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| #include <xcb/xcb.h>
#include <xcb/xcb_atom.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <iostream>
#include <string.h>
using namespace std;
#ifndef UINT32_MAX
#define UINT32_MAX 0xffffffff
#endif
#define XCB_EVENT_RESPONSE_TYPE_MASK (0x7f)
#define XCB_EVENT_RESPONSE_TYPE(e) (e->response_type & XCB_EVENT_RESPONSE_TYPE_MASK)
#define XCB_EVENT_SENT(e) (e->response_type & ~XCB_EVENT_RESPONSE_TYPE_MASK)
xcb_atom_t get_atom_from_string(xcb_connection_t *connect, const char *atom_str)
{
xcb_intern_atom_cookie_t cookie_;
xcb_intern_atom_reply_t *reply_;
cookie_ = xcb_intern_atom (connect,0,strlen(atom_str),atom_str);
reply_ = xcb_intern_atom_reply (connect, cookie_, NULL);
xcb_atom_t atom = reply_->atom;
free(reply_);
return atom;
}
int main (int argc, char **argv)
{
xcb_connection_t *connect;
xcb_screen_t *screen;
xcb_window_t win;
xcb_generic_event_t *event;
int done;
// open connection with the server
connect = xcb_connect (NULL, NULL);
if (xcb_connection_has_error (connect) /*== NULL*/)
{
cout << "cannot connect to X server " << endl;
xcb_disconnect (connect);
return 0;
}
screen = xcb_setup_roots_iterator (xcb_get_setup (connect)).data;
/* create window */
uint32_t mask;
uint32_t values[2]; //3 для XCB_CW_OVERRIDE_REDIRECT
//mask = XCB_CW_BACK_PIXMAP| XCB_CW_EVENT_MASK; - фон окна - pixmap рабочего стола
mask = XCB_CW_BACK_PIXEL | XCB_CW_EVENT_MASK; // | XCB_CW_OVERRIDE_REDIRECT; - этот флаг - если вам не нужна рамка и голова( но все сообщения перемещения/ресайз и т.д. на вашей совести )
//values[0] = XCB_BACK_PIXMAP_PARENT_RELATIVE;//- фон окна - pixmap рабочего стола
values[0] = screen->white_pixel;
values[1] = XCB_EVENT_MASK_EXPOSURE | XCB_EVENT_MASK_KEY_PRESS | XCB_EVENT_MASK_PROPERTY_CHANGE;
//values[2] = 1;//значение XCB_CW_OVERRIDE_REDIRECT;
win = xcb_generate_id (connect);
xcb_create_window (connect, XCB_COPY_FROM_PARENT, win, screen->root,
0, 0, 500, 500, 0,
XCB_WINDOW_CLASS_INPUT_OUTPUT,
screen->root_visual,
mask, values);
//далее смотрим какие прилржения готовы обменятся информацией
//CLIPBOARD - выделение/копирование клавой PRIMARY - мышкой
///++++++++++++++++++++++++++++++++
xcb_atom_t PRIMARY = get_atom_from_string(connect, "PRIMARY");
xcb_atom_t CLIPBOARD = get_atom_from_string(connect, "CLIPBOARD");
cout << "PRIMARY atom: " << PRIMARY << endl;
cout << "CLIPBOARD atom: " << CLIPBOARD << endl;
xcb_get_selection_owner_cookie_t cookie_primary, cookie_clipboard;
cookie_primary = xcb_get_selection_owner(connect, PRIMARY);//XCB_ATOM_PRIMARY
cookie_clipboard = xcb_get_selection_owner(connect, CLIPBOARD);
xcb_get_selection_owner_reply_t *reply_primary = xcb_get_selection_owner_reply( connect, cookie_primary, NULL );
xcb_get_selection_owner_reply_t *reply_clipboard = xcb_get_selection_owner_reply( connect, cookie_clipboard, NULL );
xcb_window_t win_owner_primary = reply_primary->owner;
xcb_window_t win_owner_clipboard = reply_clipboard->owner;
xcb_get_property_cookie_t cookie_property_primary;
xcb_get_property_cookie_t cookie_property_clipboard;
cookie_property_primary = xcb_get_property_unchecked(connect, 0, win_owner_primary, get_atom_from_string(connect, "_NET_WM_NAME")
, get_atom_from_string(connect, "UTF8_STRING"), 0, UINT32_MAX);
cookie_property_clipboard = xcb_get_property_unchecked(connect, 0, win_owner_clipboard, get_atom_from_string(connect, "_NET_WM_NAME")
, get_atom_from_string(connect, "UTF8_STRING"), 0, UINT32_MAX);
xcb_get_property_reply_t *reply_property_primary = xcb_get_property_reply(connect, cookie_property_primary, NULL);
xcb_get_property_reply_t *reply_property_clipboard = xcb_get_property_reply(connect, cookie_property_clipboard, NULL);
