src/ui_bookmark.c

   1 /*
   2  * (SLIK) SimpLIstic sKin functions
   3  * (C) 2004 John Ellis
   4  *
   5  * Author: John Ellis
   6  *
   7  * This software is released under the GNU General Public License (GNU GPL).
   8  * Please read the included file COPYING for more information.
   9  * This software comes with no warranty of any kind, use at your own risk!
  10  */
  11
  12 #ifdef HAVE_CONFIG_H
  13 #  include "config.h"
  14 #endif
  15 #include "intl.h"
  16
  17 #include <stdio.h>
  18 #include <stdlib.h>
  19 #include <string.h>
  20
  21 #include <gtk/gtk.h>
  22
  23 #include <gdk/gdkkeysyms.h> /* for key values */
  24
  25 #include "ui_bookmark.h"
  26
  27 #include "ui_fileops.h"
  28 #include "ui_menu.h"
  29 #include "ui_misc.h"
  30 #include "ui_utildlg.h"
  31 #include "ui_tabcomp.h"
  32
  33
  34 /*
  35  *-----------------------------------------------------------------------------
  36  * history lists
  37  *-----------------------------------------------------------------------------
  38  */
  39
  40 #define HISTORY_DEFAULT_KEY_COUNT 16
  41
  42
  43 typedef struct _HistoryData HistoryData;
  44 struct _HistoryData
  45 {
  46         gchar *key;
  47         GList *list;
  48 };
  49
  50 static GList *history_list = NULL;
  51
  52
  53 static gchar *quoted_from_text(const gchar *text)
  54 {
  55         const gchar *ptr;
  56         gint c = 0;
  57         gint l = strlen(text);
  58
  59         if (l == 0) return NULL;
  60
  61         while (c < l && text[c] !='"') c++;
  62         if (text[c] == '"')
  63                 {
  64                 gint e;
  65                 c++;
  66                 ptr = text + c;
  67                 e = c;
  68                 while (e < l && text[e] !='"') e++;
  69                 if (text[e] == '"')
  70                         {
  71                         if (e - c > 0)
  72                                 {
  73                                 return g_strndup(ptr, e - c);
  74                                 }
  75                         }
  76                 }
  77         return NULL;
  78 }
  79
  80 gint history_list_load(const gchar *path)
  81 {
  82         FILE *f;
  83         gchar *key = NULL;
  84         gchar s_buf[1024];
  85         gchar *pathl;
  86
  87         pathl = path_from_utf8(path);
  88         f = fopen(pathl, "r");
  89         g_free(pathl);
  90         if (!f) return FALSE;
  91
  92         /* first line must start with History comment */
  93         if (!fgets(s_buf,1024,f) ||
  94             strncmp(s_buf, "#History", 8) != 0)
  95                 {
  96                 fclose(f);
  97                 return FALSE;
  98                 }
  99
 100         while (fgets(s_buf,1024,f))
 101                 {
 102                 if (s_buf[0]=='#') continue;
 103                 if (s_buf[0]=='[')
 104                         {
 105                         gint c;
 106                         gchar *ptr;
 107
 108                         ptr = s_buf + 1;
 109                         c = 0;
 110                         while(ptr[c] != ']' && ptr[c] != '\n' && ptr[c] != '\0') c++;
 111
 112                         g_free(key);
 113                         key = g_strndup(ptr, c);
 114                         }
 115                 else
 116                         {
 117                         gchar *value;
 118
 119                         value = quoted_from_text(s_buf);
 120                         if (value && key)
 121                                 {
 122                                 history_list_add_to_key(key, value, 0);
 123                                 }
 124                         g_free(value);
 125                         }
 126                 }
 127
 128         fclose(f);
 129
 130         g_free(key);
 131
 132         return TRUE;
 133 }
 134
 135 gint history_list_save(const gchar *path)
 136 {
 137         FILE *f;
 138         GList *list;
 139         gchar *pathl;
 140
 141         pathl = path_from_utf8(path);
 142         f = fopen(pathl, "w");
 143         g_free(pathl);
 144         if (!f)
 145                 {
 146                 gchar *buf;
 147
 148                 buf = g_strdup_printf(_("Unable to write history lists to: %s\n"), path);
 149                 print_term(buf);
 150                 g_free(buf);
 151
 152                 return FALSE;
 153                 }
 154
 155         fprintf(f, "#History lists\n");
 156         fprintf(f, "\n");
 157
 158         list = g_list_last(history_list);
 159         while(list)
 160                 {
 161                 HistoryData *hd;
 162                 GList *work;
 163
 164                 hd = list->data;
 165                 list = list->prev;
 166
 167                 fprintf(f, "[%s]\n", hd->key);
 168
 169                 /* save them inverted (oldest to newest)
 170                  * so that when reading they are added correctly
 171                  */
 172                 work = g_list_last(hd->list);
 173                 while(work)
 174                         {
 175                         fprintf(f, "\"%s\"\n", (gchar *)work->data);
 176                         work = work->prev;
 177                         }
 178                 fprintf(f, "\n");
 179                 }
 180
 181         fprintf(f, "#end\n");
 182
 183         fclose(f);
 184
 185         return TRUE;
 186 }
 187
 188 static void history_list_free(HistoryData *hd)
 189 {
 190         GList *work;
 191
 192         if (!hd) return;
 193
 194         work = hd->list;
 195         while(work)
 196                 {
 197                 g_free(work->data);
 198                 work = work->next;
 199                 }
 200
 201         g_free(hd->key);
 202         g_free(hd);
 203 }
 204
 205 static HistoryData *history_list_find_by_key(const gchar* key)
 206 {
 207         GList *work = history_list;
 208
 209         if (!key) return NULL;
 210
 211         while (work)
 212                 {
 213                 HistoryData *hd = work->data;
 214                 if (strcmp(hd->key, key) == 0) return hd;
 215                 work = work->next;
 216                 }
 217         return NULL;
 218 }
 219
 220 const gchar *history_list_find_last_path_by_key(const gchar* key)
 221 {
 222         HistoryData *hd;
 223
 224         hd = history_list_find_by_key(key);
 225         if (!hd || !hd->list) return NULL;
 226
 227         return hd->list->data;
 228 }
 229
