src/prefs_summary_column.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2012 Hiroyuki Yamamoto and 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 #include "claws-features.h"
  23 #endif
  24
  25 #include "defs.h"
  26
  27 #include <glib.h>
  28 #include <glib/gi18n.h>
  29 #include <gtk/gtk.h>
  30 #include <gdk/gdkkeysyms.h>
  31
  32 #include "prefs_gtk.h"
  33 #include "prefs_common.h"
  34 #include "prefs_summary_column.h"
  35 #include "manage_window.h"
  36 #include "summaryview.h"
  37 #include "mainwindow.h"
  38 #include "inc.h"
  39 #include "gtkutils.h"
  40 #include "utils.h"
  41
  42 static void prefs_summary_column_set_config(SummaryColumnState *state);
  43
  44 enum {
  45         SUMCOL_NAME,
  46         SUMCOL_TYPE,
  47         N_SUMCOL_COLUMNS
  48 };
  49
  50 #define TARGET_INFO_SUMCOL  (0xFEEDBABE)
  51
  52 static const GtkTargetEntry row_targets[] = {
  53         { "PREFS_SUM_COL_MODEL_ROW", GTK_TARGET_SAME_APP, TARGET_INFO_SUMCOL }
  54 };
  55
  56
  57 static struct _SummaryColumnDialog
  58 {
  59         GtkWidget *window;
  60
  61         GtkWidget *stock_list_view;
  62         GtkWidget *shown_list_view;
  63
  64         GtkWidget *add_btn;
  65         GtkWidget *remove_btn;
  66         GtkWidget *up_btn;
  67         GtkWidget *down_btn;
  68
  69         GtkWidget *default_btn;
  70
  71         GtkWidget *ok_btn;
  72         GtkWidget *cancel_btn;
  73
  74         gboolean finished;
  75 } summary_col;
  76
  77 static const gchar *const col_name[N_SUMMARY_COLS] = {
  78         N_("Mark"),             /* S_COL_MARK    */
  79         N_("Status"),           /* S_COL_STATUS  */
  80         N_("Attachment"),       /* S_COL_MIME    */
  81         N_("Subject"),          /* S_COL_SUBJECT */
  82         N_("From"),             /* S_COL_FROM    */
  83         N_("To"),               /* S_COL_TO      */
  84         N_("Date"),             /* S_COL_DATE    */
  85         N_("Size"),             /* S_COL_SIZE    */
  86         N_("Number"),           /* S_COL_NUMBER  */
  87         N_("Score"),            /* S_COL_SCORE   */
  88         N_("Locked"),           /* S_COL_LOCKED  */
  89         N_("Tags"),             /* S_COL_TAGS  */
  90 };
  91
  92 static SummaryColumnState default_state[N_SUMMARY_COLS] = {
  93         { S_COL_MARK   , TRUE  },
  94         { S_COL_STATUS , TRUE  },
  95         { S_COL_MIME   , TRUE  },
  96         { S_COL_SUBJECT, TRUE  },
  97         { S_COL_FROM   , TRUE  },
  98         { S_COL_TO     , FALSE },
  99         { S_COL_DATE   , TRUE  },
 100         { S_COL_SIZE   , TRUE  },
 101         { S_COL_NUMBER , FALSE },
 102         { S_COL_SCORE  , FALSE },
 103         { S_COL_LOCKED , FALSE },
 104         { S_COL_TAGS   , FALSE },
 105 };
 106
 107 static void prefs_summary_column_create (void);
 108
 109 static void prefs_summary_column_set_dialog     (SummaryColumnState *state);
 110 static void prefs_summary_column_set_view       (void);
 111
 112 /* callback functions */
 113 static void prefs_summary_column_add    (void);
 114 static void prefs_summary_column_remove (void);
 115
 116 static void prefs_summary_column_up     (void);
 117 static void prefs_summary_column_down   (void);
 118
 119 static void prefs_summary_column_set_to_default (void);
 120
 121 static void prefs_summary_column_ok     (void);
 122 static void prefs_summary_column_cancel (void);
 123
 124 static gint prefs_summary_column_delete_event   (GtkWidget      *widget,
 125                                                  GdkEventAny    *event,
 126                                                  gpointer        data);
 127 static gboolean prefs_summary_column_key_pressed(GtkWidget      *widget,
 128                                                  GdkEventKey    *event,
 129                                                  gpointer        data);
 130
 131 static GtkListStore *prefs_summary_column_create_store  (void);
 132
 133 static void prefs_summary_column_insert_column  (GtkListStore *store,
 134                                                  gint row,
 135                                                  const gchar *name,
 136                                                  SummaryColumnType type);
 137
 138 static SummaryColumnType prefs_summary_column_get_column        (GtkWidget *list,
 139                                                                  gint row);
 140
 141 static GtkWidget *prefs_summary_column_list_view_create (const gchar *name);
 142
 143 static void prefs_filtering_create_list_view_columns    (GtkWidget *list_view,
 144                                                          const gchar *name);
 145
 146 static void drag_data_get       (GtkTreeView *tree_view,
