diff --git a/src/dialogs/ImageOverlayDialog.cc b/src/dialogs/ImageOverlayDialog.cc
new file mode 100644
index 00000000..ad87d144
--- /dev/null
+++ b/src/dialogs/ImageOverlayDialog.cc
@@ -0,0 +1,129 @@
+/*
+ * nheko Copyright (C) 2017 Konstantinos Sideris <siderisk@auth.gr>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <QApplication>
+#include <QDesktopWidget>
+#include <QPainter>
+
+#include "dialogs/ImageOverlayDialog.h"
+
+ImageOverlayDialog::ImageOverlayDialog(QPixmap image, QWidget *parent)
+ : QWidget{parent}
+ , originalImage_{image}
+{
+ setMouseTracking(true);
+ setParent(0);
+
+ setWindowFlags(windowFlags() | Qt::FramelessWindowHint);
+
+ setAttribute(Qt::WA_NoSystemBackground, true);
+ setAttribute(Qt::WA_TranslucentBackground, true);
+ setAttribute(Qt::WA_DeleteOnClose, true);
+ setWindowState(Qt::WindowFullScreen);
+
+ screen_ = QApplication::desktop()->availableGeometry();
+
+ move(QApplication::desktop()->mapToGlobal(screen_.topLeft()));
+ resize(screen_.size());
+
+ connect(this, SIGNAL(closing()), this, SLOT(close()));
+
+ raise();
+}
+
+// TODO: Move this into Utils
+void
+ImageOverlayDialog::scaleImage(int max_width, int max_height)
+{
+ if (originalImage_.isNull())
+ return;
+
+ auto width_ratio = (double)max_width / (double)originalImage_.width();
+ auto height_ratio = (double)max_height / (double)originalImage_.height();
+
+ auto min_aspect_ratio = std::min(width_ratio, height_ratio);
+
+ int final_width = 0;
+ int final_height = 0;
+
+ if (min_aspect_ratio > 1) {
+ final_width = originalImage_.width();
+ final_height = originalImage_.height();
+ } else {
+ final_width = originalImage_.width() * min_aspect_ratio;
+ final_height = originalImage_.height() * min_aspect_ratio;
+ }
+
+ image_ = originalImage_.scaled(
+ final_width, final_height, Qt::IgnoreAspectRatio, Qt::SmoothTransformation);
+}
+
+void
+ImageOverlayDialog::paintEvent(QPaintEvent *event)
+{
+ Q_UNUSED(event);
+
+ QPainter painter(this);
+ painter.setRenderHint(QPainter::Antialiasing);
+
+ // Full screen overlay.
+ painter.fillRect(QRect(0, 0, screen_.width(), screen_.height()), QColor(55, 55, 55, 170));
+
+ // Left and Right margins
+ int outer_margin = screen_.width() * 0.12;
+ int buttonSize = 36;
+ int margin = outer_margin * 0.1;
+
+ int max_width = screen_.width() - 2 * outer_margin;
+ int max_height = screen_.height();
+
+ scaleImage(max_width, max_height);
+
+ int diff_x = max_width - image_.width();
+ int diff_y = max_height - image_.height();
+
+ content_ = QRect(outer_margin + diff_x / 2, diff_y / 2, image_.width(), image_.height());
+ close_button_ =
+ QRect(screen_.width() - margin - buttonSize, margin, buttonSize, buttonSize);
+
+ // Draw main content_.
+ painter.drawPixmap(content_, image_);
+
+ // Draw top right corner X.
+ QPen pen;
+ pen.setCapStyle(Qt::RoundCap);
+ pen.setWidthF(5);
+ pen.setColor("gray");
+
+ auto center = close_button_.center();
+
+ painter.setPen(pen);
+ painter.drawLine(center - QPointF(15, 15), center + QPointF(15, 15));
+ painter.drawLine(center + QPointF(15, -15), center - QPointF(15, -15));
+}
+
+void
+ImageOverlayDialog::mousePressEvent(QMouseEvent *event)
+{
+ if (event->button() != Qt::LeftButton)
+ return;
+
+ if (close_button_.contains(event->pos()))
+ emit closing();
+ else if (!content_.contains(event->pos()))
+ emit closing();
+}
diff --git a/src/dialogs/JoinRoomDialog.cc b/src/dialogs/JoinRoomDialog.cc
new file mode 100644
index 00000000..2cee7ef6
--- /dev/null
+++ b/src/dialogs/JoinRoomDialog.cc
@@ -0,0 +1,49 @@
+#include <QLabel>
+#include <QVBoxLayout>
+
+#include "Config.h"
+#include "FlatButton.h"
+#include "Theme.h"
+
+#include "dialogs/JoinRoomDialog.h"
+
+JoinRoomDialog::JoinRoomDialog(QWidget *parent)
+ : QFrame(parent)
+{
+ setMaximumSize(400, 400);
+
+ auto layout = new QVBoxLayout(this);
+ layout->setSpacing(30);
+ layout->setMargin(20);
+
+ auto buttonLayout = new QHBoxLayout();
+ buttonLayout->setSpacing(0);
+ buttonLayout->setMargin(0);
+
+ confirmBtn_ = new FlatButton("JOIN", this);
