First working prototype of history requesting, dates in messages, some screen scrolling handling

ui/CMakeLists.txt

@@ -8,6 +8,10 @@ set(CMAKE_AUTOUIC ON)
 
 # Find the QtWidgets library
 find_package(Qt5Widgets CONFIG REQUIRED)
+find_package(Qt5Qml CONFIG REQUIRED)
+find_package(Qt5QuickCompiler)
+find_package(Qt5Quick CONFIG REQUIRED)
+find_package(Qt5QuickWidgets CONFIG REQUIRED)
 
 set(squawkUI_SRC
   squawk.cpp
@@ -28,6 +32,9 @@ add_library(squawkUI ${squawkUI_SRC})
 
 # Use the Widgets module from Qt 5.
 target_link_libraries(squawkUI Qt5::Widgets)
+target_link_libraries(squawkUI Qt5::Quick)
+target_link_libraries(squawkUI Qt5::Qml)
+target_link_libraries(squawkUI Qt5::QuickWidgets)
 
 # Install the executable
 install(TARGETS squawkUI DESTINATION lib)

ui/conversation.cpp

@@ -20,6 +20,7 @@
 #include "ui_conversation.h"
 #include <QDebug>
 #include <QScrollBar>
+#include <QTimer>
 
 Conversation::Conversation(Models::Contact* p_contact, QWidget* parent):
     QWidget(parent),
@@ -30,7 +31,9 @@ Conversation::Conversation(Models::Contact* p_contact, QWidget* parent):
     activePalResource(),
     thread(),
     scroll(down),
-    manualSliderChange(false)
+    manualSliderChange(false),
+    requestingHistory(false),
+    everShown(false)
 {
     m_ui->setupUi(this);
     m_ui->splitter->setSizes({300, 0});
@@ -116,6 +119,7 @@ void Conversation::addMessage(const Shared::Message& data)
 {
     int pos = m_ui->scrollArea->verticalScrollBar()->sliderPosition();
     int max = m_ui->scrollArea->verticalScrollBar()->maximum();
+    
     MessageLine::Position place = line->message(data);
     if (place == MessageLine::invalid) {
         return;
@@ -183,6 +187,7 @@ void Conversation::onEnterPressed()
         msg.setBody(body);
         msg.setOutgoing(true);
         msg.generateRandomId();
+        msg.setCurrentTime();
         addMessage(msg);
         emit sendMessage(msg);
     }
@@ -195,6 +200,18 @@ void Conversation::onMessagesResize(int amount)
         case down:
             m_ui->scrollArea->verticalScrollBar()->setValue(m_ui->scrollArea->verticalScrollBar()->maximum());
             break;
+        case keep: {
+            int max = m_ui->scrollArea->verticalScrollBar()->maximum();
+            int value = m_ui->scrollArea->verticalScrollBar()->value() + amount;
+            m_ui->scrollArea->verticalScrollBar()->setValue(value);
+            
+            if (value == max) {
+                scroll = down;
+            } else {
+                scroll = nothing;
+            }
+        }
+            break;
         default:
             break;
     }
@@ -207,7 +224,35 @@ void Conversation::onSliderValueChanged(int value)
         if (value == m_ui->scrollArea->verticalScrollBar()->maximum()) {
             scroll = down;
         } else {
+            if (!requestingHistory && value == 0) {
+                m_ui->historyStatus->setPixmap(QIcon::fromTheme("view-refresh").pixmap(25));
+                requestingHistory = true;
+                emit requestArchive(line->firstMessageId());
+            }
             scroll = nothing;
         }
     }
 }
+
+void Conversation::responseArchive(const std::list<Shared::Message> list)
+{
+    requestingHistory = false;
+    scroll = keep;
+    
+    m_ui->historyStatus->clear();
+    for (std::list<Shared::Message>::const_iterator itr = list.begin(), end = list.end(); itr != end; ++itr) {
+        addMessage(*itr);
+    }
+}
+
+void Conversation::showEvent(QShowEvent* event)
+{
+    if (!everShown) {
+        everShown = true;
+        m_ui->historyStatus->setPixmap(QIcon::fromTheme("view-refresh").pixmap(25));
+        requestingHistory = true;
+        emit requestArchive(line->firstMessageId());
+    }
+    
+    QWidget::showEvent(event);
+}

ui/conversation.h

@@ -56,9 +56,12 @@ public:
     void addMessage(const Shared::Message& data);
     
     void setPalResource(const QString& res);
+    void responseArchive(const std::list<Shared::Message> list);
+    void showEvent(QShowEvent * event) override;
     
 signals:
     void sendMessage(const Shared::Message& message);
+    void requestArchive(const QString& before);
     
 protected:
     void setState(Shared::Availability state);
@@ -85,6 +88,8 @@ private:
     QString thread;
     Scroll scroll;
     bool manualSliderChange;
+    bool requestingHistory;
+    bool everShown;
 };
 
 #endif // CONVERSATION_H

ui/conversation.ui

@@ -105,6 +105,13 @@
            </property>
           </spacer>
          </item>
+         <item>
+          <widget class="QLabel" name="historyStatus">
+           <property name="text">
+            <string/>
+           </property>
+          </widget>
+         </item>
          <item>
           <widget class="QLabel" name="avatar">
            <property name="text">
@@ -134,7 +141,7 @@
             <x>0</x>
             <y>0</y>
             <width>572</width>
-            <height>162</height>
+            <height>95</height>
            </rect>
           </property>
           <layout class="QHBoxLayout" name="horizontalLayout_2">

ui/messageline.cpp

@@ -76,6 +76,12 @@ MessageLine::Position MessageLine::message(const Shared::Message& msg)
     
