Support voice calls

src/dialogs/PlaceCall.cpp

@@ -0,0 +1,60 @@
+#include <QLabel>
+#include <QPushButton>
+#include <QString>
+#include <QVBoxLayout>
+
+#include "Config.h"
+#include "dialogs/PlaceCall.h"
+
+namespace dialogs {
+
+PlaceCall::PlaceCall(const QString &callee, const QString &displayName, QWidget *parent)
+  : QWidget(parent)
+{
+        setAutoFillBackground(true);
+        setWindowFlags(Qt::Tool | Qt::WindowStaysOnTopHint);
+        setWindowModality(Qt::WindowModal);
+        setAttribute(Qt::WA_DeleteOnClose, true);
+
+        auto layout = new QVBoxLayout(this);
+        layout->setSpacing(conf::modals::WIDGET_SPACING);
+        layout->setMargin(conf::modals::WIDGET_MARGIN);
+
+        auto buttonLayout = new QHBoxLayout();
+        buttonLayout->setSpacing(15);
+        buttonLayout->setMargin(0);
+
+        voiceBtn_ = new QPushButton(tr("Voice Call"), this);
+        voiceBtn_->setDefault(true);
+        videoBtn_  = new QPushButton(tr("Video Call"), this);
+        cancelBtn_ = new QPushButton(tr("Cancel"), this);
+
+        buttonLayout->addStretch(1);
+        buttonLayout->addWidget(voiceBtn_);
+        buttonLayout->addWidget(videoBtn_);
+        buttonLayout->addWidget(cancelBtn_);
+
+        QLabel *label;
+        if (!displayName.isEmpty() && displayName != callee)
+                label = new QLabel("Place a call to " + displayName + " (" + callee + ")?", this);
+        else
+                label = new QLabel("Place a call to " + callee + "?", this);
+
+        layout->addWidget(label);
+        layout->addLayout(buttonLayout);
+
+        connect(voiceBtn_, &QPushButton::clicked, this, [this]() {
+                emit voice();
+                emit close();
+        });
+        connect(videoBtn_, &QPushButton::clicked, this, [this]() {
+                emit video();
+                emit close();
+        });
+        connect(cancelBtn_, &QPushButton::clicked, this, [this]() {
+                emit cancel();
+                emit close();
+        });
+}
+
+}