vcl/inc/qt5/QtInstanceDrawingArea.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
   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
  10 #pragma once
  11
  12 #include "QtInstanceWidget.hxx"
  13
  14 #include <QtWidgets/QLabel>
  15
  16 class QtInstanceDrawingArea : public QtInstanceWidget, public virtual weld::DrawingArea
  17 {
  18     Q_OBJECT
  19
  20     QLabel* m_pLabel;
  21     ScopedVclPtrInstance<VirtualDevice> m_xDevice;
  22
  23 public:
  24     QtInstanceDrawingArea(QLabel* pLabel);
  25
  26     virtual void queue_draw() override;
  27     virtual void queue_draw_area(int x, int y, int width, int height) override;
  28
  29     virtual void enable_drag_source(rtl::Reference<TransferDataContainer>& rTransferable,
  30                                     sal_uInt8 eDNDConstants) override;
  31
  32     virtual void set_cursor(PointerStyle ePointerStyle) override;
  33
  34     virtual Point get_pointer_position() const override;
  35
  36     virtual void set_input_context(const InputContext& rInputContext) override;
  37     virtual void im_context_set_cursor_location(const tools::Rectangle& rCursorRect,
  38                                                 int nExtTextInputWidth) override;
  39
  40     virtual OutputDevice& get_ref_device() override;
  41
  42     virtual a11yref get_accessible_parent() override;
  43     virtual a11yrelationset get_accessible_relation_set() override;
  44     virtual AbsoluteScreenPixelPoint get_accessible_location_on_screen() override;
  45
  46     virtual bool eventFilter(QObject* pObject, QEvent* pEvent) override;
  47
  48 private:
  49     void handlePaintEvent();
  50     void handleResizeEvent();
  51
  52 private:
  53     virtual void click(const Point&) override;
  54 };
  55
  56 /* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */