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 "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 G_DIR_SEPARATOR.
  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
 383         if (isdir(entry_dir) && strcmp(entry_file, ".") != 0 && strcmp(entry_file, "..") != 0)
 384                 {
 385                 ptr = entry_dir + strlen(entry_dir) - 1;
 386                 if (ptr[0] == G_DIR_SEPARATOR)
 387                         {
 388                         if (home_exp)
 389                                 {
 390                                 gtk_entry_set_text(GTK_ENTRY(td->entry), entry_dir);
 391                                 gtk_editable_set_position(GTK_EDITABLE(td->entry), strlen(entry_dir));
 392                                 }
 393
 394                         tab_completion_read_dir(td, entry_dir);
 395                         td->file_list = g_list_sort(td->file_list, simple_sort);
 396                         if (td->file_list && !td->file_list->next)
 397                                 {
 398                                 gchar *buf;
 399                                 const gchar *file;
 400
 401                                 file = td->file_list->data;
 402                                 buf = g_build_filename(entry_dir, file, NULL);
 403                                 if (isdir(buf))
 404                                         {
 405                                         gchar *tmp = g_strconcat(buf, G_DIR_SEPARATOR_S, NULL);
 406                                         g_free(buf);
 407                                         buf = tmp;
 408                                         }
 409                                 gtk_entry_set_text(GTK_ENTRY(td->entry), buf);
 410                                 gtk_editable_set_position(GTK_EDITABLE(td->entry), strlen(buf));
 411                                 g_free(buf);
 412                                 }
 413
 414 #ifdef TAB_COMPLETION_ENABLE_POPUP_MENU
 415
 416                         else
 417                                 {
 418                                 tab_completion_popup_list(td, td->file_list);
 419                                 }
 420 #endif
 421
 422                         g_free(entry_dir);
 423                         return home_exp;
 424                         }
 425                 else
 426                         {
 427                         gchar *buf = g_strconcat(entry_dir, G_DIR_SEPARATOR_S, NULL);
 428                         gtk_entry_set_text(GTK_ENTRY(td->entry), buf);
 429                         gtk_editable_set_position(GTK_EDITABLE(td->entry), strlen(buf));
 430                         g_free(buf);
 431                         g_free(entry_dir);
 432                         return TRUE;
 433                         }
 434                 }
 435
 436         ptr = (gchar *)filename_from_path(entry_dir);
 437         if (ptr > entry_dir) ptr--;
 438         ptr[0] = '\0';
 439
 440         if (strlen(entry_dir) == 0)
 441                 {
 442                 g_free(entry_dir);
 443                 entry_dir = g_strdup(G_DIR_SEPARATOR_S); /* FIXME: win32 */
 444                 }
 445
 446         if (isdir(entry_dir))
 447                 {
 448                 GList *list;
 449                 GList *poss = NULL;
 450                 gint l = strlen(entry_file);
 451
 452                 if (!td->dir_path || !td->file_list || strcmp(td->dir_path, entry_dir) != 0)
 453                         {
 454                         tab_completion_read_dir(td, entry_dir);
 455                         }
 456
 457                 if (strcmp(entry_dir, G_DIR_SEPARATOR_S) == 0) entry_dir[0] = '\0'; /* FIXME: win32 */
 458
 459                 list = td->file_list;
 460                 while (list)
 461                         {
 462                         gchar *file = list->data;
 463                         if (strncmp(entry_file, file, l) == 0)
 464                                 {
 465                                 poss = g_list_prepend(poss, file);
 466                                 }
 467                         list = list->next;
 468                         }
 469
 470                 if (poss)
 471                         {
 472                         if (!poss->next)
 473                                 {