 147                                  GdkDragContext *context,
 148                                  GtkSelectionData *data,
 149                                  guint info,
 150                                  guint time,
 151                                  GtkTreeModel *model);
 152
 153 static void drag_data_received  (GtkTreeView *tree_view,
 154                                  GdkDragContext *context,
 155                                  gint x, gint y,
 156                                  GtkSelectionData *data,
 157                                  guint info,
 158                                  guint time,
 159                                  GtkTreeModel *model);
 160
 161 static void prefs_summary_column_shown_set_btn_sensitivity(void);
 162 static void prefs_summary_column_shown_set_active(const gboolean active);
 163 static void prefs_summary_column_stock_set_active(const gboolean active);
 164 static void prefs_summary_column_shown_sel_changed(void);
 165 static void prefs_summary_column_stock_sel_changed(void);
 166
 167 void prefs_summary_column_open(void)
 168 {
 169         inc_lock();
 170
 171         if (!summary_col.window)
 172                 prefs_summary_column_create();
 173
 174         manage_window_set_transient(GTK_WINDOW(summary_col.window));
 175         gtk_widget_grab_focus(summary_col.ok_btn);
 176
 177         prefs_summary_column_set_dialog(NULL);
 178
 179         gtk_widget_show(summary_col.window);
 180         gtk_window_set_modal(GTK_WINDOW(summary_col.window), TRUE);
 181
 182         summary_col.finished = FALSE;
 183         while (summary_col.finished == FALSE)
 184                 gtk_main_iteration();
 185
 186         gtk_widget_hide(summary_col.window);
 187         gtk_window_set_modal(GTK_WINDOW(summary_col.window), FALSE);
 188         inc_unlock();
 189 }
 190
 191 static void prefs_summary_column_create(void)
 192 {
 193         GtkWidget *window;
 194         GtkWidget *vbox;
 195
 196         GtkWidget *label_hbox;
 197         GtkWidget *label;
 198
 199         GtkWidget *vbox1;
 200
 201         GtkWidget *hbox1;
 202         GtkWidget *clist_hbox;
 203         GtkWidget *scrolledwin;
 204         GtkWidget *stock_list_view;
 205         GtkWidget *shown_list_view;
 206
 207         GtkWidget *btn_vbox;
 208         GtkWidget *add_btn;
 209         GtkWidget *remove_btn;
 210         GtkWidget *up_btn;
 211         GtkWidget *down_btn;
 212
 213         GtkWidget *btn_hbox;
 214         GtkWidget *default_btn;
 215         GtkWidget *confirm_area;
 216         GtkWidget *ok_btn;
 217         GtkWidget *cancel_btn;
 218
 219         debug_print("Creating summary column setting window...\n");
 220
 221         window = gtkut_window_new(GTK_WINDOW_TOPLEVEL, "prefs_summary_column");
 222         gtk_container_set_border_width(GTK_CONTAINER(window), 8);
 223         gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
 224         gtk_window_set_resizable(GTK_WINDOW(window), FALSE);
 225         gtk_window_set_title(GTK_WINDOW(window),
 226                              _("Message list columns configuration"));
 227         g_signal_connect(G_OBJECT(window), "delete_event",
 228                          G_CALLBACK(prefs_summary_column_delete_event),
 229                          NULL);
 230         g_signal_connect(G_OBJECT(window), "key_press_event",
 231                          G_CALLBACK(prefs_summary_column_key_pressed),
 232                          NULL);
 233
 234         vbox = gtk_vbox_new(FALSE, 6);
 235         gtk_widget_show(vbox);
 236         gtk_container_add(GTK_CONTAINER(window), vbox);
 237
 238         label_hbox = gtk_hbox_new(FALSE, 0);
 239         gtk_widget_show(label_hbox);
 240         gtk_box_pack_start(GTK_BOX(vbox), label_hbox, FALSE, FALSE, 4);
 241
 242         label = gtk_label_new
 243                 (_("Select columns to be displayed in the message list. You can modify\n"
 244                    "the order by using the Up / Down buttons or by dragging the items."));
 245         gtk_widget_show(label);
 246         gtk_box_pack_start(GTK_BOX(label_hbox), label, FALSE, FALSE, 4);
 247         gtk_label_set_justify(GTK_LABEL(label), GTK_JUSTIFY_LEFT);
 248
 249         vbox1 = gtk_vbox_new(FALSE, VSPACING);
 250         gtk_widget_show(vbox1);
 251         gtk_box_pack_start(GTK_BOX(vbox), vbox1, TRUE, TRUE, 0);
 252         gtk_container_set_border_width(GTK_CONTAINER(vbox1), 2);
 253
 254         hbox1 = gtk_hbox_new(FALSE, 8);
 255         gtk_widget_show(hbox1);
 256         gtk_box_pack_start(GTK_BOX(vbox1), hbox1, FALSE, TRUE, 0);
 257
 258         clist_hbox = gtk_hbox_new(FALSE, 8);
 259         gtk_widget_show(clist_hbox);
 260         gtk_box_pack_start(GTK_BOX(hbox1), clist_hbox, TRUE, TRUE, 0);
