+/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */

+/* caja-pathbar.c

+ * Copyright (C) 2004 Red Hat, Inc., Jonathan Blandford <[email protected]>

+ *

+ * This library is free software; you can redistribute it and/or

+ * modify it under the terms of the GNU Library General Public

+ * License as published by the Free Software Foundation; either

+ * version 2 of the License, or (at your option) any later version.

+ *

+ * This library 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

+ * Library General Public License for more details.

+ *

+ * You should have received a copy of the GNU Library General Public

+ * License along with this library; if not, write to the

+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,

+ * Boston, MA 02111-1307, USA.

+ */

+

+#include <config.h>

+#include <string.h>

+#include <eel/eel-debug.h>

+#include <eel/eel-gtk-extensions.h>

+#include <eel/eel-glib-extensions.h>

+#include <eel/eel-preferences.h>

+#include <eel/eel-string.h>

+#include <gtk/gtk.h>

+#include <glib/gi18n.h>

+#include <gio/gio.h>

+#include <libcaja-private/caja-file.h>

+#include <libcaja-private/caja-file-utilities.h>

+#include <libcaja-private/caja-global-preferences.h>

+#include <libcaja-private/caja-icon-names.h>

+#include <libcaja-private/caja-trash-monitor.h>

+#include <libcaja-private/caja-marshal.h>

+#include <libcaja-private/caja-dnd.h>

+#include <libcaja-private/caja-icon-dnd.h>

+#include "caja-pathbar.h"

+#include "caja-window.h"

+#include "caja-window-private.h"

+#include "caja-window-slot.h"

+

+enum

+{

+ PATH_CLICKED,

+ PATH_SET,

+ LAST_SIGNAL

+};

+

+typedef enum

+{

+ NORMAL_BUTTON,

+ ROOT_BUTTON,

+ HOME_BUTTON,

+ DESKTOP_BUTTON,

+ MOUNT_BUTTON,

+ DEFAULT_LOCATION_BUTTON,

+} ButtonType;

+

+#define BUTTON_DATA(x) ((ButtonData *)(x))

+

+#define SCROLL_TIMEOUT 150

+#define INITIAL_SCROLL_TIMEOUT 300

+

+static guint path_bar_signals [LAST_SIGNAL] = { 0 };

+

+static gboolean desktop_is_home;

+

+#define CAJA_PATH_BAR_ICON_SIZE 16

+

+typedef struct _ButtonData ButtonData;

+

+struct _ButtonData

+{

+ GtkWidget *button;

+ ButtonType type;

+ char *dir_name;

+ GFile *path;

+ CajaFile *file;

+ unsigned int file_changed_signal_id;

+

+ /* custom icon */

+ GdkPixbuf *custom_icon;

+

+ /* flag to indicate its the base folder in the URI */

+ gboolean is_base_dir;

+

+ GtkWidget *image;

+ GtkWidget *label;

+ guint ignore_changes : 1;

+ guint file_is_hidden : 1;

+ guint fake_root : 1;

+

+ CajaDragSlotProxyInfo drag_info;

+};

+

+G_DEFINE_TYPE (CajaPathBar,

+ caja_path_bar,

+ GTK_TYPE_CONTAINER);

+

+static void caja_path_bar_finalize (GObject *object);

+static void caja_path_bar_dispose (GObject *object);

+static void caja_path_bar_size_request (GtkWidget *widget,

+ GtkRequisition *requisition);

+static void caja_path_bar_unmap (GtkWidget *widget);

+static void caja_path_bar_size_allocate (GtkWidget *widget,

+ GtkAllocation *allocation);

+static void caja_path_bar_add (GtkContainer *container,

+ GtkWidget *widget);

+static void caja_path_bar_remove (GtkContainer *container,

+ GtkWidget *widget);

+static void caja_path_bar_forall (GtkContainer *container,

+ gboolean include_internals,

+ GtkCallback callback,

+ gpointer callback_data);

+static void caja_path_bar_scroll_up (CajaPathBar *path_bar);

+static void caja_path_bar_scroll_down (CajaPathBar *path_bar);

+static gboolean caja_path_bar_scroll (GtkWidget *path_bar,

+ GdkEventScroll *scroll);

+static void caja_path_bar_stop_scrolling (CajaPathBar *path_bar);

+static gboolean caja_path_bar_slider_button_press (GtkWidget *widget,

+ GdkEventButton *event,

+ CajaPathBar *path_bar);

+static gboolean caja_path_bar_slider_button_release (GtkWidget *widget,

+ GdkEventButton *event,

+ CajaPathBar *path_bar);

+static void caja_path_bar_grab_notify (GtkWidget *widget,

+ gboolean was_grabbed);

+static void caja_path_bar_state_changed (GtkWidget *widget,

+ GtkStateType previous_state);

+static void caja_path_bar_style_set (GtkWidget *widget,

+ GtkStyle *previous_style);

+static void caja_path_bar_screen_changed (GtkWidget *widget,

+ GdkScreen *previous_screen);

+static void caja_path_bar_check_icon_theme (CajaPathBar *path_bar);

+static void caja_path_bar_update_button_appearance (ButtonData *button_data);

+static void caja_path_bar_update_button_state (ButtonData *button_data,

+ gboolean current_dir);

+static gboolean caja_path_bar_update_path (CajaPathBar *path_bar,

+ GFile *file_path,

+ gboolean emit_signal);

+

+static GtkWidget *

+get_slider_button (CajaPathBar *path_bar,

+ GtkArrowType arrow_type)

+{

+ GtkWidget *button;

+

+ gtk_widget_push_composite_child ();

+

+ button = gtk_button_new ();

+ gtk_button_set_focus_on_click (GTK_BUTTON (button), FALSE);

+ gtk_container_add (GTK_CONTAINER (button), gtk_arrow_new (arrow_type, GTK_SHADOW_OUT));

+ gtk_container_add (GTK_CONTAINER (path_bar), button);

+ gtk_widget_show_all (button);

+

+ gtk_widget_pop_composite_child ();

+

+ return button;

+}

+

+static void

+update_button_types (CajaPathBar *path_bar)

+{

+ GList *list;

+ GFile *path = NULL;

+

+ for (list = path_bar->button_list; list; list = list->next)

+ {

+ ButtonData *button_data;

+ button_data = BUTTON_DATA (list->data);

+ if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (button_data->button)))

+ {

+ path = button_data->path;

+ break;

+ }

+ }

+ if (path != NULL)

+ {

+ caja_path_bar_update_path (path_bar, path, TRUE);

+ }

+}

+

+

+static void

+desktop_location_changed_callback (gpointer user_data)

+{

+ CajaPathBar *path_bar;

+

+ path_bar = CAJA_PATH_BAR (user_data);

+

+ g_object_unref (path_bar->desktop_path);

+ g_object_unref (path_bar->home_path);

+ path_bar->desktop_path = caja_get_desktop_location ();

+ path_bar->home_path = g_file_new_for_path (g_get_home_dir ());

+ desktop_is_home = g_file_equal (path_bar->home_path, path_bar->desktop_path);

+

+ update_button_types (path_bar);

+}

+

+static void

+trash_state_changed_cb (CajaTrashMonitor *monitor,

+ gboolean state,

+ CajaPathBar *path_bar)

+{

+ GFile *file;

+ GList *list;

+

+ file = g_file_new_for_uri ("trash:///");

+ for (list = path_bar->button_list; list; list = list->next)

+ {

+ ButtonData *button_data;

+ button_data = BUTTON_DATA (list->data);

+ if (g_file_equal (file, button_data->path))

+ {

+ GIcon *icon;

+ CajaIconInfo *icon_info;

+ GdkPixbuf *pixbuf;

+

+ icon = caja_trash_monitor_get_icon ();

+ icon_info = caja_icon_info_lookup (icon, CAJA_PATH_BAR_ICON_SIZE);

+ pixbuf = caja_icon_info_get_pixbuf_at_size (icon_info, CAJA_PATH_BAR_ICON_SIZE);

+ gtk_image_set_from_pixbuf (GTK_IMAGE (button_data->image), pixbuf);

+ }

+ }

+ g_object_unref (file);

+}

+

+static gboolean

+slider_timeout (gpointer user_data)

+{

+ CajaPathBar *path_bar;

+

+ path_bar = CAJA_PATH_BAR (user_data);

+

+ path_bar->drag_slider_timeout = 0;

+

+ if (gtk_widget_get_visible (GTK_WIDGET (path_bar)))

+ {

+ if (path_bar->drag_slider_timeout_for_up_button)

+ {

+ caja_path_bar_scroll_up (path_bar);

+ }

+ else

+ {

+ caja_path_bar_scroll_down (path_bar);

