1 | /* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*- |
---|
2 | * |
---|
3 | * Copyright (C) 2007 Ray Strode <rstrode@redhat.com> |
---|
4 | * Copyright (C) 2007 William Jon McCann <mccann@jhu.edu> |
---|
5 | * Copyright (C) 2008 Red Hat, Inc. |
---|
6 | * |
---|
7 | * This program is free software; you can redistribute it and/or modify |
---|
8 | * it under the terms of the GNU General Public License as published by |
---|
9 | * the Free Software Foundation; either version 2 of the License, or |
---|
10 | * (at your option) any later version. |
---|
11 | * |
---|
12 | * This program is distributed in the hope that it will be useful, |
---|
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
---|
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
---|
15 | * GNU General Public License for more details. |
---|
16 | * |
---|
17 | * You should have received a copy of the GNU General Public License |
---|
18 | * along with this program; if not, write to the Free Software |
---|
19 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
---|
20 | * |
---|
21 | */ |
---|
22 | |
---|
23 | #include "config.h" |
---|
24 | |
---|
25 | #include <stdlib.h> |
---|
26 | #include <stdio.h> |
---|
27 | #include <unistd.h> |
---|
28 | #include <string.h> |
---|
29 | #include <errno.h> |
---|
30 | #include <dirent.h> |
---|
31 | #include <sys/stat.h> |
---|
32 | #include <syslog.h> |
---|
33 | |
---|
34 | #include <glib.h> |
---|
35 | #include <glib/gi18n.h> |
---|
36 | #include <glib/gstdio.h> |
---|
37 | #include <gtk/gtk.h> |
---|
38 | |
---|
39 | #include "gdm-chooser-widget.h" |
---|
40 | #include "gdm-scrollable-widget.h" |
---|
41 | #include "gdm-cell-renderer-timer.h" |
---|
42 | #include "gdm-timer.h" |
---|
43 | |
---|
44 | #define GDM_CHOOSER_WIDGET_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), GDM_TYPE_CHOOSER_WIDGET, GdmChooserWidgetPrivate)) |
---|
45 | |
---|
46 | #ifndef GDM_CHOOSER_WIDGET_DEFAULT_ICON_SIZE |
---|
47 | #define GDM_CHOOSER_WIDGET_DEFAULT_ICON_SIZE 64 |
---|
48 | #endif |
---|
49 | |
---|
50 | typedef enum { |
---|
51 | GDM_CHOOSER_WIDGET_STATE_GROWN = 0, |
---|
52 | GDM_CHOOSER_WIDGET_STATE_GROWING, |
---|
53 | GDM_CHOOSER_WIDGET_STATE_SHRINKING, |
---|
54 | GDM_CHOOSER_WIDGET_STATE_SHRUNK, |
---|
55 | } GdmChooserWidgetState; |
---|
56 | |
---|
57 | struct GdmChooserWidgetPrivate |
---|
58 | { |
---|
59 | GtkWidget *frame; |
---|
60 | GtkWidget *frame_alignment; |
---|
61 | GtkWidget *scrollable_widget; |
---|
62 | |
---|
63 | GtkWidget *items_view; |
---|
64 | GtkListStore *list_store; |
---|
65 | |
---|
66 | GtkTreeModelFilter *model_filter; |
---|
67 | GtkTreeModelSort *model_sorter; |
---|
68 | |
---|
69 | GdkPixbuf *is_in_use_pixbuf; |
---|
70 | |
---|
71 | /* row for the list_store model */ |
---|
72 | GtkTreeRowReference *active_row; |
---|
73 | GtkTreeRowReference *separator_row; |
---|
74 | |
---|
75 | GHashTable *rows_with_timers; |
---|
76 | |
---|
77 | GtkTreeViewColumn *status_column; |
---|
78 | GtkTreeViewColumn *image_column; |
---|
79 | |
---|
80 | char *inactive_text; |
---|
81 | char *active_text; |
---|
82 | char *in_use_message; |
---|
83 | |
---|
84 | gint number_of_normal_rows; |
---|
85 | gint number_of_separated_rows; |
---|
86 | gint number_of_rows_with_status; |
---|
87 | gint number_of_rows_with_images; |
---|
88 | gint number_of_active_timers; |
---|
89 | |
---|
90 | guint update_idle_id; |
---|
91 | guint timer_animation_timeout_id; |
---|
92 | |
---|
93 | guint32 should_hide_inactive_items : 1; |
---|
94 | guint32 emit_activated_after_resize_animation : 1; |
---|
95 | guint32 was_fully_grown : 1; |
---|
96 | |
---|
97 | GdmChooserWidgetPosition separator_position; |
---|
98 | GdmChooserWidgetState state; |
---|
99 | |
---|
100 | double active_row_normalized_position; |
---|
101 | int height_when_grown; |
---|
102 | }; |
---|
103 | |
---|
104 | enum { |
---|
105 | PROP_0, |
---|
106 | PROP_INACTIVE_TEXT, |
---|
107 | PROP_ACTIVE_TEXT, |
---|
108 | PROP_LIST_VISIBLE |
---|
109 | }; |
---|
110 | |
---|
111 | enum { |
---|
112 | ACTIVATED = 0, |
---|
113 | DEACTIVATED, |
---|
114 | LOADED, |
---|
115 | NUMBER_OF_SIGNALS |
---|
116 | }; |
---|
117 | |
---|
118 | static guint signals[NUMBER_OF_SIGNALS]; |
---|
119 | |
---|
120 | static void gdm_chooser_widget_class_init (GdmChooserWidgetClass *klass); |
---|
121 | static void gdm_chooser_widget_init (GdmChooserWidget *chooser_widget); |
---|
122 | static void gdm_chooser_widget_finalize (GObject *object); |
---|
123 | |
---|
124 | static void update_timer_from_time (GdmChooserWidget *widget, |
---|
125 | GtkTreeRowReference *row, |
---|
126 | double now); |
---|
127 | |
---|
128 | G_DEFINE_TYPE (GdmChooserWidget, gdm_chooser_widget, GTK_TYPE_ALIGNMENT) |
---|
129 | |
---|
130 | enum { |
---|
131 | CHOOSER_IMAGE_COLUMN = 0, |
---|
132 | CHOOSER_NAME_COLUMN, |
---|
133 | CHOOSER_COMMENT_COLUMN, |
---|
134 | CHOOSER_PRIORITY_COLUMN, |
---|
135 | CHOOSER_ITEM_IS_IN_USE_COLUMN, |
---|
136 | CHOOSER_ITEM_IS_SEPARATED_COLUMN, |
---|
137 | CHOOSER_ITEM_IS_VISIBLE_COLUMN, |
---|
138 | CHOOSER_TIMER_START_TIME_COLUMN, |
---|
139 | CHOOSER_TIMER_DURATION_COLUMN, |
---|
140 | CHOOSER_TIMER_VALUE_COLUMN, |
---|
141 | CHOOSER_ID_COLUMN, |
---|
142 | NUMBER_OF_CHOOSER_COLUMNS |
---|
143 | }; |
---|
144 | |
---|
145 | static gboolean |
---|
146 | find_item (GdmChooserWidget *widget, |
---|
147 | const char *id, |
---|
148 | GtkTreeIter *iter) |
---|
149 | { |
---|
150 | GtkTreeModel *model; |
---|
151 | gboolean found_item; |
---|
152 | |
---|
153 | g_assert (GDM_IS_CHOOSER_WIDGET (widget)); |
---|
154 | g_assert (id != NULL); |
---|
155 | |
---|
156 | found_item = FALSE; |
---|
157 | model = GTK_TREE_MODEL (widget->priv->list_store); |
---|
158 | |
---|
159 | if (!gtk_tree_model_get_iter_first (model, iter)) { |
---|
160 | return FALSE; |
---|
161 | } |
---|
162 | |
---|
163 | do { |
---|
164 | char *item_id; |
---|
165 | |
---|
166 | gtk_tree_model_get (model, |
---|
167 | iter, |
---|
168 | CHOOSER_ID_COLUMN, |
---|
169 | &item_id, |
---|
170 | -1); |
---|
171 | |
---|
172 | g_assert (item_id != NULL); |
---|
173 | |
---|
174 | if (strcmp (id, item_id) == 0) { |
---|
175 | found_item = TRUE; |
---|
176 | } |
---|
177 | g_free (item_id); |
---|
178 | |
---|
179 | } while (!found_item && gtk_tree_model_iter_next (model, iter)); |
---|
180 | |
---|
181 | return found_item; |
---|
182 | } |
---|
183 | |
---|
184 | typedef struct { |
---|
185 | GdmChooserWidget *widget; |
---|
186 | GdmChooserUpdateForeachFunc func; |
---|
187 | gpointer user_data; |
---|
188 | } UpdateForeachData; |
---|
189 | |
---|
190 | static gboolean |
---|
191 | foreach_item (GtkTreeModel *model, |
---|
192 | GtkTreePath *path, |
---|
193 | GtkTreeIter *iter, |
---|
194 | UpdateForeachData *data) |
---|
195 | { |
---|
196 | GdkPixbuf *image; |
---|
197 | char *name; |
---|
198 | char *comment; |
---|
199 | gboolean in_use; |
---|
200 | gboolean is_separate; |
---|
201 | gboolean res; |
---|
202 | char *id; |
---|
203 | gulong priority; |
---|
204 | |
---|
205 | gtk_tree_model_get (model, |
---|
206 | iter, |
---|
207 | CHOOSER_ID_COLUMN, &id, |
---|
208 | CHOOSER_IMAGE_COLUMN, &image, |
---|
209 | CHOOSER_NAME_COLUMN, &name, |
---|
210 | CHOOSER_COMMENT_COLUMN, &comment, |
---|
211 | CHOOSER_PRIORITY_COLUMN, &priority, |
---|
212 | CHOOSER_ITEM_IS_IN_USE_COLUMN, &in_use, |
---|
213 | CHOOSER_ITEM_IS_SEPARATED_COLUMN, &is_separate, |
---|
214 | -1); |
---|
215 | res = data->func (data->widget, |
---|
216 | (const char *)id, |
---|
217 | &image, |
---|
218 | &name, |
---|
219 | &comment, |
---|
220 | &priority, |
---|
221 | &in_use, |
---|
222 | &is_separate, |
---|
223 | data->user_data); |
---|
224 | if (res) { |
---|
225 | gtk_list_store_set (GTK_LIST_STORE (model), |
---|
226 | iter, |
---|
227 | CHOOSER_ID_COLUMN, id, |
---|
228 | CHOOSER_IMAGE_COLUMN, image, |
---|
229 | CHOOSER_NAME_COLUMN, name, |
---|
230 | CHOOSER_COMMENT_COLUMN, comment, |
---|
231 | CHOOSER_PRIORITY_COLUMN, priority, |
---|
232 | CHOOSER_ITEM_IS_IN_USE_COLUMN, in_use, |
---|
233 | CHOOSER_ITEM_IS_SEPARATED_COLUMN, is_separate, |
---|
234 | -1); |
---|
235 | } |
---|
236 | |
---|
237 | g_free (name); |
---|
238 | g_free (comment); |
---|
239 | if (image != NULL) { |
---|
240 | g_object_unref (image); |
---|
241 | } |
---|
242 | |
---|
243 | return FALSE; |
---|
244 | } |
---|
245 | |
---|
246 | void |
---|
247 | gdm_chooser_widget_update_foreach_item (GdmChooserWidget *widget, |
---|
248 | GdmChooserUpdateForeachFunc func, |
---|
249 | gpointer user_data) |
---|
250 | { |
---|
251 | UpdateForeachData fdata; |
---|
252 | |
---|
253 | fdata.widget = widget; |
---|
254 | fdata.func = func; |
---|
255 | fdata.user_data = user_data; |
---|
256 | gtk_tree_model_foreach (GTK_TREE_MODEL (widget->priv->list_store), |
---|
257 | (GtkTreeModelForeachFunc) foreach_item, |
---|
258 | &fdata); |
---|
259 | } |
---|
260 | |
---|
261 | static void |
---|
262 | translate_list_path_to_view_path (GdmChooserWidget *widget, |
---|
263 | GtkTreePath **path) |
---|
264 | { |
---|
265 | GtkTreePath *filtered_path; |
---|
266 | GtkTreePath *sorted_path; |
---|
267 | |
---|
268 | /* the child model is the source for the filter */ |
---|
269 | filtered_path = gtk_tree_model_filter_convert_child_path_to_path (widget->priv->model_filter, |
---|
270 | *path); |
---|
271 | sorted_path = gtk_tree_model_sort_convert_child_path_to_path (widget->priv->model_sorter, |
---|
272 | filtered_path); |
---|
273 | gtk_tree_path_free (filtered_path); |
---|
274 | |
---|
275 | gtk_tree_path_free (*path); |
---|
276 | *path = sorted_path; |
---|
277 | } |
---|
278 | |
---|
279 | |
---|
280 | static void |
---|
281 | translate_view_path_to_list_path (GdmChooserWidget *widget, |
---|
282 | GtkTreePath **path) |
---|
283 | { |
---|
284 | GtkTreePath *filtered_path; |
---|
285 | GtkTreePath *list_path; |
---|
286 | |
---|
287 | /* the child model is the source for the filter */ |
---|
288 | filtered_path = gtk_tree_model_sort_convert_path_to_child_path (widget->priv->model_sorter, |
---|
289 | *path); |
---|
290 | |
---|
291 | list_path = gtk_tree_model_filter_convert_path_to_child_path (widget->priv->model_filter, |
---|
292 | filtered_path); |
---|
293 | gtk_tree_path_free (filtered_path); |
---|
294 | |
---|
295 | gtk_tree_path_free (*path); |
---|
296 | *path = list_path; |
---|
297 | } |
---|
298 | |
---|
299 | static GtkTreePath * |
---|
300 | get_list_path_to_active_row (GdmChooserWidget *widget) |
---|
301 | { |
---|
302 | GtkTreePath *path; |
---|
303 | |
---|
304 | if (widget->priv->active_row == NULL) { |
---|
305 | return NULL; |
---|
306 | } |
---|
307 | |
---|
308 | path = gtk_tree_row_reference_get_path (widget->priv->active_row); |
---|
309 | if (path == NULL) { |
---|
310 | return NULL; |
---|
311 | } |
---|
312 | |
---|
313 | return path; |
---|
314 | } |
---|
315 | |
---|
316 | static GtkTreePath * |
---|
317 | get_view_path_to_active_row (GdmChooserWidget *widget) |
---|
318 | { |
---|
319 | GtkTreePath *path; |
---|
320 | |
---|
321 | path = get_list_path_to_active_row (widget); |
---|
322 | if (path == NULL) { |
---|
323 | return NULL; |
---|
324 | } |
---|
325 | |
---|
326 | translate_list_path_to_view_path (widget, &path); |
---|
327 | |
---|
328 | return path; |
---|
329 | } |
---|
330 | |
---|
331 | static char * |
---|
332 | get_active_item_id (GdmChooserWidget *widget, |
---|
333 | GtkTreeIter *iter) |
---|
334 | { |
---|
335 | char *item_id; |
---|
336 | GtkTreeModel *model; |
---|
337 | GtkTreePath *path; |
---|
338 | |
---|
