Hello, Yes, g_desktop_app_info_search() is exactly what I need. I will test it later.
Thanks a lot for your help. // Moma tito-wolit <tito-wo...@tiscali.it> escreveu no dia segunda, 4/03/2019 à(s) 06:59: > > > On 3/3/19 9:53 PM, Osmo Antero wrote: > > Hello Tito, > > Muito obrigado. > > Thank you, the call with "kde4-" worked fine. > > > > However, the "DesktopEntry" value from Amarok/DBus does not contain the > "kde4" part. > > Please see the MRIS2-spec: > https://specifications.freedesktop.org/mpris-spec/latest/Media_Player.html#Property:DesktopEntry > > My application cannot guess that it must include the "kde4" to get a > valid .desktop file. > > I think g_desktop_app_info_new() should also browse all sub-directories, > but is does not. > > Hi, > > GDesktopAppInfo *app_info = > g_desktop_app_info_new("org.kde.amarok.desktop"); > if (app_info == NULL ) > app_info = g_desktop_app_info_new("kde-org.kde.amarok.desktop"); > if (app_info == NULL ) > app_info = g_desktop_app_info_new("kde2-org.kde.amarok.desktop"); > if (app_info == NULL ) > app_info = g_desktop_app_info_new("kde3-org.kde.amarok.desktop"); > if (app_info == NULL ) > app_info = g_desktop_app_info_new("kde4-org.kde.amarok.desktop"); > if (app_info == NULL ) > app_info = g_desktop_app_info_new("kde5-org.kde.amarok.desktop"); > else > puts("can't find org.kde.amarok.desktop") > > BTW: debian does set only: > > XDG_DATA_DIRS=/usr/share/xfce4:/usr/local/share/:/usr/share/:/usr/share > > maybe g_desktop_app_info_search ("amarok"); > and then app_info = g_desktop_app_info_new(**strv); > > g_desktop_app_info_search () > > gchar *** > g_desktop_app_info_search (const gchar *search_string); > > Searches desktop files for ones that match search_string . > > The return value is an array of strvs. Each strv contains a list of > applications that matched search_string with an equal score. > The outer list is sorted by score so that the first strv contains the > best-matching applications, and so on. > The algorithm for determining matches is undefined and may change at any > time. > > Ciao, > Tito > > > One possible solutions is this: > > The application should find the real location and path of > "org.kde.amarok.desktop". > > The "locate" command does the same thing. > > My app cannot call "locate" directly because it depends on "sudo > updatedb". > > I will write my own routine that dives to usr/share/applications/ and > its sub folders. > > This is my best shot ! > > > > Then the app can call: > > GDesktopAppInfo *g_desktop_app_info_new_from_filename(const char > *filename); > > > > My very old app is this: (the latest is v3.0.2) > > https://launchpad.net/~audio-recorder > > > > Thanks, > > Obrigado e boa noite. > > // Moma > > Portugal > > > > > > > > > > tito-wolit via gtk-app-devel-list <firstname.lastname@example.org <mailto: > email@example.com>> escreveu no dia domingo, 3/03/2019 à(s) > 19:42: > > > > > > > > On 3/3/19 6:36 PM, Osmo Antero via gtk-app-devel-list wrote: > > > Hello, > > > I have an application that uses g_desktop_app_info_new() function > to > > > find GDesktopAppInfo. > > > > > > I just wonder why the g_desktop_app_info_new() FAILS to find the > > > GDesktopAppInfo if the .desktop file is in a sub directory > > > under usr/share/applications/. > > > > > > So this fails: > > > GDesktopAppInfo *app_info = > g_desktop_app_info_new("org.kde.amarok.desktop") > > > > hi, > > try: > > > > GDesktopAppInfo *app_info = > g_desktop_app_info_new("kde4-org.kde.amarok.desktop") > > > > ciao, > > Tito > > > > > If the "org.kde.amarok.desktop" file is located in: > > > /usr/share/applications/kde4/org.kde.amarok.desktop > > > This is the default location of Amarok player. > > > --- > > > Then I move the file "org.kde.amarok.desktop" to > /usr/share/applications/. > > > > > > $ sudo mv /usr/share/applications/kde4/org.kde.amarok.desktop > > > /usr/share/applications/org.kde.amarok.desktop > > > > > > $ sudo updatedb > > > $ locate org.kde.amarok.desktop > > > /usr/share/applications/org.kde.amarok.desktop > > > > > > Now the call succeeds. It returns GDesktopAppInfo structure. > > > GDesktopAppInfo *app_info = > g_desktop_app_info_new("org.kde.amarok.desktop") > > > > > > Something is wrong, because the manual says that the desktop file > can stay > > > in a sub directory: > > > > > > """" > > > g_desktop_app_info_new () > > > GDesktopAppInfo * g_desktop_app_info_new (const char *desktop_id); > > > > > > Creates a new GDesktopAppInfo based on a desktop file id. > > > > > > A desktop file id is the basename of the desktop file, including > the > > > .desktop extension. GIO is looking for a desktop file with this > name in the > > > applications subdirectories of the XDG data directories (i.e. the > > > directories specified in the XDG_DATA_HOME and XDG_DATA_DIRS > environment > > > variables). GIO also supports the prefix-to-subdirectory mapping > that is > > > described in the Menu Spec (i.e. a desktop id of kde-foo.desktop > will > > > match/usr/share/applications/kde/foo.desktop). > > > """" > > > > > > Just for info: > > > My application gets the "org.kde.amarok.desktop" name from Amarok > via the > > > MPRIS2 DBus-interface. Please see "DesktopEntry" of > > > > https://specifications.freedesktop.org/mpris-spec/latest/Media_Player.html#Property:DesktopEntry > > > > > > Please educate me. > > > > > > Kindly > > > Osmo Moma Antero > > > Portugal > > > > > _______________________________________________ > > gtk-app-devel-list mailing list > > firstname.lastname@example.org <mailto:email@example.com> > > https://mail.gnome.org/mailman/listinfo/gtk-app-devel-list > > > > > > > > -- > > Sent from my PC, laptop or phone with Ubuntu-Linux. > -- Sent from my PC, laptop or phone with Ubuntu-Linux. _______________________________________________ gtk-app-devel-list mailing list firstname.lastname@example.org https://mail.gnome.org/mailman/listinfo/gtk-app-devel-list