1 /* -*- Mode: C; c-file-style: "gnu"; tab-width: 8 -*- */
3 * Copyright (C) 2004 Red Hat, Inc., Jonathan Blandford <jrb@gnome.org>
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Library General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Library General Public License for more details.
15 * You should have received a copy of the GNU Library General Public
16 * License along with this library; if not, write to the
17 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18 * Boston, MA 02111-1307, USA.
23 #include "gtkpathbar.h"
24 #include "gtktogglebutton.h"
25 #include "gtkalignment.h"
30 #include "gtkicontheme.h"
31 #include "gtkiconfactory.h"
35 #include "gtkmarshalers.h"
50 #define BUTTON_DATA(x) ((ButtonData *)(x))
52 #define SCROLL_DELAY_FACTOR 5
54 static guint path_bar_signals [LAST_SIGNAL] = { 0 };
56 /* Icon size for if we can't get it from the theme */
57 #define FALLBACK_ICON_SIZE 16
59 typedef struct _ButtonData ButtonData;
69 GCancellable *cancellable;
70 guint ignore_changes : 1;
71 guint file_is_hidden : 1;
73 /* This macro is used to check if a button can be used as a fake root.
74 * All buttons in front of a fake root are automatically hidden when in a
75 * directory below a fake root and replaced with the "<" arrow button.
77 #define BUTTON_IS_FAKE_ROOT(button) ((button)->type == HOME_BUTTON)
79 G_DEFINE_TYPE (GtkPathBar, gtk_path_bar, GTK_TYPE_CONTAINER)
81 static void gtk_path_bar_finalize (GObject *object);
82 static void gtk_path_bar_dispose (GObject *object);
83 static void gtk_path_bar_realize (GtkWidget *widget);
84 static void gtk_path_bar_unrealize (GtkWidget *widget);
85 static void gtk_path_bar_size_request (GtkWidget *widget,
86 GtkRequisition *requisition);
87 static void gtk_path_bar_map (GtkWidget *widget);
88 static void gtk_path_bar_unmap (GtkWidget *widget);
89 static void gtk_path_bar_size_allocate (GtkWidget *widget,
90 GtkAllocation *allocation);
91 static void gtk_path_bar_add (GtkContainer *container,
93 static void gtk_path_bar_remove (GtkContainer *container,
95 static void gtk_path_bar_forall (GtkContainer *container,
96 gboolean include_internals,
98 gpointer callback_data);
99 static gboolean gtk_path_bar_scroll (GtkWidget *widget,
100 GdkEventScroll *event);
101 static void gtk_path_bar_scroll_up (GtkPathBar *path_bar);
102 static void gtk_path_bar_scroll_down (GtkPathBar *path_bar);
103 static void gtk_path_bar_stop_scrolling (GtkPathBar *path_bar);
104 static gboolean gtk_path_bar_slider_up_defocus (GtkWidget *widget,
105 GdkEventButton *event,
106 GtkPathBar *path_bar);
107 static gboolean gtk_path_bar_slider_down_defocus (GtkWidget *widget,
108 GdkEventButton *event,
109 GtkPathBar *path_bar);
110 static gboolean gtk_path_bar_slider_button_press (GtkWidget *widget,
111 GdkEventButton *event,
112 GtkPathBar *path_bar);
113 static gboolean gtk_path_bar_slider_button_release(GtkWidget *widget,
114 GdkEventButton *event,
115 GtkPathBar *path_bar);
116 static void gtk_path_bar_grab_notify (GtkWidget *widget,
117 gboolean was_grabbed);
118 static void gtk_path_bar_state_changed (GtkWidget *widget,
119 GtkStateType previous_state);
120 static void gtk_path_bar_style_set (GtkWidget *widget,
121 GtkStyle *previous_style);
122 static void gtk_path_bar_screen_changed (GtkWidget *widget,
123 GdkScreen *previous_screen);
124 static void gtk_path_bar_check_icon_theme (GtkPathBar *path_bar);
125 static void gtk_path_bar_update_button_appearance (GtkPathBar *path_bar,
126 ButtonData *button_data,
127 gboolean current_dir);
130 on_slider_unmap (GtkWidget *widget,
131 GtkPathBar *path_bar)
133 if (path_bar->timer &&
134 ((widget == path_bar->up_slider_button && path_bar->scrolling_up) ||
135 (widget == path_bar->down_slider_button && path_bar->scrolling_down)))
136 gtk_path_bar_stop_scrolling (path_bar);
140 get_slider_button (GtkPathBar *path_bar,
141 GtkArrowType arrow_type)
146 gtk_widget_push_composite_child ();
148 button = gtk_button_new ();
149 atk_obj = gtk_widget_get_accessible (button);
150 if (arrow_type == GTK_ARROW_LEFT)
151 atk_object_set_name (atk_obj, _("Up Path"));
153 atk_object_set_name (atk_obj, _("Down Path"));
155 gtk_button_set_focus_on_click (GTK_BUTTON (button), FALSE);
156 gtk_container_add (GTK_CONTAINER (button),
157 gtk_arrow_new (arrow_type, GTK_SHADOW_OUT));
158 gtk_container_add (GTK_CONTAINER (path_bar), button);
159 gtk_widget_show_all (button);
161 g_signal_connect (G_OBJECT (button), "unmap",
162 G_CALLBACK (on_slider_unmap), path_bar);
164 gtk_widget_pop_composite_child ();
170 gtk_path_bar_init (GtkPathBar *path_bar)
172 GTK_WIDGET_SET_FLAGS (path_bar, GTK_NO_WINDOW);
173 gtk_widget_set_redraw_on_allocate (GTK_WIDGET (path_bar), FALSE);
175 path_bar->get_info_cancellable = NULL;
177 path_bar->spacing = 0;
178 path_bar->up_slider_button = get_slider_button (path_bar, GTK_ARROW_LEFT);
179 path_bar->down_slider_button = get_slider_button (path_bar, GTK_ARROW_RIGHT);
180 path_bar->icon_size = FALLBACK_ICON_SIZE;
182 g_signal_connect_swapped (path_bar->up_slider_button, "clicked",
183 G_CALLBACK (gtk_path_bar_scroll_up), path_bar);
