Add screenshot condition

plugins/base/macro-condition-screenshot.cpp

@@ -0,0 +1,94 @@
+#include "macro-condition-screenshot.hpp"
+#include "layout-helpers.hpp"
+
+#include <obs-frontend-api.h>
+#include <thread>
+
+#if LIBOBS_API_VER >= MAKE_SEMANTIC_VERSION(29, 0, 0)
+
+namespace advss {
+
+const std::string MacroConditionScreenshot::id = "screenshot";
+
+bool MacroConditionScreenshot::_registered = MacroConditionFactory::Register(
+	MacroConditionScreenshot::id,
+	{MacroConditionScreenshot::Create, MacroConditionScreenshotEdit::Create,
+	 "AdvSceneSwitcher.condition.screenshot"});
+
+static std::chrono::high_resolution_clock::time_point screenshotTakenTime{};
+static bool setupScreenshotTakenEventHandler();
+static bool setupDone = setupScreenshotTakenEventHandler();
+
+static bool setupScreenshotTakenEventHandler()
+{
+	static auto handleScreenshotEvent = [](enum obs_frontend_event event,
+					       void *) {
+		switch (event) {
+		case OBS_FRONTEND_EVENT_SCREENSHOT_TAKEN:
+			screenshotTakenTime =
+				std::chrono::high_resolution_clock::now();
+			break;
+		default:
+			break;
+		};
+	};
+	obs_frontend_add_event_callback(handleScreenshotEvent, nullptr);
+	return true;
+}
+
+bool MacroConditionScreenshot::CheckCondition()
+{
+	if (!_screenshotTimeInitialized) {
+		_screenshotTime = screenshotTakenTime;
+		_screenshotTimeInitialized = true;
+		return false;
+	}
+
+	auto lastScreenshotPath = obs_frontend_get_last_screenshot();
+	SetTempVarValue("lastScreenshotPath", lastScreenshotPath);
+	bfree(lastScreenshotPath);
+
+	bool newSaveOccurred = _screenshotTime != screenshotTakenTime;
+	_screenshotTime = screenshotTakenTime;
+	return newSaveOccurred;
+}
+
+bool MacroConditionScreenshot::Save(obs_data_t *obj) const
+{
+	MacroCondition::Save(obj);
+	return true;
+}
+
+bool MacroConditionScreenshot::Load(obs_data_t *obj)
+{
+	MacroCondition::Load(obj);
+	return true;
+}
+
+void MacroConditionScreenshot::SetupTempVars()
+{
+	MacroCondition::SetupTempVars();
+	AddTempvar(
+		"lastScreenshotPath",
+		obs_module_text(
+			"AdvSceneSwitcher.tempVar.screenshot.lastScreenshotPath"),
+		obs_module_text(
+			"AdvSceneSwitcher.tempVar.screenshot.lastScreenshotPath.description"));
+}
+
+MacroConditionScreenshotEdit::MacroConditionScreenshotEdit(
+	QWidget *parent, std::shared_ptr<MacroConditionScreenshot> entryData)
+	: QWidget(parent)
+{
+	auto layout = new QHBoxLayout;
+	PlaceWidgets(
+		obs_module_text("AdvSceneSwitcher.condition.screenshot.entry"),
+		layout, {});
+	setLayout(layout);
+
+	_entryData = entryData;
+}
+
+} // namespace advss
+
+#endif