?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
2008-05-05 Paolo Borelli <pborelli@katamail.com>
[nautilus.git] / src / nautilus-pathbar.c
blob81d8e9f2ae064024702fa94f8418fd571367eba1
1 /* nautilus-pathbar.c
2 * Copyright (C) 2004 Red Hat, Inc., Jonathan Blandford <jrb@gnome.org>
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
8 *
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Library General Public License for more details.
13 *
14 * You should have received a copy of the GNU Library General Public
15 * License along with this library; if not, write to the
16 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 * Boston, MA 02111-1307, USA.
18 */
19
20 #include <config.h>
21 #include <string.h>
22 #include <eel/eel-debug.h>
23 #include <eel/eel-gtk-extensions.h>
24 #include <eel/eel-glib-extensions.h>
25 #include <eel/eel-preferences.h>
26 #include <eel/eel-string.h>
27 #include <gtk/gtktogglebutton.h>
28 #include <gtk/gtkalignment.h>
29 #include <gtk/gtkarrow.h>
30 #include <gtk/gtkdnd.h>
31 #include <gtk/gtkimage.h>
32 #include <gtk/gtklabel.h>
33 #include <gtk/gtkhbox.h>
34 #include <gtk/gtkmain.h>
35 #include <glib/gi18n.h>
36 #include <gio/gio.h>
37 #include <libnautilus-private/nautilus-file.h>
38 #include <libnautilus-private/nautilus-file-utilities.h>
39 #include <libnautilus-private/nautilus-global-preferences.h>
40 #include <libnautilus-private/nautilus-icon-names.h>
41 #include <libnautilus-private/nautilus-trash-monitor.h>
42 #include "nautilus-pathbar.h"
43
44 enum {
45 PATH_CLICKED,
46 LAST_SIGNAL
47 };
48
49 typedef enum {
50 NORMAL_BUTTON,
51 ROOT_BUTTON,
52 HOME_BUTTON,
53 DESKTOP_BUTTON,
54 MOUNT_BUTTON
55 } ButtonType;
56
57 #define BUTTON_DATA(x) ((ButtonData *)(x))
58
59 #define SCROLL_TIMEOUT 150
60 #define INITIAL_SCROLL_TIMEOUT 300
61
62 static guint path_bar_signals [LAST_SIGNAL] = { 0 };
63
64 static gboolean desktop_is_home;
65
66 #define NAUTILUS_PATH_BAR_ICON_SIZE 16
67
68 typedef struct _ButtonData ButtonData;
69
70 struct _ButtonData
71 {
72 GtkWidget *button;
73 ButtonType type;
74 char *dir_name;
75 GFile *path;
76
77 /* custom icon */
78 GdkPixbuf *custom_icon;
79
80 /* flag to indicate its the base folder in the URI */
81 gboolean is_base_dir;
82
83 GtkWidget *image;
84 GtkWidget *label;
85 guint ignore_changes : 1;
86 guint file_is_hidden : 1;
87 };
88
89 /* This macro is used to check if a button can be used as a fake root.
90 * All buttons in front of a fake root are automatically hidden when in a
91 * directory below a fake root and replaced with the "<" arrow button.
92 */
93 #define BUTTON_IS_FAKE_ROOT(button) ((button)->type == HOME_BUTTON || (button)->type == MOUNT_BUTTON)
94
95 G_DEFINE_TYPE (NautilusPathBar,
96 nautilus_path_bar,
97 GTK_TYPE_CONTAINER);
98
99 static void nautilus_path_bar_finalize (GObject *object);
100 static void nautilus_path_bar_dispose (GObject *object);
101 static void nautilus_path_bar_size_request (GtkWidget *widget,
102 GtkRequisition *requisition);
103 static void nautilus_path_bar_unmap (GtkWidget *widget);
104 static void nautilus_path_bar_size_allocate (GtkWidget *widget,
105 GtkAllocation *allocation);
106 static void nautilus_path_bar_add (GtkContainer *container,
107 GtkWidget *widget);
108 static void nautilus_path_bar_remove (GtkContainer *container,
109 GtkWidget *widget);
110 static void nautilus_path_bar_forall (GtkContainer *container,
111 gboolean include_internals,
112 GtkCallback callback,
113 gpointer callback_data);
114 static void nautilus_path_bar_scroll_up (GtkWidget *button,
115 NautilusPathBar *path_bar);
116 static void nautilus_path_bar_scroll_down (GtkWidget *button,
117 NautilusPathBar *path_bar);
118 static void nautilus_path_bar_stop_scrolling (NautilusPathBar *path_bar);
119 static gboolean nautilus_path_bar_slider_button_press (GtkWidget *widget,
120 GdkEventButton *event,
121 NautilusPathBar *path_bar);
122 static gboolean nautilus_path_bar_slider_button_release (GtkWidget *widget,
123 GdkEventButton *event,
124 NautilusPathBar *path_bar);
125 static void nautilus_path_bar_grab_notify (GtkWidget *widget,
126 gboolean was_grabbed);
127 static void nautilus_path_bar_state_changed (GtkWidget *widget,
128 GtkStateType previous_state);
129 static void nautilus_path_bar_style_set (GtkWidget *widget,
130 GtkStyle *previous_style);
131 static void nautilus_path_bar_screen_changed (GtkWidget *widget,
132 GdkScreen *previous_screen);
133 static void nautilus_path_bar_check_icon_theme (NautilusPathBar *path_bar);
134 static void nautilus_path_bar_update_button_appearance (NautilusPathBar *path_bar,
135 ButtonData *button_data,
136 gboolean current_dir);
137 static gboolean nautilus_path_bar_update_path (NautilusPathBar *path_bar,
138 GFile *file_path);
139
140 static GtkWidget *
141 get_slider_button (NautilusPathBar *path_bar,
142 GtkArrowType arrow_type)
143 {
144 GtkWidget *button;
145
146 gtk_widget_push_composite_child ();
147
148 button = gtk_button_new ();
149 gtk_button_set_focus_on_click (GTK_BUTTON (button), FALSE);
150 gtk_container_add (GTK_CONTAINER (button), gtk_arrow_new (arrow_type, GTK_SHADOW_OUT));
151 gtk_container_add (GTK_CONTAINER (path_bar), button);
152 gtk_widget_show_all (button);
153
154 gtk_widget_pop_composite_child ();
155
156 return button;
157 }
158
159 static void
160 update_button_types (NautilusPathBar *path_bar)
161 {
162 GList *list;
163 GFile *path = NULL;
164
165 for (list = path_bar->button_list; list; list = list->next) {
166 ButtonData *button_data;
167 button_data = BUTTON_DATA (list->data);
168 if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (button_data->button))) {
169 path = button_data->path;
170 break;
171 }
172 }
173 if (path != NULL) {
174 nautilus_path_bar_update_path (path_bar, path);
175 }
176 }
177
178
179 static void
180 desktop_location_changed_callback (gpointer user_data)
181 {
182 NautilusPathBar *path_bar;
183
184 path_bar = NAUTILUS_PATH_BAR (user_data);
185
186 g_object_unref (path_bar->desktop_path);
187 g_object_unref (path_bar->home_path);
188 path_bar->desktop_path = nautilus_get_desktop_location ();
189 path_bar->home_path = g_file_new_for_path (g_get_home_dir ());
190 desktop_is_home = g_file_equal (path_bar->home_path, path_bar->desktop_path);
191
192 if (path_bar->home_icon) {
