src/prefs_summary_column.c

   1 /*
   2  * Claws Mail -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2017 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 #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_summary_column.h"
  34 #include "manage_window.h"
  35 #include "summaryview.h"
  36 #include "mainwindow.h"
  37 #include "inc.h"
  38 #include "gtkutils.h"
  39 #include "utils.h"
  40
  41 static void prefs_summary_column_set_config(SummaryColumnState *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 _SummaryColumnDialog
  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 } summary_col;
  75
  76 static const gchar *const col_name[N_SUMMARY_COLS] = {
  77         N_("Mark"),             /* S_COL_MARK    */
  78         N_("Status"),           /* S_COL_STATUS  */
  79         N_("Attachment"),       /* S_COL_MIME    */
  80         N_("Subject"),          /* S_COL_SUBJECT */
  81         N_("From"),             /* S_COL_FROM    */
  82         N_("To"),               /* S_COL_TO      */
  83         N_("Date"),             /* S_COL_DATE    */
  84         N_("Size"),             /* S_COL_SIZE    */
  85         N_("Number"),           /* S_COL_NUMBER  */
  86         N_("Score"),            /* S_COL_SCORE   */
  87         N_("Locked"),           /* S_COL_LOCKED  */
  88         N_("Tags"),             /* S_COL_TAGS  */
  89 };
  90
  91 static SummaryColumnState default_state[N_SUMMARY_COLS] = {
  92         { S_COL_MARK   , TRUE  },
  93         { S_COL_STATUS , TRUE  },
  94         { S_COL_MIME   , TRUE  },
  95         { S_COL_SUBJECT, TRUE  },
  96         { S_COL_FROM   , TRUE  },
  97         { S_COL_TO     , FALSE },
  98         { S_COL_DATE   , TRUE  },
  99         { S_COL_SIZE   , TRUE  },
 100         { S_COL_NUMBER , FALSE },
 101         { S_COL_SCORE  , FALSE },
 102         { S_COL_LOCKED , FALSE },
 103         { S_COL_TAGS   , FALSE },
 104 };
 105
 106 static void prefs_summary_column_create (void);
 107
 108 static void prefs_summary_column_set_dialog     (SummaryColumnState *state);
 109 static void prefs_summary_column_set_view       (void);
 110
 111 /* callback functions */
 112 static void prefs_summary_column_add    (void);
 113 static void prefs_summary_column_remove (void);
 114
 115 static void prefs_summary_column_up     (void);
 116 static void prefs_summary_column_down   (void);
 117
 118 static void prefs_summary_column_set_to_default (void);
 119
 120 static void prefs_summary_column_ok     (void);
 121 static void prefs_summary_column_cancel (void);
 122
 123 static gint prefs_summary_column_delete_event   (GtkWidget      *widget,
 124                                                  GdkEventAny    *event,
 125                                                  gpointer        data);
 126 static gboolean prefs_summary_column_key_pressed(GtkWidget      *widget,
 127                                                  GdkEventKey    *event,
 128                                                  gpointer        data);
 129
 130 static GtkListStore *prefs_summary_column_create_store  (void);
 131
 132 static void prefs_summary_column_insert_column  (GtkListStore *store,
 133                                                  gint row,
 134                                                  const gchar *name,
 135                                                  SummaryColumnType type);
 136
 137 static SummaryColumnType prefs_summary_column_get_column        (GtkWidget *list,
 138                                                                  gint row);
 139
 140 static GtkWidget *prefs_summary_column_list_view_create (const gchar *name);
 141
 142 static void prefs_filtering_create_list_view_columns    (GtkWidget *list_view,
 143                                                          const gchar *name);
 144
 145 static void drag_data_get       (GtkTreeView *tree_view,
 146                                  GdkDragContext *context,
 147                                  GtkSelectionData *data,
 148                                  guint info,
 149                                  guint time,
 150                                  GtkTreeModel *model);
 151
 152 static void drag_data_received  (GtkTreeView *tree_view,
 153                                  GdkDragContext *context,
 154                                  gint x, gint y,
 155                                  GtkSelectionData *data,
 156                                  guint info,
 157                                  guint time,
 158                                  GtkTreeModel *model);
 159
 160 static void prefs_summary_column_shown_set_btn_sensitivity(void);
 161 static void prefs_summary_column_shown_set_active(const gboolean active);
 162 static void prefs_summary_column_stock_set_active(const gboolean active);
 163 static void prefs_summary_column_shown_sel_changed(void);
 164 static void prefs_summary_column_stock_sel_changed(void);
