Add scene trigger tab (#110)

src/headers/scene-trigger.hpp

@@ -0,0 +1,68 @@
+#pragma once
+
+#include "switch-generic.hpp"
+
+enum class sceneTriggerType {
+	NONE = 0,
+	SCENE_ACTIVE = 1,
+	SCENE_INACTIVE = 2,
+	SCENE_LEAVE = 3,
+};
+
+enum class sceneTriggerAction {
+	NONE = 0,
+	START_RECORDING,
+	PAUSE_RECORDING,
+	UNPAUSE_RECORDING,
+	STOP_RECORDING,
+
+	START_STREAMING,
+	STOP_STREAMING,
+
+	START_REPLAY_BUFFER,
+	STOP_REPLAY_BUFFER,
+
+	MUTE_SOURCE,
+};
+
+struct SceneTrigger : SceneSwitcherEntry {
+	static bool pause;
+	sceneTriggerType triggerType = sceneTriggerType::NONE;
+	sceneTriggerAction triggerAction = sceneTriggerAction::NONE;
+	double duration = 0;
+	OBSWeakSource audioSource = nullptr;
+
+	const char *getType() { return "trigger"; }
+	void save(obs_data_t *obj);
+	void load(obs_data_t *obj);
+
+	bool checkMatch(OBSWeakSource previousScene);
+	void performAction();
+	void logMatch();
+};
+
+class SceneTriggerWidget : public SwitchWidget {
+	Q_OBJECT
+
+public:
+	SceneTriggerWidget(QWidget *parent, SceneTrigger *s);
+	SceneTrigger *getSwitchData();
+	void setSwitchData(SceneTrigger *s);
+
+	static void swapSwitchData(SceneTriggerWidget *s1,
+				   SceneTriggerWidget *s2);
+
+private slots:
+	void TriggerTypeChanged(int index);
+	void TriggerActionChanged(int index);
+	void DurationChanged(double dur);
+	void AudioSourceChanged(const QString &text);
+
+private:
+	QComboBox *triggers;
+	QComboBox *actions;
+	QDoubleSpinBox *duration;
+	QComboBox *audioSources;
+
+	SceneTrigger *switchData;
+};