/*
* e-shell-view.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-shell-view.h"
#include <string.h>
#include <glib/gi18n.h>
#include "e-util/e-util.h"
#include "e-util/e-plugin-ui.h"
#include "e-shell-window-actions.h"
#define E_SHELL_VIEW_GET_PRIVATE(obj) \
(G_TYPE_INSTANCE_GET_PRIVATE \
((obj), E_TYPE_SHELL_VIEW, EShellViewPrivate))
#define STATE_SAVE_TIMEOUT_SECONDS 3
struct _EShellViewPrivate {
gpointer shell_window; /* weak pointer */
GKeyFile *state_key_file;
guint state_save_source_id;
gchar *title;
gchar *view_id;
gint page_num;
guint merge_id;
GtkAction *action;
GtkSizeGroup *size_group;
GtkWidget *shell_content;
GtkWidget *shell_sidebar;
GtkWidget *shell_taskbar;
};
enum {
PROP_0,
PROP_ACTION,
PROP_PAGE_NUM,
PROP_TITLE,
PROP_SHELL_BACKEND,
PROP_SHELL_CONTENT,
PROP_SHELL_SIDEBAR,
PROP_SHELL_TASKBAR,
PROP_SHELL_WINDOW,
PROP_VIEW_ID
};
enum {
TOGGLED,
EXECUTE_SEARCH,
UPDATE_ACTIONS,
LAST_SIGNAL
};
static gpointer parent_class;
static gulong signals[LAST_SIGNAL];
static void
shell_view_init_view_collection (EShellViewClass *class)
{
EShellBackend *shell_backend;
const gchar *base_dir;
const gchar *backend_name;
gchar *system_dir;
gchar *local_dir;
shell_backend = class->shell_backend;
g_return_if_fail (E_IS_SHELL_BACKEND (shell_backend));
backend_name = E_SHELL_BACKEND_GET_CLASS (shell_backend)->name;
base_dir = EVOLUTION_GALVIEWSDIR;
system_dir = g_build_filename (base_dir, backend_name, NULL);
base_dir = e_shell_backend_get_data_dir (shell_backend);
local_dir = g_build_filename (base_dir, "views", NULL);
/* The view collection is never destroyed. */
class->view_collection = gal_view_collection_new ();
gal_view_collection_set_title (
class->view_collection, class->label);
gal_view_collection_set_storage_directories (
class->view_collection, system_dir, local_dir);
g_free (system_dir);
g_free (local_dir);
/* This is all we can do. It's up to the subclasses to
* add the appropriate factories to the view collection. */
}
static void
shell_view_update_view_id (EShellView *shell_view,
GalViewInstance *view_instance)
{
gchar *view_id;
view_id = gal_view_instance_get_current_view_id (view_instance);
e_shell_view_set_view_id (shell_view, view_id);
g_free (view_id);
}
static void
shell_view_load_state (EShellView *shell_view)
{
EShellBackend *shell_backend;
GKeyFile *key_file;
const gchar *config_dir;
gchar *filename;
GError *error = NULL;
shell_backend = e_shell_view_get_shell_backend (shell_view);
config_dir = e_shell_backend_get_config_dir (shell_backend);
filename = g_build_filename (config_dir, "state", NULL);
/* XXX Should do this asynchronously. */
key_file = shell_view->priv->state_key_file;
g_key_file_load_from_file (key_file, filename, 0, &error);
if (error == NULL)
goto exit;
if (!g_error_matches (error, G_FILE_ERROR, G_FILE_ERROR_NOENT))
g_warning ("%s", error->message);
g_error_free (error);
exit:
g_free (filename);
}
static void
shell_view_save_state (EShellView *shell_view)
{
EShellBackend *shell_backend;
GKeyFile *key_file;
const gchar *config_dir;
gchar *contents;
gchar *filename;
GError *error = NULL;
shell_backend = e_shell_view_get_shell_backend (shell_view);
config_dir = e_shell_backend_get_config_dir (shell_backend);
filename = g_build_filename (config_dir, "state", NULL);
/* XXX Should do this asynchronously. */
key_file = shell_view->priv->state_key_file;
contents = g_key_file_to_data (key_file, NULL, NULL);
g_file_set_contents (filename, contents, -1, &error);
g_free (contents);
if (error != NULL) {
g_warning ("%s", error->message);
g_error_free (error);
}
g_free (filename);
}
static gboolean
shell_view_state_timeout_cb (EShellView *shell_view)
{
shell_view_save_state (shell_view);
shell_view->priv->state_save_source_id = 0;
return FALSE;
