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// Copyright (C) 2015 Klarälvdalens Datakonsult AB, a KDAB Group company, info@kdab.com, author Tobias Koenig <tobias.koenig@kdab.com>
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#include "qhaikurasterwindow.h"
#include "qhaikukeymapper.h"
#include <View.h>
#include <Window.h>
#include <qpa/qwindowsysteminterface.h>
QT_BEGIN_NAMESPACE
Q_DECLARE_METATYPE(QEvent::Type)
Q_DECLARE_METATYPE(Qt::MouseButtons)
Q_DECLARE_METATYPE(Qt::MouseEventSource)
Q_DECLARE_METATYPE(Qt::KeyboardModifiers)
Q_DECLARE_METATYPE(Qt::Orientation)
HaikuViewProxy::HaikuViewProxy(BWindow *window, QObject *parent)
: QObject(parent)
, BView(BRect(0, 0, window->Bounds().right, window->Bounds().bottom), 0, B_FOLLOW_ALL_SIDES, B_WILL_DRAW | B_FRAME_EVENTS)
{
}
void HaikuViewProxy::MessageReceived(BMessage *message)
{
switch (message->what) {
case B_MOUSE_WHEEL_CHANGED:
{
float deltaX = 0;
if (message->FindFloat("be:wheel_delta_x", &deltaX) != B_OK)
deltaX = 0;
float deltaY = 0;
if (message->FindFloat("be:wheel_delta_y", &deltaY) != B_OK)
deltaY = 0;
if (deltaX != 0 || deltaY != 0) {
BPoint localPos;
uint32 keyState = 0;
GetMouse(&localPos, &keyState);
const Qt::KeyboardModifiers keyboardModifiers = keyStateToModifiers(modifiers());
const BPoint globalPos = ConvertToScreen(localPos);
const QPoint globalPosition = QPoint(globalPos.x, globalPos.y);
const QPoint localPosition = QPoint(localPos.x, localPos.y);
if (deltaX != 0)
Q_EMIT wheelEvent(localPosition, globalPosition, (deltaX * -120), Qt::Horizontal, keyboardModifiers);
if (deltaY != 0)
Q_EMIT wheelEvent(localPosition, globalPosition, (deltaY * -120), Qt::Vertical, keyboardModifiers);
}
break;
}
default:
BView::MessageReceived(message);
break;
}
}
void HaikuViewProxy::Draw(BRect updateRect)
{
BView::Draw(updateRect);
Q_EMIT drawRequest(QRect(updateRect.left, updateRect.top, updateRect.Width(), updateRect.Height()));
}
void HaikuViewProxy::MouseDown(BPoint localPos)
{
BPoint dummyPos;
uint32 keyState = 0;
GetMouse(&dummyPos, &keyState);
const Qt::MouseButtons mouseButtons = keyStateToMouseButtons(keyState);
const Qt::KeyboardModifiers keyboardModifiers = keyStateToModifiers(modifiers());
const Qt::MouseEventSource source = Qt::MouseEventNotSynthesized;
const BPoint globalPos = ConvertToScreen(localPos);
const QPoint globalPosition = QPoint(globalPos.x, globalPos.y);
const QPoint localPosition = QPoint(localPos.x, localPos.y);
Q_EMIT mouseEvent(localPosition, globalPosition, mouseButtons, keyboardModifiers, source);
}
void HaikuViewProxy::MouseUp(BPoint localPos)
{
BPoint dummyPos;
uint32 keyState = 0;
GetMouse(&dummyPos, &keyState);
const Qt::MouseButtons mouseButtons = keyStateToMouseButtons(keyState);
const Qt::KeyboardModifiers keyboardModifiers = keyStateToModifiers(modifiers());
const Qt::MouseEventSource source = Qt::MouseEventNotSynthesized;
const BPoint globalPos = ConvertToScreen(localPos);
const QPoint globalPosition = QPoint(globalPos.x, globalPos.y);
const QPoint localPosition = QPoint(localPos.x, localPos.y);
Q_EMIT mouseEvent(localPosition, globalPosition, mouseButtons, keyboardModifiers, source);
}
void HaikuViewProxy::MouseMoved(BPoint pos, uint32 code, const BMessage *dragMessage)
{
switch (code) {
case B_INSIDE_VIEW:
{
BPoint dummyPos;
uint32 keyState = 0;
GetMouse(&dummyPos, &keyState);
const Qt::MouseButtons mouseButtons = keyStateToMouseButtons(keyState);
const Qt::KeyboardModifiers keyboardModifiers = keyStateToModifiers(modifiers());