339 | g_return_val_if_fail (GDM_IS_CHOOSER_WIDGET (widget), NULL); |
---|
340 | |
---|
341 | model = GTK_TREE_MODEL (widget->priv->list_store); |
---|
342 | item_id = NULL; |
---|
343 | |
---|
344 | if (widget->priv->active_row == NULL) { |
---|
345 | return NULL; |
---|
346 | } |
---|
347 | |
---|
348 | path = get_list_path_to_active_row (widget); |
---|
349 | if (path == NULL) { |
---|
350 | return NULL; |
---|
351 | } |
---|
352 | |
---|
353 | if (gtk_tree_model_get_iter (model, iter, path)) { |
---|
354 | gtk_tree_model_get (model, |
---|
355 | iter, |
---|
356 | CHOOSER_ID_COLUMN, |
---|
357 | &item_id, |
---|
358 | -1); |
---|
359 | } |
---|
360 | gtk_tree_path_free (path); |
---|
361 | |
---|
362 | return item_id; |
---|
363 | } |
---|
364 | |
---|
365 | char * |
---|
366 | gdm_chooser_widget_get_active_item (GdmChooserWidget *widget) |
---|
367 | { |
---|
368 | GtkTreeIter iter; |
---|
369 | |
---|
370 | return get_active_item_id (widget, &iter); |
---|
371 | } |
---|
372 | |
---|
373 | static void |
---|
374 | get_selected_list_path (GdmChooserWidget *widget, |
---|
375 | GtkTreePath **pathp) |
---|
376 | { |
---|
377 | GtkTreeSelection *selection; |
---|
378 | GtkTreeModel *sort_model; |
---|
379 | GtkTreeIter sorted_iter; |
---|
380 | GtkTreePath *path; |
---|
381 | |
---|
382 | path = NULL; |
---|
383 | |
---|
384 | selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (widget->priv->items_view)); |
---|
385 | if (gtk_tree_selection_get_selected (selection, &sort_model, &sorted_iter)) { |
---|
386 | |
---|
387 | g_assert (sort_model == GTK_TREE_MODEL (widget->priv->model_sorter)); |
---|
388 | |
---|
389 | path = gtk_tree_model_get_path (sort_model, &sorted_iter); |
---|
390 | |
---|
391 | translate_view_path_to_list_path (widget, &path); |
---|
392 | } else { |
---|
393 | g_debug ("GdmChooserWidget: no rows selected"); |
---|
394 | } |
---|
395 | |
---|
396 | *pathp = path; |
---|
397 | } |
---|
398 | |
---|
399 | char * |
---|
400 | gdm_chooser_widget_get_selected_item (GdmChooserWidget *widget) |
---|
401 | { |
---|
402 | GtkTreeIter iter; |
---|
403 | GtkTreeModel *model; |
---|
404 | GtkTreePath *path; |
---|
405 | char *id; |
---|
406 | |
---|
407 | id = NULL; |
---|
408 | |
---|
409 | get_selected_list_path (widget, &path); |
---|
410 | |
---|
411 | if (path == NULL) { |
---|
412 | return NULL; |
---|
413 | } |
---|
414 | |
---|
415 | model = GTK_TREE_MODEL (widget->priv->list_store); |
---|
416 | |
---|
417 | if (gtk_tree_model_get_iter (model, &iter, path)) { |
---|
418 | gtk_tree_model_get (model, |
---|
419 | &iter, |
---|
420 | CHOOSER_ID_COLUMN, |
---|
421 | &id, |
---|
422 | -1); |
---|
423 | } |
---|
424 | |
---|
425 | gtk_tree_path_free (path); |
---|
426 | |
---|
427 | return id; |
---|
428 | } |
---|
429 | |
---|
430 | void |
---|
431 | gdm_chooser_widget_set_selected_item (GdmChooserWidget *widget, |
---|
432 | const char *id) |
---|
433 | { |
---|
434 | GtkTreeIter iter; |
---|
435 | GtkTreeSelection *selection; |
---|
436 | GtkTreeModel *model; |
---|
437 | |
---|
438 | g_return_if_fail (GDM_IS_CHOOSER_WIDGET (widget)); |
---|
439 | |
---|
440 | g_debug ("GdmChooserWidget: setting selected item '%s'", |
---|
441 | id ? id : "(null)"); |
---|
442 | |
---|
443 | selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (widget->priv->items_view)); |
---|
444 | |
---|
445 | model = GTK_TREE_MODEL (widget->priv->list_store); |
---|
446 | |
---|
447 | if (find_item (widget, id, &iter)) { |
---|
448 | GtkTreePath *path; |
---|
449 | |
---|
450 | path = gtk_tree_model_get_path (model, &iter); |
---|
451 | translate_list_path_to_view_path (widget, &path); |
---|
452 | |
---|
453 | gtk_tree_selection_select_path (selection, path); |
---|
454 | |
---|
455 | gtk_tree_view_scroll_to_cell (GTK_TREE_VIEW (widget->priv->items_view), |
---|
456 | path, |
---|
457 | NULL, |
---|
458 | TRUE, |
---|
459 | 0.5, |
---|
460 | 0.0); |
---|
461 | |
---|
462 | gtk_tree_view_set_cursor (GTK_TREE_VIEW (widget->priv->items_view), |
---|
463 | path, |
---|
464 | NULL, |
---|
465 | FALSE); |
---|
466 | gtk_tree_path_free (path); |
---|
467 | } else { |
---|
468 | gtk_tree_selection_unselect_all (selection); |
---|
469 | } |
---|
470 | } |
---|
471 | |
---|
472 | static void |
---|
473 | activate_from_item_id (GdmChooserWidget *widget, |
---|
474 | const char *item_id) |
---|
475 | { |
---|
476 | GtkTreeModel *model; |
---|
477 | GtkTreePath *path; |
---|
478 | GtkTreeIter iter; |
---|
479 | char *path_str; |
---|
480 | |
---|
481 | model = GTK_TREE_MODEL (widget->priv->list_store); |
---|
482 | path = NULL; |
---|
483 | |
---|
484 | if (find_item (widget, item_id, &iter)) { |
---|
485 | path = gtk_tree_model_get_path (model, &iter); |
---|
486 | |
---|
487 | path_str = gtk_tree_path_to_string (path); |
---|
488 | g_debug ("GdmChooserWidget: got list path '%s'", path_str); |
---|
489 | g_free (path_str); |
---|
490 | |
---|
491 | translate_list_path_to_view_path (widget, &path); |
---|
492 | |
---|
493 | path_str = gtk_tree_path_to_string (path); |
---|
494 | g_debug ("GdmChooserWidget: translated to view path '%s'", path_str); |
---|
495 | g_free (path_str); |
---|
496 | } |
---|
497 | |
---|
498 | if (path == NULL) { |
---|
499 | g_debug ("GdmChooserWidget: unable to activate - path for item '%s' not found", item_id); |
---|
500 | return; |
---|
501 | } |
---|
502 | |
---|
503 | gtk_tree_view_scroll_to_cell (GTK_TREE_VIEW (widget->priv->items_view), |
---|
504 | path, |
---|
505 | NULL, |
---|
506 | TRUE, |
---|
507 | 0.5, |
---|
508 | 0.0); |
---|
509 | |
---|
510 | gtk_tree_view_set_cursor (GTK_TREE_VIEW (widget->priv->items_view), |
---|
511 | path, |
---|
512 | NULL, |
---|
513 | FALSE); |
---|
514 | |
---|
515 | gtk_tree_view_row_activated (GTK_TREE_VIEW (widget->priv->items_view), |
---|
516 | path, |
---|
517 | NULL); |
---|
518 | gtk_tree_path_free (path); |
---|
519 | } |
---|
520 | |
---|
521 | static void |
---|
522 | set_frame_text (GdmChooserWidget *widget, |
---|
523 | const char *text) |
---|
524 | { |
---|
525 | GtkWidget *label; |
---|
526 | |
---|
527 | label = gtk_frame_get_label_widget (GTK_FRAME (widget->priv->frame)); |
---|
528 | |
---|
529 | if (text == NULL && label != NULL) { |
---|
530 | gtk_frame_set_label_widget (GTK_FRAME (widget->priv->frame), |
---|
531 | NULL); |
---|
532 | gtk_alignment_set_padding (GTK_ALIGNMENT (widget->priv->frame_alignment), |
---|
533 | 0, 0, 0, 0); |
---|
534 | } else if (text != NULL && label == NULL) { |
---|
535 | label = gtk_label_new (""); |
---|
536 | gtk_label_set_mnemonic_widget (GTK_LABEL (label), |
---|
537 | widget->priv->items_view); |
---|
538 | gtk_widget_show (label); |
---|
539 | gtk_frame_set_label_widget (GTK_FRAME (widget->priv->frame), |
---|
540 | label); |
---|
541 | gtk_alignment_set_padding (GTK_ALIGNMENT (widget->priv->frame_alignment), |
---|
542 | 0, 0, 0, 0); |
---|
543 | } |
---|
544 | |
---|
545 | if (label != NULL && text != NULL) { |
---|
546 | char *markup; |
---|
547 | markup = g_strdup_printf ("%s", text); |
---|
548 | gtk_label_set_markup_with_mnemonic (GTK_LABEL (label), markup); |
---|
549 | g_free (markup); |
---|
550 | } |
---|
551 | } |
---|
552 | |
---|
553 | static void |
---|
554 | on_shrink_animation_step (GdmScrollableWidget *scrollable_widget, |
---|
555 | double progress, |
---|
556 | GdmChooserWidget *widget) |
---|
557 | { |
---|
558 | GtkTreePath *active_row_path; |
---|
559 | const double final_alignment = 0.5; |
---|
560 | double row_alignment; |
---|
561 | |
---|
562 | active_row_path = get_view_path_to_active_row (widget); |
---|
563 | row_alignment = widget->priv->active_row_normalized_position + progress * (final_alignment - widget->priv->active_row_normalized_position); |
---|
564 | |
---|
565 | gtk_tree_view_scroll_to_cell (GTK_TREE_VIEW (widget->priv->items_view), |
---|
566 | active_row_path, NULL, TRUE, row_alignment, 0.0); |
---|
567 | gtk_tree_path_free (active_row_path); |
---|
568 | } |
---|
569 | |
---|
570 | static void |
---|
571 | update_separator_visibility (GdmChooserWidget *widget) |
---|
572 | { |
---|
573 | GtkTreePath *separator_path; |
---|
574 | GtkTreeIter iter; |
---|
575 | gboolean is_visible; |
---|
576 | |
---|
577 | separator_path = gtk_tree_row_reference_get_path (widget->priv->separator_row); |
---|
578 | |
---|
579 | if (separator_path == NULL) { |
---|
580 | return; |
---|
581 | } |
---|
582 | |
---|
583 | gtk_tree_model_get_iter (GTK_TREE_MODEL (widget->priv->list_store), |
---|
584 | &iter, separator_path); |
---|
585 | |
---|
586 | if (widget->priv->number_of_normal_rows > 0 && |
---|
587 | widget->priv->number_of_separated_rows > 0 && |
---|
588 | widget->priv->state != GDM_CHOOSER_WIDGET_STATE_SHRUNK) { |
---|
589 | is_visible = TRUE; |
---|
590 | } else { |
---|
591 | is_visible = FALSE; |
---|
592 | } |
---|
593 | |
---|
594 | gtk_list_store_set (widget->priv->list_store, |
---|
595 | &iter, |
---|
596 | CHOOSER_ITEM_IS_VISIBLE_COLUMN, is_visible, |
---|
597 | -1); |
---|
598 | } |
---|
599 | |
---|
600 | static void |
---|
601 | update_chooser_visibility (GdmChooserWidget *widget) |
---|
602 | { |
---|
603 | if (gdm_chooser_widget_get_number_of_items (widget) > 0) { |
---|
604 | gtk_widget_show (widget->priv->scrollable_widget); |
---|
605 | } else { |
---|
606 | gtk_widget_hide (widget->priv->scrollable_widget); |
---|
607 | } |
---|
608 | g_object_notify (G_OBJECT (widget), "list-visible"); |
---|
609 | } |
---|
610 | |
---|
611 | static void |
---|
612 | set_inactive_items_visible (GdmChooserWidget *widget, |
---|
613 | gboolean should_show) |
---|
614 | { |
---|
615 | GtkTreeModel *model; |
---|
616 | char *active_item_id; |
---|
617 | GtkTreeIter active_item_iter; |
---|
618 | GtkTreeIter iter; |
---|
619 | |
---|
620 | model = GTK_TREE_MODEL (widget->priv->list_store); |
---|
621 | |
---|
622 | if (!gtk_tree_model_get_iter_first (model, &iter)) { |
---|
623 | return; |
---|
624 | } |
---|
625 | |
---|
626 | active_item_id = get_active_item_id (widget, &active_item_iter); |
---|
627 | |
---|
628 | do { |
---|
629 | gboolean is_active; |
---|
630 | |
---|
631 | is_active = FALSE; |
---|
632 | if (active_item_id != NULL) { |
---|
633 | char *id; |
---|
634 | |
---|
635 | gtk_tree_model_get (model, &iter, |
---|
636 | CHOOSER_ID_COLUMN, &id, -1); |
---|
637 | |
---|
638 | if (strcmp (active_item_id, id) == 0) { |
---|
639 | is_active = TRUE; |
---|
640 | g_free (active_item_id); |
---|
641 | active_item_id = NULL; |
---|
642 | } |
---|
643 | g_free (id); |
---|
644 | } |
---|
645 | |
---|
646 | if (!is_active) { |
---|
647 | gtk_list_store_set (widget->priv->list_store, |
---|
648 | &iter, |
---|
649 | CHOOSER_ITEM_IS_VISIBLE_COLUMN, should_show, |
---|
650 | -1); |
---|
651 | } else { |
---|
652 | gtk_list_store_set (widget->priv->list_store, |
---|
653 | &iter, |
---|
654 | CHOOSER_ITEM_IS_VISIBLE_COLUMN, TRUE, |
---|
655 | -1); |
---|
656 | } |
---|
657 | } while (gtk_tree_model_iter_next (model, &iter)); |
---|
658 | |
---|
659 | g_free (active_item_id); |
---|
660 | |
---|
661 | update_separator_visibility (widget); |
---|
662 | } |
---|
663 | |
---|
664 | static void |
---|
665 | on_shrink_animation_complete (GdmScrollableWidget *scrollable_widget, |
---|
666 | GdmChooserWidget *widget) |
---|
667 | { |
---|
668 | g_assert (widget->priv->state == GDM_CHOOSER_WIDGET_STATE_SHRINKING); |
---|
669 | |
---|
670 | g_debug ("GdmChooserWidget: shrink complete"); |
---|
671 | |
---|
672 | widget->priv->active_row_normalized_position = 0.5; |
---|
673 | set_inactive_items_visible (GDM_CHOOSER_WIDGET (widget), FALSE); |
