Everywhere: Hoist the Libraries folder to the top-level

Author: https://github.com/trflynn89 Commit: 93712b24bf Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/2256 Reviewed-by: https://github.com/sideshowbarker
2025-08-08 09:09:43 +00:00 · 2024-11-09 12:25:08 -05:00 · 2024-11-09 12:25:08 -05:00 · 93712b24bf · 2024-11-10 11:51:52 +00:00
commit 93712b24bf
parent 950e819ee7
4547 changed files with 104 additions and 113 deletions
--- a/Libraries/LibLine/KeyCallbackMachine.cpp
+++ b/Libraries/LibLine/KeyCallbackMachine.cpp
@ -0,0 +1,88 @@
+/*
+ * Copyright (c) 2020, the SerenityOS developers.
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#include <AK/Debug.h>
+#include <LibLine/Editor.h>
+
+namespace Line {
+
+void KeyCallbackMachine::register_key_input_callback(Vector<Key> keys, Function<bool(Editor&)> callback)
+{
+    m_key_callbacks.set(keys, make<KeyCallback>(move(callback)));
+}
+
+void KeyCallbackMachine::key_pressed(Editor& editor, Key key)
+{
+    dbgln_if(CALLBACK_MACHINE_DEBUG, "Key<{}, {}> pressed, seq_length={}, {} things in the matching vector", key.key, key.modifiers, m_sequence_length, m_current_matching_keys.size());
+    if (m_sequence_length == 0) {
+        VERIFY(m_current_matching_keys.is_empty());
+
+        for (auto& it : m_key_callbacks) {
+            if (it.key.first() == key)
+                m_current_matching_keys.append(it.key);
+        }
+
+        if (m_current_matching_keys.is_empty()) {
+            m_should_process_this_key = true;
+            return;
+        }
+    }
+
+    ++m_sequence_length;
+    Vector<Vector<Key>> old_matching_keys;
+    swap(m_current_matching_keys, old_matching_keys);
+
+    for (auto& okey : old_matching_keys) {
+        if (okey.size() < m_sequence_length)
+            continue;
+
+        if (okey[m_sequence_length - 1] == key)
+            m_current_matching_keys.append(okey);
+    }
+
+    if (m_current_matching_keys.is_empty()) {
+        // Insert any keys that were captured
+        if (!old_matching_keys.is_empty()) {
+            auto& keys = old_matching_keys.first();
+            for (size_t i = 0; i < m_sequence_length - 1; ++i)
+                editor.insert(keys[i].key);
+        }
+        m_sequence_length = 0;
+        m_should_process_this_key = true;
+        return;
+    }
+
+    if constexpr (CALLBACK_MACHINE_DEBUG) {
+        dbgln("seq_length={}, matching vector:", m_sequence_length);
+        for (auto& key : m_current_matching_keys) {
+            for (auto& k : key)
+                dbgln("    {}, {}", k.key, k.modifiers);
+            dbgln("");
+        }
+    }
+
+    m_should_process_this_key = false;
+    for (auto& key : m_current_matching_keys) {
+        if (key.size() == m_sequence_length) {
+            m_should_process_this_key = m_key_callbacks.get(key).value()->callback(editor);
+            m_sequence_length = 0;
+            m_current_matching_keys.clear();
+            return;
+        }
+    }
+}
+
+void KeyCallbackMachine::interrupted(Editor& editor)
+{
+    m_sequence_length = 0;
+    m_current_matching_keys.clear();
+    if (auto callback = m_key_callbacks.get({ ctrl('C') }); callback.has_value())
+        m_should_process_this_key = callback.value()->callback(editor);
+    else
+        m_should_process_this_key = true;
+}
+
+}