/*
* e-mail-shell-sidebar.c
*
* 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) version 3.
*
* 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with the program; if not, see <http://www.gnu.org/licenses/>
*
*
* Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
*
*/
#include "e-mail-shell-sidebar.h"
#include "mail/e-mail-backend.h"
#include "mail/e-mail-sidebar.h"
#include "mail/em-folder-utils.h"
struct _EMailShellSidebarPrivate {
GtkWidget *folder_tree;
};
enum {
PROP_0,
PROP_FOLDER_TREE
};
static gpointer parent_class;
static GType mail_shell_sidebar_type;
static void
mail_shell_sidebar_selection_changed_cb (EShellSidebar *shell_sidebar,
GtkTreeSelection *selection)
{
EShellView *shell_view;
EShellViewClass *shell_view_class;
GtkTreeModel *model;
GtkTreeIter iter;
const gchar *icon_name;
gchar *display_name = NULL;
gboolean is_folder = FALSE;
guint flags = 0;
shell_view = e_shell_sidebar_get_shell_view (shell_sidebar);
shell_view_class = E_SHELL_VIEW_GET_CLASS (shell_view);
if (gtk_tree_selection_get_selected (selection, &model, &iter))
gtk_tree_model_get (
model, &iter,
COL_STRING_DISPLAY_NAME, &display_name,
COL_BOOL_IS_FOLDER, &is_folder,
COL_UINT_FLAGS, &flags, -1);
if (is_folder)
icon_name = em_folder_utils_get_icon_name (flags);
else {
icon_name = shell_view_class->icon_name;
display_name = g_strdup (shell_view_class->label);
}
e_shell_sidebar_set_icon_name (shell_sidebar, icon_name);
e_shell_sidebar_set_primary_text (shell_sidebar, display_name);
g_free (display_name);
}
static void
mail_shell_sidebar_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec)
{
switch (property_id) {
case PROP_FOLDER_TREE:
g_value_set_object (
value, e_mail_shell_sidebar_get_folder_tree (
E_MAIL_SHELL_SIDEBAR (object)));
return;
}
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}
static void
mail_shell_sidebar_dispose (GObject *object)
{
EMailShellSidebarPrivate *priv;
priv = E_MAIL_SHELL_SIDEBAR (object)->priv;
if (priv->folder_tree != NULL) {
g_object_unref (priv->folder_tree);
priv->folder_tree = NULL;
}
/* Chain up to parent's dispose() method. */
G_OBJECT_CLASS (parent_class)->dispose (object);
}
static void
mail_shell_sidebar_constructed (GObject *object)
{
EMailShellSidebar *mail_shell_sidebar;
EShellSettings *shell_settings;
EShellBackend *shell_backend;
EShellSidebar *shell_sidebar;
EShellWindow *shell_window;
EShellView *shell_view;
EShell *shell;
EMailBackend *backend;
EMailSession *session;
GtkTreeSelection *selection;
GtkTreeView *tree_view;
GtkWidget *container;
GtkWidget *widget;
/* Chain up to parent's constructed method. */
G_OBJECT_CLASS (parent_class)->constructed (object);
shell_sidebar = E_SHELL_SIDEBAR (object);
shell_view = e_shell_sidebar_get_shell_view (shell_sidebar);
shell_backend = e_shell_view_get_shell_backend (shell_view);
shell_window = e_shell_view_get_shell_window (shell_view);
shell = e_shell_window_get_shell (shell_window);
shell_settings = e_shell_get_shell_settings (shell);
backend = E_MAIL_BACKEND (shell_backend);
session = e_mail_backend_get_session (backend);
