Add Lua function clear() to clear console from Lua

Source/PluginEditor.cpp

@@ -27,6 +27,10 @@ OscirenderAudioProcessorEditor::OscirenderAudioProcessorEditor(OscirenderAudioPr
 		console.print(message);
 	};
 
+    LuaParser::onClear = [this]() {
+        console.clear();
+    };
+
     if (!usingNativeMenuBar) {
         menuBar.setModel(&menuBarModel);
         addAndMakeVisible(menuBar);

Source/components/LuaConsole.cpp

@@ -12,7 +12,7 @@ LuaConsole::LuaConsole() {
 	startTimerHz(10);
 
 	clearConsoleButton.onClick = [this] {
-        clear();
+        clear(true);
     };
 
 	addAndMakeVisible(console);
@@ -42,18 +42,20 @@ void LuaConsole::print(const std::string& text) {
 	}
 }
 
-void LuaConsole::clear() {
+void LuaConsole::clear(bool forceClear) {
 	juce::SpinLock::ScopedLockType l(lock);
 
-	document.replaceAllContent("");
-	document.clearUndoHistory();
-	consoleLines = 0;
-	buffer.clear();
+	if (forceClear || !pauseConsoleButton.getToggleState()) {
+		document.replaceAllContent("");
+		document.clearUndoHistory();
+		consoleLines = 0;
+		buffer.clear();
 
-	juce::MessageManager::callAsync([this] {
-        console.setVisible(false);
-        emptyConsoleLabel.setVisible(true);
-    });
+		juce::MessageManager::callAsync([this] {
+			console.setVisible(false);
+			emptyConsoleLabel.setVisible(true);
+		});
+	}
 }
 
 void LuaConsole::timerCallback() {

Source/components/LuaConsole.h

@@ -11,7 +11,7 @@ public:
     ~LuaConsole();
 
     void print(const std::string& text);
-	void clear();
+	void clear(bool forceClear = false);
     void timerCallback() override;
     void setConsoleOpen(bool open);
     bool getConsoleOpen() { return consoleOpen; }

Source/lua/LuaParser.cpp

@@ -2,8 +2,9 @@
 #include "luaimport.h"
 
 std::function<void(const std::string&)> LuaParser::onPrint;
+std::function<void()> LuaParser::onClear;
 
-static int customPrint(lua_State* L) {
+static int luaPrint(lua_State* L) {
     int nargs = lua_gettop(L);
 
     for (int i = 1; i <= nargs; ++i) {
@@ -14,14 +15,20 @@ static int customPrint(lua_State* L) {
     return 0;
 }
 
-static const struct luaL_Reg printlib[] = {
-  {"print", customPrint},
+static int luaClear(lua_State* L) {
+    LuaParser::onClear();
+    return 0;
+}
+
+static const struct luaL_Reg luaLib[] = {
+  {"print", luaPrint},
+  {"clear", luaClear},
   {NULL, NULL} /* end of array */
 };
 
 extern int luaopen_customprintlib(lua_State* L) {
     lua_getglobal(L, "_G");
-    luaL_setfuncs(L, printlib, 0);
+    luaL_setfuncs(L, luaLib, 0);
     lua_pop(L, 1);
     return 0;
 }

Source/lua/LuaParser.h

@@ -70,6 +70,7 @@ public:
 	void close(lua_State*& L);
 
 	static std::function<void(const std::string&)> onPrint;
+	static std::function<void()> onClear;
 
 private:
 	void reset(lua_State*& L, juce::String script);