 230 void history_list_free_key(const gchar *key)
 231 {
 232         HistoryData *hd;
 233         hd = history_list_find_by_key(key);
 234         if (!hd) return;
 235
 236         history_list = g_list_remove(history_list, hd);
 237         history_list_free(hd);
 238 }
 239
 240 void history_list_add_to_key(const gchar *key, const gchar *path, gint max)
 241 {
 242         HistoryData *hd;
 243         GList *work;
 244
 245         if (!key || !path) return;
 246
 247         hd = history_list_find_by_key(key);
 248         if (!hd)
 249                 {
 250                 hd = g_new(HistoryData, 1);
 251                 hd->key = g_strdup(key);
 252                 hd->list = NULL;
 253                 history_list = g_list_prepend(history_list, hd);
 254                 }
 255
 256         /* if already in the list, simply move it to the top */
 257         work = hd->list;
 258         while(work)
 259                 {
 260                 gchar *buf = work->data;
 261                 work = work->next;
 262                 if (strcmp(buf, path) == 0)
 263                         {
 264                         hd->list = g_list_remove(hd->list, buf);
 265                         hd->list = g_list_prepend(hd->list, buf);
 266                         return;
 267                         }
 268                 }
 269
 270         hd->list = g_list_prepend(hd->list, g_strdup(path));
 271
 272         if (max == -1) max = HISTORY_DEFAULT_KEY_COUNT;
 273         if (max > 0)
 274                 {
 275                 while(hd->list && g_list_length(hd->list) > max)
 276                         {
 277                         GList *work = g_list_last(hd->list);
 278                         gchar *buf = work->data;
 279                         hd->list = g_list_remove(hd->list, buf);
 280                         g_free(buf);
 281                         }
 282                 }
 283 }
 284
 285 void history_list_item_change(const gchar *key, const gchar *oldpath, const gchar *newpath)
 286 {
 287         HistoryData *hd;
 288         GList *work;
 289
 290         if (!oldpath) return;
 291         hd = history_list_find_by_key(key);
 292         if (!hd) return;
 293
 294         work = hd->list;
 295         while(work)
 296                 {
 297                 gchar *buf = work->data;
 298                 if (strcmp(buf, oldpath) == 0)
 299                         {
 300                         if (newpath)
 301                                 {
 302                                 work->data = g_strdup(newpath);
 303                                 }
 304                         else
 305                                 {
 306                                 hd->list = g_list_remove(hd->list, buf);
 307                                 }
 308                         g_free(buf);
 309                         return;
 310                         }
 311                 work = work->next;
 312                 }
 313 }
 314
 315 void history_list_item_move(const gchar *key, const gchar *path, gint direction)
 316 {
 317         HistoryData *hd;
 318         GList *work;
 319         gint p = 0;
 320
 321         if (!path) return;
 322         hd = history_list_find_by_key(key);
 323         if (!hd) return;
 324
 325         work = hd->list;
 326         while (work)
 327                 {
 328                 gchar *buf = work->data;
 329                 if (strcmp(buf, path) == 0)
 330                         {
 331                         p += direction;
 332                         if (p < 0) return;
 333                         hd->list = g_list_remove(hd->list, buf);
 334                         hd->list = g_list_insert(hd->list, buf, p);
 335                         return;
 336                         }
 337                 work = work->next;
 338                 p++;
 339                 }
 340 }
 341
 342 void history_list_item_remove(const gchar *key, const gchar *path)
 343 {
 344         history_list_item_change(key, path, NULL);
 345 }
 346
 347 GList *history_list_get_by_key(const gchar *key)
 348 {
 349         HistoryData *hd;
 350
 351         hd = history_list_find_by_key(key);
 352         if (!hd) return NULL;
 353
 354         return hd->list;
 355 }
 356
 357 /*
 358  *-----------------------------------------------------------------------------
 359  * bookmarks
 360  *-----------------------------------------------------------------------------
 361  */
 362
 363 #define BOOKMARK_DATA_KEY "bookmarkdata"
 364 #define MARKER_PATH "[path]"
 365 #define MARKER_ICON "[icon]"
 366
 367 typedef struct _BookMarkData BookMarkData;
 368 typedef struct _BookButtonData BookButtonData;
 369 typedef struct _BookPropData BookPropData;
 370
 371 struct _BookMarkData
 372 {
 373         GtkWidget *widget;
 374         GtkWidget *box;
 375         gchar *key;
 376
 377         void (*select_func)(const gchar *path, gpointer data);
 378         gpointer select_data;
 379
 380         gint no_defaults;
 381         gint editable;
 382
 383         BookButtonData *active_button;
 384 };
 385
 386 struct _BookButtonData
 387 {
 388         GtkWidget *button;
 389         GtkWidget *image;
 390         GtkWidget *label;
 391
 392         gchar *key;
 393         gchar *name;
 394         gchar *path;
 395         gchar *icon;
 396         gchar *parent;
 397 };
 398
 399 struct _BookPropData
 400 {
 401         GtkWidget *name_entry;
 402         GtkWidget *path_entry;
 403         GtkWidget *icon_entry;
 404
 405         BookButtonData *bb;
 406 };
 407
 408 enum {
 409         TARGET_URI_LIST,
 410         TARGET_X_URL,
 411         TARGET_TEXT_PLAIN
 412 };
 413
 414 static GtkTargetEntry bookmark_drop_types[] = {
 415         { "text/uri-list", 0, TARGET_URI_LIST },
 416         { "x-url/http",    0, TARGET_X_URL },
 417         { "_NETSCAPE_URL", 0, TARGET_X_URL }
 418 };
 419 #define bookmark_drop_types_n 3
 420
 421 static GtkTargetEntry bookmark_drag_types[] = {
 422         { "text/uri-list", 0, TARGET_URI_LIST },
 423         { "text/plain",    0, TARGET_TEXT_PLAIN }
 424 };
 425 #define bookmark_drag_types_n 2
 426
 427
 428 static GList *bookmark_widget_list = NULL;
 429 static GList *bookmark_default_list = NULL;
 430
 431
 432 static void bookmark_populate_all(const gchar *key);
 433
 434
 435 static BookButtonData *bookmark_from_string(const gchar *text)
 436 {
 437         BookButtonData *b;
 438         const gchar *path_ptr;
 439         const gchar *icon_ptr;
 440