 261
 262         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 263         gtk_widget_set_size_request(scrolledwin, 180, 210);
 264         gtk_widget_show(scrolledwin);
 265         gtk_box_pack_start(GTK_BOX(clist_hbox), scrolledwin, TRUE, TRUE, 0);
 266         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
 267                                        GTK_POLICY_AUTOMATIC,
 268                                        GTK_POLICY_AUTOMATIC);
 269
 270
 271         stock_list_view = prefs_summary_column_list_view_create
 272                                 (_("Hidden columns"));
 273         g_signal_connect(G_OBJECT(stock_list_view), "cursor-changed",
 274                            G_CALLBACK(prefs_summary_column_stock_sel_changed),
 275                            NULL);
 276         gtk_widget_show(stock_list_view);
 277         gtk_container_add(GTK_CONTAINER(scrolledwin), stock_list_view);
 278
 279         /* add/remove button */
 280         btn_vbox = gtk_vbox_new(FALSE, 8);
 281         gtk_widget_show(btn_vbox);
 282         gtk_box_pack_start(GTK_BOX(hbox1), btn_vbox, FALSE, FALSE, 0);
 283
 284         add_btn = gtk_button_new_from_stock(GTK_STOCK_ADD);
 285         gtk_widget_show(add_btn);
 286         gtk_box_pack_start(GTK_BOX(btn_vbox), add_btn, FALSE, TRUE, 0);
 287
 288         g_signal_connect(G_OBJECT(add_btn), "clicked",
 289                          G_CALLBACK(prefs_summary_column_add), NULL);
 290
 291         clist_hbox = gtk_hbox_new(FALSE, 8);
 292         gtk_widget_show(clist_hbox);
 293         gtk_box_pack_start(GTK_BOX(hbox1), clist_hbox, TRUE, TRUE, 0);
 294
 295         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 296         gtk_widget_set_size_request(scrolledwin, 180, 210);
 297         gtk_widget_show(scrolledwin);
 298         gtk_box_pack_start(GTK_BOX(clist_hbox), scrolledwin, TRUE, TRUE, 0);
 299         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
 300                                        GTK_POLICY_AUTOMATIC,
 301                                        GTK_POLICY_AUTOMATIC);
 302
 303         shown_list_view = prefs_summary_column_list_view_create
 304                                 (_("Displayed columns"));
 305         g_signal_connect(G_OBJECT(shown_list_view), "cursor-changed",
 306                            G_CALLBACK(prefs_summary_column_shown_sel_changed),
 307                            NULL);
 308         gtk_widget_show(shown_list_view);
 309         gtk_container_add(GTK_CONTAINER(scrolledwin), shown_list_view);
 310
 311         /* up/down button */
 312         btn_vbox = gtk_vbox_new(FALSE, 8);
 313         gtk_widget_show(btn_vbox);
 314         gtk_box_pack_start(GTK_BOX(hbox1), btn_vbox, FALSE, FALSE, 0);
 315
 316         remove_btn = gtk_button_new_from_stock(GTK_STOCK_REMOVE);
 317         gtk_widget_show(remove_btn);
 318         gtk_box_pack_start(GTK_BOX(btn_vbox), remove_btn, FALSE, TRUE, 0);
 319
 320         up_btn = gtk_button_new_from_stock(GTK_STOCK_GO_UP);
 321         gtk_widget_show(up_btn);
 322         gtk_box_pack_start(GTK_BOX(btn_vbox), up_btn, FALSE, TRUE, 0);
 323
 324         down_btn = gtk_button_new_from_stock(GTK_STOCK_GO_DOWN);
 325         gtk_widget_show(down_btn);
 326         gtk_box_pack_start(GTK_BOX(btn_vbox), down_btn, FALSE, TRUE, 0);
 327
 328         g_signal_connect(G_OBJECT(remove_btn), "clicked",
 329                          G_CALLBACK(prefs_summary_column_remove), NULL);
 330         g_signal_connect(G_OBJECT(up_btn), "clicked",
 331                          G_CALLBACK(prefs_summary_column_up), NULL);
 332         g_signal_connect(G_OBJECT(down_btn), "clicked",
 333                          G_CALLBACK(prefs_summary_column_down), NULL);
 334
 335         btn_hbox = gtk_hbox_new(FALSE, 8);
 336         gtk_widget_show(btn_hbox);
 337         gtk_box_pack_end(GTK_BOX(vbox), btn_hbox, FALSE, FALSE, 0);
 338
 339         btn_vbox = gtk_vbox_new(FALSE, 0);
 340         gtk_widget_show(btn_vbox);
 341         gtk_box_pack_start(GTK_BOX(btn_hbox), btn_vbox, FALSE, FALSE, 0);
 342
 343         default_btn = gtk_button_new_with_label(_(" Use default "));
 344         gtk_widget_show(default_btn);
 345         gtk_box_pack_start(GTK_BOX(btn_vbox), default_btn, TRUE, FALSE, 0);
 346         g_signal_connect(G_OBJECT(default_btn), "clicked",
 347                          G_CALLBACK(prefs_summary_column_set_to_default),
 348                          NULL);
 349
 350         gtkut_stock_button_set_create(&confirm_area,
 351                                       &cancel_btn, GTK_STOCK_CANCEL,
 352                                       &ok_btn, GTK_STOCK_OK,
 353                                       NULL, NULL);
