Background image update on apply/save

src/qt_gui/game_list_frame.cpp

@@ -89,6 +89,7 @@ void GameListFrame::onCurrentCellChanged(int currentRow, int currentColumn, int
     if (!item) {
         return;
     }
+    m_current_item = item; // Store current item
     SetListBackgroundImage(item);
     PlayBackgroundMusic(item);
 }
@@ -388,3 +389,7 @@ QString GameListFrame::GetPlayTime(const std::string& serial) {
     file.close();
     return playTime;
 }
+
+QTableWidgetItem* GameListFrame::GetCurrentItem() {
+    return m_current_item;
+}

src/qt_gui/game_list_frame.h

@@ -44,11 +44,12 @@ private:
     QList<QAction*> m_columnActs;
     GameInfoClass* game_inf_get = nullptr;
     bool ListSortedAsc = true;
+    QTableWidgetItem* m_current_item = nullptr;
 
 public:
     void PopulateGameList(bool isInitialPopulation = true);
     void ResizeIcons(int iconSize);
-
+    QTableWidgetItem* GetCurrentItem();
     QImage backgroundImage;
     GameListUtils m_game_list_utils;
     GuiContextMenus m_gui_context_menus;

src/qt_gui/main_window.cpp

@@ -292,6 +292,19 @@ void MainWindow::CreateConnects() {
         connect(settingsDialog, &SettingsDialog::CompatibilityChanged, this,
                 &MainWindow::RefreshGameTable);
 
+        // Connect background opacity changes to refresh both frames
+        connect(
+            settingsDialog, &SettingsDialog::BackgroundOpacityChanged, this, [this](int opacity) {
+                Config::setBackgroundImageOpacity(opacity);
+                if (m_game_list_frame) {
+                    m_game_list_frame->SetListBackgroundImage(m_game_list_frame->GetCurrentItem());
+                }
+                if (m_game_grid_frame) {
+                    m_game_grid_frame->SetGridBackgroundImage(m_game_grid_frame->crtRow,
+                                                              m_game_grid_frame->crtColumn);
+                }
+            });
+
         settingsDialog->exec();
     });
 

src/qt_gui/settings_dialog.cpp

@@ -176,8 +176,6 @@ SettingsDialog::SettingsDialog(std::span<const QString> physical_devices,
 
         connect(ui->showBackgroundImageCheckBox, &QCheckBox::stateChanged, this,
                 [](int state) { Config::setShowBackgroundImage(state == Qt::Checked); });
-        connect(ui->backgroundImageOpacitySlider, &QSlider::valueChanged, this,
-                [](int value) { Config::setBackgroundImageOpacity(value); });
     }
     // Input TAB
     {
@@ -649,6 +647,7 @@ void SettingsDialog::UpdateSettings() {
     Config::setCompatibilityEnabled(ui->enableCompatibilityCheckBox->isChecked());
     Config::setCheckCompatibilityOnStartup(ui->checkCompatibilityOnStartupCheckBox->isChecked());
     Config::setBackgroundImageOpacity(ui->backgroundImageOpacitySlider->value());
+    emit BackgroundOpacityChanged(ui->backgroundImageOpacitySlider->value());
     Config::setShowBackgroundImage(ui->showBackgroundImageCheckBox->isChecked());
 
 #ifdef ENABLE_DISCORD_RPC

src/qt_gui/settings_dialog.h

@@ -33,6 +33,7 @@ public:
 signals:
     void LanguageChanged(const std::string& locale);
     void CompatibilityChanged();
+    void BackgroundOpacityChanged(int opacity);
 
 private:
     void LoadValuesFromConfig();