 441         b = g_new0(BookButtonData, 1);
 442
 443         if (!text)
 444                 {
 445                 b->name = g_strdup(_("New Bookmark"));
 446                 b->path = g_strdup(homedir());
 447                 b->key = NULL;
 448                 return b;
 449                 }
 450
 451         b->key = g_strdup(text);
 452
 453         path_ptr = strstr(text, MARKER_PATH);
 454         icon_ptr = strstr(text, MARKER_ICON);
 455
 456         if (path_ptr && icon_ptr && icon_ptr < path_ptr)
 457                 {
 458                 printf("warning, bookmark icon must be after path\n");
 459                 return NULL;
 460                 }
 461
 462         if (path_ptr)
 463                 {
 464                 gint l;
 465
 466                 l = path_ptr - text;
 467                 b->name = g_strndup(text, l);
 468                 path_ptr += strlen(MARKER_PATH);
 469                 if (icon_ptr)
 470                         {
 471                         l = icon_ptr - path_ptr;
 472                         b->path = g_strndup(path_ptr, l);
 473                         }
 474                 else
 475                         {
 476                         b->path = g_strdup(path_ptr);
 477                         }
 478                 }
 479         else
 480                 {
 481                 b->name = g_strdup(text);
 482                 b->path = g_strdup("");
 483                 }
 484
 485         if (icon_ptr)
 486                 {
 487                 icon_ptr += strlen(MARKER_ICON);
 488                 b->icon = g_strdup(icon_ptr);
 489                 }
 490
 491         return b;
 492 }
 493
 494 static void bookmark_free(BookButtonData *b)
 495 {
 496         if (!b) return;
 497
 498         g_free(b->name);
 499         g_free(b->path);
 500         g_free(b->icon);
 501         g_free(b->key);
 502         g_free(b->parent);
 503         g_free(b);
 504 }
 505
 506 static gchar *bookmark_string(const gchar *name, const gchar *path, const gchar *icon)
 507 {
 508         if (!name) name = _("New Bookmark");
 509         if (icon && strncmp(icon, "/", 1) != 0) icon = NULL;
 510
 511         if (icon)
 512                 {
 513                 return g_strdup_printf("%s"MARKER_PATH"%s"MARKER_ICON"%s", name, path, icon);
 514                 }
 515
 516         return g_strdup_printf("%s"MARKER_PATH"%s", name, path);
 517 }
 518
 519 static void bookmark_select_cb(GtkWidget *button, gpointer data)
 520 {
 521         BookMarkData *bm = data;
 522         BookButtonData *b;
 523
 524         b = g_object_get_data(G_OBJECT(button), "bookbuttondata");
 525         if (!b) return;
 526
 527         if (bm->select_func) bm->select_func(b->path, bm->select_data);
 528 }
 529
 530 static void bookmark_edit_destroy_cb(GtkWidget *widget, gpointer data)
 531 {
 532         BookPropData *p = data;
 533
 534         bookmark_free(p->bb);
 535         g_free(p);
 536 }
 537
 538 static void bookmark_edit_cancel_cb(GenericDialog *gd, gpointer data)
 539 {
 540 }
 541
 542 static void bookmark_edit_ok_cb(GenericDialog *gd, gpointer data)
 543 {
 544         BookPropData *p = data;
 545         const gchar *name;
 546         gchar *path;
 547         const gchar *icon;
 548         gchar *new;
 549
 550         name = gtk_entry_get_text(GTK_ENTRY(p->name_entry));
 551         path = remove_trailing_slash(gtk_entry_get_text(GTK_ENTRY(p->path_entry)));
 552         icon = gtk_entry_get_text(GTK_ENTRY(p->icon_entry));
 553
 554         new = bookmark_string(name, path, icon);
 555
 556         if (p->bb->key)
 557                 {
 558                 history_list_item_change(p->bb->parent, p->bb->key, new);
 559                 }
 560         else
 561                 {
 562                 history_list_add_to_key(p->bb->parent, new, 0);
 563                 }
 564
 565         if (path && strlen(path) > 0) tab_completion_append_to_history(p->path_entry, path);
 566         if (icon && strlen(icon) > 0) tab_completion_append_to_history(p->icon_entry, icon);
 567
 568         g_free(path);
 569         g_free(new);
 570
 571         bookmark_populate_all(p->bb->parent);
 572 }
 573
 574 /* simply pass NULL for text to turn this into a 'new bookmark' dialog */
 575
 576 static void bookmark_edit(const gchar *key, const gchar *text, GtkWidget *parent)
 577 {
 578         BookPropData *p;
 579         GenericDialog *gd;
 580         GtkWidget *table;
 581         GtkWidget *label;
 582         const gchar *icon;
 583
 584         if (!key) key = "bookmarks";
 585
 586         p = g_new0(BookPropData, 1);
 587
 588         p->bb = bookmark_from_string(text);
 589         p->bb->parent = g_strdup(key);
 590
 591         gd = generic_dialog_new(_("Edit Bookmark"), PACKAGE, "bookmark_edit",
 592                                 parent, TRUE,
 593                                 bookmark_edit_cancel_cb, p);
 594         g_signal_connect(G_OBJECT(gd->dialog), "destroy",
 595                          G_CALLBACK(bookmark_edit_destroy_cb), p);
 596
 597         generic_dialog_add_message(gd, NULL, _("Edit Bookmark"), NULL);
 598
 599         generic_dialog_add_button(gd, GTK_STOCK_OK, NULL,
 600                                   bookmark_edit_ok_cb, TRUE);
 601
 602         table = pref_table_new(gd->vbox, 3, 2, FALSE, TRUE);
 603         pref_table_label(table, 0, 0, _("Name:"), 1.0);
 604
 605         p->name_entry = gtk_entry_new();
 606         gtk_widget_set_size_request(p->name_entry, 300, -1);
 607         if (p->bb->name) gtk_entry_set_text(GTK_ENTRY(p->name_entry), p->bb->name);
 608         gtk_table_attach_defaults(GTK_TABLE(table), p->name_entry, 1, 2, 0, 1);
 609         generic_dialog_attach_default(gd, p->name_entry);
 610         gtk_widget_show(p->name_entry);
 611
 612         pref_table_label(table, 0, 1, _("Path:"), 1.0);
 613
 614         label = tab_completion_new_with_history(&p->path_entry, p->bb->path,
 615                                                 "bookmark_path", -1, NULL, NULL);
 616         tab_completion_add_select_button(p->path_entry, NULL, TRUE);
 617         gtk_table_attach_defaults(GTK_TABLE(table), label, 1, 2, 1, 2);
 618         generic_dialog_attach_default(gd, p->path_entry);
 619         gtk_widget_show(label);
 620
 621         pref_table_label(table, 0, 2, _("Icon:"), 1.0);
 622
 623         icon = p->bb->icon;
 624         if (!icon) icon = "";
 625         label = tab_completion_new_with_history(&p->icon_entry, icon,
