Add composite (sly) module.

* sly.scm: New file.
* Makefile.am (SOURCES): Add it.
* sandbox.in: Use new module.
* examples/common.scm: Likewise.
* examples/font.scm: Likewise.
* README ("Example"): Update example.

1 files changed, 60 insertions, 0 deletions

diff --git a/sly.scm b/sly.scm
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+;;; Sly
+;;; Copyright (C) 2015 David Thompson <davet@gnu.org>
+;;;
+;;; This program is free software: you can redistribute it and/or
+;;; modify it under the terms of the GNU General Public License as
+;;; published by the Free Software Foundation, either version 3 of the
+;;; License, or (at your option) any later version.
+;;;
+;;; This program is distributed in the hope that it will be useful,
+;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
+;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+;;; General Public License for more details.
+;;;
+;;; You should have received a copy of the GNU General Public License
+;;; along with this program.  If not, see
+;;; <http://www.gnu.org/licenses/>.
+
+;;; Commentary:
+;;
+;; Composite module that exports commonly used public modules.
+;;
+;;; Code:
+
+(define-module (sly)
+  #:use-module (sly window)
+  #:use-module (sly render font)
+  #:export (sly-init))
+
+(eval-when (eval load compile)
+  (begin
+    (define %public-modules
+      '((sly agenda)
+        (sly game)
+        (sly signal)
+        (sly window)
+        (sly repl)
+        (sly utils)
+        (sly render color)
+        (sly render font)
+        (sly render sprite)
+        (sly render texture)
+        (sly render model)
+        (sly render camera)
+        (sly render scene)
+        (sly input keyboard)
+        (sly input mouse)
+        (sly math)
+        (sly math rect)
+        (sly math transform)
+        (sly math vector)))
+
+    (for-each (let ((i (module-public-interface (current-module))))
+                (lambda (m)
+                  (module-use! i (resolve-interface m))))
+              %public-modules)))
+
+(define* (sly-init #:key (fonts? #t))
+  "Initialize Sly's global state, such as the OpenGL context."
+  (open-window)
+  (when fonts? (enable-fonts)))