src/ui_tabcomp.c

   1 /*
   2  * (SLIK) SimpLIstic sKin functions
   3  * (C) 2006 John Ellis
   4  * Copyright (C) 2008 The Geeqie Team
   5  *
   6  * Author: John Ellis
   7  *
   8  * This software is released under the GNU General Public License (GNU GPL).
   9  * Please read the included file COPYING for more information.
  10  * This software comes with no warranty of any kind, use at your own risk!
  11  */
  12
  13 #ifdef HAVE_CONFIG_H
  14 #  include "config.h"
  15 #endif
  16 #include "intl.h"
  17
  18 #include <stdio.h>
  19 #include <stdlib.h>
  20 #include <string.h>
  21 #include <unistd.h>
  22 #include <sys/types.h>
  23 #include <dirent.h>
  24
  25 #include <gdk/gdk.h>
  26 #include <gtk/gtk.h>
  27 #include <gdk-pixbuf/gdk-pixbuf.h>
  28
  29 #include "main.h"
  30 #include "ui_tabcomp.h"
  31
  32 #include "ui_bookmark.h"
  33 #include "ui_fileops.h"
  34 #include "ui_spinner.h"
  35 #include "ui_utildlg.h"
  36
  37 #include <gdk/gdkkeysyms.h> /* for key values */
  38
  39
  40 /* define this to enable a pop-up menu that shows possible matches
  41  * #define TAB_COMPLETION_ENABLE_POPUP_MENU
  42  */
  43 #define TAB_COMPLETION_ENABLE_POPUP_MENU 1
  44 #define TAB_COMP_POPUP_MAX 500
  45
  46 #ifdef TAB_COMPLETION_ENABLE_POPUP_MENU
  47 #include "ui_menu.h"
  48 #endif
  49
  50
  51 /* ----------------------------------------------------------------
  52    Tab completion routines, can be connected to any gtkentry widget
  53    using the tab_completion_add_to_entry() function.
  54    Use remove_trailing_slash() to strip the trailing '/'.
  55    ----------------------------------------------------------------*/
  56
  57 typedef struct _TabCompData TabCompData;
  58 struct _TabCompData
  59 {
  60         GtkWidget *entry;
  61         gchar *dir_path;
  62         GList *file_list;
  63         void (*enter_func)(const gchar *, gpointer);
  64         void (*tab_func)(const gchar *, gpointer);
  65         gpointer enter_data;
  66         gpointer tab_data;
  67
  68         GtkWidget *combo;
  69         gint has_history;
  70         gchar *history_key;
  71         gint history_levels;
  72
  73         FileDialog *fd;
  74         gchar *fd_title;
  75         gint fd_folders_only;
  76         GtkWidget *fd_button;
  77 };
  78
  79
  80 static void tab_completion_select_show(TabCompData *td);
  81
  82 static void tab_completion_free_list(TabCompData *td)
  83 {
  84         GList *list;
  85
  86         g_free(td->dir_path);
  87         td->dir_path = NULL;
  88
  89         list = td->file_list;
  90
  91         while (list)
  92                 {
  93                 g_free(list->data);
  94                 list = list->next;
  95                 }
  96
  97         g_list_free(td->file_list);
  98         td->file_list = NULL;
  99 }
 100
 101 static void tab_completion_read_dir(TabCompData *td, const gchar *path)
 102 {
 103         DIR *dp;
 104         struct dirent *dir;
 105         GList *list = NULL;
 106         gchar *pathl;
 107
 108         tab_completion_free_list(td);
 109
 110         pathl = path_from_utf8(path);
 111         dp = opendir(pathl);
 112         g_free(pathl);
 113         if (!dp)
 114                 {
 115                 /* dir not found */
 116                 return;
 117                 }
 118         while ((dir = readdir(dp)) != NULL)
 119                 {
 120                 gchar *name = dir->d_name;
 121                 if (strcmp(name, ".") != 0 && strcmp(name, "..") != 0)
 122                         {
 123                         list = g_list_prepend(list, path_to_utf8(name));
 124                         }
 125                 }
 126         closedir(dp);
 127
 128         td->dir_path = g_strdup(path);
 129         td->file_list = list;
 130 }
 131
 132 static void tab_completion_destroy(GtkWidget *widget, gpointer data)
 133 {
 134         TabCompData *td = data;
 135
 136         tab_completion_free_list(td);
 137         g_free(td->history_key);
 138
 139         if (td->fd) file_dialog_close(td->fd);
 140         g_free(td->fd_title);
 141
 142         g_free(td);
 143 }
 144
 145 static gint tab_completion_emit_enter_signal(TabCompData *td)
 146 {
 147         gchar *text;
 148         if (!td->enter_func) return FALSE;
 149
 150         text = g_strdup(gtk_entry_get_text(GTK_ENTRY(td->entry)));
 151
 152         if (text[0] == '~')
 153                 {
 154                 gchar *t = text;
 155                 text = expand_tilde(text);
 156                 g_free(t);
 157                 }
 158
 159         td->enter_func(text, td->enter_data);
 160         g_free(text);
 161
 162         return TRUE;
 163 }
 164
 165 static void tab_completion_emit_tab_signal(TabCompData *td)
 166 {
 167         gchar *text;
 168         if (!td->tab_func) return;
 169
 170         text = g_strdup(gtk_entry_get_text(GTK_ENTRY(td->entry)));
 171
 172         if (text[0] == '~')
 173                 {
 174                 gchar *t = text;
 175                 text = expand_tilde(text);
 176                 g_free(t);
 177                 }
 178
 179         td->tab_func(text, td->tab_data);
 180         g_free(text);
 181 }
 182
 183 #ifdef TAB_COMPLETION_ENABLE_POPUP_MENU
 184
 185 static gint tab_completion_popup_key_press(GtkWidget *widget, GdkEventKey *event, gpointer data)
 186 {
 187         TabCompData *td = data;
 188
 189         if (event->keyval == GDK_Tab ||
 190             event->keyval == GDK_BackSpace ||
 191             (event->keyval >= 0x20 && event->keyval <= 0xFF) )
 192                 {
 193                 if (event->keyval >= 0x20 && event->keyval <= 0xFF)
 194                         {
 195                         gchar buf[2];
 196                         gint p = -1;
 197
 198                         buf[0] = event->keyval;
 199                         buf[1] = '\0';
 200                         gtk_editable_insert_text(GTK_EDITABLE(td->entry), buf, 1, &p);
 201                         gtk_editable_set_position(GTK_EDITABLE(td->entry), -1);
 202                         }
 203
 204                 /*close the menu */
 205                 gtk_menu_popdown(GTK_MENU(widget));
 206                 /* doing this does not emit the "selection done" signal, unref it ourselves */
 207                 gtk_widget_unref(widget);
 208
 209                 return TRUE;
 210                 }
 211
 212         return FALSE;
 213 }
 214
 215 static void tab_completion_popup_cb(GtkWidget *widget, gpointer data)
 216 {
 217         gchar *name = data;
 218         TabCompData *td;
 219         gchar *buf;
 220
 221         td = g_object_get_data(G_OBJECT(widget), "tab_completion_data");
 222         if (!td) return;
 223
 224         buf = g_build_filename(td->dir_path, name, NULL);
 225         gtk_entry_set_text(GTK_ENTRY(td->entry), buf);
 226         gtk_editable_set_position(GTK_EDITABLE(td->entry), strlen(buf));
 227         g_free(buf);
 228
 229         tab_completion_emit_tab_signal(td);
 230 }
 231
 232 static void tab_completion_popup_pos_cb(GtkMenu *menu, gint *x, gint *y, gboolean *push_in, gpointer data)
 233 {
 234         TabCompData *td = data;
 235         gint height;
 236         PangoLayout *layout;
 237         PangoRectangle strong_pos, weak_pos;
 238         gint length;
 239         gint xoffset, yoffset;
 240         GtkRequisition req;
 241         GdkScreen *screen;
 242         gint monitor_num;
 243         GdkRectangle monitor;
 244
 245         gdk_window_get_origin(td->entry->window, x, y);
 246
 247         screen = gtk_widget_get_screen(GTK_WIDGET(menu));
 248         monitor_num = gdk_screen_get_monitor_at_window(screen, td->entry->window);
 249         gdk_screen_get_monitor_geometry(screen, monitor_num, &monitor);
 250
 251         gtk_widget_size_request(GTK_WIDGET(menu), &req);
 252
 253         length = strlen(gtk_entry_get_text(GTK_ENTRY(td->entry)));
 254         gtk_entry_get_layout_offsets(GTK_ENTRY(td->entry), &xoffset, &yoffset);
 255
 256         layout = gtk_entry_get_layout(GTK_ENTRY(td->entry));
 257         pango_layout_get_cursor_pos(layout, length, &strong_pos, &weak_pos);
 258
 259         *x += strong_pos.x / PANGO_SCALE + xoffset;
 260
 261         height = MIN(td->entry->requisition.height, td->entry->allocation.height);
 262
 263         if (req.height > monitor.y + monitor.height - *y - height &&
 264             *y - monitor.y >  monitor.y + monitor.height - *y)
 265                 {
 266                 height = MIN(*y - monitor.y, req.height);
 267                 gtk_widget_set_size_request(GTK_WIDGET(menu), -1, height);
 268                 *y -= height;
 269                 }
 270         else
 271                 {
 272                 *y += height;
 273                 }
 274 }
 275
 276 static void tab_completion_popup_list(TabCompData *td, GList *list)
 277 {
 278         GtkWidget *menu;
 279         GList *work;
 280         GdkEvent *event;
 281         guint32 etime;
 282         gint ebutton;
 283         gint count = 0;
 284
 285         if (!list) return;
 286
 287 #if 0
 288         /*
 289          * well, the menu would be too long anyway...
 290          * (listing /dev causes gtk+ window allocation errors, -> too big a window)
 291          * this is why menu popups are disabled, this really should be a popup scrollable listview.
 292          */
 293         if (g_list_length(list) > 200) return;
 294 #endif
 295
 296         menu = popup_menu_short_lived();
 297
 298         work = list;
 299         while (work && count < TAB_COMP_POPUP_MAX)
 300                 {
 301                 gchar *name = work->data;
 302                 GtkWidget *item;
 303
 304                 item = menu_item_add_simple(menu, name, G_CALLBACK(tab_completion_popup_cb), name);
 305                 g_object_set_data(G_OBJECT(item), "tab_completion_data", td);
 306
 307                 work = work->next;
 308                 count++;
 309                 }
 310
 311         g_signal_connect(G_OBJECT(menu), "key_press_event",
 312                          G_CALLBACK(tab_completion_popup_key_press), td);
 313
 314         /* peek at the current event to get the time, etc. */
 315         event = gtk_get_current_event();
 316
 317         if (event && event->type == GDK_BUTTON_RELEASE)
 318                 {
 319                 ebutton = event->button.button;
 320                 }
 321         else
 322                 {
 323                 ebutton = 0;
 324                 }
 325
 326         if (event)
 327                 {
 328                 etime = gdk_event_get_time(event);
 329                 gdk_event_free(event);
 330                 }
 331         else
 332                 {
 333                 etime = 0;
 334                 }
 335
 336         gtk_menu_popup(GTK_MENU(menu), NULL, NULL,
 337                        tab_completion_popup_pos_cb, td, ebutton, etime);
 338 }
 339
 340 #ifndef CASE_SORT
 341 #define CASE_SORT strcmp
 342 #endif
 343
 344 static gint simple_sort(gconstpointer a, gconstpointer b)
 345 {
 346         return CASE_SORT((gchar *)a, (gchar *)b);
 347 }
 348
 349 #endif
 350
 351 static gint tab_completion_do(TabCompData *td)
 352 {
 353         const gchar *entry_text = gtk_entry_get_text(GTK_ENTRY(td->entry));
 354         const gchar *entry_file;
 355         gchar *entry_dir;
 356         gchar *ptr;
 357         gint home_exp = FALSE;
 358
 359         /* home dir expansion */
 360         if (entry_text[0] == '~')
 361                 {
 362                 entry_dir = expand_tilde(entry_text);
 363                 home_exp = TRUE;
 364                 }
 365         else
 366                 {
 367                 entry_dir = g_strdup(entry_text);
 368                 }
 369
 370         entry_file = filename_from_path(entry_text);
 371
 372         if (isfile(entry_dir))
 373                 {
 374                 if (home_exp)
 375                         {
 376                         gtk_entry_set_text(GTK_ENTRY(td->entry), entry_dir);
 377                         gtk_editable_set_position(GTK_EDITABLE(td->entry), strlen(entry_dir));
 378                         }
 379                 g_free(entry_dir);
 380                 return home_exp;
 381                 }
 382         if (isdir(entry_dir) && strcmp(entry_file, ".") != 0 && strcmp(entry_file, "..") != 0)
 383                 {
 384                 ptr = entry_dir + strlen(entry_dir) - 1;
 385                 if (ptr[0] == '/')
 386                         {
 387                         if (home_exp)
 388                                 {
 389                                 gtk_entry_set_text(GTK_ENTRY(td->entry), entry_dir);
 390                                 gtk_editable_set_position(GTK_EDITABLE(td->entry), strlen(entry_dir));
 391                                 }
 392
 393                         tab_completion_read_dir(td, entry_dir);
 394                         td->file_list = g_list_sort(td->file_list, simple_sort);
 395                         if (td->file_list && !td->file_list->next)
 396                                 {
 397                                 gchar *buf;
 398                                 const gchar *file;
 399
 400                                 file = td->file_list->data;
 401                                 buf = g_strconcat(entry_dir, file, NULL);
 402                                 if (isdir(buf))
 403                                         {
 404                                         g_free(buf);
 405                                         buf = g_strconcat(entry_dir, file, "/", NULL);
 406                                         }
 407                                 gtk_entry_set_text(GTK_ENTRY(td->entry), buf);
 408                                 gtk_editable_set_position(GTK_EDITABLE(td->entry), strlen(buf));
 409                                 g_free(buf);
 410                                 }
 411
 412 #ifdef TAB_COMPLETION_ENABLE_POPUP_MENU
 413
 414                         else
 415                                 {
 416                                 tab_completion_popup_list(td, td->file_list);
 417                                 }
 418 #endif
 419
 420                         g_free(entry_dir);
 421                         return home_exp;
 422                         }
 423                 else
 424                         {
 425                         gchar *buf = g_strconcat(entry_dir, "/", NULL);
 426                         gtk_entry_set_text(GTK_ENTRY(td->entry), buf);
 427                         gtk_editable_set_position(GTK_EDITABLE(td->entry), strlen(buf));
 428                         g_free(buf);
 429                         g_free(entry_dir);
 430                         return TRUE;
 431                         }
 432                 }
 433
 434         ptr = (gchar *)filename_from_path(entry_dir);
 435         if (ptr > entry_dir) ptr--;
 436         ptr[0] = '\0';
 437
 438         if (strlen(entry_dir) == 0)
 439                 {
 440                 g_free(entry_dir);
 441                 entry_dir = g_strdup("/");
 442                 }
 443
 444         if (isdir(entry_dir))
 445                 {
 446                 GList *list;
 447                 GList *poss = NULL;
 448                 gint l = strlen(entry_file);
 449
 450                 if (!td->dir_path || !td->file_list || strcmp(td->dir_path, entry_dir) != 0)
 451                         {
 452                         tab_completion_read_dir(td, entry_dir);
 453                         }
 454
 455                 if (strcmp(entry_dir, "/") == 0) entry_dir[0] = '\0';
 456
 457                 list = td->file_list;
 458                 while (list)
 459                         {
 460                         gchar *file = list->data;
 461                         if (strncmp(entry_file, file, l) == 0)
 462                                 {
 463                                 poss = g_list_prepend(poss, file);
 464                                 }
 465                         list = list->next;
 466                         }
 467
 468                 if (poss)
 469                         {
 470                         if (!poss->next)
 471                                 {
 472                                 gchar *file = poss->data;
 473                                 gchar *buf;
 474
 475                                 buf = g_strconcat(entry_dir, "/", file, NULL);
 476
 477                                 if (isdir(buf))
 478                                         {
 479                                         g_free(buf);
 480                                         buf = g_strconcat(entry_dir, "/", file, "/", NULL);
 481                                         }
 482                                 gtk_entry_set_text(GTK_ENTRY(td->entry), buf);
 483                                 gtk_editable_set_position(GTK_EDITABLE(td->entry), strlen(buf));
 484                                 g_free(buf);
 485                                 g_list_free(poss);
 486                                 g_free(entry_dir);
 487                                 return TRUE;
 488                                 }
 489                         else
 490                                 {
 491                                 gint c = strlen(entry_file);
 492                                 gint done = FALSE;
 493                                 gchar *test_file = poss->data;
 494
 495                                 while (!done)
 496                                         {
 497                                         list = poss;
 498                                         if (!list) done = TRUE;
 499                                         while (list && !done)
 500                                                 {
 501                                                 gchar *file = list->data;
 502                                                 if (strlen(file) < c || strncmp(test_file, file, c) != 0)
 503                                                         {
 504                                                         done = TRUE;
 505                                                         }
 506                                                 list = list->next;
 507                                                 }
 508                                         c++;
 509                                         }
 510                                 c -= 2;
 511                                 if (c > 0)
 512                                         {
 513                                         gchar *file;
 514                                         gchar *buf;
 515                                         file = g_strdup(test_file);
 516                                         file[c] = '\0';
 517                                         buf = g_strconcat(entry_dir, "/", file, NULL);
 518                                         gtk_entry_set_text(GTK_ENTRY(td->entry), buf);
 519                                         gtk_editable_set_position(GTK_EDITABLE(td->entry), strlen(buf));
 520
 521 #ifdef TAB_COMPLETION_ENABLE_POPUP_MENU
 522
 523                                         poss = g_list_sort(poss, simple_sort);
 524                                         tab_completion_popup_list(td, poss);
 525
 526 #endif
 527
 528                                         g_free(file);
 529                                         g_free(buf);
 530                                         g_list_free(poss);
 531                                         g_free(entry_dir);
 532                                         return TRUE;
 533                                         }
 534                                 }
 535                         g_list_free(poss);
 536                         }
 537                 }
 538
 539         g_free(entry_dir);
 540
 541         return FALSE;
 542 }
 543
 544 static gint tab_completion_key_pressed(GtkWidget *widget, GdkEventKey *event, gpointer data)
 545 {
 546         TabCompData *td = data;
 547         gint stop_signal = FALSE;
 548
 549         switch (event->keyval)
 550                 {
 551                 case GDK_Tab:
 552                         if (!(event->state & GDK_CONTROL_MASK))
 553                                 {
 554                                 if (tab_completion_do(td))
 555                                         {
 556                                         tab_completion_emit_tab_signal(td);
 557                                         }
 558                                 stop_signal = TRUE;
 559                                 }
 560                         break;
 561                 case GDK_Return: case GDK_KP_Enter:
 562                         if (td->fd_button &&
 563                             (event->state & GDK_CONTROL_MASK))
 564                                 {
 565                                 tab_completion_select_show(td);
