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window: Implement single-touch window dragging

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On X11 this works because only emulated pointer events are listened for. On
wayland, the single touch behavior must be enforced in touch events, ignoring
every other sequence.

https://bugzilla.gnome.org/show_bug.cgi?id=733631
This commit is contained in:
Carlos Garnacho 2014-07-22 01:17:40 +02:00
parent 41fdc4ac2e
commit f28f5dc0b6
1 changed files with 18 additions and 0 deletions
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18
src/core/window.c
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@ -6121,6 +6121,7 @@ gboolean
meta_window_handle_mouse_grab_op_event (MetaWindow *window,
const ClutterEvent *event)
{
ClutterEventSequence *sequence = clutter_event_get_event_sequence (event);
ClutterModifierType modifier_state;
gfloat x, y;
@ -6141,6 +6142,12 @@ meta_window_handle_mouse_grab_op_event (MetaWindow *window,
}
return TRUE;
case CLUTTER_TOUCH_END:
if (meta_display_is_pointer_emulating_sequence (window->display, sequence))
end_grab_op (window, event);
return TRUE;
case CLUTTER_BUTTON_RELEASE:
if (event->button.button == 1 ||
event->button.button == (unsigned int) meta_prefs_get_mouse_button_resize ())
@ -6150,6 +6157,17 @@ meta_window_handle_mouse_grab_op_event (MetaWindow *window,
}
return TRUE;
case CLUTTER_TOUCH_BEGIN:
/* This will only catch the keybinding and menu cases, just deal with this
* like a CLUTTER_TOUCH_UPDATE rather than a CLUTTER_BUTTON_PRESS, and
* wait until CLUTTER_TOUCH_END to undo the grab, just so the window
* doesn't warp below the finger and remain there.
*/
case CLUTTER_TOUCH_UPDATE:
if (!meta_display_is_pointer_emulating_sequence (window->display, sequence))
return FALSE;
/* Fall through */
case CLUTTER_MOTION:
modifier_state = clutter_event_get_state (event);
clutter_event_get_coords (event, &x, &y);