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Thread: Programming in C with Gnome/GTK

  1. #1
    Join Date
    May 2006
    Location
    In a world without window
    Beans
    133
    Distro
    Ubuntu 11.10 Oneiric Ocelot

    Programming in C with Gnome/GTK

    I am not sure this is the right forum for this question, but if not free free to bump me to the right one.

    I am running Ubuntu 12.04. I have been trying to learn how to use graphics in C. I have the Gnome 3 development files installed on my machine, which include all the GKT3 files. However, when I try to complile the following code I get a 'no such file or directory' error message referring to the gtk header files. I am sure I am missing some simple thing but I am not experienced enough to know what it is. Can someone point me in the right direction?

    Thx

    Code:
    #include <gtk/gtk.h>
     
    int main (int argc, char *argv[])
    {
        GtkWidget *window;
        GtkWidget *label;
     
        gtk_init(&argc, &argv);
     
        /* Create the main, top level window */
        window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
     
        /* Give it the title */
        gtk_window_set_title(GTK_WINDOW(window), "Hello, world!");
     
        /*
        ** Map the destroy signal of the window to gtk_main_quit;
        ** When the window is about to be destroyed, we get a notification and
        ** stop the main GTK+ loop by returning 0
        */
        g_signal_connect(window, "destroy", G_CALLBACK(gtk_main_quit), NULL);
     
        /*
        ** Assign the variable "label" to a new GTK label,
        ** with the text "Hello, world!"
        */
        label = gtk_label_new("Hello, world!");
     
        /* Plot the label onto the main window */
        gtk_container_add(GTK_CONTAINER(window), label);
     
        /* Make sure that everything, window and label, are visible */
        gtk_widget_show_all(window);
     
        /*
        ** Start the main loop, and do nothing (block) until
        ** the application is closed
        */
        gtk_main();
     
        return 0;
    }

  2. #2
    Join Date
    Apr 2012
    Beans
    4,590

    Re: Programming in C with Gnome/GTK

    You might get better advice in the programming subforum... but at the risk of making an idiot of myself how are you compiling? are you using pkg-config to add include / link flags?

    Code:
    g++ -c ... `pkg-config --cflags gtk+-3.0` ...
    Code:
    g++ -o ... `pkg-config --libs gtk+-3.0` ...

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