		if let Err(e) = fs::remove_file(path) {
+			eprint!("Error removing solution file: {e}");
+		}
+	}
+
 	pub fn score_text(&self) -> String {
 		if let Some(score) = &self.score {
 			format!("C: {}   T: {}", score.cycles, score.tiles)