GtkAda is also object-oriented, and so is any other high-level GUI toolkit I’ve seen so far, so I don’t think you can avoid object-oriented programming for the GUI, unless you use a more low-level approach. Two more low-level approaches are: An HTTP/HTML based interface. Using the X protocol to talk directly with an X server. … Read more
You don’t need to use a GtkTreeIter for this, the GtkTreePath API is enough. You’re throwing your path away before using it, which creates problems. Here’s how to do it: GtkTreePath *path = gtk_tree_path_new_from_indices(3, -1); gtk_tree_selection_select_path(treeview_selection, path); gtk_tree_path_free(path); UPDATE: I rewrote the code completely to drop use of GtkTreeIter, I originally thought that you wanted … Read more
If your IDE handles CMake and Meson, it should be able to detect your project files. I’d say go for Meson, it’s the future, and CMake syntax has a few quirks that Meson doesn’t. Meson: Meson documentation He’s a basic meson.build that expects to find your application code in main.c and produces a binary named … Read more
Seems like gtk_widget_show() returns void. That’s the void expression you are using in an invalid way. http://library.gnome.org/devel/gtk/2.99/GtkWidget.html solved Error: Invalid use of void expression [closed]