Receive typing notifications (#88)

1 files changed, 56 insertions, 0 deletions

diff --git a/src/TypingDisplay.cc b/src/TypingDisplay.cc
new file mode 100644
index 00000000..619b70cb
--- /dev/null
+++ b/src/TypingDisplay.cc
@@ -0,0 +1,56 @@
+#include <QDebug>
+#include <QPainter>
+#include <QPoint>
+
+#include "Config.h"
+#include "TypingDisplay.h"
+
+TypingDisplay::TypingDisplay(QWidget *parent)
+  : QWidget(parent)
+  , leftPadding_{ 57 }
+{
+        QFont font;
+        font.setPixelSize(conf::typingNotificationFontSize);
+
+        setFixedHeight(QFontMetrics(font).height() + 2);
+}
+
+void
+TypingDisplay::setUsers(const QStringList &uid)
+{
+        if (uid.isEmpty())
+                text_.clear();
+        else
+                text_ = uid.join(", ");
+
+        if (uid.size() == 1)
+                text_ += tr(" is typing ...");
+        else if (uid.size() > 1)
+                text_ += tr(" are typing ...");
+
+        update();
+}
+
+void
+TypingDisplay::paintEvent(QPaintEvent *)
+{
+        QPen pen(QColor("#333"));
+
+        QFont font;
+        font.setPixelSize(conf::typingNotificationFontSize);
+        font.setWeight(40);
+        font.setItalic(true);
+
+        QPainter p(this);
+        p.setRenderHint(QPainter::Antialiasing);
+        p.setFont(font);
+        p.setPen(pen);
+
+        QRect region = rect();
+        region.translate(leftPadding_, 0);
+
+        QFontMetrics fm(font);
+        text_ = fm.elidedText(text_, Qt::ElideRight, width() - 3 * leftPadding_);
+
+        p.drawText(region, Qt::AlignTop, text_);
+}