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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 03:13:10 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 03:13:10 +0000 |
commit | 3c57dd931145d43f2b0aef96c4d178135956bf91 (patch) | |
tree | 3de698981e9f0cc2c4f9569b19a5f3595e741f6b /libgimp/gimpprogressbar.c | |
parent | Initial commit. (diff) | |
download | gimp-3c57dd931145d43f2b0aef96c4d178135956bf91.tar.xz gimp-3c57dd931145d43f2b0aef96c4d178135956bf91.zip |
Adding upstream version 2.10.36.upstream/2.10.36
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | libgimp/gimpprogressbar.c | 230 |
1 files changed, 230 insertions, 0 deletions
diff --git a/libgimp/gimpprogressbar.c b/libgimp/gimpprogressbar.c new file mode 100644 index 0000000..f989d2a --- /dev/null +++ b/libgimp/gimpprogressbar.c @@ -0,0 +1,230 @@ +/* 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 3 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, see + * <https://www.gnu.org/licenses/>. + */ + +#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" + + +/** + * SECTION: gimpprogressbar + * @title: GimpProgressBar + * @short_description: A widget providing a progress bar. + * + * A widget providing a progress bar that automatically redirects any + * progress calls to itself. + **/ + + +static void gimp_progress_bar_dispose (GObject *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) +{ + GObjectClass *object_class = G_OBJECT_CLASS (klass); + + object_class->dispose = gimp_progress_bar_dispose; +} + +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_dispose (GObject *object) +{ + GimpProgressBar *bar = GIMP_PROGRESS_BAR (object); + + if (bar->progress_callback) + { + gimp_progress_uninstall (bar->progress_callback); + bar->progress_callback = NULL; + } + + G_OBJECT_CLASS (parent_class)->dispose (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_is_drawable (GTK_WIDGET (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_is_drawable (GTK_WIDGET (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_is_drawable (GTK_WIDGET (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_is_drawable (GTK_WIDGET (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_is_drawable (GTK_WIDGET (bar))) + while (gtk_events_pending ()) + gtk_main_iteration (); +} + +static guint32 +gimp_window_get_native_id (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_get_realized (GTK_WIDGET (window))) + return GDK_WINDOW_HWND (gtk_widget_get_window (GTK_WIDGET (window))); +#endif + +#ifdef GDK_WINDOWING_X11 + if (window && gtk_widget_get_realized (GTK_WIDGET (window))) + return GDK_WINDOW_XID (gtk_widget_get_window (GTK_WIDGET (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 gimp_window_get_native_id (GTK_WINDOW (toplevel)); + + return 0; +} + +/** + * gimp_progress_bar_new: + * + * Creates a new #GimpProgressBar widget. + * + * Return value: the new widget. + * + * Since: 2.2 + **/ +GtkWidget * +gimp_progress_bar_new (void) +{ + return g_object_new (GIMP_TYPE_PROGRESS_BAR, NULL); +} |