 566                                 stop_signal = TRUE;
 567                                 }
 568                         else if (tab_completion_emit_enter_signal(td))
 569                                 {
 570                                 stop_signal = TRUE;
 571                                 }
 572                         break;
 573                 default:
 574                         break;
 575                 }
 576
 577         if (stop_signal) g_signal_stop_emission_by_name(G_OBJECT(widget), "key_press_event");
 578
 579         return (stop_signal);
 580 }
 581
 582 static void tab_completion_button_pressed(GtkWidget *widget, gpointer data)
 583 {
 584         TabCompData *td;
 585         GtkWidget *entry = data;
 586
 587         td = g_object_get_data(G_OBJECT(entry), "tab_completion_data");
 588
 589         if (!td) return;
 590
 591         if (!GTK_WIDGET_HAS_FOCUS(entry))
 592                 {
 593                 gtk_widget_grab_focus(entry);
 594                 }
 595
 596         if (tab_completion_do(td))
 597                 {
 598                 tab_completion_emit_tab_signal(td);
 599                 }
 600 }
 601
 602 static void tab_completion_button_size_allocate(GtkWidget *button, GtkAllocation *allocation, gpointer data)
 603 {
 604         GtkWidget *parent = data;
 605
 606         if (allocation->height > parent->allocation.height)
 607                 {
 608                 GtkAllocation button_allocation;
 609
 610                 button_allocation = button->allocation;
 611                 button_allocation.height = parent->allocation.height;
 612                 button_allocation.y = parent->allocation.y +
 613                         (parent->allocation.height - parent->allocation.height) / 2;
 614                 gtk_widget_size_allocate(button, &button_allocation);
 615                 }
 616 }
 617
 618 static GtkWidget *tab_completion_create_complete_button(GtkWidget *entry, GtkWidget *parent)
 619 {
 620         GtkWidget *button;
 621         GtkWidget *icon;
 622         GdkPixbuf *pixbuf;
 623
 624         button = gtk_button_new();
 625         GTK_WIDGET_UNSET_FLAGS(button, GTK_CAN_FOCUS);
 626         g_signal_connect(G_OBJECT(button), "size_allocate",
 627                          G_CALLBACK(tab_completion_button_size_allocate), parent);
 628         g_signal_connect(G_OBJECT(button), "clicked",
 629                          G_CALLBACK(tab_completion_button_pressed), entry);
 630
 631         pixbuf = gdk_pixbuf_new_from_inline(-1, icon_tabcomp, FALSE, NULL);
 632         icon = gtk_image_new_from_pixbuf(pixbuf);
 633         gdk_pixbuf_unref(pixbuf);
 634         gtk_container_add(GTK_CONTAINER(button), icon);
 635         gtk_widget_show(icon);
 636
 637         return button;
 638 }
 639
 640 /*
 641  *----------------------------------------------------------------------------
 642  * public interface
 643  *----------------------------------------------------------------------------
 644  */
 645
 646 GtkWidget *tab_completion_new_with_history(GtkWidget **entry, const gchar *text,
 647                                            const gchar *history_key, gint max_levels,
 648                                            void (*enter_func)(const gchar *, gpointer), gpointer data)
 649 {
 650         GtkWidget *box;
 651         GtkWidget *combo;
 652         GtkWidget *combo_entry;
 653         GtkWidget *button;
 654         GList *work;
 655         TabCompData *td;
 656         gint n = 0;
 657
 658         box = gtk_hbox_new(FALSE, 0);
 659
 660         combo = gtk_combo_box_entry_new_text();
 661         gtk_box_pack_start(GTK_BOX(box), combo, TRUE, TRUE, 0);
 662         gtk_widget_show(combo);
 663
 664         combo_entry = GTK_BIN(combo)->child;
 665 #if 0
 666         gtk_combo_set_case_sensitive(GTK_COMBO(combo), TRUE);
 667         gtk_combo_set_use_arrows(GTK_COMBO(combo), FALSE);
 668 #endif
 669
 670         button = tab_completion_create_complete_button(combo_entry, combo);
 671         gtk_box_pack_start(GTK_BOX(box), button, FALSE, FALSE, 0);
 672         gtk_widget_show(button);
 673
 674         tab_completion_add_to_entry(combo_entry, enter_func, data);
