initial gtk2 examples

1 files changed, 91 insertions, 0 deletions

diff --git a/gtkimgpaint.c b/gtkimgpaint.c
new file mode 100644
index 0000000..853c03f
--- /dev/null
+++ b/gtkimgpaint.c
@@ -0,0 +1,91 @@
+#include <gtk/gtk.h>
+#include <glib/gi18n.h>
+
+static void
+on_open_image (GtkButton* button, gpointer user_data)
+{
+	GtkWidget *image = GTK_WIDGET (user_data);
+	GtkWidget *toplevel = gtk_widget_get_toplevel (image);
+	GtkFileFilter *filter = gtk_file_filter_new ();
+	GtkWidget *dialog = gtk_file_chooser_dialog_new (_("Open image"),
+	                                                 GTK_WINDOW (toplevel),
+	                                                 GTK_FILE_CHOOSER_ACTION_OPEN,
+	                                                 GTK_STOCK_OK, GTK_RESPONSE_ACCEPT,
+	                                                 GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
+	                                                 NULL);
+
+	gtk_file_filter_add_pixbuf_formats (filter);
+	gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (dialog),
+	                             filter);
+
+	switch (gtk_dialog_run (GTK_DIALOG (dialog)))
+	{
+		case GTK_RESPONSE_ACCEPT:
+		{
+			gchar *filename = 
+				gtk_file_chooser_get_filename (GTK_FILE_CHOOSER (dialog));
+			gtk_image_set_from_file (GTK_IMAGE (image), filename);
+			break;
+		}
+		default:
+			break;
+	}
+	gtk_widget_destroy (dialog);
+}
+
+
+static GtkWidget*
+create_window (void)
+{
+	GtkWidget *window;
+	GtkWidget *button;
+	GtkWidget *image;
+	GtkWidget *box;
+
+	/* Set up the UI */
+	window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
+	gtk_window_set_title (GTK_WINDOW (window), "image-viewer-c");
+
+	box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 5);
+	button = gtk_button_new_with_label (_("Open image"));
+	image = gtk_image_new ();
+
+	gtk_box_pack_start (GTK_BOX (box), image, TRUE, TRUE, 0);
+	gtk_box_pack_start (GTK_BOX (box), button, FALSE, FALSE, 0);
+
+	gtk_container_add (GTK_CONTAINER (window), box);
+
+	/* Connect signals */
+
+	/* Show open dialog when opening a file */
+	g_signal_connect (button, "clicked", G_CALLBACK (on_open_image), image);
+
+	/* Exit when the window is closed */
+	g_signal_connect (window, "destroy", G_CALLBACK (gtk_main_quit), NULL);
+
+	return window;
+}
+
+
+int
+main (int argc, char *argv[])
+{
+ 	GtkWidget *window;
+
+
+#ifdef ENABLE_NLS
+	bindtextdomain (GETTEXT_PACKAGE, PACKAGE_LOCALE_DIR);
+	bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");
+	textdomain (GETTEXT_PACKAGE);
+#endif
+
+
+	gtk_init (&argc, &argv);
+
+	window = create_window ();
+	gtk_widget_show_all (window);
+
+	gtk_main ();
+	return 0;
+}
+