feat: create text particles in a stream

CMakeLists.txt

@@ -36,6 +36,8 @@ qt_add_executable(llink
         src/networkstreammodel.cpp
         src/particlelistmodel.h
         src/particlelistmodel.cpp
+        src/textinputdialog.h
+        src/textinputdialog.cpp
 )
 
 qt_add_resources(llink

src/MainWindow.cpp

@@ -6,23 +6,28 @@
 #include "authdialog.h"
 #include "authmanager.h"
 #include "settingsdialog.h"
+#include "textinputdialog.h"
 #include "ui_mainwindow.h"
 #include <QApplication>
 #include <QHeaderView>
 #include <QItemSelectionModel>
 #include <QLabel>
 #include <QMenu>
+#include <QKeyEvent>
 #include <QMouseEvent>
 #include <QRandomGenerator>
+#include <QToolButton>
 #include <QSystemTrayIcon>
 #include <QTimer>
 
 MainWindow::MainWindow(QWidget *parent)
     : QMainWindow(parent), m_trayIcon(nullptr), m_authManager(new AuthManager(this)), m_settingsDialog(nullptr),
       m_authDialog(nullptr), m_store(nullptr), m_networkStreamModel(nullptr), m_particleListModel(nullptr),
-      m_selectedParticleRow(-1), m_isDragging(false)
+      m_selectedParticleRow(-1), m_isDragging(false), m_textInputDialog(nullptr)
 {
   m_authDialog = new AuthDialog(this);
+  m_textInputDialog = new TextInputDialog(this);
+  connect(m_textInputDialog, &TextInputDialog::textSubmitted, this, &MainWindow::onTextMessageSubmitted);
 
   ui = new Ui::MainWindow;
   ui->setupUi(this);
@@ -102,6 +107,9 @@ MainWindow::MainWindow(QWidget *parent)
     ui->topLevelParticlesView->expandAll();
   });
 
+  // DocumentSend toolbar button opens text input dialog
+  connect(ui->toolButton_3, &QToolButton::clicked, this, &MainWindow::showTextInputDialog);
+
   m_authManager->tryRestoreSession();
 
   setupTrayIcon();
@@ -181,6 +189,9 @@ void MainWindow::setupModels()
   connect(ui->particlesView->selectionModel(), &QItemSelectionModel::selectionChanged, this,
           &MainWindow::onParticleSelectionChanged);
 
+  // Install event filter to capture key presses from child views
+  ui->topLevelParticlesView->installEventFilter(this);
+  ui->particlesView->installEventFilter(this);
 }
 
 void MainWindow::onTreeSelectionChanged(const QItemSelection &selected, const QItemSelection &deselected)
@@ -376,6 +387,38 @@ void MainWindow::updatePingIndicator()
   m_pingLabel->setText("connected " + QString::number(currentPing) + "ms");
 }
 
+void MainWindow::showTextInputDialog()
+{
+  if (m_selectedStreamId.isEmpty())
+    return;
+
+  m_textInputDialog->show();
+  m_textInputDialog->raise();
+  m_textInputDialog->activateWindow();
+}
+
+bool MainWindow::eventFilter(QObject *obj, QEvent *event)
+{
+  if (event->type() == QEvent::KeyPress)
+  {
+    auto *keyEvent = static_cast<QKeyEvent *>(event);
+    if (keyEvent->key() == Qt::Key_T && keyEvent->modifiers() == Qt::NoModifier && !m_selectedStreamId.isEmpty())
+    {
+      showTextInputDialog();
+      return true;
+    }
+  }
+  return QMainWindow::eventFilter(obj, event);
+}
+
+void MainWindow::onTextMessageSubmitted(const QString &text)
+{
+  if (m_selectedStreamId.isEmpty())
+    return;
+
+  m_store->createParticle(m_selectedStreamId, "text", {{"content", text}});
+}
+
 void MainWindow::mousePressEvent(QMouseEvent *event)
 {
   if (event->button() == Qt::LeftButton)