---|
674 | gtk_tree_view_set_enable_search (GTK_TREE_VIEW (widget->priv->items_view), FALSE); |
---|
675 | widget->priv->state = GDM_CHOOSER_WIDGET_STATE_SHRUNK; |
---|
676 | |
---|
677 | update_separator_visibility (widget); |
---|
678 | |
---|
679 | if (widget->priv->emit_activated_after_resize_animation) { |
---|
680 | g_signal_emit (widget, signals[ACTIVATED], 0); |
---|
681 | widget->priv->emit_activated_after_resize_animation = FALSE; |
---|
682 | } |
---|
683 | } |
---|
684 | |
---|
685 | static int |
---|
686 | get_height_of_row_at_path (GdmChooserWidget *widget, |
---|
687 | GtkTreePath *path) |
---|
688 | { |
---|
689 | GdkRectangle area; |
---|
690 | |
---|
691 | gtk_tree_view_get_background_area (GTK_TREE_VIEW (widget->priv->items_view), |
---|
692 | path, NULL, &area); |
---|
693 | |
---|
694 | return area.height; |
---|
695 | } |
---|
696 | |
---|
697 | static double |
---|
698 | get_normalized_position_of_row_at_path (GdmChooserWidget *widget, |
---|
699 | GtkTreePath *path) |
---|
700 | { |
---|
701 | GdkRectangle area_of_row_at_path; |
---|
702 | GdkRectangle area_of_visible_rows; |
---|
703 | |
---|
704 | gtk_tree_view_get_background_area (GTK_TREE_VIEW (widget->priv->items_view), |
---|
705 | path, NULL, &area_of_row_at_path); |
---|
706 | |
---|
707 | gtk_tree_view_convert_tree_to_widget_coords (GTK_TREE_VIEW (widget->priv->items_view), |
---|
708 | area_of_visible_rows.x, |
---|
709 | area_of_visible_rows.y, |
---|
710 | &area_of_visible_rows.x, |
---|
711 | &area_of_visible_rows.y); |
---|
712 | return CLAMP (((double) area_of_row_at_path.y) / widget->priv->items_view->allocation.height, 0.0, 1.0); |
---|
713 | } |
---|
714 | |
---|
715 | static void |
---|
716 | start_shrink_animation (GdmChooserWidget *widget) |
---|
717 | { |
---|
718 | GtkTreePath *active_row_path; |
---|
719 | int active_row_height; |
---|
720 | int number_of_visible_rows; |
---|
721 | |
---|
722 | g_assert (widget->priv->active_row != NULL); |
---|
723 | |
---|
724 | number_of_visible_rows = gtk_tree_model_iter_n_children (GTK_TREE_MODEL (widget->priv->model_sorter), NULL); |
---|
725 | |
---|
726 | if (number_of_visible_rows <= 1) { |
---|
727 | on_shrink_animation_complete (GDM_SCROLLABLE_WIDGET (widget->priv->scrollable_widget), |
---|
728 | widget); |
---|
729 | return; |
---|
730 | } |
---|
731 | |
---|
732 | active_row_path = get_view_path_to_active_row (widget); |
---|
733 | active_row_height = get_height_of_row_at_path (widget, active_row_path); |
---|
734 | widget->priv->active_row_normalized_position = get_normalized_position_of_row_at_path (widget, active_row_path); |
---|
735 | gtk_tree_path_free (active_row_path); |
---|
736 | |
---|
737 | gdm_scrollable_widget_slide_to_height (GDM_SCROLLABLE_WIDGET (widget->priv->scrollable_widget), |
---|
738 | active_row_height, |
---|
739 | (GdmScrollableWidgetSlideStepFunc) |
---|
740 | on_shrink_animation_step, widget, |
---|
741 | (GdmScrollableWidgetSlideDoneFunc) |
---|
742 | on_shrink_animation_complete, widget); |
---|
743 | } |
---|
744 | |
---|
745 | static char * |
---|
746 | get_first_item (GdmChooserWidget *widget) |
---|
747 | { |
---|
748 | GtkTreeModel *model; |
---|
749 | GtkTreeIter iter; |
---|
750 | char *id; |
---|
751 | |
---|
752 | model = GTK_TREE_MODEL (widget->priv->list_store); |
---|
753 | |
---|
754 | if (!gtk_tree_model_get_iter_first (model, &iter)) { |
---|
755 | g_assert_not_reached (); |
---|
756 | } |
---|
757 | |
---|
758 | gtk_tree_model_get (model, &iter, |
---|
759 | CHOOSER_ID_COLUMN, &id, -1); |
---|
760 | return id; |
---|
761 | } |
---|
762 | |
---|
763 | static gboolean |
---|
764 | activate_if_one_item (GdmChooserWidget *widget) |
---|
765 | { |
---|
766 | char *id; |
---|
767 | |
---|
768 | g_debug ("GdmChooserWidget: attempting to activate single item"); |
---|
769 | |
---|
770 | if (gdm_chooser_widget_get_number_of_items (widget) != 1) { |
---|
771 | g_debug ("GdmChooserWidget: unable to activate single item - has %d items", gdm_chooser_widget_get_number_of_items (widget)); |
---|
772 | return FALSE; |
---|
773 | } |
---|
774 | |
---|
775 | id = get_first_item (widget); |
---|
776 | if (id != NULL) { |
---|
777 | gdm_chooser_widget_set_active_item (widget, id); |
---|
778 | g_free (id); |
---|
779 | } |
---|
780 | |
---|
781 | return FALSE; |
---|
782 | } |
---|
783 | |
---|
784 | static void |
---|
785 | _grab_focus (GtkWidget *widget) |
---|
786 | { |
---|
787 | GtkWidget *foc_widget; |
---|
788 | |
---|
789 | foc_widget = GDM_CHOOSER_WIDGET (widget)->priv->items_view; |
---|
790 | g_debug ("GdmChooserWidget: grabbing focus"); |
---|
791 | if (! GTK_WIDGET_REALIZED (foc_widget)) { |
---|
792 | g_debug ("GdmChooserWidget: not grabbing focus - not realized"); |
---|
793 | return; |
---|
794 | } |
---|
795 | |
---|
796 | if (GTK_WIDGET_HAS_FOCUS (foc_widget)) { |
---|
797 | g_debug ("GdmChooserWidget: not grabbing focus - already has it"); |
---|
798 | return; |
---|
799 | } |
---|
800 | |
---|
801 | gtk_widget_grab_focus (foc_widget); |
---|
802 | } |
---|
803 | |
---|
804 | static void |
---|
805 | on_grow_animation_complete (GdmScrollableWidget *scrollable_widget, |
---|
806 | GdmChooserWidget *widget) |
---|
807 | { |
---|
808 | g_assert (widget->priv->state == GDM_CHOOSER_WIDGET_STATE_GROWING); |
---|
809 | widget->priv->state = GDM_CHOOSER_WIDGET_STATE_GROWN; |
---|
810 | widget->priv->was_fully_grown = TRUE; |
---|
811 | gtk_tree_view_set_enable_search (GTK_TREE_VIEW (widget->priv->items_view), TRUE); |
---|
812 | |
---|
813 | _grab_focus (GTK_WIDGET (widget)); |
---|
814 | } |
---|
815 | |
---|
816 | static int |
---|
817 | get_height_of_screen (GdmChooserWidget *widget) |
---|
818 | { |
---|
819 | GdkScreen *screen; |
---|
820 | GdkRectangle area; |
---|
821 | int monitor; |
---|
822 | |
---|
823 | screen = gtk_widget_get_screen (GTK_WIDGET (widget)); |
---|
824 | |
---|
825 | monitor = gdk_screen_get_monitor_at_window (screen, |
---|
826 | gdk_screen_get_root_window (screen)); |
---|
827 | gdk_screen_get_monitor_geometry (screen, monitor, &area); |
---|
828 | |
---|
829 | return area.height; |
---|
830 | } |
---|
831 | |
---|
832 | static int |
---|
833 | get_number_of_on_screen_rows (GdmChooserWidget *widget) |
---|
834 | { |
---|
835 | GtkTreePath *start_path; |
---|
836 | GtkTreePath *end_path; |
---|
837 | int *start_index; |
---|
838 | int *end_index; |
---|
839 | int number_of_rows; |
---|
840 | |
---|
841 | if (!gtk_tree_view_get_visible_range (GTK_TREE_VIEW (widget->priv->items_view), |
---|
842 | &start_path, &end_path)) { |
---|
843 | return 0; |
---|
844 | } |
---|
845 | |
---|
846 | start_index = gtk_tree_path_get_indices (start_path); |
---|
847 | end_index = gtk_tree_path_get_indices (end_path); |
---|
848 | |
---|
849 | number_of_rows = *end_index - *start_index + 1; |
---|
850 | |
---|
851 | gtk_tree_path_free (start_path); |
---|
852 | gtk_tree_path_free (end_path); |
---|
853 | |
---|
854 | return number_of_rows; |
---|
855 | } |
---|
856 | |
---|
857 | static void |
---|
858 | on_grow_animation_step (GdmScrollableWidget *scrollable_widget, |
---|
859 | double progress, |
---|
860 | GdmChooserWidget *widget) |
---|
861 | { |
---|
862 | int number_of_visible_rows; |
---|
863 | int number_of_on_screen_rows; |
---|
864 | |
---|
865 | number_of_visible_rows = gtk_tree_model_iter_n_children (GTK_TREE_MODEL (widget->priv->model_sorter), NULL); |
---|
866 | number_of_on_screen_rows = get_number_of_on_screen_rows (widget); |
---|
867 | |
---|
868 | if (number_of_on_screen_rows >= number_of_visible_rows) { |
---|
869 | gdm_scrollable_widget_stop_sliding (scrollable_widget); |
---|
870 | return; |
---|
871 | } |
---|
872 | } |
---|
873 | |
---|
874 | static void |
---|
875 | start_grow_animation (GdmChooserWidget *widget) |
---|
876 | { |
---|
877 | int number_of_visible_rows; |
---|
878 | int number_of_rows; |
---|
879 | int height; |
---|
880 | |
---|
881 | number_of_visible_rows = gtk_tree_model_iter_n_children (GTK_TREE_MODEL (widget->priv->model_sorter), NULL); |
---|
882 | number_of_rows = gtk_tree_model_iter_n_children (GTK_TREE_MODEL (widget->priv->list_store), NULL); |
---|
883 | |
---|
884 | if (number_of_visible_rows >= number_of_rows) { |
---|
885 | on_grow_animation_complete (GDM_SCROLLABLE_WIDGET (widget->priv->scrollable_widget), widget); |
---|
886 | return; |
---|
887 | } |
---|
888 | |
---|
889 | set_inactive_items_visible (widget, TRUE); |
---|
890 | |
---|
891 | if (widget->priv->was_fully_grown) { |
---|
892 | height = widget->priv->height_when_grown; |
---|
893 | } else { |
---|
894 | height = get_height_of_screen (widget); |
---|
895 | } |
---|
896 | gdm_scrollable_widget_slide_to_height (GDM_SCROLLABLE_WIDGET (widget->priv->scrollable_widget), |
---|
897 | widget->priv->height_when_grown, |
---|
898 | (GdmScrollableWidgetSlideStepFunc) |
---|
899 | on_grow_animation_step, widget, |
---|
900 | (GdmScrollableWidgetSlideDoneFunc) |
---|
901 | on_grow_animation_complete, widget); |
---|
902 | } |
---|
903 | |
---|
904 | static void |
---|
905 | skip_resize_animation (GdmChooserWidget *widget) |
---|
906 | { |
---|
907 | if (widget->priv->state == GDM_CHOOSER_WIDGET_STATE_SHRINKING) { |
---|
908 | set_inactive_items_visible (GDM_CHOOSER_WIDGET (widget), FALSE); |
---|
909 | gtk_tree_view_set_enable_search (GTK_TREE_VIEW (widget->priv->items_view), FALSE); |
---|
910 | widget->priv->state = GDM_CHOOSER_WIDGET_STATE_SHRUNK; |
---|
911 | } else if (widget->priv->state == GDM_CHOOSER_WIDGET_STATE_GROWING) { |
---|
912 | set_inactive_items_visible (GDM_CHOOSER_WIDGET (widget), TRUE); |
---|
913 | gtk_tree_view_set_enable_search (GTK_TREE_VIEW (widget->priv->items_view), TRUE); |
---|
914 | widget->priv->state = GDM_CHOOSER_WIDGET_STATE_GROWN; |
---|
915 | widget->priv->was_fully_grown = FALSE; |
---|
916 | _grab_focus (GTK_WIDGET (widget)); |
---|
917 | } |
---|
918 | } |
---|
919 | |
---|
920 | static void |
---|
921 | gdm_chooser_widget_grow (GdmChooserWidget *widget) |
---|
922 | { |
---|
923 | if (widget->priv->state == GDM_CHOOSER_WIDGET_STATE_SHRINKING) { |
---|
924 | gdm_scrollable_widget_stop_sliding (GDM_SCROLLABLE_WIDGET (widget->priv->scrollable_widget)); |
---|
925 | widget->priv->was_fully_grown = FALSE; |
---|
926 | } |
---|
927 | |
---|
928 | gtk_alignment_set (GTK_ALIGNMENT (widget->priv->frame_alignment), |
---|
929 | 0.0, 0.0, 1.0, 1.0); |
---|
930 | |
---|
931 | set_frame_text (widget, widget->priv->inactive_text); |
---|
932 | |
---|
933 | widget->priv->state = GDM_CHOOSER_WIDGET_STATE_GROWING; |
---|
934 | |
---|
935 | if (GTK_WIDGET_VISIBLE (widget)) { |
---|
936 | start_grow_animation (widget); |
---|
937 | } else { |
---|
938 | skip_resize_animation (widget); |
---|
939 | } |
---|
940 | } |
---|
941 | |
---|
942 | static void |
---|
943 | move_cursor_to_top (GdmChooserWidget *widget) |
---|
944 | { |
---|
945 | GtkTreeModel *model; |
---|
946 | GtkTreePath *path; |
---|
947 | GtkTreeIter iter; |
---|
948 | |
---|
949 | model = gtk_tree_view_get_model (GTK_TREE_VIEW (widget->priv->items_view)); |
---|
950 | path = gtk_tree_path_new_first (); |
---|
951 | if (gtk_tree_model_get_iter (model, &iter, path)) { |
---|
952 | gtk_tree_view_set_cursor (GTK_TREE_VIEW (widget->priv->items_view), |
---|
953 | path, |
---|
954 | NULL, |
---|
955 | FALSE); |
---|
956 | } |
---|
957 | gtk_tree_path_free (path); |
---|
958 | } |
---|
959 | |
---|
960 | static gboolean |
---|
961 | clear_selection (GdmChooserWidget *widget) |
---|
962 | { |
---|
963 | GtkTreeSelection *selection; |
---|
964 | GtkWidget *window; |