 165
 166 void prefs_summary_column_open(void)
 167 {
 168         inc_lock();
 169
 170         if (!summary_col.window)
 171                 prefs_summary_column_create();
 172
 173         manage_window_set_transient(GTK_WINDOW(summary_col.window));
 174         gtk_widget_grab_focus(summary_col.ok_btn);
 175
 176         prefs_summary_column_set_dialog(NULL);
 177
 178         gtk_widget_show(summary_col.window);
 179         gtk_window_set_modal(GTK_WINDOW(summary_col.window), TRUE);
 180
 181         summary_col.finished = FALSE;
 182         while (summary_col.finished == FALSE)
 183                 gtk_main_iteration();
 184
 185         gtk_widget_hide(summary_col.window);
 186         gtk_window_set_modal(GTK_WINDOW(summary_col.window), FALSE);
 187         inc_unlock();
 188 }
 189
 190 static void prefs_summary_column_create(void)
 191 {
 192         GtkWidget *window;
 193         GtkWidget *vbox;
 194
 195         GtkWidget *label_hbox;
 196         GtkWidget *label;
 197
 198         GtkWidget *vbox1;
 199
 200         GtkWidget *hbox1;
 201         GtkWidget *clist_hbox;
 202         GtkWidget *scrolledwin;
 203         GtkWidget *stock_list_view;
 204         GtkWidget *shown_list_view;
 205
 206         GtkWidget *btn_vbox;
 207         GtkWidget *add_btn;
 208         GtkWidget *remove_btn;
 209         GtkWidget *up_btn;
 210         GtkWidget *down_btn;
 211
 212         GtkWidget *btn_hbox;
 213         GtkWidget *default_btn;
 214         GtkWidget *confirm_area;
 215         GtkWidget *ok_btn;
 216         GtkWidget *cancel_btn;
 217
 218         debug_print("Creating summary column setting window...\n");
 219
 220         window = gtkut_window_new(GTK_WINDOW_TOPLEVEL, "prefs_summary_column");
 221         gtk_container_set_border_width(GTK_CONTAINER(window), 8);
 222         gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
 223         gtk_window_set_resizable(GTK_WINDOW(window), FALSE);
 224         gtk_window_set_title(GTK_WINDOW(window),
 225                              _("Message list columns configuration"));
 226         g_signal_connect(G_OBJECT(window), "delete_event",
 227                          G_CALLBACK(prefs_summary_column_delete_event),
 228                          NULL);
 229         g_signal_connect(G_OBJECT(window), "key_press_event",
 230                          G_CALLBACK(prefs_summary_column_key_pressed),
 231                          NULL);
 232
 233         vbox = gtk_vbox_new(FALSE, 6);
 234         gtk_widget_show(vbox);
 235         gtk_container_add(GTK_CONTAINER(window), vbox);
 236
 237         label_hbox = gtk_hbox_new(FALSE, 0);
 238         gtk_widget_show(label_hbox);
 239         gtk_box_pack_start(GTK_BOX(vbox), label_hbox, FALSE, FALSE, 4);
 240
 241         label = gtk_label_new
 242                 (_("Select columns to be displayed in the message list. You can modify\n"
 243                    "the order by using the Up / Down buttons or by dragging the items."));
 244         gtk_widget_show(label);
 245         gtk_box_pack_start(GTK_BOX(label_hbox), label, FALSE, FALSE, 4);
 246         gtk_label_set_justify(GTK_LABEL(label), GTK_JUSTIFY_LEFT);
 247
 248         vbox1 = gtk_vbox_new(FALSE, VSPACING);
 249         gtk_widget_show(vbox1);
 250         gtk_box_pack_start(GTK_BOX(vbox), vbox1, TRUE, TRUE, 0);
 251         gtk_container_set_border_width(GTK_CONTAINER(vbox1), 2);
 252
 253         hbox1 = gtk_hbox_new(FALSE, 8);
 254         gtk_widget_show(hbox1);
 255         gtk_box_pack_start(GTK_BOX(vbox1), hbox1, FALSE, TRUE, 0);
 256
 257         clist_hbox = gtk_hbox_new(FALSE, 8);
 258         gtk_widget_show(clist_hbox);
 259         gtk_box_pack_start(GTK_BOX(hbox1), clist_hbox, TRUE, TRUE, 0);
 260
 261         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 262         gtk_widget_set_size_request(scrolledwin, 180, 210);
 263         gtk_widget_show(scrolledwin);
 264         gtk_box_pack_start(GTK_BOX(clist_hbox), scrolledwin, TRUE, TRUE, 0);
 265         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
 266                                        GTK_POLICY_AUTOMATIC,
 267                                        GTK_POLICY_AUTOMATIC);
 268         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolledwin),
 269                                            GTK_SHADOW_IN);
 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         remove_btn = gtk_button_new_from_stock(GTK_STOCK_REMOVE);
 292         gtk_widget_show(remove_btn);
 293         gtk_box_pack_start(GTK_BOX(btn_vbox), remove_btn, FALSE, TRUE, 0);
 294
 295         g_signal_connect(G_OBJECT(remove_btn), "clicked",
 296                          G_CALLBACK(prefs_summary_column_remove), NULL);
 297
 298         clist_hbox = gtk_hbox_new(FALSE, 8);
 299         gtk_widget_show(clist_hbox);
 300         gtk_box_pack_start(GTK_BOX(hbox1), clist_hbox, TRUE, TRUE, 0);
 301
 302         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 303         gtk_widget_set_size_request(scrolledwin, 180, 210);
 304         gtk_widget_show(scrolledwin);
 305         gtk_box_pack_start(GTK_BOX(clist_hbox), scrolledwin, TRUE, TRUE, 0);
 306         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
 307                                        GTK_POLICY_AUTOMATIC,
 308                                        GTK_POLICY_AUTOMATIC);
 309         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolledwin),
 310                                            GTK_SHADOW_IN);
 311
 312         shown_list_view = prefs_summary_column_list_view_create
 313                                 (_("Displayed columns"));
 314         g_signal_connect(G_OBJECT(shown_list_view), "cursor-changed",
 315                            G_CALLBACK(prefs_summary_column_shown_sel_changed),
 316                            NULL);
 317         gtk_widget_show(shown_list_view);
 318         gtk_container_add(GTK_CONTAINER(scrolledwin), shown_list_view);
 319
 320         /* up/down button */
 321         btn_vbox = gtk_vbox_new(FALSE, 8);
 322         gtk_widget_show(btn_vbox);
 323         gtk_box_pack_start(GTK_BOX(hbox1), btn_vbox, FALSE, FALSE, 0);
 324
 325         up_btn = gtk_button_new_from_stock(GTK_STOCK_GO_UP);
 326         gtk_widget_show(up_btn);
 327         gtk_box_pack_start(GTK_BOX(btn_vbox), up_btn, FALSE, TRUE, 0);
 328
 329         down_btn = gtk_button_new_from_stock(GTK_STOCK_GO_DOWN);
 330         gtk_widget_show(down_btn);
 331         gtk_box_pack_start(GTK_BOX(btn_vbox), down_btn, FALSE, TRUE, 0);
 332
 333         g_signal_connect(G_OBJECT(up_btn), "clicked",
 334                          G_CALLBACK(prefs_summary_column_up), NULL);
 335         g_signal_connect(G_OBJECT(down_btn), "clicked",
 336                          G_CALLBACK(prefs_summary_column_down), NULL);
 337
 338         btn_hbox = gtk_hbox_new(FALSE, 8);
 339         gtk_widget_show(btn_hbox);
 340         gtk_box_pack_end(GTK_BOX(vbox), btn_hbox, FALSE, FALSE, 0);
 341
 342         btn_vbox = gtk_vbox_new(FALSE, 0);
 343         gtk_widget_show(btn_vbox);
 344         gtk_box_pack_start(GTK_BOX(btn_hbox), btn_vbox, FALSE, FALSE, 0);
 345
 346         default_btn = gtk_button_new_with_label(_(" Use default "));
 347         gtk_widget_show(default_btn);
 348         gtk_box_pack_start(GTK_BOX(btn_vbox), default_btn, TRUE, FALSE, 0);
 349         g_signal_connect(G_OBJECT(default_btn), "clicked",
 350                          G_CALLBACK(prefs_summary_column_set_to_default),
 351                          NULL);
 352
 353         gtkut_stock_button_set_create(&confirm_area,
 354                                       &cancel_btn, GTK_STOCK_CANCEL,
 355                                       &ok_btn, GTK_STOCK_OK,
 356                                       NULL, NULL);
 357         gtk_widget_show(confirm_area);
 358         gtk_box_pack_end(GTK_BOX(btn_hbox), confirm_area, FALSE, FALSE, 0);
 359         gtk_widget_grab_default(ok_btn);
 360
 361         g_signal_connect(G_OBJECT(ok_btn), "clicked",
 362                          G_CALLBACK(prefs_summary_column_ok), NULL);
 363         g_signal_connect(G_OBJECT(cancel_btn), "clicked",
 364                          G_CALLBACK(prefs_summary_column_cancel), NULL);
 365
 366
 367         summary_col.window      = window;
 368         summary_col.add_btn     = add_btn;
 369         summary_col.remove_btn  = remove_btn;
 370         summary_col.up_btn      = up_btn;
 371         summary_col.down_btn    = down_btn;
 372         summary_col.ok_btn      = ok_btn;
 373         summary_col.cancel_btn  = cancel_btn;
 374         summary_col.stock_list_view = stock_list_view;
 375         summary_col.shown_list_view = shown_list_view;
 376
 377         prefs_summary_column_shown_set_active(FALSE);
 378         prefs_summary_column_stock_set_active(FALSE);
 379 }
 380
 381 SummaryColumnState *prefs_summary_column_get_config(void)
 382 {
 383         static SummaryColumnState state[N_SUMMARY_COLS];
 384         SummaryColumnType type;
 385         gint pos;
 386
 387         for (pos = 0; pos < N_SUMMARY_COLS; pos++)
 388                 state[pos].type = -1;
 389
 390         for (type = 0; type < N_SUMMARY_COLS; type++) {
 391                 pos = prefs_common.summary_col_pos[type];
 392                 if (pos < 0 || pos >= N_SUMMARY_COLS ||
 393                     state[pos].type != -1) {
 394                         g_warning("Wrong column position");
 395                         prefs_summary_column_set_config(default_state);
 396                         return default_state;
 397                 }
 398
 399                 state[pos].type = type;
 400                 state[pos].visible = prefs_common.summary_col_visible[type];
 401         }
 402
 403         return state;
 404 }
 405
