3 files changed, 188 insertions, 0 deletions
diff --git a/lib/liboda/include/liboda/oda.h b/lib/liboda/include/liboda/oda.h
new file mode 100644
index 0000000..d807a50
--- /dev/null
+++ b/lib/liboda/include/liboda/oda.h
@@ -0,0 +1,89 @@
+/*
+ * Copyright (c) 2023-2025 Ian Marco Moffett and the Osmora Team.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of Hyra nor the names of its
+ *    contributors may be used to endorse or promote products derived from
+ *    this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef LIBODA_ODA_H
+#define LIBODA_ODA_H 1
+
+#include <sys/queue.h>
+#include <stdint.h>
+#include <stddef.h>
+#include <liboda/types.h>
+#include <libgfx/gfx.h>
+#include <libgfx/draw.h>
+
+/*
+ * ODA representation of a window.
+ *
+ * @surface: Window surface descriptor
+ * @session: Session this window belongs to
+ */
+struct oda_window {
+    struct gfx_shape surface;
+    struct oda_state *session;
+    TAILQ_ENTRY(oda_window) link;
+};
+
+/*
+ * ODA session
+ *
+ * @winq: Window queue
+ * @gctx: Graphics context
+ * @cookie: State cookie (ODA_COOKIE)
+ */
+struct oda_state {
+    TAILQ_HEAD(, oda_window) winq;
+    struct gfx_ctx gctx;
+    uint32_t cookie;
+};
+
+/*
+ * ODA window attributes. Arguments to be
+ * passed to oda_window_new()
+ *
+ * @session: Current ODA session / state
+ * @parent: Window parent (NULL for root)
+ * @pg: Background color (0xRRGGBB)
+ * @x,y: Window position
+ * @w,h: Window width [w] and height [h]
+ */
+struct oda_wattr {
+    struct oda_state *session;
+    struct oda_window *parent;
+    odacolor_t bg;
+    odapos_t x, y;
+    odadimm_t w, h;
+};
+
+int oda_reqwin(struct oda_wattr *params, struct oda_window **res);
+int oda_termwin(struct oda_state *state, struct oda_window *win);
+
+int oda_start_win(struct oda_state *state, struct oda_window *win);
+int oda_init(struct oda_state *res);
+
+#endif  /* !LIBODA_ODA_H */
diff --git a/lib/liboda/include/liboda/odavar.h b/lib/liboda/include/liboda/odavar.h
new file mode 100644
index 0000000..d2dbe2e
--- /dev/null
+++ b/lib/liboda/include/liboda/odavar.h
@@ -0,0 +1,59 @@
+/*
+ * Copyright (c) 2023-2025 Ian Marco Moffett and the Osmora Team.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of Hyra nor the names of its
+ *    contributors may be used to endorse or promote products derived from
+ *    this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef LIBODA_ODAVAR_H
+#define LIBODA_ODAVAR_H
+
+#include <sys/param.h>
+#include <sys/errno.h>
+#include <liboda/oda.h>
+
+/*
+ * Default window attributes
+ */
+#define DEFAULT_WIN_HEIGHT  200
+#define DEFAULT_WIN_WIDTH  150
+
+/*
+ * Verify that ODA structures have been properly
+ * initialized before usage to prevent undefined
+ * behaviour.
+ */
+#define ODA_COOKIE 0xFAFECAD
+
+/*
+ * Verify an ODA cookie - internal usage
+ */
+__always_inline static inline int
+oda_cookie_verify(struct oda_state *state)
+{
+    return (state->cookie == ODA_COOKIE) ? 0 : -EFAULT;
+}
+
+#endif  /* !LIBODA_ODAVAR_H */
diff --git a/lib/liboda/include/liboda/types.h b/lib/liboda/include/liboda/types.h
new file mode 100644
index 0000000..8b77aa7
--- /dev/null
+++ b/lib/liboda/include/liboda/types.h
@@ -0,0 +1,40 @@
+/*
+ * Copyright (c) 2023-2025 Ian Marco Moffett and the Osmora Team.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of Hyra nor the names of its
+ *    contributors may be used to endorse or promote products derived from
+ *    this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef LIBODA_TYPE_H
+#define LIBODA_TYPE_H
+
+#include <stdint.h>
+
+typedef uint32_t odapos_t;      /* X/Y positions */
+typedef uint32_t odapix_t;      /* RGB pixel */
+typedef odapix_t odacolor_t;    /* RGB color */
+typedef uint32_t odadimm_t;     /* Dimensions */
+
+#endif  /* !LIBODA_TYPE_H */