diff options
Diffstat (limited to 'demos/gtk-demo/images.c')
| -rw-r--r-- | demos/gtk-demo/images.c | 84 |
1 files changed, 42 insertions, 42 deletions
diff --git a/demos/gtk-demo/images.c b/demos/gtk-demo/images.c index ce22eb56aa..e7866ae3bc 100644 --- a/demos/gtk-demo/images.c +++ b/demos/gtk-demo/images.c @@ -31,14 +31,14 @@ progressive_prepared_callback (GdkPixbufLoader *loader, GtkWidget *image; image = GTK_WIDGET (data); - + pixbuf = gdk_pixbuf_loader_get_pixbuf (loader); /* Avoid displaying random memory contents, since the pixbuf * isn't filled in yet. */ gdk_pixbuf_fill (pixbuf, 0xaaaaaaff); - + gtk_image_set_from_pixbuf (GTK_IMAGE (image), pixbuf); } @@ -51,7 +51,7 @@ progressive_updated_callback (GdkPixbufLoader *loader, gpointer data) { GtkWidget *image; - + image = GTK_WIDGET (data); /* We know the pixbuf inside the GtkImage has changed, but the image @@ -61,7 +61,7 @@ progressive_updated_callback (GdkPixbufLoader *loader, * the pixbuf on the display, then we could queue a draw for only * the updated area of the image. */ - + gtk_widget_queue_draw (image); } @@ -71,24 +71,24 @@ progressive_timeout (gpointer data) GtkWidget *image; image = GTK_WIDGET (data); - + /* This shows off fully-paranoid error handling, so looks scary. * You could factor out the error handling code into a nice separate * function to make things nicer. */ - + if (image_stream) { size_t bytes_read; guchar buf[256]; GError *error = NULL; - + bytes_read = fread (buf, 1, 256, image_stream); if (ferror (image_stream)) { GtkWidget *dialog; - + dialog = gtk_message_dialog_new (GTK_WINDOW (window), GTK_DIALOG_DESTROY_WITH_PARENT, GTK_MESSAGE_ERROR, @@ -103,7 +103,7 @@ progressive_timeout (gpointer data) image_stream = NULL; gtk_widget_show (dialog); - + load_timeout = 0; return FALSE; /* uninstall the timeout */ @@ -114,7 +114,7 @@ progressive_timeout (gpointer data) &error)) { GtkWidget *dialog; - + dialog = gtk_message_dialog_new (GTK_WINDOW (window), GTK_DIALOG_DESTROY_WITH_PARENT, GTK_MESSAGE_ERROR, @@ -123,13 +123,13 @@ progressive_timeout (gpointer data) error->message); g_error_free (error); - + g_signal_connect (dialog, "response", G_CALLBACK (gtk_widget_destroy), NULL); fclose (image_stream); image_stream = NULL; - + gtk_widget_show (dialog); load_timeout = 0; @@ -151,29 +151,29 @@ progressive_timeout (gpointer data) &error)) { GtkWidget *dialog; - + dialog = gtk_message_dialog_new (GTK_WINDOW (window), GTK_DIALOG_DESTROY_WITH_PARENT, GTK_MESSAGE_ERROR, GTK_BUTTONS_CLOSE, "Failed to load image: %s", error->message); - + g_error_free (error); - + g_signal_connect (dialog, "response", G_CALLBACK (gtk_widget_destroy), NULL); - + gtk_widget_show (dialog); g_object_unref (pixbuf_loader); pixbuf_loader = NULL; - + load_timeout = 0; - + return FALSE; /* uninstall the timeout */ } - + g_object_unref (pixbuf_loader); pixbuf_loader = NULL; } @@ -182,7 +182,7 @@ progressive_timeout (gpointer data) { gchar *filename; gchar *error_message = NULL; - GError *error = NULL; + GError *error = NULL; /* demo_find_file() looks in the current directory first, * so you can run gtk-demo without installing GTK, then looks @@ -207,7 +207,7 @@ progressive_timeout (gpointer data) if (image_stream == NULL) { GtkWidget *dialog; - + dialog = gtk_message_dialog_new (GTK_WINDOW (window), GTK_DIALOG_DESTROY_WITH_PARENT, GTK_MESSAGE_ERROR, @@ -217,7 +217,7 @@ progressive_timeout (gpointer data) g_signal_connect (dialog, "response", G_CALLBACK (gtk_widget_destroy), NULL); - + gtk_widget_show (dialog); load_timeout = 0; @@ -231,13 +231,13 @@ progressive_timeout (gpointer data) g_object_unref (pixbuf_loader); pixbuf_loader = NULL; } - + pixbuf_loader = gdk_pixbuf_loader_new (); - - g_signal_connect (pixbuf_loader, "area_prepared", + + g_signal_connect (pixbuf_loader, "area-prepared", G_CALLBACK (progressive_prepared_callback), image); - - g_signal_connect (pixbuf_loader, "area_updated", + + g_signal_connect (pixbuf_loader, "area-updated", G_CALLBACK (progressive_updated_callback), image); } @@ -269,7 +269,7 @@ cleanup_callback (GtkObject *object, g_source_remove (load_timeout); load_timeout = 0; } - + if (pixbuf_loader) { gdk_pixbuf_loader_close (pixbuf_loader, NULL); @@ -289,7 +289,7 @@ toggle_sensitivity_callback (GtkWidget *togglebutton, GtkContainer *container = user_data; GList *list; GList *tmp; - + list = gtk_container_get_children (container); tmp = list; @@ -299,13 +299,13 @@ toggle_sensitivity_callback (GtkWidget *togglebutton, if (GTK_WIDGET (tmp->data) != togglebutton) gtk_widget_set_sensitive (GTK_WIDGET (tmp->data), !gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (togglebutton))); - + tmp = tmp->next; } g_list_free (list); } - + GtkWidget * do_images (GtkWidget *do_widget) @@ -319,7 +319,7 @@ do_images (GtkWidget *do_widget) GdkPixbuf *pixbuf; GError *error = NULL; char *filename; - + if (!window) { window = gtk_window_new (GTK_WINDOW_TOPLEVEL); @@ -342,7 +342,7 @@ do_images (GtkWidget *do_widget) gtk_label_set_markup (GTK_LABEL (label), "<u>Image loaded from a file</u>"); gtk_box_pack_start (GTK_BOX (vbox), label, FALSE, FALSE, 0); - + frame = gtk_frame_new (NULL); gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_IN); /* The alignment keeps the frame from growing when users resize @@ -373,7 +373,7 @@ do_images (GtkWidget *do_widget) * be displayed instead. */ GtkWidget *dialog; - + dialog = gtk_message_dialog_new (GTK_WINDOW (window), GTK_DIALOG_DESTROY_WITH_PARENT, GTK_MESSAGE_ERROR, @@ -381,13 +381,13 @@ do_images (GtkWidget *do_widget) "Unable to open image file 'gtk-logo-rgb.gif': %s", error->message); g_error_free (error); - + g_signal_connect (dialog, "response", G_CALLBACK (gtk_widget_destroy), NULL); - + gtk_widget_show (dialog); } - + image = gtk_image_new_from_pixbuf (pixbuf); gtk_container_add (GTK_CONTAINER (frame), image); @@ -399,7 +399,7 @@ do_images (GtkWidget *do_widget) gtk_label_set_markup (GTK_LABEL (label), "<u>Animation loaded from a file</u>"); gtk_box_pack_start (GTK_BOX (vbox), label, FALSE, FALSE, 0); - + frame = gtk_frame_new (NULL); gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_IN); /* The alignment keeps the frame from growing when users resize @@ -414,16 +414,16 @@ do_images (GtkWidget *do_widget) g_free (filename); gtk_container_add (GTK_CONTAINER (frame), image); - + /* Progressive */ - - + + label = gtk_label_new (NULL); gtk_label_set_markup (GTK_LABEL (label), "<u>Progressive image loading</u>"); gtk_box_pack_start (GTK_BOX (vbox), label, FALSE, FALSE, 0); - + frame = gtk_frame_new (NULL); gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_IN); /* The alignment keeps the frame from growing when users resize |