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-rw-r--r--util.c38
1 files changed, 38 insertions, 0 deletions
diff --git a/util.c b/util.c
index c0f2489..052d535 100644
--- a/util.c
+++ b/util.c
@@ -10,6 +10,7 @@
#include <sys/types.h>
#include <sys/wait.h>
#include <unistd.h>
+#include <X11/Xatom.h>
#include "util.h"
@@ -147,3 +148,40 @@ pipe_spawn(char *buf, unsigned int len, Display *dpy, const char *cmd)
}
wait(0);
}
+
+
+unsigned char *
+getselection(unsigned long offset, unsigned long *len, unsigned long *remain)
+{
+ Display *dpy;
+ Atom xa_clip_string;
+ Window w;
+ XEvent ev;
+ Atom typeret;
+ int format;
+ unsigned char *data;
+ unsigned char *result = NULL;
+
+ dpy = XOpenDisplay(0);
+ if(!dpy)
+ return NULL;
+ xa_clip_string = XInternAtom(dpy, "_SEL_STRING", False);
+ w = XCreateSimpleWindow(dpy, DefaultRootWindow(dpy), 10, 10, 200, 200,
+ 1, CopyFromParent, CopyFromParent);
+ XConvertSelection(dpy, XA_PRIMARY, XA_STRING, xa_clip_string,
+ w, CurrentTime);
+ XFlush(dpy);
+ XNextEvent(dpy, &ev);
+ if(ev.type == SelectionNotify && ev.xselection.property != None) {
+ XGetWindowProperty(dpy, w, ev.xselection.property, offset, 4096L, False,
+ AnyPropertyType, &typeret, &format, len, remain, &data);
+ if(*len) {
+ result = emalloc(sizeof(unsigned char) * *len);
+ memcpy(result, data, *len);
+ }
+ XDeleteProperty(dpy, w, ev.xselection.property);
+ }
+ XDestroyWindow(dpy, w);
+ XCloseDisplay(dpy);
+ return result;
+}