---|
965 | |
---|
966 | g_debug ("GdmChooserWidget: clearing selection"); |
---|
967 | |
---|
968 | selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (widget->priv->items_view)); |
---|
969 | gtk_tree_selection_unselect_all (selection); |
---|
970 | |
---|
971 | window = gtk_widget_get_ancestor (GTK_WIDGET (widget), GTK_TYPE_WINDOW); |
---|
972 | |
---|
973 | if (window != NULL) { |
---|
974 | gtk_window_set_focus (GTK_WINDOW (window), NULL); |
---|
975 | } |
---|
976 | |
---|
977 | return FALSE; |
---|
978 | } |
---|
979 | |
---|
980 | static void |
---|
981 | gdm_chooser_widget_shrink (GdmChooserWidget *widget) |
---|
982 | { |
---|
983 | g_assert (widget->priv->should_hide_inactive_items == TRUE); |
---|
984 | |
---|
985 | if (widget->priv->state == GDM_CHOOSER_WIDGET_STATE_GROWING) { |
---|
986 | gdm_scrollable_widget_stop_sliding (GDM_SCROLLABLE_WIDGET (widget->priv->scrollable_widget)); |
---|
987 | } |
---|
988 | |
---|
989 | set_frame_text (widget, widget->priv->active_text); |
---|
990 | |
---|
991 | gtk_alignment_set (GTK_ALIGNMENT (widget->priv->frame_alignment), |
---|
992 | 0.0, 0.0, 1.0, 0.0); |
---|
993 | |
---|
994 | clear_selection (widget); |
---|
995 | |
---|
996 | widget->priv->state = GDM_CHOOSER_WIDGET_STATE_SHRINKING; |
---|
997 | |
---|
998 | if (GTK_WIDGET_VISIBLE (widget)) { |
---|
999 | start_shrink_animation (widget); |
---|
1000 | } else { |
---|
1001 | skip_resize_animation (widget); |
---|
1002 | } |
---|
1003 | } |
---|
1004 | |
---|
1005 | static void |
---|
1006 | activate_from_row (GdmChooserWidget *widget, |
---|
1007 | GtkTreeRowReference *row) |
---|
1008 | { |
---|
1009 | g_assert (row != NULL); |
---|
1010 | g_assert (gtk_tree_row_reference_valid (row)); |
---|
1011 | |
---|
1012 | if (widget->priv->active_row != NULL) { |
---|
1013 | gtk_tree_row_reference_free (widget->priv->active_row); |
---|
1014 | widget->priv->active_row = NULL; |
---|
1015 | } |
---|
1016 | |
---|
1017 | widget->priv->active_row = gtk_tree_row_reference_copy (row); |
---|
1018 | |
---|
1019 | if (widget->priv->should_hide_inactive_items) { |
---|
1020 | g_debug ("GdmChooserWidget: will emit activated after resize"); |
---|
1021 | widget->priv->emit_activated_after_resize_animation = TRUE; |
---|
1022 | gdm_chooser_widget_shrink (widget); |
---|
1023 | } else { |
---|
1024 | g_debug ("GdmChooserWidget: emitting activated"); |
---|
1025 | g_signal_emit (widget, signals[ACTIVATED], 0); |
---|
1026 | } |
---|
1027 | } |
---|
1028 | |
---|
1029 | static void |
---|
1030 | deactivate (GdmChooserWidget *widget) |
---|
1031 | { |
---|
1032 | GtkTreePath *path; |
---|
1033 | |
---|
1034 | if (widget->priv->active_row == NULL) { |
---|
1035 | return; |
---|
1036 | } |
---|
1037 | |
---|
1038 | path = get_view_path_to_active_row (widget); |
---|
1039 | |
---|
1040 | gtk_tree_row_reference_free (widget->priv->active_row); |
---|
1041 | widget->priv->active_row = NULL; |
---|
1042 | |
---|
1043 | gtk_tree_view_set_cursor (GTK_TREE_VIEW (widget->priv->items_view), |
---|
1044 | path, NULL, FALSE); |
---|
1045 | gtk_tree_path_free (path); |
---|
1046 | |
---|
1047 | if (widget->priv->state != GDM_CHOOSER_WIDGET_STATE_GROWN) { |
---|
1048 | gdm_chooser_widget_grow (widget); |
---|
1049 | } |
---|
1050 | |
---|
1051 | g_signal_emit (widget, signals[DEACTIVATED], 0); |
---|
1052 | } |
---|
1053 | |
---|
1054 | void |
---|
1055 | gdm_chooser_widget_activate_selected_item (GdmChooserWidget *widget) |
---|
1056 | { |
---|
1057 | GtkTreeRowReference *row; |
---|
1058 | gboolean is_already_active; |
---|
1059 | GtkTreePath *path; |
---|
1060 | GtkTreeModel *model; |
---|
1061 | |
---|
1062 | row = NULL; |
---|
1063 | model = GTK_TREE_MODEL (widget->priv->list_store); |
---|
1064 | is_already_active = FALSE; |
---|
1065 | |
---|
1066 | path = NULL; |
---|
1067 | |
---|
1068 | get_selected_list_path (widget, &path); |
---|
1069 | if (path == NULL) { |
---|
1070 | g_debug ("GdmChooserWidget: no row selected"); |
---|
1071 | return; |
---|
1072 | } |
---|
1073 | |
---|
1074 | if (widget->priv->active_row != NULL) { |
---|
1075 | GtkTreePath *active_path; |
---|
1076 | |
---|
1077 | active_path = gtk_tree_row_reference_get_path (widget->priv->active_row); |
---|
1078 | |
---|
1079 | if (gtk_tree_path_compare (path, active_path) == 0) { |
---|
1080 | is_already_active = TRUE; |
---|
1081 | } |
---|
1082 | gtk_tree_path_free (active_path); |
---|
1083 | } |
---|
1084 | g_assert (path != NULL); |
---|
1085 | row = gtk_tree_row_reference_new (model, path); |
---|
1086 | gtk_tree_path_free (path); |
---|
1087 | |
---|
1088 | if (!is_already_active) { |
---|
1089 | activate_from_row (widget, row); |
---|
1090 | } else { |
---|
1091 | g_debug ("GdmChooserWidget: row is already active"); |
---|
1092 | } |
---|
1093 | gtk_tree_row_reference_free (row); |
---|
1094 | } |
---|
1095 | |
---|
1096 | void |
---|
1097 | gdm_chooser_widget_set_active_item (GdmChooserWidget *widget, |
---|
1098 | const char *id) |
---|
1099 | { |
---|
1100 | g_return_if_fail (GDM_IS_CHOOSER_WIDGET (widget)); |
---|
1101 | |
---|
1102 | g_debug ("GdmChooserWidget: setting active item '%s'", |
---|
1103 | id ? id : "(null)"); |
---|
1104 | |
---|
1105 | if (id != NULL) { |
---|
1106 | activate_from_item_id (widget, id); |
---|
1107 | } else { |
---|
1108 | deactivate (widget); |
---|
1109 | } |
---|
1110 | } |
---|
1111 | |
---|
1112 | static void |
---|
1113 | gdm_chooser_widget_set_property (GObject *object, |
---|
1114 | guint prop_id, |
---|
1115 | const GValue *value, |
---|
1116 | GParamSpec *pspec) |
---|
1117 | { |
---|
1118 | GdmChooserWidget *self; |
---|
1119 | |
---|
1120 | self = GDM_CHOOSER_WIDGET (object); |
---|
1121 | |
---|
1122 | switch (prop_id) { |
---|
1123 | |
---|
1124 | case PROP_INACTIVE_TEXT: |
---|
1125 | g_free (self->priv->inactive_text); |
---|
1126 | self->priv->inactive_text = g_value_dup_string (value); |
---|
1127 | |
---|
1128 | if (self->priv->active_row == NULL) { |
---|
1129 | set_frame_text (self, self->priv->inactive_text); |
---|
1130 | } |
---|
1131 | break; |
---|
1132 | |
---|
1133 | case PROP_ACTIVE_TEXT: |
---|
1134 | g_free (self->priv->active_text); |
---|
1135 | self->priv->active_text = g_value_dup_string (value); |
---|
1136 | |
---|
1137 | if (self->priv->active_row != NULL) { |
---|
1138 | set_frame_text (self, self->priv->active_text); |
---|
1139 | } |
---|
1140 | break; |
---|
1141 | |
---|
1142 | default: |
---|
1143 | G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); |
---|
1144 | break; |
---|
1145 | } |
---|
1146 | } |
---|
1147 | |
---|
1148 | static void |
---|
1149 | gdm_chooser_widget_get_property (GObject *object, |
---|
1150 | guint prop_id, |
---|
1151 | GValue *value, |
---|
1152 | GParamSpec *pspec) |
---|
1153 | { |
---|
1154 | GdmChooserWidget *self; |
---|
1155 | |
---|
1156 | self = GDM_CHOOSER_WIDGET (object); |
---|
1157 | |
---|
1158 | switch (prop_id) { |
---|
1159 | case PROP_INACTIVE_TEXT: |
---|
1160 | g_value_set_string (value, self->priv->inactive_text); |
---|
1161 | break; |
---|
1162 | |
---|
1163 | case PROP_ACTIVE_TEXT: |
---|
1164 | g_value_set_string (value, self->priv->active_text); |
---|
1165 | break; |
---|
1166 | case PROP_LIST_VISIBLE: |
---|
1167 | g_value_set_boolean (value, GTK_WIDGET_VISIBLE (self->priv->scrollable_widget)); |
---|
1168 | break; |
---|
1169 | default: |
---|
1170 | G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); |
---|
1171 | break; |
---|
1172 | } |
---|
1173 | } |
---|
1174 | |
---|
1175 | static void |
---|
1176 | gdm_chooser_widget_dispose (GObject *object) |
---|
1177 | { |
---|
1178 | GdmChooserWidget *widget; |
---|
1179 | |
---|
1180 | widget = GDM_CHOOSER_WIDGET (object); |
---|
1181 | |
---|
1182 | if (widget->priv->separator_row != NULL) { |
---|
1183 | gtk_tree_row_reference_free (widget->priv->separator_row); |
---|
1184 | widget->priv->separator_row = NULL; |
---|
1185 | } |
---|
1186 | |
---|
1187 | if (widget->priv->active_row != NULL) { |
---|
1188 | gtk_tree_row_reference_free (widget->priv->active_row); |
---|
1189 | widget->priv->active_row = NULL; |
---|
1190 | } |
---|
1191 | |
---|
1192 | if (widget->priv->inactive_text != NULL) { |
---|
1193 | g_free (widget->priv->inactive_text); |
---|
1194 | widget->priv->inactive_text = NULL; |
---|
1195 | } |
---|
1196 | |
---|
1197 | if (widget->priv->active_text != NULL) { |
---|
1198 | g_free (widget->priv->active_text); |
---|
1199 | widget->priv->active_text = NULL; |
---|
1200 | } |
---|
1201 | |
---|
1202 | if (widget->priv->in_use_message != NULL) { |
---|
1203 | g_free (widget->priv->in_use_message); |
---|
1204 | widget->priv->in_use_message = NULL; |
---|
1205 | } |
---|
1206 | |
---|
1207 | G_OBJECT_CLASS (gdm_chooser_widget_parent_class)->dispose (object); |
---|
1208 | } |
---|
1209 | |
---|
1210 | static void |
---|
1211 | gdm_chooser_widget_hide (GtkWidget *widget) |
---|
1212 | { |
---|
1213 | skip_resize_animation (GDM_CHOOSER_WIDGET (widget)); |
---|
1214 | GTK_WIDGET_CLASS (gdm_chooser_widget_parent_class)->hide (widget); |
---|
1215 | } |
---|
1216 | |
---|
1217 | static void |
---|
1218 | gdm_chooser_widget_show (GtkWidget *widget) |
---|
1219 | { |
---|
1220 | skip_resize_animation (GDM_CHOOSER_WIDGET (widget)); |
---|
1221 | |
---|
1222 | GTK_WIDGET_CLASS (gdm_chooser_widget_parent_class)->show (widget); |
---|
1223 | } |
---|
1224 | |
---|
1225 | static void |
---|
1226 | gdm_chooser_widget_size_allocate (GtkWidget *widget, |
---|
1227 | GtkAllocation *allocation) |
---|
1228 | { |
---|
1229 | GdmChooserWidget *chooser_widget; |
---|
1230 | |
---|
1231 | GTK_WIDGET_CLASS (gdm_chooser_widget_parent_class)->size_allocate (widget, allocation); |
---|
1232 | |
---|
1233 | chooser_widget = GDM_CHOOSER_WIDGET (widget); |
---|
1234 | |
---|
1235 | if (chooser_widget->priv->state == GDM_CHOOSER_WIDGET_STATE_GROWN) { |
---|
1236 | if (chooser_widget->priv->was_fully_grown) { |
---|
1237 | chooser_widget->priv->height_when_grown = allocation->height; |
---|
1238 | } |
---|
1239 | } |
---|
1240 | } |
---|
1241 | |
---|
1242 | static gboolean |
---|
1243 | gdm_chooser_widget_focus (GtkWidget *widget, |
---|
1244 | GtkDirectionType direction) |
---|
1245 | { |
---|
1246 | /* Since we only have one focusable child (the tree view), |
---|
1247 | * no matter which direction we're going the rules are the |
---|
1248 | * same: |
---|
1249 | * |
---|
1250 | * 1) if it's aready got focus, return FALSE to surrender |
---|
1251 | * that focus. |
---|
1252 | * 2) if it doesn't already have focus, then grab it |
---|
1253 | */ |
---|
1254 | if (GTK_CONTAINER (widget)->focus_child != NULL) { |
---|
1255 | g_debug ("GdmChooserWidget: not focusing - focus child not null"); |
---|
1256 | return FALSE; |
---|
1257 | } |
---|
1258 | |
---|
1259 | _grab_focus (widget); |
---|
1260 | |
---|
1261 | return TRUE; |
---|
1262 | } |
---|
1263 | |
---|
1264 | static gboolean |
---|
1265 | gdm_chooser_widget_focus_in_event (GtkWidget *widget, |
---|
1266 | GdkEventFocus *focus_event) |
---|
1267 | { |
---|
1268 | /* We don't ever want the chooser widget itself to have focus. |
---|
1269 | * Focus should always go to the tree view. |
---|
1270 | */ |
---|
1271 | _grab_focus (widget); |
---|
1272 | |
---|
1273 | return FALSE; |
---|
1274 | } |
---|
1275 | |
---|
1276 | static void |
---|
1277 | gdm_chooser_widget_class_init (GdmChooserWidgetClass *klass) |
---|
1278 | { |
---|
1279 | GObjectClass *object_class = G_OBJECT_CLASS (klass); |
---|
1280 | GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass); |
---|
1281 | |
