/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */ /* * Copyright (C) 2014 Red Hat * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of the * License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA * 02111-1307, USA. * * Written by: * Jasper St. Pierre */ #include "config.h" #include "wayland/meta-window-wayland.h" #include #include #include "backends/meta-backend-private.h" #include "backends/meta-backend-private.h" #include "backends/meta-logical-monitor.h" #include "compositor/meta-surface-actor-wayland.h" #include "compositor/meta-window-actor-private.h" #include "core/boxes-private.h" #include "core/stack-tracker.h" #include "core/window-private.h" #include "meta/meta-x11-errors.h" #include "wayland/meta-wayland-actor-surface.h" #include "wayland/meta-wayland-private.h" #include "wayland/meta-wayland-surface.h" #include "wayland/meta-wayland-window-configuration.h" #include "wayland/meta-wayland-xdg-shell.h" enum { PROP_0, PROP_SURFACE, PROP_LAST }; static GParamSpec *obj_props[PROP_LAST]; struct _MetaWindowWayland { MetaWindow parent; int geometry_scale; MetaWaylandSurface *surface; GList *pending_configurations; gboolean has_pending_state_change; gboolean has_last_sent_configuration; MetaRectangle last_sent_rect; int last_sent_rel_x; int last_sent_rel_y; int last_sent_geometry_scale; MetaGravity last_sent_gravity; MetaWaylandWindowConfiguration *last_acked_configuration; gboolean has_been_shown; }; struct _MetaWindowWaylandClass { MetaWindowClass parent_class; }; G_DEFINE_TYPE (MetaWindowWayland, meta_window_wayland, META_TYPE_WINDOW) static void set_geometry_scale_for_window (MetaWindowWayland *wl_window, int geometry_scale) { MetaWindowActor *window_actor; wl_window->geometry_scale = geometry_scale; window_actor = meta_window_actor_from_window (META_WINDOW (wl_window)); if (window_actor) meta_window_actor_set_geometry_scale (window_actor, geometry_scale); } static int get_window_geometry_scale_for_logical_monitor (MetaLogicalMonitor *logical_monitor) { MetaMonitor *monitor = meta_logical_monitor_get_monitors (logical_monitor)->data; MetaBackend *backend = meta_monitor_get_backend (monitor); if (meta_backend_is_stage_views_scaled (backend)) return 1; else return meta_logical_monitor_get_scale (logical_monitor); } static void meta_window_wayland_manage (MetaWindow *window) { MetaWindowWayland *wl_window = META_WINDOW_WAYLAND (window); MetaDisplay *display = window->display; wl_window->geometry_scale = meta_window_wayland_get_geometry_scale (window); meta_display_register_wayland_window (display, window); { meta_stack_tracker_record_add (window->display->stack_tracker, window->stamp, 0); } meta_wayland_surface_window_managed (wl_window->surface, window); } static void meta_window_wayland_unmanage (MetaWindow *window) { { meta_stack_tracker_record_remove (window->display->stack_tracker, window->stamp, 0); } meta_display_unregister_wayland_window (window->display, window); } static void meta_window_wayland_ping (MetaWindow *window, guint32 serial) { MetaWindowWayland *wl_window = META_WINDOW_WAYLAND (window); meta_wayland_surface_ping (wl_window->surface, serial); } static void meta_window_wayland_delete (MetaWindow *window, guint32 timestamp) { MetaWindowWayland *wl_window = META_WINDOW_WAYLAND (window); meta_wayland_surface_delete (wl_window->surface); } static void meta_window_wayland_kill (MetaWindow *window) { MetaWaylandSurface *surface = meta_window_get_wayland_surface (window); struct wl_resource *resource; resource = surface->resource; if (!resource) return; /* Send the client an unrecoverable error to kill the client. */ wl_resource_post_error (resource, WL_DISPLAY_ERROR_NO_MEMORY, "User requested that we kill you. Sorry. Don't take it too personally."); } static void meta_window_wayland_focus (MetaWindow *window, guint32 timestamp) { if (meta_window_is_focusable (window)) { meta_display_set_input_focus (window->display, window, FALSE, timestamp); } } static void meta_window_wayland_configure (MetaWindowWayland *wl_window, MetaWaylandWindowConfiguration *configuration) { meta_wayland_surface_configure_notify (wl_window->surface, configuration); wl_window->pending_configurations = g_list_prepend (wl_window->pending_configurations, configuration); } static void surface_state_changed (MetaWindow *window) { MetaWindowWayland *wl_window = META_WINDOW_WAYLAND (window); MetaWaylandWindowConfiguration *configuration; int bounds_width; int bounds_height; /* don't