 474                                 gchar *file = poss->data;
 475                                 gchar *buf;
 476
 477                                 buf = g_build_filename(entry_dir, file, NULL);
 478
 479                                 if (isdir(buf))
 480                                         {
 481                                         gchar *tmp = g_strconcat(buf, G_DIR_SEPARATOR_S, NULL);
 482                                         g_free(buf);
 483                                         buf = tmp;
 484                                         }
 485                                 gtk_entry_set_text(GTK_ENTRY(td->entry), buf);
 486                                 gtk_editable_set_position(GTK_EDITABLE(td->entry), strlen(buf));
 487                                 g_free(buf);
 488                                 g_list_free(poss);
 489                                 g_free(entry_dir);
 490                                 return TRUE;
 491                                 }
 492                         else
 493                                 {
 494                                 gsize c = strlen(entry_file);
 495                                 gint done = FALSE;
 496                                 gchar *test_file = poss->data;
 497
 498                                 while (!done)
 499                                         {
 500                                         list = poss;
 501                                         if (!list) done = TRUE;
 502                                         while (list && !done)
 503                                                 {
 504                                                 gchar *file = list->data;
 505                                                 if (strlen(file) < c || strncmp(test_file, file, c) != 0)
 506                                                         {
 507                                                         done = TRUE;
 508                                                         }
 509                                                 list = list->next;
 510                                                 }
 511                                         c++;
 512                                         }
 513                                 c -= 2;
 514                                 if (c > 0)
 515                                         {
 516                                         gchar *file;
 517                                         gchar *buf;
 518                                         file = g_strdup(test_file);
 519                                         file[c] = '\0';
 520                                         buf = g_build_filename(entry_dir, file, NULL);
 521                                         gtk_entry_set_text(GTK_ENTRY(td->entry), buf);
 522                                         gtk_editable_set_position(GTK_EDITABLE(td->entry), strlen(buf));
 523
 524 #ifdef TAB_COMPLETION_ENABLE_POPUP_MENU
 525
 526                                         poss = g_list_sort(poss, simple_sort);
 527                                         tab_completion_popup_list(td, poss);
 528
 529 #endif
 530
 531                                         g_free(file);
 532                                         g_free(buf);
 533                                         g_list_free(poss);
 534                                         g_free(entry_dir);
 535                                         return TRUE;
 536                                         }
 537                                 }
 538                         g_list_free(poss);
 539                         }
 540                 }
 541
 542         g_free(entry_dir);
 543
 544         return FALSE;
 545 }
 546
 547 static gint tab_completion_key_pressed(GtkWidget *widget, GdkEventKey *event, gpointer data)
 548 {
 549         TabCompData *td = data;
 550         gint stop_signal = FALSE;
 551
 552         switch (event->keyval)
 553                 {
 554                 case GDK_Tab:
 555                         if (!(event->state & GDK_CONTROL_MASK))
 556                                 {
 557                                 if (tab_completion_do(td))
 558                                         {
 559                                         tab_completion_emit_tab_signal(td);
 560                                         }
 561                                 stop_signal = TRUE;
 562                                 }
 563                         break;
 564                 case GDK_Return: case GDK_KP_Enter:
 565                         if (td->fd_button &&
 566                             (event->state & GDK_CONTROL_MASK))
 567                                 {
 568                                 tab_completion_select_show(td);
 569                                 stop_signal = TRUE;
 570                                 }
 571                         else if (tab_completion_emit_enter_signal(td))
 572                                 {
 573                                 stop_signal = TRUE;
 574                                 }
 575                         break;
 576                 default:
 577                         break;
 578                 }
 579
 580         if (stop_signal) g_signal_stop_emission_by_name(G_OBJECT(widget), "key_press_event");
 581
 582         return (stop_signal);
 583 }
 584
 585 static void tab_completion_button_pressed(GtkWidget *widget, gpointer data)
 586 {
 587         TabCompData *td;
 588         GtkWidget *entry = data;
 589
 590         td = g_object_get_data(G_OBJECT(entry), "tab_completion_data");
 591
 592         if (!td) return;
 593
 594         if (!GTK_WIDGET_HAS_FOCUS(entry))
 595                 {
 596                 gtk_widget_grab_focus(entry);
 597                 }
 598
 599         if (tab_completion_do(td))
 600                 {
 601                 tab_completion_emit_tab_signal(td);
 602                 }
 603 }
 604
 605 static void tab_completion_button_size_allocate(GtkWidget *button, GtkAllocation *allocation, gpointer data)
 606 {
 607         GtkWidget *parent = data;
 608
 609         if (allocation->height > parent->allocation.height)
 610                 {
 611                 GtkAllocation button_allocation;
 612
 613                 button_allocation = button->allocation;
 614                 button_allocation.height = parent->allocation.height;
 615                 button_allocation.y = parent->allocation.y +
 616                         (parent->allocation.height - parent->allocation.height) / 2;
 617                 gtk_widget_size_allocate(button, &button_allocation);
 618                 }
 619 }
 620
 621 static GtkWidget *tab_completion_create_complete_button(GtkWidget *entry, GtkWidget *parent)
 622 {
 623         GtkWidget *button;
 624         GtkWidget *icon;
 625         GdkPixbuf *pixbuf;
 626
 627         button = gtk_button_new();
 628         GTK_WIDGET_UNSET_FLAGS(button, GTK_CAN_FOCUS);
 629         g_signal_connect(G_OBJECT(button), "size_allocate",
 630                          G_CALLBACK(tab_completion_button_size_allocate), parent);
 631         g_signal_connect(G_OBJECT(button), "clicked",
 632                          G_CALLBACK(tab_completion_button_pressed), entry);
 633
 634         pixbuf = gdk_pixbuf_new_from_inline(-1, icon_tabcomp, FALSE, NULL);
 635         icon = gtk_image_new_from_pixbuf(pixbuf);
 636         gdk_pixbuf_unref(pixbuf);
 637         gtk_container_add(GTK_CONTAINER(button), icon);
 638         gtk_widget_show(icon);
 639
 640         return button;
 641 }
 642
 643 /*
 644  *----------------------------------------------------------------------------
 645  * public interface
 646  *----------------------------------------------------------------------------
 647  */
 648
 649 GtkWidget *tab_completion_new_with_history(GtkWidget **entry, const gchar *text,
 650                                            const gchar *history_key, gint max_levels,
 651                                            void (*enter_func)(const gchar *, gpointer), gpointer data)
 652 {
 653         GtkWidget *box;
 654         GtkWidget *combo;
 655         GtkWidget *combo_entry;
 656         GtkWidget *button;
 657         GList *work;
 658         TabCompData *td;
 659         gint n = 0;
 660
 661         box = gtk_hbox_new(FALSE, 0);
 662
 663         combo = gtk_combo_box_entry_new_text();
 664         gtk_box_pack_start(GTK_BOX(box), combo, TRUE, TRUE, 0);
 665         gtk_widget_show(combo);
 666
 667         combo_entry = GTK_BIN(combo)->child;
 668 #if 0
 669         gtk_combo_set_case_sensitive(GTK_COMBO(combo), TRUE);
 670         gtk_combo_set_use_arrows(GTK_COMBO(combo), FALSE);