---|
1282 | object_class->get_property = gdm_chooser_widget_get_property; |
---|
1283 | object_class->set_property = gdm_chooser_widget_set_property; |
---|
1284 | object_class->dispose = gdm_chooser_widget_dispose; |
---|
1285 | object_class->finalize = gdm_chooser_widget_finalize; |
---|
1286 | widget_class->size_allocate = gdm_chooser_widget_size_allocate; |
---|
1287 | widget_class->hide = gdm_chooser_widget_hide; |
---|
1288 | widget_class->show = gdm_chooser_widget_show; |
---|
1289 | widget_class->focus = gdm_chooser_widget_focus; |
---|
1290 | widget_class->focus_in_event = gdm_chooser_widget_focus_in_event; |
---|
1291 | |
---|
1292 | signals [LOADED] = g_signal_new ("loaded", |
---|
1293 | G_TYPE_FROM_CLASS (object_class), |
---|
1294 | G_SIGNAL_RUN_LAST, |
---|
1295 | G_STRUCT_OFFSET (GdmChooserWidgetClass, loaded), |
---|
1296 | NULL, |
---|
1297 | NULL, |
---|
1298 | g_cclosure_marshal_VOID__VOID, |
---|
1299 | G_TYPE_NONE, |
---|
1300 | 0); |
---|
1301 | |
---|
1302 | signals [ACTIVATED] = g_signal_new ("activated", |
---|
1303 | G_TYPE_FROM_CLASS (object_class), |
---|
1304 | G_SIGNAL_RUN_LAST, |
---|
1305 | G_STRUCT_OFFSET (GdmChooserWidgetClass, activated), |
---|
1306 | NULL, |
---|
1307 | NULL, |
---|
1308 | g_cclosure_marshal_VOID__VOID, |
---|
1309 | G_TYPE_NONE, |
---|
1310 | 0); |
---|
1311 | |
---|
1312 | signals [DEACTIVATED] = g_signal_new ("deactivated", |
---|
1313 | G_TYPE_FROM_CLASS (object_class), |
---|
1314 | G_SIGNAL_RUN_LAST, |
---|
1315 | G_STRUCT_OFFSET (GdmChooserWidgetClass, deactivated), |
---|
1316 | NULL, |
---|
1317 | NULL, |
---|
1318 | g_cclosure_marshal_VOID__VOID, |
---|
1319 | G_TYPE_NONE, |
---|
1320 | 0); |
---|
1321 | |
---|
1322 | g_object_class_install_property (object_class, |
---|
1323 | PROP_INACTIVE_TEXT, |
---|
1324 | g_param_spec_string ("inactive-text", |
---|
1325 | _("Inactive Text"), |
---|
1326 | _("The text to use in the label if the " |
---|
1327 | "user hasn't picked an item yet"), |
---|
1328 | NULL, |
---|
1329 | (G_PARAM_READWRITE | |
---|
1330 | G_PARAM_CONSTRUCT))); |
---|
1331 | g_object_class_install_property (object_class, |
---|
1332 | PROP_ACTIVE_TEXT, |
---|
1333 | g_param_spec_string ("active-text", |
---|
1334 | _("Active Text"), |
---|
1335 | _("The text to use in the label if the " |
---|
1336 | "user has picked an item"), |
---|
1337 | NULL, |
---|
1338 | (G_PARAM_READWRITE | |
---|
1339 | G_PARAM_CONSTRUCT))); |
---|
1340 | |
---|
1341 | g_object_class_install_property (object_class, |
---|
1342 | PROP_LIST_VISIBLE, |
---|
1343 | g_param_spec_boolean ("list-visible", |
---|
1344 | _("List Visible"), |
---|
1345 | _("Whether or not the chooser list is visible"), |
---|
1346 | TRUE, |
---|
1347 | G_PARAM_READABLE)); |
---|
1348 | |
---|
1349 | g_type_class_add_private (klass, sizeof (GdmChooserWidgetPrivate)); |
---|
1350 | } |
---|
1351 | |
---|
1352 | static void |
---|
1353 | on_row_activated (GtkTreeView *tree_view, |
---|
1354 | GtkTreePath *tree_path, |
---|
1355 | GtkTreeViewColumn *tree_column, |
---|
1356 | GdmChooserWidget *widget) |
---|
1357 | { |
---|
1358 | char *path_str; |
---|
1359 | |
---|
1360 | path_str = gtk_tree_path_to_string (tree_path); |
---|
1361 | g_debug ("GdmChooserWidget: row activated '%s'", path_str ? path_str : "(null)"); |
---|
1362 | g_free (path_str); |
---|
1363 | gdm_chooser_widget_activate_selected_item (widget); |
---|
1364 | } |
---|
1365 | |
---|
1366 | static gboolean |
---|
1367 | path_is_separator (GdmChooserWidget *widget, |
---|
1368 | GtkTreeModel *model, |
---|
1369 | GtkTreePath *path) |
---|
1370 | { |
---|
1371 | GtkTreePath *separator_path; |
---|
1372 | GtkTreePath *translated_path; |
---|
1373 | gboolean is_separator; |
---|
1374 | |
---|
1375 | separator_path = gtk_tree_row_reference_get_path (widget->priv->separator_row); |
---|
1376 | |
---|
1377 | if (separator_path == NULL) { |
---|
1378 | return FALSE; |
---|
1379 | } |
---|
1380 | |
---|
1381 | if (model == GTK_TREE_MODEL (widget->priv->model_sorter)) { |
---|
1382 | GtkTreePath *filtered_path; |
---|
1383 | |
---|
1384 | filtered_path = gtk_tree_model_sort_convert_path_to_child_path (widget->priv->model_sorter, path); |
---|
1385 | |
---|
1386 | translated_path = gtk_tree_model_filter_convert_path_to_child_path (widget->priv->model_filter, filtered_path); |
---|
1387 | gtk_tree_path_free (filtered_path); |
---|
1388 | } else if (model == GTK_TREE_MODEL (widget->priv->model_filter)) { |
---|
1389 | translated_path = gtk_tree_model_filter_convert_path_to_child_path (widget->priv->model_filter, path); |
---|
1390 | } else { |
---|
1391 | g_assert (model == GTK_TREE_MODEL (widget->priv->list_store)); |
---|
1392 | translated_path = gtk_tree_path_copy (path); |
---|
1393 | } |
---|
1394 | |
---|
1395 | if (gtk_tree_path_compare (separator_path, translated_path) == 0) { |
---|
1396 | is_separator = TRUE; |
---|
1397 | } else { |
---|
1398 | is_separator = FALSE; |
---|
1399 | } |
---|
1400 | gtk_tree_path_free (translated_path); |
---|
1401 | |
---|
1402 | return is_separator; |
---|
1403 | } |
---|
1404 | |
---|
1405 | static int |
---|
1406 | compare_item (GtkTreeModel *model, |
---|
1407 | GtkTreeIter *a, |
---|
1408 | GtkTreeIter *b, |
---|
1409 | gpointer data) |
---|
1410 | { |
---|
1411 | GdmChooserWidget *widget; |
---|
1412 | char *name_a; |
---|
1413 | char *name_b; |
---|
1414 | char *text_a; |
---|
1415 | char *text_b; |
---|
1416 | gulong prio_a; |
---|
1417 | gulong prio_b; |
---|
1418 | gboolean is_separate_a; |
---|
1419 | gboolean is_separate_b; |
---|
1420 | int result; |
---|
1421 | int direction; |
---|
1422 | GtkTreeIter *separator_iter; |
---|
1423 | char *id; |
---|
1424 | PangoAttrList *attrs; |
---|
1425 | |
---|
1426 | g_assert (GDM_IS_CHOOSER_WIDGET (data)); |
---|
1427 | |
---|
1428 | widget = GDM_CHOOSER_WIDGET (data); |
---|
1429 | |
---|
1430 | separator_iter = NULL; |
---|
1431 | if (widget->priv->separator_row != NULL) { |
---|
1432 | |
---|
1433 | GtkTreePath *path_a; |
---|
1434 | GtkTreePath *path_b; |
---|
1435 | |
---|
1436 | path_a = gtk_tree_model_get_path (model, a); |
---|
1437 | path_b = gtk_tree_model_get_path (model, b); |
---|
1438 | |
---|
1439 | if (path_is_separator (widget, model, path_a)) { |
---|
1440 | separator_iter = a; |
---|
1441 | } else if (path_is_separator (widget, model, path_b)) { |
---|
1442 | separator_iter = b; |
---|
1443 | } |
---|
1444 | |
---|
1445 | gtk_tree_path_free (path_a); |
---|
1446 | gtk_tree_path_free (path_b); |
---|
1447 | } |
---|
1448 | |
---|
1449 | name_a = NULL; |
---|
1450 | is_separate_a = FALSE; |
---|
1451 | if (separator_iter != a) { |
---|
1452 | gtk_tree_model_get (model, a, |
---|
1453 | CHOOSER_NAME_COLUMN, &name_a, |
---|
1454 | CHOOSER_PRIORITY_COLUMN, &prio_a, |
---|
1455 | CHOOSER_ITEM_IS_SEPARATED_COLUMN, &is_separate_a, |
---|
1456 | -1); |
---|
1457 | } |
---|
1458 | |
---|
1459 | name_b = NULL; |
---|
1460 | is_separate_b = FALSE; |
---|
1461 | if (separator_iter != b) { |
---|
1462 | gtk_tree_model_get (model, b, |
---|
1463 | CHOOSER_NAME_COLUMN, &name_b, |
---|
1464 | CHOOSER_ID_COLUMN, &id, |
---|
1465 | CHOOSER_PRIORITY_COLUMN, &prio_b, |
---|
1466 | CHOOSER_ITEM_IS_SEPARATED_COLUMN, &is_separate_b, |
---|
1467 | -1); |
---|
1468 | } |
---|
1469 | |
---|
1470 | if (widget->priv->separator_position == GDM_CHOOSER_WIDGET_POSITION_TOP) { |
---|
1471 | direction = -1; |
---|
1472 | } else { |
---|
1473 | direction = 1; |
---|
1474 | } |
---|
1475 | |
---|
1476 | if (separator_iter == b) { |
---|
1477 | result = is_separate_a? 1 : -1; |
---|
1478 | result *= direction; |
---|
1479 | } else if (separator_iter == a) { |
---|
1480 | result = is_separate_b? -1 : 1; |
---|
1481 | result *= direction; |
---|
1482 | } else if (is_separate_b == is_separate_a) { |
---|
1483 | if (prio_a == prio_b) { |
---|
1484 | pango_parse_markup (name_a, -1, 0, &attrs, &text_a, NULL, NULL); |
---|
1485 | pango_parse_markup (name_b, -1, 0, &attrs, &text_b, NULL, NULL); |
---|
1486 | if (text_a && text_b) |
---|
1487 | result = g_utf8_collate (text_a, text_b); |
---|
1488 | else |
---|
1489 | result = g_utf8_collate (name_a, name_b); |
---|
1490 | g_free (text_a); |
---|
1491 | g_free (text_b); |
---|
1492 | } else if (prio_a > prio_b) { |
---|
1493 | result = -1; |
---|
1494 | } else { |
---|
1495 | result = 1; |
---|
1496 | } |
---|
1497 | } else { |
---|
1498 | result = is_separate_a - is_separate_b; |
---|
1499 | result *= direction; |
---|
1500 | } |
---|
1501 | |
---|
1502 | g_free (name_a); |
---|
1503 | g_free (name_b); |
---|
1504 | |
---|
1505 | return result; |
---|
1506 | } |
---|
1507 | |
---|
1508 | static void |
---|
1509 | name_cell_data_func (GtkTreeViewColumn *tree_column, |
---|
1510 | GtkCellRenderer *cell, |
---|
1511 | GtkTreeModel *model, |
---|
1512 | GtkTreeIter *iter, |
---|
1513 | GdmChooserWidget *widget) |
---|
1514 | { |
---|
1515 | gboolean is_in_use; |
---|
1516 | char *name; |
---|
1517 | char *markup; |
---|
1518 | |
---|
1519 | name = NULL; |
---|
1520 | gtk_tree_model_get (model, |
---|
1521 | iter, |
---|
1522 | CHOOSER_ITEM_IS_IN_USE_COLUMN, &is_in_use, |
---|
1523 | CHOOSER_NAME_COLUMN, &name, |
---|
1524 | -1); |
---|
1525 | |
---|
1526 | if (is_in_use) { |
---|
1527 | markup = g_strdup_printf ("<b>%s</b>\n" |
---|
1528 | "<i><span size=\"x-small\">%s</span></i>", |
---|
1529 | name ? name : "(null)", widget->priv->in_use_message); |
---|
1530 | } else { |
---|
1531 | markup = g_strdup_printf ("%s", name ? name : "(null)"); |
---|
1532 | } |
---|
1533 | g_free (name); |
---|
1534 | |
---|
1535 | g_object_set (cell, "markup", markup, NULL); |
---|
1536 | g_free (markup); |
---|
1537 | } |
---|
1538 | |
---|
1539 | static void |
---|
1540 | check_cell_data_func (GtkTreeViewColumn *tree_column, |
---|
1541 | GtkCellRenderer *cell, |
---|
1542 | GtkTreeModel *model, |
---|
1543 | GtkTreeIter *iter, |
---|
1544 | GdmChooserWidget *widget) |
---|
1545 | { |
---|
1546 | gboolean is_in_use; |
---|
1547 | GdkPixbuf *pixbuf; |
---|
1548 | |
---|
1549 | gtk_tree_model_get (model, |
---|
1550 | iter, |
---|
1551 | CHOOSER_ITEM_IS_IN_USE_COLUMN, &is_in_use, |
---|
1552 | -1); |
---|
1553 | |
---|
1554 | if (is_in_use) { |
---|
1555 | pixbuf = widget->priv->is_in_use_pixbuf; |
---|
1556 | } else { |
---|
1557 | pixbuf = NULL; |
---|
1558 | } |
---|
1559 | |
---|
1560 | g_object_set (cell, "pixbuf", pixbuf, NULL); |
---|
1561 | } |
---|
1562 | |
---|
1563 | static GdkPixbuf * |
---|
1564 | get_is_in_use_pixbuf (GdmChooserWidget *widget) |
---|
1565 | { |
---|
1566 | GtkIconTheme *theme; |
---|
1567 | GdkPixbuf *pixbuf; |
---|
1568 | |
---|
1569 | theme = gtk_icon_theme_get_default (); |
---|
1570 | pixbuf = gtk_icon_theme_load_icon (theme, |
---|
1571 | "emblem-default", |
---|
1572 | GDM_CHOOSER_WIDGET_DEFAULT_ICON_SIZE / 3, |
---|
1573 | 0, |
---|
1574 | NULL); |
---|
1575 | |
---|
1576 | return pixbuf; |
---|
1577 | } |
---|
1578 | |
---|
1579 | static gboolean |
---|
1580 | separator_func (GtkTreeModel *model, |
---|
1581 | GtkTreeIter *iter, |
---|
1582 | gpointer data) |
---|
1583 | { |
---|
1584 | GdmChooserWidget *widget; |
---|
1585 | GtkTreePath *path; |
---|
1586 | gboolean is_separator; |
---|
1587 | |
---|
1588 | g_assert (GDM_IS_CHOOSER_WIDGET (data)); |
---|
1589 | |
---|
1590 | widget = GDM_CHOOSER_WIDGET (data); |
---|
1591 | |
---|
1592 | g_assert (widget->priv->separator_row != NULL); |
---|
1593 | |
---|
1594 | path = gtk_tree_model_get_path (model, iter); |
---|
1595 | |
---|
1596 | is_separator = path_is_separator (widget, model, path); |
