src/prefs_folder_column.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2007 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
  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 static void prefs_folder_column_shown_set_btn_sensitivity(void);
 147 static void prefs_folder_column_shown_set_active(const gboolean active);
 148 static void prefs_folder_column_stock_set_active(const gboolean active);
 149 static void prefs_folder_column_shown_sel_changed(void);
 150 static void prefs_folder_column_stock_sel_changed(void);
 151
 152
 153 void prefs_folder_column_open(void)
 154 {
 155         inc_lock();
 156
 157         if (!folder_col.window)
 158                 prefs_folder_column_create();
 159
 160         manage_window_set_transient(GTK_WINDOW(folder_col.window));
 161         gtk_widget_grab_focus(folder_col.ok_btn);
 162
 163         prefs_folder_column_set_dialog(NULL);
 164
 165         gtk_widget_show(folder_col.window);
 166
 167         folder_col.finished = FALSE;
 168         while (folder_col.finished == FALSE)
 169                 gtk_main_iteration();
 170
 171         gtk_widget_hide(folder_col.window);
 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_modal(GTK_WINDOW(window), TRUE);
 210         gtk_window_set_resizable(GTK_WINDOW(window), FALSE);
 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_vbox_new(FALSE, 6);
 221         gtk_widget_show(vbox);
 222         gtk_container_add(GTK_CONTAINER(window), vbox);
 223
 224         label_hbox = gtk_hbox_new(FALSE, 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_vbox_new(FALSE, 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_hbox_new(FALSE, 8);
 241         gtk_widget_show(hbox1);
 242         gtk_box_pack_start(GTK_BOX(vbox1), hbox1, FALSE, TRUE, 0);
 243
 244         clist_hbox = gtk_hbox_new(FALSE, 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
 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         clist_hbox = gtk_hbox_new(FALSE, 8);
 278         gtk_widget_show(clist_hbox);
 279         gtk_box_pack_start(GTK_BOX(hbox1), clist_hbox, TRUE, TRUE, 0);
 280
 281         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 282         gtk_widget_set_size_request(scrolledwin, 180, 210);
 283         gtk_widget_show(scrolledwin);
 284         gtk_box_pack_start(GTK_BOX(clist_hbox), scrolledwin, TRUE, TRUE, 0);
 285         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
 286                                        GTK_POLICY_AUTOMATIC,
 287                                        GTK_POLICY_AUTOMATIC);
 288
 289         shown_list_view = prefs_folder_column_list_view_create
 290                                 (_("Displayed columns"));
 291         g_signal_connect(G_OBJECT(shown_list_view), "cursor-changed",
 292                            G_CALLBACK(prefs_folder_column_shown_sel_changed),
 293                            NULL);
 294         gtk_widget_show(shown_list_view);
 295         gtk_container_add(GTK_CONTAINER(scrolledwin), shown_list_view);
 296
 297         /* up/down button */
 298         btn_vbox = gtk_vbox_new(FALSE, 8);
 299         gtk_widget_show(btn_vbox);
 300         gtk_box_pack_start(GTK_BOX(hbox1), btn_vbox, FALSE, FALSE, 0);
 301
 302         remove_btn = gtk_button_new_from_stock(GTK_STOCK_REMOVE);
 303         gtk_widget_show(remove_btn);
 304         gtk_box_pack_start(GTK_BOX(btn_vbox), remove_btn, FALSE, TRUE, 0);
 305
 306         up_btn = gtk_button_new_from_stock(GTK_STOCK_GO_UP);
 307         gtk_widget_show(up_btn);
 308         gtk_box_pack_start(GTK_BOX(btn_vbox), up_btn, FALSE, TRUE, 0);
 309
 310         down_btn = gtk_button_new_from_stock(GTK_STOCK_GO_DOWN);
 311         gtk_widget_show(down_btn);
 312         gtk_box_pack_start(GTK_BOX(btn_vbox), down_btn, FALSE, TRUE, 0);
 313
 314         g_signal_connect(G_OBJECT(remove_btn), "clicked",
