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-rw-r--r--platform/linuxbsd/display_server_x11.cpp220
-rw-r--r--platform/linuxbsd/display_server_x11.h7
2 files changed, 177 insertions, 50 deletions
diff --git a/platform/linuxbsd/display_server_x11.cpp b/platform/linuxbsd/display_server_x11.cpp
index 176878bc12..365b4f5422 100644
--- a/platform/linuxbsd/display_server_x11.cpp
+++ b/platform/linuxbsd/display_server_x11.cpp
@@ -552,6 +552,60 @@ String DisplayServerX11::clipboard_get() const {
return ret;
}
+Bool DisplayServerX11::_predicate_clipboard_save_targets(Display *display, XEvent *event, XPointer arg) {
+ if (event->xany.window == *(Window *)arg) {
+ return (event->type == SelectionRequest) ||
+ (event->type == SelectionNotify);
+ } else {
+ return False;
+ }
+}
+
+void DisplayServerX11::_clipboard_transfer_ownership(Atom p_source, Window x11_window) const {
+ _THREAD_SAFE_METHOD_
+
+ Window selection_owner = XGetSelectionOwner(x11_display, p_source);
+
+ if (selection_owner != x11_window) {
+ return;
+ }
+
+ // Block events polling while processing selection events.
+ MutexLock mutex_lock(events_mutex);
+
+ Atom clipboard_manager = XInternAtom(x11_display, "CLIPBOARD_MANAGER", False);
+ Atom save_targets = XInternAtom(x11_display, "SAVE_TARGETS", False);
+ XConvertSelection(x11_display, clipboard_manager, save_targets, None,
+ x11_window, CurrentTime);
+
+ // Process events from the queue.
+ while (true) {
+ if (!_wait_for_events()) {
+ // Error or timeout, abort.
+ break;
+ }
+
+ // Non-blocking wait for next event and remove it from the queue.
+ XEvent ev;
+ while (XCheckIfEvent(x11_display, &ev, _predicate_clipboard_save_targets, (XPointer)&x11_window)) {
+ switch (ev.type) {
+ case SelectionRequest:
+ _handle_selection_request_event(&(ev.xselectionrequest));
+ break;
+
+ case SelectionNotify: {
+ if (ev.xselection.target == save_targets) {
+ // Once SelectionNotify is received, we're done whether it succeeded or not.
+ return;
+ }
+
+ break;
+ }
+ }
+ }
+ }
+}
+
int DisplayServerX11::get_screen_count() const {
_THREAD_SAFE_METHOD_
@@ -2272,53 +2326,105 @@ void DisplayServerX11::_handle_key_event(WindowID p_window, XKeyEvent *p_event,
Input::get_singleton()->accumulate_input_event(k);
}
-void DisplayServerX11::_handle_selection_request_event(XSelectionRequestEvent *p_event) {
- XEvent respond;
- if (p_event->target == XInternAtom(x11_display, "UTF8_STRING", 0) ||
- p_event->target == XInternAtom(x11_display, "COMPOUND_TEXT", 0) ||
- p_event->target == XInternAtom(x11_display, "TEXT", 0) ||
- p_event->target == XA_STRING ||
- p_event->target == XInternAtom(x11_display, "text/plain;charset=utf-8", 0) ||
- p_event->target == XInternAtom(x11_display, "text/plain", 0)) {
- // Directly using internal clipboard because we know our window
- // is the owner during a selection request.
- CharString clip = internal_clipboard.utf8();
- XChangeProperty(x11_display,
- p_event->requestor,
- p_event->property,
- p_event->target,
- 8,
- PropModeReplace,
- (unsigned char *)clip.get_data(),
- clip.length());
- respond.xselection.property = p_event->property;
- } else if (p_event->target == XInternAtom(x11_display, "TARGETS", 0)) {
- Atom data[7];
+Atom DisplayServerX11::_process_selection_request_target(Atom p_target, Window p_requestor, Atom p_property) const {
+ if (p_target == XInternAtom(x11_display, "TARGETS", 0)) {
+ // Request to list all supported targets.