193 g_object_unref (path_bar->home_icon);
194 path_bar->home_icon = NULL;
195 }
196
197 update_button_types (path_bar);
198 }
199
200 static void
201 trash_state_changed_cb (NautilusTrashMonitor *monitor,
202 gboolean state,
203 NautilusPathBar *path_bar)
204 {
205 GFile *file;
206 GList *list;
207
208 file = g_file_new_for_uri ("trash:///");
209 for (list = path_bar->button_list; list; list = list->next) {
210 ButtonData *button_data;
211 button_data = BUTTON_DATA (list->data);
212 if (g_file_equal (file, button_data->path)) {
213 GIcon *icon;
214 NautilusIconInfo *icon_info;
215 GdkPixbuf *pixbuf;
216
217 icon = nautilus_trash_monitor_get_icon ();
218 icon_info = nautilus_icon_info_lookup (icon, NAUTILUS_PATH_BAR_ICON_SIZE);
219 pixbuf = nautilus_icon_info_get_pixbuf_at_size (icon_info, NAUTILUS_PATH_BAR_ICON_SIZE);
220 gtk_image_set_from_pixbuf (GTK_IMAGE (button_data->image), pixbuf);
221 }
222 }
223 g_object_unref (file);
224 }
225
226 static void
227 nautilus_path_bar_init (NautilusPathBar *path_bar)
228 {
229 char *p;
230
231 GTK_WIDGET_SET_FLAGS (path_bar, GTK_NO_WINDOW);
232 gtk_widget_set_redraw_on_allocate (GTK_WIDGET (path_bar), FALSE);
233
234 path_bar->spacing = 3;
235 path_bar->up_slider_button = get_slider_button (path_bar, GTK_ARROW_LEFT);
236 path_bar->down_slider_button = get_slider_button (path_bar, GTK_ARROW_RIGHT);
237 path_bar->icon_size = NAUTILUS_PATH_BAR_ICON_SIZE;
238
239 p = nautilus_get_desktop_directory ();
240 path_bar->desktop_path = g_file_new_for_path (p);
241 g_free (p);
242 path_bar->home_path = g_file_new_for_path (g_get_home_dir ());
243 path_bar->root_path = g_file_new_for_path ("/");
244 desktop_is_home = g_file_equal (path_bar->home_path, path_bar->desktop_path);
245
246 eel_preferences_add_callback_while_alive (NAUTILUS_PREFERENCES_DESKTOP_IS_HOME_DIR,
247 desktop_location_changed_callback,
248 path_bar,
249 G_OBJECT (path_bar));
250
251 g_signal_connect (path_bar->up_slider_button, "clicked", G_CALLBACK (nautilus_path_bar_scroll_up), path_bar);
252 g_signal_connect (path_bar->down_slider_button, "clicked", G_CALLBACK (nautilus_path_bar_scroll_down), path_bar);
253
254 g_signal_connect (path_bar->up_slider_button, "button_press_event", G_CALLBACK (nautilus_path_bar_slider_button_press), path_bar);
255 g_signal_connect (path_bar->up_slider_button, "button_release_event", G_CALLBACK (nautilus_path_bar_slider_button_release), path_bar);
256 g_signal_connect (path_bar->down_slider_button, "button_press_event", G_CALLBACK (nautilus_path_bar_slider_button_press), path_bar);
257 g_signal_connect (path_bar->down_slider_button, "button_release_event", G_CALLBACK (nautilus_path_bar_slider_button_release), path_bar);
258
259 g_signal_connect (nautilus_trash_monitor_get (),
260 "trash_state_changed",
261 G_CALLBACK (trash_state_changed_cb),
262 path_bar);
263 }
264
265 static void
266 nautilus_path_bar_class_init (NautilusPathBarClass *path_bar_class)
267 {
268 GObjectClass *gobject_class;
269 GtkObjectClass *object_class;
270 GtkWidgetClass *widget_class;
271 GtkContainerClass *container_class;
272
273 gobject_class = (GObjectClass *) path_bar_class;
274 object_class = (GtkObjectClass *) path_bar_class;
275 widget_class = (GtkWidgetClass *) path_bar_class;
276 container_class = (GtkContainerClass *) path_bar_class;
277
278 gobject_class->finalize = nautilus_path_bar_finalize;
279 gobject_class->dispose = nautilus_path_bar_dispose;
280
281 widget_class->size_request = nautilus_path_bar_size_request;
282 widget_class->unmap = nautilus_path_bar_unmap;
283 widget_class->size_allocate = nautilus_path_bar_size_allocate;
284 widget_class->style_set = nautilus_path_bar_style_set;
285 widget_class->screen_changed = nautilus_path_bar_screen_changed;
286 widget_class->grab_notify = nautilus_path_bar_grab_notify;
287 widget_class->state_changed = nautilus_path_bar_state_changed;
288
289 container_class->add = nautilus_path_bar_add;
290 container_class->forall = nautilus_path_bar_forall;
291 container_class->remove = nautilus_path_bar_remove;
292
293 path_bar_signals [PATH_CLICKED] =
294 g_signal_new ("path-clicked",
295 G_OBJECT_CLASS_TYPE (object_class),
296 G_SIGNAL_RUN_FIRST,
297 G_STRUCT_OFFSET (NautilusPathBarClass, path_clicked),
298 NULL, NULL,
299 g_cclosure_marshal_VOID__OBJECT,
300 G_TYPE_NONE, 1,
301 G_TYPE_FILE);
302 }
303
304
305 static void
306 nautilus_path_bar_finalize (GObject *object)
307 {
308 NautilusPathBar *path_bar;
309
310 path_bar = NAUTILUS_PATH_BAR (object);
311
312 nautilus_path_bar_stop_scrolling (path_bar);
313
314 g_list_free (path_bar->button_list);
315 if (path_bar->root_path) {
316 g_object_unref (path_bar->root_path);
317 path_bar->root_path = NULL;
318 }
319 if (path_bar->home_path) {
320 g_object_unref (path_bar->home_path);
321 path_bar->home_path = NULL;
322 }
323 if (path_bar->desktop_path) {
324 g_object_unref (path_bar->desktop_path);
325 path_bar->desktop_path = NULL;
326 }
327
328 if (path_bar->root_icon) {
329 g_object_unref (path_bar->root_icon);
330 path_bar->root_icon = NULL;
331 }
332 if (path_bar->home_icon) {
333 g_object_unref (path_bar->home_icon);
334 path_bar->home_icon = NULL;
335 }
336 if (path_bar->desktop_icon) {
337 g_object_unref (path_bar->desktop_icon);
338 path_bar->desktop_icon = NULL;
339 }
340
341 g_signal_handlers_disconnect_by_func (nautilus_trash_monitor_get (),
342 trash_state_changed_cb, path_bar);
343
344 G_OBJECT_CLASS (nautilus_path_bar_parent_class)->finalize (object);
345 }
346
347 /* Removes the settings signal handler. It's safe to call multiple times */
348 static void
349 remove_settings_signal (NautilusPathBar *path_bar,
350 GdkScreen *screen)
351 {
352 if (path_bar->settings_signal_id) {
353 GtkSettings *settings;
354
355 settings = gtk_settings_get_for_screen (screen);
356 g_signal_handler_disconnect (settings,
357 path_bar->settings_signal_id);
358 path_bar->settings_signal_id = 0;
359 }
360 }
361
362 static void
363 nautilus_path_bar_dispose (GObject *object)
364 {
365 remove_settings_signal (NAUTILUS_PATH_BAR (object), gtk_widget_get_screen (GTK_WIDGET (object)));
366
367 G_OBJECT_CLASS (nautilus_path_bar_parent_class)->dispose (object);
368 }
369
370 /* Size requisition:
371 *
372 * Ideally, our size is determined by another widget, and we are just filling
373 * available space.
