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55adbcc523
gdm/2-new-chooser-widget.patch
Ray Strode 55adbcc523 fix typo from editing patch in place
2007-12-14 16:02:56 +00:00

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From 675a2a355ef15825b5998adc89a69d0958a0e2c0 Mon Sep 17 00:00:00 2001
From: Ray Strode <rstrode@redhat.com>
Date: Thu, 13 Dec 2007 10:06:26 -0500
Subject: [PATCH] Add new chooser widget
Since it takes a lot of code to deal with the whole model/view
split of a tree view, it's probably better to abstract that
work out into one unified "chooser" widget.
---
gui/simple-greeter/gdm-chooser-widget.c | 1607 +++++++++++++++++++++++++++++++
gui/simple-greeter/gdm-chooser-widget.h | 102 ++
2 files changed, 1709 insertions(+), 0 deletions(-)
create mode 100644 gui/simple-greeter/gdm-chooser-widget.c
create mode 100644 gui/simple-greeter/gdm-chooser-widget.h
diff --git a/gui/simple-greeter/gdm-chooser-widget.c b/gui/simple-greeter/gdm-chooser-widget.c
new file mode 100644
index 0000000..64186a2
--- /dev/null
+++ b/gui/simple-greeter/gdm-chooser-widget.c
@@ -0,0 +1,1607 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
+ *
+ * Copyright (C) 2007 Ray Strode <rstrode@redhat.com>
+ * Copyright (C) 2007 William Jon McCann <mccann@jhu.edu>
+ *
+ * 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 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ */
+
+#include "config.h"
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <string.h>
+#include <errno.h>
+#include <dirent.h>
+#include <sys/stat.h>
+
+#include <glib.h>
+#include <glib/gi18n.h>
+#include <glib/gstdio.h>
+#include <gtk/gtk.h>
+
+#include "gdm-chooser-widget.h"
+
+#define GDM_CHOOSER_WIDGET_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), GDM_TYPE_CHOOSER_WIDGET, GdmChooserWidgetPrivate))
+
+#ifndef GDM_CHOOSER_WIDGET_DEFAULT_ICON_SIZE
+#define GDM_CHOOSER_WIDGET_DEFAULT_ICON_SIZE 64
+#endif
+
+typedef enum {
+ GDM_CHOOSER_WIDGET_STATE_GROWN = 0,
+ GDM_CHOOSER_WIDGET_STATE_GROWING,
+ GDM_CHOOSER_WIDGET_STATE_SHRINKING,
+ GDM_CHOOSER_WIDGET_STATE_SHRUNK,
+} GdmChooserWidgetState;
+
+struct GdmChooserWidgetPrivate
+{
+ GtkWidget *frame;
+ GtkWidget *frame_alignment;
+ GtkWidget *scrolled_window;
+
+ GtkWidget *items_view;
+ GtkListStore *list_store;
+
+ GtkTreeModelFilter *model_filter;
+ GtkTreeModelSort *model_sorter;
+
+ GdkPixbuf *is_in_use_pixbuf;
+
+ GtkTreeRowReference *active_row;
+ GtkTreeRowReference *separator_row;
+ GtkTreeRowReference *top_edge_row; /* Only around for shrink */
+ GtkTreeRowReference *bottom_edge_row; /* animations */
+
+ GtkTreeViewColumn *is_in_use_column;
+ GtkTreeViewColumn *image_column;
+
+ char *inactive_text;
+ char *active_text;
+ char *in_use_message;
+
+ gint number_of_normal_rows;
+ gint number_of_separated_rows;
+ gint number_of_in_use_rows;
+ gint number_of_rows_with_images;
+
+ guint update_idle_id;
+ guint animation_timeout_id;
+
+ guint32 should_hide_inactive_items : 1;
+
+ GdmChooserWidgetPosition separator_position;
+ GdmChooserWidgetState state;
+
+};
+
+enum {
+ PROP_0,
+ PROP_INACTIVE_TEXT,
+ PROP_ACTIVE_TEXT
+};
+
+enum {
+ ACTIVATED = 0,
+ DEACTIVATED,
+ NUMBER_OF_SIGNALS
+};
+
+static guint signals[NUMBER_OF_SIGNALS];
+
+static void gdm_chooser_widget_class_init (GdmChooserWidgetClass *klass);
+static void gdm_chooser_widget_init (GdmChooserWidget *chooser_widget);
+static void gdm_chooser_widget_finalize (GObject *object);
+
+G_DEFINE_TYPE (GdmChooserWidget, gdm_chooser_widget, GTK_TYPE_ALIGNMENT)
+enum {
+ CHOOSER_IMAGE_COLUMN = 0,
+ CHOOSER_NAME_COLUMN,
+ CHOOSER_COMMENT_COLUMN,
+ CHOOSER_ITEM_IS_IN_USE_COLUMN,
+ CHOOSER_ITEM_IS_SEPARATED_COLUMN,
+ CHOOSER_ITEM_IS_VISIBLE_COLUMN,
+ CHOOSER_ID_COLUMN,
+ NUMBER_OF_CHOOSER_COLUMNS
+};
+
+static gboolean
+find_item (GdmChooserWidget *widget,
+ const char *id,
+ GtkTreeIter *iter)
+{
+ GtkTreeModel *model;
+ gboolean found_item;
+
+ g_assert (GDM_IS_CHOOSER_WIDGET (widget));
+ g_assert (id != NULL);
+
+ found_item = FALSE;
+ model = GTK_TREE_MODEL (widget->priv->list_store);
+
+ if (!gtk_tree_model_get_iter_first (model, iter)) {
+ return FALSE;
+ }
+
+ do {
+ char *item_id;
+
+
+ gtk_tree_model_get (model, iter,
+ CHOOSER_ID_COLUMN, &item_id, -1);
+
+ g_assert (item_id != NULL);
+
+ if (strcmp (id, item_id) == 0) {
+ found_item = TRUE;
+ }
+ g_free (item_id);
+
+ } while (!found_item && gtk_tree_model_iter_next (model, iter));
+
+ return found_item;
+}
+
+static char *
+get_active_item_id (GdmChooserWidget *widget,
+ GtkTreeIter *iter)
+{
+ char *item_id;
+ GtkTreeModel *model;
+ GtkTreePath *path;
+
+ g_return_val_if_fail (GDM_IS_CHOOSER_WIDGET (widget), NULL);
+
+ model = GTK_TREE_MODEL (widget->priv->list_store);
+ item_id = NULL;
+
+ if (widget->priv->active_row == NULL) {
+ return NULL;
+ }
+
+ path = gtk_tree_row_reference_get_path (widget->priv->active_row);
+ if (gtk_tree_model_get_iter (model, iter, path)) {
+ gtk_tree_model_get (model, iter,
+ CHOOSER_ID_COLUMN, &item_id, -1);
+ }
+ gtk_tree_path_free (path);
+
+ return item_id;
+}
+
+char *
+gdm_chooser_widget_get_active_item (GdmChooserWidget *widget)
+{
+ GtkTreeIter iter;
+
+ return get_active_item_id (widget, &iter);
+}
+
+static void
+activate_from_item_id (GdmChooserWidget *widget,
+ const char *item_id)
+{
+ GtkTreeModel *model;
+ GtkTreePath *path;
+ GtkTreeIter iter;
+
+ model = GTK_TREE_MODEL (widget->priv->list_store);
+ path = NULL;
+
+ if (find_item (widget, item_id, &iter)) {
+ GtkTreePath *child_path;
+
+ child_path = gtk_tree_model_get_path (model, &iter);
+ path = gtk_tree_model_sort_convert_child_path_to_path (widget->priv->model_sorter, child_path);
+ gtk_tree_path_free (child_path);
+ }
+
+ if (path == NULL) {
+ return;
+ }
+
+ gtk_tree_view_scroll_to_cell (GTK_TREE_VIEW (widget->priv->items_view),
