added multiple image searching delay

src/gui/LauncherDialog.cxx

@@ -475,6 +475,9 @@ void LauncherDialog::tick()
   if(myPendingReload && myReloadTime < TimerManager::getTicks() / 1000)
     reload();
 
+  if(myPendingRomInfo && myRomInfoTime < TimerManager::getTicks() / 1000)
+    loadRomInfo(true);
+
   Dialog::tick();
 }
 
@@ -548,8 +551,10 @@ void LauncherDialog::updateUI()
     << (myShortCount ? " items" : " items found");
   myRomCount->setLabel(buf.str());
 
-  // Update ROM info UI item
-  loadRomInfo();
+  // Update ROM info UI item, delayed
+  myRomInfoTime = TimerManager::getTicks() / 1000 + 250; // TODO: define delay
+  myPendingRomInfo = true;
+  loadRomInfo(false);
 }
 
 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
@@ -668,18 +673,20 @@ void LauncherDialog::setRomInfoFont(const Common::Size& area)
 }
 
 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-void LauncherDialog::loadRomInfo()
+void LauncherDialog::loadRomInfo(bool complete)
 {
+  myPendingRomInfo = !complete;
+
   if(!myRomImageWidget || !myROMInfoFont)
     return;
 
   const string& md5 = selectedRomMD5();
   if(md5 != EmptyString)
   {
-    myRomImageWidget->setProperties(currentNode(), md5);
-    myRomInfoWidget->setProperties(currentNode(), md5);
+    myRomImageWidget->setProperties(currentNode(), md5, complete);
+    myRomInfoWidget->setProperties(currentNode(), md5); // TODO: skip controller detector?
   }
-  else
+  else if(!complete)
   {
     myRomImageWidget->clearProperties();
     myRomInfoWidget->clearProperties();

src/gui/LauncherDialog.hxx

@@ -147,7 +147,7 @@ class LauncherDialog : public Dialog, CommandSender
     void setRomInfoFont(const Common::Size& area);
 
     void loadRom();
-    void loadRomInfo();
+    void loadRomInfo(bool complete);
     void openSettings();
     void openGameProperties();
     void openContextMenu(int x = -1, int y = -1);
@@ -209,6 +209,8 @@ class LauncherDialog : public Dialog, CommandSender
     bool myShortCount{false};
     bool myPendingReload{false};
     uInt64 myReloadTime{0};
+    bool myPendingRomInfo{false};
+    uInt64 myRomInfoTime{0};
 
     enum {
       kAllfilesCmd   = 'lalf',  // show all files (or ROMs only)

src/gui/RomImageWidget.cxx

@@ -40,7 +40,7 @@ RomImageWidget::RomImageWidget(GuiObject* boss, const GUI::Font& font,
 }
 
 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-void RomImageWidget::setProperties(const FSNode& node, const string& md5)
+void RomImageWidget::setProperties(const FSNode& node, const string& md5, bool complete)
 {
   myHaveProperties = true;
 
@@ -52,7 +52,7 @@ void RomImageWidget::setProperties(const FSNode& node, const string& md5)
 
   // Decide whether the information should be shown immediately
   if(instance().eventHandler().state() == EventHandlerState::LAUNCHER)
-    parseProperties(node);
+    parseProperties(node, complete);
 }
 
 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
@@ -74,11 +74,11 @@ void RomImageWidget::reloadProperties(const FSNode& node)
   // by saving a different image or through a change in video renderer,
   // so we reload the properties
   if(myHaveProperties)
-    parseProperties(node);
+    parseProperties(node, true);
 }
 
 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-void RomImageWidget::parseProperties(const FSNode& node)
+void RomImageWidget::parseProperties(const FSNode& node, bool complete)
 {
   if(myNavSurface == nullptr)
   {
@@ -123,17 +123,32 @@ void RomImageWidget::parseProperties(const FSNode& node)
   myImageList.clear();
   myImageIdx = 0;
   
-  // 1. Try to load snapshots by property name
-  getImageList(myProperties.get(PropType::Cart_Name));
-  // 2. Also try to load snapshot images by filename
-  getImageList(node.getNameWithExt());
+  if(complete)
+  {
+    // Try to load snapshots by property name and ROM file name
+    getImageList(myProperties.get(PropType::Cart_Name), node.getNameWithExt());
 
     if(myImageList.size())
       mySurfaceIsValid = loadPng(myImageList[0].getPath());
+  }
+  else
+  {
+    const string& path = instance().snapshotLoadDir().getPath();
+    string filename = path + myProperties.get(PropType::Cart_Name) + ".png";
+
+    mySurfaceIsValid = loadPng(filename);
+    if(!mySurfaceIsValid)
+    {
+      filename = path + node.getNameWithExt("png");
+      mySurfaceIsValid = loadPng(filename);
+    }
+    if(mySurfaceIsValid)
+      myImageList.emplace_back(filename);
+  }
 
   if(!mySurfaceIsValid)
   {
-    // 3. If no ROM snapshots exist, try to load a default snapshot
+    // If no ROM snapshots exist, try to load a default snapshot
     mySurfaceIsValid = loadPng(instance().snapshotLoadDir().getPath() + "default_snapshot.png");
   }
 
@@ -159,14 +174,22 @@ bool RomImageWidget::changeImage(int direction)
 
 #ifdef PNG_SUPPORT
 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-bool RomImageWidget::getImageList(const string& filename)
+bool RomImageWidget::getImageList(const string& propname, const string& filename)
 {
-  const string pngName = filename + ".png";
+  // TODO: search for consecutive digits and letters instead of getChildren
+  //std::ifstream in(filename, std::ios_base::binary);
+  //if(!in.is_open())
+  //  loadImageERROR("No snapshot found");
+  // or use a timer before updating the images
+
+  const string pngPropName = propname + ".png";
+  const string pngFileName = filename + ".png";
   FSNode::NameFilter filter = ([&](const FSNode& node)
     {
       const string& nodeName = node.getName();
       return (!node.isDirectory() &&
-        (nodeName == pngName ||
+        (nodeName == pngPropName || nodeName == pngFileName ||
+          (nodeName.find(propname + " #") == 0 && nodeName.find(".png") == nodeName.length() - 4) ||
           (nodeName.find(filename + " #") == 0 && nodeName.find(".png") == nodeName.length() - 4)));
     }
   );

src/gui/RomImageWidget.hxx

@@ -36,7 +36,7 @@ class RomImageWidget : public Widget, public CommandSender
       return font.getFontHeight() * 9 / 8;
     }
 
-    void setProperties(const FSNode& node, const string& md5);
+    void setProperties(const FSNode& node, const string& md5, bool complete);
     void clearProperties();
     void reloadProperties(const FSNode& node);
     bool changeImage(int direction = 1);
@@ -49,9 +49,9 @@ class RomImageWidget : public Widget, public CommandSender
 #endif
 
   private:
-    void parseProperties(const FSNode& node);
+    void parseProperties(const FSNode& node, bool complete);
   #ifdef PNG_SUPPORT
-    bool getImageList(const string& filename);
+    bool getImageList(const string& propname, const string& filename);
     bool loadPng(const string& filename);
   #endif