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-rw-r--r--e-util/e-source-selector.c2082
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diff --git a/e-util/e-source-selector.c b/e-util/e-source-selector.c
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+/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
+/* e-source-selector.c
+ *
+ * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2 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 Lesser 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.
+ *
+ * Author: Ettore Perazzoli <ettore@ximian.com>
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <string.h>
+
+#include "e-cell-renderer-color.h"
+#include "e-source-selector.h"
+
+#define E_SOURCE_SELECTOR_GET_PRIVATE(obj) \
+ (G_TYPE_INSTANCE_GET_PRIVATE \
+ ((obj), E_TYPE_SOURCE_SELECTOR, ESourceSelectorPrivate))
+
+typedef struct _AsyncContext AsyncContext;
+
+struct _ESourceSelectorPrivate {
+ ESourceRegistry *registry;
+ GHashTable *source_index;
+ gchar *extension_name;
+
+ GtkTreeRowReference *saved_primary_selection;
+
+ /* ESource -> GSource */
+ GHashTable *pending_writes;
+ GMainContext *main_context;
+
+ gboolean toggled_last;
+ gboolean select_new;
+ gboolean show_colors;
+ gboolean show_toggles;
+};
+
+struct _AsyncContext {
+ ESourceSelector *selector;
+ ESource *source;
+};
+
+enum {
+ PROP_0,
+ PROP_EXTENSION_NAME,
+ PROP_PRIMARY_SELECTION,
+ PROP_REGISTRY,
+ PROP_SHOW_COLORS,
+ PROP_SHOW_TOGGLES
+};
+
+enum {
+ SELECTION_CHANGED,
+ PRIMARY_SELECTION_CHANGED,
+ POPUP_EVENT,
+ DATA_DROPPED,
+ NUM_SIGNALS
+};
+
+enum {
+ COLUMN_NAME,
+ COLUMN_COLOR,
+ COLUMN_ACTIVE,
+ COLUMN_SHOW_COLOR,
+ COLUMN_SHOW_TOGGLE,
+ COLUMN_WEIGHT,
+ COLUMN_SOURCE,
+ NUM_COLUMNS
+};
+
+static guint signals[NUM_SIGNALS];
+
+G_DEFINE_TYPE (ESourceSelector, e_source_selector, GTK_TYPE_TREE_VIEW)
+
+/* ESafeToggleRenderer does not emit 'toggled' signal
+ * on 'activate' when mouse is not over the toggle. */
+
+typedef GtkCellRendererToggle ECellRendererSafeToggle;
+typedef GtkCellRendererToggleClass ECellRendererSafeToggleClass;
+
+/* Forward Declarations */
+GType e_cell_renderer_safe_toggle_get_type (void);
+
+G_DEFINE_TYPE (
+ ECellRendererSafeToggle,
+ e_cell_renderer_safe_toggle,
+ GTK_TYPE_CELL_RENDERER_TOGGLE)
+
+static gboolean
+safe_toggle_activate (GtkCellRenderer *cell,
+ GdkEvent *event,
+ GtkWidget *widget,
+ const gchar *path,
+ const GdkRectangle *background_area,
+ const GdkRectangle *cell_area,
+ GtkCellRendererState flags)
+{
+ gboolean point_in_cell_area = TRUE;
+
+ if (event->type == GDK_BUTTON_PRESS && cell_area != NULL) {
+ cairo_region_t *region;
+
+ region = cairo_region_create_rectangle (cell_area);
+ point_in_cell_area = cairo_region_contains_point (
+ region, event->button.x, event->button.y);
+ cairo_region_destroy (region);
+ }
+
+ if (!point_in_cell_area)
+ return FALSE;
+
+ return GTK_CELL_RENDERER_CLASS (
+ e_cell_renderer_safe_toggle_parent_class)->activate (
+ cell, event, widget, path, background_area, cell_area, flags);
+}
+
+static void
+e_cell_renderer_safe_toggle_class_init (ECellRendererSafeToggleClass *class)
+{
+ GtkCellRendererClass *cell_renderer_class;
+
+ cell_renderer_class = GTK_CELL_RENDERER_CLASS (class);
+ cell_renderer_class->activate = safe_toggle_activate;
+}
+
+static void
+e_cell_renderer_safe_toggle_init (ECellRendererSafeToggle *obj)
+{
+}
+
+static GtkCellRenderer *
+e_cell_renderer_safe_toggle_new (void)
+{
+ return g_object_new (e_cell_renderer_safe_toggle_get_type (), NULL);
+}
+
+static void
+clear_saved_primary_selection (ESourceSelector *selector)
+{
+ gtk_tree_row_reference_free (selector->priv->saved_primary_selection);
+ selector->priv->saved_primary_selection = NULL;
+}
+
+static void
+async_context_free (AsyncContext *async_context)
+{
+ if (async_context->selector != NULL)
+ g_object_unref (async_context->selector);
+
+ if (async_context->source != NULL)
+ g_object_unref (async_context->source);
+
+ g_slice_free (AsyncContext, async_context);
+}
+
+static void
+pending_writes_destroy_source (GSource *source)
+{
+ g_source_destroy (source);
+ g_source_unref (source);
+}
+
+static void
+source_selector_write_done_cb (GObject *source_object,
+ GAsyncResult *result,
+ gpointer user_data)
+{
+ ESource *source;
+ ESourceSelector *selector;
+ GError *error = NULL;
+
+ source = E_SOURCE (source_object);
+ selector = E_SOURCE_SELECTOR (user_data);
+
+ e_source_write_finish (source, result, &error);
+
+ /* FIXME Display the error in the selector somehow? */
+ if (error != NULL) {
+ g_warning ("%s: %s", G_STRFUNC, error->message);
+ g_error_free (error);
+ }
+
+ g_object_unref (selector);
+}
+
+static gboolean
+source_selector_write_idle_cb (gpointer user_data)
+{
+ AsyncContext *async_context = user_data;
+ GHashTable *pending_writes;
+
+ /* XXX This operation is not cancellable. */
+ e_source_write (
+ async_context->source, NULL,
+ source_selector_write_done_cb,
+ g_object_ref (async_context->selector));
+
+ pending_writes = async_context->selector->priv->pending_writes;
+ g_hash_table_remove (pending_writes, async_context->source);
+
+ return FALSE;
+}
+
+static void
+source_selector_cancel_write (ESourceSelector *selector,
+ ESource *source)
+{
+ GHashTable *pending_writes;
+
+ /* Cancel any pending writes for this ESource so as not
+ * to overwrite whatever change we're being notified of. */
+ pending_writes = selector->priv->pending_writes;
+ g_hash_table_remove (pending_writes, source);
+}
+
+static void
+source_selector_update_row (ESourceSelector *selector,
+ ESource *source)
+{
+ GHashTable *source_index;
+ ESourceExtension *extension = NULL;
+ GtkTreeRowReference *reference;
+ GtkTreeModel *model;
+ GtkTreePath *path;
+ GtkTreeIter iter;
+ const gchar *extension_name;
+ const gchar *display_name;
+ gboolean selected;
+
+ source_index = selector->priv->source_index;
+ reference = g_hash_table_lookup (source_index, source);
+
+ /* This function runs when ANY ESource in the registry changes.
