2888 lines
96 KiB
C++
2888 lines
96 KiB
C++
/* SPDX-FileCopyrightText: 2020-2023 Blender Authors
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*
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* SPDX-License-Identifier: GPL-2.0-or-later */
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/** \file
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* \ingroup GHOST
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*/
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#include "GHOST_WindowWayland.hh"
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#include "GHOST_SystemWayland.hh"
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#include "GHOST_WaylandUtils.hh"
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#include "GHOST_WindowManager.hh"
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#include "GHOST_utildefines.hh"
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#include "GHOST_Event.hh"
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#include "GHOST_ContextNone.hh"
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#ifdef WITH_OPENGL_BACKEND
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# include "GHOST_ContextEGL.hh"
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#endif
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#ifdef WITH_VULKAN_BACKEND
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# include "GHOST_ContextVK.hh"
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#endif
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#include <wayland-client-protocol.h>
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#ifdef WITH_OPENGL_BACKEND
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# ifdef WITH_GHOST_WAYLAND_DYNLOAD
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# include <wayland_dynload_egl.h>
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# endif
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# include <wayland-egl.h>
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#endif
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#include <algorithm> /* For `std::find`. */
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#ifdef WITH_GHOST_WAYLAND_LIBDECOR
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# ifdef WITH_GHOST_WAYLAND_DYNLOAD
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# include <wayland_dynload_libdecor.h>
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# endif
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# include <libdecor.h>
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#endif
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/* Generated by `wayland-scanner`. */
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#include <fractional-scale-v1-client-protocol.h>
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#include <viewporter-client-protocol.h>
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#include <xdg-activation-v1-client-protocol.h>
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#include <xdg-decoration-unstable-v1-client-protocol.h>
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#include <xdg-shell-client-protocol.h>
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#include <atomic>
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#include <optional>
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#include <cstring> /* For `memcpy`. */
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#include <malloc.h> /* For `malloc_usable_size`. */
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/* Logging, use `ghost.wl.*` prefix. */
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#include "CLG_log.h"
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/* Disable, as this can "lock" the GUI even with the *pending* version of dispatch is used. */
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#if 0
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/**
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* Note that for almost all cases a call to `wl_display_dispatch_pending` is *not* needed.
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* Without the dispatch though, calls to set the cursor while the event loop is
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* not being processed causes a resource allocation failure - disconnecting the
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* WAYLAND compositor (effectively crashing).
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* While this only happens when many calls are made, that's exactly what happens in the
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* case of the "progress" feature which uses the cursor to display a number.
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* See: #141846.
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*
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* Observed behavior when changing cursors without a dispatch:
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* - Eventually exits with an error on all compositors tested (KDE/GNOME/WLROOTS based).
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* - Won't re-display at all (on KDE 6.4).
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* Note that this could be a bug in KDE as it works in GNOME & WLROOTS based compositors.
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*/
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# define USE_CURSOR_IMMEDIATE_DISPATCH
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#endif
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/**
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* LIBDECOR support committing a window-configuration in the main-thread that was
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* handled in a non-main-thread.
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*
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* This is needed for proper order of operations as the commit needs to occur after the buffer
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* is resized (something that can't be done from a non-main thread).
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* Without this, the window-frame can get out of sync with its contents and resizing is slow.
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*
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* Eventually LIBDECOR should support copying & freeing a configuration, even when it does,
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* older versions of the library will to be supported and the workaround will need to be kept.
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* See: https://gitlab.freedesktop.org/libdecor/libdecor/-/issues/64
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*/
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#ifdef USE_EVENT_BACKGROUND_THREAD
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# ifdef WITH_GHOST_WAYLAND_LIBDECOR
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# ifdef HAVE_MALLOC_USABLE_SIZE
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# define USE_LIBDECOR_CONFIG_COPY_WORKAROUND
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# endif
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# endif
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#endif
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/**
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* Queue configuration calls until a valid window frame size is available.
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* This is needed because LIBDECOR has an issue where windows initialized with a zero
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* size don't have a usable title bar. see #117583.
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*/
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#ifdef USE_LIBDECOR_CONFIG_COPY_WORKAROUND
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# define USE_LIBDECOR_CONFIG_COPY_QUEUE
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#endif
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#ifdef USE_LIBDECOR_CONFIG_COPY_WORKAROUND
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static libdecor_configuration *ghost_wl_libdecor_configuration_copy(
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const libdecor_configuration *configuration);
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static void ghost_wl_libdecor_configuration_free(libdecor_configuration *configuration);
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#endif
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static const xdg_activation_token_v1_listener *xdg_activation_listener_get();
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static constexpr size_t base_dpi = 96;
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#ifdef WITH_GHOST_WAYLAND_LIBDECOR
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/* Access `use_libdecor` in #GHOST_SystemWayland. */
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# define use_libdecor GHOST_SystemWayland::use_libdecor_runtime()
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#endif
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#ifdef WITH_GHOST_WAYLAND_LIBDECOR
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struct GWL_LibDecor_Window {
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libdecor_frame *frame = nullptr;
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/**
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* Defer calling #libdecor_frame_commit.
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* \note Accessing the members must lock on `win->frame_pending_mutex`.
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*/
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struct {
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/** When set, ACK configure is expected. */
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bool ack_configure = false;
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/** The new size to use. */
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int size[2] = {0, 0};
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libdecor_configuration *configuration = nullptr;
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# ifdef USE_LIBDECOR_CONFIG_COPY_WORKAROUND
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bool configuration_needs_free = false;
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# endif
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# ifdef USE_LIBDECOR_CONFIG_COPY_QUEUE
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/**
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* Queue configurations which cannot be applied because the window size isn't know.
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* All items in this list are allocated.
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*/
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std::vector<libdecor_configuration *> configuration_queue;
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# endif
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} pending;
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/** The window has been configured (see #xdg_surface_ack_configure). */
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bool initial_configure_seen = false;
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std::optional<GHOST_TWindowState> initial_configure_state = std::nullopt;
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};
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static void gwl_libdecor_window_destroy(GWL_LibDecor_Window *decor)
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{
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# ifdef USE_LIBDECOR_CONFIG_COPY_WORKAROUND
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if (decor->pending.configuration_needs_free) {
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ghost_wl_libdecor_configuration_free(decor->pending.configuration);
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}
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# endif /* USE_LIBDECOR_CONFIG_COPY_WORKAROUND */
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# ifdef USE_LIBDECOR_CONFIG_COPY_QUEUE
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for (libdecor_configuration *configuration : decor->pending.configuration_queue) {
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ghost_wl_libdecor_configuration_free(configuration);
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}
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decor->pending.configuration_queue.clear();
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# endif /* USE_LIBDECOR_CONFIG_COPY_QUEUE */
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libdecor_frame_unref(decor->frame);
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delete decor;
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}
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#endif /* WITH_GHOST_WAYLAND_LIBDECOR */
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struct GWL_XDG_Decor_Window {
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xdg_surface *surface = nullptr;
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zxdg_toplevel_decoration_v1 *toplevel_decor = nullptr;
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xdg_toplevel *toplevel = nullptr;
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enum zxdg_toplevel_decoration_v1_mode mode = (enum zxdg_toplevel_decoration_v1_mode)0;
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/**
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* Defer calling #xdg_surface_ack_configure.
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* \note Accessing the members must lock on `win->frame_pending_mutex`.
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*/
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struct {
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/** When set, ACK configure is expected. */
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bool ack_configure = false;
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/** The serial to pass to ACK configure. */
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uint32_t ack_configure_serial = 0;
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} pending;
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/** The window has been configured (see #xdg_surface_ack_configure). */
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bool initial_configure_seen = false;
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/** The maximum bounds on startup, monitor size minus docs for example. */
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int initial_bounds[2] = {0, 0};
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};
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static void gwl_xdg_decor_window_destroy(GWL_XDG_Decor_Window *decor)
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{
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if (decor->toplevel_decor) {
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zxdg_toplevel_decoration_v1_destroy(decor->toplevel_decor);
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}
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xdg_toplevel_destroy(decor->toplevel);
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xdg_surface_destroy(decor->surface);
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delete decor;
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}
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/* -------------------------------------------------------------------- */
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/** \name Rounding Utilities
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* \{ */
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static void gwl_round_int_by(int *value_p, const int round_value)
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{
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GHOST_ASSERT(round_value > 0, "Invalid rounding value!");
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*value_p = (*value_p / round_value) * round_value;
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}
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static void gwl_round_int2_by(int value_p[2], const int round_value)
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{
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GHOST_ASSERT(round_value > 0, "Invalid rounding value!");
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value_p[0] = (value_p[0] / round_value) * round_value;
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value_p[1] = (value_p[1] / round_value) * round_value;
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}
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/**
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* Return true if the value is already rounded by `round_value`.
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*/
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static bool gwl_round_int_test(const int value, const int round_value)
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{
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return value == ((value / round_value) * round_value);
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}
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/** \} */
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/* -------------------------------------------------------------------- */
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/** \name Window-Viewport/Wayland to/from Scale Conversion
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* \{ */
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struct GWL_WindowScaleParams {
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bool is_fractional = false;
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/**
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* When fractional:
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* Scale is multiplied by #FRACTIONAL_DENOMINATOR.
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* Otherwise scale is an integer.
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*/
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wl_fixed_t scale = 0;
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};
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wl_fixed_t gwl_window_scale_wl_fixed_to(const GWL_WindowScaleParams &scale_params,
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wl_fixed_t value)
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{
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if (scale_params.is_fractional) {
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return (value * scale_params.scale) / FRACTIONAL_DENOMINATOR;
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}
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return value * scale_params.scale;
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}
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wl_fixed_t gwl_window_scale_wl_fixed_from(const GWL_WindowScaleParams &scale_params,
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wl_fixed_t value)
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{
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if (scale_params.is_fractional) {
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return (value * FRACTIONAL_DENOMINATOR) / scale_params.scale;
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}
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return value / scale_params.scale;
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}
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int gwl_window_scale_int_to(const GWL_WindowScaleParams &scale_params, const int value)
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{
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return wl_fixed_to_int(gwl_window_scale_wl_fixed_to(scale_params, wl_fixed_from_int(value)));
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}
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int gwl_window_scale_int_from(const GWL_WindowScaleParams &scale_params, const int value)
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{
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return wl_fixed_to_int(gwl_window_scale_wl_fixed_from(scale_params, wl_fixed_from_int(value)));
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}
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/** \} */
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/* -------------------------------------------------------------------- */
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/** \name Internal #GWL_WindowCursorCustomShape
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* \{ */
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static void gwl_window_cursor_custom_free(GHOST_CursorGenerator *cg)
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{
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cg->free_fn(cg);
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}
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static void gwl_window_cursor_custom_clear(GHOST_CursorGenerator **cg)
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{
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if (*cg == nullptr) {
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return;
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}
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gwl_window_cursor_custom_free(*cg);
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*cg = nullptr;
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}
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static GHOST_TSuccess gwl_window_cursor_custom_load(const GHOST_CursorGenerator &cg,
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GHOST_SystemWayland *system)
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{
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return system->cursor_shape_custom_set(cg);
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}
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static GHOST_TSuccess gwl_window_cursor_shape_refresh(GHOST_TStandardCursor shape,
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const GHOST_CursorGenerator *cg,
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GHOST_SystemWayland *system)
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{
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#ifdef USE_EVENT_BACKGROUND_THREAD
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GHOST_ASSERT(system->main_thread_id == std::this_thread::get_id(), "Only from main thread!");
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#endif
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if (shape == GHOST_kStandardCursorCustom) {
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const GHOST_TSuccess ok = gwl_window_cursor_custom_load(*cg, system);
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if (ok == GHOST_kSuccess) {
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return ok;
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}
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shape = GHOST_kStandardCursorDefault;
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system->cursor_shape_set(shape);
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return GHOST_kFailure;
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}
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return system->cursor_shape_set(shape);
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}
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/** \} */
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/* -------------------------------------------------------------------- */
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/** \name Internal #GWL_Window
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* \{ */
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#ifdef USE_EVENT_BACKGROUND_THREAD
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enum eGWL_PendingWindowActions {
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/**
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* The state of the window frame has changed, apply the state from #GWL_Window::frame_pending.
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*/
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PENDING_WINDOW_FRAME_CONFIGURE = 0,
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/**
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* The DPI for a monitor has changed or the monitors (outputs)
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* this window is visible on may have changed. Recalculate the windows scale.
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*/
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PENDING_OUTPUT_SCALE_UPDATE,
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/**
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* Workaround for a bug/glitch in WLROOTS based compositors (RIVER for example).
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* Deferring the scale update one even-loop cycle resolves a bug
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* where the output enter/exit events cause the surface buffer being an invalid size.
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*
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* While these kinds of glitches might be ignored in some cases,
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* this caused newly created windows to immediately loose the connection to WAYLAND
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* (crashing from a user perspective).
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*/
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PENDING_OUTPUT_SCALE_UPDATE_DEFERRED,
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/**
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* The surface needs a commit to run.
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* Use this to avoid committing immediately which can cause flickering when other operations
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* have not yet been performed - such as refreshing the window size.
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*/
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PENDING_WINDOW_SURFACE_COMMIT,
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/**
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* The window has gained focus and the cursor shape needs to be refreshed.
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*/
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PENDING_WINDOW_CURSOR_SHAPE_REFRESH,
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};
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# define PENDING_NUM (PENDING_WINDOW_CURSOR_SHAPE_REFRESH + 1)
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#endif /* USE_EVENT_BACKGROUND_THREAD */
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struct GWL_WindowFrame {
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/**
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* The frame size (in GHOST window coordinates).
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*
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* These must be converted to WAYLAND relative coordinates when the window is scaled
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* by Hi-DPI/fractional scaling.
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*/
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int32_t size[2] = {0, 0};
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bool is_maximised = false;
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bool is_fullscreen = false;
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bool is_active = false;
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/** Disable when the fractional scale is a whole number. */
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int fractional_scale = 0;
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/**
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* Store the value of #wp_fractional_scale_v1_listener::preferred_scale
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* before it's applied.
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*/
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int fractional_scale_preferred = 0;
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/** The scale passed to #wl_surface_set_buffer_scale. */
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int buffer_scale = 0;
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/** Scale has been set (for the first time). */
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bool is_scale_init = false;
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};
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struct GWL_Window {
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/** Wayland core types. */
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struct {
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wl_surface *surface = nullptr;
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} wl;
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/** Wayland native types. */
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struct {
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wp_viewport *viewport = nullptr;
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/**
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* When set, only respond to the #wp_fractional_scale_v1_listener::preferred_scale callback
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* and ignore updated scale based on #wl_surface_listener::enter & exit events.
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*/
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wp_fractional_scale_v1 *fractional_scale_handle = nullptr;
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} wp;
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/** XDG native types. */
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struct {
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/** A temporary token used for the window to be notified of it's activation. */
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xdg_activation_token_v1 *activation_token = nullptr;
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} xdg;
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struct {
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#ifdef WITH_OPENGL_BACKEND
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wl_egl_window *egl_window = nullptr;
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#endif
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#ifdef WITH_VULKAN_BACKEND
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GHOST_ContextVK_WindowInfo *vulkan_window_info = nullptr;
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#endif
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} backend;
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GHOST_WindowWayland *ghost_window = nullptr;
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GHOST_SystemWayland *ghost_system = nullptr;
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GHOST_TDrawingContextType ghost_context_type = GHOST_kDrawingContextTypeNone;
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/**
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* Outputs on which the window is currently shown on.