184 g_signal_connect_swapped (path_bar->down_slider_button, "clicked",
185 G_CALLBACK (gtk_path_bar_scroll_down), path_bar);
187 g_signal_connect (path_bar->up_slider_button, "focus-out-event",
188 G_CALLBACK (gtk_path_bar_slider_up_defocus), path_bar);
189 g_signal_connect (path_bar->down_slider_button, "focus-out-event",
190 G_CALLBACK (gtk_path_bar_slider_down_defocus), path_bar);
192 g_signal_connect (path_bar->up_slider_button, "button-press-event",
193 G_CALLBACK (gtk_path_bar_slider_button_press), path_bar);
194 g_signal_connect (path_bar->up_slider_button, "button-release-event",
195 G_CALLBACK (gtk_path_bar_slider_button_release), path_bar);
196 g_signal_connect (path_bar->down_slider_button, "button-press-event",
197 G_CALLBACK (gtk_path_bar_slider_button_press), path_bar);
198 g_signal_connect (path_bar->down_slider_button, "button-release-event",
199 G_CALLBACK (gtk_path_bar_slider_button_release), path_bar);
203 gtk_path_bar_class_init (GtkPathBarClass *path_bar_class)
205 GObjectClass *gobject_class;
206 GtkObjectClass *object_class;
207 GtkWidgetClass *widget_class;
208 GtkContainerClass *container_class;
210 gobject_class = (GObjectClass *) path_bar_class;
211 object_class = (GtkObjectClass *) path_bar_class;
212 widget_class = (GtkWidgetClass *) path_bar_class;
213 container_class = (GtkContainerClass *) path_bar_class;
215 gobject_class->finalize = gtk_path_bar_finalize;
216 gobject_class->dispose = gtk_path_bar_dispose;
218 widget_class->size_request = gtk_path_bar_size_request;
219 widget_class->realize = gtk_path_bar_realize;
220 widget_class->unrealize = gtk_path_bar_unrealize;
221 widget_class->map = gtk_path_bar_map;
222 widget_class->unmap = gtk_path_bar_unmap;
223 widget_class->size_allocate = gtk_path_bar_size_allocate;
224 widget_class->style_set = gtk_path_bar_style_set;
225 widget_class->screen_changed = gtk_path_bar_screen_changed;
226 widget_class->grab_notify = gtk_path_bar_grab_notify;
227 widget_class->state_changed = gtk_path_bar_state_changed;
228 widget_class->scroll_event = gtk_path_bar_scroll;
230 container_class->add = gtk_path_bar_add;
231 container_class->forall = gtk_path_bar_forall;
232 container_class->remove = gtk_path_bar_remove;
234 /* container_class->child_type = gtk_path_bar_child_type;*/
236 path_bar_signals [PATH_CLICKED] =
237 g_signal_new (I_("path-clicked"),
238 G_OBJECT_CLASS_TYPE (object_class),
240 G_STRUCT_OFFSET (GtkPathBarClass, path_clicked),
242 _gtk_marshal_VOID__POINTER_POINTER_BOOLEAN,
251 gtk_path_bar_finalize (GObject *object)
253 GtkPathBar *path_bar;
255 path_bar = GTK_PATH_BAR (object);
257 gtk_path_bar_stop_scrolling (path_bar);
259 g_list_free (path_bar->button_list);
260 if (path_bar->root_file)
261 g_object_unref (path_bar->root_file);
262 if (path_bar->home_file)
263 g_object_unref (path_bar->home_file);
264 if (path_bar->desktop_file)
265 g_object_unref (path_bar->desktop_file);
267 if (path_bar->root_icon)
268 g_object_unref (path_bar->root_icon);
269 if (path_bar->home_icon)
270 g_object_unref (path_bar->home_icon);
271 if (path_bar->desktop_icon)
272 g_object_unref (path_bar->desktop_icon);
274 if (path_bar->file_system)
275 g_object_unref (path_bar->file_system);
277 G_OBJECT_CLASS (gtk_path_bar_parent_class)->finalize (object);
280 /* Removes the settings signal handler. It's safe to call multiple times */
282 remove_settings_signal (GtkPathBar *path_bar,
285 if (path_bar->settings_signal_id)
287 GtkSettings *settings;
289 settings = gtk_settings_get_for_screen (screen);
290 g_signal_handler_disconnect (settings,
291 path_bar->settings_signal_id);
292 path_bar->settings_signal_id = 0;
297 gtk_path_bar_dispose (GObject *object)
299 GtkPathBar *path_bar = GTK_PATH_BAR (object);
301 remove_settings_signal (path_bar, gtk_widget_get_screen (GTK_WIDGET (object)));
303 if (path_bar->get_info_cancellable)
304 g_cancellable_cancel (path_bar->get_info_cancellable);
305 path_bar->get_info_cancellable = NULL;
307 G_OBJECT_CLASS (gtk_path_bar_parent_class)->dispose (object);
312 * Ideally, our size is determined by another widget, and we are just filling
316 gtk_path_bar_size_request (GtkWidget *widget,
317 GtkRequisition *requisition)
319 ButtonData *button_data;
320 GtkPathBar *path_bar;
321 GtkRequisition child_requisition;
324 path_bar = GTK_PATH_BAR (widget);
326 requisition->width = 0;
327 requisition->height = 0;
329 for (list = path_bar->button_list; list; list = list->next)
331 button_data = BUTTON_DATA (list->data);
332 gtk_widget_size_request (button_data->button, &child_requisition);
334 if (button_data->type == NORMAL_BUTTON)
335 /* Use 2*Height as button width because of ellipsized label. */
336 requisition->width = MAX (child_requisition.height * 2, requisition->width);
338 requisition->width = MAX (child_requisition.width, requisition->width);
340 requisition->height = MAX (child_requisition.height, requisition->height);
343 /* Add space for slider, if we have more than one path */
344 /* Theoretically, the slider could be bigger than the other button. But we're
345 * not going to worry about that now.