 671 #endif
 672
 673         button = tab_completion_create_complete_button(combo_entry, combo);
 674         gtk_box_pack_start(GTK_BOX(box), button, FALSE, FALSE, 0);
 675         gtk_widget_show(button);
 676
 677         tab_completion_add_to_entry(combo_entry, enter_func, data);
 678
 679         td = g_object_get_data(G_OBJECT(combo_entry), "tab_completion_data");
 680         if (!td) return NULL; /* this should never happen! */
 681
 682         td->combo = combo;
 683         td->has_history = TRUE;
 684         td->history_key = g_strdup(history_key);
 685         td->history_levels = max_levels;
 686
 687         work = history_list_get_by_key(td->history_key);
 688
 689         work = history_list_get_by_key(history_key);
 690         while (work)
 691                 {
 692                 gtk_combo_box_append_text(GTK_COMBO_BOX(combo), (gchar *)work->data);
 693                 work = work->next;
 694                 n++;
 695                 }
 696
 697         if (text)
 698                 {
 699                 gtk_entry_set_text(GTK_ENTRY(combo_entry), text);
 700                 }
 701         else if (n > 0)
 702                 {
 703                 gtk_combo_box_set_active(GTK_COMBO_BOX(combo), 0);
 704                 }
 705
 706         if (entry) *entry = combo_entry;
 707         return box;
 708 }
 709
 710 const gchar *tab_completion_set_to_last_history(GtkWidget *entry)
 711 {
 712         TabCompData *td = g_object_get_data(G_OBJECT(entry), "tab_completion_data");
 713         const gchar *buf;
 714
 715         if (!td || !td->has_history) return NULL;
 716
 717         buf = history_list_find_last_path_by_key(td->history_key);
 718         if (buf)
 719                 {
 720                 gtk_entry_set_text(GTK_ENTRY(td->entry), buf);
 721                 }
 722
 723         return buf;
 724 }
 725
 726 void tab_completion_append_to_history(GtkWidget *entry, const gchar *path)
 727 {
 728         TabCompData *td;
 729         GtkTreeModel *store;
 730         GList *work;
 731
 732         td = g_object_get_data(G_OBJECT(entry), "tab_completion_data");
 733
 734         if (!path) return;
 735
 736         if (!td || !td->has_history) return;
 737
 738         history_list_add_to_key(td->history_key, path, td->history_levels);
 739
 740         gtk_combo_box_set_active(GTK_COMBO_BOX(td->combo), -1);
 741
 742         store = gtk_combo_box_get_model(GTK_COMBO_BOX(td->combo));
 743         gtk_list_store_clear(GTK_LIST_STORE(store));
 744
 745         work = history_list_get_by_key(td->history_key);
 746         while (work)
 747                 {
 748                 gtk_combo_box_append_text(GTK_COMBO_BOX(td->combo), (gchar *)work->data);
 749                 work = work->next;
 750                 }
 751 }
 752
 753 GtkWidget *tab_completion_new(GtkWidget **entry, const gchar *text,
 754                               void (*enter_func)(const gchar *, gpointer), gpointer data)
 755 {
 756         GtkWidget *hbox;
 757         GtkWidget *button;
 758         GtkWidget *newentry;
 759
 760         hbox = gtk_hbox_new(FALSE, 0);
 761
 762         newentry = gtk_entry_new();
 763         if (text) gtk_entry_set_text(GTK_ENTRY(newentry), text);
 764         gtk_box_pack_start(GTK_BOX(hbox), newentry, TRUE, TRUE, 0);
 765         gtk_widget_show(newentry);
 766
 767         button = tab_completion_create_complete_button(newentry, newentry);
 768         gtk_box_pack_start(GTK_BOX(hbox), button, FALSE, FALSE, 0);
 769         gtk_widget_show(button);
 770
 771         tab_completion_add_to_entry(newentry, enter_func, data);
 772
 773         if (entry) *entry = newentry;
 774         return hbox;
 775 }
 776
 777 void tab_completion_add_to_entry(GtkWidget *entry, void (*enter_func)(const gchar *, gpointer), gpointer data)
 778 {
 779         TabCompData *td;
 780         if (!entry)
 781                 {
 782                 log_printf("Tab completion error: entry != NULL\n");
 783                 return;
 784                 }
 785
 786         td = g_new0(TabCompData, 1);
 787         td->entry = entry;
 788         td->dir_path = NULL;
 789         td->file_list = NULL;
 790         td->enter_func = enter_func;
 791         td->enter_data = data;
 792         td->tab_func = NULL;
 793         td->tab_data = NULL;
 794
