Qt: Use memory card icon as window icon

src/duckstation-qt/gamelistmodel.cpp

@@ -249,7 +249,7 @@ QString GameListModel::formatTimespan(time_t timespan)
     return qApp->translate("GameList", "%n minutes", "", minutes);
 }
 
-const QPixmap& GameListModel::getIconForEntry(const GameList::Entry* ge) const
+const QPixmap& GameListModel::getPixmapForEntry(const GameList::Entry* ge) const
 {
   // We only do this for discs/disc sets for now.
   if (m_show_game_icons && (!ge->serial.empty() && (ge->IsDisc() || ge->IsDiscSet())))
@@ -274,6 +274,30 @@ const QPixmap& GameListModel::getIconForEntry(const GameList::Entry* ge) const
   return m_type_pixmaps[static_cast<u32>(ge->type)];
 }
 
+QIcon GameListModel::getIconForGame(const QString& path)
+{
+  QIcon ret;
+
+  if (m_show_game_icons)
+  {
+    const auto lock = GameList::GetLock();
+    const GameList::Entry* entry = GameList::GetEntryForPath(path.toStdString());
+
+    // See above.
+    if (entry && !entry->serial.empty() && (entry->IsDisc() || entry->IsDiscSet()))
+    {
+      const MemoryCardImage::IconFrame* icon = m_memcard_icon_cache.Lookup(entry->serial, entry->path);
+      if (icon)
+      {
+        ret = QIcon(QPixmap::fromImage(QImage(reinterpret_cast<const uchar*>(icon->pixels), MemoryCardImage::ICON_WIDTH,
+                                              MemoryCardImage::ICON_HEIGHT, QImage::Format_RGBA8888)));
+      }
+    }
+  }
+
+  return ret;
+}
+
 int GameListModel::getCoverArtWidth() const
 {
   return std::max(static_cast<int>(static_cast<float>(COVER_ART_WIDTH) * m_cover_scale), 1);
@@ -457,7 +481,7 @@ QVariant GameListModel::data(const QModelIndex& index, int role) const
       {
         case Column_Type:
         {
-          return getIconForEntry(ge);
+          return getPixmapForEntry(ge);
         }
 
         case Column_Region:

src/duckstation-qt/gamelistmodel.h

@@ -69,6 +69,7 @@ public:
 
   bool getShowGameIcons() const { return m_show_game_icons; }
   void setShowGameIcons(bool enabled);
+  QIcon getIconForGame(const QString& path);
 
   float getCoverScale() const { return m_cover_scale; }
   void setCoverScale(float scale);
@@ -88,7 +89,7 @@ private:
   void loadOrGenerateCover(const GameList::Entry* ge);
   void invalidateCoverForPath(const std::string& path);
 
-  const QPixmap& getIconForEntry(const GameList::Entry* ge) const;
+  const QPixmap& getPixmapForEntry(const GameList::Entry* ge) const;
 
   static QString formatTimespan(time_t timespan);
 

src/duckstation-qt/mainwindow.cpp

@@ -9,6 +9,7 @@
 #include "coverdownloaddialog.h"
 #include "debuggerwindow.h"
 #include "displaywidget.h"
+#include "gamelistmodel.h"
 #include "gamelistsettingswidget.h"
 #include "gamelistwidget.h"
 #include "interfacesettingswidget.h"
@@ -90,6 +91,7 @@ static bool s_system_paused = false;
 static QString s_current_game_title;
 static QString s_current_game_serial;
 static QString s_current_game_path;
+static QIcon s_current_game_icon;
 
 bool QtHost::IsSystemPaused()
 {
@@ -615,6 +617,7 @@ void MainWindow::onRunningGameChanged(const QString& filename, const QString& ga
   s_current_game_path = filename;
   s_current_game_title = game_title;
   s_current_game_serial = game_serial;
+  s_current_game_icon = m_game_list_widget->getModel()->getIconForGame(filename);
 
   updateWindowTitle();
 }
@@ -1883,6 +1886,7 @@ void MainWindow::updateWindowTitle()
 
   if (windowTitle() != main_title)
     setWindowTitle(main_title);
+  setWindowIcon(s_current_game_icon.isNull() ? QtHost::GetAppIcon() : s_current_game_icon);
 
   if (m_display_widget && !isRenderingToMain())
   {
@@ -1890,6 +1894,7 @@ void MainWindow::updateWindowTitle()
       m_display_container ? static_cast<QWidget*>(m_display_container) : static_cast<QWidget*>(m_display_widget);
     if (container->windowTitle() != display_title)
       container->setWindowTitle(display_title);
+    container->setWindowIcon(s_current_game_icon.isNull() ? QtHost::GetAppIcon() : s_current_game_icon);
   }
 
   if (g_log_window)