ConversationsListWidget emits a signal to request a conversation to be

opened.

widgets/conversationitemwidget.cpp

@@ -17,6 +17,8 @@ ConversationItemWidget::~ConversationItemWidget()
 
 void ConversationItemWidget::setConversation(const Conversation &conv, const UsersList &list)
 {
+    mCurrentConversation = conv;
+
     ui->nameLabel->setText(ConversationsListHelper::getConversationDisplayName(conv, list));
     QFont font = ui->nameLabel->font();
     font.setBold(!conv.sawLastMessage());
@@ -28,4 +30,28 @@ void ConversationItemWidget::setConversation(const Conversation &conv, const Use
         ui->numberMembersLabel->setText(tr("%1 members").arg(conv.members().size()));
 
     ui->lastActivityLabel->setText(TimeUtils::TimeDiffToString(conv.lastActive()));
+
+    //Conversation not active by default
+    setActive(false);
+}
+
+void ConversationItemWidget::mousePressEvent(QMouseEvent *)
+{
+    emit openConversation();
+}
+
+Conversation ConversationItemWidget::currentConversation() const
+{
+    return mCurrentConversation;
+}
+
+void ConversationItemWidget::setActive(bool active)
+{
+    QString styleContainer = active ? "background: black; color: white" : "";
+    setStyleSheet(styleContainer);
+
+    QString styleLabels = "padding-left: 5px;";
+    ui->numberMembersLabel->setStyleSheet(styleLabels);
+    ui->lastActivityLabel->setStyleSheet(styleLabels);
+
 }

widgets/conversationitemwidget.h

@@ -10,11 +10,12 @@
 
 #include <QWidget>
 
+#include "../data/conversation.h"
+
 namespace Ui {
 class ConversationItemWidget;
 }
 
-class Conversation;
 class User;
 class UsersList;
 
@@ -24,7 +25,7 @@ class ConversationItemWidget : public QWidget
 
 public:
     explicit ConversationItemWidget(QWidget *parent = nullptr);
-    ~ConversationItemWidget();
+    ~ConversationItemWidget() override;
 
     /**
      * Apply a conversation to the widget
@@ -34,8 +35,35 @@ public:
      */
     void setConversation(const Conversation &conv, const UsersList &list);
 
+    /**
+     * Get the current conversation represented by this widget
+     *
+     * @return The current conversation of this widget
+     */
+    Conversation currentConversation() const;
+
+    /**
+     * Mark the current conversation as active or not
+     *
+     * @param active TRUE to mark the conversation as active /
+     *      FALSE else
+     */
+    void setActive(bool active);
+
+protected:
+
+    void mousePressEvent(QMouseEvent *) override;
+
+signals:
+
+    /**
+     * Request the conversation represented by this widget to be opened
+     */
+    void openConversation();
+
 private:
     Ui::ConversationItemWidget *ui;
+    Conversation mCurrentConversation;
 };
 
 #endif // CONVERSATIONITEMWIDGET_H

widgets/conversationitemwidget.ui

@@ -32,13 +32,13 @@
    <item>
     <layout class="QHBoxLayout" name="horizontalLayout">
      <property name="spacing">
-      <number>8</number>
+      <number>0</number>
      </property>
      <property name="sizeConstraint">
       <enum>QLayout::SetMinimumSize</enum>
      </property>
      <item>
-      <widget class="QLabel" name="label_2">
+      <widget class="QLabel" name="membersIconLabel">
        <property name="sizePolicy">
         <sizepolicy hsizetype="Preferred" vsizetype="Preferred">
          <horstretch>0</horstretch>
@@ -60,6 +60,9 @@
        <property name="scaledContents">
         <bool>true</bool>
        </property>
+       <property name="margin">
+        <number>0</number>
+       </property>
       </widget>
      </item>
      <item>
@@ -78,6 +81,9 @@
        <property name="text">
         <string>TextLabel</string>
        </property>
+       <property name="margin">
+        <number>0</number>
+       </property>
       </widget>
      </item>
     </layout>
@@ -85,10 +91,10 @@
    <item>
     <layout class="QHBoxLayout" name="horizontalLayout_2">
      <property name="spacing">
-      <number>8</number>
+      <number>0</number>
      </property>
      <item>
-      <widget class="QLabel" name="label_3">
+      <widget class="QLabel" name="lastUpdateLabel">
        <property name="maximumSize">
         <size>
          <width>15</width>

widgets/conversationslistwidget.cpp

@@ -66,6 +66,29 @@ void ConversationsListWidget::onGotUsersInfo(bool success, const UsersList &user
     for(Conversation conv : mCurrList){
         ConversationItemWidget *item = new ConversationItemWidget;
         item->setConversation(conv, users);
+        connect(item, &ConversationItemWidget::openConversation, this, &ConversationsListWidget::onRequestOpenConversation);
         layout()->addWidget(item);
     }
 }
+
+void ConversationsListWidget::onRequestOpenConversation()
+{
+    Conversation conversation = qobject_cast<ConversationItemWidget *>(sender())->currentConversation();
+
+    //Notify ourselves
+    setCurrentConversation(conversation);
+
+    //Notify everybody
+    emit openConversation(conversation, mCurrList.getMembersInformation());
+}
+
+void ConversationsListWidget::setCurrentConversation(const Conversation &currentConversation)
+{
+    mCurrentConversation = currentConversation;
+
+    //Update UI
+    for(int i = 0; i < layout()->count(); i++){
+        ConversationItemWidget *widget = qobject_cast<ConversationItemWidget *>(layout()->itemAt(i)->widget());
+        widget->setActive(widget->currentConversation().iD() == currentConversation.iD());
+    }
+}

widgets/conversationslistwidget.h

@@ -23,6 +23,23 @@ public:
      */
     void refresh();
 
+    /**
+     * This method is used to update the currently active conversation
+     *
+     * @param currentConversation The current conversation
+     */
+    void setCurrentConversation(const Conversation &currentConversation);
+
+signals:
+
+    /**
+     * Signal emitted when a conversation is requested to be opened
+     *
+     * @param conversation The conversation to open
+     * @param list Information about potential required users
+     */
+    void openConversation(Conversation conversation, UsersList list);
+
 private slots:
 
     /**
@@ -41,12 +58,20 @@ private slots:
      */
     void onGotUsersInfo(bool success, const UsersList &users);
 
+    /**
+     * Triggered when a conversation item request a conversation to opened
+     */
+    void onRequestOpenConversation();
+
 private:
     ConversationsListHelper *mConversationsList;
     UsersHelper *mUsersHelper;
 
-    //Current conversation in cache
+    //Current conversations list in cache
     ConversationsList mCurrList;
+
+    //Current opened conversation
+    Conversation mCurrentConversation;
 };
 
 #endif // CONVERSATIONSLISTWIDGET_H