inicial

1 files changed, 672 insertions, 0 deletions

diff --git a/cut-n-paste/toolbar-editor/egg-toolbar-editor.c b/cut-n-paste/toolbar-editor/egg-toolbar-editor.c
new file mode 100644
index 00000000..5e75ba82
--- /dev/null
+++ b/cut-n-paste/toolbar-editor/egg-toolbar-editor.c
@@ -0,0 +1,672 @@
+/*
+ *  Copyright (C) 2003 Marco Pesenti Gritti
+ *
+ *  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 2, 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, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ *  $Id$
+ */
+
+#include "config.h"
+
+#include "egg-toolbar-editor.h"
+#include "egg-editable-toolbar.h"
+
+#include <string.h>
+#include <libxml/tree.h>
+#include <gtk/gtk.h>
+#include <glib/gi18n.h>
+
+static const GtkTargetEntry dest_drag_types[] = {
+  {EGG_TOOLBAR_ITEM_TYPE, GTK_TARGET_SAME_APP, 0},
+};
+
+static const GtkTargetEntry source_drag_types[] = {
+  {EGG_TOOLBAR_ITEM_TYPE, GTK_TARGET_SAME_APP, 0},
+};
+
+
+static void egg_toolbar_editor_finalize         (GObject *object);
+static void update_editor_sheet                 (EggToolbarEditor *editor);
+
+enum
+{
+  PROP_0,
+  PROP_UI_MANAGER,
+  PROP_TOOLBARS_MODEL
+};
+
+enum
+{
+  SIGNAL_HANDLER_ITEM_ADDED,
+  SIGNAL_HANDLER_ITEM_REMOVED,
+  SIGNAL_HANDLER_TOOLBAR_REMOVED,
+  SIGNAL_HANDLER_LIST_SIZE  /* Array size */
+};
+
+#define EGG_TOOLBAR_EDITOR_GET_PRIVATE(object)(G_TYPE_INSTANCE_GET_PRIVATE ((object), EGG_TYPE_TOOLBAR_EDITOR, EggToolbarEditorPrivate))
+
+struct EggToolbarEditorPrivate
+{
+  GtkUIManager *manager;
+  EggToolbarsModel *model;
+
+  GtkWidget *table;
+  GtkWidget *scrolled_window;
+  GList     *actions_list;
+  GList     *factory_list;
+
+  /* These handlers need to be sanely disconnected when switching models */
+  gulong     sig_handlers[SIGNAL_HANDLER_LIST_SIZE];
+};
+
+G_DEFINE_TYPE (EggToolbarEditor, egg_toolbar_editor, GTK_TYPE_VBOX);
+
+static gint
+compare_items (gconstpointer a,
+               gconstpointer b)
+{
+  const GtkWidget *item1 = a;
+  const GtkWidget *item2 = b;
+
+  char *key1 = g_object_get_data (G_OBJECT (item1),
+                                  "egg-collate-key");
+  char *key2 = g_object_get_data (G_OBJECT (item2),
+                                  "egg-collate-key");
+
+  return strcmp (key1, key2);
+}
+
+static GtkAction *
+find_action (EggToolbarEditor *t,
+	     const char       *name)
+{
+  GList *l;
+  GtkAction *action = NULL;
+
+  l = gtk_ui_manager_get_action_groups (t->priv->manager);
+
+  g_return_val_if_fail (EGG_IS_TOOLBAR_EDITOR (t), NULL);
+  g_return_val_if_fail (name != NULL, NULL);
+
+  for (; l != NULL; l = l->next)
+    {
+      GtkAction *tmp;
+
+      tmp = gtk_action_group_get_action (GTK_ACTION_GROUP (l->data), name);
+      if (tmp)
+	action = tmp;
+    }
+
+  return action;
+}
+
+static void
+egg_toolbar_editor_set_ui_manager (EggToolbarEditor *t,
+				   GtkUIManager     *manager)
+{
+  g_return_if_fail (GTK_IS_UI_MANAGER (manager));
+
+  t->priv->manager = g_object_ref (manager);
+}
+
+static void
+item_added_or_removed_cb (EggToolbarsModel   *model,
+                          int                 tpos,
+                          int                 ipos,
+                          EggToolbarEditor   *editor)
+{
+  update_editor_sheet (editor);
+}
+
+static void
+toolbar_removed_cb (EggToolbarsModel   *model,
+	            int                 position,
+	            EggToolbarEditor   *editor)
+{
+  update_editor_sheet (editor);
+}
+
+static void
+egg_toolbar_editor_disconnect_model (EggToolbarEditor *t)
+{
+  EggToolbarEditorPrivate *priv = t->priv;
+  EggToolbarsModel *model = priv->model;
+  gulong handler;
+  int i;
+
+  for (i = 0; i < SIGNAL_HANDLER_LIST_SIZE; i++)
+    {