+ * If the ESource is not in our tree model then return silently. */
+ if (reference == NULL)
+ return;
+
+ /* If we do have a row reference, it should be valid. */
+ g_return_if_fail (gtk_tree_row_reference_valid (reference));
+
+ model = gtk_tree_row_reference_get_model (reference);
+ path = gtk_tree_row_reference_get_path (reference);
+ gtk_tree_model_get_iter (model, &iter, path);
+ gtk_tree_path_free (path);
+
+ display_name = e_source_get_display_name (source);
+
+ extension_name = e_source_selector_get_extension_name (selector);
+ selected = e_source_selector_source_is_selected (selector, source);
+
+ if (e_source_has_extension (source, extension_name))
+ extension = e_source_get_extension (source, extension_name);
+
+ if (extension != NULL) {
+ GdkColor color;
+ const gchar *color_spec = NULL;
+ gboolean show_color = FALSE;
+ gboolean show_toggle;
+
+ show_color =
+ E_IS_SOURCE_SELECTABLE (extension) &&
+ e_source_selector_get_show_colors (selector);
+
+ if (show_color)
+ color_spec = e_source_selectable_get_color (
+ E_SOURCE_SELECTABLE (extension));
+
+ if (color_spec != NULL && *color_spec != '\0')
+ show_color = gdk_color_parse (color_spec, &color);
+
+ show_toggle = e_source_selector_get_show_toggles (selector);
+
+ gtk_tree_store_set (
+ GTK_TREE_STORE (model), &iter,
+ COLUMN_NAME, display_name,
+ COLUMN_COLOR, show_color ? &color : NULL,
+ COLUMN_ACTIVE, selected,
+ COLUMN_SHOW_COLOR, show_color,
+ COLUMN_SHOW_TOGGLE, show_toggle,
+ COLUMN_WEIGHT, PANGO_WEIGHT_NORMAL,
+ COLUMN_SOURCE, source,
+ -1);
+ } else {
+ gtk_tree_store_set (
+ GTK_TREE_STORE (model), &iter,
+ COLUMN_NAME, display_name,
+ COLUMN_COLOR, NULL,
+ COLUMN_ACTIVE, FALSE,
+ COLUMN_SHOW_COLOR, FALSE,
+ COLUMN_SHOW_TOGGLE, FALSE,
+ COLUMN_WEIGHT, PANGO_WEIGHT_BOLD,
+ COLUMN_SOURCE, source,
+ -1);
+ }
+}
+
+static gboolean
+source_selector_traverse (GNode *node,
+ ESourceSelector *selector)
+{
+ ESource *source;
+ GHashTable *source_index;
+ GtkTreeRowReference *reference = NULL;
+ GtkTreeModel *model;
+ GtkTreePath *path;
+ GtkTreeIter iter;
+
+ /* Skip the root node. */
+ if (G_NODE_IS_ROOT (node))
+ return FALSE;
+
+ source_index = selector->priv->source_index;
+
+ model = gtk_tree_view_get_model (GTK_TREE_VIEW (selector));
+
+ if (node->parent != NULL && node->parent->data != NULL)
+ reference = g_hash_table_lookup (
+ source_index, node->parent->data);
+
+ if (gtk_tree_row_reference_valid (reference)) {
+ GtkTreeIter parent;
+
+ path = gtk_tree_row_reference_get_path (reference);
+ gtk_tree_model_get_iter (model, &parent, path);
+ gtk_tree_path_free (path);
+
+ gtk_tree_store_append (GTK_TREE_STORE (model), &iter, &parent);
+ } else
+ gtk_tree_store_append (GTK_TREE_STORE (model), &iter, NULL);
+
+ source = E_SOURCE (node->data);
+
+ path = gtk_tree_model_get_path (model, &iter);
+ reference = gtk_tree_row_reference_new (model, path);
+ g_hash_table_insert (source_index, g_object_ref (source), reference);
+ gtk_tree_path_free (path);
+
+ source_selector_update_row (selector, source);
+
+ return FALSE;
+}
+
+static void
+source_selector_save_expanded (GtkTreeView *tree_view,
+ GtkTreePath *path,
+ GQueue *queue)
+{
+ GtkTreeModel *model;
+ GtkTreeIter iter;
+ ESource *source;
+
+ model = gtk_tree_view_get_model (tree_view);
+ gtk_tree_model_get_iter (model, &iter, path);
+ gtk_tree_model_get (model, &iter, COLUMN_SOURCE, &source, -1);
+ g_queue_push_tail (queue, source);
+}
+
+static void
+source_selector_build_model (ESourceSelector *selector)
+{
+ ESourceRegistry *registry;
+ GQueue queue = G_QUEUE_INIT;
+ GHashTable *source_index;
+ GtkTreeView *tree_view;
+ GtkTreeModel *model;
+ ESource *selected;
+ const gchar *extension_name;
+ GNode *root;
+
+ tree_view = GTK_TREE_VIEW (selector);
+
+ registry = e_source_selector_get_registry (selector);
+ extension_name = e_source_selector_get_extension_name (selector);
+
+ /* Make sure we have what we need to build the model, since
+ * this can get called early in the initialization phase. */
+ if (registry == NULL || extension_name == NULL)
+ return;
+
+ source_index = selector->priv->source_index;
+ selected = e_source_selector_ref_primary_selection (selector);
+
+ /* Save expanded sources to restore later. */
+ gtk_tree_view_map_expanded_rows (
+ tree_view, (GtkTreeViewMappingFunc)
+ source_selector_save_expanded, &queue);
+
+ model = gtk_tree_view_get_model (tree_view);
+ gtk_tree_store_clear (GTK_TREE_STORE (model));
+
+ g_hash_table_remove_all (source_index);
+
+ root = e_source_registry_build_display_tree (registry, extension_name);
+
+ g_node_traverse (
+ root, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
+ (GNodeTraverseFunc) source_selector_traverse,
+ selector);
+
+ e_source_registry_free_display_tree (root);
+
+ /* Restore previously expanded sources. */
+ while (!g_queue_is_empty (&queue)) {
+ GtkTreeRowReference *reference;
+ ESource *source;
+
+ source = g_queue_pop_head (&queue);
+ reference = g_hash_table_lookup (source_index, source);
+
+ if (gtk_tree_row_reference_valid (reference)) {
+ GtkTreePath *path;
+
+ path = gtk_tree_row_reference_get_path (reference);
+ gtk_tree_view_expand_to_path (tree_view, path);
+ gtk_tree_path_free (path);
+ }
+
+ g_object_unref (source);
+ }
+
+ /* Restore the primary selection. */
+ if (selected != NULL) {
+ e_source_selector_set_primary_selection (selector, selected);
+ g_object_unref (selected);
+ }
+
+ /* Make sure we have a primary selection. If not, pick one. */
+ selected = e_source_selector_ref_primary_selection (selector);
+ if (selected == NULL) {
+ selected = e_source_registry_ref_default_for_extension_name (
+ registry, extension_name);
+ e_source_selector_set_primary_selection (selector, selected);
+ }
+ g_object_unref (selected);
+}
+
+static void
+source_selector_expand_to_source (ESourceSelector *selector,
+ ESource *source)
+{
+ GHashTable *source_index;
+ GtkTreeRowReference *reference;
+ GtkTreePath *path;
+
+ source_index = selector->priv->source_index;
+ reference = g_hash_table_lookup (source_index, source);
+
+ /* If the ESource is not in our tree model then return silently. */
+ if (reference == NULL)
+ return;
+
+ /* If we do have a row reference, it should be valid. */
+ g_return_if_fail (gtk_tree_row_reference_valid (reference));
+
+ /* Expand the tree view to the path containing the ESource */
+ path = gtk_tree_row_reference_get_path (reference);
+ gtk_tree_view_expand_to_path (GTK_TREE_VIEW (selector), path);
+ gtk_tree_path_free (path);
+}
+
+static void
+source_selector_source_added_cb (ESourceRegistry *registry,
+ ESource *source,
+ ESourceSelector *selector)
+{
+ source_selector_build_model (selector);
+
+ source_selector_expand_to_source (selector, source);
+}
+
+static void
+source_selector_source_changed_cb (ESourceRegistry *registry,
+ ESource *source,
+ ESourceSelector *selector)
+{
+ source_selector_cancel_write (selector, source);
+
+ source_selector_update_row (selector, source);
+}
+
+static void
+source_selector_source_removed_cb (ESourceRegistry *registry,
+ ESource *source,
