Adding upstream version 2.10.34.upstream/2.10.34upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 366 insertions, 0 deletions

diff --git a/app/plug-in/gimpplugin-progress.c b/app/plug-in/gimpplugin-progress.c
new file mode 100644
index 0000000..ddf2ef5
--- /dev/null
+++ b/app/plug-in/gimpplugin-progress.c
@@ -0,0 +1,366 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * gimpplugin-progress.c
+ *
+ * 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 <gdk-pixbuf/gdk-pixbuf.h>
+#include <gegl.h>
+
+#include "plug-in-types.h"
+
+#include "core/gimp.h"
+#include "core/gimpparamspecs.h"
+#include "core/gimppdbprogress.h"
+#include "core/gimpprogress.h"
+
+#include "pdb/gimppdb.h"
+#include "pdb/gimppdberror.h"
+
+#include "gimpplugin.h"
+#include "gimpplugin-progress.h"
+#include "gimppluginmanager.h"
+#include "gimptemporaryprocedure.h"
+
+#include "gimp-intl.h"
+
+
+/*  local function prototypes  */
+
+static void   gimp_plug_in_progress_cancel_callback (GimpProgress *progress,
+                                                     GimpPlugIn   *plug_in);
+
+
+/*  public functions  */
+
+gint
+gimp_plug_in_progress_attach (GimpProgress *progress)
+{
+  gint attach_count;
+
+  g_return_val_if_fail (GIMP_IS_PROGRESS (progress), 0);
+
+  attach_count =
+    GPOINTER_TO_INT (g_object_get_data (G_OBJECT (progress),
+                                        "plug-in-progress-attach-count"));
+
+  attach_count++;
+
+  g_object_set_data (G_OBJECT (progress), "plug-in-progress-attach-count",
+                     GINT_TO_POINTER (attach_count));
+
+  return attach_count;
+}
+
+gint
+gimp_plug_in_progress_detach (GimpProgress *progress)
+{
+  gint attach_count;
+
+  g_return_val_if_fail (GIMP_IS_PROGRESS (progress), 0);
+
+  attach_count =
+    GPOINTER_TO_INT (g_object_get_data (G_OBJECT (progress),
+                                        "plug-in-progress-attach-count"));
+
+  attach_count--;
+
+  g_object_set_data (G_OBJECT (progress), "plug-in-progress-attach-count",
+                     GINT_TO_POINTER (attach_count));
+
+  return attach_count;
+}
+
+void
+gimp_plug_in_progress_start (GimpPlugIn  *plug_in,
+                             const gchar *message,
+                             GimpObject  *display)
+{
+  GimpPlugInProcFrame *proc_frame;
+
+  g_return_if_fail (GIMP_IS_PLUG_IN (plug_in));
+  g_return_if_fail (display == NULL || GIMP_IS_OBJECT (display));
+
+  proc_frame = gimp_plug_in_get_proc_frame (plug_in);
+
+  if (! proc_frame->progress)
+    {
+      proc_frame->progress = gimp_new_progress (plug_in->manager->gimp,
+                                                display);
+
+      if (proc_frame->progress)
+        {
+          proc_frame->progress_created = TRUE;
+
+          g_object_ref (proc_frame->progress);
+
+          gimp_plug_in_progress_attach (proc_frame->progress);
+        }
+    }
+
+  if (proc_frame->progress)
+    {
+      if (! proc_frame->progress_cancel_id)
+        {
+          g_object_add_weak_pointer (G_OBJECT (proc_frame->progress),
+                                     (gpointer) &proc_frame->progress);
+
+          proc_frame->progress_cancel_id =
+            g_signal_connect (proc_frame->progress, "cancel",
+                              G_CALLBACK (gimp_plug_in_progress_cancel_callback),
+                              plug_in);
+        }
+
+      if (gimp_progress_is_active (proc_frame->progress))
+        {
+          if (message)
