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xed/xed/xed-panel.c

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/*
* xed-panel.c
* This file is part of xed
*
* Copyright (C) 2005 - Paolo Maggi
*
* 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., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
/*
* Modified by the xed Team, 2005. See the AUTHORS file for a
* list of people on the xed Team.
* See the ChangeLog files for a list of changes.
*
* $Id$
*/
#include "xed-panel.h"
#include <glib/gi18n.h>
#include <gtk/gtk.h>
#include <gdk/gdk.h>
#include <gdk/gdkkeysyms.h>
#include "xed-close-button.h"
#include "xed-window.h"
#include "xed-debug.h"
#define PANEL_ITEM_KEY "XedPanelItemKey"
#define XED_PANEL_GET_PRIVATE(object)(G_TYPE_INSTANCE_GET_PRIVATE ((object), XED_TYPE_PANEL, XedPanelPrivate))
struct _XedPanelPrivate
{
GtkOrientation orientation;
GtkWidget *main_box;
GtkWidget *notebook;
};
typedef struct _XedPanelItem XedPanelItem;
struct _XedPanelItem
{
gchar *name;
GtkWidget *icon;
};
/* Properties */
enum
{
PROP_0,
PROP_ORIENTATION
};
/* Signals */
enum
{
ITEM_ADDED,
ITEM_REMOVED,
CLOSE,
FOCUS_DOCUMENT,
LAST_SIGNAL
};
static guint signals[LAST_SIGNAL] = { 0 };
static GObject *xed_panel_constructor (GType type,
guint n_construct_properties,
GObjectConstructParam *construct_properties);
G_DEFINE_TYPE (XedPanel, xed_panel, GTK_TYPE_BIN)
static void
xed_panel_finalize (GObject *obj)
{
if (G_OBJECT_CLASS (xed_panel_parent_class)->finalize)
{
(*G_OBJECT_CLASS (xed_panel_parent_class)->finalize) (obj);
}
}
static void
xed_panel_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
XedPanel *panel = XED_PANEL (object);
switch (prop_id)
{
case PROP_ORIENTATION:
g_value_set_enum(value, panel->priv->orientation);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
xed_panel_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
XedPanel *panel = XED_PANEL (object);
switch (prop_id)
{
case PROP_ORIENTATION:
panel->priv->orientation = g_value_get_enum (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
xed_panel_close (XedPanel *panel)
{
gtk_widget_hide (GTK_WIDGET (panel));
}
static void
xed_panel_focus_document (XedPanel *panel)
{
GtkWidget *toplevel = gtk_widget_get_toplevel (GTK_WIDGET (panel));
if (gtk_widget_is_toplevel (toplevel) && XED_IS_WINDOW (toplevel))
{
XedView *view;
view = xed_window_get_active_view (XED_WINDOW (toplevel));
if (view != NULL)
{
gtk_widget_grab_focus (GTK_WIDGET (view));
}
}
}
static void
xed_panel_get_size (GtkWidget *widget,
GtkOrientation orientation,
gint *minimum,
gint *natural)
{
GtkBin *bin = GTK_BIN (widget);
GtkWidget *child;
if (minimum)
{
*minimum = 0;
}
if (natural)
{
*natural = 0;
}
child = gtk_bin_get_child (bin);
if (child && gtk_widget_get_visible (child))
{
if (orientation == GTK_ORIENTATION_HORIZONTAL)
{
gtk_widget_get_preferred_width (child, minimum, natural);
}
else
{
gtk_widget_get_preferred_height (child, minimum, natural);
}
}
}
static void
xed_panel_get_preferred_width (GtkWidget *widget,
gint *minimum,
gint *natural)
{
xed_panel_get_size (widget, GTK_ORIENTATION_HORIZONTAL, minimum, natural);
}
static void
xed_panel_get_preferred_height (GtkWidget *widget,
gint *minimum,
gint *natural)
{
xed_panel_get_size (widget, GTK_ORIENTATION_VERTICAL, minimum, natural);
}
static void
xed_panel_size_allocate (GtkWidget *widget,
GtkAllocation *allocation)
{
