File indexing completed on 2024-05-19 16:35:20

 /*
     SPDX-FileCopyrightText: 2020 Aleix Pol Gonzalez <aleixpol@kde.org>
 
     SPDX-License-Identifier: LGPL-2.1-only OR LGPL-3.0-only OR LicenseRef-KDE-Accepted-LGPL
 */
 
 #include "inputmethod_v1_interface.h"
 #include "display.h"
 #include "keyboard_interface.h"
 #include "keyboard_interface_p.h"
 #include "output_interface.h"
 #include "seat_interface.h"
 #include "surface_interface.h"
 #include "surfacerole_p.h"
 #include "utils/common.h"
 #include "utils/ramfile.h"
 
 #include <QHash>
 
 #include <unistd.h>
 
 #include "qwayland-server-input-method-unstable-v1.h"
 #include "qwayland-server-text-input-unstable-v1.h"
 #include "qwayland-server-wayland.h"
 
 namespace KWaylandServer
 {
 static int s_version = 1;
 
 class InputKeyboardV1InterfacePrivate : public QtWaylandServer::wl_keyboard
 {
 public:
     InputKeyboardV1InterfacePrivate()
     {
     }
 };
 
 InputMethodGrabV1::InputMethodGrabV1(QObject *parent)
     : QObject(parent)
     , d(new InputKeyboardV1InterfacePrivate)
 {
 }
 
 InputMethodGrabV1::~InputMethodGrabV1()
 {
 }
 
 void InputMethodGrabV1::sendKeymap(const QByteArray &keymap)
 {
     KWin::RamFile keymapFile("kwin-xkb-input-method-grab-keymap", keymap.constData(), keymap.size() + 1); // include QByteArray null terminator
 
     const auto resources = d->resourceMap();
     for (auto r : resources) {
         d->send_keymap(r->handle, QtWaylandServer::wl_keyboard::keymap_format::keymap_format_xkb_v1, keymapFile.fd(), keymapFile.size());
     }
 }
 
 void InputMethodGrabV1::sendKey(quint32 serial, quint32 timestamp, quint32 key, KeyboardKeyState state)
 {
     const auto resources = d->resourceMap();
     for (auto r : resources) {
         d->send_key(r->handle, serial, timestamp, key, quint32(state));
     }
 }
 
 void InputMethodGrabV1::sendModifiers(quint32 serial, quint32 depressed, quint32 latched, quint32 locked, quint32 group)
 {
     const auto resources = d->resourceMap();
     for (auto r : resources) {
         d->send_modifiers(r->handle, serial, depressed, latched, locked, group);
     }
 }
 
 class InputMethodContextV1InterfacePrivate : public QtWaylandServer::zwp_input_method_context_v1
 {
 public:
     InputMethodContextV1InterfacePrivate(InputMethodContextV1Interface *q)
         : zwp_input_method_context_v1()
         , q(q)
     {
     }
 
     ~InputMethodContextV1InterfacePrivate()
     {
     }
 
     void zwp_input_method_context_v1_commit_string(Resource *, uint32_t serial, const QString &text) override
     {
         Q_EMIT q->commitString(serial, text);
     }
     void zwp_input_method_context_v1_preedit_string(Resource *, uint32_t serial, const QString &text, const QString &commit) override
     {
         Q_EMIT q->preeditString(serial, text, commit);
     }
 
     void zwp_input_method_context_v1_preedit_styling(Resource *, uint32_t index, uint32_t length, uint32_t style) override
     {
         Q_EMIT q->preeditStyling(index, length, style);
     }
     void zwp_input_method_context_v1_preedit_cursor(Resource *, int32_t index) override
     {
         Q_EMIT q->preeditCursor(index);
     }
     void zwp_input_method_context_v1_delete_surrounding_text(Resource *, int32_t index, uint32_t length) override
     {
         Q_EMIT q->deleteSurroundingText(index, length);
     }
     void zwp_input_method_context_v1_cursor_position(Resource *, int32_t index, int32_t anchor) override
     {
         Q_EMIT q->cursorPosition(index, anchor);
     }
     void zwp_input_method_context_v1_modifiers_map(Resource *, wl_array *map) override
     {
         const auto mods = QByteArray::fromRawData(static_cast<const char *>(map->data), map->size);
 
