On 15/04/14 04:56 PM, Andres Fernandez wrote: >> Chromium defaults to drawing the title bar itself as part of the window, >> for the same space-saving reasons. GTK+ applications using the header >> bar still have window buttons too - by default a close button, but >> optionally minimize/maximize. >> >> Anyway, I'm pointing them out as the applications that popularized this >> feature, not as applications *only* providing this choice. > > The main reason for HeaderBar widget on core apps of Gnome is Wayland. This > is a protocol to develop compositors in replacement of the old and beloved > Xorg. In Wayland world there is no Windows Manager, so windows decoration > are in apps. That's the main reason. That's not at all true. KDE is going to be using server-side window decorations with their Wayland compositor. The GTK+ header bar is based on UX design, not anything to do with Wayland. An GTK+ application can draw client-side decorations with or without a header bar.
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