1 /*
2 * e-table.c - A graphical view of a Table.
3 *
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) version 3.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with the program; if not, see <http://www.gnu.org/licenses/>
16 *
17 *
18 * Authors:
19 * Chris Lahey <clahey@ximian.com>
20 * Miguel de Icaza <miguel@ximian.com>
21 *
22 * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
23 *
24 */
25
26 #ifdef HAVE_CONFIG_H
27 #include <config.h>
28 #endif
29
30 #include <stdlib.h>
31 #include <string.h>
32 #include <stdio.h>
33
34 #include <glib/gstdio.h>
35 #include <gdk/gdkkeysyms.h>
36 #include <gtk/gtk.h>
37 #include <libgnomecanvas/libgnomecanvas.h>
38
39 #include "gal-a11y-e-table.h"
40 #include <glib/gi18n.h>
41 #include "e-util/e-util.h"
42 #include "misc/e-canvas.h"
43 #include "misc/e-canvas-background.h"
44 #include "misc/e-canvas-vbox.h"
45 #include "e-util/e-unicode.h"
46
47 #include "e-table.h"
48 #include "e-table-click-to-add.h"
49 #include "e-table-column-specification.h"
50 #include "e-table-group-leaf.h"
51 #include "e-table-header-item.h"
52 #include "e-table-header-utils.h"
53 #include "e-table-subset.h"
54 #include "e-table-utils.h"
55
56 #define COLUMN_HEADER_HEIGHT 16
57
58 #define d(x)
59
60 #if d(!)0
61 #define e_table_item_leave_edit_(x) \
62 (e_table_item_leave_edit ((x)), \
63 g_print ("%s: e_table_item_leave_edit\n", __FUNCTION__))
64 #else
65 #define e_table_item_leave_edit_(x) (e_table_item_leave_edit((x)))
66 #endif
67
68 enum {
69 CURSOR_CHANGE,
70 CURSOR_ACTIVATED,
71 SELECTION_CHANGE,
72 DOUBLE_CLICK,
73 RIGHT_CLICK,
74 CLICK,
75 KEY_PRESS,
76 START_DRAG,
77 STATE_CHANGE,
78 WHITE_SPACE_EVENT,
79
80 CUT_CLIPBOARD,
81 COPY_CLIPBOARD,
82 PASTE_CLIPBOARD,
83 SELECT_ALL,
84
85 TABLE_DRAG_BEGIN,
86 TABLE_DRAG_END,
87 TABLE_DRAG_DATA_GET,
88 TABLE_DRAG_DATA_DELETE,
89
90 TABLE_DRAG_LEAVE,
91 TABLE_DRAG_MOTION,
92 TABLE_DRAG_DROP,
93 TABLE_DRAG_DATA_RECEIVED,
94
95 LAST_SIGNAL
96 };
97
98 enum {
99 PROP_0,
100 PROP_LENGTH_THRESHOLD,
101 PROP_MODEL,
102 PROP_UNIFORM_ROW_HEIGHT,
103 PROP_ALWAYS_SEARCH,
104 PROP_USE_CLICK_TO_ADD,
105 PROP_HADJUSTMENT,
106 PROP_VADJUSTMENT,
107 PROP_HSCROLL_POLICY,
108 PROP_VSCROLL_POLICY
109 };
110
111 enum {
112 ET_SCROLL_UP = 1 << 0,
113 ET_SCROLL_DOWN = 1 << 1,
114 ET_SCROLL_LEFT = 1 << 2,
115 ET_SCROLL_RIGHT = 1 << 3
116 };
117
118 static guint et_signals[LAST_SIGNAL] = { 0 };
119
120 static void e_table_fill_table (ETable *e_table, ETableModel *model);
121 static gboolean changed_idle (gpointer data);
122
123 static void et_grab_focus (GtkWidget *widget);
124
125 static void et_drag_begin (GtkWidget *widget,
126 GdkDragContext *context,
127 ETable *et);
128 static void et_drag_end (GtkWidget *widget,
129 GdkDragContext *context,
130 ETable *et);
131 static void et_drag_data_get (GtkWidget *widget,
132 GdkDragContext *context,
133 GtkSelectionData *selection_data,
134 guint info,
135 guint time,
136 ETable *et);
137 static void et_drag_data_delete (GtkWidget *widget,
138 GdkDragContext *context,
139 ETable *et);
140
141 static void et_drag_leave (GtkWidget *widget,
142 GdkDragContext *context,
143 guint time,
144 ETable *et);
145 static gboolean et_drag_motion (GtkWidget *widget,
146 GdkDragContext *context,
147 gint x,
148 gint y,
149 guint time,
150 ETable *et);
151 static gboolean et_drag_drop (GtkWidget *widget,
152 GdkDragContext *context,
153 gint x,
154 gint y,
155 guint time,
156 ETable *et);
157 static void et_drag_data_received (GtkWidget *widget,
158 GdkDragContext *context,
159 gint x,
160 gint y,
161 GtkSelectionData *selection_data,
162 guint info,
163 guint time,
164 ETable *et);
165
166 static gint et_focus (GtkWidget *container, GtkDirectionType direction);
167
168 static void scroll_off (ETable *et);
169 static void scroll_on (ETable *et, guint scroll_direction);
170
171 G_DEFINE_TYPE_WITH_CODE (ETable, e_table, GTK_TYPE_TABLE,
172 G_IMPLEMENT_INTERFACE (GTK_TYPE_SCROLLABLE, NULL))
173
174 static void
175 et_disconnect_model (ETable *et)
176 {
177 if (et->model == NULL)
178 return;
179
180 if (et->table_model_change_id != 0)
181 g_signal_handler_disconnect (
182 et->model, et->table_model_change_id);
183 if (et->table_row_change_id != 0)
184 g_signal_handler_disconnect (
185 et->model, et->table_row_change_id);
186 if (et->table_cell_change_id != 0)
187 g_signal_handler_disconnect (
188 et->model, et->table_cell_change_id);
189 if (et->table_rows_inserted_id != 0)
190 g_signal_handler_disconnect (
191 et->model, et->table_rows_inserted_id);
192 if (et->table_rows_deleted_id != 0)
193 g_signal_handler_disconnect (
194 et->model, et->table_rows_deleted_id);
195
196 et->table_model_change_id = 0;
197 et->table_row_change_id = 0;
198 et->table_cell_change_id = 0;
199 et->table_rows_inserted_id = 0;
200 et->table_rows_deleted_id = 0;
201 }
202
203 static void
204 e_table_state_change (ETable *et)
205 {
206 if (et->state_change_freeze)
207 et->state_changed = TRUE;
208 else
209 g_signal_emit (et, et_signals[STATE_CHANGE], 0);
210 }
211
212 #define CHECK_HORIZONTAL(et) \
213 if ((et)->horizontal_scrolling || (et)->horizontal_resize) \
214 e_table_header_update_horizontal (et->header);
215
216 static void
217 clear_current_search_col (ETable *et)
218 {
219 et->search_col_set = FALSE;
220 }
221
222 static ETableCol *
223 current_search_col (ETable *et)
224 {
225 if (!et->search_col_set) {
226 et->current_search_col =
227 e_table_util_calculate_current_search_col (
228 et->header,
229 et->full_header,
230 et->sort_info,
231 et->always_search);
232 et->search_col_set = TRUE;
233 }
234
235 return et->current_search_col;
236 }
237
238 static void
239 et_get_preferred_width (GtkWidget *widget,
240 gint *minimum,
241 gint *natural)
242 {
243 ETable *et = E_TABLE (widget);
244
245 GTK_WIDGET_CLASS (e_table_parent_class)->
246 get_preferred_width (widget, minimum, natural);
247
248 if (et->horizontal_resize) {
249 *minimum = MAX (*minimum, et->header_width);
250 *natural = MAX (*natural, et->header_width);
251 }
252 }
253
254 static void
255 et_get_preferred_height (GtkWidget *widget,
256 gint *minimum,
257 gint *natural)
258 {
259 GTK_WIDGET_CLASS (e_table_parent_class)->
260 get_preferred_height (widget, minimum, natural);
261 }
262
263 static void
264 set_header_width (ETable *et)
265 {
266 if (et->horizontal_resize) {
267 et->header_width = e_table_header_min_width (et->header);
268 gtk_widget_queue_resize (GTK_WIDGET (et));
269 }
270 }
271
272 static void
273 structure_changed (ETableHeader *header,
274 ETable *et)
275 {
276 e_table_state_change (et);
277 set_header_width (et);
278 clear_current_search_col (et);
279 }
280
281 static void
282 expansion_changed (ETableHeader *header,
283 ETable *et)
284 {
285 e_table_state_change (et);
286 set_header_width (et);
287 }
288
289 static void
290 dimension_changed (ETableHeader *header,
291 gint total_width,
292 ETable *et)
293 {
294 set_header_width (et);
295 }
296
297 static void
298 disconnect_header (ETable *e_table)
299 {
300 if (e_table->header == NULL)
301 return;
302
303 if (e_table->structure_change_id)
304 g_signal_handler_disconnect (
305 e_table->header, e_table->structure_change_id);
306 if (e_table->expansion_change_id)
307 g_signal_handler_disconnect (
308 e_table->header, e_table->expansion_change_id);
309 if (e_table->dimension_change_id)
310 g_signal_handler_disconnect (
311 e_table->header, e_table->dimension_change_id);
312
313 g_object_unref (e_table->header);
314 e_table->header = NULL;
315 }
316
317 static void
318 connect_header (ETable *e_table,
319 ETableState *state)
320 {
321 if (e_table->header != NULL)
322 disconnect_header (e_table);
323
324 e_table->header = e_table_state_to_header (
325 GTK_WIDGET (e_table), e_table->full_header, state);
326
327 e_table->structure_change_id = g_signal_connect (
328 e_table->header, "structure_change",
329 G_CALLBACK (structure_changed), e_table);
330 e_table->expansion_change_id = g_signal_connect (
331 e_table->header, "expansion_change",
332 G_CALLBACK (expansion_changed), e_table);
333 e_table->dimension_change_id = g_signal_connect (
334 e_table->header, "dimension_change",
335 G_CALLBACK (dimension_changed), e_table);
336 }
337
338 static void
339 et_dispose (GObject *object)
340 {
341 ETable *et = E_TABLE (object);
342
343 et_disconnect_model (et);
344
345 if (et->search) {
346 if (et->search_search_id)
347 g_signal_handler_disconnect (
348 et->search, et->search_search_id);
349 if (et->search_accept_id)
350 g_signal_handler_disconnect (
351 et->search, et->search_accept_id);
352 g_object_unref (et->search);
353 et->search = NULL;
354 }
355
356 if (et->group_info_change_id) {
357 g_signal_handler_disconnect (
358 et->sort_info, et->group_info_change_id);
359 et->group_info_change_id = 0;
360 }
361
362 if (et->sort_info_change_id) {
363 g_signal_handler_disconnect (
364 et->sort_info, et->sort_info_change_id);
365 et->sort_info_change_id = 0;
366 }
367
368 if (et->reflow_idle_id) {
369 g_source_remove (et->reflow_idle_id);
370 et->reflow_idle_id = 0;
371 }
372
373 scroll_off (et);
374
375 disconnect_header (et);
376
377 if (et->model) {
378 g_object_unref (et->model);
379 et->model = NULL;
380 }
381
382 if (et->full_header) {
383 g_object_unref (et->full_header);
384 et->full_header = NULL;
385 }
386
387 if (et->sort_info) {
388 g_object_unref (et->sort_info);
389 et->sort_info = NULL;
390 }
391
392 if (et->sorter) {
393 g_object_unref (et->sorter);
394 et->sorter = NULL;
395 }
396
397 if (et->selection) {
398 g_object_unref (et->selection);
399 et->selection = NULL;
400 }
401
402 if (et->spec) {
403 g_object_unref (et->spec);
404 et->spec = NULL;
405 }
406
407 if (et->header_canvas != NULL) {
408 gtk_widget_destroy (GTK_WIDGET (et->header_canvas));
409 et->header_canvas = NULL;
410 }
411
412 if (et->site != NULL) {
413 e_table_drag_source_unset (et);
414 et->site = NULL;
415 }
416
417 if (et->table_canvas != NULL) {
418 gtk_widget_destroy (GTK_WIDGET (et->table_canvas));
419 et->table_canvas = NULL;
420 }
421
422 if (et->rebuild_idle_id != 0) {
423 g_source_remove (et->rebuild_idle_id);
424 et->rebuild_idle_id = 0;
425 }
426
427 g_free (et->click_to_add_message);
428 et->click_to_add_message = NULL;
429
430 g_free (et->domain);
431 et->domain = NULL;
432
433 G_OBJECT_CLASS (e_table_parent_class)->dispose (object);
434 }
435
436 static void
437 et_unrealize (GtkWidget *widget)
438 {
439 scroll_off (E_TABLE (widget));
440
441 if (GTK_WIDGET_CLASS (e_table_parent_class)->unrealize)
442 GTK_WIDGET_CLASS (e_table_parent_class)->unrealize (widget);
443 }
444
445 static gboolean
446 check_row (ETable *et,
447 gint model_row,
448 gint col,
449 ETableSearchFunc search,
450 gchar *string)
451 {
452 gconstpointer value;
453
454 value = e_table_model_value_at (et->model, col, model_row);
455
456 return search (value, string);
457 }
458
459 static gboolean
460 et_search_search (ETableSearch *search,
461 gchar *string,
462 ETableSearchFlags flags,
463 ETable *et)
464 {
465 gint cursor;
466 gint rows;
467 gint i;
468 ETableCol *col = current_search_col (et);
469
470 if (col == NULL)
471 return FALSE;
472
473 rows = e_table_model_row_count (et->model);
474
475 g_object_get (
476 et->selection,
477 "cursor_row", &cursor,
478 NULL);
479
480 if ((flags & E_TABLE_SEARCH_FLAGS_CHECK_CURSOR_FIRST) &&
481 cursor < rows && cursor >= 0 &&
482 check_row (et, cursor, col->col_idx, col->search, string))
483 return TRUE;
484
485 cursor = e_sorter_model_to_sorted (E_SORTER (et->sorter), cursor);
486
487 for (i = cursor + 1; i < rows; i++) {
488 gint model_row = e_sorter_sorted_to_model (E_SORTER (et->sorter), i);
489 if (check_row (et, model_row, col->col_idx, col->search, string)) {
490 e_selection_model_select_as_key_press (
491 E_SELECTION_MODEL (et->selection),
492 model_row, col->col_idx, GDK_CONTROL_MASK);
493 return TRUE;
494 }
495 }
496
497 for (i = 0; i < cursor; i++) {
498 gint model_row = e_sorter_sorted_to_model (E_SORTER (et->sorter), i);
499 if (check_row (et, model_row, col->col_idx, col->search, string)) {
500 e_selection_model_select_as_key_press (
501 E_SELECTION_MODEL (et->selection),
502 model_row, col->col_idx, GDK_CONTROL_MASK);
503 return TRUE;
504 }
505 }
506
507 cursor = e_sorter_sorted_to_model (E_SORTER (et->sorter), cursor);
508
509 /* Check if the cursor row is the only matching row. */
510 return (!(flags & E_TABLE_SEARCH_FLAGS_CHECK_CURSOR_FIRST) &&
511 cursor < rows && cursor >= 0 &&
512 check_row (et, cursor, col->col_idx, col->search, string));
513 }
514
515 static void
516 et_search_accept (ETableSearch *search,
517 ETable *et)
518 {
519 gint cursor;
520 ETableCol *col = current_search_col (et);
521
522 if (col == NULL)
523 return;
524
525 g_object_get (et->selection, "cursor_row", &cursor, NULL);
526
527 e_selection_model_select_as_key_press (
528 E_SELECTION_MODEL (et->selection), cursor, col->col_idx, 0);
529 }
530
531 static void
532 init_search (ETable *e_table)
533 {
534 if (e_table->search != NULL)
535 return;
536
537 e_table->search = e_table_search_new ();
538
539 e_table->search_search_id = g_signal_connect (
540 e_table->search, "search",
541 G_CALLBACK (et_search_search), e_table);
542 e_table->search_accept_id = g_signal_connect (
543 e_table->search, "accept",
544 G_CALLBACK (et_search_accept), e_table);
545 }
546
547 static void
548 et_finalize (GObject *object)
549 {
