604 lines
14 KiB
C++
604 lines
14 KiB
C++
// This file is part of Desktop App Toolkit,
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// a set of libraries for developing nice desktop applications.
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//
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// For license and copyright information please follow this link:
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// https://github.com/desktop-app/legal/blob/master/LEGAL
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//
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#include "ui/platform/linux/ui_utility_linux.h"
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#include "ui/ui_log.h"
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#include "base/platform/base_platform_info.h"
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#include "base/platform/linux/base_linux_gtk_integration.h"
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#include "ui/platform/linux/ui_linux_wayland_integration.h"
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#include "base/const_string.h"
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#include "base/qt_adapters.h"
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#include "base/flat_set.h"
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#ifndef DESKTOP_APP_DISABLE_X11_INTEGRATION
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#include "base/platform/linux/base_linux_xcb_utilities.h"
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#endif // !DESKTOP_APP_DISABLE_X11_INTEGRATION
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#include <QtCore/QPoint>
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#include <QtGui/QScreen>
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#include <QtGui/QWindow>
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#include <QtWidgets/QApplication>
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#include <qpa/qplatformnativeinterface.h>
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Q_DECLARE_METATYPE(QMargins);
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namespace Ui {
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namespace Platform {
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namespace {
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constexpr auto kXCBFrameExtentsAtomName = "_GTK_FRAME_EXTENTS"_cs;
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#ifndef DESKTOP_APP_DISABLE_X11_INTEGRATION
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std::optional<bool> XCBWindowMapped(xcb_window_t window) {
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const auto connection = base::Platform::XCB::GetConnectionFromQt();
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if (!connection) {
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return std::nullopt;
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}
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const auto cookie = xcb_get_window_attributes(connection, window);
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const auto reply = xcb_get_window_attributes_reply(
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connection,
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cookie,
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nullptr);
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if (!reply) {
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return std::nullopt;
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}
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const auto guard = gsl::finally([&] { free(reply); });
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return reply->map_state == XCB_MAP_STATE_VIEWABLE;
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}
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std::optional<bool> XCBWindowHidden(xcb_window_t window) {
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const auto connection = base::Platform::XCB::GetConnectionFromQt();
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if (!connection) {
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return std::nullopt;
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}
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const auto stateAtom = base::Platform::XCB::GetAtom(
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connection,
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"_NET_WM_STATE");
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const auto stateHiddenAtom = base::Platform::XCB::GetAtom(
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connection,
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"_NET_WM_STATE_HIDDEN");
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if (!stateAtom.has_value() || !stateHiddenAtom.has_value()) {
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return std::nullopt;
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}
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const auto cookie = xcb_get_property(
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connection,
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false,
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window,
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*stateAtom,
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XCB_ATOM_ATOM,
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0,
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1024);
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const auto reply = xcb_get_property_reply(
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connection,
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cookie,
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nullptr);
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if (!reply) {
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return std::nullopt;
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}
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const auto guard = gsl::finally([&] { free(reply); });
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if (reply->type != XCB_ATOM_ATOM || reply->format != 32) {
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return std::nullopt;
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}
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const auto atomsStart = reinterpret_cast<xcb_atom_t*>(
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xcb_get_property_value(reply));
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const auto states = std::vector<xcb_atom_t>(
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atomsStart,
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atomsStart + reply->length);
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return ranges::contains(states, *stateHiddenAtom);
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}
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QRect XCBWindowGeometry(xcb_window_t window) {
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const auto connection = base::Platform::XCB::GetConnectionFromQt();
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if (!connection) {
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return {};
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}
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const auto cookie = xcb_get_geometry(connection, window);
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const auto reply = xcb_get_geometry_reply(
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connection,
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cookie,
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nullptr);
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if (!reply) {
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return {};
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}
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const auto guard = gsl::finally([&] { free(reply); });
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return QRect(reply->x, reply->y, reply->width, reply->height);
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}
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std::optional<uint> XCBCurrentWorkspace() {
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const auto connection = base::Platform::XCB::GetConnectionFromQt();
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if (!connection) {
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return std::nullopt;
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}
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const auto root = base::Platform::XCB::GetRootWindowFromQt();
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if (!root.has_value()) {
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return std::nullopt;
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}
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const auto currentDesktopAtom = base::Platform::XCB::GetAtom(
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connection,
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"_NET_CURRENT_DESKTOP");
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if (!currentDesktopAtom.has_value()) {
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return std::nullopt;
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}