}
static gboolean
shell_view_register_ui_manager (EShellView *shell_view)
{
EShellViewClass *shell_view_class;
EShellWindow *shell_window;
GtkUIManager *ui_manager;
const gchar *id;
/* This is a one-time, post-construction idle callback. */
shell_view_class = E_SHELL_VIEW_GET_CLASS (shell_view);
shell_window = e_shell_view_get_shell_window (shell_view);
ui_manager = e_shell_window_get_ui_manager (shell_window);
id = shell_view_class->ui_manager_id;
e_plugin_ui_register_manager (ui_manager, id, shell_view);
if (e_shell_view_is_active (shell_view)) {
e_plugin_ui_enable_manager (ui_manager, id);
e_shell_view_update_actions (shell_view);
}
return FALSE;
}
static void
shell_view_emit_toggled (EShellView *shell_view)
{
g_signal_emit (shell_view, signals[TOGGLED], 0);
}
static void
shell_view_set_action (EShellView *shell_view,
GtkAction *action)
{
gchar *label;
g_return_if_fail (shell_view->priv->action == NULL);
shell_view->priv->action = g_object_ref (action);
g_object_get (action, "label", &label, NULL);
e_shell_view_set_title (shell_view, label);
g_free (label);
g_signal_connect_swapped (
action, "toggled",
G_CALLBACK (shell_view_emit_toggled), shell_view);
}
static void
shell_view_set_shell_window (EShellView *shell_view,
GtkWidget *shell_window)
{
g_return_if_fail (shell_view->priv->shell_window == NULL);
shell_view->priv->shell_window = shell_window;
g_object_add_weak_pointer (
G_OBJECT (shell_window),
&shell_view->priv->shell_window);
}
static void
shell_view_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec)
{
switch (property_id) {
case PROP_ACTION:
shell_view_set_action (
E_SHELL_VIEW (object),
g_value_get_object (value));
return;
case PROP_PAGE_NUM:
e_shell_view_set_page_num (
E_SHELL_VIEW (object),
g_value_get_int (value));
return;
case PROP_TITLE:
e_shell_view_set_title (
E_SHELL_VIEW (object),
g_value_get_string (value));
return;
case PROP_SHELL_WINDOW:
shell_view_set_shell_window (
E_SHELL_VIEW (object),
g_value_get_object (value));
return;
case PROP_VIEW_ID:
e_shell_view_set_view_id (
E_SHELL_VIEW (object),
g_value_get_string (value));
return;
}
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}
static void
shell_view_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec)
{
switch (property_id) {
case PROP_ACTION:
g_value_set_object (
value, e_shell_view_get_action (
E_SHELL_VIEW (object)));
return;
case PROP_PAGE_NUM:
g_value_set_int (
value, e_shell_view_get_page_num (
E_SHELL_VIEW (object)));
return;
case PROP_TITLE:
g_value_set_string (
value, e_shell_view_get_title (
E_SHELL_VIEW (object)));
return;
case PROP_SHELL_BACKEND:
g_value_set_object (
value, e_shell_view_get_shell_backend (
E_SHELL_VIEW (object)));
case PROP_SHELL_CONTENT:
g_value_set_object (
value, e_shell_view_get_shell_content (
E_SHELL_VIEW (object)));
return;
case PROP_SHELL_SIDEBAR:
g_value_set_object (
value, e_shell_view_get_shell_sidebar (
E_SHELL_VIEW (object)));
return;
case PROP_SHELL_TASKBAR:
g_value_set_object (
value, e_shell_view_get_shell_taskbar (
E_SHELL_VIEW (object)));
return;
case PROP_SHELL_WINDOW:
g_value_set_object (
value, e_shell_view_get_shell_window (
E_SHELL_VIEW (object)));
return;
case PROP_VIEW_ID:
g_value_set_string (
value, e_shell_view_get_view_id (
E_SHELL_VIEW (object)));
return;
}
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}
static void
shell_view_dispose (GObject *object)
{
EShellViewPrivate *priv;
priv = E_SHELL_VIEW_GET_PRIVATE (object);
/* Expedite any pending state saves. */
if (priv->state_save_source_id > 0) {
g_source_remove (priv->state_save_source_id);
priv->state_save_source_id = 0;
shell_view_save_state (E_SHELL_VIEW (object));
}
if (priv->shell_window != NULL) {
g_object_remove_weak_pointer (
G_OBJECT (priv->shell_window), &priv->shell_window);
priv->shell_window = NULL;
}
if (priv->size_group != NULL) {
g_object_unref (priv->size_group);
priv->size_group = NULL;
}
if (priv->shell_content != NULL) {
g_object_unref (priv->shell_content);
priv->shell_content = NULL;
}
if (priv->shell_sidebar != NULL) {
g_object_unref (priv->shell_sidebar);
priv->shell_sidebar = NULL;
}
if (priv->shell_taskbar != NULL) {
g_object_unref (priv->shell_taskbar);
priv->shell_taskbar = NULL;
}
/* Chain up to parent's dispose() method. */
G_OBJECT_CLASS (parent_class)->dispose (object);
}
static void
shell_view_finalize (GObject *object)
{
EShellViewPrivate *priv;
priv = E_SHELL_VIEW_GET_PRIVATE (object);
g_key_file_free (priv->state_key_file);
g_free (priv->title);
g_free (priv->view_id);
/* Chain up to parent's finalize() method. */
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static void
shell_view_constructed (GObject *object)
{
EShellViewClass *shell_view_class;
EShellView *shell_view;
GtkWidget *widget;
shell_view = E_SHELL_VIEW (object);
shell_view_class = E_SHELL_VIEW_GET_CLASS (shell_view);
/* Defer EPluginUI registration to an idle callback to give the
* shell view subclass a chance to register its own actions and
* action groups. Registration will immediately load EPlugins
* that specify the shell view's GtkUIManager ID, and their
* initialization routines may require those actions or action
* groups that have not yet been added. */
g_idle_add ((GSourceFunc) shell_view_register_ui_manager, shell_view);
shell_view_load_state (shell_view);
/* Invoke factory methods. */
widget = shell_view_class->new_shell_content (shell_view);
shell_view->priv->shell_content = g_object_ref_sink (widget);
gtk_widget_show (widget);
widget = shell_view_class->new_shell_sidebar (shell_view);
shell_view->priv->shell_sidebar = g_object_ref_sink (widget);
gtk_widget_show (widget);
widget = shell_view_class->new_shell_taskbar (shell_view);
shell_view->priv->shell_taskbar = g_object_ref_sink (widget);
gtk_widget_show (widget);
}
static void
shell_view_toggled (EShellView *shell_view)
{
EShellViewPrivate *priv = shell_view->priv;
EShellViewClass *shell_view_class;
EShellWindow *shell_window;
GtkUIManager *ui_manager;
const gchar *basename, *id;
gboolean view_is_active;
shell_view_class = E_SHELL_VIEW_GET_CLASS (shell_view);
shell_window = e_shell_view_get_shell_window (shell_view);
ui_manager = e_shell_window_get_ui_manager (shell_window);
view_is_active = e_shell_view_is_active (shell_view);
basename = shell_view_class->ui_definition;
id = shell_view_class->ui_manager_id;
if (view_is_active && priv->merge_id == 0) {
priv->merge_id = e_load_ui_definition (ui_manager, basename);
e_plugin_ui_enable_manager (ui_manager, id);
} else if (!view_is_active && priv->merge_id != 0) {
e_plugin_ui_disable_manager (ui_manager, id);
gtk_ui_manager_remove_ui (ui_manager, priv->merge_id);
priv->merge_id = 0;
}
gtk_ui_manager_ensure_update (ui_manager);
}
static void
shell_view_class_init (EShellViewClass *class)
{
GObjectClass *object_class;
parent_class = g_type_class_peek_parent (class);
g_type_class_add_private (class, sizeof (EShellViewPrivate));
object_class = G_OBJECT_CLASS (class);
object_class->set_property = shell_view_set_property;
object_class->get_property = shell_view_get_property;
object_class->dispose = shell_view_dispose;
object_class->finalize = shell_view_finalize;
object_class->constructed = shell_view_constructed;
/* Default Factories */
class->new_shell_content = e_shell_content_new;
class->new_shell_sidebar = e_shell_sidebar_new;
class->new_shell_taskbar = e_shell_taskbar_new;
class->toggled = shell_view_toggled;
/**
* EShellView:action:
*
* The #GtkRadioAction registered with #EShellSwitcher.