550 ETable *et = E_TABLE (object);
551
552 g_free (et->click_to_add_message);
553 et->click_to_add_message = NULL;
554
555 g_free (et->domain);
556 et->domain = NULL;
557
558 G_OBJECT_CLASS (e_table_parent_class)->finalize (object);
559 }
560
561 static void
562 e_table_init (ETable *e_table)
563 {
564 gtk_widget_set_can_focus (GTK_WIDGET (e_table), TRUE);
565
566 gtk_table_set_homogeneous (GTK_TABLE (e_table), FALSE);
567
568 e_table->sort_info = NULL;
569 e_table->group_info_change_id = 0;
570 e_table->sort_info_change_id = 0;
571 e_table->structure_change_id = 0;
572 e_table->expansion_change_id = 0;
573 e_table->dimension_change_id = 0;
574 e_table->reflow_idle_id = 0;
575 e_table->scroll_idle_id = 0;
576
577 e_table->alternating_row_colors = 1;
578 e_table->horizontal_draw_grid = 1;
579 e_table->vertical_draw_grid = 1;
580 e_table->draw_focus = 1;
581 e_table->cursor_mode = E_CURSOR_SIMPLE;
582 e_table->length_threshold = 200;
583 e_table->uniform_row_height = FALSE;
584
585 e_table->need_rebuild = 0;
586 e_table->rebuild_idle_id = 0;
587
588 e_table->horizontal_scrolling = FALSE;
589 e_table->horizontal_resize = FALSE;
590
591 e_table->click_to_add_message = NULL;
592 e_table->domain = NULL;
593
594 e_table->drop_row = -1;
595 e_table->drop_col = -1;
596 e_table->site = NULL;
597
598 e_table->do_drag = 0;
599
600 e_table->sorter = NULL;
601 e_table->selection = e_table_selection_model_new ();
602 e_table->cursor_loc = E_TABLE_CURSOR_LOC_NONE;
603 e_table->spec = NULL;
604
605 e_table->always_search = g_getenv ("GAL_ALWAYS_SEARCH") ? TRUE : FALSE;
606
607 e_table->search = NULL;
608 e_table->search_search_id = 0;
609 e_table->search_accept_id = 0;
610
611 e_table->current_search_col = NULL;
612
613 e_table->header_width = 0;
614
615 e_table->state_changed = FALSE;
616 e_table->state_change_freeze = 0;
617 }
618
619 /* Grab_focus handler for the ETable */
620 static void
621 et_grab_focus (GtkWidget *widget)
622 {
623 ETable *e_table;
624
625 e_table = E_TABLE (widget);
626
627 gtk_widget_grab_focus (GTK_WIDGET (e_table->table_canvas));
628 }
629
630 /* Focus handler for the ETable */
631 static gint
632 et_focus (GtkWidget *container,
633 GtkDirectionType direction)
634 {
635 ETable *e_table;
636
637 e_table = E_TABLE (container);
638
639 if (gtk_container_get_focus_child (GTK_CONTAINER (container))) {
640 gtk_container_set_focus_child (GTK_CONTAINER (container), NULL);
641 return FALSE;
642 }
643
644 return gtk_widget_child_focus (GTK_WIDGET (e_table->table_canvas), direction);
645 }
646
647 static void
648 set_header_canvas_width (ETable *e_table)
649 {
650 gdouble oldwidth, oldheight, width;
651
652 if (!(e_table->header_item && e_table->header_canvas && e_table->table_canvas))
653 return;
654
655 gnome_canvas_get_scroll_region (
656 GNOME_CANVAS (e_table->table_canvas),
657 NULL, NULL, &width, NULL);
658 gnome_canvas_get_scroll_region (
659 GNOME_CANVAS (e_table->header_canvas),
660 NULL, NULL, &oldwidth, &oldheight);
661
662 if (oldwidth != width ||
663 oldheight != E_TABLE_HEADER_ITEM (e_table->header_item)->height - 1)
664 gnome_canvas_set_scroll_region (
665 GNOME_CANVAS (e_table->header_canvas),
666 0, 0, width, /* COLUMN_HEADER_HEIGHT - 1 */
667 E_TABLE_HEADER_ITEM (e_table->header_item)->height - 1);
668
669 }
670
671 static void
672 header_canvas_size_allocate (GtkWidget *widget,
673 GtkAllocation *alloc,
674 ETable *e_table)
675 {
676 GtkAllocation allocation;
677
678 set_header_canvas_width (e_table);
679
680 gtk_widget_get_allocation (
681 GTK_WIDGET (e_table->header_canvas), &allocation);
682
683 /* When the header item is created ->height == 0,
684 * as the font is only created when everything is realized.
685 * So we set the usize here as well, so that the size of the
686 * header is correct */
687 if (allocation.height != E_TABLE_HEADER_ITEM (e_table->header_item)->height)
688 g_object_set (
689 e_table->header_canvas, "height-request",
690 E_TABLE_HEADER_ITEM (e_table->header_item)->height,
691 NULL);
692 }
693
694 static void
695 group_info_changed (ETableSortInfo *info,
696 ETable *et)
697 {
698 gboolean will_be_grouped = e_table_sort_info_grouping_get_count (info) > 0;
699 clear_current_search_col (et);
700 if (et->is_grouped || will_be_grouped) {
701 et->need_rebuild = TRUE;
702 if (!et->rebuild_idle_id) {
703 g_object_run_dispose (G_OBJECT (et->group));
704 et->group = NULL;
705 et->rebuild_idle_id = g_idle_add_full (20, changed_idle, et, NULL);
706 }
707 }
708 e_table_state_change (et);
709 }
710
711 static void
712 sort_info_changed (ETableSortInfo *info,
713 ETable *et)
714 {
715 clear_current_search_col (et);
716 e_table_state_change (et);
717 }
718
719 static void
720 e_table_setup_header (ETable *e_table)
721 {
722 gchar *pointer;
723 e_table->header_canvas = GNOME_CANVAS (e_canvas_new ());
724
725 gtk_widget_show (GTK_WIDGET (e_table->header_canvas));
726
727 pointer = g_strdup_printf ("%p", (gpointer) e_table);
728
729 e_table->header_item = gnome_canvas_item_new (
730 gnome_canvas_root (e_table->header_canvas),
731 e_table_header_item_get_type (),
732 "ETableHeader", e_table->header,
733 "full_header", e_table->full_header,
734 "sort_info", e_table->sort_info,
735 "dnd_code", pointer,
736 "table", e_table,
737 NULL);
738
739 g_free (pointer);
740
741 g_signal_connect (
742 e_table->header_canvas, "size_allocate",
743 G_CALLBACK (header_canvas_size_allocate), e_table);
744
745 g_object_set (
746 e_table->header_canvas, "height-request",
747 E_TABLE_HEADER_ITEM (e_table->header_item)->height, NULL);
748 }
749
750 static gboolean
751 table_canvas_reflow_idle (ETable *e_table)
752 {
753 gdouble height, width;
754 gdouble oldheight, oldwidth;
755 GtkAllocation allocation;
756
757 gtk_widget_get_allocation (
758 GTK_WIDGET (e_table->table_canvas), &allocation);
759
760 g_object_get (
761 e_table->canvas_vbox,
762 "height", &height, "width", &width, NULL);
763 height = MAX ((gint) height, allocation.height);
764 width = MAX ((gint) width, allocation.width);
765 /* I have no idea why this needs to be -1, but it works. */
766 gnome_canvas_get_scroll_region (
767 GNOME_CANVAS (e_table->table_canvas),
768 NULL, NULL, &oldwidth, &oldheight);
769
770 if (oldwidth != width - 1 ||
771 oldheight != height - 1) {
772 gnome_canvas_set_scroll_region (
773 GNOME_CANVAS (e_table->table_canvas),
774 0, 0, width - 1, height - 1);
775 set_header_canvas_width (e_table);
776 }
777 e_table->reflow_idle_id = 0;
778 return FALSE;
779 }
780
781 static void
782 table_canvas_size_allocate (GtkWidget *widget,
783 GtkAllocation *alloc,
784 ETable *e_table)
785 {
786 gdouble width;
787 gdouble height;
788 GValue *val = g_new0 (GValue, 1);
789 g_value_init (val, G_TYPE_DOUBLE);
790
791 width = alloc->width;
792 g_value_set_double (val, width);
793 g_object_get (
794 e_table->canvas_vbox,
795 "height", &height,
796 NULL);
797 height = MAX ((gint) height, alloc->height);
798
799 g_object_set (
800 e_table->canvas_vbox,
801 "width", width,
802 NULL);
803 g_object_set_property (G_OBJECT (e_table->header), "width", val);
804 g_free (val);
805 if (e_table->reflow_idle_id)
806 g_source_remove (e_table->reflow_idle_id);
807 table_canvas_reflow_idle (e_table);
808
809 e_table->size_allocated = TRUE;
810
811 if (e_table->need_rebuild && !e_table->rebuild_idle_id)
812 e_table->rebuild_idle_id = g_idle_add_full (20, changed_idle, e_table, NULL);
813 }
814
815 static void
816 table_canvas_reflow (GnomeCanvas *canvas,
817 ETable *e_table)
818 {
819 if (!e_table->reflow_idle_id)
820 e_table->reflow_idle_id = g_idle_add_full (
821 400, (GSourceFunc) table_canvas_reflow_idle,
822 e_table, NULL);
823 }
824
825 static void
826 click_to_add_cursor_change (ETableClickToAdd *etcta,
827 gint row,
828 gint col,
829 ETable *et)
830 {
831 if (et->cursor_loc == E_TABLE_CURSOR_LOC_TABLE) {
832 e_selection_model_clear (E_SELECTION_MODEL (et->selection));
833 }
834 et->cursor_loc = E_TABLE_CURSOR_LOC_ETCTA;
835 }
836
837 static void
838 group_cursor_change (ETableGroup *etg,
839 gint row,
840 ETable *et)
841 {
842 ETableCursorLoc old_cursor_loc;
843
844 old_cursor_loc = et->cursor_loc;
845
846 et->cursor_loc = E_TABLE_CURSOR_LOC_TABLE;
847 g_signal_emit (et, et_signals[CURSOR_CHANGE], 0, row);
848
849 if (old_cursor_loc == E_TABLE_CURSOR_LOC_ETCTA && et->click_to_add)
850 e_table_click_to_add_commit (E_TABLE_CLICK_TO_ADD (et->click_to_add));
851 }
852
853 static void
854 group_cursor_activated (ETableGroup *etg,
855 gint row,
856 ETable *et)
857 {
858 g_signal_emit (et, et_signals[CURSOR_ACTIVATED], 0, row);
859 }
860
861 static void
862 group_double_click (ETableGroup *etg,
863 gint row,
864 gint col,
865 GdkEvent *event,
866 ETable *et)
867 {
868 g_signal_emit (et, et_signals[DOUBLE_CLICK], 0, row, col, event);
869 }
870
871 static gboolean
872 group_right_click (ETableGroup *etg,
873 gint row,
874 gint col,
875 GdkEvent *event,
876 ETable *et)
877 {
878 gboolean return_val = FALSE;
879
880 g_signal_emit (
881 et, et_signals[RIGHT_CLICK], 0,
882 row, col, event, &return_val);
883
884 return return_val;
885 }
886
887 static gboolean
888 group_click (ETableGroup *etg,
889 gint row,
890 gint col,
891 GdkEvent *event,
892 ETable *et)
893 {
894 gboolean return_val = 0;
895
896 g_signal_emit (
897 et, et_signals[CLICK], 0,
898 row, col, event, &return_val);
899
900 return return_val;
901 }
902
903 static gboolean
904 group_key_press (ETableGroup *etg,
905 gint row,
906 gint col,
907 GdkEvent *event,
908 ETable *et)
909 {
910 gboolean return_val = FALSE;
911 GdkEventKey *key = (GdkEventKey *) event;
912 gint y, row_local, col_local;
913 GtkAdjustment *adjustment;
914 GtkScrollable *scrollable;
915 gdouble page_size;
916 gdouble upper;
917 gdouble value;
918
919 scrollable = GTK_SCROLLABLE (et->table_canvas);
920 adjustment = gtk_scrollable_get_vadjustment (scrollable);
921
922 switch (key->keyval) {
923 case GDK_KEY_Page_Down:
924 case GDK_KEY_KP_Page_Down:
925 page_size = gtk_adjustment_get_page_size (adjustment);
926 upper = gtk_adjustment_get_value (adjustment);
927 value = gtk_adjustment_get_value (adjustment);
928
929 y = CLAMP (value + (2 * page_size - 50), 0, upper);
930 y -= value;
931 e_table_get_cell_at (et, 30, y, &row_local, &col_local);
932
933 if (row_local == -1)
(emitted by clang-analyzer)TODO: a detailed trace is available in the data model (not yet rendered in this report)
(emitted by clang-analyzer)TODO: a detailed trace is available in the data model (not yet rendered in this report)
934 row_local = e_table_model_row_count (et->model) - 1;
935
936 row_local = e_table_view_to_model_row (et, row_local);
937 col_local = e_selection_model_cursor_col (E_SELECTION_MODEL (et->selection));
938 e_selection_model_select_as_key_press (
939 E_SELECTION_MODEL (et->selection),
940 row_local, col_local, key->state);
941 return_val = 1;
942 break;
943 case GDK_KEY_Page_Up:
944 case GDK_KEY_KP_Page_Up:
945 page_size = gtk_adjustment_get_page_size (adjustment);
946 upper = gtk_adjustment_get_upper (adjustment);
947 value = gtk_adjustment_get_value (adjustment);
948
949 y = CLAMP (value - (page_size - 50), 0, upper);
950 y -= value;
951 e_table_get_cell_at (et, 30, y, &row_local, &col_local);
952
953 if (row_local == -1)
(emitted by clang-analyzer)TODO: a detailed trace is available in the data model (not yet rendered in this report)
(emitted by clang-analyzer)TODO: a detailed trace is available in the data model (not yet rendered in this report)
954 row_local = 0;
955
956 row_local = e_table_view_to_model_row (et, row_local);
957 col_local = e_selection_model_cursor_col (E_SELECTION_MODEL (et->selection));
958 e_selection_model_select_as_key_press (
959 E_SELECTION_MODEL (et->selection),
960 row_local, col_local, key->state);
961 return_val = 1;
962 break;
963 case GDK_KEY_BackSpace:
964 init_search (et);
965 if (e_table_search_backspace (et->search))
966 return TRUE;
967 /* Fall through */
968 default:
969 init_search (et);
970 if ((key->state & ~(GDK_SHIFT_MASK | GDK_LOCK_MASK |
971 GDK_MOD1_MASK | GDK_MOD2_MASK | GDK_MOD3_MASK |
972 GDK_MOD4_MASK | GDK_MOD5_MASK)) == 0
973 && ((key->keyval >= GDK_KEY_a && key->keyval <= GDK_KEY_z) ||
974 (key->keyval >= GDK_KEY_A && key->keyval <= GDK_KEY_Z) ||
975 (key->keyval >= GDK_KEY_0 && key->keyval <= GDK_KEY_9)))
976 e_table_search_input_character (et->search, key->keyval);
977 g_signal_emit (
978 et, et_signals[KEY_PRESS], 0,
979 row, col, event, &return_val);
980 break;
981 }
982 return return_val;
983 }
984
985 static gboolean
986 group_start_drag (ETableGroup *etg,
987 gint row,
988 gint col,
989 GdkEvent *event,
990 ETable *et)
991 {
992 gboolean return_val = TRUE;
993
994 g_signal_emit (
995 et, et_signals[START_DRAG], 0,
996 row, col, event, &return_val);
997
998 return return_val;
999 }
1000
1001 static void
1002 et_table_model_changed (ETableModel *model,
1003 ETable *et)
1004 {
1005 et->need_rebuild = TRUE;
1006 if (!et->rebuild_idle_id) {
1007 g_object_run_dispose (G_OBJECT (et->group));
1008 et->group = NULL;
1009 et->rebuild_idle_id = g_idle_add_full (20, changed_idle, et, NULL);
1010 }
1011 }
1012
1013 static void
1014 et_table_row_changed (ETableModel *table_model,
1015 gint row,
1016 ETable *et)
1017 {
1018 if (!et->need_rebuild) {
1019 if (e_table_group_remove (et->group, row))
1020 e_table_group_add (et->group, row);
1021 CHECK_HORIZONTAL (et);
1022 }
1023 }
1024