+ }

+ }

+

+ return FALSE;

+}

+

+static void

+caja_path_bar_slider_drag_motion (GtkWidget *widget,

+ GdkDragContext *context,

+ int x,

+ int y,

+ unsigned int time,

+ gpointer user_data)

+{

+ CajaPathBar *path_bar;

+ GtkSettings *settings;

+ unsigned int timeout;

+

+ path_bar = CAJA_PATH_BAR (user_data);

+

+ if (path_bar->drag_slider_timeout == 0)

+ {

+ settings = gtk_widget_get_settings (widget);

+

+ g_object_get (settings, "gtk-timeout-expand", &timeout, NULL);

+ path_bar->drag_slider_timeout =

+ g_timeout_add (timeout,

+ slider_timeout,

+ path_bar);

+

+ path_bar->drag_slider_timeout_for_up_button =

+ widget == path_bar->up_slider_button;

+ }

+}

+

+static void

+caja_path_bar_slider_drag_leave (GtkWidget *widget,

+ GdkDragContext *context,

+ unsigned int time,

+ gpointer user_data)

+{

+ CajaPathBar *path_bar;

+

+ path_bar = CAJA_PATH_BAR (user_data);

+

+ if (path_bar->drag_slider_timeout != 0)

+ {

+ g_source_remove (path_bar->drag_slider_timeout);

+ path_bar->drag_slider_timeout = 0;

+ }

+}

+

+static void

+caja_path_bar_init (CajaPathBar *path_bar)

+{

+ char *p;

+

+ gtk_widget_set_has_window (GTK_WIDGET (path_bar), FALSE);

+ gtk_widget_set_redraw_on_allocate (GTK_WIDGET (path_bar), FALSE);

+

+ path_bar->spacing = 3;

+ path_bar->up_slider_button = get_slider_button (path_bar, GTK_ARROW_LEFT);

+ path_bar->down_slider_button = get_slider_button (path_bar, GTK_ARROW_RIGHT);

+ path_bar->icon_size = CAJA_PATH_BAR_ICON_SIZE;

+

+ p = caja_get_desktop_directory ();

+ path_bar->desktop_path = g_file_new_for_path (p);

+ g_free (p);

+ path_bar->home_path = g_file_new_for_path (g_get_home_dir ());

+ path_bar->root_path = g_file_new_for_path ("/");

+ desktop_is_home = g_file_equal (path_bar->home_path, path_bar->desktop_path);

+

+ eel_preferences_add_callback_while_alive (CAJA_PREFERENCES_DESKTOP_IS_HOME_DIR,

+ desktop_location_changed_callback,

+ path_bar,

+ G_OBJECT (path_bar));

+

+ g_signal_connect_swapped (path_bar->up_slider_button, "clicked", G_CALLBACK (caja_path_bar_scroll_up), path_bar);

+ g_signal_connect_swapped (path_bar->down_slider_button, "clicked", G_CALLBACK (caja_path_bar_scroll_down), path_bar);

+

+ g_signal_connect (path_bar->up_slider_button, "button_press_event", G_CALLBACK (caja_path_bar_slider_button_press), path_bar);

+ g_signal_connect (path_bar->up_slider_button, "button_release_event", G_CALLBACK (caja_path_bar_slider_button_release), path_bar);

+ g_signal_connect (path_bar->down_slider_button, "button_press_event", G_CALLBACK (caja_path_bar_slider_button_press), path_bar);

+ g_signal_connect (path_bar->down_slider_button, "button_release_event", G_CALLBACK (caja_path_bar_slider_button_release), path_bar);

+

+ gtk_drag_dest_set (GTK_WIDGET (path_bar->up_slider_button),

+ 0, NULL, 0, 0);

+ gtk_drag_dest_set_track_motion (GTK_WIDGET (path_bar->up_slider_button), TRUE);

+ g_signal_connect (path_bar->up_slider_button,

+ "drag-motion",

+ G_CALLBACK (caja_path_bar_slider_drag_motion),

+ path_bar);

+ g_signal_connect (path_bar->up_slider_button,

+ "drag-leave",

+ G_CALLBACK (caja_path_bar_slider_drag_leave),

+ path_bar);

+

+ gtk_drag_dest_set (GTK_WIDGET (path_bar->down_slider_button),

+ 0, NULL, 0, 0);

+ gtk_drag_dest_set_track_motion (GTK_WIDGET (path_bar->up_slider_button), TRUE);

+ g_signal_connect (path_bar->down_slider_button,

+ "drag-motion",

+ G_CALLBACK (caja_path_bar_slider_drag_motion),

+ path_bar);

+ g_signal_connect (path_bar->down_slider_button,

+ "drag-leave",

+ G_CALLBACK (caja_path_bar_slider_drag_leave),

+ path_bar);

+

+ g_signal_connect (caja_trash_monitor_get (),

+ "trash_state_changed",

+ G_CALLBACK (trash_state_changed_cb),

+ path_bar);

+}

+

+static void

+caja_path_bar_class_init (CajaPathBarClass *path_bar_class)

+{

+ GObjectClass *gobject_class;

+ GtkObjectClass *object_class;

+ GtkWidgetClass *widget_class;

+ GtkContainerClass *container_class;

+

+ gobject_class = (GObjectClass *) path_bar_class;

+ object_class = (GtkObjectClass *) path_bar_class;

+ widget_class = (GtkWidgetClass *) path_bar_class;

+ container_class = (GtkContainerClass *) path_bar_class;

+

+ gobject_class->finalize = caja_path_bar_finalize;

+ gobject_class->dispose = caja_path_bar_dispose;

+

+ widget_class->size_request = caja_path_bar_size_request;

+ widget_class->unmap = caja_path_bar_unmap;

+ widget_class->size_allocate = caja_path_bar_size_allocate;

+ widget_class->style_set = caja_path_bar_style_set;

+ widget_class->screen_changed = caja_path_bar_screen_changed;

+ widget_class->grab_notify = caja_path_bar_grab_notify;

+ widget_class->state_changed = caja_path_bar_state_changed;

+ widget_class->scroll_event = caja_path_bar_scroll;

+

+ container_class->add = caja_path_bar_add;

+ container_class->forall = caja_path_bar_forall;

+ container_class->remove = caja_path_bar_remove;

+

+ path_bar_signals [PATH_CLICKED] =

+ g_signal_new ("path-clicked",

+ G_OBJECT_CLASS_TYPE (object_class),

+ G_SIGNAL_RUN_FIRST,

+ G_STRUCT_OFFSET (CajaPathBarClass, path_clicked),

+ NULL, NULL,

+ g_cclosure_marshal_VOID__OBJECT,

+ G_TYPE_NONE, 1,

+ G_TYPE_FILE);

+ path_bar_signals [PATH_SET] =

+ g_signal_new ("path-set",

+ G_OBJECT_CLASS_TYPE (object_class),

+ G_SIGNAL_RUN_FIRST,

+ G_STRUCT_OFFSET (CajaPathBarClass, path_set),

+ NULL, NULL,

+ g_cclosure_marshal_VOID__OBJECT,

+ G_TYPE_NONE, 1,

+ G_TYPE_FILE);

+}

+

+

+static void

+caja_path_bar_finalize (GObject *object)

+{

+ CajaPathBar *path_bar;

+

+ path_bar = CAJA_PATH_BAR (object);

+

+ caja_path_bar_stop_scrolling (path_bar);

+

+ if (path_bar->drag_slider_timeout != 0)

+ {

+ g_source_remove (path_bar->drag_slider_timeout);

+ path_bar->drag_slider_timeout = 0;

+ }

+

+ g_list_free (path_bar->button_list);

+ if (path_bar->root_path)

+ {

+ g_object_unref (path_bar->root_path);

+ path_bar->root_path = NULL;

+ }

+ if (path_bar->home_path)

+ {

+ g_object_unref (path_bar->home_path);

+ path_bar->home_path = NULL;

+ }

+ if (path_bar->desktop_path)

+ {

+ g_object_unref (path_bar->desktop_path);

+ path_bar->desktop_path = NULL;

+ }

+

+ g_signal_handlers_disconnect_by_func (caja_trash_monitor_get (),

+ trash_state_changed_cb, path_bar);

+

+ G_OBJECT_CLASS (caja_path_bar_parent_class)->finalize (object);

+}

+

+/* Removes the settings signal handler. It's safe to call multiple times */

+static void

+remove_settings_signal (CajaPathBar *path_bar,

+ GdkScreen *screen)

+{

+ if (path_bar->settings_signal_id)

+ {

+ GtkSettings *settings;

+

+ settings = gtk_settings_get_for_screen (screen);

+ g_signal_handler_disconnect (settings,

+ path_bar->settings_signal_id);

+ path_bar->settings_signal_id = 0;

+ }

+}

+

+static void

+caja_path_bar_dispose (GObject *object)

+{

+ remove_settings_signal (CAJA_PATH_BAR (object), gtk_widget_get_screen (GTK_WIDGET (object)));

+

+ G_OBJECT_CLASS (caja_path_bar_parent_class)->dispose (object);

+}

+

+/* Size requisition:

+ *

+ * Ideally, our size is determined by another widget, and we are just filling

+ * available space.