374 */
375 static void
376 nautilus_path_bar_size_request (GtkWidget *widget,
377 GtkRequisition *requisition)
378 {
379 ButtonData *button_data;
380 NautilusPathBar *path_bar;
381 GtkRequisition child_requisition;
382 GList *list;
383
384 path_bar = NAUTILUS_PATH_BAR (widget);
385
386 requisition->width = 0;
387 requisition->height = 0;
388
389 for (list = path_bar->button_list; list; list = list->next) {
390 button_data = BUTTON_DATA (list->data);
391 gtk_widget_size_request (button_data->button, &child_requisition);
392 requisition->width = MAX (child_requisition.width, requisition->width);
393 requisition->height = MAX (child_requisition.height, requisition->height);
394 }
395
396 /* Add space for slider, if we have more than one path */
397 /* Theoretically, the slider could be bigger than the other button. But we're */
398 /* not going to worry about that now.*/
399
400 path_bar->slider_width = MIN(requisition->height * 2 / 3 + 5, requisition->height);
401 if (path_bar->button_list && path_bar->button_list->next != NULL) {
402 requisition->width += (path_bar->spacing + path_bar->slider_width) * 2;
403 }
404
405 gtk_widget_size_request (path_bar->up_slider_button, &child_requisition);
406 gtk_widget_size_request (path_bar->down_slider_button, &child_requisition);
407
408 requisition->width += GTK_CONTAINER (widget)->border_width * 2;
409 requisition->height += GTK_CONTAINER (widget)->border_width * 2;
410
411 widget->requisition = *requisition;
412 }
413
414 static void
415 nautilus_path_bar_update_slider_buttons (NautilusPathBar *path_bar)
416 {
417 if (path_bar->button_list) {
418
419 GtkWidget *button;
420
421 button = BUTTON_DATA (path_bar->button_list->data)->button;
422 if (gtk_widget_get_child_visible (button)) {
423 gtk_widget_set_sensitive (path_bar->down_slider_button, FALSE);
424 } else {
425 gtk_widget_set_sensitive (path_bar->down_slider_button, TRUE);
426 }
427 button = BUTTON_DATA (g_list_last (path_bar->button_list)->data)->button;
428 if (gtk_widget_get_child_visible (button)) {
429 gtk_widget_set_sensitive (path_bar->up_slider_button, FALSE);
430 } else {
431 gtk_widget_set_sensitive (path_bar->up_slider_button, TRUE);
432 }
433 }
434 }
435
436 static void
437 nautilus_path_bar_unmap (GtkWidget *widget)
438 {
439 nautilus_path_bar_stop_scrolling (NAUTILUS_PATH_BAR (widget));
440
441 GTK_WIDGET_CLASS (nautilus_path_bar_parent_class)->unmap (widget);
442 }
443
444 /* This is a tad complicated */
445 static void
446 nautilus_path_bar_size_allocate (GtkWidget *widget,
447 GtkAllocation *allocation)
448 {
449 GtkWidget *child;
450 NautilusPathBar *path_bar;
451 GtkTextDirection direction;
452 GtkAllocation child_allocation;
453 GList *list, *first_button;
454 gint width;
455 gint allocation_width;
456 gint border_width;
457 gboolean need_sliders;
458 gint up_slider_offset;
459 gint down_slider_offset;
460
461 need_sliders = FALSE;
462 up_slider_offset = 0;
463 down_slider_offset = 0;
464 path_bar = NAUTILUS_PATH_BAR (widget);
465
466 widget->allocation = *allocation;
467
468
469 /* No path is set so we don't have to allocate anything. */
470 if (path_bar->button_list == NULL) {
471 return;
472 }
473 direction = gtk_widget_get_direction (widget);
474 border_width = (gint) GTK_CONTAINER (path_bar)->border_width;
475 allocation_width = allocation->width - 2 * border_width;
476
477 /* First, we check to see if we need the scrollbars. */
478 if (path_bar->fake_root) {
479 width = path_bar->spacing + path_bar->slider_width;
480 } else {
481 width = 0;
482 }
483
484 width += BUTTON_DATA (path_bar->button_list->data)->button->requisition.width;
485
486 for (list = path_bar->button_list->next; list; list = list->next) {
487 child = BUTTON_DATA (list->data)->button;
488 width += child->requisition.width + path_bar->spacing;
489
490 if (list == path_bar->fake_root) {
491 break;
492 }
493 }
494
495 if (width <= allocation_width) {
496 if (path_bar->fake_root) {
497 first_button = path_bar->fake_root;
498 } else {
499 first_button = g_list_last (path_bar->button_list);
500 }
501 } else {
502 gboolean reached_end;
503 gint slider_space;
504 reached_end = FALSE;
505 slider_space = 2 * (path_bar->spacing + path_bar->slider_width);
506
507 if (path_bar->first_scrolled_button) {
508 first_button = path_bar->first_scrolled_button;
509 } else {
510 first_button = path_bar->button_list;
511 }
512
513 need_sliders = TRUE;
514 /* To see how much space we have, and how many buttons we can display.
515 * We start at the first button, count forward until hit the new
516 * button, then count backwards.
