src/prefs_folder_column.c

   1 /*
   2  * Claws Mail -- a GTK based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2022 the Claws Mail team and Hiroyuki Yamamoto
   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_type_hint(GTK_WINDOW(window), GDK_WINDOW_TYPE_HINT_DIALOG);
 211         gtk_window_set_title(GTK_WINDOW(window),
 212                              _("Folder list columns configuration"));
 213         g_signal_connect(G_OBJECT(window), "delete_event",
 214                          G_CALLBACK(prefs_folder_column_delete_event),
 215                          NULL);
 216         g_signal_connect(G_OBJECT(window), "key_press_event",
 217                          G_CALLBACK(prefs_folder_column_key_pressed),
 218                          NULL);
 219
 220         vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 6);
 221         gtk_widget_show(vbox);
 222         gtk_container_add(GTK_CONTAINER(window), vbox);
 223
 224         label_hbox = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 0);
 225         gtk_widget_show(label_hbox);
 226         gtk_box_pack_start(GTK_BOX(vbox), label_hbox, FALSE, FALSE, 4);
 227
 228         label = gtk_label_new
 229                 (_("Select columns to be displayed in the folder list. You can modify\n"
 230                    "the order by using the Up / Down buttons or by dragging the items."));
 231         gtk_widget_show(label);
 232         gtk_box_pack_start(GTK_BOX(label_hbox), label, FALSE, FALSE, 4);
 233         gtk_label_set_justify(GTK_LABEL(label), GTK_JUSTIFY_LEFT);
 234
 235         vbox1 = gtk_box_new(GTK_ORIENTATION_VERTICAL, VSPACING);
 236         gtk_widget_show(vbox1);
 237         gtk_box_pack_start(GTK_BOX(vbox), vbox1, TRUE, TRUE, 0);
 238         gtk_container_set_border_width(GTK_CONTAINER(vbox1), 2);
 239
 240         hbox1 = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 8);
 241         gtk_widget_show(hbox1);
 242         gtk_box_pack_start(GTK_BOX(vbox1), hbox1, FALSE, TRUE, 0);
 243
 244         clist_hbox = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 8);
 245         gtk_widget_show(clist_hbox);
 246         gtk_box_pack_start(GTK_BOX(hbox1), clist_hbox, TRUE, TRUE, 0);
 247
 248         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 249         gtk_widget_set_size_request(scrolledwin, 180, 210);
 250         gtk_widget_show(scrolledwin);
 251         gtk_box_pack_start(GTK_BOX(clist_hbox), scrolledwin, TRUE, TRUE, 0);
 252         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
 253                                        GTK_POLICY_AUTOMATIC,
 254                                        GTK_POLICY_AUTOMATIC);
 255         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolledwin),
 256                                            GTK_SHADOW_IN);
 257
 258         stock_list_view = prefs_folder_column_list_view_create
 259                                 (_("Hidden columns"));
 260         g_signal_connect(G_OBJECT(stock_list_view), "cursor-changed",
 261                            G_CALLBACK(prefs_folder_column_stock_sel_changed),
 262                            NULL);
 263         gtk_widget_show(stock_list_view);
 264         gtk_container_add(GTK_CONTAINER(scrolledwin), stock_list_view);
 265
 266         /* add/remove button */
 267         btn_vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 8);
 268         gtk_widget_show(btn_vbox);
 269         gtk_box_pack_start(GTK_BOX(hbox1), btn_vbox, FALSE, FALSE, 0);
 270
 271         add_btn = gtkut_stock_button("list-add", _("_Add"));
 272         gtk_widget_show(add_btn);
 273         gtk_box_pack_start(GTK_BOX(btn_vbox), add_btn, FALSE, TRUE, 0);
 274
 275         g_signal_connect(G_OBJECT(add_btn), "clicked",
 276                          G_CALLBACK(prefs_folder_column_add), NULL);
 277
 278         remove_btn = gtkut_stock_button("list-remove", _("_Remove"));
 279         gtk_widget_show(remove_btn);
 280         gtk_box_pack_start(GTK_BOX(btn_vbox), remove_btn, FALSE, TRUE, 0);
 281
