diff options
Diffstat (limited to 'src/nautilus-pathbar.c')
| -rw-r--r-- | src/nautilus-pathbar.c | 1699 |
1 files changed, 1699 insertions, 0 deletions
diff --git a/src/nautilus-pathbar.c b/src/nautilus-pathbar.c new file mode 100644 index 0000000..edc0fff --- /dev/null +++ b/src/nautilus-pathbar.c @@ -0,0 +1,1699 @@ +/* nautilus-pathbar.c + * Copyright (C) 2004 Red Hat, Inc., Jonathan Blandford <jrb@gnome.org> + * + * 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, see <http://www.gnu.org/licenses/>. + */ + + +#include <config.h> +#include <string.h> +#include <gtk/gtk.h> +#include <glib/gi18n.h> +#include <gio/gio.h> + +#include "nautilus-pathbar.h" +#include "nautilus-properties-window.h" + +#include "nautilus-file.h" +#include "nautilus-file-utilities.h" +#include "nautilus-global-preferences.h" +#include "nautilus-icon-names.h" +#include "nautilus-trash-monitor.h" +#include "nautilus-ui-utilities.h" + +#include "nautilus-window-slot-dnd.h" + +enum +{ + OPEN_LOCATION, + PATH_CLICKED, + LAST_SIGNAL +}; + +typedef enum +{ + NORMAL_BUTTON, + OTHER_LOCATIONS_BUTTON, + ROOT_BUTTON, + ADMIN_ROOT_BUTTON, + HOME_BUTTON, + STARRED_BUTTON, + RECENT_BUTTON, + MOUNT_BUTTON, + TRASH_BUTTON, +} ButtonType; + +#define BUTTON_DATA(x) ((ButtonData *) (x)) + +static guint path_bar_signals[LAST_SIGNAL] = { 0 }; + +#define NAUTILUS_PATH_BAR_BUTTON_MAX_WIDTH 175 + +typedef struct +{ + GtkWidget *button; + ButtonType type; + char *dir_name; + GFile *path; + NautilusFile *file; + unsigned int file_changed_signal_id; + + GtkWidget *image; + GtkWidget *label; + GtkWidget *separator; + GtkWidget *disclosure_arrow; + GtkWidget *container; + + NautilusPathBar *path_bar; + + GtkGesture *multi_press_gesture; + + guint ignore_changes : 1; + guint is_root : 1; +} ButtonData; + +struct _NautilusPathBar +{ + GtkContainer parent_instance; + + GdkWindow *event_window; + + GFile *current_path; + gpointer current_button_data; + + GList *button_list; + gulong settings_signal_id; + + GActionGroup *action_group; + + NautilusFile *context_menu_file; + GtkPopover *current_view_menu_popover; + GtkPopover *button_menu_popover; + GMenu *current_view_menu; + GMenu *extensions_section; + GMenu *templates_submenu; + GMenu *button_menu; +}; + +G_DEFINE_TYPE (NautilusPathBar, nautilus_path_bar, GTK_TYPE_CONTAINER); + +static void nautilus_path_bar_check_icon_theme (NautilusPathBar *self); +static void nautilus_path_bar_update_button_appearance (ButtonData *button_data, + gboolean current_dir); +static void nautilus_path_bar_update_button_state (ButtonData *button_data, + gboolean current_dir); +static void nautilus_path_bar_update_path (NautilusPathBar *self, + GFile *file_path); + +static void unschedule_pop_up_context_menu (NautilusPathBar *self); +static void action_pathbar_open_item_new_window (GSimpleAction *action, + GVariant *state, + gpointer user_data); +static void action_pathbar_open_item_new_tab (GSimpleAction *action, + GVariant *state, + gpointer user_data); +static void action_pathbar_properties (GSimpleAction *action, + GVariant *state, + gpointer user_data); +static void pop_up_pathbar_context_menu (NautilusPathBar *self, + NautilusFile *file); + +const GActionEntry path_bar_actions[] = +{ + { "open-item-new-tab", action_pathbar_open_item_new_tab }, + { "open-item-new-window", action_pathbar_open_item_new_window }, + { "properties", action_pathbar_properties} +}; + + +static void +action_pathbar_open_item_new_tab (GSimpleAction *action, + GVariant *state, + gpointer user_data) +{ + NautilusPathBar *self; + GFile *location; + + self = NAUTILUS_PATH_BAR (user_data); + + if (self->context_menu_file == NULL) + { + return; + } + + location = nautilus_file_get_location (self->context_menu_file); + + if (location) + { + g_signal_emit (user_data, path_bar_signals[OPEN_LOCATION], 0, location, GTK_PLACES_OPEN_NEW_TAB); + g_object_unref (location); + } +} + +static void +action_pathbar_open_item_new_window (GSimpleAction *action, + GVariant *state, + gpointer user_data) +{ + NautilusPathBar *self; + GFile *location; + + self = NAUTILUS_PATH_BAR (user_data); + + if (self->context_menu_file == NULL) + { + return; + } + + location = nautilus_file_get_location (self->context_menu_file); + + if (location) + { + g_signal_emit (user_data, path_bar_signals[OPEN_LOCATION], 0, location, GTK_PLACES_OPEN_NEW_WINDOW); + g_object_unref (location); + } +} + +static void +action_pathbar_properties (GSimpleAction *action, + GVariant *state, + gpointer user_data) +{ + NautilusPathBar *self; + GList *files; + + self = NAUTILUS_PATH_BAR (user_data); + + g_return_if_fail (NAUTILUS_IS_FILE (self->context_menu_file)); + + files = g_list_append (NULL, nautilus_file_ref (self->context_menu_file)); + + nautilus_properties_window_present (files, GTK_WIDGET (self), NULL, NULL, + NULL); + + nautilus_file_list_free (files); +} + +static void +nautilus_path_bar_init (NautilusPathBar *self) +{ + GtkBuilder *builder; + g_autoptr (GError) error = NULL; + + builder = gtk_builder_new (); + + /* Add context menu