branch: externals/posframe
commit f7ce74052a53c1434c9f3c1d72815e3ba7c0da67
Author: Feng Shu <tuma...@163.com>
Commit: Feng Shu <tuma...@163.com>
* posframe.el (posframe-parent-frame-poshandler-xwininfo): tiny refact.
---
posframe.el | 37 ++++++++++++++++++++-----------------
1 file changed, 20 insertions(+), 17 deletions(-)
diff --git a/posframe.el b/posframe.el
index 58292e6..5cea285 100644
--- a/posframe.el
+++ b/posframe.el
@@ -1367,23 +1367,26 @@ bottom center. The structure of INFO can be found in
docstring of
(defun posframe-parent-frame-poshandler-xwininfo ()
"Parent frame poshander function.
-Get the position of currentframe with the help of xwininfo."
- (with-temp-buffer
- (let ((case-fold-search nil))
- (call-process shell-file-name nil t nil shell-command-switch
- (format "xwininfo -display %s -id %s"
- (frame-parameter nil 'display)
- (frame-parameter nil 'window-id)))
- (goto-char (point-min))
- (search-forward "\n Absolute")
- (cons (string-to-number
- (buffer-substring-no-properties
- (search-forward "X: ")
- (line-end-position)))
- (string-to-number
- (buffer-substring-no-properties
- (search-forward "Y: ")
- (line-end-position)))))))
+Get the position of parent frame (current frame) with the help of
+xwininfo."
+ (when (executable-find "xwininfo")
+ (with-temp-buffer
+ (let ((case-fold-search nil)
+ (args (format "xwininfo -display %s -id %s"
+ (frame-parameter nil 'display)
+ (frame-parameter nil 'window-id))))
+ (call-process shell-file-name nil t nil shell-command-switch args)
+ (goto-char (point-min))
+ (search-forward "Absolute upper-left")
+ (let ((x (string-to-number
+ (buffer-substring-no-properties
+ (search-forward "X: ")
+ (line-end-position))))
+ (y (string-to-number
+ (buffer-substring-no-properties
+ (search-forward "Y: ")
+ (line-end-position)))))
+ (cons x y))))))
(provide 'posframe)