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*
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* This is an ordered set (whoever adds to this is responsible for keeping members unique).
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* In practice this is rarely manipulated and is limited by the number of physical displays.
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*/
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std::vector<GWL_Output *> outputs;
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#ifdef WITH_GHOST_WAYLAND_LIBDECOR
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GWL_LibDecor_Window *libdecor = nullptr;
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#endif
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GWL_XDG_Decor_Window *xdg_decor = nullptr;
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/**
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* The current value of frame, copied from `frame_pending` when applying updates.
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* This avoids the need for locking when reading from `frame`.
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*/
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GWL_WindowFrame frame;
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GWL_WindowFrame frame_pending;
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#ifdef USE_EVENT_BACKGROUND_THREAD
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/**
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* Needed so calls such as #GHOST_Window::setClientSize
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* doesn't conflict with WAYLAND callbacks that may run in a thread.
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*/
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std::mutex frame_pending_mutex;
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#endif
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GHOST_CursorGenerator *cursor_generator = nullptr;
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std::string title;
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bool is_dialog = false;
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/** True once the window has been initialized. */
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bool is_init = false;
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/** True when the GPU context is valid. */
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bool is_valid_setup = false;
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/** Currently only initialized on access (avoids allocations & allows to keep private). */
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GWL_WindowScaleParams scale_params;
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#ifdef USE_EVENT_BACKGROUND_THREAD
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/**
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* These pending actions can't be performed when WAYLAND handlers are running from a thread.
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* Postpone their execution until the main thread can handle them.
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*/
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std::atomic<bool> pending_actions[PENDING_NUM] = {false};
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#endif /* USE_EVENT_BACKGROUND_THREAD */
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};
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static void gwl_window_resize_for_backend(GWL_Window *win, const int32_t size[2])
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{
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#ifdef WITH_OPENGL_BACKEND
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if (win->ghost_context_type == GHOST_kDrawingContextTypeOpenGL) {
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/* Null on window initialization. */
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if (win->backend.egl_window) {
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wl_egl_window_resize(win->backend.egl_window, UNPACK2(size), 0, 0);
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}
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}
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#endif
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#ifdef WITH_VULKAN_BACKEND
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if (win->ghost_context_type == GHOST_kDrawingContextTypeVulkan) {
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win->backend.vulkan_window_info->size[0] = size[0];
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win->backend.vulkan_window_info->size[1] = size[1];
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}
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#endif
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}
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static void gwl_window_title_set(GWL_Window *win, const char *title)
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{
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|
#ifdef WITH_GHOST_WAYLAND_LIBDECOR
|
|
if (use_libdecor) {
|
|
GWL_LibDecor_Window &decor = *win->libdecor;
|
|
libdecor_frame_set_title(decor.frame, title);
|
|
}
|
|
else
|
|
#endif
|
|
{
|
|
GWL_XDG_Decor_Window &decor = *win->xdg_decor;
|
|
xdg_toplevel_set_title(decor.toplevel, title);
|
|
}
|
|
|
|
win->title = title;
|
|
}
|
|
|
|
static GHOST_TWindowState gwl_window_state_get(const GWL_Window *win)
|
|
{
|
|
if (win->frame.is_fullscreen) {
|
|
return GHOST_kWindowStateFullScreen;
|
|
}
|
|
if (win->frame.is_maximised) {
|
|
return GHOST_kWindowStateMaximized;
|
|
}
|
|
return GHOST_kWindowStateNormal;
|
|
}
|
|
|
|
#ifdef WITH_GHOST_WAYLAND_LIBDECOR
|
|
/**
|
|
* \note Keep in sync with #gwl_window_state_set_for_xdg.
|
|
*/
|
|
static bool gwl_window_state_set_for_libdecor(libdecor_frame *frame,
|
|
const GHOST_TWindowState state,
|
|
const GHOST_TWindowState state_current)
|
|
{
|
|
switch (state) {
|
|
case GHOST_kWindowStateNormal:
|
|
/* Unset states. */
|
|
switch (state_current) {
|
|
case GHOST_kWindowStateMaximized: {
|
|
libdecor_frame_unset_maximized(frame);
|
|
break;
|
|
}
|
|
case GHOST_kWindowStateFullScreen: {
|
|
libdecor_frame_unset_fullscreen(frame);
|
|
break;
|
|
}
|
|
default: {
|
|
break;
|
|
}
|
|
}
|
|
break;
|
|
case GHOST_kWindowStateMaximized: {
|
|
libdecor_frame_set_maximized(frame);
|
|
break;
|
|
}
|
|
case GHOST_kWindowStateMinimized: {
|
|
libdecor_frame_set_minimized(frame);
|
|
break;
|
|
}
|
|
case GHOST_kWindowStateFullScreen: {
|
|
libdecor_frame_set_fullscreen(frame, nullptr);
|
|
break;
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
#endif /* WITH_GHOST_WAYLAND_LIBDECOR */
|
|
|
|
/**
|
|
* \note Keep in sync with #gwl_window_state_set_for_libdecor.
|
|
*/
|
|
static bool gwl_window_state_set_for_xdg(xdg_toplevel *toplevel,
|
|
const GHOST_TWindowState state,
|
|
const GHOST_TWindowState state_current)
|
|
{
|
|
switch (state) {
|
|
case GHOST_kWindowStateNormal:
|
|
/* Unset states. */
|
|
switch (state_current) {
|
|
case GHOST_kWindowStateMaximized: {
|
|
xdg_toplevel_unset_maximized(toplevel);
|
|
break;
|
|
}
|
|
case GHOST_kWindowStateFullScreen: {
|
|
xdg_toplevel_unset_fullscreen(toplevel);
|
|
break;
|
|
}
|
|
default: {
|
|
break;
|
|
}
|
|
}
|
|
break;
|
|
case GHOST_kWindowStateMaximized: {
|
|
xdg_toplevel_set_maximized(toplevel);
|
|
break;
|
|
}
|
|
case GHOST_kWindowStateMinimized: {
|
|
xdg_toplevel_set_minimized(toplevel);
|
|
break;
|
|
}
|
|
case GHOST_kWindowStateFullScreen: {
|
|
xdg_toplevel_set_fullscreen(toplevel, nullptr);
|
|
break;
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
static bool gwl_window_state_set(GWL_Window *win, const GHOST_TWindowState state)
|
|
{
|
|
const GHOST_TWindowState state_current = gwl_window_state_get(win);
|
|
bool result;
|
|
#ifdef WITH_GHOST_WAYLAND_LIBDECOR
|
|
if (use_libdecor) {
|
|
result = gwl_window_state_set_for_libdecor(win->libdecor->frame, state, state_current);
|
|
}
|
|
else
|
|
#endif
|
|
{
|
|
result = gwl_window_state_set_for_xdg(win->xdg_decor->toplevel, state, state_current);
|
|
}
|
|
return result;
|
|
}
|
|
|
|
/** \} */
|
|
|
|
/* -------------------------------------------------------------------- */
|
|
/** \name Internal #GWL_Window Viewport Setup/Tear-down
|
|
*
|
|
* A viewport is needed to implement fractional scale,
|
|
* as the outputs scale may change at runtime, support creating & clearing the viewport as needed.
|
|
* \{ */
|
|
|
|
/**
|
|
* Scale a value from a viewport value to Wayland windowing.
|
|
* Scale down or not at all.
|
|
*/
|
|
static int gwl_window_fractional_to_viewport(const GWL_WindowFrame &frame, const int value)
|
|
{
|
|
GHOST_ASSERT(frame.fractional_scale != 0, "Not fractional or called before initialized!");
|
|
return (value * frame.fractional_scale) / FRACTIONAL_DENOMINATOR;
|
|
}
|
|
|
|
/**
|
|
* Scale a value from a Wayland windowing value to the viewport.
|
|
* Scales up or not at all.
|
|
*/
|
|
static int gwl_window_fractional_from_viewport(const GWL_WindowFrame &frame, const int value)
|
|
{
|
|
GHOST_ASSERT(frame.fractional_scale != 0, "Not fractional or called before initialized!");
|
|
return (value * FRACTIONAL_DENOMINATOR) / frame.fractional_scale;
|
|
}
|
|
|
|
/* NOTE: rounded versions are needed for window-frame dimensions conversions.
|
|
* (rounding is part of the WAYLAND spec). All other conversions such as cursor coordinates
|
|
* can used simple integer division as rounding is not defined in this case. */
|
|
|
|
static int gwl_window_fractional_to_viewport_round(const GWL_WindowFrame &frame, const int value)
|
|
{
|
|
GHOST_ASSERT(frame.fractional_scale != 0, "Not fractional or called before initialized!");
|
|
return lroundf(double(value * frame.fractional_scale) / double(FRACTIONAL_DENOMINATOR));
|
|
}
|
|
|
|
static int gwl_window_fractional_from_viewport_round(const GWL_WindowFrame &frame, const int value)
|
|
{
|
|
GHOST_ASSERT(frame.fractional_scale != 0, "Not fractional or called before initialized!");
|
|
return lroundf(double(value * FRACTIONAL_DENOMINATOR) / double(frame.fractional_scale));
|
|
}
|
|
|
|
static bool gwl_window_viewport_set(GWL_Window *win,
|
|
bool *r_surface_needs_commit,
|
|
bool *r_surface_needs_buffer_scale)
|
|
{
|
|
if (win->wp.viewport != nullptr) {
|
|
return false;
|
|
}
|
|
wp_viewporter *viewporter = win->ghost_system->wp_viewporter_get();
|
|
if (viewporter == nullptr) {
|
|
return false;
|
|
}
|
|
win->wp.viewport = wp_viewporter_get_viewport(viewporter, win->wl.surface);
|
|
if (win->wp.viewport == nullptr) {
|
|
return false;
|
|
}
|
|
|
|
/* Set the buffer scale to 1 since a viewport will be used. */
|
|
if (win->frame.buffer_scale != 1) {
|
|
win->frame.buffer_scale = 1;
|
|
|
|
if (r_surface_needs_buffer_scale) {
|
|
*r_surface_needs_buffer_scale = true;
|
|
}
|
|
else {
|
|
wl_surface_set_buffer_scale(win->wl.surface, win->frame.buffer_scale);
|
|
}
|
|
|
|
if (r_surface_needs_commit) {
|
|
*r_surface_needs_commit = true;
|
|
}
|
|
else {
|
|
wl_surface_commit(win->wl.surface);
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
static bool gwl_window_viewport_unset(GWL_Window *win,
|
|
bool *r_surface_needs_commit,
|
|
bool *r_surface_needs_buffer_scale)
|
|
{
|
|
if (win->wp.viewport == nullptr) {
|
|
return false;
|
|
}
|
|
|
|
wp_viewport_destroy(win->wp.viewport);
|
|
win->wp.viewport = nullptr;
|
|
|
|
GHOST_ASSERT(win->frame.buffer_scale == 1, "Unexpected scale!");
|
|
if (win->frame_pending.buffer_scale != win->frame.buffer_scale) {
|
|
win->frame.buffer_scale = win->frame_pending.buffer_scale;
|
|
|
|
if (r_surface_needs_buffer_scale) {
|
|
*r_surface_needs_buffer_scale = true;
|
|
}
|
|
else {
|
|
wl_surface_set_buffer_scale(win->wl.surface, win->frame.buffer_scale);
|
|
}
|
|
|
|
if (r_surface_needs_commit) {
|
|
*r_surface_needs_commit = true;
|
|
}
|
|
else {
|
|
wl_surface_commit(win->wl.surface);
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
static bool gwl_window_viewport_size_update(GWL_Window *win)
|
|
{
|
|
if (win->wp.viewport == nullptr) {
|
|
return false;
|
|
}
|
|
|
|
/* Setting `wp_viewport_set_source` isn't necessary as an unset value is ensured on creation
|
|
* and documented to use the entire buffer, further this can crash with NVIDIA, see: #117531. */
|
|
|
|
wp_viewport_set_destination(
|
|
win->wp.viewport,
|
|
gwl_window_fractional_from_viewport_round(win->frame, win->frame.size[0]),
|
|
gwl_window_fractional_from_viewport_round(win->frame, win->frame.size[1]));
|
|
return true;
|
|
}
|
|
|
|
/** \} */
|
|
|
|
/* -------------------------------------------------------------------- */
|
|
/** \name Internal #GWL_Window Activation
|
|
* \{ */
|
|
|
|
/**
|
|
* Unlike #GHOST_WindowWayland::activate which responds to WAYLAND having set the window active.
|
|
* This function makes a request to WAYLAND for the window to become active.
|
|
*
|
|
* \note The request may be ignored and may not work on all compositors.
