1 files changed, 42 insertions, 0 deletions
diff --git a/test/navigation.cxx b/test/navigation.cxx
new file mode 100644
index 000000000..e6477852c
--- /dev/null
+++ b/test/navigation.cxx
@@ -0,0 +1,42 @@
+/* 	Silly test of navigation keys.
+	This is not a recommended method of laying out your panels!
+*/
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <FL/Fl.H>
+#include <FL/Fl_Window.H>
+#include <FL/Fl_Input.H>
+
+#define WIDTH 600
+#define HEIGHT 300
+#define GRID 25
+
+int main(int argc, char **argv) {
+  if (argc > 1) srand(atoi(argv[1]));
+  Fl_Window window(WIDTH,HEIGHT,argv[0]);
+  window.end(); // don't auto-add children
+  for (int i = 0; i<10000; i++) {
+    // make up a random size of widget:
+    int x = rand()%(WIDTH/GRID+1) * GRID;
+    int y = rand()%(HEIGHT/GRID+1) * GRID;
+    int w = rand()%(WIDTH/GRID+1) * GRID;
+    if (w < x) {w = x-w; x-=w;} else {w = w-x;}
+    int h = rand()%(HEIGHT/GRID+1) * GRID;
+    if (h < y) {h = y-h; y-=h;} else {h = h-y;}
+    if (w < GRID || h < GRID || w < h) continue;
+    // find where to insert it and see if it intersects something:
+    Fl_Widget *i = 0;
+    int n; for (n=0; n < window.children(); n++) {
+      Fl_Widget *o = window.child(n);
+      if (x<o->x()+o->w() && x+w>o->x() &&
+	  y<o->y()+o->h() && y+h>o->y()) break;
+      if (!i && (y < o->y() || y == o->y() && x < o->x())) i = o;
+    }
+    // skip if intersection:
+    if (n < window.children()) continue;
+    window.insert(*(new Fl_Input(x,y,w,h)),i);
+  }
+  window.show();
+  return Fl::run();
+}