1025 static void
1026 et_table_cell_changed (ETableModel *table_model,
1027 gint view_col,
1028 gint row,
1029 ETable *et)
1030 {
1031 et_table_row_changed (table_model, row, et);
1032 }
1033
1034 static void
1035 et_table_rows_inserted (ETableModel *table_model,
1036 gint row,
1037 gint count,
1038 ETable *et)
1039 {
1040 /* This number has already been decremented. */
1041 gint row_count = e_table_model_row_count (table_model);
1042 if (!et->need_rebuild) {
1043 gint i;
1044 if (row != row_count - count)
1045 e_table_group_increment (et->group, row, count);
1046 for (i = 0; i < count; i++)
1047 e_table_group_add (et->group, row + i);
1048 CHECK_HORIZONTAL (et);
1049 }
1050 }
1051
1052 static void
1053 et_table_rows_deleted (ETableModel *table_model,
1054 gint row,
1055 gint count,
1056 ETable *et)
1057 {
1058 gint row_count = e_table_model_row_count (table_model);
1059 if (!et->need_rebuild) {
1060 gint i;
1061 for (i = 0; i < count; i++)
1062 e_table_group_remove (et->group, row + i);
1063 if (row != row_count)
1064 e_table_group_decrement (et->group, row, count);
1065 CHECK_HORIZONTAL (et);
1066 }
1067 }
1068
1069 static void
1070 et_build_groups (ETable *et)
1071 {
1072 gboolean was_grouped = et->is_grouped;
1073
1074 et->is_grouped = e_table_sort_info_grouping_get_count (et->sort_info) > 0;
1075
1076 et->group = e_table_group_new (
1077 GNOME_CANVAS_GROUP (et->canvas_vbox),
1078 et->full_header,
1079 et->header,
1080 et->model,
1081 et->sort_info,
1082 0);
1083
1084 if (et->use_click_to_add_end)
1085 e_canvas_vbox_add_item_start (
1086 E_CANVAS_VBOX (et->canvas_vbox),
1087 GNOME_CANVAS_ITEM (et->group));
1088 else
1089 e_canvas_vbox_add_item (
1090 E_CANVAS_VBOX (et->canvas_vbox),
1091 GNOME_CANVAS_ITEM (et->group));
1092
1093 gnome_canvas_item_set (
1094 GNOME_CANVAS_ITEM (et->group),
1095 "alternating_row_colors", et->alternating_row_colors,
1096 "horizontal_draw_grid", et->horizontal_draw_grid,
1097 "vertical_draw_grid", et->vertical_draw_grid,
1098 "drawfocus", et->draw_focus,
1099 "cursor_mode", et->cursor_mode,
1100 "length_threshold", et->length_threshold,
1101 "uniform_row_height", et->uniform_row_height,
1102 "selection_model", et->selection,
1103 NULL);
1104
1105 g_signal_connect (
1106 et->group, "cursor_change",
1107 G_CALLBACK (group_cursor_change), et);
1108 g_signal_connect (
1109 et->group, "cursor_activated",
1110 G_CALLBACK (group_cursor_activated), et);
1111 g_signal_connect (
1112 et->group, "double_click",
1113 G_CALLBACK (group_double_click), et);
1114 g_signal_connect (
1115 et->group, "right_click",
1116 G_CALLBACK (group_right_click), et);
1117 g_signal_connect (
1118 et->group, "click",
1119 G_CALLBACK (group_click), et);
1120 g_signal_connect (
1121 et->group, "key_press",
1122 G_CALLBACK (group_key_press), et);
1123 g_signal_connect (
1124 et->group, "start_drag",
1125 G_CALLBACK (group_start_drag), et);
1126
1127 if (!(et->is_grouped) && was_grouped)
1128 et_disconnect_model (et);
1129
1130 if (et->is_grouped && (!was_grouped)) {
1131 et->table_model_change_id = g_signal_connect (
1132 et->model, "model_changed",
1133 G_CALLBACK (et_table_model_changed), et);
1134
1135 et->table_row_change_id = g_signal_connect (
1136 et->model, "model_row_changed",
1137 G_CALLBACK (et_table_row_changed), et);
1138
1139 et->table_cell_change_id = g_signal_connect (
1140 et->model, "model_cell_changed",
1141 G_CALLBACK (et_table_cell_changed), et);
1142
1143 et->table_rows_inserted_id = g_signal_connect (
1144 et->model, "model_rows_inserted",
1145 G_CALLBACK (et_table_rows_inserted), et);
1146
1147 et->table_rows_deleted_id = g_signal_connect (
1148 et->model, "model_rows_deleted",
1149 G_CALLBACK (et_table_rows_deleted), et);
1150
1151 }
1152
1153 if (et->is_grouped)
1154 e_table_fill_table (et, et->model);
1155 }
1156
1157 static gboolean
1158 changed_idle (gpointer data)
1159 {
1160 ETable *et = E_TABLE (data);
1161
1162 /* Wait until we have a valid size allocation. */
1163 if (et->need_rebuild && et->size_allocated) {
1164 GtkWidget *widget;
1165 GtkAllocation allocation;
1166
1167 if (et->group)
1168 g_object_run_dispose (G_OBJECT (et->group));
1169 et_build_groups (et);
1170
1171 widget = GTK_WIDGET (et->table_canvas);
1172 gtk_widget_get_allocation (widget, &allocation);
1173
1174 g_object_set (
1175 et->canvas_vbox,
1176 "width", (gdouble) allocation.width,
1177 NULL);
1178
1179 table_canvas_size_allocate (widget, &allocation, et);
1180
1181 et->need_rebuild = 0;
1182 }
1183
1184 et->rebuild_idle_id = 0;
1185
1186 CHECK_HORIZONTAL (et);
1187
1188 return FALSE;
1189 }
1190
1191 static void
1192 et_canvas_realize (GtkWidget *canvas,
1193 ETable *e_table)
1194 {
1195 GtkWidget *widget;
1196 GtkStyle *style;
1197
1198 widget = GTK_WIDGET (e_table->table_canvas);
1199 style = gtk_widget_get_style (widget);
1200
1201 gnome_canvas_item_set (
1202 e_table->white_item,
1203 "fill_color_gdk", &style->base[GTK_STATE_NORMAL],
1204 NULL);
1205
1206 CHECK_HORIZONTAL (e_table);
1207 set_header_width (e_table);
1208 }
1209
1210 static gboolean
1211 white_item_event (GnomeCanvasItem *white_item,
1212 GdkEvent *event,
1213 ETable *e_table)
1214 {
1215 gboolean return_val = 0;
1216
1217 g_signal_emit (
1218 e_table, et_signals[WHITE_SPACE_EVENT], 0,
1219 event, &return_val);
1220
1221 return return_val;
1222 }
1223
1224 static void
1225 et_eti_leave_edit (ETable *et)
1226 {
1227 GnomeCanvas *canvas = et->table_canvas;
1228
1229 if (gtk_widget_has_focus (GTK_WIDGET (canvas))) {
1230 GnomeCanvasItem *item = GNOME_CANVAS (canvas)->focused_item;
1231
1232 if (E_IS_TABLE_ITEM (item)) {
1233 e_table_item_leave_edit_(E_TABLE_ITEM (item));
1234 }
1235 }
1236 }
1237
1238 static gint
1239 et_canvas_root_event (GnomeCanvasItem *root,
1240 GdkEvent *event,
1241 ETable *e_table)
1242 {
1243 switch (event->type) {
1244 case GDK_BUTTON_PRESS:
1245 case GDK_2BUTTON_PRESS:
1246 case GDK_BUTTON_RELEASE:
1247 if (event->button.button != 4 && event->button.button != 5) {
1248 et_eti_leave_edit (e_table);
1249 return TRUE;
1250 }
1251 break;
1252 default:
1253 break;
1254 }
1255
1256 return FALSE;
1257 }
1258
1259 /* Finds the first descendant of the group that is an ETableItem and focuses it */
1260 static void
1261 focus_first_etable_item (ETableGroup *group)
1262 {
1263 GnomeCanvasGroup *cgroup;
1264 GList *l;
1265
1266 cgroup = GNOME_CANVAS_GROUP (group);
1267
1268 for (l = cgroup->item_list; l; l = l->next) {
1269 GnomeCanvasItem *i;
1270
1271 i = GNOME_CANVAS_ITEM (l->data);
1272
1273 if (E_IS_TABLE_GROUP (i))
1274 focus_first_etable_item (E_TABLE_GROUP (i));
1275 else if (E_IS_TABLE_ITEM (i)) {
1276 e_table_item_set_cursor (E_TABLE_ITEM (i), 0, 0);
1277 gnome_canvas_item_grab_focus (i);
1278 }
1279 }
1280 }
1281
1282 /* Handler for focus events in the table_canvas; we have to repaint ourselves
1283 * always, and also give the focus to some ETableItem if we get focused.
1284 */
1285 static gint
1286 table_canvas_focus_event_cb (GtkWidget *widget,
1287 GdkEventFocus *event,
1288 gpointer data)
1289 {
1290 GnomeCanvas *canvas;
1291 ECanvas *ecanvas;
1292 ETable *etable;
1293
1294 gtk_widget_queue_draw (widget);
1295 canvas = GNOME_CANVAS (widget);
1296 ecanvas = E_CANVAS (widget);
1297
1298 if (!event->in) {
1299 gtk_im_context_focus_out (ecanvas->im_context);
1300 return FALSE;
1301 } else {
1302 gtk_im_context_focus_in (ecanvas->im_context);
1303 }
1304
1305 etable = E_TABLE (data);
1306
1307 if (e_table_model_row_count (etable->model) < 1
1308 && (etable->click_to_add)
1309 && !(E_TABLE_CLICK_TO_ADD (etable->click_to_add)->row)) {
1310 gnome_canvas_item_grab_focus (etable->canvas_vbox);
1311 gnome_canvas_item_grab_focus (etable->click_to_add);
1312 } else if (!canvas->focused_item && etable->group) {
1313 focus_first_etable_item (etable->group);
1314 } else if (canvas->focused_item) {
1315 ESelectionModel *selection = (ESelectionModel *) etable->selection;
1316
1317 /* check whether click_to_add already got the focus */
1318 if (etable->click_to_add) {
1319 GnomeCanvasItem *row = E_TABLE_CLICK_TO_ADD (etable->click_to_add)->row;
1320 if (canvas->focused_item == row)
1321 return TRUE;
1322 }
1323
1324 if (e_selection_model_cursor_row (selection) == -1)
1325 focus_first_etable_item (etable->group);
1326 }
1327
1328 return FALSE;
1329 }
1330
1331 static gboolean
1332 canvas_vbox_event (ECanvasVbox *vbox,
1333 GdkEventKey *key,
1334 ETable *etable)
1335 {
1336 if (key->type != GDK_KEY_PRESS &&
1337 key->type != GDK_KEY_RELEASE) {
1338 return FALSE;
1339 }
1340 switch (key->keyval) {
1341 case GDK_KEY_Tab:
1342 case GDK_KEY_KP_Tab:
1343 case GDK_KEY_ISO_Left_Tab:
1344 if ((key->state & GDK_CONTROL_MASK) && etable->click_to_add) {
1345 gnome_canvas_item_grab_focus (etable->click_to_add);
1346 break;
1347 }
1348 default:
1349 return FALSE;
1350 }
1351
1352 return TRUE;
1353 }
1354
1355 static gboolean
1356 click_to_add_event (ETableClickToAdd *etcta,
1357 GdkEventKey *key,
1358 ETable *etable)
1359 {
1360 if (key->type != GDK_KEY_PRESS &&
1361 key->type != GDK_KEY_RELEASE) {
1362 return FALSE;
1363 }
1364 switch (key->keyval) {
1365 case GDK_KEY_Tab:
1366 case GDK_KEY_KP_Tab:
1367 case GDK_KEY_ISO_Left_Tab:
1368 if (key->state & GDK_CONTROL_MASK) {
1369 if (etable->group) {
1370 if (e_table_model_row_count (etable->model) > 0)
1371 focus_first_etable_item (etable->group);
1372 else
1373 gtk_widget_child_focus (
1374 gtk_widget_get_toplevel (
1375 GTK_WIDGET (etable->table_canvas)),
1376 GTK_DIR_TAB_FORWARD);
1377 break;
1378 }
1379 }
1380 default:
1381 return FALSE;
1382 }
1383
1384 return FALSE;
1385 }
1386
1387 static void
1388 e_table_setup_table (ETable *e_table,
1389 ETableHeader *full_header,
1390 ETableHeader *header,
1391 ETableModel *model)
1392 {
1393 GtkWidget *widget;
1394 GtkStyle *style;
1395
1396 e_table->table_canvas = GNOME_CANVAS (e_canvas_new ());
1397 g_signal_connect (
1398 e_table->table_canvas, "size_allocate",
1399 G_CALLBACK (table_canvas_size_allocate), e_table);
1400 g_signal_connect (
1401 e_table->table_canvas, "focus_in_event",
1402 G_CALLBACK (table_canvas_focus_event_cb), e_table);
1403 g_signal_connect (
1404 e_table->table_canvas, "focus_out_event",
1405 G_CALLBACK (table_canvas_focus_event_cb), e_table);
1406
1407 g_signal_connect (
1408 e_table, "drag_begin",
1409 G_CALLBACK (et_drag_begin), e_table);
1410 g_signal_connect (
1411 e_table, "drag_end",
1412 G_CALLBACK (et_drag_end), e_table);
1413 g_signal_connect (
1414 e_table, "drag_data_get",
1415 G_CALLBACK (et_drag_data_get), e_table);
1416 g_signal_connect (
1417 e_table, "drag_data_delete",
1418 G_CALLBACK (et_drag_data_delete), e_table);
1419 g_signal_connect (
1420 e_table, "drag_motion",
1421 G_CALLBACK (et_drag_motion), e_table);
1422 g_signal_connect (
1423 e_table, "drag_leave",
1424 G_CALLBACK (et_drag_leave), e_table);
1425 g_signal_connect (
1426 e_table, "drag_drop",
1427 G_CALLBACK (et_drag_drop), e_table);
1428 g_signal_connect (
1429 e_table, "drag_data_received",
1430 G_CALLBACK (et_drag_data_received), e_table);
1431
1432 g_signal_connect (
1433 e_table->table_canvas, "reflow",
1434 G_CALLBACK (table_canvas_reflow), e_table);
1435
1436 widget = GTK_WIDGET (e_table->table_canvas);
1437 style = gtk_widget_get_style (widget);
1438
1439 gtk_widget_show (widget);
1440
1441 e_table->white_item = gnome_canvas_item_new (
1442 gnome_canvas_root (e_table->table_canvas),
1443 e_canvas_background_get_type (),
1444 "fill_color_gdk", &style->base[GTK_STATE_NORMAL],
1445 NULL);
1446
1447 g_signal_connect (
1448 e_table->white_item, "event",
1449 G_CALLBACK (white_item_event), e_table);
1450
1451 g_signal_connect (
1452 e_table->table_canvas, "realize",
1453 G_CALLBACK (et_canvas_realize), e_table);
1454
1455 g_signal_connect (
1456 gnome_canvas_root (e_table->table_canvas), "event",
1457 G_CALLBACK (et_canvas_root_event), e_table);
1458
1459 e_table->canvas_vbox = gnome_canvas_item_new (
1460 gnome_canvas_root (e_table->table_canvas),
1461 e_canvas_vbox_get_type (),
1462 "spacing", 10.0,
1463 NULL);
1464
1465 g_signal_connect (
1466 e_table->canvas_vbox, "event",
1467 G_CALLBACK (canvas_vbox_event), e_table);
1468
1469 et_build_groups (e_table);
1470
1471 if (e_table->use_click_to_add) {
1472 e_table->click_to_add = gnome_canvas_item_new (
1473 GNOME_CANVAS_GROUP (e_table->canvas_vbox),
1474 e_table_click_to_add_get_type (),
1475 "header", e_table->header,
1476 "model", e_table->model,
1477 "message", e_table->click_to_add_message,
1478 NULL);
1479
1480 if (e_table->use_click_to_add_end)
1481 e_canvas_vbox_add_item (
1482 E_CANVAS_VBOX (e_table->canvas_vbox),
1483 e_table->click_to_add);
1484 else
1485 e_canvas_vbox_add_item_start (
1486 E_CANVAS_VBOX (e_table->canvas_vbox),
1487 e_table->click_to_add);
1488
1489 g_signal_connect (
1490 e_table->click_to_add, "event",
1491 G_CALLBACK (click_to_add_event), e_table);
1492 g_signal_connect (
1493 e_table->click_to_add, "cursor_change",
1494 G_CALLBACK (click_to_add_cursor_change), e_table);
1495 }
1496 }
1497
1498 static void
1499 e_table_fill_table (ETable *e_table,
1500 ETableModel *model)
1501 {
1502 e_table_group_add_all (e_table->group);
1503 }
1504
1505 /**
1506 * e_table_set_state_object:
1507 * @e_table: The #ETable object to modify
1508 * @state: The #ETableState to use
1509 *
1510 * This routine sets the state of the #ETable from the given
1511 * #ETableState.