|
|
*/
|
|
static void gwl_window_activate(GWL_Window *win)
|
|
{
|
|
GHOST_SystemWayland *system = win->ghost_system;
|
|
xdg_activation_v1 *activation_manager = system->xdg_activation_manager_get();
|
|
if (UNLIKELY(activation_manager == nullptr)) {
|
|
return;
|
|
}
|
|
|
|
if (win->xdg.activation_token) {
|
|
/* We're about to overwrite this with a new request. */
|
|
xdg_activation_token_v1_destroy(win->xdg.activation_token);
|
|
}
|
|
win->xdg.activation_token = xdg_activation_v1_get_activation_token(activation_manager);
|
|
|
|
xdg_activation_token_v1_add_listener(
|
|
win->xdg.activation_token, xdg_activation_listener_get(), win);
|
|
|
|
xdg_activation_token_v1_set_app_id(win->xdg.activation_token,
|
|
GHOST_SystemWayland::xdg_app_id_get());
|
|
|
|
/* The serial of the input device requesting activation. */
|
|
{
|
|
uint32_t serial = 0;
|
|
wl_seat *seat = system->wl_seat_active_get_with_input_serial(serial);
|
|
if (seat) {
|
|
xdg_activation_token_v1_set_serial(win->xdg.activation_token, serial, seat);
|
|
}
|
|
}
|
|
|
|
/* The surface of the window requesting activation. */
|
|
{
|
|
GHOST_WindowWayland *ghost_window_active = static_cast<GHOST_WindowWayland *>(
|
|
system->getWindowManager()->getActiveWindow());
|
|
if (ghost_window_active) {
|
|
wl_surface *surface = ghost_window_active->wl_surface_get();
|
|
if (surface) {
|
|
xdg_activation_token_v1_set_surface(win->xdg.activation_token, surface);
|
|
}
|
|
}
|
|
}
|
|
|
|
xdg_activation_token_v1_commit(win->xdg.activation_token);
|
|
}
|
|
|
|
/** \} */
|
|
|
|
/* -------------------------------------------------------------------- */
|
|
/** \name Internal #GWL_Window Pending Actions
|
|
* \{ */
|
|
|
|
static void gwl_window_frame_pending_fractional_scale_set_notest(
|
|
GWL_Window *win, bool *r_surface_needs_commit, bool *r_surface_needs_buffer_scale)
|
|
{
|
|
if (win->frame_pending.fractional_scale) {
|
|
win->frame.fractional_scale = win->frame_pending.fractional_scale;
|
|
gwl_window_viewport_set(win, r_surface_needs_commit, r_surface_needs_buffer_scale);
|
|
gwl_window_viewport_size_update(win);
|
|
}
|
|
else {
|
|
if (win->wp.viewport) {
|
|
gwl_window_viewport_unset(win, r_surface_needs_commit, r_surface_needs_buffer_scale);
|
|
}
|
|
else {
|
|
win->frame.buffer_scale = win->frame_pending.buffer_scale;
|
|
if (r_surface_needs_buffer_scale) {
|
|
*r_surface_needs_buffer_scale = true;
|
|
}
|
|
else {
|
|
wl_surface_set_buffer_scale(win->wl.surface, win->frame.buffer_scale);
|
|
}
|
|
if (r_surface_needs_commit) {
|
|
*r_surface_needs_commit = true;
|
|
}
|
|
else {
|
|
wl_surface_commit(win->wl.surface);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static void gwl_window_frame_pending_fractional_scale_set(GWL_Window *win,
|
|
bool *r_surface_needs_commit,
|
|
bool *r_surface_needs_buffer_scale)
|
|
{
|
|
if (win->frame_pending.fractional_scale == win->frame.fractional_scale &&
|
|
win->frame_pending.buffer_scale == win->frame.buffer_scale)
|
|
{
|
|
return;
|
|
}
|
|
gwl_window_frame_pending_fractional_scale_set_notest(
|
|
win, r_surface_needs_commit, r_surface_needs_buffer_scale);
|
|
}
|
|
|
|
static void gwl_window_frame_pending_size_set(GWL_Window *win,
|
|
bool *r_surface_needs_commit,
|
|
bool *r_surface_needs_resize_for_backend,
|
|
bool *r_surface_needs_buffer_scale)
|
|
{
|
|
if (win->frame_pending.size[0] == 0 || win->frame_pending.size[1] == 0) {
|
|
return;
|
|
}
|
|
|
|
win->frame.size[0] = win->frame_pending.size[0];
|
|
win->frame.size[1] = win->frame_pending.size[1];
|
|
|
|
if (win->frame_pending.fractional_scale != win->frame.fractional_scale ||
|
|
win->frame_pending.buffer_scale != win->frame.buffer_scale)
|
|
{
|
|
gwl_window_frame_pending_fractional_scale_set(
|
|
win, r_surface_needs_commit, r_surface_needs_buffer_scale);
|
|
}
|
|
else {
|
|
gwl_window_viewport_size_update(win);
|
|
}
|
|
|
|
if (r_surface_needs_resize_for_backend) {
|
|
*r_surface_needs_resize_for_backend = true;
|
|
}
|
|
else {
|
|
gwl_window_resize_for_backend(win, win->frame.size);
|
|
}
|
|
|
|
win->ghost_window->notify_size();
|
|
|
|
win->frame_pending.size[0] = 0;
|
|
win->frame_pending.size[1] = 0;
|
|
}
|
|
|
|
static void gwl_window_frame_update_from_pending(GWL_Window *win);
|
|
|
|
#ifdef USE_EVENT_BACKGROUND_THREAD
|
|
|
|
static void gwl_window_pending_actions_tag(GWL_Window *win, enum eGWL_PendingWindowActions type)
|
|
{
|
|
win->pending_actions[int(type)].store(true);
|
|
win->ghost_system->has_pending_actions_for_window.store(true);
|
|
}
|
|
|
|
static void gwl_window_pending_actions_handle(GWL_Window *win)
|
|
{
|
|
/* Ensure pending actions always use the state when the function starts
|
|
* because one actions may trigger other pending actions an in that case
|
|
* exact behavior depends on the order functions are called here.
|
|
* Without this, configuring the frame will trigger the surface
|
|
* commit immediately instead of the next time pending actions are handled. */
|
|
bool actions[PENDING_NUM];
|
|
for (size_t i = 0; i < ARRAY_SIZE(actions); i++) {
|
|
actions[i] = win->pending_actions[i].exchange(false);
|
|
}
|
|
|
|
if (actions[PENDING_WINDOW_FRAME_CONFIGURE]) {
|
|
gwl_window_frame_update_from_pending(win);
|
|
}
|
|
if (actions[PENDING_OUTPUT_SCALE_UPDATE_DEFERRED]) {
|
|
gwl_window_pending_actions_tag(win, PENDING_OUTPUT_SCALE_UPDATE);
|
|
/* Force postponing scale update to ensure all scale information has been taken into account
|
|
* before the actual update is performed. Failing to do so tends to cause flickering. */
|
|
actions[PENDING_OUTPUT_SCALE_UPDATE] = false;
|
|
}
|
|
if (actions[PENDING_OUTPUT_SCALE_UPDATE]) {
|
|
win->ghost_window->outputs_changed_update_scale();
|
|
}
|
|
if (actions[PENDING_WINDOW_SURFACE_COMMIT]) {
|
|
wl_surface_commit(win->wl.surface);
|
|
}
|
|
if (actions[PENDING_WINDOW_CURSOR_SHAPE_REFRESH]) {
|
|
gwl_window_cursor_shape_refresh(
|
|
win->ghost_window->getCursorShape(), win->cursor_generator, win->ghost_system);
|
|
}
|
|
}
|
|
|
|
#endif /* USE_EVENT_BACKGROUND_THREAD */
|
|
|
|
/**
|
|
* Update the window's #GWL_WindowFrame.
|
|
* The caller must handle locking & run from the main thread.
|
|
*/
|
|
static void gwl_window_frame_update_from_pending_no_lock(GWL_Window *win)
|
|
{
|
|
#ifdef USE_EVENT_BACKGROUND_THREAD
|
|
GHOST_ASSERT(win->ghost_system->main_thread_id == std::this_thread::get_id(),
|
|
"Only from main thread!");
|
|
|
|
#endif
|
|
|
|
const bool dpi_changed = win->frame_pending.fractional_scale != win->frame.fractional_scale;
|
|
bool surface_needs_commit = false;
|
|
bool surface_needs_resize_for_backend = false;
|
|
bool surface_needs_buffer_scale = false;
|
|
|
|
if (win->frame_pending.size[0] != 0 && win->frame_pending.size[1] != 0) {
|
|
if ((win->frame.size[0] != win->frame_pending.size[0]) ||
|
|
(win->frame.size[1] != win->frame_pending.size[1]))
|
|
{
|
|
gwl_window_frame_pending_size_set(win,
|
|
&surface_needs_commit,
|
|
&surface_needs_resize_for_backend,
|
|
&surface_needs_buffer_scale);
|
|
}
|
|
}
|
|
|
|
if (win->frame_pending.fractional_scale || win->frame.fractional_scale) {
|
|
gwl_window_frame_pending_fractional_scale_set(
|
|
win, &surface_needs_commit, &surface_needs_buffer_scale);
|
|
}
|
|
else {
|
|
if (win->frame_pending.buffer_scale != win->frame.buffer_scale) {
|
|
win->frame.buffer_scale = win->frame_pending.buffer_scale;
|
|
surface_needs_buffer_scale = true;
|
|
}
|
|
}
|
|
|
|
if (surface_needs_resize_for_backend) {
|
|
gwl_window_resize_for_backend(win, win->frame.size);
|
|
}
|
|
|
|
if (surface_needs_buffer_scale) {
|
|
wl_surface_set_buffer_scale(win->wl.surface, win->frame.buffer_scale);
|
|
}
|
|
|
|
#ifdef WITH_GHOST_WAYLAND_LIBDECOR
|
|
if (use_libdecor) {
|
|
GWL_LibDecor_Window &decor = *win->libdecor;
|
|
if (decor.pending.ack_configure) {
|
|
surface_needs_commit = true;
|
|
|
|
decor.pending.ack_configure = false;
|
|
|
|
libdecor_state *state = libdecor_state_new(UNPACK2(decor.pending.size));
|
|
|
|
# ifdef USE_LIBDECOR_CONFIG_COPY_QUEUE
|
|
GHOST_ASSERT(decor.pending.size[0] != 0 && decor.pending.size[1] != 0, "Invalid size");
|
|
for (libdecor_configuration *configuration : decor.pending.configuration_queue) {
|
|
libdecor_frame_commit(decor.frame, state, configuration);
|
|
ghost_wl_libdecor_configuration_free(configuration);
|
|
}
|
|
decor.pending.configuration_queue.clear();
|
|
# endif
|
|
|
|
libdecor_frame_commit(decor.frame, state, decor.pending.configuration);
|
|
|
|
libdecor_state_free(state);
|
|
|
|
decor.pending.size[0] = 0;
|
|
decor.pending.size[1] = 0;
|
|
|
|
if (decor.initial_configure_seen == false) {
|
|
decor.initial_configure_seen = true;
|
|
|
|
if (decor.initial_configure_state) {
|
|
xdg_toplevel *toplevel = libdecor_frame_get_xdg_toplevel(decor.frame);
|
|
gwl_window_state_set_for_xdg(
|
|
toplevel, decor.initial_configure_state.value(), gwl_window_state_get(win));
|
|
decor.initial_configure_state = std::nullopt;
|
|
}
|
|
}
|
|
|
|
# ifdef USE_LIBDECOR_CONFIG_COPY_WORKAROUND
|
|
if (decor.pending.configuration_needs_free) {
|
|
ghost_wl_libdecor_configuration_free(decor.pending.configuration);
|
|
decor.pending.configuration_needs_free = false;
|
|
}
|
|
# endif
|
|
|
|
decor.pending.configuration = nullptr;
|
|
}
|
|
}
|
|
else
|
|
#endif
|
|
if (win->xdg_decor)
|
|
{
|
|
GWL_XDG_Decor_Window &decor = *win->xdg_decor;
|
|
if (decor.pending.ack_configure) {
|
|
xdg_surface_ack_configure(decor.surface, decor.pending.ack_configure_serial);
|
|
/* The XDG spec states a commit event is required after ACK configure. */
|
|
surface_needs_commit = true;
|
|
|
|
decor.pending.ack_configure = false;
|
|
decor.pending.ack_configure_serial = 0;
|
|
|
|
decor.initial_configure_seen = true;
|
|
}
|
|
}
|
|
|
|
if (surface_needs_commit) {
|
|
#ifdef USE_EVENT_BACKGROUND_THREAD
|
|
/* Postponing the commit avoids flickering when moving between monitors of different scale. */
|
|
gwl_window_pending_actions_tag(win, PENDING_WINDOW_SURFACE_COMMIT);
|
|
#else
|
|
wl_surface_commit(win->wl.surface);
|
|
#endif
|
|
}
|
|
|
|
if (dpi_changed) {
|
|
GHOST_SystemWayland *system = win->ghost_system;
|
|
system->pushEvent(new GHOST_Event(
|
|
system->getMilliSeconds(), GHOST_kEventWindowDPIHintChanged, win->ghost_window));
|
|
}
|
|
|
|
if (win->frame.is_active != win->frame_pending.is_active) {
|
|
if (win->frame_pending.is_active) {
|
|
win->ghost_window->activate();
|
|
}
|
|
else {
|
|
win->ghost_window->deactivate();
|
|
}
|
|
}
|
|
else if (false) {
|
|
/* Disabled, this can happen during debugging
|
|
* when the window changed while the process has been paused. */
|
|
GHOST_ASSERT(
|
|
win->frame.is_active ==
|
|
(win->ghost_system->getWindowManager()->getActiveWindow() == win->ghost_window),
|
|
"GHOST internal active state does not match WAYLAND!");
|
|
}
|
|
|
|
win->frame_pending.size[0] = win->frame.size[0];
|
|
win->frame_pending.size[1] = win->frame.size[1];
|
|
|
|
win->frame = win->frame_pending;
|
|
|
|
/* Signal not to apply the scale unless it's configured. */
|
|
win->frame_pending.size[0] = 0;
|
|
win->frame_pending.size[1] = 0;
|
|
}
|
|
|
|
[[maybe_unused]] static void gwl_window_frame_update_from_pending(GWL_Window *win)
|
|
{
|
|
#ifdef USE_EVENT_BACKGROUND_THREAD
|
|
std::lock_guard lock_frame_guard{win->frame_pending_mutex};
|
|
#endif
|
|
gwl_window_frame_update_from_pending_no_lock(win);
|
|
}
|
|
|
|
/** \} */
|
|
|
|
/* -------------------------------------------------------------------- */
|
|
/** \name Internal Utilities
|
|
* \{ */
|
|
|
|
/**
|
|
* Return -1 if `output_a` has a scale smaller than `output_b`, 0 when there equal, otherwise 1.
|
|
*/
|
|
static int output_scale_cmp(const GWL_Output *output_a, const GWL_Output *output_b)
|
|
{
|
|
if (output_a->scale < output_b->scale) {
|
|
return -1;
|
|
}
|
|
if (output_a->scale > output_b->scale) {
|
|
return 1;
|
|
}
|
|
if (output_a->has_scale_fractional || output_b->has_scale_fractional) {
|
|
const int scale_fractional_a = output_a->has_scale_fractional ?
|
|
output_a->scale_fractional :
|
|
(output_a->scale * FRACTIONAL_DENOMINATOR);
|
|
const int scale_fractional_b = output_b->has_scale_fractional ?
|
|
output_b->scale_fractional :
|
|
(output_b->scale * FRACTIONAL_DENOMINATOR);
|
|
if (scale_fractional_a < scale_fractional_b) {
|
|
return -1;
|
|
}
|
|
if (scale_fractional_a > scale_fractional_b) {
|
|
return 1;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int outputs_max_scale_or_default(const std::vector<GWL_Output *> &outputs,
|
|
const int32_t scale_default,
|
|
int *r_scale_fractional)
|
|
{
|
|
const GWL_Output *output_max = nullptr;
|
|
for (const GWL_Output *reg_output : outputs) {
|
|
if (!output_max || (output_scale_cmp(output_max, reg_output) == -1)) {
|
|
output_max = reg_output;
|
|
}
|
|
}
|
|
|
|
if (output_max) {
|
|
if (r_scale_fractional) {
|
|
*r_scale_fractional = output_max->has_scale_fractional ?
|
|
output_max->scale_fractional :
|
|
(output_max->scale * FRACTIONAL_DENOMINATOR);
|
|
}
|
|
return output_max->scale;
|
|
}
|
|
if (r_scale_fractional) {
|
|
*r_scale_fractional = scale_default * FRACTIONAL_DENOMINATOR;
|
|
}
|
|
return scale_default;
|
|
}
|
|
|
|
static int outputs_uniform_scale_or_default(const std::vector<GWL_Output *> &outputs,
|
|
const int32_t scale_default,
|
|
int *r_scale_fractional)
|
|
{
|
|
const GWL_Output *output_uniform = nullptr;
|
|
for (const GWL_Output *reg_output : outputs) {
|
|
if (!output_uniform) {
|
|
output_uniform = reg_output;
|
|
}
|
|
else if (output_scale_cmp(output_uniform, reg_output) != 0) {
|
|
/* Non-uniform. */
|
|
output_uniform = nullptr;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (output_uniform) {
|
|
if (r_scale_fractional) {
|
|
*r_scale_fractional = output_uniform->has_scale_fractional ?
|
|
output_uniform->scale_fractional :
|
|
(output_uniform->scale * FRACTIONAL_DENOMINATOR);
|
|
}
|
|
return output_uniform->scale;
|
|
}
|
|
if (r_scale_fractional) {
|
|
*r_scale_fractional = scale_default * FRACTIONAL_DENOMINATOR;
|
|
}
|
|
return scale_default;
|
|
}
|
|
|
|
/** \} */
|
|
|
|
/* -------------------------------------------------------------------- */
|
|
/** \name LIBDECOR Configuration Workaround
|
|
*
|
|
* These workarounds are needed until LIBDECOR supports copy/free.