 315                          G_CALLBACK(prefs_folder_column_remove), NULL);
 316         g_signal_connect(G_OBJECT(up_btn), "clicked",
 317                          G_CALLBACK(prefs_folder_column_up), NULL);
 318         g_signal_connect(G_OBJECT(down_btn), "clicked",
 319                          G_CALLBACK(prefs_folder_column_down), NULL);
 320
 321         btn_hbox = gtk_hbox_new(FALSE, 8);
 322         gtk_widget_show(btn_hbox);
 323         gtk_box_pack_end(GTK_BOX(vbox), btn_hbox, FALSE, FALSE, 0);
 324
 325         btn_vbox = gtk_vbox_new(FALSE, 0);
 326         gtk_widget_show(btn_vbox);
 327         gtk_box_pack_start(GTK_BOX(btn_hbox), btn_vbox, FALSE, FALSE, 0);
 328
 329         default_btn = gtk_button_new_with_label(_(" Use default "));
 330         gtk_widget_show(default_btn);
 331         gtk_box_pack_start(GTK_BOX(btn_vbox), default_btn, TRUE, FALSE, 0);
 332         g_signal_connect(G_OBJECT(default_btn), "clicked",
 333                          G_CALLBACK(prefs_folder_column_set_to_default),
 334                          NULL);
 335
 336         gtkut_stock_button_set_create(&confirm_area,
 337                                       &cancel_btn, GTK_STOCK_CANCEL,
 338                                       &ok_btn, GTK_STOCK_OK,
 339                                       NULL, NULL);
 340         gtk_widget_show(confirm_area);
 341         gtk_box_pack_end(GTK_BOX(btn_hbox), confirm_area, FALSE, FALSE, 0);
 342         gtk_widget_grab_default(ok_btn);
 343
 344         g_signal_connect(G_OBJECT(ok_btn), "clicked",
 345                          G_CALLBACK(prefs_folder_column_ok), NULL);
 346         g_signal_connect(G_OBJECT(cancel_btn), "clicked",
 347                          G_CALLBACK(prefs_folder_column_cancel), NULL);
 348
 349         folder_col.window      = window;
 350         folder_col.add_btn     = add_btn;
 351         folder_col.remove_btn  = remove_btn;
 352         folder_col.up_btn      = up_btn;
 353         folder_col.down_btn    = down_btn;
 354         folder_col.ok_btn      = ok_btn;
 355         folder_col.cancel_btn  = cancel_btn;
 356         folder_col.stock_list_view = stock_list_view;
 357         folder_col.shown_list_view = shown_list_view;
 358
 359         prefs_folder_column_shown_set_active(FALSE);
 360         prefs_folder_column_stock_set_active(FALSE);
 361 }
 362
 363 FolderColumnState *prefs_folder_column_get_config(void)
 364 {
 365         static FolderColumnState state[N_FOLDER_COLS];
 366         FolderColumnType type;
 367         gint pos;
 368
 369         for (pos = 0; pos < N_FOLDER_COLS; pos++)
 370                 state[pos].type = -1;
 371
 372         for (type = 0; type < N_FOLDER_COLS; type++) {
 373                 pos = prefs_common.folder_col_pos[type];
 374                 if (pos < 0 || pos >= N_FOLDER_COLS ||
 375                     state[pos].type != -1) {
 376                         g_warning("Wrong column position\n");
 377                         prefs_folder_column_set_config(default_state);
 378                         return default_state;
 379                 }
 380
 381                 state[pos].type = type;
 382                 state[pos].visible = prefs_common.folder_col_visible[type];
 383         }
 384
 385         return state;
 386 }
 387
 388 void prefs_folder_column_set_config(FolderColumnState *state)
 389 {
 390         FolderColumnType type;
 391         gint pos;
 392
 393         for (pos = 0; pos < N_FOLDER_COLS; pos++) {
 394                 type = state[pos].type;
 395                 prefs_common.folder_col_visible[type] = state[pos].visible;
 396                 prefs_common.folder_col_pos[type] = pos;
 397         }
 398 }
 399
 400 static void prefs_folder_column_set_dialog(FolderColumnState *state)
 401 {
 402         GtkListStore *stock_store, *shown_store;
 403         gint pos;
 404         FolderColumnType type;