     QLabel* body = new QLabel(msg.getBody());
     QLabel* sender = new QLabel();
+    QLabel* time = new QLabel(msg.getTime().toLocalTime().toString());
+    QFont dFont = time->font();
+    dFont.setItalic(true);
+    dFont.setPointSize(dFont.pointSize() - 2);
+    time->setFont(dFont);
+    time->setForegroundRole(QPalette::ToolTipText);
     QFont f;
     f.setBold(true);
     sender->setFont(f);
@@ -84,10 +90,12 @@ MessageLine::Position MessageLine::message(const Shared::Message& msg)
     
     vBox->addWidget(sender);
     vBox->addWidget(body);
+    vBox->addWidget(time);
     
     if (msg.getOutgoing()) {
-        body->setAlignment(Qt::AlignRight);
+        //body->setAlignment(Qt::AlignRight);
         sender->setAlignment(Qt::AlignRight);
+        time->setAlignment(Qt::AlignRight);
         sender->setText(myName);
         hBox->addStretch();
         hBox->addWidget(message);
@@ -132,3 +140,13 @@ void MessageLine::resizeEvent(QResizeEvent* event)
     QWidget::resizeEvent(event);
     emit resize(event->size().height() - event->oldSize().height());
 }
+
+
+QString MessageLine::firstMessageId() const
+{
+    if (messageOrder.size() == 0) {
+        return "";
+    } else {
+        return messageOrder.begin()->second->getId();
+    }
+}

ui/messageline.h

@@ -25,6 +25,7 @@
 #include <QLabel>
 #include <QResizeEvent>
 #include "../global.h"
+#include <QtQuickWidgets/QQuickWidget>
 
 class MessageLine : public QWidget
 {
@@ -42,6 +43,9 @@ public:
     Position message(const Shared::Message& msg);
     void setMyName(const QString& name);
     void setPalName(const QString& jid, const QString& name);
+    QString firstMessageId() const;
+    void showBusyIndicator();
+    void hideBusyIndicator();
     
 signals:
     void resize(int amount);
@@ -67,6 +71,7 @@ private:
     QString myName;
     std::map<QString, QString> palNames;
     std::deque<QHBoxLayout*> views;
+    QQuickWidget busy;
 };
 
 #endif // MESSAGELINE_H

ui/squawk.cpp

@@ -189,6 +189,7 @@ void Squawk::onRosterItemDoubleClicked(const QModelIndex& item)
                 conv->setAttribute(Qt::WA_DeleteOnClose);
                 connect(conv, SIGNAL(destroyed(QObject*)), this, SLOT(onConversationClosed(QObject*)));
                 connect(conv, SIGNAL(sendMessage(const Shared::Message&)), this, SLOT(onConversationMessage(const Shared::Message&)));
+                connect(conv, SIGNAL(requestArchive(const QString&)), this, SLOT(onConversationRequestArchive(const QString&)));
                 
                 conversations.insert(std::make_pair(id, conv));
                 rosterModel.dropMessages(account, jid);
@@ -198,7 +199,6 @@ void Squawk::onRosterItemDoubleClicked(const QModelIndex& item)
                 if (res.size() > 0) {
                     itr->second->setPalResource(res);
                 }
-                requestArchive(account, jid);
             }
         }
     }
@@ -234,3 +234,19 @@ void Squawk::onConversationMessage(const Shared::Message& msg)
     
     emit sendMessage(conv->getAccount(), msg);
 }
+
+void Squawk::onConversationRequestArchive(const QString& before)
+{
+    Conversation* conv = static_cast<Conversation*>(sender());
+    requestArchive(conv->getAccount(), conv->getJid(), 20, before); //TODO amount as a settings value
+}
+
+void Squawk::responseArchive(const QString& account, const QString& jid, const std::list<Shared::Message>& list)
+{
+    Models::Roster::ElId id(account, jid);
+    
+    Conversations::const_iterator itr = conversations.find(id);
+    if (itr != conversations.end()) {
+        itr->second->responseArchive(list);
+    }
+}

ui/squawk.h

@@ -6,6 +6,7 @@
 #include <QCloseEvent>
 #include <deque>
 #include <map>
+#include <list>
 
 #include "accounts.h"
 #include "conversation.h"
@@ -31,7 +32,7 @@ signals:
     void disconnectAccount(const QString&);
     void changeState(int state);
     void sendMessage(const QString& account, const Shared::Message& data);
-    void requestArchive(const QString& account, const QString& jid);
+    void requestArchive(const QString& account, const QString& jid, int count, const QString& before);
     
 public slots:
     void newAccount(const QMap<QString, QVariant>& account);
@@ -47,6 +48,7 @@ public slots:
     void removePresence(const QString& account, const QString& jid, const QString& name);
     void stateChanged(int state);
     void accountMessage(const QString& account, const Shared::Message& data);
+    void responseArchive(const QString& account, const QString& jid, const std::list<Shared::Message>& list);
     
 private:
     typedef std::map<Models::Roster::ElId, Conversation*> Conversations;
@@ -66,6 +68,7 @@ private slots:
     void onComboboxActivated(int index);
     void onRosterItemDoubleClicked(const QModelIndex& item);
     void onConversationMessage(const Shared::Message& msg);
+    void onConversationRequestArchive(const QString& before);
     
 };