mail_shell_sidebar = E_MAIL_SHELL_SIDEBAR (object);
/* Build sidebar widgets. */
container = GTK_WIDGET (object);
widget = gtk_scrolled_window_new (NULL, NULL);
gtk_scrolled_window_set_policy (
GTK_SCROLLED_WINDOW (widget),
GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
gtk_scrolled_window_set_shadow_type (
GTK_SCROLLED_WINDOW (widget), GTK_SHADOW_IN);
gtk_container_add (GTK_CONTAINER (container), widget);
gtk_widget_show (widget);
container = widget;
widget = e_mail_sidebar_new (session);
gtk_container_add (GTK_CONTAINER (container), widget);
mail_shell_sidebar->priv->folder_tree = g_object_ref (widget);
gtk_widget_show (widget);
g_object_bind_property (
shell_view, "state-key-file",
widget, "key-file",
G_BINDING_SYNC_CREATE);
g_object_bind_property (
shell_settings, "mail-sidebar-ellipsize",
widget, "ellipsize",
G_BINDING_SYNC_CREATE);
g_object_bind_property (
shell_settings, "mail-sidebar-search",
widget, "enable-search",
G_BINDING_SYNC_CREATE);
g_signal_connect_swapped (
widget, "key-file-changed",
G_CALLBACK (e_shell_view_set_state_dirty), shell_view);
tree_view = GTK_TREE_VIEW (mail_shell_sidebar->priv->folder_tree);
selection = gtk_tree_view_get_selection (tree_view);
g_signal_connect_swapped (
selection, "changed",
G_CALLBACK (mail_shell_sidebar_selection_changed_cb),
shell_sidebar);
}
static gint
guess_screen_width (EMailShellSidebar *sidebar)
{
GtkWidget *widget;
GdkScreen *screen;
gint screen_width;
widget = GTK_WIDGET (sidebar);
screen_width = 0;
screen = gtk_widget_get_screen (widget);
if (screen) {
GtkWidget *toplevel;
gint monitor;
GdkRectangle rect;
toplevel = gtk_widget_get_toplevel (widget);
if (toplevel && gtk_widget_get_realized (toplevel))
monitor = gdk_screen_get_monitor_at_window (
screen, gtk_widget_get_window (toplevel));
else {
/* We don't know in which monitor the window manager
* will put us. So we will just use the geometry of
* the first monitor.
*/
monitor = 0;
}
gdk_screen_get_monitor_geometry (screen, monitor, &rect);
screen_width = rect.width;
}
if (screen_width == 0)
screen_width = 1024;
return screen_width;
}
static void
mail_shell_sidebar_get_preferred_height (GtkWidget *widget,
gint *minimum_height,
gint *natural_height)
{
GTK_WIDGET_CLASS (parent_class)->get_preferred_height (
widget, minimum_height, natural_height);
}
static void
mail_shell_sidebar_get_preferred_width (GtkWidget *widget,
gint *minimum_width,
gint *natural_width)
{
/* We override the normal size-request handler so that we can
* spit out a treeview with a suitable width. We measure the
* length of a typical string and use that as the requisition's
* width.
*
* EMFolderTreeClass, our parent class, is based on GtkTreeView,
* which doesn't really have a good way of figuring out a minimum
* width for the tree. This is really GTK+'s fault at large, as
* it only has "minimum size / allocated size", instead of
* "minimum size / preferred size / allocated size". Hopefully
* the extended-layout branch of GTK+ will get merged soon and
* then we can remove this crap.
