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Yes you are right, with Windows, every control IS a window (this excludes the menu bar) but unlike X.ORG, by default "visually" it does *not* live outside the parent form (which is the case with X when you show the widget) that created the control (widget). With X.ORG, each control/window/widget can live outside the parent window (form) that created the widget. The Window Manager gives it a border so it is treated like another form (when speaking with Windows terminology). Thus, the "window manager should handle the tab bar logic".
With windows however it is a different story. Each newly created control must be assigned to a real window with borders or what we call a "form". Thus, the "window manager should handle the tab bar logic" is voided because visually, it is not a form.
Because of the way X treats controls, it makes it a bit difficult to create an MDI and not just that but if things get messy, you may end up with a task bar button for each icon on your desktop because each object in X is treated as if it was a form equivalent in Windows. So you have to do a few extra steps to make it behave the way you'd expect to.
As far as Safari is concerned, I trully doubt that's a real title bar. It's probably a panel aligned to the top and masked to look like a title bar. With Windows you can make the entire form behave like a title bar so it's not that hard.
Edited 2009-02-28 22:43 UTC




Member since:
2007-09-08
Err... Native controls in Windows certainly do have their own window, the same as they do in X.
In both systems, a window is simply a region of the screen, which can be drawn to, can receive events, and can have a parent window. The parent window may be the desktop itself (which is also considered to be a window).
The difference is that there are far more special cases in Windows than in X. Special cases in X only occur for top-level windows, or stuff like virtual desktops, and are all handled by the window manager.
In Windows, pretty much every type of control is a special case, which adds default behaviour and appearance. But they are all still windows.