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 "history_list.h"
  33 #include "misc.h"       /* expand_tilde() */
  34 #include "ui_fileops.h"
  35 #include "ui_spinner.h"
  36 #include "ui_utildlg.h"
  37
  38 #include <gdk/gdkkeysyms.h> /* for key values */
  39
  40
  41 /* define this to enable a pop-up menu that shows possible matches
  42  * #define TAB_COMPLETION_ENABLE_POPUP_MENU
  43  */
  44 #define TAB_COMPLETION_ENABLE_POPUP_MENU 1
  45 #define TAB_COMP_POPUP_MAX 500
  46
  47 #ifdef TAB_COMPLETION_ENABLE_POPUP_MENU
  48 #include "ui_menu.h"
  49 #endif
  50
  51
  52 /* ----------------------------------------------------------------
  53    Tab completion routines, can be connected to any gtkentry widget
  54    using the tab_completion_add_to_entry() function.
  55    Use remove_trailing_slash() to strip the trailing G_DIR_SEPARATOR.
  56    ----------------------------------------------------------------*/
  57
  58 typedef struct _TabCompData TabCompData;
  59 struct _TabCompData
  60 {
  61         GtkWidget *entry;
  62         gchar *dir_path;
  63         GList *file_list;
  64         void (*enter_func)(const gchar *, gpointer);
  65         void (*tab_func)(const gchar *, gpointer);
  66         gpointer enter_data;
  67         gpointer tab_data;
  68
  69         GtkWidget *combo;
  70         gint has_history;
  71         gchar *history_key;
  72         gint history_levels;
  73
  74         FileDialog *fd;
  75         gchar *fd_title;
  76         gint fd_folders_only;
  77         GtkWidget *fd_button;
  78 };
  79
  80
  81 static void tab_completion_select_show(TabCompData *td);
  82
  83 static void tab_completion_free_list(TabCompData *td)
  84 {
  85         GList *list;
  86
  87         g_free(td->dir_path);
  88         td->dir_path = NULL;
  89
  90         list = td->file_list;
  91
  92         while (list)
  93                 {
  94                 g_free(list->data);
  95                 list = list->next;
  96                 }
  97
  98         g_list_free(td->file_list);
  99         td->file_list = NULL;
 100 }
 101
 102 static void tab_completion_read_dir(TabCompData *td, const gchar *path)
 103 {
 104         DIR *dp;
 105         struct dirent *dir;
 106         GList *list = NULL;
 107         gchar *pathl;
 108
 109         tab_completion_free_list(td);
 110
 111         pathl = path_from_utf8(path);
 112         dp = opendir(pathl);
 113         g_free(pathl);
 114         if (!dp)
 115                 {
 116                 /* dir not found */
 117                 return;
 118                 }
 119         while ((dir = readdir(dp)) != NULL)
 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         closedir(dp);
 128
 129         td->dir_path = g_strdup(path);
 130         td->file_list = list;
 131 }
 132
 133 static void tab_completion_destroy(GtkWidget *widget, gpointer data)
 134 {
 135         TabCompData *td = data;
 136
 137         tab_completion_free_list(td);
 138         g_free(td->history_key);
 139
 140         if (td->fd) file_dialog_close(td->fd);
 141         g_free(td->fd_title);
 142
 143         g_free(td);
 144 }
 145
 146 static gchar *tab_completion_get_text(TabCompData *td)
 147 {
 148         gchar *text;
 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         return text;
 160 }
 161
 162 static gint tab_completion_emit_enter_signal(TabCompData *td)
 163 {
 164         gchar *text;
 165         if (!td->enter_func) return FALSE;
 166
 167         text = tab_completion_get_text(td);
 168         td->enter_func(text, td->enter_data);
 169         g_free(text);
 170
 171         return TRUE;
 172 }
 173
 174 static void tab_completion_emit_tab_signal(TabCompData *td)
 175 {
 176         gchar *text;
 177         if (!td->tab_func) return;
 178
 179         text = tab_completion_get_text(td);
 180         td->tab_func(text, td->tab_data);
 181         g_free(text);
 182 }
 183
 184 #ifdef TAB_COMPLETION_ENABLE_POPUP_MENU
 185
 186 static gint tab_completion_popup_key_press(GtkWidget *widget, GdkEventKey *event, gpointer data)
 187 {
 188         TabCompData *td = data;
 189
 190         if (event->keyval == GDK_Tab ||
 191             event->keyval == GDK_BackSpace ||
 192             (event->keyval >= 0x20 && event->keyval <= 0xFF) )
 193                 {
 194                 if (event->keyval >= 0x20 && event->keyval <= 0xFF)
 195                         {
 196                         gchar buf[2];
 197                         gint p = -1;
 198
 199                         buf[0] = event->keyval;
 200                         buf[1] = '\0';
 201                         gtk_editable_insert_text(GTK_EDITABLE(td->entry), buf, 1, &p);
 202                         gtk_editable_set_position(GTK_EDITABLE(td->entry), -1);
 203                         }
 204
 205                 /*close the menu */
 206                 gtk_menu_popdown(GTK_MENU(widget));
 207                 /* doing this does not emit the "selection done" signal, unref it ourselves */
 208                 gtk_widget_unref(widget);
 209
 210                 return TRUE;
 211                 }
 212
 213         return FALSE;
 214 }
 215
 216 static void tab_completion_popup_cb(GtkWidget *widget, gpointer data)
 217 {
 218         gchar *name = data;
 219         TabCompData *td;
 220         gchar *buf;
 221
 222         td = g_object_get_data(G_OBJECT(widget), "tab_completion_data");
 223         if (!td) return;
 224
 225         buf = g_build_filename(td->dir_path, name, NULL);
 226         gtk_entry_set_text(GTK_ENTRY(td->entry), buf);
 227         gtk_editable_set_position(GTK_EDITABLE(td->entry), strlen(buf));
 228         g_free(buf);
 229
 230         tab_completion_emit_tab_signal(td);
 231 }
 232
 233 static void tab_completion_popup_pos_cb(GtkMenu *menu, gint *x, gint *y, gboolean *push_in, gpointer data)
 234 {
 235         TabCompData *td = data;
 236         gint height;
 237         PangoLayout *layout;
 238         PangoRectangle strong_pos, weak_pos;
 239         gint length;
 240         gint xoffset, yoffset;
 241         GtkRequisition req;
 242         GdkScreen *screen;
 243         gint monitor_num;
 244         GdkRectangle monitor;
 245
 246         gdk_window_get_origin(td->entry->window, x, y);
 247
 248         screen = gtk_widget_get_screen(GTK_WIDGET(menu));
 249         monitor_num = gdk_screen_get_monitor_at_window(screen, td->entry->window);
 250         gdk_screen_get_monitor_geometry(screen, monitor_num, &monitor);
 251
 252         gtk_widget_size_request(GTK_WIDGET(menu), &req);
 253
 254         length = strlen(gtk_entry_get_text(GTK_ENTRY(td->entry)));
 255         gtk_entry_get_layout_offsets(GTK_ENTRY(td->entry), &xoffset, &yoffset);
 256
 257         layout = gtk_entry_get_layout(GTK_ENTRY(td->entry));
 258         pango_layout_get_cursor_pos(layout, length, &strong_pos, &weak_pos);
 259
 260         *x += strong_pos.x / PANGO_SCALE + xoffset;
 261
 262         height = MIN(td->entry->requisition.height, td->entry->allocation.height);
 263
 264         if (req.height > monitor.y + monitor.height - *y - height &&
 265             *y - monitor.y >  monitor.y + monitor.height - *y)
 266                 {
 267                 height = MIN(*y - monitor.y, req.height);
 268                 gtk_widget_set_size_request(GTK_WIDGET(menu), -1, height);
 269                 *y -= height;
 270                 }
 271         else
 272                 {
 273                 *y += height;
 274                 }
 275 }
 276
 277 static void tab_completion_popup_list(TabCompData *td, GList *list)
 278 {
 279         GtkWidget *menu;
 280         GList *work;
 281         GdkEvent *event;
 282         guint32 etime;
 283         gint ebutton;
 284         gint count = 0;
 285
 286         if (!list) return;
 287
 288 #if 0
 289         /*
 290          * well, the menu would be too long anyway...
 291          * (listing /dev causes gtk+ window allocation errors, -> too big a window)
 292          * this is why menu popups are disabled, this really should be a popup scrollable listview.
 293          */
 294         if (g_list_length(list) > 200) return;
 295 #endif
 296
 297         menu = popup_menu_short_lived();
 298
 299         work = list;
 300         while (work && count < TAB_COMP_POPUP_MAX)
 301                 {
 302                 gchar *name = work->data;
 303                 GtkWidget *item;
 304
 305                 item = menu_item_add_simple(menu, name, G_CALLBACK(tab_completion_popup_cb), name);
 306                 g_object_set_data(G_OBJECT(item), "tab_completion_data", td);
 307
 308                 work = work->next;
 309                 count++;
 310                 }
 311
 312         g_signal_connect(G_OBJECT(menu), "key_press_event",
 313                          G_CALLBACK(tab_completion_popup_key_press), td);
 314
 315         /* peek at the current event to get the time, etc. */
 316         event = gtk_get_current_event();
 317
 318         if (event && event->type == GDK_BUTTON_RELEASE)
 319                 {
 320                 ebutton = event->button.button;
 321                 }
 322         else
 323                 {
 324                 ebutton = 0;
 325                 }
 326
 327         if (event)
 328                 {
 329                 etime = gdk_event_get_time(event);
 330                 gdk_event_free(event);
 331                 }
 332         else
 333                 {
 334                 etime = 0;
 335                 }
 336
 337         gtk_menu_popup(GTK_MENU(menu), NULL, NULL,
 338                        tab_completion_popup_pos_cb, td, ebutton, etime);
 339 }
 340
 341 #ifndef CASE_SORT
 342 #define CASE_SORT strcmp
 343 #endif
 344
 345 static gint simple_sort(gconstpointer a, gconstpointer b)
 346 {
 347         return CASE_SORT((gchar *)a, (gchar *)b);
 348 }
 349
 350 #endif
 351
 352 static gint tab_completion_do(TabCompData *td)
 353 {
 354         const gchar *entry_text = gtk_entry_get_text(GTK_ENTRY(td->entry));
 355         const gchar *entry_file;
 356         gchar *entry_dir;
 357         gchar *ptr;
 358         gint home_exp = FALSE;
 359
 360         /* home dir expansion */
 361         if (entry_text[0] == '~')
 362                 {
 363                 entry_dir = expand_tilde(entry_text);
 364                 home_exp = TRUE;
 365                 }
 366         else
 367                 {
 368                 entry_dir = g_strdup(entry_text);
 369                 }
 370
 371         entry_file = filename_from_path(entry_text);
 372
 373         if (isfile(entry_dir))
 374                 {
 375                 if (home_exp)
 376                         {
 377                         gtk_entry_set_text(GTK_ENTRY(td->entry), entry_dir);
 378                         gtk_editable_set_position(GTK_EDITABLE(td->entry), strlen(entry_dir));
 379                         }
 380                 g_free(entry_dir);
 381                 return home_exp;
 382                 }
 383
 384         if (isdir(entry_dir) && strcmp(entry_file, ".") != 0 && strcmp(entry_file, "..") != 0)
 385                 {
 386                 ptr = entry_dir + strlen(entry_dir) - 1;
 387                 if (ptr[0] == G_DIR_SEPARATOR)
 388                         {
 389                         if (home_exp)
 390                                 {
 391                                 gtk_entry_set_text(GTK_ENTRY(td->entry), entry_dir);
 392                                 gtk_editable_set_position(GTK_EDITABLE(td->entry), strlen(entry_dir));
 393                                 }
 394
 395                         tab_completion_read_dir(td, entry_dir);
 396                         td->file_list = g_list_sort(td->file_list, simple_sort);
 397                         if (td->file_list && !td->file_list->next)
 398                                 {
 399                                 gchar *buf;
 400                                 const gchar *file;
 401
 402                                 file = td->file_list->data;
 403                                 buf = g_build_filename(entry_dir, file, NULL);
 404                                 if (isdir(buf))
 405                                         {
 406                                         gchar *tmp = g_strconcat(buf, G_DIR_SEPARATOR_S, NULL);
 407                                         g_free(buf);
 408                                         buf = tmp;
 409                                         }
 410                                 gtk_entry_set_text(GTK_ENTRY(td->entry), buf);
 411                                 gtk_editable_set_position(GTK_EDITABLE(td->entry), strlen(buf));
 412                                 g_free(buf);
 413                                 }
 414
 415 #ifdef TAB_COMPLETION_ENABLE_POPUP_MENU
 416
 417                         else
 418                                 {
 419                                 tab_completion_popup_list(td, td->file_list);
 420                                 }
 421 #endif
 422
 423                         g_free(entry_dir);
 424                         return home_exp;
 425                         }
 426                 else
 427                         {
 428                         gchar *buf = g_strconcat(entry_dir, G_DIR_SEPARATOR_S, NULL);
 429                         gtk_entry_set_text(GTK_ENTRY(td->entry), buf);
 430                         gtk_editable_set_position(GTK_EDITABLE(td->entry), strlen(buf));
 431                         g_free(buf);
 432                         g_free(entry_dir);
 433                         return TRUE;
 434                         }
 435                 }
 436
 437         ptr = (gchar *)filename_from_path(entry_dir);
 438         if (ptr > entry_dir) ptr--;