GtkBin *bin = GTK_BIN (widget);
GtkWidget *child;
GTK_WIDGET_CLASS (xed_panel_parent_class)->size_allocate (widget, allocation);
child = gtk_bin_get_child (bin);
if (child && gtk_widget_get_visible (child))
{
gtk_widget_size_allocate (child, allocation);
}
}
static void
xed_panel_grab_focus (GtkWidget *w)
{
gint n;
GtkWidget *tab;
XedPanel *panel = XED_PANEL (w);
n = gtk_notebook_get_current_page (GTK_NOTEBOOK (panel->priv->notebook));
if (n == -1)
{
return;
}
tab = gtk_notebook_get_nth_page (GTK_NOTEBOOK (panel->priv->notebook), n);
g_return_if_fail (tab != NULL);
gtk_widget_grab_focus (tab);
}
static void
xed_panel_class_init (XedPanelClass *klass)
{
GtkBindingSet *binding_set;
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
g_type_class_add_private (klass, sizeof (XedPanelPrivate));
object_class->constructor = xed_panel_constructor;
object_class->finalize = xed_panel_finalize;
object_class->get_property = xed_panel_get_property;
object_class->set_property = xed_panel_set_property;
widget_class->get_preferred_width = xed_panel_get_preferred_width;
widget_class->get_preferred_height = xed_panel_get_preferred_height;
widget_class->size_allocate = xed_panel_size_allocate;
widget_class->grab_focus = xed_panel_grab_focus;
klass->close = xed_panel_close;
klass->focus_document = xed_panel_focus_document;
g_object_class_install_property (object_class,
PROP_ORIENTATION,
g_param_spec_enum ("orientation",
"Panel Orientation",
"The panel's orientation",
GTK_TYPE_ORIENTATION,
GTK_ORIENTATION_VERTICAL,
G_PARAM_READWRITE |
G_PARAM_CONSTRUCT_ONLY |
G_PARAM_STATIC_STRINGS));
signals[ITEM_ADDED] =
g_signal_new ("item_added",
G_OBJECT_CLASS_TYPE (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (XedPanelClass, item_added),
NULL, NULL,
g_cclosure_marshal_VOID__OBJECT,
G_TYPE_NONE,
1,
GTK_TYPE_WIDGET);
signals[ITEM_REMOVED] =
g_signal_new ("item_removed",
G_OBJECT_CLASS_TYPE (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (XedPanelClass, item_removed),
NULL, NULL,
g_cclosure_marshal_VOID__OBJECT,
G_TYPE_NONE,
1,
GTK_TYPE_WIDGET);
/* Keybinding signals */
signals[CLOSE] =
g_signal_new ("close",
G_OBJECT_CLASS_TYPE (klass),
G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
G_STRUCT_OFFSET (XedPanelClass, close),
NULL, NULL,
g_cclosure_marshal_VOID__VOID,
G_TYPE_NONE, 0);
signals[FOCUS_DOCUMENT] =
g_signal_new ("focus_document",
G_OBJECT_CLASS_TYPE (klass),
G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
G_STRUCT_OFFSET (XedPanelClass, focus_document),
NULL, NULL,
g_cclosure_marshal_VOID__VOID,
G_TYPE_NONE, 0);
binding_set = gtk_binding_set_by_class (klass);
gtk_binding_entry_add_signal (binding_set,
GDK_KEY_Escape,
0,
"close",
0);
gtk_binding_entry_add_signal (binding_set,
GDK_KEY_Return,
GDK_CONTROL_MASK,
"focus_document",
0);
}
static void
xed_panel_init (XedPanel *panel)
{
panel->priv = XED_PANEL_GET_PRIVATE (panel);
panel->priv->main_box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
gtk_widget_show (panel->priv->main_box);
gtk_container_add (GTK_CONTAINER (panel), panel->priv->main_box);
}
static void
build_notebook_for_panel (XedPanel *panel)
{
/* Create the panel notebook */
panel->priv->notebook = gtk_notebook_new ();
gtk_notebook_set_scrollable (GTK_NOTEBOOK (panel->priv->notebook), TRUE);
gtk_notebook_popup_enable (GTK_NOTEBOOK (panel->priv->notebook));
gtk_notebook_set_show_tabs (GTK_NOTEBOOK (panel->priv->notebook), FALSE);