347 path_bar->slider_width = MIN(requisition->height * 2 / 3 + 5, requisition->height);
348 if (path_bar->button_list && path_bar->button_list->next != NULL)
349 requisition->width += (path_bar->spacing + path_bar->slider_width) * 2;
351 gtk_widget_size_request (path_bar->up_slider_button, &child_requisition);
352 gtk_widget_size_request (path_bar->down_slider_button, &child_requisition);
354 requisition->width += GTK_CONTAINER (widget)->border_width * 2;
355 requisition->height += GTK_CONTAINER (widget)->border_width * 2;
357 widget->requisition = *requisition;
361 gtk_path_bar_update_slider_buttons (GtkPathBar *path_bar)
363 if (path_bar->button_list)
367 button = BUTTON_DATA (path_bar->button_list->data)->button;
368 if (gtk_widget_get_child_visible (button))
370 gtk_path_bar_stop_scrolling (path_bar);
371 gtk_widget_set_sensitive (path_bar->down_slider_button, FALSE);
374 gtk_widget_set_sensitive (path_bar->down_slider_button, TRUE);
376 button = BUTTON_DATA (g_list_last (path_bar->button_list)->data)->button;
377 if (gtk_widget_get_child_visible (button))
379 gtk_path_bar_stop_scrolling (path_bar);
380 gtk_widget_set_sensitive (path_bar->up_slider_button, FALSE);
383 gtk_widget_set_sensitive (path_bar->up_slider_button, TRUE);
388 gtk_path_bar_map (GtkWidget *widget)
390 gdk_window_show (GTK_PATH_BAR (widget)->event_window);
392 GTK_WIDGET_CLASS (gtk_path_bar_parent_class)->map (widget);
396 gtk_path_bar_unmap (GtkWidget *widget)
398 gtk_path_bar_stop_scrolling (GTK_PATH_BAR (widget));
399 gdk_window_hide (GTK_PATH_BAR (widget)->event_window);
401 GTK_WIDGET_CLASS (gtk_path_bar_parent_class)->unmap (widget);
405 gtk_path_bar_realize (GtkWidget *widget)
407 GtkPathBar *path_bar;
408 GdkWindowAttr attributes;
409 gint attributes_mask;
411 GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);
413 path_bar = GTK_PATH_BAR (widget);
414 widget->window = gtk_widget_get_parent_window (widget);
415 g_object_ref (widget->window);
417 attributes.window_type = GDK_WINDOW_CHILD;
418 attributes.x = widget->allocation.x;
419 attributes.y = widget->allocation.y;
420 attributes.width = widget->allocation.width;
421 attributes.height = widget->allocation.height;
422 attributes.wclass = GDK_INPUT_ONLY;
423 attributes.event_mask = gtk_widget_get_events (widget);
424 attributes.event_mask |= GDK_SCROLL_MASK;
425 attributes_mask = GDK_WA_X | GDK_WA_Y;
427 path_bar->event_window = gdk_window_new (gtk_widget_get_parent_window (widget),
428 &attributes, attributes_mask);
429 gdk_window_set_user_data (path_bar->event_window, widget);
431 widget->style = gtk_style_attach (widget->style, widget->window);
435 gtk_path_bar_unrealize (GtkWidget *widget)
437 GtkPathBar *path_bar;
439 path_bar = GTK_PATH_BAR (widget);
441 gdk_window_set_user_data (path_bar->event_window, NULL);
442 gdk_window_destroy (path_bar->event_window);
443 path_bar->event_window = NULL;
445 GTK_WIDGET_CLASS (gtk_path_bar_parent_class)->unrealize (widget);
448 /* This is a tad complicated
451 gtk_path_bar_size_allocate (GtkWidget *widget,
452 GtkAllocation *allocation)
455 GtkPathBar *path_bar = GTK_PATH_BAR (widget);
456 GtkTextDirection direction;
457 GtkAllocation child_allocation;
458 GList *list, *first_button;
460 gint allocation_width;
462 gboolean need_sliders = FALSE;
463 gint up_slider_offset = 0;
465 widget->allocation = *allocation;
467 if (GTK_WIDGET_REALIZED (widget))
468 gdk_window_move_resize (path_bar->event_window,
469 allocation->x, allocation->y,
470 allocation->width, allocation->height);
472 /* No path is set; we don't have to allocate anything. */
473 if (path_bar->button_list == NULL)
476 direction = gtk_widget_get_direction (widget);
477 border_width = (gint) GTK_CONTAINER (path_bar)->border_width;
478 allocation_width = allocation->width - 2 * border_width;
480 /* First, we check to see if we need the scrollbars. */
481 if (path_bar->fake_root)
482 width = path_bar->spacing + path_bar->slider_width;
486 for (list = path_bar->button_list; list; list = list->next)
488 child = BUTTON_DATA (list->data)->button;
490 width += child->requisition.width + path_bar->spacing;
491 if (list == path_bar->fake_root)
495 if (width <= allocation_width)
497 if (path_bar->fake_root)
498 first_button = path_bar->fake_root;
500 first_button = g_list_last (path_bar->button_list);
504 gboolean reached_end = FALSE;
505 gint slider_space = 2 * (path_bar->spacing + path_bar->slider_width);
507 if (path_bar->first_scrolled_button)
508 first_button = path_bar->first_scrolled_button;
510 first_button = path_bar->button_list;
513 /* To see how much space we have, and how many buttons we can display.
514 * We start at the first button, count forward until hit the new
515 * button, then count backwards.
517 /* Count down the path chain towards the end. */
518 width = BUTTON_DATA (first_button->data)->button->requisition.width;
519 list = first_button->prev;
520 while (list && !reached_end)
522 child = BUTTON_DATA (list->data)->button;
524 if (width + child->requisition.width +
525 path_bar->spacing + slider_space > allocation_width)
527 else if (list == path_bar->fake_root)
530 width += child->requisition.width + path_bar->spacing;
535 /* Finally, we walk up, seeing how many of the previous buttons we can
537 while (first_button->next && !reached_end)
539 child = BUTTON_DATA (first_button->next->data)->button;
541 if (width + child->requisition.width + path_bar->spacing + slider_space > allocation_width)
547 width += child->requisition.width + path_bar->spacing;
548 if (first_button == path_bar->fake_root)
550 first_button = first_button->next;
555 /* Now, we allocate space to the buttons */
556 child_allocation.y = allocation->y + border_width;
557 child_allocation.height = MAX (1, (gint) allocation->height - border_width * 2);
559 if (direction == GTK_TEXT_DIR_RTL)
561 child_allocation.x = allocation->x + allocation->width - border_width;
562 if (need_sliders || path_bar->fake_root)
564 child_allocation.x -= (path_bar->spacing + path_bar->slider_width);
565 up_slider_offset = allocation->width - border_width - path_bar->slider_width;
570 child_allocation.x = allocation->x + border_width;
571 if (need_sliders || path_bar->fake_root)
573 up_slider_offset = border_width;