+      handler = priv->sig_handlers[i];
+
+      if (handler != 0)
+        {
+	  if (g_signal_handler_is_connected (model, handler))
+	    {
+	      g_signal_handler_disconnect (model, handler);
+	    }
+
+	  priv->sig_handlers[i] = 0;
+        }
+    }
+}
+
+void
+egg_toolbar_editor_set_model (EggToolbarEditor *t,
+			      EggToolbarsModel *model)
+{
+  EggToolbarEditorPrivate *priv;
+
+  g_return_if_fail (EGG_IS_TOOLBAR_EDITOR (t));
+  g_return_if_fail (model != NULL);
+
+  priv = t->priv;
+
+  if (priv->model)
+    {
+      if (G_UNLIKELY (priv->model == model)) return;
+
+      egg_toolbar_editor_disconnect_model (t);
+      g_object_unref (priv->model);
+    }
+
+  priv->model = g_object_ref (model);
+
+  update_editor_sheet (t);
+
+  priv->sig_handlers[SIGNAL_HANDLER_ITEM_ADDED] =
+    g_signal_connect_object (model, "item_added",
+			     G_CALLBACK (item_added_or_removed_cb), t, 0);
+  priv->sig_handlers[SIGNAL_HANDLER_ITEM_REMOVED] =
+    g_signal_connect_object (model, "item_removed",
+			     G_CALLBACK (item_added_or_removed_cb), t, 0);
+  priv->sig_handlers[SIGNAL_HANDLER_TOOLBAR_REMOVED] =
+    g_signal_connect_object (model, "toolbar_removed",
+			     G_CALLBACK (toolbar_removed_cb), t, 0);
+}
+
+static void
+egg_toolbar_editor_set_property (GObject      *object,
+				 guint         prop_id,
+				 const GValue *value,
+				 GParamSpec   *pspec)
+{
+  EggToolbarEditor *t = EGG_TOOLBAR_EDITOR (object);
+
+  switch (prop_id)
+    {
+    case PROP_UI_MANAGER:
+      egg_toolbar_editor_set_ui_manager (t, g_value_get_object (value));
+      break;
+    case PROP_TOOLBARS_MODEL:
+      egg_toolbar_editor_set_model (t, g_value_get_object (value));
+      break;
+    }
+}
+
+static void
+egg_toolbar_editor_get_property (GObject    *object,
+				 guint       prop_id,
+				 GValue     *value,
+				 GParamSpec *pspec)
+{
+  EggToolbarEditor *t = EGG_TOOLBAR_EDITOR (object);
+
+  switch (prop_id)
+    {
+    case PROP_UI_MANAGER:
+      g_value_set_object (value, t->priv->manager);
+      break;
+    case PROP_TOOLBARS_MODEL:
+      g_value_set_object (value, t->priv->model);
+      break;
+    }
+}
+
+static void
+egg_toolbar_editor_class_init (EggToolbarEditorClass *klass)
+{
+  GObjectClass *object_class = G_OBJECT_CLASS (klass);
+
+  object_class->finalize = egg_toolbar_editor_finalize;
+  object_class->set_property = egg_toolbar_editor_set_property;
+  object_class->get_property = egg_toolbar_editor_get_property;
+
+  g_object_class_install_property (object_class,
+				   PROP_UI_MANAGER,
+				   g_param_spec_object ("ui-manager",
+							"UI-Manager",
+							"UI Manager",
+							GTK_TYPE_UI_MANAGER,
+							G_PARAM_READWRITE | G_PARAM_STATIC_NAME | G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB |
+							G_PARAM_CONSTRUCT_ONLY));
+ g_object_class_install_property (object_class,
+				  PROP_TOOLBARS_MODEL,
+				  g_param_spec_object ("model",
+						       "Model",
+						       "Toolbars Model",
+						       EGG_TYPE_TOOLBARS_MODEL,
+						       G_PARAM_READWRITE | G_PARAM_STATIC_NAME | G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB |
+						       G_PARAM_CONSTRUCT));
+
+  g_type_class_add_private (object_class, sizeof (EggToolbarEditorPrivate));
+}
+
+static void
+egg_toolbar_editor_finalize (GObject *object)
+{
+  EggToolbarEditor *editor = EGG_TOOLBAR_EDITOR (object);
+
+  if (editor->priv->manager)
+    {
+      g_object_unref (editor->priv->manager);
+    }
+
+  if (editor->priv->model)
+    {
+      egg_toolbar_editor_disconnect_model (editor);
+      g_object_unref (editor->priv->model);
+    }
+
+  g_list_free (editor->priv->actions_list);
+  g_list_free (editor->priv->factory_list);
+
