From 7901a988af847d2bcdb7edc1c3f9883cbcdff19b Mon Sep 17 00:00:00 2001
From: WarmUpTill <19472752+WarmUpTill@users.noreply.github.com>
Date: Wed, 3 Sep 2025 19:31:03 +0200
Subject: [PATCH] Add option to enable or disable OBS preview

---
 data/locale/en-US.ini                      |  3 +
 plugins/base/macro-action-obs-settings.cpp | 71 +++++++++++++++++-----
 plugins/base/macro-action-obs-settings.hpp |  3 +
 3 files changed, 62 insertions(+), 15 deletions(-)

diff --git a/data/locale/en-US.ini b/data/locale/en-US.ini
index 3fd1c5ba..7d21a33c 100644
--- a/data/locale/en-US.ini
+++ b/data/locale/en-US.ini
@@ -1326,6 +1326,9 @@ AdvSceneSwitcher.action.obsSetting.action.setBaseCanvasX="Set base resolution X
 AdvSceneSwitcher.action.obsSetting.action.setBaseCanvasY="Set base resolution Y value"
 AdvSceneSwitcher.action.obsSetting.action.setOutputCanvasX="Set output resolution X value"
 AdvSceneSwitcher.action.obsSetting.action.setOutputCanvasY="Set output resolution Y value"
+AdvSceneSwitcher.action.obsSetting.action.enablePreview="Enable preview"
+AdvSceneSwitcher.action.obsSetting.action.disablePreview="Disable preview"
+AdvSceneSwitcher.action.obsSetting.action.togglePreview="Toggle preview enable"
 AdvSceneSwitcher.action.obsSetting.getCurrentValue="Get current value"
 AdvSceneSwitcher.action.obsSettings.layout="{{actions}}{{fpsType}}{{fpsIntValue}}{{fpsStringValue}}{{canvasSizeValue}}{{getCurrentValue}}"
 AdvSceneSwitcher.action.script="Script"
diff --git a/plugins/base/macro-action-obs-settings.cpp b/plugins/base/macro-action-obs-settings.cpp
index 52636234..293e0eb7 100644
--- a/plugins/base/macro-action-obs-settings.cpp
+++ b/plugins/base/macro-action-obs-settings.cpp
@@ -34,6 +34,12 @@ const static std::map<MacroActionOBSSettings::Action, std::string> actionTypes =
 	 "AdvSceneSwitcher.action.obsSetting.action.setOutputCanvasX"},
 	{MacroActionOBSSettings::Action::OUTPUT_Y_VALUE,
 	 "AdvSceneSwitcher.action.obsSetting.action.setOutputCanvasY"},
+	{MacroActionOBSSettings::Action::ENABLE_PREVIEW,
+	 "AdvSceneSwitcher.action.obsSetting.action.enablePreview"},
+	{MacroActionOBSSettings::Action::DISABLE_PREVIEW,
+	 "AdvSceneSwitcher.action.obsSetting.action.disablePreview"},
+	{MacroActionOBSSettings::Action::TOGGLE_PREVIEW,
+	 "AdvSceneSwitcher.action.obsSetting.action.togglePreview"},
 };
 
 template<typename Func, typename... Args>
@@ -62,6 +68,17 @@ static auto getConfigValueHelper(Func func, Func defaultFunc, Args... args)
 	return std::optional<Ret>{};
 }
 
+static void setPreviewEnabled(bool enabled)
+{
+	static const auto enable = [](void *) {
+		obs_frontend_set_preview_enabled(true);
+	};
+	static const auto disable = [](void *) {
+		obs_frontend_set_preview_enabled(false);
+	};
+	obs_queue_task(OBS_TASK_UI, enabled ? enable : disable, nullptr, false);
+}
+
 bool MacroActionOBSSettings::PerformAction()
 {
 	switch (_action) {
@@ -110,6 +127,15 @@ bool MacroActionOBSSettings::PerformAction()
 				     static_cast<int>(_canvasSizeValue));
 		obs_frontend_reset_video();
 		break;
+	case Action::ENABLE_PREVIEW:
+		setPreviewEnabled(true);
+		break;
+	case Action::DISABLE_PREVIEW:
+		setPreviewEnabled(false);
+		break;
+	case Action::TOGGLE_PREVIEW:
+		setPreviewEnabled(!obs_frontend_preview_enabled());
+		break;
 	default:
 		break;
 	}
@@ -347,18 +373,6 @@ void MacroActionOBSSettingsEdit::SetWidgetVisibility()
 		return;
 	}
 