574 child_allocation.x += (path_bar->spacing + path_bar->slider_width);
578 for (list = first_button; list; list = list->prev)
580 ButtonData *button_data;
582 button_data = BUTTON_DATA (list->data);
583 child = button_data->button;
585 child_allocation.width = MIN (child->requisition.width,
586 allocation_width - (path_bar->spacing + path_bar->slider_width) * 2);
588 if (direction == GTK_TEXT_DIR_RTL)
589 child_allocation.x -= child_allocation.width;
591 /* Check to see if we've don't have any more space to allocate buttons */
592 if (need_sliders && direction == GTK_TEXT_DIR_RTL)
594 if (child_allocation.x - path_bar->spacing - path_bar->slider_width < widget->allocation.x + border_width)
597 else if (need_sliders && direction == GTK_TEXT_DIR_LTR)
599 if (child_allocation.x + child_allocation.width + path_bar->spacing + path_bar->slider_width >
600 widget->allocation.x + border_width + allocation_width)
604 if (child_allocation.width < child->requisition.width)
606 if (!gtk_widget_get_has_tooltip (child))
607 gtk_widget_set_tooltip_text (child, button_data->dir_name);
609 else if (gtk_widget_get_has_tooltip (child))
610 gtk_widget_set_tooltip_text (child, NULL);
612 gtk_widget_set_child_visible (child, TRUE);
613 gtk_widget_size_allocate (child, &child_allocation);
615 if (direction == GTK_TEXT_DIR_RTL)
616 child_allocation.x -= path_bar->spacing;
618 child_allocation.x += child_allocation.width + path_bar->spacing;
620 /* Now we go hide all the widgets that don't fit */
623 gtk_widget_set_child_visible (BUTTON_DATA (list->data)->button, FALSE);
626 for (list = first_button->next; list; list = list->next)
628 gtk_widget_set_child_visible (BUTTON_DATA (list->data)->button, FALSE);
631 if (need_sliders || path_bar->fake_root)
633 child_allocation.width = path_bar->slider_width;
634 child_allocation.x = up_slider_offset + allocation->x;
635 gtk_widget_size_allocate (path_bar->up_slider_button, &child_allocation);
637 gtk_widget_set_child_visible (path_bar->up_slider_button, TRUE);
638 gtk_widget_show_all (path_bar->up_slider_button);
641 gtk_widget_set_child_visible (path_bar->up_slider_button, FALSE);
645 child_allocation.width = path_bar->slider_width;
647 if (direction == GTK_TEXT_DIR_RTL)
648 child_allocation.x = border_width;
650 child_allocation.x = allocation->width - border_width - path_bar->slider_width;
652 child_allocation.x += allocation->x;
654 gtk_widget_size_allocate (path_bar->down_slider_button, &child_allocation);
656 gtk_widget_set_child_visible (path_bar->down_slider_button, TRUE);
657 gtk_widget_show_all (path_bar->down_slider_button);
658 gtk_path_bar_update_slider_buttons (path_bar);
661 gtk_widget_set_child_visible (path_bar->down_slider_button, FALSE);
665 gtk_path_bar_style_set (GtkWidget *widget,
666 GtkStyle *previous_style)
668 GTK_WIDGET_CLASS (gtk_path_bar_parent_class)->style_set (widget, previous_style);
670 gtk_path_bar_check_icon_theme (GTK_PATH_BAR (widget));
674 gtk_path_bar_screen_changed (GtkWidget *widget,
675 GdkScreen *previous_screen)
677 if (GTK_WIDGET_CLASS (gtk_path_bar_parent_class)->screen_changed)
678 GTK_WIDGET_CLASS (gtk_path_bar_parent_class)->screen_changed (widget, previous_screen);
680 /* We might nave a new settings, so we remove the old one */
682 remove_settings_signal (GTK_PATH_BAR (widget), previous_screen);
684 gtk_path_bar_check_icon_theme (GTK_PATH_BAR (widget));
688 gtk_path_bar_scroll (GtkWidget *widget,
689 GdkEventScroll *event)
691 switch (event->direction)
693 case GDK_SCROLL_RIGHT:
694 case GDK_SCROLL_DOWN:
695 gtk_path_bar_scroll_down (GTK_PATH_BAR (widget));
697 case GDK_SCROLL_LEFT:
699 gtk_path_bar_scroll_up (GTK_PATH_BAR (widget));
707 gtk_path_bar_add (GtkContainer *container,
710 gtk_widget_set_parent (widget, GTK_WIDGET (container));
714 gtk_path_bar_remove_1 (GtkContainer *container,
717 gboolean was_visible = GTK_WIDGET_VISIBLE (widget);
718 gtk_widget_unparent (widget);
720 gtk_widget_queue_resize (GTK_WIDGET (container));
724 gtk_path_bar_remove (GtkContainer *container,
727 GtkPathBar *path_bar;
730 path_bar = GTK_PATH_BAR (container);
732 if (widget == path_bar->up_slider_button)
734 gtk_path_bar_remove_1 (container, widget);
735 path_bar->up_slider_button = NULL;
739 if (widget == path_bar->down_slider_button)
741 gtk_path_bar_remove_1 (container, widget);
742 path_bar->down_slider_button = NULL;
746 children = path_bar->button_list;
749 if (widget == BUTTON_DATA (children->data)->button)
751 gtk_path_bar_remove_1 (container, widget);
752 path_bar->button_list = g_list_remove_link (path_bar->button_list, children);
753 g_list_free (children);
757 children = children->next;
762 gtk_path_bar_forall (GtkContainer *container,
763 gboolean include_internals,
764 GtkCallback callback,
765 gpointer callback_data)
767 GtkPathBar *path_bar;
770 g_return_if_fail (callback != NULL);
771 path_bar = GTK_PATH_BAR (container);
773 children = path_bar->button_list;
777 child = BUTTON_DATA (children->data)->button;
778 children = children->next;
780 (* callback) (child, callback_data);
783 if (path_bar->up_slider_button)
784 (* callback) (path_bar->up_slider_button, callback_data);
786 if (path_bar->down_slider_button)
787 (* callback) (path_bar->down_slider_button, callback_data);
791 gtk_path_bar_scroll_down (GtkPathBar *path_bar)
794 GList *down_button = NULL;
795 gint space_available;
797 if (path_bar->ignore_click)
799 path_bar->ignore_click = FALSE;
803 if (gtk_widget_get_child_visible (BUTTON_DATA (path_bar->button_list->data)->button))
805 /* Return if the last button is already visible */
809 gtk_widget_queue_resize (GTK_WIDGET (path_bar));
811 /* We find the button at the 'down' end that we have to make
813 for (list = path_bar->button_list; list; list = list->next)
815 if (list->next && gtk_widget_get_child_visible (BUTTON_DATA (list->next->data)->button))
822 space_available = (GTK_WIDGET (path_bar)->allocation.width
823 - 2 * GTK_CONTAINER (path_bar)->border_width
824 - 2 * path_bar->spacing - 2 * path_bar->slider_width
825 - BUTTON_DATA (down_button->data)->button->allocation.width);
826 path_bar->first_scrolled_button = down_button;
828 /* We have space_available free space that's not being used.
829 * So we walk down from the end, adding buttons until we use all free space.
831 while (space_available > 0)
833 path_bar->first_scrolled_button = down_button;
834 down_button = down_button->next;
837 space_available -= (BUTTON_DATA (down_button->data)->button->allocation.width
838 + path_bar->spacing);
843 gtk_path_bar_scroll_up (GtkPathBar *path_bar)
847 if (path_bar->ignore_click)
849 path_bar->ignore_click = FALSE;
853 list = g_list_last (path_bar->button_list);
855 if (gtk_widget_get_child_visible (BUTTON_DATA (list->data)->button))
857 /* Return if the first button is already visible */
861 gtk_widget_queue_resize (GTK_WIDGET (path_bar));
863 for ( ; list; list = list->prev)
865 if (list->prev && gtk_widget_get_child_visible (BUTTON_DATA (list->prev->data)->button))
867 if (list->prev == path_bar->fake_root)
868 path_bar->fake_root = NULL;
869 path_bar->first_scrolled_button = list;
876 gtk_path_bar_scroll_timeout (GtkPathBar *path_bar)
878 gboolean retval = FALSE;
882 if (path_bar->scrolling_up)
883 gtk_path_bar_scroll_up (path_bar);
884 else if (path_bar->scrolling_down)
885 gtk_path_bar_scroll_down (path_bar);
887 if (path_bar->need_timer)
889 GtkSettings *settings = gtk_widget_get_settings (GTK_WIDGET (path_bar));
892 g_object_get (settings, "gtk-timeout-repeat", &timeout, NULL);
894 path_bar->need_timer = FALSE;
896 path_bar->timer = gdk_threads_add_timeout (timeout * SCROLL_DELAY_FACTOR,
897 (GSourceFunc)gtk_path_bar_scroll_timeout,
908 gtk_path_bar_stop_scrolling (GtkPathBar *path_bar)
912 g_source_remove (path_bar->timer);
914 path_bar->need_timer = FALSE;
919 gtk_path_bar_slider_up_defocus (GtkWidget *widget,
920 GdkEventButton *event,
921 GtkPathBar *path_bar)
924 GList *up_button = NULL;
926 if (event->type != GDK_FOCUS_CHANGE)
929 for (list = g_list_last (path_bar->button_list); list; list = list->prev)
931 if (gtk_widget_get_child_visible (BUTTON_DATA (list->data)->button))
938 /* don't let the focus vanish */
939 if ((!GTK_WIDGET_IS_SENSITIVE (path_bar->up_slider_button)) ||
940 (!gtk_widget_get_child_visible (path_bar->up_slider_button)))
941 gtk_widget_grab_focus (BUTTON_DATA (up_button->data)->button);
947 gtk_path_bar_slider_down_defocus (GtkWidget *widget,
948 GdkEventButton *event,
949 GtkPathBar *path_bar)
952 GList *down_button = NULL;
954 if (event->type != GDK_FOCUS_CHANGE)
957 for (list = path_bar->button_list; list; list = list->next)
959 if (gtk_widget_get_child_visible (BUTTON_DATA (list->data)->button))
966 /* don't let the focus vanish */
967 if ((!GTK_WIDGET_IS_SENSITIVE (path_bar->down_slider_button)) ||
968 (!gtk_widget_get_child_visible (path_bar->down_slider_button)))
969 gtk_widget_grab_focus (BUTTON_DATA (down_button->data)->button);
975 gtk_path_bar_slider_button_press (GtkWidget *widget,
976 GdkEventButton *event,
977 GtkPathBar *path_bar)
979 if (event->type != GDK_BUTTON_PRESS || event->button != 1)
982 path_bar->ignore_click = FALSE;
984 if (widget == path_bar->up_slider_button)
986 path_bar->scrolling_down = FALSE;
987 path_bar->scrolling_up = TRUE;
988 gtk_path_bar_scroll_up (path_bar);
990 else if (widget == path_bar->down_slider_button)
992 path_bar->scrolling_up = FALSE;
993 path_bar->scrolling_down = TRUE;
994 gtk_path_bar_scroll_down (path_bar);
997 if (!path_bar->timer)
999 GtkSettings *settings = gtk_widget_get_settings (widget);
1002 g_object_get (settings, "gtk-timeout-initial", &timeout, NULL);
1004 path_bar->need_timer = TRUE;
1005 path_bar->timer = gdk_threads_add_timeout (timeout,
1006 (GSourceFunc)gtk_path_bar_scroll_timeout,
1014 gtk_path_bar_slider_button_release (GtkWidget *widget,
1015 GdkEventButton *event,
1016 GtkPathBar *path_bar)
1018 if (event->type != GDK_BUTTON_RELEASE)
1021 path_bar->ignore_click = TRUE;
1022 gtk_path_bar_stop_scrolling (path_bar);
1028 gtk_path_bar_grab_notify (GtkWidget *widget,
1029 gboolean was_grabbed)
1032 gtk_path_bar_stop_scrolling (GTK_PATH_BAR (widget));
1036 gtk_path_bar_state_changed (GtkWidget *widget,
1037 GtkStateType previous_state)
1039 if (!GTK_WIDGET_IS_SENSITIVE (widget))
1040 gtk_path_bar_stop_scrolling (GTK_PATH_BAR (widget));
1044 /* Changes the icons wherever it is needed */
1046 reload_icons (GtkPathBar *path_bar)
1050 if (path_bar->root_icon)
1052 g_object_unref (path_bar->root_icon);
1053 path_bar->root_icon = NULL;
1055 if (path_bar->home_icon)
1057 g_object_unref (path_bar->home_icon);
1058 path_bar->home_icon = NULL;
1060 if (path_bar->desktop_icon)
1062 g_object_unref (path_bar->desktop_icon);
1063 path_bar->desktop_icon = NULL;
1066 for (list = path_bar->button_list; list; list = list->next)
1068 ButtonData *button_data;
1069 gboolean current_dir;
1071 button_data = BUTTON_DATA (list->data);
1072 if (button_data->type != NORMAL_BUTTON)
1074 current_dir = gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (button_data->button));
1075 gtk_path_bar_update_button_appearance (path_bar, button_data, current_dir);
1082 change_icon_theme (GtkPathBar *path_bar)
1084 GtkSettings *settings;
1087 settings = gtk_settings_get_for_screen (gtk_widget_get_screen (GTK_WIDGET (path_bar)));
1089 if (gtk_icon_size_lookup_for_settings (settings, GTK_ICON_SIZE_MENU, &width, &height))
1090 path_bar->icon_size = MAX (width, height);
1092 path_bar->icon_size = FALLBACK_ICON_SIZE;
1094 reload_icons (path_bar);
1096 /* Callback used when a GtkSettings value changes */
1098 settings_notify_cb (GObject *object,
1100 GtkPathBar *path_bar)