+  G_OBJECT_CLASS (egg_toolbar_editor_parent_class)->finalize (object);
+}
+
+GtkWidget *
+egg_toolbar_editor_new (GtkUIManager *manager,
+			EggToolbarsModel *model)
+{
+  return GTK_WIDGET (g_object_new (EGG_TYPE_TOOLBAR_EDITOR,
+				   "ui-manager", manager,
+				   "model", model,
+				   NULL));
+}
+
+static void
+drag_begin_cb (GtkWidget          *widget,
+	       GdkDragContext     *context)
+{
+  gtk_widget_hide (widget);
+}
+
+static void
+drag_end_cb (GtkWidget          *widget,
+	     GdkDragContext     *context)
+{
+  gtk_widget_show (widget);
+}
+
+static void
+drag_data_get_cb (GtkWidget          *widget,
+		  GdkDragContext     *context,
+		  GtkSelectionData   *selection_data,
+		  guint               info,
+		  guint32             time,
+		  EggToolbarEditor   *editor)
+{
+  const char *target;
+
+  target = g_object_get_data (G_OBJECT (widget), "egg-item-name");
+  g_return_if_fail (target != NULL);
+
+  gtk_selection_data_set (selection_data,
+			  gtk_selection_data_get_target (selection_data), 8,
+			  (const guchar *) target, strlen (target));
+}
+
+static gchar *
+elide_underscores (const gchar *original)
+{
+  gchar *q, *result;
+  const gchar *p;
+  gboolean last_underscore;
+
+  q = result = g_malloc (strlen (original) + 1);
+  last_underscore = FALSE;
+
+  for (p = original; *p; p++)
+    {
+      if (!last_underscore && *p == '_')
+	last_underscore = TRUE;
+      else
+	{
+	  last_underscore = FALSE;
+	  *q++ = *p;
+	}
+    }
+
+  *q = '\0';
+
+  return result;
+}
+
+static void
+set_drag_cursor (GtkWidget *widget)
+{
+  GdkCursor *cursor;
+  GdkScreen *screen;
+
+  screen = gtk_widget_get_screen (widget);
+
+  cursor = gdk_cursor_new_for_display (gdk_screen_get_display (screen),
+				       GDK_HAND2);
+  gdk_window_set_cursor (gtk_widget_get_window (widget), cursor);
+  gdk_cursor_unref (cursor);
+}
+
+static void
+event_box_realize_cb (GtkWidget *widget, GtkImage *icon)
+{
+  GtkImageType type;
+
+  set_drag_cursor (widget);
+
+  type = gtk_image_get_storage_type (icon);
+  if (type == GTK_IMAGE_STOCK)
+    {
+      gchar *stock_id;
+      GdkPixbuf *pixbuf;
+
+      gtk_image_get_stock (icon, &stock_id, NULL);
+      pixbuf = gtk_widget_render_icon (widget, stock_id,
+	                               GTK_ICON_SIZE_LARGE_TOOLBAR, NULL);
+      gtk_drag_source_set_icon_pixbuf (widget, pixbuf);
+      g_object_unref (pixbuf);
+    }
+  else if (type == GTK_IMAGE_ICON_NAME)
+    {
+      const gchar *icon_name;
+      GdkScreen *screen;
+      GtkIconTheme *icon_theme;
+      GtkSettings *settings;
+      gint width, height;
+      GdkPixbuf *pixbuf;
+
+      gtk_image_get_icon_name (icon, &icon_name, NULL);
+      screen = gtk_widget_get_screen (widget);
+      icon_theme = gtk_icon_theme_get_for_screen (screen);
+      settings = gtk_settings_get_for_screen (screen);
+
+      if (!gtk_icon_size_lookup_for_settings (settings,
+                                              GTK_ICON_SIZE_LARGE_TOOLBAR,
+					      &width, &height))
+        {
+	  width = height = 24;
+	}
+
+      pixbuf = gtk_icon_theme_load_icon (icon_theme, icon_name,
+                                         MIN (width, height), 0, NULL);
+      if (G_UNLIKELY (!pixbuf))
+        return;
+
+      gtk_drag_source_set_icon_pixbuf (widget, pixbuf);
+      g_object_unref (pixbuf);
+
+    }
+  else if (type == GTK_IMAGE_PIXBUF)
+    {
+      GdkPixbuf *pixbuf = gtk_image_get_pixbuf (icon);
+      gtk_drag_source_set_icon_pixbuf (widget, pixbuf);
+    }
+}
+
+static GtkWidget *
+editor_create_item (EggToolbarEditor *editor,
+		    GtkImage	     *icon,
+		    const char       *label_text,
+		    GdkDragAction     action)
+{
+  GtkWidget *event_box;
