main-menu: Store button information in structs

1 files changed, 76 insertions, 63 deletions

diff --git a/src/main-menu.c b/src/main-menu.c
index f6398e8..e5b7726 100644
--- a/src/main-menu.c
+++ b/src/main-menu.c
@@ -26,6 +26,16 @@
 #include "output.h"
 #include "util.h"
 
+struct _db_main_menu_button {
+	SDL_Texture                 *texture_text;
+	SDL_Texture                 *texture_over;
+	SDL_Rect                     rect;
+	struct _db_main_menu_button *u;
+	struct _db_main_menu_button *d;
+	struct _db_main_menu_button *l;
+	struct _db_main_menu_button *r;
+};
+
 static SDL_Texture *
 _db_main_menu_text(TTF_Font *font, const char *text, SDL_Color *color,
 		int width, SDL_Renderer *renderer, SDL_Rect *rect)
@@ -56,24 +66,19 @@ _db_main_menu_text(TTF_Font *font, const char *text, SDL_Color *color,
 void
 db_main_menu(void)
 {
-	const char      *games_dir;
-	char            *font_path;
-	SDL_Renderer    *renderer;
-	SDL_Color        text_color;
-	SDL_Color        over_color;
-	SDL_Rect         dest_rect;
-	TTF_Font        *font;
-	SDL_Texture     *texture_title;
-	SDL_Texture     *texture_help_text;
-	SDL_Texture     *texture_help_over;
-	SDL_Texture     *texture_quit_text;
-	SDL_Texture     *texture_quit_over;
-	struct db_game **games;
-	int              n;
-	char            *name_desc;
-	SDL_Texture    **texture_games_text;
-	SDL_Texture    **texture_games_over;
-	int              i;
+	const char                   *games_dir;
+	char                         *font_path;
+	SDL_Renderer                 *renderer;
+	SDL_Color                     text_color;
+	SDL_Color                     over_color;
+	SDL_Rect                      dest_rect;
+	TTF_Font                     *font;
+	SDL_Texture                  *texture_title;
+	struct db_game              **games;
+	int                           n;
+	struct _db_main_menu_button **buttons;
+	char                         *name_desc;
+	int                           i;
 
 	games_dir = db_get_games_dir();
 	font_path = db_strcat(db_get_fonts_dir(), "/UbuntuTitling-Bold.ttf");
@@ -94,12 +99,6 @@ db_main_menu(void)
 	over_color.b = 0xFF;
 	over_color.a = 0xFF;
 
-	n = 0;
-	texture_help_text = NULL;
-	texture_help_over = NULL;
-	texture_quit_text = NULL;
-	texture_quit_over = NULL;
-
 	/* Render title text */
 	font = TTF_OpenFont(font_path, 48);
 	if (font == NULL) {
@@ -125,46 +124,64 @@ db_main_menu(void)
 		return;
 	}
 
