src/prefs_folder_column.c

   1 /*
   2  * Claws Mail -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2017 Hiroyuki Yamamoto & the Claws Mail 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 3 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, see <http://www.gnu.org/licenses/>.
  17  */
  18
  19 #ifdef HAVE_CONFIG_H
  20 #  include "config.h"
  21 #include "claws-features.h"
  22 #endif
  23
  24 #include "defs.h"
  25
  26 #include <glib.h>
  27 #include <glib/gi18n.h>
  28 #include <gtk/gtk.h>
  29 #include <gdk/gdkkeysyms.h>
  30
  31 #include "prefs_gtk.h"
  32 #include "prefs_common.h"
  33 #include "prefs_folder_column.h"
  34 #include "manage_window.h"
  35 #include "folderview.h"
  36 #include "mainwindow.h"
  37 #include "inc.h"
  38 #include "gtkutils.h"
  39 #include "utils.h"
  40
  41 static void prefs_folder_column_set_config(FolderColumnState *state);
  42
  43 enum {
  44         SUMCOL_NAME,
  45         SUMCOL_TYPE,
  46         N_SUMCOL_COLUMNS
  47 };
  48
  49 #define TARGET_INFO_SUMCOL  (0xFEEDBABE)
  50
  51 static const GtkTargetEntry row_targets[] = {
  52         { "PREFS_SUM_COL_MODEL_ROW", GTK_TARGET_SAME_APP, TARGET_INFO_SUMCOL }
  53 };
  54
  55
  56 static struct _FolderColumnDialog
  57 {
  58         GtkWidget *window;
  59
  60         GtkWidget *stock_list_view;
  61         GtkWidget *shown_list_view;
  62
  63         GtkWidget *add_btn;
  64         GtkWidget *remove_btn;
  65         GtkWidget *up_btn;
  66         GtkWidget *down_btn;
  67
  68         GtkWidget *default_btn;
  69
  70         GtkWidget *ok_btn;
  71         GtkWidget *cancel_btn;
  72
  73         gboolean finished;
  74 } folder_col;
  75
  76 static const gchar *const col_name[N_FOLDER_COLS] = {
  77         N_("Folder"),           /* F_COL_FOLDER  */
  78         N_("New"),              /* F_COL_NEW     */
  79         N_("Unread"),           /* F_COL_UNREAD  */
  80         N_("Total"),            /* F_COL_TOTAL   */
  81 };
  82
  83 static FolderColumnState default_state[N_FOLDER_COLS] = {
  84         { F_COL_FOLDER   , TRUE  },
  85         { F_COL_NEW      , TRUE  },
  86         { F_COL_UNREAD   , TRUE  },
  87         { F_COL_TOTAL    , TRUE  },
  88 };
  89
  90 static void prefs_folder_column_create  (void);
  91
  92 static void prefs_folder_column_set_dialog      (FolderColumnState *state);
  93 static void prefs_folder_column_set_view        (void);
  94
  95 /* callback functions */
  96 static void prefs_folder_column_add     (void);
  97 static void prefs_folder_column_remove  (void);
  98
  99 static void prefs_folder_column_up      (void);
 100 static void prefs_folder_column_down    (void);
 101
 102 static void prefs_folder_column_set_to_default  (void);
 103
 104 static void prefs_folder_column_ok      (void);
 105 static void prefs_folder_column_cancel  (void);
 106
 107 static gint prefs_folder_column_delete_event    (GtkWidget      *widget,
 108                                                  GdkEventAny    *event,
 109                                                  gpointer        data);
 110 static gboolean prefs_folder_column_key_pressed(GtkWidget       *widget,
 111                                                  GdkEventKey    *event,
 112                                                  gpointer        data);
 113
 114 static GtkListStore *prefs_folder_column_create_store   (void);
 115
 116 static void prefs_folder_column_insert_column   (GtkListStore *store,
 117                                                  gint row,
 118                                                  const gchar *name,
 119                                                  FolderColumnType type);
 120
 121 static FolderColumnType prefs_folder_column_get_column  (GtkWidget *list,
 122                                                                  gint row);
 123
 124 static GtkWidget *prefs_folder_column_list_view_create  (const gchar *name);
 125
 126 static void prefs_filtering_create_list_view_columns    (GtkWidget *list_view,
 127                                                          const gchar *name);
 128
 129 static void drag_data_get       (GtkTreeView *tree_view,
 130                                  GdkDragContext *context,
 131                                  GtkSelectionData *data,
 132                                  guint info,
 133                                  guint time,
 134                                  GtkTreeModel *model);
 135
 136 static void drag_data_received  (GtkTreeView *tree_view,
 137                                  GdkDragContext *context,
 138                                  gint x, gint y,
 139                                  GtkSelectionData *data,
 140                                  guint info,
 141                                  guint time,
 142                                  GtkTreeModel *model);
 143
 144 static void prefs_folder_column_shown_set_btn_sensitivity(void);
 145 static void prefs_folder_column_shown_set_active(const gboolean active);
