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Updated grid-packing to GtkApplication.

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This commit is contained in:
Bastian Ilsø 2015-02-14 21:24:20 +01:00
parent b187773053
commit 0080224fdb
2 changed files with 23 additions and 22 deletions
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5
docs/reference/gtk/getting_started.xml
View File

@ -169,9 +169,8 @@
<title>Packing</title>
<para>When creating an application, you'll want to put more than one widget
inside a window. Our first helloworld example only used one widget so we
could simply use a gtk_container_add() call to "pack" the widget into the
window. But when you want to put more than one widget into a window, it
inside a window.
When you want to put more than one widget into a window, it
it becomes important to control how each widget is positioned and sized.
This is where packing comes in.</para>

40
examples/grid-packing.c
View File

@ -7,23 +7,17 @@ print_hello (GtkWidget *widget,
g_print ("Hello World\n");
}
int
main (int argc,
char *argv[])
static void
activate (GtkApplication *app,
gpointer user_data)
{
GtkWidget *window;
GtkWidget *grid;
GtkWidget *button;
/* This is called in all GTK applications. Arguments are parsed
* from the command line and are returned to the application.
*/
gtk_init (&argc, &argv);
/* create a new window, and set its title */
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
gtk_window_set_title (GTK_WINDOW (window), "Grid");
g_signal_connect (window, "destroy", G_CALLBACK (gtk_main_quit), NULL);
window = gtk_application_window_new (app);
gtk_window_set_title (GTK_WINDOW (window), "Window");
gtk_container_set_border_width (GTK_CONTAINER (window), 10);
/* Here we construct the container that is going pack our buttons */
@ -49,7 +43,7 @@ main (int argc,
gtk_grid_attach (GTK_GRID (grid), button, 1, 0, 1, 1);
button = gtk_button_new_with_label ("Quit");
g_signal_connect (button, "clicked", G_CALLBACK (gtk_main_quit), NULL);
g_signal_connect_swapped (button, "clicked", G_CALLBACK (gtk_widget_destroy), window);
/* Place the Quit button in the grid cell (0, 1), and make it
* span 2 columns.
@ -63,11 +57,19 @@ main (int argc,
*/
gtk_widget_show_all (window);
/* All GTK applications must have a gtk_main(). Control ends here
* and waits for an event to occur (like a key press or a mouse event),
* until gtk_main_quit() is called.
*/
gtk_main ();
return 0;
}
int
main (int argc,
char **argv)
{
GtkApplication *app;
int status;
app = gtk_application_new ("org.gtk.example", 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;
}