+ path,
+ NULL,
+ TRUE,
+ 0.5,
+ 0.0);
+
+ gtk_tree_view_set_cursor (GTK_TREE_VIEW (widget->priv->items_view),
+ path,
+ NULL,
+ FALSE);
+
+ gtk_tree_view_row_activated (GTK_TREE_VIEW (widget->priv->items_view),
+ path,
+ NULL);
+ gtk_tree_path_free (path);
+}
+
+static void
+set_frame_text (GdmChooserWidget *widget,
+ const char *text)
+{
+ GtkWidget *label;
+
+ label = gtk_frame_get_label_widget (GTK_FRAME (widget->priv->frame));
+
+ if (text == NULL && label != NULL) {
+ gtk_frame_set_label_widget (GTK_FRAME (widget->priv->frame),
+ NULL);
+ gtk_alignment_set_padding (GTK_ALIGNMENT (widget->priv->frame_alignment),
+ 0, 0, 0, 0);
+ } else if (text != NULL && label == NULL) {
+ label = gtk_label_new ("");
+ gtk_label_set_mnemonic_widget (GTK_LABEL (label),
+ widget->priv->items_view);
+ gtk_widget_show (label);
+ gtk_frame_set_label_widget (GTK_FRAME (widget->priv->frame),
+ label);
+ gtk_alignment_set_padding (GTK_ALIGNMENT (widget->priv->frame_alignment),
+ 6, 0, 12, 0);
+ }
+
+ if (label != NULL && text != NULL) {
+ char *markup;
+ markup = g_strdup_printf ("<b>%s</b>", text);
+ gtk_label_set_markup_with_mnemonic (GTK_LABEL (label), markup);
+ g_free (markup);
+ }
+}
+
+static void
+translate_base_path_to_sorted_path (GdmChooserWidget *widget,
+ GtkTreePath **path)
+{
+ GtkTreePath *filtered_path;
+ GtkTreePath *sorted_path;
+
+ filtered_path =
+ gtk_tree_model_filter_convert_child_path_to_path (widget->priv->model_filter, *path);
+ sorted_path = gtk_tree_model_sort_convert_child_path_to_path (widget->priv->model_sorter,
+ filtered_path);
+ gtk_tree_path_free (filtered_path);
+
+ gtk_tree_path_free (*path);
+ *path = sorted_path;
+}
+
+static gboolean
+shrink_edge_toward_active_row (GdmChooserWidget *widget,
+ GtkTreeRowReference **edge_row)
+{
+ GtkTreeModel *model;
+ GtkTreePath *active_path;
+ GtkTreePath *edge_path;
+ GtkTreeIter edge_iter;
+ gboolean edge_is_hidden;
+ int relative_position;
+
+ model = GTK_TREE_MODEL (widget->priv->list_store);
+
+ active_path = gtk_tree_row_reference_get_path (widget->priv->active_row);
+ translate_base_path_to_sorted_path (widget, &active_path);
+
+ g_assert (*edge_row != NULL);
+ edge_path = gtk_tree_row_reference_get_path (*edge_row);
+ g_assert (edge_path != NULL);
+ relative_position = gtk_tree_path_compare (edge_path, active_path);
+ if (relative_position != 0 &&
+ gtk_tree_model_get_iter (GTK_TREE_MODEL (widget->priv->model_sorter),
+ &edge_iter, edge_path)) {
+ GtkTreeIter filtered_iter;
+ GtkTreeIter iter;
+
+ if (relative_position < 0) {
+ gtk_tree_path_next (edge_path);
+ } else {
+ gtk_tree_path_prev (edge_path);
+ }
+ gtk_tree_row_reference_free (*edge_row);
+
+ *edge_row = gtk_tree_row_reference_new (GTK_TREE_MODEL (widget->priv->model_sorter),
+ edge_path);
+
+ gtk_tree_model_sort_convert_iter_to_child_iter (widget->priv->model_sorter,
+ &filtered_iter, &edge_iter);
+ gtk_tree_model_filter_convert_iter_to_child_iter (widget->priv->model_filter,
+ &iter, &filtered_iter);
+ gtk_list_store_set (GTK_LIST_STORE (widget->priv->list_store),
+ &iter, CHOOSER_ITEM_IS_VISIBLE_COLUMN, FALSE, -1);
+
+ edge_is_hidden = FALSE;
+ } else {
+ edge_is_hidden = TRUE;
+ }
+ gtk_tree_path_free (active_path);
+ gtk_tree_path_free (edge_path);
+
+ return edge_is_hidden;
+}
+
+static gboolean
+iterate_animation (GdmChooserWidget *widget)
+{
+ gboolean is_done;
+
+ is_done = FALSE;
+
+ if (widget->priv->state == GDM_CHOOSER_WIDGET_STATE_SHRINKING) {
+ if (widget->priv->top_edge_row != NULL) {
+ is_done = shrink_edge_toward_active_row (widget,
+ &widget->priv->top_edge_row);
+ }
+
+ if (widget->priv->bottom_edge_row != NULL) {
+ is_done = is_done &&
+ shrink_edge_toward_active_row (widget,
+ &widget->priv->bottom_edge_row);
+ }
+ } else {
+ GtkTreePath *path;
+ GtkTreeIter iter;
+ gboolean is_visible;
+
+ path = gtk_tree_path_new_first ();
+
+ do {
+ if (!gtk_tree_model_get_iter (GTK_TREE_MODEL (widget->priv->list_store),
+ &iter, path)) {
+ is_done = TRUE;
+ break;
+ }
+
+ gtk_tree_model_get (GTK_TREE_MODEL (widget->priv->list_store),
+ &iter, CHOOSER_ITEM_IS_VISIBLE_COLUMN,
+ &is_visible, -1);
+
+ if (is_visible) {
+ gtk_tree_path_next (path);
+ } else {
+ gtk_list_store_set (GTK_LIST_STORE (widget->priv->list_store),
+ &iter, CHOOSER_ITEM_IS_VISIBLE_COLUMN,
+ TRUE, -1);
+ }
+ } while (is_visible);
+
+ gtk_tree_path_free (path);
+ }
+
+ return is_done != TRUE;
+}
+
+static void
+stop_animation (GdmChooserWidget *widget)
+{
+ if (widget->priv->animation_timeout_id == 0) {
+ return;
+ }
+
+ gtk_tree_row_reference_free (widget->priv->top_edge_row);
+ widget->priv->top_edge_row = NULL;
+
+ gtk_tree_row_reference_free (widget->priv->bottom_edge_row);
+ widget->priv->bottom_edge_row = NULL;
+
+ widget->priv->animation_timeout_id = 0;
+ gtk_widget_set_sensitive (GTK_WIDGET (widget), TRUE);
+}
+
+static void
+start_animation (GdmChooserWidget *widget)
+{
+ GtkTreePath *edge_path;
+ int number_of_visible_rows;
+ int number_of_rows;
+
+ if (widget->priv->animation_timeout_id != 0) {
+ g_source_remove (widget->priv->animation_timeout_id);
+ }
+
+ number_of_visible_rows = gtk_tree_model_iter_n_children (GTK_TREE_MODEL (widget->priv->model_sorter), NULL);
+ number_of_rows = gtk_tree_model_iter_n_children (GTK_TREE_MODEL (widget->priv->list_store), NULL);
+
+ if (widget->priv->state == GDM_CHOOSER_WIDGET_STATE_SHRINKING) {
+ if (number_of_visible_rows <= 1) {
+ widget->priv->state = GDM_CHOOSER_WIDGET_STATE_SHRUNK;
+ return;
+ }
+
+ edge_path = gtk_tree_path_new_first ();
+ widget->priv->top_edge_row = gtk_tree_row_reference_new (GTK_TREE_MODEL (widget->priv->model_sorter),
+ edge_path);
+ gtk_tree_path_free (edge_path);
+
+ edge_path = gtk_tree_path_new_from_indices (number_of_visible_rows - 1, -1);
+
