tools/chatgui: Qt5 GUI chat app stub with tray, channel list, message bubbles

tools/chatgui/src/messagelist.cpp

@@ -0,0 +1,179 @@
+#include "messagelist.h"
+#include "chatview.h"
+#include "messagedelegate.h"
+#include <QVBoxLayout>
+#include <QPainter>
+#include <QPixmap>
+
+static QPixmap makeAvatar(const QColor &color, const QString &letter, int size = 36) {
+    QPixmap pix(size, size);
+    pix.fill(Qt::transparent);
+    QPainter p(&pix);
+    p.setRenderHint(QPainter::Antialiasing);
+    p.setBrush(color);
+    p.setPen(Qt::NoPen);
+    p.drawEllipse(0, 0, size, size);
+    p.setPen(Qt::white);
+    QFont f = p.font();
+    f.setBold(true);
+    f.setPointSize(size / 3);
+    p.setFont(f);
+    p.drawText(QRect(0, 0, size, size), Qt::AlignCenter, letter);
+    p.end();
+    return pix;
+}
+
+static QVariant makeReaction(const QString &emoji, int count,
+                             const QList<QColor> &colors = {}) {
+    QVariantMap m;
+    m["emoji"] = emoji;
+    m["count"] = count;
+    if (!colors.isEmpty())
+        m["colors"] = QVariant::fromValue(colors);
+    return m;
+}
+
+MessageList::MessageList(QWidget *parent)
+    : QWidget(parent)
+    , m_view(new ChatView(this))
+    , m_model(new QStandardItemModel(this))
+{
+    auto *layout = new QVBoxLayout(this);
+    layout->setContentsMargins(0, 0, 0, 0);
+    layout->setSpacing(0);
+
+    m_view->setModel(m_model);
+    m_view->setItemDelegate(new MessageDelegate(this));
+    m_view->setEditTriggers(QAbstractItemView::NoEditTriggers);
+    m_view->setSelectionMode(QAbstractItemView::NoSelection);
+    m_view->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
+    m_view->setVerticalScrollMode(QAbstractItemView::ScrollPerPixel);
+    m_view->setFrameShape(QFrame::NoFrame);
+    m_view->setBackgroundImage("../resources/bg.jpg");
+    layout->addWidget(m_view);
+
+    populateStubData();
+}
+
+static void setMsg(QStandardItem *item,
+                   const QString &author, const QString &text, const QString &time,
+                   const QPixmap &avatar, bool edited,
+                   bool hasQuote, const QString &qAuthor, const QString &qText,
+                   const QVariantList &reactions) {
+    item->setData(author,  MsgAuthorRole);
+    item->setData(text,    MsgTextRole);
+    item->setData(time,    MsgTimeRole);
+    item->setData(edited,  MsgEditedRole);
+    item->setData(QVariant::fromValue(avatar), MsgAvatarRole);
+    item->setData(hasQuote, MsgHasQuoteRole);
+    if (hasQuote) {
+        item->setData(qAuthor, MsgQuoteAuthorRole);
+        item->setData(qText,   MsgQuoteTextRole);
+    }
+    if (!reactions.isEmpty())
+        item->setData(reactions, MsgReactionsRole);
+}
+
+void MessageList::populateStubData() {
+    QColor cAlice(74, 144, 226), cBob(126, 211, 33), cCarol(245, 166, 35);
+    QColor cDave(144, 19, 254), cEve(0, 184, 148);
+    auto avAlice = makeAvatar(cAlice, "A");
+    auto avBob   = makeAvatar(cBob,   "B");
+    auto avCarol = makeAvatar(cCarol, "C");
+    auto avDave  = makeAvatar(cDave,  "D");
+
+    auto *m0 = new QStandardItem();
+    setMsg(m0,
+        QString::fromUtf8("Alice"),
+        QString::fromUtf8("Hey team! How's the deployment going?"),
+        "10:15", avAlice, false,
+        false, QString(), QString(),
+        {});
+    m_model->appendRow(m0);
+
+    auto *m1 = new QStandardItem();
+    setMsg(m1,