 405         gchar *name;
 406
 407         stock_store = GTK_LIST_STORE(gtk_tree_view_get_model
 408                         (GTK_TREE_VIEW(folder_col.stock_list_view)));
 409         shown_store = GTK_LIST_STORE(gtk_tree_view_get_model
 410                         (GTK_TREE_VIEW(folder_col.shown_list_view)));
 411
 412         gtk_list_store_clear(stock_store);
 413         gtk_list_store_clear(shown_store);
 414
 415         if (!state)
 416                 state = prefs_folder_column_get_config();
 417
 418         for (pos = 0; pos < N_FOLDER_COLS; pos++) {
 419                 type = state[pos].type;
 420                 name = gettext(col_name[type]);
 421
 422                 if (state[pos].visible)
 423                         prefs_folder_column_insert_column(shown_store,
 424                                                            -1, name,
 425                                                            type);
 426                 else
 427                         prefs_folder_column_insert_column(stock_store,
 428                                                             -1, name,
 429                                                             type);
 430         }
 431 }
 432
 433 static void prefs_folder_column_set_view(void)
 434 {
 435         gint stock_n_rows, shown_n_rows;
 436         FolderColumnState state[N_FOLDER_COLS];
 437         FolderColumnType type;
 438         gint row, pos = 0;
 439
 440         stock_n_rows = gtk_tree_model_iter_n_children
 441                 (gtk_tree_view_get_model(GTK_TREE_VIEW
 442                         (folder_col.stock_list_view)), NULL);
 443         shown_n_rows = gtk_tree_model_iter_n_children
 444                 (gtk_tree_view_get_model(GTK_TREE_VIEW
 445                         (folder_col.shown_list_view)), NULL);
 446
 447         g_return_if_fail
 448                 (stock_n_rows + shown_n_rows == N_FOLDER_COLS);
 449
 450         for (row = 0; row < stock_n_rows; row++) {
 451                 type = prefs_folder_column_get_column
 452                         (folder_col.stock_list_view, row);
 453                 state[row].type = type;
 454                 state[row].visible = FALSE;
 455         }
 456
 457         pos = row;
 458         for (row = 0; row < shown_n_rows; row++) {
 459                 type = prefs_folder_column_get_column
 460                         (folder_col.shown_list_view, row);
 461                 state[pos + row].type = type;
 462                 state[pos + row].visible = TRUE;
 463         }
 464
 465         prefs_folder_column_set_config(state);
 466         main_window_set_folder_column();
 467 }
 468
 469 static void prefs_folder_column_add(void)
 470 {
 471         GtkListStore *stock_store, *shown_store;
 472         GtkTreeIter stock_sel, shown_sel, shown_add;
 473         gboolean shown_sel_valid;
 474         gchar *name;
 475         FolderColumnType type;
 476
 477         stock_store = GTK_LIST_STORE(gtk_tree_view_get_model
 478                 (GTK_TREE_VIEW(folder_col.stock_list_view)));
 479         shown_store = GTK_LIST_STORE(gtk_tree_view_get_model
 480                 (GTK_TREE_VIEW(folder_col.shown_list_view)));
 481
 482         if (!gtk_tree_selection_get_selected
 483                 (gtk_tree_view_get_selection
 484                         (GTK_TREE_VIEW(folder_col.stock_list_view)),
 485                  NULL,
 486                  &stock_sel))
 487                 return;
 488
 489         shown_sel_valid = gtk_tree_selection_get_selected
 490                 (gtk_tree_view_get_selection
 491                         (GTK_TREE_VIEW(folder_col.shown_list_view)),
 492                  NULL,
 493                  &shown_sel);
 494
 495         gtk_tree_model_get(GTK_TREE_MODEL(stock_store), &stock_sel,
 496                            SUMCOL_TYPE, &type,
