1 files changed, 53 insertions, 0 deletions
diff --git a/src/keymap/KeymapEvaluator.cpp b/src/keymap/KeymapEvaluator.cpp
index cca10e8..baae819 100644
--- a/src/keymap/KeymapEvaluator.cpp
+++ b/src/keymap/KeymapEvaluator.cpp
@@ -4,3 +4,56 @@
 #include "keymap/KeymapEvaluator.hpp"
 
 KeymapEvaluator::KeymapEvaluator() : QObject() {}
+
+// TODO: Clear mapping after some time
+
+void KeymapEvaluator::addKeymap(KeyMode mode, QString key, KeyAction action) {
+  if (!modalKeys.contains(mode))
+    modalKeys.insert(mode, {});
+
+  auto keySeq = keySeqParser.parse(key);
+  modalKeys[mode].append((KeyMap){.keySequence = keySeq, .action = action});
+}
+
+bool KeymapEvaluator::evaluate(Qt::KeyboardModifiers modifiers, Qt::Key key) {
+  if (key == Qt::Key_Control || key == Qt::Key_Shift || key == Qt::Key_Meta ||
+      key == Qt::Key_Alt)
+    return true;
+
+  auto keymaps = currentModeKeys();
+  auto foundPendingMatches = false;
+
+  activeKeySequence.append((KeyChord){.mod = modifiers, .key = key});
+
+  for (auto &keymap : *keymaps) {
+    auto matchType =
+        KeySeqParser::keySequenceMatch(keymap.keySequence, activeKeySequence);
+
+    if (matchType == KeyMatchType::Match) {
+      keymap.action();
+      activeKeySequence.clear();
+      return true;
+    } else if (matchType == KeyMatchType::Pending) {
+      foundPendingMatches = true;
+    }
+  }
+
+  if (!foundPendingMatches)
+    activeKeySequence.clear();
+
+  if (isInsertableMode())
+    return foundPendingMatches;
+
+  return true;
+}
+
+bool KeymapEvaluator::isInsertableMode() {
+  return currentMode == KeyMode::Insert;
+}
+
+const QList<KeyMap> *KeymapEvaluator::currentModeKeys() {
+  if (!modalKeys.contains(currentMode))
+    return new QList<KeyMap>();
+
+  return &modalKeys[currentMode];
+}