init

1 files changed, 47 insertions, 0 deletions

diff --git a/main.c b/main.c
new file mode 100644
index 0000000..7603a26
--- /dev/null
+++ b/main.c
@@ -0,0 +1,47 @@
+// edit source code from: https://github.com/gvalkov/xrectsel
+//#include <stdio.h>
+#include <X11/Xlib.h>
+#include <unistd.h>
+
+//int main (int argc, char *argv[])
+int main (void)
+{
+    int int_tmp;
+    unsigned int uint_tmp;
+	Window window_tmp;
+
+	int rootx=0, rooty=0;
+
+	Display * disp = XOpenDisplay(NULL);
+    Screen * scr = ScreenOfDisplay(disp, DefaultScreen(disp));
+    Window root = RootWindow(disp, XScreenNumberOfScreen(scr));
+
+    XGCValues gcval;
+    gcval.foreground = XWhitePixel(disp, 0);
+    gcval.function   = GXxor;
+    gcval.background = XBlackPixel(disp, 0);
+    gcval.plane_mask = gcval.background ^ gcval.foreground;
+    gcval.subwindow_mode = IncludeInferiors;
+    GC gc = XCreateGC(disp, root,
+                      GCFunction|GCForeground|GCBackground|GCSubwindowMode,
+                      &gcval);
+
+	XQueryPointer(disp, root, &window_tmp, &window_tmp, &rootx, &rooty, &int_tmp, &int_tmp, &uint_tmp);
+	//printf("%d\n", DisplayWidth(disp, DefaultScreen(disp)));
+	//printf("%d\n\n", DisplayHeight(disp, DefaultScreen(disp)));
+	// XGetGeometry() maybe better, instead of DisplayHeight() and DisplayWidth()
+	XDrawLine(disp, root, gc, rootx, 0, rootx, DisplayHeight(disp, DefaultScreen(disp)));
+	XDrawLine(disp, root, gc, 0, rooty, DisplayWidth(disp, DefaultScreen(disp)), rooty);
+	//XDrawRectangle(disp, root, gc, 1000, 1000, 1000, 1000);
+	XFlush(disp);
+
+    XUngrabPointer(disp, CurrentTime);
+    XUngrabKeyboard(disp, CurrentTime);
+	//XFreeCursor(disp, cursor);
+    XFreeGC(disp, gc);
+    XSync(disp, True);
+
+    XCloseDisplay(disp);
+
+	return 0;
+}