 282         g_signal_connect(G_OBJECT(remove_btn), "clicked",
 283                          G_CALLBACK(prefs_folder_column_remove), NULL);
 284
 285         clist_hbox = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 8);
 286         gtk_widget_show(clist_hbox);
 287         gtk_box_pack_start(GTK_BOX(hbox1), clist_hbox, TRUE, TRUE, 0);
 288
 289         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 290         gtk_widget_set_size_request(scrolledwin, 180, 210);
 291         gtk_widget_show(scrolledwin);
 292         gtk_box_pack_start(GTK_BOX(clist_hbox), scrolledwin, TRUE, TRUE, 0);
 293         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
 294                                        GTK_POLICY_AUTOMATIC,
 295                                        GTK_POLICY_AUTOMATIC);
 296         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolledwin),
 297                                            GTK_SHADOW_IN);
 298
 299         shown_list_view = prefs_folder_column_list_view_create
 300                                 (_("Displayed columns"));
 301         g_signal_connect(G_OBJECT(shown_list_view), "cursor-changed",
 302                            G_CALLBACK(prefs_folder_column_shown_sel_changed),
 303                            NULL);
 304         gtk_widget_show(shown_list_view);
 305         gtk_container_add(GTK_CONTAINER(scrolledwin), shown_list_view);
 306
 307         /* up/down button */
 308         btn_vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 8);
 309         gtk_widget_show(btn_vbox);
 310         gtk_box_pack_start(GTK_BOX(hbox1), btn_vbox, FALSE, FALSE, 0);
 311
 312         up_btn = gtkut_stock_button("go-up", _("_Up"));
 313         gtk_widget_show(up_btn);
 314         gtk_box_pack_start(GTK_BOX(btn_vbox), up_btn, FALSE, TRUE, 0);
 315
 316         down_btn = gtkut_stock_button("go-down", _("_Down"));
 317         gtk_widget_show(down_btn);
 318         gtk_box_pack_start(GTK_BOX(btn_vbox), down_btn, FALSE, TRUE, 0);
 319
 320         g_signal_connect(G_OBJECT(up_btn), "clicked",
 321                          G_CALLBACK(prefs_folder_column_up), NULL);
 322         g_signal_connect(G_OBJECT(down_btn), "clicked",
 323                          G_CALLBACK(prefs_folder_column_down), NULL);
 324
 325         btn_hbox = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 8);
 326         gtk_widget_show(btn_hbox);
 327         gtk_box_pack_end(GTK_BOX(vbox), btn_hbox, FALSE, FALSE, 0);
 328
 329         btn_vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
 330         gtk_widget_show(btn_vbox);
 331         gtk_box_pack_start(GTK_BOX(btn_hbox), btn_vbox, FALSE, FALSE, 0);
 332
 333         default_btn = gtk_button_new_with_label(_(" Use default "));
 334         gtk_widget_show(default_btn);
 335         gtk_box_pack_start(GTK_BOX(btn_vbox), default_btn, TRUE, FALSE, 0);
 336         g_signal_connect(G_OBJECT(default_btn), "clicked",
 337                          G_CALLBACK(prefs_folder_column_set_to_default),
 338                          NULL);
 339
 340         gtkut_stock_button_set_create(&confirm_area,
 341                                       &cancel_btn, NULL, _("_Cancel"),
 342                                       &ok_btn, NULL, _("_OK"),
 343                                       NULL, NULL, NULL);
 344         gtk_widget_show(confirm_area);
 345         gtk_box_pack_end(GTK_BOX(btn_hbox), confirm_area, FALSE, FALSE, 0);
 346         gtk_widget_grab_default(ok_btn);
 347
 348         g_signal_connect(G_OBJECT(ok_btn), "clicked",
 349                          G_CALLBACK(prefs_folder_column_ok), NULL);
 350         g_signal_connect(G_OBJECT(cancel_btn), "clicked",
 351                          G_CALLBACK(prefs_folder_column_cancel), NULL);
 352
 353         folder_col.window      = window;
 354         folder_col.add_btn     = add_btn;
 355         folder_col.remove_btn  = remove_btn;
 356         folder_col.up_btn      = up_btn;
 357         folder_col.down_btn    = down_btn;
 358         folder_col.ok_btn      = ok_btn;