+ widget->priv->bottom_edge_row = gtk_tree_row_reference_new (GTK_TREE_MODEL (widget->priv->model_sorter),
+ edge_path);
+ gtk_tree_path_free (edge_path);
+
+ g_assert (widget->priv->top_edge_row != NULL && widget->priv->bottom_edge_row != NULL);
+ }
+
+ if (widget->priv->state == GDM_CHOOSER_WIDGET_STATE_GROWING) {
+ if (number_of_visible_rows >= number_of_rows) {
+ widget->priv->state = GDM_CHOOSER_WIDGET_STATE_GROWN;
+ return;
+ }
+ }
+
+ gtk_widget_set_sensitive (GTK_WIDGET (widget), FALSE);
+
+ /* FIXME: The 4 here is abitrary. We should really keep track of the time we start and
+ * hide enough rows to catch up to where we should be each time through
+ */
+ widget->priv->animation_timeout_id =
+ g_timeout_add_full (G_PRIORITY_DEFAULT_IDLE,
+ 1000 / (4 * number_of_rows),
+ (GSourceFunc) iterate_animation,
+ widget, (GDestroyNotify) stop_animation);
+}
+
+static void
+gdm_chooser_widget_grow (GdmChooserWidget *widget)
+{
+ gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (widget->priv->scrolled_window),
+ GTK_SHADOW_ETCHED_IN);
+ gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (widget->priv->scrolled_window),
+ GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
+ gtk_alignment_set (GTK_ALIGNMENT (widget->priv->frame_alignment),
+ 0.0, 0.0, 1.0, 1.0);
+
+ set_frame_text (widget, widget->priv->inactive_text);
+
+ widget->priv->state = GDM_CHOOSER_WIDGET_STATE_GROWING;
+ start_animation (widget);
+}
+
+static void
+move_cursor_to_top (GdmChooserWidget *widget)
+{
+ GtkTreeModel *model;
+ GtkTreePath *path;
+ GtkTreeIter iter;
+
+ model = gtk_tree_view_get_model (GTK_TREE_VIEW (widget->priv->items_view));
+ path = gtk_tree_path_new_first ();
+ if (gtk_tree_model_get_iter (model, &iter, path)) {
+ gtk_tree_view_set_cursor (GTK_TREE_VIEW (widget->priv->items_view),
+ path,
+ NULL,
+ FALSE);
+ }
+ gtk_tree_path_free (path);
+}
+
+static gboolean
+clear_selection (GdmChooserWidget *widget)
+{
+ GtkTreeSelection *selection;
+
+ selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (widget->priv->items_view));
+ gtk_tree_selection_unselect_all (selection);
+
+ return FALSE;
+}
+
+static void
+gdm_chooser_widget_shrink (GdmChooserWidget *widget)
+{
+ g_assert (widget->priv->should_hide_inactive_items == TRUE);
+
+ set_frame_text (widget, widget->priv->active_text);
+
+ gtk_alignment_set (GTK_ALIGNMENT (widget->priv->frame_alignment),
+ 0.0, 0.0, 1.0, 0.0);
+
+ gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (widget->priv->scrolled_window),
+ GTK_POLICY_NEVER, GTK_POLICY_NEVER);
+
+ gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (widget->priv->scrolled_window),
+ GTK_SHADOW_ETCHED_OUT);
+
+ clear_selection (widget);
+ widget->priv->state = GDM_CHOOSER_WIDGET_STATE_SHRINKING;
+ start_animation (widget);
+}
+
+static void
+activate_from_row (GdmChooserWidget *widget,
+ GtkTreeRowReference *row)
+{
+ g_assert (row != NULL);
+ g_assert (gtk_tree_row_reference_valid (row));
+
+ if (widget->priv->active_row != NULL) {
+ gtk_tree_row_reference_free (widget->priv->active_row);
+ widget->priv->active_row = NULL;
+ }
+
+ widget->priv->active_row = gtk_tree_row_reference_copy (row);
+ g_signal_emit (widget, signals[ACTIVATED], 0);
+
+ if (widget->priv->should_hide_inactive_items) {
+ gdm_chooser_widget_shrink (widget);
+ }
+}
+
+static void
+deactivate (GdmChooserWidget *widget)
+{
+ if (widget->priv->active_row == NULL) {
+ return;
+ }
+
+ gtk_tree_row_reference_free (widget->priv->active_row);
+ widget->priv->active_row = NULL;
+
+ g_signal_emit (widget, signals[DEACTIVATED], 0, NULL, NULL);
+
+ if (widget->priv->state != GDM_CHOOSER_WIDGET_STATE_GROWN) {
+ gdm_chooser_widget_grow (widget);
+ }
+}
+
+static void
+activate_selected_item (GdmChooserWidget *widget)
+{
+ GtkTreeRowReference *row;
+ GtkTreeSelection *selection;
+ GtkTreeModel *model;
+ GtkTreeModel *sort_model;
+ GtkTreeIter sorted_iter;
+ gboolean is_already_active;
+
+ row = NULL;
+ model = GTK_TREE_MODEL (widget->priv->list_store);
+ is_already_active = FALSE;
+
+ selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (widget->priv->items_view));
+ if (gtk_tree_selection_get_selected (selection, &sort_model, &sorted_iter)) {
+ GtkTreePath *sorted_path;
+ GtkTreePath *filtered_path;
+ GtkTreePath *base_path;
+
+ g_assert (sort_model == GTK_TREE_MODEL (widget->priv->model_sorter));
+
+ sorted_path = gtk_tree_model_get_path (sort_model, &sorted_iter);
+ filtered_path =
+ gtk_tree_model_sort_convert_path_to_child_path (widget->priv->model_sorter,
+ sorted_path);
+ gtk_tree_path_free (sorted_path);
+ base_path =
+ gtk_tree_model_filter_convert_path_to_child_path (widget->priv->model_filter,
+ filtered_path);
+
+ if (widget->priv->active_row != NULL) {
+ GtkTreePath *active_path;
+
+ active_path = gtk_tree_row_reference_get_path (widget->priv->active_row);
+
+ if (gtk_tree_path_compare (base_path, active_path) == 0) {
+ is_already_active = TRUE;
+ }
+ gtk_tree_path_free (active_path);
+ }
+ g_assert (base_path != NULL);
+ row = gtk_tree_row_reference_new (model, base_path);
+ gtk_tree_path_free (base_path);
+ }
+
+ if (!is_already_active) {
+ activate_from_row (widget, row);
+ } else {
+ deactivate (widget);
+ }
+ gtk_tree_row_reference_free (row);
+}
+
+void
+gdm_chooser_widget_set_active_item (GdmChooserWidget *widget,
+ const char *id)
+{
+ g_return_if_fail (GDM_IS_CHOOSER_WIDGET (widget));
+
+ if (id != NULL) {
+ activate_from_item_id (widget, id);
+ } else {
+ deactivate (widget);
+ }
+}
+
+static void
+gdm_chooser_widget_set_property (GObject *object,
+ guint prop_id,
+ const GValue *value,
+ GParamSpec *pspec)
+{
+ GdmChooserWidget *self;
+
+ self = GDM_CHOOSER_WIDGET (object);
+
+ switch (prop_id) {
+
+ case PROP_INACTIVE_TEXT:
+ g_free (self->priv->inactive_text);
+ self->priv->inactive_text = g_value_dup_string (value);
+
+ if (self->priv->active_row == NULL) {
+ set_frame_text (self, self->priv->inactive_text);
+ }
+ break;
+
+ case PROP_ACTIVE_TEXT:
+ g_free (self->priv->active_text);
+ self->priv->active_text = g_value_dup_string (value);
+
+ if (self->priv->active_row != NULL) {
+ set_frame_text (self, self->priv->active_text);
+ }
+ break;
+
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+gdm_chooser_widget_get_property (GObject *object,
+ guint prop_id,
+ GValue *value,
+ GParamSpec *pspec)
+{
+ GdmChooserWidget *self;
+
+ self = GDM_CHOOSER_WIDGET (object);
+
+ switch (prop_id) {
+ case PROP_INACTIVE_TEXT:
+ g_value_set_string (value, self->priv->inactive_text);
+ break;
+
+ case PROP_ACTIVE_TEXT:
+ g_value_set_string (value, self->priv->active_text);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static GObject *
+gdm_chooser_widget_constructor (GType type,
+ guint n_construct_properties,
+ GObjectConstructParam *construct_properties)
+{
+ GdmChooserWidget *chooser_widget;
+ GdmChooserWidgetClass *klass;
+
+ klass = GDM_CHOOSER_WIDGET_CLASS (g_type_class_peek (GDM_TYPE_CHOOSER_WIDGET));
+
+ chooser_widget = GDM_CHOOSER_WIDGET (G_OBJECT_CLASS (gdm_chooser_widget_parent_class)->constructor (type,
+ n_construct_properties,
+ construct_properties));
+
+ return G_OBJECT (chooser_widget);
+}
+
+static void
+gdm_chooser_widget_dispose (GObject *object)
+{
+ GdmChooserWidget *widget;
+
+ widget = GDM_CHOOSER_WIDGET (object);
+
+ if (widget->priv->separator_row != NULL) {
+ gtk_tree_row_reference_free (widget->priv->separator_row);
+ widget->priv->separator_row = NULL;
+ }
+
+ if (widget->priv->active_row != NULL) {
+ gtk_tree_row_reference_free (widget->priv->active_row);
+ widget->priv->active_row = NULL;
+ }
+
+ if (widget->priv->inactive_text != NULL) {
+ g_free (widget->priv->inactive_text);
+ widget->priv->inactive_text = NULL;
+ }
+
+ if (widget->priv->active_text != NULL) {
+ g_free (widget->priv->active_text);
+ widget->priv->active_text = NULL;
+ }
+
+ if (widget->priv->in_use_message != NULL) {
+ g_free (widget->priv->in_use_message);
+ widget->priv->in_use_message = NULL;
+ }
+
+ G_OBJECT_CLASS (gdm_chooser_widget_parent_class)->dispose (object);
+}
+
+static gboolean
+gdm_chooser_widget_focus_in (GtkWidget *widget,
+ GdkEventFocus *event)
+{
+ GdmChooserWidget *chooser;
+ chooser = GDM_CHOOSER_WIDGET (widget);
+
+ gtk_widget_grab_focus (chooser->priv->items_view);
+
+ return FALSE;
+}
+
+static void
+gdm_chooser_widget_size_request (GtkWidget *widget,
+ GtkRequisition *requisition)
+{
+ GdmChooserWidget *chooser;
+
+ chooser = GDM_CHOOSER_WIDGET (widget);
+
+ GTK_WIDGET_CLASS (gdm_chooser_widget_parent_class)->size_request (widget, requisition);
+
+ /* XXX: this hack makes the scrolled window behave the way we want in
+ * the login window. The login window is special because it always
+ * tries to hug the widgets as tightly as possible. Normally, this
+ * "tight hug" makes the scrolled_window get squeezed into nothing (if
+ * POLICY_AUTOMATIC) If we use POLICY_NEVER then the scrolled window
+ * gets the right size but can't have a scrollbar (which sort of
+ * defeats the point I guess)
+ */
+ requisition->height -= chooser->priv->scrolled_window->requisition.height;
+ chooser->priv->scrolled_window->requisition.height = chooser->priv->items_view->requisition.height;
+ chooser->priv->scrolled_window->requisition.height += chooser->priv->scrolled_window->style->ythickness * 2;
+ chooser->priv->scrolled_window->requisition.height += GTK_CONTAINER (chooser->priv->scrolled_window)->border_width * 2;
+ requisition->height += chooser->priv->scrolled_window->requisition.height;
+}
+
+#ifdef BUILD_ALLOCATION_HACK
+static gint
+compare_allocation_height (GdmChooserWidget *widget_a,
+ GdmChooserWidget *widget_b)
+{
+ return GTK_WIDGET (widget_a)->allocation.height - GTK_WIDGET (widget_b)->allocation.height;
+}
+
+static void
+renegotiate_allocation (GtkContainer *container,
+ GdmChooserWidgetClass *klass)
+{
+ GList *children;
+ GList *choosers;
+ GList *tmp;
+ int total_allocation;
+ int number_of_choosers;
+
+ if (klass->size_negotiation_handler == 0) {
+ return;
+ }
+ klass->size_negotiation_handler = 0;
+ g_signal_handlers_disconnect_by_func (container, renegotiate_allocation, klass);
+
+ children = gtk_container_get_children (container);
+
+ total_allocation = 0;
+ number_of_choosers = 0;
+ choosers = NULL;
+ for (tmp = children; tmp != NULL; tmp = tmp->next) {
+ GdmChooserWidget *widget;
+
+ if (!GDM_IS_CHOOSER_WIDGET (tmp->data)) {
+ continue;
+ }
+
+ widget = GDM_CHOOSER_WIDGET (tmp->data);
+
+ total_allocation += GTK_WIDGET (widget)->allocation.height;
+ choosers = g_list_insert_sorted (choosers, widget, (GCompareFunc) compare_allocation_height);
+ number_of_choosers++;
+ }
+ total_allocation = MIN (total_allocation, GTK_WIDGET (container)->allocation.height);
+
+ for (tmp = choosers; tmp != NULL; tmp = tmp->next) {
+ GdmChooserWidget *widget;
+ GtkAllocation allocation;
+
+ g_assert (GDM_IS_CHOOSER_WIDGET (tmp->data));
+
+ widget = GDM_CHOOSER_WIDGET (tmp->data);
+
+ allocation = GTK_WIDGET (widget)->allocation;
+
+ GTK_WIDGET (widget)->allocation.height = MIN (GTK_WIDGET (widget)->requisition.height,
+ total_allocation / number_of_choosers);
+
+ total_allocation -= allocation.height;
+
+ number_of_choosers--;
+ }
+ g_list_free (children);
+}
+
+static void
+gdm_chooser_widget_size_allocate (GtkWidget *widget,
+ GtkAllocation *allocation)
+{
+ GdmChooserWidgetClass *klass;
+
+ klass = GDM_CHOOSER_WIDGET_GET_CLASS (widget);
+
+ GTK_WIDGET_CLASS (gdm_chooser_widget_parent_class)->size_allocate (widget, allocation);
+
+ /* XXX: Vbox isn't too smart about divving up allocations when there isn't enough room to go around.