*/
EMailShellSidebar *sidebar;
PangoLayout *layout;
PangoRectangle ink_rect;
GtkStyle *style;
gint border;
gint sidebar_width;
gint screen_width;
sidebar = E_MAIL_SHELL_SIDEBAR (widget);
GTK_WIDGET_CLASS (parent_class)->get_preferred_width (
widget, minimum_width, natural_width);
/* This string is a mockup only; it doesn't need to be translated */
layout = gtk_widget_create_pango_layout (
widget, "typical.account@mailservice.com");
pango_layout_get_pixel_extents (layout, &ink_rect, NULL);
g_object_unref (layout);
style = gtk_widget_get_style (widget);
screen_width = guess_screen_width (sidebar);
/* Thickness of frame shadow plus some slack for padding. */
border = 2 * style->xthickness + 4;
sidebar_width = ink_rect.width + border;
sidebar_width = MIN (sidebar_width, screen_width / 4);
*minimum_width = *natural_width = MAX (*natural_width, sidebar_width);
}
static guint32
mail_shell_sidebar_check_state (EShellSidebar *shell_sidebar)
{
EMailShellSidebarPrivate *priv;
EMailSidebar *sidebar;
priv = E_MAIL_SHELL_SIDEBAR (shell_sidebar)->priv;
sidebar = E_MAIL_SIDEBAR (priv->folder_tree);
return e_mail_sidebar_check_state (sidebar);
}
static void
mail_shell_sidebar_class_init (EMailShellSidebarClass *class)
{
GObjectClass *object_class;
GtkWidgetClass *widget_class;
EShellSidebarClass *shell_sidebar_class;
parent_class = g_type_class_peek_parent (class);
g_type_class_add_private (class, sizeof (EMailShellSidebarPrivate));
object_class = G_OBJECT_CLASS (class);
object_class->get_property = mail_shell_sidebar_get_property;
object_class->dispose = mail_shell_sidebar_dispose;
object_class->constructed = mail_shell_sidebar_constructed;
widget_class = GTK_WIDGET_CLASS (class);
widget_class->get_preferred_width = mail_shell_sidebar_get_preferred_width;
widget_class->get_preferred_height = mail_shell_sidebar_get_preferred_height;
shell_sidebar_class = E_SHELL_SIDEBAR_CLASS (class);
shell_sidebar_class->check_state = mail_shell_sidebar_check_state;
g_object_class_install_property (
object_class,
PROP_FOLDER_TREE,
g_param_spec_object (
"folder-tree",
NULL,
NULL,
EM_TYPE_FOLDER_TREE,
G_PARAM_READABLE));
}
static void
mail_shell_sidebar_init (EMailShellSidebar *mail_shell_sidebar)
{
mail_shell_sidebar->priv = G_TYPE_INSTANCE_GET_PRIVATE (
mail_shell_sidebar, E_TYPE_MAIL_SHELL_SIDEBAR,
EMailShellSidebarPrivate);
/* Postpone widget construction until we have a shell view. */
}
GType
e_mail_shell_sidebar_get_type (void)
{
return mail_shell_sidebar_type;
}
void
e_mail_shell_sidebar_register_type (GTypeModule *type_module)
{
static const GTypeInfo type_info = {
sizeof (EMailShellSidebarClass),
(GBaseInitFunc) NULL,
(GBaseFinalizeFunc) NULL,
(GClassInitFunc) mail_shell_sidebar_class_init,
(GClassFinalizeFunc) NULL,
NULL, /* class_data */
sizeof (EMailShellSidebar),
0, /* n_preallocs */
(GInstanceInitFunc) mail_shell_sidebar_init,
NULL /* value_table */
};
mail_shell_sidebar_type = g_type_module_register_type (
type_module, E_TYPE_SHELL_SIDEBAR,
"EMailShellSidebar", &type_info, 0);
}
GtkWidget *
e_mail_shell_sidebar_new (EShellView *shell_view)
{
g_return_val_if_fail (E_IS_SHELL_VIEW (shell_view), NULL);
return g_object_new (
E_TYPE_MAIL_SHELL_SIDEBAR,
"shell-view", shell_view, NULL);
}
EMFolderTree *
e_mail_shell_sidebar_get_folder_tree (EMailShellSidebar *mail_shell_sidebar)
{
g_return_val_if_fail (
E_IS_MAIL_SHELL_SIDEBAR (mail_shell_sidebar), NULL);
return EM_FOLDER_TREE (mail_shell_sidebar->priv->folder_tree);
}
