Une image dans une fenêtre avec barres de défilement.
#include <gtk/gtk.h>
static void
activate (GtkApplication *app,
gpointer user_data)
{
/* Declare variables */
GtkWidget *window;
GtkWidget *scrolled_window;
GtkWidget *image;
/* Create a window with a title, and a default size */
window = gtk_application_window_new (app);
gtk_window_set_title (GTK_WINDOW (window), "ScrolledWindow Example");
gtk_window_set_default_size (GTK_WINDOW (window), 220, 200);
/* Create the scrolled window. Usually NULL is passed for both parameters so
* that it creates the horizontal/vertical adjustments automatically. Setting
* the scrollbar policy to automatic allows the scrollbars to only show up
* when needed.
*/
scrolled_window = gtk_scrolled_window_new (NULL, NULL);
/* Set the border width */
gtk_container_set_border_width (GTK_CONTAINER (scrolled_window), 10);
/* Extract our desired image from a file that we have */
image = gtk_image_new_from_file ("gnome-image.png");
/* And add it to the scrolled window */
gtk_container_add (GTK_CONTAINER (scrolled_window), image);
/* Set the policy of the horizontal and vertical scrollbars to automatic.
* What this means is that the scrollbars are only present if needed.
*/
gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolled_window),
GTK_POLICY_AUTOMATIC,
GTK_POLICY_AUTOMATIC);
gtk_container_add (GTK_CONTAINER (window), scrolled_window);
gtk_widget_show_all (window);
}
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;
}
Dans cet exemple, les éléments suivants sont utilisés :
GtkApplication
GtkWindow
GtkScrolledWindow
GtkPolicyType