Set default keys for input on first run.

We use the following key input if the config `vbam.ini` does not exist:

input  | keyboard
A      | A
B      | S
L      | Q
R      | W
SELECT | Z
START  | X

We also set a joystick default, using the XBOX 360 controller as a
base.

- Fix #463.

src/wx/opts.cpp

@@ -144,8 +144,8 @@ const wxString joynames[NUM_KEYS] = {
 
 wxJoyKeyBinding defkeys_keyboard[NUM_KEYS] = {
     WJKB(WXK_UP), WJKB(WXK_DOWN), WJKB(WXK_LEFT), WJKB(WXK_RIGHT),
-    WJKB(wxT('Z')), WJKB(wxT('X')), WJKB(wxT('A')), WJKB(wxT('S')),
+    WJKB(wxT('A')), WJKB(wxT('S')), WJKB(wxT('Q')), WJKB(wxT('W')),
-    WJKB(wxT('C')), WJKB(wxT('V')),
+    WJKB(wxT('Z')), WJKB(wxT('X')),
     WJKB(0), WJKB(0), WJKB(0), WJKB(0),
     WJKB(0), WJKB(0), WJKB(0), WJKB(0),
     WJKB(WXK_SPACE), WJKB(0), WJKB(0)
@@ -153,8 +153,8 @@ wxJoyKeyBinding defkeys_keyboard[NUM_KEYS] = {
 
 wxJoyKeyBinding defkeys_joystick[NUM_KEYS] = {
     WJKB(1, WXJB_AXIS_MINUS, 1), WJKB(1, WXJB_AXIS_PLUS, 1), WJKB(0, WXJB_AXIS_MINUS, 1), WJKB(0, WXJB_AXIS_PLUS, 1),
-    WJKB(0, WXJB_BUTTON, 1), WJKB(1, WXJB_BUTTON, 1), WJKB(2, WXJB_BUTTON, 1), WJKB(3, WXJB_BUTTON, 1),
+    WJKB(0, WXJB_BUTTON, 1), WJKB(1, WXJB_BUTTON, 1), WJKB(4, WXJB_BUTTON, 1), WJKB(5, WXJB_BUTTON, 1),
-    WJKB(4, WXJB_BUTTON, 1), WJKB(5, WXJB_BUTTON, 1),
+    WJKB(6, WXJB_BUTTON, 1), WJKB(7, WXJB_BUTTON, 1),
     WJKB(0), WJKB(0), WJKB(0), WJKB(0),
     WJKB(0), WJKB(0), WJKB(0), WJKB(0),
     WJKB(0), WJKB(0), WJKB(0)
@@ -346,13 +346,6 @@ opts_t::opts_t()
     bilinear = true;
     default_stick = 1;
 
-    for (int i = 0; i < NUM_KEYS; i++) {
-        if (defkeys_keyboard[i].key)
-            joykey_bindings[0][i].push_back(defkeys_keyboard[i]);
-        if (defkeys_joystick[i].key)
-            joykey_bindings[0][i].push_back(defkeys_joystick[i]);
-    }
-
     recent = new wxFileHistory(10);
     autofire_rate = 1;
     print_auto_page = true;
@@ -368,6 +361,17 @@ bool opt_lt(const opt_desc& opt1, const opt_desc& opt2)
     return wxStrcmp(opt1.opt, opt2.opt) < 0;
 }
 
+// set default input keys
+void set_default_keys()
+{
+    for (int i = 0; i < NUM_KEYS; i++) {
+        if (defkeys_keyboard[i].key)
+            gopts.joykey_bindings[0][i].push_back(defkeys_keyboard[i]);
+        if (defkeys_joystick[i].joy)
+            gopts.joykey_bindings[0][i].push_back(defkeys_joystick[i]);
+    }
+}
+
 // FIXME: simulate MakeInstanceFilename(vbam.ini) using subkeys (Slave%d/*)
 void load_opts()
 {

src/wx/opts.h

@@ -115,6 +115,8 @@ extern const int num_opts;
 extern const wxAcceleratorEntry default_accels[];
 extern const int num_def_accels;
 
+// call to setup default keys.
+void set_default_keys();
 // call to load config (once)
 // will write defaults for options not present and delete bad opts
 // will also initialize opts[] array translations

src/wx/wxvbam.cpp

@@ -165,6 +165,8 @@ wxString wxvbamApp::GetConfigurationPath()
                 break;
             }
         }
+        // use default keys for input.
+        set_default_keys();
     }
 
     return data_path;
@@ -488,7 +490,7 @@ void wxvbamApp::OnInitCmdLine(wxCmdLineParser& cl)
             N_("Print configuration path and exit"),
 	    wxCMD_LINE_VAL_NONE, 0 },
         { wxCMD_LINE_SWITCH, t("f"), t("fullscreen"),
-            N_("Start in full-screen mode"), 
+            N_("Start in full-screen mode"),
 	    wxCMD_LINE_VAL_NONE, 0 },
 #if !defined(NO_LINK) && !defined(__WXMSW__)
         { wxCMD_LINE_SWITCH, t("s"), t("delete-shared-state"),