1104 name = g_param_spec_get_name (pspec);
1106 if (! strcmp (name, "gtk-icon-theme-name") ||
1107 ! strcmp (name, "gtk-icon-sizes"))
1108 change_icon_theme (path_bar);
1112 gtk_path_bar_check_icon_theme (GtkPathBar *path_bar)
1114 GtkSettings *settings;
1116 if (path_bar->settings_signal_id)
1119 settings = gtk_settings_get_for_screen (gtk_widget_get_screen (GTK_WIDGET (path_bar)));
1120 path_bar->settings_signal_id = g_signal_connect (settings, "notify", G_CALLBACK (settings_notify_cb), path_bar);
1122 change_icon_theme (path_bar);
1125 /* Public functions and their helpers */
1127 gtk_path_bar_clear_buttons (GtkPathBar *path_bar)
1129 while (path_bar->button_list != NULL)
1131 gtk_container_remove (GTK_CONTAINER (path_bar), BUTTON_DATA (path_bar->button_list->data)->button);
1133 path_bar->first_scrolled_button = NULL;
1134 path_bar->fake_root = NULL;
1138 button_clicked_cb (GtkWidget *button,
1141 ButtonData *button_data;
1142 GtkPathBar *path_bar;
1144 gboolean child_is_hidden;
1147 button_data = BUTTON_DATA (data);
1148 if (button_data->ignore_changes)
1151 path_bar = GTK_PATH_BAR (button->parent);
1153 button_list = g_list_find (path_bar->button_list, button_data);
1154 g_assert (button_list != NULL);
1156 g_signal_handlers_block_by_func (button,
1157 G_CALLBACK (button_clicked_cb), data);
1158 gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (button), TRUE);
1159 g_signal_handlers_unblock_by_func (button,
1160 G_CALLBACK (button_clicked_cb), data);
1162 if (button_list->prev)
1164 ButtonData *child_data;
1166 child_data = BUTTON_DATA (button_list->prev->data);
1167 child_file = child_data->file;
1168 child_is_hidden = child_data->file_is_hidden;
1173 child_is_hidden = FALSE;
1176 g_signal_emit (path_bar, path_bar_signals [PATH_CLICKED], 0,
1177 button_data->file, child_file, child_is_hidden);
1180 struct SetButtonImageData
1182 GtkPathBar *path_bar;
1183 ButtonData *button_data;
1187 set_button_image_get_info_cb (GCancellable *cancellable,
1189 const GError *error,
1192 gboolean cancelled = g_cancellable_is_cancelled (cancellable);
1194 struct SetButtonImageData *data = user_data;
1196 if (cancellable != data->button_data->cancellable)
1199 data->button_data->cancellable = NULL;
1201 if (!data->button_data->button)
1203 g_free (data->button_data);
1207 if (cancelled || error)
1210 pixbuf = _gtk_file_info_render_icon (info, GTK_WIDGET (data->path_bar),
1211 data->path_bar->icon_size);
1212 gtk_image_set_from_pixbuf (GTK_IMAGE (data->button_data->image), pixbuf);
1214 switch (data->button_data->type)
1217 if (data->path_bar->home_icon)
1218 g_object_unref (pixbuf);
1220 data->path_bar->home_icon = pixbuf;
1223 case DESKTOP_BUTTON:
1224 if (data->path_bar->desktop_icon)
1225 g_object_unref (pixbuf);
1227 data->path_bar->desktop_icon = pixbuf;
1236 g_object_unref (cancellable);
1240 set_button_image (GtkPathBar *path_bar,
1241 ButtonData *button_data)
1243 GtkFileSystemVolume *volume;
1244 struct SetButtonImageData *data;
1246 switch (button_data->type)
1250 if (path_bar->root_icon != NULL)
1252 gtk_image_set_from_pixbuf (GTK_IMAGE (button_data->image), path_bar->root_icon);
1256 volume = _gtk_file_system_get_volume_for_file (path_bar->file_system, path_bar->root_file);
1260 path_bar->root_icon = _gtk_file_system_volume_render_icon (volume,
1261 GTK_WIDGET (path_bar),
1262 path_bar->icon_size,
1264 _gtk_file_system_volume_free (volume);
1266 gtk_image_set_from_pixbuf (GTK_IMAGE (button_data->image), path_bar->root_icon);
1270 if (path_bar->home_icon != NULL)
1272 gtk_image_set_from_pixbuf (GTK_IMAGE (button_data->image), path_bar->home_icon);
1276 data = g_new0 (struct SetButtonImageData, 1);
1277 data->path_bar = path_bar;
1278 data->button_data = button_data;
1280 if (button_data->cancellable)
1281 g_cancellable_cancel (button_data->cancellable);
1283 button_data->cancellable =
1284 _gtk_file_system_get_info (path_bar->file_system,
1285 path_bar->home_file,
1287 set_button_image_get_info_cb,
1291 case DESKTOP_BUTTON:
1292 if (path_bar->desktop_icon != NULL)
1294 gtk_image_set_from_pixbuf (GTK_IMAGE (button_data->image), path_bar->desktop_icon);
1298 data = g_new0 (struct SetButtonImageData, 1);
1299 data->path_bar = path_bar;
1300 data->button_data = button_data;
1302 if (button_data->cancellable)
1303 g_cancellable_cancel (button_data->cancellable);
1305 button_data->cancellable =
1306 _gtk_file_system_get_info (path_bar->file_system,
1307 path_bar->desktop_file,
1309 set_button_image_get_info_cb,
1318 button_data_free (ButtonData *button_data)
1320 if (button_data->file)
1321 g_object_unref (button_data->file);
1322 button_data->file = NULL;
1324 g_free (button_data->dir_name);
1325 button_data->dir_name = NULL;
1327 button_data->button = NULL;
1329 if (button_data->cancellable)
1330 g_cancellable_cancel (button_data->cancellable);
1332 g_free (button_data);
1336 get_dir_name (ButtonData *button_data)
1338 return button_data->dir_name;
1341 /* We always want to request the same size for the label, whether
1342 * or not the contents are bold
1345 label_size_request_cb (GtkWidget *widget,
1346 GtkRequisition *requisition,
1347 ButtonData *button_data)
1349 const gchar *dir_name = get_dir_name (button_data);
1350 PangoLayout *layout = gtk_widget_create_pango_layout (button_data->label, dir_name);
1351 gint bold_width, bold_height;
1354 pango_layout_get_pixel_size (layout, &requisition->width, &requisition->height);
1356 markup = g_markup_printf_escaped ("<b>%s</b>", dir_name);