 359         folder_col.cancel_btn  = cancel_btn;
 360         folder_col.stock_list_view = stock_list_view;
 361         folder_col.shown_list_view = shown_list_view;
 362
 363         prefs_folder_column_shown_set_active(FALSE);
 364         prefs_folder_column_stock_set_active(FALSE);
 365 }
 366
 367 FolderColumnState *prefs_folder_column_get_config(void)
 368 {
 369         static FolderColumnState state[N_FOLDER_COLS];
 370         FolderColumnType type;
 371         gint pos;
 372
 373         for (pos = 0; pos < N_FOLDER_COLS; pos++)
 374                 state[pos].type = -1;
 375
 376         for (type = 0; type < N_FOLDER_COLS; type++) {
 377                 pos = prefs_common.folder_col_pos[type];
 378                 if (pos < 0 || pos >= N_FOLDER_COLS ||
 379                     state[pos].type != -1) {
 380                         g_warning("wrong column position");
 381                         prefs_folder_column_set_config(default_state);
 382                         return default_state;
 383                 }
 384
 385                 state[pos].type = type;
 386                 state[pos].visible = prefs_common.folder_col_visible[type];
 387         }
 388
 389         return state;
 390 }
 391
 392 static void prefs_folder_column_set_config(FolderColumnState *state)
 393 {
 394         FolderColumnType type;
 395         gint pos;
 396
 397         for (pos = 0; pos < N_FOLDER_COLS; pos++) {
 398                 type = state[pos].type;
 399                 prefs_common.folder_col_visible[type] = state[pos].visible;
 400                 prefs_common.folder_col_pos[type] = pos;
 401         }
 402 }
 403
 404 static void prefs_folder_column_set_dialog(FolderColumnState *state)
 405 {
 406         GtkListStore *stock_store, *shown_store;
 407         gint pos;
 408         FolderColumnType type;
 409         gchar *name;
 410
 411         stock_store = GTK_LIST_STORE(gtk_tree_view_get_model
 412                         (GTK_TREE_VIEW(folder_col.stock_list_view)));
 413         shown_store = GTK_LIST_STORE(gtk_tree_view_get_model
 414                         (GTK_TREE_VIEW(folder_col.shown_list_view)));
 415
 416         gtk_list_store_clear(stock_store);
 417         gtk_list_store_clear(shown_store);
 418
 419         if (!state)
 420                 state = prefs_folder_column_get_config();
 421
 422         for (pos = 0; pos < N_FOLDER_COLS; pos++) {
 423                 type = state[pos].type;
 424                 name = gettext(col_name[type]);
 425
 426                 if (state[pos].visible)
 427                         prefs_folder_column_insert_column(shown_store,
 428                                                            -1, name,
 429                                                            type);
 430                 else
 431                         prefs_folder_column_insert_column(stock_store,
 432                                                             -1, name,
 433                                                             type);
 434         }
 435 }
 436
 437 static void prefs_folder_column_set_view(void)
 438 {
 439         gint stock_n_rows, shown_n_rows;
 440         FolderColumnState state[N_FOLDER_COLS];
 441         FolderColumnType type;
 442         gint row, pos = 0;
 443
 444         stock_n_rows = gtk_tree_model_iter_n_children
 445                 (gtk_tree_view_get_model(GTK_TREE_VIEW
 446                         (folder_col.stock_list_view)), NULL);
 447         shown_n_rows = gtk_tree_model_iter_n_children
 448                 (gtk_tree_view_get_model(GTK_TREE_VIEW
 449                         (folder_col.shown_list_view)), NULL);
 450
 451         cm_return_if_fail
 452                 (stock_n_rows + shown_n_rows == N_FOLDER_COLS);
 453
 454         for (row = 0; row < stock_n_rows; row++) {
 455                 type = prefs_folder_column_get_column
 456                         (folder_col.stock_list_view, row);
 457                 state[row].type = type;
 458                 state[row].visible = FALSE;