 146 static void prefs_folder_column_stock_set_active(const gboolean active);
 147 static void prefs_folder_column_shown_sel_changed(void);
 148 static void prefs_folder_column_stock_sel_changed(void);
 149
 150
 151 void prefs_folder_column_open(void)
 152 {
 153         inc_lock();
 154
 155         if (!folder_col.window)
 156                 prefs_folder_column_create();
 157
 158         manage_window_set_transient(GTK_WINDOW(folder_col.window));
 159         gtk_widget_grab_focus(folder_col.ok_btn);
 160
 161         prefs_folder_column_set_dialog(NULL);
 162
 163         gtk_widget_show(folder_col.window);
 164         gtk_window_set_modal(GTK_WINDOW(folder_col.window), TRUE);
 165
 166         folder_col.finished = FALSE;
 167         while (folder_col.finished == FALSE)
 168                 gtk_main_iteration();
 169
 170         gtk_widget_hide(folder_col.window);
 171         gtk_window_set_modal(GTK_WINDOW(folder_col.window), FALSE);
 172
 173         inc_unlock();
 174 }
 175
 176 static void prefs_folder_column_create(void)
 177 {
 178         GtkWidget *window;
 179         GtkWidget *vbox;
 180
 181         GtkWidget *label_hbox;
 182         GtkWidget *label;
 183
 184         GtkWidget *vbox1;
 185
 186         GtkWidget *hbox1;
 187         GtkWidget *clist_hbox;
 188         GtkWidget *scrolledwin;
 189         GtkWidget *stock_list_view;
 190         GtkWidget *shown_list_view;
 191
 192         GtkWidget *btn_vbox;
 193         GtkWidget *add_btn;
 194         GtkWidget *remove_btn;
 195         GtkWidget *up_btn;
 196         GtkWidget *down_btn;
 197
 198         GtkWidget *btn_hbox;
 199         GtkWidget *default_btn;
 200         GtkWidget *confirm_area;
 201         GtkWidget *ok_btn;
 202         GtkWidget *cancel_btn;
 203
 204         debug_print("Creating folder column setting window...\n");
 205
 206         window = gtkut_window_new(GTK_WINDOW_TOPLEVEL, "prefs_folder_column");
 207         gtk_container_set_border_width(GTK_CONTAINER(window), 8);
 208         gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
 209         gtk_window_set_resizable(GTK_WINDOW(window), FALSE);
 210         gtk_window_set_title(GTK_WINDOW(window),
 211                              _("Folder list columns configuration"));
 212         g_signal_connect(G_OBJECT(window), "delete_event",
 213                          G_CALLBACK(prefs_folder_column_delete_event),
 214                          NULL);
 215         g_signal_connect(G_OBJECT(window), "key_press_event",
 216                          G_CALLBACK(prefs_folder_column_key_pressed),
 217                          NULL);
 218
 219         vbox = gtk_vbox_new(FALSE, 6);
 220         gtk_widget_show(vbox);
 221         gtk_container_add(GTK_CONTAINER(window), vbox);
 222
 223         label_hbox = gtk_hbox_new(FALSE, 0);
 224         gtk_widget_show(label_hbox);
 225         gtk_box_pack_start(GTK_BOX(vbox), label_hbox, FALSE, FALSE, 4);
 226
 227         label = gtk_label_new
 228                 (_("Select columns to be displayed in the folder list. You can modify\n"
 229                    "the order by using the Up / Down buttons or by dragging the items."));
 230         gtk_widget_show(label);
 231         gtk_box_pack_start(GTK_BOX(label_hbox), label, FALSE, FALSE, 4);
 232         gtk_label_set_justify(GTK_LABEL(label), GTK_JUSTIFY_LEFT);
 233
 234         vbox1 = gtk_vbox_new(FALSE, VSPACING);
 235         gtk_widget_show(vbox1);
 236         gtk_box_pack_start(GTK_BOX(vbox), vbox1, TRUE, TRUE, 0);
 237         gtk_container_set_border_width(GTK_CONTAINER(vbox1), 2);
 238
 239         hbox1 = gtk_hbox_new(FALSE, 8);
 240         gtk_widget_show(hbox1);
 241         gtk_box_pack_start(GTK_BOX(vbox1), hbox1, FALSE, TRUE, 0);
 242
 243         clist_hbox = gtk_hbox_new(FALSE, 8);
 244         gtk_widget_show(clist_hbox);
 245         gtk_box_pack_start(GTK_BOX(hbox1), clist_hbox, TRUE, TRUE, 0);
 246
 247         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 248         gtk_widget_set_size_request(scrolledwin, 180, 210);
 249         gtk_widget_show(scrolledwin);
 250         gtk_box_pack_start(GTK_BOX(clist_hbox), scrolledwin, TRUE, TRUE, 0);
 251         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
 252                                        GTK_POLICY_AUTOMATIC,
 253                                        GTK_POLICY_AUTOMATIC);
 254         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolledwin),
 255                                            GTK_SHADOW_IN);
 256
 257         stock_list_view = prefs_folder_column_list_view_create
 258                                 (_("Hidden columns"));
 259         g_signal_connect(G_OBJECT(stock_list_view), "cursor-changed",
 260                            G_CALLBACK(prefs_folder_column_stock_sel_changed),
 261                            NULL);
 262         gtk_widget_show(stock_list_view);
 263         gtk_container_add(GTK_CONTAINER(scrolledwin), stock_list_view);
 264
 265         /* add/remove button */
 266         btn_vbox = gtk_vbox_new(FALSE, 8);
