floating_fix_coordinates: properly deal with negative positions

diff --git a/src/floating.c b/src/floating.c
index 3b69116988fc8470655e2f24b486486628b1a9c6..b90eac3e3fde78eb1da2ace2796affea5eafd2c7 100644 (file)
--- a/src/floating.c
+++ b/src/floating.c
@@ -607,19 +607,24 @@ void floating_reposition(Con *con, Rect newrect) {
  *
  */
 void floating_fix_coordinates(Con *con, Rect *old_rect, Rect *new_rect) {
-    DLOG("Fixing coordinates of floating window %p\n", con);
+    DLOG("Fixing coordinates of floating window %p (rect (%d, %d), %d x %d)\n",
+         con, con->rect.x, con->rect.y, con->rect.width, con->rect.height);
+    DLOG("old_rect = (%d, %d), %d x %d\n",
+         old_rect->x, old_rect->y, old_rect->width, old_rect->height);
+    DLOG("new_rect = (%d, %d), %d x %d\n",
+         new_rect->x, new_rect->y, new_rect->width, new_rect->height);
     /* First we get the x/y coordinates relative to the x/y coordinates
      * of the output on which the window is on */
-    uint32_t rel_x = (con->rect.x - old_rect->x);
-    uint32_t rel_y = (con->rect.y - old_rect->y);
+    int32_t rel_x = (con->rect.x - old_rect->x);
+    int32_t rel_y = (con->rect.y - old_rect->y);
     /* Then we calculate a fraction, for example 0.63 for a window
      * which is at y = 1212 of a 1920 px high output */
-    double fraction_x = ((double)rel_x / old_rect->width);
-    double fraction_y = ((double)rel_y / old_rect->height);
+    double fraction_x = ((double)rel_x / (int32_t)old_rect->width);
+    double fraction_y = ((double)rel_y / (int32_t)old_rect->height);
     DLOG("rel_x = %d, rel_y = %d, fraction_x = %f, fraction_y = %f, output->w = %d, output->h = %d\n",
          rel_x, rel_y, fraction_x, fraction_y, old_rect->width, old_rect->height);
-    con->rect.x = new_rect->x + (fraction_x * new_rect->width);
-    con->rect.y = new_rect->y + (fraction_y * new_rect->height);
+    con->rect.x = (int32_t)new_rect->x + (fraction_x * (int32_t)new_rect->width);
+    con->rect.y = (int32_t)new_rect->y + (fraction_y * (int32_t)new_rect->height);
     DLOG("Resulting coordinates: x = %d, y = %d\n", con->rect.x, con->rect.y);
 }