517 */
518 /* Count down the path chain towards the end. */
519 width = BUTTON_DATA (first_button->data)->button->requisition.width;
520 list = first_button->prev;
521 while (list && !reached_end) {
522 child = BUTTON_DATA (list->data)->button;
523
524 if (width + child->requisition.width + path_bar->spacing + slider_space > allocation_width) {
525 reached_end = TRUE;
526 } else {
527 if (list == path_bar->fake_root) {
528 break;
529 } else {
530 width += child->requisition.width + path_bar->spacing;
531 }
532 }
533
534 list = list->prev;
535 }
536
537 /* Finally, we walk up, seeing how many of the previous buttons we can add*/
538
539 while (first_button->next && ! reached_end) {
540 child = BUTTON_DATA (first_button->next->data)->button;
541 if (width + child->requisition.width + path_bar->spacing + slider_space > allocation_width) {
542 reached_end = TRUE;
543 } else {
544 width += child->requisition.width + path_bar->spacing;
545 if (first_button == path_bar->fake_root) {
546 break;
547 }
548 first_button = first_button->next;
549 }
550 }
551 }
552
553 /* Now, we allocate space to the buttons */
554 child_allocation.y = allocation->y + border_width;
555 child_allocation.height = MAX (1, (gint) allocation->height - border_width * 2);
556
557 if (direction == GTK_TEXT_DIR_RTL) {
558 child_allocation.x = allocation->x + allocation->width - border_width;
559 if (need_sliders || path_bar->fake_root) {
560 child_allocation.x -= (path_bar->spacing + path_bar->slider_width);
561 up_slider_offset = allocation->width - border_width - path_bar->slider_width;
562 }
563 } else {
564 child_allocation.x = allocation->x + border_width;
565 if (need_sliders || path_bar->fake_root) {
566 up_slider_offset = border_width;
567 child_allocation.x += (path_bar->spacing + path_bar->slider_width);
568 }
569 }
570
571 for (list = first_button; list; list = list->prev) {
572 child = BUTTON_DATA (list->data)->button;
573
574 child_allocation.width = child->requisition.width;
575 if (direction == GTK_TEXT_DIR_RTL) {
576 child_allocation.x -= child_allocation.width;
577 }
578 /* Check to see if we've don't have any more space to allocate buttons */
579 if (need_sliders && direction == GTK_TEXT_DIR_RTL) {
580 if (child_allocation.x - path_bar->spacing - path_bar->slider_width < widget->allocation.x + border_width) {
581 break;
582 }
583 } else {
584 if (need_sliders && direction == GTK_TEXT_DIR_LTR) {
585 if (child_allocation.x + child_allocation.width + path_bar->spacing + path_bar->slider_width > widget->allocation.x + border_width + allocation_width) {
586 break;
587 }
588 }
589 }
590
591 gtk_widget_set_child_visible (BUTTON_DATA (list->data)->button, TRUE);
592 gtk_widget_size_allocate (child, &child_allocation);
593
594 if (direction == GTK_TEXT_DIR_RTL) {
595 child_allocation.x -= path_bar->spacing;
596 down_slider_offset = child_allocation.x - widget->allocation.x - path_bar->slider_width;
597 down_slider_offset = border_width;
598 } else {
599 down_slider_offset = child_allocation.x - widget->allocation.x;
600 down_slider_offset = allocation->width - border_width - path_bar->slider_width;
601 child_allocation.x += child_allocation.width + path_bar->spacing;
602 }
603 }
604 /* Now we go hide all the widgets that don't fit */
605 while (list) {
606 gtk_widget_set_child_visible (BUTTON_DATA (list->data)->button, FALSE);
607 list = list->prev;
608 }
609 for (list = first_button->next; list; list = list->next) {
610 gtk_widget_set_child_visible (BUTTON_DATA (list->data)->button, FALSE);
611 }
612
613 if (need_sliders || path_bar->fake_root) {
614 child_allocation.width = path_bar->slider_width;
615 child_allocation.x = up_slider_offset + allocation->x;
616 gtk_widget_size_allocate (path_bar->up_slider_button, &child_allocation);
617
618 gtk_widget_set_child_visible (path_bar->up_slider_button, TRUE);
619 gtk_widget_show_all (path_bar->up_slider_button);
620
621 } else {
622 gtk_widget_set_child_visible (path_bar->up_slider_button, FALSE);
623 }
624
625 if (need_sliders) {
626 child_allocation.width = path_bar->slider_width;
627 child_allocation.x = down_slider_offset + allocation->x;
628 gtk_widget_size_allocate (path_bar->down_slider_button, &child_allocation);
629
630 gtk_widget_set_child_visible (path_bar->down_slider_button, TRUE);
631 gtk_widget_show_all (path_bar->down_slider_button);
632 nautilus_path_bar_update_slider_buttons (path_bar);
633 } else {
634 gtk_widget_set_child_visible (path_bar->down_slider_button, FALSE);
635 }
636 }
637
638 static void
639 nautilus_path_bar_style_set (GtkWidget *widget, GtkStyle *previous_style)
640 {
641 if (GTK_WIDGET_CLASS (nautilus_path_bar_parent_class)->style_set) {
642 GTK_WIDGET_CLASS (nautilus_path_bar_parent_class)->style_set (widget, previous_style);
643 }
644
645 nautilus_path_bar_check_icon_theme (NAUTILUS_PATH_BAR (widget));
646 }
647
648 static void
649 nautilus_path_bar_screen_changed (GtkWidget *widget,
650 GdkScreen *previous_screen)
651 {
652 if (GTK_WIDGET_CLASS (nautilus_path_bar_parent_class)->screen_changed) {
653 GTK_WIDGET_CLASS (nautilus_path_bar_parent_class)->screen_changed (widget, previous_screen);
654 }
655 /* We might nave a new settings, so we remove the old one */
656 if (previous_screen) {
657 remove_settings_signal (NAUTILUS_PATH_BAR (widget), previous_screen);
658 }
659 nautilus_path_bar_check_icon_theme (NAUTILUS_PATH_BAR (widget));
660 }
661
662 static void
663 nautilus_path_bar_add (GtkContainer *container,
664 GtkWidget *widget)
665 {
666 gtk_widget_set_parent (widget, GTK_WIDGET (container));
667 }
668
669 static void
670 nautilus_path_bar_remove_1 (GtkContainer *container,
671 GtkWidget *widget)
672 {
673 gboolean was_visible = GTK_WIDGET_VISIBLE (widget);
674 gtk_widget_unparent (widget);
675 if (was_visible) {
676 gtk_widget_queue_resize (GTK_WIDGET (container));
677 }
678 }
679
680 static void
681 nautilus_path_bar_remove (GtkContainer *container,
682 GtkWidget *widget)
683 {
684 NautilusPathBar *path_bar;
685 GList *children;
686
687 path_bar = NAUTILUS_PATH_BAR (container);
688
689 if (widget == path_bar->up_slider_button) {
690 nautilus_path_bar_remove_1 (container, widget);
691 path_bar->up_slider_button = NULL;
692 return;
693 }
694
695 if (widget == path_bar->down_slider_button) {
696 nautilus_path_bar_remove_1 (container, widget);
697 path_bar->down_slider_button = NULL;
698 return;
699 }
700
701 children = path_bar->button_list;
702 while (children) {
703 if (widget == BUTTON_DATA (children->data)->button) {
704 nautilus_path_bar_remove_1 (container, widget);