|
|
* \{ */
|
|
|
|
#ifdef USE_LIBDECOR_CONFIG_COPY_WORKAROUND
|
|
|
|
static libdecor_configuration *ghost_wl_libdecor_configuration_copy(
|
|
const libdecor_configuration *configuration)
|
|
{
|
|
size_t configuration_size = malloc_usable_size((void *)configuration);
|
|
libdecor_configuration *configuration_copy = (libdecor_configuration *)malloc(
|
|
configuration_size);
|
|
memcpy((void *)configuration_copy, (const void *)configuration, configuration_size);
|
|
return configuration_copy;
|
|
}
|
|
|
|
static void ghost_wl_libdecor_configuration_free(libdecor_configuration *configuration)
|
|
{
|
|
free((void *)configuration);
|
|
}
|
|
|
|
#endif /* USE_LIBDECOR_CONFIG_COPY_WORKAROUND */
|
|
|
|
/** \} */
|
|
|
|
/* -------------------------------------------------------------------- */
|
|
/** \name Listener (XDG Top Level), #xdg_toplevel_listener
|
|
* \{ */
|
|
|
|
static CLG_LogRef LOG_WL_XDG_TOPLEVEL = {"ghost.wl.handle.xdg_toplevel"};
|
|
#define LOG (&LOG_WL_XDG_TOPLEVEL)
|
|
|
|
static void xdg_toplevel_handle_configure(void *data,
|
|
xdg_toplevel * /*xdg_toplevel*/,
|
|
const int32_t width,
|
|
const int32_t height,
|
|
wl_array *states)
|
|
{
|
|
/* TODO: log `states`, not urgent. */
|
|
CLOG_DEBUG(LOG, "configure (size=[%d, %d])", width, height);
|
|
|
|
GWL_Window *win = static_cast<GWL_Window *>(data);
|
|
|
|
#ifdef USE_EVENT_BACKGROUND_THREAD
|
|
std::lock_guard lock_frame_guard{win->frame_pending_mutex};
|
|
#endif
|
|
|
|
const int32_t size[2] = {width, height};
|
|
for (int i = 0; i < 2; i++) {
|
|
if (size[i] == 0) {
|
|
/* Values may be zero, in this case the client should choose. */
|
|
continue;
|
|
}
|
|
win->frame_pending.size[i] = win->frame.fractional_scale ?
|
|
gwl_window_fractional_to_viewport_round(win->frame, size[i]) :
|
|
(size[i] * win->frame.buffer_scale);
|
|
}
|
|
|
|
win->frame_pending.is_maximised = false;
|
|
win->frame_pending.is_fullscreen = false;
|
|
win->frame_pending.is_active = false;
|
|
|
|
enum xdg_toplevel_state *state;
|
|
WL_ARRAY_FOR_EACH (state, states) {
|
|
switch (*state) {
|
|
case XDG_TOPLEVEL_STATE_MAXIMIZED:
|
|
win->frame_pending.is_maximised = true;
|
|
break;
|
|
case XDG_TOPLEVEL_STATE_FULLSCREEN:
|
|
win->frame_pending.is_fullscreen = true;
|
|
break;
|
|
case XDG_TOPLEVEL_STATE_ACTIVATED:
|
|
win->frame_pending.is_active = true;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
static void xdg_toplevel_handle_close(void *data, xdg_toplevel * /*xdg_toplevel*/)
|
|
{
|
|
CLOG_DEBUG(LOG, "close");
|
|
|
|
GWL_Window *win = static_cast<GWL_Window *>(data);
|
|
|
|
win->ghost_window->close();
|
|
}
|
|
|
|
static void xdg_toplevel_handle_configure_bounds(void *data,
|
|
xdg_toplevel * /*xdg_toplevel*/,
|
|
const int32_t width,
|
|
const int32_t height)
|
|
{
|
|
/* Only available in interface version 4. */
|
|
CLOG_DEBUG(LOG, "configure_bounds (size=[%d, %d])", width, height);
|
|
|
|
/* No need to lock as this only runs on window creation. */
|
|
GWL_Window *win = static_cast<GWL_Window *>(data);
|
|
GWL_XDG_Decor_Window &decor = *win->xdg_decor;
|
|
if (decor.initial_configure_seen == false) {
|
|
decor.initial_bounds[0] = width;
|
|
decor.initial_bounds[1] = height;
|
|
}
|
|
}
|
|
static void xdg_toplevel_handle_wm_capabilities(void * /*data*/,
|
|
xdg_toplevel * /*xdg_toplevel*/,
|
|
wl_array * /*capabilities*/)
|
|
{
|
|
/* Only available in interface version 5. */
|
|
CLOG_DEBUG(LOG, "wm_capabilities");
|
|
|
|
/* NOTE: this would be useful if blender had CSD. */
|
|
}
|
|
|
|
static const xdg_toplevel_listener xdg_toplevel_listener = {
|
|
/*configure*/ xdg_toplevel_handle_configure,
|
|
/*close*/ xdg_toplevel_handle_close,
|
|
/*configure_bounds*/ xdg_toplevel_handle_configure_bounds,
|
|
/*wm_capabilities*/ xdg_toplevel_handle_wm_capabilities,
|
|
};
|
|
|
|
#undef LOG
|
|
|
|
/** \} */
|
|
|
|
/* -------------------------------------------------------------------- */
|
|
/** \name Listener (XDG Activation), #xdg_activation_v1_interface
|
|
*
|
|
* Used by #gwl_window_activate.
|
|
* \{ */
|
|
|
|
static void xdg_activation_handle_done(void *data,
|
|
xdg_activation_token_v1 *xdg_activation_token_v1,
|
|
const char *token)
|
|
{
|
|
GWL_Window *win = static_cast<GWL_Window *>(data);
|
|
if (xdg_activation_token_v1 != win->xdg.activation_token) {
|
|
return;
|
|
}
|
|
|
|
GHOST_SystemWayland *system = win->ghost_system;
|
|
xdg_activation_v1 *activation_manager = system->xdg_activation_manager_get();
|
|
xdg_activation_v1_activate(activation_manager, token, win->wl.surface);
|
|
xdg_activation_token_v1_destroy(win->xdg.activation_token);
|
|
win->xdg.activation_token = nullptr;
|
|
}
|
|
|
|
static const xdg_activation_token_v1_listener xdg_activation_listener = {
|
|
/*done*/ xdg_activation_handle_done,
|
|
};
|
|
|
|
static const xdg_activation_token_v1_listener *xdg_activation_listener_get()
|
|
{
|
|
return &xdg_activation_listener;
|
|
}
|
|
|
|
/** \} */
|
|
|
|
/* -------------------------------------------------------------------- */
|
|
/** \name Listener (Fractional Scale), #wp_fractional_scale_manager_v1_interface
|
|
*
|
|
* Used by #gwl_window_activate.
|
|
* \{ */
|
|
|
|
static CLG_LogRef LOG_WL_FRACTIONAL_SCALE = {"ghost.wl.handle.fractional_scale"};
|
|
#define LOG (&LOG_WL_FRACTIONAL_SCALE)
|
|
|
|
static void wp_fractional_scale_handle_preferred_scale(
|
|
void *data, wp_fractional_scale_v1 * /*wp_fractional_scale_v1*/, uint preferred_scale)
|
|
{
|
|
#ifdef USE_EVENT_BACKGROUND_THREAD
|
|
std::lock_guard lock_frame_guard{static_cast<GWL_Window *>(data)->frame_pending_mutex};
|
|
#endif
|
|
CLOG_DEBUG(LOG,
|
|
"preferred_scale (preferred_scale=%.6f)",
|
|
double(preferred_scale) / FRACTIONAL_DENOMINATOR);
|
|
|
|
GWL_Window *win = static_cast<GWL_Window *>(data);
|
|
|
|
if (win->frame_pending.fractional_scale_preferred != int(preferred_scale)) {
|
|
win->frame_pending.fractional_scale_preferred = preferred_scale;
|
|
win->ghost_window->outputs_changed_update_scale_tag();
|
|
}
|
|
}
|
|
|
|
static const wp_fractional_scale_v1_listener wp_fractional_scale_listener = {
|
|
/*preferred_scale*/ wp_fractional_scale_handle_preferred_scale,
|
|
};
|
|
|
|
#undef LOG
|
|
|
|
/** \} */
|
|
|
|
/* -------------------------------------------------------------------- */
|
|
/** \name Listener (LibDecor Frame), #libdecor_frame_interface
|
|
* \{ */
|
|
|
|
#ifdef WITH_GHOST_WAYLAND_LIBDECOR
|
|
|
|
static CLG_LogRef LOG_WL_LIBDECOR_FRAME = {"ghost.wl.handle.libdecor_frame"};
|
|
# define LOG (&LOG_WL_LIBDECOR_FRAME)
|
|
|
|
static void libdecor_frame_handle_configure(libdecor_frame *frame,
|
|
libdecor_configuration *configuration,
|
|
void *data)
|
|
{
|
|
CLOG_DEBUG(LOG, "configure");
|
|
|
|
# ifdef USE_EVENT_BACKGROUND_THREAD
|
|
std::lock_guard lock_frame_guard{static_cast<GWL_Window *>(data)->frame_pending_mutex};
|
|
const bool is_main_thread = [data] {
|
|
const GWL_Window *win = static_cast<GWL_Window *>(data);
|
|
const GHOST_SystemWayland *system = win->ghost_system;
|
|
return system->main_thread_id == std::this_thread::get_id();
|
|
}();
|
|
# endif
|
|
|
|
GWL_WindowFrame &frame_pending = static_cast<GWL_Window *>(data)->frame_pending;
|
|
|
|
/* Set the size. */
|
|
int size_next[2] = {0, 0};
|
|
|
|
{
|
|
GWL_Window *win = static_cast<GWL_Window *>(data);
|
|
const int fractional_scale = win->frame.fractional_scale;
|
|
/* It's important `fractional_scale` has a fractional component or rounding up will fail
|
|
* to produce the correct whole-number scale. */
|
|
GHOST_ASSERT((fractional_scale == 0) ||
|
|
(gwl_round_int_test(fractional_scale, FRACTIONAL_DENOMINATOR) == false),
|
|
"Fractional scale has no fractional component!");
|
|
/* The size from LIBDECOR wont use the GHOST windows buffer size.
|
|
* so it's important to calculate the buffer size that would have been used
|
|
* if fractional scaling wasn't supported. */
|
|
const int scale = fractional_scale ? (fractional_scale / FRACTIONAL_DENOMINATOR) + 1 :
|
|
win->frame.buffer_scale;
|
|
const int scale_as_fractional = scale * FRACTIONAL_DENOMINATOR;
|
|
if (libdecor_configuration_get_content_size(
|
|
configuration, frame, &size_next[0], &size_next[1]))
|
|
{
|
|
if (fractional_scale) {
|
|
frame_pending.size[0] = gwl_window_fractional_to_viewport_round(win->frame, size_next[0]);
|
|
frame_pending.size[1] = gwl_window_fractional_to_viewport_round(win->frame, size_next[1]);
|
|
}
|
|
else if (fractional_scale && (fractional_scale != (scale * FRACTIONAL_DENOMINATOR))) {
|
|
/* The windows `preferred_scale` is not yet available,
|
|
* set the size as if fractional scale is available. */
|
|
frame_pending.size[0] = ((size_next[0] * scale) * fractional_scale) / scale_as_fractional;
|
|
frame_pending.size[1] = ((size_next[1] * scale) * fractional_scale) / scale_as_fractional;
|
|
}
|
|
else {
|
|
frame_pending.size[0] = size_next[0] * scale;
|
|
frame_pending.size[1] = size_next[1] * scale;
|
|
}
|
|
|
|
/* Account for buffer rounding requirement, once fractional scaling is enabled
|
|
* the buffer scale will be 1, rounding is a requirement until then. */
|
|
gwl_round_int2_by(frame_pending.size, win->frame.buffer_scale);
|
|
}
|
|
else {
|
|
/* These values are cleared after use & will practically always be zero.
|
|
* Read them because it's possible multiple configure calls run before they can be handled.
