add no match delay option (#78)

forms/advanced-scene-switcher.ui

@@ -289,13 +289,23 @@
                      </sizepolicy>
                     </property>
                     <property name="text">
-                     <string>If no switch condition is met</string>
+                     <string>If no switch condition is met for</string>
                     </property>
                     <property name="alignment">
                      <set>Qt::AlignLeading|Qt::AlignLeft|Qt::AlignVCenter</set>
                     </property>
                    </widget>
                   </item>
+                  <item>
+                   <widget class="QDoubleSpinBox" name="noMatchDelay">
+                    <property name="suffix">
+                     <string>s</string>
+                    </property>
+                    <property name="maximum">
+                     <double>999999.989999999990687</double>
+                    </property>
+                   </widget>
+                  </item>
                  </layout>
                 </item>
                </layout>

src/advanced-scene-switcher.cpp

@@ -415,15 +415,7 @@ void SwitcherData::Thread()
 			}
 		}
 
-		if (!match && switchIfNotMatching == SWITCH &&
-		    nonMatchingScene) {
-			match = true;
-			scene = nonMatchingScene;
-			transition = nullptr;
-		}
-		if (!match && switchIfNotMatching == RANDOM_SWITCH) {
-			checkRandom(match, scene, transition, sleep);
-		}
+		checkNoMatchSwitch(match, scene, transition, sleep);
 
 		// After this point we will call frontend functions
 		// obs_frontend_set_current_scene() and

src/general.cpp

@@ -56,6 +56,14 @@ void AdvSceneSwitcher::on_noMatchRandomSwitch_clicked()
 	ui->randomDisabledWarning->setVisible(false);
 }
 
+void AdvSceneSwitcher::on_noMatchDelay_valueChanged(double i)
+{
+	if (loading)
+		return;
+	std::lock_guard<std::mutex> lock(switcher->m);
+	switcher->noMatchDelay = i;
+}
+
 void AdvSceneSwitcher::on_startupBehavior_currentIndexChanged(int index)
 {
 	if (loading)
@@ -450,6 +458,7 @@ void SwitcherData::saveGeneralSettings(obs_data_t *obj)
 			    nonMatchingSceneName.c_str());
 	obs_data_set_int(obj, "switch_if_not_matching",
 			 switcher->switchIfNotMatching);
+	obs_data_set_double(obj, "noMatchDelay", switcher->noMatchDelay);
 
 	obs_data_set_bool(obj, "active", !switcher->stop);
 	obs_data_set_int(obj, "startup_behavior", switcher->startupBehavior);
@@ -526,6 +535,7 @@ void SwitcherData::loadGeneralSettings(obs_data_t *obj)
 		obs_data_get_string(obj, "non_matching_scene");
 	switcher->nonMatchingScene =
 		GetWeakSourceByName(nonMatchingScene.c_str());
+	switcher->noMatchDelay = obs_data_get_double(obj, "noMatchDelay");
 
 	switcher->stop = !obs_data_get_bool(obj, "active");
 	switcher->startupBehavior =
@@ -636,6 +646,29 @@ void SwitcherData::loadGeneralSettings(obs_data_t *obj)
 		(int)(obs_data_get_int(obj, "audioTabPos")));
 }
 
+void SwitcherData::checkNoMatchSwitch(bool &match, OBSWeakSource &scene,
+				      OBSWeakSource &transition, int &sleep)
+{
+	if (match) {
+		noMatchCount = 0;
+		return;
+	}
+
+	if ((noMatchCount * interval) / 1000.0 < noMatchDelay) {
+		noMatchCount++;
+		return;
+	}
+
+	if (switchIfNotMatching == SWITCH && nonMatchingScene) {
+		match = true;
+		scene = nonMatchingScene;
+		transition = nullptr;
+	}
+	if (switchIfNotMatching == RANDOM_SWITCH) {
+		checkRandom(match, scene, transition, sleep);
+	}
+}
+
 void AdvSceneSwitcher::setupGeneralTab()
 {
 	populateSceneSelection(ui->noMatchSwitchScene, false);
@@ -654,6 +687,9 @@ void AdvSceneSwitcher::setupGeneralTab()
 	}
 	ui->noMatchSwitchScene->setCurrentText(
 		GetWeakSourceName(switcher->nonMatchingScene).c_str());
+	ui->noMatchDelay->setValue(switcher->noMatchDelay);
+	ui->noMatchDelay->setToolTip(
+		"Will only ever be as accurate as the configured check interval.");
 	ui->checkInterval->setValue(switcher->interval);
 
 	ui->autoStopSceneCheckBox->setChecked(switcher->autoStopEnable);

src/headers/advanced-scene-switcher.hpp

@@ -86,6 +86,7 @@ public slots:
 	void on_noMatchDontSwitch_clicked();
 	void on_noMatchSwitch_clicked();
 	void on_noMatchRandomSwitch_clicked();
+	void on_noMatchDelay_valueChanged(double i);
 	void on_startupBehavior_currentIndexChanged(int index);
 	void on_noMatchSwitchScene_currentTextChanged(const QString &text);
 	void on_checkInterval_valueChanged(int value);

src/headers/switcher-data-structs.hpp

@@ -63,6 +63,8 @@ struct SwitcherData {
 	OBSWeakSource lastRandomScene;
 	OBSWeakSource nonMatchingScene;
 	NoMatch switchIfNotMatching = NO_SWITCH;
+	double noMatchDelay;
+	double noMatchCount = 0;
 	StartupBehavior startupBehavior = PERSIST;
 
 	std::deque<WindowSwitch> windowSwitches;
@@ -183,6 +185,8 @@ struct SwitcherData {
 			     OBSWeakSource &transition);
 	void checkAudioSwitch(bool &match, OBSWeakSource &scene,
 			      OBSWeakSource &transition);
+	void checkNoMatchSwitch(bool &match, OBSWeakSource &scene,
+				OBSWeakSource &transition, int &sleep);
 
 	void saveWindowTitleSwitches(obs_data_t *obj);
 	void saveScreenRegionSwitches(obs_data_t *obj);