 626                                                 "bookmark_icons", -1, NULL, NULL);
 627         tab_completion_add_select_button(p->icon_entry, _("Select icon"), FALSE);
 628         gtk_table_attach_defaults(GTK_TABLE(table), label, 1, 2, 2, 3);
 629         generic_dialog_attach_default(gd, p->icon_entry);
 630         gtk_widget_show(label);
 631
 632         gtk_widget_show(gd->dialog);
 633 }
 634
 635 static void bookmark_move(BookMarkData *bm, GtkWidget *button, gint direction)
 636 {
 637         BookButtonData *b;
 638         gint p;
 639         GList *list;
 640         gchar *key_holder;
 641
 642         if (!bm->editable) return;
 643
 644         b = g_object_get_data(G_OBJECT(button), "bookbuttondata");
 645         if (!b) return;
 646
 647         list = gtk_container_get_children(GTK_CONTAINER(bm->box));
 648         p = g_list_index(list, button);
 649         g_list_free(list);
 650
 651         if (p < 0 || p + direction < 0) return;
 652
 653         key_holder = bm->key;
 654         bm->key = "_TEMPHOLDER";
 655         history_list_item_move(key_holder, b->key, -direction);
 656         bookmark_populate_all(key_holder);
 657         bm->key = key_holder;
 658
 659         gtk_box_reorder_child(GTK_BOX(bm->box), button, p + direction);
 660 }
 661
 662 static void bookmark_menu_prop_cb(GtkWidget *widget, gpointer data)
 663 {
 664         BookMarkData *bm = data;
 665
 666         if (!bm->active_button) return;
 667
 668         bookmark_edit(bm->key, bm->active_button->key, widget);
 669 }
 670
 671 static void bookmark_menu_move(BookMarkData *bm, gint direction)
 672 {
 673         if (!bm->active_button) return;
 674
 675         bookmark_move(bm, bm->active_button->button, direction);
 676 }
 677
 678 static void bookmark_menu_up_cb(GtkWidget *widget, gpointer data)
 679 {
 680         bookmark_menu_move(data, -1);
 681 }
 682
 683 static void bookmark_menu_down_cb(GtkWidget *widget, gpointer data)
 684 {
 685         bookmark_menu_move(data, 1);
 686 }
 687
 688 static void bookmark_menu_remove_cb(GtkWidget *widget, gpointer data)
 689 {
 690         BookMarkData *bm = data;
 691
 692         if (!bm->active_button) return;
 693
 694         history_list_item_remove(bm->key, bm->active_button->key);
 695         bookmark_populate_all(bm->key);
 696 }
 697
 698 static void bookmark_menu_position_cb(GtkMenu *menu, gint *x, gint *y, gint *pushed_in, gpointer data)
 699 {
 700         GtkWidget *button = data;
 701
 702         gdk_window_get_origin(button->window, x, y);
 703         *y += button->allocation.y + button->allocation.height;
 704 }
 705
 706 static void bookmark_menu_popup(BookMarkData *bm, GtkWidget *button,
 707                                 gint button_n, guint32 time, gint local)
 708 {
 709         GtkWidget *menu;
 710         BookButtonData *b;
 711
 712         b = g_object_get_data(G_OBJECT(button), "bookbuttondata");
 713         if (!b) return;
 714
 715         bm->active_button = b;
 716
 717         menu = popup_menu_short_lived();
 718         menu_item_add_stock_sensitive(menu, _("_Properties..."), GTK_STOCK_PROPERTIES, bm->editable,
 719                       G_CALLBACK(bookmark_menu_prop_cb), bm);
 720         menu_item_add_stock_sensitive(menu, _("Move _up"), GTK_STOCK_GO_UP, bm->editable,
 721                       G_CALLBACK(bookmark_menu_up_cb), bm);
 722         menu_item_add_stock_sensitive(menu, _("Move _down"), GTK_STOCK_GO_DOWN, bm->editable,
 723                       G_CALLBACK(bookmark_menu_down_cb), bm);
 724         menu_item_add_stock_sensitive(menu, _("_Remove"), GTK_STOCK_REMOVE, bm->editable,
 725                       G_CALLBACK(bookmark_menu_remove_cb), bm);
 726
 727         if (local)
 728                 {
 729                 gtk_menu_popup(GTK_MENU(menu), NULL, NULL,
 730                                bookmark_menu_position_cb, button, button_n, time);
 731                 }
 732         else
 733                 {
 734                 gtk_menu_popup(GTK_MENU(menu), NULL, NULL, NULL, NULL, button_n, time);
 735                 }
 736 }
 737
 738 static gint bookmark_press_cb(GtkWidget *button, GdkEventButton *event, gpointer data)
 739 {
 740         BookMarkData *bm = data;
 741
 742         if (event->button != 3) return FALSE;
 743
 744         bookmark_menu_popup(bm, button, event->button, event->time, FALSE);
 745
 746         return TRUE;
 747 }
 748
 749 static gint bookmark_keypress_cb(GtkWidget *button, GdkEventKey *event, gpointer data)
 750 {
 751         BookMarkData *bm = data;
 752
 753         switch (event->keyval)
 754                 {
 755                 case GDK_F10:
 756                         if (!(event->state & GDK_CONTROL_MASK)) return FALSE;
 757                 case GDK_Menu:
 758                         bookmark_menu_popup(bm, button, 0, event->time, TRUE);
 759                         return TRUE;
 760                         break;
 761                 case GDK_Up:
 762                         if (event->state & GDK_SHIFT_MASK)
 763                                 {
 764                                 bookmark_move(bm, button, -1);
 765                                 return TRUE;
 766                                 }
 767                         break;
 768                 case GDK_Down:
 769                         if (event->state & GDK_SHIFT_MASK)
 770                                 {
 771                                 bookmark_move(bm, button, 1);
 772                                 return TRUE;
 773                                 }
 774                         break;
 775                 }
 776
 777         return FALSE;
 778 }
 779
 780 static void bookmark_drag_set_data(GtkWidget *button,
 781                                    GdkDragContext *context, GtkSelectionData *selection_data,
 782                                    guint info, guint time, gpointer data)
 783 {
 784         BookMarkData *bm = data;
 785         BookButtonData *b;
 786         gchar *uri_text = NULL;
 787         gint length = 0;
 788         GList *list = NULL;
 789
 790         if (context->dest_window == bm->widget->window) return;
 791
 792         b = g_object_get_data(G_OBJECT(button), "bookbuttondata");
 793         if (!b) return;
 794
 795         list = g_list_append(list, b->path);
 796
 797         switch (info)
 798                 {
 799                 case TARGET_URI_LIST:
 800                         uri_text = uri_text_from_list(list, &length, FALSE);
