On Wednesday, September 16, 2015 02:41:48 PM Grant Edwards wrote: > On 2015-09-16, J. Roeleveld <jo...@antarean.org> wrote: > > On Tuesday, September 15, 2015 06:57:36 PM Grant Edwards wrote: > >> On 2015-09-15, Grant Edwards <grant.b.edwa...@gmail.com> wrote: > >> > In most X11 apps I can select some text and then paste it somewhere > >> > else with a middle-click, or dump it to stdout with the command 'xclip > >> > -o'. That doesn't work for highligted text in gtk-3 apps (meld, > >> > evince, audacious, etc.). After selecting text in a gtk-3 app, if I > >> > middle-click in a terminal window it does nothing and 'xclip -o' just > >> > hangs. Selecting text elsewhere will deselect the text in the gtk-3 > >> > app, so gtk-3 isn't _completely_ ignoring X11 clipboards/buffers. > >> > > >> > Any ideas why gtk-3 copy/paste is broken and how to fix it? > >> > >> Ah, it turns out it's only a problem if you have multiple screens: you > >> can only paste a gtk-3 selection if the destination is on the same X11 > >> screen as the source. I'm pretty sure this is a known problem, but > >> I'm having trouble finding it again in the Gnome bugtracker... > > > > Must be related to gtk-3 then. > > > > I use 2 screens extensively and never experienced any issues like you > > describe. > > And you can select/paste from one screen to another where the source > is a gtk-3 app?
Not sure, need to test with a gtk-3 app. I run KDE myself. > I should clarify that I mean "screen" in the strict X11 usage. Using > Xinerama or the like to spread a single desktop across multiple > monitors is still a single screen setup. I'm trying to select text on > DISPLAY=:0.0 and paste it on DISPLAY=:0.1 Not using my desktop atm. What does Xorg do by default when it detects multiple screens? > > Am surprised it would respond differently between GTK-3 and non-GTK-3 > > apps. > > I'm not. When somebody selects something, you've got to make onr or > more Xlib function calls to grab control of the selection, and if > you're naive and think that the screen where your program is running > is the only one, then you only make the call to grab control of the > selection for that screen. Apparently the gtk-3 developers never > thought about the possibility that there are mutliple screens in an > X11 session. Bad design then, as systems with multiple screens have been around for years. > > I don't configure anything special for multiple screens in the past > > few years. > > Are you really using multiple screens? Or a single screen spread > across mutliple monitors? If you start an xterm on every monitor and > do "echo $DISPLAY" in each one, do you get different results or are > they all the same? As I said, what's the default with Xorg? -- Joost
