setup: Save selected game when browsing menus.

Once a game type (IWAD) has been selected, remember that selection
rather than resetting to the first item in the list when the window is
closed and reopened. This fixes #169 (thanks Alexandre Xavier).

1 files changed, 9 insertions, 3 deletions

diff --git a/src/setup/multiplayer.c b/src/setup/multiplayer.c
index 35552349..8b461066 100644
--- a/src/setup/multiplayer.c
+++ b/src/setup/multiplayer.c
@@ -66,7 +66,7 @@ static char *iwad_labels[8];
 
 // Index of the currently selected IWAD
 
-static int found_iwad_selected;
+static int found_iwad_selected = -1;
 
 // Filename to pass to '-iwad'.
 
@@ -599,9 +599,15 @@ static txt_widget_t *IWADSelector(void)
         result = (txt_widget_t *) dropdown;
     }
 
-    // Select first in the list.
+    // The first time the dialog is opened, found_iwad_selected=-1,
+    // so select the first IWAD in the list. Don't lose the setting
+    // if we close and reopen the dialog.
+
+    if (found_iwad_selected < 0 || found_iwad_selected >= num_iwads)
+    {
+        found_iwad_selected = 0;
+    }
 
-    found_iwad_selected = 0;
     IWADSelected(NULL, NULL);
 
     return result;