 354         gtk_widget_show(confirm_area);
 355         gtk_box_pack_end(GTK_BOX(btn_hbox), confirm_area, FALSE, FALSE, 0);
 356         gtk_widget_grab_default(ok_btn);
 357
 358         g_signal_connect(G_OBJECT(ok_btn), "clicked",
 359                          G_CALLBACK(prefs_summary_column_ok), NULL);
 360         g_signal_connect(G_OBJECT(cancel_btn), "clicked",
 361                          G_CALLBACK(prefs_summary_column_cancel), NULL);
 362
 363
 364         summary_col.window      = window;
 365         summary_col.add_btn     = add_btn;
 366         summary_col.remove_btn  = remove_btn;
 367         summary_col.up_btn      = up_btn;
 368         summary_col.down_btn    = down_btn;
 369         summary_col.ok_btn      = ok_btn;
 370         summary_col.cancel_btn  = cancel_btn;
 371         summary_col.stock_list_view = stock_list_view;
 372         summary_col.shown_list_view = shown_list_view;
 373
 374         prefs_summary_column_shown_set_active(FALSE);
 375         prefs_summary_column_stock_set_active(FALSE);
 376 }
 377
 378 SummaryColumnState *prefs_summary_column_get_config(void)
 379 {
 380         static SummaryColumnState state[N_SUMMARY_COLS];
 381         SummaryColumnType type;
 382         gint pos;
 383
 384         for (pos = 0; pos < N_SUMMARY_COLS; pos++)
 385                 state[pos].type = -1;
 386
 387         for (type = 0; type < N_SUMMARY_COLS; type++) {
 388                 pos = prefs_common.summary_col_pos[type];
 389                 if (pos < 0 || pos >= N_SUMMARY_COLS ||
 390                     state[pos].type != -1) {
 391                         g_warning("Wrong column position");
 392                         prefs_summary_column_set_config(default_state);
 393                         return default_state;
 394                 }
 395
 396                 state[pos].type = type;
 397                 state[pos].visible = prefs_common.summary_col_visible[type];
 398         }
 399
 400         return state;
 401 }
 402
 403 static void prefs_summary_column_set_config(SummaryColumnState *state)
 404 {
 405         SummaryColumnType type;
 406         gint pos;
 407
 408         for (pos = 0; pos < N_SUMMARY_COLS; pos++) {
 409                 type = state[pos].type;
 410                 prefs_common.summary_col_visible[type] = state[pos].visible;
 411                 prefs_common.summary_col_pos[type] = pos;
 412         }
 413 }
 414
 415 static void prefs_summary_column_set_dialog(SummaryColumnState *state)
 416 {
 417         GtkListStore *stock_store, *shown_store;
 418         gint pos;
 419         SummaryColumnType type;
 420         gchar *name;
 421
 422         stock_store = GTK_LIST_STORE(gtk_tree_view_get_model
 423                         (GTK_TREE_VIEW(summary_col.stock_list_view)));
 424         shown_store = GTK_LIST_STORE(gtk_tree_view_get_model
 425                         (GTK_TREE_VIEW(summary_col.shown_list_view)));
 426
 427         gtk_list_store_clear(stock_store);
 428         gtk_list_store_clear(shown_store);
 429
 430         if (!state)
 431                 state = prefs_summary_column_get_config();
 432
 433         for (pos = 0; pos < N_SUMMARY_COLS; pos++) {
 434                 type = state[pos].type;
 435                 name = gettext(col_name[type]);
 436
 437                 if (state[pos].visible)
 438                         prefs_summary_column_insert_column(shown_store,
 439                                                            -1, name,
 440                                                            type);
 441                 else
 442                         prefs_summary_column_insert_column(stock_store,
 443                                                             -1, name,
 444                                                             type);
 445         }
 446 }
 447
 448 static void prefs_summary_column_set_view(void)
 449 {
 450         gint stock_n_rows, shown_n_rows;
 451         SummaryColumnState state[N_SUMMARY_COLS];
 452         SummaryColumnType type;
 453         gint row, pos = 0;
 454
 455         stock_n_rows = gtk_tree_model_iter_n_children
 456                 (gtk_tree_view_get_model(GTK_TREE_VIEW
 457                         (summary_col.stock_list_view)), NULL);
 458         shown_n_rows = gtk_tree_model_iter_n_children
 459                 (gtk_tree_view_get_model(GTK_TREE_VIEW
 460                         (summary_col.shown_list_view)), NULL);
 461
 462         cm_return_if_fail
 463                 (stock_n_rows + shown_n_rows == N_SUMMARY_COLS);
 464
 465         for (row = 0; row < stock_n_rows; row++) {
 466                 type = prefs_summary_column_get_column
 467                         (summary_col.stock_list_view, row);
 468                 state[row].type = type;
