rubber band in platform-specific code

[retroray] / src / rtk.c

diff --git a/src/rtk.c b/src/rtk.c
index 4bb93c8..2ed29e9 100644 (file)
--- a/src/rtk.c
+++ b/src/rtk.c
@@ -818,6 +818,31 @@ int rtk_input_mmotion(rtk_widget *w, int x, int y)
        return 0;
 }
 
+void rtk_fix_rect(rtk_rect *rect)
+{
+       int x, y, w, h;
+
+       x = rect->x;
+       y = rect->y;
+
+       if(rect->width < 0) {
+               w = -rect->width;
+               x += rect->width;
+       } else {
+               w = rect->width;
+       }
+       if(rect->height < 0) {
+               h = -rect->height;
+               y += rect->height;
+       } else {
+               h = rect->height;
+       }
+
+       rect->x = x;
+       rect->y = y;
+       rect->width = w;
+       rect->height = h;
+}
 
 void rtk_rect_union(rtk_rect *a, const rtk_rect *b)
 {