+ confirmBtn_->setFontSize(conf::btn::fontSize);
+
+ cancelBtn_ = new FlatButton(tr("CANCEL"), this);
+ cancelBtn_->setFontSize(conf::btn::fontSize);
+
+ buttonLayout->addStretch(1);
+ buttonLayout->addWidget(confirmBtn_);
+ buttonLayout->addWidget(cancelBtn_);
+
+ QFont font;
+ font.setPixelSize(conf::headerFontSize);
+
+ auto label = new QLabel(tr("Room alias to join:"), this);
+ label->setFont(font);
+
+ roomAliasEdit_ = new QLineEdit(this);
+
+ layout->addWidget(label);
+ layout->addWidget(roomAliasEdit_);
+ layout->addLayout(buttonLayout);
+
+ connect(confirmBtn_, &QPushButton::clicked, [=]() {
+ emit closing(true, roomAliasEdit_->text());
+ });
+ connect(cancelBtn_, &QPushButton::clicked, [=]() { emit closing(false, nullptr); });
+}
diff --git a/src/dialogs/LeaveRoomDialog.cc b/src/dialogs/LeaveRoomDialog.cc
new file mode 100644
index 00000000..b0d1679f
--- /dev/null
+++ b/src/dialogs/LeaveRoomDialog.cc
@@ -0,0 +1,54 @@
+#include <QLabel>
+#include <QStyleOption>
+#include <QVBoxLayout>
+
+#include "Config.h"
+#include "FlatButton.h"
+#include "Theme.h"
+
+#include "dialogs/LeaveRoomDialog.h"
+
+LeaveRoomDialog::LeaveRoomDialog(QWidget *parent)
+ : QFrame(parent)
+{
+ setMaximumSize(400, 400);
+
+ auto layout = new QVBoxLayout(this);
+ layout->setSpacing(30);
+ layout->setMargin(20);
+
+ auto buttonLayout = new QHBoxLayout();
+ buttonLayout->setSpacing(0);
+ buttonLayout->setMargin(0);
+
+ confirmBtn_ = new FlatButton("LEAVE", this);
+ confirmBtn_->setFontSize(conf::btn::fontSize);
+
+ cancelBtn_ = new FlatButton(tr("CANCEL"), this);
+ cancelBtn_->setFontSize(conf::btn::fontSize);
+
+ buttonLayout->addStretch(1);
+ buttonLayout->addWidget(confirmBtn_);
+ buttonLayout->addWidget(cancelBtn_);
+
+ QFont font;
+ font.setPixelSize(conf::headerFontSize);
+
+ auto label = new QLabel(tr("Are you sure you want to leave?"), this);
+ label->setFont(font);
+
+ layout->addWidget(label);
+ layout->addLayout(buttonLayout);
+
+ connect(confirmBtn_, &QPushButton::clicked, [=]() { emit closing(true); });
+ connect(cancelBtn_, &QPushButton::clicked, [=]() { emit closing(false); });
+}
+
+void
+LeaveRoomDialog::paintEvent(QPaintEvent *)
+{
+ QStyleOption opt;
+ opt.init(this);
+ QPainter p(this);
+ style()->drawPrimitive(QStyle::PE_Widget, &opt, &p, this);
+}
diff --git a/src/dialogs/LogoutDialog.cc b/src/dialogs/LogoutDialog.cc
new file mode 100644
index 00000000..73e09745
--- /dev/null
+++ b/src/dialogs/LogoutDialog.cc
@@ -0,0 +1,72 @@
+/*
+ * nheko Copyright (C) 2017 Konstantinos Sideris <siderisk@auth.gr>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <QLabel>
+#include <QPaintEvent>
+#include <QStyleOption>
+#include <QVBoxLayout>
+
+#include "Config.h"
+#include "FlatButton.h"
+#include "Theme.h"
+
+#include "dialogs/LogoutDialog.h"
+
+LogoutDialog::LogoutDialog(QWidget *parent)
+ : QFrame(parent)
+{
+ setMaximumSize(400, 400);
+
+ auto layout = new QVBoxLayout(this);
+ layout->setSpacing(30);
+ layout->setMargin(20);
+
+ auto buttonLayout = new QHBoxLayout();
+ buttonLayout->setSpacing(0);
+ buttonLayout->setMargin(0);
+
+ confirmBtn_ = new FlatButton("OK", this);
+ confirmBtn_->setFontSize(conf::btn::fontSize);
+
+ cancelBtn_ = new FlatButton(tr("CANCEL"), this);
+ cancelBtn_->setFontSize(conf::btn::fontSize);
+
+ buttonLayout->addStretch(1);
+ buttonLayout->addWidget(confirmBtn_);
+ buttonLayout->addWidget(cancelBtn_);
+
+ QFont font;
+ font.setPixelSize(conf::headerFontSize);
+
+ auto label = new QLabel(tr("Logout. Are you sure?"), this);
+ label->setFont(font);
+
+ layout->addWidget(label);
+ layout->addLayout(buttonLayout);
+
+ connect(confirmBtn_, &QPushButton::clicked, [=]() { emit closing(true); });
+ connect(cancelBtn_, &QPushButton::clicked, [=]() { emit closing(false); });
+}
+
+void
+LogoutDialog::paintEvent(QPaintEvent *)
+{
+ QStyleOption opt;
+ opt.init(this);
+ QPainter p(this);
+ style()->drawPrimitive(QStyle::PE_Widget, &opt, &p, this);
+}
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