+ * Since we may have more than one chooser widget in a vbox, we redistribute space between the choosers
+ * (if one chooser gets lots of space and another gets no space, give some up)
+ */
+ if (allocation->height == 1 && klass->size_negotiation_handler == 0) {
+ GtkWidget *parent;
+
+ parent = gtk_widget_get_parent (widget);
+ klass->size_negotiation_handler = g_signal_connect (parent, "size-allocate",
+ G_CALLBACK (renegotiate_allocation),
+ klass);
+ }
+}
+#endif
+
+static void
+gdm_chooser_widget_class_init (GdmChooserWidgetClass *klass)
+{
+ GObjectClass *object_class = G_OBJECT_CLASS (klass);
+ GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
+
+ object_class->get_property = gdm_chooser_widget_get_property;
+ object_class->set_property = gdm_chooser_widget_set_property;
+ object_class->constructor = gdm_chooser_widget_constructor;
+ object_class->dispose = gdm_chooser_widget_dispose;
+ object_class->finalize = gdm_chooser_widget_finalize;
+ widget_class->focus_in_event = gdm_chooser_widget_focus_in;
+ widget_class->size_request = gdm_chooser_widget_size_request;
+#ifdef BUILD_ALLOCATION_HACK
+ widget_class->size_allocate = gdm_chooser_widget_size_allocate;
+#endif
+
+ signals [ACTIVATED] = g_signal_new ("activated",
+ G_TYPE_FROM_CLASS (object_class),
+ G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET (GdmChooserWidgetClass, activated),
+ NULL,
+ NULL,
+ g_cclosure_marshal_VOID__VOID,
+ G_TYPE_NONE,
+ 0);
+
+ signals [DEACTIVATED] = g_signal_new ("deactivated",
+ G_TYPE_FROM_CLASS (object_class),
+ G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET (GdmChooserWidgetClass, deactivated),
+ NULL,
+ NULL,
+ g_cclosure_marshal_VOID__VOID,
+ G_TYPE_NONE,
+ 0);
+
+ g_object_class_install_property (object_class,
+ PROP_INACTIVE_TEXT,
+ g_param_spec_string ("inactive-text",
+ _("Inactive Text"),
+ _("The text to use in the label if the "
+ "user hasn't picked an item yet"),
+ NULL,
+ (G_PARAM_READWRITE |
+ G_PARAM_CONSTRUCT)));
+ g_object_class_install_property (object_class,
+ PROP_ACTIVE_TEXT,
+ g_param_spec_string ("active-text",
+ _("Active Text"),
+ _("The text to use in the label if the "
+ "user has picked an item"),
+ NULL,
+ (G_PARAM_READWRITE |
+ G_PARAM_CONSTRUCT)));
+
+ g_type_class_add_private (klass, sizeof (GdmChooserWidgetPrivate));
+}
+
+static void
+on_row_activated (GtkTreeView *tree_view,
+ GtkTreePath *tree_path,
+ GtkTreeViewColumn *tree_column,
+ GdmChooserWidget *widget)
+{
+ activate_selected_item (widget);
+}
+
+static gboolean
+path_is_separator (GdmChooserWidget *widget,
+ GtkTreeModel *model,
+ GtkTreePath *path)
+{
+ GtkTreePath *base_path;
+ GtkTreePath *filtered_path;
+ GtkTreePath *sorted_path;
+ GtkTreePath *separator_path;
+ gboolean is_separator;
+
+ if (widget->priv->separator_row == NULL) {
+ return FALSE;
+ }
+
+ base_path = gtk_tree_row_reference_get_path (widget->priv->separator_row);
+ separator_path = base_path;
+ filtered_path = NULL;
+ sorted_path = NULL;
+
+ if (model != GTK_TREE_MODEL (widget->priv->list_store)) {
+ filtered_path = gtk_tree_model_filter_convert_child_path_to_path (widget->priv->model_filter, base_path);
+ separator_path = filtered_path;
+
+ gtk_tree_path_free (base_path);
+ base_path = NULL;
+ }
+
+ if (filtered_path != NULL && model != GTK_TREE_MODEL (widget->priv->model_filter)) {
+ sorted_path = gtk_tree_model_sort_convert_child_path_to_path (widget->priv->model_sorter, filtered_path);
+ separator_path = sorted_path;
+
+ gtk_tree_path_free (filtered_path);
+ filtered_path = NULL;
+ }
+
+ if ((separator_path != NULL) &&
+ gtk_tree_path_compare (path, separator_path) == 0) {
+ is_separator = TRUE;
+ } else {
+ is_separator = FALSE;
+ }
+ gtk_tree_path_free (separator_path);
+
+ return is_separator;
+}
+
+static int
+compare_item (GtkTreeModel *model,
+ GtkTreeIter *a,
+ GtkTreeIter *b,
+ gpointer data)
+{
+ GdmChooserWidget *widget;
+ char *name_a;
+ char *name_b;
+ gboolean is_separate_a;
+ gboolean is_separate_b;
+ int result;
+ int direction;
+ GtkTreeIter *separator_iter;
+
+ g_assert (GDM_IS_CHOOSER_WIDGET (data));
+
+ widget = GDM_CHOOSER_WIDGET (data);
+
+ separator_iter = NULL;
+ if (widget->priv->separator_row != NULL) {
+
+ GtkTreePath *path_a;
+ GtkTreePath *path_b;
+
+ path_a = gtk_tree_model_get_path (model, a);
+ path_b = gtk_tree_model_get_path (model, b);
+
+ if (path_is_separator (widget, model, path_a)) {
+ separator_iter = a;
+ } else if (path_is_separator (widget, model, path_b)) {
+ separator_iter = b;
+ }
+
+ gtk_tree_path_free (path_a);
+ gtk_tree_path_free (path_b);
+ }
+
+ name_a = NULL;
+ is_separate_a = FALSE;
+ if (separator_iter != a) {
+ gtk_tree_model_get (model, a,
+ CHOOSER_NAME_COLUMN, &name_a,
+ CHOOSER_ITEM_IS_SEPARATED_COLUMN, &is_separate_a,
+ -1);
+ }
+
+ char *id;
+ name_b = NULL;
+ is_separate_b = FALSE;
+ if (separator_iter != b) {
+ gtk_tree_model_get (model, b,
+ CHOOSER_NAME_COLUMN, &name_b,
+ CHOOSER_ID_COLUMN, &id,
+ CHOOSER_ITEM_IS_SEPARATED_COLUMN, &is_separate_b,
+ -1);
+ }
+
+ if (widget->priv->separator_position == GDM_CHOOSER_WIDGET_POSITION_TOP) {
+ direction = -1;
+ } else {
+ direction = 1;
+ }
+
+ if (separator_iter == b) {
+ result = is_separate_a? 1 : -1;
+ result *= direction;
+ } else if (separator_iter == a) {
+ result = is_separate_b? -1 : 1;
+ result *= direction;
+ } else if (is_separate_b == is_separate_a) {
+ result = g_utf8_collate (name_a, name_b);
+ } else {
+ result = is_separate_a - is_separate_b;
+ result *= direction;
+ }
+
+ g_free (name_a);
+ g_free (name_b);
+
+ return result;
+}
+
+static void
+name_cell_data_func (GtkTreeViewColumn *tree_column,
+ GtkCellRenderer *cell,
+ GtkTreeModel *model,