 801                         break;
 802                 case TARGET_TEXT_PLAIN:
 803                         uri_text = uri_text_from_list(list, &length, TRUE);
 804                         break;
 805                 }
 806
 807         g_list_free(list);
 808
 809         if (!uri_text) return;
 810
 811         gtk_selection_data_set(selection_data, selection_data->target,
 812                                8, uri_text, length);
 813         g_free(uri_text);
 814 }
 815
 816 static void bookmark_drag_begin(GtkWidget *button, GdkDragContext *context, gpointer data)
 817 {
 818         GdkPixbuf *pixbuf;
 819         GdkModifierType mask;
 820         gint x, y;
 821
 822         pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, FALSE, 8,
 823                                 button->allocation.width, button->allocation.height);
 824         gdk_pixbuf_get_from_drawable(pixbuf, button->window, NULL,
 825                                      button->allocation.x, button->allocation.y,
 826                                      0, 0, button->allocation.width, button->allocation.height);
 827
 828         gdk_window_get_pointer(button->window, &x, &y, &mask);
 829
 830         gtk_drag_set_icon_pixbuf(context, pixbuf,
 831                                  x - button->allocation.x, y - button->allocation.y);
 832         g_object_unref(pixbuf);
 833 }
 834
 835 static void bookmark_populate(BookMarkData *bm)
 836 {
 837         GtkBox *box;
 838         GList *work;
 839         GList *children;
 840
 841         box = GTK_BOX(bm->box);
 842         children = gtk_container_get_children(GTK_CONTAINER(box));
 843         work = children;
 844         while (work)
 845                 {
 846                 GtkWidget *widget = GTK_WIDGET(work->data);
 847                 work = work->next;
 848                 gtk_widget_destroy(widget);
 849                 }
 850
 851         if (!bm->no_defaults && !history_list_get_by_key(bm->key))
 852                 {
 853                 gchar *buf;
 854                 gchar *path;
 855
 856                 if (!bookmark_default_list)
 857                         {
 858                         buf = bookmark_string(_("Home"), homedir(), NULL);
 859                         history_list_add_to_key(bm->key, buf, 0);
 860                         g_free(buf);
 861
 862                         path = concat_dir_and_file(homedir(), "Desktop");
 863                         if (isname(path))
 864                                 {
 865                                 buf = bookmark_string(_("Desktop"), path, NULL);
 866                                 history_list_add_to_key(bm->key, buf, 0);
 867                                 g_free(buf);
 868                                 }
 869                         g_free(path);
 870                         }
 871
 872                 work = bookmark_default_list;
 873                 while (work && work->next)
 874                         {
 875                         gchar *name;
 876
 877                         name = work->data;
 878                         work = work->next;
 879                         path = work->data;
 880                         work = work->next;
 881
 882                         buf = bookmark_string(name, path, NULL);
 883                         history_list_add_to_key(bm->key, buf, 0);
 884                         g_free(buf);
 885                         }
 886                 }
 887
 888         work = history_list_get_by_key(bm->key);
 889         work = g_list_last(work);
 890         while (work)
 891                 {
 892                 BookButtonData *b;
 893
 894                 b = bookmark_from_string(work->data);
 895                 if (b)
 896                         {
 897                         GtkWidget *box;
 898
 899                         b->button = gtk_button_new();
 900                         gtk_button_set_relief(GTK_BUTTON(b->button), GTK_RELIEF_NONE);
 901                         gtk_box_pack_start(GTK_BOX(bm->box), b->button, FALSE, FALSE, 0);
 902                         gtk_widget_show(b->button);
 903
 904                         g_object_set_data_full(G_OBJECT(b->button), "bookbuttondata",
 905                                                b, (GDestroyNotify)bookmark_free);
 906
 907                         box = gtk_hbox_new(FALSE, PREF_PAD_BUTTON_GAP);
 908                         gtk_container_add(GTK_CONTAINER(b->button), box);
 909                         gtk_widget_show(box);
 910
 911                         if (b->icon)
 912                                 {
 913                                 GdkPixbuf *pixbuf;
 914                                 gchar *iconl;
 915
 916                                 iconl = path_from_utf8(b->icon);
 917                                 pixbuf = gdk_pixbuf_new_from_file(iconl, NULL);
 918                                 g_free(iconl);
 919                                 if (pixbuf)
 920                                         {
 921                                         GdkPixbuf *scaled;
 922                                         gint w, h;
 923
 924                                         w = h = 16;
 925                                         gtk_icon_size_lookup(GTK_ICON_SIZE_BUTTON, &w, &h);
 926
 927                                         scaled = gdk_pixbuf_scale_simple(pixbuf, w, h,
 928                                                                          GDK_INTERP_BILINEAR);
 929                                         b->image = gtk_image_new_from_pixbuf(scaled);
 930                                         g_object_unref(scaled);
 931                                         g_object_unref(pixbuf);
 932                                         }
 933                                 else
 934                                         {
 935                                         b->image = gtk_image_new_from_stock(GTK_STOCK_MISSING_IMAGE,
 936                                                                             GTK_ICON_SIZE_BUTTON);
 937                                         }
 938                                 }
 939                         else
 940                                 {
 941                                 b->image = gtk_image_new_from_stock(GTK_STOCK_JUMP_TO, GTK_ICON_SIZE_BUTTON);
 942                                 }
 943                         gtk_box_pack_start(GTK_BOX(box), b->image, FALSE, FALSE, 0);
 944                         gtk_widget_show(b->image);