 406 static void prefs_summary_column_set_config(SummaryColumnState *state)
 407 {
 408         SummaryColumnType type;
 409         gint pos;
 410
 411         for (pos = 0; pos < N_SUMMARY_COLS; pos++) {
 412                 type = state[pos].type;
 413                 prefs_common.summary_col_visible[type] = state[pos].visible;
 414                 prefs_common.summary_col_pos[type] = pos;
 415         }
 416 }
 417
 418 static void prefs_summary_column_set_dialog(SummaryColumnState *state)
 419 {
 420         GtkListStore *stock_store, *shown_store;
 421         gint pos;
 422         SummaryColumnType type;
 423         gchar *name;
 424
 425         stock_store = GTK_LIST_STORE(gtk_tree_view_get_model
 426                         (GTK_TREE_VIEW(summary_col.stock_list_view)));
 427         shown_store = GTK_LIST_STORE(gtk_tree_view_get_model
 428                         (GTK_TREE_VIEW(summary_col.shown_list_view)));
 429
 430         gtk_list_store_clear(stock_store);
 431         gtk_list_store_clear(shown_store);
 432
 433         if (!state)
 434                 state = prefs_summary_column_get_config();
 435
 436         for (pos = 0; pos < N_SUMMARY_COLS; pos++) {
 437                 type = state[pos].type;
 438                 name = gettext(col_name[type]);
 439
 440                 if (state[pos].visible)
 441                         prefs_summary_column_insert_column(shown_store,
 442                                                            -1, name,
 443                                                            type);
 444                 else
 445                         prefs_summary_column_insert_column(stock_store,
 446                                                             -1, name,
 447                                                             type);
 448         }
 449 }
 450
 451 static void prefs_summary_column_set_view(void)
 452 {
 453         gint stock_n_rows, shown_n_rows;
 454         SummaryColumnState state[N_SUMMARY_COLS];
 455         SummaryColumnType type;
 456         gint row, pos = 0;
 457
 458         stock_n_rows = gtk_tree_model_iter_n_children
 459                 (gtk_tree_view_get_model(GTK_TREE_VIEW
 460                         (summary_col.stock_list_view)), NULL);
 461         shown_n_rows = gtk_tree_model_iter_n_children
 462                 (gtk_tree_view_get_model(GTK_TREE_VIEW
 463                         (summary_col.shown_list_view)), NULL);
 464
 465         cm_return_if_fail
 466                 (stock_n_rows + shown_n_rows == N_SUMMARY_COLS);
 467
 468         for (row = 0; row < stock_n_rows; row++) {
 469                 type = prefs_summary_column_get_column
 470                         (summary_col.stock_list_view, row);
 471                 state[row].type = type;
 472                 state[row].visible = FALSE;
 473         }
 474
 475         pos = row;
 476         for (row = 0; row < shown_n_rows; row++) {
 477                 type = prefs_summary_column_get_column
 478                         (summary_col.shown_list_view, row);
 479                 state[pos + row].type = type;
 480                 state[pos + row].visible = TRUE;
 481         }
 482
 483         prefs_summary_column_set_config(state);
 484         main_window_set_summary_column();
 485 }
 486
 487 static void prefs_summary_column_add(void)
 488 {
 489         GtkListStore *stock_store, *shown_store;
 490         GtkTreeIter stock_sel, shown_sel, shown_add;
 491         gboolean shown_sel_valid;
 492         gchar *name;
 493         SummaryColumnType type;
 494
 495         stock_store = GTK_LIST_STORE(gtk_tree_view_get_model
 496                 (GTK_TREE_VIEW(summary_col.stock_list_view)));
 497         shown_store = GTK_LIST_STORE(gtk_tree_view_get_model
 498                 (GTK_TREE_VIEW(summary_col.shown_list_view)));
 499
 500         if (!gtk_tree_selection_get_selected
 501                 (gtk_tree_view_get_selection
 502                         (GTK_TREE_VIEW(summary_col.stock_list_view)),
 503                  NULL,
 504                  &stock_sel))
 505                 return;
 506
 507         shown_sel_valid = gtk_tree_selection_get_selected
 508                 (gtk_tree_view_get_selection
 509                         (GTK_TREE_VIEW(summary_col.shown_list_view)),
 510                  NULL,
 511                  &shown_sel);
 512
 513         gtk_tree_model_get(GTK_TREE_MODEL(stock_store), &stock_sel,
 514                            SUMCOL_TYPE, &type,
 515                            -1);
 516
 517         gtk_list_store_remove(stock_store, &stock_sel);
 518
 519         gtk_list_store_insert_after(shown_store, &shown_add,
 520                                     shown_sel_valid ? &shown_sel : NULL);
 521
 522         name = gettext(col_name[type]);
 523
 524         gtk_list_store_set(shown_store, &shown_add,
 525                            SUMCOL_NAME, name,
 526                            SUMCOL_TYPE, type,