---|
1597 | |
---|
1598 | gtk_tree_path_free (path); |
---|
1599 | |
---|
1600 | return is_separator; |
---|
1601 | } |
---|
1602 | |
---|
1603 | static void |
---|
1604 | add_separator (GdmChooserWidget *widget) |
---|
1605 | { |
---|
1606 | GtkTreeIter iter; |
---|
1607 | GtkTreeModel *model; |
---|
1608 | GtkTreePath *path; |
---|
1609 | |
---|
1610 | g_assert (widget->priv->separator_row == NULL); |
---|
1611 | |
---|
1612 | model = GTK_TREE_MODEL (widget->priv->list_store); |
---|
1613 | |
---|
1614 | gtk_list_store_insert_with_values (widget->priv->list_store, |
---|
1615 | &iter, 0, |
---|
1616 | CHOOSER_ID_COLUMN, "-", -1); |
---|
1617 | path = gtk_tree_model_get_path (model, &iter); |
---|
1618 | widget->priv->separator_row = gtk_tree_row_reference_new (model, path); |
---|
1619 | gtk_tree_path_free (path); |
---|
1620 | } |
---|
1621 | |
---|
1622 | static gboolean |
---|
1623 | update_column_visibility (GdmChooserWidget *widget) |
---|
1624 | { |
---|
1625 | if (widget->priv->number_of_rows_with_images > 0) { |
---|
1626 | gtk_tree_view_column_set_visible (widget->priv->image_column, |
---|
1627 | TRUE); |
---|
1628 | } else { |
---|
1629 | gtk_tree_view_column_set_visible (widget->priv->image_column, |
---|
1630 | FALSE); |
---|
1631 | } |
---|
1632 | if (widget->priv->number_of_rows_with_status > 0) { |
---|
1633 | gtk_tree_view_column_set_visible (widget->priv->status_column, |
---|
1634 | TRUE); |
---|
1635 | } else { |
---|
1636 | gtk_tree_view_column_set_visible (widget->priv->status_column, |
---|
1637 | FALSE); |
---|
1638 | } |
---|
1639 | |
---|
1640 | return FALSE; |
---|
1641 | } |
---|
1642 | |
---|
1643 | static void |
---|
1644 | clear_canceled_visibility_update (GdmChooserWidget *widget) |
---|
1645 | { |
---|
1646 | widget->priv->update_idle_id = 0; |
---|
1647 | } |
---|
1648 | |
---|
1649 | static void |
---|
1650 | queue_column_visibility_update (GdmChooserWidget *widget) |
---|
1651 | { |
---|
1652 | if (widget->priv->update_idle_id == 0) { |
---|
1653 | widget->priv->update_idle_id = |
---|
1654 | g_idle_add_full (G_PRIORITY_DEFAULT_IDLE, |
---|
1655 | (GSourceFunc) |
---|
1656 | update_column_visibility, widget, |
---|
1657 | (GDestroyNotify) |
---|
1658 | clear_canceled_visibility_update); |
---|
1659 | } |
---|
1660 | } |
---|
1661 | |
---|
1662 | static void |
---|
1663 | on_row_changed (GtkTreeModel *model, |
---|
1664 | GtkTreePath *path, |
---|
1665 | GtkTreeIter *iter, |
---|
1666 | GdmChooserWidget *widget) |
---|
1667 | { |
---|
1668 | queue_column_visibility_update (widget); |
---|
1669 | } |
---|
1670 | |
---|
1671 | static void |
---|
1672 | add_frame (GdmChooserWidget *widget) |
---|
1673 | { |
---|
1674 | widget->priv->frame = gtk_frame_new (NULL); |
---|
1675 | gtk_frame_set_shadow_type (GTK_FRAME (widget->priv->frame), |
---|
1676 | GTK_SHADOW_NONE); |
---|
1677 | gtk_widget_show (widget->priv->frame); |
---|
1678 | gtk_container_add (GTK_CONTAINER (widget), widget->priv->frame); |
---|
1679 | |
---|
1680 | widget->priv->frame_alignment = gtk_alignment_new (0.5, 0.5, 1.0, 1.0); |
---|
1681 | gtk_widget_show (widget->priv->frame_alignment); |
---|
1682 | gtk_container_add (GTK_CONTAINER (widget->priv->frame), |
---|
1683 | widget->priv->frame_alignment); |
---|
1684 | } |
---|
1685 | |
---|
1686 | static gboolean |
---|
1687 | on_button_release (GtkTreeView *items_view, |
---|
1688 | GdkEventButton *event, |
---|
1689 | GdmChooserWidget *widget) |
---|
1690 | { |
---|
1691 | GtkTreeModel *model; |
---|
1692 | GtkTreeIter iter; |
---|
1693 | GtkTreeSelection *selection; |
---|
1694 | |
---|
1695 | if (!widget->priv->should_hide_inactive_items) { |
---|
1696 | return FALSE; |
---|
1697 | } |
---|
1698 | |
---|
1699 | selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (widget->priv->items_view)); |
---|
1700 | if (gtk_tree_selection_get_selected (selection, &model, &iter)) { |
---|
1701 | GtkTreePath *path; |
---|
1702 | |
---|
1703 | path = gtk_tree_model_get_path (model, &iter); |
---|
1704 | gtk_tree_view_row_activated (GTK_TREE_VIEW (items_view), |
---|
1705 | path, NULL); |
---|
1706 | gtk_tree_path_free (path); |
---|
1707 | } |
---|
1708 | |
---|
1709 | return FALSE; |
---|
1710 | } |
---|
1711 | |
---|
1712 | static gboolean |
---|
1713 | search_equal_func (GtkTreeModel *model, |
---|
1714 | int column, |
---|
1715 | const char *key, |
---|
1716 | GtkTreeIter *iter, |
---|
1717 | GdmChooserWidget *widget) |
---|
1718 | { |
---|
1719 | char *id; |
---|
1720 | char *name; |
---|
1721 | char *key_folded; |
---|
1722 | gboolean ret; |
---|
1723 | |
---|
1724 | if (key == NULL) { |
---|
1725 | return FALSE; |
---|
1726 | } |
---|
1727 | |
---|
1728 | ret = TRUE; |
---|
1729 | id = NULL; |
---|
1730 | name = NULL; |
---|
1731 | |
---|
1732 | key_folded = g_utf8_casefold (key, -1); |
---|
1733 | |
---|
1734 | gtk_tree_model_get (model, |
---|
1735 | iter, |
---|
1736 | CHOOSER_ID_COLUMN, &id, |
---|
1737 | CHOOSER_NAME_COLUMN, &name, |
---|
1738 | -1); |
---|
1739 | if (name != NULL) { |
---|
1740 | char *name_folded; |
---|
1741 | |
---|
1742 | name_folded = g_utf8_casefold (name, -1); |
---|
1743 | ret = !g_str_has_prefix (name_folded, key_folded); |
---|
1744 | g_free (name_folded); |
---|
1745 | |
---|
1746 | if (!ret) { |
---|
1747 | goto out; |
---|
1748 | } |
---|
1749 | } |
---|
1750 | |
---|
1751 | if (id != NULL) { |
---|
1752 | char *id_folded; |
---|
1753 | |
---|
1754 | |
---|
1755 | id_folded = g_utf8_casefold (id, -1); |
---|
1756 | ret = !g_str_has_prefix (id_folded, key_folded); |
---|
1757 | g_free (id_folded); |
---|
1758 | |
---|
1759 | if (!ret) { |
---|
1760 | goto out; |
---|
1761 | } |
---|
1762 | } |
---|
1763 | out: |
---|
1764 | g_free (id); |
---|
1765 | g_free (name); |
---|
1766 | g_free (key_folded); |
---|
1767 | |
---|
1768 | return ret; |
---|
1769 | } |
---|
1770 | |
---|
1771 | static void |
---|
1772 | on_selection_changed (GtkTreeSelection *selection, |
---|
1773 | GdmChooserWidget *widget) |
---|
1774 | { |
---|
1775 | GtkTreePath *path; |
---|
1776 | |
---|
1777 | get_selected_list_path (widget, &path); |
---|
1778 | if (path != NULL) { |
---|
1779 | char *path_str; |
---|
1780 | path_str = gtk_tree_path_to_string (path); |
---|
1781 | g_debug ("GdmChooserWidget: selection change to list path '%s'", path_str); |
---|
1782 | g_free (path_str); |
---|
1783 | } else { |
---|
1784 | g_debug ("GdmChooserWidget: selection cleared"); |
---|
1785 | } |
---|
1786 | } |
---|
1787 | |
---|
1788 | static void |
---|
1789 | gdm_chooser_widget_init (GdmChooserWidget *widget) |
---|
1790 | { |
---|
1791 | GtkTreeViewColumn *column; |
---|
1792 | GtkTreeSelection *selection; |
---|
1793 | GtkCellRenderer *renderer; |
---|
1794 | |
---|
1795 | widget->priv = GDM_CHOOSER_WIDGET_GET_PRIVATE (widget); |
---|
1796 | |
---|
1797 | /* Even though, we're a container and also don't ever take |
---|
1798 | * focus for ourselve, we set CAN_FOCUS so that gtk_widget_grab_focus |
---|
1799 | * works on us. We then override grab_focus requests to |
---|
1800 | * be redirected our internal tree view |
---|
1801 | */ |
---|
1802 | GTK_WIDGET_SET_FLAGS (widget, GTK_CAN_FOCUS); |
---|
1803 | |
---|
1804 | widget->priv->height_when_grown = get_height_of_screen (widget); |
---|
1805 | |
---|
1806 | gtk_alignment_set_padding (GTK_ALIGNMENT (widget), 0, 0, 0, 0); |
---|
1807 | |
---|
1808 | add_frame (widget); |
---|
1809 | |
---|
1810 | widget->priv->scrollable_widget = gdm_scrollable_widget_new (); |
---|
1811 | gtk_widget_show (widget->priv->scrollable_widget); |
---|
1812 | gtk_container_add (GTK_CONTAINER (widget->priv->frame_alignment), |
---|
1813 | widget->priv->scrollable_widget); |
---|
1814 | |
---|
1815 | widget->priv->items_view = gtk_tree_view_new (); |
---|
1816 | gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (widget->priv->items_view), |
---|
1817 | FALSE); |
---|
1818 | g_signal_connect (widget->priv->items_view, |
---|
1819 | "row-activated", |
---|
1820 | G_CALLBACK (on_row_activated), |
---|
1821 | widget); |
---|
1822 | |
---|
1823 | gtk_tree_view_set_search_equal_func (GTK_TREE_VIEW (widget->priv->items_view), |
---|
1824 | (GtkTreeViewSearchEqualFunc)search_equal_func, |
---|
1825 | widget, |
---|
1826 | NULL); |
---|
1827 | |
---|
1828 | /* hack to make single-click activate work |
---|
1829 | */ |
---|
1830 | g_signal_connect_after (widget->priv->items_view, |
---|
1831 | "button-release-event", |
---|
1832 | G_CALLBACK (on_button_release), |
---|
1833 | widget); |
---|
1834 | |
---|
1835 | gtk_widget_show (widget->priv->items_view); |
---|
1836 | gtk_container_add (GTK_CONTAINER (widget->priv->scrollable_widget), |
---|
1837 | widget->priv->items_view); |
---|
1838 | |
---|
1839 | selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (widget->priv->items_view)); |
---|
1840 | gtk_tree_selection_set_mode (selection, GTK_SELECTION_BROWSE); |
---|
1841 | |
---|
1842 | g_signal_connect (selection, "changed", G_CALLBACK (on_selection_changed), widget); |
---|
1843 | |
---|
1844 | g_assert (NUMBER_OF_CHOOSER_COLUMNS == 11); |
---|
1845 | widget->priv->list_store = gtk_list_store_new (NUMBER_OF_CHOOSER_COLUMNS, |
---|
1846 | GDK_TYPE_PIXBUF, |
---|
1847 | G_TYPE_STRING, |
---|
1848 | G_TYPE_STRING, |
---|
1849 | G_TYPE_ULONG, |
---|
1850 | G_TYPE_BOOLEAN, |
---|
1851 | G_TYPE_BOOLEAN, |
---|
1852 | G_TYPE_BOOLEAN, |
---|
1853 | G_TYPE_DOUBLE, |
---|
1854 | G_TYPE_DOUBLE, |
---|
1855 | G_TYPE_DOUBLE, |
---|
1856 | G_TYPE_STRING); |
---|
1857 | |
---|
1858 | widget->priv->model_filter = GTK_TREE_MODEL_FILTER (gtk_tree_model_filter_new (GTK_TREE_MODEL (widget->priv->list_store), NULL)); |
---|
1859 | |
---|
1860 | gtk_tree_model_filter_set_visible_column (widget->priv->model_filter, |
---|
1861 | CHOOSER_ITEM_IS_VISIBLE_COLUMN); |
---|
1862 | g_signal_connect (G_OBJECT (widget->priv->model_filter), "row-changed", |
---|
1863 | G_CALLBACK (on_row_changed), widget); |
---|
1864 | |
---|
1865 | widget->priv->model_sorter = GTK_TREE_MODEL_SORT (gtk_tree_model_sort_new_with_model (GTK_TREE_MODEL (widget->priv->model_filter))); |
---|
1866 | |
---|
1867 | gtk_tree_sortable_set_sort_func (GTK_TREE_SORTABLE (widget->priv->model_sorter), |
---|
1868 | CHOOSER_ID_COLUMN, |
---|
1869 | compare_item, |
---|
1870 | widget, NULL); |
---|
1871 | |
---|
1872 | gtk_tree_sortable_set_sort_column_id (GTK_TREE_SORTABLE (widget->priv->model_sorter), |
---|
1873 | CHOOSER_ID_COLUMN, |
---|
1874 | GTK_SORT_ASCENDING); |
---|
1875 | gtk_tree_view_set_model (GTK_TREE_VIEW (widget->priv->items_view), |
---|
1876 | GTK_TREE_MODEL (widget->priv->model_sorter)); |
---|
1877 | gtk_tree_view_set_row_separator_func (GTK_TREE_VIEW (widget->priv->items_view), |
---|
1878 | separator_func, |
---|
1879 | widget, NULL); |
---|
1880 | |
---|
1881 | /* IMAGE COLUMN */ |
---|
1882 | renderer = gtk_cell_renderer_pixbuf_new (); |
---|
1883 | column = gtk_tree_view_column_new (); |
---|
1884 | gtk_tree_view_column_pack_start (column, renderer, FALSE); |
---|
1885 | gtk_tree_view_append_column (GTK_TREE_VIEW (widget->priv->items_view), column); |
---|
1886 | widget->priv->image_column = column; |
---|
1887 | |
---|
1888 | gtk_tree_view_column_set_attributes (column, |
---|
1889 | renderer, |
---|
1890 | "pixbuf", CHOOSER_IMAGE_COLUMN, |
---|
1891 | NULL); |
---|
1892 | |
---|
1893 | g_object_set (renderer, |
---|
1894 | "xalign", 1.0, |
---|
1895 | NULL); |
---|
1896 | |
---|
1897 | /* NAME COLUMN */ |
---|
1898 | renderer = gtk_cell_renderer_text_new (); |
---|
1899 | column = gtk_tree_view_column_new (); |
---|