1512 *
1513 **/
1514 void
1515 e_table_set_state_object (ETable *e_table,
1516 ETableState *state)
1517 {
1518 GValue *val;
1519 GtkWidget *widget;
1520 GtkAllocation allocation;
1521
1522 val = g_new0 (GValue, 1);
1523 g_value_init (val, G_TYPE_DOUBLE);
1524
1525 connect_header (e_table, state);
1526
1527 widget = GTK_WIDGET (e_table->table_canvas);
1528 gtk_widget_get_allocation (widget, &allocation);
1529
1530 g_value_set_double (val, (gdouble) allocation.width);
1531 g_object_set_property (G_OBJECT (e_table->header), "width", val);
1532 g_free (val);
1533
1534 if (e_table->sort_info) {
1535 if (e_table->group_info_change_id)
1536 g_signal_handler_disconnect (
1537 e_table->sort_info,
1538 e_table->group_info_change_id);
1539 if (e_table->sort_info_change_id)
1540 g_signal_handler_disconnect (
1541 e_table->sort_info,
1542 e_table->sort_info_change_id);
1543 g_object_unref (e_table->sort_info);
1544 }
1545 if (state->sort_info) {
1546 e_table->sort_info = e_table_sort_info_duplicate (state->sort_info);
1547 e_table_sort_info_set_can_group (
1548 e_table->sort_info, e_table->allow_grouping);
1549 e_table->group_info_change_id = g_signal_connect (
1550 e_table->sort_info, "group_info_changed",
1551 G_CALLBACK (group_info_changed), e_table);
1552
1553 e_table->sort_info_change_id = g_signal_connect (
1554 e_table->sort_info, "sort_info_changed",
1555 G_CALLBACK (sort_info_changed), e_table);
1556 }
1557 else
1558 e_table->sort_info = NULL;
1559
1560 if (e_table->sorter)
1561 g_object_set (
1562 e_table->sorter,
1563 "sort_info", e_table->sort_info,
1564 NULL);
1565 if (e_table->header_item)
1566 g_object_set (
1567 e_table->header_item,
1568 "ETableHeader", e_table->header,
1569 "sort_info", e_table->sort_info,
1570 NULL);
1571 if (e_table->click_to_add)
1572 g_object_set (
1573 e_table->click_to_add,
1574 "header", e_table->header,
1575 NULL);
1576
1577 e_table->need_rebuild = TRUE;
1578 if (!e_table->rebuild_idle_id)
1579 e_table->rebuild_idle_id = g_idle_add_full (20, changed_idle, e_table, NULL);
1580
1581 e_table_state_change (e_table);
1582 }
1583
1584 /**
1585 * e_table_set_state:
1586 * @e_table: The #ETable object to modify
1587 * @state_str: a string representing an #ETableState
1588 *
1589 * This routine sets the state of the #ETable from a string.
1590 *
1591 **/
1592 void
1593 e_table_set_state (ETable *e_table,
1594 const gchar *state_str)
1595 {
1596 ETableState *state;
1597
1598 g_return_if_fail (E_IS_TABLE (e_table));
1599 g_return_if_fail (state_str != NULL);
1600
1601 state = e_table_state_new ();
1602 e_table_state_load_from_string (state, state_str);
1603
1604 if (state->col_count > 0)
1605 e_table_set_state_object (e_table, state);
1606
1607 g_object_unref (state);
1608 }
1609
1610 /**
1611 * e_table_load_state:
1612 * @e_table: The #ETable object to modify
1613 * @filename: name of the file to use
1614 *
1615 * This routine sets the state of the #ETable from a file.
1616 *
1617 **/
1618 void
1619 e_table_load_state (ETable *e_table,
1620 const gchar *filename)
1621 {
1622 ETableState *state;
1623
1624 g_return_if_fail (E_IS_TABLE (e_table));
1625 g_return_if_fail (filename != NULL);
1626
1627 state = e_table_state_new ();
1628 e_table_state_load_from_file (state, filename);
1629
1630 if (state->col_count > 0)
1631 e_table_set_state_object (e_table, state);
1632
1633 g_object_unref (state);
1634 }
1635
1636 /**
1637 * e_table_get_state_object:
1638 * @e_table: #ETable object to act on
1639 *
1640 * Builds an #ETableState corresponding to the current state of the
1641 * #ETable.
1642 *
1643 * Return value:
1644 * The %ETableState object generated.
1645 **/
1646 ETableState *
1647 e_table_get_state_object (ETable *e_table)
1648 {
1649 ETableState *state;
1650 gint full_col_count;
1651 gint i, j;
1652
1653 state = e_table_state_new ();
1654 if (state->sort_info)
1655 g_object_unref (state->sort_info);
1656 state->sort_info = e_table->sort_info;
1657 g_object_ref (state->sort_info);
1658
1659 state->col_count = e_table_header_count (e_table->header);
1660 full_col_count = e_table_header_count (e_table->full_header);
1661 state->columns = g_new (int, state->col_count);
1662 state->expansions = g_new (double, state->col_count);
1663 for (i = 0; i < state->col_count; i++) {
1664 ETableCol *col = e_table_header_get_column (e_table->header, i);
1665 state->columns[i] = -1;
1666 for (j = 0; j < full_col_count; j++) {
1667 if (col->col_idx == e_table_header_index (e_table->full_header, j)) {
1668 state->columns[i] = j;
1669 break;
1670 }
1671 }
1672 state->expansions[i] = col->expansion;
1673 }
1674
1675 return state;
1676 }
1677
1678 /**
1679 * e_table_get_state:
1680 * @e_table: The #ETable to act on.
1681 *
1682 * Builds a state object based on the current state and returns the
1683 * string corresponding to that state.
1684 *
1685 * Return value:
1686 * A string describing the current state of the #ETable.
1687 **/
1688 gchar *e_table_get_state (ETable *e_table)
1689 {
1690 ETableState *state;
1691 gchar *string;
1692
1693 state = e_table_get_state_object (e_table);
1694 string = e_table_state_save_to_string (state);
1695 g_object_unref (state);
1696 return string;
1697 }
1698
1699 /**
1700 * e_table_save_state:
1701 * @e_table: The #ETable to act on
1702 * @filename: name of the file to save to
1703 *
1704 * Saves the state of the @e_table object into the file pointed by
1705 * @filename.
1706 *
1707 **/
1708 void
1709 e_table_save_state (ETable *e_table,
1710 const gchar *filename)
1711 {
1712 ETableState *state;
1713
1714 state = e_table_get_state_object (e_table);
1715 e_table_state_save_to_file (state, filename);
1716 g_object_unref (state);
1717 }
1718
1719 static void
1720 et_selection_model_selection_changed (ETableGroup *etg,
1721 ETable *et)
1722 {
1723 g_signal_emit (et, et_signals[SELECTION_CHANGE], 0);
1724 }
1725
1726 static void
1727 et_selection_model_selection_row_changed (ETableGroup *etg,
1728 gint row,
1729 ETable *et)
1730 {
1731 g_signal_emit (et, et_signals[SELECTION_CHANGE], 0);
1732 }
1733
1734 static ETable *
1735 et_real_construct (ETable *e_table,
1736 ETableModel *etm,
1737 ETableExtras *ete,
1738 ETableSpecification *specification,
1739 ETableState *state)
1740 {
1741 gint row = 0;
1742 gint col_count, i;
1743 GValue *val;
1744 GtkAdjustment *adjustment;
1745 GtkScrollable *scrollable;
1746
1747 val = g_new0 (GValue, 1);
1748 g_value_init (val, G_TYPE_OBJECT);
1749
1750 if (ete)
1751 g_object_ref (ete);
1752 else {
1753 ete = e_table_extras_new ();
1754 }
1755
1756 e_table->domain = g_strdup (specification->domain);
1757
1758 e_table->use_click_to_add = specification->click_to_add;
1759 e_table->use_click_to_add_end = specification->click_to_add_end;
1760 e_table->click_to_add_message = specification->click_to_add_message ?
1761 g_strdup (
1762 dgettext (e_table->domain,
1763 specification->click_to_add_message)) : NULL;
1764 e_table->alternating_row_colors = specification->alternating_row_colors;
1765 e_table->horizontal_draw_grid = specification->horizontal_draw_grid;
1766 e_table->vertical_draw_grid = specification->vertical_draw_grid;
1767 e_table->draw_focus = specification->draw_focus;
1768 e_table->cursor_mode = specification->cursor_mode;
1769 e_table->full_header = e_table_spec_to_full_header (specification, ete);
1770
1771 col_count = e_table_header_count (e_table->full_header);
1772 for (i = 0; i < col_count; i++) {
1773 ETableCol *col = e_table_header_get_column (e_table->full_header, i);
1774 if (col && col->search) {
1775 e_table->current_search_col = col;
1776 e_table->search_col_set = TRUE;
1777 break;
1778 }
1779 }
1780
1781 e_table->model = etm;
1782 g_object_ref (etm);
1783
1784 connect_header (e_table, state);
1785 e_table->horizontal_scrolling = specification->horizontal_scrolling;
1786 e_table->horizontal_resize = specification->horizontal_resize;
1787 e_table->allow_grouping = specification->allow_grouping;
1788
1789 e_table->sort_info = g_object_ref (state->sort_info);
1790
1791 e_table_sort_info_set_can_group (
1792 e_table->sort_info, e_table->allow_grouping);
1793
1794 e_table->group_info_change_id = g_signal_connect (
1795 e_table->sort_info, "group_info_changed",
1796 G_CALLBACK (group_info_changed), e_table);
1797
1798 e_table->sort_info_change_id = g_signal_connect (
1799 e_table->sort_info, "sort_info_changed",
1800 G_CALLBACK (sort_info_changed), e_table);
1801
1802 g_value_set_object (val, e_table->sort_info);
1803 g_object_set_property (G_OBJECT (e_table->header), "sort_info", val);
1804 g_free (val);
1805
1806 e_table->sorter = e_table_sorter_new (
1807 etm, e_table->full_header, e_table->sort_info);
1808
1809 g_object_set (
1810 e_table->selection,
1811 "model", etm,
1812 "selection_mode", specification->selection_mode,
1813 "cursor_mode", specification->cursor_mode,
1814 "sorter", e_table->sorter,
1815 "header", e_table->header,
1816 NULL);
1817
1818 g_signal_connect (
1819 e_table->selection, "selection_changed",
1820 G_CALLBACK (et_selection_model_selection_changed), e_table);
1821 g_signal_connect (
1822 e_table->selection, "selection_row_changed",
1823 G_CALLBACK (et_selection_model_selection_row_changed), e_table);
1824
1825 if (!specification->no_headers)
1826 e_table_setup_header (e_table);
1827
1828 e_table_setup_table (
1829 e_table, e_table->full_header, e_table->header, etm);
1830 e_table_fill_table (e_table, etm);
1831
1832 scrollable = GTK_SCROLLABLE (e_table->table_canvas);
1833
1834 adjustment = gtk_scrollable_get_vadjustment (scrollable);
1835 gtk_adjustment_set_step_increment (adjustment, 20);
1836
1837 adjustment = gtk_scrollable_get_hadjustment (scrollable);
1838 gtk_adjustment_set_step_increment (adjustment, 20);
1839
1840 if (!specification->no_headers) {
1841 /* The header */
1842 gtk_table_attach (
1843 GTK_TABLE (e_table), GTK_WIDGET (e_table->header_canvas),
1844 0, 1, 0 + row, 1 + row,
1845 GTK_FILL | GTK_EXPAND,
1846 GTK_FILL, 0, 0);
1847 row++;
1848 }
1849 gtk_table_attach (
1850 GTK_TABLE (e_table), GTK_WIDGET (e_table->table_canvas),
1851 0, 1, 0 + row, 1 + row,
1852 GTK_FILL | GTK_EXPAND,
1853 GTK_FILL | GTK_EXPAND,
1854 0, 0);
1855
1856 g_object_unref (ete);
1857
1858 return e_table;
1859 }
1860
1861 /**
1862 * e_table_construct:
1863 * @e_table: The newly created #ETable object.
1864 * @etm: The model for this table.
1865 * @ete: An optional #ETableExtras. (%NULL is valid.)
1866 * @spec_str: The spec.
1867 * @state_str: An optional state. (%NULL is valid.)
1868 *
1869 * This is the internal implementation of e_table_new() for use by
1870 * subclasses or language bindings. See e_table_new() for details.
1871 *
1872 * Return value:
1873 * The passed in value @e_table or %NULL if there's an error.
