Added a "LOAD RANDOM CART & PROGRAM" button

Source/CartManager.cpp

@@ -25,6 +25,7 @@
 #include "PluginData.h"
 
 #include <fstream>
+#include <random>
 using namespace ::std;
 
 class SyxFileFilter : public FileFilter {
@@ -120,6 +121,11 @@ CartManager::CartManager(DexedAudioProcessorEditor *editor) : Component("CartMan
  addAndMakeVisible(fileMgrButton.get());
  fileMgrButton->setBounds(148, 545, 70, 30);
  fileMgrButton->addListener(this);
+
+ randomButton.reset(new TextButton("LOAD RANDOM CART & PROGRAM"));
+ addAndMakeVisible(randomButton.get());
+ randomButton->setBounds(216, 545, 205, 30);
+ randomButton->addListener(this);
 /*
  *
  * I've removed this since it only works on the DX7 II. TBC.
@@ -146,7 +152,14 @@ void CartManager::paint(Graphics &g) {
  g.setColour(DXLookNFeel::roundBackground);
  g.fillRoundedRectangle(8, 418, 843, 126, 15);
  g.setColour(Colours::whitesmoke);
- g.drawText("currently loaded cartridge", 38, 410, 150, 40, Justification::left);
+
+ String path = mainWindow->processor->activeFileCartridge.getFullPathName();
+ int maxLength = 110;
+ if(path.length() > maxLength){
+ path = "..." + path.substring(path.length()-maxLength);
+ }
+
+ g.drawText("currently loaded cartridge: " + path, 38, 410, 775, 40, Justification::left);
 }
 
 void CartManager::programSelected(ProgramListBox *source, int pos) {
@@ -189,6 +202,40 @@ void CartManager::buttonClicked(juce::Button *buttonThatWasClicked) {
  return;
  }
 
+ if ( buttonThatWasClicked == randomButton.get() ) {
+ Array<File> files;
+
+ for(const auto& iter : RangedDirectoryIterator(DexedAudioProcessor::dexedCartDir, true, "*.syx;*.SYX", File::findFiles)) {
+ files.add(iter.getFile());
+ }
+
+ auto cartIndex = Random::getSystemRandom().nextInt(files.size());
+ mainWindow->loadCart(files[cartIndex]);
+
+ int numPrograms = mainWindow->processor->getNumPrograms();
+ vector<int> programIndices;
+ for(int i=0; i<numPrograms; i++) {
+ programIndices.push_back(i);
+ }
+
+ random_device rd;
+ mt19937 g(rd());
+ shuffle(programIndices.begin(), programIndices.end(), g);
+
+ // A while loop was originally considered here, but this solution prevents the possibility of an infinite loop.
+ for(int i=0; i<numPrograms; i++) {
+ int programIndex = programIndices[i];
+ String programName = mainWindow->processor->getProgramName(programIndex).trim();
+ if(programName.length() > 0){
+ // A program exists at this index.
+ programSelected(activeCart.get(), programIndex);
+ break;
+ }
+ }
+
+ return;
+ }
+
  // THIS IS NOT USED
  if ( buttonThatWasClicked == getDXPgmButton.get() ) {
  if ( mainWindow->processor->sysexComm.isInputActive() && mainWindow->processor->sysexComm.isOutputActive() ) {

Source/CartManager.h

@@ -33,6 +33,7 @@ class CartManager : public Component, public Button::Listener, public DragAndDr
  std::unique_ptr<TextButton> saveButton;
  std::unique_ptr<TextButton> closeButton;
  std::unique_ptr<TextButton> fileMgrButton;
+ std::unique_ptr<TextButton> randomButton;
  std::unique_ptr<TextButton> getDXPgmButton;
  std::unique_ptr<TextButton> getDXCartButton;
 

Source/PluginEditor.cpp

@@ -125,7 +125,7 @@ void DexedAudioProcessorEditor::loadCart(File file) {
  }
 
  if ( rc != 0 ) {
- rc = AlertWindow::showOkCancelBox(AlertWindow::QuestionIcon, "Unable to find DX7 sysex cartridge in file",
+ rc = AlertWindow::showOkCancelBox(AlertWindow::QuestionIcon, "Unable to find DX7 sysex cartridge in file: " + file.getFullPathName(),
  "This sysex file is not for the DX7 or it is corrupted. "
  "Do you still want to load this file as random data ?");
  if ( rc == 0 )