+ ESourceSelector *selector)
+{
+ source_selector_build_model (selector);
+}
+
+static void
+source_selector_source_enabled_cb (ESourceRegistry *registry,
+ ESource *source,
+ ESourceSelector *selector)
+{
+ source_selector_build_model (selector);
+
+ source_selector_expand_to_source (selector, source);
+}
+
+static void
+source_selector_source_disabled_cb (ESourceRegistry *registry,
+ ESource *source,
+ ESourceSelector *selector)
+{
+ source_selector_build_model (selector);
+}
+
+static gboolean
+same_source_name_exists (ESourceSelector *selector,
+ const gchar *display_name)
+{
+ GHashTable *source_index;
+ GHashTableIter iter;
+ gpointer key;
+
+ source_index = selector->priv->source_index;
+ g_hash_table_iter_init (&iter, source_index);
+
+ while (g_hash_table_iter_next (&iter, &key, NULL)) {
+ ESource *source = E_SOURCE (key);
+ const gchar *source_name;
+
+ source_name = e_source_get_display_name (source);
+ if (g_strcmp0 (display_name, source_name) == 0)
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+static gboolean
+selection_func (GtkTreeSelection *selection,
+ GtkTreeModel *model,
+ GtkTreePath *path,
+ gboolean path_currently_selected,
+ ESourceSelector *selector)
+{
+ ESource *source;
+ GtkTreeIter iter;
+ const gchar *extension_name;
+
+ if (selector->priv->toggled_last) {
+ selector->priv->toggled_last = FALSE;
+ return FALSE;
+ }
+
+ if (path_currently_selected)
+ return TRUE;
+
+ if (!gtk_tree_model_get_iter (model, &iter, path))
+ return FALSE;
+
+ extension_name = e_source_selector_get_extension_name (selector);
+ gtk_tree_model_get (model, &iter, COLUMN_SOURCE, &source, -1);
+
+ if (!e_source_has_extension (source, extension_name)) {
+ g_object_unref (source);
+ return FALSE;
+ }
+
+ clear_saved_primary_selection (selector);
+
+ g_object_unref (source);
+
+ return TRUE;
+}
+
+static void
+text_cell_edited_cb (ESourceSelector *selector,
+ const gchar *path_string,
+ const gchar *new_name)
+{
+ GtkTreeView *tree_view;
+ GtkTreeModel *model;
+ GtkTreePath *path;
+ GtkTreeIter iter;
+ ESource *source;
+
+ tree_view = GTK_TREE_VIEW (selector);
+ model = gtk_tree_view_get_model (tree_view);
+ path = gtk_tree_path_new_from_string (path_string);
+
+ gtk_tree_model_get_iter (model, &iter, path);
+ gtk_tree_model_get (model, &iter, COLUMN_SOURCE, &source, -1);
+ gtk_tree_path_free (path);
+
+ if (new_name == NULL || *new_name == '\0')
+ return;
+
+ if (same_source_name_exists (selector, new_name))
+ return;
+
+ e_source_set_display_name (source, new_name);
+
+ e_source_selector_queue_write (selector, source);
+}
+
+static void
+cell_toggled_callback (GtkCellRendererToggle *renderer,
+ const gchar *path_string,
+ ESourceSelector *selector)
+{
+ ESource *source;
+ GtkTreeModel *model;
+ GtkTreePath *path;
+ GtkTreeIter iter;
+
+ model = gtk_tree_view_get_model (GTK_TREE_VIEW (selector));
+ path = gtk_tree_path_new_from_string (path_string);
+
+ if (!gtk_tree_model_get_iter (model, &iter, path)) {
+ gtk_tree_path_free (path);
+ return;
+ }
+
+ gtk_tree_model_get (model, &iter, COLUMN_SOURCE, &source, -1);
+
+ if (e_source_selector_source_is_selected (selector, source))
+ e_source_selector_unselect_source (selector, source);
+ else
+ e_source_selector_select_source (selector, source);
+
+ selector->priv->toggled_last = TRUE;
+
+ gtk_tree_path_free (path);
+
+ g_object_unref (source);
+}
+
+static void
+selection_changed_callback (GtkTreeSelection *selection,
+ ESourceSelector *selector)
+{
+ g_signal_emit (selector, signals[PRIMARY_SELECTION_CHANGED], 0);
+ g_object_notify (G_OBJECT (selector), "primary-selection");
+}
+
+static void
+source_selector_set_extension_name (ESourceSelector *selector,
+ const gchar *extension_name)
+{
+ g_return_if_fail (extension_name != NULL);
+ g_return_if_fail (selector->priv->extension_name == NULL);
+
+ selector->priv->extension_name = g_strdup (extension_name);
+}
+
+static void
+source_selector_set_registry (ESourceSelector *selector,
+ ESourceRegistry *registry)
+{
+ g_return_if_fail (E_IS_SOURCE_REGISTRY (registry));
+ g_return_if_fail (selector->priv->registry == NULL);
+
+ selector->priv->registry = g_object_ref (registry);
+}
+
+static void
+source_selector_set_property (GObject *object,
+ guint property_id,
+ const GValue *value,
+ GParamSpec *pspec)
+{
+ switch (property_id) {
+ case PROP_EXTENSION_NAME:
+ source_selector_set_extension_name (
+ E_SOURCE_SELECTOR (object),
+ g_value_get_string (value));
+ return;
+
+ case PROP_PRIMARY_SELECTION:
+ e_source_selector_set_primary_selection (
+ E_SOURCE_SELECTOR (object),
+ g_value_get_object (value));
+ return;
+
+ case PROP_REGISTRY:
+ source_selector_set_registry (
+ E_SOURCE_SELECTOR (object),
+ g_value_get_object (value));
+ return;
+
+ case PROP_SHOW_COLORS:
+ e_source_selector_set_show_colors (
+ E_SOURCE_SELECTOR (object),
+ g_value_get_boolean (value));
+ return;
+
+ case PROP_SHOW_TOGGLES:
+ e_source_selector_set_show_toggles (
+ E_SOURCE_SELECTOR (object),
+ g_value_get_boolean (value));
+ return;
+ }
+
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+}
+
+static void
+source_selector_get_property (GObject *object,
+ guint property_id,
+ GValue *value,
+ GParamSpec *pspec)
+{
+ switch (property_id) {
+ case PROP_EXTENSION_NAME:
+ g_value_set_string (
+ value,
+ e_source_selector_get_extension_name (
+ E_SOURCE_SELECTOR (object)));
+ return;
+
+ case PROP_PRIMARY_SELECTION:
+ g_value_take_object (
+ value,
+ e_source_selector_ref_primary_selection (
+ E_SOURCE_SELECTOR (object)));
+ return;
+
+ case PROP_REGISTRY:
+ g_value_set_object (
+ value,
+ e_source_selector_get_registry (
+ E_SOURCE_SELECTOR (object)));
+ return;
+
+ case PROP_SHOW_COLORS:
+ g_value_set_boolean (
+ value,
+ e_source_selector_get_show_colors (
+ E_SOURCE_SELECTOR (object)));
+ return;
+
+ case PROP_SHOW_TOGGLES:
+ g_value_set_boolean (
+ value,
+ e_source_selector_get_show_toggles (
+ E_SOURCE_SELECTOR (object)));
+ return;
+ }
+
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+}
+
+static void
+source_selector_dispose (GObject *object)
+{
+ ESourceSelectorPrivate *priv;
+
+ priv = E_SOURCE_SELECTOR_GET_PRIVATE (object);
+
+ if (priv->registry != NULL) {
+ g_signal_handlers_disconnect_matched (
+ priv->registry,
+ G_SIGNAL_MATCH_DATA,
+ 0, 0, NULL, NULL, object);
+ g_object_unref (priv->registry);
+ priv->registry = NULL;
+ }
+
+ g_hash_table_remove_all (priv->source_index);
+ g_hash_table_remove_all (priv->pending_writes);
+
+ clear_saved_primary_selection (E_SOURCE_SELECTOR (object));
+
+ /* Chain up to parent's dispose() method. */
+ G_OBJECT_CLASS (e_source_selector_parent_class)->dispose (object);
+}
+
+static void
+source_selector_finalize (GObject *object)
+{
+ ESourceSelectorPrivate *priv;
+
+ priv = E_SOURCE_SELECTOR_GET_PRIVATE (object);
+
+ g_hash_table_destroy (priv->source_index);
+ g_hash_table_destroy (priv->pending_writes);
+
+ g_free (priv->extension_name);
+
+ if (priv->main_context != NULL)
+ g_main_context_unref (priv->main_context);
+
+ /* Chain up to parent's finalize() method. */
