Reorganize source to separate private implementation details

Taking a page from C++ convention, where "detail" is for things that should not
be included in user code.

1 files changed, 107 insertions, 0 deletions

diff --git a/pugl/detail/types.h b/pugl/detail/types.h
new file mode 100644
index 0000000..0cf9a99
--- /dev/null
+++ b/pugl/detail/types.h
@@ -0,0 +1,107 @@
+/*
+  Copyright 2012-2019 David Robillard <http://drobilla.net>
+
+  Permission to use, copy, modify, and/or distribute this software for any
+  purpose with or without fee is hereby granted, provided that the above
+  copyright notice and this permission notice appear in all copies.
+
+  THIS SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+  WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+  MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+  ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+  WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+  ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+  OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+*/
+
+/**
+   @file types.h Shared internal type definitions.
+*/
+
+#ifndef PUGL_DETAIL_TYPES_H
+#define PUGL_DETAIL_TYPES_H
+
+#include "pugl/pugl.h"
+
+#include <stdbool.h>
+#include <stdint.h>
+
+// Unused parameter macro to suppresses warnings and make it impossible to use
+#if defined(__cplusplus) || defined(_MSC_VER)
+#   define PUGL_UNUSED(name)
+#elif defined(__GNUC__)
+#   define PUGL_UNUSED(name) name##_unused __attribute__((__unused__))
+#else
+#   define PUGL_UNUSED(name)
+#endif
+
+/** Platform-specific internals. */
+typedef struct PuglInternalsImpl PuglInternals;
+
+/** View hints. */
+typedef struct {
+	int  context_version_major;
+	int  context_version_minor;
+	int  red_bits;
+	int  green_bits;
+	int  blue_bits;
+	int  alpha_bits;
+	int  depth_bits;
+	int  stencil_bits;
+	int  samples;
+	int  double_buffer;
+	bool use_compat_profile;
+	bool resizable;
+} PuglHints;
+
+/** Cross-platform view definition. */
+struct PuglViewImpl {
+	const PuglBackend* backend;
+	PuglInternals*     impl;
+	PuglHandle         handle;
+	PuglEventFunc      eventFunc;
+	char*              windowClass;
+	PuglNativeWindow   parent;
+	double             start_time;
+	uintptr_t          transient_parent;
+	PuglHints          hints;
+	int                width;
+	int                height;
+	int                min_width;
+	int                min_height;
+	int                min_aspect_x;
+	int                min_aspect_y;
+	int                max_aspect_x;
+	int                max_aspect_y;
+	bool               ignoreKeyRepeat;
+	bool               visible;
+};
+
+/** Opaque surface used by graphics backend. */
+typedef void PuglSurface;
+
+/** Graphics backend interface. */
+struct PuglBackendImpl {
+	/** Get visual information from display and setup view as necessary. */
+	int (*configure)(PuglView*);
+
+	/** Create surface and drawing context. */
+	int (*create)(PuglView*);
+
+	/** Destroy surface and drawing context. */
+	int (*destroy)(PuglView*);
+
+	/** Enter drawing context, for drawing if parameter is true. */
+	int (*enter)(PuglView*, bool);
+
+	/** Leave drawing context, after drawing if parameter is true. */
+	int (*leave)(PuglView*, bool);
+
+	/** Resize drawing context to the given width and height. */
+	int (*resize)(PuglView*, int, int);
+
+	/** Return the puglGetContext() handle for the application, if any. */
+	void* (*getContext)(PuglView*);
+};
+
+#endif // PUGL_DETAIL_TYPES_H