-	texture_help_text = _db_main_menu_text(font, "How to Play", &text_color,
-			0, renderer, &dest_rect);
-	if (texture_help_text == NULL) {
+	/* Find games */
+	n = db_games_find(games_dir, &games);
+	buttons = calloc(n + 2, sizeof(*buttons));
+	if (buttons == NULL) {
+		db_err("Failed to allocate memory");
+		goto err;
+	}
+
+	/* Render help button */
+	buttons[0] = malloc(sizeof(**buttons));
+	if (buttons[0] == NULL) {
+		db_err("Failed to allocate memory");
 		goto err;
 	}
-	texture_help_over = _db_main_menu_text(font, "How to Play", &over_color,
-			0, renderer, &dest_rect);
-	if (texture_help_over == NULL) {
+	buttons[0]->texture_text = _db_main_menu_text(font, "How to Play",
+			&text_color, 0, renderer, &buttons[0]->rect);
+	if (buttons[0]->texture_text == NULL) {
 		goto err;
 	}
-	dest_rect.x = 640 - 16 - dest_rect.w;
-	dest_rect.y = 16;
-	SDL_RenderCopy(renderer, texture_help_text, NULL, &dest_rect);
-
-	texture_quit_text = _db_main_menu_text(font, "Quit", &text_color,
-			0, renderer, &dest_rect);
-	if (texture_quit_text == NULL) {
+	buttons[0]->texture_over = _db_main_menu_text(font, "How to Play",
+			&over_color, 0, renderer, &buttons[0]->rect);
+	if (buttons[0]->texture_over == NULL) {
+		goto err;
+	}
+	buttons[0]->rect.x = 640 - 16 - buttons[0]->rect.w;
+	buttons[0]->rect.y = 16;
+	SDL_RenderCopy(renderer, buttons[0]->texture_text, NULL,
+			&buttons[0]->rect);
+
+	/* Render quit button */
+	buttons[1] = malloc(sizeof(**buttons));
+	if (buttons[1] == NULL) {
+		db_err("Failed to allocate memory");
+		goto err;
+	}
+	buttons[1]->texture_text = _db_main_menu_text(font, "Quit",
+			&text_color, 0, renderer, &buttons[1]->rect);
+	if (buttons[1]->texture_text == NULL) {
 		goto err;
 	}
-	texture_quit_over = _db_main_menu_text(font, "Quit", &over_color,
-			0, renderer, &dest_rect);
-	if (texture_quit_over == NULL) {
+	buttons[1]->texture_over = _db_main_menu_text(font, "Quit",
+			&over_color, 0, renderer, &buttons[1]->rect);
+	if (buttons[1]->texture_over == NULL) {
 		goto err;
 	}
-	dest_rect.x = 640 - 16 - dest_rect.w;
-	dest_rect.y = 48;
-	SDL_RenderCopy(renderer, texture_quit_text, NULL, &dest_rect);
+	buttons[1]->rect.x = 640 - 16 - buttons[1]->rect.w;
+	buttons[1]->rect.y = 48;
+	SDL_RenderCopy(renderer, buttons[1]->texture_text, NULL,
+			&buttons[1]->rect);
 
-	/* Find games */
-	n = db_games_find(games_dir, &games);
+	/* Render game buttons */
 	if (n > 0) {
-		texture_games_text = calloc(n, sizeof(*texture_games_text));
-		if (texture_games_text == NULL) {
-			goto err;
-		}
-		texture_games_over = calloc(n, sizeof(*texture_games_over));
-		if (texture_games_over == NULL) {
-			goto err;
-		}
 		for (i = 0; i < n; ++i) {
+			buttons[i + 2] = malloc(sizeof(**buttons));
+			if (buttons[i + 2] == NULL) {
+				db_err("Failed to allocate memory");
+				goto err;
+			}
 			name_desc = malloc((strlen(db_game_get_name(games[i])) +
 						strlen(db_game_get_desc(
 								games[i])) + 2)
@@ -175,22 +192,22 @@ db_main_menu(void)
 			}
 			sprintf(name_desc, "%s\n%s", db_game_get_name(games[i]),
 					db_game_get_desc(games[i]));
-			texture_games_text[i] = _db_main_menu_text(font,
+			buttons[i + 2]->texture_text = _db_main_menu_text(font,
 					name_desc, &text_color, 608, renderer,
 					&dest_rect);
-			if (texture_games_text[i] == NULL) {
+			if (buttons[i + 2]->texture_text == NULL) {
 				free(name_desc);
 				goto err;
 			}
 			dest_rect.x = 16;
-			dest_rect.y = 80 + 48 * i;
-			SDL_RenderCopy(renderer, texture_games_text[i], NULL,
+			dest_rect.y = 80 + 48 * i + 2;
+			SDL_RenderCopy(renderer, buttons[i + 2]->texture_text, NULL,
 					&dest_rect);
-			texture_games_over[i] = _db_main_menu_text(font,
+			buttons[i + 2]->texture_over = _db_main_menu_text(font,
 					name_desc, &over_color, 608, renderer,
 					&dest_rect);
 			free(name_desc);
-			if (texture_games_over[i] == NULL) {
+			if (buttons[i + 2]->texture_over == NULL) {
 				goto err;
 			}
 		}
@@ -208,8 +225,4 @@ db_main_menu(void)
 	}
 	free(font_path);
 	TTF_CloseFont(font);
-	SDL_DestroyTexture(texture_help_text);
-	SDL_DestroyTexture(texture_help_over);
-	SDL_DestroyTexture(texture_quit_text);
-	SDL_DestroyTexture(texture_quit_over);
 }