+ G_OBJECT_CLASS (e_source_selector_parent_class)->finalize (object);
+}
+
+static void
+source_selector_constructed (GObject *object)
+{
+ ESourceRegistry *registry;
+ ESourceSelector *selector;
+
+ selector = E_SOURCE_SELECTOR (object);
+ registry = e_source_selector_get_registry (selector);
+
+ g_signal_connect (
+ registry, "source-added",
+ G_CALLBACK (source_selector_source_added_cb), selector);
+
+ g_signal_connect (
+ registry, "source-changed",
+ G_CALLBACK (source_selector_source_changed_cb), selector);
+
+ g_signal_connect (
+ registry, "source-removed",
+ G_CALLBACK (source_selector_source_removed_cb), selector);
+
+ g_signal_connect (
+ registry, "source-enabled",
+ G_CALLBACK (source_selector_source_enabled_cb), selector);
+
+ g_signal_connect (
+ registry, "source-disabled",
+ G_CALLBACK (source_selector_source_disabled_cb), selector);
+
+ source_selector_build_model (selector);
+
+ gtk_tree_view_expand_all (GTK_TREE_VIEW (selector));
+}
+
+static gboolean
+source_selector_button_press_event (GtkWidget *widget,
+ GdkEventButton *event)
+{
+ ESourceSelector *selector;
+ GtkWidgetClass *widget_class;
+ GtkTreePath *path;
+ ESource *source = NULL;
+ ESource *primary;
+ gboolean right_click = FALSE;
+ gboolean triple_click = FALSE;
+ gboolean row_exists;
+ gboolean res = FALSE;
+
+ selector = E_SOURCE_SELECTOR (widget);
+
+ selector->priv->toggled_last = FALSE;
+
+ /* Triple-clicking a source selects it exclusively. */
+
+ if (event->button == 3 && event->type == GDK_BUTTON_PRESS)
+ right_click = TRUE;
+ else if (event->button == 1 && event->type == GDK_3BUTTON_PRESS)
+ triple_click = TRUE;
+ else
+ goto chainup;
+
+ row_exists = gtk_tree_view_get_path_at_pos (
+ GTK_TREE_VIEW (widget), event->x, event->y,
+ &path, NULL, NULL, NULL);
+
+ /* Get the source/group */
+ if (row_exists) {
+ GtkTreeModel *model;
+ GtkTreeIter iter;
+
+ model = gtk_tree_view_get_model (GTK_TREE_VIEW (widget));
+
+ gtk_tree_model_get_iter (model, &iter, path);
+ gtk_tree_model_get (model, &iter, COLUMN_SOURCE, &source, -1);
+ }
+
+ if (source == NULL)
+ goto chainup;
+
+ primary = e_source_selector_ref_primary_selection (selector);
+ if (source != primary)
+ e_source_selector_set_primary_selection (selector, source);
+ if (primary != NULL)
+ g_object_unref (primary);
+
+ if (right_click)
+ g_signal_emit (
+ widget, signals[POPUP_EVENT], 0, source, event, &res);
+
+ if (triple_click) {
+ e_source_selector_select_exclusive (selector, source);
+ res = TRUE;
+ }
+
+ g_object_unref (source);
+
+ return res;
+
+chainup:
+
+ /* Chain up to parent's button_press_event() method. */
+ widget_class = GTK_WIDGET_CLASS (e_source_selector_parent_class);
+ return widget_class->button_press_event (widget, event);
+}
+
+static void
+source_selector_drag_leave (GtkWidget *widget,
+ GdkDragContext *context,
+ guint time_)
+{
+ GtkTreeView *tree_view;
+ GtkTreeViewDropPosition pos;
+
+ tree_view = GTK_TREE_VIEW (widget);
+ pos = GTK_TREE_VIEW_DROP_BEFORE;
+
+ gtk_tree_view_set_drag_dest_row (tree_view, NULL, pos);
+}
+
+static gboolean
+source_selector_drag_motion (GtkWidget *widget,
+ GdkDragContext *context,
+ gint x,
+ gint y,
+ guint time_)
+{
+ ESource *source = NULL;
+ GtkTreeView *tree_view;
+ GtkTreeModel *model;
+ GtkTreePath *path = NULL;
+ GtkTreeIter iter;
+ GtkTreeViewDropPosition pos;
+ GdkDragAction action = 0;
+
+ tree_view = GTK_TREE_VIEW (widget);
+ model = gtk_tree_view_get_model (tree_view);
+
+ if (!gtk_tree_view_get_dest_row_at_pos (tree_view, x, y, &path, NULL))
+ goto exit;
+
+ if (!gtk_tree_model_get_iter (model, &iter, path))
+ goto exit;
+
+ gtk_tree_model_get (model, &iter, COLUMN_SOURCE, &source, -1);
+
+ if (!e_source_get_writable (source))
+ goto exit;
+
+ pos = GTK_TREE_VIEW_DROP_INTO_OR_BEFORE;
+ gtk_tree_view_set_drag_dest_row (tree_view, path, pos);
+
+ if (gdk_drag_context_get_actions (context) & GDK_ACTION_MOVE)
+ action = GDK_ACTION_MOVE;
+ else
+ action = gdk_drag_context_get_suggested_action (context);
+
+exit:
+ if (path != NULL)
+ gtk_tree_path_free (path);
+
+ if (source != NULL)
+ g_object_unref (source);
+
+ gdk_drag_status (context, action, time_);
+
+ return TRUE;
+}
+
+static gboolean
+source_selector_drag_drop (GtkWidget *widget,
+ GdkDragContext *context,
+ gint x,
+ gint y,
+ guint time_)
+{
+ ESource *source;
+ ESourceSelector *selector;
+ GtkTreeView *tree_view;
+ GtkTreeModel *model;
+ GtkTreePath *path;
+ GtkTreeIter iter;
+ const gchar *extension_name;
+ gboolean drop_zone;
+ gboolean valid;
+
+ tree_view = GTK_TREE_VIEW (widget);
+ model = gtk_tree_view_get_model (tree_view);
+
+ if (!gtk_tree_view_get_path_at_pos (
+ tree_view, x, y, &path, NULL, NULL, NULL))
+ return FALSE;
+
+ valid = gtk_tree_model_get_iter (model, &iter, path);
+ gtk_tree_path_free (path);
+ g_return_val_if_fail (valid, FALSE);
+
+ gtk_tree_model_get (model, &iter, COLUMN_SOURCE, &source, -1);
+
+ selector = E_SOURCE_SELECTOR (widget);
+ extension_name = e_source_selector_get_extension_name (selector);
+ drop_zone = e_source_has_extension (source, extension_name);
+
+ g_object_unref (source);
+
+ return drop_zone;
+}
+
+static void
+source_selector_drag_data_received (GtkWidget *widget,
+ GdkDragContext *context,
+ gint x,
+ gint y,
+ GtkSelectionData *selection_data,
+ guint info,
+ guint time_)
+{
+ ESource *source = NULL;
+ GtkTreeView *tree_view;
+ GtkTreeModel *model;
+ GtkTreePath *path = NULL;
+ GtkTreeIter iter;
+ GdkDragAction action;
+ gboolean delete;
+ gboolean success = FALSE;
+
+ tree_view = GTK_TREE_VIEW (widget);
+ model = gtk_tree_view_get_model (tree_view);
+
+ action = gdk_drag_context_get_selected_action (context);
+ delete = (action == GDK_ACTION_MOVE);
+
+ if (!gtk_tree_view_get_dest_row_at_pos (tree_view, x, y, &path, NULL))
+ goto exit;
+
+ if (!gtk_tree_model_get_iter (model, &iter, path))
+ goto exit;
+
+ gtk_tree_model_get (model, &iter, COLUMN_SOURCE, &source, -1);
+
+ if (!e_source_get_writable (source))
+ goto exit;
+
+ g_signal_emit (
+ widget, signals[DATA_DROPPED], 0, selection_data,
+ source, gdk_drag_context_get_selected_action (context),
+ info, &success);
+
+exit:
+ if (path != NULL)
+ gtk_tree_path_free (path);
+
+ if (source != NULL)
+ g_object_unref (source);
+
+ gtk_drag_finish (context, success, delete, time_);
+}
+
+static gboolean
+source_selector_popup_menu (GtkWidget *widget)
+{
+ ESourceSelector *selector;
+ ESource *source;
+ gboolean res = FALSE;
+
+ selector = E_SOURCE_SELECTOR (widget);
+ source = e_source_selector_ref_primary_selection (selector);
+ g_signal_emit (selector, signals[POPUP_EVENT], 0, source, NULL, &res);
+
+ if (source != NULL)
+ g_object_unref (source);
+
+ return res;
+}
+
+static gboolean
+source_selector_test_collapse_row (GtkTreeView *tree_view,
+ GtkTreeIter *iter,
+ GtkTreePath *path)
+{
+ ESourceSelectorPrivate *priv;
+ GtkTreeSelection *selection;
+ GtkTreeModel *model;
+ GtkTreeIter child_iter;
+
+ priv = E_SOURCE_SELECTOR_GET_PRIVATE (tree_view);
+
+ /* Clear this because something else has been clicked on now */
+ priv->toggled_last = FALSE;
+