 267         gtk_widget_show(btn_vbox);
 268         gtk_box_pack_start(GTK_BOX(hbox1), btn_vbox, FALSE, FALSE, 0);
 269
 270         add_btn = gtk_button_new_from_stock(GTK_STOCK_ADD);
 271         gtk_widget_show(add_btn);
 272         gtk_box_pack_start(GTK_BOX(btn_vbox), add_btn, FALSE, TRUE, 0);
 273
 274         g_signal_connect(G_OBJECT(add_btn), "clicked",
 275                          G_CALLBACK(prefs_folder_column_add), NULL);
 276
 277         remove_btn = gtk_button_new_from_stock(GTK_STOCK_REMOVE);
 278         gtk_widget_show(remove_btn);
 279         gtk_box_pack_start(GTK_BOX(btn_vbox), remove_btn, FALSE, TRUE, 0);
 280
 281         g_signal_connect(G_OBJECT(remove_btn), "clicked",
 282                          G_CALLBACK(prefs_folder_column_remove), NULL);
 283
 284         clist_hbox = gtk_hbox_new(FALSE, 8);
 285         gtk_widget_show(clist_hbox);
 286         gtk_box_pack_start(GTK_BOX(hbox1), clist_hbox, TRUE, TRUE, 0);
 287
 288         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 289         gtk_widget_set_size_request(scrolledwin, 180, 210);
 290         gtk_widget_show(scrolledwin);
 291         gtk_box_pack_start(GTK_BOX(clist_hbox), scrolledwin, TRUE, TRUE, 0);
 292         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
 293                                        GTK_POLICY_AUTOMATIC,
 294                                        GTK_POLICY_AUTOMATIC);
 295         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolledwin),
 296                                            GTK_SHADOW_IN);
 297
 298         shown_list_view = prefs_folder_column_list_view_create
 299                                 (_("Displayed columns"));
 300         g_signal_connect(G_OBJECT(shown_list_view), "cursor-changed",
 301                            G_CALLBACK(prefs_folder_column_shown_sel_changed),
 302                            NULL);
 303         gtk_widget_show(shown_list_view);
 304         gtk_container_add(GTK_CONTAINER(scrolledwin), shown_list_view);
 305
 306         /* up/down button */
 307         btn_vbox = gtk_vbox_new(FALSE, 8);
 308         gtk_widget_show(btn_vbox);
 309         gtk_box_pack_start(GTK_BOX(hbox1), btn_vbox, FALSE, FALSE, 0);
 310
 311         up_btn = gtk_button_new_from_stock(GTK_STOCK_GO_UP);
 312         gtk_widget_show(up_btn);
 313         gtk_box_pack_start(GTK_BOX(btn_vbox), up_btn, FALSE, TRUE, 0);
 314
 315         down_btn = gtk_button_new_from_stock(GTK_STOCK_GO_DOWN);
 316         gtk_widget_show(down_btn);
 317         gtk_box_pack_start(GTK_BOX(btn_vbox), down_btn, FALSE, TRUE, 0);
 318
 319         g_signal_connect(G_OBJECT(up_btn), "clicked",
 320                          G_CALLBACK(prefs_folder_column_up), NULL);
 321         g_signal_connect(G_OBJECT(down_btn), "clicked",
 322                          G_CALLBACK(prefs_folder_column_down), NULL);
 323
 324         btn_hbox = gtk_hbox_new(FALSE, 8);
 325         gtk_widget_show(btn_hbox);
 326         gtk_box_pack_end(GTK_BOX(vbox), btn_hbox, FALSE, FALSE, 0);
 327
 328         btn_vbox = gtk_vbox_new(FALSE, 0);
 329         gtk_widget_show(btn_vbox);
 330         gtk_box_pack_start(GTK_BOX(btn_hbox), btn_vbox, FALSE, FALSE, 0);
 331
 332         default_btn = gtk_button_new_with_label(_(" Use default "));
 333         gtk_widget_show(default_btn);
 334         gtk_box_pack_start(GTK_BOX(btn_vbox), default_btn, TRUE, FALSE, 0);
 335         g_signal_connect(G_OBJECT(default_btn), "clicked",
 336                          G_CALLBACK(prefs_folder_column_set_to_default),
 337                          NULL);
 338
 339         gtkut_stock_button_set_create(&confirm_area,
 340                                       &cancel_btn, GTK_STOCK_CANCEL,
 341                                       &ok_btn, GTK_STOCK_OK,
 342                                       NULL, NULL);
 343         gtk_widget_show(confirm_area);
 344         gtk_box_pack_end(GTK_BOX(btn_hbox), confirm_area, FALSE, FALSE, 0);
 345         gtk_widget_grab_default(ok_btn);
 346
 347         g_signal_connect(G_OBJECT(ok_btn), "clicked",
 348                          G_CALLBACK(prefs_folder_column_ok), NULL);
 349         g_signal_connect(G_OBJECT(cancel_btn), "clicked",
 350                          G_CALLBACK(prefs_folder_column_cancel), NULL);
 351
 352         folder_col.window      = window;
 353         folder_col.add_btn     = add_btn;
 354         folder_col.remove_btn  = remove_btn;
 355         folder_col.up_btn      = up_btn;
 356         folder_col.down_btn    = down_btn;
 357         folder_col.ok_btn      = ok_btn;
 358         folder_col.cancel_btn  = cancel_btn;
 359         folder_col.stock_list_view = stock_list_view;
 360         folder_col.shown_list_view = shown_list_view;
 361
 362         prefs_folder_column_shown_set_active(FALSE);
 363         prefs_folder_column_stock_set_active(FALSE);
 364 }
 365
 366 FolderColumnState *prefs_folder_column_get_config(void)
 367 {
 368         static FolderColumnState state[N_FOLDER_COLS];
 369         FolderColumnType type;
 370         gint pos;
 371
 372         for (pos = 0; pos < N_FOLDER_COLS; pos++)
 373                 state[pos].type = -1;
 374
 375         for (type = 0; type < N_FOLDER_COLS; type++) {
 376                 pos = prefs_common.folder_col_pos[type];
 377                 if (pos < 0 || pos >= N_FOLDER_COLS ||
 378                     state[pos].type != -1) {
 379                         g_warning("Wrong column position");
 380                         prefs_folder_column_set_config(default_state);
 381                         return default_state;
 382                 }
 383
 384                 state[pos].type = type;
 385                 state[pos].visible = prefs_common.folder_col_visible[type];
 386         }
 387
 388         return state;
 389 }
 390
 391 static void prefs_folder_column_set_config(FolderColumnState *state)
 392 {
 393         FolderColumnType type;
 394         gint pos;
 395
 396         for (pos = 0; pos < N_FOLDER_COLS; pos++) {
 397                 type = state[pos].type;
 398                 prefs_common.folder_col_visible[type] = state[pos].visible;
 399                 prefs_common.folder_col_pos[type] = pos;
 400         }
 401 }
 402
 403 static void prefs_folder_column_set_dialog(FolderColumnState *state)
 404 {
 405         GtkListStore *stock_store, *shown_store;
 406         gint pos;
 407         FolderColumnType type;
 408         gchar *name;
 409
 410         stock_store = GTK_LIST_STORE(gtk_tree_view_get_model
 411                         (GTK_TREE_VIEW(folder_col.stock_list_view)));
 412         shown_store = GTK_LIST_STORE(gtk_tree_view_get_model
 413                         (GTK_TREE_VIEW(folder_col.shown_list_view)));
 414
 415         gtk_list_store_clear(stock_store);
 416         gtk_list_store_clear(shown_store);
 417
 418         if (!state)
 419                 state = prefs_folder_column_get_config();
 420
 421         for (pos = 0; pos < N_FOLDER_COLS; pos++) {
 422                 type = state[pos].type;
 423                 name = gettext(col_name[type]);
 424
 425                 if (state[pos].visible)
 426                         prefs_folder_column_insert_column(shown_store,
 427                                                            -1, name,
 428                                                            type);
 429                 else
 430                         prefs_folder_column_insert_column(stock_store,
 431                                                             -1, name,
 432                                                             type);
 433         }
 434 }
 435
 436 static void prefs_folder_column_set_view(void)
 437 {
 438         gint stock_n_rows, shown_n_rows;
 439         FolderColumnState state[N_FOLDER_COLS];
 440         FolderColumnType type;
 441         gint row, pos = 0;
 442
 443         stock_n_rows = gtk_tree_model_iter_n_children
 444                 (gtk_tree_view_get_model(GTK_TREE_VIEW
 445                         (folder_col.stock_list_view)), NULL);
 446         shown_n_rows = gtk_tree_model_iter_n_children
 447                 (gtk_tree_view_get_model(GTK_TREE_VIEW
 448                         (folder_col.shown_list_view)), NULL);
 449
 450         cm_return_if_fail
 451                 (stock_n_rows + shown_n_rows == N_FOLDER_COLS);
 452
 453         for (row = 0; row < stock_n_rows; row++) {
 454                 type = prefs_folder_column_get_column
 455                         (folder_col.stock_list_view, row);
 456                 state[row].type = type;
 457                 state[row].visible = FALSE;
 458         }
 459
 460         pos = row;
 461         for (row = 0; row < shown_n_rows; row++) {
 462                 type = prefs_folder_column_get_column
 463                         (folder_col.shown_list_view, row);
 464                 state[pos + row].type = type;
 465                 state[pos + row].visible = TRUE;
 466         }
 467
 468         prefs_folder_column_set_config(state);
 469         main_window_set_folder_column();
 470 }
 471
 472 static void prefs_folder_column_add(void)
 473 {
 474         GtkListStore *stock_store, *shown_store;
 475         GtkTreeIter stock_sel, shown_sel, shown_add;
 476         gboolean shown_sel_valid;
 477         gchar *name;
 478         FolderColumnType type;
 479
 480         stock_store = GTK_LIST_STORE(gtk_tree_view_get_model
 481                 (GTK_TREE_VIEW(folder_col.stock_list_view)));
 482         shown_store = GTK_LIST_STORE(gtk_tree_view_get_model
 483                 (GTK_TREE_VIEW(folder_col.shown_list_view)));
 484
 485         if (!gtk_tree_selection_get_selected
 486                 (gtk_tree_view_get_selection
 487                         (GTK_TREE_VIEW(folder_col.stock_list_view)),
 488                  NULL,
 489                  &stock_sel))
 490                 return;
 491
 492         shown_sel_valid = gtk_tree_selection_get_selected
 493                 (gtk_tree_view_get_selection
 494                         (GTK_TREE_VIEW(folder_col.shown_list_view)),
 495                  NULL,
 496                  &shown_sel);
 497
 498         gtk_tree_model_get(GTK_TREE_MODEL(stock_store), &stock_sel,
 499                            SUMCOL_TYPE, &type,
 500                            -1);
 501
 502         gtk_list_store_remove(stock_store, &stock_sel);
 503
 504         gtk_list_store_insert_after(shown_store, &shown_add,
 505                                     shown_sel_valid ? &shown_sel : NULL);
 506
 507         name = gettext(col_name[type]);
 508
 509         gtk_list_store_set(shown_store, &shown_add,
 510                            SUMCOL_NAME, name,
 511                            SUMCOL_TYPE, type,
 512                            -1);
 513
 514         gtk_tree_selection_select_iter(gtk_tree_view_get_selection
 515                 (GTK_TREE_VIEW(folder_col.shown_list_view)),
 516                  &shown_add);
 517         prefs_folder_column_shown_set_active(TRUE);
 518         prefs_folder_column_stock_set_active(FALSE);
 519 }
 520
 521 static void prefs_folder_column_remove(void)
 522 {
 523         GtkListStore *stock_store, *shown_store;
 524         GtkTreeIter shown_sel, stock_sel, stock_add;
 525         gboolean stock_sel_valid;
 526         gchar *name;
 527         FolderColumnType type;
 528
 529         stock_store = GTK_LIST_STORE(gtk_tree_view_get_model
 530                 (GTK_TREE_VIEW(folder_col.stock_list_view)));
 531         shown_store = GTK_LIST_STORE(gtk_tree_view_get_model
 532                 (GTK_TREE_VIEW(folder_col.shown_list_view)));
 533
 534         if (!gtk_tree_selection_get_selected
 535                 (gtk_tree_view_get_selection
 536                         (GTK_TREE_VIEW(folder_col.shown_list_view)),
 537                  NULL,
 538                  &shown_sel))
 539                 return;
 540
 541         stock_sel_valid = gtk_tree_selection_get_selected
 542                 (gtk_tree_view_get_selection
 543                         (GTK_TREE_VIEW(folder_col.stock_list_view)),
 544                  NULL,
 545                  &stock_sel);
 546
 547         gtk_tree_model_get(GTK_TREE_MODEL(shown_store), &shown_sel,
 548                            SUMCOL_TYPE, &type,
 549                            -1);
 550
 551         gtk_list_store_remove(shown_store, &shown_sel);
 552
 553         gtk_list_store_insert_after(stock_store, &stock_add,
 554                                     stock_sel_valid ? &stock_sel : NULL);
 555
 556         name = gettext(col_name[type]);
 557
 558         gtk_list_store_set(stock_store, &stock_add,
 559                            SUMCOL_NAME, name,
 560                            SUMCOL_TYPE, type,
 561                            -1);
 562
 563         gtk_tree_selection_select_iter(gtk_tree_view_get_selection
 564                 (GTK_TREE_VIEW(folder_col.stock_list_view)),
 565                 &stock_add);
 566         prefs_folder_column_shown_set_active(FALSE);
 567         prefs_folder_column_stock_set_active(TRUE);
 568 }
 569
 570 static void prefs_folder_column_up(void)
 571 {
 572         GtkTreePath *prev, *sel;
 573         GtkTreeIter isel;
 574         GtkListStore *shown_store;
 575         GtkTreeIter iprev;
 576
 577         if (!gtk_tree_selection_get_selected
 578                 (gtk_tree_view_get_selection
 579                         (GTK_TREE_VIEW(folder_col.shown_list_view)),
 580                  NULL,
 581                  &isel))
 582                 return;
 583
 584         shown_store = GTK_LIST_STORE(gtk_tree_view_get_model
 585                 (GTK_TREE_VIEW(folder_col.shown_list_view)));
 586
 587         sel = gtk_tree_model_get_path(GTK_TREE_MODEL(shown_store),
 588                                       &isel);
 589         if (!sel)
 590                 return;
 591
 592         prev = gtk_tree_path_copy(sel);
 593         if (!gtk_tree_path_prev(prev)) {
 594                 gtk_tree_path_free(prev);
 595                 gtk_tree_path_free(sel);
 596                 return;
 597         }
 598
 599         gtk_tree_model_get_iter(GTK_TREE_MODEL(shown_store),
 600                                 &iprev, prev);
 601         gtk_tree_path_free(sel);
 602         gtk_tree_path_free(prev);
 603
 604         gtk_list_store_swap(shown_store, &iprev, &isel);
 605         prefs_folder_column_shown_set_btn_sensitivity();
 606 }
 607
 608 static void prefs_folder_column_down(void)
 609 {
 610         GtkListStore *shown_store;
 611         GtkTreeIter next, sel;
 612
 613         if (!gtk_tree_selection_get_selected
 614                 (gtk_tree_view_get_selection
 615                         (GTK_TREE_VIEW(folder_col.shown_list_view)),
 616                  NULL,
 617                  &sel))
 618                 return;
 619
 620         shown_store = GTK_LIST_STORE(gtk_tree_view_get_model
 621                 (GTK_TREE_VIEW(folder_col.shown_list_view)));
 622
 623         next = sel;
 624         if (!gtk_tree_model_iter_next(GTK_TREE_MODEL(shown_store), &next))
 625                 return;
 626
 627         gtk_list_store_swap(shown_store, &next, &sel);