         Q_EMIT q->modifiersMap(mods);
     }
     void zwp_input_method_context_v1_keysym(Resource *, uint32_t serial, uint32_t time, uint32_t sym, uint32_t state, uint32_t modifiers) override
     {
         Q_EMIT q->keysym(serial, time, sym, state == WL_KEYBOARD_KEY_STATE_PRESSED, modifiers);
     }
     void zwp_input_method_context_v1_grab_keyboard(Resource *resource, uint32_t id) override
     {
         m_keyboardGrab.reset(new InputMethodGrabV1(q));
         m_keyboardGrab->d->add(resource->client(), id, 1);
         Q_EMIT q->keyboardGrabRequested(m_keyboardGrab.get());
     }
     void zwp_input_method_context_v1_key(Resource *, uint32_t serial, uint32_t time, uint32_t key, uint32_t state) override
     {
         Q_EMIT q->key(serial, time, key, state == WL_KEYBOARD_KEY_STATE_PRESSED);
     }
     void zwp_input_method_context_v1_modifiers(Resource *,
                                                uint32_t serial,
                                                uint32_t mods_depressed,
                                                uint32_t mods_latched,
                                                uint32_t mods_locked,
                                                uint32_t group) override
     {
         Q_EMIT q->modifiers(serial, mods_depressed, mods_latched, mods_locked, group);
     }
     void zwp_input_method_context_v1_language(Resource *, uint32_t serial, const QString &language) override
     {
         Q_EMIT q->language(serial, language);
     }
     void zwp_input_method_context_v1_text_direction(Resource *, uint32_t serial, uint32_t direction) override
     {
         Qt::LayoutDirection qtDirection;
         switch (direction) {
         case ZWP_TEXT_INPUT_V1_TEXT_DIRECTION_LTR:
             qtDirection = Qt::LeftToRight;
             break;
         case ZWP_TEXT_INPUT_V1_TEXT_DIRECTION_RTL:
             qtDirection = Qt::RightToLeft;
             break;
         case ZWP_TEXT_INPUT_V1_TEXT_DIRECTION_AUTO:
             qtDirection = Qt::LayoutDirectionAuto;
             break;
         default:
             Q_UNREACHABLE();
             break;
         }
         Q_EMIT q->textDirection(serial, qtDirection);
     }
 
     void zwp_input_method_context_v1_destroy(Resource *resource) override
     {
         wl_resource_destroy(resource->handle);
     }
 
     InputMethodContextV1Interface *const q;
     std::unique_ptr<InputMethodGrabV1> m_keyboardGrab;
 };
 
 InputMethodContextV1Interface::InputMethodContextV1Interface(InputMethodV1Interface *parent)
     : QObject(parent)
     , d(new InputMethodContextV1InterfacePrivate(this))
 {
 }
 
 InputMethodContextV1Interface::~InputMethodContextV1Interface() = default;
 
 void InputMethodContextV1Interface::sendCommitState(uint32_t serial)
 {
     for (auto r : d->resourceMap()) {
         d->send_commit_state(r->handle, serial);
     }
 }
 
 void InputMethodContextV1Interface::sendContentType(TextInputContentHints hint, TextInputContentPurpose purpose)
 {
     quint32 contentHint = QtWaylandServer::zwp_text_input_v1::content_hint_none;
     quint32 contentPurpose;
 
     if (hint.testFlag(TextInputContentHint::AutoCapitalization)) {
         contentHint |= QtWaylandServer::zwp_text_input_v1::content_hint_auto_capitalization;
     }
     if (hint.testFlag(TextInputContentHint::AutoCorrection)) {
         contentHint |= QtWaylandServer::zwp_text_input_v1::content_hint_auto_correction;
     }
     if (hint.testFlag(TextInputContentHint::AutoCompletion)) {
         contentHint |= QtWaylandServer::zwp_text_input_v1::content_hint_auto_completion;
     }
     if (hint.testFlag(TextInputContentHint::LowerCase)) {
         contentHint |= QtWaylandServer::zwp_text_input_v1::content_hint_lowercase;
     }
     if (hint.testFlag(TextInputContentHint::UpperCase)) {
         contentHint |= QtWaylandServer::zwp_text_input_v1::content_hint_uppercase;
     }
     if (hint.testFlag(TextInputContentHint::TitleCase)) {
         contentHint |= QtWaylandServer::zwp_text_input_v1::content_hint_titlecase;
     }
     if (hint.testFlag(TextInputContentHint::HiddenText)) {
         contentHint |= QtWaylandServer::zwp_text_input_v1::content_hint_hidden_text;
     }
     if (hint.testFlag(TextInputContentHint::SensitiveData)) {
         contentHint |= QtWaylandServer::zwp_text_input_v1::content_hint_lowercase;
     }
     if (hint.testFlag(TextInputContentHint::Latin)) {
         contentHint |= QtWaylandServer::zwp_text_input_v1::content_hint_latin;
     }
     if (hint.testFlag(TextInputContentHint::MultiLine)) {
         contentHint |= QtWaylandServer::zwp_text_input_v1::content_hint_multiline;
     }
     if (hint.testFlag(TextInputContentHint::None)) {
         contentHint |= QtWaylandServer::zwp_text_input_v1::content_hint_none;
     }
 
