Update Tutorial.md [skip ci]
@@ -31,6 +31,9 @@ looks like this.
```c
#include <stdio.h>
+//
+// main is where all program execution starts
+//
int main(int argc, char **argv) {
printf("Hello there.\n");
return 0;
@@ -53,7 +56,7 @@ to initialize the build by going into the source directory and issuing
the following commands.
```console
-$ meson builddir
+$ meson setup builddir
```
We create a separate build directory to hold all of the compiler
@@ -110,17 +113,40 @@ create a graphical window instead. We'll use the
use GTK+. The new version looks like this.
```c
+
#include <gtk/gtk.h>
-int main(int argc, char **argv) {
- GtkWidget *win;
- gtk_init(&argc, &argv);
- win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
- gtk_window_set_title(GTK_WINDOW(win), "Hello there");
- g_signal_connect(win, "destroy", G_CALLBACK(gtk_main_quit), NULL);
- gtk_widget_show(win);
- gtk_main();
-}
+//
+// Should provided the active view for a GTK application
+//
+static void activate(GtkApplication* app, gpointer user_data)
+{
+ GtkWidget *window;
+ GtkWidget *label;
+
+ window = gtk_application_window_new (app);
+ label = gtk_label_new("Hello GNOME!");
+ gtk_container_add (GTK_CONTAINER (window), label);
+ gtk_window_set_title(GTK_WINDOW (window), "Welcome to GNOME");
+ gtk_window_set_default_size(GTK_WINDOW (window), 200, 100);
+ gtk_widget_show_all(window);
+} // end of function activate
+
+//
+// main is where all program execution starts
+//
+int main(int argc, char **argv)
+{
+ GtkApplication *app;
+ int status;
+
+ app = gtk_application_new(NULL, G_APPLICATION_FLAGS_NONE);
+ g_signal_connect(app, "activate", G_CALLBACK(activate), NULL);
+ status = g_application_run(G_APPLICATION(app), argc, argv);
+ g_object_unref(app);
+
+ return status;
+} // end of function main
```
Then we edit the Meson file, instructing it to find and use the GTK+
