Adding upstream version 2.10.34.upstream/2.10.34upstream

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

1 files changed, 476 insertions, 0 deletions

diff --git a/app/widgets/gimpfileprocview.c b/app/widgets/gimpfileprocview.c
new file mode 100644
index 0000000..ce50f84
--- /dev/null
+++ b/app/widgets/gimpfileprocview.c
@@ -0,0 +1,476 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * gimpfileprocview.c
+ * Copyright (C) 2004  Sven Neumann <sven@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 <gtk/gtk.h>
+#include <gegl.h>
+
+#include "widgets-types.h"
+
+#include "core/gimp.h"
+#include "core/gimpmarshal.h"
+
+#include "plug-in/gimppluginprocedure.h"
+
+#include "gimpfileprocview.h"
+
+#include "gimp-intl.h"
+
+/*  an arbitrary limit to keep the file dialog from becoming too wide  */
+#define MAX_EXTENSIONS  4
+
+enum
+{
+  COLUMN_PROC,
+  COLUMN_LABEL,
+  COLUMN_EXTENSIONS,
+  COLUMN_HELP_ID,
+  COLUMN_FILTER,
+  N_COLUMNS
+};
+
+enum
+{
+  CHANGED,
+  LAST_SIGNAL
+};
+
+
+static void            gimp_file_proc_view_finalize               (GObject             *object);
+
+static void            gimp_file_proc_view_selection_changed      (GtkTreeSelection    *selection,
+                                                                   GimpFileProcView    *view);
+
+static GtkFileFilter * gimp_file_proc_view_process_procedure      (GimpPlugInProcedure *file_proc,
+                                                                   GtkFileFilter       *all);
+static gchar         * gimp_file_proc_view_pattern_from_extension (const gchar         *extension);
+
+
+G_DEFINE_TYPE (GimpFileProcView, gimp_file_proc_view, GTK_TYPE_TREE_VIEW)
+
+#define parent_class gimp_file_proc_view_parent_class
+
+static guint view_signals[LAST_SIGNAL] = { 0 };
+
+
+static void
+gimp_file_proc_view_class_init (GimpFileProcViewClass *klass)
+{
+  GObjectClass *object_class = G_OBJECT_CLASS (klass);
+
+  object_class->finalize = gimp_file_proc_view_finalize;
+
+  klass->changed         = NULL;
+
+  view_signals[CHANGED] = g_signal_new ("changed",
+                                        G_TYPE_FROM_CLASS (klass),
+                                        G_SIGNAL_RUN_LAST,
+                                        G_STRUCT_OFFSET (GimpFileProcViewClass,
+                                                         changed),
+                                        NULL, NULL,
+                                        gimp_marshal_VOID__VOID,
+                                        G_TYPE_NONE, 0);
+}
+
+static void
+gimp_file_proc_view_init (GimpFileProcView *view)
+{
+}
+
+static void
+gimp_file_proc_view_finalize (GObject *object)
+{
+  GimpFileProcView *view = GIMP_FILE_PROC_VIEW (object);
+
+  if (view->meta_extensions)
+    {
+      g_list_free_full (view->meta_extensions, (GDestroyNotify) g_free);
+      view->meta_extensions = NULL;
+    }
+
+  G_OBJECT_CLASS (parent_class)->finalize (object);
+}
+
+GtkWidget *
+gimp_file_proc_view_new (Gimp        *gimp,
+                         GSList      *procedures,
+                         const gchar *automatic,
+                         const gchar *automatic_help_id)
+{
+  GtkFileFilter     *all_filter;
+  GtkTreeView       *view;
+  GtkTreeViewColumn *column;
+  GtkCellRenderer   *cell;
+  GtkListStore      *store;
+  GSList            *list;
+  GtkTreeIter        iter;
+
+  g_return_val_if_fail (GIMP_IS_GIMP (gimp), NULL);
+
+  store = gtk_list_store_new (N_COLUMNS,
+                              GIMP_TYPE_PLUG_IN_PROCEDURE, /*  COLUMN_PROC       */
+                              G_TYPE_STRING,               /*  COLUMN_LABEL      */
+                              G_TYPE_STRING,               /*  COLUMN_EXTENSIONS */
+                              G_TYPE_STRING,               /*  COLUMN_HELP_ID    */
+                              GTK_TYPE_FILE_FILTER);       /*  COLUMN_FILTER     */
+
+  view = g_object_new (GIMP_TYPE_FILE_PROC_VIEW,
+                       "model",      store,
+                       "rules-hint", TRUE,
+                       NULL);
+
+  g_object_unref (store);
+
+  all_filter = gtk_file_filter_new ();
+
+  for (list = procedures; list; list = g_slist_next (list))
+    {