 439         ptr[0] = '\0';
 440
 441         if (strlen(entry_dir) == 0)
 442                 {
 443                 g_free(entry_dir);
 444                 entry_dir = g_strdup(G_DIR_SEPARATOR_S); /* FIXME: win32 */
 445                 }
 446
 447         if (isdir(entry_dir))
 448                 {
 449                 GList *list;
 450                 GList *poss = NULL;
 451                 gint l = strlen(entry_file);
 452
 453                 if (!td->dir_path || !td->file_list || strcmp(td->dir_path, entry_dir) != 0)
 454                         {
 455                         tab_completion_read_dir(td, entry_dir);
 456                         }
 457
 458                 if (strcmp(entry_dir, G_DIR_SEPARATOR_S) == 0) entry_dir[0] = '\0'; /* FIXME: win32 */
 459
 460                 list = td->file_list;
 461                 while (list)
 462                         {
 463                         gchar *file = list->data;
 464                         if (strncmp(entry_file, file, l) == 0)
 465                                 {
 466                                 poss = g_list_prepend(poss, file);
 467                                 }
 468                         list = list->next;
 469                         }
 470
 471                 if (poss)
 472                         {
 473                         if (!poss->next)
 474                                 {
 475                                 gchar *file = poss->data;
 476                                 gchar *buf;
 477
 478                                 buf = g_build_filename(entry_dir, file, NULL);
 479
 480                                 if (isdir(buf))
 481                                         {
 482                                         gchar *tmp = g_strconcat(buf, G_DIR_SEPARATOR_S, NULL);
 483                                         g_free(buf);
 484                                         buf = tmp;
 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                                 gsize 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_build_filename(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                 log_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         gint l;
 821
 822         if (!path) return NULL;
 823
 824         l = strlen(path);
 825         while (l > 1 && path[l - 1] == G_DIR_SEPARATOR) l--;
 826
 827         return g_strndup(path, l);
 828 }
 829
 830 static void tab_completion_select_cancel_cb(FileDialog *fd, gpointer data)
 831 {
 832         TabCompData *td = data;
 833
 834         td->fd = NULL;
 835         file_dialog_close(fd);
 836 }
 837
 838 static void tab_completion_select_ok_cb(FileDialog *fd, gpointer data)
 839 {
 840         TabCompData *td = data;
 841
 842         gtk_entry_set_text(GTK_ENTRY(td->entry), gtk_entry_get_text(GTK_ENTRY(fd->entry)));
 843
 844         tab_completion_select_cancel_cb(fd, data);
 845
 846         tab_completion_emit_enter_signal(td);
 847 }
 848
 849 static void tab_completion_select_show(TabCompData *td)
 850 {
 851         const gchar *title;
 852         const gchar *path;
 853
 854         if (td->fd)
 855                 {
 856                 gtk_window_present(GTK_WINDOW(GENERIC_DIALOG(td->fd)->dialog));
 857                 return;
 858                 }
 859
 860         title = (td->fd_title) ? td->fd_title : _("Select path");
 861         td->fd = file_dialog_new(title, GQ_WMCLASS, "select_path", td->entry,
 862                                  tab_completion_select_cancel_cb, td);
 863         file_dialog_add_button(td->fd, GTK_STOCK_OK, NULL,
 864                                  tab_completion_select_ok_cb, TRUE);
 865
 866         generic_dialog_add_message(GENERIC_DIALOG(td->fd), NULL, title, NULL);
 867
 868         path = gtk_entry_get_text(GTK_ENTRY(td->entry));
 869         if (strlen(path) == 0) path = NULL;
 870         if (td->fd_folders_only)
 871                 {
 872                 file_dialog_add_path_widgets(td->fd, NULL, path, td->history_key, NULL, NULL);
 873                 }
 874         else
 875                 {
 876                 file_dialog_add_path_widgets(td->fd, NULL, path, td->history_key, "*", _("All files"));
 877                 }
 878
 879         gtk_widget_show(GENERIC_DIALOG(td->fd)->dialog);
 880 }
 881
 882 static void tab_completion_select_pressed(GtkWidget *widget, gpointer data)
 883 {
 884         TabCompData *td = data;
 885
 886         tab_completion_select_show(td);
 887 }
 888
 889 void tab_completion_add_select_button(GtkWidget *entry, const gchar *title, gint folders_only)
 890 {
 891         TabCompData *td;
 892         GtkWidget *parent;
 893         GtkWidget *hbox;
 894
 895         td = g_object_get_data(G_OBJECT(entry), "tab_completion_data");
 896
 897         if (!td) return;
 898
 899         g_free(td->fd_title);
 900         td->fd_title = g_strdup(title);
 901         td->fd_folders_only = folders_only;
 902
 903         if (td->fd_button) return;
 904
 905         parent = (td->combo) ? td->combo : td->entry;
 906
 907         hbox = gtk_widget_get_parent(parent);
 908         if (!GTK_IS_BOX(hbox)) return;
 909
 910         td->fd_button = gtk_button_new_with_label("...");
 911         g_signal_connect(G_OBJECT(td->fd_button), "size_allocate",
 912                          G_CALLBACK(tab_completion_button_size_allocate), parent);
 913         g_signal_connect(G_OBJECT(td->fd_button), "clicked",
 914                          G_CALLBACK(tab_completion_select_pressed), td);
 915
 916         gtk_box_pack_start(GTK_BOX(hbox), td->fd_button, FALSE, FALSE, 0);
 917
 918         gtk_widget_show(td->fd_button);
 919 }