Add arrows to change the currently open file

Resources/svg/left_arrow.svg

@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M15.41,16.58L10.83,12L15.41,7.41L14,6L8,12L14,18L15.41,16.58Z" /></svg>

Resources/svg/right_arrow.svg

@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M8.59,16.58L13.17,12L8.59,7.41L10,6L16,12L10,18L8.59,16.58Z" /></svg>

Source/MainComponent.cpp

@@ -48,9 +48,39 @@ MainComponent::MainComponent(OscirenderAudioProcessor& p, OscirenderAudioProcess
 	inputEnabled.onClick = [this] {
 		audioProcessor.inputEnabled->setBoolValueNotifyingHost(!audioProcessor.inputEnabled->getBoolValue());
 	};
+	inputEnabled.setTooltip("Enable to use input audio, instead of osci-render's generated audio.");
+	
 	addAndMakeVisible(fileLabel);
 	updateFileLabel();
 
+	addAndMakeVisible(leftArrow);
+	leftArrow.onClick = [this] {
+		juce::SpinLock::ScopedLockType parserLock(audioProcessor.parsersLock);
+		juce::SpinLock::ScopedLockType effectsLock(audioProcessor.effectsLock);
+
+		int index = audioProcessor.getCurrentFileIndex();
+
+		if (index > 0) {
+			audioProcessor.changeCurrentFile(index - 1);
+			pluginEditor.fileUpdated(audioProcessor.getCurrentFileName());
+		}
+	};
+	leftArrow.setTooltip("Change to previous file (k).");
+	
+	addAndMakeVisible(rightArrow);
+	rightArrow.onClick = [this] {
+		juce::SpinLock::ScopedLockType parserLock(audioProcessor.parsersLock);
+		juce::SpinLock::ScopedLockType effectsLock(audioProcessor.effectsLock);
+
+		int index = audioProcessor.getCurrentFileIndex();
+
+		if (index < audioProcessor.numFiles() - 1) {
+			audioProcessor.changeCurrentFile(index + 1);
+			pluginEditor.fileUpdated(audioProcessor.getCurrentFileName());
+		}
+	};
+	rightArrow.setTooltip("Change to next file (j).");
+
 	
 	addAndMakeVisible(fileName);
 	fileType.addItem(".lua", 1);
@@ -138,6 +168,9 @@ MainComponent::~MainComponent() {
 }
 
 void MainComponent::updateFileLabel() {
+	showLeftArrow = audioProcessor.getCurrentFileIndex() > 0;
+	showRightArrow = audioProcessor.getCurrentFileIndex() < audioProcessor.numFiles() - 1;
+	
 	if (audioProcessor.objectServerRendering) {
 		fileLabel.setText("Rendering from Blender", juce::dontSendNotification);
 	} else if (audioProcessor.getCurrentFileIndex() == -1) {
@@ -145,6 +178,8 @@ void MainComponent::updateFileLabel() {
 	} else {
 		fileLabel.setText(audioProcessor.getCurrentFileName(), juce::dontSendNotification);
 	}
+
+	resized();
 }
 
 void MainComponent::resized() {
@@ -169,6 +204,20 @@ void MainComponent::resized() {
 		closeFileButton.setBounds(juce::Rectangle<int>());
 	}
 	
+	if (showLeftArrow) {
+		leftArrow.setBounds(row.removeFromLeft(15));
+		row.removeFromLeft(rowPadding);
+	} else {
+		row.removeFromLeft(15 + rowPadding);
+		leftArrow.setBounds(0, 0, 0, 0);
+	}
+	if (showRightArrow) {
+		rightArrow.setBounds(row.removeFromRight(15));
+		row.removeFromRight(rowPadding);
+	} else {
+		rightArrow.setBounds(0, 0, 0, 0);
+	}
+	
 	fileLabel.setBounds(row);
 
 	bounds.removeFromTop(padding);

Source/MainComponent.h

@@ -28,6 +28,10 @@ private:
 	SvgButton closeFileButton{"closeFile", juce::String(BinaryData::delete_svg), juce::Colours::red};
 	SvgButton inputEnabled{"inputEnabled", juce::String(BinaryData::microphone_svg), juce::Colours::white, juce::Colours::red, audioProcessor.inputEnabled};
 	juce::Label fileLabel;
+	SvgButton leftArrow{"leftArrow", juce::String(BinaryData::left_arrow_svg), juce::Colours::white};
+	SvgButton rightArrow{"rightArrow", juce::String(BinaryData::right_arrow_svg), juce::Colours::white};
+	bool showLeftArrow = false;
+	bool showRightArrow = false;
 
 	juce::TextEditor fileName;
 	juce::ComboBox fileType;

