Support voice calls

src/dialogs/AcceptCall.cpp

@@ -0,0 +1,53 @@
+#include <QLabel>
+#include <QPushButton>
+#include <QVBoxLayout>
+
+#include "Config.h"
+#include "dialogs/AcceptCall.h"
+
+namespace dialogs {
+
+AcceptCall::AcceptCall(const QString &caller, 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);
+
+        acceptBtn_ = new QPushButton(tr("Accept"), this);
+        acceptBtn_->setDefault(true);
+        rejectBtn_ = new QPushButton(tr("Reject"), this);
+
+        buttonLayout->addStretch(1);
+        buttonLayout->addWidget(acceptBtn_);
+        buttonLayout->addWidget(rejectBtn_);
+
+        QLabel *label;
+        if (!displayName.isEmpty() && displayName != caller)
+                label = new QLabel("Accept call from " + displayName + " (" + caller + ")?", this);
+        else
+                label = new QLabel("Accept call from " + caller + "?", this);
+
+        layout->addWidget(label);
+        layout->addLayout(buttonLayout);
+
+        connect(acceptBtn_, &QPushButton::clicked, this, [this]() {
+                emit accept();
+                emit close();
+        });
+        connect(rejectBtn_, &QPushButton::clicked, this, [this]() {
+                emit reject();
+                emit close();
+        });
+}
+
+}