vcl/inc/qt5/Qt5Widget.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #pragma once
  21
  22 #include <QtWidgets/QWidget>
  23 #include <rtl/ustring.hxx>
  24
  25 #include <com/sun/star/uno/Reference.hxx>
  26 #include <com/sun/star/accessibility/XAccessibleEditableText.hpp>
  27
  28 class Qt5Frame;
  29 class Qt5Object;
  30
  31 class Qt5Widget : public QWidget
  32 {
  33     Q_OBJECT
  34
  35     Qt5Frame& m_rFrame;
  36     bool m_bNonEmptyIMPreeditSeen;
  37     int m_nDeltaX;
  38     int m_nDeltaY;
  39
  40     enum class ButtonKeyState
  41     {
  42         Pressed,
  43         Released
  44     };
  45
  46     static void commitText(Qt5Frame&, const QString& aText);
  47     static bool handleKeyEvent(Qt5Frame&, const QWidget&, QKeyEvent*, const ButtonKeyState);
  48     static void handleMouseButtonEvent(const Qt5Frame&, const QMouseEvent*, const ButtonKeyState);
  49
  50     virtual bool event(QEvent*) override;
  51
  52     virtual void focusInEvent(QFocusEvent*) override;
  53     virtual void focusOutEvent(QFocusEvent*) override;
  54     // keyPressEvent(QKeyEvent*) is handled via event(QEvent*); see comment
  55     virtual void keyReleaseEvent(QKeyEvent*) override;
  56     virtual void mouseMoveEvent(QMouseEvent*) override;
  57     virtual void mousePressEvent(QMouseEvent*) override;
  58     virtual void mouseReleaseEvent(QMouseEvent*) override;
  59     virtual void dragEnterEvent(QDragEnterEvent*) override;
  60     virtual void dragLeaveEvent(QDragLeaveEvent*) override;
  61     virtual void dragMoveEvent(QDragMoveEvent*) override;
  62     virtual void dropEvent(QDropEvent*) override;
  63     virtual void moveEvent(QMoveEvent*) override;
  64     virtual void paintEvent(QPaintEvent*) override;
  65     virtual void resizeEvent(QResizeEvent*) override;
  66     virtual void showEvent(QShowEvent*) override;
  67     virtual void wheelEvent(QWheelEvent*) override;
  68     virtual void closeEvent(QCloseEvent*) override;
  69     virtual void changeEvent(QEvent*) override;
  70
  71     void inputMethodEvent(QInputMethodEvent*) override;
  72     QVariant inputMethodQuery(Qt::InputMethodQuery) const override;
  73
  74 public:
  75     Qt5Widget(Qt5Frame& rFrame, Qt::WindowFlags f = Qt::WindowFlags());
  76
  77     Qt5Frame& frame() const { return m_rFrame; }
  78     void endExtTextInput();
  79
  80     static bool handleEvent(Qt5Frame&, const QWidget&, QEvent*);
  81     // key events might be propagated further down => call base on false
  82     static inline bool handleKeyReleaseEvent(Qt5Frame&, const QWidget&, QKeyEvent*);
  83     // mouse events are always accepted
  84     static inline void handleMousePressEvent(const Qt5Frame&, const QMouseEvent*);
  85     static inline void handleMouseReleaseEvent(const Qt5Frame&, const QMouseEvent*);
  86 };
  87
  88 bool Qt5Widget::handleKeyReleaseEvent(Qt5Frame& rFrame, const QWidget& rWidget, QKeyEvent* pEvent)
  89 {
  90     return handleKeyEvent(rFrame, rWidget, pEvent, ButtonKeyState::Released);
  91 }
  92
  93 void Qt5Widget::handleMousePressEvent(const Qt5Frame& rFrame, const QMouseEvent* pEvent)
  94 {
  95     handleMouseButtonEvent(rFrame, pEvent, ButtonKeyState::Pressed);
  96 }
  97
  98 void Qt5Widget::handleMouseReleaseEvent(const Qt5Frame& rFrame, const QMouseEvent* pEvent)
  99 {
 100     handleMouseButtonEvent(rFrame, pEvent, ButtonKeyState::Released);
 101 }
 102
 103 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */