src/ui_tabcomp.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 #include <unistd.h>
  21 #include <sys/types.h>
  22 #include <dirent.h>
  23
  24 #include <gdk/gdk.h>
  25 #include <gtk/gtk.h>
  26 #include <gdk-pixbuf/gdk-pixbuf.h>
  27
  28 #include "ui_tabcomp.h"
  29
  30 #include "ui_bookmark.h"
  31 #include "ui_fileops.h"
  32 #include "ui_spinner.h"
  33 #include "ui_utildlg.h"
  34
  35 #include <gdk/gdkkeysyms.h> /* for key values */
  36
  37
  38 /* define this to enable a pop-up menu that shows possible matches
  39  * #define TAB_COMPLETION_ENABLE_POPUP_MENU
  40  */
  41 #define TAB_COMPLETION_ENABLE_POPUP_MENU 1
  42 #define TAB_COMP_POPUP_MAX 500
  43
  44 #ifdef TAB_COMPLETION_ENABLE_POPUP_MENU
  45 #include "ui_menu.h"
  46 #endif
  47
  48
  49 /* ----------------------------------------------------------------
  50    Tab completion routines, can be connected to any gtkentry widget
  51    using the tab_completion_add_to_entry() function.
  52    Use remove_trailing_slash() to strip the trailing '/'.
  53    ----------------------------------------------------------------*/
  54
  55 typedef struct _TabCompData TabCompData;
  56 struct _TabCompData
  57 {
  58         GtkWidget *entry;
  59         gchar *dir_path;
  60         GList *file_list;
  61         void (*enter_func)(const gchar *, gpointer);
  62         void (*tab_func)(const gchar *, gpointer);
  63         gpointer enter_data;
  64         gpointer tab_data;
  65
  66         GtkWidget *combo;
  67         gint has_history;
  68         gchar *history_key;
  69         gint history_levels;
  70
  71         FileDialog *fd;
  72         gchar *fd_title;
  73         gint fd_folders_only;
  74         GtkWidget *fd_button;
  75 };
  76
  77
  78 static void tab_completion_select_show(TabCompData *td);
  79
  80 static void tab_completion_free_list(TabCompData *td)
  81 {
  82         GList *list;
  83
  84         g_free(td->dir_path);
  85         td->dir_path = NULL;
  86
  87         list = td->file_list;
  88
  89         while(list)
  90                 {
  91                 g_free(list->data);
  92                 list = list->next;
  93                 }
  94
  95         g_list_free(td->file_list);
  96         td->file_list = NULL;
  97 }
  98
  99 static void tab_completion_read_dir(TabCompData *td, const gchar *path)
 100 {
 101         DIR *dp;
 102         struct dirent *dir;
 103         GList *list = NULL;
 104         gchar *pathl;
 105
 106         tab_completion_free_list(td);
 107
 108         pathl = path_from_utf8(path);
 109         dp = opendir(pathl);
 110         g_free(pathl);
 111         if (!dp)
 112                 {
 113                 /* dir not found */
 114                 return;
 115                 }
 116         while ((dir = readdir(dp)) != NULL)
 117                 {
 118                 /* skips removed files */
 119                 if (dir->d_ino > 0)
 120                         {
 121                         gchar *name = dir->d_name;
 122                         if (strcmp(name, ".") != 0 && strcmp(name, "..") != 0)
 123                                 {
 124                                 list = g_list_prepend(list, path_to_utf8(name));
 125                                 }
 126                         }
 127                 }
 128         closedir(dp);
 129
 130         td->dir_path = g_strdup(path);
 131         td->file_list = list;
 132 }
 133
 134 static void tab_completion_destroy(GtkWidget *widget, gpointer data)
 135 {
 136         TabCompData *td = data;
 137
 138         tab_completion_free_list(td);
 139         g_free(td->history_key);
 140
 141         if (td->fd) file_dialog_close(td->fd);
 142         g_free(td->fd_title);
 143
 144         g_free(td);
 145 }
 146
 147 static gint tab_completion_emit_enter_signal(TabCompData *td)
 148 {
 149         gchar *text;
 150         if (!td->enter_func) return FALSE;
 151
 152         text = g_strdup(gtk_entry_get_text(GTK_ENTRY(td->entry)));
 153
 154         if (text[0] == '~')
 155                 {
 156                 gchar *t = text;
 157                 text = g_strconcat(homedir(), t + 1, NULL);
 158                 g_free(t);
 159                 }
 160
 161         td->enter_func(text, td->enter_data);
 162         g_free(text);
 163
 164         return TRUE;
 165 }
 166
 167 static void tab_completion_emit_tab_signal(TabCompData *td)
 168 {
 169         gchar *text;
 170         if (!td->tab_func) return;
 171
 172         text = g_strdup(gtk_entry_get_text(GTK_ENTRY(td->entry)));
 173
 174         if (text[0] == '~')
 175                 {
 176                 gchar *t = text;
 177                 text = g_strconcat(homedir(), t + 1, NULL);
 178                 g_free(t);
 179                 }
 180
 181         td->tab_func(text, td->tab_data);
 182         g_free(text);
 183 }
 184
 185 #ifdef TAB_COMPLETION_ENABLE_POPUP_MENU
 186
 187 static gint tab_completion_popup_key_press(GtkWidget *widget, GdkEventKey *event, gpointer data)
 188 {
 189         TabCompData *td = data;
 190
 191         if (event->keyval == GDK_Tab ||
 192             event->keyval == GDK_BackSpace ||
 193             (event->keyval >= 0x20 && event->keyval <= 0xFF) )
 194                 {
 195                 if (event->keyval >= 0x20 && event->keyval <= 0xFF)
 196                         {
 197                         gchar buf[2];
 198                         gint p = -1;
 199
 200                         buf[0] = event->keyval;
 201                         buf[1] = '\0';
 202                         gtk_editable_insert_text(GTK_EDITABLE(td->entry), buf, 1, &p);
 203                         gtk_editable_set_position(GTK_EDITABLE(td->entry), -1);
 204                         }
 205
 206                 /*close the menu */
 207                 gtk_menu_popdown(GTK_MENU(widget));
 208                 /* doing this does not emit the "selection done" signal, unref it ourselves */
 209                 gtk_widget_unref(widget);
 210
 211                 return TRUE;
 212                 }
 213
 214         return FALSE;
 215 }
 216
 217 static void tab_completion_popup_cb(GtkWidget *widget, gpointer data)
 218 {
 219         gchar *name = data;
 220         TabCompData *td;
 221         gchar *buf;
 222         gchar *ptr;
 223
 224         td = g_object_get_data(G_OBJECT(widget), "tab_completion_data");
 225         if (!td) return;
 226
 227         ptr = td->dir_path + strlen(td->dir_path) - 1;
 228         buf = g_strconcat(td->dir_path, (ptr[0] == '/') ? "" : "/", name, NULL);
 229         gtk_entry_set_text(GTK_ENTRY(td->entry), buf);
 230         gtk_editable_set_position(GTK_EDITABLE(td->entry), strlen(buf));
 231         g_free(buf);
 232
 233         tab_completion_emit_tab_signal(td);
 234 }
 235
 236 static void tab_completion_popup_pos_cb(GtkMenu *menu, gint *x, gint *y, gboolean *push_in, gpointer data)
 237 {
 238         TabCompData *td = data;
 239         gint height;
 240         PangoLayout *layout;
 241         PangoRectangle strong_pos, weak_pos;
 242         gint length;
 243         gint xoffset, yoffset;
 244         GtkRequisition req;
 245         GdkScreen *screen;
 246         gint monitor_num;
 247         GdkRectangle monitor;
 248
 249         gdk_window_get_origin(td->entry->window, x, y);
 250
 251         screen = gtk_widget_get_screen(GTK_WIDGET(menu));
 252         monitor_num = gdk_screen_get_monitor_at_window(screen, td->entry->window);
 253         gdk_screen_get_monitor_geometry(screen, monitor_num, &monitor);
 254
 255         gtk_widget_size_request(GTK_WIDGET(menu), &req);
 256
 257         length = strlen(gtk_entry_get_text(GTK_ENTRY(td->entry)));
 258         gtk_entry_get_layout_offsets(GTK_ENTRY(td->entry), &xoffset, &yoffset);
 259
 260         layout = gtk_entry_get_layout(GTK_ENTRY(td->entry));
 261         pango_layout_get_cursor_pos(layout, length, &strong_pos, &weak_pos);
 262
 263         *x += strong_pos.x / PANGO_SCALE + xoffset;
 264
 265         height = MIN(td->entry->requisition.height, td->entry->allocation.height);
 266
 267         if (req.height > monitor.y + monitor.height - *y - height &&
 268             *y - monitor.y >  monitor.y + monitor.height - *y)
 269                 {
 270                 height = MIN(*y - monitor.y, req.height);
 271                 gtk_widget_set_size_request(GTK_WIDGET(menu), -1, height);
 272                 *y -= height;
 273                 }
 274         else
 275                 {
 276                 *y += height;
 277                 }
 278 }
 279
 280 static void tab_completion_popup_list(TabCompData *td, GList *list)
 281 {
 282         GtkWidget *menu;
 283         GList *work;
 284         GdkEvent *event;
 285         guint32 etime;
 286         gint ebutton;
 287         gint count = 0;
 288
 289         if (!list) return;
 290
 291 #if 0
 292         /*
 293          * well, the menu would be too long anyway...
 294          * (listing /dev causes gtk+ window allocation errors, -> too big a window)
 295          * this is why menu popups are disabled, this really should be a popup scrollable listview.
 296          */
 297         if (g_list_length(list) > 200) return;
 298 #endif
 299
 300         menu = popup_menu_short_lived();
 301
 302         work = list;
 303         while (work && count < TAB_COMP_POPUP_MAX)
 304                 {
 305                 gchar *name = work->data;
 306                 GtkWidget *item;
 307
 308                 item = menu_item_add_simple(menu, name, G_CALLBACK(tab_completion_popup_cb), name);
 309                 g_object_set_data(G_OBJECT(item), "tab_completion_data", td);
 310
 311                 work = work->next;
 312                 count++;
 313                 }
 314
 315         g_signal_connect(G_OBJECT(menu), "key_press_event",
 316                          G_CALLBACK(tab_completion_popup_key_press), td);
 317
 318         /* peek at the current event to get the time, etc. */
 319         event = gtk_get_current_event();
 320
 321         if (event && event->type == GDK_BUTTON_RELEASE)
 322                 {
 323                 ebutton = event->button.button;
 324                 }
 325         else
 326                 {
 327                 ebutton = 0;
 328                 }
 329
 330         if (event)
 331                 {
 332                 etime = gdk_event_get_time(event);
 333                 gdk_event_free(event);
 334                 }
 335         else
 336                 {
 337                 etime = 0;
 338                 }
 339
 340         gtk_menu_popup(GTK_MENU(menu), NULL, NULL,
 341                        tab_completion_popup_pos_cb, td, ebutton, etime);
 342 }
 343
 344 #ifndef CASE_SORT
 345 #define CASE_SORT strcmp
 346 #endif
 347
 348 static gint simple_sort(gconstpointer a, gconstpointer b)
 349 {
 350         return CASE_SORT((gchar *)a, (gchar *)b);
 351 }
 352
 353 #endif
 354
 355 static gint tab_completion_do(TabCompData *td)
 356 {
 357         const gchar *entry_text = gtk_entry_get_text(GTK_ENTRY(td->entry));
 358         const gchar *entry_file;
 359         gchar *entry_dir;
 360         gchar *ptr;
 361         gint home_exp = FALSE;
 362
 363         /* home dir expansion */
 364         if (entry_text[0] == '~')
 365                 {
 366                 entry_dir = g_strconcat(homedir(), entry_text + 1, NULL);
 367                 home_exp = TRUE;
 368                 }
 369         else
 370                 {
 371                 entry_dir = g_strdup(entry_text);
 372                 }
 373
 374         entry_file = filename_from_path(entry_text);
 375
 376         if (isfile(entry_dir))
 377                 {
 378                 if (home_exp)
 379                         {
 380                         gtk_entry_set_text(GTK_ENTRY(td->entry), entry_dir);
 381                         gtk_editable_set_position(GTK_EDITABLE(td->entry), strlen(entry_dir));
 382                         }
 383                 g_free(entry_dir);
 384                 return home_exp;
 385                 }
 386         if (isdir(entry_dir) && strcmp(entry_file, ".") != 0 && strcmp(entry_file, "..") != 0)
 387                 {
 388                 ptr = entry_dir + strlen(entry_dir) - 1;
 389                 if (ptr[0] == '/')
 390                         {
 391                         if (home_exp)
 392                                 {
 393                                 gtk_entry_set_text(GTK_ENTRY(td->entry), entry_dir);
 394                                 gtk_editable_set_position(GTK_EDITABLE(td->entry), strlen(entry_dir));
 395                                 }
 396
 397                         tab_completion_read_dir(td, entry_dir);
 398                         td->file_list = g_list_sort(td->file_list, simple_sort);
 399                         if (td->file_list && !td->file_list->next)
 400                                 {
 401                                 gchar *buf;
 402                                 const gchar *file;
 403
 404                                 file = td->file_list->data;
 405                                 buf = g_strconcat(entry_dir, file, NULL);
 406                                 if (isdir(buf))
 407                                         {
 408                                         g_free(buf);
 409                                         buf = g_strconcat(entry_dir, file, "/", NULL);
 410                                         }
 411                                 gtk_entry_set_text(GTK_ENTRY(td->entry), buf);
 412                                 gtk_editable_set_position(GTK_EDITABLE(td->entry), strlen(buf));
 413                                 g_free(buf);
 414                                 }
 415
 416 #ifdef TAB_COMPLETION_ENABLE_POPUP_MENU
 417
 418                         else
 419                                 {
 420                                 tab_completion_popup_list(td, td->file_list);
 421                                 }
 422 #endif
 423
 424                         g_free(entry_dir);
 425                         return home_exp;
 426                         }
 427                 else
 428                         {
 429                         gchar *buf = g_strconcat(entry_dir, "/", NULL);
 430                         gtk_entry_set_text(GTK_ENTRY(td->entry), buf);
 431                         gtk_editable_set_position(GTK_EDITABLE(td->entry), strlen(buf));
 432                         g_free(buf);
 433                         g_free(entry_dir);
 434                         return TRUE;
 435                         }
 436                 }
 437
 438         ptr = (gchar *)filename_from_path(entry_dir);
 439         if (ptr > entry_dir) ptr--;
 440         ptr[0] = '\0';
 441
 442         if (strlen(entry_dir) == 0)
 443                 {
 444                 g_free(entry_dir);
 445                 entry_dir = g_strdup("/");
 446                 }
 447
 448         if (isdir(entry_dir))
 449                 {
 450                 GList *list;
 451                 GList *poss = NULL;
 452                 gint l = strlen(entry_file);
 453
 454                 if (!td->dir_path || !td->file_list || strcmp(td->dir_path, entry_dir) != 0)
 455                         {
 456                         tab_completion_read_dir(td, entry_dir);
 457                         }
 458
 459                 if (strcmp(entry_dir, "/") == 0) entry_dir[0] = '\0';
 460
 461                 list = td->file_list;
 462                 while(list)
 463                         {
 464                         gchar *file = list->data;
 465                         if (strncmp(entry_file, file, l) == 0)
 466                                 {
 467                                 poss = g_list_prepend(poss, file);
 468                                 }
 469                         list = list->next;
 470                         }
 471
 472                 if (poss)
 473                         {
 474                         if (!poss->next)
 475                                 {
 476                                 gchar *file = poss->data;
 477                                 gchar *buf;
 478
 479                                 buf = g_strconcat(entry_dir, "/", file, NULL);
 480
 481                                 if (isdir(buf))
 482                                         {
 483                                         g_free(buf);
 484                                         buf = g_strconcat(entry_dir, "/", file, "/", NULL);
 485                                         }
 486                                 gtk_entry_set_text(GTK_ENTRY(td->entry), buf);
 487                                 gtk_editable_set_position(GTK_EDITABLE(td->entry), strlen(buf));
 488                                 g_free(buf);
 489                                 g_list_free(poss);
 490                                 g_free(entry_dir);
 491                                 return TRUE;
 492                                 }
 493                         else
 494                                 {
 495                                 gint c = strlen(entry_file);
 496                                 gint done = FALSE;
 497                                 gchar *test_file = poss->data;
 498
 499                                 while (!done)
 500                                         {
 501                                         list = poss;
 502                                         if (!list) done = TRUE;
 503                                         while(list && !done)
 504                                                 {
 505                                                 gchar *file = list->data;
 506                                                 if (strlen(file) < c || strncmp(test_file, file, c) != 0)
 507                                                         {
 508                                                         done = TRUE;
 509                                                         }
 510                                                 list = list->next;
 511                                                 }
 512                                         c++;
 513                                         }
 514                                 c -= 2;
 515                                 if (c > 0)
 516                                         {
 517                                         gchar *file;
 518                                         gchar *buf;
 519                                         file = g_strdup(test_file);
 520                                         file[c] = '\0';
 521                                         buf = g_strconcat(entry_dir, "/", file, NULL);
 522                                         gtk_entry_set_text(GTK_ENTRY(td->entry), buf);
 523                                         gtk_editable_set_position(GTK_EDITABLE(td->entry), strlen(buf));
 524
 525 #ifdef TAB_COMPLETION_ENABLE_POPUP_MENU
 526
 527                                         poss = g_list_sort(poss, simple_sort);
 528                                         tab_completion_popup_list(td, poss);
 529
 530 #endif
 531
 532                                         g_free(file);
 533                                         g_free(buf);
 534                                         g_list_free(poss);
 535                                         g_free(entry_dir);
 536                                         return TRUE;
 537                                         }
 538                                 }
 539                         g_list_free(poss);
 540                         }
 541                 }
 542
 543         g_free(entry_dir);
 544
 545         return FALSE;
 546 }
 547
 548 static gint tab_completion_key_pressed(GtkWidget *widget, GdkEventKey *event, gpointer data)
 549 {
 550         TabCompData *td = data;
 551         gint stop_signal = FALSE;
 552
 553         switch (event->keyval)
 554                 {
 555                 case GDK_Tab:
 556                         if (!(event->state & GDK_CONTROL_MASK))
 557                                 {
 558                                 if (tab_completion_do(td))
 559                                         {
 560                                         tab_completion_emit_tab_signal(td);
 561                                         }
 562                                 stop_signal = TRUE;
 563                                 }
 564                         break;
 565                 case GDK_Return: case GDK_KP_Enter:
 566                         if (td->fd_button &&
 567                             (event->state & GDK_CONTROL_MASK))
 568                                 {
 569                                 tab_completion_select_show(td);
 570                                 stop_signal = TRUE;
 571                                 }
 572                         else if (tab_completion_emit_enter_signal(td))
 573                                 {
 574                                 stop_signal = TRUE;
 575                                 }
 576                         break;
 577                 default:
 578                         break;
 579                 }
 580
 581         if (stop_signal) g_signal_stop_emission_by_name(G_OBJECT(widget), "key_press_event");
 582
 583         return (stop_signal);
 584 }
 585
 586 static void tab_completion_button_pressed(GtkWidget *widget, gpointer data)
 587 {
 588         TabCompData *td;
 589         GtkWidget *entry = data;
 590
 591         td = g_object_get_data(G_OBJECT(entry), "tab_completion_data");
 592
 593         if (!td) return;
 594
 595         if (!GTK_WIDGET_HAS_FOCUS(entry))
 596                 {
 597                 gtk_widget_grab_focus(entry);
 598                 }
 599
 600         if (tab_completion_do(td))
 601                 {
 602                 tab_completion_emit_tab_signal(td);
 603                 }
 604 }
 605
 606 static void tab_completion_button_size_allocate(GtkWidget *button, GtkAllocation *allocation, gpointer data)
 607 {
 608         GtkWidget *parent = data;
 609
 610         if (allocation->height > parent->allocation.height)
 611                 {
 612                 GtkAllocation button_allocation;
 613
 614                 button_allocation = button->allocation;
 615                 button_allocation.height = parent->allocation.height;
 616                 button_allocation.y = parent->allocation.y +
 617                         (parent->allocation.height - parent->allocation.height) / 2;
 618                 gtk_widget_size_allocate(button, &button_allocation);
 619                 }
 620 }
 621
 622 static GtkWidget *tab_completion_create_complete_button(GtkWidget *entry, GtkWidget *parent)
 623 {
 624         GtkWidget *button;
 625         GtkWidget *icon;
 626         GdkPixbuf *pixbuf;
 627
 628         button = gtk_button_new();
 629         GTK_WIDGET_UNSET_FLAGS(button, GTK_CAN_FOCUS);
 630         g_signal_connect(G_OBJECT(button), "size_allocate",
 631                          G_CALLBACK(tab_completion_button_size_allocate), parent);
 632         g_signal_connect(G_OBJECT(button), "clicked",
 633                          G_CALLBACK(tab_completion_button_pressed), entry);
 634
 635         pixbuf = gdk_pixbuf_new_from_inline(-1, icon_tabcomp, FALSE, NULL);
 636         icon = gtk_image_new_from_pixbuf(pixbuf);
 637         gdk_pixbuf_unref(pixbuf);
 638         gtk_container_add(GTK_CONTAINER(button), icon);
 639         gtk_widget_show(icon);
 640
 641         return button;
 642 }
 643
 644 /*
 645  *----------------------------------------------------------------------------
 646  * public interface
 647  *----------------------------------------------------------------------------
 648  */
 649
 650 GtkWidget *tab_completion_new_with_history(GtkWidget **entry, const gchar *text,
 651                                            const gchar *history_key, gint max_levels,
 652                                            void (*enter_func)(const gchar *, gpointer), gpointer data)
 653 {
 654         GtkWidget *box;
 655         GtkWidget *combo;
 656         GtkWidget *combo_entry;
 657         GtkWidget *button;
 658         GList *work;
 659         TabCompData *td;
 660         gint n = 0;
 661
 662         box = gtk_hbox_new(FALSE, 0);
 663
 664         combo = gtk_combo_box_entry_new_text();
 665         gtk_box_pack_start(GTK_BOX(box), combo, TRUE, TRUE, 0);
 666         gtk_widget_show(combo);
 667
 668         combo_entry = GTK_BIN(combo)->child;
 669 #if 0
 670         gtk_combo_set_case_sensitive(GTK_COMBO(combo), TRUE);
 671         gtk_combo_set_use_arrows(GTK_COMBO(combo), FALSE);
 672 #endif
 673
 674         button = tab_completion_create_complete_button(combo_entry, combo);
 675         gtk_box_pack_start(GTK_BOX(box), button, FALSE, FALSE, 0);
 676         gtk_widget_show(button);
 677
 678         tab_completion_add_to_entry(combo_entry, enter_func, data);
 679
 680         td = g_object_get_data(G_OBJECT(combo_entry), "tab_completion_data");
 681         if (!td) return NULL; /* this should never happen! */
 682
 683         td->combo = combo;
 684         td->has_history = TRUE;
 685         td->history_key = g_strdup(history_key);
 686         td->history_levels = max_levels;
 687
 688         work = history_list_get_by_key(td->history_key);
 689
 690         work = history_list_get_by_key(history_key);
 691         while (work)
 692                 {
 693                 gtk_combo_box_append_text(GTK_COMBO_BOX(combo), (gchar *)work->data);
 694                 work = work->next;
 695                 n++;
 696                 }
 697
 698         if (text)
 699                 {
 700                 gtk_entry_set_text(GTK_ENTRY(combo_entry), text);
 701                 }
 702         else if (n > 0)
 703                 {
 704                 gtk_combo_box_set_active(GTK_COMBO_BOX(combo), 0);
 705                 }
 706
 707         if (entry) *entry = combo_entry;
 708         return box;
 709 }
 710
 711 const gchar *tab_completion_set_to_last_history(GtkWidget *entry)
 712 {
 713         TabCompData *td = g_object_get_data(G_OBJECT(entry), "tab_completion_data");
 714         const gchar *buf;
 715
 716         if (!td || !td->has_history) return NULL;
 717
 718         buf = history_list_find_last_path_by_key(td->history_key);
 719         if (buf)
 720                 {
 721                 gtk_entry_set_text(GTK_ENTRY(td->entry), buf);
 722                 }
 723
 724         return buf;
 725 }
 726
 727 void tab_completion_append_to_history(GtkWidget *entry, const gchar *path)
 728 {
 729         TabCompData *td;
 730         GtkTreeModel *store;
 731         GList *work;
 732
 733         td = g_object_get_data(G_OBJECT(entry), "tab_completion_data");
 734
 735         if (!path) return;
 736
 737         if (!td || !td->has_history) return;
 738
 739         history_list_add_to_key(td->history_key, path, td->history_levels);
 740
 741         gtk_combo_box_set_active(GTK_COMBO_BOX(td->combo), -1);
 742
 743         store = gtk_combo_box_get_model(GTK_COMBO_BOX(td->combo));
 744         gtk_list_store_clear(GTK_LIST_STORE(store));
 745
 746         work = history_list_get_by_key(td->history_key);
 747         while (work)
 748                 {
 749                 gtk_combo_box_append_text(GTK_COMBO_BOX(td->combo), (gchar *)work->data);
 750                 work = work->next;
 751                 }
 752 }
 753
 754 GtkWidget *tab_completion_new(GtkWidget **entry, const gchar *text,
 755                               void (*enter_func)(const gchar *, gpointer), gpointer data)
 756 {
 757         GtkWidget *hbox;
 758         GtkWidget *button;
 759         GtkWidget *newentry;
 760
 761         hbox = gtk_hbox_new(FALSE, 0);
 762
 763         newentry = gtk_entry_new();
 764         if (text) gtk_entry_set_text(GTK_ENTRY(newentry), text);
 765         gtk_box_pack_start(GTK_BOX(hbox), newentry, TRUE, TRUE, 0);
 766         gtk_widget_show(newentry);
 767
 768         button = tab_completion_create_complete_button(newentry, newentry);
 769         gtk_box_pack_start(GTK_BOX(hbox), button, FALSE, FALSE, 0);
 770         gtk_widget_show(button);
 771
 772         tab_completion_add_to_entry(newentry, enter_func, data);
 773
 774         if (entry) *entry = newentry;
 775         return hbox;
 776 }
 777
 778 void tab_completion_add_to_entry(GtkWidget *entry, void (*enter_func)(const gchar *, gpointer), gpointer data)
 779 {
 780         TabCompData *td;
 781         if (!entry)
 782                 {
 783                 printf("Tab completion error: entry != NULL\n");
 784                 return;
 785                 }
 786
 787         td = g_new0(TabCompData, 1);
 788         td->entry = entry;
 789         td->dir_path = NULL;
 790         td->file_list = NULL;
 791         td->enter_func = enter_func;
 792         td->enter_data = data;
 793         td->tab_func = NULL;
 794         td->tab_data = NULL;
 795
 796         td->has_history = FALSE;
 797         td->history_key = NULL;
 798         td->history_levels = 0;
 799
 800         g_object_set_data(G_OBJECT(td->entry), "tab_completion_data", td);
 801