+      GimpPlugInProcedure *proc = list->data;
+
+      if (! proc->prefixes_list) /*  skip URL loaders  */
+        {
+          const gchar *label   = gimp_procedure_get_label (GIMP_PROCEDURE (proc));
+          const gchar *help_id = gimp_procedure_get_help_id (GIMP_PROCEDURE (proc));
+          GSList      *list2;
+
+          if (label)
+            {
+              GtkFileFilter *filter;
+
+              filter = gimp_file_proc_view_process_procedure (proc, all_filter);
+              gtk_list_store_append (store, &iter);
+              gtk_list_store_set (store, &iter,
+                                  COLUMN_PROC,       proc,
+                                  COLUMN_LABEL,      label,
+                                  COLUMN_EXTENSIONS, proc->extensions,
+                                  COLUMN_HELP_ID,    help_id,
+                                  COLUMN_FILTER,     filter,
+                                  -1);
+              g_object_unref (filter);
+            }
+
+          for (list2 = proc->extensions_list;
+               list2;
+               list2 = g_slist_next (list2))
+            {
+              GimpFileProcView *proc_view = GIMP_FILE_PROC_VIEW (view);
+              const gchar      *ext       = list2->data;
+              const gchar      *dot       = strchr (ext, '.');
+
+              if (dot && dot != ext)
+                proc_view->meta_extensions =
+                  g_list_append (proc_view->meta_extensions,
+                                 g_strdup (dot + 1));
+            }
+        }
+    }
+
+  if (automatic)
+    {
+      gtk_list_store_prepend (store, &iter);
+      gtk_list_store_set (store, &iter,
+                          COLUMN_PROC,    NULL,
+                          COLUMN_LABEL,   automatic,
+                          COLUMN_HELP_ID, automatic_help_id,
+                          COLUMN_FILTER,  all_filter,
+                          -1);
+    }
+
+  column = gtk_tree_view_column_new ();
+  gtk_tree_view_column_set_title (column, _("File Type"));
+  gtk_tree_view_column_set_expand (column, TRUE);
+
+  cell = gtk_cell_renderer_text_new ();
+  gtk_tree_view_column_pack_start (column, cell, TRUE);
+  gtk_tree_view_column_set_attributes (column, cell,
+                                       "text", COLUMN_LABEL,
+                                       NULL);
+
+  gtk_tree_view_append_column (view, column);
+
+  column = gtk_tree_view_column_new ();
+  gtk_tree_view_column_set_title (column, _("Extensions"));
+
+  cell = gtk_cell_renderer_text_new ();
+  gtk_tree_view_column_pack_start (column, cell, TRUE);
+  gtk_tree_view_column_set_attributes (column, cell,
+                                       "text", COLUMN_EXTENSIONS,
+                                       NULL);
+
+  gtk_tree_view_append_column (view, column);
+
+  g_signal_connect (gtk_tree_view_get_selection (view), "changed",
+                    G_CALLBACK (gimp_file_proc_view_selection_changed),
+                    view);
+
+  return GTK_WIDGET (view);
+}
+
+GimpPlugInProcedure *
+gimp_file_proc_view_get_proc (GimpFileProcView  *view,
+                              gchar            **label,
+                              GtkFileFilter    **filter)
+{
+  GtkTreeModel        *model;
+  GtkTreeSelection    *selection;
+  GimpPlugInProcedure *proc;
+  GtkTreeIter          iter;
+  gboolean             has_selection;
+
+  g_return_val_if_fail (GIMP_IS_FILE_PROC_VIEW (view), NULL);
+
+  if (label)  *label  = NULL;
+  if (filter) *filter = NULL;
+
+  selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (view));
+
+  has_selection = gtk_tree_selection_get_selected (selection, &model, &iter);
+
+  /* if there's no selected item, we return the "automatic" procedure, which,
+   * if exists, is the first item.
+   */
+  if (! has_selection)
+    {
+      model = gtk_tree_view_get_model (GTK_TREE_VIEW (view));
+
+      if (! gtk_tree_model_get_iter_first (model, &iter))
+        return NULL;
+    }
+
+  gtk_tree_model_get (model, &iter,
+                      COLUMN_PROC, &proc,
+                      -1);
+
+  if (proc)
+    {
+      g_object_unref (proc);
+
+      /* there's no selected item, and no "automatic" procedure.  return NULL.