|
|
*/
|
|
const GWL_LibDecor_Window &decor = *win->libdecor;
|
|
size_next[0] = decor.pending.size[0];
|
|
size_next[1] = decor.pending.size[1];
|
|
}
|
|
}
|
|
|
|
/* Set the state. */
|
|
{
|
|
enum libdecor_window_state window_state;
|
|
if (libdecor_configuration_get_window_state(configuration, &window_state)) {
|
|
frame_pending.is_maximised = window_state & LIBDECOR_WINDOW_STATE_MAXIMIZED;
|
|
frame_pending.is_fullscreen = window_state & LIBDECOR_WINDOW_STATE_FULLSCREEN;
|
|
frame_pending.is_active = window_state & LIBDECOR_WINDOW_STATE_ACTIVE;
|
|
}
|
|
}
|
|
|
|
{
|
|
GWL_Window *win = static_cast<GWL_Window *>(data);
|
|
GWL_LibDecor_Window &decor = *win->libdecor;
|
|
|
|
# ifdef USE_LIBDECOR_CONFIG_COPY_WORKAROUND
|
|
/* Unlikely but possible a previous configuration is unhandled. */
|
|
if (decor.pending.configuration_needs_free) {
|
|
ghost_wl_libdecor_configuration_free(decor.pending.configuration);
|
|
decor.pending.configuration_needs_free = false;
|
|
}
|
|
# endif /* USE_LIBDECOR_CONFIG_COPY_WORKAROUND */
|
|
|
|
decor.pending.size[0] = size_next[0];
|
|
decor.pending.size[1] = size_next[1];
|
|
decor.pending.configuration = configuration;
|
|
decor.pending.ack_configure = true;
|
|
|
|
# ifdef USE_EVENT_BACKGROUND_THREAD
|
|
if (!is_main_thread) {
|
|
# ifdef USE_LIBDECOR_CONFIG_COPY_WORKAROUND
|
|
decor.pending.configuration = ghost_wl_libdecor_configuration_copy(configuration);
|
|
decor.pending.configuration_needs_free = true;
|
|
# else
|
|
/* Without a way to copy the configuration,
|
|
* the configuration will be ignored as it can't be postponed. */
|
|
decor.pending.configuration = nullptr;
|
|
# endif /* !USE_LIBDECOR_CONFIG_COPY_WORKAROUND */
|
|
}
|
|
# endif
|
|
|
|
# ifdef USE_LIBDECOR_CONFIG_COPY_QUEUE
|
|
if (!(size_next[0] && size_next[1])) {
|
|
/* Always copy. */
|
|
if (decor.pending.configuration_needs_free == false) {
|
|
decor.pending.configuration = ghost_wl_libdecor_configuration_copy(
|
|
decor.pending.configuration);
|
|
decor.pending.configuration_needs_free = true;
|
|
}
|
|
/* Transfer ownership to the queue. */
|
|
decor.pending.configuration_queue.push_back(decor.pending.configuration);
|
|
decor.pending.configuration = nullptr;
|
|
decor.pending.configuration_needs_free = false;
|
|
/* Wait until we have a valid size. */
|
|
decor.pending.ack_configure = false;
|
|
}
|
|
# endif /* USE_LIBDECOR_CONFIG_COPY_QUEUE */
|
|
}
|
|
|
|
/* Apply & commit the changes. */
|
|
{
|
|
GWL_Window *win = static_cast<GWL_Window *>(data);
|
|
# ifdef USE_EVENT_BACKGROUND_THREAD
|
|
if (!is_main_thread) {
|
|
gwl_window_pending_actions_tag(win, PENDING_WINDOW_FRAME_CONFIGURE);
|
|
}
|
|
else
|
|
# endif
|
|
{
|
|
gwl_window_frame_update_from_pending_no_lock(win);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void libdecor_frame_handle_close(libdecor_frame * /*frame*/, void *data)
|
|
{
|
|
CLOG_DEBUG(LOG, "close");
|
|
|
|
GWL_Window *win = static_cast<GWL_Window *>(data);
|
|
|
|
win->ghost_window->close();
|
|
}
|
|
|
|
static void libdecor_frame_handle_commit(libdecor_frame * /*frame*/, void *data)
|
|
{
|
|
CLOG_DEBUG(LOG, "commit");
|
|
|
|
# if 0
|
|
GWL_Window *win = static_cast<GWL_Window *>(data);
|
|
win->ghost_window->notify_decor_redraw();
|
|
# else
|
|
(void)data;
|
|
# endif
|
|
}
|
|
|
|
/* NOTE: cannot be `const` because of the LIBDECOR API. */
|
|
static libdecor_frame_interface libdecor_frame_iface = {
|
|
/*configure*/ libdecor_frame_handle_configure,
|
|
/*close*/ libdecor_frame_handle_close,
|
|
/*commit*/ libdecor_frame_handle_commit,
|
|
};
|
|
|
|
# undef LOG
|
|
|
|
#endif /* WITH_GHOST_WAYLAND_LIBDECOR. */
|
|
|
|
/** \} */
|
|
|
|
/* -------------------------------------------------------------------- */
|
|
/** \name Listener (XDG Decoration Listener), #zxdg_toplevel_decoration_v1_listener
|
|
* \{ */
|
|
|
|
static CLG_LogRef LOG_WL_XDG_TOPLEVEL_DECORATION = {"ghost.wl.handle.xdg_toplevel_decoration"};
|
|
#define LOG (&LOG_WL_XDG_TOPLEVEL_DECORATION)
|
|
|
|
static void xdg_toplevel_decoration_handle_configure(
|
|
void *data, zxdg_toplevel_decoration_v1 * /*zxdg_toplevel_decoration_v1*/, const uint32_t mode)
|
|
{
|
|
CLOG_DEBUG(LOG, "configure (mode=%u)", mode);
|
|
|
|
GWL_Window *win = static_cast<GWL_Window *>(data);
|
|
|
|
win->xdg_decor->mode = (zxdg_toplevel_decoration_v1_mode)mode;
|
|
}
|
|
|
|
static const zxdg_toplevel_decoration_v1_listener xdg_toplevel_decoration_v1_listener = {
|
|
/*configure*/ xdg_toplevel_decoration_handle_configure,
|
|
};
|
|
|
|
#undef LOG
|
|
|
|
/** \} */
|
|
|
|
/* -------------------------------------------------------------------- */
|
|
/** \name Listener (XDG Surface Handle Configure), #xdg_surface_listener
|
|
* \{ */
|
|
|
|
static CLG_LogRef LOG_WL_XDG_SURFACE = {"ghost.wl.handle.xdg_surface"};
|
|
#define LOG (&LOG_WL_XDG_SURFACE)
|
|
|
|
static void xdg_surface_handle_configure(void *data,
|
|
xdg_surface *xdg_surface,
|
|
const uint32_t serial)
|
|
{
|
|
GWL_Window *win = static_cast<GWL_Window *>(data);
|
|
|
|
if (win->xdg_decor->surface != xdg_surface) {
|
|
CLOG_DEBUG(LOG, "configure (skipped)");
|
|
return;
|
|
}
|
|
CLOG_DEBUG(LOG, "configure");
|
|
|
|
#ifdef USE_EVENT_BACKGROUND_THREAD
|
|
std::lock_guard lock_frame_guard{static_cast<GWL_Window *>(data)->frame_pending_mutex};
|
|
#endif
|
|
win->xdg_decor->pending.ack_configure = true;
|
|
win->xdg_decor->pending.ack_configure_serial = serial;
|
|
|
|
#ifdef USE_EVENT_BACKGROUND_THREAD
|
|
const GHOST_SystemWayland *system = win->ghost_system;
|
|
const bool is_main_thread = system->main_thread_id == std::this_thread::get_id();
|
|
if (!is_main_thread) {
|
|
/* NOTE(@ideasman42): this only gets one redraw,
|
|
* I could not find a case where this causes problems. */
|
|
gwl_window_pending_actions_tag(win, PENDING_WINDOW_FRAME_CONFIGURE);
|
|
}
|
|
else
|
|
#endif
|
|
{
|
|
gwl_window_frame_update_from_pending_no_lock(win);
|
|
}
|
|
}
|
|
|
|
static const xdg_surface_listener xdg_surface_listener = {
|
|
/*configure*/ xdg_surface_handle_configure,
|
|
};
|
|
|
|
#undef LOG
|
|
|
|
/** \} */
|
|
|
|
/* -------------------------------------------------------------------- */
|
|
/** \name Listener (Surface), #wl_surface_listener
|
|
* \{ */
|
|
|
|
static CLG_LogRef LOG_WL_SURFACE = {"ghost.wl.handle.surface"};
|
|
#define LOG (&LOG_WL_SURFACE)
|
|
|
|
static void surface_handle_enter(void *data, wl_surface * /*wl_surface*/, wl_output *wl_output)
|
|
{
|
|
if (!ghost_wl_output_own(wl_output)) {
|
|
CLOG_DEBUG(LOG, "enter (skipped)");
|
|
return;
|
|
}
|
|
CLOG_DEBUG(LOG, "enter");
|
|
|
|
GWL_Output *reg_output = ghost_wl_output_user_data(wl_output);
|
|
GHOST_WindowWayland *win = static_cast<GHOST_WindowWayland *>(data);
|
|
if (win->outputs_enter(reg_output)) {
|
|
win->outputs_changed_update_scale_tag();
|
|
}
|
|
}
|
|
|
|
static void surface_handle_leave(void *data, wl_surface * /*wl_surface*/, wl_output *wl_output)
|
|
{
|
|
if (!ghost_wl_output_own(wl_output)) {
|
|
CLOG_DEBUG(LOG, "leave (skipped)");
|
|
return;
|
|
}
|
|
CLOG_DEBUG(LOG, "leave");
|
|
|
|
GWL_Output *reg_output = ghost_wl_output_user_data(wl_output);
|
|
GHOST_WindowWayland *win = static_cast<GHOST_WindowWayland *>(data);
|
|
if (win->outputs_leave(reg_output)) {
|
|
win->outputs_changed_update_scale_tag();
|
|
}
|
|
}
|
|
|
|
#if defined(WL_SURFACE_PREFERRED_BUFFER_SCALE_SINCE_VERSION) && \
|
|
defined(WL_SURFACE_PREFERRED_BUFFER_TRANSFORM_SINCE_VERSION)
|
|
static void surface_handle_preferred_buffer_scale(void * /*data*/,
|
|
wl_surface * /*wl_surface*/,
|
|
const int32_t factor)
|
|
{
|
|
/* Only available in interface version 6. */
|
|
CLOG_DEBUG(LOG, "handle_preferred_buffer_scale (factor=%d)", factor);
|
|
}
|
|
|
|
static void surface_handle_preferred_buffer_transform(void * /*data*/,
|
|
wl_surface * /*wl_surface*/,
|
|
const uint32_t transform)
|
|
{
|
|
/* Only available in interface version 6. */
|
|
CLOG_DEBUG(LOG, "handle_preferred_buffer_transform (transform=%u)", transform);
|
|
}
|
|
#endif /* WL_SURFACE_PREFERRED_BUFFER_SCALE_SINCE_VERSION && \
|
|
* WL_SURFACE_PREFERRED_BUFFER_TRANSFORM_SINCE_VERSION */
|
|
|
|
static const wl_surface_listener wl_surface_listener = {
|
|
/*enter*/ surface_handle_enter,
|
|
/*leave*/ surface_handle_leave,
|
|
#if defined(WL_SURFACE_PREFERRED_BUFFER_SCALE_SINCE_VERSION) && \
|
|
defined(WL_SURFACE_PREFERRED_BUFFER_TRANSFORM_SINCE_VERSION)
|
|
/*preferred_buffer_scale*/ surface_handle_preferred_buffer_scale,
|
|
/*preferred_buffer_transform*/ surface_handle_preferred_buffer_transform,
|
|
#endif
|
|
};
|
|
|
|
#undef LOG
|
|
|
|
/** \} */
|
|
|
|
/* -------------------------------------------------------------------- */
|
|
/** \name GHOST Implementation
|
|
*
|
|
* WAYLAND specific implementation of the #GHOST_Window interface.
|
|
* \{ */
|
|
|
|
GHOST_WindowWayland::GHOST_WindowWayland(GHOST_SystemWayland *system,
|
|
const char *title,
|
|
const int32_t /*left*/,
|
|
const int32_t /*top*/,
|
|
const uint32_t width,
|
|
const uint32_t height,
|
|
const GHOST_TWindowState state,
|
|
const GHOST_IWindow *parent_window,
|
|
const GHOST_TDrawingContextType type,
|
|
const bool is_dialog,
|
|
const GHOST_ContextParams &context_params,
|
|
const bool exclusive,
|
|
const GHOST_GPUDevice &preferred_device)
|
|
: GHOST_Window(width, height, state, context_params, exclusive),
|
|
system_(system),
|
|
window_(new GWL_Window),
|
|
preferred_device_(preferred_device)
|
|
{
|
|
#ifdef USE_EVENT_BACKGROUND_THREAD
|
|
std::lock_guard lock_server_guard{*system->server_mutex};
|
|
#endif
|
|
|
|
window_->ghost_window = this;
|
|
window_->ghost_system = system;
|
|
window_->ghost_context_type = type;
|
|
|
|
wl_display *display = system->wl_display_get();
|
|
|
|
/* NOTE(@ideasman42): The scale set here to avoid flickering on startup.
|
|
* When all monitors use the same scale (which is quite common) there aren't any problems.
|
|
*
|
|
* When monitors have different scales there may still be a visible window resize on startup.
|
|
* Ideally it would be possible to know the scale this window will use however that's only
|
|
* known once #surface_enter callback runs (which isn't guaranteed to run at all).
|
|
*
|
|
* Using the maximum scale is best as it results in the window first being smaller,
|
|
* avoiding a large window flashing before it's made smaller.
|
|
*
|
|
* For fractional scaling the buffer will eventually be 1. Setting it to 1 now
|
|
* (to avoid window size rounding and buffer size switching) has some down-sides.
|
|
* It means the window will be drawn larger for a moment then smaller once fractional scaling
|
|
* is detected and enabled. Unfortunately, it doesn't seem possible to receive the
|
|
* #wp_fractional_scale_v1_listener::preferred_scale information before the window is created
|
|
* So leave the buffer scaled up because there is no *guarantee* the fractional scaling support
|
|
* will run which could result in an incorrect buffer scale. */
|
|
int scale_fractional_from_output;
|
|
const int buffer_scale_from_output = outputs_uniform_scale_or_default(
|
|
system_->outputs_get(), 0, &scale_fractional_from_output);
|
|
|
|
window_->frame.size[0] = int32_t(width);
|
|
window_->frame.size[1] = int32_t(height);
|
|
|
|
window_->is_dialog = is_dialog;
|
|
|
|
/* Window surfaces. */
|
|
window_->wl.surface = wl_compositor_create_surface(system_->wl_compositor_get());
|
|
ghost_wl_surface_tag(window_->wl.surface);
|
|
|
|
wl_surface_add_listener(window_->wl.surface, &wl_surface_listener, window_);
|
|
|
|
wp_fractional_scale_manager_v1 *fractional_scale_manager =
|
|
system->wp_fractional_scale_manager_get();
|
|
if (fractional_scale_manager) {
|
|
window_->wp.fractional_scale_handle = wp_fractional_scale_manager_v1_get_fractional_scale(
|
|
fractional_scale_manager, window_->wl.surface);
|
|
wp_fractional_scale_v1_add_listener(
|
|
window_->wp.fractional_scale_handle, &wp_fractional_scale_listener, window_);
|
|
}
|
|
|
|
/* NOTE: The limit is in points (not pixels) so Hi-DPI will limit to larger number of pixels.
|
|
* This has the advantage that the size limit is the same when moving the window between monitors
|
|
* with different scales set. If it was important to limit in pixels it could be re-calculated
|
|
* when the `window_->frame.buffer_scale` changed. */
|
|
const int32_t size_min[2] = {320, 240};
|
|
|
|
const char *xdg_app_id = GHOST_SystemWayland::xdg_app_id_get();
|
|
|
|
#ifdef WITH_GHOST_WAYLAND_LIBDECOR
|
|
if (use_libdecor) {
|
|
window_->libdecor = new GWL_LibDecor_Window;
|
|
GWL_LibDecor_Window &decor = *window_->libdecor;
|
|
|
|
/* create window decorations */
|
|
decor.frame = libdecor_decorate(
|
|
system_->libdecor_context_get(), window_->wl.surface, &libdecor_frame_iface, window_);
|
|
|
|
libdecor_frame_set_min_content_size(decor.frame, UNPACK2(size_min));
|
|
libdecor_frame_set_app_id(decor.frame, xdg_app_id);
|
|
|
|
if (parent_window) {
|
|
GWL_LibDecor_Window &decor_parent =
|
|
*dynamic_cast<const GHOST_WindowWayland *>(parent_window)->window_->libdecor;
|
|
libdecor_frame_set_parent(decor.frame, decor_parent.frame);
|
|
}
|
|
}
|
|
else
|
|
#endif
|
|
{
|
|
window_->xdg_decor = new GWL_XDG_Decor_Window;
|
|
GWL_XDG_Decor_Window &decor = *window_->xdg_decor;
|
|
decor.surface = xdg_wm_base_get_xdg_surface(system_->xdg_decor_shell_get(),
|
|
window_->wl.surface);
|
|
decor.toplevel = xdg_surface_get_toplevel(decor.surface);
|
|
|
|
xdg_toplevel_set_min_size(decor.toplevel, UNPACK2(size_min));
|
|
xdg_toplevel_set_app_id(decor.toplevel, xdg_app_id);
|
|
|
|
xdg_surface_add_listener(decor.surface, &xdg_surface_listener, window_);
|
|
xdg_toplevel_add_listener(decor.toplevel, &xdg_toplevel_listener, window_);
|
|
|
|
if (parent_window && is_dialog) {
|
|
GWL_XDG_Decor_Window &decor_parent =
|
|
*dynamic_cast<const GHOST_WindowWayland *>(parent_window)->window_->xdg_decor;
|
|
xdg_toplevel_set_parent(decor.toplevel, decor_parent.toplevel);
|
|
}
|
|
}
|
|
|
|
gwl_window_title_set(window_, title);
|
|
|
|
#ifdef WITH_GHOST_WAYLAND_LIBDECOR
|
|
if (use_libdecor) {
|
|
/* Postpone mapping the window until after the app-id & title have been set.
