gimp/libgimp/gimpprogressbar.c

222 lines
6.0 KiB
C

/* LIBGIMP - The GIMP Library
* Copyright (C) 1995-1997 Peter Mattis and Spencer Kimball
*
* gimpprogressbar.c
* Copyright (C) 2004 Michael Natterer <mitch@gimp.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include "config.h"
#include <gtk/gtk.h>
#ifdef GDK_WINDOWING_WIN32
#include <gdk/gdkwin32.h>
#endif
#ifdef GDK_WINDOWING_X11
#include <gdk/gdkx.h>
#endif
#include "gimpuitypes.h"
#include "gimp.h"
#include "gimpprogressbar.h"
static void gimp_progress_bar_destroy (GtkObject *object);
static void gimp_progress_bar_start (const gchar *message,
gboolean cancelable,
gpointer user_data);
static void gimp_progress_bar_end (gpointer user_data);
static void gimp_progress_bar_set_text (const gchar *message,
gpointer user_data);
static void gimp_progress_bar_set_value (gdouble percentage,
gpointer user_data);
static void gimp_progress_bar_pulse (gpointer user_data);
static guint32 gimp_progress_bar_get_window (gpointer user_data);
G_DEFINE_TYPE (GimpProgressBar, gimp_progress_bar, GTK_TYPE_PROGRESS_BAR)
#define parent_class gimp_progress_bar_parent_class
static void
gimp_progress_bar_class_init (GimpProgressBarClass *klass)
{
GtkObjectClass *object_class = GTK_OBJECT_CLASS (klass);
object_class->destroy = gimp_progress_bar_destroy;
}
static void
gimp_progress_bar_init (GimpProgressBar *bar)
{
GimpProgressVtable vtable = { 0, };
gtk_progress_bar_set_text (GTK_PROGRESS_BAR (bar), " ");
gtk_progress_bar_set_ellipsize (GTK_PROGRESS_BAR (bar), PANGO_ELLIPSIZE_END);
vtable.start = gimp_progress_bar_start;
vtable.end = gimp_progress_bar_end;
vtable.set_text = gimp_progress_bar_set_text;
vtable.set_value = gimp_progress_bar_set_value;
vtable.pulse = gimp_progress_bar_pulse;
vtable.get_window = gimp_progress_bar_get_window;
bar->progress_callback = gimp_progress_install_vtable (&vtable, bar);
}
static void
gimp_progress_bar_destroy (GtkObject *object)
{
GimpProgressBar *bar = GIMP_PROGRESS_BAR (object);
if (bar->progress_callback)
{
gimp_progress_uninstall (bar->progress_callback);
bar->progress_callback = NULL;
}
GTK_OBJECT_CLASS (parent_class)->destroy (object);
}
static void
gimp_progress_bar_start (const gchar *message,
gboolean cancelable,
gpointer user_data)
{
GimpProgressBar *bar = GIMP_PROGRESS_BAR (user_data);
gtk_progress_bar_set_text (GTK_PROGRESS_BAR (bar), message ? message : " ");
gtk_progress_bar_set_fraction (GTK_PROGRESS_BAR (bar), 0.0);
if (GTK_WIDGET_DRAWABLE (bar))
while (gtk_events_pending ())
gtk_main_iteration ();
}
static void
gimp_progress_bar_end (gpointer user_data)
{
GimpProgressBar *bar = GIMP_PROGRESS_BAR (user_data);
gtk_progress_bar_set_text (GTK_PROGRESS_BAR (bar), " ");
gtk_progress_bar_set_fraction (GTK_PROGRESS_BAR (bar), 0.0);
if (GTK_WIDGET_DRAWABLE (bar))
while (gtk_events_pending ())
gtk_main_iteration ();
}
static void
gimp_progress_bar_set_text (const gchar *message,
gpointer user_data)
{
GimpProgressBar *bar = GIMP_PROGRESS_BAR (user_data);
gtk_progress_bar_set_text (GTK_PROGRESS_BAR (bar), message ? message : " ");
if (GTK_WIDGET_DRAWABLE (bar))
while (gtk_events_pending ())
gtk_main_iteration ();
}
static void
gimp_progress_bar_set_value (gdouble percentage,
gpointer user_data)
{
GimpProgressBar *bar = GIMP_PROGRESS_BAR (user_data);
if (percentage >= 0.0)
gtk_progress_bar_set_fraction (GTK_PROGRESS_BAR (bar), percentage);
else
gtk_progress_bar_pulse (GTK_PROGRESS_BAR (bar));
if (GTK_WIDGET_DRAWABLE (bar))
while (gtk_events_pending ())
gtk_main_iteration ();
}
static void
gimp_progress_bar_pulse (gpointer user_data)
{
GimpProgressBar *bar = GIMP_PROGRESS_BAR (user_data);
gtk_progress_bar_pulse (GTK_PROGRESS_BAR (bar));
if (GTK_WIDGET_DRAWABLE (bar))
while (gtk_events_pending ())
gtk_main_iteration ();
}
static GdkNativeWindow
gimp_window_get_native (GtkWindow *window)
{
g_return_val_if_fail (GTK_IS_WINDOW (window), 0);
#ifdef GDK_NATIVE_WINDOW_POINTER
#ifdef __GNUC__
#warning gimp_window_get_native() unimplementable for the target windowing system
#endif
#endif
#ifdef GDK_WINDOWING_WIN32
if (window && GTK_WIDGET_REALIZED (window))
return GDK_WINDOW_HWND (GTK_WIDGET (window)->window);
#endif
#ifdef GDK_WINDOWING_X11
if (window && GTK_WIDGET_REALIZED (window))
return GDK_WINDOW_XID (GTK_WIDGET (window)->window);
#endif
return 0;
}
static guint32
gimp_progress_bar_get_window (gpointer user_data)
{
GimpProgressBar *bar = GIMP_PROGRESS_BAR (user_data);
GtkWidget *toplevel;
toplevel = gtk_widget_get_toplevel (GTK_WIDGET (bar));
if (GTK_IS_WINDOW (toplevel))
return (guint32) gimp_window_get_native (GTK_WINDOW (toplevel));
return 0;
}
/**
* gimp_progress_bar_new:
*
* Creates a new #GimpProgressBar widget.
*
* Return value: the new widget.
*
* Since: GIMP 2.2
**/
GtkWidget *
gimp_progress_bar_new (void)
{
return g_object_new (GIMP_TYPE_PROGRESS_BAR, NULL);
}