+            gimp_progress_set_text_literal (proc_frame->progress, message);
+
+          if (gimp_progress_get_value (proc_frame->progress) > 0.0)
+            gimp_progress_set_value (proc_frame->progress, 0.0);
+        }
+      else
+        {
+          gimp_progress_start (proc_frame->progress, TRUE,
+                               "%s", message ? message : "");
+        }
+    }
+}
+
+void
+gimp_plug_in_progress_end (GimpPlugIn          *plug_in,
+                           GimpPlugInProcFrame *proc_frame)
+{
+  g_return_if_fail (GIMP_IS_PLUG_IN (plug_in));
+  g_return_if_fail (proc_frame != NULL);
+
+  if (proc_frame->progress)
+    {
+      if (proc_frame->progress_cancel_id)
+        {
+          g_signal_handler_disconnect (proc_frame->progress,
+                                       proc_frame->progress_cancel_id);
+          proc_frame->progress_cancel_id = 0;
+
+          g_object_remove_weak_pointer (G_OBJECT (proc_frame->progress),
+                                        (gpointer) &proc_frame->progress);
+        }
+
+      if (gimp_plug_in_progress_detach (proc_frame->progress) < 1 &&
+          gimp_progress_is_active (proc_frame->progress))
+        {
+          gimp_progress_end (proc_frame->progress);
+        }
+
+      if (proc_frame->progress_created)
+        {
+          gimp_free_progress (plug_in->manager->gimp, proc_frame->progress);
+          g_clear_object (&proc_frame->progress);
+        }
+    }
+}
+
+void
+gimp_plug_in_progress_set_text (GimpPlugIn  *plug_in,
+                                const gchar *message)
+{
+  GimpPlugInProcFrame *proc_frame;
+
+  g_return_if_fail (GIMP_IS_PLUG_IN (plug_in));
+
+  proc_frame = gimp_plug_in_get_proc_frame (plug_in);
+
+  if (proc_frame->progress)
+    gimp_progress_set_text_literal (proc_frame->progress, message);
+}
+
+void
+gimp_plug_in_progress_set_value (GimpPlugIn *plug_in,
+                                 gdouble     percentage)
+{
+  GimpPlugInProcFrame *proc_frame;
+
+  g_return_if_fail (GIMP_IS_PLUG_IN (plug_in));
+
+  proc_frame = gimp_plug_in_get_proc_frame (plug_in);
+
+  if (! proc_frame->progress                           ||
+      ! gimp_progress_is_active (proc_frame->progress) ||
+      ! proc_frame->progress_cancel_id)
+    {
+      gimp_plug_in_progress_start (plug_in, NULL, NULL);
+    }
+
+  if (proc_frame->progress && gimp_progress_is_active (proc_frame->progress))
+    gimp_progress_set_value (proc_frame->progress, percentage);
+}
+
+void
+gimp_plug_in_progress_pulse (GimpPlugIn *plug_in)
+{
+  GimpPlugInProcFrame *proc_frame;
+
+  g_return_if_fail (GIMP_IS_PLUG_IN (plug_in));
+
+  proc_frame = gimp_plug_in_get_proc_frame (plug_in);
+
+  if (! proc_frame->progress                           ||
+      ! gimp_progress_is_active (proc_frame->progress) ||
+      ! proc_frame->progress_cancel_id)
+    {
+      gimp_plug_in_progress_start (plug_in, NULL, NULL);
+    }
+
+  if (proc_frame->progress && gimp_progress_is_active (proc_frame->progress))
+    gimp_progress_pulse (proc_frame->progress);
+}
+
+guint32
+gimp_plug_in_progress_get_window_id (GimpPlugIn *plug_in)
+{
+  GimpPlugInProcFrame *proc_frame;
+
+  g_return_val_if_fail (GIMP_IS_PLUG_IN (plug_in), 0);
+
+  proc_frame = gimp_plug_in_get_proc_frame (plug_in);
+
+  if (proc_frame->progress)
+    return gimp_progress_get_window_id (proc_frame->progress);
+
+  return 0;
+}
+
+gboolean
+gimp_plug_in_progress_install (GimpPlugIn  *plug_in,
