240 lines
6.4 KiB
C
240 lines
6.4 KiB
C
/* LIBPIKA - The PIKA Library
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* Copyright (C) 1995-1997 Peter Mattis and Spencer Kimball
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*
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* pikaprogressbar.c
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* Copyright (C) 2004 Michael Natterer <mitch@gimp.org>
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*
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* This library is free software: you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 3 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see
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* <https://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include <gtk/gtk.h>
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#ifdef GDK_WINDOWING_WIN32
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#include <gdk/gdkwin32.h>
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#endif
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#ifdef GDK_WINDOWING_X11
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#include <gdk/gdkx.h>
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#endif
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#ifdef GDK_WINDOWING_WAYLAND
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#include <gdk/gdkwayland.h>
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#endif
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#include "pikauitypes.h"
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#include "pika.h"
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#include "pikaprogressbar.h"
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/**
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* SECTION: pikaprogressbar
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* @title: PikaProgressBar
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* @short_description: A widget providing a progress bar.
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*
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* A widget providing a progress bar that automatically redirects any
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* progress calls to itself.
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**/
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static void pika_progress_bar_dispose (GObject *object);
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static void pika_progress_bar_start (const gchar *message,
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gboolean cancelable,
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gpointer user_data);
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static void pika_progress_bar_end (gpointer user_data);
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static void pika_progress_bar_set_text (const gchar *message,
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gpointer user_data);
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static void pika_progress_bar_set_value (gdouble percentage,
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gpointer user_data);
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static void pika_progress_bar_pulse (gpointer user_data);
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static guint64 pika_progress_bar_get_window (gpointer user_data);
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G_DEFINE_TYPE (PikaProgressBar, pika_progress_bar, GTK_TYPE_PROGRESS_BAR)
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#define parent_class pika_progress_bar_parent_class
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static void
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pika_progress_bar_class_init (PikaProgressBarClass *klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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object_class->dispose = pika_progress_bar_dispose;
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}
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static void
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pika_progress_bar_init (PikaProgressBar *bar)
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{
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PikaProgressVtable vtable = { 0, };
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gtk_progress_bar_set_text (GTK_PROGRESS_BAR (bar), " ");
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gtk_progress_bar_set_ellipsize (GTK_PROGRESS_BAR (bar), PANGO_ELLIPSIZE_END);
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vtable.start = pika_progress_bar_start;
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vtable.end = pika_progress_bar_end;
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vtable.set_text = pika_progress_bar_set_text;
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vtable.set_value = pika_progress_bar_set_value;
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vtable.pulse = pika_progress_bar_pulse;
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vtable.get_window = pika_progress_bar_get_window;
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bar->progress_callback = pika_progress_install_vtable (&vtable, bar, NULL);
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}
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static void
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pika_progress_bar_dispose (GObject *object)
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{
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PikaProgressBar *bar = PIKA_PROGRESS_BAR (object);
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if (bar->progress_callback)
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{
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pika_progress_uninstall (bar->progress_callback);
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bar->progress_callback = NULL;
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}
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G_OBJECT_CLASS (parent_class)->dispose (object);
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}
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static void
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pika_progress_bar_start (const gchar *message,
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gboolean cancelable,
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gpointer user_data)
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{
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PikaProgressBar *bar = PIKA_PROGRESS_BAR (user_data);
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gtk_progress_bar_set_text (GTK_PROGRESS_BAR (bar), message ? message : " ");
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gtk_progress_bar_set_fraction (GTK_PROGRESS_BAR (bar), 0.0);
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if (gtk_widget_is_drawable (GTK_WIDGET (bar)))
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while (gtk_events_pending ())
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gtk_main_iteration ();
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}
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static void
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pika_progress_bar_end (gpointer user_data)
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{
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PikaProgressBar *bar = PIKA_PROGRESS_BAR (user_data);
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gtk_progress_bar_set_text (GTK_PROGRESS_BAR (bar), " ");
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gtk_progress_bar_set_fraction (GTK_PROGRESS_BAR (bar), 0.0);
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if (gtk_widget_is_drawable (GTK_WIDGET (bar)))
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while (gtk_events_pending ())
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gtk_main_iteration ();
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}
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static void
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pika_progress_bar_set_text (const gchar *message,
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gpointer user_data)
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{
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PikaProgressBar *bar = PIKA_PROGRESS_BAR (user_data);
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gtk_progress_bar_set_text (GTK_PROGRESS_BAR (bar), message ? message : " ");
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if (gtk_widget_is_drawable (GTK_WIDGET (bar)))
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while (gtk_events_pending ())
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gtk_main_iteration ();
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}
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static void
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pika_progress_bar_set_value (gdouble percentage,
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gpointer user_data)
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{
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PikaProgressBar *bar = PIKA_PROGRESS_BAR (user_data);
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if (percentage >= 0.0)
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gtk_progress_bar_set_fraction (GTK_PROGRESS_BAR (bar), percentage);
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else
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gtk_progress_bar_pulse (GTK_PROGRESS_BAR (bar));
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if (gtk_widget_is_drawable (GTK_WIDGET (bar)))
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while (gtk_events_pending ())
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gtk_main_iteration ();
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}
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static void
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pika_progress_bar_pulse (gpointer user_data)
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{
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PikaProgressBar *bar = PIKA_PROGRESS_BAR (user_data);
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gtk_progress_bar_pulse (GTK_PROGRESS_BAR (bar));
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if (gtk_widget_is_drawable (GTK_WIDGET (bar)))
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while (gtk_events_pending ())
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gtk_main_iteration ();
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}
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static guint64
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pika_window_get_native_id (GtkWindow *window)
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{
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GdkWindow *surface;
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g_return_val_if_fail (GTK_IS_WINDOW (window), 0);
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surface = gtk_widget_get_window (GTK_WIDGET (window));
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if (!surface) /* aka window is not yet realized */
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return 0;
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#ifdef GDK_WINDOWING_WIN32
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if (GDK_IS_WIN32_WINDOW (surface))
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return GPOINTER_TO_INT (GDK_WINDOW_HWND (gtk_widget_get_window (GTK_WIDGET (window))));
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#endif
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#ifdef GDK_WINDOWING_X11
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if (GDK_IS_X11_WINDOW (surface))
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return GPOINTER_TO_INT (GDK_WINDOW_XID (gtk_widget_get_window (GTK_WIDGET (window))));
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#endif
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#ifdef GDK_WINDOWING_WAYLAND
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if (GDK_IS_WAYLAND_WINDOW (surface))
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g_debug ("Getting window ID for progress not supported on Wayland yet");
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#endif
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return 0;
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}
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static guint64
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pika_progress_bar_get_window (gpointer user_data)
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{
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PikaProgressBar *bar = PIKA_PROGRESS_BAR (user_data);
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GtkWidget *toplevel;
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toplevel = gtk_widget_get_toplevel (GTK_WIDGET (bar));
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if (GTK_IS_WINDOW (toplevel))
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return pika_window_get_native_id (GTK_WINDOW (toplevel));
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return 0;
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}
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/**
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* pika_progress_bar_new:
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*
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* Creates a new #PikaProgressBar widget.
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*
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* Returns: the new widget.
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*
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* Since: 2.2
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**/
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GtkWidget *
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pika_progress_bar_new (void)
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{
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return g_object_new (PIKA_TYPE_PROGRESS_BAR, NULL);
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}
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