# HG changeset patch
# User Michael Pavone <pavone@retrodev.com>
# Date 1490151410 25200
# Node ID a719e2c98b54c1af5378f505df190b1745f4d661
# Parent  72ea3885e7b5a9bc6676f7f4e4279df5b79d5d2c
Allow variables in screenshot_path like initial_path

diff -r 72ea3885e7b5 -r a719e2c98b54 default.cfg
--- a/default.cfg	Tue Mar 21 19:48:08 2017 -0700
+++ b/default.cfg	Tue Mar 21 19:56:50 2017 -0700
@@ -200,7 +200,8 @@
 	#starting path for ROM browsing, accepts special variables $HOME, $EXEDIR
 	#and variables defined in the OS environment
 	initial_path $HOME
-	#screenshot_path defaults to the user's home/profile directory if not specified
+	#path for storing internal screenshots, accepts the same variables as initial_path
+	screenshot_path $HOME
 	#see strftime for the format specifiers valid in screenshot_template
 	screenshot_template blastem_%c.ppm
 }
diff -r 72ea3885e7b5 -r a719e2c98b54 io.c
--- a/io.c	Tue Mar 21 19:48:08 2017 -0700
+++ b/io.c	Tue Mar 21 19:56:50 2017 -0700
@@ -496,8 +496,12 @@
 		case UI_SCREENSHOT: {
 			char *screenshot_base = tern_find_path(config, "ui\0screenshot_path\0").ptrval;
 			if (!screenshot_base) {
-				screenshot_base = get_home_dir();
+				screenshot_base = "$HOME";
 			}
+			tern_node *vars = tern_insert_ptr(NULL, "HOME", get_home_dir());
+			vars = tern_insert_ptr(vars, "EXEDIR", get_exe_dir());
+			screenshot_base = replace_vars(screenshot_base, vars, 1);
+			tern_free(vars);
 			time_t now = time(NULL);
 			struct tm local_store;
 			char fname_part[256];
@@ -508,6 +512,7 @@
 			strftime(fname_part, sizeof(fname_part), template, localtime_r(&now, &local_store));
 			char const *parts[] = {screenshot_base, PATH_SEP, fname_part};
 			char *path = alloc_concat_m(3, parts);
+			free(screenshot_base);
 			render_save_screenshot(path);
 			break;
 		}