 469                 state[row].visible = FALSE;
 470         }
 471
 472         pos = row;
 473         for (row = 0; row < shown_n_rows; row++) {
 474                 type = prefs_summary_column_get_column
 475                         (summary_col.shown_list_view, row);
 476                 state[pos + row].type = type;
 477                 state[pos + row].visible = TRUE;
 478         }
 479
 480         prefs_summary_column_set_config(state);
 481         main_window_set_summary_column();
 482 }
 483
 484 static void prefs_summary_column_add(void)
 485 {
 486         GtkListStore *stock_store, *shown_store;
 487         GtkTreeIter stock_sel, shown_sel, shown_add;
 488         gboolean shown_sel_valid;
 489         gchar *name;
 490         SummaryColumnType type;
 491
 492         stock_store = GTK_LIST_STORE(gtk_tree_view_get_model
 493                 (GTK_TREE_VIEW(summary_col.stock_list_view)));
 494         shown_store = GTK_LIST_STORE(gtk_tree_view_get_model
 495                 (GTK_TREE_VIEW(summary_col.shown_list_view)));
 496
 497         if (!gtk_tree_selection_get_selected
 498                 (gtk_tree_view_get_selection
 499                         (GTK_TREE_VIEW(summary_col.stock_list_view)),
 500                  NULL,
 501                  &stock_sel))
 502                 return;
 503
 504         shown_sel_valid = gtk_tree_selection_get_selected
 505                 (gtk_tree_view_get_selection
 506                         (GTK_TREE_VIEW(summary_col.shown_list_view)),
 507                  NULL,
 508                  &shown_sel);
 509
 510         gtk_tree_model_get(GTK_TREE_MODEL(stock_store), &stock_sel,
 511                            SUMCOL_TYPE, &type,
 512                            -1);
 513
 514         gtk_list_store_remove(stock_store, &stock_sel);
 515
 516         gtk_list_store_insert_after(shown_store, &shown_add,
 517                                     shown_sel_valid ? &shown_sel : NULL);
 518
 519         name = gettext(col_name[type]);
 520
 521         gtk_list_store_set(shown_store, &shown_add,
 522                            SUMCOL_NAME, name,
 523                            SUMCOL_TYPE, type,
 524                            -1);
 525
 526         gtk_tree_selection_select_iter(gtk_tree_view_get_selection
 527                 (GTK_TREE_VIEW(summary_col.shown_list_view)),
 528                  &shown_add);
 529         prefs_summary_column_shown_set_active(TRUE);
 530         prefs_summary_column_stock_set_active(FALSE);
 531 }
 532
 533 static void prefs_summary_column_remove(void)
 534 {
 535         GtkListStore *stock_store, *shown_store;
 536         GtkTreeIter shown_sel, stock_sel, stock_add;
 537         gboolean stock_sel_valid;
 538         gchar *name;
 539         SummaryColumnType type;
 540
 541         stock_store = GTK_LIST_STORE(gtk_tree_view_get_model
 542                 (GTK_TREE_VIEW(summary_col.stock_list_view)));
 543         shown_store = GTK_LIST_STORE(gtk_tree_view_get_model
 544                 (GTK_TREE_VIEW(summary_col.shown_list_view)));
 545
 546         if (!gtk_tree_selection_get_selected
 547                 (gtk_tree_view_get_selection
 548                         (GTK_TREE_VIEW(summary_col.shown_list_view)),
 549                  NULL,
 550                  &shown_sel))
 551                 return;
 552
 553         stock_sel_valid = gtk_tree_selection_get_selected
 554                 (gtk_tree_view_get_selection
 555                         (GTK_TREE_VIEW(summary_col.stock_list_view)),
 556                  NULL,
 557                  &stock_sel);
 558
 559         gtk_tree_model_get(GTK_TREE_MODEL(shown_store), &shown_sel,
 560                            SUMCOL_TYPE, &type,
 561                            -1);
 562
 563         gtk_list_store_remove(shown_store, &shown_sel);
 564
 565         gtk_list_store_insert_after(stock_store, &stock_add,
 566                                     stock_sel_valid ? &stock_sel : NULL);
 567
 568         name = gettext(col_name[type]);
 569
 570         gtk_list_store_set(stock_store, &stock_add,
 571                            SUMCOL_NAME, name,
 572                            SUMCOL_TYPE, type,
 573                            -1);
 574
 575         gtk_tree_selection_select_iter(gtk_tree_view_get_selection
 576                 (GTK_TREE_VIEW(summary_col.stock_list_view)),
 577                 &stock_add);
 578         prefs_summary_column_shown_set_active(FALSE);
 579         prefs_summary_column_stock_set_active(TRUE);
 580 }
 581
 582 static void prefs_summary_column_up(void)
 583 {
 584         GtkTreePath *prev, *sel;
 585         GtkTreeIter isel;
 586         GtkListStore *shown_store;
 587         GtkTreeIter iprev;
 588