+ if (priv->saved_primary_selection)
+ return FALSE;
+
+ selection = gtk_tree_view_get_selection (tree_view);
+
+ if (!gtk_tree_selection_get_selected (selection, &model, &child_iter))
+ return FALSE;
+
+ if (gtk_tree_store_is_ancestor (GTK_TREE_STORE (model), iter, &child_iter)) {
+ GtkTreeRowReference *reference;
+ GtkTreePath *child_path;
+
+ child_path = gtk_tree_model_get_path (model, &child_iter);
+ reference = gtk_tree_row_reference_new (model, child_path);
+ priv->saved_primary_selection = reference;
+ gtk_tree_path_free (child_path);
+ }
+
+ return FALSE;
+}
+
+static void
+source_selector_row_expanded (GtkTreeView *tree_view,
+ GtkTreeIter *iter,
+ GtkTreePath *path)
+{
+ ESourceSelectorPrivate *priv;
+ GtkTreeModel *model;
+ GtkTreePath *child_path;
+ GtkTreeIter child_iter;
+
+ priv = E_SOURCE_SELECTOR_GET_PRIVATE (tree_view);
+
+ if (!priv->saved_primary_selection)
+ return;
+
+ model = gtk_tree_view_get_model (tree_view);
+
+ child_path = gtk_tree_row_reference_get_path (
+ priv->saved_primary_selection);
+ gtk_tree_model_get_iter (model, &child_iter, child_path);
+
+ if (gtk_tree_store_is_ancestor (GTK_TREE_STORE (model), iter, &child_iter)) {
+ GtkTreeSelection *selection;
+
+ selection = gtk_tree_view_get_selection (tree_view);
+ gtk_tree_selection_select_iter (selection, &child_iter);
+
+ clear_saved_primary_selection (E_SOURCE_SELECTOR (tree_view));
+ }
+
+ gtk_tree_path_free (child_path);
+}
+
+static gboolean
+source_selector_get_source_selected (ESourceSelector *selector,
+ ESource *source)
+{
+ ESourceSelectable *extension;
+ const gchar *extension_name;
+ gboolean selected = TRUE;
+
+ extension_name = e_source_selector_get_extension_name (selector);
+
+ if (!e_source_has_extension (source, extension_name))
+ return FALSE;
+
+ extension = e_source_get_extension (source, extension_name);
+
+ if (E_IS_SOURCE_SELECTABLE (extension))
+ selected = e_source_selectable_get_selected (extension);
+
+ return selected;
+}
+
+static void
+source_selector_set_source_selected (ESourceSelector *selector,
+ ESource *source,
+ gboolean selected)
+{
+ ESourceSelectable *extension;
+ const gchar *extension_name;
+
+ extension_name = e_source_selector_get_extension_name (selector);
+
+ if (!e_source_has_extension (source, extension_name))
+ return;
+
+ extension = e_source_get_extension (source, extension_name);
+
+ if (!E_IS_SOURCE_SELECTABLE (extension))
+ return;
+
+ if (selected != e_source_selectable_get_selected (extension)) {
+ e_source_selectable_set_selected (extension, selected);
+ e_source_selector_queue_write (selector, source);
+ }
+}
+
+static gboolean
+ess_bool_accumulator (GSignalInvocationHint *ihint,
+ GValue *out,
+ const GValue *in,
+ gpointer data)
+{
+ gboolean v_boolean;
+
+ v_boolean = g_value_get_boolean (in);
+ g_value_set_boolean (out, v_boolean);
+
+ return !v_boolean;
+}
+
+static void
+e_source_selector_class_init (ESourceSelectorClass *class)
+{
+ GObjectClass *object_class;
+ GtkWidgetClass *widget_class;
+ GtkTreeViewClass *tree_view_class;
+
+ g_type_class_add_private (class, sizeof (ESourceSelectorPrivate));
+
+ object_class = G_OBJECT_CLASS (class);
+ object_class->set_property = source_selector_set_property;
+ object_class->get_property = source_selector_get_property;
+ object_class->dispose = source_selector_dispose;
+ object_class->finalize = source_selector_finalize;
+ object_class->constructed = source_selector_constructed;
+
+ widget_class = GTK_WIDGET_CLASS (class);
+ widget_class->button_press_event = source_selector_button_press_event;
+ widget_class->drag_leave = source_selector_drag_leave;
+ widget_class->drag_motion = source_selector_drag_motion;
+ widget_class->drag_drop = source_selector_drag_drop;
+ widget_class->drag_data_received = source_selector_drag_data_received;
+ widget_class->popup_menu = source_selector_popup_menu;
+
+ tree_view_class = GTK_TREE_VIEW_CLASS (class);
+ tree_view_class->test_collapse_row = source_selector_test_collapse_row;
+ tree_view_class->row_expanded = source_selector_row_expanded;
+
+ class->get_source_selected = source_selector_get_source_selected;
+ class->set_source_selected = source_selector_set_source_selected;
+
+ g_object_class_install_property (
+ object_class,
+ PROP_EXTENSION_NAME,
+ g_param_spec_string (
+ "extension-name",
+ NULL,
+ NULL,
+ NULL,
+ G_PARAM_READWRITE |
+ G_PARAM_CONSTRUCT_ONLY |
+ G_PARAM_STATIC_STRINGS));
+
+ g_object_class_install_property (
+ object_class,
+ PROP_PRIMARY_SELECTION,
+ g_param_spec_object (
+ "primary-selection",
+ NULL,
+ NULL,
+ E_TYPE_SOURCE,
+ G_PARAM_READWRITE |
+ G_PARAM_STATIC_STRINGS));
+
+ g_object_class_install_property (
+ object_class,
+ PROP_REGISTRY,
+ g_param_spec_object (
+ "registry",
+ NULL,
+ NULL,
+ E_TYPE_SOURCE_REGISTRY,
+ G_PARAM_READWRITE |
+ G_PARAM_CONSTRUCT_ONLY |
+ G_PARAM_STATIC_STRINGS));
+
+ g_object_class_install_property (
+ object_class,
+ PROP_SHOW_COLORS,
+ g_param_spec_boolean (
+ "show-colors",
+ NULL,
+ NULL,
+ TRUE,
+ G_PARAM_READWRITE |
+ G_PARAM_STATIC_STRINGS));
+
+ g_object_class_install_property (
+ object_class,
+ PROP_SHOW_TOGGLES,
+ g_param_spec_boolean (
+ "show-toggles",
+ NULL,
+ NULL,
+ TRUE,
+ G_PARAM_READWRITE |
+ G_PARAM_STATIC_STRINGS));
+
+ signals[SELECTION_CHANGED] = g_signal_new (
+ "selection-changed",
+ G_OBJECT_CLASS_TYPE (object_class),
+ G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET (ESourceSelectorClass, selection_changed),
+ NULL, NULL,
+ g_cclosure_marshal_VOID__VOID,
+ G_TYPE_NONE, 0);
+
+ /* XXX Consider this signal deprecated. Connect
+ * to "notify::primary-selection" instead. */
+ signals[PRIMARY_SELECTION_CHANGED] = g_signal_new (
+ "primary-selection-changed",
+ G_OBJECT_CLASS_TYPE (object_class),
+ G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET (ESourceSelectorClass, primary_selection_changed),
+ NULL, NULL,
+ g_cclosure_marshal_VOID__VOID,
+ G_TYPE_NONE, 0);
+
+ signals[POPUP_EVENT] = g_signal_new (
+ "popup-event",
+ G_OBJECT_CLASS_TYPE (object_class),
+ G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET (ESourceSelectorClass, popup_event),
+ ess_bool_accumulator, NULL, NULL,
+ G_TYPE_BOOLEAN, 2, G_TYPE_OBJECT,
+ GDK_TYPE_EVENT | G_SIGNAL_TYPE_STATIC_SCOPE);
+
+ signals[DATA_DROPPED] = g_signal_new (
+ "data-dropped",
+ G_OBJECT_CLASS_TYPE (object_class),
+ G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET (ESourceSelectorClass, data_dropped),
+ NULL, NULL, NULL,
+ G_TYPE_BOOLEAN, 4,
+ GTK_TYPE_SELECTION_DATA | G_SIGNAL_TYPE_STATIC_SCOPE,
+ E_TYPE_SOURCE,
+ GDK_TYPE_DRAG_ACTION,
+ G_TYPE_UINT);
+}
+
+static void
+e_source_selector_init (ESourceSelector *selector)
+{
+ GHashTable *pending_writes;
+ GtkTreeViewColumn *column;
+ GtkTreeSelection *selection;
+ GtkCellRenderer *renderer;
+ GtkTreeStore *tree_store;
+ GtkTreeView *tree_view;
+
+ pending_writes = g_hash_table_new_full (
+ (GHashFunc) g_direct_hash,
+ (GEqualFunc) g_direct_equal,
+ (GDestroyNotify) g_object_unref,
+ (GDestroyNotify) pending_writes_destroy_source);
+
+ selector->priv = E_SOURCE_SELECTOR_GET_PRIVATE (selector);
