/* -*- 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" struct _MetaWindowWayland { MetaWindow parent; int geometry_scale; GList *pending_configurations; gboolean has_pending_state_change; int last_sent_x; int last_sent_y; int last_sent_width; int last_sent_height; int last_sent_rel_x; int last_sent_rel_y; 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) { g_assert (logical_monitor); if (meta_is_stage_views_scaled ()) 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 (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) { meta_wayland_surface_ping (window->surface, serial); } static void meta_window_wayland_delete (MetaWindow *window, guint32 timestamp) { meta_wayland_surface_delete (window->surface); } static void meta_window_wayland_kill (MetaWindow *window) { MetaWaylandSurface *surface = window->surface; struct wl_resource *resource = surface->resource; /* 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) { MetaWindow *window = META_WINDOW (wl_window); meta_wayland_surface_configure_notify (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; /* don't send notify when the window is being unmanaged */ if (window->unmanaging) return; configuration = meta_wayland_window_configuration_new (wl_window->last_sent_x, wl_window->last_sent_y, wl_window->last_sent_width, wl_window->last_sent_height); 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, int gravity, MetaRectangle unconstrained_rect, MetaRectangle constrained_rect, MetaMoveResizeFlags flags, MetaMoveResizeResultFlags *result) { MetaWindowWayland *wl_window = META_WINDOW_WAYLAND (window); gboolean can_move_now; int configured_x; int configured_y; int configured_width; int configured_height; int geometry_scale; g_assert (window->frame == NULL); /* don't do anything if we're dropping the window, see #751847 */ if (window->unmanaging) return; configured_x = constrained_rect.x; configured_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); if (flags & META_MOVE_RESIZE_UNMAXIMIZE && !meta_window_is_fullscreen (window)) { configured_width = 0; configured_height = 0; } else if (flags & META_MOVE_RESIZE_UNFULLSCREEN && !meta_window_get_maximized (window) && meta_window_get_tile_mode (window) == META_TILE_NONE) { configured_width = 0; configured_height = 0; } else { configured_width = constrained_rect.width / geometry_scale; configured_height = constrained_rect.height / geometry_scale; } /* For wayland clients, the size is completely determined by the client, * and while this allows to avoid some trickery with frames and the resulting * lagging, we also need to insist a bit when the constraints would apply * a different size than the client decides. * * Note that this is not generally a problem for normal toplevel windows (the * constraints don't see the size hints, or just change the position), but * it can be for maximized or fullscreen. */ if (flags & META_MOVE_RESIZE_FORCE_MOVE) { can_move_now = TRUE; } else if (flags & META_MOVE_RESIZE_WAYLAND_FINISH_MOVE_RESIZE) { /* This is a call to wl_surface_commit(), ignore the constrained_rect and * update the real client size to match the buffer size. */ if (window->rect.width != unconstrained_rect.width || window->rect.height != unconstrained_rect.height) { *result |= META_MOVE_RESIZE_RESULT_RESIZED; window->rect.width = unconstrained_rect.width; window->rect.height = unconstrained_rect.height; } /* This is a commit of an attach. We should move the window to match the * new position the client wants. */ can_move_now = TRUE; } else { /* If the size changed, or the state changed, then we have to wait until * the client acks our configure before moving the window. */ if (constrained_rect.width != window->rect.width || constrained_rect.height != window->rect.height || (flags & META_MOVE_RESIZE_STATE_CHANGED)) { MetaWaylandWindowConfiguration *configuration; /* If the constrained size is 1x1 and the unconstrained size is 0x0 * it means that we are trying to resize a window where the client has * not yet committed a buffer. The 1x1 constrained size is a result of * how the constraints code works. Lets avoid trying to have the * client configure itself to draw on a 1x1 surface. * * We cannot guard against only an empty unconstrained_rect here, * because the client may have created a xdg surface without a buffer * attached and asked it to be maximized. In such case we should let * it know about the expected window geometry of a maximized window, * even though there is currently no buffer attached. */ if (unconstrained_rect.width == 0 && unconstrained_rect.height == 0 && constrained_rect.width == 1 && constrained_rect.height == 1) return; if (window->placement.rule) { MetaWindow *parent = meta_window_get_transient_for (window); int rel_x, rel_y; rel_x = configured_x - parent->rect.x; rel_y = configured_y - parent->rect.y; configuration = meta_wayland_window_configuration_new_relative (rel_x, rel_y, configured_width, configured_height); } else { configuration = meta_wayland_window_configuration_new (configured_x, configured_y, configured_width, configured_height); } meta_window_wayland_configure (wl_window, configuration); can_move_now = FALSE; } else { /* We're just moving