src/prefs_folder_column.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2005 Hiroyuki Yamamoto & the Sylpheed-Claws team
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  18  */
  19
  20 #ifdef HAVE_CONFIG_H
  21 #  include "config.h"
  22 #endif
  23
  24 #include "defs.h"
  25
  26 #include <glib.h>
  27 #include <glib/gi18n.h>
  28 #include <gtk/gtkmain.h>
  29 #include <gtk/gtkwindow.h>
  30 #include <gtk/gtkvbox.h>
  31 #include <gtk/gtkhbox.h>
  32 #include <gtk/gtkbutton.h>
  33 #include <gdk/gdkkeysyms.h>
  34
  35 #include "prefs_gtk.h"
  36 #include "prefs_common.h"
  37 #include "prefs_folder_column.h"
  38 #include "manage_window.h"
  39 #include "folderview.h"
  40 #include "mainwindow.h"
  41 #include "inc.h"
  42 #include "gtkutils.h"
  43 #include "utils.h"
  44
  45 enum {
  46         SUMCOL_NAME,
  47         SUMCOL_TYPE,
  48         N_SUMCOL_COLUMNS
  49 };
  50
  51 #define TARGET_INFO_SUMCOL  (0xFEEDBABE)
  52
  53 static const GtkTargetEntry row_targets[] = {
  54         { "PREFS_SUM_COL_MODEL_ROW", GTK_TARGET_SAME_APP, TARGET_INFO_SUMCOL }
  55 };
  56
  57
  58 static struct _FolderColumnDialog
  59 {
  60         GtkWidget *window;
  61
  62         GtkWidget *stock_list_view;
  63         GtkWidget *shown_list_view;
  64
  65         GtkWidget *add_btn;
  66         GtkWidget *remove_btn;
  67         GtkWidget *up_btn;
  68         GtkWidget *down_btn;
  69
  70         GtkWidget *default_btn;
  71
  72         GtkWidget *ok_btn;
  73         GtkWidget *cancel_btn;
  74
  75         gboolean finished;
  76 } folder_col;
  77
  78 static const gchar *const col_name[N_FOLDER_COLS] = {
  79         N_("Folder"),           /* F_COL_FOLDER  */
  80         N_("New"),              /* F_COL_NEW     */
  81         N_("Unread"),           /* F_COL_UNREAD  */
  82         N_("Total"),            /* F_COL_TOTAL   */
  83 };
  84
  85 static FolderColumnState default_state[N_FOLDER_COLS] = {
  86         { F_COL_FOLDER   , TRUE  },
  87         { F_COL_NEW      , TRUE  },
  88         { F_COL_UNREAD   , TRUE  },
  89         { F_COL_TOTAL    , TRUE  },
  90 };
  91
  92 static void prefs_folder_column_create  (void);
  93
  94 static void prefs_folder_column_set_dialog      (FolderColumnState *state);
  95 static void prefs_folder_column_set_view        (void);
  96
  97 /* callback functions */
  98 static void prefs_folder_column_add     (void);
  99 static void prefs_folder_column_remove  (void);
 100
 101 static void prefs_folder_column_up      (void);
 102 static void prefs_folder_column_down    (void);
 103
 104 static void prefs_folder_column_set_to_default  (void);
 105
 106 static void prefs_folder_column_ok      (void);
 107 static void prefs_folder_column_cancel  (void);
 108
 109 static gint prefs_folder_column_delete_event    (GtkWidget      *widget,
 110                                                  GdkEventAny    *event,
 111                                                  gpointer        data);
 112 static gboolean prefs_folder_column_key_pressed(GtkWidget       *widget,
 113                                                  GdkEventKey    *event,
 114                                                  gpointer        data);
 115
 116 static GtkListStore *prefs_folder_column_create_store   (void);
 117
 118 static void prefs_folder_column_insert_column   (GtkListStore *store,
 119                                                  gint row,
 120                                                  const gchar *name,
 121                                                  FolderColumnType type);
 122
 123 static FolderColumnType prefs_folder_column_get_column  (GtkWidget *list,
 124                                                                  gint row);
 125
 126 static GtkWidget *prefs_folder_column_list_view_create  (const gchar *name);
 127
 128 static void prefs_filtering_create_list_view_columns    (GtkWidget *list_view,
 129                                                          const gchar *name);
 130
 131 static void drag_data_get       (GtkTreeView *tree_view,
 132                                  GdkDragContext *context,
 133                                  GtkSelectionData *data,
 134                                  guint info,
 135                                  guint time,
 136                                  GtkTreeModel *model);
 137