+ */

+static void

+caja_path_bar_size_request (GtkWidget *widget,

+ GtkRequisition *requisition)

+{

+ ButtonData *button_data;

+ CajaPathBar *path_bar;

+ GtkRequisition child_requisition;

+ GList *list;

+ guint border_width;

+

+ path_bar = CAJA_PATH_BAR (widget);

+

+ requisition->width = 0;

+ requisition->height = 0;

+

+ for (list = path_bar->button_list; list; list = list->next)

+ {

+ button_data = BUTTON_DATA (list->data);

+ gtk_widget_size_request (button_data->button, &child_requisition);

+ requisition->width = MAX (child_requisition.width, requisition->width);

+ requisition->height = MAX (child_requisition.height, requisition->height);

+ }

+

+ /* Add space for slider, if we have more than one path */

+ /* Theoretically, the slider could be bigger than the other button. But we're */

+ /* not going to worry about that now.*/

+

+ path_bar->slider_width = MIN(requisition->height * 2 / 3 + 5, requisition->height);

+ if (path_bar->button_list && path_bar->button_list->next != NULL)

+ {

+ requisition->width += (path_bar->spacing + path_bar->slider_width) * 2;

+ }

+

+ gtk_widget_size_request (path_bar->up_slider_button, &child_requisition);

+ gtk_widget_size_request (path_bar->down_slider_button, &child_requisition);

+

+ border_width = gtk_container_get_border_width (GTK_CONTAINER (widget));

+ requisition->width += border_width * 2;

+ requisition->height += border_width * 2;

+

+ gtk_widget_set_size_request (widget, requisition->width,

+ requisition->height);

+}

+

+static void

+caja_path_bar_update_slider_buttons (CajaPathBar *path_bar)

+{

+ if (path_bar->button_list)

+ {

+

+ GtkWidget *button;

+

+ button = BUTTON_DATA (path_bar->button_list->data)->button;

+ if (gtk_widget_get_child_visible (button))

+ {

+ gtk_widget_set_sensitive (path_bar->down_slider_button, FALSE);

+ }

+ else

+ {

+ gtk_widget_set_sensitive (path_bar->down_slider_button, TRUE);

+ }

+ button = BUTTON_DATA (g_list_last (path_bar->button_list)->data)->button;

+ if (gtk_widget_get_child_visible (button))

+ {

+ gtk_widget_set_sensitive (path_bar->up_slider_button, FALSE);

+ }

+ else

+ {

+ gtk_widget_set_sensitive (path_bar->up_slider_button, TRUE);

+ }

+ }

+}

+

+static void

+caja_path_bar_unmap (GtkWidget *widget)

+{

+ caja_path_bar_stop_scrolling (CAJA_PATH_BAR (widget));

+

+ GTK_WIDGET_CLASS (caja_path_bar_parent_class)->unmap (widget);

+}

+

+/* This is a tad complicated */

+static void

+caja_path_bar_size_allocate (GtkWidget *widget,

+ GtkAllocation *allocation)

+{

+ GtkWidget *child;

+ CajaPathBar *path_bar;

+ GtkTextDirection direction;

+ GtkAllocation child_allocation;

+ GList *list, *first_button;

+ gint width;

+ gint allocation_width;

+ gint border_width;

+ gboolean need_sliders;

+ gint up_slider_offset;

+ gint down_slider_offset;

+ GtkRequisition child_requisition;

+ GtkAllocation widget_allocation;

+

+ need_sliders = FALSE;

+ up_slider_offset = 0;

+ down_slider_offset = 0;

+ path_bar = CAJA_PATH_BAR (widget);

+

+ gtk_widget_set_allocation (widget, allocation);

+

+ /* No path is set so we don't have to allocate anything. */

+ if (path_bar->button_list == NULL)

+ {

+ return;

+ }

+ direction = gtk_widget_get_direction (widget);

+ border_width = (gint) gtk_container_get_border_width (GTK_CONTAINER (path_bar));

+ allocation_width = allocation->width - 2 * border_width;

+

+ /* First, we check to see if we need the scrollbars. */

+ if (path_bar->fake_root)

+ {

+ width = path_bar->spacing + path_bar->slider_width;

+ }

+ else

+ {

+ width = 0;

+ }

+

+ gtk_widget_get_child_requisition (BUTTON_DATA (path_bar->button_list->data)->button, &child_requisition);

+ width += child_requisition.width;

+

+ for (list = path_bar->button_list->next; list; list = list->next)

+ {

+ child = BUTTON_DATA (list->data)->button;

+ gtk_widget_get_child_requisition (child, &child_requisition);

+ width += child_requisition.width + path_bar->spacing;

+

+ if (list == path_bar->fake_root)

+ {

+ break;

+ }

+ }

+

+ if (width <= allocation_width)

+ {

+ if (path_bar->fake_root)

+ {

+ first_button = path_bar->fake_root;

+ }

+ else

+ {

+ first_button = g_list_last (path_bar->button_list);

+ }

+ }

+ else

+ {

+ gboolean reached_end;

+ gint slider_space;

+ reached_end = FALSE;

+ slider_space = 2 * (path_bar->spacing + path_bar->slider_width);

+

+ if (path_bar->first_scrolled_button)

+ {

+ first_button = path_bar->first_scrolled_button;

+ }

+ else

+ {

+ first_button = path_bar->button_list;

+ }

+

+ need_sliders = TRUE;

+ /* To see how much space we have, and how many buttons we can display.

+ * We start at the first button, count forward until hit the new

+ * button, then count backwards.

+ */

+ /* Count down the path chain towards the end. */

+ gtk_widget_get_child_requisition (BUTTON_DATA (first_button->data)->button, &child_requisition);

+ width = child_requisition.width;

+ list = first_button->prev;

+ while (list && !reached_end)

+ {

+ child = BUTTON_DATA (list->data)->button;

+ gtk_widget_get_child_requisition (child, &child_requisition);

+

+ if (width + child_requisition.width + path_bar->spacing + slider_space > allocation_width)

+ {

+ reached_end = TRUE;

+ }

+ else

+ {

+ if (list == path_bar->fake_root)

+ {

+ break;

+ }

+ else

+ {

+ width += child_requisition.width + path_bar->spacing;

+ }

+ }

+

+ list = list->prev;

+ }

+

+ /* Finally, we walk up, seeing how many of the previous buttons we can add*/

+

+ while (first_button->next && ! reached_end)

+ {

+ child = BUTTON_DATA (first_button->next->data)->button;

+ gtk_widget_get_child_requisition (child, &child_requisition);

+

+ if (width + child_requisition.width + path_bar->spacing + slider_space > allocation_width)

+ {

+ reached_end = TRUE;

+ }

+ else

+ {

+ width += child_requisition.width + path_bar->spacing;

+ if (first_button == path_bar->fake_root)

+ {

+ break;

+ }

+ first_button = first_button->next;

+ }

+ }

+ }

+

+ /* Now, we allocate space to the buttons */

+ child_allocation.y = allocation->y + border_width;

+ child_allocation.height = MAX (1, (gint) allocation->height - border_width * 2);

+

+ if (direction == GTK_TEXT_DIR_RTL)

+ {

+ child_allocation.x = allocation->x + allocation->width - border_width;

+ if (need_sliders || path_bar->fake_root)

+ {

+ child_allocation.x -= (path_bar->spacing + path_bar->slider_width);

+ up_slider_offset = allocation->width - border_width - path_bar->slider_width;

+ }

+ }

+ else

+ {

+ child_allocation.x = allocation->x + border_width;

+ if (need_sliders || path_bar->fake_root)

+ {

+ up_slider_offset = border_width;

+ child_allocation.x += (path_bar->spacing + path_bar->slider_width);

+ }

+ }

+

+ for (list = first_button; list; list = list->prev)

+ {

+ child = BUTTON_DATA (list->data)->button;

+ gtk_widget_get_child_requisition (child, &child_requisition);

+

+ gtk_widget_get_allocation (widget, &widget_allocation);

+

+ child_allocation.width = child_requisition.width;

+ if (direction == GTK_TEXT_DIR_RTL)

+ {

+ child_allocation.x -= child_allocation.width;