**/
g_object_class_install_property (
object_class,
PROP_ACTION,
g_param_spec_object (
"action",
_("Switcher Action"),
_("The switcher action for this shell view"),
GTK_TYPE_RADIO_ACTION,
G_PARAM_READWRITE |
G_PARAM_CONSTRUCT_ONLY));
/**
* EShellView:page-num
*
* The #GtkNotebook page number of the shell view.
**/
g_object_class_install_property (
object_class,
PROP_PAGE_NUM,
g_param_spec_int (
"page-num",
_("Page Number"),
_("The notebook page number of the shell view"),
-1,
G_MAXINT,
-1,
G_PARAM_READWRITE));
/**
* EShellView:title
*
* The title of the shell view. Also serves as the #EShellWindow
* title when the shell view is active.
**/
g_object_class_install_property (
object_class,
PROP_TITLE,
g_param_spec_string (
"title",
_("Title"),
_("The title of the shell view"),
NULL,
G_PARAM_READWRITE));
/**
* EShellView::shell-backend
*
* The #EShellBackend for this shell view.
**/
g_object_class_install_property (
object_class,
PROP_SHELL_BACKEND,
g_param_spec_object (
"shell-backend",
_("Shell Backend"),
_("The EShellBackend for this shell view"),
E_TYPE_SHELL_BACKEND,
G_PARAM_READABLE));
/**
* EShellView:shell-content
*
* The content widget appears in an #EShellWindow<!-- -->'s
* right pane.
**/
g_object_class_install_property (
object_class,
PROP_SHELL_CONTENT,
g_param_spec_object (
"shell-content",
_("Shell Content Widget"),
_("The content widget appears in "
"a shell window's right pane"),
E_TYPE_SHELL_CONTENT,
G_PARAM_READABLE));
/**
* EShellView:shell-sidebar
*
* The sidebar widget appears in an #EShellWindow<!-- -->'s
* left pane.
**/
g_object_class_install_property (
object_class,
PROP_SHELL_SIDEBAR,
g_param_spec_object (
"shell-sidebar",
_("Shell Sidebar Widget"),
_("The sidebar widget appears in "
"a shell window's left pane"),
E_TYPE_SHELL_SIDEBAR,
G_PARAM_READABLE));
/**
* EShellView:shell-taskbar
*
* The taskbar widget appears at the bottom of an #EShellWindow.
**/
g_object_class_install_property (
object_class,
PROP_SHELL_TASKBAR,
g_param_spec_object (
"shell-taskbar",
_("Shell Taskbar Widget"),
_("The taskbar widget appears at "
"the bottom of a shell window"),
E_TYPE_SHELL_TASKBAR,
G_PARAM_READABLE));
/**
* EShellView:shell-window
*
* The #EShellWindow to which the shell view belongs.
**/
g_object_class_install_property (
object_class,
PROP_SHELL_WINDOW,
g_param_spec_object (
"shell-window",
_("Shell Window"),
_("The window to which the shell view belongs"),
E_TYPE_SHELL_WINDOW,
G_PARAM_READWRITE |
G_PARAM_CONSTRUCT_ONLY));
/**
* EShellView:view-id
*
* The current #GalView ID.
**/
g_object_class_install_property (
object_class,
PROP_VIEW_ID,
g_param_spec_string (
"view-id",
_("Current View ID"),
_("The current GAL view ID"),
NULL,
G_PARAM_READWRITE));
/**
* EShellView::toggled
* @shell_view: the #EShellView which emitted the signal
*
* Emitted when @shell_view is activated or deactivated.
* Use e_shell_view_is_active() to find out which event has
* occurred. The shell view being deactivated is always
* notified before the shell view being activated.
*
* By default, #EShellView adds the UI definition file
* given in the <structfield>ui_definition</structfield>
* field of #EShellViewClass on activation, and removes the
* UI definition on deactivation.
