Initial. Don't... just don't ask.

demos/printftest.c

@@ -0,0 +1,72 @@
+/* Program to test the svgalib keyboard functions. */
+
+#include <unistd.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <time.h>
+#include <vga.h>
+#include <vgagl.h>
+#include <vgakeyboard.h>
+
+void usage(void)
+{
+    puts("Usage: printftest <x> <y>\n"
+	"\tread text from keyboard and display it on screen\n"
+	"\tat position (x, y).\n"
+	"\t<ctrl>-D for quit\n"
+	"\t<ctrl>-R for carriage return\n"
+	"\t<Return> for line feed\n"
+	"\t<Tab>    for tab\n"
+	"\t<ctrl>-G for bell\n"
+	"\t<ctrl>-H for backspace (non overwriting)\n"
+    );
+    exit(2);
+}
+
+int main(int argc, char **argv)
+{
+    int x, y;
+    char buffer[2];
+    int vgamode;
+    int key, retval = 0;
+
+    if (argc != 3)
+	usage();
+    if (1 != sscanf(argv[1], "%d%c", &x, buffer))
+	usage();
+    if (1 != sscanf(argv[2], "%d%c", &y, buffer))
+	usage();
+
+    vga_init();
+    vgamode = vga_getdefaultmode();
+    if (vgamode == -1)
+	vgamode = G320x200x256;
+
+    if (!vga_hasmode(vgamode)) {
+	printf("Mode not available.\n");
+	exit(1);
+    }
+
+    vga_setmode(vgamode);
+    gl_setcontextvga(vgamode);
+    gl_enableclipping();
+    gl_setfont(8, 8, gl_font8x8);
+    gl_setwritemode(FONT_COMPRESSED + WRITEMODE_OVERWRITE);
+    gl_setfontcolors(0, vga_white());
+
+    buffer[1] = 0;
+    for(;;) {
+	key = vga_getch();
+	if (key == 4)
+	    break;
+	if (key == 18)
+	    key = '\r';
+	buffer[0] = key;
+	gl_printf(x, y, "%s", buffer);
+	x = y = -1;
+    }
+
+    vga_setmode(TEXT);
+
+    exit(retval);
+}