 497                            -1);
 498
 499         gtk_list_store_remove(stock_store, &stock_sel);
 500
 501         gtk_list_store_insert_after(shown_store, &shown_add,
 502                                     shown_sel_valid ? &shown_sel : NULL);
 503
 504         name = gettext(col_name[type]);
 505
 506         gtk_list_store_set(shown_store, &shown_add,
 507                            SUMCOL_NAME, name,
 508                            SUMCOL_TYPE, type,
 509                            -1);
 510
 511         gtk_tree_selection_select_iter(gtk_tree_view_get_selection
 512                 (GTK_TREE_VIEW(folder_col.shown_list_view)),
 513                  &shown_add);
 514         prefs_folder_column_shown_set_active(TRUE);
 515         prefs_folder_column_stock_set_active(FALSE);
 516 }
 517
 518 static void prefs_folder_column_remove(void)
 519 {
 520         GtkListStore *stock_store, *shown_store;
 521         GtkTreeIter shown_sel, stock_sel, stock_add;
 522         gboolean stock_sel_valid;
 523         gchar *name;
 524         FolderColumnType type;
 525
 526         stock_store = GTK_LIST_STORE(gtk_tree_view_get_model
 527                 (GTK_TREE_VIEW(folder_col.stock_list_view)));
 528         shown_store = GTK_LIST_STORE(gtk_tree_view_get_model
 529                 (GTK_TREE_VIEW(folder_col.shown_list_view)));
 530
 531         if (!gtk_tree_selection_get_selected
 532                 (gtk_tree_view_get_selection
 533                         (GTK_TREE_VIEW(folder_col.shown_list_view)),
 534                  NULL,
 535                  &shown_sel))
 536                 return;
 537
 538         stock_sel_valid = gtk_tree_selection_get_selected
 539                 (gtk_tree_view_get_selection
 540                         (GTK_TREE_VIEW(folder_col.stock_list_view)),
 541                  NULL,
 542                  &stock_sel);
 543
 544         gtk_tree_model_get(GTK_TREE_MODEL(shown_store), &shown_sel,
 545                            SUMCOL_TYPE, &type,
 546                            -1);
 547
 548         gtk_list_store_remove(shown_store, &shown_sel);
 549
 550         gtk_list_store_insert_after(stock_store, &stock_add,
 551                                     stock_sel_valid ? &stock_sel : NULL);
 552
 553         name = gettext(col_name[type]);
 554
 555         gtk_list_store_set(stock_store, &stock_add,
 556                            SUMCOL_NAME, name,
 557                            SUMCOL_TYPE, type,
 558                            -1);
 559
 560         gtk_tree_selection_select_iter(gtk_tree_view_get_selection
 561                 (GTK_TREE_VIEW(folder_col.stock_list_view)),
 562                 &stock_add);
 563         prefs_folder_column_shown_set_active(FALSE);
 564         prefs_folder_column_stock_set_active(TRUE);
 565 }
 566
 567 static void prefs_folder_column_up(void)
 568 {
 569         GtkTreePath *prev, *sel;
 570         GtkTreeIter isel;
 571         GtkListStore *shown_store;
 572         GtkTreeIter iprev;
 573
 574         if (!gtk_tree_selection_get_selected
 575                 (gtk_tree_view_get_selection
 576                         (GTK_TREE_VIEW(folder_col.shown_list_view)),
 577                  NULL,
 578                  &isel))
 579                 return;
 580
 581         shown_store = GTK_LIST_STORE(gtk_tree_view_get_model
 582                 (GTK_TREE_VIEW(folder_col.shown_list_view)));
 583
 584         sel = gtk_tree_model_get_path(GTK_TREE_MODEL(shown_store),
 585                                       &isel);
 586         if (!sel)
 587                 return;
 588
 589         prev = gtk_tree_path_copy(sel);
 590         if (!gtk_tree_path_prev(prev)) {
 591                 gtk_tree_path_free(prev);
 592                 gtk_tree_path_free(sel);
 593                 return;
 594         }
 595
 596         gtk_tree_model_get_iter(GTK_TREE_MODEL(shown_store),
 597                                 &iprev, prev);
 598         gtk_tree_path_free(sel);
 599         gtk_tree_path_free(prev);
 600
 601         gtk_list_store_swap(shown_store, &iprev, &isel);
 602         prefs_folder_column_shown_set_btn_sensitivity();
 603 }
 604
 605 static void prefs_folder_column_down(void)
 606 {
 607         GtkListStore *shown_store;
 608         GtkTreeIter next, sel;
 609
 610         if (!gtk_tree_selection_get_selected
 611                 (gtk_tree_view_get_selection
 612                         (GTK_TREE_VIEW(folder_col.shown_list_view)),
 613                  NULL,
 614                  &sel))
 615                 return;
 616
 617         shown_store = GTK_LIST_STORE(gtk_tree_view_get_model
 618                 (GTK_TREE_VIEW(folder_col.shown_list_view)));
 619
 620         next = sel;
 621         if (!gtk_tree_model_iter_next(GTK_TREE_MODEL(shown_store), &next))
 622                 return;
 623
 624         gtk_list_store_swap(shown_store, &next, &sel);
 625         prefs_folder_column_shown_set_btn_sensitivity();
 626 }
 627
 628 static void prefs_folder_column_set_to_default(void)
 629 {
 630         prefs_folder_column_set_dialog(default_state);
 631         prefs_folder_column_shown_set_active(FALSE);
 632         prefs_folder_column_stock_set_active(FALSE);
 633 }
 634
 635 static void prefs_folder_column_ok(void)
 636 {
 637         if (!folder_col.finished) {
 638                 folder_col.finished = TRUE;
 639                 prefs_folder_column_set_view();
 640         }
 641 }
 642
 643 static void prefs_folder_column_cancel(void)
 644 {
 645         folder_col.finished = TRUE;
 646 }
 647
 648 static gint prefs_folder_column_delete_event(GtkWidget *widget,
 649                                               GdkEventAny *event,
 650                                               gpointer data)
 651 {
 652         folder_col.finished = TRUE;
 653         return TRUE;
 654 }
 655
 656 static gboolean prefs_folder_column_key_pressed(GtkWidget *widget,
 657                                                  GdkEventKey *event,
 658                                                  gpointer data)
 659 {
 660         if (event && event->keyval == GDK_Escape)
 661                 folder_col.finished = TRUE;
 662         return FALSE;
 663 }
 664
 665 static GtkListStore *prefs_folder_column_create_store(void)
 666 {
 667         return gtk_list_store_new(N_SUMCOL_COLUMNS,
 668                                   G_TYPE_STRING,
 669                                   G_TYPE_INT,
 670                                   -1);
 671 }
 672
 673 static void prefs_folder_column_insert_column(GtkListStore *store,
 674                                                gint row,
 675                                                const gchar *name,
 676                                                FolderColumnType type)
 677 {
 678         GtkTreeIter iter;
 679
 680         if (row >= 0) {
 681                 if (!gtk_tree_model_iter_nth_child(GTK_TREE_MODEL(store),
 682                                                    &iter, NULL, row))
 683                         row = -1;
 684         }
 685         if (row < 0) {
 686                 /* add new */
 687                 gtk_list_store_append(store, &iter);
 688                 gtk_list_store_set(store, &iter,
 689                                    SUMCOL_NAME, name,
 690                                    SUMCOL_TYPE, type,
 691                                    -1);
 692                 return;
 693         } else {
 694                 /* change existing */
 695                 gtk_list_store_set(store, &iter,
 696                                    SUMCOL_NAME, name,
 697                                    SUMCOL_TYPE, type,
 698                                    -1);
 699         }
 700 }
 701
 702 /*!
