Allow direct terminal typing and collapsible session panels

src/terminal_view.cpp

@@ -0,0 +1,78 @@
+#include "terminal_view.h"
+
+#include <QApplication>
+#include <QClipboard>
+#include <QKeyEvent>
+
+TerminalView::TerminalView(QWidget* parent) : QPlainTextEdit(parent)
+{
+    setReadOnly(true);
+    setUndoRedoEnabled(false);
+}
+
+void TerminalView::keyPressEvent(QKeyEvent* event)
+{
+    if (event == nullptr) {
+        return;
+    }
+
+    const Qt::KeyboardModifiers modifiers = event->modifiers();
+
+    if (modifiers == Qt::ControlModifier) {
+        switch (event->key()) {
+        case Qt::Key_C:
+            emit inputGenerated(QStringLiteral("\x03"));
+            return;
+        case Qt::Key_D:
+            emit inputGenerated(QStringLiteral("\x04"));
+            return;
+        case Qt::Key_L:
+            emit inputGenerated(QStringLiteral("\x0c"));
+            return;
+        case Qt::Key_V: {
+            const QString clipboardText = QApplication::clipboard()->text();
+            if (!clipboardText.isEmpty()) {
+                emit inputGenerated(clipboardText);
+            }
+            return;
+        }
+        default:
+            break;
+        }
+    }
+
+    switch (event->key()) {
+    case Qt::Key_Return:
+    case Qt::Key_Enter:
+        emit inputGenerated(QStringLiteral("\n"));
+        return;
+    case Qt::Key_Backspace:
+        emit inputGenerated(QStringLiteral("\x7f"));
+        return;
+    case Qt::Key_Tab:
+        emit inputGenerated(QStringLiteral("\t"));
+        return;
+    case Qt::Key_Left:
+        emit inputGenerated(QStringLiteral("\x1b[D"));
+        return;
+    case Qt::Key_Right:
+        emit inputGenerated(QStringLiteral("\x1b[C"));
+        return;
+    case Qt::Key_Up:
+        emit inputGenerated(QStringLiteral("\x1b[A"));
+        return;
+    case Qt::Key_Down:
+        emit inputGenerated(QStringLiteral("\x1b[B"));
+        return;
+    default:
+        break;
+    }
+
+    const QString text = event->text();
+    if (!text.isEmpty()) {
+        emit inputGenerated(text);
+        return;
+    }
+
+    QPlainTextEdit::keyPressEvent(event);
+}