numerous keyframe improvements

project/keyframe.cpp

@@ -1,5 +1,10 @@
 #include "keyframe.h"
 
+#include <QVector>
+
+#include "effectfield.h"
+#include "undo.h"
+#include "panels/panels.h"
 
 EffectKeyframe::EffectKeyframe() {
 	pre_handle_x = -40;
@@ -7,3 +12,35 @@ EffectKeyframe::EffectKeyframe() {
 	post_handle_x = 40;
 	post_handle_y = 0;
 }
+
+void delete_keyframes(QVector<EffectField *>& selected_key_fields, QVector<int> &selected_keys) {
+	QVector<EffectField*> fields;
+	QVector<int> key_indices;
+
+	for (int i=0;i<selected_keys.size();i++) {
+		bool added = false;
+		for (int j=0;j<key_indices.size();j++) {
+			if (key_indices.at(j) < selected_keys.at(i)) {
+				key_indices.insert(j, selected_keys.at(i));
+				fields.insert(j, selected_key_fields.at(i));
+				added = true;
+				break;
+			}
+		}
+		if (!added) {
+			key_indices.append(selected_keys.at(i));
+			fields.append(selected_key_fields.at(i));
+		}
+	}
+
+	if (fields.size() > 0) {
+		ComboAction* ca = new ComboAction();
+		for (int i=0;i<key_indices.size();i++) {
+			ca->append(new KeyframeDelete(fields.at(i), key_indices.at(i)));
+		}
+		undo_stack.push(ca);
+		selected_keys.clear();
+		selected_key_fields.clear();
+		update_ui(false);
+	}
+}