 527                            -1);
 528
 529         gtk_tree_selection_select_iter(gtk_tree_view_get_selection
 530                 (GTK_TREE_VIEW(summary_col.shown_list_view)),
 531                  &shown_add);
 532         prefs_summary_column_shown_set_active(TRUE);
 533         prefs_summary_column_stock_set_active(FALSE);
 534 }
 535
 536 static void prefs_summary_column_remove(void)
 537 {
 538         GtkListStore *stock_store, *shown_store;
 539         GtkTreeIter shown_sel, stock_sel, stock_add;
 540         gboolean stock_sel_valid;
 541         gchar *name;
 542         SummaryColumnType type;
 543
 544         stock_store = GTK_LIST_STORE(gtk_tree_view_get_model
 545                 (GTK_TREE_VIEW(summary_col.stock_list_view)));
 546         shown_store = GTK_LIST_STORE(gtk_tree_view_get_model
 547                 (GTK_TREE_VIEW(summary_col.shown_list_view)));
 548
 549         if (!gtk_tree_selection_get_selected
 550                 (gtk_tree_view_get_selection
 551                         (GTK_TREE_VIEW(summary_col.shown_list_view)),
 552                  NULL,
 553                  &shown_sel))
 554                 return;
 555
 556         stock_sel_valid = gtk_tree_selection_get_selected
 557                 (gtk_tree_view_get_selection
 558                         (GTK_TREE_VIEW(summary_col.stock_list_view)),
 559                  NULL,
 560                  &stock_sel);
 561
 562         gtk_tree_model_get(GTK_TREE_MODEL(shown_store), &shown_sel,
 563                            SUMCOL_TYPE, &type,
 564                            -1);
 565
 566         gtk_list_store_remove(shown_store, &shown_sel);
 567
 568         gtk_list_store_insert_after(stock_store, &stock_add,
 569                                     stock_sel_valid ? &stock_sel : NULL);
 570
 571         name = gettext(col_name[type]);
 572
 573         gtk_list_store_set(stock_store, &stock_add,
 574                            SUMCOL_NAME, name,
 575                            SUMCOL_TYPE, type,
 576                            -1);
 577
 578         gtk_tree_selection_select_iter(gtk_tree_view_get_selection
 579                 (GTK_TREE_VIEW(summary_col.stock_list_view)),
 580                 &stock_add);
 581         prefs_summary_column_shown_set_active(FALSE);
 582         prefs_summary_column_stock_set_active(TRUE);
 583 }
 584
 585 static void prefs_summary_column_up(void)
 586 {
 587         GtkTreePath *prev, *sel;
 588         GtkTreeIter isel;
 589         GtkListStore *shown_store;
 590         GtkTreeIter iprev;
 591
 592         if (!gtk_tree_selection_get_selected
 593                 (gtk_tree_view_get_selection
 594                         (GTK_TREE_VIEW(summary_col.shown_list_view)),
 595                  NULL,
 596                  &isel))
 597                 return;
 598
 599         shown_store = GTK_LIST_STORE(gtk_tree_view_get_model
 600                 (GTK_TREE_VIEW(summary_col.shown_list_view)));
 601
 602         sel = gtk_tree_model_get_path(GTK_TREE_MODEL(shown_store),
 603                                       &isel);
 604         if (!sel)
 605                 return;
 606
 607         prev = gtk_tree_path_copy(sel);
 608         if (!gtk_tree_path_prev(prev)) {
 609                 gtk_tree_path_free(prev);
 610                 gtk_tree_path_free(sel);
 611                 return;
 612         }
 613
 614         gtk_tree_model_get_iter(GTK_TREE_MODEL(shown_store),
 615                                 &iprev, prev);
 616         gtk_tree_path_free(sel);
 617         gtk_tree_path_free(prev);
 618
 619         gtk_list_store_swap(shown_store, &iprev, &isel);
 620         prefs_summary_column_shown_set_btn_sensitivity();
 621 }
 622
 623 static void prefs_summary_column_down(void)
 624 {
 625         GtkListStore *shown_store;
 626         GtkTreeIter next, sel;
 627
 628         if (!gtk_tree_selection_get_selected
 629                 (gtk_tree_view_get_selection
 630                         (GTK_TREE_VIEW(summary_col.shown_list_view)),
 631                  NULL,
 632                  &sel))
 633                 return;
 634
 635         shown_store = GTK_LIST_STORE(gtk_tree_view_get_model
 636                 (GTK_TREE_VIEW(summary_col.shown_list_view)));
 637
 638         next = sel;
 639         if (!gtk_tree_model_iter_next(GTK_TREE_MODEL(shown_store), &next))
 640                 return;
 641
 642         gtk_list_store_swap(shown_store, &next, &sel);
 643         prefs_summary_column_shown_set_btn_sensitivity();
 644 }
 645
 646 static void prefs_summary_column_set_to_default(void)
 647 {
 648         prefs_summary_column_set_dialog(default_state);
 649         prefs_summary_column_shown_set_active(FALSE);
 650         prefs_summary_column_stock_set_active(FALSE);
 651 }
 652
 653 static void prefs_summary_column_ok(void)
 654 {
 655         if (!summary_col.finished) {
 656                 summary_col.finished = TRUE;