1874 **/
1875 ETable *
1876 e_table_construct (ETable *e_table,
1877 ETableModel *etm,
1878 ETableExtras *ete,
1879 const gchar *spec_str,
1880 const gchar *state_str)
1881 {
1882 ETableSpecification *specification;
1883 ETableState *state;
1884
1885 g_return_val_if_fail (E_IS_TABLE (e_table), NULL);
1886 g_return_val_if_fail (E_IS_TABLE_MODEL (etm), NULL);
1887 g_return_val_if_fail (ete == NULL || E_IS_TABLE_EXTRAS (ete), NULL);
1888 g_return_val_if_fail (spec_str != NULL, NULL);
1889
1890 g_object_ref (etm);
1891
1892 specification = e_table_specification_new ();
1893 g_object_ref (specification);
1894 if (!e_table_specification_load_from_string (specification, spec_str)) {
1895 g_object_unref (specification);
1896 return NULL;
1897 }
1898
1899 if (state_str) {
1900 state = e_table_state_new ();
1901 g_object_ref (state);
1902 e_table_state_load_from_string (state, state_str);
1903 if (state->col_count <= 0) {
1904 g_object_unref (state);
1905 state = specification->state;
1906 g_object_ref (state);
1907 }
1908 } else {
1909 state = specification->state;
1910 g_object_ref (state);
1911 }
1912
1913 e_table = et_real_construct (e_table, etm, ete, specification, state);
1914
1915 e_table->spec = specification;
1916 g_object_unref (state);
1917
1918 return e_table;
1919 }
1920
1921 /**
1922 * e_table_construct_from_spec_file:
1923 * @e_table: The newly created #ETable object.
1924 * @etm: The model for this table.
1925 * @ete: An optional #ETableExtras. (%NULL is valid.)
1926 * @spec_fn: The filename of the spec.
1927 * @state_fn: An optional state file. (%NULL is valid.)
1928 *
1929 * This is the internal implementation of e_table_new_from_spec_file()
1930 * for use by subclasses or language bindings. See
1931 * e_table_new_from_spec_file() for details.
1932 *
1933 * Return value:
1934 * The passed in value @e_table or %NULL if there's an error.
1935 **/
1936 ETable *
1937 e_table_construct_from_spec_file (ETable *e_table,
1938 ETableModel *etm,
1939 ETableExtras *ete,
1940 const gchar *spec_fn,
1941 const gchar *state_fn)
1942 {
1943 ETableSpecification *specification;
1944 ETableState *state;
1945
1946 g_return_val_if_fail (E_IS_TABLE (e_table), NULL);
1947 g_return_val_if_fail (E_IS_TABLE_MODEL (etm), NULL);
1948 g_return_val_if_fail (ete == NULL || E_IS_TABLE_EXTRAS (ete), NULL);
1949 g_return_val_if_fail (spec_fn != NULL, NULL);
1950
1951 specification = e_table_specification_new ();
1952 if (!e_table_specification_load_from_file (specification, spec_fn)) {
1953 g_object_unref (specification);
1954 return NULL;
1955 }
1956
1957 if (state_fn) {
1958 state = e_table_state_new ();
1959 if (!e_table_state_load_from_file (state, state_fn)) {
1960 g_object_unref (state);
1961 state = specification->state;
1962 g_object_ref (state);
1963 }
1964 if (state->col_count <= 0) {
1965 g_object_unref (state);
1966 state = specification->state;
1967 g_object_ref (state);
1968 }
1969 } else {
1970 state = specification->state;
1971 g_object_ref (state);
1972 }
1973
1974 e_table = et_real_construct (e_table, etm, ete, specification, state);
1975
1976 e_table->spec = specification;
1977 g_object_unref (state);
1978
1979 return e_table;
1980 }
1981
1982 /**
1983 * e_table_new:
1984 * @etm: The model for this table.
1985 * @ete: An optional #ETableExtras. (%NULL is valid.)
1986 * @spec: The spec.
1987 * @state: An optional state. (%NULL is valid.)
1988 *
1989 * This function creates an #ETable from the given parameters. The
1990 * #ETableModel is a table model to be represented. The #ETableExtras
1991 * is an optional set of pixbufs, cells, and sorting functions to be
1992 * used when interpreting the spec. If you pass in %NULL it uses the
1993 * default #ETableExtras. (See e_table_extras_new()).
1994 *
1995 * @spec is the specification of the set of viewable columns and the
1996 * default sorting state and such. @state is an optional string
1997 * specifying the current sorting state and such. If @state is NULL,
1998 * then the default state from the spec will be used.
1999 *
2000 * Return value:
2001 * The newly created #ETable or %NULL if there's an error.
2002 **/
2003 GtkWidget *
2004 e_table_new (ETableModel *etm,
2005 ETableExtras *ete,
2006 const gchar *spec,
2007 const gchar *state)
2008 {
2009 ETable *e_table;
2010
2011 g_return_val_if_fail (E_IS_TABLE_MODEL (etm), NULL);
2012 g_return_val_if_fail (ete == NULL || E_IS_TABLE_EXTRAS (ete), NULL);
2013 g_return_val_if_fail (spec != NULL, NULL);
2014
2015 e_table = g_object_new (E_TYPE_TABLE, NULL);
2016
2017 e_table = e_table_construct (e_table, etm, ete, spec, state);
2018
2019 return GTK_WIDGET (e_table);
2020 }
2021
2022 /**
2023 * e_table_new_from_spec_file:
2024 * @etm: The model for this table.
2025 * @ete: An optional #ETableExtras. (%NULL is valid.)
2026 * @spec_fn: The filename of the spec.
2027 * @state_fn: An optional state file. (%NULL is valid.)
2028 *
2029 * This is very similar to e_table_new(), except instead of passing in
2030 * strings you pass in the file names of the spec and state to load.
2031 *
2032 * @spec_fn is the filename of the spec to load. If this file doesn't
2033 * exist, e_table_new_from_spec_file will return %NULL.
2034 *
2035 * @state_fn is the filename of the initial state to load. If this is
2036 * %NULL or if the specified file doesn't exist, the default state
2037 * from the spec file is used.
2038 *
2039 * Return value:
2040 * The newly created #ETable or %NULL if there's an error.
2041 **/
2042 GtkWidget *
2043 e_table_new_from_spec_file (ETableModel *etm,
2044 ETableExtras *ete,
2045 const gchar *spec_fn,
2046 const gchar *state_fn)
2047 {
2048 ETable *e_table;
2049
2050 g_return_val_if_fail (E_IS_TABLE_MODEL (etm), NULL);
2051 g_return_val_if_fail (ete == NULL || E_IS_TABLE_EXTRAS (ete), NULL);
2052 g_return_val_if_fail (spec_fn != NULL, NULL);
2053
2054 e_table = g_object_new (E_TYPE_TABLE, NULL);
2055
2056 e_table = e_table_construct_from_spec_file (e_table, etm, ete, spec_fn, state_fn);
2057
2058 return GTK_WIDGET (e_table);
2059 }
2060
2061 /**
2062 * e_table_set_cursor_row:
2063 * @e_table: The #ETable to set the cursor row of
2064 * @row: The row number
2065 *
2066 * Sets the cursor row and the selection to the given row number.
2067 **/
2068 void
2069 e_table_set_cursor_row (ETable *e_table,
2070 gint row)
2071 {
2072 g_return_if_fail (E_IS_TABLE (e_table));
2073 g_return_if_fail (row >= 0);
2074
2075 g_object_set (
2076 e_table->selection,
2077 "cursor_row", row,
2078 NULL);
2079 }
2080
2081 /**
2082 * e_table_get_cursor_row:
2083 * @e_table: The #ETable to query
2084 *
2085 * Calculates the cursor row. -1 means that we don't have a cursor.
2086 *
2087 * Return value:
2088 * Cursor row
2089 **/
2090 gint
2091 e_table_get_cursor_row (ETable *e_table)
2092 {
2093 gint row;
2094 g_return_val_if_fail (E_IS_TABLE (e_table), -1);
2095
2096 g_object_get (
2097 e_table->selection,
2098 "cursor_row", &row,
2099 NULL);
2100 return row;
2101 }
2102
2103 /**
2104 * e_table_selected_row_foreach:
2105 * @e_table: The #ETable to act on
2106 * @callback: The callback function to call
2107 * @closure: The value passed to the callback's closure argument
2108 *
2109 * Calls the given @callback function once for every selected row.
2110 *
2111 * If you change the selection or delete or add rows to the table
2112 * during these callbacks, problems can occur. A standard thing to do
2113 * is to create a list of rows or objects the function is called upon
2114 * and then act upon that list. (In inverse order if it's rows.)
2115 **/
2116 void
2117 e_table_selected_row_foreach (ETable *e_table,
2118 EForeachFunc callback,
2119 gpointer closure)
2120 {
2121 g_return_if_fail (E_IS_TABLE (e_table));
2122
2123 e_selection_model_foreach (E_SELECTION_MODEL (e_table->selection),
2124 callback,
2125 closure);
2126 }
2127
2128 /**
2129 * e_table_selected_count:
2130 * @e_table: The #ETable to query
2131 *
2132 * Counts the number of selected rows.
2133 *
2134 * Return value:
2135 * The number of rows selected.
2136 **/
2137 gint
2138 e_table_selected_count (ETable *e_table)
2139 {
2140 g_return_val_if_fail (E_IS_TABLE (e_table), -1);
2141
2142 return e_selection_model_selected_count (E_SELECTION_MODEL (e_table->selection));
2143 }
2144
2145 /**
2146 * e_table_select_all:
2147 * @table: The #ETable to modify
2148 *
2149 * Selects all the rows in @table.
2150 **/
2151 void
2152 e_table_select_all (ETable *table)
2153 {
2154 g_return_if_fail (E_IS_TABLE (table));
2155
2156 e_selection_model_select_all (E_SELECTION_MODEL (table->selection));
2157 }
2158
2159 /**
2160 * e_table_invert_selection:
2161 * @table: The #ETable to modify
2162 *
2163 * Inverts the selection in @table.
2164 **/
2165 void
2166 e_table_invert_selection (ETable *table)
2167 {
2168 g_return_if_fail (E_IS_TABLE (table));
2169
2170 e_selection_model_invert_selection (E_SELECTION_MODEL (table->selection));
2171 }
2172
2173 /**
2174 * e_table_get_printable:
2175 * @e_table: #ETable to query
2176 *
2177 * Used for printing your #ETable.
2178 *
2179 * Return value:
2180 * The #EPrintable to print.
2181 **/
2182 EPrintable *
2183 e_table_get_printable (ETable *e_table)
2184 {
2185 g_return_val_if_fail (E_IS_TABLE (e_table), NULL);
2186
2187 return e_table_group_get_printable (e_table->group);
2188 }
2189
2190 /**
2191 * e_table_right_click_up:
2192 * @table: The #ETable to modify.
2193 *
2194 * Call this function when you're done handling the right click if you
2195 * return TRUE from the "right_click" signal.
2196 **/
2197 void
2198 e_table_right_click_up (ETable *table)
2199 {
2200 e_selection_model_right_click_up (E_SELECTION_MODEL (table->selection));
2201 }
2202
2203 /**
2204 * e_table_commit_click_to_add:
2205 * @table: The #ETable to modify
2206 *
2207 * Commits the current values in the click to add to the table.
2208 **/
2209 void
2210 e_table_commit_click_to_add (ETable *table)
2211 {
2212 et_eti_leave_edit (table);
2213 if (table->click_to_add)
2214 e_table_click_to_add_commit (
2215 E_TABLE_CLICK_TO_ADD (table->click_to_add));
2216 }
2217
2218 static void
2219 et_get_property (GObject *object,
2220 guint property_id,
2221 GValue *value,
2222 GParamSpec *pspec)
2223 {
2224 ETable *etable = E_TABLE (object);
2225
2226 switch (property_id) {
2227 case PROP_MODEL:
2228 g_value_set_object (value, etable->model);
2229 break;
2230 case PROP_UNIFORM_ROW_HEIGHT:
2231 g_value_set_boolean (value, etable->uniform_row_height);
2232 break;
2233 case PROP_ALWAYS_SEARCH:
2234 g_value_set_boolean (value, etable->always_search);
2235 break;
2236 case PROP_USE_CLICK_TO_ADD:
2237 g_value_set_boolean (value, etable->use_click_to_add);
2238 break;
2239 case PROP_HADJUSTMENT:
2240 if (etable->table_canvas)
2241 g_object_get_property (
2242 G_OBJECT (etable->table_canvas),
2243 "hadjustment", value);
2244 else
2245 g_value_set_object (value, NULL);
2246 break;
2247 case PROP_VADJUSTMENT:
2248 if (etable->table_canvas)
2249 g_object_get_property (
2250 G_OBJECT (etable->table_canvas),
2251 "vadjustment", value);
2252 else
2253 g_value_set_object (value, NULL);
2254 break;
2255 case PROP_HSCROLL_POLICY:
2256 if (etable->table_canvas)
2257 g_object_get_property (
2258 G_OBJECT (etable->table_canvas),
2259 "hscroll-policy", value);
2260 else
2261 g_value_set_enum (value, 0);
2262 break;
2263 case PROP_VSCROLL_POLICY:
2264 if (etable->table_canvas)
2265 g_object_get_property (
2266 G_OBJECT (etable->table_canvas),
2267 "vscroll-policy", value);
2268 else
2269 g_value_set_enum (value, 0);
2270 break;
2271 default:
2272 break;
2273 }
2274 }
2275
2276 typedef struct {
2277 gchar *arg;
2278 gboolean setting;
2279 } bool_closure;
2280
2281 static void
2282 et_set_property (GObject *object,
2283 guint property_id,
2284 const GValue *value,
2285 GParamSpec *pspec)
2286 {
2287 ETable *etable = E_TABLE (object);
2288
2289 switch (property_id) {
2290 case PROP_LENGTH_THRESHOLD:
2291 etable->length_threshold = g_value_get_int (value);
2292 if (etable->group) {
2293 gnome_canvas_item_set (
2294 GNOME_CANVAS_ITEM (etable->group),
2295 "length_threshold",
2296 etable->length_threshold,
2297 NULL);
2298 }
2299 break;
2300 case PROP_UNIFORM_ROW_HEIGHT:
2301 etable->uniform_row_height = g_value_get_boolean (value);
2302 if (etable->group) {
2303 gnome_canvas_item_set (
2304 GNOME_CANVAS_ITEM (etable->group),
2305 "uniform_row_height",
2306 etable->uniform_row_height,
2307 NULL);
2308 }
2309 break;
2310 case PROP_ALWAYS_SEARCH:
2311 if (etable->always_search == g_value_get_boolean (value))
2312 return;
2313
2314 etable->always_search = g_value_get_boolean (value);
2315 clear_current_search_col (etable);
2316 break;
2317 case PROP_USE_CLICK_TO_ADD:
2318 if (etable->use_click_to_add == g_value_get_boolean (value))
2319 return;
2320
2321 etable->use_click_to_add = g_value_get_boolean (value);
2322 clear_current_search_col (etable);
2323
2324 if (etable->use_click_to_add) {
2325 etable->click_to_add = gnome_canvas_item_new (
2326 GNOME_CANVAS_GROUP (etable->canvas_vbox),
2327 e_table_click_to_add_get_type (),
2328 "header", etable->header,
2329 "model", etable->model,
2330 "message", etable->click_to_add_message,
2331 NULL);
2332
2333 if (etable->use_click_to_add_end)
2334 e_canvas_vbox_add_item (
2335 E_CANVAS_VBOX (etable->canvas_vbox),
2336 etable->click_to_add);
2337 else
2338 e_canvas_vbox_add_item_start (
2339 E_CANVAS_VBOX (etable->canvas_vbox),
2340 etable->click_to_add);
2341
2342 g_signal_connect (
2343 etable->click_to_add, "cursor_change",
2344 G_CALLBACK (click_to_add_cursor_change),
2345 etable);
2346 } else {
2347 g_object_run_dispose (G_OBJECT (etable->click_to_add));
2348 etable->click_to_add = NULL;
2349 }
2350 break;
2351 case PROP_HADJUSTMENT:
2352 if (etable->table_canvas)
2353 g_object_set_property (
2354 G_OBJECT (etable->table_canvas),
2355 "hadjustment", value);
2356 break;
2357 case PROP_VADJUSTMENT:
2358 if (etable->table_canvas)
2359 g_object_set_property (
2360 G_OBJECT (etable->table_canvas),
2361 "vadjustment", value);
2362 break;
2363 case PROP_HSCROLL_POLICY:
2364 if (etable->table_canvas)
2365 g_object_set_property (
2366 G_OBJECT (etable->table_canvas),
2367 "hscroll-policy", value);
2368 break;
2369 case PROP_VSCROLL_POLICY:
2370 if (etable->table_canvas)
2371 g_object_set_property (
2372 G_OBJECT (etable->table_canvas),
2373 "vscroll-policy", value);
2374 break;
2375 }
2376 }
2377
2378 /**
2379 * e_table_get_next_row:
2380 * @e_table: The #ETable to query
2381 * @model_row: The model row to go from
2382 *
2383 * This function is used when your table is sorted, but you're using
2384 * model row numbers. It returns the next row in sorted order as a model row.