|
|
* While this doesn't seem to be a requirement, LIBDECOR example code does this. */
|
|
libdecor_frame_map(window_->libdecor->frame);
|
|
}
|
|
#endif
|
|
|
|
wl_surface_set_user_data(window_->wl.surface, this);
|
|
|
|
/* NOTE: the method used for XDG & LIBDECOR initialization (using `initial_configure_seen`)
|
|
* follows the method used in SDL 3.16. */
|
|
|
|
/* Causes a glitch with `libdecor` for some reason. */
|
|
#ifdef WITH_GHOST_WAYLAND_LIBDECOR
|
|
if (use_libdecor) {
|
|
/* Pass. */
|
|
}
|
|
else
|
|
#endif /* WITH_GHOST_WAYLAND_LIBDECOR */
|
|
{
|
|
GWL_XDG_Decor_Window &decor = *window_->xdg_decor;
|
|
|
|
if (system_->xdg_decor_manager_get()) {
|
|
decor.toplevel_decor = zxdg_decoration_manager_v1_get_toplevel_decoration(
|
|
system_->xdg_decor_manager_get(), decor.toplevel);
|
|
zxdg_toplevel_decoration_v1_add_listener(
|
|
decor.toplevel_decor, &xdg_toplevel_decoration_v1_listener, window_);
|
|
zxdg_toplevel_decoration_v1_set_mode(decor.toplevel_decor,
|
|
ZXDG_TOPLEVEL_DECORATION_V1_MODE_SERVER_SIDE);
|
|
}
|
|
|
|
/* Commit needed to so configure callback runs. */
|
|
wl_surface_commit(window_->wl.surface);
|
|
|
|
/* Failure exits with an error, simply prevent an eternal loop. */
|
|
while (!decor.initial_configure_seen && !ghost_wl_display_report_error_if_set(display)) {
|
|
wl_display_flush(display);
|
|
wl_display_dispatch(display);
|
|
}
|
|
}
|
|
|
|
/* If the scale is known early, setup the window scale.
|
|
* Otherwise accept an unsightly flicker once the outputs scale can be found. */
|
|
int early_buffer_scale = 0;
|
|
int early_fractional_scale = 0;
|
|
|
|
if (const int test_fractional_scale =
|
|
fractional_scale_manager ? (window_->frame_pending.fractional_scale_preferred ?
|
|
window_->frame_pending.fractional_scale_preferred :
|
|
scale_fractional_from_output) :
|
|
0)
|
|
{
|
|
if (!gwl_round_int_test(test_fractional_scale, FRACTIONAL_DENOMINATOR)) {
|
|
early_fractional_scale = test_fractional_scale;
|
|
}
|
|
else {
|
|
/* Rounded, use simple integer buffer scaling. */
|
|
early_buffer_scale = test_fractional_scale / FRACTIONAL_DENOMINATOR;
|
|
early_fractional_scale = 0;
|
|
}
|
|
}
|
|
else if (buffer_scale_from_output) {
|
|
early_buffer_scale = buffer_scale_from_output;
|
|
}
|
|
|
|
if (early_fractional_scale != 0) {
|
|
/* Fractional scale is known. */
|
|
|
|
window_->frame.fractional_scale_preferred = early_fractional_scale;
|
|
window_->frame.fractional_scale = early_fractional_scale;
|
|
window_->frame.buffer_scale = 1;
|
|
|
|
window_->frame_pending.fractional_scale_preferred = early_fractional_scale;
|
|
window_->frame_pending.fractional_scale = early_fractional_scale;
|
|
window_->frame_pending.buffer_scale = 1;
|
|
|
|
/* The scale is considered initialized now. */
|
|
window_->frame_pending.is_scale_init = true;
|
|
|
|
/* Always commit and set the scale. */
|
|
bool surface_needs_commit_dummy = false, surface_needs_buffer_scale_dummy = false;
|
|
gwl_window_frame_pending_fractional_scale_set_notest(
|
|
window_, &surface_needs_commit_dummy, &surface_needs_buffer_scale_dummy);
|
|
}
|
|
else if (early_buffer_scale != 0) {
|
|
/* Non-fractional scale is known. */
|
|
|
|
/* No fractional scale, simple initialization. */
|
|
window_->frame.buffer_scale = early_buffer_scale;
|
|
window_->frame_pending.buffer_scale = early_buffer_scale;
|
|
|
|
/* The scale is considered initialized now. */
|
|
window_->frame_pending.is_scale_init = true;
|
|
|
|
/* The window surface must be rounded to the scale,
|
|
* failing to do so causes the WAYLAND-server to close the window immediately. */
|
|
gwl_round_int2_by(window_->frame.size, window_->frame.buffer_scale);
|
|
}
|
|
else {
|
|
/* Scale isn't known (the windows size may flicker when #outputs_changed_update_scale runs). */
|
|
window_->frame.buffer_scale = 1;
|
|
window_->frame_pending.buffer_scale = 1;
|
|
GHOST_ASSERT(window_->frame_pending.is_scale_init == false,
|
|
"An initialized scale is not expected");
|
|
}
|
|
|
|
if (window_->frame_pending.is_scale_init) {
|
|
/* If the output scale changes here it means the scale settings were not properly set. */
|
|
GHOST_ASSERT(outputs_changed_update_scale() == false,
|
|
"Fractional scale was not properly initialized");
|
|
}
|
|
|
|
wl_surface_set_buffer_scale(window_->wl.surface, window_->frame.buffer_scale);
|
|
|
|
/* Apply Bounds.
|
|
* Important to run after the buffer scale is known & before the buffer is created. */
|
|
#ifdef WITH_GHOST_WAYLAND_LIBDECOR
|
|
if (use_libdecor) {
|
|
/* Pass (unsupported). */
|
|
}
|
|
else
|
|
#endif /* WITH_GHOST_WAYLAND_LIBDECOR */
|
|
{
|
|
const GWL_XDG_Decor_Window &decor = *window_->xdg_decor;
|
|
if (decor.initial_bounds[0] && decor.initial_bounds[1]) {
|
|
window_->frame.size[0] = std::min(window_->frame.size[0],
|
|
decor.initial_bounds[0] * window_->frame.buffer_scale);
|
|
window_->frame.size[1] = std::min(window_->frame.size[1],
|
|
decor.initial_bounds[1] * window_->frame.buffer_scale);
|
|
}
|
|
}
|
|
|
|
/* Postpone binding the buffer until after it's decor has been configured:
|
|
* - Ensure the window is sized properly (with XDG window decorations), see: #113059.
|
|
* - Avoids flickering on startup.
|
|
*/
|
|
#ifdef WITH_OPENGL_BACKEND
|
|
if (type == GHOST_kDrawingContextTypeOpenGL) {
|
|
window_->backend.egl_window = wl_egl_window_create(
|
|
window_->wl.surface, int(window_->frame.size[0]), int(window_->frame.size[1]));
|
|
}
|
|
#endif
|
|
#ifdef WITH_VULKAN_BACKEND
|
|
if (type == GHOST_kDrawingContextTypeVulkan) {
|
|
window_->backend.vulkan_window_info = new GHOST_ContextVK_WindowInfo;
|
|
window_->backend.vulkan_window_info->size[0] = window_->frame.size[0];
|
|
window_->backend.vulkan_window_info->size[1] = window_->frame.size[1];
|
|
window_->backend.vulkan_window_info->is_color_managed = true;
|
|
}
|
|
#endif
|
|
|
|
#ifdef WITH_GHOST_WAYLAND_LIBDECOR
|
|
# ifdef WITH_VULKAN_BACKEND
|
|
const bool libdecor_wait_for_window_init = (type == GHOST_kDrawingContextTypeVulkan);
|
|
# else
|
|
const bool libdecor_wait_for_window_init = false;
|
|
# endif
|
|
#endif
|
|
|
|
/* Drawing context. */
|
|
if (setDrawingContextType(type) == GHOST_kFailure) {
|
|
/* This can happen when repeatedly creating windows, see #123096.
|
|
* In this case #GHOST_WindowWayland::getValid will return false. */
|
|
GHOST_PRINT("Failed to create drawing context" << std::endl);
|
|
}
|
|
else {
|
|
window_->is_valid_setup = true;
|
|
}
|
|
|
|
if (window_->is_valid_setup == false) {
|
|
/* Don't attempt to setup the window if there is no context.
|
|
* This window is considered invalid and will be removed. */
|
|
}
|
|
else
|
|
#ifdef WITH_GHOST_WAYLAND_LIBDECOR
|
|
if (use_libdecor && libdecor_wait_for_window_init)
|
|
{
|
|
/* Ensuring the XDG window has been created is *not* supported by VULKAN.
|
|
*
|
|
* Although this was once supported using a temporary SHM buffer,
|
|
* a DMA buffer is now required by some drivers which turns out to be
|
|
* impractical to create here, specially since it's only for a temporary buffer.
|
|
*
|
|
* Workaround the problem by postponing changes to the window state.
|
|
* This causes minor but noticeable glitch when starting maximized,
|
|
* where a rectangle is first shown before maximizing.
|
|
* With EGL this also happens however maximizing is almost immediate.
|
|
*
|
|
* This can't be avoided at the moment since LIBDECOR requires the window
|
|
* to be created before it's configured (sigh!).
|
|
* This can be removed if CSD are implemented, see: #113795. */
|
|
GWL_LibDecor_Window &decor = *window_->libdecor;
|
|
decor.initial_configure_state = state;
|
|
}
|
|
else if (use_libdecor) {
|
|
/* Commit needed so the top-level callbacks run (and `toplevel` can be accessed). */
|
|
wl_surface_commit(window_->wl.surface);
|
|
GWL_LibDecor_Window &decor = *window_->libdecor;
|
|
|
|
/* Additional round-trip is needed to ensure `xdg_toplevel` is set. */
|
|
wl_display_roundtrip(display);
|
|
|
|
/* NOTE: LIBDECOR requires the window to be created & configured before the state can be set.
|
|
* Workaround this by using the underlying `xdg_toplevel` */
|
|
|
|
/* Failure exits with an error, simply prevent an eternal loop. */
|
|
while (!decor.initial_configure_seen && !ghost_wl_display_report_error_if_set(display)) {
|
|
wl_display_flush(display);
|
|
wl_display_dispatch(display);
|
|
}
|
|
|
|
xdg_toplevel *toplevel = libdecor_frame_get_xdg_toplevel(decor.frame);
|
|
gwl_window_state_set_for_xdg(toplevel, state, gwl_window_state_get(window_));
|
|
|
|
/* NOTE(@ideasman42): Round trips are necessary with LIBDECOR on GNOME
|
|
* because resizing later on and redrawing does *not* update as it should, see #119871.
|
|
*
|
|
* Without the round-trip here:
|
|
* - The window will be created and this function will return using the requested buffer size,
|
|
* instead of the window size which ends up being used (causing a visible flicker).
|
|
* This has the down side that Blender's internal window state has the outdated size
|
|
* which then gets immediately resized, causing a noticeable glitch.
|
|
* - The window decorations will be displayed at the wrong size before refreshing
|
|
* at the new size.
|
|
* - On GNOME-Shell 46 shows the previous buffer-size under some conditions.
|
|
*
|
|
* In principle this could be used with XDG too however it causes problems with KDE
|
|
* and some WLROOTS based compositors.
|
|
*/
|
|
wl_display_roundtrip(display);
|
|
}
|
|
else
|
|
#endif /* WITH_GHOST_WAYLAND_LIBDECOR */
|
|
{
|
|
gwl_window_state_set(window_, state);
|
|
}
|
|
|
|
/* Commit after setting the buffer.
|
|
* While postponing until after the buffer drawing is context is set
|
|
* isn't essential, it reduces flickering. */
|
|
wl_surface_commit(window_->wl.surface);
|
|
|
|
#ifdef WITH_OPENGL_BACKEND
|
|
if (type == GHOST_kDrawingContextTypeOpenGL) {
|
|
/* NOTE(@ideasman42): Set the swap interval to 0 (disable VSync) to prevent blocking.
|
|
* This was reported for SDL in 2021 so it may be good to revisit this decision
|
|
* at some point since forcing the VSync setting seems heavy-handed,
|
|
* especially if the issue gets resolved up-stream.
|
|
*
|
|
* For reference: https://github.com/libsdl-org/SDL/issues/4335
|
|
* From the report the compositor causing problems was GNOME's Mutter. */
|
|
setSwapInterval(0);
|
|
}
|
|
#endif
|
|
|
|
window_->is_init = true;
|
|
}
|
|
|
|
GHOST_WindowWayland::~GHOST_WindowWayland()
|
|
{
|
|
#ifdef USE_EVENT_BACKGROUND_THREAD
|
|
std::lock_guard lock_server_guard{*system_->server_mutex};
|
|
#endif
|
|
|
|
releaseNativeHandles();
|
|
|
|
#ifdef WITH_OPENGL_BACKEND
|
|
if (window_->ghost_context_type == GHOST_kDrawingContextTypeOpenGL) {
|
|
wl_egl_window_destroy(window_->backend.egl_window);
|
|
}
|
|
#endif
|
|
#ifdef WITH_VULKAN_BACKEND
|
|
if (window_->ghost_context_type == GHOST_kDrawingContextTypeVulkan) {
|
|
delete window_->backend.vulkan_window_info;
|
|
}
|
|
#endif
|
|
|
|
if (window_->xdg.activation_token) {
|
|
xdg_activation_token_v1_destroy(window_->xdg.activation_token);
|
|
window_->xdg.activation_token = nullptr;
|
|
}
|
|
|
|
if (window_->wp.fractional_scale_handle) {
|
|
wp_fractional_scale_v1_destroy(window_->wp.fractional_scale_handle);
|
|
window_->wp.fractional_scale_handle = nullptr;
|
|
}
|
|
|
|
if (window_->wp.viewport) {
|
|
wp_viewport_destroy(window_->wp.viewport);
|
|
window_->wp.viewport = nullptr;
|
|
}
|
|
|
|
#ifdef WITH_GHOST_WAYLAND_LIBDECOR
|
|
if (use_libdecor) {
|
|
gwl_libdecor_window_destroy(window_->libdecor);
|
|
}
|
|
else
|
|
#endif
|
|
{
|
|
gwl_xdg_decor_window_destroy(window_->xdg_decor);
|
|
}
|
|
|
|
/* Clear any pointers to this window. This is needed because there are no guarantees
|
|
* that flushing the display will the "leave" handlers before handling events. */
|
|
system_->window_surface_unref(window_->wl.surface);
|
|
|
|
wl_surface_destroy(window_->wl.surface);
|
|
|
|
/* NOTE(@ideasman42): Flushing will often run the appropriate handlers event
|
|
* (#wl_surface_listener.leave in particular) to avoid attempted access to the freed surfaces.
