source/modules/dgl/src/WidgetPrivateData.hpp

   1 /*
   2  * DISTRHO Plugin Framework (DPF)
   3  * Copyright (C) 2012-2021 Filipe Coelho <falktx@falktx.com>
   4  *
   5  * Permission to use, copy, modify, and/or distribute this software for any purpose with
   6  * or without fee is hereby granted, provided that the above copyright notice and this
   7  * permission notice appear in all copies.
   8  *
   9  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD
  10  * TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN
  11  * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
  12  * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER
  13  * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
  14  * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  15  */
  16
  17 #ifndef DGL_WIDGET_PRIVATE_DATA_HPP_INCLUDED
  18 #define DGL_WIDGET_PRIVATE_DATA_HPP_INCLUDED
  19
  20 #include "../Widget.hpp"
  21
  22 #include <list>
  23
  24 START_NAMESPACE_DGL
  25
  26 // --------------------------------------------------------------------------------------------------------------------
  27
  28 struct Widget::PrivateData {
  29     Widget* const self;
  30     TopLevelWidget* const topLevelWidget;
  31     Widget* const parentWidget;
  32     uint id;
  33     bool needsScaling;
  34     bool visible;
  35     Size<uint> size;
  36     std::list<SubWidget*> subWidgets;
  37
  38     // called via TopLevelWidget
  39     explicit PrivateData(Widget* const s, TopLevelWidget* const tlw);
  40     // called via SubWidget
  41     explicit PrivateData(Widget* const s, Widget* const pw);
  42     ~PrivateData();
  43
  44     void displaySubWidgets(uint width, uint height, double autoScaleFactor);
  45
  46     bool giveKeyboardEventForSubWidgets(const KeyboardEvent& ev);
  47     bool giveCharacterInputEventForSubWidgets(const CharacterInputEvent& ev);
  48     bool giveMouseEventForSubWidgets(MouseEvent& ev);
  49     bool giveMotionEventForSubWidgets(MotionEvent& ev);
  50     bool giveScrollEventForSubWidgets(ScrollEvent& ev);
  51
  52     static TopLevelWidget* findTopLevelWidget(Widget* const w);
  53
  54     DISTRHO_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(PrivateData)
  55 };
  56
  57 // --------------------------------------------------------------------------------------------------------------------
  58
  59 END_NAMESPACE_DGL
  60
  61 #endif // DGL_WIDGET_PRIVATE_DATA_HPP_INCLUDED