1357 pango_layout_set_markup (layout, markup, -1);
1360 pango_layout_get_pixel_size (layout, &bold_width, &bold_height);
1361 requisition->width = MAX (requisition->width, bold_width);
1362 requisition->height = MAX (requisition->height, bold_height);
1364 g_object_unref (layout);
1368 gtk_path_bar_update_button_appearance (GtkPathBar *path_bar,
1369 ButtonData *button_data,
1370 gboolean current_dir)
1372 const gchar *dir_name = get_dir_name (button_data);
1374 if (button_data->label != NULL)
1380 markup = g_markup_printf_escaped ("<b>%s</b>", dir_name);
1381 gtk_label_set_markup (GTK_LABEL (button_data->label), markup);
1386 gtk_label_set_text (GTK_LABEL (button_data->label), dir_name);
1390 if (button_data->image != NULL)
1392 set_button_image (path_bar, button_data);
1395 if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (button_data->button)) != current_dir)
1397 button_data->ignore_changes = TRUE;
1398 gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (button_data->button), current_dir);
1399 button_data->ignore_changes = FALSE;
1404 find_button_type (GtkPathBar *path_bar,
1407 if (path_bar->root_file != NULL &&
1408 g_file_equal (file, path_bar->root_file))
1410 if (path_bar->home_file != NULL &&
1411 g_file_equal (file, path_bar->home_file))
1413 if (path_bar->desktop_file != NULL &&
1414 g_file_equal (file, path_bar->desktop_file))
1415 return DESKTOP_BUTTON;
1417 return NORMAL_BUTTON;
1421 button_drag_data_get_cb (GtkWidget *widget,
1422 GdkDragContext *context,
1423 GtkSelectionData *selection_data,
1428 ButtonData *button_data;
1429 GtkPathBar *path_bar;
1433 path_bar = GTK_PATH_BAR (widget->parent); /* the button's parent *is* the path bar */
1435 uris[0] = g_file_get_uri (button_data->file);
1438 gtk_selection_data_set_uris (selection_data, uris);
1443 make_directory_button (GtkPathBar *path_bar,
1444 const char *dir_name,
1446 gboolean current_dir,
1447 gboolean file_is_hidden)
1450 GtkWidget *child = NULL;
1451 GtkWidget *label_alignment = NULL;
1452 ButtonData *button_data;
1454 file_is_hidden = !! file_is_hidden;
1455 /* Is it a special button? */
1456 button_data = g_new0 (ButtonData, 1);
1458 button_data->type = find_button_type (path_bar, file);
1459 button_data->button = gtk_toggle_button_new ();
1460 atk_obj = gtk_widget_get_accessible (button_data->button);
1461 gtk_button_set_focus_on_click (GTK_BUTTON (button_data->button), FALSE);
1463 switch (button_data->type)
1466 button_data->image = gtk_image_new ();
1467 child = button_data->image;
1468 button_data->label = NULL;
1469 atk_object_set_name (atk_obj, _("File System Root"));
1472 case DESKTOP_BUTTON:
1473 button_data->image = gtk_image_new ();
1474 button_data->label = gtk_label_new (NULL);
1475 label_alignment = gtk_alignment_new (0.5, 0.5, 1.0, 1.0);
1476 gtk_container_add (GTK_CONTAINER (label_alignment), button_data->label);
1477 child = gtk_hbox_new (FALSE, 2);
1478 gtk_box_pack_start (GTK_BOX (child), button_data->image, FALSE, FALSE, 0);
1479 gtk_box_pack_start (GTK_BOX (child), label_alignment, FALSE, FALSE, 0);
1483 button_data->label = gtk_label_new (NULL);
1484 gtk_label_set_ellipsize (GTK_LABEL (button_data->label), PANGO_ELLIPSIZE_END);
1485 label_alignment = gtk_alignment_new (0.5, 0.5, 1.0, 1.0);
1486 gtk_container_add (GTK_CONTAINER (label_alignment), button_data->label);
1487 child = label_alignment;
1488 button_data->image = NULL;
1491 /* label_alignment is created because we can't override size-request
1492 * on label itself and still have the contents of the label centered
1493 * properly in the label's requisition
1495 if (label_alignment)
1496 g_signal_connect (label_alignment, "size-request",
1497 G_CALLBACK (label_size_request_cb), button_data);
1499 button_data->dir_name = g_strdup (dir_name);
1500 button_data->file = g_object_ref (file);
1501 button_data->file_is_hidden = file_is_hidden;
1503 gtk_container_add (GTK_CONTAINER (button_data->button), child);
1504 gtk_widget_show_all (button_data->button);
1506 gtk_path_bar_update_button_appearance (path_bar, button_data, current_dir);
1508 g_signal_connect (button_data->button, "clicked",
1509 G_CALLBACK (button_clicked_cb),
1511 g_object_weak_ref (G_OBJECT (button_data->button),
1512 (GWeakNotify) button_data_free, button_data);
1514 gtk_drag_source_set (button_data->button,
1518 gtk_drag_source_add_uri_targets (button_data->button);
1519 g_signal_connect (button_data->button, "drag-data-get",
1520 G_CALLBACK (button_drag_data_get_cb), button_data);
1526 gtk_path_bar_check_parent_path (GtkPathBar *path_bar,
1528 GtkFileSystem *file_system)
1531 GList *current_path = NULL;
1532 gboolean need_new_fake_root = FALSE;
1534 for (list = path_bar->button_list; list; list = list->next)
1536 ButtonData *button_data;
1538 button_data = list->data;
1539 if (g_file_equal (file, button_data->file))
1541 current_path = list;
1544 if (list == path_bar->fake_root)
1545 need_new_fake_root = TRUE;
1550 if (need_new_fake_root)
1552 path_bar->fake_root = NULL;
1553 for (list = current_path; list; list = list->next)
1555 ButtonData *button_data;
1557 button_data = list->data;
1558 if (BUTTON_IS_FAKE_ROOT (button_data))
1560 path_bar->fake_root = list;
1566 for (list = path_bar->button_list; list; list = list->next)
1568 gtk_path_bar_update_button_appearance (path_bar,
1569 BUTTON_DATA (list->data),
1570 (list == current_path) ? TRUE : FALSE);
1573 if (!gtk_widget_get_child_visible (BUTTON_DATA (current_path->data)->button))