+
+ selector->priv->pending_writes = pending_writes;
+
+ selector->priv->main_context = g_main_context_get_thread_default ();
+ if (selector->priv->main_context != NULL)
+ g_main_context_ref (selector->priv->main_context);
+
+ tree_view = GTK_TREE_VIEW (selector);
+
+ gtk_tree_view_set_search_column (tree_view, COLUMN_SOURCE);
+ gtk_tree_view_set_enable_search (tree_view, TRUE);
+
+ selector->priv->toggled_last = FALSE;
+ selector->priv->select_new = FALSE;
+ selector->priv->show_colors = TRUE;
+ selector->priv->show_toggles = TRUE;
+
+ selector->priv->source_index = g_hash_table_new_full (
+ (GHashFunc) e_source_hash,
+ (GEqualFunc) e_source_equal,
+ (GDestroyNotify) g_object_unref,
+ (GDestroyNotify) gtk_tree_row_reference_free);
+
+ tree_store = gtk_tree_store_new (
+ NUM_COLUMNS,
+ G_TYPE_STRING, /* COLUMN_NAME */
+ GDK_TYPE_COLOR, /* COLUMN_COLOR */
+ G_TYPE_BOOLEAN, /* COLUMN_ACTIVE */
+ G_TYPE_BOOLEAN, /* COLUMN_SHOW_COLOR */
+ G_TYPE_BOOLEAN, /* COLUMN_SHOW_TOGGLE */
+ G_TYPE_INT, /* COLUMN_WEIGHT */
+ E_TYPE_SOURCE); /* COLUMN_SOURCE */
+
+ gtk_tree_view_set_model (tree_view, GTK_TREE_MODEL (tree_store));
+
+ column = gtk_tree_view_column_new ();
+ gtk_tree_view_append_column (tree_view, column);
+
+ renderer = e_cell_renderer_color_new ();
+ g_object_set (
+ G_OBJECT (renderer), "mode",
+ GTK_CELL_RENDERER_MODE_ACTIVATABLE, NULL);
+ gtk_tree_view_column_pack_start (column, renderer, FALSE);
+ gtk_tree_view_column_add_attribute (
+ column, renderer, "color", COLUMN_COLOR);
+ gtk_tree_view_column_add_attribute (
+ column, renderer, "visible", COLUMN_SHOW_COLOR);
+
+ renderer = e_cell_renderer_safe_toggle_new ();
+ gtk_tree_view_column_pack_start (column, renderer, FALSE);
+ gtk_tree_view_column_add_attribute (
+ column, renderer, "active", COLUMN_ACTIVE);
+ gtk_tree_view_column_add_attribute (
+ column, renderer, "visible", COLUMN_SHOW_TOGGLE);
+ g_signal_connect (
+ renderer, "toggled",
+ G_CALLBACK (cell_toggled_callback), selector);
+
+ renderer = gtk_cell_renderer_text_new ();
+ g_object_set (
+ G_OBJECT (renderer),
+ "ellipsize", PANGO_ELLIPSIZE_END, NULL);
+ g_signal_connect_swapped (
+ renderer, "edited",
+ G_CALLBACK (text_cell_edited_cb), selector);
+ gtk_tree_view_column_pack_start (column, renderer, TRUE);
+ gtk_tree_view_column_set_attributes (
+ column, renderer,
+ "text", COLUMN_NAME,
+ "weight", COLUMN_WEIGHT,
+ NULL);
+
+ selection = gtk_tree_view_get_selection (tree_view);
+ gtk_tree_selection_set_select_function (
+ selection, (GtkTreeSelectionFunc)
+ selection_func, selector, NULL);
+ g_signal_connect_object (
+ selection, "changed",
+ G_CALLBACK (selection_changed_callback),
+ G_OBJECT (selector), 0);
+
+ gtk_tree_view_set_headers_visible (tree_view, FALSE);
+}
+
+/**
+ * e_source_selector_new:
+ * @registry: an #ESourceRegistry
+ * @extension_name: the name of an #ESource extension
+ *
+ * Displays a list of sources from @registry having an extension named
+ * @extension_name. The sources are grouped by backend or groupware
+ * account, which are described by the parent source.
+ *
+ * Returns: a new #ESourceSelector
+ **/
+GtkWidget *
+e_source_selector_new (ESourceRegistry *registry,
+ const gchar *extension_name)
+{
+ g_return_val_if_fail (E_IS_SOURCE_REGISTRY (registry), NULL);
+ g_return_val_if_fail (extension_name != NULL, NULL);
+
+ return g_object_new (
+ E_TYPE_SOURCE_SELECTOR, "registry", registry,
+ "extension-name", extension_name, NULL);
+}
+
+/**
+ * e_source_selector_get_registry:
+ * @selector: an #ESourceSelector
+ *
+ * Returns the #ESourceRegistry that @selector is getting sources from.
+ *
+ * Returns: an #ESourceRegistry
+ *
+ * Since: 3.6
+ **/
+ESourceRegistry *
+e_source_selector_get_registry (ESourceSelector *selector)
+{
+ g_return_val_if_fail (E_IS_SOURCE_SELECTOR (selector), NULL);
+
+ return selector->priv->registry;
+}
+
+/**
+ * e_source_selector_get_extension_name:
+ * @selector: an #ESourceSelector
+ *
+ * Returns the extension name used to filter which sources are displayed.
+ *
+ * Returns: the #ESource extension name
+ *
+ * Since: 3.6
+ **/
+const gchar *
+e_source_selector_get_extension_name (ESourceSelector *selector)
+{
+ g_return_val_if_fail (E_IS_SOURCE_SELECTOR (selector), NULL);
+
+ return selector->priv->extension_name;
+}
+
+/**
+ * e_source_selector_get_show_colors:
+ * @selector: an #ESourceSelector
+ *
+ * Returns whether colors are shown next to data sources.
+ *
+ * Returns: %TRUE if colors are being shown
+ *
+ * Since: 3.6
+ **/
+gboolean
+e_source_selector_get_show_colors (ESourceSelector *selector)
+{
+ g_return_val_if_fail (E_IS_SOURCE_SELECTOR (selector), FALSE);
+
+ return selector->priv->show_colors;
+}
+
+/**
+ * e_source_selector_set_show_colors:
+ * @selector: an #ESourceSelector
+ * @show_colors: whether to show colors
+ *
+ * Sets whether to show colors next to data sources.
+ *
+ * Since: 3.6
+ **/
+void
+e_source_selector_set_show_colors (ESourceSelector *selector,
+ gboolean show_colors)
+{
+ g_return_if_fail (E_IS_SOURCE_SELECTOR (selector));
+
+ if ((show_colors ? 1 : 0) == (selector->priv->show_colors ? 1 : 0))
+ return;
+
+ selector->priv->show_colors = show_colors;
+
+ g_object_notify (G_OBJECT (selector), "show-colors");
+
+ source_selector_build_model (selector);
+}
+
+/**
+ * e_source_selector_get_show_toggles:
+ * @selector: an #ESourceSelector
+ *
+ * Returns whether toggles are shown next to data sources.
+ *
+ * Returns: %TRUE if toggles are being shown
+ *
+ * Since: 3.6
+ **/
+gboolean
+e_source_selector_get_show_toggles (ESourceSelector *selector)
+{
+ g_return_val_if_fail (E_IS_SOURCE_SELECTOR (selector), FALSE);
+
+ return selector->priv->show_toggles;
+}
+
+/**
+ * e_source_selector_set_show_toggles:
+ * @selector: an #ESourceSelector
+ * @show_toggles: whether to show toggles
+ *
+ * Sets whether to show toggles next to data sources.
+ *
+ * Since: 3.6
+ **/
+void
+e_source_selector_set_show_toggles (ESourceSelector *selector,
+ gboolean show_toggles)
+{
+ g_return_if_fail (E_IS_SOURCE_SELECTOR (selector));
+
+ if ((show_toggles ? 1 : 0) == (selector->priv->show_toggles ? 1 : 0))
+ return;
+
+ selector->priv->show_toggles = show_toggles;
+
+ g_object_notify (G_OBJECT (selector), "show-toggles");
+
+ source_selector_build_model (selector);
+}
+
+/* Helper for e_source_selector_get_selection() */
+static gboolean
+source_selector_check_selected (GtkTreeModel *model,
+ GtkTreePath *path,
+ GtkTreeIter *iter,
+ gpointer user_data)
+{
+ ESource *source;
+
+ struct {
+ ESourceSelector *selector;
+ GSList *list;
+ } *closure = user_data;
+
+ gtk_tree_model_get (model, iter, COLUMN_SOURCE, &source, -1);
+
+ if (e_source_selector_source_is_selected (closure->selector, source))
+ closure->list = g_slist_prepend (closure->list, source);
+ else
+ g_object_unref (source);
+
+ return FALSE;
+}
+
+/**
+ * e_source_selector_get_selection:
+ * @selector: an #ESourceSelector
+ *
+ * Get the list of selected sources, i.e. those that were enabled through the
+ * corresponding checkboxes in the tree.