**/
signals[TOGGLED] = g_signal_new (
"toggled",
G_OBJECT_CLASS_TYPE (object_class),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (EShellViewClass, toggled),
NULL, NULL,
g_cclosure_marshal_VOID__VOID,
G_TYPE_NONE, 0);
/**
* EShellView::execute-search
* @shell_view: the #EShellView which emitted the signal
*
* #EShellView subclasses should override the
* <structfield>execute_search</structfield> method in
* #EShellViewClass to execute the current search conditions.
**/
signals[EXECUTE_SEARCH] = g_signal_new (
"execute-search",
G_OBJECT_CLASS_TYPE (object_class),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (EShellViewClass, execute_search),
NULL, NULL,
g_cclosure_marshal_VOID__VOID,
G_TYPE_NONE, 0);
/**
* EShellView::update-actions
* @shell_view: the #EShellView which emitted the signal
*
* #EShellView subclasses should override the
* <structfield>update_actions</structfield> method in
* #EShellViewClass to update sensitivities, labels, or any
* other aspect of the #GtkAction<!-- -->s they have registered.
*
* Plugins can also connect to this signal to be notified
* when to update their own #GtkAction<!-- -->s.
**/
signals[UPDATE_ACTIONS] = g_signal_new (
"update-actions",
G_OBJECT_CLASS_TYPE (object_class),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (EShellViewClass, update_actions),
NULL, NULL,
g_cclosure_marshal_VOID__VOID,
G_TYPE_NONE, 0);
}
static void
shell_view_init (EShellView *shell_view,
EShellViewClass *class)
{
GtkSizeGroup *size_group;
if (class->view_collection == NULL)
shell_view_init_view_collection (class);
size_group = gtk_size_group_new (GTK_SIZE_GROUP_VERTICAL);
shell_view->priv = E_SHELL_VIEW_GET_PRIVATE (shell_view);
shell_view->priv->state_key_file = g_key_file_new ();
shell_view->priv->size_group = size_group;
}
GType
e_shell_view_get_type (void)
{
static GType type = 0;
if (G_UNLIKELY (type == 0)) {
const GTypeInfo type_info = {
sizeof (EShellViewClass),
(GBaseInitFunc) NULL,
(GBaseFinalizeFunc) NULL,
(GClassInitFunc) shell_view_class_init,
(GClassFinalizeFunc) NULL,
NULL, /* class_data */
sizeof (EShellView),
0, /* n_preallocs */
(GInstanceInitFunc) shell_view_init,
NULL /* value_table */
};
type = g_type_register_static (
G_TYPE_OBJECT, "EShellView",
&type_info, G_TYPE_FLAG_ABSTRACT);
}
return type;
}
/**
* e_shell_view_get_name:
* @shell_view: an #EShellView
*
* Returns the view name for @shell_view, which is also the name of
* the corresponding #EShellBackend (see the <structfield>name</structfield>
* field in #EShellBackendInfo).
*
* Returns: the view name for @shell_view
**/
const gchar *
e_shell_view_get_name (EShellView *shell_view)
{
GtkAction *action;
g_return_val_if_fail (E_IS_SHELL_VIEW (shell_view), NULL);
action = e_shell_view_get_action (shell_view);
/* Switcher actions have a secret "view-name" data value.
* This gets set in e_shell_window_create_switcher_actions(). */
return g_object_get_data (G_OBJECT (action), "view-name");
}
/**
* e_shell_view_get_action:
* @shell_view: an #EShellView
*
* Returns the switcher action for @shell_view.
*
* An #EShellWindow creates a #GtkRadioAction for each registered subclass
* of #EShellView. This action gets passed to the #EShellSwitcher, which
* displays a button that proxies the action. The icon at the top of the
* sidebar also proxies the action. When @shell_view is active, the
* action's icon becomes the #EShellWindow icon.
*
* Returns: the switcher action for @shell_view
**/
GtkAction *
e_shell_view_get_action (EShellView *shell_view)
{
g_return_val_if_fail (E_IS_SHELL_VIEW (shell_view), NULL);
return shell_view->priv->action;
}
/**
* e_shell_view_get_title:
* @shell_view: an #EShellView
*
* Returns the title for @shell_view. When @shell_view is active, the
* shell view's title becomes the #EShellWindow title.