|
|
* This is not fool-proof though, hence the call to #window_surface_unref, see: #99078. */
|
|
wl_display_flush(system_->wl_display_get());
|
|
|
|
if (window_->cursor_generator) {
|
|
gwl_window_cursor_custom_free(window_->cursor_generator);
|
|
}
|
|
|
|
delete window_;
|
|
}
|
|
|
|
#ifdef USE_EVENT_BACKGROUND_THREAD
|
|
GHOST_TSuccess GHOST_WindowWayland::swapBuffers()
|
|
{
|
|
GHOST_ASSERT(system_->main_thread_id == std::this_thread::get_id(), "Only from main thread!");
|
|
return GHOST_Window::swapBuffers();
|
|
}
|
|
#endif /* USE_EVENT_BACKGROUND_THREAD */
|
|
|
|
GHOST_TSuccess GHOST_WindowWayland::hasCursorShape(GHOST_TStandardCursor cursor_shape)
|
|
{
|
|
return system_->cursor_shape_check(cursor_shape);
|
|
}
|
|
|
|
GHOST_TSuccess GHOST_WindowWayland::setWindowCursorGrab(GHOST_TGrabCursorMode mode)
|
|
{
|
|
#ifdef USE_EVENT_BACKGROUND_THREAD
|
|
std::lock_guard lock_server_guard{*system_->server_mutex};
|
|
#endif
|
|
|
|
GHOST_Rect bounds_buf;
|
|
const GHOST_Rect *bounds = nullptr;
|
|
if (cursor_grab_ == GHOST_kGrabWrap) {
|
|
if (getCursorGrabBounds(bounds_buf) == GHOST_kFailure) {
|
|
getClientBounds(bounds_buf);
|
|
}
|
|
bounds = &bounds_buf;
|
|
}
|
|
|
|
if (system_->window_cursor_grab_set(mode,
|
|
cursor_grab_,
|
|
cursor_grab_init_pos_,
|
|
bounds,
|
|
cursor_grab_axis_,
|
|
window_->wl.surface,
|
|
this->scale_params_get()))
|
|
{
|
|
return GHOST_kSuccess;
|
|
}
|
|
return GHOST_kFailure;
|
|
}
|
|
|
|
GHOST_TSuccess GHOST_WindowWayland::setWindowCursorShape(GHOST_TStandardCursor shape)
|
|
{
|
|
#ifdef USE_EVENT_BACKGROUND_THREAD
|
|
std::lock_guard lock_server_guard{*system_->server_mutex};
|
|
#endif
|
|
|
|
const bool is_active = this == static_cast<const GHOST_WindowWayland *>(
|
|
system_->getWindowManager()->getActiveWindow());
|
|
gwl_window_cursor_custom_clear(&window_->cursor_generator);
|
|
cursor_shape_ = shape;
|
|
|
|
GHOST_TSuccess ok;
|
|
if (is_active) {
|
|
ok = system_->cursor_shape_set(cursor_shape_);
|
|
GHOST_TSuccess ok_test = ok;
|
|
if (ok == GHOST_kFailure) {
|
|
/* Failed, try again with the default cursor. */
|
|
cursor_shape_ = GHOST_kStandardCursorDefault;
|
|
ok_test = system_->cursor_shape_set(cursor_shape_);
|
|
}
|
|
|
|
wl_display *display = system_->wl_display_get();
|
|
#ifdef USE_CURSOR_IMMEDIATE_DISPATCH
|
|
if (ok == GHOST_kSuccess || ok_test == GHOST_kSuccess) {
|
|
wl_display_flush(display);
|
|
wl_display_dispatch_pending(display);
|
|
}
|
|
else
|
|
#endif /* USE_CURSOR_IMMEDIATE_DISPATCH */
|
|
if (ok_test == GHOST_kFailure) {
|
|
/* For the cursor to display when the event queue isn't being handled. */
|
|
wl_display_flush(display);
|
|
}
|
|
}
|
|
else {
|
|
/* Set later when activating the window. */
|
|
ok = system_->cursor_shape_check(shape);
|
|
if (ok == GHOST_kFailure) {
|
|
cursor_shape_ = GHOST_kStandardCursorDefault;
|
|
}
|
|
}
|
|
return ok;
|
|
}
|
|
|
|
bool GHOST_WindowWayland::getCursorGrabUseSoftwareDisplay()
|
|
{
|
|
#ifdef USE_EVENT_BACKGROUND_THREAD
|
|
std::lock_guard lock_server_guard{*system_->server_mutex};
|
|
#endif
|
|
return system_->cursor_grab_use_software_display_get(cursor_grab_);
|
|
}
|
|
|
|
GHOST_TSuccess GHOST_WindowWayland::setWindowCustomCursorGenerator(
|
|
GHOST_CursorGenerator *cursor_generator)
|
|
{
|
|
/* Before this, all logic is just setting up the cursor. */
|
|
#ifdef USE_EVENT_BACKGROUND_THREAD
|
|
std::lock_guard lock_server_guard{*system_->server_mutex};
|
|
#endif
|
|
cursor_shape_ = GHOST_kStandardCursorCustom;
|
|
if (window_->cursor_generator) {
|
|
gwl_window_cursor_custom_free(window_->cursor_generator);
|
|
}
|
|
window_->cursor_generator = cursor_generator;
|
|
|
|
GHOST_TSuccess success = cursor_shape_refresh();
|
|
|
|
/* Let refresh handle applying the changes. */
|
|
if (success == GHOST_kSuccess) {
|
|
wl_display *display = system_->wl_display_get();
|
|
/* For the cursor to display when the event queue isn't being handled. */
|
|
wl_display_flush(display);
|
|
#ifdef USE_CURSOR_IMMEDIATE_DISPATCH
|
|
wl_display_dispatch_pending(display);
|
|
#endif
|
|
}
|
|
return success;
|
|
}
|
|
|
|
GHOST_TSuccess GHOST_WindowWayland::setWindowCustomCursorShape(const uint8_t *bitmap,
|
|
const uint8_t *mask,
|
|
const int size[2],
|
|
const int hot_spot[2],
|
|
const bool can_invert_color)
|
|
{
|
|
/* This is no longer needed as all cursors are generated on demand. */
|
|
GHOST_ASSERT(false, "All cursors must be generated!");
|
|
(void)bitmap;
|
|
(void)mask;
|
|
(void)size;
|
|
(void)hot_spot;
|
|
(void)can_invert_color;
|
|
|
|
return GHOST_kFailure;
|
|
}
|
|
|
|
GHOST_TSuccess GHOST_WindowWayland::getCursorBitmap(GHOST_CursorBitmapRef *bitmap)
|
|
{
|
|
#ifdef USE_EVENT_BACKGROUND_THREAD
|
|
std::lock_guard lock_server_guard{*system_->server_mutex};
|
|
#endif
|
|
return system_->cursor_bitmap_get(bitmap);
|
|
}
|
|
|
|
bool GHOST_WindowWayland::getValid() const
|
|
{
|
|
return GHOST_Window::getValid() && window_->is_valid_setup;
|
|
}
|
|
|
|
void GHOST_WindowWayland::setTitle(const char *title)
|
|
{
|
|
#ifdef USE_EVENT_BACKGROUND_THREAD
|
|
std::lock_guard lock_server_guard{*system_->server_mutex};
|
|
#endif
|
|
gwl_window_title_set(window_, title);
|
|
}
|
|
|
|
std::string GHOST_WindowWayland::getTitle() const
|
|
{
|
|
/* No need to lock `server_mutex` (WAYLAND never changes this). */
|
|
return window_->title.empty() ? "untitled" : window_->title;
|
|
}
|
|
|
|
void GHOST_WindowWayland::getWindowBounds(GHOST_Rect &bounds) const
|
|
{
|
|
getClientBounds(bounds);
|
|
}
|
|
|
|
void GHOST_WindowWayland::getClientBounds(GHOST_Rect &bounds) const
|
|
{
|
|
/* No need to lock `server_mutex` (WAYLAND never changes this in a thread). */
|
|
bounds.set(0, 0, UNPACK2(window_->frame.size));
|
|
}
|
|
|
|
GHOST_TSuccess GHOST_WindowWayland::setClientWidth(const uint32_t width)
|
|
{
|
|
return setClientSize(width, uint32_t(window_->frame.size[1]));
|
|
}
|
|
|
|
GHOST_TSuccess GHOST_WindowWayland::setClientHeight(const uint32_t height)
|
|
{
|
|
return setClientSize(uint32_t(window_->frame.size[0]), height);
|
|
}
|
|
|
|
GHOST_TSuccess GHOST_WindowWayland::setClientSize(const uint32_t width, const uint32_t height)
|
|
{
|
|
#ifdef USE_EVENT_BACKGROUND_THREAD
|
|
std::lock_guard lock_server_guard{*system_->server_mutex};
|
|
std::lock_guard lock_frame_guard{window_->frame_pending_mutex};
|
|
#endif
|
|
|
|
GWL_WindowFrame &frame_pending = window_->frame_pending;
|
|
|
|
frame_pending.size[0] = width;
|
|
frame_pending.size[1] = height;
|
|
gwl_round_int2_by(frame_pending.size, frame_pending.buffer_scale);
|
|
|
|
gwl_window_frame_pending_size_set(window_, nullptr, nullptr, nullptr);
|
|
|
|
return GHOST_kSuccess;
|
|
}
|
|
|
|
void GHOST_WindowWayland::screenToClient(const int32_t inX,
|
|
const int32_t inY,
|
|
int32_t &outX,
|
|
int32_t &outY) const
|
|
{
|
|
outX = inX;
|
|
outY = inY;
|
|
}
|
|
|
|
void GHOST_WindowWayland::clientToScreen(const int32_t inX,
|
|
const int32_t inY,
|
|
int32_t &outX,
|
|
int32_t &outY) const
|
|
{
|
|
outX = inX;
|
|
outY = inY;
|
|
}
|
|
|
|
uint16_t GHOST_WindowWayland::getDPIHint()
|
|
{
|
|
/* No need to lock `server_mutex`
|
|
* (`outputs_changed_update_scale` never changes values in a non-main thread). */
|
|
|
|
if (window_->frame.fractional_scale) {
|
|
return gwl_window_fractional_to_viewport(window_->frame, base_dpi);
|
|
}
|
|
|
|
return window_->frame.buffer_scale * base_dpi;
|
|
}
|
|
|
|
GHOST_TSuccess GHOST_WindowWayland::setWindowCursorVisibility(const bool visible)
|
|
{
|
|
#ifdef USE_EVENT_BACKGROUND_THREAD
|
|
std::lock_guard lock_server_guard{*system_->server_mutex};
|
|
#endif
|
|
const GHOST_TSuccess ok = system_->cursor_visibility_set(visible);
|
|
if (ok == GHOST_kSuccess) {
|
|
wl_display *display = system_->wl_display_get();
|
|
/* For the cursor to display when the event queue isn't being handled. */
|
|
wl_display_flush(display);
|
|
#ifdef USE_CURSOR_IMMEDIATE_DISPATCH
|
|
wl_display_dispatch_pending(display);
|
|
#endif
|
|
}
|
|
return ok;
|
|
}
|
|
|
|
GHOST_TSuccess GHOST_WindowWayland::setState(GHOST_TWindowState state)
|
|
{
|
|
#ifdef USE_EVENT_BACKGROUND_THREAD
|
|
std::lock_guard lock_server_guard{*system_->server_mutex};
|
|
#endif
|
|
return gwl_window_state_set(window_, state) ? GHOST_kSuccess : GHOST_kFailure;
|
|
}
|
|
|
|
GHOST_TWindowState GHOST_WindowWayland::getState() const
|
|
{
|
|
#ifdef USE_EVENT_BACKGROUND_THREAD
|
|
std::lock_guard lock_server_guard{*system_->server_mutex};
|
|
#endif
|
|
return gwl_window_state_get(window_);
|
|
}
|
|
|
|
GHOST_TSuccess GHOST_WindowWayland::invalidate()
|
|
{
|
|
return GHOST_kSuccess;
|
|
}
|
|
|
|
GHOST_TSuccess GHOST_WindowWayland::setOrder(GHOST_TWindowOrder order)
|
|
{
|
|
/* NOTE(@ideasman42): only activation is supported (on X11 & Cocoa for example)
|
|
* both activation and raising is performed. Since WAYLAND only supports activation,
|
|
* do that as the compositor will likely raise the window as well.
|
|
* Although it's not ideal that raising does something but lowering a window is ignored. */
|
|
if (order == GHOST_kWindowOrderTop) {
|
|
gwl_window_activate(window_);
|
|
}
|
|
|
|
return GHOST_kSuccess;
|
|
}
|
|
|
|
bool GHOST_WindowWayland::isDialog() const
|
|
{
|
|
return window_->is_dialog;
|
|
}
|
|
|
|
GHOST_Context *GHOST_WindowWayland::newDrawingContext(GHOST_TDrawingContextType type)
|
|
{
|
|
switch (type) {
|
|
case GHOST_kDrawingContextTypeNone: {
|
|
GHOST_Context *context = new GHOST_ContextNone(want_context_params_);
|
|
return context;
|
|
}
|
|
|
|
#ifdef WITH_VULKAN_BACKEND
|
|
case GHOST_kDrawingContextTypeVulkan: {
|
|
GHOST_ContextVK *context = new GHOST_ContextVK(want_context_params_,
|
|
GHOST_kVulkanPlatformWayland,
|
|
0,
|
|
nullptr,
|
|
window_->wl.surface,
|
|
system_->wl_display_get(),
|
|
window_->backend.vulkan_window_info,
|
|
1,
|
|
2,
|
|
preferred_device_);
|
|
if (context->initializeDrawingContext()) {
|
|
return context;
|
|
}
|
|
delete context;
|
|
return nullptr;
|
|
}
|
|
#endif
|
|
|
|
#ifdef WITH_OPENGL_BACKEND
|
|
case GHOST_kDrawingContextTypeOpenGL: {
|
|
for (int minor = 6; minor >= 3; --minor) {
|
|
GHOST_Context *context = new GHOST_ContextEGL(
|
|
system_,
|
|
want_context_params_,
|
|
EGLNativeWindowType(window_->backend.egl_window),
|
|
EGLNativeDisplayType(system_->wl_display_get()),
|
|
EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT,
|
|
4,
|
|
minor,
|
|
GHOST_OPENGL_EGL_CONTEXT_FLAGS |
|
|
(want_context_params_.is_debug ? EGL_CONTEXT_OPENGL_DEBUG_BIT_KHR : 0),
|
|
GHOST_OPENGL_EGL_RESET_NOTIFICATION_STRATEGY,
|
|
EGL_OPENGL_API);
|
|
|
|
if (context->initializeDrawingContext()) {
|
|
return context;
|
|
}
|
|
delete context;
|
|
}
|
|
return nullptr;
|
|
}
|
|
#endif
|
|
|
|
default:
|
|
/* Unsupported backend. */
|
|
return nullptr;
|
|
}
|
|
}
|
|
|
|
#ifdef WITH_INPUT_IME
|
|
|
|
void GHOST_WindowWayland::beginIME(
|
|
const int32_t x, const int32_t y, const int32_t w, const int32_t h, const bool completed)
|
|
{
|
|
system_->ime_begin(this, x, y, w, h, completed);
|
|
}
|
|
|
|
void GHOST_WindowWayland::endIME()
|
|
{
|
|
system_->ime_end(this);
|
|
}
|
|
|
|
#endif
|
|
|
|
/** \} */
|
|
|
|
/* -------------------------------------------------------------------- */
|
|
/** \name Public WAYLAND Direct Data Access
|
|
*
|
|
* Expose some members via methods.