 945
 946                         b->label = gtk_label_new(b->name);
 947                         gtk_box_pack_start(GTK_BOX(box), b->label, FALSE, FALSE, 0);
 948                         gtk_widget_show(b->label);
 949
 950                         g_signal_connect(G_OBJECT(b->button), "clicked",
 951                                          G_CALLBACK(bookmark_select_cb), bm);
 952                         g_signal_connect(G_OBJECT(b->button), "button_press_event",
 953                                          G_CALLBACK(bookmark_press_cb), bm);
 954                         g_signal_connect(G_OBJECT(b->button), "key_press_event",
 955                                          G_CALLBACK(bookmark_keypress_cb), bm);
 956
 957                         gtk_drag_source_set(b->button, GDK_BUTTON1_MASK,
 958                                             bookmark_drag_types, bookmark_drag_types_n,
 959                                             GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK);
 960                         g_signal_connect(G_OBJECT(b->button), "drag_data_get",
 961                                          G_CALLBACK(bookmark_drag_set_data), bm);
 962                         g_signal_connect(G_OBJECT(b->button), "drag_begin",
 963                                          G_CALLBACK(bookmark_drag_begin), bm);
 964                         }
 965
 966                 work = work->prev;
 967                 }
 968 }
 969
 970 static void bookmark_populate_all(const gchar *key)
 971 {
 972         GList *work;
 973
 974         if (!key) return;
 975
 976         work = bookmark_widget_list;
 977         while (work)
 978                 {
 979                 BookMarkData *bm;
 980
 981                 bm = work->data;
 982                 work = work->next;
 983
 984                 if (strcmp(bm->key, key) == 0)
 985                         {
 986                         bookmark_populate(bm);
 987                         }
 988                 }
 989 }
 990
 991 static void bookmark_dnd_get_data(GtkWidget *widget,
 992                                   GdkDragContext *context, gint x, gint y,
 993                                   GtkSelectionData *selection_data, guint info,
 994                                   guint time, gpointer data)
 995 {
 996         BookMarkData *bm = data;
 997         GList *list = NULL;
 998         GList *work;
 999
1000         if (!bm->editable) return;
1001
1002         switch (info)
1003                 {
1004                 case TARGET_URI_LIST:
1005                 case TARGET_X_URL:
1006                         list = uri_list_from_text(selection_data->data, FALSE);
1007                         break;
1008                 }
1009
1010         work = list;
1011         while (work)
1012                 {
1013                 gchar *path = work->data;
1014                 gchar *buf;
1015
1016                 buf = bookmark_string(filename_from_path(path), path, NULL);
1017                 history_list_add_to_key(bm->key, buf, 0);
1018                 g_free(buf);
1019
1020                 work = work->next;
1021                 }
1022
1023         path_list_free(list);
1024
1025         bookmark_populate_all(bm->key);
1026 }
1027
1028 static void bookmark_list_destroy(GtkWidget *widget, gpointer data)
1029 {
1030         BookMarkData *bm = data;
1031
1032         bookmark_widget_list = g_list_remove(bookmark_widget_list, bm);
1033
1034         g_free(bm->key);
1035         g_free(bm);
1036 }
1037
1038 GtkWidget *bookmark_list_new(const gchar *key,
1039                              void (*select_func)(const gchar *path, gpointer data), gpointer select_data)
1040 {
1041         GtkWidget *scrolled;
1042         BookMarkData *bm;
1043
1044         if (!key) key = "bookmarks";
1045
1046         bm = g_new0(BookMarkData, 1);
1047         bm->key = g_strdup(key);
1048
1049         bm->select_func = select_func;
1050         bm->select_data = select_data;
1051
1052         bm->no_defaults = FALSE;
1053         bm->editable = TRUE;
1054
1055         scrolled = gtk_scrolled_window_new(NULL, NULL);
1056         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolled),
1057                                        GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
1058
1059         bm->box = gtk_vbox_new(FALSE, 0);
1060         gtk_scrolled_window_add_with_viewport(GTK_SCROLLED_WINDOW(scrolled), bm->box);
1061         gtk_widget_show(bm->box);
1062
1063         bookmark_populate(bm);
1064
1065         g_signal_connect(G_OBJECT(bm->box), "destroy",
1066                          G_CALLBACK(bookmark_list_destroy), bm);
1067         g_object_set_data(G_OBJECT(bm->box), BOOKMARK_DATA_KEY, bm);
1068         g_object_set_data(G_OBJECT(scrolled), BOOKMARK_DATA_KEY, bm);
1069         bm->widget = scrolled;
1070
1071         gtk_drag_dest_set(scrolled,
1072                           GTK_DEST_DEFAULT_MOTION | GTK_DEST_DEFAULT_DROP,
1073                           bookmark_drop_types, bookmark_drop_types_n,
1074                           GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK);
1075         g_signal_connect(G_OBJECT(scrolled), "drag_data_received",
1076                          G_CALLBACK(bookmark_dnd_get_data), bm);
1077
1078         bookmark_widget_list = g_list_append(bookmark_widget_list, bm);
1079
1080         return scrolled;
1081 }
1082
1083 void bookmark_list_set_key(GtkWidget *list, const gchar *key)
1084 {
1085         BookMarkData *bm;
1086
1087         if (!list || !key) return;
1088
1089         bm = g_object_get_data(G_OBJECT(list), BOOKMARK_DATA_KEY);
1090         if (!bm) return;
1091
1092         if (bm->key && strcmp(bm->key, key) == 0) return;
1093
1094         g_free(bm->key);
1095         bm->key = g_strdup(key);
1096
1097         bookmark_populate(bm);
1098 }
1099
1100 void bookmark_list_set_no_defaults(GtkWidget *list, gint no_defaults)
1101 {
1102         BookMarkData *bm;
1103
1104         bm = g_object_get_data(G_OBJECT(list), BOOKMARK_DATA_KEY);
1105         if (!bm) return;
1106
1107         bm->no_defaults = no_defaults;
1108 }
1109
1110 void bookmark_list_set_editable(GtkWidget *list, gint editable)
1111 {
1112         BookMarkData *bm;
1113
1114         bm = g_object_get_data(G_OBJECT(list), BOOKMARK_DATA_KEY);
1115         if (!bm) return;
1116
1117         bm->editable = editable;
1118 }
1119
1120 void bookmark_list_add(GtkWidget *list, const gchar *name, const gchar *path)
1121 {