1900 | gtk_tree_view_column_pack_start (column, renderer, FALSE); |
---|
1901 | gtk_tree_view_append_column (GTK_TREE_VIEW (widget->priv->items_view), column); |
---|
1902 | gtk_tree_view_column_set_cell_data_func (column, |
---|
1903 | renderer, |
---|
1904 | (GtkTreeCellDataFunc) name_cell_data_func, |
---|
1905 | widget, |
---|
1906 | NULL); |
---|
1907 | |
---|
1908 | gtk_tree_view_set_tooltip_column (GTK_TREE_VIEW (widget->priv->items_view), |
---|
1909 | CHOOSER_COMMENT_COLUMN); |
---|
1910 | |
---|
1911 | /* STATUS COLUMN */ |
---|
1912 | renderer = gtk_cell_renderer_pixbuf_new (); |
---|
1913 | column = gtk_tree_view_column_new (); |
---|
1914 | gtk_tree_view_column_pack_start (column, renderer, FALSE); |
---|
1915 | gtk_tree_view_append_column (GTK_TREE_VIEW (widget->priv->items_view), column); |
---|
1916 | widget->priv->status_column = column; |
---|
1917 | |
---|
1918 | gtk_tree_view_column_set_cell_data_func (column, |
---|
1919 | renderer, |
---|
1920 | (GtkTreeCellDataFunc) check_cell_data_func, |
---|
1921 | widget, |
---|
1922 | NULL); |
---|
1923 | widget->priv->is_in_use_pixbuf = get_is_in_use_pixbuf (widget); |
---|
1924 | |
---|
1925 | renderer = gdm_cell_renderer_timer_new (); |
---|
1926 | gtk_tree_view_column_pack_start (column, renderer, FALSE); |
---|
1927 | gtk_tree_view_column_add_attribute (column, renderer, "value", |
---|
1928 | CHOOSER_TIMER_VALUE_COLUMN); |
---|
1929 | |
---|
1930 | widget->priv->rows_with_timers = |
---|
1931 | g_hash_table_new_full (g_str_hash, |
---|
1932 | g_str_equal, |
---|
1933 | (GDestroyNotify) g_free, |
---|
1934 | (GDestroyNotify) |
---|
1935 | gtk_tree_row_reference_free); |
---|
1936 | |
---|
1937 | add_separator (widget); |
---|
1938 | |
---|
1939 | queue_column_visibility_update (widget); |
---|
1940 | gdm_chooser_widget_grow (widget); |
---|
1941 | } |
---|
1942 | |
---|
1943 | static void |
---|
1944 | gdm_chooser_widget_finalize (GObject *object) |
---|
1945 | { |
---|
1946 | GdmChooserWidget *widget; |
---|
1947 | |
---|
1948 | g_return_if_fail (object != NULL); |
---|
1949 | g_return_if_fail (GDM_IS_CHOOSER_WIDGET (object)); |
---|
1950 | |
---|
1951 | widget = GDM_CHOOSER_WIDGET (object); |
---|
1952 | |
---|
1953 | g_return_if_fail (widget->priv != NULL); |
---|
1954 | |
---|
1955 | g_hash_table_destroy (widget->priv->rows_with_timers); |
---|
1956 | widget->priv->rows_with_timers = NULL; |
---|
1957 | |
---|
1958 | G_OBJECT_CLASS (gdm_chooser_widget_parent_class)->finalize (object); |
---|
1959 | } |
---|
1960 | |
---|
1961 | GtkWidget * |
---|
1962 | gdm_chooser_widget_new (const char *inactive_text, |
---|
1963 | const char *active_text) |
---|
1964 | { |
---|
1965 | GObject *object; |
---|
1966 | |
---|
1967 | object = g_object_new (GDM_TYPE_CHOOSER_WIDGET, |
---|
1968 | "inactive-text", inactive_text, |
---|
1969 | "active-text", active_text, NULL); |
---|
1970 | |
---|
1971 | return GTK_WIDGET (object); |
---|
1972 | } |
---|
1973 | |
---|
1974 | void |
---|
1975 | gdm_chooser_widget_update_item (GdmChooserWidget *widget, |
---|
1976 | const char *id, |
---|
1977 | GdkPixbuf *new_image, |
---|
1978 | const char *new_name, |
---|
1979 | const char *new_comment, |
---|
1980 | gulong new_priority, |
---|
1981 | gboolean new_in_use, |
---|
1982 | gboolean new_is_separate) |
---|
1983 | { |
---|
1984 | GtkTreeModel *model; |
---|
1985 | GtkTreeIter iter; |
---|
1986 | GdkPixbuf *image; |
---|
1987 | gboolean is_separate; |
---|
1988 | gboolean in_use; |
---|
1989 | |
---|
1990 | g_return_if_fail (GDM_IS_CHOOSER_WIDGET (widget)); |
---|
1991 | |
---|
1992 | model = GTK_TREE_MODEL (widget->priv->list_store); |
---|
1993 | |
---|
1994 | if (!find_item (widget, id, &iter)) { |
---|
1995 | g_critical ("Tried to remove non-existing item from chooser"); |
---|
1996 | return; |
---|
1997 | } |
---|
1998 | |
---|
1999 | is_separate = FALSE; |
---|
2000 | gtk_tree_model_get (model, &iter, |
---|
2001 | CHOOSER_IMAGE_COLUMN, &image, |
---|
2002 | CHOOSER_ITEM_IS_IN_USE_COLUMN, &in_use, |
---|
2003 | CHOOSER_ITEM_IS_SEPARATED_COLUMN, &is_separate, |
---|
2004 | -1); |
---|
2005 | |
---|
2006 | if (image != new_image) { |
---|
2007 | if (image == NULL && new_image != NULL) { |
---|
2008 | widget->priv->number_of_rows_with_images++; |
---|
2009 | } else if (image != NULL && new_image == NULL) { |
---|
2010 | widget->priv->number_of_rows_with_images--; |
---|
2011 | } |
---|
2012 | queue_column_visibility_update (widget); |
---|
2013 | } |
---|
2014 | if (image != NULL) { |
---|
2015 | g_object_unref (image); |
---|
2016 | } |
---|
2017 | |
---|
2018 | if (in_use != new_in_use) { |
---|
2019 | if (new_in_use) { |
---|
2020 | widget->priv->number_of_rows_with_status++; |
---|
2021 | } else { |
---|
2022 | widget->priv->number_of_rows_with_status--; |
---|
2023 | } |
---|
2024 | queue_column_visibility_update (widget); |
---|
2025 | } |
---|
2026 | |
---|
2027 | if (is_separate != new_is_separate) { |
---|
2028 | if (new_is_separate) { |
---|
2029 | widget->priv->number_of_separated_rows++; |
---|
2030 | widget->priv->number_of_normal_rows--; |
---|
2031 | } else { |
---|
2032 | widget->priv->number_of_separated_rows--; |
---|
2033 | widget->priv->number_of_normal_rows++; |
---|
2034 | } |
---|
2035 | update_separator_visibility (widget); |
---|
2036 | } |
---|
2037 | |
---|
2038 | gtk_list_store_set (widget->priv->list_store, |
---|
2039 | &iter, |
---|
2040 | CHOOSER_IMAGE_COLUMN, new_image, |
---|
2041 | CHOOSER_NAME_COLUMN, new_name, |
---|
2042 | CHOOSER_COMMENT_COLUMN, new_comment, |
---|
2043 | CHOOSER_PRIORITY_COLUMN, new_priority, |
---|
2044 | CHOOSER_ITEM_IS_IN_USE_COLUMN, new_in_use, |
---|
2045 | CHOOSER_ITEM_IS_SEPARATED_COLUMN, new_is_separate, |
---|
2046 | -1); |
---|
2047 | } |
---|
2048 | |
---|
2049 | void |
---|
2050 | gdm_chooser_widget_add_item (GdmChooserWidget *widget, |
---|
2051 | const char *id, |
---|
2052 | GdkPixbuf *image, |
---|
2053 | const char *name, |
---|
2054 | const char *comment, |
---|
2055 | gulong priority, |
---|
2056 | gboolean in_use, |
---|
2057 | gboolean keep_separate) |
---|
2058 | { |
---|
2059 | gboolean is_visible; |
---|
2060 | |
---|
2061 | g_return_if_fail (GDM_IS_CHOOSER_WIDGET (widget)); |
---|
2062 | |
---|
2063 | if (keep_separate) { |
---|
2064 | widget->priv->number_of_separated_rows++; |
---|
2065 | } else { |
---|
2066 | widget->priv->number_of_normal_rows++; |
---|
2067 | } |
---|
2068 | update_separator_visibility (widget); |
---|
2069 | |
---|
2070 | if (in_use) { |
---|
2071 | widget->priv->number_of_rows_with_status++; |
---|
2072 | queue_column_visibility_update (widget); |
---|
2073 | } |
---|
2074 | |
---|
2075 | if (image != NULL) { |
---|
2076 | widget->priv->number_of_rows_with_images++; |
---|
2077 | queue_column_visibility_update (widget); |
---|
2078 | } |
---|
2079 | |
---|
2080 | is_visible = widget->priv->active_row == NULL; |
---|
2081 | |
---|
2082 | gtk_list_store_insert_with_values (widget->priv->list_store, |
---|
2083 | NULL, 0, |
---|
2084 | CHOOSER_IMAGE_COLUMN, image, |
---|
2085 | CHOOSER_NAME_COLUMN, name, |
---|
2086 | CHOOSER_COMMENT_COLUMN, comment, |
---|
2087 | CHOOSER_PRIORITY_COLUMN, priority, |
---|
2088 | CHOOSER_ITEM_IS_IN_USE_COLUMN, in_use, |
---|
2089 | CHOOSER_ITEM_IS_SEPARATED_COLUMN, keep_separate, |
---|
2090 | CHOOSER_ITEM_IS_VISIBLE_COLUMN, is_visible, |
---|
2091 | CHOOSER_ID_COLUMN, id, |
---|
2092 | -1); |
---|
2093 | |
---|
2094 | move_cursor_to_top (widget); |
---|
2095 | update_chooser_visibility (widget); |
---|
2096 | } |
---|
2097 | |
---|
2098 | void |
---|
2099 | gdm_chooser_widget_remove_item (GdmChooserWidget *widget, |
---|
2100 | const char *id) |
---|
2101 | { |
---|
2102 | GtkTreeModel *model; |
---|
2103 | GtkTreeIter iter; |
---|
2104 | GdkPixbuf *image; |
---|
2105 | gboolean is_separate; |
---|
2106 | gboolean is_in_use; |
---|
2107 | |
---|
2108 | g_return_if_fail (GDM_IS_CHOOSER_WIDGET (widget)); |
---|
2109 | |
---|
2110 | model = GTK_TREE_MODEL (widget->priv->list_store); |
---|
2111 | |
---|
2112 | if (!find_item (widget, id, &iter)) { |
---|
2113 | g_critical ("Tried to remove non-existing item from chooser"); |
---|
2114 | return; |
---|
2115 | } |
---|
2116 | |
---|
2117 | is_separate = FALSE; |
---|
2118 | gtk_tree_model_get (model, &iter, |
---|
2119 | CHOOSER_IMAGE_COLUMN, &image, |
---|
2120 | CHOOSER_ITEM_IS_IN_USE_COLUMN, &is_in_use, |
---|
2121 | CHOOSER_ITEM_IS_SEPARATED_COLUMN, &is_separate, |
---|
2122 | -1); |
---|
2123 | |
---|
2124 | if (image != NULL) { |
---|
2125 | widget->priv->number_of_rows_with_images--; |
---|
2126 | g_object_unref (image); |
---|
2127 | } |
---|
2128 | |
---|
2129 | if (is_in_use) { |
---|
2130 | widget->priv->number_of_rows_with_status--; |
---|
2131 | queue_column_visibility_update (widget); |
---|
2132 | } |
---|
2133 | |
---|
2134 | if (is_separate) { |
---|
2135 | widget->priv->number_of_separated_rows--; |
---|
2136 | } else { |
---|
2137 | widget->priv->number_of_normal_rows--; |
---|
2138 | } |
---|
2139 | update_separator_visibility (widget); |
---|
2140 | |
---|
2141 | gtk_list_store_remove (widget->priv->list_store, &iter); |
---|
2142 | |
---|
2143 | move_cursor_to_top (widget); |
---|
2144 | update_chooser_visibility (widget); |
---|
2145 | } |
---|
2146 | |
---|
2147 | gboolean |
---|
2148 | gdm_chooser_widget_lookup_item (GdmChooserWidget *widget, |
---|
2149 | const char *id, |
---|
2150 | GdkPixbuf **image, |
---|
2151 | char **name, |
---|
2152 | char **comment, |
---|
2153 | gulong *priority, |
---|
2154 | gboolean *is_in_use, |
---|
2155 | gboolean *is_separate) |
---|
2156 | { |
---|
2157 | GtkTreeIter iter; |
---|
2158 | char *active_item_id; |
---|
2159 | |
---|
2160 | g_return_val_if_fail (GDM_IS_CHOOSER_WIDGET (widget), FALSE); |
---|
2161 | g_return_val_if_fail (id != NULL, FALSE); |
---|
2162 | |
---|
2163 | active_item_id = get_active_item_id (widget, &iter); |
---|
2164 | |
---|
2165 | if (active_item_id == NULL || strcmp (active_item_id, id) != 0) { |
---|
2166 | g_free (active_item_id); |
---|
2167 | |
---|
2168 | if (!find_item (widget, id, &iter)) { |
---|
2169 | return FALSE; |
---|
2170 | } |
---|
2171 | } |
---|
2172 | g_free (active_item_id); |
---|
2173 | |
---|
2174 | gtk_tree_model_get (GTK_TREE_MODEL (widget->priv->list_store), &iter, |
---|
2175 | CHOOSER_IMAGE_COLUMN, image, |
---|
2176 | CHOOSER_NAME_COLUMN, name, |
---|
2177 | CHOOSER_PRIORITY_COLUMN, priority, |
---|
2178 | CHOOSER_ITEM_IS_IN_USE_COLUMN, is_in_use, |
---|
2179 | CHOOSER_ITEM_IS_SEPARATED_COLUMN, is_separate, |
---|
2180 | -1); |
---|
2181 | |
---|
2182 | return TRUE; |
---|
2183 | } |
---|
2184 | |
---|
2185 | void |
---|
2186 | gdm_chooser_widget_set_item_in_use (GdmChooserWidget *widget, |
---|
2187 | const char *id, |
---|
2188 | gboolean is_in_use) |
---|
2189 | { |
---|
2190 | GtkTreeIter iter; |
---|
2191 | gboolean was_in_use; |
---|
2192 | |
---|
2193 | g_return_if_fail (GDM_IS_CHOOSER_WIDGET (widget)); |
---|
2194 | |
---|
2195 | if (!find_item (widget, id, &iter)) { |
---|
2196 | return; |
---|
2197 | } |
---|
2198 | |
---|
2199 | gtk_tree_model_get (GTK_TREE_MODEL (widget->priv->list_store), &iter, |
---|
2200 | CHOOSER_ITEM_IS_IN_USE_COLUMN, &was_in_use, |
---|
2201 | -1); |
---|
2202 | |
---|
2203 | if (was_in_use != is_in_use) { |
---|
2204 | |
---|
2205 | if (is_in_use) { |
---|
2206 | widget->priv->number_of_rows_with_status++; |
---|
2207 | } else { |
---|
2208 | widget->priv->number_of_rows_with_status--; |
---|
2209 | } |
---|
2210 | queue_column_visibility_update (widget); |
---|
2211 | |
---|
