qt: Add DnD support for cassette/cartridge media types

src/qt/qt_machinestatus.cpp

@@ -361,7 +361,11 @@ void MachineStatus::refresh(QStatusBar* sbar) {
         connect((ClickableLabel*)d->cassette.label.get(), &ClickableLabel::clicked, [](QPoint pos) {
             MediaMenu::ptr->cassetteMenu->popup(pos - QPoint(0, MediaMenu::ptr->cassetteMenu->sizeHint().height()));
         });
+        connect((ClickableLabel*)d->cassette.label.get(), &ClickableLabel::dropped, [](QString str) {
+            MediaMenu::ptr->cassetteMount(str, false);
+        });
         d->cassette.label->setToolTip(MediaMenu::ptr->cassetteMenu->title());
+        d->cassette.label->setAcceptDrops(true);
         sbar->addWidget(d->cassette.label.get());
     }
 
@@ -372,7 +376,11 @@ void MachineStatus::refresh(QStatusBar* sbar) {
             connect((ClickableLabel*)d->cartridge[i].label.get(), &ClickableLabel::clicked, [i](QPoint pos) {
                 MediaMenu::ptr->cartridgeMenus[i]->popup(pos - QPoint(0, MediaMenu::ptr->cartridgeMenus[i]->sizeHint().height()));
             });
+            connect((ClickableLabel*)d->cartridge[i].label.get(), &ClickableLabel::dropped, [i](QString str) {
+                MediaMenu::ptr->cartridgeMount(i, str);
+            });
             d->cartridge[i].label->setToolTip(MediaMenu::ptr->cartridgeMenus[i]->title());
+            d->cartridge[i].label->setAcceptDrops(true);
             sbar->addWidget(d->cartridge[i].label.get());
         }
     }

src/qt/qt_mediamenu.cpp

@@ -230,6 +230,18 @@ void MediaMenu::cassetteUpdateMenu() {
     cassetteMenu->setTitle(QString::asprintf(tr("Cassette: %s").toUtf8().constData(), (name.isEmpty() ? tr("(empty)") : name).toUtf8().constData()));
 }
 
+void MediaMenu::cartridgeMount(int i, const QString &filename)
+{
+    cart_close(i);
+    QByteArray filenameBytes = filename.toUtf8();
+    cart_load(i, filenameBytes.data());
+
+    ui_sb_update_icon_state(SB_CARTRIDGE | i, filename.isEmpty() ? 1 : 0);
+    cartridgeUpdateMenu(i);
+    ui_sb_update_tip(SB_CARTRIDGE | i);
+    config_save();
+}
+
 void MediaMenu::cartridgeSelectImage(int i) {
     auto filename = QFileDialog::getOpenFileName(
         parentWidget,
@@ -243,14 +255,7 @@ void MediaMenu::cartridgeSelectImage(int i) {
     if (filename.isEmpty()) {
         return;
     }
-    cart_close(i);
-    QByteArray filenameBytes = filename.toUtf8();
-    cart_load(i, filenameBytes.data());
-
-    ui_sb_update_icon_state(SB_CARTRIDGE | i, filename.isEmpty() ? 1 : 0);
-    cartridgeUpdateMenu(i);
-    ui_sb_update_tip(SB_CARTRIDGE | i);
-    config_save();
+    cartridgeMount(i, filename);
 }
 
 void MediaMenu::cartridgeEject(int i) {

src/qt/qt_mediamenu.hpp

@@ -25,6 +25,7 @@ public:
     void cassetteUpdateMenu();
 
     void cartridgeSelectImage(int i);
+    void cartridgeMount(int i, const QString& filename);
     void cartridgeEject(int i);
     void cartridgeUpdateMenu(int i);