+ }

+ /* Check to see if we've don't have any more space to allocate buttons */

+ if (need_sliders && direction == GTK_TEXT_DIR_RTL)

+ {

+ if (child_allocation.x - path_bar->spacing - path_bar->slider_width < widget_allocation.x + border_width)

+ {

+ break;

+ }

+ }

+ else

+ {

+ if (need_sliders && direction == GTK_TEXT_DIR_LTR)

+ {

+ if (child_allocation.x + child_allocation.width + path_bar->spacing + path_bar->slider_width > widget_allocation.x + border_width + allocation_width)

+ {

+ break;

+ }

+ }

+ }

+

+ gtk_widget_set_child_visible (BUTTON_DATA (list->data)->button, TRUE);

+ gtk_widget_size_allocate (child, &child_allocation);

+

+ if (direction == GTK_TEXT_DIR_RTL)

+ {

+ child_allocation.x -= path_bar->spacing;

+ down_slider_offset = child_allocation.x - widget_allocation.x - path_bar->slider_width;

+ down_slider_offset = border_width;

+ }

+ else

+ {

+ down_slider_offset = child_allocation.x - widget_allocation.x;

+ down_slider_offset = allocation->width - border_width - path_bar->slider_width;

+ child_allocation.x += child_allocation.width + path_bar->spacing;

+ }

+ }

+ /* Now we go hide all the widgets that don't fit */

+ while (list)

+ {

+ gtk_widget_set_child_visible (BUTTON_DATA (list->data)->button, FALSE);

+ list = list->prev;

+ }

+ for (list = first_button->next; list; list = list->next)

+ {

+ gtk_widget_set_child_visible (BUTTON_DATA (list->data)->button, FALSE);

+ }

+

+ if (need_sliders || path_bar->fake_root)

+ {

+ child_allocation.width = path_bar->slider_width;

+ child_allocation.x = up_slider_offset + allocation->x;

+ gtk_widget_size_allocate (path_bar->up_slider_button, &child_allocation);

+

+ gtk_widget_set_child_visible (path_bar->up_slider_button, TRUE);

+ gtk_widget_show_all (path_bar->up_slider_button);

+

+ }

+ else

+ {

+ gtk_widget_set_child_visible (path_bar->up_slider_button, FALSE);

+ }

+

+ if (need_sliders)

+ {

+ child_allocation.width = path_bar->slider_width;

+ child_allocation.x = down_slider_offset + allocation->x;

+ gtk_widget_size_allocate (path_bar->down_slider_button, &child_allocation);

+

+ gtk_widget_set_child_visible (path_bar->down_slider_button, TRUE);

+ gtk_widget_show_all (path_bar->down_slider_button);

+ caja_path_bar_update_slider_buttons (path_bar);

+ }

+ else

+ {

+ gtk_widget_set_child_visible (path_bar->down_slider_button, FALSE);

+ }

+}

+

+static void

+caja_path_bar_style_set (GtkWidget *widget, GtkStyle *previous_style)

+{

+ if (GTK_WIDGET_CLASS (caja_path_bar_parent_class)->style_set)

+ {

+ GTK_WIDGET_CLASS (caja_path_bar_parent_class)->style_set (widget, previous_style);

+ }

+

+ caja_path_bar_check_icon_theme (CAJA_PATH_BAR (widget));

+}

+

+static void

+caja_path_bar_screen_changed (GtkWidget *widget,

+ GdkScreen *previous_screen)

+{

+ if (GTK_WIDGET_CLASS (caja_path_bar_parent_class)->screen_changed)

+ {

+ GTK_WIDGET_CLASS (caja_path_bar_parent_class)->screen_changed (widget, previous_screen);

+ }

+ /* We might nave a new settings, so we remove the old one */

+ if (previous_screen)

+ {

+ remove_settings_signal (CAJA_PATH_BAR (widget), previous_screen);

+ }

+ caja_path_bar_check_icon_theme (CAJA_PATH_BAR (widget));

+}

+

+static gboolean

+caja_path_bar_scroll (GtkWidget *widget,

+ GdkEventScroll *event)

+{

+ CajaPathBar *path_bar;

+

+ path_bar = CAJA_PATH_BAR (widget);

+

+ switch (event->direction)

+ {

+ case GDK_SCROLL_RIGHT:

+ case GDK_SCROLL_DOWN:

+ caja_path_bar_scroll_down (path_bar);

+ return TRUE;

+

+ case GDK_SCROLL_LEFT:

+ case GDK_SCROLL_UP:

+ caja_path_bar_scroll_up (path_bar);

+ return TRUE;

+ }

+

+ return FALSE;

+}

+

+

+static void

+caja_path_bar_add (GtkContainer *container,

+ GtkWidget *widget)

+{

+ gtk_widget_set_parent (widget, GTK_WIDGET (container));

+}

+

+static void

+caja_path_bar_remove_1 (GtkContainer *container,

+ GtkWidget *widget)

+{

+ gboolean was_visible = gtk_widget_get_visible (widget);

+ gtk_widget_unparent (widget);

+ if (was_visible)

+ {

+ gtk_widget_queue_resize (GTK_WIDGET (container));

+ }

+}

+

+static void

+caja_path_bar_remove (GtkContainer *container,

+ GtkWidget *widget)

+{

+ CajaPathBar *path_bar;

+ GList *children;

+

+ path_bar = CAJA_PATH_BAR (container);

+

+ if (widget == path_bar->up_slider_button)

+ {

+ caja_path_bar_remove_1 (container, widget);

+ path_bar->up_slider_button = NULL;

+ return;

+ }

+

+ if (widget == path_bar->down_slider_button)

+ {

+ caja_path_bar_remove_1 (container, widget);

+ path_bar->down_slider_button = NULL;

+ return;

+ }

+

+ children = path_bar->button_list;

+ while (children)

+ {

+ if (widget == BUTTON_DATA (children->data)->button)

+ {

+ caja_path_bar_remove_1 (container, widget);

+ path_bar->button_list = g_list_remove_link (path_bar->button_list, children);

+ g_list_free_1 (children);

+ return;

+ }

+ children = children->next;

+ }

+}

+

+static void

+caja_path_bar_forall (GtkContainer *container,

+ gboolean include_internals,

+ GtkCallback callback,

+ gpointer callback_data)

+{

+ CajaPathBar *path_bar;

+ GList *children;

+

+ g_return_if_fail (callback != NULL);

+ path_bar = CAJA_PATH_BAR (container);

+

+ children = path_bar->button_list;

+ while (children)

+ {

+ GtkWidget *child;

+ child = BUTTON_DATA (children->data)->button;

+ children = children->next;

+ (* callback) (child, callback_data);

+ }

+

+ if (path_bar->up_slider_button)

+ {

+ (* callback) (path_bar->up_slider_button, callback_data);

+ }

+

+ if (path_bar->down_slider_button)

+ {

+ (* callback) (path_bar->down_slider_button, callback_data);

+ }

+}

+

+static void

+caja_path_bar_scroll_down (CajaPathBar *path_bar)

+{

+ GList *list;

+ GList *down_button;

+ GList *up_button;

+ gint space_available;

+ gint space_needed;

+ gint border_width;

+ GtkTextDirection direction;

+ GtkAllocation allocation, button_allocation, slider_allocation;

+

+ down_button = NULL;

+ up_button = NULL;

+

+ if (path_bar->ignore_click)

+ {

+ path_bar->ignore_click = FALSE;

+ return;

+ }

+

+ gtk_widget_queue_resize (GTK_WIDGET (path_bar));

+

+ border_width = gtk_container_get_border_width (GTK_CONTAINER (path_bar));

+ direction = gtk_widget_get_direction (GTK_WIDGET (path_bar));

+

+ /* We find the button at the 'down' end that we have to make */

+ /* visible */

+ for (list = path_bar->button_list; list; list = list->next)

+ {

+ if (list->next && gtk_widget_get_child_visible (BUTTON_DATA (list->next->data)->button))

+ {

+ down_button = list;

+ break;

+ }

+ }

+

+ if (down_button == NULL)

+ {

+ return;

+ }

+

+ /* Find the last visible button on the 'up' end */

+ for (list = g_list_last (path_bar->button_list); list; list = list->prev)

+ {

+ if (gtk_widget_get_child_visible (BUTTON_DATA (list->data)->button))

+ {

+ up_button = list;

+ break;

+ }

+ }

+

+ gtk_widget_get_allocation (BUTTON_DATA (down_button->data)->button, &button_allocation);

+ gtk_widget_get_allocation (GTK_WIDGET (path_bar), &allocation);

+ gtk_widget_get_allocation (path_bar->down_slider_button, &slider_allocation);