+ GtkTreeIter *iter,
+ GdmChooserWidget *widget)
+{
+ gboolean is_in_use;
+ char *name;
+ char *markup;
+
+ name = NULL;
+ gtk_tree_model_get (model,
+ iter,
+ CHOOSER_ITEM_IS_IN_USE_COLUMN, &is_in_use,
+ CHOOSER_NAME_COLUMN, &name,
+ -1);
+
+ if (is_in_use) {
+ markup = g_strdup_printf ("<b>%s</b>\n"
+ "<i><span size=\"x-small\">%s</span></i>",
+ name, widget->priv->in_use_message);
+ } else {
+ markup = g_strdup_printf ("<b>%s</b>", name);
+ }
+ g_free (name);
+
+ g_object_set (cell, "markup", markup, NULL);
+ g_free (markup);
+}
+
+static void
+check_cell_data_func (GtkTreeViewColumn *tree_column,
+ GtkCellRenderer *cell,
+ GtkTreeModel *model,
+ GtkTreeIter *iter,
+ GdmChooserWidget *widget)
+{
+ gboolean is_in_use;
+ GdkPixbuf *pixbuf;
+
+ gtk_tree_model_get (model,
+ iter,
+ CHOOSER_ITEM_IS_IN_USE_COLUMN, &is_in_use,
+ -1);
+
+ if (is_in_use) {
+ pixbuf = widget->priv->is_in_use_pixbuf;
+ } else {
+ pixbuf = NULL;
+ }
+
+ g_object_set (cell, "pixbuf", pixbuf, NULL);
+}
+
+static GdkPixbuf *
+get_is_in_use_pixbuf (GdmChooserWidget *widget)
+{
+ GtkIconTheme *theme;
+ GdkPixbuf *pixbuf;
+
+ theme = gtk_icon_theme_get_default ();
+ pixbuf = gtk_icon_theme_load_icon (theme,
+ "emblem-default",
+ GDM_CHOOSER_WIDGET_DEFAULT_ICON_SIZE / 3,
+ 0,
+ NULL);
+
+ return pixbuf;
+}
+
+static gboolean
+separator_func (GtkTreeModel *model,
+ GtkTreeIter *iter,
+ gpointer data)
+{
+ GdmChooserWidget *widget;
+ GtkTreePath *path;
+ gboolean is_separator;
+
+ g_assert (GDM_IS_CHOOSER_WIDGET (data));
+
+ widget = GDM_CHOOSER_WIDGET (data);
+
+ g_assert (widget->priv->separator_row != NULL);
+
+ path = gtk_tree_model_get_path (model, iter);
+
+ is_separator = path_is_separator (widget, model, path);
+
+ gtk_tree_path_free (path);
+
+ return is_separator;
+}
+
+static void
+add_separator (GdmChooserWidget *widget)
+{
+ GtkTreeIter iter;
+ GtkTreeModel *model;
+ GtkTreePath *path;
+
+ g_assert (widget->priv->separator_row == NULL);
+
+ model = GTK_TREE_MODEL (widget->priv->list_store);
+
+ gtk_list_store_insert_with_values (widget->priv->list_store,
+ &iter, 0,
+ CHOOSER_ID_COLUMN, "-", -1);
+ path = gtk_tree_model_get_path (model, &iter);
+ widget->priv->separator_row =
+ gtk_tree_row_reference_new (model, path);
+ gtk_tree_path_free (path);
+}
+
+static gboolean
+update_column_visibility (GdmChooserWidget *widget)
+{
+ if (widget->priv->number_of_rows_with_images > 0) {
+ gtk_tree_view_column_set_visible (widget->priv->image_column,
+ TRUE);
+ } else {
+ gtk_tree_view_column_set_visible (widget->priv->image_column,
+ FALSE);
+ }
+ if (widget->priv->number_of_in_use_rows > 0) {
+ gtk_tree_view_column_set_visible (widget->priv->is_in_use_column,
+ TRUE);
+ } else {
+ gtk_tree_view_column_set_visible (widget->priv->is_in_use_column,
+ FALSE);
+ }
+
+ return FALSE;
+}
+
+static void
+clear_canceled_visibility_update (GdmChooserWidget *widget)
+{
+ widget->priv->update_idle_id = 0;
+}
+
+static void
+queue_column_visibility_update (GdmChooserWidget *widget)
+{
+ if (widget->priv->update_idle_id == 0) {
+ widget->priv->update_idle_id =
+ g_idle_add_full (G_PRIORITY_DEFAULT_IDLE,
+ (GSourceFunc)
+ update_column_visibility, widget,
+ (GDestroyNotify)
+ clear_canceled_visibility_update);
+ }
+}
+
+static void
+on_row_changed (GtkTreeModel *model,
+ GtkTreePath *path,
+ GtkTreeIter *iter,
+ GdmChooserWidget *widget)
+{
+ queue_column_visibility_update (widget);
+}
+
+static void
+add_frame (GdmChooserWidget *widget)
+{
+ widget->priv->frame = gtk_frame_new (NULL);
+ gtk_frame_set_shadow_type (GTK_FRAME (widget->priv->frame),
+ GTK_SHADOW_NONE);
+ gtk_widget_show (widget->priv->frame);
+ gtk_container_add (GTK_CONTAINER (widget), widget->priv->frame);
+
+ widget->priv->frame_alignment = gtk_alignment_new (0.5, 0.5, 1.0, 1.0);
+ gtk_widget_show (widget->priv->frame_alignment);
+ gtk_container_add (GTK_CONTAINER (widget->priv->frame),
+ widget->priv->frame_alignment);
+}
+
+static gboolean
+on_button_release (GtkTreeView *items_view,
+ GdkEventButton *event,
+ GdmChooserWidget *widget)
+{
+ GtkTreeModel *model;
+ GtkTreeIter iter;
+ GtkTreeSelection *selection;
+
+ selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (widget->priv->items_view));
+ if (gtk_tree_selection_get_selected (selection, &model, &iter)) {
+ GtkTreePath *path;
+
+ path = gtk_tree_model_get_path (model, &iter);
+ gtk_tree_view_row_activated (GTK_TREE_VIEW (items_view),
+ path, NULL);
+ gtk_tree_path_free (path);
+ }
+
+ return FALSE;
+}
+
+static void
+gdm_chooser_widget_init (GdmChooserWidget *widget)
+{
+ GtkTreeViewColumn *column;
+ GtkTreeSelection *selection;
+ GtkCellRenderer *renderer;
+
+ widget->priv = GDM_CHOOSER_WIDGET_GET_PRIVATE (widget);
+
+ gtk_alignment_set_padding (GTK_ALIGNMENT (widget), 6, 0, 12, 0);
+
+ add_frame (widget);
+
+ widget->priv->scrolled_window = gtk_scrolled_window_new (NULL, NULL);
+
+ gtk_scrolled_window_set_vadjustment (GTK_SCROLLED_WINDOW (widget->priv->scrolled_window),
+ NULL);
+ gtk_scrolled_window_set_hadjustment (GTK_SCROLLED_WINDOW (widget->priv->scrolled_window),
+ NULL);
+ gtk_widget_show (widget->priv->scrolled_window);
+ gtk_container_add (GTK_CONTAINER (widget->priv->frame_alignment),
+ widget->priv->scrolled_window);
+
+ widget->priv->items_view = gtk_tree_view_new ();
+ gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (widget->priv->items_view),
+ FALSE);
+ g_signal_connect (widget->priv->items_view,
+ "row-activated",
+ G_CALLBACK (on_row_activated),
+ widget);
+
+ /* hack to make single-click activate work
+ */
+ g_signal_connect_after (widget->priv->items_view,
+ "button-release-event",
+ G_CALLBACK (on_button_release),
+ widget);
+