1122         BookMarkData *bm;
1123         gchar *buf;
1124
1125         bm = g_object_get_data(G_OBJECT(list), BOOKMARK_DATA_KEY);
1126         if (!bm) return;
1127
1128         buf = bookmark_string(name, path, NULL);
1129         history_list_add_to_key(bm->key, buf, 0);
1130         g_free(buf);
1131
1132         bookmark_populate_all(bm->key);
1133 }
1134
1135 void bookmark_add_default(const gchar *name, const gchar *path)
1136 {
1137         if (!name || !path) return;
1138         bookmark_default_list = g_list_append(bookmark_default_list, g_strdup(name));
1139         bookmark_default_list = g_list_append(bookmark_default_list, g_strdup(path));
1140 }
1141
1142 /*
1143  *-----------------------------------------------------------------------------
1144  * combo with history key
1145  *-----------------------------------------------------------------------------
1146  */
1147
1148 typedef struct _HistoryComboData HistoryComboData;
1149 struct _HistoryComboData
1150 {
1151         GtkWidget *combo;
1152         GtkWidget *entry;
1153         gchar *history_key;
1154         gint history_levels;
1155 };
1156
1157 static void history_combo_destroy(GtkWidget *widget, gpointer data)
1158 {
1159         HistoryComboData *hc = data;
1160
1161         g_free(hc->history_key);
1162         g_free(data);
1163 }
1164
1165 /* if text is NULL, entry is set to the most recent item */
1166 GtkWidget *history_combo_new(GtkWidget **entry, const gchar *text,
1167                              const gchar *history_key, gint max_levels)
1168 {
1169         HistoryComboData *hc;
1170         GList *work;
1171         gint n = 0;
1172
1173         hc = g_new0(HistoryComboData, 1);
1174         hc->history_key = g_strdup(history_key);
1175         hc->history_levels = max_levels;
1176
1177         hc->combo = gtk_combo_box_entry_new_text();
1178 #if 0
1179         gtk_combo_set_case_sensitive(GTK_COMBO(hc->combo), TRUE);
1180         gtk_combo_set_use_arrows(GTK_COMBO(hc->combo), FALSE);
1181 #endif
1182
1183         hc->entry = GTK_BIN(hc->combo)->child;
1184
1185         g_object_set_data(G_OBJECT(hc->combo), "history_combo_data", hc);
1186         g_object_set_data(G_OBJECT(hc->entry), "history_combo_data", hc);
1187         g_signal_connect(G_OBJECT(hc->combo), "destroy",
1188                          G_CALLBACK(history_combo_destroy), hc);
1189
1190         work = history_list_get_by_key(hc->history_key);
1191         while (work)
1192                 {
1193                 gtk_combo_box_append_text(GTK_COMBO_BOX(hc->combo), (gchar *)work->data);
1194                 work = work->next;
1195                 n++;
1196                 }
1197
1198         if (text)
1199                 {
1200                 gtk_entry_set_text(GTK_ENTRY(hc->entry), text);
1201                 }
1202         else if (n > 0)
1203                 {
1204                 gtk_combo_box_set_active(GTK_COMBO_BOX(hc->combo), 0);
1205                 }
1206
1207         if (entry) *entry = hc->entry;
1208         return hc->combo;
1209 }
1210
1211 /* if text is NULL, current entry text is used
1212  * widget can be the combo or entry widget
1213  */
1214 void history_combo_append_history(GtkWidget *widget, const gchar *text)
1215 {
1216         HistoryComboData *hc;
1217         gchar *new_text;
1218
1219         hc = g_object_get_data(G_OBJECT(widget), "history_combo_data");
1220         if (!hc)
1221                 {
1222                 printf("widget is not a history combo\n");
1223                 return;
1224                 }
1225
1226         if (text)
1227                 {
1228                 new_text = g_strdup(text);
1229                 }
1230         else
1231                 {
1232                 new_text = g_strdup(gtk_entry_get_text(GTK_ENTRY(hc->entry)));
1233                 }
1234
1235         if (new_text && strlen(new_text) > 0)
1236                 {
1237                 GtkTreeModel *store;
1238                 GList *work;
1239
1240                 history_list_add_to_key(hc->history_key, new_text, hc->history_levels);
1241
1242                 gtk_combo_box_set_active(GTK_COMBO_BOX(hc->combo), -1);
1243
1244                 store = gtk_combo_box_get_model(GTK_COMBO_BOX(hc->combo));
1245                 gtk_list_store_clear(GTK_LIST_STORE(store));
1246
1247                 work = history_list_get_by_key(hc->history_key);
1248                 while (work)
1249                         {
1250                         gtk_combo_box_append_text(GTK_COMBO_BOX(hc->combo), (gchar *)work->data);
1251                         work = work->next;
1252                         }
1253                 }
1254
1255         g_free(new_text);
1256 }
1257
1258 /*
1259  *-----------------------------------------------------------------------------
1260  * drag and drop uri utils
1261  *-----------------------------------------------------------------------------
1262  */
1263
1264 /* the following characters are allowed to be unencoded for pathnames:
1265  *     $ & + , / : = @
1266  */
1267 static gint escape_char_list[] = {
1268         1, 1, 1, 1, 1, 1, 1, 1, 1, 1,   /*   0 */
1269         1, 1, 1, 1, 1, 1, 1, 1, 1, 1,   /*  10 */
1270         1, 1, 1, 1, 1, 1, 1, 1, 1, 1,   /*  20 */
1271 /*           spc !  "  #  $  %  &  '           */
1272         1, 1, 0, 0, 1, 1, 0, 1, 0, 0,   /*  30 */
1273 /*      (  )  *  +  ,  -  .  /  0  1           */
1274         0, 0, 0, 0, 0, 0, 0, 0, 0, 0,   /*  40 */
1275 /*      2  3  4  5  6  7  8  9  :  ;           */
1276         0, 0, 0, 0, 0, 0, 0, 0, 0, 1,   /*  50 */
1277 /*      <  =  >  ?  @  A  B  C  D  E           */
1278         1, 0, 1, 1, 0, 0, 0, 0, 0, 0,   /*  60 */
1279         0, 0, 0, 0, 0, 0, 0, 0, 0, 0,   /*  70 */
1280         0, 0, 0, 0, 0, 0, 0, 0, 0, 0,   /*  80 */
1281 /*      Z  [  \  ]  ^  _  `  a  b  c           */
1282         0, 1, 1, 1, 1, 0, 1, 0, 0, 0,   /*  90 */
1283         0, 0, 0, 0, 0, 0, 0, 0, 0, 0,   /* 100 */
1284         0, 0, 0, 0, 0, 0, 0, 0, 0, 0,   /* 110 */
1285 /*      x  y  z  {  |  }  ~ del                */
1286         0, 0, 0, 1, 1, 1, 0, 0          /* 120, 127 is end */
1287 };
1288
1289 static gchar *hex_char = "0123456789ABCDEF";
1290
1291 static gint escape_test(guchar c)
1292 {
1293         if (c < 32 || c > 127) return TRUE;
1294         return (escape_char_list[c] != 0);
1295 }
1296
1297 static const gchar *escape_code(guchar c)
1298 {
1299         static gchar text[4];
1300
1301         text[0] = '%';