1575 path_bar->first_scrolled_button = current_path;
1576 gtk_widget_queue_resize (GTK_WIDGET (path_bar));
1589 GtkPathBar *path_bar;
1592 gboolean first_directory;
1596 gtk_path_bar_set_file_finish (struct SetFileInfo *info,
1603 gtk_path_bar_clear_buttons (info->path_bar);
1604 info->path_bar->button_list = g_list_reverse (info->new_buttons);
1605 info->path_bar->fake_root = info->fake_root;
1607 for (l = info->path_bar->button_list; l; l = l->next)
1609 GtkWidget *button = BUTTON_DATA (l->data)->button;
1610 gtk_container_add (GTK_CONTAINER (info->path_bar), button);
1617 for (l = info->new_buttons; l; l = l->next)
1619 ButtonData *button_data;
1621 button_data = BUTTON_DATA (l->data);
1622 gtk_widget_destroy (button_data->button);
1625 g_list_free (info->new_buttons);
1629 g_object_unref (info->file);
1630 if (info->parent_file)
1631 g_object_unref (info->parent_file);
1636 gtk_path_bar_get_info_callback (GCancellable *cancellable,
1638 const GError *error,
1641 gboolean cancelled = g_cancellable_is_cancelled (cancellable);
1642 struct SetFileInfo *file_info = data;
1643 ButtonData *button_data;
1644 const gchar *display_name;
1647 if (cancellable != file_info->path_bar->get_info_cancellable)
1649 gtk_path_bar_set_file_finish (file_info, FALSE);
1650 g_object_unref (cancellable);
1654 g_object_unref (cancellable);
1655 file_info->path_bar->get_info_cancellable = NULL;
1657 if (cancelled || !info)
1659 gtk_path_bar_set_file_finish (file_info, FALSE);
1663 display_name = g_file_info_get_display_name (info);
1664 is_hidden = g_file_info_get_is_hidden (info) || g_file_info_get_is_backup (info);
1666 gtk_widget_push_composite_child ();
1667 button_data = make_directory_button (file_info->path_bar, display_name,
1669 file_info->first_directory, is_hidden);
1670 gtk_widget_pop_composite_child ();
1671 g_object_unref (file_info->file);
1673 file_info->new_buttons = g_list_prepend (file_info->new_buttons, button_data);
1675 if (BUTTON_IS_FAKE_ROOT (button_data))
1676 file_info->fake_root = file_info->new_buttons;
1678 file_info->file = file_info->parent_file;
1679 file_info->first_directory = FALSE;
1681 if (!file_info->file)
1683 gtk_path_bar_set_file_finish (file_info, TRUE);
1687 file_info->parent_file = g_file_get_parent (file_info->file);
1689 file_info->path_bar->get_info_cancellable =
1690 _gtk_file_system_get_info (file_info->path_bar->file_system,
1692 "standard::display-name,standard::is-hidden,standard::is-backup",
1693 gtk_path_bar_get_info_callback,
1698 _gtk_path_bar_set_file (GtkPathBar *path_bar,
1700 const gboolean keep_trail,
1703 struct SetFileInfo *info;
1706 g_return_val_if_fail (GTK_IS_PATH_BAR (path_bar), FALSE);
1707 g_return_val_if_fail (G_IS_FILE (file), FALSE);
1711 /* Check whether the new path is already present in the pathbar as buttons.
1712 * This could be a parent directory or a previous selected subdirectory.
1715 gtk_path_bar_check_parent_path (path_bar, file, path_bar->file_system))
1718 info = g_new0 (struct SetFileInfo, 1);
1719 info->file = g_object_ref (file);
1720 info->path_bar = path_bar;
1721 info->first_directory = TRUE;
1722 info->parent_file = g_file_get_parent (info->file);
1724 if (path_bar->get_info_cancellable)
1725 g_cancellable_cancel (path_bar->get_info_cancellable);
1727 path_bar->get_info_cancellable =
1728 _gtk_file_system_get_info (path_bar->file_system,
1730 "standard::display-name,standard::is-hidden,standard::is-backup",
1731 gtk_path_bar_get_info_callback,
1737 /* FIXME: This should be a construct-only property */
1739 _gtk_path_bar_set_file_system (GtkPathBar *path_bar,
1740 GtkFileSystem *file_system)
1744 g_return_if_fail (GTK_IS_PATH_BAR (path_bar));
1746 g_assert (path_bar->file_system == NULL);
1748 path_bar->file_system = g_object_ref (file_system);
1750 home = g_get_home_dir ();
1753 const gchar *desktop;
1755 path_bar->home_file = g_file_new_for_path (home);
1756 /* FIXME: Need file system backend specific way of getting the
1759 desktop = g_get_user_special_dir (G_USER_DIRECTORY_DESKTOP);
1760 if (desktop != NULL)
1761 path_bar->desktop_file = g_file_new_for_path (desktop);
1763 path_bar->desktop_file = NULL;
1767 path_bar->home_file = NULL;
1768 path_bar->desktop_file = NULL;
1770 path_bar->root_file = g_file_new_for_path ("/");
1775 * @path_bar: a #GtkPathBar
1777 * If the selected button in the pathbar is not the furthest button "up" (in the
1778 * root direction), act as if the user clicked on the next button up.
1781 _gtk_path_bar_up (GtkPathBar *path_bar)
1785 for (l = path_bar->button_list; l; l = l->next)
1787 GtkWidget *button = BUTTON_DATA (l->data)->button;
1788 if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (button)))
1792 GtkWidget *next_button = BUTTON_DATA (l->next->data)->button;
1793 button_clicked_cb (next_button, l->next->data);
1801 * _gtk_path_bar_down:
1802 * @path_bar: a #GtkPathBar
1804 * If the selected button in the pathbar is not the furthest button "down" (in the
1805 * leaf direction), act as if the user clicked on the next button down.
1808 _gtk_path_bar_down (GtkPathBar *path_bar)
1812 for (l = path_bar->button_list; l; l = l->next)
1814 GtkWidget *button = BUTTON_DATA (l->data)->button;
1815 if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (button)))
1819 GtkWidget *prev_button = BUTTON_DATA (l->prev->data)->button;
1820 button_clicked_cb (prev_button, l->prev->data);
1827 #define __GTK_PATH_BAR_C__
1828 #include "gtkaliasdef.c"