*
* Returns: the title for @shell_view
**/
const gchar *
e_shell_view_get_title (EShellView *shell_view)
{
g_return_val_if_fail (E_IS_SHELL_VIEW (shell_view), NULL);
return shell_view->priv->title;
}
/**
* e_shell_view_set_title:
* @shell_view: an #EShellView
* @title: a title for @shell_view
*
* Sets the title for @shell_view. When @shell_view is active, the
* shell view's title becomes the #EShellWindow title.
**/
void
e_shell_view_set_title (EShellView *shell_view,
const gchar *title)
{
g_return_if_fail (E_IS_SHELL_VIEW (shell_view));
if (title == NULL)
title = E_SHELL_VIEW_GET_CLASS (shell_view)->label;
if (g_strcmp0 (shell_view->priv->title, title) == 0)
return;
g_free (shell_view->priv->title);
shell_view->priv->title = g_strdup (title);
g_object_notify (G_OBJECT (shell_view), "title");
}
/**
* e_shell_view_get_view_id:
* @shell_view: an #EShellView
*
* Returns the ID of the currently selected #GalView.
*
* #EShellView subclasses are responsible for keeping this property in
* sync with their #GalViewInstance. #EShellView itself just provides
* a place to store the view ID, and emits a #GObject::notify signal
* when the property changes.
*
* Returns: the ID of the current #GalView
**/
const gchar *
e_shell_view_get_view_id (EShellView *shell_view)
{
g_return_val_if_fail (E_IS_SHELL_VIEW (shell_view), NULL);
return shell_view->priv->view_id;
}
/**
* e_shell_view_set_view_id:
* @shell_view: an #EShellView
* @view_id: a #GalView ID
*
* Selects the #GalView whose ID is equal to @view_id.
*
* #EShellView subclasses are responsible for keeping this property in
* sync with their #GalViewInstance. #EShellView itself just provides
* a place to store the view ID, and emits a #GObject::notify signal
* when the property changes.
**/
void
e_shell_view_set_view_id (EShellView *shell_view,
const gchar *view_id)
{
g_return_if_fail (E_IS_SHELL_VIEW (shell_view));
if (g_strcmp0 (shell_view->priv->view_id, view_id) == 0)
return;
g_free (shell_view->priv->view_id);
shell_view->priv->view_id = g_strdup (view_id);
g_object_notify (G_OBJECT (shell_view), "view-id");
}
/**
* e_shell_view_get_shell_window:
* @shell_view: an #EShellView
*
* Returns the #EShellWindow to which @shell_view belongs.
*
* Returns: the #EShellWindow to which @shell_view belongs
**/
EShellWindow *
e_shell_view_get_shell_window (EShellView *shell_view)
{
g_return_val_if_fail (E_IS_SHELL_VIEW (shell_view), NULL);
return E_SHELL_WINDOW (shell_view->priv->shell_window);
}
/**
* e_shell_view_is_active:
* @shell_view: an #EShellView
*
* Returns %TRUE if @shell_view is active. That is, if it's currently
* visible in its #EShellWindow. An #EShellWindow can only display one
* shell view at a time.
*
* Technically this just checks the #GtkToggleAction:active property of
* the shell view's switcher action. See e_shell_view_get_action().
*
* Returns: %TRUE if @shell_view is active
**/
gboolean
e_shell_view_is_active (EShellView *shell_view)
{
GtkAction *action;
g_return_val_if_fail (E_IS_SHELL_VIEW (shell_view), FALSE);
action = e_shell_view_get_action (shell_view);
return gtk_toggle_action_get_active (GTK_TOGGLE_ACTION (action));
}
/**
* e_shell_view_get_page_num:
* @shell_view: an #EShellView
*
* This function is only interesting to #EShellWindow. It returns the
* #GtkNotebook page number for @shell_view. The rest of the application
* should have no need for this.
*
* Returns: the notebook page number for @shell_view
**/
gint
e_shell_view_get_page_num (EShellView *shell_view)
{
g_return_val_if_fail (E_IS_SHELL_VIEW (shell_view), -1);
return shell_view->priv->page_num;
}
/**
* e_shell_view_set_page_num:
* @shell_view: an #EShellView
* @page_num: a notebook page number
*
* This function is only interesting to #EShellWindow. It sets the
* #GtkNotebook page number for @shell_view. The rest of the application
* must never call this because it could mess up shell view switching.