705 path_bar->button_list = g_list_remove_link (path_bar->button_list, children);
706 g_list_free (children);
707 return;
708 }
709 children = children->next;
710 }
711 }
712
713 static void
714 nautilus_path_bar_forall (GtkContainer *container,
715 gboolean include_internals,
716 GtkCallback callback,
717 gpointer callback_data)
718 {
719 NautilusPathBar *path_bar;
720 GList *children;
721
722 g_return_if_fail (callback != NULL);
723 path_bar = NAUTILUS_PATH_BAR (container);
724
725 children = path_bar->button_list;
726 while (children) {
727 GtkWidget *child;
728 child = BUTTON_DATA (children->data)->button;
729 children = children->next;
730 (* callback) (child, callback_data);
731 }
732
733 if (path_bar->up_slider_button) {
734 (* callback) (path_bar->up_slider_button, callback_data);
735 }
736
737 if (path_bar->down_slider_button) {
738 (* callback) (path_bar->down_slider_button, callback_data);
739 }
740 }
741
742 static void
743 nautilus_path_bar_scroll_down (GtkWidget *button, NautilusPathBar *path_bar)
744 {
745 GList *list;
746 GList *down_button;
747 GList *up_button;
748 gint space_available;
749 gint space_needed;
750 gint border_width;
751 GtkTextDirection direction;
752
753 down_button = NULL;
754 up_button = NULL;
755
756 if (path_bar->ignore_click) {
757 path_bar->ignore_click = FALSE;
758 return;
759 }
760
761 gtk_widget_queue_resize (GTK_WIDGET (path_bar));
762
763 border_width = GTK_CONTAINER (path_bar)->border_width;
764 direction = gtk_widget_get_direction (GTK_WIDGET (path_bar));
765
766 /* We find the button at the 'down' end that we have to make */
767 /* visible */
768 for (list = path_bar->button_list; list; list = list->next) {
769 if (list->next && gtk_widget_get_child_visible (BUTTON_DATA (list->next->data)->button)) {
770 down_button = list;
771 break;
772 }
773 }
774
775 /* Find the last visible button on the 'up' end */
776 for (list = g_list_last (path_bar->button_list); list; list = list->prev) {
777 if (gtk_widget_get_child_visible (BUTTON_DATA (list->data)->button)) {
778 up_button = list;
779 break;
780 }
781 }
782
783 space_needed = BUTTON_DATA (down_button->data)->button->allocation.width + path_bar->spacing;
784 if (direction == GTK_TEXT_DIR_RTL) {
785 space_available = path_bar->down_slider_button->allocation.x - GTK_WIDGET (path_bar)->allocation.x;
786 } else {
787 space_available = (GTK_WIDGET (path_bar)->allocation.x + GTK_WIDGET (path_bar)->allocation.width - border_width) -
788 (path_bar->down_slider_button->allocation.x + path_bar->down_slider_button->allocation.width);
789 }
790
791 /* We have space_available extra space that's not being used. We
792 * need space_needed space to make the button fit. So we walk down
793 * from the end, removing buttons until we get all the space we
794 * need. */
795 while (space_available < space_needed) {
796 space_available += BUTTON_DATA (up_button->data)->button->allocation.width + path_bar->spacing;
797 up_button = up_button->prev;
798 path_bar->first_scrolled_button = up_button;
799 }
800 }
801
802 static void
803 nautilus_path_bar_scroll_up (GtkWidget *button, NautilusPathBar *path_bar)
804 {
805 GList *list;
806
807 if (path_bar->ignore_click) {
808 path_bar->ignore_click = FALSE;
809 return;
810 }
811
812 gtk_widget_queue_resize (GTK_WIDGET (path_bar));
813
814 for (list = g_list_last (path_bar->button_list); list; list = list->prev) {
815 if (list->prev && gtk_widget_get_child_visible (BUTTON_DATA (list->prev->data)->button)) {
816 if (list->prev == path_bar->fake_root) {
817 path_bar->fake_root = NULL;
818 }
819 path_bar->first_scrolled_button = list;
820 return;
821 }
822 }
823 }
824
825 static gboolean
826 nautilus_path_bar_scroll_timeout (NautilusPathBar *path_bar)
827 {
828 gboolean retval = FALSE;
829
830 GDK_THREADS_ENTER ();
831
832 if (path_bar->timer) {
833 if (GTK_WIDGET_HAS_FOCUS (path_bar->up_slider_button)) {
834 nautilus_path_bar_scroll_up (path_bar->up_slider_button, path_bar);
835 } else {
836 if (GTK_WIDGET_HAS_FOCUS (path_bar->down_slider_button)) {
837 nautilus_path_bar_scroll_down (path_bar->down_slider_button, path_bar);
838 }
839 }
840 if (path_bar->need_timer) {
841 path_bar->need_timer = FALSE;
842
843 path_bar->timer = g_timeout_add (SCROLL_TIMEOUT,
844 (GSourceFunc)nautilus_path_bar_scroll_timeout,
845 path_bar);
846
847 } else {
848 retval = TRUE;
849 }
850 }
851
852
853 GDK_THREADS_LEAVE ();
854
855 return retval;
856 }
857
858 static void
859 nautilus_path_bar_stop_scrolling (NautilusPathBar *path_bar)
860 {
861 if (path_bar->timer) {
862 g_source_remove (path_bar->timer);
863 path_bar->timer = 0;
864 path_bar->need_timer = FALSE;
865 }
866 }
867
868 static gboolean
869 nautilus_path_bar_slider_button_press (GtkWidget *widget,
870 GdkEventButton *event,
871 NautilusPathBar *path_bar)
872 {
873 if (!GTK_WIDGET_HAS_FOCUS (widget)) {
874 gtk_widget_grab_focus (widget);
875 }
876
877 if (event->type != GDK_BUTTON_PRESS || event->button != 1) {
878 return FALSE;
879 }
880
881 path_bar->ignore_click = FALSE;
882
883 if (widget == path_bar->up_slider_button) {
884 nautilus_path_bar_scroll_up (path_bar->up_slider_button, path_bar);
885 } else {
886 if (widget == path_bar->down_slider_button) {
887 nautilus_path_bar_scroll_down (path_bar->down_slider_button, path_bar);
888 }
889 }
890
891 if (!path_bar->timer) {
892 path_bar->need_timer = TRUE;
893 path_bar->timer = g_timeout_add (INITIAL_SCROLL_TIMEOUT,
894 (GSourceFunc)nautilus_path_bar_scroll_timeout,
895 path_bar);
896 }
897
898 return FALSE;
899 }
900
901 static gboolean
902 nautilus_path_bar_slider_button_release (GtkWidget *widget,
903 GdkEventButton *event,
904 NautilusPathBar *path_bar)
905 {
906 if (event->type != GDK_BUTTON_RELEASE) {
907 return FALSE;
908 }
909
910 path_bar->ignore_click = TRUE;
911 nautilus_path_bar_stop_scrolling (path_bar);
912
913 return FALSE;
914 }
915
916 static void
917 nautilus_path_bar_grab_notify (GtkWidget *widget,
918 gboolean was_grabbed)
919 {
920 if (!was_grabbed) {
921 nautilus_path_bar_stop_scrolling (NAUTILUS_PATH_BAR (widget));
922 }
923 }
924
925 static void
926 nautilus_path_bar_state_changed (GtkWidget *widget,
927 GtkStateType previous_state)
928 {
929 if (!GTK_WIDGET_IS_SENSITIVE (widget)) {
930 nautilus_path_bar_stop_scrolling (NAUTILUS_PATH_BAR (widget));
931 }
932 }
933
934
935
936 /* Changes the icons wherever it is needed */
937 static void
938 reload_icons (NautilusPathBar *path_bar)
939 {
940 GList *list;
941
942 if (path_bar->root_icon) {
943 g_object_unref (path_bar->root_icon);
944 path_bar->root_icon = NULL;