 802         g_signal_connect(G_OBJECT(entry), "key_press_event",
 803                          G_CALLBACK(tab_completion_key_pressed), td);
 804         g_signal_connect(G_OBJECT(entry), "destroy",
 805                          G_CALLBACK(tab_completion_destroy), td);
 806 }
 807
 808 void tab_completion_add_tab_func(GtkWidget *entry, void (*tab_func)(const gchar *, gpointer), gpointer data)
 809 {
 810         TabCompData *td = g_object_get_data(G_OBJECT(entry), "tab_completion_data");
 811
 812         if (!td) return;
 813
 814         td->tab_func = tab_func;
 815         td->tab_data = data;
 816 }
 817
 818 gchar *remove_trailing_slash(const gchar *path)
 819 {
 820         gchar *ret;
 821         gint l;
 822         if (!path) return NULL;
 823
 824         ret = g_strdup(path);
 825         l = strlen(ret);
 826         if (l > 1 && ret[l - 1] == '/') ret[l - 1] = '\0';
 827
 828         return ret;
 829 }
 830
 831 static void tab_completion_select_cancel_cb(FileDialog *fd, gpointer data)
 832 {
 833         TabCompData *td = data;
 834
 835         td->fd = NULL;
 836         file_dialog_close(fd);
 837 }
 838
 839 static void tab_completion_select_ok_cb(FileDialog *fd, gpointer data)
 840 {
 841         TabCompData *td = data;
 842
 843         gtk_entry_set_text(GTK_ENTRY(td->entry), gtk_entry_get_text(GTK_ENTRY(fd->entry)));
 844
 845         tab_completion_select_cancel_cb(fd, data);
 846
 847         tab_completion_emit_enter_signal(td);
 848 }
 849
 850 static void tab_completion_select_show(TabCompData *td)
 851 {
 852         const gchar *title;
 853         const gchar *path;
 854
 855         if (td->fd)
 856                 {
 857                 gtk_window_present(GTK_WINDOW(GENERIC_DIALOG(td->fd)->dialog));
 858                 return;
 859                 }
 860
 861         title = (td->fd_title) ? td->fd_title : _("Select path");
 862         td->fd = file_dialog_new(title, PACKAGE, "select_path", td->entry,
 863                                  tab_completion_select_cancel_cb, td);
 864         file_dialog_add_button(td->fd, GTK_STOCK_OK, NULL,
 865                                  tab_completion_select_ok_cb, TRUE);
 866
 867         generic_dialog_add_message(GENERIC_DIALOG(td->fd), NULL, title, NULL);
 868
 869         path = gtk_entry_get_text(GTK_ENTRY(td->entry));
 870         if (strlen(path) == 0) path = NULL;
 871         if (td->fd_folders_only)
 872                 {
 873                 file_dialog_add_path_widgets(td->fd, NULL, path, td->history_key, NULL, NULL);
 874                 }
 875         else
 876                 {
 877                 file_dialog_add_path_widgets(td->fd, NULL, path, td->history_key, "*", _("All files"));
 878                 }
 879
 880         gtk_widget_show(GENERIC_DIALOG(td->fd)->dialog);
 881 }
 882
 883 static void tab_completion_select_pressed(GtkWidget *widget, gpointer data)
 884 {
 885         TabCompData *td = data;
 886
 887         tab_completion_select_show(td);
 888 }
 889
 890 void tab_completion_add_select_button(GtkWidget *entry, const gchar *title, gint folders_only)
 891 {
 892         TabCompData *td;
 893         GtkWidget *parent;
 894         GtkWidget *hbox;
 895
 896         td = g_object_get_data(G_OBJECT(entry), "tab_completion_data");
 897
 898         if (!td) return;
 899
 900         g_free(td->fd_title);
 901         td->fd_title = g_strdup(title);
 902         td->fd_folders_only = folders_only;
 903
 904         if (td->fd_button) return;
 905
 906         parent = (td->combo) ? td->combo : td->entry;
 907
 908         hbox = gtk_widget_get_parent(parent);
 909         if (!GTK_IS_BOX(hbox)) return;
 910
 911         td->fd_button = gtk_button_new_with_label("...");
 912         g_signal_connect(G_OBJECT(td->fd_button), "size_allocate",
 913                          G_CALLBACK(tab_completion_button_size_allocate), parent);
 914         g_signal_connect(G_OBJECT(td->fd_button), "clicked",
 915                          G_CALLBACK(tab_completion_select_pressed), td);
 916
 917         gtk_box_pack_start(GTK_BOX(hbox), td->fd_button, FALSE, FALSE, 0);
 918
 919         gtk_widget_show(td->fd_button);
 920 }
 921