added handling of unselectable selectbox options

[rocksndiamonds.git] / src / libgame / gadgets.c

diff --git a/src/libgame/gadgets.c b/src/libgame/gadgets.c
index 9c974b872ed91f485820fe4378e17478f19b9fd0..1c52ec5d422e5ce591426280d792a62af9871c49 100644 (file)
--- a/src/libgame/gadgets.c
+++ b/src/libgame/gadgets.c
@@ -26,6 +26,13 @@
 
 #define GADGET_DEACTIVATED(g)  ((g)->x < 0 || (g)->y < 0)
 
+#define OPTION_TEXT_SELECTABLE(g, t)                                   \
+  (t[0] != g->selectbox.char_unselectable &&                           \
+   t[0] != '\0' &&                                                     \
+   !strEqual(t, " "))
+#define CURRENT_OPTION_SELECTABLE(g)                                   \
+  OPTION_TEXT_SELECTABLE(g, g->selectbox.options[g->selectbox.current_index].text)
+
 
 static struct GadgetInfo *gadget_list_first_entry = NULL;
 static struct GadgetInfo *gadget_list_last_entry = NULL;
@@ -404,7 +411,8 @@ static void DrawGadget(struct GadgetInfo *gi, boolean pressed, boolean direct)
       {
        int i;
        char text[MAX_GADGET_TEXTSIZE + 1];
-       int font_nr = (pressed ? gi->font_active : gi->font);
+       int font_nr_default = (pressed ? gi->font_active : gi->font);
+       int font_nr = font_nr_default;
        int font_width = getFontWidth(font_nr);
        int font_height = getFontHeight(font_nr);
        int border_x = gi->border.xsize;
@@ -441,6 +449,10 @@ static void DrawGadget(struct GadgetInfo *gi, boolean pressed, boolean direct)
                gi->selectbox.size);
        text[gi->selectbox.size] = '\0';
 
+       /* set font value */
+       font_nr = (OPTION_TEXT_SELECTABLE(gi, text) ? font_nr_default :
+                  gi->font_unselectable);
+
        /* gadget text value */
        DrawTextExt(drawto, gi->x + border_x, gi->y + border_y, text,
                    font_nr, BLIT_MASKED);
@@ -549,7 +561,11 @@ static void DrawGadget(struct GadgetInfo *gi, boolean pressed, boolean direct)
            strncpy(text, gi->selectbox.options[i].text, gi->selectbox.size);
            text[gi->selectbox.size] = '\0';
 
-           if (i == gi->selectbox.current_index)
+           font_nr = (OPTION_TEXT_SELECTABLE(gi, text) ? font_nr_default :
+                      gi->font_unselectable);
+
+           if (i == gi->selectbox.current_index &&
+               OPTION_TEXT_SELECTABLE(gi, text))
            {
              FillRectangle(drawto,
                            gi->selectbox.x + border_x,
@@ -873,12 +889,18 @@ static void HandleGadgetTags(struct GadgetInfo *gi, int first_tag, va_list ap)
        gi->font = va_arg(ap, int);
        if (gi->font_active == 0)
          gi->font_active = gi->font;
+       if (gi->font_unselectable == 0)
+         gi->font_unselectable = gi->font;
        break;
 
       case GDI_TEXT_FONT_ACTIVE:
        gi->font_active = va_arg(ap, int);
        break;
 
+      case GDI_TEXT_FONT_UNSELECTABLE:
+       gi->font_unselectable = va_arg(ap, int);
+       break;
+
       case GDI_SELECTBOX_OPTIONS:
        gi->selectbox.options = va_arg(ap, struct ValueTextInfo *);
        break;
@@ -887,6 +909,10 @@ static void HandleGadgetTags(struct GadgetInfo *gi, int first_tag, va_list ap)
        gi->selectbox.index = va_arg(ap, int);
        break;
 
+      case GDI_SELECTBOX_CHAR_UNSELECTABLE:
+       gi->selectbox.char_unselectable = (char)va_arg(ap, int);
+       break;
+
       case GDI_DESIGN_UNPRESSED:
        gi->design[GD_BUTTON_UNPRESSED].bitmap = va_arg(ap, Bitmap *);
        gi->design[GD_BUTTON_UNPRESSED].x = va_arg(ap, int);
@@ -1591,7 +1617,8 @@ boolean HandleGadgets(int mx, int my, int button)
     if (gi->type & GD_TYPE_SELECTBOX &&
        (keep_selectbox_open ||
         mouse_released_where_pressed ||
-        !gadget_released_inside_select_area))       /* selectbox stays open */
+        !gadget_released_inside_select_area ||
+        !CURRENT_OPTION_SELECTABLE(gi)))           /* selectbox stays open */
     {
       gi->selectbox.stay_open = TRUE;
       pressed_mx = 0;
@@ -1949,7 +1976,8 @@ boolean HandleGadgets(int mx, int my, int button)
     {
       if (keep_selectbox_open ||
          mouse_released_where_pressed ||
-         !gadget_released_inside_select_area)       /* selectbox stays open */
+         !gadget_released_inside_select_area ||
+         !CURRENT_OPTION_SELECTABLE(gi))           /* selectbox stays open */
       {
        deactivate_gadget = FALSE;
        gadget_changed = FALSE;