 138 static void drag_data_received  (GtkTreeView *tree_view,
 139                                  GdkDragContext *context,
 140                                  gint x, gint y,
 141                                  GtkSelectionData *data,
 142                                  guint info,
 143                                  guint time,
 144                                  GtkTreeModel *model);
 145
 146 void prefs_folder_column_open(void)
 147 {
 148         inc_lock();
 149
 150         if (!folder_col.window)
 151                 prefs_folder_column_create();
 152
 153         manage_window_set_transient(GTK_WINDOW(folder_col.window));
 154         gtk_widget_grab_focus(folder_col.ok_btn);
 155
 156         prefs_folder_column_set_dialog(NULL);
 157
 158         gtk_widget_show(folder_col.window);
 159
 160         folder_col.finished = FALSE;
 161         while (folder_col.finished == FALSE)
 162                 gtk_main_iteration();
 163
 164         gtk_widget_hide(folder_col.window);
 165
 166         inc_unlock();
 167 }
 168
 169 static void prefs_folder_column_create(void)
 170 {
 171         GtkWidget *window;
 172         GtkWidget *vbox;
 173
 174         GtkWidget *label_hbox;
 175         GtkWidget *label;
 176
 177         GtkWidget *vbox1;
 178
 179         GtkWidget *hbox1;
 180         GtkWidget *clist_hbox;
 181         GtkWidget *scrolledwin;
 182         GtkWidget *stock_list_view;
 183         GtkWidget *shown_list_view;
 184
 185         GtkWidget *btn_vbox;
 186         GtkWidget *add_btn;
 187         GtkWidget *remove_btn;
 188         GtkWidget *up_btn;
 189         GtkWidget *down_btn;
 190
 191         GtkWidget *btn_hbox;
 192         GtkWidget *default_btn;
 193         GtkWidget *confirm_area;
 194         GtkWidget *ok_btn;
 195         GtkWidget *cancel_btn;
 196
 197         debug_print("Creating folder column setting window...\n");
 198
 199         window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 200         gtk_container_set_border_width(GTK_CONTAINER(window), 8);
 201         gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
 202         gtk_window_set_modal(GTK_WINDOW(window), TRUE);
 203         gtk_window_set_resizable(GTK_WINDOW(window), FALSE);
 204         gtk_window_set_title(GTK_WINDOW(window),
 205                              _("Folder list columns configuration"));
 206         g_signal_connect(G_OBJECT(window), "delete_event",
 207                          G_CALLBACK(prefs_folder_column_delete_event),
 208                          NULL);
 209         g_signal_connect(G_OBJECT(window), "key_press_event",
 210                          G_CALLBACK(prefs_folder_column_key_pressed),
 211                          NULL);
 212
 213         vbox = gtk_vbox_new(FALSE, 6);
 214         gtk_widget_show(vbox);
 215         gtk_container_add(GTK_CONTAINER(window), vbox);
 216
 217         label_hbox = gtk_hbox_new(FALSE, 0);
 218         gtk_widget_show(label_hbox);
 219         gtk_box_pack_start(GTK_BOX(vbox), label_hbox, FALSE, FALSE, 4);
 220
 221         label = gtk_label_new
 222                 (_("Select columns to be displayed in the folder list. You can modify\n"
 223                    "the order by using the Up / Down buttons or by dragging the items."));
 224         gtk_widget_show(label);
 225         gtk_box_pack_start(GTK_BOX(label_hbox), label, FALSE, FALSE, 4);
 226         gtk_label_set_justify(GTK_LABEL(label), GTK_JUSTIFY_LEFT);
 227
 228         vbox1 = gtk_vbox_new(FALSE, VSPACING);
 229         gtk_widget_show(vbox1);
 230         gtk_box_pack_start(GTK_BOX(vbox), vbox1, TRUE, TRUE, 0);
 231         gtk_container_set_border_width(GTK_CONTAINER(vbox1), 2);
 232
 233         hbox1 = gtk_hbox_new(FALSE, 8);
 234         gtk_widget_show(hbox1);
 235         gtk_box_pack_start(GTK_BOX(vbox1), hbox1, FALSE, TRUE, 0);
 236
 237         clist_hbox = gtk_hbox_new(FALSE, 8);
 238         gtk_widget_show(clist_hbox);
 239         gtk_box_pack_start(GTK_BOX(hbox1), clist_hbox, TRUE, TRUE, 0);
 240
 241         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 242         gtk_widget_set_size_request(scrolledwin, 180, 210);
 243         gtk_widget_show(scrolledwin);
 244         gtk_box_pack_start(GTK_BOX(clist_hbox), scrolledwin, TRUE, TRUE, 0);
 245         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
 246                                        GTK_POLICY_AUTOMATIC,
 247                                        GTK_POLICY_AUTOMATIC);
 248
 249
 250         stock_list_view = prefs_folder_column_list_view_create
 251                                 (_("Hidden columns"));
 252         gtk_widget_show(stock_list_view);
 253         gtk_container_add(GTK_CONTAINER(scrolledwin), stock_list_view);
 254
 255         /* add/remove button */
 256         btn_vbox = gtk_vbox_new(FALSE, 8);
 257         gtk_widget_show(btn_vbox);
 258         gtk_box_pack_start(GTK_BOX(hbox1), btn_vbox, FALSE, FALSE, 0);
 259
 260         add_btn = gtk_button_new_from_stock(GTK_STOCK_ADD);
 261         gtk_widget_show(add_btn);
 262         gtk_box_pack_start(GTK_BOX(btn_vbox), add_btn, FALSE, TRUE, 0);
 263
 264         g_signal_connect(G_OBJECT(add_btn), "clicked",
 265                          G_CALLBACK(prefs_folder_column_add), NULL);
 266
 267         clist_hbox = gtk_hbox_new(FALSE, 8);
 268         gtk_widget_show(clist_hbox);
 269         gtk_box_pack_start(GTK_BOX(hbox1), clist_hbox, TRUE, TRUE, 0);
 270
 271         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 272         gtk_widget_set_size_request(scrolledwin, 180, 210);
 273         gtk_widget_show(scrolledwin);
 274         gtk_box_pack_start(GTK_BOX(clist_hbox), scrolledwin, TRUE, TRUE, 0);
 275         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
 276                                        GTK_POLICY_AUTOMATIC,
 277                                        GTK_POLICY_AUTOMATIC);
 278
 279         shown_list_view = prefs_folder_column_list_view_create
 280                                 (_("Displayed columns"));
 281         gtk_widget_show(shown_list_view);
 282         gtk_container_add(GTK_CONTAINER(scrolledwin), shown_list_view);
 283
 284         /* up/down button */
 285         btn_vbox = gtk_vbox_new(FALSE, 8);
 286         gtk_widget_show(btn_vbox);
 287         gtk_box_pack_start(GTK_BOX(hbox1), btn_vbox, FALSE, FALSE, 0);
 288
 289         remove_btn = gtk_button_new_from_stock(GTK_STOCK_REMOVE);
 290         gtk_widget_show(remove_btn);
 291         gtk_box_pack_start(GTK_BOX(btn_vbox), remove_btn, FALSE, TRUE, 0);
 292
 293         up_btn = gtk_button_new_from_stock(GTK_STOCK_GO_UP);
 294         gtk_widget_show(up_btn);
 295         gtk_box_pack_start(GTK_BOX(btn_vbox), up_btn, FALSE, TRUE, 0);
 296
 297         down_btn = gtk_button_new_from_stock(GTK_STOCK_GO_DOWN);
 298         gtk_widget_show(down_btn);
 299         gtk_box_pack_start(GTK_BOX(btn_vbox), down_btn, FALSE, TRUE, 0);
 300
 301         g_signal_connect(G_OBJECT(remove_btn), "clicked",
 302                          G_CALLBACK(prefs_folder_column_remove), NULL);
 303         g_signal_connect(G_OBJECT(up_btn), "clicked",
 304                          G_CALLBACK(prefs_folder_column_up), NULL);
 305         g_signal_connect(G_OBJECT(down_btn), "clicked",
 306                          G_CALLBACK(prefs_folder_column_down), NULL);
 307
 308         btn_hbox = gtk_hbox_new(FALSE, 8);
 309         gtk_widget_show(btn_hbox);
 310         gtk_box_pack_end(GTK_BOX(vbox), btn_hbox, FALSE, FALSE, 0);
 311
 312         btn_vbox = gtk_vbox_new(FALSE, 0);
 313         gtk_widget_show(btn_vbox);
 314         gtk_box_pack_start(GTK_BOX(btn_hbox), btn_vbox, FALSE, FALSE, 0);
 315
 316         default_btn = gtk_button_new_with_label(_(" Use default "));
 317         gtk_widget_show(default_btn);
 318         gtk_box_pack_start(GTK_BOX(btn_vbox), default_btn, TRUE, FALSE, 0);
 319         g_signal_connect(G_OBJECT(default_btn), "clicked",
 320                          G_CALLBACK(prefs_folder_column_set_to_default),
 321                          NULL);
 322
 323         gtkut_stock_button_set_create(&confirm_area, &ok_btn, GTK_STOCK_OK,
 324                                       &cancel_btn, GTK_STOCK_CANCEL,
 325                                       NULL, NULL);
 326         gtk_widget_show(confirm_area);
 327         gtk_box_pack_end(GTK_BOX(btn_hbox), confirm_area, FALSE, FALSE, 0);
 328         gtk_widget_grab_default(ok_btn);
 329
 330         g_signal_connect(G_OBJECT(ok_btn), "clicked",
 331                          G_CALLBACK(prefs_folder_column_ok), NULL);
 332         g_signal_connect(G_OBJECT(cancel_btn), "clicked",
 333                          G_CALLBACK(prefs_folder_column_cancel), NULL);
 334
 335
 336         folder_col.window      = window;
 337         folder_col.add_btn     = add_btn;
 338         folder_col.remove_btn  = remove_btn;
 339         folder_col.up_btn      = up_btn;
 340         folder_col.down_btn    = down_btn;
 341         folder_col.ok_btn      = ok_btn;
 342         folder_col.cancel_btn  = cancel_btn;
 343         folder_col.stock_list_view = stock_list_view;
 344         folder_col.shown_list_view = shown_list_view;
 345 }
 346
 347 FolderColumnState *prefs_folder_column_get_config(void)
 348 {
 349         static FolderColumnState state[N_FOLDER_COLS];
 350         FolderColumnType type;
 351         gint pos;
 352
 353         for (pos = 0; pos < N_FOLDER_COLS; pos++)
 354                 state[pos].type = -1;
 355
 356         for (type = 0; type < N_FOLDER_COLS; type++) {
 357                 pos = prefs_common.folder_col_pos[type];
 358                 if (pos < 0 || pos >= N_FOLDER_COLS ||
 359                     state[pos].type != -1) {
 360                         g_warning("Wrong column position\n");
 361                         prefs_folder_column_set_config(default_state);
 362                         return default_state;
 363                 }
 364
 365                 state[pos].type = type;
 366                 state[pos].visible = prefs_common.folder_col_visible[type];
 367         }
 368
 369         return state;
 370 }
 371
 372 void prefs_folder_column_set_config(FolderColumnState *state)
 373 {
 374         FolderColumnType type;
 375         gint pos;
 376
 377         for (pos = 0; pos < N_FOLDER_COLS; pos++) {
 378                 type = state[pos].type;
 379                 prefs_common.folder_col_visible[type] = state[pos].visible;
 380                 prefs_common.folder_col_pos[type] = pos;
 381         }
 382 }
 383
 384 static void prefs_folder_column_set_dialog(FolderColumnState *state)
 385 {
 386         GtkListStore *stock_store, *shown_store;
 387         gint pos;
 388         FolderColumnType type;
 389         gchar *name;
 390
 391         stock_store = GTK_LIST_STORE(gtk_tree_view_get_model
 392                         (GTK_TREE_VIEW(folder_col.stock_list_view)));
 393         shown_store = GTK_LIST_STORE(gtk_tree_view_get_model
 394                         (GTK_TREE_VIEW(folder_col.shown_list_view)));
 395
 396         gtk_list_store_clear(stock_store);
 397         gtk_list_store_clear(shown_store);
 398
 399         if (!state)
 400                 state = prefs_folder_column_get_config();
 401
 402         for (pos = 0; pos < N_FOLDER_COLS; pos++) {
 403                 type = state[pos].type;
 404                 name = gettext(col_name[type]);
 405
 406                 if (state[pos].visible)
 407                         prefs_folder_column_insert_column(shown_store,
 408                                                            -1, name,
 409                                                            type);
 410                 else
 411                         prefs_folder_column_insert_column(stock_store,
 412                                                             -1, name,
 413                                                             type);
 414         }
 415 }
 416
 417 static void prefs_folder_column_set_view(void)
 418 {
 419         gint stock_n_rows, shown_n_rows;
 420         FolderColumnState state[N_FOLDER_COLS];
 421         FolderColumnType type;
 422         gint row, pos = 0;
 423
 424         stock_n_rows = gtk_tree_model_iter_n_children
 425                 (gtk_tree_view_get_model(GTK_TREE_VIEW
 426                         (folder_col.stock_list_view)), NULL);
 427         shown_n_rows = gtk_tree_model_iter_n_children
 428                 (gtk_tree_view_get_model(GTK_TREE_VIEW
 429                         (folder_col.shown_list_view)), NULL);
 430
 431         g_return_if_fail
 432                 (stock_n_rows + shown_n_rows == N_FOLDER_COLS);
 433
 434         for (row = 0; row < stock_n_rows; row++) {
 435                 type = prefs_folder_column_get_column
 436                         (folder_col.stock_list_view, row);
 437                 state[row].type = type;
 438                 state[row].visible = FALSE;
 439         }
 440
 441         pos = row;
 442         for (row = 0; row < shown_n_rows; row++) {
 443                 type = prefs_folder_column_get_column
 444                         (folder_col.shown_list_view, row);
 445                 state[pos + row].type = type;
 446                 state[pos + row].visible = TRUE;
 447         }
 448
 449         prefs_folder_column_set_config(state);
 450         main_window_set_folder_column();
 451 }
 452
 453 static void prefs_folder_column_add(void)
 454 {
 455         GtkListStore *stock_store, *shown_store;
 456         GtkTreeIter stock_sel, shown_sel, shown_add;
 457         gboolean shown_sel_valid;
 458         gchar *name;
 459         FolderColumnType type;
 460
 461         stock_store = GTK_LIST_STORE(gtk_tree_view_get_model
 462                 (GTK_TREE_VIEW(folder_col.stock_list_view)));
 463         shown_store = GTK_LIST_STORE(gtk_tree_view_get_model
 464                 (GTK_TREE_VIEW(folder_col.shown_list_view)));
 465
 466         if (!gtk_tree_selection_get_selected
 467                 (gtk_tree_view_get_selection
 468                         (GTK_TREE_VIEW(folder_col.stock_list_view)),
 469                  NULL,
 470                  &stock_sel))
 471                 return;
 472
 473         shown_sel_valid = gtk_tree_selection_get_selected
 474                 (gtk_tree_view_get_selection
 475                         (GTK_TREE_VIEW(folder_col.shown_list_view)),
 476                  NULL,
 477                  &shown_sel);
 478
 479         gtk_tree_model_get(GTK_TREE_MODEL(stock_store), &stock_sel,
 480                            SUMCOL_TYPE, &type,
 481                            -1);
 482
 483         gtk_list_store_remove(stock_store, &stock_sel);
 484
 485         gtk_list_store_insert_after(shown_store, &shown_add,
 486                                     shown_sel_valid ? &shown_sel : NULL);
 487
 488         name = gettext(col_name[type]);
 489
 490         gtk_list_store_set(shown_store, &shown_add,
 491                            SUMCOL_NAME, name,
 492                            SUMCOL_TYPE, type,
 493                            -1);
 494
 495         gtk_tree_selection_select_iter(gtk_tree_view_get_selection
 496                 (GTK_TREE_VIEW(folder_col.shown_list_view)),
 497                  &shown_add);
 498 }
 499
 500 static void prefs_folder_column_remove(void)
 501 {
 502         GtkListStore *stock_store, *shown_store;
 503         GtkTreeIter shown_sel, stock_sel, stock_add;
 504         gboolean stock_sel_valid;
 505         gchar *name;
 506         FolderColumnType type;
 507
 508         stock_store = GTK_LIST_STORE(gtk_tree_view_get_model
 509                 (GTK_TREE_VIEW(folder_col.stock_list_view)));
 510         shown_store = GTK_LIST_STORE(gtk_tree_view_get_model
 511                 (GTK_TREE_VIEW(folder_col.shown_list_view)));
 512
 513         if (!gtk_tree_selection_get_selected
 514                 (gtk_tree_view_get_selection
 515                         (GTK_TREE_VIEW(folder_col.shown_list_view)),
 516                  NULL,
 517                  &shown_sel))
 518                 return;
 519
 520         stock_sel_valid = gtk_tree_selection_get_selected
 521                 (gtk_tree_view_get_selection
 522                         (GTK_TREE_VIEW(folder_col.stock_list_view)),
 523                  NULL,
 524                  &stock_sel);
 525
 526         gtk_tree_model_get(GTK_TREE_MODEL(shown_store), &shown_sel,
 527                            SUMCOL_TYPE, &type,
 528                            -1);
 529
 530         gtk_list_store_remove(shown_store, &shown_sel);
 531
 532         gtk_list_store_insert_after(stock_store, &stock_add,
 533                                     stock_sel_valid ? &stock_sel : NULL);
 534
 535         name = gettext(col_name[type]);
 536
 537         gtk_list_store_set(stock_store, &stock_add,
 538                            SUMCOL_NAME, name,
 539                            SUMCOL_TYPE, type,
 540                            -1);
 541
 542         gtk_tree_selection_select_iter(gtk_tree_view_get_selection
 543                 (GTK_TREE_VIEW(folder_col.stock_list_view)),
 544                 &stock_add);
 545 }
 546
 547 static void prefs_folder_column_up(void)
 548 {
 549         GtkTreePath *prev, *sel;
 550         GtkTreeIter isel;
 551         GtkListStore *shown_store;
 552         GtkTreeIter iprev;
 553
 554         if (!gtk_tree_selection_get_selected
 555                 (gtk_tree_view_get_selection
 556                         (GTK_TREE_VIEW(folder_col.shown_list_view)),
 557                  NULL,
 558                  &isel))
 559                 return;
 560
 561         shown_store = GTK_LIST_STORE(gtk_tree_view_get_model
 562                 (GTK_TREE_VIEW(folder_col.shown_list_view)));
 563
 564         sel = gtk_tree_model_get_path(GTK_TREE_MODEL(shown_store),
 565                                       &isel);
 566         if (!sel)
 567                 return;
 568
 569         prev = gtk_tree_path_copy(sel);
 570         if (!gtk_tree_path_prev(prev)) {
 571                 gtk_tree_path_free(prev);
 572                 gtk_tree_path_free(sel);
 573                 return;
 574         }
 575
 576         gtk_tree_model_get_iter(GTK_TREE_MODEL(shown_store),
 577                                 &iprev, prev);
 578         gtk_tree_path_free(sel);
 579         gtk_tree_path_free(prev);
 580
 581         gtk_list_store_swap(shown_store, &iprev, &isel);
 582 }
 583
 584 static void prefs_folder_column_down(void)
 585 {
 586         GtkListStore *shown_store;
 587         GtkTreeIter next, sel;
 588
 589         if (!gtk_tree_selection_get_selected
 590                 (gtk_tree_view_get_selection
 591                         (GTK_TREE_VIEW(folder_col.shown_list_view)),
 592                  NULL,
 593                  &sel))
 594                 return;
 595
 596         shown_store = GTK_LIST_STORE(gtk_tree_view_get_model
 597                 (GTK_TREE_VIEW(folder_col.shown_list_view)));
 598
 599         next = sel;
 600         if (!gtk_tree_model_iter_next(GTK_TREE_MODEL(shown_store), &next))
 601                 return;
 602
 603         gtk_list_store_swap(shown_store, &next, &sel);
 604 }
 605
 606 static void prefs_folder_column_set_to_default(void)
 607 {
 608         prefs_folder_column_set_dialog(default_state);
 609 }
 610
 611 static void prefs_folder_column_ok(void)
 612 {
 613         if (!folder_col.finished) {
 614                 folder_col.finished = TRUE;
 615                 prefs_folder_column_set_view();
 616         }
 617 }
 618
 619 static void prefs_folder_column_cancel(void)
 620 {
 621         folder_col.finished = TRUE;
 622 }
 623
 624 static gint prefs_folder_column_delete_event(GtkWidget *widget,
 625                                               GdkEventAny *event,
 626                                               gpointer data)
 627 {
 628         folder_col.finished = TRUE;
 629         return TRUE;
 630 }
 631
 632 static gboolean prefs_folder_column_key_pressed(GtkWidget *widget,
 633                                                  GdkEventKey *event,
 634                                                  gpointer data)
 635 {
 636         if (event && event->keyval == GDK_Escape)
 637                 folder_col.finished = TRUE;
 638         return FALSE;
 639 }
 640
 641 static GtkListStore *prefs_folder_column_create_store(void)
 642 {
 643         return gtk_list_store_new(N_SUMCOL_COLUMNS,
 644                                   G_TYPE_STRING,
 645                                   G_TYPE_INT,
 646                                   -1);
 647 }
 648
 649 static void prefs_folder_column_insert_column(GtkListStore *store,
 650                                                gint row,
 651                                                const gchar *name,
 652                                                FolderColumnType type)
 653 {
 654         GtkTreeIter iter;
 655
 656         if (row >= 0) {
 657                 if (!gtk_tree_model_iter_nth_child(GTK_TREE_MODEL(store),
 658                                                    &iter, NULL, row))
 659                         row = -1;
 660         }
 661         if (row < 0) {
 662                 /* add new */
 663                 gtk_list_store_append(store, &iter);
 664                 gtk_list_store_set(store, &iter,
 665                                    SUMCOL_NAME, name,
 666                                    SUMCOL_TYPE, type,
 667                                    -1);
 668                 return;
 669         } else {
 670                 /* change existing */
 671                 gtk_list_store_set(store, &iter,
 672                                    SUMCOL_NAME, name,
 673                                    SUMCOL_TYPE, type,
 674                                    -1);
 675         }
 676 }
 677
 678 /*!
 679  *\brief        Return the columnn type for a row
 680  */
 681 static FolderColumnType prefs_folder_column_get_column(GtkWidget *list, gint row)
 682 {
 683         GtkTreeView *list_view = GTK_TREE_VIEW(list);
 684         GtkTreeModel *model = gtk_tree_view_get_model(list_view);
 685         GtkTreeIter iter;
 686         FolderColumnType result;
 687
 688         if (!gtk_tree_model_iter_nth_child(model, &iter, NULL, row))
 689                 return -1;
 690
 691         gtk_tree_model_get(model, &iter,
 692                            SUMCOL_TYPE, &result,
 693                            -1);
 694
 695         return result;
 696 }
 697
 698 static GtkWidget *prefs_folder_column_list_view_create(const gchar *name)
 699 {
 700         GtkWidget *list_view;
 701         GtkTreeSelection *selector;
 702         GtkTreeModel *model;
 703
 704         model = GTK_TREE_MODEL(prefs_folder_column_create_store());
 705         list_view = gtk_tree_view_new_with_model(model);
 706         g_object_unref(G_OBJECT(model));
 707
 708         gtk_tree_view_set_rules_hint(GTK_TREE_VIEW(list_view),
 709                                      prefs_common.enable_rules_hint);
 710
 711         selector = gtk_tree_view_get_selection(GTK_TREE_VIEW(list_view));
 712         gtk_tree_selection_set_mode(selector, GTK_SELECTION_BROWSE);
 713
 714         prefs_filtering_create_list_view_columns(GTK_WIDGET(list_view), name);
 715
 716         gtk_tree_view_enable_model_drag_source(GTK_TREE_VIEW(list_view),
 717                                                GDK_BUTTON1_MASK,
 718                                                row_targets,
 719                                                G_N_ELEMENTS(row_targets),
 720                                                GDK_ACTION_MOVE);
 721
 722         gtk_tree_view_enable_model_drag_dest(GTK_TREE_VIEW(list_view),
 723                                              row_targets,
 724                                              G_N_ELEMENTS(row_targets),
 725                                              GDK_ACTION_MOVE);
 726
 727         g_signal_connect(G_OBJECT(list_view), "drag_data_get",
 728                          G_CALLBACK(drag_data_get),
 729                          model);
 730
 731         g_signal_connect(G_OBJECT(list_view), "drag_data_received",
 732                          G_CALLBACK(drag_data_received),
 733                          model);
 734
 735         return list_view;
 736 }
 737
 738 static void prefs_filtering_create_list_view_columns(GtkWidget *list_view,
 739                                                      const gchar *name)
 740 {
 741         GtkTreeViewColumn *column;
 742         GtkCellRenderer *renderer;
 743
 744         renderer = gtk_cell_renderer_text_new();
 745         column = gtk_tree_view_column_new_with_attributes
 746                 (name, renderer, "text", SUMCOL_NAME, NULL);
 747         gtk_tree_view_append_column(GTK_TREE_VIEW(list_view), column);
 748 }
 749
 750 static void drag_data_get(GtkTreeView *tree_view, GdkDragContext *context,
 751                           GtkSelectionData *data, guint info,
 752                           guint time, GtkTreeModel *model)
 753 {
 754         GtkTreeIter iter;
 755         FolderColumnType type;
 756         GtkTreeModel *source_model;
 757
 758         if (info != TARGET_INFO_SUMCOL)
 759                 return;
 760
 761         if (!gtk_tree_selection_get_selected
 762                         (gtk_tree_view_get_selection(tree_view),
 763                          &source_model, &iter))
 764                 return;
 765
 766         gtk_tree_model_get(source_model, &iter,
 767                            SUMCOL_TYPE, &type,
 768                            -1);
 769
 770         /* send the type */
 771         gtk_selection_data_set(data, data->target, 8, (gchar *) &type, sizeof type);
 772 }
 773
 774 static void drag_data_received(GtkTreeView *tree_view, GdkDragContext *context,
 775                                gint x, gint y, GtkSelectionData *data,
 776                                guint info, guint time, GtkTreeModel *model)
 777 {
 778         GtkWidget *source;
 779         GtkTreePath *dst = NULL, *sel = NULL;
 780         GtkTreeIter isel, idst;
 781         GtkTreeViewDropPosition pos;
 782         FolderColumnType type;
 783         GtkTreeModel *sel_model;
 784         gchar *name;
 785
 786         source = gtk_drag_get_source_widget(context);
 787