 628         prefs_folder_column_shown_set_btn_sensitivity();
 629 }
 630
 631 static void prefs_folder_column_set_to_default(void)
 632 {
 633         prefs_folder_column_set_dialog(default_state);
 634         prefs_folder_column_shown_set_active(FALSE);
 635         prefs_folder_column_stock_set_active(FALSE);
 636 }
 637
 638 static void prefs_folder_column_ok(void)
 639 {
 640         if (!folder_col.finished) {
 641                 folder_col.finished = TRUE;
 642                 prefs_folder_column_set_view();
 643         }
 644 }
 645
 646 static void prefs_folder_column_cancel(void)
 647 {
 648         folder_col.finished = TRUE;
 649 }
 650
 651 static gint prefs_folder_column_delete_event(GtkWidget *widget,
 652                                               GdkEventAny *event,
 653                                               gpointer data)
 654 {
 655         folder_col.finished = TRUE;
 656         return TRUE;
 657 }
 658
 659 static gboolean prefs_folder_column_key_pressed(GtkWidget *widget,
 660                                                  GdkEventKey *event,
 661                                                  gpointer data)
 662 {
 663         if (event && event->keyval == GDK_KEY_Escape)
 664                 folder_col.finished = TRUE;
 665         return FALSE;
 666 }
 667
 668 static GtkListStore *prefs_folder_column_create_store(void)
 669 {
 670         return gtk_list_store_new(N_SUMCOL_COLUMNS,
 671                                   G_TYPE_STRING,
 672                                   G_TYPE_INT,
 673                                   -1);
 674 }
 675
 676 static void prefs_folder_column_insert_column(GtkListStore *store,
 677                                                gint row,
 678                                                const gchar *name,
 679                                                FolderColumnType type)
 680 {
 681         GtkTreeIter iter;
 682
 683         if (row >= 0) {
 684                 if (!gtk_tree_model_iter_nth_child(GTK_TREE_MODEL(store),
 685                                                    &iter, NULL, row))
 686                         row = -1;
 687         }
 688         if (row < 0) {
 689                 /* add new */
 690                 gtk_list_store_append(store, &iter);
 691                 gtk_list_store_set(store, &iter,
 692                                    SUMCOL_NAME, name,
 693                                    SUMCOL_TYPE, type,
 694                                    -1);
 695                 return;
 696         } else {
 697                 /* change existing */
 698                 gtk_list_store_set(store, &iter,
 699                                    SUMCOL_NAME, name,
 700                                    SUMCOL_TYPE, type,
 701                                    -1);
 702         }
 703 }
 704
 705 /*!
 706  *\brief        Return the columnn type for a row
 707  */
 708 static FolderColumnType prefs_folder_column_get_column(GtkWidget *list, gint row)
 709 {
 710         GtkTreeView *list_view = GTK_TREE_VIEW(list);
 711         GtkTreeModel *model = gtk_tree_view_get_model(list_view);
 712         GtkTreeIter iter;
 713         FolderColumnType result;
 714
 715         if (!gtk_tree_model_iter_nth_child(model, &iter, NULL, row))
 716                 return -1;
 717
 718         gtk_tree_model_get(model, &iter,
 719                            SUMCOL_TYPE, &result,
 720                            -1);
 721
 722         return result;
 723 }
 724
 725 static GtkWidget *prefs_folder_column_list_view_create(const gchar *name)
 726 {
 727         GtkWidget *list_view;
 728         GtkTreeSelection *selector;
 729         GtkTreeModel *model;
 730
 731         model = GTK_TREE_MODEL(prefs_folder_column_create_store());
 732         list_view = gtk_tree_view_new_with_model(model);
 733         g_object_unref(G_OBJECT(model));
 734
 735         gtk_tree_view_set_rules_hint(GTK_TREE_VIEW(list_view),
 736                                      prefs_common.use_stripes_everywhere);
 737
 738         selector = gtk_tree_view_get_selection(GTK_TREE_VIEW(list_view));
 739         gtk_tree_selection_set_mode(selector, GTK_SELECTION_BROWSE);
 740
 741         prefs_filtering_create_list_view_columns(GTK_WIDGET(list_view), name);
 742
 743         gtk_tree_view_enable_model_drag_source(GTK_TREE_VIEW(list_view),
 744                                                GDK_BUTTON1_MASK,
 745                                                row_targets,
 746                                                G_N_ELEMENTS(row_targets),
 747                                                GDK_ACTION_MOVE);
 748
 749         gtk_tree_view_enable_model_drag_dest(GTK_TREE_VIEW(list_view),
 750                                              row_targets,
 751                                              G_N_ELEMENTS(row_targets),
 752                                              GDK_ACTION_MOVE);
 753
 754         g_signal_connect(G_OBJECT(list_view), "drag_data_get",
 755                          G_CALLBACK(drag_data_get),