gtk_notebook_set_show_border (GTK_NOTEBOOK (panel->priv->notebook), FALSE);
gtk_widget_show (GTK_WIDGET (panel->priv->notebook));
}
static GObject *
xed_panel_constructor (GType type,
guint n_construct_properties,
GObjectConstructParam *construct_properties)
{
/* Invoke parent constructor. */
XedPanelClass *klass = XED_PANEL_CLASS (g_type_class_peek (XED_TYPE_PANEL));
GObjectClass *parent_class = G_OBJECT_CLASS (g_type_class_peek_parent (klass));
GObject *obj = parent_class->constructor (type, n_construct_properties, construct_properties);
/* Build the panel, now that we know the orientation (_init has been called previously) */
XedPanel *panel = XED_PANEL (obj);
build_notebook_for_panel (panel);
gtk_box_pack_start (GTK_BOX (panel->priv->main_box), panel->priv->notebook, TRUE, TRUE, 0);
gtk_style_context_add_class (gtk_widget_get_style_context (GTK_WIDGET (panel)), "xed-panel");
if (panel->priv->orientation == GTK_ORIENTATION_VERTICAL)
{
gtk_style_context_add_class (gtk_widget_get_style_context (GTK_WIDGET (panel)), "side");
}
else
{
gtk_style_context_add_class (gtk_widget_get_style_context (GTK_WIDGET (panel)), "bottom");
}
return obj;
}
/**
* xed_panel_new:
* @orientation: a #GtkOrientation
*
* Creates a new #XedPanel with the given @orientation. You shouldn't create
* a new panel use xed_window_get_side_panel() or xed_window_get_bottom_panel()
* instead.
*
* Returns: a new #XedPanel object.
*/
GtkWidget *
xed_panel_new (GtkOrientation orientation)
{
return GTK_WIDGET (g_object_new (XED_TYPE_PANEL, "orientation", orientation, NULL));
}
static GtkWidget *
build_tab_label (XedPanel *panel,
GtkWidget *item,
const gchar *name,
GtkWidget *icon)
{
GtkWidget *hbox;
GtkWidget *label_hbox;
GtkWidget *label_ebox;
GtkWidget *label;
/* set hbox spacing and label padding (see below) so that there's an
* equal amount of space around the label */
hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 4);
label_ebox = gtk_event_box_new ();
gtk_event_box_set_visible_window (GTK_EVENT_BOX (label_ebox), FALSE);
gtk_box_pack_start (GTK_BOX (hbox), label_ebox, TRUE, TRUE, 0);
label_hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 4);
gtk_container_add (GTK_CONTAINER (label_ebox), label_hbox);
/* setup icon */
gtk_box_pack_start (GTK_BOX (label_hbox), icon, FALSE, FALSE, 0);
/* setup label */
label = gtk_label_new (name);
gtk_widget_set_halign (label, GTK_ALIGN_START);
gtk_widget_set_margin_start (label, 0);
gtk_widget_set_margin_end (label, 0);
gtk_widget_set_margin_top (label, 0);
gtk_widget_set_margin_bottom (label, 0);
gtk_box_pack_start (GTK_BOX (label_hbox), label, TRUE, TRUE, 0);
gtk_widget_set_tooltip_text (label_ebox, name);
gtk_widget_show_all (hbox);
if (panel->priv->orientation == GTK_ORIENTATION_VERTICAL)
{
gtk_widget_hide(label);
}
g_object_set_data (G_OBJECT (item), "label", label);
g_object_set_data (G_OBJECT (item), "hbox", hbox);
return hbox;
}
static void
update_tabs_visibility (XedPanel *panel)
{
gboolean show_tabs;
show_tabs = (gtk_notebook_get_n_pages (GTK_NOTEBOOK (panel->priv->notebook)) > 1);
gtk_notebook_set_show_tabs (GTK_NOTEBOOK (panel->priv->notebook), show_tabs);
}
/**
* xed_panel_add_item:
* @panel: a #XedPanel
* @item: the #GtkWidget to add to the @panel
* @name: the name to be shown in the @panel
* @icon_name: the name of the icon to be shown in the @panel
*
* Adds a new item to the @panel.