2385 *
2386 * Return value:
2387 * The model row number.
2388 **/
2389 gint
2390 e_table_get_next_row (ETable *e_table,
2391 gint model_row)
2392 {
2393 g_return_val_if_fail (E_IS_TABLE (e_table), -1);
2394
2395 if (e_table->sorter) {
2396 gint i;
2397 i = e_sorter_model_to_sorted (E_SORTER (e_table->sorter), model_row);
2398 i++;
2399 if (i < e_table_model_row_count (e_table->model)) {
2400 return e_sorter_sorted_to_model (E_SORTER (e_table->sorter), i);
2401 } else
2402 return -1;
2403 } else
2404 if (model_row < e_table_model_row_count (e_table->model) - 1)
2405 return model_row + 1;
2406 else
2407 return -1;
2408 }
2409
2410 /**
2411 * e_table_get_prev_row:
2412 * @e_table: The #ETable to query
2413 * @model_row: The model row to go from
2414 *
2415 * This function is used when your table is sorted, but you're using
2416 * model row numbers. It returns the previous row in sorted order as
2417 * a model row.
2418 *
2419 * Return value:
2420 * The model row number.
2421 **/
2422 gint
2423 e_table_get_prev_row (ETable *e_table,
2424 gint model_row)
2425 {
2426 g_return_val_if_fail (E_IS_TABLE (e_table), -1);
2427
2428 if (e_table->sorter) {
2429 gint i;
2430 i = e_sorter_model_to_sorted (E_SORTER (e_table->sorter), model_row);
2431 i--;
2432 if (i >= 0)
2433 return e_sorter_sorted_to_model (E_SORTER (e_table->sorter), i);
2434 else
2435 return -1;
2436 } else
2437 return model_row - 1;
2438 }
2439
2440 /**
2441 * e_table_model_to_view_row:
2442 * @e_table: The #ETable to query
2443 * @model_row: The model row number
2444 *
2445 * Turns a model row into a view row.
2446 *
2447 * Return value:
2448 * The view row number.
2449 **/
2450 gint
2451 e_table_model_to_view_row (ETable *e_table,
2452 gint model_row)
2453 {
2454 g_return_val_if_fail (E_IS_TABLE (e_table), -1);
2455
2456 if (e_table->sorter)
2457 return e_sorter_model_to_sorted (E_SORTER (e_table->sorter), model_row);
2458 else
2459 return model_row;
2460 }
2461
2462 /**
2463 * e_table_view_to_model_row:
2464 * @e_table: The #ETable to query
2465 * @view_row: The view row number
2466 *
2467 * Turns a view row into a model row.
2468 *
2469 * Return value:
2470 * The model row number.
2471 **/
2472 gint
2473 e_table_view_to_model_row (ETable *e_table,
2474 gint view_row)
2475 {
2476 g_return_val_if_fail (E_IS_TABLE (e_table), -1);
2477
2478 if (e_table->sorter)
2479 return e_sorter_sorted_to_model (E_SORTER (e_table->sorter), view_row);
2480 else
2481 return view_row;
2482 }
2483
2484 /**
2485 * e_table_get_cell_at:
2486 * @table: An #ETable widget
2487 * @x: X coordinate for the pixel
2488 * @y: Y coordinate for the pixel
2489 * @row_return: Pointer to return the row value
2490 * @col_return: Pointer to return the column value
2491 *
2492 * Return the row and column for the cell in which the pixel at (@x, @y) is
2493 * contained.
2494 **/
2495 void
2496 e_table_get_cell_at (ETable *table,
2497 gint x,
2498 gint y,
2499 gint *row_return,
2500 gint *col_return)
2501 {
2502 GtkAdjustment *adjustment;
2503 GtkScrollable *scrollable;
2504
2505 g_return_if_fail (E_IS_TABLE (table));
2506 g_return_if_fail (row_return != NULL);
2507 g_return_if_fail (col_return != NULL);
2508
2509 /* FIXME it would be nice if it could handle a NULL row_return or
2510 * col_return gracefully. */
2511
2512 scrollable = GTK_SCROLLABLE (table->table_canvas);
2513
2514 adjustment = gtk_scrollable_get_hadjustment (scrollable);
2515 x += gtk_adjustment_get_value (adjustment);
2516
2517 adjustment = gtk_scrollable_get_vadjustment (scrollable);
2518 y += gtk_adjustment_get_value (adjustment);
2519
2520 e_table_group_compute_location (
2521 table->group, &x, &y, row_return, col_return);
2522 }
2523
2524 /**
2525 * e_table_get_cell_geometry:
2526 * @table: The #ETable.
2527 * @row: The row to get the geometry of.
2528 * @col: The col to get the geometry of.
2529 * @x_return: Returns the x coordinate of the upper left hand corner
2530 * of the cell with respect to the widget.
2531 * @y_return: Returns the y coordinate of the upper left hand corner
2532 * of the cell with respect to the widget.
2533 * @width_return: Returns the width of the cell.
2534 * @height_return: Returns the height of the cell.
2535 *
2536 * Returns the x, y, width, and height of the given cell. These can
2537 * all be #NULL and they just won't be set.
2538 **/
2539 void
2540 e_table_get_cell_geometry (ETable *table,
2541 gint row,
2542 gint col,
2543 gint *x_return,
2544 gint *y_return,
2545 gint *width_return,
2546 gint *height_return)
2547 {
2548 GtkAllocation allocation;
2549 GtkAdjustment *adjustment;
2550 GtkScrollable *scrollable;
2551
2552 g_return_if_fail (E_IS_TABLE (table));
2553
2554 scrollable = GTK_SCROLLABLE (table->table_canvas);
2555
2556 e_table_group_get_cell_geometry (
2557 table->group, &row, &col, x_return, y_return,
2558 width_return, height_return);
2559
2560 if (x_return && table->table_canvas) {
2561 adjustment = gtk_scrollable_get_hadjustment (scrollable);
2562 (*x_return) -= gtk_adjustment_get_value (adjustment);
2563 }
2564
2565 if (y_return) {
2566 if (table->table_canvas) {
2567 adjustment = gtk_scrollable_get_vadjustment (scrollable);
2568 (*y_return) -= gtk_adjustment_get_value (adjustment);
2569 }
2570
2571 if (table->header_canvas) {
2572 gtk_widget_get_allocation (
2573 GTK_WIDGET (table->header_canvas),
2574 &allocation);
2575 (*y_return) += allocation.height;
2576 }
2577 }
2578 }
2579
2580 /**
2581 * e_table_get_mouse_over_cell:
2582 *
2583 * Similar to e_table_get_cell_at, only here we check
2584 * based on the mouse motion information in the group.
2585 **/
2586 void
2587 e_table_get_mouse_over_cell (ETable *table,
2588 gint *row,
2589 gint *col)
2590 {
2591 g_return_if_fail (E_IS_TABLE (table));
2592
2593 if (!table->group)
2594 return;
2595
2596 e_table_group_get_mouse_over (table->group, row, col);
2597 }
2598
2599 /**
2600 * e_table_get_selection_model:
2601 * @table: The #ETable to query
2602 *
2603 * Returns the table's #ESelectionModel in case you want to access it
2604 * directly.
2605 *
2606 * Return value:
2607 * The #ESelectionModel.
2608 **/
2609 ESelectionModel *
2610 e_table_get_selection_model (ETable *table)
2611 {
2612 g_return_val_if_fail (E_IS_TABLE (table), NULL);
2613
2614 return E_SELECTION_MODEL (table->selection);
2615 }
2616
2617 struct _ETableDragSourceSite
2618 {
2619 GdkModifierType start_button_mask;
2620 GtkTargetList *target_list; /* Targets for drag data */
2621 GdkDragAction actions; /* Possible actions */
2622 GdkPixbuf *pixbuf; /* Icon for drag data */
2623
2624 /* Stored button press information to detect drag beginning */
2625 gint state;
2626 gint x, y;
2627 gint row, col;
2628 };
2629
2630 typedef enum
2631 {
2632 GTK_DRAG_STATUS_DRAG,
2633 GTK_DRAG_STATUS_WAIT,
2634 GTK_DRAG_STATUS_DROP
2635 } GtkDragStatus;
2636
2637 typedef struct _GtkDragDestInfo GtkDragDestInfo;
2638 typedef struct _GtkDragSourceInfo GtkDragSourceInfo;
2639
2640 struct _GtkDragDestInfo
2641 {
2642 GtkWidget *widget; /* Widget in which drag is in */
2643 GdkDragContext *context; /* Drag context */
2644 GtkDragSourceInfo *proxy_source; /* Set if this is a proxy drag */
2645 GtkSelectionData *proxy_data; /* Set while retrieving proxied data */
2646 guint dropped : 1; /* Set after we receive a drop */
2647 guint32 proxy_drop_time; /* Timestamp for proxied drop */
2648 guint proxy_drop_wait : 1; /* Set if we are waiting for a
2649 * status reply before sending
2650 * a proxied drop on.
2651 */
2652 gint drop_x, drop_y; /* Position of drop */
2653 };
2654
2655 struct _GtkDragSourceInfo
2656 {
2657 GtkWidget *widget;
2658 GtkTargetList *target_list; /* Targets for drag data */
2659 GdkDragAction possible_actions; /* Actions allowed by source */
2660 GdkDragContext *context; /* drag context */
2661 GtkWidget *icon_window; /* Window for drag */
2662 GtkWidget *ipc_widget; /* GtkInvisible for grab, message passing */
2663 GdkCursor *cursor; /* Cursor for drag */
2664 gint hot_x, hot_y; /* Hot spot for drag */
2665 gint button; /* mouse button starting drag */
2666
2667 GtkDragStatus status; /* drag status */
2668 GdkEvent *last_event; /* motion event waiting for response */
2669
2670 gint start_x, start_y; /* Initial position */
2671 gint cur_x, cur_y; /* Current Position */
2672
2673 GList *selections; /* selections we've claimed */
2674
2675 GtkDragDestInfo *proxy_dest; /* Set if this is a proxy drag */
2676
2677 guint drop_timeout; /* Timeout for aborting drop */
2678 guint destroy_icon : 1; /* If true, destroy icon_window
2679 */
2680 };
2681
2682 /* Drag & drop stuff. */
2683 /* Target */
2684
2685 /**
2686 * e_table_drag_get_data:
2687 * @table:
2688 * @row:
2689 * @col:
2690 * @context:
2691 * @target:
2692 * @time:
2693 *
2694 *
2695 **/
2696 void
2697 e_table_drag_get_data (ETable *table,
2698 gint row,
2699 gint col,
2700 GdkDragContext *context,
2701 GdkAtom target,
2702 guint32 time)
2703 {
2704 g_return_if_fail (E_IS_TABLE (table));
2705
2706 gtk_drag_get_data (
2707 GTK_WIDGET (table),
2708 context,
2709 target,
2710 time);
2711 }
2712
2713 /**
2714 * e_table_drag_highlight:
2715 * @table: The #ETable to highlight
2716 * @row: The row number of the cell to highlight
2717 * @col: The column number of the cell to highlight
2718 *
2719 * Set col to -1 to highlight the entire row. If row is -1, this is
2720 * identical to e_table_drag_unhighlight().
2721 **/
2722 void
2723 e_table_drag_highlight (ETable *table,
2724 gint row,
2725 gint col)
2726 {
2727 GtkAllocation allocation;
2728 GtkAdjustment *adjustment;
2729 GtkScrollable *scrollable;
2730 GtkStyle *style;
2731
2732 g_return_if_fail (E_IS_TABLE (table));
2733
2734 scrollable = GTK_SCROLLABLE (table->table_canvas);
2735 style = gtk_widget_get_style (GTK_WIDGET (table));
2736 gtk_widget_get_allocation (GTK_WIDGET (scrollable), &allocation);
2737
2738 if (row != -1) {
2739 gint x, y, width, height;
2740 if (col == -1) {
2741 e_table_get_cell_geometry (table, row, 0, &x, &y, &width, &height);
2742 x = 0;
2743 width = allocation.width;
2744 } else {
2745 e_table_get_cell_geometry (table, row, col, &x, &y, &width, &height);
2746 adjustment = gtk_scrollable_get_hadjustment (scrollable);
2747 x += gtk_adjustment_get_value (adjustment);
(emitted by clang-analyzer)TODO: a detailed trace is available in the data model (not yet rendered in this report)
(emitted by clang-analyzer)TODO: a detailed trace is available in the data model (not yet rendered in this report)
2748 }
2749
2750 adjustment = gtk_scrollable_get_vadjustment (scrollable);
2751 y += gtk_adjustment_get_value (adjustment);
(emitted by clang-analyzer)TODO: a detailed trace is available in the data model (not yet rendered in this report)
(emitted by clang-analyzer)TODO: a detailed trace is available in the data model (not yet rendered in this report)
2752
2753 if (table->drop_highlight == NULL) {
2754 table->drop_highlight = gnome_canvas_item_new (
2755 gnome_canvas_root (table->table_canvas),
2756 gnome_canvas_rect_get_type (),
2757 "fill_color", NULL,
2758 "outline_color_gdk", &style->fg[GTK_STATE_NORMAL],
2759 NULL);
2760 }
2761 gnome_canvas_item_set (
2762 table->drop_highlight,
2763 "x1", (gdouble) x,
2764 "x2", (gdouble) x + width - 1,
2765 "y1", (gdouble) y,
2766 "y2", (gdouble) y + height - 1,
2767 NULL);
2768 } else {
2769 if (table->drop_highlight) {
2770 g_object_run_dispose (G_OBJECT (table->drop_highlight));
2771 table->drop_highlight = NULL;
2772 }
2773 }
2774 }
2775
2776 /**
2777 * e_table_drag_unhighlight:
2778 * @table: The #ETable to unhighlight
2779 *
2780 * Removes the highlight from an #ETable.