+  GtkWidget *vbox;
+  GtkWidget *label;
+  gchar *label_no_mnemonic = NULL;
+
+  event_box = gtk_event_box_new ();
+  gtk_event_box_set_visible_window (GTK_EVENT_BOX (event_box), FALSE);
+  gtk_widget_show (event_box);
+  gtk_drag_source_set (event_box,
+		       GDK_BUTTON1_MASK,
+		       source_drag_types, G_N_ELEMENTS (source_drag_types), action);
+  g_signal_connect (event_box, "drag_data_get",
+		    G_CALLBACK (drag_data_get_cb), editor);
+  g_signal_connect_after (event_box, "realize",
+		          G_CALLBACK (event_box_realize_cb), icon);
+
+  if (action == GDK_ACTION_MOVE)
+    {
+      g_signal_connect (event_box, "drag_begin",
+		        G_CALLBACK (drag_begin_cb), NULL);
+      g_signal_connect (event_box, "drag_end",
+		        G_CALLBACK (drag_end_cb), NULL);
+    }
+
+  vbox = gtk_vbox_new (0, FALSE);
+  gtk_widget_show (vbox);
+  gtk_container_add (GTK_CONTAINER (event_box), vbox);
+
+  gtk_widget_show (GTK_WIDGET (icon));
+  gtk_box_pack_start (GTK_BOX (vbox), GTK_WIDGET (icon), FALSE, TRUE, 0);
+  label_no_mnemonic = elide_underscores (label_text);
+  label = gtk_label_new (label_no_mnemonic);
+  g_free (label_no_mnemonic);
+  gtk_widget_show (label);
+  gtk_box_pack_start (GTK_BOX (vbox), label, FALSE, TRUE, 0);
+
+  return event_box;
+}
+
+static GtkWidget *
+editor_create_item_from_name (EggToolbarEditor *editor,
+                              const char *      name,
+                              GdkDragAction     drag_action)
+{
+  GtkWidget *item;
+  const char *item_name;
+  char *short_label;
+  const char *collate_key;
+
+  if (strcmp (name, "_separator") == 0)
+    {
+      GtkWidget *icon;
+
+      icon = _egg_editable_toolbar_new_separator_image ();
+      short_label = _("Separator");
+      item_name = g_strdup (name);
+      collate_key = g_utf8_collate_key (short_label, -1);
+      item = editor_create_item (editor, GTK_IMAGE (icon),
+                                 short_label, drag_action);
+    }
+  else
+    {
+      GtkAction *action;
+      GtkWidget *icon;
+      char *stock_id, *icon_name = NULL;
+
+      action = find_action (editor, name);
+      g_return_val_if_fail (action != NULL, NULL);
+
+      g_object_get (action,
+                    "icon-name", &icon_name,
+                    "stock-id", &stock_id,
+		    "short-label", &short_label,
+		    NULL);
+
+      /* This is a workaround to catch named icons. */
+      if (icon_name)
+        icon = gtk_image_new_from_icon_name (icon_name,
+	                                     GTK_ICON_SIZE_LARGE_TOOLBAR);
+      else
+        icon = gtk_image_new_from_stock (stock_id ? stock_id : GTK_STOCK_DND,
+                                         GTK_ICON_SIZE_LARGE_TOOLBAR);
+
+      item_name = g_strdup (name);
+      collate_key = g_utf8_collate_key (short_label, -1);
+      item = editor_create_item (editor, GTK_IMAGE (icon),
+                                 short_label, drag_action);
+
+      g_free (short_label);
+      g_free (stock_id);
+      g_free (icon_name);
+    }
+
+  g_object_set_data_full (G_OBJECT (item), "egg-collate-key",
+                          (gpointer) collate_key, g_free);
+  g_object_set_data_full (G_OBJECT (item), "egg-item-name",
+                          (gpointer) item_name, g_free);
+
+  return item;
+}
+
+static gint
+append_table (GtkTable *table, GList *items, gint y, gint width)
+{
+  if (items != NULL)
+    {
+      gint x = 0, height;
+      GtkWidget *alignment;
+      GtkWidget *item;
+
+      height = g_list_length (items) / width + 1;
+      gtk_table_resize (table, height, width);
+
+      if (y > 0)
+        {
+          item = gtk_hseparator_new ();
+          alignment = gtk_alignment_new (0.5, 0.5, 1.0, 0.0);