*/
void
xed_panel_add_item (XedPanel *panel,
GtkWidget *item,
const gchar *name,
const gchar *icon_name)
{
XedPanelItem *data;
GtkWidget *tab_label;
GtkWidget *menu_label;
g_return_if_fail (XED_IS_PANEL (panel));
g_return_if_fail (GTK_IS_WIDGET (item));
g_return_if_fail (name != NULL);
data = g_new (XedPanelItem, 1);
data->name = g_strdup (name);
if (icon_name)
{
data->icon = gtk_image_new_from_icon_name (icon_name, GTK_ICON_SIZE_MENU);
}
else
{
data->icon = gtk_image_new_from_icon_name ("text-x-generic", GTK_ICON_SIZE_MENU);
}
g_object_set_data (G_OBJECT (item), PANEL_ITEM_KEY, data);
tab_label = build_tab_label (panel, item, data->name, data->icon);
menu_label = gtk_label_new (name);
gtk_widget_set_halign (menu_label, GTK_ALIGN_START);
if (!gtk_widget_get_visible (item))
{
gtk_widget_show (item);
}
gtk_notebook_append_page_menu (GTK_NOTEBOOK (panel->priv->notebook), item, tab_label, menu_label);
update_tabs_visibility (panel);
g_signal_emit (G_OBJECT (panel), signals[ITEM_ADDED], 0, item);
}
/**
* xed_panel_remove_item:
* @panel: a #XedPanel
* @item: the item to be removed from the panel
*
* Removes the widget @item from the panel if it is in the @panel and returns
* %TRUE if there was not any problem.
*
* Returns: %TRUE if it was well removed.
*/
gboolean
xed_panel_remove_item (XedPanel *panel,
GtkWidget *item)
{
XedPanelItem *data;
gint page_num;
g_return_val_if_fail (XED_IS_PANEL (panel), FALSE);
g_return_val_if_fail (GTK_IS_WIDGET (item), FALSE);
page_num = gtk_notebook_page_num (GTK_NOTEBOOK (panel->priv->notebook), item);
if (page_num == -1)
{
return FALSE;
}
data = (XedPanelItem *)g_object_get_data (G_OBJECT (item), PANEL_ITEM_KEY);
g_return_val_if_fail (data != NULL, FALSE);
g_free (data->name);
g_free (data);
g_object_set_data (G_OBJECT (item), PANEL_ITEM_KEY, NULL);
/* ref the item to keep it alive during signal emission */
g_object_ref (G_OBJECT (item));
gtk_notebook_remove_page (GTK_NOTEBOOK (panel->priv->notebook), page_num);
update_tabs_visibility (panel);
g_signal_emit (G_OBJECT (panel), signals[ITEM_REMOVED], 0, item);
g_object_unref (G_OBJECT (item));
return TRUE;
}
/**
* xed_panel_activate_item:
* @panel: a #XedPanel
* @item: the item to be activated
*
* Switches to the page that contains @item.