 703  *\brief        Return the columnn type for a row
 704  */
 705 static FolderColumnType prefs_folder_column_get_column(GtkWidget *list, gint row)
 706 {
 707         GtkTreeView *list_view = GTK_TREE_VIEW(list);
 708         GtkTreeModel *model = gtk_tree_view_get_model(list_view);
 709         GtkTreeIter iter;
 710         FolderColumnType result;
 711
 712         if (!gtk_tree_model_iter_nth_child(model, &iter, NULL, row))
 713                 return -1;
 714
 715         gtk_tree_model_get(model, &iter,
 716                            SUMCOL_TYPE, &result,
 717                            -1);
 718
 719         return result;
 720 }
 721
 722 static GtkWidget *prefs_folder_column_list_view_create(const gchar *name)
 723 {
 724         GtkWidget *list_view;
 725         GtkTreeSelection *selector;
 726         GtkTreeModel *model;
 727
 728         model = GTK_TREE_MODEL(prefs_folder_column_create_store());
 729         list_view = gtk_tree_view_new_with_model(model);
 730         g_object_unref(G_OBJECT(model));
 731
 732         gtk_tree_view_set_rules_hint(GTK_TREE_VIEW(list_view),
 733                                      prefs_common.use_stripes_everywhere);
 734
 735         selector = gtk_tree_view_get_selection(GTK_TREE_VIEW(list_view));
 736         gtk_tree_selection_set_mode(selector, GTK_SELECTION_BROWSE);
 737
 738         prefs_filtering_create_list_view_columns(GTK_WIDGET(list_view), name);
 739
 740         gtk_tree_view_enable_model_drag_source(GTK_TREE_VIEW(list_view),
 741                                                GDK_BUTTON1_MASK,
 742                                                row_targets,
 743                                                G_N_ELEMENTS(row_targets),
 744                                                GDK_ACTION_MOVE);
 745
 746         gtk_tree_view_enable_model_drag_dest(GTK_TREE_VIEW(list_view),
 747                                              row_targets,
 748                                              G_N_ELEMENTS(row_targets),
 749                                              GDK_ACTION_MOVE);
 750
 751         g_signal_connect(G_OBJECT(list_view), "drag_data_get",
 752                          G_CALLBACK(drag_data_get),
 753                          model);
 754
 755         g_signal_connect(G_OBJECT(list_view), "drag_data_received",
 756                          G_CALLBACK(drag_data_received),
 757                          model);
 758
 759         return list_view;
 760 }
 761
 762 static void prefs_filtering_create_list_view_columns(GtkWidget *list_view,
 763                                                      const gchar *name)
 764 {
 765         GtkTreeViewColumn *column;
 766         GtkCellRenderer *renderer;
 767
 768         renderer = gtk_cell_renderer_text_new();
 769         column = gtk_tree_view_column_new_with_attributes
 770                 (name, renderer, "text", SUMCOL_NAME, NULL);
 771         gtk_tree_view_append_column(GTK_TREE_VIEW(list_view), column);
 772 }
 773
 774 static void drag_data_get(GtkTreeView *tree_view, GdkDragContext *context,
 775                           GtkSelectionData *data, guint info,
 776                           guint time, GtkTreeModel *model)
 777 {
 778         GtkTreeIter iter;
 779         FolderColumnType type;
 780         GtkTreeModel *source_model;
 781
 782         if (info != TARGET_INFO_SUMCOL)
 783                 return;
 784
 785         if (!gtk_tree_selection_get_selected
 786                         (gtk_tree_view_get_selection(tree_view),
 787                          &source_model, &iter))
 788                 return;
 789
 790         gtk_tree_model_get(source_model, &iter,
 791                            SUMCOL_TYPE, &type,
 792                            -1);
 793
 794         /* send the type */
 795         gtk_selection_data_set(data, data->target, 8, (gchar *) &type, sizeof type);
 796 }
 797
 798 static void drag_data_received(GtkTreeView *tree_view, GdkDragContext *context,
 799                                gint x, gint y, GtkSelectionData *data,
