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const char XdndVersion = 5;
void
xdndsel(XEvent *e)
{
char* data;
unsigned long result;
Atom actualType;
int32_t actualFormat;
unsigned long bytesAfter;
XEvent reply = { ClientMessage };
reply.xclient.window = xw.XdndSourceWin;
reply.xclient.format = 32;
reply.xclient.data.l[0] = (long) xw.win;
reply.xclient.data.l[2] = 0;
reply.xclient.data.l[3] = 0;
XGetWindowProperty((Display*) xw.dpy, e->xselection.requestor,
e->xselection.property, 0, LONG_MAX, False,
e->xselection.target, &actualType, &actualFormat, &result,
&bytesAfter, (unsigned char**) &data);
if (result == 0)
return;
if (data) {
xdndpastedata(data);
XFree(data);
}
if (xw.XdndSourceVersion >= 2) {
reply.xclient.message_type = xw.XdndFinished;
reply.xclient.data.l[1] = result;
reply.xclient.data.l[2] = xw.XdndActionCopy;
XSendEvent((Display*) xw.dpy, xw.XdndSourceWin, False, NoEventMask,
&reply);
XFlush((Display*) xw.dpy);
}
}
int
xdndurldecode(char *src, char *dest)
{
char c;
int i = 0;
while (*src) {
if (*src == '%' && HEX_TO_INT(src[1]) != -1 && HEX_TO_INT(src[2]) != -1) {
/* handle %xx escape sequences in url e.g. %20 == ' ' */
c = (char)((HEX_TO_INT(src[1]) << 4) | HEX_TO_INT(src[2]));
src += 3;
} else {
c = *src++;
}
if (strchr(xdndescchar, c) != NULL) {
*dest++ = '\\';
i++;
}
*dest++ = c;
i++;
}
*dest++ = ' ';
*dest = '\0';
return i + 1;
}
void
xdndpastedata(char *data)
{
char *pastedata, *t;
int i = 0;
pastedata = (char *)malloc(strlen(data) * 2 + 1);
*pastedata = '\0';
t = strtok(data, "\n\r");
while(t != NULL) {
/* Remove 'file://' prefix if it exists */
if (strncmp(data, "file://", 7) == 0) {
t += 7;
}
i += xdndurldecode(t, pastedata + i);
t = strtok(NULL, "\n\r");
}
xsetsel(pastedata);
selpaste(0);
}
void
xdndenter(XEvent *e)
{
unsigned long count;
Atom* formats;
Atom real_formats[6];
Bool list;
Atom actualType;
int32_t actualFormat;
unsigned long bytesAfter;
unsigned long i;
list = e->xclient.data.l[1] & 1;
if (list) {
XGetWindowProperty((Display*) xw.dpy,
xw.XdndSourceWin,
xw.XdndTypeList,
0,
LONG_MAX,
False,
4,
&actualType,
&actualFormat,
&count,
&bytesAfter,
(unsigned char**) &formats);
} else {
count = 0;
if (e->xclient.data.l[2] != None)
real_formats[count++] = e->xclient.data.l[2];
if (e->xclient.data.l[3] != None)
real_formats[count++] = e->xclient.data.l[3];
if (e->xclient.data.l[4] != None)
real_formats[count++] = e->xclient.data.l[4];
formats = real_formats;
}
for (i = 0; i < count; i++) {
if (formats[i] == xw.XtextUriList || formats[i] == xw.XtextPlain) {
xw.XdndSourceFormat = formats[i];
break;
}
}
if (list)
XFree(formats);
}
void
xdndpos(XEvent *e)
{
const int32_t xabs = (e->xclient.data.l[2] >> 16) & 0xffff;
const int32_t yabs = (e->xclient.data.l[2]) & 0xffff;
Window dummy;
int32_t xpos, ypos;
XEvent reply = { ClientMessage };
reply.xclient.window = xw.XdndSourceWin;
reply.xclient.format = 32;
reply.xclient.data.l[0] = (long) xw.win;
reply.xclient.data.l[2] = 0;
reply.xclient.data.l[3] = 0;
XTranslateCoordinates((Display*) xw.dpy,
XDefaultRootWindow((Display*) xw.dpy),
(Window) xw.win,
xabs, yabs,
&xpos, &ypos,
&dummy);
reply.xclient.message_type = xw.XdndStatus;
if (xw.XdndSourceFormat) {
reply.xclient.data.l[1] = 1;
if (xw.XdndSourceVersion >= 2)
reply.xclient.data.l[4] = xw.XdndActionCopy;
}
XSendEvent((Display*) xw.dpy, xw.XdndSourceWin, False, NoEventMask,
&reply);
XFlush((Display*) xw.dpy);
}
void
xdnddrop(XEvent *e)
{
Time time = CurrentTime;
XEvent reply = { ClientMessage };
reply.xclient.window = xw.XdndSourceWin;
reply.xclient.format = 32;
reply.xclient.data.l[0] = (long) xw.win;
reply.xclient.data.l[2] = 0;
reply.xclient.data.l[3] = 0;
if (xw.XdndSourceFormat) {
if (xw.XdndSourceVersion >= 1)
time = e->xclient.data.l[2];
XConvertSelection((Display*) xw.dpy, xw.XdndSelection,
xw.XdndSourceFormat, xw.XdndSelection, (Window) xw.win, time);
} else if (xw.XdndSourceVersion >= 2) {
reply.xclient.message_type = xw.XdndFinished;
XSendEvent((Display*) xw.dpy, xw.XdndSourceWin,
False, NoEventMask, &reply);
XFlush((Display*) xw.dpy);
}
}
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