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bug#27647: 26.0.50; Line numbers implemented natively disappear momentar
From: |
Noam Postavsky |
Subject: |
bug#27647: 26.0.50; Line numbers implemented natively disappear momentarily when frame out of focus |
Date: |
Wed, 08 Nov 2017 21:49:31 -0500 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/26.0.90 (gnu/linux) |
tags 27647 + patch
quit
Alex <agrambot@gmail.com> writes:
> Alex <agrambot@gmail.com> writes:
>
>> I coincidentally stumbled across an easy recipe for this bug (or at
>> least a similar bug):
>>
>> M-: (setq display-line-numbers t)
>> M-: (setq mouse-drag-and-drop-region t)
>>
>> Then select a region, click on it (mouse-1), and drag the mouse. The
>> line numbers will disappear until you release the mouse.
>>
>> Hopefully you can reproduce this on your end this time, Eli. To be
>> clear, this is with a GTK build.
>
> Sorry, I should have also mentioned that this is indeed only the case
> when x-gtk-use-system-tooltips is non-nil.
Aha, the problem is this condition in should_produce_line_number:
static bool
should_produce_line_number (struct it *it)
{
...
/* Don't display line number in tooltip frames. */
if (FRAMEP (tip_frame) && EQ (WINDOW_FRAME (it->w), tip_frame))
return false;
Which sounds like it would be correct, except that the meaning of
tip_frame is different for GTK tooltips, as explained in x_hide_tip:
static Lisp_Object
x_hide_tip (bool delete)
{
...
#ifdef USE_GTK
{
/* When using system tooltip, tip_frame is the Emacs frame on
which the tip is shown. */
struct frame *f = XFRAME (tip_frame);
Implemented in Fx_show_tip:
DEFUN ("x-show-tip", Fx_show_tip, Sx_show_tip, 1, 6, 0,
...
f = decode_window_system_frame (frame);
...
#ifdef USE_GTK
if (x_gtk_use_system_tooltips)
{
...
/* This is used in Fx_hide_tip. */
XSETFRAME (tip_frame, f);
Leading to the following patch:
>From de99bf6af06aba4659740b8f3d892ff5db5bce03 Mon Sep 17 00:00:00 2001
From: Noam Postavsky <npostavs@gmail.com>
Date: Wed, 8 Nov 2017 21:45:28 -0500
Subject: [PATCH v1] Fix line number display when using gtk tooltips
(Bug#27647)
* src/xdisp.c (should_produce_line_number): Don't check tip_frame when
using gtk tooltips.
---
src/xdisp.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/src/xdisp.c b/src/xdisp.c
index 69b74dc629..3b75811cc3 100644
--- a/src/xdisp.c
+++ b/src/xdisp.c
@@ -21126,7 +21126,8 @@ should_produce_line_number (struct it *it)
#ifdef HAVE_WINDOW_SYSTEM
/* Don't display line number in tooltip frames. */
- if (FRAMEP (tip_frame) && EQ (WINDOW_FRAME (it->w), tip_frame))
+ if (!x_gtk_use_system_tooltips
+ && FRAMEP (tip_frame) && EQ (WINDOW_FRAME (it->w), tip_frame))
return false;
#endif
--
2.11.0
- bug#27647: 26.0.50; Line numbers implemented natively disappear momentarily when frame out of focus, Alex, 2017/11/08
- bug#27647: 26.0.50; Line numbers implemented natively disappear momentarily when frame out of focus, Alex, 2017/11/08
- bug#27647: 26.0.50; Line numbers implemented natively disappear momentarily when frame out of focus,
Noam Postavsky <=
- bug#27647: 26.0.50; Line numbers implemented natively disappear momentarily when frame out of focus, martin rudalics, 2017/11/09
- bug#27647: 26.0.50; Line numbers implemented natively disappear momentarily when frame out of focus, Eli Zaretskii, 2017/11/09
- bug#27647: 26.0.50; Line numbers implemented natively disappear momentarily when frame out of focus, martin rudalics, 2017/11/09
- bug#27647: 26.0.50; Line numbers implemented natively disappear momentarily when frame out of focus, Eli Zaretskii, 2017/11/09
- bug#27647: 26.0.50; Line numbers implemented natively disappear momentarily when frame out of focus, martin rudalics, 2017/11/12
- bug#27647: 26.0.50; Line numbers implemented natively disappear momentarily when frame out of focus, Eli Zaretskii, 2017/11/12
- bug#27647: 26.0.50; Line numbers implemented natively disappear momentarily when frame out of focus, martin rudalics, 2017/11/13
- bug#27647: 26.0.50; Line numbers implemented natively disappear momentarily when frame out of focus, Eli Zaretskii, 2017/11/13
- bug#27647: 26.0.50; Line numbers implemented natively disappear momentarily when frame out of focus, martin rudalics, 2017/11/14
- bug#27647: 26.0.50; Line numbers implemented natively disappear momentarily when frame out of focus, Eli Zaretskii, 2017/11/14