+ Atom data[9];
data[0] = XInternAtom(x11_display, "TARGETS", 0);
- data[1] = XInternAtom(x11_display, "UTF8_STRING", 0);
- data[2] = XInternAtom(x11_display, "COMPOUND_TEXT", 0);
- data[3] = XInternAtom(x11_display, "TEXT", 0);
- data[4] = XA_STRING;
- data[5] = XInternAtom(x11_display, "text/plain;charset=utf-8", 0);
- data[6] = XInternAtom(x11_display, "text/plain", 0);
+ data[1] = XInternAtom(x11_display, "SAVE_TARGETS", 0);
+ data[2] = XInternAtom(x11_display, "MULTIPLE", 0);
+ data[3] = XInternAtom(x11_display, "UTF8_STRING", 0);
+ data[4] = XInternAtom(x11_display, "COMPOUND_TEXT", 0);
+ data[5] = XInternAtom(x11_display, "TEXT", 0);
+ data[6] = XA_STRING;
+ data[7] = XInternAtom(x11_display, "text/plain;charset=utf-8", 0);
+ data[8] = XInternAtom(x11_display, "text/plain", 0);
XChangeProperty(x11_display,
- p_event->requestor,
- p_event->property,
+ p_requestor,
+ p_property,
XA_ATOM,
32,
PropModeReplace,
(unsigned char *)&data,
sizeof(data) / sizeof(data[0]));
- respond.xselection.property = p_event->property;
-
+ return p_property;
+ } else if (p_target == XInternAtom(x11_display, "SAVE_TARGETS", 0)) {
+ // Request to check if SAVE_TARGETS is supported, nothing special to do.
+ XChangeProperty(x11_display,
+ p_requestor,
+ p_property,
+ XInternAtom(x11_display, "NULL", False),
+ 32,
+ PropModeReplace,
+ nullptr,
+ 0);
+ return p_property;
+ } else if (p_target == XInternAtom(x11_display, "UTF8_STRING", 0) ||
+ p_target == XInternAtom(x11_display, "COMPOUND_TEXT", 0) ||
+ p_target == XInternAtom(x11_display, "TEXT", 0) ||
+ p_target == XA_STRING ||
+ p_target == XInternAtom(x11_display, "text/plain;charset=utf-8", 0) ||
+ p_target == XInternAtom(x11_display, "text/plain", 0)) {
+ // Directly using internal clipboard because we know our window
+ // is the owner during a selection request.
+ CharString clip = internal_clipboard.utf8();
+ XChangeProperty(x11_display,
+ p_requestor,
+ p_property,
+ p_target,
+ 8,
+ PropModeReplace,
+ (unsigned char *)clip.get_data(),
+ clip.length());
+ return p_property;
} else {
- char *targetname = XGetAtomName(x11_display, p_event->target);
- printf("No Target '%s'\n", targetname);
- if (targetname) {
- XFree(targetname);
+ char *target_name = XGetAtomName(x11_display, p_target);
+ printf("Target '%s' not supported.\n", target_name);
+ if (target_name) {
+ XFree(target_name);
}
+ return None;
+ }
+}
+
+void DisplayServerX11::_handle_selection_request_event(XSelectionRequestEvent *p_event) const {
+ XEvent respond;
+ if (p_event->target == XInternAtom(x11_display, "MULTIPLE", 0)) {
+ // Request for multiple target conversions at once.
+ Atom atom_pair = XInternAtom(x11_display, "ATOM_PAIR", False);
respond.xselection.property = None;
+
+ Atom type;
+ int format;
+ unsigned long len;
+ unsigned long remaining;
+ unsigned char *data = nullptr;
+ if (XGetWindowProperty(x11_display, p_event->requestor, p_event->property, 0, LONG_MAX, False, atom_pair, &type, &format, &len, &remaining, &data) == Success) {
+ if ((len >= 2) && data) {
+ Atom *targets = (Atom *)data;
+ for (uint64_t i = 0; i < len; i += 2) {
+ Atom target = targets[i];
+ Atom &property = targets[i + 1];
+ property = _process_selection_request_target(target, p_event->requestor, property);
+ }
+
+ XChangeProperty(x11_display,
+ p_event->requestor,
+ p_event->property,
+ atom_pair,
+ 32,
+ PropModeReplace,
+ (unsigned char *)targets,
+ len);
+
+ respond.xselection.property = p_event->property;
+ }
+ XFree(data);
+ }
+ } else {
+ // Request for target conversion.