+

+ space_needed = button_allocation.width + path_bar->spacing;

+ if (direction == GTK_TEXT_DIR_RTL)

+ {

+ space_available = slider_allocation.x - allocation.x;

+ }

+ else

+ {

+ space_available = (allocation.x + allocation.width - border_width) -

+ (slider_allocation.x + slider_allocation.width);

+ }

+

+ /* We have space_available extra space that's not being used. We

+ * need space_needed space to make the button fit. So we walk down

+ * from the end, removing buttons until we get all the space we

+ * need. */

+ gtk_widget_get_allocation (BUTTON_DATA (up_button->data)->button, &button_allocation);

+ while (space_available < space_needed)

+ {

+ space_available += button_allocation.width + path_bar->spacing;

+ up_button = up_button->prev;

+ path_bar->first_scrolled_button = up_button;

+ }

+}

+

+static void

+caja_path_bar_scroll_up (CajaPathBar *path_bar)

+{

+ GList *list;

+

+ if (path_bar->ignore_click)

+ {

+ path_bar->ignore_click = FALSE;

+ return;

+ }

+

+ gtk_widget_queue_resize (GTK_WIDGET (path_bar));

+

+ for (list = g_list_last (path_bar->button_list); list; list = list->prev)

+ {

+ if (list->prev && gtk_widget_get_child_visible (BUTTON_DATA (list->prev->data)->button))

+ {

+ if (list->prev == path_bar->fake_root)

+ {

+ path_bar->fake_root = NULL;

+ }

+ path_bar->first_scrolled_button = list;

+ return;

+ }

+ }

+}

+

+static gboolean

+caja_path_bar_scroll_timeout (CajaPathBar *path_bar)

+{

+ gboolean retval = FALSE;

+

+ GDK_THREADS_ENTER ();

+

+ if (path_bar->timer)

+ {

+ if (gtk_widget_has_focus (path_bar->up_slider_button))

+ {

+ caja_path_bar_scroll_up (path_bar);

+ }

+ else

+ {

+ if (gtk_widget_has_focus (path_bar->down_slider_button))

+ {

+ caja_path_bar_scroll_down (path_bar);

+ }

+ }

+ if (path_bar->need_timer)

+ {

+ path_bar->need_timer = FALSE;

+

+ path_bar->timer = g_timeout_add (SCROLL_TIMEOUT,

+ (GSourceFunc)caja_path_bar_scroll_timeout,

+ path_bar);

+

+ }

+ else

+ {

+ retval = TRUE;

+ }

+ }

+

+

+ GDK_THREADS_LEAVE ();

+

+ return retval;

+}

+

+static void

+caja_path_bar_stop_scrolling (CajaPathBar *path_bar)

+{

+ if (path_bar->timer)

+ {

+ g_source_remove (path_bar->timer);

+ path_bar->timer = 0;

+ path_bar->need_timer = FALSE;

+ }

+}

+

+static gboolean

+caja_path_bar_slider_button_press (GtkWidget *widget,

+ GdkEventButton *event,

+ CajaPathBar *path_bar)

+{

+ if (!gtk_widget_has_focus (widget))

+ {

+ gtk_widget_grab_focus (widget);

+ }

+

+ if (event->type != GDK_BUTTON_PRESS || event->button != 1)

+ {

+ return FALSE;

+ }

+

+ path_bar->ignore_click = FALSE;

+

+ if (widget == path_bar->up_slider_button)

+ {

+ caja_path_bar_scroll_up (path_bar);

+ }

+ else

+ {

+ if (widget == path_bar->down_slider_button)

+ {

+ caja_path_bar_scroll_down (path_bar);

+ }

+ }

+

+ if (!path_bar->timer)

+ {

+ path_bar->need_timer = TRUE;

+ path_bar->timer = g_timeout_add (INITIAL_SCROLL_TIMEOUT,

+ (GSourceFunc)caja_path_bar_scroll_timeout,

+ path_bar);

+ }

+

+ return FALSE;

+}

+

+static gboolean

+caja_path_bar_slider_button_release (GtkWidget *widget,

+ GdkEventButton *event,

+ CajaPathBar *path_bar)

+{

+ if (event->type != GDK_BUTTON_RELEASE)

+ {

+ return FALSE;

+ }

+

+ path_bar->ignore_click = TRUE;

+ caja_path_bar_stop_scrolling (path_bar);

+

+ return FALSE;

+}

+

+static void

+caja_path_bar_grab_notify (GtkWidget *widget,

+ gboolean was_grabbed)

+{

+ if (!was_grabbed)

+ {

+ caja_path_bar_stop_scrolling (CAJA_PATH_BAR (widget));

+ }

+}

+

+static void

+caja_path_bar_state_changed (GtkWidget *widget,

+ GtkStateType previous_state)

+{

+ if (!gtk_widget_get_sensitive (widget))

+ {

+ caja_path_bar_stop_scrolling (CAJA_PATH_BAR (widget));

+ }

+}

+

+

+

+/* Changes the icons wherever it is needed */

+static void

+reload_icons (CajaPathBar *path_bar)

+{

+ GList *list;

+

+ for (list = path_bar->button_list; list; list = list->next)

+ {

+ ButtonData *button_data;

+

+ button_data = BUTTON_DATA (list->data);

+ if (button_data->type != NORMAL_BUTTON || button_data->is_base_dir)

+ {

+ caja_path_bar_update_button_appearance (button_data);

+ }

+

+ }

+}

+

+static void

+change_icon_theme (CajaPathBar *path_bar)

+{

+ path_bar->icon_size = CAJA_PATH_BAR_ICON_SIZE;

+ reload_icons (path_bar);

+}

+

+/* Callback used when a GtkSettings value changes */

+static void

+settings_notify_cb (GObject *object,

+ GParamSpec *pspec,

+ CajaPathBar *path_bar)

+{

+ const char *name;

+

+ name = g_param_spec_get_name (pspec);

+

+ if (! strcmp (name, "gtk-icon-theme-name") || ! strcmp (name, "gtk-icon-sizes"))

+ {

+ change_icon_theme (path_bar);

+ }

+}

+

+static void

+caja_path_bar_check_icon_theme (CajaPathBar *path_bar)

+{

+ GtkSettings *settings;

+

+ if (path_bar->settings_signal_id)

+ {

+ return;

+ }

+

+ settings = gtk_settings_get_for_screen (gtk_widget_get_screen (GTK_WIDGET (path_bar)));

+ path_bar->settings_signal_id = g_signal_connect (settings, "notify", G_CALLBACK (settings_notify_cb), path_bar);

+

+ change_icon_theme (path_bar);

+}

+

+/* Public functions and their helpers */

+void

+caja_path_bar_clear_buttons (CajaPathBar *path_bar)

+{

+ while (path_bar->button_list != NULL)

+ {

+ gtk_container_remove (GTK_CONTAINER (path_bar), BUTTON_DATA (path_bar->button_list->data)->button);

+ }

+ path_bar->first_scrolled_button = NULL;

+ path_bar->fake_root = NULL;

+}

+

+static void

+button_clicked_cb (GtkWidget *button,

+ gpointer data)

+{

+ ButtonData *button_data;

+ CajaPathBar *path_bar;

+ GList *button_list;

+ gboolean child_is_hidden;

+

+ button_data = BUTTON_DATA (data);

+ if (button_data->ignore_changes)

+ {

+ return;

+ }

+

+ path_bar = CAJA_PATH_BAR (gtk_widget_get_parent (button));

+

+ button_list = g_list_find (path_bar->button_list, button_data);

+ g_assert (button_list != NULL);

+

+ gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (button), TRUE);

+

+ if (button_list->prev)

+ {

+ ButtonData *child_data;

+

+ child_data = BUTTON_DATA (button_list->prev->data);

+ child_is_hidden = child_data->file_is_hidden;

+ }

+ else

+ {

+ child_is_hidden = FALSE;

+ }

+ g_signal_emit (path_bar, path_bar_signals [PATH_CLICKED], 0, button_data->path);

+}

+

+static CajaIconInfo *

+get_custom_user_icon_info (ButtonData *button_data)

+{

+ /* Bug 80925: With tiny display sizes we get huge memory allocations. */

+#if 0

+ CajaIconInfo *icon_info;

+ GFile *icon_file;

+ GIcon *icon;

+ char *custom_icon_uri;

+

+ icon = NULL;

+

+ if (button_data->file != NULL)

+ {

+ custom_icon_uri = caja_file_get_custom_icon (button_data->file);

+ if (custom_icon_uri != NULL)

+ {

+ icon_file = g_file_new_for_uri (custom_icon_uri);

+

+ if (g_file_is_native (icon_file))

+ {

+ icon = g_file_icon_new (icon_file);

