From 3f50c821de14b8deab2374810bf974908e6681e8 Mon Sep 17 00:00:00 2001
From: Mikko Rasa <tdb@tdb.fi>
Date: Wed, 19 Mar 2014 18:46:42 +0200
Subject: [PATCH] Display the current time in the main window

---
 data/mainwindow.ui             |  5 +++++
 source/engineer/mainwindow.cpp | 14 ++++++++++++++
 source/engineer/mainwindow.h   |  2 ++
 source/libr2c2/clock.cpp       |  6 ++++++
 source/libr2c2/clock.h         |  4 ++++
 source/libr2c2/layout.h        |  2 +-
 6 files changed, 32 insertions(+), 1 deletion(-)

diff --git a/data/mainwindow.ui b/data/mainwindow.ui
index e796913..30971f5 100644
--- a/data/mainwindow.ui
+++ b/data/mainwindow.ui
@@ -78,4 +78,9 @@ column
 	{
 		style "digital";
 	};
+
+	label "lbl_clock"
+	{
+		style "digital";
+	};
 };
diff --git a/source/engineer/mainwindow.cpp b/source/engineer/mainwindow.cpp
index 5fdda1d..22c65d1 100644
--- a/source/engineer/mainwindow.cpp
+++ b/source/engineer/mainwindow.cpp
@@ -1,4 +1,6 @@
 #include <msp/gltk/button.h>
+#include <msp/strings/format.h>
+#include "libr2c2/clock.h"
 #include "libr2c2/driver.h"
 #include "engineer.h"
 #include "mainwindow.h"
@@ -17,6 +19,7 @@ MainWindow::MainWindow(Engineer &e):
 	ind_off = dynamic_cast<GLtk::Indicator *>(get_item(widgets, "ind_off"));
 	ind_halt = dynamic_cast<GLtk::Indicator *>(get_item(widgets, "ind_halt"));
 	lbl_status = dynamic_cast<GLtk::Label *>(get_item(widgets, "lbl_status"));
+	lbl_clock = dynamic_cast<GLtk::Label *>(get_item(widgets, "lbl_clock"));
 
 	dynamic_cast<GLtk::Button *>(get_item(widgets, "btn_on"))->signal_clicked.connect(sigc::mem_fun(this, &MainWindow::on_clicked));
 	dynamic_cast<GLtk::Button *>(get_item(widgets, "btn_off"))->signal_clicked.connect(sigc::mem_fun(this, &MainWindow::off_clicked));
@@ -32,6 +35,8 @@ MainWindow::MainWindow(Engineer &e):
 
 	driver.signal_power.connect(sigc::mem_fun(this, &MainWindow::power_event));
 	driver.signal_halt.connect(sigc::mem_fun(this, &MainWindow::halt_event));
+
+	engineer.get_layout().get_clock().signal_minute.connect(sigc::mem_fun(this, &MainWindow::clock_minute));
 }
 
 void MainWindow::set_status_text(const string &txt)
@@ -76,3 +81,12 @@ void MainWindow::halt_event(bool h)
 {
 	ind_halt->set_active(h);
 }
+
+void MainWindow::clock_minute()
+{
+	const Time::TimeDelta &time = engineer.get_layout().get_clock().get_current_time();
+	unsigned minute = time/Time::min;
+	unsigned hour = minute/60;
+	minute %= 60;
+	lbl_clock->set_text(format("%02d:%02d", hour, minute));
+}
diff --git a/source/engineer/mainwindow.h b/source/engineer/mainwindow.h
index fcdb803..ec20795 100644
--- a/source/engineer/mainwindow.h
+++ b/source/engineer/mainwindow.h
@@ -16,6 +16,7 @@ private:
 	Msp::GLtk::Indicator *ind_off;
 	Msp::GLtk::Indicator *ind_halt;
 	Msp::GLtk::Label *lbl_status;
+	Msp::GLtk::Label *lbl_clock;
 
 public:
 	MainWindow(Engineer &);
@@ -29,6 +30,7 @@ private:
 	void quit_clicked();
 	void power_event(bool);
 	void halt_event(bool);
+	void clock_minute();
 };
 
 #endif
diff --git a/source/libr2c2/clock.cpp b/source/libr2c2/clock.cpp
index 5f87c44..890b2b2 100644
--- a/source/libr2c2/clock.cpp
+++ b/source/libr2c2/clock.cpp
@@ -15,7 +15,13 @@ void Clock::set_rate(float s)
 
 void Clock::tick(const Time::TimeDelta &dt)
 {
+	unsigned prev_minute = current_time/Time::min;
 	current_time += dt*rate;
+	if(current_time>=Time::day)
+		current_time -= Time::day;
+	unsigned minute = current_time/Time::min;
+	if(minute!=prev_minute)
+		signal_minute.emit();
 }
 
 } // namespace R2C2
diff --git a/source/libr2c2/clock.h b/source/libr2c2/clock.h
index 0fa5f59..1c00158 100644
--- a/source/libr2c2/clock.h
+++ b/source/libr2c2/clock.h
@@ -1,12 +1,16 @@
 #ifndef LIBR2C2_CLOCK_H_
 #define LIBR2C2_CLOCK_H_
 
+#include <sigc++/signal.h>
 #include <msp/time/timedelta.h>
 
 namespace R2C2 {
 
 class Clock
 {
+public:
+	sigc::signal<void> signal_minute;
+
 private:
 	Msp::Time::TimeDelta current_time;
 	float rate;
diff --git a/source/libr2c2/layout.h b/source/libr2c2/layout.h
index 498a45a..af06d4b 100644
--- a/source/libr2c2/layout.h
+++ b/source/libr2c2/layout.h
@@ -98,7 +98,7 @@ public:
 	Catalogue &get_catalogue() const { return catalogue; }
 	bool has_driver() const { return driver; }
 	Driver &get_driver() const;
-	const Clock &get_clock() const { return clock; }
+	Clock &get_clock() { return clock; }
 	const std::string &get_base() const { return base; }
 
 	void add(Object &);
-- 
2.43.0