1302         text[1] = hex_char[c>>4];
1303         text[2] = hex_char[c%16];
1304         text[3] = '\0';
1305
1306         return text;
1307 }
1308
1309 gchar *uri_text_escape(const gchar *text)
1310 {
1311         GString *string;
1312         gchar *result;
1313         const gchar *p;
1314
1315         if (!text) return NULL;
1316
1317         string = g_string_new("");
1318
1319         p = text;
1320         while (*p != '\0')
1321                 {
1322                 if (escape_test(*p))
1323                         {
1324                         g_string_append(string, escape_code(*p));
1325                         }
1326                 else
1327                         {
1328                         g_string_append_c(string, *p);
1329                         }
1330                 p++;
1331                 }
1332
1333         result = string->str;
1334         g_string_free(string, FALSE);
1335
1336         /* dropped filenames are expected to be utf-8 compatible */
1337         if (!g_utf8_validate(result, -1, NULL))
1338                 {
1339                 gchar *tmp;
1340
1341                 tmp = g_locale_to_utf8(result, -1, NULL, NULL, NULL);
1342                 if (tmp)
1343                         {
1344                         g_free(result);
1345                         result = tmp;
1346                         }
1347                 }
1348
1349         return result;
1350 }
1351
1352 /* this operates on the passed string, decoding escaped characters */
1353 void uri_text_decode(gchar *text)
1354 {
1355         if (strchr(text, '%'))
1356                 {
1357                 gchar *w;
1358                 gchar *r;
1359
1360                 w = r = text;
1361
1362                 while(*r != '\0')
1363                         {
1364                         if (*r == '%' && *(r + 1) != '\0' && *(r + 2) != '\0')
1365                                 {
1366                                 gchar t[3];
1367                                 gint n;
1368
1369                                 r++;
1370                                 t[0] = *r;
1371                                 r++;
1372                                 t[1] = *r;
1373                                 t[2] = '\0';
1374                                 n = (gint)strtol(t, NULL, 16);
1375                                 if (n > 0 && n < 256)
1376                                         {
1377                                         *w = (gchar)n;
1378                                         }
1379                                 else
1380                                         {
1381                                         /* invalid number, rewind and ignore this escape */
1382                                         r -= 2;
1383                                         *w = *r;
1384                                         }
1385                                 }
1386                         else if (w != r)
1387                                 {
1388                                 *w = *r;
1389                                 }
1390                         r++;
1391                         w++;
1392                         }
1393                 if (*w != '\0') *w = '\0';
1394                 }
1395 }
1396
1397 static void uri_list_parse_encoded_chars(GList *list)
1398 {
1399         GList *work = list;
1400
1401         while (work)
1402                 {
1403                 gchar *text = work->data;
1404
1405                 uri_text_decode(text);
1406
1407                 work = work->next;
1408                 }
1409 }
1410
1411 GList *uri_list_from_text(gchar *data, gint files_only)
1412 {
1413         GList *list = NULL;
1414         gint b, e;
1415
1416         b = e = 0;
1417
1418         while (data[b] != '\0')
1419                 {
1420                 while (data[e] != '\r' && data[e] != '\n' && data[e] != '\0') e++;
1421                 if (strncmp(data + b, "file:", 5) == 0)
1422                         {
1423                         gchar *path;
1424                         b += 5;
1425                         while (data[b] == '/' && data[b+1] == '/') b++;
1426                         path = g_strndup(data + b, e - b);
1427                         list = g_list_append(list, path_to_utf8(path));
1428                         g_free(path);
1429                         }
1430                 else if (!files_only && strncmp(data + b, "http:", 5) == 0)
1431                         {
1432                         list = g_list_append(list, g_strndup(data + b, e - b));
1433                         }
1434                 else if (!files_only && strncmp(data + b, "ftp:", 3) == 0)
1435                         {
1436                         list = g_list_append(list, g_strndup(data + b, e - b));
1437                         }
1438                 while (data[e] == '\r' || data[e] == '\n') e++;
1439                 b = e;
1440                 }
1441
1442         uri_list_parse_encoded_chars(list);
1443
1444         return list;
1445 }
1446
1447 gchar *uri_text_from_list(GList *list, gint *len, gint plain_text)
1448 {
1449         gchar *uri_text = NULL;
1450         GString *string;
1451         GList *work;
1452
1453         if (!list)
1454                 {
1455                 if (len) *len = 0;
1456                 return NULL;
1457                 }
1458
1459         string = g_string_new("");
1460
1461         work = list;
1462         while (work)
1463                 {
1464                 const gchar *name8;     /* dnd filenames are in utf-8 */
1465
1466                 name8 = work->data;
1467
1468                 if (!plain_text)
1469                         {
1470                         gchar *escaped;
1471
1472                         escaped = uri_text_escape(name8);
1473                         g_string_append(string, "file:");
1474                         g_string_append(string, escaped);
1475                         g_free(escaped);
1476
1477                         g_string_append(string, "\r\n");
1478                         }
1479                 else
1480                         {
1481                         g_string_append(string, name8);
1482                         if (work->next) g_string_append(string, "\n");
1483                         }
1484
1485                 work = work->next;
1486                 }
1487
1488         uri_text = string->str;
1489         if (len) *len = string->len;
1490         g_string_free(string, FALSE);
1491
1492         return uri_text;
1493 }
1494