+ }

+

+ g_object_unref (icon_file);

+ g_free (custom_icon_uri);

+ }

+ }

+

+ if (icon != NULL)

+ {

+ icon_info = caja_icon_info_lookup (icon, CAJA_PATH_BAR_ICON_SIZE);

+ g_object_unref (icon);

+

+ return icon_info;

+ }

+#endif

+

+ return NULL;

+}

+

+static CajaIconInfo *

+get_type_icon_info (ButtonData *button_data)

+{

+ switch (button_data->type)

+ {

+ case ROOT_BUTTON:

+ return caja_icon_info_lookup_from_name (CAJA_ICON_FILESYSTEM,

+ CAJA_PATH_BAR_ICON_SIZE);

+

+ case HOME_BUTTON:

+ return caja_icon_info_lookup_from_name (CAJA_ICON_HOME,

+ CAJA_PATH_BAR_ICON_SIZE);

+

+ case DESKTOP_BUTTON:

+ return caja_icon_info_lookup_from_name (CAJA_ICON_DESKTOP,

+ CAJA_PATH_BAR_ICON_SIZE);

+

+ case NORMAL_BUTTON:

+ if (button_data->is_base_dir)

+ {

+ return caja_file_get_icon (button_data->file,

+ CAJA_PATH_BAR_ICON_SIZE,

+ CAJA_FILE_ICON_FLAGS_NONE);

+ }

+

+ default:

+ return NULL;

+ }

+

+ return NULL;

+}

+

+static void

+button_data_free (ButtonData *button_data)

+{

+ g_object_unref (button_data->path);

+ g_free (button_data->dir_name);

+ if (button_data->custom_icon)

+ {

+ g_object_unref (button_data->custom_icon);

+ }

+ if (button_data->file != NULL)

+ {

+ g_signal_handler_disconnect (button_data->file,

+ button_data->file_changed_signal_id);

+ caja_file_monitor_remove (button_data->file, button_data);

+ caja_file_unref (button_data->file);

+ }

+

+ g_object_unref (button_data->drag_info.target_location);

+ button_data->drag_info.target_location = NULL;

+

+ g_free (button_data);

+}

+

+static const char *

+get_dir_name (ButtonData *button_data)

+{

+ if (button_data->type == DESKTOP_BUTTON)

+ {

+ return _("Desktop");

+ }

+ else

+ {

+ return button_data->dir_name;

+ }

+}

+

+/* We always want to request the same size for the label, whether

+ * or not the contents are bold

+ */

+static void

+label_size_request_cb (GtkWidget *widget,

+ GtkRequisition *requisition,

+ ButtonData *button_data)

+{

+ const gchar *dir_name = get_dir_name (button_data);

+ PangoLayout *layout;

+ gint bold_width, bold_height;

+ gchar *markup;

+

+ layout = gtk_widget_create_pango_layout (button_data->label, dir_name);

+ pango_layout_get_pixel_size (layout, &requisition->width, &requisition->height);

+

+ markup = g_markup_printf_escaped ("<b>%s</b>", dir_name);

+ pango_layout_set_markup (layout, markup, -1);

+ g_free (markup);

+

+ pango_layout_get_pixel_size (layout, &bold_width, &bold_height);

+ requisition->width = MAX (requisition->width, bold_width);

+ requisition->height = MAX (requisition->height, bold_height);

+

+ g_object_unref (layout);

+}

+

+static void

+caja_path_bar_update_button_appearance (ButtonData *button_data)

+{

+ CajaIconInfo *icon_info;

+ GdkPixbuf *pixbuf;

+ const gchar *dir_name = get_dir_name (button_data);

+

+ if (button_data->label != NULL)

+ {

+ if (gtk_label_get_use_markup (GTK_LABEL (button_data->label)))

+ {

+ char *markup;

+

+ markup = g_markup_printf_escaped ("<b>%s</b>", dir_name);

+ gtk_label_set_markup (GTK_LABEL (button_data->label), markup);

+ g_free (markup);

+ }

+ else

+ {

+ gtk_label_set_text (GTK_LABEL (button_data->label), dir_name);

+ }

+ }

+

+ if (button_data->image != NULL)

+ {

+ if (button_data->custom_icon)

+ {

+ gtk_image_set_from_pixbuf (GTK_IMAGE (button_data->image), button_data->custom_icon);

+ gtk_widget_show (GTK_WIDGET (button_data->image));

+ }

+ else

+ {

+ icon_info = get_custom_user_icon_info (button_data);

+ if (icon_info == NULL)

+ {

+ icon_info = get_type_icon_info (button_data);

+ }

+

+ pixbuf = NULL;

+

+ if (icon_info != NULL)

+ {

+ pixbuf = caja_icon_info_get_pixbuf_at_size (icon_info, CAJA_PATH_BAR_ICON_SIZE);

+ g_object_unref (icon_info);

+ }

+

+ if (pixbuf != NULL)

+ {

+ gtk_image_set_from_pixbuf (GTK_IMAGE (button_data->image), pixbuf);

+ gtk_widget_show (GTK_WIDGET (button_data->image));

+ g_object_unref (pixbuf);

+ }

+ else

+ {

+ gtk_widget_hide (GTK_WIDGET (button_data->image));

+ }

+ }

+ }

+

+}

+

+static void

+caja_path_bar_update_button_state (ButtonData *button_data,

+ gboolean current_dir)

+{

+ if (button_data->label != NULL)

+ {

+ g_object_set (button_data->label, "use-markup", current_dir, NULL);

+ }

+

+ caja_path_bar_update_button_appearance (button_data);

+

+ if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (button_data->button)) != current_dir)

+ {

+ button_data->ignore_changes = TRUE;

+ gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (button_data->button), current_dir);

+ button_data->ignore_changes = FALSE;

+ }

+}

+

+static gboolean

+setup_file_path_mounted_mount (GFile *location, ButtonData *button_data)

+{

+ GVolumeMonitor *volume_monitor;

+ GList *mounts, *l;

+ GMount *mount;

+ gboolean result;

+ GIcon *icon;

+ CajaIconInfo *info;

+ GFile *root, *default_location;

+

+ result = FALSE;

+ volume_monitor = g_volume_monitor_get ();

+ mounts = g_volume_monitor_get_mounts (volume_monitor);

+ for (l = mounts; l != NULL; l = l->next)

+ {

+ mount = l->data;

+ if (g_mount_is_shadowed (mount))

+ {

+ continue;

+ }

+ if (result)

+ {

+ continue;

+ }

+ root = g_mount_get_root (mount);

+ if (g_file_equal (location, root))

+ {

+ result = TRUE;

+ /* set mount specific details in button_data */

+ if (button_data)

+ {

+ icon = g_mount_get_icon (mount);

+ if (icon == NULL)

+ {

+ icon = g_themed_icon_new (CAJA_ICON_FOLDER);

+ }

+ info = caja_icon_info_lookup (icon, CAJA_PATH_BAR_ICON_SIZE);

+ g_object_unref (icon);

+ button_data->custom_icon = caja_icon_info_get_pixbuf_at_size (info, CAJA_PATH_BAR_ICON_SIZE);

+ g_object_unref (info);

+ button_data->dir_name = g_mount_get_name (mount);

+ button_data->type = MOUNT_BUTTON;

+ button_data->fake_root = TRUE;

+ }

+ g_object_unref (root);

+ break;

+ }

+ default_location = g_mount_get_default_location (mount);

+ if (!g_file_equal (default_location, root) &&

+ g_file_equal (location, default_location))

+ {

+ result = TRUE;

+ /* set mount specific details in button_data */

+ if (button_data)

+ {

+ icon = g_mount_get_icon (mount);

+ if (icon == NULL)

+ {

+ icon = g_themed_icon_new (CAJA_ICON_FOLDER);

+ }

+ info = caja_icon_info_lookup (icon, CAJA_PATH_BAR_ICON_SIZE);

+ g_object_unref (icon);

+ button_data->custom_icon = caja_icon_info_get_pixbuf_at_size (info, CAJA_PATH_BAR_ICON_SIZE);

+ g_object_unref (info);

+ button_data->type = DEFAULT_LOCATION_BUTTON;

+ button_data->fake_root = TRUE;

+ }

+ g_object_unref (default_location);

+ g_object_unref (root);

+ break;

+ }

+ g_object_unref (default_location);

+ g_object_unref (root);

+ }

+ eel_g_object_list_free (mounts);

+ return result;

+}

+

+static void

+setup_button_type (ButtonData *button_data,

+ CajaPathBar *path_bar,

+ GFile *location)

+{

+ if (path_bar->root_path != NULL && g_file_equal (location, path_bar->root_path))