 657                 prefs_summary_column_set_view();
 658         }
 659 }
 660
 661 static void prefs_summary_column_cancel(void)
 662 {
 663         summary_col.finished = TRUE;
 664 }
 665
 666 static gint prefs_summary_column_delete_event(GtkWidget *widget,
 667                                               GdkEventAny *event,
 668                                               gpointer data)
 669 {
 670         summary_col.finished = TRUE;
 671         return TRUE;
 672 }
 673
 674 static gboolean prefs_summary_column_key_pressed(GtkWidget *widget,
 675                                                  GdkEventKey *event,
 676                                                  gpointer data)
 677 {
 678         if (event && event->keyval == GDK_KEY_Escape)
 679                 summary_col.finished = TRUE;
 680         return FALSE;
 681 }
 682
 683 static GtkListStore *prefs_summary_column_create_store(void)
 684 {
 685         return gtk_list_store_new(N_SUMCOL_COLUMNS,
 686                                   G_TYPE_STRING,
 687                                   G_TYPE_INT,
 688                                   -1);
 689 }
 690
 691 static void prefs_summary_column_insert_column(GtkListStore *store,
 692                                                gint row,
 693                                                const gchar *name,
 694                                                SummaryColumnType type)
 695 {
 696         GtkTreeIter iter;
 697
 698         if (row >= 0) {
 699                 if (!gtk_tree_model_iter_nth_child(GTK_TREE_MODEL(store),
 700                                                    &iter, NULL, row))
 701                         row = -1;
 702         }
 703         if (row < 0) {
 704                 /* add new */
 705                 gtk_list_store_append(store, &iter);
 706                 gtk_list_store_set(store, &iter,
 707                                    SUMCOL_NAME, name,
 708                                    SUMCOL_TYPE, type,
 709                                    -1);
 710                 return;
 711         } else {
 712                 /* change existing */
 713                 gtk_list_store_set(store, &iter,
 714                                    SUMCOL_NAME, name,
 715                                    SUMCOL_TYPE, type,
 716                                    -1);
 717         }
 718 }
 719
 720 /*!
 721  *\brief        Return the columnn type for a row
 722  */
 723 static SummaryColumnType prefs_summary_column_get_column(GtkWidget *list, gint row)
 724 {
 725         GtkTreeView *list_view = GTK_TREE_VIEW(list);
 726         GtkTreeModel *model = gtk_tree_view_get_model(list_view);
 727         GtkTreeIter iter;
 728         SummaryColumnType result;
 729
 730         if (!gtk_tree_model_iter_nth_child(model, &iter, NULL, row))
 731                 return -1;
 732
 733         gtk_tree_model_get(model, &iter,
 734                            SUMCOL_TYPE, &result,
 735                            -1);
 736
 737         return result;
 738 }
 739
 740 static GtkWidget *prefs_summary_column_list_view_create(const gchar *name)
 741 {
 742         GtkWidget *list_view;
 743         GtkTreeSelection *selector;
 744         GtkTreeModel *model;
 745
 746         model = GTK_TREE_MODEL(prefs_summary_column_create_store());
 747         list_view = gtk_tree_view_new_with_model(model);
 748         g_object_unref(G_OBJECT(model));
 749
 750         gtk_tree_view_set_rules_hint(GTK_TREE_VIEW(list_view),
 751                                      prefs_common.use_stripes_everywhere);
 752
 753         selector = gtk_tree_view_get_selection(GTK_TREE_VIEW(list_view));
 754         gtk_tree_selection_set_mode(selector, GTK_SELECTION_BROWSE);
 755
 756         prefs_filtering_create_list_view_columns(GTK_WIDGET(list_view), name);
 757
 758         gtk_tree_view_enable_model_drag_source(GTK_TREE_VIEW(list_view),
 759                                                GDK_BUTTON1_MASK,
 760                                                row_targets,
 761                                                G_N_ELEMENTS(row_targets),
 762                                                GDK_ACTION_MOVE);
 763
 764         gtk_tree_view_enable_model_drag_dest(GTK_TREE_VIEW(list_view),
 765                                              row_targets,
 766                                              G_N_ELEMENTS(row_targets),
 767                                              GDK_ACTION_MOVE);
 768
 769         g_signal_connect(G_OBJECT(list_view), "drag_data_get",
 770                          G_CALLBACK(drag_data_get),
 771                          model);
 772
 773         g_signal_connect(G_OBJECT(list_view), "drag_data_received",
 774                          G_CALLBACK(drag_data_received),
 775                          model);
 776
 777         return list_view;
 778 }
 779