 800                                guint info, guint time, GtkTreeModel *model)
 801 {
 802         GtkWidget *source;
 803         GtkTreePath *dst = NULL, *sel = NULL;
 804         GtkTreeIter isel, idst;
 805         GtkTreeViewDropPosition pos;
 806         FolderColumnType type;
 807         GtkTreeModel *sel_model;
 808         gchar *name;
 809
 810         source = gtk_drag_get_source_widget(context);
 811
 812         if (source == GTK_WIDGET(tree_view)) {
 813
 814                 /*
 815                  * Same widget: re-order
 816                  */
 817
 818                 gtk_tree_selection_get_selected(gtk_tree_view_get_selection(tree_view),
 819                                            NULL, &isel);
 820                 sel = gtk_tree_model_get_path(model, &isel);
 821                 gtk_tree_view_get_dest_row_at_pos(tree_view, x, y,
 822                                                   &dst, &pos);
 823
 824                 /* NOTE: dst is invalid if selection beyond last row, in that
 825                  * case move beyond last one (XXX_move_before(..., NULL)) */
 826
 827                 if (dst)
 828                         gtk_tree_model_get_iter(model, &idst, dst);
 829                 else
 830                         gtk_list_store_move_before(GTK_LIST_STORE(model),
 831                                                    &isel,
 832                                                    NULL);
 833
 834                 /* we do not drag if no valid dst and sel, and when
 835                  * dst and sel are the same (moving after or before
 836                  * itself doesn't change order...) */
 837                 if ((dst && sel) && gtk_tree_path_compare(sel, dst) != 0) {
 838                         if (pos == GTK_TREE_VIEW_DROP_BEFORE
 839                         ||  pos == GTK_TREE_VIEW_DROP_INTO_OR_BEFORE)
 840                                 gtk_list_store_move_before(GTK_LIST_STORE(model),
 841                                                            &isel,
 842                                                            &idst);
 843                         else
 844                                 gtk_list_store_move_after(GTK_LIST_STORE(model),
 845                                                           &isel,
 846                                                           &idst);
 847
 848                 }
 849                 gtk_tree_path_free(dst);
 850                 gtk_tree_path_free(sel);
 851                 gtk_drag_finish(context, TRUE, FALSE, time);
 852
 853         } else if (source == folder_col.stock_list_view
 854         ||         source == folder_col.shown_list_view) {
 855
 856                 /*
 857                  * Other widget: change and update
 858                  */
 859
 860
 861                 /* get source information and remove */
 862                 gtk_tree_selection_get_selected(gtk_tree_view_get_selection(
 863                                                 GTK_TREE_VIEW(source)),
 864                                                 &sel_model, &isel);
 865                 type = *((gint *) data->data);
 866                 name = gettext(col_name[type]);
 867                 gtk_list_store_remove(GTK_LIST_STORE(sel_model), &isel);
 868
 869                 /* get insertion position */
 870                 gtk_tree_view_get_dest_row_at_pos(tree_view, x, y, &dst, &pos);
 871
 872                 /* NOTE: dst is invalid if insertion point beyond last row,
 873                  * just append to list in that case (XXX_store_append()) */
 874
 875                 if (dst) {
 876                         gtk_tree_model_get_iter(model, &idst, dst);
 877
 878                         if (pos == GTK_TREE_VIEW_DROP_BEFORE
 879                         ||  pos == GTK_TREE_VIEW_DROP_INTO_OR_BEFORE)
 880                                 gtk_list_store_insert_before(GTK_LIST_STORE(model),
 881                                                              &isel,
 882                                                              &idst);
 883                         else
