On Mon, 7 Jun 2021 10:30:33 GMT, Maxim Kartashev <github.com+28651297+mkartas...@openjdk.org> wrote:
>> This commit introduces a new client property xawt.mwm_decor_title >> implementing JDK-8267307. The property can be set prior to showing a window >> or after the window has been displayed, in which case the window will have >> to be hidden/shown (re-mapped) for the property to take effect. >> >> The general idea is to provide control over the "decorations" part of the >> X11 window property called _MOTIF_WM_HINTS. Those "decoration" bits are set >> to 1 (XWindowAttributesData.AWT_DECOR_ALL) to show all the decorations or 0 >> (XWindowAttributesData.AWT_DECOR_NONE) to ask the window manager (WM) not to >> decorate with anything, even borders or resize handles. With >> xawt.mwm_decor_title property set to "true", this commit adds the ability to >> set the bits to 2 (XWindowAttributesData.AWT_DECOR_BORDER), which some WMs >> take as "decorate with only a border", thus effectively removing the >> window's title bar, but still leaving the resize capability. >> >> This feature was tested and works correctly on "vanilla" Ubuntu 20.04 with >> the "GNOME Shell" window manager. It was also tested with Xfwm4 and KDE, >> where it did not have any effect; these two WMs have limited respected for >> the "decorations" bits of the _MOTIF_WM_HINTS window property. > > Maxim Kartashev has updated the pull request incrementally with one > additional commit since the last revision: > > Changed the check for the XDecoratedPeer target being > javax.swing.RootPaneContainer in > order to avoid unnecessary class loading if it isn't. Looks fine, I'll run the tests. ------------- PR: https://git.openjdk.java.net/jdk/pull/4113