DISTRHO Plugin Framework
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  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. #ifndef PUGL_NAMESPACE
  17. # error PUGL_NAMESPACE must be set when compiling this file
  18. #endif
  19. #include "src/DistrhoPluginChecks.h"
  20. #include "src/DistrhoDefines.h"
  21. #if DISTRHO_PLUGIN_HAS_EXTERNAL_UI
  22. # import <Cocoa/Cocoa.h>
  23. # include <algorithm>
  24. # include <cmath>
  25. # if DISTRHO_UI_FILE_BROWSER
  26. # import "extra/FileBrowserDialog.cpp"
  27. # endif
  28. // Declared in DistrhoUI.cpp but defined here because it uses Obj-C
  29. START_NAMESPACE_DISTRHO
  30. double getDesktopScaleFactor(const uintptr_t parentWindowHandle)
  31. {
  32. // allow custom scale for testing
  33. if (const char* const scale = getenv("DPF_SCALE_FACTOR"))
  34. return std::max(1.0, std::atof(scale));
  35. if (NSView* const parentView = (NSView*)parentWindowHandle)
  36. if (NSWindow* const parentWindow = [parentView window])
  37. return [parentWindow screen].backingScaleFactor;
  38. return [NSScreen mainScreen].backingScaleFactor;
  39. }
  40. END_NAMESPACE_DISTRHO
  41. #else // DISTRHO_PLUGIN_HAS_EXTERNAL_UI
  42. # include "../dgl/Base.hpp"
  43. # define DISTRHO_MACOS_NAMESPACE_MACRO_HELPER(DGL_NS, SEP, PUGL_NS, INTERFACE) DGL_NS ## SEP ## PUGL_NS ## SEP ## INTERFACE
  44. # define DISTRHO_MACOS_NAMESPACE_MACRO(DGL_NS, PUGL_NS, INTERFACE) DISTRHO_MACOS_NAMESPACE_MACRO_HELPER(DGL_NS, _, PUGL_NS, INTERFACE)
  45. # define PuglCairoView DISTRHO_MACOS_NAMESPACE_MACRO(DGL_NAMESPACE, PUGL_NAMESPACE, CairoView)
  46. # define PuglOpenGLView DISTRHO_MACOS_NAMESPACE_MACRO(DGL_NAMESPACE, PUGL_NAMESPACE, OpenGLView)
  47. # define PuglStubView DISTRHO_MACOS_NAMESPACE_MACRO(DGL_NAMESPACE, PUGL_NAMESPACE, StubView)
  48. # define PuglVulkanView DISTRHO_MACOS_NAMESPACE_MACRO(DGL_NAMESPACE, PUGL_NAMESPACE, VulkanView)
  49. # define PuglWindow DISTRHO_MACOS_NAMESPACE_MACRO(DGL_NAMESPACE, PUGL_NAMESPACE, Window)
  50. # define PuglWindowDelegate DISTRHO_MACOS_NAMESPACE_MACRO(DGL_NAMESPACE, PUGL_NAMESPACE, WindowDelegate)
  51. # define PuglWrapperView DISTRHO_MACOS_NAMESPACE_MACRO(DGL_NAMESPACE, PUGL_NAMESPACE, WrapperView)
  52. # import "src/pugl.mm"
  53. #endif // DISTRHO_PLUGIN_HAS_EXTERNAL_UI