Make GenericPopUp() more readable by using more named flags instead of numerals

[xboard.git] / backend.h

diff --git a/backend.h b/backend.h
index f0d5816..b93f81c 100644 (file)
--- a/backend.h
+++ b/backend.h
@@ -319,13 +319,17 @@ int Explode P((Board board, int fromX, int fromY, int toX, int toY));
 typedef enum { CheckBox, ComboBox, TextBox, Button, Spin, ResetButton, SaveButton,
                 FileName, PathName, Slider, Message, Fractional, Label, Break, EndMark } Control;
 
-/* Flags for Option.min: */             
-#define COMBO_CALLBACK (1 << 0)
-#define NO_GETTEXT     (1 << 1)
-                
+/* Flags Option.min used for ComboBox: */
+#define COMBO_CALLBACK (1 << 0)
+#define NO_GETTEXT     (1 << 1)
+
+/* Flags for Option.min used for Button, SaveButton, EndMark: */
+#define SAME_ROW       (1 << 0)
+#define NO_OK          (1 << 1)
+
 typedef struct _OPT {   // [HGM] options: descriptor of UCI-style option
     int value;          // current setting, starts as default
-    int min;           // Also used for flags with ComboBox
+    int min;           // Also used for flags
     int max;
     void *handle;       // for use by front end
     void *target;       // for use by front end