 459         }
 460
 461         pos = row;
 462         for (row = 0; row < shown_n_rows; row++) {
 463                 type = prefs_folder_column_get_column
 464                         (folder_col.shown_list_view, row);
 465                 state[pos + row].type = type;
 466                 state[pos + row].visible = TRUE;
 467         }
 468
 469         prefs_folder_column_set_config(state);
 470         main_window_set_folder_column();
 471 }
 472
 473 static void prefs_folder_column_add(void)
 474 {
 475         GtkListStore *stock_store, *shown_store;
 476         GtkTreeIter stock_sel, shown_sel, shown_add;
 477         gboolean shown_sel_valid;
 478         gchar *name;
 479         FolderColumnType type;
 480
 481         stock_store = GTK_LIST_STORE(gtk_tree_view_get_model
 482                 (GTK_TREE_VIEW(folder_col.stock_list_view)));
 483         shown_store = GTK_LIST_STORE(gtk_tree_view_get_model
 484                 (GTK_TREE_VIEW(folder_col.shown_list_view)));
 485
 486         if (!gtk_tree_selection_get_selected
 487                 (gtk_tree_view_get_selection
 488                         (GTK_TREE_VIEW(folder_col.stock_list_view)),
 489                  NULL,
 490                  &stock_sel))
 491                 return;
 492
 493         shown_sel_valid = gtk_tree_selection_get_selected
 494                 (gtk_tree_view_get_selection
 495                         (GTK_TREE_VIEW(folder_col.shown_list_view)),
 496                  NULL,
 497                  &shown_sel);
 498
 499         gtk_tree_model_get(GTK_TREE_MODEL(stock_store), &stock_sel,
 500                            SUMCOL_TYPE, &type,
 501                            -1);
 502
 503         gtk_list_store_remove(stock_store, &stock_sel);
 504
 505         gtk_list_store_insert_after(shown_store, &shown_add,
 506                                     shown_sel_valid ? &shown_sel : NULL);
 507
 508         name = gettext(col_name[type]);
 509
 510         gtk_list_store_set(shown_store, &shown_add,
 511                            SUMCOL_NAME, name,
 512                            SUMCOL_TYPE, type,
 513                            -1);
 514
 515         gtk_tree_selection_select_iter(gtk_tree_view_get_selection
 516                 (GTK_TREE_VIEW(folder_col.shown_list_view)),
 517                  &shown_add);
 518         prefs_folder_column_shown_set_active(TRUE);
 519         prefs_folder_column_stock_set_active(FALSE);
 520 }
 521
 522 static void prefs_folder_column_remove(void)
 523 {
 524         GtkListStore *stock_store, *shown_store;
 525         GtkTreeIter shown_sel, stock_sel, stock_add;
 526         gboolean stock_sel_valid;
 527         gchar *name;
 528         FolderColumnType type;
 529
 530         stock_store = GTK_LIST_STORE(gtk_tree_view_get_model
 531                 (GTK_TREE_VIEW(folder_col.stock_list_view)));
 532         shown_store = GTK_LIST_STORE(gtk_tree_view_get_model
 533                 (GTK_TREE_VIEW(folder_col.shown_list_view)));
 534
 535         if (!gtk_tree_selection_get_selected
 536                 (gtk_tree_view_get_selection
 537                         (GTK_TREE_VIEW(folder_col.shown_list_view)),
 538                  NULL,
 539                  &shown_sel))
 540                 return;
 541
 542         stock_sel_valid = gtk_tree_selection_get_selected
 543                 (gtk_tree_view_get_selection
 544                         (GTK_TREE_VIEW(folder_col.stock_list_view)),
 545                  NULL,
 546                  &stock_sel);
 547
 548         gtk_tree_model_get(GTK_TREE_MODEL(shown_store), &shown_sel,
 549                            SUMCOL_TYPE, &type,
 550                            -1);
 551
 552         gtk_list_store_remove(shown_store, &shown_sel);
 553
 554         gtk_list_store_insert_after(stock_store, &stock_add,
 555                                     stock_sel_valid ? &stock_sel : NULL);
 556
 557         name = gettext(col_name[type]);
 558
 559         gtk_list_store_set(stock_store, &stock_add,