945 }
946 if (path_bar->home_icon) {
947 g_object_unref (path_bar->home_icon);
948 path_bar->home_icon = NULL;
949 }
950 if (path_bar->desktop_icon) {
951 g_object_unref (path_bar->desktop_icon);
952 path_bar->desktop_icon = NULL;
953 }
954
955
956 for (list = path_bar->button_list; list; list = list->next) {
957 ButtonData *button_data;
958 gboolean current_dir;
959
960 button_data = BUTTON_DATA (list->data);
961 if (button_data->type != NORMAL_BUTTON) {
962 current_dir = gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (button_data->button));
963 nautilus_path_bar_update_button_appearance (path_bar, button_data, current_dir);
964 }
965
966 }
967 }
968
969 static void
970 change_icon_theme (NautilusPathBar *path_bar)
971 {
972 path_bar->icon_size = NAUTILUS_PATH_BAR_ICON_SIZE;
973 reload_icons (path_bar);
974 }
975
976 /* Callback used when a GtkSettings value changes */
977 static void
978 settings_notify_cb (GObject *object,
979 GParamSpec *pspec,
980 NautilusPathBar *path_bar)
981 {
982 const char *name;
983
984 name = g_param_spec_get_name (pspec);
985
986 if (! strcmp (name, "gtk-icon-theme-name") || ! strcmp (name, "gtk-icon-sizes")) {
987 change_icon_theme (path_bar);
988 }
989 }
990
991 static void
992 nautilus_path_bar_check_icon_theme (NautilusPathBar *path_bar)
993 {
994 GtkSettings *settings;
995
996 if (path_bar->settings_signal_id) {
997 return;
998 }
999
1000 settings = gtk_settings_get_for_screen (gtk_widget_get_screen (GTK_WIDGET (path_bar)));
1001 path_bar->settings_signal_id = g_signal_connect (settings, "notify", G_CALLBACK (settings_notify_cb), path_bar);
1002
1003 change_icon_theme (path_bar);
1004 }
1005
1006 /* Public functions and their helpers */
1007 void
1008 nautilus_path_bar_clear_buttons (NautilusPathBar *path_bar)
1009 {
1010 while (path_bar->button_list != NULL) {
1011 gtk_container_remove (GTK_CONTAINER (path_bar), BUTTON_DATA (path_bar->button_list->data)->button);
1012 }
1013 path_bar->first_scrolled_button = NULL;
1014 path_bar->fake_root = NULL;
1015 }
1016
1017 static void
1018 button_clicked_cb (GtkWidget *button,
1019 gpointer data)
1020 {
1021 ButtonData *button_data;
1022 NautilusPathBar *path_bar;
1023 GList *button_list;
1024 gboolean child_is_hidden;
1025
1026 button_data = BUTTON_DATA (data);
1027 if (button_data->ignore_changes) {
1028 return;
1029 }
1030
1031 path_bar = NAUTILUS_PATH_BAR (button->parent);
1032
1033 button_list = g_list_find (path_bar->button_list, button_data);
1034 g_assert (button_list != NULL);
1035
1036 gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (button), TRUE);
1037
1038 if (button_list->prev) {
1039 ButtonData *child_data;
1040
1041 child_data = BUTTON_DATA (button_list->prev->data);
1042 child_is_hidden = child_data->file_is_hidden;
1043 } else {
1044 child_is_hidden = FALSE;
1045 }
1046 g_signal_emit (path_bar, path_bar_signals [PATH_CLICKED], 0, button_data->path);
1047 }
1048
1049 static GdkPixbuf *
1050 get_icon_for_file_path (GFile *location, const char *NAUTILUS_ICON_FOLDER_name)
1051 {
1052 NautilusFile *file;
1053 NautilusIconInfo *info;
1054 GdkPixbuf *pixbuf;
1055
1056 file = nautilus_file_get (location);
1057
1058 if (file != NULL &&
1059 nautilus_file_check_if_ready (file,
1060 NAUTILUS_FILE_ATTRIBUTES_FOR_ICON)) {
1061 info = nautilus_file_get_icon (file, NAUTILUS_PATH_BAR_ICON_SIZE, 0);
1062 pixbuf = nautilus_icon_info_get_pixbuf_at_size (info, NAUTILUS_PATH_BAR_ICON_SIZE);
1063 g_object_unref (info);
1064 return pixbuf;
1065 }
1066
1067 nautilus_file_unref (file);
1068
1069 info = nautilus_icon_info_lookup_from_name (NAUTILUS_ICON_FOLDER_name, NAUTILUS_PATH_BAR_ICON_SIZE);
1070 pixbuf = nautilus_icon_info_get_pixbuf_at_size (info, NAUTILUS_PATH_BAR_ICON_SIZE);
1071 g_object_unref (info);
1072
1073 return pixbuf;
1074 }
1075
1076 static GdkPixbuf *
1077 get_button_image (NautilusPathBar *path_bar,
1078 ButtonType button_type)
1079 {
1080 switch (button_type)
1081 {
1082 case ROOT_BUTTON:
1083 if (path_bar->root_icon != NULL) {
1084 return path_bar->root_icon;
1085 }
1086
1087 path_bar->root_icon = get_icon_for_file_path (path_bar->root_path, NAUTILUS_ICON_FILESYSTEM);
1088 return path_bar->root_icon;
1089
1090 case HOME_BUTTON:
1091 if (path_bar->home_icon != NULL) {
1092 return path_bar->home_icon;
1093 }
1094
1095 path_bar->home_icon = get_icon_for_file_path (path_bar->root_path, NAUTILUS_ICON_HOME);
1096 return path_bar->home_icon;
1097
1098 case DESKTOP_BUTTON:
1099 if (path_bar->desktop_icon != NULL) {
1100 return path_bar->desktop_icon;
1101 }
1102 path_bar->desktop_icon = get_icon_for_file_path (path_bar->root_path, NAUTILUS_ICON_DESKTOP);
1103 return path_bar->desktop_icon;
1104
1105 default:
1106 return NULL;
1107 }
1108
1109 return NULL;
1110 }
1111
1112 static void
1113 button_data_free (ButtonData *button_data)
1114 {
1115 g_object_unref (button_data->path);
1116 g_free (button_data->dir_name);
1117 if (button_data->custom_icon) {
1118 g_object_unref (button_data->custom_icon);
1119 }
1120 g_free (button_data);
1121 }
1122
1123 static const char *
1124 get_dir_name (ButtonData *button_data)
1125 {
1126 if (button_data->type == DESKTOP_BUTTON) {
1127 return _("Desktop");
1128 } else {
1129 return button_data->dir_name;
1130 }
1131 }
1132
1133 /* We always want to request the same size for the label, whether
1134 * or not the contents are bold
1135 */
1136 static void
1137 label_size_request_cb (GtkWidget *widget,
1138 GtkRequisition *requisition,
1139 ButtonData *button_data)
1140 {
1141 const gchar *dir_name = get_dir_name (button_data);
1142 PangoLayout *layout;
1143 gint bold_width, bold_height;
1144 gchar *markup;
1145
1146 layout = gtk_widget_create_pango_layout (button_data->label, dir_name);
1147 pango_layout_get_pixel_size (layout, &requisition->width, &requisition->height);
1148
1149 markup = g_markup_printf_escaped ("<b>%s</b>", dir_name);
1150 pango_layout_set_markup (layout, markup, -1);
1151 g_free (markup);
1152
1153 pango_layout_get_pixel_size (layout, &bold_width, &bold_height);
1154 requisition->width = MAX (requisition->width, bold_width);
1155 requisition->height = MAX (requisition->height, bold_height);
1156
1157 g_object_unref (layout);
1158 }
1159
1160 static void
1161 nautilus_path_bar_update_button_appearance (NautilusPathBar *path_bar,
1162 ButtonData *button_data,
1163 gboolean current_dir)
1164 {
1165 const gchar *dir_name = get_dir_name (button_data);
1166
1167
1168 if (button_data->label != NULL) {
1169 if (current_dir) {
1170 char *markup;
1171
1172 markup = g_markup_printf_escaped ("<b>%s</b>", dir_name);