src/MainWindow.h

@@ -19,6 +19,7 @@ QT_END_NAMESPACE
 
 class AuthDialog;
 class SettingsDialog;
+class TextInputDialog;
 
 namespace Ui
 {
@@ -41,8 +42,10 @@ private slots:
 
   void onTreeSelectionChanged(const QItemSelection &selected, const QItemSelection &deselected);
   void onParticleSelectionChanged(const QItemSelection &selected, const QItemSelection &deselected);
+  void onTextMessageSubmitted(const QString &text);
 
 protected:
+  bool eventFilter(QObject *obj, QEvent *event) override;
   void mousePressEvent(QMouseEvent *event) override;
   void mouseMoveEvent(QMouseEvent *event) override;
   void mouseReleaseEvent(QMouseEvent *event) override;
@@ -58,12 +61,14 @@ private:
   AuthDialog *m_authDialog;
 
   SettingsDialog *m_settingsDialog;
+  TextInputDialog *m_textInputDialog;
 
   // Data and models
   Store *m_store;
   NetworkStreamModel *m_networkStreamModel;
   ParticleListModel *m_particleListModel;
 
+  void showTextInputDialog();
   void updateStatusBar();
   void updatePingIndicator();
   QString m_selectedParticleId;

src/mainwindow.ui

@@ -247,7 +247,7 @@
               <number>1</number>
              </property>
              <property name="text">
-              <string>asdfasdf</string>
+              <string></string>
              </property>
              <property name="scaledContents">
               <bool>true</bool>
@@ -282,7 +282,7 @@
               </font>
              </property>
              <property name="text">
-              <string>mike@inra.com</string>
+              <string></string>
              </property>
              <property name="alignment">
               <set>Qt::AlignmentFlag::AlignCenter</set>
@@ -292,7 +292,7 @@
            <item>
             <widget class="QLabel" name="label_3">
              <property name="text">
-              <string>acked by: arthur, ed, sam</string>
+              <string></string>
              </property>
              <property name="alignment">
               <set>Qt::AlignmentFlag::AlignCenter</set>

src/textinputdialog.cpp

@@ -0,0 +1,28 @@
+#include "textinputdialog.h"
+#include <QLineEdit>
+#include <QPushButton>
+#include <QVBoxLayout>
+
+TextInputDialog::TextInputDialog(QWidget *parent)
+    : QDialog(parent), m_lineEdit(new QLineEdit(this)), m_sendButton(new QPushButton("Send", this))
+{
+  setWindowTitle("Send Text Message");
+
+  auto *layout = new QVBoxLayout(this);
+  layout->addWidget(m_lineEdit);
+  layout->addWidget(m_sendButton);
+
+  connect(m_lineEdit, &QLineEdit::returnPressed, this, &TextInputDialog::onSubmit);
+  connect(m_sendButton, &QPushButton::clicked, this, &TextInputDialog::onSubmit);
+}
+
+void TextInputDialog::onSubmit()
+{
+  QString text = m_lineEdit->text().trimmed();
+  if (text.isEmpty())
+    return;
+
+  emit textSubmitted(text);
+  m_lineEdit->clear();
+  hide();
+}

src/textinputdialog.h

@@ -0,0 +1,29 @@
+#ifndef TEXTINPUTDIALOG_H
+#define TEXTINPUTDIALOG_H
+
+#include <QDialog>
+
+QT_BEGIN_NAMESPACE
+class QLineEdit;
+class QPushButton;
+QT_END_NAMESPACE
+
+class TextInputDialog : public QDialog
+{
+  Q_OBJECT
+
+public:
+  explicit TextInputDialog(QWidget *parent = nullptr);
+
+signals:
+  void textSubmitted(const QString &text);
+
+private slots:
+  void onSubmit();
+
+private:
+  QLineEdit *m_lineEdit;
+  QPushButton *m_sendButton;
+};
+
+#endif // TEXTINPUTDIALOG_H