 589         if (!gtk_tree_selection_get_selected
 590                 (gtk_tree_view_get_selection
 591                         (GTK_TREE_VIEW(summary_col.shown_list_view)),
 592                  NULL,
 593                  &isel))
 594                 return;
 595
 596         shown_store = GTK_LIST_STORE(gtk_tree_view_get_model
 597                 (GTK_TREE_VIEW(summary_col.shown_list_view)));
 598
 599         sel = gtk_tree_model_get_path(GTK_TREE_MODEL(shown_store),
 600                                       &isel);
 601         if (!sel)
 602                 return;
 603
 604         prev = gtk_tree_path_copy(sel);
 605         if (!gtk_tree_path_prev(prev)) {
 606                 gtk_tree_path_free(prev);
 607                 gtk_tree_path_free(sel);
 608                 return;
 609         }
 610
 611         gtk_tree_model_get_iter(GTK_TREE_MODEL(shown_store),
 612                                 &iprev, prev);
 613         gtk_tree_path_free(sel);
 614         gtk_tree_path_free(prev);
 615
 616         gtk_list_store_swap(shown_store, &iprev, &isel);
 617         prefs_summary_column_shown_set_btn_sensitivity();
 618 }
 619
 620 static void prefs_summary_column_down(void)
 621 {
 622         GtkListStore *shown_store;
 623         GtkTreeIter next, sel;
 624
 625         if (!gtk_tree_selection_get_selected
 626                 (gtk_tree_view_get_selection
 627                         (GTK_TREE_VIEW(summary_col.shown_list_view)),
 628                  NULL,
 629                  &sel))
 630                 return;
 631
 632         shown_store = GTK_LIST_STORE(gtk_tree_view_get_model
 633                 (GTK_TREE_VIEW(summary_col.shown_list_view)));
 634
 635         next = sel;
 636         if (!gtk_tree_model_iter_next(GTK_TREE_MODEL(shown_store), &next))
 637                 return;
 638
 639         gtk_list_store_swap(shown_store, &next, &sel);
 640         prefs_summary_column_shown_set_btn_sensitivity();
 641 }
 642
 643 static void prefs_summary_column_set_to_default(void)
 644 {
 645         prefs_summary_column_set_dialog(default_state);
 646         prefs_summary_column_shown_set_active(FALSE);
 647         prefs_summary_column_stock_set_active(FALSE);
 648 }
 649
 650 static void prefs_summary_column_ok(void)
 651 {
 652         if (!summary_col.finished) {
 653                 summary_col.finished = TRUE;
 654                 prefs_summary_column_set_view();
 655         }
 656 }
 657
 658 static void prefs_summary_column_cancel(void)
 659 {
 660         summary_col.finished = TRUE;
 661 }
 662
 663 static gint prefs_summary_column_delete_event(GtkWidget *widget,
 664                                               GdkEventAny *event,
 665                                               gpointer data)
 666 {
 667         summary_col.finished = TRUE;
 668         return TRUE;
 669 }
 670
 671 static gboolean prefs_summary_column_key_pressed(GtkWidget *widget,
 672                                                  GdkEventKey *event,
 673                                                  gpointer data)
 674 {
 675         if (event && event->keyval == GDK_KEY_Escape)
 676                 summary_col.finished = TRUE;
 677         return FALSE;
 678 }
 679
 680 static GtkListStore *prefs_summary_column_create_store(void)
 681 {
 682         return gtk_list_store_new(N_SUMCOL_COLUMNS,
 683                                   G_TYPE_STRING,
 684                                   G_TYPE_INT,
 685                                   -1);
 686 }
 687
 688 static void prefs_summary_column_insert_column(GtkListStore *store,
 689                                                gint row,
 690                                                const gchar *name,
 691                                                SummaryColumnType type)
 692 {
 693         GtkTreeIter iter;
 694
 695         if (row >= 0) {
 696                 if (!gtk_tree_model_iter_nth_child(GTK_TREE_MODEL(store),
 697                                                    &iter, NULL, row))
 698                         row = -1;
 699         }
 700         if (row < 0) {
 701                 /* add new */
 702                 gtk_list_store_append(store, &iter);
 703                 gtk_list_store_set(store, &iter,
 704                                    SUMCOL_NAME, name,
 705                                    SUMCOL_TYPE, type,
 706                                    -1);
 707                 return;
 708         } else {
 709                 /* change existing */
 710                 gtk_list_store_set(store, &iter,
 711                                    SUMCOL_NAME, name,
 712                                    SUMCOL_TYPE, type,
 713                                    -1);
 714         }
 715 }
 716
 717 /*!