 756                          model);
 757
 758         g_signal_connect(G_OBJECT(list_view), "drag_data_received",
 759                          G_CALLBACK(drag_data_received),
 760                          model);
 761
 762         return list_view;
 763 }
 764
 765 static void prefs_filtering_create_list_view_columns(GtkWidget *list_view,
 766                                                      const gchar *name)
 767 {
 768         GtkTreeViewColumn *column;
 769         GtkCellRenderer *renderer;
 770
 771         renderer = gtk_cell_renderer_text_new();
 772         column = gtk_tree_view_column_new_with_attributes
 773                 (name, renderer, "text", SUMCOL_NAME, NULL);
 774         gtk_tree_view_append_column(GTK_TREE_VIEW(list_view), column);
 775 }
 776
 777 static void drag_data_get(GtkTreeView *tree_view, GdkDragContext *context,
 778                           GtkSelectionData *data, guint info,
 779                           guint time, GtkTreeModel *model)
 780 {
 781         GtkTreeIter iter;
 782         FolderColumnType type;
 783         GtkTreeModel *source_model;
 784
 785         if (info != TARGET_INFO_SUMCOL)
 786                 return;
 787
 788         if (!gtk_tree_selection_get_selected
 789                         (gtk_tree_view_get_selection(tree_view),
 790                          &source_model, &iter))
 791                 return;
 792
 793         gtk_tree_model_get(source_model, &iter,
 794                            SUMCOL_TYPE, &type,
 795                            -1);
 796
 797         /* send the type */
 798         gtk_selection_data_set(data, gtk_selection_data_get_target(data), 8,
 799                 (gchar *) &type, sizeof type);
 800 }
 801
 802 static void drag_data_received(GtkTreeView *tree_view, GdkDragContext *context,
 803                                gint x, gint y, GtkSelectionData *data,
 804                                guint info, guint time, GtkTreeModel *model)
 805 {
 806         GtkWidget *source;
 807         GtkTreePath *dst = NULL, *sel = NULL;
 808         GtkTreeIter isel, idst;
 809         GtkTreeViewDropPosition pos;
 810         FolderColumnType type;
 811         GtkTreeModel *sel_model;
 812         gchar *name;
 813
 814         source = gtk_drag_get_source_widget(context);
 815
 816         if (source == GTK_WIDGET(tree_view)) {
 817
 818                 /*
 819                  * Same widget: re-order
 820                  */
 821
 822                 gtk_tree_selection_get_selected(gtk_tree_view_get_selection(tree_view),
 823                                            NULL, &isel);
 824                 sel = gtk_tree_model_get_path(model, &isel);
 825                 gtk_tree_view_get_dest_row_at_pos(tree_view, x, y,
 826                                                   &dst, &pos);
 827
 828                 /* NOTE: dst is invalid if selection beyond last row, in that
 829                  * case move beyond last one (XXX_move_before(..., NULL)) */
 830
 831                 if (dst)
 832                         gtk_tree_model_get_iter(model, &idst, dst);
 833                 else
 834                         gtk_list_store_move_before(GTK_LIST_STORE(model),
 835                                                    &isel,
 836                                                    NULL);
 837
 838                 /* we do not drag if no valid dst and sel, and when
 839                  * dst and sel are the same (moving after or before
 840                  * itself doesn't change order...) */
 841                 if ((dst && sel) && gtk_tree_path_compare(sel, dst) != 0) {
 842                         if (pos == GTK_TREE_VIEW_DROP_BEFORE
 843                         ||  pos == GTK_TREE_VIEW_DROP_INTO_OR_BEFORE)
 844                                 gtk_list_store_move_before(GTK_LIST_STORE(model),
 845                                                            &isel,
 846                                                            &idst);
 847                         else
 848                                 gtk_list_store_move_after(GTK_LIST_STORE(model),
 849                                                           &isel,
 850                                                           &idst);
 851
 852                 }
 853                 gtk_tree_path_free(dst);
 854                 gtk_tree_path_free(sel);
 855                 gtk_drag_finish(context, TRUE, FALSE, time);
 856
 857         } else if (source == folder_col.stock_list_view
 858         ||         source == folder_col.shown_list_view) {
 859
 860                 /*
 861                  * Other widget: change and update
 862                  */
 863
 864
 865                 /* get source information and remove */
 866                 gtk_tree_selection_get_selected(gtk_tree_view_get_selection(
 867                                                 GTK_TREE_VIEW(source)),
 868                                                 &sel_model, &isel);
 869                 type = *((gint *) gtk_selection_data_get_data(data));
