From 9892f674393394ef97f5f9dad6a9e4e435f771ed Mon Sep 17 00:00:00 2001
From: Ralf Jung <post@ralfj.de>
Date: Sat, 13 Jul 2013 16:41:11 +0200
Subject: [PATCH] Add per-device output label

---
 qt/multypo.cpp | 29 ++++++++++++++++++++++-------
 qt/multypo.h   |  3 +++
 2 files changed, 25 insertions(+), 7 deletions(-)

diff --git a/qt/multypo.cpp b/qt/multypo.cpp
index 638114c..2584c0c 100644
--- a/qt/multypo.cpp
+++ b/qt/multypo.cpp
@@ -2,7 +2,7 @@
 
 #include <QX11Info>
 #include <QDebug>
-#include <QHBoxLayout>
+#include <QVBoxLayout>
 #include <QLabel>
 
 #include <X11/Xlib.h>
@@ -13,13 +13,18 @@ MultypoWindow::MultypoWindow(QWidget *parent) :
 	QWidget(parent),
 	xiInited(false)
 {
-	QHBoxLayout *layout = new QHBoxLayout(this);
-	setLayout(layout);
+	/* Prepare colors */
+	setStyleSheet("background-color: black; color: green");
 
-	mainLabel = new QLabel(this);
-	layout->addWidget(mainLabel);
+	/* Prepare conents */
+	setLayout(new QVBoxLayout(this));
 
-	setMinimumSize(300, 300);
+	mainLabel = new QLabel("Hit <Esc> to quit", this);
+	layout()->addWidget(mainLabel);
+
+	/* Fullscreen, no cursor */
+	setWindowState(Qt::WindowFullScreen);
+	setCursor(QCursor(Qt::BlankCursor));
 }
 
 MultypoWindow::~MultypoWindow()
@@ -29,7 +34,16 @@ MultypoWindow::~MultypoWindow()
 void MultypoWindow::handleKeyPress(int device, QString string)
 {
 	qDebug() << "Device" << device << "String" << string;
-	mainLabel->setText(QString("%1 pressed on %2").arg(string).arg(device));
+
+	if (string == "Escape")
+		close();
+
+	if (!players.contains(device)) {
+		QLabel *label = new QLabel(this);
+		layout()->addWidget(label);
+		players[device] = label;
+	}
+	players[device]->setText(players[device]->text() + string);
 }
 
 bool MultypoWindow::handleX11Event(XEvent *event)
@@ -70,6 +84,7 @@ bool MultypoWindow::handleX11Event(XEvent *event)
 			qDebug() << "Found master keyboard with ID" << devices[i].deviceid;
 			XISetFocus(dpy, devices[i].deviceid, winId(), CurrentTime);
 		}
+		XIFreeDeviceInfo(devices);
 
 		xiInited = true;
 
diff --git a/qt/multypo.h b/qt/multypo.h
index b9dbf3f..49b70b1 100644
--- a/qt/multypo.h
+++ b/qt/multypo.h
@@ -2,6 +2,7 @@
 #define MULTIKBD_H
 
 #include <QWidget>
+#include <QMap>
 
 class QLabel;
 
@@ -22,6 +23,8 @@ private:
 	bool xiInited;
 	int xiOpcode;
 	QLabel *mainLabel;
+
+	QMap<int, QLabel*> players;
 };
 
 #endif // MULTIKBD_H
-- 
2.30.2