+ *
+ * Returns: A list of the ESources currently selected. The sources will
+ * be in the same order as they appear on the screen, and the list should be
+ * freed using e_source_selector_free_selection().
+ **/
+GSList *
+e_source_selector_get_selection (ESourceSelector *selector)
+{
+ struct {
+ ESourceSelector *selector;
+ GSList *list;
+ } closure;
+
+ g_return_val_if_fail (E_IS_SOURCE_SELECTOR (selector), NULL);
+
+ closure.selector = selector;
+ closure.list = NULL;
+
+ gtk_tree_model_foreach (
+ gtk_tree_view_get_model (GTK_TREE_VIEW (selector)),
+ (GtkTreeModelForeachFunc) source_selector_check_selected,
+ &closure);
+
+ return g_slist_reverse (closure.list);
+}
+
+/**
+ * e_source_list_free_selection:
+ * @list: A selection list returned by e_source_selector_get_selection().
+ *
+ * Free the selection list.
+ **/
+void
+e_source_selector_free_selection (GSList *list)
+{
+ g_slist_foreach (list, (GFunc) g_object_unref, NULL);
+ g_slist_free (list);
+}
+
+/**
+ * e_source_selector_set_select_new:
+ * @selector: An #ESourceSelector widget
+ * @state: A gboolean
+ *
+ * Set whether or not to select new sources added to @selector.
+ **/
+void
+e_source_selector_set_select_new (ESourceSelector *selector,
+ gboolean state)
+{
+ g_return_if_fail (E_IS_SOURCE_SELECTOR (selector));
+
+ selector->priv->select_new = state;
+}
+
+/**
+ * e_source_selector_select_source:
+ * @selector: An #ESourceSelector widget
+ * @source: An #ESource.
+ *
+ * Select @source in @selector.
+ **/
+void
+e_source_selector_select_source (ESourceSelector *selector,
+ ESource *source)
+{
+ ESourceSelectorClass *class;
+ GtkTreeRowReference *reference;
+ GHashTable *source_index;
+
+ g_return_if_fail (E_IS_SOURCE_SELECTOR (selector));
+ g_return_if_fail (E_IS_SOURCE (source));
+
+ /* Make sure the ESource is in our tree model. */
+ source_index = selector->priv->source_index;
+ reference = g_hash_table_lookup (source_index, source);
+ g_return_if_fail (gtk_tree_row_reference_valid (reference));
+
+ class = E_SOURCE_SELECTOR_GET_CLASS (selector);
+ g_return_if_fail (class->set_source_selected != NULL);
+
+ class->set_source_selected (selector, source, TRUE);
+
+ g_signal_emit (selector, signals[SELECTION_CHANGED], 0);
+}
+
+/**
+ * e_source_selector_unselect_source:
+ * @selector: An #ESourceSelector widget
+ * @source: An #ESource.
+ *
+ * Unselect @source in @selector.
+ **/
+void
+e_source_selector_unselect_source (ESourceSelector *selector,
+ ESource *source)
+{
+ ESourceSelectorClass *class;
+ GtkTreeRowReference *reference;
+ GHashTable *source_index;
+
+ g_return_if_fail (E_IS_SOURCE_SELECTOR (selector));
+ g_return_if_fail (E_IS_SOURCE (source));
+
+ /* Make sure the ESource is in our tree model. */
+ source_index = selector->priv->source_index;
+ reference = g_hash_table_lookup (source_index, source);
+ g_return_if_fail (gtk_tree_row_reference_valid (reference));
+
+ class = E_SOURCE_SELECTOR_GET_CLASS (selector);
+ g_return_if_fail (class->set_source_selected != NULL);
+
+ class->set_source_selected (selector, source, FALSE);
+
+ g_signal_emit (selector, signals[SELECTION_CHANGED], 0);
+}
+
+/**
+ * e_source_selector_select_exclusive:
+ * @selector: An #ESourceSelector widget
+ * @source: An #ESource.
+ *
+ * Select @source in @selector and unselect all others.
+ *
+ * Since: 2.30
+ **/
+void
+e_source_selector_select_exclusive (ESourceSelector *selector,
+ ESource *source)
+{
+ ESourceSelectorClass *class;
+ GHashTable *source_index;
+ GHashTableIter iter;
+ gpointer key;
+
+ g_return_if_fail (E_IS_SOURCE_SELECTOR (selector));
+ g_return_if_fail (E_IS_SOURCE (source));
+
+ class = E_SOURCE_SELECTOR_GET_CLASS (selector);
+ g_return_if_fail (class->set_source_selected != NULL);
+
+ source_index = selector->priv->source_index;
+ g_hash_table_iter_init (&iter, source_index);
+
+ while (g_hash_table_iter_next (&iter, &key, NULL)) {
+ gboolean selected = e_source_equal (key, source);
+ class->set_source_selected (selector, key, selected);
+ }
+
+ g_signal_emit (selector, signals[SELECTION_CHANGED], 0);
+}
+
+/**
+ * e_source_selector_source_is_selected:
+ * @selector: An #ESourceSelector widget
+ * @source: An #ESource.
+ *
+ * Check whether @source is selected in @selector.
+ *
+ * Returns: %TRUE if @source is currently selected, %FALSE otherwise.
+ **/
+gboolean
+e_source_selector_source_is_selected (ESourceSelector *selector,
+ ESource *source)
+{
+ ESourceSelectorClass *class;
+ GtkTreeRowReference *reference;
+ GHashTable *source_index;
+
+ g_return_val_if_fail (E_IS_SOURCE_SELECTOR (selector), FALSE);
+ g_return_val_if_fail (E_IS_SOURCE (source), FALSE);
+
+ /* Make sure the ESource is in our tree model. */
+ source_index = selector->priv->source_index;
+ reference = g_hash_table_lookup (source_index, source);
+ g_return_val_if_fail (gtk_tree_row_reference_valid (reference), FALSE);
+
+ class = E_SOURCE_SELECTOR_GET_CLASS (selector);
+ g_return_val_if_fail (class->get_source_selected != NULL, FALSE);
+
+ return class->get_source_selected (selector, source);
+}
+
+/**
+ * e_source_selector_edit_primary_selection:
+ * @selector: An #ESourceSelector widget
+ *
+ * Allows the user to rename the primary selected source by opening an
+ * entry box directly in @selector.
+ *
+ * Since: 2.26
+ **/
+void
+e_source_selector_edit_primary_selection (ESourceSelector *selector)
+{
+ GtkTreeRowReference *reference;
+ GtkTreeSelection *selection;
+ GtkTreeViewColumn *column;
+ GtkCellRenderer *renderer;
+ GtkTreeView *tree_view;
+ GtkTreeModel *model;
+ GtkTreePath *path = NULL;
+ GtkTreeIter iter;
+ GList *list;
+
+ g_return_if_fail (E_IS_SOURCE_SELECTOR (selector));
+
+ tree_view = GTK_TREE_VIEW (selector);
+ column = gtk_tree_view_get_column (tree_view, 0);
+ reference = selector->priv->saved_primary_selection;
+ selection = gtk_tree_view_get_selection (tree_view);
+
+ if (reference != NULL)
+ path = gtk_tree_row_reference_get_path (reference);
+ else if (gtk_tree_selection_get_selected (selection, &model, &iter))
+ path = gtk_tree_model_get_path (model, &iter);
+
+ if (path == NULL)
+ return;
+
+ /* XXX Because we stuff three renderers in a single column,
+ * we have to manually hunt for the text renderer. */
+ renderer = NULL;
+ list = gtk_cell_layout_get_cells (GTK_CELL_LAYOUT (column));
+ while (list != NULL) {
+ renderer = list->data;
+ if (GTK_IS_CELL_RENDERER_TEXT (renderer))
+ break;
+ list = g_list_delete_link (list, list);
+ }
+ g_list_free (list);
+
+ /* Make the text cell renderer editable, but only temporarily.
