Do bounds-checking on more windows (#4797)

Co-authored-by: pajlada <rasmus.karlsson@pajlada.com>

src/util/InitUpdateButton.cpp

@@ -24,7 +24,7 @@ void initUpdateButton(Button &button,
             globalPoint.setX(0);
         }
 
-        dialog->move(globalPoint);
+        dialog->moveTo(globalPoint, widgets::BoundsChecking::DesiredPosition);
         dialog->show();
         dialog->raise();
 

src/util/WidgetHelpers.cpp

@@ -79,4 +79,17 @@ void moveWindowTo(QWidget *window, QPoint position, BoundsChecking mode)
     }
 }
 
+void showAndMoveWindowTo(QWidget *window, QPoint position, BoundsChecking mode)
+{
+#ifdef Q_OS_WINDOWS
+    window->show();
+
+    moveWindowTo(window, position, mode);
+#else
+    moveWindowTo(window, position, mode);
+
+    window->show();
+#endif
+}
+
 }  // namespace chatterino::widgets

src/util/WidgetHelpers.hpp

@@ -26,4 +26,14 @@ enum class BoundsChecking {
 void moveWindowTo(QWidget *window, QPoint position,
                   BoundsChecking mode = BoundsChecking::DesiredPosition);
 
+/// Moves the `window` to the (global) `position`
+/// while doing bounds-checking according to `mode` to ensure the window stays on one screen.
+/// Will also call show on the `window`, order is dependant on platform.
+///
+/// @param window The window to move.
+/// @param position The global position to move the window to.
+/// @param mode The desired bounds checking.
+void showAndMoveWindowTo(QWidget *window, QPoint position,
+                         BoundsChecking mode = BoundsChecking::DesiredPosition);
+
 }  // namespace chatterino::widgets