 870                 name = gettext(col_name[type]);
 871                 gtk_list_store_remove(GTK_LIST_STORE(sel_model), &isel);
 872
 873                 /* get insertion position */
 874                 gtk_tree_view_get_dest_row_at_pos(tree_view, x, y, &dst, &pos);
 875
 876                 /* NOTE: dst is invalid if insertion point beyond last row,
 877                  * just append to list in that case (XXX_store_append()) */
 878
 879                 if (dst) {
 880                         gtk_tree_model_get_iter(model, &idst, dst);
 881
 882                         if (pos == GTK_TREE_VIEW_DROP_BEFORE
 883                         ||  pos == GTK_TREE_VIEW_DROP_INTO_OR_BEFORE)
 884                                 gtk_list_store_insert_before(GTK_LIST_STORE(model),
 885                                                              &isel,
 886                                                              &idst);
 887                         else
 888                                 gtk_list_store_insert_after(GTK_LIST_STORE(model),
 889                                                             &isel,
 890                                                             &idst);
 891                 } else
 892                         gtk_list_store_append(GTK_LIST_STORE(model),
 893                                               &isel);
 894
 895                 gtk_list_store_set(GTK_LIST_STORE(model), &isel,
 896                                    SUMCOL_NAME, name,
 897                                    SUMCOL_TYPE, type, -1);
 898                 gtk_tree_path_free(dst);
 899                 gtk_drag_finish(context, TRUE, FALSE, time);
 900         }
 901
 902         prefs_folder_column_shown_set_active(FALSE);
 903         prefs_folder_column_stock_set_active(FALSE);
 904
 905         /* XXXX: should we call gtk_drag_finish() for other code paths? */
 906 }
 907
 908 static void prefs_folder_column_shown_set_btn_sensitivity(void)
 909 {
 910         GtkTreeModel *model = GTK_TREE_MODEL(gtk_tree_view_get_model(
 911                 GTK_TREE_VIEW(folder_col.shown_list_view)));
 912         GtkTreeSelection *selection = gtk_tree_view_get_selection(
 913                 GTK_TREE_VIEW(folder_col.shown_list_view));
 914         GtkTreeIter iter;
 915         GtkTreePath *path;
 916
 917         if(!gtk_tree_selection_get_selected(selection, NULL, &iter)) {
 918                 gtk_widget_set_sensitive(folder_col.remove_btn, FALSE);
 919                 gtk_widget_set_sensitive(folder_col.up_btn, FALSE);
 920                 gtk_widget_set_sensitive(folder_col.down_btn, FALSE);
 921                 return;
 922         }
 923
 924         path = gtk_tree_model_get_path(model, &iter);
 925
 926         gtk_widget_set_sensitive(folder_col.up_btn, gtk_tree_path_prev(path));
 927         gtk_widget_set_sensitive(folder_col.down_btn,
 928                                  gtk_tree_model_iter_next(model, &iter));
 929         gtk_tree_path_free(path);
 930 }
 931
 932 static void prefs_folder_column_shown_set_active(const gboolean active)
 933 {
 934         GtkTreeSelection *selection = NULL;
 935
 936         gtk_widget_set_sensitive(folder_col.remove_btn, active);
 937
 938         if(active == FALSE) {
 939                 selection = gtk_tree_view_get_selection(
 940                         GTK_TREE_VIEW(folder_col.shown_list_view));
 941                 gtk_tree_selection_unselect_all(selection);
 942
 943                 gtk_widget_set_sensitive(folder_col.up_btn, FALSE);
 944                 gtk_widget_set_sensitive(folder_col.down_btn, FALSE);
 945         } else {
 946                 prefs_folder_column_shown_set_btn_sensitivity();
 947         }
 948 }
 949
 950 static void prefs_folder_column_stock_set_active(const gboolean active)
 951 {
 952         GtkTreeSelection *selection = NULL;
 953
 954         gtk_widget_set_sensitive(folder_col.add_btn, active);
 955
 956         if(active == FALSE) {
 957                 selection = gtk_tree_view_get_selection(
 958                         GTK_TREE_VIEW(folder_col.stock_list_view));
 959                 gtk_tree_selection_unselect_all(selection);
 960         }
 961 }
 962
 963 static void prefs_folder_column_stock_sel_changed(void)
 964 {
 965         GtkTreeSelection *selection = gtk_tree_view_get_selection(
 966                 GTK_TREE_VIEW(folder_col.stock_list_view));
 967         prefs_folder_column_stock_set_active(
 968                 (selection != NULL) ? TRUE : FALSE);
 969         prefs_folder_column_shown_set_active(
 970                 (selection != NULL) ? FALSE : TRUE);
 971 }
 972
 973 static void prefs_folder_column_shown_sel_changed(void)
 974 {
 975         GtkTreeSelection *selection = gtk_tree_view_get_selection(
 976                 GTK_TREE_VIEW(folder_col.shown_list_view));
 977         prefs_folder_column_shown_set_active(
 978                 (selection != NULL) ? TRUE : FALSE);
 979         prefs_folder_column_stock_set_active(
 980                 (selection != NULL) ? FALSE : TRUE);
 981 }