lay base for keeping config in sync across multiple instances

src/frontend/qt_sdl/EmuInstance.cpp

@@ -241,6 +241,21 @@ void EmuInstance::deleteAllWindows()
 }
 
 
+void EmuInstance::updateConfigInfo(int kind)
+{
+    switch (kind)
+    {
+    case Config_RecentFiles:
+        for (int i = 0; i < kMaxWindows; i++)
+        {
+            if (windowList[i])
+                windowList[i]->loadRecentFilesMenu(true);
+        }
+        break;
+    }
+}
+
+
 void EmuInstance::osdAddMessage(unsigned int color, const char* fmt, ...)
 {
     if (fmt == nullptr)

src/frontend/qt_sdl/EmuInstance.h

@@ -21,6 +21,7 @@
 
 #include <SDL2/SDL.h>
 
+#include "main.h"
 #include "NDS.h"
 #include "EmuThread.h"
 #include "Window.h"
@@ -91,6 +92,8 @@ public:
     Config::Table& getGlobalConfig() { return globalCfg; }
     Config::Table& getLocalConfig() { return localCfg; }
 
+    void updateConfigInfo(int kind);
+
     std::string instanceFileSuffix();
 
     void createWindow();

src/frontend/qt_sdl/Window.cpp

@@ -271,7 +271,8 @@ MainWindow::MainWindow(int id, EmuInstance* inst, QWidget* parent) :
         setStyleSheet("QMenuBar::item { padding: 4px 8px; }");
 #endif
 
-    hasMenu = (!parent);
+    //hasMenu = (!parent);
+    hasMenu = true;
 
     if (hasMenu)
     {
@@ -288,15 +289,7 @@ MainWindow::MainWindow(int id, EmuInstance* inst, QWidget* parent) :
             actOpenROMArchive->setShortcut(QKeySequence(Qt::Key_O | Qt::CTRL | Qt::SHIFT));*/
 
             recentMenu = menu->addMenu("Open recent");
-            Config::Array recentROMs = globalCfg.GetArray("RecentROM");
-            int numrecent = std::min(kMaxRecentROMs, (int) recentROMs.Size());
-            for (int i = 0; i < numrecent; ++i)
-            {
-                std::string item = recentROMs.GetString(i);
-                if (!item.empty())
-                    recentFileList.push_back(QString::fromStdString(item));
-            }
-            updateRecentFilesMenu();
+            loadRecentFilesMenu(true);
 
             //actBootFirmware = menu->addAction("Launch DS menu");
             actBootFirmware = menu->addAction("Boot firmware");
@@ -1280,12 +1273,23 @@ void MainWindow::onClearRecentFiles()
     updateRecentFilesMenu();
 }
 
-void MainWindow::updateRecentFilesMenu()
+void MainWindow::loadRecentFilesMenu(bool loadcfg)
 {
-    recentMenu->clear();
+    if (loadcfg)
+    {
+        recentFileList.clear();
 
-    Config::Array recentroms = globalCfg.GetArray("RecentROM");
-    recentroms.Clear();
+        Config::Array recentROMs = globalCfg.GetArray("RecentROM");
+        int numrecent = std::min(kMaxRecentROMs, (int) recentROMs.Size());
+        for (int i = 0; i < numrecent; ++i)
+        {
+            std::string item = recentROMs.GetString(i);
+            if (!item.empty())
+                recentFileList.push_back(QString::fromStdString(item));
+        }
+    }
+
+    recentMenu->clear();
 
     for (int i = 0; i < recentFileList.size(); ++i)
     {
@@ -1316,8 +1320,6 @@ void MainWindow::updateRecentFilesMenu()
         QAction *actRecentFile_i = recentMenu->addAction(QString("%1.  %2").arg(i+1).arg(item_display));
         actRecentFile_i->setData(item_full);
         connect(actRecentFile_i, &QAction::triggered, this, &MainWindow::onClickRecentFile);
-
-        recentroms.SetQString(i, recentFileList.at(i));
     }
 
     while (recentFileList.size() > 10)
@@ -1330,8 +1332,24 @@ void MainWindow::updateRecentFilesMenu()
 
     if (recentFileList.empty())
         actClearRecentList->setEnabled(false);
+}
+
+void MainWindow::updateRecentFilesMenu()
+{
+    Config::Array recentroms = globalCfg.GetArray("RecentROM");
+    recentroms.Clear();
+
+    for (int i = 0; i < recentFileList.size(); ++i)
+    {
+        if (i >= kMaxRecentROMs) break;
+
+        recentroms.SetQString(i, recentFileList.at(i));
+    }
 
     Config::Save();
+    loadRecentFilesMenu(false);
+
+    updateConfigInfoAll(Config_RecentFiles, emuInstance->getInstanceID());
 }
 
 void MainWindow::onClickRecentFile()

src/frontend/qt_sdl/Window.h

@@ -134,6 +134,8 @@ public:
     // called when the MP interface is changed
     void updateMPInterface(melonDS::MPInterfaceType type);
 
+    void loadRecentFilesMenu(bool loadcfg);
+
 protected:
     void keyPressEvent(QKeyEvent* event) override;
     void keyReleaseEvent(QKeyEvent* event) override;

src/frontend/qt_sdl/main.cpp

@@ -168,6 +168,18 @@ int numEmuInstances()
 }
 
 
+void updateConfigInfoAll(int kind, int sourceinst)
+{
+    for (int i = 0; i < kMaxEmuInstances; i++)
+    {
+        if (i == sourceinst) continue;
+        if (!emuInstances[i]) continue;
+
+        emuInstances[i]->updateConfigInfo(kind);
+    }
+}
+
+
 void pathInit()
 {
     // First, check for the portable directory next to the executable.

src/frontend/qt_sdl/main.h

@@ -31,6 +31,11 @@
 #include "ScreenLayout.h"
 #include "MPInterface.h"
 
+enum
+{
+    Config_RecentFiles,
+};
+
 class MelonApplication : public QApplication
 {
     Q_OBJECT
@@ -50,6 +55,8 @@ void deleteEmuInstance(int id);
 void deleteAllEmuInstances(int first = 0);
 int numEmuInstances();
 
+void updateConfigInfoAll(int kind, int sourceinst);
+
 void setMPInterface(melonDS::MPInterfaceType type);
 
 #endif // MAIN_H