the window, so we don't need to wait for a configure * and then ack to simply move the window. */ can_move_now = TRUE; } } wl_window->last_sent_x = configured_x; wl_window->last_sent_y = configured_y; wl_window->last_sent_width = configured_width; wl_window->last_sent_height = configured_height; if (can_move_now) { int new_x = constrained_rect.x; int new_y = constrained_rect.y; 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; } int new_buffer_x = new_x - window->custom_frame_extents.left; int 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 (flags & META_MOVE_RESIZE_WAYLAND_STATE_CHANGED) *result |= META_MOVE_RESIZE_RESULT_STATE_CHANGED; } else { wl_window->has_pending_state_change = (flags & META_MOVE_RESIZE_STATE_CHANGED) != 0; } } 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); 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 (window->surface); if (toplevel_window != window) { meta_window_update_monitor (toplevel_window, flags); window->monitor = toplevel_window->monitor; 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_calculate_main_logical_monitor (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_is_stage_views_scaled ()) { 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); /* 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 = 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 uint32_t meta_window_wayland_get_client_pid (MetaWindow *window) { MetaWaylandSurface *surface = window->surface; struct wl_resource *resource = surface->resource; pid_t pid; wl_client_get_credentials (wl_resource_get_client (resource), &pid, NULL, NULL); return (uint32_t)pid; } static void appears_focused_changed (GObject *object, GParamSpec *pspec, gpointer user_data) { MetaWindow *window = META_WINDOW (object); 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) { return meta_wayland_surface_get_buffer (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 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_finalize (GObject *object) { MetaWindowWayland *wl_window = META_WINDOW_WAYLAND (object); 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_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; 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; } MetaWindow * meta_window_wayland_new (MetaDisplay *display, MetaWaylandSurface *surface) { XWindowAttributes attrs = { 0 }; MetaWindowWayland *wl_window; MetaWindow *window; /* * Set attributes used by _meta_window_shared_new, don't bother trying to fake * X11 window attributes with the rest, since they'll be ignored anyway. */ attrs.x = 0; attrs.y = 0; attrs.width = 0; attrs.height = 0; attrs.depth = 24; attrs.visual = NULL; attrs.map_state = IsUnmapped; attrs.override_redirect = False; window = _meta_window_shared_new (display, META_WINDOW_CLIENT_TYPE_WAYLAND, surface, None, WithdrawnState, META_COMP_EFFECT_CREATE, &attrs); wl_window = META_WINDOW_WAYLAND (window); set_geometry_scale_for_window (wl_window, wl_window->geometry_scale); return window; } static MetaWaylandWindowConfiguration * acquire_acked_configuration (MetaWindowWayland *wl_window, MetaWaylandSurfaceState *pending) { GList *l; 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; } int meta_window_wayland_get_geometry_scale (MetaWindow *window) { if (!window->monitor) return 1; return get_window_geometry_scale_for_logical_monitor (window->monitor); } /** * 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; int dx, dy; int geometry_scale; int gravity; MetaRectangle rect; MetaMoveResizeFlags flags; MetaWaylandWindowConfiguration *acked_configuration; gboolean is_window_being_resized; /* 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. */ 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. */ window->custom_frame_extents.left = new_geom.x; window->custom_frame_extents.top = new_geom.y; flags = META_MOVE_RESIZE_WAYLAND_FINISH_MOVE_RESIZE; acked_configuration = acquire_acked_configuration (wl_window, pending); /* 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); if (!is_window_being_resized) { if (acked_configuration) { rect.x = acked_configuration->x; rect.y = acked_configuration->y; } else { rect.x = window->rect.x; rect.y = window->rect.y; } 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; } rect.width = new_geom.width; rect.height = new_geom.height; if (rect.width != window->rect.width || rect.height != window->rect.height) flags |= META_MOVE_RESIZE_RESIZE_ACTION; gravity = meta_resize_gravity_from_grab_op (window->display->grab_op); meta_window_move_resize_internal (window, flags, gravity, rect); g_clear_pointer (&acked_configuration, meta_wayland_window_configuration_free); } 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) { g_clear_pointer (&window->placement.rule, g_free); window->placement.rule = g_new0 (MetaPlacementRule, 1); *window->placement.rule = *placement_rule; window->unconstrained_rect.width = placement_rule->width; window->unconstrained_rect.height = placement_rule->height; meta_window_force_placement (window, FALSE); } 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\n", 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\n", 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); }