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const auto cookie = xcb_get_property(
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connection,
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false,
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*root,
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*currentDesktopAtom,
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XCB_ATOM_CARDINAL,
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0,
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1024);
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const auto reply = xcb_get_property_reply(
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connection,
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cookie,
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nullptr);
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if (!reply) {
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return std::nullopt;
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}
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const auto guard = gsl::finally([&] { free(reply); });
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return (reply->type == XCB_ATOM_CARDINAL)
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? std::make_optional(
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*reinterpret_cast<ulong*>(xcb_get_property_value(reply)))
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: std::nullopt;
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}
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std::optional<uint> XCBWindowWorkspace(xcb_window_t window) {
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const auto connection = base::Platform::XCB::GetConnectionFromQt();
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if (!connection) {
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return std::nullopt;
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}
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const auto desktopAtom = base::Platform::XCB::GetAtom(
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connection,
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"_NET_WM_DESKTOP");
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if (!desktopAtom.has_value()) {
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return std::nullopt;
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}
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const auto cookie = xcb_get_property(
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connection,
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false,
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window,
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*desktopAtom,
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XCB_ATOM_CARDINAL,
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0,
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1024);
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const auto reply = xcb_get_property_reply(
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connection,
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cookie,
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nullptr);
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if (!reply) {
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return std::nullopt;
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}
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const auto guard = gsl::finally([&] { free(reply); });
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return (reply->type == XCB_ATOM_CARDINAL)
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? std::make_optional(
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*reinterpret_cast<ulong*>(xcb_get_property_value(reply)))
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: std::nullopt;
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}
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std::optional<bool> XCBIsOverlapped(
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not_null<QWidget*> widget,
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const QRect &rect) {
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const auto window = widget->window()->winId();
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Expects(window != XCB_WINDOW_NONE);
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const auto connection = base::Platform::XCB::GetConnectionFromQt();
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if (!connection) {
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return std::nullopt;
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}
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const auto root = base::Platform::XCB::GetRootWindowFromQt();
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if (!root.has_value()) {
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return std::nullopt;
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}
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const auto windowWorkspace = XCBWindowWorkspace(
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window);
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const auto currentWorkspace = XCBCurrentWorkspace();
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if (windowWorkspace.has_value()
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&& currentWorkspace.has_value()
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&& *windowWorkspace != *currentWorkspace
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&& *windowWorkspace != 0xFFFFFFFF) {
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return true;
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}
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const auto cookie = xcb_query_tree(connection, *root);
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const auto reply = xcb_query_tree_reply(connection, cookie, nullptr);
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if (!reply) {
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return std::nullopt;
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}
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const auto guard = gsl::finally([&] { free(reply); });
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const auto tree = xcb_query_tree_children(reply);
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auto aboveTheWindow = false;
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for (auto i = 0, l = xcb_query_tree_children_length(reply); i < l; ++i) {
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if (window == tree[i]) {
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aboveTheWindow = true;
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continue;
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}
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if (!aboveTheWindow) {
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continue;
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}
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const auto geometry = XCBWindowGeometry(tree[i]);
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if (!rect.intersects(geometry)) {
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continue;
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}
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const auto workspace = XCBWindowWorkspace(tree[i]);
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if (workspace.has_value()
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&& windowWorkspace.has_value()
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&& *workspace != *windowWorkspace
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&& *workspace != 0xFFFFFFFF) {
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continue;
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}
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const auto mapped = XCBWindowMapped(tree[i]);
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if (mapped.has_value() && !*mapped) {
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continue;
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}
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const auto hidden = XCBWindowHidden(tree[i]);
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if (hidden.has_value()
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&& *hidden) {
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continue;
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}
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return true;
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}
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return false;
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}
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bool SetXCBFrameExtents(QWindow *window, const QMargins &extents) {
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const auto connection = base::Platform::XCB::GetConnectionFromQt();
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if (!connection) {
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return false;
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}
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const auto frameExtentsAtom = base::Platform::XCB::GetAtom(
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connection,
