diff options
Diffstat (limited to 'app/core/gimpprogress.c')
| -rw-r--r-- | app/core/gimpprogress.c | 266 |
1 files changed, 266 insertions, 0 deletions
diff --git a/app/core/gimpprogress.c b/app/core/gimpprogress.c new file mode 100644 index 0000000..6b8bf46 --- /dev/null +++ b/app/core/gimpprogress.c @@ -0,0 +1,266 @@ +/* GIMP - The GNU Image Manipulation Program + * Copyright (C) 1995 Spencer Kimball and Peter Mattis + * + * gimpprogress.c + * Copyright (C) 2004 Michael Natterer <mitch@gimp.org> + * + * 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 <string.h> + +#include <gio/gio.h> +#include <gegl.h> + +#include "core-types.h" + +#include "gimp.h" +#include "gimpmarshal.h" +#include "gimpprogress.h" + +#include "gimp-intl.h" + + +enum +{ + CANCEL, + LAST_SIGNAL +}; + + +G_DEFINE_INTERFACE (GimpProgress, gimp_progress, G_TYPE_OBJECT) + + +static guint progress_signals[LAST_SIGNAL] = { 0 }; + + +/* private functions */ + + +static void +gimp_progress_default_init (GimpProgressInterface *progress_iface) +{ + progress_signals[CANCEL] = + g_signal_new ("cancel", + G_TYPE_FROM_INTERFACE (progress_iface), + G_SIGNAL_RUN_FIRST, + G_STRUCT_OFFSET (GimpProgressInterface, cancel), + NULL, NULL, + gimp_marshal_VOID__VOID, + G_TYPE_NONE, 0); +} + + +/* public functions */ + + +GimpProgress * +gimp_progress_start (GimpProgress *progress, + gboolean cancellable, + const gchar *format, + ...) +{ + GimpProgressInterface *progress_iface; + + g_return_val_if_fail (GIMP_IS_PROGRESS (progress), NULL); + g_return_val_if_fail (format != NULL, NULL); + + progress_iface = GIMP_PROGRESS_GET_INTERFACE (progress); + + if (progress_iface->start) + { + GimpProgress *ret; + va_list args; + gchar *text; + + va_start (args, format); + text = g_strdup_vprintf (format, args); + va_end (args); + + ret = progress_iface->start (progress, cancellable, text); + + g_free (text); + + return ret; + } + + return NULL; +} + +void +gimp_progress_end (GimpProgress *progress) +{ + GimpProgressInterface *progress_iface; + + g_return_if_fail (GIMP_IS_PROGRESS (progress)); + + progress_iface = GIMP_PROGRESS_GET_INTERFACE (progress); + + if (progress_iface->end) + progress_iface->end (progress); +} + +gboolean +gimp_progress_is_active (GimpProgress *progress) +{ + GimpProgressInterface *progress_iface; + + g_return_val_if_fail (GIMP_IS_PROGRESS (progress), FALSE); + + progress_iface = GIMP_PROGRESS_GET_INTERFACE (progress); + + if (progress_iface->is_active) + return progress_iface->is_active (progress); + + return FALSE; +} + +void +gimp_progress_set_text (GimpProgress *progress, + const gchar *format, + ...) +{ + va_list args; + gchar *message; + + g_return_if_fail (GIMP_IS_PROGRESS (progress)); + g_return_if_fail (format != NULL); + + va_start (args, format); + message = g_strdup_vprintf (format, args); + va_end (args); + + gimp_progress_set_text_literal (progress, message); + + g_free (message); +} + +void +gimp_progress_set_text_literal (GimpProgress *progress, + const gchar *message) +{ + GimpProgressInterface *progress_iface; + + g_return_if_fail (GIMP_IS_PROGRESS (progress)); + g_return_if_fail (message != NULL); + + progress_iface = GIMP_PROGRESS_GET_INTERFACE (progress); + + if (progress_iface->set_text) + progress_iface->set_text (progress, message); +} + +void +gimp_progress_set_value (GimpProgress *progress, + gdouble percentage) +{ + GimpProgressInterface *progress_iface; + + g_return_if_fail (GIMP_IS_PROGRESS (progress)); + + percentage = CLAMP (percentage, 0.0, 1.0); + + progress_iface = GIMP_PROGRESS_GET_INTERFACE (progress); + + if (progress_iface->set_value) + progress_iface->set_value (progress, percentage); +} + +gdouble +gimp_progress_get_value (GimpProgress *progress) +{ + GimpProgressInterface *progress_iface; + + g_return_val_if_fail (GIMP_IS_PROGRESS (progress), 0.0); + + progress_iface = GIMP_PROGRESS_GET_INTERFACE (progress); + + if (progress_iface->get_value) + return progress_iface->get_value (progress); + + return 0.0; +} + +void +gimp_progress_pulse (GimpProgress *progress) +{ + GimpProgressInterface *progress_iface; + + g_return_if_fail (GIMP_IS_PROGRESS (progress)); + + progress_iface = GIMP_PROGRESS_GET_INTERFACE (progress); + + if (progress_iface->pulse) + progress_iface->pulse (progress); +} + +guint32 +gimp_progress_get_window_id (GimpProgress *progress) +{ + GimpProgressInterface *progress_iface; + + g_return_val_if_fail (GIMP_IS_PROGRESS (progress), 0); + + progress_iface = GIMP_PROGRESS_GET_INTERFACE (progress); + + if (progress_iface->get_window_id) + return progress_iface->get_window_id (progress); + + return 0; +} + +gboolean +gimp_progress_message (GimpProgress *progress, + Gimp *gimp, + GimpMessageSeverity severity, + const gchar *domain, + const gchar *message) +{ + GimpProgressInterface *progress_iface; + + g_return_val_if_fail (GIMP_IS_PROGRESS (progress), FALSE); + g_return_val_if_fail (GIMP_IS_GIMP (gimp), FALSE); + g_return_val_if_fail (domain != NULL, FALSE); + g_return_val_if_fail (message != NULL, FALSE); + + progress_iface = GIMP_PROGRESS_GET_INTERFACE (progress); + + if (progress_iface->message) + return progress_iface->message (progress, gimp, severity, domain, message); + + return FALSE; +} + +void +gimp_progress_cancel (GimpProgress *progress) +{ + g_return_if_fail (GIMP_IS_PROGRESS (progress)); + + g_signal_emit (progress, progress_signals[CANCEL], 0); +} + +void +gimp_progress_update_and_flush (gint min, + gint max, + gint current, + gpointer data) +{ + gimp_progress_set_value (GIMP_PROGRESS (data), + (gdouble) (current - min) / (gdouble) (max - min)); + + while (g_main_context_pending (NULL)) + g_main_context_iteration (NULL, TRUE); +} |