2781 **/
2782 void
2783 e_table_drag_unhighlight (ETable *table)
2784 {
2785 g_return_if_fail (E_IS_TABLE (table));
2786
2787 if (table->drop_highlight) {
2788 g_object_run_dispose (G_OBJECT (table->drop_highlight));
2789 table->drop_highlight = NULL;
2790 }
2791 }
2792
2793 void
2794 e_table_drag_dest_set (ETable *table,
2795 GtkDestDefaults flags,
2796 const GtkTargetEntry *targets,
2797 gint n_targets,
2798 GdkDragAction actions)
2799 {
2800 g_return_if_fail (E_IS_TABLE (table));
2801
2802 gtk_drag_dest_set (
2803 GTK_WIDGET (table), flags, targets, n_targets, actions);
2804 }
2805
2806 void
2807 e_table_drag_dest_set_proxy (ETable *table,
2808 GdkWindow *proxy_window,
2809 GdkDragProtocol protocol,
2810 gboolean use_coordinates)
2811 {
2812 g_return_if_fail (E_IS_TABLE (table));
2813
2814 gtk_drag_dest_set_proxy (
2815 GTK_WIDGET (table), proxy_window, protocol, use_coordinates);
2816 }
2817
2818 /*
2819 * There probably should be functions for setting the targets
2820 * as a GtkTargetList
2821 */
2822
2823 void
2824 e_table_drag_dest_unset (GtkWidget *widget)
2825 {
2826 g_return_if_fail (E_IS_TABLE (widget));
2827
2828 gtk_drag_dest_unset (widget);
2829 }
2830
2831 /* Source side */
2832
2833 static gint
2834 et_real_start_drag (ETable *table,
2835 gint row,
2836 gint col,
2837 GdkEvent *event)
2838 {
2839 GtkDragSourceInfo *info;
2840 GdkDragContext *context;
2841 ETableDragSourceSite *site;
2842
2843 if (table->do_drag) {
2844 site = table->site;
2845
2846 site->state = 0;
2847 context = e_table_drag_begin (
2848 table, row, col,
2849 site->target_list,
2850 site->actions,
2851 1, event);
2852
2853 if (context) {
2854 info = g_dataset_get_data (context, "gtk-info");
2855
2856 if (info && !info->icon_window) {
2857 if (site->pixbuf)
2858 gtk_drag_set_icon_pixbuf (
2859 context,
2860 site->pixbuf,
2861 -2, -2);
2862 else
2863 gtk_drag_set_icon_default (context);
2864 }
2865 }
2866 return TRUE;
2867 }
2868 return FALSE;
2869 }
2870
2871 /**
2872 * e_table_drag_source_set:
2873 * @table: The #ETable to set up as a drag site
2874 * @start_button_mask: Mask of allowed buttons to start drag
2875 * @targets: Table of targets for this source
2876 * @n_targets: Number of targets in @targets
2877 * @actions: Actions allowed for this source
2878 *
2879 * Registers this table as a drag site, and possibly adds default behaviors.
2880 **/
2881 void
2882 e_table_drag_source_set (ETable *table,
2883 GdkModifierType start_button_mask,
2884 const GtkTargetEntry *targets,
2885 gint n_targets,
2886 GdkDragAction actions)
2887 {
2888 ETableDragSourceSite *site;
2889 GtkWidget *canvas;
2890
2891 g_return_if_fail (E_IS_TABLE (table));
2892
2893 canvas = GTK_WIDGET (table->table_canvas);
2894 site = table->site;
2895
2896 gtk_widget_add_events (
2897 canvas,
2898 gtk_widget_get_events (canvas) |
2899 GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK |
2900 GDK_BUTTON_MOTION_MASK | GDK_STRUCTURE_MASK);
2901
2902 table->do_drag = TRUE;
2903
2904 if (site) {
2905 if (site->target_list)
2906 gtk_target_list_unref (site->target_list);
2907 } else {
2908 site = g_new0 (ETableDragSourceSite, 1);
2909 table->site = site;
2910 }
2911
2912 site->start_button_mask = start_button_mask;
2913
2914 if (targets)
2915 site->target_list = gtk_target_list_new (targets, n_targets);
2916 else
2917 site->target_list = NULL;
2918
2919 site->actions = actions;
2920 }
2921
2922 /**
2923 * e_table_drag_source_unset:
2924 * @table: The #ETable to un set up as a drag site
2925 *
2926 * Unregisters this #ETable as a drag site.
2927 **/
2928 void
2929 e_table_drag_source_unset (ETable *table)
2930 {
2931 ETableDragSourceSite *site;
2932
2933 g_return_if_fail (E_IS_TABLE (table));
2934
2935 site = table->site;
2936
2937 if (site) {
2938 if (site->target_list)
2939 gtk_target_list_unref (site->target_list);
2940 g_free (site);
2941 table->site = NULL;
2942 }
2943 table->do_drag = FALSE;
2944 }
2945
2946 /* There probably should be functions for setting the targets
2947 * as a GtkTargetList
2948 */
2949
2950 /**
2951 * e_table_drag_begin:
2952 * @table: The #ETable to drag from
2953 * @row: The row number of the cell
2954 * @col: The col number of the cell
2955 * @targets: The list of targets supported by the drag
2956 * @actions: The available actions supported by the drag
2957 * @button: The button held down for the drag
2958 * @event: The event that initiated the drag
2959 *
2960 * Start a drag from this cell.
2961 *
2962 * Return value:
2963 * The drag context.
2964 **/
2965 GdkDragContext *
2966 e_table_drag_begin (ETable *table,
2967 gint row,
2968 gint col,
2969 GtkTargetList *targets,
2970 GdkDragAction actions,
2971 gint button,
2972 GdkEvent *event)
2973 {
2974 g_return_val_if_fail (E_IS_TABLE (table), NULL);
2975
2976 table->drag_row = row;
2977 table->drag_col = col;
2978
2979 return gtk_drag_begin (
2980 GTK_WIDGET (table), targets, actions, button, event);
2981 }
2982
2983 static void
2984 et_drag_begin (GtkWidget *widget,
2985 GdkDragContext *context,
2986 ETable *et)
2987 {
2988 g_signal_emit (
2989 et, et_signals[TABLE_DRAG_BEGIN], 0,
2990 et->drag_row, et->drag_col, context);
2991 }
2992
2993 static void
2994 et_drag_end (GtkWidget *widget,
2995 GdkDragContext *context,
2996 ETable *et)
2997 {
2998 g_signal_emit (
2999 et, et_signals[TABLE_DRAG_END], 0,
3000 et->drag_row, et->drag_col, context);
3001 }
3002
3003 static void
3004 et_drag_data_get (GtkWidget *widget,
3005 GdkDragContext *context,
3006 GtkSelectionData *selection_data,
3007 guint info,
3008 guint time,
3009 ETable *et)
3010 {
3011 g_signal_emit (
3012 et, et_signals[TABLE_DRAG_DATA_GET], 0,
3013 et->drag_row, et->drag_col, context, selection_data,
3014 info, time);
3015 }
3016
3017 static void
3018 et_drag_data_delete (GtkWidget *widget,
3019 GdkDragContext *context,
3020 ETable *et)
3021 {
3022 g_signal_emit (
3023 et, et_signals[TABLE_DRAG_DATA_DELETE], 0,
3024 et->drag_row, et->drag_col, context);
3025 }
3026
3027 static gboolean
3028 do_drag_motion (ETable *et,
3029 GdkDragContext *context,
3030 gint x,
3031 gint y,
3032 guint time)
3033 {
3034 gboolean ret_val;
3035 gint row = -1, col = -1;
3036
3037 e_table_get_cell_at (et, x, y, &row, &col);
3038
3039 if (row != et->drop_row && col != et->drop_row) {
3040 g_signal_emit (
3041 et, et_signals[TABLE_DRAG_LEAVE], 0,
3042 et->drop_row, et->drop_col, context, time);
3043 }
3044
3045 et->drop_row = row;
3046 et->drop_col = col;
3047
3048 g_signal_emit (
3049 et, et_signals[TABLE_DRAG_MOTION], 0,
3050 et->drop_row, et->drop_col, context, x, y, time, &ret_val);
3051
3052 return ret_val;
3053 }
3054
3055 static gboolean
3056 scroll_timeout (gpointer data)
3057 {
3058 ETable *et = data;
3059 gint dx = 0, dy = 0;
3060 GtkAdjustment *adjustment;
3061 GtkScrollable *scrollable;
3062 gdouble old_h_value;
3063 gdouble new_h_value;
3064 gdouble old_v_value;
3065 gdouble new_v_value;
3066 gdouble page_size;
3067 gdouble lower;
3068 gdouble upper;
3069
3070 if (et->scroll_direction & ET_SCROLL_DOWN)
3071 dy += 20;
3072 if (et->scroll_direction & ET_SCROLL_UP)
3073 dy -= 20;
3074
3075 if (et->scroll_direction & ET_SCROLL_RIGHT)
3076 dx += 20;
3077 if (et->scroll_direction & ET_SCROLL_LEFT)
3078 dx -= 20;
3079
3080 scrollable = GTK_SCROLLABLE (et->table_canvas);
3081
3082 adjustment = gtk_scrollable_get_hadjustment (scrollable);
3083
3084 lower = gtk_adjustment_get_lower (adjustment);
3085 upper = gtk_adjustment_get_upper (adjustment);
3086 page_size = gtk_adjustment_get_page_size (adjustment);
3087
3088 old_h_value = gtk_adjustment_get_value (adjustment);
3089 new_h_value = CLAMP (old_h_value + dx, lower, upper - page_size);
3090
3091 gtk_adjustment_set_value (adjustment, new_h_value);
3092
3093 adjustment = gtk_scrollable_get_vadjustment (scrollable);
3094
3095 lower = gtk_adjustment_get_lower (adjustment);
3096 upper = gtk_adjustment_get_upper (adjustment);
3097 page_size = gtk_adjustment_get_page_size (adjustment);
3098
3099 old_v_value = gtk_adjustment_get_value (adjustment);
3100 new_v_value = CLAMP (old_v_value + dy, lower, upper - page_size);
3101
3102 gtk_adjustment_set_value (adjustment, new_v_value);
3103
3104 if (new_h_value != old_h_value || new_v_value != old_v_value)
3105 do_drag_motion (
3106 et,
3107 et->last_drop_context,
3108 et->last_drop_x,
3109 et->last_drop_y,
3110 et->last_drop_time);
3111
3112 return TRUE;
3113 }
3114
3115 static void
3116 scroll_on (ETable *et,
3117 guint scroll_direction)
3118 {
3119 if (et->scroll_idle_id == 0 || scroll_direction != et->scroll_direction) {
3120 if (et->scroll_idle_id != 0)
3121 g_source_remove (et->scroll_idle_id);
3122 et->scroll_direction = scroll_direction;
3123 et->scroll_idle_id = g_timeout_add (100, scroll_timeout, et);
3124 }
3125 }
3126
3127 static void
3128 scroll_off (ETable *et)
3129 {
3130 if (et->scroll_idle_id) {
3131 g_source_remove (et->scroll_idle_id);
3132 et->scroll_idle_id = 0;
3133 }
3134 }
3135
3136 static void
3137 context_destroyed (gpointer data)
3138 {
3139 ETable *et = data;
3140 /* if (!G_OBJECT_DESTROYED (et)) */
3141 /* FIXME: */
3142 {
3143 et->last_drop_x = 0;
3144 et->last_drop_y = 0;
3145 et->last_drop_time = 0;
3146 et->last_drop_context = NULL;
3147 scroll_off (et);
3148 }
3149 g_object_unref (et);
3150 }
3151
3152 static void
3153 context_connect (ETable *et,
3154 GdkDragContext *context)
3155 {
3156 if (g_dataset_get_data (context, "e-table") == NULL) {
3157 g_object_ref (et);
3158 g_dataset_set_data_full (context, "e-table", et, context_destroyed);
3159 }
3160 }
3161
3162 static void
3163 et_drag_leave (GtkWidget *widget,
3164 GdkDragContext *context,
3165 guint time,
3166 ETable *et)
3167 {
3168 g_signal_emit (
3169 et, et_signals[TABLE_DRAG_LEAVE], 0,
3170 et->drop_row, et->drop_col, context, time);
3171
3172 et->drop_row = -1;
3173 et->drop_col = -1;
3174
3175 scroll_off (et);
3176 }
3177
3178 static gboolean
3179 et_drag_motion (GtkWidget *widget,
3180 GdkDragContext *context,
3181 gint x,
3182 gint y,
3183 guint time,
3184 ETable *et)
3185 {
3186 GtkAllocation allocation;
3187 gboolean ret_val;
3188 guint direction = 0;
3189
3190 gtk_widget_get_allocation (widget, &allocation);
3191
3192 et->last_drop_x = x;
3193 et->last_drop_y = y;
3194 et->last_drop_time = time;
3195 et->last_drop_context = context;
3196 context_connect (et, context);
3197
3198 ret_val = do_drag_motion (et, context, x, y, time);
3199
3200 if (y < 20)
3201 direction |= ET_SCROLL_UP;
3202 if (y > allocation.height - 20)
3203 direction |= ET_SCROLL_DOWN;
3204 if (x < 20)
3205 direction |= ET_SCROLL_LEFT;
3206 if (x > allocation.width - 20)
3207 direction |= ET_SCROLL_RIGHT;
3208
3209 if (direction != 0)
3210 scroll_on (et, direction);
3211 else
3212 scroll_off (et);
3213
3214 return ret_val;
3215 }
3216
3217 static gboolean
3218 et_drag_drop (GtkWidget *widget,
3219 GdkDragContext *context,
3220 gint x,
3221 gint y,
3222 guint time,
3223 ETable *et)
3224 {
3225 gboolean ret_val;
3226 gint row, col;
3227
3228 e_table_get_cell_at (et, x, y, &row, &col);
3229
3230 if (row != et->drop_row && col != et->drop_row) {
(emitted by clang-analyzer)TODO: a detailed trace is available in the data model (not yet rendered in this report)
(emitted by clang-analyzer)TODO: a detailed trace is available in the data model (not yet rendered in this report)
3231 g_signal_emit (
3232 et, et_signals[TABLE_DRAG_LEAVE], 0,
3233 et->drop_row, et->drop_col, context, time);
