Allow setting flycheck buffer location on screen.

layers/+checkers/syntax-checking/README.org

@@ -15,6 +15,7 @@
   - [[#enable-support-for-traditional-error-navigation][Enable support for traditional error navigation]]
   - [[#bitmaps][Bitmaps]]
   - [[#auto-hide-tooltips][Auto hide tooltips]]
+  - [[#window-position-and-size][Window position and size]]
 - [[#key-bindings][Key bindings]]
 
 * Description
@@ -106,6 +107,21 @@ are kept open until the cursor is moved.
     '((syntax-checking :variables syntax-checking-auto-hide-tooltips 10)))
 #+END_SRC
 
+** Window position and size
+You can set the frame position within the emacs window by setting the variable
+=syntax-checking-window-position=. Available values are ='bottom=, ='left=, ='right=,
+and ='top=. You can also set the initial size by setting =syntax-checking-window-width=
+and =syntax-checking-window-height= for width and height respectively.
+
+#+BEGIN_SRC emacs-lisp
+  (setq-default dotspacemacs-configuration-layers
+    '((syntax-checking :variables
+                       syntax-checking-window-position 'bottom
+                       syntax-checking-window-width 80
+                       syntax-checking-window-height 25)))
+#+END_SRC
+
+
 * Key bindings
 
 | Key binding | Description                                                  |

layers/+checkers/syntax-checking/config.el

@@ -36,7 +36,28 @@
   "If non-nil, use the original bitmaps from flycheck.")
 
 (defvar syntax-checking-use-standard-error-navigation nil
-  "If non-nil hook into emacs standard error navigation")
+  "If non-nil hook into emacs standard error navigation.")
 
-;; Command Prefixes
+(defvar syntax-checking-window-position 'bottom
+  "Popup window position. Default: 'bottom.")
 
+(defvar syntax-checking-window-width 80
+  "Popup window width in characters.")
+
+(defvar syntax-checking-window-height 25
+  "Popup window height in characters.")
+
+
+;; internals
+
+;; for syntax checking window position
+
+(defvar syntax-checking-buffer-config
+  `("^\\*Flycheck.+\\*$"
+    :regexp t
+    :dedicated t
+    :position ,syntax-checking-window-position
+    :width ,syntax-checking-window-width
+    :height ,syntax-checking-window-height
+    :stick t
+    :noselect t))

layers/+checkers/syntax-checking/packages.el

@@ -120,10 +120,5 @@
 (defun syntax-checking/pre-init-popwin ()
   (spacemacs|use-package-add-hook popwin
     :post-config
-    (push '("^\\*Flycheck.+\\*$"
-            :regexp t
-            :dedicated t
-            :position bottom
-            :stick t
-            :noselect t)
+    (push syntax-checking-buffer-config
           popwin:special-display-config)))