 718  *\brief        Return the columnn type for a row
 719  */
 720 static SummaryColumnType prefs_summary_column_get_column(GtkWidget *list, gint row)
 721 {
 722         GtkTreeView *list_view = GTK_TREE_VIEW(list);
 723         GtkTreeModel *model = gtk_tree_view_get_model(list_view);
 724         GtkTreeIter iter;
 725         SummaryColumnType result;
 726
 727         if (!gtk_tree_model_iter_nth_child(model, &iter, NULL, row))
 728                 return -1;
 729
 730         gtk_tree_model_get(model, &iter,
 731                            SUMCOL_TYPE, &result,
 732                            -1);
 733
 734         return result;
 735 }
 736
 737 static GtkWidget *prefs_summary_column_list_view_create(const gchar *name)
 738 {
 739         GtkWidget *list_view;
 740         GtkTreeSelection *selector;
 741         GtkTreeModel *model;
 742
 743         model = GTK_TREE_MODEL(prefs_summary_column_create_store());
 744         list_view = gtk_tree_view_new_with_model(model);
 745         g_object_unref(G_OBJECT(model));
 746
 747         gtk_tree_view_set_rules_hint(GTK_TREE_VIEW(list_view),
 748                                      prefs_common.use_stripes_everywhere);
 749
 750         selector = gtk_tree_view_get_selection(GTK_TREE_VIEW(list_view));
 751         gtk_tree_selection_set_mode(selector, GTK_SELECTION_BROWSE);
 752
 753         prefs_filtering_create_list_view_columns(GTK_WIDGET(list_view), name);
 754
 755         gtk_tree_view_enable_model_drag_source(GTK_TREE_VIEW(list_view),
 756                                                GDK_BUTTON1_MASK,
 757                                                row_targets,
 758                                                G_N_ELEMENTS(row_targets),
 759                                                GDK_ACTION_MOVE);
 760
 761         gtk_tree_view_enable_model_drag_dest(GTK_TREE_VIEW(list_view),
 762                                              row_targets,
 763                                              G_N_ELEMENTS(row_targets),
 764                                              GDK_ACTION_MOVE);
 765
 766         g_signal_connect(G_OBJECT(list_view), "drag_data_get",
 767                          G_CALLBACK(drag_data_get),
 768                          model);
 769
 770         g_signal_connect(G_OBJECT(list_view), "drag_data_received",
 771                          G_CALLBACK(drag_data_received),
 772                          model);
 773
 774         return list_view;
 775 }
 776
 777 static void prefs_filtering_create_list_view_columns(GtkWidget *list_view,
 778                                                      const gchar *name)
 779 {
 780         GtkTreeViewColumn *column;
 781         GtkCellRenderer *renderer;
 782
 783         renderer = gtk_cell_renderer_text_new();
 784         column = gtk_tree_view_column_new_with_attributes
 785                 (name, renderer, "text", SUMCOL_NAME, NULL);
 786         gtk_tree_view_append_column(GTK_TREE_VIEW(list_view), column);
 787 }
 788
 789 static void drag_data_get(GtkTreeView *tree_view, GdkDragContext *context,
 790                           GtkSelectionData *data, guint info,
 791                           guint time, GtkTreeModel *model)
 792 {
 793         GtkTreeIter iter;
 794         SummaryColumnType type;
 795         GtkTreeModel *source_model;
 796
 797         if (info != TARGET_INFO_SUMCOL)
 798                 return;
 799
 800         if (!gtk_tree_selection_get_selected
 801                         (gtk_tree_view_get_selection(tree_view),
 802                          &source_model, &iter))
 803                 return;
 804
 805         gtk_tree_model_get(source_model, &iter,
 806                            SUMCOL_TYPE, &type,
 807                            -1);
 808
 809         /* send the type */
 810         gtk_selection_data_set(data, gtk_selection_data_get_target(data), 8,
 811                 (gchar *) &type, sizeof type);
 812 }
 813
 814 static void drag_data_received(GtkTreeView *tree_view, GdkDragContext *context,
 815                                gint x, gint y, GtkSelectionData *data,
 816                                guint info, guint time, GtkTreeModel *model)
 817 {
 818         GtkWidget *source;
 819         GtkTreePath *dst = NULL, *sel = NULL;
 820         GtkTreeIter isel, idst;
 821         GtkTreeViewDropPosition pos;
 822         SummaryColumnType type;
 823         GtkTreeModel *sel_model;
 824         gchar *name;
 825
 826         source = gtk_drag_get_source_widget(context);
 827
 828         if (source == GTK_WIDGET(tree_view)) {
 829
 830                 /*
 831                  * Same widget: re-order
 832                  */
 833
 834                 gtk_tree_selection_get_selected(gtk_tree_view_get_selection(tree_view),
 835                                            NULL, &isel);
 836                 sel = gtk_tree_model_get_path(model, &isel);
 837                 gtk_tree_view_get_dest_row_at_pos(tree_view, x, y,
 838                                                   &dst, &pos);
 839
 840                 /* NOTE: dst is invalid if selection beyond last row, in that
 841                  * case move beyond last one (XXX_move_before(..., NULL)) */
 842
 843                 if (dst)
 844                         gtk_tree_model_get_iter(model, &idst, dst);
 845                 else
 846                         gtk_list_store_move_before(GTK_LIST_STORE(model),
 847                                                    &isel,
 848                                                    NULL);
 849
 850                 /* we do not drag if no valid dst and sel, and when
 851                  * dst and sel are the same (moving after or before
 852                  * itself doesn't change order...) */
 853                 if ((dst && sel) && gtk_tree_path_compare(sel, dst) != 0) {
 854                         if (pos == GTK_TREE_VIEW_DROP_BEFORE
 855                         ||  pos == GTK_TREE_VIEW_DROP_INTO_OR_BEFORE)
 856                                 gtk_list_store_move_before(GTK_LIST_STORE(model),
 857                                                            &isel,
 858                                                            &idst);
