From: Andy Moreton <andrewjmoreton@gmail.com>
To: 21173@debbugs.gnu.org
Subject: bug#21173: 25.0.50; New frames positioned off screen with multiple monitors
Date: Tue, 27 Oct 2015 21:53:23 +0000 [thread overview]
Message-ID: <86h9lcou5o.fsf@gmail.com> (raw)
In-Reply-To: <874mkjadqx.fsf@gmail.com>
[-- Attachment #1: Type: text/plain, Size: 641 bytes --]
On Thu 22 Oct 2015, martin rudalics wrote:
>> This patch fixes the problem for me under Windows. Many thanks to Andy
>> Moreton! Since Andy reports that negative X offsets also happen under
>> the X Window system, should this also be fixed in function
>> x_calc_absolute_position in src/term.c?
>
> Thanks for testing, Francis. AFAICT nobody reported a similar problem
> on X so far. So Andy please resend us your patch as attachment and
> provide some suitable ChangeLog entry and I will install it (unless you
> can already do that yourself).
>
> Thanks, martin
Hopefully this reply includes a suiteably formatted patch.
AndyM
[-- Warning: decoded text below may be mangled, UTF-8 assumed --]
[-- Attachment #2: multimon patch --]
[-- Type: text/x-patch, Size: 2273 bytes --]
From 7aa74f58b14061493dda5a23256eaf4e4af405c4 Mon Sep 17 00:00:00 2001
From: Andy Moreton <andrewjmoreton@gmail.com>
Date: Tue, 27 Oct 2015 21:47:06 +0000
Subject: [PATCH] Fix frame position with multiple monitors (Bug#21173)
* src/w32term.c (x_calc_absolute_position): Find display origin to
allow for negative coordinates.
---
src/w32term.c | 33 +++++++++++++++++++++++++++++++++
1 file changed, 33 insertions(+)
diff --git a/src/w32term.c b/src/w32term.c
index 831786726792..fb4135830708 100644
--- a/src/w32term.c
+++ b/src/w32term.c
@@ -5913,16 +5913,49 @@ x_calc_absolute_position (struct frame *f)
top_bottom_borders_height = 32;
}
+ /* With multiple monitors, we can legitimately get negative
+ coordinates (for monitors above or to the left of the primary
+ monitor). Find the display origin to ensure negative positions
+ are computed correctly (Bug#21173). */
+ int display_left = 0;
+ int display_top = 0;
+ if (flags & (XNegative | YNegative))
+ {
+ Lisp_Object list;
+
+ list = Fw32_display_monitor_attributes_list (FRAME_X_DISPLAY (f));
+ while (CONSP (list))
+ {
+ Lisp_Object attributes = CAR(list);
+ Lisp_Object geometry;
+ Lisp_Object monitor_left, monitor_top;
+
+ list = CDR(list);
+
+ geometry = Fassoc (Qgeometry, attributes);
+ if (!NILP (geometry))
+ {
+ monitor_left = Fnth (make_number (1), geometry);
+ monitor_top = Fnth (make_number (2), geometry);
+
+ display_left = min (display_left, XINT (monitor_left));
+ display_top = min (display_top, XINT (monitor_top));
+ }
+ }
+ }
+
/* Treat negative positions as relative to the rightmost bottommost
position that fits on the screen. */
if (flags & XNegative)
f->left_pos = (x_display_pixel_width (FRAME_DISPLAY_INFO (f))
+ + display_left
- FRAME_PIXEL_WIDTH (f)
+ f->left_pos
- (left_right_borders_width - 1));
if (flags & YNegative)
f->top_pos = (x_display_pixel_height (FRAME_DISPLAY_INFO (f))
+ + display_top
- FRAME_PIXEL_HEIGHT (f)
+ f->top_pos
- (top_bottom_borders_height - 1));
--
2.5.3
next prev parent reply other threads:[~2015-10-27 21:53 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-08-01 3:28 bug#21173: 25.0.50; New frames positioned off screen with multiple monitors Francis Litterio
2015-08-01 10:51 ` martin rudalics
2015-08-01 15:03 ` Francis Litterio
2015-08-01 15:49 ` martin rudalics
2015-08-01 16:59 ` Francis Litterio
2015-08-03 6:47 ` martin rudalics
2015-08-03 20:35 ` Andy Moreton
2015-08-03 21:12 ` Glenn Morris
2015-08-04 16:31 ` Fran Litterio
2015-09-08 22:26 ` Andy Moreton
2015-10-06 7:57 ` martin rudalics
2015-10-07 16:50 ` Fran
2015-10-21 18:57 ` Francis Litterio
2015-10-21 23:37 ` Andy Moreton
2015-10-22 6:39 ` martin rudalics
2015-10-27 21:53 ` Andy Moreton [this message]
2015-10-28 9:55 ` martin rudalics
2015-10-28 14:13 ` Andy Moreton
2015-10-28 15:52 ` Eli Zaretskii
2015-10-28 17:25 ` Andy Moreton
2015-10-28 18:08 ` Eli Zaretskii
2015-10-28 19:21 ` martin rudalics
2015-10-28 19:39 ` Andy Moreton
2015-10-29 7:57 ` martin rudalics
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
List information: https://www.gnu.org/software/emacs/
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=86h9lcou5o.fsf@gmail.com \
--to=andrewjmoreton@gmail.com \
--cc=21173@debbugs.gnu.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
Code repositories for project(s) associated with this public inbox
https://git.savannah.gnu.org/cgit/emacs.git
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).