**/
void
e_shell_view_set_page_num (EShellView *shell_view,
gint page_num)
{
g_return_if_fail (E_IS_SHELL_VIEW (shell_view));
shell_view->priv->page_num = page_num;
g_object_notify (G_OBJECT (shell_view), "page-num");
}
/**
* e_shell_view_get_size_group:
* @shell_view: an #EShellView
*
* Returns a #GtkSizeGroup that #EShellContent and #EShellSidebar use
* to keep the search bar and sidebar banner vertically aligned. The
* rest of the application should have no need for this.
*
* Returns: a #GtkSizeGroup for internal use
**/
GtkSizeGroup *
e_shell_view_get_size_group (EShellView *shell_view)
{
g_return_val_if_fail (E_IS_SHELL_VIEW (shell_view), NULL);
return shell_view->priv->size_group;
}
/**
* e_shell_view_get_shell_backend:
* @shell_view: an #EShellView
*
* Returns the corresponding #EShellBackend for @shell_view.
*
* Returns: the corresponding #EShellBackend for @shell_view
**/
EShellBackend *
e_shell_view_get_shell_backend (EShellView *shell_view)
{
EShellViewClass *class;
g_return_val_if_fail (E_IS_SHELL_VIEW (shell_view), NULL);
class = E_SHELL_VIEW_GET_CLASS (shell_view);
g_return_val_if_fail (class->shell_backend != NULL, NULL);
return class->shell_backend;
}
/**
* e_shell_view_get_shell_content:
* @shell_view: an #EShellView
*
* Returns the #EShellContent instance for @shell_view.
*
* By default, #EShellView creates a plain #EShellContent during
* initialization. But #EShellView subclasses can override the
* <structfield>new_shell_content</structfield> factory method
* in #EShellViewClass to create a custom #EShellContent.
*
* Returns: the #EShellContent instance for @shell_view
**/
EShellContent *
e_shell_view_get_shell_content (EShellView *shell_view)
{
g_return_val_if_fail (E_IS_SHELL_VIEW (shell_view), NULL);
return E_SHELL_CONTENT (shell_view->priv->shell_content);
}
/**
* e_shell_view_get_shell_sidebar:
* @shell_view: an #EShellView
*
* Returns the #EShellSidebar instance for @shell_view.
*
* By default, #EShellView creates a plain #EShellSidebar during
* initialization. But #EShellView subclasses can override the
* <structfield>new_shell_sidebar</structfield> factory method
* in #EShellViewClass to create a custom #EShellSidebar.
*
* Returns: the #EShellSidebar instance for @shell_view
**/
EShellSidebar *
e_shell_view_get_shell_sidebar (EShellView *shell_view)
{
g_return_val_if_fail (E_IS_SHELL_VIEW (shell_view), NULL);
return E_SHELL_SIDEBAR (shell_view->priv->shell_sidebar);
}
/**
* e_shell_view_get_shell_taskbar:
* @shell_view: an #EShellView
*
* Returns the #EShellTaskbar instance for @shell_view.
*
* By default, #EShellView creates a plain #EShellTaskbar during
* initialization. But #EShellView subclasses can override the
* <structfield>new_shell_taskbar</structfield> factory method
* in #EShellViewClass to create a custom #EShellTaskbar.
*
* Returns: the #EShellTaskbar instance for @shell_view
**/
EShellTaskbar *
e_shell_view_get_shell_taskbar (EShellView *shell_view)
{
g_return_val_if_fail (E_IS_SHELL_VIEW (shell_view), NULL);
return E_SHELL_TASKBAR (shell_view->priv->shell_taskbar);
}
/**
* e_shell_view_get_state_key_file:
* @shell_view: an #EShellView
*
* Returns the #GKeyFile holding widget state data for @shell_view.
*
* Returns: the #GKeyFile for @shell_view
**/
GKeyFile *
e_shell_view_get_state_key_file (EShellView *shell_view)
{
g_return_val_if_fail (E_IS_SHELL_VIEW (shell_view), NULL);
return shell_view->priv->state_key_file;
}
/**
* e_shell_view_set_state_dirty:
* @shell_view: an #EShellView
*
* Marks the widget state data as modified (or "dirty") and schedules it
* to be saved to disk after a short delay. The delay caps the frequency
* of saving to disk.
