Add Duration class and DurationSelection widget

CMakeLists.txt

@@ -63,8 +63,6 @@ set(advanced-scene-switcher_HEADERS
 	src/headers/advanced-scene-switcher.hpp
 	src/headers/switcher-data-structs.hpp
 	src/headers/utility.hpp
-	src/headers/curl-helper.hpp
-	src/headers/volume-control.hpp
 	src/headers/scene-group.hpp
 	src/headers/scene-trigger.hpp
 	src/headers/switch-audio.hpp
@@ -82,6 +80,9 @@ set(advanced-scene-switcher_HEADERS
 	src/headers/switch-sequence.hpp
 	src/headers/switch-video.hpp
 	src/headers/switch-generic.hpp
+	src/headers/curl-helper.hpp
+	src/headers/duration-control.hpp
+	src/headers/volume-control.hpp
 	src/headers/version.h
 	)
 
@@ -111,6 +112,7 @@ set(advanced-scene-switcher_SOURCES
 	src/switch-video.cpp
 	src/switch-generic.cpp
 	src/curl-helper.cpp
+	src/duration-control.cpp
 	src/volume-control.cpp
 	src/version.cpp
 	)

src/duration-control.cpp

@@ -0,0 +1,138 @@
+#include "headers/duration-control.hpp"
+#include "obs-module.h"
+
+#include <sstream>
+#include <iomanip>
+#include <QHBoxLayout>
+
+void Duration::Save(obs_data_t *obj, const char *secondsName,
+		    const char *unitName)
+{
+	obs_data_set_double(obj, secondsName, seconds);
+	obs_data_set_int(obj, unitName, static_cast<int>(displayUnit));
+}
+
+void Duration::Load(obs_data_t *obj, const char *secondsName,
+		    const char *unitName)
+{
+	seconds = obs_data_get_double(obj, secondsName);
+	displayUnit =
+		static_cast<DurationUnit>(obs_data_get_int(obj, unitName));
+}
+
+bool Duration::DurationReached()
+{
+	if (_startTime.time_since_epoch().count() == 0) {
+		_startTime = std::chrono::high_resolution_clock::now();
+	}
+
+	auto runTime = std::chrono::duration_cast<std::chrono::milliseconds>(
+		std::chrono::high_resolution_clock::now() - _startTime);
+	return runTime.count() >= seconds * 1000;
+}
+
+void Duration::Reset()
+{
+	_startTime = {};
+}
+
+int durationUnitToMultiplier(DurationUnit u)
+{
+	switch (u) {
+	case DurationUnit::SECONDS:
+		return 1;
+	case DurationUnit::MINUTES:
+		return 60;
+	case DurationUnit::HOURS:
+		return 3600;
+	default:
+		break;
+	}
+
+	return 0;
+}
+std::string durationUnitToString(DurationUnit u)
+{
+	switch (u) {
+	case DurationUnit::SECONDS:
+		return obs_module_text("AdvSceneSwitcher.unit.secends");
+	case DurationUnit::MINUTES:
+		return obs_module_text("AdvSceneSwitcher.unit.minutes");
+	case DurationUnit::HOURS:
+		return obs_module_text("AdvSceneSwitcher.unit.hours");
+	default:
+		break;
+	}
+
+	return "";
+}
+
+std::string Duration::ToString()
+{
+	std::ostringstream ss;
+	ss << std::fixed << std::setprecision(2)
+	   << seconds / durationUnitToMultiplier(displayUnit) << " "
+	   << durationUnitToString(displayUnit);
+	return ss.str();
+}
+
+static void populateUnits(QComboBox *list)
+{
+	list->addItem(obs_module_text("AdvSceneSwitcher.unit.secends"));
+	list->addItem(obs_module_text("AdvSceneSwitcher.unit.minutes"));
+	list->addItem(obs_module_text("AdvSceneSwitcher.unit.hours"));
+}
+
+DurationSelection::DurationSelection(QWidget *parent, bool showUnitSelection)
+	: QWidget(parent), _unitMultiplier(1)
+{
+	_duration = new QDoubleSpinBox(parent);
+	_duration->setMaximum(86400); // 24 hours
+
+	_unitSelection = new QComboBox();
+	populateUnits(_unitSelection);
+
+	QWidget::connect(_duration, SIGNAL(valueChanged(double)), this,
+			 SLOT(_DurationChanged(double)));
+	QWidget::connect(_unitSelection, SIGNAL(currentIndexChanged(int)), this,
+			 SLOT(_UnitChanged(int)));
+
+	QHBoxLayout *layout = new QHBoxLayout;
+	layout->addWidget(_duration);
+	if (showUnitSelection) {
+		layout->addWidget(_unitSelection);
+	}
+	setLayout(layout);
+}
+
+void DurationSelection::SetValue(double value)
+{
+	_duration->setValue(value / _unitMultiplier);
+}
+
+void DurationSelection::SetUnit(DurationUnit u)
+{
+	_unitSelection->setCurrentIndex(static_cast<int>(u));
+}
+
+void DurationSelection::SetDuration(Duration d)
+{
+	SetUnit(d.displayUnit);
+	SetValue(d.seconds);
+}
+
+void DurationSelection::_DurationChanged(double value)
+{
+	emit DurationChanged(value * _unitMultiplier);
+}
+
+void DurationSelection::_UnitChanged(int idx)
+{
+	DurationUnit unit = static_cast<DurationUnit>(idx);
+	double prevMultiplier = _unitMultiplier;
+	_unitMultiplier = durationUnitToMultiplier(unit);
+	_duration->setValue(_duration->value() *
+			    (prevMultiplier / _unitMultiplier));
+
+	emit UnitChanged(unit);
+}

src/headers/duration-control.hpp

@@ -0,0 +1,55 @@
+#pragma once
+#include <QWidget>
+#include <QDoubleSpinBox>
+#include <QComboBox>
+#include <chrono>
+
+#include "obs-data.h"
+
+enum class DurationUnit {
+	SECONDS,
+	MINUTES,
+	HOURS,
+};
+
+class Duration {
+public:
+	void Save(obs_data_t *obj, const char *secondsName = "seconds",
+		  const char *unitName = "displayUnit");
+	void Load(obs_data_t *obj, const char *secondsName = "seconds",
+		  const char *unitName = "displayUnit");
+
+	bool DurationReached();
+	void Reset();
+	std::string ToString();
+
+	double seconds = 0.;
+	// only used for UI
+	DurationUnit displayUnit = DurationUnit::SECONDS;
+
+private:
+	std::chrono::high_resolution_clock::time_point _startTime;
+};
+
+class DurationSelection : public QWidget {
+	Q_OBJECT
+public:
+	DurationSelection(QWidget *parent = nullptr,
+			  bool showUnitSelection = true);
+	void SetValue(double value);
+	void SetUnit(DurationUnit u);
+	void SetDuration(Duration d);
+
+private slots:
+	void _DurationChanged(double value);
+	void _UnitChanged(int idx);
+signals:
+	void DurationChanged(double value); // always reutrn value in seconds
+	void UnitChanged(DurationUnit u);
+
+private:
+	QDoubleSpinBox *_duration;
+	QComboBox *_unitSelection;
+
+	double _unitMultiplier;
+};