diff --git a/src/Compositor.cpp b/src/Compositor.cpp index 5fc00142..5f444fe8 100644 --- a/src/Compositor.cpp +++ b/src/Compositor.cpp @@ -388,6 +388,13 @@ void CCompositor::focusSurface(wlr_surface* pSurface, CWindow* pWindowOwner) { wlr_seat_keyboard_notify_enter(m_sSeat.seat, pSurface, KEYBOARD->keycodes, KEYBOARD->num_keycodes, &KEYBOARD->modifiers); + wlr_seat_keyboard_focus_change_event event = { + .seat = m_sSeat.seat, + .old_surface = m_pLastFocus, + .new_surface = pSurface, + }; + wlr_signal_emit_safe(&m_sSeat.seat->keyboard_state.events.focus_change, &event); + if (const auto PWINDOW = getWindowFromSurface(pSurface); PWINDOW) Debug::log(LOG, "Set keyboard focus to surface %x, with window name: %s", pSurface, PWINDOW->m_szTitle.c_str()); else diff --git a/src/helpers/MiscFunctions.cpp b/src/helpers/MiscFunctions.cpp index 484bbbfc..9974ab46 100644 --- a/src/helpers/MiscFunctions.cpp +++ b/src/helpers/MiscFunctions.cpp @@ -8,4 +8,37 @@ void addWLSignal(wl_signal* pSignal, wl_listener* pListener, void* pOwner, std:: wl_signal_add(pSignal, pListener); Debug::log(LOG, "Registered signal for owner %x: %x -> %x (owner: %s)", pOwner, pSignal, pListener, ownerString.c_str()); -} \ No newline at end of file +} + +void handleNoop(struct wl_listener *listener, void *data) { + // Do nothing +} + +void wlr_signal_emit_safe(struct wl_signal *signal, void *data) { + struct wl_listener cursor; + struct wl_listener end; + + /* Add two special markers: one cursor and one end marker. This way, we know + * that we've already called listeners on the left of the cursor and that we + * don't want to call listeners on the right of the end marker. The 'it' + * function can remove any element it wants from the list without troubles. + * wl_list_for_each_safe tries to be safe but it fails: it works fine + * if the current item is removed, but not if the next one is. */ + wl_list_insert(&signal->listener_list, &cursor.link); + cursor.notify = handleNoop; + wl_list_insert(signal->listener_list.prev, &end.link); + end.notify = handleNoop; + + while (cursor.link.next != &end.link) { + struct wl_list *pos = cursor.link.next; + struct wl_listener *l = wl_container_of(pos, l, link); + + wl_list_remove(&cursor.link); + wl_list_insert(pos, &cursor.link); + + l->notify(l, data); + } + + wl_list_remove(&cursor.link); + wl_list_remove(&end.link); +} diff --git a/src/helpers/MiscFunctions.hpp b/src/helpers/MiscFunctions.hpp index 0995aea7..acbd6d25 100644 --- a/src/helpers/MiscFunctions.hpp +++ b/src/helpers/MiscFunctions.hpp @@ -2,4 +2,5 @@ #include "../includes.hpp" -void addWLSignal(wl_signal*, wl_listener*, void* pOwner, std::string ownerString); \ No newline at end of file +void addWLSignal(wl_signal*, wl_listener*, void* pOwner, std::string ownerString); +void wlr_signal_emit_safe(struct wl_signal *signal, void *data); \ No newline at end of file