 788         if (source == GTK_WIDGET(tree_view)) {
 789
 790                 /*
 791                  * Same widget: re-order
 792                  */
 793
 794                 gtk_tree_selection_get_selected(gtk_tree_view_get_selection(tree_view),
 795                                            NULL, &isel);
 796                 sel = gtk_tree_model_get_path(model, &isel);
 797                 gtk_tree_view_get_dest_row_at_pos(tree_view, x, y,
 798                                                   &dst, &pos);
 799
 800                 /* NOTE: dst is invalid if selection beyond last row, in that
 801                  * case move beyond last one (XXX_move_before(..., NULL)) */
 802
 803                 if (dst)
 804                         gtk_tree_model_get_iter(model, &idst, dst);
 805                 else
 806                         gtk_list_store_move_before(GTK_LIST_STORE(model),
 807                                                    &isel,
 808                                                    NULL);
 809
 810                 /* we do not drag if no valid dst and sel, and when
 811                  * dst and sel are the same (moving after or before
 812                  * itself doesn't change order...) */
 813                 if ((dst && sel) && gtk_tree_path_compare(sel, dst) != 0) {
 814                         if (pos == GTK_TREE_VIEW_DROP_BEFORE
 815                         ||  pos == GTK_TREE_VIEW_DROP_INTO_OR_BEFORE)
 816                                 gtk_list_store_move_before(GTK_LIST_STORE(model),
 817                                                            &isel,
 818                                                            &idst);
 819                         else
 820                                 gtk_list_store_move_after(GTK_LIST_STORE(model),
 821                                                           &isel,
 822                                                           &idst);
 823
 824                 }
 825                 gtk_tree_path_free(dst);
 826                 gtk_tree_path_free(sel);
 827                 gtk_drag_finish(context, TRUE, FALSE, time);
 828
 829         } else if (source == folder_col.stock_list_view
 830         ||         source == folder_col.shown_list_view) {
 831
 832                 /*
 833                  * Other widget: change and update
 834                  */
 835
 836
 837                 /* get source information and remove */
 838                 gtk_tree_selection_get_selected(gtk_tree_view_get_selection(
 839                                                 GTK_TREE_VIEW(source)),
 840                                                 &sel_model, &isel);
 841                 type = *((gint *) data->data);
 842                 name = gettext(col_name[type]);
 843                 gtk_list_store_remove(GTK_LIST_STORE(sel_model), &isel);
 844
 845                 /* get insertion position */
 846                 gtk_tree_view_get_dest_row_at_pos(tree_view, x, y, &dst, &pos);
 847
 848                 /* NOTE: dst is invalid if insertion point beyond last row,
 849                  * just append to list in that case (XXX_store_append()) */
 850
 851                 if (dst) {
 852                         gtk_tree_model_get_iter(model, &idst, dst);
 853
 854                         if (pos == GTK_TREE_VIEW_DROP_BEFORE
 855                         ||  pos == GTK_TREE_VIEW_DROP_INTO_OR_BEFORE)
 856                                 gtk_list_store_insert_before(GTK_LIST_STORE(model),
 857                                                              &isel,
 858                                                              &idst);
 859                         else
 860                                 gtk_list_store_insert_after(GTK_LIST_STORE(model),
 861                                                             &isel,
 862                                                             &idst);
 863                 } else
 864                         gtk_list_store_append(GTK_LIST_STORE(model),
 865                                               &isel);
 866
 867                 gtk_list_store_set(GTK_LIST_STORE(model), &isel,
 868                                    SUMCOL_NAME, name,
 869                                    SUMCOL_TYPE, type, -1);
 870                 gtk_tree_path_free(dst);
 871                 gtk_drag_finish(context, TRUE, FALSE, time);
 872         }
 873
 874         /* XXXX: should we call gtk_drag_finish() for other code paths? */
 875 }
 876