Negative values may now be passed to init_win() for sizes in negative relation to...

[plomrogue] / src / windows.c

diff --git a/src/windows.c b/src/windows.c
index 48d17f0589c310fd99cb2c832a3f55b711ece916..efba9190ecbce74ef7f2a3cf703075534689af15 100644 (file)
--- a/src/windows.c
+++ b/src/windows.c
@@ -389,7 +389,7 @@ extern uint8_t init_win_meta(WINDOW * screen, struct WinMeta * wmeta)
 
 
 extern struct Win init_win(struct WinMeta * wmeta, char * title,
-                           uint16_t height, uint16_t width,
+                           int16_t height, int16_t width,
                            void * data, void * func)
 {
     struct Win w;
@@ -399,18 +399,26 @@ extern struct Win init_win(struct WinMeta * wmeta, char * title,
     w._title            = title;
     w.data              = data;
     w._draw             = func;
-    if (width > 0)
+    if      (0 < width)
     {
         w.frame.size.x = width;
     }
+    else if (0 > width)
+    {
+        w.frame.size.x = wmeta->padframe.size.x + width;
+    }
     else
     {
         w.frame.size.x = wmeta->padframe.size.x;
     }
-    if (height > 0 && height <= wmeta->padframe.size.y - 1)
+    if      (0 < height && height <= wmeta->padframe.size.y - 1)
     {
         w.frame.size.y = height;
     }
+    else if (0 > height && wmeta->padframe.size.y + (height - 1) > 0)
+    {
+        w.frame.size.y = wmeta->padframe.size.y + (height - 1);
+    }
     else
     {
         w.frame.size.y = wmeta->padframe.size.y - 1;