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Fix X11 memory leak after drag & drop file into the editor

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This commit is contained in:
Haoyu Qiu 2022-03-04 17:50:24 +08:00
parent 39dc25376e
commit 29e45d4fa0
1 changed files with 19 additions and 12 deletions
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31
platform/linuxbsd/display_server_x11.cpp
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@ -109,6 +109,15 @@ struct Hints {
unsigned long status = 0; unsigned long status = 0;
}; };
static String get_atom_name(Display *p_disp, Atom p_atom) {
char *name = XGetAtomName(p_disp, p_atom);
ERR_FAIL_NULL_V_MSG(name, String(), "Atom is invalid.");
String ret;
ret.parse_utf8(name);
XFree(name);
return ret;
}
bool DisplayServerX11::has_feature(Feature p_feature) const { bool DisplayServerX11::has_feature(Feature p_feature) const {
switch (p_feature) { switch (p_feature) {
case FEATURE_SUBWINDOWS: case FEATURE_SUBWINDOWS:
@ -435,7 +444,7 @@ String DisplayServerX11::_clipboard_get_impl(Atom p_source, Window x11_window, A
Window selection_owner = XGetSelectionOwner(x11_display, p_source); Window selection_owner = XGetSelectionOwner(x11_display, p_source);
if (selection_owner == x11_window) { if (selection_owner == x11_window) {
static const char *target_type = "PRIMARY"; static const char *target_type = "PRIMARY";
if (p_source != None && String(XGetAtomName(x11_display, p_source)) == target_type) { if (p_source != None && get_atom_name(x11_display, p_source) == target_type) {
return internal_clipboard_primary; return internal_clipboard_primary;
} else { } else {
return internal_clipboard; return internal_clipboard;
@ -2448,8 +2457,7 @@ String DisplayServerX11::keyboard_get_layout_language(int p_index) const {
Atom names = kbd->names->symbols; Atom names = kbd->names->symbols;
if (names != None) { if (names != None) {
char *name = XGetAtomName(x11_display, names); Vector<String> info = get_atom_name(x11_display, names).split("+");
Vector<String> info = String(name).split("+");
if (p_index >= 0 && p_index < _group_count) { if (p_index >= 0 && p_index < _group_count) {
if (p_index + 1 < info.size()) { if (p_index + 1 < info.size()) {
ret = info[p_index + 1]; // Skip "pc" at the start and "inet"/"group" at the end of symbols. ret = info[p_index + 1]; // Skip "pc" at the start and "inet"/"group" at the end of symbols.
@ -2459,7 +2467,6 @@ String DisplayServerX11::keyboard_get_layout_language(int p_index) const {
} else { } else {
ERR_PRINT("Index " + itos(p_index) + "is out of bounds (" + itos(_group_count) + ")."); ERR_PRINT("Index " + itos(p_index) + "is out of bounds (" + itos(_group_count) + ").");
} }
XFree(name);
} }
XkbFreeKeyboard(kbd, 0, true); XkbFreeKeyboard(kbd, 0, true);
} }
@ -2486,9 +2493,7 @@ String DisplayServerX11::keyboard_get_layout_name(int p_index) const {
} }
if (p_index >= 0 && p_index < _group_count) { if (p_index >= 0 && p_index < _group_count) {
char *full_name = XGetAtomName(x11_display, groups[p_index]); ret = get_atom_name(x11_display, groups[p_index]);
ret.parse_utf8(full_name);
XFree(full_name);
} else { } else {
ERR_PRINT("Index " + itos(p_index) + "is out of bounds (" + itos(_group_count) + ")."); ERR_PRINT("Index " + itos(p_index) + "is out of bounds (" + itos(_group_count) + ").");
} }
@ -2551,7 +2556,7 @@ static Atom pick_target_from_list(Display *p_display, Atom *p_list, int p_count)
for (int i = 0; i < p_count; i++) { for (int i = 0; i < p_count; i++) {
Atom atom = p_list[i]; Atom atom = p_list[i];
if (atom != None && String(XGetAtomName(p_display, atom)) == target_type) { if (atom != None && get_atom_name(p_display, atom) == target_type) {
return atom; return atom;
} }
} }
@ -2560,15 +2565,15 @@ static Atom pick_target_from_list(Display *p_display, Atom *p_list, int p_count)
static Atom pick_target_from_atoms(Display *p_disp, Atom p_t1, Atom p_t2, Atom p_t3) { static Atom pick_target_from_atoms(Display *p_disp, Atom p_t1, Atom p_t2, Atom p_t3) {
static const char *target_type = "text/uri-list"; static const char *target_type = "text/uri-list";
if (p_t1 != None && String(XGetAtomName(p_disp, p_t1)) == target_type) { if (p_t1 != None && get_atom_name(p_disp, p_t1) == target_type) {
return p_t1; return p_t1;
} }
if (p_t2 != None && String(XGetAtomName(p_disp, p_t2)) == target_type) { if (p_t2 != None && get_atom_name(p_disp, p_t2) == target_type) {
return p_t2; return p_t2;
} }
if (p_t3 != None && String(XGetAtomName(p_disp, p_t3)) == target_type) { if (p_t3 != None && get_atom_name(p_disp, p_t3) == target_type) {
return p_t3; return p_t3;
} }
@ -2890,7 +2895,7 @@ Atom DisplayServerX11::_process_selection_request_target(Atom p_target, Window p
// is the owner during a selection request. // is the owner during a selection request.
CharString clip; CharString clip;
static const char *target_type = "PRIMARY"; static const char *target_type = "PRIMARY";
if (p_selection != None && String(XGetAtomName(x11_display, p_selection)) == target_type) { if (p_selection != None && get_atom_name(x11_display, p_selection) == target_type) {
clip = internal_clipboard_primary.utf8(); clip = internal_clipboard_primary.utf8();
} else { } else {
clip = internal_clipboard.utf8(); clip = internal_clipboard.utf8();
@ -3914,6 +3919,7 @@ void DisplayServerX11::process_events() {
Property p = _read_property(x11_display, windows[window_id].x11_window, XInternAtom(x11_display, "PRIMARY", 0)); Property p = _read_property(x11_display, windows[window_id].x11_window, XInternAtom(x11_display, "PRIMARY", 0));
Vector<String> files = String((char *)p.data).split("\n", false); Vector<String> files = String((char *)p.data).split("\n", false);
XFree(p.data);
for (int i = 0; i < files.size(); i++) { for (int i = 0; i < files.size(); i++) {
files.write[i] = files[i].replace("file://", "").uri_decode().strip_edges(); files.write[i] = files[i].replace("file://", "").uri_decode().strip_edges();
} }
@ -3956,6 +3962,7 @@ void DisplayServerX11::process_events() {
if (more_than_3) { if (more_than_3) {
Property p = _read_property(x11_display, source, XInternAtom(x11_display, "XdndTypeList", False)); Property p = _read_property(x11_display, source, XInternAtom(x11_display, "XdndTypeList", False));
requested = pick_target_from_list(x11_display, (Atom *)p.data, p.nitems); requested = pick_target_from_list(x11_display, (Atom *)p.data, p.nitems);
XFree(p.data);
} else { } else {
requested = pick_target_from_atoms(x11_display, event.xclient.data.l[2], event.xclient.data.l[3], event.xclient.data.l[4]); requested = pick_target_from_atoms(x11_display, event.xclient.data.l[2], event.xclient.data.l[3], event.xclient.data.l[4]);
} }