 560                            SUMCOL_NAME, name,
 561                            SUMCOL_TYPE, type,
 562                            -1);
 563
 564         gtk_tree_selection_select_iter(gtk_tree_view_get_selection
 565                 (GTK_TREE_VIEW(folder_col.stock_list_view)),
 566                 &stock_add);
 567         prefs_folder_column_shown_set_active(FALSE);
 568         prefs_folder_column_stock_set_active(TRUE);
 569 }
 570
 571 static void prefs_folder_column_up(void)
 572 {
 573         GtkTreePath *prev, *sel;
 574         GtkTreeIter isel;
 575         GtkListStore *shown_store;
 576         GtkTreeIter iprev;
 577
 578         if (!gtk_tree_selection_get_selected
 579                 (gtk_tree_view_get_selection
 580                         (GTK_TREE_VIEW(folder_col.shown_list_view)),
 581                  NULL,
 582                  &isel))
 583                 return;
 584
 585         shown_store = GTK_LIST_STORE(gtk_tree_view_get_model
 586                 (GTK_TREE_VIEW(folder_col.shown_list_view)));
 587
 588         sel = gtk_tree_model_get_path(GTK_TREE_MODEL(shown_store),
 589                                       &isel);
 590         if (!sel)
 591                 return;
 592
 593         prev = gtk_tree_path_copy(sel);
 594         if (!gtk_tree_path_prev(prev)) {
 595                 gtk_tree_path_free(prev);
 596                 gtk_tree_path_free(sel);
 597                 return;
 598         }
 599
 600         gtk_tree_model_get_iter(GTK_TREE_MODEL(shown_store),
 601                                 &iprev, prev);
 602         gtk_tree_path_free(sel);
 603         gtk_tree_path_free(prev);
 604
 605         gtk_list_store_swap(shown_store, &iprev, &isel);
 606         prefs_folder_column_shown_set_btn_sensitivity();
 607 }
 608
 609 static void prefs_folder_column_down(void)
 610 {
 611         GtkListStore *shown_store;
 612         GtkTreeIter next, sel;
 613
 614         if (!gtk_tree_selection_get_selected
 615                 (gtk_tree_view_get_selection
 616                         (GTK_TREE_VIEW(folder_col.shown_list_view)),
 617                  NULL,
 618                  &sel))
 619                 return;
 620
 621         shown_store = GTK_LIST_STORE(gtk_tree_view_get_model
 622                 (GTK_TREE_VIEW(folder_col.shown_list_view)));
 623
 624         next = sel;
 625         if (!gtk_tree_model_iter_next(GTK_TREE_MODEL(shown_store), &next))
 626                 return;
 627
 628         gtk_list_store_swap(shown_store, &next, &sel);
 629         prefs_folder_column_shown_set_btn_sensitivity();
 630 }
 631
 632 static void prefs_folder_column_set_to_default(void)
 633 {
 634         prefs_folder_column_set_dialog(default_state);
 635         prefs_folder_column_shown_set_active(FALSE);
 636         prefs_folder_column_stock_set_active(FALSE);
 637 }
 638
 639 static void prefs_folder_column_ok(void)
 640 {
 641         if (!folder_col.finished) {
 642                 folder_col.finished = TRUE;
 643                 prefs_folder_column_set_view();
 644         }
 645 }
 646
 647 static void prefs_folder_column_cancel(void)
 648 {
 649         folder_col.finished = TRUE;
 650 }
 651
 652 static gint prefs_folder_column_delete_event(GtkWidget *widget,
 653                                               GdkEventAny *event,
 654                                               gpointer data)
 655 {
 656         folder_col.finished = TRUE;
 657         return TRUE;
 658 }
 659
 660 static gboolean prefs_folder_column_key_pressed(GtkWidget *widget,
 661                                                  GdkEventKey *event,
 662                                                  gpointer data)
 663 {
 664         if (event && event->keyval == GDK_KEY_Escape)
 665                 folder_col.finished = TRUE;
 666         return FALSE;
 667 }
 668
 669 static GtkListStore *prefs_folder_column_create_store(void)
 670 {
 671         return gtk_list_store_new(N_SUMCOL_COLUMNS,
 672                                   G_TYPE_STRING,