+ gtk_widget_show (widget->priv->items_view);
+ gtk_container_add (GTK_CONTAINER (widget->priv->scrolled_window),
+ widget->priv->items_view);
+
+ selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (widget->priv->items_view));
+ gtk_tree_selection_set_mode (selection, GTK_SELECTION_BROWSE);
+
+ g_assert (NUMBER_OF_CHOOSER_COLUMNS == 7);
+ widget->priv->list_store = gtk_list_store_new (NUMBER_OF_CHOOSER_COLUMNS,
+ GDK_TYPE_PIXBUF,
+ G_TYPE_STRING,
+ G_TYPE_STRING,
+ G_TYPE_BOOLEAN,
+ G_TYPE_BOOLEAN,
+ G_TYPE_BOOLEAN,
+ G_TYPE_STRING);
+
+ widget->priv->model_filter = GTK_TREE_MODEL_FILTER (gtk_tree_model_filter_new (GTK_TREE_MODEL (widget->priv->list_store), NULL));
+
+ gtk_tree_model_filter_set_visible_column (widget->priv->model_filter,
+ CHOOSER_ITEM_IS_VISIBLE_COLUMN);
+ g_signal_connect (G_OBJECT (widget->priv->model_filter), "row-changed",
+ G_CALLBACK (on_row_changed), widget);
+
+ widget->priv->model_sorter = GTK_TREE_MODEL_SORT (gtk_tree_model_sort_new_with_model (GTK_TREE_MODEL (widget->priv->model_filter)));
+
+ gtk_tree_sortable_set_sort_func (GTK_TREE_SORTABLE (widget->priv->model_sorter),
+ CHOOSER_ID_COLUMN,
+ compare_item,
+ widget, NULL);
+
+ gtk_tree_sortable_set_sort_column_id (GTK_TREE_SORTABLE (widget->priv->model_sorter),
+ CHOOSER_ID_COLUMN,
+ GTK_SORT_ASCENDING);
+ gtk_tree_view_set_model (GTK_TREE_VIEW (widget->priv->items_view),
+ GTK_TREE_MODEL (widget->priv->model_sorter));
+ gtk_tree_view_set_row_separator_func (GTK_TREE_VIEW (widget->priv->items_view),
+ separator_func,
+ widget, NULL);
+
+ /* IMAGE COLUMN */
+ renderer = gtk_cell_renderer_pixbuf_new ();
+ column = gtk_tree_view_column_new ();
+ gtk_tree_view_column_pack_start (column, renderer, FALSE);
+ gtk_tree_view_append_column (GTK_TREE_VIEW (widget->priv->items_view), column);
+ widget->priv->image_column = column;
+
+ gtk_tree_view_column_set_attributes (column,
+ renderer,
+ "pixbuf", CHOOSER_IMAGE_COLUMN,
+ NULL);
+
+ g_object_set (renderer,
+ "width", GDM_CHOOSER_WIDGET_DEFAULT_ICON_SIZE,
+ "xalign", 1.0,
+ NULL);
+
+ /* NAME COLUMN */
+ renderer = gtk_cell_renderer_text_new ();
+ column = gtk_tree_view_column_new ();
+ gtk_tree_view_column_pack_start (column, renderer, FALSE);
+ gtk_tree_view_append_column (GTK_TREE_VIEW (widget->priv->items_view), column);
+ gtk_tree_view_column_set_cell_data_func (column,
+ renderer,
+ (GtkTreeCellDataFunc) name_cell_data_func,
+ widget,
+ NULL);
+
+ gtk_tree_view_set_tooltip_column (GTK_TREE_VIEW (widget->priv->items_view),
+ CHOOSER_COMMENT_COLUMN);
+
+ /* IN USE COLUMN */
+ renderer = gtk_cell_renderer_pixbuf_new ();
+ column = gtk_tree_view_column_new ();
+ gtk_tree_view_column_pack_start (column, renderer, FALSE);
+ gtk_tree_view_append_column (GTK_TREE_VIEW (widget->priv->items_view), column);
+ widget->priv->is_in_use_column = column;
+
+ gtk_tree_view_column_set_cell_data_func (column,
+ renderer,
+ (GtkTreeCellDataFunc) check_cell_data_func,
+ widget,
+ NULL);
+ widget->priv->is_in_use_pixbuf = get_is_in_use_pixbuf (widget);
+
+ g_object_set (renderer,
+ "width", GDM_CHOOSER_WIDGET_DEFAULT_ICON_SIZE,
+ NULL);
+
+ add_separator (widget);
+
+ queue_column_visibility_update (widget);
+ gdm_chooser_widget_grow (widget);
+}
+
+static void
+gdm_chooser_widget_finalize (GObject *object)
+{
+ GdmChooserWidget *widget;
+
+ g_return_if_fail (object != NULL);
+ g_return_if_fail (GDM_IS_CHOOSER_WIDGET (object));
+
+ widget = GDM_CHOOSER_WIDGET (object);
+
+ g_return_if_fail (widget->priv != NULL);
+
+ G_OBJECT_CLASS (gdm_chooser_widget_parent_class)->finalize (object);
+}
+
+GtkWidget *
+gdm_chooser_widget_new (const char *inactive_text,
+ const char *active_text)
+{
+ GObject *object;
+
+ object = g_object_new (GDM_TYPE_CHOOSER_WIDGET,
+ "inactive-text", inactive_text,
+ "active-text", active_text, NULL);
+
+ return GTK_WIDGET (object);
+}
+
+void
+gdm_chooser_widget_add_item (GdmChooserWidget *widget,
+ const char *id,
+ GdkPixbuf *image,
+ const char *name,
+ const char *comment,
+ gboolean in_use,
+ gboolean keep_separate)
+{
+ gboolean is_visible;
+
+ g_return_if_fail (GDM_IS_CHOOSER_WIDGET (widget));
+
+ if (keep_separate) {
+ widget->priv->number_of_separated_rows++;
+ } else {
+ widget->priv->number_of_normal_rows++;
+ }
+
+ if (in_use) {
+ widget->priv->number_of_in_use_rows++;
+ }
+
+ if (image != NULL) {
+ widget->priv->number_of_rows_with_images++;
+ }
+
+ is_visible = widget->priv->active_row == NULL;
+
+ gtk_list_store_insert_with_values (widget->priv->list_store,
+ NULL, 0,
+ CHOOSER_IMAGE_COLUMN, image,
+ CHOOSER_NAME_COLUMN, name,
+ CHOOSER_COMMENT_COLUMN, comment,
+ CHOOSER_ITEM_IS_IN_USE_COLUMN, in_use,
+ CHOOSER_ITEM_IS_SEPARATED_COLUMN, keep_separate,
+ CHOOSER_ITEM_IS_VISIBLE_COLUMN, is_visible,
+ CHOOSER_ID_COLUMN, id,
+ -1);
+
+ move_cursor_to_top (widget);
+}
+
+void
+gdm_chooser_widget_remove_item (GdmChooserWidget *widget,
+ const char *id)
+{
+ GtkTreeModel *model;
+ GtkTreeIter iter;
+ GdkPixbuf *image;
+ gboolean is_separate;
+ gboolean is_in_use;
+
+ g_return_if_fail (GDM_IS_CHOOSER_WIDGET (widget));
+
+ model = GTK_TREE_MODEL (widget->priv->list_store);
+
+ if (!find_item (widget, id, &iter)) {
+ g_critical ("Tried to remove non-existing item from chooser");
+ return;
+ }
+
+ is_separate = FALSE;
+ gtk_tree_model_get (model, &iter,
+ CHOOSER_IMAGE_COLUMN, &image,
+ CHOOSER_ITEM_IS_IN_USE_COLUMN, &is_in_use,
+ CHOOSER_ITEM_IS_SEPARATED_COLUMN, &is_separate,
+ -1);
+
+ if (image != NULL) {
+ widget->priv->number_of_rows_with_images--;
+ g_object_unref (image);
+ }
+
+ if (is_in_use) {
+ widget->priv->number_of_in_use_rows--;
+ }
+
+ if (is_separate) {
+ widget->priv->number_of_separated_rows--;
+ } else {