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kXCBFrameExtentsAtomName.utf16());
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if (!frameExtentsAtom.has_value()) {
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return false;
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}
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const auto extentsVector = std::vector<uint>{
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uint(extents.left()),
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uint(extents.right()),
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uint(extents.top()),
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uint(extents.bottom()),
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};
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xcb_change_property(
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connection,
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XCB_PROP_MODE_REPLACE,
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window->winId(),
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*frameExtentsAtom,
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XCB_ATOM_CARDINAL,
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32,
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extentsVector.size(),
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extentsVector.data());
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return true;
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}
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bool UnsetXCBFrameExtents(QWindow *window) {
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const auto connection = base::Platform::XCB::GetConnectionFromQt();
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if (!connection) {
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return false;
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}
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const auto frameExtentsAtom = base::Platform::XCB::GetAtom(
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connection,
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kXCBFrameExtentsAtomName.utf16());
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if (!frameExtentsAtom.has_value()) {
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return false;
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}
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xcb_delete_property(
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connection,
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window->winId(),
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*frameExtentsAtom);
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return true;
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}
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bool ShowXCBWindowMenu(QWindow *window) {
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const auto connection = base::Platform::XCB::GetConnectionFromQt();
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if (!connection) {
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return false;
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}
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const auto root = base::Platform::XCB::GetRootWindowFromQt();
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if (!root.has_value()) {
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return false;
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}
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const auto showWindowMenuAtom = base::Platform::XCB::GetAtom(
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connection,
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"_GTK_SHOW_WINDOW_MENU");
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if (!showWindowMenuAtom.has_value()) {
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return false;
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}
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const auto globalPos = QCursor::pos();
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xcb_client_message_event_t xev;
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xev.response_type = XCB_CLIENT_MESSAGE;
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xev.type = *showWindowMenuAtom;
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xev.sequence = 0;
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xev.window = window->winId();
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xev.format = 32;
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xev.data.data32[0] = 0;
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xev.data.data32[1] = globalPos.x();
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xev.data.data32[2] = globalPos.y();
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xev.data.data32[3] = 0;
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xev.data.data32[4] = 0;
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xcb_ungrab_pointer(connection, XCB_CURRENT_TIME);
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xcb_send_event(
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connection,
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false,
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*root,
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XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT
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| XCB_EVENT_MASK_SUBSTRUCTURE_NOTIFY,
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reinterpret_cast<const char*>(&xev));
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return true;
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}
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#endif // !DESKTOP_APP_DISABLE_X11_INTEGRATION
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TitleControls::Control GtkKeywordToTitleControl(const QString &keyword) {
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if (keyword == qstr("minimize")) {
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return TitleControls::Control::Minimize;
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} else if (keyword == qstr("maximize")) {
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return TitleControls::Control::Maximize;
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} else if (keyword == qstr("close")) {
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return TitleControls::Control::Close;
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}
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return TitleControls::Control::Unknown;
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}
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} // namespace
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bool IsApplicationActive() {
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return QApplication::activeWindow() != nullptr;
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}
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bool TranslucentWindowsSupported(QPoint globalPosition) {
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if (::Platform::IsWayland()) {
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return true;
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}
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if (::Platform::IsX11()) {
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if (const auto native = QGuiApplication::platformNativeInterface()) {
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if (const auto desktop = QApplication::desktop()) {
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if (const auto screen = base::QScreenNearestTo(globalPosition)) {
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if (native->nativeResourceForScreen(QByteArray("compositingEnabled"), screen)) {
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return true;
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}
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const auto index = QGuiApplication::screens().indexOf(screen);
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static auto WarnedAbout = base::flat_set<int>();
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if (!WarnedAbout.contains(index)) {
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WarnedAbout.emplace(index);
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UI_LOG(("WARNING: Compositing is disabled for screen index %1 (for position %2,%3)").arg(index).arg(globalPosition.x()).arg(globalPosition.y()));
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}
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} else {
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UI_LOG(("WARNING: Could not get screen for position %1,%2").arg(globalPosition.x()).arg(globalPosition.y()));
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}
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}
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}
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}
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return false;
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}
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void IgnoreAllActivation(not_null<QWidget*> widget) {
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}
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void ClearTransientParent(not_null<QWidget*> widget) {