+ {

+ button_data->type = ROOT_BUTTON;

+ }

+ else if (path_bar->home_path != NULL && g_file_equal (location, path_bar->home_path))

+ {

+ button_data->type = HOME_BUTTON;

+ button_data->fake_root = TRUE;

+ }

+ else if (path_bar->desktop_path != NULL && g_file_equal (location, path_bar->desktop_path))

+ {

+ if (!desktop_is_home)

+ {

+ button_data->type = DESKTOP_BUTTON;

+ }

+ else

+ {

+ button_data->type = NORMAL_BUTTON;

+ }

+ }

+ else if (setup_file_path_mounted_mount (location, button_data))

+ {

+ /* already setup */

+ }

+ else

+ {

+ button_data->type = NORMAL_BUTTON;

+ }

+}

+

+static void

+button_drag_data_get_cb (GtkWidget *widget,

+ GdkDragContext *context,

+ GtkSelectionData *selection_data,

+ guint info,

+ guint time_,

+ gpointer user_data)

+{

+ ButtonData *button_data;

+ char *uri_list[2];

+ char *tmp;

+

+ button_data = user_data;

+

+ uri_list[0] = g_file_get_uri (button_data->path);

+ uri_list[1] = NULL;

+

+ if (info == CAJA_ICON_DND_MATE_ICON_LIST)

+ {

+ tmp = g_strdup_printf ("%s\r\n", uri_list[0]);

+ gtk_selection_data_set (selection_data, gtk_selection_data_get_target (selection_data),

+ 8, tmp, strlen (tmp));

+ g_free (tmp);

+ }

+ else if (info == CAJA_ICON_DND_URI_LIST)

+ {

+ gtk_selection_data_set_uris (selection_data, uri_list);

+ }

+

+ g_free (uri_list[0]);

+}

+

+static void

+setup_button_drag_source (ButtonData *button_data)

+{

+ GtkTargetList *target_list;

+ const GtkTargetEntry targets[] =

+ {

+ { CAJA_ICON_DND_MATE_ICON_LIST_TYPE, 0, CAJA_ICON_DND_MATE_ICON_LIST }

+ };

+

+ gtk_drag_source_set (button_data->button,

+ GDK_BUTTON1_MASK |

+ GDK_BUTTON2_MASK,

+ NULL, 0,

+ GDK_ACTION_MOVE |

+ GDK_ACTION_COPY |

+ GDK_ACTION_LINK |

+ GDK_ACTION_ASK);

+

+ target_list = gtk_target_list_new (targets, G_N_ELEMENTS (targets));

+ gtk_target_list_add_uri_targets (target_list, CAJA_ICON_DND_URI_LIST);

+ gtk_drag_source_set_target_list (button_data->button, target_list);

+ gtk_target_list_unref (target_list);

+

+ g_signal_connect (button_data->button, "drag-data-get",

+ G_CALLBACK (button_drag_data_get_cb),

+ button_data);

+}

+

+static void

+button_data_file_changed (CajaFile *file,

+ ButtonData *button_data)

+{

+ GFile *location, *current_location, *parent, *button_parent;

+ ButtonData *current_button_data;

+ char *display_name;

+ CajaPathBar *path_bar;

+ gboolean renamed, child;

+

+ path_bar = (CajaPathBar *) gtk_widget_get_ancestor (button_data->button,

+ CAJA_TYPE_PATH_BAR);

+ if (path_bar == NULL)

+ {

+ return;

+ }

+

+ g_assert (path_bar->current_path != NULL);

+ g_assert (path_bar->current_button_data != NULL);

+

+ current_button_data = path_bar->current_button_data;

+

+ location = caja_file_get_location (file);

+ if (!g_file_equal (button_data->path, location))

+ {

+ parent = g_file_get_parent (location);

+ button_parent = g_file_get_parent (button_data->path);

+

+ renamed = (parent != NULL && button_parent != NULL) &&

+ g_file_equal (parent, button_parent);

+

+ if (parent != NULL)

+ {

+ g_object_unref (parent);

+ }

+ if (button_parent != NULL)

+ {

+ g_object_unref (button_parent);

+ }

+

+ if (renamed)

+ {

+ button_data->path = g_object_ref (location);

+ }

+ else

+ {

+ /* the file has been moved.

+ * If it was below the currently displayed location, remove it.

+ * If it was not below the currently displayed location, update the path bar

+ */

+ child = g_file_has_prefix (button_data->path,

+ path_bar->current_path);

+

+ if (child)

+ {

+ /* moved file inside current path hierarchy */

+ g_object_unref (location);

+ location = g_file_get_parent (button_data->path);

+ current_location = g_object_ref (path_bar->current_path);

+ }

+ else

+ {

+ /* moved current path, or file outside current path hierarchy.

+ * Update path bar to new locations.

+ */

+ current_location = caja_file_get_location (current_button_data->file);

+ }

+

+ caja_path_bar_update_path (path_bar, location, FALSE);

+ caja_path_bar_set_path (path_bar, current_location);

+ g_object_unref (location);

+ g_object_unref (current_location);

+ return;

+ }

+ }

+ else if (caja_file_is_gone (file))

+ {

+ gint idx, position;

+

+ /* remove this and the following buttons */

+ position = g_list_position (path_bar->button_list,

+ g_list_find (path_bar->button_list, button_data));

+

+ if (position != -1)

+ {

+ for (idx = 0; idx <= position; idx++)

+ {

+ gtk_container_remove (GTK_CONTAINER (path_bar),

+ BUTTON_DATA (path_bar->button_list->data)->button);

+ }

+ }

+

+ g_object_unref (location);

+ return;

+ }

+ g_object_unref (location);

+

+ /* MOUNTs use the GMount as the name, so don't update for those */

+ if (button_data->type != MOUNT_BUTTON)

+ {

+ display_name = caja_file_get_display_name (file);

+ if (eel_strcmp (display_name, button_data->dir_name) != 0)

+ {

+ g_free (button_data->dir_name);

+ button_data->dir_name = g_strdup (display_name);

+ }

+

+ g_free (display_name);

+ }

+ caja_path_bar_update_button_appearance (button_data);

+}

+

+static ButtonData *

+make_directory_button (CajaPathBar *path_bar,

+ CajaFile *file,

+ gboolean current_dir,

+ gboolean base_dir,

+ gboolean file_is_hidden)

+{

+ GFile *path;

+ GtkWidget *child;

+ GtkWidget *label_alignment;

+ ButtonData *button_data;

+

+ path = caja_file_get_location (file);

+

+ child = NULL;

+ label_alignment = NULL;

+

+ file_is_hidden = !! file_is_hidden;

+ /* Is it a special button? */

+ button_data = g_new0 (ButtonData, 1);

+

+ setup_button_type (button_data, path_bar, path);

+ button_data->button = gtk_toggle_button_new ();

+ gtk_button_set_focus_on_click (GTK_BUTTON (button_data->button), FALSE);

+ /* TODO update button type when xdg directories change */

+

+ button_data->drag_info.target_location = g_object_ref (path);

+

+ button_data->image = gtk_image_new ();

+

+ switch (button_data->type)

+ {

+ case ROOT_BUTTON:

+ child = button_data->image;

+ button_data->label = NULL;

+ break;

+ case HOME_BUTTON:

+ case DESKTOP_BUTTON:

+ case MOUNT_BUTTON:

+ case DEFAULT_LOCATION_BUTTON:

+ button_data->label = gtk_label_new (NULL);

+ label_alignment = gtk_alignment_new (0.5, 0.5, 1.0, 1.0);

+ gtk_container_add (GTK_CONTAINER (label_alignment), button_data->label);

+ child = gtk_hbox_new (FALSE, 2);

+ gtk_box_pack_start (GTK_BOX (child), button_data->image, FALSE, FALSE, 0);

+ gtk_box_pack_start (GTK_BOX (child), label_alignment, FALSE, FALSE, 0);

+ break;

+ case NORMAL_BUTTON:

+ default:

+ button_data->label = gtk_label_new (NULL);

+ label_alignment = gtk_alignment_new (0.5, 0.5, 1.0, 1.0);

+ gtk_container_add (GTK_CONTAINER (label_alignment), button_data->label);

+ child = gtk_hbox_new (FALSE, 2);

+ gtk_box_pack_start (GTK_BOX (child), button_data->image, FALSE, FALSE, 0);

+ gtk_box_pack_start (GTK_BOX (child), label_alignment, FALSE, FALSE, 0);

+ button_data->is_base_dir = base_dir;

+ }

+

+ /* label_alignment is created because we can't override size-request

+ * on label itself and still have the contents of the label centered

+ * properly in the label's requisition

+ */

+

+ if (label_alignment)

