From 3b21507274aa4f98644382903ae529c1fc2c7bd4 Mon Sep 17 00:00:00 2001
From: inmarket <andrewh@inmarket.com.au>
Date: Wed, 20 Aug 2014 01:36:33 +1000
Subject: GL3D GWIN window + demo

---
 3rdparty/tinygl-0.4-ugfx/examples/nanox.c | 113 ++++++++++++++++++++++++++++++
 1 file changed, 113 insertions(+)
 create mode 100644 3rdparty/tinygl-0.4-ugfx/examples/nanox.c

(limited to '3rdparty/tinygl-0.4-ugfx/examples/nanox.c')

diff --git a/3rdparty/tinygl-0.4-ugfx/examples/nanox.c b/3rdparty/tinygl-0.4-ugfx/examples/nanox.c
new file mode 100644
index 00000000..14e5d4f1
--- /dev/null
+++ b/3rdparty/tinygl-0.4-ugfx/examples/nanox.c
@@ -0,0 +1,113 @@
+/*
+ * Demonstration program for Nano-X graphics.
+ */
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#define MWINCLUDECOLORS
+#include <microwin/nano-X.h>
+#include <GL/gl.h> 
+#include <GL/nglx.h> 
+#include "ui.h"
+
+static	GR_WINDOW_ID	w1;		/* id for large window */
+static	GR_GC_ID	gc1;		/* graphics context for text */
+
+void errorcatcher();			/* routine to handle errors */
+
+void tkSwapBuffers(void)
+{
+    nglXSwapBuffers(w1);
+}
+
+int
+ui_loop(int argc,char **argv, const char *name)
+{
+	GR_EVENT	event;		/* current event */
+	GR_IMAGE_ID	id = 0;
+        NGLXContext cx;
+        int width, height, k;
+
+	if (GrOpen() < 0) {
+		fprintf(stderr, "cannot open graphics\n");
+		exit(1);
+	}
+	
+        width = 400;
+        height = 300;
+
+	GrSetErrorHandler(errorcatcher);
+
+	w1 = GrNewWindow(GR_ROOT_WINDOW_ID, 10, 10, width, height, 4, BLACK, WHITE);
+
+	GrSelectEvents(w1, GR_EVENT_MASK_CLOSE_REQ|GR_EVENT_MASK_EXPOSURE|GR_EVENT_MASK_KEY_DOWN);
+
+	GrMapWindow(w1);
+
+	gc1 = GrNewGC();
+
+	GrSetGCForeground(gc1, WHITE);
+
+        cx = nglXCreateContext(NULL, 0);
+        nglXMakeCurrent(w1, cx);
+        
+        init();
+        reshape(width, height);
+
+	while (1) {
+            GrCheckNextEvent(&event);
+            switch(event.type) {
+            case GR_EVENT_TYPE_CLOSE_REQ:
+                GrFreeImage(id);
+                GrClose();
+                exit(0);
+            case GR_EVENT_TYPE_EXPOSURE:
+                break;
+            case GR_EVENT_TYPE_KEY_DOWN:
+                {
+                    GR_EVENT_KEYSTROKE *kp = &event.keystroke;
+                    /* XXX: nanoX special keys are totally bugged ! */
+                    switch(kp->ch) {
+                    case 81:
+                        k = KEY_LEFT;
+                        break;
+                    case 83:
+                        k = KEY_RIGHT;
+                        break;
+                    case 82:
+                        k = KEY_UP;
+                        break;
+                    case 84:
+                        k = KEY_DOWN;
+                        break;
+                    default:
+                        k = kp->ch;
+                        break;
+                    }
+                    key(k, 0);
+                }
+                break;
+            default:
+                idle();
+                break;
+            }
+        }
+
+	return 0;
+}
+
+
+/*
+ * Here on an unrecoverable error.
+ */
+void
+errorcatcher(code, name, id)
+	GR_ERROR	code;		/* error code */
+	GR_FUNC_NAME	name;		/* function name which failed */
+	GR_ID		id;		/* resource id */
+{
+	GrClose();
+	fprintf(stderr, "DEMO ERROR: code %d, function %s, resource id %d\n",
+		code, name, id);
+	exit(1);
+}
-- 
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