     switch (purpose) {
     case TextInputContentPurpose::Alpha:
         contentPurpose = QtWaylandServer::zwp_text_input_v1::content_purpose_alpha;
         break;
     case TextInputContentPurpose::Digits:
         contentPurpose = QtWaylandServer::zwp_text_input_v1::content_purpose_digits;
         break;
     case TextInputContentPurpose::Number:
         contentPurpose = QtWaylandServer::zwp_text_input_v1::content_purpose_number;
         break;
     case TextInputContentPurpose::Phone:
         contentPurpose = QtWaylandServer::zwp_text_input_v1::content_purpose_phone;
         break;
     case TextInputContentPurpose::Url:
         contentPurpose = QtWaylandServer::zwp_text_input_v1::content_purpose_url;
         break;
     case TextInputContentPurpose::Email:
         contentPurpose = QtWaylandServer::zwp_text_input_v1::content_purpose_email;
         break;
     case TextInputContentPurpose::Name:
         contentPurpose = QtWaylandServer::zwp_text_input_v1::content_purpose_name;
         break;
     case TextInputContentPurpose::Password:
         contentPurpose = QtWaylandServer::zwp_text_input_v1::content_purpose_password;
         break;
     case TextInputContentPurpose::Date:
         contentPurpose = QtWaylandServer::zwp_text_input_v1::content_purpose_date;
         break;
     case TextInputContentPurpose::Time:
         contentPurpose = QtWaylandServer::zwp_text_input_v1::content_purpose_time;
         break;
     case TextInputContentPurpose::DateTime:
         contentPurpose = QtWaylandServer::zwp_text_input_v1::content_purpose_datetime;
         break;
     case TextInputContentPurpose::Terminal:
         contentPurpose = QtWaylandServer::zwp_text_input_v1::content_purpose_terminal;
         break;
     case TextInputContentPurpose::Normal:
     default:
         contentPurpose = QtWaylandServer::zwp_text_input_v1::content_purpose_normal;
     }
 
     for (auto r : d->resourceMap()) {
         d->send_content_type(r->handle, contentHint, contentPurpose);
     }
 }
 
 void InputMethodContextV1Interface::sendInvokeAction(uint32_t button, uint32_t index)
 {
     for (auto r : d->resourceMap()) {
         d->send_invoke_action(r->handle, button, index);
     }
 }
 
 void InputMethodContextV1Interface::sendPreferredLanguage(const QString &language)
 {
     for (auto r : d->resourceMap()) {
         d->send_preferred_language(r->handle, language);
     }
 }
 
 void InputMethodContextV1Interface::sendReset()
 {
     for (auto r : d->resourceMap()) {
         d->send_reset(r->handle);
     }
 }
 
 void InputMethodContextV1Interface::sendSurroundingText(const QString &text, uint32_t cursor, uint32_t anchor)
 {
     for (auto r : d->resourceMap()) {
         d->send_surrounding_text(r->handle, text, cursor, anchor);
     }
 }
 
 InputMethodGrabV1 *InputMethodContextV1Interface::keyboardGrab() const
 {
     return d->m_keyboardGrab.get();
 }
 
 class InputPanelSurfaceV1InterfacePrivate : public QtWaylandServer::zwp_input_panel_surface_v1, public SurfaceRole
 {
     friend class InputPanelSurfaceV1Interface;
 
 public:
     InputPanelSurfaceV1InterfacePrivate(SurfaceInterface *surface, quint32 id, InputPanelSurfaceV1Interface *q)
         : zwp_input_panel_surface_v1()
         , SurfaceRole(surface, QByteArrayLiteral("input_panel_surface_v1"))
         , q(q)
     {
     }
 
     void zwp_input_panel_surface_v1_set_overlay_panel(Resource *) override
     {
         Q_EMIT q->overlayPanel();
     }
 
     void zwp_input_panel_surface_v1_set_toplevel(Resource *, struct ::wl_resource *output, uint32_t position) override
     {
         Q_EMIT q->topLevel(OutputInterface::get(output), InputPanelSurfaceV1Interface::Position(position));
     }
 
     void commit() override
     {
     }
 
     void zwp_input_panel_surface_v1_destroy_resource(Resource *) override
     {
         delete q;
     }
 
