I think the fix is:
--- a/gdk/mir/gdkmireventsource.c
+++ b/gdk/mir/gdkmireventsource.c
@@ -311,7 +313,7 @@ handle_motion_event (GdkWindow *window, const
MirMotionEvent *event)
case mir_motion_action_up:
event_type = event->action == mir_motion_action_down ? GDK_BUTTON_PRESS
: GDK_BUTTON_RELEASE;
changed_button_state = button_state ^ event->button_state;
- if ((changed_button_state & mir_motion_button_primary) != 0)
+ if (changed_button_state == 0 || (changed_button_state &
mir_motion_button_primary) != 0)
generate_button_event (window, event_type, x, y, GDK_BUTTON_PRIMARY,
modifier_state);
if ((changed_button_state & mir_motion_button_secondary) != 0)
generate_button_event (window, event_type, x, y, GDK_BUTTON_SECONDARY,
modifier_state);
I'm EOD - will pick this up tomorrow unless someone else wants to look
at it.
** Also affects: gtk+3.0 (Ubuntu Utopic)
Importance: Undecided
Status: New
** Also affects: gtk+3.0 (Ubuntu Vivid)
Importance: High
Assignee: Robert Ancell (robert-ancell)
Status: Triaged
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Touch seeded packages, which is subscribed to gtk+3.0 in Ubuntu.
https://bugs.launchpad.net/bugs/1388875
Title:
[gtk-mir-backend] Clicking seems to confuse GTK (or the shell)
Status in “gtk+3.0” package in Ubuntu:
Triaged
Status in “gtk+3.0” source package in Utopic:
New
Status in “gtk+3.0” source package in Vivid:
Triaged
Bug description:
Using utopic or current vivid, clicking on buttons/menubar in gtk
application under unity8-mir leads to not working softwares.
Not sure if that's the GTK backend or Mir to blame
Small example attached, the program has a button and a label, click on the
button should display "clicked!".
Under unity8 the button seems to stop reacting after the first click and
sometime the program closes
(compile with "gcc button.c -o button`pkgconfig --cflags --libs
gtk+-3.0`", to run it you need to have a .desktop running the binary
and including the X-Ubuntu-Touch=true key)
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/gtk+3.0/+bug/1388875/+subscriptions
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