+ * We don't want editing to be activated by simply clicking on
+ * the source name. Too easy for accidental edits to occur. */
+ g_object_set (renderer, "editable", TRUE, NULL);
+ gtk_tree_view_expand_to_path (tree_view, path);
+ gtk_tree_view_set_cursor_on_cell (
+ tree_view, path, column, renderer, TRUE);
+ g_object_set (renderer, "editable", FALSE, NULL);
+
+ gtk_tree_path_free (path);
+}
+
+/**
+ * e_source_selector_ref_primary_selection:
+ * @selector: An #ESourceSelector widget
+ *
+ * Get the primary selected source. The primary selection is the one that is
+ * highlighted through the normal #GtkTreeView selection mechanism (as opposed
+ * to the "normal" selection, which is the set of source whose checkboxes are
+ * checked).
+ *
+ * The returned #ESource is referenced for thread-safety and must be
+ * unreferenced with g_object_unref() when finished with it.
+ *
+ * Returns: The selected source.
+ *
+ * Since: 3.6
+ **/
+ESource *
+e_source_selector_ref_primary_selection (ESourceSelector *selector)
+{
+ ESource *source;
+ GtkTreeRowReference *reference;
+ GtkTreeSelection *selection;
+ GtkTreeView *tree_view;
+ GtkTreeModel *model;
+ GtkTreeIter iter;
+ const gchar *extension_name;
+ gboolean have_iter = FALSE;
+
+ g_return_val_if_fail (E_IS_SOURCE_SELECTOR (selector), NULL);
+
+ tree_view = GTK_TREE_VIEW (selector);
+ model = gtk_tree_view_get_model (tree_view);
+ selection = gtk_tree_view_get_selection (tree_view);
+
+ reference = selector->priv->saved_primary_selection;
+
+ if (gtk_tree_row_reference_valid (reference)) {
+ GtkTreePath *path;
+
+ path = gtk_tree_row_reference_get_path (reference);
+ have_iter = gtk_tree_model_get_iter (model, &iter, path);
+ gtk_tree_path_free (path);
+ }
+
+ if (!have_iter)
+ have_iter = gtk_tree_selection_get_selected (
+ selection, NULL, &iter);
+
+ if (!have_iter)
+ return NULL;
+
+ gtk_tree_model_get (model, &iter, COLUMN_SOURCE, &source, -1);
+
+ extension_name = e_source_selector_get_extension_name (selector);
+
+ if (!e_source_has_extension (source, extension_name)) {
+ g_object_unref (source);
+ return NULL;
+ }
+
+ return source;
+}
+
+/**
+ * e_source_selector_set_primary_selection:
+ * @selector: an #ESourceSelector widget
+ * @source: an #ESource to select
+ *
+ * Highlights @source in @selector. The highlighted #ESource is called
+ * the primary selection.
+ *
+ * Do not confuse this function with e_source_selector_select_source(),
+ * which activates the check box next to an #ESource's display name in
+ * @selector. This function does not alter the check box.
+ **/
+void
+e_source_selector_set_primary_selection (ESourceSelector *selector,
+ ESource *source)
+{
+ GHashTable *source_index;
+ GtkTreeRowReference *reference;
+ GtkTreeSelection *selection;
+ GtkTreeView *tree_view;
+ GtkTreePath *child_path;
+ GtkTreePath *parent_path;
+ const gchar *extension_name;
+
+ g_return_if_fail (E_IS_SOURCE_SELECTOR (selector));
+ g_return_if_fail (E_IS_SOURCE (source));
+
+ tree_view = GTK_TREE_VIEW (selector);
+ selection = gtk_tree_view_get_selection (tree_view);
+
+ source_index = selector->priv->source_index;
+ reference = g_hash_table_lookup (source_index, source);
+
+ /* XXX Maybe we should return a success/fail boolean? */
+ if (!gtk_tree_row_reference_valid (reference))
+ return;
+
+ extension_name = e_source_selector_get_extension_name (selector);
+
+ /* Return silently if attempting to select a parent node
+ * lacking the expected extension (e.g. On This Computer). */
+ if (!e_source_has_extension (source, extension_name))
+ return;
+
+ /* We block the signal because this all needs to be atomic */
+ g_signal_handlers_block_matched (
+ selection, G_SIGNAL_MATCH_FUNC,
+ 0, 0, NULL, selection_changed_callback, NULL);
+ gtk_tree_selection_unselect_all (selection);
+ g_signal_handlers_unblock_matched (
+ selection, G_SIGNAL_MATCH_FUNC,
+ 0, 0, NULL, selection_changed_callback, NULL);
+
+ clear_saved_primary_selection (selector);
+
+ child_path = gtk_tree_row_reference_get_path (reference);
+
+ parent_path = gtk_tree_path_copy (child_path);
+ gtk_tree_path_up (parent_path);
+
+ if (gtk_tree_view_row_expanded (tree_view, parent_path)) {
+ gtk_tree_selection_select_path (selection, child_path);
+ } else {
+ selector->priv->saved_primary_selection =
+ gtk_tree_row_reference_copy (reference);
+ g_signal_emit (selector, signals[PRIMARY_SELECTION_CHANGED], 0);
+ g_object_notify (G_OBJECT (selector), "primary-selection");
+ }
+
+ gtk_tree_path_free (child_path);
+ gtk_tree_path_free (parent_path);
+}
+
+/**
+ * e_source_selector_ref_source_by_path:
+ * @selector: an #ESourceSelector
+ * @path: a #GtkTreePath
+ *
+ * Returns the #ESource object at @path, or %NULL if @path is invalid.
+ *
+ * The returned #ESource is referenced for thread-safety and must be
+ * unreferenced with g_object_unref() when finished with it.
+ *
+ * Returns: the #ESource object at @path, or %NULL
+ *
+ * Since: 3.6
+ **/
+ESource *
+e_source_selector_ref_source_by_path (ESourceSelector *selector,
+ GtkTreePath *path)
+{
+ ESource *source = NULL;
+ GtkTreeModel *model;
+ GtkTreeIter iter;
+
+ g_return_val_if_fail (E_IS_SOURCE_SELECTOR (selector), NULL);
+ g_return_val_if_fail (path != NULL, NULL);
+
+ model = gtk_tree_view_get_model (GTK_TREE_VIEW (selector));
+
+ if (gtk_tree_model_get_iter (model, &iter, path))
+ gtk_tree_model_get (model, &iter, COLUMN_SOURCE, &source, -1);
+
+ return source;
+}
+
+/**
+ * e_source_selector_queue_write:
+ * @selector: an #ESourceSelecetor
+ * @source: an #ESource with changes to be written
+ *
+ * Queues a main loop idle callback to write changes to @source back to
+ * the D-Bus registry service.
+ *
+ * Since: 3.6
+ **/
+void
+e_source_selector_queue_write (ESourceSelector *selector,
+ ESource *source)
+{
+ GSource *idle_source;
+ GHashTable *pending_writes;
+ GMainContext *main_context;
+ AsyncContext *async_context;
+
+ g_return_if_fail (E_IS_SOURCE_SELECTOR (selector));
+ g_return_if_fail (E_IS_SOURCE (source));
+
+ main_context = selector->priv->main_context;
+ pending_writes = selector->priv->pending_writes;
+
+ idle_source = g_hash_table_lookup (pending_writes, source);
+ if (idle_source != NULL && !g_source_is_destroyed (idle_source))
+ return;
+
+ async_context = g_slice_new0 (AsyncContext);
+ async_context->selector = g_object_ref (selector);
+ async_context->source = g_object_ref (source);
+
+ /* Set a higher priority so this idle source runs before our
+ * source_selector_cancel_write() signal handler, which will
+ * cancel this idle source. Cancellation is the right thing
+ * to do when receiving changes from OTHER registry clients,
+ * but we don't want to cancel our own changes.
+ *
+ * XXX This might be an argument for using etags.
+ */
+ idle_source = g_idle_source_new ();
+ g_hash_table_insert (
+ pending_writes,
+ g_object_ref (source),
+ g_source_ref (idle_source));
+ g_source_set_callback (
+ idle_source,
+ source_selector_write_idle_cb,
+ async_context,
+ (GDestroyNotify) async_context_free);
+ g_source_set_priority (idle_source, G_PRIORITY_HIGH_IDLE);
+ g_source_attach (idle_source, main_context);
+ g_source_unref (idle_source);
+}
+