Add render_deco_height()

include/render.h

@@ -21,4 +21,9 @@
  */
 void render_con(Con *con, bool render_fullscreen);
 
+/*
+ * Returns the height for the decorations
+ */
+int render_deco_height(void);
+
 #endif

src/con.c

@@ -1175,7 +1175,7 @@ void con_set_border_style(Con *con, int border_style, int border_width) {
     con->current_border_width = border_width;
     bsr = con_border_style_rect(con);
     int deco_height =
-        (con->border_style == BS_NORMAL ? config.font.height + 5 : 0);
+        (con->border_style == BS_NORMAL ? render_deco_height() : 0);
 
     con->rect.x -= bsr.x;
     con->rect.y -= bsr.y;

src/floating.c

@@ -165,7 +165,7 @@ void floating_enable(Con *con, bool automatic) {
     free(name);
 
     /* find the height for the decorations */
-    int deco_height = config.font.height + 5;
+    int deco_height = render_deco_height();
 
     DLOG("Original rect: (%d, %d) with %d x %d\n", con->rect.x, con->rect.y, con->rect.width, con->rect.height);
     DLOG("Geometry = (%d, %d) with %d x %d\n", con->geometry.x, con->geometry.y, con->geometry.width, con->geometry.height);
@@ -251,7 +251,7 @@ void floating_enable(Con *con, bool automatic) {
     /* 5: Subtract the deco_height in order to make the floating window appear
      * at precisely the position it specified in its original geometry (which
      * is what applications might remember). */
-    deco_height = (con->border_style == BS_NORMAL ? config.font.height + 5 : 0);
+    deco_height = (con->border_style == BS_NORMAL ? render_deco_height() : 0);
     nc->rect.y -= deco_height;
 
     DLOG("Corrected y = %d (deco_height = %d)\n", nc->rect.y, deco_height);

src/render.c

@@ -16,6 +16,16 @@
  * container (for debugging purposes) */
 static bool show_debug_borders = false;
 
+/*
+ * Returns the height for the decorations
+ */
+int render_deco_height(void) {
+    int deco_height = config.font.height + 4;
+    if (config.font.height & 0x01)
+        ++deco_height;
+    return deco_height;
+}
+
 /*
  * Renders a container with layout L_OUTPUT. In this layout, all CT_DOCKAREAs
  * get the height of their content and the remaining CT_CON gets the rest.
@@ -203,9 +213,7 @@ void render_con(Con *con, bool render_fullscreen) {
     }
 
     /* find the height for the decorations */
-    int deco_height = config.font.height + 4;
-    if (config.font.height & 0x01)
-        ++deco_height;
+    int deco_height = render_deco_height();
 
     /* precalculate the sizes to be able to correct rounding errors */
     int sizes[children];