3234 g_signal_emit (
3235 et, et_signals[TABLE_DRAG_MOTION], 0,
3236 row, col, context, x, y, time, &ret_val);
3237 }
3238 et->drop_row = row;
3239 et->drop_col = col;
3240 g_signal_emit (
3241 et, et_signals[TABLE_DRAG_DROP], 0,
3242 et->drop_row, et->drop_col, context, x, y, time, &ret_val);
3243 et->drop_row = -1;
3244 et->drop_col = -1;
3245
3246 scroll_off (et);
3247
3248 return ret_val;
3249 }
3250
3251 static void
3252 et_drag_data_received (GtkWidget *widget,
3253 GdkDragContext *context,
3254 gint x,
3255 gint y,
3256 GtkSelectionData *selection_data,
3257 guint info,
3258 guint time,
3259 ETable *et)
3260 {
3261 gint row, col;
3262
3263 e_table_get_cell_at (et, x, y, &row, &col);
3264
3265 g_signal_emit (
(emitted by clang-analyzer)TODO: a detailed trace is available in the data model (not yet rendered in this report)
(emitted by clang-analyzer)TODO: a detailed trace is available in the data model (not yet rendered in this report)
3266 et, et_signals[TABLE_DRAG_DATA_RECEIVED], 0,
3267 row, col, context, x, y, selection_data, info, time);
3268 }
3269
3270 static void
3271 e_table_class_init (ETableClass *class)
3272 {
3273 GObjectClass *object_class;
3274 GtkWidgetClass *widget_class;
3275
3276 object_class = (GObjectClass *) class;
3277 widget_class = (GtkWidgetClass *) class;
3278
3279 object_class->dispose = et_dispose;
3280 object_class->finalize = et_finalize;
3281 object_class->set_property = et_set_property;
3282 object_class->get_property = et_get_property;
3283
3284 widget_class->grab_focus = et_grab_focus;
3285 widget_class->unrealize = et_unrealize;
3286 widget_class->get_preferred_width = et_get_preferred_width;
3287 widget_class->get_preferred_height = et_get_preferred_height;
3288
3289 widget_class->focus = et_focus;
3290
3291 class->cursor_change = NULL;
3292 class->cursor_activated = NULL;
3293 class->selection_change = NULL;
3294 class->double_click = NULL;
3295 class->right_click = NULL;
3296 class->click = NULL;
3297 class->key_press = NULL;
3298 class->start_drag = et_real_start_drag;
3299 class->state_change = NULL;
3300 class->white_space_event = NULL;
3301
3302 class->table_drag_begin = NULL;
3303 class->table_drag_end = NULL;
3304 class->table_drag_data_get = NULL;
3305 class->table_drag_data_delete = NULL;
3306
3307 class->table_drag_leave = NULL;
3308 class->table_drag_motion = NULL;
3309 class->table_drag_drop = NULL;
3310 class->table_drag_data_received = NULL;
3311
3312 et_signals[CURSOR_CHANGE] = g_signal_new (
3313 "cursor_change",
3314 G_OBJECT_CLASS_TYPE (object_class),
3315 G_SIGNAL_RUN_LAST,
3316 G_STRUCT_OFFSET (ETableClass, cursor_change),
3317 NULL, NULL,
3318 g_cclosure_marshal_VOID__INT,
3319 G_TYPE_NONE, 1, G_TYPE_INT);
3320
3321 et_signals[CURSOR_ACTIVATED] = g_signal_new (
3322 "cursor_activated",
3323 G_OBJECT_CLASS_TYPE (object_class),
3324 G_SIGNAL_RUN_LAST,
3325 G_STRUCT_OFFSET (ETableClass, cursor_activated),
3326 NULL, NULL,
3327 g_cclosure_marshal_VOID__INT,
3328 G_TYPE_NONE, 1, G_TYPE_INT);
3329
3330 et_signals[SELECTION_CHANGE] = g_signal_new (
3331 "selection_change",
3332 G_OBJECT_CLASS_TYPE (object_class),
3333 G_SIGNAL_RUN_LAST,
3334 G_STRUCT_OFFSET (ETableClass, selection_change),
3335 NULL, NULL,
3336 g_cclosure_marshal_VOID__VOID,
3337 G_TYPE_NONE, 0);
3338
3339 et_signals[DOUBLE_CLICK] = g_signal_new (
3340 "double_click",
3341 G_OBJECT_CLASS_TYPE (object_class),
3342 G_SIGNAL_RUN_LAST,
3343 G_STRUCT_OFFSET (ETableClass, double_click),
3344 NULL, NULL,
3345 e_marshal_NONE__INT_INT_BOXED,
3346 G_TYPE_NONE, 3,
3347 G_TYPE_INT,
3348 G_TYPE_INT,
3349 GDK_TYPE_EVENT | G_SIGNAL_TYPE_STATIC_SCOPE);
3350
3351 et_signals[RIGHT_CLICK] = g_signal_new (
3352 "right_click",
3353 G_OBJECT_CLASS_TYPE (object_class),
3354 G_SIGNAL_RUN_LAST,
3355 G_STRUCT_OFFSET (ETableClass, right_click),
3356 g_signal_accumulator_true_handled, NULL,
3357 e_marshal_BOOLEAN__INT_INT_BOXED,
3358 G_TYPE_BOOLEAN, 3,
3359 G_TYPE_INT,
3360 G_TYPE_INT,
3361 GDK_TYPE_EVENT | G_SIGNAL_TYPE_STATIC_SCOPE);
3362
3363 et_signals[CLICK] = g_signal_new (
3364 "click",
3365 G_OBJECT_CLASS_TYPE (object_class),
3366 G_SIGNAL_RUN_LAST,
3367 G_STRUCT_OFFSET (ETableClass, click),
3368 g_signal_accumulator_true_handled, NULL,
3369 e_marshal_BOOLEAN__INT_INT_BOXED,
3370 G_TYPE_BOOLEAN, 3,
3371 G_TYPE_INT,
3372 G_TYPE_INT,
3373 GDK_TYPE_EVENT | G_SIGNAL_TYPE_STATIC_SCOPE);
3374
3375 et_signals[KEY_PRESS] = g_signal_new (
3376 "key_press",
3377 G_OBJECT_CLASS_TYPE (object_class),
3378 G_SIGNAL_RUN_LAST,
3379 G_STRUCT_OFFSET (ETableClass, key_press),
3380 g_signal_accumulator_true_handled, NULL,
3381 e_marshal_BOOLEAN__INT_INT_BOXED,
3382 G_TYPE_BOOLEAN, 3,
3383 G_TYPE_INT,
3384 G_TYPE_INT,
3385 GDK_TYPE_EVENT | G_SIGNAL_TYPE_STATIC_SCOPE);
3386
3387 et_signals[START_DRAG] = g_signal_new (
3388 "start_drag",
3389 G_OBJECT_CLASS_TYPE (object_class),
3390 G_SIGNAL_RUN_LAST,
3391 G_STRUCT_OFFSET (ETableClass, start_drag),
3392 g_signal_accumulator_true_handled, NULL,
3393 e_marshal_BOOLEAN__INT_INT_BOXED,
3394 G_TYPE_BOOLEAN, 3,
3395 G_TYPE_INT,
3396 G_TYPE_INT,
3397 GDK_TYPE_EVENT | G_SIGNAL_TYPE_STATIC_SCOPE);
3398
3399 et_signals[STATE_CHANGE] = g_signal_new (
3400 "state_change",
3401 G_OBJECT_CLASS_TYPE (object_class),
3402 G_SIGNAL_RUN_LAST,
3403 G_STRUCT_OFFSET (ETableClass, state_change),
3404 NULL, NULL,
3405 g_cclosure_marshal_VOID__VOID,
3406 G_TYPE_NONE, 0);
3407
3408 et_signals[WHITE_SPACE_EVENT] = g_signal_new (
3409 "white_space_event",
3410 G_OBJECT_CLASS_TYPE (object_class),
3411 G_SIGNAL_RUN_LAST,
3412 G_STRUCT_OFFSET (ETableClass, white_space_event),
3413 g_signal_accumulator_true_handled, NULL,
3414 e_marshal_BOOLEAN__BOXED,
3415 G_TYPE_BOOLEAN, 1,
3416 GDK_TYPE_EVENT | G_SIGNAL_TYPE_STATIC_SCOPE);
3417
3418 et_signals[TABLE_DRAG_BEGIN] = g_signal_new (
3419 "table_drag_begin",
3420 G_OBJECT_CLASS_TYPE (object_class),
3421 G_SIGNAL_RUN_LAST,
3422 G_STRUCT_OFFSET (ETableClass, table_drag_begin),
3423 NULL, NULL,
3424 e_marshal_NONE__INT_INT_OBJECT,
3425 G_TYPE_NONE, 3,
3426 G_TYPE_INT,
3427 G_TYPE_INT,
3428 GDK_TYPE_DRAG_CONTEXT);
3429
3430 et_signals[TABLE_DRAG_END] = g_signal_new (
3431 "table_drag_end",
3432 G_OBJECT_CLASS_TYPE (object_class),
3433 G_SIGNAL_RUN_LAST,
3434 G_STRUCT_OFFSET (ETableClass, table_drag_end),
3435 NULL, NULL,
3436 e_marshal_NONE__INT_INT_OBJECT,
3437 G_TYPE_NONE, 3,
3438 G_TYPE_INT,
3439 G_TYPE_INT,
3440 GDK_TYPE_DRAG_CONTEXT);
3441
3442 et_signals[TABLE_DRAG_DATA_GET] = g_signal_new (
3443 "table_drag_data_get",
3444 G_OBJECT_CLASS_TYPE (object_class),
3445 G_SIGNAL_RUN_LAST,
3446 G_STRUCT_OFFSET (ETableClass, table_drag_data_get),
3447 NULL, NULL,
3448 e_marshal_NONE__INT_INT_OBJECT_BOXED_UINT_UINT,
3449 G_TYPE_NONE, 6,
3450 G_TYPE_INT,
3451 G_TYPE_INT,
3452 GDK_TYPE_DRAG_CONTEXT,
3453 GTK_TYPE_SELECTION_DATA | G_SIGNAL_TYPE_STATIC_SCOPE,
3454 G_TYPE_UINT,
3455 G_TYPE_UINT);
3456
3457 et_signals[TABLE_DRAG_DATA_DELETE] = g_signal_new (
3458 "table_drag_data_delete",
3459 G_OBJECT_CLASS_TYPE (object_class),
3460 G_SIGNAL_RUN_LAST,
3461 G_STRUCT_OFFSET (ETableClass, table_drag_data_delete),
3462 NULL, NULL,
3463 e_marshal_NONE__INT_INT_OBJECT,
3464 G_TYPE_NONE, 3,
3465 G_TYPE_INT,
3466 G_TYPE_INT,
3467 GDK_TYPE_DRAG_CONTEXT);
3468
3469 et_signals[TABLE_DRAG_LEAVE] = g_signal_new (
3470 "table_drag_leave",
3471 G_OBJECT_CLASS_TYPE (object_class),
3472 G_SIGNAL_RUN_LAST,
3473 G_STRUCT_OFFSET (ETableClass, table_drag_leave),
3474 NULL, NULL,
3475 e_marshal_NONE__INT_INT_OBJECT_UINT,
3476 G_TYPE_NONE, 4,
3477 G_TYPE_INT,
3478 G_TYPE_INT,
3479 GDK_TYPE_DRAG_CONTEXT,
3480 G_TYPE_UINT);
3481
3482 et_signals[TABLE_DRAG_MOTION] = g_signal_new (
3483 "table_drag_motion",
3484 G_OBJECT_CLASS_TYPE (object_class),
3485 G_SIGNAL_RUN_LAST,
3486 G_STRUCT_OFFSET (ETableClass, table_drag_motion),
3487 NULL, NULL,
3488 e_marshal_BOOLEAN__INT_INT_OBJECT_INT_INT_UINT,
3489 G_TYPE_BOOLEAN, 6,
3490 G_TYPE_INT,
3491 G_TYPE_INT,
3492 GDK_TYPE_DRAG_CONTEXT,
3493 G_TYPE_INT,
3494 G_TYPE_INT,
3495 G_TYPE_UINT);
3496
3497 et_signals[TABLE_DRAG_DROP] = g_signal_new (
3498 "table_drag_drop",
3499 G_OBJECT_CLASS_TYPE (object_class),
3500 G_SIGNAL_RUN_LAST,
3501 G_STRUCT_OFFSET (ETableClass, table_drag_drop),
3502 NULL, NULL,
3503 e_marshal_BOOLEAN__INT_INT_OBJECT_INT_INT_UINT,
3504 G_TYPE_BOOLEAN, 6,
3505 G_TYPE_INT,
3506 G_TYPE_INT,
3507 GDK_TYPE_DRAG_CONTEXT,
3508 G_TYPE_INT,
3509 G_TYPE_INT,
3510 G_TYPE_UINT);
3511
3512 et_signals[TABLE_DRAG_DATA_RECEIVED] = g_signal_new (
3513 "table_drag_data_received",
3514 G_OBJECT_CLASS_TYPE (object_class),
3515 G_SIGNAL_RUN_LAST,
3516 G_STRUCT_OFFSET (ETableClass, table_drag_data_received),
3517 NULL, NULL,
3518 e_marshal_NONE__INT_INT_OBJECT_INT_INT_BOXED_UINT_UINT,
3519 G_TYPE_NONE, 8,
3520 G_TYPE_INT,
3521 G_TYPE_INT,
3522 GDK_TYPE_DRAG_CONTEXT,
3523 G_TYPE_INT,
3524 G_TYPE_INT,
3525 GTK_TYPE_SELECTION_DATA | G_SIGNAL_TYPE_STATIC_SCOPE,
3526 G_TYPE_UINT,
3527 G_TYPE_UINT);
3528
3529 g_object_class_install_property (
3530 object_class,
3531 PROP_LENGTH_THRESHOLD,
3532 g_param_spec_int (
3533 "length_threshold",
3534 "Length Threshold",
3535 NULL,
3536 0, G_MAXINT, 0,
3537 G_PARAM_WRITABLE));
3538
3539 g_object_class_install_property (
3540 object_class,
3541 PROP_UNIFORM_ROW_HEIGHT,
3542 g_param_spec_boolean (
3543 "uniform_row_height",
3544 "Uniform row height",
3545 NULL,
3546 FALSE,
3547 G_PARAM_READWRITE));
3548
3549 g_object_class_install_property (
3550 object_class,
3551 PROP_ALWAYS_SEARCH,
3552 g_param_spec_boolean (
3553 "always_search",
3554 "Always search",
3555 NULL,
3556 FALSE,
3557 G_PARAM_READWRITE));
3558
3559 g_object_class_install_property (
3560 object_class,
3561 PROP_USE_CLICK_TO_ADD,
3562 g_param_spec_boolean (
3563 "use_click_to_add",
3564 "Use click to add",
3565 NULL,
3566 FALSE,
3567 G_PARAM_READWRITE));
3568
3569 g_object_class_install_property (
3570 object_class,
3571 PROP_MODEL,
3572 g_param_spec_object (
3573 "model",
3574 "Model",
3575 NULL,
3576 E_TYPE_TABLE_MODEL,
3577 G_PARAM_READABLE));
3578
3579 gtk_widget_class_install_style_property (
3580 widget_class,
3581 g_param_spec_int (
3582 "vertical-spacing",
3583 "Vertical Row Spacing",
3584 "Vertical space between rows. "
3585 "It is added to top and to bottom of a row",
3586 0, G_MAXINT, 3,
3587 G_PARAM_READABLE |
3588 G_PARAM_STATIC_STRINGS));
3589
3590 /* Scrollable interface */
3591 g_object_class_override_property (
3592 object_class, PROP_HADJUSTMENT, "hadjustment");
3593 g_object_class_override_property (
3594 object_class, PROP_VADJUSTMENT, "vadjustment");
3595 g_object_class_override_property (
3596 object_class, PROP_HSCROLL_POLICY, "hscroll-policy");
3597 g_object_class_override_property (
3598 object_class, PROP_VSCROLL_POLICY, "vscroll-policy");
3599
3600 gal_a11y_e_table_init ();
3601 }
3602
3603 void
3604 e_table_freeze_state_change (ETable *table)
3605 {
3606 g_return_if_fail (table != NULL);
3607
3608 table->state_change_freeze++;
3609 if (table->state_change_freeze == 1)
3610 table->state_changed = FALSE;
3611
3612 g_return_if_fail (table->state_change_freeze != 0);
3613 }
3614
3615 void
3616 e_table_thaw_state_change (ETable *table)
3617 {
3618 g_return_if_fail (table != NULL);
3619 g_return_if_fail (table->state_change_freeze != 0);
3620
3621 table->state_change_freeze--;
3622 if (table->state_change_freeze == 0 && table->state_changed) {
3623 table->state_changed = FALSE;
3624 e_table_state_change (table);
3625 }
3626 }