     InputPanelSurfaceV1Interface *const q;
 };
 
 InputPanelSurfaceV1Interface::InputPanelSurfaceV1Interface(SurfaceInterface *surface, quint32 id, QObject *parent)
     : QObject(parent)
     , d(new InputPanelSurfaceV1InterfacePrivate(surface, id, this))
 {
 }
 
 InputPanelSurfaceV1Interface::~InputPanelSurfaceV1Interface()
 {
 }
 
 class InputPanelV1InterfacePrivate : public QtWaylandServer::zwp_input_panel_v1
 {
 public:
     InputPanelV1InterfacePrivate(InputPanelV1Interface *q, Display *d)
         : zwp_input_panel_v1(*d, s_version)
         , q(q)
     {
     }
 
     void zwp_input_panel_v1_get_input_panel_surface(Resource *resource, uint32_t id, struct ::wl_resource *surfaceResource) override
     {
         auto surface = SurfaceInterface::get(surfaceResource);
 
         SurfaceRole *surfaceRole = SurfaceRole::get(surface);
         if (surfaceRole) {
             wl_resource_post_error(resource->handle, 0, "the surface already has a role assigned %s", surfaceRole->name().constData());
             return;
         }
 
         auto interface = new InputPanelSurfaceV1Interface(surface, id, nullptr);
         interface->d->init(resource->client(), id, resource->version());
 
         Q_EMIT q->inputPanelSurfaceAdded(interface);
     }
 
     InputPanelV1Interface *const q;
 };
 
 InputPanelV1Interface::InputPanelV1Interface(Display *display, QObject *parent)
     : QObject(parent)
     , d(new InputPanelV1InterfacePrivate(this, display))
 {
 }
 
 InputPanelV1Interface::~InputPanelV1Interface() = default;
 
 SurfaceInterface *InputPanelSurfaceV1Interface::surface() const
 {
     return d->surface();
 }
 
 class InputMethodV1InterfacePrivate : public QtWaylandServer::zwp_input_method_v1
 {
 public:
     InputMethodV1InterfacePrivate(Display *d, InputMethodV1Interface *q)
         : zwp_input_method_v1(*d, s_version)
         , q(q)
         , m_display(d)
     {
     }
 
     void zwp_input_method_v1_bind_resource(Resource *resource) override
     {
         if (!m_context) {
             return;
         }
 
         auto addedResource = m_context->d->add(resource->client(), resource->version());
         send_activate(resource->handle, addedResource->handle);
     }
 
     std::unique_ptr<InputMethodContextV1Interface> m_context;
     InputMethodV1Interface *const q;
     Display *const m_display;
 };
 
 InputMethodV1Interface::InputMethodV1Interface(Display *d, QObject *parent)
     : QObject(parent)
     , d(new InputMethodV1InterfacePrivate(d, this))
 {
 }
 
 InputMethodV1Interface::~InputMethodV1Interface() = default;
 
 void InputMethodV1Interface::sendActivate()
 {
     if (d->m_context) {
         return;
     }
 
     d->m_context.reset(new InputMethodContextV1Interface(this));
 
     for (auto resource : d->resourceMap()) {
         auto connection = d->m_context->d->add(resource->client(), resource->version());
         d->send_activate(resource->handle, connection->handle);
     }
 }
 
 void InputMethodV1Interface::sendDeactivate()
 {
     if (!d->m_context) {
         return;
     }
 
     for (auto resource : d->resourceMap()) {
         auto connection = d->m_context->d->resourceMap().value(resource->client());
         if (connection) {
             d->send_deactivate(resource->handle, connection->handle);
         }
     }
     d->m_context.reset();
 }
 
 InputMethodContextV1Interface *InputMethodV1Interface::context() const
 {
     return d->m_context.get();
 }
 
 }