GUI: add recent file list

src/engine/config.cpp

@@ -239,6 +239,10 @@ void DivEngine::setConf(String key, double value) {
   conf[key]=fmt::sprintf("%f",value);
 }
 
+void DivEngine::setConf(String key, const char* value) {
+  conf[key]=String(value);
+}
+
 void DivEngine::setConf(String key, String value) {
   conf[key]=value;
 }

src/engine/engine.h

@@ -544,6 +544,7 @@ class DivEngine {
     void setConf(String key, int value);
     void setConf(String key, float value);
     void setConf(String key, double value);
+    void setConf(String key, const char* value);
     void setConf(String key, String value);
 
     // calculate base frequency/period

src/gui/gui.cpp

@@ -536,6 +536,7 @@ void FurnaceGUI::setFileName(String name) {
   }
 #endif
   updateWindowTitle();
+  pushRecentFile(curFileName);
 }
 
 void FurnaceGUI::updateWindowTitle() {
@@ -1724,6 +1725,7 @@ int FurnaceGUI::save(String path, int dmfVersion) {
   if (!e->getWarnings().empty()) {
     showWarning(e->getWarnings(),GUI_WARN_GENERIC);
   }
+  pushRecentFile(path);
   return 0;
 }
 
@@ -1801,9 +1803,26 @@ int FurnaceGUI::load(String path) {
   if (!e->getWarnings().empty()) {
     showWarning(e->getWarnings(),GUI_WARN_GENERIC);
   }
+  pushRecentFile(path);
   return 0;
 }
 
+void FurnaceGUI::pushRecentFile(String path) {
+  if (path.empty()) return;
+  if (path==backupPath) return;
+  for (int i=0; i<(int)recentFile.size(); i++) {
+    if (recentFile[i]==path) {
+      recentFile.erase(recentFile.begin()+i);
+      i--;
+    }
+  }
+  recentFile.push_front(path);
+
+  while (!recentFile.empty() && (int)recentFile.size()>settings.maxRecentFile) {
+    recentFile.pop_back();
+  }
+}
+
 void FurnaceGUI::exportAudio(String path, DivAudioExportModes mode) {
   e->saveAudio(path.c_str(),exportLoops+1,mode,exportFadeOut);
   displayExporting=true;
@@ -3045,6 +3064,27 @@ bool FurnaceGUI::loop() {
             openFileDialog(GUI_FILE_OPEN);
           }
         }
+        if (ImGui::BeginMenu("open recent")) {
+          for (int i=0; i<(int)recentFile.size(); i++) {
+            String item=recentFile[i];
+            if (ImGui::MenuItem(item.c_str())) {
+              if (modified) {
+                nextFile=item;
+                showWarning("Unsaved changes! Save changes before opening file?",GUI_WARN_OPEN_DROP);
+              } else {
+                recentFile.erase(recentFile.begin()+i);
+                i--;
+                if (load(item)>0) {
+                  showError(fmt::sprintf("Error while loading file! (%s)",lastError));
+                }
+              }
+            }
+          }
+          if (recentFile.empty()) {
+            ImGui::Text("nothing here yet");
+          }
+          ImGui::EndMenu();
+        }
         ImGui::Separator();
         if (ImGui::MenuItem("save",BIND_FOR(GUI_ACTION_SAVE))) {
           if (curFileName=="" || curFileName==backupPath || e->song.version>=0xff00) {
@@ -4628,6 +4668,13 @@ bool FurnaceGUI::init() {
 
   syncSettings();
 
+  for (int i=0; i<settings.maxRecentFile; i++) {
+    String r=e->getConfString(fmt::sprintf("recentFile%d",i),"");
+    if (!r.empty()) {
+      recentFile.push_back(r);
+    }
+  }
+
   if (settings.dpiScale>=0.5f) {
     dpiScale=settings.dpiScale;
   }
@@ -4900,6 +4947,16 @@ bool FurnaceGUI::finish() {
   e->setConf("chanOscUseGrad",chanOscUseGrad);
   e->setConf("chanOscGrad",chanOscGrad.toString());
 
+  // commit recent files
+  for (int i=0; i<30; i++) {
+    String key=fmt::sprintf("recentFile%d",i);
+    if (i>=settings.maxRecentFile || i>=(int)recentFile.size()) {
+      e->setConf(key,"");
+    } else {
+      e->setConf(key,recentFile[i]);
+    }
+  }
+
   for (int i=0; i<DIV_MAX_CHANS; i++) {
     delete oldPat[i];
   }

src/gui/gui.h

@@ -1000,6 +1000,7 @@ class FurnaceGUI {
 
   std::vector<DivSystem> sysSearchResults;
   std::vector<FurnaceGUISysDef> newSongSearchResults;
+  std::deque<String> recentFile;
 
   bool quit, warnQuit, willCommit, edit, modified, displayError, displayExporting, vgmExportLoop, vgmExportPatternHints;
   bool portrait, mobileMenuOpen;
@@ -1171,6 +1172,7 @@ class FurnaceGUI {
     int channelStyle;
     int channelVolStyle;
     int channelFeedbackStyle;
+    int maxRecentFile;
     unsigned int maxUndoSteps;
     String mainFontPath;
     String patFontPath;
@@ -1291,6 +1293,7 @@ class FurnaceGUI {
       channelStyle(0),
       channelVolStyle(0),
       channelFeedbackStyle(1),
+      maxRecentFile(10),
       maxUndoSteps(100),
       mainFontPath(""),
       patFontPath(""),
@@ -1728,6 +1731,7 @@ class FurnaceGUI {
   void openFileDialog(FurnaceGUIFileDialogs type);
   int save(String path, int dmfVersion);
   int load(String path);
+  void pushRecentFile(String path);
   void exportAudio(String path, DivAudioExportModes mode);
 
   bool parseSysEx(unsigned char* data, size_t len);

src/gui/settings.cpp

@@ -1130,6 +1130,13 @@ void FurnaceGUI::drawSettings() {
 
           ImGui::Separator();
 
+          if (ImGui::InputInt("Number of recent files",&settings.maxRecentFile)) {
+            if (settings.maxRecentFile<0) settings.maxRecentFile=0;
+            if (settings.maxRecentFile>30) settings.maxRecentFile=30;
+          }
+
+          ImGui::Separator();
+
           ImGui::Text("Pattern view labels:");
           ImGui::InputTextWithHint("Note off (3-char)","OFF",&settings.noteOffLabel);
           ImGui::InputTextWithHint("Note release (3-char)","===",&settings.noteRelLabel);
@@ -2273,6 +2280,7 @@ void FurnaceGUI::syncSettings() {
   settings.channelStyle=e->getConfInt("channelStyle",0);
   settings.channelVolStyle=e->getConfInt("channelVolStyle",0);
   settings.channelFeedbackStyle=e->getConfInt("channelFeedbackStyle",1);
+  settings.maxRecentFile=e->getConfInt("maxRecentFile",10);
 
   clampSetting(settings.mainFontSize,2,96);
   clampSetting(settings.patFontSize,2,96);
@@ -2371,6 +2379,7 @@ void FurnaceGUI::syncSettings() {
   clampSetting(settings.channelStyle,0,5);
   clampSetting(settings.channelVolStyle,0,3);
   clampSetting(settings.channelFeedbackStyle,0,3);
+  clampSetting(settings.maxRecentFile,0,30);
 
   settings.initialSys=e->decodeSysDesc(e->getConfString("initialSys",""));
   if (settings.initialSys.size()<4) {
@@ -2525,6 +2534,7 @@ void FurnaceGUI::commitSettings() {
   e->setConf("channelStyle",settings.channelStyle);
   e->setConf("channelVolStyle",settings.channelVolStyle);
   e->setConf("channelFeedbackStyle",settings.channelFeedbackStyle);
+  e->setConf("maxRecentFile",settings.maxRecentFile);
 
   // colors
   for (int i=0; i<GUI_COLOR_MAX; i++) {
@@ -2546,6 +2556,10 @@ void FurnaceGUI::commitSettings() {
 
   e->saveConf();
 
+  while (!recentFile.empty() && (int)recentFile.size()>settings.maxRecentFile) {
+    recentFile.pop_back();
+  }
+
   if (sampleROMsChanged) {
     if (e->loadSampleROMs()) {
       showError(e->getLastError());