 673                                   G_TYPE_INT,
 674                                   -1);
 675 }
 676
 677 static void prefs_folder_column_insert_column(GtkListStore *store,
 678                                                gint row,
 679                                                const gchar *name,
 680                                                FolderColumnType type)
 681 {
 682         GtkTreeIter iter;
 683
 684         if (row >= 0) {
 685                 if (!gtk_tree_model_iter_nth_child(GTK_TREE_MODEL(store),
 686                                                    &iter, NULL, row))
 687                         row = -1;
 688         }
 689         if (row < 0) {
 690                 /* add new */
 691                 gtk_list_store_append(store, &iter);
 692                 gtk_list_store_set(store, &iter,
 693                                    SUMCOL_NAME, name,
 694                                    SUMCOL_TYPE, type,
 695                                    -1);
 696                 return;
 697         } else {
 698                 /* change existing */
 699                 gtk_list_store_set(store, &iter,
 700                                    SUMCOL_NAME, name,
 701                                    SUMCOL_TYPE, type,
 702                                    -1);
 703         }
 704 }
 705
 706 /*!
 707  *\brief        Return the columnn type for a row
 708  */
 709 static FolderColumnType prefs_folder_column_get_column(GtkWidget *list, gint row)
 710 {
 711         GtkTreeView *list_view = GTK_TREE_VIEW(list);
 712         GtkTreeModel *model = gtk_tree_view_get_model(list_view);
 713         GtkTreeIter iter;
 714         FolderColumnType result;
 715
 716         if (!gtk_tree_model_iter_nth_child(model, &iter, NULL, row))
 717                 return -1;
 718
 719         gtk_tree_model_get(model, &iter,
 720                            SUMCOL_TYPE, &result,
 721                            -1);
 722
 723         return result;
 724 }
 725
 726 static GtkWidget *prefs_folder_column_list_view_create(const gchar *name)
 727 {
 728         GtkWidget *list_view;
 729         GtkTreeSelection *selector;
 730         GtkTreeModel *model;
 731
 732         model = GTK_TREE_MODEL(prefs_folder_column_create_store());
 733         list_view = gtk_tree_view_new_with_model(model);
 734         g_object_unref(G_OBJECT(model));
 735
 736         gtk_tree_view_set_rules_hint(GTK_TREE_VIEW(list_view),
 737                                      prefs_common.use_stripes_everywhere);
 738
 739         selector = gtk_tree_view_get_selection(GTK_TREE_VIEW(list_view));
 740         gtk_tree_selection_set_mode(selector, GTK_SELECTION_BROWSE);
 741
 742         prefs_filtering_create_list_view_columns(GTK_WIDGET(list_view), name);
 743
 744         gtk_tree_view_enable_model_drag_source(GTK_TREE_VIEW(list_view),
 745                                                GDK_BUTTON1_MASK,
 746                                                row_targets,
 747                                                G_N_ELEMENTS(row_targets),
 748                                                GDK_ACTION_MOVE);
 749
 750         gtk_tree_view_enable_model_drag_dest(GTK_TREE_VIEW(list_view),
 751                                              row_targets,
 752                                              G_N_ELEMENTS(row_targets),
 753                                              GDK_ACTION_MOVE);
 754
 755         g_signal_connect(G_OBJECT(list_view), "drag_data_get",
 756                          G_CALLBACK(drag_data_get),
 757                          model);
 758
 759         g_signal_connect(G_OBJECT(list_view), "drag_data_received",
 760                          G_CALLBACK(drag_data_received),
 761                          model);
 762
 763         return list_view;
 764 }
 765
 766 static void prefs_filtering_create_list_view_columns(GtkWidget *list_view,
 767                                                      const gchar *name)
 768 {
 769         GtkTreeViewColumn *column;