send notify when the window is being unmanaged */ if (window->unmanaging) return; g_return_if_fail (wl_window->has_last_sent_configuration); if (!meta_window_calculate_bounds (window, &bounds_width, &bounds_height)) { bounds_width = 0; bounds_height = 0; } configuration = meta_wayland_window_configuration_new (window, wl_window->last_sent_rect, bounds_width, bounds_height, wl_window->last_sent_geometry_scale, META_MOVE_RESIZE_STATE_CHANGED, wl_window->last_sent_gravity); meta_window_wayland_configure (wl_window, configuration); } static void meta_window_wayland_grab_op_began (MetaWindow *window, MetaGrabOp op) { if (meta_grab_op_is_resizing (op)) surface_state_changed (window); META_WINDOW_CLASS (meta_window_wayland_parent_class)->grab_op_began (window, op); } static void meta_window_wayland_grab_op_ended (MetaWindow *window, MetaGrabOp op) { if (meta_grab_op_is_resizing (op)) surface_state_changed (window); META_WINDOW_CLASS (meta_window_wayland_parent_class)->grab_op_ended (window, op); } static void meta_window_wayland_move_resize_internal (MetaWindow *window, MetaGravity gravity, MetaRectangle unconstrained_rect, MetaRectangle constrained_rect, MetaRectangle temporary_rect, int rel_x, int rel_y, MetaMoveResizeFlags flags, MetaMoveResizeResultFlags *result) { MetaWindowWayland *wl_window = META_WINDOW_WAYLAND (window); gboolean can_move_now = FALSE; MetaRectangle configured_rect; int geometry_scale; int new_x; int new_y; int new_buffer_x; int new_buffer_y; g_assert (window->frame == NULL); /* don't do anything if we're dropping the window, see #751847 */ if (window->unmanaging) return; configured_rect.x = constrained_rect.x; configured_rect.y = constrained_rect.y; /* The scale the window is drawn in might change depending on what monitor it * is mainly on. Scale the configured rectangle to be in logical pixel * coordinate space so that we can have a scale independent size to pass * to the Wayland surface. */ geometry_scale = meta_window_wayland_get_geometry_scale (window); configured_rect.width = constrained_rect.width; configured_rect.height = constrained_rect.height; /* The size is determined by the client, except when the client is explicitly * fullscreen, in which case the compositor compensates for the size * difference between what surface configuration the client provided, and the * size of the area a fullscreen window state is expected to fill. * * For non-explicit-fullscreen states, since the size is always determined by * the client, the we cannot use the size calculated by the constraints. */ if (flags & META_MOVE_RESIZE_FORCE_MOVE) { can_move_now = TRUE; } else if (flags & META_MOVE_RESIZE_WAYLAND_FINISH_MOVE_RESIZE) { MetaWaylandWindowConfiguration *configuration; int new_width, new_height; configuration = wl_window->last_acked_configuration; if (configuration && configuration->is_fullscreen) { new_width = constrained_rect.width; new_height = constrained_rect.height; } else { new_width = unconstrained_rect.width; new_height = unconstrained_rect.height; } if (window->rect.width != new_width || window->rect.height != new_height) { *result |= META_MOVE_RESIZE_RESULT_RESIZED; window->rect.width = new_width; window->rect.height = new_height; } window->buffer_rect.width = window->rect.width + window->custom_frame_extents.left + window->custom_frame_extents.right; window->buffer_rect.height = window->rect.height + window->custom_frame_extents.top + window->custom_frame_extents.bottom; /* This is a commit of an attach. We should move the window to match the * new position the client wants. */ can_move_now = TRUE; if (window->placement.state == META_PLACEMENT_STATE_CONSTRAINED_CONFIGURED) window->placement.state = META_PLACEMENT_STATE_CONSTRAINED_FINISHED; } else { if (window->placement.rule) { switch (window->placement.state) { case META_PLACEMENT_STATE_UNCONSTRAINED: case META_PLACEMENT_STATE_CONSTRAINED_CONFIGURED: case META_PLACEMENT_STATE_INVALIDATED: can_move_now = FALSE; break; case META_PLACEMENT_STATE_CONSTRAINED_PENDING: { if (flags & META_MOVE_RESIZE_PLACEMENT_CHANGED || rel_x != wl_window->last_sent_rel_x || rel_y != wl_window->last_sent_rel_y || constrained_rect.width != window->rect.width || constrained_rect.height != window->rect.height) { MetaWaylandWindowConfiguration *configuration; configuration = meta_wayland_window_configuration_new_relative (window, rel_x, rel_y, configured_rect.width, configured_rect.height, geometry_scale); meta_window_wayland_configure (wl_window, configuration); wl_window->last_sent_rel_x = rel_x; wl_window->last_sent_rel_y = rel_y; window->placement.state = META_PLACEMENT_STATE_CONSTRAINED_CONFIGURED; can_move_now = FALSE; } else { window->placement.state = META_PLACEMENT_STATE_CONSTRAINED_FINISHED; can_move_now = TRUE; } break; } case META_PLACEMENT_STATE_CONSTRAINED_FINISHED: can_move_now = TRUE; break; } } else if (constrained_rect.width != window->rect.width || constrained_rect.height != window->rect.height || flags & META_MOVE_RESIZE_STATE_CHANGED) { MetaWaylandWindowConfiguration *configuration; int bounds_width; int bounds_height; if (!meta_wayland_surface_get_buffer (wl_window->surface) && !META_WINDOW_MAXIMIZED (window) && window->tile_mode == META_TILE_NONE && !meta_window_is_fullscreen (window)) return; if (!meta_window_calculate_bounds (window, &bounds_width, &bounds_height)) { bounds_width = 0; bounds_height = 0; } configuration = meta_wayland_window_configuration_new (window, configured_rect, bounds_width, bounds_height, geometry_scale, flags, gravity); meta_window_wayland_configure (wl_window, configuration); can_move_now = FALSE; } else { can_move_now = TRUE; } } wl_window->has_last_sent_configuration = TRUE; wl_window->last_sent_rect = configured_rect; wl_window->last_sent_geometry_scale = geometry_scale; wl_window->last_sent_gravity = gravity; if (can_move_now) { new_x = constrained_rect.x; new_y = constrained_rect.y; } else { new_x = temporary_rect.x; new_y = temporary_rect.y; wl_window->has_pending_state_change |= !!(flags & META_MOVE_RESIZE_STATE_CHANGED); } if (new_x != window->rect.x || new_y != window->rect.y) { *result |= META_MOVE_RESIZE_RESULT_MOVED; window->rect.x = new_x; window->rect.y = new_y; } if (window->placement.rule && window->placement.state == META_PLACEMENT_STATE_CONSTRAINED_FINISHED) { window->placement.current.rel_x = rel_x; window->placement.current.rel_y = rel_y; } new_buffer_x = new_x - window->custom_frame_extents.left; new_buffer_y = new_y - window->custom_frame_extents.top; if (new_buffer_x != window->buffer_rect.x || new_buffer_y != window->buffer_rect.y) { *result |= META_MOVE_RESIZE_RESULT_MOVED; window->buffer_rect.x = new_buffer_x; window->buffer_rect.y = new_buffer_y; } if (can_move_now && flags & META_MOVE_RESIZE_WAYLAND_STATE_CHANGED) *result |= META_MOVE_RESIZE_RESULT_STATE_CHANGED; } static void scale_size (int *width, int *height, float scale) { if (*width < G_MAXINT) { float new_width = (*width * scale); *width = (int) MIN (new_width, G_MAXINT); } if (*height < G_MAXINT) { float new_height = (*height * scale); *height = (int) MIN (new_height, G_MAXINT); } } static void scale_rect_size (MetaRectangle *rect, float scale) { scale_size (&rect->width, &rect->height, scale); } static void meta_window_wayland_update_main_monitor (MetaWindow *window, MetaWindowUpdateMonitorFlags flags) { MetaBackend *backend = meta_get_backend (); MetaMonitorManager *monitor_manager = meta_backend_get_monitor_manager (backend); MetaWindowWayland *wl_window = META_WINDOW_WAYLAND (window); MetaWindow *toplevel_window; MetaLogicalMonitor *from; MetaLogicalMonitor *to; MetaLogicalMonitor *scaled_new; float from_scale, to_scale; float scale; MetaRectangle rect; from = window->monitor; /* If the window is not a toplevel window (i.e. it's a popup window) just use * the monitor of the toplevel. */ toplevel_window = meta_wayland_surface_get_toplevel_window (wl_window->surface); if (toplevel_window != window) { meta_window_update_monitor (toplevel_window, flags); window->monitor = toplevel_window->monitor; return; } if (window->rect.width == 0 || window->rect.height == 0) { window->monitor = meta_window_find_monitor_from_id (window); return; } /* Require both the current and the new monitor would be the new main monitor, * even given the resulting scale the window would end up having. This is * needed to avoid jumping back and forth between the new and the old, since * changing main monitor may cause the window to be resized so that it no * longer have that same new main monitor. */ to = meta_window_find_monitor_from_frame_rect (window); if (from == to) return; if (from == NULL || to == NULL) { window->monitor = to; return; } if (flags & META_WINDOW_UPDATE_MONITOR_FLAGS_FORCE) { window->monitor = to; return; } from_scale = meta_logical_monitor_get_scale (from); to_scale = meta_logical_monitor_get_scale (to); if (from_scale == to_scale) { window->monitor = to; return; } if (meta_backend_is_stage_views_scaled (backend)) { window->monitor = to; return; } /* To avoid a window alternating between two main monitors because scaling * changes the main monitor, wait until both the current and the new scale * will result in the same main monitor. */ scale = to_scale / from_scale; rect = window->rect; scale_rect_size (&rect, scale); scaled_new = meta_monitor_manager_get_logical_monitor_from_rect (monitor_manager, &rect); if (to != scaled_new) return; window->monitor = to; } static void meta_window_wayland_main_monitor_changed (MetaWindow *window, const MetaLogicalMonitor *old) { MetaWindowWayland *wl_window = META_WINDOW_WAYLAND (window); int old_geometry_scale = wl_window->geometry_scale; int geometry_scale; float scale_factor; MetaWaylandSurface *surface; if (!window->monitor) return; geometry_scale = meta_window_wayland_get_geometry_scale (window); /* This function makes sure that window geometry, window actor geometry and * surface actor geometry gets set according the old and current main monitor * scale. If there either is no past or current main monitor, or if the scale * didn't change, there is nothing to do. */ if (old == NULL || window->monitor == NULL || old_geometry_scale == geometry_scale) return; /* MetaWindow keeps its rectangles in the physical pixel coordinate space. * When the main monitor of a window changes, it can cause the corresponding * window surfaces to be scaled given the monitor scale, so we need to scale * the rectangles in MetaWindow accordingly. */ scale_factor = (float) geometry_scale / old_geometry_scale; /* Window size. */ scale_rect_size (&window->rect, scale_factor); scale_rect_size (&window->unconstrained_rect, scale_factor); scale_rect_size (&window->saved_rect, scale_factor); scale_size (&window->size_hints.min_width, &window->size_hints.min_height, scale_factor); scale_size (&window->size_hints.max_width, &window->size_hints.max_height, scale_factor); /* Window geometry offset (XXX: Need a better place, see * meta_window_wayland_finish_move_resize). */ window->custom_frame_extents.left = (int)(scale_factor * window->custom_frame_extents.left); window->custom_frame_extents.top = (int)(scale_factor * window->custom_frame_extents.top); window->custom_frame_extents.right = (int)(scale_factor * window->custom_frame_extents.right); window->custom_frame_extents.bottom = (int)(scale_factor * window->custom_frame_extents.bottom); /* Buffer rect. */ scale_rect_size (&window->buffer_rect, scale_factor); window->buffer_rect.x = window->rect.x - window->custom_frame_extents.left; window->buffer_rect.y = window->rect.y - window->custom_frame_extents.top; meta_compositor_sync_window_geometry (window->display->compositor, window, TRUE); surface = wl_window->surface; if (surface) { MetaWaylandActorSurface *actor_surface = META_WAYLAND_ACTOR_SURFACE (surface->role); meta_wayland_actor_surface_sync_actor_state (actor_surface); } set_geometry_scale_for_window (wl_window, geometry_scale); meta_window_emit_size_changed (window); } static pid_t meta_window_wayland_get_client_pid (MetaWindow *window) { MetaWaylandSurface *surface = meta_window_get_wayland_surface (window); struct wl_resource *resource; pid_t pid; resource = surface->resource; if (!resource) return 0; wl_client_get_credentials (wl_resource_get_client (resource), &pid, NULL, NULL); return pid; } static void appears_focused_changed (GObject *object, GParamSpec *pspec, gpointer user_data) { MetaWindow *window = META_WINDOW (object); if (window->placement.rule) return; surface_state_changed (window); } static void on_window_shown (MetaWindow *window) { MetaWindowWayland *wl_window = META_WINDOW_WAYLAND (window); gboolean has_been_shown; has_been_shown = wl_window->has_been_shown; wl_window->has_been_shown = TRUE; if (!has_been_shown) meta_compositor_sync_updates_frozen (window->display->compositor, window); } static void meta_window_wayland_init (MetaWindowWayland *wl_window) { MetaWindow *window = META_WINDOW (wl_window); wl_window->geometry_scale = 1; g_signal_connect (window, "notify::appears-focused", G_CALLBACK (appears_focused_changed), NULL); g_signal_connect (window, "shown", G_CALLBACK (on_window_shown), NULL); } static void meta_window_wayland_force_restore_shortcuts (MetaWindow *window, ClutterInputDevice *source) { MetaWaylandCompositor *compositor = meta_wayland_compositor_get_default (); meta_wayland_compositor_restore_shortcuts (compositor, source); } static gboolean meta_window_wayland_shortcuts_inhibited (MetaWindow *window, ClutterInputDevice *source) { MetaWaylandCompositor *compositor = meta_wayland_compositor_get_default (); return meta_wayland_compositor_is_shortcuts_inhibited (compositor, source); } static gboolean meta_window_wayland_is_focusable (MetaWindow *window) { return window->input; } static gboolean meta_window_wayland_can_ping (MetaWindow *window) { return TRUE; } static gboolean meta_window_wayland_is_stackable (MetaWindow *window) { MetaWindowWayland *wl_window = META_WINDOW_WAYLAND (window); return meta_wayland_surface_get_buffer (wl_window->surface) != NULL; } static gboolean meta_window_wayland_are_updates_frozen (MetaWindow *window) { MetaWindowWayland *wl_window = META_WINDOW_WAYLAND (window); return !wl_window->has_been_shown; } static gboolean meta_window_wayland_is_focus_async (MetaWindow *window) { return FALSE; } static MetaWaylandSurface * meta_window_wayland_get_wayland_surface (MetaWindow *window) { MetaWindowWayland *wl_window = META_WINDOW_WAYLAND (window); return wl_window->surface; } static MetaStackLayer meta_window_wayland_calculate_layer (MetaWindow *window) { return meta_window_get_default_layer (window); } static void meta_window_wayland_map (MetaWindow *window) { } static void meta_window_wayland_unmap (MetaWindow *window) { } static void meta_window_wayland_constructed (GObject *object) { MetaWindow *window = META_WINDOW (object); window->client_type = META_WINDOW_CLIENT_TYPE_WAYLAND; window->override_redirect = FALSE; window->rect.x = 0; window->rect.y = 0; window->rect.width = 0; window->rect.height = 0; /* size_hints are the "request" */ window->size_hints.x = 0; window->size_hints.y = 0; window->size_hints.width = 0; window->size_hints.height = 0; window->depth = 24; window->xvisual = NULL; window->mapped = FALSE; window->decorated = FALSE; window->hidden = TRUE; G_OBJECT_CLASS (meta_window_wayland_parent_class)->constructed (object); } static void meta_window_wayland_finalize (GObject *object) { MetaWindowWayland *wl_window = META_WINDOW_WAYLAND (object); g_clear_pointer (&wl_window->last_acked_configuration, meta_wayland_window_configuration_free); g_list_free_full (wl_window->pending_configurations, (GDestroyNotify) meta_wayland_window_configuration_free); G_OBJECT_CLASS (meta_window_wayland_parent_class)->finalize (object); } static void meta_window_wayland_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec) { MetaWindowWayland *window = META_WINDOW_WAYLAND (object); switch (prop_id) { case PROP_SURFACE: g_value_set_object (value, window->surface); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } } static void meta_window_wayland_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec) { MetaWindowWayland *window = META_WINDOW_WAYLAND (object); switch (prop_id) { case PROP_SURFACE: window->surface = g_value_get_object (value); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } } static void meta_window_wayland_class_init (MetaWindowWaylandClass *klass) { GObjectClass *object_class = G_OBJECT_CLASS (klass); MetaWindowClass *window_class = META_WINDOW_CLASS (klass); object_class->finalize = meta_window_wayland_finalize; object_class->get_property = meta_window_wayland_get_property; object_class->set_property = meta_window_wayland_set_property; object_class->constructed = meta_window_wayland_constructed; window_class->manage = meta_window_wayland_manage; window_class->unmanage = meta_window_wayland_unmanage; window_class->ping = meta_window_wayland_ping; window_class->delete = meta_window_wayland_delete; window_class->kill = meta_window_wayland_kill; window_class->focus = meta_window_wayland_focus; window_class->grab_op_began = meta_window_wayland_grab_op_began; window_class->grab_op_ended = meta_window_wayland_grab_op_ended; window_class->move_resize_internal = meta_window_wayland_move_resize_internal; window_class->update_main_monitor = meta_window_wayland_update_main_monitor; window_class->main_monitor_changed = meta_window_wayland_main_monitor_changed; window_class->get_client_pid = meta_window_wayland_get_client_pid; window_class->force_restore_shortcuts = meta_window_wayland_force_restore_shortcuts; window_class->shortcuts_inhibited = meta_window_wayland_shortcuts_inhibited; window_class->is_focusable = meta_window_wayland_is_focusable; window_class->is_stackable = meta_window_wayland_is_stackable; window_class->can_ping = meta_window_wayland_can_ping; window_class->are_updates_frozen = meta_window_wayland_are_updates_frozen; window_class->calculate_layer = meta_window_wayland_calculate_layer; window_class->map = meta_window_wayland_map; window_class->unmap = meta_window_wayland_unmap; window_class->is_focus_async = meta_window_wayland_is_focus_async; window_class->get_wayland_surface = meta_window_wayland_get_wayland_surface; obj_props[PROP_SURFACE] = g_param_spec_object ("surface", "Surface", "The corresponding Wayland surface", META_TYPE_WAYLAND_SURFACE, G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE); g_object_class_install_properties (object_class, PROP_LAST, obj_props); } MetaWindow * meta_window_wayland_new (MetaDisplay *display, MetaWaylandSurface *surface) { MetaWindowWayland *wl_window; MetaWindow *window; window = g_initable_new (META_TYPE_WINDOW_WAYLAND, NULL, NULL, "display", display, "effect", META_COMP_EFFECT_CREATE, "surface", surface, NULL); wl_window = META_WINDOW_WAYLAND (window); set_geometry_scale_for_window (wl_window, wl_window->geometry_scale); return window; } MetaWaylandWindowConfiguration * meta_window_wayland_peek_configuration (MetaWindowWayland *wl_window, uint32_t serial) { GList *l; for (l = wl_window->pending_configurations; l; l = l->next) { MetaWaylandWindowConfiguration *configuration = l->data; if (configuration->serial == serial) return configuration; } return NULL; } static MetaWaylandWindowConfiguration * acquire_acked_configuration (MetaWindowWayland *wl_window, MetaWaylandSurfaceState *pending, gboolean *is_client_resize) { GList *l; gboolean has_pending_resize = FALSE; /* There can be 3 different cases where a resizing configurations can be found * in the list of pending configurations. We consider resizes in any of these * cases to be requested by the server: * 1. Acked serial is resizing. This is obviously a server requested resize. * 2. Acked serial is larger than the serial of a pending resizing * configuration. This means there was a server requested resize in the * past that has not been acked yet. This covers cases such as a resizing * configure followed by a status change configure before the client had * time to ack the former. * 3. Acked serial is smaller than the serial of a pending resizing * configuration. This means there will be a server requested resize in the * future. In this case we want to avoid marking this as a client resize, * because it will change in the future again anyway and considering it * a client resize could trigger another move_resize on the server due to * enforcing constraints based on an already outdated size. */ for (l = wl_window->pending_configurations; l; l = l->next) { MetaWaylandWindowConfiguration *configuration = l->data; if (configuration->is_resizing) { has_pending_resize = TRUE; break; } } *is_client_resize = !has_pending_resize; if (!pending->has_acked_configure_serial) return NULL; for (l = wl_window->pending_configurations; l; l = l->next) { MetaWaylandWindowConfiguration *configuration = l->data; GList *tail; gboolean is_matching_configuration; if (configuration->serial > pending->acked_configure_serial) continue; tail = l; if (tail->prev) { tail->prev->next = NULL; tail->prev = NULL; } else { wl_window->pending_configurations = NULL; } is_matching_configuration = configuration->serial == pending->acked_configure_serial; if (is_matching_configuration) tail = g_list_delete_link (tail, l); g_list_free_full (tail, (GDestroyNotify) meta_wayland_window_configuration_free); if (is_matching_configuration) return configuration; else return NULL; } return NULL; } gboolean meta_window_wayland_is_resize (MetaWindowWayland *wl_window, int width, int height) { int old_width; int old_height; if (wl_window->pending_configurations) { old_width = wl_window->last_sent_rect.width; old_height = wl_window->last_sent_rect.height; } else { MetaWindow *window = META_WINDOW (wl_window); old_width = window->rect.width; old_height = window->rect.height; } return !wl_window->has_last_sent_configuration || old_width != width || old_height != height; } int meta_window_wayland_get_geometry_scale (MetaWindow *window) { if (!window->monitor) return 1; return get_window_geometry_scale_for_logical_monitor (window->monitor); } static void calculate_position (MetaWaylandWindowConfiguration *configuration, MetaRectangle *geometry, MetaRectangle *rect) { int offset_x; int offset_y; rect->x = configuration->x; rect->y = configuration->y; offset_x = configuration->width - geometry->width; offset_y = configuration->height - geometry->height; switch (configuration->gravity) { case META_GRAVITY_SOUTH: case META_GRAVITY_SOUTH_WEST: rect->y += offset_y; break; case META_GRAVITY_EAST: case META_GRAVITY_NORTH_EAST: rect->x += offset_x; break; case META_GRAVITY_SOUTH_EAST: rect->x += offset_x; rect->y += offset_y; break; default: break; } } /** * meta_window_move_resize_wayland: * * Complete a resize operation from a wayland client. */ void meta_window_wayland_finish_move_resize (MetaWindow *window, MetaRectangle new_geom, MetaWaylandSurfaceState *pending) { MetaWindowWayland *wl_window = META_WINDOW_WAYLAND (window); MetaDisplay *display = window->display; MetaWaylandSurface *surface = wl_window->surface; int dx, dy; int geometry_scale; MetaGravity gravity; MetaRectangle rect; MetaMoveResizeFlags flags; MetaWaylandWindowConfiguration *acked_configuration; gboolean is_window_being_resized; gboolean is_client_resize; /* new_geom is in the logical pixel coordinate space, but MetaWindow wants its * rects to represent what in turn will end up on the stage, i.e. we need to * scale new_geom to physical pixels given what buffer scale and texture scale * is in use. */ acked_configuration = acquire_acked_configuration (wl_window, pending, &is_client_resize); if (acked_configuration) geometry_scale = acked_configuration->scale; else geometry_scale = meta_window_wayland_get_geometry_scale (window); new_geom.x *= geometry_scale; new_geom.y *= geometry_scale; new_geom.width *= geometry_scale; new_geom.height *= geometry_scale; /* The (dx, dy) offset is also in logical pixel coordinate space and needs * to be scaled in the same way as new_geom. */ dx = pending->dx * geometry_scale; dy = pending->dy * geometry_scale; /* XXX: Find a better place to store the window geometry offsets. */ if (meta_wayland_surface_get_buffer (surface)) { window->custom_frame_extents.left = new_geom.x; window->custom_frame_extents.top = new_geom.y; window->custom_frame_extents.right = meta_wayland_surface_get_width (surface) * geometry_scale - new_geom.x - new_geom.width; window->custom_frame_extents.bottom = meta_wayland_surface_get_height (surface) * geometry_scale - new_geom.y - new_geom.height; } else { window->custom_frame_extents = (GtkBorder) { 0 }; } flags = META_MOVE_RESIZE_WAYLAND_FINISH_MOVE_RESIZE; /* x/y are ignored when we're doing interactive resizing */ is_window_being_resized = (meta_grab_op_is_resizing (display->grab_op) && display->grab_window == window); rect = (MetaRectangle) { .x = window->rect.x, .y = window->rect.y, .width = new_geom.width, .height = new_geom.height }; if (!is_window_being_resized) { if (acked_configuration) { if (window->placement.rule) { MetaWindow *parent; parent = meta_window_get_transient_for (window); rect.x = parent->rect.x + acked_configuration->rel_x; rect.y = parent->rect.y + acked_configuration->rel_y; } else { if (acked_configuration->is_fullscreen) flags |= META_MOVE_RESIZE_CONSTRAIN; if (acked_configuration->has_position) calculate_position (acked_configuration, &new_geom, &rect); } } } else { if (acked_configuration && acked_configuration->has_position) calculate_position (acked_configuration, &new_geom, &rect); } rect.x += dx; rect.y += dy; if (rect.x != window->rect.x || rect.y != window->rect.y) flags |= META_MOVE_RESIZE_MOVE_ACTION; if (wl_window->has_pending_state_change && acked_configuration) { flags |= META_MOVE_RESIZE_WAYLAND_STATE_CHANGED; wl_window->has_pending_state_change = FALSE; } if (rect.width != window->rect.width || rect.height != window->rect.height) { flags |= META_MOVE_RESIZE_RESIZE_ACTION; if (is_client_resize) flags |= META_MOVE_RESIZE_WAYLAND_CLIENT_RESIZE; } g_clear_pointer (&wl_window->last_acked_configuration, meta_wayland_window_configuration_free); wl_window->last_acked_configuration = g_steal_pointer (&acked_configuration); if (window->display->grab_window == window) gravity = meta_resize_gravity_from_grab_op (window->display->grab_op); else gravity = META_GRAVITY_STATIC; meta_window_move_resize_internal (window, flags, gravity, rect); } void meta_window_wayland_place_relative_to (MetaWindow *window, MetaWindow *other, int x, int y) { int geometry_scale; /* If there is no monitor, we can't position the window reliably. */ if (!other->monitor) return; geometry_scale = meta_window_wayland_get_geometry_scale (other); meta_window_move_frame (window, FALSE, other->buffer_rect.x + (x * geometry_scale), other->buffer_rect.y + (y * geometry_scale)); window->placed = TRUE; } void