|
|
* \{ */
|
|
|
|
int GHOST_WindowWayland::scale_get() const
|
|
{
|
|
return window_->frame.buffer_scale;
|
|
}
|
|
|
|
const GWL_WindowScaleParams &GHOST_WindowWayland::scale_params_get() const
|
|
{
|
|
/* NOTE(@ideasman42): This could be kept initialized,
|
|
* since it's such a small struct it's not so important. */
|
|
GWL_WindowScaleParams *scale_params = &window_->scale_params;
|
|
scale_params->is_fractional = (window_->frame.fractional_scale != 0);
|
|
scale_params->scale = scale_params->is_fractional ? window_->frame.fractional_scale :
|
|
window_->frame.buffer_scale;
|
|
return *scale_params;
|
|
}
|
|
|
|
wl_fixed_t GHOST_WindowWayland::wl_fixed_from_window(wl_fixed_t value) const
|
|
{
|
|
if (window_->frame.fractional_scale) {
|
|
return gwl_window_fractional_from_viewport(window_->frame, value);
|
|
}
|
|
return value / window_->frame.buffer_scale;
|
|
}
|
|
|
|
wl_fixed_t GHOST_WindowWayland::wl_fixed_to_window(wl_fixed_t value) const
|
|
{
|
|
if (window_->frame.fractional_scale) {
|
|
return gwl_window_fractional_to_viewport(window_->frame, value);
|
|
}
|
|
return value * window_->frame.buffer_scale;
|
|
}
|
|
|
|
wl_surface *GHOST_WindowWayland::wl_surface_get() const
|
|
{
|
|
return window_->wl.surface;
|
|
}
|
|
|
|
const std::vector<GWL_Output *> &GHOST_WindowWayland::outputs_get()
|
|
{
|
|
return window_->outputs;
|
|
}
|
|
|
|
/** \} */
|
|
|
|
/* -------------------------------------------------------------------- */
|
|
/** \name Public WAYLAND Window Level Functions
|
|
*
|
|
* High Level Windowing Utilities.
|
|
* \{ */
|
|
|
|
GHOST_TSuccess GHOST_WindowWayland::close()
|
|
{
|
|
return system_->pushEvent_maybe_pending(
|
|
new GHOST_Event(system_->getMilliSeconds(), GHOST_kEventWindowClose, this));
|
|
}
|
|
|
|
GHOST_TSuccess GHOST_WindowWayland::activate()
|
|
{
|
|
#ifdef USE_EVENT_BACKGROUND_THREAD
|
|
const bool is_main_thread = system_->main_thread_id == std::this_thread::get_id();
|
|
if (is_main_thread)
|
|
#endif
|
|
{
|
|
/* This can run while the window being initialized.
|
|
* In this case, skip setting the window active but add the event, see: #120465. */
|
|
if (window_->is_init) {
|
|
if (system_->getWindowManager()->setActiveWindow(this) == GHOST_kFailure) {
|
|
return GHOST_kFailure;
|
|
}
|
|
}
|
|
}
|
|
const GHOST_TSuccess success = system_->pushEvent_maybe_pending(
|
|
new GHOST_Event(system_->getMilliSeconds(), GHOST_kEventWindowActivate, this));
|
|
#ifdef WITH_GHOST_WAYLAND_LIBDECOR
|
|
if (success == GHOST_kSuccess) {
|
|
if (use_libdecor) {
|
|
/* Ensure there is a swap-buffers, needed for the updated window borders to refresh. */
|
|
notify_decor_redraw();
|
|
}
|
|
}
|
|
#endif
|
|
return success;
|
|
}
|
|
|
|
GHOST_TSuccess GHOST_WindowWayland::deactivate()
|
|
{
|
|
#ifdef USE_EVENT_BACKGROUND_THREAD
|
|
/* Actual activation is handled when processing pending events. */
|
|
const bool is_main_thread = system_->main_thread_id == std::this_thread::get_id();
|
|
if (is_main_thread)
|
|
#endif
|
|
{
|
|
/* See code comments for #GHOST_WindowWayland::activate. */
|
|
if (window_->is_init) {
|
|
system_->getWindowManager()->setWindowInactive(this);
|
|
}
|
|
}
|
|
const GHOST_TSuccess success = system_->pushEvent_maybe_pending(
|
|
new GHOST_Event(system_->getMilliSeconds(), GHOST_kEventWindowDeactivate, this));
|
|
#ifdef WITH_GHOST_WAYLAND_LIBDECOR
|
|
if (success == GHOST_kSuccess) {
|
|
if (use_libdecor) {
|
|
/* Ensure there is a swap-buffers, needed for the updated window borders to refresh. */
|
|
notify_decor_redraw();
|
|
}
|
|
}
|
|
#endif
|
|
return success;
|
|
}
|
|
|
|
GHOST_TSuccess GHOST_WindowWayland::notify_size()
|
|
{
|
|
return system_->pushEvent_maybe_pending(
|
|
new GHOST_Event(system_->getMilliSeconds(), GHOST_kEventWindowSize, this));
|
|
}
|
|
|
|
GHOST_TSuccess GHOST_WindowWayland::notify_decor_redraw()
|
|
{
|
|
/* NOTE: we want to `swapBuffers`, however this may run from a thread and
|
|
* when this windows OpenGL context is not active, so send and update event instead. */
|
|
return system_->pushEvent_maybe_pending(
|
|
new GHOST_Event(system_->getMilliSeconds(), GHOST_kEventWindowUpdateDecor, this));
|
|
}
|
|
|
|
/** \} */
|
|
|
|
/* -------------------------------------------------------------------- */
|
|
/** \name Public WAYLAND Utility Functions
|
|
*
|
|
* Functionality only used for the WAYLAND implementation.
|
|
* \{ */
|
|
|
|
GHOST_TSuccess GHOST_WindowWayland::cursor_shape_refresh()
|
|
{
|
|
#ifdef USE_EVENT_BACKGROUND_THREAD
|
|
if (system_->main_thread_id != std::this_thread::get_id()) {
|
|
gwl_window_pending_actions_tag(window_, PENDING_WINDOW_CURSOR_SHAPE_REFRESH);
|
|
return GHOST_kSuccess;
|
|
}
|
|
#endif
|
|
return gwl_window_cursor_shape_refresh(cursor_shape_, window_->cursor_generator, system_);
|
|
}
|
|
|
|
void GHOST_WindowWayland::outputs_changed_update_scale_tag()
|
|
{
|
|
#ifdef USE_EVENT_BACKGROUND_THREAD
|
|
|
|
/* NOTE: if deferring causes problems, it could be isolated to the first scale initialization
|
|
* See: #GWL_WindowFrame::is_scale_init. */
|
|
gwl_window_pending_actions_tag(window_, PENDING_OUTPUT_SCALE_UPDATE_DEFERRED);
|
|
#else
|
|
outputs_changed_update_scale();
|
|
#endif
|
|
}
|
|
|
|
bool GHOST_WindowWayland::outputs_changed_update_scale()
|
|
{
|
|
#ifdef USE_EVENT_BACKGROUND_THREAD
|
|
if (system_->main_thread_id != std::this_thread::get_id()) {
|
|
gwl_window_pending_actions_tag(window_, PENDING_OUTPUT_SCALE_UPDATE);
|
|
return false;
|
|
}
|
|
#endif
|
|
int fractional_scale_next = -1;
|
|
int fractional_scale_from_output = 0;
|
|
|
|
int scale_next = outputs_max_scale_or_default(outputs_get(), 0, &fractional_scale_from_output);
|
|
|
|
if (UNLIKELY(scale_next == 0)) {
|
|
return false;
|
|
}
|
|
|
|
#ifdef USE_EVENT_BACKGROUND_THREAD
|
|
std::lock_guard lock_frame_guard{window_->frame_pending_mutex};
|
|
#endif
|
|
|
|
if (window_->wp.fractional_scale_handle) {
|
|
/* Let the #wp_fractional_scale_v1_listener::preferred_scale callback handle
|
|
* changes to the windows scale. */
|
|
if (window_->frame_pending.fractional_scale_preferred != 0) {
|
|
fractional_scale_next = window_->frame_pending.fractional_scale_preferred;
|
|
scale_next = fractional_scale_next / FRACTIONAL_DENOMINATOR;
|
|
}
|
|
}
|
|
|
|
if (fractional_scale_next == -1) {
|
|
fractional_scale_next = fractional_scale_from_output;
|
|
scale_next = fractional_scale_next / FRACTIONAL_DENOMINATOR;
|
|
}
|
|
|
|
bool changed = false;
|
|
|
|
const bool is_fractional_prev = window_->frame.fractional_scale != 0;
|
|
const bool is_fractional_next = (fractional_scale_next % FRACTIONAL_DENOMINATOR) != 0;
|
|
|
|
/* When non-fractional, never use fractional scaling! */
|
|
window_->frame_pending.fractional_scale = is_fractional_next ? fractional_scale_next : 0;
|
|
window_->frame_pending.buffer_scale = is_fractional_next ?
|
|
1 :
|
|
fractional_scale_next / FRACTIONAL_DENOMINATOR;
|
|
|
|
const int fractional_scale_prev = window_->frame.fractional_scale ?
|
|
window_->frame.fractional_scale :
|
|
window_->frame.buffer_scale * FRACTIONAL_DENOMINATOR;
|
|
const int scale_prev = fractional_scale_prev / FRACTIONAL_DENOMINATOR;
|
|
|
|
/* Resizing implies updating. */
|
|
bool do_frame_resize = false;
|
|
bool do_frame_update = false;
|
|
|
|
if (window_->frame_pending.is_scale_init == false) {
|
|
window_->frame_pending.is_scale_init = true;
|
|
|
|
/* NOTE(@ideasman42): Needed because new windows are created at their previous pixel-dimensions
|
|
* as the window doesn't save it's DPI. Restore the window size under the assumption it's
|
|
* opening on the same monitor so a window keeps it's previous size on a users system.
|
|
*
|
|
* To support anything more sophisticated, windows would need to be created with a scale
|
|
* argument (representing the scale used when the window was stored, for example). */
|
|
|
|
#ifdef WITH_GHOST_WAYLAND_LIBDECOR
|
|
if (use_libdecor) {
|
|
/* LIBDECOR needs its own logic. Failing to do this causes the window border
|
|
* not to follow the GHOST window on startup - with multiple monitors,
|
|
* each with different fractional scale, see: #109194.
|
|
*
|
|
* Note that the window will show larger, then resize to be smaller soon
|
|
* after opening. This would be nice to avoid but would require DPI
|
|
* to be stored in the window (as noted above). */
|
|
int size_next[2] = {0, 0};
|
|
int size_orig[2] = {0, 0};
|
|
|
|
/* Leave `window_->frame_pending` as-is, only change the window frame. */
|
|
for (size_t i = 0; i < ARRAY_SIZE(window_->frame_pending.size); i++) {
|
|
const int value = size_next[i] ? window_->frame_pending.size[i] : window_->frame.size[i];
|
|
size_orig[i] = value;
|
|
if (is_fractional_prev || is_fractional_next) {
|
|
size_next[i] = lroundf((value * double(FRACTIONAL_DENOMINATOR)) /
|
|
double(fractional_scale_next));
|
|
}
|
|
else {
|
|
size_next[i] = value / scale_prev;
|
|
}
|
|
if (window_->frame_pending.buffer_scale > 1) {
|
|
gwl_round_int_by(&size_next[i], window_->frame_pending.buffer_scale);
|
|
}
|
|
}
|
|
|
|
if (size_orig[0] != size_next[0] || size_orig[1] != size_next[1]) {
|
|
GWL_LibDecor_Window &decor = *window_->libdecor;
|
|
libdecor_state *state = libdecor_state_new(UNPACK2(size_next));
|
|
libdecor_frame_commit(decor.frame, state, nullptr);
|
|
libdecor_state_free(state);
|
|
}
|
|
}
|
|
#endif /* WITH_GHOST_WAYLAND_LIBDECOR */
|
|
/* Leave `window_->frame_pending` as-is, so changes are detected and updates are applied. */
|
|
do_frame_resize = false;
|
|
do_frame_update = true;
|
|
|
|
/* If the buffer scale changes, the window size (and underlying buffer-size)
|
|
* must always be a multiple of the buffer size. Resizing ensures this is the case.
|
|
* See replies to #135764 for details.
|
|
*
|
|
* NOTE: We could skip resize if the current window size is a multiple of the buffer scale,
|
|
* avoids this as it will result in unpredictable behavior based on single pixel differences
|
|
* in window size. */
|
|
if (window_->frame_pending.buffer_scale != window_->frame.buffer_scale) {
|
|
do_frame_resize = true;
|
|
}
|
|
}
|
|
else {
|
|
/* Test if the scale changed. */
|
|
if ((fractional_scale_prev != fractional_scale_next) ||
|
|
(window_->frame_pending.buffer_scale != window_->frame.buffer_scale))
|
|
{
|
|
do_frame_resize = true;
|
|
}
|
|
}
|
|
|
|
if (do_frame_resize) {
|
|
/* Resize the window failing to do so results in severe flickering with a
|
|
* multi-monitor setup when multiple monitors have different scales.
|
|
*
|
|
* NOTE: some flickering is still possible even when resizing this
|
|
* happens when dragging the right hand side of the title-bar in KDE
|
|
* as expanding changed the size on the RHS, this may be up to the compositor to fix. */
|
|
for (size_t i = 0; i < ARRAY_SIZE(window_->frame_pending.size); i++) {
|
|
const int value = window_->frame_pending.size[i] ? window_->frame_pending.size[i] :
|
|
window_->frame.size[i];
|
|
if (is_fractional_prev || is_fractional_next) {
|
|
window_->frame_pending.size[i] = lroundf((value * double(fractional_scale_next)) /
|
|
double(fractional_scale_prev));
|
|
}
|
|
else {
|
|
window_->frame_pending.size[i] = (value * scale_next) / scale_prev;
|
|
}
|
|
if (window_->frame_pending.buffer_scale > 1) {
|
|
gwl_round_int_by(&window_->frame_pending.size[i], window_->frame_pending.buffer_scale);
|
|
}
|
|
}
|
|
do_frame_update = true;
|
|
}
|
|
|
|
if (do_frame_update) {
|
|
gwl_window_frame_update_from_pending_no_lock(window_);
|
|
changed = true;
|
|
}
|
|
|
|
return changed;
|
|
}
|
|
|
|
bool GHOST_WindowWayland::outputs_enter(GWL_Output *output)
|
|
{
|
|
std::vector<GWL_Output *> &outputs = window_->outputs;
|
|
auto it = std::find(outputs.begin(), outputs.end(), output);
|
|
if (it != outputs.end()) {
|
|
return false;
|
|
}
|
|
outputs.push_back(output);
|
|
return true;
|
|
}
|
|
|
|
bool GHOST_WindowWayland::outputs_leave(GWL_Output *output)
|
|
{
|
|
std::vector<GWL_Output *> &outputs = window_->outputs;
|
|
auto it = std::find(outputs.begin(), outputs.end(), output);
|
|
if (it == outputs.end()) {
|
|
return false;
|
|
}
|
|
outputs.erase(it);
|
|
return true;
|
|
}
|
|
|
|
#ifdef USE_EVENT_BACKGROUND_THREAD
|
|
|
|
void GHOST_WindowWayland::pending_actions_handle()
|
|
{
|
|
/* Caller must lock `server_mutex`, while individual actions could lock,
|
|
* it's simpler to lock once when handling all window actions. */
|
|
GWL_Window *win = window_;
|
|
GHOST_ASSERT(win->ghost_system->main_thread_id == std::this_thread::get_id(),
|
|
"Run from main thread!");
|
|
|
|
gwl_window_pending_actions_handle(win);
|
|
}
|
|
|
|
#endif /* USE_EVENT_BACKGROUND_THREAD */
|
|
|
|
/** \} */
|