 770         GtkCellRenderer *renderer;
 771
 772         renderer = gtk_cell_renderer_text_new();
 773         column = gtk_tree_view_column_new_with_attributes
 774                 (name, renderer, "text", SUMCOL_NAME, NULL);
 775         gtk_tree_view_append_column(GTK_TREE_VIEW(list_view), column);
 776 }
 777
 778 static void drag_data_get(GtkTreeView *tree_view, GdkDragContext *context,
 779                           GtkSelectionData *data, guint info,
 780                           guint time, GtkTreeModel *model)
 781 {
 782         GtkTreeIter iter;
 783         FolderColumnType type;
 784         GtkTreeModel *source_model;
 785
 786         if (info != TARGET_INFO_SUMCOL)
 787                 return;
 788
 789         if (!gtk_tree_selection_get_selected
 790                         (gtk_tree_view_get_selection(tree_view),
 791                          &source_model, &iter))
 792                 return;
 793
 794         gtk_tree_model_get(source_model, &iter,
 795                            SUMCOL_TYPE, &type,
 796                            -1);
 797
 798         /* send the type */
 799         gtk_selection_data_set(data, gtk_selection_data_get_target(data), 8,
 800                 (gchar *) &type, sizeof type);
 801 }
 802
 803 static void drag_data_received(GtkTreeView *tree_view, GdkDragContext *context,
 804                                gint x, gint y, GtkSelectionData *data,
 805                                guint info, guint time, GtkTreeModel *model)
 806 {
 807         GtkWidget *source;
 808         GtkTreePath *dst = NULL, *sel = NULL;
 809         GtkTreeIter isel, idst;
 810         GtkTreeViewDropPosition pos;
 811         FolderColumnType type;
 812         GtkTreeModel *sel_model;
 813         gchar *name;
 814
 815         source = gtk_drag_get_source_widget(context);
 816
 817         if (source == GTK_WIDGET(tree_view)) {
 818
 819                 /*
 820                  * Same widget: re-order
 821                  */
 822
 823                 if (gtk_tree_selection_get_selected(gtk_tree_view_get_selection(tree_view),
 824                                            NULL, &isel)) {
 825                         sel = gtk_tree_model_get_path(model, &isel);
 826                         gtk_tree_view_get_dest_row_at_pos(tree_view, x, y,
 827                                                           &dst, &pos);
 828
 829                         /* NOTE: dst is invalid if selection beyond last row, in that
 830                          * case move beyond last one (XXX_move_before(..., NULL)) */
 831
 832                         if (dst)
 833                                 gtk_tree_model_get_iter(model, &idst, dst);
 834                         else
 835                                 gtk_list_store_move_before(GTK_LIST_STORE(model),
 836                                                            &isel,
 837                                                            NULL);
 838
 839                         /* we do not drag if no valid dst and sel, and when
 840                          * dst and sel are the same (moving after or before
 841                          * itself doesn't change order...) */
 842                         if ((dst && sel) && gtk_tree_path_compare(sel, dst) != 0) {
 843                                 if (pos == GTK_TREE_VIEW_DROP_BEFORE
 844                                 ||  pos == GTK_TREE_VIEW_DROP_INTO_OR_BEFORE)
 845                                         gtk_list_store_move_before(GTK_LIST_STORE(model),
 846                                                                    &isel,
 847                                                                    &idst);
 848                                 else
 849                                         gtk_list_store_move_after(GTK_LIST_STORE(model),
 850                                                                   &isel,
 851                                                                   &idst);
 852                         }