-	const bool isFPSSelection =
-		_entryData->_action ==
-			MacroActionOBSSettings::Action::FPS_TYPE ||
-		_entryData->_action ==
-			MacroActionOBSSettings::Action::FPS_COMMON_VALUE ||
-		_entryData->_action ==
-			MacroActionOBSSettings::Action::FPS_INT_VALUE ||
-		_entryData->_action ==
-			MacroActionOBSSettings::Action::FPS_DEN_VALUE ||
-		_entryData->_action ==
-			MacroActionOBSSettings::Action::FPS_NUM_VALUE;
-
 	_fpsType->setVisible(_entryData->_action ==
 			     MacroActionOBSSettings::Action::FPS_TYPE);
 	_fpsIntValue->setVisible(
@@ -371,9 +385,36 @@ void MacroActionOBSSettingsEdit::SetWidgetVisibility()
 	_fpsStringValue->setVisible(
 		_entryData->_action ==
 		MacroActionOBSSettings::Action::FPS_COMMON_VALUE);
-	_canvasSizeValue->setVisible(!isFPSSelection);
-	_getCurrentValue->setVisible(_entryData->_action !=
-				     MacroActionOBSSettings::Action::FPS_TYPE);
+
+	const bool needsSizeSelection =
+		_entryData->_action ==
+			MacroActionOBSSettings::Action::BASE_CANVAS_X_VALUE ||
+		_entryData->_action ==
+			MacroActionOBSSettings::Action::BASE_CANVAS_Y_VALUE ||
+		_entryData->_action ==
+			MacroActionOBSSettings::Action::OUTPUT_X_VALUE ||
+		_entryData->_action ==
+			MacroActionOBSSettings::Action::OUTPUT_Y_VALUE;
+	_canvasSizeValue->setVisible(needsSizeSelection);
+
+	const bool canGetSettingsValue =
+		_entryData->_action ==
+			MacroActionOBSSettings::Action::FPS_COMMON_VALUE ||
+		_entryData->_action ==
+			MacroActionOBSSettings::Action::FPS_INT_VALUE ||
+		_entryData->_action ==
+			MacroActionOBSSettings::Action::FPS_NUM_VALUE ||
+		_entryData->_action ==
+			MacroActionOBSSettings::Action::FPS_DEN_VALUE ||
+		_entryData->_action ==
+			MacroActionOBSSettings::Action::BASE_CANVAS_X_VALUE ||
+		_entryData->_action ==
+			MacroActionOBSSettings::Action::BASE_CANVAS_Y_VALUE ||
+		_entryData->_action ==
+			MacroActionOBSSettings::Action::OUTPUT_X_VALUE ||
+		_entryData->_action ==
+			MacroActionOBSSettings::Action::OUTPUT_Y_VALUE;
+	_getCurrentValue->setVisible(canGetSettingsValue);
 }
 
 void MacroActionOBSSettingsEdit::ActionChanged(int idx)
diff --git a/plugins/base/macro-action-obs-settings.hpp b/plugins/base/macro-action-obs-settings.hpp
index 81f3da0e..0aa2aaa7 100644
--- a/plugins/base/macro-action-obs-settings.hpp
+++ b/plugins/base/macro-action-obs-settings.hpp
@@ -31,6 +31,9 @@ public:
 		BASE_CANVAS_Y_VALUE,
 		OUTPUT_X_VALUE,
 		OUTPUT_Y_VALUE,
+		ENABLE_PREVIEW,
+		DISABLE_PREVIEW,
+		TOGGLE_PREVIEW,
 	};
 	Action _action = Action::FPS_COMMON_VALUE;
 	enum class FPSType {