meta_window_place_with_placement_rule (MetaWindow *window, MetaPlacementRule *placement_rule) { gboolean first_placement; first_placement = !window->placement.rule; g_clear_pointer (&window->placement.rule, g_free); window->placement.rule = g_new0 (MetaPlacementRule, 1); *window->placement.rule = *placement_rule; window->unconstrained_rect.x = window->rect.x; window->unconstrained_rect.y = window->rect.y; window->unconstrained_rect.width = placement_rule->width; window->unconstrained_rect.height = placement_rule->height; window->calc_placement = first_placement; meta_window_move_resize_internal (window, (META_MOVE_RESIZE_MOVE_ACTION | META_MOVE_RESIZE_RESIZE_ACTION | META_MOVE_RESIZE_PLACEMENT_CHANGED | META_MOVE_RESIZE_CONSTRAIN), META_GRAVITY_NORTH_WEST, window->unconstrained_rect); window->calc_placement = FALSE; } void meta_window_update_placement_rule (MetaWindow *window, MetaPlacementRule *placement_rule) { window->placement.state = META_PLACEMENT_STATE_INVALIDATED; meta_window_place_with_placement_rule (window, placement_rule); } void meta_window_wayland_set_min_size (MetaWindow *window, int width, int height) { gint64 new_width, new_height; float scale; meta_topic (META_DEBUG_GEOMETRY, "Window %s sets min size %d x %d", window->desc, width, height); if (width == 0 && height == 0) { window->size_hints.min_width = 0; window->size_hints.min_height = 0; window->size_hints.flags &= ~PMinSize; return; } scale = (float) meta_window_wayland_get_geometry_scale (window); scale_size (&width, &height, scale); new_width = width + (window->custom_frame_extents.left + window->custom_frame_extents.right); new_height = height + (window->custom_frame_extents.top + window->custom_frame_extents.bottom); window->size_hints.min_width = (int) MIN (new_width, G_MAXINT); window->size_hints.min_height = (int) MIN (new_height, G_MAXINT); window->size_hints.flags |= PMinSize; } void meta_window_wayland_set_max_size (MetaWindow *window, int width, int height) { gint64 new_width, new_height; float scale; meta_topic (META_DEBUG_GEOMETRY, "Window %s sets max size %d x %d", window->desc, width, height); if (width == 0 && height == 0) { window->size_hints.max_width = G_MAXINT; window->size_hints.max_height = G_MAXINT; window->size_hints.flags &= ~PMaxSize; return; } scale = (float) meta_window_wayland_get_geometry_scale (window); scale_size (&width, &height, scale); new_width = width + (window->custom_frame_extents.left + window->custom_frame_extents.right); new_height = height + (window->custom_frame_extents.top + window->custom_frame_extents.bottom); window->size_hints.max_width = (int) ((new_width > 0 && new_width < G_MAXINT) ? new_width : G_MAXINT); window->size_hints.max_height = (int) ((new_height > 0 && new_height < G_MAXINT) ? new_height : G_MAXINT); window->size_hints.flags |= PMaxSize; } void meta_window_wayland_get_min_size (MetaWindow *window, int *width, int *height) { gint64 current_width, current_height; float scale; if (!(window->size_hints.flags & PMinSize)) { /* Zero means unlimited */ *width = 0; *height = 0; return; } current_width = window->size_hints.min_width - (window->custom_frame_extents.left + window->custom_frame_extents.right); current_height = window->size_hints.min_height - (window->custom_frame_extents.top + window->custom_frame_extents.bottom); *width = MAX (current_width, 0); *height = MAX (current_height, 0); scale = 1.0 / (float) meta_window_wayland_get_geometry_scale (window); scale_size (width, height, scale); } void meta_window_wayland_get_max_size (MetaWindow *window, int *width, int *height) { gint64 current_width = 0; gint64 current_height = 0; float scale; if (!(window->size_hints.flags & PMaxSize)) { /* Zero means unlimited */ *width = 0; *height = 0; return; } if (window->size_hints.max_width < G_MAXINT) current_width = window->size_hints.max_width - (window->custom_frame_extents.left + window->custom_frame_extents.right); if (window->size_hints.max_height < G_MAXINT) current_height = window->size_hints.max_height - (window->custom_frame_extents.top + window->custom_frame_extents.bottom); *width = CLAMP (current_width, 0, G_MAXINT); *height = CLAMP (current_height, 0, G_MAXINT); scale = 1.0 / (float) meta_window_wayland_get_geometry_scale (window); scale_size (width, height, scale); } gboolean meta_window_wayland_is_acked_fullscreen (MetaWindowWayland *wl_window) { return (wl_window->last_acked_configuration && wl_window->last_acked_configuration->is_fullscreen); }