UrlLineEdit rework

- moved UrlLineEdit to src/addressbar
- added UrlLineEdit::connectWebView
- removed UrlLineEdit::pageAction
- UrlLineEdit restores the text format when losing focus
- Split off completer code into Completer class
- WebPage now displays a warning message box instead on certificate errors

1 files changed, 74 insertions, 0 deletions

diff --git a/src/addressbar/completer.cpp b/src/addressbar/completer.cpp
new file mode 100644
index 0000000..4c95bce
--- /dev/null
+++ b/src/addressbar/completer.cpp
@@ -0,0 +1,74 @@
+/*
+ * This file is part of smolbote. It's copyrighted by the contributors recorded
+ * in the version control history of the file, available from its original
+ * location: https://neueland.iserlohn-fortress.net/smolbote.hg
+ *
+ * SPDX-License-Identifier: GPL-3.0
+ */
+
+#include "completer.h"
+#include <QKeyEvent>
+
+Completer::Completer(QWidget *parent)
+    : QListView(parent)
+{
+    setWindowFlags(Qt::ToolTip);
+}
+
+bool Completer::updateItems(const QModelIndexList &list)
+{
+    if(list.isEmpty())
+        return false;
+
+    // list is not empty
+    QStringList l;
+    for(const QModelIndex &idx : list) {
+        l.append(idx.data(Qt::EditRole).toString());
+    }
+
+    auto *model = new QStringListModel(l, this);
+    setModel(model);
+
+    delete completionModel;
+    completionModel = model;
+
+    return true;
+}
+
+bool Completer::keyPressed(QKeyEvent *event)
+{
+    if(isHidden())
+        return false;
+
+    Q_CHECK_PTR(completionModel);
+
+    int count = completionModel->rowCount();
+    const QModelIndex currentIndex = this->currentIndex();
+
+    switch(event->key()) {
+    case Qt::Key_Down:
+        if(currentIndex.row() + 1 >= count) {
+            setCurrentIndex(completionModel->index(0, 0));
+        } else {
+            setCurrentIndex(completionModel->index(currentIndex.row() + 1, 0));
+        }
+        break;
+
+    case Qt::Key_Up:
+        if(currentIndex.row() == 0) {
+            setCurrentIndex(completionModel->index(count - 1, 0));
+        } else {
+            setCurrentIndex(completionModel->index(currentIndex.row() - 1, 0));
+        }
+        break;
+
+    case Qt::Key_Escape:
+        hide();
+        break;
+
+    default:
+        break;
+    }
+
+    return true;
+}