dolphin/Source/Core/DolphinWX/DolphinSlider.h

// Copyright 2016 Dolphin Emulator Project
// Licensed under GPLv2+
// Refer to the license.txt file included.

#pragma once

#include <wx/slider.h>

// wxSlider has several bugs, including not scaling with DPI.
// This extended slider class tries to paper over the flaws.
// NOTE: wxSL_LABELS is not supported because it doesn't work correctly.
class DolphinSlider : public wxSlider
{
public:
  DolphinSlider();
  ~DolphinSlider() override;
  DolphinSlider(const DolphinSlider&) = delete;

  DolphinSlider(wxWindow* parent, wxWindowID id, int value, int min_value, int max_value,
                const wxPoint& pos = wxDefaultPosition, const wxSize& size = wxDefaultSize,
                long style = wxSL_HORIZONTAL, const wxValidator& validator = wxDefaultValidator,
                const wxString& name = wxSliderNameStr)
  {
    Create(parent, id, value, min_value, max_value, pos, size, style, validator, name);
  }

  DolphinSlider& operator=(const DolphinSlider&) = delete;

  bool Create(wxWindow* parent, wxWindowID id, int value, int min_value, int max_value,
              const wxPoint& pos = wxDefaultPosition, const wxSize& size = wxDefaultSize,
              long style = wxSL_HORIZONTAL, const wxValidator& validator = wxDefaultValidator,
              const wxString& name = wxSliderNameStr);

#ifdef __WXMSW__
  // For WM_THEMECHANGED to regenerate metrics
  WXLRESULT MSWWindowProc(WXUINT msg, WXWPARAM wp, WXLPARAM lp) override;
#endif

protected:
  // DoGetBestSize() in wxMSW::wxSlider is borked.
  // This is called by GetEffectiveMinSize() which is used by
  // wxSizers to decide the size of the widget for generating layout.
  wxSize DoGetBestClientSize() const override;

  // GTK Themes sometimes don't provide a default min size.
  // Make other platforms consistent with Windows (i.e. min length = 100px)
  wxSize DoGetBestSize() const override;

private:
  wxSize CorrectMinSize(wxSize size) const;
};