**/
void
e_shell_view_set_state_dirty (EShellView *shell_view)
{
guint source_id;
g_return_if_fail (E_IS_SHELL_VIEW (shell_view));
/* If a timeout is already scheduled, do nothing. */
if (shell_view->priv->state_save_source_id > 0)
return;
source_id = g_timeout_add_seconds (
STATE_SAVE_TIMEOUT_SECONDS, (GSourceFunc)
shell_view_state_timeout_cb, shell_view);
shell_view->priv->state_save_source_id = source_id;
}
/**
* e_shell_view_execute_search:
* @shell_view: an #EShellView
*
* Emits the #EShellView:;execute-search signal.
*
* #EShellView subclasses should implement the
* <structfield>execute_search</structfield> method in #EShellViewClass
* to execute a search based on the current search conditions.
**/
void
e_shell_view_execute_search (EShellView *shell_view)
{
g_return_if_fail (E_IS_SHELL_VIEW (shell_view));
g_signal_emit (shell_view, signals[EXECUTE_SEARCH], 0);
}
/**
* e_shell_view_update_actions:
* @shell_view: an #EShellView
*
* Emits the #EShellView::update-actions signal.
*
* #EShellView subclasses should implement the
* <structfield>update_actions</structfield> method in #EShellViewClass
* to update the various #GtkAction<!-- -->s based on the current
* #EShellSidebar and #EShellContent selections. The
* #EShellView::update-actions signal is typically emitted just before
* showing a popup menu or just after the user selects an item in the
* shell view.
**/
void
e_shell_view_update_actions (EShellView *shell_view)
{
g_return_if_fail (E_IS_SHELL_VIEW (shell_view));
g_signal_emit (shell_view, signals[UPDATE_ACTIONS], 0);
}
/**
* e_shell_view_show_popup_menu:
* @shell_view: an #EShellView
* @widget_path: path in the UI definition
* @event: a #GdkEventButton
*
* Displays a context-sensitive (or "popup") menu that is described in
* the UI definition loaded into @shell_view<!-- -->'s user interface
* manager. The menu will be shown at the current mouse cursor position.
*
* The #EShellView::update-actions signal is emitted just prior to
* showing the menu to give @shell_view and any plugins that extend
* @shell_view a chance to update the menu's actions.
**/
void
e_shell_view_show_popup_menu (EShellView *shell_view,
const gchar *widget_path,
GdkEventButton *event)
{
EShellWindow *shell_window;
GtkWidget *menu;
g_return_if_fail (E_IS_SHELL_VIEW (shell_view));
e_shell_view_update_actions (shell_view);
shell_window = e_shell_view_get_shell_window (shell_view);
menu = e_shell_window_get_managed_widget (shell_window, widget_path);
g_return_if_fail (GTK_IS_MENU (menu));
if (event != NULL)
gtk_menu_popup (
GTK_MENU (menu), NULL, NULL, NULL, NULL,
event->button, event->time);
else
gtk_menu_popup (
GTK_MENU (menu), NULL, NULL, NULL, NULL,
0, gtk_get_current_event_time ());
}
/**
* e_shell_view_new_view_instance:
* @shell_view: an #EShellView
* @instance_id: a name for the #GalViewInstance
*
* Creates a new #GalViewInstance and configures it to keep
* @shell_view<!-- -->'s #EShellView:view-id property up-to-date.
*
* Returns: a new #GalViewInstance
**/
GalViewInstance *
e_shell_view_new_view_instance (EShellView *shell_view,
const gchar *instance_id)
{
EShellViewClass *class;
GalViewCollection *view_collection;
GalViewInstance *view_instance;
g_return_val_if_fail (E_IS_SHELL_VIEW (shell_view), NULL);
class = E_SHELL_VIEW_GET_CLASS (shell_view);
view_collection = class->view_collection;
view_instance = gal_view_instance_new (view_collection, instance_id);
g_signal_connect_swapped (
view_instance, "changed",
G_CALLBACK (shell_view_update_view_id), shell_view);
return view_instance;
}