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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:30:19 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:30:19 +0000 |
commit | 5c1676dfe6d2f3c837a5e074117b45613fd29a72 (patch) | |
tree | cbffb45144febf451e54061db2b21395faf94bfe /app/core/gimpsubprogress.c | |
parent | Initial commit. (diff) | |
download | gimp-5c1676dfe6d2f3c837a5e074117b45613fd29a72.tar.xz gimp-5c1676dfe6d2f3c837a5e074117b45613fd29a72.zip |
Adding upstream version 2.10.34.upstream/2.10.34upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | app/core/gimpsubprogress.c | 317 |
1 files changed, 317 insertions, 0 deletions
diff --git a/app/core/gimpsubprogress.c b/app/core/gimpsubprogress.c new file mode 100644 index 0000000..3183f61 --- /dev/null +++ b/app/core/gimpsubprogress.c @@ -0,0 +1,317 @@ +/* GIMP - The GNU Image Manipulation Program + * Copyright (C) 1995 Spencer Kimball and Peter Mattis + * + * 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 <https://www.gnu.org/licenses/>. + */ + +#include "config.h" + +#include <glib-object.h> + +#include "core-types.h" + +#include "core/gimpsubprogress.h" +#include "core/gimpprogress.h" + + +enum +{ + PROP_0, + PROP_PROGRESS +}; + + +static void gimp_sub_progress_iface_init (GimpProgressInterface *iface); + +static void gimp_sub_progress_finalize (GObject *object); +static void gimp_sub_progress_set_property (GObject *object, + guint property_id, + const GValue *value, + GParamSpec *pspec); +static void gimp_sub_progress_get_property (GObject *object, + guint property_id, + GValue *value, + GParamSpec *pspec); + +static GimpProgress * gimp_sub_progress_start (GimpProgress *progress, + gboolean cancellable, + const gchar *message); +static void gimp_sub_progress_end (GimpProgress *progress); +static gboolean gimp_sub_progress_is_active (GimpProgress *progress); +static void gimp_sub_progress_set_text (GimpProgress *progress, + const gchar *message); +static void gimp_sub_progress_set_value (GimpProgress *progress, + gdouble percentage); +static gdouble gimp_sub_progress_get_value (GimpProgress *progress); +static void gimp_sub_progress_pulse (GimpProgress *progress); +static guint32 gimp_sub_progress_get_window_id (GimpProgress *progress); +static gboolean gimp_sub_progress_message (GimpProgress *progress, + Gimp *gimp, + GimpMessageSeverity severity, + const gchar *domain, + const gchar *message); + + +G_DEFINE_TYPE_WITH_CODE (GimpSubProgress, gimp_sub_progress, G_TYPE_OBJECT, + G_IMPLEMENT_INTERFACE (GIMP_TYPE_PROGRESS, + gimp_sub_progress_iface_init)) + +#define parent_class gimp_sub_progress_parent_class + + +static void +gimp_sub_progress_class_init (GimpSubProgressClass *klass) +{ + GObjectClass *object_class = G_OBJECT_CLASS (klass); + + object_class->finalize = gimp_sub_progress_finalize; + object_class->set_property = gimp_sub_progress_set_property; + object_class->get_property = gimp_sub_progress_get_property; + + g_object_class_install_property (object_class, PROP_PROGRESS, + g_param_spec_object ("progress", + NULL, NULL, + GIMP_TYPE_PROGRESS, + G_PARAM_READWRITE | + G_PARAM_CONSTRUCT_ONLY)); +} + +static void +gimp_sub_progress_init (GimpSubProgress *sub) +{ + sub->progress = NULL; + sub->start = 0.0; + sub->end = 1.0; +} + +static void +gimp_sub_progress_finalize (GObject *object) +{ + GimpSubProgress *sub = GIMP_SUB_PROGRESS (object); + + g_clear_object (&sub->progress); + + G_OBJECT_CLASS (parent_class)->finalize (object); +} + +static void +gimp_sub_progress_iface_init (GimpProgressInterface *iface) +{ + iface->start = gimp_sub_progress_start; + iface->end = gimp_sub_progress_end; + iface->is_active = gimp_sub_progress_is_active; + iface->set_text = gimp_sub_progress_set_text; + iface->set_value = gimp_sub_progress_set_value; + iface->get_value = gimp_sub_progress_get_value; + iface->pulse = gimp_sub_progress_pulse; + iface->get_window_id = gimp_sub_progress_get_window_id; + iface->message = gimp_sub_progress_message; +} + +static void +gimp_sub_progress_set_property (GObject *object, + guint property_id, + const GValue *value, + GParamSpec *pspec) +{ + GimpSubProgress *sub = GIMP_SUB_PROGRESS (object); + + switch (property_id) + { + case PROP_PROGRESS: + g_return_if_fail (sub->progress == NULL); + sub->progress = g_value_dup_object (value); + break; + + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); + break; + } +} + +static void +gimp_sub_progress_get_property (GObject *object, + guint property_id, + GValue *value, + GParamSpec *pspec) +{ + GimpSubProgress *sub = GIMP_SUB_PROGRESS (object); + + switch (property_id) + { + case PROP_PROGRESS: + g_value_set_object (value, sub->progress); + break; + + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); + break; + } +} + +static GimpProgress * +gimp_sub_progress_start (GimpProgress *progress, + gboolean cancellable, + const gchar *message) +{ + /* does nothing */ + return NULL; +} + +static void +gimp_sub_progress_end (GimpProgress *progress) +{ + /* does nothing */ +} + +static gboolean +gimp_sub_progress_is_active (GimpProgress *progress) +{ + GimpSubProgress *sub = GIMP_SUB_PROGRESS (progress); + + if (sub->progress) + return gimp_progress_is_active (sub->progress); + + return FALSE; +} + +static void +gimp_sub_progress_set_text (GimpProgress *progress, + const gchar *message) +{ + /* does nothing */ +} + +static void +gimp_sub_progress_set_value (GimpProgress *progress, + gdouble percentage) +{ + GimpSubProgress *sub = GIMP_SUB_PROGRESS (progress); + + if (sub->progress) + gimp_progress_set_value (sub->progress, + sub->start + percentage * (sub->end - sub->start)); +} + +static gdouble +gimp_sub_progress_get_value (GimpProgress *progress) +{ + GimpSubProgress *sub = GIMP_SUB_PROGRESS (progress); + + if (sub->progress) + return gimp_progress_get_value (sub->progress); + + return 0.0; +} + +static void +gimp_sub_progress_pulse (GimpProgress *progress) +{ + GimpSubProgress *sub = GIMP_SUB_PROGRESS (progress); + + if (sub->progress) + gimp_progress_pulse (sub->progress); +} + +static guint32 +gimp_sub_progress_get_window_id (GimpProgress *progress) +{ + GimpSubProgress *sub = GIMP_SUB_PROGRESS (progress); + + if (sub->progress) + return gimp_progress_get_window_id (sub->progress); + + return 0; +} + +static gboolean +gimp_sub_progress_message (GimpProgress *progress, + Gimp *gimp, + GimpMessageSeverity severity, + const gchar *domain, + const gchar *message) +{ + GimpSubProgress *sub = GIMP_SUB_PROGRESS (progress); + + if (sub->progress) + return gimp_progress_message (sub->progress, + gimp, severity, domain, message); + + return FALSE; +} + +/** + * gimp_sub_progress_new: + * @progress: parent progress or %NULL + * + * GimpSubProgress implements the GimpProgress interface and can be + * used wherever a GimpProgress is needed. It maps progress + * information to a sub-range of its parent @progress. This is useful + * when an action breaks down into multiple sub-actions that itself + * need a #GimpProgress pointer. See gimp_image_scale() for an example. + * + * Return value: a new #GimpProgress object + */ +GimpProgress * +gimp_sub_progress_new (GimpProgress *progress) +{ + GimpSubProgress *sub; + + g_return_val_if_fail (progress == NULL || GIMP_IS_PROGRESS (progress), NULL); + + sub = g_object_new (GIMP_TYPE_SUB_PROGRESS, + "progress", progress, + NULL); + + return GIMP_PROGRESS (sub); +} + +/** + * gimp_sub_progress_set_range: + * @start: start value of range on the parent process + * @end: end value of range on the parent process + * + * Sets a range on the parent progress that this @progress should be + * mapped to. + */ +void +gimp_sub_progress_set_range (GimpSubProgress *progress, + gdouble start, + gdouble end) +{ + g_return_if_fail (GIMP_IS_SUB_PROGRESS (progress)); + g_return_if_fail (start < end); + + progress->start = start; + progress->end = end; +} + +/** + * gimp_sub_progress_set_step: + * @index: step index + * @num_steps: number of steps + * + * A more convenient form of gimp_sub_progress_set_range(). + */ +void +gimp_sub_progress_set_step (GimpSubProgress *progress, + gint index, + gint num_steps) +{ + g_return_if_fail (GIMP_IS_SUB_PROGRESS (progress)); + g_return_if_fail (index < num_steps && num_steps > 0); + + progress->start = (gdouble) index / num_steps; + progress->end = (gdouble) (index + 1) / num_steps; +} |