1173 gtk_label_set_markup (GTK_LABEL (button_data->label), markup);
1174 g_free (markup);
1175 } else {
1176 gtk_label_set_text (GTK_LABEL (button_data->label), dir_name);
1177 }
1178 }
1179
1180 if (button_data->image != NULL) {
1181 if (button_data->type == MOUNT_BUTTON || (button_data->type == NORMAL_BUTTON && button_data->is_base_dir) ) {
1182
1183 /* set custom icon for roots */
1184 if (button_data->custom_icon) {
1185 gtk_image_set_from_pixbuf (GTK_IMAGE (button_data->image), button_data->custom_icon);
1186 }
1187 } else {
1188 GdkPixbuf *pixbuf;
1189 pixbuf = get_button_image (path_bar, button_data->type);
1190 gtk_image_set_from_pixbuf (GTK_IMAGE (button_data->image), pixbuf);
1191 }
1192 }
1193
1194 if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (button_data->button)) != current_dir) {
1195 button_data->ignore_changes = TRUE;
1196 gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (button_data->button), current_dir);
1197 button_data->ignore_changes = FALSE;
1198 }
1199 }
1200
1201 static gboolean
1202 is_file_path_mounted_mount (GFile *location, ButtonData *button_data)
1203 {
1204 GVolumeMonitor *volume_monitor;
1205 GList *mounts, *l;
1206 GMount *mount;
1207 gboolean result;
1208 GIcon *icon;
1209 NautilusIconInfo *info;
1210 GFile *root;
1211
1212 result = FALSE;
1213 volume_monitor = g_volume_monitor_get ();
1214 mounts = g_volume_monitor_get_mounts (volume_monitor);
1215 for (l = mounts; l != NULL; l = l->next) {
1216 mount = l->data;
1217 if (result) {
1218 g_object_unref (mount);
1219 continue;
1220 }
1221 root = g_mount_get_root (mount);
1222 if (g_file_equal (location, root)) {
1223 result = TRUE;
1224 /* set mount specific details in button_data */
1225 if (button_data) {
1226 icon = g_mount_get_icon (mount);
1227 if (icon == NULL) {
1228 icon = g_themed_icon_new (NAUTILUS_ICON_FOLDER);
1229 }
1230 info = nautilus_icon_info_lookup (icon, NAUTILUS_PATH_BAR_ICON_SIZE);
1231 g_object_unref (icon);
1232 button_data->custom_icon = nautilus_icon_info_get_pixbuf_at_size (info, NAUTILUS_PATH_BAR_ICON_SIZE);
1233 g_object_unref (info);
1234 button_data->path = g_object_ref (location);
1235 button_data->dir_name = g_mount_get_name (mount);
1236 }
1237 g_object_unref (mount);
1238 g_object_unref (root);
1239 continue;
1240 }
1241 g_object_unref (mount);
1242 g_object_unref (root);
1243 }
1244 g_list_free (mounts);
1245 return result;
1246 }
1247
1248 static ButtonType
1249 find_button_type (NautilusPathBar *path_bar,
1250 GFile *location,
1251 ButtonData *button_data)
1252 {
1253
1254
1255 if (path_bar->root_path != NULL && g_file_equal (location, path_bar->root_path)) {
1256 return ROOT_BUTTON;
1257 }
1258 if (path_bar->home_path != NULL && g_file_equal (location, path_bar->home_path)) {
1259 return HOME_BUTTON;
1260 }
1261 if (path_bar->desktop_path != NULL && g_file_equal (location, path_bar->desktop_path)) {
1262 if (!desktop_is_home) {
1263 return DESKTOP_BUTTON;
1264 } else {
1265 return NORMAL_BUTTON;
1266 }
1267 }
1268 if (is_file_path_mounted_mount (location, button_data)) {
1269 return MOUNT_BUTTON;
1270 }
1271
1272 return NORMAL_BUTTON;
1273 }
1274
1275 static void
1276 button_drag_data_get_cb (GtkWidget *widget,
1277 GdkDragContext *context,
1278 GtkSelectionData *selection_data,
1279 guint info,
1280 guint time_,
1281 gpointer data)
1282 {
1283 ButtonData *button_data;
1284 char *uri_list;
1285 char *uri;
1286
1287 button_data = data;
1288 uri = g_file_get_uri (button_data->path);
1289 uri_list = g_strconcat (uri, "\r\n", NULL);
1290 g_free (uri);
1291 gtk_selection_data_set (selection_data,
1292 selection_data->target,
1293 8,
1294 uri_list,
1295 strlen (uri_list));
1296 g_free (uri_list);
1297 }
1298
1299 static ButtonData *
1300 make_directory_button (NautilusPathBar *path_bar,
1301 const char *dir_name,
1302 GFile *path,
1303 gboolean current_dir,
1304 gboolean base_dir,
1305 gboolean file_is_hidden)
1306 {
1307 const GtkTargetEntry targets[] = {
1308 { "text/uri-list", 0, 0 }
1309 };
1310
1311 GtkWidget *child;
1312 GtkWidget *label_alignment;
1313 ButtonData *button_data;
1314
1315 child = NULL;
1316 label_alignment = NULL;
1317
1318 file_is_hidden = !! file_is_hidden;
1319 /* Is it a special button? */
1320 button_data = g_new0 (ButtonData, 1);
1321
1322 button_data->type = find_button_type (path_bar, path, button_data);
1323 button_data->button = gtk_toggle_button_new ();
1324 gtk_button_set_focus_on_click (GTK_BUTTON (button_data->button), FALSE);
1325
1326 switch (button_data->type) {
1327 case ROOT_BUTTON:
1328 button_data->image = gtk_image_new ();
1329 child = button_data->image;
1330 button_data->label = NULL;
1331 break;
1332 case HOME_BUTTON:
1333 case DESKTOP_BUTTON:
1334 case MOUNT_BUTTON:
1335 button_data->image = gtk_image_new ();
1336 button_data->label = gtk_label_new (NULL);
1337 label_alignment = gtk_alignment_new (0.5, 0.5, 1.0, 1.0);
1338 gtk_container_add (GTK_CONTAINER (label_alignment), button_data->label);
1339 child = gtk_hbox_new (FALSE, 2);
1340 gtk_box_pack_start (GTK_BOX (child), button_data->image, FALSE, FALSE, 0);
1341 gtk_box_pack_start (GTK_BOX (child), label_alignment, FALSE, FALSE, 0);
1342 break;
1343 case NORMAL_BUTTON:
1344 default:
1345 if (base_dir) {
1346 button_data->image = gtk_image_new ();
1347 button_data->label = gtk_label_new (NULL);
1348 label_alignment = gtk_alignment_new (0.5, 0.5, 1.0, 1.0);
1349 gtk_container_add (GTK_CONTAINER (label_alignment), button_data->label);
1350 child = gtk_hbox_new (FALSE, 2);
1351 gtk_box_pack_start (GTK_BOX (child), button_data->image, FALSE, FALSE, 0);
1352 gtk_box_pack_start (GTK_BOX (child), label_alignment, FALSE, FALSE, 0);
1353 button_data->is_base_dir = TRUE;
1354 button_data->custom_icon = get_icon_for_file_path (path, NAUTILUS_ICON_FOLDER);
1355 } else {
1356 button_data->is_base_dir = FALSE;
1357 button_data->label = gtk_label_new (NULL);
1358 label_alignment = gtk_alignment_new (0.5, 0.5, 1.0, 1.0);
1359 gtk_container_add (GTK_CONTAINER (label_alignment), button_data->label);
1360 child = label_alignment;
1361 button_data->image = NULL;
1362 }
1363 }
1364
1365 /* label_alignment is created because we can't override size-request
1366 * on label itself and still have the contents of the label centered
1367 * properly in the label's requisition
1368 */
1369
1370 if (label_alignment) {
1371 g_signal_connect (label_alignment, "size-request",
1372 G_CALLBACK (label_size_request_cb), button_data);
1373 }
1374
1375 /* do not set these for mounts */
1376 if (button_data->type != MOUNT_BUTTON) {