+        QString::fromUtf8("Bob"),
+        QString::fromUtf8("All green on staging. Running the final integration tests now."),
+        "10:17", avBob, false,
+        false, QString(), QString(),
+        QVariantList{makeReaction(QString::fromUtf8("\xF0\x9F\x91\x8D"), 2,
+                                  {cAlice, cCarol})});
+    m_model->appendRow(m1);
+
+    auto *m2 = new QStandardItem();
+    setMsg(m2,
+        QString::fromUtf8("Carol"),
+        QString::fromUtf8("I've pushed the ETCP-42 fix to staging. BGP handshake should be stable now. Please review the patch when you get a chance."),
+        "10:22", avCarol, true,
+        false, QString(), QString(),
+        QVariantList{
+            makeReaction(QString::fromUtf8("\xF0\x9F\x91\x8D"), 3,
+                         {cAlice, cBob, cDave}),
+            makeReaction(QString::fromUtf8("\xE2\x9D\xA4\xEF\xB8\x8F"), 1,
+                         {cAlice})
+        });
+    m_model->appendRow(m2);
+
+    auto *m3 = new QStandardItem();
+    setMsg(m3,
+        QString::fromUtf8("Dave"),
+        QString::fromUtf8("Wait — the BGP session is still flapping after the handshake. I'm seeing the keepalive timer fire but no route updates come through. Logs attached."),
+        "10:25", avDave, false,
+        true,
+        QString::fromUtf8("Carol"),
+        QString::fromUtf8("BGP handshake should be stable now"),
+        QVariantList{
+            makeReaction(QString::fromUtf8("\xF0\x9F\x98\xAE"), 1,
+                         {cBob})
+        });
+    m_model->appendRow(m3);
+
+    auto *m4 = new QStandardItem();
+    setMsg(m4,
+        QString::fromUtf8("Alice"),
+        QString::fromUtf8("Reviewed the patch. LGTM. Let's merge and deploy to production tomorrow morning."),
+        "10:28", avAlice, false,
+        false, QString(), QString(),
+        QVariantList{
+            makeReaction(QString::fromUtf8("\xF0\x9F\x91\x8D"), 5),
+            makeReaction(QString::fromUtf8("\xF0\x9F\x8E\x89"), 2,
+                         {cBob, cEve})
+        });
+    m_model->appendRow(m4);
+
+    auto *m5 = new QStandardItem();
+    setMsg(m5,
+        QString::fromUtf8("Bob"),
+        QString::fromUtf8("Can you share the full logs for the BGP session? I'll dig into the keepalive timer logic."),
+        "10:30", avBob, false,
+        true,
+        QString::fromUtf8("Dave"),
+        QString::fromUtf8("keepalive timer fire but no route updates"),
+        {});
+    m_model->appendRow(m5);
+
+    auto *m6 = new QStandardItem();
+    setMsg(m6,
+        QString::fromUtf8("Carol"),
+        QString::fromUtf8("Sounds good. Let's coordinate in #dev-team. I'll prepare the release notes."),
+        "10:33", avCarol, false,
+        false, QString(), QString(),
+        {});
+    m_model->appendRow(m6);
+
+    auto *m7 = new QStandardItem();
+    setMsg(m7,
+        QString::fromUtf8("Alice"),
+        QString::fromUtf8("Deploy scheduled for tomorrow 10:00 UTC. All features are frozen — no more merges to main."),
+        "10:35", avAlice, false,
+        false, QString(), QString(),
+        QVariantList{
+            makeReaction(QString::fromUtf8("\xF0\x9F\x9A\x80"), 3,
+                         {cBob, cCarol, cDave}),
+            makeReaction(QString::fromUtf8("\xE2\x9D\xA4\xEF\xB8\x8F"), 7)
+        });
+    m_model->appendRow(m7);
+
+    m_view->scrollToBottom();
+}