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Commit ecac9b5b authored by Andy Hertzfeld's avatar Andy Hertzfeld
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made the throbber anti-aliased by using a nautilus_image widget to do the 


	* src/nautilus-throbber.c: (nautilus_throbber_initialize_class),
	(nautilus_throbber_initialize), (bump_throbber_frame),
	(nautilus_throbber_start), (nautilus_throbber_stop):

	made the throbber anti-aliased by using a nautilus_image widget
	to do the drawing.
parent 5a6716ae
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ChangeLog
View file @ ecac9b5b
2001-01-09 Andy Hertzfeld <andy@eazel.com>
* src/nautilus-throbber.c: (nautilus_throbber_initialize_class),
(nautilus_throbber_initialize), (bump_throbber_frame),
(nautilus_throbber_start), (nautilus_throbber_stop):
made the throbber anti-aliased by using a nautilus_image widget
to do the drawing.
2001-01-04 Andy Hertzfeld <andy@eazel.com>
 
* components/rss-control/nautilus-rss-control.c:
......
src/nautilus-throbber.c
View file @ ecac9b5b
......@@ -44,6 +44,7 @@
#include <libnautilus-extensions/nautilus-glib-extensions.h>
#include <libnautilus-extensions/nautilus-global-preferences.h>
#include <libnautilus-extensions/nautilus-icon-factory.h>
#include <libnautilus-extensions/nautilus-image.h>
#include <libnautilus-extensions/nautilus-file-utilities.h>
#include <libnautilus-extensions/nautilus-theme.h>
......@@ -53,6 +54,7 @@ struct NautilusThrobberDetails {
GList *image_list;
GdkPixbuf *quiescent_pixbuf;
NautilusImage *image_widget;
int max_frame;
int current_frame;
......@@ -69,10 +71,6 @@ static guint signals[LAST_SIGNAL];
static void nautilus_throbber_initialize_class (NautilusThrobberClass *klass);
static void nautilus_throbber_initialize (NautilusThrobber *throbber);
static void nautilus_throbber_destroy (GtkObject *object);
static void nautilus_throbber_draw (GtkWidget *widget,
GdkRectangle *box);
static int nautilus_throbber_expose (GtkWidget *widget,
GdkEventExpose *event);
static gboolean nautilus_throbber_button_press_event (GtkWidget *widget,
GdkEventButton *event);
static void nautilus_throbber_load_images (NautilusThrobber *throbber);
......@@ -104,8 +102,6 @@ nautilus_throbber_initialize_class (NautilusThrobberClass *throbber_class)
object_class->destroy = nautilus_throbber_destroy;
widget_class->draw = nautilus_throbber_draw;
widget_class->expose_event = nautilus_throbber_expose;
widget_class->button_press_event = nautilus_throbber_button_press_event;
widget_class->size_allocate = nautilus_throbber_size_allocate;
widget_class->size_request = nautilus_throbber_size_request;
......@@ -167,12 +163,13 @@ get_throbber_dimensions (NautilusThrobber *throbber, int *throbber_width, int* t
static void
nautilus_throbber_initialize (NautilusThrobber *throbber)
{
GtkWidget *widget = GTK_WIDGET (throbber);
GTK_WIDGET_UNSET_FLAGS (throbber, GTK_NO_WINDOW);
gtk_widget_set_events (widget,
gtk_widget_get_events (widget) | GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK);
throbber->details = g_new0 (NautilusThrobberDetails, 1);
/* set up the instance variables to appropriate defaults */
......@@ -180,7 +177,13 @@ nautilus_throbber_initialize (NautilusThrobber *throbber)
/* allocate the pixmap that holds the image */
nautilus_throbber_load_images (throbber);
throbber->details->image_widget = NAUTILUS_IMAGE (nautilus_image_new ());
gtk_widget_show (GTK_WIDGET (throbber->details->image_widget));
gtk_container_add (GTK_CONTAINER (throbber), GTK_WIDGET (throbber->details->image_widget));
nautilus_image_set_pixbuf (throbber->details->image_widget, throbber->details->quiescent_pixbuf);
/* add a callback for when the theme changes */
nautilus_preferences_add_callback (NAUTILUS_PREFERENCES_THEME,
nautilus_throbber_theme_changed,
......@@ -208,17 +211,6 @@ nautilus_throbber_theme_changed (gpointer user_data)
}
/* utility to simplify drawing */
static void
draw_pixbuf (GdkPixbuf *pixbuf, GdkDrawable *drawable, int x, int y)
{
gdk_pixbuf_render_to_drawable_alpha (pixbuf, drawable, 0, 0, x, y,
gdk_pixbuf_get_width (pixbuf),
gdk_pixbuf_get_height (pixbuf),
GDK_PIXBUF_ALPHA_BILEVEL, 128, GDK_RGB_DITHER_MAX,
0, 0);
}
/* here's the routine that selects the image to draw, based on the throbber's state */
static GdkPixbuf *
......@@ -237,58 +229,22 @@ select_throbber_image (NautilusThrobber *throbber)
return (GdkPixbuf*) element->data;
}
/* draw the throbber into the passed-in rectangle */
static void
draw_throbber_image (GtkWidget *widget, GdkRectangle *box)
{
NautilusThrobber *throbber;
GdkPixbuf *pixbuf;
throbber = NAUTILUS_THROBBER (widget);
pixbuf = select_throbber_image (throbber);
draw_pixbuf (pixbuf, widget->window, box->x, box->y);
}
static void
nautilus_throbber_draw (GtkWidget *widget, GdkRectangle *box)
{
g_return_if_fail (widget != NULL);
g_return_if_fail (NAUTILUS_IS_THROBBER (widget));
draw_throbber_image (widget, box);
}
/* handle expose events */
static int
nautilus_throbber_expose (GtkWidget *widget, GdkEventExpose *event)
{
GdkRectangle box;
g_return_val_if_fail (widget != NULL, FALSE);
g_return_val_if_fail (NAUTILUS_IS_THROBBER (widget), FALSE);
box.x = 0; box.y = 0;
box.width = widget->allocation.width;
box.height = widget->allocation.height;
draw_throbber_image (widget, &box);
return FALSE;
}
/* here's the actual timeout task to bump the frame and schedule a redraw */
static int
bump_throbber_frame (NautilusThrobber *throbber)
{
GdkPixbuf *pixbuf;
throbber->details->current_frame += 1;
if (throbber->details->current_frame > throbber->details->max_frame - 1) {
throbber->details->current_frame = 0;
}
pixbuf = select_throbber_image (throbber);
nautilus_image_set_pixbuf (throbber->details->image_widget, pixbuf);
gtk_widget_queue_draw (GTK_WIDGET (throbber));
return TRUE;
}
......@@ -304,6 +260,8 @@ nautilus_throbber_start (NautilusThrobber *throbber)
/* reset the frame count */
throbber->details->current_frame = 0;
nautilus_image_set_pixbuf (throbber->details->image_widget, throbber->details->quiescent_pixbuf);
throbber->details->timer_task = gtk_timeout_add (THROBBER_TIMEOUT, (GtkFunction) bump_throbber_frame, throbber);
}
......@@ -320,6 +278,7 @@ void
nautilus_throbber_stop (NautilusThrobber *throbber)
{
nautilus_throbber_remove_update_callback (throbber);
nautilus_image_set_pixbuf (throbber->details->image_widget, throbber->details->quiescent_pixbuf);
gtk_widget_queue_draw (GTK_WIDGET (throbber));
}
......
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