Make dragged piece for excluding moves transparent

[xboard.git] / xboard.c

diff --git a/xboard.c b/xboard.c
index 6d8f18c..84a4170 100644 (file)
--- a/xboard.c
+++ b/xboard.c
@@ -2858,6 +2858,22 @@ DrawOneSquare (int x, int y, ChessSquare piece, int square_color, int marker, ch
        if (appData.monoMode) {
            XDrawImageString(xDisplay, xBoardWindow, hGC, xx, yy, string, 1);
        } else {
+           if(*appData.pngDirectory) {
+               cairo_t *cr = cairo_create (csBoardWindow);
+               cairo_select_font_face (cr, "Sans",
+                           CAIRO_FONT_SLANT_NORMAL,
+                           CAIRO_FONT_WEIGHT_BOLD);
+
+               cairo_set_font_size (cr, squareSize/4);
+
+               cairo_move_to (cr, xx-1, yy);
+               if(align < 3) cairo_set_source_rgb (cr, 0.0, 0.0, 0.0);
+               else          cairo_set_source_rgb (cr, 1.0, 1.0, 1.0);
+               cairo_show_text (cr, string);
+
+               /* free memory */
+               cairo_destroy (cr);
+           } else
            XDrawString(xDisplay, xBoardWindow, hGC, xx, yy, string, 1);
        }
     }
@@ -3038,10 +3054,8 @@ void DrawSeekText(char *buf, int x, int y)
     cairo_set_font_size (cr, 12.0);
 
     cairo_move_to (cr, x, y+4);
-    cairo_show_text( cr, buf);
-
     cairo_set_source_rgba(cr, 0, 0, 0,1.0);
-    cairo_stroke(cr);
+    cairo_show_text( cr, buf);
 
     /* free memory */
     cairo_destroy (cr);
@@ -4090,13 +4104,15 @@ CairoOverlayPiece (ChessSquare piece, cairo_surface_t *dest)
   static ChessSquare oldPiece = -1;
   static int oldSize;
   static cairo_t *pieceSource;
+  extern int doubleClick; // in backend.c
   if(piece != oldPiece || squareSize != oldSize) { // try make it faster by only changing cr if we need other piece
     if(pieceSource) cairo_destroy (pieceSource);
     pieceSource = cairo_create (dest);
     cairo_set_source_surface (pieceSource, pngPieceBitmaps[!White(piece)][piece % BlackPawn], 0, 0);
     oldPiece = piece; oldSize = squareSize;
   }
-  cairo_paint(pieceSource);
+  if(doubleClick) cairo_paint_with_alpha (pieceSource, 0.6);
+  else cairo_paint(pieceSource);
 }
 
 void