 884                                 gtk_list_store_insert_after(GTK_LIST_STORE(model),
 885                                                             &isel,
 886                                                             &idst);
 887                 } else
 888                         gtk_list_store_append(GTK_LIST_STORE(model),
 889                                               &isel);
 890
 891                 gtk_list_store_set(GTK_LIST_STORE(model), &isel,
 892                                    SUMCOL_NAME, name,
 893                                    SUMCOL_TYPE, type, -1);
 894                 gtk_tree_path_free(dst);
 895                 gtk_drag_finish(context, TRUE, FALSE, time);
 896         }
 897
 898         prefs_folder_column_shown_set_active(FALSE);
 899         prefs_folder_column_stock_set_active(FALSE);
 900
 901         /* XXXX: should we call gtk_drag_finish() for other code paths? */
 902 }
 903
 904 static void prefs_folder_column_shown_set_btn_sensitivity(void)
 905 {
 906         GtkTreeModel *model = GTK_TREE_MODEL(gtk_tree_view_get_model(
 907                 GTK_TREE_VIEW(folder_col.shown_list_view)));
 908         GtkTreeSelection *selection = gtk_tree_view_get_selection(
 909                 GTK_TREE_VIEW(folder_col.shown_list_view));
 910         GtkTreeIter iter;
 911         GtkTreePath *path;
 912
 913         if(!gtk_tree_selection_get_selected(selection, NULL, &iter)) {
 914                 gtk_widget_set_sensitive(folder_col.remove_btn, FALSE);
 915                 gtk_widget_set_sensitive(folder_col.up_btn, FALSE);
 916                 gtk_widget_set_sensitive(folder_col.down_btn, FALSE);
 917                 return;
 918         }
 919
 920         path = gtk_tree_model_get_path(model, &iter);
 921
 922         gtk_widget_set_sensitive(folder_col.up_btn, gtk_tree_path_prev(path));
 923         gtk_widget_set_sensitive(folder_col.down_btn,
 924                                  gtk_tree_model_iter_next(model, &iter));
 925         gtk_tree_path_free(path);
 926 }
 927
 928 static void prefs_folder_column_shown_set_active(const gboolean active)
 929 {
 930         GtkTreeSelection *selection = NULL;
 931
 932         gtk_widget_set_sensitive(folder_col.remove_btn, active);
 933
 934         if(active == FALSE) {
 935                 selection = gtk_tree_view_get_selection(
 936                         GTK_TREE_VIEW(folder_col.shown_list_view));
 937                 gtk_tree_selection_unselect_all(selection);
 938
 939                 gtk_widget_set_sensitive(folder_col.up_btn, FALSE);
 940                 gtk_widget_set_sensitive(folder_col.down_btn, FALSE);
 941         } else {
 942                 prefs_folder_column_shown_set_btn_sensitivity();
 943         }
 944 }
 945
 946 static void prefs_folder_column_stock_set_active(const gboolean active)
 947 {
 948         GtkTreeSelection *selection = NULL;
 949
 950         gtk_widget_set_sensitive(folder_col.add_btn, active);
 951
 952         if(active == FALSE) {
 953                 selection = gtk_tree_view_get_selection(
 954                         GTK_TREE_VIEW(folder_col.stock_list_view));
 955                 gtk_tree_selection_unselect_all(selection);
 956         }
 957 }
 958
 959 static void prefs_folder_column_stock_sel_changed(void)
 960 {
 961         GtkTreeSelection *selection = gtk_tree_view_get_selection(
 962                 GTK_TREE_VIEW(folder_col.stock_list_view));
 963         prefs_folder_column_stock_set_active(
 964                 (selection != NULL) ? TRUE : FALSE);
 965         prefs_folder_column_shown_set_active(
 966                 (selection != NULL) ? FALSE : TRUE);
 967 }
 968
 969 static void prefs_folder_column_shown_sel_changed(void)
 970 {
 971         GtkTreeSelection *selection = gtk_tree_view_get_selection(
 972                 GTK_TREE_VIEW(folder_col.shown_list_view));
 973         prefs_folder_column_shown_set_active(
 974                 (selection != NULL) ? TRUE : FALSE);
 975         prefs_folder_column_stock_set_active(
 976                 (selection != NULL) ? FALSE : TRUE);
 977 }