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// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ui/ozone/platform/x11/atk_event_conversion.h"
#include <cstdint>
#include "base/check.h"
#include "base/notreached.h"
#include "ui/events/x/events_x_utils.h"
#include "ui/events/x/x11_event_translation.h"
#include "ui/gfx/x/connection.h"
#include "ui/gfx/x/xproto.h"
#include "ui/gfx/x/xproto_types.h"
namespace ui {
std::unique_ptr<AtkKeyEventStruct> AtkKeyEventFromXEvent(
const x11::Event& event) {
bool press;
x11::KeyCode keycode;
uint32_t state;
x11::Time time;
if (auto* xkey = event.As<x11::KeyEvent>()) {
press = xkey->opcode == x11::KeyEvent::Press;
keycode = xkey->detail;
state = static_cast<uint32_t>(xkey->state);
time = xkey->time;
} else if (auto* xdevice = event.As<x11::Input::DeviceEvent>()) {
if (xdevice->opcode != x11::Input::DeviceEvent::KeyPress &&
xdevice->opcode != x11::Input::DeviceEvent::KeyRelease) {
return nullptr;
}
press = xdevice->opcode == x11::Input::DeviceEvent::KeyPress;
keycode = static_cast<x11::KeyCode>(xdevice->detail);
state = XkbStateFromXI2Event(*xdevice);
time = xdevice->time;
} else {
return nullptr;
}
auto atk_key_event = std::make_unique<AtkKeyEventStruct>();
atk_key_event->type = press ? ATK_KEY_EVENT_PRESS : ATK_KEY_EVENT_RELEASE;
atk_key_event->state = state;
atk_key_event->keyval =
x11::Connection::Get()->KeycodeToKeysym(keycode, state);
atk_key_event->keycode = static_cast<guint16>(keycode);
atk_key_event->timestamp = static_cast<guint32>(time);
// This string property matches the one that was removed from GdkEventKey.
// In the future, ATK clients should no longer rely on it, so we set it to
// null.
atk_key_event->string = nullptr;
atk_key_event->length = 0;
int flags = ui::GetEventFlagsFromXEvent(keycode, state, event.send_event());
if (flags & ui::EF_SHIFT_DOWN) {
atk_key_event->state |= AtkKeyModifierMask::kAtkShiftMask;
}
if (flags & ui::EF_CAPS_LOCK_ON) {
atk_key_event->state |= AtkKeyModifierMask::kAtkLockMask;
}
if (flags & ui::EF_CONTROL_DOWN) {
atk_key_event->state |= AtkKeyModifierMask::kAtkControlMask;
}
if (flags & ui::EF_ALT_DOWN) {
atk_key_event->state |= AtkKeyModifierMask::kAtkMod1Mask;
}
if (flags & ui::EF_NUM_LOCK_ON) {
atk_key_event->state |= AtkKeyModifierMask::kAtkMod2Mask;
}
if (flags & ui::EF_MOD3_DOWN) {
atk_key_event->state |= AtkKeyModifierMask::kAtkMod3Mask;
}
if (flags & ui::EF_COMMAND_DOWN) {
atk_key_event->state |= AtkKeyModifierMask::kAtkMod4Mask;
}
if (flags & ui::EF_ALTGR_DOWN) {
atk_key_event->state |= AtkKeyModifierMask::KAtkMod5Mask;
}
return atk_key_event;
}
} // namespace ui
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