 859                         else
 860                                 gtk_list_store_move_after(GTK_LIST_STORE(model),
 861                                                           &isel,
 862                                                           &idst);
 863
 864                 }
 865                 gtk_tree_path_free(dst);
 866                 gtk_tree_path_free(sel);
 867                 gtk_drag_finish(context, TRUE, FALSE, time);
 868
 869         } else if (source == summary_col.stock_list_view
 870         ||         source == summary_col.shown_list_view) {
 871
 872                 /*
 873                  * Other widget: change and update
 874                  */
 875
 876
 877                 /* get source information and remove */
 878                 gtk_tree_selection_get_selected(gtk_tree_view_get_selection(
 879                                                 GTK_TREE_VIEW(source)),
 880                                                 &sel_model, &isel);
 881                 type = *((gint *) gtk_selection_data_get_data(data));
 882                 name = gettext(col_name[type]);
 883                 gtk_list_store_remove(GTK_LIST_STORE(sel_model), &isel);
 884
 885                 /* get insertion position */
 886                 gtk_tree_view_get_dest_row_at_pos(tree_view, x, y, &dst, &pos);
 887
 888                 /* NOTE: dst is invalid if insertion point beyond last row,
 889                  * just append to list in that case (XXX_store_append()) */
 890
 891                 if (dst) {
 892                         gtk_tree_model_get_iter(model, &idst, dst);
 893
 894                         if (pos == GTK_TREE_VIEW_DROP_BEFORE
 895                         ||  pos == GTK_TREE_VIEW_DROP_INTO_OR_BEFORE)
 896                                 gtk_list_store_insert_before(GTK_LIST_STORE(model),
 897                                                              &isel,
 898                                                              &idst);
 899                         else
 900                                 gtk_list_store_insert_after(GTK_LIST_STORE(model),
 901                                                             &isel,
 902                                                             &idst);
 903                 } else
 904                         gtk_list_store_append(GTK_LIST_STORE(model),
 905                                               &isel);
 906
 907                 gtk_list_store_set(GTK_LIST_STORE(model), &isel,
 908                                    SUMCOL_NAME, name,
 909                                    SUMCOL_TYPE, type, -1);
 910                 gtk_tree_path_free(dst);
 911                 gtk_drag_finish(context, TRUE, FALSE, time);
 912         }
 913
 914         prefs_summary_column_shown_set_active(FALSE);
 915         prefs_summary_column_stock_set_active(FALSE);
 916
 917         /* XXXX: should we call gtk_drag_finish() for other code paths? */
 918 }
 919
 920 static void prefs_summary_column_shown_set_btn_sensitivity(void)
 921 {
 922         GtkTreeModel *model = GTK_TREE_MODEL(gtk_tree_view_get_model(
 923                 GTK_TREE_VIEW(summary_col.shown_list_view)));
 924         GtkTreeSelection *selection = gtk_tree_view_get_selection(
 925                 GTK_TREE_VIEW(summary_col.shown_list_view));
 926         GtkTreeIter iter;
 927         GtkTreePath *path;
 928
 929         if(!gtk_tree_selection_get_selected(selection, NULL, &iter)) {
 930                 gtk_widget_set_sensitive(summary_col.remove_btn, FALSE);
 931                 gtk_widget_set_sensitive(summary_col.up_btn, FALSE);
 932                 gtk_widget_set_sensitive(summary_col.down_btn, FALSE);
 933                 return;
 934         }
 935
 936         path = gtk_tree_model_get_path(model, &iter);
 937
 938         gtk_widget_set_sensitive(summary_col.up_btn, gtk_tree_path_prev(path));
 939         gtk_widget_set_sensitive(summary_col.down_btn,
 940                                  gtk_tree_model_iter_next(model, &iter));
 941         gtk_tree_path_free(path);
 942 }
 943
 944 static void prefs_summary_column_shown_set_active(const gboolean active)
 945 {
 946         GtkTreeSelection *selection = NULL;
 947
 948         gtk_widget_set_sensitive(summary_col.remove_btn, active);
 949
 950         if(active == FALSE) {
 951                 selection = gtk_tree_view_get_selection(
 952                         GTK_TREE_VIEW(summary_col.shown_list_view));
 953                 gtk_tree_selection_unselect_all(selection);
 954
 955                 gtk_widget_set_sensitive(summary_col.up_btn, FALSE);
 956                 gtk_widget_set_sensitive(summary_col.down_btn, FALSE);
 957         } else {
 958                 prefs_summary_column_shown_set_btn_sensitivity();
 959         }
 960 }
 961
 962 static void prefs_summary_column_stock_set_active(const gboolean active)
 963 {
 964         GtkTreeSelection *selection = NULL;
 965
 966         gtk_widget_set_sensitive(summary_col.add_btn, active);
 967
 968         if(active == FALSE) {
 969                 selection = gtk_tree_view_get_selection(
 970                         GTK_TREE_VIEW(summary_col.stock_list_view));
 971                 gtk_tree_selection_unselect_all(selection);
 972         }
 973 }
 974
 975 static void prefs_summary_column_stock_sel_changed(void)
 976 {
 977         GtkTreeSelection *selection = gtk_tree_view_get_selection(
 978                 GTK_TREE_VIEW(summary_col.stock_list_view));
 979         prefs_summary_column_stock_set_active(
 980                 (selection != NULL) ? TRUE : FALSE);
 981         prefs_summary_column_shown_set_active(
 982                 (selection != NULL) ? FALSE : TRUE);
 983 }
 984
 985 static void prefs_summary_column_shown_sel_changed(void)
 986 {
 987         GtkTreeSelection *selection = gtk_tree_view_get_selection(
 988                 GTK_TREE_VIEW(summary_col.shown_list_view));
 989         prefs_summary_column_shown_set_active(
 990                 (selection != NULL) ? TRUE : FALSE);
 991         prefs_summary_column_stock_set_active(
 992                 (selection != NULL) ? FALSE : TRUE);
 993 }