const Qt::MouseEventSource source = Qt::MouseEventNotSynthesized;
const BPoint globalPos = ConvertToScreen(pos);
const QPoint globalPosition = QPoint(globalPos.x, globalPos.y);
const QPoint localPosition = QPoint(pos.x, pos.y);
Q_EMIT mouseEvent(localPosition, globalPosition, mouseButtons, keyboardModifiers, source);
}
break;
case B_ENTERED_VIEW:
Q_EMIT enteredView();
break;
case B_EXITED_VIEW:
Q_EMIT exitedView();
break;
}
BView::MouseMoved(pos, code, dragMessage);
}
void HaikuViewProxy::KeyDown(const char*, int32)
{
handleKeyEvent(QEvent::KeyPress, Window()->CurrentMessage());
}
void HaikuViewProxy::KeyUp(const char*, int32)
{
handleKeyEvent(QEvent::KeyRelease, Window()->CurrentMessage());
}
Qt::MouseButtons HaikuViewProxy::keyStateToMouseButtons(uint32 keyState) const
{
Qt::MouseButtons mouseButtons(Qt::NoButton);
if (keyState & B_PRIMARY_MOUSE_BUTTON)
mouseButtons |= Qt::LeftButton;
if (keyState & B_SECONDARY_MOUSE_BUTTON)
mouseButtons |= Qt::RightButton;
if (keyState & B_TERTIARY_MOUSE_BUTTON)
mouseButtons |= Qt::MiddleButton;
return mouseButtons;
}
Qt::KeyboardModifiers HaikuViewProxy::keyStateToModifiers(uint32 keyState) const
{
Qt::KeyboardModifiers modifiers(Qt::NoModifier);
if (keyState & B_SHIFT_KEY)
modifiers |= Qt::ShiftModifier;
if (keyState & B_CONTROL_KEY)
modifiers |= Qt::AltModifier;
if (keyState & B_COMMAND_KEY)
modifiers |= Qt::ControlModifier;
return modifiers;
}
void HaikuViewProxy::handleKeyEvent(QEvent::Type type, BMessage *message)
{
int32 key = 0;
uint32 code = 0;
const char *bytes = nullptr;
QString text;
if (message) {
if (message->FindString("bytes", &bytes) == B_OK) {
text = QString::fromLocal8Bit(bytes, strlen(bytes));
}
if (message->FindInt32("key", &key) == B_OK) {
code = QHaikuKeyMapper::translateKeyCode(key, (modifiers() & B_NUM_LOCK));
}
}
const Qt::KeyboardModifiers keyboardModifiers = keyStateToModifiers(modifiers());
Q_EMIT keyEvent(type, code, keyboardModifiers, text);
}
QHaikuRasterWindow::QHaikuRasterWindow(QWindow *window)
: QHaikuWindow(window)
{
qRegisterMetaType<QEvent::Type>();
qRegisterMetaType<Qt::MouseButtons>();
qRegisterMetaType<Qt::MouseEventSource>();
qRegisterMetaType<Qt::KeyboardModifiers>();
qRegisterMetaType<Qt::Orientation>();
HaikuViewProxy *haikuView = new HaikuViewProxy(m_window);
connect(haikuView, SIGNAL(mouseEvent(QPoint,QPoint,Qt::MouseButtons,Qt::KeyboardModifiers,Qt::MouseEventSource)),
this, SLOT(haikuMouseEvent(QPoint,QPoint,Qt::MouseButtons,Qt::KeyboardModifiers,Qt::MouseEventSource)));
connect(haikuView, SIGNAL(wheelEvent(QPoint,QPoint,int,Qt::Orientation,Qt::KeyboardModifiers)),
this, SLOT(haikuWheelEvent(QPoint,QPoint,int,Qt::Orientation,Qt::KeyboardModifiers)));
connect(haikuView, SIGNAL(keyEvent(QEvent::Type,int,Qt::KeyboardModifiers,QString)),
this, SLOT(haikuKeyEvent(QEvent::Type,int,Qt::KeyboardModifiers,QString)));
connect(haikuView, SIGNAL(enteredView()), this, SLOT(haikuEnteredView()));
connect(haikuView, SIGNAL(exitedView()), this, SLOT(haikuExitedView()));
connect(haikuView, SIGNAL(drawRequest(QRect)), this, SLOT(haikuDrawRequest(QRect)));
m_view = haikuView;
m_window->LockLooper();
m_window->AddChild(m_view);
m_view->MakeFocus();
m_window->UnlockLooper();
}
QHaikuRasterWindow::~QHaikuRasterWindow()
{
m_window->LockLooper();
m_view->RemoveSelf();
m_window->UnlockLooper();
delete m_view;
m_view = nullptr;
}
BView* QHaikuRasterWindow::nativeViewHandle() const
{
return m_view;
}
QT_END_NAMESPACE
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