 675
 676         td = g_object_get_data(G_OBJECT(combo_entry), "tab_completion_data");
 677         if (!td) return NULL; /* this should never happen! */
 678
 679         td->combo = combo;
 680         td->has_history = TRUE;
 681         td->history_key = g_strdup(history_key);
 682         td->history_levels = max_levels;
 683
 684         work = history_list_get_by_key(td->history_key);
 685
 686         work = history_list_get_by_key(history_key);
 687         while (work)
 688                 {
 689                 gtk_combo_box_append_text(GTK_COMBO_BOX(combo), (gchar *)work->data);
 690                 work = work->next;
 691                 n++;
 692                 }
 693
 694         if (text)
 695                 {
 696                 gtk_entry_set_text(GTK_ENTRY(combo_entry), text);
 697                 }
 698         else if (n > 0)
 699                 {
 700                 gtk_combo_box_set_active(GTK_COMBO_BOX(combo), 0);
 701                 }
 702
 703         if (entry) *entry = combo_entry;
 704         return box;
 705 }
 706
 707 const gchar *tab_completion_set_to_last_history(GtkWidget *entry)
 708 {
 709         TabCompData *td = g_object_get_data(G_OBJECT(entry), "tab_completion_data");
 710         const gchar *buf;
 711
 712         if (!td || !td->has_history) return NULL;
 713
 714         buf = history_list_find_last_path_by_key(td->history_key);
 715         if (buf)
 716                 {
 717                 gtk_entry_set_text(GTK_ENTRY(td->entry), buf);
 718                 }
 719
 720         return buf;
 721 }
 722
 723 void tab_completion_append_to_history(GtkWidget *entry, const gchar *path)
 724 {
 725         TabCompData *td;
 726         GtkTreeModel *store;
 727         GList *work;
 728
 729         td = g_object_get_data(G_OBJECT(entry), "tab_completion_data");
 730
 731         if (!path) return;
 732
 733         if (!td || !td->has_history) return;
 734
 735         history_list_add_to_key(td->history_key, path, td->history_levels);
 736
 737         gtk_combo_box_set_active(GTK_COMBO_BOX(td->combo), -1);
 738
 739         store = gtk_combo_box_get_model(GTK_COMBO_BOX(td->combo));
 740         gtk_list_store_clear(GTK_LIST_STORE(store));
 741
 742         work = history_list_get_by_key(td->history_key);
 743         while (work)
 744                 {
 745                 gtk_combo_box_append_text(GTK_COMBO_BOX(td->combo), (gchar *)work->data);
 746                 work = work->next;
 747                 }
 748 }
 749
 750 GtkWidget *tab_completion_new(GtkWidget **entry, const gchar *text,
 751                               void (*enter_func)(const gchar *, gpointer), gpointer data)
 752 {
 753         GtkWidget *hbox;
 754         GtkWidget *button;
 755         GtkWidget *newentry;
 756
 757         hbox = gtk_hbox_new(FALSE, 0);
 758
 759         newentry = gtk_entry_new();
 760         if (text) gtk_entry_set_text(GTK_ENTRY(newentry), text);
 761         gtk_box_pack_start(GTK_BOX(hbox), newentry, TRUE, TRUE, 0);
 762         gtk_widget_show(newentry);
 763
 764         button = tab_completion_create_complete_button(newentry, newentry);
 765         gtk_box_pack_start(GTK_BOX(hbox), button, FALSE, FALSE, 0);
 766         gtk_widget_show(button);
 767
 768         tab_completion_add_to_entry(newentry, enter_func, data);
 769
 770         if (entry) *entry = newentry;
 771         return hbox;
 772 }
 773
 774 void tab_completion_add_to_entry(GtkWidget *entry, void (*enter_func)(const gchar *, gpointer), gpointer data)
 775 {
 776         TabCompData *td;
 777         if (!entry)
 778                 {
 779                 log_printf("Tab completion error: entry != NULL\n");
 780                 return;
 781                 }
 782
 783         td = g_new0(TabCompData, 1);
 784         td->entry = entry;
 785         td->dir_path = NULL;
 786         td->file_list = NULL;
 787         td->enter_func = enter_func;
 788         td->enter_data = data;
 789         td->tab_func = NULL;
 790         td->tab_data = NULL;
 791
 792         td->has_history = FALSE;
 793         td->history_key = NULL;
 794         td->history_levels = 0;
 795