 853                         gtk_tree_path_free(dst);
 854                         gtk_tree_path_free(sel);
 855                 }
 856                 gtk_drag_finish(context, TRUE, FALSE, time);
 857
 858         } else if (source == folder_col.stock_list_view
 859         ||         source == folder_col.shown_list_view) {
 860
 861                 /*
 862                  * Other widget: change and update
 863                  */
 864
 865                 /* get source information and remove */
 866                 if (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                 }
 900                 gtk_drag_finish(context, TRUE, FALSE, time);
 901         }
 902
 903         prefs_folder_column_shown_set_active(FALSE);
 904         prefs_folder_column_stock_set_active(FALSE);
 905
 906         /* XXXX: should we call gtk_drag_finish() for other code paths? */
 907 }
 908
 909 static void prefs_folder_column_shown_set_btn_sensitivity(void)
 910 {
 911         GtkTreeModel *model = GTK_TREE_MODEL(gtk_tree_view_get_model(
 912                 GTK_TREE_VIEW(folder_col.shown_list_view)));
 913         GtkTreeSelection *selection = gtk_tree_view_get_selection(
 914                 GTK_TREE_VIEW(folder_col.shown_list_view));
 915         GtkTreeIter iter;
 916         GtkTreePath *path;
 917
 918         if(!gtk_tree_selection_get_selected(selection, NULL, &iter)) {
 919                 gtk_widget_set_sensitive(folder_col.remove_btn, FALSE);
 920                 gtk_widget_set_sensitive(folder_col.up_btn, FALSE);
 921                 gtk_widget_set_sensitive(folder_col.down_btn, FALSE);
 922                 return;
 923         }
 924
 925         path = gtk_tree_model_get_path(model, &iter);
 926
 927         gtk_widget_set_sensitive(folder_col.up_btn, gtk_tree_path_prev(path));
 928         gtk_widget_set_sensitive(folder_col.down_btn,
 929                                  gtk_tree_model_iter_next(model, &iter));
 930         gtk_tree_path_free(path);
 931 }
 932
 933 static void prefs_folder_column_shown_set_active(const gboolean active)
 934 {
 935         GtkTreeSelection *selection = NULL;
 936
 937         gtk_widget_set_sensitive(folder_col.remove_btn, active);
 938
 939         if(active == FALSE) {
 940                 selection = gtk_tree_view_get_selection(
 941                         GTK_TREE_VIEW(folder_col.shown_list_view));
 942                 gtk_tree_selection_unselect_all(selection);
 943
 944                 gtk_widget_set_sensitive(folder_col.up_btn, FALSE);
 945                 gtk_widget_set_sensitive(folder_col.down_btn, FALSE);
 946         } else {
 947                 prefs_folder_column_shown_set_btn_sensitivity();
 948         }
 949 }
 950
 951 static void prefs_folder_column_stock_set_active(const gboolean active)
 952 {
 953         GtkTreeSelection *selection = NULL;
 954
 955         gtk_widget_set_sensitive(folder_col.add_btn, active);
 956
 957         if(active == FALSE) {
 958                 selection = gtk_tree_view_get_selection(
 959                         GTK_TREE_VIEW(folder_col.stock_list_view));
 960                 gtk_tree_selection_unselect_all(selection);
 961         }
 962 }
 963
 964 static void prefs_folder_column_stock_sel_changed(void)
 965 {
 966         GtkTreeSelection *selection = gtk_tree_view_get_selection(
 967                 GTK_TREE_VIEW(folder_col.stock_list_view));
 968         prefs_folder_column_stock_set_active(
 969                 (selection != NULL) ? TRUE : FALSE);
 970         prefs_folder_column_shown_set_active(
 971                 (selection != NULL) ? FALSE : TRUE);
 972 }
 973
 974 static void prefs_folder_column_shown_sel_changed(void)
 975 {
 976         GtkTreeSelection *selection = gtk_tree_view_get_selection(
 977                 GTK_TREE_VIEW(folder_col.shown_list_view));
 978         prefs_folder_column_shown_set_active(
 979                 (selection != NULL) ? TRUE : FALSE);
 980         prefs_folder_column_stock_set_active(
 981                 (selection != NULL) ? FALSE : TRUE);
 982 }