void *data = NULL;
data = xcb_get_property_value(reply_property_primary);
if (reply_property_primary && data )
{
cout << "PRIMARY owner: "<< (char*)data << " id " << win_owner_primary << endl;
}else cout << "PRIMARY owner: NONE" << endl;
data = NULL;
data = xcb_get_property_value(reply_property_clipboard);
if (reply_property_clipboard && data )
{
cout << "CLIPBOARD owner: "<<(char*)data << " id " << win_owner_clipboard << endl;
}else cout << "CLIPBOARD owner: NONE" << endl;
cout << "XSEL_DATA atom: " << get_atom_from_string(connect, "XSEL_DATA") << endl;
free(reply_property_primary);
free(reply_primary);
free(reply_property_clipboard);
free(reply_clipboard);
xcb_atom_t utf8_string = get_atom_from_string(connect, "UTF8_STRING");
xcb_atom_t xsel_data = get_atom_from_string(connect, "XSEL_DATA"); // вот этот атом - сама суть X SLECTION DATA
xcb_convert_selection(connect,
win,
PRIMARY, //XCB_ATOM_PRIMARY, одноху...венно
utf8_string,
//NULL, - здесь Нулл не работает :)
xsel_data,
XCB_CURRENT_TIME);
xcb_flush (connect);
int done_ev = 0;
int i = 0;
xcb_generic_event_t *ev;
while(!done_ev)
{
ev = xcb_wait_for_event (connect);
if(!ev) return 0;
if ( XCB_EVENT_RESPONSE_TYPE(ev) != XCB_SELECTION_NOTIFY ) continue; // пока не произойдет convert_selection
cout << "XCB_EVENT_RESPONSE_TYPE(ev) " << (int)XCB_EVENT_RESPONSE_TYPE(ev) << endl;
cout << "XCB_SELECTION_NOTIFY " << (int)XCB_SELECTION_NOTIFY << endl;
xcb_selection_notify_event_t *event_notify = (xcb_selection_notify_event_t *) ev;
cout << endl<<endl<< "event_notify" << endl << endl;
cout << "property " << (int)event_notify->property << endl;
cout << "requestor " << (int)event_notify->requestor << endl;
cout << " win id: " << win <<endl;
cout << "response_type " << (int)event_notify->response_type << endl;
cout << "selection " << (int)event_notify->selection << endl;
cout << "sequence " << (int)event_notify->sequence << endl;
cout << "target " << (int)event_notify->target << endl;
cout << "time " << (int)event_notify->time << endl;
cout<<"++++++++++++++++++"<<endl<<endl;
if (event_notify->property)
{
xcb_get_property_reply_t *reply;
xcb_get_property_cookie_t cookie;
cookie = xcb_get_property_unchecked(connect, 0, event_notify->requestor, event_notify->property,utf8_string, 0, UINT32_MAX);
reply = xcb_get_property_reply(connect, cookie, 0);
void *value = xcb_get_property_value(reply);
int val_len = xcb_get_property_value_length(reply);
if (reply && value && val_len)
{
cout << val_len << endl;
cout << (char *)value<<endl;
xcb_delete_property(connect,
event_notify->requestor,
event_notify->property);
}
free(reply);
}
free(ev);
done_ev = 1;
}
//xcb_flush (connect);
/* map (show) the window */
//вот здесь далее в комментариях сам вопрос - КАК МНЕ СКОПИРОВАТЬ ТЕКСТ ИЗ СВОЕЙ ПРОГРАММЫ В БУФЕР ОБМЕНА
// xcb_flush (connect);
// char *str = "hallo";
//xcb_change_property(connect,XCB_PROP_MODE_REPLACE,0,xsel_data, utf8_string,32,strlen(str),str);
//xcb_flush (connect);
// xcb_set_selection_owner(connect, win, PRIMARY, XCB_CURRENT_TIME);
//xcb_set_selection_owner(connect, win, CLIPBOARD, XCB_CURRENT_TIME);
// Н Е Р А Б О Т А Е Т !!!
xcb_flush (connect);
xcb_map_window(connect, win);
xcb_flush (connect);
/* event loop */
done = 0;
while (!done)
{
event = xcb_wait_for_event (connect);
//switch (event->response_type & ~0x80)
switch (XCB_EVENT_RESPONSE_TYPE(event))
{
//(re)draw the window
case XCB_EXPOSE:
cout << "XCB_EXPOSE" << endl;
break;
// exit on keypress
case XCB_KEY_PRESS:
done = 1;
break;
}
free (event);
}
/* close connection to server */
xcb_disconnect (connect);
return 0; |
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