*
* Returns: %TRUE if it was activated
*/
gboolean
xed_panel_activate_item (XedPanel *panel,
GtkWidget *item)
{
gint page_num;
g_return_val_if_fail (XED_IS_PANEL (panel), FALSE);
g_return_val_if_fail (GTK_IS_WIDGET (item), FALSE);
page_num = gtk_notebook_page_num (GTK_NOTEBOOK (panel->priv->notebook), item);
if (page_num == -1)
{
return FALSE;
}
gtk_notebook_set_current_page (GTK_NOTEBOOK (panel->priv->notebook), page_num);
return TRUE;
}
/**
* xed_panel_item_is_active:
* @panel: a #XedPanel
* @item: a #GtkWidget
*
* Returns whether @item is the active widget in @panel
*
* Returns: %TRUE if @item is the active widget
*/
gboolean
xed_panel_item_is_active (XedPanel *panel,
GtkWidget *item)
{
gint cur_page;
gint page_num;
g_return_val_if_fail (XED_IS_PANEL (panel), FALSE);
g_return_val_if_fail (GTK_IS_WIDGET (item), FALSE);
page_num = gtk_notebook_page_num (GTK_NOTEBOOK (panel->priv->notebook), item);
if (page_num == -1)
{
return FALSE;
}
cur_page = gtk_notebook_get_current_page (GTK_NOTEBOOK (panel->priv->notebook));
return (page_num == cur_page);
}
/**
* xed_panel_get_orientation:
* @panel: a #XedPanel
*
* Gets the orientation of the @panel.
*
* Returns: the #GtkOrientation of #XedPanel
*/
GtkOrientation
xed_panel_get_orientation (XedPanel *panel)
{
g_return_val_if_fail (XED_IS_PANEL (panel), GTK_ORIENTATION_VERTICAL);
return panel->priv->orientation;
}
/**
* xed_panel_get_n_items:
* @panel: a #XedPanel
*
* Gets the number of items in a @panel.
*
* Returns: the number of items contained in #XedPanel
*/
gint
xed_panel_get_n_items (XedPanel *panel)
{
g_return_val_if_fail (XED_IS_PANEL (panel), -1);
return gtk_notebook_get_n_pages (GTK_NOTEBOOK (panel->priv->notebook));
}
gint
_xed_panel_get_active_item_id (XedPanel *panel)
{
gint cur_page;
GtkWidget *item;
XedPanelItem *data;
g_return_val_if_fail (XED_IS_PANEL (panel), 0);
cur_page = gtk_notebook_get_current_page (GTK_NOTEBOOK (panel->priv->notebook));
if (cur_page == -1)
{
return 0;
}
item = gtk_notebook_get_nth_page (GTK_NOTEBOOK (panel->priv->notebook), cur_page);
/* FIXME: for now we use as the hash of the name as id.
* However the name is not guaranteed to be unique and
* it is a translated string, so it's subotimal, but should
* be good enough for now since we don't want to add an
* ad hoc id argument.
*/
data = (XedPanelItem *)g_object_get_data (G_OBJECT (item), PANEL_ITEM_KEY);
g_return_val_if_fail (data != NULL, 0);
return g_str_hash (data->name);
}
void
_xed_panel_set_active_item_by_id (XedPanel *panel,
gint id)
{
gint n, i;
g_return_if_fail (XED_IS_PANEL (panel));
if (id == 0)
{
return;
}
n = gtk_notebook_get_n_pages (GTK_NOTEBOOK (panel->priv->notebook));
for (i = 0; i < n; i++)
{
GtkWidget *item;
XedPanelItem *data;
item = gtk_notebook_get_nth_page (GTK_NOTEBOOK (panel->priv->notebook), i);
data = (XedPanelItem *)g_object_get_data (G_OBJECT (item), PANEL_ITEM_KEY);
g_return_if_fail (data != NULL);
if (g_str_hash (data->name) == id)
{
gtk_notebook_set_current_page (GTK_NOTEBOOK (panel->priv->notebook), i);
return;
}
}
}
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