Forbid undo of new-game if it would change the params.

[sgt-puzzles.git] / emcc.c

diff --git a/emcc.c b/emcc.c
index e25fdf86dd633bc9e0d69179b0e136b52209c134..23ab333f5db0cb58b7579b10b9f974d4e45f9c95 100644 (file)
--- a/emcc.c
+++ b/emcc.c
@@ -310,6 +310,8 @@ void key(int keycode, int charcode, const char *key, const char *chr,
         keyevent = MOD_NUM_KEYPAD | '7';
     } else if (!strnullcmp(key, "PageUp") || keycode==33) {
         keyevent = MOD_NUM_KEYPAD | '9';
+    } else if (shift && ctrl && (keycode & 0x1F) == 26) {
+        keyevent = UI_REDO;
     } else if (chr && chr[0] && !chr[1]) {
         keyevent = chr[0] & 0xFF;
     } else if (keycode >= 96 && keycode < 106) {
@@ -323,10 +325,10 @@ void key(int keycode, int charcode, const char *key, const char *chr,
     }
 
     if (keyevent >= 0) {
-        if (shift && keyevent >= 0x100)
+        if (shift && (keyevent >= 0x100 && !IS_UI_FAKE_KEY(keyevent)))
             keyevent |= MOD_SHFT;
 
-        if (ctrl) {
+        if (ctrl && !IS_UI_FAKE_KEY(keyevent)) {
             if (keyevent >= 0x100)
                 keyevent |= MOD_CTRL;
             else
@@ -725,7 +727,7 @@ void command(int n)
         update_undo_redo();
         break;
       case 5:                          /* New Game */
-        midend_process_key(me, 0, 0, 'n');
+        midend_process_key(me, 0, 0, UI_NEWGAME);
         update_undo_redo();
         js_focus_canvas();
         break;
@@ -735,12 +737,12 @@ void command(int n)
         js_focus_canvas();
         break;
       case 7:                          /* Undo */
-        midend_process_key(me, 0, 0, 'u');
+        midend_process_key(me, 0, 0, UI_UNDO);
         update_undo_redo();
         js_focus_canvas();
         break;
       case 8:                          /* Redo */
-        midend_process_key(me, 0, 0, 'r');
+        midend_process_key(me, 0, 0, UI_REDO);
         update_undo_redo();
         js_focus_canvas();
         break;