2212 | gtk_list_store_set (widget->priv->list_store, |
---|
2213 | &iter, |
---|
2214 | CHOOSER_ITEM_IS_IN_USE_COLUMN, is_in_use, |
---|
2215 | -1); |
---|
2216 | |
---|
2217 | } |
---|
2218 | } |
---|
2219 | |
---|
2220 | void |
---|
2221 | gdm_chooser_widget_set_item_priority (GdmChooserWidget *widget, |
---|
2222 | const char *id, |
---|
2223 | gulong priority) |
---|
2224 | { |
---|
2225 | GtkTreeIter iter; |
---|
2226 | gulong was_priority; |
---|
2227 | |
---|
2228 | g_return_if_fail (GDM_IS_CHOOSER_WIDGET (widget)); |
---|
2229 | |
---|
2230 | if (!find_item (widget, id, &iter)) { |
---|
2231 | return; |
---|
2232 | } |
---|
2233 | |
---|
2234 | gtk_tree_model_get (GTK_TREE_MODEL (widget->priv->list_store), &iter, |
---|
2235 | CHOOSER_PRIORITY_COLUMN, &was_priority, |
---|
2236 | -1); |
---|
2237 | |
---|
2238 | if (was_priority != priority) { |
---|
2239 | |
---|
2240 | gtk_list_store_set (widget->priv->list_store, |
---|
2241 | &iter, |
---|
2242 | CHOOSER_PRIORITY_COLUMN, priority, |
---|
2243 | -1); |
---|
2244 | gtk_tree_model_filter_refilter (widget->priv->model_filter); |
---|
2245 | } |
---|
2246 | } |
---|
2247 | |
---|
2248 | static double |
---|
2249 | get_current_time (void) |
---|
2250 | { |
---|
2251 | const double microseconds_per_second = 1000000.0; |
---|
2252 | double timestamp; |
---|
2253 | GTimeVal now; |
---|
2254 | |
---|
2255 | g_get_current_time (&now); |
---|
2256 | |
---|
2257 | timestamp = ((microseconds_per_second * now.tv_sec) + now.tv_usec) / |
---|
2258 | microseconds_per_second; |
---|
2259 | |
---|
2260 | return timestamp; |
---|
2261 | } |
---|
2262 | |
---|
2263 | static gboolean |
---|
2264 | on_timer_timeout (GdmChooserWidget *widget) |
---|
2265 | { |
---|
2266 | GHashTableIter iter; |
---|
2267 | GSList *list; |
---|
2268 | GSList *tmp; |
---|
2269 | gpointer key; |
---|
2270 | gpointer value; |
---|
2271 | double now; |
---|
2272 | |
---|
2273 | list = NULL; |
---|
2274 | g_hash_table_iter_init (&iter, widget->priv->rows_with_timers); |
---|
2275 | while (g_hash_table_iter_next (&iter, &key, &value)) { |
---|
2276 | list = g_slist_prepend (list, value); |
---|
2277 | } |
---|
2278 | |
---|
2279 | now = get_current_time (); |
---|
2280 | for (tmp = list; tmp != NULL; tmp = tmp->next) { |
---|
2281 | GtkTreeRowReference *row; |
---|
2282 | |
---|
2283 | row = (GtkTreeRowReference *) tmp->data; |
---|
2284 | |
---|
2285 | update_timer_from_time (widget, row, now); |
---|
2286 | } |
---|
2287 | g_slist_free (list); |
---|
2288 | |
---|
2289 | return TRUE; |
---|
2290 | } |
---|
2291 | |
---|
2292 | static void |
---|
2293 | start_timer (GdmChooserWidget *widget, |
---|
2294 | GtkTreeRowReference *row, |
---|
2295 | double duration) |
---|
2296 | { |
---|
2297 | GtkTreeModel *model; |
---|
2298 | GtkTreePath *path; |
---|
2299 | GtkTreeIter iter; |
---|
2300 | |
---|
2301 | model = GTK_TREE_MODEL (widget->priv->list_store); |
---|
2302 | |
---|
2303 | path = gtk_tree_row_reference_get_path (row); |
---|
2304 | gtk_tree_model_get_iter (model, &iter, path); |
---|
2305 | gtk_tree_path_free (path); |
---|
2306 | |
---|
2307 | gtk_list_store_set (widget->priv->list_store, &iter, |
---|
2308 | CHOOSER_TIMER_START_TIME_COLUMN, |
---|
2309 | get_current_time (), -1); |
---|
2310 | gtk_list_store_set (widget->priv->list_store, &iter, |
---|
2311 | CHOOSER_TIMER_DURATION_COLUMN, |
---|
2312 | duration, -1); |
---|
2313 | gtk_list_store_set (widget->priv->list_store, &iter, |
---|
2314 | CHOOSER_TIMER_VALUE_COLUMN, 0.0, -1); |
---|
2315 | |
---|
2316 | widget->priv->number_of_active_timers++; |
---|
2317 | if (widget->priv->timer_animation_timeout_id == 0) { |
---|
2318 | g_assert (g_hash_table_size (widget->priv->rows_with_timers) == 1); |
---|
2319 | |
---|
2320 | widget->priv->timer_animation_timeout_id = |
---|
2321 | g_timeout_add (1000 / 20, |
---|
2322 | (GSourceFunc) on_timer_timeout, |
---|
2323 | widget); |
---|
2324 | |
---|
2325 | } |
---|
2326 | } |
---|
2327 | |
---|
2328 | static void |
---|
2329 | stop_timer (GdmChooserWidget *widget, |
---|
2330 | GtkTreeRowReference *row) |
---|
2331 | { |
---|
2332 | GtkTreeModel *model; |
---|
2333 | GtkTreePath *path; |
---|
2334 | GtkTreeIter iter; |
---|
2335 | |
---|
2336 | model = GTK_TREE_MODEL (widget->priv->list_store); |
---|
2337 | |
---|
2338 | path = gtk_tree_row_reference_get_path (row); |
---|
2339 | gtk_tree_model_get_iter (model, &iter, path); |
---|
2340 | gtk_tree_path_free (path); |
---|
2341 | |
---|
2342 | gtk_list_store_set (widget->priv->list_store, &iter, |
---|
2343 | CHOOSER_TIMER_START_TIME_COLUMN, |
---|
2344 | 0.0, -1); |
---|
2345 | gtk_list_store_set (widget->priv->list_store, &iter, |
---|
2346 | CHOOSER_TIMER_DURATION_COLUMN, |
---|
2347 | 0.0, -1); |
---|
2348 | gtk_list_store_set (widget->priv->list_store, &iter, |
---|
2349 | CHOOSER_TIMER_VALUE_COLUMN, 0.0, -1); |
---|
2350 | |
---|
2351 | widget->priv->number_of_active_timers--; |
---|
2352 | if (widget->priv->number_of_active_timers == 0) { |
---|
2353 | g_source_remove (widget->priv->timer_animation_timeout_id); |
---|
2354 | widget->priv->timer_animation_timeout_id = 0; |
---|
2355 | } |
---|
2356 | } |
---|
2357 | |
---|
2358 | static void |
---|
2359 | update_timer_from_time (GdmChooserWidget *widget, |
---|
2360 | GtkTreeRowReference *row, |
---|
2361 | double now) |
---|
2362 | { |
---|
2363 | GtkTreeModel *model; |
---|
2364 | GtkTreePath *path; |
---|
2365 | GtkTreeIter iter; |
---|
2366 | double start_time; |
---|
2367 | double duration; |
---|
2368 | double elapsed_ratio; |
---|
2369 | |
---|
2370 | model = GTK_TREE_MODEL (widget->priv->list_store); |
---|
2371 | |
---|
2372 | path = gtk_tree_row_reference_get_path (row); |
---|
2373 | gtk_tree_model_get_iter (model, &iter, path); |
---|
2374 | gtk_tree_path_free (path); |
---|
2375 | |
---|
2376 | gtk_tree_model_get (model, &iter, |
---|
2377 | CHOOSER_TIMER_START_TIME_COLUMN, &start_time, |
---|
2378 | CHOOSER_TIMER_DURATION_COLUMN, &duration, -1); |
---|
2379 | |
---|
2380 | if (duration > G_MINDOUBLE) { |
---|
2381 | elapsed_ratio = (now - start_time) / duration; |
---|
2382 | } else { |
---|
2383 | elapsed_ratio = 0.0; |
---|
2384 | } |
---|
2385 | |
---|
2386 | gtk_list_store_set (widget->priv->list_store, &iter, |
---|
2387 | CHOOSER_TIMER_VALUE_COLUMN, |
---|
2388 | elapsed_ratio, -1); |
---|
2389 | |
---|
2390 | if (elapsed_ratio > .999) { |
---|
2391 | char *id; |
---|
2392 | |
---|
2393 | stop_timer (widget, row); |
---|
2394 | |
---|
2395 | gtk_tree_model_get (model, &iter, |
---|
2396 | CHOOSER_ID_COLUMN, &id, -1); |
---|
2397 | g_hash_table_remove (widget->priv->rows_with_timers, |
---|
2398 | id); |
---|
2399 | g_free (id); |
---|
2400 | |
---|
2401 | widget->priv->number_of_rows_with_status--; |
---|
2402 | queue_column_visibility_update (widget); |
---|
2403 | } |
---|
2404 | } |
---|
2405 | |
---|
2406 | void |
---|
2407 | gdm_chooser_widget_set_item_timer (GdmChooserWidget *widget, |
---|
2408 | const char *id, |
---|
2409 | gulong timeout) |
---|
2410 | { |
---|
2411 | GtkTreeModel *model; |
---|
2412 | GtkTreeRowReference *row; |
---|
2413 | |
---|
2414 | g_return_if_fail (GDM_IS_CHOOSER_WIDGET (widget)); |
---|
2415 | |
---|
2416 | model = GTK_TREE_MODEL (widget->priv->list_store); |
---|
2417 | |
---|
2418 | row = g_hash_table_lookup (widget->priv->rows_with_timers, |
---|
2419 | id); |
---|
2420 | |
---|
2421 | g_assert (row == NULL || gtk_tree_row_reference_valid (row)); |
---|
2422 | |
---|
2423 | if (row != NULL) { |
---|
2424 | stop_timer (widget, row); |
---|
2425 | } |
---|
2426 | |
---|
2427 | if (timeout == 0) { |
---|
2428 | if (row == NULL) { |
---|
2429 | g_warning ("could not find item with id '%s' to " |
---|
2430 | "remove timer", id); |
---|
2431 | return; |
---|
2432 | } |
---|
2433 | |
---|
2434 | g_hash_table_remove (widget->priv->rows_with_timers, |
---|
2435 | id); |
---|
2436 | gtk_tree_model_filter_refilter (widget->priv->model_filter); |
---|
2437 | return; |
---|
2438 | } |
---|
2439 | |
---|
2440 | if (row == NULL) { |
---|
2441 | GtkTreeIter iter; |
---|
2442 | GtkTreePath *path; |
---|
2443 | |
---|
2444 | if (!find_item (widget, id, &iter)) { |
---|
2445 | g_warning ("could not find item with id '%s' to " |
---|
2446 | "add timer", id); |
---|
2447 | return; |
---|
2448 | } |
---|
2449 | |
---|
2450 | path = gtk_tree_model_get_path (model, &iter); |
---|
2451 | row = gtk_tree_row_reference_new (model, path); |
---|
2452 | |
---|
2453 | g_hash_table_insert (widget->priv->rows_with_timers, |
---|
2454 | g_strdup (id), row); |
---|
2455 | |
---|
2456 | widget->priv->number_of_rows_with_status++; |
---|
2457 | queue_column_visibility_update (widget); |
---|
2458 | } |
---|
2459 | |
---|
2460 | start_timer (widget, row, timeout / 1000.0); |
---|
2461 | } |
---|
2462 | |
---|
2463 | void |
---|
2464 | gdm_chooser_widget_set_in_use_message (GdmChooserWidget *widget, |
---|
2465 | const char *message) |
---|
2466 | { |
---|
2467 | g_return_if_fail (GDM_IS_CHOOSER_WIDGET (widget)); |
---|
2468 | |
---|
2469 | g_free (widget->priv->in_use_message); |
---|
2470 | widget->priv->in_use_message = g_strdup (message); |
---|
2471 | } |
---|
2472 | |
---|
2473 | void |
---|
2474 | gdm_chooser_widget_set_separator_position (GdmChooserWidget *widget, |
---|
2475 | GdmChooserWidgetPosition position) |
---|
2476 | { |
---|
2477 | g_return_if_fail (GDM_IS_CHOOSER_WIDGET (widget)); |
---|
2478 | |
---|
2479 | if (widget->priv->separator_position != position) { |
---|
2480 | widget->priv->separator_position = position; |
---|
2481 | } |
---|
2482 | |
---|
2483 | gtk_tree_model_filter_refilter (widget->priv->model_filter); |
---|
2484 | } |
---|
2485 | |
---|
2486 | void |
---|
2487 | gdm_chooser_widget_set_hide_inactive_items (GdmChooserWidget *widget, |
---|
2488 | gboolean should_hide) |
---|
2489 | { |
---|
2490 | widget->priv->should_hide_inactive_items = should_hide; |
---|
2491 | |
---|
2492 | if (should_hide && |
---|
2493 | (widget->priv->state != GDM_CHOOSER_WIDGET_STATE_SHRUNK |
---|
2494 | || widget->priv->state != GDM_CHOOSER_WIDGET_STATE_SHRINKING) && |
---|
2495 | widget->priv->active_row != NULL) { |
---|
2496 | gdm_chooser_widget_shrink (widget); |
---|
2497 | } else if (!should_hide && |
---|
2498 | (widget->priv->state != GDM_CHOOSER_WIDGET_STATE_GROWN |
---|
2499 | || widget->priv->state != GDM_CHOOSER_WIDGET_STATE_GROWING)) { |
---|
2500 | gdm_chooser_widget_grow (widget); |
---|
2501 | } |
---|
2502 | } |
---|
2503 | |
---|
2504 | int |
---|
2505 | gdm_chooser_widget_get_number_of_items (GdmChooserWidget *widget) |
---|
2506 | { |
---|
2507 | return widget->priv->number_of_normal_rows + |
---|
2508 | widget->priv->number_of_separated_rows; |
---|
2509 | } |
---|
2510 | |
---|
2511 | void |
---|
2512 | gdm_chooser_widget_activate_if_one_item (GdmChooserWidget *widget) |
---|
2513 | { |
---|
2514 | activate_if_one_item (widget); |
---|
2515 | } |
---|
2516 | |
---|
2517 | void |
---|
2518 | gdm_chooser_widget_propagate_pending_key_events (GdmChooserWidget *widget) |
---|
2519 | { |
---|
2520 | if (!gdm_scrollable_widget_has_queued_key_events (GDM_SCROLLABLE_WIDGET (widget->priv->scrollable_widget))) { |
---|
2521 | return; |
---|
2522 | } |
---|
2523 | |
---|
2524 | gdm_scrollable_widget_replay_queued_key_events (GDM_SCROLLABLE_WIDGET (widget->priv->scrollable_widget)); |
---|
2525 | } |
---|
2526 | |
---|
2527 | void |
---|
2528 | gdm_chooser_widget_loaded (GdmChooserWidget *widget) |
---|
2529 | { |
---|
2530 | g_signal_emit (widget, signals[LOADED], 0); |
---|
2531 | } |
---|