+       */
+      if (! has_selection)
+        return NULL;
+    }
+
+  if (label)
+    {
+      gtk_tree_model_get (model, &iter,
+                          COLUMN_LABEL, label,
+                          -1);
+    }
+
+  if (filter)
+    {
+      gtk_tree_model_get (model, &iter,
+                          COLUMN_FILTER, filter,
+                          -1);
+    }
+
+  return proc;
+}
+
+gboolean
+gimp_file_proc_view_set_proc (GimpFileProcView    *view,
+                              GimpPlugInProcedure *proc)
+{
+  GtkTreeModel *model;
+  GtkTreeIter   iter;
+  gboolean      iter_valid;
+
+  g_return_val_if_fail (GIMP_IS_FILE_PROC_VIEW (view), FALSE);
+
+  model = gtk_tree_view_get_model (GTK_TREE_VIEW (view));
+
+  for (iter_valid = gtk_tree_model_get_iter_first (model, &iter);
+       iter_valid;
+       iter_valid = gtk_tree_model_iter_next (model, &iter))
+    {
+      GimpPlugInProcedure *this;
+
+      gtk_tree_model_get (model, &iter,
+                          COLUMN_PROC, &this,
+                          -1);
+
+      if (this)
+        g_object_unref (this);
+
+      if (this == proc)
+        break;
+    }
+
+  if (iter_valid)
+    {
+      GtkTreeSelection *selection;
+
+      selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (view));
+
+      gtk_tree_selection_select_iter (selection, &iter);
+    }
+
+  return iter_valid;
+}
+
+gchar *
+gimp_file_proc_view_get_help_id (GimpFileProcView *view)
+{
+  GtkTreeModel     *model;
+  GtkTreeSelection *selection;
+  GtkTreeIter       iter;
+
+  g_return_val_if_fail (GIMP_IS_FILE_PROC_VIEW (view), NULL);
+
+  selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (view));
+
+  if (gtk_tree_selection_get_selected (selection, &model, &iter))
+    {
+      gchar *help_id;
+
+      gtk_tree_model_get (model, &iter,
+                          COLUMN_HELP_ID, &help_id,
+                          -1);
+
+      return help_id;
+    }
+
+  return NULL;
+}
+
+static void
+gimp_file_proc_view_selection_changed (GtkTreeSelection *selection,
+                                       GimpFileProcView *view)
+{
+  g_signal_emit (view, view_signals[CHANGED], 0);
+}
+
+/**
+ * gimp_file_proc_view_process_procedure:
+ * @file_proc:
+ * @all:
+ *
+ * Creates a #GtkFileFilter of @file_proc and adds the extensions to
+ * the @all filter.
+ * The returned #GtkFileFilter has a normal ref and must be unreffed
+ * when used.
+ **/
+static GtkFileFilter *
+gimp_file_proc_view_process_procedure (GimpPlugInProcedure *file_proc,
+                                       GtkFileFilter       *all)
+{
+  GtkFileFilter *filter;
+  GString       *str;
+  GSList        *list;
+  gint           i;
+
+  if (! file_proc->extensions_list)
+    return NULL;
+
+  filter = gtk_file_filter_new ();
+  str    = g_string_new (gimp_procedure_get_label (GIMP_PROCEDURE (file_proc)));
+
+  /* Take ownership directly so we don't have to mess with a floating
+   * ref
+   */
+  g_object_ref_sink (filter);
+
+  for (list = file_proc->mime_types_list; list; list = g_slist_next (list))
+    {
+      const gchar *mime_type = list->data;
+
+      gtk_file_filter_add_mime_type (filter, mime_type);
+      gtk_file_filter_add_mime_type (all, mime_type);
+    }
+
+  for (list = file_proc->extensions_list, i = 0;
+       list;
+       list = g_slist_next (list), i++)
+    {
+      const gchar *extension = list->data;
+      gchar       *pattern;
+
+      pattern = gimp_file_proc_view_pattern_from_extension (extension);
+      gtk_file_filter_add_pattern (filter, pattern);
+      gtk_file_filter_add_pattern (all, pattern);
+      g_free (pattern);
+
+      if (i == 0)
+        {
+          g_string_append (str, " (");
+        }
+      else if (i <= MAX_EXTENSIONS)
+        {
+          g_string_append (str, ", ");
+        }
+
+      if (i < MAX_EXTENSIONS)
+        {
+          g_string_append (str, "*.");
+          g_string_append (str, extension);
+        }
+      else if (i == MAX_EXTENSIONS)
+        {
+          g_string_append (str, "...");
+        }
+
+      if (! list->next)
+        {
+          g_string_append (str, ")");
+        }
+    }
+
+  gtk_file_filter_set_name (filter, str->str);
+  g_string_free (str, TRUE);
+
+  return filter;
+}
+
+static gchar *
+gimp_file_proc_view_pattern_from_extension (const gchar *extension)
+{
+  gchar *pattern;
+  gchar *p;
+  gint   len, i;
+
+  g_return_val_if_fail (extension != NULL, NULL);
+
+  /* This function assumes that file extensions are 7bit ASCII.  It
+   * could certainly be rewritten to handle UTF-8 if this assumption
+   * turns out to be incorrect.
+   */
+
+  len = strlen (extension);
+
+  pattern = g_new (gchar, 4 + 4 * len);
+
+  strcpy (pattern, "*.");
+
+  for (i = 0, p = pattern + 2; i < len; i++, p+= 4)
+    {
+      p[0] = '[';
+      p[1] = g_ascii_tolower (extension[i]);
+      p[2] = g_ascii_toupper (extension[i]);
+      p[3] = ']';
+    }
+
+  *p = '\0';
+
+  return pattern;
+}