Fixed a few windowing issues when using global scale factors.

modules/juce_gui_basics/native/juce_linux_Windowing.cpp

@@ -1045,7 +1045,7 @@ public:
                 r = Desktop::getInstance().getDisplays().getMainDisplay().userArea;
 
             if (! r.isEmpty())
-                setBounds (r, shouldBeFullScreen);
+                setBounds (ScalingHelpers::scaledScreenPosToUnscaled (component, r), shouldBeFullScreen);
 
             component.repaint();
         }
@@ -1115,9 +1115,9 @@ public:
             if (c == &component)
                 break;
 
-            // TODO: needs scaling correctly
-            if (c->contains (localPos + bounds.getPosition() - c->getScreenPosition()))
-                return false;
+            if (ComponentPeer* peer = c->getPeer())
+                if (peer->contains (localPos + bounds.getPosition() - peer->getBounds().getPosition(), true))
+                    return false;
         }
 
         if (trueIfInAChildWindow)

modules/juce_gui_basics/native/juce_mac_NSViewComponentPeer.mm

@@ -369,7 +369,7 @@ public:
 
                     // (can't call the component's setBounds method because that'll reset our fullscreen flag)
                     if (r != component.getBounds() && ! r.isEmpty())
-                        setBounds (r, shouldBeFullScreen);
+                        setBounds (ScalingHelpers::scaledScreenPosToUnscaled (component, r), shouldBeFullScreen);
                 }
             }
         }

modules/juce_gui_basics/native/juce_win32_Windowing.cpp

@@ -763,7 +763,7 @@ public:
                     ShowWindow (hwnd, SW_SHOWNORMAL);
 
                 if (! boundsCopy.isEmpty())
-                    setBounds (boundsCopy, false);
+                    setBounds (ScalingHelpers::scaledScreenPosToUnscaled (component, boundsCopy), false);
             }
             else
             {