 795         td->has_history = FALSE;
 796         td->history_key = NULL;
 797         td->history_levels = 0;
 798
 799         g_object_set_data(G_OBJECT(td->entry), "tab_completion_data", td);
 800
 801         g_signal_connect(G_OBJECT(entry), "key_press_event",
 802                          G_CALLBACK(tab_completion_key_pressed), td);
 803         g_signal_connect(G_OBJECT(entry), "destroy",
 804                          G_CALLBACK(tab_completion_destroy), td);
 805 }
 806
 807 void tab_completion_add_tab_func(GtkWidget *entry, void (*tab_func)(const gchar *, gpointer), gpointer data)
 808 {
 809         TabCompData *td = g_object_get_data(G_OBJECT(entry), "tab_completion_data");
 810
 811         if (!td) return;
 812
 813         td->tab_func = tab_func;
 814         td->tab_data = data;
 815 }
 816
 817 gchar *remove_trailing_slash(const gchar *path)
 818 {
 819         gint l;
 820
 821         if (!path) return NULL;
 822
 823         l = strlen(path);
 824         while (l > 1 && path[l - 1] == G_DIR_SEPARATOR) l--;
 825
 826         return g_strndup(path, l);
 827 }
 828
 829 static void tab_completion_select_cancel_cb(FileDialog *fd, gpointer data)
 830 {
 831         TabCompData *td = data;
 832
 833         td->fd = NULL;
 834         file_dialog_close(fd);
 835 }
 836
 837 static void tab_completion_select_ok_cb(FileDialog *fd, gpointer data)
 838 {
 839         TabCompData *td = data;
 840
 841         gtk_entry_set_text(GTK_ENTRY(td->entry), gtk_entry_get_text(GTK_ENTRY(fd->entry)));
 842
 843         tab_completion_select_cancel_cb(fd, data);
 844
 845         tab_completion_emit_enter_signal(td);
 846 }
 847
 848 static void tab_completion_select_show(TabCompData *td)
 849 {
 850         const gchar *title;
 851         const gchar *path;
 852
 853         if (td->fd)
 854                 {
 855                 gtk_window_present(GTK_WINDOW(GENERIC_DIALOG(td->fd)->dialog));
 856                 return;
 857                 }
 858
 859         title = (td->fd_title) ? td->fd_title : _("Select path");
 860         td->fd = file_dialog_new(title, GQ_WMCLASS, "select_path", td->entry,
 861                                  tab_completion_select_cancel_cb, td);
 862         file_dialog_add_button(td->fd, GTK_STOCK_OK, NULL,
 863                                  tab_completion_select_ok_cb, TRUE);
 864
 865         generic_dialog_add_message(GENERIC_DIALOG(td->fd), NULL, title, NULL);
 866
 867         path = gtk_entry_get_text(GTK_ENTRY(td->entry));
 868         if (strlen(path) == 0) path = NULL;
 869         if (td->fd_folders_only)
 870                 {
 871                 file_dialog_add_path_widgets(td->fd, NULL, path, td->history_key, NULL, NULL);
 872                 }
 873         else
 874                 {
 875                 file_dialog_add_path_widgets(td->fd, NULL, path, td->history_key, "*", _("All files"));
 876                 }
 877
 878         gtk_widget_show(GENERIC_DIALOG(td->fd)->dialog);
 879 }
 880
 881 static void tab_completion_select_pressed(GtkWidget *widget, gpointer data)
 882 {
 883         TabCompData *td = data;
 884
 885         tab_completion_select_show(td);
 886 }
 887
 888 void tab_completion_add_select_button(GtkWidget *entry, const gchar *title, gint folders_only)
 889 {
 890         TabCompData *td;
 891         GtkWidget *parent;
 892         GtkWidget *hbox;
 893
 894         td = g_object_get_data(G_OBJECT(entry), "tab_completion_data");
 895
 896         if (!td) return;
 897
 898         g_free(td->fd_title);
 899         td->fd_title = g_strdup(title);
 900         td->fd_folders_only = folders_only;
 901
 902         if (td->fd_button) return;
 903
 904         parent = (td->combo) ? td->combo : td->entry;
 905
 906         hbox = gtk_widget_get_parent(parent);
 907         if (!GTK_IS_BOX(hbox)) return;
 908
 909         td->fd_button = gtk_button_new_with_label("...");
 910         g_signal_connect(G_OBJECT(td->fd_button), "size_allocate",
 911                          G_CALLBACK(tab_completion_button_size_allocate), parent);
 912         g_signal_connect(G_OBJECT(td->fd_button), "clicked",
 913                          G_CALLBACK(tab_completion_select_pressed), td);
 914
 915         gtk_box_pack_start(GTK_BOX(hbox), td->fd_button, FALSE, FALSE, 0);
 916
 917         gtk_widget_show(td->fd_button);
 918 }