Source/PluginEditor.cpp

@@ -127,25 +127,22 @@ void OscirenderAudioProcessorEditor::initialiseCodeEditors() {
 void OscirenderAudioProcessorEditor::paint(juce::Graphics& g) {
     g.fillAll(getLookAndFeel().findColour(juce::ResizableWindow::backgroundColourId));
 
+    auto ds = juce::DropShadow(juce::Colours::black, 5, juce::Point<int>(0, 0));
+
     if (!usingNativeMenuBar) {
         // add drop shadow to the menu bar
-        auto ds = juce::DropShadow(juce::Colours::black, 5, juce::Point<int>(0, 0));
         ds.drawForRectangle(g, menuBar.getBounds());
     }
 
-    // draw drop shadow around code editor if visible
-    juce::SpinLock::ScopedLockType lock(audioProcessor.parsersLock);
-
-    int originalIndex = audioProcessor.getCurrentFileIndex();
-    int index = editingCustomFunction ? 0 : audioProcessor.getCurrentFileIndex() + 1;
-    if ((originalIndex != -1 || editingCustomFunction) && index < codeEditors.size() && codeEditors[index]->isVisible()) {
-        auto ds = juce::DropShadow(juce::Colours::black, 5, juce::Point<int>(0, 0));
-        ds.drawForRectangle(g, codeEditors[index]->getBounds());
-
-        if (editingCustomFunction || audioProcessor.getFileName(originalIndex).fromLastOccurrenceOf(".", true, false) == ".lua") {
-            ds.drawForRectangle(g, lua.getBounds());
-        }
-    }
+	for (int i = 0; i < codeEditors.size(); i++) {
+		if (codeEditors[i]->getBounds().getWidth() > 0 && codeEditors[i]->getBounds().getHeight() > 0) {
+			ds.drawForRectangle(g, codeEditors[i]->getBounds());
+		}
+	}
+    
+	if (lua.getBounds().getWidth() > 0 && lua.getBounds().getHeight() > 0) {
+		ds.drawForRectangle(g, lua.getBounds());
+	}
 }
 
 void OscirenderAudioProcessorEditor::resized() {

Source/parser/FileParser.cpp

@@ -54,11 +54,14 @@ Point FileParser::nextSample(lua_State*& L, const LuaVariables vars, long& step,
 
 	if (lua != nullptr) {
 		auto values = lua->run(L, vars, step, phase);
-		if (values.size() < 2) {
-            return Point();
-        }
-		return Point(values[0], values[1], values[2]);
+		if (values.size() == 2) {
+			return Point(values[0], values[1], 0);
+		} else if (values.size() > 2) {
+			return Point(values[0], values[1], values[2]);
+		}
 	}
+
+	return Point();
 }
 
 void FileParser::closeLua(lua_State*& L) {

osci-render.jucer

@@ -20,11 +20,13 @@
         <FILE id="IqXIZW" name="demo.svg" compile="0" resource="1" file="Resources/svg/demo.svg"/>
         <FILE id="YwkQpy" name="fixed_rotate.svg" compile="0" resource="1"
               file="Resources/svg/fixed_rotate.svg"/>
+        <FILE id="n1esUp" name="left_arrow.svg" compile="0" resource="1" file="Resources/svg/left_arrow.svg"/>
         <FILE id="PxYKbt" name="microphone.svg" compile="0" resource="1" file="Resources/svg/microphone.svg"/>
         <FILE id="pSc1mq" name="osci.svg" compile="0" resource="1" file="Resources/svg/osci.svg"/>
         <FILE id="D2AI1b" name="pencil.svg" compile="0" resource="1" file="Resources/svg/pencil.svg"/>
         <FILE id="PFc2q2" name="random.svg" compile="0" resource="1" file="Resources/svg/random.svg"/>
         <FILE id="n79IAy" name="record.svg" compile="0" resource="1" file="Resources/svg/record.svg"/>
+        <FILE id="OaqZb1" name="right_arrow.svg" compile="0" resource="1" file="Resources/svg/right_arrow.svg"/>
         <FILE id="rXjNlx" name="threshold.svg" compile="0" resource="1" file="Resources/svg/threshold.svg"/>
         <FILE id="rFYmV8" name="timer.svg" compile="0" resource="1" file="Resources/svg/timer.svg"/>
         <FILE id="qC6QiP" name="volume.svg" compile="0" resource="1" file="Resources/svg/volume.svg"/>