+ widget->priv->number_of_normal_rows--;
+ }
+
+ gtk_list_store_remove (widget->priv->list_store, &iter);
+
+ move_cursor_to_top (widget);
+}
+
+gboolean
+gdm_chooser_widget_lookup_item (GdmChooserWidget *widget,
+ const char *id,
+ GdkPixbuf **image,
+ char **name,
+ char **comment,
+ gboolean *is_in_use,
+ gboolean *is_separate)
+{
+ GtkTreeModel *model;
+ GtkTreeIter iter;
+ char *active_item_id;
+
+ g_return_val_if_fail (GDM_IS_CHOOSER_WIDGET (widget), FALSE);
+ g_return_val_if_fail (id != NULL, FALSE);
+
+ active_item_id = get_active_item_id (widget, &iter);
+
+ if (active_item_id == NULL || strcmp (active_item_id, id) != 0) {
+ g_free (active_item_id);
+
+ if (!find_item (widget, id, &iter)) {
+ return FALSE;
+ }
+ }
+ g_free (active_item_id);
+
+ gtk_tree_model_get (GTK_TREE_MODEL (widget->priv->list_store), &iter,
+ CHOOSER_IMAGE_COLUMN, image,
+ CHOOSER_NAME_COLUMN, name,
+ CHOOSER_ITEM_IS_IN_USE_COLUMN, is_in_use,
+ CHOOSER_ITEM_IS_SEPARATED_COLUMN, is_separate,
+ -1);
+
+ return TRUE;
+}
+
+void
+gdm_chooser_widget_set_item_in_use (GdmChooserWidget *widget,
+ const char *id,
+ gboolean is_in_use)
+{
+ GtkTreeIter iter;
+
+ g_return_if_fail (GDM_IS_CHOOSER_WIDGET (widget));
+
+ if (!find_item (widget, id, &iter)) {
+ return;
+ }
+
+ gtk_list_store_set (widget->priv->list_store, &iter,
+ CHOOSER_ITEM_IS_IN_USE_COLUMN, is_in_use, -1);
+}
+
+void
+gdm_chooser_widget_set_in_use_message (GdmChooserWidget *widget,
+ const char *message)
+{
+ g_return_if_fail (GDM_IS_CHOOSER_WIDGET (widget));
+
+ g_free (widget->priv->in_use_message);
+ widget->priv->in_use_message = g_strdup (message);
+}
+
+void
+gdm_chooser_widget_set_separator_position (GdmChooserWidget *widget,
+ GdmChooserWidgetPosition position)
+{
+ g_return_if_fail (GDM_IS_CHOOSER_WIDGET (widget));
+
+ if (widget->priv->separator_position != position) {
+ widget->priv->separator_position = position;
+ }
+
+ gtk_tree_model_filter_refilter (widget->priv->model_filter);
+}
+
+void
+gdm_chooser_widget_set_hide_inactive_items (GdmChooserWidget *widget,
+ gboolean should_hide)
+{
+ widget->priv->should_hide_inactive_items = should_hide;
+
+ if (should_hide &&
+ (widget->priv->state != GDM_CHOOSER_WIDGET_STATE_SHRUNK
+ || widget->priv->state != GDM_CHOOSER_WIDGET_STATE_SHRINKING) &&
+ widget->priv->active_row != NULL) {
+ gdm_chooser_widget_shrink (widget);
+ } else if (!should_hide &&
+ (widget->priv->state != GDM_CHOOSER_WIDGET_STATE_GROWN
+ || widget->priv->state != GDM_CHOOSER_WIDGET_STATE_GROWING)) {
+ gdm_chooser_widget_grow (widget);
+ }
+}
diff --git a/gui/simple-greeter/gdm-chooser-widget.h b/gui/simple-greeter/gdm-chooser-widget.h
new file mode 100644
index 0000000..9a5581f
--- /dev/null
+++ b/gui/simple-greeter/gdm-chooser-widget.h
@@ -0,0 +1,102 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
+ *
+ * Copyright (C) 2007 Ray Strode <rstrode@redhat.com>
+ * Copyright (C) 2007 William Jon McCann <mccann@jhu.edu>
+ *
+ * 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 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ */
+
+#ifndef __GDM_CHOOSER_WIDGET_H
+#define __GDM_CHOOSER_WIDGET_H
+
+#include <glib-object.h>
+#include <gtk/gtkalignment.h>
+
+G_BEGIN_DECLS
+
+#define GDM_TYPE_CHOOSER_WIDGET (gdm_chooser_widget_get_type ())
+#define GDM_CHOOSER_WIDGET(o) (G_TYPE_CHECK_INSTANCE_CAST ((o), GDM_TYPE_CHOOSER_WIDGET, GdmChooserWidget))
+#define GDM_CHOOSER_WIDGET_CLASS(k) (G_TYPE_CHECK_CLASS_CAST((k), GDM_TYPE_CHOOSER_WIDGET, GdmChooserWidgetClass))
+#define GDM_IS_CHOOSER_WIDGET(o) (G_TYPE_CHECK_INSTANCE_TYPE ((o), GDM_TYPE_CHOOSER_WIDGET))
+#define GDM_IS_CHOOSER_WIDGET_CLASS(k) (G_TYPE_CHECK_CLASS_TYPE ((k), GDM_TYPE_CHOOSER_WIDGET))
+#define GDM_CHOOSER_WIDGET_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS ((o), GDM_TYPE_CHOOSER_WIDGET, GdmChooserWidgetClass))
+
+typedef struct GdmChooserWidgetPrivate GdmChooserWidgetPrivate;
+
+typedef struct
+{
+ GtkAlignment parent;
+ GdmChooserWidgetPrivate *priv;
+} GdmChooserWidget;
+
+typedef struct
+{
+ GtkAlignmentClass parent_class;
+
+ void (* activated) (GdmChooserWidget *widget);
+ void (* deactivated) (GdmChooserWidget *widget);
+
+#ifdef BUILD_ALLOCATION_HACK
+ gulong size_negotiation_handler;
+#endif
+} GdmChooserWidgetClass;
+
+typedef enum {
+ GDM_CHOOSER_WIDGET_POSITION_TOP = 0,
+ GDM_CHOOSER_WIDGET_POSITION_BOTTOM,
+} GdmChooserWidgetPosition;
+
+GType gdm_chooser_widget_get_type (void);
+GtkWidget * gdm_chooser_widget_new (const char *unactive_label,
+ const char *active_label);
+
+void gdm_chooser_widget_add_item (GdmChooserWidget *widget,
+ const char *id,
+ GdkPixbuf *image,
+ const char *name,
+ const char *comment,
+ gboolean is_in_use,
+ gboolean keep_separate);
+void gdm_chooser_widget_remove_item (GdmChooserWidget *widget,
+ const char *id);
+gboolean gdm_chooser_widget_lookup_item (GdmChooserWidget *widget,
+ const char *id,
+ GdkPixbuf **image,
+ char **name,
+ char **comment,
+ gboolean *is_in_use,
+ gboolean *is_separate);
+
+char * gdm_chooser_widget_get_active_item (GdmChooserWidget *widget);
+void gdm_chooser_widget_set_active_item (GdmChooserWidget *widget,
+ const char *item);
+
+void gdm_chooser_widget_set_item_in_use (GdmChooserWidget *widget,
+ const char *id,
+ gboolean is_in_use);
+
+void gdm_chooser_widget_set_in_use_message (GdmChooserWidget *widget,
+ const char *message);
+
+void gdm_chooser_widget_set_separator_position (GdmChooserWidget *widget,
+ GdmChooserWidgetPosition position);
+void gdm_chooser_widget_set_hide_inactive_items (GdmChooserWidget *widget,
+ gboolean should_hide);
+G_END_DECLS
+
+#endif /* __GDM_CHOOSER_WIDGET_H */
+
+
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