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master 35f9e0f: Fix flicker when setting hscroll of xwidget
From: |
Lars Ingebrigtsen |
Subject: |
master 35f9e0f: Fix flicker when setting hscroll of xwidget |
Date: |
Mon, 8 Nov 2021 23:07:12 -0500 (EST) |
branch: master
commit 35f9e0f46975c35ffec494a46dedf03304ca9da1
Author: Po Lu <luangruo@yahoo.com>
Commit: Lars Ingebrigtsen <larsi@gnus.org>
Fix flicker when setting hscroll of xwidget
* src/xterm.c (x_scroll_run): Use original height of xwidget instead
of window height and set cairo surface size (bug#51697).
---
src/xterm.c | 24 ++++++++++++++----------
1 file changed, 14 insertions(+), 10 deletions(-)
diff --git a/src/xterm.c b/src/xterm.c
index 1fb3d8d..172abe9 100644
--- a/src/xterm.c
+++ b/src/xterm.c
@@ -4408,7 +4408,7 @@ x_scroll_run (struct window *w, struct run *run)
Window child = children[i];
struct xwidget_view *view = xwidget_view_from_window (child);
- if (view)
+ if (view && !view->hidden)
{
int window_y = view->y + view->clip_top;
int window_height = view->clip_bottom - view->clip_top;
@@ -4445,16 +4445,14 @@ x_scroll_run (struct window *w, struct run *run)
view->y = y;
clip_top = 0;
- clip_bottom = window_height;
+ clip_bottom = XXWIDGET (view->model)->height;
if (y < text_area_y)
clip_top = text_area_y - y;
- if ((y + clip_top + window_height)
- > (text_area_y + text_area_height))
+ if ((y + clip_bottom) > (text_area_y + text_area_height))
{
- clip_bottom -= (y + clip_top + window_height)
- - (text_area_y + text_area_height);
+ clip_bottom -= (y + clip_bottom) - (text_area_y +
text_area_height);
}
view->clip_top = clip_top;
@@ -4468,10 +4466,16 @@ x_scroll_run (struct window *w, struct run *run)
XUnmapWindow (dpy, child);
}
else
- XMoveResizeWindow (dpy, child, view->x + view->clip_left,
- view->y + view->clip_top,
- view->clip_right - view->clip_left,
- view->clip_bottom - view->clip_top);
+ {
+ XMoveResizeWindow (dpy, child, view->x + view->clip_left,
+ view->y + view->clip_top,
+ view->clip_right - view->clip_left,
+ view->clip_bottom - view->clip_top);
+ cairo_xlib_surface_set_size (view->cr_surface,
+ view->clip_right -
view->clip_left,
+ view->clip_bottom -
view->clip_top);
+ }
+ xwidget_expose (view);
XFlush (dpy);
}
}
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