From ca071639f6775e42e6fc7d394424fe8936734764 Mon Sep 17 00:00:00 2001
From: tv <tv@krebsco.de>
Date: Tue, 25 Sep 2018 18:59:16 +0200
Subject: initial commit

---
 .gitignore |  1 +
 README     |  2 ++
 build      |  3 +++
 main.c     | 53 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 4 files changed, 59 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 README
 create mode 100755 build
 create mode 100644 main.c

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..7fc71cc
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+/a.out
diff --git a/README b/README
new file mode 100644
index 0000000..5d43ef5
--- /dev/null
+++ b/README
@@ -0,0 +1,2 @@
+Xephyr :100 -auth /tmp/.Xauth-X100 -nolisten tcp -resizeable
+DISPLAY=:100 cr --user-data-dir=/tmp/cr-test-profile
diff --git a/build b/build
new file mode 100755
index 0000000..5466525
--- /dev/null
+++ b/build
@@ -0,0 +1,3 @@
+#! /bin/sh
+set -efux
+nix-shell -p gcc xlibs.libX11.dev xlibs.libXrandr.dev pkgconfig --run 'gcc $(pkg-config --cflags --libs x11 xrandr) -Wall main.c'
diff --git a/main.c b/main.c
new file mode 100644
index 0000000..482acbe
--- /dev/null
+++ b/main.c
@@ -0,0 +1,53 @@
+#include <stdio.h>
+#include <X11/X.h>
+#include <X11/Xlib.h>
+#include <X11/extensions/Xrandr.h>
+
+
+int main(void) {
+  union {
+    XEvent xev;
+    XRRScreenChangeNotifyEvent xrrev;
+  } result;
+  //XRRScreenChangeNotifyEvent xev;
+  //XWindowAttributes focus_attrs, root_attrs;
+
+  Display *display = XOpenDisplay(NULL);
+
+  Window focus;
+  int revert_to;
+  XGetInputFocus(display, &focus, &revert_to);
+
+  printf("focus: %lx\n", focus);
+
+  //Window root = XDefaultRootWindow(display);
+
+  int xrr_event_base;
+  int xrr_error_base;
+  // TODO int hasXrandR =
+  XRRQueryExtension(display, &xrr_event_base, &xrr_error_base);
+
+  // TODO if has RR
+  XRRSelectInput(display, XDefaultRootWindow(display), RRScreenChangeNotifyMask);
+
+
+  for (;;) {
+
+    //XGetWindowAttributes(display, focus, &focus_attrs);
+
+    //printf("a\n");
+
+    //XWindowEvent(display, root, RRScreenChangeNotifyMask, (XEvent *)&xev);
+    XNextEvent(display, &result.xev);
+
+    if (result.xev.type == (xrr_event_base + RRScreenChangeNotify)) {
+      XMoveResizeWindow(display, focus, 0, 0, result.xrrev.width, result.xrrev.height);
+    }
+
+    //printf("derp\n");
+
+    //XFlush(display);
+  }
+
+  //XFlush(display);
+}
-- 
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