I got it to work with compton compositing manager. thank you Antonio and Germán.
this command worked for me: compton --detect-client-opacity > Hi, > > This is from the GTK documentation (used in IUP for the opacity attribute): > > "gtk_widget_set_opacity () > > void gtk_widget_set_opacity (GtkWidget *widget, double opacity); > > Request the widget to be rendered partially transparent, with opacity 0 being > fully transparent and 1 fully opaque. (Opacity values are clamped to the > [0,1] range.). This works on both toplevel widget, and child widgets, > although there are some limitations: > > For toplevel widgets this depends on the capabilities of the windowing > system. On X11 this has any effect only on X screens with a compositing > manager running. See gtk_widget_is_composited(). On Windows it should work > always, although setting a window’s opacity after the window has been shown > causes it to flicker once on Windows. > > For child widgets it doesn’t work if any affected widget has a native window, > or disables double buffering." > > Best, > > Scuri > > Em 01/07/2016 04:09, "anon anon" <[email protected]> escreveu: > >> i never would have figured a compositing manager had anything to do with it >> because i didnt know what a compositing manager was! i installed and tried >> xcompmgr and it looks promising because it makes all the windows fade in and >> out. it didnt work but i think i will try a better compositing manager >> tomorrow. >> >>> OK, it works in Xfce if I enable the compositing manager. So, try it in >> >>> your LXDE desktop. >> >>> >> >>> Germán. >> >>> >> >>> El vie, 01-07-2016 a las 05:48 +0300, anon anon escribió: >> >>> >> >>>> thanks a lot. something in gnome must be needed for that attribute. i dont >>>> even have it installed on my computer. fyi im using LXDE and i tried >>>> openbox but neither one works with opacity by default. >> >>>> >> >>>>> Maybe a problem with your window manager or session. A simple test don't >> >>>>> works for me on Xfce, but works perfectly on Gnome3. But if I first >> >>>>> start session on Gnome3, and then in Xfce, it works!. Seems like if Xfce >> >>>>> don't starts some service needed to handle transparency. >> >>>>> >> >>>>> Germán >> >>>>> >> >>>>> El vie, 01-07-2016 a las 02:03 +0300, anon anon escribió: >> >>>>> >> >>>>>> good it must be isolated on my computer. opacity is the only attribute >>>>>> on my computer i've noticed that has no effect. what do you all think >>>>>> could be wrong? i dont know but my guesses are: >> >>>>>> -i didnt compile iup correctly (maybe missing a dependency?) >> >>>>>> -libraries for opacity not getting loaded in linker. i compiled with: cc >>>>>> -o out in.c "$IUPLIBFOLDER/libiup.a" $(pkg-config --libs gtk+-2.0 >>>>>> gdk-2.0) >> >>>>>> -maybe a random bug in the version of gtk i have >> >>>>>> thanks for clearing up the C question. >> >>>>>> >> >>>>>>> Hi, >> >>>>>>> >> >>>>>>> I just tested in GTK 2.20 and it worked ok with >> >>>>>>> >> >>>>>>> IupSetAttribute(dialog,"OPACITY","128"); >> >>>>>>> >> >>>>>>> Notice that a value of "1" is almost fully transparent. >> >>>>>>> >> >>>>>>> The new C++ api will be a complement, not a replacement. >> >>>>>>> >> >>>>>>> Best, >> >>>>>>> Scuri >> >>>>>>> >> >>>>>>> On Thu, Jun 30, 2016 at 1:00 AM, anon anon <[email protected]> wrote: >> >>>>>>> >> >>>>>>>> using linux with gtk version greater than 2.12. compiles fine but >>>>>>>> opacity does not work. i didnt see anything about it on to do list >>>>>>>> etc. so im asking here. i didnt try to reproduce it on a different >>>>>>>> machine. anyone else have this problem? question not related: is iup >>>>>>>> 4.x going to support C? >> >>>>>>>> >> >>>>>>>> my C code: >> >>>>>>>> >> >>>>>>>> IupSetAttribute(dialog,"OPACITY","1"); >> >>>>>>>> >> >>>>>>>> ------------------------------------------------------------------------------ >> >>>>>>>> >> >>>>>>>> Attend Shape: An AT&T Tech Expo July 15-16. Meet us at AT&T Park in San >> >>>>>>>> >> >>>>>>>> Francisco, CA to explore cutting-edge tech and listen to tech >>>>>>>> luminaries >> >>>>>>>> >> >>>>>>>> present their vision of the future. This family event has something for >> >>>>>>>> >> >>>>>>>> everyone, including kids. Get more information and register today. >> >>>>>>>> >> >>>>>>>> http://sdm.link/attshape >> >>>>>>>> >> >>>>>>>> _______________________________________________ >> >>>>>>>> >> >>>>>>>> Iup-users mailing list >> >>>>>>>> >> >>>>>>>> [email protected] >> >>>>>>>> >> >>>>>>>> https://lists.sourceforge.net/lists/listinfo/iup-users >> >>>>>> >> >>>>>> ------------------------------------------------------------------------------ >> >>>>>> Attend Shape: An AT&T Tech Expo July 15-16. Meet us at AT&T Park in San >> >>>>>> Francisco, CA to explore cutting-edge tech and listen to tech luminaries >> >>>>>> present their vision of the future. This family event has something for >> >>>>>> everyone, including kids. Get more information and register today. >> >>>>>> http://sdm.link/attshape >> >>>>>> _______________________________________________ >> >>>>>> Iup-users mailing list >> >>>>>> [email protected] >> >>>>>> https://lists.sourceforge.net/lists/listinfo/iup-users >> >>>>> >> >>>>> ------------------------------------------------------------------------------ >> >>>>> Attend Shape: An AT&T Tech Expo July 15-16. Meet us at AT&T Park in San >> >>>>> Francisco, CA to explore cutting-edge tech and listen to tech luminaries >> >>>>> present their vision of the future. This family event has something for >> >>>>> everyone, including kids. Get more information and register today. >> >>>>> http://sdm.link/attshape >> >>>>> _______________________________________________ >> >>>>> Iup-users mailing list >> >>>>> [email protected] >> >>>>> https://lists.sourceforge.net/lists/listinfo/iup-users >> >>>> >> >>>> ------------------------------------------------------------------------------ >> >>>> Attend Shape: An AT&T Tech Expo July 15-16. Meet us at AT&T Park in San >> >>>> Francisco, CA to explore cutting-edge tech and listen to tech luminaries >> >>>> present their vision of the future. This family event has something for >> >>>> everyone, including kids. Get more information and register today. >> >>>> http://sdm.link/attshape >> >>>> _______________________________________________ >> >>>> Iup-users mailing list >> >>>> [email protected] >> >>>> https://lists.sourceforge.net/lists/listinfo/iup-users >> >>> >> >>> ------------------------------------------------------------------------------ >> >>> Attend Shape: An AT&T Tech Expo July 15-16. Meet us at AT&T Park in San >> >>> Francisco, CA to explore cutting-edge tech and listen to tech luminaries >> >>> present their vision of the future. This family event has something for >> >>> everyone, including kids. Get more information and register today. >> >>> http://sdm.link/attshape >> >>> _______________________________________________ >> >>> Iup-users mailing list >> >>> [email protected] >> >>> https://lists.sourceforge.net/lists/listinfo/iup-users >> >> ------------------------------------------------------------------------------ >> >> Attend Shape: An AT&T Tech Expo July 15-16. Meet us at AT&T Park in San >> >> Francisco, CA to explore cutting-edge tech and listen to tech luminaries >> >> present their vision of the future. This family event has something for >> >> everyone, including kids. Get more information and register today. >> >> http://sdm.link/attshape >> >> _______________________________________________ >> >> Iup-users mailing list >> >> [email protected] >> >> https://lists.sourceforge.net/lists/listinfo/iup-users ------------------------------------------------------------------------------ Attend Shape: An AT&T Tech Expo July 15-16. Meet us at AT&T Park in San Francisco, CA to explore cutting-edge tech and listen to tech luminaries present their vision of the future. This family event has something for everyone, including kids. Get more information and register today. http://sdm.link/attshape _______________________________________________ Iup-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/iup-users