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#ifndef DESKTOP_APP_DISABLE_X11_INTEGRATION
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if (::Platform::IsX11()) {
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xcb_delete_property(
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base::Platform::XCB::GetConnectionFromQt(),
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widget->winId(),
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XCB_ATOM_WM_TRANSIENT_FOR);
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}
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#endif // !DESKTOP_APP_DISABLE_X11_INTEGRATION
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}
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std::optional<bool> IsOverlapped(
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not_null<QWidget*> widget,
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const QRect &rect) {
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#ifndef DESKTOP_APP_DISABLE_X11_INTEGRATION
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if (::Platform::IsX11()) {
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return XCBIsOverlapped(widget, rect);
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}
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#endif // !DESKTOP_APP_DISABLE_X11_INTEGRATION
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return std::nullopt;
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}
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bool WindowExtentsSupported() {
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#ifdef DESKTOP_APP_QT_PATCHED
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if (::Platform::IsWayland()) {
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return true;
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}
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#endif // DESKTOP_APP_QT_PATCHED
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#ifndef DESKTOP_APP_DISABLE_X11_INTEGRATION
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namespace XCB = base::Platform::XCB;
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if (::Platform::IsX11()
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&& XCB::IsSupportedByWM(kXCBFrameExtentsAtomName.utf16())) {
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return true;
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}
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#endif // !DESKTOP_APP_DISABLE_X11_INTEGRATION
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return false;
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}
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bool SetWindowExtents(QWindow *window, const QMargins &extents) {
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if (::Platform::IsWayland()) {
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#ifdef DESKTOP_APP_QT_PATCHED
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window->setProperty("WaylandCustomMargins", QVariant::fromValue<QMargins>(extents));
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return true;
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#else // DESKTOP_APP_QT_PATCHED
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return false;
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#endif // !DESKTOP_APP_QT_PATCHED
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} else if (::Platform::IsX11()) {
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#ifndef DESKTOP_APP_DISABLE_X11_INTEGRATION
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return SetXCBFrameExtents(window, extents);
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#else // !DESKTOP_APP_DISABLE_X11_INTEGRATION
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return false;
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#endif // DESKTOP_APP_DISABLE_X11_INTEGRATION
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}
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return false;
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}
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bool UnsetWindowExtents(QWindow *window) {
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if (::Platform::IsWayland()) {
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#ifdef DESKTOP_APP_QT_PATCHED
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window->setProperty("WaylandCustomMargins", QVariant());
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return true;
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#else // DESKTOP_APP_QT_PATCHED
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return false;
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#endif // !DESKTOP_APP_QT_PATCHED
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} else if (::Platform::IsX11()) {
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#ifndef DESKTOP_APP_DISABLE_X11_INTEGRATION
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return UnsetXCBFrameExtents(window);
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#else // !DESKTOP_APP_DISABLE_X11_INTEGRATION
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return false;
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#endif // DESKTOP_APP_DISABLE_X11_INTEGRATION
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}
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return false;
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}
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bool ShowWindowMenu(QWindow *window) {
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if (const auto integration = WaylandIntegration::Instance()) {
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return integration->showWindowMenu(window);
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} else if (::Platform::IsX11()) {
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#ifndef DESKTOP_APP_DISABLE_X11_INTEGRATION
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return ShowXCBWindowMenu(window);
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#else // !DESKTOP_APP_DISABLE_X11_INTEGRATION
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return false;
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#endif // DESKTOP_APP_DISABLE_X11_INTEGRATION
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}
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return false;
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}
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TitleControls::Layout TitleControlsLayout() {
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if (static auto Once = false; !std::exchange(Once, true)) {
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const auto integration = base::Platform::GtkIntegration::Instance();
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if (integration && integration->checkVersion(3, 12, 0)) {
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integration->connectToSetting(
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"gtk-decoration-layout",
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NotifyTitleControlsLayoutChanged);
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}
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}
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const auto gtkResult = []() -> std::optional<TitleControls::Layout> {
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const auto integration = base::Platform::GtkIntegration::Instance();
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if (!integration || !integration->checkVersion(3, 12, 0)) {
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return std::nullopt;
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}
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const auto decorationLayoutSetting = integration->getStringSetting(
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"gtk-decoration-layout");
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if (!decorationLayoutSetting.has_value()) {
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return std::nullopt;
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|
}
|
|
|
|
const auto decorationLayout = decorationLayoutSetting->split(':');
|
|
|
|
std::vector<TitleControls::Control> controlsLeft;
|
|
ranges::transform(
|
|
decorationLayout[0].split(','),
|
|
ranges::back_inserter(controlsLeft),
|
|
GtkKeywordToTitleControl);
|
|
|
|
std::vector<TitleControls::Control> controlsRight;
|
|
if (decorationLayout.size() > 1) {
|
|
ranges::transform(
|
|
decorationLayout[1].split(','),
|
|
ranges::back_inserter(controlsRight),
|
|
GtkKeywordToTitleControl);
|
|
}
|
|
|
|
return TitleControls::Layout{
|
|
.left = controlsLeft,
|
|
.right = controlsRight
|
|
};
|
|
}();
|
|
|
|
if (gtkResult.has_value()) {
|
|
return *gtkResult;
|
|
}
|
|
|
|
#ifdef __HAIKU__
|
|
return TitleControls::Layout{
|
|
.left = {
|
|
TitleControls::Control::Close,
|
|
},
|
|
.right = {
|
|
TitleControls::Control::Minimize,
|
|
TitleControls::Control::Maximize,
|
|
}
|
|
};
|
|
#else // __HAIKU__
|
|
return TitleControls::Layout{
|
|
.right = {
|
|
TitleControls::Control::Minimize,
|
|
TitleControls::Control::Maximize,
|
|
TitleControls::Control::Close,
|
|
}
|
|
};
|
|
#endif // !__HAIKU__
|
|
}
|
|
|
|
} // namespace Platform
|
|
} // namespace Ui
|