 780 static void prefs_filtering_create_list_view_columns(GtkWidget *list_view,
 781                                                      const gchar *name)
 782 {
 783         GtkTreeViewColumn *column;
 784         GtkCellRenderer *renderer;
 785
 786         renderer = gtk_cell_renderer_text_new();
 787         column = gtk_tree_view_column_new_with_attributes
 788                 (name, renderer, "text", SUMCOL_NAME, NULL);
 789         gtk_tree_view_append_column(GTK_TREE_VIEW(list_view), column);
 790 }
 791
 792 static void drag_data_get(GtkTreeView *tree_view, GdkDragContext *context,
 793                           GtkSelectionData *data, guint info,
 794                           guint time, GtkTreeModel *model)
 795 {
 796         GtkTreeIter iter;
 797         SummaryColumnType type;
 798         GtkTreeModel *source_model;
 799
 800         if (info != TARGET_INFO_SUMCOL)
 801                 return;
 802
 803         if (!gtk_tree_selection_get_selected
 804                         (gtk_tree_view_get_selection(tree_view),
 805                          &source_model, &iter))
 806                 return;
 807
 808         gtk_tree_model_get(source_model, &iter,
 809                            SUMCOL_TYPE, &type,
 810                            -1);
 811
 812         /* send the type */
 813         gtk_selection_data_set(data, gtk_selection_data_get_target(data), 8,
 814                 (gchar *) &type, sizeof type);
 815 }
 816
 817 static void drag_data_received(GtkTreeView *tree_view, GdkDragContext *context,
 818                                gint x, gint y, GtkSelectionData *data,
 819                                guint info, guint time, GtkTreeModel *model)
 820 {
 821         GtkWidget *source;
 822         GtkTreePath *dst = NULL, *sel = NULL;
 823         GtkTreeIter isel, idst;
 824         GtkTreeViewDropPosition pos;
 825         SummaryColumnType type;
 826         GtkTreeModel *sel_model;
 827         gchar *name;
 828
 829         source = gtk_drag_get_source_widget(context);
 830
 831         if (source == GTK_WIDGET(tree_view)) {
 832
 833                 /*
 834                  * Same widget: re-order
 835                  */
 836
 837                 gtk_tree_selection_get_selected(gtk_tree_view_get_selection(tree_view),
 838                                            NULL, &isel);
 839                 sel = gtk_tree_model_get_path(model, &isel);
 840                 gtk_tree_view_get_dest_row_at_pos(tree_view, x, y,
 841                                                   &dst, &pos);
 842
 843                 /* NOTE: dst is invalid if selection beyond last row, in that
 844                  * case move beyond last one (XXX_move_before(..., NULL)) */
 845
 846                 if (dst)
 847                         gtk_tree_model_get_iter(model, &idst, dst);
 848                 else
 849                         gtk_list_store_move_before(GTK_LIST_STORE(model),
 850                                                    &isel,
 851                                                    NULL);
 852
 853                 /* we do not drag if no valid dst and sel, and when
 854                  * dst and sel are the same (moving after or before
 855                  * itself doesn't change order...) */
 856                 if ((dst && sel) && gtk_tree_path_compare(sel, dst) != 0) {
 857                         if (pos == GTK_TREE_VIEW_DROP_BEFORE
 858                         ||  pos == GTK_TREE_VIEW_DROP_INTO_OR_BEFORE)
 859                                 gtk_list_store_move_before(GTK_LIST_STORE(model),
 860                                                            &isel,
 861                                                            &idst);
 862                         else
 863                                 gtk_list_store_move_after(GTK_LIST_STORE(model),
 864                                                           &isel,
 865                                                           &idst);
 866
 867                 }
 868                 gtk_tree_path_free(dst);
 869                 gtk_tree_path_free(sel);
 870                 gtk_drag_finish(context, TRUE, FALSE, time);
 871
 872         } else if (source == summary_col.stock_list_view
 873         ||         source == summary_col.shown_list_view) {
 874
 875                 /*
 876                  * Other widget: change and update
 877                  */
 878
 879
 880                 /* get source information and remove */
 881                 gtk_tree_selection_get_selected(gtk_tree_view_get_selection(
 882                                                 GTK_TREE_VIEW(source)),
 883                                                 &sel_model, &isel);
 884                 type = *((gint *) gtk_selection_data_get_data(data));
 885                 name = gettext(col_name[type]);
 886                 gtk_list_store_remove(GTK_LIST_STORE(sel_model), &isel);
 887
 888                 /* get insertion position */