+ respond.xselection.property = _process_selection_request_target(p_event->target, p_event->requestor, p_event->property);
}
respond.xselection.type = SelectionNotify;
@@ -2454,32 +2560,43 @@ Bool DisplayServerX11::_predicate_all_events(Display *display, XEvent *event, XP
return True;
}
-void DisplayServerX11::_poll_events() {
+bool DisplayServerX11::_wait_for_events() const {
int x11_fd = ConnectionNumber(x11_display);
fd_set in_fds;
- while (!events_thread_done) {
- XFlush(x11_display);
+ XFlush(x11_display);
+
+ FD_ZERO(&in_fds);
+ FD_SET(x11_fd, &in_fds);
- FD_ZERO(&in_fds);
- FD_SET(x11_fd, &in_fds);
+ struct timeval tv;
+ tv.tv_usec = 0;
+ tv.tv_sec = 1;
- struct timeval tv;
- tv.tv_usec = 0;
- tv.tv_sec = 1;
+ // Wait for next event or timeout.
+ int num_ready_fds = select(x11_fd + 1, &in_fds, NULL, NULL, &tv);
- // Wait for next event or timeout.
- int num_ready_fds = select(x11_fd + 1, &in_fds, NULL, NULL, &tv);
+ if (num_ready_fds > 0) {
+ // Event received.
+ return true;
+ } else {
+ // Error or timeout.
if (num_ready_fds < 0) {
- ERR_PRINT("_poll_events: select error: " + itos(errno));
+ ERR_PRINT("_wait_for_events: select error: " + itos(errno));
}
+ return false;
+ }
+}
+
+void DisplayServerX11::_poll_events() {
+ while (!events_thread_done) {
+ _wait_for_events();
// Process events from the queue.
{
MutexLock mutex_lock(events_mutex);
- // Non-blocking wait for next event
- // and remove it from the queue.
+ // Non-blocking wait for next event and remove it from the queue.
XEvent ev;
while (XCheckIfEvent(x11_display, &ev, _predicate_all_events, nullptr)) {
// Check if the input manager wants to process the event.
@@ -4034,6 +4151,11 @@ DisplayServerX11::DisplayServerX11(const String &p_rendering_driver, WindowMode
}
DisplayServerX11::~DisplayServerX11() {
+ // Send owned clipboard data to clipboard manager before exit.
+ Window x11_main_window = windows[MAIN_WINDOW_ID].x11_window;
+ _clipboard_transfer_ownership(XA_PRIMARY, x11_main_window);
+ _clipboard_transfer_ownership(XInternAtom(x11_display, "CLIPBOARD", 0), x11_main_window);
+
events_thread_done = true;
Thread::wait_to_finish(events_thread);
memdelete(events_thread);
diff --git a/platform/linuxbsd/display_server_x11.h b/platform/linuxbsd/display_server_x11.h
index 740bf81fd9..e0e99d15b9 100644
--- a/platform/linuxbsd/display_server_x11.h
+++ b/platform/linuxbsd/display_server_x11.h
@@ -204,10 +204,13 @@ class DisplayServerX11 : public DisplayServer {
Point2i center;
void _handle_key_event(WindowID p_window, XKeyEvent *p_event, LocalVector<XEvent> &p_events, uint32_t &p_event_index, bool p_echo = false);
- void _handle_selection_request_event(XSelectionRequestEvent *p_event);
+
+ Atom _process_selection_request_target(Atom p_target, Window p_requestor, Atom p_property) const;
+ void _handle_selection_request_event(XSelectionRequestEvent *p_event) const;
String _clipboard_get_impl(Atom p_source, Window x11_window, Atom target) const;
String _clipboard_get(Atom p_source, Window x11_window) const;
+ void _clipboard_transfer_ownership(Atom p_source, Window x11_window) const;
//bool minimized;
//bool window_has_focus;
@@ -262,10 +265,12 @@ class DisplayServerX11 : public DisplayServer {
bool events_thread_done = false;
LocalVector<XEvent> polled_events;
static void _poll_events_thread(void *ud);
+ bool _wait_for_events() const;
void _poll_events();
static Bool _predicate_all_events(Display *display, XEvent *event, XPointer arg);
static Bool _predicate_clipboard_selection(Display *display, XEvent *event, XPointer arg);
+ static Bool _predicate_clipboard_save_targets(Display *display, XEvent *event, XPointer arg);
protected:
void _window_changed(XEvent *event);
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-23 01:03:52 +0000