 796         g_object_set_data(G_OBJECT(td->entry), "tab_completion_data", td);
 797
 798         g_signal_connect(G_OBJECT(entry), "key_press_event",
 799                          G_CALLBACK(tab_completion_key_pressed), td);
 800         g_signal_connect(G_OBJECT(entry), "destroy",
 801                          G_CALLBACK(tab_completion_destroy), td);
 802 }
 803
 804 void tab_completion_add_tab_func(GtkWidget *entry, void (*tab_func)(const gchar *, gpointer), gpointer data)
 805 {
 806         TabCompData *td = g_object_get_data(G_OBJECT(entry), "tab_completion_data");
 807
 808         if (!td) return;
 809
 810         td->tab_func = tab_func;
 811         td->tab_data = data;
 812 }
 813
 814 gchar *remove_trailing_slash(const gchar *path)
 815 {
 816         gint l;
 817
 818         if (!path) return NULL;
 819
 820         l = strlen(path);
 821         while (l > 1 && path[l - 1] == '/') l--;
 822
 823         return g_strndup(path, l);
 824 }
 825
 826 static void tab_completion_select_cancel_cb(FileDialog *fd, gpointer data)
 827 {
 828         TabCompData *td = data;
 829
 830         td->fd = NULL;
 831         file_dialog_close(fd);
 832 }
 833
 834 static void tab_completion_select_ok_cb(FileDialog *fd, gpointer data)
 835 {
 836         TabCompData *td = data;
 837
 838         gtk_entry_set_text(GTK_ENTRY(td->entry), gtk_entry_get_text(GTK_ENTRY(fd->entry)));
 839
 840         tab_completion_select_cancel_cb(fd, data);
 841
 842         tab_completion_emit_enter_signal(td);
 843 }
 844
 845 static void tab_completion_select_show(TabCompData *td)
 846 {
 847         const gchar *title;
 848         const gchar *path;
 849
 850         if (td->fd)
 851                 {
 852                 gtk_window_present(GTK_WINDOW(GENERIC_DIALOG(td->fd)->dialog));
 853                 return;
 854                 }
 855
 856         title = (td->fd_title) ? td->fd_title : _("Select path");
 857         td->fd = file_dialog_new(title, GQ_WMCLASS, "select_path", td->entry,
 858                                  tab_completion_select_cancel_cb, td);
 859         file_dialog_add_button(td->fd, GTK_STOCK_OK, NULL,
 860                                  tab_completion_select_ok_cb, TRUE);
 861
 862         generic_dialog_add_message(GENERIC_DIALOG(td->fd), NULL, title, NULL);
 863
 864         path = gtk_entry_get_text(GTK_ENTRY(td->entry));
 865         if (strlen(path) == 0) path = NULL;
 866         if (td->fd_folders_only)
 867                 {
 868                 file_dialog_add_path_widgets(td->fd, NULL, path, td->history_key, NULL, NULL);
 869                 }
 870         else
 871                 {
 872                 file_dialog_add_path_widgets(td->fd, NULL, path, td->history_key, "*", _("All files"));
 873                 }
 874
 875         gtk_widget_show(GENERIC_DIALOG(td->fd)->dialog);
 876 }
 877
 878 static void tab_completion_select_pressed(GtkWidget *widget, gpointer data)
 879 {
 880         TabCompData *td = data;
 881
 882         tab_completion_select_show(td);
 883 }
 884
 885 void tab_completion_add_select_button(GtkWidget *entry, const gchar *title, gint folders_only)
 886 {
 887         TabCompData *td;
 888         GtkWidget *parent;
 889         GtkWidget *hbox;
 890
 891         td = g_object_get_data(G_OBJECT(entry), "tab_completion_data");
 892
 893         if (!td) return;
 894
 895         g_free(td->fd_title);
 896         td->fd_title = g_strdup(title);
 897         td->fd_folders_only = folders_only;
 898
 899         if (td->fd_button) return;
 900
 901         parent = (td->combo) ? td->combo : td->entry;
 902
 903         hbox = gtk_widget_get_parent(parent);
 904         if (!GTK_IS_BOX(hbox)) return;
 905
 906         td->fd_button = gtk_button_new_with_label("...");
 907         g_signal_connect(G_OBJECT(td->fd_button), "size_allocate",
 908                          G_CALLBACK(tab_completion_button_size_allocate), parent);
 909         g_signal_connect(G_OBJECT(td->fd_button), "clicked",
 910                          G_CALLBACK(tab_completion_select_pressed), td);
 911
 912         gtk_box_pack_start(GTK_BOX(hbox), td->fd_button, FALSE, FALSE, 0);
 913
 914         gtk_widget_show(td->fd_button);
 915 }