From 5c1676dfe6d2f3c837a5e074117b45613fd29a72 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:30:19 +0200 Subject: Adding upstream version 2.10.34. Signed-off-by: Daniel Baumann --- app/widgets/gimpprogressbox.c | 245 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 245 insertions(+) create mode 100644 app/widgets/gimpprogressbox.c (limited to 'app/widgets/gimpprogressbox.c') diff --git a/app/widgets/gimpprogressbox.c b/app/widgets/gimpprogressbox.c new file mode 100644 index 0000000..f99681f --- /dev/null +++ b/app/widgets/gimpprogressbox.c @@ -0,0 +1,245 @@ +/* GIMP - The GNU Image Manipulation Program + * Copyright (C) 1995 Spencer Kimball and Peter Mattis + * + * gimpprogressbox.c + * Copyright (C) 2004 Michael Natterer + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 3 of the License, or + * (at your option) any later version. + * + * This program 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 General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + */ + +#include "config.h" + +#include +#include + +#include "libgimpmath/gimpmath.h" +#include "libgimpwidgets/gimpwidgets.h" + +#include "widgets-types.h" + +#include "core/gimpprogress.h" + +#include "gimpprogressbox.h" +#include "gimpwidgets-utils.h" + +#include "gimp-intl.h" + + +static void gimp_progress_box_progress_iface_init (GimpProgressInterface *iface); + +static void gimp_progress_box_dispose (GObject *object); + +static GimpProgress * + gimp_progress_box_progress_start (GimpProgress *progress, + gboolean cancellable, + const gchar *message); +static void gimp_progress_box_progress_end (GimpProgress *progress); +static gboolean gimp_progress_box_progress_is_active (GimpProgress *progress); +static void gimp_progress_box_progress_set_text (GimpProgress *progress, + const gchar *message); +static void gimp_progress_box_progress_set_value (GimpProgress *progress, + gdouble percentage); +static gdouble gimp_progress_box_progress_get_value (GimpProgress *progress); +static void gimp_progress_box_progress_pulse (GimpProgress *progress); + + +G_DEFINE_TYPE_WITH_CODE (GimpProgressBox, gimp_progress_box, GTK_TYPE_BOX, + G_IMPLEMENT_INTERFACE (GIMP_TYPE_PROGRESS, + gimp_progress_box_progress_iface_init)) + +#define parent_class gimp_progress_box_parent_class + + +static void +gimp_progress_box_class_init (GimpProgressBoxClass *klass) +{ + GObjectClass *object_class = G_OBJECT_CLASS (klass); + + object_class->dispose = gimp_progress_box_dispose; +} + +static void +gimp_progress_box_init (GimpProgressBox *box) +{ + gtk_orientable_set_orientation (GTK_ORIENTABLE (box), + GTK_ORIENTATION_VERTICAL); + + gtk_box_set_spacing (GTK_BOX (box), 6); + + box->progress = gtk_progress_bar_new (); + gtk_widget_set_size_request (box->progress, 250, 20); + gtk_box_pack_start (GTK_BOX (box), box->progress, FALSE, FALSE, 0); + gtk_widget_show (box->progress); + + box->label = gtk_label_new (""); + gtk_label_set_ellipsize (GTK_LABEL (box->label), PANGO_ELLIPSIZE_MIDDLE); + gtk_label_set_xalign (GTK_LABEL (box->label), 0.0); + gimp_label_set_attributes (GTK_LABEL (box->label), + PANGO_ATTR_STYLE, PANGO_STYLE_ITALIC, + -1); + gtk_box_pack_start (GTK_BOX (box), box->label, FALSE, FALSE, 0); + gtk_widget_show (box->label); +} + +static void +gimp_progress_box_progress_iface_init (GimpProgressInterface *iface) +{ + iface->start = gimp_progress_box_progress_start; + iface->end = gimp_progress_box_progress_end; + iface->is_active = gimp_progress_box_progress_is_active; + iface->set_text = gimp_progress_box_progress_set_text; + iface->set_value = gimp_progress_box_progress_set_value; + iface->get_value = gimp_progress_box_progress_get_value; + iface->pulse = gimp_progress_box_progress_pulse; +} + +static void +gimp_progress_box_dispose (GObject *object) +{ + GimpProgressBox *box = GIMP_PROGRESS_BOX (object); + + G_OBJECT_CLASS (parent_class)->dispose (object); + + box->progress = NULL; +} + +static GimpProgress * +gimp_progress_box_progress_start (GimpProgress *progress, + gboolean cancellable, + const gchar *message) +{ + GimpProgressBox *box = GIMP_PROGRESS_BOX (progress); + + if (! box->progress) + return NULL; + + if (! box->active) + { + GtkProgressBar *bar = GTK_PROGRESS_BAR (box->progress); + + gtk_label_set_text (GTK_LABEL (box->label), message); + gtk_progress_bar_set_fraction (bar, 0.0); + + box->active = TRUE; + box->cancellable = cancellable; + box->value = 0.0; + + if (gtk_widget_is_drawable (box->progress)) + gdk_window_process_updates (gtk_widget_get_window (box->progress), + TRUE); + + return progress; + } + + return NULL; +} + +static void +gimp_progress_box_progress_end (GimpProgress *progress) +{ + if (gimp_progress_box_progress_is_active (progress)) + { + GimpProgressBox *box = GIMP_PROGRESS_BOX (progress); + GtkProgressBar *bar = GTK_PROGRESS_BAR (box->progress); + + gtk_label_set_text (GTK_LABEL (box->label), ""); + gtk_progress_bar_set_fraction (bar, 0.0); + + box->active = FALSE; + box->cancellable = FALSE; + box->value = 0.0; + } +} + +static gboolean +gimp_progress_box_progress_is_active (GimpProgress *progress) +{ + GimpProgressBox *box = GIMP_PROGRESS_BOX (progress); + + return (box->progress && box->active); +} + +static void +gimp_progress_box_progress_set_text (GimpProgress *progress, + const gchar *message) +{ + if (gimp_progress_box_progress_is_active (progress)) + { + GimpProgressBox *box = GIMP_PROGRESS_BOX (progress); + + gtk_label_set_text (GTK_LABEL (box->label), message); + + if (gtk_widget_is_drawable (box->progress)) + gdk_window_process_updates (gtk_widget_get_window (box->progress), + TRUE); + } +} + +static void +gimp_progress_box_progress_set_value (GimpProgress *progress, + gdouble percentage) +{ + if (gimp_progress_box_progress_is_active (progress)) + { + GimpProgressBox *box = GIMP_PROGRESS_BOX (progress); + GtkProgressBar *bar = GTK_PROGRESS_BAR (box->progress); + GtkAllocation allocation; + + gtk_widget_get_allocation (GTK_WIDGET (bar), &allocation); + + box->value = percentage; + + /* only update the progress bar if this causes a visible change */ + if (fabs (allocation.width * + (percentage - gtk_progress_bar_get_fraction (bar))) > 1.0) + { + gtk_progress_bar_set_fraction (bar, box->value); + + gimp_widget_flush_expose (box->progress); + } + } +} + +static gdouble +gimp_progress_box_progress_get_value (GimpProgress *progress) +{ + if (gimp_progress_box_progress_is_active (progress)) + { + return GIMP_PROGRESS_BOX (progress)->value; + } + + return 0.0; +} + +static void +gimp_progress_box_progress_pulse (GimpProgress *progress) +{ + if (gimp_progress_box_progress_is_active (progress)) + { + GimpProgressBox *box = GIMP_PROGRESS_BOX (progress); + GtkProgressBar *bar = GTK_PROGRESS_BAR (box->progress); + + gtk_progress_bar_pulse (bar); + + if (gtk_widget_is_drawable (box->progress)) + gdk_window_process_updates (gtk_widget_get_window (box->progress), + TRUE); + } +} + +GtkWidget * +gimp_progress_box_new (void) +{ + return g_object_new (GIMP_TYPE_PROGRESS_BOX, NULL); +} -- cgit v1.2.3