+                               const gchar *progress_callback)
+{
+  GimpPlugInProcFrame *proc_frame;
+  GimpProcedure       *procedure;
+
+  g_return_val_if_fail (GIMP_IS_PLUG_IN (plug_in), FALSE);
+  g_return_val_if_fail (progress_callback != NULL, FALSE);
+
+  procedure = gimp_pdb_lookup_procedure (plug_in->manager->gimp->pdb,
+                                         progress_callback);
+
+  if (! GIMP_IS_TEMPORARY_PROCEDURE (procedure)                ||
+      GIMP_TEMPORARY_PROCEDURE (procedure)->plug_in != plug_in ||
+      procedure->num_args                           != 3       ||
+      ! GIMP_IS_PARAM_SPEC_INT32 (procedure->args[0])          ||
+      ! G_IS_PARAM_SPEC_STRING   (procedure->args[1])          ||
+      ! G_IS_PARAM_SPEC_DOUBLE   (procedure->args[2]))
+    {
+      return FALSE;
+    }
+
+  proc_frame = gimp_plug_in_get_proc_frame (plug_in);
+
+  if (proc_frame->progress)
+    {
+      gimp_plug_in_progress_end (plug_in, proc_frame);
+
+      g_clear_object (&proc_frame->progress);
+    }
+
+  proc_frame->progress = g_object_new (GIMP_TYPE_PDB_PROGRESS,
+                                       "pdb",           plug_in->manager->gimp->pdb,
+                                       "context",       proc_frame->main_context,
+                                       "callback-name", progress_callback,
+                                       NULL);
+
+  gimp_plug_in_progress_attach (proc_frame->progress);
+
+  return TRUE;
+}
+
+gboolean
+gimp_plug_in_progress_uninstall (GimpPlugIn  *plug_in,
+                                 const gchar *progress_callback)
+{
+  GimpPlugInProcFrame *proc_frame;
+
+  g_return_val_if_fail (GIMP_IS_PLUG_IN (plug_in), FALSE);
+  g_return_val_if_fail (progress_callback != NULL, FALSE);
+
+  proc_frame = gimp_plug_in_get_proc_frame (plug_in);
+
+  if (GIMP_IS_PDB_PROGRESS (proc_frame->progress))
+    {
+      gimp_plug_in_progress_end (plug_in, proc_frame);
+
+      g_clear_object (&proc_frame->progress);
+
+      return TRUE;
+    }
+
+  return FALSE;
+}
+
+gboolean
+gimp_plug_in_progress_cancel (GimpPlugIn  *plug_in,
+                              const gchar *progress_callback)
+{
+  g_return_val_if_fail (GIMP_IS_PLUG_IN (plug_in), FALSE);
+  g_return_val_if_fail (progress_callback != NULL, FALSE);
+
+  return FALSE;
+}
+
+
+/*  private functions  */
+
+static GimpValueArray *
+get_cancel_return_values (GimpProcedure *procedure)
+{
+  GimpValueArray *return_vals;
+  GError         *error;
+
+  error = g_error_new_literal (GIMP_PDB_ERROR, GIMP_PDB_ERROR_CANCELLED,
+                               _("Cancelled"));
+  return_vals = gimp_procedure_get_return_values (procedure, FALSE, error);
+  g_error_free (error);
+
+  return return_vals;
+}
+
+static void
+gimp_plug_in_progress_cancel_callback (GimpProgress *progress,
+                                       GimpPlugIn   *plug_in)
+{
+  GimpPlugInProcFrame *proc_frame = &plug_in->main_proc_frame;
+  GList               *list;
+
+  if (proc_frame->main_loop)
+    {
+      proc_frame->return_vals =
+        get_cancel_return_values (proc_frame->procedure);
+    }
+
+  for (list = plug_in->temp_proc_frames; list; list = g_list_next (list))
+    {
+      proc_frame = list->data;
+
+      if (proc_frame->main_loop)
+        {
+          proc_frame->return_vals =
+            get_cancel_return_values (proc_frame->procedure);
+        }
+    }
+
+  gimp_plug_in_close (plug_in, TRUE);
+}