+ {

+ g_signal_connect (label_alignment, "size-request",

+ G_CALLBACK (label_size_request_cb), button_data);

+ }

+

+ if (button_data->path == NULL)

+ {

+ button_data->path = g_object_ref (path);

+ }

+ if (button_data->dir_name == NULL)

+ {

+ button_data->dir_name = caja_file_get_display_name (file);

+ }

+ if (button_data->file == NULL)

+ {

+ button_data->file = caja_file_ref (file);

+ caja_file_monitor_add (button_data->file, button_data,

+ CAJA_FILE_ATTRIBUTES_FOR_ICON);

+ button_data->file_changed_signal_id =

+ g_signal_connect (button_data->file, "changed",

+ G_CALLBACK (button_data_file_changed),

+ button_data);

+ }

+

+ button_data->file_is_hidden = file_is_hidden;

+

+ gtk_container_add (GTK_CONTAINER (button_data->button), child);

+ gtk_widget_show_all (button_data->button);

+

+ caja_path_bar_update_button_state (button_data, current_dir);

+

+ g_signal_connect (button_data->button, "clicked", G_CALLBACK (button_clicked_cb), button_data);

+ g_object_weak_ref (G_OBJECT (button_data->button), (GWeakNotify) button_data_free, button_data);

+

+ setup_button_drag_source (button_data);

+

+ caja_drag_slot_proxy_init (button_data->button,

+ &(button_data->drag_info));

+

+ g_object_unref (path);

+

+ return button_data;

+}

+

+static gboolean

+caja_path_bar_check_parent_path (CajaPathBar *path_bar,

+ GFile *location,

+ ButtonData **current_button_data)

+{

+ GList *list;

+ GList *current_path;

+ gboolean need_new_fake_root;

+

+ current_path = NULL;

+ need_new_fake_root = FALSE;

+

+ if (current_button_data)

+ {

+ *current_button_data = NULL;

+ }

+

+ for (list = path_bar->button_list; list; list = list->next)

+ {

+ ButtonData *button_data;

+

+ button_data = list->data;

+ if (g_file_equal (location, button_data->path))

+ {

+ current_path = list;

+

+ if (current_button_data)

+ {

+ *current_button_data = button_data;

+ }

+ break;

+ }

+ if (list == path_bar->fake_root)

+ {

+ need_new_fake_root = TRUE;

+ }

+ }

+

+ if (current_path)

+ {

+

+ if (need_new_fake_root)

+ {

+ path_bar->fake_root = NULL;

+ for (list = current_path; list; list = list->next)

+ {

+ ButtonData *button_data;

+

+ button_data = list->data;

+ if (list->prev != NULL &&

+ button_data->fake_root)

+ {

+ path_bar->fake_root = list;

+ break;

+ }

+ }

+ }

+

+ for (list = path_bar->button_list; list; list = list->next)

+ {

+

+ caja_path_bar_update_button_state (BUTTON_DATA (list->data),

+ (list == current_path) ? TRUE : FALSE);

+ }

+

+ if (!gtk_widget_get_child_visible (BUTTON_DATA (current_path->data)->button))

+ {

+ path_bar->first_scrolled_button = current_path;

+ gtk_widget_queue_resize (GTK_WIDGET (path_bar));

+ }

+ return TRUE;

+ }

+ return FALSE;

+}

+

+static gboolean

+caja_path_bar_update_path (CajaPathBar *path_bar,

+ GFile *file_path,

+ gboolean emit_signal)

+{

+ CajaFile *file, *parent_file;

+ gboolean first_directory, last_directory;

+ gboolean result;

+ GList *new_buttons, *l, *fake_root;

+ ButtonData *button_data, *current_button_data;

+

+ g_return_val_if_fail (CAJA_IS_PATH_BAR (path_bar), FALSE);

+ g_return_val_if_fail (file_path != NULL, FALSE);

+

+ fake_root = NULL;

+ result = TRUE;

+ first_directory = TRUE;

+ last_directory = FALSE;

+ new_buttons = NULL;

+ current_button_data = NULL;

+

+ file = caja_file_get (file_path);

+

+ gtk_widget_push_composite_child ();

+

+ while (file != NULL)

+ {

+ parent_file = caja_file_get_parent (file);

+ last_directory = !parent_file;

+ button_data = make_directory_button (path_bar, file, first_directory, last_directory, FALSE);

+ caja_file_unref (file);

+

+ if (first_directory)

+ {

+ current_button_data = button_data;

+ }

+

+ new_buttons = g_list_prepend (new_buttons, button_data);

+

+ if (parent_file != NULL &&

+ button_data->fake_root)

+ {

+ fake_root = new_buttons;

+ }

+

+ file = parent_file;

+ first_directory = FALSE;

+ }

+

+ caja_path_bar_clear_buttons (path_bar);

+ path_bar->button_list = g_list_reverse (new_buttons);

+ path_bar->fake_root = fake_root;

+

+ for (l = path_bar->button_list; l; l = l->next)

+ {

+ GtkWidget *button;

+ button = BUTTON_DATA (l->data)->button;

+ gtk_container_add (GTK_CONTAINER (path_bar), button);

+ }

+

+ gtk_widget_pop_composite_child ();

+

+ if (path_bar->current_path != NULL)

+ {

+ g_object_unref (path_bar->current_path);

+ }

+

+ path_bar->current_path = g_object_ref (file_path);

+ path_bar->current_button_data = current_button_data;

+

+ g_signal_emit (path_bar, path_bar_signals [PATH_SET], 0, file_path);

+

+ return result;

+}

+

+gboolean

+caja_path_bar_set_path (CajaPathBar *path_bar, GFile *file_path)

+{

+ ButtonData *button_data;

+

+ g_return_val_if_fail (CAJA_IS_PATH_BAR (path_bar), FALSE);

+ g_return_val_if_fail (file_path != NULL, FALSE);

+

+ /* Check whether the new path is already present in the pathbar as buttons.

+ * This could be a parent directory or a previous selected subdirectory. */

+ if (caja_path_bar_check_parent_path (path_bar, file_path, &button_data))

+ {

+ if (path_bar->current_path != NULL)

+ {

+ g_object_unref (path_bar->current_path);

+ }

+

+ path_bar->current_path = g_object_ref (file_path);

+ path_bar->current_button_data = button_data;

+

+ return TRUE;

+ }

+

+ return caja_path_bar_update_path (path_bar, file_path, TRUE);

+}

+

+GFile *

+caja_path_bar_get_path_for_button (CajaPathBar *path_bar,

+ GtkWidget *button)

+{

+ GList *list;

+

+ g_return_val_if_fail (CAJA_IS_PATH_BAR (path_bar), NULL);

+ g_return_val_if_fail (GTK_IS_BUTTON (button), NULL);

+

+ for (list = path_bar->button_list; list; list = list->next)

+ {

+ ButtonData *button_data;

+ button_data = BUTTON_DATA (list->data);

+ if (button_data->button == button)

+ {

+ return g_object_ref (button_data->path);

+ }

+ }

+

+ return NULL;

+}

+

+/**

+ * _caja_path_bar_up:

+ * @path_bar: a #CajaPathBar

+ *

+ * If the selected button in the pathbar is not the furthest button "up" (in the

+ * root direction), act as if the user clicked on the next button up.

+ **/

+void

+caja_path_bar_up (CajaPathBar *path_bar)

+{

+ GList *l;

+

+ for (l = path_bar->button_list; l; l = l->next)

+ {

+ GtkWidget *button = BUTTON_DATA (l->data)->button;

+ if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (button)))

+ {

+ if (l->next)

+ {

+ GtkWidget *next_button = BUTTON_DATA (l->next->data)->button;

+ button_clicked_cb (next_button, l->next->data);

+ }

+ break;

+ }

+ }

+}

+

+/**

+ * _caja_path_bar_down:

+ * @path_bar: a #CajaPathBar

+ *

+ * If the selected button in the pathbar is not the furthest button "down" (in the

+ * leaf direction), act as if the user clicked on the next button down.

+ **/

+void

+caja_path_bar_down (CajaPathBar *path_bar)

+{

+ GList *l;

+

+ for (l = path_bar->button_list; l; l = l->next)

+ {

+ GtkWidget *button = BUTTON_DATA (l->data)->button;

+ if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (button)))

+ {

+ if (l->prev)

+ {

+ GtkWidget *prev_button = BUTTON_DATA (l->prev->data)->button;

+ button_clicked_cb (prev_button, l->prev->data);

+ }

+ break;

+ }

+ }

+}

+

+GtkWidget *

+caja_path_bar_get_button_from_button_list_entry (gpointer entry)

+{

+ return BUTTON_DATA(entry)->button;

+}