 889                 gtk_tree_view_get_dest_row_at_pos(tree_view, x, y, &dst, &pos);
 890
 891                 /* NOTE: dst is invalid if insertion point beyond last row,
 892                  * just append to list in that case (XXX_store_append()) */
 893
 894                 if (dst) {
 895                         gtk_tree_model_get_iter(model, &idst, dst);
 896
 897                         if (pos == GTK_TREE_VIEW_DROP_BEFORE
 898                         ||  pos == GTK_TREE_VIEW_DROP_INTO_OR_BEFORE)
 899                                 gtk_list_store_insert_before(GTK_LIST_STORE(model),
 900                                                              &isel,
 901                                                              &idst);
 902                         else
 903                                 gtk_list_store_insert_after(GTK_LIST_STORE(model),
 904                                                             &isel,
 905                                                             &idst);
 906                 } else
 907                         gtk_list_store_append(GTK_LIST_STORE(model),
 908                                               &isel);
 909
 910                 gtk_list_store_set(GTK_LIST_STORE(model), &isel,
 911                                    SUMCOL_NAME, name,
 912                                    SUMCOL_TYPE, type, -1);
 913                 gtk_tree_path_free(dst);
 914                 gtk_drag_finish(context, TRUE, FALSE, time);
 915         }
 916
 917         prefs_summary_column_shown_set_active(FALSE);
 918         prefs_summary_column_stock_set_active(FALSE);
 919
 920         /* XXXX: should we call gtk_drag_finish() for other code paths? */
 921 }
 922
 923 static void prefs_summary_column_shown_set_btn_sensitivity(void)
 924 {
 925         GtkTreeModel *model = GTK_TREE_MODEL(gtk_tree_view_get_model(
 926                 GTK_TREE_VIEW(summary_col.shown_list_view)));
 927         GtkTreeSelection *selection = gtk_tree_view_get_selection(
 928                 GTK_TREE_VIEW(summary_col.shown_list_view));
 929         GtkTreeIter iter;
 930         GtkTreePath *path;
 931
 932         if(!gtk_tree_selection_get_selected(selection, NULL, &iter)) {
 933                 gtk_widget_set_sensitive(summary_col.remove_btn, FALSE);
 934                 gtk_widget_set_sensitive(summary_col.up_btn, FALSE);
 935                 gtk_widget_set_sensitive(summary_col.down_btn, FALSE);
 936                 return;
 937         }
 938
 939         path = gtk_tree_model_get_path(model, &iter);
 940
 941         gtk_widget_set_sensitive(summary_col.up_btn, gtk_tree_path_prev(path));
 942         gtk_widget_set_sensitive(summary_col.down_btn,
 943                                  gtk_tree_model_iter_next(model, &iter));
 944         gtk_tree_path_free(path);
 945 }
 946
 947 static void prefs_summary_column_shown_set_active(const gboolean active)
 948 {
 949         GtkTreeSelection *selection = NULL;
 950
 951         gtk_widget_set_sensitive(summary_col.remove_btn, active);
 952
 953         if(active == FALSE) {
 954                 selection = gtk_tree_view_get_selection(
 955                         GTK_TREE_VIEW(summary_col.shown_list_view));
 956                 gtk_tree_selection_unselect_all(selection);
 957
 958                 gtk_widget_set_sensitive(summary_col.up_btn, FALSE);
 959                 gtk_widget_set_sensitive(summary_col.down_btn, FALSE);
 960         } else {
 961                 prefs_summary_column_shown_set_btn_sensitivity();
 962         }
 963 }
 964
 965 static void prefs_summary_column_stock_set_active(const gboolean active)
 966 {
 967         GtkTreeSelection *selection = NULL;
 968
 969         gtk_widget_set_sensitive(summary_col.add_btn, active);
 970
 971         if(active == FALSE) {
 972                 selection = gtk_tree_view_get_selection(
 973                         GTK_TREE_VIEW(summary_col.stock_list_view));
 974                 gtk_tree_selection_unselect_all(selection);
 975         }
 976 }
 977
 978 static void prefs_summary_column_stock_sel_changed(void)
 979 {
 980         GtkTreeSelection *selection = gtk_tree_view_get_selection(
 981                 GTK_TREE_VIEW(summary_col.stock_list_view));
 982         prefs_summary_column_stock_set_active(
 983                 (selection != NULL) ? TRUE : FALSE);
 984         prefs_summary_column_shown_set_active(
 985                 (selection != NULL) ? FALSE : TRUE);
 986 }
 987
 988 static void prefs_summary_column_shown_sel_changed(void)
 989 {
 990         GtkTreeSelection *selection = gtk_tree_view_get_selection(
 991                 GTK_TREE_VIEW(summary_col.shown_list_view));
 992         prefs_summary_column_shown_set_active(
 993                 (selection != NULL) ? TRUE : FALSE);
 994         prefs_summary_column_stock_set_active(
 995                 (selection != NULL) ? FALSE : TRUE);
 996 }