mirror of https://github.com/hyprwm/Hyprland
57 lines
1.7 KiB
C++
57 lines
1.7 KiB
C++
#include "MiscFunctions.hpp"
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#include "../defines.hpp"
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void addWLSignal(wl_signal* pSignal, wl_listener* pListener, void* pOwner, std::string ownerString) {
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ASSERT(pSignal);
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ASSERT(pListener);
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wl_signal_add(pSignal, pListener);
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Debug::log(LOG, "Registered signal for owner %x: %x -> %x (owner: %s)", pOwner, pSignal, pListener, ownerString.c_str());
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}
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void handleNoop(struct wl_listener *listener, void *data) {
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// Do nothing
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}
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void wlr_signal_emit_safe(struct wl_signal *signal, void *data) {
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struct wl_listener cursor;
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struct wl_listener end;
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/* Add two special markers: one cursor and one end marker. This way, we know
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* that we've already called listeners on the left of the cursor and that we
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* don't want to call listeners on the right of the end marker. The 'it'
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* function can remove any element it wants from the list without troubles.
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* wl_list_for_each_safe tries to be safe but it fails: it works fine
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* if the current item is removed, but not if the next one is. */
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wl_list_insert(&signal->listener_list, &cursor.link);
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cursor.notify = handleNoop;
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wl_list_insert(signal->listener_list.prev, &end.link);
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end.notify = handleNoop;
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while (cursor.link.next != &end.link) {
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struct wl_list *pos = cursor.link.next;
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struct wl_listener *l = wl_container_of(pos, l, link);
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wl_list_remove(&cursor.link);
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wl_list_insert(pos, &cursor.link);
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l->notify(l, data);
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}
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wl_list_remove(&cursor.link);
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wl_list_remove(&end.link);
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}
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std::string getFormat(const char *fmt, ...) {
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char buf[2048] = "";
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va_list args;
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va_start(args, fmt);
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vsprintf(buf, fmt, args);
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va_end(args);
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return std::string(buf);
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} |