+          gtk_container_add (GTK_CONTAINER (alignment), item);
+          gtk_widget_show (alignment);
+          gtk_widget_show (item);
+
+          gtk_table_attach_defaults (table, alignment, 0, width, y-1, y+1);
+        }
+
+      for (; items != NULL; items = items->next)
+        {
+          item = items->data;
+          alignment = gtk_alignment_new (0.5, 0.5, 0.0, 0.0);
+          gtk_container_add (GTK_CONTAINER (alignment), item);
+          gtk_widget_show (alignment);
+          gtk_widget_show (item);
+
+          if (x >= width)
+            {
+              x = 0;
+              y++;
+            }
+          gtk_table_attach_defaults (table, alignment, x, x+1, y, y+1);
+          x++;
+        }
+
+      y++;
+    }
+  return y;
+}
+
+static void
+update_editor_sheet (EggToolbarEditor *editor)
+{
+  gint y;
+  GPtrArray *items;
+  GList *to_move = NULL, *to_copy = NULL;
+  GtkWidget *table;
+  GtkWidget *viewport;
+
+  g_return_if_fail (EGG_IS_TOOLBAR_EDITOR (editor));
+
+  /* Create new table. */
+  table = gtk_table_new (0, 0, TRUE);
+  editor->priv->table = table;
+  gtk_container_set_border_width (GTK_CONTAINER (table), 12);
+  gtk_table_set_row_spacings (GTK_TABLE (table), 24);
+  gtk_widget_show (table);
+  gtk_drag_dest_set (table, GTK_DEST_DEFAULT_ALL,
+		     dest_drag_types, G_N_ELEMENTS (dest_drag_types),
+                     GDK_ACTION_MOVE | GDK_ACTION_COPY);
+
+  /* Build two lists of items (one for copying, one for moving). */
+  items = egg_toolbars_model_get_name_avail (editor->priv->model);
+  while (items->len > 0)
+    {
+      GtkWidget *item;
+      const char *name;
+      gint flags;
+
+      name = g_ptr_array_index (items, 0);
+      g_ptr_array_remove_index_fast (items, 0);
+
+      flags = egg_toolbars_model_get_name_flags (editor->priv->model, name);
+      if ((flags & EGG_TB_MODEL_NAME_INFINITE) == 0)
+        {
+          item = editor_create_item_from_name (editor, name, GDK_ACTION_MOVE);
+          if (item != NULL)
+            to_move = g_list_insert_sorted (to_move, item, compare_items);
+        }
+      else
+        {
+          item = editor_create_item_from_name (editor, name, GDK_ACTION_COPY);
+          if (item != NULL)
+            to_copy = g_list_insert_sorted (to_copy, item, compare_items);
+        }
+    }
+
+  /* Add them to the sheet. */
+  y = 0;
+  y = append_table (GTK_TABLE (table), to_move, y, 4);
+  y = append_table (GTK_TABLE (table), to_copy, y, 4);
+
+  g_list_free (to_move);
+  g_list_free (to_copy);
+  g_ptr_array_free (items, TRUE);
+
+  /* Delete old table. */
+  viewport = gtk_bin_get_child (GTK_BIN (editor->priv->scrolled_window));
+  if (viewport)
+    {
+      gtk_container_remove (GTK_CONTAINER (viewport),
+                            gtk_bin_get_child (GTK_BIN (viewport)));
+    }
+
+  /* Add table to window. */
+  gtk_scrolled_window_add_with_viewport
+    (GTK_SCROLLED_WINDOW (editor->priv->scrolled_window), table);
+
+}
+
+static void
+setup_editor (EggToolbarEditor *editor)
+{
+  GtkWidget *scrolled_window;
+
+  gtk_container_set_border_width (GTK_CONTAINER (editor), 12);
+  scrolled_window = gtk_scrolled_window_new (NULL, NULL);
+  editor->priv->scrolled_window = scrolled_window;
+  gtk_widget_show (scrolled_window);
+  gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolled_window),
+				  GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
+  gtk_box_pack_start (GTK_BOX (editor), scrolled_window, TRUE, TRUE, 0);
+}
+
+static void
+egg_toolbar_editor_init (EggToolbarEditor *t)
+{
+  t->priv = EGG_TOOLBAR_EDITOR_GET_PRIVATE (t);
+
+  t->priv->manager = NULL;
+  t->priv->actions_list = NULL;
+
+  setup_editor (t);
+}
+