From 2b3d6f3c16342a25e852aa86c0f5ab3bc214a4ca Mon Sep 17 00:00:00 2001
From: P. J. McDermott <pj@pehjota.net>
Date: Fri, 19 Mar 2021 10:59:04 -0400
Subject: main-menu, help: Handle quit through call stack

---
(limited to 'src')

diff --git a/src/help.c b/src/help.c
index 71c2f35..0399c36 100644
--- a/src/help.c
+++ b/src/help.c
@@ -85,7 +85,7 @@ _db_help_triangle(SDL_Renderer *renderer, Uint8 r, Uint8 g, Uint8 b, Uint8 a,
 	SDL_RenderDrawPoints(renderer, points, i);
 }
 
-void
+int
 db_help(void)
 {
 	char         *font_path;
@@ -121,6 +121,8 @@ db_help(void)
 		return;
 	}
 
+	TTF_CloseFont(font);
+
 	texture = SDL_CreateTextureFromSurface(renderer, surface);
 	if (texture == NULL) {
 		db_err("Failed to create texture (%s)", SDL_GetError());
@@ -141,7 +143,7 @@ db_help(void)
 	while (SDL_WaitEvent(&event)) {
 		switch (event.type) {
 			case SDL_QUIT:
-				_db_help_quit = 1;
+				_db_help_quit = 2;
 				break;
 			case SDL_KEYDOWN:
 				switch (event.key.keysym.sym) {
@@ -181,7 +183,7 @@ db_help(void)
 			default:
 				break;
 		}
-		if (_db_help_quit == 1) {
+		if (_db_help_quit > 0) {
 			break;
 		}
 		SDL_SetRenderDrawColor(renderer, 0x7F, 0x7F, 0x7F, 0xFF);
@@ -204,4 +206,9 @@ db_help(void)
 		}
 		SDL_RenderPresent(renderer);
 	}
+
+	SDL_FreeSurface(surface);
+	SDL_DestroyTexture(texture);
+
+	return _db_help_quit - 1;
 }
diff --git a/src/help.h b/src/help.h
index 0c9d279..8f3acc0 100644
--- a/src/help.h
+++ b/src/help.h
@@ -20,6 +20,6 @@
 #ifndef DB_HELP_H_
 #define DB_HELP_H_
 
-void db_help(void);
+int db_help(void);
 
 #endif  /* DB_HELP_H_ */
diff --git a/src/main-menu.c b/src/main-menu.c
index 8782c3e..685ea8c 100644
--- a/src/main-menu.c
+++ b/src/main-menu.c
@@ -40,7 +40,7 @@ struct _db_main_menu_button {
 	struct _db_main_menu_button  *r;
 	struct _db_main_menu_button  *p;
 	struct _db_main_menu_button  *n;
-	void                        (*action)(void *);
+	int                         (*action)(void *);
 	void                         *user_data;
 };
 
@@ -71,19 +71,21 @@ _db_main_menu_text(TTF_Font *font, const char *text, SDL_Color *color,
 	return texture;
 }
 
-static void
+static int
 _db_main_menu_action_help(void *user_data __attribute__((__unused__)))
 {
-	db_help();
+	return db_help();
 }
 
-static void
+static int
 _db_main_menu_action_quit(void *user_data __attribute__((__unused__)))
 {
 	_db_main_menu_quit = 1;
+
+	return 0;
 }
 
-static void
+static int
 _db_main_menu_action_game(void *user_data)
 {
 	struct db_game *game;
@@ -91,9 +93,11 @@ _db_main_menu_action_game(void *user_data)
 	game = user_data;
 
 	db_dbg("Loading game \"%s\"", db_game_get_name(game));
+
+	return 0;
 }
 
-void
+int
 db_main_menu(void)
 {
 	const char                   *games_dir;
@@ -132,7 +136,7 @@ db_main_menu(void)
 	if (font == NULL) {
 		db_err("Failed to open font (%s)", TTF_GetError());
 		free(font_path);
-		return;
+		return -1;
 	}
 	texture_title = _db_main_menu_text(font, "Dodge Balls", &text_color, 0,
 			renderer, &dest_rect);
@@ -147,7 +151,7 @@ db_main_menu(void)
 	if (font == NULL) {
 		db_err("Failed to open font (%s)", TTF_GetError());
 		free(font_path);
-		return;
+		return -1;
 	}
 
 	/* Find games */
@@ -324,8 +328,12 @@ db_main_menu(void)
 						break;
 					case SDLK_RETURN:
 					case SDLK_KP_ENTER:
-						active->action(
-							     active->user_data);
+						if (active->action(active->
+								      user_data)
+								> 0)
+						{
+							_db_main_menu_quit = 2;
+						}
 						break;
 					default:
 						break;
@@ -352,7 +360,10 @@ db_main_menu(void)
 				if (db_pt_in_rect(event.button.x,
 							event.button.y,
 							&active->rect)) {
-					active->action(active->user_data);
+					if (active->action(active->user_data) >
+							0) {
+						_db_main_menu_quit = 2;
+					}
 				}
 				break;
 			default:
@@ -373,7 +384,7 @@ db_main_menu(void)
 			}
 		}
 		SDL_RenderPresent(renderer);
-		if (_db_main_menu_quit == 1) {
+		if (_db_main_menu_quit > 0) {
 			break;
 		}
 	}
@@ -382,4 +393,6 @@ db_main_menu(void)
 	free(font_path);
 	TTF_CloseFont(font);
 	SDL_DestroyTexture(texture_title);
+
+	return _db_main_menu_quit - 1;
 }
diff --git a/src/main-menu.h b/src/main-menu.h
index cc55ca7..7dffbd9 100644
--- a/src/main-menu.h
+++ b/src/main-menu.h
@@ -20,6 +20,6 @@
 #ifndef DB_MAIN_MENU_H_
 #define DB_MAIN_MENU_H_
 
-void db_main_menu(void);
+int db_main_menu(void);
 
 #endif  /* DB_MAIN_MENU_H_ */
--
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