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wayland/xdg-shell: Add support implicit popup moving

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This sets the `is_reactive` flag on the window placement rules, causing
the popups to be reconfigured as they are affected by environmental
changes, such as the parent moving in a way making the popup partially
offscreen.

As with synchronization, the implementation is dormant, as the
version of the advertised global isn't bumped yet, as the new protocol
version is not yet fully implemented.

https://gitlab.gnome.org/GNOME/mutter/merge_requests/705
This commit is contained in:
Jonas Ådahl 2020-02-14 11:11:10 +01:00 committed by Carlos Garnacho
parent d08a8de265
commit 5c37f5104e
2 changed files with 15 additions and 1 deletions
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2
meson.build
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@ -43,7 +43,7 @@ gudev_req = '>= 232'
# wayland version requirements
wayland_server_req = '>= 1.13.0'
wayland_protocols_req = '>= 1.18'
wayland_protocols_req = '>= 1.19'
# native backend version requirements
libinput_req = '>= 1.7'

14
src/wayland/meta-wayland-xdg-shell.c
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@ -66,6 +66,8 @@ typedef struct _MetaWaylandXdgPositioner
uint32_t constraint_adjustment;
int32_t offset_x;
int32_t offset_y;
gboolean is_reactive;
} MetaWaylandXdgPositioner;
typedef struct _MetaWaylandXdgSurfaceConstructor
@ -1913,6 +1915,8 @@ meta_wayland_xdg_positioner_to_placement (MetaWaylandXdgPositioner *xdg_position
.width = xdg_positioner->width,
.height = xdg_positioner->height,
.is_reactive = xdg_positioner->is_reactive,
.parent_rect = parent_rect,
};
}
@ -2037,6 +2041,15 @@ xdg_positioner_set_offset (struct wl_client *client,
positioner->offset_y = y;
}
static void
xdg_positioner_set_reactive (struct wl_client *client,
struct wl_resource *resource)
{
MetaWaylandXdgPositioner *positioner = wl_resource_get_user_data (resource);
positioner->is_reactive = TRUE;
}
static const struct xdg_positioner_interface meta_wayland_xdg_positioner_interface = {
xdg_positioner_destroy,
xdg_positioner_set_size,
@ -2045,6 +2058,7 @@ static const struct xdg_positioner_interface meta_wayland_xdg_positioner_interfa
xdg_positioner_set_gravity,
xdg_positioner_set_constraint_adjustment,
xdg_positioner_set_offset,
xdg_positioner_set_reactive,
};
static void