66cfbf03c9
- For already mapped windows, the window drag session is started
straight away;
- For about-to-be-mapped window (ie: undocking window use case):
- The "shown" signal for the dragged window triggers the actual
MetaWindowDrag once it's mapped.
- MetaWindowWayland now handles the case of toplevel-drag and position
the window about to be mapped according to the toplevel-drag
parameters.
- While attached to a toplevel-drag, the window state is updated to:
- Actor's "reactive" state is set to false, which in practice excludes
it from the possible drag target list;
- WindowActor's "tied to drag" state is set to true, which results in
initial placement constraints to be skipped, so newly created
(detached) windows can be freely dragged around.
- Toplevel drag session ends upon:
- dnd drop and cancellation.
- xdg_toplevel_drag_v1 object destruction (client-side).
- data source destruction.
Status:
- [x] Basic window drag triggering
- [x] Exclude the dragged window from event targets
- [x] Event forwarding (window drag vs wayland grabs)
- [x] Offset calc relative to toplevel geometry
- [x] Attach already mapped windows
- [x] Properly support not-yet-mapped windows
- [ ] Disable visibility change animations
- [ ] Dnd events stream adaptations
Signed-off-by: Nick Diego Yamane <nickdiego@igalia.com>
Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/4107>
55 lines
1.6 KiB
C
55 lines
1.6 KiB
C
/*
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* Copyright (C) 2024 Igalia, S.L.
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*
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* Author: Nick Yamane <nickdiego@igalia.com>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#pragma once
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#include <glib.h>
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#include <stdint.h>
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#include "compositor/meta-window-drag.h"
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#include "mtk/mtk.h"
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#include "wayland/meta-wayland-types.h"
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#include "wayland/meta-wayland-data-source.h"
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struct _MetaWaylandToplevelDrag
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{
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struct wl_resource *resource;
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MetaWaylandDataSource *data_source;
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MetaWaylandSurface *dragged_surface;
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int32_t x_offset, y_offset;
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MetaWindowDrag *window_drag;
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gulong window_unmanaging_handler_id;
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gulong window_shown_handler_id;
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gulong drag_ended_handler_id;
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gulong source_destroyed_handler_id;
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};
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void
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meta_wayland_init_toplevel_drag (MetaWaylandCompositor *compositor);
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gboolean
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meta_wayland_toplevel_drag_calc_origin_for_dragged_window (MetaWaylandToplevelDrag *drag,
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MtkRectangle *bounds_out);
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void
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meta_wayland_toplevel_drag_end (MetaWaylandToplevelDrag *drag);
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