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Diffstat (limited to 'src/core/render_widget_host_view_qt_delegate_client.h')
-rw-r--r-- | src/core/render_widget_host_view_qt_delegate_client.h | 166 |
1 files changed, 166 insertions, 0 deletions
diff --git a/src/core/render_widget_host_view_qt_delegate_client.h b/src/core/render_widget_host_view_qt_delegate_client.h new file mode 100644 index 000000000..bb14fe951 --- /dev/null +++ b/src/core/render_widget_host_view_qt_delegate_client.h @@ -0,0 +1,166 @@ +/**************************************************************************** +** +** Copyright (C) 2020 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** This file is part of the QtWebEngine module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or (at your option) the GNU General +** Public license version 3 or any later version approved by the KDE Free +** Qt Foundation. The licenses are as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 +** included in the packaging of this file. Please review the following +** information to ensure the GNU General Public License requirements will +** be met: https://www.gnu.org/licenses/gpl-2.0.html and +** https://www.gnu.org/licenses/gpl-3.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +// +// W A R N I N G +// ------------- +// +// This file is not part of the Qt API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. +// + +#ifndef RENDER_WIDGET_HOST_VIEW_QT_DELEGATE_CLIENT_H +#define RENDER_WIDGET_HOST_VIEW_QT_DELEGATE_CLIENT_H + +#include "qtwebenginecoreglobal_p.h" + +#include <QtGui/QCursor> +#include <QtGui/QTouchEvent> + +QT_BEGIN_NAMESPACE +class QEvent; +class QSGNode; +class QVariant; + +class QMouseEvent; +class QKeyEvent; +class QTabletEvent; +class QNativeGestureEvent; +class QHoverEvent; +class QFocusEvent; +class QInputMethodEvent; +class QInputMethodQueryEvent; +QT_END_NAMESPACE + +namespace QtWebEngineCore { + +class RenderWidgetHostViewQt; + +struct MultipleMouseClickHelper +{ + QPoint lastPressPosition; + Qt::MouseButton lastPressButton = Qt::NoButton; + int clickCounter = 0; + ulong lastPressTimestamp = 0; +}; + +class Q_WEBENGINECORE_PRIVATE_EXPORT RenderWidgetHostViewQtDelegateClient +{ +public: + RenderWidgetHostViewQtDelegateClient(RenderWidgetHostViewQt *rwhv); + + QSGNode *updatePaintNode(QSGNode *); + void notifyShown(); + void notifyHidden(); + void visualPropertiesChanged(); + bool forwardEvent(QEvent *); + QVariant inputMethodQuery(Qt::InputMethodQuery query); + void closePopup(); + +private: + friend class RenderWidgetHostViewQt; + + template<class T> + void handlePointerEvent(T *); + void handleMouseEvent(QMouseEvent *); + void handleKeyEvent(QKeyEvent *); + void handleTouchEvent(QTouchEvent *); +#if QT_CONFIG(tabletevent) + void handleTabletEvent(QTabletEvent *); +#endif +#if QT_CONFIG(gestures) + void handleGestureEvent(QNativeGestureEvent *); +#endif + void handleHoverEvent(QHoverEvent *); + void handleFocusEvent(QFocusEvent *); + void handleInputMethodEvent(QInputMethodEvent *); + void handleInputMethodQueryEvent(QInputMethodQueryEvent *); + + QRect viewRectInDips() const { return m_viewRectInDips; } + QRect windowRectInDips() const { return m_windowRectInDips; } + + // Mouse + void resetPreviousMousePosition() { m_previousMousePosition = QCursor::pos(); } + + // Touch + void clearPreviousTouchMotionState(); + + // IME + void selectionChanged(); + void setCursorPosition(uint pos) { m_cursorPosition = pos; } + void setSurroundingText(const QString &text) { m_surroundingText = text; } + bool isPreviousSelectionEmpty() const { return m_emptyPreviousSelection; } + + RenderWidgetHostViewQt *m_rwhv; + + // Mouse + bool m_imeHasHiddenTextCapability; + uint m_mouseButtonPressed = 0; + QPoint m_previousMousePosition; + MultipleMouseClickHelper m_clickHelper; + + // Key + std::string m_editCommand; + + // Touch + QList<QTouchEvent::TouchPoint> m_previousTouchPoints; + bool m_touchMotionStarted = false; + bool m_sendMotionActionDown = false; + + // IME + bool m_receivedEmptyImeEvent = false; + bool m_imeInProgress = false; + bool m_emptyPreviousSelection = true; + uint m_cursorPosition = 0; + int m_anchorPositionWithinSelection = -1; + int m_cursorPositionWithinSelection = -1; + QString m_surroundingText; + + // Geometry of the view in screen DIPs. + QRect m_viewRectInDips; + // Geometry of the window, including frame, in screen DIPs. + QRect m_windowRectInDips; +}; + +} // namespace QtWebEngineCore + +#endif // RENDER_WIDGET_HOST_VIEW_QT_DELEGATE_CLIENT_H |