types.h

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// Copyright 2012-2022 David Robillard <d@drobilla.net>
// SPDX-License-Identifier: ISC
 
#ifndef PUGL_SRC_TYPES_H
#define PUGL_SRC_TYPES_H
 
#include "attributes.h"
 
#include "pugl/pugl.h"
 
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>

typedef struct PuglWorldInternalsImpl PuglWorldInternals;

typedef struct PuglInternalsImpl PuglInternals;

typedef int PuglHints[PUGL_NUM_VIEW_HINTS];

typedef struct {
  PuglSpan width;
  PuglSpan height;
} PuglViewSize;

typedef struct {
  void*  data; 
  size_t len;  
} PuglBlob;

struct PuglViewImpl {
  PuglWorld*         world;
  const PuglBackend* backend;
  PuglInternals*     impl;
  PuglHandle         handle;
  PuglEventFunc      eventFunc;
  char*              title;
  PuglNativeView     parent;
  uintptr_t          transientParent;
  PuglRect           frame;
  PuglConfigureEvent lastConfigure;
  PuglHints          hints;
  PuglViewSize       sizeHints[PUGL_NUM_SIZE_HINTS];
  bool               visible;
};

struct PuglWorldImpl {
  PuglWorldInternals* impl;
  PuglWorldHandle     handle;
  char*               className;
  double              startTime;
  size_t              numViews;
  PuglView**          views;
};

typedef void PuglSurface;

struct PuglBackendImpl {
  PUGL_WARN_UNUSED_RESULT
  PuglStatus (*configure)(PuglView*);

  PUGL_WARN_UNUSED_RESULT
  PuglStatus (*create)(PuglView*);

  void (*destroy)(PuglView*);

  PUGL_WARN_UNUSED_RESULT
  PuglStatus (*enter)(PuglView*, const PuglExposeEvent*);

  PUGL_WARN_UNUSED_RESULT
  PuglStatus (*leave)(PuglView*, const PuglExposeEvent*);

  void* (*getContext)(PuglView*);
};
 
#endif // PUGL_SRC_TYPES_H