Add option to show UI while in fullscreen

src/86box.c

@@ -286,6 +286,11 @@ struct accelKey def_acc_keys[NUM_ACCELS] = {
         .name="mute",
         .desc="Toggle mute",
         .seq="Ctrl+Alt+M"
+    },
+    {
+        .name="toggle_ui_fullscreen",
+        .desc="Toggle UI in fullscreen",
+        .seq="Ctrl+Alt+PgDown"
     }
 };
 

src/include/86box/86box.h

@@ -288,7 +288,7 @@ struct accelKey {
 	char desc[64];
 	char seq[64];
 };
-#define NUM_ACCELS 8
+#define NUM_ACCELS 9
 extern struct accelKey acc_keys[NUM_ACCELS];
 extern struct accelKey def_acc_keys[NUM_ACCELS];
 extern int FindAccelerator(const char *name);

src/qt/qt_mainwindow.cpp

@@ -1464,6 +1464,7 @@ MainWindow::on_actionFullscreen_triggered()
         if (!hide_tool_bar)
             ui->toolBar->show();
         video_fullscreen = 0;
+        fullscreen_ui_visible = false;
         if (vid_resize != 1) {
             emit resizeContents(vid_resize == 2 ? fixed_size_x : monitors[0].mon_scrnsz_x, vid_resize == 2 ? fixed_size_y : monitors[0].mon_scrnsz_y);
         }
@@ -1558,6 +1559,10 @@ MainWindow::eventFilter(QObject *receiver, QEvent *event)
                 || (QKeySequence) (ke->key() | ke->modifiers()) == FindAcceleratorSeq("mute")) {
                 ui->actionMute_Unmute->trigger();
             }
+            if ((QKeySequence) (ke->key() | (ke->modifiers() & ~Qt::KeypadModifier)) == FindAcceleratorSeq("toggle_ui_fullscreen")
+                || (QKeySequence) (ke->key() | ke->modifiers()) == FindAcceleratorSeq("toggle_ui_fullscreen")) {
+                toggleFullscreenUI();
+            }
 
             return true;
         }
@@ -2206,6 +2211,18 @@ MainWindow::on_actionUpdate_status_bar_icons_triggered()
     status->clearActivity();
 }
 
+void
+MainWindow::toggleFullscreenUI()
+{
+    if (video_fullscreen == 0)
+        return;
+
+    fullscreen_ui_visible ^= 1;
+    ui->menubar->setVisible(fullscreen_ui_visible);
+    ui->statusbar->setVisible(fullscreen_ui_visible && !hide_status_bar);
+    ui->toolBar->setVisible(fullscreen_ui_visible && !hide_tool_bar);
+}
+
 void
 MainWindow::on_actionTake_screenshot_triggered()
 {

src/qt/qt_mainwindow.hpp

@@ -130,6 +130,7 @@ private slots:
     void on_actionHide_tool_bar_triggered();
     void on_actionUpdate_status_bar_icons_triggered();
     void on_actionTake_screenshot_triggered();
+    void toggleFullscreenUI();
     void on_actionMute_Unmute_triggered();
     void on_actionSound_gain_triggered();
     void on_actionPreferences_triggered();
@@ -197,6 +198,9 @@ private:
     /* Reload the renderers after closing renderer options dialog. */
     bool reload_renderers = false;
 
+    /* Fullscreen UI visibility state */
+    bool fullscreen_ui_visible = false;
+
     friend class SpecifyDimensions;
     friend class ProgSettings;
     friend class RendererCommon;