1377 button_data->dir_name = g_strdup (dir_name);
1378 button_data->path = g_object_ref (path);
1379 }
1380
1381 button_data->file_is_hidden = file_is_hidden;
1382
1383 gtk_container_add (GTK_CONTAINER (button_data->button), child);
1384 gtk_widget_show_all (button_data->button);
1385
1386 nautilus_path_bar_update_button_appearance (path_bar, button_data, current_dir);
1387
1388 g_signal_connect (button_data->button, "clicked", G_CALLBACK (button_clicked_cb), button_data);
1389 g_object_weak_ref (G_OBJECT (button_data->button), (GWeakNotify) button_data_free, button_data);
1390
1391 gtk_drag_source_set (button_data->button,
1392 GDK_BUTTON1_MASK,
1393 targets,
1394 G_N_ELEMENTS (targets),
1395 GDK_ACTION_COPY);
1396 g_signal_connect (button_data->button, "drag-data-get",G_CALLBACK (button_drag_data_get_cb), button_data);
1397
1398 return button_data;
1399 }
1400
1401 static gboolean
1402 nautilus_path_bar_check_parent_path (NautilusPathBar *path_bar,
1403 GFile *location)
1404 {
1405 GList *list;
1406 GList *current_path;
1407 gboolean need_new_fake_root;
1408
1409 current_path = NULL;
1410 need_new_fake_root = FALSE;
1411
1412 for (list = path_bar->button_list; list; list = list->next) {
1413 ButtonData *button_data;
1414
1415 button_data = list->data;
1416 if (g_file_equal (location, button_data->path)) {
1417 current_path = list;
1418 break;
1419 }
1420 if (list == path_bar->fake_root) {
1421 need_new_fake_root = TRUE;
1422 }
1423 }
1424
1425 if (current_path) {
1426
1427 if (need_new_fake_root) {
1428 path_bar->fake_root = NULL;
1429 for (list = current_path; list; list = list->next) {
1430 ButtonData *button_data;
1431
1432 button_data = list->data;
1433 if (BUTTON_IS_FAKE_ROOT (button_data)) {
1434 path_bar->fake_root = list;
1435 break;
1436 }
1437 }
1438 }
1439
1440 for (list = path_bar->button_list; list; list = list->next) {
1441
1442 nautilus_path_bar_update_button_appearance (path_bar,
1443 BUTTON_DATA (list->data),
1444 (list == current_path) ? TRUE : FALSE);
1445 }
1446
1447 if (!gtk_widget_get_child_visible (BUTTON_DATA (current_path->data)->button)) {
1448 path_bar->first_scrolled_button = current_path;
1449 gtk_widget_queue_resize (GTK_WIDGET (path_bar));
1450 }
1451 return TRUE;
1452 }
1453 return FALSE;
1454 }
1455
1456 static char *
1457 get_display_name_for_folder (GFile *location)
1458 {
1459 GFileInfo *info;
1460 char *name;
1461
1462 /* This does sync i/o, which isn't ideal.
1463 * It should probably use the NautilusFile machinery
1464 */
1465
1466 name = NULL;
1467 info = g_file_query_info (location,
1468 G_FILE_ATTRIBUTE_STANDARD_DISPLAY_NAME,
1469 0, NULL, NULL);
1470 if (info) {
1471 name = g_strdup (g_file_info_get_display_name (info));
1472 g_object_unref (info);
1473 }
1474
1475 if (name == NULL) {
1476 name = g_file_get_basename (location);
1477 }
1478 return name;
1479 }
1480
1481
1482 static gboolean
1483 nautilus_path_bar_update_path (NautilusPathBar *path_bar, GFile *file_path)
1484 {
1485 GFile *path, *parent_path;
1486 char *name;
1487 gboolean first_directory, last_directory;
1488 gboolean result;
1489 GList *new_buttons, *l, *fake_root;
1490 ButtonData *button_data;
1491
1492 g_return_val_if_fail (NAUTILUS_IS_PATH_BAR (path_bar), FALSE);
1493 g_return_val_if_fail (file_path != NULL, FALSE);
1494
1495 name = NULL;
1496 fake_root = NULL;
1497 result = TRUE;
1498 parent_path = NULL;
1499 first_directory = TRUE;
1500 last_directory = FALSE;
1501 new_buttons = NULL;
1502
1503 path = g_object_ref (file_path);
1504
1505 gtk_widget_push_composite_child ();
1506
1507 while (path != NULL) {
1508
1509 parent_path = g_file_get_parent (path);
1510 name = get_display_name_for_folder (path);
1511 last_directory = !parent_path;
1512 button_data = make_directory_button (path_bar, name, path, first_directory, last_directory, FALSE);
1513 g_object_unref (path);
1514 g_free (name);
1515
1516 new_buttons = g_list_prepend (new_buttons, button_data);
1517
1518 if (BUTTON_IS_FAKE_ROOT (button_data)) {
1519 fake_root = new_buttons;
1520 }
1521
1522 path = parent_path;
1523 first_directory = FALSE;
1524 }
1525
1526 nautilus_path_bar_clear_buttons (path_bar);
1527 path_bar->button_list = g_list_reverse (new_buttons);
1528 path_bar->fake_root = fake_root;
1529
1530 for (l = path_bar->button_list; l; l = l->next) {
1531 GtkWidget *button;
1532 button = BUTTON_DATA (l->data)->button;
1533 gtk_container_add (GTK_CONTAINER (path_bar), button);
1534 }
1535
1536 gtk_widget_pop_composite_child ();
1537
1538 return result;
1539 }
1540
1541 gboolean
1542 nautilus_path_bar_set_path (NautilusPathBar *path_bar, GFile *file_path)
1543 {
1544 g_return_val_if_fail (NAUTILUS_IS_PATH_BAR (path_bar), FALSE);
1545 g_return_val_if_fail (file_path != NULL, FALSE);
1546
1547 /* Check whether the new path is already present in the pathbar as buttons.
1548 * This could be a parent directory or a previous selected subdirectory. */
1549 if (nautilus_path_bar_check_parent_path (path_bar, file_path)) {
1550 return TRUE;
1551 }
1552
1553 return nautilus_path_bar_update_path (path_bar, file_path);
1554 }
1555
1556
1557
1558 /**
1559 * _nautilus_path_bar_up:
1560 * @path_bar: a #NautilusPathBar
1561 *
1562 * If the selected button in the pathbar is not the furthest button "up" (in the
1563 * root direction), act as if the user clicked on the next button up.
1564 **/
1565 void
1566 nautilus_path_bar_up (NautilusPathBar *path_bar)
1567 {
1568 GList *l;
1569
1570 for (l = path_bar->button_list; l; l = l->next) {
1571 GtkWidget *button = BUTTON_DATA (l->data)->button;
1572 if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (button))) {
1573 if (l->next) {
1574 GtkWidget *next_button = BUTTON_DATA (l->next->data)->button;
1575 button_clicked_cb (next_button, l->next->data);
1576 }
1577 break;
1578 }
1579 }
1580 }
1581
1582 /**
1583 * _nautilus_path_bar_down:
1584 * @path_bar: a #NautilusPathBar
1585 *
1586 * If the selected button in the pathbar is not the furthest button "down" (in the
1587 * leaf direction), act as if the user clicked on the next button down.
1588 **/
1589 void
1590 nautilus_path_bar_down (NautilusPathBar *path_bar)
1591 {
1592 GList *l;
1593
1594 for (l = path_bar->button_list; l; l = l->next) {
1595 GtkWidget *button = BUTTON_DATA (l->data)->button;
1596 if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (button))) {
1597 if (l->prev) {
1598 GtkWidget *prev_button = BUTTON_DATA (l->prev->data)->button;
1599 button_clicked_cb (prev_button, l->prev->data);
1600 }
1601 break;
1602 }
1603 }
1604 }
Nautilus File Manager (svn mirror)