for pathbar buttons */ + gtk_builder_add_from_resource (builder, + "/org/gnome/nautilus/ui/nautilus-pathbar-context-menu.ui", + &error); + if (error != NULL) + { + g_error ("Failed to add pathbar-context-menu.ui: %s", error->message); + } + self->button_menu = g_object_ref_sink (G_MENU (gtk_builder_get_object (builder, "button-menu"))); + self->button_menu_popover = g_object_ref_sink (GTK_POPOVER (gtk_popover_new_from_model (NULL, + G_MENU_MODEL (self->button_menu)))); + + /* Add current location menu, which matches the view's background context menu */ + gtk_builder_add_from_resource (builder, + "/org/gnome/nautilus/ui/nautilus-files-view-context-menus.ui", + &error); + if (error != NULL) + { + g_error ("failed to add files-view-context-menus.ui: %s", error->message); + } + self->current_view_menu = g_object_ref_sink (G_MENU (gtk_builder_get_object (builder, "background-menu"))); + self->extensions_section = g_object_ref (G_MENU (gtk_builder_get_object (builder, "background-extensions-section"))); + self->templates_submenu = g_object_ref (G_MENU (gtk_builder_get_object (builder, "templates-submenu"))); + self->current_view_menu_popover = g_object_ref_sink (GTK_POPOVER (gtk_popover_new_from_model (NULL, + G_MENU_MODEL (self->current_view_menu)))); + + g_object_unref (builder); + + gtk_widget_set_has_window (GTK_WIDGET (self), FALSE); + gtk_widget_set_redraw_on_allocate (GTK_WIDGET (self), FALSE); + + gtk_style_context_add_class (gtk_widget_get_style_context (GTK_WIDGET (self)), + GTK_STYLE_CLASS_LINKED); + gtk_style_context_add_class (gtk_widget_get_style_context (GTK_WIDGET (self)), + "nautilus-path-bar"); + + /* Action group */ + self->action_group = G_ACTION_GROUP (g_simple_action_group_new ()); + g_action_map_add_action_entries (G_ACTION_MAP (self->action_group), + path_bar_actions, + G_N_ELEMENTS (path_bar_actions), + self); + gtk_widget_insert_action_group (GTK_WIDGET (self), + "pathbar", + G_ACTION_GROUP (self->action_group)); +} + +static void +nautilus_path_bar_finalize (GObject *object) +{ + NautilusPathBar *self; + + self = NAUTILUS_PATH_BAR (object); + + g_list_free (self->button_list); + g_clear_object (&self->current_view_menu); + g_clear_object (&self->extensions_section); + g_clear_object (&self->templates_submenu); + g_clear_object (&self->button_menu); + g_clear_object (&self->button_menu_popover); + g_clear_object (&self->current_view_menu_popover); + + unschedule_pop_up_context_menu (NAUTILUS_PATH_BAR (object)); + + G_OBJECT_CLASS (nautilus_path_bar_parent_class)->finalize (object); +} + +/* Removes the settings signal handler. It's safe to call multiple times */ +static void +remove_settings_signal (NautilusPathBar *self, + GdkScreen *screen) +{ + GtkSettings *settings; + + settings = gtk_settings_get_for_screen (screen); + + g_clear_signal_handler (&self->settings_signal_id, settings); +} + +static void +nautilus_path_bar_dispose (GObject *object) +{ + NautilusPathBar *self; + + self = NAUTILUS_PATH_BAR (object); + + remove_settings_signal (self, gtk_widget_get_screen (GTK_WIDGET (object))); + + G_OBJECT_CLASS (nautilus_path_bar_parent_class)->dispose (object); +} + +static const char * +get_dir_name (ButtonData *button_data) +{ + switch (button_data->type) + { + case ROOT_BUTTON: + { + /* Translators: This is the label used in the pathbar when seeing + * the root directory (also known as /) */ + return _("Computer"); + } + + case ADMIN_ROOT_BUTTON: + { + /* Translators: This is the filesystem root directory (also known + * as /) when seen as administrator */ + return _("Administrator Root"); + } + + case HOME_BUTTON: + { + return _("Home"); + } + + case OTHER_LOCATIONS_BUTTON: + { + return _("Other Locations"); + } + + case STARRED_BUTTON: + { + return _("Starred"); + } + + default: + { + 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 +set_label_size_request (ButtonData *button_data) +{ + gint width; + GtkRequisition nat_req; + + if (button_data->label == NULL) + { + return; + } + + gtk_widget_get_preferred_size (button_data->label, NULL, &nat_req); + + width = MIN (nat_req.width, NAUTILUS_PATH_BAR_BUTTON_MAX_WIDTH); + + gtk_widget_set_size_request (button_data->label, width, nat_req.height); +} + +/* Size requisition: + * + * Ideally, our size is determined by another widget, and we are just filling + * available space. + */ +static void +nautilus_path_bar_get_preferred_width (GtkWidget *widget, + gint *minimum, + gint *natural) +{ + ButtonData *button_data; + NautilusPathBar *self; + GList *list; + gint child_height; + gint height; + gint child_min, child_nat; + + self = NAUTILUS_PATH_BAR (widget); + + *minimum = *natural = 0; + height = 0; + + for (list = self->button_list; list; list = list->next) + { + button_data = BUTTON_DATA (list->data); + set_label_size_request (button_data); + + gtk_widget_get_preferred_width (button_data->button, &child_min, &child_nat); + gtk_widget_get_preferred_height (button_data->button, &child_height, NULL); + height = MAX (height, child_height); + + if (button_data->type == NORMAL_BUTTON) + { + /* Use 2*Height as button width because of ellipsized label. */ + child_min = MAX (child_min, child_height * 2); + child_nat = MAX (child_min, child_height * 2); + } + + *minimum = MAX (*minimum, child_min); + *natural = *natural + child_nat; + } +} + +static void +nautilus_path_bar_get_preferred_height (GtkWidget *widget, + gint *minimum, + gint *natural) +{ + ButtonData *button_data; + NautilusPathBar *self; + GList *list; + gint child_min, child_nat; + + self = NAUTILUS_PATH_BAR (widget); + + *minimum = *natural = 0; + + for (list = self->button_list; list; list = list->next) + { + button_data = BUTTON_DATA (list->data); + set_label_size_request (button_data); + + gtk_widget_get_preferred_height (button_data->button, &child_min, &child_nat); + + *minimum = MAX (*minimum, child_min); + *natural = MAX (*natural, child_nat); + } +} + +static void +nautilus_path_bar_unmap (GtkWidget *widget) +{ + NautilusPathBar *self; + + self = NAUTILUS_PATH_BAR (widget); + + gdk_window_hide (self->event_window); + + GTK_WIDGET_CLASS (nautilus_path_bar_parent_class)->unmap (widget); +} + +static void +nautilus_path_bar_map (GtkWidget *widget) +{ + NautilusPathBar *self; + + self = NAUTILUS_PATH_BAR (widget); + + gdk_window_show (self->event_window); + + GTK_WIDGET_CLASS (nautilus_path_bar_parent_class)->map (widget); +} + +#define BUTTON_BOTTOM_SHADOW 1 + +static void +union_with_clip (GtkWidget *widget, + gpointer clip) +{ + GtkAllocation widget_clip; + + if (!gtk_widget_is_drawable (widget)) + { + return; + } + + gtk_widget_get_clip (widget, &widget_clip); + + gdk_rectangle_union (&widget_clip, clip, clip); +} + +static void +_set_simple_bottom_clip (GtkWidget *widget, + gint pixels) +{ + GtkAllocation clip; + + gtk_widget_get_allocation (widget, &clip); + clip.height += pixels; + + gtk_container_forall (GTK_CONTAINER (widget), union_with_clip, &clip); + gtk_widget_set_clip (widget, &clip); +} + +/* This is a tad complicated */ +static void +nautilus_path_bar_size_allocate (GtkWidget *widget, + GtkAllocation *allocation) +{ + NautilusPathBar *self; + GtkWidget *child; + GtkTextDirection direction; + GtkAllocation child_allocation; + GList *list, *first_button; + gint width; + gint largest_width; + GtkRequisition child_requisition; + + self = NAUTILUS_PATH_BAR (widget); + + gtk_widget_set_allocation (widget, allocation); + + if (gtk_widget_get_realized (widget)) + { + gdk_window_move_resize (self->event_window, + allocation->x, allocation->y, + allocation->width, allocation->height); + } + + /* No path is set so we don't have to allocate anything. */ + if (self->button_list == NULL) + { + _set_simple_bottom_clip (widget, BUTTON_BOTTOM_SHADOW); + return; + } + direction = gtk_widget_get_direction (widget); + + width = 0; + + gtk_widget_get_preferred_size (BUTTON_DATA (self->button_list->data)->button, + &child_requisition, NULL); + width += child_requisition.width; + + for (list = self->button_list->next; list; list = list->next) + { + child = BUTTON_DATA (list->data)->button; + gtk_widget_get_preferred_size (child, &child_requisition, NULL); + width += child_requisition.width; + } + + if (width <= allocation->width) + { + first_button = g_list_last (self->button_list); + } + else + { + gboolean reached_end; + reached_end = FALSE; + + first_button = self->button_list; + + /* 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_preferred_size (BUTTON_DATA (first_button->data)->button, + &child_requisition, NULL); + width = child_requisition.width; + list = first_button->prev; + while (list && !reached_end) + { + child = BUTTON_DATA (list->data)->button; + gtk_widget_get_preferred_size (child, &child_requisition, NULL); + + if (width + child_requisition.width > allocation->width) + { + reached_end = TRUE; + } + else + { + width += child_requisition.width; + } + + 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_preferred_size (child, &child_requisition, NULL); + + if (width + child_requisition.width > allocation->width) + { + reached_end = TRUE; + } + else + { + width += child_requisition.width; + first_button = first_button->next; + } + } + } + + /* Now, we allocate space to the buttons */ + child_allocation.y = allocation->y; + child_allocation.height = allocation->height; + + if (direction == GTK_TEXT_DIR_RTL) + { + child_allocation.x = allocation->x + allocation->width; + } + else + { + child_allocation.x = allocation->x; + } + + /* Determine the largest possible allocation size */ + largest_width = allocation->width; + for (list = first_button; list; list = list->prev) + { + child = BUTTON_DATA (list->data)->button; + gtk_widget_get_preferred_size (child, &child_requisition, NULL); + + child_allocation.width = MIN (child_requisition.width, largest_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 */ + + gtk_widget_set_child_visible (child, TRUE); + gtk_widget_size_allocate (child, &child_allocation); + + if (direction == GTK_TEXT_DIR_LTR) + { + child_allocation.x += child_allocation.width; + } + } + /* Now we go hide all the widgets that don't fit */ + while (list) + { + child = BUTTON_DATA (list->data)->button; + gtk_widget_set_child_visible (child, FALSE); + list = list->prev; + } + for (list = first_button->next; list; list = list->next) + { + child = BUTTON_DATA (list->data)->button; + gtk_widget_set_child_visible (child, FALSE); + } + + _set_simple_bottom_clip (widget, BUTTON_BOTTOM_SHADOW); +} + +static void +nautilus_path_bar_style_updated (GtkWidget *widget) +{ + GTK_WIDGET_CLASS (nautilus_path_bar_parent_class)->style_updated (widget); + + nautilus_path_bar_check_icon_theme (NAUTILUS_PATH_BAR (widget)); +} + +static void +nautilus_path_bar_screen_changed (GtkWidget *widget, + GdkScreen *previous_screen) +{ + if (GTK_WIDGET_CLASS (nautilus_path_bar_parent_class)->screen_changed) + { + GTK_WIDGET_CLASS (nautilus_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 (NAUTILUS_PATH_BAR (widget), previous_screen); + } + nautilus_path_bar_check_icon_theme (NAUTILUS_PATH_BAR (widget)); +} + +static void +nautilus_path_bar_realize (GtkWidget *widget) +{ + NautilusPathBar *self; + GtkAllocation allocation; + GdkWindow *window; + GdkWindowAttr attributes; + gint attributes_mask; + + gtk_widget_set_realized (widget, TRUE); + + self = NAUTILUS_PATH_BAR (widget); + + window = gtk_widget_get_parent_window (widget); + gtk_widget_set_window (widget, window); + g_object_ref (window); + + gtk_widget_get_allocation (widget, &allocation); + + attributes.window_type = GDK_WINDOW_CHILD; + attributes.x = allocation.x; + attributes.y = allocation.y; + attributes.width = allocation.width; + attributes.height = allocation.height; + attributes.wclass = GDK_INPUT_ONLY; + attributes.event_mask = gtk_widget_get_events (widget); + attributes.event_mask |= + GDK_BUTTON_PRESS_MASK | + GDK_BUTTON_RELEASE_MASK | + GDK_POINTER_MOTION_MASK; + attributes_mask = GDK_WA_X | GDK_WA_Y; + + self->event_window = gdk_window_new (gtk_widget_get_parent_window (widget), + &attributes, attributes_mask); + gdk_window_set_user_data (self->event_window, widget); +} + +static void +nautilus_path_bar_unrealize (GtkWidget *widget) +{ + NautilusPathBar *self; + + self = NAUTILUS_PATH_BAR (widget); + + gdk_window_set_user_data (self->event_window, NULL); + gdk_window_destroy (self->event_window); + self->event_window = NULL; + + GTK_WIDGET_CLASS (nautilus_path_bar_parent_class)->unrealize (widget); +} + +static void +nautilus_path_bar_add (GtkContainer *container, + GtkWidget *widget) +{ + gtk_widget_set_parent (widget, GTK_WIDGET (container)); +} + +static void +nautilus_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 +button_data_free (ButtonData *button_data) +{ + g_object_unref (button_data->path); + g_free (button_data->dir_name); + if (button_data->file != NULL) + { + g_signal_handler_disconnect (button_data->file, + button_data->file_changed_signal_id); + nautilus_file_monitor_remove (button_data->file, button_data); + nautilus_file_unref (button_data->file); + } + + g_clear_object (&button_data->multi_press_gesture); + + g_free (button_data); +} + +static void +nautilus_path_bar_remove (GtkContainer *container, + GtkWidget *widget) +{ + NautilusPathBar *self; + GList *children; + + self = NAUTILUS_PATH_BAR (container); + + children = self->button_list; + while (children != NULL) + { + if (widget == BUTTON_DATA (children->data)->button) + { + nautilus_path_bar_remove_1 (container, widget); + self->button_list = g_list_remove_link (self->button_list, children); + button_data_free (children->data); + g_list_free_1 (children); + return; + } + children = children->next; + } +} + +static void +nautilus_path_bar_forall (GtkContainer *container, + gboolean include_internals, + GtkCallback callback, + gpointer callback_data) +{ + NautilusPathBar *self; + GList *children; + + g_return_if_fail (callback != NULL); + self = NAUTILUS_PATH_BAR (container); + + children = self->button_list; + while (children != NULL) + { + GtkWidget *child; + child = BUTTON_DATA (children->data)->button; + children = children->next; + (*callback)(child, callback_data); + } +} + +static GtkWidgetPath * +nautilus_path_bar_get_path_for_child (GtkContainer *container, + GtkWidget *child) +{ + NautilusPathBar *self; + GtkWidgetPath *path; + + self = NAUTILUS_PATH_BAR (container); + path = gtk_widget_path_copy (gtk_widget_get_path (GTK_WIDGET (self))); + + if (gtk_widget_get_visible (child) && + gtk_widget_get_child_visible (child)) + { + GtkWidgetPath *sibling_path; + GList *visible_children; + GList *l; + int pos; + + /* 1. Build the list of visible children, in visually left-to-right order + * (i.e. independently of the widget's direction). Note that our + * button_list is stored in innermost-to-outermost path order! + */ + + visible_children = NULL; + + for (l = self->button_list; l; l = l->next) + { + ButtonData *data = l->data; + + if (gtk_widget_get_visible (data->button) && + gtk_widget_get_child_visible (data->button)) + { + visible_children = g_list_prepend (visible_children, data->button); + } + } + + if (gtk_widget_get_direction (GTK_WIDGET (self)) == GTK_TEXT_DIR_RTL) + { + visible_children = g_list_reverse (visible_children); + } + + /* 2. Find the index of the child within that list */ + + pos = 0; + + for (l = visible_children; l; l = l->next) + { + GtkWidget *button = l->data; + + if (button == child) + { + break; + } + + pos++; + } + + /* 3. Build the path */ + + sibling_path = gtk_widget_path_new (); + + for (l = visible_children; l; l = l->next) + { + gtk_widget_path_append_for_widget (sibling_path, l->data); + } + + gtk_widget_path_append_with_siblings (path, sibling_path, pos); + + g_list_free (visible_children); + gtk_widget_path_unref (sibling_path); + } + else + { + gtk_widget_path_append_for_widget (path, child); + } + + return path; +} + +static void +nautilus_path_bar_class_init (NautilusPathBarClass *path_bar_class) +{ + GObjectClass *gobject_class; + GtkWidgetClass *widget_class; + GtkContainerClass *container_class; + + gobject_class = (GObjectClass *) path_bar_class; + widget_class = (GtkWidgetClass *) path_bar_class; + container_class = (GtkContainerClass *) path_bar_class; + + gobject_class->finalize = nautilus_path_bar_finalize; + gobject_class->dispose = nautilus_path_bar_dispose; + + widget_class->get_preferred_height = nautilus_path_bar_get_preferred_height; + widget_class->get_preferred_width = nautilus_path_bar_get_preferred_width; + widget_class->realize = nautilus_path_bar_realize; + widget_class->unrealize = nautilus_path_bar_unrealize; + widget_class->unmap = nautilus_path_bar_unmap; + widget_class->map = nautilus_path_bar_map; + widget_class->size_allocate = nautilus_path_bar_size_allocate; + widget_class->style_updated = nautilus_path_bar_style_updated; + widget_class->screen_changed = nautilus_path_bar_screen_changed; + + container_class->add = nautilus_path_bar_add; + container_class->forall = nautilus_path_bar_forall; + container_class->remove = nautilus_path_bar_remove; + container_class->get_path_for_child = nautilus_path_bar_get_path_for_child; + + path_bar_signals [OPEN_LOCATION] = + g_signal_new ("open-location", + G_OBJECT_CLASS_TYPE (path_bar_class), + G_SIGNAL_RUN_FIRST | G_SIGNAL_RUN_LAST, + 0, + NULL, NULL, NULL, + G_TYPE_NONE, 2, + G_TYPE_FILE, + GTK_TYPE_PLACES_OPEN_FLAGS); + path_bar_signals [PATH_CLICKED] = + g_signal_new ("path-clicked", + G_OBJECT_CLASS_TYPE (path_bar_class), + G_SIGNAL_RUN_FIRST, + 0, + NULL, NULL, + g_cclosure_marshal_VOID__OBJECT, + G_TYPE_NONE, 1, + G_TYPE_FILE); + + gtk_container_class_handle_border_width (container_class); +} + +void +nautilus_path_bar_set_extensions_background_menu (NautilusPathBar *self, + GMenuModel *menu) +{ + g_return_if_fail (NAUTILUS_IS_PATH_BAR (self)); + + nautilus_gmenu_set_from_model (self->extensions_section, menu); +} + +void +nautilus_path_bar_set_templates_menu (NautilusPathBar *self, + GMenuModel *menu) +{ + g_return_if_fail (NAUTILUS_IS_PATH_BAR (self)); + + nautilus_gmenu_set_from_model (self->templates_submenu, menu); +} + +/* Changes the icons wherever it is needed */ +static void +reload_icons (NautilusPathBar *self) +{ + GList *list; + + for (list = self->button_list; list; list = list->next) + { + ButtonData *button_data; + + button_data = BUTTON_DATA (list->data); + if (button_data->type != NORMAL_BUTTON || button_data->is_root) + { + nautilus_path_bar_update_button_appearance (button_data, + list->next == NULL); + } + } +} + +/* Callback used when a GtkSettings value changes */ +static void +settings_notify_cb (GObject *object, + GParamSpec *pspec, + NautilusPathBar *self) +{ + const char *name; + + name = g_param_spec_get_name (pspec); + + if (!strcmp (name, "gtk-icon-theme-name") || !strcmp (name, "gtk-icon-sizes")) + { + reload_icons (self); + } +} + +static void +nautilus_path_bar_check_icon_theme (NautilusPathBar *self) +{ + GtkSettings *settings; + + if (self->settings_signal_id) + { + return; + } + + settings = gtk_settings_get_for_screen (gtk_widget_get_screen (GTK_WIDGET (self))); + self->settings_signal_id = g_signal_connect (settings, "notify", G_CALLBACK (settings_notify_cb), self); + + reload_icons (self); +} + +/* Public functions and their helpers */ +static void +nautilus_path_bar_clear_buttons (NautilusPathBar *self) +{ + while (self->button_list != NULL) + { + ButtonData *button_data; + + button_data = BUTTON_DATA (self->button_list->data); + + gtk_container_remove (GTK_CONTAINER (self), button_data->button); + } +} + +static void +button_clicked_cb (GtkButton *button, + gpointer data) +{ + ButtonData *button_data; + NautilusPathBar *self; + GdkModifierType state; + + button_data = BUTTON_DATA (data); + if (button_data->ignore_changes) + { + return; + } + + self = button_data->path_bar; + + gtk_get_current_event_state (&state); + + if ((state & GDK_CONTROL_MASK) != 0) + { + g_signal_emit (button_data->path_bar, path_bar_signals[OPEN_LOCATION], 0, + button_data->path, + GTK_PLACES_OPEN_NEW_WINDOW); + } + else + { + if (g_file_equal (button_data->path, self->current_path)) + { + gtk_popover_popup (self->current_view_menu_popover); + } + else + { + g_signal_emit (self, path_bar_signals[OPEN_LOCATION], 0, + button_data->path, + 0); + } + } +} + +static void +real_pop_up_pathbar_context_menu (NautilusPathBar *self) +{ + gtk_popover_popup (self->button_menu_popover); +} + +static void +pathbar_popup_file_attributes_ready (NautilusFile *file, + gpointer data) +{ + NautilusPathBar *self; + + g_return_if_fail (NAUTILUS_IS_PATH_BAR (data)); + + self = NAUTILUS_PATH_BAR (data); + + g_return_if_fail (file == self->context_menu_file); + + real_pop_up_pathbar_context_menu (self); +} + +static void +unschedule_pop_up_context_menu (NautilusPathBar *self) +{ + if (self->context_menu_file != NULL) + { + g_return_if_fail (NAUTILUS_IS_FILE (self->context_menu_file)); + nautilus_file_cancel_call_when_ready (self->context_menu_file, + pathbar_popup_file_attributes_ready, + self); + g_clear_pointer (&self->context_menu_file, nautilus_file_unref); + } +} + +static void +schedule_pop_up_context_menu (NautilusPathBar *self, + NautilusFile *file) +{ + g_return_if_fail (NAUTILUS_IS_FILE (file)); + + if (file == self->context_menu_file) + { + if (nautilus_file_check_if_ready (file, + NAUTILUS_FILE_ATTRIBUTE_INFO | + NAUTILUS_FILE_ATTRIBUTE_MOUNT | + NAUTILUS_FILE_ATTRIBUTE_FILESYSTEM_INFO)) + { + real_pop_up_pathbar_context_menu (self); + } + } + else + { + unschedule_pop_up_context_menu (self); + + self->context_menu_file = nautilus_file_ref (file); + nautilus_file_call_when_ready (self->context_menu_file, + NAUTILUS_FILE_ATTRIBUTE_INFO | + NAUTILUS_FILE_ATTRIBUTE_MOUNT | + NAUTILUS_FILE_ATTRIBUTE_FILESYSTEM_INFO, + pathbar_popup_file_attributes_ready, + self); + } +} + +static void +pop_up_pathbar_context_menu (NautilusPathBar *self, + NautilusFile *file) +{ + if (file != NULL) + { + schedule_pop_up_context_menu (self, file); + } +} + + +static void +on_multi_press_gesture_pressed (GtkGestureMultiPress *gesture, + gint n_press, + gdouble x, + gdouble y, + gpointer user_data) +{ + ButtonData *button_data; + NautilusPathBar *self; + guint current_button; + + if (n_press != 1) + { + return; + } + + button_data = BUTTON_DATA (user_data); + self = button_data->path_bar; + current_button = gtk_gesture_single_get_current_button (GTK_GESTURE_SINGLE (gesture)); + + switch (current_button) + { + case GDK_BUTTON_MIDDLE: + { + GdkModifierType state; + + gtk_get_current_event_state (&state); + state &= gtk_accelerator_get_default_mod_mask (); + if (state == 0) + { + g_signal_emit (self, path_bar_signals[OPEN_LOCATION], 0, + button_data->path, + GTK_PLACES_OPEN_NEW_TAB); + } + } + break; + + case GDK_BUTTON_SECONDARY: + { + if (g_file_equal (button_data->path, self->current_path)) + { + gtk_popover_popup (self->current_view_menu_popover); + } + else + { + gtk_popover_set_relative_to (self->button_menu_popover, + button_data->button); + pop_up_pathbar_context_menu (self, button_data->file); + } + } + break; + + default: + { + /* Ignore other buttons in this gesture. GtkButton will claim the + * primary button presses and emit the "clicked" signal. + */ + return; + } + break; + } + + /* Both middle- and secondary-clicking the title bar can have interesting + * effects (minimizing the window, popping up a window manager menu, etc.), + * and this avoids all that. + */ + gtk_gesture_set_state (GTK_GESTURE (gesture), GTK_EVENT_SEQUENCE_CLAIMED); +} + +static GIcon * +get_gicon_for_mount (ButtonData *button_data) +{ + GIcon *icon; + GMount *mount; + + icon = NULL; + mount = nautilus_get_mounted_mount_for_root (button_data->path); + + if (mount != NULL) + { + icon = g_mount_get_symbolic_icon (mount); + g_object_unref (mount); + } + + return icon; +} + +static GIcon * +get_gicon (ButtonData *button_data) +{ + switch (button_data->type) + { + case ROOT_BUTTON: + case ADMIN_ROOT_BUTTON: + { + return g_themed_icon_new (NAUTILUS_ICON_FILESYSTEM); + } + + case HOME_BUTTON: + { + return g_themed_icon_new (NAUTILUS_ICON_HOME); + } + + case MOUNT_BUTTON: + { + return get_gicon_for_mount (button_data); + } + + case STARRED_BUTTON: + { + return g_themed_icon_new ("starred-symbolic"); + } + + case RECENT_BUTTON: + { + return g_themed_icon_new ("document-open-recent-symbolic"); + } + + case OTHER_LOCATIONS_BUTTON: + { + return g_themed_icon_new ("list-add-symbolic"); + } + + case TRASH_BUTTON: + { + return nautilus_trash_monitor_get_symbolic_icon (); + } + + default: + return NULL; + } + + return NULL; +} + +static void +nautilus_path_bar_update_button_appearance (ButtonData *button_data, + gboolean current_dir) +{ + const gchar *dir_name = get_dir_name (button_data); + GIcon *icon; + + if (button_data->label != NULL) + { + gtk_label_set_text (GTK_LABEL (button_data->label), dir_name); + } + + icon = get_gicon (button_data); + if (icon != NULL) + { + gtk_image_set_from_gicon (GTK_IMAGE (button_data->image), icon, GTK_ICON_SIZE_MENU); + gtk_style_context_add_class (gtk_widget_get_style_context (button_data->button), + "image-button"); + gtk_widget_show (GTK_WIDGET (button_data->image)); + g_object_unref (icon); + } + else + { + gtk_widget_hide (GTK_WIDGET (button_data->image)); + if (!current_dir) + { + gtk_style_context_remove_class (gtk_widget_get_style_context (button_data->button), + "image-button"); + } + } +} + +static void +nautilus_path_bar_update_button_state (ButtonData *button_data, + gboolean current_dir) +{ + if (button_data->label != NULL) + { + gtk_label_set_label (GTK_LABEL (button_data->label), NULL); + gtk_label_set_use_markup (GTK_LABEL (button_data->label), current_dir); + } + + nautilus_path_bar_update_button_appearance (button_data, current_dir); +} + +static void +setup_button_type (ButtonData *button_data, + NautilusPathBar *self, + GFile *location) +{ + g_autoptr (GMount) mount = NULL; + g_autofree gchar *uri = NULL; + + if (nautilus_is_root_directory (location)) + { + button_data->type = ROOT_BUTTON; + } + else if (nautilus_is_home_directory (location)) + { + button_data->type = HOME_BUTTON; + button_data->is_root = TRUE; + } + else if (nautilus_is_recent_directory (location)) + { + button_data->type = RECENT_BUTTON; + button_data->is_root = TRUE; + } + else if (nautilus_is_starred_directory (location)) + { + button_data->type = STARRED_BUTTON; + button_data->is_root = TRUE; + } + else if ((mount = nautilus_get_mounted_mount_for_root (location)) != NULL) + { + button_data->dir_name = g_mount_get_name (mount); + button_data->type = MOUNT_BUTTON; + button_data->is_root = TRUE; + } + else if (nautilus_is_other_locations_directory (location)) + { + button_data->type = OTHER_LOCATIONS_BUTTON; + button_data->is_root = TRUE; + } + else if (strcmp ((uri = g_file_get_uri (location)), "admin:///") == 0) + { + button_data->type = ADMIN_ROOT_BUTTON; + button_data->is_root = TRUE; + } + else if (strcmp (uri, "trash:///") == 0) + { + button_data->type = TRASH_BUTTON; + button_data->is_root = TRUE; + } + else + { + button_data->type = NORMAL_BUTTON; + } +} + +static void +button_data_file_changed (NautilusFile *file, + ButtonData *button_data) +{ + GtkWidget *ancestor; + GFile *location; + GFile *current_location; + GFile *parent; + GFile *button_parent; + ButtonData *current_button_data; + char *display_name; + NautilusPathBar *self; + gboolean renamed; + gboolean child; + gboolean current_dir; + + ancestor = gtk_widget_get_ancestor (button_data->button, NAUTILUS_TYPE_PATH_BAR); + if (ancestor == NULL) + { + return; + } + self = NAUTILUS_PATH_BAR (ancestor); + + g_return_if_fail (self->current_path != NULL); + g_return_if_fail (self->current_button_data != NULL); + + current_button_data = self->current_button_data; + + location = nautilus_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, + self->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 (self->current_path); + } + else + { + /* moved current path, or file outside current path hierarchy. + * Update path bar to new locations. + */ + current_location = nautilus_file_get_location (current_button_data->file); + } + + nautilus_path_bar_update_path (self, location); + nautilus_path_bar_set_path (self, current_location); + g_object_unref (location); + g_object_unref (current_location); + return; + } + } + else if (nautilus_file_is_gone (file)) + { + gint idx, position; + + /* if the current or a parent location are gone, clear all the buttons, + * the view will set the new path. + */ + current_location = nautilus_file_get_location (current_button_data->file); + + if (g_file_has_prefix (current_location, location) || + g_file_equal (current_location, location)) + { + nautilus_path_bar_clear_buttons (self); + } + else if (g_file_has_prefix (location, current_location)) + { + /* remove this and the following buttons */ + position = g_list_position (self->button_list, + g_list_find (self->button_list, button_data)); + + if (position != -1) + { + for (idx = 0; idx <= position; idx++) + { + ButtonData *data; + + data = BUTTON_DATA (self->button_list->data); + + gtk_container_remove (GTK_CONTAINER (self), data->button); + } + } + } + + g_object_unref (current_location); + 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 = nautilus_file_get_display_name (file); + if (g_strcmp0 (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); + } + current_dir = g_file_equal (self->current_path, button_data->path); + nautilus_path_bar_update_button_appearance (button_data, current_dir); +} + +static ButtonData * +make_button_data (NautilusPathBar *self, + NautilusFile *file, + gboolean current_dir) +{ + GFile *path; + ButtonData *button_data; + GtkStyleContext *style_context; + + path = nautilus_file_get_location (file); + + /* Is it a special button? */ + button_data = g_new0 (ButtonData, 1); + + setup_button_type (button_data, self, path); + button_data->button = gtk_button_new (); + gtk_widget_set_focus_on_click (button_data->button, FALSE); + + style_context = gtk_widget_get_style_context (button_data->button); + gtk_style_context_add_class (style_context, "text-button"); + /* TODO update button type when xdg directories change */ + + button_data->image = gtk_image_new (); + + switch (button_data->type) + { + case ROOT_BUTTON: + case ADMIN_ROOT_BUTTON: + case HOME_BUTTON: + case MOUNT_BUTTON: + case TRASH_BUTTON: + case RECENT_BUTTON: + case STARRED_BUTTON: + case OTHER_LOCATIONS_BUTTON: + { + button_data->label = gtk_label_new (NULL); + button_data->disclosure_arrow = gtk_image_new_from_icon_name ("pan-down-symbolic", + GTK_ICON_SIZE_MENU); + gtk_widget_set_margin_start (button_data->disclosure_arrow, 0); + button_data->container = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6); + gtk_container_add (GTK_CONTAINER (button_data->button), button_data->container); + + gtk_box_pack_start (GTK_BOX (button_data->container), button_data->image, FALSE, FALSE, 0); + gtk_box_pack_start (GTK_BOX (button_data->container), button_data->label, FALSE, FALSE, 0); + gtk_box_pack_start (GTK_BOX (button_data->container), button_data->disclosure_arrow, FALSE, FALSE, 0); + } + break; + + case NORMAL_BUTTON: + /* Fall through */ + default: + { + button_data->label = gtk_label_new (NULL); + button_data->disclosure_arrow = gtk_image_new_from_icon_name ("pan-down-symbolic", + GTK_ICON_SIZE_MENU); + gtk_widget_set_margin_start (button_data->disclosure_arrow, 0); + button_data->container = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6); + gtk_container_add (GTK_CONTAINER (button_data->button), button_data->container); + + gtk_box_pack_start (GTK_BOX (button_data->container), button_data->label, FALSE, FALSE, 0); + gtk_box_pack_start (GTK_BOX (button_data->container), button_data->disclosure_arrow, FALSE, FALSE, 0); + } + break; + } + + gtk_widget_set_no_show_all (button_data->disclosure_arrow, TRUE); + if (current_dir) + { + gtk_widget_show (button_data->disclosure_arrow); + gtk_popover_set_relative_to (self->current_view_menu_popover, button_data->button); + gtk_style_context_add_class (gtk_widget_get_style_context (button_data->button), + "image-button"); + } + + if (button_data->label != NULL) + { + gtk_label_set_ellipsize (GTK_LABEL (button_data->label), PANGO_ELLIPSIZE_MIDDLE); + gtk_label_set_single_line_mode (GTK_LABEL (button_data->label), TRUE); + } + + if (button_data->path == NULL) + { + button_data->path = g_object_ref (path); + } + if (button_data->dir_name == NULL) + { + button_data->dir_name = nautilus_file_get_display_name (file); + } + if (button_data->file == NULL) + { + button_data->file = nautilus_file_ref (file); + nautilus_file_monitor_add (button_data->file, button_data, + NAUTILUS_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); + } + + gtk_widget_show_all (button_data->button); + + nautilus_path_bar_update_button_state (button_data, current_dir); + + button_data->path_bar = self; + + g_signal_connect (button_data->button, "clicked", G_CALLBACK (button_clicked_cb), button_data); + + /* A gesture is needed here, because GtkButton doesn’t react to middle- or + * secondary-clicking. + */ + button_data->multi_press_gesture = gtk_gesture_multi_press_new (button_data->button); + + gtk_gesture_single_set_button (GTK_GESTURE_SINGLE (button_data->multi_press_gesture), 0); + + g_signal_connect (button_data->multi_press_gesture, "pressed", + G_CALLBACK (on_multi_press_gesture_pressed), button_data); + + nautilus_drag_slot_proxy_init (button_data->button, button_data->file, NULL); + + g_object_unref (path); + + return button_data; +} + +static void +nautilus_path_bar_update_path (NautilusPathBar *self, + GFile *file_path) +{ + NautilusFile *file; + gboolean first_directory; + GList *new_buttons, *l; + ButtonData *button_data; + + g_return_if_fail (NAUTILUS_IS_PATH_BAR (self)); + g_return_if_fail (file_path != NULL); + + first_directory = TRUE; + new_buttons = NULL; + + file = nautilus_file_get (file_path); + + while (file != NULL) + { + NautilusFile *parent_file; + + parent_file = nautilus_file_get_parent (file); + button_data = make_button_data (self, file, first_directory); + nautilus_file_unref (file); + + if (first_directory) + { + first_directory = FALSE; + } + + new_buttons = g_list_prepend (new_buttons, button_data); + + if (parent_file != NULL && + button_data->is_root) + { + nautilus_file_unref (parent_file); + break; + } + + file = parent_file; + } + + nautilus_path_bar_clear_buttons (self); + self->button_list = g_list_reverse (new_buttons); + + for (l = self->button_list; l; l = l->next) + { + GtkWidget *button; + button = BUTTON_DATA (l->data)->button; + gtk_container_add (GTK_CONTAINER (self), button); + } +} + +void +nautilus_path_bar_set_path (NautilusPathBar *self, + GFile *file_path) +{ + ButtonData *button_data; + + g_return_if_fail (NAUTILUS_IS_PATH_BAR (self)); + g_return_if_fail (file_path != NULL); + + /* Check whether the new path is already present in the pathbar as buttons. + * This could be a parent directory or a previous selected subdirectory. */ + nautilus_path_bar_update_path (self, file_path); + button_data = g_list_nth_data (self->button_list, 0); + + if (self->current_path != NULL) + { + g_object_unref (self->current_path); + } + + self->current_path = g_object_ref (file_path); + self->current_button_data = button_data; +} |